EP1739217A1 - Device for delivering a required thread quantity at each phase of the knitting process to a thread guide of a knitting machine - Google Patents

Device for delivering a required thread quantity at each phase of the knitting process to a thread guide of a knitting machine Download PDF

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Publication number
EP1739217A1
EP1739217A1 EP05014066A EP05014066A EP1739217A1 EP 1739217 A1 EP1739217 A1 EP 1739217A1 EP 05014066 A EP05014066 A EP 05014066A EP 05014066 A EP05014066 A EP 05014066A EP 1739217 A1 EP1739217 A1 EP 1739217A1
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EP
European Patent Office
Prior art keywords
thread
winding body
yarn
winding
amount
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Granted
Application number
EP05014066A
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German (de)
French (fr)
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EP1739217B1 (en
Inventor
Jürgen Dipl.-Ing. Mohr
Hans-Günther Haltenhof
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H Stoll GmbH and Co KG
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H Stoll GmbH and Co KG
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Publication date
Application filed by H Stoll GmbH and Co KG filed Critical H Stoll GmbH and Co KG
Priority to EP05014066A priority Critical patent/EP1739217B1/en
Priority to AT05014066T priority patent/ATE524586T1/en
Priority to CN2006100937170A priority patent/CN1891880B/en
Publication of EP1739217A1 publication Critical patent/EP1739217A1/en
Application granted granted Critical
Publication of EP1739217B1 publication Critical patent/EP1739217B1/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/52—Thread-feeding devices for straight-bar knitting machines

Definitions

  • the invention relates to a device for supplying the amount of yarn currently required for each phase of the knitting process to a yarn guide of a knitting machine and for receiving a yarn amount, which arranged between a yarn package and the yarn feeder Fournisseur as a means for storing a yarn amount and means for yarn delivery to the yarn guide and away from this.
  • the known device has a feeder with a winding ring through which a thread is withdrawn from a bobbin and wound onto the winding body of the feeder.
  • a fixed in the vertical direction thread eyelet is arranged on a rotatable winding arm, which unwinds the determined for the current knitting process by the machine control thread amount from the winding body.
  • the distance between the thread eye and the last thread winding on the winding body is different. This can lead to differences between the calculated and actually delivered amount of thread and therefore to thread tension changes.
  • the present invention is based on the object to improve the known device to the effect that the actually supplied amount of thread is independent of the wound on the bobbin thread amount.
  • the object is achieved with a device of the type mentioned according to the invention that the means for yarn delivery and a winding body of the feeder are arranged to be movable relative to each other in the longitudinal direction of the winding body.
  • the means for yarn delivery can be positioned according to the current winding state of the bobbin precisely positioned, d. H. always at the height of the last thread winding on the winding body.
  • the means for conveying the thread may comprise a thread eyelet, which is movable in both directions of rotation in a circular movement about the winding body, wherein at least the eyelet is arranged in the longitudinal direction of the winding body relative to this movable.
  • the thread eyelet can be simultaneously movable in the longitudinal direction of the winding body and in a circular movement about the winding body or only in the longitudinal direction of the winding body or only in a circular movement about the winding body.
  • the thread eye can be moved so that the amount of thread remains constant.
  • the speed of the circular movement and the movement in the longitudinal direction of the winding body can preferably be coordinated with one another such that closely adjacent thread windings are formed on the winding body.
  • each thread winding has the same diameter, and the storage capacity of the winding body can be optimally utilized.
  • the yarn eyelet For unwinding of thread from the winding body, the yarn eyelet can be moved in each case to the yarn winding to be unwound along the winding body, so that the thread unwinding takes place with exactly predetermined amount of thread.
  • the configuration of the wound body can also be used to keep the thread tension constant.
  • the winding body having a first region, on the thread of a winding ring of the Suppliers can be wound up, but from which no thread can be unwound from the means for conveying the thread and at which a second area adjoins, unwound from the thread by the means for thread feeding and can be wound on the thread by these means.
  • the first area guarantees that there is always a predefined number of thread windings on the winding body. If all thread were unwound from the bobbin, the yarn would extend directly from the bobbin to the means for promoting the thread and thus no metered amount of thread more can be fed to the knitting process.
  • the path of the means for conveying the thread in the longitudinal direction of the winding body can be limited from the outset.
  • a third region can adjoin the second region, on which thread can be wound up and unwound from the means for thread conveying, if the second region is completely covered with thread.
  • the third area thus acts as a buffer for the second area.
  • a device for determining the amount of thread may be provided, which is coupled to the drive of the means for thread feeding. With this device can receive relevant data for winding and unwinding of the thread from a machine control unit, processed taking into account the winding state of the bobbin and the relative position of the means for yarn delivery to the bobbin and transmitted to the drive of the means for yarn delivery to its control.
  • the device 1 for supplying the amount of yarn currently required for each phase of the knitting operation to a yarn guide 11 and for receiving a yarn amount comprises a feeder 2, which is arranged between a yarn package 10 and the yarn guide 11.
  • means 3 are provided for yarn delivery to the yarn guide 11.
  • the means for thread feeding 3 are connected to the feeder 2 by a holder 4.
  • a schematically illustrated adjusting device 40 is provided in the holder 4. With their help, the means 3 can be adjusted in the longitudinal direction of a bobbin 25 of the feeder 2.
  • the means for thread delivery 3 have a thread eye 33, which is arranged on an arm 32.
  • the arm 32 is rotatable by means of an electric motor 31.
  • the eyelet 33 can perform circular movements in both directions about the winding body 25 and thus wind up yarn on the winding body 25 and unwind from it.
  • the thread eye 33 can also move linearly along the winding body 25 in the direction of arrow U and D of the double arrow 34.
  • the feeder 2 has a winding body 25, a winding ring 22 and an electric motor 21.
  • the winding body 25 is divided in the longitudinal direction into the areas A, B and C.
  • the adjusting device 40 is adjusted so that the eyelet 33 can move only within the areas B and C.
  • the winding ring 22 is driven with an eyelet 24 in the direction of the arrow 23, whereby thread 100 is withdrawn from the thread bobbin 10 and wound from the area A on the rigid cylindrical bobbin 25.
  • These thread windings are pushed by not shown means as closely adjacent thread windings 26 over the area A on the area B on.
  • the electric motor 21 is driven so that there is always a predetermined number of thread windings 26 on the areas A and B of the winding body 25. As a result, stresses in the thread, which may have occurred during winding of the bobbin 10, be compensated.
  • the area C serves as a buffer when the area B is completely occupied with thread windings 26.
  • the adjusting device 40 may, for example, have a toothed rack 46 which is adjusted via a pinion 42 by an electric motor 41. As a result, the thread eyelet 33 of the thread-feeding means 3 can be moved along the winding body 25 in the regions B and C.
  • the adjustment device 40 also has sensors 43, 44, 45, the sensor 43 detecting the lower end of the region C, the sensor 44 detecting the lower end of the region B, and the sensor 45 detecting the upper end of the region B.
  • the thread eye 33 can be adjusted via the arm 32 by the adjusting device 40 simultaneously in the direction of the double arrow 34, while they circulate around the winding body 25 executes.
  • the speed of the linear movements along the double arrow 34 depends on the angular velocity of the thread eye 33. This ensures that the position of the thread eye 33 with respect to the winding body 25 corresponds to the position of the straight wound or wound thread windings 26 on the winding body 25 and the position of the individual thread windings 26 when unwinding or winding on the winding body 25 is precisely defined ,
  • the eyelet 33 When the eyelet 33 reaches the limit of the area A, its vertical movement is stopped. At the same time a predetermined amount of thread is withdrawn from the bobbin 10 and wound on the winding body 25 by the winding ring 22 again. If no thread is fed to the thread guide 11 during this winding of thread through the winding ring 22, the thread eye 33 does not make any circular movement and is linearly adjusted only by the adjusting device 40 in the direction D of the double arrow 34 as a function of the winding speed of the winding ring 22.
  • the thread eyelet 33 performs circular movements at the appropriate speed for unwinding of thread and is simultaneously adjusted by the adjusting device 40 in the direction of the double arrow 34 .
  • the direction of the circular movements and linear movements of the eyelet 33 depends on whether they thread on the bobbin 25 off or wound and whether the winding ring 22 windings on the bobbin 25 applies, while the eyelet 33 the yarn guide 11 feeds thread.
  • the thread eye moves In the opposite case, the thread eye moves in the direction U of the double arrow 34.
  • the winding and winding a required for the current knitting process amount of thread and rewinding a larger, previously unwound amount of thread to the bobbin 25 through the Thread loop 33 can be made at any position of the thread eye 33 to the winding body 25 within the range B. If the entire area B is already filled with thread windings 26 and already unwound thread is to be wound up again, ie the case shown in FIG. 2, the area C is available as a buffer. He can record a thread amount that corresponds to the width of the needle space of the knitting machine. During the unwinding or winding of thread in the area C, the winding of thread through the winding ring 22 is interrupted at least until no more thread windings 26 are present in the area C.
  • a control unit 6 For controlling the above-described operations, a control unit 6 is provided.
  • the control unit 6 calculates the data required for moving the adjusting device 40 by the electric motor 41. It receives from a control unit 7 via a data line D2 information about the speed and the direction of rotation of the electric motor 31 of the means for thread feeding 3 when unwinding or winding thread by means of the thread eye 33.
  • the control unit 7 receives from a machine control unit 8 for the Unwinding and winding of the thread required, calculated data via a data line D1. Subsequently, the control unit 7 controls the electric motor 31 via a control signal line D3 in accordance with this data.
  • a control unit 27 of the electric motor 21 of the feeder 2 supplies data about a data line D6 as to whether the electric motor 21 is active or not.
  • the sensors 43, 44 and 45 provide via a data line D4 information about the achievement of certain positions by the adjusting device 40 to the control unit 6. After processing these data corresponding speed and direction information is transmitted to the electric motor 41 of the adjusting device 40 via a control line D5.
  • the device 1 shown in FIGS. 1 and 2 has means for yarn delivery 3, which are movable along the fixed bobbin 25.
  • the invention can also be realized if the means for thread feeding 3 are fixed and the winding body 25 moves in the direction of its longitudinal axis.
  • Fig. 1 the path is shown, the thread 100, 100 ', 100 "travels from the bobbin 10 to its processing by the knitting needles, not shown here in the needle room NR.
  • the thread 100 has 10 different voltages due to irregularities in the winding of the bobbin. It is guided via a deflection roller U1, a thread breakage sensor 15 and a second deflection roller U2 through a hollow axis of the feeder 2 and wound on the area A of the winding body 25 by means of the winding ring 22 first, so that the different voltages of the thread 100 are compensated.
  • the thread windings 26 generated by the winding ring 22 are moved by transport means not shown here in the longitudinal direction of the winding body 25 down.
  • the winding through the winding ring 22 is continued until a predetermined number of thread windings 26 also reach the area B of the winding body 25. These thread windings 26 If necessary, they are unwound through the eyelet 33 in accordance with the knitting program.
  • the unwound through the yarn eye 33 thread passes through a guide roller U3, a hollow shaft of the means for thread feeding 3, the thread breakage sensor 15 and pulleys U4 and U5 to the yarn guide 11, which leads the yarn 100 'to the needles of the just-made knit fabric in the needle room NR.
  • the yarn guide 11 moved away in the direction of arrow X from the device 1 and is now in its farthest positions to the device 1.
  • a cutting device 12 shown schematically, the thread 11 supplied by the needles of the needle chamber NR thread is cut off and clamped in the yarn guide 11 by a device, not shown.
  • the thread guide thus separated from the thread feed to the needles in the needle space NR can now be moved to any desired location in the needle space NR and feed the needles located there.
  • Fig. 2 shows an example of the winding of a larger, previously unwound amount of thread on the winding body 25.
  • the amount of thread corresponds to the width of the needle space NR.
  • the thread guide whose thread has been cut off and clamped (Fig. 1), has been moved in the example shown in the direction of the arrow X 'to the device 1 and is now in its next possible position to this. But it could also be moved according to the desired shape, color and the like of the knitted piece to be formed to any other arbitrary position in the needle room NR.
  • the excess thread 100 "that has been displaced by this movement of the thread guide 11 onto the device 1 has been wound in precise position onto the winding body 25 by the thread eye 33 and the adjusting device 40.
  • the winding ring 22 has already wound up so many thread windings 26 on the winding body 25 that its region B is filled with yarn windings 26 up to the transition to the region C.
  • the thread eye 33 has also wound up in the region C, which serves as a buffer.
  • the thread eyelet 33 was moved with the arm 32 during winding in the direction D of the double arrow 34 and is now at the extreme end of the area C. It is now no longer wound thread through the winding ring 22 on the winding body 25 until the yarn guide 11 the needle space NR again feeds thread and thread windings 26 are also handled in the area B of the bobbin 25 through the eyelet 33.
  • the cut thread end of a schematically illustrated clamping device 13 is supplied. This has a defined distance Z to the first needle, the thread to be supplied on. The so clamped thread can be safely inserted into the hook of the first needle, the thread is to be inserted. In the example shown, this is the first needle in the needle chamber NR, which is in the next possible position to the device 1. The beginning of the renewed yarn feed through the yarn guide 11 can also take place at any other position in the needle room NR.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Abstract

