CN112338246A

CN112338246A - PCB (printed circuit board) dividing machine

Info

Publication number: CN112338246A
Application number: CN202011054767.4A
Authority: CN
Inventors: 王钊; 吴建春
Original assignee: Guangdong Topstar Technology Co Ltd
Current assignee: Guangdong Topstar Technology Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-02-09
Anticipated expiration: 2040-09-29
Also published as: CN112338246B

Abstract

The invention discloses a PCB board separator, which comprises a frame and a board separating processing device, the bearing rack is used for bearing the carrier plate and the PCB, and the gland mechanism is arranged on the bearing rack. The PCB splitting machine has the advantage of compact structure.

Description

PCB (printed circuit board) dividing machine

Technical Field

The invention relates to the field of PCB processing equipment, in particular to a PCB dividing machine.

Background

A PCB (Printed Circuit Board) is a carrier to which electronic components are electrically connected. In the industry, to mass produce PCBs, multiple PCBs are typically fabricated on a single board, and then a PCB board separator mills each PCB down. For preventing the phenomenon that the PCB board shifts or warps when milling, guarantee PCB's processingquality, utilize the transfer chain will need to mill the PCB board and carry positioning jig department man-hour, then just mill after using positioning jig to fix a position the PCB board, mill and reuse transfer chain output PCB after cutting, therefore the transfer chain sets up very long usually, and this structure that just leads to PCB board separator is huge, is unfavorable for transport and arranges.

Therefore, a compact PCB board separator is needed to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide a PCB board separator with a compact structure.

In order to achieve the above purpose, the PCB board separator of the present invention includes a frame, a board separating processing device, a conveying device, a carrying rack for carrying carrier boards and PCB boards, and a capping mechanism mounted on the carrying rack, wherein the board separating processing device and the conveying device are mounted on the frame, the board separating processing device is disposed above the conveying device, the board separating processing device is used for milling the PCB boards on the carrying rack, the carrying rack is mounted at an output end of the conveying device, the conveying device drives the carrying rack to move away from or close to the board separating processing device, the capping mechanism is disposed above the carrying rack, the capping mechanism is selectively movable away from or close to the carrying rack, the capping mechanism at least has a capping position directly above the carrying rack and an opening position away from the carrying rack, the capping mechanism in the capping position selectively presses against the load-bearing platform to position the carrier board and the PCB board on the load-bearing platform.

Preferably, the capping mechanism of the present invention includes a first driver installed on the carrying rack and a capping device slidably installed on the carrying rack, the sliding direction of the capping device is parallel to the moving direction of the carrying rack, the first driver is installed on the carrying rack, the capping device is installed at the output end of the first driver, the first driver selectively drives the capping device to perform a horizontal translational motion approaching to or moving away from the carrying rack, and the capping device selectively presses down on the carrying rack to position the carrier board and the PCB board on the carrying rack when the capping mechanism is in the capping position.

Preferably, a sliding guide rail pair is installed on the bearing rack, the extending direction of the sliding guide rail pair and the moving direction of the bearing rack are arranged in the same direction, and the gland device is installed at the output end of the sliding guide rail pair.

Preferably, the capping device of the present invention includes a second driver and a capping frame, the capping frame is provided with a notch for the plate dividing processing device to pass through, the second driver is mounted at an output end of the sliding guide rail pair, the capping frame is mounted at an output end of the second driver, and the second driver drives the capping frame to move up and down.

Preferably, the capping mechanism further comprises a limiting device, the limiting device comprises a mounting part, a buffer and a blocking part, the blocking part is mounted on the bearing rack, the mounting part is mounted at the output end of the sliding guide rail pair, the buffer is mounted on the mounting part, the buffer and the blocking part are arranged in a facing manner, and the buffer is far away from the blocking part when the capping mechanism is located at the opening position.

Preferably, the PCB board separator of the invention further comprises a knife changing frame arranged beside the cover pressing frame.

