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Novel diaphragm tension control roller

A tension control and diaphragm technology, which is applied to devices and coatings that apply liquid to the surface, can solve problems such as failure to solve diaphragm damage, and achieve the effect of facilitating subsequent operations, ensuring quality, and increasing adsorption area.

Pending Publication Date: 2018-01-05
无锡唯勒科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the comparison file still cannot solve the problem of diaphragm damage

Method used

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  • Novel diaphragm tension control roller

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Embodiment Construction

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0022] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating ...

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Abstract

The invention discloses a novel diaphragm tension control roller which comprises an inner barrel and an outer barrel, wherein the inner barrel and the outer barrel are in mutual rotary connection, theinner barrel and the outer barrel are coaxially arranged, an adsorption space is formed between the outer surface of the inner barrel and the inner surface of the outer barrel, and the adsorption space is used for accommodating a diaphragm; a protection film is at least arranged on the outer surface of the inner barrel and in the adsorption space, the protection film can form an adsorption face,and the diaphragm is arranged on the adsorption face; a plurality of vacuum adsorption holes are formed in the surface of the inner barrel, and the vacuum adsorption holes are used for adsorbing the diaphragm. According to the novel diaphragm tension control roller disclosed by the embodiment of the invention, an adsorption area is increased by improving an amount of the vacuum adsorption holes, the diaphragm can be more stably arranged on the inner barrel, and follow-up operation is more facilitated. Meanwhile, the protection film can prevent the diaphragm from being scratched by the surfaceof the inner barrel in a tensioning or moving process, and the quality of the diaphragm is guaranteed.

Description

technical field [0001] The invention relates to the field of battery coating, in particular to a novel diaphragm tension control roller. Background technique [0002] The positive electrode substrate of the lithium-ion battery is aluminum foil, and the negative electrode substrate is copper foil. After coating, the positive electrode sheet roll and the negative electrode sheet roll are made into the next process for processing. Generally, during coating, the diaphragm is tensioned by the diaphragm tension control roller, and then the coating operation is performed. [0003] The existing diaphragm tension control roller outer ring has low machining precision, large surface runout, scattered distribution of vacuum adsorption holes on the adsorption surface, small adsorption area, unstable adsorption force, direct contact between the diaphragm and the adsorption surface, and the surface of the diaphragm is prone to scratches, affecting The surface accuracy of the diaphragm is ...

Claims

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Application Information

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IPC IPC(8): B05C13/02
Inventor 张文献
Owner 无锡唯勒科技有限公司
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