The device has a thread regulating wheel (2) arranged between a thread spool (10) and a thread guide (11) for storing an amount of thread, and a thread feeding unit (3) for feeding thread to the guide. The feeding unit and a winding body (25) of the wheel are movably arranged relative to each other in a longitudinal direction of the body. The amount of the thread pulled from the spool is wound up at the body and provided to the feeding unit.

Description

Die Erfindung betrifft eine Vorrichtung zur Lieferung der für jede Phase des Strickvorgangs gerade erforderlichen Fadenmenge an einen Fadenführer einer Strickmaschine und zum Aufnehmen einer Fadenmenge, die einen zwischen einer Fadenspule und dem Fadenführer angeordneten Fournisseur als Mittel zur Speicherung einer Fadenmenge und Mittel zur Fadenförderung zum Fadenführer und von diesem weg aufweist.The invention relates to a device for supplying the amount of yarn currently required for each phase of the knitting process to a yarn guide of a knitting machine and for receiving a yarn amount, which arranged between a yarn package and the yarn feeder Fournisseur as a means for storing a yarn amount and means for yarn delivery to the yarn guide and away from this.

Auf modernen Flachstrickmaschinen werden vielfach Gestrickstücke hergestellt, deren Teile, z. B. Ärmel, Brustteil und Rückenteil, alle in einem einzigen Strickprozess gebildet und miteinander verbunden werden, sodass anschließend nur noch wenige Versäuberungsarbeiten zur Fertigstellung des Gestrickstücks durchgeführt werden müssen.On modern flat knitting machines many knitted pieces are produced, their parts, for. As sleeve, chest part and back part, all formed in a single knitting process and connected to each other, so that then only a few Versuberuberungsarbeiten must be carried out to complete the knitted piece.

