EP3094771B1 - Métier à tresser, en particulier métier pour tressage radial ou métier pour tressage en spirale - Google Patents

Métier à tresser, en particulier métier pour tressage radial ou métier pour tressage en spirale Download PDF

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Publication number
EP3094771B1
EP3094771B1 EP14816177.1A EP14816177A EP3094771B1 EP 3094771 B1 EP3094771 B1 EP 3094771B1 EP 14816177 A EP14816177 A EP 14816177A EP 3094771 B1 EP3094771 B1 EP 3094771B1
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EP
European Patent Office
Prior art keywords
horn gear
positioning module
braiding machine
horn
yarns
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Active
Application number
EP14816177.1A
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German (de)
English (en)
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EP3094771A1 (fr
Inventor
Holger Ahlborn
Tjark von Reden
Christoph Schroll
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Universitaet Stuttgart
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Universitaet Stuttgart
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00—Braiding or lacing machines
    • D04C3/48—Auxiliary devices
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00—Braiding or lacing machines
    • D04C3/40—Braiding or lacing machines for making tubular braids by circulating strand supplies around braiding centre at equal distances

Definitions

  • the invention relates to a braiding machine, in particular a radial or standard braiding machine for the production of tubular or flat braids, with a first impeller level, are provided in the drivable and mutually motion-coupled impellers for guiding yarn-carrying bobbins, wherein the yarns are intertwined in a braiding center ,
  • the invention also relates to a positioning module for such braiding machines.
  • Braiding machines of the type mentioned are offered for example by the company August Herzog Maschinenfabrik GmbH & Co. KG, 26127 Oldenburg under the name “spiral braiding machine type SP” or “Radialflechtertype RF” (www.herzog-online.com).
  • the most common braiding machine is the so-called standard braiding machine or spiral braiding machine. This is characterized by the fact that the clappers rotate axially parallel on a flat vane wheel track. Ropes are manufactured in particular with such machines. From this technique, the radial machine developed; the bobbin axis was tilted from axial to radial, which brings certain advantages in the production of tubular carbon or fiberglass braids with it. These braids are used for the production of fiber-reinforced plastics, whereby the braids are embedded in a plastic matrix. Tubular or hollow fiber-reinforced plastics are used in particular in aerospace technology, in vehicle construction or in mechanical engineering use and replace increasingly metallic components or components. More braiding machines are out DE 30 35 214 A1 . DE 10 2006 013770 A1 and the US 1 801 134 A known.
  • the present invention is based on the object of further developing a braiding machine mentioned at the outset in such a way that the position of individual yarns can be determined.
  • a braiding machine with the features of claim 1.
  • Such a braiding machine thus provides that a positioning module is arranged between the first vane wheel level and the braiding center, which has yarn guide elements for guiding the individual yarns and for locating them during the braiding operation.
  • the provision of such a positioning module ensures a predictable position of each yarn near the center; It is therefore possible to determine the respective position of individual yarns.
  • the yarns can then be manipulated accordingly in a further step, described below.
  • the positioning module forms a second pogelradebene through which the individual yarns are passed.
  • the positioning module has, in particular, impeller units that can be driven synchronously in synchronism with the impeller wheels of the first impeller level, wherein the impeller units are provided for guiding the yarn guiding elements, via which the yarns coming from the clusters can be guided through the positioning module to the center of weaving.
  • the positioning module can be arranged in the plane of the first impeller level (in particular in radial braiding machines) or parallel thereto (in particular in spiral braiding machines).
  • the impeller units of the positioning module move synchronously with the impeller wheels of the first impeller level, or form their movement in the radially inner second impeller level.
  • About the Garn Entrys comprise the individual, coming from the bobbins yarns can be passed through the second pogelradebene and directed to the center of braiding the braiding machine.
  • the positioning module or the second impeller level is as close as possible to the center of the braiding machine, with yarn manipulation still having to be possible.
