Edge grinding device for circuit board processing
By introducing a dust cover and exhaust fan system into the edge grinding device, the problem of dust pollution during circuit board grinding was solved, and the effective collection and treatment of dust was achieved, thus protecting the health of processing personnel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG DONGZHICHENG CIRCUIT TECHNOLOGY CO LTD
- Filing Date
- 2025-03-18
- Publication Date
- 2026-04-21
AI Technical Summary
Existing edge grinding devices generate a large amount of dust when grinding circuit boards, which cannot be effectively adsorbed and collected, causing the dust to drift into the air and harm human health.
A circuit board processing edge grinding device was designed, which includes a dust cover, an exhaust fan, a filter box, and a grinding mechanism. The exhaust fan draws dust into the filter box for collection, preventing dust from being released into the air.
It effectively prevents dust from entering the air, protects the health of processing personnel, and realizes the collection and treatment of dust.
Smart Images

Figure CN224144187U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of circuit board production equipment, specifically a circuit board processing edge grinding device. Background Technology
[0002] PCB, or Printed Circuit Board, is an important electronic component. It serves as the support for electronic components and provides electrical connections for them. During the production and processing of PCBs, the edges need to be polished using an edge grinding device after cutting.
[0003] However, existing edge grinding equipment still has the following technical problems in use:
[0004] Existing edge grinding equipment generates a large amount of dust particles during the grinding process of circuit boards. However, the current edge grinding equipment cannot adsorb and collect these dust particles, resulting in a large amount of dust particles being released into the air and easily inhaled by processing personnel, which is harmful to human health.
[0005] Therefore, a circuit board edge grinding device is proposed to solve the above-mentioned problems. Utility Model Content
[0006] The purpose of this invention is to provide a circuit board processing edge grinding device to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a circuit board processing edge grinding device, including a processing table, a support fixed on the upper side of the processing table, a moving mechanism fixed at the rear end of the inner wall of the support, symmetrical dust covers fixed at the front end of the moving mechanism, a rotating mechanism fixed on the side wall of the processing table, a circuit board disposed at the upper end of the rotating mechanism, a pressing mechanism fixed at the upper end of the inner wall of the support, and a grinding mechanism fixed on the inner walls of both dust covers;
[0008] A filter box is fixed to the upper side of the bracket. A cover is snapped onto the upper end of the filter box. A container slot is slidably connected to the lower end of the filter box. An exhaust hole is opened on the front side of the filter box. A first filter screen is fixed inside the exhaust hole. A dust suction hood is fixed to the upper side of each of the two dust covers. An exhaust fan is fixed inside the dust suction hood. A connecting hose is fixed to the upper side of the dust suction hood. The other end of the connecting hose is fixedly connected to the side wall of the filter box. An air inlet is opened on the lower side of each of the two dust covers. A second filter screen is fixed inside each of the two air inlets.
[0009] Preferably, the moving mechanism includes a housing, which is fixedly connected to the rear side of the inner wall of the support. Strip plates are fixed to the left and right sides of the housing. Lead screws are rotatably connected to the interior of each strip plate via bearings. A dual-axis motor is fixed inside the housing. The adjacent ends of the two lead screws are fixedly connected to the output end of the dual-axis motor. Slider blocks are threaded onto the walls of both lead screws. The upper and lower sides of the two sliders are slidably connected to the inner wall of the strip plates. A connecting rod is fixed to the front side of each slider, and the front end of the connecting rod is fixedly connected to the side wall of the dust cover.
[0010] Preferably, the rotating mechanism includes a fixed box, which is fixedly connected to the lower side of the processing table. A first motor is fixed inside the fixed box, and a rotating rod is fixed to the output end of the first motor. The upper end of the rotating rod extends into the interior of two dust covers and is fixed with a support plate.
