EP1504143B1 - Wireless thread controlling device - Google Patents

Wireless thread controlling device Download PDF

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Publication number
EP1504143B1
EP1504143B1 EP03709555A EP03709555A EP1504143B1 EP 1504143 B1 EP1504143 B1 EP 1504143B1 EP 03709555 A EP03709555 A EP 03709555A EP 03709555 A EP03709555 A EP 03709555A EP 1504143 B1 EP1504143 B1 EP 1504143B1
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EP
European Patent Office
Prior art keywords
driver
thread
control device
thread control
lifting device
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
EP03709555A
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German (de)
French (fr)
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EP1504143A2 (en
Inventor
Francisco Speich
Silvan Borer
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.)
Textilma AG
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Textilma AG
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Publication date
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Publication of EP1504143A2 publication Critical patent/EP1504143A2/en
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Publication of EP1504143B1 publication Critical patent/EP1504143B1/en
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04—Control of the tension in warp or cloth
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/42—Arrangements of lifting-cords
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating

Definitions

  • the invention relates to a cordless thread control device according to the preamble of claim 1.
  • a cordless thread control device of the type mentioned is known for example from GB 1 219 012 A.
  • a designed as a steel plate driver for the thread has at its end facing a locking device on a hook, with which the steel plate with the locking device is optionally latched.
  • the hook is arcuately shaped to impart elastic properties to the end portion of the follower to effect dampening of latching of the hook with the locking device. Due to the arcuate and resilient design of the hook this is unstable in the longitudinal direction of the steel plate, whereby a secure locking of the driver is not guaranteed with the locking device. This can lead to an inaccurate operation of the thread control device, to a reduction in rotational speeds and finally to weaving defects in the fabric produced.
  • the object of the invention is to provide a thread control device of the type mentioned in such a way that it does not have the disadvantages mentioned.
  • damper is designed according to claim 2 as a stop for the lifting device, since the direct application of force is given here.
  • the coupling device according to claim 3 has a permanent magnet arranged on the driver, the pole between two gleichpoligen, arranged on the lifting device poles of a magnetic device is suspended such that the driver is drivingly mitOSEbar, as long as the driver is not by the control means arrested in his movement.
  • the poles of the permanent magnet can be aligned according to claim 4 in the direction of movement of the driver or according to claim 5 transversely to the direction of movement of the driver. It when the magnetic device of the lifting device according to claim 6 is formed permanent magnetic is particularly advantageous. But even an electrical training according to claim 7 may be conceivable despite a complicated power supply.
  • a particularly squat type results if, according to claim 8, a locking device in the weft direction and / or in the warp direction of the shedding device has the same pitch as the warp threads leading healds.
  • a particularly flat and effective design results when the driver is designed according to claim 9 as a flat board, one end portion is designed directly as a control means which is engageable under the influence of an electromagnetic actuator with a locking member into engagement. It is particularly advantageous if the actuator is designed according to claim 10 as Schrägpolmagnet and the end portion of the driver according to claim 11 as a leaf spring.
  • the end part of the driver can be provided according to claim 12 with a latching recess which cooperates with the locking member.
  • the driver cooperates according to claim 13 with a return spring, which is conveniently arranged on the end part, which faces away from the control means.
  • FIG. 1 shows a schematic representation of a thread control device, as it is particularly suitable as a shedding device for a weaving machine.
  • the warp yarns 2 fed via a warp beam 8 are opened by means of a driver 4 designed as strands to a shed 6.
  • a weft thread 10 is injected after each tray change and struck at the edge 12, so that a fabric web 14 results, which is subtracted over a cloth beam 16.
  • the thread control device includes the driver 4, which have eyelets 18 through which the warp threads 2 are guided.
  • the driver 4 are biased in one direction, here, for example, down, by means of springs 20 in the basic position.
  • An oscillating lifting device 22 with lifting blades 24 engages via a stop 26 on the driver 4 and moves it in the rhythm of the lifting device 22 up and down, until such time as the driver is blocked by the locking device 28 in the high position.
  • the locking device comprises control means 30 in the form of a cantilevered leaf spring 32 which can be swung under the influence of an electromagnetic actuator 34 against the driver 4, so that a hook 36 of the leaf spring 32 cooperates with a hook 38 of the driver and this in the upper Position that holds high-skilled position.
  • a damper 40 which is formed of an elastic member 42 which engages the lifting knife 24 of the lifting device 22.
  • the forces acting on the stop 26 strokes of the lifting device are damped thereby, whereby a noise development on the one hand and a wear of the thread control device can be reduced despite high drive power.
  • the wear of the hooks 36,38 of the control means 30 and the driver 4 are substantially reduced and thus improves the service life of the shedding device.
  • FIGS. 2 to 5 show a further thread control device, which is designed analogously to the thread control device of FIG. 1 and can be used for shed forming on a weaving machine.
  • the drivers 44 are formed as flat boards and consist of two driver parts 44a, 44b, which are connected by the attenuator 40 without contact.
  • the upper end portion of the driver 44 serves as a control means 46 and is designed for this purpose as a leaf spring which swings against an actuator 48 when it is activated.
  • the actuator 48 is designed as Schrägpolmagnet, as can be seen in particular from Figure 2. It has a substantially E-shaped cross-section, the central web 50 is provided with a winding 52, so that the actuator is electromagnetically when applying a current and the upper end portion 54 attracts.
  • the serving as a control means 46 upper end portion 54 of the driver 44 includes an opening 56, by means of which it cooperates with activated actuator 48 with a locking lug 58 and is held. As a result, the warp threads moved by the driver 44 can remain in the raised position until the actuator 48 is deactivated again.
  • the design of the thread control device is such that the locking devices 60 formed from the actuators 48 and the control means 46 - viewed in the weft direction 62 and / or warp direction 64 of the shed forming device - each have the same pitch TK and / or TS, as leading the warp threads 2 Driver 44. This results in a very compact design of the thread control device, which is particularly suitable for the shed forming device of a loom.
  • Figures 6 and 7 show another thread control device, which is formed analogously to Figure 1 and has a non-contact magnetic coupling device 66 as a damper 40a, by means of which the drivers 68 are connected to the lifting device 70.
  • the entrainment 68 may be undivided or formed in addition to the embodiment of Figure 1 divided, wherein the driver parts 68a, 68b are connected via a damper 40 without contact with each other.
  • the coupling device 66 includes a permanent magnetic coupling member 72, which cooperates with corresponding coupling members 74 of the lifting device 70, as shown in detail in Figure 7.
  • the permanent magnetic coupling member 72 of the driver 68 is aligned in the direction of movement of the driver 68 and cooperates with coupling members 74 of the lifting device 70, which are also aligned in the direction of movement, in which, however Poles are oriented so that on each side the same poles between the coupling members 72 and 74 cooperate. Due to the thus formed magnetic field, the coupling member 72 of the driver 68 between the coupling members 74 of the lifting device 70 is held without contact in suspension and taken.
  • the coupling device provides a particularly impact-free drive of the driver, which reduces noise and wear.
  • the drivers must have sufficient flexural rigidity in the direction of displacement and can be made of a wide variety of materials such as plastic, but they are usually made of steel.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Knitting Machines (AREA)
  • Sewing Machines And Sewing (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The invention relates to a wireless thread controlling device for selectively controlling the movement of a thread ( 2 ) oscillating transversally in relation to the longitudinal direction thereof, especially a warp thread ( 2 ) of a shedding device pertaining to a mechanical weaving loom. The inventive thread controlling device is provided with at least one lifting device ( 22 ) which can be driven in an oscillating manner, and at least one driving mechanism ( 4 ) for the thread ( 2 ). Furthermore, at least one locking device ( 28 ) is provided-said locking device comprising a control means ( 30 ) which can be actuated by an actuator ( 34 )-in order to selectively engage the driving mechanism ( 4 ) with the lifting device ( 22 ). In order to increase performance and service life, and to reduce noise emission, the thread controlling device comprises a damper ( 40 ) which connects the individual parts ( 4 a, 4 b) of the two-part driving mechanism.

