Edge grinding tool for circuit board machining

By designing a circuit board machining edge grinding tool with guide components, the problem of difficult movement direction in circuit board grinding operation is solved, a safe and efficient circuit board grinding process is achieved, and the cleaning performance of the grinding wheel is improved through cleaning brushes.

CN222791462UActive Publication Date: 2025-04-25HUNAN LIER PRINTED CIRCUTT BOARD CO LTD
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Patent Information

Application Number
CN202421541538.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-04-25
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

In the edge grinding operation of the circuit board, it is difficult to control the movement direction of the circuit board, and there is a risk of the operator contacting the grinding wheel.

Method used

A circuit board processing edge grinding tool is designed, including a grinding table, a grinding wheel and a motor. The top of the grinding table is provided with a rotating groove and a guide assembly. The guide assembly is composed of a first guide plate, a second guide plate, an expansion groove, an expansion plate, a fixing hole and a fixing bolt to guide and adjust the movement direction of the circuit board.

Benefits of technology

Effective control of the movement direction of the circuit board is achieved, the risk of operator contact with the grinding wheel is reduced, and dust and debris on the surface of the grinding wheel is cleaned through a cleaning brush.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222791462U_ABST
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Abstract

The utility model discloses an edging tool for circuit board processing, and particularly relates to the technical field of edging tools, the edging tool for circuit board processing comprises a polishing table, a grinding wheel and a motor, a rotating groove is arranged at the center of the top end of the polishing table, the grinding wheel is movably arranged in the rotating groove, the motor is arranged at one end of the grinding wheel, and the motor is arranged at the other end of the grinding wheel. A guide assembly is arranged at the top end of the grinding table. The first guide plate and the second guide plate are arranged, the first guide plate and the second guide plate are located at the top of the polishing table and are symmetrically distributed, gaps are formed between the first guide plate and the second guide plate, the first guide plate and the second guide plate are used for moving the circuit board, and meanwhile the moving direction of the circuit board is guided; and the expansion plate can move upwards along the expansion slot to perform auxiliary expansion treatment on the heights of the first guide plate and the second guide plate, so that the use of circuit boards with different specifications is met, and the guidance quality of the edge grinding tool for circuit board processing on the circuit board is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of edge grinding tools, in particular to an edge grinding tool for processing a circuit board. Background Art

[0002] During the manufacturing process of circuit boards, the surface of the circuit boards needs to be ground and polished to remove the oxide layer, pollutants and roughness on the surface and improve the surface quality and reliability of the circuit boards. The circuit board grinding machine can grind and polish the surface of the circuit board through rotating grinding wheels and grinding discs, so as to achieve the purpose of removing the oxide layer, pollutants and roughness on the surface. This device is the circuit board processing edge grinding tooling;

[0003] When the circuit board is being edged, if the moving direction of the circuit board when it contacts the grinding wheel is skewed, it will not only affect the edge grinding structure of the circuit board, but also cause danger if the operator accidentally contacts the grinding wheel.

[0004] Therefore, a circuit board processing edge grinding tool is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a circuit board processing edge grinding tool to solve the problem in the background technology that it is inconvenient to control the moving direction of the circuit board during the circuit board processing edge grinding operation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board processing edge grinding tool, comprising a grinding table, a grinding wheel and a motor, a rotating groove is provided at the center position of the top of the grinding table, a grinding wheel is movably installed inside the rotating groove, a motor is installed at one end of the grinding wheel, a guide assembly is provided at the top of the grinding table, and the guide assembly comprises a first guide plate, a second guide plate, an expansion slot, an expansion plate, a fixing hole and a fixing bolt, a first guide plate is installed at one end of the top of the grinding table, and a second guide plate is installed at the other end of the top of the grinding table, the tops of the first guide plate and the second guide plate are both provided with an expansion slot, the inside of the expansion slot is provided with an expansion plate, the tops of one ends of the first guide plate and the second guide plate are both provided with a fixing hole, the inside of the fixing hole is provided with a fixing bolt, and one end of the fixing bolt extends to the inside of the expansion slot.

