Device for forming a supply bobbin from a thread advanced from a yarn supply

摘要

A device for forming a supply bobbin from a thread advanced from a yarn supply includes a stationary winding drum having a winding space around the drum and defining an internal chamber and a slit connecting the winding space and the chamber. A rotatably mounted thread guide means for winding yarn on the winding space of the drum is included and a plurality of pins rotatably mounted within the chamber of the winding drum are provided for movement in an axial plane with respect to the winding drum through the slit one after the other. The pins successively exit and enter the chamber of the winding drum through the slit. Means are provided for so driving the pins continuously in a fixed transmission ratio with respect to the thread guide means that the pins exit from the chamber after a predetermined plurality of yarn windings have been formed on the winding space of the drum. The pins separate successive series of yarn windings by each momentarily forming a barrier for yarn windings.