Extruder for research and development of scratch-resistant mineral-filled polypropylene

The utility model relates to an extruder for research and development of scratch-resistant mineral-filled polypropylene, which belongs to the technical field of extruders and comprises an extrusion die head and a mounting shell, a plurality of clamping blocks are arranged on the outer side wall of the extrusion die head, a plurality of sliding grooves are formed in the inner wall of the mounting shell, and the sliding grooves are in sliding connection with the clamping blocks. A clamping groove is further formed in the inner wall of the end, away from the extrusion die head, of the mounting shell, the clamping groove is connected with the clamping block in a clamped mode, the clamping groove communicates with the sliding groove, and a fixing assembly is arranged at the end, away from the extrusion die head, in the clamping groove. The extruding machine for research and development of the scratch-resistant mineral-filled polypropylene can solve the problems that in the prior art, when a worker replaces an extr