EP1809798B1 - Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation - Google Patents

Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation Download PDF

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Publication number
EP1809798B1
EP1809798B1 EP05817500A EP05817500A EP1809798B1 EP 1809798 B1 EP1809798 B1 EP 1809798B1 EP 05817500 A EP05817500 A EP 05817500A EP 05817500 A EP05817500 A EP 05817500A EP 1809798 B1 EP1809798 B1 EP 1809798B1
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EP
European Patent Office
Prior art keywords
thread
threads
winding body
winding
rotation
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EP05817500A
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German (de)
French (fr)
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EP1809798A1 (en
Inventor
Richard Storchenegger
Lukas Kunz
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Karl Mayer Textilmaschinen AG
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Karl Mayer Textilmaschinen AG
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Priority claimed from EP04026668A external-priority patent/EP1657329A1/en
Application filed by Karl Mayer Textilmaschinen AG filed Critical Karl Mayer Textilmaschinen AG
Priority to EP05817500A priority Critical patent/EP1809798B1/en
Publication of EP1809798A1 publication Critical patent/EP1809798A1/en
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02HWARPING, BEAMING OR LEASING
    • D02H13/00Details of machines of the preceding groups
    • D02H13/16Reeds, combs, or other devices for determining the spacing of threads
    • D02H13/18Reeds, combs, or other devices for determining the spacing of threads with adjustable spacing
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02HWARPING, BEAMING OR LEASING
    • D02H3/00Warping machines
    • D02H3/02Sectional warpers
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02HWARPING, BEAMING OR LEASING
    • D02H9/00Leasing

Definitions

  • the invention relates to a method and a device for winding a strip consisting of a plurality of parallel threads onto a winding body rotating about a rotation axis.
  • Such methods and devices are used, for example, in textile technology in weaving preparation for warping the warp. But winding processes are also in other areas such. required in the wire industry.
  • the present invention is not limited to textile applications and the term "threads" covers any elongate, windable element, regardless of the cross-sectional shape or the material.
  • EP 1 460 156 A2 shows a cone warping machine and a method of making a warp on a cone warping machine.
  • the threads are guided by a reed.
  • This reed is displaced during winding in the axial direction to produce a conical end face of the winding, wherein the cone-shaped end face should have the same angle of inclination as the cone of the Warping drum.
  • the order of the threads is determined by the reed.
  • the reed has a plurality of lanes, with each lane passing a single thread. There are not provided multiple thread guide, so that the order of the individual threads during winding can not be changed easily.
  • US Pat. No. 3,520,493 shows a guide for a moving textile band.
  • the individual threads of this band are guided by eyelets, which are arranged on a bar.
  • the eyelets are formed by U-shaped hooks, which are fastened with a leg to a fastening. The other leg is shorter, so that there is an opening through which the thread can be inserted into the eyelet.
  • the individual eyelets can be fixed lengthwise on the bar in different positions. After the threads have passed through the guide, they are passed through a reed and a comb before they come to rest on the circumference of the warping drum.
  • the threads are already brought to the warp blade on the correct thread density and bandwidth. This arrangement, apparently, complicates any modification of the tape.
  • These disadvantages can be eliminated if the winding position of each individual thread on the winding body is determined with a thread guide associated with this thread.
  • the thread guides thus replace the sharpening blade, but in contrast to this they can approach arbitrary positions.
  • the yarn guides are therefore preferably adjustable in the direction of the axis of rotation from a rest position to a working position. Thus, the yarn guide can be used alternately and so change the composition of the tape to be wound arbitrarily.
  • one of a plurality of threads of preferably different genus existing thread group is introduced to a arranged in the winding region of the bobbin thread selection, wherein individual threads are withdrawn as work threads on the thread guides and form the band, while the remaining threads as stock threads on the thread selection means one clamping point are held clamped.
  • the working threads of the wound strip are separated and held clamped on the thread selection device, and if in at least one second winding sequence the working threads of the strip have a different composition than during the first winding sequence.
  • the composition of the band can also be the same at several adjacent coils.
  • a taking place at full bobbin rotation yarn transfer can be achieved particularly advantageous if the selected work threads are first stretched by the thread guide in a driving position on the winding body in which they are stretched between the yarn guides and a nip approximately parallel to the axis of rotation and that in Course of a bobbin rotation all working threads in the driving position of one of the winding body associated inner Fadenmit quietly sequentially detected and then separated from the nip.
  • the thread guides can be driven with their work threads in the tape winding position on bandwidth. This flying transfer of the clamped stock threads as work threads on the bobbin can be done at high speeds and within a single bobbin rotation.
  • the thread selection device for the conical winding of the strip is displaced on a shear table in the direction of the axis of rotation or at right angles thereto.
  • the warping drum forms the bobbin.
  • Such a reticle later facilitates further processing, for example in the weaving mill. Similar to the flying takeover of the work threads on the winding body is thus also the shedding, especially the crosshairs and the introduction of the sub-element at full operating speed. In certain cases, it would be conceivable to use this type of shedding in conventional methods in which not every single thread is deposited over an individual thread guide.
  • a particularly advantageous shedding arises when for striking the crosshairs at least two arranged on the winding body in relation to the circumferential direction shedding combs are moved from an outer circumference about tangential rest position in a shedding position, in which the combs projecting radially from the outer periphery and that in the course of a Winding body rotation, the threads are preferably placed alternately on the combs and between the combs.
  • the shedding combs can be relatively easy with a Partial rotation are moved to their working position.
  • this method can also be used for sizing. This is not about a cross formation, but about a separation of the threads.
  • For the sizing division a plurality of shedding combs arranged one behind the other are formed such that a shed is formed in each case only for individual threads. If additionally a sizing division is provided, this is preferably done before the crosshair formation.
  • the thread guides are first moved to a read-in position for depositing the threads on the shedding combs. In this picking position, the threads are less close together than at the later tape winding position.
  • a partial rod is first introduced into an open compartment, after which the compartmentalizing comb forming the compartment in question is moved back into the rest position and finally the threads divided by the partial staff are stripped off onto a partial element, preferably a partial cord or a partial band.
  • the sub-string or sub-band is thus not actually fed into the subject, but the threads are the sub-string or the sub-band passed.
  • a crosshairs be beaten for shedding, wherein in the open compartment a sub-element is introduced and the shedding preferably with analog Means, ie with sumanelammen done, as at the beginning of the tape roll.
  • a plurality of tape reels with the same or different thread repeat can be wound on each other or side by side on the winding body, wherein the winding body rotates continuously.
  • a thread guide and a clamping point are assigned to a thread guide module having a gear for adjusting the thread guide and a movable clamping-cutting unit with a clamping point for clamping the thread and a cutting device for separating the thread.
  • the cutting and clamping of the threads takes place in this way virtually the same location, whereby the flying thread change is made possible with rotating winding body.
  • the gear of the yarn guide module is preferably a traction mechanism with a traction means, in particular with a toothed belt on which the yarn guide is arranged such that it is movable on a yarn guide path approximately parallel to the axis of rotation of the winding body.
  • the traction mechanism can be moved very quickly and precisely, for example with a stepper motor. Conceivable, however, would be other types of transmission, such as a push rod, at the end of the yarn guide is arranged.
  • the clamping-cutting unit can be mounted so movable about at right angles to the yarn guide distance, that the nip is displaceable relative to the winding body circumference between a radially outer rest position and a radially inner yarn transfer position.
  • This lifting movement can be made for example via a pneumatic pressure cylinder.
  • a generally designated 1 warping machine essentially of a Warping drum 2 as a bobbin with a cylindrical portion 3 and a conical section 4.
  • the warping drum is rotatably mounted about a bobbin or drum axis 6 in a frame 5.
  • a Schulrtisch 7 rests on a Schrtisch entry 11 and is displaceable on this parallel to the axis of rotation 6 in the direction of arrow c.
  • a thread selection device 8 is also displaceable in the direction of arrow d relative to the warping drum and at right angles to its axis of rotation.
  • the yarn selection device curves over a segment of, for example, 90 ° around the surface of the warping drum 2.
  • a plurality of yarn guide modules 20, shown only schematically here, are arranged on the yarn selection device in the circumferential direction. From a creel, not shown here, or from another thread dispenser device, a group of threads 9 is withdrawn, with each individual thread being guided to one of the thread guide modules 20. Suitable devices, such as Yarn brakes ensure that the threads always stay taut.
  • an inner ring 12 is arranged on the cylindrical portion 3 of the warping drum 2, which carries the means for crosshairs or sizing and which rotates together with the drum.
  • the inner ring 12 is guided in drum longitudinal grooves 13 and can be moved along the same as the shear table 7 in the direction of arrow c.
  • an outer ring 14 For shedding, especially for crosshairs at the end of a coil, an outer ring 14 is provided which surrounds the drum shell concentrically and synchronously with the drum is drivable.
  • the outer ring is mounted in an outer ring bearing 15, which in turn is supported on an outer ring slide 16 and linearly displaceable in this direction in the arrow direction c.
  • the outer ring 14 carries the funds required for crosshairs.
  • control cabinet 10 the components are housed to control the warping machine.
  • FIG. 3 schematically shows the totality of the mechanical functional groups on the warper with the associated drive motors, namely essentially the warping drum 2, the frame 5, the shear table 7 and the Fadenwherel Anlagen 8.
  • the inner ring 12 and the outer ring 14 with the respective actuating means.
  • both inner ring 12 and outer ring 14 of the warping drum 2 detached elements, but are synchronously driven in rotation with the warping drum 2.
  • FIG. 4a shows a partial perspective view of a yarn selection device with thread guide modules of a warping machine.
  • the thread selection device 8 has a plurality of thread guide modules, wherein the modules 20 ', 20 ", 20"' and 20 ' v are arranged successively in the circumferential direction.
  • FIG. 3 Furthermore, an inner ring associated sumorekamm 40 recognizable, the configuration and operation will be described later in detail.
  • a yarn guide 21 can be moved or positioned along the drum axis in the direction of arrow e. The movement of the thread guide 21 can take place with a traction mechanism 33. Of course, other means for moving the yarn guide 21 are conceivable, such as pneumatic or hydraulic systems.
  • the module has a holding plate 32, to which the gear unit 33 and a clamping cutting unit 22 are attached.
  • the gear unit 33 has a traction mechanism with a toothed belt 29.
  • the toothed belt can be driven via a thread guide drive 34, which is preferably a stepper motor.
  • a yarn guide 21 is attached, which can travel in the direction of arrow e a thread guide section FS.
  • the clamping cutting unit 22 is arranged on a lifting carriage 26 which is mounted displaceably in a guide 35.
  • the drive means is a pneumatic pressure medium cylinder 28.
  • the clamping-cutting unit has a Doppelhebearm 25 which is articulated on the lifting carriage 26 and the upper lever arm via a pneumatic pressure medium cylinder 27 can be activated.
  • the actual cutting device 24 is formed on the lower lever arm by a cutting edge.
  • a nip 23 which is also activated via the Doppelhebearm 25.
  • the supplied working thread or supply thread 18/19 is introduced via a thread guide tube 36 which opens on the side of the double lever arm in such a way over the nip 23, that the thread is on the thread guide section of the thread guide 21.
  • the thread guide has a notch or groove which prevents the thread from sliding away.
  • a thread in the in FIG. 5 shown starting position is clamped to a yarn guide module, it serves as a stock thread 19, which can be included at any time as a working thread in the warping process to form a band.
  • the yarn guide 21 is activated so that it covers a part of the yarn guide section FS and first occupies a thread take-up position FM.
  • the lifting carriage 26 is already in the in FIG. 5 illustrated lowered position.
  • the required for the achievement of thread take-up position FM thread supply is withdrawn via the yarn guide tube 36.
  • the rotational movement of the drum is tuned to the movement of the thread guide 21, that, immediately after reaching the thread take-up position FM, the inner thread follower 30 entrains this and any other working thread of the current roll.
  • each yarn guide 21a, 21b, 21c, etc. of sequentially following yarn guide modules is then moved so far in turn, that in each case alternately a working thread is placed on a comb end and between a comb end.
  • the lifting carriage 26 is driven at each yarn guide module 20 in the upper end position, so that the nip 23 can detect the withdrawn thread. Practically at the same time is the Cutting device 24 is activated, on the one hand frees the just-worked working thread 18 from the thread guide 21 and at the same time held back as a supply thread 19 at the nip in the ready position.
  • FIG. 12 the means for hitting a crosshair at the beginning of a coil on the inner ring 12 are arranged.
  • the situation shown corresponds approximately to that according to FIG. 9 , wherein adjacent threads are alternately read in successively arranged shedding combs 40a, 40b. With 30 again symbolically the inner Fadenmit counseling is indicated.
  • a crosshair 50 with an opened shed 51 in which a part element can be introduced, is evidently formed.
  • the sizing division can also take place in approximately the same way. In contrast to crosshair formation, a multiplicity of shedding combs arranged one behind the other must be provided for the sizing division.
  • the shedding combs are designed differently for sizing (see Figures 28a and 28b ).
  • FIGS. 13 and 14 Further details of a sumaneschs are from the FIGS. 13 and 14 seen.
  • the curved shedding comb 40 for example made of plastic material, is fastened to a rotatable comb shank 41. Slidable parallel to the comb shaft, a partial rod 43 is arranged. At the end of the extended comb shaft 41, a pincer-like sleeve holder 45 is provided which clampingly grips a partial cord sleeve 44.
  • the approximately cylindrical partial cord sleeve has a partial cord spindle 46, which is screwed centrally into the partial cord sleeve, so that an open annular gap 55 remains.
  • a suitable sub-string 49 is wound, which can be removed via the annular gap 55.
  • the Operaschnurhülse 44 has on the the end face of the partial rod 43 side facing via a connection element 47 to which the partial rod 43 and the sub-string sleeve 44 can be coupled.
  • the extended partial rod 43 thus captures the partial cord sleeve 44 fixed in the sleeve holder 45, which otherwise has approximately the same outer diameter as the partial rod. Subsequently, the sleeve holder 45 is opened, so that the entire peripheral region of the Partschnurhülse 44 is exposed. This makes it possible to strip the split thread assembly from the partial rod 43 to the withdrawn partial cord 49.
  • FIG. 15a Serves a thread scraper 48, the in FIG. 15a is shown and is displaceable in the direction against the Operaschnurhülse 44.
  • the FIGS. 15a / 15b show a shedding comb 40 in the ready position, that is with radially outwardly projecting comb ends 42.
  • the rod 43 is still pulled back, so according to FIG. 16 the sumorekamm can be wound.
  • the upper threads 53 are in the U-shaped ridge ends 42 and the lower threads 52 lie between the combs directly on the comb shaft 41.
  • the distance between the lower and the upper threads forms the open compartment 51.
  • the entire shedding comb or only a portion of it is wrapped.
  • the partial rod 43 is adjusted according to FIG. 17 extended and then the shedding comb 40 is rotated back into its radially inner rest position.
  • FIG. 18 This situation is in FIG. 18 shown.
  • the upper threads 53 now rest directly on the partial rod 43 and the lower threads 52 still rest on the comb shaft 41.
  • the partial rod 43 has detected the partial cord sleeve 44 end and the latter is freed from the sleeve holder 45.
  • the Fadenabstreifer 48 are advanced, which strips the lower and the upper threads 52/53 on the Operaschnurhülse 44 addition to the sub-string 49.
  • the thread wiper 48 moves back again and the shedding comb 40 remains in this waiting position FIG. 20 until he is turned off to a new shed education.
  • shedding at the end of a roll is done with similar means as at the beginning of the roll, ie also with shedding combs.
  • these shedding combs are assigned to the outer ring 14 whose diameter is dimensioned such that it is larger than the largest possible winding diameter.
  • a partial cord but a flexible partial ligament is introduced into the open thread compartment as a partial element, wherein the design of the compartmentalised part as well as the method steps are not the same as on the inside.
  • a curved shedding comb 40 with comb ends 42 is also arranged on a comb shank 41.
  • the flexible sub-band 54 with its angled end is disposed below the comb shaft 41 and can be advanced from the drum inside.
  • An upper partial rod 56 can also be extended parallel to the comb shaft 41.
  • a stripper sleeve 57 is provided which surrounds the entire rod 56.
  • the reading-in process is completed and the partial rod 56 is retracted into the open compartment 51.
  • the comb shaft 41 turned off, so that the upper threads 53 are on the sub-rod 56 and the lower threads 52 on the comb shaft 41.
  • the stripper sleeve 57 is extended, wherein the lower threads 52 fall on the sub-band 54.
  • the upper threads 53 are initially still on the end of the partial rod 56.
  • the end of the partial rod is aligned approximately with the angled end of the sub-band 54th
  • FIG. 27 A complete winding process will be described below with reference to the schematic representation FIG. 27 described.
  • the diagram shows from bottom to top ascending the individual winding sequences with a view at right angles to the drum.
  • the viewing direction is tangential to the warping drum 2 with the cylindrical section 3 and the conical section 4, and with an already completed winding 37.
  • the bottom two-thirds of the representation show a practical development of the drum shell in the various operating sequences, with the right Angular position of the drum is specified.
  • a winding process begins with the presentation phase 60, in which the yarn selection device 8, as described above, transfers the work threads 18 to the drum with the aid of the active yarn guides 21A and brings them into the correct relative position.
  • the diagram shows a total of 6 active yarn guides 21A. In the case of two passive thread guides 21P, the corresponding thread guide modules remain in their neutral standby position, in which the stock threads 19 rest.
  • the working threads 18 are read into the lower shedding combs 40 with the aid of the active thread guides 21A.
  • the split threads are pushed onto the sub-string and then the active thread guides 21A move the threads together on the one hand Bandwidth B of the warp 17 and on the other hand simultaneously to the left at the foot point 38 of the conical section 4.
  • the drum has a Rotation of 360 ° covered.
  • the upper overwinding phase 63 follows for reading in the threads in the upper shedding combs 40 on the outer ring 14.
  • the active yarn guides 21A travel further to the left and at the same time again apart to the scanning width.
  • the drum again requires a full revolution of 360 °.
  • the yarn guides 21A ride together in a row to transfer the working threads 18 together to the outer Fadenmit diversity 31, wherein the yarn guide modules cut the work threads and in turn detect by clamping. This action is shown as upper presentation phase 64.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Tyre Moulding (AREA)
  • Decoration Of Textiles (AREA)
  • Moulding By Coating Moulds (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention relates to a method for winding a strip ( 17 ) consisting of a plurality of parallel threads ( 18 ) onto a rotating warping drum ( 2 ), wherein the winding position of each individual thread is determined with the aid of a thread guide ( 21 ) which is associated with a thread selection device ( 8 ) and which is allocated to said thread. The thread guides ( 21 ) are displaced in the direction of the axis of rotation ( 6 ) of the warping drum ( 2 ) from a rest position into a working position and the individual threads ( 18 ) are seized successively by an internal thread carrier ( 30 ) associated with the warping drum ( 2 ).

