CN219255059U

CN219255059U - PCB circuit board edge grinding device

Info

Publication number: CN219255059U
Application number: CN202320294380.9U
Authority: CN
Inventors: 杨恒; 杨耀宗
Original assignee: Suining Liantaixin Electronics Co ltd
Current assignee: Suining Liantaixin Electronics Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-27
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a polishing device for the edge of a PCB (printed Circuit Board), which comprises a base, a support frame and a polishing device; the polishing device comprises a positioning and clamping structure and a polishing structure, wherein the polishing structure comprises an electric linear guide rail, a mounting seat, a driving motor, a connecting rod, a polishing wheel, a positioning seat, a moving block and a guide rail; the electric linear guide rail is arranged at a position behind the lower side of the top plate, the mounting seat is connected onto the electric linear guide rail through a sliding block in a sliding manner, the driving motor is arranged on the mounting seat, the upper end of the connecting rod is connected to the driving end of the driving motor, the polishing wheel is arranged on the connecting rod, the guide rail is arranged on the upper side of the base, extends left and right and is parallel to the electric linear guide rail, the moving block is arranged on the guide rail in a sliding manner, the positioning seat is arranged on the moving block, and the bottom end of the connecting rod is inserted into the positioning seat. The grinding wheel can be ensured to stably move along the horizontal direction, the grinding wheel is prevented from deflecting due to long-time work, and the grinding effect is ensured.

Description

PCB circuit board edge grinding device

Technical Field

The utility model relates to the technical field of PCB product processing, in particular to a PCB edge polishing device.

Background

The PCB belongs to one kind of PCB products, and the PCB circuit board, also called a PCB, is a provider for electric connection of electronic components, and has the main advantages of greatly reducing errors of wiring and assembly and improving automation level and production labor rate; in the traditional PCB production and processing process, manual mode is adopted to be convenient for polish the plate, burrs are removed and the like, the quality of the plate is guaranteed, but manual polishing efficiency is lower, time is consumed, polishing thickness is uneven, and the qualification rate of the plate is reduced.

Patent application document of application number CN202221427081.X discloses a PCB board edge grinding device, including brace table and edge grinding device, edge grinding device installs on the brace table, and edge grinding device includes movable structure and rotational positioning structure, and movable structure installs on the brace table, and rotational positioning structure installs on the brace table, and movable structure includes: the device comprises a screw rod module, a mounting table, a lifting cylinder, a mounting block, a telescopic cylinder, a connecting frame, a grinding wheel and a driving motor; when polishing the PCB board, the link needs to bear great force, and after long-time use, the link is liable to take place deformation, leads to polishing effectually, and the height that the PCB board is located can not be adjusted simultaneously, only can polish through the position of adjusting the grinding wheel.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the PCB edge polishing device, which ensures that a polishing wheel stably moves along the horizontal direction and avoids the movement.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a PCB edge polishing device comprises a base, a supporting frame and a polishing device; a supporting frame is arranged at the rear side of the base, the supporting frame is connected with the base to form an L shape, a top plate which extends horizontally is arranged at the top end of the supporting frame, and the top plate is parallel to the base 1;

the polishing device comprises a positioning and clamping structure and a polishing structure, and is characterized in that: the polishing structure comprises an electric linear guide rail, a mounting seat, a driving motor, a connecting rod, a polishing wheel, a positioning seat, a moving block and a guide rail;

the electric linear guide rail is arranged at a position of the lower side of the top plate, the electric linear guide rail extends left and right, the mounting seat is connected onto the electric linear guide rail through a sliding block in a sliding mode, the driving motor is arranged on the mounting seat, the upper end of the connecting rod is connected to the driving end of the driving motor, the polishing wheel is arranged on the connecting rod, the guide rail is arranged on the upper side of the base, extends left and right and is parallel to the electric linear guide rail, the moving block is arranged on the guide rail in a sliding mode, the positioning seat is arranged on the moving block, and the bottom end of the connecting rod is inserted into the positioning seat.

In the scheme, the method comprises the following steps: and a bearing is arranged between the connecting rod and the hole on the positioning seat.

In the scheme, the method comprises the following steps: a connecting frame is arranged between the mounting seat and the moving block.

