Slitting knife module

Abstract

The utility model relates to a slitting knife module in the technical field of slitting, which comprises an annular knife holder and an annular slitting knife, the annular slitting knife is mounted on the annular knife holder through a fixing component, the annular slitting knife comprises a fixing part and a cutting part, the fixing part is connected with the cutting part through an obliquely arranged connecting part, and the cutting part is connected with the annular knife holder. A datum plane is arranged on one side of the annular tool apron and is flush with the cutting part. According to the annular slitting knife disclosed by the utility model, the cutting part extends outwards through the obliquely arranged connecting part and is kept flush with the reference surface on one side of the annular knife holder, so that the annular slitting knife can carry out knife setting operation more conveniently, the production efficiency is improved, the knife setting work is more accurate and reliable, errors possibly occurring in the production process are avoided, and the production efficiency is improved. And the production quality is improved. In conclusion, the slitting knife module has the advantages of being simple in structure, convenient to operate, high in production efficiency and good in cutting effect.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting, in particular to a slitting knife module. Background Art

[0002] Slitting machine is a mechanical equipment that can cut wide paper, mica tape, paper, insulation materials and various film materials into multiple narrow materials. It is commonly used in papermaking machinery, wire and cable mica tape and printing and packaging machinery as well as in the lithium battery industry.

[0003] The slitting knife holder is used to fix the slitting knife on the slitting main shaft of the slitting machine, and the slitting knife is driven by the rotation of the slitting main shaft to slitting the paper materials to be slid. However, the existing slitting knife holder and the cutting surface of the slitting knife are not on the same axis, which brings inconvenience to the knife alignment work in the production process. Therefore, the utility model provides a slitting knife module that is convenient for knife alignment. Summary of the invention

[0004] The utility model provides a slitting knife module to solve the problems mentioned in the above background technology.

[0005] The purpose of the utility model is achieved by the following methods:

[0006] A slitting knife module comprises an annular knife seat and an annular slitting knife, wherein the annular slitting knife is mounted on the annular knife seat via a fixing assembly, the annular slitting knife comprises a fixing portion and a cutting portion, the fixing portion is connected to the cutting portion via an inclined connecting portion, a reference surface is provided on one side of the annular knife seat, and the reference surface is kept flush with the cutting portion.

[0007] Furthermore, the annular knife seat is provided with a slot for accommodating the annular slitting knife.

[0008] Furthermore, the clamping groove is provided with a positioning protrusion extending along the circumferential direction of the annular knife seat, and the positioning protrusion is engaged with the annular slitting knife.

[0009] Furthermore, a buffer gasket is arranged in the card slot.

[0010] Furthermore, inclined surfaces and positioning grooves are respectively provided on both sides of the clamping groove, and the fixing assembly includes an elastic reset member and a snap ring respectively provided on the inclined surfaces and the positioning grooves, and the elastic reset member and the snap ring respectively abut against both sides of the annular slitting knife.

[0011] Furthermore, the elastic return member is composed of a return spring connected end to end, and the return spring is arranged in an annular structure.

[0012] Furthermore, an opening is provided at one end of the annular knife seat, and a fixing screw passing through the opening is provided on the annular knife seat.

[0013] Furthermore, the cutting portion is composed of intersecting cutting bevels and cutting planes, and the cutting plane is kept flush with the reference plane.

[0014] The annular slitting knife of the utility model extends the cutting portion outward through the inclined connecting portion and keeps it flush with the reference surface on one side of the annular knife seat, so that the annular slitting knife can be more conveniently adjusted, thereby improving production efficiency. At the same time, the adjustment work is more accurate and reliable, thus avoiding errors that may occur in the production process and improving production quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a slitting knife module of the utility model;

[0016] Figure 2 This is an exploded schematic diagram of a slitting knife module of the utility model;

[0017] Figure 3 This is a cross-sectional view of a slitting knife module of the utility model;

[0018] Figure 4 for Figure 3 A is an enlarged schematic diagram;

[0019] The reference numerals in the figure are: 1-annular knife seat, 101-reference plane, 102-slot, 1021-positioning protrusion, 103-inclined surface, 104-positioning groove, 105-opening, 2-buffer gasket, 3-annular cutting knife, 3A-fixing part, 3B-connecting part, 3C-cutting part, 31C-cutting bevel, 32C-cutting plane, 4-elastic reset part, 5-clamping ring, 6-fixing screw. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] In this embodiment, refer to Figure 1-Figure 4 A slitting knife module is specifically implemented, including an annular knife seat 1 and an annular slitting knife 3. The annular slitting knife 3 is installed on the annular knife seat 1 through a fixing assembly. The annular slitting knife 3 includes a fixing portion 3A and a cutting portion 3C. The fixing portion 3A is connected to the cutting portion 3C through an inclined connecting portion 3B. A reference surface 101 is provided on one side of the annular knife seat 1, and the reference surface 101 is kept flush with the cutting portion 3C.

