Packaging bag recycling device

The utility model discloses a packaging bag recycling device which comprises two supporting plates, a hot melting barrel is fixedly connected between the two supporting plates, a piston plate is movably arranged in the hot melting barrel in a sleeved mode, the bottom of the piston plate is fixedly connected with a discharging pipe, the bottom end of the discharging pipe is fixedly connected with a feeding pipe, and the bottom end of the feeding pipe is fixedly connected with a conveying belt. A first driving motor is arranged on the outer wall of one side of the feeding pipe, an output shaft of the first driving motor is fixedly connected with a feeding auger, a lifting plate is arranged at the bottom of the feeding pipe, a servo motor for driving the feeding pipe to rotate is arranged at the bottom of the lifting plate, and two screw rods are arranged in the lifting plate in a threaded and sleeved mode; the top end of the screw rod is rotationally connected with a transverse plate, and the transverse plate i