Mechanical part blank casting mold convenient to demold

The utility model discloses a mechanical part blank casting mould convenient for demoulding, which comprises an upper mould mechanism, a lower mould body, a mould cavity and a demoulding ejector piece, the upper mould mechanism is connected with the lower mould mechanism through electric hydraulic push rods connected with the bottoms of two ends, the top of the lower mould mechanism is connected with the lower mould body, and the mould cavity is connected with the demoulding ejector piece. A mold mounting cavity is connected to the interior of the top of the lower mold body, the mold cavity is placed in the mold mounting cavity, a demolding groove is connected to the middle of the bottom of the mold cavity, the demolding ejection piece is arranged in the demolding groove, and a telescopic driving mechanism is installed at the bottom of the demolding ejection piece. According to the utility model, the telescopic driving mechanism drives the demolding ejection piece to do up-and-down telescopic movement after b