EP0143860B1 - Device for preparing the weft in multiple longitudinal traversing shed weaving machines - Google Patents

Device for preparing the weft in multiple longitudinal traversing shed weaving machines Download PDF

Info

Publication number
EP0143860B1
EP0143860B1 EP83112065A EP83112065A EP0143860B1 EP 0143860 B1 EP0143860 B1 EP 0143860B1 EP 83112065 A EP83112065 A EP 83112065A EP 83112065 A EP83112065 A EP 83112065A EP 0143860 B1 EP0143860 B1 EP 0143860B1
Authority
EP
European Patent Office
Prior art keywords
weft
guide duct
weft yarn
control means
weaving rotor
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
Application number
EP83112065A
Other languages
German (de)
French (fr)
Other versions
EP0143860A1 (en
Inventor
Alois Steiner
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.)
Maschinenfabrik Sulzer Rueti AG
Original Assignee
Maschinenfabrik Sulzer Rueti AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Sulzer Rueti AG filed Critical Maschinenfabrik Sulzer Rueti AG
Priority to EP83112065A priority Critical patent/EP0143860B1/en
Priority to DE8383112065T priority patent/DE3365912D1/en
Priority to SU843812856A priority patent/SU1274628A3/en
Priority to US06/675,237 priority patent/US4592393A/en
Priority to CS849118A priority patent/CS256384B2/en
Publication of EP0143860A1 publication Critical patent/EP0143860A1/en
Application granted granted Critical
Publication of EP0143860B1 publication Critical patent/EP0143860B1/en
Expired legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/005—Linear-shed multiphase looms

