EP0784111B1 - Shaft coupling element with unlocking mechanism - Google Patents

Shaft coupling element with unlocking mechanism Download PDF

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Publication number
EP0784111B1
EP0784111B1 EP19960118558 EP96118558A EP0784111B1 EP 0784111 B1 EP0784111 B1 EP 0784111B1 EP 19960118558 EP19960118558 EP 19960118558 EP 96118558 A EP96118558 A EP 96118558A EP 0784111 B1 EP0784111 B1 EP 0784111B1
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EP
European Patent Office
Prior art keywords
heald frame
slider
coupling unit
push rod
coupling
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
EP19960118558
Other languages
German (de)
French (fr)
Other versions
EP0784111A2 (en
EP0784111A3 (en
Inventor
Valentin Krumm
Horst Häussler
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
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Lindauer Dornier GmbH
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Publication date
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP0784111A2 publication Critical patent/EP0784111A2/en
Publication of EP0784111A3 publication Critical patent/EP0784111A3/en
Application granted granted Critical
Publication of EP0784111B1 publication Critical patent/EP0784111B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0683—Arrangements or means for the linking to the drive system
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers
    • Y10T292/696—With movable dog, catch or striker
    • Y10T292/699—Motor controlled
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/22—Joints and connections with fluid pressure responsive component
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/591—Manually releaseable latch type having operating mechanism
    • Y10T403/595—Lever

Definitions

  • the invention relates to a heald frame coupling with a device for Uncoupling a heald frame from bumpers and also using a loom a variety of heald frames that can be uncoupled from the bumpers simultaneously is.
  • Such heald frame couplings consist of a heald frame side coupling unit with at least one first coupling element and a push rod side coupling unit with at least one second coupling element, on which a lever mechanism loaded by a tension spring engages with a pivot lever having a free end.
  • the lever mechanism allows the two coupling units to be coupled and prevents these units from being uncoupled.
  • the heald frames are lifted out of the weaving machine or inserted into them in the manner of a so-called shaft package.
  • DE-PS 43 43 882 C1 also discloses a device for the simultaneous opening of a plurality of the heald frame couplings described in the aforementioned patent specification.
  • Such a device consists of a rotationally driven actuating shaft which extends across the total number of individual shafts transversely to their lifting movement.
  • An actuating element for uncoupling is assigned to each coupling unit on the bumper side on the adjusting shaft. All actuators are non-rotatably connected to the control shaft and can be simultaneously connected to the lever mechanism of each clutch unit on the bumper.
  • Such a decoupling device is both material and manufacturing technology and costly on the assembly side.
  • the object of the invention is for a heald frame coupling known per se to provide a decoupling device that compared to the known Uncoupling device comparatively, while maintaining a high Functional reliability, is cheaper to manufacture and space-saving.
  • the object is characterized by the features of the independent Claims resolved.
  • Each heald frame of a weaving machine is known to have shaft-side coupling means for its actuation, which can be coupled with so-called bumper-side coupling units.
  • the coupling element 2 of the shaft-side coupling unit 1 is shown as its main component.
  • the coupling element 2 is disengaged from the coupling unit 3.
  • Such coupling units are known in principle from DE-PS 43 43 882 C1. What is not known is a coupling unit with an integrated decoupling device.
  • the decoupling device 11 consists of a slide housing 13 with a slide 14 which is longitudinally displaceable therein and has a slide surface 14a which can be acted upon by pressure medium and a slide surface 14b opposite the slide surface 14a.
  • the slide surface 14a can at least be acted upon by pressure medium in an inlet 13c provided in the slide housing base 13a.
  • the free end of the pivot lever 7 of the coupling unit 3 rests on the slide surface 14b with the tensioning force of the tension spring 5.
  • the decoupling device 11 consists, for example, of the slide housing base 13a and of the actual slide housing 13, in which the slide 14 is received.
  • the threaded coupling 28 which is only indicated in the drawing, and which is introduced into an extension 13a 'of the valve housing bottom 13a, has the coupling device 11 screw-connected to the coupling unit 3. It is important when positioning and assembling the decoupling device 11 in the coupling unit 3 that there is sufficient space between the housing 13 of the decoupling device 11 and the lever mechanism 6 for the deflection of the pivot lever 7 within the coupling unit 3.
  • the mode of operation of the heald frame coupling with decoupling device is like follows:
  • the decoupling device 11 is designed as an electromagnetic drive 12 for the pivot lever 7.
  • the free end of the pivot lever 7 lies on the front end face of a magnetic core 12b which can be displaced in a coil 12a which can be excited by means of electrical energy.
  • the swiveling lever 7 can be moved into the position shown in broken lines by a lifting movement of the magnetic core 12b, whereby the coupling elements 2 and 4 are uncoupled. In the illustration according to FIG. 2, the magnetic coil is not excited.
  • the coupling unit 3 on the bumper side according to FIGS. 1 and 2 is used as the coupling unit on the shaft side.
  • the coupling unit 3 with the decoupling device 11 is connected here by means of screws 22 to the shaft rod 15a of a heald frame 15.
  • the supply line 17 leading to the connecting piece 16 is guided through the respective right and / or left side support 15a of the respective heald frame 15.
  • the beginning of the supply line is connected to a pressure medium connection 18, which is arranged at the upper free end of the side support 15b; see also Figure 5.
  • the advantage of such an arrangement of the coupling unit 3 and such a cable routing is that a large number of flexible supply lines 17, as shown in FIG. 6, do not hinder the installation space for loom installations.
  • Another advantage can be that the pressure medium acting on the decoupling device 11 is present externally, ie outside the weaving machine, and is only available for decoupling the heald frames when needed, for example when changing articles.
  • connection 18 is a pressure medium connection in the case of a pneumatically or hydraulically actuated slide unit 13, 14 or an electrical connection in the case of an electromagnetic drive 12.
  • FIG. 5 also shows a coupling unit 1 on the bumper side in the coupled state with a coupling unit 3 on the shaft side.
  • the bumper 10 is articulated in a first articulation point 30a of a bell crank 30.
  • the pull rod 31 connected to a shaft drive (not shown) is articulated in a second articulation point 30b.
  • the bell crank 30 is pivotally mounted in a joint 30c about its central axis 30c '.
  • Each of the articulation points 30a, 30b, 30c is formed by an axle which is the articulation point for a plurality of deflection levers 30, bumpers 10 and tie rods 31.
  • FIG. 6 shows a large number of coupling units 3 with a decoupling device 11 arranged one behind the other on the bumper.
  • Each decoupling device has a connecting piece 16 to which a pressure medium line 17 is connected.
  • the pressure medium line 17 leads to a pressure medium storage or distributor 19 which is connected via a check valve 20 and line 21 to a pressure medium source p, not shown.

