The utility model provides a multiunit automatic time -sharing discharge mechanism, includes frame, fly leaf and drive arrangement, and last loading bay, reposition of redundant personnel platform andthe at least bed of material of being equipped with is in proper order extremely down followed to the frame, and the loading bay is equipped with a plurality of charge -in pipeline, and the fly leafpasses through drive arrangement and sets up in the reposition of redundant personnel platform with can controlling the removal, and the fly leaf is provided with a plurality of diversion pipeline forevery charge -in pipeline along the range of left right direction, and a formation reposition of redundant personnel nest of tubes goes out the bed of material and has set a portable silo for every diversion pipeline. The beneficial effect of the utility model: the utility model discloses a single raw materials import many silo outlet's timesharing discharge mechanism has the raw materials import figure and limits to and single carrying capacity charge -in system more than needed, can effectively reduce and transport the number of times, improves the raw materials and transports efficiency.