Definitions

  • the invention relates to a weft processing device for row shed looms, with a weaving rotor with weft insertion combs and stop combs, with at least one measuring roller for the continuous measurement and conveying of the weft threads drawn from the stationary supply bobbins, with scissors for cutting through the inserted weft threads and a weft insertion device for conveying the weft threads into the weft threads of the web rotor.
  • CH-PS 543 622 relates to a device of this type.
  • the transfer of the weft threads to the weaving rotor described there is complicated and expensive to manufacture.
  • the invention has for its object to provide a weft processing device of the type defined, which is simple in construction and inexpensive to manufacture. This object is achieved according to the invention by the features specified in the characterizing part of claim 1.
  • the subclaims relate to advantageous further developments.
  • the main components of the weft processing device are a weft measuring device 1, a cutting device 2 and a weft insertion device 3.
  • the cutting device 2 contains four scissors 15, 16, 17 and 18, which are combined to form a block 19.
  • each pair of scissors e.g. the scissors 15, a blowpipe 20 to convey a weft.
  • Compressed air is continuously fed to the four blowpipes via a common channel 21.
  • the compressed air flows through a channel 22, which extends obliquely to the blowpipe 20, and a longitudinal slot 23 in the wall of the blowpipe.
  • the weft thread is sucked in by the blown air and fed to a weaving rotor 24, as will be explained below.
  • the blow pipe 20 is provided at its mouth with a cutting edge 25 which interacts with a fixed cutting piece 26.
  • the cutting piece 26 has a lateral recess 27 for each blowing tube in order to allow a weft thread to emerge.
  • the blow tube is provided at its other end 20b with a collar 28, one side 28a of which can slide up and down in a guide track 29 of a guide frame 30.
  • each blowpipe is accomplished by a cutting lever 35.
  • the cutting lever is fastened on an axis 36 which extends into a gear box 37 of the weaving machine and is guided there via a lever and a follower roller on a control disk (not shown).
  • the end of the cutting lever 35 is provided with two pins 38 and 39, which are located at the level of an entrance 40 to the weft insertion device 3. The pins thus encompass the collar of the blowpipe located in front of this entrance 40.
  • the cutting device 2 is carried by a rod 45, which is moved up and down by a lever 46.
  • the lever. 46 is fastened on a shaft which extends into the gearbox 37 and is guided there via a lever and a follower roller on a control disk (not shown).
  • the control curve of the control disk has a course such that the rod 45 moves the cutting device downward in such a way that the scissors 15, 16, 17 and 18 are placed in this row in front of the entrance 40 of the weft insertion device 3.
  • the rod 46 then lifts the cutting device 2 back into the starting position, so that the scissors 15 are again in front of the entrance 40.
  • the weft insertion device 3 consists of a housing 50 fixedly attached to the machine and a closing plate 51 which can be moved up and down and which alternately opens and closes a guide channel 52 which runs in the housing and which is open on the side facing the weaving rotor 24.
  • the already mentioned entrance 40 of the weft insertion device forms the beginning of the channel 52 and is located in front of an exit 53 of the blowpipe of those scissors, for example scissors 15, which the rod 45 placed in front of this entrance 40.
  • An exit 54 of the channel is located in front of the entrance of a respective weft insertion comb of the weaving rotor 24 arriving there.
  • the closing plate 51 is carried by an arm 57 by a yoke 58 which is periodically moved up and down by two control disks 59 and 60.
  • the closing plate is raised to the channel 52, with the downward movement the plate leaves the channel free on the side.
  • the restoring force for the yoke is supplied by a compression spring 61, which is located in a bushing 62 on the housing 50.
  • the axes of the control disks are guided through the wall of the gear box 37 and are driven there.
  • a channel 63 runs in the housing 50 and is connected to a compressed air source and into the channel 52 shortly before it Exit 54 opens.
  • the weft threads 70, 71, 72 and 73 are in the rotation of the weaving rotor through the recess, e.g. 27, stepped in the cutting piece of the associated scissors 15, 16, 17 and 18 and in the corresponding weft insertion combs 80, 81, 82 and 83 of the weaving rotor 25, staggered by 1/4 of the weaving width, en route in their respective shed.
  • the weft threads are pulled over the edge of the mouth of the associated blowpipe. This can be seen in FIG. 2 for the weft 70 in the scissors 15.
  • the leading weft 70 has meanwhile moved closer to the shed tip due to the rotation of the weaving rotor and is entered over the full width of the shed.
  • the cutting lever 35 moves forward and pushes the associated blowpipe 20 of the scissors 15 with the weft 70 forward along a cutting edge 26 ′ of the cutting piece 26, so that the weft is severed.
  • the weft thread remaining in the blow tube remains captured by the air flow in the blow tube and is the next weft thread 74 in the guide channel 52 of the weft thread insertion device 3, which is now closed again by the closing plate 51, and from there, supported by the air flow from the channel 63, into the one that has now arrived blown next weft insertion comb 84 of the weaving rotor.
  • the weft thread is therefore not stopped on its way from its measuring roller to the weaving rotor, but moves continuously at a constant speed.
  • the rod 45 now lowers the cutting device 2 by one step, so that the blow tube of the scissors 16, which guides the weft thread 71, is now in front of the entrance 40 of the guide channel 52.
  • the weft thread end 70 'of the weft thread 70 which had become free was detected by an element (not shown) immediately before being cut during the cutting movement of the cutting lever 35, so that the weft thread movement is braked to a standstill.
  • the weft 70 is now knocked into the cloth by the stop comb following the weft insertion comb 80 (not shown).
  • the closing plate 51 is moved downward again, so that the newly inserted weft thread 74 emerges from the guide channel 52 and can be carried along by the weaving rotor.
  • the weft 71 is cut and knocked in the same manner as described for the weft 70.
  • the cutting device 2 is now lowered by two further stages and the weft threads 72 and 73 are inserted.
  • the rod 45 then raises the cutting device by four steps at a time, so that the starting position with the scissors 15 in front of the entrance 40 is reached again and the processes described can be repeated.

Landscapes

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

Description

Die Erfindung betrifft eine Schussfadenaufbereitungsvorrichtung für Reihenfachwebmaschinen, mit einem Webrotor mit Schussfadeneintragskämmen und Anschlagkämmen, mit mindestens einer Messwalze zum kontinuierlichen Abmessen und Fördern der von den stillstehenden Vorratsspulen abgezogenen Schussfäden, mit Scheren zum Durchtrennen der eingetragenen Schussfäden und einer Schussfadeneintragsvorrichtung zum Fördern der Schussfäden in die Schussfadeneintragskämme des Webrotors.The invention relates to a weft processing device for row shed looms, with a weaving rotor with weft insertion combs and stop combs, with at least one measuring roller for the continuous measurement and conveying of the weft threads drawn from the stationary supply bobbins, with scissors for cutting through the inserted weft threads and a weft insertion device for conveying the weft threads into the weft threads of the web rotor.

Die CH-PS 543 622 betrifft eine Vorrichtung dieser Art. Die dort beschriebene Uebertragung der Schussfäden auf den Webrotor ist kompliziert und teuer in der Herstellung.CH-PS 543 622 relates to a device of this type. The transfer of the weft threads to the weaving rotor described there is complicated and expensive to manufacture.