Abstract

A multitude of heald shafts can be decoupled simultaneously as a set. For this purpose one of the two coupling sections (2, 3) of a shaft, either the section on the push rod side or the section on the shaft side, is equipped with a decoupling mechanism (11). All decoupling mechanisms (11) are power operated in unison by hydraulic, pneumatic, or electrical power. The power operated decoupling mechanisms operate a spring biased rocker lever (7) of a lever mechanism (6) to decouple the coupling sections from each other.

Description

Die Erfindung betrifft eine Webschaftkupplung mit einer Vorrichtung zum Entkuppeln eines Webschaftes von Stoßstangen und ferner eine Webmaschine mit einer Vielzahl von Webschäften, die simultan von den Stoßstangen entkuppelbar ist.The invention relates to a heald frame coupling with a device for Uncoupling a heald frame from bumpers and also using a loom a variety of heald frames that can be uncoupled from the bumpers simultaneously is.

Bekannt ist aus der DE-PS 43 43 882 C1 eine Webschaftkupplung und eine Vorrichtung zum simultanen Öffnen und Schließen einer Vielzahl solcher Kupplungen in einer Webmaschine.
Derartige Webschaftkupplungen bestehen aus einer webschaftseitigen Kupplungseinheit mit wenigstens einem ersten Kupplungselement und aus einer stoßstangenseitigen Kupplungseinheit mit wenigstens einem zweiten Kupplungselement, an welchem ein durch eine Zugfeder belasteter Hebelmechanismus mit einem ein freies Ende aufweisenden Schwenkhebel angreift.
Der Hebelmechanismus erlaubt ein Kuppeln der beiden Kupplungseinheiten und unterbindet ein Entkuppeln dieser Einheiten.
Insbesondere zum Zwecke eines rationellen und effektiven Artikelwechsels werden die Webschäfte in Art eines sogenannten Schäftepaketes aus der Webmaschine gehoben bzw. in diese eingesetzt.
Dazu ist es erforderlich, die Webschaftkupplungen nicht nur so auszubilden, daß ein simultanes Einsetzen der Webschäfte und Kuppeln mit den Stoßstangen erfolgen kann, sondern in gleicher Weise ein Entkuppeln aller Webschäfte von den Stoßstangen gegeben ist.From DE-PS 43 43 882 C1 a heald frame coupling and a device for the simultaneous opening and closing of a large number of such couplings in a weaving machine are known.
Such heald frame couplings consist of a heald frame side coupling unit with at least one first coupling element and a push rod side coupling unit with at least one second coupling element, on which a lever mechanism loaded by a tension spring engages with a pivot lever having a free end.
The lever mechanism allows the two coupling units to be coupled and prevents these units from being uncoupled.
In particular for the purpose of a rational and effective article change, the heald frames are lifted out of the weaving machine or inserted into them in the manner of a so-called shaft package.
For this purpose, it is necessary not only to design the heald frame couplings in such a way that the heald frames and domes can be inserted simultaneously with the bumpers, but in the same way that all heald frames are uncoupled from the bumpers.

