EP2756120B1 - Bague guide-fils pour un métier à filer ou retordeuse - Google Patents

Bague guide-fils pour un métier à filer ou retordeuse Download PDF

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Publication number
EP2756120B1
EP2756120B1 EP12753990.6A EP12753990A EP2756120B1 EP 2756120 B1 EP2756120 B1 EP 2756120B1 EP 12753990 A EP12753990 A EP 12753990A EP 2756120 B1 EP2756120 B1 EP 2756120B1
Authority
EP
European Patent Office
Prior art keywords
grooves
guide ring
thread guide
thread
ring according
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.)
Not-in-force
Application number
EP12753990.6A
Other languages
German (de)
English (en)
Other versions
EP2756120A1 (fr
Inventor
Jürgen Schneider
Uwe Heitmann
Larissa Ausheyks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INST fur TEXTIL und FASERFORSCHUNG DENKENDORF DEUTSCHE
Deutsche Institute fuer Textil und Faserforschung Stuttgart
Original Assignee
INST fur TEXTIL und FASERFORSCHUNG DENKENDORF DEUTSCHE
Deutsche Institute fuer Textil und Faserforschung Stuttgart
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by INST fur TEXTIL und FASERFORSCHUNG DENKENDORF DEUTSCHE, Deutsche Institute fuer Textil und Faserforschung Stuttgart filed Critical INST fur TEXTIL und FASERFORSCHUNG DENKENDORF DEUTSCHE
Publication of EP2756120A1 publication Critical patent/EP2756120A1/fr
Application granted granted Critical
Publication of EP2756120B1 publication Critical patent/EP2756120B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/62—Arrangements providing lubricant for travellers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • D01H7/602—Rings