Insbesondere bei der Herstellung solcher Gestrickstücke ist es erforderlich, dass alle Artikel, die in einer bestimmten Konfektionsgröße gefertigt werden, in allen Bereichen gleich groß sind. Dies ist nur möglich, wenn alle Bereiche dieser Artikel wie Ärmel, Brust- und Rückenteil mit der gleichen Maschengröße gestrickt werden. Die Maschengröße hängt neben der Kuliertiefe auch von der Fadenmenge und der daraus resultierenden Fadenspannung ab.In particular, in the production of such knitted pieces, it is necessary that all items that are made in a certain clothing size, are the same size in all areas. This is only possible if all areas of this article such as sleeves, chest and back with knit the same mesh size. The mesh size depends not only on the depth of the embedding but also on the amount of thread and the resulting thread tension.

In der EP-Patentanmeldung 04008159.8 ist eine Vorrichtung beschrieben, mit der es möglich ist, in jeder Phase des Maschenbildungsprozesses die tatsächlich aktuell benötigte Fadenmenge zu liefern sowie eine Fadenmenge aufzunehmen, die beispielsweise bei der Umkehr des Fadenführers zur Spule hin entsteht.In the EP patent application 04008159.8 a device is described, with which it is possible to deliver in each phase of the stitch formation process actually required amount of thread as well as to record a quantity of thread that arises, for example, in the reversal of the thread guide to the coil out.

Die bekannte Vorrichtung besitzt einen Fournisseur mit einem Wickelring, durch den ein Faden von einer Fadenspule abgezogen und auf den Wickelkörper des Fournisseurs aufgewickelt wird. An der Unterseite des Fournisseurs ist an einem rotierbaren Wickelarm eine in vertikaler Richtung unbewegliche Fadenöse angeordnet, die die für den aktuellen Strickprozess von der Maschinensteuerung ermittelte Fadenmenge vom Wickelkörper abwickelt. Je nach vorhandener Anzahl der Wicklungen auf dem Wickelkörper ist der Abstand zwischen der Fadenöse und der letzten Fadenwicklung auf den Wickelkörper unterschiedlich. Dies kann zu Unterschieden zwischen der errechneten und der tatsächlich gelieferten Fadenmenge und daher zu Fadenspannungsänderungen führen.The known device has a feeder with a winding ring through which a thread is withdrawn from a bobbin and wound onto the winding body of the feeder. On the underside of the feeder a fixed in the vertical direction thread eyelet is arranged on a rotatable winding arm, which unwinds the determined for the current knitting process by the machine control thread amount from the winding body. Depending on the existing number of windings on the winding body, the distance between the thread eye and the last thread winding on the winding body is different. This can lead to differences between the calculated and actually delivered amount of thread and therefore to thread tension changes.

Auch beim Aufwickeln von Faden auf den Wickelkörper durch den Wickelarm können je nach aufzuwickelnder Fadenmenge von der Fadenöse mehrere Fadenwicklungen übereinander gelegt werden, wobei die äußeren Fadenwicklungen einen größeren Durchmesser aufweisen als die innen liegenden. Dies kann ebenfalls zu Unterschieden zwischen der errechneten und tatsächlich gelieferten Fadenmenge und daher zu Fadenspannungsänderungen führen.Also, when winding thread on the winding body through the winding arm, depending on the amount of yarn to be wound from the yarn eye several thread windings are superimposed, wherein the outer thread windings have a larger diameter than the inside. This can also lead to differences between the calculated and actually supplied amount of thread and therefore to thread tension changes.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, die bekannte Vorrichtung dahingehend zu verbessern, dass die tatsächlich gelieferte Fadenmenge von der auf dem Wickelkörper aufgewickelten Fadenmenge unabhängig ist.The present invention is based on the object to improve the known device to the effect that the actually supplied amount of thread is independent of the wound on the bobbin thread amount.

Die Aufgabe wird mit einer Vorrichtung der eingangs genannten Art erfindungsgemäß dadurch gelöst, dass die Mittel zur Fadenförderung und ein Wickelkörper des Fournisseurs in Längsrichtung des Wickelkörpers relativ zueinander beweglich angeordnet sind.The object is achieved with a device of the type mentioned according to the invention that the means for yarn delivery and a winding body of the feeder are arranged to be movable relative to each other in the longitudinal direction of the winding body.

Durch die bewegliche Anordnung der Mittel zur Fadenförderung in Längsrichtung des Wickelkörpers bzw. die bewegliche Anordnung des Wickelkörpers in Bezug auf die Mittel zur Fadenförderung können die Mittel zur Fadenförderung entsprechend dem aktuellen Wickelzustand des Wickelkörpers lagegenau positioniert werden der, d. h. immer auf Höhe der letzten Fadenwicklung auf dem Wickelkörper. Dadurch lassen sich die oben beschriebenen Schwankungen in der Fadenmenge und daraus resultierend der Fadenspannung vermeiden.Due to the movable arrangement of the means for conveying the yarn in the longitudinal direction of the winding body or the movable arrangement of the winding body with respect to the means for yarn delivery, the means for yarn delivery can be positioned according to the current winding state of the bobbin precisely positioned, d. H. always at the height of the last thread winding on the winding body. As a result, the above-described fluctuations in the amount of thread and the resulting thread tension can be avoided.

Bei einer bevorzugten Ausführungsform kann auf den Wickelkörper eine von der Fadenspule abgezogene Fadenmenge aufgewickelt und von den Mitteln zur Fadenförderung an den Fadenführer abgegeben und der durch die Fadenführerbewegung auf die Vorrichtung zu nicht benötigte Faden wieder aufgenommen werden.In a preferred embodiment can be wound on the bobbin withdrawn from the bobbin thread amount and delivered by the means for conveying the thread to the thread guide and the thread to be moved by the thread guide movement to the device again not needed.

Die Mittel zur Fadenförderung können eine Fadenöse umfassen, die in beiden Rotationsrichtungen in einer Kreisbewegung um den Wickelkörper bewegbar ist, wobei mindestens die Fadenöse in Längsrichtung des Wickelkörpers relativ zu diesem beweglich angeordnet ist. Durch die Fadenöse läuft der Faden unmittelbar nachdem er den Wickelkörper verlassen hat bzw. unmittelbar bevor er auf den Wickelkörper aufgewickelt wird. Deshalb ist es wichtig, dass die Fadenöse stets so angeordnet ist, dass keine Veränderungen der Fadenmenge entstehen.The means for conveying the thread may comprise a thread eyelet, which is movable in both directions of rotation in a circular movement about the winding body, wherein at least the eyelet is arranged in the longitudinal direction of the winding body relative to this movable. Through the eyelet of the thread runs immediately after he the bobbin has left or immediately before it is wound on the bobbin. Therefore, it is important that the thread eyelet is always arranged so that no changes in the amount of thread arise.

Vorzugsweise kann die Fadenöse gleichzeitig in Längsrichtung des Wickelkörpers und in einer Kreisbewegung um den Wickelkörper oder nur in Längsrichtung des Wickelkörpers oder nur in einer Kreisbewegung um den Wickelkörper bewegbar sein. Je nach Fadenmenge, die auf- oder abzuwickeln ist, und je nach Wickelzustand des Wickelkörpers lässt sich die Fadenöse so bewegen, dass die Fadenmenge konstant bleibt.Preferably, the thread eyelet can be simultaneously movable in the longitudinal direction of the winding body and in a circular movement about the winding body or only in the longitudinal direction of the winding body or only in a circular movement about the winding body. Depending on the amount of thread that is wound or unwound, and depending on the winding state of the bobbin, the thread eye can be moved so that the amount of thread remains constant.

Zum Aufwickeln von Faden auf den Wickelkörper kann vorzugsweise die Geschwindigkeit der Kreisbewegung und der Bewegung in Längsrichtung des Wickelkörpers so aufeinander abstimmbar sein, dass eng nebeneinander liegende Fadenwicklungen auf dem Wickelkörper gebildet werden. Dadurch weist jede Fadenwicklung den gleichen Durchmesser auf, und das Speichervermögen des Wickelkörpers kann optimal ausgenutzt werden.For winding up of thread on the winding body, the speed of the circular movement and the movement in the longitudinal direction of the winding body can preferably be coordinated with one another such that closely adjacent thread windings are formed on the winding body. As a result, each thread winding has the same diameter, and the storage capacity of the winding body can be optimally utilized.