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Wickeln eines aus einer Mehrzahl von parallelen Fäden bestehenden Bandes auf einen um eine Drehachse rotierenden Wickelkörper. Derartige Verfahren und Vorrichtungen werden beispielsweise in der Textiltechnik bei der Webereivorbereitung zum Schären der Webkette eingesetzt. Wickelprozesse sind aber auch in anderen Bereichen wie z.B. in der Drahtindustrie erforderlich. Die vorliegende Erfindung ist denn auch nicht auf textile Anwendungszwecke beschränkt und der Ausdruck "Fäden" erfasst jedes langgestreckte, wickelbare Element, unabhängig von der Querschnittsform oder vom Material.The invention relates to a method and a device for winding a strip consisting of a plurality of parallel threads onto a winding body rotating about a rotation axis. Such methods and devices are used, for example, in textile technology in weaving preparation for warping the warp. But winding processes are also in other areas such. required in the wire industry. The present invention is not limited to textile applications and the term "threads" covers any elongate, windable element, regardless of the cross-sectional shape or the material.

EP 1 460 156 A2 zeigt eine Konusschärmaschine und ein Verfahren zum Herstellen einer Kette auf einer Konusschärmaschine. Die Fäden werden durch ein Riet geführt. Dieses Riet wird beim Wickeln in Axialrichtung verlagert, um eine konusförmige Stirnseite der Wicklung zu erzeugen, wobei die konusförmige Stirnseite den gleichen Neigungswinkel haben soll wie der Konus der Schärtrommel. Die Reihenfolge der Fäden ist durch das Riet festgelegt. Das Riet weist eine Vielzahl von Gassen auf, wobei durch jede Gasse ein einzelner Faden geführt ist. Es sind nicht mehrere Fadenführer vorgesehen, so dass die Reihenfolge der einzelnen Fäden beim Wickeln nicht ohne Weiteres geändert werden kann. EP 1 460 156 A2 shows a cone warping machine and a method of making a warp on a cone warping machine. The threads are guided by a reed. This reed is displaced during winding in the axial direction to produce a conical end face of the winding, wherein the cone-shaped end face should have the same angle of inclination as the cone of the Warping drum. The order of the threads is determined by the reed. The reed has a plurality of lanes, with each lane passing a single thread. There are not provided multiple thread guide, so that the order of the individual threads during winding can not be changed easily.

US 3 520 493 zeigt eine Führung für ein sich bewegendes textiles Band. Die einzelnen Fäden dieses Bandes werden durch Ösen geführt, die an einer Leiste angeordnet sind. Die Ösen werden durch U-förmige Haken gebildet, die mit einem Schenkel an einer Befestigung befestigt sind. Der andere Schenkel ist kürzer, so dass sich eine Öffnung ergibt, durch die der Faden in die Öse eingeführt werden kann. Die einzelnen Ösen sind in Längsrichtung auf der Leiste in unterschiedlichen Positionen festlegbar. Nachdem die Fäden durch die Führung gelaufen sind, werden sie durch ein Riet und einen Kamm geführt, bevor sie auf dem Umfang der Schärtrommel zu liegen kommen. US Pat. No. 3,520,493 shows a guide for a moving textile band. The individual threads of this band are guided by eyelets, which are arranged on a bar. The eyelets are formed by U-shaped hooks, which are fastened with a leg to a fastening. The other leg is shorter, so that there is an opening through which the thread can be inserted into the eyelet. The individual eyelets can be fixed lengthwise on the bar in different positions. After the threads have passed through the guide, they are passed through a reed and a comb before they come to rest on the circumference of the warping drum.

Ein Erfordernis bei modernen Schärverfahren besteht beispielsweise darin, dass mit hohen Geschwindigkeiten gearbeitet werden muss, wobei eine Änderung der Zusammensetzung jedes gewickelten Bandes gewährleistet sein sollte. Dieses Erfordernis stellt sich insbesondere bei so genannten Musterketten oder Kurzketten. Jede Umstellung der Bandzusammensetzung, sei es in der Gattung oder Reihenfolge der Fäden oder in der gewickelten Bandbreite, erfordert jedoch einen Maschinenstillstand, was den Arbeitsprozess erheblich verzögert.For example, a requirement of modern warping methods is that high speeds must be used, and a change in the composition of each wound tape should be ensured. This requirement arises in particular in so-called pattern chains or short chains. However, any change in band composition, whether in the type or sequence of filaments or in the wound bandwidth, requires machine downtime, which significantly delays the work process.

Es ist daher eine Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung der eingangs genannten Art zu schaffen, mit denen bei hoher Produktionsgeschwindigkeit rasche Bandwechsel bzw. unterschiedliche Bandzusammensetzungen möglich sind. Diese Aufgabe wird in verfahrensmäßiger Hinsicht durch ein Verfahren mit den Merkmalen gemäß Anspruch 1 und in vorrichtungsmäßiger Hinsicht durch eine Vorrichtung mit den Merkmalen im Anspruch 15 gelöst.It is therefore an object of the invention to provide a method and a device of the type mentioned, with which at high production speeds rapid tape changes or different tape compositions are possible. This object is achieved in terms of the method by a method having the features according to claim 1 and in terms of the device by a device having the features in claim 15.

