Production equipment and production process of pole piece
A technology of production equipment and production process, which is applied in the field of pole piece production equipment and its production process, can solve the problems of easy breakage in the empty foil area, achieve the effects of reducing scrap rate, reducing production cost, and avoiding breakage
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[0038] Example 1
[0039] Such as figure 1 As shown, a pole piece production equipment includes:
[0040] Unwinding mechanism 1;
[0041] The preheating mechanism 6, the preheating mechanism 6 is used to preheat the empty foil area. The preheating mechanism 6 is arranged between the roller pressing mechanism 2 and the unwinding mechanism 1. The preheating method is infrared preheating or electromagnetic induction through a heating column Warm up.
[0042] Rolling mechanism 2, the rolling mechanism 2 is used to roll the pole piece, the pole piece includes a film area with a film layer formed on its surface and an empty foil area without a film layer on its surface;
[0043] Stretching mechanism 3, which is used to stretch the pole piece;
[0044] Winding mechanism 4; and
[0045] The heating mechanism 5 is used for heating the empty foil area. The heating mechanism 5 is arranged between the rolling mechanism 2 and the stretching mechanism 3, and the heating method is infrared heating or e...
Example Embodiment
[0055] Example 2
[0056] Such as figure 2 As shown, a pole piece production process includes:
[0057] In the unwinding process, the pole piece is unrolled. The pole piece includes a film area with a film layer formed on its surface and an empty foil area with no film layer formed on its surface;
[0058] In the preheating process, the empty foil area is preheated. The preheating temperature is 60~100℃, more preferably 70~90℃, and most preferably 80℃. The preheating method is infrared preheating or electromagnetic induction by heating column Preheat
[0059] Rolling process: roll the film area to stretch the film area;
[0060] In the heating process, the empty foil area is heated, and the heating temperature is 150-350°C, more preferably 250-320°C, and most preferably 300°C. The heating method is infrared heating or electromagnetic induction heating through a heating column;
[0061] Stretching process, stretch the empty foil area to stretch the empty foil area;
[0062] Rewinding pr...
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