EP0786026B1 - Weft thread monitoring system in a circular loom - Google Patents
Weft thread monitoring system in a circular loom Download PDFInfo
- Publication number
- EP0786026B1 EP0786026B1 EP95930329A EP95930329A EP0786026B1 EP 0786026 B1 EP0786026 B1 EP 0786026B1 EP 95930329 A EP95930329 A EP 95930329A EP 95930329 A EP95930329 A EP 95930329A EP 0786026 B1 EP0786026 B1 EP 0786026B1
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- EP
- European Patent Office
- Prior art keywords
- weft
- permanent magnet
- pivoting lever
- circular
- circular loom
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/34—Weft stop motions
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S242/00—Winding, tensioning, or guiding
- Y10S242/912—Indicator or alarm
Definitions
- the present invention relates to a device for Monitoring of the weft threads on a circular loom, which of the respective bobbin along in the shed a circular shooter formed by the circular train developed and to the fabric edge of the generated Tubular tissue are given, the scanning means monitor each weft thread to find a weft fault to generate an electrical control signal and with one of the pulled weft against the action of spring-like restoring means deflected swivel lever.
- Circular looms are generally known, in which a plurality of partial shafts circularly around the round rod Machine are arranged around each and a plurality of inner and outer healds to guide a part of each wear two warp threads distributed all around, to which Formation of the web or hiking subject over the circumferential Main shaft an opposite up and down alternating movement is granted.
- the one in the round shaft of the main shaft revolving shooters carry the to be deducted from the relevant entrained coil Weft thread continuously in the traveling compartment. That so The tubular fabric produced is then pulled off and flat rolled up folded.
- Photo-optical signaling device in which the photocell through activated a reflecting surface swiveling into the light beam becomes.
- these light barriers can be used today Requirements, especially with regard to the essential increased revolutions of the shooters and the generation of precise control signals, nothing more are enough.
- Photoelectric sensors are always susceptible to the effects of external light, dust quickly and leave processing of reflex tapes due to "Blindness" is not too.
- AT 387 797 discloses a weft monitor for a circular loom, at which is a reflector on a thread guide rod deflected by the weft thread is arranged.
- the reflector In normal operation, the reflector is outside of the Beam path of a light transmitter. If the weft breaks, it moves Thread guide rod in an end position in which the reflector is in the beam path of the Light transmitter is located and reflects the light rays to a light receiver that then emits a signal that causes the loom to stop.
- a device which as a weft monitor in a loom can be used, consisting of a fixed part in which a moving part is guided, which sets in an alternating translational movement can be.
- a permanent magnet or an electromagnet that passes through Direct or alternating current is supplied, which is in operation in a coil in the moving part induces a voltage.
- the coil is connected to a switch connected to another coil, which is closed in a fourth coil when the switch is closed fixed part induces a voltage from which it can be recognized whether the switch is closed or not.
- the switch on the moving part can be in a loom depending on a broken thread through capacitive or inductive coupling can be controlled, in the latter case one on a fall bar, which only by the continuous weft thread is held in the raised position, mounted magnet the switch closes when the fall bar falls down with a broken thread.
- this is first achieved in that the electrical control signal from a fixedly arranged in the area of the orbital shuttle Magnetic sensor can be generated, the one worn by the respective shooter Permanent magnet interacts, the permanent magnet being arranged on the pivot lever and outside of the Operational connection with the magnetic sensor is kept to at one Weft defects under the action of the restoring means in his, a Operational connection of the permanent magnet with the magnetic sensor for generation of an active control signal producing end position.
- Such a device is not subject to extraneous light or interference Dusting up any wear.
- this facility also allows processing of reflective tapes, works safely for everyone Rifle rotation speed and has a very high Responsiveness and speed.
- a simple and absolutely reliable construction can also be achieved in that the permanent magnet at its free end carrying swivel levers its pivot axis on the shooter's thread insert is arranged and under the action of a return spring stands, with the drawn weft at an end region penetrates free end of the pivot lever or at least partially wraps around, or that of the permanent magnet its free end carrying swivel lever with its Pivot axis arranged on the axis of rotation of the weft bobbin is and under the action of a return spring stands, with the drawn weft at an end region penetrates free end of the pivot lever or at least partially wraps around.
- the circular loom according to FIG. 1 rests in the usual way on a machine base frame 1, on which there is a circular Frame support 2 supports a Rundriet 3, one On and off switch 4 for the machine and other frame parts 5 for supporting shafts 6 carries.
- This Shafts 6 are circular in a known manner around the main shaft 8 arranged around the machine and form the essential Part of the technical resources of the machine. in the further supports the base frame 1 of the support 9 for the Fabric take-off device, which here only by fabric take-off rollers 10 is indicated. In the fume cupboard is also a fabric spreader 14 effective.
- warp threads 7, the course of which is only indicated is in two warp thread groups arranged all around divided and are in a known manner by not Subtracted groups of warp bobbins deducted.
