Lithium ion battery pole piece slitting device
By adopting the design of adjustable cutting disc spacing and humidity regulation in the lithium-ion battery electrode slitting device, the problem of fixed cutting width is solved, and the practicality and production safety of the equipment are improved.
Patent Information
- Application Number
- CN202422744055.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-12
AI Technical Summary
The existing lithium-ion battery electrode sheet slitting device has a fixed position of the cutter on the slitting wheel, resulting in a fixed width of the cut product, which limits its practicality.
By sleeve-fitting the cutting discs on the slitting shaft and using a threaded connection structure to adjust the spacing between the cutting discs, combined with the design of a limit frame and a placement box, the position of the cutting discs can be flexibly adjusted and the humidity can be adjusted to avoid static electricity.
It enables flexible adjustment of cutting width according to production needs, improves the practicality of the equipment, and ensures production safety through humidity regulation.
Smart Images
Figure CN223325536U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lithium ion battery processing, and particularly relates to a lithium ion battery pole piece cutting device. Background Art
[0002] Battery electrode slitting devices, also known as slitting machines or longitudinal cutting machines, are production equipment that slits lithium-ion battery electrodes, polymer battery electrodes, nickel-metal hydride battery electrodes, and non-ferrous metal sheets or coils to the required dimensions under constant tension, while ensuring certain process requirements. Their primary function is to separate coated electrodes into multiple small pieces with a specific width and precision for subsequent battery assembly. However, these devices also suffer from the following drawbacks: When used, existing slitting devices utilize a slitting wheel to slit the battery electrodes to be processed. Due to the fixed position of the cutter on the slitting wheel, the width of the finished product remains fixed, limiting their practicality. Utility Model Content
[0003] The purpose of the utility model is to provide a lithium-ion battery electrode sheet slitting device, which aims to solve the problem in the prior art that when the above-mentioned equipment is in use, the existing slitting device uses a slitting wheel to slit the battery electrode sheets to be processed, but the position of the cutter on the slitting wheel is fixed, resulting in a fixed width of the cut product, which limits its practicality.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium-ion battery electrode slitting device, comprising: a slitting machine body, a support frame is provided on the top of the slitting machine body, a slitting shaft is installed on the surface of the support frame, a cutting disc is sleeved on the surface of the slitting shaft, the side wall of the cutting disc is connected to an outer tube, the side wall of the outer tube passes through the screw threadedly connected to the inner rod, the other side of the inner rod is connected to the cutting disc, the inner wall of the front end of the support frame is connected to the limit frame, the top of the limit frame is embedded in the placement box, the inner wall of the placement box is embedded in the sponge block, the front end of the limit frame is connected to the hanging rod, and the top of the longitudinal end of the hanging rod is sleeved with a hygrometer.
[0005] In order to facilitate the adjustment of the distance between the two cutting discs by utilizing the outer tube and the inner rod between the cutting discs, as a preferred lithium-ion battery pole piece slitting device of the utility model, six groups of the cutting discs are sleeved on the surface of the slitting shaft, and two groups of the cutting discs, the outer tube, the screw and the inner rod form a telescopic threaded connection structure.
[0006] In order to fix the position of the cutting disc by fixing the screw on the thread groove at the corresponding position, as a preferred lithium-ion battery pole piece slitting device of the present invention, the lateral end of the slitting shaft is provided with thread grooves at equal intervals, and the shape and size of the thread grooves are consistent with the screw.
[0007] In order to use the screw to pass through the thread groove at the corresponding position on the surface of the inner rod to fix the position after adjusting the length, as a preferred lithium-ion battery electrode cutting device of the present invention, the inner rod surface is provided with thread grooves at equal intervals, and the shape and size of the thread grooves are consistent with the screw.
[0008] In order to facilitate the use of the limit frame to fix the position of the placement box thereon, as a preferred lithium-ion battery electrode cutting device of the present invention, two groups of the limit frames are respectively located on both sides of the inner wall of the support frame, and a rectangular groove is provided on the top of the limit frame, and its shape and size are consistent with the placement box.
