Electrode plate unwinding mechanism applied to lithium battery processing

Abstract

The invention discloses an electrode plate unwinding mechanism applied to lithium battery processing. The mechanism comprises two side supports which are respectively mounted on two sides of unwinding equipment for bearing and mounting, two mounting shafts are arranged between the two side supports, and the two mounting shafts are horizontally arranged and are perpendicular to the unwinding direction of an electrode plate; compression rollers are arranged on the two mounting shafts, and a mechanical deviation monitoring part is arranged between the two compression rollers. Compared with the prior art, the electrode plate unwinding mechanism applied to lithium battery processing has the advantages that the mechanical deviation monitoring part is arranged and is matched with a deviation rectifying roller in use, in the whole machining and unwinding process of the electrode plate, mechanical displacement can be provided by changing the actual walking position of the electrode plate, deviation correction is triggered through the mechanical displacement, a traditional sensor type deviation correction mode is abandoned, the deviation correction precision in the unwinding process of the electrode plate is effectively improved, and high-quality unwinding use is guaranteed.

Description

technical field [0001] The invention relates to the technical field of electrode sheet production and processing, in particular to an electrode sheet unwinding mechanism applied to lithium battery processing. Background technique [0002] Lithium battery is a battery that uses lithium metal or lithium alloy as the negative electrode material and uses non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become the mainstream. Unlike rechargeable batteries, lithium-ion batteries and lithium-ion polymer batteries, lithium battery electrode sheets need to be unwound during production and processing for coating, Gluing and cutting use. [0003] At present, in the process of unwinding and unwinding the electrode sheet, this kind of winding and unwinding device is often accompani...

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Problems solved by technology

[0003] At present, in the process of unwinding and unwinding the electrode sheet, this kind of winding and unwinding device is often accompanied by the problem of shifting and shifting the electrode sheet, and the offset electrode sheet will seriously affect its high-quality winding and normal processing and use. Therefore, on this type of winding device, a deviation correction device is generally installed to ensure high-quality winding and unwinding of the electrode sheet.

[0004] However, at present, most of the deviation correction devices on this type of winding and unwinding device use the visual sensor to cooperate with the movement of the rolling roller to achieve deviation correction, but the electrode sheet is in a state of continuous action during the winding and unwinding process, that is, continuous vibration, which affects the visual sensor. The sensing accuracy will affect its deviation correction effect. Therefore, we propose an electrode sheet unwinding mechanism for lithium battery processing.

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