EP1702876B1 - Yarn traversing device for a winding device of a textile machine producing cross-wound bobbins - Google Patents
Yarn traversing device for a winding device of a textile machine producing cross-wound bobbins Download PDFInfo
- Publication number
- EP1702876B1 EP1702876B1 EP20060001584 EP06001584A EP1702876B1 EP 1702876 B1 EP1702876 B1 EP 1702876B1 EP 20060001584 EP20060001584 EP 20060001584 EP 06001584 A EP06001584 A EP 06001584A EP 1702876 B1 EP1702876 B1 EP 1702876B1
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- EP
- European Patent Office
- Prior art keywords
- thread
- connection means
- traversing device
- guide
- thread traversing
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2821—Traversing devices driven by belts or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the invention relates to a Fadenchangiervoriques for a winding device of a cheese-producing textile machine with the features of the preamble of claim 1.
- Winding devices in which the drive of the spool is separated from the drive of the Fadenchangier nails are, for example in the DE 198 58 548 A1 described. These known winding devices each have a drive roller acted upon by a single motor and a separate thread-changing device which has a thread-laying arm. The drive of this so-called finger thread guide takes place via an electric motor single drive, which is in the extremes of the pivoting range with energy storage, such as a magnetic spring equipped. By optimizing, for example, the shape of the thread-laying arm, the mass inertia of these thread-passing systems could be minimized, so that high traversing frequencies can be achieved with such thread-changing systems.
- Fadenchangiersystemen describes the thread-leading part of the thread laying arm, which is hereinafter referred to as a thread guide, but a circular path, while the incoming thread between the drive roller and bobbin must be placed on a straight line. Because of this circular path of the thread guide, it is not possible with these thread switching devices to position the thread guide close to the points of contact of the thread on the spool. That is, between the yarn guide and the actual Auflaufstelle on the spool is a relatively large distance, which is also dependent on the diameter of the coil. In practice, this means, the greater this distance, which is also referred to as the towing length, the more the thread trails behind the thread guide and the greater the absolute difference in stroke between the traverse width of the thread guide and the laying width of the thread.
- winding devices have already been proposed with thread laying systems in which a yarn guide is immediately changed along the coil surface.
- a winding device with a separate drive for the bobbin rotation and a Fadenchang réelle having an iridescent in the vicinity of the bobbin surface yarn guide is, for example, in EP 0 453 622 A1 described.
- the coil is rotated by means of a driven support roller via frictional engagement.
- the Fadenchang réelle via a single motor driven belt guide. That is, a sliding in a linear guide yarn guide is via a continuous traction means that via lateral pulleys is guided, connected to a microprocessor-controlled stepper motor.
- the yarn guide slides back and forth parallel to the cheeses surface as close as possible to the coil surface.
- Fadenchangiersysteme have a fairly high inertia. That is, in such systems constantly a relatively long and correspondingly heavy endless traction means, two pulleys and the belt drive itself must be alternately accelerated and braked again.
- the EP 1 342 687 A2 describes a comparable Fadenchangier driving, which also has a machine-length thread guide rod on which a traversing yarn guide is arranged in each case in the field of winding units of a textile machine.
- the thread guide rod has either, as already described above, at the end a rack, or the thread guide rod is connected via a clamping device to a continuous toothed belt.
- the endless toothed belt runs over the drive pinion of an electric motor and via a likewise toothed deflection wheel.
- the invention has the object to develop a Fadenchangiervorraum that combines the advantages of the known Fadenchangiervortechnischen in, but without having their disadvantages.
- the thread-changing device not only has the advantage that the iridescent thread guide, as in a belt thread guide, can be positioned in the immediate vicinity of the cheeses surface and thus the Fadenauflaufstellen or a nip, which affects the shortening of the drag length of the thread, but the invention Fadenchangier immunity is also characterized by favorable inertia. That is, by dispensing with a closed belt and corresponding deflecting succeeds on the one hand to minimize the mass to be moved Fadenchangier nails, which has a positive effect on the achievable traversing frequency of the yarn guide, and on the other hand to keep the following error so small that no negative consequences occur for the construction of the cheese.
- the finite connecting means is formed as a flexible band and is supported in the traversing range in a stationary linear guide.
- the connecting means outside the traversing range is also supported in a stationary, circular guide.
- Such guide means reliably prevent the connecting means from being able to be bent upwards or downwards during the winding operation.
- the Fadenchangier worn is installed in the region of the center of the circular guide of the single motor drive. That is, the motor shaft of the single drive rotates about the central axis of the circular guide (Anspr.4) and drives it via a stop means on which the finite, flexible connecting means is fixed to the yarn guide.
- the stationary guide is designed as a guide slot, in which the connecting means is supported during the traversing of the thread guide.
- connection of the connecting means to the motor shaft of the single-motor drive is preferably carried out, as stated in claim 6, via a lever which is non-rotatably attached to the motor shaft.
- a lever which is non-rotatably attached to the motor shaft.
- Such an example made of fiber reinforced plastic lever not only has a high rigidity and durability but has, with appropriate training, also has a relatively low moment of inertia. That is, by optimizing the lever shape, the mass to be moved can be minimized.
- in accordance with claim 7 corresponds to a stationary guide with a movable, circular or partially circular band carrier on which the connecting means deposits during retraction. That is, the connecting means connected via a movable, circular or partially circular band carrier with the motor shaft of the drive and is covered by a stationary guide, which prevents the connecting means can escape when introducing compressive forces upwards.
