CN112123445A

CN112123445A - Punching device of flexible printed circuit board

Info

Publication number: CN112123445A
Application number: CN202010774672.3A
Authority: CN
Inventors: 黄光明; 吉建成; 唐川
Original assignee: MFS TECHNOLOGY (HUNAN) CO LTD
Current assignee: MFS TECHNOLOGY (HUNAN) CO LTD
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2020-12-25
Anticipated expiration: 2040-08-04
Also published as: CN112123445B

Abstract

The invention discloses a punching device of a flexible printed circuit board, and relates to the technical field of circuit board punching devices, in particular to a punching platform, a placing frame and a detachable punching piece, wherein a slide rail is arranged on the surface of the punching platform, the placing frame is fixed at the top of a sliding plate, a punching chamber is arranged on one side of the surface of the punching platform, the bottom of a hydraulic cylinder is connected with a push rod, the detachable punching piece is connected to the bottom of the push rod, fans are arranged on two sides of the inner wall of the punching chamber, and a dropping opening is formed in the. This flexible printed circuit board's die-cut device can blow off the sweeps inside the pull steamer tray through the fan rotation, and great waste material then passes the waste material row mouth of inner wall slope by oneself, drops the mouth and falls on the separator plate surface, is favorable to guaranteeing the neatness of die-cut circuit board and fastener inslot portion, and can classify and conclude the waste material through the separator plate, makes things convenient for later stage centralized processing, and the later stage can take out the waste material to outside pulling separator plate or pull steamer tray.

Description

Punching device of flexible printed circuit board

Technical Field

The invention relates to the technical field of circuit board punching devices, in particular to a punching device for a flexible printed circuit board.

Background

The flexible printed circuit board is made of polyimide or polyester film as base material, and has the features of high reliability, high wiring density, light weight, thin thickness and good bending performance, and the circuit board punching device is one cutting device for cutting the edge of the flexible printed circuit board to reach required size and has the principle as follows: the flexible circuit board is placed in the placing frame, and when the placing frame slides along a specified route and passes through the area where the punching piece is located, the edge of the flexible circuit board is cut through the punching piece.

The existing punching device is easy to passivate after being used for a long time and needs to be replaced in time, however, the existing punching device is basically fixed by screws, the dismounting process is complex, the punching device can produce waste materials after punching and cutting the flexible circuit board, and the punching device is low in working efficiency due to the fact that manual treatment is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a punching device for a flexible printed circuit board, which solves the problems that a punching piece is easy to passivate and needs to be replaced in time after the punching device provided by the background technology is used for a long time, however, the existing punching piece is basically fixed by screws, the dismounting and mounting processes are complex, waste materials generated by the punching device after punching and cutting the flexible printed circuit board cannot be cleaned, and the punching device needs manual treatment, so that the working efficiency of the punching device is low.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a die-cut device of flexible printed circuit board, includes die-cut platform, rack and can dismantle die-cut piece, die-cut platform surface is provided with the slide rail, and the inside arrangement of slide rail has the slide, the rack is fixed in the slide top, and slide one side is connected with the telescopic link, settle die-cut platform surface one side has die-cut room, and die-cut roof portion is fixed with the pneumatic cylinder, the pneumatic cylinder bottom is connected with the push rod, can dismantle die-cut piece and connect in the push rod bottom, die-cut indoor wall both sides are provided with the fan, the fastener groove has been seted up on the rack surface, and fastener inslot wall bottom both sides have seted up waste material row mouth, the mouth that drops.

Optionally, the rack passes through the telescopic link and constitutes extending structure, and the rack passes through and constitutes limit structure between slide and the slide rail, is welding integral structure moreover between rack and the slide.

Optionally, the detachable punching part comprises a pressing plate, a placing groove, a punching part body, a sealing cap, a clamping groove block, a clamping block, a spring and a clamping block, the placing groove is formed in the pressing plate, the punching part body is placed in the placing groove, the sealing cap is arranged on one side of the pressing plate, the clamping groove block is arranged on one side of the upper surface of the pressing plate, the clamping block is inserted into the clamping groove block, the spring is arranged in the clamping block, and the clamping block is connected to the top of the spring.

Optionally, the punching part bodies are symmetrically distributed about a vertical center line of the pressing plate, the structural size of an outer opening at the top of each punching part body is identical to that of an inner opening of the placing groove, and the side faces of the pressing plate are attached to the sealing caps.

