EP2669227A2 - Wound wire coil and method and device for manufacturing the same - Google Patents

Wound wire coil and method and device for manufacturing the same Download PDF

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Publication number
EP2669227A2
EP2669227A2 EP13002798.0A EP13002798A EP2669227A2 EP 2669227 A2 EP2669227 A2 EP 2669227A2 EP 13002798 A EP13002798 A EP 13002798A EP 2669227 A2 EP2669227 A2 EP 2669227A2
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EP
European Patent Office
Prior art keywords
wire
spool
laying
layers
overlapping portions
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Granted
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EP13002798.0A
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German (de)
French (fr)
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EP2669227A3 (en
EP2669227B1 (en
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Fritz Binder
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2893—Superposed traversing, i.e. traversing or other movement superposed on a traversing movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/04—Wound packages of filamentary material characterised by method of winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires

Definitions

  • the invention relates to a wound wire coil, such as in particular a wire coil for receiving metal wire for further processing into jewelry, according to the preamble of claim 1 and a method for producing the wire coil and an apparatus for performing the method.
  • the wire spool has a take-up spool, which has a spool core with a cylindrical surface and side windows perpendicular thereto, and a wire winding of a wire arranged on the spool core, which forms a plurality of layers arranged one above the other in the radial direction.
  • deflection points are formed on the side windows, on each of which a laying direction of the wire changes and thereby each form a transition between two superimposed layers.
  • DE 10 2006 018 428 A1 shows a method and apparatus for winding a wire spool, in which the formation of valleys and mountains of the winding material is prevented on a bobbin to optimally use a winding volume of the wire coil can.
  • a disadvantage of the wire coils obtained in this case is that they tend during unwinding to a sinking of the wire in the remaining wire wrapping. This sinking can lead to a jamming of the unwound wire within the remaining wire winding, which can for example in the continuous production of jewelry chains to faults, production interruptions or errors in the products to be produced.
  • the object of the invention is to avoid the disadvantages mentioned in a generic wound wire coil and to ensure a trouble-free unwinding of the recorded wire winding.
  • a wound wire coil having the features of claim 1.
  • the wire has overlapping sections between the two deflection points of one of the layers, which form additional transitions between superimposed layers. In this way, over the cross section of the wound wire regions with indifferent storage conditions of each unwinding during the unwinding wire sections can be avoided. This reduces the risk that the wire section to be unwound and the wire sections arranged below it will slip against one another during a unwinding operation and as a result the wire section to be unwound sinks and jams.
  • the overlapping portions are formed in each layer of the wound wire coil, whereby a fully increased resistance to sinking of the unwound wire section can be ensured.
  • At least two overlapping sections are formed in one of the layers, which extend in the axial direction of the wire coil in each case between a first transition from the respective layer to another layer and a second transition back to the starting layer over sublayers of different sizes. Due to the overlapping portions of different sizes, the resistance that the lower layers of a sinking movement of the respectively overlying layers in the radial direction set to increase, and thus in particular the sinking of the wire in each current Abwickelungs Symposium be prevented.
  • the overlapping sections extend over an angle section of at least 360 ° in each case.
  • the overlapping sections have a relatively high positional stability during their production.
  • the object is achieved by a method for producing a wound wire spool in one of the above-mentioned embodiments, in which the wire is fed to the rotating take-up spool and guided thereby by a laying apparatus which is parallel to a rotation axis of the take-up spool over a length of the spool core between two switching points reciprocated, wherein a part of the laying apparatus is moved along a linear main movement direction of each one of the switching points to the other switching point, said main linear motion is superimposed with a multiple alternating movement, so that over a laying length of each prepared layer a plurality of overlapping portions are formed.
  • a plurality of overlapping sections are formed at each point along the laying length of a respective outer layer below the same, through which the resistance that the lower layers of a sinking movement of the respectively overlying layers in the radial direction oppose, can be increased.
  • the overlapping sections in this case extend over part-length lengths of different lengths.
  • the object is achieved by a device for carrying out the method in one of the above embodiments, in which a wire dispensing device is provided, from which the wire can be fed via the laying apparatus of a coil receiving, to which the take-up spool is driven by a coil drive, wherein the laying apparatus has a separate from the reel drive of the take-up reel laying drive and means for changing direction also between the switching points.
  • the laying apparatus can be driven independently of the reel drive and in particular independently of the rotational speed and position of the reel seat form the overlapping sections.
  • the means for changing direction between the switching points comprise a runner of the laying apparatus connected to a control device and linearly movable along a stationary element.
  • the linear direction of movement of the rotor can be changed or changed as a function of a control signal of the control device.
  • control device prefferably has a programmable random number generator for generating the control signal.
  • the frequency and respective extension of the overlapping portions are randomly distributed across the plies of the wire coil to be produced.
  • Fig. 1 shows a wound wire spool 2 with a take-up spool 4, which has a spool core 6 with a cylindrical surface 8.
  • the cylindrical surface 8 is bounded at both ends by a respective perpendicular to the side window 10a, 10b.
  • a wire winding 12 is wound on the spool core 6, which is formed from a wire 14, such as in particular a customary for the production of jewelry metal wire.
  • the wire winding 12 comprises in the radial direction R of the wire coil 2 a plurality of superposed layers L1, L2, L3, L4 of the wire 14.
  • L1, L2, L3, L4 of the wire 14 As an alternative to the wire 14 shown here with a round cross-section is also the use of a wire 14 with oval, half-round or flat Cross section possible.
  • Fig. 1 shows the wire winding 12 in this case at the beginning of a winding process in which the wire cross sections of the wound wire 14 in the illustrated sectional plane are arranged according to a dot-dash installation path V between a starting point SP on one of the side windows 10a and a first deflection point U1 on the other side window 10b, wherein the deflection point U1 denotes a transition at the end of the first layer L1 to the second layer L2.
  • the deflection point U1 denotes a transition at the end of the first layer L1 to the second layer L2.
  • overlapping portions 16 are formed when laying the wire 14 according to installation path V, which additionally form transitions Z1, Z2, Z3, Z4 between each adjacent layers L1, L2, L3, L4 between the deflection points U1, U2, U3 ,
  • the overlapping sections 16 extend in the axial direction in each case over a Sectionverlegerat tl, each of which is a fraction of the total laying length I, which is limited by the distance between the two side windows 10a, 10b.
  • the overlapping portions 16 with respect to a tangential direction of the spool core 6 for reasons of stability at least an angular portion of 360 °, and they are preferably, as shown, each wound several times around the spool core 6.
  • a device 20 is shown, by means of which the wound wire spool 2 can be produced.
  • This device 20 has a wire dispenser 22 in the form of an annealing device, from which the wire 14 is output at a wire speed vG.
  • the device 20 has a laying device 24, via which the wire 14 can be fed in a predetermined manner to the take-up spool 4 arranged in a spool receptacle 26.
  • the laying device 24 has for this purpose a laying apparatus 28 which is displaceable by means of a laying drive 30 parallel to a rotation axis AD of the pickup coil 4 clamped in the coil receptacle 26 along a laying axis AV.
  • the laying apparatus 24 can in this case be moved back and forth along a linear main movement direction HR between two switching points 32a, 32b.
  • the laying apparatus 28 in this case has a rotor 34 which, in addition to the main movement along the respective main movement direction HR, can be alternately moved back and forth with a superposition movement along a partial movement direction TR in order to move the overlapping sections 16 over the produce respective partial laying length tl.
  • the rotor 34 is linearly displaceable along a guide element 36 for this purpose.
  • the take-up reel 4 is also driven by a reel drive 38 about the axis of rotation AD, which is formed separately from the laying drive 30.
  • the wire dispenser 22 In order to be able to tune the respectively resulting linear speed of the laying apparatus 24 along the main movement direction HR and the partial movement direction TR to a rotation speed vD of the take-up reel 4 and the wire speed vG of the wire dispenser 22, the wire dispenser 22, the laying drive 30 and the reel drive 38 are provided with a Control device 40 connected.
  • the wire speed vG, the linear speed and direction of the runner 34 and the rotational speed vD of the take-up spool 4 are matched to each other by means of the control device 40 such that on the wire spool 2 during a single movement of the runner from one of the switching points 32a ; 32b to the other switching point 32b; 32a a plurality of overlapping portions 16 are formed.
  • each position L1, L2, L3, L4 predetermined position and partial laying length tl of the overlapping sections 16 is predetermined by the controller 40 for a given laying length.
  • the control device 40 as indicated by dashed lines, but also have a programmable deposited random number generator 42, by means of which the position and Operaverlegeher fl of the individual overlap sections 16 is selected within certain limits at random.
  • a wound wire spool 2 is made in this way, the recorded wire 14 in the subsequent unwinding a high resistance against Sinking of each of the wire coil 2 led away wire portion.

