EP0107099B1 - Device to control a single heald in a loom having a shedding mechanism - Google Patents

Device to control a single heald in a loom having a shedding mechanism Download PDF

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Publication number
EP0107099B1
EP0107099B1 EP83109754A EP83109754A EP0107099B1 EP 0107099 B1 EP0107099 B1 EP 0107099B1 EP 83109754 A EP83109754 A EP 83109754A EP 83109754 A EP83109754 A EP 83109754A EP 0107099 B1 EP0107099 B1 EP 0107099B1
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EP
European Patent Office
Prior art keywords
individual
control device
control
notched
shaft
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Expired
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EP83109754A
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German (de)
French (fr)
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EP0107099A1 (en
Inventor
Francisco Speich
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Textilma AG
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Textilma AG
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for

Definitions

  • the invention relates to a single-strand control device for a loom provided with shafts according to the preamble of claim 1.
  • DE-OS 22 04 815 now describes a single strand control device of the type mentioned, in which separate drives are required to drive the individual coupling means which control the individual strands, as is customary for jacquard machines. This results in complicated and expensive individual strand control devices which are unsuitable for retrofitting in weaving machines with shafts, both in terms of construction volume and in terms of economy.
  • the object of the invention is to provide a single heald control device which, in particular, can also be retrofitted to weaving machines with shafts, is distinguished by a simple structure and enables a large variety of variations.
  • the object is achieved by the single strand control device according to claim 1.
  • the solution according to the invention makes a separate drive of the individual strand control device unnecessary, which results in a particularly simple construction of the individual strand control device, which is not only inexpensive, but in particular also requires a small construction volume, so that there is the possibility of subsequent installation in a weaving machine with shafts.
  • this design provides the further significant advantage that the control properties of the shaft device can be used in addition to the control properties of the selection device of the single-strand control device, so that there is a greater number of control options for the single-strand control device without additional effort.
  • the control of the boards is preferably carried out according to claim 4.
  • the engagement and disengagement of the control lug is improved by an embodiment according to claim 5.
  • a particularly flat and compact design of the selection device of the individual strand control device results from claim 6.
  • several such assemblies can be arranged next to one another.
  • Figure 1 shows a
  • the selection device 2 contains coupling means 8, which are designed as circuit boards 8 and can be controlled by means of electromagnets 10 according to FIG. 5 or electromagnets 12 according to FIG. 6. These electromagnets are connected to an electronic pattern control device 14. Harness threads 16 are connected to the top of the boards 8, which are guided downward via deflection rollers 18 and further via a bar-shaped guide board 20 to the individual strands 22. The latter are biased downward, for example, by means of springs 24.
  • Strand eyes 28 arranged in the individual strands 22 serve to guide threads 28 lying in the warp direction, which are generally warp threads, but in certain cases also can be individually fed threads for special tasks, such as auxiliary threads for tying weft loops of a needle loom.
  • the selection device is described in more detail in FIGS. 4 and 5.
  • the circuit board is mounted in a housing 30 of the selection device 2 so as to be displaceable in the vertical direction.
  • a driver nose 32 which interacts with a knife 34 1 , 34 2 of a knife device 36, the latter being coupled to the shaft drive 4.
  • the circuit board 8 1 is locked in an initial position which corresponds to the extreme position of the knife 34 1 , 34 2 of the knife device, which is opposed to the pretensioning of the individual strands 22 and the harness thread 16. Accordingly, the circuit board 8 1 can only follow the movement of the knife 34 under the influence of the pretensioning of the wire if the latched state has been released, as is indicated by dash-dotted lines in FIGS.
  • a control lug 28 which is arranged on a pawl 40 1 which is pivotably mounted in the housing 30 and is biased against the circuit board by means of a spring 42, is used to latch the circuit board 8 1 in place .
  • On the control lug 38 and on the recess of the detent stop 44 bevels 46, 48 are provided on the side opposite the detent surface, which facilitate the engagement or disengagement of the control lug 38 on the detent stop 44.
  • the electromagnet 10 1 which interacts with the pawl 40 and pulls it back against the bias of the spring 42, serves to release the catch.
