Clamping mechanism for testing special-shaped PCB
By designing a clamping mechanism including motor, cylinder and suction cup, the problem of inconvenience in testing of special-shaped PCB boards is solved, and convenient testing, loading and clamping and fixing of special-shaped PCB boards is achieved, which improves the convenience and accuracy of the test.
Patent Information
- Application Number
- CN202421518644.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-30
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-06-30
AI Technical Summary
The prior art is difficult to effectively test and position the special-shaped PCB board, resulting in inconvenience in testing and insufficient accuracy.
A clamping mechanism including a base plate, a bracket, a fixing plate, a motor, a cylinder and a suction cup is designed. The rotary plate is driven by the motor to drive the cylinder to slide, and the cylinder pushes the suction cup to absorb the special-shaped PCB board, and clamping and fixing is achieved through the rack and gear system.
It realizes convenient testing, loading and clamping and fixing of special-shaped PCB boards, improving the convenience and accuracy of testing.
Smart Images

Figure CN223022167U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCB board production and testing, in particular to a clamping mechanism for testing special-shaped PCB boards. Background Art
[0002] Special-shaped PCBs (Printed Circuit Board) usually refer to circuit boards with non-rectangular or unconventional shapes, which are different from the traditional rectangular PCB shapes. The clamping mechanism designed for testing special-shaped PCBs needs to take into account their unconventional shapes and sizes to ensure effective testing and production processes. In order to better test special-shaped PCB boards, a clamping mechanism for testing special-shaped PCB boards is required.
[0003] After retrieval, a PCB board test fixture positioning and clamping mechanism is disclosed in the publication number: CN220154499U, which relates to the technical field of PCB boards. The PCB board test fixture positioning and clamping mechanism includes a test bench, on which a PCB board is arranged. Four sliding grooves are opened on the test bench, and sliding columns are slidably connected inside the four sliding grooves. Moving blocks are fixedly installed on the four sliding columns, and limiting rods are fixedly installed inside the four sliding grooves. In this PCB board test fixture positioning and clamping mechanism, the four sliding columns and the four moving blocks are reset by the elastic force of four springs, so that the four moving blocks move relatively, and then a plurality of clamping rods clamp and position the PCB board, which is convenient for positioning the PCB board, facilitating positioning the PCB board on the test bench, preventing the PCB board from moving on the test bench, improving the convenience and accuracy of the subsequent detection of the PCB board, facilitating positioning and clamping the four sides of the PCB board, and thus improving the accuracy of testing the PCB board.
[0004] In the above application, by using a plurality of clamping rods to clamp and position the PCB board, it is convenient to position the PCB board, facilitate positioning the PCB board on the test bench, prevent the PCB board from moving on the test bench, improve the convenience and accuracy of the subsequent detection of the PCB board, facilitate positioning and clamping the four sides of the PCB board, and thus improve the accuracy of testing the PCB board. However, during use, it is impossible to achieve a more convenient testing effect for special-shaped PCB boards. Summary of the Utility Model
[0005] In order to make up for the above deficiencies, the utility model provides a clamping mechanism for testing special-shaped PCB boards, aiming to improve the problem that it is impossible to achieve a more convenient testing effect for special-shaped PCB boards during use.
[0006] To achieve the above object, the present utility model provides the following technical solution: A clamping mechanism for testing a special-shaped PCB board, including a bottom plate, an outer wall of the bottom plate is fixedly connected with a bracket, an upper surface of the bracket is fixedly connected with a first fixing plate, an upper surface of the bracket is fixedly connected with a first fixing strip, an outer wall of the first fixing plate is fixedly connected with a motor, an output end of the motor is fixedly connected with a first rotating shaft, an outer wall of the first rotating shaft is rotatably connected inside the first fixing plate, an outer wall of the first rotating shaft is fixedly connected with a rotating plate, an outer wall of the rotating plate is fixedly connected with a cylinder, an outer wall of the cylinder is slidably connected with a sliding plate, an outer wall of the sliding plate is fixedly connected with a first long plate, an outer wall of the first long plate is fixedly connected with a second fixing plate, the second fixing plate is slidably connected to an outer wall of the first fixing strip, a feeding assembly is arranged on a lower surface of the second fixing plate, and the feeding assembly includes a first cylinder, an upper surface of the first cylinder is fixedly connected to the lower surface of the second fixing plate, an output end of the first cylinder is fixedly connected with a third fixing plate, and a lower surface of the third fixing plate is fixedly connected with a suction cup.
