EP2339055B1 - Kreisförmige Nadelmaschine wobei einer Faserstoffbahn durch ein Förderband und eine vertikale Rutsche zugeführt wird - Google Patents

Kreisförmige Nadelmaschine wobei einer Faserstoffbahn durch ein Förderband und eine vertikale Rutsche zugeführt wird Download PDF

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Publication number
EP2339055B1
EP2339055B1 EP10195878.3A EP10195878A EP2339055B1 EP 2339055 B1 EP2339055 B1 EP 2339055B1 EP 10195878 A EP10195878 A EP 10195878A EP 2339055 B1 EP2339055 B1 EP 2339055B1
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EP
European Patent Office
Prior art keywords
conveyor
needling
vertical axis
fibrous web
slot
Prior art date
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Active
Application number
EP10195878.3A
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English (en)
French (fr)
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EP2339055A1 (de
Inventor
Vincent Delecroix
Marc Faron
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.)
Safran Landing Systems SAS
Original Assignee
Messier Bugatti Dowty SA
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Publication of EP2339055A1 publication Critical patent/EP2339055A1/de
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles

Definitions

  • the present invention relates to the general field of circular needling machines for producing needled textile structures, and more particularly relates to the automatic supply of fibrous webs of such machines.
  • a fibrous helical fibrous web is placed on a needling table and driven in rotation by drive means most often friction.
  • the feed of this type of machine can be made flat at the needling table from a sheet of stuffing material delivered from a peeling device external to the needling machine.
  • Document is also known WO 02/088449 a needling machine in which the supply of fibrous sheets needling is performed automatically.
  • the needling machine comprises a storage basket disposed above the needling table and containing the fibrous sheet to needling, a set of conical rollers for continuously extracting the sheet from the storage basket and a chute. helical to take the unrolled web of the storage basket and bring it to the needling table at friction drive means.
  • This needling machine however, has the disadvantage that the conical rollers driving the fibrous web cause a sliding of the fibrous web during its unwinding, which results in a deformation of the fibrous web when it arrives on the web. needling table.
  • the main object of the present invention is thus to overcome such disadvantages by proposing a circular needling machine for which the supply of the needling table in fibrous webs takes place automatically and without deformation thereof.
  • a circular needling machine of a textile structure formed from a helical fibrous web comprising a needling table disposed under a helical fiber fibrous web supplying table, and in which according to the invention, the feed table comprises a circular conveyor centered on a vertical axis and on which is intended to be arranged a helical fibrous sheet needle, the conveyor having a radial slot opening under the circular conveyor to unroll in continuous fibrous web disposed on the conveyor, the slot opening under the conveyor to a substantially straight chute which extends vertically between the conveyor and a support plate of the needling table centered on the vertical axis of the conveyor so as to resume the unrolled web of the conveyor and bring it to the needling table, said support plate having means for rotation of the fibrous web around the vertical axis.
  • the needling table further comprises a guide plate centered on the vertical axis and movable vertically with respect to the support plate between a low operating position in which it rests on said support plate and a raised position of clearance in which it is positioned above said support plate.
  • the chute has a portion secured to the feed table and another portion secured to the guide plate of the needling table, these portions being able to translate one inside the other during vertical movements of the guide plate.
  • the means for rotating the fibrous web may comprise two pairs of conical rollers angularly spaced apart from one another and intended to come into contact with the fibrous web brought onto the needling table.
  • the machine may further comprise a conical pressure roller secured to the plate of the needling table and disposed at the outlet of the chute.
  • the feed table may further comprise a roller disposed under the circular conveyor and angularly interposed between the inlet of the slot and the chute so as to allow the recovery of a free end of the unrolled sheet of the conveyor and its guiding towards the chute.
  • Means for evacuating the textile structure from the support plate of the needling table may be provided, these means advantageously comprising a manipulator arm provided with an articulated finger for gripping and evacuating the textile structure.
