Workbench for PCB (printed circuit board) detection

Abstract

The utility model relates to the technical field of workbenches, and discloses a PCB circuit board detection workbench comprising a placing bench, the upper surface of the placing bench is fixedly connected with a second clamping plate, the upper surface of the placing bench is provided with a first clamping plate, the placing bench is internally provided with two first chutes, two second chutes and two first installation grooves, and the first installation grooves are provided with two second installation grooves. A connecting block is installed in the first sliding groove, and the top of the connecting block is fixedly connected to the bottom of a first clamping plate. According to the PCB clamping device, the second pushing plate is pushed to enable the first pushing plate to extrude the spring, the second pushing plate is pushed leftwards and rightwards, then the other side of the PCB is extruded and clamped, the second pushing plate is loosened, and through the arrangement of the spring and a first rubber pad, the position of the first clamping plate is effectively fixed; therefore, the two sides of PCBs of different sizes can be clamped and fixed, the structure is stable, and the PCBs are not prone to slipping off.

Description

Technical Field

[0001] The utility model relates to the technical field of workbenches, in particular to a workbench for detecting PCB circuit boards. Background Art

[0002] PCB is a printed circuit board, which is a substrate used to support and connect electronic components. It is commonly used in various electronic devices, such as computers, mobile phones, and televisions. PCB circuit boards are usually composed of one or more conductive layers, insulating layers, and connection holes. Their main functions are to provide mechanical support, electrical connection, and signal transmission. PCB circuit board inspection is the process of quality control and performance testing of printed circuit boards during the production process. This process aims to ensure that the PCB circuit boards function properly, have reliable connections, are free of defects, and meet specifications and quality standards. The PCB circuit board inspection workbench is a special equipment for inspecting and testing printed circuit boards. It provides a stable platform for supporting and placing PCB circuit boards, and is equipped with the necessary inspection tools and equipment for various types of inspection and testing.

[0003] After searching, a workbench for PCB circuit board detection is disclosed in the announcement number: CN211453716U, including a workbench body, a connecting plate is arranged on the surface of the workbench body, an inclined rod is arranged on the surface of the connecting plate, the other end of the inclined rod is fixed on the side wall of the workbench body, a supporting rotating column is inserted on the surface of the connecting plate, a limiting ring is sleeved on the rod body of the supporting rotating column, and the inclined rod runs through a rotating drum, and a placement groove is opened on the surface of the rotating drum; the beneficial effect is: a rotating drum is added to the outer side of the workbench for PCB circuit board detection proposed by the utility model, the rotating drum is supported by the supporting rotating column and restricted by the limiting ring, so the rotating drum can only rotate but not move, and the bottom surface of the placement groove opened on the surface of the rotating drum is inclined downward to prevent small tools placed inside from slipping out, and the small tools are placed in the rotating drum, which reduces the space occupied on the workbench and facilitates keeping the work surface clean.

[0004] Although the above application can place small tools in the rotating drum to reduce the space occupied on the workbench and keep the work surface clean, it is not possible to limit the position of circuit boards of different sizes. The circuit boards are prone to sliding during the inspection process, which is inconvenient for staff to inspect the circuit boards. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a workbench for PCB circuit board testing, aiming to improve the problem that the prior art cannot limit the position of circuit boards of different sizes, the circuit boards are prone to sliding during the testing process, and it is inconvenient for staff to test the circuit boards.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a workbench for PCB circuit board detection, comprising a placing table, the upper surface of the placing table is fixedly connected with the second clamping plate, the upper surface of the placing table is installed with the first clamping plate, the interior of the placing table is provided with two first slide grooves, two second slide grooves and two first mounting grooves, the interior of the placing table is provided with a connecting block, the top of the connecting block is fixedly connected to the bottom of the first clamping plate, the interior of the second slide groove is installed with a first mounting column, the top of the first mounting column is fixedly connected to the lower surface of the connecting block, the outer wall of the first mounting column is slidably connected with the first pushing plate, the outer wall of the first mounting column is fixedly connected with the supporting plate, the outer wall of the first mounting column is installed with a spring, one end of the spring is fixedly connected to the lower surface of the supporting plate, the other end of the spring is fixedly connected to the upper surface of the first pushing plate, the supporting plate, the first pushing plate and the spring are all installed in the first mounting groove, and a pushing mechanism is installed below the placing table.

