Grinding and polishing device convenient to adjust and used for steel spoke machining

The utility model relates to the technical field of steel spoke machining, and discloses a steel spoke machining grinding and polishing device convenient to adjust, which comprises a base, a first equipment groove is formed in the upper surface of the base, and a first servo motor is fixedly connected to the inner bottom surface of the first equipment groove close to the front end; a gear is fixedly connected to the output end of the first servo motor, a fixing plate is slidably connected to the middle of the inner bottom face of the first equipment groove, a sliding groove is formed in the middle of the inner wall of the rear end of the first equipment groove, a sliding block is slidably connected into the sliding groove, and a rack is fixedly connected to the middle of the front side wall of the fixing plate. Grooves are formed in the positions, close to the four edges, of the upper surface of the fixing plate correspondingly, and second telescopic rods are fixedly connected into the four grooves correspond