EP1065304B1 - Dispositif d'accouplement sans jeu et autocentrant, pour la broche d'une machine textile - Google Patents

Dispositif d'accouplement sans jeu et autocentrant, pour la broche d'une machine textile Download PDF

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Publication number
EP1065304B1
EP1065304B1 EP00113460A EP00113460A EP1065304B1 EP 1065304 B1 EP1065304 B1 EP 1065304B1 EP 00113460 A EP00113460 A EP 00113460A EP 00113460 A EP00113460 A EP 00113460A EP 1065304 B1 EP1065304 B1 EP 1065304B1
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EP
European Patent Office
Prior art keywords
free
backlash
sleeve coupling
pressure piece
coupling 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.)
Expired - Lifetime
Application number
EP00113460A
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German (de)
English (en)
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EP1065304A1 (fr
Inventor
Dieter Huss
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.)
Spindelfabrik Neudorf GmbH
Original Assignee
Spindelfabrik Neudorf GmbH
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 Spindelfabrik Neudorf GmbH filed Critical Spindelfabrik Neudorf GmbH
Publication of EP1065304A1 publication Critical patent/EP1065304A1/fr
Application granted granted Critical
Publication of EP1065304B1 publication Critical patent/EP1065304B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D01H7/04—Spindles
    • D01H7/16—Arrangements for coupling bobbins or like to spindles