Zum Abwickeln von Faden vom Wickelkörper kann die Fadenöse jeweils zu der gerade abzuwickelnden Fadenwicklung entlang des Wickelkörpers bewegbar sein, sodass die Fadenabwicklung mit exakt vorgegebener Fadenmenge erfolgt.For unwinding of thread from the winding body, the yarn eyelet can be moved in each case to the yarn winding to be unwound along the winding body, so that the thread unwinding takes place with exactly predetermined amount of thread.

Neben der Relativbewegung zwischen Wickelkörper und den Mitteln zur Fadenförderung kann außerdem die Ausgestaltung des Wickelkörpers zum Konstanthalten der Fadenspannung herangezogen werden. So kann bei einer bevorzugten Ausführungsform der Wickelkörper einen ersten Bereich aufweisen, auf den Faden von einem Wickelring des Fournisseurs aufwickelbar ist, von dem aber kein Faden von den Mitteln zur Fadenförderung abgewickelt werden kann und an dem sich ein zweiter Bereich anschließt, von dem Faden von den Mitteln zur Fadenförderung abgewickelt und auf dem von diesen Mitteln Faden aufgewickelt werden kann. Der erste Bereich garantiert, dass auf dem Wickelkörper immer eine vorgegebene Anzahl von Fadenwicklungen vorhanden sind. Würde sämtlicher Faden vom Wickelkörper abgewickelt werden, so würde der Faden direkt von der Fadenspule zu den Mitteln zur Fadenförderung verlaufen und somit keine dosierte Fadenmenge mehr dem Strickprozess zugeführt werden können.In addition to the relative movement between the winding body and the means for conveying the thread, the configuration of the wound body can also be used to keep the thread tension constant. Thus, in a preferred embodiment, the winding body having a first region, on the thread of a winding ring of the Suppliers can be wound up, but from which no thread can be unwound from the means for conveying the thread and at which a second area adjoins, unwound from the thread by the means for thread feeding and can be wound on the thread by these means. The first area guarantees that there is always a predefined number of thread windings on the winding body. If all thread were unwound from the bobbin, the yarn would extend directly from the bobbin to the means for promoting the thread and thus no metered amount of thread more can be fed to the knitting process.

Zur Sicherstellung, dass die Mittel zur Fadenförderung nicht vom ersten Bereich Faden auf- oder abwickeln, kann der Weg der Mittel zur Fadenförderung in Längsrichtung des Wickelkörpers von vornherein begrenzt sein.To ensure that the means for conveying the thread does not wind or unwind from the first area of thread, the path of the means for conveying the thread in the longitudinal direction of the winding body can be limited from the outset.

An den zweiten Bereich kann sich außerdem ein dritter Bereich anschließen, auf denen von den Mitteln zur Fadenförderung Faden auf-und abwickelbar ist, wenn der zweite Bereich vollständig mit Faden belegt ist. Der dritte Bereich fungiert somit als Puffer für den zweiten Bereich.In addition, a third region can adjoin the second region, on which thread can be wound up and unwound from the means for thread conveying, if the second region is completely covered with thread. The third area thus acts as a buffer for the second area.

Zweckmäßigerweise kann eine Einrichtung zur Bestimmung der Fadenmenge vorgesehen sein, die mit dem Antrieb der Mittel zur Fadenförderung gekoppelt ist. Mit dieser Einrichtung können relevante Daten für das Auf- und Abwickeln des Fadens von einer Maschinensteuerungseinheit empfangen, unter Berücksichtigung des Wickelzustands des Wickelkörpers und der relativen Lage der Mittel zur Fadenförderung zum Wickelkörper aufbereitet und an den Antrieb der Mittel zur Fadenförderung zu dessen Ansteuerung übermittelt werden.Appropriately, a device for determining the amount of thread may be provided, which is coupled to the drive of the means for thread feeding. With this device can receive relevant data for winding and unwinding of the thread from a machine control unit, processed taking into account the winding state of the bobbin and the relative position of the means for yarn delivery to the bobbin and transmitted to the drive of the means for yarn delivery to its control.

Im Folgenden wird ein bevorzugtes Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung anhand der Zeichnung näher beschrieben.In the following, a preferred embodiment of a device according to the invention will be described in more detail with reference to the drawing.

Es zeigen:

Fig. 1
eine schematische Darstellung einer erfindungsgemäßen Vorrichtung während des Förderns von Faden zu einem Fadenführer;
Fig. 2
eine schematische Darstellung der Vorrichtung aus Fig. 1 beim Aufnehmen von Faden.
Show it:
Fig. 1
a schematic representation of a device according to the invention during the feeding of thread to a yarn guide;
Fig. 2
a schematic representation of the apparatus of Fig. 1 when picking up thread.

Die Vorrichtung 1 zur Lieferung der für jede Phase des Strickvorgangs gerade erforderlichen Fadenmenge an einen Fadenführer 11 und zum Aufnehmen einer Fadenmenge weist einen Fournisseur 2 auf, der zwischen einer Fadenspule 10 und dem Fadenführer 11 angeordnet ist. Außerdem sind Mittel 3 zur Fadenförderung an den Fadenführer 11 vorgesehen. Die Mittel zur Fadenförderung 3 sind mit dem Fournisseur 2 durch eine Halterung 4 verbunden. In der Halterung 4 ist eine schematisch dargestellte Verstelleinrichtung 40 vorgesehen. Mit ihrer Hilfe können die Mittel 3 in Längsrichtung eines Wickelkörpers 25 des Fournisseurs 2 verstellt werden. Die Mittel zur Fadenförderung 3 weisen eine Fadenöse 33 auf, die an einem Arm 32 angeordnet ist. Der Arm 32 ist mithilfe eines Elektromotors 31 rotierbar. Dadurch kann die Fadenöse 33 Kreisbewegungen in beiden Richtungen um den Wickelkörper 25 ausführen und damit Faden auf den Wickelkörper 25 aufwickeln und von ihm abwickeln. Durch die Verstelleinrichtung 40 lässt sich die Fadenöse 33 außerdem linear entlang des Wickelkörpers 25 in Pfeilrichtung U und D des Doppelpfeils 34 bewegen.The device 1 for supplying the amount of yarn currently required for each phase of the knitting operation to a yarn guide 11 and for receiving a yarn amount comprises a feeder 2, which is arranged between a yarn package 10 and the yarn guide 11. In addition, means 3 are provided for yarn delivery to the yarn guide 11. The means for thread feeding 3 are connected to the feeder 2 by a holder 4. In the holder 4, a schematically illustrated adjusting device 40 is provided. With their help, the means 3 can be adjusted in the longitudinal direction of a bobbin 25 of the feeder 2. The means for thread delivery 3 have a thread eye 33, which is arranged on an arm 32. The arm 32 is rotatable by means of an electric motor 31. As a result, the eyelet 33 can perform circular movements in both directions about the winding body 25 and thus wind up yarn on the winding body 25 and unwind from it. By the adjusting device 40, the thread eye 33 can also move linearly along the winding body 25 in the direction of arrow U and D of the double arrow 34.

