CN110814423A

CN110814423A - Cutting knife device with replaceable cutting edge

Info

Publication number: CN110814423A
Application number: CN201911177985.4A
Authority: CN
Inventors: 张文; 李根雨; 安奎明; 朴成镇; 张龙
Original assignee: Lingpa New Energy Technology Shanghai Co Ltd; Shanxi Konos New Energy Technology Co Ltd; Hunan Xinminya New Energy Technology Co Ltd; Sichuan Xinminya Battery Technology Co Ltd
Current assignee: Hunan Lingpai Energy Storage Technology Co ltd; Hunan Lingpai New Energy Research Institute Co ltd; Hunan Lingpai New Energy Technology Co Ltd; Hengyang Lingpai New Energy Technology Co Ltd; Hunan Lead Power Dazhi Technology Inc
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-02-21

Abstract

The cutter dividing device with the replaceable cutting edge comprises a cutter dividing piece and a clamp, wherein the cutter dividing piece comprises a cutter body and a cutting edge, the cutter body is of a plate-shaped structure, and the cutter dividing device is installed through the cutter body; the cutting edge is of a plate-shaped structure with a disc-shaped outer contour and is configured to cut a target object, the cutting edge comprises an inner hole, and the cutting edge is sleeved outside the cutter body through the inner hole; the clamp is used for connecting the knife body and the knife edge. When the cutter is replaced, the cutter body is not required to be detached only by detaching the clamp, the cutter edge can be replaced, the position of the cutter splitting device is not required to be adjusted after the cutter edge is replaced, and replacement time is saved.

Description

Cutting knife device with replaceable cutting edge

Technical Field

The utility model relates to a battery pole piece cuts the field, especially relates to a divide cutters of removable cutting edge.

Background

In the manufacturing process of the pole piece of the battery, particularly in the manufacturing process of the pole piece of the lithium battery, the pole piece of the battery is often required to be cut, and the current cutter dividing and cutting device is mainly divided into a disc cutter and an electronic cutter. The disc slitting knife has good stability, but the slitting knife is inconvenient to replace, the whole mounting mechanism and the gap adjusting mechanism need to be dismounted for replacement, and the position of the slitting knife needs to be adjusted again after the slitting knife is replaced every time, so that the time for replacing the slitting knife is long; the electronic knife has the advantage of convenient disassembly and replacement, but the slitting stability is relatively poor.

In order to solve the problems that the cutting knife is inconvenient to replace and poor in cutting stability, a cutting knife device with good cutting stability and replaceable cutting edges is needed.

Disclosure of Invention

The technical problem that this application technical scheme will solve is that the branch cutter is changed inconveniently, is cut poor stability etc..

For solving above-mentioned technical problem, the application provides a branch cutters of removable cutting edge, adopt and cut the good disc of stability and divide the cutter, divide the cutter to divide into blade and cutting edge two parts, will divide cutters to install on cutting equipment through the centre gripping blade, cutting edge and blade pass through the anchor clamps detachably of both sides and connect in all, only need dismantle anchor clamps during the change and need not to dismantle the blade, alright change the cutting edge, and need not to adjust the position of dividing cutters again after changing the cutting edge, the change time has been practiced thrift.

The cutter dividing device with the replaceable cutting edge comprises a cutter dividing piece and a clamp, wherein the cutter dividing piece comprises a cutter body and a cutting edge, the cutter body is of a plate-shaped structure, and the cutter dividing device is installed through the cutter body; the cutting edge is of a plate-shaped structure with a disc-shaped outer contour and is configured to cut a target object, the cutting edge comprises an inner hole, and the cutting edge is sleeved outside the cutter body through the inner hole; the clamp is used for connecting the knife body and the knife edge.

In some embodiments, the blade body comprises at least one first positioning groove distributed on the edge of the outer contour of the blade body; the cutting edge comprises at least one second positioning groove which is distributed on the edge of the inner hole and is matched with the at least one first positioning groove to form at least one first positioning hole.

In some embodiments, the fixture comprises positioning cover plates and at least one positioning pin, the positioning cover plates are distributed on two sides of the cutting knife and comprise at least one second positioning hole which is circumferentially arranged around the positioning cover plates, and the circumference of the distribution of the at least one second positioning hole is the same as that of the distribution of the at least one first positioning hole; the at least one positioning pin penetrates through the at least one first positioning hole and the at least one second positioning hole, and the cutter body, the cutter blade and the positioning cover plate are axially fixed through threaded connection.

