CN219212580U

CN219212580U - Edge grinding device for PCB

Info

Publication number: CN219212580U
Application number: CN202223059956.8U
Authority: CN
Inventors: 万应琪; 宋振武; 郭先锋; 杨亚兵
Original assignee: Shenzhen Q&d Circuits Co ltd
Current assignee: Shenzhen Q&d Circuits Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-20
Anticipated expiration: 2032-11-17

Abstract

The utility model belongs to the technical field of circuit board edging. Especially, a be used for PCB circuit board edging device, including mounting bracket and track, the mounting bracket has been seted up to the mounting bracket inner wall, the mounting bracket inner wall is symmetrical structure and rotates and be connected with two drive wheels, two the drive wheel passes through the track and rotates to be connected, the mounting bracket lateral wall has set firmly motor one, motor one output extends to inside the mounting bracket and is connected fixedly with one of them drive wheel axle head, the track outer wall is equidistant a plurality of push plates that have set firmly of phenomenon. When the PCB circuit board gets into the inside of polishing the board, can extrude the side mill board through the turning, the side mill board is receiving the extrusion of PCB circuit board, and the spring promotes the side mill board through pulling slide bar and extrudees PCB circuit board both sides limit, and this design can make the distance between two side mill boards can adjust to use according to the size of different PCB circuit boards, improved flexibility and the practicality of device.

Description

Edge grinding device for PCB

Technical Field

The utility model relates to the technical field of edging of circuit boards, in particular to an edging device for a PCB.

Background

The PCB circuit board is also called a printed circuit board, is a provider of electronic component electrical connection, and the PCB circuit board needs to be ground down through a grinding device in the production process, so that the effect of removing burrs is achieved, and the board surface is tidier.

In the prior publication, like the document with publication number CN207696239U, the grinding wheel is driven to rotate mainly through the motor, so that the outer wall of the grinding wheel polishes the two side edges of the circuit board, the distance between the two baffles is fixed, and meanwhile, the distance between the two motors on the baffles and the sand table is also fixed, so that the device cannot be properly adjusted according to the size of the board.

Disclosure of Invention

Based on the technical problems mentioned above, the utility model provides an edging device for a PCB.

The utility model provides an edge grinding device for a PCB (printed circuit board), which comprises a mounting frame and a crawler belt, wherein the inner wall of the mounting frame is provided with a mounting groove, the inner wall of the mounting groove is rotationally connected with two driving wheels in a symmetrical structure, the two driving wheels are rotationally connected through the crawler belt, the outer side wall of the mounting frame is fixedly provided with a motor I, an output end of the motor I extends into the mounting groove and is fixedly connected with the shaft end of one driving wheel, the outer wall of the crawler belt is fixedly provided with a plurality of pushing plates in an equidistant manner, the two sides of the inner wall of the mounting frame are respectively and symmetrically provided with two limiting plates and polishing plates, the end surfaces of the limiting plates and the polishing plates are mutually connected, one side, close to the mounting frame, of each polishing plate is respectively and symmetrically provided with two connecting blocks, the connecting blocks are fixedly connected with the mounting frame, the inner wall of each polishing plate is fixedly provided with an upper polishing plate, the lower side polishing plate is provided with two side polishing plates in a sliding connection structure, the outer wall of each sliding rod is sleeved with a spring, the two ends of each spring are respectively fixedly connected with the sliding rod and the side polishing plate, and the inner ends penetrate through the polishing plates and are fixedly connected with the side polishing plates.

Preferably, the polishing plate has an L-shaped structure and the bottom of the inner wall thereof is a polishing surface.

Preferably, the slope surface II is arranged at one end, close to the limiting plate, of the upper grinding plate, and the slope surface I is arranged at one end, close to the limiting plate, of the side grinding plate.

Preferably, the mounting bracket inner wall has set firmly the mount pad, the mounting bracket inner wall rotates and is connected with the mounting bracket, the one side that mount pad and mounting bracket are close to relatively rotates and is connected with two conveying rollers, the mounting bracket is passed to its outside to the mounting bracket tip, the outer pot head of mounting bracket is equipped with the torsional spring, the torsional spring both ends are connected fixedly with mounting bracket and mounting bracket respectively.

Preferably, two conveying roller ends all pass the mount pad and extend to the mounting bracket outside, two conveying roller ends all have set firmly the gear, two the gear intermeshing, the mount pad lateral wall has set firmly motor two, motor two output is connected with one of them conveying roller end.

Preferably, a plurality of push plate top grooves are respectively and rotatably connected with a rubber wheel.

The beneficial effects of the utility model are as follows:

1. when the PCB circuit board gets into the inside of polishing the board, can extrude the side mill board through the turning, the side mill board is receiving the extrusion of PCB circuit board, and the spring promotes the side mill board through pulling slide bar and extrudees PCB circuit board both sides limit, and this design can make the distance between two side mill boards can adjust to use according to the size of different PCB circuit boards, improved flexibility and the practicality of device.

