Yarn deflection unit
AssigneeSaurer Intelligent Technology AG
InventorsHeinz-Josef Peuker, Philipp Schiffers, Joachim Sobkowiak
Life of this patent
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Abstract
A yarn deflection unit for a textile machine, having a housing comprising a curved wall section for forming a radially outer wall section of a curved yarn deflection channel. The solution proposed by the invention is distinguished in that the curved wall section has a yarn guiding groove extending along the curvature for receiving and guiding a yarn.
Claims16
A yarn deflection unit for a textile machine, having a housing comprising a curved wall section for forming a radially outer wall section of a curved yarn deflection channel,
- characterised in that
- the curved wall section has a yarn guiding groove extending along the curvature for receiving and guiding a yarn and that the yarn guiding groove is delimited in the curvature direction by ends forming respective yarn passages, the groove depths of which ends, proceeding from the common groove base, are different from each other.
A yarn deflection unit for a textile machine, having a housing comprising a curved wall section for forming a radially outer wall section of a curved yarn deflection channel,
- characterised in that
- the curved wall section has a yarn guiding groove extending along the curvature for receiving and guiding a yarn and the housing has a contact section for the contacting of an end section of a yarn guiding element, which end section is open toward the yarn guiding groove and via which end section a yarn can be guided into the yarn guiding groove or out of the yarn guiding groove and the yarn deflection unit has a retainer for retaining the open end section in at least one direction different from the guiding direction of the yarn.
A method for operating a workstation of a textile machine, having a winding device for winding a take-up package, a yarn feeding device for feeding a yarn and a yarn draw- off device, which is interposed between the winding device and the yarn feeding device in the yarn path, for drawing off a yarn from the take-up package;
- characterised in that
- a yarn deflection unit for a textile machine, having a housing comprising a curved wall section for forming a radially outer wall section of a curved yarn deflection channel, the curved wall section having a yarn guiding groove extending along the curvature for receiving and guiding a yarn, and wherein the yarn defection unit is arranged interposed between the winding device and the yarn draw-off device in the yarn path,
- take-up-package-side yarn end is transported from a take-up package, which is rotatably retained in the winding device, via the yarn deflection unit to the yarn draw-off device with air flow accompaniment after a yarn interruption, and
- the yarn end is inserted into the yarn draw-off device,
- wherein an air flow used to accompany the yarn is reduced or switched off when or after the yarn is inserted into the yarn draw-off device.
A workstation of a textile machine, having a winding device for winding a take- up package, a yarn feeding device for feeding a yarn and a yarn draw-off device, which is interposed between the winding device and the yarn feeding device in the yarn path, for drawing off a yarn;
- characterised in that
- a yarn deflection unit for a textile machine, having a housing comprising a curved wall section for forming a radially outer wall section of a curved yarn deflection channel, the curved wall section having a yarn guiding groove extending along the curvature for receiving and guiding a yarn, and wherein the yarn defection unit is arranged interposed between the winding device and the yarn draw-off device in the yarn path, is arranged, a deflection angle (α) provided by the yarn deflection unit being less than 85°.
Dependencies are inferred from the claim text.