EP1299585B1 - Verfahren und vorrichtung zur herstellung eines selbstzwirngarns - Google Patents
Verfahren und vorrichtung zur herstellung eines selbstzwirngarns Download PDFInfo
- Publication number
- EP1299585B1 EP1299585B1 EP01938135A EP01938135A EP1299585B1 EP 1299585 B1 EP1299585 B1 EP 1299585B1 EP 01938135 A EP01938135 A EP 01938135A EP 01938135 A EP01938135 A EP 01938135A EP 1299585 B1 EP1299585 B1 EP 1299585B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pulley
- rovings
- guiding
- self
- areas
- 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
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 241000139306 Platt Species 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
- D02G3/286—Doubled, plied, or cabled threads with alternatively "S" and "Z" direction of twist, e.g. Self-twist process
Definitions
- the invention relates to a method and an apparatus for producing a Self-twisting yarns according to the preamble of claim 1 and claim 11.
- Such methods and devices are from the prior art, for example according to the British patent GB 1 144 614, the German patent application DE 26 37,208 and U.S. Patent 4,279,120.
- Two rovings twisted in this way then become so stirred together that the two yarns automatically due to their tendency to turn back twist a so-called self-twist yarn, the Areas of the two rovings without twist or with less twist advantageously Are out of phase.
- the roving threads often break because this due to the friction on the deflection and union eyes heavy wear subject. This wear also leads to a reduced strength of the twisted self-twist yarn.
- Figure 1 shows schematically a device for producing a self-twist yarn.
- the device essentially comprises a drafting system 11 for producing two unrotated ones Rovings 2 and 3, a false twisting device 4, through which the rovings 2 and 3 Periodically alternating areas with S and Z rotations are issued, as well as one Twisting device 12 in which the two twisted rovings 2, 3 are brought together that they twist into a self-twist thread 1.
- the drafting system 11 is in the embodiment of Figure 1 as a roller drafting system two stretching rollers 13, 14 are formed.
- the wrong turning device 4 is a known Nitschel device. This has two essentially cylindrical, Nitschel rollers 7, 8 arranged parallel to the axis and rotating about their axes. The Nitschelwalzen 7, 8 rotate in opposite directions to each other and thereby promote the rovings 2, 3 clamped between them. In addition to their rotation, the two Nitschelwalzen 7, 8 in the axial direction between two limit positions. Through this Axial oscillation, the two rovings 2, 3 carried out are twisted and obtained thus a rotation.
- the rovings In a direction of oscillation, the rovings get an S twist, in a Z-rotation in the opposite direction of oscillation. Since the Nitschelwalzen 7, 8 in the rovings get to the reversal points of their axial movement Instants no rotation. Therefore, the alternating areas are with S and Z turns separated by areas without rotation or areas with less rotation.
- false turning device 4 shown in FIG. 1 with nitsch rollers 7, 8 can also be wrong-turn devices of the clamp type, such as in DE 198 27 870, or false twists, which prevent the rovings from twisting Issue air turbulence (as described, for example, in US Pat. No. 4,279,120) for use come.
- one of the two rovings 2 becomes over a deflection roller 5 guided on a guide roller 6.
- the other roving 3 is after Pass through the wrong turning device 4 directly to the guide roller 6 where the rovings 2, 3 are merged at the merging point 13.
- 3A is a Self-twisting yarn shown, which is produced by twisting two rovings 2, 3 together was, the rovings 2, 3 were brought together so that the areas without Rotation are directly opposite, i.e. are in phase. This also means that twisted self-twist yarn 1 the areas without twisting each on the same Job. Since the rovings are less strong in the areas without twist, the self-twist yarn also has lower strength at these points.
- the Areas without rotation have a phase distance of ⁇ .
- the phase distance ⁇ can be a fraction of the period of the alternating areas with S and Z rotations, where a 360 ° period through the distance L from two areas with the same direction Rotation is defined.
- the phase difference ⁇ is approximately 90 °.
