Large sand box moving turnover machine

The utility model relates to the technical field of casting, and discloses a large sand box moving turnover machine which comprises a connecting frame, a base and a movable frame, and a turnover machine head is arranged at the upper end of the connecting frame; the connecting frame and the movable frame are installed at the two ends of the base respectively, and the movable frame is in sliding connection with the base. A shell is arranged at the upper end of the movable frame, and two rotating wheels are arranged in the shell; and a large sand box is arranged between the overturning machine head and the rotating wheel. The connecting frame is fixed to the base, the driving motor and the second connector are connected through the turnover mechanism at the upper end of the connecting frame, the driving motor drives the second connector to rotate through the turnover mechanism, and therefore the large sand box is indirectly driven to turn over, and the movable frame is in sliding connection with the base and dri