[0007] Preferably, the pushing mechanism includes a second pushing plate, the outer wall of the second pushing plate is installed under the placing table, two connecting plates are fixedly connected to both sides of the upper surface of the second pushing plate, the upper surface of the connecting plate is fixedly connected to the lower surface of the first pushing plate, two third sliding grooves are opened on both sides of the interior of the placing table, and the outer wall of the connecting plate is installed inside the third sliding groove.

[0008] Preferably, a second mounting column is fixedly connected to the upper surface of the placement table, a fixing block is fixedly connected to the upper surface of the placement table, and an outer wall of the fixing block is fixedly connected to an outer wall of the second mounting column.

[0009] Preferably, a hydraulic rod is rotatably connected inside the second mounting column, an output end of the hydraulic rod is fixedly connected to the second rotating column, and both ends of the second rotating column are rotatably connected to the first mounting block.

[0010] Preferably, the outer wall of the first mounting block is rotatably connected to a rotating shaft, and the outer wall of the rotating shaft is fixedly connected to the outer wall of the second mounting column.

[0011] Preferably, one end of the first mounting block is fixedly connected to a first rotating column, one end of the first mounting block is mounted with a second mounting block, a second mounting groove is provided inside the second mounting block, and both ends of the first rotating column are rotatably connected to the inner wall of the second mounting groove.

[0012] Preferably, a second rubber pad is installed on one side of the second clamping plate that is close to the first clamping plate.

[0013] Preferably, a first rubber pad is installed on the lower surface of the first pushing plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, one side of the PCB circuit board to be detected is fitted with one side of the second clamping plate, and the second pushing plate is pushed upward to make the first pushing plate squeeze the spring, so that the first pushing plate leaves the inner bottom of the first mounting groove, and the second pushing plate is pushed left and right, thereby driving the first clamping plate to move left and right, and then the other side of the PCB circuit board can be squeezed and clamped, and the second pushing plate is released, and the spring has a certain tension, so that the first rubber pad can effectively increase the friction between the first pushing plate and the first mounting groove, thereby effectively fixing the position of the first clamping plate, so that PCB circuit boards of different sizes can be clamped and fixed on both sides, and the structure is stable and not easy to slip.

[0016] 2. In the utility model, by starting the hydraulic rod and then pushing the first mounting block to rotate with the rotating shaft as the axis, one end of the first mounting block can be controlled to rise or press down, and the upper surface of the PCB circuit board can be pressed and fixed, and the fixing effect is good. The second mounting block can be rotated on the first rotating column, so that the device is not affected by the different thicknesses of the PCB circuit board, and can adapt to PCB circuit boards of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a workbench for PCB circuit board testing proposed by the utility model;

[0018] Figure 2 A cross-sectional view of a placement table of a workbench for PCB circuit board testing proposed by the utility model;

[0019] Figure 3 A schematic diagram of a spring for a PCB circuit board detection workbench proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the first rotating column of the workbench for PCB circuit board detection proposed by the utility model.

[0021] Legend:

[0022] 1. Placement table; 2. First clamping plate; 3. First slide groove; 4. Second slide groove; 5. First mounting groove; 6. Connecting block; 7. First mounting column; 8. Support plate; 9. First push plate; 10. Spring; 11. Third slide groove; 12. Connecting plate; 13. Second push plate; 14. Second mounting column; 15. Fixed block; 16. Hydraulic rod; 17. First mounting block; 18. Rotating shaft; 19. First rotating column; 20. Second mounting block; 21. Second mounting groove; 22. First rubber pad; 23. Second clamping plate; 24. Second rubber pad; 25. Second rotating column. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. 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 embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-Figure 3 The utility model provides an embodiment: a workbench for PCB circuit board detection, including a placing table 1, a second clamping plate 23 is fixedly connected to the upper surface of the placing table 1, a first clamping plate 2 is installed on the upper surface of the placing table 1, two first slide grooves 3, two second slide grooves 4 and two first installation grooves 5 are provided inside the placing table 1, a connecting block 6 is installed inside the first slide groove 3, the top of the connecting block 6 is fixedly connected to the bottom of the first clamping plate 2, a first installation column 7 is installed inside the second slide groove 4, the top of the first installation column 7 is fixedly connected to the lower surface of the connecting block 6, the outer wall of the first installation column 7 is slidably connected to the first pushing plate 9, the outer wall of the first installation column 7 is fixedly connected to the support plate 8, and the outer wall of the first installation column 7 is installed with a spring 1 0, one end of the spring 10 is fixedly connected to the lower surface of the support plate 8, and the other end of the spring 10 is fixedly connected to the upper surface of the first push plate 9. The support plate 8, the first push plate 9 and the spring 10 are all installed inside the first installation groove 5. A pushing mechanism is installed below the placement table 1, and a first rubber pad 22 is installed on the lower surface of the first push plate 9. The pushing mechanism includes a second push plate 13, and the outer wall of the second push plate 13 is installed below the placement table 1. Two connecting plates 12 are fixedly connected to both sides of the upper surface of the second push plate 13, and the upper surface of the connecting plate 12 is fixedly connected to the lower surface of the first push plate 9. Two third slide grooves 11 are provided on both sides of the interior of the placement table 1, and the outer wall of the connecting plate 12 is installed inside the third slide groove 11.