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine schnurlose Fadensteuervorrichtung gemäss Oberbegriff des Anspruches 1.The invention relates to a cordless thread control device according to the preamble of claim 1.

Stand der TechnikState of the art

Eine schnurlose Fadensteuervorrichtung der eingangs genannten Art ist beispielsweise aus der GB 1 219 012 A bekannt. Ein als Stahlplatine ausgebildeter Mitnehmer für den Faden weist an seinem einer Arretiervorrichtung zugewandten Endteil einen Haken auf, mit dem die Stahlplatine mit der Arretiervorrichtung wahlweise verrastbar ist. Der Haken ist bogenförmig ausgestaltet, um dem Endteil des Mitnehmers elastische Eigenschaften zu verleihen, die ein Dämpfen des Verrastens des Hakens mit der Arretiervorrichtung bewirken soll. Durch die bogenförmige und federnde Ausbildung des Hakens wird dieser in Längsrichtung der Stahlplatine unstabil, wodurch ein sicheres Verrasten des Mitnehmers mit der Arretiervorrichtung nicht gewährleistet ist. Dies kann zu einer ungenauen Arbeitsweise der Fadensteuervorrichtung, zur einer Verringerung der Drehzahlen und schliesslich zu Webfehlern in der hergestellten Warenbahn führen.A cordless thread control device of the type mentioned is known for example from GB 1 219 012 A. A designed as a steel plate driver for the thread has at its end facing a locking device on a hook, with which the steel plate with the locking device is optionally latched. The hook is arcuately shaped to impart elastic properties to the end portion of the follower to effect dampening of latching of the hook with the locking device. Due to the arcuate and resilient design of the hook this is unstable in the longitudinal direction of the steel plate, whereby a secure locking of the driver is not guaranteed with the locking device. This can lead to an inaccurate operation of the thread control device, to a reduction in rotational speeds and finally to weaving defects in the fabric produced.

