Ultrahigh molecular weight polyethylene extrusion mold core

The utility model discloses an ultra-high molecular weight polyethylene extrusion mold core. The mold core is provided with an X direction, a Y direction and a Z direction which are mutually orthogonal, the mold core is provided with a glue inlet end and an extrusion end, and the glue inlet end and the extrusion end are arranged at the two ends of the mold core in the X direction respectively; the mold core is provided with a flow channel structure, the flow channel structure comprises a transition flow channel, a shaping flow channel and a plurality of gradually-shrinking flow channels, the transition flow channel, the shaping flow channel and the gradually-shrinking flow channels all extend in the X direction, the transition flow channel communicates with the gradually-shrinking flow channels, the gradually-shrinking flow channels are sequentially arranged in the X direction, and the gradually-shrinking flow channels conduct multiple times of shaping on materials; enabling the material to gradually form a r