Key assembly testing machine

Abstract

The utility model discloses a key assembling and testing machine, which comprises a case formed by an upper rack and a lower rack, a pressing plate module and a carrier transferring module which are arranged in the upper rack, and a key pulling module and a visual detection module which are arranged in the lower rack, a key pulling test station A and a key pulling test station B are arranged between the feeding station and the discharging station, and a carrier moves among the stations through a carrier transferring module. The key assembling detection device has the advantages that the quality of the key is judged by pulling the fixed stroke of the four corners of the key in cooperation with visual detection, the requirement for detecting poor key assembling can be met, production merchants are helped to improve the product quality, the production cost is reduced, and the introduction difficulty of automation in the later period is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of key testing, in particular to a key assembly testing machine. Background Art

[0002] In today's information-based society, all kinds of electronic devices have buttons for users to operate, and the quality of button assembly directly affects the quality and service life of the buttons. In the prior art, the test equipment for button assembly effects generally uses a suction cup to absorb the buttons, but the control accuracy of the suction force of the suction cup is relatively difficult. For products with more buttons, air path control is even more difficult, and the test results are even less accurate. In the later stage, personnel or visual inspection machines are required to detect the flatness of the buttons to ensure the quality of the products. In addition, the structure of this type of equipment is complex, which is not conducive to later maintenance, thereby increasing maintenance costs and working hours, and is also not conducive to realizing the automation of the mechanical action of the button test. Therefore, a new technical solution should be provided to solve the above problems. Utility Model Content

[0003] In order to solve the above existing technical problems, the utility model provides a machine that pulls the four corners of the key to fix the stroke and cooperates with visual inspection to judge the quality of the key. It meets the detection of poor key assembly, helps manufacturers improve product quality and reduce costs, and reduces the difficulty of later automation introduction.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A key assembly test machine comprises a chassis composed of an upper frame and a lower frame, a pressure plate module and a carrier transfer module arranged inside the upper frame, and a key pull module and a visual inspection module arranged inside the lower frame. A loading station and a unloading station are arranged inside the upper frame, and a key pull test station A and a key pull test station B are arranged between the loading station and the unloading station. The carrier moves between the stations through the carrier transfer module.

[0006] The pressing plate module includes a pressing module and a pushing module, the pressing module includes a pressing cylinder and a pressing plate, the cylinder body of the pressing cylinder is installed on the supporting frame, the cylinder rod of the pressing cylinder is fixedly connected with the pressing plate to drive the pressing plate to rise or fall, the pushing module includes a pushing cylinder and a cylinder pushing plate, the pushing cylinder is fixedly installed on the supporting beam, the two ends of the supporting beam are respectively fixedly installed on the upper frame, the cylinder pushing plate is installed on the supporting frame, the pushing cylinder drives the pressing module to move forward and backward on the first linear guide through the cylinder pushing plate, and the first linear guide is fixedly installed on the large bottom plate;

[0007] The carrier transfer module is fixedly mounted on the large base plate, and includes a linear motor and a second linear guide rail. The linear motor is used to move the carrier plate mounted on the linear motor substrate and carrying the carrier to the top of the key fixture locking plate.

[0008] The key pulling module includes a motor, a reducer, a coupling, a left steering gear, a right steering gear, a linear module, and a third linear guide rail. The output shaft of the motor is connected to the reducer. The two ends of the output shaft of the reducer are respectively sleeved with a left steering gear and a right steering gear. The left steering gear and the right steering gear are respectively connected to the linear module. The two sides of the key pulling sliding plate are respectively fixed to the sliding seat of the linear module through fixing blocks. The linear module is fixedly installed on the supporting frame. The top end of the supporting frame is fixedly installed on the large bottom plate. The bottom end of the supporting frame is fixed on the supporting crossbeam. A key pulling fixture with multiple button hooks evenly distributed is installed on the key pulling sliding plate.

[0009] The visual inspection module includes several camera modules, which are installed on an XY slide mounting plate, and the XY slide mounting plate is fixed to a large base plate through an XY slide mounting plate fixing rod. The camera module includes a camera and a lens installed on the front end of the camera, and the camera is respectively connected to an adjustment plate and a slide, and the slide is fixed on a slide fixing seat. The adjustment plate is used to adjust the angle of the camera, and the slide is used to adjust the up and down position of the camera. The bottom end of the slide fixing seat is fixedly connected to the XY slide, and the XY slide is used to adjust the front, back, left and right positions of the camera. The XY slide is fixedly installed on the XY slide mounting plate.

