Positioning device of tire molds

The utility model relates to a positioning device of tire molds. Its technical scheme is: tire mould utensil is including last mould and lower mould, is equipped with the sealing washer at the inlet outlet of last mould and lower mould going up and being equipped with the locating piece on the mould, last locating piece includes positioning bottom plate and recess, is equipped with the recess at last positioning bottom plate's center be equipped with down the locating piece on the lower mould, lower locating piece is including down positioning bottom plate and lug, and positioning bottom plate's center is equipped with the lug under. The beneficial effects of the utility model are that: the device is equipped with positioned on the plate on last mould, be equipped with down locating plate on the lower mould, when going up the mould with the lower mould location, insert the recess on the positioned on the plate through the lug on the locating plate down in, hold the lug through the magnet piece in the recess,