[0011] Preferably, the pressing mechanism includes a first fixing rod, the upper end of which is fixedly connected to the upper end of the inner wall of the bracket, a second fixing rod is slidably connected inside the first fixing rod, a pressure plate is fixed to the lower end of the second fixing rod, and a fastening bolt is threadedly connected to the right side of the first fixing rod, with one end of the fastening bolt extending into the interior of the first fixing rod engaging with the second fixing rod.
[0012] Preferably, the grinding mechanism includes two telescopic cylinders, which are respectively fixedly connected to the inner wall of the dust cover. Each of the two telescopic cylinders has a mounting box fixed at one end close to each other. Each of the two mounting boxes has a second motor fixed inside. Each of the two second motors has a crossbar fixed at its output end. Each of the two crossbars has a grinding disc fixed at one end close to each other.
[0013] Preferably, both the rotating rod and the second fixed rod have sealing rings fixed to their walls.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] In this application, a large amount of dust is generated during the grinding process of the circuit board edge by the grinding mechanism. Two exhaust fans are used to suck the dust from inside the dust cover and draw it into the filter box through the connecting hose, effectively preventing the dust generated during processing from being released into the air and being inhaled by the human body, thus avoiding harm to human health. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;
[0018] Figure 3 This is a cross-sectional view of the filter box.
[0019] Figure 4 This is a schematic diagram of the moving mechanism;
[0020] Figure 5 This is a schematic diagram of the grinding mechanism.
[0021] In the diagram: 1. Processing table, 2. Support, 3. Dust cover, 4. Circuit board, 5. Filter box, 6. Box cover, 7. Container trough, 8. Dust suction hood, 9. Exhaust fan, 10. Connecting hose, 11. Chassis, 12. Strip plate, 13. Lead screw, 14. Dual-axis motor, 15. Slider, 16. Connecting rod, 17. Fixing box, 18. First motor, 19. Rotating rod, 20. Support plate, 21. First fixing rod, 22. Second fixing rod, 23. Pressure plate, 24. Telescopic cylinder, 25. Mounting box, 26. Second motor, 27. Crossbar, 28. 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] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0024] Example:
[0025] Please see Figure 1-5 This utility model provides a technical solution:
[0026] A circuit board processing edge grinding device includes a processing table 1, a support 2 fixed on the upper side of the processing table 1, a moving mechanism fixed at the rear end of the inner wall of the support 2, and symmetrical dust covers 3 fixed at the front end of the moving mechanism. When the circuit board 4 needs to be processed, the two dust covers 3 are engaged with the outside of the circuit board 4 to prevent the generated dust from overflowing. A rotating mechanism is fixed on the side wall of the processing table 1, and the circuit board 4 is set on the upper end of the rotating mechanism. A pressing mechanism is fixed on the upper end of the inner wall of the support 2, and a grinding mechanism is fixed on the inner wall of both dust covers 3.
[0027] A filter box 5 is fixed to the upper side of the bracket 2. A cover 6 is snapped onto the upper end of the filter box 5. A container 7 is slidably connected to the lower end of the filter box 5. The container 7 is detachable. When a large amount of dust accumulates inside the container 7, it can be removed and poured out. An exhaust hole is opened on the front side of the filter box 5. A first filter screen is fixed inside the exhaust hole. A dust suction hood 8 is fixed to the upper side of each of the two dust covers 3. An exhaust fan 9 is fixed inside the dust suction hood 8. A connecting hose 10 is fixed to the upper side of the dust suction hood 8. The other end of the connecting hose 10 is fixedly connected to the side wall of the filter box 5. An air inlet is opened on the lower side of each of the two dust covers 3. A second filter screen is fixed inside each of the two air inlets.