In some embodiments, the positioning pin comprises a positioning part and a connecting part, the positioning part is matched with the first positioning hole and the second positioning hole, and the cross section of the positioning part and the cross sections of the first positioning hole and the second positioning hole are matched; the connecting part is provided with external threads, and is matched with a nut to axially fix the knife body, the cutting edge and the positioning cover plate.

In some embodiments, the positioning portion is quadrilateral in cross-section.

In some embodiments, the blade body comprises a plurality of flanges distributed at the edge of the outer contour of the blade body and spaced apart from the at least one first positioning groove; the cutting edge includes a plurality of recesses disposed about the edge of the bore for engaging the plurality of flanges.

In some embodiments, the flange is triangular.

In some embodiments, the at least one first locating hole is uniformly arranged in the circumferential direction.

In some embodiments, the middle portion of the knife body is provided with a mounting hole which is concentric with the knife body.

In some embodiments, a through hole is formed in the middle of the positioning cover plate, and the through hole is concentric with the mounting hole, wherein the diameter of the through hole is larger than that of the mounting hole.

According to the technical scheme, the cutter device is divided into the blade and the cutting edge, the cutting edge and the blade are detachably connected with each other through the clamps on the two sides, the cutter device is installed on the slitting equipment through the clamping blade, the blade does not need to be detached when the cutter device is replaced, the cutting edge can be replaced, the position of the cutter device does not need to be adjusted after the cutting edge is replaced, and replacement time is saved.

Other functions of the present application will be partially set forth in the following description. The contents of the following figures and examples will be apparent to those of ordinary skill in the art in view of this description. The inventive aspects of this application can be fully explained by the practice or use of the methods, apparatus and combinations described in the detailed examples below.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a slitting knife device according to an embodiment of the present application;

FIG. 2a is a schematic structural diagram of a cutting blade according to various embodiments of the present disclosure;

FIG. 2b is a schematic structural diagram of a cutting blade according to various embodiments of the present disclosure;

FIG. 2c is a schematic diagram of a cutting blade according to various embodiments of the present disclosure;

FIG. 3a is a schematic view of a blade according to various embodiments of the present disclosure;

FIG. 3b is a schematic view of a blade according to various embodiments of the present disclosure;

FIG. 3c is a schematic view of a blade according to various embodiments of the present disclosure;

FIG. 4a is a schematic view of a blade according to various embodiments of the present disclosure;

FIG. 4b is a schematic view of a blade according to various embodiments of the present disclosure;

FIG. 4c is a schematic view of a blade according to various embodiments of the present disclosure;

FIG. 5 is a cross-sectional view taken along direction A of FIG. 1;

FIG. 6a is a schematic structural diagram of a positioning cover plate according to various embodiments of the present disclosure;

FIG. 6b is a schematic diagram of a positioning cover according to various embodiments of the present disclosure;

FIG. 6c is a schematic diagram of a positioning cover according to various embodiments of the present disclosure;

FIG. 7a is a schematic structural view of a locating pin provided herein according to various embodiments;

FIG. 7b is a schematic structural diagram of a locating pin provided herein according to various embodiments.

Detailed Description

The following description is presented to enable any person skilled in the art to make and use the present disclosure, and is provided in the context of a particular application and its requirements. Various local modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present disclosure. Thus, the present disclosure is not to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. For example, as used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," and/or "including," when used in this specification, are intended to specify the presence of stated integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The term "A on B" as used in this specification means that A is either directly adjacent (above or below) B or indirectly adjacent (i.e., separated by some material) to B; the term "A within B" means that A is either entirely within B or partially within B.

These and other features of the present disclosure, as well as the operation and function of the related elements of the structure, and the combination of parts and economies of manufacture, may be particularly improved upon in view of the following description. All of which form a part of the present disclosure, with reference to the accompanying drawings. It is to be expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the disclosure. It should also be understood that the drawings are not drawn to scale.

The present application provides a cutting knife device 100 with replaceable cutting edges. The slitting knife assembly 100 can be used to slit various film-like products, such as battery sheets, capacitor paper, aluminum foil, metal films, and even motion picture film, computer tape, and magnetic tape. The slitting knife device 100 performs a slitting action on the target object through a rotating motion. The target object may be a battery plate, capacitor paper, aluminum foil, metal film, even a motion picture film, computer tape, magnetic tape, and the like. The slitting knife device 100 may have a center of rotation 101 when rotated. Fig. 1 shows a schematic structural diagram of a cutting knife device 100 according to an embodiment of the present application. As shown in fig. 1, the slitting knife device 100 may include a slitting knife 110 and a jig 160.

