Surface stain removing device for aluminum alloy door and window machining

The utility model discloses a surface decontaminating device for aluminum alloy door and window processing, which comprises a working table and supporting legs fixedly arranged on two sides of the bottom, vertical boxes are fixedly arranged on two sides of the top of the working table, limiting sliding grooves are arranged on opposite sides of the two vertical boxes, and a transverse box is fixedly arranged on the tops of the two vertical boxes. The utility model discloses a surface stain removing device for aluminum alloy door and window machining. Through cooperative use of a threaded rod, a limiting sliding groove, a limiting block, a movable column, a fixed frame, a transmission mechanism, a first motor, a second motor, a first gear, a second gear, a hydraulic telescopic rod, a positioning block, a handle, an adjusting lead screw, a threaded sleeve, a pressing plate, a positioning groove, a mounting plate, a clamping mechanism and a turnover mechanism, the turnover mechanism can turn over the clamping mec