[0028] The moving mechanism includes a housing 11, which is fixedly connected to the rear side of the inner wall of the bracket 2. Strip plates 12 are fixed on the left and right sides of the housing 11. Screws 13 are rotatably connected to the inside of the two strip plates 12 through bearings. A dual-axis motor 14 is fixed inside the housing 11. The ends of the two screws 13 that are close to each other are fixedly connected to the output end of the dual-axis motor 14. Slider blocks 15 are threadedly connected to the rod walls of the two screws 13. The upper and lower sides of the two sliders 15 are slidably connected to the inner wall of the strip plates 12. Connecting rods 16 are fixed to the front side of the two sliders 15. The front end of the connecting rods 16 is fixedly connected to the side wall of the dust cover 3. The dual-axis motor 14 drives the screws 13 at both ends to rotate. The two screws 13 drive the sliders 15 that are threadedly connected to the rod walls to move closer together. The sliders 15 drive the connecting rods 16 on the side wall to move. The connecting rods 16 drive the two dust covers 3 to move closer together, thereby engaging with the outside of the circuit board 4.
[0029] The rotating mechanism includes a fixed box 17, which is fixedly connected to the lower side of the processing table 1. A first motor 18 is fixed inside the fixed box 17. A rotating rod 19 is fixed to the output end of the first motor 18. The upper end of the rotating rod 19 extends into the interior of the two dust covers 3 and is fixed with a support plate 20. When it is necessary to polish the other two sides of the circuit board 4, the pressing force of the pressing mechanism on the upper end of the circuit board 4 is released. By starting the first motor 18, the first motor 18 drives the rotating rod 19 at the output end to rotate. The rotating rod 19 drives the upper support plate 20 to rotate. The support plate 20 drives the upper circuit board 4 to rotate, thereby adjusting its direction.
[0030] The pressing mechanism includes a first fixed rod 21, the upper end of which is fixedly connected to the upper end of the inner wall of the bracket 2. A second fixed rod 22 is slidably connected inside the first fixed rod 21. A pressure plate 23 is fixed to the lower end of the second fixed rod 22. A fastening bolt is threadedly connected to the right side of the first fixed rod 21. One end of the fastening bolt extends into the interior of the first fixed rod 21 and engages with the second fixed rod 22 to ensure the stability of the circuit board 4 and prevent positional movement during the grinding process.
[0031] The polishing mechanism includes two telescopic cylinders 24, which are fixedly connected to the inner wall of the dust cover 3. Each of the two telescopic cylinders 24 has a mounting box 25 fixed at one end close to the other. Each of the two mounting boxes 25 has a second motor 26 fixed inside. Each of the two second motors 26 has a crossbar 27 fixed at its output end. Each of the two crossbars 27 has a polishing disc 28 fixed at one end close to the other. When the second motor 26 is started, it drives the crossbar 27 at its output end to rotate, and the crossbar 27 drives the polishing disc 28 to rotate, thereby polishing the edge of the circuit board 4.
[0032] Both the rotating rod 19 and the second fixed rod 22 are fixed with sealing rings to ensure the sealing effect between the rotating rod 19, the second fixed rod 22 and the two dust covers 3.
[0033] Working principle:
[0034] During processing, the circuit board 4 is first placed on the upper end of the support plate 20. The second fixing rod 22 inside the first fixing rod 21 is moved. The second fixing rod 22 drives the pressure plate 23 at the lower end to move down. The circuit board 4 is pressed and fixed by the cooperation of the pressure plate 23 and the support plate 20.
[0035] By starting the dual-axis motor 14, the dual-axis motor 14 drives the lead screws 13 at both ends to rotate. The lead screws 13 drive the sliders 15 connected to the rod wall to move closer together. The sliders 15 drive the connecting rods 16 on the side wall to move. The connecting rods 16 drive the two dust covers 3 to move closer together, so that the two dust covers 3 are engaged with the outside of the circuit board 4. The two exhaust fans 9 are started, and the two telescopic mechanisms drive the mounting box 25 on the side wall, the second motor 26, the crossbar 27, and the grinding disc 28 to move closer together. The second motor 26 is started, and the second motor 26 drives the crossbar 27 at the output end to rotate. The crossbar 27 drives the grinding disc 28 to rotate, grinding the circuit board 4. The dust generated during the grinding process is sucked by the exhaust fans 9 and discharged into the interior of the filter box 5 through the connecting hose 10, and finally collected through the collection tank 7.
