Steel pipe straightening machine

The utility model relates to a steel pipe straightening machine which comprises a rack, an upper straightening roller and a lower straightening roller are installed in the rack, an air suction cover is installed in the rack and connected with an air suction box body through a first air inducing pipe, an air suction source is arranged in the air suction box body, and the air suction box body is connected with a recycling box body through a second air inducing pipe. A through hole used for being communicated with the outside is formed in the recycling box body, the through hole is fixedly connected with a screen, and the screen is used for blocking chippings. Under the action of an air suction source, outside air flow drives chippings separated from the surface of the steel pipe to sequentially pass through the air suction cover, the first air induction pipe, the air suction box body and the second air induction pipe and enter the recycling box body, the air flow enters the outside again through the screen, and