Aspheric surface machining grinder

The utility model discloses an aspheric surface machining grinder. The aspheric surface machining grinder comprises two grinding electric main shafts, a hydraulic main shaft, a rough grinding mill, an accurate grinding mill, a grinding electric main shaft support, an X-direction moving board, a Y-direction moving board and a Z-direction moving board; the rough grinding mill and the accurate grinding mill are arranged on the two grinding electric main shafts respectively; a work table is arranged on the Z-direction moving board; the work table moves vertically along with the Z-direction moving board; the X-direction moving board is arranged on a second linear guide rail and a second ball screw pair which are both arranged on the work table; the grinding electric main shafts are arranged on the Y-direction moving board, and the grinding electric main shafts and a grinding wheel longitudinally move along with the Y-direction moving board; a third ball screw pair and a third linear guide rail are arranged on the