EP0412356B2 - Chaîne de rame - Google Patents

Chaîne de rame Download PDF

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Publication number
EP0412356B2
EP0412356B2 EP90114225A EP90114225A EP0412356B2 EP 0412356 B2 EP0412356 B2 EP 0412356B2 EP 90114225 A EP90114225 A EP 90114225A EP 90114225 A EP90114225 A EP 90114225A EP 0412356 B2 EP0412356 B2 EP 0412356B2
Authority
EP
European Patent Office
Prior art keywords
transport chain
plates
material transport
outer side
chain
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
EP90114225A
Other languages
German (de)
English (en)
Other versions
EP0412356B1 (fr
EP0412356A1 (fr
Inventor
Harry Gresens
Johann Tiefenbach
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.)
Brueckner Trockentechnik GmbH and Co KG
Original Assignee
Brueckner Trockentechnik GmbH 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6386903&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0412356(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brueckner Trockentechnik GmbH and Co KG filed Critical Brueckner Trockentechnik GmbH and Co KG
Publication of EP0412356A1 publication Critical patent/EP0412356A1/fr
Publication of EP0412356B1 publication Critical patent/EP0412356B1/fr
Application granted granted Critical
Publication of EP0412356B2 publication Critical patent/EP0412356B2/fr
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/02—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus
    • D06C3/023—Chains

