CN114650671B

CN114650671B - Printed circuit board production line

Info

Publication number: CN114650671B
Application number: CN202210196949.8A
Authority: CN
Inventors: 叶依林; 向铖; 陈苑明
Original assignee: New Founder Holdings Development Co ltd; Zhuhai Founder Technology Multilayer PCB Co Ltd; Zhuhai Founder PCB Development Co Ltd
Current assignee: New Founder Holdings Development Co ltd; Zhuhai Founder Technology Multilayer PCB Co Ltd; Zhuhai Founder PCB Development Co Ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2025-04-25
Anticipated expiration: 2042-03-01
Also published as: CN114650671A

Abstract

The embodiment of the disclosure relates to the technical field of circuit boards, in particular to a printed circuit board production line for solving the technical problem of low production efficiency of the printed circuit boards in the related art, which comprises a distributing device, a punching device, a stacking device and a pressing device, wherein the distributing device comprises a storage device and a transferring device, the storage device comprises a plurality of storage spaces which are sequentially arranged at intervals in the vertical direction, each storage space is used for storing an inner core board, the transferring device is used for conveying the inner core boards in the storage spaces to the punching device according to a preset sequence, the punching device is used for sequentially punching the inner core boards, the stacking device is used for sequentially stacking the inner core boards output by the punching device, and the pressing device is used for pressing the inner core boards stacked by the stacking device together, so that the inner core boards are not required to be ordered manually, and the technical problem of the production efficiency of the printed circuit boards in the related art is effectively solved.

Description

Printed circuit board production line

Technical Field

The embodiment of the disclosure belongs to the technical field of circuit boards, and particularly relates to a printed circuit board production line.

Background

Multilayer circuit boards have been widely used in various electronic devices because of their advantages such as higher wiring density and smaller volume. In the related art, during manufacturing, a punching device is generally used to punch holes on each inner core board, then each inner core board is stacked together, and then pressing is performed to form the multi-layer circuit board.

However, the circuit images on each inner core board may be different, and thus the inner core boards are typically stacked together in a specific order by manual means, resulting in a lower production efficiency of the multi-layered circuit board.

Disclosure of Invention

The embodiment of the disclosure provides a printed circuit board production line for solving the technical problem of low production efficiency of printed circuit boards in related technologies.

The solution for solving the technical problems in the embodiment of the disclosure is as follows:

a printed circuit board production line comprises a cost distribution device, a punching device, a stacking device and a pressing device which are sequentially arranged along the production direction;

The distribution equipment comprises storage equipment and transfer equipment, wherein the storage equipment comprises a plurality of storage spaces which are sequentially arranged at intervals along the vertical direction, each storage space is used for storing an inner core plate, and the transfer equipment is used for conveying the inner core plates in the storage spaces to the punching equipment according to a preset sequence;

The stacking device is used for sequentially stacking the inner core plates output by the punching device, and the pressing device is used for pressing the inner core plates stacked by the stacking device together.

The method has the advantages that the equipment comprises the storage equipment and the transfer equipment, wherein the storage equipment is used for storing different types of inner core boards, the transfer equipment conveys the different types of inner core boards to the punching equipment according to the preset sequence, the punching equipment conveys the inner core boards to the stacking equipment according to the sequence, the stacking equipment only needs to stack the inner core boards in sequence, so that a plurality of inner core boards can be stacked together according to the preset sequence and conveyed to the laminating equipment, and the inner core boards conveyed to the laminating equipment are arranged according to the preset sequence at the moment, so that the inner core boards are not required to be ordered manually, the production efficiency of a printed circuit board is effectively improved, and the technical problem of the production efficiency of the printed circuit board in the related technology is solved.

On the basis of the technical scheme, the embodiment of the disclosure can be further improved as follows.

In one possible implementation, the transfer device includes a first robot for gripping the inner core sheet in the storage space to a conveying device for conveying the inner core sheet to the punching device.

In one possible implementation manner, the tail end of the first manipulator is provided with a sucker which is used for sucking the inner core board, the conveying equipment comprises a plurality of conveying shafts and conveying motors which are sequentially arranged at intervals along the production direction, each conveying shaft is provided with a plurality of conveying rollers at intervals along the axis direction, and the conveying motors are in transmission connection with each conveying shaft.

In one possible implementation manner, the storage device comprises a frame body and a plurality of partition boards, wherein the frame body is provided with a containing cavity, the plurality of partition boards are arranged in the containing cavity in parallel and at intervals, and divide the containing cavity into a plurality of storage spaces;

The transfer device further comprises a lifting device and a pulling device arranged on the lifting device, wherein the lifting device is used for driving the pulling device to lift so that the pulling device is aligned with the partition board, and the pulling device is used for pulling out the partition board from the accommodating cavity.

In one possible implementation, the printed circuit board production line further includes a browning device disposed between the punching device and the stacking device, the browning device being configured to perform a browning process on the inner core board.

In one possible implementation manner, the browning equipment comprises a medicine cylinder, a browning moving device, a detecting device and a medicine adding device, wherein the browning moving device is used for driving the inner core plate to move in the medicine cylinder, the detecting device is arranged at a feeding end of the medicine cylinder and used for detecting the number of the inner core plates entering the medicine cylinder, the medicine adding device is connected with the detecting device, and the medicine adding device is used for adding medicine liquid into the medicine cylinder according to the number of the inner core plates entering the medicine cylinder.

In one possible implementation manner, the medicine adding device comprises a controller, a medicine storage cylinder, a delivery pump, a detection cylinder and a control valve, wherein the medicine storage cylinder is communicated with the detection cylinder through the delivery pump, a liquid level meter is arranged in the detection cylinder, the detection cylinder is communicated with the medicine cylinder through the control valve, the controller is electrically connected with the delivery pump, the liquid level meter, the control valve and the detection device, and the controller is used for controlling the delivery pump to stop working and controlling the control valve to be opened when the liquid level meter detects that the liquid medicine in the detection cylinder reaches a set quantity.

