A side rubber wrapping device for a square lithium battery cell
A technology of encapsulating device and lithium battery, applied in secondary battery, electrolyte storage battery manufacturing, non-aqueous electrolyte storage battery, etc., can solve the problems of difficult control of rubber pulling length, folding of insulating film, short circuit of cell, etc. Small space, fast encapsulation, and promotion effect
Active Publication Date: 2022-01-07
HEFEI GUOXUAN HIGH TECH POWER ENERGY
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Problems solved by technology
This method has the following disadvantages: (1) The length of the glue is not easy to control, so that the insulating tape after the rubber wrapping is oversized and placed on the cover plate, which will directly lead to defects such as explosion points during welding around the cover plate; ( 2) Starting from the end of the battery cell to wrap the glue, it will cause the insulation film at the end of the battery cell to fold, which will cause bad problems such as short circuit of the battery cell
Method used
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[0029] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0030] A side rubber covering device for a square lithium battery cell, comprising a bottom plate 1, a left bracket 2 and a right bracket 3 fixed on the bottom plate 1, and a jaw fixed on the bottom plate 1 and located between the left bracket 2 and the right bracket 3 Cylinder 4, driving motor 5 and two left bearings fixed on the left bracket 2, two right bearings fixed on the right bracket 3, first transmission shaft 6, second transmission shaft 7, sleeved an...
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The invention discloses a side surface rubber covering device of a square lithium battery cell, comprising a base plate, a left bracket and a right bracket fixed on the base plate, a jaw cylinder fixed on the base plate and located between the left bracket and the right bracket, a fixed The driving motor on the left bracket, the first transmission shaft, the second transmission shaft, the driving gear fitted and fixed on the first transmission shaft, the passive gear fitted and fixed on the second transmission shaft, two left swing rods, Two right swing rods, two supporting shafts, two driven shafts, two covering rollers respectively fitted and fixed on the corresponding supporting shafts, and a left splint and a right splint connected with the jaw cylinder. The invention drives the transmission shaft to rotate through the drive motor, and the transmission shaft drives the support shaft to move along the guide hole on the splint through the swing rod, so that the rubber-covering roller rolls the insulating tape to cover the side of the battery core. The invention has a simple structure and Encapsulation is fast and effectively reduces the occurrence of defective encapsulation.
Description
technical field [0001] The invention relates to the technical field of lithium battery production, in particular to a side surface rubber wrapping device of a square lithium battery cell. Background technique [0002] At present, before the square lithium battery cell is put into the shell, the surface of the cell is covered with insulating tape to reduce the short circuit rate of the shell, which is called "wrapping large glue" process. [0003] The current wrapping method is as follows: After the tape is pulled out for a certain distance, place the tail of the battery cell in the middle of the entire length of the tape, and then wrap it from the tail of the battery cell to the cover. This method has the following disadvantages: (1) The length of the rubber is not easy to control, so that the insulating tape after the rubber coating is oversized and placed on the cover plate, which will directly lead to defects such as explosion points during welding around the cover plate;...
Claims
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IPC IPC(8): H01M10/0525H01M10/058
CPCH01M10/058H01M10/0525Y02E60/10Y02P70/50
Inventor 高冲程辉
Owner HEFEI GUOXUAN HIGH TECH POWER ENERGY