Fixing device for riveting copper nails on PCB (Printed Circuit Board)

By designing an automated PCB board riveting fixing device, which utilizes a motor and pneumatic push rod to automate the riveting operation, the problems of low efficiency and unstable quality of manual operation are solved, thereby improving riveting efficiency and quality and reducing costs.

CN223899410UActive Publication Date: 2026-02-10XIAMEN COSTCO ELECTRONIC IND CO LTD
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Patent Information

Application Number
CN202520325355.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-10
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

The existing PCB board riveting copper nail operation relies on manual labor, which consumes a lot of manpower and time, is inefficient, and has unstable riveting quality.

Method used

An automated PCB board riveting device was designed, comprising a motor, an electric push rod, and a pneumatic push rod. This device enables automatic placement, positioning, and fastening of rivets. Precise adjustment is achieved through a motor-driven lead screw and slider assembly, combined with a pneumatic push rod for fastening.

Benefits of technology

It significantly improves production efficiency, ensures the accuracy and consistency of riveting operations, reduces human error, improves riveting quality, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PCB (printed circuit board) copper nail riveting fixing device, which relates to the technical field of PCB production, and adopts the technical scheme that the PCB copper nail riveting fixing device comprises a workbench, and a riveting mechanism is arranged at the top of the workbench; the riveting mechanism comprises two fixing plates, the two fixing plates are fixedly arranged at the top of the workbench, a shell is fixedly arranged at the tops of the two fixing plates, a lead screw is connected into the shell through a bearing, a first motor is fixedly arranged on one side of the shell, the output end of the first motor is fixedly connected with the lead screw, and a sliding block is arranged outside the lead screw through a thread sleeve. The riveting device has the advantages that automatic placement, positioning and fastening of rivets are achieved, so that production efficiency is remarkably improved, accuracy and consistency of riveting operation each time can be guaranteed, the riveting quality is improved, and the riveting device is simple in structure, convenient to operate, high in practicability and suitable for large-scale popularization and application. And errors and instability caused by human factors can be reduced, so that the riveting quality is improved, and the production cost is further reduced.
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Description

Technical Field

[0001] This utility model relates to the field of PCB board manufacturing technology, specifically to a PCB board rivet fixing device. Background Technology

[0002] PCB rivets are connecting components used in the assembly process of printed circuit boards (PCBs). They ensure reliable electrical conduction between different layers of the PCB or between the pins of different electronic components, allowing current to flow in the circuit as designed and ensuring normal circuit operation. Rivets are usually made of metal. By passing a thin metal tube through a riveting hole on the connecting board, and then tightening the two ends of the rivet by hammering or applying pressure, the connecting board will not come off the rivet, thus achieving the purpose of fastening. PCB rivets include solid rivets and hollow rivets. Solid rivets are suitable for riveting applications with general or large lateral loads, while hollow rivets, due to their light weight and weak head, are suitable for riveting applications of non-metallic materials with small loads.

[0003] The existing method of riveting copper rivets on PCB boards is done manually, which requires a lot of manpower and time, is inefficient, and can easily lead to unstable riveting quality. Utility Model Content

[0004] Therefore, this utility model provides a PCB board copper rivet fixing device to solve the problem that PCB board copper rivet fixing is done manually, which requires a lot of manpower and time, is inefficient, and is prone to unstable riveting quality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a PCB board copper rivet fixing device, including a workbench, wherein a rivet mechanism is provided on the top of the workbench;

[0006] The riveting mechanism includes two fixed plates, which are fixedly mounted on the top of the workbench. A housing is fixedly mounted on the top of the two fixed plates. A lead screw is connected to the inside of the housing via a bearing. A first motor is fixedly mounted on one side of the housing. The output end of the first motor is fixedly connected to the lead screw. A slider is threaded onto the outside of the lead screw. A first electric push rod is fixedly mounted on one side of the slider. A connecting block is fixedly connected to the output end of the first electric push rod. A second electric push rod is fixedly mounted at the bottom of the connecting block. A connecting frame is fixedly connected to the output end of the second electric push rod. A top plate is fixedly mounted at the bottom of the connecting frame. A third motor is fixedly mounted on the top of the top plate. A drive shaft is fixedly connected to the output end of the third motor. A rotating disk is fixedly connected to one end of the drive shaft. Multiple second through holes are opened on one side of the rotating disk. An arc-shaped plate is fixedly mounted at the bottom of the top plate. A base plate is fixedly mounted at the bottom of the arc-shaped plate. A discharge pipe is fixedly mounted at the bottom of the base plate.