Definitions

  • the present invention relates to a yarn guide ring for a ring spinning machine or a twisting machine with a running surface for a ring traveler, which deflects the yarn during winding of a thread on a spool and is thereby moved by the thread along the tread.
  • the general task of a ring spinning machine is to impart strength to a fiber structure supplied to it by twisting and to wind the twisted fiber structure in a form suitable for storing, transporting and further processing.
  • the fiber bundle fed to the ring spinning machine is usually a so-called roving, which generally has only a weak protective rotation. From this roving is formed by further twisting a so-called yarn.
  • a twisting machine has the task of twisting a plurality of simultaneously supplied yarns together, so that a so-called yarn is formed.
  • This thread should also be wound up in a convenient form.
  • Such fiber composites are hereinafter referred to uniformly as a thread.
  • the said machines have for winding the thread on a take-up device which comprises a spindle rotating about a generally vertically arranged spindle.
  • the actively driven spindle in this case carries a bobbin tube for receiving the thread.
  • the winding device further comprises a thread guide ring which is arranged concentrically to the bobbin tube.
  • the thread guide ring has a tread for a ring traveler on, in which the generally supplied from the top of the axial direction of the thread is suspended, so that the thread is deflected and the bobbin tube is supplied during the winding substantially tangentially.
  • the ring traveler is thereby moved by the thread along the tread circular around the bobbin tube.
  • the ring traveler remains behind the rotational speed of the spindle and the spool sleeve arranged thereon in a rotationally fixed manner. This speed difference then leads to the winding of the thread.
  • Spatial information such as “vertical”, “top” or “bottom” refer in this application to the intended position of use of the respective ring spinning or twisting machine and their respective thread guide rings.
  • SU-A-962 352 A1 shows a known prior art.
  • Object of the present invention is to improve a yarn guide ring of the type mentioned.
  • the object is achieved with a thread guide ring of the type mentioned in that the running surface has grooves which are arranged obliquely to a provided direction of movement of the ring traveler.
  • Grooves are elongated depressions on the running surface, over which the ring traveler slides away such that in the region of the grooves a distance between the ring traveler and the thread guide ring is formed.
  • “obliquely to an intended direction of movement of the ring traveler arranged grooves” are understood to mean those grooves which are aligned at least on a part of their length neither parallel to the intended direction of movement nor perpendicular to the intended direction of movement.
  • threads contain lubricants which can form a natural lubricating film between the running surface of the thread guide ring and the ring traveler. This may be, for example, adhering to the fibers of the thread natural waxes, fiber abrasion and / or artificially added wetting agents and / or lubricants.
  • obliquely arranged grooves cause the lubricant to be transported and distributed transversely to the intended direction of movement of the ring traveler.
  • the grooves on the running surface of the thread guide ring thereby form reservoirs for the lubricants, so that it is prevented that the lubricants are simply wiped away by the moving ring traveler.
  • At least a part of the grooves has a depth of at most 25 ⁇ m, preferably of at most 15 ⁇ m, particularly preferably of at most 10 ⁇ m.
  • the depth describes the extent of the respective groove perpendicular to the tread.
  • At least part of the grooves have a depth of at least 0.5 ⁇ m, preferably of at least 0.7 ⁇ m, particularly preferably of at least 1.0 ⁇ m.
  • the specified minimum values can be used to ensure that the distribution of the lubricants over the entire width of the tread, since a sufficiently large cross-sectional area of the groove can be achieved with practicable width of the groove. In addition, it can be ensured that a wiping of the lubricants is prevented.
  • At least part of the grooves has a length of at most 3000 ⁇ m, preferably at most 2000 ⁇ m, particularly preferably at most 1000 ⁇ m.
  • the length describes the maximum extent of the respective groove in one direction.
  • At least part of the grooves has a length of at least 10 ⁇ m, preferably of at least 15 ⁇ m, particularly preferably of at least 20 ⁇ m.
  • the specified minimum values can be used to ensure that the distribution of the lubricants across the entire width of the tread takes place with a practicable number of grooves.
  • At least part of the grooves have a width of at most 500 ⁇ m of at most 100 .mu.m, more preferably of at most 60 .mu.m.
  • the width describes the extension of the respective groove perpendicular to the length of the groove.
  • At least part of the grooves has a width of at least 5 ⁇ m, preferably of at least 10 ⁇ m, particularly preferably of at least 15 ⁇ m.
  • the specified minimum values can be used to ensure that the distribution of the lubricants over the entire width of the tread, since a sufficiently large cross-sectional area of the groove can be achieved at a practicable depth of the groove.
  • At least a part of the grooves has an inclination with respect to the intended direction of movement of at least 5 °, preferably of at least 10 °, particularly preferably of at least 20 °.
  • the inclination with respect to the intended direction of movement is understood to be the amount of the (smaller) angle below which the length of the groove intersects a parallel to the direction of movement. If the groove is curved and therefore the inclination changes along the groove, its inclination can be understood as the average inclination.
  • the specified minimum values result in a favorable ratio between the length of the groove and the actual extent of the groove perpendicular to the direction of movement. This benefits a uniform distribution of the lubricants across the width of the tread.
  • At least a part of the grooves have an inclination with respect to the intended Movement direction (BR) of at most 85 °, preferably of at least 80 °, more preferably of at least 70 °.
  • BR Movement direction
  • grooves of different geometry are provided.
  • the geometry of a groove is understood to mean the totality of length, width, depth and inclination.
  • the grooves of a first group of grooves are inclined so that they extend in the intended direction of movement from top to bottom. In this way, at least a portion of the lubricants dissolved out of the thread is caused to be transported downwards, which favors an effective distribution of the lubricants.
