EP1373613A1 - Automatisches steuersystem zum ausbreiten einer faserbahn aus filamentbündeln - Google Patents

Automatisches steuersystem zum ausbreiten einer faserbahn aus filamentbündeln

Info

Publication number
EP1373613A1
EP1373613A1 EP02706912A EP02706912A EP1373613A1 EP 1373613 A1 EP1373613 A1 EP 1373613A1 EP 02706912 A EP02706912 A EP 02706912A EP 02706912 A EP02706912 A EP 02706912A EP 1373613 A1 EP1373613 A1 EP 1373613A1
Authority
EP
European Patent Office
Prior art keywords
cable
width
cables
individual
adjustment
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.)
Granted
Application number
EP02706912A
Other languages
English (en)
French (fr)
Other versions
EP1373613B1 (de
Inventor
Yvan Baudry
Robert Jean
Jean-Pascal Pirodon
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 SA
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 Messier Bugatti SA filed Critical Messier Bugatti SA
Publication of EP1373613A1 publication Critical patent/EP1373613A1/de
Application granted granted Critical
Publication of EP1373613B1 publication Critical patent/EP1373613B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B65H23/0216—Sensing transverse register of web with an element utilising photoelectric effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/035—Controlling transverse register of web by guide bars
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/18—Separating or spreading
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras

