Parallel double-hole machine barrel screw

The utility model relates to the technical field of machine barrel screw rods, in particular to a parallel double-hole machine barrel screw rod which comprises a machine barrel, an exhaust through hole is formed in the top of the machine barrel, two screw rods are rotationally connected in the machine barrel, each screw rod comprises a rod body, the rod body is in a cylindrical shape, and the exhaust through hole is formed in the top of the machine barrel. The rod body is sequentially provided with a feeding section, a stirring and mixing section and a spiral pressurizing section from right to left, the stirring and mixing section comprises first spiral teeth, the first spiral teeth are located below the exhaust through hole, and the first spiral teeth are fixedly arranged on the outer surface of the rod body in a sleeving mode. The rod body is cylindrical, and the screw rod is divided into the feeding section, the stirring and mixing section and the spiral pressurizing section, so that heated materials can b