Die DE-PS 43 43 882 C1 offenbart ferner eine Vorrichtung zum simultanen Öffnen einer Vielzahl der in der vorgenannten Patentschrift beschriebenen Webschaftkupplungen.
Eine solche Vorrichtung besteht aus einer drehangetriebenen Stellwelle, die sich über die Gesamtzahl der Einzelschäfte quer zu deren Hubbewegung erstreckt. Auf der Stellwelle ist jeder stoßstangenseitigen Kupplungseinheit ein Betätigungselement zum Entkuppeln zugeordnet. Alle Betätigungselemente sind drehfest mit der Stellwelle verbunden und können simultan mit dem Hebelmechanismus jeder stoßstangenseitigen Kupplungseinheit in Wirkverbindung gebracht werden.DE-PS 43 43 882 C1 also discloses a device for the simultaneous opening of a plurality of the heald frame couplings described in the aforementioned patent specification.
Such a device consists of a rotationally driven actuating shaft which extends across the total number of individual shafts transversely to their lifting movement. An actuating element for uncoupling is assigned to each coupling unit on the bumper side on the adjusting shaft. All actuators are non-rotatably connected to the control shaft and can be simultaneously connected to the lever mechanism of each clutch unit on the bumper.

Eine solche Entkupplungsvorrichtung ist sowohl material- als auch fertigungstechnisch und montageseitig kostenaufwendig.Such a decoupling device is both material and manufacturing technology and costly on the assembly side.

Die Aufgabe der Erfindung ist es, für eine an sich bekannte Webschaftkupplung eine Entkupplungsvorrichtung zu schaffen, die gegenüber der bekannten Entkupplungsvorrichtung vergleichsweise, unter Aufrechterhaltung einer hohen Funktionssicherheit, kostengünstiger herstellbar und platzsparender ist.The object of the invention is for a heald frame coupling known per se to provide a decoupling device that compared to the known Uncoupling device comparatively, while maintaining a high Functional reliability, is cheaper to manufacture and space-saving.

Erfindungsgemäß wird die Aufgabe durch die Merkmale der unabhängigen Patentansprüche gelöst.According to the invention, the object is characterized by the features of the independent Claims resolved.

Die Erfindung soll nachstehend anhand der in den Zeichnungen beispielhaften Darstellungen näher erläutert werden.
Es zeigen:

Figur 1:
eine geöffnet Kupplungseinheit mit der im Schnitt dargestellten druckmittelbetriebenen Entkupplungsvorrichtung, stoßstangenseitig angeordnet,
Figur 2:
eine geöffnet Kupplungseinheit mit der im Schnitt dargestellten elektromagnetisch betriebenen Entkupplungsvorrichtung, stoßstangenseitig angeordnet,
Figur 3:
die druckmittelbetriebene Entkupplungsvorrichtung als Schiebergehäuse mit Schieber,
Figur 4:
eine geöffnet Kupplungseinheit mit der im Schnitt dargestellten druckmittelbetriebenen Entkupplungsvorrichtung, schaftseitig angeordnet,
Figur 5:
einen Teil eines schematisch dargestellten Webschaftes mit dem Anschluß für die zur Entkupplungsvorrichtung führende Versorgungsleitung,
Figur 6:
die Vielzahl der stoßstangenseitigen Kupplungseinheiten mit integraler Entkupplungsvorrichtung in Verbindung mit einem Druckmittelverteiler,
The invention will be explained in more detail below with the aid of the representations which are exemplary in the drawings.
Show it:
Figure 1:
an opened clutch unit with the pressure medium-operated decoupling device shown in section, arranged on the bumper side,
Figure 2:
an opened clutch unit with the electromagnetically operated decoupling device shown in section, arranged on the bumper side,
Figure 3:
the pressure medium-operated decoupling device as a slide housing with slide,
Figure 4:
an opened coupling unit with the pressure medium-operated decoupling device shown in section, arranged on the shaft side,
Figure 5:
part of a schematically illustrated heald frame with the connection for the supply line leading to the decoupling device,
Figure 6:
the large number of coupling units on the bumper side with an integral decoupling device in connection with a pressure medium distributor,

Jeder Webschaft einer Webmaschine verfügt bekanntlich zu seiner Betätigung über schaftseitige Kupplungsmittel, die mit sogenannten stoßstangenseitigen Kupplungseinheiten kuppelbar sind.
In Figur 1 ist von der schaftseitigen Kupplungseinheit 1 das Kupplungselement 2 als deren Hauptbestandteil dargestellt.
Das Kupplungselement 2 befindet sich außer Eingriff von der Kupplungseinheit 3. Derartige Kupplungseinheiten sind aus der DE-PS 43 43 882 C1 prinzipiell bekannt.
Nicht bekannt ist, eine Kupplungseinheit mit einer integrierten Entkupplungsvorrichtung.Each heald frame of a weaving machine is known to have shaft-side coupling means for its actuation, which can be coupled with so-called bumper-side coupling units.
In Figure 1, the coupling element 2 of the shaft-side coupling unit 1 is shown as its main component.
The coupling element 2 is disengaged from the coupling unit 3. Such coupling units are known in principle from DE-PS 43 43 882 C1.
What is not known is a coupling unit with an integrated decoupling device.

