EP0674032A1 - Mécanisme rotatif pour lisières "pas de gaze" pour métier à tisser - Google Patents

Mécanisme rotatif pour lisières "pas de gaze" pour métier à tisser Download PDF

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Publication number
EP0674032A1
EP0674032A1 EP95101460A EP95101460A EP0674032A1 EP 0674032 A1 EP0674032 A1 EP 0674032A1 EP 95101460 A EP95101460 A EP 95101460A EP 95101460 A EP95101460 A EP 95101460A EP 0674032 A1 EP0674032 A1 EP 0674032A1
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EP
European Patent Office
Prior art keywords
rotating disc
leno
support arm
rotary edge
rotary
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
EP95101460A
Other languages
German (de)
English (en)
Other versions
EP0674032B1 (fr
EP0674032B2 (fr
Inventor
Horst Dipl.-Ing. Häussler (FH)
Valentin Krumm
Hans-Joachim Holz
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25934063&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0674032(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19944405778 external-priority patent/DE4405778C2/de
Priority claimed from DE19944405777 external-priority patent/DE4405777C2/de
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Priority to EP97101621A priority Critical patent/EP0777003A2/fr
Priority to DE29521434U priority patent/DE29521434U1/de
Publication of EP0674032A1 publication Critical patent/EP0674032A1/fr
Publication of EP0674032B1 publication Critical patent/EP0674032B1/fr
Application granted granted Critical
Publication of EP0674032B2 publication Critical patent/EP0674032B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/04—Mechanisms having discs oscillating about a weftwise axis and having apertures for warp threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/08—Devices for twisting warp threads repeatedly in the same direction

