EP0383045A1 - Dispositif d'alignement du bord de l'ouvrage au point de couture - Google Patents

Dispositif d'alignement du bord de l'ouvrage au point de couture Download PDF

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Publication number
EP0383045A1
EP0383045A1 EP90101114A EP90101114A EP0383045A1 EP 0383045 A1 EP0383045 A1 EP 0383045A1 EP 90101114 A EP90101114 A EP 90101114A EP 90101114 A EP90101114 A EP 90101114A EP 0383045 A1 EP0383045 A1 EP 0383045A1
Authority
EP
European Patent Office
Prior art keywords
fabric
sewing
chain
designed
rolling elements
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
Application number
EP90101114A
Other languages
German (de)
English (en)
Other versions
EP0383045B1 (fr
Inventor
Helmut Schips
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.)
Schips AG Nahautomationen
Schips AG Naehautomation
Original Assignee
Schips AG Nahautomationen
Schips AG Naehautomation
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 Schips AG Nahautomationen, Schips AG Naehautomation filed Critical Schips AG Nahautomationen
Publication of EP0383045A1 publication Critical patent/EP0383045A1/fr
Application granted granted Critical
Publication of EP0383045B1 publication Critical patent/EP0383045B1/fr
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
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/10—Edge guides
    • D05B35/102—Edge guide control systems with edge sensors
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2303/00—Applied objects or articles
    • D05D2303/02—Tape

Definitions

  • the invention relates to a device for the lateral alignment of a fabric edge or two fabric edges when sewing -
  • a sensor arrangement that detects the lateral position of the fabric edge transversely to the sewing direction and generates a sensor signal, and a guide device controlled by the sensor signal.
  • the object of the invention is to provide a device for the lateral alignment of a fabric edge when sewing, the - allows an exact alignment of the edge, - Provides practically no resistance to the material transport by the sewing machine, and - leaves the fabric practically free of tension.
  • the position of the fabric edge is detected by the sensor arrangement during sewing.
  • the sensor signal supplied by the sensor arrangement is evaluated as a control signal in order to adjust the fabric web and therefore the fabric edge so that it assumes the desired position.
  • the controlled guide device is used to adjust the fabric web and the fabric edge to the desired position or to hold the fabric web in the correct position.
  • the chain according to the invention equipped with spherical or spherical rolling elements, presses the fabric web against a suitable base, for example against the fabric support plate or an extension of the fabric support plate. Due to the spherical or spherical shape of the rolling elements, a certain lateral play with respect to the sewing direction is possible, but at the same time the fabric web is held on its transport path or regulated on its transport path.
  • a special feature of the invention is the design of the rolling elements as balls, which are lined up on a rope at a short distance.
  • the balls can have a surface quality suitable for the materials to be processed, i.e. have a certain surface roughness, on the one hand to ensure the desired guiding effect of the rolls moving with the transported web of material, but on the other hand also to allow a certain amount of slippage between the balls and the web of material to prevent warping of the web.
  • the arrangement of the chain on two sprockets, the axes of rotation of which run approximately parallel to the material transport direction and approximately perpendicular to the roll axes, permits simple adjustment of the chain and thus simple adjustment of the material web transversely to the sewing direction.
  • the adjusting mechanism preferably contains an electric servomotor which is controlled by the sensor signal or by a signal which is dependent on the sensor signal and which is coupled to the chain wheels via a drive wheel and a drive belt, for example a toothed belt.
  • a contact with the fabric web that hardly affects the material feed and is nevertheless effective is achieved if at least five, but preferably ten or more balls are in contact with the fabric web.
  • the balls have a diameter of about 5 mm, so that they are close together Balls lined up on the endless rope lie in many places on the fabric.
  • a sewing machine shown schematically in FIG. 1 is used to sew a border B onto a fabric sheet S.
  • the outer edge of the border B is to be exactly aligned with the outer edge of the fabric sheet S.
  • the border is guided exactly to the side using suitable guide means.
  • the system contains a sewing machine 4 with a sewing head 6, which carries a fabric pressure foot 8 with which the border B is pressed against the fabric web S, as can be seen from FIG. 2.
  • a section of the fabric web lies on a fabric support part 10 of the sewing car mate on.
  • a guide device 2 is arranged in front of the sewing head for laterally aligning the fabric edge of the fabric S with the sewing head 6 or the sewing needle.
  • a housing 14 of the guide device 2 is slidably mounted on a holder 12 in the direction of the double arrow.
  • the housing 14 can be pressed down against the fabric web S, which in turn rests on an abutment 16, which is designed according to the nature of the fabric web S.
  • a driven roller is particularly recommended as an abutment.
  • the abutment can also be designed as a plate, bracket or the like.
  • the counter pressure applied by the abutment is adjustable.
  • the pressing is done with the help of a chain 18, as indicated in Fig. 2.
  • Fig. 4 shows the guide device 2 in detail.
  • the housing 14 carries two sprockets 22 and 24 on axes of rotation 22A and 24A, around which the chain 18 is guided.
  • the lower run of the chain 18 defines a linear fabric contact section W, in which, in the example shown, ten balls of the chain 18 rest on the outside of the fabric web S.
  • the balls 26 are displaced in the fabric contact section W, with the result that the fabric web S and in particular its fabric edge SK is moved laterally. 3, the material web S moving out of the plane of the drawing is aligned to the left or to the right, so that the fabric edge SK assumes its target position.
  • the actual position of the fabric edge SK must first be determined. This is done with a sensor arrangement 20 which is only indicated in FIGS. 1 and 2 and is shown in detail in FIG. 5 and which has, for example, three light barrier elements 20a, 20b and 20c in the region of the fabric edge SK of the fabric web S.
  • the sensor elements 20a, 20b and 20c are arranged laterally offset with respect to the transport direction (arrow), and their output signals deliver a sensor signal, which can be further processed in a circuit that is not of interest here, to its control signal, which controls an adjustment of the chain 18.
  • a drive wheel 34 is rotatably mounted above the chain wheels 22 and 24, and a toothed belt 36 is guided around the drive wheel 34 and in the rear projections of the chain wheels 22 and 34, which are hidden in FIG. 3. If the drive wheel 34 is rotated to the left or right by an electric servomotor (not shown), the chain wheels 22 and 24 are also rotated via the toothed belt 36, with the result that the chain 18 is adjusted. The balls 26 in particular thus move in the fabric contact section W. As a result, the running fabric web S is laterally displaced.
  • Fig. 4 shows the structure of the chain 18 in detail.
  • a large number of plastic balls are lined up on a plastic rope with a certain elasticity (for example an aramid rope).
  • the plastic balls 26 have a central bore and are alternating with spacer balls 30, which are also made of plastic can, lined up on the plastic rope 28.
  • the through bores 32 of the balls 26 define rolling axes for the balls 26 and are dimensioned such that the balls 26 can rotate with very little frictional resistance.
  • the surfaces of the balls 26 can be slightly roughened in order to achieve an optimal coefficient of friction between the ball surfaces and the material web S.
  • spherical rolling elements can also be provided, for example barrel-shaped elements or the like. It is important that there are no sharp edges on the fabric web S, since the fabric web S could otherwise be distorted by a lateral movement of the chain 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Treatment Of Fiber Materials (AREA)
EP90101114A 1989-02-14 1990-01-19 Dispositif d'alignement du bord de l'ouvrage au point de couture Expired - Lifetime EP0383045B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904385A DE3904385A1 (de) 1989-02-14 1989-02-14 Vorrichtung zum seitlichen ausrichten einer stoffkante beim naehen
DE3904385 1989-02-14

