EP0358547B1 - Greif- und Haltevorrichtung für zumindest zwei biegsame Teile, die durch Nähen o.dgl. zusammengefügt werden - Google Patents

Greif- und Haltevorrichtung für zumindest zwei biegsame Teile, die durch Nähen o.dgl. zusammengefügt werden Download PDF

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Publication number
EP0358547B1
EP0358547B1 EP19890402342 EP89402342A EP0358547B1 EP 0358547 B1 EP0358547 B1 EP 0358547B1 EP 19890402342 EP19890402342 EP 19890402342 EP 89402342 A EP89402342 A EP 89402342A EP 0358547 B1 EP0358547 B1 EP 0358547B1
Authority
EP
European Patent Office
Prior art keywords
mold
aforesaid
support
plate
frame
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
EP19890402342
Other languages
English (en)
French (fr)
Other versions
EP0358547A1 (de
Inventor
Eric Mallebay
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen 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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Publication of EP0358547A1 publication Critical patent/EP0358547A1/de
Application granted granted Critical
Publication of EP0358547B1 publication Critical patent/EP0358547B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B11/00—Machines for sewing quilts or mattresses
    • D05B11/005—Machines for sewing quilts or mattresses for sewing the edges of mattresses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G15/00—Auxiliary devices and tools specially for upholstery
    • B68G15/005—Worktables or workframes

