CN220007121U

CN220007121U - PCB polishing device

Info

Publication number: CN220007121U
Application number: CN202321148084.4U
Authority: CN
Inventors: 刘岩鑫; 胡朋; 叶富强
Original assignee: Hangzhou Lin'an Sanpin Electronic Co ltd
Current assignee: Hangzhou Lin'an Sanpin Electronic Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-11-14
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a PCB polishing device, which comprises a polishing frame, wherein pushing mechanisms are fixedly connected to the outer side walls of the four sides of the polishing frame, the output ends of the pushing mechanisms are fixedly connected with the polishing mechanisms, a through hole is formed in the center of the bottom of the polishing frame, a first rolling bearing is embedded in the through hole, the first rolling bearing is fixedly sleeved with a supporting column, the upper ends of the supporting column are fixedly connected with clamping parts, and the other ends of the supporting column are rotatably connected with a base; the upper end and the lower extreme intercommunication clean part of frame of polishing, pushing mechanism, grinding mechanism, clamping part, clean part electric connection controller, the controller is fixed to be arranged in the frame lateral wall of polishing. The utility model also discloses a using method of the PCB polishing device, which guides the use of the polishing device. The device is efficient of polishing, and the quality of polishing is good to eliminate the influence of dust of polishing to environment and product.

Description

PCB polishing device

Technical Field

The utility model relates to the technical field of polishing, in particular to an automatic PCB polishing device.

Background

The PCB is the abbreviation of printed circuit board, and the PCB is the provider of electronic components electrical connection, needs to cut into moderate size with the PCB in the production process of PCB, and the side of PCB can generate the burr in the cutting process, and these burrs can cause the influence to the storage and the processability of PCB, so need use grinding device to polish the side of PCB and handle, current PCB grinding device polishes inefficiency, and the polishing quality is not high, dust pollution product and environment, influence going on smoothly of later procedure.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide the PCB polishing device, which improves polishing efficiency and polishing quality and eliminates the influence of dust pollution on products and environment.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the PCB polishing device comprises a polishing frame, wherein pushing mechanisms are fixedly connected to the outer side walls of the four sides of the polishing frame, the output ends of the pushing mechanisms are fixedly connected with the polishing mechanisms, a through hole is formed in the center of the bottom of the polishing frame, a first rolling bearing is embedded in the through hole, the first rolling bearing is fixedly sleeved with a supporting column, the upper ends of the supporting column are fixedly connected with clamping parts, and the other ends of the supporting column are rotatably connected with a base; the upper end and the lower extreme intercommunication clean part of frame of polishing, pushing mechanism, grinding mechanism, clamping part, clean part electric connection controller, the controller is fixed to be arranged in the frame lateral wall of polishing.

Further, the upper end opening part joint of frame of polishing has the dust cover, the dust cover is located the frame of polishing directly over, dust cover upper portion is provided with the air intake.

Further, the center of the base is embedded into a second bearing, and the inner wall of the second bearing is fixedly connected with the lower end of the supporting column.

Further, the clamping component comprises a lower cylinder, a lower disc, a lower slideway, an upper cylinder, an upper disc and an upper slideway; the lower slideway is cross-shaped and fixedly connected to the upper end of the supporting column, the lower end of the lower cylinder is in sliding connection with the lower slideway, and the upper end of the lower cylinder is fixedly connected with the lower disc; the upper slideway corresponds to the lower slideway, four end points of the upper slideway are fixedly connected with four end points corresponding to the lower slideway through limiting plates, and through holes corresponding to the pushing mechanism are formed in the middle of the limiting plates; the top of the upper cylinder is in sliding connection with the upper slideway, the lower end of the upper cylinder is fixedly connected with an upper disc, and a PCB board is placed and clamped between the upper disc and the lower disc.

Further, the contact surfaces of the upper disc, the lower disc and the PCB are provided with anti-skid protection layers.

Further, pushing mechanism includes the cylinder frame, cylinder frame fixed connection is on the four sides lateral wall of frame of polishing, the inside fixed cylinder that has cup jointed of cylinder frame, the output of cylinder is close to the lateral wall of frame of polishing, the output fixedly connected with push rod of cylinder, the other end of push rod passes the supporting hole of seting up on the frame lateral wall of polishing and extends to the inside of frame of polishing. The pushing mechanisms are six in total, four of the pushing mechanisms are positioned at the center of the four side walls of the polishing frame, and the other two pushing mechanisms are positioned at the center of the upper and lower positions of the front side wall of the polishing frame and at the positions of left and right sides close to the edges.