- the connecting means is preferably made of a material in which a good relationship between strength and mass is given. That is, the connecting means is made of a lightweight but tensile and pressure-resistant material. Such a design ensures that the weight of the mass to be moved of the Fadenchangier engaged relatively low is held, which has a positive effect on the achievable traversing speed. In addition, it is ensured by the use of such a material that a set thread laying area exactly adhered to, that is, a precise thread laying can be realized.
- the finite connecting means of the thread-switching device made of a composite material, such as a fiber-reinforced plastic or, as described in claim 10, as a connecting means is a thin steel strip used.
- a relatively inexpensive connecting means the shear stiffness can be further increased by the fact that the connecting means, as set forth in claim 11, receives a profiling.
- the connecting means has a cross-sectional profile, which may be formed, for example saddle roof-shaped (Anspr.12), arcuate (Anspr.13) or wave-like (Anspr.14).
- a cross-sectional profile which may be formed, for example saddle roof-shaped (Anspr.12), arcuate (Anspr.13) or wave-like (Anspr.14).
- FIG. 1 is a schematic side view of the workstation 2 of a cheese-producing textile machine, in the present case of a so-called cross-winding machine 1 shown.
- the spinning stations 3 produced on a ring spinning machine are rewound to large-volume cheeses 5 on the work stations 2 of such automatic packages 1.
- the cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, preferably a so-called cheese changer, handed over to a machine-length cross-bobbin transport device 7 and transported to a machine end side Spulenverladestation or the like.
- a (not shown) automatically operating service unit preferably a so-called cheese changer
- such automatic packages 1 also have a logistics device in the form of a package and tube transport system 6.
- a logistics device in the form of a package and tube transport system 6.
- this bobbin and tube transport system 6 run on transport plates 11, the spinning cops 3 or empty tubes to.
- the bobbin and tube transport system 6 are in FIG. 1 only the Kopszu 1500robe 24, the reversing drivable storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the sleeve return path 27 shown.
- the individual winding units also have, as known and therefore only indicated, various facilities that ensure the proper operation of such jobs.
- One of these devices is, for example, the winding device 4.
- the winding device 4 has a coil frame 8, which is movably mounted about a pivot axis 12.
- the coil frame 8 can also, for example, for the production of conical cheeses, about a further orthogonal to the pivot axis 12 arranged (not shown) axis to be pivotally mounted.
- the cheese 5 is visible during the winding process with its surface on a drive roller 9, which is connected to an electric motor drive 21, which in turn is connected via a control line 22 to the winding station computer 28 of the workstation 2. That is, the electromotive acted upon, defined controllable drive roller 9 rotates during the winding operation, the cheese 5 via frictional engagement.
- variable speed drive means which is preferably designed as electronically commutated DC motor and arranged directly on the creel 8 or integrated into the creel 8.
- the cross-wound bobbin 5 during the winding process on a non-driven support or pressure roller and takes these frictionally with.
- a Fadenchangier worn 10 is provided for traversing the thread 16 during the winding process.
- This in the FIG. 1 only indicated schematically and in Fig. 2 according to the invention consists essentially of a, in a linear guide 18 slidably guided, parallel to the surface 17 of the cheese 5 slidably mounted yarn guide 13, a finite connecting means 20 and an electromechanical drive 14.
- a lever 29 is fixed to the motor shaft 30 of the drive 14, which is connected via a control line 15 to the winding station computer 28 of the job 2.
- a tension and shear-resistant, flexible, finite connection means 20 for example, a thin steel strip, connected, the end carries a yarn guide 13.
- the connecting means 20 is supported in the region of the lever 29, for example on a guide slot 23 and slides in the traversing region B in the linear guide 18th That is, with appropriate control of the reversible electric motor single drive 14, for example, a stepper motor, the lever 29 oscillates between two adjustable end positions with a predeterminable frequency back and forth.
- About the tension and pressure-resistant connection means 20 of the yarn guide 13 is within the by the end positions of the Lever 29 predeterminable traversing range B traversed in the immediate vicinity of the points of emergence of the thread 16 on the surface of the cheese or the nip and ensures that the thread 16 is wound with constant crossing angle and short drag length on the cheese 5.
- the finite, flexible connecting means 20 is advantageously made of a material which has a good relationship between strength and mass. That is, the connecting means 20 is for example made of a composite material, preferably a fiber-reinforced plastic. Alternatively, however, a thin steel strip can also be used as connecting means 20.
- the connecting means 20 in a preferred embodiment, also has a profiling, by which in particular the shear stiffness of the connecting means 20 is significantly increased.
- the cross-sectional profile may for example be saddle roof-shaped, arcuate or wavy.
- cross-sectional profile of the connecting means should not be expressly limited to the above-described cross-sectional shapes, but should also include other known cross-sectional shapes that are suitable for increasing the shear stiffness of the connecting means.
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Description
Die Erfindung betrifft eine Fadenchangiervorrichtung für eine Spuleinrichtung einer Kreuzspulen herstellenden Textilmaschine mit den Merkmalen des Oberbegriffes des Anspruches 1.The invention relates to a Fadenchangiervorrichtung for a winding device of a cheese-producing textile machine with the features of the preamble of
Im Zusammenhang mit Kreuzspulen herstellenden Textilmaschinen ist es bekannt, dass es zur Herstellung einer Kreuzspule zum einen notwendig ist, die Spule in Rotation zu versetzen und zum anderen den auf die rotierende Spule auflaufenden Faden längs der Spulenoberfläche zu traversieren.