In one possible implementation manner, the punching device further comprises an air blowing device, wherein the air blowing device is located at a discharge end of the punching device and is used for blowing air onto the inner core plate after punching, and a preset included angle is formed between the air blowing direction and the inner core plate and is opposite to the production direction.

In one possible implementation, the punching device comprises a mounting plate, wherein a plurality of punching needles are arranged on the mounting plate and used for punching the inner core plate.

In one possible implementation, the preset angle is 30-60 °.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained from the structures shown in the drawings without inventive effort to those of ordinary skill in the art.

Fig. 1 is a schematic diagram of a partial structure of a printed circuit board production line according to an embodiment of the present disclosure;

Fig. 2 is a top view of a dispensing apparatus provided by an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a memory device according to an embodiment of the present disclosure;

FIG. 4 is a right side view of a memory device provided by an embodiment of the present disclosure;

Fig. 5 is a schematic structural diagram of a first manipulator according to an embodiment of the disclosure;

Fig. 6 is a schematic structural diagram of a second manipulator according to an embodiment of the present disclosure;

FIG. 7 is a top view of a punching apparatus provided by an embodiment of the present disclosure;

FIG. 8 is a top view of a browning apparatus provided by an embodiment of the disclosure;

FIG. 9 is a schematic structural view of a drug delivery device provided in an embodiment of the present disclosure;

fig. 10 is a top view of a stacking apparatus provided by an embodiment of the present disclosure.

In the drawings, the list of components represented by the various numbers is as follows:

100. a cost distribution device;

110. storage device 111, first support plate 112, second support plate 113, third support plate 114, partition plate 115, handle 116, storage space;

120. The device comprises a first manipulator, 121, a mechanical arm, 122, a mounting plate, 123 and a sucker;

130. Conveying equipment, 131, a first supporting table, 132, a second supporting table, 133, a conveying shaft, 134 and conveying rollers;

140. Lifting equipment;

150. pulling equipment, 151, a second air cylinder, 152, a second mechanical arm, 1521, a first claw, 1522, a first clamping groove, 1523, a second claw, 1524 and a second clamping groove;

200. punching equipment;

210. 220, a second punching conveying table;

300. a browning device;

310. a mobile device;

320. The chemical water tank, 321, an acidic chemical water tank, 322, a first water tank, 323, an alkaline chemical water tank, 324, a second water tank, 325, a pre-cleaning tank, 326, a browning tank, 327, a third water tank, 328, and a pure water tank;

330. An oven;

340. The medicine adding device comprises a medicine adding table 341, a medicine storing cylinder 342, a conveying pump 343, a detecting cylinder 344, a control valve 345;

400. Stacking equipment;

410. and 420, stacking the carrying platform.

Detailed Description

In view of this, the embodiment of the disclosure provides a printed circuit board production line, through setting gradually along the direction of production and joining in marriage this equipment, punching equipment, stacking equipment and lamination equipment, and joining in marriage this equipment includes storage device and transfer equipment, storage device is used for depositing different types of inlayer core boards, transfer equipment transports different types of inlayer core boards to punching equipment department according to the order of predetermineeing, punching equipment transports inlayer core boards to stacking equipment department according to the order of predetermineeing in proper order, stacking equipment only need pile up inlayer core boards in proper order, just can pile up a plurality of inlayer core boards according to the order of predetermineeing together and transport to lamination equipment department, the inlayer core boards that transport to lamination equipment department at this moment are arranged according to the order of predetermineeing, thereby need not the manual work to order inlayer core boards, thereby the effectual production efficiency who improves printed circuit board production inefficiency among the related art.

In order to make the above objects, features and advantages of the embodiments of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present disclosure. Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of the present disclosure.

Referring to fig. 1 to 10, the disclosed embodiment discloses a printed circuit board production line including a dispensing apparatus 100, a punching apparatus 200, a stacking apparatus 400, and a pressing apparatus, which are sequentially disposed along a production direction.

The configuration device 100 includes a storage device 110, and a transfer device, where the storage device 110 includes a plurality of storage spaces 116 sequentially spaced apart in a vertical direction, and each storage space 116 is used for storing a class of inner core boards.

Illustratively, the present apparatus 100 may include a present frame including a first support beam and a second support beam that are disposed opposite to each other, the first support beam and the second support beam are disposed vertically, and a first cross beam is disposed between the first support beam and the second support beam, one end of the first cross beam is connected with the first support beam, the other end thereof is connected with the second support beam, and an open space is provided below the first cross beam, which may be used to place the storage apparatus 110, thereby effectively reducing a space occupation volume of the present apparatus 100.

Illustratively, the storage device 110 may include a frame body, which may include a first support plate 111, a second support plate 112, and a third support plate 113 connected in sequence, the first support plate 111 and the second support plate 112 being opposite and vertically disposed, the third support plate 113 being disposed between the first support plate 111 and the second support plate 112 in a horizontal direction, and one end of the third support plate 113 being connected to a bottom of the first support plate 111 and the other end being connected to a bottom of the second support plate 112, whereby the first support plate 111, the second support plate 112, and the third support plate 113 are connected to define a receiving cavity. The accommodating cavity may be provided with a plurality of partitions 114, and the partitions 114 are arranged in parallel and at intervals along the vertical direction so as to divide the accommodating cavity into a plurality of storage spaces, that is, the accommodating space is divided into a plurality of storage spaces 116 along the horizontal direction by the partitions 114, and the inner core board may be placed in the storage spaces 116 and located on the partitions.

Further, each storage space is used for storing one type of inner core boards, wherein one type of inner core boards can be inner core boards with the same positions in the printed circuit board, so that classified storage of different types of inner core boards is realized, namely, the inner core boards with the same positions in the printed circuit board are placed in the same storage space. Of course, the present embodiment is not limited thereto, and in some implementations, the inner core boards with identical circuit patterns may be placed in the same storage space, or classified storage of the inner core boards may be implemented.

