EP1944400A1 - Robot de couture - Google Patents

Robot de couture Download PDF

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Publication number
EP1944400A1
EP1944400A1 EP08000035A EP08000035A EP1944400A1 EP 1944400 A1 EP1944400 A1 EP 1944400A1 EP 08000035 A EP08000035 A EP 08000035A EP 08000035 A EP08000035 A EP 08000035A EP 1944400 A1 EP1944400 A1 EP 1944400A1
Authority
EP
European Patent Office
Prior art keywords
sewing
transport
sewing machine
station
transport unit
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.)
Withdrawn
Application number
EP08000035A
Other languages
German (de)
English (en)
Inventor
Ingolf Reichenbecher
Jochen Fäth
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.)
Duerkopp Adler AG
Original Assignee
Duerkopp Adler AG
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 Duerkopp Adler AG filed Critical Duerkopp Adler AG
Publication of EP1944400A1 publication Critical patent/EP1944400A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B21/00—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
    • D05B19/16—Control of workpiece movement, e.g. modulation of travel of feed dog
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
    • D05B33/02—Devices incorporated in sewing machines for supplying or removing the work and connected, for synchronous operation, with the work-feeding devices of the sewing machine
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for

Definitions

  • the invention relates to a sewing machine for automatically sewing a first fabric part with a second fabric part.
  • Such sewing machines are known by public prior use. Examples of such sewing machines are those of the types 2110/4, 2111/4, 2112/4 and 2211/4 Beisler GmbH, Hoesbach. Such sewing machines are designed for sewing of different types of Nähgutteil pairs, whereby not only the Nähgutmaschine within a Nähgutteil-pair vary greatly in size, but where very different sizes of workpieces can be used even with different Nähgutteil pairs. Examples of this are the Nähgutteil pairs pocket bag / Taschenbesetz and front trouser part / slot strip. The workpieces differ in particular in their weight, so that they make different demands on their transport in the sewing machine by the two transport units. These different requirements lead either to an undesirable reduction in the process speed or to a high design complexity of the transport units.
  • a generic sewing machine is known from the DE 90 02 008 U1 , From the DE 197 12 421 C1 an automatic sewing machine is known, which has two stepper motors for moving a workpiece holder.
  • the use of a drive motor which is capable of defined transport displacement on the one hand with the sewing speed and on the other hand with the transport speed leads to the possibility of the sewing machines to the different requirements that are put on the transport of different Nähgutteil pairs , optimized to adapt.
  • the transport displacement was always reserved on the one hand in the sewing speed and on the other hand in the transport speed always two separate drives, which brought a correspondingly increased drive effort with it.
  • the invention now uses a drive which is capable of displacement both in the sewing speed and in the transport speed.
  • a stepper motor according to claim 2 allows a defined drive displacement. Exactly the respective position of the displaced transport unit or transport subunit can be tracked over the number of steps, so that, if desired, an intermediate initialization of the position of the transport unit or transport subunit can be dispensed with.
  • a common carrier according to claim 3 reduces the structural complexity of the sewing machine.
  • the transport subunit and the second transport unit can then be relocated with one and the same drive.
  • a toothed belt according to claim 4 leads to a robust and safe drive.
  • Controllable lifting rams according to claim 5 have been found to be gentle and at the same time safe displacement of the workpieces as particularly suitable.
  • Hubstempel numbers according to claims 6 and 7 are well adapted to the function of the transport subunit on the one hand and the second transport unit on the other hand.
  • the triangular arrangement of the lifting ram according to claim 7 ensures a safe displacement of larger pieces of sewing material from the sewing station to the storage station.
  • a programmable drive unit according to claim 8 leads to the possibility of a variable programming of different displacement sequences, adapted to the requirements of the respective automated sewing method.
  • An embodiment according to claim 9 allows in particular a dosage of the contact pressure of the lifting ram.
  • the drive unit is in particular connected to a proportional valve for contact pressure dosing. If the contact pressure is not to be metered, can also be dispensed with a proportional valve.
  • An automatic sewing machine 1 is used for automatically sewing a first fabric part 2, z. B. a pocket bag, with a second fabric part 3, z. B. a bag occupation.
  • the sewing machine 1 has a Ndozensgutauflage 4, to which the two sewing material to be sewn together 2, 3 are placed.