Zur Erzeugung einer solchen Traversierbewegung des auflaufenden Fadens sind dabei verschiedene Fadenchangiereinrichtungen bekannt, die in der Patentliteratur auch ausführlich beschrieben werden.In connection with textile machines producing cross-wound bobbins, it is known that, in order to produce a cross-wound bobbin, it is firstly necessary to set the bobbin in rotation and, secondly, to traverse the thread running on the rotating bobbin along the bobbin surface.
To produce such a traversing movement of the running thread, different thread-switching devices are known, which are also described in detail in the patent literature.
Sehr verbreitet sind beispielsweise sogenannte Fadenführungstrommeln, die bei schnell laufenden Spulmaschinen neben der Fadenchangierung gleichzeitig auch den Umfangsantrieb für die Kreuzspule bewirken.
Mit derartigen Einrichtungen, die zum Beispiel in der
Das heißt Spulen, bei denen das Windungsverhältnis im Laufe der Spulenreise mit zunehmenden Spulendurchmesser kleiner wird.
Da bei solchen Fadenführungstrommeln außerdem, unabhängig vom Spulendurchmesser, immer ein gleicher Fadenverlegewinkel gegeben ist, kommt es bei bestimmten Windungsverhältnissen, wenn keine besonderen Maßnahmen ergriffen werden, zu sogenannten Wicklungsbildern.
Da solche Wicklungsbilder beim späteren Abspulen zu erheblichen Problemen führen würden, sind bereits eine Vielzahl von speziellen Bildstörverfahren entwickelt worden.Very common are, for example, so-called thread guide drums, which at the same time cause the circumferential drive for the cross-wound bobbin in fast-running winding machines in addition to the Fadenchangierung.
With such facilities, for example in the
That is, coils in which the turns ratio becomes smaller in the course of the coil travel with increasing coil diameter.
Since with such thread guide drums also, regardless of the bobbin diameter, always a same threading angle is given, it comes at certain Windungsverhältnissen, if no special measures are taken, to so-called winding pictures.
Since such winding images would cause considerable problems during subsequent unwinding, a large number of special image disturbing processes have already been developed.
Um Spulen mit einem vorgebbaren Wicklungsbild, zum Beispiel einer Präzisions- oder Stufenpräzisionswicklung, erstellen zu können, muss während der Spulenreise ein konstantes oder zumindest zeitweise konstantes Verhältnis zwischen der Spulendrehzahl und der Geschwindigkeit der Fadenchangierung eingehalten werden.
Zur Erzeugung derartiger Spulen ist es daher notwendig, den Antrieb der Spule vom Antrieb des Changierfadenführers zu trennen.In order to create coils with a predeterminable winding pattern, for example a precision or step precision winding, a constant or at least temporarily constant ratio between the reel speed and the speed of the thread switching must be maintained during the reel travel.
To produce such coils, it is therefore necessary to separate the drive of the coil from the drive of the traversing yarn guide.
Spulvorrichtungen, bei denen der Antrieb der Spule vom Antrieb der Fadenchangiereinrichtung getrennt ist, sind zum Beispiel in der
Diese bekannten Spulvorrichtungen weisen jeweils eine einzelmotorisch beaufschlagte Treibwalze sowie eine separate Fadenchangiereinrichtung auf, die über einen Fadenverlegearm verfügt.
Der Antrieb dieses sogenannten Fingerfadenführers erfolgt dabei über einen elektromotorischen Einzelantrieb, der in den Extrema des Schwenkbereiches mit Energiespeichern, beispielsweise einer Magnetfeder, ausgestattet ist.
Durch Optimierung zum Beispiel der Form des Fadenverlegearmes konnte die Massenträgheit dieser Fadenchangiersysteme minimiert werden, so dass mit solchen Fadenchangiersystemen hohe Changierfrequenzen realisierbar sind.Winding devices in which the drive of the spool is separated from the drive of the Fadenchangiereinrichtung are, for example in the
These known winding devices each have a drive roller acted upon by a single motor and a separate thread-changing device which has a thread-laying arm.
The drive of this so-called finger thread guide takes place via an electric motor single drive, which is in the extremes of the pivoting range with energy storage, such as a magnetic spring equipped.
By optimizing, for example, the shape of the thread-laying arm, the mass inertia of these thread-passing systems could be minimized, so that high traversing frequencies can be achieved with such thread-changing systems.
Bei diesen Fadenchangiersystemen beschreibt der fadenführende Teil des Fadenverlegearmes, der nachstehend kurz als Fadenführer bezeichnet wird, allerdings eine kreisförmige Bahn, während der auflaufende Faden zwischen Treibwalze und Spulenkörper auf einer Geraden abgelegt werden muss.
Aufgrund dieser Kreisbahn des Fadenführers ist es bei diesen Fadenchangiereinrichtungen nicht möglich, den Fadenführer nahe an den Auflaufstellen des Fadens auf die Spule zu positionieren.
Das heißt, zwischen dem Fadenführer und der eigentlichen Auflaufstelle auf der Spule liegt eine relativ große Distanz, die außerdem vom Durchmesser der Spule abhängig ist.
In der Praxis bedeutet dies, je größer diese auch als Schlepplänge bezeichnete Distanz wird, um so mehr eilt der Faden dem Fadenführer hinterher und um so größer wird die absolute Hubdifferenz zwischen der Changierbreite des Fadenführers und der Verlegebreite des Fadens.In these Fadenchangiersystemen describes the thread-leading part of the thread laying arm, which is hereinafter referred to as a thread guide, but a circular path, while the incoming thread between the drive roller and bobbin must be placed on a straight line.
Because of this circular path of the thread guide, it is not possible with these thread switching devices to position the thread guide close to the points of contact of the thread on the spool.
