Material leakage prevention mechanism of roller press for producing cement from waste residues

The utility model discloses a material leakage prevention mechanism of a roller press for producing cement from waste residues, which comprises a leakage prevention box, a material conveying groove, alifting column, a collecting box and a conveying belt, and the cross section of the material conveying groove is U-shaped; the lifting column comprises a main column and an auxiliary column, the axisof the main column and the axis of the auxiliary column are each provided with a row of threaded holes, and the auxiliary column is connected with the main column through bolts connected to the threaded holes; a connecting column is welded to the bottom of the material conveying groove, and the top of the lifting column is rotationally connected with the connecting column; and supports are fixedly connected to the two sides of the conveying belt. According to the utility model, the leakage-proof box is used for collecting spattered and leaked crushed aggregates when the roller press works; the inclined angle of the ma