  • Cutting means of the fibrous web may also be provided.
  • the circular conveyor of the feed table comprises two curved conveyor portions each in the form of a half-disc and which are disposed face to face, the slot being formed by a space left between the two conveyor portions.
  • the figure 1 schematically illustrates a circular needling machine 10 according to the invention.
  • This machine is intended for the needling of a textile structure, or annular preform formed from a fibrous web (or band) helical.
  • the needling machine 10 comprises a table 100 for supplying a fibrous sheet with needling, a needling table 200 placed under the feed table, and a table 300 for removing the needle-punched structure from the table. needling.
  • the needling fibrous web supply table 100 comprises a circular conveyor 102 which is centered on a vertical axis 104 and on which is disposed a fibrous fibrous web 106.
  • the fibrous web is more precisely wound in several layers around a central shaft 108 centered on the vertical axis 104 and is rotated around this axis by the circular conveyor.
  • the circular conveyor 102 of the feed table is more precisely composed of two curved conveyor portions 102a, 102b each in the form of a half-disc and which are arranged opposite one another (the straight edges of these conveyor portions are parallel and face to face).
  • the direction of rotation of these curved conveyor portions is directed so as to cause a complete turn of 360 ° to the fibrous web 106 about the vertical axis 104.
  • each conveying curved portion 102a, 102b therefore makes it possible to perform a 180 ° half-turn to the fibrous web 106.
  • each curved conveyor portion comprises an endless band 110a, 110b stretched around of a fixed cylindrical bar 112a, 112b of horizontal axis which causes it to erase a semicircular trajectory.
  • the curved edge 114a, 114b of this endless band is made integral with an endless chain 116a, 116b (or similar) capable of following a semicircular trajectory.
  • This endless chain is stretched between two pinions 117a, 117b coaxial with the cylindrical bar 112a, 112b, one of these pinions being rotated by a motor 118a, 118b.
  • These motors 118a, 118b are synchronized to control the same speed of rotation to the two endless belts of the curved conveyor portions.
  • the curved portions 102a, 102b of the conveyor are spaced apart from each other so as to arrange between them a radial slot 120 to enable unwinding the fibrous web 106 positioned on the circular conveyor.
  • a plate 122 covers about half of this spacing between the curved conveyor portions.
  • the radial slot 120 opens under the circular conveyor 102 of the supply table to a substantially straight trough 400 which extends vertically between the circular conveyor and the needling table 200.
  • This chute has the function of taking up the sheet 106 which is unrolled from the conveyor and guide vertically on the needling table.
  • the inlet 402 of the chute 400 is slightly angularly offset (in the direction of rotation of the circular conveyor 102) relative to the slot 120.
  • a conical roller 124 is disposed under the circular conveyor 102 which it is secured and angularly interposed between the slot 102 and the inlet 402 of the chute 400. This roller thus makes it possible to take up a free end of the fibrous web 106 unwound from the conveyor and to guide it towards the inlet of the chute.
  • the right chute 400 is in the form of a hollow tubular duct extending vertically from its inlet 402 opening under the circular conveyor 102 to its curve outlet 404 whose contour matches the curvilinear profile of a support plate 202 of the needling table (see figure 4 ). The latter is centered on the vertical axis 104 and receives the fibrous web fed by the chute from the feed table.
  • means for rotating the fibrous web comprise two (or more) pairs of conical rollers which are spaced angularly from one another.
  • Each pair of rollers 204 consists of a conical roll 204a forming a pressure roller in continuous contact with the fibrous web and a conical counter-roller 204b disposed in an opening of the support plate opposite the pressing roller 204a so as to take sandwich the fibrous web.
  • the support plate is perforated so that the counter-rollers 204b come directly into contact with the fibrous web deposited on this plate.
  • the pressure rollers 204a are rotated, for example by means of each of a geared motor unit 206 independent controlled from control means (not shown).
  • the counter-rollers 204b may be freely rotatable or possibly driven. These control means in particular make it possible to synchronize the speeds of rotation of the rollers with one another. Of course, other conventional means of rotation and speed synchronization of the rollers could be envisaged.
