Mold for plastic bottle blow molding production

The utility model discloses a plastic bottle blow molding production mould which comprises a mould shell, the side face of the mould shell is recessed inwards to form a clamping groove, a mould plate is detachably clamped in the clamping groove, a blow molding cavity is formed in the outward face of the mould plate, a cooling cavity is formed in the opposite face of the mould plate, and a cooling pipeline is fixed in the cooling cavity. A water inlet and a water outlet are formed in the two ends of the cooling pipeline correspondingly, a water inlet pipe and a water outlet pipe are arranged on the mold shell correspondingly, at least part of the water inlet pipe extends into the mold shell and communicates with a first butt joint, the first butt joint is detachably in butt joint with the water inlet, and at least part of the water outlet pipe extends into the mold shell and communicates with a second butt joint. The second butt joint is detachably butted with the water outlet; the water inlet pipe and the wat