An edge grinding device for circuit board production

By designing a multi-angle adjustable circuit board edge grinding device, the problem of grinding only at a single angle in the existing technology has been solved, realizing multi-angle fixing and grinding of circuit boards, and improving the practicality and work efficiency of the device.

CN224274405UActive Publication Date: 2026-05-26DONG GUAN YUE WAH CIRCUITS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONG GUAN YUE WAH CIRCUITS CO LTD
Filing Date
2025-04-28
Publication Date
2026-05-26

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Abstract

This utility model relates to the field of circuit board manufacturing technology and discloses a grinding device for circuit board production. The device includes a base, a main rotating plate on the top left side of the base, a secondary rotating plate rotatably connected to the top of the main rotating plate, a rotating rod connected to the top of the secondary rotating plate via a rotating assembly, and a clamping plate connected to the outer wall of the rotating rod via a clamping assembly. A first motor is fixedly connected to the left end of the base, and the drive end of the first motor penetrates the inner wall of the base and is fixedly connected to a bidirectional threaded rod. Slider blocks are threadedly connected to both the left and right sides of the outer wall of the bidirectional threaded rod, and a fixing plate is fixedly connected to the top of the right slider. This utility model allows circuit boards of different sizes to be fixed on a processing table, and the grinding angle can be adjusted according to the required grinding angle of different circuit boards, improving the practicality of the device. It also reduces the time workers spend installing circuit boards, simplifies operation, and improves work efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of circuit board manufacturing technology, and in particular to an edge grinding device for circuit board manufacturing. Background Technology

[0002] During the circuit board manufacturing process, it is often necessary to trim the dimensions of the circuit board to ensure that it meets the design requirements and product specifications. Edge grinding devices can trim the edges of the circuit board by cutting, grinding and other methods to remove unnecessary edge material or irregular shapes, so that the circuit board reaches the required size.

[0003] A search revealed a circuit board edge grinding device (publication number CN210609897U) for circuit board production. The device includes a base and a circuit board mounting bracket. A first motor is fixedly connected to the inner side of the base, a rotating block is fixedly connected to the end of the motor's main shaft, and a circuit board mounting bracket is fixedly connected to the top of the rotating block. A fixing rod is fixedly connected to the inner side of the mounting bracket, a sliding ring is slidably connected to the outer end face of the fixing rod, a pressure plate is fixedly connected to the outer side of the sliding ring, and a spring is provided on the outer side of the fixing rod. The bottom end of the spring is fixedly connected to the top end of the sliding ring. This invention, through the circuit board mounting bracket, pressure plate, and other components, allows for edge grinding of all circuit boards inserted into the mounting bracket in a single operation, improving work efficiency. Furthermore, it eliminates the need for operators to hold the circuit boards, reducing operational intensity and facilitating rapid circuit board production.

[0004] Based on the aforementioned patent, the circuit board holder, pressure plate, and other components mentioned in the background technology allow for edge grinding of all circuit boards inserted in the circuit board holder in a single operation, improving work efficiency and eliminating the need for operators to hold the circuit boards, thus reducing operational intensity and facilitating rapid circuit board production. However, this device can only grind the circuit boards at one angle and cannot be adjusted according to the grinding angle required for different circuit boards, thereby reducing the device's practicality. In response to this technical problem, this application proposes an edge grinding device for circuit board production. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a grinding device for circuit board production. This device can fix circuit boards of different sizes on a processing table and can be adjusted according to the grinding angle required for different circuit boards, thereby improving the practicality of the device. It can also reduce the time workers spend installing circuit boards, making it easier for workers to operate and improving work efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A grinding device for circuit board production includes a base. A main rotating plate is disposed on the left side of the top of the base. A secondary rotating plate is rotatably connected to the top of the main rotating plate. A rotating rod is connected to the top of the secondary rotating plate via a rotating assembly. A clamping plate is connected to the outer wall of the rotating rod via a clamping assembly. A first motor is fixedly connected to the left end of the base. The driving end of the first motor penetrates the inner wall of the base and is fixedly connected to a bidirectional threaded rod. Slider blocks are threadedly connected to both sides of the outer wall of the bidirectional threaded rod. A fixing plate is fixedly connected to the top of the right slider. A third motor is fixedly connected to the right end of the fixing plate. The driving end of the third motor penetrates the inner wall of the fixing plate and is fixedly connected to a grinding disc.

[0008] Furthermore, the rotating assembly includes a mounting base located at the top of the secondary rotating plate, with support frames fixedly connected to both the front and rear sides of the top of the mounting base, and a second motor fixedly connected to the front end of the front support frame.

[0009] Furthermore, the clamping assembly includes a processing table fixedly connected to the outer wall of the rotating rod, and multiple telescopic rods fixedly connected to the opposite side of the inner wall of the processing table. The inner wall of the processing table is connected to the inner wall of the clamping plate by a spring.

