PCBA display screen and LED automatic confirmation tool

By designing the limit slots, insert plates and electric push rods of the automatic confirmation tooling, the problem of inconvenient fixture table replacement in the existing technology is solved, and the circuit board can be quickly fixed and efficiently detected.

CN223347000UActive Publication Date: 2025-09-16TRIVO TAICANG TECH CO LTD
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Patent Information

Application Number
CN202421964575.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-09-16
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

Existing PCBA display and LED inspection tooling requires frequent replacement of fixtures when dealing with circuit boards of different sizes and models. The fixtures and tooling are inconvenient to install and disassemble, and cannot effectively fix thin circuit boards.

Method used

An automatic confirmation tooling was designed, which included a detection tooling body, a fixture table, a replacement structure and a clamping structure. The fixture table was quickly disassembled through limit slots, plug-in plates, springs and push-pull blocks, and the circuit board was flexibly fixed by combining an electric push rod, an adjustment slot and a clamping pad.

Benefits of technology

It realizes the rapid replacement of the fixture table and the stable clamping of the circuit board, reduces manual operation, improves the accuracy and efficiency of detection, and reduces the possibility of human misjudgment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit board detection, and discloses a PCBA display screen and LED automatic confirmation tool. The PCBA display screen and LED automatic confirmation tool comprises a detection tool body, a mounting groove is formed in the top of the detection tool body, and an equipment frame is arranged at the top end of the detection tool body. According to the utility model, through arranging the push-pull block, the plug board, the spring and the positioning groove, when circuit boards of other models start to be detected, the push-pull block is extruded backwards, the push-pull block is stressed to drive the plug board at the bottom end to extrude the spring at the rear end to move backwards, when the push-pull block moves backwards, the plug board is pulled out from the positioning groove at the rear end of the clamp table, and after the plug board is completely pulled out, the clamp table is lifted up, so that the circuit boards are detected. The limiting groove at the bottom of the clamp table is pulled out from the outer side of the limiting block on the inner wall of the mounting groove, and after pulling out, the clamp table is separated from the mounting groove and then separated from the detection tool body, so that disassembly is completed, and other clamp tables and the mounting groove can be mounted and fixed.
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Description

Technical Field

[0001] The utility model relates to the technical field of circuit board detection, in particular to a PCBA display screen and LED automatic confirmation tool. Background Art

[0002] PCBA is the entire process of PCB blank board through SMT mounting or DIP plug-in. Printed circuit board, also known as: printed circuit board, printed circuit board, often uses the English abbreviation PCB, is an important electronic component, the support body of electronic components, and the provider of circuit connections for electronic components. Because it is made using electronic printing technology, it is called a "printed" circuit board. Display screens and LEDs are set on the printed circuit board and need to be tested.

[0003] Existing inspection tooling for PCBA displays and LEDs requires constant replacement of the fixture during use because circuit boards of different sizes and models need to be inspected. However, the fixture and tooling are generally installed with bolts, which makes disassembly inconvenient. Therefore, an automatic confirmation tooling for PCBA displays and LEDs is urgently needed. Utility Model Content

[0004] The purpose of the present utility model is to provide an automatic confirmation tool for PCBA display screens and LEDs to solve the problems of the existing detection tool for PCBA display screens and LEDs proposed in the above background art. During use, since circuit boards of different sizes and models need to be tested, the fixture table needs to be constantly replaced. However, the fixture table and the tool are generally installed with bolts, which is inconvenient to disassemble. In addition, the circuit boards cannot be effectively clamped and fixed due to their thin sides.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a PCBA display screen and LED automatic confirmation tool, including a detection tool body, a mounting groove is provided on the top of the detection tool body, and an equipment rack is provided on the top of the detection tool body, a fixture table is engaged with the inner side of the mounting groove, a replacement structure is provided at the rear end of the fixture table, and clamping structures are provided on both sides of the fixture table.

[0006] The replacement structure includes a limit groove, the inner side of the limit groove is engaged with a limit block, a positioning groove is opened at the rear end of the fixture table, a spring is provided on the inner side of the detection tool body, an insert plate is fixed to the end of the spring, and a push-pull block is provided on the top of the insert plate.

[0007] The clamping structure includes an adjustment groove, an equipment plate is arranged above the detection tool body, a mounting plate is connected to the right side of the equipment plate, and an electric push rod is engaged on the inner side of the equipment plate, an adjustment plate is provided at the output end of the electric push rod, a clamping plate is provided on the inner wall of the adjustment plate, a slide groove is engaged on the inner side of the clamping plate, a slider is provided at the end of the slide groove, and a clamping pad is provided on the outer wall of the slider.

