CN206747059U - A conical spring preloading and testing integrated machine - Google Patents

Abstract

The utility model relates to a conical spring pre-compaction, detection all-in-one, including workstation (1), install two sets of conical spring conveyor that are parallel to each other on workstation (1), corresponding to every group conical spring conveyor disposes pre-compaction detection and defective work removing devices and concentricity detection and defective work removing devices respectively from the left hand right side along workstation (1) in proper order. Compared with the prior art, the utility model beneficial effect be: the utility model discloses an adopt human-computer interface and PLC control, through set up two sets of conical spring conveyor simultaneously on a workstation, to the semi-automatic pair of detection station of man-machine combination collection is the pre-compaction promptly and detects as an organic whole and can realize continuous, high-efficient, the semi-automatic detection assembly line of high-quality conical spring duplex position, mainly through pre-compaction and moment and highly detect and differentiate, the detection method that concentricity detected and differentiate realizes the detection achievement to conical spring mechanical properties parameter, easy and simple to handle, factor of safety is high, detection efficiency is high.

Description

A conical spring preloading and testing integrated machine

technical field

The utility model relates to a spring detection device, in particular to a conical spring preloading and detection integrated machine.

Background technique

The Chinese Utility Model Patent No. ZL201220637356.2 discloses a spring detection device, including a workbench, a feeding mechanism, a feeding mechanism, a spring concentricity testing mechanism, at least one set of spring compression force measuring mechanism, a spring height testing mechanism, PLC controllers and industrial computers. The spring concentricity testing mechanism includes a first photographing device, and the first photographing device is located above the spring to be tested. Each group of spring compression force measuring mechanism includes a pressure head, a pressure head driving device and a load cell. The spring height testing mechanism includes a second photographic device, and the second photographic device is located on the side of the spring to be tested. The signal input end of the PLC controller is electrically connected with the signal output end of the load cell. The signal input terminals of the industrial computer are electrically connected with the signal output terminals of the first and second photographing devices respectively, and the industrial computer is connected with the PLC controller for two-way communication. The utility model can test the concentricity, height and elastic force of the spring at one time, thereby improving the testing efficiency. But this utility model has the following technical defects: on the one hand, the spring detection equipment is only provided with a set of spring detection stations on the workbench, and the work efficiency of the overall spring detection is low; The four pneumatic manipulators next to the test waiting station, the spring concentricity testing mechanism, the spring compression force measuring mechanism, and the spring height testing mechanism realize the conversion between each testing station. The spring conveying structure and control are relatively complicated. This further reduces the working efficiency of the overall spring detection. Therefore urgently need to improve.

The Chinese Utility Model Patent No. ZL200720138383.4 discloses a microcomputer-controlled spring automatic test device, which belongs to the detection technology field. Used to solve spring detection issues. The technical solution is that it is composed of a frame, a pressure sensor, a displacement sensor, a measuring cylinder and a data acquisition and processing circuit. The pressure sensor is fixed at the lower part of the frame, and a horizontal measuring seat is set on the upper part of the frame, and the measuring cylinder is fixed vertically. Directly above the pressure sensor, the lower end of the piston rod protruding downward is equipped with a horizontal test pressure plate. The displacement sensor is vertically fixed on the frame, and its pull rod is connected with the piston rod of the measuring cylinder. The signal output terminal is connected with a data acquisition and processing circuit. The utility model is easy to operate, has high detection efficiency and measurement accuracy, can automatically complete the detection test of various springs, greatly reduces the human influence and the labor intensity of the operator, and can meet the needs of batch maintenance of brake valves and empty-load vehicle adjustment devices. . However, on the one hand, this utility model is not provided with a spring concentricity test device, and the spring concentricity test cannot be performed; on the other hand, the technical solution only has a single spring detection station on the frame, and no spring delivery device is configured. , can not carry out continuous and efficient spring detection work. Therefore urgently need to improve.