Bei konventionellen Schärmaschinen werden die Fäden bereits am Schärblatt auf die richtige Fadendichte und Bandbreite gebracht. Diese Anordnung erschwert ersichtlicherweise jegliche Modifikation des Bandes. Diese Nachteile können beseitigt werden, wenn die Wickelposition jedes einzelnen Fadens auf dem Wickelkörper mit einem diesem Faden zugeordneten Fadenführer festgelegt wird. Die Fadenführer ersetzen damit das Schärblatt, wobei sie jedoch im Gegensatz zu diesem beliebige Positionen anfahren können. Die Fadenführer sind daher vorzugsweise in Richtung der Drehachse aus einer Ruheposition in eine Arbeitsposition verstellbar. Damit können die Fadenführer wechselweise zum Einsatz gelangen und so die Zusammensetzung des zu wickelnden Bandes beliebig ändern.In conventional warping machines, the threads are already brought to the warp blade on the correct thread density and bandwidth. This arrangement, apparently, complicates any modification of the tape. These disadvantages can be eliminated if the winding position of each individual thread on the winding body is determined with a thread guide associated with this thread. The thread guides thus replace the sharpening blade, but in contrast to this they can approach arbitrary positions. The yarn guides are therefore preferably adjustable in the direction of the axis of rotation from a rest position to a working position. Thus, the yarn guide can be used alternately and so change the composition of the tape to be wound arbitrarily.

Besonders vorteilhaft wird eine aus einer Mehrzahl von Fäden vorzugsweise unterschiedlicher Gattung bestehende Fadenschar an eine im Wickelbereich des Wickelkörpers angeordnete Fadenwähleinrichtung herangeführt, wobei einzelne dieser Fäden als Arbeitsfäden über die Fadenführer abgezogen werden und das Band bilden, während die restlichen Fäden als Vorratsfäden an der Fadenwähleinrichtung mittels je einer Klemmstelle klemmend gehalten werden. Diese Vorgehensweise erlaubt es, den Bandwechsel bei kontinuierlich drehendem Wickelkörper vorzunehmen, was den Arbeitsprozess ersichtlicherweise erheblich beschleunigt.Particularly advantageously, one of a plurality of threads of preferably different genus existing thread group is introduced to a arranged in the winding region of the bobbin thread selection, wherein individual threads are withdrawn as work threads on the thread guides and form the band, while the remaining threads as stock threads on the thread selection means one clamping point are held clamped. This procedure makes it possible to perform the band change with continuously rotating bobbin, which obviously speeds up the work process considerably.

Dabei ist es vorteilhaft, wenn nach wenigstens einer ersten Wickelsequenz die Arbeitsfäden des gewickelten Bandes abgetrennt und an der Fadenwähleinrichtung klemmend gehalten werden und wenn in wenigstens einer zweiten Wickelsequenz die Arbeitsfäden des Bandes eine andere Zusammensetzung haben als während der ersten Wickelsequenz. Die Zusammensetzung des Bandes kann aber auch an mehreren benachbarten Wickeln gleich sein. Schliesslich wäre es auch denkbar, dass die Fäden eines Bandes nicht nach jeder Wickelsequenz abgetrennt werden, sondern dass das Band am Ende eines Wickels direkt zum Anfang eines benachbarten Wickels geführt wird.It is advantageous if, after at least one first winding sequence, the working threads of the wound strip are separated and held clamped on the thread selection device, and if in at least one second winding sequence the working threads of the strip have a different composition than during the first winding sequence. The composition of the band can also be the same at several adjacent coils. Finally, it would also be conceivable that the threads of a band not after each Winding sequence are separated, but that the tape is guided at the end of a roll directly to the beginning of an adjacent roll.

Eine bei voller Wickelkörperdrehung erfolgende Fadenübergabe lässt sich besonders vorteilhaft dadurch erreichen, wenn die ausgewählten Arbeitsfäden zuerst mittels der Fadenführer in eine Mitnahmeposition über dem Wickelkörper aufgespannt werden, in der sie zwischen den Fadenführern und je einer Klemmstelle etwa parallel zur Drehachse frei gespannt sind und dass im Verlaufe einer Wickelkörperdrehung alle Arbeitsfäden in der Mitnahmeposition von einem dem Wickelkörper zugeordneten inneren Fadenmitnehmer nacheinander erfasst und danach von der Klemmstelle getrennt werden. Nach dem Trennen von den Klemmstellen können die Fadenführer mit ihren Arbeitsfäden in die Bandwickelposition auf Bandbreite gefahren werden. Diese fliegende Übergabe der geklemmten Vorratsfäden als Arbeitsfäden auf den Wickelkörper kann bei hohen Geschwindigkeiten und innerhalb einer einzigen Wickelkörperdrehung erfolgen.A taking place at full bobbin rotation yarn transfer can be achieved particularly advantageous if the selected work threads are first stretched by the thread guide in a driving position on the winding body in which they are stretched between the yarn guides and a nip approximately parallel to the axis of rotation and that in Course of a bobbin rotation all working threads in the driving position of one of the winding body associated inner Fadenmitnehmer sequentially detected and then separated from the nip. After disconnecting from the clamping points, the thread guides can be driven with their work threads in the tape winding position on bandwidth. This flying transfer of the clamped stock threads as work threads on the bobbin can be done at high speeds and within a single bobbin rotation.

Nach dem Aufbau eines Bandwickels können wiederum alle Arbeitsfäden von einem mit dem Wickelkörper synchron mitdrehenden äusseren Fadenmitnehmern nacheinander erfasst und danach von der Klemmstelle wiederum geklemmt und gleichzeitig vom Fadenführer getrennt werden. Damit erfolgt praktisch wieder eine fliegende Rückgabe der Arbeitsfäden in die Warteposition an den Klemmstellen.After the construction of a tape reel turn all working threads can be sequentially detected by a co-rotating synchronously with the winding body outer Fadenmitnehmern and then clamped by the clamping point and at the same time separated from the thread guide. This is practically a flying return of the work threads in the waiting position at the terminal points.

An einer Konusschärmaschine ist es ersichtlicherweise erforderlich, dass die Fadenwähleinrichtung für die konusförmige Wicklung des Bandes auf einem Schärtisch in Richtung der Drehachse bzw. im rechten Winkel zu dieser verschoben wird. Die Schärtrommel bildet dabei den Wickelkörper.It is obviously necessary on a cone warping machine that the thread selection device for the conical winding of the strip is displaced on a shear table in the direction of the axis of rotation or at right angles thereto. The warping drum forms the bobbin.

Ersichtlicherweise ist es im Rahmen eines Schärprozesses zur korrekten Vorlage der Kette auf den Webbaum erforderlich, Teilelemente in den Fadenverband einzuführen. Das Einlegen von Teilelementen erfordert bei konventionellen Verfahren in der Regel immer einen Maschinenstillstand. Dieser Nachteil kann beim erfindungsgemässen Verfahren dadurch vermieden werden, dass am Anfang eines Bandwickels mit wenigstens einem Teil der Fäden an wenigstens einer Stelle auf dem Wickelkörper bei drehendem Wickelkörper ein Fach gebildet wird und dass in das geöffnete Fach ein Teilelement eingebracht wird. Das Fach kann alternativ aber auch mit Fachbildekämmen gebildet werden, die auf einem synchron mit dem Wickelkörper mitdrehenden und diesen umgebenden Innenring angeordnet sind. Eine derartige Fadenteilung kann vorzugsweise dazu dienen, ein Fadenkreuz zu bilden. Ein solches Fadenkreuz erleichtert später ein Weiterverarbeiten beispielsweise in der Weberei. Ähnlich wie die fliegende Übernahme der Arbeitsfäden auf den Wickelkörper erfolgt somit auch die Fachbildung, insbesondere die Fadenkreuzbildung und die Einführung des Teilelements bei voller Arbeitsgeschwindigkeit. In bestimmten Fällen wäre es denkbar, diese Art der Fachbildung auch bei konventionellen Verfahren anzuwenden, bei denen nicht jeder einzelne Faden über einen individuellen Fadenführer abgelegt wird.Evidently, it is necessary in the context of a warping process for the correct presentation of the chain on the weaving tree to introduce sub-elements in the thread bandage. The insertion of sub-elements usually requires a machine standstill in conventional methods. This disadvantage can be avoided in the inventive method in that at the beginning of a tape roll with at least a portion of the threads at least one point on the winding body with rotating bobbin a compartment is formed and that in the open compartment, a sub-element is introduced. Alternatively, the compartment can also be formed with shedding combs which are arranged on an inner ring that rotates synchronously with the winding body and surrounds it. Such thread pitch may preferably serve to form a crosshair. Such a reticle later facilitates further processing, for example in the weaving mill. Similar to the flying takeover of the work threads on the winding body is thus also the shedding, especially the crosshairs and the introduction of the sub-element at full operating speed. In certain cases, it would be conceivable to use this type of shedding in conventional methods in which not every single thread is deposited over an individual thread guide.

Eine besonders vorteilhafte Fachbildung ergibt sich, wenn zum Schlagen des Fadenkreuzes wenigstens zwei bezogen auf die Umfangsrichtung hintereinander auf dem Wickelkörper angeordnete Fachbildekämme aus einer zum Aussenumfang etwa tangentialen Ruhestellung in eine Fachbildestellung bewegt werden, in welcher die Kammenden radial vom Aussenumfang wegragen und dass im Verlaufe einer Wickelkörperdrehung die Fäden vorzugsweise wechselweise auf die Kammenden und zwischen die Kammenden abgelegt werden. Die Fachbildekämme können dabei relativ einfach mit einer Teildrehung in ihre Arbeitsposition bewegt werden. Dieses Verfahren kann selbstverständlich aber auch für die Schlichteteilung verwendet werden. Hier geht es nicht um eine Kreuzbildung, sondern um ein Auseinanderhalten der Fäden. Für die Schlichteteilung sind eine Mehrzahl von hintereinander angeordneten Fachbildekämmen derart ausgebildet, dass jeweils nur für einzelne Fäden ein Fach gebildet wird. Falls zusätzlich eine Schlichteteilung vorgesehen ist, so erfolgt diese bevorzugt vor der Fadenkreuzbildung.A particularly advantageous shedding arises when for striking the crosshairs at least two arranged on the winding body in relation to the circumferential direction shedding combs are moved from an outer circumference about tangential rest position in a shedding position, in which the combs projecting radially from the outer periphery and that in the course of a Winding body rotation, the threads are preferably placed alternately on the combs and between the combs. The shedding combs can be relatively easy with a Partial rotation are moved to their working position. Of course, this method can also be used for sizing. This is not about a cross formation, but about a separation of the threads. For the sizing division, a plurality of shedding combs arranged one behind the other are formed such that a shed is formed in each case only for individual threads. If additionally a sizing division is provided, this is preferably done before the crosshair formation.

Ersichtlicherweise erfolgt die Fachbildung und die Einführung des Teilelements vor dem Anfahren der Bandwickelposition, wobei die Fadenführer zuerst auf eine Einleseposition zum Ablegen der Fäden auf die Fachbildekämme gefahren werden. In dieser Einleseposition liegen die Fäden weniger dicht beieinander als bei der späteren Bandwickelposition.Evidently, the shedding and the introduction of the sub-element before starting the tape winding position, the thread guides are first moved to a read-in position for depositing the threads on the shedding combs. In this picking position, the threads are less close together than at the later tape winding position.

Vorzugsweise wird zuerst ein Teilstab in ein offenes Fach eingeführt, wobei danach der das betreffende Fach bildende Fachbildekamm wieder in die Ruhestellung bewegt wird und wobei zuletzt die durch den Teilstab geteilten Fäden auf ein Teilelement, vorzugsweise auf eine Teilschnur oder ein Teilband abgestreift werden. Die Teilschnur oder das Teilband wird somit nicht eigentlich in das Fach eingezogen, sondern die Fäden werden der Teilschnur oder dem Teilband übergeben.Preferably, a partial rod is first introduced into an open compartment, after which the compartmentalizing comb forming the compartment in question is moved back into the rest position and finally the threads divided by the partial staff are stripped off onto a partial element, preferably a partial cord or a partial band. The sub-string or sub-band is thus not actually fed into the subject, but the threads are the sub-string or the sub-band passed.

