CN110774000A - Automatic Venturi Assembly Line - Google Patents

Abstract

The invention provides a fully automatic assembly line for venturi, including a workbench, a feeding station, a material frame assembly, a manipulator, a pressing and assembling station, a first transfer and handling station, a welding station, a testing station, and a second transfer and handling station. station and marking station, the feeding station includes two sets of feeding machines arranged side by side, the manipulator is set between the feeding station and the pressing and assembling station, and is used to clamp the valve body conveyed by the feeding machine and send it into the valve body Tooling and clamping the bonnet into the bonnet tooling; the welding station is located on the side of the slide away from the manipulator, and the first transfer and handling station is located on the side of the press-fit assembly station and the welding station, and at the end of the slide away from the manipulator , the first transfer and handling station clamps the press-fitted and assembled valve body and valve cover to the welding station, and the welded valve body and valve cover can be clamped and sent to the inspection station. The transfer and handling station is located on one side of the detection station, and the marking station is located on the other side of the detection station. The present invention has high integration, high processing efficiency, and saves time and effort.

Description

Automatic Venturi Assembly Line

technical field

The invention relates to an assembly line, in particular to a fully automatic Venturi assembly line.

Background technique

The venturi is mainly used in the oil suction pipeline system in the automobile, and the siphon process is generated by gas drainage, so that the fuel in the fuel tank is sucked into the structure used in the system, and the existing valve body and valve cover for the venturi are used. Assembly processing does not form a highly integrated automated assembly line, so the processing efficiency is low, and it is also time-consuming and labor-intensive.

Therefore, there is an urgent need for a fully automatic Venturi assembly line with high integration, high processing efficiency, and relatively time-saving and labor-saving.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fully automatic Venturi assembly line, which has high integration, high processing efficiency, and is relatively time-saving and labor-saving.

The invention provides the following technical solutions:

A venturi fully automatic assembly line includes a workbench, a feeding station on one side of the workbench, and a material frame assembly on the other side of the workbench; Combining the assembly station, the first transfer handling station and the welding station, the worktable on the side close to the material frame assembly is provided with a detection station, a second transfer handling station and a marking station, and the worktable on the side close to the material frame assembly There is also a material receiving port on the top, and the bottom of the material receiving port is connected with a material receiving chute set towards the material frame assembly; The valve body and bonnet of the tube; the press-fit assembly station includes a slide table and valve body tooling, valve cover tooling and driving electric cylinder for pressing the valve cover tooling toward the valve body tooling set on the sliding table; the manipulator is set in the Between the feeding station and the press-fit assembly station, it is used to clamp the valve body conveyed by the feeding machine into the valve body tooling and the valve cover to be clamped and sent to the valve cover tooling; the welding station is located in a slide away from the robot arm. The first transfer and handling station is located on one side of the press-fit assembly station and the welding station, and is located at the end of the slide table away from the manipulator. The first transfer and transfer station will press-fit the assembled valve body and valve on the press-fit assembly station The cover is clamped and sent to the welding station, and the welded valve body and bonnet can be clamped and sent to the inspection station. The second transfer station is located on one side of the inspection station, and the marking station is located on the other side of the inspection station. And the material receiving port is located at one end of the second transfer and handling station away from the detection station.

Preferably, the feeding machine includes a hoist and a collection slideway assembly, the collection slideway assembly includes a slideway, a vibrator and an elastic pad, and one end of the slideway is provided with a material receiving port located below the discharge port of the hoist, vibrating The vibrator is located below the slideway, and the fixed end of the vibrator is connected to the casing of the hoist through the mounting bracket, and the vibrating end of the vibrator is connected to a horizontal plate, and the bottom end of the elastic pad is installed on the horizontal plate, and its top end passes through A connecting plate frame is supported below the slideway, and the other end of the slideway extends toward the upper side of the worktable, and the end of the slideway extending above the worktable is also provided with a displacement sensor for detecting the position of the workpiece.

Preferably, the sliding table can slide toward the first transfer and handling station under the push of the first rodless cylinder on its lower side, and the sliding block of the first rodless cylinder is fixedly connected to the bottom side of the sliding table, and its fixed end is fixed Installed on the workbench.