Der Fournisseur 2 weist einen Wickelkörper 25, einen Wickelring 22 sowie einen Elektromotor 21 auf. Der Wickelkörper 25 ist in Längsrichtung in die Bereiche A, B und C aufgeteilt. Die Verstelleinrichtung 40 ist so eingestellt, dass sich die Fadenöse 33 nur innerhalb der Bereiche B und C bewegen kann. Mit dem Elektromotor 21 wird der Wickelring 22 mit einer Öse 24 in Richtung des Pfeils 23 angetrieben, wodurch Faden 100 von der Fadenspule 10 abgezogen und ab dem Bereich A auf den starren, zylindrischen Wickelkörper 25 aufgewickelt wird. Diese Fadenwicklungen werden durch nicht dargestellte Mittel als eng nebeneinander liegende Fadenwicklungen 26 über den Bereich A auf den Bereich B weiter geschoben. Der Elektromotor 21 wird so angesteuert, dass sich ständig eine vorgegebene Anzahl von Fadenwicklungen 26 auf den Bereichen A und B des Wickelkörpers 25 befindet. Dadurch können Spannungen im Faden, die beim Wickeln der Fadenspule 10 entstanden sein können, ausgeglichen werden. Der Bereich C dient als Puffer, wenn der Bereich B vollständig mit Fadenwicklungen 26 belegt ist.The feeder 2 has a winding body 25, a winding ring 22 and an electric motor 21. The winding body 25 is divided in the longitudinal direction into the areas A, B and C. The adjusting device 40 is adjusted so that the eyelet 33 can move only within the areas B and C. With the electric motor 21, the winding ring 22 is driven with an eyelet 24 in the direction of the arrow 23, whereby thread 100 is withdrawn from the thread bobbin 10 and wound from the area A on the rigid cylindrical bobbin 25. These thread windings are pushed by not shown means as closely adjacent thread windings 26 over the area A on the area B on. The electric motor 21 is driven so that there is always a predetermined number of thread windings 26 on the areas A and B of the winding body 25. As a result, stresses in the thread, which may have occurred during winding of the bobbin 10, be compensated. The area C serves as a buffer when the area B is completely occupied with thread windings 26.

Die Verstelleinrichtung 40 kann beispielsweise eine Zahnstange 46 aufweisen, die über ein Ritzel 42 durch einen Elektromotor 41 verstellt wird. Dadurch kann die Fadenöse 33 der Mittel zur Fadenförderung 3 entlang des Wickelkörpers 25 in den Bereichen B und C bewegt werden. Die Verstelleinrichtung 40 weist außerdem Sensoren 43, 44, 45 auf, wobei der Sensor 43 das untere Ende des Bereichs C, der Sensor 44 das untere Ende des Bereichs B und der Sensor 45 das obere Ende des Bereichs B detektiert.The adjusting device 40 may, for example, have a toothed rack 46 which is adjusted via a pinion 42 by an electric motor 41. As a result, the thread eyelet 33 of the thread-feeding means 3 can be moved along the winding body 25 in the regions B and C. The adjustment device 40 also has sensors 43, 44, 45, the sensor 43 detecting the lower end of the region C, the sensor 44 detecting the lower end of the region B, and the sensor 45 detecting the upper end of the region B.

Beim Auf- oder Abwickeln einer für den aktuellen Strickprozess errechneten Fadenmenge kann die Fadenöse 33 über den Arm 32 durch die Verstelleinrichtung 40 gleichzeitig in Richtung des Doppelpfeil 34 verstellt werden, während sie Kreisbewegungen um den Wickelkörper 25 ausführt. Die Geschwindigkeit der Linearbewegungen entlang dem Doppelpfeil 34 hängt dabei von der Winkelgeschwindigkeit der Fadenöse 33 ab. Damit wird gewährleistet, dass die Position der Fadenöse 33 in Bezug auf den Wickelkörper 25 der Position der gerade ab- oder aufgewickelten Fadenwicklungen 26 auf den Wickelkörper 25 entspricht und die Lage der einzelnen Fadenwicklungen 26 beim Ab- oder Aufwickeln auf den Wickelkörper 25 genau definiert ist.When winding or unwinding a calculated amount of yarn for the current knitting process, the thread eye 33 can be adjusted via the arm 32 by the adjusting device 40 simultaneously in the direction of the double arrow 34, while they circulate around the winding body 25 executes. The speed of the linear movements along the double arrow 34 depends on the angular velocity of the thread eye 33. This ensures that the position of the thread eye 33 with respect to the winding body 25 corresponds to the position of the straight wound or wound thread windings 26 on the winding body 25 and the position of the individual thread windings 26 when unwinding or winding on the winding body 25 is precisely defined ,

Erreicht die Fadenöse 33 die Grenze zum Bereich A, wird ihre Vertikalbewegung gestoppt. Gleichzeitig wird durch den Wickelring 22 wieder eine vorgegebene Fadenmenge von der Fadenspule 10 abgezogen und auf den Wickelkörper 25 aufgewickelt. Wird während dieses Aufwickelns von Faden durch den Wickelring 22 dem Fadenführer 11 kein Faden zugeführt, so führt die Fadenöse 33 keine Kreisbewegung aus und wird nur durch die Verstelleinrichtung 40 in Richtung D des Doppelpfeils 34 in Abhängigkeit von der Aufwickelgeschwindigkeit des Wickelrings 22 linear verstellt. Wird dagegen während des Aufwickeln von Faden durch den Wickelring 22 dem Fadenführer 11 für den aktuellen Strickprozess ein Faden zugeführt, so führt die Fadenöse 33 Kreisbewegungen mit der entsprechenden Geschwindigkeit zum Abwickeln von Faden aus und wird gleichzeitig durch die Verstelleinrichtung 40 in Richtung des Doppelpfeils 34 verstellt. Die Richtung der Kreisbewegungen und Linearbewegungen der Fadenöse 33 hängt davon ab, ob sie Faden auf den Wickelkörper 25 ab- oder aufwickelt und ob der Wickelring 22 Wicklungen auf den Wickelkörper 25 aufbringt, während die Fadenöse 33 dem Fadenführer 11 Faden zuführt.When the eyelet 33 reaches the limit of the area A, its vertical movement is stopped. At the same time a predetermined amount of thread is withdrawn from the bobbin 10 and wound on the winding body 25 by the winding ring 22 again. If no thread is fed to the thread guide 11 during this winding of thread through the winding ring 22, the thread eye 33 does not make any circular movement and is linearly adjusted only by the adjusting device 40 in the direction D of the double arrow 34 as a function of the winding speed of the winding ring 22. If, however, during the winding of thread through the winding ring 22 to the yarn guide 11 for the current knitting process fed a thread, the thread eyelet 33 performs circular movements at the appropriate speed for unwinding of thread and is simultaneously adjusted by the adjusting device 40 in the direction of the double arrow 34 , The direction of the circular movements and linear movements of the eyelet 33 depends on whether they thread on the bobbin 25 off or wound and whether the winding ring 22 windings on the bobbin 25 applies, while the eyelet 33 the yarn guide 11 feeds thread.