Gemäß Figur 1 und 3 besteht die Entkupplungsvorrichtung 11 aus einem Schiebergehäuse 13 mit einem darin längs verschiebbaren Schieber 14, der eine mit Druckmittel beaufschlagbare Schieberfläche 14a und eine der Schieberfläche 14a gegenüberliegende Schieberfläche 14b besitzt.
Die Schieberfläche 14a ist überwenigstens einen im Schiebergehäuse-Boden 13a vorhandenen Einlaß 13c mit Druckmittel beaufschlagbar.
Auf der Schieberfläche 14b ruht das freie Ende des Schwenkhebels 7 der Kupplungseinheit 3 mit der Spannkraft der Zugfeder 5.According to FIGS. 1 and 3, the decoupling device 11 consists of a slide housing 13 with a slide 14 which is longitudinally displaceable therein and has a slide surface 14a which can be acted upon by pressure medium and a slide surface 14b opposite the slide surface 14a.
The slide surface 14a can at least be acted upon by pressure medium in an inlet 13c provided in the slide housing base 13a.
The free end of the pivot lever 7 of the coupling unit 3 rests on the slide surface 14b with the tensioning force of the tension spring 5.

Schiebergehäuse 13 und Schieber 14 besitzen zum Eingriff des Hebelarms von Schwenkhebel 7 in die Entkupplungsvorrichtung 11 eine Aussparung 13b bzw. 14c. Diese Aussparungen dienen gleichzeitig der Seitenführung des Schwenkhebels 7.
Die Entkupplungsvorrichtung 11 besteht, wie in Figur 1 zu erkennen, z.B. aus dem Schiebergehäuse-Boden 13a und aus dem eigentlichen Schieber-Gehäuse 13, in dem der Schieber 14 aufgenommen ist.
Zum Beispiel über nur andeutungsweise dargestellte Gewindebohrungen 28, die in einem Ansatz 13a' des Schiebergehäuse-Bodens 13a eingebracht sind, ist die Entkupplungsvorrichtung 11 mit der Kupplungseinheit 3 schraubverbunden.
Wichtig bei der Positionierung und Montage der Entkupplungsvorrichtung 11 in der Kupplungseinheit 3 ist, daß zwischen dem Gehäuse 13 der Entkupplungsvorrichtung 11 und dem Hebelmechanismus 6 ausreichend Raum für die Auslenkung des Schwenkhebels 7 innerhalb der Kupplungseinheit 3 besteht.Slider housing 13 and slider 14 have a recess 13b and 14c for engagement of the lever arm of pivot lever 7 in the decoupling device 11. These recesses also serve to guide the pivoting lever 7.
As can be seen in FIG. 1, the decoupling device 11 consists, for example, of the slide housing base 13a and of the actual slide housing 13, in which the slide 14 is received.
For example, the threaded coupling 28, which is only indicated in the drawing, and which is introduced into an extension 13a 'of the valve housing bottom 13a, has the coupling device 11 screw-connected to the coupling unit 3.
It is important when positioning and assembling the decoupling device 11 in the coupling unit 3 that there is sufficient space between the housing 13 of the decoupling device 11 and the lever mechanism 6 for the deflection of the pivot lever 7 within the coupling unit 3.

Die Funktionsweise der Webschaftkupplung mit Entkupplungsvorrichtung ist wie folgt:The mode of operation of the heald frame coupling with decoupling device is like follows:

Wird von den gemäß Figur 6 dargestellten Mitteln 19, 20, 21 ein Druckmittel über die Versorgungsleitung 17, Anschlußstück 16 und Einlaß 13c auf die Schieberfläche 14a geleitet, schiebt der Schieber 14 den Schwenkhebel 7 derart in Richtung Öffnung des Schiebergehäuses 13, daß sich dieser um seine Drehachse 7a schwenkt. Das andere freie Ende des Schwenkhebels 7, welches in einer gemeinsamen Gelenkstelle 6a für den Hebel 29 und die Zugfeder 5 angelenkt ist, bringt die Gelenkstelle 6a in die gestrichelt dargestellte Position. Durch diese Schwenkbewegung wird das Kupplungselement 4 um die Achse 4a in Entkuppelposition geschwenkt.
In der hier dargestellten Position befindet sich das Kupplungselement 4 bereits wieder in der Kuppelstellung, wobei sich die Kupplungselemente 4 und 2 außer Eingriff befinden. Das bedeutet, die betreffenden, jedoch nicht dargestellten Webschäfte, sind z.B. zum Zwecke eines Artikelwechsels von ihrem Antrieb gelöst. Der Kuppelvorgang erfolgt in umgekehrter Weise, allerdings ohne Druckmittelbeaufschlagung der Entkupplungsvorrichtung 11.
In diesem Fall wirkt der federbelastete Hebelmechanismus 6 mit Kupplungselement 4 als Schnappverschluß für das Kupplungselement 2.If from the means 19, 20, 21 shown in FIG. 6 a pressure medium is passed via the supply line 17, connecting piece 16 and inlet 13c to the slide surface 14a, the slide 14 pushes the pivot lever 7 in the direction of the opening of the slide housing 13 in such a way that it moves around its axis of rotation 7a pivots. The other free end of the pivot lever 7, which is articulated in a common hinge point 6a for the lever 29 and the tension spring 5, brings the hinge point 6a into the position shown in dashed lines. As a result of this pivoting movement, the coupling element 4 is pivoted about the axis 4a in the uncoupling position.
In the position shown here, the coupling element 4 is already in the coupling position again, the coupling elements 4 and 2 being out of engagement. This means that the heald frames in question, but not shown, are released from their drive, for example, for the purpose of changing articles. The coupling process takes place in the reverse manner, however, without pressurizing the decoupling device 11.
In this case, the spring-loaded lever mechanism 6 with the coupling element 4 acts as a snap lock for the coupling element 2.

