EP0873439B1 - Device for producing a leno selvedge, in particular for shuttleless looms - Google Patents
Device for producing a leno selvedge, in particular for shuttleless looms Download PDFInfo
- Publication number
- EP0873439B1 EP0873439B1 EP96945811A EP96945811A EP0873439B1 EP 0873439 B1 EP0873439 B1 EP 0873439B1 EP 96945811 A EP96945811 A EP 96945811A EP 96945811 A EP96945811 A EP 96945811A EP 0873439 B1 EP0873439 B1 EP 0873439B1
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- EP
- European Patent Office
- Prior art keywords
- rotor
- arms
- previous
- electromotor
- leno
- 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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- 239000004744 fabric Substances 0.000 description 6
- 238000009941 weaving Methods 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C7/00—Leno or similar shedding mechanisms
- D03C7/04—Mechanisms having discs oscillating about a weftwise axis and having apertures for warp threads
Definitions
- the invention relates to a device for forming a leno edge, especially for a weaving machine, comprising an electric motor a rotor, the rotor being spaced apart from one another by at least two Has guide elements for the leno threads.
- FR-A 23 90 524 describes a device for forming a leno edge known, the arms shows the resilient in the axial direction trained yourself.
- This device is a so-called "planetary spinner".
- Such a planetary twist points out its construction has a high mass, with the addition that this well-known planetary lathe directly on the lathe Spools for the leno threads are arranged. That is, such Device has such a large mass that an acceleration and braking in short time intervals purely physically at all not possible.
- a device of the type mentioned is from DE-PS 44 05 776 known.
- an electrically controllable servomotor is provided, which drives a rotary disc, the rotary disc the rotor of the electrically controllable servomotor forms.
- the stator itself is through a Carrier part attachable to the loom, preferably in a space between the longitudinal struts and strands in front of the first heald frames of the loom.
- the rotating disc that the rotor of the electrically controllable Servomotor forms, as guide elements two opposite one another arranged openings for passing a leno thread having.
- the invention is therefore based on the object of a device type mentioned in such a way that this on the one hand has a low mass in order to achieve a high speed weaving machine to be able to provide proper full-turn edge, and that this is also able to accommodate fluctuations in the thread tension To compensate for leno threads so that the threads do not break becomes.
- the Guide elements are designed as arms, the ends for eyelets Have implementation of the leno threads, the arms in the axial direction of the electric motor to compensate for thread tension are compliant.
- the rotor of the Electric motor is reversible in its direction of rotation.
- the elastically resilient arms advantageously have eyelets at the end Carrying the leno threads on.
- the arms themselves can be light be trained, since they are hardly used. she thus represent a comparatively negligible mass. That is, a small motor with a correspondingly smaller rotor can be selected be, which then also has a correspondingly low mass, because due to the arrangement of the arms arranged on the rotor, the designer now, except for the performance requirements, free to choose the size and the diameter of the motor. Motors can therefore also be used with a small diameter and with correspondingly small moving Masses are used without the risk that none proper compartment opening can be provided.
- the arms are substantially perpendicular to the axis of rotation of the rotor and thus protruding radially, similar to the blades of a propeller on which Rotor arranged. To ensure that the arms depend on the position of the heald frames of the weaving machine is always that of the Control of the device assume the optimal position can, it is provided that the arms are rigid in the circumferential direction are.
- the rotor points in the area its axis of rotation an advantageous central bore for performing of the leno threads. That means that the leno threads are centered by one bore arranged in the rotating body can be passed through it are what the thread guide, especially with regard to a possible Twist in the area of this bore of the rotor improved.
- each arm on the tissue trimmed, front end of the rotor are arranged; here is each arm is advantageously hook-shaped at the end, in the area the hook-shaped bend the eyelet for guiding the leno thread is provided.
- the eyelet can have inserts to prevent wear Reduce the eyelet by guiding the leno thread; are conceivable in particular sleeve-shaped inserts made of ceramic materials.
- FIGS. 1 to 3 there is an overall provided with 10 designated motor, which is used to carry out the Leno threads 20, 30 have a central bore 11.
- 10 designated motor which is used to carry out the Leno threads 20, 30 have a central bore 11.
- the axis of rotation is transverse to the Warp threads 40, that is to say essentially parallel to the weft threads 50 runs.
- two pairs of arms 60, 70 are provided.
- Each arm pair 60, 70 consists of two arms 61, 62 and 71, 72.
- the two pairs of arms run parallel to each other and are at the front end of each Fixed rotor 10, as can be clearly seen from Figure 1.
- the Arms 61, 62 and 71, 72 are hook-shaped at the end and in the area of the hook-shaped bend the eyelets 73, 74 and 63, 64 on. These eyelets are used to pass the leno threads 20, 30, which are drawn off from the bobbins 80, 90.
- the Arms 61, 62 and 71, 72 in the axial direction (arrow 200) of the rotor of the Electric motor 10 designed to be resilient to fluctuations in the To be able to compensate thread tension.
- the edge can be significantly closer to the tissue when the Device can be arranged according to Figure 3.
- it has Device a position of about 45 ° to the tissue.
- a thread guide 120 is provided in the form of a roll or roller, in order to be able to guide the threads to the fabric in such a way that a proper compartment opening can be generated.
- the binding that can be produced with such a device presents itself as a so-called full-turn binding, that is, it is through the binding of each weft is completely tied.