  • the individual impeller units can each have a guide section for the yarn guide elements, a rotary coupling section for rotational coupling with adjacent impeller units and / or a storage section for axial and / or radial guidance of the impeller unit in the second impeller plane.
  • the individual sections can be arranged behind one another and / or next to one another, in particular along an axis extending toward the center of the braiding, that is to say in particular along the respective axial central longitudinal axes of the individual impeller units.
  • the yarn guide element may in particular comprise a sleeve-like base body which is guided by the guide sections.
  • the rotary coupling sections and / or the storage sections thereby provide recesses for the sleeve-like basic body. This can ensure that the sleeve-like body is passed from a viagelradiser to the next diegelradiser, in the recesses of the rotary coupling sections and / or the storage sections.
  • the rotary coupling sections have teeth and tooth spaces lying between the teeth.
  • at least one tooth space is provided, which forms the recess for the sleeve-like base body.
  • the teeth, gullets and the Recesses are arranged so that the adjacent rotary coupling sections are always rotationally coupled, so that a forced rotational coupling is ensured.
  • the rotary coupling sections each have two gear levels with teeth and tooth gaps such that in each rotational position of the coperadiseren at least one gear level of a coperadiser with a gear level of an adjacent rempligelradiser is engaged. This also ensures that a rotary coupling is always ensured in each rotational position of the individual rempligelradiseren with adjacent rempligelradiseren.
  • the tooth gaps can be of different sizes, wherein the recesses for the sleeve-like base body forming tooth gaps are larger than the tooth gaps, which do not form recesses for the sleeve-like body.
  • the smaller tooth gaps thus serve for rotational coupling with teeth of adjacent diegelradäen; the large tooth gaps serve to accommodate the main body of the yarn guide element.
  • the guide sections of the individual impeller units may comprise an annular collar, preferably two parallel annular collars, which have or complementary to the sleeve-like body formed Mit SpotifyausEnglishept.
  • the driving recesses can be formed by correspondingly circular, radially outwardly open recesses.
  • the storage sections may in particular be disc-like, and preferably designed like a cross-disk and have raised elevations in the axial direction.
  • the system surveys can form the axial guidance of the individual impeller units.
  • the system surveys preferably act against guide sections of the second impeller level, so that the individual impeller units are secured in their axial position.
  • the radially outer end faces of the bearing sections against Guide sections of the second diegelradebene act.
  • drive rods extending in the radial direction in the braiding machine can be provided between the impellers and the impeller units.
  • the impeller units of the positioning module are driven by a drive which is actuated in synchronism with the motion of the impeller wheels of the first impeller level. This also makes it possible to provide motion synchronization between the impeller units of the positioning module and the impeller wheels of the first impeller level.
  • a Manipulierillon is provided for the manipulation of individual yarns.
  • the manipulating unit can be designed such that individual yarns can be cut off, that additional yarns or threads can be added to existing yarns, that individual yarns are coated and / or that individual yarns can be exchanged.
  • the attachment can be done in particular by gluing.
  • the attachment can be made to an existing yarn or to an additional, in particular thin support thread. It is also conceivable additional elements, even in the form of decorative elements such as special trained threads or rhinestones or the like. to install.
  • the manipulating unit may be provided on the positioning module or as a separately formed unit.
  • hose-like fiber braids having different cross-sections along their longitudinal axis can be produced by omitting and / or adding further yarns.
  • the object mentioned is also by a positioning module for Arrangement in a braiding machine according to claim 17 solved.
  • a positioning module can, for example, subsequently be used in an existing braiding machine.
  • the positioning module may comprise a manipulating unit with which, in particular, individual yarns can be manipulated.
  • the manipulating unit can also be designed as a separate unit.
  • the positioning module can furthermore have all the features and properties relating to the positioning module described above, individually or in any desired combination with one another.
  • FIG. 1 a systematic representation of a radial braiding machine 10 is shown, which has a first impeller level 12, are provided in the drivable and mutually motion-coupled impellers 14.
  • a first impeller level 12 are provided in the drivable and mutually motion-coupled impellers 14.
