Corrugated pipe forming device

The utility model relates to a corrugated pipe forming device, and relates to the field of compensator manufacturing equipment. The device comprises a rack and further comprises a die pressing mechanism, the die pressing mechanism comprises an upper die, a lower die, a driving part and a pressurizing assembly used for axially pressurizing a pipe blank, the lower die is fixedly connected with the rack, the upper die can be attached to the lower die, a lower forming hole is formed in the side, close to the upper die, of the lower die, one side of the lower die communicates with a pressurizing pipe, and the pressurizing pipe is connected with the driving part. The pressurizing pipe is communicated with the lower forming hole, an upper forming hole is formed in the side, facing the lower die, of the upper die, one side of the upper die is communicated with a pressure relief pipe, and the pressure relief pipe is communicated with the upper forming hole. An output shaft of the driving part is fixedly connected with