Darstellung der ErfindungPresentation of the invention

Aufgabe der Erfindung ist es, eine Fadensteuervorrichtung der eingangs genannten Art so auszubilden, dass sie die genannten Nachteile nicht aufweist.The object of the invention is to provide a thread control device of the type mentioned in such a way that it does not have the disadvantages mentioned.

Die Aufgabe wird bei der eingangs genannten Fadensteuervorrichtung erfindungsgemäss gelöst durch die kennzeichnenden Merkmale des Anspruches 1.The object is achieved according to the invention in the thread control device mentioned above by the characterizing features of claim 1.

Dadurch, dass man in der Fadensteuervorrichtung den Mitnehmer zwischen der Hubvorrichtung und den Steuermitteln teilt und die Mitnehmerteile über ein elastisches Dämpferglied verbindet und/oder den Mitnehmer über ein als Dämpfer wirkendes elektromagnetisches Feld einer elektromagnetischen Kopplungsvorrichtung berührungslos mit der Hubvorrichtung koppelt, werden die Belastungen beim Verrasten des Mitnehmers an der Arretiervorrichtung gedämpft und dennoch ein sicheres Verrasten des Mitnehmers an der Arretiervorrichtung sicher gestellt. Dadurch erfolgt die Kraftübertragung in der Fadensteuervorrichtung gedämpft, so dass insbesondere auch bei hohen Antriebszahlen Schläge gemindert werden und somit ein Beschädigen der Arretiermittel reduziert wird. Dies führt insbesondere zu einem wesentlich verminderten Verschleiss, damit höhere Lebensdauer bei gesteigerter Leistung. Weiter wird die Geräuschentwicklung reduziert, wodurch sich für die Bedienungsperson verbesserte Arbeitsbedingungen ergeben.Characterized in that divides the driver between the lifting device and the control means in the thread control device and connects the driver parts via an elastic damper member and / or the driver via a damper acting electromagnetic field of an electromagnetic coupling device non-contact with the lifting device, the loads during Catching the driver muffled on the locking device and yet made sure a safe locking of the driver to the locking device. As a result, the power transmission is damped in the thread control device, so that in particular blows are reduced at high numbers of drives and thus damaging the locking means is reduced. This leads in particular to a significantly reduced wear, so longer life with increased performance. Further, the noise is reduced, resulting in improved operating conditions for the operator.

Vorteilhafte Ausgestaltungen der Fadensteuervorrichtungen sind in den Ansprüchen 2 bis 13 umschrieben.Advantageous embodiments of the thread control devices are described in claims 2 to 13.

Besonders zweckmässig ist es, wenn der Dämpfer gemäss Anspruch 2 als Anschlag für die Hubvorrichtung ausgebildet ist, da hier die unmittelbare Krafteinleitung gegeben ist.It is particularly expedient if the damper is designed according to claim 2 as a stop for the lifting device, since the direct application of force is given here.

Vorteilhaft ist es, wenn die Kopplungsvorrichtung nach Anspruch 3 einen am Mitnehmer fest angeordneten Permanentmagnet aufweist, dessen Pol zwischen zwei gleichpoligen, an der Hubvorrichtung angeordneten Polen einer Magneteinrichtung schwebend derart gehalten ist, dass der Mitnehmer antriebsmässig mitnehmbar ist, solange der Mitnehmer nicht durch die Steuermittel in seiner Bewegung arretiert ist. Die Pole des Permanentmagneten können gemäss Anspruch 4 in Bewegungsrichtung des Mitnehmers oder gemäss Anspruch 5 quer zur Bewegungsrichtung des Mitnehmers ausgerichtet sein. Besonders vorteilhaft ist es, wenn die Magneteinrichtung der Hubvorrichtung gemäss Anspruch 6 permanentmagnetisch ausgebildet ist. Aber auch eine elektrische Ausbildung gemäss Anspruch 7 kann trotz einer komplizierten Stromzuführung denkbar sein.It is advantageous if the coupling device according to claim 3 has a permanent magnet arranged on the driver, the pole between two gleichpoligen, arranged on the lifting device poles of a magnetic device is suspended such that the driver is drivingly mitnehmbar, as long as the driver is not by the control means arrested in his movement. The poles of the permanent magnet can be aligned according to claim 4 in the direction of movement of the driver or according to claim 5 transversely to the direction of movement of the driver. It when the magnetic device of the lifting device according to claim 6 is formed permanent magnetic is particularly advantageous. But even an electrical training according to claim 7 may be conceivable despite a complicated power supply.