  • the Ndozensgutauflage 4 has a sliding plate 5 with a plurality of vacuum holes 6 (vg1 Fig. 5 ). The latter communicate with a vacuum source for the releasable fixing of the workpiece parts 2, 3 on the sewing material support 4.
  • the loading and preparation station 7 has a supply table 8, on which the workpieces 2, 3 are stacked. Furthermore, the loading and preparation station 7 on the sliding plate 5 has several application marks 9, on which the first workpiece 2 aligned on the sliding plate 5 can be placed.
  • the insertion and preparation station 7 further comprises a loading unit 10 for the second workpiece 3.
  • the insert unit 10 has a stop bar 11, on which the second workpiece 3 can be created. Furthermore, the insertion unit 10 has two spaced-apart Zwickmesser 12. With the latter, if necessary, a seam projection of a seam for sewing the two Nähgutmaschine 2, 3 are cut edge.
  • For loading and preparation station 7 also includes a folding station, not shown in the drawing, which is inserted in the insertion unit 10 to the stop bar 11 second fabric part 3 in a in the Fig. 1 shown Näh-relative position to the first fabric part 2 transferred. In this sewing-relative position, the second workpiece 3 is positioned on the first workpiece 2 so that the two workpiece parts are aligned with respect to a portion 13 of the edge contour of the first workpiece 2.
  • Fig. 1 For the clarification of positional relationships and directions of movement is in the Fig. 1 a Cartesian xyz coordinate system drawn.
  • the x-direction runs in the Fig. 1 perpendicular to the drawing plane.
  • the y-direction runs in the Fig. 1 to the left and the z direction in the Fig. 1 up.
  • a sewing station 14 which has a trained in the usual way sewing machine 15 is used.
  • a first transport unit 16, 16a, 16b of the automatic sewing machine 1 serves to clamp and displace the two workpiece parts 2, 3, both of which are located in the sewing relative position to each other during the transfer, from the loading and preparation station 7 to the sewing station 14. This shift takes place at a transport speed. Furthermore, the first transport unit 16 serves for the displacement of the two workpieces 2, 3 during the sewing process in the sewing station 14, in which the workpieces 2, 3 maintain the sewing relative position, with a sewing speed.
  • the first transport unit 16 has a stapling unit 16a formed in a known manner.
  • the first transport unit 16 additionally includes a transport subunit 16b. The latter is part of a total in the Subunit 16b. The latter is part of a total in the Fig.
  • the transport module 17 has a second transport unit 18. This is used to shift the two sewn together in the sewing station 14 Nähgutmaschine 2, 3 with a further transport speed of the sewing station 14 to a storage station 19 of the Sewing machines 1, which can be displaced in the y-direction sliding table 20 and a displaceable in the x-direction lift table 21 (see. Fig. 7 ) having.
  • the transport sub-unit 16b has two lifting rams 22, which are screwed via a connecting plate 23 with two lifting cylinders 24.
  • the lifting cylinders 24 allow a Hubverlagerung the lifting ram 22 in the x direction.
  • the distance between the two lifting rams 22 in the z-direction to each other can be predetermined and fixed by means of a slot 25 in the connecting plate 23.
  • the two lifting cylinders 24 of the transport subunit 16b are in turn bolted to a bracket 26.
  • the bracket 26 is a common carrier for the transport subunit 16 b and the second transport unit 18.
  • the second transport unit 18 has three lifting rams, of which two lifting rams 27 are offset in positive z-direction relative to the lifting rams 22 of the transport subassembly 16b as the lifting rams 22 are mounted on the bracket 26 via a connecting plate 23 and two lifting cylinders 24.
  • the latter can be prevented by targeted blowing of the workpiece 2, 3 when lifting the lifting ram, especially when lifting the lifting ram 27, an undesirable adhesion of the fabric 2, 3 at the Hubstempeln or eliminated become.
  • the second transport unit 18 still has the third Hubstempel 29.
  • the latter is mounted on a cantilever plate 30 which is screwed to the connecting plate 23.
  • the cantilever plate 30 extends obliquely both in the y-direction and in the z-direction, so that the Aufsetzthe two lifting rams 27 and the third Hubstempels 29 specify the corners of a triangle.
  • the lifting rams 22, 27, 29 can each be displaced by means of the lifting cylinders 24 between an operating position lowered onto the sewing material support 4 and a rest position raised from the sewing material support 4.
  • the bracket 26 is mounted on a carriage 31 of a linear guide 32.
  • the linear guide 32 allows a guided displacement movement of the carriage 31 in the z direction.
  • the carriage 31 is driven by a drive motor 33, which is designed as a stepper motor.
  • the stepping motor 33 and the lifting cylinder 24 are controlled by a central control device, not shown, of the sewing machine 1.
  • This central control device or drive unit is programmable.
  • For power transmission between the stepping motor 33 and the carriage 31 is a toothed belt 34.
  • the latter runs around pulleys 35, of which only one is visible in the drawing and rotate about axes parallel to the x-axis.
  • the deflection rollers 35 are mounted on the linear guide 32.
