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US 11,913,141 B2Granted
Drafting system for a textile machine
AssigneeSaurer Intelligent Technology AG
InventorsChristian Griesshammer, Ludek Malina
Life of this patent
Estimating the term…
Abstract
In a drafting system (1) for a textile machine, in particular an air-spinning machine, for drafting a strand-shaped fibre band fed to the drafting system, having a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band and each having a top roller (3) and a bottom roller (4), and a weighting device for applying a load to the top roller (3) of the plurality of roller pairs; wherein the respective bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), wherein the respective top roller (3) is mounted and held in the housing (2) of the drafting system (1) by means of a top roller carrier (30) which can be pivoted about a rotary axis.
Claims20
A drafting system (1) for a textile machine for drawing a strand-shaped fibre band fed to the drafting system, comprising:
- a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band, each roller pair of the plurality of roller pairs comprising:
- a top roller (3);
- a bottom roller (4);
- and
- an individually adjustable weighting device (40) configured to apply a load to the top roller (3) of the plurality of roller pairs
- wherein:
- the bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), and
- the top roller (3) is mounted and held in the housing (2) of the drafting system (1) via a top roller carrier (30) configured to be pivoted about a rotary axis;
- and
- a swiveling weighting arm (20) configured to be brought into an open position and a closed position,
- wherein:
- the weighting arm (20) comprises the individually adjustable weighting device (40) for each roller pair of the plurality of roller pairs, configured to apply a load to the pivotable top roller carrier (30) in a weighting position when the weighting arm (20) is closed,
- the weighting device (40) comprises a convex load head (42), and
- the load head (42) is capable of being moved and attached to the top roller carrier (30) in various positions along the running direction (A) of the fibre band, such that a point of application of the load by the weighting device is capable of being brought into a desired position relative to the top roller carrier (30) and fixed in place.
11 more elements
A drafting system (1) for a textile machine for drawing a strand-shaped fibre band fed to the drafting system, comprising:
- a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band, each roller pair of the plurality of roller pairs comprising:
- a top roller (3);
- a bottom roller (4);
- and
- an individually adjustable weighting device (40) configured to apply a load to the top roller (3) of the plurality of roller pairs
- wherein:
- the bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), and
- the top roller (3) is mounted and held in the housing (2) of the drafting system (1) via a top roller carrier (30) configured to be pivoted about a rotary axis;
- and
- a swiveling weighting arm (20) configured to be brought into an open position and a closed position,
- wherein:
- the weighting arm (20) comprises the individually adjustable weighting device (40) for each roller pair of the plurality of roller pairs, configured to apply a load to the pivotable top roller carrier (30) in a weighting position when the weighting arm (20) is closed,
- the bottom rollers (4) are each mounted on a bottom roller carrier (2a) fixed in the housing (2), and
- the pivotable top roller carrier (30) is connected to the bottom roller carrier (2) such that it can pivot about a rotary axis (31) of the top roller carrier (30).
11 more elements
A drafting system (1) for a textile machine for drawing a strand-shaped fibre band fed to the drafting system, comprising:
- a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band, each roller pair of the plurality of roller pairs comprising:
- a top roller (3);
- a bottom roller (4);
- and
- an individually adjustable weighting device (40) configured to apply a load to the top roller (3) of the plurality of roller pairs
- wherein:
- the bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), and
- the top roller (3) is mounted and held in the housing (2) of the drafting system (1) via a top roller carrier (30) configured to be pivoted about a rotary axis;
- a top roller axis (31) of the top roller (3), mounted at both ends in a top roller yoke (32) attached to the top roller carrier (30);
- and
- a swiveling weighting arm (20) configured to be brought into an open position and a closed position,
- wherein the weighting arm (20) comprises the individually adjustable weighting device (40) for each roller pair of the plurality of roller pairs, configured to apply a load to the pivotable top roller carrier (30) in a weighting position when the weighting arm (20) is closed.
9 more elements
A drafting system (1) for a textile machine for drawing a strand-shaped fibre band fed to the drafting system, comprising:
- a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band, each roller pair of the plurality of roller pairs comprising:
- a top roller (3);
- a bottom roller (4);
- and
- an individually adjustable weighting device (40) configured to apply a load to the top roller (3) of the plurality of roller pairs
- wherein:
- the bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), and
- the top roller (3) is mounted and held in the housing (2) of the drafting system (1) via a top roller carrier (30) configured to be pivoted about a rotary axis;
- and
- a swiveling weighting arm (20) configured to be brought into an open position and a closed position,
- wherein:
- the weighting arm (20) comprises the individually adjustable weighting device (40) for each roller pair of the plurality of roller pairs, configured to apply a load to the pivotable top roller carrier (30) in a weighting position when the weighting arm (20) is closed, and
- the weighting device (40) is configured to be brought into a weighting position or a non-weighting position when the weighting arm (20) is in the closed position.
10 more elements
A drafting system (1) for a textile machine for drawing a strand-shaped fibre band fed to the drafting system, comprising:
- a plurality of roller pairs arranged in succession in a running direction (A) of the fibre band, each roller pair of the plurality of roller pairs comprising:
- a top roller (3);
- a bottom roller (4);
- and
- an individually adjustable weighting device (40) configured to apply a load to the top roller (3) of the plurality of roller pairs
- wherein:
- the bottom roller (4) is mounted and held in a housing (2) of the drafting system (1), and
- the top roller (3) is mounted and held in the housing (2) of the drafting system (1) via a top roller carrier (30) configured to be pivoted about a rotary axis;
- and
- a swiveling weighting arm (20) configured to be brought into an open position and a closed position,
- wherein:
- the weighting arm (20) comprises the individually adjustable weighting device (40) for each roller pair of the plurality of roller pairs, configured to apply a load to the pivotable top roller carrier (30) in a weighting position when the weighting arm (20) is closed, and
- a point of application of the load by the weighting device (40) is offset with respect to a middle of the top roller (3) along a top roller axis (34).
10 more elements
Dependencies are inferred from the claim text.