The transfer device is used for conveying the inner core boards in the storage spaces 116 to the punching device 200 in a preset sequence, and illustratively, the transfer device may include a moving arm, one end of which may be slidably disposed on the first beam, and the other end of which is provided with a clamping jaw for clamping the inner core boards. Meanwhile, the moving arm may have a certain length, that is, the moving arm can extend from the first beam to the punching apparatus 200. Thus, when the inner core boards are required to be conveyed to the punching apparatus 200 in a preset order, the moving arm may slide to the corresponding inner core boards along the first beam, and hold the inner core boards by the clamping jaws, and then sequentially convey the inner core boards to the punching apparatus 200 by the moving arm. Illustratively, a slide may be provided on the first beam, and the slide extends from one end of the first beam to the other end along a length direction of the first beam, and a slider may be provided on the moving arm, and the slider is slidably provided on the slide of the first beam, so that the moving arm can slide along the first beam.

The punching device 200 is used for punching the inner core plate, and illustratively, the punching device 200 can be a OPE (OPTILINE PE) machine for punching, the OPE punching machine can punch a plurality of positioning holes at one time, and the expansion and contraction difference of the inner core plate can compensate the punching, so that the advantage of high punching precision is achieved. The inner core plate is provided with a positioning cursor point and a positioning PAD (the positioning PAD is a bonding PAD and is a part of a printed circuit board and a component pin which are welded mutually), the positioning cursor point is arranged on the plate edge of the inner core plate, the positioning cursor point is used for positioning by an OPE punching machine, namely, after the positioning cursor point is identified by X-RAY (X-RAY), a plurality of positioning PADs are punched at one time.

Illustratively, the punching apparatus 200 includes a punching support frame, which may include a second cross beam and third and fourth oppositely disposed support beams, a first punching transfer table 210. The third supporting beam and the fourth supporting beam are vertically arranged, one end of the second cross beam is connected with the third supporting beam, and the other end of the second cross beam is connected with the fourth supporting beam. The second cross beam can be provided with a telescopic cylinder, the central line of the telescopic cylinder is vertically arranged, the telescopic cylinder is connected with a punching needle, and the punching needle can realize punching of the inner core plate under the driving of the telescopic cylinder.

In addition, one end of the first punching transfer table 210 is disposed next to the joining apparatus 100, the other end of the first punching transfer table 210 extends between the third support beam and the fourth support beam, and the first punching transfer table 210 is located below the third support beam, that is, the first punching transfer table 210 is located below the punching needle, so that the inner core plate can be conveyed below the punching needle, and punching for the inner core plate is achieved.

It should be noted that the first punching conveyor 210 may have a conveyor belt or a conveyor belt thereon, and the inner core plate is transferred under the punching pins by the conveyor belt or the conveyor belt to perform punching.

The stacking apparatus 400 is provided at one side of the punching apparatus 200 for sequentially stacking the inner core sheets fed out by the punching apparatus 200 together. Illustratively, the stacking apparatus 400 may include a stacking transfer table 410, a third robot, and a stacking stage 420, one end of the stacking transfer table 410 being connected to the discharge end of the punching apparatus 200, and the other end thereof extending to the stacking stage 420 along the production direction. Meanwhile, the third manipulator may be disposed at an end of the first stacking and conveying table 410 near the stacking and conveying table 410, so that the third manipulator stacks the inner core boards onto the stacking and bearing table 420 from bottom to top in sequence. By adopting the structure, a plurality of inner core boards can be stacked together according to the preset sequence, automation of board collecting is realized, the requirement of factories on manpower is reduced, labor cost is reduced, meanwhile, the work of carrying the inner core boards between work stations is reduced, the risk of poor wiping of the inner core boards is reduced, and the quality rate are improved.

The lamination device may be disposed on one side of the stacking device 400, and a lamination transfer table may be disposed between the stacking device 400 and the lamination device, where the lamination transfer table may be used to transfer the inner core board on the stacking bearing table 420 to the lamination device. A handling robot may be disposed between the laminating apparatus and the stacking apparatus 400, and the stacked inner core boards may be handled to the laminating apparatus by the handling robot. When the stacked inner core plates are conveyed to the pressing equipment, the stacked inner core plates are only required to be sequentially placed into the pressing equipment from top to bottom by a worker, and are pressed together through the pressing equipment, so that a plurality of inner core plates do not need to be rearranged manually at the working procedure, and meanwhile, the inner core plates are stacked together, so that the occupied space is small, and a large amount of labor and a large working space are avoided.

In addition, the pressing device may include a hot melting and riveting device, which is a device commonly used in a printed circuit board, and will not be described herein.

According to the printed circuit board production line provided by the embodiment, the equipment 100, the punching equipment 200, the stacking equipment 400 and the pressing equipment are sequentially arranged along the direction of the production line, the equipment 100 comprises the storage equipment 110 and the transfer equipment, a plurality of storage spaces 116 are arranged on the storage equipment 110, each storage space 116 is used for accommodating one type of inner core boards, the inner core boards on the storage equipment 110 can be conveyed to the punching equipment 200 according to the preset sequence through the transfer equipment, the punching equipment 200 sequentially punches the inner core boards and sequentially conveys the inner core boards to the stacking equipment 400 according to the sequence, the stacking equipment 400 sequentially stacks the inner core boards from bottom to top according to the sequence and conveys the stacked inner core boards to the pressing equipment, and the inner core boards conveyed to the pressing equipment at the moment are arranged according to the preset sequence, so that the inner core boards are not required to be ordered manually, the production efficiency of the printed circuit board is effectively improved, and the technical problem of the production efficiency of the printed circuit board in the related art is solved.

With continued reference to fig. 3, the storage device 110 includes a frame body and a plurality of partition plates 114, the frame body has a receiving cavity, the plurality of partition plates 114 are disposed in the receiving cavity in parallel and spaced apart, the plurality of partition plates 114 divide the receiving cavity into a plurality of storage spaces 116, and the partition plates 114 are slidably connected with the frame body.