Definitions

  • the invention relates to a backlash-free and centering sleeve coupling for the Spindle of a textile machine.
  • Such couplings consist of at least three entrainment elements, which are non-positively connected to the spindle shaft connected sleeve receptacle are arranged, the sleeve coupling supported centrally against the inner wall of the sleeve.
  • Such Sleeve couplings are used in the textile industry, preferably in spinning and twining.
  • the spindles are low Effect of the clutch to record, so that it is particularly when Braking the spindle to slide the sleeve on the upper part of the spindle comes. This affects both the yarn quality and the Wear of the sleeve.
  • DE 42 17 381 A1 describes a sleeve coupling, which also is designed as a centrifugal clutch.
  • This centrifugal clutch is sicb in an extension of the drive whorl, due to the proportionate low driving forces, a sleeve is provided, which is profiled Has inner surface. The entrainment effect of this solution is thereby reinforced that between the outer diameter of the sleeve coupling and the Inner diameter of the sleeve there is very little dimensional play.
  • DE 43 18 027 A1 discloses a sleeve coupling which provides for a non-positive connection between the sleeve and the upper part of the spindle by means of driving bodies of different designs.
  • the entrainment bodies are set in a wobbling movement, as a result of which they become jammed between the upper spindle part and the sleeve.
  • This type of sleeve coupling has the disadvantage that the sleeve is not taken safely centered on the spindle axis. Another disadvantage is that this non-positive clamping connection does not come loose easily when the spindle is at a standstill.
  • the technical solution is to ensure that a possible Deformation of the sleeve when winding with thread material is not the central one Position of the sleeve relative to the spindle axis and the safe driving of the sleeve the spindle questions. Furthermore, it should be possible that a Sleeve deformation, which is usually when using plastics as Sleeve material and due to high thread forces can not be observed The sleeve is firmly seated on the spindle when the spindle is at a standstill, so that the Sleeve removal easily by hand or by means of sleeve removal devices can be guaranteed.
  • the technical solution to be created should also characterized by simple construction and easy assembly.
  • the task is essentially by characterizing features of claim 1 solved.
  • one backlash-free and centering sleeve coupling for the spindle one Textile machine consisting of at least three entrainment elements, which in one Sleeve receptacle are arranged centrally and non-positively on the Place the inner wall of the sleeve.
  • the sleeve holder consists of a Base body, a thrust piece axially movable therein and a end piece firmly connected to the base body.
  • the takeaway elements are arranged between the base body and the pressure piece, being are mainly designed to be radially movable.
  • any geometric play between the outer circumference of the sleeve coupling and the inner diameter of the unloaded sleeve can be selected, so that not only the manufacture of the sleeve coupling can be almost completely mechanized and automated, but also the trouble-free mechanized or manual insertion and removal as required of the sleeves on the respective textile machine.
  • the particular advantage of the proposed sleeve coupling is also that the sleeve is centered with respect to the spindle axis even when the respective spindle is at a standstill and thus unbalance with the resulting consequences for the respective spindle and for the sleeve winding can be excluded.
  • the driving elements are used, which are displaced uniformly predominantly radially from the axially movable pressure piece via the guide bevels arranged thereon and, by partially exiting from the receptacles formed on the base body of the sleeve coupling, brace the sleeve covering the coupling against the base body.
  • the entrainment elements pressed outwards against the inner wall of the sleeve as a result of centrifugal forces, but also the arresting centrifugal force elements which are arranged between the pressure piece and the end piece.
  • the difference in dimensions between the outer radius of the base body and the outer radius of the central cylindrical part of the pressure piece has at least the size of the diameter of the spherical driving element.
  • the difference in dimensions between the outer radius of the base body and the outer radius of the central cylindrical part of the pressure piece is at least the total dimension of the spherical part of the driving element with the cap-shaped part of the driving element put on.
  • the driving elements are therefore in a special embodiment the invention as balls or as caps in connection with internal Balls formed.
  • the cap-shaped part of the driving element is preferably equipped with a stop collar, with the aid of which the cap can be prevented from completely escaping from the base body of the sleeve coupling.
  • the receptacles for the driving elements are arranged radially in the base body and can be used as a cylindrical bore if balls are used as driving elements or as a combination of cap-shaped parts and balls - the balls partially enclosed as a breakthrough with almost any cross section, for example, a prismatic cross section.
  • the cylindrical bores are formed with an outer dome-shaped narrowing in the base body.
  • the arrangement of Guide bevels for the locking centrifugal force elements which are between the pressure piece and the end piece are, if necessary, on a Limit guide slope.
  • the runways for designed as cylindrical rollers or balls locking Centrifugal force elements are either anchored to the base body End piece or on the pressure piece inclinations against the horizontal.
  • the basic difference between the leadership slope for the Driving elements and the bevels for the locking Centrifugal force elements consist in that on the pressure piece for the displacement of the driving elements arranged guide slope extended to the outside is trained.
  • the guide slopes of the guideways are for the locking ones Centrifugal force elements extended inwards. All leadership slopes can however have selectable inclinations against the horizontal. In order to can be designed to meet the different requirements, which result from the specific speed, the actual thread tension and the Material properties of the bobbin tube result. With the choice of inclinations The guiding slopes are determined on the one hand by the force effect with which axial loading of the thrust piece against the driving elements Inner wall of the coil sleeve are pressed. On the other hand, with the choice the inclinations of the guide slopes in the tracks for the locking Centrifugal force determines the force that under centrifugal force locking flow force in the axial direction exerts on the pressure piece. In a special embodiment, the selectable angle is Guide slope for the driving elements on the pressure piece preferably 40 ° against the horizontal.