[0009] In order to make use of the through grooves on the placement box to facilitate the release of water vapor from the sponge placed inside, as a preferred lithium-ion battery electrode cutting device of the present invention, the placement box is provided with a row of circular through grooves on the front and rear sides and the lower end respectively, and a rectangular groove on the top.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] By sleeved on the slitting shaft, the distance between the cutter discs can be adjusted, so that the distance between the cutter discs can be adjusted as needed, so that the lithium-ion battery pole pieces can be cut according to production needs, thereby improving the practicality of the equipment;
[0012] The limiting frame arranged at the front end of the support frame is used to facilitate the placement of the placement box thereon, and then the sponge block is placed through the rectangular groove opened on the top of the placement box. At the same time, the through groove opened on the placement box facilitates the dissipation of moisture on the sponge block to the outside, thereby avoiding static electricity caused by excessive dryness and affecting production safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 This is a side structural diagram of the present utility model;
[0016] Figure 3 This is a schematic diagram of the top view of the structure of the utility model;
[0017] Figure 4 This is an enlarged structural diagram of the placement box portion of the present invention;
[0018] Figure 5 This is a schematic diagram of the enlarged structure of the slitting shaft and cutting disc of the utility model.
[0019] In the figure: 1. Slitting machine body; 2. Support frame; 3. Slitting shaft; 4. Cutting disc; 5. Outer tube; 6. Screw; 7. Inner rod; 8. Limiting frame; 9. Placement box; 10. Sponge block; 11. Hanging rod; 12. Hygrometer. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1-5 The utility model provides the following technical solutions: a lithium-ion battery electrode slitting device, comprising: a slitting machine body 1, a support frame 2 is provided on the top of the slitting machine body 1, a slitting shaft 3 is installed on the surface of the support frame 2, a cutting disc 4 is sleeved on the surface of the slitting shaft 3, the side wall of the cutting disc 4 is connected to the outer tube 5, the side wall of the outer tube 5 passes through the screw 6 threadedly connected to the sleeved inner rod 7, the other side of the inner rod 7 is connected to the cutting disc 4, the inner wall of the front end of the support frame 2 is connected to the limiting frame 8, the top of the limiting frame 8 is embedded in the placement box 9, the inner wall of the placement box 9 is embedded in the sponge block 10, the front end of the limiting frame 8 is connected to the hanging rod 11, and the top of the longitudinal end of the hanging rod 11 is sleeved with a hygrometer 12.
[0022] Preferably, six groups of cutting discs 4 are sleeved on the surface of the slitting shaft 3, and two groups of cutting discs 4, the outer tube 5, the screw 6 and the inner rod 7 form a telescopic threaded connection structure.
[0023] During specific use, the screw 6 is used to pass through the thread grooves at corresponding positions on the surfaces of the outer tube 5 and the inner rod 7, and then through the thread grooves at corresponding positions starting from the surface of the slitting shaft 3, so as to fix the position of the cutting disc 4 on the slitting shaft 3.
[0024] Preferably, threaded through grooves are provided at equal intervals on the transverse ends of the slitting shaft 3 , and the shape and size of the threaded grooves are consistent with those of the screw 6 .
[0025] During specific use, the threaded groove provided on the slitting shaft 3 is utilized to fix the position of the cutter disc 4 on the slitting shaft after adjusting its position.
[0026] Preferably, threaded grooves are provided at equal intervals on the surface of the inner rod 7 , and the shape and size of the threaded grooves are consistent with those of the screw rod 6 .
[0027] During specific use, the screw rod 6 is passed through the threaded grooves at corresponding positions on the surfaces of the outer tube 5 and the inner rod 7 to fix the connection between the screw rod 6 and the outer tube 5 .
[0028] Preferably, the two groups of limiting frames 8 are respectively located on both sides of the inner wall of the supporting frame 2 , and a rectangular groove is provided on the top of the limiting frame 8 , and its shape and size are consistent with the placement box 9 .