Der Erfindung liegt die Aufgabe zugrunde eine Schussfadenaufbereitungsvorrichtung der eingangs definierten Art zu schaffen, die einfach im Aufbau und billig herzustellen ist. Diese Aufgabe wird gemäss der Erfindung durch die im Kennzeichen des Anspruchs 1 angegebenen Merkmale gelöst. Die Unteransprüche betreffen vorteilhafte Weiterbildungen.The invention has for its object to provide a weft processing device of the type defined, which is simple in construction and inexpensive to manufacture. This object is achieved according to the invention by the features specified in the characterizing part of claim 1. The subclaims relate to advantageous further developments.

Ein Ausführungsbeispiel des Erfindungsgegenstandes ist nachfolgend anhand der Zeichnungen beschrieben. Es ist:

  • Fig. 1 eine perspektivische Darstellung der Schussfadenaufbereitungsvorrichtung gemäss der Erfindung;
  • Fig. 2 eine perspektivische Darstellung einer Schneidvorrichtung
  • Fig. 3 und 4 Teile der Einschussvorrichtung;
  • Fig. 5a, 5b eine schematische Darstellung des Schussaufbereitungsvorganges.
An embodiment of the subject matter of the invention is described below with reference to the drawings. It is:
  • Figure 1 is a perspective view of the weft processing device according to the invention.
  • Fig. 2 is a perspective view of a cutting device
  • 3 and 4 parts of the bullet device;
  • 5a, 5b show a schematic representation of the shot preparation process.

Nach Fig. 1 sind die Hauptbestandteile der Schussfadenaufbereitungsvorrichtung eine Schussfadenmessvorrichtung 1, eine Schneidvorrichtung 2 und eine Schussfadeneintragsvorrichtung 3.1, the main components of the weft processing device are a weft measuring device 1, a cutting device 2 and a weft insertion device 3.

Die Messvorrichtung umfasst vier Messwalzen 5, 6, 7 und 8, die freidrehend je auf einer Achse 9 gelagert und von einer kontinuierlich rotierenden Reibscheibe 10 angetrieben sind.The measuring device comprises four measuring rollers 5, 6, 7 and 8, each of which is freely rotating on an axis 9 and driven by a continuously rotating friction disk 10.

Die Schneidvorrichtung 2 enthält vier Scheren 15,16,17 und 18, die zu einem Block 19 zusammengefasst sind. Wie aus Fig. 2 ersichtlich weist jede Schere, z.B. die Schere 15, ein Blasrohr 20 zur Förderung eines Schussfadens auf. Den vier Blasrohren wird über einen gemeinsamen Kanal 21 kontinuierlich Druckluft zugeführt. Die Druckluft strömt durch einen Kanal 22, der schräg zum Blasrohr 20 verläuft, und einen Längsschlitz 23 in der Wand des Blasrohres, in dieses ein. Der Schussfaden wird von der Blasluft angesaugt und einem Webrotor 24 zugeführt, wie noch zu erklären ist.The cutting device 2 contains four scissors 15, 16, 17 and 18, which are combined to form a block 19. As can be seen from Figure 2, each pair of scissors, e.g. the scissors 15, a blowpipe 20 to convey a weft. Compressed air is continuously fed to the four blowpipes via a common channel 21. The compressed air flows through a channel 22, which extends obliquely to the blowpipe 20, and a longitudinal slot 23 in the wall of the blowpipe. The weft thread is sucked in by the blown air and fed to a weaving rotor 24, as will be explained below.

Das Blasrohr 20 ist an seiner Mündung mit einer Schneidkante 25 versehen, die mit einem festen Schneidstück 26 zusammenwirkt. Das Schneidstück 26 weist für jedes Blasrohr eine seitliche Aussparung 27 auf zum Austretenlassen eines Schussfadens. Das Blasrohr ist an seinem anderen Ende 20b mit einem Kragen 28 versehen, dessen eine Seite 28a in einer Führungsbahn 29 eines Führungsrahmens 30 auf- und abgleiten kann.The blow pipe 20 is provided at its mouth with a cutting edge 25 which interacts with a fixed cutting piece 26. The cutting piece 26 has a lateral recess 27 for each blowing tube in order to allow a weft thread to emerge. The blow tube is provided at its other end 20b with a collar 28, one side 28a of which can slide up and down in a guide track 29 of a guide frame 30.

