EP0552349B1 - Verfahren und vorrichtung zum bilden dreidimensionaler hüllen - Google Patents

Verfahren und vorrichtung zum bilden dreidimensionaler hüllen Download PDF

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Publication number
EP0552349B1
EP0552349B1 EP92917061A EP92917061A EP0552349B1 EP 0552349 B1 EP0552349 B1 EP 0552349B1 EP 92917061 A EP92917061 A EP 92917061A EP 92917061 A EP92917061 A EP 92917061A EP 0552349 B1 EP0552349 B1 EP 0552349B1
Authority
EP
European Patent Office
Prior art keywords
carrier body
blank
blanks
frame
edge
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
EP92917061A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0552349A1 (de
Inventor
Philipp Moll
Hans Behrens
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.)
Altin Naehtechnik GmbH
Original Assignee
Moll Automatische Naehsysteme GmbH
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 Moll Automatische Naehsysteme GmbH filed Critical Moll Automatische Naehsysteme GmbH
Publication of EP0552349A1 publication Critical patent/EP0552349A1/de
Application granted granted Critical
Publication of EP0552349B1 publication Critical patent/EP0552349B1/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
    • 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
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00—Use of special elements
    • D05D2207/02—Pneumatic or hydraulic devices
    • 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
    • D10B2505/10—Packaging, e.g. bags

