The present invention refers to a self-threading machine, a longitudinal laminator with improvements that allow the laminating process to be optimized and to make it more comfortable and safe. For this, two systems have been attached to it, on both sides of the machine,
Composed of a series of elements, which allow the movement of the upper roller with respect to the lower roller, essential to adapt to different thicknesses of dough, in a much more dynamic and comfortable way than in current laminators. Likewise, a plastic piece located between the dough entry roller and the lower one has been attached to it, which by copying both profiles allows the lower roller to be able to catch the dough at the beginning of production, as it prevents it from sliding between the two rollers, and with it, it has to be the operator who must manually guide it, thus increasing the safety of this type of machine.