Pressing die for transition section steel pipe

The utility model provides a transition section steel pipe pressing die which comprises an upper clamping fixture and a lower clamping fixture, the upper clamping fixture comprises a top plate, the bottom of the top plate is fixedly connected with a plurality of middle die pressing plates, the plurality of middle die pressing plates are arranged in parallel at equal intervals, the lower clamping fixture comprises a bottom plate, and the bottom plate is fixedly connected with the top plate. The transition section steel pipe pressing mold comprises a bottom plate, a plurality of middle mold supporting plates are fixedly connected to the top of the bottom plate, and the multiple middle mold supporting plates are arranged in parallel at equal intervals. The problems that according to a traditional forming technology, forming is difficult, or creases are likely to appear on arc sections, the radian appearance quality is poor, the alignment tolerance of pipe joint assembly is out of tolerance, and the follow-up fin