In Figur 2 ist die Entkupplungsvorrichtung 11 als elektromagnetischer Antrieb 12 für den Schwenkhebel 7 ausgebildet. Das freie Ende des Schwenkhebels 7 liegt an der vorderen Endfläche eines in einer mittels Elektroenergie erregbaren Spule 12a verschiebbaren Magnetkerns 12b.
Durch eine Hubbewegung des Magnetkerns 12b ist der Schwenkhebel 7 in die gestrichelt dargestellte Position bewegbar, womit ein Entkuppeln der Kupplungselemente 2 und 4 erreicht wird.
In der Darstellung gemäß Figur 2 ist die Magnetspule nicht erregt.In Figure 2, the decoupling device 11 is designed as an electromagnetic drive 12 for the pivot lever 7. The free end of the pivot lever 7 lies on the front end face of a magnetic core 12b which can be displaced in a coil 12a which can be excited by means of electrical energy.
The swiveling lever 7 can be moved into the position shown in broken lines by a lifting movement of the magnetic core 12b, whereby the coupling elements 2 and 4 are uncoupled.
In the illustration according to FIG. 2, the magnetic coil is not excited.

In Figur 4 wird die stoßstangenseitige Kupplungseinheit 3 gemäß der Figuren 1 und 2 als schaftseitige Kupplungseinheit verwendet.
Die Kupplungseinheit 3 mit der Entkupplungsvorrichtung 11 ist hier mittels Schrauben 22 mit dem Schaftstab 15a eines Webschaftes 15 verbunden.
Die zum Anschlußstück 16 führende Versorgungsleitung 17 ist durch die jeweilige rechte und/oder linke Seitenstütze 15a des jeweiligen Webschaftes 15 geführt. Der Anfang der Versorgungsleitung ist mit einem Druckmittelanschluß 18, der am oberen freien Ende der Seitenstütze 15b angeordnet ist, verbunden; siehe auch Figur 5.In FIG. 4, the coupling unit 3 on the bumper side according to FIGS. 1 and 2 is used as the coupling unit on the shaft side.
The coupling unit 3 with the decoupling device 11 is connected here by means of screws 22 to the shaft rod 15a of a heald frame 15.
The supply line 17 leading to the connecting piece 16 is guided through the respective right and / or left side support 15a of the respective heald frame 15. The beginning of the supply line is connected to a pressure medium connection 18, which is arranged at the upper free end of the side support 15b; see also Figure 5.

Der Vorteil einer solchen Anordnung der Kupplungseinheit 3 und einer solchen Leitungsführung besteht darin, daß nicht eine Vielzahl von flexiblen Versorgungsleitungen 17, wie in Figur 6 dargestellt, den Bauraum für Webmaschineneinbauten behindert.
Ein weiterer Vorteil kann darin bestehen, daß das die Entkupplungsvorrichtung 11 beaufschlagende Druckmedium extern, d.h. außerhalb der Webmaschine vorliegt und nur bei Bedarf, also z.B. bei Artikelwechsel, zum Entkuppeln der Webschäfte zur Verfügung steht. The advantage of such an arrangement of the coupling unit 3 and such a cable routing is that a large number of flexible supply lines 17, as shown in FIG. 6, do not hinder the installation space for loom installations.
Another advantage can be that the pressure medium acting on the decoupling device 11 is present externally, ie outside the weaving machine, and is only available for decoupling the heald frames when needed, for example when changing articles.

Erfindungswesentlich nach Figur 5 ist, daß die Versorgungsleitung 17, ausgehend von der Entkupplungsvorrichtung 11, durch die Seitenstütze 15b des Webschaftes 15 geführt ist und in einem Anschluß 18 mündet.
Der Anschluß 18 ist im Falle einer pneumatisch oder hydraulisch beaufschlagten Schiebereinheit 13, 14 ein Druckmittelanschluß oder im Falle der Ausbildung als elektromagnetischer Antrieb 12 ein Elektroanschluß.It is essential to the invention according to FIG. 5 that the supply line 17, starting from the decoupling device 11, is guided through the side support 15b of the heald frame 15 and opens into a connection 18.
The connection 18 is a pressure medium connection in the case of a pneumatically or hydraulically actuated slide unit 13, 14 or an electrical connection in the case of an electromagnetic drive 12.