Die Schneidbewegung bzw. die Vorwärtsbewegung eines jeden Blasrohres wird von einem Schneidhebel 35 bewerkstelligt. Der Schneidhebel ist auf einer Achse 36 befestigt, die in einen Getriebekasten 37 der Webmaschine reicht und dort über einen Hebel und eine Folgerolle an einer (nicht gezeichneten) Steuerscheibe geführt ist. Das Ende des Schneidhebels 35 ist mit zwei Stiften 38 und 39 versehen, die sich auf der Höhe eines Eingangs 40 der Schussfadeneintragsvorrichtung 3 befinden. Die Stiften umgreifen somit jeweils den Kragen desjenigen Blasrohres, das sich vor diesem Eingang 40 befindet.The cutting movement or the forward movement of each blowpipe is accomplished by a cutting lever 35. The cutting lever is fastened on an axis 36 which extends into a gear box 37 of the weaving machine and is guided there via a lever and a follower roller on a control disk (not shown). The end of the cutting lever 35 is provided with two pins 38 and 39, which are located at the level of an entrance 40 to the weft insertion device 3. The pins thus encompass the collar of the blowpipe located in front of this entrance 40.

Die Schneidvorrichtung 2 ist von einer Stange 45 getragen, die von einem Hebel 46 auf- und abbewegt wird. Der Hebel. 46 ist auf einer Welle befestigt, die in den Getriebekasten 37 reicht und dort über einen Hebel und eine Folgerolle an einer (nicht gezeichneten) Steuerscheibe geführt ist. Die Steuerkurve der Steuerscheibe hat einen solchen Verlauf, dass die Stange 45 die Schneidvorrichtung so abwärts bewegt, dass die Scheren 15, 16, 17 und 18 in dieser Reihenfole vor den Eingang 40 der Schussfadeneintragsvorrichtung 3 plaziert werden. Danach hebt die Stange 46 die Schneidvorrichtung 2 wieder in die Ausgangsstellung, so dass die Schere 15 sich wiederum vor dem Eingang 40 befindet.The cutting device 2 is carried by a rod 45, which is moved up and down by a lever 46. The lever. 46 is fastened on a shaft which extends into the gearbox 37 and is guided there via a lever and a follower roller on a control disk (not shown). The control curve of the control disk has a course such that the rod 45 moves the cutting device downward in such a way that the scissors 15, 16, 17 and 18 are placed in this row in front of the entrance 40 of the weft insertion device 3. The rod 46 then lifts the cutting device 2 back into the starting position, so that the scissors 15 are again in front of the entrance 40.

Die Schussfadeneintragsvorrichtung 3 besteht aus einem fest an der Maschine angebrachten Gehäuse 50 und einer auf- und abbewegbaren Verschlussplatte 51, die einen im Gehäuse verlaufenden, auf der dem Webrotor 24 zugewandten Seite offenen Führungskanal 52 abwechselnd öffnet und verschliesst. Der bereits genannte Eingang 40 der Schussfadeneintragsvorrichtung bildet den Anfang des Kanals 52 und befindet sich vor einem Ausgang 53 des Blasrohres derjenigen Schere, z.B. Schere 15, die von der Stange 45 vor diesen Eingang 40 plaziert wurde. Ein Ausgang 54 des Kanals befindet sich vor dem Eingang eines jeweilig dort eintreffenden Schussfadeneintragskammes des Webrotors 24. Die Verschlussplatte 51 ist über einen Arm 57 von einem Joch 58 getragen, das von zwei Steuerscheiben 59 und 60 periodisch auf- und abbewegt wird. Bei der Aufwärtsbewegung des Joches wird die Verschlussplatte an den Kanal 52 gehoben, bei der Abwärtsbewegung lässt die Platte den Kanal auf der Seite frei. Die Rückstellkraft für das Joch wird von einer Druckfeder 61, die sich in einer Buchse 62 auf dem Gehäuse 50 befindet, geliefert. Die Achsen der Steuerscheiben sind durch die Wand des Getriebekastens 37 geführt und werden dort angetrieben. Weiterhin verläuft im Gehäuse 50 ein Kanal 63 der mit einer Druckluftquelle verbunden ist und in den Kanal 52 kurz vor dessen Ausgang 54 mündet.The weft insertion device 3 consists of a housing 50 fixedly attached to the machine and a closing plate 51 which can be moved up and down and which alternately opens and closes a guide channel 52 which runs in the housing and which is open on the side facing the weaving rotor 24. The already mentioned entrance 40 of the weft insertion device forms the beginning of the channel 52 and is located in front of an exit 53 of the blowpipe of those scissors, for example scissors 15, which the rod 45 placed in front of this entrance 40. An exit 54 of the channel is located in front of the entrance of a respective weft insertion comb of the weaving rotor 24 arriving there. The closing plate 51 is carried by an arm 57 by a yoke 58 which is periodically moved up and down by two control disks 59 and 60. During the upward movement of the yoke, the closing plate is raised to the channel 52, with the downward movement the plate leaves the channel free on the side. The restoring force for the yoke is supplied by a compression spring 61, which is located in a bushing 62 on the housing 50. The axes of the control disks are guided through the wall of the gear box 37 and are driven there. Furthermore, a channel 63 runs in the housing 50 and is connected to a compressed air source and into the channel 52 shortly before it Exit 54 opens.

