CN211278532U

CN211278532U - Slitting cutter and slitting device comprising same

Info

Publication number: CN211278532U
Application number: CN201922308251.7U
Authority: CN
Inventors: 胡凌飞; 李雪华; 王奇; 周卫东
Original assignee: Ningde Amperex Technology Ltd
Current assignee: Ningde Amperex Technology Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-18
Anticipated expiration: 2029-12-20

Abstract

The application discloses cut cutter includes: the first cutter is provided with a first blade part; the second cutter is provided with a second blade part, a first supporting part and a groove; the first blade part and the second blade part are arranged oppositely and can be abutted; the first supporting part is connected with the second blade part and is used for providing support; the groove is located on one side, away from the second blade, of the first supporting portion. In the cutting device and the cutting tool, the groove is arranged at the end part of the second cutter, the first supporting part is formed at the joint of the second cutter part, when the workpiece is cut at the first cutter part and the second cutter part, the workpiece is supported by the first supporting part, the workpiece cannot shake, the groove enables the first cutter and the second cutter not to extrude the workpiece, the cutting workpiece cannot generate burrs, and the cutting quality is high. The application also discloses a cutting device containing the cutting tool.

Description

Slitting cutter and slitting device comprising same

Technical Field

The application relates to a slitting cutter and a slitting device.

Background

In the prior art, a slitting cutter is adopted to cut a workpiece with a sheet structure, and the slitting cutter is generally a combination of two single-sided sharp knives 301, as shown in fig. 1A; or the slitting knife is a combination of a single-sided sharp knife 301 and a flat knife 303, as shown in fig. 1B. When the two single-sided sharp knives 301 cut the workpiece, the tool tip of the single-sided sharp knife 301 at the position to be cut of the workpiece shakes, and burrs extending to one side which is approximately parallel to the workpiece are easy to appear after the workpiece is cut; when the single-sided sharp knife 301 and the flat knife 303 cut a workpiece, the workpiece is deformed by being pressed by the flat knife 303 to cut the workpiece, and burrs extending to a side substantially perpendicular to the workpiece are likely to occur after the workpiece is cut. When burrs occur, the installation of the cutting tool needs to be adjusted, the burrs of the cut workpiece are tested continuously, the formal production can be started only when the requirements are met, the labor cost is increased, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a slitting tool to solve the above problems.

The application provides a cutter cuts, include:

the first cutter is provided with a first blade part;

the second cutter is provided with a second blade part, a first supporting part and a groove;

the first blade part and the second blade part are arranged oppositely and can be abutted;

the first supporting part is connected with the second blade part and is used for providing support;

the groove is located on one side, deviating from the second blade, of the first supporting portion.

According to some embodiments of the present application, the second cutter is further provided with a second support and a third edge adapted to the first edge;

the second supporting part is arranged on one side of the groove, which is far away from the first supporting part, and is used for providing support;

the third blade part is arranged on one side of the second supporting part, which deviates from the groove.

According to some embodiments of the present application, the second blade and the third blade are symmetrically disposed on the second cutter.

According to some embodiments of the application, the number of the grooves is one, and the grooves are of a symmetrical structure.

According to some embodiments of the present application, the number of the grooves is plural, and the plural grooves are symmetrically arranged on the second cutting knife.

According to some embodiments of the present application, the first edge portion comprises a first facet and a second facet;

the first blade surface is used for being abutted against the second blade part;

the second edge surface is intersected with the first edge surface and is positioned on the position, away from the second edge part, of the first edge surface.

According to some embodiments of the present application, the groove is an arc-shaped groove, a V-shaped groove, a trapezoidal groove, or a groove structure formed by arranging a plurality of the arc-shaped grooves, the V-shaped grooves and/or the trapezoidal groove array.

According to some embodiments of the present application, the first cutter and the second cutter rotate about two parallel axes, respectively.

According to some embodiments of the present application, the diameters of the first and second blades are equal.

The application also provides a slitting device which comprises a first main shaft, a second main shaft and the slitting cutter;

the first main shaft and the second main shaft are arranged in parallel;

the first cutter is arranged on the first main shaft, and the first main shaft is used for driving the first cutter to rotate;

the second cutter is arranged on the second main shaft, and the second main shaft is used for driving the second cutter to rotate.