Fig. 2a shows a schematic structural diagram of a cutting blade 110a according to various embodiments of the present disclosure, and the cutting blade 110a may be applied to the cutting blade device 100. Fig. 2b is a schematic structural diagram of a cutting blade 110b according to various embodiments of the present disclosure, and the cutting blade 110b may be applied to the cutting blade device 100. Fig. 2c is a schematic structural diagram of a cutting blade 110c according to various embodiments of the present disclosure, and the cutting blade 110c may be applied to the cutting blade device 100. As shown in fig. 2a, 2b and 2c, the cutting blade 110 may include a blade 120 and a blade 140. The blade body 120 and the blade 140 are detachably coupled together. The attachment portion of blade 120 matches the attachment portion of blade 140.

The cutter body 120 is a plate-shaped structure, the slitting knife device 100 can be mounted on the slitting equipment through the cutter body 110, and the cutter body 110 can be used as a clamping position when the slitting knife device 100 is mounted. The outer contour of the blade 120 may be a circular disc, or may be other shapes, such as a quadrangle, or even other polygons, such as a pentagon. The outer profile of blade 120 may have a center of rotation. The rotation center of the blade 120 is the rotation center 101 of the slitting knife device 100. The middle portion of the blade body 120 may be provided with a mounting hole 123. The blade body 120 may include at least one first positioning groove 125. In some embodiments, the blade body 120 may also include a plurality of flanges 127. The mounting holes 123 may be configured as mounting holes of the slitting knife device 100 for mounting with the slitting apparatus. The mounting hole 123 may be circular, or may be other shapes, such as a quadrilateral, or even other polygons, such as a pentagon. The mounting hole 123 matches the shape of the rotating shaft of the slitting device. The mounting hole 123 has a center of rotation. The rotation center of the mounting hole 123 may be the rotation center 101 of the slitting cutter device 100. That is, the mounting hole 123 has the same center of rotation as the blade body 120. The at least one first positioning groove 125 may be distributed at an edge of the outer contour of the blade body 120. The first positioning groove 125 may be polygonal, and may have other shapes, such as a semi-circle, a triangle, or even other polygonal shapes. The number of the first positioning grooves 125 may be 1, 2, 3, 4, or a plurality thereof. A plurality of flanges 127 may be disposed at the edge of the outer profile of the blade body 120 and spaced from the first positioning groove 125. In some embodiments, the flange 127 may be triangular in shape, but may also be other shapes, such as semi-circular, oval, polygonal, and the like. The number of the flanges 127 may be 1, 2, 3, 4, or a plurality thereof. The first positioning groove 125 or the flange 127 may be uniformly or non-uniformly arranged along the outer contour of the blade body 120.

Fig. 3a shows a schematic structural diagram of a blade 120a provided by the present application according to various embodiments. The blade body 120a may be applied to the cutting blade 110 a. As shown in fig. 3a, the first positioning groove 125a of the blade 120a has a rectangular shape, and the number thereof is 4. The flange 127a of the blade body 120a is triangular in shape and 4 in number. The first positioning groove 125a is spaced apart from the flange 127 a.

Fig. 3b shows a schematic structural diagram of a blade 120b provided in the present application according to various embodiments. The blade 120b may be applied to the cutting blade 110 b. As shown in fig. 3b, the first positioning grooves 125b of the blade body 120b have a rectangular shape, and the number thereof is 2. The flange 127b of the blade body 120b has a semicircular shape, and the number thereof is 4. The first positioning groove 125b is spaced apart from the flange 127 b.

Fig. 3c shows a schematic structural view of a blade 120c provided by the present application according to various embodiments. The blade 120c may be applied to the cutting blade 110 c. As shown in fig. 3c, the first positioning groove 125c of the blade body 120c has a semicircular shape, and the number thereof is 4. The flange 127c of the blade body 120c has an irregular polygonal shape, and the number thereof is 2. The first positioning groove 125c is spaced apart from the flange 127 c.

