Work bin used for vertical-type feed-stuff mixer

The utility model discloses a work bin used for a vertical-type feed-stuff mixer. The work bin used for the vertical-type feed-stuff mixer comprises a work bin main body which is provided with an opening on the top, a discharging door is formed in the position, close to the bottom, of the side face of the work bin main body, two sides of the discharging door are both provided with sliding mechanisms, indicator strips are fixed at the bottom end of the discharging door, two ends of the indicator strips penetrate through the sliding mechanisms and are exposed out of the sliding mechanisms, and a lifting device is connected with the top end of the discharging door. The work bin used for the vertical-type feed-stuff mixer can automatically control amount of the feed flowing out of the work bin, is convenient to operate, and facilitates reducing cost.