- For Formation of the shed is then raised one of these coulters, while the other through from the height of the weaving plane the so-called subject change movement is brought down, so that a warp thread pocket 7 'and a warp thread pocket 7 "(Fig. 2 and 4).
- web or Wanderfach then runs at least one shooter 30 in the But generally several with one weft bobbin 31 (FIG. 4) on a horizontal circular path. Through the circular movement the shooter is the one from the weft bobbin unwound weft 32 (Fig. 2, 3 and 4) to the Fabric edge 13 of the tubular fabric produced, so that this weft thread is woven into the fabric can.
- the tubular fabric can then be pulled off and up be folded into a flat tubular fabric.
- Circular loom now consists of that of the Bobbins 31 of the revolving shooters 30 wefts drawn off 32 carefully and functionally to monitor in the event of a weft defect, the machine is generated using a To be able to control control signal 23 accordingly.
- the electrical control signal 23 from one, in the area of the orbit of the shooters 30 arranged magnetic sensor 22 can be generated with one of the respective shooters 30th worn permanent magnet 24 cooperates.
- FIGS. 2 and 3 show in more detail, is at a first embodiment of the permanent magnet 24 its free end carrying pivot lever 26 with its Swivel axis 27 on the thread insert 30 'of the shooter 30 arranged and is under the action of a return spring 25, wherein the drawn weft ends at an end penetrates free end of the pivot lever 26 or at least partially wraps around.
- the permanent magnet 24 ' at its free end carrying pivot lever 26 'with its Pivot axis 27 'on the axis of rotation of the weft bobbin 31 be arranged and under the action of a return spring 25 'stand, the drawn weft thread also here an end region at the free end of the pivot lever 26 ' penetrates or at least partially wraps around.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
Die vorliegende Erfindung betrifft eine Einrichtung zur Ueberwachung der Schussfäden an einer Rundwebmaschine, welche von der jeweiligen Spule der im Webfach entlang einer vom Rundriet gebildeten Kreisbahn umlaufenden Webschützen abgewickelt und an den Geweberand des erzeugten Schlauchgewebes abgegeben werden, wobei Abtastmittel den jeweiligen Schussfaden überwachen, um bei einem Schussfadenfehler ein elektrisches Regelsignal zu erzeugen und mit einem vom abgezogenen Schußfaden gegen die Wirkung von federartigen Rückstellmitteln ausgelenkten Schwenkhebel.The present invention relates to a device for Monitoring of the weft threads on a circular loom, which of the respective bobbin along in the shed a circular shooter formed by the circular train developed and to the fabric edge of the generated Tubular tissue are given, the scanning means monitor each weft thread to find a weft fault to generate an electrical control signal and with one of the pulled weft against the action of spring-like restoring means deflected swivel lever.
Es sind allgemein Rundwebmaschinen bekannt, bei welchen eine Mehrzahl Teilschäfte kreisförmig um das Rundriet der Maschine herum angeordnet sind und je eine Mehrzahl innere und äussere Weblitzen zur Führung jeweils eines Teils der zwei ringsumverteilten Kettfadenscharen tragen, denen zur Bildung des Web- bzw. Wanderfaches über die umlaufende Hauptwelle eine gegenläufige auf- und niedergehende Wechselbewegung erteilt wird. Die im Rundriet von der Hauptwelle umlaufend angetriebenen Webschützen tragen dabei den, von der betreffenden mitgeführten Spule abzuziehenden Schussfaden kontinuierlich in das Wanderfach ein. Das so erzeugte Schlauchgewebe wird dann abgezogen und flach zusammengelegt aufgewickelt.Circular looms are generally known, in which a plurality of partial shafts circularly around the round rod Machine are arranged around each and a plurality of inner and outer healds to guide a part of each wear two warp threads distributed all around, to which Formation of the web or hiking subject over the circumferential Main shaft an opposite up and down alternating movement is granted. The one in the round shaft of the main shaft revolving shooters carry the to be deducted from the relevant entrained coil Weft thread continuously in the traveling compartment. That so The tubular fabric produced is then pulled off and flat rolled up folded.
Dabei ist es wesentlich, das ordnungsgemässe Vorhandensein der von den Spulen der umlaufenden Schützen abgezogenen Schussfäden sorgfältigst zu überwachen, um bei einem Schussfadenfehler, etwa durch Schussfadenbruch oder Erschöpfung der Schussfadenspule, die Maschine zur Vermeidung von Webfehler entsprechend ansteuern, beispielsweise sofort abstellen zu können.It is essential to ensure the correct existence withdrawn from the coils of the rotating shooters Monitor weft threads very carefully in order to Weft defects, for example due to weft breakage or exhaustion the weft bobbin, the machine to avoid Control web errors accordingly, for example immediately to be able to park.