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  • Winding, Rewinding, Material Storage Devices (AREA)
  • Coil Winding Methods And Apparatuses (AREA)

Abstract

The wound wire reel (2) has a receiving coil (4) which has a coil core (6) with cylindrical upper surface (8) and side plates (10a,10b) stand perpendicular to the coil core, where a wire winding (12) of a wire (14) has multiple layers (L1,L2,L3) arranged over one another in radial direction (R). The wire between two lying reversal points (U1,U2,U3,U4) of the layers has overlapping portions (16) that form additional transitions (Z1,Z2,Z3,Z4) between layers lying over one another. Independent claims are included for the following: (1) a method for manufacturing a wound wire reel; and (2) a device for executing a manufacturing method.

Description

Die Erfindung betrifft eine gewickelte Drahtspule, wie insbesondere eine Drahtspule zur Aufnahme von Metalldraht für die Weiterverarbeitung zu Schmuck, nach dem Oberbegriff des Anspruchs 1 sowie ein Verfahren zur Herstellung der Drahtspule und eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a wound wire coil, such as in particular a wire coil for receiving metal wire for further processing into jewelry, according to the preamble of claim 1 and a method for producing the wire coil and an apparatus for performing the method.

Die Drahtspule weist dabei eine Aufnahmespule, die einen Spulenkern mit zylindrischer Oberfläche und dazu senkrecht stehende Seitenscheiben aufweist, und eine auf dem Spulenkern angeordnete Drahtwickelung eines Drahtes auf, der mehrere in radialer Richtung übereinander angeordnete Lagen bildet. Hierbei sind an den Seitenscheiben Umlenkpunkte ausgebildet, an denen jeweils eine Verlegerichtung des Drahtes wechselt und die dadurch jeweils einen Übergang zwischen zwei übereinander liegenden Lagen bilden.The wire spool has a take-up spool, which has a spool core with a cylindrical surface and side windows perpendicular thereto, and a wire winding of a wire arranged on the spool core, which forms a plurality of layers arranged one above the other in the radial direction. Here, deflection points are formed on the side windows, on each of which a laying direction of the wire changes and thereby each form a transition between two superimposed layers.

