Novel rotor punching sheet of special motor for injection molding machine

The utility model provides a novel rotor punching sheet of a special motor for an injection molding machine, which comprises a punching sheet body, a shaft hole arranged at the central position of the punching sheet body, tooth grooves with outward openings arranged on the punching sheet body, and tooth parts formed among the tooth grooves, the tooth grooves are divided into a starting cage and an operation cage, the starting cage is close to the notch position, and the operation cage is close to the operation cage. The running cage is close to the position of the shaft hole, a fixing groove used for fixing the rotating shaft is formed in the inner wall of the shaft hole, a copper bar is placed in the running cage, and aluminum casting is carried out in the starting cage. As the rotor punching sheet of the novel special motor for the injection molding machine adopts the double squirrel cage grooves, the copper bars are inserted into the operation cage, the cast aluminum structure is used in the starting cage,