[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be considered as limiting the scope of the claims.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A device for processing and edging a circuit board, comprising a processing table (1), characterized in that, A bracket (2) is fixed on the upper side of the processing table (1). A moving mechanism is fixed on the rear end of the inner wall of the bracket (2). A symmetrical dust cover (3) is fixed on the front end of the moving mechanism. A rotating mechanism is fixed on the side wall of the processing table (1). A circuit board (4) is provided on the upper end of the rotating mechanism. A pressing mechanism is fixed on the upper end of the inner wall of the bracket (2). A grinding mechanism is fixed on the inner wall of both dust covers (3). A filter box (5) is fixed on the upper side of the bracket (2). A box cover (6) is snapped onto the upper end of the filter box (5). A container slot (7) is slidably connected to the lower end of the filter box (5). An exhaust hole is opened on the front side of the filter box (5). A first filter screen is fixed inside the exhaust hole. A dust suction hood (8) is fixed on the upper side of each of the two dust covers (3). An exhaust fan (9) is fixed inside the dust suction hood (8). A connecting hose (10) is fixed on the upper side of the dust suction hood (8). The other end of the connecting hose (10) is fixedly connected to the side wall of the filter box (5). An air inlet is opened on the lower side of each of the two dust covers (3). A second filter screen is fixed inside each of the two air inlets.
2. The edge grinding apparatus for processing a circuit board according to claim 1, wherein: The moving mechanism includes a housing (11), which is fixedly connected to the rear side of the inner wall of the bracket (2). Strip plates (12) are fixed on the left and right sides of the housing (11). Screws (13) are rotatably connected to the inside of the two strip plates (12) through bearings. A dual-axis motor (14) is fixed inside the housing (11). The ends of the two screws (13) that are close to each other are fixedly connected to the output end of the dual-axis motor (14). Slider (15) is threadedly connected to the rod wall of the two screws (13). The upper and lower sides of the two sliders (15) are slidably connected to the inner wall of the strip plate (12). A connecting rod (16) is fixed to the front side of the two sliders (15). The front end of the connecting rod (16) is fixedly connected to the side wall of the dust cover (3).
3. The edge grinding apparatus for processing a circuit board according to claim 1, wherein: The rotating mechanism includes a fixed box (17), which is fixedly connected to the lower side of the processing table (1). A first motor (18) is fixed inside the fixed box (17), and a rotating rod (19) is fixed at the output end of the first motor (18). The upper end of the rotating rod (19) extends into the interior of two dust covers (3) and is fixed with a support plate (20).
4. The edge grinding apparatus for processing a circuit board according to claim 3, wherein: The pressing mechanism includes a first fixed rod (21), the upper end of which is fixedly connected to the upper end of the inner wall of the bracket (2), a second fixed rod (22) is slidably connected inside the first fixed rod (21), a pressure plate (23) is fixed to the lower end of the second fixed rod (22), and a fastening bolt is threadedly connected to the right side of the first fixed rod (21), one end of which extends into the interior of the first fixed rod (21) and engages with the second fixed rod (22).
5. The edge grinding apparatus for processing a circuit board according to claim 1, wherein: The grinding mechanism includes two telescopic cylinders (24), which are fixedly connected to the inner wall of the dust cover (3). Each of the two telescopic cylinders (24) has a mounting box (25) fixed at one end close to the other. Each of the two mounting boxes (25) has a second motor (26) fixed inside. Each of the two second motors (26) has a crossbar (27) fixed at the output end. Each of the two crossbars (27) has a grinding disc (28) fixed at one end close to the other.
6. The edge grinding apparatus for processing a circuit board according to claim 4, wherein: Both the rotating rod (19) and the second fixed rod (22) have sealing rings fixed to their walls.