Bekannte Einrichtungen dieser Art verwenden hierfür u.a. photooptische Signalgeber, bei denen die Fotozelle durch eine in den Lichtstrahl einschwenkende Reflexfläche aktiviert wird. Diese Lichtschranken können aber den heutigen Anforderungen, insbesondere auch im Hinblick auf die wesentlich erhöhten Umlaufgeschwindigkeiten der Webschützen und die Erzeugung präziser Steuersignale, nicht mehr genügen. Lichtschranken sind dabei von je her anfällig auf Fremdlichteinwirkungen, verstauben schnell und lassen eine Verarbeitung von Reflexbändchen wegen "Erblinden" nicht zu.Known facilities of this type use, among other things, Photo-optical signaling device, in which the photocell through activated a reflecting surface swiveling into the light beam becomes. However, these light barriers can be used today Requirements, especially with regard to the essential increased revolutions of the shooters and the generation of precise control signals, nothing more are enough. Photoelectric sensors are always susceptible to the effects of external light, dust quickly and leave processing of reflex tapes due to "Blindness" is not too.
Die AT 387 797 offenbart einen Schußfadenwächter für eine Rundwebmaschine, bei der ein Reflektor auf einer durch den Schußfaden ausgelenkten Fadenführerstange angeordnet ist. Im normalen Betrieb befindet sich der Reflektor außerhalb des Strahlenwegs eines Lichtsenders. Reißt der Schußfaden, so bewegt sich die Fadenführerstange in eine Endlage, in der sich der Reflektor im Strahlenweg des Lichtsenders befindet und die Lichtstrahlen zu einem Lichtempfänger reflektiert, der daraufhin ein Signal abgibt, das zum Anhalten des Webstuhls führt.AT 387 797 discloses a weft monitor for a circular loom, at which is a reflector on a thread guide rod deflected by the weft thread is arranged. In normal operation, the reflector is outside of the Beam path of a light transmitter. If the weft breaks, it moves Thread guide rod in an end position in which the reflector is in the beam path of the Light transmitter is located and reflects the light rays to a light receiver that then emits a signal that causes the loom to stop.
Aus der CH-A-489 641 ist eine Vorrichtung bekannt, die als Schußfadenwächter in einem Webstuhl verwendet werden kann, bestehend aus einem fixen Teil, in dem ein beweglicher Teil geführt wird, der in eine abwechselnde Translationsbewegung versetzt werden kann. Auf dem fixen Teil ist ein Dauermagnet oder ein Elektromagnet, der durch Gleich- oder Wechselstrom gespeist wird, vorgesehen, der im Betrieb in einer Spule im beweglichen Teil eine Spannung induziert. Die Spule ist über einen Schalter mit einer weiteren Spule verbunden, die bei geschlossenem Schalter in einer vierten Spule am fixen Teil eine Spannung induziert, aus der erkannt werden kann, ob der Schalter geschlossen ist oder nicht. Der Schalter am beweglichen Teil kann in einem Webstuhl in Abhängigkeit eines gerissenen Fadens durch kapazitive oder induktive Kopplung angesteuert werden, wobei im letzteren Fall ein auf einem Fallbügel, der nur durch den durchlaufenden Schußfaden in gehobener Stellung gehalten wird, montierter Magnet den Schalter schließt, wenn der Fallbügel bei gerissenem Faden herunterfällt. From CH-A-489 641 a device is known which as a weft monitor in a loom can be used, consisting of a fixed part in which a moving part is guided, which sets in an alternating translational movement can be. On the fixed part is a permanent magnet or an electromagnet that passes through Direct or alternating current is supplied, which is in operation in a coil in the moving part induces a voltage. The coil is connected to a switch connected to another coil, which is closed in a fourth coil when the switch is closed fixed part induces a voltage from which it can be recognized whether the switch is closed or not. The switch on the moving part can be in a loom depending on a broken thread through capacitive or inductive coupling can be controlled, in the latter case one on a fall bar, which only by the continuous weft thread is held in the raised position, mounted magnet the switch closes when the fall bar falls down with a broken thread.
Es ist somit Aufgabe der vorliegenden Erfindung, eine Einrichtung zur Überwachung der Schußfäden an einer Rundwebmaschine zu schaffen, der die Nachteile des bekannten Standes der Technik nicht anhaftet.It is therefore an object of the present invention to provide a device for monitoring the To create wefts on a circular loom, the disadvantages of the known State of the art not attached.