  • the board 8 i can then follow the knife 34 1 , 34 2 of the knife device 36 in accordance with the pretensioning of the strand.
  • the circuit boards 8 are designed as flat strips, three circuit boards 8 1 , 8 2 , 8 2 being combined to form an assembly 49 1 , 49 2 , 49 2 , in which the circuit boards lie side by side. Accordingly, there are also three electromagnets 10 1 , 10 2 and 10 2 arranged one above the other, which actuate the three pawls 40 i , 40 2 and 40 3 arranged one above the other.
  • the electromagnets are designed as flat magnets, their thickness corresponding to three times the board pitch T. This results in extremely flat assemblies that can be strung together as required.
  • Figures 4 and 5 show three such assemblies.
  • the knife device 26 can have two knives 34 1 and 34 2 , which can be controlled in the same cycle or in a different cycle.
  • the driver lugs 22 point in the corresponding direction of the knife 34 2 .
  • FIG. 6 shows a modified embodiment of the device for latching the circuit board 8, the control lug 28 being arranged on an armature 50 which is slidably mounted in the electromagnet 12.
  • the armature 50 has a stepped part 52, around which a spring 54 is arranged, which is supported on a housing cover 56 of the electromagnet 12 and biases the armature 50 against the circuit board 8.
  • This arrangement is characterized by a particularly simple construction, which, however, requires a somewhat greater lateral height than the device in FIGS. 4 and 5.
  • the shaft drive 4 consists of a treading device which contains a driven shaft 58, on which cams 60 are fastened.
  • Two-armed levers 62 which are connected to the knife device 36 via connecting members 64, act on these cams.
  • the knives 34 of the knife device 36 can be suspended analogously to the shaft frame.
  • the cams 60 of the shaft drive 4 are optionally adjustable on the shaft 58 so that the control of the individual strands can be varied further.
  • FIG. 2 shows a further exemplary embodiment of a single-strand control device, which essentially corresponds to the exemplary embodiment of FIG. 1, but with boards 8 1 , 8 2 assigned to two different knives 34 1 and 34 2 being connected to one another via a connecting thread 60.
  • a block and tackle device establishes the connection between the sinkers 8 1 , 8 2 and at least one harness thread 72, the connecting thread 66 being guided over a deflection roller 68 to which a further deflection roller 70 is connected, via which the harness thread 72 is guided.
  • This harness thread 72 is fixedly attached to a frame at one end 74.
  • the other part 76 of the harness thread 72 is in turn guided via a deflection roller to the bar-shaped guide board 20 and connected to a single strand 22.
  • the individual strand 22 executes a movement according to the so-called double stroke principle, ie one stroke per weft insertion.
  • FIG. 3 shows a further exemplary embodiment of a single-strand control device, in which the knife device 36 is connected directly to a shaft frame 80.
  • the shaft frame has an attachment 82 which acts directly as a knife, which interacts with the driver lugs 32 of the plates 8.
  • the shaft frame 80 is connected to a drive device 86 via a lever gear 84. Otherwise, the mode of operation of this single-strand control device corresponds to the single-strand control device already described above.
  • Figures 7 and 8 show the arrangement of the Individual heald control device according to FIG. 2 in a weaving machine, whose shaft drive device 88 is formed from a shaft drive 4 designed as a tread device, to which various shaft frames 90 are connected.
  • the shaft drive 4 has a drive shaft 58 to which cams 60 are fastened. Double-armed levers 62 act on these cams, which are connected via connecting links 64 on the one hand to the shaft frame 90 and on the other hand to the knives 34 of the knife device 36.
  • the stem frames 90 are suspended via biasing springs 92 in a frame 94 for the stem frames.
  • the assemblies of the selection device 2 are also fastened to this frame 94.
  • two boards 8 1 and 8 2 which are driven by two different knives 34 1 and 34 2 of the knife device 36, are connected to one another via a connecting thread 66.
  • This connecting thread is guided analogously to the embodiment of FIG. 2 via a deflection roller 98 on the frame 94 to the deflection roller 68, which is connected to the deflection roller 70 for the harness threads 72.
  • One end 74 of the harness threads 72 is fastened to the frame and the other part 76 is guided via an upper guide board 98 and the lower bar-shaped guide board 20 to two individual strands 22 1 , 22 2 .
  • two interconnected boards 8 1 , 8 2 control single strand threads 22 1 and 22 2 according to the principle of double-stroke control.
  • FIG. 8 also shows how the shaft frame 90 and the individual strands 22 1 , 22 2 control the threads 28 to form a warp pocket.

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

Description

Die Erfindung betrifft eine Einzellitzensteuervorrichtung für eine mit Schäften versehene Webmaschine gemäss Oberbegriff des Anspruches 1.The invention relates to a single-strand control device for a loom provided with shafts according to the preamble of claim 1.

