Slitting cutter set device suitable for marking foil thick foil slitting machine
By optimizing the slitting blade assembly of the standard foil and thick foil slitting machine and adding intermediate upper and lower blade holders and blade groove structures, the problems of poor copper foil slitting effect and low efficiency in the existing technology have been solved, achieving more efficient multi-blade slitting and reducing waste.
Patent Information
- Application Number
- CN202422761464.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Existing standard foil slitting machines have poor cutter structure design when slitting copper foil with a thickness of 70-105μm, resulting in poor slitting effect, more waste and low cutting efficiency.
A slitting blade assembly device suitable for standard foil and thick foil slitting machines was designed, including an upper blade shaft, a lower blade shaft, and end and middle upper and lower blade assemblies. By adding middle upper and lower blade seats and blade groove structures, and optimizing the blade installation method, multi-blade slitting is achieved to reduce waste.
When cutting two copper foils, an extra copper foil can be cut, reducing waste of edge material and improving cutting efficiency.
Smart Images

Figure CN223545313U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of copper foil technology, and in particular to a slitting knife assembly device suitable for a standard foil thick foil slitting machine. Background Technology
[0002] Copper foil is an anionic electrolytic material that can be deposited on the substrate layer of circuit boards, bonded to insulating layers, and printed with protective layers. After etching, it forms circuit patterns and is widely used in lithium battery products. It has advantages such as good conductivity, small size, and light weight. The production process of electrolytic copper foil involves three steps: solution forming, surface treatment, and product slitting. Product slitting is necessary to meet the dimensional requirements of the finished product, requiring the removal of waste edges.
[0003] Electrolytic copper foil slitting machines are equipment used in the production process to cut and slit wide materials according to different needs. Electrolytic copper foil slitting machines are mainly used to slit wide rolls into various narrow rolls suitable for production needs. The slitting process includes two processes: unwinding and rewinding.
[0004] The cutting device of a copper foil slitting machine is an indispensable piece of equipment in the copper foil production process. Its main function is to cut the produced raw foil into finished product specifications of corresponding widths according to customer requirements, and it also plays a decisive role in the edge quality of the finished product. However, existing standard foil slitting machines, due to limitations in the thick foil slitting knife set and blades, can generally only cut one sheet with two sets of blades or two sheets with three sets of blades when slitting copper foil with a thickness of 70-105μm, resulting in waste of edge material and affecting the yield. Utility Model Content
[0005] Therefore, the technical problem to be solved by this utility model is to overcome the problem that the cutting structure design of the slitting machine in the prior art is unreasonable, resulting in poor slitting effect for copper foil of a certain thickness within a certain unit, and that copper foil slitting not only easily produces a lot of waste material, but also leads to low copper foil cutting efficiency.
[0006] To solve the above-mentioned technical problems, this utility model provides a slitting blade assembly device suitable for a standard foil thick foil slitting machine, comprising: an upper blade shaft, a lower blade shaft, end upper blade assemblies, end lower blade holders, intermediate upper blade assemblies, and intermediate lower blade holders; end upper blade assemblies are provided at both ends of the upper blade shaft along its axial direction, the intermediate upper blade assemblies are located at the middle position of the upper blade shaft, and end lower blade holders are provided at both ends of the lower blade shaft along its axial direction, the intermediate lower blade holders are located at the middle position of the lower blade shaft; wherein, the end upper blade assemblies and end lower blade holders are arranged in a one-to-one correspondence, and the intermediate upper blade assemblies and intermediate lower blade holders are arranged in a one-to-one correspondence. The intermediate upper tool assembly is configured in a corresponding manner, comprising a first upper tool holder, a first blade, a first blade cover, a second blade cover, a second blade, and a second upper tool holder. Both the first and second upper tool holders are mounted on the upper tool shaft. The first blade is mounted on the first upper tool holder via the first blade cover, and the second blade is mounted on the second upper tool holder via the second blade cover. The intermediate lower tool holder is provided with a first tool groove and a second tool groove at positions directly opposite to the first and second blades. The edge cutting edge of the first blade is located within the first tool groove, and the edge cutting edge of the second blade is located within the second tool groove.
[0007] In one embodiment of the present invention, the end upper blade assembly includes a third upper blade holder, a third blade, and a third blade cover. The third upper blade holder is disposed on the upper blade shaft, and the third blade is mounted on the third upper blade holder through the third blade cover.
[0008] In one embodiment of the present invention, a third cutting groove is provided at the position where the end lower cutting seat is directly opposite the third cutting blade, and the edge cutting edge of the third cutting blade is located in the third cutting groove.
[0009] In one embodiment of this utility model, the first blade, the second blade, and the third blade are all circular blades.
