device for their roles in einschlagmaterial in a zigarettenverpackungsmaschine and methods to capture and transport of these roles

摘要

The invention relates to a supply unit of bobbins (2) of materials, in particular of bobbins of wrapping material in form of a band and in the cigarette packing machines, comprising a bobbin carrier reservoir (11) equipped with means of supplying the bobbins to a pick-up station and a pick-up device (15) that transfers the bobbins from said reservoir onto the mandrel (107) unwinding the same, as the path of the bobbin to the pick-up station and the one of the pick-up device are paths intersecting each other and sensors being provided on the pick-up device to detect at least two sections or points diametrically opposed of the external perimeter and/or internal perimeter of the bobbin in the pick-up station, whereas the signals of the sensors are fed to a box that controls the drive of the motion of the bobbin itself and/or of the pick-up device. The invention also relates to a process of pick-up and transfer of the same bobbins. IMAGE