That is, between the yarn guide and the actual Auflaufstelle on the spool is a relatively large distance, which is also dependent on the diameter of the coil.
In practice, this means, the greater this distance, which is also referred to as the towing length, the more the thread trails behind the thread guide and the greater the absolute difference in stroke between the traverse width of the thread guide and the laying width of the thread.
Zur Vermeidung derartiger Schleppfehler sind bereits Spuleinrichtungen mit Fadenverlegesystemen vorgeschlagen worden, bei denen ein Fadenführer unmittelbar längs der Spulenoberfläche changiert wird.
Eine Spuleinrichtung mit einem separaten Antrieb für die Spulenrotation sowie einer Fadenchangierung, die einen in der Nähe der Spulenoberfläche changierenden Fadenführer aufweist, ist beispielsweise in der
Bei dieser bekannten Spuleinrichtung wird die Spule mittels einer angetriebenen Stützwalze über Reibschluss rotiert.
Die Fadenchangierung erfolgt über einen einzelmotorisch angetriebenen Riemenfadenführer.
Das heißt, ein in einer Linearführung gleitender Fadenführer ist über ein Endloszugmittel, das über seitliche Umlenkrollen geführt ist, an einen mikroprozessorgesteuerten Schrittmotor angeschlossen. Der Fadenführer gleitet dabei parallel zur Kreuzspulenoberfläche hin und her und zwar möglichst nahe an der Spulenoberfläche.To avoid such lag errors winding devices have already been proposed with thread laying systems in which a yarn guide is immediately changed along the coil surface.
A winding device with a separate drive for the bobbin rotation and a Fadenchangierung having an iridescent in the vicinity of the bobbin surface yarn guide is, for example, in
In this known winding device, the coil is rotated by means of a driven support roller via frictional engagement.
The Fadenchangierung via a single motor driven belt guide.
That is, a sliding in a linear guide yarn guide is via a continuous traction means that via lateral pulleys is guided, connected to a microprocessor-controlled stepper motor. The yarn guide slides back and forth parallel to the cheeses surface as close as possible to the coil surface.
Nachteilig bei einer solchen Spuleinrichtung ist allerdings, dass solche Fadenchangiersysteme eine recht hohe Massenträgheit aufweisen.
Das heißt, bei solchen Systemen müssen ständig ein verhältnismäßig langes und entsprechend schweres Endloszugmittel, zwei Umlenkrollen sowie der Bandantrieb selbst wechselweise beschleunigt und wieder abgebremst werden.A disadvantage of such a winding device, however, is that such Fadenchangiersysteme have a fairly high inertia.
That is, in such systems constantly a relatively long and correspondingly heavy endless traction means, two pulleys and the belt drive itself must be alternately accelerated and braked again.
Des Weiteren sind durch die
Die Fadenführerstange ist dabei endseitig mit einer Zahnstange ausgestattet, deren Verzahnung mit dem Ritzel eines reversierbaren Servomotors korrespondiert.
Die Bewegung des von einem Mikrorechner gesteuerten Servomotors wird über die maschinenlange Fadenführerstange in eine Hin- und Herbewegung der zahlreichen Changierfadenführer umgesetzt.Furthermore, by the
The yarn guide rod is end equipped with a rack whose teeth correspond to the pinion of a reversible servomotor.
The movement of the controlled by a microcomputer servo motor is implemented via the machine-length thread guide rod in a reciprocating motion of the numerous traversing yarn guide.
Die
Die Fadenführerstange weist entweder, wie vorstehend bereits beschrieben, endseitig eine Zahnstange auf, oder die Fadenführerstange ist über eine Klemmeinrichtung an einen Endloszahnriemen angeschlossen.
Der Endloszahnriemen läuft in diesem Fall über das Antriebsritzel eines Elektromotors sowie über ein ebenfalls verzahntes Umlenkrad.The
The thread guide rod has either, as already described above, at the end a rack, or the thread guide rod is connected via a clamping device to a continuous toothed belt.
In this case, the endless toothed belt runs over the drive pinion of an electric motor and via a likewise toothed deflection wheel.
Die Fadenchangiereinrichtungen gemäß
Ausgehend von Fadenchangiervorrichtungen der vorstehend beschriebenen Gattung, liegt der Erfindung die Aufgabe zugrunde, eine Fadenchangiervorrichtung zu entwickeln, die die Vorteile der bekannten Fadenchangiervorrichtungen in sich vereinigt, ohne jedoch deren Nachteile aufzuweisen.Starting from Fadenchangiervorrichtungen the type described above, the invention has the object to develop a Fadenchangiervorrichtung that combines the advantages of the known Fadenchangiervorrichtungen in, but without having their disadvantages.
Diese Aufgabe wird erfindungsgemäß durch eine Fadenchangiervorrichtung gelöst, die die Merkmale des Anspruches 1 aufweist.This object is achieved by a Fadenchangiervorrichtung having the features of
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
Die erfindungsgemäße Fadenchangiereinrichtung hat nicht nur den Vorteil, dass der changierende Fadenführer, wie bei einem Riemenfadenführer, in unmittelbarer Nähe der Kreuzspulenoberfläche und damit der Fadenauflaufstellen bzw. eines Klemmspaltes positioniert werden kann, was sich auf die Verkürzung der Schlepplänge des Fadens auswirkt, sondern die erfindungsgemäße Fadenchangiereinrichtung zeichnet sich auch durch günstige Massenträgheitsverhältnisse aus.