The blade 140 is configured to be able to cut the target object. The blade 140 has a plate-like structure, and the outer contour of the blade 140 is a circular disk. The blade 140 has a center of rotation, and the center of rotation of the blade 140 is the center of rotation 101 of the slitting knife device 100. The blade 140 may include an inner bore 141 and may also include at least one second detent 145. In some embodiments, blade edge 140 may also include a plurality of grooves 147. The internal bore 141 is fittable to the outer profile of the blade body 120. The cutting edge 140 can be fitted on the outer contour of the blade 120 through the inner hole 141. The inner hole 141 may be a circular disk, or may be another shape, such as a quadrilateral, or even another polygon such as a pentagon. The shape of the inner bore 141 matches the shape of the outer profile of the blade body 120. The inner hole 141 has a rotation center, and the rotation center of the inner hole 141 is the rotation center 101 of the slitting cutter device. At least one second positioning groove 145 may be distributed at the edge of the inner hole 141. The second positioning groove 145 may have a polygonal shape, and may have other shapes, such as a semicircular shape, a triangular shape, and even other polygonal shapes. The number of the second positioning grooves 145 may be 1, 2, 3, 4, or a plurality of them. The at least one second detent 145 may mate with the at least one first detent 125 to form at least one first detent aperture 154. The shape of the first positioning hole 154 may be a quadrangle, and may also be other shapes, such as a circle, a polygon, and the like. As shown in fig. 2a, the first positioning holes 154a have a quadrangular shape and 4 in number. As shown in fig. 2b, the first positioning holes 154b have a quadrangular shape, and the number thereof is 2. As shown in fig. 2c, the first positioning holes 154c have a circular shape and 4 in number. The at least one first positioning hole 154 may be uniformly arranged in a circumferential direction centering on the rotation center 101, or may be non-uniformly arranged. A plurality of recesses 147 may be distributed about the edge of the bore 141 for engaging the plurality of flanges 127. As shown in fig. 2a, 2b and 2c, the groove 147 is fittable with the flange 127. The shape of the recess 147 matches the shape of the flange 127. The recesses 147 may be triangular in shape, or may be other shapes, such as semi-circular, oval, polygonal, etc. The number of the grooves 147 may be 1, 2, 3, 4, or more, of course. The grooves 147 may or may not be uniformly arranged circumferentially along the edge of the bore 141.

Fig. 4a shows a schematic structural diagram of a blade 140a according to various embodiments of the present application. The cutting edge 140a may be applied to the cutting blade 110 a. As shown in fig. 4a, the second positioning grooves 145a of the blades 140a have a rectangular shape, and the number thereof is 4. The grooves 147a of the blade 140a are triangular in shape and 4 in number. The second positioning groove 145a is spaced apart from the groove 147 a.

Fig. 4b shows a schematic structural diagram of a blade 140b provided in the present application according to various embodiments. The cutting edge 140b may be applied to the slitting blade 110 b. As shown in fig. 4b, the second positioning grooves 145b of the blade 140b are rectangular in shape and 2 in number. The grooves 147b of the blade 140b are semicircular in shape and 4 in number. The second positioning groove 145b is spaced apart from the groove 147 b.

Fig. 4c shows a schematic structural diagram of a blade 140c provided by the present application according to various embodiments. The cutting edge 140c may be applied to the cutting blade 110 c. As shown in fig. 4c, the second positioning grooves 145c of the blades 140c have a semicircular shape, and the number thereof is 4. The grooves 147c of the blade 140c are irregular polygons in number of 2. The second positioning groove 145c is spaced apart from the groove 147 c.

Therefore, the cutting knife device 100 with the replaceable cutting edge provided by the application only needs to detach the cutting edge 140 from the knife body 120 when the cutting knife 110 is replaced, and does not need to detach the whole cutting knife 110, so that the cutting knife 110 does not need to be clamped again and the gap is adjusted, the operation is simple, and the replacement time is saved.

A clamp 160 may be used to connect blade 120 and blade 140. Fig. 5 shows a cross-sectional view in the direction a of fig. 1. As shown in fig. 5, the fixture 160 may include a locating cover plate 162 and at least one locating pin 170. The number of the positioning cover plates 162 is 2, and the positioning cover plates are respectively distributed on two sides of the cutting knife 110. At least one positioning pin 170 passes through the positioning cover plate 162 and the cutting blade 110, and the positioning cover plate 162 and the cutting blade 110 are connected together by a nut 172.