Eine besonders gedrungene Bauart ergibt sich, wenn gemäss Anspruch 8 eine Arretiervorrichtung in Schussrichtung und/oder in Kettrichtung der Fachbildevorrichtung gesehen die gleiche Teilung wie die die Kettfäden führenden Weblitzen aufweist.A particularly squat type results if, according to claim 8, a locking device in the weft direction and / or in the warp direction of the shedding device has the same pitch as the warp threads leading healds.

Eine besonders flache und wirkungsvolle Bauart ergibt sich, wenn der Mitnehmer gemäss Anspruch 9 als flache Platine ausgestaltet ist, deren einer Endteil direkt als Steuermittel gestaltet ist, das unter dem Einfluss eines elektromagnetischen Aktuators mit einem Arretierglied in Eingriff bringbar ist. Besonders vorteilhaft ist es dabei, wenn der Aktuator gemäss Anspruch 10 als Schrägpolmagnet ausgebildet ist und der Endteil des Mitnehmers gemäss Anspruch 11 als Blattfeder. Der Endteil des Mitnehmers kann gemäss Anspruch 12 mit einer Rastausnehmung versehen sein, die mit dem Arretierglied zusammenwirkt. Der Mitnehmer wirkt gemäss Anspruch 13 mit einer Rückzugsfeder zusammen, die zweckmässigerweise an dem Endteil angeordnet ist, welcher dem Steuermittel abgewandt ist.A particularly flat and effective design results when the driver is designed according to claim 9 as a flat board, one end portion is designed directly as a control means which is engageable under the influence of an electromagnetic actuator with a locking member into engagement. It is particularly advantageous if the actuator is designed according to claim 10 as Schrägpolmagnet and the end portion of the driver according to claim 11 as a leaf spring. The end part of the driver can be provided according to claim 12 with a latching recess which cooperates with the locking member. The driver cooperates according to claim 13 with a return spring, which is conveniently arranged on the end part, which faces away from the control means.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen näher beschrieben, dabei zeigen:

Figur 1
eine erste Fadensteuervorrichtung für eine Fachbildevorrichtung in schematischer Darstellung;
Figur 2
eine zweite Fadensteuervorrichtung für eine Fachbildevorrichtung in schematischer Darstellung;
Figur 3
die Fadensteuervorrichtung der Figur 2 im Schnitt III-III;
Figur 4
die Fadensteuervorrichtung der Figur 2 im Schnitt IV-IV und in grösserem Massstab;
Figur 5
die Fadensteuervorrichtung der Figur 2 in Ansicht V-V;
Figur 6
eine dritte Fadensteuervorrichtung für eine Fachbildevorrichtung in schematischer Darstellung;
Figur 7
die Kopplungsvorrichtung zwischen der Hubvorrichtung und dem Mitnehmer gemäss Figur 6, jedoch in grösserem Massstab.
Exemplary embodiments of the invention will be described in greater detail below with reference to the drawings, in which:
FIG. 1
a first thread control device for a shedding device in a schematic representation;
FIG. 2
a second thread control device for a shedding device in a schematic representation;
FIG. 3
the thread control device of Figure 2 in section III-III;
FIG. 4
the thread control device of Figure 2 in section IV-IV and on a larger scale;
FIG. 5
the thread control device of Figure 2 in view VV;
FIG. 6
a third thread control device for a shedding device in a schematic representation;
FIG. 7
the coupling device between the lifting device and the driver according to Figure 6, but on a larger scale.

Wege zur Ausführung der ErfindungWays to carry out the invention

Die Figur 1 zeigt in schematischer Darstellung eine Fadensteuervorrichtung, wie sie insbesondere als Fachbildevorrichtung für eine Webmaschine geeignet ist. Bei der Fadensteuervorrichtung werden die über einen Kettbaum 8 zugeführten Kettfäden 2 mittels als Litzen ausgebildeter Mitnehmer 4 zu einem Webfach 6 geöffnet. In das Webfach 6 wird ein Schussfaden 10 nach jedem Fachwechsel eingeschossen und am Warenrand 12 angeschlagen, so dass sich eine Gewebebahn 14 ergibt, die über einen Warenbaum 16 abgezogen wird.1 shows a schematic representation of a thread control device, as it is particularly suitable as a shedding device for a weaving machine. at the yarn control device, the warp yarns 2 fed via a warp beam 8 are opened by means of a driver 4 designed as strands to a shed 6. In the shed 6, a weft thread 10 is injected after each tray change and struck at the edge 12, so that a fabric web 14 results, which is subtracted over a cloth beam 16.