Dies wird erfindungsgemäß zunächst dadurch erreicht, daß das elektrische Regelsignal von einem, im Bereich der Umlaufbahn der Webschützen ortsfest angeordneten Magnet-Sensor erzeugbar ist, der mit einem vom jeweiligen Webschützen getragenen Permanentmagneten zusammenwirkt, wobei der Permanentmagnet auf dem Schwenkhebel angeordnet und außerhalb der Wirkungsverbindung mit dem Magnet-Sensor gehalten ist, um bei einem Schußfadenfehler unter der Wirkung der Rückstellmittel in seine, eine Wirkungsverbindung des Permanentmagneten mit dem Magnet-Sensor zur Erzeugung eines aktiven Regelsignals herstellende Endlage zu gelangen.According to the invention, this is first achieved in that the electrical control signal from a fixedly arranged in the area of the orbital shuttle Magnetic sensor can be generated, the one worn by the respective shooter Permanent magnet interacts, the permanent magnet being arranged on the pivot lever and outside of the Operational connection with the magnetic sensor is kept to at one Weft defects under the action of the restoring means in his, a Operational connection of the permanent magnet with the magnetic sensor for generation of an active control signal producing end position.
Eine solche Einrichtung unterliegt weder Fremdlichteinwirkung noch Störungen durch Verstauben noch irgendeiner Abnützung. Diese Einrichtung gestattet hingegen auch die Verarbeitung von Reflexbändchen, funktioniert sicher bei jeder Schützenumlaufgeschwindigkeit und weist eine sehr hohe Ansprechempfindlichkeit und -geschwindigkeit auf.Such a device is not subject to extraneous light or interference Dusting up any wear. However, this facility also allows processing of reflective tapes, works safely for everyone Rifle rotation speed and has a very high Responsiveness and speed.
Um dabei den Umlaufweg des betroffenen Schützen mit seinem Permanentmagneten bis zum Magnet-Sensor auf wenige Winkelgrade zu verkürzen, ist es vorteilhaft, am Riet oder dgl., in Umfangsrichtung verteilt, eine Mehrzahl solcher Magnet-Sensoren anzuordnen.In order to cover the route of the shooter concerned with his Permanent magnets up to the magnetic sensor at a few angular degrees to shorten it is advantageous to use the reed or the like, distributed in the circumferential direction, a plurality of such magnetic sensors to arrange.
Ein einfacher und absolut funktionssicherer Aufbau kann ferner dadurch erreicht werden, dass der den Permanentmagnet an seinem freien Ende tragende Schwenkhebel mit seiner Schwenkachse auf dem Fadeneinleger des Schützen angeordnet ist und unter der Wirkung einer Rückstellfeder steht, wobei der abgezogene Schussfaden einen Endbereich am freien Ende des Schwenkhebels durchdringt oder wenigstens teilweise umschlingt, oder, dass der den Permanentmagnet an seinem freien Ende tragende Schwenkhebel mit seiner Schwenkachse auf der Drehachse der Schussfadenspule angeordnet ist und unter der Wirkung einer Rückstellfeder steht, wobei der abgezogene Schussfaden einen Endbereich am freien Ende des Schwenkhebels durchdringt oder wenigstens teilweise umschlingt. A simple and absolutely reliable construction can can also be achieved in that the permanent magnet at its free end carrying swivel levers its pivot axis on the shooter's thread insert is arranged and under the action of a return spring stands, with the drawn weft at an end region penetrates free end of the pivot lever or at least partially wraps around, or that of the permanent magnet its free end carrying swivel lever with its Pivot axis arranged on the axis of rotation of the weft bobbin is and under the action of a return spring stands, with the drawn weft at an end region penetrates free end of the pivot lever or at least partially wraps around.
Beispielsweise Ausführungsformen des Erfindungsgegenstandes sind nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:
- Fig. 1
- in einer Seitenansicht und in schematischer Darstellung eine Rundwebmaschine;
- Fig. 2 und 3
- in schematischer Darstellung in Seitenansicht und Draufsicht die erfindungsgemässe Einrichtung zur Ueberwachung der Schussfäden der Anordnung gemäss Fig. 1, in grösserem Massstab; und
- Fig. 4
- eine Ausführungsvariante der Anordnung gemäss Fig. 2 und 3, in Seitenansicht, in grösserem Massstab.
- Fig. 1
- in a side view and in a schematic representation of a circular loom;
- 2 and 3
- in a schematic representation in side view and top view, the device according to the invention for monitoring the weft threads of the arrangement according to FIG. 1, on a larger scale; and
- Fig. 4
- a variant of the arrangement according to FIGS. 2 and 3, in side view, on a larger scale.
