Winnowing device

The utility model provides a winnowing device which comprises a supporting frame. The feeding device is supported on the supporting frame, a feeding opening is formed in the top end of the feeding device, and an air outlet pipe and an air inlet pipe are arranged on the two sides of the feeding device respectively; the fan is supported on the support frame and is communicated with the air inlet pipe; the cyclone pressure relief bin is supported on the supporting frame, communicates with the air outlet pipe and is used for receiving the garbage blown by the fan; and the discharging device is arranged at the bottom end of the cyclone pressure relief bin and used for quantitatively outputting the garbage sinking in the cyclone pressure relief bin. The winnowing device provided by the utility model can be used for sorting the garbage and quantitatively outputting the sorted garbage, and is simple in structure and high in sorting efficiency. 本实用新型提供了一种风选装置，包括支撑架；投料装置，其支撑于所述支撑架上，所述投料装置顶端设有投料口，投料装置的两侧分别为出风管和进风管；风机，其支