- the rollers 5 and 6 are disc-shaped cylinders formed, one in the cylinder jacket to improve the leadership of the rovings 2,3 Guide notch 14 is formed.
- the guide notch 14 prevents slipping sideways the rovings 2, 3 from the guide surfaces 5a, 6a of the rolls 5, 6.
- the two rovings 2 and 3 are merged at the merging point 13 on the guide surface 6a of the guide roller 6.
- the rollers 5 and 6 Due to the distance between the axes of rotation 5b and 6b of the rollers 5 and 6, the additional path can be set, the roving 2 between the false twist 4 and the Merging point 13 compared to the other roving 3 has to cover.
- the rollers 5 and 6 are mounted so that their axes of rotation 5b and 6b in the plane, which is spanned by the two rovings 2 and 3, are mutually displaceable.
- the yarn strength of the self-made yarn 1 produced it has also proven to be proven particularly advantageous if the two rovings 2, 3 in the area of False turning device 4 and in the area in front of the guide over the deflection roller 5 in the run essentially parallel to one another, the roving 3, which does not have the Deflection roller 5 is guided in the area between the false twisting device 4 and the Junction point 13 runs in the same direction as the twisted one Self-twine 1.
- This course of rovings 2 and 3 before they are brought together enables twisting without the rovings being under tension or sticking to one another the guide roller 6 can get caught. This ensures a constant distance between the untwisted zones of rovings 2 and 3 in twisted self-twist yarn 1.
- the twisteddicazwirngarn, 1 in the yarn running direction after the merge point 13 over a rotatably mounted pressure roller 10 are guided.
- This enables a clean and tension-free guidance of the twisted self-twisting yarn 1.
- this can Roving 3, which is not deflected via the deflection roller 5, in the yarn running direction C. the merging point 13 via a pressure roller 9 on the guide surface 6a Guide roller 6 are performed.
- a tension-free reunification the rovings 2 and 3 contribute significantly to improving the yarn strength of the Self-twist yarn 1 and also causes one over the length of the self-twist yarn 1 constant distance between the unrotated zones. This in turn improves the Properties of fabrics woven with such self-twist yarns 1 with regard to their Strength and in terms of their visual impression.
- the present invention has the advantage that the rovings by the deflection and the junction cannot be worn or damaged.
- eyelets occurs namely, due to the friction of the yarns on the eyelets, wear on the rovings 2, 3, before they are merged into self-twist yarn 1.
- the Hooks 2, 3 get caught in the eyelets, which often leads to thread breaks during the Manufacturing process comes. This leads to frequent and undesirable interruptions in the Manufacturing process.
- the rovings 2, 3 can become caught in the eyelets Unevenness in the distance between the untwisted zones in the self-twist thread 1. This causes an unfavorable appearance of fabrics woven with such self-twist yarns.
- Self-twisted yarns are produced, which, compared to conventionally produced, one have up to 60% higher tensile strength.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Description
- Figur 1:
- Schematische Darstellung einer Vorrichtung zur Herstellung eines Selbstzwimgames;
- Figur 2:
- schematische Darstellung einer Falschdreheinrichtung zur Erzeugung eines Vorgarnes mit periodisch abwechselnden Bereichen mit S- und Z-Drehungen;
- Figur 3A:
- illustrative Darstellung zweier Vorgarne von Figur 2 sowie eines aus diesen Vorgarnen durch deren Zusammenführung ohne Phasendifferenz hergestellten Selbstzwirngarnes;
- Figur 3B:
- illustrative Darstellung zweier Vorgarne von Figur 2 sowie eines aus diesen Vorgarnen durch deren Zusammenführung mit einer Phasendifferenz zwischen den ungedrehten Bereichen hergestellten Selbstzwirngarnes.
- Figur 4:
- Draufsicht auf eine Vorrichtung zur Herstellung eines Selbstzwirngarnes;
- Figur 5:
- Seitenansicht der Vorrichtung von Figur 5;
- Figur 6:
- vorteilhafte Ausführungsform einer Vorrichtung gemäß Figur 4.
