PCB (Printed Circuit Board) test fixture with jacking mechanism
By designing a PCB board test fixture including a hydraulic press, pushing plate, sliding shaft and telescopic rod, the problem of inability to adjust the test height in the prior art is solved, and the testing and fixing of PCB boards of different thicknesses is realized, which improves the accuracy of the test.
Patent Information
- Application Number
- CN202420653986.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing PCB board test fixture with a hoisting mechanism cannot adjust the test height during the test, resulting in the inability to apply PCB boards of different thicknesses.
A PCB board test fixture including a workbench, a hydraulic press, a push plate, a sliding shaft, a lift plate, a telescopic rod and a positioning assembly were designed. The push plate is pushed by the hydraulic press, so that the sliding shaft slides on the inner wall of the sliding groove, and the lifting plate and the telescopic rod cooperate to lift and lower it, realizing the testing of PCB boards of different thicknesses.
The test of PCB boards of different thicknesses is realized to ensure that the test height is adjustable and suitable for PCB boards of different thicknesses. The fixing clamping and positioning limitations of the PCB board are ensured through the cooperation of the hydraulic press and the push plate, which improves the accuracy of the test.
Smart Images
Figure CN223022156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCB board testing, in particular to a PCB board testing fixture with a lifting mechanism. Background Art
[0002] A PCB board testing fixture, also known as a PCBA testing jig, is an auxiliary device specifically used to test the performance of a PCB board. Its main function is to connect to the pads or test points on the PCB board through metal probes. When the PCB board is powered on, typical values such as the voltage value and current value of the test circuit are obtained to observe whether the test circuit is normally conducting. The lifting structure can quickly position the PCB board without manual adjustment, reducing the testing time, thereby improving production efficiency. Therefore, a PCB board testing fixture with a lifting mechanism will be used.
[0003] A PCB board testing fixture with a lifting mechanism is a testing fixture with a lifting mechanism adapted during the PCB board testing process. In traditional technologies, the PCB board testing fixture with a lifting mechanism may have problems in that it cannot adjust the testing height during the PCB board testing process, so it cannot be applied to PCB boards of different thicknesses. Summary of the Utility Model
[0004] To make up for the above deficiencies, the utility model provides a PCB board testing fixture with a lifting mechanism, aiming to improve the problem that the testing height cannot be adjusted during the PCB board testing process, so it cannot be applied to PCB boards of different thicknesses.
[0005] To achieve the above object, the utility model provides the following technical solution: A PCB board testing fixture with a lifting mechanism, including a workbench, a first support plate is fixedly connected to the upper surface of the workbench, a first hydraulic press is fixedly connected to the outer wall of the first support plate, a first push plate is fixedly connected to the output end of the first hydraulic press, a sliding shaft is fixedly connected to the outer wall of the first push plate, a telescopic rod is fixedly connected to the upper surface of the workbench, a first fixing plate is fixedly connected to the upper surface of the telescopic rod, a first fixing column is fixedly connected to the outer wall of the telescopic rod, a lifting plate is fixedly connected to one end of the first fixing column, a sliding groove is formed inside the lifting plate, and the outer wall of the sliding shaft is slidably connected inside the sliding groove, and a positioning component is arranged on the upper surface of the first fixing plate.
[0006] Preferably, the positioning component includes a second support plate, the lower surface of the second support plate is fixedly connected to the upper surface of the first fixing plate, a third fixing plate is fixedly connected to the outer wall of the second support plate, a fixing shaft is fixedly connected inside the third fixing plate, and a second roller is rotatably connected to the outer wall of the fixing shaft.
[0007] Preferably, an L-shaped plate is fixedly connected to the outer wall of the first fixing plate. A second hydraulic press is fixedly connected to the upper surface of the L-shaped plate, and a second pushing plate is fixedly connected to the output end of the second hydraulic press.
[0008] Preferably, a second fixing plate is fixedly connected to the outer wall of the L-shaped plate. A second fixing column is fixedly connected to the inside of the second fixing plate, and a rotating plate is rotatably connected to the outer wall of the second fixing column.