In the cutter was cut to the aforesaid device of cutting and the aforesaid, through the tip of second cutter sets up the recess, and with the department that meets of second cutting part forms first supporting part, first cutting part with the second cutting part cuts during the work piece, first supporting part supports the work piece, the work piece can not produce the shake, and the recess makes first cutter and second cutter can not extrude the work piece cuts the work piece can not produce the burr, and the cutting quality is high.

Drawings

Fig. 1A is a schematic structural diagram of a slitting tool in the prior art.

Fig. 1B is a schematic structural diagram of another slitting tool in the prior art.

Fig. 2 is a schematic structural view of a slitting tool according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a slitting tool according to another embodiment of the present application.

Fig. 4 is a schematic structural view of a slitting tool according to yet another embodiment of the present application.

Figure 5 is a schematic structural view of a slitting device according to an embodiment of the present application.

Description of the main elements

Slitting cutter 100, 100 ', 100'

First cutter 10

First blade 11

First facet 111

Second facet 113

Second cutter 20, 20 ', 20'

Second blade 21

First support part 23

Recesses

25, 25'

Second support part 27

Third blade part 29

Slitting device 200

First spindle 201

Second main shaft 203

Support 205

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

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 herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Some embodiments of the present application provide a slitting tool, including:

the first cutter is provided with a first blade part;

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 2, an embodiment of the present application provides a cutting tool 100 for cutting a workpiece (not shown) having a sheet-like structure. The workpiece is a pole piece, but is not limited thereto. For example, in other embodiments, the workpiece may also be cloth, paper sheet, or the like.

The slitting tool 100 comprises a first cutter 10 and a second cutter 20 which are oppositely arranged. The first cutter 10 is provided with a first blade portion 11. The second cutter 20 is provided with a second blade portion 21, a first support portion 23, and a groove 25. The first blade part 11 and the second blade part 21 are oppositely arranged and can be abutted, and the first blade part 11 moves relative to the second blade part 21 to cut the workpiece. The first support portion 23 is in contact with the second blade portion 21 and extends to a side away from the first blade portion 11. Specifically, the first support portion 23 is perpendicular to the second blade portion 21, but is not limited thereto. The first support portion 23 is used for supporting the workpiece when the workpiece is cut. The groove 25 is located on a side of the first supporting portion 23 facing away from the second blade portion 21. The groove 25 is formed by partially recessing the end surface of the second cutter 20 to be lower than the first support part 23.

The first cutter 10 is a sharp-edged structure. Specifically, the first edge portion 11 includes a first edge surface 111 and a second edge surface 113. The first blade surface 111 is used to abut against the second blade portion 21. The second edge surface 113 intersects with the first edge surface 111 and is located on a side of the first edge surface 111 facing away from the second edge portion 21. The first blade surface 111, the second blade surface 113, and the second blade portion 21 participate in cutting the workpiece.

The end face of the second cutter 20 is provided with a groove 25 to form a first supporting part 23, the first supporting part 23 provides support for a workpiece, and when the slitting cutter 100 cuts the workpiece, the workpiece cannot shake or burrs extending to one side along a direction approximately parallel to the workpiece do not occur.

The concave groove 25 prevents the second edge 21 of the second blade 20 and the first edge 11 of the first blade 10 from being deformed by pressure when cutting a workpiece, and prevents burrs from being formed on a side substantially perpendicular to the workpiece. And the groove 25 ensures that the heat dissipation effect is good when the workpiece is cut, and the dust generated by cutting the workpiece is easy to discharge.

The second cutter 20 is further provided with a second support portion 27 and a third blade portion 29. The third edge portion 29 is adapted to the first edge portion 11 to enable cutting of the workpiece. The second supporting portion 27 is disposed on a side of the groove 25 away from the first supporting portion 23, and is used for supporting the workpiece. The third blade portion 29 is disposed on a side of the second support portion 27 away from the groove 25. The third edge part 29 can cut the workpiece with the first edge part 11, so that both sides of the second cutter 20 can be used for cutting, and the service life of the slitting tool 100 is prolonged.

The second blade 21 and the third blade 29 are symmetrically disposed on the second cutter 20, but are not limited thereto. The number of the grooves 25 is one. The groove 25 is a V-shaped groove and has a symmetrical structure, but is not limited thereto.

In other embodiments, the groove 25 may also be an arc-shaped groove, or a groove structure formed by arranging a plurality of arc-shaped grooves and/or the V-shaped groove array. The number of the grooves 25 is not limited as long as the grooves 25 are connected to the first support part 23 or the second support part 27.

