CN209937110U

CN209937110U - Cutting die and cutting die assembly

Info

Publication number: CN209937110U
Application number: CN201920345190.9U
Authority: CN
Inventors: 易东风; 李明雄; 叶伟
Original assignee: Shenzhen Yi Ti Polytron Technologies Inc
Current assignee: Shenzhen Yi Ti Polytron Technologies Inc
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-01-14
Anticipated expiration: 2029-03-19

Abstract

The utility model is suitable for the technical field of punching equipment, and provides a cutting die and a cutting die assembly, wherein the cutting die is provided with a first surface and a second surface which are oppositely arranged along the punching direction, and the cutting die is provided with at least one exhaust hole which is arranged along the punching direction in an extending way and penetrates through the first surface and the second surface; the cutting die assembly comprises an upper die plate and a lower die plate which are arranged oppositely, and a cutting die which is arranged on one side of the upper die plate close to the lower die plate, wherein the first surface of the cutting die is arranged opposite to the lower surface of the upper die plate. In the punching operation, after the material of the cutting die is punched, in the process of lifting the cutting die, because at least one exhaust hole is formed in the cutting die, gas is generated at the same time, so that the pressure intensity of an inner cavity of the cutting die is greater than the pressure intensity of the outer side, and the material cannot lift along with the cutting die; meanwhile, if the cutting die is made of a material with glue, the cutting die is prevented from being stuck on the cutting die; in addition, when the cutter is lowered, gas in the cutter cavity flows out through the vent hole, so that the pressure on materials is reduced, and defective products are reduced.

Description

Cutting die and cutting die assembly

Technical Field

The utility model relates to a die-cut equipment technical field, in particular to cutting die and cutting die subassembly.

Background

With the continuous and rapid development of the electronic industry, especially the continuous expansion of the range of consumer electronic products, the die cutting not only limits the later period of the printed matter, but also is a production process of auxiliary materials of industrial electronic products. Die cutting is often applied to: electroacoustic, medical care, display sign, safety protection, transportation, office supplies, electronic power, communication, industrial manufacturing, family leisure and other industries. When the die cutting process is applied to products such as Mobile phones, MID (Mobile Internet Devices), digital cameras, automobiles, LCDs (Liquid Crystal displays), LEDs (Light Emitting diodes), FPCs (Flexible Printed circuits), FFCs (Flexible Flat cables), and RFIDs (Radio Frequency Identification), the die cutting process is gradually used for bonding, dust prevention, shock prevention, insulation, shielding, and the like of the above products. The die cutting material used for processing includes rubber, single/double-sided tape, foam, plastic, vinyl, silicon, metal thin tape, metal sheet, optical film, protective film, gauze, hot melt adhesive tape, silica gel, etc. The precision requirement of the cutting die is guaranteed in the die cutting production due to the fact that the precision requirement of products is higher and higher, but when the cutting die is used for punching, due to the fact that the hollow-out design is adopted in the middle of the cutting die, in the lifting process of the cutting die, the external pressure is larger than the internal pressure, the cutting die sucks materials together, if the materials are materials with glue, the cutting die can be glued, and finally defective products are produced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting die aims at solving present cutting die and can together inhale the material and can make the technical problem of viscose on the cutting die lifting process.

The utility model discloses a realize like this, a cutting die, the cutting die has along the relative first surface and the second surface that sets up of die-cut direction, at least one exhaust hole has been seted up on the cutting die, the exhaust hole is followed die-cut direction is extended and is set up and run through first surface and second surface.

In an embodiment of the present invention, at least one of the exhaust holes is arranged along a circumferential direction of the cutting die.

In an embodiment of the present invention, the cross section of the cutting die is square, and the four corners of the cutting die are respectively provided with one of the exhaust holes.

In an embodiment of the present invention, the cross section of the exhaust hole is circular.

In an embodiment of the present invention, the cross section of the exhaust hole is polygonal.

In an embodiment of the present invention, the first surface and the second surface are horizontal planes perpendicular to the punching direction.

Another object of the utility model is to provide a cutting die subassembly, its cope match-plate pattern and the lower bolster including relative setting, and install in the cope match-plate pattern is close to one side of lower bolster and as above the cutting die, the first surface of cutting die with the lower surface of cope match-plate pattern sets up relatively.

In an embodiment of the present invention, the cutting die is mounted on the upper die plate by a fastener.

In an embodiment of the present invention, a gap is provided between the first surface of the cutting die and the lower surface of the upper die plate.