[0009] Preferably, a third fixing column is fixedly connected to the inside of the rotating plate. A first roller is rotatably connected to the outer wall of the third fixing column, and the outer wall of the first roller is rotatably connected to the outer wall of the second pushing plate.
[0010] Preferably, a support column is fixedly connected to the upper surface of the workbench, and a third support plate is fixedly connected to the upper surface of the support column.
[0011] Preferably, a third hydraulic press is fixedly connected to the lower surface of the third support plate, and a sliding plate is fixedly connected to the output end of the third hydraulic press.
[0012] Preferably, the inside of the sliding plate is slidably connected to the outer wall of the support column, and a probe is fixedly connected to the lower surface of the sliding plate.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, by pushing the pushing plate with the first hydraulic press, the sliding shaft will slide on the inner wall of the sliding groove. When the sliding shaft slides, the lifting plate will be lifted and lowered, and at the same time, the first fixing plate can be driven to be lifted and lowered through the telescopic rod, so as to achieve the effect of testing PCB boards with different thicknesses.
[0015] 2. In the utility model, by pushing the second pushing plate with the second hydraulic press, the pushing plate will squeeze the rotating plate, causing the first roller to rotate on the outer wall of the pushing plate through the third fixing column, and at the same time, causing the rotating plate to rotate through the second fixing column, so as to achieve the effect of fixing and clamping the PCB board to prevent the PCB board from shifting.
[0016] 3. In the utility model, when the PCB board is clamped by the rotation of the rotating plate, the PCB board will slide on the outer wall of the second roller through the fixed shaft. By the sliding of the PCB board, the effect of positioning and restricting the PCB board can be achieved, making the test structure more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a perspective view of a PCB board testing fixture with a jacking mechanism proposed by the utility model;
[0018] Figure 2Schematic diagram of the first push plate of a PCB board test fixture with a lifting mechanism proposed by the present utility model;
[0019] Figure 3 Schematic diagram of the second fixed column of a PCB board test fixture with a lifting mechanism proposed by the present utility model;
[0020] Figure 4 Schematic diagram of the second roller of a PCB board test fixture with a lifting mechanism proposed by the present utility model.
[0021] Legend:
[0022] 1. Workbench; 2. First support plate; 3. First hydraulic press; 4. First push plate; 5. Sliding shaft; 6. Lifting plate; 7. Sliding groove; 8. First fixed column; 9. Telescopic rod; 10. First fixing plate; 11. L-shaped plate; 12. Second hydraulic press; 13. Second push plate; 14. Second fixing plate; 15. Second fixed column; 16. Rotating plate; 17. Third fixed column; 18. First roller; 19. Second support plate; 20. Third fixing plate; 21. Fixed shaft; 22. Second roller; 23. Support column; 24. Third support plate; 25. Third hydraulic press; 26. Sliding plate; 27. Probe. Detailed implementation method
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Refer to Figure 1-2 , an embodiment provided by the present utility model: A PCB board test fixture with a lifting mechanism includes a workbench 1. The upper surface of the workbench 1 is fixedly connected with a first support plate 2. The outer wall of the first support plate 2 is fixedly connected with a first hydraulic press 3. The output end of the first hydraulic press 3 is fixedly connected with a first push plate 4. The outer wall of the first push plate 4 is fixedly connected with a sliding shaft 5. The upper surface of the workbench 1 is fixedly connected with a telescopic rod 9. The upper surface of the telescopic rod 9 is fixedly connected with a first fixing plate 10. The outer wall of the telescopic rod 9 is fixedly connected with a first fixed column 8. One end of the first fixed column 8 is fixedly connected with a lifting plate 6. A sliding groove 7 is opened inside the lifting plate 6. The outer wall of the sliding shaft 5 is slidably connected inside the sliding groove 7. A positioning component is arranged on the upper surface of the first fixing plate 10;
[0025] Specifically, the workbench 1 has a fixing effect on the first support plate 2, the first support plate 2 has a supporting and fixing effect on the first hydraulic press 3, the first hydraulic press 3 has a pushing effect on the first pushing plate 4, the first pushing plate 4 has a fixing effect on the sliding shaft 5, the workbench 1 has a fixing effect on the telescopic rod 9, the telescopic rod 9 has a fixing effect on the first fixing column 8, the first fixing column 8 has a connecting effect on the lifting plate 6, and the sliding shaft 5 can slide through the sliding groove 7.