Further, the polishing mechanism is located inside the polishing frame and is in sliding connection with a push rod of the pushing mechanism located on the front wall and close to the edge, a sliding chute which slides left and right is fixedly arranged at the top of the push rod, limiting blocks are arranged at two ends of the sliding chute, and the polishing mechanism is in sliding connection with the push rod through the sliding chute.

Further, a PCB board grinding device still include clean part, clean part includes hair-dryer and dust extraction, and the hair-dryer sets up in the upper end of dust cover, with the air intake intercommunication of dust cover, dust extraction passes through the dust outlet of pipe connection on polishing the frame.

Compared with the prior art, the PCB polishing device has the advantages of high polishing efficiency and good polishing quality, and eliminates the influence of polishing dust on the environment and products.

Drawings

In order to better and clearly describe the embodiments of the present utility model or the technical solutions in the background art, the following description will describe the drawings used in the embodiments of the present utility model or the background art.

Fig. 1 is a schematic structural diagram of a polishing device for a PCB board in a first embodiment;

fig. 2 is a cross-sectional view of a polishing device for a PCB board according to the first embodiment;

fig. 3 is a schematic structural diagram of a polishing device for a PCB board in the second embodiment.

In the figure, 1, a polishing frame; 2. a clamping member; 3. a pushing mechanism; 4. a polishing mechanism; 5. a cleaning member; 6. a controller; 7. a dust cover; 8. a support column; 9. a base; 10. a first bearing; 11. a second bearing; 201. a lower cylinder; 202. a lower disc; 203. a glidepath; 204, feeding a cylinder; 205. an upper disc; 206. a slide way is arranged; 207. a limiting plate; 301. a cylinder frame; 302. a cylinder; 303. a push rod; 501. a blower; 502. a dust suction device.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

According to fig. 1 and 2, the polishing device for the PCB comprises a polishing frame 1, wherein pushing mechanisms 3 are fixedly connected to the outer side walls of the four sides of the polishing frame 1, the output ends of the pushing mechanisms 3 are fixedly connected with polishing mechanisms 4, a through hole is formed in the center of the bottom of the polishing frame 1, a first rolling bearing 10 is embedded in the through hole, a supporting column 8 is fixedly sleeved on the first rolling bearing 10, the upper ends of the supporting columns 8 are fixedly connected with clamping components 2, and the other ends of the supporting columns are rotatably connected with a base 9; the upper end and the lower end of the polishing frame 1 are communicated with a cleaning part 5; the pushing mechanism 3, the polishing mechanism 4, the clamping component 2 and the cleaning component 5 are electrically connected with the controller 6, and the controller 6 is fixedly arranged on the outer side wall of the polishing frame 1.

On the basis of the structure, the dust cover 7 is clamped at the opening of the upper end of the polishing frame 1, the dust cover 7 is positioned right above the polishing frame 1, and an air inlet is formed in the upper portion of the dust cover 7.

On the basis of the structure, the center of the base 9 is embedded with a second rolling bearing 11, and the inner wall of the second rolling bearing 11 is fixedly connected with the lower end of the supporting column 8.

The support column 8 can freely rotate through the base 9 and the bearings in the through holes of the polishing frame 1 to drive the PCB clamped by the clamping component 2 to rotate, so that the four edges of the PCB are continuously polished, the PCB is not required to be disassembled in the middle, and the polishing efficiency is improved; the dust cover 7 prevents dust from overflowing, and the cleaning part 5 ensures the cleaning of the PCB.

On the basis of the above structure, the clamping member 2 includes a lower cylinder 201, a lower disc 202, a lower slide 203, an upper cylinder 204, an upper disc 205, and an upper slide 206; the lower slideway 201 is cross-shaped and is fixedly connected to the upper end of the supporting column 102, the lower end of the lower cylinder 201 is in sliding connection with the lower slideway 203, and the upper end of the lower cylinder 201 is fixedly connected with the lower disc 202; the upper slide 206 corresponds to the lower slide 203, four end points of the upper slide are fixedly connected with the corresponding four end points of the lower slide 203 through a limiting plate 207, and a through hole corresponding to the pushing mechanism is arranged in the middle of the limiting plate. The top of the upper cylinder 204 is slidably connected with the upper slideway 206, the lower end of the upper cylinder 204 is fixedly connected with the upper disc 205, and a PCB board is placed and clamped between the upper disc 205 and the lower disc 202.