Definitions

  • the present invention relates generally to a device for gripping and holding at least two pieces or sheets of flexible material with a view to their assembly by sewing, welding, or any suitable method.
  • It relates more particularly to a device for gripping and holding two pieces of fabric or canvas intended to be assembled by sewing, one of these pieces having to constitute the covering surface of the upper part of a seat of an automobile seat and the another piece of fabric constituting a band surrounding this seat.
  • the present invention aims to fill this gap by providing a gripping and holding device achieving the above objective, and this in a reliable and inexpensive manner.
  • the invention relates to a device for gripping and holding at least two flexible parts in fabric for example, intended to be assembled by sewing or the like, and one of which forms a covering surface of the upper part of a seat cushion, for example, while the other forms a strip surrounding this seat, characterized in that that it comprises a support forming a mold capable of receiving said surface and said strip and comprising means allowing the peripheral clamping of these two elements by pressing a plate or the like on said support forming mold.
  • the periphery of the mold-forming support is provided with a groove or the like capable of receiving the strip surrounding the seat and defining, on the interior side of the support, a sole in the shape of the covering surface. from the upper part of the seat, and from the side outside the support, a flange constituting with the periphery of the plate, the aforementioned pinching means.
  • the wall of the groove situated on the outside of the support and comprising the abovementioned flange is provided with orifices connected to a source of vacuum allowing the strip surrounding the seat to be pressed against said wall.
  • the above-mentioned plate can be actuated by a jack mounted articulated on a frame of which the mold-forming support is integral.
  • This frame is fixed on a sleeve rotatably mounted on a part with end piece integral with the support forming the mold and capable of being gripped by the pliers of a robot.
  • the plate applicable on the sole it is fixed to the frame by means of a bearing.
  • connection of the plate to the frame by a bearing, and the connection of the support forming the mold to the frame by means of a sleeve integral with this frame will allow the plate and the support to rotate simultaneously relative to the frame so to automatically assemble the two pieces of fabric by sewing, as will be explained in detail below.
  • the device according to this invention comprises indexing means for identifying the relative positions of the support forming the mold and the plate.
  • This invention is further characterized by a cable associated with a return means and fixed to the frame to allow in particular the retention of the frame during the simultaneous rotation of the support forming the mold and the plate, this in order to allow assembly by sewing.
  • the frame has substantially the shape of a U between the branches of which the mold-forming support and the plate are simultaneously rotatably mounted, the latter being secured, by means of the aforementioned bearing, to one branches of the U articulated on the remaining part of this U.
  • the aforementioned sole receiving the piece of fabric intended to cover the upper part of the seat cushion is provided with means, such as for example asperities, preventing any sliding of this piece of fabric.
  • a gripping and holding device in accordance with this invention essentially comprises a support forming a mold 1 which comprises on the one hand a sole 2 whose external face 2a can receive a piece of fabric, of canvas or the like 3 corresponding to the shape of the upper part of a seat of a vehicle seat for example, and on the other hand of the means 4 allowing the peripheral pinching of the part 3 and of another piece of fabric, canvas or the like 5 to be assembled to the part 3 and constituting a band to surround the seat of the seat (not shown).
  • the support forming the mold 1 is provided with a groove or the like 6 capable of receive, in a substantially vertical orientation, the piece of fabric 5 and defining, on the interior side of the support 1, the sole 2 previously mentioned and which is, by its external face 2a, in the shape of the upper surface of the seat of the seat, and on the outside of the support 1, a flange 7 which can cooperate with the periphery 8 of a presser plate 9 so as to pinch the periphery of the pieces of fabric 3 and 5.
  • this pinching is carried out a short distance from the peripheral edges of the pieces of fabric 3 and 5 so that these two edges are juxtaposed to form an edge or a fringe 10 which is free and external to the support forming the mold 1, which edge 10 can be sewn by the sewing head shown schematically at 11 in Figure 2 and this in the manner which will be explained later.
  • the groove 6 which has substantially a cross section in the shape of a U or a V, comprises, on the inside of the support 1, a wall 6a which in a way constitutes the edge of the sole 2.
  • the plate 9, like the mold forming the support 1, are integral with a frame generally identified at 15 and having the general shape of a U, as can be seen in FIGS. 1 and 2.
  • One 16 of the branches of the U is articulated at 17 on the remaining part 18 of the U which is itself integral with a sleeve 19 mounted idly on a part 20 fixed on the support forming the mold 1 and carrying at its end an end piece removable 21 allowing the gripping of the entire device by the clamps 22 of a robot 23 visible in FIG. 2.
  • the presser plate 9 On the end of the branch 16 of the frame 15 is fixed the presser plate 9 by means of a ball bearing 24, so that said plate can rotate relative to said branch or arm 16.
  • a jack 25 is mounted in an articulated manner between the arm 16 and the remaining part 18 of the frame 15, so that, as will be described later in connection with operation, the pressure plate 9 can be moved away from or applied to the sole 2 of the mold support 1.
  • Indexing means constituted, according to the example shown, by thrust bearings 27, 28 respectively allow the location of the relative positions of the presser plate 9 and the support forming the mold 1.
  • the outer face 2a of the sole 2 is provided with asperities preventing any sliding of the piece of fabric 3 relative to said sole.
  • asperities one could perfectly, without departing from the scope of the invention, use other equivalent means.
  • the plate 9-support 1 assembly can rotate simultaneously between the branches of the U constituting the frame 15, and this thanks to the ball bearing 24 and the sleeve bearing 19, it being understood that between this sleeve and the part 20 are provided with seals 31 ensuring airtightness in all the angular positions that the device takes during the operation which will now be described.
  • the actuator 25 is actuated which lifts the arm 16 and consequently moves the presser plate 9 away from the sole 2, so that access inside the mold support 1 is possible
  • the operator firstly places the piece of fabric 5 constituting the surrounding of the seat base in the groove 6, taking care to place the outside or appearance of the fabric or the canvas on the side of the wall 6a of said groove, that is to say on the side of the sole 2. Then the operator creates a vacuum in the cavity or chamber 13 which, by means of the orifices 12, causes the part 5 to be held against the wall 6b.
  • the piece of fabric 3 is deposited on the sole 2, so that the outer face or aspect of this piece is on the side of the face 2a of the sole 2. It will be specified here that any sliding of the piece of fabric 3 on the sole 2 is avoided by the roughness or other equivalent means, on the face 2a.
  • the operator then controls the jack 25 to press the plate 9 on the sole 2 so that the pieces of fabric 3 and 5 are sandwiched by their peripheral edges, and this thanks to the cooperation of the edge 8 of the plate 9 and the rim 7, so as to leave a free edge 10 constituted by two superimposed fringes of part 3 and part 5.
  • the robot 23 then grasps the device on the carousel by the end piece 21 and changes the device in front of the sewing head 11, as can be understood by referring to FIG. 2.
  • the assembly 9-support plate 1 rotates relative to the frame 15 as the seam is made on the edge 10 formed by the two fringes of the pieces of fabric 3 and 5.
  • the cable 29 performs an elastic traction on the frame 15 so as not to interfere with the automatic sewing operation.
  • This finished part is then turned over, so as to reveal the outside or appearance of the fabric and to hide the seam, as can be seen in FIG. 4 where the seam is shown diagrammatically at 32.
  • the assembly now holding the pieces of fabric to be joined can be fixed, while the sewing head is movable.
  • the assembly for gripping and holding the pieces of fabric 3 and 5 can be considered as a fixed station template around which the sewing head moves, which can be animated by a robot.
  • the maintenance of the piece of fabric 1 in position can be ensured in various ways, that is to say by using for example the electrostatic properties of this piece of fabric , or by still using a claw mechanism which would be movable inside the sole 2.

Landscapes

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

Claims (10)