Preferably, the first transfer and handling station includes a work frame, a first X-direction guide rail, a first Y-direction guide rail, a first Z-direction guide rail, a first X-direction slide block, a first Y-direction slide block, and a first Z-direction slide Block, the first X-direction guide rail is fixed on the work frame, and the first X-direction lead screw is erected and fixed on the first X-direction guide rail, one end of the first X-direction lead screw is driven to rotate by the first X-direction motor, the first X-direction The sliding block is slidably connected to the first X-direction guide rail, and is sleeved outside the first X-direction screw rod, and is threadedly connected to the first X-direction screw rod. The first Y-direction guide rail is fixed on the first X-direction slide. A first Y-direction screw rod is erected and fixed on the first Y-direction guide rail, one end of the first Y-direction screw rod is driven to rotate by the first Y-direction motor, and the first Y-direction slider is slidably connected to the first Y-direction The first Z-direction guide rail is fixed on the first Y-direction slider, and the first Z-direction guide rail is on the first Y-direction guide rail. A first Z-direction screw rod is erected and fixed, one end of the first Z-direction screw rod is driven to rotate by a first Z-direction motor, and the first Z-direction slider is slidably connected to the first Z-direction guide rail and sleeved on the first Z-direction guide rail. The first Z-direction slider is also provided with a first fixing frame, and the bottom end of the first fixing frame is connected with a first rotating cylinder, and the first rotating The movable end of the cylinder is connected with the fixed end of the first pneumatic gripper.

Preferably, the welding station includes a rotary table, two sets of welding rotary toolings arranged on the rotary table, and a laser welding head arranged on the table and facing the workpiece on one welding rotary tool, and the welding rotary tool is relative to the rotary table. The rotation axis is symmetrically arranged, and one side of the laser welding head is also provided with a pressing cylinder, which is fixed on the worktable through the cylinder bracket, and the movable end of the pressing cylinder is set towards the workpiece on the welding rotary tool.

Preferably, the detection station includes a leakage test station and a desorption test station; the leakage test station includes a rotary cylinder turntable, two sets of leakage test stations arranged on the rotary cylinder turntable, and are arranged around the leakage test station and can be The external leakage plugging head connected with the orifice of the venturi and the external leakage propulsion cylinder connected with the external leakage plugging head, two sets of external leakage test stations are symmetrically arranged on both sides of the rotation center of the rotary cylinder turntable, In addition, the external leakage propulsion cylinder can push the external leakage plugging head to block the nozzle of the venturi, and there is also a leak detection bracket between the two sets of external leakage test stations. The leak detector is connected to the air inlet set on one of the leakage plugging heads through the detection air pipe; the desorption test station includes a desorption test station, which is arranged around the desorption test station and can be connected with the nozzle of the venturi. The connected desorption gas channel head and the desorption propulsion cylinder connected with the desorption gas channel head are blocked, and one of the desorption gas channel heads is connected with the gas source through the air inlet pipe connected with the pressure regulator and the first flow meter, Other desorption gas channel heads that need desorption detection are communicated with the second flow meter through the gas outlet pipe.

Preferably, the marking station includes a marking head, a second rodless cylinder, a marking station and a second rotary cylinder, the slider of the second rodless cylinder is provided with a cylinder support, and the second rotary cylinder is mounted on the cylinder On the support, and the movable end of the second rotating cylinder is connected with the marking station, the second rodless cylinder drives the marking station to and fro between the second transfer station and the marking head through the sliding block fitted on it. sports.

Preferably, the second transfer station includes a table support, a linear slide rail arranged on the table support, a linear slide block matched with the linear slide rail, a transfer plate set on the linear slide block, and pushes the transfer load The transfer drive cylinder whose plate slides along the linear slide rail and the three groups of transfer cylinders fixed on the transfer plate, the movable ends of the transfer cylinders are all connected with second pneumatic grippers, and the three sets of second pneumatic grippers include: The first set of pneumatic grippers that can reciprocate between the spout and the marking station, the second set of pneumatic grippers that can reciprocate between the marking station and the desorption test station, and the A third set of pneumatic grippers reciprocating between the test station and a leak test station adjacent to the desorption test station.