[0007] Preferably, an outer wall of the bracket is fixedly connected with a second cylinder, and an output end of the second cylinder is fixedly connected with a slider.
[0008] Preferably, a second fixing strip is slidably connected inside the slider, and a lower surface of the second fixing strip is fixedly connected to an upper surface of the bottom plate.
[0009] Preferably, a rack is fixedly connected to an outer wall of the slider, and a second long plate is fixedly connected to the outer wall of the slider.
[0010] Preferably, a gear is meshed with an outer wall of the rack, and a second rotating shaft is fixedly connected inside the gear.
[0011] Preferably, an outer wall of the second rotating shaft is rotatably connected inside the bottom plate, and a third fixing strip is fixedly connected to an upper surface of the bottom plate.
[0012] Preferably, the slider is slidably connected to an outer wall of the third fixing strip, and a third long plate is fixedly connected to an outer wall of the slider.
[0013] The present utility model has the following beneficial effects:
[0014] 1. In the present utility model, when the motor is turned on, the rotating plate is driven to rotate through the first rotating shaft. While the rotating plate drives the cylinder to slide inside the sliding plate, the second fixing plate is pushed by the first long plate to slide on the outer wall of the first fixing strip, thereby achieving the effect of being more convenient for testing.
[0015] 2. In the present utility model, by activating the first cylinder to push the third fixed plate to drive the suction cup, the bottom of the suction cup adsorbs the special-shaped PCB board, and then the special-shaped PCB board is placed between the second long plate and the third long plate for fixation, thereby achieving the effect of feeding the special-shaped PCB board.
[0016] 3. In the present utility model, by activating the second cylinder to push the slider to slide on the outer wall of the second fixed strip, the rack fixed to the outer wall of the slider drives the gear to rotate, thereby driving another rack on the outer wall of the gear to drive another slider to slide on the outer wall of the third fixed strip, so that the second long plate and the third long plate clamp the special-shaped PCB board, thereby achieving the effect of clamping and fixing the special-shaped PCB board. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a perspective view of a clamping mechanism for testing a special-shaped PCB board proposed by the present utility model;
[0018] Figure 2 is a schematic diagram of the first fixed plate of a clamping mechanism for testing a special-shaped PCB board proposed by the present utility model;
[0019] Figure 3 is a schematic diagram of the motor of a clamping mechanism for testing a special-shaped PCB board proposed by the present utility model;
[0020] Figure 4 is a schematic diagram of the gear of a clamping mechanism for testing a special-shaped PCB board proposed by the present utility model.
