Full-automatic die cutting machine for pole piece

Abstract

The invention relates to a full-automatic die cutting machine for a pole piece. The full-automatic die cutting machine comprises a front die cutting mechanism and a rear die cutting mechanism, wherein the front die cutting mechanism comprises an unreeling device, a deviation correcting sensor, a first tension regulating device, first transition rollers, a deviation correcting device and a pole piece blanking cutting die device, and the rear die cutting mechanism comprises a main driving device, a length measuring device, second transition rollers, a second tension regulating device and a reeling device; a first material storing device is arranged between the deviation correcting device and the pole piece blanking cutting die device, and a second material storing device is arranged between the main driving device and the length measuring device; the first material storing device comprises a first storage piece floating roller and a first lifting mechanism, and the first storage piece floating roller can be driven to move upwards or downwards by the first lifting mechanism; the second material storing device comprises a second storage piece floating roller and a second lifting mechanism, and the second storage piece floating roller can be driven to move upwards or downwards by the second lifting mechanism. Through the use of the full-automatic die cutting machine disclosed by the invention, the pole piece blanking efficiency is improved, and the efficiency of blanking pole pieces of lithium batteries is ensured.

Description

technical field [0001] The invention relates to a fully automatic pole piece die-cutting machine, which belongs to the technical field of lithium battery manufacturing equipment. Background technique [0002] At present, power lithium batteries are favored by the market for their advantages of large capacity, small size, and many charging cycles. [0003] During the manufacturing process of the power lithium battery, the cut pole piece needs to be wound to form a battery cell, and the pole piece die-cutting machine is used to cut the edge of the lithium battery pole piece to form a tab. At present, the pole piece die-cutting machine is mainly composed of unwinding, winding and punching knife die. The unwinding device unwinds the pole piece to be cut, and the punching knife die device punches the edge of the pole piece. The existing die-cutting equipment has the disadvantage that the winding and punching pole piece actions cannot be carried out at the same time, which affect...

AI Technical Summary

Problems solved by technology

At present, the pole piece die-cutting machine is mainly composed of unwinding, winding and punching knife die. The unwinding device unwinds the pole piece to be cut, and the punching knife die device punches the edge of the pole piece. The pole piece winding, the existing die-cutting equipment has the problem of winding and punching the pole piece action can not be carried out at the same time, which affects the efficiency of punching the pole piece

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