Plate shearing machine and material device is held in palm to pneumatic back thereof

The utility model discloses a plate shearing machine and material device is held in palm to pneumatic back thereof belongs to plate shearing machine technical field. The pneumatic back of this plate shearing machine asks the material device to include that lower tool post, pneumatic element, rocking arm hold in the palm the work or material rest after and, the inboard upper portion of lower tool post is equipped with the pivot seat, is provided with the pivot in the pivot seat, the one end of pivot ask the work or material rest to be connected after with, the other end is connected with the one end of rocking arm, the rocking arm pass through pneumatic element drive, the pneumatic element is telescopic cylinder, the inboard lower part of lower tool post be equipped with cylinder support plate, telescopic cylinder's one end and cylinder support plate are connected, telescopic cylinder's the other end and rocking arm are kept away from the one end of pivot and are connected. The utility model discloses a plate