Definitions

  • the present invention relates to the field of needled textile structures and it relates more particularly to an automated management system for spreading cables intended to form these textile structures.
  • the textile web which will be needled and will be used for example for the development of protective parts used at high temperatures, is formed from several cables arranged side by side and each composed of a multitude textile yarns advantageously of the monofilament type.
  • Each cable comes from a device called a rack and exits over a width and at a position which should in principle allow the most uniform distribution possible in the sheet (also called cable veil).
  • the present invention overcomes these drawbacks by proposing an automated device for managing the spreading of a textile sheet formed from a plurality of cables from a cable supply module and intended to supply a drive module. , characterized in that it comprises means for measuring the position of the longitudinal edges of each cable, means for adjusting individually the width of each cable, means for individually adjusting the position of each cable in a direction perpendicular to a direction of advance of the cables, and digital processing means for, from said position measuring means, controlling said means of adjustment, so that said textile sheet has a determined width and position.
  • the means for measuring the position of the longitudinal edges of each cable comprise either a digital camera placed above the textile web or a detector, preferably a linear optical sensor formed by a plurality of emitting diodes arranged opposite a plurality of receiving diodes and between which the cable to be measured will pass.
  • the means for individually adjusting the width of each cable comprise a banana adjustment bar whose pivoting about an axis of rotation under the action of a first jack has the effect of modifying the position of the curvature. from its central part, to act on the width of the cable passing over this adjustment banana bar.
  • the means for individually adjusting the position of each cable in a direction perpendicular to a direction of advance of the cables comprise a second cylinder, acting on a connecting axis to move, by means of a control arm, a swing to support this cable.
  • the first and second cylinders are preferably electrically actuated cylinders actuated directly by said digital processing means.
  • the digital processing means comprise a microcomputer or a programmable automaton which, on the basis of said measurements recorded by said position detectors, controls said first and second actuators for adjusting the width and the position of each cable, so as to ensure regulation the width and the position of said textile sheet with respect to predetermined set values.
  • these predetermined set values include a total width of the sheet Ne, a nominal overlap between cables R1c, R2c, R3c and an individual cable width Le.
  • the set values relating to said total width of the ply and said nominal recoveries are supplied to said digital processing means by an operator, the set value relating to said individual cable width being calculated automatically by said processing means from said instructions provided by the operator.
  • the invention also relates to the process implemented in this automated management device for spreading a textile sheet.
  • FIG. 1 is a schematic side view of an automated device for managing the spreading of a textile sheet according to the invention
  • FIG. 2 is a view along plane II of FIG. 1,
  • FIG. 3 is a view along the plane III of FIG. 1,
  • - Figure 4 is a view along plane IV of Figure 1, and - Figure 5 shows different electronic modules for managing the device according to the invention.
  • FIG. 1 An automated device for managing the spreading of a textile sheet is shown diagrammatically in FIG. 1.
  • This device 10 takes place in a traditional rack between a cable supply module 12 and a drive module for these cables 14.
  • This drive module can also be integrated into a pre-needling module or a spreader / lapper.
  • the supply module 12 which is arranged in an upper plane relative to the drive module, delivers four cables 16a, 16b, 16c, 16d which exit in a direction of advance between the detour bars 120a, 120b, 120c, 120d respectively arranged on four different levels.
  • the drive module 14 for its part comprises a series of pick rollers 140 (also called drive press) which take up and drive the sheet formed from the previous four cables and uniformly distributed by the spreading management device 10 according to the invention.
  • This automated device comprises, mounted between two lateral uprights 100, 102, forming a frame four first support crosspieces 104a, 104b, 104c, 104d, forming a guide rail, arranged on four different levels slightly offset from the four levels of the detour bars , each first support crosspiece carrying a swing (or gantry) 106a, 106b, 106c, 106d movable transversely between these uprights, in a direction perpendicular to the direction of advance of the cables, and intended to support the cable during its crossing of the device.
  • a swing (or gantry) 106a, 106b, 106c, 106d movable transversely between these uprights, in a direction perpendicular to the direction of advance of the cables, and intended to support the cable during its crossing of the device.
  • the fixed centering bar which is substantially aligned with the detour bars is preferably a banana bar, that is to say having a curved shape in its central part.
  • a straight centering bar is also possible.
  • the movable adjustment bar is necessarily a banana bar, its pivoting about its axis of rotation under the action of the first cylinder having the effect of modifying the position of the curvature of its central part which, passing from a shape hollow to a curved shape, will act on the width of the cable passing over this banana bar.
  • a domed position will correspond to a width greater than that corresponding to a hollow position.
  • FIGS 3 and 4 show four second cylinders 118a, 118b, 118c, 118d, preferably electrically operated, acting on an axis 120a, 120b, 120c, 120d connecting with a lower part of the swing by means of a control arm 122a, 122b, 122c, 122d.
