Slitting device for producing copper foil for lithium battery
By designing a slitting device that includes components such as a positioning plate, a threaded rod, and a moving block, the problem of inconvenient adjustment of the slitting blade position was solved, precise control of the copper foil cutting width was achieved, and the slitting quality was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-24
AI Technical Summary
In the current lithium battery copper foil production process, the position adjustment of the slitting blade is inconvenient, which makes it difficult to adjust the position of adjacent slitting blades to achieve higher precision and affects the control of the copper foil cutting width.
The slitting device includes a positioning plate, a threaded rod, a moving block, a moving sleeve, a retaining edge, a mounting plate, a rotating shaft, a third motor, and a slitting blade. The position of the slitting blade is adjusted by manually rotating the moving sleeve on the threaded rod. Combined with the push rod motor and rotating roller, the copper foil is moved to achieve precise slitting.
The improved position adjustment precision of the slitting blade ensures accurate control of the copper foil cutting width, thereby enhancing the slitting quality.
Smart Images
Figure CN224027759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to copper foil technical field especially relates to a kind of slitting device for copper foil production for lithium battery. BACKGROUND
[0002] The copper foil component used by lithium battery negative electrode material on new energy automobile, lithium copper foil is used as the current collector of lithium battery negative electrode, responsible for carrying negative active material and collecting electron flow, it is the channel of negative electrode electron flow in battery, directly influence the electrochemical performance of battery, thickness is usually between 7-20 microns, wherein the copper foil thickness commonly used by new energy automobile is 6-12 microns, which not only affects the weight of battery, but also affects the resistance and performance of battery, the excellent conductivity and soft texture characteristics of copper foil help to improve the safety of battery, for example, composite copper foil can melt outer copper plating layer by design when short circuit occurs, isolate inside, reduce the risk of battery spontaneous combustion, lithium battery copper foil is widely used in automobile power lithium battery, 3C digital product, energy storage and multiple fields, with the growth of new energy automobile and energy storage market, demand continues to increase.
[0003] Lithium battery copper foil is cut according to production demand in production process, and multiple blades on slitting knife are used to cut copper foil directly in copper foil slitting process, but the position of existing slitting knife blade is mostly adjusted by setting multiple gears, which is inconvenient to adjust, is not conducive to higher precision adjustment of the position of adjacent slitting knives, causes the problem that copper foil cutting width is inconvenient to control, so a kind of slitting device for copper foil production for lithium battery is needed. UTILITY MODEL CONTENT
[0004] The utility model is at least to solve one of the technical problems existing in the prior art, provide a kind of slitting device for copper foil production for lithium battery, can solve the problem that slitting knife is inconvenient to adjust, is not conducive to higher precision adjustment of the position of adjacent slitting knives, causes the problem that copper foil cutting width is inconvenient to control.
[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of slitting device for copper foil production for lithium battery, including mounting bracket and slitting device, slitting device includes positioning plate, threaded rod, moving block, moving sleeve, baffle, mounting plate, rotating shaft, third motor, slitting knife and moving plate, moving plate is slidably connected in the inside of mounting bracket, positioning plate is fixedly connected at the bottom of moving plate, threaded rod is rotatably connected with positioning plate, moving sleeve is screwed on the outer surface of threaded rod, moving block is rotatably connected at the outer surface of moving sleeve, baffle is fixedly connected at the bottom of moving block, mounting plate is fixedly connected at the bottom of moving block, rotating shaft is rotatably connected in the inside of mounting plate, third motor is fixedly connected with mounting plate, the output end of third motor is fixedly connected with rotating shaft, the output shaft of third motor penetrates mounting plate and is rotatably connected with mounting plate, slitting knife is fixedly connected on the outer surface of rotating shaft.
[0006] Preferably, the outer surface of the moving sleeve is fixedly sleeved with a limiting edge, and the inside of the moving block is provided with a limiting groove matched with the limiting edge.
[0007] Preferably, the number of the positioning plates is two and they are respectively located at the two sides of the moving plate.
[0008] Preferably, the top of the mounting bracket is fixedly connected with a push rod motor, the output end of the push rod motor is fixedly connected with an electric push rod, and the bottom of the electric push rod is fixedly connected with the moving plate.
[0009] Preferably, the top of the moving block is fixedly connected with a rectangular block, the bottom of the moving plate is provided with a mounting groove, and the rectangular block is slidably connected with the mounting groove.