Aus DE 600 38 214 T2 ist eine Vorrichtung und ein Verfahren zum Wickeln von Drahtspulen bekannt, die eine Spindel mit daran befestigter Spule aufweisen. Ein Verschiebemechanismus bewirkt dabei die relative Verschiebung eines Drahtzuführteils gegenüber der Spule. Um dabei auch bei dünnen Drähten das Drahtzuführteil mit einer besonders genauen Steigung verlagern zu können, um exakt zueinander ausgerichtete aneinander liegende Drahtwickelungen gewährleisten zu können, weist der Verschiebemechanismus zwei Verschiebemotoren auf, die voneinander unabhängig betrieben werden können.Out DE 600 38 214 T2 For example, an apparatus and method for winding wire spools having a spindle with a spool attached thereto is known. A displacement mechanism causes the relative displacement of a Drahtzuführteils relative to the coil. In order to be able to displace the Drahtzuführteil with a particularly accurate pitch even with thin wires to ensure exactly aligned to each other lying wire windings, the displacement mechanism on two displacement motors, which can be operated independently.

Aus DE 37 51 237 T2 sind Drahtspulen mit zylindrischem Spulenkern und senkrecht stehenden Seitenscheiben bekannt, bei denen Lagen von Wickelgut konisch auf den Spulenkern aufgewickelt sind.Out DE 37 51 237 T2 Wire coils are known with cylindrical coil core and vertical side windows in which layers of winding material are wound conically on the spool core.

DE 10 2006 018 428 A1 zeigt ein Verfahren und eine Vorrichtung zur Aufwicklung einer Drahtspule, bei dem die Ausbildung von Tälern und Bergen des Wickelguts auf einem Spulenkern verhindert wird, um ein Wickelvolumen der Drahtspule optimal nutzen zu können. DE 10 2006 018 428 A1 shows a method and apparatus for winding a wire spool, in which the formation of valleys and mountains of the winding material is prevented on a bobbin to optimally use a winding volume of the wire coil can.

Nachteilig an den hierbei gewonnenen Drahtspulen ist, dass diese beim Abwickeln zu einem Einsinken des Drahtes in die verbleibende Drahtwickelung neigen. Dieses Einsinken kann dabei zu einem Festklemmen des abzuwickelnden Drahtes innerhalb der verbleibenden Drahtwicklung führen, was beispielsweise bei der fortlaufenden Herstellung von Schmuckketten zu Störungen, Produktionsabbrüchen oder zu Fehlern an den herzustellenden Produkten führen kann.A disadvantage of the wire coils obtained in this case is that they tend during unwinding to a sinking of the wire in the remaining wire wrapping. This sinking can lead to a jamming of the unwound wire within the remaining wire winding, which can for example in the continuous production of jewelry chains to faults, production interruptions or errors in the products to be produced.

Die Aufgabe der Erfindung ist es, bei einer gattungsgemäßen gewickelten Drahtspule die genannten Nachteile zu vermeiden und ein störungsfreies Abwickeln der aufgenommenen Drahtwickelung zu gewährleisten.The object of the invention is to avoid the disadvantages mentioned in a generic wound wire coil and to ensure a trouble-free unwinding of the recorded wire winding.

Diese Aufgabe wird durch eine gewickelte Drahtspule mit den Merkmalen des Anspruchs 1 gelöst. Dabei weist der Draht zwischen den zwei Umlenkpunkten einer der Lagen Überlappungsabschnitte auf, die zusätzliche Übergänge zwischen übereinander liegenden Lagen bilden. Auf diese Weise können über den Querschnitt des gewickelten Drahtes hinweg Bereiche mit indifferenten Lagerungszuständen der beim Abwickeln jeweils außen liegenden Drahtabschnitte vermieden werden. Hierdurch wir die Gefahr verringert, dass der abzuwickelnde Drahtabschnitt und die unterhalb desselben angeordneten Drahtabschnitte während eines Abwickelvorganges gegeneinander verrutschen und dadurch der abzuwickelnde Drahtabschnitt einsinkt und sich verklemmt.This object is achieved by a wound wire coil having the features of claim 1. In this case, the wire has overlapping sections between the two deflection points of one of the layers, which form additional transitions between superimposed layers. In this way, over the cross section of the wound wire regions with indifferent storage conditions of each unwinding during the unwinding wire sections can be avoided. This reduces the risk that the wire section to be unwound and the wire sections arranged below it will slip against one another during a unwinding operation and as a result the wire section to be unwound sinks and jams.

In einer besonders vorteilhaften Ausführungsform sind die Überlappungsabschnitte dabei in jeder Lage der gewickelten Drahtspule ausgebildet, wodurch ein vollumfänglich erhöhter Widerstand gegen ein Einsinken des abzuwickelnden Drahtabschnittes gewährleistet werden kann.In a particularly advantageous embodiment, the overlapping portions are formed in each layer of the wound wire coil, whereby a fully increased resistance to sinking of the unwound wire section can be ensured.

Vorteilhafterweise sind dabei in einer der Lagen wenigstens zwei Überlappungsabschnitte ausgebildet, die sich in axialer Richtung der Drahtspule jeweils zwischen einem ersten Übergang von der jeweiligen Lage zu einer anderen Lage und einem zweiten Übergang zurück zu der Ausgangslage über unterschiedlich große Teilverlegelängen erstrecken. Durch die unterschiedlich großen Überlappungsabschnitte kann dabei der Widerstand, den die unteren Lagen einer Einsinkbewegung der jeweils darüber liegenden Lagen in radialer Richtung entgegen setzen, erhöht und dadurch insbesondere das Einsinken des Drahtes im jeweils aktuellen Abwickelungsbereich verhindert werden.Advantageously, at least two overlapping sections are formed in one of the layers, which extend in the axial direction of the wire coil in each case between a first transition from the respective layer to another layer and a second transition back to the starting layer over sublayers of different sizes. Due to the overlapping portions of different sizes, the resistance that the lower layers of a sinking movement of the respectively overlying layers in the radial direction set to increase, and thus in particular the sinking of the wire in each current Abwickelungsbereich be prevented.

