Round corner device based on PCB (Printed Circuit Board) processing
By designing structures such as hydraulic cylinders and sliding blocks to fix the PCB board, the problem of reduced processing accuracy caused by the different lengths and sizes of the PCB board is solved, and dust pollution is reduced through the disassembly of the ash container, which improves the processing quality and equipment life.
Patent Information
- Application Number
- CN202421177648.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-28
AI Technical Summary
In the prior art, the different lengths of PCB boards make it difficult to fix, resulting in a decrease in processing accuracy, inconsistent rounded corner sizes or irregular shapes, and accidental collisions or vibrations are prone to occur during processing, affecting the reliability and efficiency of processing.
A rounded corner device based on PCB board processing is designed, using hydraulic cylinders, sliding blocks, T-blocks, square blocks, slide blocks, positioning plates and other structures to achieve the fixation of PCB boards of different lengths and prevent movement. Or swing, and through the coordination of ash container, fixed block, connecting frame, slider, spring and other structures, the disassembly of the ash container is achieved to reduce dust pollution.
Ensure stability and accuracy during processing, produce consistent rounded corner size and shape, improve the processing quality of PCB boards, reduce dust pollution to the machine and surrounding areas, and extend the service life of the equipment.
Smart Images

Figure CN222327615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinding devices, in particular to a rounded corner device for PCB board processing. Background Art
[0002] A grinding device is a device or tool used to remove the surface of a material through a grinding process. The sharp corners of a PCB may cause accidental scratches, so in some applications, especially when manual handling of the PCB is required, the use of a rounding device can reduce this risk.
[0003] After searching, the Chinese patent document announcement number: CN219305123U discloses a high-efficiency corner rounding machine, which relates to the technical field of grinding devices, solves the problem that the existing grinding device has no structure to control the grinding pressure, so that when the PCB board is rounded, it is easy to damage the PCB board due to excessive grinding pressure, and the processing quality is not high. It includes a connecting shaft, and the connecting shaft is laterally connected to the inside of the positioning seat. When the grinding pressure is greater than the set pressure, the driving component can automatically disconnect the driving relationship of the connecting shaft, so that the grinding shaft will not rotate, thereby avoiding the phenomenon of damage to the PCB board due to excessive grinding pressure. It is stable to use, and the grinding pressure can be freely set, which can adapt to the corner rounding operation of different types of PCB boards.
[0004] The beneficial effects of the above patent specification mention that "the phenomenon of PCB board damage caused by excessive grinding pressure is avoided, the use is stable, and the grinding pressure can be freely set, which can adapt to the rounding operation of different types of PCB boards, and has strong flexibility, adaptability and practicality." Although the above patent can avoid the problem of PCB board damage caused by excessive grinding pressure, some PCB boards in the prior art are of different lengths, which makes it difficult to fix them. They are prone to movement or swing during the processing, resulting in reduced processing accuracy, inconsistent fillet size or irregular shape, and accidental collision or vibration may occur during the processing, causing damage to the device, thereby affecting the reliability and efficiency of the processing. Therefore, in view of the above shortcomings, a rounding device for PCB board processing is proposed. Utility Model Content
[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a rounded corner device for PCB board processing, aiming to improve the problem in the prior art that some PCB boards are of different lengths, making them difficult to fix, thereby reducing the processing accuracy.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A fillet device for PCB board processing comprises a box body, wherein a base is fixedly connected inside the box body, a square box is fixedly connected to the right side of the bottom of the base, a driving component 1 is fixedly connected to the bottom inner wall of the square box, a fixed box is fixedly connected to the right side of the top of the driving component 1, a driving component 2 is fixedly connected to the right side of the top of the fixed box, a grinding wheel is fixedly connected to the left side of the driving component 2, a square box is fixedly connected to the left side of the bottom of the base, a hydraulic cylinder 1 is fixedly connected to the bottom inner wall of the square box, a sliding block is fixedly connected to the driving end of the hydraulic cylinder 1, a T-shaped block is fixedly connected to the top of the sliding block, a square opening is provided at the top of the base, a square block is slidably connected to the inner wall of the square opening, a slider is fixedly connected to the bottom of the square block, a T-shaped slot is provided inside the bottom end of the slider, a positioning plate 1 is fixedly connected to the top of the square block, a dust removal component is fixedly connected to the top of the fixed box, a connecting plate is fixedly connected to the right side of the base, and a positioning plate 2 is fixedly connected to the top of the connecting plate;