[0029] During specific use, the placement box 9 is placed on the limiting frame 8 so that it can emit moist water vapor to the periphery of the slitting machine body 1 to adjust the humidity in the processing environment.
[0030] Preferably, a row of circular through grooves are respectively provided on the front, rear and lower sides of the placement box 9 and a rectangular groove is provided on the top.
[0031] When in use, the through groove provided on the placing box 9 is used to facilitate the moisture vapor on the sponge block 10 placed therein to be emitted outwards.
[0032] Working principle: When producing lithium-ion battery electrodes, first hang the hygrometer 12 on the front end of the hanging rod 11, select a sponge block 10 with appropriate humidity according to the humidity in the environment and place it in the placement box 9, then place the placement box 9 on the limit frame 8 so that it can emit moist water vapor to the periphery of the slitting machine body 1 to adjust the humidity in the processing environment and avoid excessive dryness to generate static electricity that affects safe production. Then, according to production needs, unscrew the screw 6 fixed on the cutting disc 4, outer tube 5 and inner rod 7, thereby pulling the cutting disc 4 on one side to move along the slitting shaft 3. While moving upward, the inner rod 7 is telescopically adjusted in length on the sleeved outer tube 5. After the position is determined, the screw 6 is used to pass through the thread grooves at corresponding positions on the surfaces of the outer tube 5 and the inner rod 7, and then through the thread grooves at corresponding positions starting from the surface of the slitting shaft 3, so as to fix the position of the cutting disc 4 on the slitting shaft 3. The outer tube 5 and the inner rod 7 between the two cutting discs 4 are used to stably support the connection between the two, so as to facilitate the adjustment of the distance between the two cutting discs 4 as needed, so as to adjust the width of the lithium-ion battery electrode.
[0033] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A lithium-ion battery electrode cutting device, comprising: The slitting machine body (1) is characterized in that: a support frame (2) is provided on the top of the slitting machine body (1), a slitting shaft (3) is installed on the surface of the support frame (2), a cutting disc (4) is sleeved on the surface of the slitting shaft (3), a side wall of the cutting disc (4) is connected to an outer tube (5), a screw (6) is passed through the side wall of the outer tube (5) and a threaded inner rod (7) is sleeved, the other side of the inner rod (7) is connected to the cutting disc (4), the front inner wall of the support frame (2) is connected to a limiting frame (8), the top of the limiting frame (8) is engaged with a placement box (9), the inner wall of the placement box (9) is engaged with a sponge block (10), the front end of the limiting frame (8) is connected to a hanging rod (11), and the top of the longitudinal end of the hanging rod (11) is sleeved with a hygrometer (12).
2. The lithium-ion battery electrode cutting device according to claim 1, characterized in that: The six groups of cutting discs (4) are sleeved on the surface of the slitting shaft (3), and two groups of cutting discs (4), an outer tube (5), a screw rod (6) and an inner rod (7) form a telescopic thread connection structure.
3. The lithium-ion battery electrode cutting device according to claim 1, characterized in that: The lateral end of the slitting shaft (3) is provided with threaded through grooves at equal intervals, and the shape and size of the threaded grooves are consistent with those of the screw rod (6).
4. The lithium-ion battery electrode cutting device according to claim 1, characterized in that: The surface of the inner rod (7) is provided with threaded grooves at equal intervals, and the shape and size of the threaded grooves are consistent with those of the screw rod (6).
5. The lithium-ion battery electrode cutting device according to claim 1, characterized in that: The two groups of limiting frames (8) are respectively located on both sides of the inner wall of the support frame (2); a rectangular groove is provided on the top of the limiting frame (8) and its shape and size are consistent with the placement box (9).
6. The lithium-ion battery electrode cutting device according to claim 1, characterized in that: The placement box (9) is provided with a row of circular through grooves on the front, rear and lower sides respectively, and a rectangular groove on the top.