Injection mold with stable reset function

The utility model discloses an injection mold with a stable reset function. The injection mold comprises a fixed plate and a male mold arranged on the fixed plate, wherein two support blocks which are the same in shape and size are arranged between the male mold and the fixed plate, a lower ejection plate is arranged between the support blocks, an upper ejection plate is arranged on the lower ejection plate, a slot is formed in the middle of the male mold, the lower ejection plate is provided with an ejection rod, the ejection rod penetrates through the upper ejection plate, the end part of the ejection rod is arranged in the slot, a reset spring is sheathed at the bottom end of the ejection rod, the reset spring is fixed on the lower ejection plate and is connected with the fixed plate, the reset spring is a nitrogen spring, the ejection rod is provided with a clamping slot, the reset spring is clamped in the clamping slot, and the lower ejection plate is provided with a clamping bulge which clamps the reset spring. The injection mold is of simple structure and convenient to use, adopts the nitrogen spring to stably reset the ejection rod, is stressed uniformly and has long service life.