Optionally, the clamping block forms a reset structure with the clamping block through the spring, the clamping block and the sealing cap form a welding integrated structure, and the outer opening structure size of the clamping block is matched with the inner opening structure size of the clamping groove block.

Optionally, the fans are symmetrically distributed about a vertical center line of the placing frame, the fans are of an inclined structure, and the placing frame forms a limiting structure through the clamping piece grooves.

Optionally, the waste material row mouthful inner wall is the inclined surface, and the waste material row mouthful and the mouth that drops between be the parallel form and distribute, the outer mouthful size of waste material row mouth is less than the interior mouthful size of the mouth that drops moreover.

Optionally, the scrap collecting box comprises a collecting box, a support piece, a separating plate and a drawing drawer, the support piece is fixed to the top of the inner wall of the collecting box, the separating plate is arranged on the upper surface of the support piece, and the drawing drawer is arranged below the separating plate.

Optionally, the size of the inner opening of the material collecting box is larger than that of the inner opening of the punching chamber, the separating plate forms a supporting structure with the material collecting box through the supporting piece, a sliding structure is formed between the separating plate and the material collecting box, and the surface of the separating plate is of a grid structure.

Optionally, the outer surface of the drawing drawer is attached to the inner surface of the material collecting box, and a sliding structure is formed between the drawing drawer and the material collecting box.

The invention provides a punching device of a flexible printed circuit board, which has the following beneficial effects:

1. this die-cut device of flexible printed circuit board, the fastener groove has been seted up on the rack surface, and the internal orifice structural dimension in fastener groove is identical with the outer mouthful structural dimension of the flexible printed circuit board of treating tailorring, only needs to place flexible printed circuit board in the fastener inslot portion can carry on spacingly to this circuit board, is favorable to improving the die-cut accuracy of tailorring, avoids the circuit board to take place to shift.

2. This flexible printed circuit board's die-cut device, can pass the waste material row mouth through the fan rotation after the circuit board is die-cut, drop mouthful until falling inside the pull steamer tray, and great waste material then passes the waste material row mouth of inner wall slope by oneself, the mouth that drops falls on the separator plate surface, be favorable to guaranteeing the circuit board after the die-cut and the neatness of fastener inslot portion, and can classify and conclude the waste material through the separator plate, make things convenient for later stage centralized processing, the later stage can take out the waste material to outside pulling separator plate or pull steamer tray.

3. This flexible printed circuit board's die-cut device, the rack surface is seted up flutedly, it is located die-cut body under, need fall in the inside side of recess when die-cut body pushes down and can carry out die-cut operation to the circuit board to be favorable to improving the accuracy of the die-cut operation of die-cut body, if die-cut body does not fall in the recess inside then can not carry out die-cut operation to the circuit board, be favorable to avoiding the circuit board to carry out wrong die-cut operation, avoid the material extravagant.

4. This flexible printed circuit board's die-cut device, thereby die-cut body top clamp plate side inserts inside the standing groove, the joint sealing cap of laminating again, the fixture block at sealing cap top inserts inside the draw-in groove piece simultaneously, and the grip block is lifted on through the spring and is stretched out from draw-in groove piece top, so far can accomplish the equipment between die-cut body and the clamp plate, and with the mode relative ratio with the screw fixation, this mode makes the installation to the die-cut body convenient and fast more, be favorable to improving work efficiency, and die-cut body top outer mouthful structural dimension is identical with standing groove inner mouth structural dimension and is favorable to improving the firm degree of being connected between die-cut body and the clamp plate, avoid the die-cut body to take place to rock.

5. This die-cut device of flexible printed circuit board when the die-cut body of change is dismantled to needs, only needs to press down the grip block and makes the spring shrink outwards pull out the fixture block again and can take off the sealing cap, and the die-cut body of this moment exposes only to pull out the die-cut body outward and can take off it to make things convenient for the later stage to maintain the die-cut body or change.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the die cutting chamber of the present invention with the internal portion rotated;

FIG. 3 is a schematic view of the structure of the rack of the present invention;

FIG. 4 is a schematic top view of the separator plate of the present invention;

FIG. 5 is a schematic view of the internal structure of the platen according to the present invention.