Die Fadensteuervorrichtung enthält die Mitnehmer 4, welche Oesen 18 aufweisen, durch die die Kettfäden 2 geführt sind. Die Mitnehmer 4 sind in einer Richtung, hier beispielsweise nach unten, mittels Federn 20 in Grundstellung vorgespannt. Eine oszillierende Hubvorrichtung 22 mit Hubmessern 24 greift über einen Anschlag 26 am Mitnehmer 4 an und bewegt diesen im Rhythmus der Hubvorrichtung 22 auf und ab, und zwar so lange, bis der Mitnehmer mittels der Arretiervorrichtung 28 in der Hochstellung blockiert wird. Die Arretiervorrichtung enthält Steuermittel 30 in Form einer einseitig fest gespannten Blattfeder 32, die unter dem Einfluss eines elektromagnetischen Aktuators 34 gegen den Mitnehmer 4 ausgeschwenkt werden kann, so dass ein Haken 36 der Blattfeder 32 mit einem Haken 38 des Mitnehmers zusammenwirkt und diesen in der oberen Stellung, der Hochfachstellung festhält.The thread control device includes the driver 4, which have eyelets 18 through which the warp threads 2 are guided. The driver 4 are biased in one direction, here, for example, down, by means of springs 20 in the basic position. An oscillating lifting device 22 with lifting blades 24 engages via a stop 26 on the driver 4 and moves it in the rhythm of the lifting device 22 up and down, until such time as the driver is blocked by the locking device 28 in the high position. The locking device comprises control means 30 in the form of a cantilevered leaf spring 32 which can be swung under the influence of an electromagnetic actuator 34 against the driver 4, so that a hook 36 of the leaf spring 32 cooperates with a hook 38 of the driver and this in the upper Position that holds high-skilled position.

Zur Dämpfung des Mitnehmers 4 ist dieser geteilt und die Mitnehmerteile 4a,4b sind berührungslos durch einen Dämpfer 40 verbunden, der aus einem elastischen Glied 42 gebildet ist, welches an dem Hubmesser 24 der Hubvorrichtung 22 angreift. Die auf den Anschlag 26 wirkenden Schläge der Hubvorrichtung werden dadurch gedämpft, wodurch eine Lärmentwicklung einerseits und ein Verschleiss der Fadensteuervorrichtung trotz hoher Antriebsleistung verringert werden. Insbesondere werden dadurch der Verschleiss der Haken 36,38 der Steuermittel 30 und des Mitnehmers 4 wesentlich reduziert und damit die Standzeiten der Fachbildevorrichtung verbessert.For damping of the driver 4 this is divided and the driver parts 4a, 4b are contactlessly connected by a damper 40 which is formed of an elastic member 42 which engages the lifting knife 24 of the lifting device 22. The forces acting on the stop 26 strokes of the lifting device are damped thereby, whereby a noise development on the one hand and a wear of the thread control device can be reduced despite high drive power. In particular, thereby the wear of the hooks 36,38 of the control means 30 and the driver 4 are substantially reduced and thus improves the service life of the shedding device.

Die Figuren 2 bis 5 zeigen eine weitere Fadensteuervorrichtung, die analog der Fadensteuervorrichtung der Figur 1 ausgebildet ist und zur Webfachbildung an einer Webmaschine verwendet werden kann. Bei dieser Fadensteuervorrichtung sind die Mitnehmer 44 als flache Platinen ausgebildet und bestehen aus zwei Mitnehmerteilen 44a,44b, die durch das Dämpfungsglied 40 berührungslos verbunden sind. Der obere Endteil der Mitnehmer 44 dient als Steuermittel 46 und ist hierzu als Blattfeder ausgestaltet, die gegen einen Aktuator 48 ausschwenkt, wenn dieser aktiviert ist. Der Aktuator 48 ist als Schrägpolmagnet ausgestaltet, wie insbesondere aus Figur 2 ersichtlich ist. Er weist einen im Wesentlichen E-förmigen Querschnitt auf, dessen mittlerer Steg 50 mit einer Wicklung 52 versehen ist, so dass der Aktuator beim Anlegen-eines Stromes elektromagnetisch wird und den oberen Endteil 54 anzieht. Der als Steuermittel 46 dienende obere Endteil 54 des Mitnehmers 44 enthält eine Öffnung 56, mittels der er bei aktiviertem Aktuator 48 mit einer Arretiernase 58 zusammenwirkt und festgehalten wird. Dadurch können die von dem Mitnehmer 44 bewegten Kettfäden in Hochfachstellung verharren, bis der Aktuator 48 wieder deaktiviert wird. Die Ausbildung der Fadensteuervorrichtung ist derart, dass die aus den Aktuatoren 48 und dem Steuermittel 46 gebildeten Arretiervorrichtungen 60 - in Schussrichtung 62 und/oder Kettrichtung 64 der Fachbildevorrichtung gesehen - die jeweils gleiche Teilung TK und/oder TS aufweisen, wie die die Kettfäden 2 führenden Mitnehmer 44. Dadurch ergibt sich eine sehr gedrungene Bauform der Fadensteuervorrichtung, die für die Fachbildevorrichtung einer Webmaschine besonders geeignet ist.FIGS. 2 to 5 show a further thread control device, which is designed analogously to the thread control device of FIG. 1 and can be used for shed forming on a weaving machine. In this thread control device the drivers 44 are formed as flat boards and consist of two driver parts 44a, 44b, which are connected by the attenuator 40 without contact. The upper end portion of the driver 44 serves as a control means 46 and is designed for this purpose as a leaf spring which swings against an actuator 48 when it is activated. The actuator 48 is designed as Schrägpolmagnet, as can be seen in particular from Figure 2. It has a substantially E-shaped cross-section, the central web 50 is provided with a winding 52, so that the actuator is electromagnetically when applying a current and the upper end portion 54 attracts. The serving as a control means 46 upper end portion 54 of the driver 44 includes an opening 56, by means of which it cooperates with activated actuator 48 with a locking lug 58 and is held. As a result, the warp threads moved by the driver 44 can remain in the raised position until the actuator 48 is deactivated again. The design of the thread control device is such that the locking devices 60 formed from the actuators 48 and the control means 46 - viewed in the weft direction 62 and / or warp direction 64 of the shed forming device - each have the same pitch TK and / or TS, as leading the warp threads 2 Driver 44. This results in a very compact design of the thread control device, which is particularly suitable for the shed forming device of a loom.