Falls die Wickelgeschwindigkeit des Wickelrings 22 größer als die Abwickelgeschwindigkeit der Fadenöse 33 ist, so bewegt sich die Fadenöse 33 in Richtung D des Doppelpfeils 34. Im umgekehrten Fall bewegt sich die Fadenöse in Richtung U des Doppelpfeils 34. Das Ab- und Aufwickeln einer für den aktuellen Strickprozess benötigten Fadenmenge und das erneute Aufwickeln einer größeren, zuvor abgewickelten Fadenmenge auf den Wickelkörper 25 durch die Fadenöse 33 kann an jeder beliebigen Position der Fadenöse 33 zum Wickelkörper 25 innerhalb des Bereichs B erfolgen. Falls der gesamte Bereich B bereits mit Fadenwicklungen 26 gefüllt ist und bereits abgewickelter Faden wieder aufgewickelt werden soll, also der Fall, der in Fig. 2 gezeigt ist, so steht der Bereich C als Puffer zur Verfügung. Er kann eine Fadenmenge aufnehmen, die der Breite des Nadelraums der Strickmaschine entspricht. Während des Ab- oder Aufwickelns von Faden im Bereich C wird das Aufwickeln von Faden durch den Wickelring 22 mindestens solange unterbrochen, bis im Bereich C keine Fadenwicklungen 26 mehr vorhanden sind.If the winding speed of the winding ring 22 is greater than the unwinding speed of the thread eye 33, the thread eye moves In the opposite case, the thread eye moves in the direction U of the double arrow 34. The winding and winding a required for the current knitting process amount of thread and rewinding a larger, previously unwound amount of thread to the bobbin 25 through the Thread loop 33 can be made at any position of the thread eye 33 to the winding body 25 within the range B. If the entire area B is already filled with thread windings 26 and already unwound thread is to be wound up again, ie the case shown in FIG. 2, the area C is available as a buffer. He can record a thread amount that corresponds to the width of the needle space of the knitting machine. During the unwinding or winding of thread in the area C, the winding of thread through the winding ring 22 is interrupted at least until no more thread windings 26 are present in the area C.

Zur Steuerung der oben beschriebenen Vorgänge ist eine Steuereinheit 6 vorgesehen. Die Steuereinheit 6 berechnet die für das Bewegen der Verstelleinrichtung 40 durch den Elektromotor 41 benötigten Daten. Sie erhält dazu von einer Steuereinheit 7 über eine Datenleitung D2 Angaben über die Drehzahl und die Drehrichtung des Elektromotors 31 der Mittel zur Fadenförderung 3 beim Ab- oder Aufwickeln von Faden mittels der Fadenöse 33. Die Steuereinheit 7 wiederum erhält von einer Maschinensteuerungseinheit 8 die für das Ab- und Aufwickeln des Fadens benötigten, errechneten Daten über eine Datenleitung D1. Anschließend steuert die Steuereinheit 7 den Elektromotor 31 über eine Steuersignalleitung D3 entsprechend dieser Daten an.For controlling the above-described operations, a control unit 6 is provided. The control unit 6 calculates the data required for moving the adjusting device 40 by the electric motor 41. It receives from a control unit 7 via a data line D2 information about the speed and the direction of rotation of the electric motor 31 of the means for thread feeding 3 when unwinding or winding thread by means of the thread eye 33. The control unit 7 in turn receives from a machine control unit 8 for the Unwinding and winding of the thread required, calculated data via a data line D1. Subsequently, the control unit 7 controls the electric motor 31 via a control signal line D3 in accordance with this data.

Eine Steuereinheit 27 des Elektromotors 21 des Fournisseurs 2 liefert über eine Datenleitung D6 Angaben darüber, ob der Elektromotor 21 aktiv ist oder nicht. Die Sensoren 43, 44 und 45 liefern über eine Datenleitung D4 Informationen über das Erreichen bestimmter Positionen durch die Verstelleinrichtung 40 an die Steuereinheit 6. Nach Verarbeitung dieser Daten werden über eine Steuerleitung D5 entsprechende Drehzahl- und Drehrichtungsinformationen an den Elektromotor 41 der Verstellvorrichtung 40 übermittelt.A control unit 27 of the electric motor 21 of the feeder 2 supplies data about a data line D6 as to whether the electric motor 21 is active or not. The sensors 43, 44 and 45 provide via a data line D4 information about the achievement of certain positions by the adjusting device 40 to the control unit 6. After processing these data corresponding speed and direction information is transmitted to the electric motor 41 of the adjusting device 40 via a control line D5.

Die in den Fig. 1 und 2 gezeigte Vorrichtung 1 weist Mittel zur Fadenförderung 3 auf, die entlang dem feststehenden Wickelkörper 25 bewegbar sind. Die Erfindung lässt sich jedoch auch verwirklichen, wenn die Mittel zur Fadenförderung 3 feststehen und sich der Wickelkörper 25 in Richtung seiner Längsachse bewegt.The device 1 shown in FIGS. 1 and 2 has means for yarn delivery 3, which are movable along the fixed bobbin 25. However, the invention can also be realized if the means for thread feeding 3 are fixed and the winding body 25 moves in the direction of its longitudinal axis.

In Fig. 1 ist der Weg dargestellt, den der Faden 100, 100', 100" von der Fadenspule 10 bis zu seiner Verarbeitung durch die hier nicht dargestellten Stricknadeln im Nadelraum NR zurücklegt.In Fig. 1, the path is shown, the thread 100, 100 ', 100 "travels from the bobbin 10 to its processing by the knitting needles, not shown here in the needle room NR.

Der Faden 100 weist durch Unregelmäßigkeiten beim Wickeln der Fadenspule 10 unterschiedliche Spannungen aus. Er wird über eine Umlenkrolle U1, einen Fadenbruchsensor 15 und eine zweite Umlenkrolle U2 durch eine Hohlachse des Fournisseurs 2 geführt und mithilfe des Wickelrings 22 zuerst auf den Bereich A des Wickelkörpers 25 aufgewickelt, damit die unterschiedlichen Spannungen des Fadens 100 ausgeglichen werden. Die vom Wickelring 22 erzeugten Fadenwicklungen 26 werden durch hier nicht näher dargestellte Transporteinrichtungen in Längsrichtung des Wickelkörpers 25 nach unten bewegt. Das Aufwickeln durch den Wickelring 22 wird solange fortgesetzt, bis eine vorbestimmte Anzahl an Fadenwicklungen 26 auch in den Bereich B des Wickelkörpers 25 gelangen. Diese Fadenwicklungen 26 werden bei Bedarf entsprechend dem Strickprogramm durch die Fadenöse 33 abgewickelt.The thread 100 has 10 different voltages due to irregularities in the winding of the bobbin. It is guided via a deflection roller U1, a thread breakage sensor 15 and a second deflection roller U2 through a hollow axis of the feeder 2 and wound on the area A of the winding body 25 by means of the winding ring 22 first, so that the different voltages of the thread 100 are compensated. The thread windings 26 generated by the winding ring 22 are moved by transport means not shown here in the longitudinal direction of the winding body 25 down. The winding through the winding ring 22 is continued until a predetermined number of thread windings 26 also reach the area B of the winding body 25. These thread windings 26 If necessary, they are unwound through the eyelet 33 in accordance with the knitting program.

Der durch die Fadenöse 33 abgewickelte Faden gelangt über eine Umlenkrolle U3, eine Hohlwelle der Mittel zur Fadenförderung 3, den Fadenbruchsensor 15 und Umlenkrollen U4 und U5 zum Fadenführer 11, der den Faden 100' zu den Nadeln des gerade gefertigten Gestricks im Nadelraum NR führt. Im dargestellten Beispiel bewegte sich der Fadenführer 11 in Richtung des Pfeils X von der Vorrichtung 1 weg und befindet sich jetzt in seiner entferntesten Positionen zur Vorrichtung 1. Durch eine schematisch dargestellte Schneideinrichtung 12 wird der von Fadenführer 11 den Nadeln des Nadelraums NR zugeführte Faden abgeschnitten und im Fadenführer 11 durch eine nicht dargestellte Vorrichtung geklemmt. Der so von der Fadenzufuhr zu den Nadeln im Nadelraum NR getrennte Fadenführer kann jetzt an jede beliebige Stelle im Nadelraum NR verschoben werden und den sich dort befindenden Nadeln Faden zuführen.The unwound through the yarn eye 33 thread passes through a guide roller U3, a hollow shaft of the means for thread feeding 3, the thread breakage sensor 15 and pulleys U4 and U5 to the yarn guide 11, which leads the yarn 100 'to the needles of the just-made knit fabric in the needle room NR. In the example shown, the yarn guide 11 moved away in the direction of arrow X from the device 1 and is now in its farthest positions to the device 1. By a cutting device 12, shown schematically, the thread 11 supplied by the needles of the needle chamber NR thread is cut off and clamped in the yarn guide 11 by a device, not shown. The thread guide thus separated from the thread feed to the needles in the needle space NR can now be moved to any desired location in the needle space NR and feed the needles located there.