Ebenso kann am Ende eines Bandwickels mit wenigstens einem Teil der Fäden an wenigstens einer Stelle auf einem synchron mit dem Wickelkörper drehenden und diese umgebenden Aussenring ein Fadenkreuz zur Fachbildung geschlagen werden, wobei in das geöffnete Fach ein Teilelement eingebracht wird und wobei die Fachbildung vorzugsweise mit analogen Mitteln, also mit Fachbildekämmen erfolgt, wie am Anfang des Bandwickels.Likewise, at the end of a tape roll with at least a portion of the threads at least one point on a rotating synchronously with the winding body and surrounding outer ring a crosshairs be beaten for shedding, wherein in the open compartment a sub-element is introduced and the shedding preferably with analog Means, ie with Fachbildekämmen done, as at the beginning of the tape roll.

Auf diese Weise können auf den Wickelkörper eine Mehrzahl von Bandwickel mit gleichem oder mit unterschiedlichem Fadenrapport aneinander bzw. nebeneinander gewickelt werden, wobei der Wickelkörper ununterbrochen dreht.In this way, a plurality of tape reels with the same or different thread repeat can be wound on each other or side by side on the winding body, wherein the winding body rotates continuously.

In vorrichtungsmässiger Hinsicht ist es zweckmässig, wenn je ein Fadenführer und eine Klemmstelle einem Fadenführermodul zugeordnet sind, das ein Getriebe zum Verstellen des Fadenführers sowie eine bewegliche Klemm-Schneideinheit mit einer Klemmstelle zum Klemmen des Fadens und mit einer Schneidvorrichtung zum Abtrennen des Fadens aufweist. Das Schneiden und Klemmen der Fäden erfolgt auf diese Weise praktisch ortsgleich, womit der fliegende Fadenwechsel bei drehendem Wickelkörper ermöglicht wird.In terms of the device, it is expedient if ever a thread guide and a clamping point are assigned to a thread guide module having a gear for adjusting the thread guide and a movable clamping-cutting unit with a clamping point for clamping the thread and a cutting device for separating the thread. The cutting and clamping of the threads takes place in this way virtually the same location, whereby the flying thread change is made possible with rotating winding body.

Das Getriebe des Fadenführermoduls ist vorzugsweise ein Zugmittelgetriebe mit einem Zugmittel, insbesondere mit einem Zahnriemen, an dem der Fadenführer derart angeordnet ist, dass er auf einer Fadenführerstrecke etwa parallel zur Drehachse des Wickelkörpers bewegbar ist. Das Zugmittelgetriebe kann beispielsweise mit einem Schrittmotor sehr rasch und präzise bewegt werden. Denkbar wären aber auch andere Getriebearten, beispielsweise eine Schubstange, an deren Ende der Fadenführer angeordnet ist.The gear of the yarn guide module is preferably a traction mechanism with a traction means, in particular with a toothed belt on which the yarn guide is arranged such that it is movable on a yarn guide path approximately parallel to the axis of rotation of the winding body. The traction mechanism can be moved very quickly and precisely, for example with a stepper motor. Conceivable, however, would be other types of transmission, such as a push rod, at the end of the yarn guide is arranged.

Die Klemm-Schneideinheit kann etwa im rechten Winkel zur Fadenführerstrecke derart beweglich gelagert sein, dass die Klemmstelle bezogen auf den Wickelkörperumfang zwischen einer radial äusseren Ruhestellung und einer radial inneren Fadenübergabestellung verschiebbar ist. Diese Hubbewegung kann beispielsweise über einen pneumatischen Druckmittelzylinder getätigt werden.The clamping-cutting unit can be mounted so movable about at right angles to the yarn guide distance, that the nip is displaceable relative to the winding body circumference between a radially outer rest position and a radially inner yarn transfer position. This lifting movement can be made for example via a pneumatic pressure cylinder.

Weitere Vorteile und Ausgestaltungen der Erfindung ergeben sich aus der nachstehenden Beschreibung eines Ausführungsbeispiels und aus den Zeichnungen. Es zeigen:

Figur 1
Eine perspektivische Gesamtdarstellung einer Schärmaschine,
Figur 2
Eine perspektivische Teildarstellung der Schär- maschine gemäss Figur 1 aus einem anderen Blickwinkel,
Figur 3
Eine Draufsicht auf eine schematisierte Schär- maschine mit der Darstellung der einzelnen Ma- schinenkomponenten,
Figur 4a
Eine Teilansicht einer perspektivischen Dar- stellung einer Fadenwähleinrichtung mit Faden- führermodulen einer Schärmaschine,
Figur 4b
Eine perspektivische Darstellung eines einzel- nen Fadenführermoduls,
Figur 5
Eine Ansicht des Fadenführermoduls gemäss Figur 4 aus Pfeilrichtung (a),
Figur 6
Eine Ansicht des Fadenführermoduls gemäss Figur 4 aus Pfeilrichtung (b),
Figuren 7a/7b
Das Fadenführermodul in der Fadenübergabestel- lung,
Figuren 8a/8b
Das Fadenführermodul unmittelbar nach dem Tren- nen des Fadens von der Klemmstelle,
Figur 9a/9b
Das Fadenführermodul beim Ablegen des Fadens auf einen Fachbildekamm,
Figur 10a/10b
Das Fadenführermodul am Wickelende bei der Übernahme des Fadens durch den äusseren Faden- mitnehmer,
Figuren 11a/11b
Das Fadenführermodul beim Abtrennen des Ar- beitsfadens am Wickelende,
Figur 12
Eine stark schematisierte Seitenansicht auf ein Fadenkreuz,
Figur 13
Eine perspektivische Darstellung auf das Ende eines Fachbildekamms auf dem Wickelkörper mit eingeführtem Teilstab,
Figur 14
Eine im Schnitt und perspektivisch dargestellte Teilschnurhülse,
Figuren 15a/15b
Ein unterer Fachbildekamm zur Fadenkreuzbildung in Betriebstellung vor dem Einlesen der Fäden,
Figuren 16
Der Fachbildekamm mit eingelegten Fäden,
Figuren 17
Der Fachbildekamm mit ausgefahrenem Teilstab,
Figuren 18
Der Fachbildekamm in der Ruhelage mit am Teilstabende angekoppelter Teilschnurhülse,
Figuren 19
Der Fachbildekamm mit vorgeschobenem Fadenab- streifer,
Figuren 20
Der Fachbildekamm mit zurückgezogenem Fadenab- streifer,
Figuren 21a/21b
Ein oberer Fachbildekamm mit eingelesenen Fä- den,
Figuren 22
Der Fachbildekamm nach dem Einführen eines Teilstabes,
Figuren 23
Der zurückgeschwenkte Fachbildekamm mit auf den Teilstab abgelegten oberen Fäden,
Figuren 24
Der Fachbildekamm nach dem Abstreifen der unte- ren Fäden auf ein Teilband,
Figuren 25
Der Fachbildekamm nach dem Abstreifen der obe- ren Fäden auf den Wickel,
Figuren 26
Der Fachbildekamm in neutraler Ausgangslage zur Aufnahme eines neuen Bandes,
Figur 27
Die schematische Darstellung der Wicklung und Fadenkreuzbildung an einem Bandwickel,
Figuren 28a
Ein erster Fachbildekamm zur Schlichteteilung,
Figuren 28a
Ein zweiter Fachbildekamm zur Schlichteteilung.
Further advantages and embodiments of the invention will become apparent from the following description of an embodiment and from the drawings. Show it:
FIG. 1
An overall perspective view of a warping machine,
FIG. 2
A partial perspective view of the sharpening machine according to FIG. 1 from a different angle,
FIG. 3
A top view of a schematic sharpening machine with the representation of the individual machine components,
FIG. 4a
A partial view of a perspective view of a thread selection device with thread guide modules of a warping machine,
FIG. 4b
A perspective view of a single yarn guide module,
FIG. 5
A view of the yarn guide module according to FIG. 4 from the direction of the arrow (a),
FIG. 6
A view of the yarn guide module according to FIG. 4 from the direction of the arrow (b),
Figures 7a / 7b
The yarn guide module in the yarn transfer position,
Figures 8a / 8b
The thread guide module immediately after separation of the thread from the nip,
Figure 9a / 9b
The thread guide module when placing the thread on a shedding comb,
Figure 10a / 10b
The thread guide module at the end of the take-up of the thread by the outer thread taker,
Figures 11a / 11b
The thread guide module when separating the working thread at the end of the winding,
FIG. 12
A highly schematic side view of a crosshair,
FIG. 13
A perspective view of the end of a Fachbildekamms on the bobbin with inserted partial rod,
FIG. 14
A sectional and perspective shown Teilschnurhülse,
FIGS. 15a / 15b
A lower shedding comb for crosshairs in operating position before the threads are read in,
Figures 16
The technical image comb with inserted threads,
Figures 17
The shedding comb with extended partial rod,
Figures 18
The shedding comb in the rest position with partial cord end coupled to the partial rod end,
Figures 19
The shedding comb with advanced thread scraper,
Figures 20
The shedding comb with retracted thread scraper,
Figures 21a / 21b
An upper shedding comb with inserted threads,
Figures 22
The shedding comb after insertion of a partial rod,
Figures 23
The swiveled-back shedding comb with upper threads laid down on the partial rod,
Figures 24
The shedding comb after stripping the lower threads onto a sub-band,
Figures 25
The shedding comb after stripping the upper threads on the winding,
Figures 26
The Fachbildekamm in neutral starting position for the admission of a new volume,
FIG. 27
The schematic representation of the winding and crosshairs on a tape roll,
Figures 28a
A first shedding comb for sizing
Figures 28a
A second shedding comb for sizing.

Wie aus den Figuren 1 und 2 ersichtlich ist, besteht eine insgesamt mit 1 bezeichnete Schärmaschine im Wesentlichen aus einer Schärtrommel 2 als Wickelkörper mit einem zylindrischen Abschnitt 3 und mit einem konischen Abschnitt 4. Die Schärtrommel ist um eine Wickelkörper- bzw. Trommelachse 6 drehbar in einem Gestell 5 gelagert. Ein Schärtisch 7 ruht auf einer Schärtischführung 11 und ist auf dieser parallel zur Drehachse 6 in Pfeilrichtung c verschiebbar. Auf dem Schärtisch 7 ist eine Fadenwähleinrichtung 8 angeordnet, welche relativ zur Schärtrommel und im rechten Winkel zu deren Drehachse auch noch in Pfeilrichtung d verschiebbar ist.Like from the Figures 1 and 2 is apparent, there is a generally designated 1 warping machine essentially of a Warping drum 2 as a bobbin with a cylindrical portion 3 and a conical section 4. The warping drum is rotatably mounted about a bobbin or drum axis 6 in a frame 5. A Schärtisch 7 rests on a Schärtischführung 11 and is displaceable on this parallel to the axis of rotation 6 in the direction of arrow c. Arranged on the tendering table 7 is a thread selection device 8, which is also displaceable in the direction of arrow d relative to the warping drum and at right angles to its axis of rotation.

Die Fadenwähleinrichtung krümmt sich über ein Segment von beispielsweise 90° um die Oberfläche der Schärtrommel 2. In Umfangsrichtung dicht nacheinander sind eine Vielzahl von hier nur schematisch dargestellten Fadenführermodule 20 an der Fadenwähleinrichtung angeordnet. Von einem hier nicht näher dargestellten Spulengatter oder von einer anderen Fadenspendereinrichtung wird eine Fadenschar 9 abgezogen, wobei jeder einzelne Faden zu einem der Fadenführermodule 20 geführt ist. Geeignete Einrichtungen, wie z.B. Fadenbremsen sorgen dafür, dass die Fäden stets gespannt bleiben.The yarn selection device curves over a segment of, for example, 90 ° around the surface of the warping drum 2. A plurality of yarn guide modules 20, shown only schematically here, are arranged on the yarn selection device in the circumferential direction. From a creel, not shown here, or from another thread dispenser device, a group of threads 9 is withdrawn, with each individual thread being guided to one of the thread guide modules 20. Suitable devices, such as Yarn brakes ensure that the threads always stay taut.