Illustratively, the frame body includes a first support plate 111, a second support plate 112 and a third support plate 113 that are sequentially connected, and the first support plate 111, the second support plate 112 and the third support plate 113 are all vertically disposed, so that the above-mentioned accommodating cavity is formed between the first support plate 111, the second support plate 112 and the third support plate 113. Meanwhile, a plurality of partitions 114, for example, four or six partitions 114, are disposed in the accommodating cavity, and the number of partitions 114 can be set according to actual needs. The plurality of partition plates 114 are horizontally arranged in the accommodating cavity, and a certain space is formed between the adjacent partition plates 114 along the vertical direction, and the space forms a storage space 116, so that the accommodating cavity is divided into a plurality of storage spaces 116 along the vertical direction by arranging the plurality of partition plates 114, so that inner core plates of various different types can be placed in the accommodating cavity, and the inner core plates can be placed on the storage device 110 according to a certain preset sequence.

In some embodiments, a first slide way is disposed on the first support plate 111 and the first slide way is disposed along a horizontal direction, and a second slide way is disposed on the second support plate 112 and the first slide way and the second slide way are disposed opposite to each other, wherein one end of the partition 114 is slidably disposed on the first slide way, and the other end of the partition 114 is slidably disposed on the second slide way, so as to realize a sliding connection between the partition 114 and the frame body. In addition, the number of the first slide ways and the number of the second slide ways are the same, that is, the number of the first slide ways and the number of the second slide ways are respectively consistent with the number of the partition boards 114, so that each partition board 114 can be slidably arranged on the frame body, and the partition boards 114 can be conveniently pulled out of the accommodating cavity or pushed into the accommodating cavity under the action of external force.

As shown in fig. 4, for example, a handle 115 is provided on an end surface of the partition 114 facing the production direction, and the handle 115 may have a ring-shaped structure, be integrally formed with the partition 114, or be fixedly connected to the partition 114 by welding.

In addition, the heights of the first, second and third support plates 111, 112 and 113 may be set to be lower than the height of the open space below the cross beam in the frame, thereby enabling the rack to be placed in the open space, thereby reducing the space occupation volume of the storage device 110.

In some embodiments, rolling wheels are disposed on bottom end surfaces of the first support plate 111 and the second support plate 112, and the number of rolling wheels may be one or more, and by providing the rolling wheels, it is convenient for a worker to exchange the position of the storage device 110, so that the storage device 110 can be adjusted to a desired position.

In addition, the number of the storage devices 110 may be plural, and the plural storage devices 110 may be disposed side by side in an open space below the beam in the present frame, or may be capable of placing inner core boards of more kinds, so that the present device 100 may be suitable for use in a production line of circuit boards with more layers.

The transfer apparatus may include a first robot 120 and a conveying apparatus 130, and the first robot 120 is used to grasp the inner core sheet in the storage space 116 to the conveying apparatus 130, and the conveying apparatus 130 is used to convey the inner core sheet to the punching apparatus 200.

Illustratively, as shown in fig. 5, the end of the first robot 120 is provided with a suction cup 123, and the suction cup 123 is used to suck the inner core board. It will be understood that the first manipulator 120 may include a mechanical arm 121, where one end of the mechanical arm 121 is slidably disposed on the first beam and can slide back and forth along the length direction of the first beam, and the other end of the mechanical arm is provided with a mounting plate 122, and a suction cup 123 is disposed on the mounting plate 122. Wherein, arm 121 can include first minute arm and second minute arm, and the one end slip of first minute arm sets up on the first crossbeam of joining in marriage this frame, and first minute arm can rotate around first crossbeam, and the other end and the second minute arm of first minute arm rotate simultaneously are connected, can make arm 121 can carry out bending motion from this to be convenient for snatch the inlayer core.

In addition, the size of mounting panel 122 can cooperate with the size of inlayer core board, and the size of mounting panel 122 can be close with the size of inlayer core board promptly, is provided with a plurality of sucking discs 123 on the mounting panel 122 simultaneously, and a plurality of sucking discs 123 evenly set up on mounting panel 122, through setting up the size of mounting panel 122 to be close with the size of inlayer core board, and evenly distribute full sucking discs 123 on the mounting panel 122 for first manipulator 120 can be stable adsorb the inlayer core board, and transport the new board stable of inlayer to conveying equipment 130 department.

The conveying apparatus 130 may include a plurality of conveying shafts 133 disposed at intervals in the production direction in sequence, and a conveying motor, each of which conveying shafts 133 is provided with a plurality of conveying rollers 134 disposed at intervals in the axial direction thereof, and the conveying motor is drivingly connected to each of the conveying shafts 133.

Illustratively, the conveying apparatus 130 may be disposed between the frame and the punching apparatus 200, and may include a first support table 131 and a second support table 132 disposed opposite to and at intervals, and each of the first support table 131 and the second support table 132 extends from the frame to the punching apparatus 200. Meanwhile, a plurality of conveying shafts 133 are provided between the first support table 131 and the second support table 132, and the plurality of conveying shafts 133 are sequentially disposed at intervals in the production direction. That is, one end of each of the conveying shafts 133 is fixedly connected to the first support table 131, the other end thereof is fixedly connected to the second support table 132, and the length dimension of each of the conveying shafts 133 is greater than the length and width dimensions of the inner core plate, so that the inner core plate can be placed on the conveying shaft 133. In addition, the conveying motor may be disposed on the first support table 131 or the second support table 132, and a power output end of the conveying motor may be connected with a driving chain, the driving chain extends along a length direction of the first support table 131 or the second support table 132, and the driving chain is connected with each conveying shaft 133, so that each conveying shaft 133 can rotate along with the motor, thereby driving the inner core board to move toward the punching device 200.

Illustratively, the conveying roller 134 may be in the shape of a roller, and the conveying roller 134 may be made of plastic having excellent wear resistance, corrosion resistance, and the like. The plurality of conveying rollers 134 are arranged on the conveying shaft 133, so that the movement resistance of the inner core plate can be reduced, the abrasion of the inner core plate in the conveying process can be reduced, and a certain protection effect is achieved on the inner core plate.