Das heißt, durch den Verzicht auf einen geschlossenen Riemen sowie entsprechende Umlenkscheiben gelingt es einerseits, die zu bewegende Masse der Fadenchangiereinrichtung zu minimieren, was sich positiv auf die erreichbare Changierfrequenz des Fadenführers auswirkt, und andererseits die Schleppfehler so klein zu halten, dass keine negative Folgen für den Aufbau der Kreuzspule auftreten.The thread-changing device according to the invention not only has the advantage that the iridescent thread guide, as in a belt thread guide, can be positioned in the immediate vicinity of the cheeses surface and thus the Fadenauflaufstellen or a nip, which affects the shortening of the drag length of the thread, but the invention Fadenchangiereinrichtung is also characterized by favorable inertia.
That is, by dispensing with a closed belt and corresponding deflecting succeeds on the one hand to minimize the mass to be moved Fadenchangiereinrichtung, which has a positive effect on the achievable traversing frequency of the yarn guide, and on the other hand to keep the following error so small that no negative consequences occur for the construction of the cheese.
In vorteilhafter Ausführungsform ist dabei, wie im Anspruch 2 beschrieben, vorgesehen, dass das endliche Verbindungsmittel als flexibles Band ausgebildet und im Changierbereich in einer stationären Linearführung abgestützt ist.
Gemäß Anspruch 3 ist das Verbindungsmittel außerhalb des Changierbereiches außerdem in einer stationären, kreisförmigen Führung abgestützt.
Derartige Führungsmittel verhindern zuverlässig, dass das Verbindungsmittel während des Spulbetriebes nach oben oder nach unten ausgeknickt werden kann.In an advantageous embodiment, it is provided, as described in
According to
Such guide means reliably prevent the connecting means from being able to be bent upwards or downwards during the winding operation.
Im Bereich des Mittelpunktes der kreisförmigen Führung ist der einzelmotorische Antrieb der Fadenchangiereinrichtung installiert.
Das heißt, die Motorwelle des Einzelantriebes rotiert um die Mittelachse der kreisförmigen Führung (Anspr.4) und treibt dabei über ein Anschlagmittel, an dem das endliche, flexible Verbindungsmittel festgelegt ist, den Fadenführer an.In the region of the center of the circular guide of the single motor drive the Fadenchangiereinrichtung is installed.
That is, the motor shaft of the single drive rotates about the central axis of the circular guide (Anspr.4) and drives it via a stop means on which the finite, flexible connecting means is fixed to the yarn guide.
Wie im Anspruch 5 dargelegt, ist in vorteilhafter Ausführungsform die stationäre Führung als Führungskulisse ausgebildet, in der das Verbindungsmittel während der Changierung des Fadenführers abgestützt ist.As set forth in
Der Anschluss des Verbindungsmittels an die Motorwelle des einzelmotorischen Antriebes erfolgt vorzugsweise, wie im Anspruch 6 ausgeführt, über einen Hebel, der drehfest an der Motorwelle befestigt ist.
Ein solcher beispielsweise aus faserverstärktem Kunststoff gefertigter Hebel weist nicht nur eine hohe Steifigkeit und Haltbarkeit auf sondern verfügt, bei entsprechender Ausbildung, auch über ein relativ niedriges Massenträgheitsmoment.
Das heißt, durch entsprechende Optimierung der Hebelform kann die zu bewegende Masse minimiert werden.The connection of the connecting means to the motor shaft of the single-motor drive is preferably carried out, as stated in
Such an example made of fiber reinforced plastic lever not only has a high rigidity and durability but has, with appropriate training, also has a relatively low moment of inertia.
That is, by optimizing the lever shape, the mass to be moved can be minimized.
Gemäß Anspruch 7 korrespondiert eine stationäre Führung mit einem beweglichen, kreis- oder teilkreisförmigen Bandträger, auf dem sich das Verbindungsmittel beim Zurückziehen ablegt. Das heißt, das Verbindungsmittel über einen beweglichen, kreis- oder teilkreisförmigen Bandträger mit der Motorwelle des Antriebes verbunden und wird durch eine stationäre Führung überfasst, die verhindert, dass das Verbindungsmittel beim Einleiten von Druckkräften nach oben ausweichen kann.In accordance with
Wie im Anspruch 8 dargelegt, ist das Verbindungsmittel vorzugsweise aus einem Material gefertigt, bei dem ein gutes Verhältnis zwischen Festigkeit und Masse gegeben ist.
Das heißt, das Verbindungsmittel ist aus einem leichten, jedoch zug- und druckfestem Material gefertigt.
Eine solche Ausbildung gewährleistet, dass das Gewicht der zu bewegende Masse der Fadenchangiereinrichtung relativ gering gehalten wird, was sich positiv auf die erzielbare Changiergeschwindigkeit auswirkt.
Außerdem wird durch den Einsatz eines solchen Materials sichergestellt, dass ein eingestellter Fadenverlegebereich genau eingehalten, das heißt, eine präzise Fadenverlegung realisiert werden kann.As stated in
That is, the connecting means is made of a lightweight but tensile and pressure-resistant material.
Such a design ensures that the weight of the mass to be moved of the Fadenchangiereinrichtung relatively low is held, which has a positive effect on the achievable traversing speed.
In addition, it is ensured by the use of such a material that a set thread laying area exactly adhered to, that is, a precise thread laying can be realized.
In vorteilhafter Ausführungsform ist das endliche Verbindungsmittel der Fadenchangiereinrichtung, wie im Anspruch 9 beschrieben, aus einem Verbundwerkstoff, beispielsweise einem faserverstärktem Kunststoff gefertigt oder, wie im Anspruch 10 beschrieben, als Verbindungsmittel kommt ein dünnes Stahlband zum Einsatz.
