Trough plate

The utility model discloses a trough plate which comprises a body, the two sides of the body are respectively provided with grooves, the grooves abut against the opposite grooves in an adjacent trough plate body to form a positioning groove capable of accommodating materials. In the process of working, at the end of a conveying belt, the trough plate body which runs along with the conveying belt until just breaking away from a belt pulley and the trough plate body which is at back (the movement direction of the conveying belt is as front ) of the trough plate body and still located on the belt pulley are in different planes, meanwhile, the positioning groove will open by a certain angle so as to enlarge, so that the materials above the positioning groove accurately fall into the positioning groove even if the materials bend and deform; then the materials are accurately conveyed to the preset grabbing station so as to be grabbed by a grabbing tool.