[0022] Furthermore, the annular knife holder 1 is provided with a slot 102 for accommodating the annular slitting knife 3, and the slot 102 is provided with a positioning protrusion 1021 extending along the circumferential direction of the annular knife holder 1, the positioning protrusion 1021 is engaged with the annular slitting knife 3, and a buffer gasket 2 is provided in the slot 102. The design of the slot 102 on the annular knife holder 1 makes the installation and disassembly of the annular slitting knife 3 more convenient, thereby improving work efficiency. The positioning protrusion 1021 provided on the slot 102 is engaged with the annular slitting knife 3, which can ensure the stability and accuracy of the annular slitting knife 3 in the slot 102. The buffer gasket 2 provided in the slot 102 can effectively reduce the impact and vibration of the annular slitting knife 3 during the cutting process, thereby protecting the service life of the annular slitting knife 3.

[0023] Furthermore, inclined surfaces 103 and positioning grooves 104 are respectively provided on both sides of the slot 102, and the fixing assembly includes elastic reset members 4 and snap rings 5 ​​respectively provided on the inclined surfaces 103 and the positioning grooves 104, and the elastic reset members 4 and snap rings 5 ​​are respectively abutted against both sides of the annular slitting knife 3. The inclined surfaces 103 and positioning grooves 104 respectively provided on both sides of the slot 102, and the provision of the elastic reset members 4 and snap rings 5, make the annular slitting knife 3 more firmly and reliably fixed in the slot 102, and avoid the loosening or falling off phenomenon that may occur during the cutting process. The elastic reset member 4 is composed of a reset spring connected end to end, and the reset spring is provided in an annular structure, which can effectively ensure the stable support of the annular slitting knife 3.

[0024] Furthermore, an opening 105 is provided at one end of the annular knife seat 1, and a fixing screw 6 is provided on the annular knife seat 1 to pass through the opening 105. This makes it easier to install and disassemble the entire slitting knife module, thereby improving production efficiency and convenience of operation.

[0025] Furthermore, the cutting portion 3C is composed of an intersecting cutting slope 31C and a cutting plane 32C, and the cutting plane 32C is kept flush with the reference plane 101. The cutting plane 32C and the reference plane 101 are kept in a relatively horizontal state.

[0026] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A slitting knife module, comprising an annular knife seat (1) and an annular slitting knife (3), wherein the annular slitting knife (3) is mounted on the annular knife seat (1) via a fixing assembly, characterized in that: The annular slitting knife (3) comprises a fixing portion (3A) and a cutting portion (3C), wherein the fixing portion (3A) is connected to the cutting portion (3C) via an inclined connecting portion (3B), and a reference surface (101) is provided on one side of the annular knife seat (1), wherein the reference surface (101) is kept flush with the cutting portion (3C).

2. A slitting knife module according to claim 1, characterized in that: The annular knife seat (1) is provided with a slot (102) for accommodating the annular slitting knife (3).

3. A slitting knife module according to claim 2, characterized in that: The clamping groove (102) is provided with a positioning protrusion (1021) extending along the circumferential direction of the annular knife seat (1), and the positioning protrusion (1021) is engaged with the annular slitting knife (3).

4. A slitting knife module according to claim 2 or 3, characterized in that: A buffer gasket (2) is arranged in the card slot (102).

5. A slitting knife module according to claim 4, characterized in that: An inclined surface (103) and a positioning groove (104) are respectively arranged on both sides of the clamping groove (102); the fixing assembly comprises an elastic reset member (4) and a snap ring (5) respectively arranged on the inclined surface (103) and the positioning groove (104); the elastic reset member (4) and the snap ring (5) respectively abut against both sides of the annular slitting knife (3).

6. A slitting knife module according to claim 5, characterized in that: The elastic reset member (4) is composed of reset springs connected end to end, and the reset springs are arranged in an annular structure.

7. A slitting knife module according to claim 1 or 6, characterized in that: An opening (105) is provided at one end of the annular knife seat (1), and a fixing screw (6) passing through the opening (105) is provided on the annular knife seat (1).

8. A slitting knife module according to claim 1 or 6, characterized in that: The cutting portion (3C) is composed of an intersecting cutting bevel (31C) and a cutting plane (32C), and the cutting plane (32C) is kept flush with the reference plane (101).

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