Automatic assembly and qualification detection mechanism for plastic shell

Abstract

The utility model discloses an automatic assembly and qualification detection mechanism for plastic shells, which is characterized in that after PCBs (Printed Circuit Board) are placed in two plastic shells, the PCBs are pre-assembled, pre-assembled products are placed on a carrier plate through a guide block and are accurately positioned through a positioning pin, and whether products exist on the carrier plate or not can be detected through an inductive sensor; the mini air cylinder executes a carrier plate pushing command, the optoelectronic switch detects that the movable base and the carrier plate are pushed in place, the pulling air cylinder drives the pulling plate so that the hanging lugs on the two plastic shells can be automatically buckled, and the two-channel assembling mechanism and the laser displacement sensor are adopted for detecting whether assembling is qualified or not. The pneumatic mode is used, manpower loss is greatly saved, the uncertainty of manual operation is reduced, the testing efficiency is greatly improved, the qualified rate of product assembly is improved through detection of the laser displacement sensor, the situation that manual assembly and manual detection are not in place is avoided, and therefore the situation that the product yield is reduced due to poor installation is avoided to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection and testing, and specifically relates to an automatic assembly and qualified detection mechanism for a plastic shell. Background Art

[0002] At present, there is some automatic assembly when assembling plastic shells, but the structure is complex and the assembly efficiency is low. Some use manual assembly, which has a large labor intensity and low assembly efficiency. Manual inspection may also be incomplete. Content of the Utility Model

[0003] To solve the defects existing in the prior art, the utility model provides an automatic assembly and qualified detection mechanism for a plastic shell.

[0004] To solve the above technical problems, the utility model provides the following technical solutions:

[0005] An automatic assembly and qualified detection mechanism for a plastic shell of the utility model includes an assembly machine body and a workbench arranged inside the assembly machine body. Two assembly mechanisms for assembling two plastic shells are arranged at the top end of the workbench. The assembly mechanism includes a moving seat arranged at the top end of the workbench. A mini cylinder for driving the moving seat to move is installed on the workbench. A carrier plate is arranged at the top end of the moving seat. Two plastic shells are connected to the top end of the carrier plate through a positioning component. A buckling hanging ear is arranged at the connection part of the two plastic shells. Two photoelectric switches are arranged on the workbench. A pressing cylinder vertically upward is installed at the top end of the workbench. A pressing plate is arranged at the top end of the pressing cylinder. A pulling cylinder is installed at the top end of the pressing plate. The output shaft of the pulling cylinder is connected to a pulling plate.

[0006] As a preferred technical solution of the utility model, code scanners are installed on both sides of the front end of the assembly machine body.

[0007] As a preferred technical solution of the utility model, an induction sensor is embedded at the top end of the workbench.

[0008] As a preferred technical solution of the utility model, a first slide rail is arranged at the top end of the workbench. A first slider that matches and slides with the first slide rail is arranged at the bottom end of the moving seat.

[0009] As a preferred technical solution of the utility model, the positioning component includes four L-shaped guiding blocks arranged at the corner of the top end of the carrier plate.

[0010] As a preferred technical solution of the utility model, the positioning component further includes two positioning pins arranged at the top end of the carrier plate. Positioning holes that match the positioning pins are arranged on both sides of the plastic shell.

[0011] As a preferred technical solution of the present utility model, two elastic pressing blocks and a plurality of height-limiting columns are installed at the bottom end of the pressing plate, and a reinforcing plate is provided at the top end of the pressing plate.

[0012] A qualified detection mechanism for a plastic shell includes the above-mentioned automatic assembly mechanism for a plastic shell. An adjusting block is provided at the top end of the pressing plate, and a laser displacement sensor is installed on the adjusting block through bolts.

[0013] As a preferred technical solution of the present utility model, a side-inserted probe test assembly is provided on the workbench. The side-inserted probe test assembly includes an adjusting cylinder provided at the bottom of the workbench. The output shaft of the adjusting cylinder is connected to a movable seat, and a probe is provided on the movable seat.

[0014] As a preferred technical solution of the present utility model, two second slide rails are provided at the top end of the workbench. Second sliders matching the second slide rails are provided on the movable seat, and a through hole for the movable seat to pass through is provided on the workbench.