  • the first group comprises at least first grooves with a first geometry and second grooves with a second geometry deviating therefrom.
  • the grooves of a second group of grooves are inclined so that they run counter to the intended direction of movement from top to bottom. In this way, at least a part of the lubricants released from the thread is caused to be transported upwards, which favors an effective distribution of the lubricants.
  • the grooves of the second group comprise at least first grooves with a first geometry and second grooves with a second geometry deviating therefrom.
  • the thread guide ring consists of metal, wherein the grooves are formed by means of laser Honens on the tread.
  • a laser beam melts the metallic surface, evaporates it partially, thus creating the desired grooves.
  • the laser honing allows the formation of very fine grooves with great precision.
  • the melt edges produced during laser honing are very hard and wear-resistant, which further enhances the service life of the thread guide ring.
  • the tread is smoothed after laser honing by means of fine polishing.
  • a particularly smooth running surface on the thread guide ring can be achieved, wherein in particular the melting areas arising during laser honing can be smoothed, which counteracts the wear of the ring traveler.
  • FIG. 1 shows an embodiment of a winding device 1 a ring spinning machine with a yarn guide ring 2 according to the invention in a schematic view.
  • the winding device 1 serves to wind a tapered thread F on a bobbin S.
  • the bobbin sleeve S is arranged concentrically and non-rotatably on a spindle, not shown, which rotates actively driven about a vertical axis A.
  • the thread guide ring 2 is also arranged concentrically.
  • a ring traveler 3 is arranged so that it can move in a direction of movement provided BR circular to the winding tube S.
  • the thread guide ring 2 on a tread 4, on which the ring rotor 3 can slide along.
  • the running surface 4 faces the bobbin sleeve S and has a width BL.
  • the supplied from the axial direction from above thread F is hooked to the ring rotor 3, so that the thread F is deflected and the bobbin S is fed substantially tangentially during winding.
  • the ring traveler 3 is thereby moved by the thread F along the tread 4 circular to the bobbin S.
  • the ring traveler 3 remains behind the rotational speed of the spindle and the sleeve sleeve S arranged thereon in a rotationally fixed manner. This speed difference then leads to the winding of the thread F on the bobbin S.
  • FIG. 2 shows a greatly enlarged view of a portion of the tread 4 of the yarn guide ring 2 of FIG. 1 in a schematic view.
  • the running surface 4 has grooves 5, 6, 7, 8, which are arranged obliquely to the intended direction of movement BR of the ring traveler 3.
  • the grooves 5, 6 of a first group of grooves 5, 6, 7, 8 inclined so that they extend in the intended direction of movement BR from top to bottom, wherein the first group first grooves 5 with a first geometry and second grooves. 6 comprising a second geometry deviating therefrom.
  • grooves 7, 8 of a second group of grooves 5, 6, 7, 8 are inclined so that they run counter to the intended direction of movement BR from top to bottom, wherein the grooves 7, 8 of the second group at least first grooves 7 with a first geometry and second grooves 8 with a deviating second geometry comprises.
  • the grooves 5, 6, 7, 8 are substantially rectilinear and partially intersect. In this case, along the entire running surface 4, some of the grooves 5, 6, 7, 8 overlap in the intended direction of movement BR. Likewise, at least some of the grooves 5, 6, 7, 8 overlap perpendicular to the intended direction of movement BR.
  • the grooves 5, 6, 7, 8 are formed on the tread 4 by means of laser honing, wherein the tread 4 is smoothed after laser honing by means of fine polishing.
  • the obliquely arranged grooves 5, 6, 7, 8 cause the lubricants to be distributed transversely to the intended direction of movement BR of the ring traveler 3 over the width BL of the running surface 4.
  • the thread F in which the thread F is mounted in the ring rotor 3 - can form over the entire width BL of the tread 4 effective lubricating film.
  • the grooves 5, 6, 7, 8 on the running surface 4 of the yarn guide ring 2 thereby form reservoirs for the lubricants, so that it is prevented that the lubricants are simply wiped away by the moving ring rotor 3.
  • the invention reliably prevents mixed friction or even dry friction between the thread guide ring 2 and the ring traveler 3 over a large part of the width BL of the running surface 4, without requiring the supply of external lubricant, which could contaminate the thread F. This applies in particular to finer threads F, in which naturally fewer lubricants are dissolved out. Experiments have shown that can be achieved in this way compared to conventional winders 1 without external lubricant supply means an extension of the life of the yarn guide ring 2 and the ring traveler 3 of 50% and more.
  • FIG. 3 shows a further enlarged view of an exemplary groove 6 of the tread 4 of the yarn guide ring 2 of FIG. 1 in a schematic view and is used in particular to explain the geometry of the grooves 5, 6, 7, 8.
  • the groove 6 has a length L which describes the maximum extent of the respective groove in one direction. Furthermore, the groove 6 has a width B which is perpendicular to the length L. Furthermore, the groove 6 has an inclination N with respect to the intended direction of movement BR, which is understood to be the amount of the (smaller) angle at which the length L of the groove 6 intersects a parallel to the direction of movement BR.
  • Another size of the geometry of the groove 6 is its depth, which in the FIG. 3 runs perpendicular to the drawing plane.
  • At least part of the in the FIG. 2 shown grooves 5, 6, 7, 8 has a depth of at most 25 .mu.m, preferably of at most 15 .mu.m, more preferably of at most 10 .mu.m, and of at least 0.5 .mu.m, preferably of at least 0.7 .mu.m, more preferably of at least 1.0 ⁇ m, on.
  • At least a portion of the grooves 5, 6, 7, 8 has a length L of at most 3000 .mu.m, preferably at most 2000 .mu.m, more preferably of at most 1000 .mu.m, and of at least 10 .mu.m, preferably of at least 15 .mu.m, especially preferably of at least 20 microns has.
  • At least a portion of the grooves 5, 6, 7, 8 has a width B of at most 500 .mu.m, preferably of at most 100 .mu.m, more preferably of at most 60 .mu.m, and of at least 5 .mu.m, preferably of at least 10 .mu.m , more preferably at least 15 microns.
  • At least a part of the grooves 5, 6, 7, 8 has an inclination N with respect to the provided direction of movement BR of at least 5 °, preferably of at least 10 °, particularly preferably of at least 20 °, and of at most 85 °, preferably of at least 80 °, more preferably of at least 70 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (15)

