Polishing and cutting machine tool for steel fireproof door

The invention belongs to the technical field of fireproof door machining, and particularly relates to a grinding and cutting machine tool for a steel fireproof door, which comprises a rack and fixed tables, the fixed tables are symmetrically and fixedly arranged on the two sides of the upper end surface of the rack, sliding vertical plates are symmetrically and slidably arranged on the two sides above the rack, and a sliding transverse plate is connected between the two sliding vertical plates; a movable platform is slidably arranged below the sliding transverse plate, a fixed circular plate is slidably arranged below the movable platform, a rotating air shaft is rotatably arranged at the bottom of the fixed circular plate, a pushing pipeline is arranged in the rotating air shaft, a sealing sliding plate is slidably arranged in the pushing pipeline, and a laser head is connected to the bottom of the sealing sliding plate. Polishing push seats are arranged on the portions, on the two sides of the pushing pipel