EP2470698B1 - Installation pour machine à coudre - Google Patents

Installation pour machine à coudre Download PDF

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Publication number
EP2470698B1
EP2470698B1 EP10765738.9A EP10765738A EP2470698B1 EP 2470698 B1 EP2470698 B1 EP 2470698B1 EP 10765738 A EP10765738 A EP 10765738A EP 2470698 B1 EP2470698 B1 EP 2470698B1
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EP
European Patent Office
Prior art keywords
sewing
material part
station
robot
installation according
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
EP10765738.9A
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German (de)
English (en)
Other versions
EP2470698A1 (fr
Inventor
Ernst Biermann
Thomas Markfort
Friedrich Rau
Robert Keilmann
Guido Jaeger
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.)
KSL Keilmann Sondermaschinenbau GmbH
Original Assignee
KSL Keilmann Sondermaschinenbau GmbH
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Publication of EP2470698A1 publication Critical patent/EP2470698A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
    • D05B33/006—Feeding workpieces separated from piles, e.g. unstacking

Definitions

  • the present invention relates to a sewing unit.
  • an apparatus for producing stacks of hemmed pieces of fabric in which individual pieces of food of predetermined lengths are conveyed longitudinally successively along a path.
  • an adjustment device is provided, which successively picks up manually inserted pieces of cloth and aligns each piece of fabric and places it on a piece of food. After forming a seam, which is folded around the associated piece of food by a folder, the seam is sewn with the aid of a conventional sewing machine.
  • WO-A-92/15212 discloses a sewing machine with two robots.
  • the object of the present invention is to provide an automatic sewing machine for the production of molded parts, with the help of the sewing of upper parts and lower material parts is substantially simplified.
  • a sewing unit with a first robot which extracts a top material part from a first stacking device and a bottom material part from a second stacking station and transports the upper part and the lower material part to an insertion station and places them in a congruent superimposition and arranges them in a workpiece holder the upper material part and the lower material part hold together congruently, wherein the Nähguthalter holds the upper part and the Untermaterialteil so that they project outside a predetermined distance on an outer contour of the fabric holder, and with a second robot, which takes a Nähguthalter the feeder station and feeds a first sewing station, which has a first sewing machine, wherein the first sewing machine follows the outer contour of the workpiece holder and thereby the Upper part and the lower material part with a seam produced by him in the region of the protruding distance of the upper material part and the lower material part sewn together.
  • the main advantage of the automatic sewing unit according to the invention is that the sewing of upper parts and lower material parts can be done much cheaper, because the number of currently customary for this purpose handles when sewing is substantially reduced.
  • the above-mentioned handles are reduced both in the provision of the upper and lower material parts for sewing as well as the subsequent sewing of congruent superposed upper and lower material parts.
  • market-relevant products for the automotive and aviation sector can be produced in high quality with the aid of the automatic sewing system according to the invention.
  • This advantage of the present invention is particularly relevant because in the automotive and aerospace sectors, the shapes, sizes and material thicknesses of the moldings to be produced in each case for the interior fittings vary greatly, since the variety of variants and the individuality are constantly increasing.
  • Another advantage of the present invention is that time can be saved by largely avoiding manual grips when sewing upper and lower material parts, which leads to considerable cost savings. This also plays a role in particular when changing from one molding model to another molding model.
  • At least a third robot is provided particularly advantageous and efficient, the one of the insertion station Nähguthalter, removes and feeds a second sewing station, which has a second automatic sewing machine, the second sewing machine follows the outer contour of the fabric holder and thereby sewn together the upper part and the lower material part with a seam produced by him in the region of the protruding distance of the upper material part and the lower material part ,
  • the first robot is expediently moved by control signals generated by the computing and control unit from the first and second stacking station to the loading station and vice versa. Furthermore, the first robot is advantageously controlled by the control signals generated by a computing and control unit as a function of the signals of a first optoelectronic camera in order to congruently align the upper part and the lower material part in the insertion station.
  • the first sewing machine is particularly preferably controlled by the control and control unit in response to the signals of a second optoelectronic camera control signals to move it along the outer contour of the fabric holder. Accordingly, the second sewing machine is controlled by a computing and control unit in response to the signals of a third optoelectronic camera to move it along the outer contour of the fabric holder.
  • the second robot is moved by control signals generated by the computing and control unit from the loading station to the first sewing station and vice versa.
  • the third robot is moved by control signals generated by the arithmetic and control unit from the loading station to the second sewing station and vice versa.
  • the material holder comprises at least one upper part and a lower part, which are fixable to each other and between which the upper part and the lower material part can be arranged, wherein the upper part or the lower part has the outer contour.
  • the fabric holder comprises at least one upper part and one lower part which can be fixed to one another and between which the upper part and the lower material part can be arranged, wherein the upper part and the lower part have the outer contour and wherein the outer contours are aligned congruently to each other, when the upper part on the lower part is fixed. It is particularly cost effective if the upper part and / or the lower part have the shape of a plate-shaped sheet-metal part.
  • the upper part and the lower part can be fixed to one another magnetically or mechanically in a particularly simple and precise manner in order to fix the upper part and the lower part non-slip in the material holder. It is particularly advantageous if the upper part and / or the lower part are magnetically gripped by an electromagnetic gripper device of the second robot and / or the third robot.
  • the second robot is expediently a six-axis movable robot.
  • the third robot is expediently a six-axis movable robot.
  • a first conveying path for conveying a material holder with an upper part part sewn to a lower material part from the first sewing station to a collecting station.
  • a second conveyor line for conveying a fabric holder with an upper part sewn to a lower material part from the second sewing station to the collecting station is provided.
  • a particularly efficient operation of the present sewing unit is achieved when a third conveyor line is provided for returning the fabric holder after removing the sewn on the lower part of the upper part of the collecting station to the loading station.
  • the first conveying path and the second conveying path may be opposite each other in relation to the third conveying path and its conveying direction.