The upper disc 205 and the lower disc 202 are driven to move up and down by the extension and contraction of the output ends of the upper cylinder 204 and the lower cylinder 201, so that the circuit board is clamped and loosened, and the cross-shaped slideway can enable the upper disc and the lower disc to move back and forth and left and right along with the clamped PCB, so that the four edges of the PCB can be polished conveniently.

On the basis of the structure, the contact surfaces of the upper disc 205, the lower disc 202 and the PCB are provided with anti-slip protection layers.

The anti-slip protective layer increases the friction force between the clamping part 2 and the PCB, improves the clamping effect, and protects the PCB from damage.

On the basis of the structure, the pushing mechanism 3 comprises an air cylinder rack 301, the air cylinder rack 301 is fixedly connected to four side outer side walls of the polishing frame 101, an air cylinder 302 is fixedly sleeved in the air cylinder rack 301, the output end of the air cylinder 302 is close to the side walls of the polishing frame 101, the output end of the air cylinder 302 is fixedly connected with a push rod 303, and the other end of the push rod 303 penetrates through a supporting hole formed in the outer side wall of the polishing frame 101 and extends to the inside of the polishing frame 101. Six pushing mechanisms 3 are electrically connected with the controller 6, wherein four pushing mechanisms are positioned at the center of the four side walls, and the other two pushing mechanisms are positioned at the center of the upper and lower positions of the front side wall and at the positions of left and right sides close to the edges.

The pushing mechanism 3 provides pushing force for the polishing mechanism 4, the clamping part 3 and the movement of the PCB, so that the polishing mechanism 4 contacts the PCB, and the PCB is displaced along the horizontal direction tangential to the polishing wheel.

On the basis of the structure, the polishing mechanism 4 is located inside the polishing frame 1 and is in sliding connection with the push rod 303 of the pushing mechanism 3 located on the front side wall and close to the edge, a sliding chute which slides left and right is fixedly arranged at the top of the push rod 303, limiting blocks are arranged at two ends of the sliding chute, and the polishing mechanism 4 is in sliding connection with the push rod 303 through the sliding chute.

Two edges can be polished simultaneously from the two sides of the PCB by the aid of the two polishing mechanisms 4, polishing efficiency is improved, and when the polishing mechanisms 4 do not work, the PCB can be pushed to move left and right by the aid of the left and right pushing mechanisms 3, and the position of the PCB is adjusted.

On the basis of the structure, the cleaning part 5 comprises a blower 501 and a dust collection device 502, wherein the blower 501 is arranged at the top end of the dust cover 7 and is connected with an air inlet on the dust cover 7; the dust collection device 502 is communicated with a dust outlet on the polishing frame 1 through a pipeline.

The blower 5 can blow up fine dust particles attached to the surface of the PCB, so that the dust suction device can suck the dust particles conveniently, dust particles generated in the polishing process can be thoroughly removed, and the cleanliness of the PCB is ensured.

The application method of the PCB polishing device comprises the following steps:

step one: rotating the support column 8 to drive the clamping component 2 to rotate together, so that a through hole in the middle of a limiting plate in the clamping component 2 is aligned with a pushing rod 303 of a pushing mechanism 3 in the center of the side wall of the polishing frame 1;

step two: placing the PCB on the lower disc 202 of the clamping component 2, enabling the disc to be positioned at the center of the PCB, and starting the clamping component 2 by using the controller 6, so that the upper disc 205 and the lower disc 202 clamp the PCB;

step three: starting a corresponding pushing mechanism 3 by using a controller 6 to push the PCB to the center of the polishing frame 1, so that the upper end of the upper cylinder 204 and the lower end of the lower cylinder 201 are arranged at the center of the cross-shaped slideway;

step four: starting a pushing mechanism 3 connected with the polishing mechanism 4 by a controller 6, so that the polishing mechanism 4 is positioned at the front-rear center position of the polishing frame 1;

step five: starting the polishing mechanism to rotate by using the controller 6, and starting the cleaning part 5 to work;

step six: starting a pushing mechanism 3 at a position vertical to the polishing mechanism 4 by using a controller 6, and setting the displacement of the pushing mechanism 3 for pushing the polishing mechanism 4 according to the polishing amount;

step seven: the front end pushing mechanism 3 is started by the controller 6, the edge near end of the PCB is polished, the front end pushing mechanism 3 returns to the original position after polishing is finished, the rear end pushing mechanism 3 is started by the controller 6, the edge far end of the PCB is polished, and the rear end pushing mechanism 3 returns to the original position after polishing is finished.

