Food weight grader

The utility model discloses a food weight grader which comprises a circular bottom plate, four evenly-distributed fish collecting barrels are fixedly connected to the outer ring of the top of the circular bottom plate, the top end of a supporting frame is rotationally connected with a rotating disc through a copper core shaft, and a stepping motor is fixedly connected to the inner bottom of the supporting frame. The output end of the stepping motor is fixedly connected with a gear, the top end of the rotating disc is fixedly connected with a disc, the upper end of the disc penetrates through and is fixedly connected with a sorting barrel, the middle of the rectangular frame is fixedly connected with a draining plate, and the top end of the rectangular frame is fixedly connected with a water tank. Firstly, water is discharged through a spray head above a draining plate, after cleaning, fishes are pushed into a sliding groove through an electric push rod to enter a sorting barrel to be weighed, contact between