Flexible joint forming tool

The invention discloses a flexible joint forming tool, and relates to the technical field of flexible joint machining equipment, the flexible joint forming tool comprises an outer frame and a forming device, the outer frame comprises a bottom plate, a hydraulic oil top, a supporting plate and an upper cover which are sequentially arranged from bottom to top, and the bottom plate and the upper cover are connected through a plurality of limiting columns; a forming device is arranged between the supporting plate and the upper cover, the forming device comprises a top die, a bottom die and a heating sleeve, a forming cavity is formed among the bottom die, the heating sleeve and the top die, and the forming cavity is used for placing a flexible joint. Through the arrangement of the flexible joint forming tool, the flexible joint forming tool is simple in structure and convenient to disassemble and assemble; rubber forming pressure is provided in a hydraulic jack mode, and the shell is wrapped with the electric hea