EP0674032B2 - 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
EP0674032B2
EP0674032B2 EP95101460A EP95101460A EP0674032B2 EP 0674032 B2 EP0674032 B2 EP 0674032B2 EP 95101460 A EP95101460 A EP 95101460A EP 95101460 A EP95101460 A EP 95101460A EP 0674032 B2 EP0674032 B2 EP 0674032B2
Authority
EP
European Patent Office
Prior art keywords
leno
disc
support arm
bearing
drive
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
EP95101460A
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German (de)
English (en)
Other versions
EP0674032A1 (fr
EP0674032B1 (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(B2) "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 DE29521434U priority Critical patent/DE29521434U1/de
Priority to EP97101621A priority patent/EP0777003A2/fr
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 by a lathe weave the weft threads were tied at the fabric edges become.
  • This arrangement consists of a rotary driven rotating disc, the geometric center axis of which is parallel to the weft direction of the weaving machine and the rotating disc is driven at the same speed as the bobbin holder carrying the rotating bobbins.
  • the rotating disc has two slots for the leno threads arranged symmetrically to its central axis.
  • the drive on both sides of the weaving machine next to the edge warp threads is carried out in such a way that the rotary disc forming the actual edge rotator is connected via a toothed belt to a drive wheel in a rotationally driven connection.
  • the drive wheel is non-rotatably connected to and driven by a gear-driven countershaft. exaggerated.
  • the countershaft is in turn connected to the main drive of the weaving machine by a toothed belt.
  • Such a drive is expensive, not space-saving, not independent of the main drive and not individually controllable.
  • JP 03 069 627 A is a satellite driver a drive independent of the machine drive known.
  • 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 wrench, 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 here with the teeth of a drive gear which drives the rotating coil holder in synchronism with the rotating disc.
  • Another object of the invention is on a separate drive for the leno bobbins waiving receiving holder (carousel).
  • a separate drive is said to be according to the prior art prevent the leno threads in the area of Wrap around each other. About thread breaks To avoid this, the leno threads must be untwisted be fed to the rotating disc.
  • the solution according to the invention also enable that conventional rotating coils, so-called king coils, can continue to be used. That is long Machine run times, in contrast to use of satellite rotating coils.
  • the electromotive actuator it is now possible for the first time to control the sequence of movements of the individual edge turning machines 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.
  • Rotary disc including ultimately an oscillating one Reversal of the direction of rotation can be understood on the Drive of the rotating coil holder can be dispensed with, because in every case the twists or loops the leno threads on the way between the Rotary coils and the rotating disc through a certain number of right turns Rotary disc, by the same number of left turns the same rotating disc, picked up again become.
  • 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 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 against the weaving direction, according to the reed. This means that the number of usable heald frames in the direction of the warp beam is not limited by edge turning devices.
  • edge turner Due to the compact design of the edge turner is in the event of an article change or a weave width adjustment a quick positioning of the edge turner to the changed conditions on the Weaving machine possible.
  • Rotary edge rotator within the first Heald frames before the reed clearly show that the Rotation of the leno threads when using a rotary edge turner is only about 80 mm during the Twist threads with a satellite twist a stroke of have to run about 180 mm to get a sufficient To achieve leno thread opening.
  • the rotary edge turner exists according to Fig. 1 from a support arm 2 which e.g. a housing according to FIG with a clamping part 2a for a positive connection with 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 support arm 2 which e.g. a housing according to FIG with a clamping part 2a for a positive connection with 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 on one Rotary disc 7 out.
  • the drive wheel 5 is non-rotatable with the armature shaft of an electromotive actuator 20 connected.
  • 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 fastened at three points spaced apart from one another on the support arm 2 in such a way 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 loom is just through a sley located in the rear end position and one in the front weft stop position located drawer 17 with reed 18 and an auxiliary blowing nozzle arranged on the sley 17 19 shown.
  • the drive wheel 5 which on the upper part of the Support arm 2 is added, stands with an electric controllable servomotor 20 in operative connection.
  • the axis 21a of the drive belt 6 exciting Roller 21 is within one in the housing wall existing longitudinal guide 22 added. By Displacement of the roller axis 21 a in the longitudinal guide 22, the belt tension of the drive belt 6 is adjustable.
  • an electrically controllable Actuator 20 as a drive for the rotator 7 of the Rotary edge rotator 1 allows the weaving machine manufacturer on a separate rotary drive to waive for the leno thread bobbins 21,22 because z. B. by programming a number of rotations of the servomotor 20 and thus by a fixed Number of revolutions of the rotating disc 7 in the one direction and by the same number of revolutions a loop in the opposite direction the leno threads fed from the rotator bobbins 21, 22 11.12 no longer occurs in the rear compartment.
  • a servomotor 20 as a drive for the rotating disc 7 also allows the direction of rotation of the rotating disc 7 to drive weft for weft reversibly. In this case too, a separate drive for the rotating coils 21, 22 is not required.
  • Fig. 4 is within that forming the rotary disc 7 Wreath of the edge turner 1 a first leno bobbin 31 axially parallel to a second leno bobbin 32 pivoted.
  • the storage of the leno bobbin 31.32 is designed so that when Leno thread withdrawal a certain self-braking effect takes effect, i.e. the leno thread bobbins are 31, 32 not freely rotating. It is possible to use the leno threads 11, 12, which are guided through the eyelets 7b, 7c, as required from the rotating coils 31, 32 in the direction Subtract tissue formation 30.
  • each weft 15 is tied off by the leno threads 11, 12 or there are binding misfires, ie a leno weave is brought about after two or three weft thread entries. Such a leno edge is shown in FIG. 5.
  • weft threads 15 on the fabric edge 23 in the direction of the goods 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 a binding misfire (after two or three weft entries there is one Bonding of the end of the weft thread 15) is shown.
  • FIG. 6 shows another advantageous application variant which the servomotor-operated rotary edge rotator offers.
  • the course of movement 27 of the shedding device is shown with one complete revolution of the main loom shaft with shutting down 27a.
  • the intersections 24 and 25 represent the closing of the shed after the entry of a first weft 15 and before the entry of a second weft 15 in the open shed.
  • the selvedge 1 In order to guarantee a correct entry of the weft thread 15 into the shed of the leno threads 11, 12 and to be able to tie off 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 lathe compartment 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.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (9)