Bei Webmaschinen mit Schäften zur Fachbildung bereitet die Steuerung einzelner Litzen zur Musterung des herzustellenden Gewebes Schwierigkeiten. In der Regel weisen solche Webmaschinen mehrere Schäfte auf, in denen jeweils nur einzelne Litzen eingespannt sind, die zur Steuerung der Kettfäden dienen. Dies erbringt den Nachteil, dass eine solche Webmaschine eine Vielzahl von Schäften aufweisen muss, wodurch nicht nur ein komplizierter Antrieb erforderlich ist, sondern auch durch die Vielzahl der Schäfte eine relativ grosse Baugrösse bedingt ist. Dennoch ist die Variationsmöglichkeit auf einer solchen Webmaschine sehr begrenzt.In weaving machines with shafts for shedding, the control of individual strands for patterning the fabric to be produced is difficult. As a rule, such weaving machines have several shafts, in each of which only individual strands are clamped in, which serve to control the warp threads. This has the disadvantage that such a weaving machine must have a large number of shafts, as a result of which not only a complicated drive is required, but also a relatively large structural size is required due to the large number of shafts. Nevertheless, the possibility of variation on such a loom is very limited.

Die DE-OS 22 04 815 beschreibt nun eine Einzellitzensteuervorrichtung der eingangs genannten Art, bei welcher zum Antrieb der einzelnen Kupplungsmittel, welche die Einzellitzen steuern, gesonderte Antriebe erforderlich sind, wie dies für Jacquardmaschinen üblich ist. Damit ergeben sich komplizierte und teure Einzellitzensteuervorrichtungen, die für den nachträglichen Einbau in Webmaschinen mit Schäften sowohl vom Bauvolumen wie von der Wirtschaftlichkeit her gesehen nicht geeignet sind.DE-OS 22 04 815 now describes a single strand control device of the type mentioned, in which separate drives are required to drive the individual coupling means which control the individual strands, as is customary for jacquard machines. This results in complicated and expensive individual strand control devices which are unsuitable for retrofitting in weaving machines with shafts, both in terms of construction volume and in terms of economy.

Aufgabe der Erfindung ist es, eine Einzellitzensteuervorrichtung zu schaffen, die insbesondere auch nachträglich an Webmaschinen mit Schäften anbringbar ist, sich durch einen einfachen Aufbau auszeichnet und einen grossen Variationsreichtum ermöglicht.The object of the invention is to provide a single heald control device which, in particular, can also be retrofitted to weaving machines with shafts, is distinguished by a simple structure and enables a large variety of variations.

Die gestellte Aufgabe wird durch die Einzellitzensteuervorrichtung gemäss Anspruch 1 gelöst.The object is achieved by the single strand control device according to claim 1.

Durch die erfindungsgemässe Lösung wird ein gesonderter Antrieb der Einzellitzensteuervorrichtung überflüssig, wodurch sich ein besonders einfacher Aufbau der Einzellitzensteuervorrichtung ergibt, der nicht nur kostengünstig ist, sondern insbesondere auch ein geringes Bauvolumen beansprucht, sodass die Möglichkeit des nachträglichen Einbaus in eine Webmaschine mit Schäften besteht. Darüberhinaus erbringt diese Ausbildung den weiteren wesentlichen Vorteil, dass die Steuereigenschaften der Schaftvorrichtung zusätzlich zu den Steuereigenschaften der Auswahlvorrichtung der Einzellitzensteuervorrichtung herangezogen werden können, sodass sich ohne zusätzlichen Aufwand eine grössere Zahl von Steuerungsmöglichkeiten der Einzellitzensteuervorrichtung ergibt.The solution according to the invention makes a separate drive of the individual strand control device unnecessary, which results in a particularly simple construction of the individual strand control device, which is not only inexpensive, but in particular also requires a small construction volume, so that there is the possibility of subsequent installation in a weaving machine with shafts. In addition, this design provides the further significant advantage that the control properties of the shaft device can be used in addition to the control properties of the selection device of the single-strand control device, so that there is a greater number of control options for the single-strand control device without additional effort.

Vorteilhafte Ausbildungen der Einzellitzensteuervorrichtung sind in den Ansprüchen 2 bis 6 beschrieben. Der Antrieb der Einzellitzensteuervorrichtung kann gegebenenfalls von oben aus erfolgen. Besonders vorteilhaft und einfach ist jedoch eine Ausgestaltung der Einzellitzensteuervorrichtung nach Anspruch 2, da hier die Koppelglieder zwischen der Auswahlworrichtung und einer Schaltantriebsvorrichtung der Webmaschine besonders klein und einfach gehalten werden können.Advantageous designs of the single strand control device are described in claims 2 to 6. The individual strand control device can optionally be driven from above. However, an embodiment of the individual strand control device according to claim 2 is particularly advantageous and simple, since here the coupling members between the selection device and a shift drive device of the weaving machine can be kept particularly small and simple.

Eine einfache Befestigung der Elektromagnete der Auswahlvorrichtung ergibt sich gemäss Anspruch 3.A simple attachment of the electromagnets of the selection device results according to claim 3.