Die Rundwebmaschine gemäss Fig. 1 ruht in üblicher Weise
auf einem Maschinen-Grundgestell 1, an dem sich ein kreisförmiger
Rahmenträger 2 abstützt, der ein Rundriet 3, einen
Ein- und Austastschalter 4 für die Maschine und weiter Rahmenteile
5 für die Abstützung von Schäften 6 trägt. Diese
Schäfte 6 sind in bekannter Weise kreisförmig um die Hauptwelle
8 der Maschine herum angeordnet und bilden zum wesentlichen
Teil die fachbildenden Mittel der Maschine. Im
weiteren stützt sich am Grundgestell 1 der Träger 9 für die
Gewebeabzugsvorrichtung ab, welche hier nur durch Gewebe-Abzugsrollen
10 angedeutet ist. Im Abzugsbereich ist zudem
ein Gewebe-Breithalter 14 wirksam. Weiter sind an der gezeigten
Rundwebmaschine die Einzugswalze 15 für die Kettfäden
links und die Einzugswalze 16 für die Kettfäden
rechts sichtbar. Diese Kettfäden 7, deren Verlauf nur angedeutet
ist, sind in zwei ringsum angeordnete Kettfadenscharen
aufgeteilt und werden in bekannter Weise von nicht
näher gezeigten Gruppen von Kettfadenspulen abgezogen. Zur
Bildung des Webfaches wird dann eine dieser Scharen angehoben,
während die andere aus der Höhe der Webebene durch
die sogenannte Fachwechselbewegung nach unten geführt wird,
so dass ein Kettfadenoberfach 7' und ein Kettfadenunterfach
7" (Fig. 2 und 4) entsteht. In diesem sogenannten Web- oder
Wanderfach läuft dann wenigstens ein Schützen 30, in der
Regel aber mehrere, mit einer Schussffadenspule 31 (Fig. 4)
auf einer horizontalen Kreisbahn um. Durch die Kreisbewegung
der Schützen wird der jeweils von der Schussfadenspule
abgewickelte Schussfaden 32 (Fig. 2, 3 und 4) an den
Geweberand 13 des erzeugten Schlauchgewebes abgegeben, so
dass dieser Schussfaden in das Gewebe eingewoben werden
kann. Das Schlauchgewebe kann dann nach oben abgezogen und
zu einem flachen Schlauchgewebe zusammengelegt werden. The circular loom according to FIG. 1 rests in the usual way
on a
Soweit kann der Aufbau der gezeigten Rundwebmaschine dem bekannten Stand der Technik entsprechen, so dass sich eine weitergehende Erläuterung einer solchen Maschine erübrigt.So far the structure of the circular loom shown correspond to known prior art, so that a further explanation of such a machine is unnecessary.
Das hier zu behandelnde Problem an einer solchen vorbeschriebenen
Rundwebmaschine besteht nun darin, die von den
Spulen 31 der umlaufenden Schützen 30 abgezogenen Schussfäden
32 sorgfältigst und funktionssicher zu überwachen, um
bei einem Schussfadenfehler die Maschine mittels einem erzeugten
Regelsignal 23 entsprechend ansteuern zu können.The problem to be dealt with here is one of those described above
Circular loom now consists of that of the
Bobbins 31 of the revolving
Hierfür ist nun erfindungsgemäss vorgesehen, dass das
elektrische Regelsignal 23 von einem, im Bereich der Umlaufbahn
der Webschützen 30 angeordneten Magnet-Sensor 22
erzeugbar ist, der mit einem vom jeweiligen Webschützen 30
getragenen Permanentmagneten 24 zusammenwirkt. Hierbei ist
der Permanentmagnet auf einem, vom abgezogenen Schussfaden
32 gegen die Wirkung von federartigen Rückstellmitteln 25
ausgelenkten Schwenkhebel 26 angeordnet und ausserhalb der
Wirkungsverbindung mit dem Magnet-Sensor gehalten, um bei
einem Schussfadenfehler unter der Wirkung der Rückstellmittel
25 in seine, eine Wirkungsverbindung des Permanentmagneten
mit dem Magnet-Sensor zur Erzeugung eines aktiven
Regelsignals 23 herstellende Endlage zu gelangen. For this purpose, it is now provided according to the invention that the
Weiter ist vorgesehen, im Bereich der Umlaufbahn der
Webschützen, vorzugsweise am Riet 3, eine Mehrzahl Magnet-Sensoren
22 anzuordnen, wie das in Fig. 1 abgedeutet ist.It is also envisaged in the orbit region
Webschützen, preferably at Riet 3, a plurality of
Wie die Fig. 2 und 3 mehr im Einzelnen zeigen, ist bei
einer ersten Ausführungsform der den Permanentmagnet 24 an
seinem freien Ende tragende Schwenkhebel 26 mit seiner
Schwenkachse 27 auf dem Fadeneinleger 30' des Schützen 30
angeordnet und steht unter der Wirkung einer Rückstellfeder
25, wobei der abgezogene Schussfaden einen Endbereich am
freien Ende des Schwenkhebels 26 durchdringt oder wenigstens
teilweise umschlingt.As FIGS. 2 and 3 show in more detail, is at
a first embodiment of the
Alternativ gemäss Fig. 4 kann der den Permanentmagnet 24'
an seinem freien Ende tragende Schwenkhebel 26' mit seiner
Schwenkachse 27' auf der Drehachse der Schussfadenspule 31
angeordnet sein und unter der Wirkung einer Rückstellfeder
25' stehen, wobei auch hier der abgezogene Schussfaden
einen Endbereich am freien Ende des Schwenkhebels 26'
durchdringt oder wenigstens teilweise umschlingt.4, the permanent magnet 24 '
at its free end carrying pivot lever 26 'with its
Pivot axis 27 'on the axis of rotation of the
Aus dem Vorbeschriebenen ergibt sich somit eine erfindungsgemässe Einrichtung zur Ueberwachung der Schussfäden an einer Rundwebmaschine, die allen vorgenannten Anforderungen gerecht wird. Insbesondere gestatten die vorbeschriebenen Massnahmen ein leichtes Umrüsten schon bestehender Maschinen wie auch die Verwendung der Schussfaden-Ueberwachungseinrichtung an anderen fadenverarbeitenden Maschinen.From what has been described above, this results in an inventive one Device for monitoring the weft threads on a circular loom that meets all of the above requirements justice. In particular, allow the above Measures an easy retrofitting of existing ones Machines as well as the use of the weft monitoring device on other thread processors Machinery.
