WO1986006209A1 - Process and device for winding coils as well as coils wound according to the process - Google Patents

Process and device for winding coils as well as coils wound according to the process Download PDF

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Publication number
WO1986006209A1
WO1986006209A1 PCT/DE1986/000164 DE8600164W WO8606209A1 WO 1986006209 A1 WO1986006209 A1 WO 1986006209A1 DE 8600164 W DE8600164 W DE 8600164W WO 8606209 A1 WO8606209 A1 WO 8606209A1
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WO
WIPO (PCT)
Prior art keywords
winding
coil
spacer
receiving device
spacers
Prior art date
Application number
PCT/DE1986/000164
Other languages
German (de)
French (fr)
Inventor
Erwin Müller
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO1986006209A1 publication Critical patent/WO1986006209A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/10—Connecting leads to windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former

Definitions

  • the invention relates to a method for winding coils, wherein a coil former made of insulating material is fastened in an accommodating device with anchored connecting pins, a desired number of turns on the winding wire then being drawn off from a supply roll by means of a winding device and in a winding space of the Coil body is applied and at the beginning of the winding process the beginning of the winding and after the end of the winding process the winding end are wound on each of the connecting pins.
  • the invention relates to a device for carrying out this method and to the use of a coil wound by the method.
  • connection pins When winding bobbins, the coil wire must always be under a certain tension in order to ensure uniform winding and a predetermined filling of the winding space in the bobbin.
  • connection pins When winding starts and ends of windings on connection pins are also under the same tensile stress, which is undesirable when using such a coil. If possible, the connecting wires embedded in the coil body are therefore bent to relieve the strain on the coil wire in the direction of the winding space. However, this is only possible if the connection pins extend beyond the embedding area in the coil body and form a winding pin on the side opposite the installation plane of the coil, which does not have to be in a certain grid.
  • the object of the invention is to provide a method and a device for winding coils of the type mentioned at the beginning, an effective strain relief of the winding ends being achieved even without subsequent deformation of the connecting pins.
  • this object is achieved in that, before the start of the winding process, a nose-shaped spacer is arranged in the angular range between a respective connection pin and the coil former, in that the coil wire after the winding start has been wound onto the first connection pin and / or before the winding end is wound is placed on the second connecting pin over the respective spacer to form a loop adapted to the contour thereof and that the spacer is pulled out of the loop formed in each case after winding has been completed.
  • the wound winding ends are moved in each case after the spacer has been pulled out of the loop of the coil wire on the connecting pin in the direction of its anchoring point. In this way, the loop caused by the spacer can be enlarged still further, and the strain relief can thus be further improved.
  • An expedient device for winding coils and for carrying out the above-mentioned method which has a receiving device for a bobbin, a winding device and spacers, is characterized in that the spacers are connected to the receiving device in such a way that they are connected in the winding position, the bobbin can be placed on the connection pins in the vicinity of their clamping point and, with their curved outer contour, each protrude into the area between the winding space and the connection pin.
  • these spacers can either be mounted as displaceably mounted jaws or as pivotable hooks on the receiving device.
  • a particularly simple embodiment provides for the spacers to be rigidly connected to a winding mandrel of the receiving device and to be displaceable together with the latter in the axial direction of the coil winding.
  • the coils wound according to the invention are used in electromagnetic relays for installation in printed circuit boards.
  • the invention is explained in more detail below using exemplary embodiments with reference to the drawing. Show it
  • FIG. 1 shows a section of a conventional coil former flange with two connecting pins for the beginning and the end of a coil winding
  • FIG. 2 and 3 a detailed representation of a connecting pin fastened in a bobbin flange with a spacer provided on a receiving device for winding in two views