In the figure: 1. punching a platform; 2. a slide rail; 3. a slide plate; 4. placing a rack; 5. a telescopic rod; 6. a punching chamber; 7. a hydraulic cylinder; 8. a push rod; 9. a removable punch; 901. pressing a plate; 902. a placement groove; 903. a die cut body; 904. sealing the cap; 905. a slot clamping block; 906. a clamping block; 907. a spring; 908. a clamping block; 10. a fan; 11. a card slot; 12. a waste discharge port; 13. a drop port; 14. a waste collection tank; 1401. a material collecting box; 1402. a support member; 1403. a separation plate; 1404. the drawer is pulled out.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a technical solution: a punching device of a flexible printed circuit board comprises a punching platform 1, a placing frame 4 and a detachable punching piece 9, wherein the surface of the punching platform 1 is provided with a slide rail 2, a sliding plate 3 is arranged in the sliding rail 2, a placing frame 4 is fixed at the top of the sliding plate 3, one side of the sliding plate 3 is connected with a telescopic rod 5, the placing frame 4 forms a telescopic structure through the telescopic rod 5, the placing frame 4 forms a limiting structure through the sliding plate 3 and the sliding rail 2, moreover, the placing frame 4 and the sliding plate 3 are welded into an integral structure, the circuit board is placed in the placing frame 4, promote rack 4 through telescopic link 5 and slide until getting into die-cut 6 inside die-cut operations of accepting of room along 2 directions of slide rail, rack 4 slides along 2 insides of slide rail through the slide 3 of its bottom, is favorable to prescribing a limit to rack 4's moving direction, avoids taking place crooked to improve the accuracy when die-cut operation.

A punching chamber 6 is arranged on one side of the surface of a punching platform 1, a hydraulic cylinder 7 is fixed on the top of the punching chamber 6, a push rod 8 is connected with the bottom of the hydraulic cylinder 7, a detachable punching piece 9 is connected with the bottom of the push rod 8, the detachable punching piece 9 comprises a pressing plate 901, a placing groove 902, a punching piece body 903, a sealing cap 904, a clamping groove block 905, a clamping block 906, a spring 907 and a clamping block 908, the placing groove 902 is arranged in the pressing plate 901, the punching piece body 903 is arranged in the placing groove 902, the sealing cap 904 is arranged on one side of the pressing plate 901, the clamping groove block 905 is arranged on one side of the upper surface of the pressing plate 901, the clamping block 906 is inserted in the clamping groove block 905, the spring 907 is arranged in the clamping block 906, the clamping block 908 is connected with the top of the spring 907, the punching piece bodies 903 are symmetrically distributed about the vertical center, the side surface of the pressing plate 901 is attached to the sealing cap 904, the clamping block 908 forms a reset structure with the clamping block 906 through the spring 907, the clamping block 906 and the sealing cap 904 are in a welding integrated structure, the size of an outer opening structure of the clamping block 908 is matched with the size of an inner opening structure of the clamping groove block 905, the top end of the punching part body 903 is inserted into the placing groove 902, the sealing cap 904 is attached, the clamping block 906 on the top of the sealing cap 904 is inserted into the clamping groove block 905, the clamping block 908 extends out of the top of the clamping groove block 905 through the lifting of the spring 907, the assembly between the punching part body 903 and the pressing plate 901 can be completed, compared with the mode of fixing through screws, the mode enables the installation and installation of the punching part body 903 to be more convenient and rapid, is beneficial to improving the working efficiency, and the size of an outer opening structure on the top of the punching part body 903 is matched with the size of the inner opening structure of the placing groove 902 is beneficial to improving the connection stability, the die-cut part body 903 is prevented from shaking, when the die-cut part body 903 needs to be detached and replaced, the sealing cap 904 can be taken down only by pressing the clamping block 908 to enable the spring 907 to contract and then pulling the clamping block 906 outwards, and at the moment, the die-cut part body 903 is exposed and can be taken down only by pulling the die-cut part body 903 outwards, so that the die-cut part body 903 can be maintained or replaced conveniently in the later period;