In beiden Fällen erhält man ein verhältnismäßig kostengünstiges Verbindungsmittel, dessen Schubsteifigkeit dadurch weiter erhöht werden kann, dass das Verbindungsmittel, wie im Anspruch 11 dargelegt, eine Profilierung erhält.In an advantageous embodiment, the finite connecting means of the thread-switching device, as described in
In both cases, a relatively inexpensive connecting means, the shear stiffness can be further increased by the fact that the connecting means, as set forth in
Das heißt, das Verbindungsmittel weist ein Querschnittsprofil auf, das beispielsweise satteldachförmig (Anspr.12), bogenförmig (Anspr.13) oder auch wellenförmig (Anspr.14) ausgebildet sein kann.
Jede dieser vorstehend beschriebenen, lediglich als mögliche Ausführungsbeispiele angeführten Querschnittsprofilierungen führt zu einer deutlichen Erhöhung der Schubsteifigkeit des Verbindungsmittels, ohne dessen Flexibilität zu beeinträchtigen.That is, the connecting means has a cross-sectional profile, which may be formed, for example saddle roof-shaped (Anspr.12), arcuate (Anspr.13) or wave-like (Anspr.14).
Each of these cross-sectional profilings, described above as possible embodiments only, leads to a significant increase in the shear stiffness of the connecting means without impairing its flexibility.
Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles näher erläutert.The invention will be explained in more detail with reference to an embodiment shown in the drawings.
- Fig. 1Fig. 1
- schematisch eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine, mit einer erfindungsgemäßen Fadenchangiereinrichtung,1 schematically shows a workstation of a textile machine producing cross-wound bobbins, with a thread-changing device according to the invention,
- Fig. 2Fig. 2
- eine schematische, perspektivische Ansicht der erfindungsgemäßen Fadenchangiereinrichtung.a schematic, perspective view of the invention Fadenchangiereinrichtung.
In
Auf den Arbeitsstellen 2 derartiger Kreuzspulautomaten 1 werden, wie bekannt und daher nicht näher erläutert, die auf einer Ringspinnmaschine produzierten Spinnkopse 3 zu großvolumigen Kreuzspulen 5 umgespult.As is known and therefore not explained in greater detail, the
Die Kreuzspulen 5 werden nach ihrer Fertigstellung mittels eines (nicht dargestellten) selbsttätig arbeitenden Serviceaggregates, vorzugsweise eines sogenannten Kreuzspulenwechslers, auf eine maschinenlange Kreuzspulentransporteinrichtung 7 übergeben und zu einer maschinenendseitig angeordneten Spulenverladestation oder dergleichen transportiert.The
Solche Kreuzspulautomaten 1 weisen in der Regel außerdem eine Logistikeinrichtung in Form eines Spulen- und Hülsentransportsystemes 6 auf. In diesem Spulen- und Hülsentransportsystem 6 laufen, auf Transporttellern 11, die Spinnkopse 3 beziehungsweise Leerhülsen um.
Von dem Spulen- und Hülsentransportsystem 6 sind in
Of the bobbin and
Die einzelnen Spulstellen verfügen außerdem, wie bekannt und daher nur angedeutet, über verschiedene Einrichtungen, die einen ordnungsgemäßen Betrieb derartiger Arbeitsstellen gewährleisten.
Eine dieser Einrichtungen ist beispielsweise die Spulvorrichtung 4. Die Spulvorrichtung 4 weist einen Spulenrahmen 8 auf, der um eine Schwenkachse 12 beweglich gelagert ist.
Der Spulenrahmen 8 kann dabei außerdem, zum Beispiel zur Fertigung von konischen Kreuzspulen, um eine weitere orthogonal zur Schwenkachse 12 angeordnete (nicht dargestellte) Achse schwenkbar gelagert sein.The individual winding units also have, as known and therefore only indicated, various facilities that ensure the proper operation of such jobs.
One of these devices is, for example, the winding
The
Wie insbesondere aus
Das heißt, die elektromotorisch beaufschlagbare, definiert ansteuerbare Antriebswalze 9 rotiert während des Spulbetriebes die Kreuzspule 5 über Reibschluss.As in particular from
That is, the electromotive acted upon, defined
In einer alternativen (nicht dargestellten) Ausführungsform erfolgt der Antrieb der Kreuzspule über eine drehzahlregelbare Antriebseinrichtung, die vorzugsweise als elektronisch kommutierbarer Gleichstrommotor ausgebildet und direkt am Spulenrahmen 8 angeordnet beziehungsweise in den Spulenrahmen 8 integriert ist.In an alternative (not shown) embodiment, the drive of the cross-wound bobbin via a variable speed drive means, which is preferably designed as electronically commutated DC motor and arranged directly on the
In diesem Fall liegt die Kreuzspule 5 während des Spulprozesses auf einer antriebslosen Stütz- oder Andrückrolle auf und nimmt diese reibschlüssig mit.In this case, the
Zur Changierung des Fadens 16 während des Spulprozesses ist eine Fadenchangiereinrichtung 10 vorgesehen.
Diese in der
Wie aus
An diesen Hebel 29 ist ein zug- und schubfestes, flexibles, endliches Verbindungsmittel 20, beispielsweise ein dünnes Stahlband, angeschlossen, das endseitig einen Fadenführer 13 trägt.
Das Verbindungsmittel 20 ist dabei im Bereich des Hebels 29 beispielsweise auf einer Führungskulisse 23 abgestützt und gleitet im Changierbereich B in der Linearführung 18.