[0008] As a further description of the above technical solution:
[0009] The driving assembly 1 includes a motor 1, a driving end of the motor 1 is fixedly connected to a rotating shaft 1, the outside of the rotating shaft 1 is fixedly connected to a rotating plate, the top right side of the rotating plate is fixedly connected to the bottom of the fixed box, the bottom of the motor 1 is fixedly connected to the bottom inner wall of the square box, the top inner wall of the box is fixedly connected to a hydraulic cylinder 2, and the driving end of the hydraulic cylinder 2 is fixedly connected to a pressure plate;
[0010] As a further description of the above technical solution:
[0011] The second driving assembly includes a cylinder, a driving end of the cylinder is fixedly connected to a sliding plate, a left side of the sliding plate is fixedly connected to a second motor, a driving end of the second motor is fixedly connected to a second rotating shaft, a driving end of the second rotating shaft is fixedly connected to the right side of the grinding wheel, the right side of the cylinder is fixedly connected to the right inner wall of the fixed box, and the outer side of the sliding plate is slidably connected to the inner wall of the fixed box;
[0012] As a further description of the above technical solution:
[0013] The dust removal assembly comprises a connecting block and an ash collecting box, the left side of the connecting block is fixedly connected to the ash suction box, the top of the ash suction box is fixedly connected to a connecting pipe, the top left side of the connecting pipe is fixedly connected to a dust collector, the rear side of the ash collecting box is fixedly connected to a mounting block, a groove is provided inside the mounting block, a fixing block is fixedly connected to the bottom right side of the base, an inner cavity is provided inside the fixing block, a connecting frame is slidably connected to the inner wall of the inner cavity, a slide plate is fixedly connected to the outside of the connecting frame, and a spring is fixedly connected to the left side of the slide plate;
[0014] As a further description of the above technical solution:
[0015] The outer portion of the connecting frame is engaged with the inner wall of the groove, and the left side of the spring is fixedly connected to the left inner wall of the fixing block;
[0016] As a further description of the above technical solution:
[0017] The bottom inner wall of the square box is fixedly connected to the limiting column, the top of the limiting column is fixedly connected to the bottom left side of the base, the inside of the sliding block is slidably connected to the outside of the limiting column, the left side of the sliding block is slidably connected to the left inner wall of the square box, the outside of the T-shaped block is slidably connected to the inner wall of the T-shaped groove, and the bottom of the positioning plate 1 is fixedly connected to the top left side of the base;
[0018] As a further description of the above technical solution:
[0019] One of the support frames is fixedly connected to the right side of the bottom of the rotating plate, another support frame is fixedly connected to the bottom of the square box, and the outside of the connecting pipe is fixedly connected to the inner wall of the support frame;
[0020] As a further description of the above technical solution:
[0021] The front and rear sides of the bottom of the base are fixedly connected with support legs, the upper and lower sides of the right parts of the two support legs are fixedly connected with arc plates, and the outer part of the rotating plate is slidably connected to the adjacent side of the two arc plates.
[0022] The utility model has the following beneficial effects:
[0023] 1. In the utility model, by the mutual cooperation of the hydraulic cylinder 1, the sliding block, the T-shaped block, the square block, the slider, the positioning plate 1, the connecting plate, the positioning plate 2 and other structures, the PCB boards of different lengths are fixed, thereby preventing the PCB boards from moving or swinging during processing, ensuring the stability and accuracy of the processing process, thereby producing consistent fillet size and shape, and improving the processing quality of the PCB boards.
[0024] 2. In the utility model, the ash box is disassembled through the cooperation of the ash box, the fixing block, the connecting frame, the slide plate, the spring, the mounting block and other structures, thereby reducing the pollution of dust to the machine and the surrounding area, improving the comfort and safety of work, and extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A three-dimensional diagram of a device for rounding corners for PCB board processing proposed by the utility model;
[0026] Figure 2 This is a schematic diagram of the internal structure of a box body based on the rounded corner device for PCB board processing proposed by the utility model;
[0027] Figure 3 This is a schematic diagram of the structure of a rotating plate based on a rounded corner device for PCB board processing proposed by the utility model;
[0028] Figure 4 This is a schematic diagram of the internal structure of a square box based on the rounded corner device for PCB board processing proposed by the utility model;
[0029] Figure 5 This is a schematic diagram of the connecting frame structure of the corner fillet device for PCB board processing proposed by the utility model.