In the scheme, the method comprises the following steps: the positioning and clamping structure comprises a telescopic cylinder, a buffer block, a lifting cylinder, a placing plate, a mounting block and a rotating assembly;

the telescopic cylinder is arranged at a position on the lower side of the top plate, the buffer block is arranged at the telescopic end of the telescopic cylinder, the rotating assembly is arranged on the base, the mounting block is driven to rotate by the rotating assembly, the mounting block is provided with a placing plate through the lifting cylinder, and the placing plate is positioned below the buffer block.

In the scheme, the method comprises the following steps: the rotating assembly comprises a rotating motor, a rotating shaft, a first gear, a second gear and a protective cover; the rotating motor is installed on the base, the rotating shaft is installed at the driving end of the rotating motor, the first gear is installed on the rotating shaft, the second gear is sleeved on the installation block, the first gear is installed in a meshed mode with the second gear, the protective cover is arranged outside the installation block, and the rotating motor, the rotating shaft, the first gear and the second gear are located in the protective cover.

The PCB edge polishing device has the following beneficial effects:

1. the polishing structure can ensure that the polishing wheel moves stably along the horizontal direction, avoid the polishing wheel from deflecting caused by long-time work, and ensure the polishing effect.

2. The positioning and clamping structure can fix the position of the PCB on one hand, can adjust the height of the PCB, is convenient to polish smoothly, does not need to manually adjust the position of the PCB after polishing one side of the PCB is finished, can automatically rotate the PCB by 90 degrees, and achieves polishing the edge of the PCB.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

In the figure: 1. a base; 2. a support frame; 3. an electric linear guide rail; 4. a mounting base; 5. a driving motor; 6. a connecting rod; 7. grinding wheel; 8. a positioning seat; 9. a moving block; 10. a guide rail; 11. a connecting frame; 12. a telescopic cylinder; 13. a buffer block; 14. a lifting cylinder; 15. placing a plate; 16. a mounting block; 17. a rotating motor; 18. a rotating shaft; 19. a first gear; 20. a second gear; 21. a protective cover;

Detailed Description

The utility model is further illustrated below in conjunction with specific embodiments and figures.

Example 1

As shown in fig. 1-2, a polishing device for the edge of a PCB circuit board comprises a base 1, a supporting frame 2 and a polishing device.

The support frame 2 is installed on the rear side of the base 1, the support frame 2 is connected with the base 1 to form an L shape, a top plate which extends horizontally is arranged on the top end of the support frame 2, and the top plate is parallel to the base 1.

The polishing device comprises a positioning and clamping structure and a polishing structure, wherein the polishing structure comprises an electric linear guide rail 3, a mounting seat 4, a driving motor 5, a connecting rod 6, polishing wheels 7, a positioning seat 8, a moving block 9 and a guide rail 10.

The electric linear guide rail is arranged at a position behind the lower side of the top plate, the electric linear guide rail extends left and right, the mounting seat 4 is connected onto the electric linear guide rail through a sliding block in a sliding mode, the driving motor 5 is arranged on the mounting seat 4, the upper end of the connecting rod 6 is connected to the driving end of the driving motor, the polishing wheel 7 is arranged on the connecting rod 6, the guide rail 10 is arranged on the upper side of the base 1, extends left and right and is parallel to the electric linear guide rail 3, the moving block 9 is arranged on the guide rail 10 in a sliding mode, the positioning seat 8 is arranged on the moving block 9, and the bottom end of the connecting rod 6 is inserted into the positioning seat 8. Bearings are arranged between the connecting rod 6 and the holes on the positioning seat 8. A connecting frame 11 is arranged between the mounting seat 4 and the moving block 9.

The positioning and clamping structure comprises a telescopic cylinder 12, a buffer block 13, a lifting cylinder 14, a placing plate 15, a mounting block 16 and a rotating assembly.

The telescopic cylinder 12 is installed in the position of the roof downside forward, and buffer block 13 is installed at telescopic end (lower extreme) of telescopic cylinder, and rotating assembly installs on base 1, and installation piece 16 is installed on rotating assembly, drives through rotating assembly and rotates, installs through lift cylinder 14 on installation piece 16 and places board 15, places board 15 and is located buffer block 3 below. The rotating assembly comprises a rotating motor 17, a rotating shaft 18, a first gear 19, a second gear 20 and a protective cover 21.