Claims (11)
- Verfahren zur Herstellung eines Selbstzwirngarns (1), bei dem zunächst mindestens zwei Vorgarne (2, 3) zwischen mindestens einer Falschdreheinrichtung (4) durchgeführt werden, wodurch den Vorgarnen (2,3) jeweils periodisch abwechselnd Bereiche mit S-und Z-Drehungen erteilt werden, welche durch Bereiche ohne Drehung (0) voneinander getrennt sind und die Vorgarne (2, 3) anschließend so zusammengeführt werden, daß sie sich aufgrund ihrer Eigendrehung selbsttätig zusammendrehen, wobei die Bereiche ohne Drehung (0) im zusammengedrehten Selbstzwirngarn (1) eine Phasendifferenz () aufweisen, dadurch gekennzeichnet, daß zur Erteilung der Phasendifferenz () mindestens eines der Vorgarne (2) nach der Durchführung durch die Falschdreheinrichtung (4) über mindestens eine Umlenkrolle (5) auf eine Führungsrolle (6) geführt wird und die Zusammenführung der Vorgarne (2, 3) auf der Führungsfläche (6a) der Führungsrolle (6) erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Phasendifferenz () zwischen 90° und 135° liegt.
- Verfahren nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die beiden Vorgarne (2, 3) im Bereich der Falschdreheinrichtung (4) und vor der Führung über die Umlenkrolle (5) im wesentlichen parallel zueinander verlaufen, ein Vorgarn (2) unter Änderung der ursprünglichen Laufrichtung (C) über eine Umlenkrolle (5) auf die Führungsrolle (6) geführt wird und das andere Vorgarn (3) ohne Änderung der ursprünglichen Laufrichtung (C) Zusammenführung der Vorgarne (2, 3) auf die Führungsfläche (6a) der Führungsrolle (6) geführt wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß das Vorgarn (3), welches nicht über die Umlenkrolle (5) geführt wird, durch eine drehbar gelagerte Andrückrolle (9) zur Zusammenfübrung mit dem anderen Vorgarn (2) auf die Führungsfläche (6a) der Führungsrolle (6) geführt wird.
- Verfahren nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß das zusammengedrehte Selbstzwirngarn (1) in Garnlaufrichtung (C) nach der Führungsrolle (6) über eine drehbar gelagerte Andrückrolle (10) geführt wird.
- Verfahren nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der Winkelbereich, in welchem das über die Umlenkrolle (5) geführte Vorgarn (2) an deren Führungsfläche (5a) anliegt, zwischen 70° und 200°, vorzugsweise zwischen 80° und 120° beträgt.
- Verfahren nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der Winkelbereich, in welchem das über die Umlenkrolle (5) auf die Führungsrolle (6) geführte Vorgarn (2) an deren Führungsfläche (6a) anliegt, zwischen 70° und 200°, vorzugsweise zwischen 80° und 120° beträgt.
- Vorrichtung zur Herstellung eines Selbstzwirngarns mit mindestens einer Falschdreheinrichtung (4), in der den mindestens zwei Vorgarnen (2, 3) abwechselnd Bereiche mit S- und Z-Drehungen erteilbar sind, welche durch Bereiche ohne Drehung voneinander getrennt sind, und einer Verzwirnvorrichtung, in der mindestens zwei der Vorgarne (2, 3) so zusammenführbar sind, daß sie sich zu einem Selbstzwirngarn selbsttätig zusammendrehen, wobei im zusammengedrehten Selbstzwirngarn die Bereiche der Vorgarne ohne Drehung außer Phase liegen, dadurch gekennzeichnet, daß die Verzwirnvorrichtung von mindestens einer Umlenkrolle (5) und einer Führungsrolle (6) gebildet ist, wobei die Umlenkrolle (5) mindestens eines der Vorgarne (2) aus der ursprünglichen Garnlaufrichtung (C) umlenkt und auf Führungsrolle (6) führt, auf deren Führungsfläche (6a) die Zusammenführung mit mindestens einem anderen Vorgarn (3) erfolgt.
- Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Führungsrolle (6) und die oder jede Umlenkrolle (5) einen Durchmesser von mindestens 10% der Periodenlänge (L) der abwechselnd S- und Z-gedrehten Bereiche des zusammengedrehten Selbstzwirngarns (1) aufweisen.
- Vorrichtung nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, daß die oder jede Falschdreheinrichtung (4) gebildet wird durch zwei im wesentlichen zylindrisch ausgebildete und achsenparallel angeordnete Nitschelwalzen (7, 8), welche sich um ihre Achsen (7a, 8a) gegenläufig drehen und axial relativ zueinander zwischen zwei Grenzstellungen oszillieren.
- Vorrichtung nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Führungsrolle (6) und die oder jede Umlenkrolle (5) drehbar gelagert sind, wobei ihre Drehachsen senkrecht zur Ebene stehen, welche durch die beiden Vorgarne (2, 3) aufgespannt wird und die Führungsrolle (6) in Garnlaufrichtung (C) nach der oder jeder Umlenkrolle (5) angeordnet ist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10032708A DE10032708C1 (de) | 2000-07-07 | 2000-07-07 | Verfahren und Vorrichtung zur Herstellung eines Selbstzwirngarns |
| DE10032708 | 2000-07-07 | ||
| PCT/EP2001/004812 WO2002004722A1 (de) | 2000-07-07 | 2001-04-28 | Verfahren und vorrichtung zur herstellung eines selbstzwirngarns |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1299585A1 EP1299585A1 (de) | 2003-04-09 |
| EP1299585B1 true EP1299585B1 (de) | 2004-08-18 |
| EP1299585B9 EP1299585B9 (de) | 2004-12-01 |
Family
ID=7647908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01938135A Expired - Lifetime EP1299585B9 (de) | 2000-07-07 | 2001-04-28 | Verfahren und vorrichtung zur herstellung eines selbstzwirngarns |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1299585B9 (de) |
| KR (1) | KR100493736B1 (de) |
| CN (1) | CN1170022C (de) |
| AT (1) | ATE274083T1 (de) |
| AU (1) | AU2001263872A1 (de) |
| DE (2) | DE10032708C1 (de) |
| TR (1) | TR200402205T4 (de) |
| TW (1) | TW490516B (de) |
| WO (1) | WO2002004722A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ522596A (en) * | 2002-11-14 | 2005-11-25 | David Arthur Lee | Apparatus for producing a yarn |
| ES2440809T3 (es) * | 2002-11-14 | 2014-01-30 | The Merino Company Limited | Aparato para producir un hilo |
| DE102004002502B3 (de) * | 2004-01-17 | 2005-02-10 | Saurer Hamel Ag | Rollenanordnung für eine Vorrichtung zur Herstellung eines Selbstzwirngarns sowie Verfahren zur Herstellung eines Selbstzwirngarns |
| NZ552416A (en) * | 2006-12-22 | 2009-07-31 | Summit Wool Spinners Ltd | Self twisting yarn production with speed control of take-up holder |
| CN103114358A (zh) * | 2013-01-06 | 2013-05-22 | 昌吉溢达纺织有限公司 | 一种提高纺纱效率的方法 |
| CN103924350B (zh) * | 2014-04-14 | 2016-08-17 | 上海八达纺织印染服装有限公司 | 一种捻合纱加工方法及其加工装置 |
| CN103938320B (zh) * | 2014-04-14 | 2016-08-17 | 上海八达纺织印染服装有限公司 | 一种涤棉自捻纱线的加工方法 |