In an embodiment of the present invention, the first surface of the cutting die is closely attached to the lower surface of the upper mold plate, and the upper mold plate has at least one through hole, and the through hole is in one-to-one correspondence with the exhaust hole and is communicated with the exhaust hole.

Implement the utility model discloses a cutting die has following beneficial effect: in the punching operation, after the material of the cutting die is punched, in the process of lifting the cutting die, because at least one vent hole is formed in the cutting die, the vent hole extends along the punching direction and penetrates through the first surface and the second surface of the cutting die, gas can be simultaneously generated at the moment, so that the pressure intensity of an inner cavity of the cutting die is greater than the pressure intensity of the outer side, and the material cannot lift along with the cutting die; meanwhile, if the cutting die is made of a material with glue, the cutting die is prevented from being stuck on the cutting die; in addition, when the cutter is lowered, gas in the cutter cavity flows out through the vent hole, so that the pressure on materials is reduced, and defective products are reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cutting die according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a main view of the cutting die assembly after the cutting die and the upper die plate are assembled.

Reference numerals referred to in the above figures are detailed below:

10-cutting die; 11-an exhaust hole; and 20, upper template.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

The utility model discloses a cutting die, produced area when it can solve die-cut sticky material glues and absorbs the material problem, can reduce the frequency of clean cutting die, also can promote the product quality yield.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1, an embodiment of the present invention provides a cutting die 10, the cutting die 10 has a first surface (not shown) and a second surface (not shown) opposite to each other along a punching direction, the cutting die 10 is provided with at least one exhaust hole 11, and the exhaust hole 11 extends along the punching direction and penetrates through the first surface and the second surface. In a specific application, the vent hole 11 penetrates through the cutting die 10 in the thickness direction of the cutting die 10, and the punching direction refers to the moving direction of the cutting die 10 during punching, and generally refers to the vertical direction.

In the cutting die 10 of the embodiment of the present invention, after the cutting die material is cut, in the process of the lifting of the cutting die 10, because at least one exhaust hole 11 is formed in the cutting die 10, the exhaust hole 11 extends along the cutting direction and runs through the first surface and the second surface of the cutting die 10, at this time, gas is generated simultaneously, so that the pressure intensity of the inner cavity of the cutting die 10 is greater than the outside pressure intensity, and the material cannot lift along with the cutting die 10; meanwhile, if the cutting die is made of a material with glue, the cutting die is prevented from being stuck on the cutting die 10; in addition, when the cutter is fed, the gas in the cutter cavity flows out through the exhaust hole 11, so that the pressure on the material is reduced, and the defective products are reduced.

In an embodiment of the present invention, at least one exhaust hole 11 is arranged along the circumferential direction of the cutting die 10 to make the exhaust more uniform. Specifically, at least one exhaust hole 11 is disposed at an edge of the cutting die 10 in a circumferential direction of the cutting die 10. In a specific application, the specific size of the vent hole 11 can be selected according to actual needs, such as determined according to the cutting speed of the cutting die 10, which is not limited herein.

It is understood that, in other embodiments of the present invention, at least one exhaust hole 11 may be uniformly arranged on the first surface and the second surface of the cutting die 10, for example, when one exhaust hole 11 is opened on the cutting die 10, the one exhaust hole 11 may be opened at a central region of the first surface and the second surface of the cutting die 10.

In an embodiment of the present invention, the cross section of the cutting die 10 is substantially square, and four exhaust holes 11 are respectively opened at four corners of the cutting die 10, that is, four exhaust holes 11 are opened on the cutting die 10. In the present embodiment, the exhaust holes 11 are formed at four corners of the cutting die 10, so that the exhaust is more uniform. In a specific application, the four exhaust holes 11 may have the same size, or different sizes may be selected according to actual situations, and preferably the same size of the exhaust holes 11 is selected, so as to simplify the processing process and save the production cost.

It is understood that in other embodiments of the present invention, the cross section of the cutting die 10 may have other shapes than square, such as circle, triangle, or pentagon, and accordingly, the number of the exhaust holes 11 on the cutting die 10 is changed along with the change of the shape. The cross-sectional shape of the cutting die 10 is determined mainly by the shape required for punching the material.

The utility model discloses an in the embodiment, the cross section of exhaust hole 11 is circular, and wherein, circular processing of being convenient for can simplify processing technology, practices thrift manufacturing cost.

In another embodiment of the present invention, the cross section of the exhaust hole 11 is polygonal. Specifically, the cross section of the exhaust hole 11 may be triangular, quadrangular, pentagonal, or the like. When the cross section of the exhaust hole 11 is polygonal, the cross section may be a regular polygon or an irregular polygon, preferably a regular polygon, to facilitate processing.