Definitions

  • the invention relates to a rotary edge turner for weaving machines, by means of which the weft threads are tied at the fabric edges by means of a leno weave.
  • the drive of the edge turner arranged on both sides of the weaving machine next to the edge warp threads takes place in such a way that the rotary disc forming the actual edge rotator is in a rotationally driven connection with a drive wheel via a toothed belt.
  • the drive wheel is non-rotatably connected to and driven by a gear-driven countershaft.
  • the countershaft is in turn connected to the main drive of the weaving machine by a toothed belt.
  • the countershaft is connected to a hollow shaft protruding in the direction of the weaving width adjustment, in which a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
  • Such a drive is expensive, not space-saving, not independent of the main drive and cannot be controlled individually.
  • the rotating disc has external teeth. Furthermore, the rotating disc is rotatably mounted in a bezel-like manner. The leno threads are drawn off from a bobbin winder, which is rotationally driven and operatively connected to the rotating disc, and fed to a guide opening located centrally in the rotating disc.
  • the rotating disc also has two diametrically opposed eyelets in the rotating disc, through which the thread is guided to the weaving point of the fabric.
  • the external toothing of the rotating disc is in engagement with the teeth of a drive gear which drives the rotating coil holder in synchronism with the rotating disc.
  • edge turner In contrast to the prior art, the edge turner should not be separated from the weaving machine for the purpose of changing the article and the edge turner should be readily adaptable to different weaving widths. This is intended to achieve considerable savings in makeready times in the weaving mills.
  • Another object of the invention is to dispense with a separate drive for the holder (carousel) receiving the leno thread bobbins.
  • a separate drive for the holder (carousel) receiving the leno thread bobbins According to the prior art, such a drive is intended to prevent the leno threads from looping around one another in the area of the back pocket. In order to avoid thread breaks, the leno threads must be fed to the rotating disc without twisting.
  • the solution according to the invention is also intended to enable conventional leno coils, so-called king coils, to continue to be used. This guarantees long machine running times, in contrast to the use of satellite rotator coils.
  • the electromotive actuator it is now possible for the first time to control the sequence of movements of the individual edge twists independently of one another and independently of the weaving machine drive. It is conceivable, for example, that the setting of the weft threads can take place depending on the type of the weft thread and that the setting of the weft thread on the side of the weft thread insertion is before the setting of the weft thread on the weft thread arrival side.
  • a controlled reversal of the direction of rotation of the rotating disc which ultimately also includes an oscillating reversal of the direction of rotation, means that there is no need to drive the rotating bobbin holder, because in any case the twists or loops of the leno threads on the way between the rotating bobbins and the rotating disc, caused by a specific one Number of right turns of the rotator disc can be canceled by the same number of left turns of the same rotator disc.
  • a self-contained edge-turning device can also be created, which can be attached individually within the weaving machine and whose functional elements are largely shielded from the fiber fly.
  • this edge turner can be installed as close as possible to the weaving point and between the shaft frame and the healds of the first heald frames, as seen in the opposite direction to the weaving direction, according to the reed.
  • the number of usable heald frames in the direction of the warp beam is therefore not limited by edge turning devices.
  • edge turner Due to the compact design of the edge turner, it is possible to position the edge turner quickly on the changed conditions on the weaving machine in the event of an article change or a weave width adjustment.
  • the rotary edge turner exists according to 1 from a support arm 2, which, for example according to FIG. 2, forms a housing with a clamping part 2a for positive connection to a component 3 of the weaving machine, which component 3 is connected to component 4 and the component 4 with means for adjusting the weaving width communicates.
  • a drive wheel 5 e.g. a gear, from a drive belt 6, e.g. a toothed belt, partially wrapped around and guided on a rotating disc 7.
  • the drive wheel 5 is non-rotatably connected to the armature shaft of an electromotive actuator 20.
  • the support arm 2 forms a three-point bezel bearing with the bearing rollers 8, 9, 10 at one end.
  • the rotating disk 7 is designed, for example, in the manner of a toothed ring and has external teeth (not shown) with which the teeth of the drive belt 6 mesh.
  • the bearing rollers 8,9,10 are rotatably mounted on axes 8a, 9a, 10a. These axes are attached to three points spaced apart from one another on the support arm 2 such that they form the three-point steady rest.
  • the bearing rollers 8, 9, 10 act on one side of the drive belt 6 wrapping around the rotating disk 7 and center the rotating disk 7 in the process.
  • the rotating disc 7 has two slots 7b, 7c, which are arranged symmetrically to the center axis 7a of the rotating disc 7 and are designed in the form of a circular arc.
  • a leno thread 11, 12 supplied by the leno thread bobbins 21, 22 (FIG. 3) is passed through each slot 7b, 7c.
  • rotary edge-turning device shown here is an edge-turning device arranged on the left-hand side of the weaving machine
  • a further edge-turning device is arranged on the right-hand weaving machine side.
  • Both rotary edge rotators are arranged in the area of the free space between the shaft frame, not shown here, and the strands of the first heald frames, which, seen in the weaving direction 30, are located in front of the reed 18.
  • a left-hand rotary edge rotator 1 is also connected to the component 3 via the clamping part 2a by means of a machine element 16.
  • the support arm 2 is designed here as a housing that can be closed with a cover.
  • the weaving machine is merely represented by a sley in the rear end position and a sley 17 in the front weft stop position with reed 18 and an auxiliary blowing nozzle 19 arranged on the sley 17.
  • the axis 21a of the roller 21 tensioning the drive belt 6 is received within a longitudinal guide 22 provided in the housing wall.
  • the belt tension of the drive belt 6 can be adjusted by displacing the roller axis 21a in the longitudinal guide 22.
  • an electrically controllable servomotor 20 as a drive for the rotating disc 7 of the rotary edge rotator 1 allows the weaving machine manufacturer to dispense with a separate rotary drive for the leno thread bobbins 21, 22 because, for example, by programming a number of
  • a servomotor 20 as a drive for the rotary disk 7 also allows the direction of rotation of the rotary disk 7 to drive weft for weft reversibly. In this case too, a separate drive for the rotating coils 21, 22 is not required.
  • a first leno thread spool 31 is rotatably mounted axially parallel to a second leno thread spool 32 within the ring of the edge rotator 1 forming the rotating disc 7.
  • the bearing of the leno thread bobbin 31, 32 is designed in such a way that a certain self-braking effect takes effect when the leno thread is withdrawn, i.e. the leno thread bobbins 31, 32 are not freely rotating. It is thus possible to pull the leno threads 11, 12, which are passed through the eyelets 7b, 7c, from the leno bobbins 31, 32 in the direction of tissue formation 30 as required.
  • weft threads 15 on the fabric edge 23 in the direction of the take-off see also arrow direction 26, from the weaving machine through the leno threads 11, 12 as a single weave (each end of the weft thread 15 is tied) and as Misfiring (after two or three weft entries, the end of the weft thread 15 is tied).
  • FIG. 6 shows another advantageous application variant offered by the rotary edge driver operated by the servomotor, which shows the course of movement 27 of the shedding device with one full revolution of the main loom shaft with shutting down 27a.
  • the intersection points 24 and 25 represent the shed after the entry of a first weft 15 and before the entry of a second weft 15 into the open shed.
  • the selvedge 1 In order to guarantee a correct entry of the weft thread 15 also in the shed of the leno threads 11, 12 and to be able to tie the ends of the inserted weft thread 15 by means of the selvedge 1, it is necessary that the selvedge 1 has a movement path 28 of the leno shed that is adequate for the shed formation guaranteed. This is made possible by a corresponding speed control of the rotary disc 7 by means of the servomotor 20.
  • the course of motion 28 of the leno pocket is shown in the course of movement 27 of the shedding device. During the shutdown 27a, the leno compartment reaches its largest opening. The course of movement 27 coincides in points 29 with the course of movement 28. This point in time represents the optimum for the weft insertion of the weft thread 15 and its guaranteed binding by the leno threads 11, 12.
EP95101460A 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières "pas de gaze" pour métier à tisser Expired - Lifetime EP0674032B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97101621A EP0777003A2 (fr) 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières pas de gaze pour métiers à tisser
DE29521434U DE29521434U1 (de) 1994-02-23 1995-02-03 Rotations-Kantendreher für Webmaschinen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4405777 1994-02-23
DE4405778 1994-02-23
DE19944405778 DE4405778C2 (de) 1994-02-23 1994-02-23 Rotations-Kantendreher zur Verwendung in Webmaschinen
DE19944405777 DE4405777C2 (de) 1994-02-23 1994-02-23 Rotations-Kantendreher einer Webmaschine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP97101621A Division EP0777003A2 (fr) 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières pas de gaze pour métiers à tisser

