Heat shrink packaging device

The utility model discloses a heat shrinkage packaging device which comprises a conveyor, a cover body is fixedly connected to the top of the conveyor, an electric heating pipe is fixedly connected to the interior of the cover body, a feeding port is formed in one side of the cover body, a discharging port is formed in the other side of the cover body, and a first fixing plate is fixedly connected to the top of the cover body. Two bidirectional screw rods are rotatably connected to the interior of the first fixing plate, the two bidirectional screw rods are symmetrically distributed, one end of each bidirectional screw rod is fixedly connected with a first gear, the other end of each bidirectional screw rod is rotatably connected with a second fixing plate, the second fixing plate is fixedly connected with the cover body, and a mounting plate is fixedly connected to the exterior of the first fixing plate; the energy-saving cover has the advantages that the feeding port and the discharging port in the two side