Utility model content

In order to solve the technical defects in the above-mentioned existing spring detection equipment, the technical solution adopted by the utility model is as follows:

An all-in-one machine for conical spring preloading and detection, including a workbench, on which two groups of conical spring conveying devices parallel to each other are installed, corresponding to each group of conical spring conveying devices along the workbench From left to right, there are pre-pressure detection and unqualified product rejection devices and concentricity detection and unqualified product rejection devices respectively.

Preferably, the conical spring conveying device includes a motor reducer and a bracket assembly, the motor reducer and bracket assembly are fixedly installed on the right front side of the workbench, and the motor reducer and bracket assembly includes a reducer output end pulley.

In any of the above schemes, preferably, the conical spring conveying device includes a chain transmission assembly, the chain transmission assembly includes a driving shaft and a driving wheel, and the driving shaft is installed on the right side of the motor reducer and the bracket assembly. On the workbench, the driving shaft is equipped with the driving wheel, and power is input through a belt transmission between the driving wheel and the pulley at the output end of the reducer.

In any of the above schemes, preferably, the chain drive assembly includes a driving sprocket, a chain, a driven sprocket and a driven shaft, the driving shaft is equipped with the driving sprocket, and the driven shaft is installed on On the left side of the workbench, the driven sprocket is mounted on the driven shaft, and the driving sprocket and the driven sprocket are connected through the chain.

In any of the above solutions, preferably, a sprocket adjustment assembly is installed on the left front side of the workbench.

In any of the above schemes, preferably, the chain is fixedly installed with a number of spring positioning clips that are adjacent to each other and arranged closely.

In any of the above solutions, preferably, the spring positioning clamp includes a clamp backing plate and a clamp connecting plate.

In any of the solutions above, preferably, a roller bracket is installed on the workbench, and several rollers are installed on the roller bracket, and a flexible connection is formed between the bottom of the spring positioning fixture and the rollers.

In any of the above schemes, it is preferred that the device for preload detection and rejecting defective products includes a preload bracket, on which a first press head assembly and a second press head assembly are fixedly installed in sequence from left to right. Components and first rejects reject components.

In any of the above schemes, preferably, the concentricity detection and rejecting device includes a concentricity detection bracket, and the concentricity detection bracket is fixedly installed with a concentricity image detection component and a second Non-conforming products reject components.

In any solution above, preferably, the first pressure head assembly includes a first pressure head and a first sensor-equipped cylinder, and the first pressure head is connected to the first sensor-equipped cylinder.

In any of the above schemes, preferably, the second pressure head assembly includes a displacement sensor, a second pressure head, a pressure sensor and a second cylinder with a sensor, and the front end of the second pressure head is equipped with the displacement sensor , the rear end of the second pressure head is equipped with the pressure sensor, and the second pressure head is connected with the second sensor-equipped cylinder.

In any of the above schemes, it is preferable that the first defective product rejecting assembly includes a first guide rail, and a first defective product rejecting slide bracket is set on the first guide rail, and the first defective product rejecting slide plate A third air cylinder with sensor, a first guide rod, a first air claw with sensor, a first air claw clamp and a first horizontal longitudinal air cylinder with sensor are fixedly installed on the bracket, and the first air claw with sensor The front end is connected with the first air claw fixture, and the rear end of the first sensor-equipped air claw is connected with the third sensor-equipped cylinder.

In any of the above solutions, preferably, a first defective product basket is arranged below the first air claw gripper.

In any of the above schemes, preferably, the concentricity image detection assembly includes a guide post, a concentricity image detection instrument mounting plate and a concentricity image detection instrument, and the concentricity image detection instrument is installed at the front of the guide post A mounting plate, the concentricity image detector is installed on the image instrument mounting plate.

In any of the above schemes, it is preferable that the second defective product rejecting assembly includes a second guide rail, and a second defective product rejecting slide bracket is set on the second guide rail, and the second defective product rejecting slide plate A fourth air cylinder with sensor, a second guide rod, a second air claw with sensor, a second air claw clamp and a second horizontal longitudinal air cylinder with sensor are fixedly installed on the bracket, and the second air claw with sensor The front end is connected with the second air claw clamp, and the rear end of the second sensor air claw is connected with the fifth sensor air cylinder.

