EP1178138B1 - Offenend-Spinnvorrichtung sowie Rotordeckel - Google Patents
Offenend-Spinnvorrichtung sowie Rotordeckel Download PDFInfo
- Publication number
- EP1178138B1 EP1178138B1 EP01116884A EP01116884A EP1178138B1 EP 1178138 B1 EP1178138 B1 EP 1178138B1 EP 01116884 A EP01116884 A EP 01116884A EP 01116884 A EP01116884 A EP 01116884A EP 1178138 B1 EP1178138 B1 EP 1178138B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- cover
- recess
- spinning rotor
- spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
- D01H4/10—Rotors
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
Definitions
- the present invention relates to an open-end spinning device according to the preamble of claim 1 and a rotor lid according to the Preamble of claim 2.
- DE 29 31 567 A1 discloses an open-end spinning device with a Spinning rotor a rotor lid with a lid attachment, a thread take-off channel and a fiber feed channel, in which a suction port connected to a vacuum source in the lid extension of the rotor lid inside the Spinning rotor, separated from the thread take-off path, against the inner wall of the rotor is directed.
- An angled suction channel connects to the suction opening on which one, through the connection with the suction opening, forms a recess in the lid extension which is open at the rear, that is bounded on its side facing away from the rotor lid by a collar.
- the object of the present invention is an open-end spinning device to create, which avoids these disadvantages and with the help of a positive influence on the yarn quality especially with regard to its Strength is achieved.
- the length range of the cover attachment having the collar trained over its entire scope according to claim 3 what both in terms of production, but also in terms of Yarn loss is an advantage.
- the recess according to the invention is preferably one or more of claims 4 to 9, since such a training of Subject of the invention surprisingly to particularly good yarn results leads.
- the subject of the invention leads to better yarn results, in particular in terms of yarn strength and yarn uniformity.
- the device according to the invention is simple to manufacture and can also be retrofitted in a Open-end spinning machine can be used.
- Fig. 2 shows a spinning rotor 1, which is known and therefore not shown Way stored and driven by means of a shaft 10.
- the spinning rotor 1 itself is located in a housing 7, which is connected to a vacuum line 70 is connected.
- the spinning rotor 1 On its side facing away from the shaft 10, the spinning rotor 1 has one open side 11, which during the spinning process through a rotor lid 2 is covered. This has on its side facing the spinning rotor 1 a lid extension 3, which protrudes into the open side 11 of the spinning rotor 1 and receives a fiber feed channel 5 which one against the inner peripheral wall 12 of the spinning rotor 1 directed inlet mouth 50 has.
- This fiber feed channel 5 has the task of spinning the rotor 1 single fibers (not shown) to be fed into a fiber collecting groove 13 of the Spinning rotor 1 collected and in the end of a thread (also not shown) be involved, which is continuously by a concentric to the cover extension 3 in the rotor cover 2 arranged thread take-off tube 6 the spinning rotor 1 removed and wound on a spool, not shown becomes.
- the cover extension 3 has a conical peripheral surface 30 on, which is interrupted in a partial area by a recess 4 is.
- This recess 4 does not extend to the rotor lid 2 facing end face 31 of the cover approach 3, but is from this is kept separate by a collar 40.
- the fibers are transported into the spinning rotor 1 with the aid of an air stream, the by the negative pressure applied to the vacuum line 70 in Spinning rotor 1 is generated.
- the fibers In the spinning rotor 1, the fibers must be removed from the air flow, with the help of which they were conveyed into the spinning rotor 1, separated and placed on the inner peripheral wall 12 of the spinning rotor 1, along which they due to the taper of this inner peripheral wall 12 and the rotational speed of the high speed during the spinning process rotating spinning rotor 1 into the fiber collecting groove 13 to slide into the To be integrated at the end of the thread that is continuously drawn.
- the recess 4 causing the air expansion begins, based on the Direction of rotation indicated by an arrow f during the spinning process rotating spinning rotor 1, in the embodiment shown between 30 ° to 130 ° after the outlet mouth 50 of the fiber feed channel 5.
- the beginning of the recess 4 depends in individual cases on various factors such as the feed speed of the transport air flow, diameter and Speed of rotation of the spinning rotor 1, etc.
- the recess 4 extends over a larger circumferential area of the lid attachment 3.
