Polishing device for welding part machining

The utility model relates to the technical field of polishing, in particular to a polishing device for welding part machining, which comprises a base, an angle adjusting component is fixedly connected to the middle of the top end of the base, the angle adjusting component comprises a handle, a circular seat, a rotating rod and a bearing seat, and the rotating rod is fixedly connected to the top end of the circular seat. The top end of the rotating rod is fixedly connected with a bearing seat, and one side of the bearing seat is fixedly connected with a handle. Through the arrangement of the handle, the circular seat, the rotating rod and the bearing seat, when the polishing device is used, the bearing seat is manually driven through the handle, then the rotating rod is driven through the bearing seat, so that the polishing device can rotate, and through the arrangement of the circular seat, the effects that the angle of a polishing material can be rotated, and workers can work conveniently are achieved; and t