  • the needling table also comprises a guide plate 208 in the form of two annular walls 210 centered on the vertical axis 104 and extending vertically from the support plate 202. These vertical walls are interconnected by reinforcements lateral 212 and allow to provide lateral guidance of the fibrous web during its rotation about the vertical axis.
  • this guide plate is vertically movable relative to the support plate 202 between a low operating position in which it rests on said support plate to ensure lateral guidance of the fibrous web 106 (FIG. Figure 5A ) and a raised position in which it is positioned above said support plate ( Figure 5B ).
  • the textile structure 214 formed from the needled fibrous web can be easily discharged onto the discharge table 300 by subsequent detailed evacuation means.
  • the vertical displacement of the guide plate 208 is for example provided by means of a jack 216 whose body 216a is integral with the feed table 100 and the rod 216b is fixed on the guide plate. This jack is actuated by control means (not shown).
  • the guide plate is raised by translating around a bar 218 centered on the vertical axis 104 and fixed to the feed table.
  • the chute 400 has a portion 400a which is integral with the feed table 100 and another portion 400b which is secured to the guide plate 208 of the needling table, these portions 400a, 400b being able to translate one inside the other during movements of the guide plate (in the example of Figures 5A and 5B it is the portion 400b secured to the guide plate which translates inside the portion 400a integral with the feed table during these movements).
  • the guide plate 208 has an angular cutout 219 corresponding to the shape of the needling head (described below) and allowing the guide plate to pass during its vertical displacements.
  • the guide plate 208 further comprises a conical pressure roller 220 which is disposed at the outlet of the trough 400.
  • This pressure roller is more precisely positioned just above the fibrous web when it leaves the trough. so as to properly level the fibrous web before passing under the needling head.
  • the two pairs of rollers 204 for rotating the fibrous web and the pressing roller 220 are preferably angularly spaced from each other by about 120 ° ( figure 4 ). Furthermore, this pressure roller being secured to the guide plate, it is able to move vertically with it.
  • the needling of the fibrous web brought onto the support plate is formed by a needling head 222 comprising a determined number of barbed needles and disposed directly above the support plate between the two pairs of tapered drive rollers 204. in rotation of the tablecloth.
  • this needling head is driven by a vertical reciprocating movement by means of conventional means of displacement 224.
  • the support plate 202 of the needling table is vertically movable under the action of motion transmission means 226 as the needling operation progresses.
  • Cutting means disposed upstream of the needling head are also provided for cutting the web once the predetermined final thickness has been obtained for the textile structure (unrepresented sensors make it possible to precisely control this thickness as and when the superposition of the different layers).
  • these cutting means may comprise a circular knife 228 movable radially along a gantry 230 carried by the guide plate 208, this gantry being disposed angularly after the pressure roller 220 in the direction of rotation of the fibrous web.
  • gantry 230 carried by the guide plate 208
  • this gantry being disposed angularly after the pressure roller 220 in the direction of rotation of the fibrous web.
  • other cutting means can be envisaged.
  • evacuation means illustrated on the figure 6 allow to transfer the textile structure on the discharge table 300 for transfer to another position in the production line as a heat treatment station.
  • these evacuation means comprise a manipulator arm 302 extending radially and provided with an articulated finger 304 for gripping and evacuating the textile structure 214 on a plate 306 of the evacuation table.
  • This evacuation operation requires that the guide plate of the needling table is in its raised position as illustrated by the Figure 5B .
  • central control means are connected to the motors 118a, 118b of the curved conveyor portions of the feed table, to the motion transmission means 226 of the support plate 202 of the table of needling, to the geared motor assemblies 206 of the pairs of tapered rollers 204 driving in rotation of the fibrous web, to the displacement means 224 of the needling head 222, to the cutting means 228, 230 of the fibrous web , and the evacuation means 302, 304 of the textile structure.
  • These central control means make it possible to ensure the control and the synchronization necessary for obtaining a continuous needling process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Finger-Pressure Massage (AREA)
  • Sewing Machines And Sewing (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Machines (AREA)
  • Knitting Of Fabric (AREA)

