APPARATUS FOR ATTACHING AND DETACHING TIRE MOLDING DRUM

摘要

PROBLEM TO BE SOLVED: To enable clamping by one drum fixing nut, to reduce labor and the number of processes at the time of attachment of a tire molding drum and to enhance the concentricity between the drum and a main shaft, in an apparatus for attaching and detaching the tire molding drum with respect to the main shaft of a molding machine main body. SOLUTION: The nut for clamping the drum to the main shaft is attached to the drum in a rotatable manner and a tie rod, which is slidable along the axis of the drum and fitted in the nut at a first position to become integrally rotatable along with the nut and detached from the nut at a second position set on the side of a molding machine from the first position, is provided and the screw part fitted in the nut is provided to the main shaft of the molding machine and a push rod slidable in an axial direction is provided in the main shaft and the tie rod can be connected to the push rod at the second position.