Preferably, the PCB board separator of the present invention further comprises a powder collecting device mounted on the bearing rack, the top of the bearing rack is provided with a plurality of powder discharging openings, and a feeding opening of the powder collecting device is communicated with the powder discharging openings.

Preferably, the powder collecting device of the present invention includes a blanking tube and a blanking device arranged in a funnel shape and having an open cavity structure, wherein a large-caliber end of the blanking device is communicated with the powder blanking port, and a small-caliber end of the blanking device is communicated with the blanking tube.

Preferably, the conveying device of the present invention includes a third driver and a movable transmission pair, the movable transmission pair is arranged in the same direction as the moving direction of the carrying rack, the carrying rack is mounted at the output end of the movable transmission pair, the input end of the movable transmission pair is mounted at the output end of the third driver, and the third driver drives the carrying rack to move closer to or away from the board dividing device via the movable transmission pair.

Preferably, the plate dividing processing device of the present invention includes a processing mounting frame, a fourth driver, a first processing transmission pair, a fifth driver, a second processing transmission pair, a milling cutter and a camera, the processing mounting frame is mounted on the frame, the first processing transmission pair is mounted on the processing mounting frame, an input end of the first processing transmission pair is mounted at an output end of the fourth driver, the second processing transmission pair is mounted at an output end of the first processing transmission pair, the fourth driver drives the second processing transmission pair to move laterally via the first processing transmission pair, an input end of the second processing transmission pair is mounted at an output end of the fifth driver, the milling cutter and the camera are mounted at an output end of the second processing transmission pair, the fifth driver drives the milling cutter and the camera to move up and down via the second processing transmission pair, the camera is used for imaging the mark points on the carrier plate so as to determine the processing route of the milling cutter.

Compared with the prior art, the PCB board separator has the advantages that the gland mechanism is arranged on the bearing rack, so that the conveying device can synchronously drive the bearing rack and the gland mechanism to move. Therefore, when the conveying device drives the bearing rack to be far away from the board dividing processing device, the pressing mechanism moves to the opening position and places the carrier board and the PCB on the bearing rack, and the pressing mechanism presses the bearing rack to position the carrier board and the PCB on the bearing rack when moving to the pressing position. After the conveying device drives the bearing rack to be close to the board dividing processing device, the board dividing processing device can process the positioned PCB. The conveying device drives the bearing rack to reciprocate between the feeding and discharging position and the processing position, and a one-way movement path between the feeding and discharging position and the processing position of the bearing rack is shorter.

Drawings

Fig. 1 is a schematic perspective view of a PCB board separator according to the present invention.

Fig. 2 is a schematic perspective view of the PCB board separator of fig. 1 with the cover pressing mechanism in an open position after the frame and the board separating device are hidden.

Fig. 3 is a schematic perspective view of the PCB board separator shown in fig. 1, after the rack and the board separating device are hidden, the capping mechanism is located at the capping position.

Fig. 4 is a schematic perspective view of the carriage, the conveying device, the first driver and the blocking member of fig. 2 after being further hidden.

Fig. 5 is a schematic perspective view of the capping device, the mounting member and the bumper of fig. 2 further hidden from view.

