EP3741888B1 - Unité de compactage pour un banc d'étirage d'une machine textile - Google Patents

Unité de compactage pour un banc d'étirage d'une machine textile Download PDF

Info

Publication number
EP3741888B1
EP3741888B1 EP20175149.2A EP20175149A EP3741888B1 EP 3741888 B1 EP3741888 B1 EP 3741888B1 EP 20175149 A EP20175149 A EP 20175149A EP 3741888 B1 EP3741888 B1 EP 3741888B1
Authority
EP
European Patent Office
Prior art keywords
guide
wear
fiber strand
compacting unit
drafting system
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.)
Active
Application number
EP20175149.2A
Other languages
German (de)
English (en)
Other versions
EP3741888A1 (fr
Inventor
Karlheinz Huber
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3741888A1 publication Critical patent/EP3741888A1/fr
Application granted granted Critical
Publication of EP3741888B1 publication Critical patent/EP3741888B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • D01H5/72—Fibre-condensing guides

Definitions

  • the present invention relates to a compression unit for a drafting system of a textile machine, for compressing a finished drafted fiber structure, the compression unit having at least one fiber structure guide and the fiber structure guide having a guide surface for the fiber structure, in the longitudinal direction of which the fiber structure can run, and a bearing surface arranged on the guide surface is provided for the support of the compressor unit on a drafting system roller, wherein the contact surface of the fiber strand guide is made of a plastic.
  • a pressure roller unit for a drafting system of a textile machine is known.
  • the pressure roller unit has a base body and two non-contacting pressure roller twins, which are received in the base body.
  • the pressure roller unit also has a compressor unit which is attached to a holder.
  • the compressor unit is freely movable on the base body.
  • Two wear-resistant components are fastened to the compressor unit, which serves on the one hand for a suitable support of the compressor unit on a drafting system roller and on the other hand is provided for compressing a fiber structure supplied from a drafting system arranged in front of it.
  • the compressor lies on the output cylinder of the drafting system.
  • the fibers are guided in the compression channel.
  • the fibers only move within the canal if its edges lie snugly on the starting cylinder or at least have only a small distance to the surface of the starting cylinder.
  • a distance of about half the diameter of the fibers to be compacted is still acceptable. If the distance increases, there is no guarantee that the fibers are still within the channel stay. However, this is the prerequisite for ensuring a safe compacting process. Since the diameter of a fiber is in the range of 0.05 to 0.03 mm, the compressor is required to be manufactured with great precision.
  • the EP 3 073 000 A1 discloses a compressor unit in which the first wear-resistant component is not seated directly on the drafting system roller. As a result, it is not immediately necessary to adapt the wear-resistant component to the drafting system roller, which means that the entire compressor unit can be manufactured more cost-effectively.
  • the contact surface for the drafting system roller in the area of the first sliver guide is made of a less wear-resistant material. This less wear-resistant material, which can be plastic, for example, is able to adapt to the metal drafting system roller through targeted wear. As a result, after a certain period of operation, a very dense contact surface is achieved in relation to the drafting system roller.
  • the second wear-resistant component is made of steel or ceramic and must therefore be manufactured very precisely in order to enable an exact adjustment to the drafting system roller. Due to the length of the compressor unit, which extends over two spinning stations or drafting units arranged next to one another, it is particularly difficult to meet the accuracy requirement.
  • From the DE 10 2015 002 206 A1 is an arrangement for sitting a compressor on a lower cylinder of a drafting system, in which the Seating surface of the compressor rests not only on non-smooth or corrugated peripheral surfaces of the lower cylinder, but also on smooth peripheral surfaces.
  • the compressor when new has a small contact surface that is higher than the contact surface of the compressor along the edge of the compression channel. Since this increase is very small relative to the total seating area of the compressor, this increase is subject to very rapid wear during start-up operation, namely until the surfaces of the compressor lying on the side of the corrugation rest without play on the smooth peripheral surfaces of the lower cylinder.
  • the compressor independently creates the right amount for optimum compression, with the result being an optimal adaptation of the two components, compressor and lower cylinder, in terms of shape and size.
  • the contact surface is relatively large, so that wear and tear on the contact surface can only occur due to the strong corrugation of the lower cylinder.