The positioning cover 162 may include a through hole 163. The through hole 163 is provided in the middle of the positioning cover 162. The through hole 163 has a center of rotation. The rotation center of the through hole 163 is the rotation center 101 of the slitting knife device 100. The through hole 163 has the same rotation center as the mounting hole 123. The diameter of the through hole 163 is larger than that of the mounting hole 123. The slitting device can pass through the through-hole 163 to secure the blade 120 to the slitting device. The through hole 163 may be circular, or may be other shapes, such as a quadrangle, or even other polygons, such as a pentagon.

The positioning cover 162 may also include at least one second positioning hole 164 (not shown in fig. 5). The shape of the second positioning hole 164 may be a quadrangle, and may also be other shapes, such as a circle, a polygon, and so on. The number of the second positioning holes 164 may be 1, 2, 3, 4, or multiple. The at least one second positioning hole 164 may be uniformly or non-uniformly arranged circumferentially around the positioning cover plate 162 along a circle centered on the rotation center 101. The at least one second alignment hole 164 is disposed on the same circumference as the at least one first alignment hole 154. The shape of the second alignment aperture 164 matches the shape of the first alignment aperture 154.

Fig. 6a is a schematic structural diagram illustrating a positioning cover plate 162a according to various embodiments of the present disclosure, wherein the positioning cover plate 162a may be assembled with the cutting blade 110 a. As shown in fig. 6a, the second positioning hole 164a of the positioning cover 162a has a quadrangular shape to match the first positioning hole 154 a. The number of the second positioning holes 164a is 4, and is circumferentially arranged around the positioning cover plate 162 a.

Fig. 6b shows a schematic structural diagram of a positioning cover plate 162b according to various embodiments of the present application, where the positioning cover plate 162b may be assembled with the cutting blade 110 b. As shown in fig. 6b, the second positioning hole 164b of the positioning cover 162b has a quadrangular shape to match the first positioning hole 154 b. The second positioning holes 164b are 2 in number and are circumferentially arranged around the positioning cover plate 162 b.

Fig. 6c shows a schematic structural diagram of a positioning cover plate 162c provided in the present application according to various embodiments, and the positioning cover plate 162c may be assembled with the cutting blade 110 c. As shown in fig. 6c, the second positioning hole 164c of the positioning cover plate 162c is circular in shape and matches with the first positioning hole 154 c. The number of the second positioning holes 164c is 4, and is circumferentially arranged around the positioning cover plate 162 c.

As shown in fig. 5, at least one positioning pin 170 may pass through at least one first positioning hole 154 (not shown in fig. 5) and at least one second positioning hole 164 (not shown in fig. 5) and axially fix the blade body 120, the blade 140, and the positioning cap 162 by a threaded connection. The number of the positioning pins 170 may be 1, 2, 3, 4, or multiple pins. The positioning pin 170 may include a positioning portion 174 and a connecting portion 176. The positioning portion 174 is fittable with the first positioning hole 154 and the second positioning hole 164. The positioning portion 174 may be engaged with the first positioning hole 154 and the second positioning hole 164. The cross-section of the positioning portion 174 is matched to the cross-section of the first positioning hole 154 and the cross-section of the second positioning hole 164. The cross section of the positioning portion 174 may be a quadrangle, and may also be other shapes, such as a circle, a polygon, and the like. The coupling portion 176 may be externally threaded and may cooperate with the nut 172 to axially secure the blade body 120, the cutting edge 140, and the retention cap 162.

Fig. 7a illustrates a schematic structural view of a locating pin 170a provided herein according to various embodiments. The positioning pin 170a may connect the cutting blade 110a and the positioning cover plate 162a and the cutting blade 110b and the positioning cover plate 162 b. As shown in fig. 7a, the cross-sectional shape of the positioning portion 174a of the positioning pin 170a is a quadrangle matching the cross-sections of the first and second positioning holes 154a and 164a and the first and second positioning holes 154b and 164 b.

FIG. 7b illustrates a schematic structural view of a locating pin 170b provided herein according to various embodiments. The positioning pin 170b may connect the cutting blade 110c and the positioning cover plate 162 c. As shown in fig. 7b, the cross-sectional shape of the positioning portion 174b of the positioning pin 170b is circular, matching the cross-sections of the first positioning hole 154c and the second positioning hole 164 c.

In summary, when the blade 140 is replaced, the positioning cover 162 is removed by loosening the nut 172 from the external thread, so that the blade 140 can be removed from the slitting device 100 without disassembling the blade 120. Therefore, after the blade 140 is replaced, the cutter device 100 does not need to be clamped again and the gap is adjusted, the operation is simple, and the replacement time is saved.