Figur 5 zeigt ferner eine stoßstangenseitige Kupplungseinheit 1 in gekuppeltem Zustand mit einer schaftseitigen Kupplungseinheit 3.
Die Stoßstange 10 ist in einer ersten Gelenkstelle 30a eines Umlenkhebels 30 angelenkt. In einer zweiten Gelenkstelle 30b ist die mit einem nicht dargestellten Schaftantrieb verbundene Zugstange 31 angelenkt.
Der Umlenkhebel 30 ist in einer Gelenktstelle 30c schwenkbar um deren Mittenachse 30c' gelagert.
Jede der Gelenktstellen 30a, 30b, 30c wird von einer Achse gebildet, die die Gelenkstelle für eine Vielzahl von Umlenkhebeln 30, Stoßstangen 10 und Zugstangen 31 ist.FIG. 5 also shows a coupling unit 1 on the bumper side in the coupled state with a coupling unit 3 on the shaft side.
The bumper 10 is articulated in a first articulation point 30a of a bell crank 30. The pull rod 31 connected to a shaft drive (not shown) is articulated in a second articulation point 30b.
The bell crank 30 is pivotally mounted in a joint 30c about its central axis 30c '.
Each of the articulation points 30a, 30b, 30c is formed by an axle which is the articulation point for a plurality of deflection levers 30, bumpers 10 and tie rods 31.

Figur 6 zeigt eine Vielzahl hintereinander angeordneter stoßstangenseitiger Kupplungseinheiten 3 mit Entkupplungsvorrichtung 11. Jede Entkupplungsvorrichtung weist ein Anschlußstück 16 auf, an das eine Druckmittelleitung 17 angeschlossen ist.
Die Druckmittelleitung 17 führt zu einem Druckmittelspeicher oder -verteiler 19, der über ein Sperrventil 20 und Leitung 21 an eine nicht dargestellte Druckmittelquelle p angeschlossen ist. FIG. 6 shows a large number of coupling units 3 with a decoupling device 11 arranged one behind the other on the bumper. Each decoupling device has a connecting piece 16 to which a pressure medium line 17 is connected.
The pressure medium line 17 leads to a pressure medium storage or distributor 19 which is connected via a check valve 20 and line 21 to a pressure medium source p, not shown.

ZEICHNUNGS-LEGENDEDRAWING LEGEND

0101
Kupplungseinheit, schaftseitigCoupling unit, on the shaft side
0202
Kupplungselementcoupling member
0303
Kupplungseinheit, stoßstangenseitigCoupling unit, on the bumper side
0404
Kupplungselementcoupling member
04a04a
Achseaxis
0505
Zugfedermainspring
0606
Hebelmechanismuslever mechanism
06a06a
Gelenkstellearticulation point
0707
Schwenkhebelpivoting lever
07a07a
Drehachseaxis of rotation
0808
Lagerplatte, vordereFront bearing plate
0909
Lagerplatte, hintereBearing plate, rear
1010
Stoßstangebumper
1111
EntkupplungsvorrichtungUncoupling
1212
Antriebdrive
12a12a
SpuleKitchen sink
12b12b
Magnetkernmagnetic core
1313
Schiebergehäuseslide housing
13a13a
Schiebergehäuse-BodenSlide housing bottom
13a'13a '
Ansatzapproach
13b13b
Aussparungrecess
13c13c
EinlaßInlet
1414
Schieberpusher
14a14a
Schieberflächegate surface
14b14b
Schieberflächegate surface
14c14c
Aussparungrecess
1515
Webschaftheald
15a15a
Schaftstab stave
15b15b
Seitenstützeside support
1616
Anschlußstückconnector
1717
Versorgungsleitungsupply line
1818
AnschlußConnection
1919
Druckmittelspeicher/-verteilerAccumulator / Distributor
2020
Sperrventilcheck valve
2121
Leitungmanagement
2222
Schraubescrew
2828
Gewindebohrungthreaded hole
3030
UmlenkhebelUmlenkhebel
30a30a
Gelenkstellearticulation point
30b30b
Gelenkstellearticulation point
30c30c
Gelenkstellearticulation point
30c'30c '
Mittenachsemid-axis
3131
Zugstangepull bar
pp
DruckmittelquellePressure medium source

Claims (11)

