Printing and slitting device capable of conducting automatic arrangement

The printing slitting device comprises a base body, a cutting block, a pressing plate, a worm and a connecting rod, the side end of the base body is fixedly connected with a main shaft, a sliding groove is formed in the side end of the base body, the inner end of the sliding groove is connected with a sliding block, the middle end of the outer surface of the sliding block is fixedly connected with a supporting rod, and the middle end of the outer surface of the supporting rod is fixedly connected with the pressing plate. A cutting block is connected to the outer surface of the supporting rod, a shifting block is fixedly mounted at the side end of the cutting block, a pressing plate is fixedly connected to the side end of the sliding block, the tail end of the pressing plate is connected into a mounting block, and the mounting block is fixedly mounted at the side end of the outer surface of the base body. According to the printing slitting device capable of conducting automatic arrangement, the pressing plate