In some embodiments, the transfer device further comprises a lifting device 140 and a pulling device 150 disposed on the lifting device 140, wherein the lifting device 140 is configured to drive the pulling device 150 up and down to align the pulling device 150 with the partition 114, and the pulling device 150 is configured to pull the partition 114 out of the receiving cavity.

Illustratively, the lifting device 140 may include a lifting frame and a first cylinder, the first cylinder being connected to the lifting frame, and the lifting frame being disposed corresponding to the storage device 110. The lifting frame can comprise a first rod body, a second rod body, a third rod body and a fourth rod body, wherein the four rod bodies are sequentially connected to form a frame, the first rod body and the second rod body are parallel and oppositely arranged, the third rod body and the fourth rod body are parallel and oppositely arranged, and the length extension directions of the first rod body and the second rod body are the same as the production direction.

Meanwhile, the connecting beam is arranged on the frame, one end of the connecting beam is fixedly connected with the third rod body, and the other end of the connecting beam is fixedly connected with the fourth rod body, so that the connecting beam is fixedly arranged on the frame, and the connecting beam can be arranged at the middle position of the frame.

The first cylinder can be arranged below the lifting frame, and the driving end of the first cylinder is connected with the connecting beam, so that the connecting beam can move up and down along with the first cylinder along the vertical direction. Meanwhile, the connecting beam is connected with the frame, so that the frame can move up and down along the vertical direction. And, because the tie-beam sets up in the intermediate position of frame to make the frame can be more stable along vertical direction reciprocates.

In some embodiments, the first rod body is provided with a plurality of first rolling shafts towards one side of the second rod body, and the plurality of first rolling shafts are sequentially arranged along the length direction of the first rod body, and the second rod body is also provided with a plurality of second rolling shafts towards one side of the first rod body, and the plurality of second rolling shafts are sequentially arranged along the length direction of the second rod body. In addition, the first rolling shaft and the second rolling shaft are located on the same horizontal plane, the horizontal plane of the first rolling shaft and the second rolling shaft is higher than the horizontal plane of the connecting beam, and the horizontal plane can be corresponding to the corresponding partition 114.

The pulling device 150 is disposed on a lift, which may be disposed at an end of the lift remote from the storage device 110.

For example, the pulling device 150 may include a second cylinder 151 and a second manipulator 152, the second cylinder 151 is disposed at an end of the lifting frame far away from the storage device 110, and a driving end of the second cylinder 151 is connected with the second manipulator 152, and the second cylinder 151 can drive the second manipulator 152 to move in a horizontal direction, that is, the second manipulator 152 can move to the storage device 110 under the action of the second cylinder 151. And, the structure of second manipulator 152 cooperatees with the structure of handle 115 on the baffle 114 for the second manipulator 152 can pull handle 115, pulls out the holding chamber with the one end of baffle 114, and this tip of baffle 114 is pulled to the crane by holding chamber department on, and the one side of baffle 114 meets the first roll axis on the first body of rod, and the second roll axis that its another side meets on the second body of rod, under the effect of first roll axis and second roll axis, can effectually reduce the motion resistance of baffle 114, makes baffle 114 can more smoothly be pulled.

As illustrated in fig. 6, the second manipulator 152 may include a connection plate, an electromagnet, a first claw 1521 and a second claw 1523, the connection plate is connected to the driving end of the second cylinder 151, the electromagnet is disposed on the connection plate, the first claw 1521 and the second claw 1523 are movably disposed on the connection plate, and the first claw 1521 and the second claw 1523 are connected to the electromagnet. Meanwhile, the first jaw 1521 and the second jaw 1523 are disposed opposite to each other, the first jaw 1521 and the second jaw 1523 may be rod-shaped, a first clamping groove 1522 is disposed on a side of the first jaw 1521 facing the second jaw 1523, an opening of the first clamping groove 1522 faces the second jaw 1523, a second clamping groove 1524 is disposed on a side of the second jaw 1523 facing the first jaw 1521, and an opening of the second clamping groove 1524 is disposed opposite to an opening of the first clamping groove 1522. Since the first and second pawls 1521, 1523 are connected to the electromagnet, the first and second pawls 1521, 1523 can be moved in directions toward and away from each other by controlling the electromagnet. That is, when the second machine needs to pull the handle 115 on the partition 114, the electromagnet is controlled to move the first pawl 1521 and the second pawl 1523 toward a direction approaching the handle 115 until the first slot 1522 is clamped in one side of the handle 115 and the second slot 1524 is clamped in the other side of the handle 115, that is, the handle 115 is clamped between the first slot 1522 and the second slot 1524, so that the second manipulator 152 can clamp the handle 115, and when the partition 114 is pushed into the accommodating cavity, the electromagnet is controlled to move the first pawl 1521 and the second pawl 1523 toward a direction separating from the handle 115, that is, to release the handle 115. Thus, the partition 114 can be pulled out or pushed into the accommodation chamber by providing the above structure.

In this embodiment, two storage devices 110 are respectively disposed at two ends of the open space, each storage device 110 is correspondingly provided with a first manipulator 120, a lifting device 140 and a pulling device 150, and the conveying device 130 may be one, that is, the conveying device 130 may be disposed between the two lifting devices 140.