Fig. 6 is a schematic perspective view of the conveyor and the carrier plate of fig. 5 further hidden.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 to 5, a PCB board separator 100 of the present invention includes a frame 10, a board separating and processing device 20, a conveying device 30, a carrying rack 40 for carrying a carrier board 91 and a PCB board (not shown), and a capping mechanism 50 mounted on the carrying rack 40. The board dividing and processing device 20 and the conveying device 30 are respectively mounted on the frame 10, the board dividing and processing device 20 is disposed above the conveying device 30, the board dividing and processing device 20 is used for milling the PCB board on the bearing rack 40, the bearing rack 40 is mounted at the output end of the conveying device 30, the conveying device 30 drives the bearing rack 40 to move away from or close to the board dividing and processing device 20, the cover pressing mechanism 50 is disposed above the bearing rack 40, and the cover pressing mechanism 50 can be selectively moved away from or close to the bearing rack 40. The capping mechanism 50 has at least one capping position directly above the loading stage 40 and an open position away from the loading stage 40, and the capping mechanism 50 in the capping position selectively presses against the loading stage 40 to position the carrier board 91 and the PCB board on the loading stage 40. In this way, since the capping mechanism 50 is mounted on the carrying stage 40, the carrying stage 40 and the capping mechanism 50 can be driven to move synchronously by the conveying device 30. Therefore, when the conveying device 30 drives the carrying rack 40 to move away from the board dividing device 20, the capping mechanism 50 moves to the open position to place the carrier board 91 and the PCB board on the carrying rack 40, and then the capping mechanism 50 moves to the capping position to press the carrying rack 40 to position the carrier board 91 and the PCB board on the carrying rack 40. After the conveying device 30 drives the loading rack 40 to approach the board dividing device 20, the board dividing device 20 can process the positioned PCB board. The conveying device 30 drives the bearing rack 40 to reciprocate between the feeding and discharging position and the processing position, and a one-way movement path between the feeding and discharging position and the processing position of the bearing rack 40 is shorter, so that compared with the bearing rack 40 which can only carry out one-way conveying, the PCB board separator 100 effectively reduces the processing movement distance of the bearing rack 40, the conveying device 30 is made shorter, smaller and compact, the structure of the PCB board separator 100 is greatly optimized, and the PCB board separator 100 can be more compactly and optimally arranged. It should be noted that the carrier board 91 of the present invention is a structure for positioning and placing the PCB board, and the carrier board 91 may be a structure known in the art, and therefore, the description thereof is omitted.

As shown in fig. 1 to 5, the capping mechanism 50 includes a first driver 51 installed on the carrying stage 40 and a capping device 52 slidably installed on the carrying stage 40, a sliding direction of the capping device 52 is parallel to a moving direction of the carrying stage 40, the capping device 52 is installed at an output end of the first driver 51, the first driver 51 selectively drives the capping device 52 to perform a horizontal translational movement approaching to or moving away from the carrying stage 40, and the capping device 52 selectively presses down on the carrying stage 40 to position the carrier board 91 and the PCB board on the carrying stage 40 when the capping mechanism 50 is in the capping position. The structure of the capping mechanism 50 is simple, the first driver 51 can be used for conveniently driving the capping device 52 to approach or move away from the bearing table 40, so that the loading and unloading operation on the bearing table 40 is facilitated, the one-way movement path of the capping device 52 relative to the bearing table 40 is shorter, and the structure of the capping mechanism 20 is optimized. In order to facilitate the gland device 52 to slide on the bearing rack 40 more stably, a sliding guide rail pair 41 is installed on the bearing rack 40, the extending direction of the sliding guide rail pair 41 is arranged in the same direction as the moving direction of the bearing rack 40, and the gland device 52 is installed at the output end of the sliding guide rail pair 41. For example, the first driver 51 is a cylinder, but is not limited thereto.

As shown in fig. 1 to 5, the capping device 52 includes a second actuator 521 and a capping frame 522, the capping frame 52 is opened with a notch 5221 for the plate separating and processing device 20 to pass through, the second actuator 521 is installed at the output end of the sliding guide rail pair 41, the capping frame 522 is installed at the output end of the second actuator 521, and the second actuator 521 drives the capping frame 522 to move up and down. The capping device 52 has a simple structure and is easy to install and arrange, and the second driver 521 can simply and quickly drive the capping frame 522 to press the carrier board 91 and the PCB board onto the carrier rack 40, so as to facilitate the positioning of the carrier board 91 and the PCB board. For example, the second driver 521 is a cylinder, but is not limited thereto. Specifically, the capping mechanism 50 further includes a limiting device 53, the limiting device 53 includes a mounting member 531, a buffer 532 and a blocking member 533, the blocking member 533 is mounted on the bearing rack 40, the mounting member 531 is mounted at an output end of the sliding guide rail pair 41, the buffer 532 is mounted on the mounting member 531, the buffer 532 and the blocking member 533 are arranged in a facing manner, the buffer 532 is far away from the blocking member 533 when the capping mechanism 50 is located at the second position, and the sliding capping rack 522 can be blocked and positioned by the limiting device 53, so that the capping rack 522 can accurately move to a position right above the bearing rack 40. In the sliding process of the capping frame 522 approaching the bearing rack 40, when the capping mechanism 50 is about to reach the capping position, the buffer 532 firstly abuts against the blocking member 533, so as to buffer and block the capping frame 522, so that the capping frame 522 smoothly slides over the bearing rack 40, and excessive shaking generated before positioning is avoided. In order to allow the board dividing apparatus 20 to rapidly change tools and reduce waiting time for changing, thereby improving the processing efficiency of the PCB board dividing machine 100, the PCB board dividing machine 100 further includes a tool changing frame 54 installed at the side of the capping frame 522. Preferably, the buffer 532 is a conventional buffer that can buffer the movement of the object, such as an elastic buffer, and thus, the detailed description thereof is omitted here.