Für die Fachbildung für die Herstellung von Fadenkreuzen oder für die Schlichteteilung am Anfang eines Wickels ist auf dem zylindrischen Abschnitt 3 der Schärtrommel 2 ein Innenring 12 angeordnet, der die Mittel zur Fadenkreuzbildung oder zur Schlichteteilung trägt und der zusammen mit der Trommel dreht. Der innere Ring 12 ist in Trommellängsnuten 13 geführt und kann entlang diesen wie der Schärtisch 7 in Pfeilrichtung c verschoben werden.For the shed for the production of crosshairs or for the sizing division at the beginning of a coil, an inner ring 12 is arranged on the cylindrical portion 3 of the warping drum 2, which carries the means for crosshairs or sizing and which rotates together with the drum. The inner ring 12 is guided in drum longitudinal grooves 13 and can be moved along the same as the shear table 7 in the direction of arrow c.

Zur Fachbildung, insbesondere zur Fadenkreuzbildung am Ende eines Wickels ist ein Aussenring 14 vorgesehen, der den Trommelmantel konzentrisch umgibt und der synchron mit der Trommel antreibbar ist. Der Aussenring ist in einem Aussenringlager 15 gelagert, das seinerseits auf einem Aussenringschlitten 16 abgestützt und an diesem in Pfeilrichtung c linear verschiebbar ist. Auch der Aussenring 14 trägt die zur Fadenkreuzbildung erforderlichen Mittel.For shedding, especially for crosshairs at the end of a coil, an outer ring 14 is provided which surrounds the drum shell concentrically and synchronously with the drum is drivable. The outer ring is mounted in an outer ring bearing 15, which in turn is supported on an outer ring slide 16 and linearly displaceable in this direction in the arrow direction c. The outer ring 14 carries the funds required for crosshairs.

In einem Steuerschrank 10 sind die Komponenten zur Steuerung der Schärmaschine untergebracht.In a control cabinet 10, the components are housed to control the warping machine.

Figur 3 zeigt schematisch die Gesamtheit der mechanischen Funktionsgruppen an der Schärmaschine mit den dazu gehörigen Antriebsmotoren, nämlich im Wesentlichen die Schärtrommel 2, das Gestell 5, der Schärtisch 7 und die Fadenwähleinrichtung 8. Dazu kommen der Innenring 12 und der Aussenring 14 mit den jeweiligen Betätigungsmitteln. Ersichtlicherweise sind hier sowohl Innenring 12 als auch Aussenring 14 von der Schärtrommel 2 losgelöste Elemente, die aber synchron mit der Schärtrommel 2 drehantreibbar sind. FIG. 3 schematically shows the totality of the mechanical functional groups on the warper with the associated drive motors, namely essentially the warping drum 2, the frame 5, the shear table 7 and the Fadenwähleinrichtung 8. In addition, the inner ring 12 and the outer ring 14 with the respective actuating means. Evidently, here both inner ring 12 and outer ring 14 of the warping drum 2 detached elements, but are synchronously driven in rotation with the warping drum 2.

Figur 4a zeigt eine perspektivische Teilansicht einer Fadenwähleinrichtung mit Fadenführermodulen einer Schärmaschine. Die Fadenwähleinrichtung 8 weist eine Mehrzahl von Fadenführermodulen auf, wobei die Module 20', 20", 20"' und 20'v nacheinander in Umfangsrichtung angeordnet sind. In Figur 3 ist weiter ein einem Innenring zugeordneten Fachbildekamm 40 erkennbar, dessen Ausgestaltung und Funktionsweise später detailliert beschrieben wird. Ein Fadenführer 21 kann entlang der Trommelachse in Pfeilrichtung e hin und her verschoben bzw. positioniert werden. Die Bewegung des Fadenführers 21 kann mit einem Zugmittelgetriebe 33 erfolgen. Selbstverständlich sind auch andere Mittel zum Bewegen des Fadenführers 21 vorstellbar, so etwa pneumatische oder hydraulische Systeme. FIG. 4a shows a partial perspective view of a yarn selection device with thread guide modules of a warping machine. The thread selection device 8 has a plurality of thread guide modules, wherein the modules 20 ', 20 ", 20"' and 20 ' v are arranged successively in the circumferential direction. In FIG. 3 Furthermore, an inner ring associated Fachbildekamm 40 recognizable, the configuration and operation will be described later in detail. A yarn guide 21 can be moved or positioned along the drum axis in the direction of arrow e. The movement of the thread guide 21 can take place with a traction mechanism 33. Of course, other means for moving the yarn guide 21 are conceivable, such as pneumatic or hydraulic systems.

Nachstehend wird anhand der Figuren 4 bis 6 ein einzelnes Fadenführermodul 20 etwas genauer beschrieben. Das Modul verfügt über eine Halteplatte 32, an welcher die Getriebeeinheit 33 und eine Klemm-Schneideinheit 22 befestigt sind. Die Getriebeeinheit 33 verfügt über ein Zugmittelgetriebe mit einem Zahnriemen 29. Der Zahnriemen ist über einen Fadenführerantrieb 34 antreibbar, bei dem es sich vorzugsweise um einen Schrittmotor handelt. An einem der beiden parallelen Zahnriementrums ist ein Fadenführer 21 befestigt, der in Pfeilrichtung e eine Fadenführerstrecke FS zurücklegen kann. In der Ruhestellung RS befindet sich der Fadenführer 21 hinter der Klemm-Schneideinheit zurückversetzt. Die Klemm-Schneideinheit 22 ist auf einem Hubschlitten 26 angeordnet, der in einer Führung 35 verschiebbar gelagert ist. Als Antriebsmittel dient dabei ein pneumatischer Druckmittelzylinder 28.The following is based on the FIGS. 4 to 6 a single yarn guide module 20 described in more detail. The module has a holding plate 32, to which the gear unit 33 and a clamping cutting unit 22 are attached. The gear unit 33 has a traction mechanism with a toothed belt 29. The toothed belt can be driven via a thread guide drive 34, which is preferably a stepper motor. At one of the two parallel Zahnriementrums a yarn guide 21 is attached, which can travel in the direction of arrow e a thread guide section FS. In the rest position RS, the yarn guide 21 is set back behind the clamping-cutting unit. The clamping cutting unit 22 is arranged on a lifting carriage 26 which is mounted displaceably in a guide 35. The drive means is a pneumatic pressure medium cylinder 28.

Die Klemm-Schneideinheit verfügt über einen Doppelhebearm 25, der am Hubschlitten 26 angelenkt ist und dessen oberer Hebelarm über einen pneumatischen Druckmittelzylinder 27 aktivierbar ist. Die eigentliche Schneidvorrichtung 24 wird am unteren Hebelarm durch eine Schneidkante gebildet. Unmittelbar hinter der Schnittebene liegt eine Klemmstelle 23, welche ebenfalls über den Doppelhebearm 25 aktivierbar ist.The clamping-cutting unit has a Doppelhebearm 25 which is articulated on the lifting carriage 26 and the upper lever arm via a pneumatic pressure medium cylinder 27 can be activated. The actual cutting device 24 is formed on the lower lever arm by a cutting edge. Immediately behind the cutting plane is a nip 23, which is also activated via the Doppelhebearm 25.

Der zugeführte Arbeitsfaden bzw. Vorratsfaden 18/19 wird über ein Fadenführungsrohr 36 eingeführt, das auf der Seite des Doppelhebelarms derart über der Klemmstelle 23 mündet, dass der Faden auf der Fadenführerstrecke des Fadenführers 21 liegt. Der Fadenführer verfügt über eine Einkerbung oder Rille, welche ein weggleiten des Fadens verhindert.The supplied working thread or supply thread 18/19 is introduced via a thread guide tube 36 which opens on the side of the double lever arm in such a way over the nip 23, that the thread is on the thread guide section of the thread guide 21. The thread guide has a notch or groove which prevents the thread from sliding away.

Zum besseren Verständnis der nachfolgenden Funktionsbeschreibung des Fadenführermoduls 20 ist in Figur 4b auch noch der der Trommel zugeordnete innere Fadenmitnehmer 30 dargestellt. Dieser ist durch hier nicht näher dargestellt Mittel in der Lage, einen in der richtigen Position aufgespannten Faden klemmend zu erfassen und mitzureissen.For a better understanding of the following functional description of the yarn guide module 20 is in FIG. 4b even the drum associated inner Fadenmitnehmer 30 shown. This is not shown here by means means able to detect a clamped in the correct position clamping thread and entrain.

Solange ein Faden in der in Figur 5 dargestellten Ausgangsstellung an einem Fadenführermodul geklemmt ist, dient er als Vorratsfaden 19, der jederzeit als Arbeitsfaden in den Schärprozess zur Bildung eines Bandes einbezogen werden kann. Dazu wird gemäss den Figuren 7a und 7b der Fadenführer 21 aktiviert, sodass er einen Teil der Fadenführerstrecke FS zurücklegt und zuerst eine Fadenmitnahmeposition FM einnimmt. Der Hubschlitten 26 befindet sich dabei bereits in der auch in Figur 5 dargestellten abgesenkten Position. Der für die Erreichung der Fadenmitnahmeposition FM erforderliche Fadennachschub wird über das Fadenführerrohr 36 abgezogen. Die Drehbewegung der Trommel ist derart auf die Bewegung des Fadenführers 21 abgestimmt, dass, unmittel-bar nach Erreichen der Fadenmitnahmeposition FM der innere Fadenmitnehmer 30 diesen und jeden anderen Arbeitsfaden des gegenwärtigen Wickels mitreisst.As long as a thread in the in FIG. 5 shown starting position is clamped to a yarn guide module, it serves as a stock thread 19, which can be included at any time as a working thread in the warping process to form a band. This is done according to the FIGS. 7a and 7b the yarn guide 21 is activated so that it covers a part of the yarn guide section FS and first occupies a thread take-up position FM. The lifting carriage 26 is already in the in FIG. 5 illustrated lowered position. The required for the achievement of thread take-up position FM thread supply is withdrawn via the yarn guide tube 36. The rotational movement of the drum is tuned to the movement of the thread guide 21, that, immediately after reaching the thread take-up position FM, the inner thread follower 30 entrains this and any other working thread of the current roll.

Unmittelbar nach dem sicheren Erfassen des Fadens wird die Klemmstelle 23 freigegeben, sodass der Arbeitsfaden mit der Umfangsgeschwindigkeit des inneren Fadenmitnehmers 30 abgezogen wird. Diese Situation ist in den Figuren 8a und 8b dargestellt. Bis zu diesem Zeitpunkt arbeiten alle aktiven Fadenführermodule auf der Fadenwähleinrichtung simultan.Immediately after the secure detection of the thread, the nip 23 is released, so that the working thread with the peripheral speed of the inner Fadenmitnehmers 30 is withdrawn. This situation is in the FIGS. 8a and 8b shown. Until then, all active thread guide modules on the thread selection device are working simultaneously.