[0030] Legend:
[0031] 1. Box body; 2. Base; 3. Square box; 4. Motor 1; 5. Rotating shaft 1; 6. Rotating plate; 7. Fixed box; 8. Cylinder; 9. Sliding plate; 10. Motor 2; 11. Rotating shaft 2; 12. Grinding wheel; 13. Square box; 14. Hydraulic cylinder 1; 15. Sliding block; 16. T-shaped block; 17. Square mouth; 18. Square block; 19. Sliding block; 20. T-shaped slot; 21. Positioning plate 1; 22. Connecting plate; 23. Positioning plate 2; 24. Hydraulic cylinder 2; 25. Pressing plate; 26. Connecting block; 27. Ash suction box; 28. Connecting pipe; 29. Vacuum cleaner; 30. Ash collecting box; 31. Fixed block; 32. Inner cavity; 33. Connecting frame; 34. Slide plate; 35. Spring; 36. Mounting block; 37. Groove; 38. Limiting column; 39. Support frame; 40. Arc plate. DETAILED DESCRIPTION
[0032] 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.
[0033] Reference Figure 1 , Figure 2The utility model provides an embodiment: a fillet device for PCB board processing, including a box body 1, which is the outer shell of the entire fillet device, used to wrap and protect the internal mechanical parts and electronic components, and the inside of the box body 1 is fixedly connected with a base 2, which provides a basic support structure for the entire device to ensure stability and reliability, a square box 3 is fixedly connected to the bottom right side of the base 2, a driving component 1 is fixedly connected to the bottom inner wall of the square box 3, a fixed box 7 is fixedly connected to the top right side of the driving component 1, a driving component 2 is fixedly connected to the top right side of the fixed box 7, a grinding wheel 12 is fixedly connected to the left side of the driving component 2, and the driving component 2 is used to drive the rotation and movement of the grinding wheel 12.
[0034] Reference Figure 2 , Figure 3 , Figure 4 A square box 13 is fixedly connected to the left side of the bottom of the base 2. The square box 13 is used as a component warehouse of the device, mainly for placing hydraulic or drive system components. A hydraulic cylinder 14 is fixedly connected to the inner wall of the bottom of the square box 13. The hydraulic cylinder 14 serves as a driving force source and provides the necessary power to drive the movement of the sliding block 15. The driving end of the hydraulic cylinder 14 is fixedly connected to the sliding block 15. The top of the sliding block 15 is fixedly connected to a T-block 16. The sliding block 15 moves under the action of the hydraulic cylinder to push or pull the T-block 16 connected thereto. The T-block 16 is responsible for interacting with subsequent mechanical components to transmit power or complete specific mechanical operations. A square opening 17 is provided at the top of the base 2, and a square block 18 is slidably connected to the inner wall of the square opening 17. The square opening 17 allows the square block 18 matched therewith to slide to meet the needs of different positions. A slider 19 is fixedly connected to the bottom of the square block 18. The slider 19 cooperates with the structure in the square opening 17 to achieve vertical or horizontal adjustment of the square block 18. A T-slot 20 is provided inside the bottom end of the slider 19. The T-slot 20 interacts with the T-block 16 to keep the square block 18 stable during operation. A positioning plate 21 is fixedly connected to the top of the square block 18. The positioning plate 21 is used to fix or guide the PCB board or other components to the correct position.
[0035] A dust removal component is fixedly connected to the top of the fixed box 7. The dust removal component is used to clean the dust and debris generated during the grinding or processing process to keep the working environment clean. A connecting plate 22 is fixedly connected to the right side of the base 2. The connecting plate 22 serves as a connecting and supporting structure for connecting the fixed box 7 or other structures. A positioning plate 23 is fixedly connected to the top of the connecting plate 22. The positioning plate 23 is used in conjunction with the positioning plate 1 21 to jointly determine and fix the position of the PCB board or other processed objects. A hydraulic cylinder 24 is fixedly connected to the inner wall of the top of the box body 1. A pressing plate 25 is fixedly connected to the driving end of the hydraulic cylinder 24. The hydraulic cylinder 24 is used to push the pressing plate 25 to adjust the PCB board. For clamping or other operations, the pressing plate 25 is operated under the drive of the hydraulic cylinder 24 to clamp or release the processed PCB board. The bottom inner wall of the square box 13 is fixedly connected to the limit column 38, and the top of the limit column 38 is fixedly connected to the bottom left side of the base 2. The inner part of the sliding block 15 is slidably connected to the outside of the limit column 38. The limit column 38 is used to control the moving range of the sliding block 15 to ensure that it moves within a predetermined path to prevent excessive travel. The left side of the sliding block 15 is slidably connected to the left inner wall of the square box 13, and the outer part of the T-block 16 is slidably connected to the inner wall of the T-slot 20. The bottom of the positioning plate 21 is fixedly connected to the top left side of the base 2.