2. Through the promotion of push pedal for PCB circuit board gets into between two conveying rollers, and when the push pedal moved to the drive wheel position, the push pedal was overturned through the track drive, thereby made the rubber wheel on the push pedal extrude downwards to PCB circuit board tip, made the circuit board front end upwarp, thereby be convenient for operating personnel take the PCB circuit board.

3. The second motor drives the two gears to rotate, and the two conveying rollers are driven to rotate through the gears, so that the conveying rollers can convey the PCB when the PCB is overturned, and operators can conveniently take the PCB out from between the two conveying rollers.

4. Through setting up the rubber wheel, can reduce the friction between push pedal and the PCB circuit board to avoid causing the damage to the PCB circuit board.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the upper grind plate according to the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is a partially disassembled schematic illustration of the present utility model;

FIG. 6 is a schematic view of the mounting structure of the conveying roller of the present utility model;

FIG. 7 is a schematic view of the mounting structure of the gear of the present utility model;

FIG. 8 is a schematic view of the mounting structure of the rubber wheel of the present utility model.

In the figure: 1. a mounting frame; 2. a mounting groove; 3. a driving wheel; 4. a track; 5. a first motor; 6. a limiting plate; 7. polishing the plate; 8. a connecting block; 9. a grinding plate is arranged on the upper grinding plate; 10. a side grinding plate; 11. a slope surface I; 12. a slope II; 13. a slide bar; 14. a spring; 15. a mounting base; 16. a mounting plate; 17. a conveying roller; 18. a torsion spring; 19. a gear; 20. a second motor; 21. a push plate; 22. rubber wheels.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-8, the present utility model provides a technical solution:

the utility model provides a be used for PCB circuit board edging device, including mounting bracket 1 and track 4, mounting bracket 2 has been seted up to mounting bracket 1 inner wall, mounting bracket 2 inner wall is symmetrical structure rotation and is connected with two drive wheels 3, two drive wheels 3 pass through track 4 rotation and connect, mounting bracket 1 lateral wall has set firmly motor one 5, motor one 5 output extends to mounting bracket 2 inside and is connected fixedly with one of them drive wheel 3 axle head, track 4 outer wall is the equidistant a plurality of push pedal 21 that have set firmly of phenomenon, mounting bracket 1 inner wall both sides are symmetrical structure respectively and have set firmly two limiting plate 6 and polishing plate 7, limiting plate 6 and polishing plate 7 terminal surface interconnect, one side that two polishing plates 7 are close to mounting bracket 1 is symmetrical structure respectively and has set firmly two connecting blocks 8, connecting block 8 and mounting bracket 1 are connected fixedly, polishing plate 7 inner wall has set firmly and has ground the board 9, it grindsthe board 10 to be equipped with the side to grind the board 9 below, polishing plate 7 surface is symmetrical structure sliding connection and has two 13, 13 outer wall cover of slide bar is equipped with spring 14, spring 14 both ends are connected fixedly with slide bar 13 and polishing plate 7 respectively, slide bar 13 inner and are connected fixedly with side grinds the board 10.

Specifically, the polishing plate 7 is of an L-shaped structure, the bottom of the inner wall of the polishing plate is a polishing surface, and edges below the side edges of the PCB can be polished through the polishing plate 7.

Further, the slope surface II 12 is arranged at one end, close to the limiting plate 6, of the upper grinding plate 9, the slope surface I11 is arranged at one end, close to the limiting plate 6, of the side grinding plate 10, and the slope surfaces I11 and II 12 at the end parts of the upper grinding plate 9 and the side grinding plate 10 are extruded through the PCB, so that the PCB can slide into the polishing plate 7 conveniently and stably.

Still further, mount pad 15 has been set firmly to mounting bracket 1 inner wall, and mounting bracket 1 inner wall rotates and is connected with mounting bracket 16, and one side that mounting bracket 15 and mounting bracket 16 are close to relatively rotates and is connected with two conveying rollers 17, and mounting bracket 1 is passed to the mounting bracket 16 tip and extends to its outside, and the outer pot head of mounting bracket 16 is equipped with torsional spring 18, and torsional spring 18 both ends are connected fixedly with mounting bracket 1 and mounting bracket 16 respectively, and this design can make the PCB circuit board overturn to can the operating personnel take the PCB circuit board.

Furthermore, the ends of the two conveying rollers 17 penetrate through the mounting seat 15 and extend to the outer side of the mounting frame 1, the ends of the two conveying rollers 17 are fixedly provided with gears 19, the two gears 19 are meshed with each other, the outer side wall of the mounting seat 15 is fixedly provided with a motor II 20, the output end of the motor II 20 is connected with the end of one conveying roller 17, the conveying rollers 17 can be driven to rotate by the motor II 20, a PCB circuit board is conveyed out from between the two conveying rollers 17, and an operator can conveniently take out the PCB circuit board.

It is worth to say that, all rotate in the groove at a plurality of push pedal 21 tops and be connected with rubber wheel 22, rubber wheel 22 can reduce the friction between push pedal 21 and the PCB circuit board to avoid causing the damage to the PCB circuit board.