Im Anschluss daran wird gemäss den Figuren 9a und 9b der Fadenführer 21 auf der Fadenführerstrecke FS ein Stück weit weiter bewegt, um für das Schlagen eines Fadenkreuzes in einen Fachbildekamm 40 eingelesen zu werden. Dieser Fachbildevorgang wird anschliessend noch genauer beschrieben. Der Fachbildekamm für ein Fadenkreuz verfügt über U-förmig gegabelte Kammenden 42, in denen jeweils ein einzelner Arbeitsfaden abgelegt werden kann. Zwischen den einzelnen Kammenden 42 können ebenfalls Fäden abgelegt werden. Wie in Figur 9a symbolisch dargestellt ist, wird nun der Reihe nach jeder Fadenführer 21a, 21b, 21c usw. von in Umfangsrichtung nachfolgenden Fadenführermodulen genau so weit bewegt, dass jeweils wechselweise ein Arbeitsfaden auf einem Kammende und zwischen einem Kammende abgelegt wird. Nach dem Schlagen des Fadenkreuzes und nach dem Einbringen eines Teilelements auf die nachstehen noch beschriebene Art und Weise fahren alle aktiven Fadenführer 21, 21a, 21b, 21c usw. ihre jeweiligen Arbeitsfäden auf die eigentliche Wickelposition des Bandes 17, dessen Breite ersichtlicherweise wesentlich kleiner ist, als die Fadenbandbreite beim Einlesen auf den Fachbildekamm 40. Die Fadenführer 21 behalten ihre relative Position zueinander nun bei, bis das Ende des Wickels erreicht ist, wobei die gesamte Fadenwähleinrichtung auf dem Schärschlitten bewegt wird.Following this, according to the FIGS. 9a and 9b the yarn guide 21 on the yarn guide FS a piece further moved to be read for hitting a crosshair in a shedding comb 40. This shedding process will be described in more detail below. The Fachbildekamm for a Crosshairs have U-shaped forked combs 42, in each of which a single working thread can be stored. Between the individual comb ends 42 threads can also be stored. As in FIG. 9a is shown symbolically, each yarn guide 21a, 21b, 21c, etc. of sequentially following yarn guide modules is then moved so far in turn, that in each case alternately a working thread is placed on a comb end and between a comb end. After hitting the crosshairs and after introducing a partial element in the manner described below, all active yarn guides 21, 21a, 21b, 21c, etc. drive their respective working threads to the actual winding position of the belt 17, the width of which is evidently considerably smaller, The yarn guides 21 maintain their relative position to each other now until the end of the roll is reached, the entire yarn selection is moved on the sharpening carriage.

Sobald das Ende eines Bandwickels erreicht ist und sobald auch dort mit ähnlichen Mitteln Fadenkreuze gebildet werden, fahren wiederum alle aktiven Fadenführer 21 auf eine äussere Fadenmitnahmeposition FM, in welcher alle Arbeitsfäden 18 einem äusseren Fadenmitnehmer 31 übergeben werden bzw. von diesem mitgerissen werden. Dieser äussere Fadenmitnehmer ist einem äusseren, die Trommel konzentrische umgebenden und synchron mit der Trommel mitdrehenden Aussenring 14 zugeordnet, der in Figur 10a/10b nur symbolisch dargestellt ist. Dieses "Zusammenraffen" der Fäden erfolgt zur Vorbereitung des Schneidvorgangs, der in den Figuren 11a/11b dargestellt ist.Once the end of a tape roll is reached and as soon as there are formed with similar agents crosshairs, again drive all active yarn guide 21 on an outer thread driving position FM, in which all working threads 18 are passed to an outer thread driver 31 and be entrained by this. This outer thread driver is associated with an outer, the drum concentric surrounding and co-rotating with the drum outer ring 14, which in Figure 10a / 10b is shown only symbolically. This "gathering" of the threads is done in preparation for the cutting process, which in the Figures 11a / 11b is shown.

Der Hubschlitten 26 wird dabei an jedem Fadenführermodul 20 in die obere Endlage gefahren, sodass die Klemmstelle 23 den abgezogenen Faden erfassen kann. Praktisch zeitgleich wird die Schneidvorrichtung 24 aktiviert, wobei einerseits der soeben bearbeitete Arbeitsfaden 18 aus dem Fadenführer 21 befreit und gleichzeitig wieder als Vorratsfaden 19 an der Klemmstelle in Bereitschaftsstellung gehalten wird.The lifting carriage 26 is driven at each yarn guide module 20 in the upper end position, so that the nip 23 can detect the withdrawn thread. Practically at the same time is the Cutting device 24 is activated, on the one hand frees the just-worked working thread 18 from the thread guide 21 and at the same time held back as a supply thread 19 at the nip in the ready position.

Wie aus Figur 12 ersichtlich ist, sind die Mittel zum Schlagen eines Fadenkreuzes am Anfang eines Wickels am Innenring 12 angeordnet. Die in Figur 12 dargestellte Situation entspricht dabei etwa derjenigen gemäss Figur 9, wobei nebeneinander liegende Fäden wechselweise in hintereinander angeordnete Fachbildekämme 40a, 40b eingelesen werden. Mit 30 ist wiederum symbolisch der innere Fadenmitnehmer angedeutet. Durch das wechselweise Überwickeln der Fachbildekämme bildet sich ersichtlicherweise ein Fadenkreuz 50 mit einem geöffneten Fach 51, in das ein Teilelement eingeführt werden kann. Auf etwa gleiche Weise kann auch die Schlichteteilung erfolgen. Im Unterschied zur Fadenkreuzbildung, müssen zur Schlichteteilung eine Vielzahl von hintereinander angeordneten Fachbildekämmen vorgesehen werden. Im Weiteren sind die Fachbildekämme zur Schlichteteilung anders ausgebildet (siehe dazu Figuren 28a und 28b).How out FIG. 12 it can be seen, the means for hitting a crosshair at the beginning of a coil on the inner ring 12 are arranged. In the FIG. 12 The situation shown corresponds approximately to that according to FIG. 9 , wherein adjacent threads are alternately read in successively arranged shedding combs 40a, 40b. With 30 again symbolically the inner Fadenmitnehmer is indicated. As a result of the alternating over-winding of the shedding combs, a crosshair 50 with an opened shed 51, in which a part element can be introduced, is evidently formed. The sizing division can also take place in approximately the same way. In contrast to crosshair formation, a multiplicity of shedding combs arranged one behind the other must be provided for the sizing division. In addition, the shedding combs are designed differently for sizing (see Figures 28a and 28b ).

Weitere Einzelheiten eines Fachbildemittels sind aus den Figuren 13 und 14 ersichtlich. Der gekrümmte Fachbildekamm 40 beispielsweise aus Kunststoffmaterial ist an einem drehbaren Kammschaft 41 befestigt. Parallel zum Kammschaft verschiebbar ist ein Teilstab 43 angeordnet. Am Ende des verlängerten Kammschafts 41 ist eine zangenartige Hülsenhalterung 45 vorgesehen, die eine Teilschnurhülse 44 klemmend erfasst. Die etwa zylindrische Teilschnurhülse verfügt über eine Teilschnurspindel 46, welche zentrisch in die Teilschnurhülse eingeschraubt ist, sodass ein offener Ringspalt 55 verbleibt. Auf der Teilschnurspindel 46 ist eine geeignet Teilschnur 49 aufgewickelt, die über den Ringspalt 55 abgezogen werden kann. Die Teilschnurhülse 44 verfügt auf der der Stirnseite des Teilstabs 43 zugewandten Seite über ein Anschlusselement 47, an welchem der Teilstab 43 and die Teilschnurhülse 44 angekoppelt werden kann.Further details of a Fachbildemittels are from the FIGS. 13 and 14 seen. The curved shedding comb 40, for example made of plastic material, is fastened to a rotatable comb shank 41. Slidable parallel to the comb shaft, a partial rod 43 is arranged. At the end of the extended comb shaft 41, a pincer-like sleeve holder 45 is provided which clampingly grips a partial cord sleeve 44. The approximately cylindrical partial cord sleeve has a partial cord spindle 46, which is screwed centrally into the partial cord sleeve, so that an open annular gap 55 remains. On the sub-string spindle 46, a suitable sub-string 49 is wound, which can be removed via the annular gap 55. The Teilschnurhülse 44 has on the the end face of the partial rod 43 side facing via a connection element 47 to which the partial rod 43 and the sub-string sleeve 44 can be coupled.

Der ausgefahrene Teilstab 43 erfasst somit die in der Hülsenhalterung 45 fixierte Teilschnurhülse 44, die im Übrigen etwa den gleiche Aussendurchmesser aufweist wie der Teilstab. Anschliessend wird die Hülsenhalterung 45 geöffnet, sodass der gesamte Umfangsbereich der Teilschnurhülse 44 freigelegt ist. Dies ermöglich ein Abstreifen des geteilten Fadenverbandes vom Teilstab 43 auf die abgezogene Teilschnur 49.The extended partial rod 43 thus captures the partial cord sleeve 44 fixed in the sleeve holder 45, which otherwise has approximately the same outer diameter as the partial rod. Subsequently, the sleeve holder 45 is opened, so that the entire peripheral region of the Teilschnurhülse 44 is exposed. This makes it possible to strip the split thread assembly from the partial rod 43 to the withdrawn partial cord 49.

Dazu dient ein Fadenabstreifer 48, der in Figur 15a dargestellt ist und der in Richtung gegen die Teilschnurhülse 44 hin verschiebbar ist. Die Figuren 15a/15b zeigen einen Fachbildekamm 40 in der Bereitschaftsstellung, das heisst mit radial nach aussen wegragenden Kammenden 42. Der Teilstab 43 ist noch zurück gezogen, sodass gemäss Figur 16 der Fachbildekamm überwickelt werden kann. Dabei liegen jeweils die oberen Fäden 53 in den U-förmigen Kammenden 42 und die untere Fäden 52 liegen zwischen den Kammenden unmittelbar auf dem Kammschaft 41. Die Distanz zwischen den unteren und den oberen Fäden bildet das geöffnete Fach 51. Je nach Bandbreite des späteren Schärbandes wird der gesamte Fachbildekamm oder nur ein Abschnitt davon überwickelt.Serves a thread scraper 48, the in FIG. 15a is shown and is displaceable in the direction against the Teilschnurhülse 44. The FIGS. 15a / 15b show a shedding comb 40 in the ready position, that is with radially outwardly projecting comb ends 42. The rod 43 is still pulled back, so according to FIG. 16 the Fachbildekamm can be wound. In each case, the upper threads 53 are in the U-shaped ridge ends 42 and the lower threads 52 lie between the combs directly on the comb shaft 41. The distance between the lower and the upper threads forms the open compartment 51. Depending on the bandwidth of the later Schärbandes the entire shedding comb or only a portion of it is wrapped.

Sobald alle aktiven Arbeitsfäden in den Fachbildekamm eingelesen worden sind, wird der Teilstab 43 gemäss Figur 17 ausgefahren und danach wird der Fachbildekamm 40 in seine radial innere Ruhelage zurückgedreht.As soon as all active working threads have been read into the shedding comb, the partial rod 43 is adjusted according to FIG. 17 extended and then the shedding comb 40 is rotated back into its radially inner rest position.

Diese Situation ist in Figur 18 dargestellt. Die oberen Fäden 53 ruhen jetzt unmittelbar auf dem Teilstab 43 und die unteren Fäden 52 ruhen nach wie vor auf dem Kammschaft 41. Der Teilstab 43 hat die Teilschnurhülse 44 endseitig erfasst und letztere ist von der Hülsenhalterung 45 befreit. Jetzt kann gemäss Figur 19 der Fadenabstreifer 48 vorgeschoben werden, der die unteren und die oberen Fäden 52/53 über die Teilschnurhülse 44 hinaus auf die Teilschnur 49 abstreift. Anschliessend fährt der Fadenabstreifer 48 wieder zurück und der Fachbildekamm 40 bleibt in dieser Warteposition gemäss Figur 20, bis er zu einer neuen Fachbildung ausgedreht wird.This situation is in FIG. 18 shown. The upper threads 53 now rest directly on the partial rod 43 and the lower threads 52 still rest on the comb shaft 41. The partial rod 43 has detected the partial cord sleeve 44 end and the latter is freed from the sleeve holder 45. Now according to FIG. 19 the Fadenabstreifer 48 are advanced, which strips the lower and the upper threads 52/53 on the Teilschnurhülse 44 addition to the sub-string 49. Subsequently, the thread wiper 48 moves back again and the shedding comb 40 remains in this waiting position FIG. 20 until he is turned off to a new shed education.