  • These second cylinders are advantageously mounted in a 102 of the lateral uprights of the frame.
  • a second fixed centering bar 124a, 124b, 124c, 124d acting as a detour bar to bring the cable down along the swing towards the entrance of the drive module 14.
  • the measurements of the width and the position of each cable in the sheet from which the total width of the sheet will be deducted are provided by four detectors each mounted on a second support cross member 126a, 126b, 126c, 126d, also arranged between the lateral uprights. 100, 102, substantially at the level of the lower part of the swing.
  • Each detector 128a, 128b, 128c, 128d advantageously constituted by an optical linear sensor (preferably an infrared light ramp of width greater than that of an individual cable) formed of a plurality of emitting diodes 130a, 130b, 130c, 130d and receiving diodes 132a, 132b, 132c, 132d arranged facing each other and between which the cable to be measured will pass, is mounted on the second support crosspiece so as to ensure detection at least at the two longitudinal sides of the cable, and preferably over its entire width.
  • these detectors can advantageously be replaced by a single digital camera placed in such a position, above the textile tablecloth, that it can cover in its field of vision the entire width of this tablecloth.
  • a digital processing means preferably a microcomputer or a programmable controller 134, which receives position information from the detectors 128a, 128b, 128c, 128d and, from this information and internal parameters operate the various electrically actuated cylinders 116a, 116b, 116c, 116d; 118a, 118b, 118c, 118d ensuring the movement of the adjustment bars and swings.
  • the parameters taken into account are essentially the speed of advance of the cables which are to form the textile sheet and the distance existing between the detectors and the axis of rotation of the adjustment bars.
  • This computer in fact realizes in real time a regulation with respect to three set values: a desired total ply width (total set width Ne), a nominal overlap between the desired cable (set overlaps R1c, R2c, R3c), and an individual cable width (individual set width Le), so as to obtain a uniform distribution of the textile fibers constituting the sheet.
  • a desired total ply width total set width Ne
  • set overlaps R1c, R2c, R3c
  • individual cable width individual set width Le
  • the operation of the device 10 can be analyzed as follows. It naturally assumes that the cables A, B, C and D, of non-uniform distribution and a priori non-conforming width (generally smaller) are previously extracted from the module 12, then that the sheet N formed in the device is introduced. in module 14 which will ensure its training. These cables each pass successively on the first centering bar 110 then on the associated adjustment bar 112 which, in its initial position, has a position of curvature in accordance with the setpoint commands, and finally on the second centering bar 124. In this initial position, therefore before a continuous training of the sheet, each detector has precise information on the exact position of the cable, with respect to a predetermined fixed reference frame, of which it ensures control.
  • This information is the positions of the two longitudinal edges of the cable, from which the individual width of the cable is deducted. All the information from the four detectors makes it possible to determine an initial value N0 for the total width of the sheet, three initial values (which may be identical) for the different overlaps, R10 for the overlap between the cables A and B, R20 for the overlap between cables B and C, R30 for the overlap between cables C and D, and also four initial values LA0, LB0, LC0, LD0 for the individual widths of the cables. It is from comparison of these initial values and of the subsequent measured values Ni, Ri, Li with the predetermined set values that the regulation will be carried out by the processing means 134.
  • This real-time regulation is carried out according to three successive priority levels, the highest priority being given to obtaining a total width of the sheet in accordance with the set width entered by the operator. For this, it is first carried out an adjustment of the end cables A and D so that their outer edges define the desired width of the sheet Ne. This adjustment relates both to the position of the two swings and the two adjustment bars supporting these two end cables. Secondly, the overlaps are balanced by adjusting the central cables B and C so that their respective edges overlap with each other and with the inner edges of the two end cables substantially similarly and in accordance with the nominal overlaps setpoint R1c, R2c, R3c also entered by the operator. Here again, the adjustment relates both to the position of the two swings and the two adjustment bars supporting these two central cables.
  • the correction of the position of a cable by the movement of the swing has an immediate effect on the position of this cable.
  • the correction of the width of a cable by controlling the rotation of the adjustment bar is carried out with a time offset due to both the distance (offset position) existing between this detector and the bar adjustment 112 and the non-instantaneous spreading of the textile threads forming the cable, hence the need to know (and define as internal parameters) both this distance and the speed of advance of the sheet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Sewing Machines And Sewing (AREA)
  • Looms (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
EP20020706912 2001-03-02 2002-03-01 Automatisches steuersystem zum ausbreiten einer faserbahn aus filamentbündeln Expired - Lifetime EP1373613B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0102867 2001-03-02
FR0102867A FR2821628B1 (fr) 2001-03-02 2001-03-02 Systeme de gestion automatisee de l'etalement d'une nappe textile
PCT/FR2002/000743 WO2002070798A1 (fr) 2001-03-02 2002-03-01 Systeme de gestion automatisee de l'etalement d'une nappe textile