Dabei ist es zudem günstig, wenn sich die Überlappungsabschnitte über einen Winkelabschnitt von jeweils mindestens 360° erstrecken. Hierdurch weisen die Überlappungsabschnitte während ihrer Herstellung eine relativ hohe Lagestabilität auf.It is also advantageous if the overlapping sections extend over an angle section of at least 360 ° in each case. As a result, the overlapping sections have a relatively high positional stability during their production.

Ferner wird die Aufgabe durch ein Verfahren zur Herstellung einer gewickelten Drahtspule in einer der oben genannten Ausführungsformen gelöst, bei dem der Draht der sich drehenden Aufnahmespule zugeführt und dabei von einem Verlegeapparat geführt wird, der sich parallel zu einer Drehachse der Aufnahmespule über eine Länge des Spulenkerns zwischen zwei Umschaltpunkten hin- und herbewegt, wobei ein Teil des Verlegeapparates entlang einer linearen Hauptbewegungsrichtung von jeweils einem der Umschaltpunkte zu dem jeweils anderen Umschaltpunkt bewegt wird, wobei diese Hauptlinearbewegung mit einer mehrfach alternierenden Bewegung überlagert wird, so dass über eine Verlegelänge der jeweils hergestellten Lage mehrere Überlappungsabschnitte ausgebildet werden. Auf diese Weise sind an jedem Punkt entlang der Verlegelänge einer jeweils äußeren Lage unterhalb derselben mehrere Überlappungsabschnitte ausgebildet, durch die der Widerstand, den die unteren Lagen einer Einsinkbewegung der jeweils darüber liegenden Lagen in radialer Richtung entgegen setzen, erhöht werden kann.Furthermore, the object is achieved by a method for producing a wound wire spool in one of the above-mentioned embodiments, in which the wire is fed to the rotating take-up spool and guided thereby by a laying apparatus which is parallel to a rotation axis of the take-up spool over a length of the spool core between two switching points reciprocated, wherein a part of the laying apparatus is moved along a linear main movement direction of each one of the switching points to the other switching point, said main linear motion is superimposed with a multiple alternating movement, so that over a laying length of each prepared layer a plurality of overlapping portions are formed. In this way, a plurality of overlapping sections are formed at each point along the laying length of a respective outer layer below the same, through which the resistance that the lower layers of a sinking movement of the respectively overlying layers in the radial direction oppose, can be increased.

Vorteilhafterweise erstrecken sich die Überlappungsabschnitte hierbei über unterschiedlich lange Teilverlegelängen. Durch die hierdurch bei der Herstellung der gewickelten Drahtspule entstehende Vielzahl unterschiedlich großer und mehrfach und zueinander versetzt übereinander angeordneter Überlappungsabschnitte kann der Widerstand gegen eine Einsinkbewegung des abzuwickelnden Drahtes deutlich erhöht werden.Advantageously, the overlapping sections in this case extend over part-length lengths of different lengths. By doing so in the production of the wound wire coil resulting plurality of different sized and multiple and mutually offset stacked overlapping sections, the resistance to a sinking movement of the unwound wire can be significantly increased.

Zudem ist es günstig, wenn die Teilverlegelängen nach einem Zufallsprinzip ermittelt werden. Hierdurch konnte überraschender Weise ein höherer Widerstand gegen eine Einsinkbewegung des abzuwickelnden Drahtes als bei vielen regelmäßigen Anordnungen der Überlappungsabschnitte festgestellt werden.In addition, it is favorable if the partial laying lengths are determined at random. In this way, surprisingly, a higher resistance to a sinking movement of the unwound wire could be found than with many regular arrangements of the overlapping sections.

Darüber hinaus wird die Aufgabe durch eine Vorrichtung zur Durchführung des Verfahrens in einer der oben genannten Ausführungsformen gelöst, bei der eine Drahtausgabeeinrichtung vorgesehen ist, aus der der Draht über den Verlegeapparat einer Spulenaufnahme zuführbar ist, an der die Aufnahmespule durch einen Spulenantrieb antreibbar ist, wobei der Verlegeapparat einen vom Spulenantrieb der Aufnahmespule getrennten Verlegeantrieb sowie Mittel zum Richtungswechsel auch zwischen den Umschaltpunkten aufweist. Hierdurch kann der Verlegeapparat unabhängig vom Spulenantrieb angetrieben werden und insbesondere unabhängig von Drehgeschwindigkeit und -position der Spulenaufnahme die Überlappungsabschnitte ausbilden.In addition, the object is achieved by a device for carrying out the method in one of the above embodiments, in which a wire dispensing device is provided, from which the wire can be fed via the laying apparatus of a coil receiving, to which the take-up spool is driven by a coil drive, wherein the laying apparatus has a separate from the reel drive of the take-up reel laying drive and means for changing direction also between the switching points. As a result, the laying apparatus can be driven independently of the reel drive and in particular independently of the rotational speed and position of the reel seat form the overlapping sections.