Definitions

  • the invention relates to a web conveyor chain for tensioning machines, according to the preamble of claim 1.
  • a web transport chain is known in which at least one needle bearing is arranged between the hinge pins and the bushings on the one hand and between these bushings and the protective rollers on the other hand.
  • the shaft section of the hinge pin that carries the needle bearing for the bushing is about 1.33 times as large in diameter as the other, adjacent shaft sections.
  • a web transport chain is also known, in which a sleeve is rotatably connected to the hinge pin, on which a plain bearing is arranged, which carries a socket connected to the inner plates.
  • a ball bearing is arranged between this bush and the protective roller.
  • the shaft section of the hinge pin that carries the slide bearing for the bush has the same diameter as the other, adjacent shaft sections.
  • the outer diameter of the sleeve arranged in a rotationally fixed manner on the supporting shaft section is approximately 1.32 times as large as the other, adjacent shaft sections.
  • a web transport chain is also known in which the protective roller is arranged directly on the socket firmly connected to the inner plates, which in turn is rotatable on the bearing shaft section of the hinge pin is mounted.
  • the diameter of this load-bearing shaft section of the hinge pin is 1.14 times as large as the adjacent, remaining shaft sections.
  • the invention has for its object to design a web transport chain of the type required in the preamble of claim 1 so that it is characterized by low wear and high durability with a simple design and lubrication-free design.
  • FIG. 1 is composed in its general structure in a manner known per se from alternating successive outer links with outer links and inner links with inner links, each at their articulation points a hinge pin are hinged together.
  • FIG. 1 A cross-section through the web transport chain in the area of such an articulation point is shown in FIG. 1. Accordingly, this transport chain contains articulation pins 1 which - according to the drawing - are firmly connected to lower outer plates 2 and upper outer plates 3, these outer plates being in pairs and with Distance and are arranged parallel to each other.
  • Each lower outer link 2 is riveted to the associated hinge pin 1 via the bolt head 1 a, while the associated upper outer link 3 together with a usual bracket body 4 indicated only by dash-dotted lines on the upper free thread end 1 b of the hinge pin 1 - by means of a nut (not shown) - is screwed on.
  • a bushing 5 is rotatably mounted on a shaft section 1c of each hinge pin 1. With the bushes 5 are arranged in pairs inner plates, namely a lower inner plate 6 and an upper inner plate 7 (according to FIG. 1).
  • An annular protective roller 8 is rotatably mounted on each of the aforementioned bushings 5. These protective rollers 8 come at the deflection points of the transport chain, i.e. that is, at the end sections of the associated tensioning machine, with deflection sprockets in engagement, so that the necessary rotational mobility of the corresponding transport chain sections relative to the deflection sprockets is ensured by these protective rollers 8.
  • the protective rollers 8 have yet another task, which is why - as can be clearly seen in the drawing - they have a particularly large material thickness D in the radial direction, their outer circumference relative to the outer contour of the associated inner plates 6, 7 stands out clearly.
  • the protective rollers 8 can also be used at the same time for rolling transverse support of the web transport chain on an associated chain guide rail 9, indicated only by dash-dotted lines, when a transverse tensioning of a web to be treated (in the width direction) thereof is to be recorded during operation of the associated tensioning machine .
  • a particularly advantageous feature of this web transport chain according to the invention can be seen in the fact that a slide bearing 10 and 11 made of high-temperature-resistant plastic is arranged between said shaft section 1c of each hinge pin 1 and the associated bushing 5 and between this bushing 5 and the protective roller 8 is.
  • the plastic material of these slide bearings includes filler and support materials, such as glass fibers, carbon fibers or the like Lubricant improvers, such as graphite, polytetrafluoroethylene or the like. Contains.
  • polyimide or possibly another plastic with at least similar properties is particularly suitable.
  • each hinge pin 1 has a shaft section 1c, for example on the shaft section 1c carrying the slide bearing 10 for the associated bushing 5, in relation to the rest of the pin shaft (in the area of the head 1 a and in the area of the thread end 1 b) has a clearly enlarged diameter A, as can be clearly seen from the drawing in FIG. 1.
  • This shaft section 1c of each hinge pin 1 can - depending on the properties of the plastic material just used - be about 1.5 to 2.5 times in diameter, preferably about 1.8 to 2.2 times as large as the other pin shaft sections; In the example according to FIG. 1, the diameter A of the shaft section 1c carrying the slide bearing 10 is approximately twice the value of the diameter of the other shaft sections 1a, 1b.
  • the slide bearings 10 between the pivot pin shaft sections 1c and the bushings 5 are designed in the form of one-piece, straight hollow cylinders (slide bearing bushes).
  • the sliding bearings 11 between the bushes 5 and the protective rollers 8 are each formed by two identical bearing elements 11a, 11b, which follow one another axially, that is to say by divided sliding layers.
  • Each of these bearing elements 11a, 11b is designed in the form of a hollow cylinder (plain bearing bush) and has a flange-like collar 11a 'or 11b' on its outer end, which to a certain extent is an axial sliding bearing between the respective end of the protective roller 8 and the associated outer plate 6 or 7 forms.
