Guide bracket of plastic mold

The utility model relates to the technical field of plastic molds, in particular to a guide bracket of a plastic mold, and solves the problem that the butt joint efficiency is reduced as an operator needs to manually align and operate the butt joint of an upper mold and a lower mold in the prior art. A guide support of a plastic mold comprises a base and a supporting seat arranged at the center of the top of the base, a lower mold is arranged at the top of the supporting seat, an upper mold is arranged at the top of the lower mold, guide rods are connected to the four corners of the top of the base through adjusting structures, and two butt joint columns are symmetrically arranged on the two sides of the upper mold. Sliding holes matched with the guide rods are formed in the tops of the butt joint columns, and the butt joint columns are connected with the side wall of the upper die through connecting rods. The injection molding positioning mechanism is reasonable in structure, rapid and accurate positioning c