Publications (3)

Publication Number Publication Date
EP0674032A1 true EP0674032A1 (fr) 1995-09-27
EP0674032B1 EP0674032B1 (fr) 1998-06-10
EP0674032B2 EP0674032B2 (fr) 2004-11-24

Family

ID=25934063

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97101621A Withdrawn EP0777003A2 (fr) 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières pas de gaze pour métiers à tisser
EP95101460A Expired - Lifetime EP0674032B2 (fr) 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières "pas de gaze" pour métier à tisser

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP97101621A Withdrawn EP0777003A2 (fr) 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières pas de gaze pour métiers à tisser

Country Status (4)

Country Link
US (1) US5524678A (fr)
EP (2) EP0777003A2 (fr)
JP (2) JP2688334B2 (fr)
DE (1) DE59502454D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988628A (zh) * 2015-06-06 2015-10-21 李松群 纺织机
CN106835424A (zh) * 2017-04-17 2017-06-13 南通博泰美术图案设计有限公司 纺织机

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548955C1 (de) * 1995-12-28 1996-09-12 Kloecker Entwicklungs Gmbh Vorrichtung zum Bilden einer Dreherkante, insbesondere für schützenlose Webmaschinen
DE19646136C2 (de) * 1996-11-08 1999-05-06 Dornier Gmbh Lindauer Öse, insbesondere einer Dreherscheibe eines Rotations-Kantendrehers
DE19654962A1 (de) * 1996-12-12 1998-06-18 Dornier Gmbh Lindauer Halte- und Positioniereinrichtung für eine Dreherkantenvorrichtung in Webmaschinen
DE19720634C1 (de) * 1997-05-16 1998-10-01 Dornier Gmbh Lindauer Verfahren zum Bilden einer Gewebe- und Fangleiste bei der Herstellung eines Gewebes auf Webmaschinen und Vorrichtung zur Durchführung des Verfahrens
DE19733262A1 (de) * 1997-08-01 1999-02-04 Dornier Gmbh Lindauer Rotations-Kantendreher mit direkt elektromagnetischem Antrieb für Webmaschinen
DE19743872C1 (de) * 1997-10-04 1998-12-17 Kloecker Entwicklungs Gmbh Steuerung für den Elektromotor einer Vorrichtung zum Bilden einer Dreherkante
US20040012937A1 (en) * 2002-07-18 2004-01-22 Kulicke & Soffa Investments, Inc. Method for manufacturing a printed circuit board substrate with passive electrical components
DE10302730A1 (de) * 2003-01-23 2004-08-12 Klöcker-Entwicklungs-Gmbh Vorrichtung zur Regulierung der Fadenspannung eines von einer Garnspule einer Garnspulenhalterung abgezogenen Fadens für eine Dreherkanteneinrichtung
EP2530194B1 (fr) * 2011-06-01 2014-03-05 Groz-Beckert KG Dispositif à lisse pour gaze doté d'une transmission à levier et d'un élément de recouvrement
JP6071391B2 (ja) * 2012-06-13 2017-02-01 津田駒工業株式会社 織機の耳形成装置
JP6295106B2 (ja) * 2014-03-07 2018-03-14 津田駒工業株式会社 織機の運転方法
CN109402829A (zh) * 2018-11-12 2019-03-01 山东日发纺织机械有限公司 电子绞边机构