Publications (2)

Publication Number Publication Date
EP1373613A1 true EP1373613A1 (de) 2004-01-02
EP1373613B1 EP1373613B1 (de) 2010-01-13

Family

ID=8860664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020706912 Expired - Lifetime EP1373613B1 (de) 2001-03-02 2002-03-01 Automatisches steuersystem zum ausbreiten einer faserbahn aus filamentbündeln

Country Status (16)

Country Link
US (1) US6687564B2 (de)
EP (1) EP1373613B1 (de)
JP (1) JP4369123B2 (de)
KR (1) KR100787663B1 (de)
CN (1) CN100379913C (de)
AT (1) ATE455197T1 (de)
BR (1) BR0207431B1 (de)
CA (1) CA2439699C (de)
DE (1) DE60235070D1 (de)
FR (1) FR2821628B1 (de)
HU (1) HU228087B1 (de)
IL (1) IL157422A0 (de)
MX (1) MXPA03007823A (de)
RU (1) RU2283382C2 (de)
UA (1) UA74241C2 (de)
WO (1) WO2002070798A1 (de)

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JP3678637B2 (ja) * 2000-09-01 2005-08-03 ユニ・チャーム株式会社 連続フィラメントの開繊方法および開繊装置
DE102007012608B4 (de) * 2007-03-13 2009-12-24 Eads Deutschland Gmbh Verfahren und Vorrichtung zum Herstellen einer Preform für eine kraftflussgerechte Faserverbundstruktur
DE102007012607B4 (de) * 2007-03-13 2009-02-26 Eads Deutschland Gmbh Spreizvorrichtung zum Aufspreizen von Faserfilamentbündeln sowie damit versehene Preform-Herstellvorrichtung
DE102008012255B4 (de) * 2007-03-13 2017-03-16 Airbus Defence and Space GmbH Verfahren zum Herstellen eines textilen Halbzeugs mit kraftflussgerecht verlaufenden Faserfilamenten für eine kraftflussgerechte Faserverbundstruktur
DE102009042384B4 (de) * 2009-09-21 2013-08-08 Liba Maschinenfabrik Gmbh Verfahren und Einrichtung zum Aufbringen einer unidirektionalen Faserlage auf eine sich bewegende Unterstützung und Verfahren zum Herstellen eines Multiaxialgeleges
DE102009056189A1 (de) * 2009-11-27 2011-06-01 Karl Mayer Malimo Textilmaschinenfabrik Gmbh Vorrichtung und Verfahren zum Erzeugen einer UD-Lage
ES2568023T3 (es) 2013-09-02 2016-04-27 Karl Mayer Technische Textilien Gmbh Procedimiento y dispositivo para producir un tejido no tejido
DE102013218102A1 (de) 2013-09-10 2015-03-12 Thermoplast Composite Gmbh Vorrichtung zur verdrillfreien Breitenänderung eines die Vorrichtung durchlaufenden Faserbandes sowie System mit mehreren derartigen Vorrichtungen
DE102014222667A1 (de) * 2014-11-06 2016-05-12 Audi Ag Spreizvorrichtung für Rovings
DE102015010012A1 (de) 2015-07-31 2017-02-02 Airbus Defence and Space GmbH Dynamisches Aufspreizen von Endlosfaserbündeln während eines Herstellungsprozesses
DE102018119368A1 (de) * 2018-08-09 2020-02-13 Audi Ag Vorrichtung und Verfahren zur Herstellung von Faserstacks
US12006180B2 (en) * 2022-01-04 2024-06-11 Charles Fletcher Stewart Apparatus and method for spliting a tow of carbon fiber filaments

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GB1449641A (en) 1973-01-12 1976-09-15 Wira & Mather Method of and apparatus for producing a needled non-woven fabric film projectors
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AT391676B (de) 1988-11-22 1990-11-12 Fehrer Textilmasch Verfahren und vorrichtung zum aufnadeln eines vliesbandes auf eine umlaufende, endlose traegerbahn
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Also Published As

Publication number Publication date
RU2283382C2 (ru) 2006-09-10
US20020123819A1 (en) 2002-09-05
WO2002070798A1 (fr) 2002-09-12
HUP0400100A2 (hu) 2004-04-28
DE60235070D1 (de) 2010-03-04
IL157422A0 (en) 2004-03-28
UA74241C2 (uk) 2005-11-15
EP1373613B1 (de) 2010-01-13
JP4369123B2 (ja) 2009-11-18
CA2439699C (en) 2009-05-19
MXPA03007823A (es) 2004-11-12
RU2003127061A (ru) 2005-02-27
CN1494609A (zh) 2004-05-05
KR100787663B1 (ko) 2007-12-21
CN100379913C (zh) 2008-04-09
HU228087B1 (hu) 2012-10-29
ATE455197T1 (de) 2010-01-15
US6687564B2 (en) 2004-02-03
BR0207431B1 (pt) 2013-11-12
KR20030077648A (ko) 2003-10-01
FR2821628A1 (fr) 2002-09-06
HUP0400100A3 (en) 2008-09-29
WO2002070798A8 (fr) 2004-06-03
FR2821628B1 (fr) 2003-05-16
CA2439699A1 (en) 2002-09-12
BR0207431A (pt) 2004-07-06
JP2004528490A (ja) 2004-09-16

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