Self-resetting mold for prestressed concrete sleeper

The utility model discloses a self-resetting mould for a prestressed concrete sleeper, which comprises a mould shell, mould cavities and a resetting structure, the mould cavities are arranged in the mould shell at intervals, the mould cavities comprise movable cavities and fixed cavities, the movable cavities are movably arranged at the two ends of the mould shell, and the fixed cavities are arranged at the two ends of the mould shell. And the movable cavity is connected with the mold shell through a reset structure. According to the movable shell mold, the mold cavities located at the two ends can retract inwards along with the sleeper, mutual extrusion between the sleeper and the mold is avoided, the problem that the sleeper is scrapped due to collision is solved, and economic losses are effectively reduced; and the reset structure is arranged to achieve automatic reset and anti-falling functions of the movable cavity, automatic and rapid reset of the movable cavity is achieved after mold removal, continuou