Polishing device for casting part finish machining

The utility model discloses a polishing device for casting part finish machining, which comprises a working table, a supporting rod fixedly mounted on the bottom surface of the working table, a mounting table fixedly mounted on the top surface of the working table, a connecting rod fixedly mounted on the side surface of the mounting table, a cooling component detachably mounted at the top end of the mounting table, and a rotating component fixedly mounted at one end of the connecting rod. A grinding assembly is detachably mounted in the rotating assembly, and the cooling assembly comprises a solution box. According to the scheme, the cooling assembly is arranged to be matched with the grinding assembly so that a workpiece can be rapidly cooled, flying chips can be subjected to accelerated falling treatment, therefore, the production quality of the workpiece can be kept in the production process, the anti-splashing effect is achieved, and the effect of improving the overall production efficiency of the device