Automobile oil filler cover draws forth and welds device

The utility model relates to an automobile oil filler cover draws forth and welds device, the upset pressure arm passes through cylinder drive upset, the two guide rod cylinder of the first couple of guide rod cylinder and second install the end that compresses tightly at the upset pressure arm, first electrically conductive briquetting is installed at first couple of guide rod cylinder, electrically conductive briquetting of second and the electrically conductive briquetting of third are installed at the two guide rod cylinder of second, three electrically conductive briquetting is equipped with the electrode cap respectively, first electrically conductive tray and first electrically conductive briquetting are connected with first welded plate through the cable respectively, electrically conductive tray of second and the electrically conductive briquetting of second are connected with the second welded plate through the cable respectively, electrically conductive tray of second and the electrically conductiv