Die Vorrichtung arbeitet wie folgt:

  • Es sei angenommen, dass die Webmaschine in Betrieb ist und der Webrotor 24 sich in Pfeilrichtung dreht. Die Messwalzen 5, 6, 7 und 8 ziehen kontinuierlich gleichzeitig vier Schussfäden 70, 71, 72 und 73 von fest aufgestellten (nicht gezeichneten) Vorratsspulen ab. Die Schussfäden durchlaufen von der Messwalze kommend das Blasrohr der jeweiligen Schere 15, 16, 17 und 18. Die Stange 45 hat die Schneidvorrichtung 2 ganz angehoben, so dass sich die Schere 15 vor dem Eingang 40 der Schussfadeneintragsvorrichtung 3 befindet.
The device works as follows:
  • It is assumed that the weaving machine is in operation and the weaving rotor 24 rotates in the direction of the arrow. The measuring rollers 5, 6, 7 and 8 continuously pull four weft threads 70, 71, 72 and 73 simultaneously from fixed supply bobbins (not shown). Coming from the measuring roller, the weft threads pass through the blow tube of the respective scissors 15, 16, 17 and 18. The rod 45 has raised the cutting device 2 completely, so that the scissors 15 are located in front of the entrance 40 of the weft thread insertion device 3.

Die Schussfäden 70, 71, 72 und 73 sind bei der Rotation des Webrotors durch die Aussparung, z.B. 27, im Schneidstück der zugehörigen Schere 15,16, 17 und 18 getreten und in den entsprechenden Schussfadeneintragskämmen 80,81,82 und 83 des Webrotors 25, um je 1/4 der Webbreite gestaffelt, unterwegs in ihrem jeweiligen Webfach. Die Schussfäden werden dabei über den Rand der Mündung des zugehörigen Blasrohres gezogen. Dies ist in Fig. 2 für den Schussfaden 70 in der Schere 15 zu sehen. Der vorlaufende Schussfaden 70 hat sich inzwischen durch die Drehung des Webrotors der Webfachspitze genähert und ist über die volle Breite des Webfachs eingetragen. In diesem Moment bewegt sich der Schneidhebel 35 vorwärts und schiebt das zugehörige Blasrohr 20 der Schere 15 mit dem Schussfaden 70 vorwärts entlang einer Schneidkante 26' des Schneidstuckes 26, so dass der Schussfaden durchtrennt wird. Der im Blasrohr verbliebene Schussfaden bleibt dabei durch den Luftstrom im Blasrohr erfasst und wird als nächster Schussfaden 74 in den inzwischen wieder durch die Verschlussplatte 51 geschlossenen Führungskanal 52 der Schussfadeneintragsvorrichtung 3 und von dort, unterstützt durch den Luftstrom aus dem Kanal 63, in den inzwischen eingetroffenen nächsten Schussfadeneintragskamm 84 des Webrotors geblasen. Der Schussfaden wird daher auf seinem Weg von seiner Messwalze zum Webrotor nicht gestoppt, sondern bewegt sich kontinuierlich mit gleichbleibender Geschwindigkeit fort.The weft threads 70, 71, 72 and 73 are in the rotation of the weaving rotor through the recess, e.g. 27, stepped in the cutting piece of the associated scissors 15, 16, 17 and 18 and in the corresponding weft insertion combs 80, 81, 82 and 83 of the weaving rotor 25, staggered by 1/4 of the weaving width, en route in their respective shed. The weft threads are pulled over the edge of the mouth of the associated blowpipe. This can be seen in FIG. 2 for the weft 70 in the scissors 15. The leading weft 70 has meanwhile moved closer to the shed tip due to the rotation of the weaving rotor and is entered over the full width of the shed. At this moment, the cutting lever 35 moves forward and pushes the associated blowpipe 20 of the scissors 15 with the weft 70 forward along a cutting edge 26 ′ of the cutting piece 26, so that the weft is severed. The weft thread remaining in the blow tube remains captured by the air flow in the blow tube and is the next weft thread 74 in the guide channel 52 of the weft thread insertion device 3, which is now closed again by the closing plate 51, and from there, supported by the air flow from the channel 63, into the one that has now arrived blown next weft insertion comb 84 of the weaving rotor. The weft thread is therefore not stopped on its way from its measuring roller to the weaving rotor, but moves continuously at a constant speed.