[0007] Preferably, the top of the top plate has a first through hole, a side frame is fixedly mounted on the top of the top plate, and a pneumatic push rod is fixedly mounted on the top of the side frame.

[0008] Preferably, a material pipe is fixedly provided on the top of the top plate.

[0009] Preferably, the slider slides inside the housing.

[0010] Preferably, the top of the workbench is provided with a limiting component, the limiting component includes a fixing frame, the fixing frame is fixedly installed on the top of the workbench, a second motor is fixedly installed on the top of the fixing frame, a threaded rod is fixedly connected to the output end of the second motor, the threaded rod is connected to the top of the workbench through a bearing, a block is threadedly fitted on the outside of the threaded rod, and pressure plates are fixed on both sides of the block.

[0011] Preferably, two sliding rods are fixedly connected between the fixed frame and the worktable, and the sliding rods pass through the block and are slidably connected to the block.

[0012] Preferably, two first baffles are fixedly provided on the top of the workbench.

[0013] Preferably, a second baffle is fixedly provided on the top of the workbench.

[0014] Preferably, support columns are fixedly provided at all four corners of the bottom of the workbench.

[0015] The present invention has the following advantages:

[0016] Through automated operation, this invention can significantly reduce the time and effort required for manual operation. By using automated components such as motors and electric push rods, it realizes the automatic placement, positioning, and fastening of rivets, thereby significantly improving production efficiency, ensuring the accuracy and consistency of each riveting operation, reducing errors and instability caused by human factors, thus improving riveting quality and further reducing production costs. Attached Figure Description

[0017] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0019] Figure 1 A schematic diagram of the overall structure of this utility model;

[0020] Figure 2 A perspective view of the limiting component provided by this utility model;

[0021] Figure 3 A perspective view of the rivet mechanism provided for this utility model;

[0022] Figure 4 A cross-sectional view of the rivet mechanism provided by this utility model;

[0023] Figure 5 A perspective view of the rotating disk provided for this utility model.

[0024] In the diagram: 1. Workbench; 2. Support column; 3. Fixing plate; 4. Housing; 5. Lead screw; 6. First motor; 7. Slider; 8. First electric push rod; 9. Fixing frame; 10. Connecting block; 11. Second electric push rod; 12. Connecting frame; 13. Top plate; 14. Material pipe; 15. First baffle; 16. Pressure plate; 17. Second baffle; 18. Second motor; 19. Slide rod; 20. Threaded rod; 21. Block; 22. Pneumatic push rod; 23. Side frame; 24. Third motor; 25. First through hole; 26. Arc plate; 27. Rotating disk; 28. Base plate; 29. ​​Discharge pipe; 30. Second through hole; 31. Drive shaft. Detailed Implementation

[0025] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] See attached document Figure 1 - Appendix Figure 5 The present invention provides a PCB board rivet fixing device, including a workbench 1, wherein the top of the workbench 1 is provided with a rivet mechanism;

[0027] The riveting mechanism includes two fixing plates 3, which are fixedly mounted on the top of the workbench 1. A housing 4 is fixedly mounted on the top of the two fixing plates 3. A lead screw 5 is connected to the inside of the housing 4 via bearings. A first motor 6 is fixedly mounted on one side of the housing 4, and the output end of the first motor 6 is fixedly connected to the lead screw 5. A slider 7 is threaded onto the outside of the lead screw 5. A first electric push rod 8 is fixedly mounted on one side of the slider 7. A connecting block 10 is fixedly connected to the output end of the first electric push rod 8. A second electric push rod 11 is fixedly mounted at the bottom of the connecting block 10. The output end of the second electric push rod 11 is fixedly connected to a connecting frame 12. The bottom of the connecting frame 12 is fixedly provided with a top plate 13. The top of the top plate 13 is fixedly provided with a third motor 24. The output end of the third motor 24 is fixedly connected to a transmission shaft 31. One end of the transmission shaft 31 is fixedly connected to a rotating disk 27. A plurality of second through holes 30 are opened on one side of the rotating disk 27. The bottom of the top plate 13 is fixedly provided with an arc plate 26. The bottom of the arc plate 26 is fixedly provided with a base plate 28. The bottom of the base plate 28 is fixedly provided with a discharge pipe 29. The slider 7 slides inside the housing 4.

