中文
Fully automatic cutting and stacking machine (lithium metal)

Fully automatic cutting and stacking machine (lithium metal)

Equipment Model

Function Introduction

The equipment is mainly used for stacking square lithium-ion battery cells. The negative electrode roll is subjected to overall correction, tension control, and hardware punching to stack the positive and negative electrode sheets and separator into cells through the stacking process. After the cells are formed, the separator is finished, and then the adhesive is applied and the material is cut.

Equipment Performance

The laminated metal lithium electrode sheet adopts automatic feeding of coil material, equipped with unwinding correction and overall correction functions;

The mold adopts an integrated molding die for punching and cutting, with high dimensional accuracy in the forming of the polarizer;

The mold power is driven by servo and cam linkage, which works synchronously with the main drive roller to effectively provide production efficiency and avoid interference problems;

The mechanism automatically separates the negative electrode sheet from the film, and the negative electrode sheet is transported to the handling position by the transport mechanism, while the film is automatically collected;

The negative electrode is equipped with dual carriers, effectively ensuring the production efficiency of the equipment;

The positive electrode is fed with a magazine and automatically transported and stacked by machinery;

Parameters

ProjectParameter
PowerThree phase five wire system AC380V ± 10%, frequency 50Hz, total power 15KW

Air compression

0.5-0.8MPa, internet traffic ≤600L/min
Vacuum demand

150L/min, docking pipeline: 1 direct 12mm interface

Cell size

Max: L160*W100mm,Min: L55*W40mm Can be designed according to customer requirements

Die cutting efficiency≥20PPM (When the feeding length is ≤ 80mm)
Forming accuracy≤±0.03mm
Burr size

Horizontal ≤12μm

Longitudinal ≤12μm

Mold lifespanOver 1 million times (with guaranteed burr level), it can be polished 10 times
Unwinding correctionCorrection stroke ≥ ± 25mm, accuracy ≤± 0.1mm

Extreme tension

0-100N, stable operation with tension fluctuation of ≤± 5%

Pole positioning accuracy

≤±0.2mm

Positioning platform layout rate

≤0.3%

Diaphragm tension0-10N, fluctuate ≤±5%
Alignment accuracy of adjacent polarizerCenter deviation ≤±0.3mm
Overall alignment accuracy of battery cellsCenter deviation ≤±0.5mm


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Address: No.32 Guangchang North Road, Gaobu Town, Dongguan City, Guangdong Province

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