Pneumatic demolding device for plastic stamping part

The utility model relates to the technical field of stamping equipment manufacturing, and discloses a plastic stamping part pneumatic demolding device which comprises a mold groove, a supporting rod is fixedly connected to the upper portion of the mold groove, an upper base is fixedly installed on the supporting rod, a pneumatic valve is fixedly installed on the upper base, and the upper portion of the pneumatic valve is fixedly connected with the mold groove. A demolding rod is movably installed below the pneumatic valve, a mounting sleeve is fixedly installed on the outer surface of one end of the demolding rod, a welding block is fixedly connected to the outer surface of the mounting sleeve, a fixing rod is fixedly connected to one side of the welding block, and a screw is movably installed above the fixing rod in a penetrating mode; a movable rod is movably connected to one end of the fixed rod, a mounting hole is fixedly formed in the upper portion of the movable rod in an embedded mode, a connecting rod