CN222712359U - A high-efficiency flexible circuit board trimming die - Google Patents

Abstract

The utility model discloses a high-efficiency flexible circuit board trimming die, comprising an upper die and a lower die, a trimming knife is arranged on the bottom end of the upper die, a spring is arranged at each corner of the bottom end of the upper die, a same pressing plate is connected to the bottom ends of a plurality of springs, a first notch is arranged on the pressing plate, the first notch corresponds to the trimming knife, a second notch is arranged on the lower die, the second notch corresponds to the first notch and the trimming knife, a first sliding groove is arranged on the top end of the upper die, a bidirectional screw is rotatably installed in the first sliding groove, in the utility model, the upper die is pressed down and connected with the spring so that the pressing plate presses down the flexible circuit board between the two first positioning rods and the second positioning rods, the upper die that is continuously pressed down drives the trimming knife to press down and cut the corners of the flexible circuit board, compared with the prior art, the flexible circuit board is trimmed by pressing down, the structure is simple, the operation is convenient, and the trimming efficiency is greatly improved.

Description

High efficiency flexible line way board cut off die

Technical Field

The utility model relates to the technical field of trimming processing of flexible circuit boards, in particular to a high-efficiency trimming die for a flexible circuit board.

Background

The invention discloses a CN108687865A, which relates to the technical field of flexible circuit board attachment devices, in particular to a flexible circuit board edge cutting device, which can enable a flexible circuit board to be well transported and conveyed on edge cutting rollers, prevent two sides from tilting, can be well pressed and attached, improve edge cutting effect and use reliability, can simultaneously cut two sides of a flexible circuit board, can adjust cutting positions and reduce use limitation, comprises a top plate, an electric cylinder, a reinforcing block, a left side plate, a right side plate, a bottom plate, edge cutting rollers, an edge cutting motor, a left support block, a right support block, a left support plate and a right support plate, comprises a left rotating shaft, a right rotating shaft, a left guide roller, a right guide roller, a left locking screw and a right locking screw, and further comprises two groups of left locking nuts, two groups of right locking nuts, a left circular knife, a right circular knife, a left adjusting screw rod, a right adjusting mounting block, a left motor and a right motor, wherein the top end of the mounting block is connected with the bottom output end of the electric cylinder.

This prior art structure is complicated, and the operation is comparatively inconvenient, leads to flexible line way board side cut inefficiency, consequently needs a high efficiency flexible line way board cut off die to satisfy people's demand.

Disclosure of utility model

The utility model aims to provide a high-efficiency flexible circuit board trimming die for solving the problems in the background technology.

The technical scheme is that the trimming die for the high-efficiency flexible circuit board comprises an upper die and a lower die, a trimming cutter is arranged at the bottom end of the upper die, springs are arranged at each corner of the bottom end of the upper die, a plurality of springs are connected to the bottom end of the same pressing plate, a first notch is formed in the pressing plate, the first notch corresponds to the trimming cutter, a second notch is formed in the lower die, the second notch corresponds to the first notch and the trimming cutter, a first sliding groove is formed in the top end of the upper die, a bidirectional screw is rotatably mounted in the first sliding groove, a first hand wheel is connected to one end of the bidirectional screw, a first sliding block and a second sliding block are connected to the bidirectional screw in a threaded mode, first positioning rods are connected to the first sliding block and the second sliding block in a parallel mode, a second sliding groove is formed in the top end of the lower die, a unidirectional screw is rotatably mounted in the second sliding groove, a second hand wheel is connected to one end of the unidirectional screw, a third sliding block is rotatably connected to the unidirectional screw, a second positioning rod is connected to the third sliding block, and the second positioning rod is perpendicular to the second positioning rod.

Preferably, each corner at the top end of the lower die is provided with a guide rod, and the pressing plate and the upper die are slidably provided with a plurality of guide rods.

Preferably, the bottom end height of the pressing plate is lower than the bottom end height of the edge cutting knife.

Preferably, a rubber plate is arranged at the bottom end of the pressing plate and is positioned right above the first positioning rod and the second positioning rod.

Preferably, a waste tank is arranged on one side of the lower die, is obliquely distributed from the outer side to the inner side of the lower die from bottom to top, and is communicated with the second notch.

Preferably, the cross sections of the first sliding groove and the second sliding groove are convex, and the first sliding block, the second sliding block and the third sliding block are convex correspondingly.

