Packing machine

The utility model relates to a packing machine which comprises a support, an opening is formed in one side of the support, a sliding plate movably connected with the support is arranged at the bottom in the support, a plurality of universal wheels are arranged at the four corners of the bottom of the sliding plate, and limiting strips matched with the inner wall of the support are arranged on the edge of the side wall of the sliding plate in a protruding mode. Limiting grooves allowing the limiting strips to be slidably inserted are formed in the inner wall of the support, a sleeve is arranged above the sliding plate, the sleeve is vertically through, a first hydraulic rod used for driving the sleeve to vertically move is arranged at the top end of the inner wall of the support, and a pressing plate corresponding to an inner cavity of the sleeve is arranged above the sleeve; the pressing plate moves up and down through a second hydraulic rod, a groove corresponding to the lower end of the sleeve is formed in