Rubber washer mold

The invention provides a rubber gasket mold. The rubber gasket mold comprises an upper mold plate, a middle mold plate, a lower mold plate and a transverse insert, a plurality of mold cores are mounted at the bottom of the upper mold plate, a plurality of middle mold cavities penetrating through the upper surface and the lower surface are formed in the middle mold plate, a sliding groove is formed in the bottom end of the middle mold plate, and a plurality of lower mold cavities are formed in the top end of the lower mold plate; the transverse inserting piece comprises a sliding plate, the sliding plate is installed on the lower die plate and can move in the preset direction, and a plurality of locking blocks are arranged on the sliding plate at intervals. In the mold closing state, the multiple mold cores are inserted into the multiple middle mold cavities correspondingly, the multiple middle mold cavities communicate with the multiple lower mold cavities in a one-to-one correspondence mode, the mold cores,