Die Figuren 6 und 7 zeigen eine weitere Fadensteuervorrichtung, die analog der Figur 1 ausgebildet ist und die als Dämpfer 40a eine berührungslose magnetische Koppelungsvorrichtung 66 aufweist, mittels der die Mitnehmer 68 mit der Hubvorrichtung 70 verbunden sind. Die Mitnehmer 68 können ungeteilt oder analog dem Ausführungsbeispiel der Figur 1 zusätzlich geteilt ausgebildet sein, wobei die Mitnehmerteile 68a,68b über einen Dämpfer 40 berührungslos mit einander verbunden sind. Die Kopplungsvorrichtung 66 enthält ein permanentmagnetisches Koppelglied 72, das mit entsprechenden Koppelgliedern 74 der Hubvorrichtung 70 zusammenwirkt, wie dies im Detail in Figur 7 gezeigt ist. Das permanentmagnetische Koppelglied 72 des Mitnehmers 68 ist in Bewegungsrichtung des Mitnehmers 68 ausgerichtet und wirkt mit Koppelgliedern 74 der Hubvorrichtung 70 zusammen, die ebenfalls in Bewegungsrichtung ausgerichtet sind, bei denen jedoch die Pole so orientiert sind, dass auf jeder Seite gleich lautende Pole zwischen den Koppelgliedern 72 und 74 zusammenwirken. Durch das so ausgebildete Magnetfeld wird das Koppelglied 72 des Mitnehmers 68 zwischen den Koppelgliedern 74 der Hubvorrichtung 70 berührungslos in der Schwebe gehalten und mitgenommen. Die Kopplungsvorrichtung liefert einen besonders schlagfreien Antrieb der Mitnehmer, was sich Lärm und Verschleiss mindernd auswirkt.Figures 6 and 7 show another thread control device, which is formed analogously to Figure 1 and has a non-contact magnetic coupling device 66 as a damper 40a, by means of which the drivers 68 are connected to the lifting device 70. The entrainment 68 may be undivided or formed in addition to the embodiment of Figure 1 divided, wherein the driver parts 68a, 68b are connected via a damper 40 without contact with each other. The coupling device 66 includes a permanent magnetic coupling member 72, which cooperates with corresponding coupling members 74 of the lifting device 70, as shown in detail in Figure 7. The permanent magnetic coupling member 72 of the driver 68 is aligned in the direction of movement of the driver 68 and cooperates with coupling members 74 of the lifting device 70, which are also aligned in the direction of movement, in which, however Poles are oriented so that on each side the same poles between the coupling members 72 and 74 cooperate. Due to the thus formed magnetic field, the coupling member 72 of the driver 68 between the coupling members 74 of the lifting device 70 is held without contact in suspension and taken. The coupling device provides a particularly impact-free drive of the driver, which reduces noise and wear.