[0010] Further technical solutions:

[0011] Buffers are respectively provided at both ends of the first linear guide rail.

[0012] The upper frame is provided with a touch screen connected with the PLC in the lower frame.

[0013] The upper frame is provided with a display connected with the upper processor.

[0014] The upper frame is also provided with a three-color lamp.

[0015] Safety gratings are respectively arranged on the upper frame near a loading station and a unloading station.

[0016] A plurality of retractable foot supports and rollers are arranged below the lower frame.

[0017] The key assembly test machine provided by the utility model has the following technical effects compared with the prior art:

[0018] 1. The key assembly tester of the utility model can judge the quality of keys by pulling the four corners of the keys to fix the stroke and cooperating with visual inspection. It can meet the detection of poor key assembly, help manufacturers improve product quality, reduce production costs, and reduce the difficulty of later automation introduction.

[0019] 2. The button assembly test machine of the utility model adopts a linear motor with fast working speed, high sensitivity, good tracking effect, stable running state and high positioning accuracy to transfer products, which reduces the working cycle and improves work efficiency.

[0020] 3. The key assembly tester of the utility model adopts a visual inspection module that can automatically adjust the position to replace manual or traditional visual inspection mechanisms to judge the inspection results. It is not only highly accurate, but also highly automated, which reduces manpower and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 This is a structural schematic diagram of the utility model without the chassis.

[0024] Figure 3 for Figure 2 Schematic diagram of the structure in another direction.

[0025] Figure 4 It is a schematic diagram of the pressure plate module structure.

[0026] Figure 5 This is a schematic diagram of the structure of the carrier transfer module.

[0027] Figure 6 It is a schematic diagram of the key module structure.

[0028] Figure 7 This is a schematic diagram of the visual detection module structure.

[0029] In the above figure: 1, upper frame, 1-1, pressure plate module, 1-1-1, lower pressure cylinder, 1-1-2, push cylinder, 1-1-3, pressure plate, 1-1-4, cylinder push plate, 1-1-5, first linear guide, 1-1-6, buffer, 1-1-7, support frame, 1-1-8, support beam, 1-2, carrier transfer module, 1-2-1, large base plate, 1-2-2, linear motor, 1-2-3, linear motor substrate, 1-2-4, second linear guide, 1-2-5, carrier carrier plate, 1-2-6, carrier, 1-2-7, key fixture lock plate, 2, lower frame, 2-1, key module, 2-1-1, motor, 2-1-2, reducer, 2-1-3, coupling, 2 -1-4, left steering gear, 2-1-5, right steering gear, 2-1-6, linear module, 2-1-7, pull key sliding plate, 2-1-8, support beam, 2-1-9, support stand, 2-1-10, third linear guide, 2-2, visual inspection module, 2-2-1, XY slide mounting plate, 2-2-2, XY slide mounting plate fixing rod, 2-2-3, camera, 2-2-4 lens, 2-2-5, adjustment plate, 2-2-6, slide, 2-2-7, XY slide, 2-2-8, slide fixing seat, 3, three-color light, 4, touch screen, 5, display, 6, safety grating, 7, foot support, 8, roller, 9, emergency stop button, 10, start button, 11, fan, 12, power switch. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0031] like Figure 1-7 As shown in the figure as the first embodiment of the utility model, the utility model is a key assembly test machine, including a chassis composed of an upper frame 1 and a lower frame 2, a pressure plate module 1-1 and a carrier transfer module 1-2 arranged inside the upper frame 1, and a key pull module 2-1 and a visual inspection module 2-2 arranged inside the lower frame 2. A loading station and an unloading station are provided in the upper frame 1, and a key pull test station A and a key pull test station B are provided between the loading station and the unloading station. The carrier moves between the stations through the carrier transfer module 1-2.

