Novel mould bottom plate for jolt molding machine

The utility model discloses a novel mould bottom plate for a jolt molding machine, which comprises a mould bottom plate, wherein a circle of steel plates is embedded on a plane of the mould bottom plate, arranged on a bearing sand box; the steel plates have the thicknesses of 8-12mm; the upper surfaces of the steel plates and the upper surface of the mould bottom plate are arranged in the same plane; and the steel plates are fixed on the bottom surface of the mould bottom plate by bolts. The novel mould bottom plate has the beneficial effects that the steel plates can be replaced simply and conveniently, the service life of a mould is prolonged, the casting quality is improved, the safety in the pouring process is improved and the cost is lowered.