Polishing device for notches of aluminum alloy doors and windows

The utility model discloses a polishing device for an aluminum alloy door and window notch. The polishing device comprises a bottom plate and a fixing unit. Adjusting units are arranged at the left end and the right end of the upper side of the bottom plate, a first rotating shaft is arranged on the upper side in each adjusting unit, the upper end of each first rotating shaft is driven by an external motor to rotate, and a grinding disc is arranged at the lower end of the outer side of each first rotating shaft. The fixing unit comprises a second sliding groove, second sliding blocks, fixing blocks, a triangular clamping groove, a rubber block and a power assembly, the second sliding groove is formed in the middle of the upper side of the bottom plate in the front-back direction, the front end and the rear end of the interior of the second sliding groove are each slidably connected with one second sliding block in the front-back direction, and the upper ends of the two second sliding blocks are each provided