The present utility model discloses an injection blow molding machine with a barrel heat recovery mechanism, comprising a frame, on which a barrel is arranged; a heating cylinder is arranged in the barrel, a plurality of heating components are arranged on the outer periphery of the heating cylinder, a screw is rotatably arranged in the heating cylinder, and a rotation driving mechanism is arranged at one end of the screw extending out of the barrel. A hopper is arranged on the frame, a discharging pipe is arranged at the lower part of the hopper, a discharging valve is arranged on the discharging pipe, a feeding port is arranged on the barrel and connected with the discharging pipe, and a discharging die head assembly is arranged on the barrel. A plurality of fans are arranged above the barrel, a connecting pipeline communicating the inner cavities of the hopper and the barrel is arranged between them, at least one temperature sensor is arranged in the barrel and electrically connected with a control unit, and the fans are electrically connected with the control unit. The control unit controls the fans to start when the temperature in the barrel exceeds a limit value.

Country Code: CN

Application Number: CN202022499311.0