TWI775257B - Circuit board dividing and cutting method and equipment - Google Patents

Abstract

The present invention, "the method and equipment for dividing and cutting circuit boards", is aimed at the improvement scheme proposed when dividing and cutting multiple substrates in a single group of copper foils in the circuit board manufacturing process. In particular, at least one end of the circuit board is stretched and flattened during cutting, so that the original wrinkled copper foil between the substrates can be completely flattened, ensuring correct cutting and smooth cutting lines, avoiding previous cutting Miscuts or the cutting line is bent and pulled in a mess.

Description

Circuit board dividing and cutting method and equipment

The invention "a method and apparatus for dividing and cutting a circuit board" relates to a technology for dividing and cutting a circuit board, especially to a technical field that can avoid the copper foil wrinkling during cutting.

In the circuit board manufacturing process, after a plurality of substrates are pressed together, at least two substrates are generally arranged between the two corresponding upper and lower copper foils, adjacent to an appropriate interval, forming the first half and the second half of the semi-finished circuit board only rely on copper foil. Foil connection; and the subsequent process needs to divide and cut the copper foil connected between the two substrates. In the conventional technology, the copper foil is often overlapped or wrinkled during the splitting and cutting, which causes the copper foil to be easily pulled or the cut surface is skewed, twisted and other unevenness or errors during the splitting and cutting. Rate.

In view of this, the inventor has developed this case, hoping to improve the shortcomings of the existing circuit board cutting and cutting, and hope that the effect of circuit board cutting and cutting can be more perfect and ideal, and meet the actual needs.

In order to improve the defects of the copper foil caused by unevenness of the copper foil when the circuit board is divided and cut, the main purpose of the present invention is to make one end of the circuit board pull and move during cutting; The original wrinkled or wavy copper foil between the substrates is completely flat, ensuring correct cutting and cutting lines, avoiding previous cutting mistakes or cutting lines bending, messy, pulling and other phenomena, thereby improving the quality of cutting and reducing defects Rate.

In order to achieve the above purpose, the specific means in this case are as follows: the method of dividing and cutting the circuit board mainly includes the following steps in sequence: feeding the circuit board, detecting the target position, adjusting the position of the circuit board, pulling and moving one end of the circuit board, The back-end circuit boards are pressed, segmented and cut, and the circuit boards are discharged in sequence.

Preferably, the aforesaid step of performing target position detection is to read the position of the target position preset on the circuit board with X-ray equipment; this is a conventional technique.

Preferably, in the aforementioned step of adjusting the position of the circuit board, a transfer unit is used to adsorb the front section of the circuit board to perform position calibration on the circuit board.

Preferably, in the aforementioned step of pulling and moving one end of the circuit board, a transfer unit that is adsorbed on the front section of the circuit board is used to pull the front section of the circuit board outward by an appropriate distance.

Preferably, in the aforementioned step of pressing the back-end circuit board, a lift-type pressing element is used to fix the position of the back-end circuit board.

Preferably, in the aforementioned step of dividing and cutting, a cutting unit located at a preset cutting line is used for cutting.

Preferably, between the aforementioned two steps of pulling one end of the circuit board and dividing and cutting, a process of lowering the position of the rear circuit board can be added as required.

Preferably, the aforementioned step of lowering the position of the rear circuit board is to appropriately lower the position of the rear circuit board, so as to tighten the copper foil at the cutting line.

As for the circuit board dividing and cutting equipment in this case, it includes: a feeding unit, a cutting unit, a detecting unit, a transferring unit and a discharging unit.

In one of the preferred embodiments, the feeding unit is a platform for conveying, including one or more front conveyor belts, the front conveyor belt is close to the top of the end, and a horizontal bar is suspended, and the horizontal bar is set. There are one or more pressing elements, which may be pneumatic cylinders or hydraulic cylinders with telescopic function or equivalent components; a plate body is fixed on the bottom of the front conveyor belt, and one or one plate is arranged on the plate body. In the above power cylinder, the power cylinder has a telescopic function, and the end of the power cylinder is connected to the bottom of the rear end of the front conveyor belt, so that the rear end of the front conveyor belt can be lowered in height when the power cylinder is retracted; At the same time, the rear end of the front conveyor belt can rise back to its original height.

In a preferred embodiment, the cutting unit is connected to the rear end of the feeding unit; the bottom of the cutting unit includes a platform, the platform A cutting knife is suspended from the top, and the bottom of the cutting knife is inclined; and a plurality of pressing elements are arranged on a side of the cutting knife. ; A transmission element group is arranged on the top of the cutting unit, and the transmission element group can move the cutting knife up and down in conjunction with it when it is actuated.

In a preferred embodiment, the detection unit is connected to the rear end of the cutting unit; the detection unit includes two optical detection elements, specifically X-ray detection elements; the X-ray detection elements It can be used to detect the original preset target position in the circuit board, so as to know the position of the circuit board, so as to facilitate the subsequent position adjustment.

