Cutting device for aluminum alloy building materials

The utility model relates to the technical field of aluminum alloy building materials, in particular to a cutting device for aluminum alloy building materials. According to the technical scheme, the dust removal device comprises a box body, a dust removal box and an adjusting seat, electric push rods are fixedly connected to the two sides of the top of the box body, a cutting mechanism is fixedly connected between fixing blocks, and the dust removal box is fixedly installed on the top of the box body on the outer sides of the electric push rods; a fan is fixedly connected in the dust removal box outside the filter box, an adjusting seat is movably connected in the box body at the bottom of the cutting mechanism through a sliding rail, sliding grooves are formed in the surfaces of the two ends of the adjusting seat, and infrared sensors are fixedly connected to the surfaces of the other ends in the box body on the two sides of the cutting mechanism. Through combination of various structures, building materials