  • the first sewing station and the second sewing station may face each other with respect to the third conveyor line and its conveying direction
  • the second robot and the third robot may be opposite each other with respect to the third conveyor line and its conveying direction.
  • the manual handles can be further reduced in that also the sewing process to be performed is performed by automatic sewing machines, which are opto-electronically monitored and controlled by special cameras.
  • automatic sewing machines which are opto-electronically monitored and controlled by special cameras.
  • costs can be saved by making the material parts sewn holding the sewing material holder itself easier.
  • the present automatic sewing unit 10 essentially comprises a first stacking station 1 to which upper material parts 7 are fed from a first supply station 5, a second stacking station 2 to which lower material parts 8 are fed from a second supply station 6, the upper material parts 7 of the first supply station 5 being located on the Path 3 and the lower material parts 8 of the second feed station 6 on the way 4 are each fed manually by an operator.
  • the upper parts 7 are preferably parts made of leather or fabric.
  • the lower material parts 8 are preferably parts made of foam or fleece. The upper parts 7 are fed to the first stacking station 1 on the path 33 and the lower material parts 8 of the second stacking station 2 on the path 34.
  • a first special robot designated 9 takes over alternately, i. Thus, alternately successively from the first stacking station 1, an upper part 7 (way 35) and from the second stacking station 2 a Untermaterialteil 8 (path 36) and transports them to an insertion station 11, wherein the first feed station 5 supplied upper parts 7 in the first stacking station 1 and the second feed station 6 supplied Untermaterialmaschine 8 are stacked in the stacking station 2 respectively.
  • the first robot 9 is controlled in accordance with the coordinates of the stacking units 1 and 2 and the insertion station 11 stored in the arithmetic and control unit 32. The corresponding control signals are applied via line 42 to the first robot 9.
  • the first robot 9 grips the upper material part 7 and the lower material part 8 with a gripper device which particularly preferably uses a vacuum technique and sucks the material parts 7, 8 respectively without creases on a suction plate which has suction openings distributed over its surface and forms part of the gripper device.
  • the material parts 7, 8 grasped in a wrinkle-free manner are superposed by the first robot 9 in the insertion station 11, the first robot 9 being controlled with the aid of a first optoelectronic camera 15 for aligning and superimposing the material parts 7 and 8 transported to the insertion station 11 is arranged in the insertion station 11.
  • the first camera 9 generates signals corresponding to the respective layers of the material parts 7 and 8 respectively and sends these signals via a line 37 to the computing and control unit 32. From these signals, the computing and control unit 32 generates control signals via the Line 42 to the first robot 9 are sent. This moves the material parts 7 and 8 such that they are exactly congruent to each other.
  • the material parts 7, 8 thereby in a fabric holder 27 according to FIG. 2 arranged that the first deposited in the insertion station 11 material part 7 is deposited on a plate-shaped lower part 28, which was previously stored manually in the loading station 11 preferably by an operator.
  • the lower part 28 is preferably placed in the correct position with the aid of at least two holes 47 arranged in it, into which appropriate adjusting pins of the insertion station 11 are inserted.
  • a plate-shaped upper part 29 is preferably also arranged manually on the lower part 28 facing away from the material part 8 preferably.
  • the lower part 28 and the upper part 29 are parts of the already mentioned Nähguthalters 27th
  • the upper part 29 and the lower part 28 are made of metal and are firmly held together for further processing, so that the unit consisting of lower part 28, lower material part 8, upper part 7 and upper part 29 is firmly held together. Relative movements between said elements 7, 8, 28 and 29 are completely excluded.
  • the outer contours of the lower part 28 and the upper part 29 are each exactly adapted to the outer contours of the lower material part 7 and the upper part 8, but so dimensioned that the upper part 7 and the lower material part 8 each a predetermined distance 30 on the lower part 28 and the upper part 29 after protrude outside.
  • the upper part 29 and the lower part 28 each consist of easily manufactured sheet metal parts.
  • the insertion station 11 are associated with a second special robot 13 and a third special robot 14, which are each designed six-axis and have a preferably electromagnetic gripping system. Therefore, the upper part 29 and the lower part 28 and the interposed, congruent to each other arranged material parts 7, 8 are magnetically firmly held together to form a unit when gripping the Nähguthalters.
  • the second robot 13 and the third robot 14 each accomplish the transport of the material holder 27 sequentially removed from the insertion station 11 to a first sewing station
  • the arithmetic and control unit 32 on the basis of the coordinates of the insertion station 11 and the sewing stations 16 and 17, supplies the required control signals for the robots 13 and 14 via the lines 48 and 49, respectively.
  • a first sewing machine 45 and a second sewing machine 46 are arranged, to which a first special camera 18 and a second special camera 19 are assigned.
  • These optoelectronic cameras 18 and 19 deliver signals corresponding to the layers of the material holders 27 via lines 40 and 41 to the computing and control unit 32 which sends control signals to the automatic sewing machines 45 and 46 via the lines 50 and 51, respectively.
  • the sewing machines 45 and 46 are respectively moved or controlled in relation to the material holders 27 deposited in the sewing stations 16 and 17 by the robots 13 and 14, respectively, in such a way that the seams 31 (FIG. FIG.
  • the material parts 7, 8 sewn together are conveyed together with the workpiece holder 27 via a first conveyor line 20 and a second conveyor line 21 to a collecting station 22 and there for Further processing taken manually.
  • the conveying paths 20, 21 are preferably in each case conveyor belt devices, the directions of movement of which are illustrated by the arrows 23 and 24, respectively.
  • a third conveying path 25 is provided, which is preferably likewise a conveyor belt device whose direction of movement is represented by the arrow 26.
  • the third conveyor line 25 serves, after the sewing process and the manual removal of the upper part 7 and the sewn sub-material part 8 in the collecting station 22 from the workpiece holder 27 to transport this (or its upper part 29 and the lower part 28) back to the insertion station 11 so that he is available there again.
  • the respectively From the material parts 7 and 8 existing moldings are supplied after removal from the collection station 22 further processing.
  • the second robot 13 and the third robot 14, and the corresponding sewing stations 16 and 17 and the associated cameras 18 and 19 are each arranged on opposite sides of the conveyor line 25.
  • This also applies to the conveyor lines 20 and 21.
  • a particularly favorable construction of said sewing unit 10 is achieved. After sewing the material parts 7, 8 in a sewing station, for example, the first sewing station 16, during the return transport of the currently vacant workpiece holder 27 on the conveyor line 25 by the sewing station 17 a sewing operation can be performed and vice versa, so that the sewing unit is always busy.