- the circumferential area is usually larger than that of the distance from the start the recess after the fiber feed channel (angle ⁇ ) and can be more than three quarters of the circumference of the lid attachment are sufficient, so that one such training the recess 4 at an acute angle ⁇ before Exit mouth 50 of the fiber feed channel 5 ends.
- the air becomes the open side 11 of the spinning rotor 1, which is due to the action of negative pressure is achieved with the help of the negative pressure line under vacuum 70 comes into effect in the housing 7 surrounding the spinning rotor 1.
- the resulting negative pressure in the housing 7 causes that in the spinning rotor 1 air is conveyed to the open side 11 of the spinning rotor 1 and leave it here towards housing 7.
- the device described above is not limited to the training discussed, but can in many ways within the scope of the present invention To be modified.
- the Recess 4 extends along a generatrix M of the cover extension 3.
- a recess 41 is provided, which is inclined in such a way that - in relation to the direction of rotation of the spinning rotor 1 marked by the arrow f - on the collar 40 begins and with increasing distance from the outlet mouth 50 of the The fiber feed channel 5 moves further and further away from the collar 40 and the rotor lid 2 approaches.
- the fact is taken into account that the air in the spinning rotor 1 is entrained by it during its rotation is and its open side 11 is fed along a helix.
- the beginning of the recess 4 is also at the point where the air expansion is desired to keep the air speed in the interest a safe removal of the fibers from the transport air flow reduce, while the inclination of the recess 41, the removal of air favored the inside of the spinning rotor 1.
- Ring surface 20 is intended in connection with the present description that area of the rotor lid 2 can be understood, which the open side 11 of the spinning rotor 1, d. H. the rotor edge, is independent whether the rotor lid has 2 more radial surfaces, the have a different function and define a different level and which for example - if necessary with the interposition of a suitable one Seal - for contact with the housing 7 receiving the spinning rotor 1 reach.
- the recess 4 or 41 can be parallel to the rotor axis at both ends A (see Fig. 1) as well as on its sides in the circumferential direction of the Lid attachment 3 may be shaped in different ways. So are abrupt Transitions as possible as gradual transitions. The choice like this Ends or sides of the recess 4 or 41 are formed depends on the one hand depending on the manufacturing possibilities, but on the other hand it must That turbulence is taken in the air flow that affects the fiber separation and storage could have a negative impact. It has shown that there is an essentially radial boundary surface 42 (FIG. 2), in particular at the end of the recess facing the collar 40 4 or 41 has a particularly advantageous effect on the yarn loss.
- the recess 4 or 41 is in the exemplary embodiments shown formed during the manufacture of the rotor lid 2, for example by appropriate shaping during the casting process or by cutting Forming. Also an essentially radial boundary surface 42 can be produced in this way during the manufacture of the rotor cover 2. But it can also be advantageously provided that the federal government 40 through the plate-like collar of a standard, interchangeable thread take-off nozzle (not shown) is formed, such a collar 40 extends correspondingly radially outwards so that it has the cutout 4 and 41 at their end facing away from the rotor lid 2 in the described Way limited.
- the lid extension 3 in viewed in the axial direction can be formed briefly, without affecting the collar 40 and its beneficial effect must be dispensed with.
- the cover extension 3 has a Outer contour on, including across its entire circumferential area the portion in which the collar 40 is located is unchanged. This is useful for manufacturing reasons alone, but usually also advantageous for the air flow within the spinning rotor 1. However, it does nothing to the contrary if the peripheral area of the lid extension 3 is different has trained areas.
- the lid extension 3 in the area between the outlet mouth 50 of the fiber feed channel 5 and the beginning of the recess 4 or 41 on the one hand and the end face 31 of the cover extension 3 on the other hand Has fiber guide surface (not shown), which is relatively far in the direction extends to the inner peripheral wall 12 of the spinning rotor 1 and a larger one Distance from the thread take-off tube 6 than the remaining peripheral region the lid approach 3 to the orderly placement of the fibers on this inner peripheral surface Favor 12.
- Following such a fiber guide surface can reduce the diameter of the lid approach 3 done on its normal outside diameter, this Diameter reduction partly also in the area of the federal government 40 can be enough.
