Driving chain link casting machine

The invention discloses a driving chain link casting machine and aims at providing a driving chain link casting machine which is good in casting quality. The driving chain link casting machine comprises a mounting seat, a hydraulic power unit, a frame-shaped rack and a mould assembly; the rack is fixedly arranged at the upper end of the mounting seat; and the mould assembly comprises a locating bottom plate fixedly arranged at the lower part of the rack, four guide keys annularly and uniformly fixed to the upper end of the locating bottom plate, a bottom mould plate placed at the upper ends ofthe guide keys, a front end mould plate located at the front end of the bottom mould plate, a rear end mould plate located at the rear end of the bottom mould plate, a left end mould plate located atthe left end of the bottom mould plate, a right end mould plate located at the right end of the bottom mould plate, a top mould plate on which a casting riser is arranged, four oil cylinders fixedlyarranged at the periphery o