[0028] In this implementation scheme, the first motor 6 is started, which drives the lead screw 5 to rotate. The lead screw 5 drives the slider 7 to move. The slider 7 drives the first electric push rod 8 to move. The first electric push rod 8 drives the connecting block 10 to move. The connecting block 10 drives the second electric push rod 11 to move. The second electric push rod 11 drives the connecting frame 12 to move. The connecting frame 12 drives the top plate 13 to move. The top plate 13 drives the arc plate 26 and the base plate 28 to move. The base plate 28 drives the discharge tube 29 to move. The first electric push rod 8 is started, which can drive the connecting block 10 to move, thereby adjusting the discharge tube 29 in the X and Y axis directions. After the discharge tube 29 moves to the top of the hole position on the PCB board, the second electric push rod 11 is started. The second electric push rod 11 controls the discharge tube 29 to approach the hole position. The third motor 24 is started, which drives the transmission shaft 31 to rotate. The transmission shaft 31 drives the rotating disk 27 to rotate. The rotating disk 27 drives the rivet inside the second through hole 30 to move to the top of the discharge tube 29.

[0029] In order to achieve the purpose of pressurizing the rivet, the device adopts the following technical solution: the top plate 13 has a first through hole 25, the top plate 13 is fixedly provided with a side frame 23, and the top of the side frame 23 is fixedly installed with a pneumatic push rod 22. The rivet falls into the hole on the PCB board, and then the pneumatic push rod 22 is activated. The output end of the pneumatic push rod 22 passes through the first through hole 25 and fastens the rivet to the inner wall of the hole on the PCB board.

[0030] In order to achieve the purpose of feeding material, the device adopts the following technical solution: a material tube 14 is fixedly provided on the top of the top plate 13, and multiple rivets are placed inside the material tube 14.

[0031] To achieve the limiting purpose, this device adopts the following technical solution: A limiting component is provided on the top of the workbench 1. The limiting component includes a fixing frame 9, which is fixedly mounted on the top of the workbench 1. A second motor 18 is fixedly mounted on the top of the fixing frame 9. A threaded rod 20 is fixedly connected to the output end of the second motor 18. The threaded rod 20 is connected to the top of the workbench 1 via a bearing. A square block 21 is threadedly fitted onto the outside of the threaded rod 20. Pressure plates 16 are fixedly mounted on both sides of the square block 21. The fixing frame 9 and the workbench 1 are connected... Two sliding rods 19 are fixedly connected between the worktables 1 and 21. The sliding rods 19 pass through the block 21 and are slidably connected to the block 21. Two first baffles 15 are fixedly provided on the top of the worktables 1 and a second baffle 17 is fixedly provided on the top of the worktables 1. The PCB board is placed on the surface of the worktables 1 and contacts the first baffles 15 and the second baffles 17 respectively. Then the second motor 18 is started. The second motor 18 controls the threaded rod 20 to rotate. The threaded rod 20 drives the block 21 to move. The block 21 drives the pressure plate 16 to move. The pressure plate 16 presses the PCB board tightly.

[0032] To achieve the purpose of support, the device adopts the following technical solution: support columns 2 are fixedly provided at the four corners of the bottom of the workbench 1, and the support columns 2 have the function of supporting the workbench 1.

