The invention discloses a
welding automatic moving device of an automobile door frame. The
welding automatic moving device of the automobile door frame comprises a bottom plate, a movable plate limiting block, a supporting
pulley bearing, a movable plate, a limiting plate, a
ball bearing, a bearing shaft, an ejecting opening air cylinder, a
piston rod, a connecting joint, a pin and a connecting block, wherein the movable plate and the limiting block are installed on the bottom plate, the supporting
pulley bearing is installed on the bottom plate, the movable plate is installed on the supporting
pulley bearing, the limiting plate is installed on the bottom plate, the
ball bearing is installed on the bearing shaft, the bearing shaft is installed on the movable plate, the ejecting opening aircylinder is installed on the bottom plate, the
piston rod is installed on the ejecting opening air cylinder, the connecting joint is installed on the
piston rod, the pin is installed on the connecting block, and the connecting block is installed on the movable plate, so that the movable
radian of the movable plate is consistent with the
welding radian of a product. The welding automatic moving device for the automobile door frame has the advantages that the adjusting is convenient, the positioning is accurate, the movable plate can move back and forth, the
automation degree is high, so that the welding cost and the labor intensity are reduced, and the production efficiency of equipment and the stability of the equipment are improved.