Ore fixing device for punching press mold

The invention belongs to the technical field of punching molds, and discloses an ore fixing device for a punching press mold. The ore fixing device comprises a mold base, a limiting device, strip-shaped holes and strip-shaped grooves; the limiting device comprises a movable rod, a fixing seat, a rotating shaft, an empty groove, a connecting rod, a limiting plate and a rebound assembly; and the rebound assembly comprises a twisting plate, a linkage plate, a rebound plate and a spring. According to the ore fixing device, when the movable rod is pushed, the movable rod moves downwards in the empty groove through the rotating shaft, and the limiting plate enters the strip-shaped holes; when the twisting plate is pressed downwards, the connecting rod is pressed downwards along with the twistingplate, the rebound plate is pressed down by the linkage plate, and the limiting plate is pressed downwards to be completely discharged from the strip-shaped holes along with the movable rod; the twisting plate is rotated, th