fans 10 are arranged on two sides of the inner wall of the punching chamber 6, a clamping piece groove 11 is arranged on the surface of the placing frame 4, waste material discharging ports 12 are arranged on two sides of the bottom of the inner wall of the clamping piece groove 11, the fans 10 are symmetrically distributed about the vertical central line of the placing frame 4, the fans 10 are of an inclined structure, the placing frame 4 forms a limiting structure through the clamping piece groove 11, the inner wall of the waste material discharging port 12 is of an inclined surface, the waste material discharging port 12 and the dropping port 13 are distributed in a parallel shape, the size of an outer opening of the waste material discharging port 12 is smaller than that of an inner opening of the dropping port 13, a clamping piece groove 11 is arranged on the surface of the placing frame 4, the size of the inner opening of the clamping piece groove 11 is matched with that of a flexible printed circuit board to be cut, the flexible printed circuit board can be limited only by being placed inside the clamping piece groove 11, after the circuit board is punched, the rotation of the inclined fan 10 can blow off the scraps from the surface of the circuit board, so that the neatness of the punched circuit board and the inside of the card slot 11 can be ensured;

the surface of the punching platform 1 is provided with a dropping port 13, the bottom of the punching platform 1 is connected with a waste collecting box 14, the waste collecting box 14 comprises a collecting box 1401, a supporting member 1402, a separating plate 1403 and a drawing drawer 1404, the top of the inner wall of the collecting box 1401 is fixed with the supporting member 1402, the upper surface of the supporting member 1402 is provided with the separating plate 1403, the drawing drawer 1404 is arranged below the separating plate 1403, the size of the inner opening of the collecting box 1401 is larger than that of the inner opening of the punching chamber 6, the separating plate 1403 forms a supporting structure through the supporting member 1402 and the collecting box 1401, a sliding structure is formed between the separating plate 1403 and the collecting box 1401, the surface of the separating plate 1403 is in a grid structure, the outer surface of the drawing drawer 1404 is attached to the inner surface of the collecting box 1401, a sliding structure is formed between the drawing drawer 1404 and the collecting box 1401, and waste can pass through a waste discharging port 12 and the dropping port 13 until the, and great waste material then passes the waste material row mouth 12 of inner wall slope by oneself, drop mouthful 13 and fall in the separator 1403 surface, is favorable to guaranteeing the circuit board after the die-cut and the clean and tidy degree of 11 insides in card groove, and can classify and conclude the waste material through separator 1403, makes things convenient for later stage centralized processing, and the later stage can be taken out the waste material to outside pulling separator 1403 or pull steamer tray 1404.

In summary, when the punching device for the flexible printed circuit board is used, the flexible printed circuit board is firstly placed in the clamping piece groove 11 on the surface of the placing frame 4, the placing frame 4 is pushed to the inside of the punching chamber 6 through the telescopic rod 5 until the telescopic rod 5 extends to the limit, the placing frame 4 is positioned below the punching piece body 903 at the moment, the surface of the placing frame 4 is provided with a groove which is positioned right below the punching piece body 903, then the push rod 8 is pushed through the hydraulic cylinder 7 to enable the punching piece body 903 to be pressed downwards and inserted into the groove to complete punching operation on the circuit board, the punching piece body 903 is lifted through the hydraulic cylinder 7 after the punching operation is completed, meanwhile, the fan 10 is communicated with an external power supply to start rotating, the inclined fan 10 rotates to enable waste scraps to pass through the waste discharge port 12 and the falling port 13 until the waste scraps fall into the drawing drawer 1404, and larger waste scraps automatically pass through the waste, The falling port 13 falls on the surface of the separating plate 1403, which is beneficial to ensuring the cleanliness of the punched circuit board and the inside of the card slot 11, the waste materials can be classified and summarized through the separating plate 1403, so that later-stage centralized treatment is convenient, the waste materials can be taken out by pulling the separating plate 1403 or the pull drawer 1404 outwards in the later stage, then the placing frame 4 retracts through the telescopic rod 5 to carry the punched circuit board to exit the punching chamber 6 to wait for a worker to replace a circuit board to be punched, and finally when the punching part body 903 needs to be disassembled and replaced, the sealing cap 904 can be taken down by only pressing the clamping block 908 to retract the spring 907 and pulling the clamping block 906 outwards, at the moment, the punching part body 903 is exposed and can be taken down only by pulling the punching part body 903 outwards, so that the punching part body 903 is convenient to maintain or replace in the later stage, the telescopic rod 5 is TJC-C4-P-, the hydraulic cylinder 7 is MOB-50.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a die-cut device of flexible printed circuit board, includes die-cut platform (1), rack (4) and can dismantle die-cut piece (9), its characterized in that: the surface of the punching platform (1) is provided with a slide rail (2), a slide plate (3) is arranged in the slide rail (2), the placing frame (4) is fixed at the top of the slide plate (3), one side of the sliding plate (3) is connected with a telescopic rod (5), one side of the surface of the punching platform (1) is provided with a punching chamber (6), a hydraulic cylinder (7) is fixed at the top of the punching chamber (6), the bottom of the hydraulic cylinder (7) is connected with a push rod (8), the detachable punching part (9) is connected to the bottom of the push rod (8), fans (10) are arranged on two sides of the inner wall of the punching chamber (6), a clamping part groove (11) is formed in the surface of the placing frame (4), and waste material row mouth (12) have been seted up to fastener groove (11) inner wall bottom both sides, die-cut platform (1) surface has been seted up and has been dropped mouth (13), and die-cut platform (1) bottom is connected with waste material collection box (14).

