A plasticizing pre-device of a single-station full-automatic extrusion blow molding machine comprises an extrusion blow molding machine frame, a blow molding die and a plastic extruder are installed in the frame, and an extrusion head is arranged above the blow molding die. A pre-plasticizing barrel is installed between the extrusion outlet of the plastic extruder and the extrusion head, a feed inlet and a piston rod hole are formed at the top of the pre-plasticizing barrel, the feed inlet is communicated with the extrusion outlet of the plastic extruder, an extrusion oil cylinder is arranged on the pre-plasticizing barrel, a piston rod of an oil cylinder piston in the extrusion oil cylinder passes through the piston rod hole to drive an extrusion piston in the pre-plasticizing barrel, and the bottom of the pre-plasticizing barrel is connected with the extrusion head.
Country Code: CN
Application Number: CN201120415443.9