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

Claims (22)

  1. Installation de couture, comportant
    un premier robot (9) qui extrait respectivement d'un premier dispositif d'empilage (1) une pièce de matériau supérieur (7) et d'un deuxième dispositif d'empilage (2) une pièce de matériau inférieur (8) et transporte la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8) vers une station de pose (11) et les pose dans celle-ci l'une sur l'autre en se recouvrant avec coïncidence et les agence dans un dispositif de maintien de produits à coudre (27) qui maintient en se recouvrant avec coïncidence la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8), le dispositif de maintien de produits à coudre (27) retenant la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8) de telle sorte que celles-ci font saillie sur une section (30) prédéterminée au-delà d'un contour extérieur du dispositif de maintien de produits à coudre, et comportant
    un deuxième robot (13) qui extrait de la station de pose (11) un dispositif de maintien de produits à coudre (27) et l'amène à une première station de couture (16) qui présente une première machine à coudre automatique (45),
    la première machine à coudre automatique (45) suivant le contour extérieur du dispositif de maintien de produits à coudre (27) et cousant en même temps l'une avec l'autre la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8) avec une couture (31) engendrée par ladite machine à coudre automatique dans la zone de la section (30) en saillie de la pièce de matériau supérieur (7) et de la pièce de matériau inférieur (8).
  2. Installation de couture selon la revendication 1, caractérisée en ce qu'il est prévu au moins un troisième robot (14) qui extrait de la station de pose (11) un dispositif de maintien de produits à coudre (27) et l'amène à une deuxième station de couture (17) qui présente une deuxième machine à coudre automatique (46), la deuxième machine à coudre automatique (46) suivant le contour extérieur du dispositif de maintien de produits à coudre (27) et cousant en même temps l'une avec l'autre la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8) avec une couture (31) engendrée par ladite machine à coudre automatique dans la zone de la section (30) en saillie de la pièce de matériau supérieur (7) et de la pièce de matériau inférieur (8).
  3. Installation de couture selon la revendication 1 ou 2, caractérisée en ce que le premier robot (9) est déplacé par des signaux de commande engendrés par l'unité de calcul et de commande (32) depuis la première station d'empilage (1) jusqu'à la station de pose (11) et inversement.
  4. Installation de couture selon l'une des revendications 1 à 3, caractérisée en ce que le premier robot (9) peut être commandé par des signaux de commande engendrés par une unité de calcul et de commande (32) en fonction des signaux d'une première caméra (9) pour poser l'une sur l'autre en se recouvrant avec coïncidence la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8) dans la station de pose (11).
  5. Installation de couture selon l'une des revendications 1 à 4, caractérisée en ce que le premier robot (9) est déplacé par les signaux de commande engendrés par l'unité de calcul et de commande (32) depuis la deuxième station d'empilage (2) jusqu'à la station de pose et inversement.
  6. Installation de couture selon l'une des revendications 1 à 5, caractérisée en ce que la première machine à coudre automatique (45) peut être commandée par les signaux de commande engendrés par l'unité de calcul et de commande (32) en fonction des signaux d'une deuxième caméra (18), pour déplacer ladite machine à coudre automatique le long du contour extérieur du dispositif de maintien de produits à coudre (27).
  7. Installation de couture selon l'une des revendications 2 à 6, caractérisée en ce que la deuxième machine à coudre automatique (46) peut être commandée part les signaux de commande engendrés par une unité de calcul et de commande (32) en fonction des signaux d'une troisième caméra (14) pour déplacer ladite machine à coudre automatique le long du contour extérieur du dispositif de maintien de produits à coudre (27).
  8. Installation de couture selon l'une des revendications 1 à 7, caractérisée en ce que le deuxième robot (13) est déplacé par des signaux de commande engendrés par l'unité de calcul et de commande (32) depuis la station de pose (11) jusqu'à la première station de couture (16) et inversement.