In summary, the above conveying device 130 and the transferring device can be operated by moving the lifting frame to the level of the corresponding partition 114 under the driving of the first cylinder, then moving the second manipulator 152 to the partition 114 under the driving of the second cylinder 151, and controlling the electromagnet to move the first claw 1521 and the second claw 1523 towards the direction close to the handle 115 on the partition 114 until the handle 115 is clamped between the first clamping groove 1522 and the second clamping groove 1524, at this time, the second manipulator 152 clamps the handle 115, and then pulling the partition 114 out of the corresponding storage space 116 by the second manipulator 152 under the driving of the second cylinder 151. At this time, the inner core plate on the partition 114 is also pulled out along with the partition 114, and the first robot 120 moves above the inner core plate, and sucks and conveys the inner core plate onto the conveying apparatus 130 through the suction cup 123, and conveys the inner core plate to the punching apparatus 200 through the conveying apparatus 130. The second robot 152 then pushes the partition 114 into the receiving cavity of the storage device 110, and the solenoid valve controls the first and second pawls 1521 and 1523 to move in a direction away from the handle 115, i.e., unclamp the handle 115, thereby completing a type of inner core plate transfer. Then, the height of the lifting frame is adjusted by the first cylinder, so that the second manipulator 152 can be aligned with the next partition 114, the second manipulator 152 is pushed to the position of the handle 115 of the partition 114 again by the second cylinder 151, the second manipulator 152 pulls the handle 115 to pull the partition 114 to the lifting frame, then the first manipulator 120 acts to convey the inner core boards on the partition 114 to the conveying device 130, and the inner core boards reciprocate until all the inner core boards are conveyed to the conveying device 130 according to the preset sequence.

Illustratively, the punching apparatus 200 may include a mounting plate having a plurality of punching pins thereon for punching the inner core plate.

In this embodiment, the mounting plate 122 is disposed at the driving end of the telescopic cylinder, and a plurality of punching pins are disposed on the mounting plate, and the positions of the plurality of punching pins can be designed according to the positions of the required punching holes on the inner core plate, and 6-12 PAD positioning holes, for example, 6, 8 or 12 holes, are generally designed on the inner core plate, so that the punching device 200 can complete the punching of the plurality of positioning holes on the inner core plate at one time. Therefore, the phenomenon that the PAD positioning holes on the same inner core plate cannot be punched at one time in the related technology is avoided, and offset is generated between different positioning holes of the same inner core plate.

In some embodiments, the punching apparatus 200 may further include an air blowing apparatus, where the air blowing apparatus is located at the discharge end of the punching apparatus 200, and the air blowing apparatus is used to blow air onto the punched inner core plate, and the air blowing direction is opposite to the production direction with a preset included angle between the inner core plate and the air blowing direction, and the preset included angle may be set to 30-60 °, for example, 30 °, 45 °, or 60 °. The air blowing equipment can be an air knife, and scraps after punching of the inner core plate can be blown to a direction far away from the production direction by the arrangement of the structure, so that the scraps are prevented from being brought into the next working procedure.

In some embodiments, the punching apparatus 200 may further include a second punching transfer stage 220, where the second punching transfer stage 220 is disposed at a discharge end of the punching apparatus 200, for transferring the punched inner core sheet to a next process.

In some embodiments, a browning apparatus 300 is further disposed between the punching apparatus 200 and the stacking apparatus 400, and the browning apparatus 300 is used to perform a browning process on the inner core board.

It should be noted that, browning is an important step in the manufacturing process of the printed circuit board, and mainly includes reacting the inner core board with a browning liquid, and microetching the copper surface of the inner core board with the liquid, so as to increase the roughness of the copper surface of the inner core board, and to enhance the bonding force between the inner core board and the PP sheet (prepreg).

Illustratively, the browning apparatus 300 includes a drug cylinder, a browning moving device 310, a detecting device and a dosing device 340, wherein the browning moving device 310 is used for driving the inner core plate to move in the drug cylinder, the detecting device is arranged at a feeding end of the drug cylinder and is used for detecting the number of the inner core plates entering the drug cylinder, and the dosing device 340 is connected with the detecting device so that the dosing device 340 can dose the drug liquid into the drug cylinder according to the number of the inner core plates entering the drug cylinder.

As shown in fig. 8, the medicine tank may include an acidic medicine tank 321, a first water tank 322, an alkaline medicine tank 323, a second water tank 324, a pre-cleaning tank 325, a browning tank 326, a third water tank 327, and a pure water tank 328 which are sequentially arranged along the direction of the production line, wherein the acidic medicine tank 321 and the alkaline medicine tank 323 are used for removing oil stains and impurities on the surface of the inner core plate, the pre-cleaning tank 325 is used for improving the activity of copper plates on the surface of the inner core plate, and the browning tank 326 is used for microetching the copper plates on the surface of the inner core plate, so as to increase the roughness of the copper surface. The first water washing jar 322 is used for removing acidic liquid medicine on the inner core plate, the second water washing jar 324 is used for removing alkaline liquid medicine on the inner core plate, the third water washing jar 327 is used for removing brown chemical medicine on the surface of the inner core plate, and the pure water jar 328 is used for removing tap water on the surface of the inner core plate, so that ions in the tap water are prevented from affecting the inner core plate.

In addition, one end of the browning moving means 310 is disposed adjacent to the second punching transfer stage 220 of the punching apparatus 200, and the other end thereof sequentially passes through the acidic water tank 321, the first water tank 322, the alkaline water tank 323, the second water tank 324, the pre-cleaning tank 325, the browning tank 326, the third water tank 327, the pure water tank 328, so that the inner core board can be transported from the punching apparatus 200 into the water tank 320 for the browning treatment.

For example, the browning moving device 310 may include a first transmission member and a second transmission member disposed above the first transmission member, and a transmission direction of the first transmission member and the second transmission member is consistent with a production direction. Meanwhile, the inner core plate is clamped between the first transmission piece and the second transmission piece, and the inner core plate can move along with the first transmission piece and the second transmission piece in the same direction.

In this embodiment, including many first axis of rotation on the first driving medium, many axes of rotation set up along the direction of production interval in proper order, are provided with a plurality of first roller of rotation along its axial direction interval on every first axis of rotation, simultaneously, the both sides of first axis of rotation all are provided with first chain, and the length extension direction and the production direction of this first chain are the same, and first chain all meets with the tip of every first axis of rotation, makes first chain can drive first axis of rotation from this.