[0010] In one embodiment of the present invention, the first and second cutting grooves are both formed into annular grooves along the outer circumference of the middle lower cutting seat, and the third cutting groove is formed into annular grooves along the outer circumference of the end lower cutting seat.
[0011] In one embodiment of this utility model, both ends of the middle lower cutter holder along the axial direction are connected to collars, and the gap between the middle lower cutter holder and the collars on both sides forms a first cutter groove and a second cutter groove.
[0012] In one embodiment of the present invention, a first blade mounting shaft is provided on one side of the first upper tool holder, and the first blade is mounted on the first blade mounting shaft; a second blade mounting shaft is provided on one side of the second upper tool holder, and the second blade is mounted on the second blade mounting shaft.
[0013] In one embodiment of the present invention, a third blade mounting shaft is provided on one side of the third upper blade holder, and the third blade is mounted on the third blade mounting shaft.
[0014] In one embodiment of this utility model, the upper cutter shaft is a cylindrical shaft.
[0015] In one embodiment of this utility model, the lower cutting shaft is a cylindrical shaft, and the axis of the lower cutting shaft is parallel to the axis of the upper cutting shaft.
[0016] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial effects:
[0017] This utility model relates to a slitting knife assembly device suitable for standard foil and thick foil slitting machines. Through continuous testing, processing, and improvement during the slitting production process, the addition of an upper circular knife, a knife holder mechanism, and a bottom knife mechanism has led to the successful initial trial of the knife assembly. When slitting two thicker copper foils, an additional sheet can be cut out in the middle, which aims to reduce the waste of edge material caused by only being able to cut one or two sheets of copper foil when slitting thick foils. Attached Figure Description
[0018] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.
[0019] Figure 1 This is a schematic diagram of the overall structure of the slitting blade assembly device for a standard foil thick foil slitting machine in a preferred embodiment of the present invention;
[0020] Figure 2 This is a partial structural diagram of the slitting blade assembly device for a standard foil thick foil slitting machine in a preferred embodiment of the present invention. Figure 1 ;
[0021] Figure 3 This is a partial structural diagram of the slitting blade assembly device for a standard foil thick foil slitting machine in a preferred embodiment of the present invention. Figure 2 .
[0022] Explanation of reference numerals in the accompanying drawings: Upper cutter shaft 1, Lower cutter shaft 2, End upper cutter assembly 3, Third upper cutter holder 31, Third blade mounting shaft 311, Third blade 32, Third blade cover 33, End lower cutter holder 4, Third cutter groove 41, Middle upper cutter assembly 5, First upper cutter holder 51, First blade mounting shaft 511, First blade 52, First blade cover 53, Second blade cover 54, Second blade 55, Second upper cutter holder 56, Second blade mounting shaft 561, Middle lower cutter holder 6, First cutter groove 61, Second cutter groove 62, Collar 63. Detailed Implementation
[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.
[0024] Reference Figure 1 As shown, the slitting blade assembly device of this utility model, applicable to a standard foil thick foil slitting machine, includes: an upper blade shaft 1, a lower blade shaft 2, end upper blade assemblies 3, end lower blade holders 4, intermediate upper blade assemblies 5, and intermediate lower blade holders 6. The upper blade shaft 1 has end upper blade assemblies 3 at both ends along its axial direction, and the intermediate upper blade assemblies 5 are positioned in the middle of the upper blade shaft 1. The lower blade shaft 2 has end lower blade holders 4 at both ends along its axial direction, and the intermediate lower blade holders 6 are positioned in the middle of the lower blade shaft 2. Preferably, there can be two intermediate upper blade assemblies 5, forming two intermediate upper blade assemblies 5 on the upper blade shaft 1, which complement the structure of the two end upper blade assemblies 3. Matching the upper part, there are two intermediate lower blade holders 6, forming two intermediate lower blade holders 6 on the lower blade shaft 2, which complement the structure of the two end lower blade holders 4.
[0025] The end upper cutter group 3 and the end lower cutter holder 4 are arranged in a one-to-one correspondence, and the middle upper cutter group 5 and the middle lower cutter holder 6 are arranged in a one-to-one correspondence. The middle upper cutter group 5 includes a first upper cutter holder 51, a first blade 52, a first blade cover 53, a second blade cover 54, a second blade 55, and a second upper cutter holder 56. The first upper cutter holder 51 and the second upper cutter holder 56 are both arranged on the upper cutter shaft 1. The first blade 52 is mounted on the first upper cutter holder 51 through the first blade cover 53, and the second blade 55 is mounted on the second upper cutter holder 56 through the second blade cover 54. The middle lower cutter holder 6 is provided with a first cutter groove 61 and a second cutter groove 62 at the position directly opposite to the first blade 52 and the second blade 55. The edge cutting edge of the first blade 52 is located in the first cutter groove 61, and the edge cutting edge of the second blade 55 is located in the second cutter groove 62.