In one of the preferred embodiments, the transfer unit is located at the rear end of the detection unit; the transfer unit includes a power element, and the power element can be used to link a screw, and slide rails are correspondingly provided on both sides of the screw; One end of the screw rod is connected with a platform group, a plurality of suction cups are arranged on the platform group, and an adjustment mechanism is arranged below the platform group.

In a preferred embodiment, the discharging unit includes two rear conveyor belts, and the two rear conveyor belts are respectively arranged on both sides of the transfer unit.

1: Feeding unit

10: Front conveyor belt

11: Crossbar

12: Press components

13: Board body

14: Power cylinder

2: cutting unit

21: Platform

22: Cutter

23: Press-fit components

24: Transmission element group

3: Detection unit

31: X-ray detection element

4: Transfer unit

41: Power components

42: Screw

43: Slide rail

44: Platform Group

441: Sucker

45: Adjustment mechanism

5: discharge unit

51: Rear conveyor belt

9: circuit board

90: Target

91: copper foil

92: Plate

Figure 1: It is a three-dimensional appearance view of the present invention;

The second figure: is the three-dimensional appearance view of the feeding unit of the present invention;

Figure 3: It is a three-dimensional appearance view of the cutting unit of the present invention;

Figure 4: It is a three-dimensional appearance view of the detection unit of the present invention;

Figure 5: It is a three-dimensional appearance view of the transfer unit and the discharge unit of the present invention;

The sixth figure: is the schematic diagram of the present invention when feeding;

Figure 7: It is a schematic diagram of the present invention for detecting the target position of the circuit board;

Figure 8: It is a schematic diagram of the transfer unit of the present invention sucking the circuit board;

Figure 9: It is a schematic diagram of the present invention for adjusting the position of the circuit board;

Figure 10: It is a schematic diagram of the present invention for pulling and moving the circuit board;

Figure 11: It is a schematic diagram of the feeding unit of the present invention clamping the circuit board and reducing the height;

The twelfth figure: it is a schematic diagram of the cutting unit of the present invention cutting the circuit board;

Figure 13: It is a schematic diagram of the feeding unit ascending and resetting and conveying the front-end circuit board outwards according to the present invention.

Hereby, with regard to the structure and composition of the circuit board dividing and cutting method and equipment of the present invention, as well as the effects that can be produced, a preferred embodiment of the case is described in detail as follows.

The circuit board segmentation and cutting method in this case mainly involves the following steps in sequence: circuit board feeding, target position detection, circuit board position adjustment, pulling and moving one end of the circuit board, pressing the back-end circuit board, dividing and cutting, circuit The plates are discharged in sequence.

The aforementioned step of performing target detection is based on the fact that the circuit board has been pre- The set target mark is read by X-ray equipment; this is a conventional technology. In the aforementioned step of adjusting the position of the circuit board, a transfer unit is used to adsorb on the front section of the circuit board, and the position of the circuit board is calibrated. In the aforementioned step of pulling and moving one end of the circuit board, a transfer unit that is adsorbed on the front section of the circuit board is used to pull the front section of the circuit board outward by an appropriate distance. In the aforementioned step of pressing the back-end circuit board, a lift-type pressing element is used to fix the position of the back-end circuit board. In the aforementioned step of dividing and cutting, a cutting unit located at a preset cutting line is used for cutting. Between the aforementioned two steps of pulling one end of the circuit board and dividing and cutting, a process of lowering the position of the rear circuit board can be added as required. The aforementioned step of lowering the position of the back-end circuit board is to appropriately lower the position of the back-end circuit board, so as to tighten the copper foil at the cutting line.

Please refer to the first figure, the circuit board dividing and cutting equipment in this case includes: a feeding unit 1 , a cutting unit 2 , a detecting unit 3 , a transferring unit 4 and a discharging unit 5 .

The feeding unit 1 (please refer to the second picture) is a conveying platform, including one or more front conveyor belts 10. The front conveyor belt 10 is close to the upper part of the end, and a horizontal bar 11 is suspended. One or more pressing elements 12 are arranged at the cross bar 11, and the pressing elements 12 may be pneumatic cylinders or hydraulic cylinders with telescopic functions or equivalent components; the bottom of the front conveyor belt 10 is fixed with a plate body 13, The plate body 13 is provided with one or more power cylinders 14. The power cylinder 14 has a telescopic function. The end of the power cylinder 14 is connected to the bottom of the end of the front conveyor belt 10, so that when the power cylinder 14 is retracted, the front conveyor is The rear end of the belt 10 can be lowered in height; on the contrary, when the power cylinder 14 is extended out, the rear end of the front conveyor belt 10 can be raised and returned to its original height.