  • FIGS. 4 and 5 a modified representation compared to FIGS. 2 and 3 with a hook-shaped, pivotable spacer
  • FIG. 1 shows a section of the flange of a coil former constructed in a conventional manner, in which two connecting pins 2 and 3 are anchored, for example embedded. These pins 2 and 3 are in a certain pitch and are to be inserted into corresponding holes 4 of a circuit board 5.
  • a winding start 6 or winding end 7 is wound onto the connecting pins 2 and 3 in the area between the printed circuit board and the coil former flange 1.
  • the coil body is formed by recesses 8 and 9 relative to the coil body parts resting on the printed circuit board 5, for. B. 10, reset.
  • the coil wire 11 which is under tension, after the winding start 6 has been wound on the connecting pin 2, is rectilinear on the coil body flange 1 is drawn into the winding space (not shown), there the winding is applied with the prescribed number of turns and the end of the winding is in turn guided in a straight line from the winding space in the direction of the arrow shown to the connecting pin 3, where the winding end 7 is wrapped up.
  • connection pins 2 and 3 Since the connecting pins 2 and 3 must not be bent to relieve the tension due to the connection grid, the tensile stress caused by the winding remains at both the beginning and end of the winding, even after the beginning of the winding 6 and the end 7 of the winding with one Soldering means 12 were soldered to their connecting pins 2 or 3.
  • connection pins 2 and 3 are soldered into the circuit board by means of a wave bath or the like, or also in the event of other temperature fluctuations in operation, there is a risk that the coil wire 11 under tension will tear or that, for example, the solder 12 in the wave pool will become liquid and the tensioned coil wire 11 detaches from pin 2 or 3.
  • a nose-shaped spacer 13 is provided in the receiving device of the automatic winding machine according to FIGS. 2 and 3, which is placed on the coil former flange in the area of the emerging connecting pins is prevented and the straight course of the coil wire between the winding point on the connecting pin and the winding space.
  • FIGS. 2 and 3 such a spacer 13 in the form of a bifurcated nose on the connecting pin 3 is shown, which forces a bulge or loop 14 in the course of the coil wire when the winding end 7 is wound.
  • this wound coil end 7 is located behind pulling out the spacer 13 at a distance a from the underside of the coil body. The winding end 7 can therefore be moved by this distance a to the coil former if necessary and then soldered on. This results in extensive strain relief of the coil wire 11, which is retained even after soldering to the pin 3.
  • a spacer 15 is shown in the form of a pivotable hook 15, the function of this hook 15 corresponds to that of the previously shown spacer 13, i. H. when the winding end 7 is wound up, a loop 16 is formed which, after the hook 15 has been pulled out, brings the desired strain relief.
  • the hook 15 can be mounted on the receiving device of the automatic winder in various ways, so that it can, for example, either be moved in the direction of arrow 17 or pivoted in the direction of arrow 18.
  • FIGS. 6 and 7 Another modification is shown in FIGS. 6 and 7.
  • a bobbin flange 21 is shown there in two views, the bobbin axis 24 and the winding space 25 also being recognizable in FIG. 7.
  • the bobbin which has two embedded connecting pins 22 and 23 in its flange 21, is plugged in the direction of its axis 24 onto a mandrel, not shown, with two spacer lugs 26 and 27 in a similar manner to that in FIG Fig. 2 shown, put on the pins 22 and 23.
  • the spacer lugs 26 and 27 are each firmly connected to the receiving device or to the winding mandrel and can be moved together with the latter.
  • nasal spacers in all of the exemplary embodiments are naturally smoothly polished and tapered in the direction of movement in such a way that they can be easily moved out of the respective loops of the coil wire 11 after the winding ends have been wound up without damaging the coil wire.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Coil Winding Methods And Apparatuses (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

In the winding of a coil body (1), nose-shaped wire guides (13) are placed alongside each of the terminal pegs (3) which receive the beginning or end of the winding (7), in such a way that the coil wire (11) in the area between the terminal peg and the winding area forms a noose (14). After the wire guide (13) has been drawn out there thus occurs a relaxation of pressure on the winding end. The wire guides can be be firmly attached to the winding spindle and moved together with the latter.

