Automatic rock wool board feeding device

The utility model discloses an automatic feeding device for rock wool boards. The device comprises a workbench and a conveying belt arranged on the workbench, wherein the supporting beam is arranged on the support and is in the same direction as the material conveying direction, the double-rod air cylinder is arranged on the bottom wall of the supporting beam, the supporting block is arranged on apiston rod of the double-rod air cylinder, the clamping plates are oppositely arranged on the bottom wall of the supporting block in pairs, and the suction cups are oppositely arranged on the bottomwall of the supporting block. Cavities are formed in the supporting blocks, a driving assembly for driving the two clamping plates to be attached to the two side walls of a material is arranged in thecavity, a conveying assembly for driving the supporting beam to slide in the direction perpendicular to the material conveying direction is arranged on the support, a sliding assembly for driving thesupporting block to move in