Automatic unloader of wallboard

The utility model provides an automatic unloader of wallboard, including roller conveyor, support mounting bracket, promotion unloader, sucking disc mounting bracket and vacuum chuck device, install aplurality of conveying roller subassembly on the roller conveyor, material blocking rack is installed to roller conveyor's output symmetry, roller conveyor's right -hand member is equipped with the support mounting bracket, be equipped with the walking frame on the support mounting bracket, be equipped with the walking guide rail on the walking frame, promote unloader movable mounting on the walking guide rail, be equipped with the lift cylinder on promoting unloader, the sucking disc mounting bracket links to each other, a plurality of vacuum chuck device is installed to the bilateral symmetry of sucking disc mounting bracket, and vacuum chuck can absorb panel to carry panel through unloader and pile up the unloading automatically, can reduce intensity of labour, improve production efficiency. 本实用新型提出了种墙板自动下料装置，