In any of the above schemes, preferably, a second defective product basket is arranged below the second air claw gripper.

In any of the above solutions, preferably, a zero point sensor is provided on the workbench at a position corresponding to the concentricity detection and rejecting device.

The zero point sensor refers to the output of the sensor that is measured as zero time under specified conditions.

In any of the above solutions, it is preferred that a through-beam sensor is provided at the right end of the conical spring conveying device.

Preferably in any of the above schemes, PLC is included.

Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts man-machine interface and PLC control, sets two sets of conical spring conveying devices on a workbench at the same time, and integrates semi-automatic double The detection station is the integration of preloading and detection, which can realize continuous, efficient and high-quality conical spring double-station semi-automatic detection assembly line. The testing work of the mechanical performance parameters of the shaped spring. It has the technical characteristics of easy operation, high safety factor, and high detection efficiency. Due to the use of spring double detection stations, the technical problem of low detection efficiency existing in the existing spring single detection station is solved, and at the same time, it achieves the technology of reducing staff and increasing efficiency. Effect. The utility model combines the pressure sensor and the displacement sensor to detect the pressure change of each position of the conical spring, detects the concentricity of the conical spring through the imager, and sets the upper and lower limits of the pressure index in combination with the pressure requirements of the conical spring. When conical springs exceeding the upper and lower limits are detected, an alarm signal is issued and automatically identified and rejected, thereby ensuring the detection quality of conical springs to the greatest extent.

Description of drawings

Fig. 1 is the front view of a preferred embodiment as conical spring preloading of the present utility model, detection all-in-one machine;

Fig. 2 is a top view of the embodiment shown in Fig. 1 of the conical spring preloading and detection integrated machine according to the utility model.

Explanation of reference signs:

1 table; 2 spring positioning fixture; 3 chain; 4 driven sprocket; 5 driven shaft; 6 fixture backing plate; 7 fixture connecting plate; 8 roller bracket; 9 roller; 10PLC; Pressure head; 13 first cylinder with sensor; 14 displacement sensor; 15 second pressure head; 16 pressure sensor; 17 second cylinder with sensor; ;20 first guide rod; 21 guide column; 22 concentricity image detector mounting plate; 23 concentricity image detection component; 24 first air claw with sensor; 25 first air claw fixture; ;27 reducer output end pulley; 28 driving wheel; 29 second horizontal longitudinal cylinder with sensor; 30 second guide rail; 31 concentricity detection bracket; 32 substandard product basket; 35 Zero-point sensor; 36 The second unqualified product rejecting skateboard bracket; 37 The fourth cylinder with sensor; 38 The second guide rod; 39 The second air claw with sensor; 40 The second air claw fixture; 41 Cone spring; 42 the second unqualified product basket; 43 the first guide rail.

detailed description

This embodiment is only a preferred technical solution, and the various components and connection relationships involved are not limited to the following implementation described in this embodiment. The configuration and connection relationship of the various components in the preferred solution can be Carry out arbitrary permutations and combinations to form a complete technical solution.

The technical scheme of the conical spring preloading and detection integrated machine is described in detail below in conjunction with Figs. 1 and 2:

A conical spring preloading and detection integrated machine, including a workbench 1, two groups of conical spring conveying devices parallel to each other are installed on the workbench 1, corresponding to each group of conical spring conveying devices moving along the workbench 1 From left to right, there are pre-pressure detection and non-conforming product rejection devices and concentricity detection and non-conforming product rejection devices respectively. The conical spring conveying device includes a motor reducer and a bracket assembly 26, which is fixedly installed on the right front side of the workbench 1, and the motor reducer and bracket assembly 26 includes a pulley 27 at the output end of the reducer. The conical spring conveying device includes a chain transmission assembly, and the chain transmission assembly includes a driving shaft and a driving wheel 28, and the driving shaft is installed on the workbench 1 on the right side of the motor reducer and the bracket assembly 26, and the driving shaft Drive pulley 28 is housed on it, and power is input by belt transmission between drive pulley 28 and reducer output end belt pulley 27. Described chain transmission assembly comprises driving sprocket, chain 3, driven sprocket 4 and driven shaft 5, and driving sprocket is housed on the described driving shaft, and driven shaft 5 is installed on the left side of workbench 1, and driven shaft 5 Driven sprocket 4 is housed on it, and is connected by chain 3 between described drive sprocket and driven sprocket 4. A sprocket adjustment assembly 33 is installed on the left front side of the workbench 1 . A number of spring positioning fixtures 2 adjacent to each other and closely arranged are fixedly installed on the chain 3. The spring positioning fixture 2 includes a fixture backing plate 6 and a fixture connecting plate 7. A roller bracket 8 is installed on the workbench 1, and a roller bracket 8 is installed on it. There are some rollers 9, and the bottom of the spring positioning fixture 2 is flexibly connected with the rollers 9. The pre-pressing detection and rejecting device includes a pre-pressing bracket 11 on which a first indenter assembly, a second indenter assembly and a first rejecting-injection assembly are fixedly installed in sequence from left to right. The first pressure head assembly includes a first pressure head 12 and a first sensor-equipped cylinder 13 , and the first pressure head 12 is connected to the first sensor-equipped cylinder 13 . Described second pressure head assembly comprises displacement sensor 14, the second pressure head 15, pressure sensor 16 and the second cylinder 17 with sensor, the front end of second pressure head 15 is equipped with displacement sensor 14, the rear of second pressure head 15 The end is equipped with a pressure sensor 16, and the second pressure head 15 is connected with the second band sensor cylinder 17. The first defective product rejecting assembly includes a first guide rail 43, the first guide rail 43 is set with a first defective product rejecting slide bracket 18, and a third belt sensor is fixedly installed on the first defective product rejecting slide bracket 18. Cylinder 19, the first guide rod 20, the first air claw with sensor 24, the first air claw clamp 25 and the first horizontal longitudinal cylinder with sensor, the front end of the first air claw with sensor 24 and the first air claw clamp 25 is connected, and the rear end of the first band sensor air claw 24 is connected with the third band sensor cylinder 19. A first defective product basket 32 is arranged below the first air claw fixture 25 . The concentricity detection and defective product rejection device includes a concentricity detection bracket 31 on which a concentricity image detection component 23 and a second nonconforming product rejection component are fixedly installed in sequence from left to right. The concentricity image detection assembly 23 comprises a guide post 21, a concentricity image detection instrument mounting plate 22 and a concentricity image detection instrument. Concentricity image detector described above. The second defective product rejecting assembly includes a second guide rail 30, a second defective product rejecting slide bracket 36 is set on the second guide rail 30, and a fourth belt sensor is fixedly installed on the second defective product reject sliding board support 36. Cylinder 37, the second guide rod 38, the second band sensor air claw 39, the second air claw clamp 40 and the second horizontal longitudinal band sensor cylinder 29, the front end of the second band sensor air claw 39 and the second air claw The clamps 40 are connected, and the rear end of the second air claw 39 with a sensor is connected with the fifth air cylinder 37 with a sensor. A second defective product basket 42 is arranged below the second air claw fixture 40 . A zero point sensor 35 is arranged on the workbench 1 corresponding to the position of the concentricity detection and rejecting device. The right end of the conical spring conveying device is provided with a through-beam sensor 34 . Includes PLC10.