  1. Heald frame coupling having a device for disengaging a heald frame from push rods, comprising a heald frame-side coupling unit (1) having at least one first coupling element (2) and a push rod-side coupling unit (3) having at least one second coupling element (4) on which acts a lever mechanism (6) loaded by a tension spring (5) and having a pivoted lever (7) with a free end, which lever mechanism (6) allows engagement of the two coupling units (1, 3) and prevents disengagement and wherein the push rod-side coupling element (4) and the lever mechanism (6) are arranged between a front bearing plate (8) and a rear bearing plate (9) and are supported thereby and wherein furthermore the bearing plates (8, 9) are connected congruently with the push rod (10), characterised in that the disengagement is effected by means of a disengagement device (11) integral with the push rod-side coupling unit, mounted close to the lever mechanism (6) and acted upon by a pneumatic or hydraulic pressure medium, the disengagement device being in operative connection with the lever mechanism (6).
  2. A heald frame coupling having a device for disengaging a heald frame from push rods, comprising a heald frame-side coupling unit (1) having at least one first coupling element (2) and a push rod-side coupling unit (3) having at least one second coupling element (4) on which acts a lever mechanism (6) loaded by a tension spring (5) and having a pivoted lever (7) with a free end, which lever mechanism (6) allows engagement of the two coupling units (1, 3) and prevents disengagement and wherein the push rod-side coupling element (4) and the lever mechanism (6) are arranged between a front bearing plate (8) and a rear bearing plate (9) and are supported thereby, and wherein furthermore the bearing plates (8, 9) are connected congruently with the push rod (10), characterised in that the disengagement is effected by means of a disengagement device (11) in the form of an electromagnetic drive (12) integral with the push-rod side coupling unit, the electromagnetic drive (12) being operatively connected with the lever mechanism (6).
  3. A heald frame coupling according to claim 2, characterised in that the electromagnetic drive (12) is a solenoid actuator.
  4. A heald frame coupling according to claim 1, characterised in that the disengagement device (11) consists of a slider housing (13) with a single-acting slider (14) guided therein, the slider having a slider face (14a) on which a pressure medium acts and, opposing the slider face (14a), a slider face (14b) on which the free end of a pivoted lever (7) rests with the translated force of the tension spring (5).
  5. A heald frame coupling according to claim 4, characterised in that the slider housing (13) forms a rectangular guide for the slider (14), in that the travel of the slider (14) is limited on the one side by the inside of the slider housing base (13a) and on the other side by the magnitude of a pivoting angle α of the pivoting lever (7) resting on the outer slider face (14b) and in that, for connection of the slider housing (13) with the push rod-side coupling unit (3), the base (13a) of the slider housing (13) has at least one outer projection (13a').
  6. A heald frame coupling according to claims 4 and 5, characterised in that both the slider housing (13) and the slider (14) have a slot-like recess (13b, 14c respectively) in which the pivoted lever (7) is laterally guided.
  7. A loom having a plurality of heald frames which are arranged to be connected with push rods by way of heald frame couplings (1) according to one of the preceding claims, wherein each disengagement device comprises a connection connectible with a supply line, and wherein the heald frames consist of heald frame rods and side supports, characterised in that the push rod-side coupling unit (3), which has a pressure medium-operated or electromagnetically operated disengagement device (11), functions as frame-side coupling unit and the frame-side coupling unit (1) functions as push-rod side coupling unit, wherein parts of each heald frame receive the supply line (17) of the disengagement device (11) or, when the supply line is in the form of a pressure line, themselves form a supply line (17).
  8. A loom according to claim 7, characterised in that the parts of each heald frame are the side supports (15b) and/or at least one of the heald frame rods (15a).
  9. A loom according to claim 7, characterised in that, in the case of a pressure medium-operated disengagement device (11), each heald frame (15) has at least one pressure medium connection (18) for connection with a pressure medium source.
  10. A loom according to claim 7, characterised in that, in the case of an electromagnetically operated disengagement device (11), each heald frame (15) has at least one supply connection for a power cable for connection to a source of electricity.
  11. A loom having a plurality of heald frames that are arranged to be connected with push rods by way of heald frame couplings comprising coupling units, characterised in that each push rod-side coupling unit has an integrated disengagement device, which has a pressure medium connection provided with a supply line, and each supply line (17) is connected to a common pressure accumulator (19) that is in connection by way of a controllable shut-off valve (20) with a pressure medium source (p).
EP19960118558 1995-12-27 1996-11-20 Shaft coupling element with unlocking mechanism Expired - Lifetime EP0784111B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19548848 1995-12-27
DE19548848A DE19548848C1 (en) 1995-12-27 1995-12-27 Loom shaft uncoupling unit

Publications (3)

Publication Number Publication Date
EP0784111A2 EP0784111A2 (en) 1997-07-16
EP0784111A3 EP0784111A3 (en) 1998-02-11
EP0784111B1 true EP0784111B1 (en) 2002-10-02

Family

ID=7781499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960118558 Expired - Lifetime EP0784111B1 (en) 1995-12-27 1996-11-20 Shaft coupling element with unlocking mechanism

Country Status (5)

Country Link
US (1) US5810055A (en)
EP (1) EP0784111B1 (en)
JP (2) JP3140386B2 (en)
AT (1) ATE225419T1 (en)
DE (2) DE19548848C1 (en)