[0010] Preferably, the surface of the mounting bracket is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a rotating roller, and the rotating roller is rotatably connected with the mounting bracket.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The slitting device for copper foil production for lithium battery, by manually rotating moving sleeve, the moving sleeve can move on the outer surface of the threaded rod, the movement of the moving sleeve drives the movement of the moving block, after rotating multiple moving sleeves to move the moving block to the appropriate position, the slitting interval can be adjusted, the setting of the slitting device solves the inconvenience of adjusting the slitting knife, which is not conducive to adjusting the positions of adjacent slitting knives with higher precision, causing the inconvenience of controlling the cutting width of copper foil, and is more conducive to use and improves the slitting quality. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model is further illustrated as follows by combining with the drawings and embodiments:
[0014] Figure 1 It is the schematic diagram of the body of the utility model;
[0015] Figure 2 For the utility model Figure 1 The schematic view of A in the middle;
[0016] Figure 3 The schematic view of the slitting device of the utility model;
[0017] Figure 4 The schematic view of the moving plate of the utility model.
[0018] Reference signs: 1, mounting frame; 2, first motor; 3, rotating roller; 4, positioning plate; 5, threaded rod; 6, moving block; 7, moving sleeve; 8, limiting edge; 9, limiting groove; 10, rectangular block; 11, baffle; 12, mounting plate; 13, rotating shaft; 14, third motor; 15, slitting cutter; 16, moving plate; 17, mounting groove; 18, push rod motor; 19, electric push rod. DETAILED DESCRIPTION
[0019] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0020] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as the limitation of the utility model.
[0021] In the description of the utility model, greater than, less than, more than, etc. is understood as not including the number, above, below, etc. is understood as including the number. If the first, second is described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.
[0022] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.
[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a slitting device for copper foil production for lithium battery, including mounting frame 1 and slitting device, slitting device includes positioning plate 4, threaded rod 5, moving block 6, moving sleeve 7, baffle 11, mounting plate 12, rotating shaft 13, third motor 14, slitting knife 15 and moving plate 16, moving plate 16 slidingly connected in the inside of mounting frame 1, positioning plate 4 fixedly connected at the bottom of moving plate 16, threaded rod 5 is connected with positioning plate 4 rotationally, moving sleeve 7 is screwed on the outer surface of threaded rod 5, moving block 6 rotationally connected at the outer surface of moving sleeve 7, baffle 11 fixedly connected at the bottom of moving block 6, mounting plate 12 fixedly connected at the bottom of moving block 6, rotating shaft 13 rotationally connected in the inside of mounting plate 12, third motor 14 is fixedly connected with mounting plate 12, the output of third motor 14 is fixedly connected with rotating shaft 13, the output shaft of third motor 14 penetrates mounting plate 12 and is rotationally connected with mounting plate 12, slitting knife 15 fixedly connected at the outer surface of rotating shaft 13, the top of mounting frame 1 is fixedly connected with push rod motor 18, the output of push rod motor 18 is fixedly connected with electric push rod 19, the bottom of electric push rod 19 is fixedly connected with moving plate 16, the surface of mounting frame 1 is fixedly connected with first motor 2, the output of first motor 2 is fixedly connected with rotating roller 3, rotating roller 3 is rotationally connected with mounting frame 1, when using, the whole device is installed on the slitting machine, and the copper foil passes the surface of rotating roller 3 on the slitting machine, starts first motor 2 and drives rotating roller 3 to rotate, and copper foil can be further moved by rotating roller 3, manually rotating moving sleeve 7 can make moving sleeve 7 move on the outer surface of threaded rod 5, and the movement of moving sleeve 7 drives moving block 6 to move, and after rotating a plurality of moving sleeves 7 and making moving block 6 move to the appropriate position, the slitting interval can be adjusted, and a plurality of slitting knives 15 can be moved downwards until contacting with the copper foil by moving electric push rod 19 by push rod motor 18, and the slitting of copper foil can be realized by starting third motor 14 and driving rotating shaft 13 and slitting knife 15 to rotate, baffle 11 is arranged on one side of slitting knife 15 and can play a certain protection role, the inconvenient adjustment of slitting knife is solved by the setting of the slitting device, the position of adjacent slitting knives is not conducive to higher precision adjustment, the copper foil cutting width is inconvenient to control, and the utility model is more conducive to use and improves the slitting quality.