[0008] Preferably, a detection mechanism is installed on the equipment frame, a handle is provided on the left side of the detection mechanism, a needle plate is movably provided at the bottom end of the handle, and a detection rod is provided at the bottom end of the needle plate.

[0009] Preferably, the limiting block is fixed to the inner wall of the installation slot, and the fixture table is connected to the installation slot by snapping together the limiting slot and the limiting block, and the inserting plate is connected to the positioning slot by snapping together the positioning slot.

[0010] Preferably, a movable groove matching the spring and the inserting plate is provided on the top of the detection tool body, and the fixture table and the detection tool body are fixed by engaging with the positioning groove, the inserting plate and the push-pull block.

[0011] Preferably, the adjustment slots are arranged at equal intervals on the top of the detection tool body, and there are two groups of adjustment slots. The equipment plate and the detection tool body are fixedly installed by means of a mounting plate, adjustment slots and bolts.

[0012] Preferably, the sliding groove is movably engaged with the slider, and the clamping plate and the adjusting plate are slidably connected through the sliding groove and the slider.

[0013] Preferably, the clamping plate and the adjusting plate are fixedly installed by bolts, and the clamping pad and the clamping plate are fixedly connected by glue, and a clamping groove is provided on the clamping pad.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0015] First, the utility model sets a push-pull block, an insert plate, a spring and a positioning groove. When starting to detect other types of circuit boards, the push-pull block is squeezed toward the rear side. After the push-pull block is subjected to force, it drives the insert plate at the bottom to squeeze the spring at the rear end and move toward the rear side. When moving backward, the insert plate is pulled out from the positioning groove at the rear end of the fixture table. After the insert plate is completely pulled out, the fixture table is lifted up so that the limit groove at the bottom of the fixture table is pulled out from the outside of the limit block on the inner wall of the installation groove. After being pulled out, the fixture table is separated from the installation groove and then from the main body of the detection tooling. Thus, the disassembly is completed and other fixture tables can be fixed to the installation groove.

[0016] Second, the utility model adjusts the positions of the two equipment plates according to the size of the circuit board and the position that needs to be clamped by setting an equipment plate, an adjustment slot, an electric push rod, an adjustment plate, a clamping plate and a clamping pad. The equipment plate is placed on one side of the adjustment slot at the corresponding position, and the mounting plate at the rear end of the equipment plate is aligned with the adjustment slot. Then, the bolts are tightened to fix the equipment plate and the detection tool body. After fixation, the height of the clamping pad is adjusted according to the height of the circuit board, and the clamping plate is pushed up and down on the adjustment plate through the slide slot and the slider to adjust the height. After adjustment, it can be fixed and installed by bolts, and the clamping pad is fixed after adjustment. At this time, the electric push rod is controlled to operate. After the two electric push rods operate, they drive the adjusting plate, the clamping plate and the clamping pad at the output end to move toward one side of the circuit board, and clamp the side of the circuit board through the engaging slot, so that the circuit board is fixed and can be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a side view of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the replacement structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the adjustment slot of the utility model;

[0021] Figure 5 This is a schematic diagram of the clamping structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the chute of the utility model.

[0023] Among them: 1. Inspection tooling body; 2. Fixture table; 3. Mounting slot; 4. Replacement structure; 401. Limiting slot; 402. Limiting block; 403. Positioning slot; 404. Insert plate; 405. Push-pull block; 406. Spring; 5. Clamping structure; 501. Adjusting slot; 502. Equipment plate; 503. Mounting plate; 504. Electric push rod; 505. Adjusting plate; 506. Clamping plate; 507. Slide slot; 508. Slider; 509. Clamping pad; 6. Equipment frame; 7. Inspection mechanism; 8. Handle; 9. Needle plate; 10. Inspection rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-3 A PCBA display screen and LED automatic confirmation tool, including a detection tool body 1, a mounting slot 3 is opened on the top of the detection tool body 1, and a device rack 6 is set on the top of the detection tool body 1, a fixture table 2 is engaged with the inner side of the mounting slot 3, a replacement structure 4 is set at the rear end of the fixture table 2, and a clamping structure 5 is set on both sides of the fixture table 2, the replacement structure 4 includes a limit slot 401, a limit block 402 is engaged with the inner side of the limit slot 401, and the rear end of the fixture table 2 is fixed with the clamping structure 5. A positioning groove 403 is provided, a spring 406 is provided on the inner side of the detection tool body 1, an insert plate 404 is fixed to the end of the spring 406, a push-pull block 405 is provided on the top of the insert plate 404, a detection mechanism 7 is installed on the equipment frame 6, a handle 8 is provided on the left side of the detection mechanism 7, a needle plate 9 is movably provided at the bottom end of the handle 8, a detection rod 10 is provided at the bottom end of the needle plate 9, a limit block 402 is fixed to the inner wall of the installation groove 3, and the fixture table 2 and the installation groove 3 are connected through the limit groove 4 01. The limit block 402 is connected by snapping, and the insert plate 404 is connected by snapping with the positioning groove 403. The top of the detection tool body 1 is provided with a movable groove that matches the spring 406 and the insert plate 404, and the fixture table 2 and the detection tool body 1 are fixed by the positioning groove 403, the insert plate 404 and the push-pull block 405. When starting to detect other types of circuit boards, the push-pull block 405 is squeezed to the rear side. After the push-pull block 405 is subjected to force, it drives the insert plate 404 at the bottom to squeeze the spring at the rear end. The spring 406 moves backward, and when it moves backward, the insert plate 404 is pulled out from the positioning groove 403 at the rear end of the fixture table 2. After the insert plate 404 is completely pulled out, the fixture table 2 is lifted up, so that the limit groove 401 at the bottom of the fixture table 2 is pulled out from the outside of the limit block 402 on the inner wall of the installation groove 3. After being pulled out, the fixture table 2 is separated from the installation groove 3, and then separated from the inspection tool body 1, so that the disassembly is completed, and other fixture tables 2 can be installed and fixed to the installation groove 3 to support other circuit boards.

