Polishing machine for draw bar production of draw-bar box

The utility model relates to the technical field of draw-bar box draw bar production, in particular to a grinding machine for draw-bar box draw bar production, which comprises a grinding cover, rotating covers are fixedly connected to the four sides of the side face of the grinding cover, grinding rollers are arranged in the rotating covers, and a driving frame is fixedly connected to one end of the grinding cover. One end of the polishing cover is fixedly connected with a first limiting ring seat, the other end of the polishing cover is fixedly connected with a second limiting ring seat, and the four sides of the side faces of the first limiting ring seat and the second limiting ring seat are fixedly connected with buffering seats. Through the polishing cover, the rotating cover, the polishing roller, the driving frame, the driving gear sleeve, the driving seat, the driving gear and the driving motor, the equipment can carry out more adaptive all-dimensional rapid polishing operation, in the actual use proce