  • a reference switch 36 is arranged at the motor end of the linear guide 32. This serves to initialize the z-position of the carriage 31 on the linear guide 32nd
  • the linear guide 32 is mounted on a support frame 37, which is supported on a frame of the automatic sewing machine 1.
  • Fig. 1 shows the instantaneous position in which the alignment of the two Nähgutmaschine 2, 3 is completed in the sewing relative position to each other.
  • Fig. 4 shows the situation in which the staple unit 16a has lowered to a transfer position in which it firmly clamps the fabric part 3 on the fabric part 2, so that in the subsequent displacement both fabric pieces 2, 3 maintain their relative position to each other.
  • Fig. 5 shows the instantaneous position during the sewing of the two Nähgutmaschine 2, 3 with the sewing machine 15. Until the completion of sewing, the transport module 17 is still inactive.
  • the lifting cylinder 24 of the second transport unit 18 in the in the Fig. 5 shown z-position of the second transport unit 18 is activated, so that the lifting rams 27, 29 of the second transport unit 18 from the rest position to the operating position on the sewn together workpiece parts 2, 3 lower.
  • the staple unit 16a now lifts off from the workpiece parts 2, 3.
  • the second transport unit 18 now moves, driven by the stepping motor 33, with respect to the sewing speed of high transport speed to a programmed z-position on the sliding table 20, which in the Fig. 6 is shown.
  • the sliding table 20 is displaced in the negative y-direction and the sewn together sewing parts 2, 3 fall from the Hubstempeln 27, 29 and in the positive x-direction on the lifting table 21. This is in the Fig. 7 shown.
  • the lifting rams 27, 29 of the second transport unit 18 are retracted again and the second transport unit 18 moves, driven by the stepping motor 33, with high transport speed again in the in the Fig. 1 shown starting position back.
  • the transport subunit 16b of the transport module 17 remains inactive. Since the transport subassembly 16b is fixedly connected to the second transport unit 18 via the holding bracket 26, it moves passively with it during the sewing process.
  • Fig. 9 again shows the position at which the two workpieces 2, 3 are present in their sewing relative position to each other.
  • the front trouser part 2 has been aligned by means of a laser line 38, with which the sliding plate 5 is illuminated and which runs parallel to the z-direction.
  • the fabric part 3 is before being taken over by the folding station, not shown, the loading and preparation station 7 with in the Fig. 9 upper Zwickmesser 12 cut at the edge.
  • the Nähgutauflage 4 has two such Zwickmesser 39 at the same z-height as the two Zwickmesser 12th
  • Fig. 10 shows the situation immediately after lowering the lifting ram 22 on the first workpiece 2 and before introducing the acceleration in the transport speed.
  • Fig. 11 shows the situation during the sewing of the two Nähgutmaschine 2, 3 with the sewing machine 15.
  • the first fabric part 2 does not pull out of the staple unit 16a.
  • the synchronous movement of the transport subunit 16b with the stapling unit 16a ensures that a high-quality and precisely positioned seam for sewing the two workpiece parts 2, 3 is produced. Start and end points of the seam follow a programmed sequence, controlled by the central control device.
  • the lifting cylinders 24 of the transport subunit 16b are activated and the lifting rams 22 lift off the first workpiece 2.
  • the staple unit 16a also lifts off the workpiece parts 2, 3.
  • the sewed together sewing material parts 2, 3 are blown out by a not visible in the drawing air nozzle, the function of the second transport unit for moving the two Nähgutmaschine 2, 3 from the sewing station 14 to a tray or to the storage station 19 in this automated sewing method ,
  • the second transport unit 18 remains inactive and is only moved passively with the transport subunit 16b.
  • the transport module 17 thus has the function of a second transport unit for moving the two Nähgutmaschine of the sewing station 14 to the storage station 19 and the second automated sewing method shown above, the function of a subunit of the first transport unit 16 for moving the two workpieces 2 in the first automated sewing method shown above 3 in the sewing relative position from the loading and preparation station 7 to the sewing station 14.
  • the displacement of the transport module 17 in the first sewing process with the transport speed which is at least 10 times as large as the displacement during sewing in the second sewing method with the sewing speed.
  • the transport speed is about 1 m / s.
  • the sewing speed is about 5 to 7 cm / s.
  • the different displacement speeds are provided by the drive motor 33.
  • the central control device controls the lifting cylinders 24 for metering the contact pressure in the operating position of the lifting rams 22, 27, 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sewing Machines And Sewing (AREA)
EP08000035A 2007-01-11 2008-01-03 Robot de couture Withdrawn EP1944400A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007001666.4A DE102007001666B4 (de) 2007-01-11 2007-01-11 Nähautomat

