CN217802128U

CN217802128U - Universal cutting die for flexible circuit board

Info

Publication number: CN217802128U
Application number: CN202221840669.8U
Authority: CN
Inventors: 张进; 杨勇
Original assignee: Xiamen G&p Electronics Co ltd
Current assignee: Pizhou Epson Electronic Technology Co.,Ltd.
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-15
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to a flexible circuit board cuts material technical field, especially relates to a flexible circuit board general purpose cutting die, including base, knife rest and mounting, be equipped with the blade on the knife rest, be equipped with two guide parts on the base, the both ends of knife rest along blade length direction are connected with two guide parts in a detachable mode respectively, the guide part is used for leading the removal of knife rest along blade thickness direction, the mounting is used for fixing the knife rest on the base; the base is provided with scales used for indicating the position of the blade relative to the base along the thickness direction of the blade. The flexible circuit board universal cutting die is simple in structure and easy to use, products with different sizes can be cut by increasing or decreasing the number of the knife rests and adjusting the positions of the knife rests, so that the number of the required cutting dies is greatly reduced, the storage space is saved, and the management difficulty and cost are reduced. In addition, if the blade or the base is damaged, only the damaged part needs to be replaced, and waste is reduced.

Description

Universal cutting die for flexible circuit board

Technical Field

The utility model relates to a flexible circuit board cuts material technical field, especially relates to a flexible circuit board general purpose cutting die.

Background

A Flexible Printed Circuit (FPC) is a Printed Circuit board made of polyimide or polyester film as a base material, and has the characteristics of high wiring density, light weight, thin thickness, and good bending property. In the production process of flexible circuit board, it is usually necessary to cut a large PNL (Panel) sheet into several smaller SET sheets by a knife die.

As shown in fig. 1, in the conventional cutting die, a blade 1 is fixed on a wooden base 2, and the blade 1 is fixed on the wooden base 2 and then is not detachable and adjustable. Different product sizes are different, and for accurate die-cut, just need open respectively according to the product size of difference and found the cutting die. Over time, various cutting dies are stacked in a storehouse, a large amount of space is occupied, and management is difficult. In addition, the whole cutting die needs to be opened again when the wood base 2 or the blade 1 is damaged, and waste is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a flexible circuit board general purpose cutting die.

Specifically, the technical scheme of the utility model is:

a universal cutting die for a flexible circuit board comprises a base, a tool rest and a fixing piece, wherein the tool rest is provided with a blade, the base is provided with two guide parts, two ends of the tool rest along the length direction of the blade are respectively connected with the two guide parts in a detachable mode, the guide parts are used for guiding the movement of the tool rest along the thickness direction of the blade, and the fixing piece is used for fixing the tool rest on the base; the base is provided with scales which are used for indicating the position of the blade relative to the base along the thickness direction of the blade.

Preferably, the two ends of the knife rest are respectively provided with a fixing rod, the guide part is a through hole penetrating through the base along the height direction of the blade, the fixing part is a nut, the fixing rod penetrates through the base through the guide part and is in threaded connection with the nut, and the nut and the knife rest clamp the base tightly, so that the knife rest is fixed on the base.

Preferably, the base is provided with two groups of scales, and the two groups of scales are respectively close to the two guide parts.

Preferably, the flexible circuit board universal cutting die further comprises a positioning nail, and the positioning nail is detachably connected with the base and used for positioning the circuit board.

Preferably, the base is provided with a plurality of slots, and the positioning nails are inserted into the slots.

Preferably, the flexible circuit board universal cutting die is a metal cutting die.

The utility model has the advantages of:

the utility model provides a flexible circuit board general purpose cutting die simple structure, easy to use, quantity through the increase and decrease knife rest and the position of adjusting the knife rest, can cut out not unidimensional product, therefore, the quantity of the required cutting die that has significantly reduced has practiced thrift the storage space, has reduced the management degree of difficulty and cost. In addition, if the blade or the base is damaged, only the damaged part needs to be replaced, and waste is reduced.

