Polishing device for titanium alloy automobile hub bolt machining

The utility model provides a polishing device for machining titanium alloy automobile hub bolts, which is characterized in that a fixing block is integrally formed on the upper end face of a base, a mounting groove is arranged on the upper end face of the fixing block, a polishing component is arranged in the mounting groove, a downwards concave sliding groove is arranged on the upper end face of the base, and the polishing component is arranged in the sliding groove. Sliding grooves are formed in the left end face of the base, a driving shaft and a driven shaft are rotationally connected into the sliding grooves correspondingly, a connecting belt is rotationally connected to the outer wall of the driving shaft and the outer wall of the driven shaft, a plurality of convex teeth are fixedly arranged on the outer wall of the connecting belt, and a clamping assembly is movably connected to the convex teeth; according to the bolt polishing device, the polishing assembly is arranged, bolts can be polished, through