Dustproof grinding device for hardware products

The utility model relates to a polishing device, in particular to a dustproof hardware polishing device which comprises a supporting assembly, a conversion assembly is fixed to the bottom of the supporting assembly, a polishing assembly is fixed to one side of the conversion assembly, the polishing assembly comprises a rotating frame, the rotating frame is fixed to one side of the conversion assembly, and a first sliding strip is slidably connected to the interior of the rotating frame. The supporting assembly comprises a working table, supporting legs are fixed to the bottom of the working table, a supporting plate is fixed to one sides of the supporting legs, a first sliding strip is arranged in the working table, a second spring is fixed to one end of the first sliding strip, and a wiping plate is fixed to the other end of the first sliding strip. Dust collectors are fixed to the tops of the supporting plates. According to the stress cone polishing device, the polishing block and the wiping plate are alter