Preferably, it also includes a controller that is electrically connected to the loading station, the manipulator, the press-fit and assembly station, the first transfer station, the welding station and the inspection station.

The beneficial effects of the present invention are: due to the valve body and valve cover of the venturi, the lifting and feeding are realized under the action of two sets of feeding machines arranged side by side, and the valve body and the valve body are realized by setting a manipulator at the discharging end. The transition from the bonnet to the press-fit assembly station controls the press-fit of the valve cover tooling in the press-fit assembly station toward the valve body tooling to realize the combination of the valve cover and the valve body, and then the sliding table moves towards the first transfer and handling station, and Under the grasping of the first pneumatic gripper of the first transfer and handling station, it is sent to the welding part for assembly and welding, and after the welding is completed, the first pneumatic gripper can also grasp the welded venturi and send it into the welding part. Go to the leakage test station for leakage test, and after the test is completed, the two groups of leakage test stations can be rotated by degrees, so that the welded Venturi tube is under the third group of pneumatic grippers and passes through the third group. The grasping of the pneumatic gripper is sent to the desorption test station for the desorption test, and then under the grasping of the second group of pneumatic grippers, it is sent to the marking station for marking, and then the first set of pneumatic grippers is marked. Grab it and feed it to the material receiving port to realize the entire assembly, welding, test and marking process of the venturi. It is integrated and has a high degree of automation, saving time and effort.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the rear view of Fig. 1;

Figure 3 is a schematic structural diagram of the valve body;

Fig. 4 is the structural representation of valve cover;

Fig. 5 is the structural representation of the feeder;

Fig. 6 is the structural representation of the collection chute assembly;

FIG. 7 is a schematic structural diagram of a press-fit assembly station;

Fig. 8 is the structural schematic diagram of the press-fit assembly station after removing the tank chain;

Fig. 9 is the structural representation of the first rodless cylinder;

Figure 10 is a schematic structural diagram of the valve body tooling;

Figure 11 is a schematic structural diagram of a valve cover tooling;

12 is a schematic structural diagram of the first transfer and handling station;

Fig. 13 is a partial enlarged view of part A in Fig. 12;

14 is a schematic diagram of the linkage structure of the first pneumatic gripper in the Z-direction in the first transfer and handling station;

Figure 15 is a schematic structural diagram of a welding station;

Figure 16 is a schematic structural diagram of the second transfer station;

Fig. 17 is the structural representation of the marking station;

Figure 18 is a schematic structural diagram of a leakage test station;

Figure 19 is a schematic structural diagram of a desorption test station;

Marks in the picture: 100 is the worktable, 200 is the material frame assembly, 300 is the manipulator, 400 is the material receiving port, 500 is the material receiving chute, 600 is the valve body, 700 is the valve cover, 1.0 is the feeding station, 2.0 3.0 is the first transfer station, 4.0 is the welding station, 5.0 is the second transfer station, 6.0 is the marking station, 7.0 is the leakage test station, 8.0 is the desorption test station, 1.1 1.10 is the hoist, 1.11 is the slide, 1.12 is the vibrator, 1.13 is the mounting bracket, 1.14 is the horizontal plate, 1.15 is the elastic spacer, 1.16 is the displacement sensor, 2.1 is the sliding table, and 2.2 is the valve body Tooling, 2.3 is the valve cover tooling, 2.4 is the driving electric cylinder, 2.5 is the first rodless cylinder, 3.1 is the work frame, 3.2 is the first X-direction guide, 3.3 is the first Y-direction guide, 3.4 is the first Z-direction guide , 3.5 is the first X-direction slider, 3.6 is the first Y-direction slider, 3.7 is the first Z-direction slider, 3.8 is the first X-direction screw, 3.9 is the first Y-direction screw, 3.10 is the first Z-direction screw, 3.11 is the first fixing frame, 3.12 is the first rotary cylinder, 3.13 is the first pneumatic gripper, 4.1 is the welding rotary tool, 4.2 is the laser welding head, 4.3 is the pressing cylinder, and 4.4 is the rotary table , 5.1 is the table support, 5.2 is the linear slide rail, 5.3 is the linear slider, 5.4 is the transfer plate, 5.5 is the transfer cylinder, 5.6 is the second pneumatic gripper, 5.7 is the transfer drive cylinder, and 6.1 is the marking head , 6.2 is the second rodless cylinder, 6.3 is the marking station, 6.4 is the second rotary cylinder, 7.1 is the rotary cylinder turntable, 7.2 is the leakage test station, 7.3 is the leakage plugging head, and 7.4 is the leakage propulsion Cylinder, 7.5 is the leak detection bracket, 7.6 is the leak detector, 7.7 is the detection gas pipe, 8.1 is the desorption test station, 8.2 is the desorption gas channel head, and 8.3 is the desorption propulsion cylinder.