Claims (4)
- A circular loom having a device for monitoring wefts (32) which are wound off from the respective bobbin (31) of the weaving shuttles (30) rotating in the weaving shed along a circular path formed by the circular reed (3) and are delivered to the fabric edge of the woven hose, wherein scanning means monitor the respective weft (32) in order to generate an electric control signal in case of a weft fault, and with a pivoting lever (26) deflected by the drawn-off weft (32) against the action of spring-like return means (25), characterized in that the electric control signal (23) can be generated by a magnetic sensor (22) stationarily arranged in the zone of the revolving path of the weaving shuttles (30), which sensor cooperates with a permanent magnet (24) carried by the respective weaving shuttle (30), wherein the permanent magnet is arranged on the pivoting lever and is held outside of the operative connection with the magnetic sensor in order to reach, in case of a weft fault, under the action of the return means (25) its end position providing an operative connection of the permanent magnet with the magnetic sensor for generating an active control signal (23).
- A circular loom as claimed in claim 1, characterized in that a plurality of magnetic sensors (22) with mutually the same distance from one another are arranged in the zone of the revolving path of the weaving shuttles.
- A circular loom as claimed in claim 1, characterized in that the pivoting lever (26) carrying the permanent magnet (24) at its free end is arranged with its pivoting axle (27) on the threat insertion apparatus (30') of the shuttle (30) and is biased by the action of a return spring (25), wherein the drawn-off weft penetrates or at least partly wraps around an end section at the free end of the pivoting lever (26).
- A circular loom as claimed in claim 1, characterized in that the pivoting lever (26') carrying the permanent magnet (24') at its free end is arranged with its pivoting axle (27') on the rotational axle of the weft bobbin (31) and is biased by the action of a return spring (25'), wherein the drawn-off weft penetrates an end section at the free end of pivoting lever (26') or wraps around it at least partially.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3150/94 | 1994-10-20 | ||
| CH315094 | 1994-10-20 | ||
| CH315094 | 1994-10-20 | ||
| PCT/AT1995/000183 WO1996012839A1 (en) | 1994-10-20 | 1995-09-19 | Weft thread monitoring system in a circular loom |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0786026A1 EP0786026A1 (en) | 1997-07-30 |
| EP0786026B1 true EP0786026B1 (en) | 1998-08-19 |
| EP0786026B2 EP0786026B2 (en) | 2005-07-27 |
Family
ID=4249699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95930329A Expired - Lifetime EP0786026B2 (en) | 1994-10-20 | 1995-09-19 | Weft thread monitoring system in a circular loom |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US5826626A (en) |
| EP (1) | EP0786026B2 (en) |
| JP (1) | JPH10501036A (en) |
| KR (1) | KR100388371B1 (en) |
| CN (1) | CN1042846C (en) |
| AT (1) | AT401065B (en) |
| AU (1) | AU3375895A (en) |
| BR (1) | BR9509419A (en) |
| CZ (1) | CZ285998B6 (en) |
| DE (1) | DE59503288D1 (en) |
| ES (1) | ES2120225T5 (en) |
| HU (1) | HU223928B1 (en) |
| PL (1) | PL178320B1 (en) |
| RO (1) | RO115891B1 (en) |
| TR (1) | TR199501249A2 (en) |
| TW (1) | TW282497B (en) |
| WO (1) | WO1996012839A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1967623A2 (en) | 2007-03-07 | 2008-09-10 | STARLINGER & CO. GESELLSCHAFT MBH | Circular loom |
| EP2570530A1 (en) | 2011-09-14 | 2013-03-20 | Starlinger & Co Gesellschaft m.b.H. | Warp stop motion detector and circular loom |
| WO2015010889A1 (en) | 2013-07-24 | 2015-01-29 | Starlinger & Co Gesellschaft M.B.H. | Circular weaving machine |
