Rolled product processing apparatus

A processing device and technology for rolled products, applied in the field of rolled product processing devices, can solve problems such as pole piece collapse, reduction of cell processing quality, and wrinkling.

Active Publication Date: 2017-07-18
CONTEMPORARY AMPEREX TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the related technology, when the wound battery is separated from the winding needle, the tension applied to the battery by the winding needle disappears. At this time, a cavity appears in the center of the battery, and the pole piece will produce a hole toward the center of the cavity. Shrinkage deformation at the position, which will cause the pole piece to collapse and wrinkle, reducing the processing quality of the battery

Method used

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  • Rolled product processing apparatus
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Embodiment Construction

[0072] The present application will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0073] Such as Figure 1-6 As shown, the present application provides a rolling product processing device, and the rolling product may be a paper roll, a plastic roll, etc., and the present application takes a wound battery as an example for illustration.

[0074] The processing device includes a rolling needle 1 and a shaping mechanism 2. The rolling needle 1 is used to roll the pole pieces into the battery core 10, and the shaping mechanism 2 is used to shape the battery core 10 to avoid shrinkage and deformation of the pole pieces in the battery core 10. , reducing the processing quality of the battery cell 10 .

[0075] Specifically, such as figure 2 As shown, the shaping mechanism 2 includes a movable part 21, a first acting part 22 and a second acting part 23, wherein the movable part 21 is connected with at least one...

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PUM

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Abstract

The invention relates to a rolled product processing apparatus. The processing apparatus comprises a roll needle and a shaping mechanism, wherein the shaping mechanism comprises a movable part, a first acting part and a second acting part, wherein the movable part is connected with at least one of the first acting part and the second acting part; the movable part has an effect of enabling the first acting part and the second acting part to generate a stretching stroke to be far from each other relatively; accommodating grooves used for accommodating the first acting part and the second acting part respectively are formed in the outer surface of the roll needle; in the stretching stroke, the first acting part and the second acting part can apply acting forces of opposite directions to the rolled product so as to stretch the rolled product; and at the starting end of the stretching stroke, the first acting part and the second acting part are both positioned in the corresponding accommodating grooves. By virtue of the scheme, shrinkage deformation amount of the rolled product to a hollow part of the rolled product is reduced, so that the processing quality of the rolled product, such as a wound cell, can be improved consequently.

Description

technical field [0001] The present application relates to the field of rolled product processing, in particular to a rolled product processing device. Background technique [0002] With the rapid development of battery technology, on the one hand, it is necessary to improve the production efficiency of batteries, and on the other hand, it is necessary to reduce the manufacturing cost of batteries. However, as a key process in the cell manufacturing process, the winding process is one of the important factors to improve the production efficiency of the cell and reduce the production cost. [0003] In the related technology, when the wound battery is separated from the winding needle, the tension applied to the battery by the winding needle disappears. At this time, a cavity appears in the center of the battery, and the pole piece will produce a hole toward the center of the cavity. Shrinkage deformation at the part, which will cause the pole piece to collapse and wrinkle, re...

Claims

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Application Information

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IPC IPC(8): H01M10/04
CPCH01M10/0409Y02P70/50
Inventor 王艺若黄吉军常洪文张小畏廖日辉
Owner CONTEMPORARY AMPEREX TECH CO
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