| 摘要 |
The invention concerns an apparatus for welding tubes comprising a frame (8), a tube resting zone (2), clamp means (4) to block the tube (3) in the welding position, said clamp means (4) being comprised of two halves (4', 4'') partially surrounding the tube (3) and eventually provided with adapter means (7) for different diameters of the tube, the tube (3) of any dimension being supported with its welding surface (6) placed always at the same pre-established height, a welding mirror (10), provided with means for fixing an upper matrix and a lower matrix, and provided with support means (12, 13, 14, 15) to approach and to move away the tubes to be welded, allowing its displacement along the horizontal plane and along the vertical plane, with the possibility of combining the two motions to obtain a continuous adjustment on the three axis, with any orientation, clamp means (17) to support the tube to be welded, said clamp means being adaptable to any dimension of the tube to be welded, and being vertically slidable along said frame (8). |