- the fabric edge is extremely stable and flat due to the use of only three threads a small thickness, so that the tissue on the tree in the edge area does not apply and thus also does not run.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Bilden einer Dreherkante, insbesondere für eine Webmaschinen, umfassend einen Elektromotor mit einem Rotor, wobei der Rotor beabstandet zueinander mindestens zwei Führungselemente für die Dreherfäden aufweist.The invention relates to a device for forming a leno edge, especially for a weaving machine, comprising an electric motor a rotor, the rotor being spaced apart from one another by at least two Has guide elements for the leno threads.
Aus der FR-A 23 90 524 ist eine Vorrichtung zum Bilden einer Dreherkante bekannt, die Arme zeigt, die in Achsrichtung federnd nachgiebig ausgebildet sich. Bei dieser Vorrichtung handelt es sich um einen sogenannten "Planetendreher". Ein solcher Planetendreher weist aufgrund seiner Konstruktion eine hohe Masse auf, wobei hinzukommt, daß bei diesem bekannten Planetendreher unmittelbar am Dreher auch noch die Spulen für die Dreherfäden angeordnet sind. Das heißt, daß eine derartige Vorrichtung eine derart große Masse aufweist, daß eine Beschleunigung und ein Abbremsen in kurzen Zeitabständen rein physikalisch überhaupt nicht möglich ist.FR-A 23 90 524 describes a device for forming a leno edge known, the arms shows the resilient in the axial direction trained yourself. This device is a so-called "planetary spinner". Such a planetary twist points out its construction has a high mass, with the addition that this well-known planetary lathe directly on the lathe Spools for the leno threads are arranged. That is, such Device has such a large mass that an acceleration and braking in short time intervals purely physically at all not possible.
Gleiches gilt auch für die DE-A 15 35 579, die ebenfalls einen sogenannten Planetendreher zeigt. Auch diese Vorrichtung ist aufgrund der bewegbaren Masse nicht dazu in der Lage, schnell zu beschleunigen und schnell abzubremsen. Auch die US-A 2,918,092 führt zu keiner anderen Beurteilung; dies deshalb, weil auch diese Vorrichtung die Fadenspulen mit bewegt.The same applies to DE-A 15 35 579, which is also a so-called Planetary twist shows. This device is also movable due to the Mass unable to accelerate quickly and quickly slow down. Neither does US-A 2,918,092 lead to any other Evaluation; this is because this device also has the thread spools emotional.
Eine Vorrichtung der eingangs genannten Art ist aus der DE-PS 44 05 776 bekannt. Hierbei ist ein elektrisch ansteuerbarer Stellmotor vorgesehen, der eine Dreherscheibe antreibt, wobei die Dreherscheibe den Läufer des elektrisch ansteuerbaren Stellmotors bildet. Der Stator selbst ist durch ein Trägerteil an der Webmaschine anbringbar, und zwar vorzugsweise in einem zwischen den Längsstreben und Litzen liegenden Freiraum vor den ersten Webschäften der Webmaschine. Im Einzelnen ist hierbei vorgesehen, daß die Dreherscheibe, die den Läufer des elektrisch ansteuerbaren Stellmotors bildet, als Führungselemente zwei einander gegenüberliegend angeordnete Öffnungen zum Durchführen jeweils eines Dreherfadens aufweist. Dieser bekannte Rotationskantendreher einer Webmaschine arbeitet nun derart, daß er einige hundert Umdrehungen in eine Richtung durchführt und hierbei nach jeweils einer Umdrehung einen Schußfaden abbindet. Es entsteht somit eine Volldreherkante. Auf der Seite der Zuführung der beiden Dreherfäden verdrillen sich diese Dreherfäden entsprechend der Anzahl der Umdrehungen der Dreherscheibe, so daß, um diese Verdrillung aufzuheben, eine Drehrichtungsumkehr erfolgt, mithin also die Dreherscheibe in genau die entgegengesetzte Richtung rotieren muß. Die Anzahl der Umdrehungen in jede Richtung muß hierbei im zeitlichen Mittel gleich sein. Würde keine Drehrichtungsumkehr vorgenommen werden, so würden die Dreherfäden aufgrund der ansteigenden Spannung wegen der zunehmenden Verdrillung irgendwann reißen. Bei den bekannten schnellaufenden Maschinen von bis zu 1200 Schuß pro Minute wurde ermittelt, daß nach etwa 100 bis 1000 Umdrehungen in einer Richtung eine Drehrichtungsumkehr erfolgen sollte. Das heißt, daß nach dem Stand der Technik alle 10 bis 100 Sekunden der Läufer und somit die Dreherscheibe des elektrisch ansteuerbaren Stellmotors umgesteuert werden muß. Aufgrund der Hubzahl einer Webmaschine stehen hierfür maximal 100 Millisekunden zur Verfügung. Das heißt, daß innerhalb von 100 Millisekunden der Läufer des Motors stillstehen muß und wieder in voller Geschwindigkeit in die entgegengesetzte Drehrichtung rotieren muß. Dies ist allerdings aufgrund der hohen Masse der Dreherscheibe beziehungsweise des Läufers mit bekannten Motoren nicht zu bewerkstelligen. Hierbei könnte man natürlich auf den Gedanken kommen, die bewegte Masse des Motors dadurch zu reduzieren, daß der Motor insgesamt kleiner gewählt wird. Es besteht dann allerdings die Gefahr, daß bei geringerem Durchmesser des Läufers und damit der Dreherscheibe nur eine unzureichende Fachbildung zwischen den beiden durch die Dreherscheibe geführten Dreherfäden erfolgt, mit dem Nachteil, daß der Schußfaden nicht sauber eingeführt werden kann. Zudem können die Fäden noch aneinander haften und mithin ist keine saubere Kante herstellbar.A device of the type mentioned is from DE-PS 44 05 776 known. Here, an electrically