[0026] Referring to Figure 4 , the positioning assembly includes a second support plate 19. The lower surface of the second support plate 19 is fixedly connected to the upper surface of the first fixing plate 10. The outer wall of the second support plate 19 is fixedly connected to a third fixing plate 20. A fixing shaft 21 is fixedly connected inside the third fixing plate 20. A second roller 22 is rotatably connected to the outer wall of the fixing shaft 21.
[0027] Specifically, the first fixing plate 10 has a fixing effect on the second support plate 19, the second support plate 19 has a fixing effect on the third fixing plate 20, the third fixing plate 20 has a fixing effect on the fixing shaft 21, and the second roller 22 can rotate through the third fixing plate 20.
[0028] Referring to Figure 3-4 , the outer wall of the first fixing plate 10 is fixedly connected to an L-shaped plate 11. The upper surface of the L-shaped plate 11 is fixedly connected to a second hydraulic press 12. The output end of the second hydraulic press 12 is fixedly connected to a second pushing plate 13. The outer wall of the L-shaped plate 11 is fixedly connected to a second fixing plate 14. A second fixing column 15 is fixedly connected inside the second fixing plate 14. A rotating plate 16 is rotatably connected to the outer wall of the second fixing column 15. A third fixing column 17 is fixedly connected inside the rotating plate 16. A first roller 18 is rotatably connected to the outer wall of the third fixing column 17. The outer wall of the first roller 18 is rotatably connected to the outer wall of the second pushing plate 13.
[0029] Specifically, the first fixing plate 10 has a fixing effect on the L-shaped plate 11, the L-shaped plate 11 has a fixing effect on the second hydraulic press 12, the second hydraulic press 12 has a pushing effect on the second pushing plate 13, the L-shaped plate 11 has a fixing effect on the second fixing plate 14, the second fixing plate 14 has a fixing effect on the second fixing column 15, the rotating plate 16 can rotate through the second fixing column 15, the rotating plate 16 has a fixing effect on the third fixing column 17, and the first roller 18 can rotate through the third fixing column 17.
[0030] Referring to Figure 1, a support column 23 is fixedly connected to the upper surface of the workbench 1, and a third support plate 24 is fixedly connected to the upper surface of the support column 23; a third hydraulic press 25 is fixedly connected to the lower surface of the third support plate 24, and an output end of the third hydraulic press 25 is fixedly connected to a sliding plate 26; the interior of the sliding plate 26 is slidably connected to the outer wall of the support column 23, and a probe 27 is fixedly connected to the lower surface of the sliding plate 26;
[0031] Specifically, the workbench 1 has a fixing effect on the support column 23, the support column 23 has a fixing effect on the third support plate 24, the third support plate 24 has a fixing effect on the third hydraulic press 25, the third hydraulic press 25 has a pushing effect on the sliding plate 26, the sliding plate 26 has a fixing effect on the probe 27, and the support column 23 can achieve the effect of sliding the sliding plate 26.