The second driving medium includes many second axis of rotation, and many second axis of rotation are along the direction interval setting in proper order of production, and every second axis of rotation is gone up along its axial direction interval and is provided with a plurality of second live-rollers, and simultaneously, the both sides of second axis of rotation all are provided with the second chain, and the length extending direction and the production direction of this second chain are the same, and the tip of second chain and every second axis of rotation all meets, from this makes the second chain drive the second axis of rotation. Therefore, by arranging the first transmission member and the second transmission member, the inner core plate can move along the direction of the production line, and then the inner core plate can sequentially move to the acidic water tank 321, the first water washing tank 322, the alkaline water tank 323, the second water washing tank 324, the pre-cleaning tank 325, the browning tank 326, the third self-heating tank and the pure water tank 328, and finally move to the discharge end of the browning equipment 300 and enter the next procedure after being dried by the oven 330.

Illustratively, as shown in fig. 9, the dosing device 340 may include a controller, a drug storage cylinder 342, a delivery pump 343, a detection cylinder 344 and a control valve 345, wherein the drug storage cylinder 342 is communicated with the detection cylinder 344 through the delivery pump 343, a liquid level meter is arranged in the detection cylinder 344, the detection cylinder 344 is communicated with the drug cylinder in the browning device 300 through the control valve 345, the controller is electrically connected with the delivery pump 343, the liquid level meter, the control valve 345 and the detection device, and the controller is used for controlling the delivery pump 343 to stop working and controlling the control valve 345 to open when the liquid level meter detects that the liquid medicine in the detection cylinder 344 reaches a set amount.

Illustratively, the dosing device 340 may include a dosing platform 341, where a plurality of drug storage cylinders 342 are disposed on the dosing platform 341, where the drug storage cylinders 342 may be disposed on the dosing platform 341 side by side, and when the liquid medicine in one of the storage cylinders is used up, the other drug cylinders may be activated, thereby ensuring the persistence of dosing and further ensuring the efficiency of the production line.

In some embodiments, one side of the browning apparatus 300 is provided with a plurality of dosing devices 340, that is, the plurality of dosing devices 340 are sequentially arranged along the production direction, for example, dosing devices 340 may be arranged at positions corresponding to the acidic water tank 321, the first water tank 322, the alkaline water tank 323, the second water tank 324, the pre-cleaning tank 325, the browning tank 326, the third self-boiling water tank and the pure water tank 328, and dosing can be automatically performed on the dosing devices 340, so that manual dosing is not required, and production efficiency is further improved.

The detection means may be an infrared sensor, for example. Through setting up this infrared inductor in the feed end of brown ization line, the quantity of the inlayer core that gets into the medical jar can be accurate to make the dosing device 340 can accurately obtain the quantity of dosing liquid medicine to the medical jar, thereby further guaranteed the continuity of production line, improved the efficiency of production.

In addition, the browning speed of the browning apparatus 300 is the same as that of the punching apparatus 200, thereby ensuring that the inner core board can be sequentially transported from the punching apparatus 200 to the browning apparatus 300. Because, if the browning speed of the browning apparatus 300 is too slow, the inner core board is piled up on the browning line, the order of the inner core board cannot be ensured. If the browning speed of the browning apparatus 300 is too high, there may be a situation that there is no inner core in the medicine tank, thereby resulting in idle running of the browning apparatus 300 and wasting of resources.

Meanwhile, because the air blowing device is arranged on the punching device 200, scraps after punching the inner core plate are prevented from being brought into the browning cylinder 326 to pollute liquid medicine.

It should be noted that the printed circuit board production line further includes an inner layer etching and an inner layer AOI inspection. Wherein, the inner layer etching is to remove the unnecessary copper foil by chemical reaction method to form the needed loop pattern. The inner core board after inner etching is inspected by AOI (automatic optical inspection machine), the image of the tested object is obtained by using digital image capturing equipment (such as CCD camera), whether the difference exists between the circuit diagram of the tested inner core board and the designed image of the circuit diagram is found out by using an image comparison method, and if the difference exists, the circuit on the inner core board needs to be modified, so that the accuracy of the circuit on the inner core board can be ensured by the process. The inner core boards with accurate circuits are placed in the storage equipment according to a preset sequence for the next process.

Based on the printed circuit board production line, the working principle is further explained below:

The inner core board subjected to inner etching and AOI inspection is placed on the storage device 110 according to a preset sequence, the lifting frame moves to the level of the corresponding partition board 114 under the driving action of the first air cylinder, then the second manipulator 152 moves to the partition board 114 under the action of the second air cylinder 151, the electromagnet is controlled to enable the first claw 1521 and the second claw 1523 to move towards the direction close to the handle 115 on the partition board 114 until the handle 115 is clamped between the first clamping groove 1522 and the second clamping groove 1524, at this time, the second manipulator 152 clamps the handle 115, and then the second manipulator 152 pulls the partition board 114 out of the corresponding storage space 116 under the action of the second air cylinder 151. At this time, the inner core plate on the partition 114 is also pulled out along with the partition 114, and the first robot 120 moves above the inner core plate, and sucks and conveys the inner core plate onto the conveying apparatus 130 through the suction cup 123, and conveys the inner core plate to the punching apparatus 200 through the conveying apparatus 130. Then, the second robot 152 pushes the partition 114 into the receiving cavity of the storage device 110, and the solenoid valve controls the first and second claws 1521 and 1523 to move in a direction away from the handle 115, i.e., unclamp the handle 115, thereby completing the transfer of a type of inner core board. Then, the height of the lifting frame is adjusted through the first cylinder, so that the second manipulator 152 can be aligned with the next partition 114, the second manipulator 152 is pushed to the position of the handle 115 of the partition 114 through the second cylinder 151 again, the second manipulator 152 pulls the handle 115 to pull the partition 114 onto the lifting frame, then the first manipulator 120 acts to convey the inner core boards on the partition 114 to the conveying device 130, and the inner core boards reciprocate until all the inner core boards are conveyed to the conveying device 130 according to the preset sequence. It should be noted that, the second manipulator 152 pulls the corresponding partition plates 114 sequentially according to a preset sequence.

