Full impregnation mechanism for tobacco leaves

The invention discloses a full impregnation mechanism for tobacco leaves. The full impregnation mechanism comprises an impregnating tank; two chains juxtaposed along the length direction and a support collision bar connected to two side walls are arranged inside the impregnating tank; multiple groups of partitions are fixedly set between the two chains, and distributed along the length direction of the chains; each partition comprises a bent plate and a pressing plate, and a slot extending downwards is arranged in the middle of the connecting portion of each bent plate and the chains; when the chains drive the partitions to run backwards, the bottom end of the support collision bar can penetrate through the slots so as to open the pressing plates. Under the action of the partitions and the pressing plates thereof with an automatic turnover function, tobacco leaves can be fully impregnated in treating liquid, the liquid can be better absorbed by the tobacco leaves, and accordingly quality of the tobacco leaves is heightened.