  • This split design of the slide bearing 11 is also an expedient requirement for simple assembly of this slide bearing 11.
  • the main difference between the embodiment according to FIG. 1 and the embodiment variant according to FIG. 2 can be seen in the fact that the transverse tensioning forces caused by the material web, which act on the transport chain, are transmitted to the associated chain guide rail 9 via a slide arm 12.
  • This sliding arm 12 which is used for transverse support of the transport chain on the chain guide rail 9, is carried by the upper outer link plates 3 ', i.e. In the illustrated embodiment (Fig. 2), the slide arm 12 is formed in one piece with the respective upper outer link 3 ', whereby it hangs laterally (on a long side of the transport chain).
  • This slide arm 12 is supported at least in the area of the outer circumference of the associated protective roller 8 'and at a distance from it on the chain guide rail 9.
  • the sliding arm 12 or the side of the chain guide rail 9 facing it is also expediently provided with a support or rail made of material which reduces the sliding friction to a minimum.
  • the protective rollers 8 'can have a smaller material thickness in the radial direction compared to the embodiment according to FIG. 1, as can be seen from a comparison between these two drawing figures.
  • FIG. 3 shows a third embodiment of the web transport chain according to the invention in a cross-sectional view of the same type through an articulation point of the transport chain (but without indicating the chain guide rail) like FIGS. 1 and 2. Since again a large part of the chain elements is designed in the same way as in the example in FIGS. 1 and 2, all components of exactly the same type are again identified with the same reference symbols and almost identical components with the same reference symbols with the addition of a double line, which results in a new description of these Components unnecessary.
  • a first difference to the first examples is to be seen in the fact that not only the slide bearings 10 between the pivot pin shafts 1 "c and the bushes 5 are designed in the form of a one-piece, straight hollow cylinder, but also that the slide bearings 13 between the bushes 5 and the Protective rollers 8 "are each in the form of one-piece straight hollow cylinders.
  • the protective rollers 8 ′′ can generally be designed with a somewhat increased thickness (similar to FIG. 1) or with a somewhat smaller radial material thickness, roughly corresponding to FIG. 2, in which case the transverse support of the transport chain on the - Chain guide rail, not shown again here, is carried out with the aid of a sliding arm 12 which is formed in one piece with the respective upper outer link 3 '(cf. corresponding explanations for the exemplary embodiment according to FIG. 2).
  • the design of the slide bearing 13 between the bushes 5 and the protective rollers 8 "(approximately in the form of a straight cylinder bushing) means that this sliding bearing 13 is extremely simple to manufacture. It may be expedient to make the protective rollers 8" so wide (in the axial direction) that they essentially fill the space between the associated inner plates 6, 7. In addition, it can then be particularly advantageous in this case between the mutually facing contact surfaces of the lower inner plates 6 and the lower end faces of the protective rollers 8 "on the one hand and between the upper inner plates 7 and the upper end faces of the protective rollers 8" on the other hand in a manner known per se To provide sliding films or the like in order to minimize any friction that may occur there.
  • Similar slide films can also - as indicated in the drawing in part - be provided on the one hand between the inward-facing sides of the upper and lower outer plates 2, 3 'and on the other hand the corresponding end faces of the bushes 5 and the hinge pin shaft sections 1 "c.
  • FIG. 3 A second difference of this third exemplary embodiment (FIG. 3) compared to the two previous embodiments can be seen in the fact that the lower outer plates 2 are not riveted to the associated joint bolt via the bolt head, as in FIGS. 1 and 2, but that the lower ones Outer plates 2, ie the outer outer plates of each pair of outer plates (2, 3 ') opposite the support members 4 are arranged by essentially cylindrical fits on the associated ends 1 "a of the hinge bolts 1" in FIG. These hinge pin ends 1 "a then have annular grooves 14, in which releasable quick-release elements 15 are fixed for these lower or outer outer plates 2.
  • the quick-release elements are preferably made of spring steel, made of spring steel, which are preferably approximately U-shaped recesses 16 (with a the diameter of the ring grooves 14 adapted width), these recesses 16 being open towards the one long side 15a of the push-on plate 15. With these recesses 16, the push-on plates 15 can be released onto the ring grooves 14 of the associated hinge pin ends 1 "a, preferably in the manner of a snap lock attached.
  • the use of the quick-release fasteners 15 described above has the great advantage that if any wear parts of the transport chains, particularly in the area of the articulation points (e.g. the slide bearings or the protective rollers) have to be replaced, these wear parts of the transport chain quickly by loosening the quick-release fasteners 15 and removal of the corresponding outer plates 2 are accessible and can be exchanged without having to do with corresponding parts of the transport chain, for example the hinge pin and / or the corresponding outer plates 2 must be destroyed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chain Conveyers (AREA)
  • Advancing Webs (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Claims (10)