[0024] Further, the outer surface of the moving sleeve 7 is sleeved with a limiting edge 8, the inner portion of the moving block 6 is provided with a limiting groove 9 matched with the limiting edge 8, the limiting edge 8 rotates in the limiting groove 9 to realize the movement of the moving block 6, the number of the positioning plates 4 is two and they are respectively located on the two sides of the moving plate 16, the top of the moving block 6 is fixedly connected with a rectangular block 10, the bottom of the moving plate 16 is provided with a mounting groove 17, the rectangular block 10 is slidably connected with the mounting groove 17, the limiting edge 8 and the limiting groove 9 are used for limiting the rotation of the moving sleeve 7, thereby increasing the structural stability, the rectangular block 10 arranged on the top of the moving block 6 is matched with the mounting groove 17 arranged on the bottom of the moving plate 16, thereby limiting the movement of the moving block 6 and making the movement more stable.
[0025] Working principle: when in use, the device is installed on the slitting machine as a whole, the copper foil passes through the surface of the rotating roller 3 on the slitting machine, the first motor 2 is started to drive the rotating roller 3 to rotate, the rotating roller 3 further drives the copper foil to move, the moving sleeve 7 is manually rotated to move on the outer surface of the threaded rod 5, the movement of the moving sleeve 7 drives the movement of the moving block 6, the moving block 6 is moved to the appropriate position after the rotation of the plurality of moving sleeves 7, the slitting interval is adjusted, the plurality of slitting knives 15 are moved downwards until contacting with the copper foil by the movement of the electric push rod 19 driven by the push rod motor 18, the third motor 14 is started to drive the rotating shaft 13 and the slitting knife 15 to rotate, thereby realizing the slitting of the copper foil.
[0026] The above has made a detailed description on the embodiments of the utility model in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by the ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.
Claims
1. A slitting device for producing copper foil for lithium batteries, characterized in that, include: Mounting bracket (1); The slitting device includes a positioning plate (4), a threaded rod (5), a moving block (6), a moving sleeve (7), a retaining edge (11), a mounting plate (12), a rotating shaft (13), a third motor (14), a slitting blade (15), and a moving plate (16). The moving plate (16) is slidably connected to the inside of the mounting frame (1). The positioning plate (4) is fixedly connected to the bottom of the moving plate (16). The threaded rod (5) is rotatably connected to the positioning plate (4). The moving sleeve (7) is threaded onto the outer surface of the threaded rod (5). The moving block (6) is rotatably connected to the mounting frame (1). The outer surface of the movable sleeve (7) is fixedly connected to the bottom of the movable block (6), the mounting plate (12) is fixedly connected to the bottom of the movable block (6), the rotating shaft (13) is rotatably connected to the inside of the mounting plate (12), the third motor (14) is fixedly connected to the mounting plate (12), the output end of the third motor (14) is fixedly connected to the rotating shaft (13), the output shaft of the third motor (14) passes through the mounting plate (12) and is rotatably connected to the mounting plate (12), and the slitting blade (15) is fixedly sleeved on the outer surface of the rotating shaft (13).
2. The slitting device for producing copper foil for lithium batteries according to claim 1, wherein the outer surface of the movable sleeve (7) is fixedly fitted with a limiting ridge (8), and the interior of the movable block (6) is provided with a limiting groove (9) that is adapted to the limiting ridge (8).
3. The slitting device for producing copper foil for lithium batteries according to claim 1, wherein the number of positioning plates (4) is two and they are respectively located on both sides of the moving plate (16).
4. A slitting device for producing copper foil for lithium batteries according to claim 1, wherein a push rod motor (18) is fixedly connected to the top of the mounting frame (1), an electric push rod (19) is fixedly connected to the output end of the push rod motor (18), and the bottom of the electric push rod (19) is fixedly connected to the moving plate (16).
5. A slitting device for producing copper foil for lithium batteries according to claim 1, wherein a rectangular block (10) is fixedly connected to the top of the moving block (6), and an installation groove (17) is provided at the bottom of the moving plate (16), and the rectangular block (10) is slidably connected to the installation groove (17).
6. A slitting device for producing copper foil for lithium batteries according to claim 1, wherein a first motor (2) is fixedly connected to the surface of the mounting frame (1), and a rotating roller (3) is fixedly connected to the output end of the first motor (2), and the rotating roller (3) is rotatably connected to the mounting frame (1).