EP1068385B1 - Procede et dispositif permettant de realiser des coutures - Google Patents

Procede et dispositif permettant de realiser des coutures Download PDF

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Publication number
EP1068385B1
EP1068385B1 EP99919103A EP99919103A EP1068385B1 EP 1068385 B1 EP1068385 B1 EP 1068385B1 EP 99919103 A EP99919103 A EP 99919103A EP 99919103 A EP99919103 A EP 99919103A EP 1068385 B1 EP1068385 B1 EP 1068385B1
Authority
EP
European Patent Office
Prior art keywords
stitch
textile
sewing
generating functional
functional parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99919103A
Other languages
German (de)
English (en)
Other versions
EP1068385A1 (fr
Inventor
Klaus-Uwe Moll
Burkhard Wulfhorst
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1068385A1 publication Critical patent/EP1068385A1/fr
Application granted granted Critical
Publication of EP1068385B1 publication Critical patent/EP1068385B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines
    • D04B23/10—Flat warp knitting machines for knitting through thread, fleece, or fabric layers, or around elongated core material
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
    • D05B1/10—Double chain-stitch seams
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/24—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making blind-stitch seams
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B23/00—Sewing apparatus or machines not otherwise provided for
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/02—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing with mechanisms for needle-bar movement
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs

Definitions

  • the invention relates to a method for producing sewing seams and comprises Device for performing the method.
  • the sewing seam consists of two or more threads, and it is formed by looping a thread through it the loop of another thread is passed.
  • the invention further comprises a sewing machine with at least two needles, with all moving parts of the sewing machine on only one side of the material are attached, as well as a special sewing material holder.
  • the invention comprises a control.
  • a process mistakenly publicly called a sewing process is referred to, introduces a thread loop into the textile by means of a hollow needle.
  • the thread loop is inserted from the top. she
  • the textile does not penetrate completely and is not included on the underside devouring itself or another thread.
  • the seam is made therefore not a real connection, since the individual layers of the textile are separated by the produced loop series cannot be secured against separation.
  • a sewing machine for sewing is more complex from US Pat. No. 4,503,788 Aircraft structures known from already cured fiber composite materials. This sewing machine requires a counterhold during the sewing process.
  • German patent application DE-OS 195 29 084 A1 there is a sewing machine with which three-dimensional envelopes can be produced. in this connection is a sewing machine that works with a backing.
  • a sewing device with robot-controlled sewing machine upper and lower parts is known from German Patent DE-PS 44 31 318 C2.
  • the invention has for its object a method and an apparatus to create the type described above, which avoid the disadvantages mentioned, which in particular the sewing of large sewing material levels with minimal use of space enable and allow spatial sewing.
  • a preferred one Application example for one-sided sewing is the sewing of reinforcement textiles for fiber composite materials. These textiles are not allowed to damage, not be kinked. By sewing individual textiles together and the subsequent impregnation of these textiles with a plastic the resulting fiber composite material can absorb significantly higher loads than in the unstitched state. Sewing large structures made of reinforcement textiles for fiber composite materials, e.g. for aircraft parts, using leads conventional sewing technology to a large space requirement, because that Material to be moved from different directions to the sewing machine got to. Only by being able to move all positions of the material with a movable Starting the sewing machine can reduce the space requirement to a minimum become.
  • Fiber composite materials have a laminar structure and are made from reinforcement textiles and a matrix material. Only after the matrix material has hardened the actual fiber composite material is created. Will the reinforcement textiles with the matrix material with a strength-increasing thread material sewn before the matrix material is soaked with the hardening agent, so disadvantages of previous manufacturing processes can be avoided. Also allowed sewing the assembly and combination of different reinforcement textiles, what with the previously known textile manufacturing processes not possible.
  • the sewing seam is formed by a Sewing needle 1 with a sewing thread 2 pierces the sewing material 3 and after it has been exceeded a near thread loop 4 forms its bottom dead center.
  • a near thread loop 4 punctures a further sewing needle 5 with a sewing thread 6.
  • the two Sewing needles 1 and 5 move in two different, intersecting Levels. They do not move linearly in these planes, but rather they describe coupling curves. This enables the sewing needle 5 and the sewing thread loop 4 formed by the sewing needle 1 in the sewing thread 2 is immersed. During the upward movement of the sewing needle 2, the sewing needle 5 dips deeper into the sewing material 3.
  • FIG. 2 Gear mechanism causes. This mechanism is because of its constructive Simplicity described, but can be replaced by at least two replacement gears, which can be constructed according to the rules of Roberts.
  • Fig. 2 shows a side view of the device.
  • the device can be cut in half to be viewed as.
  • the right half consists of the drive 9 with a drive shaft 10.
  • the rotary motion of this shaft is on shaft 11 and from there again transmitted to the shaft 12.
  • the shafts 11 and 12 are at one shaft end provided with a crank 13 and 14 each.
  • Is on the crank 13 a rotatably mounted linear guide 15, on the crank 14 there is a rotatable supported bearing 16, which fixes the needle bar 17 in its axial direction.
  • the needle bar 17 With the needle 18 out (Fig. 3). Described by the rotational movement of the drive shaft 10 the needle 18 the coupling curve 23 previously described (Fig. 1).
  • the entire device is moved by an x-y-z moving unit 20 moved over the material.
  • the x-y-z travel unit 20 is not shown in FIG. 2.
  • the material to be sewn lies on a base 21 which allows the sewing needle to be penetrated.
  • the device is provided with a throat plate 22 in its lower region, which also serves to fix the sewing material to the surface. The fixation is done by pressing the device accordingly the fabric 3 with the underlying fabric pad 21.
  • the Device rotated around these three axes to move around the spatial Allow sewing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Claims (8)