[0015] The beneficial effects of the present utility model are as follows:

[0016] For this automatic assembly and qualified detection mechanism for a plastic shell, after the PCB is placed into two plastic shells and pre-assembled, the pre-assembled product is placed on the carrier plate through the guiding block, accurately positioned through the positioning pins, and it can be detected whether there is a product on the carrier plate through the induction sensor. The mini cylinder executes the command to push the carrier plate. The photoelectric switch detects that the moving seat and the carrier plate are pushed in place. The pulling cylinder drives the pulling plate to automatically buckle the hanging ears on the two plastic shells. The assembly mechanism with two channels and the laser displacement sensor are used to detect whether the assembly is qualified. Using the pneumatic form greatly saves labor loss and reduces the uncertainty of manual operation, greatly improving the test efficiency. The detection by the laser displacement sensor improves the qualified rate of product assembly, avoiding the situation of inaccurate manual assembly and manual detection, thereby maximizing the avoidance of the decrease in product yield caused by poor installation. Description of the Drawings

[0017] The drawings are used to provide further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0018] Figure 1 is a structural schematic diagram of an automatic assembly and qualified detection mechanism for a plastic shell of the present utility model;

[0019] Figure 2 is a structural schematic diagram of an automatic assembly and qualified detection mechanism for a plastic shell of the present utility model;

[0020] Figure 3It is a schematic structural diagram of a positioning component of an automatic assembly and qualified detection mechanism for a plastic shell of the present utility model;

[0021] Figure 4 It is a schematic structural diagram of the connection structure between a carrier plate and a guiding block of an automatic assembly and qualified detection mechanism for a plastic shell of the present utility model;

[0022] Figure 5 It is a schematic structural diagram of an automatic assembly and qualified detection mechanism for a plastic shell of the present utility model.

[0023] In the figure: 1. Assembly body; 2. Workbench; 3. Moving seat; 4. Miniature cylinder; 5. Carrier plate; 6. Positioning component; 7. Photoelectric switch; 8. Pressing cylinder; 9. Pressing plate; 10. Pulling cylinder; 11. Pulling plate; 12. Scanning gun; 13. Inductive sensor; 14. First slide rail; 15. First slider; 16. Guiding block; 17. Positioning pin; 18. Elastic pressing block; 19. Height limiting column; 20. Reinforcing plate; 21. Adjusting block; 22. Laser displacement sensor; 23. Adjusting cylinder; 24. Movable seat; 25. Probe; 26. Second slide rail; 27. Second slider. Specific embodiments

[0024] The following is a description of the preferred embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not intended to limit the present utility model.

[0025] Embodiment: As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , an automatic assembly and qualified detection mechanism for a plastic shell of the present utility model includes an assembly body 1 and a workbench 2 provided inside the assembly body 1. Two assembly mechanisms for assembling two plastic shells are provided at the top of the workbench 2. The assembly mechanism includes a moving seat 3 provided at the top of the workbench 2. A miniature cylinder 4 for driving the movement of the moving seat 3 is installed on the workbench 2. A carrier plate 5 is provided at the top of the moving seat 3. Two plastic shells are connected to the top of the carrier plate 5 through a positioning component 6. Buckling lugs are provided at the connection part of the two plastic shells. Two photoelectric switches 7 are provided on the workbench 2. A pressing cylinder 8 is installed vertically upward at the top of the workbench 2. A pressing plate 9 is provided at the top of the pressing cylinder 8. A pulling cylinder 10 is installed at the top of the pressing plate 9. The output shaft of the pulling cylinder 10 is connected to a pulling plate 11.

[0026] Among them, scanning guns 12 are installed on both sides of the front end of the assembly body 1. A person can hold the PCB and place it at the scanning gun 12 for scanning and identification.

[0027] Among them, an induction sensor 13 is embedded at the top of the workbench 2, which can detect whether there is a product on the carrier plate 5.

[0028] Among them, a first slide rail 14 is provided at the top of the workbench 2, and a first slider 15 that slidably matches the first slide rail 14 is provided at the bottom of the moving seat 3. When the moving seat 3 moves, the first slider 15 moves on the first slide rail 14, improving the stability of the movement of the moving seat 3.

[0029] Among them, the positioning assembly 6 includes four L-shaped guide blocks 16 provided at the corners of the top of the carrier plate 5, and the four guide blocks 16 can limit and guide the plastic shell.

[0030] Among them, the positioning assembly 6 further includes two positioning pins 17 provided on the top of the carrier plate 5. Positioning holes matching the positioning pins 17 are provided on both sides of the plastic shell. The cooperation of the positioning pins 17 and the positioning holes can quickly position the plastic shell.

[0031] Among them, two elastic pressing blocks 18 and a plurality of height-limiting columns 19 are installed at the bottom of the pressing plate 9. A reinforcing plate 20 is provided at the top of the pressing plate 9. The elastic pressing blocks 18 and the height-limiting columns 19 play a role in pressing the product and preventing the overpressure of the downward pressing cylinder 8. The reinforcing plate 20 increases the strength of the pressing plate 9.

[0032] Among them, an adjusting block 21 is provided at the top of the pressing plate 9. A laser displacement sensor 22 is installed on the adjusting block 21 through bolts, and the angle and height can be adjusted. The bolts are divided into a positioning bolt and a locking bolt. An arc-shaped groove centered on the positioning bolt is provided on the adjusting block 21, and locking with the locking bolt can complete the adjustment.