Die Stange 45 senkt nun die Schneidvorrichtung 2 um eine Stufe ab, so dass jetzt das Blasrohr der Schere 16, das den Schussfaden 71 führt, sich vor dem Eingang 40 des Führungskanals 52 befindet. Das frei gewordene Schussfadenende 70' des Schussfadens 70 war unmittelbar vor dem Durchtrennen bei der Schneidbewegung des Schneidhebels 35 durch ein (nicht gezeichnetes) Element erfasst worden, so dass die Schussfadenbewegung zum Stillstand gebremst wird. Der Schussfaden 70 wird nun durch den dem Schussfadeneintragskamm 80 folgenden (nicht gezeichneten) Anschlagkamm in das Tuch geschlagen. Jetzt wird die Verschlussplatte 51 wieder abwärtsbewegt, so dass der neu eingetragene Schussfaden 74 aus dem Führungskanal 52 austreten und vom Webrotor mitgeführt werden kann. Der Schussfaden 71 wird in derselben Weise wie für den Schussfaden 70 beschrieben durchtrennt und eingeschlagen.The rod 45 now lowers the cutting device 2 by one step, so that the blow tube of the scissors 16, which guides the weft thread 71, is now in front of the entrance 40 of the guide channel 52. The weft thread end 70 'of the weft thread 70 which had become free was detected by an element (not shown) immediately before being cut during the cutting movement of the cutting lever 35, so that the weft thread movement is braked to a standstill. The weft 70 is now knocked into the cloth by the stop comb following the weft insertion comb 80 (not shown). Now the closing plate 51 is moved downward again, so that the newly inserted weft thread 74 emerges from the guide channel 52 and can be carried along by the weaving rotor. The weft 71 is cut and knocked in the same manner as described for the weft 70.

Nacheinander wird nun die Schneidvorrichtung 2 um zwei weitere Stufen gesenkt und die Schussfäden 72 und 73 eingetragen. Danach hebt die Stange 45 die Schneidvorrichtung auf einmal um vier Stufen an, so dass die Ausgangslage mit der Schere 15 vor dem Eingang 40 wieder erreicht ist und die beschriebenen Vorgänge sich wiederholen können.In succession, the cutting device 2 is now lowered by two further stages and the weft threads 72 and 73 are inserted. The rod 45 then raises the cutting device by four steps at a time, so that the starting position with the scissors 15 in front of the entrance 40 is reached again and the processes described can be repeated.

Claims (3)