Publications (1)

Publication Number Publication Date
EP1944400A1 true EP1944400A1 (fr) 2008-07-16

Family

ID=39312969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08000035A Withdrawn EP1944400A1 (fr) 2007-01-11 2008-01-03 Robot de couture

Country Status (5)

Country Link
EP (1) EP1944400A1 (fr)
JP (1) JP5124289B2 (fr)
KR (1) KR20080066567A (fr)
CN (1) CN101220547B (fr)
DE (1) DE102007001666B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3156533A4 (fr) * 2014-06-11 2018-01-10 Orisol Asia Ltd. Système de positionnement de machine à coudre commandée par ordinateur intégré à un dispositif de traitement, et procédé de positionnement associé
CN107574589A (zh) * 2017-09-29 2018-01-12 广东溢达纺织有限公司 缝腰褶裁片收料机构

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5312135B2 (ja) 2009-03-26 2013-10-09 Ｊｕｋｉ株式会社 ミシンの玉布供給装置
CN102146618A (zh) * 2009-12-03 2011-08-10 上海贵衣缝纫设备有限公司 自动贴袋机的送料传动机构
CN102086569B (zh) * 2009-12-03 2012-11-28 上海贵衣缝纫设备有限公司 自动贴袋机的y向传动机构
CN102286852B (zh) * 2011-07-21 2013-04-10 台州拓卡奔马机电科技有限公司 用于缝纫机上的自动送料系统
CN102433692B (zh) * 2011-08-10 2014-07-02 新杰克缝纫机股份有限公司 缝纫机的自动送料装置
JP5965649B2 (ja) * 2012-01-18 2016-08-10 Juki株式会社 型板移動装置、及びポケットセッター
CN104044963B (zh) * 2014-05-27 2016-05-04 苏州巨康缝制机器人有限公司 一种前端送料联动装置
CN105297292B (zh) * 2014-06-11 2018-07-03 欧利速精密工业股份有限公司 结合加工装置的电脑控制缝纫机定位系统及其定位方法
DE202015102109U1 (de) * 2015-04-28 2016-08-01 Dürkopp Adler AG Nähanlage
DE202015102104U1 (de) * 2015-04-28 2016-08-01 Dürkopp Adler AG Nähanlage
JP2017192512A (ja) * 2016-04-19 2017-10-26 ブラザー工業株式会社 ミシン
KR20220028657A (ko) 2020-08-31 2022-03-08 (주)로봇앤비욘드 두 겹의 원단을 곡선을 따라 합봉할 수 있는 봉제 제어 로봇

