Bidirectional orientation plastic pipe extruder head

The utility model provides a bidirectional orientation plastic pipe extruder head. The utility model relates to the field of plastic molding equipment parts. The machine head is characterized by comprising a machine head body, a core shaft which is sleeved in the machine head body and is spaced from the machine head body, and a fixed core shaft which is sleeved in the core shaft and is spaced fromthe core shaft, wherein a bearing is arranged between the machine head body and the mandrel, the machine head body is connected with an outer ring of the bearing, the mandrel is connected with an inner ring of the bearing, and a gear is arranged on the outer side surface of the mandrel; one side of the machine head body is connected with an end cover, and one side of the end cover is connected with the mouth mold; a core rod is arranged in the neck mould, a gap is reserved between the core rod and the neck mould, and one end of the mandrel penetrates out of the end cover and then is connectedwith the core rod. Accord