As shown in fig. 1 to 6, the PCB board separator 100 further includes a powder collecting device 60 mounted on the supporting rack 40, a plurality of powder discharging openings 42 are formed on the top of the supporting rack 40, and a feeding opening of the powder collecting device 60 is communicated with the powder discharging openings 42. The powder collecting device 60 can be used for collecting the powder generated by processing the PCB in a centralized way, so that the powder accumulation is prevented from influencing the processing. Preferably, the powder collecting device 60 is connected to a vacuum pump, so as to suck the powder by vacuum absorption for better collecting the powder. Specifically, the powder collecting device 60 includes a blanking tube 61 and a blanking device 62 arranged in a funnel shape and having an open cavity structure, wherein a large-diameter end of the blanking device 62 is communicated with the powder blanking port 42, and a small-diameter end of the blanking device 62 is communicated with the blanking tube 61. The powder bits that the processing produced can fall to blanking pipe 61 through blanking device 62 fast and discharge, also be difficult for the raise dust simultaneously, avoid influencing processing.

As shown in fig. 1 to 5, the conveying device 30 includes a third driver 31 and a moving transmission pair 32, the moving transmission pair 32 is disposed in the same direction as the moving direction of the carrying rack 40, the carrying rack 40 is mounted at the output end of the moving transmission pair 32, the input end of the moving transmission pair 32 is mounted at the output end of the third driver 31, and the third driver 31 drives the carrying rack 40 to move closer to or away from the board dividing device 20 through the moving transmission pair 32. Thus, the conveying device 30 is simple in structure and easy to install and arrange. For example, the third driver 31 is a motor, and the moving transmission pair 32 is a screw nut pair, but not limited thereto, so as to drive the loading stage 40 and the capping mechanism 50 to move more smoothly and rapidly. Preferably, in order to make the carrying rack 40 move more stably, the conveying device 30 further includes a moving guide pair 33 disposed opposite to and spaced apart from the moving transmission pair 32, the moving guide pair 33 is disposed in the same direction as the moving direction of the carrying rack 40, and the carrying rack 40 is further installed at the output end of the moving guide pair 33. The board dividing processing device 20 comprises a processing mounting frame 21, a fourth driver 22, a first processing transmission pair 23, a fifth driver 24, a second processing transmission pair 25, a milling cutter 26 and a camera 27, wherein the processing mounting frame 21 is mounted on the frame 10, the first processing transmission pair 23 is mounted on the processing mounting frame 21, the input end of the first processing transmission pair 23 is mounted at the output end of the fourth driver 22, the second processing transmission pair 25 is mounted at the output end of the first processing transmission pair 23, the fourth driver 22 drives the second processing transmission pair 25 to transversely move through the first processing transmission pair 23, the input end of the second processing transmission pair 25 is mounted at the output end of the fifth driver 24, the milling cutter 26 and the camera 27 are mounted at the output end of the second processing transmission pair 25, the fifth driver 24 drives the milling cutter 26 and the camera 27 to vertically move through the second processing transmission pair 25, the camera 27 is used for imaging the marked points on the carrier plate 91 to determine the processing route of the milling cutter 26. Thus, the milling cutter 26 in the board dividing device 20 of the present invention has two degrees of freedom, and can perform three-axis processing on a PCB board in cooperation with the movement of the bearing rack 40, which is convenient for milling the PCB board. Furthermore, before the processing, the camera 27 is used to capture images of the mark points (i.e. mark points) of the carrier board 91, so that the processing route of the milling cutter 26 can be generated and determined, and the PCB board can be accurately milled. Preferably, the fourth driver 22 and the fifth driver 24 are motors, and the first machining transmission pair 23 and the second machining transmission pair 25 are screw nut pairs, but not limited thereto. The mark point on the carrier plate 91 is a mark point or a structure provided in advance on the carrier plate 91, but is not limited thereto.

