Robot stacking device

The utility model relates to a robot stacking device which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a fixing seat, the upper end of the fixing seat is provided with a mechanical gripper, one side of the fixing seat is provided with a supporting plate, the bottom plate is provided with two vertical square grooves and a transverse square groove, and the transverse square groove is provided with two vertical square grooves. The side walls of the two vertical square grooves are rotationally connected with first round rods. Through the first rotating plate and the second rotating plate, the first rotating plate and the second rotating plate are in a vertical state, at the moment, a square container with an opening in the upper portion is formed under the action of the first rotating plate, the second rotating plate, the fixing base and the supporting plate, and a packing box on the supporting plate is supported; and the placing positions of the packaging boxes are a