Definitions

  • the invention relates to a method for forming three-dimensional envelopes from blanks according to the preamble of patent claim 1 and a device for carrying out the method according to the preamble of patent claim 4.
  • three-dimensional sleeves that are sewn are produced by laying the blanks to be sewn flat in a sewing machine and passing them under the sewing foot of the sewing machine in a flat state.
  • the edges of the blanks are provided with markings that have to be placed on top of each other.
  • This type of sewing requires a high level of skill. Nevertheless, it is unavoidable that the blanks move against one another during sewing, which results in wave formation and gathering in the casing to be produced.
  • DE 33 38 405 A1 discloses a method for producing three-dimensional casings with seams, in which blanks are attached to a three-dimensional support body and a sewing machine attached to a manipulator arm is moved along the intended seam line. The edges of the blanks are superimposed flat on the carrier body and the needle of the sewing machine is inserted through the edges into the carrier body. This requires the insertion of a loop catcher to create the seam inside the carrier body.
  • DE-A-1660 811 discloses a method for forming three-dimensional envelopes from a plurality of blanks which are sewn at their mutually opposing edges by means of a mower, the blanks being applied to a carrier body which has mutually mutually abutting contact surfaces.
  • the invention is based on the object of specifying a method and a device for forming three-dimensional envelopes which, irrespective of the accuracy of the blanks to be sewn, enable the envelope to be produced with a precise shape.
  • the two blanks are placed on the carrier body in such a way that their edges abut against one another and form an outwardly projecting edge strip.
  • the blanks positioned in this way on the carrier body are sewn along their edges lying at an angle and protruding from the carrier body with at least one sewing machine which creates the seam along the root line. In this way, it is not only possible to position the blanks to be sewn quickly and precisely, but also to produce the seam precisely and free of folds and distortions.
  • edges of the blanks protrude obliquely from the two contact surfaces, ie they form an angle with each of the contact surfaces that is greater than 0 ° and less than 90 °, preferably 45 °.
  • the intended seam line, along which the needle of the sewing machine is guided runs exactly along the root line of the edge strip formed by the mutually opposite edges of the blanks, that is to say along the fold lines of the edges of the blanks.
  • the workpiece produced in this way can then be turned over so that it forms the edge strip adjacent edges of the blanks lie inside the workpiece.
  • the application of the blanks to the carrier body, the sewing and the removal of the sleeves from the carrier body each take place in a different position of the carrier body, the carrier body being moved from one position to the next.
  • the device according to the invention has the features of claim 4.
  • the at least two blanks to be sewn together are placed on the contact surfaces of the carrier body and the sewing machine is guided in such a way that the seam is produced along the root line, in which the first and the second contact surface abut one another.
  • the first blank is clamped in the first application device between a holding plate and a frame.
  • the holding plate forms the blank according to the later shape of this blank on the casing and the frame serves to bend the edge of the blank, so that the usable area of the blank and the edge are already shaped and defined in the holding device.
  • There is a gap between the frame and the holding plate which is adapted to the material thickness of the blank.
  • the holding plate remains on the carrier body while the frame is removed from the carrier body. This has the advantage that the fixation of the first blank to the carrier body is maintained during sewing.
  • the holding plate can be held in place by magnets, by a suction device in the carrier body or in the holding plate, or by another contactless pulling device which is able to pull the holding plate through the blank. It is also possible to hold the holding plate mechanically against the carrier body from the outside after the frame has been withdrawn.
  • the second or further blanks can be applied to the carrier body in the same way as the first blank.
  • the devices for applying the blanks have essentially the same structure.
  • the frame is expediently a closed frame.
  • an open frame in the event that only a part of the circumference of the first blank is to be sewn to the second blank.
  • the frame can therefore also be a straight or curved rod.
  • the blanks are fixed to this carrier body 14 with mutually opposing edges in order to be sewn with a sewing machine 15 which is guided on a manipulator.
  • the casing thus produced is then turned over so that the seams 16 are on the inside.
  • the in Figs. 1 and 2 has a rotatable column 17 on which three arms 18 are attached, each of which carries a support body.
  • the carrier body is in the loading position 14a, in which the blanks can be placed on it.
  • the carrier body reaches the sewing position 14b of the carrier body, in which the sewing machine 15 sews the obliquely projecting edges of the blanks.
  • the carrier body reaches the removal position 14c of the carrier body, in which the finished casing is pulled off.
  • first application devices 20 can engage it from both sides in order to attach the lateral first blanks 11, 12 to first contact surfaces 54 of the carrier body 14.
  • Each of the first application devices 20 can be moved along a rail 21 running parallel to the carrier body.
  • the second blank 13 is placed in the loading position 14a by a second application device 55 on a second contact surface 56 of the carrier body 14.
  • the second application device 55 has two grippers 22, 23, which can be moved on rails 24 and 25 parallel to the longitudinal direction of the carrier body 14 in order to grip the second blank 13 at its ends and to pull it around the circumference of the carrier body and hold it there.
  • the second application device 56 follows the movements of the carrier body along the individual positions 14a, 14b and 14c and holds the blank 13 in firm contact with the contact surface 56, which here is the peripheral surface.
  • the contact surfaces do not necessarily have to be flat.
  • the contact surface 56 is a curved surface here. It is important that the contact surfaces 54 and 56 abut against one another at an angle and form an edge.
  • each first contact device 20 has a slide 26 which can be moved along the rail 21 in question and which carries a horizontal piston-cylinder unit 27.
  • a head piece 28 horizontally movable with the piston-cylinder unit 27 can be moved transversely to the longitudinal direction of the carrier body 14.