Claims (10)

  1. Maschine zum Rundnadeln (10) einer aus einer spiralförmigen Faserlage gebildeten Textilstruktur, umfassend einen Nadelungstisch (200), der unter einem Tisch (100) zum Zuführen von zu nadelnder spiralförmiger Faserlage angeordnet ist, dadurch gekennzeichnet, dass der Zuführtisch einen kreisförmigen Bandförderer (102) umfasst, der um eine vertikale Achse (104) zentriert ist und der dazu bestimmt ist, hierauf eine zu nadelnde spiralförmige Faserlage (106) anzuordnen, wobei der Förderer einen radialen Schlitz (120), welcher unter dem Kreisförderer ausmündet, aufweist, um die auf dem Förderer angeordnete Faserlage fortlaufend abzuwickeln, wobei der Schlitz unter dem Förderer in Richtung einer im Wesentlichen geraden Rinne (400) ausmündet, die zwischen dem Förderer und einer Tragplatte (202) des Nadelungstisches, welche um die vertikale Achse des Förderers zentriert ist, vertikal verläuft, um die von dem Förderer abgewickelte Lage aufzunehmen und um sie auf den Nadelungstisch zu führen, wobei die Tragplatte Mittel (204, 206) zum Drehantreiben der Faserlage um die vertikale Achse herum aufweist.
  2. Maschine nach Anspruch 1, wobei der Nadelungstisch (200) ferner eine Führungsplatte (208) umfasst, die um die vertikale Achse zentriert ist und gegenüber der Tragplatte (202) zwischen einer unteren Betriebsstellung, in der sie auf der Tragplatte aufliegt, und einer angehobenen Freigabestellung, in der sie oberhalb der Tragplatte positioniert ist, vertikal beweglich ist.
  3. Maschine nach Anspruch 2, wobei die Rinne (400) einen Abschnitt (400a), der mit dem Zuführtisch (100) fest verbunden ist, und einen weiteren Abschnitt (400b), der mit der Führungsplatte (208) des Nadelungstisches fest verbunden ist, aufweist, wobei diese Abschnitte geeignet sind, sich während der Vertikalbewegungen der Führungsplatte ineinander zu verschieben.
  4. Maschine nach einem der Ansprüche 1 bis 3, wobei die Mittel zum Drehantreiben der Faserlage zwei Paare von konischen Rollen (204) umfassen, die voneinander winkelig beabstandet und dazu bestimmt sind, mit der auf den Nadelungstisch geführten Faserlage in Kontakt zu gelangen.
  5. Maschine nach einem der Ansprüche 1 bis 4, ferner umfassend eine konische Andrückrolle (220), die mit der Führungsplatte (208) des Nadelungstisches fest verbunden und am Ausgang der Rinne (400) angeordnet ist.
  6. Maschine nach einem der Ansprüche 1 bis 5, wobei der Zuführtisch (100) ferner eine Rolle (124) umfasst, die unter dem Kreisförderer (102) angeordnet und zwischen dem Schlitz (120) und dem Eingang (402) der Rinne winkelig eingefügt ist, um das Aufnehmen eines freien Endes der von dem Förderer abgewickelten Lage und dessen Führen zu der Rinne zu ermöglichen.
  7. Maschine nach einem der Ansprüche 1 bis 6, ferner umfassend Mittel zum Abführen der Textilstruktur (214) aus der Tragplatte (202) des Nadelungstisches.
  8. Maschine nach Anspruch 7, wobei die Mittel zum Abführen der Textilstruktur einen Manipulatorarm (302) umfassen, der mit einem Gelenkfinger (304) versehen ist, um die Textilstruktur (214) zu erfassen und abzuführen.
  9. Maschine nach einem der Ansprüche 1 bis 8, wobei der Nadelungstisch (200) ferner Mittel (228, 230) zum Zuschneiden der Faserlage umfasst.
  10. Maschine nach einem der Ansprüche 1 bis 9, wobei der Kreisförderer des Zuführtisches (100) zwei gekrümmte Fördererabschnitte (102a, 102b) umfasst, die jeweils halbscheibenförmig und einander gegenüber angeordnet sind, wobei der Schlitz durch einen zwischen den beiden Fördererabschnitten freigelassenen Raum gebildet ist.
EP10195878.3A 2009-12-22 2010-12-20 Kreisförmige Nadelmaschine wobei einer Faserstoffbahn durch ein Förderband und eine vertikale Rutsche zugeführt wird Active EP2339055B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0959406A FR2954357B1 (fr) 2009-12-22 2009-12-22 Machine d'aiguilletage circulaire a alimentation en nappe fibreuse par un convoyeur et une goulotte verticale

Publications (2)

Publication Number Publication Date
EP2339055A1 EP2339055A1 (de) 2011-06-29
EP2339055B1 true EP2339055B1 (de) 2013-12-18

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EP10195878.3A Active EP2339055B1 (de) 2009-12-22 2010-12-20 Kreisförmige Nadelmaschine wobei einer Faserstoffbahn durch ein Förderband und eine vertikale Rutsche zugeführt wird

Country Status (11)

