<p>Laser hybrid welding head comprises a laser (4) and laser lens or assembly element (2) or an optical focussing unit and elements of a welding torch (5) and/or a feeding device for a welding wire (21) arranged on an assembly element (2); and a unit for forming a cross-jet (8) connected to a compressed air supply via a feed line (9) and a waste line (10) arranged between the components. Independent claims are also included for: a cross-jet guiding unit; and a modular laser hybrid torch. Preferred Features: The assembly element is formed by a profile with fixing bolts for the components of the welding head. The assembly element is structured in such a way that is has a channel in the center and two further channels parallel to the first channel. The assembly element is connected to a manipulator (16) of a robot via a fixing unit (17).</p>