  • a support 30 is attached to the head piece 28 via a horizontal axis 29, on which a piston-cylinder unit 31 engages in order to pivot the support 30 between the receiving position shown in FIG. 4 and the delivery position shown in broken lines in FIG. 5.
  • the carrier 30 is an elongated beam which has receiving holes 32 at its ends and a further receiving hole 33 in the middle.
  • the preparation station 34 is arranged at a fixed location along the path of the application device 20.
  • This has a holder 35, which is designed as a support frame and has approximately the shape of the first blank 11 in question.
  • the holder 35 is attached to a lifting device 36 so that it can be raised and lowered.
  • a support plate 37 In the inner free space of the holder 35 there is a support plate 37 which can be moved vertically relative to the holder 35 by a further lifting device 38 or against the force of a spring device.
  • the frame 40 is inserted into the holder 35, which has approximately the contour of the first blank 11.
  • This frame has an upward shoulder 41 as shown in FIG. 4, an inclined shoulder 42 facing the inner shoulder 41 and an outwardly projecting flange 43.
  • a tubular section 44 projects beyond the inner shoulder 41 and forms the rear end of the frame while the Oblique shoulder 42 forms the front end of the frame.
  • the frame 40 is loosely placed in the holder 35 designed as a support frame, being held on the short sides of the holder 35 in a clamp (not shown) and thereby centered.
  • the support plate 37 is located approximately at the level of the inner shoulder 41.
  • the blank 11 is placed on this support plate 37 so that it projects beyond the edge of the support plate and rests on the inner shoulder 41.
  • the frame 40 has two pins 45 projecting to the rear, which penetrate into the receiving holes 32 of the holder and can be locked there with controlled bolts.
  • the holding plate 46 can also be used, which carries a rearwardly projecting pin 47 which can be inserted into the receiving hole 33 of the holder 30 and locked. After the fabric has been pressed into the frame 40, it is taken over into the bores of the holder 30 by the pins 45 and moved upwards together with the holding plate 46 and the fabric 11.
  • the holder 35 with the frame 40 and the support plate 37 is raised by the lifting device 36, the pins 45 penetrating into the receiving holes 32 in order to be locked.
  • the support plate 37 with the blank 11 lying thereon abuts against the holding plate 46 and withdraws under the action of the lifting device 38, as shown in FIG. 5.
  • the edge 11a of the blank 11 bends backwards around the edge of the holding plate 46, whereby it comes to rest on the inner surface of the frame 40. Since the outer diameter of the holding plate 46 is only slightly smaller than the inner diameter of the frame 40, the edge 11a according to FIG. 5 is clamped between the holding plate and the frame.
  • the holding plate and frame are now clamped together on the carrier 30, they remain on this carrier while the holder 35 is lowered by the lifting device 36. Now the carriage 26 is moved along the rail 21.
  • the piston-cylinder unit 31 pivots the carrier 30 about its horizontal axis into the position shown in broken lines in FIG. 5, and the piston-cylinder unit 27 moves the carrier 30 in the direction of the carrier body 14 until the frame 40 in position 40a touches the end face of the carrier body. In this state, the holding plate 46 is still in the frame 40 in order to clamp the blank 11 tight.
  • the second blank 13 is drawn around the carrier body by the grippers 22 and 23. Shortly before the end phase, the grippers 22, 23 assume the positions 22a and 23a shown in dashed lines and in the end phase the ends of the fabric touch.
  • the edge 13a of the second blank 13 projects laterally beyond the carrier body 14 and there it lies against the oblique shoulder 42 of the frame 40.
  • the carrier body 14 contains holding devices 50, which are designed here as electromagnets and which attract the holding plate 46 in the excited state. After both blanks 11 and 13 have been attached to the carrier body, the holding device 50 is activated. At the same time, the locking of the pin 47 of the holding plate on the carrier 30 is released. The holding plate 46 is now held by the holding device 15 on the carrier body 14 through the blank 11, while the frame 40 is removed from the carrier body 14 together with the carrier 30. Since the edge 11a of the first blank 11 is now freed from the constraint of the frame 40, it partially recedes and lies against the edge 13a of the second blank 13. An obliquely protruding edge strip results from the adjacent edges 11a and 13a. The seam is produced along the root line 57 of this edge strip by the sewing machine 15 according to FIG. 1 after the relevant support body has been pivoted into the position 14b according to FIG. 1.
  • the needle 52 of the sewing machine 15 is shown schematically in FIG. 7 in order to clarify at which point the blanks 11, 13 the seam is produced. Both blanks 11 and 13 are placed wrinkle-free and warp-free on the contact surfaces of the carrier body 14 arranged at an angle to one another. The needle 52 is then guided along the intended seam line, which runs precisely along the crease line, which is located at the foot of the web, which is formed by the two opposing edges 11a and 13a of the blanks. If sewing is carried out exactly along this root line 57, that is to say along an edge line of the carrier body 14, the correct seam course of the three-dimensional envelope is produced without the seam causing folds or distortions.
  • the two holding plates 46 are temporarily removed from the carrier body in FIG. 1 in position 14b or in position 14c. Then, in position 14c, the carrier body is telescopically moved laterally, so that its width is reduced and the casing is no longer tightly seated on the carrier body. The loose casing is then removed from the carrier body, if necessary with simultaneous turning of its inside outwards, and the carrier body is moved into position 14a again after the holding plates 46 have been put on again in order to take up new blanks.
  • the frame 40 remains on the carrier 30 of the transfer station 20. This carrier 30 is placed in the vertical position above the preparation station 34 and placed on the holder 35, as shown in FIG. 7.
  • the support plate 46 is then removed from the support body 14 by the support 30, so that the state shown in FIG. 4 again arises, in which a new blank 11 can be placed on the support plate 37 and the frame 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Making Paper Articles (AREA)
EP92917061A 1991-08-14 1992-08-11 Verfahren und vorrichtung zum bilden dreidimensionaler hüllen Expired - Lifetime EP0552349B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4126849 1991-08-14
DE4126849 1991-08-14
DE4225008A DE4225008C1 (enrdf_load_stackoverflow) 1991-08-14 1992-07-29
DE4225008 1992-07-29
PCT/EP1992/001836 WO1993004228A1 (de) 1991-08-14 1992-08-11 Verfahren und vorrichtung zum bilden dreidimensionaler hüllen