[0032] Working principle: When this test fixture needs to be used, the PCB board needs to be placed on the first fixing plate 10 first, and then the first hydraulic press 3 is used to push the first pushing plate 4. At this time, the first pushing plate 4 will drive the sliding shaft 5 to slide in the sliding groove 7. When the sliding shaft 5 slides, the lifting plate 6 will move up and down through the telescopic rod 9. When the lifting plate 6 moves up and down, it will drive the first fixing plate 10 to move up and down, so as to achieve the effect of testing PCB boards of different thicknesses. Then, the second hydraulic press 12 is used to push the second pushing plate 13 to squeeze the rotating plate 16. When the rotating plate 16 is squeezed, it will rotate through the second fixing column 15. At the same time, the first roller 18 will slide on the outer wall of the second pushing plate 13 through the third fixing column 17, so as to achieve the effect of fixing and clamping the PCB board to prevent the PCB board from shifting. Then, through the cooperation of the fixed shaft 21, the second roller 22 and the rotating plate 16, the effect of positioning and restricting the PCB board can be achieved to make the test structure more accurate. Then, the third hydraulic press 25 is used to push the sliding plate 26 to press down on the outer wall of the support column 23, so that the probe 27 is pressed down at the same time to test the PCB board. This test fixture can not only achieve the effect of testing PCB boards of different thicknesses, but also achieve the effect of fixing and clamping the PCB board to prevent the PCB board from shifting, and can also achieve the effect of positioning and restricting the PCB board to make the test structure more accurate.
[0033] 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 recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A PCB board testing fixture with a lifting mechanism, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a first support plate (2), the outer wall of the first support plate (2) is fixedly connected to a first hydraulic press (3), the output end of the first hydraulic press (3) is fixedly connected to a first push plate (4), the outer wall of the first push plate (4) is fixedly connected to a sliding shaft (5), the upper surface of the workbench (1) is fixedly connected to a telescopic rod (9), the upper surface of the telescopic rod (9) is fixedly connected to a first fixed plate (10), the outer wall of the telescopic rod (9) is fixedly connected to a first fixed column (8), one end of the first fixed column (8) is fixedly connected to a lifting plate (6), a sliding groove (7) is provided inside the lifting plate (6), the outer wall of the sliding shaft (5) is slidably connected to the inside of the sliding groove (7), and a positioning component is provided on the upper surface of the first fixed plate (10).
2. The PCB board testing fixture with a lifting mechanism according to claim 1, characterized in that: The positioning assembly comprises a second support plate (19), the lower surface of the second support plate (19) is fixedly connected to the upper surface of the first fixed plate (10), the outer wall of the second support plate (19) is fixedly connected to a third fixed plate (20), the interior of the third fixed plate (20) is fixedly connected to a fixed shaft (21), and the outer wall of the fixed shaft (21) is rotatably connected to a second roller (22).
3. The PCB board testing fixture with a lifting mechanism according to claim 2, characterized in that: The outer wall of the first fixed plate (10) is fixedly connected to an L plate (11), the upper surface of the L plate (11) is fixedly connected to a second hydraulic press (12), and the output end of the second hydraulic press (12) is fixedly connected to a second push plate (13).
4. The PCB board testing fixture with a lifting mechanism according to claim 3, characterized in that: The outer wall of the L-plate (11) is fixedly connected to a second fixed plate (14), the interior of the second fixed plate (14) is fixedly connected to a second fixed column (15), and the outer wall of the second fixed column (15) is rotatably connected to a rotating plate (16).
5. The PCB board testing fixture with a lifting mechanism according to claim 4, characterized in that: A third fixing column (17) is fixedly connected inside the rotating plate (16), an outer wall of the third fixing column (17) is rotatably connected to a first roller (18), and an outer wall of the first roller (18) is rotatably connected to an outer wall of the second pushing plate (13).
6. The PCB board testing fixture with a lifting mechanism according to claim 1, characterized in that: A support column (23) is fixedly connected to the upper surface of the workbench (1), and a third support plate (24) is fixedly connected to the upper surface of the support column (23).
7. The PCB board testing fixture with a lifting mechanism according to claim 6, characterized in that: A third hydraulic machine (25) is fixedly connected to the lower surface of the third support plate (24), and a sliding plate (26) is fixedly connected to the output end of the third hydraulic machine (25).
8. The PCB board testing fixture with a lifting mechanism according to claim 7, characterized in that: The interior of the sliding plate (26) is slidably connected to the outer wall of the support column (23), and the lower surface of the sliding plate (26) is fixedly connected to a probe (27).