The through-beam sensor, also known as through-beam photoelectric sensor, refers to a type of sensor that emits red light or infrared at the transmitter and receives at the receiver. When an object passes by, the light is cut off and then outputs a signal. The principle of the through-beam photoelectric sensor is: in general, the photoelectric sensor includes three parts: a transmitter, a receiver and a detection circuit. The transmitter is aimed at the target and emits light beams, which generally originate from semiconductor light sources, light-emitting diodes (leds) and laser diodes. The beam is emitted continuously, or with varying pulse width. The receiver consists of a photodiode or phototransistor. In front of the receiver, optical components such as lenses and apertures are installed. Following it is the detection circuit, which filters out the valid signal and applies it. In addition, there are emission plates and optical fibers among the structural elements of the photoelectric sensor. The triangular reflector is a reflective device with a solid structure. It is composed of a small triangular cone reflective material, which can make the light beam return from the reflector accurately. It has practical significance. It can change the emission in the range of 0 to 25 from the optical axis. Angle, so that the light beam is almost from an emission line, after being reflected, or returning from this reflection line. Optical fiber (also known as optical fiber lwl), which expands the scope of use of photoelectric sensors, forms a special embedded transceiver device, which can be used in special environments to detect tiny objects. It can be used in very high external temperatures. It works fine in structurally constrained environments.

Working principle of the present utility model: after starting the PLC10, the servo motor rotates and drives the gear to rotate and then transmits to the driving wheel 28, and the driving wheel 28 drives the driven sprocket 4 to the zero sensor 35, and the motor is detected by the conical spring programmed by the PLC When the conical spring is conveyed in place, the pre-compressed cylinder, that is, the first sensor cylinder 13 is pneumatically pressed down. After the downward pressure action is in place, the first sensor cylinder 13 returns to its position, and the servo motor drives the spring positioning fixture 2 to pass After detection, turn to the second pressure head assembly, the second sensor cylinder 17 presses down, and the pressure sensor 16 senses the pressure, and the displacement sensor 14 performs distance measurement, and the measured pressure and distance data are sent to the PLC for judgment. The cylinder with sensor 17 is returned, and the servo rotation program is transferred to the concentricity detection process. When it is judged to be a qualified conical spring, it will enter the concentricity detection work. When it is judged to be an unqualified conical spring, it will grab and put it into the first The unqualified product basket 32, the conical springs that pass the concentricity test are transferred to the blanking process, that is, the qualified products are manually taken away, and the unqualified conical springs that are not taken away manually are passed into the shooting sensor 34, and the equipment stops immediately Run, grab and put the unqualified product into the second unqualified product basket 42 .

Claims (20)