[0025] Specifically, by pushing the second push plate 13, the connecting plate 12 can be driven to further push the first push plate 9 to move upward, squeezing the spring 10, and the first rubber pad 22 under the first push plate 9 leaves the inner bottom of the first mounting groove 5. Through the arrangement of the first slide groove 3, the second slide groove 4, the first mounting groove 5 and the third slide groove 11, the connecting block 6, the support plate 8, the first push plate 9 and the connecting plate 12 can slide inside the placement table 1, thereby facilitating the movement of the first clamping plate 2. By loosening the second push plate 13, the spring 10 has a certain tension, thereby pushing the first push plate 9 to move downward, so that the first rubber pad 22 under the first push plate 9 is close to the inner bottom of the first mounting groove 5. The arrangement of the first rubber pad 22 can increase the friction between the first push plate 9 and the first mounting groove 5, and the fixing effect is good through the tension of the spring 10.

[0026] Reference Figure 1 A second mounting column 14 is fixedly connected to the upper surface of the placement table 1 , a fixing block 15 is fixedly connected to the upper surface of the placement table 1 , and an outer wall of the fixing block 15 is fixedly connected to an outer wall of the second mounting column 14 .

[0027] Specifically, the fixing block 15 is triangular in shape, and supports and fixes the second mounting column 14 .

[0028] Reference Figure 4 The second mounting column 14 is rotatably connected to a hydraulic rod 16 inside, and the output end of the hydraulic rod 16 is fixedly connected to a second rotating column 25. Both ends of the second rotating column 25 are rotatably connected to a first mounting block 17. The outer wall of the first mounting block 17 is rotatably connected to a rotating shaft 18, and the outer wall of the rotating shaft 18 is fixedly connected to the outer wall of the second mounting column 14.

[0029] Specifically, the second mounting column 14 facilitates the installation of the hydraulic rod 16. By starting the hydraulic rod 16, the first mounting block 17 can be pushed to rotate around the rotating shaft 18, so that one end of the first mounting block 17 can be controlled to rise or press down.

[0030] One end of the first mounting block 17 is fixedly connected to a first rotating column 19 , and one end of the first mounting block 17 is installed with a second mounting block 20 . A second mounting groove 21 is provided inside the second mounting block 20 , and both ends of the first rotating column 19 are rotatably connected to the inner wall of the second mounting groove 21 .

[0031] Specifically, a protective pad is provided on the lower surface of the second mounting block 20 to avoid damage to the PCB circuit board. By rotating the second mounting block 20 on the first rotating column 19, the lower surface of the second mounting block 20 can always remain parallel to the upper surface of the placement table 1 and will not be affected by the different thicknesses of the PCB circuit board.

[0032] Reference Figure 1A second rubber pad 24 is installed on one side of the second clamping plate 23 and the first clamping plate 2 .

[0033] Specifically, the provision of the second rubber pad 24 is beneficial to improving the clamping effect between the second clamping plate 23 and the first clamping plate 2 and effectively preventing slipping.

