Auxiliary rapid self-centering device of hot extrusion die

The utility model belongs to the field of forging machining tools, and particularly relates to an auxiliary rapid self-centering device of a hot extrusion die, which comprises a body extending along the vertical direction, the upper end of the body is detachably connected with corresponding forging and pressing equipment, and the lower end of the body is provided with a righting assembly. The centralizing assembly comprises a linkage pin shaft arranged on the body and a centralizing claw hinged to the linkage pin shaft, the centralizing claw is provided with a first centralizing face and a second centralizing face which are adjacent to each other, and when the centralizing claw is in a natural state, the first centralizing face and the second centralizing face form a bayonet with a downward opening; and when the centralizing claw is in a centralizing state, the centralizing claw rotates until the first centralizing surface is in contact with the end surface of the corresponding workpiece, and the second centr