| US10519578B2 (en) * | 2015-10-29 | 2019-12-31 | Federal-Mogul Powertrain Llc | Self-wrapping, braided textile sleeve with self-sustaining expanded and contracted states and method of construction thereof |
| EP3918120A4 (de) | 2019-01-30 | 2022-03-30 | TMC Limited | Garn, verfahren und vorrichtung zur herstellung von garn und daraus hergestellte produkte |
| CN111549409B (zh) * | 2020-04-28 | 2021-07-20 | 浙江双兔新材料有限公司 | 一种异捻异染复合纱生产装置、生产工艺及复合纱 |
| CN112877831B (zh) * | 2020-09-22 | 2025-02-25 | 武汉纺织大学 | 一种搓捻定型式调整纤维排列结构的加工方法及纱线 |
| CN112877829B (zh) * | 2020-09-22 | 2024-11-01 | 武汉纺织大学 | 环锭细纱机上纺制股线结构单纱的纺纱方法及装置 |
| CN112877830B (zh) * | 2020-09-22 | 2025-08-22 | 武汉纺织大学 | 细纱机上横动调控纤维成纱结构的纺纱方法及装置和纱线 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225533A (en) * | 1961-10-19 | 1965-12-28 | Commw Scient Ind Res Org | Apparatus and process for forming yarns and other twisted assemblies |
| GB1144614A (en) * | 1966-08-09 | 1969-03-05 | Commw Scient Ind Res Org | Twisted thread assemblies |
| US3488939A (en) * | 1967-08-09 | 1970-01-13 | Commw Scient Ind Res Org | Twisted thread assemblies |
| US4084400A (en) * | 1976-08-17 | 1978-04-18 | Pavel Mikhailovich Movshovich | Method of making self-twisted fibrous product from at least two strands |
| US4279120A (en) * | 1978-06-08 | 1981-07-21 | Wwg Industries, Inc. | Self twist yarn and method and apparatus for making such yarns |
| DE3719281A1 (de) * | 1987-06-10 | 1988-12-22 | Fritz Stahlecker | Verfahren und vorrichtung zum erzeugen von jeweils zwei fadenkomponenten |
| DE19827870C1 (de) * | 1998-06-23 | 1999-10-07 | Saurer Allma Gmbh | Verfahren zur Herstellung eines abwechselnd S- und Z-Drehungen aufweisenden Filamentgarnes |
-
2000
- 2000-07-07 DE DE10032708A patent/DE10032708C1/de not_active Expired - Fee Related
-
2001
- 2001-04-28 AT AT01938135T patent/ATE274083T1/de not_active IP Right Cessation
- 2001-04-28 DE DE50103343T patent/DE50103343D1/de not_active Expired - Lifetime
- 2001-04-28 WO PCT/EP2001/004812 patent/WO2002004722A1/de not_active Ceased
- 2001-04-28 KR KR10-2002-7003048A patent/KR100493736B1/ko not_active Expired - Fee Related
- 2001-04-28 TR TR2004/02205T patent/TR200402205T4/xx unknown
- 2001-04-28 EP EP01938135A patent/EP1299585B9/de not_active Expired - Lifetime
- 2001-04-28 AU AU2001263872A patent/AU2001263872A1/en not_active Abandoned
- 2001-04-28 CN CNB018019447A patent/CN1170022C/zh not_active Expired - Fee Related
- 2001-05-24 TW TW090112507A patent/TW490516B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1299585B9 (de) | 2004-12-01 |
| CN1386148A (zh) | 2002-12-18 |
| DE50103343D1 (de) | 2004-09-23 |
| WO2002004722A1 (de) | 2002-01-17 |
| EP1299585A1 (de) | 2003-04-09 |
| ATE274083T1 (de) | 2004-09-15 |
| KR20020063160A (ko) | 2002-08-01 |
| KR100493736B1 (ko) | 2005-06-10 |
| TW490516B (en) | 2002-06-11 |
| AU2001263872A1 (en) | 2002-01-21 |
| TR200402205T4 (tr) | 2004-10-21 |
| DE10032708C1 (de) | 2002-01-31 |
| CN1170022C (zh) | 2004-10-06 |
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