Vorteilhafterweise umfassen die Mittel zum Richtungswechsel zwischen den Umschaltpunkten einen mit einer Steuerungseinrichtung verbundenen und entlang eines stationären Elementes linear bewegbaren Läufer des Verlegeapparates. Hierbei kann die lineare Bewegungsrichtung des Läufers in Abhängigkeit eines Steuerungssignals der Steuerungseinrichtung verändert beziehungsweise gewechselt werden. Mithilfe eines derartigen Läufers ist eine einfache und exakte Ausbildung der Überlappungsabschnitte möglich.Advantageously, the means for changing direction between the switching points comprise a runner of the laying apparatus connected to a control device and linearly movable along a stationary element. In this case, the linear direction of movement of the rotor can be changed or changed as a function of a control signal of the control device. With the aid of such a rotor, a simple and exact formation of the overlapping sections is possible.

Dabei ist es günstig, wenn die Steuerungseinrichtung einen programmtechnisch hinterlegten Zufallsgenerator zur Generierung des Steuerungssignals aufweist. Hierdurch kann zumindest innerhalb vorgegebener Rahmenwerte die Häufigkeit und jeweilige Erstreckung der Überlappungsabschnitte über die Lagen der herzustellenden Drahtspule hinweg nach dem Zufallsprinzip verteilt werden.It is expedient for the control device to have a programmable random number generator for generating the control signal. As a result, at least within predefined frame values, the frequency and respective extension of the overlapping portions are randomly distributed across the plies of the wire coil to be produced.

In den Figuren ist eine beispielhafte Ausführungsform der Erfindung dargestellt. Es zeigen:

Figur 1
einen Längsschnitt durch eine erfindungsgemäße gewickelte Drahtspule und
Figur 2
eine Draufsicht auf eine Vorrichtung zur Herstellung der gewickelten Drahtspule nach Fig. 1.
In the figures, an exemplary embodiment of the invention is shown. Show it:
FIG. 1
a longitudinal section through a wound wire coil according to the invention and
FIG. 2
a top view of an apparatus for producing the wound wire coil according to Fig. 1 ,

Fig. 1 zeigt eine gewickelte Drahtspule 2 mit einer Aufnahmespule 4, die einen Spulenkern 6 mit zylindrischer Oberfläche 8 aufweist. Die zylindrische Oberfläche 8 ist dabei zu beiden Enden hin durch jeweils eine zu ihr senkrecht stehende Seitenscheibe 10a, 10b begrenzt. Fig. 1 shows a wound wire spool 2 with a take-up spool 4, which has a spool core 6 with a cylindrical surface 8. The cylindrical surface 8 is bounded at both ends by a respective perpendicular to the side window 10a, 10b.

Zwischen den Seitenscheiben 10a, 10b ist auf dem Spulenkern 6 eine Drahtwickelung 12 aufgewickelt, die aus einem Draht 14, wie insbesondere einem zur Herstellung von Schmuckstücken üblichen Metalldraht, gebildet ist. Die Drahtwickelung 12 umfasst dabei in radialer Richtung R der Drahtspule 2 mehrere übereinander angeordnete Lagen L1, L2, L3, L4 des Drahtes 14. Alternativ zu dem hier dargestellten Draht 14 mit rundem Querschnitt ist auch die Verwendung eines Drahtes 14 mit ovalem, halbrundem oder flachem Querschnitt möglich.Between the side windows 10a, 10b, a wire winding 12 is wound on the spool core 6, which is formed from a wire 14, such as in particular a customary for the production of jewelry metal wire. The wire winding 12 comprises in the radial direction R of the wire coil 2 a plurality of superposed layers L1, L2, L3, L4 of the wire 14. As an alternative to the wire 14 shown here with a round cross-section is also the use of a wire 14 with oval, half-round or flat Cross section possible.

Fig. 1 zeigt die Drahtwickelung 12 hierbei zu Beginn eines Wickelvorganges, bei dem die Drahtquerschnitte des aufgewickelten Drahtes 14 in der dargestellten Schnittebene gemäß eines strichpunktiert dargestellten Verlegepfades V zwischen einem Startpunkt SP an einer der Seitenscheiben 10a und einem ersten Umlenkpunkt U1 an der anderen Seitenscheibe 10b angeordnet sind, wobei der Umlenkpunkt U1 einen Übergang am Ende der ersten Lage L1 zu der zweiten Lage L2 bezeichnet. Im weiteren Verlauf des Wickelvorganges wird, wie durch gepunktete Linien dargestellt, jeweils am Ende jeder weiteren Lage L2, L3, L4 ein weiterer Umlenkpunkt U2, U3, U4 ausgebildet. Fig. 1 shows the wire winding 12 in this case at the beginning of a winding process in which the wire cross sections of the wound wire 14 in the illustrated sectional plane are arranged according to a dot-dash installation path V between a starting point SP on one of the side windows 10a and a first deflection point U1 on the other side window 10b, wherein the deflection point U1 denotes a transition at the end of the first layer L1 to the second layer L2. In the course of the winding process, as by shown dotted lines, in each case at the end of each further layer L2, L3, L4 another deflection point U2, U3, U4 formed.