[0032] The pressing plate module 1-1 includes a pressing module and a pushing module. The pressing module includes a pressing cylinder 1-1-1 and a pressing plate 1-1-3. The cylinder body of the pressing cylinder 1-1-1 is installed on the supporting frame 1-1-7. The cylinder rod of the pressing cylinder is fixedly connected to the pressing plate 1-1-3 to drive the pressing plate 1-1-3 to rise or fall. The pushing module includes a pushing cylinder 1-1-2 and a cylinder pushing plate 1-1-4. The pushing cylinder 1-1-2 is fixedly installed on the supporting beam 1-1-8. Both ends of the supporting beam 1-1-8 are respectively fixedly installed on the upper frame 1. The cylinder pushing plate 1-1-4 is installed on the supporting frame 1-1-7. The pushing cylinder 1-1-2 drives the pressing module to move forward and backward on the first linear guide rail 1-1-5 through the cylinder pushing plate 1-1-4. The first linear guide rail 1-1-5 is fixedly installed on the large base plate 1-2-1.

[0033] The carrier transfer module 1-2 is fixedly installed on the large base plate 1-2-1. The carrier transfer module 1-2 includes a linear motor 1-2-2 and a second linear guide rail 1-2-4. The linear motor 1-2-2 is used to move the carrier plate 1-2-5 with the carrier 1-2-6 installed on the linear motor substrate 1-2-3 to the top of the key fixture locking plate 1-2-7.

[0034] The key module 2-1 includes a motor 2-1-1, a reducer 2-1-2, a coupling 2-1-3, a left steering gear 2-1-4, a right steering gear 2-1-5, a linear module 2-1-6, and a third linear guide rail 2-1-10. The output shaft of the motor 2-1-1 is connected to the reducer 2-1-2. The two ends of the output shaft of the reducer 2-1-2 are respectively sleeved with a left steering gear 2-1-4 and a right steering gear 2-1-5. The left steering gear 2-1-4 and the right steering gear 2-1-5 are respectively The two sides of the key sliding plate 2-1-7 are respectively connected to the sliding seat of the linear module 2-1-6 through fixing blocks, and the linear module 2-1-6 is fixedly installed on the supporting frame 2-1-9. The top of the supporting frame 2-1-9 is fixedly installed on the large bottom plate 1-2-1, and the bottom of the supporting frame 2-1-9 is fixed on the supporting beam 2-1-8. A key pulling fixture with multiple key hooks evenly distributed is installed on the key sliding plate 2-1-7;

[0035] The visual inspection module 2-2 includes several camera modules, which are installed on the XY slide mounting plate 2-2-1. The XY slide mounting plate 2-2-1 is fixed to the large base plate through four XY slide mounting plate fixing round rods 2-2-2. The camera module includes a camera 2-2-3 and a lens 2-2-4 installed on the front end of the camera 2-2-3. The camera 2-2-3 is respectively connected to the adjustment plate 2-2-5 and the slide 2-2-6. The slide 2-2-6 is fixed on the slide fixing seat 2-2-8. The adjustment plate 2-2-5 is used to adjust the angle of the camera 2-2-3. The slide 2-2-6 is used to adjust the up and down position of the camera 2-2-3. The bottom end of the slide fixing seat 2-2-8 is fixedly connected to the XY slide 2-2-7. The XY slide 2-2-7 is used to adjust the front, back, left and right positions of the camera 2-2-3. The XY slide 2-2-7 is fixedly installed on the XY slide mounting plate 2-2-1. In this embodiment, the visual inspection module 2-2 takes four camera modules as an example, and the visual inspection module 2-2 is divided into two groups, front and back, and each group consists of two camera modules.

[0036] Preferably, as the second embodiment of the utility model, this embodiment is a further improvement on the first embodiment, and buffers 1-1-6 are respectively provided at both ends of the first linear guide rail 1-1-5. The buffers 1-1-6 can reduce the forward impact and recoil of the pressing module to assist the safe operation of the equipment.

[0037] Preferably, as the third embodiment of the utility model, this embodiment is a further limitation of the first embodiment. The upper frame 1 is provided with a touch screen 4 connected to the PLC in the lower frame 2. In this embodiment, the touch screen 4 is used to set the displacement distance, which is convenient for use and debugging, and reduces the difficulty of debugging when changing the machine model.

[0038] Preferably, as the fourth embodiment of the utility model, this embodiment is a further limitation of the above embodiment. The upper frame 1 is provided with a display 5 connected to the upper processor. In this embodiment, the display 5 is used to present the detection results directly to the user, which is more intuitive and convenient.

