Seamless steel tube anti-deformation forming device

The utility model relates to the technical field of steel pipe forming, in particular to a seamless steel pipe anti-deformation forming device which comprises a forming machine body, a supporting plate is arranged on the outer side of the forming machine body, a plurality of sets of connecting pieces are arranged at the top of the supporting plate, and limiting pieces are slidably connected into the connecting pieces. A driving screw rod is in threaded connection with the interior of the limiting piece, two sets of connecting grooves are formed in the end, away from the driving screw rod, of the limiting piece, rotating blocks are rotationally connected with the interiors of the connecting grooves, and a driving box is arranged at the top of the connecting piece; the end, away from the limiting piece, of the driving screw extends into the driving box to be fixedly connected with a first driving bevel gear, the outer side of the first driving bevel gear is connected with second driving bevel gears in a meshed