Wie aus Fig. 1 zu entnehmen ist, werden beim Verlegen des Drahtes 14 gemäß Verlegepfad V drei unterschiedlich breite Überlappungsabschnitte 16 ausgebildet, die zwischen den Umlenkpunkten U1, U2, U3 zusätzlich Übergänge Z1, Z2, Z3, Z4 zwischen jeweils benachbarten Lagen L1, L2, L3, L4 bilden. Die Überlappungsabschnitte 16 erstrecken sich dabei in axialer Richtung jeweils über eine Teilverlegelänge tl, die jeweils einen Bruchteil der gesamten Verlegelänge I beträgt, die durch den Abstand der beiden Seitenscheiben 10a, 10b begrenzt ist. Zudem weisen die Überlappungsabschnitte 16 bezüglich einer tangentialen Richtung des Spulenkerns 6 aus Stabilitätsgründen mindestens einen Winkelabschnitt von 360° auf, wobei sie bevorzugterweise wie dargestellt jeweils mehrfach um den Spulenkern 6 gewickelt sind.How out Fig. 1 can be seen, three different width overlapping portions 16 are formed when laying the wire 14 according to installation path V, which additionally form transitions Z1, Z2, Z3, Z4 between each adjacent layers L1, L2, L3, L4 between the deflection points U1, U2, U3 , The overlapping sections 16 extend in the axial direction in each case over a Teilverlegelänge tl, each of which is a fraction of the total laying length I, which is limited by the distance between the two side windows 10a, 10b. In addition, the overlapping portions 16 with respect to a tangential direction of the spool core 6 for reasons of stability at least an angular portion of 360 °, and they are preferably, as shown, each wound several times around the spool core 6.

In Fig. 2 ist eine Vorrichtung 20 dargestellt, mittels der die gewickelte Drahtspule 2 hergestellt werden kann. Diese Vorrichtung 20 weist eine Drahtausgabeeinrichtung 22 in Form einer Glühvorrichtung auf, aus der der Draht 14 mit einer Drahtgeschwindigkeit vG ausgegeben wird.In Fig. 2 a device 20 is shown, by means of which the wound wire spool 2 can be produced. This device 20 has a wire dispenser 22 in the form of an annealing device, from which the wire 14 is output at a wire speed vG.

Ferner weist die Vorrichtung 20 eine Verlegeeinrichtung 24 auf, über die der Draht 14 in vorbestimmter Weise der in einer Spulenaufnahme 26 angeordneten Aufnahmespule 4 zugeführt werden kann. Die Verlegeeinrichtung 24 weist hierzu einen Verlegeapparat 28 auf, der mittels eines Verlegeantriebs 30 parallel zu einer Drehachse AD der in der Spulenaufnahme 26 eingespannten Aufnahmespule 4 entlang einer Verlegeachse AV verlagerbar ist. Der Verlegeapparat 24 kann hierbei entlang einer linearen Hauptbewegungsrichtung HR zwischen zwei Umschaltpunkten 32a, 32b hin- und herbewegt werden.Furthermore, the device 20 has a laying device 24, via which the wire 14 can be fed in a predetermined manner to the take-up spool 4 arranged in a spool receptacle 26. The laying device 24 has for this purpose a laying apparatus 28 which is displaceable by means of a laying drive 30 parallel to a rotation axis AD of the pickup coil 4 clamped in the coil receptacle 26 along a laying axis AV. The laying apparatus 24 can in this case be moved back and forth along a linear main movement direction HR between two switching points 32a, 32b.

Der Verlegeapparat 28 weist dabei einen Läufer 34 auf, der zusätzlich zu der Hauptbewegung entlang der jeweiligen Hauptbewegungsrichtung HR mit einer Überlagerungsbewegung entlang einer Teilbewegungsrichtung TR alternierend hin- und her bewegt werden kann, um die Überlappungsabschnitte 16 über die jeweilige Teilverlegungslänge tl herzustellen. Der Läufer 34 ist hierzu entlang eines Führungselementes 36 linear verschiebbar.The laying apparatus 28 in this case has a rotor 34 which, in addition to the main movement along the respective main movement direction HR, can be alternately moved back and forth with a superposition movement along a partial movement direction TR in order to move the overlapping sections 16 over the produce respective partial laying length tl. The rotor 34 is linearly displaceable along a guide element 36 for this purpose.

Zur Herstellung der Drahtwickelung 12 wird zudem die Aufnahmespule 4 von einem Spulenantrieb 38 um die Drehachse AD herum angetrieben, der separat zum Verlegeantrieb 30 ausgebildet ist.To produce the wire winding 12, the take-up reel 4 is also driven by a reel drive 38 about the axis of rotation AD, which is formed separately from the laying drive 30.

Um hierbei die jeweils resultierende lineare Geschwindigkeit des Verlegeapparates 24 entlang der Hauptbewegungsrichtung HR und der Teilbewegungsrichtung TR auf eine Drehgeschwindigkeit vD der Aufnahmespule 4 und die Drahtgeschwindigkeit vG der Drahtausgabeeinrichtung 22 abstimmen zu können, sind die Drahtausgabeeinrichtung 22, der Verlegeantrieb 30 und der Spulenantrieb 38 mit einer Steuerungseinrichtung 40 verbunden.In order to be able to tune the respectively resulting linear speed of the laying apparatus 24 along the main movement direction HR and the partial movement direction TR to a rotation speed vD of the take-up reel 4 and the wire speed vG of the wire dispenser 22, the wire dispenser 22, the laying drive 30 and the reel drive 38 are provided with a Control device 40 connected.

Zur Herstellung der gewickelten Drahtspule 2 werden die Drahtgeschwindigkeit vG, die Lineargeschwindigkeit und -richtung des Läufers 34 sowie die Drehgeschwindigkeit vD der Aufnahmespule 4 mittels der Steuerungseinrichtung 40 derart aufeinander abgestimmt, dass an der Drahtspule 2 während einer einzelnen Bewegung des Läufers von einem der Umschaltpunkte 32a; 32b zum jeweils anderen Umschaltpunkt 32b; 32a mehrere Überlappungsabschnitte 16 ausgebildet werden.To produce the wound wire spool 2, the wire speed vG, the linear speed and direction of the runner 34 and the rotational speed vD of the take-up spool 4 are matched to each other by means of the control device 40 such that on the wire spool 2 during a single movement of the runner from one of the switching points 32a ; 32b to the other switching point 32b; 32a a plurality of overlapping portions 16 are formed.