  1. Mécanisme rotatif (1) de torsion pour lisières "pas de gaze" pour métier à tisser, constitué d'un disque de mécanisme de torsion (7) pas de gaze positionné afin d'être actionné par rotation par un bras de support (2) et muni de préférence d'une denture extérieure avec deux oeillets ou encoches (7b, 7c) en forme d'arc de cercle symétrique autour de l'axe (7a) pour guider un fil de mécanisme de torsion pas de gaze (11, 12), la distance du disque de mécanisme de torsion (7) pas de gaze par rapport au point de liaison (13) du tissu (14) à tisser étant fixée au minimum nécessaire et le disque de mécanisme de torsion (7) est relié avec entraínement par rotation au moyen d'une roue d'entraínement (5) incorporée au bras de support (2) grâce à un moyen de transmission d'entraínement comme une courroie crantée (6) et le bras de support (2) présente un support portant le disque de mécanisme de torsion, caractérisé en ce que la roue d'entraínement (5) est reliée à un mécanisme réglant électromotorisé pouvant être commandé, dont le sens de rotation peut être inversé sur commande pendant le processus de tissage, solidaire en rotation avec son arbre d'ancrage, lequel est disposé indépendamment de l'entraínement du métier à tisser et du mécanisme rotatif de torsion (1) entre le cadre des lisses et les lisses de la première lame à l'opposé du sens de tissage après le peigne.
  2. Mécanisme rotatif de torsion pour lisière pas de gaze selon la revendication 1, caractérisé par le fait que le disque de mécanisme de torsion pas de gaze (7) est constitué d'une couronne présentant une denture extérieure.
  3. Mécanisme rotatif de torsion pour lisières pas de gaze (1) selon la revendication 1, caractérisé par le fait
    que le disque de mécanisme de torsion pas de gaze (7) forme une couronne présentant une denture extérieure et
    qu'à l'intérieur de la couronne une première et une seconde bobine de mécanisme de torsion pas de gaze (31, 32) sont portées, avec liberté de rotation et auto-freinage, de façon que chaque bobine de mécanisme de torsion pas de gaze (31, 32) libère le fil de mécanisme de torsion pas de gaze en fonction des besoins.
  4. Mécanisme rotatif de torsion pour lisières pas de gaze, selon les revendications 1 et 3, caractérisé par le fait que la portée du disque de mécanisme de torsion pas de gaze (8, 8a, 9, 9a, 10, 10a) forme une portée à trois points du type lunette.
  5. Mécanisme rotatif de torsion pour lisières pas de gaze selon les revendications 1 et 3, caractérisé par le fait que la portée du disque de mécanisme de torsion pas de gaze forme une portée à deux points et qu'une courroie d'entraínement (6) exerce la fonction d'un troisième palier.
  6. Mécanisme rotatif de torsion pour lisières pas de gaze selon les revendications 1 et 3, caractérisé par le fait que le bras support (2) forme, à l'extrémité opposée au disque de mécanisme de torsion pas de gaze (7), une bride (2a) pour la liaison réglable, du bras support (2) avec un composant (3) adaptable à la largeur de la duite du métier à tisser.
  7. Mécanisme rotatif de torsion pour lisières pas de gaze (1) selon la revendication 1, caractérisé par le fait que le bras support (2) forme un carter dans lequel sont disposés la roue d'entraínement (5) et le disque de mécanisme de torsion pas de gaze (7) et dans lequel le carter peut être obturé avec un couvercle de carter.
  8. Mécanisme rotatif de torsion pour lisières pas de gaze selon la revendication 7, caractérisé par le fait que l'intérieur du carter se trouve sous une légère surpression.
  9. Mécanisme rotatif de torsion pour lisières pas de gaze selon la revendication 7, caractérisé par le fait que le carter est une pièce de fonderie fine.
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
DE29521434U DE29521434U1 (de) 1994-02-23 1995-02-03 Rotations-Kantendreher für Webmaschinen
EP97101621A EP0777003A2 (fr) 1994-02-23 1995-02-03 Mécanisme rotatif pour lisières pas de gaze pour métiers à tisser