  • the guide bevels arranged in the guideways for the locking centrifugal force elements have a selectable angle, preferably 10 ° to the horizontal.
  • a selectable angle preferably 10 ° to the horizontal.
  • the number of guideways can also be increased to increase the force acting on the axially displaceable thrust piece as a result of larger overall masses of the locking centrifugal force elements.
  • a further embodiment of the invention provides for the pressure piece to be provided with a sliding bush which ensures the easy axial displacement of the pressure piece on the spindle shaft. Because of the relative inaccessibility of the installed sleeve couplings and in particular this slide bush, a plastic bush, for example made of PTFE, is preferably chosen for the formation of this slide bush.
  • the sleeve coupling is designed so that it predominantly Contains individual elements that are manufactured in automatic manufacturing steps can be.
  • the proposed solution also stands out characterized in that the assembly of the developed sleeve coupling also can be done predominantly automatically.
  • Another special embodiment of the sleeve coupling is thereby characterized in that in the plane of passage of the driving elements the base body on the outer circumference of the base body an elastic band is arranged.
  • This tape covers the recordings for the take-along elements and leads to the fact that the driving elements in the respective starting position are held back. The is through the Pressure piece and possibly caused by the compression spring used Radial force on the driving elements overcome, so that the plugging or removing the coil sleeves on the respective spindle shaft is facilitated.
  • the decisive advantage is that the game between the Inner diameter of the coil sleeve and the outer diameter of the Sleeve coupling can be chosen practically to a large extent without at the same time eccentricities and thus in particular mechanically stressful To have to accept unbalance when running the spindle.
  • a sleeve coupling consists of a base body 1, an end piece 2 and a pressure piece 3.
  • a sliding bush 4 is arranged so that a sliding and positive connection to the spindle shaft 10 is ensured.
  • the main body 1 is equipped with 2 threaded bores 21, by means of which grub screws are used to ensure the non-positive fixing of the sleeve coupling to the spindle shaft.
  • the base body 1 has seven receptacles 15 for the spherical driving elements 6. These receptacles 15 are designed as cylindrical bores with outer dome-shaped constrictions.
  • the pressure piece 3 After inserting the driving elements 6 into the receptacles 15, the pressure piece 3 is inserted into the base body 1 such that the guide bevel 7, which is designed as a conical collar on the pressure piece 3, is in contact with the driving elements 6.
  • the upper end of the pressure piece 3 contains 12 guideways 20 which are designed as guide bevels 8 for the spherical locking centrifugal force elements 5.
  • the sliding bush 4 is guided up to a height that it acts as an inner stop for the locking centrifugal force elements 5 used.
  • the end piece 2 When assembling the sleeve coupling, after inserting the locking centrifugal force elements 5, the end piece 2 is placed, which also has twelve guideways 20 with the corresponding guide bevel 9.
  • the end piece 2 is seated on the mounting collar 17 of the base body 1 and is non-positively fixed to the base body 1 at the end of the assembly with the positive connection 18.
  • a total of two sleeve couplings are arranged in such a way that the coil sleeve 11 is supported at the lower end by the clamping piece 12 and both in the middle and at the upper end by a sleeve coupling in each case.
  • the driving elements 6 are radially outward into the receptacles 15 under the action of the gravity of the movable pressure piece 3 through the guide bevel 7, which is designed with an inclination of approximately 40 ° with respect to the horizontal displaced for the driving elements 6 in the base body 1.
  • the driving elements 6 come out of the circumference of the base body 1 and must be pressed into the base body 1 when the coil sleeve 11 is placed on it. Because of the positive guidance of the pressure piece 3 on the spindle shaft 10, the spindle sleeve 11 is automatically centered on the axis of the spindle shaft 10 when the spindle is at a standstill.
  • the guide bevels 8 and 9 for the locking centrifugal force elements 5 in the guideways 20 on the pressure piece and on the end piece 2 have inclinations of about 10 ° to the horizontal.
  • the guide bevel 8 for the locking centrifugal force elements 5 on the pressure piece 3 is designed so that in the idle state the locking centrifugal force elements 5 in the guideway 20 assume the position closest to the spindle axis. Thus, the pressure piece 3 can be moved upward towards the end piece 2 if necessary. In the working state, this is no longer possible because the locking centrifugal force elements 5 are thrown outwards in the respective guideway 20 and thus not only prevent the displacement of the pressure piece 3 towards the end piece 2 but also exert an axial force on the pressure piece 3 which is directed below. This causes an additional radial force component on the driving elements 6 and thus the secure frictional connection between the sleeve coupling and the coil sleeve 11.
  • a sleeve coupling consists of those in Example 1 mentioned individual components.
  • spherical Driving elements 6 instead of seven are spherical Driving elements 6 a total of eight cylindrical receptacles 15 in Base body 1 executed, in which the cap-shaped parts 14 of the Driving elements 6 are displaceable.
  • these cap-shaped parts 14 are spherical parts 13 of the driving elements 6 embedded in turn with the guide slope 7 for the driving elements 6 on Pressure piece 3 are connected.
  • the cap-shaped parts 14 of the driving elements 6 each have one Stop collar 16, the complete emergence of the driving element 6th prevented from the base body 1.
  • This embodiment of the Driving elements 6 is preferably used for coil sleeves 11, one flat attack of the driving elements 6 on the inner wall of the coil sleeve 11 to avoid local deformation.
  • the sleeve coupling is opposite Embodiment in Example 3 modified so that the Driving elements 6 as in embodiment 2 are formed.
  • a sleeve coupling is basically similar to that in Embodiment 1 designed sleeve coupling. Indeed are only four spherical driver elements 6 in this example provided, the receptacles 15 for the driving elements 6 in Base body 1 by an inserted into the periphery of the base body 1 elastic band 22 are covered.
  • This embodiment of the Sleeve coupling is preferred when, on the one hand, the engagement the driving elements 6 in the coil sleeve 11 when the spindle is at a standstill should be canceled and on the other hand by interposing the Tape material between driving element 6 and spool sleeve 11 gentle force attack is to be achieved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Centrifugal Separators (AREA)