controllable servomotor is provided, which drives a rotary disc, the rotary disc the rotor of the electrically controllable servomotor forms. The stator itself is through a Carrier part attachable to the loom, preferably in a space between the longitudinal struts and strands in front of the first heald frames of the loom. In detail, it is provided that that the rotating disc that the rotor of the electrically controllable Servomotor forms, as guide elements two opposite one another arranged openings for passing a leno thread having. This well-known rotary edge lathe of a weaving machine now works in such a way that it turns several hundred revolutions in one direction carries out a weft thread after each revolution sets. This creates a full-turn edge. On the side of the Feeding the two leno threads twist these leno threads corresponding to the number of revolutions of the rotating disc, so that, um To cancel this twist, the direction of rotation is reversed, and thus the rotating disc must rotate in exactly the opposite direction. The number of revolutions in each direction must be timed Means be the same. Would not reverse the direction of rotation would be the leno threads due to the increasing tension because of the increasing twist at some point. With the known high-speed machines of up to 1200 rounds per minute determined that after about 100 to 1000 revolutions in one direction The direction of rotation should be reversed. That means that according to the state of the Technology every 10 to 100 seconds of the rotor and thus the rotating disc of the electrically controllable servomotor must be reversed. Due to the number of strokes of a weaving machine, there are a maximum of 100 Milliseconds available. This means that within 100 Milliseconds the rotor of the motor has to stand still and in full again Speed must rotate in the opposite direction of rotation. This is due to the high mass of the rotating disc respectively of the runner with known motors cannot be accomplished. Here one could naturally think of the moving mass of the Reduce the motor by making the motor smaller overall becomes. However, there is then a risk that with less Diameter of the rotor and therefore only one of the rotors insufficient shed formation between the two due to the rotating disc guided leno threads, with the disadvantage that the weft thread is not can be introduced cleanly. In addition, the threads can still be together stick and therefore no clean edge can be produced.
Darüber hinaus besteht das Problem, daß bei der Rotation der Führungselemente die Fadenspannung der durch die Führungelemente geführten Dreherfäden schwankt. Die Schwankungen sind abhängig von der Fadenlänge der Dreherfäden, die wiederum abhängig ist von dem Drehwinkel und von der Winkelstellung der Vorrichtung zu der Webmaschine. Bei empfindlichen Garnen besteht aufgrund der Schwankungen in der Fadenspannung die Gefahr, daß der Faden reißt.In addition, there is a problem that when the Guide elements the thread tension through the guide elements guided leno threads fluctuates. The fluctuations depend on the thread length of the leno threads, which in turn depends on the Angle of rotation and from the angular position of the device to the Weaving machine. With sensitive yarns there is a Fluctuations in the thread tension the danger that the thread breaks.
Der Erfindung liegt daher die Aufgabe zugrunde eine Vorrichtung der eingangs genannte Art derart weiterzubilden, daß diese zum Einen eine geringe Masse aufweist, um auch bei schnellaufenden Webmaschinen eine ordnungsgemäße Volldreherkante bereitstellen zu können, und daß diese darüber hinaus in der Lage ist, Schwankungen in der Fadenspannung der Dreherfäden zu kompensieren, so daß ein Reißen der Fäden vermieden wird.The invention is therefore based on the object of a device type mentioned in such a way that this on the one hand has a low mass in order to achieve a high speed weaving machine to be able to provide proper full-turn edge, and that this is also able to accommodate fluctuations in the thread tension To compensate for leno threads so that the threads do not break becomes.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Führungselemente als Arme ausgebildet sind, die endseitig Ösen zur Durchführung der Dreherfäden aufweisen, wobei die Arme in Achsrichtung des Elektromotors zur Kompensation von Fadenspannungen federnd nachgiebig ausgebildet sind.The object is achieved in that the Guide elements are designed as arms, the ends for eyelets Have implementation of the leno threads, the arms in the axial direction of the electric motor to compensate for thread tension are compliant.
Durch die federnde Ausbildung der Führungselemente in axialer Richtung des Rotors und die entsprechende Verbiegung der Führungselemente, erfolgt eine Kompensation von ansonsten auftretenden Schwankungen in der Fadenspannung der Dreherfäden.Due to the resilient design of the guide elements in the axial direction of the rotor and the corresponding bending of the guide elements, compensation of otherwise occurring fluctuations is carried out in the thread tension of the leno threads.
Zur Entdrillung der Dreherfäden ist vorgesehen, daß der Rotor des Elektromotors in seiner Drehrichtung umsteuerbar ist.To untwist the leno threads, it is provided that the rotor of the Electric motor is reversible in its direction of rotation.