[0036] The driving component 1 includes a motor 4, the driving end of the motor 4 is fixedly connected to a rotating shaft 5. The motor 4 is the main energy provider of the driving device and is responsible for driving the rotating shaft 5 to rotate. The outside of the rotating shaft 5 is fixedly connected to a rotating plate 6. The power transmitted by the rotating shaft 5 causes the rotating plate 6 to rotate, thereby affecting the position or state of the fixed box 7. The top right side of the rotating plate 6 is fixedly connected to the bottom of the fixed box 7. The bottom of the motor 4 is fixedly connected to the bottom inner wall of the square box 3. The driving component 2 includes a cylinder 8. The driving end of the cylinder 8 is fixedly connected to a sliding plate 9. The cylinder 8 is another driving force source of the driving device and is responsible for pushing the sliding plate 9 to perform linear motion. The sliding plate 9 is moved forward and backward by the telescopic movement of the cylinder 8. The left side of the sliding plate 9 is fixed. It is connected to a motor 10, which is used for auxiliary driving or adjusting the size of the fillet during processing. The driving end of the motor 10 is fixedly connected to a rotating shaft 11, and the driving end of the rotating shaft 11 is fixedly connected to the right side of the grinding wheel 12. The rotating shaft 11 is used to transmit the power of the motor to the grinding wheel 12 to realize its rotation. The right side of the cylinder 8 is fixedly connected to the right inner wall of the fixed box 7, and the outer sliding plate 9 is slidably connected to the inner wall of the fixed box 7. The front and rear sides of the bottom of the base 2 are fixedly connected to support legs, which are used to support the entire device and provide stability. The upper and lower sides of the right parts of the two support legs are fixedly connected to arc plates 40. The outer sliding of the rotating plate 6 is connected to the adjacent side of the two arc plates 40, and the arc plate 40 is used to provide additional support for the rotating plate 6.
[0037] Reference Figure 2 , Figure 3 , Figure 5 The dust removal assembly includes a connection block 26 and an ash collecting box 30. The left side of the connection block 26 is fixedly connected to an ash collecting box 27. The top of the ash collecting box 27 is fixedly connected to a connecting pipe 28. The top left side of the connecting pipe 28 is fixedly connected to a dust collector 29. The rear side of the ash collecting box 30 is fixedly connected to a mounting block 36. A groove 37 is provided inside the mounting block 36. A fixing block 31 is fixedly connected to the right side of the bottom of the base 2. An inner cavity 32 is provided inside the fixing block 31. A connecting frame 33 is slidably connected to the inner wall of the inner cavity 32. The outside of the connecting frame 33 is fixedly connected to a slide plate 34, the left side of the slide plate 34 is fixedly connected to a spring 35, the outside of the connecting frame 33 is engaged with the inner wall of the groove 37, the left side of the spring 35 is fixedly connected to the left inner wall of the fixed block 31, one of the support frames 39 is fixedly connected to the right side of the bottom of the rotating plate 6, and another support frame 39 is fixedly connected to the bottom of the square box 3, the outside of the connecting pipe 28 is fixedly connected to the inner wall of the support frame 39, and the support frame 39 provides additional support force for the connecting pipe 28.
[0038] Working principle: Place the PCB board on the base 2, start the hydraulic cylinder 14, so that the hydraulic cylinder 14 drives the sliding block 15 to perform upgrading movement, so that the sliding block 15 drives the T-shaped block 16 to move, thereby realizing that the T-shaped block 16 drives the slider 19 to slide, and the slider 19 drives the square block 18 to move, so that the square block 18 drives the positioning plate 21 to move, and realizes the fixation of PCB boards of different lengths, thereby preventing the PCB board from moving or swinging during processing, ensuring the stability and accuracy of the processing process, thereby producing consistent fillet size and shape, and improving the processing quality of the PCB board. When it is necessary to disassemble the dust collection box 30, by pressing the connecting frame 33, the connecting frame 33 drives the slide plate 34 to slide, so that the slide plate 34 drives the spring 35 to be compressed, so that the slide plate 34 drives the connecting frame 33 to move, and the dust collection box 30 is disassembled, thereby reducing the pollution of dust to the machine and the surrounding area, improving the comfort and safety of work, and extending the service life of the equipment.
