Rubber vulcanization production mold convenient to change

The utility model discloses a rubber vulcanization production die convenient for die replacement. The rubber vulcanization production die comprises a lower die assembler, an upper die assembler, a lower sub-die, an upper sub-die and a hinge piece, one side of the lower die assembler is hinged with one side of the upper die assembler through a plurality of hinging pieces, and the lower die assembler and the upper die assembler can be assembled together; the inner side part of the lower die assembler is sunken inwards to form a first assembling groove, a plurality of first magnetic guide columns are arranged in the first assembling groove, first magnetic fixing grooves matched with the first magnetic guide columns are formed in the bottom of the lower die assembler, and the inner side part of the first assembling groove is sunken inwards to form a plurality of first guide sliding grooves; first sliding blocks matched with the first guiding sliding grooves are arranged on the two adjacent side faces of the lower