Description

Verfahren und Vorrichtung zum Bewickeln von Spulen sowie nach dem Verfahren bewickelte SpuleMethod and device for winding coils and coil wound according to the method
Die Erfindung betrifft ein Verfahren zum Bewickeln von Spulen, wobei ein aus Isolierstoff bestehender Spulenkör- per mit verankerten Anschlußstiften in einer Aufnahmeein¬ richtung befestigt wird, wobei dann mittels einer Wickel¬ vorrichtung eine gewünschte Windungszahl am Wickeldraht von einer Vorratsrolle abgezogen und in einem Wickelraum des Spulenkörpers aufgebracht wird und wobei zu Beginn des Wickelvorgangs der Wicklungsanfang und nach Beendi¬ gung des Wickelvorgangs das Wicklungsende an jeweils ei¬ nen der Anschlußstifte angewickelt werden. Außerdem be¬ zieht sich die Erfindung auf eine Vorrichtung zur Durch¬ führung dieses Verfahrens sowie auf die Verwendung einer nach dem Verfahren bewickelten Spule.The invention relates to a method for winding coils, wherein a coil former made of insulating material is fastened in an accommodating device with anchored connecting pins, a desired number of turns on the winding wire then being drawn off from a supply roll by means of a winding device and in a winding space of the Coil body is applied and at the beginning of the winding process the beginning of the winding and after the end of the winding process the winding end are wound on each of the connecting pins. In addition, the invention relates to a device for carrying out this method and to the use of a coil wound by the method.
Beim Wickeln von Spulen muß der Spulendraht immer unter einer bestimmten Zugspannung stehen, um eine gleichmäßige Bewicklung sowie eine vorgegebene Füllung des Wickelraums im Spulenkörper zu gewährleisten. Beim Anwickeln der Wicklungsanfänge und Wicklungsenden an Anschlußstifte stehen diese ebenfalls unter der gleichen Zugspannung, was jedoch beim Einsatz einer derartigen Spule uner¬ wünscht ist. Wenn möglich, werden deshalb die im Spulen- körper eingebetteten Anschlußdrähte zur Zugentlastung des Spulendrahtes in Richtung auf den Wickelraum abgebogen. Dies ist jedoch nur dann möglich, wenn die Anschlußstifte über den Einbettungsbereich im Spulenkörper hinaus wei¬ tergeführt sind und an der der Einbauebene der Spule ent- gegengesetzten Seite einen Anwickelstift bilden, der nicht in einem bestimmten Raster liegen muß. Ist es je¬ doch aus bestimmten Gründen notwendig, etwa bei einem Re¬ lais die im vorgeschriebenen Raster liegenden Spulenan- schlußstifte unmittelbar an der Einbauseite mit den Wick- lungsenden zu verbinden, so kann eine derartige Abbiegung zur Zugentlastung nicht vorgenommen werden. In diesen Fällen besteht dann die Gefahr, daß der unter Zugspannung stehende Spulendraht bei thermischer Belastung, etwa beim Einschwallen eines Relais in eine Leiterplatte, reißt. Bei dem erwähnten Einschwallen kann es auch vorkommen, daß die Lötverbindung zwischen den jeweiligen Spulenenden und den Anschlußstiften durch das Schwallbad verflüssigt wird und daß sich dabei die unter Spannung stehenden Wicklungsenden lösen.When winding bobbins, the coil wire must always be under a certain tension in order to ensure uniform winding and a predetermined filling of the winding space in the bobbin. When winding starts and ends of windings on connection pins are also under the same tensile stress, which is undesirable when using such a coil. If possible, the connecting wires embedded in the coil body are therefore bent to relieve the strain on the coil wire in the direction of the winding space. However, this is only possible if the connection pins extend beyond the embedding area in the coil body and form a winding pin on the side opposite the installation plane of the coil, which does not have to be in a certain grid. However, if it is necessary for certain reasons, for example in the case of a relay, to connect the coil connecting pins in the prescribed grid directly to the winding ends on the installation side, such a deflection for strain relief cannot be carried out. In these cases, there is then the danger that the coil wire under tension will break under thermal stress, for example when a relay swells into a printed circuit board. When the surge is mentioned, it can also happen that the soldered connection between the respective coil ends and the connection pins is liquefied by the wave bath and that the winding ends under tension are loosened in the process.