1. A weft yarn preparation device for superposed shed type weaving machines, the device having a weaving rotor having weft insertion combs and beating-up combs and at least one drum for continuously measuring and conveying the weft yarns taken up from stationary supply bobbins, the device having shears for parting off the weft yarns to be inserted and a weft insertion device for conveying the weft yarns into the picking combs of the weaving rotor, characterised in that the shears (15, 16, 17, 18) are combined in a severing device (2), each shear (15) comprising a blowing tube (20) which conveys a continuous weft- conveying air stream, co-operates with a cutting element (26) and serves to sever the weft yarn (70, 71, 72, 73) and to convey the post-severance length (74) of weft yarn in the tube to the weft insertion device (3); control means (35) are provided to actuate whichever blowing tube (20) has had its weft yarn (70) picked over the cloth width; the weft yarn insertion device (3) has a guide duct (52) which extends between the severing device (2) and the weaving rotor (24) and which is open on one side closable by a closure member (51); control means (58, 59, 60, 61) are provided to actuate the closure member (51 so that the same closes the guide duct (52) at the instant of severance of the weft yarn by the associated blowing tube (20) and opens the guide duct (52) to release the weft yarn therein immediately after the introduction thereof into that picking comb (84) of the weaving rotor (24) which is arriving before the guide duct exit (54); and the severing device (2) has control means (45) for placing before the entry (40) of the thereupon closed guide duct (52) whichever shear is guiding the weft yarn to be severed.
2. A device according to claim 1, characterised in that the weft-guiding device (3) has a blowing duct (63) which extends into the guide duct (52) near the entry (54) thereof and parallel to the picking combs (80, 81, 82, 83) of the weaving rotor (24).
3. A device according to claim 1 or 2, characterised in that the guide duct (52) is received in a casing (50) which receives the control means (58, 59, 60, 61) for the closure member (51); and the same is in the form of a plate which extends parallel to the open side of the guide duct (52) and which is controlled by the latter control means to move between positions in which it opens and closes the guide duct (52).
EP83112065A 1983-12-01 1983-12-01 Device for preparing the weft in multiple longitudinal traversing shed weaving machines Expired EP0143860B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP83112065A EP0143860B1 (en) 1983-12-01 1983-12-01 Device for preparing the weft in multiple longitudinal traversing shed weaving machines
DE8383112065T DE3365912D1 (en) 1983-12-01 1983-12-01 Device for preparing the weft in multiple longitudinal traversing shed weaving machines
SU843812856A SU1274628A3 (en) 1983-12-01 1984-11-20 Device for preparing weft thread on wave-type shedding loom
US06/675,237 US4592393A (en) 1983-12-01 1984-11-27 Weft thread preparation device
CS849118A CS256384B2 (en) 1983-12-01 1984-11-28 Device for weft finishing for looms with row shed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83112065A EP0143860B1 (en) 1983-12-01 1983-12-01 Device for preparing the weft in multiple longitudinal traversing shed weaving machines

Publications (2)

Publication Number Publication Date
EP0143860A1 EP0143860A1 (en) 1985-06-12
EP0143860B1 true EP0143860B1 (en) 1986-09-03

Family

ID=8190846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83112065A Expired EP0143860B1 (en) 1983-12-01 1983-12-01 Device for preparing the weft in multiple longitudinal traversing shed weaving machines

Country Status (5)

Country Link
US (1) US4592393A (en)
EP (1) EP0143860B1 (en)
CS (1) CS256384B2 (en)
DE (1) DE3365912D1 (en)
SU (1) SU1274628A3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901708A (en) * 1988-07-22 1990-02-20 Lee Tzium Shou Viewing laryngoscope
JP2848684B2 (en) * 1989-11-16 1999-01-20 ゲブリユーダー ズルツアー アクチエンゲゼルシヤフト Weft distribution mechanism
DE59307393D1 (en) * 1993-05-13 1997-10-23 Rueti Ag Maschf Weft distributing device for a row shed weaving machine and row shed weaving machine with weft dividing device
DE59307432D1 (en) * 1993-05-13 1997-10-30 Rueti Ag Maschf Weft distributing device for a row shed weaving machine and row shed weaving machine with weft dividing device
EP0685584B1 (en) * 1994-05-30 1999-07-07 Sulzer RàœTi Ag Method and apparatus for insertion of weft threads in a multi-phase loom
JP3498799B2 (en) * 1995-06-02 2004-02-16 ズルテックス アクチェンゲゼルシャフト Weft distribution device for a series of shed weaving machines
AU5267796A (en) * 1995-06-02 1996-12-18 Sulzer Ruti Ag Shed course loom with weaving rotor
AU5268596A (en) * 1995-06-02 1996-12-18 Sulzer Ruti Ag Air nozzle loom
EP0980923A1 (en) * 1998-08-19 2000-02-23 Sulzer Rüti Ag Device for the insertion of weft threads in a multi-phase loom and multi-phase loom with such device
EP0980925A1 (en) * 1998-08-19 2000-02-23 Sulzer Rüti Ag Device for weft-insertion in linear shed multiphase looms and linear shed multiphase looms with such device
JP2000064154A (en) 1998-08-19 2000-02-29 Sulzer Rueti Ag Weft insertion device for serial shed type weaving machine
EP0980924A1 (en) * 1998-08-19 2000-02-23 Sulzer Textil Ag Device for weft-insertion in linear shed multiphase looms and linear shed multiphase looms with such device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543622A (en) * 1972-04-14 1973-10-31 Rueti Ag Maschf Device for creating pieces of weft thread of a predetermined length
IT1063743B (en) * 1976-02-10 1985-02-11 Bonetti Danilo WEAVING FRAME
CH645418A5 (en) * 1980-03-27 1984-09-28 Rueti Ag Maschf DEVICE FOR GUIDING A MEANS OF A FLOWING FLUID DRIVEN IN THE WEAVING COMPARTMENT OF A WEAVING MACHINE.
US4425946A (en) * 1980-10-16 1984-01-17 Mcginley Mills, Inc. Weaving method and apparatus
US4436123A (en) * 1980-10-31 1984-03-13 Ruti Machinery Works Ltd. Device for storing filamentary material for use on a loom