  • a very precise manufacture of the contact surface is still necessary, since otherwise the effect of the seal is unsatisfactory for a long time and trouble-free spinning is not guaranteed, particularly in the early days.
  • the disadvantage of the known compressor units is that the wear-resistant components are seated with their wear-resistant surfaces on the drafting system roller. It is therefore necessary for the wear-resistant components to be manufactured very precisely in order to ensure that the contact surface, which is generally curved in accordance with the circumference of the drafting system roller, is flush with the drafting system roller. If necessary, the contact surface must be adapted and adjusted in order to ensure that there is no impermissibly large gap between the wear-resistant component and the drafting system roller, into which the fibers of the fiber structure could penetrate. This is very expensive. If the support is made of a material that is subject to wear, there is a risk that the adaptation of the component to the drafting system roller is not yet optimal when the compressor unit is first used.
  • the object of the present invention is therefore to create a compactor unit that can be produced inexpensively, has a long service life and is also able to compress a fiber structure that is located on a drafting system roller and is guided and compacted by the compactor unit as quickly as possible and without errors .
  • a compressor unit for a drafting system of a textile machine. It is used to compress a finished, warped fiber structure.
  • the compression unit comprises at least one fiber strand guide.
  • the fiber structure guide has a compression channel in which the fiber structure is compressed.
  • the compression device can also be arranged in the longitudinal direction of the fiber structure and usually spaced apart from one another, in addition to the compression channel, have another fiber structure guide in which the fiber structure is deflected and/or centered in relation to the compression channel. It is also possible for one or more further fiber structure guides to be provided parallel to this first and/or second fiber structure guide, which can be assigned to an adjacent drafting system.
  • the fiber structure guide has a guide surface for the fiber structure and a support surface arranged on the guide surface for the support of the compressor unit on a drafting system roller.
  • the fiber structure can run in the longitudinal direction of the guide surface.
  • the contact surface of the fiber structure guide is made of a plastic.
  • the plastic can have wear-resistant properties, as a result of which the compactor unit can be used on the drafting system for a long time without the guiding properties for the fibers or the sealing against the drafting system roller being impaired.
  • the invention provides that the fiber structure guide has a wear edge on its contact surface along the guide surface. The wearing edge ensures that only the wearing edge has to be adapted to the drafting system roller in order to achieve a tight fit of the compressor unit on the drafting system roller.
  • the bearing surface of the compressor unit is increased on the drafting roller, whereby the wear life is extended. This results in a long service life for the compressor unit, since wear is significantly reduced compared to the initial phase.
  • the wearing edge reduces the running-in time, during which the yarn may not have the desired quality.
  • the service life of the compressor unit will still be very long, since after the running-in period the wear of the compressor unit progresses much more slowly than during the running-in period.
  • the wear edge has a height of less than or equal to 0.2 mm, the wear edge will be adapted to the shape of the drafting system roller after a short time and will seal the compressor unit from the drafting system roller.
  • the manufacturing inaccuracies can move in this area and there is still a very quick adaptation to the actual shape.
  • the wear edge has an initial width of less than or equal to 2 mm. This width causes rapid wear of the wearing edge during operation of the spinning station, and on the other hand, adequate sealing is achieved when the wearing edge is adapted to the drafting system roller.
  • the wear edge gradually falls away from the guide surface of the fiber structure guide to the support surface.
  • the wear edge on the fiber strand guide, in particular on the compression channel is higher than in the area of the subsequent contact surface of the compression unit.
  • the wearing edge can be designed with edges or, for example, in the form of a ramp or embankment, for example in a straight line or in the form of an arc.
  • the angle of the ramp or embankment can be 1° to 20°, for example.
  • the ramp or embankment can taper towards the fiber strand guide or end in a plateau with a width of up to 2 mm, for example.
  • the wear edge is arcuate with a radius of preferably between 250 mm and 2500 mm.
  • the contact surface of the fiber structure guide is made of a plastic that has sliding bearing properties.
  • the effect of this is that the wear on the compressor unit is very low overall.
