CN216655976U

CN216655976U - Cutter and punching device

Info

Publication number: CN216655976U
Application number: CN202120491372.4U
Authority: CN
Inventors: 王勇; 吕志刚; 齐伟; 陈浩
Original assignee: Yantai Fu Precision Electronics Co ltd
Current assignee: Yantai Fu Precision Electronics Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2022-06-03
Anticipated expiration: 2031-03-08

Abstract

Embodiments of the present application provide a cutter for die-cut product, including the tool bit, the tool bit includes: the two plane portions are respectively connected to two ends of the inclined portion in the inclined direction, so that the two plane portions have a height difference. The utility model provides a cutter and die-cut device is through setting up the tool bit into rake and two plane portions, and two plane portions are connected respectively in the both ends of rake slope direction, make two plane portions have the difference in height, make the cutter when die-cut product, avoid the die-cut face and the waste material full contact of tool bit, and then avoid with die-cut waste material vacuum adsorption, promote the quality and the yield of die-cut product.

Description

Cutter and punching device

Technical Field

The application relates to the field of punching processing, in particular to a cutter and a punching device.

Background

In the punching production process, the head of the cutter is generally arranged to be a plane, so that vacuum adsorption is formed between the head of the punching cutter and the surface of the waste material during punching, the waste material is brought into a product structure or the surface of a die during return stroke of the punching cutter, waste material residue in a hole or poor product crushing is formed, and the yield of the product is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a cutting tool and a punching device, which can prevent the tool bit from being adsorbed on the surface of the product, and improve the yield of the product.

Embodiments of the present application provide a cutter for die-cut product, including the tool bit, the tool bit includes: the two plane portions are respectively connected to two ends of the inclined portion in the inclined direction, so that the two plane portions have a height difference.

Further, in some embodiments of the present application, the planar portion has a width of at least 1.0 mm.

Further, in some embodiments of the present application, with the width of the cutter L and the width of the planar portion K, K is 1.0mm to L/10 mm.

Further, in some embodiments of the present application, the height difference between the two planar portions is h, h is 1.2-1.5 t, and t is the punching thickness of the cutter.

The embodiment of this application still provides a die-cut device, including the stamping workpiece, die-cut device still includes the cutter, so the stamping workpiece is connected the cutter drives the cutter removes to die-cut the product.

Further, in some embodiments of the present application, the die-cutting device further includes a backing plate and a pressing plate for pressing the product against the backing plate to fix the position of the product.

Further, in some embodiments of the present application, a groove is formed on one side of the pressing plate facing the base plate, a protrusion is formed on one side of the base plate facing the pressing plate, and the protrusion is correspondingly formed in the groove to fix the position of the product.

Further, in some embodiments of the present application, the backing plate and the pressing plate are provided with corresponding through holes for the cutter to pass through for punching the product.

Further, in some embodiments of the present application, the channel shape is the same as the channel shape of the cross-section of the tool.

Further, in some embodiments of the present application, the two flat portions of the tool extend into the backing plate by a depth difference of at least 1 mm.

The utility model provides a cutter and die-cut device is through setting up the tool bit into rake and two plane portions, and two plane portions are connected respectively in the both ends of rake slope direction, make two plane portions have the difference in height, make the cutter when die-cut product, avoid the die-cut face and the waste material full contact of tool bit, and then avoid with die-cut waste material vacuum adsorption, promote the quality and the yield of die-cut product.

Drawings

Fig. 1 illustrates a schematic structural diagram of a die cutter in an embodiment.

Fig. 2 illustrates a schematic structural view of a cutter in one embodiment.

Figure 3 illustrates a schematic diagram of the die cutting apparatus in one embodiment.

Description of the main elements

Cutting tool 100

Cutting head 10

Inclined part 11

Plane part 12

Positioning mechanism 300

Through groove 300a

Backing plate 301

Pressure plate 302

Punching knife 200

Product 1000

The following specific examples will further illustrate the application in conjunction with the above figures.

Detailed Description

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

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

An embodiment of the application provides a cutter for die-cut product, including the tool bit, the tool bit includes: the flat display device includes an inclined portion and two flat portions connected to both ends of the inclined portion in an inclined direction, respectively, so that the two flat portions have a height difference.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, the tool bit of the stamping tool 200 shown in the figure is a planar structure, and during the stamping process, vacuum adsorption is formed between the head of the stamping tool and the surface of the waste material, so that the waste material is brought into the product structure during the return stroke of the stamping tool, the waste material remains in the hole after the stamping to cause abnormal reverse belt, which is not easy to detect, and there are significant potential quality hazards, and the waste material is brought to the surface of the mold during the return stroke of the stamping tool, which causes poor crushing of the subsequent product.

In order to solve the above problems, the present application provides a cutting tool, please refer to fig. 2, the cutting tool 100 includes a cutting head 10, the cutting head 10 includes an inclined portion 11 and two plane portions 12, the two plane portions 12 are respectively connected to two ends of the inclined portion 11 in an inclined direction, so that the two plane portions 12 have a height difference, when the cutting tool is used for punching a product, a punching surface of the cutting head 10 is prevented from being in full contact with a waste material, and further, vacuum adsorption with the punched waste material is prevented, and quality and yield of the punched product are improved.