| DE212017000090U1 (en) | 2016-04-22 | 2018-10-25 | Reinhold HEHENBERGER | circular loom |
| DE212017000105U1 (en) | 2016-04-22 | 2018-11-23 | Reinhold HEHENBERGER | circular loom |
| EP3438336A1 (en) | 2017-08-01 | 2019-02-06 | Reinhold Hehenberger | Shuttle and circular loom |
| EP3438335A1 (en) | 2017-08-01 | 2019-02-06 | Reinhold Hehenberger | Reed and circular loom |
| WO2019025043A1 (en) | 2017-08-01 | 2019-02-07 | Reinhold Hehenberger | Circular weaving machine |
| WO2023081953A1 (en) | 2021-11-15 | 2023-05-19 | Starlinger & Co Gesellschaft M.B.H. | Circular weaving machine |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050232405A1 (en) * | 2004-04-15 | 2005-10-20 | Sharp Laboratories Of America, Inc. | Method and apparatus for determining a user presence state |
| US20050232404A1 (en) * | 2004-04-15 | 2005-10-20 | Sharp Laboratories Of America, Inc. | Method of determining a user presence state |
| JP4704777B2 (en) | 2004-06-01 | 2011-06-22 | 日立オムロンターミナルソリューションズ株式会社 | Banknote deposit and withdrawal machine |
| AT507558B1 (en) | 2009-01-22 | 2010-06-15 | Starlinger & Co Gmbh | DEVICE FOR REGULATING SHOOTING VOLTAGE ON A WEB PROTECTOR, WEB PROTECTORS EQUIPPED THEREWITH AND A WELDING MACHINE |
| KR101262038B1 (en) | 2011-06-17 | 2013-05-08 | 구광일 | Circuit for protecting mal-function on shuttle circular loom |
| EP3121319B1 (en) | 2015-07-20 | 2020-03-04 | Starlinger & Co Gesellschaft m.b.H. | Weaving shuttle |
| BR112018072250A2 (en) * | 2016-05-04 | 2019-02-12 | Innotec Lightweight Engineering & Polymer Tech Gmbh | circular weaving machine to weave a weaving core, and method |
| CN106757707B (en) * | 2016-12-29 | 2018-01-26 | 雁峰集团有限公司 | A kind of plastic circular loom |
| CN108265379A (en) * | 2018-03-14 | 2018-07-10 | 温州韦电子科技有限公司 | One kind stops latitude controller |
| EP3988694A1 (en) | 2020-10-23 | 2022-04-27 | Starlinger & Co Gesellschaft m.b.H. | Insertion wheel, weft inserter, and shuttle of a circular loom equipped with same |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR861171A (en) * | 1939-07-18 | 1941-02-03 | Saint Freres | Weft cutter for circular loom |
| GB717948A (en) * | 1951-10-27 | 1954-11-03 | Christan Christiansen | Improvements in the sectors of circular looms for hoses |
| US2711759A (en) * | 1952-02-22 | 1955-06-28 | Fairwest U K Ltd | Circular looms |
| DE1224216B (en) * | 1958-02-13 | 1966-09-01 | Jean Dautricourt | Weft thread monitoring device in shuttle for circular looms |
| DE1535899B1 (en) † | 1965-06-15 | 1970-08-27 | Jakob Ruettgers | Device for monitoring the weft thread insertion with a thread feeder that moves along with the weft insertion element in weaving or Raschel machines |
| FR1540347A (en) * | 1967-03-24 | 1968-09-27 | Method for determining the change of the position of an organ in a guided part moving at high speed, and application to weaving machines | |
| GB2015592A (en) * | 1977-12-14 | 1979-09-12 | Systems Ltd | Stop motions |
| PH16162A (en) * | 1978-08-25 | 1983-07-18 | Torii Winding Machine Co | A mechanism for stopping a circular loom during weaving operation |
| US4234021A (en) * | 1978-12-20 | 1980-11-18 | Greenbat Limited | Circular looms |
| US4422402A (en) * | 1980-02-20 | 1983-12-27 | Ricoh Company, Ltd. | Apparatus for detecting the remaining amount of rolled paper |
| CH663226A5 (en) * | 1984-06-08 | 1987-11-30 | Huemer Franz Xaver | DEVICE FOR MONITORING THE Weft Threads On A ROUND WEAVING MACHINE. |
| AT387797B (en) * | 1985-11-26 | 1989-03-10 | Huang Ching Long | Weft thread monitor for a circular weaving machine |
| IT1215888B (en) † | 1988-02-16 | 1990-02-22 | Incas S P A | MAGNETIC SENSOR, SUITABLE TO DETECT THE BREAKAGE OF THE THREAD ON RING THREADERS, OR RINGS, WITH A METAL SLIDER RING. |