  • the compressor unit can thus be used over a long period of time.
  • rapid initial wear is achieved at the beginning of the use of the compressor unit due to the initially small contact surface, as a result of which the compressor unit can adapt to the drafting system and achieve a seal.
  • the service life of the compressor unit is very long due to the plastic used with plain bearing properties and wear is correspondingly low.
  • the compression unit preferably comprises a holder on which fiber structure guides for one and/or two drafting units are arranged.
  • the compression unit with the wear edge according to the invention can be designed in such a way that it only has the compression channel for a drafting system of a spinning station or the compression channel and a further fiber strand guide for this one drafting system or this spinning station.
  • the compression unit can also be designed in such a way that it comprises two compression channels, which are used for two drafting systems arranged in parallel or Spinning stations are provided, or for the two parallel drafting units or spinning stations includes both two compression channels and two other fiber strand guides.
  • the fiber structure guides are arranged on the holder in such a way that they are spaced apart from one another in the longitudinal direction and/or transverse direction of the fiber structure guides.
  • an output roller of the drafting system is often arranged between the two fiber structure guides.
  • the fiber structure guides guide two parallel fiber structures in two drafting systems or two spinning positions.
  • the first fiber structure guide arranged first in the direction of travel of the fiber structure has at least one guide surface of a guide channel for the fiber structure and the second fiber structure guide arranged after it in the direction of travel of the fiber structure has at least one guide surface of the compression channel for the fiber structure.
  • the guide surface of the first fiber structure guide can also be provided for the correct positioning of the compressor unit on the drafting system roller. Only in the event that the fiber structure to be guided shows major deviations in its position would this guide surface come into effect in relation to the fiber structure.
  • the first fiber structure guide can also have a wear-resistant guide element which has no contact with the drafting system roller but only has contact with the fiber structure for guiding the fiber structure.
  • the bearing surface for the bearing on the drafting system roller has a curvature whose radius essentially corresponds to the radius of the drafting system roller on which it is to rest. This also applies to the wear edge.
  • the advantage here is that the wear edge as well as the contact surface does not have to be manufactured exactly, since the shape of the drafting system roller is adopted after a short time due to the targeted and intended wear, in particular of the wear edge.
  • the first fiber structure guide if it has a wear-resistant component made of steel or ceramic, in particular in the form of a pin, for guiding the fiber structure.
  • This wear-resistant guide element is preferably not in contact with the drafting system roller, which means that there is no wear on the guide element due to friction with the drafting system roller, or possibly due to friction with the fibers of the fiber structure.
  • a support elevation is arranged on the support surface and at a distance from the wear edge.
  • the support increase is also subject to wear and therefore runs in when the compressor unit is first used. Both the wear edge and the support increase thus enable stable support of the compressor unit on the drafting system roller right from the start of use of the compressor unit in spinning operation. As the compressor unit is used, the support becomes more and more stable and tighter due to increasing wear, without the compressor unit assuming an impermissible position.
  • the support ridge has an initial support area of between 0.05 and 1 mm 2 .
  • the support increase is subject to rapid wear and quickly adapts to the requirements for a correct position of the compressor unit.
  • the support elevation falls towards the contact surface, preferably gradually.
  • the support increase can likewise be designed in the form of a ramp with a peak or a round or angular plateau.
  • it is also possible, among other things, for it to be designed in the form of a spherical segment.
  • the support surface of the support elevation thus increases with increasing wear, as a result of which the wear also gradually takes place more slowly.
  • the compression unit preferably comprises at least one receptacle for a loading element for generating a bearing force on the bearing surfaces of the compression unit. In this way, a defined contact force and thus a tight contact of the compressor unit on the drafting system roller can be generated.