For example, referring to fig. 3, in another embodiment of the slitting tool 100 ', the second cutter 20' has substantially the same structure as the second cutter 20 of the slitting tool 100, except that: the number of the grooves 25' is two. The two grooves 25 'are spaced apart from each other on the end surface of the second cutting blade 20, and the two grooves 25' are symmetrically disposed on the second cutting blade 20, but not limited thereto. One of the grooves 25 'is connected to the first support portion 23 and the other groove 25' is connected to the second support portion 27.

Referring to fig. 4, in the slitting tool 100 ″ of the further embodiment, the second cutter 20 ″ is substantially the same as the second cutter 20 of the slitting tool 100, except that: the groove 25' is an arc-shaped groove which is approximately in a U-shaped groove structure and is convenient to clean.

Referring to fig. 5, the first cutter 10 and the second cutter 20 rotate around two parallel axes, respectively. The diameters of the first blade portion 11 and the second blade portion 21 are equal to ensure that the first cutter 10 and the second cutter 20 cut the workpiece synchronously, but not limited thereto. It is understood that in other embodiments, the diameters of the first blade portion 11 and the second blade portion 21 may not be equal, and the diameter ratio of the first blade portion 11 and the second blade portion 21 is equal to the inverse ratio of the rotation speeds of the two corresponding parallel shafts, so as to ensure that the first blade portion 11 and the second blade portion 21 cut the workpiece synchronously.

It is understood that in other embodiments, the first cutting knife 10 and the second cutting knife 20 can be moved towards each other to cut the workpiece.

Referring to fig. 5, a cutting device 200 is further provided according to an embodiment of the present application. The slitting device 200 comprises a first spindle 201, a second spindle 203 and a slitting tool 100 "'. The slitting knife 100 "' has substantially the same structure as the slitting knife 100, except that: the recess 25 "'of the second cutter 20"' is a trapezoidal groove. The first spindle 201 and the second spindle 203 are arranged in parallel. The first cutter 10 is disposed on the first spindle 201. The first main shaft 201 is used for driving the first cutter 10 to rotate. The second cutter 20 "' is disposed on the second spindle 203. The second spindle 203 is used for driving the second cutter 20' ″ to rotate.

The slitting device 200 also comprises a support 205. The supporting member 205 is disposed on the second main shaft 203 and rotates synchronously with the second cutter 20' ″. The support 205 is used to support the cut-off portion of the workpiece. It is understood that in other embodiments, the support 205 may be omitted.

In the aforesaid cutting device 200 and the aforesaid cutter 100 of cutting, through the tip of second cutter 20 sets up recess 25, and with second cutting portion 21 department of meeting forms first supporting part 23, at first cutting portion 11 with second cutting portion 21 cuts during the work piece, first supporting part 23 supports work piece, work piece can not produce the shake, and recess 25 makes first cutter 10 and second cutter 20 can not extrude the work piece cuts the work piece and can not produce the burr, and the cutting quality is high.

Although the present application has been described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present application.

Claims

1. A slitting cutter, comprising:

the first cutter is provided with a first blade part;

2. The slitting tool as claimed in claim 1, characterized in that: the second cutter is also provided with a second supporting part and a third edge part matched with the first edge part;

3. The slitting tool as claimed in claim 2, characterized in that: the second cutting edge part and the third cutting edge part are symmetrically arranged on the second cutter.

4. The slitting tool as claimed in claim 2, characterized in that: the number of the grooves is one, and the grooves are of a symmetrical structure.

5. The slitting tool as claimed in claim 2, characterized in that: the number of the grooves is multiple, and the grooves are symmetrically arranged on the second cutter.

6. The slitting tool as claimed in claim 1, characterized in that: the first edge part comprises a first edge surface and a second edge surface;

7. The slitting tool as claimed in claim 1, characterized in that: the groove is an arc-shaped groove, a V-shaped groove, a trapezoid groove or a groove structure formed by arranging a plurality of arc-shaped grooves, V-shaped grooves and/or trapezoid groove arrays.

8. The slitting tool as claimed in claim 1, characterized in that: the first cutter and the second cutter rotate around two parallel shafts respectively.

9. The slitting tool as claimed in claim 8, characterized in that: the first edge and the second edge have equal diameters.

10. A slitting device which characterized in that: comprising a first spindle, a second spindle and a slitting tool as claimed in any one of claims 1 to 9;

the first main shaft and the second main shaft are arranged in parallel;