EP2176454B1 - Rouleau de pression pour machines textiles - Google Patents

Rouleau de pression pour machines textiles Download PDF

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Publication number
EP2176454B1
EP2176454B1 EP08786168A EP08786168A EP2176454B1 EP 2176454 B1 EP2176454 B1 EP 2176454B1 EP 08786168 A EP08786168 A EP 08786168A EP 08786168 A EP08786168 A EP 08786168A EP 2176454 B1 EP2176454 B1 EP 2176454B1
Authority
EP
European Patent Office
Prior art keywords
ring
pressure roller
inner ring
elastic
carrying axle
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
EP08786168A
Other languages
German (de)
English (en)
Other versions
EP2176454A1 (fr
Inventor
Detlef GÖRGENS
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP2176454A1 publication Critical patent/EP2176454A1/fr
Application granted granted Critical
Publication of EP2176454B1 publication Critical patent/EP2176454B1/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
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings
    • D01H5/80—Rollers or roller bearings with covers; Cots or covers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings

Definitions

  • the invention relates to a textile machine, in particular texturing machines, suitable pressure roller.
  • a pressure roller has an elastic cover, which is pressed in a textile machine against a driven roller, wherein between this roller and the cover, a thread or a fiber strand is passed. This is thus either merely transported or warped, as in spinning or texturing machines.
  • a pinch roller of the type mentioned is for example from the DE 29 23 871 A1 known. It is a roller bearing, a resilient bearing pressure roller, wherein the inner ring of the bearing or a hub ring bearing the inner ring is mounted by means of a transverse to its axis bolt pendulum on a support shaft. Due to the oscillating mounting of the roller bearing inner ring, in particular deflections of the roller opposite the pressure roller can be compensated.
  • the invention has for its object to simplify constructively a pinch roller for textile machines with full functionality.
  • a pinch roller having the features of claim 1.
  • the for use in textile machines, in particular Texturing, provided pressure roller has an elastic reference, which is rotatably supported by means of a rolling bearing on a support shaft.
  • a rolling bearing on a support shaft.
  • at least one elastic ring in particular of a polymer material arranged. This is given in a simple and reliable manner, a pivoting movement of the roller bearing inner ring to preferably 1.5 ° to 5 °.
  • a plurality of elastic rings are arranged directly or indirectly between the support shaft and the inner ring.
  • the elastic rings are preferably formed as O-rings, wherein at least one ring rests in a groove on the surface of the support shaft.
  • the inner ring of the rolling bearing in an advantageous embodiment, no groove, so that no special constructions are required here.
  • separate O-rings are preferably provided which are arranged axially adjacent to the inner ring or at least partially projecting beyond the inner ring in the axial direction between the inner ring and in each case one support ring held on the support shaft.
  • the support ring is designed, for example, as pressed onto the support shaft angle ring. Such a ring is rationally alls spanless transformed sheet metal part produced. Alternatively, the support ring may be formed, for example, as a machined part and / or as an integral part of the support shaft. Regardless of the manufacturing method, according to a particularly advantageous embodiment, an elastic ring contacting, the inner ring facing surface of the support ring in the circumferential direction has a waveform with two wave crests and two wave troughs. This is a preferred direction given by which the inner ring can tilt the easiest.
  • a single elastic ring is arranged between the support shaft and the inner ring.
  • this is not as an O-ring, but as a complex shaped part, which is wider in the axial direction as the inner ring of the rolling bearing is formed.
  • the surface of the elastic ring on which rests the inner ring describes a saddle shape, so that in this variant under relatively little force tilting of the bearing about a specific, virtual axis is possible, while the roller bearing to an orthogonal axis only substantially below higher force and / or tilting to a lesser extent.
  • At least one elastic ring is arranged radially between the support shaft and the inner ring. If this ring further axially adjacent rings, which also serve the elastically yielding support of the inner ring on the support shaft in the radial direction, the tiltability of the inner ring of the bearing about the support shaft is favored by the fact that the middle of these three rings the largest cross-section and / or has the largest bias.
  • a further improvement of the tilting function can be achieved with oiled or greased O-rings. In any case, meet the elastic rings both under loads in the axial direction as well as loads in the radial direction of a damping function that extends the maximum service life of the bearing. This also applies to embodiments with only one elastic ring.
  • the rolling bearing is arranged radially within a sleeve portion of a base body, wherein the elastic reference of the pressure roller is held on the sleeve portion of the base body.