Die Mitnehmer müssen in-Verschieberichtung eine ausreichende Biegesteifigkeit aufweisen und können aus den verschiedensten Werkstoffen wie zum Beispiel Kunststoff bestehen, üblicherweise sind sie jedoch aus Stahl gefertigt.The drivers must have sufficient flexural rigidity in the direction of displacement and can be made of a wide variety of materials such as plastic, but they are usually made of steel.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

22
Kettfadenwarp
44
Mitnehmertakeaway
4a4a
Mitnehmertakeaway
4b4b
Mitnehmertakeaway
66
Webfachshed
88th
Kettbaumwarp beam
1010
Schussfadenweft
1212
Warenrandfell of
1414
Gewebebahnfabric web
1616
Warenbaumcloth beam
1818
Öseeyelet
2020
Federfeather
2222
Hubvorrichtunglifting device
2424
Hubmesserlifting knife
2626
Anschlagattack
2828
Arretiervorrichtunglocking device
3030
Steuermittelcontrol means
3232
Blattfederleaf spring
3434
Aktuatoractuator
3636
Haken von 32Hook of 32
3838
Haken von 4Hook of 4
4040
Dämpferdamper
40a40a
Dämpferdamper
4242
elastisches Gliedelastic member
4444
Mitnehmertakeaway
44a44a
oberer Mitnehmerteilupper driver part
44b44b
unterer Mitnehmerteillower driver part
4646
Steuermittelcontrol means
4848
Aktuatoractuator
5050
Stegweb
5252
Wicklungwinding
5454
oberer Endteil 44aupper end portion 44a
5656
Öffnungopening
5858
Arretiernasestop dog
6060
Arretiervorrichtunglocking device
6262
Schussrichtungweft direction
6464
Kettrichtungwarp
6666
Kopplungsvorrichtungcoupling device
6868
Mitnehmertakeaway
68a68a
Mitnehmertakeaway
68a68a
Mitnehmertakeaway
7070
Hubvorrichtunglifting device
7272
Koppelglied für 68Coupling link for 68
7474
Koppelglied für 70Coupling link for 70

Claims (13)

  1. A cordless thread control device for the selective control of an oscillating movement of a thread (2) transversely to its running direction, in particular of a warp thread (2) of a shedding device of a weaving machine, with at least one lifting device (22, 70) capable of being driven in oscillation, with at least one driver (4, 44, 68) having a guide (18) for the thread (2), furthermore with at least one detaining device (28, 60) having a control means (30, 46) actuable by means of an actuator (34, 48), in order to bring the driver (4, 44, 68) selectively into engagement with the lifting device (22, 70), the driver (4, 44, 68) having a damper (40, 40a), characterized in that the driver (4, 44, 68) is designed to be bend-resistant in the longitudinal direction, the driver being divided between the lifting device (22, 70) and the control means (30, 46), and the driver parts (4a, 4b, 44a, 44b, 68a, 68b) being connected to one another via an elastic damper member (40, 42) and/or the driver (68) being capable of being coupled contactlessly to the lifting device (70) via an electromagnetic field, acting as a damper (40a), of an electromagnetic coupling device (66).
  2. The thread control device as claimed in claim 1, characterized in that the damper (40) is designed as a stop (26) for the lifting device (22).
  3. The thread control device as claimed in claim 1, characterized in that the coupling device (66) has a permanent magnet (72) which is arranged fixedly on the driver (68) and the pole of which is held suspended between two homopolar poles of a magnetic device (74) which are arranged on the lifting device (70), in such a way that the driver (68) can be driven as long as said driver (68) is not detained by the control means (46).
  4. The thread control device as claimed in claim 3, characterized in that the poles of the permanent magnet (72, 74) are oriented in the direction of movement of the driver (68).
  5. The thread control device as claimed in claim 3, characterized in that the poles of the permanent magnet are oriented transversely to the direction of movement of the driver.
  6. The thread control device as claimed in claim 3, characterized in that magnetic device (72) of the lifting device (70) is of permanent-magnetic design.
  7. The thread control device as claimed in claim 3, characterized in that the magnetic device of the lifting device is of electromagnetic design.
  8. The thread control device as claimed in one of claims 1 to 7, characterized in that, as seen in the weft direction (76) and/or warp direction of the shedding device, the detaining device has the same division (TS and/or TK) as the drivers (44) guiding the warp threads (2).
  9. The thread control device as claimed in one of claims 1 to 8, characterized in that the driver (44) is designed as a flat lifter, one end part (54) of which is designed as a control means (46) which can be brought into engagement with a detaining member (58) under the influence of an electromagnetic actuator (48).
  10. The thread control device as claimed in claim 9, characterized in that the actuator (48) is designed as an oblique-pole magnet.
  11. The thread control device as claimed in claim 9, characterized in that the end part (54) of the driver is designed as a leaf spring.
  12. The thread control device as claimed in claim 9, characterized in that the end part (54) of the driver (68) is provided with a locking recess (56) which cooperates with the detaining part (58).
  13. The thread control device as claimed in one of claims 1 to 12, characterized in that the driver (4, 44, 68) cooperates with a return spring (20) which is arranged on the end part which faces away from the control means (30).
EP03709555A 2002-05-10 2003-04-15 Wireless thread controlling device Expired - Lifetime EP1504143B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH7962002 2002-05-10
CH796022002 2002-05-10
PCT/CH2003/000252 WO2003095728A2 (en) 2002-05-10 2003-04-15 Wireless thread controlling device

