Simultaneous laser welding equipment of a vehicle light

A simultaneous laser welding equipment for a vehicle light comprising:

• a placement support for supporting a container body and a lenticular body of a vehicle light to be welded together at reciprocal perimetral profiles associated at a weld interface,
• at least one laser source suitable for emitting light beams,
• a plurality of optical fibres, each extending from an input end to an output end, the optical fibres being associated, at said input ends to said at least one laser source and being suitable to transmit said light beams,
• a light guide provided with at least one hollow seat having at least one light input wall, which receives the light beams coming from the output ends of the optical fibres and a light output wall which sends the light beams towards the weld interface,
• wherein the seat of the light guide delimits a continuous perimetral contour, counter-shaped to said weld interface,
• wherein the light guide includes diffusion elements that pass through said perimetral contour of the seat of the light guide internally, so as to intercept and influence the light beams that propagate inside said seat, the diffusion elements being shaped to expand the light beams along a direction substantially tangent to a curvilinear abscissa defining said perimetral contour, before it projects from the light output wall and/or at the latter;
• and
• wherein said diffusion elements include reflective diffusion portions which reflect and expand the light beams incident upon them, said reflective diffusion portions including at least one pin placed facing the output end of each corresponding optical fibre and said pin is oriented so that a line N perpendicular to the pin identifies, with an optical axis F of the corresponding optical fibre, an angle of incidence between 25 and 65 degrees, wherein the optical axis is a main axis of symmetry and propagation of the light beam emitted by the laser source.