Die Steuerung der Platinen erfolgt vorzugsweise nach Anspruch 4. Das Einrasten und Ausrasten der Steuernase wird durch eine Ausbildung nach Anspruch 5 verbessert. Eine besonders flache und kompakte Bauweise der Auswahlvorrichtung der Einzellitzensteuervorrichtung ergibt sich nach Anspruch 6. Je nach Anzahl der gewünschten zu steuernden Einzellitzen können mehrere solcher Baugruppen neben einander angeordnet werden.The control of the boards is preferably carried out according to claim 4. The engagement and disengagement of the control lug is improved by an embodiment according to claim 5. A particularly flat and compact design of the selection device of the individual strand control device results from claim 6. Depending on the number of desired individual strands to be controlled, several such assemblies can be arranged next to one another.

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

  • Figur 1: eine Einzellitzensteuervorrichtung für Einfachhub in schematischer Seitenansicht;
  • Figur 2: eine Einzellitzensteuervorrichtung für Doppelhub in schematischer Seitenansicht;
  • Figur 3: eine Einzellitzensteuervorrichtung die mit einem Schaftrahmen gekoppelt ist in schematischer Vorderansicht;
  • Figur 4: die Auswahlvorrichtung in Ansicht von vorne;
  • Figur 5: die Auswahlvorrichtung im Schnitt V-V der Figur 4;
  • Figur 6: eine weitere Magnetanordnung für eine Auswahlvorrichtung in schematischer Seitenansicht;
  • Figur 7: eine Webmaschine mit der Einzeilitzensteuervorrichtung in Ansicht von vorne;
  • Figur 8: die Webmaschine der Figur 7 in Ansicht von der Seite.
Exemplary embodiments of the invention are described in more detail below with the aid of schematic drawings, in which:
  • Figure 1: a single strand control device for single stroke in a schematic side view;
  • Figure 2: a single strand control device for double stroke in a schematic side view;
  • FIG. 3: a single strand control device which is coupled to a shaft frame in a schematic front view;
  • Figure 4: the selection device in a view from the front;
  • Figure 5: the selection device in section VV of Figure 4;
  • FIG. 6: a further magnet arrangement for a selection device in a schematic side view;
  • FIG. 7: a weaving machine with the single-strand control device in a view from the front;
  • Figure 8: the weaving machine of Figure 7 in side view.

Die Figur 1 zeigt eineFigure 1 shows a

Einzellitzensteuervorrichtung mit einer Auswahlvorrichtung 2, die antriebsmässig mit einem Schaftantrieb 4 einer nicht näher dargestellten Webmaschine gekoppelt ist. Die Auswahlvorrichtung 2 enthält Kupplungsmittel 8, die als Platinen 8 ausgestaltet sind und mittels Elektromagnete 10 gemäss Figur 5 oder Elektromagnete 12 gemäss Figur 6 steuerbar sind. Diese Elektromagnete sind mit einer elektronischen Mustersteuervorrichtung 14 verbunden. An den Platinen 8 sind oben Harnischfäden 16 angeschlossen, die über Umlenkrollen 18 nach unten sowie weiter über ein balkenförmiges Führungsbrett 20 zu den Einzellitzen 22 geführt sind. Letztere sind beispielsweise mittels Federn 24 nach unten vorgespannt. In den Einzellitzen 22 angeordnete Litzenaugen 28 dienen zur Führung von in Kettrichtung liegenden Fäden 28, die in der Regel Kettfäden sind, in bestimmten Fällen aber auch einzeln zugeführte Fäden für spezielle Aufgaben sein können, wie beispielsweise Hilfsfäden zum Abbinden von Schussfadenschlaufen einer Nadelwebmaschine.Single-strand control device with a selection device 2, which is drivingly coupled to a shaft drive 4 of a weaving machine, not shown in detail. The selection device 2 contains coupling means 8, which are designed as circuit boards 8 and can be controlled by means of electromagnets 10 according to FIG. 5 or electromagnets 12 according to FIG. 6. These electromagnets are connected to an electronic pattern control device 14. Harness threads 16 are connected to the top of the boards 8, which are guided downward via deflection rollers 18 and further via a bar-shaped guide board 20 to the individual strands 22. The latter are biased downward, for example, by means of springs 24. Strand eyes 28 arranged in the individual strands 22 serve to guide threads 28 lying in the warp direction, which are generally warp threads, but in certain cases also can be individually fed threads for special tasks, such as auxiliary threads for tying weft loops of a needle loom.

