Motor shell polishing device

The invention relates to the field of motor manufacturing, in particular to a motor shell polishing device which comprises a base, a base and a collecting frame and further comprises a supporting frame, a telescopic mechanism is arranged at the upper end of the supporting frame, and a semicircular pressing plate is installed at the working end of the telescopic mechanism; the driving mechanism is mounted on the other side of the upper end surface of the base; a discharging mechanism is arranged above the material grinding device; a driven gear is rotationally mounted on the surface of the upper end of the sealing frame, and the driven gear is driven by a driving mechanism; the lower end of the motor shell is in rotating contact with the surface of the upper end of the extrusion plate, and a locking mechanism is arranged between the motor shell and the driven gear; and the feeding mechanism is arranged at the upper end of the driven gear. According to the grinding device, the inner wall and the outer wall of t