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4405777 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
DE4405778 1994-02-23

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 EP0674032A1 (fr) 1995-09-27
EP0674032B1 EP0674032B1 (fr) 1998-06-10
EP0674032B2 true 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)

Families Citing this family (14)

* 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
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
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

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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
CS160168B1 (fr) * 1973-05-14 1975-03-28
CS167129B1 (fr) * 1974-04-11 1976-04-29
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DE2832131A1 (de) * 1978-07-21 1980-01-31 Nissan Motor Einrichtung zur bildung von warenkanten an einer schuetzenlosen webmaschine
CS242860B2 (en) * 1978-12-11 1986-05-15 Toyoda Automatic Loom Works Weaving machine
JPS5771459A (en) * 1980-10-15 1982-05-04 Toyoda Automatic Loom Works Abnormality detecting apparatus of ear yarn in ear molding apparatus of loom
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
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)

Also Published As

Publication number Publication date
EP0674032A1 (fr) 1995-09-27
JPH1037037A (ja) 1998-02-10
EP0674032B1 (fr) 1998-06-10
JPH07252751A (ja) 1995-10-03
JP2933889B2 (ja) 1999-08-16
EP0777003A3 (fr) 1997-06-25
US5524678A (en) 1996-06-11
EP0777003A2 (fr) 1997-06-04
DE59502454D1 (de) 1998-07-16
JP2688334B2 (ja) 1997-12-10

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