Die Auswahlvorrichtung ist in den Figuren 4 und 5 näher beschrieben. Die Platine ist in einem Gehäuse 30 der Auswahlvorrichtung 2 in vertikaler Richtung verschieblich gelagert. Am unteren Ende der Platine 81 ist eine Mitnehmernase 32 angeordnet, die mit einem Messer 341, 342 einer Messervorrichtung 36 zusammen wirkt, wobei letztere mit dem Schaftantrieb 4 gekoppelt ist. Die Platine 81 ist in einer Ausgangsstellung eingerastet, welche der Extremstellung des Messers 341, 342 der Messervorrichtung entspricht, die der Vorspannung der Einzellitze 22 und des Harnischfadens 16 entgegen gesetzt ist. Dementsprechend kann die Platine 81 der Bewegung des Messers 34 unter dem Einfluss der Litzenvorspannung nur dann folgen, wenn der eingerastete Zustand aufgehoben ist, so wie dies in den Figuren 4 und 5 strichpunktiert angedeutet ist. Zum Einrasten der Platine 81 dient eine Steuernase 28, die an einer im Gehäuse 30 schwenkbar gelagerten Klinke 401 angeordnet ist, die mittels einer Feder 42 gegen die Platine vorgespannt ist. An der Platine ist ein als Ausnehmung ausgestalteter Rastanschlag 44 vorhanden, an dem die Steuernase 38 im eingerasteten Zustand ansteht. An der Steuernase 38 sowie an der Ausnehmung des Rastenanschlages 44 sind auf der der Rastfläche gegenüberliegenden Seite Abschrägungen 46,48 vorhanden, die ein Ein- beziehungsweise Ausrasten der Steuernase 38 am Rastenanschlag 44 erleichtern. Zum Lösen der Rastung dient der Elektromagnet 101, der mit der Klinke 40 zusammenwirkt und diese entgegen der Vorspannung der Feder 42 zurückzieht. Die Platine 8i kann dann entsprechend der Vorspannung der Litze dem Messer 341, 342 der Messervorrichtung 36 folgen.The selection device is described in more detail in FIGS. 4 and 5. The circuit board is mounted in a housing 30 of the selection device 2 so as to be displaceable in the vertical direction. At the lower end of the circuit board 8 1 there is a driver nose 32 which interacts with a knife 34 1 , 34 2 of a knife device 36, the latter being coupled to the shaft drive 4. The circuit board 8 1 is locked in an initial position which corresponds to the extreme position of the knife 34 1 , 34 2 of the knife device, which is opposed to the pretensioning of the individual strands 22 and the harness thread 16. Accordingly, the circuit board 8 1 can only follow the movement of the knife 34 under the influence of the pretensioning of the wire if the latched state has been released, as is indicated by dash-dotted lines in FIGS. 4 and 5. A control lug 28, which is arranged on a pawl 40 1 which is pivotably mounted in the housing 30 and is biased against the circuit board by means of a spring 42, is used to latch the circuit board 8 1 in place . On the circuit board there is a detent stop 44 in the form of a recess, against which the control lug 38 abuts in the engaged state. On the control lug 38 and on the recess of the detent stop 44, bevels 46, 48 are provided on the side opposite the detent surface, which facilitate the engagement or disengagement of the control lug 38 on the detent stop 44. The electromagnet 10 1 , which interacts with the pawl 40 and pulls it back against the bias of the spring 42, serves to release the catch. The board 8 i can then follow the knife 34 1 , 34 2 of the knife device 36 in accordance with the pretensioning of the strand.

Im Ausführungsbeispiel der Figuren 4 und 5 sind die Platinen 8 als flache Leisten ausgebildet, wobei jeweils drei Platinen 81, 82, 82 zu einer Baugruppe 491, 492, 492 zusammengefasst sind, in der die Platinen seitlich nebeneinander liegen. Dementsprechend sind auch drei übereinander angeordnete Elektromagnete 101, 102 und 102 vorhanden, die die drei übereinander angeordneten Klinken 40i, 402 und 403 betätigen. Die Elektromagnete sind als Flachmagnete ausgebildet, wobei ihre Dicke der dreifachen Platinenteilung T entspricht. Damit ergeben sich ausserordentlich flache Baugruppen, die beliebig aneinander gereiht werden können. In den Figuren 4 und 5 sind drei solcher Baugruppen dargestellt. In den Figuren 4 und 5 ist weiter dargestellt, dass die Messervorrichtung 26 zwei Messer 341 und 342 aufweisen kann, die im gleichen Takt oder in unterschiedlichem Takt gesteuert sein können. Bei jenen Platinen, die mit dem zweiten Messer 342 zusammenwirken sollen, weisen die Mitnehmernasen 22 in die entsprechende Richtung des Messers 342.In the exemplary embodiment in FIGS. 4 and 5, the circuit boards 8 are designed as flat strips, three circuit boards 8 1 , 8 2 , 8 2 being combined to form an assembly 49 1 , 49 2 , 49 2 , in which the circuit boards lie side by side. Accordingly, there are also three electromagnets 10 1 , 10 2 and 10 2 arranged one above the other, which actuate the three pawls 40 i , 40 2 and 40 3 arranged one above the other. The electromagnets are designed as flat magnets, their thickness corresponding to three times the board pitch T. This results in extremely flat assemblies that can be strung together as required. Figures 4 and 5 show three such assemblies. FIGS. 4 and 5 also show that the knife device 26 can have two knives 34 1 and 34 2 , which can be controlled in the same cycle or in a different cycle. In the case of those blanks which are to interact with the second knife 34 2 , the driver lugs 22 point in the corresponding direction of the knife 34 2 .