Also Published As

Publication number Publication date
EP0143860A1 (en) 1985-06-12
CS911884A2 (en) 1987-08-13
SU1274628A3 (en) 1986-11-30
US4592393A (en) 1986-06-03
CS256384B2 (en) 1988-04-15
DE3365912D1 (en) 1986-10-09

Similar Documents

Publication Publication Date Title
DE2347783C2 (en) Method and device for exchanging full for empty bobbins on open-end spinning machines
EP0143860B1 (en) Device for preparing the weft in multiple longitudinal traversing shed weaving machines
DE913993C (en) Stopping device for spinning machines connected to the thread break suction system
CH411653A (en) Method and device for preparing the unwinding process for bobbins
DE2501735A1 (en) METHOD AND DEVICE FOR AUTOMATING THE TAKE-UP REEL CHANGE ON A SPINNING MACHINE, IN PARTICULAR ROTOR SPINNING MACHINE
DE1510644A1 (en) Automatic device for tying together broken threads in spinning machines
DE2648621B2 (en) Two-for-one twisting machine
CH633494A5 (en) METHOD AND DEVICE FOR CONNECTING TWO THREADS.
CH497334A (en) Bobbin changer on a textile machine
DE2753349A1 (en) METHOD AND DEVICE FOR SPINNING UP A WRAPPING YARN
DE2758064C3 (en) Method and device for eliminating an irregularity in the thread at a spinning station of an open-end spinning device
CH663429A5 (en) METHOD AND DEVICE FOR COMMISSIONING A FRICTION SPINNING UNIT.
CH372577A (en) Method and apparatus for forming a full bobbin with a thread reserve at one end
CH625766A5 (en)
CH650284A5 (en) DEVICE FOR TAPING A WINDING YARN.
DE2038432B2 (en) REEL CHANGING DEVICE FOR AN OPEN-END SPINNING DEVICE
EP0421924B1 (en) Process and device to repair warp defects in a loom
EP0143119A1 (en) Weft cutter for looms, especially for linear multiple shed looms
DE4124702A1 (en) Transfer appts. to carry web to condenser - has row of jets below gap between roller and guide plate with jet to roll web into silver
DE4028365A1 (en) Sliver feed - has closed channel between take=off rollers and layer with suction to draw it towards the sliver can end
DE2528281A1 (en) DEVICE FOR RELEASING AND / OR REMOVING THE UPPER AND / OR UNDERWINDINGS AND / OR THREAD ENDS FROM TEXTILE SPOOLS
DE2556156C3 (en) Device for the automatic exchange and winding of cross laps on spinning preparation machines
EP0148292B1 (en) Weft control device for looms with a moving warp shed system
EP0276208B1 (en) Process and device for resuming spinning on an open-end friction spinning device
DE2629902A1 (en) PROCEDURE FOR JOINT START-UP AND STOP OF AN OPEN-END SPINNING MACHINE AND DEVICE FOR PERFORMING THE PROCESS

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19841025

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LI

17Q First examination report despatched

Effective date: 19860122

ITF It: translation for a ep patent filed

Owner name: ING. ZINI MARANESI & C. S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE FR GB IT LI

REF Corresponds to:

Ref document number: 3365912

Country of ref document: DE

Date of ref document: 19861009

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19881201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19881231

Ref country code: CH

Effective date: 19881231

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19891211

Year of fee payment: 7

ITTA It: last paid annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19910830

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19931115

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19931122

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19941231

BERE Be: lapsed

Owner name: MASCHINENFABRIK SULZER-RUTI A.G.

Effective date: 19941231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950901