Automatic fruit sorting device based on machine vision

The utility model relates to an automatic fruit sorting device based on machine vision. The automatic fruit sorting device comprises a fruit conveying assembly, a vision detection assembly and a fruit sorting assembly. The fruit conveying assembly conveys to-be-sorted fruits to the fruit sorting assembly, and the visual detection assembly collects appearance images of the upper half parts and the lower half parts of the to-be-sorted fruits in the conveying process; the fruit sorting assembly comprises a sorting roller, a roller shell and a third stepping motor, outlets for fruits of different grades are formed in the roller shell, and different sorting areas are arranged on the sorting roller; the sorting roller is rotationally installed in the roller shell, the sorting roller motor drives the sorting roller to rotate through chain transmission, and fruits to be sorted are poured out from corresponding outlets of the roller shell according to grades. The device collects appearance images of the upper half par