[0007] Preferably, the first guide plate and the second guide plate have the same cross-section, and the first guide plate and the second guide plate are distributed in parallel.

[0008] Preferably, both ends of the top of the grinding table are provided with lifting grooves, a lifting plate is provided inside the lifting groove, a connecting hole is provided at one end of the lifting plate, and a slide plate is fixed to the top of the lifting plate.

[0009] Preferably, a slide groove is provided at one end of the lifting groove, and a connecting bolt is provided on the inner side of the slide groove.

[0010] Preferably, two groups of connection holes are provided at one end of the lifting plate, and the two groups of connection holes are symmetrically distributed.

[0011] Preferably, a locking cap is fixed to one end of the connecting bolt, the cross section of the connecting bolt is smaller than the cross section of the connecting hole, and the other end of the connecting bolt extends to the inside of the connecting hole.

[0012] Preferably, a mounting table is fixed at the center position of the bottom end of the grinding table, a mounting hole is provided inside the mounting table, the top end of the mounting hole extends to the inside of the rotating groove, a mounting head is provided inside the mounting hole, and a cleaning brush is installed on the top end of the mounting head.

[0013] Preferably, the interior of the mounting hole is provided with an internal thread, and the surface of the mounting head is provided with an external thread.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a first guide plate and a second guide plate, the first guide plate and the second guide plate are located on the top of the grinding table and are symmetrically distributed, and the gap between them is used for moving the circuit board, and at the same time, the moving direction of the circuit board is guided. If the fixing bolt is loosened and the fixing of the expansion board is loosened, the expansion board can move up along the expansion slot, and the height of the first guide plate and the second guide plate is auxiliary expanded, so as to meet the use of circuit boards of different specifications, and realize the guiding property of the circuit board processing and grinding tooling for the circuit board;

[0015] By providing a slide plate, after the outer connecting bolt is loosened, the lifting plate inside the lifting slot can be moved up and down with the help of the connecting bolt, so that the height of the slide plate on the top of the lifting slot can be adjusted, and the height of the grinding side of the circuit board can be assisted by the slide plate, thereby realizing the adjustability of the height position of the grinding side of the circuit board of the circuit board processing and grinding tool;

[0016] By providing a cleaning brush, the mounting table is located at the bottom side of the grinding table. When in use, the mounting head is inserted into the mounting hole inside the mounting table for installation. At this time, the cleaning brush on the top of the mounting head contacts the bottom of the grinding wheel. As the grinding wheel rotates and contacts the cleaning brush, the cleaning brush can assist in processing dust and debris on the surface of the grinding wheel, thereby achieving the cleanliness of the grinding wheel when the circuit board processing and edge grinding tool is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the side cross-sectional structure of the first guide plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the side cross-sectional structure of the lifting tank of the utility model;

[0021] Figure 5 It is a schematic diagram of the front cross-sectional structure of the cleaning brush of the present utility model.

