A heating and extrusion mechanism for a blow molding machine comprises a transmission device, a feeding device, a barrel and a screw. The screw is movably sleeved in the barrel, both ends of the screw are in interference fit with inner rings of bearings, the feeding device is connected to one end of the barrel, and the transmission device is drivingly connected to the screw. A heat insulation layer is attached to the periphery of the barrel, and an induction coil is arranged outside the heat insulation layer. The induction coil is connected to a high-frequency AC power supply. The transmission device consists of a motor, a speed changer and a transmission mechanism, and the heat insulation layer is made of heat insulation cotton. The utility model has the beneficial effects of integrating heating, heat preservation and feeding, rapid heating, reduced heat loss, energy conservation and environmental protection.
Area Code: CN
Application Number: CN201220712771.X