2. A die-cutting device for a flexible printed circuit board according to claim 1, characterized in that: the rack (4) forms a telescopic structure through a telescopic rod (5), the rack (4) forms a limiting structure through a sliding plate (3) and a sliding rail (2), and a welding integrated structure is formed between the rack (4) and the sliding plate (3).

3. A die-cutting device for a flexible printed circuit board according to claim 1, characterized in that: the detachable punching part (9) comprises a pressing plate (901), a placing groove (902), a punching part body (903), a sealing cap (904), a clamping groove block (905), a clamping block (906), a spring (907) and a clamping block (908), wherein the placing groove (902) is formed in the pressing plate (901), the punching part body (903) is arranged in the placing groove (902), the sealing cap (904) is arranged on one side of the pressing plate (901), the clamping groove block (905) is arranged on one side of the upper surface of the pressing plate (901), the clamping block (906) is inserted into the clamping groove block (905), the spring (907) is arranged in the clamping block (906), and the clamping block (908) is connected to the top of the spring (907).

4. A die-cutting device for a flexible printed circuit board according to claim 3, characterized in that: the punching piece bodies (903) are symmetrically distributed about the vertical central line of the pressing plate (901), the structural size of an outer opening at the top of each punching piece body (903) is matched with that of an inner opening of the placing groove (902), and the side surface of the pressing plate (901) is attached to the sealing cap (904).

5. A die-cutting device for a flexible printed circuit board according to claim 3, characterized in that: the clamping block (908) forms a reset structure with the clamping block (906) through the spring (907), the clamping block (906) and the sealing cap (904) are in a welding integrated structure, and the size of an outer opening structure of the clamping block (908) is matched with that of an inner opening structure of the clamping groove block (905).

6. A die-cutting device for a flexible printed circuit board according to claim 1, characterized in that: the fans (10) are symmetrically distributed about a vertical central line of the placing frame (4), the fans (10) are of an inclined structure, and the placing frame (4) forms a limiting structure through the clamping piece grooves (11).

7. A die-cutting device for a flexible printed circuit board according to claim 1, characterized in that: waste material row mouth (12) inner wall is the inclined surface, and waste material row mouth (12) and drop and be parallel form between mouthful (13) and distribute, and the outer mouthful size of waste material row mouth (12) is less than the interior mouthful size of mouthful (13) that drops moreover.

8. A die-cutting device for a flexible printed circuit board according to claim 1, characterized in that: the waste collecting box (14) comprises a collecting box (1401), a supporting piece (1402), a separating plate (1403) and a drawing drawer (1404), the supporting piece (1402) is fixed to the top of the inner wall of the collecting box (1401), the separating plate (1403) is arranged on the upper surface of the supporting piece (1402), and the drawing drawer (1404) is arranged below the separating plate (1403).

9. A die-cutting device for a flexible printed circuit board according to claim 8, wherein: the size of the inner opening of the collecting box (1401) is larger than that of the inner opening of the punching chamber (6), the separating plate (1403) forms a supporting structure with the collecting box (1401) through the supporting piece (1402), a sliding structure is formed between the separating plate (1403) and the collecting box (1401), and the surface of the separating plate (1403) is of a grid-shaped structure.

10. A die-cutting device for a flexible printed circuit board according to claim 8, wherein: the outer surface of the drawing drawer (1404) is attached to the inner surface of the material collecting box (1401), and a sliding structure is formed between the drawing drawer (1404) and the material collecting box (1401).