| 摘要 |
<p>The present invention relates to a welding head apparatus for a welding machine. The present invention comprises a base member; a vertical moving base member combined with the base member to be movable vertically; a drive unit which drives the vertical moving base member up and down; first and second horizontal moving members combined with the vertical moving base member to be movable horizontally; first and second vertical moving members combined with the first and second horizontal moving members to be movable vertically; first and second circular welding electrodes mounted in the first and second vertical moving members; an electrode gap adjustment unit which adjusts a gap between the first and second circular welding electrodes by adjusting the gap between the first and second horizontal moving members; and a pressure adjustment unit which adjusts pressure, which is applied when the first and second circular welding electrodes weld an object to be welded, by elastic force. According to the present invention, it is easy to adjust the pressure applied to the object to be welded according to the kind of the object to be welded and components for adjusting the pressure are simple.</p> |
