Hopper feed opening seals material structure

The utility model belongs to the unloader field provides a hopper feed opening seals material structure, comprising a base plate, the bottom plate upper end is connected with the transition piece, thematerial stock clearance has been seted up in the transition piece, the interpolation of material stock clearance is equipped with the switch plate just the switch plate can round trip movement in the material stock clearance, transition piece both sides end all is equipped with scrapes the flitch, it can be to leaning on to scrape the flitch lower extreme on the switch plate up end, transition piece upper end is equipped with the hopper, a feed -through hole, the 2nd feed -through hole and the 3rd feed -through hole have been offered on transition piece, switch plate and the bottom plate respectively, a feed -through hole with the 2nd feed -through hole and the 3rd feed -through hole homogeneous phase leads to. Compared with the prior art, the utility model has the advantages of this hopper feed opening seals ma