[0022] In the figure: 1. grinding table; 2. rotating groove; 3. grinding wheel; 4. motor; 5. first guide plate; 6. second guide plate; 7. expansion slot; 8. expansion plate; 9. fixing hole; 10. fixing bolt; 11. lifting slot; 12. lifting plate; 13. connecting hole; 14. slide plate; 15. slide groove; 16. connecting bolt; 17. locking cap; 18. mounting table; 19. mounting hole; 20. mounting head; 21. cleaning brush. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments 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 in 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] See also Figure 1-5 , the utility model provides an embodiment: a circuit board processing edge grinding tool, including a grinding table 1, a grinding wheel 3 and a motor 4, a rotating groove 2 is arranged at the center position of the top of the grinding table 1, a grinding wheel 3 is movably installed inside the rotating groove 2, a motor 4 is installed at one end of the grinding wheel 3, a guide assembly is arranged at the top of the grinding table 1, the guide assembly includes a first guide plate 5, a second guide plate 6, an expansion slot 7, an expansion plate 8, a fixing hole 9 and a fixing bolt 10, a first guide plate 5 is installed at one end of the top of the grinding table 1, and a second guide plate 6 is installed at the other end of the top of the grinding table 1, the first guide plate 5 and the second guide plate 6 have the same cross-section, the first guide plate 5 and the second guide plate 6 are distributed in parallel, the tops of the first guide plate 5 and the second guide plate 6 are both provided with an expansion slot 7, the inside of the expansion slot 7 is provided with an expansion plate 8, the tops of one end of the first guide plate 5 and the second guide plate 6 are both provided with a fixing hole 9, the inside of the fixing hole 9 is provided with a fixing bolt 10, and one end of the fixing bolt 10 extends to the inside of the expansion slot 7;

[0025] Specifically, Figure 1 , Figure 2 and Figure 3As shown, when in use, the first guide plate 5 and the second guide plate 6 are parallelly located at the top position of the polishing table 1, and the circuit board slides between the first guide plate 5 and the second guide plate 6, and the first guide plate 5 and the second guide plate 6 are used for limiting and guiding. If the fixing bolt 10 is loosened and the fixing of the expansion plate 8 is released, the expansion plate 8 can move up along the expansion slot 7, and the height of the first guide plate 5 and the second guide plate 6 is auxiliary expanded, which can meet the use of circuit boards of different specifications and sizes;

[0026] Both ends of the top of the grinding table 1 are provided with lifting grooves 11, and a lifting plate 12 is provided inside the lifting groove 11. A connecting hole 13 is provided at one end of the lifting plate 12. Two groups of connecting holes 13 are provided at one end of the lifting plate 12, and the two groups of connecting holes 13 are symmetrically distributed. A slide plate 14 is fixed to the top of the lifting plate 12, and a slide groove 15 is provided at one end of the lifting groove 11. A connecting bolt 16 is provided inside the slide groove 15, and a locking cap 17 is fixed to one end of the connecting bolt 16. The cross section of the connecting bolt 16 is smaller than the cross section of the connecting hole 13, and the other end of the connecting bolt 16 extends to the inside of the connecting hole 13;

[0027] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, when in use, the grinding side of the circuit board moves along the slide plate 14, and the auxiliary grinding side contacts the grinding wheel 3 for grinding. If the outer connecting bolt 16 is loosened, the lifting plate 12 inside the lifting groove 11 can be moved up and down with the help of the connecting bolt 16, so that the height of the slide plate 14 at the top of the lifting groove 11 can be adjusted, and the height difference between the grinding side and the grinding wheel 3 can be assisted to adjust;

[0028] A mounting platform 18 is fixed at the center of the bottom end of the grinding table 1, and a mounting hole 19 is arranged inside the mounting platform 18. The top of the mounting hole 19 extends to the inside of the rotating groove 2. A mounting head 20 is arranged inside the mounting hole 19. The inside of the mounting hole 19 is provided with an internal thread, and the surface of the mounting head 20 is provided with an external thread. A cleaning brush 21 is installed on the top of the mounting head 20;

[0029] Specifically, Figure 1 and Figure 5 As shown, when in use, after the mounting head 20 is installed inside the mounting platform 18 through threads, the cleaning brush 21 on the top contacts the surface of the grinding wheel 3. As the motor 4 drives the grinding wheel 3 to rotate, the rotating grinding wheel 3 continuously contacts the cleaning brush 21. The cleaning brush 21 can assist in cleaning the dust and debris on the surface of the grinding wheel 3.