[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A device for rounding corners for PCB board processing, comprising a box (1), characterized in that: The box body (1) is fixedly connected to a base (2) inside, a square box (3) is fixedly connected to the right side of the bottom of the base (2), a driving component 1 is fixedly connected to the inner wall of the bottom of the square box (3), a fixed box (7) is fixedly connected to the right side of the top of the driving component 1, a driving component 2 is fixedly connected to the right side of the top of the fixed box (7), a grinding wheel (12) is fixedly connected to the left side of the driving component 2, a square box (13) is fixedly connected to the left side of the bottom of the base (2), a hydraulic cylinder 1 (14) is fixedly connected to the inner wall of the bottom of the square box (13), and a sliding block (15) is fixedly connected to the driving end of the hydraulic cylinder 1 (14). ), the top of the sliding block (15) is fixedly connected to a T-shaped block (16), the top of the base (2) is provided with a square opening (17), the inner wall of the square opening (17) is slidably connected to a square block (18), the bottom of the square block (18) is fixedly connected to a sliding block (19), the bottom end of the sliding block (19) is provided with a T-shaped groove (20), the top of the square block (18) is fixedly connected to a positioning plate 1 (21), the top of the fixed box (7) is fixedly connected to a dust removal assembly, the right side of the base (2) is fixedly connected to a connecting plate (22), and the top of the connecting plate (22) is fixedly connected to a positioning plate 2 (23).
2. The device for rounding corners for PCB board processing according to claim 1, characterized in that: The driving assembly 1 comprises a motor 1 (4), the driving end of the motor 1 (4) is fixedly connected to a rotating shaft 1 (5), the outside of the rotating shaft 1 (5) is fixedly connected to a rotating plate (6), the top right side of the rotating plate (6) is fixedly connected to the bottom of the fixed box (7), the bottom of the motor 1 (4) is fixedly connected to the bottom inner wall of the square box (3), the top inner wall of the box body (1) is fixedly connected to a hydraulic cylinder 2 (24), and the driving end of the hydraulic cylinder 2 (24) is fixedly connected to a pressure plate (25).
3. The device for rounding corners for PCB board processing according to claim 1, characterized in that: The second driving component comprises a cylinder (8), the driving end of the cylinder (8) is fixedly connected to a sliding plate (9), the left side of the sliding plate (9) is fixedly connected to a second motor (10), the driving end of the second motor (10) is fixedly connected to a second rotating shaft (11), the driving end of the second rotating shaft (11) is fixedly connected to the right side of the grinding wheel (12), the right side of the cylinder (8) is fixedly connected to the right inner wall of the fixed box (7), and the outer part of the sliding plate (9) is slidably connected to the inner wall of the fixed box (7).
4. The device for rounding corners for PCB board processing according to claim 2, characterized in that: The dust removal assembly comprises a connecting block (26) and an ash collecting box (30), the left side of the connecting block (26) is fixedly connected to an ash collecting box (27), the top of the ash collecting box (27) is fixedly connected to a connecting pipe (28), the left side of the top of the connecting pipe (28) is fixedly connected to a dust collector (29), the rear side of the ash collecting box (30) is fixedly connected to a mounting block (36), a groove (37) is provided inside the mounting block (36), the bottom right side of the base (2) is fixedly connected to a fixing block (31), an inner cavity (32) is provided inside the fixing block (31), the inner wall of the inner cavity (32) is slidably connected to a connecting frame (33), the outside of the connecting frame (33) is fixedly connected to a slide plate (34), and the left side of the slide plate (34) is fixedly connected to a spring (35).
5. The device for rounding corners for PCB board processing according to claim 4 is characterized in that: The outside of the connecting frame (33) is engaged with the inner wall of the groove (37), and the left side of the spring (35) is fixedly connected to the left inner wall of the fixing block (31).
6. The device for rounding corners for PCB board processing according to claim 1, characterized in that: The bottom inner wall of the square box (13) is fixedly connected to a limiting column (38), the top of the limiting column (38) is fixedly connected to the bottom left side of the base (2), the inside of the sliding block (15) is slidably connected to the outside of the limiting column (38), the left side of the sliding block (15) is slidably connected to the left inner wall of the square box (13), the outside of the T-shaped block (16) is slidably connected to the inner wall of the T-shaped groove (20), and the bottom of the positioning plate 1 (21) is fixedly connected to the top left side of the base (2).
7. The device for rounding corners for PCB board processing according to claim 4, characterized in that: One of the support frames (39) is fixedly connected to the right side of the bottom of the rotating plate (6), another support frame (39) is fixedly connected to the bottom of the square box (3), and the outside of the connecting pipe (28) is fixedly connected to the inner wall of the support frame (39).
8. The device for rounding corners for PCB board processing according to claim 2, characterized in that: The front and rear sides of the bottom of the base (2) are fixedly connected to support legs, the upper and lower sides of the right parts of the two support legs are fixedly connected to arc-shaped plates (40), and the outer part of the rotating plate (6) is slidably connected to the adjacent side of the two arc-shaped plates (40).
Citation Information
Patent Citations
Efficient round corner grinding machine
CN219305123U