Tailing discharging mechanism of teetered bed sorting machine

The utility model provides a tailing discharging mechanism of a teetered bed sorting machine, which belongs to the field of coal equipment and comprises a sleeve which is a hollow cylinder, the sleeve and a sorting machine barrel body are welded into a whole, the sleeve is vertically arranged, and the upper end of the sleeve corresponds to a feed opening in the upper end of the sorting machine barrel body. The lower end of the sleeve downwards extends out of a bottom plate of the sorting machine barrel body; a support is fixedly arranged at the upper end of the sleeve, a valve seat is arranged in the support, a discharge valve is arranged corresponding to the valve seat, and the discharge valve moves up and down relative to the valve seat to achieve opening and closing of the discharge valve. An inner pipe is arranged in the sleeve, the lower end of the sleeve is detachably connected with the inner pipe, and the inner pipe is of a hollow cylinder structure and serves as a channel for discharging tailings. The