Das heißt, bei entsprechender Ansteuerung des reversiblen elektromotorischen Einzelantriebes 14, beispielsweise eines Schrittmotors, schwingt der Hebel 29 zwischen zwei einstellbaren Endstellungen mit vorgebbarer Frequenz hin und her.
Über das zug- und druckfeste Verbindungsmittel 20 wird der Fadenführer 13 innerhalb des durch die Endstellungen des Hebels 29 vorgebbaren Changierbereiches B in unmittelbarer Nähe der Auflaufpunkte des Fadens 16 auf die Oberfläche der Kreuzspule bzw. des Klemmspaltes traversiert und sorgt dafür, dass der Faden 16 mit gleichbleibendem Kreuzungswinkel und kurzer Schlepplänge auf die Kreuzspule 5 aufgewickelt wird.For traversing the
This in the
How out
At this
The connecting means 20 is supported in the region of the
That is, with appropriate control of the reversible electric motor
About the tension and pressure-resistant connection means 20 of the
Das endliche, flexible Verbindungsmittel 20 ist dabei vorteilhafterweise aus einem Material gefertigt, das ein gutes Verhältnis zwischen Festigkeit und Masse aufweist.
Das heißt, das Verbindungsmittel 20 ist beispielsweise aus einem Verbundwerkstoff, vorzugsweise einem faserverstärkten Kunststoff, gefertigt.
Alternativ kann als Verbindungsmittel 20 allerdings auch ein dünnes Stahlband zum Einsatz kommen.The finite, flexible connecting
That is, the connecting
Alternatively, however, a thin steel strip can also be used as connecting
Das Verbindungsmittel 20 weist in bevorzugter Ausführungsform außerdem eine Profilierung auf, durch die die insbesondere die Schubsteifigkeit des Verbindungsmittels 20 deutlich erhöht wird. Das Querschnittsprofil kann beispielsweise satteldachförmig, bogenförmig oder wellenförmig ausgebildet sein.The connecting means 20, in a preferred embodiment, also has a profiling, by which in particular the shear stiffness of the connecting
Das Querschnittsprofil des Verbindungsmittels soll dabei allerdings ausdrücklich nicht auf die vorbeschriebenen Querschnittsformen beschränkt werden, sondern soll auch weitere bekannte Querschnittsformen umfassen, die zur Steigerung der Schubsteifigkeit des Verbindungsmittels geeignet sind.However, the cross-sectional profile of the connecting means should not be expressly limited to the above-described cross-sectional shapes, but should also include other known cross-sectional shapes that are suitable for increasing the shear stiffness of the connecting means.
Claims (14)
- Thread traversing device for a winding mechanism of a textile machine producing cross-wound bobbins, comprising a thread guide which can be displaced parallel to the surface of the wind-on bobbin and can be acted upon by a reciprocating, electromotive single drive which can be controlled in a defined manner, characterised in that the thread guide (13) is connected to the electromotive single drive (14) via a finite, flexible connection means (20), the connection means (20) being configured in such a way that it can transmit both tensile and pressure forces.
- Thread traversing device according to claim 1, characterised in that the finite connection means is configured as a flexible band (20), which is supported in the traversing region (B) by means of a stationary linear guide (18).
- Thread traversing device according to claim 1, characterised in that the connection means (20) outside the traversing region (B) is supported by means of a stationary, circular guide (23).
- Thread traversing device according to claim 3, characterised in that the electromotive single drive (14) of the thread traversing mechanism (10) is arranged in the region of the centre point of the circular guide (23) in such a way that the motor shaft (30) rotates about the centre axis of the guide (23).
- Thread traversing device according to claim 3, characterised in that the stationary guide is configured as a guide link (23) to support the connection means (20) along the guide link (23).
- Thread traversing device according to claim 4, characterised in that the connection means (20) is coupled to the motor shaft (30) of the electromotive single drive (14) via a lever (29).
- Thread traversing device according to claim 3, characterised in that a stationary guide corresponds to a circular or pitch circle-shaped band carrier, on which the connection means (20) is deposited on withdrawal.
- Thread traversing device according to claim 1, characterised in that the connection means (20) is manufactured from a material, in which there is a good ratio between strength and mass.
- Thread traversing device according to claim 5, characterised in that the connection means (20) is manufactured from a composite material, preferably a fibre-reinforced plastic material.
- Thread traversing device according to claim 5, characterised in that a thin steel band (20) is used as the connection means.
- Thread traversing device according to claim 5, characterised in that the connection means (20) has profiling.
- Thread traversing device according to claim 8, characterised in that the connection means (20) has a ridge roof-shaped cross-sectional profile.
- Thread traversing device according to claim 8, characterised in that the connection means (20) has an arcuate cross-sectional profile.