Drawings

FIG. 1 is a top view of a prior art cutting die;

FIG. 2 is a top view of the universal cutting die for flexible printed circuit boards of the present invention;

FIG. 3 is a cross-sectional view of the universal cutting die for the flexible printed circuit board shown in FIG. 2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In an embodiment, as shown in fig. 2 to 3, the utility model provides a universal cutting die for flexible circuit boards includes a base 3, a knife rest 4 and a fixing member 5, a blade 6 is arranged on the knife rest 4, two guiding portions 31 are arranged on the base 3, two ends of the knife rest 4 along the length direction i of the blade 6 are respectively connected with the two guiding portions 31 in a detachable manner, the guiding portions 31 are used for guiding the movement of the knife rest 4 along the thickness direction j of the blade 6, and the fixing member 5 is used for fixing the knife rest 4 on the base 3; the base 3 is provided with a scale 32, and the scale 32 is used for indicating the position of the blade 6 relative to the base 3 along the thickness direction j of the blade 6. The quantity of knife rest 4 increases and decreases according to the actual production demand, and the position is adjusted according to the actual production demand, and in fig. 2, base 3 facial make-up is equipped with two knife rests 4.

The flexible circuit board universal cutting die is simple in structure and easy to use, products of different sizes can be cut by increasing or decreasing the number of the knife rests 4 and adjusting the positions of the knife rests 4, accordingly, the number of the required cutting dies is greatly reduced, the storage space is saved, the management difficulty and cost are reduced, the time spent on opening and erecting the cutting dies is saved, and the production efficiency is improved. In addition, if the blade 6 or the base 3 is damaged, only the damaged part needs to be replaced, and waste is reduced.

As shown in fig. 3, in the present embodiment, the fixing rods 41 are respectively disposed at two ends of the blade holder 4, the guiding portion 31 is a through hole penetrating through the base 3 along the height direction k of the blade 6, the fixing member 5 is a nut, the fixing rod 41 penetrates through the base through the guiding portion 31 to be in threaded connection with the nut, and the nut and the blade holder 4 clamp the base 3, so that the blade holder 4 is fixed on the base 3, and the structure is simple and convenient to use. In other embodiments, the guide portion 31 and the fixing member 5 may have different structures from those of the present embodiment, and the tool holder 4 may be fixed to the base 3.

As shown in fig. 2, in the present embodiment, two sets of scales 32 are provided on the base 3, and the two sets of scales 32 are respectively disposed close to the two guiding portions 31, so as to prevent an error in the direction of the blade 6 caused by improper fixing of the blade holder 4. In other embodiments, errors in the orientation of the blade 6 due to improper seating of the cartridge 4 can also be prevented by improving the accuracy of the fit between the base 3 and the cartridge 4.

In this embodiment, the universal cutting die for flexible circuit boards further comprises a positioning pin (not shown) which is detachably connected with the base 3 for positioning the circuit board. The positioning nail can be detached, so that the flexible circuit board universal cutting die can be matched with different circuit boards.

As shown in fig. 2, in this embodiment, the base 3 is provided with a plurality of slots 33, and the positioning nails are inserted into the slots 33, so that the positions of the positioning nails can be adjusted according to the positions of the positioning holes on the circuit board, which is convenient to use and has good versatility.

In the embodiment, the universal cutting die for the flexible circuit board is a metal cutting die, and is high in precision and good in durability. In other embodiments, the universal cutting die for the flexible printed circuit board can also be a wood cutting die or a plastic cutting die.

The foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. It should be understood that any modification, equivalent replacement, or improvement made by those skilled in the art after reading the present specification shall fall within the scope of the present invention.

Claims

1. The utility model provides a flexible circuit board general purpose cutting die which characterized in that: the cutting tool comprises a base, a tool rest and a fixing piece, wherein the tool rest is provided with a blade, the base is provided with two guide parts, two ends of the tool rest along the length direction of the blade are respectively connected with the two guide parts in a detachable mode, the guide parts are used for guiding the movement of the tool rest along the thickness direction of the blade, and the fixing piece is used for fixing the tool rest on the base; the base is provided with scales used for indicating the position of the blade relative to the base along the thickness direction of the blade.

2. The flexible circuit board universal cutting die of claim 1, wherein: the fixing part is a nut, the fixing rod penetrates through the base through the guide part and is in threaded connection with the nut, and the nut and the tool rest clamp the base tightly, so that the tool rest is fixed on the base.

3. The universal cutting die for flexible circuit boards of claim 2, wherein: the base is provided with two groups of scales, and the two groups of scales are respectively close to the two guide parts.

4. The universal cutting die for flexible circuit boards of claim 1, wherein: still include the location nail, the location nail is connected with the base with detachable mode for fix a position the circuit board.

5. The universal knife block of flexible circuit board of claim 4, wherein: the base is provided with a plurality of slots, and the positioning nails are inserted into the slots.

6. The universal cutting die for flexible circuit boards of claim 1, wherein: the flexible circuit board universal cutting die is a metal cutting die.