Automatic hot rolling device for steel production

The invention relates to the technical field of steel production, and provides an automatic hot rolling device for steel production, which comprises a rack, the rack is connected with a hot rolling cavity, and the hot rolling cavity is provided with an inlet and an outlet; the bottom fixing rollers are rotationally mounted in the hot rolling cavity, and a wheel set homodromous rotating mechanism is mounted on the rack; the top hot rollers are mounted in the hot rolling cavity, and the hot rolling cavity is connected with a lifting mechanism; the centering limiting assembly is mounted in the hot rolling cavity; the two closing plates are connected with the lifting mechanism; each group of oxide scale removing mechanism comprises a plurality of high-pressure air guns, and the hot rolling cavity is provided with a rotating mechanism; and the cleaning plate is rotationally installed at the bottom of one side of the inlet of the hot rolling cavity, the hot rolling cavity is connected with a limiting piece, oxide s