[0039] Preferably, as the fifth embodiment of the utility model, this embodiment is a further improvement of the above embodiment, and the upper frame 1 is also provided with a three-color light 3. In this embodiment, the three-color light 3 reflects the real-time status of the user's machine, red represents abnormality, yellow represents suspension and debugging, and green represents normal operation, which is convenient for personnel to perform visual management. In this embodiment, safety gratings 6 are respectively provided at positions near the loading station and the unloading station on the upper frame 1, and other various protection signal devices such as an emergency stop button 9 are also provided on the upper frame 1 to assist the safe operation of the machine.

[0040] Preferably, as the sixth embodiment of the utility model, this embodiment is a further improvement on the above embodiments, and a plurality of retractable foot supports 7 and rollers 8 are provided under the lower frame 2. When it is necessary to move, the rollers 8 are used to move it. When it is necessary to fix it, the foot supports 7 are stretched downward and fixed, so that the machine can be fixed. It is convenient and practical.

[0041] Preferably, as the seventh embodiment of the utility model, this embodiment is also a further improvement of the above embodiment. A fan 11 is provided on the lower frame 2. The fan 11 allows air to flow when the machine is working, forming convection, better heat dissipation, maintaining the stability of the machine temperature, avoiding failures caused by overheating, and effectively improving the performance and life of the machine. A power switch 12 is provided on the lower frame 2 to disconnect or connect the power supply, and can conveniently cut off the power supply of all circuits to ensure the safe operation of the machine.

[0042] The working process of the key assembly test machine of the utility model is as follows:

[0043] 1. First place the key product to be tested on the carrier 1-2-6, press the start button 10, and the PLC controls the linear motor 1-2-2 to move the transfer module to the key pull test station A;

[0044] 2. Push cylinder 1-1-2 pushes cylinder push plate 1-1-4 to push down module 1-1 to the top of station A. After receiving the PLC signal, down cylinder 1-1-1 presses down to press the key product tightly.

[0045] 3. The clamping signal is transmitted to the PLC, and the PLC controls the pull key module 2-1 to rise from the 0 position to the starting position;

[0046] 4. After receiving the signal from the key pulling module 2-1, the PLC controls the linear motor 1-2-2 to move the transfer module and move the product to the A station to be tested;

[0047] 5.PLC controls the pull key module 2-1 to descend and set the stroke;

[0048] 6.PLC transmits the signal to the host computer, which controls camera 2-2-3 to take pictures, compares the pictures taken with the OK pictures in the database, and screens out the bad phenomena according to the set ones;

[0049] 7. After receiving the signal that the photo is completed, the PLC controls the key module 2-1 to rise to the starting position, and the transfer module moves from the position to be tested to the A station;

[0050] 8. After receiving the signal, the PLC controls the downward pressure cylinder 1-1-1 to rise, pushing the cylinder to deflate, so that the downward pressure module retreats to the B station;

[0051] 9.PLC controls the linear motor 1-2-2 to move the transfer module to move the product to station B, and the downward pressure cylinder 1-1-1 receives the PLC signal to press down and compact the product;

[0052] 10. Repeat steps 3-6;

[0053] 11. The host computer integrates the comparison results of station A and station B through background calculation and displays them on display 5;

[0054] 12. After receiving the test completion signal, the PLC controls the key pulling module 2-1 to rise to the starting position, and the transfer module moves from the position to be tested to the B station;

[0055] 13. After receiving the signal, PLC controls the downward pressure cylinder 1-1-1 to rise;

[0056] 14. After receiving the signal, PLC controls the linear motor 1-2-2 to move the transfer module to move the product to the unloading position;

[0057] 15. After taking the product, the PLC controls the linear motor 1-2-2 to return the transfer module to the loading position.