  1. Procédé pour réaliser des coutures selon lequel tous les éléments qui forment les points et les coutures se trouvent exclusivement d'un côté du produit à coudre,
    les éléments formant les points et les coutures se déplacent dans des plans inclinés par rapport au produit à coudre et celui-ci est appuyé sur un support permettant la pénétration des éléments formant les points et la couture,
    caractérisé en ce qu'
    au moins deux boucles de fil à coudre s'interpénètrent, et
    tous les éléments formant les points du dispositif se trouvent exclusivement d'un côté du produit à coudre, ces éléments se déplacent dans des plans inclinés par rapport au produit à coudre et se coupant et les éléments décrivent des mouvements qui alternent en permanence entre principalement des mouvements linéaires et principalement des mouvements de rotation,
    les différentes courbes de couplage étant suffisamment rapprochées du côté opposé du produit à coudre pour transférer une boucle de fil à coudre d'un élément de formation de point au suivant et de plus le produit à coudre repose sur un support qui permet la pénétration des éléments formant les points et bloque le produit à coudre par un contre-appui relié au dispositif,
    et pendant le mouvement de basculement des éléments de formation de points, le dispositif est conduit pas à pas au-dessus du produit à coudre par une installation de déplacement commandée électroniquement ou mécaniquement par l'arbre principal du dispositif, de façon que les éléments formant les points tournent autour d'un axe géométrique dans le produit à coudre et au début du procédé, le dispositif vient sur le produit à coudre de façon que les éléments formant les points pénètrent perpendiculairement dans le produit à coudre.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    l'arbre d'entraínement du dispositif est couplé électroniquement à la commande du dispositif de déplacement de façon que le dispositif de déplacement soit entraíné en fonction de la vitesse de rotation de l'arbre d'entraínement du dispositif.
  3. Procédé selon l'une quelconque des revendications 1 ou 2,
    caractérisé en ce qu'
    un programme de construction transmet la géométrie du cordon de couture au dispositif de déplacement permettant le changement de direction de couture en liaison avec un programme de commande.
  4. Procédé selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    les manivelles, la distance des manivelles et la longueur des tiges des aiguilles se règlent de manière variable et permettent de modifier la longueur des points de la couture.
  5. Dispositif pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce qu'
    il comporte des éléments formant les points et la couture,
    ces éléments étant montés de façon à se déplacer dans des plans inclinés par rapport au produit à coudre placé dans le dispositif,
    le dispositif comportant un guidage linéaire (14) rotatif, monté de manière excentrée de façon à permettre un déphasage supplémentaire des mouvements des différents éléments formant les points et pour pouvoir régler la position des éléments les uns par rapport aux autres pour former les boucles de fil à coudre et pour saisir ces boucles (4, 7).
  6. Dispositif selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    pour réaliser une couture en trois dimensions, le support (21) du produit à coudre est souple pour lui permettre de copier les formes géométriques tridimensionnelles, la platine (22) du dispositif s'adaptant à cette forme géométrique tridimensionnelle et le dispositif pouvant exécuter en plus des mouvements linéaires, également des mouvements de basculement autour des trois axes dans l'espace.
  7. Dispositif selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    le mécanisme de mouvement pour créer le mouvement de déplacement est intégré dans le dispositif de façon que les éléments de déplacement s'appuient sur le plan du produit à coudre ou sur le produit à coudre (3).
  8. Dispositif selon la revendication 7,
    caractérisé en ce que
    le mécanisme de déplacement pour le mouvement de déplacement est intégré dans le dispositif pour permettre de guider le dispositif à la main et/ou coudre des produits en forme de tube ou de gaine.
EP99919103A 1998-03-28 1999-03-20 Procede et dispositif permettant de realiser des coutures Expired - Lifetime EP1068385B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19813887A DE19813887A1 (de) 1998-03-28 1998-03-28 Verfahren und Vorrichtung zur Herstellung von Nähnähten
DE19813887 1998-03-28
PCT/DE1999/000797 WO1999050492A1 (fr) 1998-03-28 1999-03-20 Procede et dispositif permettant de realiser des coutures