The operation of the PCB board separator 100 of the present invention will be described with reference to fig. 1 to 6: during processing, the conveying device 30 drives the bearing rack 40 to be far away from the board dividing processing device 20, the first driver 51 drives the pressing device 52 to slide away from the bearing rack 40, at the moment, the carrier board 91 and the PCB board can be placed on the bearing rack 40, then the first driver 51 drives the pressing device 52 to slide right above the bearing rack 40, the second driver 521 drives the pressing rack 522 to move downwards to press the PCB board and the carrier board 91 on the bearing rack 40, and the positioning of the PCB board and the carrier board 91 before processing is realized. The conveying device 30 drives the bearing rack 40 and the capping mechanism 50 to move to a position right below the board dividing and processing device 20, and the camera 27 images the marked points on the carrier board 91, so as to determine the processing route of the milling cutter 26. Then, the fourth driver 22 and the fifth driver 24 move to drive the milling cutter 26 to mill the PCB board, and the whole PCB board is milled by the driving movement of the conveying device 30 to the carrying rack 40 during the milling process. The powder dust generated during the processing falls into the powder dust collecting device 60 to be collected and discharged. After the whole milling of the PCB is completed, the conveying device 30 drives the bearing rack 40 and the capping mechanism 50 to move away from the board dividing and processing device 20, the second driver 521 drives the capping rack 522 to move upwards, the first driver 51 drives the capping device 52 to slide away from the bearing rack 40, and then the PCB and the carrier board 91 can be blanked. The PCB can be continuously processed by repeating the steps, and the working principle is as described above.

Compared with the prior art, the PCB board separator of the invention has the advantages that the gland mechanism 50 is arranged on the bearing rack 40, so that the conveying device 30 can synchronously drive the bearing rack 40 and the gland mechanism 50 to move. Therefore, when the conveying device 30 drives the carrying rack 40 to move away from the board dividing device 20, the capping mechanism 50 moves to the open position to place the carrier board 91 and the PCB board on the carrying rack 40, and then the capping mechanism 50 moves to the capping position to press the carrying rack 40 to position the carrier board 91 and the PCB board on the carrying rack 40. After the conveying device 30 drives the loading rack 40 to approach the board dividing device 20, the board dividing device 20 can process the positioned PCB board. The conveying device 30 drives the bearing rack 40 to reciprocate between the feeding and discharging position and the processing position, and a one-way movement path between the feeding and discharging position and the processing position of the bearing rack 40 is shorter, so that compared with the bearing rack 40 which can only carry out one-way conveying, the PCB board separator 100 effectively reduces the processing movement distance of the bearing rack 40, the conveying device 30 is made shorter, smaller and compact, the structure of the PCB board separator 100 is greatly optimized, and the PCB board separator 100 can be more compactly and optimally arranged.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims

1. The utility model provides a PCB board separator which characterized in that: including frame, branch board processingequipment, conveyor, be used for bearing the weight of the bearing rack of carrier board and PCB board and install in bear the capping mechanism on the rack, divide board processingequipment with conveyor respectively install in the frame, divide board processingequipment to locate conveyor's top, divide board processingequipment to be used for milling PCB board on the bearing rack, the bearing rack install in conveyor's output, conveyor orders about it does to bear the weight of the rack and removes or be close to divide board processingequipment's motion, capping mechanism locates the top of bearing rack, capping mechanism alternative removal or be close to bear the weight of the rack, capping mechanism has one at least and is located bear the gland position directly over the rack and keep away from in bear the open position of rack, be located the gland position gland mechanism alternative press to bear the rack and be in with carrier board and PCB board location the gland mechanism has one be located bear the gland position directly over the rack and keep away from in bear the open position of rack, be located the gland position On the bearing rack.