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2142911A1 (fr) * 1971-06-23 1973-02-02 Singer Co
DE9002008U1 (de) 1989-05-30 1990-04-26 Dürkoppwerke GmbH, 4800 Bielefeld Nähautomat mit einer Transportvorrichtung
US5123367A (en) 1989-11-03 1992-06-23 Oxford Industries, Inc. Method and apparatus for forming and stacking a folded sewn ply such as a V-top shirt pocket
EP0627518A1 (fr) * 1993-06-04 1994-12-07 JAM - S.r.l. Procédure automatique pour coudre des poches rapportées pré-repassées
US5443024A (en) * 1993-10-26 1995-08-22 Union Underwear Company, Inc. Pocket hemmer
US5584258A (en) * 1994-12-23 1996-12-17 Ideal Equipment Company, Ltd. Semi-automatic pocket and pocket flap setter
DE19712421C1 (de) 1997-03-25 1998-02-26 Pfaff Ag G M Verfahren und Vorrichtung zur genauen Bestimmung des Nadel-Nullpunktes der Nähmaschine eines Nähautomaten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147382U (ja) * 1984-03-09 1985-09-30 ジューキ株式会社 自動縫製装置の布押え装置
JPH0710313B2 (ja) * 1992-01-22 1995-02-08 福山ミシン産業株式会社 自動縫い装置
JP2840030B2 (ja) * 1994-07-19 1998-12-24 ジューキ株式会社 ミシンの被縫製物移動装置
JPH1190076A (ja) * 1997-09-18 1999-04-06 Shingaa Nikko Kk ミシンの布押え駆動装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2142911A1 (fr) * 1971-06-23 1973-02-02 Singer Co
DE9002008U1 (de) 1989-05-30 1990-04-26 Dürkoppwerke GmbH, 4800 Bielefeld Nähautomat mit einer Transportvorrichtung
US5123367A (en) 1989-11-03 1992-06-23 Oxford Industries, Inc. Method and apparatus for forming and stacking a folded sewn ply such as a V-top shirt pocket
EP0627518A1 (fr) * 1993-06-04 1994-12-07 JAM - S.r.l. Procédure automatique pour coudre des poches rapportées pré-repassées
US5443024A (en) * 1993-10-26 1995-08-22 Union Underwear Company, Inc. Pocket hemmer
US5584258A (en) * 1994-12-23 1996-12-17 Ideal Equipment Company, Ltd. Semi-automatic pocket and pocket flap setter
DE19712421C1 (de) 1997-03-25 1998-02-26 Pfaff Ag G M Verfahren und Vorrichtung zur genauen Bestimmung des Nadel-Nullpunktes der Nähmaschine eines Nähautomaten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3156533A4 (fr) * 2014-06-11 2018-01-10 Orisol Asia Ltd. Système de positionnement de machine à coudre commandée par ordinateur intégré à un dispositif de traitement, et procédé de positionnement associé
CN107574589A (zh) * 2017-09-29 2018-01-12 广东溢达纺织有限公司 缝腰褶裁片收料机构

Also Published As

Publication number Publication date
CN101220547B (zh) 2012-11-21
KR20080066567A (ko) 2008-07-16
JP5124289B2 (ja) 2013-01-23
DE102007001666A1 (de) 2008-07-24
DE102007001666B4 (de) 2014-08-07
JP2008168131A (ja) 2008-07-24
CN101220547A (zh) 2008-07-16

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