Vorteilhaft weisen die elastisch nachgiebigen Arme endseitig Ösen zur Durchführung der Dreherfäden auf. Die Arme selbst können durchaus leicht ausgebildet sein, da sie im wesentlichen kaum beansprucht werden. Sie stellen somit eine vergleichsweise vernachlässigbare Masse dar. Das heißt, es kann ein kleiner Motor mit entsprechend kleinerem Rotor gewählt werden, der dann auch eine entsprechend geringe Masse besitzt, da aufgrund der Anordnung der am Rotor angeordneten Arme der Konstrukteur nunmehr, bis auf die Leistungsanforderungen, frei in der Wahl der Größe und des Durchmessers des Motors ist. Es können deshalb auch Motoren mit geringem Durchmesser und mit entsprechend geringen bewegten Massen zum Einsatz kommen, ohne daß die Gefahr besteht, daß keine ordnungsgemäße Fachöffnung bereitgestellt werden kann. Denn durch Veränderbarkeit der Länge der Arme, die an dem Rotor angeordnet sind, kann der Abstand der Ösen in den Armen und damit die Größe der Fachöffnung im wesentlichen frei gewählt werden. Insofern besteht auch die Möglichkeit zur Entdrillung der Dreherfäden, den Rotor in seiner Drehrichtung umsteuerbar auszugestalten.The elastically resilient arms advantageously have eyelets at the end Carrying the leno threads on. The arms themselves can be light be trained, since they are hardly used. she thus represent a comparatively negligible mass. That is, a small motor with a correspondingly smaller rotor can be selected be, which then also has a correspondingly low mass, because due to the arrangement of the arms arranged on the rotor, the designer now, except for the performance requirements, free to choose the size and the diameter of the motor. Motors can therefore also be used with a small diameter and with correspondingly small moving Masses are used without the risk that none proper compartment opening can be provided. Because by Changeability of the length of the arms, which are arranged on the rotor, can the distance between the eyes in the arms and therefore the size of the Subject opening can be chosen essentially freely. In this respect there is also the ability to untwist the leno threads, the rotor in its Design direction of rotation reversible.
Die Arme sind im wesentlichen rechtwinklig zur Rotationsachse des Rotors und somit radial abstehend, ähnlich den Flügeln eines Propellers, an dem Rotor angeordnet. Um zu gewährleisten, daß die Arme in Abhängigkeit von der Stellung der Webschäfte der Webmaschine immer die durch die Steuerung der Vorrichtung vorgesehene optimale Stellung einnehmen zu können, ist vorgesehen, daß die Arme in Umfangsrichtung steif ausgebildet sind.The arms are substantially perpendicular to the axis of rotation of the rotor and thus protruding radially, similar to the blades of a propeller on which Rotor arranged. To ensure that the arms depend on the position of the heald frames of the weaving machine is always that of the Control of the device assume the optimal position can, it is provided that the arms are rigid in the circumferential direction are.
Nach einem vorteilhaften Merkmal der Erfindung weist der Rotor im Bereich seiner Rotationsachse eine vorteilhaft zentrische Bohrung zur Durchführung der Dreherfäden auf. Das heißt, daß die Dreherfäden durch eine zentrisch im Rotationskörper angeordnete Bohrung durch diesen hindurchführbar sind, was die Fadenführung, insbesondere im Hinblick auf eine mögliche Verdrillung im Bereich dieser Bohrung des Rotors verbessert.According to an advantageous feature of the invention, the rotor points in the area its axis of rotation an advantageous central bore for performing of the leno threads. That means that the leno threads are centered by one bore arranged in the rotating body can be passed through it are what the thread guide, especially with regard to a possible Twist in the area of this bore of the rotor improved.
Im einzelnen ist vorgesehen, daß die Arme am auf das Gewebe zugerichteten, stirnseitigen Ende des Rotors angeordnet sind; hierbei ist jeder Arm vorteilhaft endseitig hakenförmig ausgebildet, wobei im Bereich der hakenförmigen Biegung die Öse zur Führung des Dreherfadens vorgesehen ist. Die Öse kann Einsätze aufweisen, um den Verschleiß der Öse durch die Führung des Dreherfadens zu vermindern; denkbar sind insbesondere hülsenförmige Einsätze aus keramischen Werkstoffen.In particular, it is provided that the arms on the tissue trimmed, front end of the rotor are arranged; here is each arm is advantageously hook-shaped at the end, in the area the hook-shaped bend the eyelet for guiding the leno thread is provided. The eyelet can have inserts to prevent wear Reduce the eyelet by guiding the leno thread; are conceivable in particular sleeve-shaped inserts made of ceramic materials.
Nach einem weiteren Merkmal der Erfindung ist der Elektromotor mit dem Rotor derart an der Webmaschine angeordnet, daß die Rotationsachse entweder parallel oder in einem Winkel von bis zu 90 ° zu den Kettfäden verläuft. Insbesondere bei einer Winkelstellung von fast 90 ° wird die Vorrichtung in optimaler Weise unmittelbar an die Gewebekante gebracht, so daß eine Dreherkante auch unmittelbar am Gewebeende angeordnet werden kann. Hierbei kann es nach einem weiteren Merkmal der Erfindung erforderlich sein, parallel zu den am auf das Gewebe zugerichteten stirnseitigen Ende angeordneten Arme, am gegenüberliegenden stirnseitigen Ende des Rotors entsprechend angeordnete weitere Arme vorzusehen. Diese weiteren Arme können deswegen erforderlich sein, um eine ordnungsgemäße Verdrillung der Dreherfäden im Bereich der Zuführung der Dreherfäden von den Spulen zu gewährleisten. Dies deshalb, damit die Verdrillung der Dreherfäden im Zuführungsbereich der Fäden von den Spulen mit Drehrichtungsumkehr des Rotors des Elektromotors in gleicher Weise entdrillt werden können, wie sie verdrillt wurden. Diese Problematik tritt in dieser Form nicht auf, wenn der Rotor mit seiner Rotationsachse parallel zu den Kettfäden der Webmaschine angeordnet ist.According to a further feature of the invention, the electric motor with the Rotor arranged on the loom in such a way that the axis of rotation either parallel or at an angle of up to 90 ° to the warp threads runs. Especially at an angular position of almost 90 ° Optimally brought the device directly to the tissue edge, so that a leno edge is also arranged directly at the end of the fabric can be. It can be according to a further feature of the invention be required parallel to the most targeted at the tissue arms arranged at the front end, at the opposite end To provide correspondingly arranged further arms at the end of the rotor. These additional arms may therefore be required to make one proper twisting of the leno threads in the area of the feed of the Ensure leno threads from the bobbins. This is so that the Twisting of the leno threads in the feed area of the threads from the Coils with reversal of the direction of rotation of the rotor of the electric motor in the same Can be untwisted the way they were twisted. This problem does not occur in this form if the rotor with its axis of rotation is arranged parallel to the warp threads of the loom.