[0026] In the above structure, the end upper tool assembly 3 includes a third upper tool holder 31, a third blade 32, and a third blade cover 33. The third upper tool holder 31 is disposed on the upper tool shaft 1, and the third blade 32 is mounted on the third upper tool holder 31 through the third blade cover 33. The end lower tool holder 4 is provided with a third cutting groove 41 at a position directly opposite to the third blade 32, and the edge cutting edge of the third blade 32 is located in the third cutting groove 41.
[0027] In the above structure, the first blade 52, the second blade 55, and the third blade 32 are all circular blades. The first cutting groove 61 and the second cutting groove 62 are both formed into annular grooves along the outer circumference of the middle lower blade holder 6, and the third cutting groove 41 is formed into annular grooves along the outer circumference of the end lower blade holder 4.
[0028] In the above structure, both ends of the middle lower cutter holder 6 along the axial direction are connected to collars 63, and the gap between the middle lower cutter holder 6 and the collars 63 on both sides forms a first cutter groove 61 and a second cutter groove 62.
[0029] In the above structure, a first blade mounting shaft 511 is provided on one side of the first upper tool holder 51, and the first blade 52 is mounted on the first blade mounting shaft 511. A second blade mounting shaft 561 is provided on one side of the second upper tool holder 56, and the second blade 55 is mounted on the second blade mounting shaft 561. A third blade mounting shaft 311 is provided on one side of the third upper tool holder 31, and the third blade 32 is mounted on the third blade mounting shaft 311.
[0030] In the above structure, the upper cutter shaft 1 is a cylindrical shaft. The lower cutter shaft 2 is a cylindrical shaft, and the axis of the lower cutter shaft 2 is parallel to the axis of the upper cutter shaft 1.
[0031] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A slitting blade assembly device suitable for a standard foil thick foil slitting machine, characterized in that, include: The upper cutter shaft, lower cutter shaft, end upper cutter assembly, end lower cutter holder, intermediate upper cutter assembly, and intermediate lower cutter holder; the upper cutter shaft has end upper cutter assemblies at both ends along its axial direction, the intermediate upper cutter assembly is located in the middle of the upper cutter shaft, the lower cutter shaft has end lower cutter holders at both ends along its axial direction, and the intermediate lower cutter holder is located in the middle of the lower cutter shaft; The end upper cutter group and the end lower cutter holder are arranged in a one-to-one correspondence, and the middle upper cutter group and the middle lower cutter holder are arranged in a one-to-one correspondence. The middle upper cutter group includes a first upper cutter holder, a first cutter, a first cutter cover, a second cutter cover, a second cutter, and a second upper cutter holder. The first upper cutter holder and the second upper cutter holder are both arranged on the upper cutter shaft. The first cutter is mounted on the first upper cutter holder through the first cutter cover, and the second cutter is mounted on the second upper cutter holder through the second cutter cover. The middle lower cutter holder has a first cutter groove and a second cutter groove at the position directly opposite the first cutter and the second cutter. The edge cutting edge of the first cutter is located in the first cutter groove, and the edge cutting edge of the second cutter is located in the second cutter groove.
2. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 1, characterized in that: The end upper tool assembly includes a third upper tool holder, a third blade, and a third blade cover. The third upper tool holder is disposed on the upper tool shaft, and the third blade is mounted on the third upper tool holder through the third blade cover.
3. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 2, characterized in that: A third cutting groove is provided at the position where the end lower cutting seat is directly opposite the third cutting blade, and the edge cutting edge of the third cutting blade is located in the third cutting groove.
4. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 3, characterized in that: The first blade, the second blade, and the third blade are all circular blades.
5. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 4, characterized in that: The first and second cutting grooves are both formed into annular grooves along the outer circumference of the middle lower cutting seat, and the third cutting groove is formed into annular grooves along the outer circumference of the end lower cutting seat.
6. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 1, characterized in that: Both ends of the middle lower cutter holder along the axial direction are connected to collars, and the gap between the middle lower cutter holder and the collars on both sides forms the first cutter groove and the second cutter groove.
7. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 1, characterized in that: The first upper tool holder has a first blade mounting shaft on one side, and the first blade is mounted on the first blade mounting shaft. The second upper tool holder has a second blade mounting shaft on one side, and the second blade is mounted on the second blade mounting shaft.
8. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 2, characterized in that: The third upper tool holder has a third blade mounting shaft on one side, and the third blade is mounted on the third blade mounting shaft.
9. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 1, characterized in that: The upper cutter shaft is a cylindrical shaft.
10. The slitting blade assembly device for a standard foil thick foil slitting machine according to claim 1, characterized in that: The lower cutting shaft is a cylindrical shaft, and the axis of the lower cutting shaft is parallel to the axis of the upper cutting shaft.