Novel winding needle mechanism

A new type of winding needle technology, applied in the field of battery core winding, can solve the problems of difficult production, complex structure, poor reliability of diaphragm clamping, etc., to simplify winding action, reduce deformation, and improve production efficiency and technology. horizontal effect

Pending Publication Date: 2020-12-22
DONGGUAN HEMING MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing winding needle mechanism can realize the clamping, opening, closing, stretching and retracting of the winding needle, which basically meets the production of winding batteries, but its structure is relatively complicated, the production is difficult, and the reliability of diaphragm clamping is not good, which affects the battery. quality and equipment efficiency

Method used

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Embodiment Construction

[0019] Special Note, Figure 5 The arrow on the left indicates the movement direction of the needle nozzle, and the arrow on the right indicates the movement direction of the needle rolling assembly. Figure 6 Arrows indicate the direction of insertion.

[0020] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0021] As shown in Figure 1-6, the structure setting of a new type of needle rolling mechanism provided by this embodiment:

[0022] Structural main body 1, the structural main body 1 is composed of a needle roll connector 2, a needle roll assembly 3 and a needle tip 4, the needle tip 4 is arranged at the head end of the needle roll assembly 3, and the needle roll connector 2 Located at the tail end of the needle roller assembly 3, the needle roller assembly 3 includes a first inner needle 301, ...

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Abstract

The invention discloses a novel winding needle mechanism which comprises a structure body, the structure body is composed of a winding needle connector, a winding needle assembly and a needle nozzle,the needle nozzle is arranged at the head end of the winding needle assembly, the winding needle connector is arranged at the tail end of the winding needle assembly, and the winding needle assembly comprises a first inner needle, a second inner needle, winding needle main pieces and auxiliary pieces. The first inner needle and the second inner needle are vertically overlapped, the first inner needle and the second inner needle are sleeved with the winding needle main pieces respectively, the auxiliary pieces are installed on the two sets of winding needle main pieces through pins, a winding needle connector pin and a winding needle compression spring are arranged in the winding needle connector, and an inserting piece is further arranged in the winding needle connector. The winding needlemechanism is simple in structure, reliable in mounting and positioning and high in diaphragm clamping stability; meanwhile, the winding needle further has an inserting piece function, an inserting piece is pushed out after a battery cell is wound around several circles, then winding is continued, deformation of the battery cell in the follow-up procedure is reduced, and the quality of the batterycell is guaranteed.

Description

technical field [0001] The invention relates to the technical field of lithium ion battery cell winding, in particular to a novel needle winding mechanism. Background technique [0002] As a green energy source, lithium-ion batteries have been widely used as power sources for mobile devices such as wireless communications, digital cameras, and notebook computers, and are also used in mopeds, electric bicycles, electric tools, hybrid vehicles, pure electric vehicles, and energy storage power supplies. The power source has a very broad application prospect. [0003] The lithium-ion battery winding production process plays a very important role in the quality of the lithium-ion battery. The winding needle in the lithium-ion battery winding machine used in the prior art is an important component of the winding battery electrode group. Its clamping The precision control of winding directly affects the quality of the winding core of lithium-ion batteries, including the safety, co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0587H01M10/04
CPCH01M10/0409H01M10/0587Y02E60/10Y02P70/50
Inventor 黄立斌柳杰
Owner DONGGUAN HEMING MACHINERY
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