Detailed ways

With reference to the structural cross-sectional views of a fully automatic Venturi assembly line shown in FIGS. 1 to 19 , in this embodiment, it includes a workbench 100 , a loading station 1.0 located on one side of the workbench 100 , and another side of the workbench 100 . The material frame assembly 200 on one side; the worktable 100 on the side close to the feeding station 1.0 is provided with a robot 300, a press-fit assembly station 2.0, a first transfer station 3.0 and a welding station 4.0, close to the material frame assembly 200 side The worktable 100 is provided with a detection station, a second transfer station 5.0 and a marking station 6.0, and a material receiving port 400 is also provided on the worktable 100 on the side of the material frame assembly 200. The material receiving port 400 is The bottom is connected with a material receiving chute 500 disposed toward the material frame assembly 200; the feeding station 1.0 includes two sets of feeding machines 1.1 arranged side by side, and the two sets of feeding machines 1.1 are respectively used to lift and convey the valve body 600 and the venturi tube. Valve cover 700; the press-fit assembly station 2.0 includes a sliding table 2.1 and a valve body tooling 2.2, a valve cover tooling 2.3 and a driving electric cylinder 2.4 that is pressed toward the valve body tooling 2.2; The manipulator 300 is arranged between the feeding station 1.0 and the pressing and assembling station 2.0, and is used for clamping the valve body 600 conveyed by the feeding machine 1.1 into the valve body tooling 2.2 and clamping the valve cover 700 into the valve cover tooling. 2.3, and press the valve body and the valve cover through the pressing parts on the valve body tooling 2.2 and the valve cover tooling 2.3 to press the end of the rotating motor, and then press-fit and assemble; On one side, the first transfer and handling station 3.0 is located on one side of the press-fit assembly station 2.0 and the welding station 4.0, and is located at one end of the slide table 2.1 away from the manipulator 300. The first transfer and transfer station presses the press-fit assembly station 2.0. The assembled valve body 600 and the valve cover 700 are clamped and sent to the welding station 4.0, and the welded valve body 600 and the valve cover 700 can be clamped and sent to the inspection station. The second transfer and handling station 5.0 is located at one of the inspection stations. The marking station 6.0 is located on the other side of the detection station, and the material receiving port 400 is located at one end of the second transfer station 5.0 away from the detection station.

The feeder 1.1 includes a hoist 1.10 and a collection slideway assembly. The collection slideway assembly includes a slideway 1.11, a vibrator 1.12 and an elastic pad 1.15. One end of the slideway 1.11 is provided with a connection below the discharge port of the elevator 1.10. The material port 400, the vibrator 1.12 is located below the slideway 1.11, and the fixed end of the vibrator 1.12 is connected to the casing of the hoist 1.10 through the mounting bracket 1.13, and its vibrating end is connected to a horizontal plate 1.14, and the elastic pad 1.15 The bottom end is installed on the horizontal plate 1.14, and its top end is supported under the slideway 1.11 through a connecting plate frame, and the other end of the slideway 1.11 extends toward the top of the workbench 100 and extends to the slideway above the workbench 100 The end of 1.11 is also provided with a displacement sensor 1.16 for detecting the position of the workpiece.