  • Radially between the sleeve portion and the elastic cover in this case a further, compared to the reference thin-walled sleeve can be provided as an intermediate sleeve.
  • the latter sleeve and the base body are preferably produced as non-cutting formed sheet metal parts.
  • a part of the sleeve portion is preferably formed double-walled such that an axial stop for the outer ring of the rolling bearing is formed.
  • the limited opening of the annular portion in the base body is closed with a front side of the support shaft arranged cap.
  • the cap rotating with the elastic cover is far enough away from the end face of the carrying axle that a tilting of the entire rolling bearing about an imaginary tilting axis, which is orthogonal to the carrying axle, is possible to the required extent, that is to say approximately 5 °.
  • a generally designated by the reference numeral 1 pinch roller has a relative to a support shaft 2 by means of a rolling bearing 3 rotatably mounted base body 4, which denotes an elastic cover 5, also referred to as rubber cover carries.
  • an elastic cover 5 also referred to as rubber cover carries.
  • the rolling bearing 3 is designed as a radial ball bearing and has an inner ring 6 and an outer ring 7, between which balls 8 roll as rolling elements.
  • the inner ring 6 is, as described in more detail below, with the aid of five O-rings elastically yielding, in particular tiltable, held on the support shaft 2.
  • a central O-ring 9 made of an elastic polymer material is located radially between the supporting shaft 2 and the inner ring 6.
  • an elastic ring 10 is arranged in mirror symmetry to the plane E, which also supports the inner ring 6 in the radial direction.
  • located in the same axial space as the inner ring 6 elastic rings 9, 10 are also referred to as radial rings.
  • the outer radial rings 10 have a smaller cross-section than the central radial ring 9 and are each in a groove 11 formed on the surface of the support shaft 2 a.
  • the central O-ring 9 is located in a groove 12, which is deeper than the grooves 11 in adaptation to the larger cross-section of the central O-ring 9.
  • the radial rings 9, 10 and the grooves 11, 12 are dimensioned such that the radial forces transmitted via the central O-ring 9 to the inner ring 6, at least as long as in FIG FIG. 1 shown - the rolling bearing 3 with respect to the support shaft 2 is not tilted, are less than the transmitted via an outer radial ring 10 radial forces.
  • axial rings elastic rings 13 are provided, each on the one hand the inner ring 6 in the radially inner region on an end face 14 and on the other hand an angular ring 15, 16 contact ,
  • the first angle ring 15 surrounds an end face 17 of the support shaft 2, while the second angle ring 16 is arranged on the side of the roller bearing 3 facing a flattened attachment end 18.
  • connection-side angle ring 16 extends radially as far as the outer ring 7.
  • the outer ring 7 is pressed into a sleeve portion 19 of the manufactured as a formed part of sheet metal base 4.
  • the sleeve portion 19, on which with the interposition of a sleeve 20 of the elastic cover 5 of the pressure roller 1 is arranged, has a fastening end 18 facing the single-layer portion 21 and an adjoining double-walled portion 22.
  • an axial stop 23 is formed for the outer ring 7.
  • the sleeve portion 19 merges into a radially obliquely inwardly extending annular portion 24.
  • the remaining central opening in the base body 4 is closed with a snapped onto the ring portion 24 lid 25 on plastic.
  • the rolling bearing 3 is thus sealed to the end face 17.
  • connection-side angle ring 16 is for a force in the axial direction, that is in the longitudinal direction of the support shaft 2, to about 100 N suitable.
  • each angle ring 15, 16 has in that radial region in which the axial rings 13 are located, a circumferentially varying axial distance from the inner ring 6, so that a waveform with two offset by 180 ° wave troughs 27 and two formed between the troughs 27 wave crests 28 is given.
  • the axial rings 13 exert no or only a very small axial force on the inner ring 6.
  • the in Fig. 3 in which the wave troughs 27 are visible, the axial rings 13 exert no or only a very small axial force on the inner ring 6.
  • a single elastic ring 30 is provided for the resilient retention of the inner ring 6 on the support shaft 2.
  • the elastic ring 30 has a saddle-shaped surface and has on each end face two offset by 180 °, radially outwardly projecting Randerhebept 31, between which the inner ring 6 is clamped.
  • the function of the edge elevations 31 basically corresponds to the function of the wave peaks 28 in the exemplary embodiment according to FIGS FIGS. 3 and 4 , This is also in the embodiment of the FIGS. 4 to 8 a preferred tilting axis K of the rolling bearing 3 given.
  • the elastic ring 30 may also be constructed in several parts.
  • a common feature of all embodiments is the lack of a radially extending bore in the support shaft 2 and an engaging in such a bore bolt or pin, which is held in the inner ring 6 in order to store this tiltably on the support shaft 2.
  • the inner ring 6 is elastic, in particular with a defined preferred tilt direction, mounted and at the same time damped with respect to the support shaft 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Support Of The Bearing (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Claims (22)