Hierbei kann vorgesehen werden, dass über die Steuerungseinrichtung 40 für eine vorgegebene Verlegelänge I eine für jede Lage L1, L2, L3, L4 vorbestimmte Position und Teilverlegelänge tl der Überlappungsabschnitte 16 vorbestimmt ist. Alternativ hierzu kann die Steuerungseinrichtung 40, wie durch strichpunktierte Linien angedeutet, jedoch auch einen programmtechnisch hinterlegten Zufallsgenerator 42 aufweisen, mittels dem die Position und Teilverlegelänge fl der einzelnen Überlappungsabschnitte 16 im Rahmen gewisser Grenzen nach dem Zufallsprinzip ausgewählt wird.It can be provided that for each position L1, L2, L3, L4 predetermined position and partial laying length tl of the overlapping sections 16 is predetermined by the controller 40 for a given laying length. Alternatively, the control device 40, as indicated by dashed lines, but also have a programmable deposited random number generator 42, by means of which the position and Teilverlegelänge fl of the individual overlap sections 16 is selected within certain limits at random.

In jedem Fall wird auf diese Weise eine gewickelte Drahtspule 2 hergestellt, deren aufgenommener Draht 14 beim späteren Abwickeln einen hohen Widerstand gegen Einsinken des jeweils von der Drahtspule 2 weggeführten Drahtabschnittes aufweist.In any case, a wound wire spool 2 is made in this way, the recorded wire 14 in the subsequent unwinding a high resistance against Sinking of each of the wire coil 2 led away wire portion.

Claims (10)

Gewickelte Drahtspule (2)
mit einer Aufnahmespule (4), die einen Spulenkern (6) mit zylindrischer Oberfläche (8) und dazu senkrecht stehende Seitenscheiben (10) aufweist, und
einer auf dem Spulenkern (6) angeordneten Drahtwickelung (12) eines Drahtes (14), der mehrere in radialer Richtung (R) übereinander angeordnete Lagen (L1, L2, L3, L4) aufweist,
wobei an den Seitenscheiben (10a, 10b) Umlenkpunkte (U1, U2, U3, U4) ausgebildet sind, an denen jeweils eine Verlegerichtung des Drahtes (14) wechselt und die dadurch jeweils einen Übergang zwischen zwei übereinander liegenden Lagen (L1, L2, L3, L4) bilden,
dadurch gekennzeichnet, dass der Draht (14) zwischen den zwei Umlenkpunkten (U1, U2, U3, U4) einer der Lagen (L1, L2, L3, L4) Überlappungsabschnitte (16) aufweist, die zusätzliche Übergänge (Z1, Z2, 23, Z4) zwischen übereinander liegenden Lagen (L1, L2, L3, L4) bilden.Wound wire spool (2)
with a take-up spool (4), which has a spool core (6) with a cylindrical surface (8) and vertical side windows (10), and
a wire winding (12) of a wire (14) arranged on the spool core (6) and having a plurality of layers (L1, L2, L3, L4) arranged one above the other in the radial direction (R),
wherein on the side windows (10a, 10b) deflection points (U1, U2, U3, U4) are formed, on each of which a laying direction of the wire (14) changes and thereby each a transition between two superimposed layers (L1, L2, L3 Form L4),
characterized in that the wire (14) has overlapping sections (16) between the two deflection points (U1, U2, U3, U4) of one of the layers (L1, L2, L3, L4), the additional transitions (Z1, Z2, 23, Z4) between superposed layers (L1, L2, L3, L4). Gewickelte Drahtspule nach Anspruch 1, dadurch gekennzeichnet, dass die Überlappungsabschnitte (16) in jeder Lage (L1, L2, L3, L4) ausgebildet sind.A wound wire coil according to claim 1, characterized in that the overlapping portions (16) are formed in each layer (L1, L2, L3, L4). Gewickelte Drahtspule nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in einer der Lagen (L1, L2, L3, L4) wenigstens zwei Überlappungsabschnitte (16) ausgebildet sind, die sich über unterschiedlich große Teilverlegelängen (tl) erstrecken.Wound wire coil according to claim 1 or 2, characterized in that in one of the layers (L1, L2, L3, L4) at least two overlapping portions (16) are formed, which extend over different sized Teilverlegelängen (tl). Gewickelte Drahtspule nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sich die Überlappungsabschnitte (16) über einen Winkelabschnitt von jeweils mindestens 360° erstrecken.Wound wire spool according to one of claims 1 to 4, characterized in that the overlapping portions (16) extend over an angular portion of at least 360 °. Verfahren zur Herstellung einer gewickelten Drahtspule nach einem der Ansprüche 1 bis 4,
bei dem der Draht (14) der sich drehenden Aufnahmespule (4) zugeführt und dabei von einem Verlegeapparat (28) geführt wird, der den Draht (14) parallel zu einer Drehachse (AD) der Aufnahmespule (4) über eine Länge (I) des Spulenkerns (6) zwischen zwei Umschaltpunkten (32a, 32b) hin-und herbewegt,
dadurch gekennzeichnet, dass ein Teil des Verlegeapparates (28) entlang einer linearen Hauptbewegungsrichtung (HR) von jeweils einem der Umschaltpunkte (32a; 32b) zu dem jeweils anderen Umschaltpunkt (32b; 32a) bewegt wird, wobei diese Hauptlinearbewegung mit einer mehrfach alternierenden Bewegung überlagert wird, so dass über eine Verlegelänge (I) der jeweils hergestellten Lage (L1; L2; L3; L4) mehrere Überlappungsabschnitte (16) ausgebildet werden.A process for producing a wound wire coil according to any one of claims 1 to 4,
in which the wire (14) is fed to the rotating take-up spool (4) while being guided by a laying apparatus (28) which moves the wire (14) parallel to a rotation axis (AD) of the take-up spool (4) over a length (I). the coil core (6) between two switching points (32a, 32b) reciprocated,
characterized in that a part of the laying apparatus (28) is moved along a main linear movement direction (HR) of one of the switching points (32a; 32b) to the other switching point (32b; 32a), this main linear movement being superposed with a multiple alternating movement is formed, so that over a laying length (I) of the respectively prepared layer (L1, L2, L3, L4) a plurality of overlapping portions (16) are formed. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass sich die Überlappungsabschnitte über unterschiedlich lange Teilverlegelängen (tl) erstrecken.A method according to claim 5, characterized in that the overlapping portions extend over different lengths Teilverlegelängen (tl). Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Teilverlegelängen (t1) nach einem Zufallsprinzip festgelegt werden.A method according to claim 5 or 6, characterized in that the Teilverlegelängen (t1) are determined according to a random principle. Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 5 bis 7
mit einer Drahtausgabeeinrichtung (22), aus der der Draht (14) über den Verlegeapparat (28) einer Spulenaufnahme (26) zuführbar ist, an der die Aufnahmespule (4) durch einen Spulenantrieb (38) antreibbar ist,
dadurch gekennzeichnet, dass der Verlegeapparat (28) einen vom Spulenantrieb (38) der Aufnahmespule (4) getrennten Verlegeantrieb (30) sowie Mittel zum Richtungswechsel auch zwischen den Umschaltpunkten (32a, 32b) aufweist.Apparatus for carrying out the method according to one of claims 5 to 7
with a wire dispensing device (22), from which the wire (14) can be fed via the laying apparatus (28) to a reel holder (26) on which the pickup reel (4) can be driven by a reel drive (38),
characterized in that the laying apparatus (28) comprises a reel drive (38) of the take-up reel (4) separate laying drive (30) and means for changing direction also between the switching points (32a, 32b). Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Mittel zum Richtungswechsel zwischen den Umschaltpunkten (32a, 32b) einen mit einer Steuerungseinrichtung (40) verbundenen und entlang eines Führungselementes (36) linear bewegbaren Läufer (34) des Verlegeapparates (28) umfassen, dessen lineare Bewegungsrichtung in Abhängigkeit eines Steuerungssignals der Steuerungseinrichtung (40) veränderbar ist.Apparatus according to claim 8, characterized in that the means for changing direction between the switching points (32a, 32b) comprise a with a control device (40) connected and along a guide element (36) linearly movable runners (34) of the laying apparatus (28) linear direction of movement in response to a control signal of the control device (40) is variable. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Steuerungseinrichtung (40) einen programmtechnisch hinterlegten Zufallsgenerator (42) zur Generierung des Steuerungssignals aufweist.Apparatus according to claim 9, characterized in that the control device (40) has a programmable deposited random number generator (42) for generating the control signal.
EP13002798.0A 2012-06-01 2013-05-29 Wound wire coil and method and device for manufacturing the same Not-in-force EP2669227B1 (en)