  1. Anneau de guidage de fil pour un métier à filer à anneaux ou un métier à retordre avec une surface de glissement (4) pour un curseur (3), lequel, lors de l'enroulement d'un fil (F) sur un tube de bobine (S), dévie le fil (F) et, ce faisant, est déplacé du fil (F) le long de la surface de glissement (4), caractérisé en ce que la surface de glissement (4) présente des rainures (5, 6, 7, 8), qui sont disposées en diagonale par rapport à un sens de mouvement (BR) du curseur (3).
  2. Anneau de guidage de fil selon la revendication précédente, caractérisé en ce qu' une partie au moins des rainures présente une profondeur de 25 µm au plus, de préférence de 15 µm au plus, de manière particulièrement préférée de 10 µm au plus, et/ou qu'une partie au moins des rainures (5, 6, 7, 8) présente une profondeur de 0,5 µm au moins, de préférence de 0,7 µm au moins, de manière particulièrement préférée de 1,0 µm au moins.
  3. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce qu' une partie au moins des rainures (5, 6, 7, 8) présente une longueur de 3000 µm au plus, de préférence de 2000 µm au plus, de manière particulièrement préférée de 1000 µm au plus, et/ou qu'une partie au moins des rainures (5, 6, 7, 8) présente une longueur de 10 µm au moins, de préférence de 15 µm au moins, de manière particulièrement préférée de 20 µm au moins.
  4. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce qu' une partie au moins des rainures (5, 6, 7, 8) présente une largeur (B) de 500 µm au plus, de préférence de 100 µm au plus, de manière particulièrement préférée de 60 µm au plus, et/ou qu'une partie au moins des rainures (5, 6, 7, 8) présente une largeur de 5 µm au moins, de préférence de 10 µm au moins, de manière particulièrement préférée de 15 µm au moins.
  5. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce qu' une partie au moins des rainures (5, 6, 7, 8) présente par rapport au sens de mouvement (BR) prévu une inclinaison de 5° au moins, de préférence de 10° au moins, de manière particulièrement préférée de 20° au moins, et/ou qu'une partie au moins des rainures (5, 6, 7, 8) présente par rapport au sens de mouvement (BR) prévu inclinaison de 85° au plus, de préférence de 80° au moins, de manière particulièrement préférée de 70° au moins.
  6. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que des rainures (5, 6, 7, 8) de géométrie différente sont prévues.
  7. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que les rainures (5, 6) d'un premier groupe des rainures (5, 6, 7, 8) sont inclinées de manière à s'étendre du haut vers le bas dans le sens de mouvement (BR) prévu.
  8. Anneau de guidage de fil selon la revendication précédente, caractérisé en ce que le premier groupe comprend au moins de premières rainures (5) avec une première géométrie (B, L, N) et de secondes rainures (6) avec une seconde géométrie (B, L, N) différente de la première géométrie.
  9. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que les rainures (7, 8) d'un second groupe des rainures (5, 6, 7, 8) sont inclinées de manière à s'étendre du haut vers le bas dans le sens opposé au sens de mouvement (BR) prévu.
  10. Anneau de guidage de fil selon la revendication précédente, caractérisé en ce que les rainures (7, 8) du second groupe comprennent au moins de premières rainures (7) avec une première géométrie (B, L, N) et de secondes rainures (8) avec une seconde géométrie (B, L, N) différente de la première géométrie.
  11. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce qu' une partie au moins des rainures (5, 6, 7, 8) présente une allure essentiellement rectiligne.
  12. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que le long de l'ensemble de la surface de glissement (4), quelques-unes au moins des rainures (5, 6, 7, 8) se chevauchent dans le sens de mouvement (BR) prévu.
  13. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que sur une partie substantielle de la largeur (BL) de la surface de glissement (4), quelques-unes au moins des rainures (5, 6, 7, 8) se chevauchent perpendiculairement au sens de mouvement (BR) prévu.
  14. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que quelques-unes au moins des rainures (5, 6, 7, 8) se croisent.
  15. Anneau de guidage de fil selon l'une des revendications précédentes, caractérisé en ce que les rainures (5, 6, 7, 8) sont formées sur la surface de glissement (4) par pierrage au laser, sachant que la surface de glissement (4) est de préférence lissée par polissage fin après le pierrage.
EP12753990.6A 2011-09-16 2012-09-04 Bague guide-fils pour un métier à filer ou retordeuse Not-in-force EP2756120B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011053661A DE102011053661A1 (de) 2011-09-16 2011-09-16 Fadenführungsring für eine Spinnmaschine oder eine Zwirnmaschine
PCT/EP2012/067155 WO2013037660A1 (fr) 2011-09-16 2012-09-04 Bague guide-fils pour un métier à filer ou retordeuse

