EP0552349A1 - Verfahren und vorrichtung zum bilden dreidimensionaler hüllen. - Google Patents
Verfahren und vorrichtung zum bilden dreidimensionaler hüllen.Info
- Publication number
- EP0552349A1 EP0552349A1 EP92917061A EP92917061A EP0552349A1 EP 0552349 A1 EP0552349 A1 EP 0552349A1 EP 92917061 A EP92917061 A EP 92917061A EP 92917061 A EP92917061 A EP 92917061A EP 0552349 A1 EP0552349 A1 EP 0552349A1
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000009958 sewing Methods 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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 5.
- three-dimensional envelopes that are sewn are produced by laying the blanks to be sewn flat in a sewing machine and passing them under the sewing machine in the 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 cannot be avoided that the blanks move against each other during sewing, which results in wave formation and gathering in the casing to be produced.
- the performance capabilities of the sewing machine are utilized by the relatively slow manual control not be ⁇ .
- DE 33 38 405 A1 discloses a method for producing three-dimensional envelopes with seams, in which blanks are fastened to a three-dimensional carrier body and a sewing machine fastened to a manipulated crystal is moved along the provided seam line. The edges of the blanks are placed flat on top of one another 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 support body.
- the invention is based on the object of specifying a method and a device for forming three-dimensional sheaths which, independently of the accuracy of the blanks to be sewn, enable the sheath to be produced with a precise shape.
- This object is achieved according to the invention / 3 with the features specified in claim 1 or in claim 5.
- 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 at least one sewing machine along their edges lying at an angle and protruding from the carrier body and 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 opposing 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.
- the contiguous 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 5.
- 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 contact 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. Cut 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 fits the material thickness of the blank.
- the holding plate a carrier body remains 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 non-contact 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 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.
- 1 is a schematic plan view of a device for sewing three-dimensional envelopes
- FIG. 2 shows a schematic side view of the device according to FIG. 1,
- FIG. 3 shows a schematic section along the line III-III of FIG. 2 to illustrate the two first blanks which are gripped by the holding devices in order to be attached to the carrier body, and the second blank which is shown in FIG is then pulled around the carrier body,
- Fig. 6 is a section along the line VI-VI of Fig. 5 and
- sleeves 10 are to be sewn for the armrests of motor vehicles, with two first cuts 11, 12 the end walls of the form the finished casing, while a second blank 13 forms the peripheral wall of the casing and each of its edges is sewn to the edge of one of the first blanks 11, 12.
- 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 device has a rotatable column 17, on which three arms 18 are attached, each of which carries a carrier 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 make the lateral first cuts 11, 12 on 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 placement 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 pull it around the periphery 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 it 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 here a curved surface. It is important that the contact surfaces 54 and 56 abut 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 bar 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 relevant first blank 11.
- 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 inner shoulder 41 directed upward according to FIG. 4, an inclined shoulder 42 facing the inner shoulder 41 and a flange 43 projecting outwards.
- a tubular section 44 projects beyond the inner shoulder 41 and extends over the rear end of the frame forms while the sloping 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 in such a way that it protrudes 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 inserted, which carries a pin 47 projecting to the rear, which can be inserted into the receiving hole 33 of the holder 30 and locked.
- 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 shark 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.
- 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 dash-dotted 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 the position 40a the end face touches the support body.
- the holding plate 46 is still in the frame 40 in order to clamp the blank 11 tight.
- the grippers 22 and 23 pull the second blank 13 according to FIG. 6 around the carrier body.
- 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 when excited. 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 by the sewing machine 15 according to FIG. 1 along the root line 57 of this edge strip after the relevant support body has been pivoted into 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 on the contact surfaces of the carrier body 14, which are arranged at an angle relative to one another, without creases and distortion. 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 the position 14b or in the 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 back into position 14a after the holding plates 46 have been put on again in order to take up new cuts.
- 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 sheath plate 46 is then removed from the carrier body 14 by the carrier 30, so that the state shown in FIG. 4 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)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4126849 | 1991-08-14 | ||
DE4126849 | 1991-08-14 | ||
DE4225008A DE4225008C1 (de) | 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 true EP0552349A1 (de) | 1993-07-28 |
EP0552349B1 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 (de) |
EP (1) | EP0552349B1 (de) |
JP (1) | JP2578725B2 (de) |
KR (1) | KR950014366B1 (de) |
AT (1) | ATE153714T1 (de) |
DE (1) | DE4225008C1 (de) |
WO (1) | WO1993004228A1 (de) |
Families Citing this family (12)
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 |
CN108030184B (zh) * | 2017-12-06 | 2019-10-15 | 天津应大股份有限公司 | 拉筒用斜条对接方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1660811A1 (de) * | 1966-10-10 | 1971-05-27 | Guenther Blauw | Vorrichtung zum Zusammennaehen der Breit- und Schmalstuecke als Teile eines hohlquaderfoermigen Bezuges aus Stoff |
US4220104A (en) * | 1977-04-04 | 1980-09-02 | Paramount Textile Machinery Co. | Hosiery |
IT1161402B (it) * | 1978-07-07 | 1987-03-18 | Solis Srl | Metodo per applicare un tassello a manufatti in genere come calze-mutande tubolari da signora e simili e macchina per attuare detto netodo |
GB2094616B (en) * | 1981-03-18 | 1985-04-17 | Flude H & Co Hinckley Ltd | Spade gusset seaming apparatus |
ES526144A0 (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 |
GB8602949D0 (en) * | 1986-02-06 | 1986-03-12 | Silentnight Holdings Plc | Sewing of covers |
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 |
US4989525A (en) * | 1990-03-07 | 1991-02-05 | Mario Portilla | Sewing apparatus and method for manufacturing vehicular air bags |
DE4102840C1 (de) * | 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 |
-
1992
- 1992-07-29 DE DE4225008A patent/DE4225008C1/de not_active Expired - Fee Related
- 1992-08-10 KR KR1019930701116A patent/KR950014366B1/ko not_active IP Right Cessation
- 1992-08-11 WO PCT/EP1992/001836 patent/WO1993004228A1/de active IP Right Grant
- 1992-08-11 AT AT92917061T patent/ATE153714T1/de not_active IP Right Cessation
- 1992-08-11 US US08/039,166 patent/US5379708A/en not_active Expired - Fee Related
- 1992-08-11 EP EP92917061A patent/EP0552349B1/de not_active Expired - Lifetime
- 1992-08-11 JP JP5504084A patent/JP2578725B2/ja not_active Expired - Lifetime
Non-Patent Citations (9)
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 * |
See also references of WO9304228A1 * |
US-A- 4 220 104 * |
US-A- 4 989 525 * |
WO-A-92/13986 * |
Also Published As
Publication number | Publication date |
---|---|
KR930703499A (ko) | 1993-11-30 |
WO1993004228A1 (de) | 1993-03-04 |
JPH06504224A (ja) | 1994-05-19 |
DE4225008C1 (de) | 1993-03-18 |
US5379708A (en) | 1995-01-10 |
JP2578725B2 (ja) | 1997-02-05 |
ATE153714T1 (de) | 1997-06-15 |
KR950014366B1 (ko) | 1995-11-25 |
EP0552349B1 (de) | 1997-05-28 |
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