Straightening machine

The utility model provides a straightening machine. The straightening machine comprises a bottom plate and an adjusting seat fixedly installed on the top of the bottom plate, and is characterized in that a supporting frame is fixedly installed on the top of the bottom plate, an air cylinder is fixedly installed on the top of the supporting frame, a lower pressing head is installed in the supporting frame in a sliding mode, two sliding plates are installed on the adjusting seat in a sliding mode, and the air cylinder is fixedly installed on the air cylinder. And lower supporting plates are rotationally mounted on the two sliding plates correspondingly, two adjusting rods are fixedly mounted on the tops of the two lower supporting plates correspondingly, and upper pressing plates are slidably mounted on the two corresponding adjusting rods correspondingly. The straightening machine provided by the utility model has the advantages that the operation is convenient and fast, the steel pipe can be attached and fixe