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US (1) US8375536B2 (de)
EP (1) EP2339055B1 (de)
JP (1) JP5792456B2 (de)
KR (1) KR20110073260A (de)
CN (1) CN102115956B (de)
BR (1) BRPI1010374A2 (de)
CA (1) CA2725352A1 (de)
FR (1) FR2954357B1 (de)
MX (1) MX2010014048A (de)
RU (1) RU2010151861A (de)
TW (1) TW201135000A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110275266A1 (en) 2010-05-05 2011-11-10 Goodrich Corporation System and method for textile positioning
FR3007043B1 (fr) 2013-06-13 2015-07-03 Messier Bugatti Dowty Dispositif d'entrainement par aiguilles d'une nappe fibreuse helicoidale a aiguilleter
FR3007428B1 (fr) * 2013-06-20 2015-10-16 Messier Bugatti Dowty Table et procede d'aiguilletage d'une structure textile formee a partir d'une preforme fibreuse annulaire avec decalage radial de la tete d'aiguilletage
US10406798B2 (en) 2014-03-31 2019-09-10 Goodrich Corporation Method to transport and lay down dry fiber bundles
US9719199B2 (en) 2014-05-23 2017-08-01 Goodrich Corporation System and method for transport of fibers to/from a circular needle-punching loom
US9644296B2 (en) 2014-11-03 2017-05-09 Goodrich Corporation System and method for manufacturing net shape preform from textile strips
FR3070696B1 (fr) * 2017-09-01 2019-09-13 Safran Landing Systems Procede de formation par aiguilletage d'une preforme textile annulaire a partir d'une nappe fibreuse helicoidale et machine pour la mise en oeuvre d'un tel procede
FR3070695B1 (fr) 2017-09-01 2019-09-13 Safran Landing Systems Outillage de guidage pour table d'aiguilletage circulaire d'une structure textile formee a partir d'une nappe fibreuse helicoidale
FR3072693B1 (fr) * 2017-10-20 2020-11-06 Safran Landing Systems Procede et machine a regulation d'alimentation pour l'aiguilletage circulaire d'une structure textile formee a partir d'une nappe fibreuse helicoidale
CN113969466A (zh) * 2021-10-29 2022-01-25 西安美兰德新材料有限责任公司 一种用于加工埚托预制体的专用针刺机
CN116714271B (zh) * 2023-08-11 2023-11-21 山东鲁嘉机械科技有限责任公司 一种泡沫板针刺机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741634B1 (fr) * 1995-11-27 1998-04-17 Europ Propulsion Procede pour la realisation de preformes fibreuses destinees a la fabrication de pieces annulaires en materiau composite
US6248417B1 (en) * 1997-09-08 2001-06-19 Cytec Technology Corp. Needled near netshape carbon preforms having polar woven substrates and methods of producing same
FR2824084B1 (fr) * 2001-04-30 2003-08-01 Messier Bugatti Alimentation aiguilleteuse par bande spirale continue
FR2824085B1 (fr) * 2001-04-30 2003-08-01 Messier Bugatti Machine d'aiguilletage circulaire munie d'un dispositif d'evacuation automatique de preformes
FR2839985B1 (fr) * 2002-05-23 2004-08-20 Messier Bugatti Procede et installation pour la fabrication de preformes fibreuses annulaires
FR2869330B1 (fr) * 2004-04-23 2006-07-21 Messier Bugatti Sa Procede de fabrication de nappe fibreuse bidimensionnelle helicoidale
FR2892428B1 (fr) * 2005-10-24 2008-02-08 Messier Bugatti Sa Fabrication de structures annulaires fibreuses tridimensionnelles

Also Published As

Publication number Publication date
EP2339055A1 (de) 2011-06-29
RU2010151861A (ru) 2012-06-27
US20110154628A1 (en) 2011-06-30
CN102115956B (zh) 2014-12-24
KR20110073260A (ko) 2011-06-29
US8375536B2 (en) 2013-02-19
FR2954357A1 (fr) 2011-06-24
CN102115956A (zh) 2011-07-06
JP5792456B2 (ja) 2015-10-14
CA2725352A1 (en) 2011-06-22
TW201135000A (en) 2011-10-16
BRPI1010374A2 (pt) 2016-09-06
MX2010014048A (es) 2011-06-24
FR2954357B1 (fr) 2012-03-23
JP2011132655A (ja) 2011-07-07

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