Mixing head of single-screw extruder

The utility model discloses a mixing head of a single-screw extruder, relates to the technical field of extrusion screws, solves the problems that the mixing structure of the screws is single and the mixing requirements of various raw materials cannot be met at the same time, and improves the adaptability and mixing effect of the mixing head. According to the specific scheme, the screw rod comprises a screw rod body, a plurality of pin barriers and a plurality of screen hole barriers, the pin barriers and the screen hole barriers are fixedly arranged on the screw rod body, the pin barriers are located on the front section of the screw rod body, each pin barrier is provided with a plurality of pins arranged in the circumferential direction, and the pins of the adjacent pin barriers are arranged in a crossed mode; the screen hole barriers are located on the rear section of the screw rod body, a plurality of screen holes are formed in each screen hole barrier, and the screen holes are arranged in an X shape. 本实用