Pipe bending auxiliary device

The invention relates to the technical field of pipe bending, in particular to a pipe bending auxiliary device which comprises a pipe bending unit, a pipe bending unit and a pipe bending unit, the pipe bending unit comprises a bracket, a first mold arranged on the bracket, a second mold arranged on the bracket, a hydraulic device arranged on the second mold, a supporting frame arranged on the bracket and a pipe body arranged on the supporting frame; the auxiliary unit comprises a clamping assembly arranged on the first mold, a pressing assembly arranged on the first mold and a limiting assembly arranged on the first mold, and the pipe body in the bending process can be gradually fastened and clamped through the adjusting unit, so that the pipe body in the bending process does not need to be manually supported any more; the pipe body is not easy to overturn during bending, so that the bending effect is improved, the adjusting unit is convenient for personnel to adjust and install, the labor intensity can be re