Preferably, a plurality of rollers are rotatably mounted in one side of the two first positioning rods, which are close to each other.

The beneficial effects of the utility model are as follows:

According to the utility model, the upper die is pressed down, and the flexible circuit board positioned between the two first positioning rods and the second positioning rods is pressed down by the connection of the springs, and the continuously pressed upper die drives the trimming knife to press down to trim the corner of the flexible circuit board.

According to the utility model, the first sliding block and the second sliding block synchronously move relatively through the rotation of the bidirectional screw, so that the two first positioning rods can laterally position flexible circuit boards with different specifications, the uniformity of cut side edges is ensured, and the third sliding block can move through the rotation of the unidirectional screw, thereby realizing the adjustment of the cutting length of the flexible circuit boards.

Drawings

Fig. 1 is a schematic structural diagram of a trimming die for a high-efficiency flexible circuit board according to the present utility model;

Fig. 2 is a schematic diagram of a front view cross-section structure of a trimming die for a high-efficiency flexible circuit board according to the present utility model;

Fig. 3 is a schematic side view of a first chute of a trimming die for a high-efficiency flexible circuit board according to the present utility model;

Fig. 4 is a schematic diagram of a front view cross-section structure of a guide rod of a trimming die for a high-efficiency flexible circuit board according to the present utility model.

In the figure, 1, an upper die; 2, a lower die, 3, a trimming cutter, 4, a spring, 5, a pressing plate, 6, a first notch, 7, a second notch, 8, a first chute, 9, a bidirectional screw rod, 10, a first hand wheel, 11, a first slide block, 12, a second slide block, 13, a first positioning rod, 14, a second chute, 15, a unidirectional screw rod, 16, a second hand wheel, 17, a third slide block, 18, a second positioning rod, 19, a guide rod, 20, a rubber plate, 21, a waste chute, 22 and a roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a high efficiency flexible circuit board trimming die, including last mould 1 and lower mould 2, be provided with side cut sword 3 on the bottom of going up mould 1, every corner department of going up mould 1 bottom all is provided with spring 4, be connected with same clamp plate 5 on the bottom of a plurality of spring 4, first notch 6 has been seted up on clamp plate 5, first notch 6 corresponds each other with side cut sword 3, second notch 7 has been seted up on the lower mould 2, second notch 7 corresponds with first notch 6 and side cut sword 3, first spout 8 has been seted up on the top of going up mould 1, two-way screw 9 are installed to first spout 8 internal rotation, be connected with first hand wheel 10 on the one end of two-way screw 9, threaded connection has first slider 11 and second slider 12 on the two-way screw 9 respectively, all be connected with first locating lever 13 on first slider 11 and the second slider 12, first locating lever 13 distributes each other in parallel, second spout 14 has been seted up on the top of lower mould 2, one-way screw 15 is installed to one-way screw 15 in the second spout 14 rotation, one-way screw 15 is connected with first locating lever 16 on the one-way screw 15, second locating lever 17 is located between the two-way screw 13 and the third locating lever 13 is located on the one-way screw 17.

The flexible circuit board is placed on the lower die 2, the first hand wheel 10 is rotated, the first sliding block 11 and the second sliding block 12 are enabled to move relatively, the two first positioning rods 13 are respectively in contact with two sides of the flexible circuit board, lateral positioning is achieved, the second hand wheel 16 is rotated, the third sliding block 17 drives the second positioning rod 18 to move and is in contact with the other vertical side of the flexible circuit board, a part, extending out of the second notch 7, of the flexible circuit board in the rotation process is a side to be cut, the upper die 1 is fixed on a hydraulic device, the hydraulic device is driven, the upper die 1 is enabled to press downwards, the pressing plate 5 is firstly in contact with the flexible circuit board, the upper die 1 which is continuously pressed downwards enables the spring 4 to compress, the trimming cutter 3 penetrates through the first notch 6 and cuts off the side after being in contact with the flexible circuit board, and therefore trimming operation of the flexible circuit board is completed, when the flexible circuit board with the same specification is required to be trimmed, the flexible circuit board is inserted from the two first positioning rods 13 until the perpendicular side is in contact with the second positioning rod 18, and the flexible circuit board after trimming is unified.

Specifically, in this embodiment, a guide rod 19 is disposed at each corner of the top end of the lower die 2, and the pressing plate 5 and the upper die 1 are slidably mounted on a plurality of guide rods 19, so as to provide accurate positioning for the trimming blade 3, the first notch 6 and the second notch 7.