[0033] The usage process of this utility model is as follows: When using this utility model, multiple rivets are placed inside the material tube 14, with the rivet height consistent with the thickness of the rotating disk 27. The rivets fall into the second through hole 30 inside the rotating disk 27 through the material tube 14. The PCB board is placed on the surface of the workbench 1, and the PCB board contacts the first baffle 15 and the second baffle 17 respectively. Then, the second motor 18 is started, which controls the threaded rod 20 to rotate. The threaded rod 20 drives the block 21 to move, and the block 21 drives the pressure plate 16 to move. The pressure plate 16 presses the PCB board tightly. Then, the position of the discharge tube 29 is adjusted according to the position of the hole on the PCB board. By starting the first motor 6, the first motor 6 drives the lead screw 5 to rotate, the lead screw 5 drives the slider 7 to move, the slider 7 drives the first electric push rod 8 to move, the first electric push rod 8 drives the connecting block 10 to move, and the connecting block 10 drives the second electric push rod 11 to move. The second electric push rod 11 drives the connecting frame 12 to move, the connecting frame 12 drives the top plate 13 to move, the top plate 13 drives the arc plate 26 and the base plate 28 to move, the base plate 28 drives the discharge pipe 29 to move, and the first electric push rod 8 is activated. The first electric push rod 8 can drive the connecting block 10 to move, thereby adjusting the discharge pipe 29 in the X and Y axes. After the discharge pipe 29 moves to the top of the hole position on the PCB board, the second electric push rod 11 is activated. The second electric push rod 11 controls the discharge pipe 29 to approach the hole position, and the third motor 24 is activated. The third motor 24 drives the transmission shaft 31 to rotate, the transmission shaft 31 drives the rotating disk 27 to rotate, and the rotating disk 27 drives the rivet inside the second through hole 30 to move to the top of the discharge pipe 29. The rivet falls into the hole on the PCB board, and then the pneumatic push rod 22 is activated. The output end of the pneumatic push rod 22 passes through the first through hole 25 and fastens the rivet to the inner wall of the hole on the PCB board.

[0034] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A PCB board rivet fixing device, comprising a worktable (1), characterized in that: The workbench (1) is equipped with a riveting mechanism on its top; The riveting mechanism includes two fixing plates (3), which are fixedly mounted on the top of the workbench (1). A housing (4) is fixedly mounted on the top of the two fixing plates (3). A lead screw (5) is connected to the inside of the housing (4) via a bearing. A first motor (6) is fixedly mounted on one side of the housing (4). The output end of the first motor (6) is fixedly connected to the lead screw (5). A slider (7) is threaded onto the outside of the lead screw (5). A first electric push rod (8) is fixedly mounted on one side of the slider (7). A connecting block (10) is fixedly connected to the output end of the first electric push rod (8). A second electric push rod (10) is fixedly mounted at the bottom of the connecting block (10). The second electric push rod (11) is fixedly connected to a connecting frame (12) at its output end. A top plate (13) is fixedly provided at the bottom of the connecting frame (12). A third motor (24) is fixedly provided at the top of the top plate (13). A transmission shaft (31) is fixedly connected at the output end of the third motor (24). A rotating disk (27) is fixedly connected at one end of the transmission shaft (31). A plurality of second through holes (30) are opened on one side of the rotating disk (27). An arc plate (26) is fixedly provided at the bottom of the top plate (13). A base plate (28) is fixedly provided at the bottom of the arc plate (26). A discharge pipe (29) is fixedly provided at the bottom of the base plate (28).

2. The PCB board rivet fixing device according to claim 1, characterized in that: The top plate (13) has a first through hole (25) at the top, and a side frame (23) is fixedly installed on the top of the top plate (13). A pneumatic push rod (22) is fixedly installed on the top of the side frame (23).

3. The PCB board riveting copper nail fixing device according to claim 1, characterized in that: The top plate (13) is fixedly equipped with a material pipe (14).

4. The PCB board riveting copper nail fixing device according to claim 1, characterized in that: The slider (7) slides inside the housing (4).

5. The PCB board riveting copper nail fixing device according to claim 1, characterized in that: The workbench (1) is provided with a limiting component at the top. The limiting component includes a fixing frame (9). The fixing frame (9) is fixedly installed on the top of the workbench (1). A second motor (18) is fixedly installed on the top of the fixing frame (9). A threaded rod (20) is fixedly connected to the output end of the second motor (18). The threaded rod (20) is connected to the top of the workbench (1) through a bearing. A block (21) is threadedly fitted on the outside of the threaded rod (20). Pressure plates (16) are fixedly installed on both sides of the block (21).

6. The PCB board riveting copper nail fixing device according to claim 5, characterized in that: Two slide rods (19) are fixedly connected between the fixed frame (9) and the workbench (1). The slide rods (19) pass through the block (21) and are slidably connected to the block (21).

7. The PCB board riveting copper nail fixing device according to claim 1, characterized in that: Two first baffles (15) are fixedly provided on the top of the workbench (1).

8. The PCB board riveting copper nail fixing device according to claim 1, characterized in that: The top of the workbench (1) is fixedly provided with a second baffle (17).

9. A PCB board riveting copper nail fixing device according to claim 1, characterized in that: The workbench (1) is fixed with support columns (2) at the four corners of its bottom.