  1. Chaîne de transport d'une nappe continue d'étoffe pour rameuses, comprenant :
    a) des mailles extérieures (2, 3) disposées deux à deux et solidarisées avec les axes d'articulation (1),
    b) des mailles intérieures (6, 7) disposées deux à deux et solidarisées avec des manchons (5), les manchons étant montés mobiles en rotation sur les tiges des axes d'articulation,
    c) des organes de support (4) de pinces ou de plaquettes à picots qui sont montés sur les mailles extérieures (3, 3'), ainsi que
    d) des galets annulaires d'usure (8) montés mobiles en rotation sur les manchons (5),
    e) un coussinet (10, 11) en matière plastique résistant aux températures élevées, de préférence en polyimide, et disposé d'une part entre la tige de chaque axe d'articulation (1) et le manchon correspondant (5) et d'autre part également entre ce manchon (5) et le galet d'usure (8),
       caractérisée en ce que,
       f) pour l'obtention d'une pression superficielle suffisamment faible dans les coussinets (10, 11), l'élément de tige (lc) de chaque axe d'articulation (1) qui supporte le coussinet (10) du manchon (5) a un diamètre notablement agrandi par rapport au reste de la tige de l'axe, à savoir qu'il est d'environ 1,5 à 2,5, de préférence de 1,8 à 2,2 fois plus grand que celui de l'élément de tige relié à une maille extérieure (2) dans la région de la tête (la) de l'axe et que celui de l'élément de tige relié à l'autre maille extérieure (3) dans la région de l'extrémité du filetage (1b) de l'axe d'articulation.
  2. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce que la matière plastique des coussinets contient des matières de charge et de soutien telles que des fibres de verre, des fibres de carbone ou analogue ainsi que certaines proportions d'agents d'amélioration de la lubrification tels que du graphite, du polytétrafluoréthylène ou analogue.
  3. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 2, caractérisée en ce que les coussinets sont réalisés en polyimide.
  4. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce que les coussinets (10) situés entre les tiges (1c) des axes d'articulation et les manchons (5) sont réalisés sous la forme de cylindres creux droits monobloc.
  5. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce que chacun des coussinets (11) situés entre les manchons (5) et les galets d'usure (8) sont formés de deux éléments identiques de support (11a, 11b) qui se succèdent axialement, chacun de ces éléments de support étant réalisé sous la forme d'un cylindre creux et comportant à l'extrémité frontale extérieure un collet en forme de bride (11a', 11n') qui forme un coussinet de butée entre l'extrémité frontale correspondante du galet d'usure (8) et la maille extérieure correspondante (6 ainsi que 7).
  6. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce que chacun des coussinets (13) situés entre les manchons (5) et les galets d'usure (8") sont réalisés sous la forme d'un cylindre creux droit monobloc.
  7. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce que les galets d'usure (8) ont une épaisseur (D) de matière relativement grande en direction radiale et leur circonférence extérieure est notablement saillante vers l'extérieur sur le contour extérieur des mailles intérieures correspondantes (6, 7) - en vue d'un appui transversal à roulement de la chaîne de transport contre une barre correspondante (9) de guidage de la chaîne.
  8. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce que des bras coulissants (12) supportés par des mailles extérieures (3') et destinés à l'appui transversal de la chaîne transporteuse contre une barre correspondante (9) de guidage de la chaîne sont prévus sur l'un des côtés longitudinaux de la chaîne, au moins dans la région de la circonférence extérieure des galets d'usure (8) et à distance de ceux-ci.
  9. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 1, caractérisée en ce les mailles extérieures (2, 3') qui sont situées à l'extérieur et du côté opposé à celui des organes de support (4) sont montées à ajustement fin sur les extrémités correspondantes (1"a) des axes d'articulation (1"),
       ces extrémités des axes d'articulation comportant une gorge annulaire (14) et des éléments (15) de fermeture rapide des mailles extérieures (2) situées sur le côté extérieur pouvant se fixer de manière amovible dans ces gorges annulaires.
  10. Chaîne de transport d'une nappe continue d'étoffe selon la revendication 9, caractérisée en ce que les éléments de fermeture rapide qui sont prévus sont de préférence des tôles d'emboîtement (15) en acier à ressort qui comportent une entaille (16) ouverte vers un côté longitudinal (15a) et qui peuvent s'enfiler par cette entaille sur la gorge annulaire (14) de l'extrémité correspondante (1"a) de l'axe d'articulation.
EP90114225A 1989-08-10 1990-07-25 Chaîne de rame Expired - Lifetime EP0412356B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3926508A DE3926508A1 (de) 1989-08-10 1989-08-10 Warenbahn-transportkette fuer spannmaschinen
DE3926508 1989-08-10