Specifically, in this embodiment, the bottom end of the pressing plate 5 is lower than the bottom end of the trimming blade 3, and when the flexible circuit board is replaced in the house, the trimming blade 3 is touched by mistake to cause personnel injury.

Specifically, in this embodiment, the bottom end of the pressing plate 5 is provided with the rubber plate 20, the rubber plate 20 is located right above the first positioning rod 13 and the second positioning rod 18, and the elasticity of the rubber plate 20 can press the flexible circuit board lower than the height of the first positioning rod 13 and the second positioning rod 18.

Specifically, in this embodiment, a waste tank 21 is formed on one side of the lower die 2, the waste tank 21 is obliquely distributed from the outer side to the inner side of the lower die 2 from bottom to top and is communicated with the second notch 7, and the waste tank 21 can discharge the cut scraps from the second notch 7.

Specifically, in this embodiment, the cross sections of the first chute 8 and the second chute 14 are convex, and the first slider 11, the second slider 12 and the third slider 17 are convex, so that a stable sliding space is provided for the first slider 11, the second slider 12 and the third slider 17, and the gap on the lower die 2 is reduced, so that the flexible circuit board is prevented from collapsing at the gap, and the error of the trimming dimension is caused.

Specifically, in this embodiment, a plurality of rollers 22 are rotatably installed in the side where the two first positioning rods 13 are close to each other, so that the flexible circuit board is conveniently inserted into and taken out of the two first positioning rods 13 located at the second notch 7.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (7)

1. A high-efficiency flexible circuit board trimming die comprises an upper die (1) and a lower die (2), and is characterized in that a trimming cutter (3) is arranged at the bottom end of the upper die (1), springs (4) are arranged at each corner of the bottom end of the upper die (1), a plurality of springs (4) are connected with a same pressing plate (5) at the bottom end, a first notch (6) is formed in the pressing plate (5), the first notch (6) and the trimming cutter (3) correspond to each other, a second notch (7) is formed in the lower die (2), the second notch (7) corresponds to the first notch (6) and the trimming cutter (3), a first sliding groove (8) is formed in the top end of the upper die (1), a bidirectional screw (9) is rotatably mounted at one end of the first sliding groove (8), a first hand wheel (10) is connected with a first sliding block (11) and a second sliding block (12) in a threaded mode respectively, a second notch (7) is formed in the first sliding block (11) and the second sliding block (12), a positioning rod (13) is connected with the first sliding groove (12), a second sliding groove (14) is formed in the top end of the upper die (1), a second sliding groove (14) is rotatably mounted at the second sliding groove (13), one end of the unidirectional screw rod (15) is connected with a second hand wheel (16), the unidirectional screw rod (15) is connected with a third sliding block (17) in a threaded mode, the third sliding block (17) is connected with a second positioning rod (18), and the second positioning rod (18) is located between the two first positioning rods (13) and is vertically distributed with the first positioning rods (13).

2. The trimming die for the high-efficiency flexible circuit board, as claimed in claim 1, is characterized in that each corner of the top end of the lower die (2) is provided with a guide rod (19), and the pressing plate (5) and the upper die (1) are slidably provided with a plurality of guide rods (19).

3. A high efficiency flexible circuit board trimming die as defined in claim 1, wherein the bottom end height of said pressing plate (5) is lower than the bottom end height of the trimming blade (3).

4. The high-efficiency flexible circuit board trimming die as claimed in claim 1, wherein a rubber plate (20) is arranged at the bottom end of the pressing plate (5), and the rubber plate (20) is positioned right above the first positioning rod (13) and the second positioning rod (18).

5. The trimming die for the high-efficiency flexible circuit board, as set forth in claim 1, characterized in that a waste tank (21) is formed on one side of the lower die (2), and the waste tank (21) is obliquely distributed from the outer side to the inner side of the lower die (2) from bottom to top and is communicated with the second notch (7).

6. The trimming die for the high-efficiency flexible circuit board according to claim 1, wherein the cross sections of the first sliding groove (8) and the second sliding groove (14) are convex, and the first sliding block (11), the second sliding block (12) and the third sliding block (17) are convex correspondingly.

7. A high efficiency flexible circuit board trimming die as set forth in claim 1, wherein a plurality of rollers (22) are rotatably mounted in each of said first positioning bars (13) on a side thereof adjacent to each other.