Publications (2)

Publication Number Publication Date
EP0552349A1 EP0552349A1 (de) 1993-07-28
EP0552349B1 true EP0552349B1 (de) 1997-05-28

Family

ID=25906345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92917061A Expired - Lifetime EP0552349B1 (de) 1991-08-14 1992-08-11 Verfahren und vorrichtung zum bilden dreidimensionaler hüllen

Country Status (7)

Country Link
US (1) US5379708A (enrdf_load_stackoverflow)
EP (1) EP0552349B1 (enrdf_load_stackoverflow)
JP (1) JP2578725B2 (enrdf_load_stackoverflow)
KR (1) KR950014366B1 (enrdf_load_stackoverflow)
AT (1) ATE153714T1 (enrdf_load_stackoverflow)
DE (1) DE4225008C1 (enrdf_load_stackoverflow)
WO (1) WO1993004228A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108030184A (zh) * 2017-12-06 2018-05-15 天津应大股份有限公司 拉筒用斜条对接方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419700C2 (de) * 1994-06-04 1997-07-17 Moll Automatische Naehsysteme Vorrichtung zur Aufnahme von Werkstücken für Bearbeitungsvorgänge, insbesondere zum Nähen
US5647292A (en) * 1995-03-02 1997-07-15 Juki American, Inc. Sewing apparatus with turntable for holding fabric
DE19527620A1 (de) * 1995-07-28 1997-01-30 Berger Johann Vorrichtung und Verfahren zur Herstellung eines Airbag-Hohlkörpers
DE19529084C2 (de) * 1995-08-08 1999-01-14 Altin Naehtechnik Gmbh Verfahren und Vorrichtung zum Bilden dreidimensionaler Hüllen
DE19617438A1 (de) * 1996-05-02 1997-11-06 Schmale Carl Gmbh & Co Kg Vorrichtung zur Formung und zum Nähen eines Bezuges
US6164226A (en) * 1999-02-12 2000-12-26 Tachi-S Co., Ltd. Method for forming a trim cover assembly of a donut-like or annular headrest for a vehicle seat
US6722300B2 (en) * 2001-02-13 2004-04-20 Phoenix Automation, Inc. Comforter closer apparatus
JP3755659B2 (ja) * 2002-07-16 2006-03-15 株式会社タチエス ミシン用自動送り機構
US6857699B2 (en) * 2002-08-22 2005-02-22 Eagle Ottawa, Llc Head restraint assembly and method for its manufacturing
FR2849353B1 (fr) * 2002-12-30 2005-02-25 Lee Sara Corp Procede et dispositif de manipulation et de traitement pour transformation simultanee de pieces textiles
DE102006003856A1 (de) * 2006-01-25 2007-08-09 Philipp Moll Büro für moderne Nähtechnologie GmbH & Co. KG Verfahren und Vorrichtung zum Bilden von dreidimensionalen biegeschlaffen Gegenständen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220104A (en) * 1977-04-04 1980-09-02 Paramount Textile Machinery Co. Hosiery
GB2094616A (en) * 1981-03-18 1982-09-22 Flude H & Co Hinckley Ltd Spade gusset seaming apparatus
GB2187767A (en) * 1986-02-06 1987-09-16 Silentnight Holdings Plc Sewing covers for divans or matresses
US4989525A (en) * 1990-03-07 1991-02-05 Mario Portilla Sewing apparatus and method for manufacturing vehicular air bags

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8407127A1 (es) * 1982-10-25 1984-08-16 Gerber Scient Inc Aparato para fabricar articulos tridimensionales desde piezas patron de material laminado
US4756261A (en) * 1985-05-06 1988-07-12 The Shenkar College Of Textile Technology And Fashion Automatic sewing system and method
US4784070A (en) * 1985-09-10 1988-11-15 Detexomat Machinery Limited Pantihose manufacture
IT1213862B (it) * 1987-12-11 1990-01-05 Permaflex Spa Apparecchiatura per automatizzare la formazione di un rivestimento sulla carcassa di un materasso
JPH01303190A (ja) * 1988-06-01 1989-12-07 Agency Of Ind Science & Technol 生地支持装置
DE4102840C1 (enrdf_load_stackoverflow) * 1991-01-31 1992-10-15 Philipp 5100 Aachen De Moll
US5163376A (en) * 1991-09-06 1992-11-17 Mim Industries, Inc. Tubular seaming system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220104A (en) * 1977-04-04 1980-09-02 Paramount Textile Machinery Co. Hosiery
GB2094616A (en) * 1981-03-18 1982-09-22 Flude H & Co Hinckley Ltd Spade gusset seaming apparatus
GB2187767A (en) * 1986-02-06 1987-09-16 Silentnight Holdings Plc Sewing covers for divans or matresses
US4989525A (en) * 1990-03-07 1991-02-05 Mario Portilla Sewing apparatus and method for manufacturing vehicular air bags

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
DE-A- 1 660 811 *
DE-A- 2 924 454 *
EP-A- 0 344 400 *
GB-A- 2 094 616 *
GB-A- 2 187 767 *
US-A- 4 220 104 *
US-A- 4 989 525 *
WO-A-92/13986 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108030184A (zh) * 2017-12-06 2018-05-15 天津应大股份有限公司 拉筒用斜条对接方法

Also Published As

Publication number Publication date
KR930703499A (ko) 1993-11-30
WO1993004228A1 (de) 1993-03-04
JP2578725B2 (ja) 1997-02-05
JPH06504224A (ja) 1994-05-19
US5379708A (en) 1995-01-10
ATE153714T1 (de) 1997-06-15
DE4225008C1 (enrdf_load_stackoverflow) 1993-03-18
KR950014366B1 (ko) 1995-11-25
EP0552349A1 (de) 1993-07-28

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