[0033] Among them, a side-insert probe test assembly is provided on the workbench 2. The side-insert probe test assembly includes an adjusting cylinder 23 provided at the bottom of the workbench 2. The output shaft of the adjusting cylinder 23 is connected to a movable seat 24, and a probe 25 is provided on the movable seat 24. After the laser displacement sensor 22 detects that the product length is completed, the side-insert probe 25 test assembly is pushed in, and the probe 25 contacts the product for testing.

[0034] Among them, two second slide rails 26 are provided at the top of the workbench 2, and a second slider 27 that slidably matches the second slide rails 26 is provided on the movable seat 24. A through hole for the movable seat 24 to pass through is provided on the workbench 2. When the movable seat 24 moves, the second slider 27 moves on the second slide rails 26, improving the stability of the movement of the movable seat 24.

[0035] During operation, for this plastic housing automatic assembly and qualification detection mechanism, after placing the PCB into two plastic housings and pre-assembling them, the pre-assembled product is placed on the carrier plate 5 through the guiding block 16, accurately positioned through the positioning pin 17. The induction sensor 13 can detect whether there is a product on the carrier plate 5. The mini cylinder 4 executes the command to push the carrier plate 5. The photoelectric switch 7 detects that the moving seat 3 and the carrier plate 5 are pushed in place. The pulling cylinder 10 drives the pulling plate 11 to automatically fasten the lugs on the two plastic housings. An assembly mechanism with two channels and a laser displacement sensor 22 are used to detect whether the assembly is qualified. Using the pneumatic form greatly saves labor loss and reduces the uncertainty of manual operation, greatly improving the test efficiency. The laser displacement sensor 22 improves the qualification rate of product assembly, avoiding the situation of in-place manual assembly and undetected manual inspection, thus maximizing the avoidance of the decrease in product yield caused by poor installation.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A plastic shell automatic assembly and quality inspection mechanism, comprising an assembly body (1) and a workbench (2) arranged inside the assembly body (1), characterized in that: The top of the workbench (2) is provided with two assembly mechanisms for assembling two plastic shells; The assembly mechanism comprises a moving seat (3) arranged at the top of a workbench (2); a mini cylinder (4) for driving the moving seat (3) to move is installed on the workbench (2); a carrier plate (5) is provided at the top of the moving seat (3); the top of the carrier plate (5) is connected to two plastic shells via a positioning component (6); the connection between the two plastic shells is provided with a buckle hook; and two photoelectric switches (7) are provided on the workbench (2); a vertical upward pressing cylinder (8) is installed at the top of the workbench (2); a pressing plate (9) is provided at the top of the pressing cylinder (8); a pulling cylinder (10) is installed at the top of the pressing plate (9); and the output shaft of the pulling cylinder (10) is connected to the pulling plate (11).

2. A plastic housing automatic assembly and qualified detection mechanism according to claim 1, characterized in that: Barcode scanning guns (12) are installed on both sides of the front end of the assembly body (1).

3. The automatic assembly and qualified testing mechanism for plastic shells according to claim 1, characterized in that: An induction sensor (13) is embedded on the top of the workbench (2).

4. The automatic assembly and qualified testing mechanism for plastic housing according to claim 1, characterized in that: The top end of the workbench (2) is provided with a first slide rail (14), and the bottom end of the movable seat (3) is provided with a first sliding block (15) which is matched with the first slide rail (14) and slides.

5. The automatic assembly and qualified testing mechanism for plastic housing according to claim 1, characterized in that: The positioning assembly (6) comprises four L-shaped guide blocks (16) arranged at the top corners of the carrier plate (5).

6. The automatic assembly and qualified testing mechanism for plastic housing according to claim 5, characterized in that: The positioning assembly (6) further comprises two positioning pins (17) arranged at the top of the carrier plate (5), and positioning holes matching the positioning pins (17) are provided on both sides of the plastic housing.

7. The automatic assembly and qualified testing mechanism for plastic housing according to claim 1, characterized in that: Two elastic pressing blocks (18) and a plurality of height-limiting columns (19) are installed at the bottom end of the pressing plate (9), and a reinforcing plate (20) is provided at the top end of the pressing plate (9).

8. The automatic assembly and qualified testing mechanism for plastic housing according to claim 1, characterized in that: An adjustment block (21) is provided at the top end of the pressure plate (9), and a laser displacement sensor (22) is mounted on the adjustment block (21) via bolts.

9. The automatic assembly and qualified testing mechanism for plastic housing according to claim 1, characterized in that: The workbench (2) is provided with a side-insertion probe test assembly, which comprises an adjustment cylinder (23) arranged at the bottom of the workbench (2), the output shaft of the adjustment cylinder (23) being connected to a movable seat (24), and the movable seat (24) being provided with a probe (25).

10. The automatic assembly and qualified testing mechanism for plastic shells according to claim 9, characterized in that: Two second slide rails (26) are provided at the top of the workbench (2), a second slide block (27) matching the second slide rails (26) is provided on the movable seat (24), and a through hole is provided on the workbench (2) for the movable seat (24) to pass through.

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