Anhand der Zeichnung wird die Erfindung beispielhaft näher erläutert.
- Figur 1
- zeigt schematisch die nahezu rechtwinklige Anordnung der erfindungsgemäßen Vorrichtung zum Gewebe, wobei die Schäfte und das Riet wegen der besseren Übersicht weggelassen sind;
- Figur 2
- zeigt die Vorrichtung schematisch in einer Stellung, wobei die Rotationsachse des Rotors parallel zu den Kettfäden verläuft;
- Figur 3
- zeigt eine Stellung des Elektromotors mit Rotor in einem Winkel von etwa 45 ° zu den Kettfäden;
- Figur 4
- zeigt das Bindeschema einer Volldreherkante.
- Figure 1
- shows schematically the almost right-angled arrangement of the device according to the invention for tissue, the shafts and the reed are omitted because of the better overview;
- Figure 2
- shows the device schematically in one position, the axis of rotation of the rotor running parallel to the warp threads;
- Figure 3
- shows a position of the electric motor with rotor at an angle of about 45 ° to the warp threads;
- Figure 4
- shows the binding scheme of a full-turn edge.
Bei der in den Figuren 1 bis 3 dargestellten Vorrichtung 1 ist ein insgesamt
mit 10 bezeichneter Motor vorgesehen, der zur Durchführung der
Dreherfäden 20, 30 eine zentrische Bohrung 11 besitzt. Bei der in Figur 1
dargestellten Ausführungsform, bei der die Rotationsachse quer zu den
Kettfäden 40, das heißt im wesentlichen parallel zu den Schußfäden 50
verläuft, sind zwei Armpaare 60, 70 vorgesehen. Jedes Armpaar 60, 70
besteht aus zwei Armen 61, 62 bzw. 71, 72. Die beiden Armpaare
verlaufen parallel zueinander und sind am jeweils stirnseitigen Ende des
Rotors 10 befestigt, wie sich dies aus Figur 1 deutlich erkennen läßt. Die
Arme 61, 62 bzw. 71, 72 sind endseitig hakenförmig gebogen ausgebildet
und weisen im Bereich der hakenförmigen Biegung die Ösen 73, 74 bzw.
63, 64 auf. Diese Ösen dienen der Durchführung der Dreherfäden 20, 30,
die von den Garnspulen 80, 90 abgezogen werden. Darüber hinaus sind die
Arme 61, 62 bzw. 71, 72 in axialer Richtung (Pfeil 200) des Rotors des
Elektromotors 10 federnd nachgiebig ausgebildet, um Schwankungen in der
Fadenspannung kompensieren zu können.In the device 1 shown in FIGS. 1 to 3 there is an overall
provided with 10 designated motor, which is used to carry out the
Bei Rotation der Armpaare 60, 70 entsteht im Bereich des Gewebes die
Volldreherkante 100 (Fig. 4). Im Bereich der Zuführung der Dreherfäden 20,
30 von den Garnspulen 80, 90 erfolgt ebenfalls eine Verdrillung der Fäden
(bei 110), die dadurch wieder aufgehoben wird, daß die Drehrichtung des
Rotors nach einer bestimmten Anzahl Umdrehungen in einer Richtung
umgekehrt wird. Eine Entdrillung der Dreherkante 100 wird hierbei dadurch
vermieden, daß zwischen den Dreherfäden die Schußfäden 50 einliegen.
Das heißt, daß auch bei der Entdrillung der Verdrillung 110 auf der anderen
Seite im Bereich des Gewebes eine weitere Gewebekante durch Verdrillung
mit den entsprechenden Schußfäden entsteht.When the arm pairs 60, 70 rotate, the arises in the area of the tissue
Full-turn edge 100 (Fig. 4). In the area of the supply of the
Die Arbeitsweise der Vorrichtung ist nun derart, daß der Rotor eines Elektromotors so angetrieben wird, daß seine Drehung mit der Schaftbewegung synchronisiert ist. Wahlweise kann durch einen entsprechenden Phasenversatz in der Synchronisation zwischen der Drehbewegung des Rotors und der Schaftbewegung auch eine vorzeitige Abbindung erreicht werden. Das heißt, eine derartige Vorrichtung arbeitet schaftunabhängig, im Gegensatz zu Kantenapparaten, die an den Webschäften eingeordnet sind.The operation of the device is now such that the rotor one Electric motor is driven so that its rotation with the Shaft movement is synchronized. Optionally, by one corresponding phase shift in the synchronization between the Rotary movement of the rotor and the shaft movement also a premature Tie can be achieved. That is, such a device works independent of the shaft, in contrast to edging devices which are attached to the Heald frames are classified.