  1. Rouleau de pression (1) pour machines textiles, comprenant un essieu porteur (2) et un revêtement (5) monté à rotation par rapport à celui-ci en interposant un palier à roulement (3) présentant une bague interne (6) et une bague externe (7), la bague interne (6) pouvant pivoter de manière limitée par rapport à l'essieu porteur (2), caractérisé en ce que la bague interne (6) est disposée sur l'essieu porteur (2) en interposant au moins une bague élastique (9, 10, 13, 30) permettant son mouvement de pivotement.
  2. Rouleau de pression (1) selon la revendication 1, caractérisé en ce que plusieurs bagues élastiques (9, 10, 13) sont disposées entre l'essieu porteur (2) et la bague interne (6).
  3. Rouleau de pression (1) selon la revendication 2, caractérisé en ce qu'au moins une bague élastique (9, 10) s'insère dans une rainure (11, 12) dans l'essieu porteur (2).
  4. Rouleau de pression (1) selon la revendication 2 ou 3, caractérisé en ce que la bague élastique (9, 10, 13) est réalisée sous forme de joint torique.
  5. Rouleau de pression (1) selon l'une quelconque des revendications 2 à 4, caractérisé en ce que plusieurs bagues élastiques (9, 10) sont disposées radialement entre l'essieu porteur (2) et la bague interne (6).
  6. Rouleau de pression (1) selon la revendication 5, caractérisé en ce que les bagues élastiques (9, 10) disposées radialement entre l'essieu porteur (2) et la bague interne (6) sont dimensionnées différemment.
  7. Rouleau de pression (1) selon la revendication 6, caractérisé en ce qu'une bague élastique centrale (9) présente une section transversale supérieure aux bagues élastiques extérieures (10, 13) adjacentes axialement à celle-ci.
  8. Rouleau de pression (1) selon l'une quelconque des revendications 2 à 7, caractérisé par des bagues élastiques (13) adjacentes axialement à la bague interne (6).
  9. Rouleau de pression (1) selon la revendication 8, caractérisé en ce qu'une bague élastique (13) adjacente axialement à la bague interne (6) s'appuie sur une bague de support (15, 16) entourant l'essieu porteur (2).
  10. Rouleau de pression (1) selon la revendication 9, caractérisé en ce que la bague de support (15, 16) est réalisée sous forme de bague angulaire.
  11. Rouleau de pression (1) selon la revendication 9 ou 10, caractérisé en ce qu'une surface de la bague de support (15, 16) tournée vers la bague interne (6) présente dans la direction périphérique une forme ondulée avec deux sommets d'ondulation (28) et deux creux d'ondulation (27).
  12. Rouleau de pression (1) selon la revendication 1, caractérisé en ce qu'une bague élastique unique (30) est disposée entre l'essieu porteur (2) et la bague interne (6).
  13. Rouleau de pression (1) selon la revendication 12, caractérisé en ce que la bague élastique (30) est plus large dans la direction axiale que la bague interne (6).
  14. Rouleau de pression (1) selon la revendication 12 ou 13, caractérisé en ce que la bague élastique (30) présente une surface en forme de selle venant en contact avec la bague interne (6).
  15. Rouleau de pression (1) selon l'une quelconque des revendications 1 à 14, caractérisé en ce que la bague externe (7) est disposée à l'intérieur d'une portion de douille (19) d'un corps de base (4) qui est entouré par le revêtement (5).
  16. Rouleau de pression (1) selon la revendication 15, caractérisé en ce que le corps de base (4) est réalisé sous forme de pièce en tôle façonnée sans enlèvement de copeaux.
  17. Rouleau de pression (1) selon la revendication 15 ou 16, caractérisé en ce que la portion de douille (19) présente une portion à double paroi (22), qui forme une butée axiale (23) contre laquelle s'applique la bague externe (7).
  18. Rouleau de pression (1) selon l'une quelconque des revendications 15 à 17, caractérisé en ce que le corps de base (4) présente une portion annulaire (24) axialement adjacente au palier à roulement (3), s'étendant radialement vers l'intérieur, et se raccordant à la portion de douille (19).
  19. Rouleau de pression (1) selon la revendication 18, caractérisé en ce que la portion annulaire (24) présente un espacement axial par rapport au palier à roulement (3) augmentant depuis la bague externe (7) jusqu'à la bague interne (6).
  20. Rouleau de pression (1) selon la revendication 18 ou 19, caractérisé en ce que la portion annulaire (24) est fermée avec un couvercle (25) monté avant l'essieu porteur (2) dans la direction axiale.
  21. Rouleau de pression (1) selon l'une quelconque des revendications 1 à 20, caractérisé en ce que la bague interne (6) peut être basculée, du fait de son support sur palier, au moyen de l'au moins une bague élastique (9, 10, 13, 30) par rapport à l'essieu porteur (2), d'environ 1,5° et au maximum de 5°.
  22. Utilisation d'un rouleau de pression (1) selon l'une quelconque des revendications 1 à 21 dans une machine à texturer.
EP08786168A 2007-08-08 2008-07-16 Rouleau de pression pour machines textiles Not-in-force EP2176454B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007037514A DE102007037514A1 (de) 2007-08-08 2007-08-08 Andruckrolle für Textilmaschinen
PCT/EP2008/059269 WO2009019110A1 (fr) 2007-08-08 2008-07-16 Rouleau de pression pour machines textiles