  9. Installation de couture selon l'une des revendications 2 à 8, caractérisée en ce que le troisième robot (14) est déplacé par des signaux de commande engendrés par l'unité de calcul et de commande (32) depuis la station de pose (11) jusqu'à la deuxième station de couture (17) et inversement.
  10. Installation de couture selon l'une des revendications 1 à 9, caractérisée en ce que le dispositif de maintien de produits à coudre (27) comprend au moins une partie supérieure (29) et une partie inférieure (28) qui peuvent être fixées l'une à l'autre et entre lesquelles peuvent être agencées la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8), la partie supérieure (29) ou la partie inférieure (28) présentant le contour extérieur.
  11. Installation de couture selon l'une des revendications 1 à 9, caractérisée en ce que le dispositif de maintien de produits à coudre (27) comprend au moins une partie supérieure (29) et une partie inférieure (28) qui peuvent être fixées l'une à l'autre et entre lesquelles peuvent être agencées la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8), la partie supérieure (29) et la partie inférieure (28) présentant le contour extérieur et les contours extérieurs étant alignés en se recouvrant réciproquement avec coïncidence lorsque la partie supérieure (29) est fixée sur la partie inférieure (28).
  12. Installation de couture selon la revendication 10 ou 11, caractérisée en ce que la partie supérieure (29) et/ou la partie inférieure (28) possèdent la forme d'une pièce de tôle en forme de plaque.
  13. Installation de couture selon l'une des revendications 10 à 12, caractérisée en ce que la partie supérieure (29) et la partie inférieure (28) peuvent être fixées l'une à l'autre magnétiquement ou mécaniquement pour fixer la pièce de matériau supérieur (7) et la pièce de matériau inférieur (8) dans le dispositif de maintien de produits à coudre (27) de manière à ne pas glisser.
  14. Installation de couture selon l'une des revendications 10 à 13, caractérisée en ce que la partie supérieure (29) et/ou la partie inférieure (28) peuvent être saisies magnétiquement par un dispositif de préhension électromagnétique du deuxième robot (13) et/ou du troisième robot (14).
  15. Installation de couture selon l'une des revendications 1 à 14, caractérisée en ce que le deuxième robot (13) est un robot mobile à six axes.
  16. Installation de couture selon l'une des revendications 2 à 15, caractérisée en ce que le troisième robot (14) est un robot mobile à six axes.
  17. Installation de couture selon l'une des revendications 1 à 16, caractérisée en ce qu'il est prévu une première voie de convoyage (20) pour transporter un dispositif de maintien de produits à coudre (27) avec une pièce de matériau supérieur (7) cousue à une pièce de matériau inférieur (8) depuis la première station de couture (16) jusqu'à une station collectrice (22).
  18. Installation de couture selon l'une des revendications 2 à 17, caractérisée en ce qu'il est prévu une deuxième voie de convoyage (21) pour transporter depuis la deuxième station de couture (17) jusqu'à une station collectrice (22) un dispositif de maintien de produits à coudre (27) avec une pièce de matériau inférieur (8) cousue à une pièce de matériau supérieur (7).
  19. Installation de couture selon la revendication 17 ou 18, caractérisée en ce qu'il est prévu une troisième voie de convoyage (25) pour ramener le dispositif de maintien de produits à coudre (27) depuis la station collectrice (22) jusqu'à la station de pose (11), après avoir extrait la pièce de matériau supérieur (7) cousue à la pièce de matériau inférieur (8).
  20. Installation de couture selon la revendication 19, caractérisée en ce que la première voie de convoyage (16) et la deuxième voie de convoyage (21) se font face par rapport à la troisième voie de convoyage (25) et à sa direction de convoyage.
  21. Installation de couture selon la revendication 19 ou 20, caractérisée en ce que la première station de couture (16) et la deuxième station de couture (17) se font face par rapport à la troisième voie de convoyage (25) et à sa direction de convoyage.
  22. Installation de couture selon l'une des revendications 19 à 21, caractérisée en ce que le deuxième robot (13) et le troisième robot (14) se font face par rapport à la troisième voie de convoyage (25) et à sa direction de convoyage.
EP10765738.9A 2009-08-26 2010-08-26 Installation pour machine à coudre Active EP2470698B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910038602 DE102009038602A1 (de) 2009-08-26 2009-08-26 Nähanlage
PCT/DE2010/000989 WO2011023170A1 (fr) 2009-08-26 2010-08-26 Machine à coudre