The conveying equipment 130 conveys the inner core plates to the punching equipment 200 for punching according to the sequence, the inner core plates after punching are conveyed to the liquid medicine cylinders 320 through the browning moving device 310 for browning treatment, and along with the browning reaction, the medicine adding device 340 can automatically add medicines into the corresponding liquid medicine cylinders 320 according to the quantity of the inner core plates detected by the detecting device, so that the sufficient liquid medicine in the liquid medicine cylinders 320 can be ensured, and the efficiency of a production line is further ensured.

After the browning is finished, the inner core boards are conveyed to the stacking device 400, and the inner core boards are sequentially conveyed to the punching device 200 and the browning device 300 at the position of the equipment 100 according to a preset sequence, so that the inner core boards are stacked on the stacking bearing platform 420 according to the sequence only by a third manipulator. And then, conveying the stacked inner core plates to a pressing device.

The stacked inner core plates are conveyed to the pressing equipment, the pressing equipment is placed from top to bottom only through manual work, and the PP sheets are placed between the two inner core plates in sequence, so that different core plates and the PP sheets are not required to be laid separately, the inner core plates are also required to be ordered through manual work, namely, a large working space and a large number of auxiliary tools are not required, the manual cost distribution operation and time of hot melting or riveting are reduced, the productivity of the pressing equipment is released, and the working efficiency of a hot melting machine and riveting machine equipment is improved. Meanwhile, three independent work station devices of the equipment 100, the punching equipment 200 and the browning equipment 300 are combined together, so that time and labor for transferring the inner core plates among different procedures can be effectively saved. Therefore, by adopting the production line, the production efficiency of the printed circuit board is effectively improved.

In describing embodiments of the present disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. are directional or positional relationships indicated based on the drawings, merely for convenience in describing the embodiments of the present disclosure and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the embodiments of the present disclosure.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the embodiments of the present disclosure, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.

In the embodiments of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through intermediaries, or in communication between two elements or in interaction with each other, unless explicitly specified otherwise. The specific meaning of the above terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art according to specific circumstances.

In the presently disclosed embodiments, unless expressly stated and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intermediary. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present disclosure have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the embodiments of the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the embodiments of the present disclosure.

Claims

1. The printed circuit board production line is characterized by comprising a distributing device, a punching device, a browning device, a stacking device and a pressing device which are sequentially arranged along the production direction;

The distribution equipment comprises a distribution frame, storage equipment and transfer equipment, wherein the distribution frame comprises a first supporting beam and a second supporting beam which are oppositely arranged, the first supporting beam and the second supporting beam are vertically arranged, a cross beam is arranged between the first supporting beam and the second supporting beam, one end of the cross beam is connected with the first supporting beam, the other end of the cross beam is connected with the second supporting beam, an open space is arranged below the first cross beam, the distribution frame is used for obtaining the open space for arranging the storage equipment, the storage equipment comprises a plurality of storage spaces which are sequentially arranged at intervals along the vertical direction, each storage space is used for storing one type of inner core boards, and the storage equipment is arranged in the open space obtained by the distribution frame side by side;

The conveying equipment comprises a plurality of conveying shafts and conveying motors, wherein the conveying shafts and the conveying motors are sequentially arranged at intervals along the production direction, a plurality of conveying rollers are arranged on each conveying shaft at intervals along the axis direction of the conveying shafts, and the conveying motors are in transmission connection with the conveying shafts;

the punching equipment comprises air blowing equipment and a mounting plate, and is used for sequentially punching the inner core plate;

the browning equipment comprises a medicine cylinder, a browning moving device, a detecting device and a medicine adding device, and is used for carrying out browning treatment on the inner-layer core plate;

The stacking device is arranged on one side of the punching device, the stacking device is used for sequentially stacking the inner core plates output by the punching device, the pressing device is arranged on one side of the stacking device and is used for pressing the inner core plates stacked by the stacking device together, a pressing conveying table or a carrying robot is arranged between the stacking device and the pressing device, and the pressing conveying table and the carrying robot are used for conveying the stacked inner core plates to the pressing device.

2. The printed circuit board production line of claim 1, wherein the first robot is configured to grasp the inner core board in the storage space to the conveying apparatus, and the conveying apparatus is configured to convey the inner core board to the punching apparatus.

3. The printed circuit board production line according to any one of claims 1-2, wherein the storage device comprises a frame body and a plurality of partition boards, the frame body is provided with a containing cavity, the plurality of partition boards are arranged in the containing cavity in parallel and at intervals, and the containing cavity is divided into a plurality of storage spaces by the plurality of partition boards;

4. The printed circuit board production line according to claim 1, wherein the browning moving device is used for driving the inner core boards to move in the medicine cylinder, the detecting device is arranged at a feeding end of the medicine cylinder and used for detecting the number of the inner core boards entering the medicine cylinder, and the medicine adding device is connected with the detecting device and used for adding medicine liquid into the medicine cylinder according to the number of the inner core boards entering the medicine cylinder.

5. The printed circuit board production line of claim 4, wherein the dosing device comprises a controller, a drug storage cylinder, a delivery pump, a detection cylinder and a control valve, wherein the drug storage cylinder is communicated with the detection cylinder through the delivery pump, a liquid level meter is arranged in the detection cylinder, the detection cylinder is communicated with the drug cylinder through the control valve, the controller is electrically connected with the delivery pump, the liquid level meter, the control valve and the detection device, and the controller is used for controlling the delivery pump to stop working and controlling the control valve to be opened when the liquid level meter detects that the liquid medicine in the detection cylinder reaches a set amount.

6. The printed circuit board production line according to claim 1, wherein the blowing device is located at a discharge end of the punching device, the blowing device is used for blowing air onto the inner core board after punching, and a preset included angle is formed between the blowing direction and the inner core board, and the blowing direction is opposite to the production direction.

7. The printed circuit board production line of claim 1, wherein a plurality of punching pins are provided on the mounting plate, the punching pins being used for punching the inner core board.

8. The printed circuit board production line of claim 6, wherein the predetermined included angle is 30-60 °.