Die Fachbildung am Ende eines Wickels erfolgt mit ähnlichen Mitteln, wie am Wickelanfang, d.h. ebenfalls mit Fachbildekämmen. Diese Fachbildekämme sind wie bereits einleitend erwähnt dem Aussenring 14 zugeordnet, dessen Durchmesser so dimensioniert ist, dass er grösser ist als der grösstmögliche Wickeldurchmesser. Anders als am Wickelanfang wird als Teilelement jedoch nicht eine Teilschnur, sondern ein flexibles Teilband in das offene Fadenfach eingebracht, wobei die Ausbildung der Fachteilmittel sowie die Verfahrensschritte nicht gleich sind wie auf der Innenseite. Gemäss Figur 21a/21b ist ebenfalls ein gekrümmter Fachbildekamm 40 mit Kammenden 42 an einem Kammschaft 41 angeordnet. Das flexible Teilband 54 mit seinem angewinkelten Ende ist unter dem Kammschaft 41 angeordnet und kann von der Trommelinnenseite her vorgeschoben werden. Ein oberer Teilstab 56 kann ebenfalls parallel zum Kammschaft 41 ausgefahren werden. Ausserdem ist eine Abstreifhülse 57 vorgesehen, welche den ganzen Teilstab 56 umgibt. In der dargestellten Ausgangslage werden wiederum untere Fäden 52 und obere Fäden 53 in den Fachbildekamm 40 eingelesen, d.h. die jedem Faden zugeordneten Fadenführer 21 (Figur 9a) sorgen dafür, dass die Fäden die korrekte Überwickelposition einnehmen.The shedding at the end of a roll is done with similar means as at the beginning of the roll, ie also with shedding combs. As already mentioned in the introduction, these shedding combs are assigned to the outer ring 14 whose diameter is dimensioned such that it is larger than the largest possible winding diameter. Unlike the beginning of the winding, however, not a partial cord but a flexible partial ligament is introduced into the open thread compartment as a partial element, wherein the design of the compartmentalised part as well as the method steps are not the same as on the inside. According to Figure 21a / 21b a curved shedding comb 40 with comb ends 42 is also arranged on a comb shank 41. The flexible sub-band 54 with its angled end is disposed below the comb shaft 41 and can be advanced from the drum inside. An upper partial rod 56 can also be extended parallel to the comb shaft 41. In addition, a stripper sleeve 57 is provided which surrounds the entire rod 56. In the illustrated starting position, in turn, lower threads 52 and upper threads 53 are scanned into the shedding comb 40, ie, the thread guides 21 associated with each thread. FIG. 9a ) ensure that the threads assume the correct overwinding position.

Gemäss Figur 22 ist der Einleseprozess abgeschlossen und der Teilstab 56 wird in das offene Fach 51 eingefahren. Anschliessend wird gemäss Figur 23 der Kammschaft 41 abgedreht, so dass die oberen Fäden 53 auf dem Teilstab 56 und die unteren Fäden 52 auf dem Kammschaft 41 liegen.According to FIG. 22 the reading-in process is completed and the partial rod 56 is retracted into the open compartment 51. Subsequently is according to FIG. 23 the comb shaft 41 turned off, so that the upper threads 53 are on the sub-rod 56 and the lower threads 52 on the comb shaft 41.

In einem nächsten Schritt gemäss Figur 24 wird die Abstreifhülse 57 ausgefahren, wobei die unteren Fäden 52 auf das Teilband 54 fallen. Die oberen Fäden 53 liegen dagegen zunächst noch auf dem Ende des Teilstabs 56. Das Ende des Teilstabs fluchtet dabei etwa mit dem abgewinkelten Ende des Teilbandes 54.In a next step according to FIG. 24 the stripper sleeve 57 is extended, wherein the lower threads 52 fall on the sub-band 54. The upper threads 53, however, are initially still on the end of the partial rod 56. The end of the partial rod is aligned approximately with the angled end of the sub-band 54th

Sobald die Abstreifhülse 57 die letzte Wegstrecke zurücklegt, fallen die oberen Fäden 53 auf den fertig gestellten Wickel, jedoch ausserhalb des Teilbands 54 (Figur 25). Damit ist das Teilelement eingebracht und kann zur Bildung einer Teilung am nächstfolgenden Wickel um eine Wickelbreite vorgeschoben werden. Der Fachbildekamm 40 wird wiederum in die aktive Lage zur Fachbildung gedreht und der Teilstab 56 bzw. die Abstreifhülse 57 sind in die Ausgangsstellung zurückgezogen (Figur 26). Selbstverständlich kann das anhand der Figuren 21a/21b bis 26a/26b beschriebene Verfahren auch am Wickelanfang bzw. am Innenring angewendet werden.As soon as the stripper sleeve 57 travels the last distance, the upper threads 53 fall onto the finished lap, but outside the subband 54 (FIG. FIG. 25 ). Thus, the sub-element is introduced and can be advanced to form a pitch on the next following winding by a winding width. The shedding comb 40 is in turn rotated to the active position for shedding and the partial rod 56 and the stripper sleeve 57 are retracted to the starting position ( FIG. 26 ). Of course, that can be determined by the Figures 21a / 21b to 26a / 26b described method also be applied to the winding start or on the inner ring.

Ein vollständiger Wickelablauf wird nachstehend anhand der schematischen Darstellung gemäss Figur 27 beschrieben. Das Schema zeigt von unten nach oben aufsteigend die einzelnen Wickelsequenzen und zwar mit Blickrichtung im rechten Winkel auf die Trommel. Im oberen Bilddrittel verläuft die Blickrichtung tangential zur Schärtrommel 2 mit dem zylindrischen Abschnitt 3 und dem konischen Abschnitt 4, sowie mit einem bereits fertig gestellten Wickel 37.Die unteren zwei Drittel der Darstellung zeigen praktisch eine Abwicklung des Trommelmantels in den verschiedenen Betriebssequenzen, wobei rechts die Winkelstellung der Trommel angegeben ist.A complete winding process will be described below with reference to the schematic representation FIG. 27 described. The diagram shows from bottom to top ascending the individual winding sequences with a view at right angles to the drum. In the upper third of the image, the viewing direction is tangential to the warping drum 2 with the cylindrical section 3 and the conical section 4, and with an already completed winding 37. The bottom two-thirds of the representation show a practical development of the drum shell in the various operating sequences, with the right Angular position of the drum is specified.

Ein Wickelprozess beginnt mit der Vorlegephase 60, in welcher die Fadenwähleinrichtung 8 wie vorstehend beschrieben die Arbeitsfäden 18 mit Hilfe der aktiven Fadenführer 21A der Trommel übergibt und in die richtige Relativlage bringt. Im Schema sind insgesamt 6 aktive Fadenführer 21A dargestellt. Bei zwei passiven Fadenführern 21P bleiben die entsprechenden Fadenführermodule in ihrer neutralen Bereitschaftsstellung, in welcher die Vorratsfäden 19 ruhen.A winding process begins with the presentation phase 60, in which the yarn selection device 8, as described above, transfers the work threads 18 to the drum with the aid of the active yarn guides 21A and brings them into the correct relative position. The diagram shows a total of 6 active yarn guides 21A. In the case of two passive thread guides 21P, the corresponding thread guide modules remain in their neutral standby position, in which the stock threads 19 rest.

In der unteren Überwicklungsphase 61 werden die Arbeitsfäden 18 mit Hilfe der aktiven Fadenführer 21A in die unteren Fachbildekämme 40 eingelesen. Wie vorstehend beschrieben werden die geteilten Fäden auf die Teilschnur geschoben und anschliessend fahren die aktiven Fadenführer 21A die Fäden einerseits auf Bandbreite B des Schärbandes 17 zusammen und andererseits gleichzeitig nach links an den Fusspunkt 38 des konischen Abschnitts 4. Am Ende dieses Prozesses hat die Trommel eine Umdrehung von 360° zurückgelegt.In the lower overwinding phase 61, the working threads 18 are read into the lower shedding combs 40 with the aid of the active thread guides 21A. As described above, the split threads are pushed onto the sub-string and then the active thread guides 21A move the threads together on the one hand Bandwidth B of the warp 17 and on the other hand simultaneously to the left at the foot point 38 of the conical section 4. At the end of this process, the drum has a Rotation of 360 ° covered.

Jetzt folgt die eigentliche Wickelphase 62 zum Aufbau des Wickels 37, wobei je nach Fadenqualität soviel Trommelumdrehungen Nx360° erforderlich sind, bis die gewünschte Wickelhöhe H erreicht ist.Now follows the actual winding phase 62 to build the roll 37, which depending on the thread quality as many drum revolutions Nx360 ° are required until the desired winding height H is reached.

Nachdem der Wickel 37 fertig gestellt ist, folgt die obere Überwicklungsphase 63 zum Einlesen der Fäden in die oberen Fachbildekämme 40 am Aussenring 14. Zu diesem Zweck fahren die aktiven Fadenführer 21A noch weiter nach links und gleichzeitig wieder auseinander auf die Einlesebreite. Für die Fachbildung und für das Vorschieben des Teilbandes in die geöffneten Fächer benötigt die Trommel wiederum eine volle Umdrehung von 360°. Anschliessend fahren die Fadenführer 21A auf eine Reihe zusammen, um die Arbeitsfäden 18 gemeinsam dem äusseren Fadenmitnehmer 31 zu übergeben, wobei die Fadenführermodule die Arbeitsfäden schneiden und wiederum klemmend erfassen. Diese Aktion ist als obere Vorlegephase 64 dargestellt.After the winding 37 is completed, the upper overwinding phase 63 follows for reading in the threads in the upper shedding combs 40 on the outer ring 14. For this purpose, the active yarn guides 21A travel further to the left and at the same time again apart to the scanning width. For the shedding and for advancing the sub-band in the open compartments, the drum again requires a full revolution of 360 °. Subsequently, the yarn guides 21A ride together in a row to transfer the working threads 18 together to the outer Fadenmitnehmer 31, wherein the yarn guide modules cut the work threads and in turn detect by clamping. This action is shown as upper presentation phase 64.

Ohne Anhalten der Trommel kann jetzt auf die gleiche Weise der nächste Wickel gewickelt werden, bei dem möglicherweise an der Fadenwähleinrichtung 8 andere Fäden abgerufen werden. Ersichtlicherweise bewegen sich dabei der Innenring 12, der Aussenring 14 und auch die Fadenwähleinrichtung 8 um eine Bandbreite B nach rechts.Without stopping the drum can now be wound in the same manner, the next winding, possibly at the Fadenwähleinrichtung 8 other threads are retrieved. Evidently, the inner ring 12, the outer ring 14 and also the thread selection device 8 move to the right by a bandwidth B.

In den Figuren 28a und 28b sind Fachbildekämme für die Schlichteteilung dargestellt. Mit Hilfe eines ersten Fachbildekamms 40' (Figur 28a) wird jeweils ein erster Faden in ein am Anfang des Kamms angeordnetes Kammende 42' abgelegt. Weitere Kammenden sind in vorbestimmten, periodischen Abständen voneinander angeordnet, wodurch jeweils einzelne Fäden ein Fach bilden. Durch dieses Fach ist ein Teilelement, beispielsweise ein Teilstab führbar. Ein nächster, dem ersten Fachbildekamm folgenden zweiter Fachbildekamm 40" (Figur 28b) weist Kammenden 42" für einen zweiten Faden bzw. zweite Fäden auf, wobei die Kammenden des zweiten Fachbildekamms gegenüber dem ersten Fachbildekamm um eine Fadenstelle versetzt sind. Analog sind die nächsten Fachbildekämme ausgebildet, d.h. beim dritten Fachbildekamm wären die jeweiligen Kammenden um eine weitere Stelle versetzt usw.. Im Beispiel gemäss Figur 28a/28b wären folglich sieben Fachbildekämme für die Schlichteteilung notwendig.In the Figures 28a and 28b Shedding ridges are shown for the sizing division. With the aid of a first shedding comb 40 '( FIG. 28a ), in each case a first thread is deposited in a comb end 42 'arranged at the beginning of the comb. Further comb ends are arranged at predetermined, periodic distances from each other, whereby each individual threads form a compartment. Through this subject, a sub-element, such as a partial rod is feasible. A next, second shedding comb 40 "following the first shedding comb ( FIG. 28b ) has combed ends 42 "for a second thread or threads, the comb ends of the second shedding comb being offset by one thread point from the first shedding comb, and the next shedding combs are analogously formed, ie at the third shedding comb the respective comb ends would be one further point offset etc. In the example according to Figure 28a / 28b Therefore, seven shedding combs would be necessary for the arbitration.

