"Guowei"brand stack lifter is an assistant equipment of the paper cutter, it can equip with the paper cutter individually, or equip with the paper cutter together with other cutting equipments, so that to compose the production line what suitable for all kinds of cutting technology process, be controlled by IR photo-electric switch, to make sure the paper material keep in high position automatically that choose in advance, so that easily to load paper, and offload paper, to avoid the unwieldy operation of carrying the paper material. Heighten the working efficiency, and exploit potential of the program-control paper cutter. There is idler wheel and fixed screw equip with the machine, it can move and stop at casually.