  • yarn-carrying bobbins 16 are moved along a predetermined trajectory.
  • the individual yarns 18 extend from the bobbins 16 radially inwards toward the center of braiding 20 of the radial braiding machine 10 in which a tubular fiber braid is braided from the individual yarns 18.
  • FIG. 1 only a total of four impellers 14 are shown; in a radial braiding machine 10 are 21 over the entire inner circumference the first impeller level 12 impellers 14 are arranged, whose central longitudinal axes 25 are directed towards the center 20 of the radial braiding machine.
  • the individual bobbins 16 are thereby along a path which consists of juxtaposed semi-circles (corresponding to the track 62 in FIG. 5 ), pass from one impeller 14 to the adjacent impeller 14.
  • the in the FIG. 1 shown radial braiding machine 10 has a positioning module 22 which forms a second, radially inner pogelradebene 23.
  • the second impeller level 23 is arranged in the radially inner region of the radial braiding machine 10 close to the center 20.
  • the positioning module 22 and the rempligelradebene 23 has coperadäen 24, which are driven in synchronism with the impellers 14 of the first impeller level.
  • the number of impeller units 24 corresponds to the number of impellers 14. Each impeller 14 is thus associated with a radially inner impeller unit 24.
  • the impeller units 24 serve to guide yarn guide elements 26, wherein the number of yarn guide elements 26 corresponds to the number of clappers 16.
  • the individual yarns 18 coming from the individual bobbins 16 are consequently guided side by side radially inward toward the second vane wheel plane 23, or passed through the positioning elements 22 via the yarn guide elements 26, toward the center 20 of the radial braiding machine 10.
  • the actual braiding process takes place in the area between the center 20 and the positioning module 22; the individual yarns 18 run in the area between the second impeller level 23 and the first impeller level 12 side by side, and not cross.
  • the movement of the individual clapper 16 is thus imaged by the yarn guide elements 26 in the radially inner second impeller level 23.
  • the Indian FIG. 2 shown section II FIG. 1 of the positioning module 22 shows a total of four side-by-side, cut-free impeller units 24.
  • the impeller units 24 each comprise at least one guide section 28, at least one Rotary coupling portion 30 and at least one bearing portion 32.
  • the diegelradiseren 24 each rotate about its central longitudinal axis 25, wherein the respective adjacent rempligelradiseren 24 are driven in the opposite direction of rotation.
  • the guide section 28 is formed by two circumferential annular collars 34.
  • each axially überander Mit Spotifyausappelgeber 36 are provided which serve to receive the Garn Operationsselements 26.
  • the provided on the annular collars 34 Mit SpotifyausEnglishungen 36 are formed complementary to the outer contour of the Garn Resultsselements 26;
  • the driving recesses are formed on the side facing away from the respective central longitudinal axis edge-open, so that the Garn exits institute 26 can get into the Mit Spotifyausappellus.
  • a yarn guide element 26 can be seen, which is arranged between the two middle impeller units 24.
  • a yarn 18 is passed through the second impeller plane 23.
  • the entrainment recesses 36 serve to receive and guide the yarn guide elements 26.
  • the respective yarn guide element 26 along with the yarn in the guide section 28 or in the driving receptacles 36 is consequently taken along.
  • the individual impeller units 24 are coupled to one another via the rotary coupling sections 30.
  • the motion coupling is largely free of play.
  • the individual rotary coupling sections 36 in each case provide two superimposed toothed wheels 38, 40.
  • the two gears 38, 40 In the axial extension of the driving recesses 36, which is indicated by the line 42, the two gears 38, 40 on an enlarged tooth gap, which forms a recess 44 for the yarn guide element 36.
  • the respective storage section 32 of the individual impeller units 24 is formed by stacked cross-discs 46, 48, wherein the cross-discs 48 each have a raised in the axial direction Investigation 50 have.
  • the abutment 50 bears against a guide surface 52 arranged on the positioning module 22 in order to secure the respective impeller unit 24 in the axial direction.