The sliding table 2.1 can slide toward the first transfer and handling station 3.0 under the push of the first rodless cylinder 2.5 on its lower side, and the sliding block of the first rodless cylinder 2.5 is fixedly connected to the bottom side of the sliding table 2.1, and its fixed The end is fixedly mounted on the table 100 .

The first transfer and handling station 3.0 includes a work frame 3.1, a first X-direction guide rail 3.2, a first Y-direction guide rail 3.3, a first Z-direction guide rail 3.4, a first X-direction slider 3.5, a first Y-direction slider 3.6, A Z-direction slider 3.7, the first X-direction guide rail 3.2 is fixed on the work frame 3.1, and a first X-direction screw rod 3.8 is erected and fixed on the first X-direction guide rail 3.2, and one end of the first X-direction screw rod 3.8 passes through the An X-direction motor drives and rotates, and the first X-direction slider 3.5 is slidably connected to the first X-direction guide rail 3.2, and is sleeved outside the first X-direction screw rod 3.8, and is simultaneously connected with the first X-direction screw rod 3.8 by threaded connection , the first Y-direction guide rail 3.3 is fixedly arranged on the first X-direction slider 3.5, and the first Y-direction guide rail 3.3 is erected and fixed with a first Y-direction screw 3.9, one end of the first Y-direction screw 3.9 passes through the first The Y-direction motor is driven to rotate, and the first Y-direction slider 3.6 is slidably connected to the first Y-direction guide rail 3.3, and is sleeved outside the first Y-direction screw 3.9, and is simultaneously connected with the first Y-direction screw 3.9 by threaded connection, The first Z-direction guide rail 3.4 is fixedly arranged on the first Y-direction slider 3.6, and a first Z-direction screw rod 3.10 is erected and fixed on the first Z-direction guide rail 3.4, and one end of the first Z-direction screw rod 3.10 passes through the first Z-direction screw rod 3.10. The first Z-direction slide block 3.7 is slidably connected to the first Z-direction guide rail 3.4, and is sleeved outside the first Z-direction screw rod 3.10, and is simultaneously connected with the first Z-direction screw rod 3.10 through threads. A Z-direction slider 3.7 is also provided with a first fixing frame 3.11, the bottom end of the first fixing frame 3.11 is connected with a first rotating cylinder 3.12, and the movable end of the first rotating cylinder 3.12 is fixed with the first pneumatic clamping jaw 3.13 end connected.

The welding station 4.0 includes a rotary table 4.4, two sets of welding rotary tooling 4.1 arranged on the rotary table 4.4, and a laser welding head 4.2 arranged on the table 100 and facing the workpiece on one welding rotary tool 4.1, and the welding rotary tool 4.1 Regarding the rotational axis of the rotary table 4.4, a pressing cylinder 4.3 is also provided on one side of the laser welding head 4.2. The pressing cylinder 4.3 is fixed on the table 100 through the cylinder bracket, and the movable end of the pressing cylinder 4.3 rotates toward the welding. The workpiece is set on the tooling 4.1. After the rotary table rotates the venturi in the welding rotary tooling 4.1 to the welding position, the cylinder 4.3 is pressed down to position the venturi, and then the venturi is loosened. Driven by the rotating motor connected below, it realizes self-rotation, and then completes the laser welding of the assembly position of the venturi.

The detection station includes a leakage test station 7.0 and a desorption test station 8.0; the leakage test station 7.0 includes a rotary cylinder turntable 7.1, two sets of leakage test stations 7.2 arranged on the rotary cylinder turntable 7.1, and set on the leakage test station. 7.2 The external leakage plugging head 7.3 that can be connected to the orifice of the venturi tube and the external leakage propulsion cylinder 7.4 connected to the external leakage plugging head 7.3, two sets of external leakage test stations 7.2 are symmetrically arranged on the rotating cylinder On both sides of the rotation center of the turntable 7.1, and the external leakage propulsion cylinder 7.4 can push the external leakage plugging head 7.3 to block the orifice of the venturi, one of the external leakage plugging heads can also pass through a pipeline with, and A leak detection bracket 7.5 is also arranged between the two sets of leakage testing stations 7.2, and a leak detection device 7.6 is installed on the leakage detection bracket 7.5. The air inlets are connected; the leakage at the three orifices of the venturi pushes the cylinders 7.4 to act respectively to seal all the orifices of the venturi through the leakage plugging head to form a completely sealed cavity. At this time, the leak detector starts to inflate the cavity through the detection trachea 7.7. When the air pressure reaches the preset pressure value of the leak detector, the inflation is stopped and the pressure is maintained. At the same time, the leak detector will automatically calculate the inflation volume and inflation pressure. , automatically calculate a simulated standard test data, and the leak detector will perform leak detection during the pressure holding stage.