Claims (20)

  1. Accouplement de centrage de bobine sans jeu pour les broches d'une machine textile, constitué d'au moins trois éléments d'entraínement qui sont disposés de manière centrée contre la paroi intérieure de la bobine dans un logement de bobine relié en correspondance mécanique à l'arbre de la broche, caractérisé en ce que
       le logement de bobine est constitué d'un corps de base (1), d'une pièce de poussée (3) disposée dans le corps de base à déplacement axial et d'une pièce d'extrémité (2) reliée solidairement au corps de base,
       les éléments d'entraínement (6) sont configurés comme éléments d'entraínement (6) disposés à déplacement principalement radial entre le corps de base (1) et la pièce de poussée (3),
       des pentes de guidage (7) qui sont configurées sous la forme d'un collet conique sont disposées sur la pièce de poussée (3) et sont en contact avec les éléments d'entraínement (6),
       des éléments centrifuges de blocage (5) à coulissement principalement radial sont disposés entre la pièce de poussée (3) et la pièce d'extrémité (2) et
       au moins l'une des surfaces de la pièce de poussée (3) et de la pièce d'extrémité (2) en contact avec les éléments centrifuges de blocage (5) est configurée comme pente de guidage (8, 9).
  2. Accouplement de centrage de bobine sans jeu selon la revendication 1, caractérisé en ce que la différence entre les dimensions du rayon extérieur du corps de base (1) et du rayon extérieur de la partie cylindrique centrale de la pièce de poussée (3) présente au moins la grandeur du diamètre de l'élément d'entraínement (6) de forme sphérique.
  3. Accouplement de centrage de bobine sans jeu selon la revendication 1, caractérisé en ce que la différence entre les dimensions du rayon extérieur du corps de base (1) et du rayon extérieur de la partie cylindrique centrale de la pièce de poussée (3) correspond au moins à la grandeur de la dimension totale de la partie (13) de forme sphérique de l'élément d'entraínement (6) sur laquelle est placée la partie (14) en forme de capuchon de l'élément d'entraínement (6).
  4. Accouplement de centrage de bobine sans jeu selon l'une des revendication 1 à 3, caractérisé en ce que les éléments d'entraínement (6) sont configurés en forme de sphères (13) ou comme capuchons (14) associés à des sphères (13) intérieures.
  5. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 4, caractérisé en ce que la partie (14) en forme de capuchon de l'élément d'entraínement (6) est dotée d'un collet de butée (16).
  6. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 5, caractérisé en ce que les logements (15) sont disposés radialement dans le corps de base (1).
  7. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 6, caractérisé en ce que les logements (15) des éléments d'entraínement (6) dans le corps de base (1) sont configurés comme alésages cylindriques, comme perforations prismatiques ou comme alésages cylindriques dotés d'un rétrécissement extérieur en forme de calotte.
  8. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 7, caractérisé en ce que les pistes de guidage (20) des éléments centrifuges de blocage (5) et la partie de la pièce de poussée (3) qui est en contact avec les éléments d'entraínement (6) présentent des pentes de guidage (7, 8 et 9) dont l'inclinaison par rapport à l'horizontale peut être sélectionnée librement.
  9. Accouplement de centrage de bobine sans jeu selon la revendication 8, caractérisé en ce que la pente de guidage (7) des éléments d'entraínement (6) sur la pièce de poussée (3) présente par rapport à l'horizontale un angle sélectionnable, de préférence de 40°.
  10. Accouplement de centrage de bobine sans jeu selon la revendication 8, caractérisé en ce que les pentes de guidage (8) de la pièce de poussée (3) ainsi que les pentes de guidage (9) de la pièce d'extrémité (2) présentent toutes par rapport à l'horizontale un angle sélectionnable de préférence de 10°.
  11. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 10, caractérisé en ce que les éléments centrifuges de blocage (5) qui fixent la pièce de poussée mobile (3) dans sa position de travail sont configurés en forme de sphère ou de cylindre.
  12. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 11, caractérisé en ce qu'au moins trois pistes de guidage (20) disposées radialement sont réalisées entre la pièce de poussée (3) et la pièce d'extrémité (2) pour les éléments centrifuges de blocage (5) disposés entre la pièce d'extrémité (2) et la pièce de poussée (3).
  13. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 12, caractérisé en ce que la pièce de poussée (3) est dotée d'un manchon de coulissement (4) qui assure la possibilité d'un coulissement axial de la pièce de poussée (3) sur l'arbre (10) de la broche.
  14. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 13, caractérisé en ce qu'un collet de montage (17) permettant à la pièce d'extrémité (2) de reposer dans le corps de base (1) est disposé sur le corps de base (1).
  15. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 14, caractérisé en ce qu'une liaison en correspondance géométrique (18) qui établit l'accouplement de bobine lorsque le montage est terminé est réalisée entre la corps de base (1) et la pièce d'extrémité (2).
  16. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 15, caractérisé en ce qu'un ressort de compression (19) qui assure que la pièce de poussée (3) soit située dans la position la plus profonde possible dans le corps de base (1) est disposé entre la pièce d'extrémité (2) et la pièce de poussée (3).
  17. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 16, caractérisé en ce qu'une bande élastique (22) est disposée à la périphérie extérieure du corps de base (1), recouvre les logements (15) des éléments d'entraínement (6) et maintient les éléments d'entraínement (6) en position initiale lorsque la broche est à l'arrêt.
  18. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 17, caractérisé en ce que des alésages filetés (21) qui servent à fixer en correspondance mécanique l'accouplement de bobine sur l'arbre (10) de la broche sont disposés sur le corps de base (1).
  19. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 18, caractérisé en ce qu'au moins une pièce de serrage (12) et au moins un accouplement de bobine sont disposés sur l'arbre (10) de la broche pour fixer en correspondance mécanique et de manière centrée la bobine (11).
  20. Accouplement de centrage de bobine sans jeu selon l'une des revendications 1 à 18, caractérisé en ce qu'au moins deux accouplements de bobine sont disposés sur l'arbre (10) de la broche pour fixer la bobine (11) en correspondance géométrique et de manière centrée.
EP00113460A 1999-06-29 2000-06-26 Dispositif d'accouplement sans jeu et autocentrant, pour la broche d'une machine textile Expired - Lifetime EP1065304B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19929582A DE19929582C2 (de) 1999-06-29 1999-06-29 Spielfreie und zentrierende Hülsenkupplung für die Spindel einer Textilmaschine
DE19929582 1999-06-29