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WO2019008530A1 (en) * 2017-07-07 2019-01-10 Meyer Burger (Switzerland) Ag Method of winding a cutting wire

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE3751237T2 (en) 1986-04-09 1995-08-24 Bekaert Sa Nv Conical winding of wire onto a spool with a cylindrical core and two flanges mounted vertically on it.
DE102006018428A1 (en) 2006-04-20 2007-10-25 Maschinenfabrik Niehoff Gmbh & Co. Kg Method and device for laying elongated winding material
DE60038214T2 (en) 1999-12-22 2009-03-19 Nittoku Engineering K.K., Urawa Method and device for winding coils

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Publication number Priority date Publication date Assignee Title
DE289216C (en) *
DE3809635C3 (en) * 1988-03-22 1996-06-20 Niehoff Kg Maschf Method and device for producing a package without a coil and a container produced by the method
DE4009370A1 (en) * 1990-03-23 1991-09-26 Gregor Gebald Bobbin cross winding allowing longer bobbins to be wound - in which reciprocating motion cross-wise has sections with only one stroke smaller than bobbin length
EP0762445B1 (en) * 1995-08-25 2000-07-26 Denso Corporation Slant winding electromagnetic coil and ignition coil for internal combustion engine using same
DE20008405U1 (en) * 2000-05-10 2001-02-22 Manfred Vogel Elmasch Bau Gmbh System for laying materials such as threads, ropes or wires on a bobbin

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Publication number Priority date Publication date Assignee Title
DE3751237T2 (en) 1986-04-09 1995-08-24 Bekaert Sa Nv Conical winding of wire onto a spool with a cylindrical core and two flanges mounted vertically on it.
DE60038214T2 (en) 1999-12-22 2009-03-19 Nittoku Engineering K.K., Urawa Method and device for winding coils
DE102006018428A1 (en) 2006-04-20 2007-10-25 Maschinenfabrik Niehoff Gmbh & Co. Kg Method and device for laying elongated winding material

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