The desorption test station 8.0 includes a desorption test station 8.1, a desorption gas channel head 8.2 which is arranged around the desorption test station 8.1 and can be connected with the orifice of the venturi and is connected to the desorption gas channel head 8.2 The connected desorption propulsion cylinder 8.3, and one of the desorption gas channel heads 8.2 is connected with the gas source through the intake pipe connected with the pressure regulator and the first flow meter, and the other desorption gas channel heads that require desorption detection pass through the gas outlet pipe. Connected with the second flowmeter, when the desorption test needs to be performed, the desorption propulsion cylinder 8.3 at the mouth of the venturi can be actuated separately to push the desorption gas channel head 8.2 to block the mouth of the tube, and set the venturi The air inlet of the tube is ventilated through the air inlet tube, and the test for the desorption of the nozzle is realized by detecting the air outlet at the nozzle to be detected for desorption, that is, when the air outlet of the nozzle reaches the set value. Standard, the Venturi assembly is qualified at this time.

The marking station 6.0 includes a marking head 6.1, a second rodless cylinder 6.2, a marking station 6.3 and a second rotary cylinder 6.4. The slider of the second rodless cylinder 6.2 is provided with a cylinder support, and the second rotary cylinder 6.4 is installed on the cylinder support, and the movable end of the second rotary cylinder 6.4 is connected with the marking station 6.3, and the second rodless cylinder 6.2 drives the marking station 6.3 through the sliding block matched with it to carry it in the second transfer. Reciprocating movement under the station 5.0 and under the marking head 6.1.

The second transfer and handling station 5.0 includes a table support 5.1, a linear slide rail 5.2 arranged on the table support 5.1, a linear slide block 5.3 matched with the linear slide rail 5.2, a transfer plate 5.4 arranged on the linear slide block 5.3, The transfer driving cylinder 5.7 that pushes the transfer plate to slide along the linear slide rail and the three groups of transfer cylinders 5.5 fixed on the transfer plate 5.4, the movable end of the transfer cylinder 5.5 is connected with a second pneumatic clamping jaw 5.6, And the three sets of second pneumatic grippers 5.6 include a first set of pneumatic grippers that can reciprocate between the material receiving port 400 and the marking station 6.3, and can be used between the marking station 6.3 and the desorption test station 8.1. A second group of pneumatic grippers that reciprocate between and a third group of pneumatic grippers that can reciprocate between the desorption test station 8.1 and a leakage test station 7.2 adjacent to the desorption test station 8.1.

It also includes a controller electrically connected with the loading station 1.0, the manipulator 300, the pressing and assembling station 2.0, the first transfer and handling station 3.0, the welding station 4.0 and the inspection station.