Publications (2)

Publication Number Publication Date
EP1068385A1 EP1068385A1 (fr) 2001-01-17
EP1068385B1 true EP1068385B1 (fr) 2002-10-23

Family

ID=7862758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99919103A Expired - Lifetime EP1068385B1 (fr) 1998-03-28 1999-03-20 Procede et dispositif permettant de realiser des coutures

Country Status (5)

Country Link
US (1) US6357371B1 (fr)
EP (1) EP1068385B1 (fr)
AU (1) AU3700099A (fr)
DE (3) DE19813887A1 (fr)
WO (1) WO1999050492A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004012822B3 (de) * 2004-03-16 2005-06-16 Ksa Gmbh & Co. Kg Kettenstichnähvorrichtung
DE102004055592B4 (de) * 2004-11-18 2021-03-18 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Verbinden mindestens zweier Bauteile aus einem thermoplastischen Faserverbundwerkstoff
DE102015110855B4 (de) 2015-07-06 2019-12-05 Technische Universität Chemnitz Verfahren zur Fertigung von komplexen 3D-Preformen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069457B (de) * 1959-11-19 Von Hand geführte, transportable Kettenstichnähmaschine
US1714928A (en) * 1926-06-23 1929-05-28 Victor J Sigoda Stitch-forming mechanism for sewing machines
US2058271A (en) * 1932-07-23 1936-10-20 Joseph Arciere Sewing machine
US2369183A (en) * 1939-10-05 1945-02-13 Mansew Pinking Attachment Corp Multiple needle stitching mechanism
US2491457A (en) * 1945-02-06 1949-12-13 Man Sew Corp Multiple needle stitching mechanism
US2637290A (en) * 1947-07-02 1953-05-05 Man Sew Corp Multiple needle stitching mechanism
DE1685043A1 (de) * 1968-03-05 1971-03-18 Friedrich Schweinfurter Naehmaschine und Naehverfahren zur Herstellung einer Naht von einer Seite des Materials
DE2921026A1 (de) 1979-05-23 1980-12-04 Stopanski Rila Verfahren und vorrichtung zur bildung von dekorativen stichreihen
US4503788A (en) * 1982-09-24 1985-03-12 Grumman Aerospace Corporation Translaminar stitching apparatus for composite airframe part assembly
ES8407127A1 (es) * 1982-10-25 1984-08-16 Gerber Scient Inc Aparato para fabricar articulos tridimensionales desde piezas patron de material laminado
FR2658841B1 (fr) * 1990-02-26 1993-06-11 Aerospatiale Procede et dispositif pour la realisation d'elements d'armature composes de fibres resistantes.
GB9406537D0 (en) * 1994-03-31 1994-05-25 British Aerospace Blind stitching apparatus and composite material manufacturing methods
DE4431318C2 (de) * 1994-09-02 1997-05-28 Ksl Keilmann Sondermaschinenba Nähvorrichtung
US5458075A (en) * 1994-09-15 1995-10-17 Tice Engineering And Sales, Inc. Electronically geared sewing machine
DE19529084C2 (de) * 1995-08-08 1999-01-14 Altin Naehtechnik Gmbh Verfahren und Vorrichtung zum Bilden dreidimensionaler Hüllen

Also Published As

Publication number Publication date
WO1999050492A1 (fr) 1999-10-07
DE59903170D1 (de) 2002-11-28
EP1068385A1 (fr) 2001-01-17
DE19813887A1 (de) 1999-09-30
US6357371B1 (en) 2002-03-19
AU3700099A (en) 1999-10-18
DE19980552D2 (de) 2001-05-17

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