- the peripheral surface 30 of the cover extension 3 is not in line with that in FIGS 4 shown conical shape bound, but can optionally also one have cylindrical shape or different lengths Put the shape together, the recess 4 or 41 in a suitable Arranged in this peripheral surface 30 is independent of it special shape.
- the special shape of the front side plays in a similar way 31 of the lid approach no role in connection with the training the recess 4 or 41 or the delimiting the recess 4 or 41 Federal 40th
- Thread draw-off tube 6 which is at least partially in the lid attachment.
- Thread take-off tube 6 can be interpreted in such a way that it too a conventional thread take-off nozzle or other thread guide in the cover attachment 3 serving elements such as B. an axial bore; an assignment etc. includes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
- Figur 1
- einen erfindungsgemäß ausgebildeten Rotordeckel in perspektivischer Ansicht;
- Figur 2
- den in Fig. 1 gezeigten Rotordeckel im Schnitt zusammen mit dem Spinnrotor und einem Teil seines Gehäuses;
- Figur 3
- eine Abwandlung des in den Fig. 1 und 2 gezeigten Rotordeckels in perspektivischer Ansicht; und
- Figur 4
- eine abgeänderte Ausbildung des in Fig.3 gezeigten Rotor deckels in der Frontansicht.
Claims (9)
- Offenend-Spinnvorrichtung mit einem Spinnrotor (1), dessen offene Seite (11) durch einen Rotordeckel (2) abdeckbar ist, der einen in das Innere des Spinnrotors (1) ragenden Deckelansatz(3) aufweist, welcher die Austrittsmündung (50) eines Faserspeisekanals (5) und die Eintrittsmündung eines Fadenabzugsrohres (6) aufnimmt und in einem Teilbereich seines Umfanges einen Abschnitt aufweist, in welchem der Deckelansatz (3) vom Spinnrotor (1) einen größeren Abstand aufweist als sein restlicher Umfangsbereich, wobei der Rotordeckel (2) eine Radialfläche (20) umfasst, die so ausgeformt ist, dass zwischen der Radialfläche (20) und dem Rand des Spinnrotors (1) ein Zwischenraum zur Abfuhr der Luft aus dem Spinnrotor verbleibt, wobei der einen größeren Abstand vom Spinnrotor (1) aufweisende Abschnitt des Deckelansatzes (3) Aussparung (4, 41) ausgebildet ist, die auf ihrer dem Rotordeckel (2) abgewandten Seite durch einen Bund (40) begrenzt ist, dadurch gekennzeichnet dass die Aussparung (4, 41) rückwärtig geschlossen ausgebildet ist.
- Rotordeckel zum Abdecken der offenen Seite (11) eines Spinnrotors (1) einer Offenend-Spinnvorrichtung, wobei der Rotordeckel(2) einen ihn überragenden Deckelansatz (3) aufweist, welcher die Austrittsmündung (50) eines Faserspeisekanals (5) und einen Teil eines Fadenabzugsrohres (6) aufnimmt und in einem Teilbereich seines Umfanges einen Abschnitt aufweist, in welchem der Deckelansatz (3) vom Fadenabzugsrohr (6) einen geringeren Abstand aufweist als sein restlicher Umfangsbereich, wobei der Rotordeckel (2) eine Radialfläche (20) umfasst, die so ausgeformt ist, dass zwischen der Radialfläche (20) und dem Rand des Spinnrotors (1) ein Zwischenraum zur Abfuhr der Luft aus dem Spinnrotor (1) verbleibt, wobei der einen geringeren Abstand vom Fadenabzugsrohr (6) aufweisende Abschnitt des Deckelansatzes (3) als Aussparung (4, 41) ausgebildet ist, die auf ihrer dem Rotordeckel (2) abgewandten Seite durch einen Bund (40) begrenzt ist dadurch gekennzeichnet dass die Aussparung (4, 41) rückwärtig geschlossen ausgebildet ist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Deckelansatz (3) sowohl in dem den Bund (40) aufweisenden Teilbereich seiner Umfangsfläche (30) als auch im restlichen Umfangsbereich im wesentlichen eine gleichbleibende Außenkontur aufweist.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Aussparung (4, 41) an ihrem dem Bund (40) zugewandten Ende eine im wesentlichen radiale Begrenzungsfläche (42) aufweist.