[0026] See also Figure 4-6A PCBA display screen and LED automatic confirmation tooling, the clamping structure 5 includes an adjustment slot 501, a device plate 502 is set above the detection tooling body 1, the right side of the device plate 502 is connected to the mounting plate 503, and the inner side of the device plate 502 is clamped with an electric push rod 504, the output end of the electric push rod 504 is provided with an adjustment plate 505, the inner wall of the adjustment plate 505 is provided with a clamping plate 506, the inner side of the clamping plate 506 is clamped with a slide groove 507, the end of the slide groove 507 is provided with a slider 508, the slider The outer wall of 508 is provided with a clamping pad 509, and the adjustment grooves 501 are evenly spaced and opened at the top of the detection tool body 1, and the number of the adjustment grooves 501 is two groups. The equipment plate 502 and the detection tool body 1 are fixedly installed by the mounting plate 503, the adjustment groove 501 and the bolts. The slide 507 and the slider 508 are movably engaged, and the clamping plate 506 and the adjustment plate 505 are slidably connected by the slide 507 and the slider 508. The clamping plate 506 and the adjustment plate 505 are fixedly installed by bolts, and the clamping pad 509 and the clamping plate 506 are fixedly installed. The connection is fixed by glue, and a snap-fit ​​groove is opened on the clamping pad 509. First, adjust the position of the two device plates 502 according to the size of the circuit board and the position to be clamped, place the device plate 502 on one side of the adjustment groove 501 at the corresponding position, and align the mounting plate 503 at the rear end of the device plate 502 with the adjustment groove 501, and then tighten the bolts to fix the device plate 502 and the detection tool body 1. After fixing, adjust the height of the clamping pad 509 according to the height of the circuit board, and push the clamping plate 506 through The slide groove 507 and the slider 508 move up and down on the adjustment plate 505 to adjust the height. After adjustment, it can be fixed and installed by bolts, and the clamping pad 509 is fixed after adjustment. At this time, the electric push rod 504 is controlled to operate. The internal technology of the electric push rod 504 is the existing technology. After the two electric push rods 504 are operated, they drive the adjustment plate 505, the clamping plate 506 and the clamping pad 509 at the output end to move toward one side of the circuit board, and clamp the side of the circuit board through the locking groove, so that the circuit board is fixed and can be tested.