[0021] Legend Explanation:
[0022] 1. Bottom plate; 2. Bracket; 3. First fixed plate; 4. Motor; 5. First rotating shaft; 6. Rotating plate; 7. Cylinder; 8. Sliding plate; 9. First long plate; 10. Second fixed plate; 11. First fixed strip; 12. First cylinder; 13. Third fixed plate; 14. Suction cup; 15. Second cylinder; 16. Second fixed strip; 17. Slider; 18. Rack; 19. Second long plate; 20. Gear; 21. Second rotating shaft; 22. Third fixed strip; 23. Third long plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[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 of 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 Figures 1-3, an embodiment provided by the present utility model: a clamping mechanism for testing a special-shaped PCB board, including a bottom plate 1, a bracket 2 is fixedly connected to the outer wall of the bottom plate 1, a first fixing plate 3 is fixedly connected to the upper surface of the bracket 2, a first fixing strip 11 is fixedly connected to the upper surface of the bracket 2, a motor 4 is fixedly connected to the outer wall of the first fixing plate 3, an output end of the motor 4 is fixedly connected to a first rotating shaft 5, the outer wall of the first rotating shaft 5 is rotatably connected inside the first fixing plate 3, a rotating plate 6 is fixedly connected to the outer wall of the first rotating shaft 5, a cylinder 7 is fixedly connected to the outer wall of the rotating plate 6, a sliding plate 8 is slidably connected to the outer wall of the cylinder 7, a first long plate 9 is fixedly connected to the outer wall of the sliding plate 8, a second fixing plate 10 is fixedly connected to the outer wall of the first long plate 9, the inside of the second fixing plate 10 is slidably connected to the outer wall of the first fixing strip 11, and a feeding assembly is arranged on the lower surface of the second fixing plate 10. The feeding assembly includes a first cylinder 12, the upper surface of the first cylinder 12 is fixedly connected to the lower surface of the second fixing plate 10, an output end of the first cylinder 12 is fixedly connected to a third fixing plate 13, and a suction cup 14 is fixedly connected to the lower surface of the third fixing plate 13;
[0025] Specifically, the bottom plate 1 plays a fixing role for the bracket 2, the bracket 2 plays a fixing role for the first fixing plate 3, the bracket 2 plays a fixing role for the first fixing strip 11, the first fixing plate 3 plays a fixing role for the motor 4, the motor 4 plays a fixing role for the first rotating shaft 5, the outer wall of the first rotating shaft 5 rotates inside the first fixing plate 3, the first rotating shaft 5 plays a fixing role for the rotating plate 6, the rotating plate 6 plays a fixing role for the cylinder 7, the outer wall of the cylinder 7 slides inside the sliding plate 8, the sliding plate 8 plays a fixing role for the first long plate 9, the second fixing plate 10 plays a fixing role for the first long plate 9, the inside of the second fixing plate 10 slides on the outer wall of the first fixing strip 11, and a feeding assembly is arranged on the lower surface of the second fixing plate 10. The feeding assembly includes a first cylinder 12, the second fixing plate 10 plays a fixing role for the first cylinder 12, the first cylinder 12 plays a fixing role for the third fixing plate 13, and the third fixing plate 13 plays a fixing role for the suction cup 14.
[0026] Referring to Figure 4 , a second cylinder 15 is fixedly connected to the outer wall of the bracket 2, an output end of the second cylinder 15 is fixedly connected to a slider 17, a second fixing strip 16 is slidably connected inside the slider 17, the lower surface of the second fixing strip 16 is fixedly connected to the upper surface of the bottom plate 1, and a rack 18 is fixedly connected to the outer wall of the slider 17, and a second long plate 19 is fixedly connected to the outer wall of the slider 17;
[0027] Specifically, the bracket 2 plays a fixing role for the second cylinder 15, the second cylinder 15 plays a fixing role for the slider 17, the outer wall of the second fixing strip 16 slides inside the slider 17, the bottom plate 1 plays a fixing role for the second fixing strip 16, the slider 17 plays a fixing role for the rack 18, and the slider 17 plays a fixing role for the second long plate 19.
[0028] Refer to Figure 4 Figure 4 , the outer wall of the rack 18 is meshed and connected with a gear 20. A second rotating shaft 21 is fixedly connected to the inside of the gear 20. The outer wall of the second rotating shaft 21 is rotatably connected to the inside of the bottom plate 1. A third fixing strip 22 is fixedly connected to the upper surface of the bottom plate 1. The inside of the slider 17 is slidably connected to the outer wall of the third fixing strip 22. A third long plate 23 is fixedly connected to the outer wall of the slider 17;
[0029] Specifically, when the rack 18 moves, it can make the connected gear 20 rotate. The second rotating shaft 21 then plays a fixing role for the gear 20. The outer wall of the second rotating shaft 21 rotates inside the bottom plate 1. The bottom plate 1 plays a fixing role for the third fixing strip 22. The slider 17 slides on the outer wall of the third fixing strip 22. The slider 17 plays a fixing role for the third long plate 23.