In conclusion, upon reading the present detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure can be presented by way of example only, and not limitation. Those skilled in the art will appreciate that the present application is intended to cover various reasonable variations, adaptations, and modifications of the embodiments described herein, although not explicitly described herein. Such alterations, improvements, and modifications are intended to be suggested by this disclosure, and are within the spirit and scope of the exemplary embodiments of this disclosure.

Furthermore, certain terminology has been used in this application to describe embodiments of the disclosure. For example, "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present disclosure. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various portions of this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined as suitable in one or more embodiments of the disclosure.

It should be appreciated that in the foregoing description of embodiments of the disclosure, various features are grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of such features. This is not to be taken as an admission that any of the features of the claims are essential, and it is fully possible for a person skilled in the art to extract some of them as separate embodiments when reading the present application. That is, embodiments in the present application may also be understood as an integration of multiple sub-embodiments. And each sub-embodiment described herein is equally applicable to less than all features of a single foregoing disclosed embodiment.

Each patent, patent application, publication of a patent application, and other material, such as articles, books, descriptions, publications, documents, articles, and the like, cited herein is hereby incorporated by reference. All matters hithertofore set forth herein except as related to any prosecution history, may be inconsistent or conflicting with this document or any prosecution history which may have a limiting effect on the broadest scope of the claims. Now or later associated with this document. For example, if there is any inconsistency or conflict in the description, definition, and/or use of terms associated with any of the included materials with respect to the terms, descriptions, definitions, and/or uses associated with this document, the terms in this document are used. Finally, it should be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Accordingly, the disclosed embodiments are presented by way of example only, and not limitation. Those skilled in the art may implement the present application in alternative configurations according to the embodiments of the present application. Thus, embodiments of the present application are not limited to those precisely described in the application.

Claims

1. A cutting knife device with a replaceable cutting edge is characterized by comprising:

divide the cutter, include:

the cutter body is of a plate-shaped structure, and the cutter dividing device is installed through the cutter body;

the cutting edge is of a plate-shaped structure with a disc-shaped outer contour, is configured to be capable of cutting a target object and comprises an inner hole, and the cutting edge is sleeved outside the cutter body through the inner hole;

and the clamp is used for connecting the cutter body and the cutting edge.

2. The replaceable-blade slitting knife device of claim 1,

the knife body comprises at least one first positioning groove which is distributed on the edge of the outer contour of the knife body;

the cutting edge comprises at least one second positioning groove which is distributed on the edge of the inner hole and is matched with the at least one first positioning groove to form at least one first positioning hole.

3. A replaceable-edge slitting knife assembly according to claim 2 wherein said clamp comprises:

the positioning cover plates are distributed on two sides of the slitting knife, comprise at least one second positioning hole and are circumferentially arranged around the positioning cover plates, and the distribution circumference of the at least one second positioning hole is the same as that of the at least one first positioning hole;

and the positioning pin penetrates through the at least one first positioning hole and the at least one second positioning hole and axially fixes the knife body, the knife edge and the positioning cover plate through threaded connection.

4. The replaceable blade slitting knife assembly of claim 3 wherein the locating pin comprises:

the positioning part is matched with the first positioning hole and the second positioning hole, and the cross section of the positioning part is matched with the cross sections of the first positioning hole and the second positioning hole;

the connecting part is provided with external threads and is matched with the nut, and the knife body, the cutting edge and the positioning cover plate are axially fixed.

5. The replaceable-blade slitting knife device of claim 4 wherein the locating portion is quadrilateral in cross-section.

6. The replaceable-blade slitting knife device of claim 2,

the knife body comprises a plurality of flanges, the flanges are distributed on the edge of the outer contour of the knife body and are arranged at intervals with the at least one first positioning groove;

the cutting edge includes a plurality of recesses disposed about the edge of the bore for engaging the plurality of flanges.

7. The replaceable-blade slitting knife device of claim 6 wherein the flange is triangular in shape.

8. The replaceable-blade parting blade apparatus of claim 2 wherein said at least one first locator hole is circumferentially and uniformly disposed.

9. The replaceable blade slitting device of claim 1 wherein the blade body has a mounting hole in a central portion thereof concentric with the blade body.

10. The replaceable blade slitting knife device of claim 9 wherein the positioning cover plate has a through hole in a central portion thereof, the through hole being concentric with the mounting hole, wherein the diameter of the through hole is greater than the diameter of the mounting hole.