  • the cross wheels 46 abut in the radial direction on corresponding guide surfaces 54 in order to secure the individual impeller units 24 in the radial direction.
  • the cross-pulleys 46, 48 also have recesses 44 which are provided along the line 42, ie where the yarn guide element 26 can come into engagement.
  • the yarn guide element 26 is shown as a single part. It is clear that the yarn guide element 26 has a sleeve-like base body 56, on which a guide portion 58 is provided.
  • the guide sections 58 act in operation with in FIG. 2 and FIG. 5 shown point elements 60 together.
  • the switch elements 60 are pretensioned accordingly by means of springs, not shown, so that it is ensured that the yarn guide elements 26 are passed on to an adjacent impeller unit 24 by cooperation of the guide sections 58 with the switch elements 60.
  • each toothed wheel 38, 40 has a total of four enlarged tooth gaps, which form the recesses 44 for receiving the yarn guide element 26. Nevertheless, the respective recess 44 delimiting teeth 64 are also in engagement when the yarn guide element 26, as in the FIG. 6 , Center, shown between two impeller units 24. In this respect, in each rotational position of the diegelradiseren 24 at least one gear 38, 40 with a gear 38, 40 of an adjacent rempligelradillon 24 in the rotationally coupled engagement.
  • the impeller units 24 may be mechanically connected, for example via drive rods, to the impellers 14 of the first impeller level 12 so as to ensure rotational coupling between the impellers 14 of the first impeller level 12 and the impeller units 24 of the positioning module 22.
  • the impeller units 24 are driven synchronously in synchronism with the impellers 14 of the first impeller level 12 via a movement-synchronous activation of a drive motor.
  • the movement of the impeller units 24 has to be made equal to the movement of the impeller wheels 14 located farther radially outward, so that the individual yarns 18 which are located between the first impeller level 12 and the second impeller level 23 side by side, substantially parallel and not crossed.
  • a manipulating unit (not shown in the figures) is provided on the positioning module 22, with which individual yarns 18 can be manipulated in the area between the second impeller level 23 and the center 20.
  • the manipulating unit is particularly designed so that individual yarns 18 can be cut off, that additional yarns or threads can be added to existing yarns 18, that individual yarns 18 are coated and / or that individual yarns 18 can be exchanged. alternative for sticking to other yarns, it is conceivable that very thin support threads are present, to which the cut yarns are attached, and thus are incorporated into the braid.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Claims (17)

  1. Métier à tresser (10), en particulier métier pour tressage radial ou métier pour tressage en spirale, pour fabriquer des tresses tubulaires ou plates, comprenant un premier niveau de roues à ailettes (12) dans lequel des roues à ailettes (14) entraînables et accouplées en mouvement les unes avec les autres sont prévues pour le guidage de fuseaux (16) portant des fils, les fils étant entrelacés les uns avec les autres dans un centre de tressage (20), caractérisé par le fait qu'entre le premier niveau de roues à ailettes (12) et le centre de tressage est disposé un module de positionnement (22) qui forme un deuxième niveau de roues à ailettes (23) et qui présente des unités de roues à ailettes (24), les fils individuels passant à travers ledit module de positionnement (22), dans lequel le module de positionnement (22) comprend des éléments de guidage de fils (26) destinés à guider les fils (18) individuels et à localiser ceux-ci durant l'opération de tressage.
  2. Métier à tresser (10) selon la revendication 1, caractérisé par le fait que ledit module de positionnement (22) présente des unités de roues à ailettes (24) qui peuvent être entraînées de manière synchrone en mouvement avec les roues à ailettes (14) du premier niveau de roues à ailettes (12), dans lequel les unités de roues à ailettes (24) sont prévues pour le guidage des éléments de guidage de fils (26) par l'intermédiaire desquels les fils (18) provenant des fuseaux (16) peuvent être menés à travers le module de positionnement (22) vers le centre de tressage.