In an embodiment of the present invention, the first surface and the second surface of the cutting die 10 are parallel to each other, and the first surface and the second surface of the cutting die 10 are horizontal planes perpendicular to the punching direction. In the present embodiment, the cutting die 10 is a plate, and is horizontally disposed, and the upper surface of the cutting die is a first surface, the lower surface of the cutting die is a second surface, and the first surface and the second surface are both flat surfaces, so as to facilitate the cutting of the material, and the cutting die can be adapted to all the flat cutting dies 10.

Based on the same concept, the embodiment of the present invention further provides a cutting die assembly, which includes an upper template 20 and a lower template (not shown) that are arranged oppositely, and a cutting die 10 that is installed on one side of the upper template 20 close to the lower template and is as described in any one of the above embodiments. In the present embodiment, the upper and

lower templates

20 and 20 are parallel to each other, and the upper template 20 and the cutting die 10 can move up and down together to cut the material on the lower template. In addition, the first surface of the cutting die 10 is disposed opposite to the lower surface of the upper mold plate 20. In a specific application, a groove matched with the cutting die 10 can be formed on the surface of one side of the lower die plate close to the cutting die 10 so as to facilitate punching.

In one embodiment of the present invention, the cutting die 10 is mounted to the upper die plate 20 by fasteners (not shown), including but not limited to screws or the like. Specifically, mounting holes are respectively formed in the upper die plate 20 and the cutting die 10, and one end of the fastener is fixed in the mounting hole of the cutting die 10 after penetrating through the mounting hole of the upper die plate 20. In a specific application, the cutting die 10 is installed at a central region of the upper mold plate 20.

In an embodiment of the present invention, there is a gap between the cutting die 10 and the upper mold plate 20, that is, there is a gap between the first surface of the cutting die 10 and the lower surface of the upper mold plate 20, and at this time, the exhaust hole 11 on the cutting die 10 communicates with the gap, so as to facilitate the exhaust. In a specific application, the size of the gap may be selected according to actual needs, and is not limited herein.

In another embodiment of the present invention, the cutting die 10 and the upper mold plate 20 are disposed closely, i.e. there is no gap between the cutting die 10 and the upper mold plate 20, i.e. the first surface of the cutting die 10 and the lower surface of the upper mold plate 20 are disposed closely. At this time, in order to facilitate the exhaust, at least one through hole is formed in the upper mold plate 20, the at least one through hole corresponds to the exhaust holes 11 one to one and is communicated with each other, and the through hole penetrates through the upper mold plate 20 along the punching direction, that is, the through hole penetrates through the upper mold plate 20 along the thickness direction of the upper mold plate 20. Preferably, the size of the through-hole is the same as the size of the corresponding exhaust hole 11.

The above description is only an alternative embodiment of the present invention, and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cutting die, its characterized in that, the cutting die has along the relative first surface and the second surface that sets up of die-cut direction, seted up at least one exhaust hole on the cutting die, the exhaust hole along die-cut direction extension setting and run through first surface and second surface.

2. The cutting die of claim 1, wherein at least one of the vent holes is arranged along a circumferential direction of the cutting die.

3. The cutting die of claim 1, wherein the cross section of the cutting die is square, and the four corners of the cutting die are respectively provided with one exhaust hole.

4. The cutting die of claim 1, wherein the vent holes are circular in cross-section.

5. The cutting die of claim 1, wherein the vent hole has a polygonal cross-section.

6. The cutting die of any one of claims 1 to 5, wherein the first surface and the second surface are both horizontal planes perpendicular to the cutting direction.

7. A cutting die assembly, characterized by comprising an upper die plate and a lower die plate which are arranged oppositely, and the cutting die which is arranged on one side of the upper die plate close to the lower die plate and is provided with any one of claims 1 to 6, wherein the first surface of the cutting die is arranged opposite to the lower surface of the upper die plate.

8. The cutting die assembly of claim 7, wherein the cutting die is mounted to the upper die plate by fasteners.

9. The cutting die assembly of claim 7, wherein a gap is provided between the first surface of the cutting die and the lower surface of the upper die plate.

10. The cutting die assembly of claim 7, wherein the first surface of the cutting die is closely attached to the lower surface of the upper die plate, the upper die plate is provided with at least one through hole, and the through holes are in one-to-one correspondence with the exhaust holes and are communicated with each other.