  • the compression unit has a wear indicator for the contact surface of the fiber strand guide. This makes it easy for the operator of the spinning machine to determine whether the total wear of the compressor unit exceeds a permissible level and can therefore replace the compressor unit in good time without the quality of the spinning result suffering.
  • figure 1 shows a side view of a compression unit 1, which is arranged above a drafting system roller 2.
  • the compressor unit 1 has a first fiber structure guide 3 and a second fiber structure guide 4 .
  • a pressure roller 5 which presses a sliver 6 onto the lower drafting roller 2 .
  • the pressure rollers 5, which form the output rollers of the drafting system, are fastened to a pressure arm 7, which presses both the pressure rollers 5 and the compressor unit 1 onto the drafting system roller 2.
  • the first fiber structure guide 3 and the second fiber structure guide 4 are connected to one another by means of a holder 8 .
  • the two fiber structure guides 3 and 4 are arranged on the holder 8 . You can move relative to the holder 8 or be fixed to this.
  • a receptacle 9 is arranged on the holder 8, which is equipped with a loading element 10 cooperates, which mounts the compressor unit 1 movably relative to the pressure arm 7 and thus causes the compressor unit 1 to be pressed precisely and firmly onto the drafting system roller 2 .
  • a guide channel 11 with guide surfaces 11a and 11b (see FIG figure 2 ) arranged, which summarizes the fiber structure 6 slightly and presses it against the drafting roller 2.
  • the second fiber structure guide 4 serves to compress the fiber structure 6 and accordingly has a compression channel 13 with guide surfaces 13a and 13b (see FIG figure 2 ) on.
  • the second fiber structure guide 4 has a bearing surface 15 which is essentially designed to correspond to the rounding of the drafting system roller 2 and should therefore lie snugly on the drafting system roller 2 .
  • the first fiber structure guide 3 also has a bearing surface 16 for bearing on the drafting system roller 2. Both bearing surfaces 15 and 16 have a curvature with a radius r, so that they can adapt to the corresponding radius of the drafting system roller 2.
  • the two fiber structure guides 3 and 4 can be made of plastic together with the holder 8 and preferably also the receptacle 9 . You can be made in one piece with the holder 8 or be connected to this, for example, by means of an adhesive bond. It is also possible that they are movably connected to the holder so that they can adapt to the drafting system roller.
  • the receptacle 9 is used to attach the holder 8 to the loading element 10.
  • the plastic can be designed to be particularly slippery.
  • the bearing surfaces 15 and 16 of the fiber structure guide 3, 4 are preferably made of a plastic that has sliding bearing properties. These plastics, which are usually used for plain bearings, have particularly good wear resistance and low sliding friction resistance in connection with steel from which the drafting roller 2 is made. If the plastic contains a solid lubricant, a long service life is possible. If the plastic is resistant to an operating temperature of over 200° C., in particular at least 230° C., use under extreme conditions is also possible.
  • the side view shows the rounded conical shape of the fiber structure guide 3 and 4 to cling to the pressure rollers 5 can. Even when there is contact with the pressure rollers 5, it is advantageous if the fiber structure guides 3 and 4 are made of plastic material because it reduces wear and friction losses.
  • the bearing surface 15 or 16 is integrated in the compressor unit 1 and is curved in order to be able to cling to the drafting system roller 2 .
  • FIG 2 a bottom view of a compressor unit 1 for two fiber strands 6 is shown.
  • the compressor unit 1 of figure 2 is designed as a double-sided component, so that two fiber bundles 6, which are spun at adjacent spinning positions, can be compressed by means of a holder 8, on which two compression units 1 are arranged.
  • a first, slight compression of the fiber structure 6 takes place in connection with the drafting roller 2. After this first compression of the fiber structure 6, it enters the compression channel 13 of the second fiber structure guide 4.
  • the compressor unit 1 has a wear indicator 20 for the bearing surfaces 15 and 16 of the fiber structure guides 3 and 4.
  • the wear indicator 20 is designed as a surface between the two fiber structure guides 3 and 4 in the area of the holder 8 . If the bearing surfaces 15 and 16 are worn after prolonged use in which they rest on the rotating drafting roller 2 , the compression unit 1 is shortened in the radial direction of the drafting roller 2 . As a result, the radial distance between bearing surfaces 15 and 16 and wear indicator 20 is shortened or even used up entirely. In extreme cases, material is even removed from wear indicator 20 . This is the sign for an operator that the compressor unit 1 has to be replaced since the guidance of the fiber structure 6 can no longer be adequately guaranteed.
  • Wearing edges 21 are arranged on the bearing surfaces 15 and 16 along the guide channels 11 and the guide surfaces 11a and 11b and the compression channels 13 with the guide surfaces 13a and 13b.
