Device for slitting lithium battery copper foil by using FRP pipe
A copper foil and lithium battery technology, applied in the field of devices using FRP tubes to cut lithium battery copper foil, can solve the problems of easy generation of wrinkles, fish scales, horizontal folds, etc. The effect of small change in winding tension
Inactive Publication Date: 2021-07-02
JIUJIANG TELFORD ELECTRONICS MATERIAL CO LTD
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Problems solved by technology
[0003] Aiming at the problems in the related technologies, the present invention proposes a device for cutting lithium battery copper foil using FRP tubes, which solves the problem that existing lithium battery copper foils are prone to wrinkles, fish scales, horizontal folds, Even the problem of cross-winding phenomenon
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[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
[0014] Such as figure 1 As shown, a device for cutting lithium battery copper foil using FRP tubes according to the embodiment of the present invention includes a motor 2, which is connected to the unwinding machine 1 through transmission, and the unwinding machine 1 passes through several transmission mechanisms. It is connected with the winder 4, and the center of the winder 4 is provided with an FRP pipe body 6, and the winder 4 and the FRP pipe body 6 are connected by an air expansion sha...
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The invention discloses a device for slitting lithium battery copper foil by using an FRP pipe. The device comprises a motor, wherein the motor is in transmission connection with an unwinding machine, the unwinding machine is connected with a winding machine through a plurality of transmission mechanisms, an FRP pipe body is arranged in the center of the winding machine, the winding machine and the FRP pipe body are connected through an air expansion shaft, a bulge is arranged on the inner wall of the FRP pipe body, a groove is formed in the outer wall of the air expansion shaft, and after the air expansion shaft penetrates through the FRP pipe, the groove is gripped and fixed to the bulge. According to the device for slitting the lithium battery copper foil by using the FRP pipe, the FRP pipe can be prevented from falling off when the copper foil is wound, and the circumstance of messy winding or folding in the speed increasing process is avoided; and meanwhile, uneven winding caused by overlarge winding tension change can be prevented, and the slitting efficiency and the slitting quality of copper foil production are improved.
Description
technical field [0001] The invention relates to the technical field of lithium battery copper foil, in particular to a device for cutting lithium battery copper foil using an FRP tube. Background technique [0002] When the lithium battery copper foil uses the FRP tube to wind the raw foil section, the rotation of the gear and the control of the tension are generally used to wind the produced copper foil. However, as the slitting speed increases, the roll diameter becomes larger. Because the inside of the FRP tube is too smooth, the tension of the copper foil winding will change. The larger the roll diameter, the faster the speed, the more obvious the tension change, and even slippage Therefore, during the winding process, it is easy to produce wrinkles, fish scales, horizontal folds, and even stringing. Contents of the invention [0003] Aiming at the problems in the related technologies, the present invention proposes a device for cutting lithium battery copper foil usi...
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IPC IPC(8): B65H18/10B65H75/24B65H23/26B65H16/00B65H35/02
CPCB65H18/10B65H75/243B65H23/26B65H16/00B65H35/02B65H2701/10
Inventor 周加珍刘超宗道球江泱范远朋
Owner JIUJIANG TELFORD ELECTRONICS MATERIAL CO LTD