Publications (2)

Publication Number Publication Date
EP0383045A1 true EP0383045A1 (fr) 1990-08-22
EP0383045B1 EP0383045B1 (fr) 1992-11-04

Family

ID=6374046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101114A Expired - Lifetime EP0383045B1 (fr) 1989-02-14 1990-01-19 Dispositif d'alignement du bord de l'ouvrage au point de couture

Country Status (8)

Country Link
US (1) US5054409A (fr)
EP (1) EP0383045B1 (fr)
JP (1) JP2682883B2 (fr)
AT (1) ATE82024T1 (fr)
DE (2) DE3904385A1 (fr)
DK (1) DK0383045T3 (fr)
ES (1) ES2035655T3 (fr)
GR (1) GR3006296T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665317A1 (fr) * 1994-01-19 1995-08-02 Johannes Sahl Mécanisme d'avance pour machines-outils, en particulier machine à coudre
WO1997021864A1 (fr) * 1995-12-12 1997-06-19 Rombold System Gmbh Procede et dispositif pour l'alignement lateral des bords de bandes de materiau plat en deplacement
EP3892767A1 (fr) * 2020-04-09 2021-10-13 3con Anlagebau GmbH Dispositif de manipulation pour bandes de matériau à coudre au moyens d'une machine à coudre
WO2022032279A1 (fr) * 2020-08-04 2022-02-10 SoftWear Automation Inc. Dispositif d'alignement de matière

