Commutator pressure injection die

The utility model discloses a commutator pressure injection die. An upper die is mounted on an upper die fixing plate; a die cavity is arranged on a middle template; a lower die and a lower die core are mounted on a lower die fixing plate; the commutator pressure injection die is characterized by also comprising a vertically-arranged top plate, a pressure head fixing plate, a pressure head, a material room side plate, a middle die base plate, a lower die base plate, a bottom plate and upper and lower guide columns; the top plate, the pressure head fixing plate, the pressure head and the upper guide column are fixedly connected; the material room side plate is arranged on the upper guide column in a sliding manner; a guide sleeve and a stop block are arranged at the lower section of the upper guide column; the middle die base plate is arranged on the guide sleeve in a sliding manner; the upper die fixing plate is fixedly connected with the material room side plate, and a material room of the pressure injection