Sorting machine for sugar oranges

The sorting machine for sugar oranges comprises a support, a feeding box, at least three sorting belts, a discharging groove and at least three storage boxes, wherein the sorting belts, the discharging groove and the storage boxes are sequentially arranged on the outlet side of the feeding box. The feeding box is in a funnel shape and is arranged above the support, at least three round hole grooves are evenly distributed in the upper surface of the sorting belt, holes of the round hole groove of the next sorting belt are gradually increased compared with those of the round hole groove of the previous sorting belt, a first rolling wheel and a second rolling wheel are arranged in the sorting belt, and the two ends of the first rolling wheel and the two ends of the second rolling wheel are arranged on the support respectively. A first motor used for providing power for the first rolling wheel is arranged on the support, the discharging groove comprises a discharging plate, a material conveying plate and a connec