The rotating motor 17 is arranged on the base, the rotating shaft 18 is arranged at the driving end of the rotating motor, the first gear 19 is arranged on the rotating shaft 18, the second gear 20 is sleeved on the mounting block 16, the first gear and the second gear are in meshed installation, the protective cover 21 is covered outside the mounting block 16, and the rotating motor 17, the rotating shaft 18, the first gear 19 and the second gear 20 are positioned in the protective cover 21.

The PCB circuit board belongs to one kind of PCB goods, for getting rid of burr etc. at PCB board edge, need carry out the edge processing of polishing to the PCB board, during the use, place the PCB circuit board on placing the board, flexible cylinder 12 stretches out, and buffer block 13 is fixed the PCB circuit board. And the electric linear guide rail is started to drive the mounting seat to move along the guide rail, meanwhile, the moving block 9 is linked, so that the grinding wheel can be ensured to stably move along the horizontal direction, the grinding wheel is prevented from deflecting due to long-time work, and the grinding effect is ensured.

Starting driving motor, driving motor drives the connecting rod and rotates, install the grinding wheel on the connecting rod, when the connecting rod rotates, it rotates to drive the grinding wheel, after the grinding wheel rotates, the PCB board is polished on one side and is accomplished the back, the grinding wheel removes the edge of electronic linear guide, rotate 90 with the PCB board another side through location clamp structure, handle polishing to the PCB board another side, until the edge is polished around the PCB board and is accomplished the position, for guaranteeing the stable position of grinding wheel, and the steady removal of grinding wheel, the cartridge is inside the locating seat below, locating seat internally mounted has the bearing, can guarantee the smooth rotation of connecting rod, the locating seat is connected with the movable block, when the locating lever moves under the drive of electronic linear guide, the movable block moves along the guided way direction, the connecting rod passes through driving motor and the spacing of locating seat, can guarantee that the connecting rod is stable to rotate, for guaranteeing the synchronous movement of movable block and electronic linear guide, set up the link between movable block and mount pad, guarantee to polish the grinding wheel and produce the skew along the horizontal direction, the long-time work has been avoided and has been guaranteed the effect of polishing.

Before the PCB is installed, the height of the polishing wheel is unchanged, the polishing wheel is longer, and the height of the lifting cylinder is adjusted according to the height of the polishing wheel, so that the placing plate is approximately located in the middle of the polishing wheel.

After the completion of polishing on one side of the PCB board, start rotating motor, rotating motor drives the axis of rotation and rotates, first gear drives through rotatory axis of rotation and rotates in step, second gear and first gear cooperation installation, when first gear rotates, drive the second gear and rotate around the locating shaft, the second gear suit is on the installation piece, when first gear rotates and drives the second gear and rotate, the second gear can drive the installation piece and rotate, the motor of rotation stops after 90, the PCB board on installation piece and the installation piece stops after 90 rotations, polish the processing to the PCB board another side, the safety cover avoids polishing the piece to influence the cooperation of first gear and second gear.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PCB edge polishing device comprises a base, a supporting frame and a polishing device; the support frame is arranged on the rear side of the base, the support frame is connected with the base to form an L shape, a top plate which extends horizontally is arranged at the top end of the support frame, and the top plate is parallel to the base;

2. The PCB edge grinding device of claim 1, wherein: and a bearing is arranged between the connecting rod and the hole on the positioning seat.

3. The polishing device for the edge of the PCB according to claim 1, wherein a connecting frame is arranged between the mounting seat and the moving block.

4. The PCB edge grinding apparatus of claim 1, wherein the positioning and clamping structure comprises a telescoping cylinder, a buffer block, a lifting cylinder, a placement plate, a mounting block, and a rotating assembly;

5. The PCB edge grinding apparatus of claim 4, wherein the rotating assembly includes a rotating motor, a rotating shaft, a first gear, a second gear, and a protective cover; the rotating motor is installed on the base, the rotating shaft is installed at the driving end of the rotating motor, the first gear is installed on the rotating shaft, the second gear is sleeved on the installation block, the first gear is installed in a meshed mode with the second gear, the protective cover is arranged outside the installation block, and the rotating motor, the rotating shaft, the first gear and the second gear are located in the protective cover.