Copper ring injection molding device for ultrahigh-voltage electric slip ring machining

The utility model belongs to the technical field of processing of copper rings for electric slip rings, and particularly relates to a copper ring injection molding device for processing an ultrahigh-voltage electric slip ring, an injection molding device for carrying out injection molding on an inner cavity of a forming mold is arranged on the upper side of the forming mold, the injection molding device comprises a charging barrel, and a sealing plate is mounted at the lower end of the charging barrel. An injection molding head is arranged on the sealing plate, a motor is installed on the upper side of the charging barrel, an output shaft of the motor is connected with a transmission shaft, the transmission shaft is located in an inner cavity of the charging barrel, spiral blades are arranged on the outer wall of the transmission shaft, a heating base is installed on the outer side of the charging barrel, a heating plate is arranged in the heating base, and an inserting groove is formed in the lower end of th