[0030] Working principle: When in use, the mounting head 20 is inserted into the mounting table 18 at the bottom of the grinding table 1 for installation, and the cleaning brush 21 on the top of the mounting head 20 enters the rotating groove 2 and contacts the surface of the grinding wheel 3. When in use, first loosen the connecting bolt 16, and adjust the height position of the lifting plate 12 and the slide plate 14 with the help of the connecting bolt 16, and adjust the height difference between the slide plate 14 and the grinding wheel 3. After that, the circuit board can enter between the first guide plate 5 and the second guide plate 6, and the grinding side contacts with the slide plate 14 and moves toward the grinding wheel 3 along the slide plate 14. With the help of the rotating grinding wheel 3, the grinding side is polished, and the rotating grinding wheel 3 is constantly in contact with the cleaning brush 21. With the help of the cleaning brush 21, the grinding wheel 3 can be assisted in cleaning. If the size of the circuit board is large, the fixing bolt 10 can be loosened. After loosening the fixation of the expansion board 8, the expansion board 8 can move up along the expansion slot 7, and the height of the first guide plate 5 and the second guide plate 6 is assisted in expansion, which can meet the use of larger circuit boards.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A circuit board processing edge grinding tool, comprising a grinding table (1), a grinding wheel (3) and a motor (4), characterized in that: A rotating groove (2) is arranged at the center position of the top of the grinding table (1), a grinding wheel (3) is movably installed inside the rotating groove (2), a motor (4) is installed at one end of the grinding wheel (3), and a guide component is arranged at the top of the grinding table (1); The guide assembly comprises a first guide plate (5), a second guide plate (6), an expansion slot (7), an expansion plate (8), a fixing hole (9) and a fixing bolt (10); the first guide plate (5) is installed at one end of the top of the grinding table (1); the second guide plate (6) is installed at the other end of the top of the grinding table (1); the top of the first guide plate (5) and the second guide plate (6) are both provided with an expansion slot (7); the expansion plate (8) is arranged inside the expansion slot (7); the top of one end of the first guide plate (5) and the second guide plate (6) are both provided with a fixing hole (9); the fixing bolt (10) is arranged inside the fixing hole (9); one end of the fixing bolt (10) extends to the inside of the expansion slot (7).

2. The circuit board processing edge grinding tool according to claim 1, characterized in that: The first guide plate (5) and the second guide plate (6) have the same cross-section, and the first guide plate (5) and the second guide plate (6) are distributed in parallel.

3. The circuit board processing edge grinding tool according to claim 1, characterized in that: Both ends of the top of the grinding table (1) are provided with lifting grooves (11), a lifting plate (12) is provided inside the lifting groove (11), a connecting hole (13) is provided at one end of the lifting plate (12), and a slide plate (14) is fixed at the top of the lifting plate (12).

4. The circuit board processing edge grinding tool according to claim 3, characterized in that: A slide groove (15) is provided at one end of the lifting groove (11), and a connecting bolt (16) is provided inside the slide groove (15).

5. The circuit board processing edge grinding tool according to claim 3, characterized in that: Two groups of connection holes (13) are provided at one end of the lifting plate (12), and the two groups of connection holes (13) are symmetrically distributed.

6. The circuit board processing edge grinding tool according to claim 4, characterized in that: A locking cap (17) is fixed to one end of the connecting bolt (16), the cross section of the connecting bolt (16) is smaller than the cross section of the connecting hole (13), and the other end of the connecting bolt (16) extends into the interior of the connecting hole (13).

7. The circuit board processing edge grinding tool according to claim 1, characterized in that: A mounting platform (18) is fixed at the center position of the bottom end of the grinding platform (1), a mounting hole (19) is arranged inside the mounting platform (18), the top end of the mounting hole (19) extends to the inside of the rotating groove (2), a mounting head (20) is arranged inside the mounting hole (19), and a cleaning brush (21) is installed at the top end of the mounting head (20).

8. The circuit board processing edge grinding tool according to claim 7, characterized in that: The interior of the mounting hole (19) is provided with an internal thread, and the surface of the mounting head (20) is provided with an external thread.