Working principle: the motor I5 drives the two driving wheels 3 to rotate, so that the crawler belt 4 rotates, the crawler belt 4 drives the pushing plate 21 to rotate, the PCB circuit board is placed on the limiting plates 6, the pushing plate 21 pushes the PCB circuit board to slide along the inner walls of the two limiting plates 6, when the PCB circuit board enters the inside of the polishing plate 7, the slope I11 and the slope II 12 at the end parts of the upper polishing plate 9 and the side polishing plate 10 are extruded through corners, so that the PCB circuit board can slide into the inside of the polishing plate 7 smoothly, meanwhile, the side polishing plate 10 is extruded by the PCB circuit board, the spring 14 pushes the side polishing plate 10 to extrude the two sides of the PCB circuit board by pulling the sliding rod 13, the polishing plate 7 and the upper polishing plate 9 can polish the upper edge and the lower edge of the side edge of the PCB circuit board, and the side edge of the PCB circuit board are polished simultaneously through the polishing plate 7, the upper polishing plate 9 and the side polishing plate 10 in the moving process of the PCB circuit board, after polishing, the PCB circuit board enters between the two conveying rollers 17 through pushing of the pushing plate 21, when the pushing plate 21 moves to the position of the driving wheel 3, the pushing plate 21 is driven to overturn through the crawler belt 4, so that the rubber wheel 22 on the pushing plate 21 extrudes the end part of the PCB circuit board downwards, the front end of the circuit board is tilted upwards, an operator can conveniently take the PCB circuit board, the two gears 19 are driven to rotate through the two motors 20, the two conveying rollers 17 are driven to rotate through the gears 19, the conveying rollers 17 can convey the PCB circuit board during overturning, the operator can conveniently take the PCB circuit board out from between the two conveying rollers 17, the mounting plate 16 can rotate to the initial position under the action of the torsion spring 18 after taking out, the two conveying rollers 17 are kept vertical to each other at the moment, facilitating insertion of the next PCB board between the two transport rollers 17.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. Be used for PCB circuit board edging device, including mounting bracket (1) and track (4), its characterized in that: the utility model discloses a spring type polishing device, including mounting bracket (1) and slide bar (13) respectively, mounting bracket (1) inner wall has seted up mounting groove (2), mounting groove (2) inner wall is symmetrical structure and rotates and be connected with two drive wheels (3), two drive wheel (3) are rotated through track (4) and are connected, mounting bracket (1) lateral wall has set firmly motor one (5), motor one (5) output extends to inside mounting groove (2) and is connected fixedly with one of them drive wheel (3) axle head, track (4) outer wall is equidistant a plurality of push pedal (21) that have set firmly, mounting bracket (1) inner wall both sides are symmetrical structure respectively and have set firmly two limiting plates (6) and polishing plate (7), limiting plates (6) and polishing plate (7) terminal surface interconnect, two one side that polishing plate (7) are close to mounting bracket (1) is symmetrical structure respectively and has set firmly two connecting blocks (8), connecting block (8) are connected fixedly with mounting bracket (1), polishing plate (7) inner wall has set firmly upper grinding plate (9), upper grinding plate (9) below is equipped with side grinding plate (10), polishing plate (7) are symmetrical structure (13) and slide bar (13) are connected with slide bar (13) respectively, the inner end of the sliding rod (13) penetrates through the polishing plate (7) and is fixedly connected with the side polishing plate (10).

2. The edge grinding device for a PCB circuit board according to claim 1, wherein: the polishing plate (7) is of an L-shaped structure, and the bottom of the inner wall of the polishing plate is a polishing surface.

3. The edge grinding device for a PCB circuit board according to claim 1, wherein: the one end that goes up grinding plate (9) and is close to limiting plate (6) has seted up domatic two (12), the one end that side grinding plate (10) is close to limiting plate (6) has seted up domatic one (11).

4. The edge grinding device for a PCB circuit board according to claim 1, wherein: the mounting rack is characterized in that a mounting seat (15) is fixedly arranged on the inner wall of the mounting rack (1), a mounting plate (16) is rotationally connected to the inner wall of the mounting rack (1), two conveying rollers (17) are rotationally connected to one side, relatively close to the mounting plate (16), of the mounting plate (16), the end portion of the mounting plate (16) penetrates through the mounting rack (1) and extends to the outer side of the mounting plate, a torsion spring (18) is sleeved at the outer end of the mounting plate (16), and two ends of the torsion spring (18) are respectively connected and fixed with the mounting rack (1) and the mounting plate (16).

5. The edge grinding device for a PCB circuit board of claim 4, wherein: the end parts of the two conveying rollers (17) penetrate through the mounting seat (15) and extend to the outer side of the mounting frame (1), the end parts of the two conveying rollers (17) are fixedly provided with gears (19), the two gears (19) are meshed with each other, the outer side wall of the mounting seat (15) is fixedly provided with a motor II (20), and the output end of the motor II (20) is connected with the end part of one conveying roller (17).

6. The edge grinding device for a PCB circuit board according to claim 1, wherein: rubber wheels (22) are rotatably connected in grooves at the tops of the pushing plates (21).