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Publication number Priority date Publication date Assignee Title
DE19640370C1 (en) * 1996-09-30 1998-02-12 Dornier Gmbh Lindauer Assemblies to hold and guide loom shaft rods
FR2815047B1 (en) * 2000-10-06 2003-02-07 Staubli Sa Ets HANGING DEVICE BETWEEN A STRING FRAME AND A LEVER AND WEAVING MACHINE INCORPORATING SUCH A DEVICE
DE10111017B4 (en) * 2001-03-07 2006-02-02 Lindauer Dornier Gmbh Drive for the heald frames of a loom
US7131672B2 (en) * 2002-05-03 2006-11-07 Hartwell Corporation Latch mechanism
JP3994897B2 (en) * 2003-03-18 2007-10-24 株式会社豊田自動織機 Opening device in loom
JP2007009606A (en) * 2005-07-01 2007-01-18 Muroto Tekkosho:Kk Safety device for attachment fastening device of power shovel
US20080053555A1 (en) * 2006-07-19 2008-03-06 Groz-Beckert Kg Shaft drive transmission and coupling rod
EP1992724B1 (en) * 2007-05-14 2012-01-25 Groz-Beckert KG Heald shaft divisible in two
EP2009157B1 (en) * 2007-06-26 2010-01-06 Groz-Beckert KG Frame connection device for a heald frame
DE102008035928A1 (en) * 2008-08-01 2010-02-04 Assa Abloy Sicherheitstechnik Gmbh Door opener with remote-controlled valve
EP2573240B1 (en) * 2011-09-20 2015-05-27 Groz-Beckert KG High speed safety heald shaft
EP2998421B1 (en) 2014-09-16 2020-04-08 Groz-Beckert KG Heald frame coupling and heald frame with the same
ITUB20155435A1 (en) * 2015-11-10 2016-02-10 Itema Spa Quick coupling system for square-healds in a weaving loom
FR3121152B1 (en) * 2021-03-24 2024-05-03 Staubli Faverges Pulling mechanism for controlling heddle frames of a loom and loom comprising such a mechanism

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DE2933699C3 (en) * 1979-08-21 1982-02-25 Lindauer Dornier Gmbh, 8990 Lindau Hitching device for the heald hoist on the heald frame
CH639706A5 (en) * 1979-09-28 1983-11-30 Rueti Ag Maschf DEVICE FOR COUPLING AN EXTENSION WITH A WEBSHAFT FRAME.
FR2540898A1 (en) * 1983-02-16 1984-08-17 Staubli Sa Ets HANGING DEVICE FOR THE SEMI-AUTOMATIC LINKAGE OF HARNESSES OF WEAVING MATERIALS WITH LEVERS INTENDED FOR THEIR CONTROL
DE3541042C1 (en) * 1985-11-19 1987-01-29 Grob & Co Ag Device for coupling a heald frame with a drive element
EP0279874B1 (en) * 1987-02-21 1990-05-16 Dr.-Ing. Rudolf Hell GmbH Picture drum clamping device
NO178181C (en) * 1988-06-27 1996-02-07 Kvaerner Brug As Sealing device for flexible tensioning joints in a tensioning platform platform leg
CH681374A5 (en) * 1989-07-07 1993-03-15 Sulzer Ag
IT1252301B (en) * 1991-11-15 1995-06-08 Nuovo Pignone Spa AUTOMATIC CONTROL SYSTEM FOR ELECTRONIC ROTARY DOBBY
DE59206671D1 (en) * 1992-11-13 1996-08-01 Rueti Ag Maschf Device for coupling and uncoupling heald frames and loom with such a device
EP0598161A1 (en) * 1992-11-13 1994-05-25 Sulzer RàœTi Ag Loom with automatic heald-locks
DE59208467D1 (en) * 1992-11-13 1997-06-12 Rueti Ag Maschf Device for receiving shaft rods and weaving machine with such a device
EP0598167A1 (en) * 1992-11-17 1994-05-25 Sulzer RàœTi Ag Coupling device for a heald frame and loom with coupling device
EP0654552A1 (en) * 1993-11-24 1995-05-24 Sulzer RàœTi Ag Heddle frames connection device and loom with such a device
DE4343882C1 (en) * 1993-12-22 1995-01-19 Dornier Gmbh Lindauer Heald-frame coupling and device for the simultaneous opening and closing of a plurality of heald-frame couplings in a weaving machine
JPH0941239A (en) * 1995-07-25 1997-02-10 Toyota Autom Loom Works Ltd Attaching and detaching apparatus of heald frame and attachment and detachment therefor

Also Published As

Publication number Publication date
DE59609750D1 (en) 2002-11-07
JP3140386B2 (en) 2001-03-05
DE19548848C1 (en) 1996-09-12
JP3544934B2 (en) 2004-07-21
JPH09209242A (en) 1997-08-12
EP0784111A2 (en) 1997-07-16
US5810055A (en) 1998-09-22
JP2001140139A (en) 2001-05-22
ATE225419T1 (en) 2002-10-15
EP0784111A3 (en) 1998-02-11

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