Pole piece edge material crushing device capable of improving dust cleaning after slitting

The utility model discloses a pole piece edge material crushing device for improving dust cleaning after slitting, and relates to the technical field of pole piece processing, the pole piece edge material crushing device comprises a base and a protective cover, one side of the inner surface of the base is rotatably provided with a first two-way screw rod through a bearing, and the other side of the inner surface of the base is fixedly provided with a guide rod; movable blocks are arranged on the surfaces of the guide rod and the first two-way screw rod, and the movable block on one side is in threaded connection with the first two-way screw rod. Compared with an existing common pole piece edge crushing device, the pole piece edge crushing device for improving dust cleaning after slitting has the advantages that a driving motor enables a first two-way screw rod to rotate, a movable block can drive a protective cover to move oppositely under the limitation of a guide rod, a closed space is formed, a corrugated