  3. Métier à tresser (10) selon la revendication 2, caractérisé par le fait que les unités de roues à ailettes (24) présentent chacune au moins une portion de guidage (28) pour les éléments de guidage de fils, une portion d'accouplement en rotation (30) pour l'accouplement en rotation avec des unités voisines de roues à ailettes et/ou une portion de support (32) pour le guidage axial et/ou radial des unités de roues à ailettes (24).
  4. Métier à tresser (10) selon la revendication 2 ou 3, caractérisé par le fait que les éléments de guidage de fils (26) présentent un corps de base (56) de type douille qui est guidé en mouvement par les portions de guidage (28), et que les portions d'accouplement en rotation (30) et/ou les portions de support (32) présentent des évidements (44) pour ledit corps de base (56) de type douille.
  5. Métier à tresser (10) selon la revendication 3 ou 4, caractérisé par le fait que les portions d'accouplement en rotation (30) d'unités de roues à ailettes (24) voisines sont conçues de telle manière qu'un accouplement en mouvement est présent également lorsque ledit élément de guidage de fils (26) se trouve entre les unités de roues à ailettes (24) voisines.
  6. Métier à tresser (10) selon la revendication 4, caractérisé par le fait que les portions d'accouplement en rotation (30) comprennent des dents et des entredents situés entre les dents, les entredents formant les évidements (44) pour le corps de base (56) de type douille.
  7. Métier à tresser (10) selon la revendication 6, caractérisé par le fait que les portions d'accouplement en rotation (30) présentent chacune au moins un niveau de roues dentées (38, 40) à dents et entredents de telle sorte que, dans toute position de rotation des unités de roues à ailettes (24), au moins un niveau de roues dentées (38, 40) d'une unité de roues à ailettes (24) est en prise avec un niveau de roues dentées (38, 40) d'une unité de roues à ailettes (24) voisine.
  8. Métier à tresser (10) selon la revendication 6 ou 7, caractérisé par le fait que les entredents présentent des tailles différentes, les entredents formant les évidements (44) pour le corps de base (56) de type douille étant plus grands que les entredents qui ne forment pas d'évidements pour le corps de base (56) de type douille.
  9. Métier à tresser (10) selon l'une quelconque des revendications 3 et 4, caractérisé par le fait que les portions de guidage (28) comprennent au moins un collet annulaire (34) qui présente des évidements d'entraînement (36) réalisés de façon complémentaire au corps de base (56) de type douille.
  10. Métier à tresser (10) selon l'une quelconque des revendications 3 et 4, caractérisé par le fait que les portions de support (32) sont réalisées à la manière de disques et présentent des saillies d'appui (50) en relief dans la direction axiale.
  11. Métier à tresser (10) selon l'une quelconque des revendications 2 à 10, caractérisé par le fait que les unités de roues à ailettes (24) du module de positionnement (22) sont entraînées via des tiges d'entraînement par les roues à ailettes (14) du premier niveau de roues à ailettes (12) de sorte qu'il y a un accouplement en rotation entre les roues à ailettes (14) du premier niveau de roues à ailettes (12) et les unités de roues à ailettes (24) du module de positionnement (22).
  12. Métier à tresser (10) selon l'une quelconque des revendications 2 à 11, caractérisé par le fait que les unités de roues à ailettes (24) du module de positionnement (22) peuvent être entraînées par un entraînement de telle sorte qu'elles se déplacent de manière synchrone en mouvement par rapport aux roues à ailettes (14) du premier niveau de roues à ailettes (12).
  13. Métier à tresser (10) selon l'une quelconque des revendications 2 à 12, caractérisé par le fait qu'un élément d'aiguillage (60) destiné à dévier l'élément de guidage de fils (26) d'une unité de roues à ailettes (24) à l'unité de roues à ailettes (24) voisine est prévu entre deux unités de roues à ailettes (24).
  14. Métier à tresser (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que le module de positionnement (22) comprend une unité de manipulation ou qu'une unité de manipulation est disposée sur le module de positionnement (22) de sorte que, au moyen de l'unité de manipulation, des fils (18) individuels peuvent être coupés, que des fils supplémentaires peuvent être joints à des fils (18) existants, que des fils (18) individuels peuvent être revêtus et/ou que des fils (18) individuels peuvent être échangés.