Bei der in Figur 2 dargestellten parallel verlaufenden Anordnung der
Rotationsachse zu den Kettfäden 40, bei der die Schäfte mit 130 und das
Riet mit 140 bezeichnet sind, gibt es naturgemäß nur geringe Probleme bei
der Zuführung der Dreherfäden 20, 30 zu der Vorrichtung. Allerdings ist bei
der in Figur 2 dargestellten Stellung des Rotors zum Gewebe ein relativ
großer Abstand zum Gewebe vorhanden, so daß die Dreherkante nicht
unmittelbar am Gewebe angeordnet werden kann.In the parallel arrangement of the
Rotation axis to the
Wesentlich näher am Gewebe kann die Kante bei der Stellung der
Vorrichtung gemäß Figur 3 angeordnet werden. Hier nämlich hat die
Vorrichtung eine Stellung von etwa 45 ° zum Gewebe. Allerdings ist
hierbei eine Fadenführung 120 in Form einer Rolle oder Walze vorgesehen,
um die Fäden derart zum Gewebe führen zu können, daß eine
ordnungsgemäße Fachöffnung erzeugbar ist. The edge can be significantly closer to the tissue when the
Device can be arranged according to Figure 3. Here it has
Device a position of about 45 ° to the tissue. However
here a
Die Bindung, die mit einer derartigen Vorrichtung herstellbar ist (Figur 4), stellt sich als sogenannte Volldreherbindung dar, das heißt, es wird durch die Bindung jeder Schußfaden vollständig abgebunden. Eine derartige Gewebekante ist trotz nur dreier Fäden äußerst stabil und weist eben aufgrund der Verwendung von nur drei Fäden eine geringe Dicke auf, so daß das Gewebe auf dem Baum im Randbereich nicht aufträgt und somit auch nicht verläuft.The binding that can be produced with such a device (FIG. 4) presents itself as a so-called full-turn binding, that is, it is through the binding of each weft is completely tied. Such Despite only three threads, the fabric edge is extremely stable and flat due to the use of only three threads a small thickness, so that the tissue on the tree in the edge area does not apply and thus also does not run.
Claims (12)
- Device for producing a leno selvedge, particularly for a loom, including an electromotor (10) with a rotor, whereas the rotor has at least two spaced guide elements for passing the leno threads (20, 30),
characterized in that the guide elements are designed as arms (61, 62; 71, 72)) with eyes (63, 64; 73, 74) at their ends for passing the leno threads (20, 30), the arms (61, 62; 71, 72) being elastic and flexible in axial direction of the electromotor (10) in order to compensate the thread tensions. - Device according to one of the previous claims,
characterized in that the arms (61, 62; 71, 72) are stiff in circumferential direction. - Device according to one of the previous claims,
characterized in that the rotor of the electromotor (10) has a boring (11) in the area of its rotational axis for passing the leno threads (20, 30). - Device according to one of the previous claims,
characterized in that the arm (61, 62; 71, 72) is designed at its ends as a hook, whereas the eye (63, 64; 73, 74) is provided in the area of the hook-shaped curve. - Device according to one of the previous claims,
characterized in that the arms (61, 62; 71, 72) are arranged on the front side of the rotor of the electromotor (10), this side being directed towards the material. - Device according to one of the previous claims,
characterized in that further arms (71, 72) are provided on the opposite front side parallel to the arms (61, 62) arranged on the front side facing the material. - Device according to one of the previous claims,
characterized in that the electromotor (10) together with the rotor is arranged onto the loom in such a way that the rotational axis runs either parallel or in an angle of up to 90° to the warp threads (40). - Device according to one of the previous claims,
characterized in that the arms (61, 62; 71, 72) are mountable onto the rotating element (10) so that they are radially adjustable. - Device according to one of the previous claims,
characterized in that the length of the arms (61, 62; 71, 72) is changeable. - Device according to claim 3,
characterized in that the boring (11) for passing the leno threads (20, 30) is arranged centrically in the rotor. - Device according to one of the previous claims,
characterized in that the arms (61, 62; 71, 72) are arranged on the rotor, being thereby perpendicular to the rotation axis of the rotor of the electromotor (10) and standing radially out. - Device according to one of the previous claims,
characterized in that the rotating direction of the rotor of the electromotor (10) can be inverted.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19548955 | 1995-12-28 | ||