Step eight: the polishing mechanism 4 stops working, the pushing mechanism connected with the polishing mechanism 4 drives the polishing mechanism to return to the original position, and the cleaning part 5 stops working.

Step nine: and rotating the support column 8 ninety degrees, and repeating the steps three to eight until polishing of four edges of the PCB is completed.

Embodiment two:

according to fig. 3, compared with the first embodiment, the second embodiment adopts a polishing mechanism, so that the mechanism of the device is simplified, but only one edge can be polished at a time, the polishing efficiency is reduced by half because four times of polishing are needed for polishing a complete PCB.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The PCB polishing device is characterized by comprising a polishing frame, wherein pushing mechanisms are fixedly connected to the four outer side walls of the polishing frame, the output ends of the pushing mechanisms are fixedly connected with the polishing mechanisms, a through hole is formed in the center of the bottom of the polishing frame, a first rolling bearing is embedded in the through hole, a support column is fixedly sleeved on the first rolling bearing, the upper ends of the support column are fixedly connected with clamping components, and the other ends of the support column are rotatably connected with a base; the upper end and the lower end of the polishing frame are communicated with a cleaning component; the pushing mechanism, the polishing mechanism, the clamping component and the cleaning component are electrically connected with the controller, and the controller is fixedly arranged on the outer side wall of the polishing frame.

2. The PCB polishing device according to claim 1, wherein a dust cover is clamped at an opening at the upper end of the polishing frame, the dust cover is located right above the polishing frame, and an air inlet is formed in the upper portion of the dust cover.

3. The PCB polishing device of claim 1, wherein the second rolling bearing is embedded in the center of the base, and an inner wall of the second rolling bearing is fixedly connected to a lower end of the support post.

4. The PCB board grinding apparatus of claim 1, wherein the clamping member includes a lower cylinder, a lower disc, a lower slide, an upper cylinder, an upper disc, and an upper slide; the lower slideway is cross-shaped and fixedly connected to the upper end of the supporting column, the lower end of the lower cylinder is in sliding connection with the lower slideway, and the upper end of the lower cylinder is fixedly connected with the lower disc; the upper slideway corresponds to the lower slideway, four end points of the upper slideway are fixedly connected with four end points corresponding to the lower slideway through limiting plates, and through holes corresponding to the pushing mechanism are formed in the middle of the limiting plates; the top of the upper cylinder is in sliding connection with the upper slideway, the lower end of the upper cylinder is fixedly connected with an upper disc, and a PCB board is placed and clamped between the upper disc and the lower disc.

5. The polishing device for the PCB as set forth in claim 4, wherein the contact surfaces of the upper and lower disks with the PCB are provided with anti-slip protective layers.

6. The PCB polishing device according to claim 1, wherein the pushing mechanism comprises a cylinder frame, the cylinder frame is fixedly connected to four side outer side walls of the polishing frame, a cylinder is fixedly sleeved in the cylinder frame, the output end of the cylinder is close to the side walls of the polishing frame, the output end of the cylinder is fixedly connected with a push rod, the other end of the push rod penetrates through a supporting hole formed in the outer side wall of the polishing frame to extend to the inside of the polishing frame, six pushing mechanisms are arranged, four of the pushing mechanisms are arranged at the center positions of the four side walls of the polishing frame, and the other two pushing mechanisms are arranged at the centers of the upper side wall and the lower side wall of the front side wall of the polishing frame and at the positions close to the edges.

7. The polishing device for the PCB as set forth in claim 6, wherein the polishing mechanism is disposed inside the polishing frame and is slidably connected with a push rod of the pushing mechanism disposed on the front wall near the edge, a sliding chute is fixedly disposed on the top of the push rod and slides left and right, and limiting blocks are disposed at two ends of the sliding chute, and the polishing mechanism is slidably connected with the push rod through the sliding chute.

8. The PCB board grinding apparatus of claim 2, wherein the cleaning part includes a blower and a dust suction device, the blower is disposed at an upper end of the dust cover and is communicated with the air inlet of the dust cover, and the dust suction device is communicated with the dust outlet of the grinding frame through a pipe.