Publications (2)

Publication Number Publication Date
EP1504143A2 EP1504143A2 (en) 2005-02-09
EP1504143B1 true EP1504143B1 (en) 2007-02-21

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EP03709555A Expired - Lifetime EP1504143B1 (en) 2002-05-10 2003-04-15 Wireless thread controlling device

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US (1) US20050204834A1 (en)
EP (1) EP1504143B1 (en)
JP (1) JP2005530049A (en)
KR (1) KR100902304B1 (en)
CN (1) CN1653218B (en)
AT (1) ATE354691T1 (en)
AU (1) AU2003213980A1 (en)
BR (1) BR0309364A (en)
DE (1) DE50306584D1 (en)
ES (1) ES2279941T3 (en)
RU (1) RU2299935C2 (en)
WO (1) WO2003095728A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101522971B (en) * 2006-09-28 2011-02-09 泰克斯蒂尔玛股份公司 Shedding apparatus for a weaving machine, in particular for a ribbon weaving machine
CN101641467B (en) * 2007-03-27 2011-04-20 泰克斯蒂尔玛股份公司 Device for controlling the transverse movement of the warp threads of a textile weaving machine
CN104032439A (en) * 2014-05-26 2014-09-10 苏州潮盛印花制版实业有限公司 Electromagnetic warp adjusting device
BE1021951B1 (en) * 2014-07-18 2016-01-28 Michel Van De Wiele Nv GAAP FORMAT FOR A WEAVING MACHINE
CN109183236B (en) * 2018-09-17 2020-05-15 武汉纺织大学 Loom heald selection system
CN110923894A (en) * 2019-11-17 2020-03-27 绍兴佳宝纺织机械科技有限公司 Electromagnetic needle lifting unit for electronic jacquard machine and electromagnetic needle lifting unit assembly
CN112210864A (en) * 2020-09-18 2021-01-12 西安工程大学 Loom shedding device

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CH550729A (en) * 1972-01-25 1974-06-28 Mueller Jakob DEVICE FOR MOVING THREAD GUIDE DEVICES OF TEXTILE MACHINERY.
JPS58187649A (en) * 1982-04-28 1983-11-01 Yoichi Tatara Magnetic screw mechanism
GB8432476D0 (en) * 1984-12-21 1985-02-06 Bonas Machine Co Heald rod retention device
DE3524569A1 (en) * 1985-07-10 1987-01-22 Wolfgang Herold Weaving loom with individual heald control
DE4028390C2 (en) * 1990-09-07 1994-06-09 Mayer Textilmaschf Electromagnetic jacquard control device
JPH04108384U (en) * 1991-02-26 1992-09-18 光洋精工株式会社 magnetic joints
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DE9307391U1 (en) * 1993-04-26 1993-09-30 Textilma Ag, Hergiswil Shed forming device for a weaving machine
WO1997011215A1 (en) * 1995-09-21 1997-03-27 Textilma Ag Device for the selective control of the oscillating transverse motion of a yarn, in particular the warp yarn of a loom
FR2756849B1 (en) * 1996-12-06 1999-05-07 Tardy Jean Jacques SHOCK ABSORBER DEVICE FOR JACQUARD WEAVING SMOOTH SPREAD
DE29715332U1 (en) * 1997-08-26 1997-11-27 Textilma Ag, Hergiswil Jacquard device for a weaving machine
DE29716100U1 (en) * 1997-09-08 1997-10-30 Textilma Ag, Hergiswil Thread control device
GB9718987D0 (en) * 1997-09-09 1997-11-12 Bonas Machine Co Drive transmission assembly
DE59905063D1 (en) * 1998-12-09 2003-05-22 Sultex Ag Rueti Device for the controlled movement of a warp thread
EP1016743B1 (en) * 1998-12-09 2003-04-16 Sultex AG Device for the controlled displacement of a weft thread

Also Published As

Publication number Publication date
US20050204834A1 (en) 2005-09-22
KR20040106468A (en) 2004-12-17
RU2004136570A (en) 2006-01-20
CN1653218A (en) 2005-08-10
KR100902304B1 (en) 2009-06-10
WO2003095728A3 (en) 2004-03-25
ES2279941T3 (en) 2007-09-01
RU2299935C2 (en) 2007-05-27
EP1504143A2 (en) 2005-02-09
JP2005530049A (en) 2005-10-06
CN1653218B (en) 2010-04-28
BR0309364A (en) 2005-02-15
ATE354691T1 (en) 2007-03-15
WO2003095728A2 (en) 2003-11-20
AU2003213980A1 (en) 2003-11-11
DE50306584D1 (en) 2007-04-05

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