Publications (2)

Publication Number Publication Date
EP2756120A1 EP2756120A1 (fr) 2014-07-23
EP2756120B1 true EP2756120B1 (fr) 2016-11-16

Family

ID=46796603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12753990.6A Not-in-force EP2756120B1 (fr) 2011-09-16 2012-09-04 Bague guide-fils pour un métier à filer ou retordeuse

Country Status (5)

Country Link
EP (1) EP2756120B1 (fr)
JP (1) JP2014526618A (fr)
CN (1) CN103857836B (fr)
DE (1) DE102011053661A1 (fr)
WO (1) WO2013037660A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6027998B2 (ja) * 2014-04-16 2016-11-16 株式会社豊田自動織機 リング式紡機の液潤滑の無いリング／トラベラ系
JP6149838B2 (ja) * 2014-10-15 2017-06-21 株式会社豊田自動織機 リング式紡機のリング／トラベラ系
JP7163632B2 (ja) * 2018-06-26 2022-11-01 株式会社豊田自動織機 リング式紡機のリング／トラベラ系
JP7162459B2 (ja) * 2018-07-23 2022-10-28 株式会社豊田自動織機 リング式紡機のリング／トラベラ系
JP7390969B2 (ja) 2020-05-12 2023-12-04 株式会社豊田中央研究所 精紡機用リングおよびその製造方法

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US1646063A (en) * 1927-02-18 1927-10-18 Draper Corp Spinning ring and traveler
GB430520A (en) * 1934-02-15 1935-06-20 Cook & Co Manchester Ltd Improvements in and relating to travellers for ring spinning, doubling and like machines
US2121647A (en) * 1937-11-01 1938-06-21 Philip C Wentworth Ring traveler
US3416301A (en) * 1967-01-31 1968-12-17 Maremont Corp Spinning ring with indented surface
JPS5046024Y1 (fr) * 1968-05-28 1975-12-26
JPS5242180Y1 (fr) * 1969-08-18 1977-09-24
DE2409146A1 (de) * 1974-02-26 1975-09-11 Zinser Textilmaschinen Gmbh Vorrichtung zum drehen und aufwinden eines fadens
JPS5455917U (fr) * 1978-09-21 1979-04-18
SU962352A1 (ru) * 1979-09-14 1982-09-30 Ленинградское машиностроительное объединение им.Карла Маркса Кольцо пр дильных и крутильных машин
JPS58117776U (ja) * 1982-02-03 1983-08-11 北村　陽司 バル−ンコントロ−ルリング
JPH02182926A (ja) * 1988-12-29 1990-07-17 Kanai Hiroyuki 紡機用リング
DE4215883A1 (de) * 1991-05-21 1992-11-26 Fehrer Ernst Ringspinnvorrichtung
EP0565742B1 (fr) * 1992-04-11 1995-03-01 Maschinenfabrik Gehring GmbH & Co. Procédé pour le finissage de surfaces de pièces
DE4335538A1 (de) * 1992-11-04 1994-05-05 Rieter Ag Maschf Spinnring mit Verschleiß-Schutzschicht und Einlaufschicht
JPH0654776U (ja) * 1993-01-12 1994-07-26 金井 宏之 紡機用リング
EP0690158A1 (fr) * 1994-06-30 1996-01-03 Maschinenfabrik Rieter Ag Métier à filer à anneaux avec anneau à flanc incliné
EP0843034A3 (fr) * 1996-11-14 1999-02-17 Howa Machinery, Ltd. Structure d'un anneau tournant de filage
AU2003268681A1 (en) * 2002-09-27 2004-05-04 Nec Machinery Corporation Cyclic structure formation method and surface treatment method
JP2006026778A (ja) * 2004-07-14 2006-02-02 Honda Motor Co Ltd 摺動面形成方法および摺動部材における摺動面形状

Also Published As

Publication number Publication date
EP2756120A1 (fr) 2014-07-23
WO2013037660A1 (fr) 2013-03-21
CN103857836B (zh) 2016-09-21
JP2014526618A (ja) 2014-10-06
DE102011053661A1 (de) 2013-03-21
CN103857836A (zh) 2014-06-11

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