In one embodiment, the inclination angle of the inclined portion 11 is 10 ° to 15 °, such as 10 °, 11 °, 12 °, 13 °, 14 °, 15 °. It is understood that the inclination angle of the inclined portion 11 is not limited to the above definition, but may be other angles such as 9 °, 16 °, and the like.

In one embodiment, the width of the planar portion 12 is at least 1mm, which not only ensures the cutting edge of the cutting head 10 to be sharp, but also prolongs the service life of the tool.

Referring to fig. 2, the width of the cutter 100 is L, and the width of the planar portion 12 is K, where K is 1.0mm to L/10 mm.

In one embodiment, the height difference of the planes of the two plane portions 12 is h, where h is 1.2 to 1.5t, and t is the punching thickness of the cutting tool 100.

Referring to fig. 3, the present application further provides a punching device, which includes a punching member (not shown), a cutter 100, and a positioning mechanism 300. The positioning mechanism 300 is used for fixing the position of the product 1000, and the stamping part is connected to the cutter 100 and used for driving the cutter head 10 of the cutter 100 to move towards the positioned product so as to die-cut the product 1000, and after the die-cutting is completed, the cutter 100 is driven to move towards the direction far away from the product, so that a die-cutting process is completed.

The positioning mechanism 300 comprises a base plate 301 and a pressing plate 302, wherein the base plate 301 is used for placing the product 1000, and the pressing plate 302 is connected to a moving member (not shown) and used for driving the pressing plate 302 to move towards the base plate 301 so as to position the product 1000 on the base plate 301 and further fix the position of the product 1000.

In an embodiment, a groove (not shown) is formed on a side of the pressing plate 302 facing the pad plate 301, and a protrusion (not shown) is formed on a side of the pad plate 301 facing the pressing plate 302, and the protrusion is correspondingly disposed in the groove, so that the pressing plate 302 is firmly pressed on the pad plate 301 to fix the position of the product.

In another embodiment, the backing plate 301 is further provided with positioning pins (not shown), and the pressing plate 302 is provided with corresponding positioning holes for stably connecting the backing plate 301 and the pressing plate 302.

It can be understood that the corresponding through grooves 300a are formed on the backing plate 301 and the pressing plate 302, and the through grooves 300a of the through grooves 300a are the same as the through grooves 300a of the cross section of the cutter 100, so that the cutter head 10 of the cutter 100 punches the product 1000 between the backing plate 301 and the pressing plate 302 through the through grooves 300a, and the punched waste material falls into the waste material groove from the through grooves 300a on the backing plate 301, thereby completing the punching.

In one embodiment, the two flat portions 12 extend into the backing plate 301 by a depth difference of at least 1mm when the insert 10 is die cut.

The utility model provides a cutter and die-cut device is through setting up the tool bit into rake and two plane portions, two plane portions connect respectively in the both ends of rake slope direction, make two plane portions have the difference in height, make the cutter when die-cut product, avoid the die-cut face and the waste material full contact of tool bit, and then avoid with die-cut waste material vacuum adsorption, promote the quality and the yield of die-cut product, and can effectively reduce the blanking force in the twinkling of an eye when the cutter is die-cut, appear the fracture when avoiding the product to be die-cut, collapse risks such as lacking.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not used as limitations of the present application, and that suitable modifications and variations of the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.

Claims

1. A cutter for punching products comprises a cutter head and is characterized in that,

the cutter head includes:

an inclined portion; and

and two plane parts respectively connected to two ends of the inclined part in the inclined direction, so that the two plane parts have a height difference.

2. The tool according to claim 1, wherein the width of the flat portion is at least 1.0 mm.

3. The tool according to claim 1, wherein, assuming that the width of the tool is L and the width of the flat portion is K, K is 1.0mm to L/10 mm.

4. The tool according to claim 1, wherein the height difference between the two plane portions is h, h is 1.2-1.5 t, and t is the punching thickness of the tool.

5. A blanking unit comprising a stamping, wherein the blanking unit further comprises a knife according to any of claims 1 to 4, such that the stamping is connected to the knife for moving the knife to blank a product.

6. The apparatus of claim 5, further comprising a backing plate and a pressure plate for holding the product against the backing plate to fix the position of the product.

7. The apparatus according to claim 6, wherein the pressure plate has a recess on a side facing the pad, and the pad has a protrusion on a side facing the pressure plate, the protrusion being correspondingly disposed in the recess to fix the position of the product.

8. A device according to claim 6, wherein the pad and the pressure plate are provided with corresponding through slots for the passage of the knife for cutting the product.

9. The apparatus of claim 8, wherein the channel shape is the same as the channel shape of the cross-section of the cutter.

10. A blanking unit as claimed in claim 6, wherein the two flat portions of the blade extend into the backing plate by a difference of at least 1 mm.