  15. Module de positionnement (22) destiné à être disposé entre un premier niveau de roues à ailettes (12) et un centre de tressage (10) d'un métier à tresser (10) pour fabriquer des tresses tubulaires ou plates, comprenant un premier niveau de roues à ailettes (12) dans lequel des roues à ailettes (14) entraînables et accouplées en mouvement les unes avec les autres sont prévues pour le guidage de fuseaux (16) portant des fils, les fils étant entrelacés les uns avec les autres dans un centre de tressage (20), dans lequel le module de positionnement (22) présente des unités de roues à ailettes (24) et forme ainsi, lorsqu'il est disposé dans un métier à tresser (10), un deuxième niveau de roues à ailettes (23), et comprend des éléments de guidage de fils (26) destinés à guider les fils (18) individuels et à localiser ceux-ci durant l'opération de tressage.
  16. Module de positionnement (22) selon la revendication 15, caractérisé par le fait que le module de positionnement forme un deuxième niveau intérieur de roues à ailettes (23) qui présente des unités de roues à ailettes (24) aptes à être entraînées de manière synchrone en mouvement avec les roues à ailettes (14) du premier niveau de roues à ailettes (12), dans lequel les unités de roues à ailettes (24) sont prévues pour le guidage des éléments de guidage de fils (26) par l'intermédiaire desquels les fils (18) provenant des fuseaux (16) peuvent être menés à travers le deuxième niveau de roues à ailettes (23).
  17. Module de positionnement (22) selon la revendication 15 ou 16, caractérisé par le fait que le module de positionnement (22) comprend une unité de manipulation ou qu'une unité de manipulation est disposée sur le module de positionnement (22), dans lequel, au moyen de l'unité de manipulation, des fils (18) individuels peuvent être coupés, des fils supplémentaires peuvent être joints à des fils (18) existants, des fils (18) individuels peuvent être revêtus et/ou des fils (18) individuels peuvent être échangés.
EP14816177.1A 2014-01-15 2014-12-10 Métier à tresser, en particulier métier pour tressage radial ou métier pour tressage en spirale Active EP3094771B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014200580.9A DE102014200580B3 (de) 2014-01-15 2014-01-15 Flechtmaschine, insbesondere Radial- oder Spiralflechtmaschine
PCT/EP2014/077206 WO2015106889A1 (fr) 2014-01-15 2014-12-10 Métier à tresser, en particulier métier pour tressage radial ou métier pour tressage en spirale

Publications (2)

Publication Number Publication Date
EP3094771A1 EP3094771A1 (fr) 2016-11-23
EP3094771B1 true EP3094771B1 (fr) 2017-10-04

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EP14816177.1A Active EP3094771B1 (fr) 2014-01-15 2014-12-10 Métier à tresser, en particulier métier pour tressage radial ou métier pour tressage en spirale

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EP (1) EP3094771B1 (fr)
DE (1) DE102014200580B3 (fr)
WO (1) WO2015106889A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1409298A (en) * 1917-06-01 1922-03-14 Horn Guido Braiding machine
US1801134A (en) * 1929-11-05 1931-04-14 Fidelity Machine Co Braiding machine
DE3035214A1 (de) * 1980-09-18 1982-04-08 Bremer Tauwerk-Fabrik GmbH, 2820 Bremen Seil bzw. tau sowie verfahren und vorrichtung zum herstellen desselben
DE19807773A1 (de) * 1998-02-24 1999-08-26 Herzog Maschf A Spulenträger einer Flechtmaschine
DE102006013770A1 (de) * 2006-03-24 2007-09-27 Occlutech Gmbh Occlusionsinstrument und Verfahren zu dessen Herstellung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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WO2015106889A1 (fr) 2015-07-23
EP3094771A1 (fr) 2016-11-23
DE102014200580B3 (de) 2015-07-16

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