- Thread traversing device according to claim 8, characterised in that the connection means (20) has an undulating cross-sectional profile.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510012014 DE102005012014A1 (en) | 2005-03-16 | 2005-03-16 | Fadenchangiervorrichtung for a winding device of a cheese-producing textile machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1702876A1 EP1702876A1 (en) | 2006-09-20 |
EP1702876B1 true EP1702876B1 (en) | 2008-09-03 |
Family
ID=36501916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060001584 Not-in-force EP1702876B1 (en) | 2005-03-16 | 2006-01-26 | Yarn traversing device for a winding device of a textile machine producing cross-wound bobbins |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1702876B1 (en) |
JP (1) | JP2006256866A (en) |
CN (1) | CN1833973B (en) |
DE (2) | DE102005012014A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008015908A1 (en) | 2008-03-27 | 2009-10-01 | Oerlikon Textile Gmbh & Co. Kg | Method for winding thread from cylindrical bobbin tube to cross-wound bobbin in textile machine, involves adjusting additional conicity at bobbin frame with asymmetric thread order by changing conicity factor |
DE102012023975B4 (en) | 2012-12-07 | 2024-02-15 | Saurer Spinning Solutions Gmbh & Co. Kg | Winding device for a workstation of a textile machine producing cross-wound bobbins |
CN111394900B (en) * | 2020-04-13 | 2020-11-06 | 佛山市合昇纺织实业有限公司 | Be used for fabrics steam drying equipment |
CN112011865A (en) * | 2020-09-09 | 2020-12-01 | 广州觉维科技有限公司 | Yarn guide traversing device of spinning frame |
Family Cites Families (23)
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GB885473A (en) * | 1959-03-05 | 1961-12-28 | Klinger Mfg Co Ltd | Improvements in or relating to multiple bobbin winding apparatus for yarn and the like |
US3604644A (en) * | 1969-09-22 | 1971-09-14 | Alamance Ind Inc | Winding control means |
JPS54106662A (en) * | 1978-02-07 | 1979-08-21 | Agehara Orimono Kougiyou Kk | Double fabric making loom |
JPS56134385U (en) * | 1980-03-10 | 1981-10-12 | ||
JPS56134231A (en) * | 1980-03-24 | 1981-10-20 | Yoshiko Agehara | Loom for weaving upper and lower layers |
DE3434027A1 (en) * | 1984-09-15 | 1986-03-27 | W. Schlafhorst & Co, 4050 Mönchengladbach | Sliding rod for yarn-guide elements of a textile machine producing cross-wound bobbins |
EP0302461B1 (en) * | 1987-08-04 | 1993-12-22 | Rieter Ingolstadt Spinnereimaschinenbau AG | Apparatus for cross-winding a thread onto a spool |
DE3725812A1 (en) * | 1987-08-04 | 1989-02-16 | Schubert & Salzer Maschinen | Placing yarn on cross-wound package |
DE3734478A1 (en) * | 1987-10-12 | 1989-04-27 | Schubert & Salzer Maschinen | METHOD AND DEVICE FOR GUIDING, HOLDING AND SEPARATING A THREAD WHILE REEL CHANGING |
CH681149A5 (en) * | 1990-06-20 | 1993-01-29 | Ssm Ag | |
JPH0665838A (en) * | 1992-08-20 | 1994-03-08 | San M Shokai:Kk | Carrier band driving unit in rapier loom |
DE4237860A1 (en) * | 1992-11-10 | 1994-05-11 | Schlafhorst & Co W | Reciprocating yarn guide drum with smooth passage in both directions - has structured intersecting grooves with different pitch angles |
JPH08134748A (en) * | 1994-11-04 | 1996-05-28 | Toyota Autom Loom Works Ltd | Weft-inserting means in rapier loom |
DE19623771A1 (en) * | 1996-06-14 | 1997-12-18 | Schaeffler Waelzlager Kg | Reciprocating yarn guide |
EP0829443A1 (en) * | 1996-09-16 | 1998-03-18 | Ssm Schärer Schweiter Mettler Ag | Apparatus for winding yarn on a bobbin |
IT1293506B1 (en) * | 1997-07-30 | 1999-03-01 | Nuovo Pignone Spa | MODULAR DEVICE FOR THE PRESENTATION OF WEFT YARNS IN TEXTILE FRAMES WITHOUT SHUTTLE |
DE19858548A1 (en) * | 1998-12-18 | 2000-06-21 | Schlafhorst & Co W | Electromechanical drive for the reciprocating yarn guide for winding cross wound bobbins has a structured air gap with magnetic field lines through it acting on a coil at the yarn guide |
DE10019951A1 (en) * | 2000-04-20 | 2001-10-31 | Sig Positec Automation Gmbh | Device for winding a thread on a bobbin |
JP3463667B2 (en) * | 2000-11-08 | 2003-11-05 | 村田機械株式会社 | Traverse device |
NZ515347A (en) * | 2001-11-08 | 2004-06-25 | Ronald Malcolm Bond Sanderson | An automated hole punching device for punching holes in a pipe |
DE10157303A1 (en) * | 2001-11-23 | 2003-06-26 | Inst Textil & Faserforschung | spooling device |
ITMI20020499A1 (en) * | 2002-03-08 | 2003-09-08 | Savio Macchine Tessili Spa | THREAD GUIDE DEVICE FOR THE COLLECTION OF YARNS IN THE SPOOLS, PARTICULARLY FOR OPEN-END THREADERS |
JP2004338843A (en) * | 2003-05-14 | 2004-12-02 | Murata Mach Ltd | Traverse device |
-
2005
- 2005-03-16 DE DE200510012014 patent/DE102005012014A1/en not_active Withdrawn
-
2006
- 2006-01-26 EP EP20060001584 patent/EP1702876B1/en not_active Not-in-force
- 2006-01-26 DE DE200650001463 patent/DE502006001463D1/en active Active
- 2006-03-02 CN CN2006100586136A patent/CN1833973B/en not_active Expired - Fee Related
- 2006-03-16 JP JP2006072537A patent/JP2006256866A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE502006001463D1 (en) | 2008-10-16 |
JP2006256866A (en) | 2006-09-28 |
CN1833973B (en) | 2011-02-16 |
DE102005012014A1 (en) | 2006-09-28 |
EP1702876A1 (en) | 2006-09-20 |
CN1833973A (en) | 2006-09-20 |
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