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4102680A1 (de) * 1991-01-30 1992-08-06 Keiper Kg Naehautomat
JPH0523468A (ja) * 1991-07-25 1993-02-02 Pegasus Sewing Mach Mfg Co Ltd ミシンのテープ縫付け方法及び装置
DE4207183A1 (de) * 1992-03-06 1993-09-09 Schips Ag Vorrichtung zum zufuehren von naehgut, insbesondere mit sich einrollenden kanten
EP0848768B1 (fr) * 1996-06-14 2002-03-20 Patrick Rouleau Dispositif de guidage de materiau a coudre applique au droit du pied-presseur, procede de couture automatique et machine a coudre
DE19814917C2 (de) 1998-04-03 2000-09-21 Texpa Maschinenbau Gmbh & Co K Anlage zum Falten eines Textilbahnabschnitts
US6125777A (en) * 1998-07-20 2000-10-03 Vollebregt; Richard Strip sewing apparatus and method
DE20009773U1 (de) * 2000-06-05 2000-10-12 TEXPA Maschinenbau GmbH & Co. KG, 97633 Saal Vorrichtung zum Transport eines Stoffabschnitts
CN103161043B (zh) * 2013-03-27 2015-04-15 苏州市晨彩纺织研发有限公司 一种珍珠饰物穿针装置
JP6410145B2 (ja) * 2014-12-19 2018-10-24 ヤマトミシン製造株式会社 裾引き縫いミシン
CN107217400A (zh) * 2017-07-03 2017-09-29 远东服装（苏州）有限公司 一种裤腰上橡筋机上的裤料装持机构
CN107764191A (zh) * 2017-11-15 2018-03-06 嘉兴扬鑫机械有限公司 探边器、探边方法及拉宽机
US10895030B1 (en) * 2020-07-01 2021-01-19 Softwear Automation, Inc. Palletless sewing methods and systems
US10988880B1 (en) * 2020-08-04 2021-04-27 Softwear Automation, Inc. Material aligner
CN112376170B (zh) * 2020-12-01 2024-10-01 三康（成都）机械设备有限责任公司 一种汽车内饰件缝纫装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2032918A (en) * 1933-07-07 1936-03-03 Charles C Cutler Method of and apparatus for opening seams
DE2822634A1 (de) * 1977-06-16 1979-04-26 Rationalisierung Konfekt Veb Randkantenfuehrungsvorrichtung
FR2585378A2 (fr) * 1985-07-26 1987-01-30 Inst Textile De France Installation perfectionnee de traitement lineaire d'un bord d'une piece souple telle qu'une piece textile

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109596A (en) * 1977-06-23 1978-08-29 Levi Strauss & Co. Automatic stitching pattern control system for a sewing machine
US4200049A (en) * 1977-06-23 1980-04-29 Levi Strauss & Co. Method for automatic stitching
US4191118A (en) * 1977-06-23 1980-03-04 Levi Strauss & Co. Automatic stitching pattern control system and method for a sewing machine
US4434729A (en) * 1980-12-29 1984-03-06 The Singer Company Continuous monogrammer
US4836119A (en) * 1988-03-21 1989-06-06 The Charles Stark Draper Laboratory, Inc. Sperical ball positioning apparatus for seamed limp material article assembly system
US4813364A (en) * 1988-04-08 1989-03-21 Boser Ronald J Belt drive material feed control apparatus for sewing machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2032918A (en) * 1933-07-07 1936-03-03 Charles C Cutler Method of and apparatus for opening seams
DE2822634A1 (de) * 1977-06-16 1979-04-26 Rationalisierung Konfekt Veb Randkantenfuehrungsvorrichtung
FR2585378A2 (fr) * 1985-07-26 1987-01-30 Inst Textile De France Installation perfectionnee de traitement lineaire d'un bord d'une piece souple telle qu'une piece textile

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665317A1 (fr) * 1994-01-19 1995-08-02 Johannes Sahl Mécanisme d'avance pour machines-outils, en particulier machine à coudre
US5568778A (en) * 1994-01-19 1996-10-29 Sahl; Johannes Apparatus for feeding a workpiece including a rotor and endless belts
WO1997021864A1 (fr) * 1995-12-12 1997-06-19 Rombold System Gmbh Procede et dispositif pour l'alignement lateral des bords de bandes de materiau plat en deplacement
EP3892767A1 (fr) * 2020-04-09 2021-10-13 3con Anlagebau GmbH Dispositif de manipulation pour bandes de matériau à coudre au moyens d'une machine à coudre
WO2021204461A1 (fr) * 2020-04-09 2021-10-14 3Con Anlagenbau Gmbh Dispositif de manipulation pour des bandes de matériau à coudre en utilisant une machine à coudre
WO2022032279A1 (fr) * 2020-08-04 2022-02-10 SoftWear Automation Inc. Dispositif d'alignement de matière
US11499257B2 (en) 2020-08-04 2022-11-15 Softwear Automation, Inc. Material aligner

Also Published As

Publication number Publication date
ES2035655T3 (es) 1993-04-16
DK0383045T3 (da) 1992-11-30
DE59000418D1 (de) 1992-12-10
JPH02249582A (ja) 1990-10-05
DE3904385A1 (de) 1990-08-16
JP2682883B2 (ja) 1997-11-26
GR3006296T3 (fr) 1993-06-21
ATE82024T1 (de) 1992-11-15
EP0383045B1 (fr) 1992-11-04
US5054409A (en) 1991-10-08

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