Cone crusher

The invention relates to the technical field of ore reduction, in particular to a cone crusher. The cone crusher comprises a movable cone body, fixed cone bodies are arranged outside the movable cone body, and an eccentric shaft sleeve is connected inside the movable cone body in a sleeved mode and is connected to an electromotor through a transmission device; and the movable cone body comprises a main movable cone body, at least one groove is formed in the outer surface of the main movable cone body, a telescopic grinding rod is arranged at the bottom of the groove, a grinding pressing plate is arranged at one end of the telescopic grinding rod, the other end of the telescopic grinding rod is connected to a drive motor located inside the main movable cone body, and a plurality of grinding particles used for grinding ore are arranged on the outer side surface and the inner side surface of the grinding pressing plate. According to the cone crusher, the main movable cone body is provided with at least one groov