  • the wearing edges 21 protrude beyond the bearing surfaces 15 and 16, as can be seen from the following figures.
  • the wear edges 21 contact the drafting system roller 2. After they protrude beyond the bearing surfaces 15 and 16, they are the first to be worn away by the friction with the drafting system roller 2. This creates a continuous contact surface with the drafting system roller 2 very quickly, so that fibers of the fiber structure 6 can no longer be pinched between the compactor unit 1 and the drafting system roller 2 or can escape through a gap from the guide channel 11 or the compacting channel 13.
  • the support elevations 22 form a possibility for the compressor unit 1 to be able to rest stably on the drafting system roller 2 .
  • the support pads 22 are also intended to wear out. Accordingly, they only have one small deposit. For example, a conical design of the support elevations 22 will initially result in greater wear than as the compressor unit 1 continues to be used. It may also be sufficient for only a single support elevation 22 to be arranged on the holder 8 .
  • the support elevation 22 can also be arranged on the bearing surface 15 and/or 16.
  • FIG. 3a a section through a first fiber structure guide 3 is shown.
  • a pin 12 is arranged in this fiber structure guide 3 .
  • the pin 12 is inserted in a receptacle which is designed as a recess. It forms the upper side of the guide 11 which is open to the bearing surface 16 .
  • the lateral guide surfaces 11a and 11b of the guide channel 11 are formed by the plastic material of the holder 8.
  • FIG. The fiber structure 6 is guided in this area of the guide channel 11, shown here as a rectangle. Since higher frictional forces are to be expected on the upper side of the guide 11 as a result of the fiber structure 6, it is advantageous if the pin 12 is made of steel or ceramics in order to bring about permanent, consistent guidance of the fiber structure 6. This pin 12 can be particularly advantageous when particularly aggressive materials are to be spun.
  • the wearing edge 21 has a height H, which is preferably a maximum of 0.2 mm.
  • a width B is preferably a maximum of 2 mm.
  • the angle ⁇ of the bevel of the bearing surface 16, shown here as a ramp can be in a range from 1° to 15°, for example.
  • Figure 3b shows a section through an alternative first fiber structure guide 3.
  • This fiber structure guide 3 is constructed similarly to the embodiment according to FIG Figure 3a , but has no steel or ceramic pin 12 .
  • This version is sufficient for normal applications with a less aggressive fiber material, especially if a plastic is used which is also used for plain bearings.
  • the respective wear edge 21 is crowned in this embodiment.
  • a radius R in a range between 250 mm and 2500 mm is advantageous here.
  • the wear occurs at the beginning of the use of the compressor unit 1 and gradually decreases. The exact adaptation of the compressor unit 1 to the drafting system roller 2 is thus carried out very quickly, without leading to permanent severe wear of the compressor unit 1.
  • the compression unit 1 comprises only the second fiber structure guide 4 with a compression channel 13. In some compression spinning processes, such a compression of the fiber structure 6 is sufficient.
  • the fiber structure guide 4 has an elevation in the form of a wearing edge 21 in relation to the bearing surface 15 . Here, too, the wearing edge 21 will first be removed when the fiber structure guide 4 is used for the first time. A quick sealing of the fiber strand guide 4 against the drafting roller 2 is thus achieved.
  • FIG 5 a front view of a compressor unit 1 for two fiber strands 6 is shown.
  • the respective second fiber structure guide 4 of the two parallel drafting units can be seen.
  • the compression channels 13 are open to the drafting roller 2 .
  • the compressor unit 1 rests with the wear edges 21 and the support elevations 22 on the drafting system roller 2 .
  • the receptacle 9 is arranged between the fiber structure guides 4 and can be used to fasten the holder 8 to the loading element 10 .
  • the holder 8 can also rest on the drafting system roller 2 . Better support of the compressor unit 1 on the drafting system roller 2 can be obtained if only the wear edges 21 and the support elevations 22 or, after running-in, the contact surfaces 15 and 16 rest on the drafting system roller 2 .
  • the surface with which the compressor unit 1 rests on the drafting system roller 2 becomes larger until the bearing surfaces 15 or 16 are in almost complete contact with the drafting system roller 2. Further wear is then minimized since the contact surface with the drafting system roller 2 is as large as possible. Due to the rapid wear of the wear edges 21, a very rapid sealing of the compression channel 13 with respect to the drafting system roller 2 is effected. If the contact surfaces 15 or 16 also wear out, it can be recognized from the reduced depth of the wear indicator 20 that the compressor unit 1 needs to be replaced.
  • both the guide channel 11 and the compression channel 13 can be designed with only one guide surface 11a or 11b or 13a or 13b.

