Liquid injection pretreatment equipment
A pretreatment and equipment technology, applied in the field of liquid injection pretreatment equipment, can solve the problems of shortening the time of the liquid injection process and improving the effect of the liquid injection, the effect is not good, and it is not obvious
Pending Publication Date: 2022-07-12
WUXI LEAD INTELLIGENT EQUIP CO LTD
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Problems solved by technology
[0004] Based on this, it is necessary to solve the problem that the pre-treatment effect of the liquid injection on the battery in the prior art is not good, and the effect of shortening the time of the liquid injection process and improving the effect of the liquid injection is not obvious. Liquid pretreatment equipment
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[0053] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.
[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Countercl...
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The invention relates to liquid injection pretreatment equipment. The liquid injection pretreatment equipment comprises a first conveying device and a second conveying device, wherein the first conveying device is used for conveying a supporting cup loaded with a battery to a pressure increasing and releasing station; the pressure increasing and relieving device is arranged corresponding to the pressure increasing and relieving station and is used for carrying out pressure increasing and relieving treatment on the battery on the supporting cup conveyed to the pressure increasing and relieving station; the second conveying device is arranged on the downstream portion of the pressure increasing and relieving device and used for conveying the supporting cups on the pressure increasing and relieving station to the downstream portion and enabling the supporting cups to pass through the sheet inserting station. And the sheet inserting device is arranged corresponding to the sheet inserting station and is used for inserting the insulating sheet into the battery on the supporting cup of the sheet inserting station. According to the liquid injection pretreatment equipment, pressurization and pressure relief treatment is carried out on a battery without an insulation sheet, and the insulation sheet is inserted into the battery after pressurization and pressure relief treatment is completed, so that pressurization and pressure relief treatment on the battery with the insulation sheet inserted is avoided, and the liquid injection pretreatment effect is improved; the time of a liquid injection procedure is greatly shortened; and the liquid injection effect is improved.
Description
technical field [0001] The invention relates to the technical field of battery manufacturing, in particular to a pre-treatment equipment for liquid injection. Background technique [0002] During the manufacture of a battery (eg, a cylindrical battery), it is necessary to inject an electrolyte into the interior of the battery. In order to shorten the time of the liquid injection process and improve the liquid injection effect, it is generally necessary to pre-treat the battery before the liquid injection, that is, pressurize and depressurize the cells inside the battery one or more times to expand the gap between the pole pieces. The gap makes the winding degree of the pole piece looser, so as to improve the wetting degree of the pole piece during liquid injection, improve the liquid injection effect, and shorten the time of the liquid injection process. [0003] However, the pretreatment effect of the battery in the prior art is not good, and the effect of shortening the t...
Claims
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IPC IPC(8): H01M50/618
CPCH01M50/618Y02P70/50
Inventor 不公告发明人
Owner WUXI LEAD INTELLIGENT EQUIP CO LTD