Publications (2)

Publication Number Publication Date
EP2176454A1 EP2176454A1 (fr) 2010-04-21
EP2176454B1 true EP2176454B1 (fr) 2011-05-25

Family

ID=39937349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08786168A Not-in-force EP2176454B1 (fr) 2007-08-08 2008-07-16 Rouleau de pression pour machines textiles

Country Status (5)

Country Link
EP (1) EP2176454B1 (fr)
CN (1) CN101849050B (fr)
AT (1) ATE510943T1 (fr)
DE (1) DE102007037514A1 (fr)
WO (1) WO2009019110A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU102815B1 (de) * 2021-06-01 2022-12-01 Rieter Components Germany Gmbh Andruckrolle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010009467A1 (de) * 2010-01-15 2011-07-21 Oerlikon Textile Components GmbH, 70736 Andruckrolle
CN101956259A (zh) * 2010-10-18 2011-01-26 无锡源盛科技发展有限公司 可周向调节的纺机皮辊
DE102012207140A1 (de) * 2012-04-27 2013-10-31 Schaeffler Technologies AG & Co. KG Anordnung zur Befestigung einer Stütz- oder Kurvenrolle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866321C (de) * 1937-06-02 1953-02-09 Freudenberg Carl Kg Abdichte- und Haltevorrichtung fuer die Lager von Druckwalzen fuer Spinnmaschinen
DE2923871A1 (de) 1979-06-13 1980-12-18 Schaeffler Ohg Industriewerk Waelzgelagerte, einen aeusseren elastischen bezug tragende druckrolle fuer textilmaschinen
DE19712417A1 (de) * 1997-03-25 1998-10-01 Schaeffler Waelzlager Ohg Andruckrolle für Textilmaschinen
DE19733562A1 (de) 1997-08-02 1999-02-04 Schaeffler Waelzlager Ohg Andruckrolle für Textilmaschinen
DE19733563B4 (de) * 1997-08-02 2006-11-30 Schaeffler Kg Andruckrolle für Textilmaschinen
JP3129276B2 (ja) * 1998-03-05 2001-01-29 村田機械株式会社 ドラフト装置のトップローラー
DE10251597A1 (de) * 2002-11-06 2004-05-19 Texparts Gmbh Doppelscheiben-Dichtung für Oberwalzen von Streckwerken
CN2627017Y (zh) * 2003-07-04 2004-07-21 如东特种轴承有限公司 新型上罗拉轴承

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU102815B1 (de) * 2021-06-01 2022-12-01 Rieter Components Germany Gmbh Andruckrolle
WO2022253688A1 (fr) * 2021-06-01 2022-12-08 Rieter Components Germany Gmbh Galet presseur

Also Published As

Publication number Publication date
WO2009019110A1 (fr) 2009-02-12
ATE510943T1 (de) 2011-06-15
CN101849050B (zh) 2011-12-07
EP2176454A1 (fr) 2010-04-21
DE102007037514A1 (de) 2009-02-12
CN101849050A (zh) 2010-09-29

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