Hydroforming push head

The utility model discloses a hydroforming push head which comprises a push rod and a push head body. The push rod and the push head are fixedly connected in a split sealing mode. A material supplementing step is arranged on the push rod; a sealing section and a conical guide section are arranged on the push head; a water injection hole penetrates through the push rod and the push head. According to the structure, the push head is designed into a modular structure and used for replacing an original push head which is damaged during use, replacement of the push rod is reduced under the condition that the service life of the push head is not shortened, and the purpose of saving cost is achieved. 本实用新型公开了充液成形推头，包括推杆和推头；所述推杆和推头分体式密封固定连接；所述推杆上设置补料台阶；所述推头上设置密封段和锥形导向段；穿过推杆和推头设置注水孔。本结构将推头设计成模块化结构，用以替换使用时损坏的原推头，在不减少推头使用寿命的情况下，减少了推杆的更换，达到了节约成本的目的。