Die Figur 6 zeigt eine abgewandelte Ausführungsform der Vorrichtung zum Einrasten der Platine 8, wobei die Steuernase 28 an einem Anker 50 angeordnet ist, der in dem Elektromagnet 12 verschiebar gelagert ist. Der Anker 50 weist einen abgesetzten Teil 52 auf, um den eine Feder 54 angeordnet ist, die sich an einem Gehäusedeckel 56 des Elektromagneten 12 abstützt und den Anker 50 gegen die Platine 8 vorspannt. Diese Anordnung zeichnet sich durch einen besonders einfachen Aufbau aus, der allerdings eine etwas grössere seitliche Bauhöhe erfordert, als die Vorrichtung der Figuren 4 und 5.FIG. 6 shows a modified embodiment of the device for latching the circuit board 8, the control lug 28 being arranged on an armature 50 which is slidably mounted in the electromagnet 12. The armature 50 has a stepped part 52, around which a spring 54 is arranged, which is supported on a housing cover 56 of the electromagnet 12 and biases the armature 50 against the circuit board 8. This arrangement is characterized by a particularly simple construction, which, however, requires a somewhat greater lateral height than the device in FIGS. 4 and 5.

Wie aus Figur 1 hervorgeht, besteht der Schaftantrieb 4 aus einer Trittvorrichtung, die eine angetriebene Welle 58 enthalt, auf der Nocken 60 befestigt sind. An diesen Nocken greifen zweiarmige Hebel 62 an, die mit der Messervorrichtung 36 über Verbindungsglieder 64 verbunden sind. Die Messer 34 der Messervorrichtung 36 können analog den Schaftrahmen aufgehängt sein. Die Nocken 60 des Schaftantriebes 4 sind gegebenenfalls verstellbar an der Welle 58 angeordnet, so dass die Steuerung der Einzellitzen weiter variiert werden kann.As can be seen from FIG. 1, the shaft drive 4 consists of a treading device which contains a driven shaft 58, on which cams 60 are fastened. Two-armed levers 62, which are connected to the knife device 36 via connecting members 64, act on these cams. The knives 34 of the knife device 36 can be suspended analogously to the shaft frame. The cams 60 of the shaft drive 4 are optionally adjustable on the shaft 58 so that the control of the individual strands can be varied further.

Die Figur 2 zeigt ein weiteres Ausführungsbeispiel einer Einzellitzensteuervorrichtung, welche im wesentlichen dem Ausführungsbeispiel der Figur 1 entspricht, wobei jedoch zwei verschiedenen Messern 341 und 342 zugeordnete Platinen 81, 82 über einen Verbindungsfaden 60 miteinander verbunden aind. Eine Flaschenzugvorrichtung stellt die Verbindung zwischen den Platinen 81, 82 und mindestens einem Harnischfaden 72 her, wobei der Verbindungsfaden 66 über eine Umlenkrolle 68 geführt ist, an der eine weitere Umlenkrolle 70 angeschlossen ist, über die der Harnischfaden 72 geführt ist. Dabei ist dieser Harnischfaden 72 mit einem Ende 74 fest an einem Gestell befestigt. Der andere Teil 76 des Harnischfadens 72 ist über eine Umlenkrolle wiederum zum balkenförmigen Führungsbrett 20 geführt und mit einer Einzellitze 22 verbunden. Bei dieser Ausführungsform der Einzellitzensteuerung führt die Einzellitze 22 eine Bewegung nach dem sogenannten Doppelhubprinzip aus, d. h. pro Schusseintrag ein Hub.FIG. 2 shows a further exemplary embodiment of a single-strand control device, which essentially corresponds to the exemplary embodiment of FIG. 1, but with boards 8 1 , 8 2 assigned to two different knives 34 1 and 34 2 being connected to one another via a connecting thread 60. A block and tackle device establishes the connection between the sinkers 8 1 , 8 2 and at least one harness thread 72, the connecting thread 66 being guided over a deflection roller 68 to which a further deflection roller 70 is connected, via which the harness thread 72 is guided. This harness thread 72 is fixedly attached to a frame at one end 74. The other part 76 of the harness thread 72 is in turn guided via a deflection roller to the bar-shaped guide board 20 and connected to a single strand 22. In this embodiment of the individual strand control, the individual strand 22 executes a movement according to the so-called double stroke principle, ie one stroke per weft insertion.