Landscapes

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

Claims (13)

  1. Unité de compactage pour un dispositif d'étirage d'une machine textile, pour compacter un ensemble de fibres (6) dont l'étirage est terminé, dans lequel l'unité de compactage (1) comprend au moins un guide d'ensemble de fibres (3, 4),
    et le guide d'ensemble de fibres (3, 4) présente une surface de guidage (11a, 11b ; 13a, 13b) pour l'ensemble de fibres (6), dans la direction longitudinale de laquelle l'ensemble de fibres (6) peut s'étendre,
    et une surface d'appui (15, 16) disposée sur la surface de guidage (11a, 11b ; 13a, 13b) est prévue pour l'appui de l'unité de compactage (1) sur un cylindre d'étirage (2),
    dans laquelle la surface d'appui (15, 16) du guide d'ensemble de fibres (3, 4) est fabriquée en une matière plastique et
    le guide d'ensemble de fibres (3, 4) présente un bord d'usure (21) sur sa surface d'appui (15, 16) le long de la surface de guidage (11a, 11b ; 13a, 13b),
    caractérisée en ce que
    la surface d'appui (15, 16) du guide d'ensemble de fibres (3, 4) est fabriquée en une matière plastique qui présente des propriétés de palier lisse et
    en ce que le bord d'usure (21) s'abaisse progressivement de la surface de guidage (11a, 11b ; 13a, 13b) vers la surface d'appui (15, 16).
  2. Unité de compactage selon la revendication précédente, caractérisée en ce que le bord d'usure (21) présente une hauteur (H) <= 0,2 mm.
  3. Unité de compactage selon l'une quelconque ou plusieurs des revendications précédentes, caractérisée en ce que le bord d'usure (21) présente une largeur initiale (B) <= 2 mm.
  4. Unité de compactage selon l'une quelconque ou plusieurs des revendications précédentes, caractérisée en ce que l'unité de compactage (1) présente un support (8) sur lequel sont disposés des guides d'ensembles de fibres (3, 4) pour un et/ou deux dispositif (s) d'étirage.
  5. Unité de compactage selon la revendication 4, caractérisée en ce que les guides d'ensembles de fibres (3, 4) sont disposés sur le support (8) de manière à être espacés les uns des autres dans la direction longitudinale et/ou dans la direction transversale des guides d'ensembles de fibres (3, 4).
  6. Unité de compactage selon la revendication 4, caractérisée en ce qu'un premier guide d'ensemble de fibres (3) présente au moins une surface de guidage (11a, 11b) d'un canal de guidage (11) et un deuxième guide d'ensemble de fibres (4) présente au moins une surface de guidage (13a, 13b) d'un canal de compactage (13).
  7. Unité de compactage selon l'une quelconque ou plusieurs des revendications précédentes, caractérisée en ce que la surface d'appui (15, 16) pour l'appui sur le cylindre d'étirage (2) présente un bombage dont le rayon (r) correspond sensiblement au rayon du cylindre d'étirage (2) sur lequel elle doit s'appuyer.
  8. Unité de compactage selon la revendication 4, caractérisée en ce qu'au moins l'un des guides d'ensembles de fibres (3, 4) présente un composant résistant à l'usure en acier ou en céramique, en particulier une broche (12), pour le guidage de l'ensemble de fibres (6).
  9. Unité de compactage selon l'une quelconque ou plusieurs des revendications précédentes, caractérisée en ce qu'une surélévation d'appui (22) est disposée sur la surface d'appui (15, 16) et à distance du bord d'usure (21).
  10. Unité de compactage selon la revendication 9, caractérisée en ce que la surélévation d'appui (22) présente une surface initiale comprise entre 0,05 et 1 mm2.
  11. Unité de compactage selon la revendication 9, caractérisée en ce que la surélévation d'appui (22) s'abaisse, de préférence progressivement, en direction de la surface d'appui (15, 16).
  12. Unité de compactage selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que l'unité de compactage (1) présente au moins un accueil (9) pour un élément de charge pour générer une force d'appui sur les surfaces d'appui (15, 16).
  13. Unité de compactage selon l'une quelconque ou plusieurs des revendications précédentes, caractérisée en ce que l'unité de compactage (1) comporte un indicateur d'usure (20) pour la surface d'appui (15, 16) du guide d'ensemble de fibres (3, 4).
EP20175149.2A 2019-05-22 2020-05-18 Unité de compactage pour un banc d'étirage d'une machine textile Active EP3741888B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019113676.8A DE102019113676A1 (de) 2019-05-22 2019-05-22 Verdichtereinheit für ein Streckwerk einer Textilmaschine

Publications (2)

Publication Number Publication Date
EP3741888A1 EP3741888A1 (fr) 2020-11-25
EP3741888B1 true EP3741888B1 (fr) 2022-12-14

Family

ID=70740481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20175149.2A Active EP3741888B1 (fr) 2019-05-22 2020-05-18 Unité de compactage pour un banc d'étirage d'une machine textile

Country Status (3)