| DE19548955A DE19548955C1 (en) | 1995-12-28 | 1995-12-28 | Appts. to form a leno selvedge at shuttleless loom |
| PCT/DE1996/001908 WO1997024480A1 (en) | 1995-12-28 | 1996-10-03 | Device for producing a leno selvedge, in particular for shuttleless looms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0873439A1 EP0873439A1 (en) | 1998-10-28 |
| EP0873439B1 true EP0873439B1 (en) | 1999-07-28 |
Family
ID=7781549
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96919555A Expired - Lifetime EP0839219B1 (en) | 1995-12-28 | 1996-05-21 | Device for producing a leno selvedge, in particular for shuttleless looms |
| EP96945811A Expired - Lifetime EP0873439B1 (en) | 1995-12-28 | 1996-10-03 | Device for producing a leno selvedge, in particular for shuttleless looms |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96919555A Expired - Lifetime EP0839219B1 (en) | 1995-12-28 | 1996-05-21 | Device for producing a leno selvedge, in particular for shuttleless looms |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US5996646A (en) |
| EP (2) | EP0839219B1 (en) |
| JP (2) | JP3278811B2 (en) |
| CN (2) | CN1046973C (en) |
| AT (2) | ATE181378T1 (en) |
| CZ (2) | CZ285536B6 (en) |
| DE (2) | DE19548955C1 (en) |
| ES (2) | ES2133969T3 (en) |
| GR (2) | GR3030784T3 (en) |
| HK (1) | HK1017911A1 (en) |
| SI (1) | SI0839219T1 (en) |
| WO (2) | WO1997024479A1 (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19548955C1 (en) * | 1995-12-28 | 1996-09-12 | Kloecker Entwicklungs Gmbh | Appts. to form a leno selvedge at shuttleless loom |
| DE19647495C1 (en) * | 1996-11-16 | 1998-01-02 | Kloecker Entwicklungs Gmbh | Apparatus to form a leno selvedge |
| DE19654962A1 (en) * | 1996-12-12 | 1998-06-18 | Dornier Gmbh Lindauer | Holding and positioning device for a leno selvedge device in weaving machines |
| DE19651610B4 (en) * | 1996-12-12 | 2005-03-10 | Dornier Gmbh Lindauer | Apparatus for forming a leno selvedge for weaving machines |
| DE19716349C1 (en) * | 1997-04-18 | 1998-06-10 | Kloecker Entwicklungs Gmbh | Loom leno selvedge unit drive |
| DE19743872C1 (en) * | 1997-10-04 | 1998-12-17 | Kloecker Entwicklungs Gmbh | Leno selvedge electromotor control |
| DE50008469D1 (en) * | 1999-05-03 | 2004-12-09 | Sultex Ag Rueti | Device and method for providing a leno thread for a weaving machine |
| DE50209702D1 (en) * | 2001-06-09 | 2007-04-26 | Kloecker Gmbh Geb | Device for determining yarn breaks of leno threads in a weaving machine or weaving machine, in particular with heald frames and a device for determining yarn breaks |
| JP2004162226A (en) * | 2002-11-15 | 2004-06-10 | Tsudakoma Corp | Method for controlling electric selvage forming apparatus |
| DE10302730A1 (en) * | 2003-01-23 | 2004-08-12 | Klöcker-Entwicklungs-Gmbh | Device for regulating the thread tension of a thread drawn from a thread spool of a thread spool holder for a leno selvedge device |
| CN100361713C (en) * | 2005-09-28 | 2008-01-16 | 河南飘安集团有限公司 | Medical ventolin dressing |
| BE1018102A3 (en) * | 2008-04-21 | 2010-05-04 | Picanol Nv | DEVICE FOR TENSIONING A LENO WIRE FOR A TROUSER DEVICE FOR A WEAVING MACHINE. |
| DE102012009420A1 (en) * | 2012-05-11 | 2013-11-14 | Gebrüder Klöcker GmbH | Device for producing a fabric |
| CN102926107A (en) * | 2012-11-16 | 2013-02-13 | 江苏九鼎新材料股份有限公司 | Loom capable of providing high-strength glass fiber reinforcing cloth in novel texture structure |
| US9689976B2 (en) | 2014-12-19 | 2017-06-27 | Xidrone Systems, Inc. | Deterent for unmanned aerial systems |
| US9715009B1 (en) | 2014-12-19 | 2017-07-25 | Xidrone Systems, Inc. | Deterent for unmanned aerial systems |
| EP3162934B1 (en) | 2015-10-28 | 2018-03-28 | Gebrüder Klöcker GmbH | Device for forming a leno selvedge, in particular for a loom, and projectile weaving loom equipped with said device |
| EP3197029B1 (en) | 2016-01-19 | 2019-05-29 | Gebrüder Klöcker GmbH | Device using an electric motor for forming a leno selvedge, in particular for a loom, and projectile weaving loom equipped with said device |
| US10907940B1 (en) | 2017-12-12 | 2021-02-02 | Xidrone Systems, Inc. | Deterrent for unmanned aerial systems using data mining and/or machine learning for improved target detection and classification |
| CN108327957B (en) * | 2018-04-23 | 2024-07-19 | 江苏旭田环保机械有限公司 | Stranded wire cutting mechanism and working method |
| DE102020100857A1 (en) | 2020-01-15 | 2021-07-15 | Gebrüder Klöcker GmbH | Textile fabric with warp and weft threads |