Citations (7)

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Publication number Priority date Publication date Assignee Title
DE229700C (fr) *
DE2423454A1 (de) * 1973-05-14 1975-04-03 Zbrojovka Vsetin Np Anordnung zum verfestigen einer gewebekante durch eine dreherbindung
DE2515961A1 (de) * 1974-04-11 1976-01-15 Zbrojovka Vsetin Np Vorrichtung zum ausgleich der laenge von bindefaeden in rotationsflechteinrichtungen
US4353396A (en) * 1978-12-11 1982-10-12 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Device for forming a selvedge in a loom
US4412562A (en) * 1980-10-15 1983-11-01 Kabushiki Kaisha Toyoda Jidoshokki Apparatus for forming selvages in weaving machines
JPH0369627A (ja) * 1989-08-04 1991-03-26 Toyota Autom Loom Works Ltd 織機におけるもじり耳形成装置
WO1994029502A1 (fr) * 1993-06-08 1994-12-22 KLÖCKER, Franz Dispositif de formation d'armure de tour (metier a retordre)

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US2676618A (en) * 1950-08-05 1954-04-27 Pfarrwaller Erwin Mechanism for actuating thread twisting means in looms
DE1237509B (de) * 1961-07-05 1967-03-23 Rueti Ag Maschf Leistenvorrichtung an einer Webmaschine
US3945406A (en) * 1974-08-26 1976-03-23 Crompton & Knowles Corporation Leno selvedge device and method of forming a leno selvedge
DE2832131A1 (de) * 1978-07-21 1980-01-31 Nissan Motor Einrichtung zur bildung von warenkanten an einer schuetzenlosen webmaschine
DE3727729A1 (de) * 1987-08-20 1989-03-02 Bayer Ag Thermotrope aromatische polyestercarbonate, ein verfahren zu ihrer herstellung und ihre verwendung
BE1000902A4 (nl) * 1987-09-02 1989-05-09 Picanol Nv Inrichting voor het vormen van een zelfkant aan een weefsel bij weefmachines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE229700C (fr) *
DE2423454A1 (de) * 1973-05-14 1975-04-03 Zbrojovka Vsetin Np Anordnung zum verfestigen einer gewebekante durch eine dreherbindung
DE2515961A1 (de) * 1974-04-11 1976-01-15 Zbrojovka Vsetin Np Vorrichtung zum ausgleich der laenge von bindefaeden in rotationsflechteinrichtungen
US4353396A (en) * 1978-12-11 1982-10-12 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Device for forming a selvedge in a loom
US4412562A (en) * 1980-10-15 1983-11-01 Kabushiki Kaisha Toyoda Jidoshokki Apparatus for forming selvages in weaving machines
JPH0369627A (ja) * 1989-08-04 1991-03-26 Toyota Autom Loom Works Ltd 織機におけるもじり耳形成装置
WO1994029502A1 (fr) * 1993-06-08 1994-12-22 KLÖCKER, Franz Dispositif de formation d'armure de tour (metier a retordre)

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PATENT ABSTRACTS OF JAPAN vol. 15, no. 227 (C - 0839) 10 June 1991 (1991-06-10) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988628A (zh) * 2015-06-06 2015-10-21 李松群 纺织机
CN106835424A (zh) * 2017-04-17 2017-06-13 南通博泰美术图案设计有限公司 纺织机

Also Published As

Publication number Publication date
JPH07252751A (ja) 1995-10-03
EP0777003A3 (fr) 1997-06-25
US5524678A (en) 1996-06-11
JP2688334B2 (ja) 1997-12-10
JP2933889B2 (ja) 1999-08-16
JPH1037037A (ja) 1998-02-10
EP0777003A2 (fr) 1997-06-04
DE59502454D1 (de) 1998-07-16
EP0674032B1 (fr) 1998-06-10
EP0674032B2 (fr) 2004-11-24

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