| CN2061938U (en) * | 1989-08-10 | 1990-09-12 | 湖北省沙市市纺织器材公司 | Electromagnetic inductive automatic weft stop device |
| CN2130170Y (en) * | 1992-08-19 | 1993-04-21 | 游青榆 | Detecting device for weft yarn breaking of circular loom |
| CN2179392Y (en) * | 1993-08-21 | 1994-10-12 | 珠海经济特区马斯克机电有限公司 | Weft broken signalling in use for circular loom |
-
1994
- 1994-11-11 AT AT0209194A patent/AT401065B/en not_active IP Right Cessation
-
1995
- 1995-09-19 US US08/793,808 patent/US5826626A/en not_active Expired - Fee Related
- 1995-09-19 PL PL95319724A patent/PL178320B1/en not_active IP Right Cessation
- 1995-09-19 HU HU9701434A patent/HU223928B1/en not_active IP Right Cessation
- 1995-09-19 KR KR1019970702505A patent/KR100388371B1/en not_active IP Right Cessation
- 1995-09-19 EP EP95930329A patent/EP0786026B2/en not_active Expired - Lifetime
- 1995-09-19 AU AU33758/95A patent/AU3375895A/en not_active Abandoned
- 1995-09-19 JP JP8513524A patent/JPH10501036A/en active Pending
- 1995-09-19 CZ CZ971186A patent/CZ285998B6/en not_active IP Right Cessation
- 1995-09-19 CN CN95195760A patent/CN1042846C/en not_active Expired - Fee Related
- 1995-09-19 WO PCT/AT1995/000183 patent/WO1996012839A1/en active IP Right Grant
- 1995-09-19 ES ES95930329T patent/ES2120225T5/en not_active Expired - Lifetime
- 1995-09-19 BR BR9509419A patent/BR9509419A/en not_active IP Right Cessation
- 1995-09-19 RO RO97-00685A patent/RO115891B1/en unknown
- 1995-09-19 DE DE59503288T patent/DE59503288D1/en not_active Expired - Lifetime
- 1995-10-05 TW TW084110471A patent/TW282497B/zh not_active IP Right Cessation
- 1995-10-12 TR TR95/01249A patent/TR199501249A2/en unknown
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1967623A2 (en) | 2007-03-07 | 2008-09-10 | STARLINGER & CO. GESELLSCHAFT MBH | Circular loom |
| EP2570530A1 (en) | 2011-09-14 | 2013-03-20 | Starlinger & Co Gesellschaft m.b.H. | Warp stop motion detector and circular loom |
| WO2013037631A1 (en) | 2011-09-14 | 2013-03-21 | Starlinger & Co Gesellschaft M.B.H. | Warp band stop motion and circular loom |
| WO2015010889A1 (en) | 2013-07-24 | 2015-01-29 | Starlinger & Co Gesellschaft M.B.H. | Circular weaving machine |
| US9657416B2 (en) | 2013-07-24 | 2017-05-23 | Starlinger & Co Gesellschaft M.B.H. | Circular weaving machine |
| DE212017000090U1 (en) | 2016-04-22 | 2018-10-25 | Reinhold HEHENBERGER | circular loom |
| DE212017000105U1 (en) | 2016-04-22 | 2018-11-23 | Reinhold HEHENBERGER | circular loom |
| EP3438336A1 (en) | 2017-08-01 | 2019-02-06 | Reinhold Hehenberger | Shuttle and circular loom |
| EP3438335A1 (en) | 2017-08-01 | 2019-02-06 | Reinhold Hehenberger | Reed and circular loom |
| WO2019025043A1 (en) | 2017-08-01 | 2019-02-07 | Reinhold Hehenberger | Circular weaving machine |
| WO2023081953A1 (en) | 2021-11-15 | 2023-05-19 | Starlinger & Co Gesellschaft M.B.H. | Circular weaving machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0786026A1 (en) | 1997-07-30 |
| CN1161720A (en) | 1997-10-08 |
| TR199501249A2 (en) | 1996-06-21 |
| KR970707336A (en) | 1997-12-01 |
| ES2120225T5 (en) | 2005-12-01 |
| BR9509419A (en) | 1997-09-30 |
| PL178320B1 (en) | 2000-04-28 |
| CZ118697A3 (en) | 1997-10-15 |
| WO1996012839A1 (en) | 1996-05-02 |
| ATA209194A (en) | 1995-10-15 |
| RO115891B1 (en) | 2000-07-28 |
| TW282497B (en) | 1996-08-01 |
| CZ285998B6 (en) | 1999-12-15 |
| EP0786026B2 (en) | 2005-07-27 |
| US5826626A (en) | 1998-10-27 |
| HU223928B1 (en) | 2005-03-29 |
| ES2120225T3 (en) | 1998-10-16 |
| HUT76885A (en) | 1997-12-29 |
| DE59503288D1 (en) | 1998-09-24 |
| PL319724A1 (en) | 1997-08-18 |
| AU3375895A (en) | 1996-05-15 |
| CN1042846C (en) | 1999-04-07 |
| JPH10501036A (en) | 1998-01-27 |
| AT401065B (en) | 1996-06-25 |
| KR100388371B1 (en) | 2003-09-26 |
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