2. The PCB board separator according to claim 1, wherein the capping mechanism comprises a first driver mounted on the carrier rack and a capping device slidably mounted on the carrier rack, the capping device sliding direction being parallel to the moving direction of the carrier rack, the first driver being mounted on the carrier rack, the capping device being mounted at an output end of the first driver, the first driver selectively actuating the capping device to perform a horizontal translational movement toward or away from the carrier rack, the capping device selectively pressing down on the carrier rack to position the carrier board and the PCB board on the carrier rack when the capping mechanism is in the capping position.

3. The PCB board separator according to claim 2, wherein a sliding guide rail pair is mounted on the bearing rack, the extending direction of the sliding guide rail pair is arranged in the same direction as the moving direction of the bearing rack, and the capping device is mounted at the output end of the sliding guide rail pair.

4. The PCB board separator according to claim 3, wherein the press-cover device comprises a second driver and a press-cover frame, the press-cover frame is provided with a notch for the board separator processing device to pass through, the second driver is mounted at the output end of the sliding guide rail pair, the press-cover frame is mounted at the output end of the second driver, and the second driver drives the press-cover frame to move up and down.

5. The PCB board separator of claim 4, wherein the capping mechanism further comprises a stop device, the stop device comprising a mounting member, a bumper and a stop member, the stop member being mounted on the carriage rack, the mounting member being mounted to the output end to the slide rail pair, the bumper being mounted to the mounting member, the bumper being in facing arrangement with the stop member, the bumper being spaced away from the stop member when the capping mechanism is in the open position.

6. The PCB board separator of claim 4, further comprising a knife changing frame mounted to the side of the cover pressing frame.

7. The PCB board separator of claim 1, further comprising a powder collecting device mounted on the carrier rack, wherein a plurality of powder blanking openings are formed in the top of the carrier rack, and a feeding opening of the powder collecting device is communicated with the powder blanking openings.

8. The PCB board separator as recited in claim 7, wherein the powder scrap collecting device comprises a blanking tube and a blanking device arranged in a funnel shape and having an open cavity structure, wherein a large-caliber end of the blanking device is communicated with the powder scrap blanking port, and a small-caliber end of the blanking device is communicated with the blanking tube.

9. The PCB board separator according to claim 1, wherein the conveying device comprises a third driver and a movable transmission pair, the movable transmission pair is arranged in the same direction as the moving direction of the carrying rack, the carrying rack is mounted at the output end of the movable transmission pair, the input end of the movable transmission pair is mounted at the output end of the third driver, and the third driver drives the carrying rack to move towards or away from the board separator processing device through the movable transmission pair.

10. The PCB board separating machine of claim 9, wherein the board separating device comprises a processing mounting frame, a fourth driver, a first processing transmission pair, a fifth driver, a second processing transmission pair, a milling cutter and a camera, the processing mounting frame is mounted on the frame, the first processing transmission pair is mounted on the processing mounting frame, an input end of the first processing transmission pair is mounted at an output end of the fourth driver, the second processing transmission pair is mounted at an output end of the first processing transmission pair, the fourth driver drives the second processing transmission pair to move transversely through the first processing transmission pair, an input end of the second processing transmission pair is mounted at an output end of the fifth driver, the milling cutter and the camera are mounted at an output end of the second processing transmission pair, and the fifth driver drives the milling cutter and the camera to move up and down through the second processing transmission pair, the camera is used for imaging the mark points on the carrier plate so as to determine the processing route of the milling cutter.