An apparatus for sensing a parameter at a plurality of a drafting system of a spinning machine applied to the fiber ribbons.

摘要

In a device for detecting a parameter at a plurality of slivers (7) supplied to a drafting system of a spinning machine, in particular for detecting the movement and / or the presence of a sliver, in which the parameter is separately measurable at each sliver (7), each sliver becomes (7) via a respective driven feed roller (8) withdrawn from sliver cans and fed to the drafting system and mechanically processed by a probe element (19) whose deflections are convertible into electrical signals and the probe element (19) is associated with a sensor element (20). In order to enable an improved and more accurate detection of the individual bands in a structurally simple manner, a contactless distance sensor (20) is provided for the position detection of each probe element (19), which is in communication with an electrical evaluation device.