Im in Fig. 1 gezeigten Beispiel wurden alle Fadenwicklungen 26 im Bereich B abgewickelt, ohne dass der Wickelring 22 neue Fadenwicklungen 26 auf den Wickelkörper 25 aufgewickelt hat. Dadurch befindet sich die Fadenöse 33 in ihrer obersten Positionen des Bereichs B. Es müssen nun vor Beginn der nächsten Fadenlieferung an Nadeln im Nadelraum NR durch den Wickelring 22 mindestens so viele neue Fadenwicklungen 26 auf den Wickelkörper 25 aufgewickelt werden, dass die Fadenöse 33 ohne Unterbrechung die von der Maschinensteuereinheit 8 errechnete Fadenmenge für den aktuellen Strickprozess liefern kann.In the example shown in FIG. 1, all the thread windings 26 were unwound in region B without the winding ring 22 having wound new thread windings 26 onto the winding body 25. As a result, the thread eyelet 33 is in its uppermost positions of the area B. It must now be wound on the winding body 25 at least as many new thread windings 26 before the next thread delivery to needles in the needle room NR through the winding ring 22, that the thread eye 33 without interruption can supply the amount of yarn calculated by the machine control unit 8 for the current knitting process.

Fig. 2 zeigt beispielhaft das Aufwickeln einer größeren, zuvor abgewickelten Fadenmenge auf den Wickelkörper 25. Die Fadenmenge entspricht dabei der Breite des Nadelraums NR.Fig. 2 shows an example of the winding of a larger, previously unwound amount of thread on the winding body 25. The amount of thread corresponds to the width of the needle space NR.

Der Fadenführer, dessen Faden abgeschnitten wurde und geklemmt ist (Fig. 1), wurde im gezeigten Beispiel in Richtung des Pfeils X' zur Vorrichtung 1 hin verschoben und befindet sich nun in seiner nächstmöglichen Position zu dieser. Er könnte aber auch entsprechend der gewünschten Form, Farbe und dergleichen des zu bildenden Gestrickstücks an jede andere beliebige Position im Nadelraum NR verschoben werden. Der durch dieses Verschieben des Fadenführers 11 auf die Vorrichtung 1 zu überschüssige Faden 100" wurde durch die Fadenöse 33 und die Verstelleinrichtung 40 lagegenau auf den Wickelkörper 25 aufgewickelt.The thread guide, whose thread has been cut off and clamped (Fig. 1), has been moved in the example shown in the direction of the arrow X 'to the device 1 and is now in its next possible position to this. But it could also be moved according to the desired shape, color and the like of the knitted piece to be formed to any other arbitrary position in the needle room NR. The excess thread 100 "that has been displaced by this movement of the thread guide 11 onto the device 1 has been wound in precise position onto the winding body 25 by the thread eye 33 and the adjusting device 40.

Im dargestellten Beispiel hat der Wickelring 22 bereits so viele Fadenwicklungen 26 auf den Wickelkörper 25 aufgewickelt, dass dessen Bereich B bis zum Übergang zum Bereich C mit Fadenwicklungen 26 gefüllt ist. Dadurch hat die Fadenöse 33 auch im Bereich C, der als Puffer dient, Faden aufgewickelt. Die Fadenöse 33 wurde dabei mit dem Arm 32 während des Aufwickelns in Richtung D des Doppelpfeils 34 bewegt und befindet sich jetzt am äußersten Ende des Bereichs C. Es wird nun solange kein Faden mehr durch den Wickelring 22 auf den Wickelkörper 25 aufgewickelt, bis der Fadenführer 11 dem Nadelraum NR wieder Faden zuführt und Fadenwicklungen 26 auch im Bereich B des Wickelkörpers 25 durch die Fadenöse 33 abgewickelt werden.In the example illustrated, the winding ring 22 has already wound up so many thread windings 26 on the winding body 25 that its region B is filled with yarn windings 26 up to the transition to the region C. As a result, the thread eye 33 has also wound up in the region C, which serves as a buffer. The thread eyelet 33 was moved with the arm 32 during winding in the direction D of the double arrow 34 and is now at the extreme end of the area C. It is now no longer wound thread through the winding ring 22 on the winding body 25 until the yarn guide 11 the needle space NR again feeds thread and thread windings 26 are also handled in the area B of the bobbin 25 through the eyelet 33.

Zu Beginn einer erneuten Fadenzufuhr zu den Nadeln im Nadelraum NR wird das abgeschnittene Fadenende einer schematisch dargestellten Klemmeinrichtung 13 zugeführt. Diese weist einen definierten Abstand Z zur ersten Nadel, der Faden zugeführt werden soll, auf. Der so geklemmte Faden kann sicher in den Haken der ersten Nadel, der Faden zugeführt werden soll, eingelegt werden. Im dargestellten Beispiel ist dies die erste Nadel im Nadelraum NR, die sich in der nächstmöglichen Position zur Vorrichtung 1 befindet. Der Beginn der erneuten Fadenzufuhr durch den Fadenführer 11 kann aber auch an jeder anderen Position im Nadelraum NR erfolgen.At the beginning of a renewed yarn feed to the needles in the needle chamber NR, the cut thread end of a schematically illustrated clamping device 13 is supplied. This has a defined distance Z to the first needle, the thread to be supplied on. The so clamped thread can be safely inserted into the hook of the first needle, the thread is to be inserted. In the example shown, this is the first needle in the needle chamber NR, which is in the next possible position to the device 1. The beginning of the renewed yarn feed through the yarn guide 11 can also take place at any other position in the needle room NR.

Claims (10)

