Machining die for transmission shaft accessory hydraulic forming machine

The utility model relates to the technical field of transmission shaft accessory machining equipment, in particular to a machining die for a transmission shaft accessory hydraulic forming machine, which comprises a die structure arranged on a workbench of the forming machine, a lower die arranged on the workbench of the die structure, and an upper die arranged on the lower die, the upper die and the lower die are oppositely arranged in the height direction of the forming machine, a forming hole allowing the connecting rod to penetrate through is formed in the upper die, a forming plate is arranged at the bottom end of the upper die, a forming cavity allowing the lug structure to be formed is formed between the forming plate and the lower die, and a hydraulic driving mechanism used for conducting impact forming on a workpiece is arranged on the forming machine. The shaft fork forming device has the effect that the convenience of forming machining of the shaft fork can be improved. 本申请涉及传动轴配件加工设备的技术领域，尤其是涉及一种传动