Plastic film printing machine

The utility model belongs to the technical field of plastic films, and particularly relates to a plastic film printing machine which comprises a box body, a material containing box and a water tank are arranged in the box body, a material discharging structure is arranged on one side of the material containing box, a material collecting structure is arranged on one side of the water tank, and the material discharging structure comprises a threaded rod. Sliding blocks are evenly connected to one side of the threaded rod in a threaded mode, and mounting bases are movably connected to the surfaces of the sliding blocks. The surface of the plastic film is dried through hot air blown out of the drying box, the effect is better than that of air drying through natural air, then the water cooling roller makes contact with the surface of the plastic film, the temperature of the plastic film is reduced in a water cooling mode, and then the natural air is blown to the surface of the plastic film through the fan, on one