Country Link
EP (1) EP3741888B1 (fr)
CN (1) CN111979618B (fr)
DE (1) DE102019113676A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10356913A1 (de) * 2003-12-02 2005-07-07 Wilhelm Stahlecker Gmbh Streckwerk für Spinnmaschinen
JP4419703B2 (ja) * 2004-06-22 2010-02-24 株式会社豊田自動織機 紡機における繊維束集束装置
DE102007006282A1 (de) * 2007-02-01 2008-08-07 Wilhelm Stahlecker Gmbh Streckwerk mit Verdichtungszone
DE102008057667A1 (de) * 2008-04-24 2009-10-29 Wilhelm Stahlecker Gmbh Verdichtereinheit für ein Streckwerk einer Textilmaschine
DE102008064531A1 (de) * 2008-12-19 2010-07-01 Wilhelm Stahlecker Gmbh Verdichtereinheit und Changiereinrichtung für ein Streckwerk
DE102012025176A1 (de) * 2012-12-24 2014-06-26 Rotorcraft Ag Verdichter
DE102015002206A1 (de) * 2015-02-20 2016-08-25 Rotorcraft Ag Anordnung zum Aufsitzen eines Verdichters auf einem Unterzylinder eines Streckwerks
DE102015104808A1 (de) * 2015-03-27 2016-09-29 Maschinenfabrik Rieter Ag Verdichtereinheit

Also Published As

Publication number Publication date
CN111979618B (zh) 2023-04-11
CN111979618A (zh) 2020-11-24
DE102019113676A1 (de) 2020-11-26
EP3741888A1 (fr) 2020-11-25

Similar Documents

Publication Publication Date Title
EP2300647B1 (fr) Unite de compression pour un banc d&#39;etirage de machine textile
EP2236846B1 (fr) Palier à roulement
EP1953275B1 (fr) Dispositif d&#39;étirage avec zone de condensation de fibres
EP3073000B1 (fr) Compresseur
EP2199439A2 (fr) Unité d&#39;étanchéification et dispositif de changement pour un banc d&#39;étirage
WO2002038842A1 (fr) Dispositif d&#39;un metier a filer destine a comprimer un assemblage de fibres
EP3741888B1 (fr) Unité de compactage pour un banc d&#39;étirage d&#39;une machine textile
DE10325116A1 (de) Gleichlaufdrehgelenk
EP2918710A1 (fr) Garniture de carde et procédé de fabrication d&#39;un non-tissé de fibres discontinues
WO2002042535A1 (fr) Dispositif sur un metier a filer pour la compression d&#39;un ruban de fibres
DE102011108960A1 (de) Gleitschuh für einen Kolben einer hydraulischen Kolbenmaschine
EP1350871A2 (fr) Dispositif d&#39;étirage dans une machine de filature comprenant des moyens de support pour des courroies supportant des fibres
EP2126356A1 (fr) Pompe à haute pression pour transporter du carburant avec un guidage amélioré du piston de pompe
EP1576217A1 (fr) Garniture pour rouleaux de banc d&#39;etirage
DE10154127A1 (de) Vorrichtung an einer Spinnmaschine zum Verdichten eines Faserverbandes
DE102006015825A1 (de) Compactor-Abstützung
EP3521488A1 (fr) Unité de condenseur
DE102018126844A1 (de) Verdichtereinheit
CH697094A5 (de) Streckwerk für Spinnmaschinen.
EP2886688A1 (fr) Empiècement et métier à tisser
EP1631709B1 (fr) Metier continu a filer pourvu de dispositifs de compression
DE102015002206A1 (de) Anordnung zum Aufsitzen eines Verdichters auf einem Unterzylinder eines Streckwerks
DE10249905A1 (de) Garniturring für eine Auflösewalze einer Offenend-Spinnvorrichtung
DE19802463B4 (de) Dichtungsring
EP3666942B1 (fr) Guide condenseur avec trois surfaces de contact, module de rouleau-presseur et banc d&#39;étirage

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210525

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

INTG Intention to grant announced

Effective date: 20220727

INTG Intention to grant announced

Effective date: 20220802

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502020002177

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1537705

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230115

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20221214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230314

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230315

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230414

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230531

Year of fee payment: 4

Ref country code: DE

Payment date: 20230525

Year of fee payment: 4

Ref country code: CH

Payment date: 20230602

Year of fee payment: 4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230414

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20230516

Year of fee payment: 4

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502020002177

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

26N No opposition filed

Effective date: 20230915

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230518

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230518

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230518

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230531

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230531