Self-cleaning screen bar of piano key type screen

The utility model belongs to the field of vibrating screens, and relates to a self-cleaning screen bar of a piano key type screen. The self-cleaning screen bar of the piano key type screen comprises a screen bar rib made of metal, the screen bar rib is L-shaped, a sleeve capable of freely moving is sheathed a position where the outer surface of the screen bar rib is positioned in front of a corner, the sleeve is made of wear-resistant metal, and the back side of the corner of the screen bar rib is used as a stopper for preventing the sleeve from falling. The self-cleaning screen bar of the piano key type screen has the beneficial effects of being simple in structure and convenient to use, effectively preventing the vibrating screen from being plugged; a large number of self-cleaning screen bars capable of jumping vertically form the piano key type screen, due to vertical jumping of the screen bar ribs and the vertical and horizontal free movement of the sleeve on the screen bar ribs, the difficulties that dam