The utility model discloses a device is put in to automatic absorption of grinding wheel label, including the cylinder of vertical setting, install the spliced pole of vertical setting at piston rod of the cylinder's end through the connecting plate, radial fixed mounting has the connection pad at the lower extreme of spliced pole, and the dress of wearing perpendicularly that centers on the spliced pole circumference even on the connection pad is fixed with three piece at least negative pressure pipes, and the lower extreme of managing in each negative pressure is connected with the sucking disc respectively, and the terminal surface of each sucking disc is in in the coplanar, it has a connecting pin more than three still evenly to lead slidable mounting through the circumference on the connection pad, the top of each connecting pin and the location block cooperation of the last quotation of connection pad, and the lower extreme fixedly connected with label pressure disk of each connecting pin, the opening that each sucking disc correspondence of confession is passed through is offered to this label pressure disk and connection pad parallel arrangement on the label pressure disk.Simple structure, installation convenient to use, the corresponding moving mechanism of its cooperation can realize that the automatic of grinding wheel label absorbs and paste, has solved the problemthat prior art exists.