[0058] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A key assembly test machine, characterized in that: The invention comprises a chassis consisting of an upper frame (1) and a lower frame (2), a pressure plate module (1-1) and a carrier transfer module (1-2) arranged inside the upper frame (1), and a key pull module (2-1) and a visual inspection module (2-2) arranged inside the lower frame (2); a loading station and a unloading station are arranged inside the upper frame (1); a key pull test station A and a key pull test station B are arranged between the loading station and the unloading station; the carrier moves between the stations via the carrier transfer module (1-2); The pressing plate module (1-1) comprises a pressing module and a pushing module, the pressing module comprises a pressing cylinder (1-1-1) and a pressing plate (1-1-3), the cylinder body of the pressing cylinder (1-1-1) is installed on a supporting frame (1-1-7), the cylinder rod of the pressing cylinder is fixedly connected to the pressing plate (1-1-3) to drive the pressing plate (1-1-3) to rise or fall, the pushing module comprises a pushing cylinder (1-1-2) and a cylinder pushing plate (1-1-4), the pushing cylinder ( The push cylinder (1-1-2) is fixedly mounted on the support beam (1-1-8), the two ends of the support beam (1-1-8) are respectively fixedly mounted on the upper frame (1), the cylinder push plate (1-1-4) is mounted on the support frame body (1-1-7), the push cylinder (1-1-2) drives the pressing module to move forward and backward on the first linear guide rail (1-1-5) through the cylinder push plate (1-1-4), and the first linear guide rail (1-1-5) is fixedly mounted on the large base plate (1-2-1); The carrier transfer module (1-2) is fixedly mounted on the large base plate (1-2-1), and the carrier transfer module (1-2) comprises a linear motor (1-2-2) and a second linear guide rail (1-2-4). The linear motor (1-2-2) is used to move a carrier carrier plate (1-2-5) mounted on a linear motor substrate (1-2-3) and carrying a carrier (1-2-6) to the top of a key fixture locking plate (1-2-7). The key pulling module (2-1) comprises a motor (2-1-1), a reducer (2-1-2), a coupling (2-1-3), a left steering gear (2-1-4), a right steering gear (2-1-5), a linear module (2-1-6), and a third linear guide rail (2-1-10). The output shaft of the motor (2-1-1) is connected to the reducer (2-1-2). The two ends of the output shaft of the reducer (2-1-2) are respectively sleeved with a left steering gear (2-1-4) and a right steering gear (2-1-5). The left steering gear (2-1-4) and the right steering gear (2-1-5) are 2-1-5) are respectively connected to the linear module (2-1-6), the two sides of the key sliding plate (2-1-7) are respectively fixed on the sliding seat of the linear module (2-1-6) through fixing blocks, the linear module (2-1-6) is fixedly installed on the supporting frame (2-1-9), the top end of the supporting frame (2-1-9) is fixedly installed on the large base plate (1-2-1), the bottom end of the supporting frame (2-1-9) is fixed on the supporting beam (2-1-8), and a key pull fixture with multiple key pull hooks evenly distributed is installed on the key pull sliding plate (2-1-7); The visual inspection module (2-2) comprises a plurality of camera modules, wherein the camera modules are mounted on an XY slide mounting plate (2-2-1), wherein the XY slide mounting plate (2-2-1) is fixed to a large base plate via an XY slide mounting plate fixing rod (2-2-2), wherein the camera module comprises a camera (2-2-3) and a lens (2-2-4) mounted on the front end of the camera (2-2-3), wherein the camera (2-2-3) is respectively connected to an adjustment plate (2-2-5) and a slide (2-2-6), wherein the slide (2 -2-6) is fixed on the slide fixing seat (2-2-8), the adjustment plate (2-2-5) is used to adjust the angle of the camera (2-2-3), the slide (2-2-6) is used to adjust the up and down position of the camera (2-2-3), the bottom end of the slide fixing seat (2-2-8) is fixedly connected to the XY slide (2-2-7), the XY slide (2-2-7) is used to adjust the front, back, left and right positions of the camera (2-2-3), and the XY slide (2-2-7) is fixedly installed on the XY slide mounting plate (2-2-1).

2. A key assembly tester according to claim 1, characterized in that: Buffers (1-1-6) are respectively provided at both ends of the first linear guide rail (1-1-5).

3. A key assembly tester according to claim 1, characterized in that: The upper frame (1) is provided with a touch screen (4) connected to the PLC in the lower frame (2).

4. A key assembly tester according to claim 2 or 3, characterized in that: The upper frame (1) is provided with a display (5) connected to the upper processor.

5. A key assembly tester according to claim 4, characterized in that: The upper frame (1) is also provided with a three-color lamp (3).

6. A key assembly tester according to claim 5, characterized in that: Safety gratings (6) are respectively provided on the upper frame (1) at positions close to a loading station and a unloading station.

7. A key assembly tester according to claim 6, characterized in that: A plurality of retractable foot supports (7) and rollers (8) are provided below the lower frame (2).

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