The working principle of the present invention is as follows: due to the valve body 600 and the valve cover 700 of the venturi, the lifting and feeding are respectively realized under the action of two sets of feeding machines 1.1 arranged side by side, and a manipulator is arranged at the discharging end to realize the lifting and feeding. The transition of the valve body and the valve cover to the press-fit assembly station 2.0, and then control the valve cover tooling 2.3 in the press-fit assembly station 2.0 to be pressed toward the valve body tooling 2.2 to realize the combination of the valve cover and the valve body, and then the slide table faces the first The transfer and handling station moves, and is sent to the welding part for assembly and welding under the grasping of the first pneumatic gripper 3.13 of the first transfer and handling station, and after the welding is completed, the first pneumatic gripper 3.13 can also weld The good venturi is grabbed and sent to the leakage test station 7.0 for leakage test. The leakage test station 7.2 and the desorption test station 8.1 are used to place the venturi to be tested, and after the test is completed, By rotating the rotary cylinder turntable 7.1, the two sets of leakage test stations 7.2 can be rotated 180 degrees, so that the welded venturi is placed under the third set of pneumatic grippers, and the third set of pneumatic grippers can be grasped by the third set of pneumatic grippers. It is sent to the desorption test station 8.1 for the desorption test, and then sent to the marking station for marking under the grasping of the second group of pneumatic grippers, and then sent to the first set of pneumatic grippers. To the material receiving port 400, the whole process of assembly, welding, testing and marking of the venturi is realized, which is integrated and has a high degree of automation, which saves time and effort.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing embodiments. The technical solutions described are modified, or some technical features thereof are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. A fully automatic Venturi assembly line, characterized in that it comprises a workbench, a feeding station on one side of the workbench, and a material frame assembly on the other side of the workbench; The workbench on one side of the station is provided with a manipulator, a pressing and assembling station, a first transfer and handling station and a welding station, and a workbench on the side close to the material frame assembly is provided with a detection station, a second transfer and handling station and a welding station. a marking station, and a material receiving port is also provided on the work surface on one side of the material frame assembly, the bottom of the material receiving port is connected with a material receiving chute arranged toward the material frame assembly; The feeding station includes two sets of feeding machines arranged side by side, and the two sets of feeding machines are respectively used to lift the valve body and the valve cover of the venturi; The pressing and assembling station includes a sliding table, a valve body tooling, a valve cover tooling and a driving electric cylinder that drives the valve cover tooling to be pressed toward the valve body tooling, which are arranged on the sliding table; The manipulator is arranged between the feeding station and the pressing and assembling station, and is used for clamping the valve body conveyed by the feeding machine into the valve body tooling and clamping the valve cover into the the valve cover tooling; The welding station is located on the side of the sliding table away from the manipulator, the first transfer and handling station is located on one side of the press-fit assembly station and the welding station, and is located at one end of the sliding table away from the manipulator, The first transfer and handling station clamps the press-fitted and assembled valve body and bonnet into the welding station, and can clamp the welded valve body and the bonnet into the welding station. The inspection station, the second transfer station are located on one side of the inspection station, the marking station is located on the other side of the inspection station, and the material receiving port is located on the second transfer station An end of the transfer station remote from the detection station. 2. The fully automatic Venturi assembly line according to claim 1, wherein the feeding machine comprises a hoist and a collection slideway assembly, and the collection slideway assembly comprises a slideway, a vibrator and elastic pad, one end of the slideway is provided with a material receiving port located below the discharge port of the elevator, the vibrator is located below the slideway, and the fixed end of the vibrator is installed through the mounting bracket It is connected to the casing of the hoist, and its vibrating end is connected to a horizontal plate, and the bottom end of the elastic pad is installed on the horizontal plate, and its top end is supported on the slideway through a connecting plate frame and the other end of the slideway extends above the worktable, and the end of the slideway extending above the worktable is also provided with a displacement sensor for detecting the position of the workpiece. 3 . The fully automatic Venturi assembly line according to claim 2 , wherein the sliding table can move toward the first transfer station under the push of the first rodless cylinder on the lower side of the sliding table. 4 . sliding, and the sliding block of the first rodless cylinder is fixedly connected with the bottom side of the sliding table, and the fixed end thereof is fixedly installed on the working table. 