[0010] Furthermore, the second motor drive end is fixedly connected to the front end of the rotating rod through the inner wall of the front support frame, and the front and rear ends of the rotating rod are respectively rotatably connected to opposite ends of the support frame.

[0011] Furthermore, the opposite ends of the springs are respectively fixedly connected to opposite sides of the inner wall of the processing table, and the opposite ends of the springs are respectively fixedly connected to opposite ends of the clamping plates.

[0012] Furthermore, the left and right ends of the bidirectional threaded rod are rotatably connected to the inner wall of the base, respectively.

[0013] Furthermore, the outer walls of the sliders are all slidably connected to the inner walls of the base.

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

[0015] In this invention, through the cooperation of the main rotating plate, the auxiliary rotating plate, the second motor, the support frame, the rotating rod, the processing table, the telescopic rod, the spring, and the clamping plate, circuit boards of different sizes can be fixed on the processing table. The grinding angle can be adjusted according to the different circuit boards, improving the practicality of the device. At the same time, it can also reduce the time for workers to install circuit boards, facilitate worker operation, and improve work efficiency. Attached Figure Description

[0016] Figure 1 This is a front view of a grinding device for circuit board production according to the present invention;

[0017] Figure 2This is a cross-sectional view of the base of a grinding device for circuit board production proposed in this utility model;

[0018] Figure 3 This utility model provides a structural diagram of the main rotating plate of a grinding device for circuit board production.

[0019] Figure 4 This is a cross-sectional view of the processing table of a grinding device for circuit board production proposed in this utility model.

[0020] Legend:

[0021] 1. Base; 2. First motor; 3. Bidirectional threaded rod; 4. Slider; 5. Main rotating plate; 6. Secondary rotating plate; 7. Mounting base; 8. Support frame; 9. Second motor; 10. Processing table; 11. Rotating rod; 12. Telescopic rod; 13. Spring; 14. Clamping plate; 15. Fixing plate; 16. Third motor; 17. Grinding disc. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figure 1-4 This utility model provides an embodiment of a grinding device for circuit board production, comprising a base 1, a main rotating plate 5 disposed on the left side of the top of the base 1, a secondary rotating plate 6 rotatably connected to the top of the main rotating plate 5, a rotating rod 11 connected to the top of the secondary rotating plate 6 via a rotating assembly, a clamping plate 14 connected to the outer wall of the rotating rod 11 via a clamping assembly, a first motor 2 fixedly connected to the left end of the base 1, the driving end of the first motor 2 penetrating the inner wall of the base 1 and fixedly connected to a bidirectional threaded rod 3, sliders 4 threadedly connected to both sides of the outer wall of the bidirectional threaded rod 3, a fixing plate 15 fixedly connected to the top of the right slider 4, a third motor 16 fixedly connected to the right end of the fixing plate 15, the driving end of the third motor 16 penetrating the inner wall of the fixing plate 15 and fixedly connected to a grinding disc 17. The left and right ends of the bidirectional threaded rod 3 are rotatably connected to the inner wall of the base 1, and the outer walls of the sliders 4 are slidably connected to the inner wall of the base 1.

[0024] Specifically, after the adjustment is completed, the first motor 2 and the third motor 16 are started. The third motor 16 drives the grinding disc 17 to rotate, the first motor 2 drives the bidirectional threaded rod 3 to rotate, and the bidirectional threaded rod 3 drives the sliders 4 on both sides of the outer wall to move, so that the mounting base 7 and the fixing plate 15 move to the opposite end, and the circuit board is ground by the grinding disc 17.

[0025] The rotating assembly includes a mounting base 7 located at the top of the auxiliary rotating plate 6. Support frames 8 are fixedly connected to both the front and rear sides of the top of the mounting base 7. A second motor 9 is fixedly connected to the front end of the front support frame 8. The clamping assembly includes a processing table 10 fixedly connected to the outer wall of the rotating rod 11. Multiple telescopic rods 12 are fixedly connected to the opposite side of the inner wall of the processing table 10. The inner wall of the processing table 10 is connected to the inner wall of the clamping plate 14 by springs 13. The driving end of the second motor 9 passes through the inner wall of the front support frame 8 and is fixedly connected to the front end of the rotating rod 11. The front and rear ends of the rotating rod 11 are rotatably connected to the opposite ends of the support frame 8. The opposite ends of the springs 13 are fixedly connected to the opposite sides of the inner wall of the processing table 10. The opposite ends of the springs 13 are fixedly connected to the opposite ends of the clamping plate 14.

