Grinding and polishing device for bolt machining

The utility model relates to the technical field of bolt processing, and provides a grinding and polishing device for bolt processing, which comprises an equipment frame, a grinding component arranged on the surface of the equipment frame, a plurality of rotating shafts rotatably connected in the equipment frame, a mounting driving component comprising a pair of back frames, a plurality of worms rotatably connected between the back frames, and a plurality of rotating shafts rotatably connected in the equipment frame. A first motor is installed on the side surface of the back frame, the output end of the first motor is connected with a worm, and a worm gear is fixedly connected to one end of the rotating shaft and meshed with the worm. According to the technical scheme, the problems that in the related technology, when the device grinds and polishes the surface of the bolt, the bolt cannot rotate, a grinding wheel can only grind and polish one part of the bolt, the automation degree is not high, the angle dire