Publications (3)

Publication Number Publication Date
EP0412356A1 EP0412356A1 (fr) 1991-02-13
EP0412356B1 EP0412356B1 (fr) 1994-06-15
EP0412356B2 true EP0412356B2 (fr) 1997-02-05

Family

ID=6386903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90114225A Expired - Lifetime EP0412356B2 (fr) 1989-08-10 1990-07-25 Chaîne de rame

Country Status (4)

Country Link
EP (1) EP0412356B2 (fr)
AT (1) ATE107373T1 (fr)
DE (3) DE3926508A1 (fr)
ES (1) ES2055832T5 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4116504A1 (de) * 1990-06-15 1992-01-09 Monforts Gmbh & Co A Gleitlager
FR2674836B1 (fr) * 1991-04-08 1993-07-23 Amdes Sa Dispositif de guidage d'une piece a deplacement rectiligne soumise a une traction perpendiculaire a son deplacement.
DE4118493A1 (de) * 1991-06-06 1992-12-10 Monforts Gmbh & Co A Gleitbuchse
US6042271A (en) * 1996-10-03 2000-03-28 Rexnord Corporation Composite bearing structures
DE10359922A1 (de) * 2003-12-18 2005-08-04 Horst Weidner Gmbh Rollenkette
DE102004049244A1 (de) * 2004-08-12 2006-03-30 Pfander Handelsgesellschaft Mbh Gelenkkette
DE102012023432A1 (de) * 2012-11-30 2014-06-05 Khs Gmbh Transportkette
DE102018113882A1 (de) * 2018-06-11 2019-12-12 Ketten-Wulf Betriebs-Gmbh Gelenkkette

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1707286U (de) * 1955-07-01 1955-09-22 Horst Liebert Rollenkette fuer foerdermittel von gewebespannmaschinen.
DE1039319B (de) * 1956-04-04 1958-09-18 Ruberg & Renner Rollenkettengelenk
DE1635364B1 (de) * 1967-02-21 1971-12-16 Wacker Chemie Gmbh Spannvorrichtungen in Textilmaschinen
DE1925284C3 (de) * 1969-05-17 1978-09-28 Lindauer Dornier-Gesellschaft Mbh, 8990 Lindau Kluppenkette für Spannkluppen in Spannrahmen
US4041790A (en) * 1975-03-18 1977-08-16 Incom International Inc. Roller chain connecting link spring clip
US4563168A (en) * 1982-09-28 1986-01-07 Schneider Daniel J Load distributing chain drive arrangement
FR2542053B1 (fr) * 1983-03-04 1985-07-19 Sedis Transmissions Mec Chaine mecanique comportant une garniture de frottement perfectionnee
DE3333938A1 (de) * 1983-09-20 1985-04-11 Brückner Trockentechnik GmbH & Co KG, 7250 Leonberg Transportkette fuer spannmaschinen
BE904783R (nl) * 1985-09-12 1986-11-17 Belgische Intercomm Gas Elekt Slijtagevaste plaatschalmketting.
DE3713063A1 (de) * 1987-04-16 1988-11-03 Brueckner Trockentechnik Gmbh Transportkette fuer warenbahn-spannmaschinen
FR2621334A1 (fr) * 1987-10-05 1989-04-07 Thermanord Sa Groupe Perfectionnements aux chaines pour le transport des feuilles textiles ou plastiques a l'interieur des rames
DE3744013C2 (de) * 1987-12-24 1997-12-18 Kolb Gmbh & Co Hans Transportkette für Textilverarbeitungsmaschinen

Also Published As

Publication number Publication date
DE59006115D1 (de) 1994-07-21
EP0412356B1 (fr) 1994-06-15
ES2055832T5 (es) 1997-05-01
EP0412356A1 (fr) 1991-02-13
ATE107373T1 (de) 1994-07-15
DE3926508A1 (de) 1991-02-14
ES2055832T3 (es) 1994-09-01
DE8915880U1 (fr) 1991-11-14

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