[0027] When in use, first adjust the positions of the two equipment plates 502 according to the size of the circuit board and the position to be clamped, place the equipment plate 502 on one side of the adjustment slot 501 at the corresponding position, and align the mounting plate 503 at the rear end of the equipment plate 502 with the adjustment slot 501, then tighten the bolts to fix the equipment plate 502 and the detection fixture body 1, and after fixing, adjust the height of the clamping pad 509 according to the height of the circuit board, push the clamping plate 506 through the slide slot 507 and the slider 508 on the adjustment plate 505 moves up and down to adjust the height. After adjustment, it can be fixed and installed by bolts. The clamping pad 509 is fixed after adjustment. At this time, the electric push rod 504 is controlled to operate. The internal technology of the electric push rod 504 is the existing technology. After the two electric push rods 504 operate, the adjustment plate 505, the clamping plate 506 and the clamping pad 509 at the output end are driven to move to one side of the circuit board, and the side of the circuit board is clamped and engaged through the engaging groove, so that the circuit board is fixed and can be tested. The staff drives the needle through the handle 8 The plate 9 moves down, and after the needle plate 9 moves down, the detection rod 10 at its bottom contacts the display screen and LED on the circuit board, and is detected by the detection mechanism 7, and a camera is used to take pictures of the product LED and display screen, and compared with the database. The program automatically determines that the detection tool automatically detects without missing any inspections, reducing human-computer interaction and thus reducing manpower, with high accuracy and low missed detection rate, avoiding human judgment errors or missed inspections. When starting to detect other types of circuit boards, the push-pull block 405 is squeezed to the rear side. After the push-pull block 405 is subjected to force, The insert plate 404 at the bottom is driven to squeeze the spring 406 at the rear end and move backward. When moving backward, the insert plate 404 is pulled out from the positioning groove 403 at the rear end of the fixture table 2. After the insert plate 404 is completely pulled out, the fixture table 2 is lifted up, so that the limit groove 401 at the bottom of the fixture table 2 is pulled out from the outside of the limit block 402 on the inner wall of the installation groove 3. After being pulled out, the fixture table 2 is separated from the installation groove 3, and then separated from the inspection tool body 1, so that the disassembly is completed, and other fixture tables 2 can be installed and fixed to the installation groove 3 to support other circuit boards.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit thereof, and the scope is defined by the appended claims and their equivalents.

Claims

1. A PCBA display screen and LED automatic confirmation tool, comprising a detection tool body (1), characterized in that: The top of the detection tool body (1) is provided with a mounting groove (3), and the top of the detection tool body (1) is provided with an equipment rack (6), the inner side of the mounting groove (3) is engaged with a fixture table (2), the rear end of the fixture table (2) is provided with a replacement structure (4), and both sides of the fixture table (2) are provided with clamping structures (5); The replacement structure (4) includes a limit groove (401), the inner side of the limit groove (401) is engaged with a limit block (402), the rear end of the fixture table (2) is provided with a positioning groove (403), the inner side of the detection tool body (1) is provided with a spring (406), the end of the spring (406) is fixed with an inserting plate (404), and the top of the inserting plate (404) is provided with a push-pull block (405); The clamping structure (5) includes an adjustment groove (501), an equipment plate (502) is provided above the detection tool body (1), a mounting plate (503) is connected to the right side of the equipment plate (502), and an electric push rod (504) is engaged on the inner side of the equipment plate (502), an adjustment plate (505) is provided at the output end of the electric push rod (504), a clamping plate (506) is provided on the inner wall of the adjustment plate (505), a slide groove (507) is engaged on the inner side of the clamping plate (506), a slider (508) is provided at the end of the slide groove (507), and a clamping pad (509) is provided on the outer wall of the slider (508).

2. The PCBA display screen and LED automatic confirmation tool according to claim 1, characterized in that: A detection mechanism (7) is installed on the equipment frame (6), a handle (8) is provided on the left side of the detection mechanism (7), a needle plate (9) is movably provided at the bottom end of the handle (8), and a detection rod (10) is provided at the bottom end of the needle plate (9).

3. The PCBA display screen and LED automatic confirmation tool according to claim 1, characterized in that: The limiting block (402) is fixed to the inner wall of the installation groove (3), and the fixture table (2) and the installation groove (3) are connected by snapping together through the limiting groove (401) and the limiting block (402), and the inserting plate (404) is connected by snapping together with the positioning groove (403).

4. The PCBA display screen and LED automatic confirmation tool according to claim 1, characterized in that: The top of the detection tool body (1) is provided with a movable groove matching the spring (406) and the insert plate (404), and the fixture table (2) and the detection tool body (1) are fixed by the positioning groove (403), the insert plate (404) and the push-pull block (405).

5. The PCBA display screen and LED automatic confirmation tool according to claim 1, characterized in that: The adjustment slots (501) are arranged at equal intervals on the top of the detection tool body (1), and the number of the adjustment slots (501) is two groups. The equipment plate (502) and the detection tool body (1) are fixedly mounted via the mounting plate (503), the adjustment slots (501) and bolts.

6. The PCBA display screen and LED automatic confirmation tool according to claim 1, characterized in that: The sliding groove (507) and the slider (508) are movably engaged, and the clamping plate (506) and the adjustment plate (505) are slidably connected via the sliding groove (507) and the slider (508).

7. The PCBA display screen and LED automatic confirmation tool according to claim 1, characterized in that: The clamping plate (506) and the adjusting plate (505) are fixedly installed by bolts, and the clamping pad (509) and the clamping plate (506) are fixedly connected by glue, and the clamping pad (509) is provided with a snap-fitting groove.