Die Figur 3 zeigt ein weiteres Ausführungsbeispiel einer Einzellitzensteuervorrichtung, bei der die Messervorrichtung 36 direkt mit einem Schaftrahmen 80 verbunden ist. Hierzu weist der Schaftrahmen einen Ansatz 82 auf, der direkt als Messer wirkt, welches mit den Mitnehmernasen 32 der Platinen 8 zusammen wirkt. Der Schaftrahmen 80 ist über ein Hebelgetriebe 84 mit einer Antriebsvorrichtung 86 verbunden. Im übrigen entspricht die Wirkungsweise dieser Einzellitzensteuervorrichtung dem bereits oben beschriebenen Einzellitzensteuervorrichtungen.FIG. 3 shows a further exemplary embodiment of a single-strand control device, in which the knife device 36 is connected directly to a shaft frame 80. For this purpose, the shaft frame has an attachment 82 which acts directly as a knife, which interacts with the driver lugs 32 of the plates 8. The shaft frame 80 is connected to a drive device 86 via a lever gear 84. Otherwise, the mode of operation of this single-strand control device corresponds to the single-strand control device already described above.

Die Figuren 7 und 8 zeigen die Anordnung der Einzellitzensteuervorrichtung gemäss Figur 2 in einer Webmaschine, deren Schaftantriebsvorrichtung 88 aus einem als Trittvorrichtung ausgebildeten Schaftantrieb 4 gebildet ist, an dem verschiedene Schaftrahmen 90 angeschlossen sind. Der Schaftantrieb 4 weist eine Antriebswelle 58 auf, an der Nocken 60 befestigt sind. An diesen Nocken greifen doppelarmige Hebel 62 an, die über Verbindungsglieder 64 einerseits mit den Schaftrahmen 90 und andererseits mit den Messern 34 der Messervorrichtung 36 verbunden sind. Die Schaftrahmen 90 sind über Vorspannfedern 92 in einem Gestell 94 für die Schaftrahmen aufgehängt. An diesem Gestell 94 sind auch die Baugruppen der Auswahlvorrichtung 2 befestigt. In dem gezeigten Beispiel sind jeweils zwei Platinen 81 und 82, die von zwei verschiedenen Messern 341 und 342 der Messervorrichtung 36 angetrieben werden, über einen Verbindungsfaden 66 miteinander verbunden. Dieser Verbindungsfaden ist analog dem Ausführungsbeispiel der Fig. 2 über eine Umlenkrolle 98 am Gestell 94 zu der Umlenkrolle 68 geführt, die mit der Umlenkrolle 70 für die Harnischfäden 72 verbunden ist. Ein Ende 74 der Harnischfäden 72 ist jeweils am Gestell befestigt und der andere Teil 76 ist über ein oberes Führungsbrett 98 und das untere balkenförmige Führungsbrett 20 zu zwei Einzellitzen 221, 222 geführt. Im gezeigten Beispiel steuern zwei miteinander verbundene Platinen 81, 82 nach dem Prinzip der Doppelhubsteuerung Einzellitzenfäden 221 und 222. Es lassen sich beliebig viele Baugruppen der Auswahlvorrichtung 2 und beliebig viele Einzellitzen 22 mit dieser Einzellitzensteuervorrichtung steuern. In der Figur 8 ist weiter gezeigt, wie die Schaftrahmen 90 und die Einzellitzen 221, 222 die Fäden 28 zur Bildung eines Kettfaches steuern.Figures 7 and 8 show the arrangement of the Individual heald control device according to FIG. 2 in a weaving machine, whose shaft drive device 88 is formed from a shaft drive 4 designed as a tread device, to which various shaft frames 90 are connected. The shaft drive 4 has a drive shaft 58 to which cams 60 are fastened. Double-armed levers 62 act on these cams, which are connected via connecting links 64 on the one hand to the shaft frame 90 and on the other hand to the knives 34 of the knife device 36. The stem frames 90 are suspended via biasing springs 92 in a frame 94 for the stem frames. The assemblies of the selection device 2 are also fastened to this frame 94. In the example shown, two boards 8 1 and 8 2 , which are driven by two different knives 34 1 and 34 2 of the knife device 36, are connected to one another via a connecting thread 66. This connecting thread is guided analogously to the embodiment of FIG. 2 via a deflection roller 98 on the frame 94 to the deflection roller 68, which is connected to the deflection roller 70 for the harness threads 72. One end 74 of the harness threads 72 is fastened to the frame and the other part 76 is guided via an upper guide board 98 and the lower bar-shaped guide board 20 to two individual strands 22 1 , 22 2 . In the example shown, two interconnected boards 8 1 , 8 2 control single strand threads 22 1 and 22 2 according to the principle of double-stroke control. Any number of assemblies of the selection device 2 and any number of individual strands 22 can be controlled with this single strand control device. FIG. 8 also shows how the shaft frame 90 and the individual strands 22 1 , 22 2 control the threads 28 to form a warp pocket.