[0026] Specifically, firstly, the circuit board is placed on the processing table 10, and the clamping plates 14 are pulled to both sides. The clamping plates 14 are moved by the spring 13 and the telescopic rod 12 to clamp the circuit board, thereby fixing circuit boards of different sizes on the processing table 10, improving the practicality of the device. After fixing, the worker can control the second motor 9, which drives the rotating rod 11 and the processing table 10 to rotate. The angle of the circuit board fixed on the processing table 10 can be adjusted by controlling the second motor 9, so that the grinding angle required by different circuit boards can be adjusted, improving the practicality of the device. After grinding one side, the worker can control the first motor 2 to rotate in the opposite direction, so that the mounting base 7 and the fixing plate 15 move a certain distance to the opposite end, and then rotate the mounting base 7 clockwise to rotate the processing table 10 and the circuit board, grinding the other end of the circuit board. This reduces the time for the worker to install the circuit board, facilitates the worker's operation, and improves work efficiency. At the same time as rotating, the mounting base 7 will drive the auxiliary rotating plate 6 to rotate on the top of the main rotating plate 5. The auxiliary rotating plate 6 can only rotate clockwise on the top of the main rotating plate 5.

[0027] Working principle: First, the circuit board is placed on the processing table 10, and the clamping plates 14 are pulled to both sides. The springs 13 and the telescopic rod 12 move the clamping plates 14, clamping the circuit board. This allows circuit boards of different sizes to be fixed on the processing table 10, improving the device's practicality. After fixing, the worker can control the second motor 9, which drives the rotating rod 11 to rotate. The rotating rod 11 then drives the processing table 10 to rotate. The angle of the circuit board fixed on the processing table 10 can be adjusted by controlling the second motor 9, allowing for adjustments based on the required grinding angle for different circuit boards, further improving the device's practicality. After adjustment, the first motor 2 and the third motor 16 are started. The third motor 16 drives the grinding disc. 17. Rotation: The first motor 2 drives the bidirectional threaded rod 3 to rotate, which in turn drives the sliders 4 on both sides of the outer wall to move, causing the mounting base 7 and the fixing plate 15 to move to the opposite end. The grinding disc 17 then grinds the circuit board. After grinding one side, the worker can control the first motor 2 to rotate in the opposite direction, causing the mounting base 7 and the fixing plate 15 to move a certain distance to the opposite end. Then, the mounting base 7 is rotated clockwise to rotate the processing table 10 and the circuit board, grinding the other end of the circuit board. This reduces the time for workers to install the circuit board, facilitates worker operation, and improves work efficiency. While rotating, the mounting base 7 will drive the auxiliary rotating plate 6 to rotate on the top of the main rotating plate 5. The auxiliary rotating plate 6 can only rotate clockwise on the top of the main rotating plate 5.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A grinding device for circuit board production, comprising a base (1), characterized in that: A main rotating plate (5) is provided on the left side of the top of the base (1). A secondary rotating plate (6) is rotatably connected to the top of the main rotating plate (5). A rotating rod (11) is connected to the top of the secondary rotating plate (6) through a rotating assembly. A clamping plate (14) is connected to the outer wall of the rotating rod (11) through a clamping assembly. A first motor (2) is fixedly connected to the left end of the base (1). The driving end of the first motor (2) penetrates the inner wall of the base (1) and is fixedly connected to a bidirectional threaded rod (3). Sliders (4) are threadedly connected to the left and right sides of the outer wall of the bidirectional threaded rod (3). A fixing plate (15) is fixedly connected to the top of the slider (4) on the right side. A third motor (16) is fixedly connected to the right end of the fixing plate (15). The driving end of the third motor (16) penetrates the inner wall of the fixing plate (15) and is fixedly connected to a grinding disc (17).

2. The edge grinding device for circuit board production according to claim 1, characterized in that: The rotating assembly includes a mounting base (7) located at the top of the sub-rotating plate (6). Support frames (8) are fixedly connected to both the front and rear sides of the top of the mounting base (7). A second motor (9) is fixedly connected to the front end of the support frame (8).

3. The edge grinding device for circuit board production according to claim 1, characterized in that: The clamping assembly includes a processing table (10) fixedly connected to the outer wall of the rotating rod (11). Multiple telescopic rods (12) are fixedly connected to the opposite side of the inner wall of the processing table (10). The inner wall of the processing table (10) is connected to the inner wall of the clamping plate (14) by a spring (13).

4. The edge grinding device for circuit board production according to claim 2, characterized in that: The second motor (9) drive end passes through the inner wall of the front support frame (8) and is fixedly connected to the front end of the rotating rod (11). The front and rear ends of the rotating rod (11) are respectively rotatably connected to the opposite end of the support frame (8).

5. The edge grinding device for circuit board production according to claim 3, characterized in that: The opposite ends of the springs (13) are respectively fixedly connected to the opposite side of the inner wall of the processing table (10), and the opposite ends of the springs (13) are respectively fixedly connected to the opposite end of the clamping plate (14).

6. The edge grinding device for circuit board production according to claim 1, characterized in that: The two-way threaded rod (3) is rotatably connected to the inner wall of the base (1) at its left and right ends respectively.

7. The edge grinding device for circuit board production according to claim 1, characterized in that: The outer wall of the slider (4) is slidably connected to the inner wall of the base (1).