Discharging and sorting device and sorting method of color sorter

The invention provides a color sorter discharging and sorting device and a sorting method.The color sorter discharging and sorting device mainly relates to the technical field of color sorter sorting, the color sorter discharging and sorting device comprises a machine box, a feeding port is formed in the machine box, and a material storing device, a screening device, a material discharging box, a blowing and sorting device and a material distributing device are sequentially arranged in the machine box from top to bottom; the material distribution box is fixedly arranged in the machine box, an electric cylinder is arranged on the side face of the material distribution box, a push plate is arranged on a telescopic shaft of the electric cylinder, the three driving hydraulic cylinders are sequentially and fixedly arranged on the side face of the electric cylinder, telescopic rods of the driving hydraulic cylinders are connected with the push plate, a rack is arranged on the push plate, and the rack is used for dr