Die polishing and cleaning device

The utility model discloses a mould polishing and cleaning device, which relates to the technical field of mould polishing and comprises a polishing and cleaning device main body, the polishing and cleaning device main body comprises a cleaning treatment box, a box opening and closing door is arranged at the top of the cleaning treatment box, and the polishing and cleaning device main body comprises a sound wave cleaning mechanism and a rotary polishing mechanism. The sound wave cleaning mechanism comprises a closed square sleeve shell. Through cooperation of internal structures of the sound wave cleaning mechanism, cleaning agents are added into the cleaning treatment box from opening and closing of the box door, electric power is output through the ultrasonic generator, the electric power is converted into mechanical power in cooperation with the transducer, on one hand, ultrasonic waves enter the cleaning treatment box from the longitudinal wave pipeline in a longitudinal wave mode, and on the other hand,