Vorrichtung zur Lieferung der für jede Phase des Strickvorgangs gerade erforderlichen Fadenmenge an einen Fadenführer (11) einer Strickmaschine und zum Aufnehmen einer Fadenmenge, die einen zwischen einer Fadenspule (10) und dem Fadenführer (11) angeordneten Fournisseur (2) als Mittel zur Speicherung einer Fadenmenge und Mittel zur Fadenförderung zum Fadenführer und von diesem weg aufweist, dadurch gekennzeichnet, dass die Mittel zur Fadenförderung und ein Wickelkörper (25) des Fournisseurs (2) in Längsrichtung des Wickelkörpers (2) relativ zueinander beweglich angeordnet sind.Device for delivering the amount of yarn currently required for each phase of the knitting operation to a yarn guide (11) of a knitting machine and for receiving a yarn amount comprising a feeder (2) arranged between a yarn package (10) and the yarn guide (11) as means for storing a yarn Thread quantity and means for yarn delivery to the yarn guide and away from this, characterized in that the means for yarn delivery and a winding body (25) of the feeder (2) in the longitudinal direction of the winding body (2) are arranged to be movable relative to each other. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass auf den Wickelkörper (25) eine von der Fadenspule (10) abgezogene Fadenmenge (100) aufgewickelt und von den Mitteln zur Fadenförderung an den Fadenführer (11) abgegeben und der durch die Fadenführerbewegung auf die Vorrichtung zu nicht benötigte Faden wieder aufgenommen werden kann.Apparatus according to claim 1, characterized in that on the winding body (25) from the thread bobbin (10) withdrawn amount of thread (100) wound and discharged from the means for conveying the thread to the yarn guide (11) and by the yarn guide movement to the device Unnecessary thread can be resumed. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Mittel zur Fadenförderung eine Fadenöse (33) umfassen, die in beiden Rotationsrichtungen in einer Kreisbewegung um den Wickelkörper (25) bewegbar ist, wobei mindestens die Fadenöse (33) in Längsrichtung des Wickelkörpers (25) relativ zu diesem beweglich angeordnet ist.Apparatus according to claim 1 or 2, characterized in that the means for thread conveying comprise a thread eyelet (33) which is movable in both directions of rotation in a circular movement about the winding body (25), wherein at least the thread eyelet (33) in the longitudinal direction of the winding body (33). 25) is arranged movable relative to this. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Fadenöse (33) gleichzeitig in Längsrichtung des Wickelkörpers (25) und in einer Kreisbewegung um den Wickelkörper (25) oder nur in Längsrichtung des Wickelkörpers (25) oder nur in einer Kreisbewegung um den Wickelkörper (25) bewegbar ist.Apparatus according to claim 3, characterized in that the thread eyelet (33) simultaneously in the longitudinal direction of the winding body (25) and in a circular movement about the winding body (25) or only in the longitudinal direction of the winding body (25) or only in a circular movement about the winding body ( 25) is movable. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass zum Aufwickeln von Faden auf den Wickelkörper (25) die Geschwindigkeit der Kreisbewegung und der Bewegung in Längsrichtung des Wickelkörpers (25) der Fadenöse (33) so aufeinander abstimmbar sind, dass nebeneinander liegende Fadenwicklungen auf dem Wickelkörper (25) gebildet werden.Apparatus according to claim 3 or 4, characterized in that for winding thread on the winding body (25), the speed of the circular motion and the movement in the longitudinal direction of the winding body (25) of the eyelet (33) are tuned to each other so that adjacent thread windings on the winding body (25) are formed. Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass zum Abwickeln von Faden vom Wickelkörper (25) die Fadenöse (33) jeweils zu der gerade abzuwickelnden Fadenwicklung entlang des Wickelkörpers (25) bewegbar ist, sodass die Fadenabwicklung mit exakt vorgegebener Fadenmenge erfolgt.Device according to one of claims 3 to 5, characterized in that for unwinding of thread from the winding body (25), the thread eyelet (33) in each case to the unwinding thread winding along the winding body (25) is movable, so that the thread unwinding takes place with exactly predetermined amount of thread , Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Wickelkörper (25) einen ersten Bereich (A) aufweist, auf den Faden von einem Wickelring des Fournisseurs (2) aufwickelbar ist, von dem aber kein Faden von den Mitteln zur Fadenförderung abgewickelt werden kann und an den sich ein zweiter Bereich (B) anschließt, von dem Faden von den Mitteln zur Fadenförderung abgewickelt und auf den von diesen Mitteln Faden aufgewickelt werden kann.Device according to one of claims 1 to 6, characterized in that the winding body (25) has a first region (A), on the thread of a winding ring of the feeder (2) can be wound, but of which no thread from the means for conveying the thread can be unwound and to which a second region (B) adjoins, unwound from the thread by the means for conveying the thread and can be wound on the thread by these means. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass bei Erreichen der Grenze zwischen dem zweiten und ersten Bereich (B, A) der Antrieb der Mittel zur Fadenförderung während der Bewegung in Längsrichtung des Wickelkörpers (25) der Antrieb der Mittel zur Fadenförderung abschaltbar ist.Apparatus according to claim 7, characterized in that on reaching the boundary between the second and first region (B, A), the drive of the means for yarn delivery during movement in the longitudinal direction of the winding body (25), the drive of the means for yarn delivery is switched off. Vorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass sich an den zweiten Bereich (B) ein dritter Bereich (C) anschließt, auf den von den Mitteln zur Fadenförderung Faden auf- und abwickelbar ist, wenn der zweite Bereich (B) vollständig mit Faden belegt ist.Apparatus according to claim 6 or 7, characterized in that adjoining the second region (B), a third region (C) on the thread from the means for threading up and unwound, when the second region (B) completely with Thread is busy. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Einrichtung (6) zur Bestimmung der Fadenmenge vorgesehen ist, die mit dem Antrieb der Mittel zur Fadenförderung gekoppelt ist.Device according to one of the preceding claims, characterized in that a device (6) for determining the amount of thread is provided, which is coupled to the drive of the means for thread feeding.
EP05014066A 2005-06-29 2005-06-29 Device for delivering a required thread quantity at each phase of the knitting process to a thread guide of a knitting machine Active EP1739217B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05014066A EP1739217B1 (en) 2005-06-29 2005-06-29 Device for delivering a required thread quantity at each phase of the knitting process to a thread guide of a knitting machine
AT05014066T ATE524586T1 (en) 2005-06-29 2005-06-29 DEVICE FOR SUPPLYING THE AMOUNT OF THREAD REQUIRED FOR EACH STAGE OF THE KNITTING PROCESS TO A THREAD GUIDE OF A KNITTING MACHINE
CN2006100937170A CN1891880B (en) 2005-06-29 2006-06-29 Device for feeding thread guides with exactly the desired amount of thread at each stage of the knitting process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05014066A EP1739217B1 (en) 2005-06-29 2005-06-29 Device for delivering a required thread quantity at each phase of the knitting process to a thread guide of a knitting machine

Publications (2)

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EP1739217A1 true EP1739217A1 (en) 2007-01-03
EP1739217B1 EP1739217B1 (en) 2011-09-14

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EP05014066A Active EP1739217B1 (en) 2005-06-29 2005-06-29 Device for delivering a required thread quantity at each phase of the knitting process to a thread guide of a knitting machine

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CN (1) CN1891880B (en)
AT (1) ATE524586T1 (en)

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE2444186A1 (en) * 1974-09-16 1976-03-25 Iro Ab THREAD DELIVERY DEVICE FOR TEXTILE MACHINERY
DE2701718B1 (en) * 1977-01-17 1978-06-15 Iro Ab Yarn storage and delivery device
WO1987001399A1 (en) * 1985-09-04 1987-03-12 Ab Iro Yarn supply system
EP1582614A1 (en) 2004-04-03 2005-10-05 H. Stoll GmbH & Co. KG Device for supply of yarn amount

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE2126778A1 (en) * 1971-05-28 1972-12-07 Ulrich, Anton, 8000 München Circular knitting yard feed system - for different course lengths on different systems
DE2710821C3 (en) * 1977-03-11 1981-07-23 Aktiebolaget Iro, Ulricehamn Yarn feeding device for textile machines
DE4032402A1 (en) * 1990-10-12 1992-04-16 Menninger Iro Gmbh Knitter yarn feed - has controlled yarn retraction to form a yarn reserve during a temporary break in the knitting e.g. slide direction change
DE19637556C1 (en) * 1996-09-14 1998-01-08 Memminger Iro Gmbh Circular loom and knitter yarn feed
DE19932482A1 (en) * 1999-07-12 2001-01-18 Memminger Iro Gmbh Thread delivery device in with adjustable thread guide device
CN100482873C (en) * 2003-10-16 2009-04-29 陈仁惠 Quantitative and variational yarn feeding device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444186A1 (en) * 1974-09-16 1976-03-25 Iro Ab THREAD DELIVERY DEVICE FOR TEXTILE MACHINERY
DE2701718B1 (en) * 1977-01-17 1978-06-15 Iro Ab Yarn storage and delivery device
WO1987001399A1 (en) * 1985-09-04 1987-03-12 Ab Iro Yarn supply system
EP1582614A1 (en) 2004-04-03 2005-10-05 H. Stoll GmbH & Co. KG Device for supply of yarn amount

Also Published As

Publication number Publication date
CN1891880A (en) 2007-01-10
CN1891880B (en) 2012-05-02
ATE524586T1 (en) 2011-09-15
EP1739217B1 (en) 2011-09-14

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