  1. Vorrichtung zum Greifen und Halten von wenigstens zwei geschmeidigen Teilen z.B. aus Stoff, die bestimmt sind, durch Nähen oder dergleichen zusammengefügt zu werden und dessen einer (3) die Abdeckfläche des oberen Teiles z.B. des Sitzteiles eines Sitzes bildet, während der andere (5) einen den Sitzteil umgebenden Streifen bildet, dadurch gekennzeichnet, dass sie einen eine Form bildenden und zur Aufnahme der besagten Fläche (3) und des besagten Streifens (5) geeigneten Träger (1) umfasst, der Mittel (4) aufweist, die das Umfangseinklemmen dieser beiden Elemente (3, 5) durch Abstützung einer Platte oder dergleichen (9) an dem besagten eine Form bildenden Träger gestatten.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Umfang des eine Form bildenden Trägers (1) mit einer den den Sitzteil umgebenden Streifen (5) aufnehmenden Nut oder dergleichen (6) versehen ist, die auf der Innenseite des Trägers (1) ein Polster (2) mit der Gestalt der Abdeckfläche des oberen Teiles des Sitzteiles und auf der Aussenseite des Trägers (1) eine zusammen mit dem Umfang (8) der Platte (9) die vorgenannten Klemmmittel (4) bildende Randleiste (7) abgrenzt.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die auf der Aussenseite des Trägers (1) und die vorgenannte Randleiste (7) aufweisende Wand (6b) der Nut (6) mit an einer Vakuumquelle angeschlossenen Offnungen (12) versehen ist, welche es dem den Sitzteil umgebenden Streifen (5) gestattet, sich an die besagte Wand anzuschmiegen.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die vorgenannte Platte (9) durch einen an an einem Rahmen (15), mit dem der eine Form bildende Träger (1) fest verbunden ist, gelenkig angeordneten Kraftzylinder (25) betätigbar ist.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der vorgenannte Rahmen (15) an einer Muffe (19) befestigt ist, welche an einem Teil (20) mit Endstück (21) drehbar angeordnet ist, welches geeignet ist, durch die Zangen (22) eines Roboters (23) ergriffen zu werden.
  6. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die vorgenannte Platte (19) an dem Rahmen (15) über ein Rollenlager (24) befestigt ist.
  7. Vorrichtung nach einem der vorangehenden Ansprüche, gekennzeichnet durch Indexierungsmittel (27, 28), um die relativen Stellungen des eine Form bildenden Trägers (1) und der Platte (9) zu orten.
  8. Vorrichtung nach einem der vorangehenden Ansprüche, gekennzeichnet durch ein einem Rückstellmittel zugeordnetes und an dem vorgenannten Rahmen (15) befestigtes Seil (29), um insbesondere das Zurückhalten des Rahmens während der durch den Roboter (23) durchgeführten Drehung des eine Form bildenden Trägers (1) zu ermöglichen.
  9. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der vorgenannte Rahmen (15) etwa die Gestalt eines U's aufweist, zwischen dessen Schenkeln der eine Form bildende Träger (1) und die Platte (9) zur gleichzeitigen Drehung angeordnet sind, wobei die letztere mit einem (16) der Schenkel des U's über das vorgenannte Rollenlager (24) fest verbunden ist, welcher Schenkel an dem Restteil (18) dieses U's angelenkt ist.
  10. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das vorgenannte Polster (2) mit Mitteln, wie z.B. jedes Rutschen des die Abdeckfläche des Sitzteiles bildenden Teiles (3) verhindernden Rauheiten versehen ist.
EP19890402342 1988-09-08 1989-08-24 Greif- und Haltevorrichtung für zumindest zwei biegsame Teile, die durch Nähen o.dgl. zusammengefügt werden Expired - Lifetime EP0358547B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8811755A FR2636058B1 (fr) 1988-09-08 1988-09-08 Dispositif de prehension et maintien d'au moins deux pieces souples en vue de leur assemblage par couture ou analogue
FR8811755 1988-09-08

Publications (2)

Publication Number Publication Date
EP0358547A1 EP0358547A1 (de) 1990-03-14
EP0358547B1 true EP0358547B1 (de) 1993-07-28

Family

ID=9369831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890402342 Expired - Lifetime EP0358547B1 (de) 1988-09-08 1989-08-24 Greif- und Haltevorrichtung für zumindest zwei biegsame Teile, die durch Nähen o.dgl. zusammengefügt werden

Country Status (3)

Country Link
EP (1) EP0358547B1 (de)
DE (1) DE68907826T2 (de)
FR (1) FR2636058B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19529084C2 (de) * 1995-08-08 1999-01-14 Altin Naehtechnik Gmbh Verfahren und Vorrichtung zum Bilden dreidimensionaler Hüllen
DE102015200720B4 (de) 2014-07-02 2021-05-20 Adient Luxembourg Holding S.À R.L. Zuführeinrichtung und Fertigungsvorrichtung zum Vernähen von Zuschnitten gleicher Kontur
CN104724659A (zh) * 2015-03-20 2015-06-24 苏州琼派瑞特电子科技有限公司 一种装枕芯机
DE102015109103B3 (de) * 2015-06-09 2016-09-29 Benteler Automobiltechnik Gmbh Anordnung sowie Verfahren zum Vernähen eines Faserwerkstoffrohlings
CN105129482A (zh) * 2015-07-16 2015-12-09 合肥奥瑞数控科技有限公司 控制式压布器的固定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1460399A (en) * 1922-05-04 1923-07-03 Derby & Co Inc P Art of upholstery
FR994020A (fr) * 1944-12-06 1951-11-09 Dispositif de montage pour la couture des pièces de maroquinerie s'assemblant angulairement

Also Published As

Publication number Publication date
DE68907826D1 (de) 1993-09-02
EP0358547A1 (de) 1990-03-14
DE68907826T2 (de) 1994-02-10
FR2636058B1 (fr) 1990-11-30
FR2636058A1 (fr) 1990-03-09

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