Publications (2)

Publication Number Publication Date
EP2470698A1 EP2470698A1 (fr) 2012-07-04
EP2470698B1 true EP2470698B1 (fr) 2013-06-19

Family

ID=43466989

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Application Number Title Priority Date Filing Date
EP10765738.9A Active EP2470698B1 (fr) 2009-08-26 2010-08-26 Installation pour machine à coudre

Country Status (3)

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EP (1) EP2470698B1 (fr)
DE (1) DE102009038602A1 (fr)
WO (1) WO2011023170A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011118813B3 (de) * 2011-11-11 2013-01-24 Steffen Pfeil Näheinrichtung zur Verbindung von mehreren Einzellagen textiler Werkstoffe zu einem Mehrlagenstapel auf festen Formunterlagen
CN107075763B (zh) * 2014-08-04 2021-02-02 恩坦华产品有限责任公司 用于缝制车辆内装部件的装置和方法以及由该方法形成的部件
DE202015102104U1 (de) 2015-04-28 2016-08-01 Dürkopp Adler AG Nähanlage
DE102022206250A1 (de) 2022-06-22 2023-12-28 Pfaff Industriesysteme Und Maschinen Gmbh Nähguthalter für eine Nähanlage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898941A (en) 1973-03-23 1975-08-12 Cluett Peabody & Co Inc Apparatus for manufacturing and stacking hemmed fabric pieces
GB2233006B (en) * 1986-12-01 1991-05-22 Brooks C S Corp Apparatus for fabricating textile articles such as bath throw rugs
GB8823219D0 (en) * 1988-10-04 1988-11-09 Gen Electric Manufacturing process control
JP3021655B2 (ja) * 1991-03-08 2000-03-15 パシフィック、ダンロップ、リミテッド 股部オーバーロッキングおよびシーミング装置
US5216969A (en) * 1991-12-23 1993-06-08 L & P Products, Inc. Automated carpet binding apparatus

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Publication number Publication date
EP2470698A1 (fr) 2012-07-04
WO2011023170A1 (fr) 2011-03-03
DE102009038602A1 (de) 2011-03-10

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