[0030] Working principle: When the device needs to be used, turn on the motor 4 to drive the rotating plate 6 to rotate through the first rotating shaft 5. The rotating plate 6 then drives the cylinder 7 to slide inside the sliding plate 8 while pushing the first long plate 9, so that the first long plate 9 pushes the second fixing plate 10 to slide on the outer wall of the first fixing strip 11, thus achieving a more convenient testing effect. At the same time, turn on the first air cylinder 12 to push the fixed third fixing plate 13 to drive the suction cup 14 to work, thus achieving the effect of loading the special-shaped PCB board. At this time, turn on the second air cylinder 15 to push the slider 17 to slide on the outer wall of the second fixing strip 16, so that the rack 18 fixed to the outer wall of the slider 17 drives the gear 20 to rotate, thereby driving another rack 18 on the outer wall of the gear 20 to drive another slider 17 to slide on the outer wall of the third fixing strip 22, so that the second long plate 19 and the third long plate 23 clamp the special-shaped PCB board, thus achieving the effect of clamping and fixing the special-shaped PCB board. This device can not only achieve a more convenient testing effect, but also achieve the effect of loading the special-shaped PCB board, and even achieve the effect of clamping and fixing the special-shaped PCB board.
[0031] 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 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 in the protection scope of the present invention.
Claims
1. A clamping mechanism for testing a special-shaped PCB board, comprising a bottom plate (1), characterized in that: The outer wall of the bottom plate (1) is fixedly connected to a bracket (2), the upper surface of the bracket (2) is fixedly connected to a first fixed plate (3), the upper surface of the bracket (2) is fixedly connected to a first fixed strip (11), the outer wall of the first fixed plate (3) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a first rotating shaft (5), the outer wall of the first rotating shaft (5) is rotatably connected to the inside of the first fixed plate (3), the outer wall of the first rotating shaft (5) is fixedly connected to a rotating plate (6), the outer wall of the rotating plate (6) is fixedly connected to a cylinder (7), the outer wall of the cylinder (7) is slidably connected to a sliding plate (8), the outer wall of the sliding plate (8) is fixedly connected to a first long plate (9), the outer wall of the first long plate (9) is fixedly connected to a second fixed plate (10), the inside of the second fixed plate (10) is slidably connected to the outer wall of the first fixed strip (11), and a feeding assembly is arranged on the lower surface of the second fixed plate (10).
2. The clamping mechanism for testing a special-shaped PCB board according to claim 1, characterized in that: The feeding assembly comprises a first cylinder (12), the upper surface of the first cylinder (12) is fixedly connected to the lower surface of a second fixed plate (10), the output end of the first cylinder (12) is fixedly connected to a third fixed plate (13), and the lower surface of the third fixed plate (13) is fixedly connected to a suction cup (14).
3. The clamping mechanism for testing a special-shaped PCB board according to claim 1, characterized in that: The outer wall of the bracket (2) is fixedly connected to a second cylinder (15), and the output end of the second cylinder (15) is fixedly connected to a sliding block (17).
4. The clamping mechanism for testing a special-shaped PCB board according to claim 3, characterized in that: The interior of the sliding block (17) is slidably connected to a second fixing bar (16), and the lower surface of the second fixing bar (16) is fixedly connected to the upper surface of the bottom plate (1).
5. The clamping mechanism for testing a special-shaped PCB board according to claim 4, characterized in that: The outer wall of the slider (17) is fixedly connected to a rack (18), and the outer wall of the slider (17) is fixedly connected to a second long plate (19).
6. The clamping mechanism for testing a special-shaped PCB board according to claim 5, characterized in that: The outer wall of the rack (18) is meshingly connected with a gear (20), and the interior of the gear (20) is fixedly connected with a second rotating shaft (21).
7. The clamping mechanism for testing a special-shaped PCB board according to claim 6, characterized in that: The outer wall of the second rotating shaft (21) is rotatably connected to the inside of the bottom plate (1), and the upper surface of the bottom plate (1) is fixedly connected to a third fixing bar (22).
8. The clamping mechanism for testing a special-shaped PCB according to claim 7, characterized in that: The interior of the sliding block (17) is slidably connected to the outer wall of the third fixing strip (22), and the outer wall of the sliding block (17) is fixedly connected to the third long plate (23).
Citation Information
Patent Citations
PCB test fixture positioning and clamping mechanism
CN220154499U