Figure imgb0001
Figure imgb0001
Figure imgb0002
Figure imgb0002

Claims (6)

1. An individual heald control device for a weaving loom which is provided with shafts and the shafts of which communicate with a shaft driving device, in which the individual heald control has a selection device (2) with coupling means (6) for each individual heald (22, 221, 222) biassed in one direction and the individual heald in each case either can be engaged by means of electromagnets (10, 12) which are connected to an electronic pattern control device (14), or can be connected to a drive characterised in that the selection device (2) has a knife device (36), the knives (34' 341 342, 82) of which; while dispensing with a separate drive, can either be coupled with driving elements (62) of the shafts which become vacant as a result of removal of shafts, for example shaft levers, or can in each case be fastened to a shaft frame (80) and in which, associated with the knives (34, 341, 342, 82) in each case, as coupling means (6), are pawls (40) and notched bars (8, 81, 82, 83) connected to the individual healds (22, 221, 222) and having entrainment noses (32).
2. An individual heald control device according to claim 1, characterised in that the entrainment noses (32) of the notched bars (8, 81, 82, 83) are arranged beneath a holder containing the electromagnets (10,12), and in which harness threads (16, 72) or connection threads (66) are connected to the top of the notched bars and are conducted by way of, preferably rolling, guide devies downwards again to form at least one harness.
3. An individual heald control device according to claim 1, characterised in that the electromagnets (10, 12) can be fastened to the frame (94) for the shaft frames (90), and a guide (20) for harness threads (16, 72) connecting the individual healds (22, 221, 222) to the notched bars (8, 81, 82, 83) is designed as at least one beam- shaped guide plate that can be arranged parallel to the shaft frames.
4. An individual heald control device according to claim 1, characterised in that each toothed bar (8, 81, 82, 83) has a detent stop (44) which is preferably designed as a recess and towards which there is biassed a control nose (38) which is withdrawable by means of the electromagnet (10,12) and which is arranged on an armature (50) mounted so as to be axially displaceable in the electromagnet (12).
5. An individual heald control device according to claim 1, characterised in that the lift of the knife device (36) upon each stroke cycle goes so far beyond the detent position of the notched bar (8, 81, 32, 83) that the engaged control noses (38) are relievable from the detent stop (44) of the notched bar and can be brought into engagement with bevels (46,48) which are arranged at those sides of the control noses (38) or respectively of the notched bars (8, 81, 82, 83) which lie opposite to the detent surfaces of the control noses (38) and/or the detent stops (44).
6. An individual heald control device according to claim 1, characterised in that in each case n notched bar (8, 81, 82 83), in which respect n is preferably egual to 3, are combined into a subassembly in which the notched bars are arranged laterally side-by-side and the electromagnets (101, 102, 103) are arranged one above the other in the longitudinal direction of the notched bars (81, 82, 83).
EP83109754A 1982-10-26 1983-09-29 Device to control a single heald in a loom having a shedding mechanism Expired EP0107099B1 (en)

Applications Claiming Priority (2)

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CH625082 1982-10-26
CH6250/82 1982-10-26

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EP0107099B1 true EP0107099B1 (en) 1986-09-24

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EP (1) EP0107099B1 (en)
JP (2) JPS5994645A (en)
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Publication number Priority date Publication date Assignee Title
CN103459689A (en) * 2011-03-29 2013-12-18 林道尔·多尼尔有限责任公司 Method and weaving machine for shedding
CN103459689B (en) * 2011-03-29 2015-11-25 林道尔·多尼尔有限责任公司 For the formation of method and the loom of shed open

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JPH04131678U (en) 1992-12-03
JPS5994645A (en) 1984-05-31
DE3366471D1 (en) 1986-10-30
DE3301931A1 (en) 1984-07-05
DE3301931C2 (en) 1986-08-28
ES8406581A1 (en) 1984-08-01
ES526506A0 (en) 1984-08-01
US4572247A (en) 1986-02-25
EP0107099A1 (en) 1984-05-02

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