The invention relates to the technical field of sand making equipment, and particularly discloses a vertical type sand making machine graded energy-saving feeding device. The vertical type sand makingmachine graded energy-saving feeding device comprises a bottom seat, a conveying belt and a screening piece, wherein one end of the conveying belt is arranged on the bottom seat, a support plate is fixedly arranged below the other end of the conveying belt and on the upper surface of the bottom seat, the screening piece is arranged on the support plate, the screening piece comprises an arc screening plate and a motor, the arc screening plate is rotatably connected onto one side wall of the support plate through a central shaft, two groups of driven belt wheels are rotatably arranged on the other side wall of the support plate, a drive belt wheel is fixedly arranged on an output shaft of the motor in a coaxial mode, the drive belt wheel is connected with a driven belt wheel through a belt,two eccentric gears are rotatably arranged on the side wall of the support plate in a stagger mode, the eccentric gears are fixedly connected with the driven belt wheel, and a first sand making machine and a second sand making machine are respectively installed on two parts, at the tail end of the arc screening plate and below the arc screening plate, of the bottom seat. The vertical type sand making machine graded energy-saving feeding device has the advantages of being simple in structure, low in work load, high in work efficiency, good in grading quality, smooth in sliding, and convenientto popularize and implement.