1. A conical spring preloading and detection integrated machine, including a workbench (1), characterized in that two sets of conical spring conveying devices parallel to each other are installed on the workbench (1), corresponding to each set of The conical spring conveying device is equipped with a pre-pressure detection and unqualified product rejection device and a concentricity detection and unqualified product rejection device in turn along the worktable (1) from left to right. 2. The conical spring preloading and testing integrated machine according to claim 1, characterized in that, the conical spring conveying device includes a motor reducer and a bracket assembly (26), a motor reducer and a bracket assembly (26) Fixedly installed on the right front side of the workbench (1), the motor reducer and bracket assembly (26) includes a pulley (27) at the output end of the reducer. 3. The conical spring preloading and testing integrated machine according to claim 2, characterized in that, the conical spring conveying device includes a chain transmission assembly, and the chain transmission assembly includes a driving shaft and a driving wheel (28), The drive shaft is installed on the workbench (1) on the right side of the motor reducer and bracket assembly (26), the drive shaft is equipped with a drive wheel (28), the drive wheel (28) and the output end pulley of the reducer (27 ) between the input power through the belt drive. 4. The conical spring preloading and testing integrated machine according to claim 3, characterized in that, the chain transmission assembly includes a driving sprocket, a chain (3), a driven sprocket (4) and a driven shaft ( 5), the driving shaft is equipped with a driving sprocket, the driven shaft (5) is installed on the left side of the workbench (1), and the driven shaft (5) is equipped with a driven sprocket (4), the driving sprocket It is connected with the driven sprocket (4) through the chain (3). 5. The conical spring preloading and testing integrated machine according to claim 4, characterized in that, a sprocket adjustment assembly (33) is installed on the left front side of the workbench (1). 6 . The conical spring preloading and testing integrated machine according to claim 4 , wherein a number of spring positioning fixtures ( 2 ) that are adjacent to each other and closely arranged are fixedly installed on the chain ( 3 ). 7. The conical spring preloading and testing integrated machine according to claim 1, characterized in that, the spring positioning fixture (2) includes a fixture backing plate (6) and a fixture connecting plate (7). 8. The conical spring preloading and testing integrated machine according to claim 7, characterized in that a roller bracket (8) is installed on the workbench (1), and several rollers (9) are installed on the roller bracket (8) , an active connection is formed between the bottom of the spring positioning fixture (2) and the roller (9). 9. The conical spring preloading and detection integrated machine according to claim 1, characterized in that, the device for preloading detection and rejecting unqualified products includes a preloading bracket (11), on which the preloading bracket (11) automatically From left to right, the first indenter assembly, the second indenter assembly and the first rejecting assembly are fixedly installed. 10. The conical spring preloading and detection integrated machine according to claim 1, characterized in that, the concentricity detection and unqualified product rejection device includes a concentricity detection bracket (31), a concentricity detection bracket (31) The concentricity image detection component (23) and the second unqualified product rejection component are fixedly installed in sequence from left to right. 11. The conical spring preloading and testing integrated machine according to claim 9, characterized in that, the first indenter assembly includes a first indenter (12) and a first sensor-equipped cylinder (13), the first A pressure head (12) is connected with the first air cylinder (13) with sensor. 12. The conical spring preloading and testing integrated machine according to claim 9, characterized in that, the second indenter assembly includes a displacement sensor (14), a second indenter (15), a pressure sensor (16) And the second sensor cylinder (17), the front end of the second pressure head (15) is equipped with a displacement sensor (14), the rear end of the second pressure head (15) is equipped with a pressure sensor (16), the second pressure head (15) is connected with the second band sensor cylinder (17). 13. The conical spring preloading and testing integrated machine according to claim 9, characterized in that, the first defective product rejecting assembly includes a first guide rail (43), on which a first guide rail (43) is fitted. One unqualified product rejects the slide plate support (18), and the first unqualified product rejects the slide plate support (18) and is fixedly installed with the third band sensor cylinder (19), the first guide rod (20), the first band sensor gas cylinder Claw (24), the first air claw fixture (25) and the first horizontal longitudinal cylinder with sensor, the front end of the first sensor air claw (24) is connected with the first air claw fixture (25), the first belt The rear end of the sensor air claw (24) is connected with the third band sensor cylinder (19). 14. The conical spring preloading and testing integrated machine according to claim 13, characterized in that, a first defective product basket (32) is arranged below the first air claw clamp (25). 15. The conical spring preloading and detection integrated machine according to claim 10, characterized in that the concentricity image detection component (23) includes a guide post (21), a concentricity image detection instrument mounting plate (22) and a concentricity A concentricity image detector installation plate (22) is installed on the front of the guide post (21), and the concentricity image detector installation plate (22) is equipped with the concentricity image detector. 16. The conical spring preloading and testing integrated machine according to claim 10, characterized in that, the second defective product rejecting assembly includes a second guide rail (30), on which the second guide rail (30) is fitted with a first The second unqualified product rejects the skateboard bracket (36), and the second unqualified product is rejected. Claw (39), the second air claw clamp (40) and the second horizontal longitudinal sensor cylinder (29), the front end of the second sensor air claw (39) is connected with the second air claw clamp (40), The rear end of the second band sensor air claw (39) is connected with the fifth band sensor cylinder (37). 17. The conical spring preloading and testing integrated machine according to claim 10, characterized in that, a second defective product basket (42) is arranged below the second air claw clamp (40). 18. The conical spring preloading and testing integrated machine according to claim 10, characterized in that a zero point sensor is set on the workbench (1) corresponding to the position of the concentricity testing and rejecting device (35). 19. The conical spring preloading and detection integrated machine according to claim 1, characterized in that, the right end of the conical spring conveying device is provided with a shooting sensor (34). 20. The conical spring preloading and testing integrated machine according to claim 1, characterized in that it includes a PLC (10).