Claims (30)

  1. Method for winding a composite thread structure consisting of a plurality of parallel threads (18), in particular in the form of a strip (17), onto a winding body (2) rotating about an axis of rotation (6), characterized in that the winding position of each individual thread on the winding body is defined by means of one of several thread guides (21) assigned to this thread, the thread guides (21) being moved apart and together.
  2. Method according to Claim 1, characterized in that the thread guides (21) are adjusted preferably in the direction of the axis of rotation (6) out of a position of rest into a working position.
  3. Method according to Claim 1 or 2, characterized in that a thread group (9) consisting of a plurality of threads (18, 19), preferably of different generic type, are led up to a thread selection device (8) arranged in the winding region of the winding body (6), and in that individual threads of these are drawn off as working threads (18) via the thread guides (21) and form the strip (17), while the remaining threads are held clampingly as stock threads (19) on the thread selection device (8) in each case by means of a clamping point (23).
  4. Method according to Claim 3, characterized in that, after at least one first winding sequence, the working threads (18) of the wound strip (17) are separated and are held clampingly on the thread selection device (8), and in that, in at least one second winding sequence, the working threads (18) of the strip (17) have a composition other than that during the first winding sequence.
  5. Method according to Claim 3 or 4, characterized in that the selected working threads (18) are first tensioned by means of the thread guides (21) into a take-up position above the winding body (2) in which they are freely tensioned, approximately parallel to the axis of rotation (6), between the thread guides (21) and a clamping point (23) in each case, and in that, in the course of a winding body rotation, all the working threads (18) are picked up successively in the take-up position by an inner thread driver (30) assigned to the winding body (2) and are thereafter separated from the clamping points.
  6. Method according to Claim 5, characterized in that the thread guides (21), together with their working threads (18), are moved into the strip winding position to the strip width after separation from the clamping points (23).
  7. Method according to Claim 5 or 6, characterized in that, after the build-up of a strip lap, all the working threads (18) are picked up successively by an outer thread driver (31) corotating on the drum synchronously with the winding body (2) and are thereafter clamped again by the clamping points (23) and separated from the thread guide (21).
  8. Method according to one of Claims 3 to 7, in which the winding body (2) in a warping process is an integral part of a cone warping machine, characterized in that the thread selection device (8) is displaced on a warping table (7) in the direction of the axis of rotation (6) for the conical winding of the strip.
  9. Method particularly according to one of Claims 1 to 8, characterized in that, at the start of a strip lap, a shed for beating up a lease of the size distribution is formed with at least some of the threads at at least one location on the winding body (2), while the winding body is rotating, and in that a dividing element, in particular a dividing cord (49) or a crossing rod (56), is introduced into the open shed (51).
  10. Method according to Claim 9, characterized in that, to beat up the lease (50), at least two shedding combs (40a, 40b) arranged on the winding body (2) one behind the other with respect to the circumferential direction or shedding combs (40a, 40b) arranged on an inner ring (12) co-rotating synchronously with the winding body (2) and surrounding the latter are moved out of a position of rest approximately tangential to the outer circumference into a shedding position, in which the comb ends (42) project radially away from the outer circumference, and in that, in the course of a winding body rotation, the threads (18) are preferably deposited alternately onto the comb ends (42) and between the comb ends.
  11. Method according to Claim 6 and Claim 10, characterized in that, before the strip winding position is assumed, the thread guides (21) are moved to a leasing position for depositing the threads onto the shedding combs (40a, 40b).
  12. Method according to Claim 10 or 11, characterized in that a crossing rod (43) is introduced into a open shed, in that the shedding comb (40a) forming the respective shed (51) is thereafter moved into the position of rest again, and in that, lastly, the threads (52, 53) divided by the crossing rod are stripped off onto a dividing element, preferably onto a dividing cord (49) or onto a dividing band (54).
  13. Method according to one of Claims 9 to 12, characterized in that, at the end of a strip lap, a shed is formed with at least some of the threads at at least one location on an outer ring (14) corotating synchronously with the winding body (2) and surrounding the latter, and in that the dividing element is introduced into the open shed, shedding preferably taking place by similar means to those at the start of the strip lap.
  14. Method according to one of Claims 1 to 13, characterized in that a plurality of strip laps having an identical or a different thread repeat are wound onto the winding body (2) one against the other or next to one another, the winding body rotating uninterruptedly.
  15. Device for winding a strip (17) consisting of a plurality of parallel threads (18) onto a winding body (2) drivable in rotation about an axis of rotation (6), characterized in that several thread guides (21) are provided and, for each individual thread (18), one of these thread guides (21) is arranged in the circumferential region of the winding body (2), via which thread guide the respective thread can be wound up and the winding position on the winding body (2) can be defined, it being possible for the thread guides (21) to be moved apart and together.
  16. Device according to Claim 15, characterized in that the thread guides (21) are arranged successively in the form of an arc over the winding body (2) with respect to the direction of rotation of the winding body (2), and in that they are adjustable preferably in the direction of the axis of rotation (6) out of a position of rest into a working position.
  17. Device according to Claim 15 or 16, characterized in that the thread guides (21) are an integral part of a thread selection device (8) which has in each case a clamping point (23) and in each case a thread guide (21) for a plurality of threads (18, 19), some of these threads being capable of being drawn off via the thread guides (21) as working threads (18) forming the strip, while the remaining threads can be fixed in a standby position as stock threads (19) at the clamping points (23).
  18. Device according to Claim 17, characterized in that in each case a thread guide (21) and a clamping point (23) are assigned to a thread guide module (20) which has a mechanism for adjusting the thread guide and a movable clamping/cutting unit (22) with a clamping point (23) for clamping the thread and with a cutting device (24) for separating the thread.
  19. Device according to Claim 18, characterized in that the mechanism of the thread guide module (20) contains a traction mechanism with a traction means, in particular with a toothed belt (29), on which the thread guide (21) is arranged in such a way that it can be moved along a thread guide distance approximately parallel to the axis of rotation (6) of the winding body.
  20. Device according to Claim 19, characterized in that the clamping/cutting unit is mounted movably, approximately at right angles to the thread guide distance, in such a way that the clamping point (23) is displaceable with respect to the winding body circumference between a radially outer position of rest and a radially inner thread transfer position.
  21. Device according to one of Claims 17 to 20, characterized in that the winding body is a warping drum (2) of a cone warping machine, and in that the thread selection device (8) is mounted on a warping table (7) in such a way that said thread selection device is displaceable both parallel to and at right angles to the axis of rotation (6) of the drum (2).
  22. Device according to one of Claims 15 to 21, characterized in that it has an inner thread driver (30), arranged on the winding body, for gripping and taking up all the strip threads to be wound at the lap start, and also an outer thread driver (31), co-rotating synchronously with the winding body on an outer path of rotation, for temporarily gripping all the threads of a wound strip.
  23. Device according to Claim 21 and Claim 22, characterized in that the inner and the outer thread driver (30, 31) are displaceable parallel to the axis of rotation (6) of the winding body (2), the inner thread driver (30) being arranged on a linear guide in the winding body surface and the outer thread driver (31) being arranged on an outer ring which is drivable in rotation and surrounds the winding body (2) and which is mounted in an outer-ring bearing (15).
  24. Device particularly according to one of Claims 15 to 23, characterized in that means for beating up a lease and for introducing a dividing element into a shed opened by the lease, while the winding body is rotating, are arranged at at least one location on the circumferential region of the winding body (2).
  25. Device according to Claim 24, characterized in that the means of at least two shedding combs (40a, 40b) which are arranged one behind the other with respect to the circumferential direction and approximately parallel to one another and which can be moved out of a position of rest approximately tangential to the outer circumference into a leasing position, in which the comb ends (42) project radially away from the outer circumference, the threads being capable of being deposited alternately onto the comb ends and between the comb ends by means of the thread guides (21).
  26. Device according to Claim 25, characterized in that each shedding comb (40) is assigned a crossing rod (43) which can be introduced, parallel to the shedding comb, into the open shed in order to introduce the dividing element.
  27. Device according to Claim 26, characterized in that the dividing element is a dividing cord which can be drawn off from a preferably cylindrical dividing cord store held on the axis of movement of the crossing rod (43) next to the shedding comb, and in that next to the crossing rod is arranged a thread stripper (48), by means of which the tensioned threads (52, 53) can be pushed onto the dividing cord via the crossing rod fastened on the end face to the dividing cord store and via the dividing cord store.
  28. Device according to one of Claims 24 to 27, characterized in that it has an outer ring (14) which is drivable in rotation synchronously with the winding body and surrounds the latter and on which preferably the same means for beating up a lease, while the winding body is rotating, as in the drum are arranged at at least one location on the circumferential region.
  29. Device according to Claim 28, characterized in that the means, assigned to the winding body, for beating up a lease are arranged on an inner ring (12) displaceable on the winding body surface or on an inner ring (12) which co-rotates synchronously with the winding body (2) and surrounds the latter and which is displaceable synchronously or asynchronously with the outer ring.
  30. Device according to one of Claims 24 to 29, characterized in that the dividing element capable of being introduced on the shedding means of the outer ring (14) and/or of the inner ring (12) is a flexible dividing band (54) which is mounted in the drum interior, is deflectable via the drum end and is displaceable parallel to the winding body casing.
EP05817500A 2004-11-10 2005-11-09 Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation Active EP1809798B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05817500A EP1809798B1 (en) 2004-11-10 2005-11-09 Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP04026668A EP1657329A1 (en) 2004-11-10 2004-11-10 Method and device for winding a band of parallel yarns on a rotating drum
EP04026841 2004-11-11
PCT/EP2005/055856 WO2006051080A1 (en) 2004-11-10 2005-11-09 Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation
EP05817500A EP1809798B1 (en) 2004-11-10 2005-11-09 Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation

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EP1809798A1 EP1809798A1 (en) 2007-07-25
EP1809798B1 true EP1809798B1 (en) 2011-07-27

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EP05817500A Active EP1809798B1 (en) 2004-11-10 2005-11-09 Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation
EP05803007A Active EP1809797B1 (en) 2004-11-10 2005-11-09 Method and device for thread distribution in a warping frame

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EP (2) EP1809798B1 (en)
CN (1) CN101057012B (en)
AT (2) ATE493526T1 (en)
DE (1) DE502005010776D1 (en)
TW (2) TW200628648A (en)
WO (2) WO2006051085A1 (en)

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CN104036953A (en) * 2013-03-06 2014-09-10 宣德科技股份有限公司 Magnet ring wire-winding method
ES2703825T3 (en) * 2015-07-20 2019-03-12 Staeubli Sargans Ag Wire laying machine
US11613831B2 (en) * 2018-04-14 2023-03-28 Ronak Rajendra Gupta High thread/yarn count woven textile fabric and process of preparation thereof
CN110629373B (en) * 2019-09-06 2020-11-10 深圳市海弘装备技术有限公司 Adjusting mechanism and method for automatically adjusting edge layer difference of multilayer line screen
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TW200636104A (en) 2006-10-16
WO2006051085A1 (en) 2006-05-18
TW200628648A (en) 2006-08-16
US20070266535A1 (en) 2007-11-22
EP1809797B1 (en) 2010-12-29
US20080092352A1 (en) 2008-04-24
ATE518026T1 (en) 2011-08-15
US7325283B2 (en) 2008-02-05
ATE493526T1 (en) 2011-01-15
EP1809797A1 (en) 2007-07-25
WO2006051080A1 (en) 2006-05-18
CN101057012A (en) 2007-10-17
EP1809798A1 (en) 2007-07-25
DE502005010776D1 (en) 2011-02-10
CN101057012B (en) 2012-08-29

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