Metal pipe straightening die

The utility model discloses a metal pipe straightening die which comprises a base, a fixing support is installed on one side of the base, a plurality of first pressing rollers are evenly arranged on the fixing support in a rotating mode, and motors for driving the first pressing rollers to rotate are evenly installed at the bottom of the base. The other side of the base is slidably connected with a movable support, and the movable support is evenly and rotatably connected with a plurality of second pressing rollers. A movable support provided with a plurality of second pressing rollers can move through a sliding groove, a limiting groove and a T-shaped limiting plate, so that the second pressing rollers are driven to be adjusted at the same time through the movable support, and then the position of the movable support is fixed through cooperation of a first toothed plate, a second toothed plate and a locking bolt; therefore, the multiple second pressing rollers can be adjusted at the same time, and the straig