| CN111286839B (en) * | 2020-04-16 | 2024-07-26 | 山东玉马遮阳科技股份有限公司 | Weaving method of vertical flexible screen window curtain cloth |
| BE1029772B1 (en) * | 2021-09-20 | 2023-04-17 | Sioen Ind | REINFORCEMENT FABRIC FOR SYNTHETIC MEMBRANES |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE128364C (en) * | ||||
| US2918092A (en) * | 1957-04-09 | 1959-12-22 | Paabo Max | Device for effecting equal tensile stresses in two threads |
| DE1535579B1 (en) * | 1965-07-16 | 1970-06-25 | Nissan Motor | Lathe device for forming edges on weaving machines, which consists of a fixed sun gear and two planetary gears engaging in it, which carry rotating bobbins and thread guide eyelets with them |
| US3613741A (en) * | 1969-01-21 | 1971-10-19 | Boris Kroll Jacquard Looms Inc | Shuttleless loom |
| CS172682B1 (en) * | 1974-08-12 | 1977-01-28 | ||
| CH621158A5 (en) * | 1977-05-13 | 1981-01-15 | Rueti Ag Maschf | |
| US4166428A (en) * | 1978-05-09 | 1979-09-04 | General Time Corporation | Intruder alarm |
| US4421141A (en) * | 1979-08-06 | 1983-12-20 | Leesona Corporation | Fabric selvage forming |
| BE1000902A4 (en) * | 1987-09-02 | 1989-05-09 | Picanol Nv | DEVICE FOR FORMING A selvedge TO A TISSUE FOR LOOMS |
| JPH01174633A (en) * | 1987-12-26 | 1989-07-11 | Nissan Motor Co Ltd | Selvedge apparatus of shuttleless loom |
| EP0777003A2 (en) * | 1994-02-23 | 1997-06-04 | Lindauer Dornier Gesellschaft M.B.H | Rotary leno selvedge mechanism for looms |
| DE4405776C1 (en) * | 1994-02-23 | 1995-08-17 | Dornier Gmbh Lindauer | Rotary edger of a weaving machine |
| DE19548955C1 (en) * | 1995-12-28 | 1996-09-12 | Kloecker Entwicklungs Gmbh | Appts. to form a leno selvedge at shuttleless loom |
-
1995
- 1995-12-28 DE DE19548955A patent/DE19548955C1/en not_active Expired - Fee Related
-
1996
- 1996-05-21 JP JP52394997A patent/JP3278811B2/en not_active Expired - Fee Related
- 1996-05-21 CN CN96195037A patent/CN1046973C/en not_active Expired - Fee Related
- 1996-05-21 WO PCT/DE1996/000882 patent/WO1997024479A1/en active IP Right Grant
- 1996-05-21 EP EP96919555A patent/EP0839219B1/en not_active Expired - Lifetime
- 1996-05-21 ES ES96919555T patent/ES2133969T3/en not_active Expired - Lifetime
- 1996-05-21 SI SI9630082T patent/SI0839219T1/en not_active IP Right Cessation
- 1996-05-21 US US09/077,864 patent/US5996646A/en not_active Expired - Lifetime
- 1996-05-21 AT AT96919555T patent/ATE181378T1/en not_active IP Right Cessation
- 1996-05-21 CZ CZ98445A patent/CZ285536B6/en not_active IP Right Cessation
- 1996-10-03 CN CN96199449A patent/CN1058306C/en not_active Expired - Fee Related
- 1996-10-03 US US09/077,789 patent/US6098669A/en not_active Expired - Lifetime
- 1996-10-03 EP EP96945811A patent/EP0873439B1/en not_active Expired - Lifetime
- 1996-10-03 JP JP52395797A patent/JP3248078B2/en not_active Expired - Fee Related
- 1996-10-03 AT AT96945811T patent/ATE182637T1/en not_active IP Right Cessation
- 1996-10-03 WO PCT/DE1996/001908 patent/WO1997024480A1/en active IP Right Grant
- 1996-10-03 ES ES96945811T patent/ES2135266T3/en not_active Expired - Lifetime
- 1996-10-03 CZ CZ19982027A patent/CZ286439B6/en not_active IP Right Cessation
- 1996-10-03 DE DE59602575T patent/DE59602575D1/en not_active Expired - Lifetime
-
1999
- 1999-07-13 HK HK99103004A patent/HK1017911A1/en not_active IP Right Cessation
- 1999-07-14 GR GR990401871T patent/GR3030784T3/en unknown
- 1999-10-07 GR GR990402533T patent/GR3031444T3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE59602575D1 (en) | 1999-09-02 |
| JPH11501999A (en) | 1999-02-16 |
| CZ44598A3 (en) | 1998-05-13 |
| EP0873439A1 (en) | 1998-10-28 |
| ES2133969T3 (en) | 1999-09-16 |
| CN1058306C (en) | 2000-11-08 |
| SI0839219T1 (en) | 1999-10-31 |
| WO1997024480A1 (en) | 1997-07-10 |
| CN1046973C (en) | 1999-12-01 |
| CN1206440A (en) | 1999-01-27 |
| CN1189197A (en) | 1998-07-29 |
| ATE181378T1 (en) | 1999-07-15 |
| JP3278811B2 (en) | 2002-04-30 |
| ATE182637T1 (en) | 1999-08-15 |
| US6098669A (en) | 2000-08-08 |
| EP0839219B1 (en) | 1999-06-16 |
| GR3030784T3 (en) | 1999-11-30 |
| CZ285536B6 (en) | 1999-08-11 |
| US5996646A (en) | 1999-12-07 |
| GR3031444T3 (en) | 2000-01-31 |
| EP0839219A1 (en) | 1998-05-06 |
| DE19548955C1 (en) | 1996-09-12 |
| JP3248078B2 (en) | 2002-01-21 |
| CZ286439B6 (en) | 2000-04-12 |
| CZ202798A3 (en) | 1999-01-13 |
| HK1017911A1 (en) | 1999-12-03 |
| JPH11502905A (en) | 1999-03-09 |
| WO1997024479A1 (en) | 1997-07-10 |
| ES2135266T3 (en) | 1999-10-16 |
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