4. The fully automatic Venturi assembly line according to claim 3, wherein the first transfer station comprises a work frame, a first X-direction guide rail, a first Y-direction guide rail, and a first Z-direction guide rail. The first X-direction guide rail, the first X-direction slider, the first Y-direction slider, and the first Z-direction slider, the first X-direction guide rail is fixed on the work frame, and a first X-direction guide rail is erected and fixed on the first X-direction guide rail. An X-direction screw, one end of the first X-direction screw is driven to rotate by a first X-direction motor, the first X-direction slider is slidably connected to the first X-direction guide rail, and is sleeved on the The first X-direction screw rod is connected with the first X-direction screw rod through threads at the same time, the first Y-direction guide rail is fixedly arranged on the first X-direction slider, and the first Y-direction guide rail is A first Y-direction screw rod is erected and fixed, one end of the first Y-direction screw rod is driven to rotate by a first Y-direction motor, the first Y-direction slider is slidably connected to the first Y-direction guide rail, and The first Z-direction guide rail is fixedly arranged on the first Y-direction slider, and the first A first Z-direction screw rod is erected and fixed on the Z-direction guide rail, one end of the first Z-direction screw rod is driven to rotate by a first Z-direction motor, and the first Z-direction slider is slidably connected to the first Z-direction The guide rail is sleeved on the outside of the first Z-direction screw rod, and is simultaneously connected with the first Z-direction screw rod through threads. The bottom end of the first fixing frame is connected with a first rotating cylinder, and the movable end of the first rotating cylinder is connected with the fixed end of the first pneumatic gripper. 5 . The fully automatic assembly line for venturi tubes according to claim 4 , wherein the welding station comprises a rotary table, two sets of welding rotary toolings arranged on the rotary table, and two sets of welding rotary tools arranged on the A laser welding head arranged on the worktable and facing a workpiece on the welding rotary tool, the welding rotary tool is symmetrically arranged about the rotation axis of the rotary worktable, and one side of the laser welding head is also provided with a pressing A cylinder, the pressing cylinder is fixed on the worktable through a cylinder bracket, and the movable end of the pressing cylinder is arranged towards the workpiece on the welding rotary tool. 6. The fully automatic Venturi assembly line according to claim 5, wherein the detection station comprises a leakage test station and a desorption test station; The leakage testing station includes a rotating cylinder turntable, two sets of leakage testing stations arranged on the rotating cylinder turret, and are arranged around the leakage testing stations and can be blocked with the orifice of the venturi. The connected external leakage plugging head and the external leakage propulsion cylinder connected with the external leakage plugging head, the two sets of the external leakage test stations are symmetrically arranged on both sides of the rotation center of the rotary cylinder turntable, and the The external leakage propulsion cylinder can push the external leakage plugging head to seal the nozzle of the venturi, and a leak detection bracket is also arranged between the two sets of external leakage test stations, and a leak detector is installed on the leakage detection bracket. The leak detector is connected with the air inlet provided on one of the leakage plugging heads through the detection trachea; The desorption test station includes a desorption test station, a desorption gas channel head that is arranged around the desorption test station and can be connected to the orifice of the venturi and is connected to the desorption gas channel. The desorption propulsion cylinder is connected to the head, and one of the desorption gas channel heads is connected to the gas source through the air inlet pipe connected with the pressure regulator and the first flow meter, and the other desorption gas channel heads that need desorption detection are connected to the gas source through the gas outlet pipe. The second flow meter is in communication. 7. The automatic Venturi assembly line according to claim 6, wherein the marking station comprises a marking head, a second rodless cylinder, a marking station and a second rotating cylinder, The slider of the second rodless cylinder is provided with a cylinder support, the second rotary cylinder is mounted on the cylinder support, and the movable end of the second rotary cylinder is connected to the marking station, so The second rodless cylinder drives the marking station to move back and forth under the second transfer station and the marking head through the sliding block matched therewith. 8 . The fully automatic Venturi assembly line according to claim 7 , wherein the second transfer and handling station comprises a table support, a linear slide rail arranged on the table support, and a table support. 9 . The linear slider matched with the linear slide rail, the transfer plate arranged on the linear slider, the transfer drive cylinder that pushes the transfer plate to slide along the linear slide rail, and the three fixed on the transfer plate. A set of transfer cylinders, the movable ends of the transfer cylinders are all connected with second pneumatic clamping jaws, and the three sets of second pneumatic clamping jaws include a first group that can reciprocate between the material receiving port and the marking station Pneumatic grippers, a second set of pneumatic grippers that can reciprocate between the marking station and the desorption test station, and a leak test station that The third group of pneumatic grippers reciprocating between. 9 . The fully automatic Venturi assembly line according to claim 8 , further comprising a combination of the feeding station, the manipulator, the pressing and assembling station, the first transfer A controller to which the handling station, the welding station and the inspection station are electrically connected.

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