The cutting unit 2 (please refer to the third picture) is connected to the rear end of the feeding unit 1; the bottom of the cutting unit 2 includes a platform 21, and a cutting knife 22 is suspended from the top of the platform 21. The cutting knife 22 The bottom is inclined; and a plurality of pressing elements 23 are arranged on one side of the cutting knife 22. These pressing elements 23 are slightly elastic, and the bottom surface of the cutting knife 22 is preferably downwardly surpassed; the cutting A transmission element group 24 is disposed on the top of the unit 2 , and the transmission element group 24 can move the cutter 22 up and down in conjunction with it when actuated.

The detection unit 3 (please refer to the fourth figure) is connected to the rear end of the cutting unit 2; the detection unit 3 includes two optical detection elements, specifically an X-ray detection element 31; the X-ray The detecting element 31 can be used to detect the original preset target position in the circuit board, so as to know the position of the circuit board, so as to facilitate the subsequent position adjustment.

The transfer unit 4 (please refer to the fifth figure) is located at the rear end of the detection unit 3 ; the transfer unit 4 includes a power element 41 , and the power element 41 can be used to link a screw 42 , the two sides of the screw 42 A slide rail 43 is correspondingly provided; one end of the screw 42 is connected with a platform group 44 , a plurality of suction cups 441 are arranged on the platform group 44 , and an adjustment mechanism 45 is arranged below the platform group 44 . The actuating energy of the power element 41 is used to drive the displacement of the platform set 44 by means of the screw 42 , and the adjustment mechanism 45 can be used to adjust the platform set 44 for multi-axis position adjustment.

The discharge unit 5 (please match the fifth picture), including two rear conveying Belts 51 , the two rear conveyor belts 51 are respectively arranged on both sides of the transfer unit 4 .

When this case is implemented, please refer to Figure 6. A circuit board 9 is fed through the feeding unit 1 and moved backward through the front conveyor belt 10, so that the detection unit 3 reads the target position 90 to know the offset position (as shown in Figure 7, wherein the circuit board 9 The structure includes a copper foil 91 sandwiching the inner plate 92); after knowing the position of the circuit board 9, continue to transfer the circuit board 9 backward to the transfer unit 4, as shown in Figure 8, make the transfer unit 4 4 rises, each suction cup 441 sucks the bottom of the circuit board 9, and then the platform group 44 adjusts the position of the circuit board 9 to the correct position by the adjusting mechanism 45 (the ninth figure), and then the transfer unit 4 slightly pulls the circuit board 9 (the tenth figure). At the same time, the pressing element 12 of the feeding unit 1 is lowered in height to press down the second half of the circuit board 9, and the power cylinder 14 is retracted to lower the rear end of the front conveyor belt 10, thereby tightening the two sides of the circuit board 9. The copper foil 91 (the eleventh figure) between the plates 92 can be completely flattened when one end of the copper foil 91 is pulled forward and the other end is moved down; then the transmission element group 24 is actuated to make the The cutting knife 22 moves down, so as to cut the copper foil 91 in the center of the circuit board 9 (the twelfth figure), and separate it into two circuit boards with a relatively small area. The divided circuit boards 9 can be transported in sequence (Fig. 13).

To sum up, the "circuit board cutting method and equipment" in this case can be flattened and stretched before the circuit board is cut and cut, so as to avoid the bending and wrinkling of the copper foil in the conventional cutting place, and effectively improve the The cutting effect and flatness can also eliminate bad problems; the technical content of this case fully complies with the requirements for obtaining an invention patent. This case is indeed used in the industry, and it has not been seen before the application Technology used in publications or publicly and not known to the public. Furthermore, this case effectively solves the long-standing problems in the prior art and meets the long-term needs of the relevant users and consumers, which proves that the present invention cannot be easily accomplished. This case is full of the requirements of "industrial utilization", "novelty" and "progress" stipulated by the Patent Law. It is required to apply for a patent in accordance with the law. I urge the Bureau to conduct a detailed investigation and approve the patent as soon as possible to protect the wisdom of the applicant. Property rights to encourage innovation.

The present invention has been described in detail by the above-mentioned embodiments and modifications. However, it should be understood by those skilled in the art that all embodiments of the present invention herein are merely illustrative and not restrictive, that is, without departing from the spirit and scope of the present invention, based on the above-mentioned And other variations and amendments are covered by the present invention, and the present invention is defined by the appended claims.

1: Feeding unit

2: cutting unit

3: Detection unit

4: Transfer unit

5: discharge unit

Claims (2)

A method for dividing and cutting a circuit board, comprising the following steps in sequence: feeding the circuit board, performing target position detection, adjusting the position of the circuit board, pulling and moving one end of the circuit board, lowering the position of the back-end circuit board, pressing the back-end circuit board, and dividing Cutting and circuit boards are sequentially discharged. In the method for dividing and cutting a circuit board as claimed in claim 1, wherein the step of pulling and moving one end of the circuit board is to use a transfer unit attached to the front section of the circuit board to pull the front section of the circuit board outward by an appropriate distance.

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