Publications (2)

Publication Number Publication Date
EP1065304A1 EP1065304A1 (fr) 2001-01-03
EP1065304B1 true EP1065304B1 (fr) 2003-08-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00113460A Expired - Lifetime EP1065304B1 (fr) 1999-06-29 2000-06-26 Dispositif d'accouplement sans jeu et autocentrant, pour la broche d'une machine textile

Country Status (4)

Country Link
US (1) US6367237B1 (fr)
EP (1) EP1065304B1 (fr)
DE (1) DE19929582C2 (fr)
ES (1) ES2206110T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327061C (zh) * 2004-08-17 2007-07-18 江苏宏源纺机股份有限公司 牵伸联接装置
ITFI20070134A1 (it) * 2007-06-15 2008-12-16 Mariella Crotti "fuso per l'avvolgimento di filati su tubi o anime tubolari di avvolgimen- to"
CN105506796B (zh) * 2016-02-06 2018-09-04 华卫国 改进的光杆纱锭
CN106757579B (zh) * 2016-12-23 2018-11-20 晋中经纬恒腾纺机有限公司 纱管锭子连接器
DE102019105072A1 (de) * 2019-02-28 2020-09-03 Saurer Technologies GmbH & Co. KG Spulentopflagerung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB538518A (en) * 1939-02-24 1941-08-07 Luigi Marzoli Means for gripping and centering a bobbin or the like on the spindle of a spinning, twisting or like machine
GB897244A (en) * 1959-12-10 1962-05-23 Tmm Research Ltd Improvements in spindles for textile spinning machines
US3335971A (en) * 1965-05-25 1967-08-15 Leesona Corp Yarn tube driving means
FR2074179A5 (fr) * 1969-12-22 1971-10-01 Salles Vilanova Eduardo
US3958846A (en) * 1975-06-06 1976-05-25 The Barden Corporation Open end spinning spindle
DE2647816A1 (de) * 1976-10-22 1978-04-27 Stahlecker Fritz Lagerung fuer einen schaft eines offenend-spinnrotors
US4254614A (en) * 1978-10-18 1981-03-10 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Device for supporting a spindle of an open-end spinning frame
CS266602B1 (en) * 1987-11-19 1990-01-12 Rajsigl Zdenek Rolling seating for a textile spindle
DE4131498C2 (de) * 1991-09-21 1999-11-18 Stahlecker Fritz Hülsenkupplung für eine Spinn- oder Zwirnspindel
DE4217381A1 (de) * 1992-05-26 1993-12-02 Stahlecker Fritz Arbeitseinheit, bestehend aus einer Spinn- oder Zwirnspindel, einer Spulenhülse sowie Kupplungselementen
DE4318027A1 (de) * 1993-05-29 1994-12-01 Stahlecker Fritz Hülsenkupplung für eine Spindel einer Textilmaschine
DE19537762A1 (de) * 1995-10-11 1997-04-17 Spindelfabrik Hartha Gmbh Hülsenkupplung für eine Spindel einer Spinn- oder Zwirnspindel

Also Published As

Publication number Publication date
US6367237B1 (en) 2002-04-09
EP1065304A1 (fr) 2001-01-03
DE19929582A1 (de) 2001-01-11
ES2206110T3 (es) 2004-05-16
DE19929582C2 (de) 2002-07-18

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