Polishing device for motor shaft machining

The invention discloses a grinding device for motor shaft machining, and relates to the technical field of motor shaft grinding. Comprising a base, the base is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a first servo motor, the fixing frame is fixedly connected with a first sliding rod, the fixing frame is rotationally connected with a first lead screw, the first sliding rod is slidably connected with a first sliding frame in threaded connection with the first lead screw, and the first sliding frame is fixedly connected with a first push rod; a first sliding frame is fixedly connected to the first push rod, a second sliding frame is fixedly connected to the first push rod, rotating frames are fixedly connected to output shafts of the first lead screw and the first servo motor, transmission blocks are slidably connected to the rotating frames, matching frames matched with the adjacent transmission blocks are slidably connected to the rotating frames, and a belt is wound b