[0034] Working principle: when the device is needed, the PCB circuit board to be detected is placed above the placement table 1, between the second clamping plate 23 and the first clamping plate 2, so that one side of the PCB circuit board is fitted with one side of the second clamping plate 23, and the second pushing plate 13 is pushed upward, so that the connecting plate 12 moves in the third slide groove 11, and then the first pushing plate 9 is pushed upward, and slides on the outer wall of the first mounting column 7, and the spring 10 is squeezed, so that the first rubber pad 22 under the first pushing plate 9 leaves the inner bottom of the first mounting groove 5, and the second pushing plate 13 is pushed left and right, so that the second pushing plate 13 can drive the connecting plate 12, the first pushing plate 9, the first mounting column 7 and the connecting block 6 to slide in the corresponding slide groove, and then the first clamping plate 2 can be driven to move left and right above the placement table 1, and then move to the other side of the PCB circuit board for squeezing and clamping, and the second pushing plate 13 is released, and the spring 10 has a certain tension, so as to push The first push plate 9 is moved downward, so that the first rubber pad 22 under the first push plate 9 is close to the inner bottom of the first mounting groove 5, thereby effectively fixing the position of the first clamping plate 2, so that PCB circuit boards of different sizes can be clamped on both sides, and the first mounting block 17 is pushed to rotate with the rotating shaft 18 as the axis by starting the hydraulic rod 16, so that one end of the first mounting block 17 can be controlled to rise or press down, and then the upper surface of the PCB circuit board can be pressed and fixed, and the fixing effect is good. The lower surface of the second mounting block 20 is provided with a protective pad to effectively avoid damage to the PCB circuit board. The second mounting block 20 can be rotated on the first rotating column 19, so that the lower surface of the second mounting block 20 can always be kept parallel to the upper surface of the placement table 1, and is not affected by the different thicknesses of the PCB circuit board. After the fixing is completed, the staff can finally detect the PCB circuit board to be detected through the PCB circuit board detection workbench.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A workbench for PCB circuit board testing, comprising a placement table (1), characterized in that: The upper surface of the placing platform (1) is fixedly connected to a second clamping plate (23), the upper surface of the placing platform (1) is installed with a first clamping plate (2), the interior of the placing platform (1) is provided with two first slide grooves (3), two second slide grooves (4) and two first mounting grooves (5), the interior of the first slide groove (3) is installed with a connecting block (6), the top of the connecting block (6) is fixedly connected to the bottom of the first clamping plate (2), the interior of the second slide groove (4) is installed with a first mounting column (7), the top of the first mounting column (7) is fixedly connected to the lower surface of the connecting block (6), and the upper surface of the first mounting column (7) is fixedly connected to the lower surface of the connecting block (6). The outer wall of the first mounting column (7) is slidably connected to a first pushing plate (9), the outer wall of the first mounting column (7) is fixedly connected to a supporting plate (8), the outer wall of the first mounting column (7) is installed with a spring (10), one end of the spring (10) is fixedly connected to the lower surface of the supporting plate (8), and the other end of the spring (10) is fixedly connected to the upper surface of the first pushing plate (9), the supporting plate (8), the first pushing plate (9) and the spring (10) are all installed inside the first mounting groove (5), and a pushing mechanism is installed below the placement table (1).

2. The PCB circuit board detection workbench according to claim 1, characterized in that: The pushing mechanism comprises a second pushing plate (13), the outer wall of the second pushing plate (13) is installed below the placing platform (1), two connecting plates (12) are fixedly connected to both sides of the upper surface of the second pushing plate (13), the upper surface of the connecting plate (12) is fixedly connected to the lower surface of the first pushing plate (9), two third sliding grooves (11) are provided on both sides of the interior of the placing platform (1), and the outer wall of the connecting plate (12) is installed inside the third sliding grooves (11).

3. The PCB circuit board detection workbench according to claim 2, characterized in that: The upper surface of the placement platform (1) is fixedly connected to a second mounting column (14), the upper surface of the placement platform (1) is fixedly connected to a fixing block (15), and the outer wall of the fixing block (15) is fixedly connected to the outer wall of the second mounting column (14).

4. The PCB circuit board detection workbench according to claim 3, characterized in that: The second mounting column (14) is rotatably connected to a hydraulic rod (16) inside, the output end of the hydraulic rod (16) is fixedly connected to a second rotating column (25), and both ends of the second rotating column (25) are rotatably connected to a first mounting block (17).

5. The PCB circuit board detection workbench according to claim 4, characterized in that: The outer wall of the first mounting block (17) is rotatably connected to a rotating shaft (18), and the outer wall of the rotating shaft (18) is fixedly connected to the outer wall of the second mounting column (14).

6. The PCB circuit board detection workbench according to claim 5, characterized in that: One end of the first mounting block (17) is fixedly connected to a first rotating column (19), one end of the first mounting block (17) is mounted with a second mounting block (20), a second mounting groove (21) is provided inside the second mounting block (20), and both ends of the first rotating column (19) are rotatably connected to the inner wall of the second mounting groove (21).

7. The PCB circuit board detection workbench according to claim 1, characterized in that: A second rubber pad (24) is installed on one side of the second clamping plate (23) that is close to the first clamping plate (2).

8. The PCB circuit board detection workbench according to claim 1, characterized in that: A first rubber pad (22) is installed on the lower surface of the first push plate (9).

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