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Aussparung (4, 41) in bezug auf die Drehrichtung (f) des Spinnrotors (1) betrachtet zwischen 30° bis 130° nach der Austrittsmündung (50) des Faserspeisekanals (5) beginnt.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Aussparung (4, 41) eine solche Ausdehnung in Umfangsrichtung des Deckelansatzes (3) aufweist, dass sie in Bezug auf die Drehrichtung (f) des Spinnrotors (1) betrachtet in einem spitzen Winkel (β) vor der Austrittsmündung (50) des Faserspeisekanals (5) endet.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Aussparung (4, 41) im wesentlichen bis zu einem die Radialfläche (20) des Rotordeckels (2) überragenden Teilabschnitt der Wandung (51) des Faserspeisekanals (5) reicht.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Aussparung (41) gegenüber der Mantellinie (M) des Deckelansatzes (3) eine Neigung in der Weise aufweist, dass - in Drehrichtung (f) des Spinnrotors (1) gesehen - der Anfang der Aussparung (41) dem Bund (40) und sein Ende dem Rotordeckel (2) zugekehrt ist.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Aussparung (4, 41) bis zu einer die offene Seite (11) des Spinnrotors (1) abdeckenden Radialfläche (20) des Rotordeckels (2) reicht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10038863 | 2000-08-04 | ||
DE10038863A DE10038863A1 (de) | 2000-08-04 | 2000-08-04 | Offenend-Spinnvorrichtung sowie Rotordeckel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1178138A1 EP1178138A1 (de) | 2002-02-06 |
EP1178138B1 true EP1178138B1 (de) | 2004-11-03 |
Family
ID=7651850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01116884A Expired - Lifetime EP1178138B1 (de) | 2000-08-04 | 2001-07-11 | Offenend-Spinnvorrichtung sowie Rotordeckel |
Country Status (3)
Country | Link |
---|---|
US (1) | US6497089B2 (de) |
EP (1) | EP1178138B1 (de) |
DE (2) | DE10038863A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114064A1 (de) * | 2022-06-03 | 2023-12-14 | Saurer Spinning Solutions Gmbh & Co. Kg | Fadenabzugsdüse sowie Offenend-Spinnvorrichtung mit einer Fadenabzugsdüse |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH455597A (de) * | 1967-09-27 | 1968-07-15 | Rieter Ag Maschf | Spinnvorrichtung |
FR2189546B1 (de) | 1972-06-23 | 1974-10-25 | Mulhouse Alsac Const Mec | |
DE2419670C2 (de) * | 1974-04-24 | 1983-09-22 | Stahlecker, Fritz, 7347 Bad Überkingen | Offenend-Spinnaggregat |
DE2931567C2 (de) | 1979-08-03 | 1989-11-23 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Offenend-Spinnvorrichtung |
DE2947480A1 (de) * | 1979-11-24 | 1981-06-04 | W. Schlafhorst & Co, 4050 Mönchengladbach | Offenend-spinnaggregat |
DE19502917C2 (de) * | 1995-01-31 | 2002-01-24 | Fritz Stahlecker | Fadenabzugsdüse für OE-Spinnvorrichtungen |
DE19724882B4 (de) * | 1997-06-12 | 2009-12-03 | Maschinenfabrik Rieter Ag | Adapter für Offenend-Rotorspinnvorrichtungen |
DE19857160B4 (de) * | 1998-12-11 | 2011-09-15 | Maschinenfabrik Rieter Ag | Vorrichtung zum Offenend-Spinnen |
DE19859164B4 (de) * | 1998-12-21 | 2008-02-07 | Oerlikon Textile Gmbh & Co. Kg | Kanalplattenadapter für eine Offenend-Spinnvorrichtung |
-
2000
- 2000-08-04 DE DE10038863A patent/DE10038863A1/de not_active Withdrawn
-
2001
- 2001-07-11 DE DE50104359T patent/DE50104359D1/de not_active Expired - Fee Related
- 2001-07-11 EP EP01116884A patent/EP1178138B1/de not_active Expired - Lifetime
- 2001-08-01 US US09/920,348 patent/US6497089B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20020046558A1 (en) | 2002-04-25 |
US6497089B2 (en) | 2002-12-24 |
DE10038863A1 (de) | 2002-02-14 |
DE50104359D1 (de) | 2004-12-09 |
EP1178138A1 (de) | 2002-02-06 |
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