Aufgabe der Erfindung ist es, ein Verfahren und eine Vor¬ richtung zum Bewickeln von Spulen der eingangs genannten Art anzugeben, wobei eine wirksame Zugentlastung der Wicklungsenden auch ohne nachträgliche Deformation der Anschlußstifte erreicht wird.The object of the invention is to provide a method and a device for winding coils of the type mentioned at the beginning, an effective strain relief of the winding ends being achieved even without subsequent deformation of the connecting pins.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß vor dem Beginn des Wickelvorgangs ein nasenförmiger Ab¬ standhalter im Winkelbereich zwischen einem jeweiligen Anschlußstift und dem Spulenkörper angeordnet wird, daß der Spulendraht nach dem Anwickeln des Wicklungsanfangs an den ersten Anschlußstift und/oder vor dem Anwickeln des Wicklungsendes an den zweiten Anschlußstift über den jeweiligen Abstandhalter unter Bildung einer dessen Kαn- tur angepaßten Schlaufe gelegt wird und daß der Abstand¬ halter nach Beendigung des Anwickelns aus der jeweils ge¬ bildeten Schlaufe gezogen wird.According to the invention, this object is achieved in that, before the start of the winding process, a nose-shaped spacer is arranged in the angular range between a respective connection pin and the coil former, in that the coil wire after the winding start has been wound onto the first connection pin and / or before the winding end is wound is placed on the second connecting pin over the respective spacer to form a loop adapted to the contour thereof and that the spacer is pulled out of the loop formed in each case after winding has been completed.
Mit dem erfindungsgemäßen Verfahren wird also erreicht, daß beim Anwickeln der Wicklungsenden an ihren jeweiligen Anschlußstift die geradlinige Verbindung von der Anwickel- stelle zum Wickelraum des Spulenkörpers und umgekehrt durch einen Abstandhalter unterbrochen wird, so daß zwangsweise eine Schlaufe gebildet wird, die nach Entfer¬ nung des Abstandhalters eine Zugentlastung des Wicklungs- drahtes bewirkt.It is thus achieved with the method according to the invention that when the winding ends are wound onto their respective connecting pin, the straight connection from the winding place to the winding space of the bobbin and vice versa is interrupted by a spacer, so that a loop is inevitably formed, which causes a strain relief of the winding wire after removal of the spacer.
In einer Weiterbildung der Erfindung kann auch vorgesehen werden, daß die angewickelten Wicklungsenden jeweils nach dem Herausziehen des Abstandshalters aus der Schlaufe des Spulendrahtes auf dem Anschlußstift in Richtung zu dessen Verankerungsstelle hin verschoben werden. Auf diese Weise kann die durch den Abstandhalter hervorgerufene Schlaufe noch vergrößert und damit die Zugentlastung weiter verbes¬ sert werden.In a further development of the invention it can also be provided that the wound winding ends are moved in each case after the spacer has been pulled out of the loop of the coil wire on the connecting pin in the direction of its anchoring point. In this way, the loop caused by the spacer can be enlarged still further, and the strain relief can thus be further improved.
Eine zweckmäßige Vorrichtung zum Bewickeln von Spulen und zur Durchführung des obengenannten Verfahrens, welche ei¬ ne Aufnahmeeinrichtung für einen Spulenkörper, eine Wik- keleinrichtung und Abstandhalter aufweist, ist dadurch gekennzeichnet, daß die Abstaπdhalter mit der Aufnahmeeiπ- richtung derart verbunden sind, daß sie bei in Wickelpo¬ sition befindlichem Spulenkörper an die Anschlußstifte in der Nähe von deren Einspannstelle anlegbar sind und dabei mit ihrer gewölbten Außenkontur jeweils in den Bereich zwischen Wickelraum und Anschlußstift hineinragen. Diese Abstandhalter können je nach den Umständen entweder als verschiebbar gelagerte Backen oder als verschwenkbare Ha¬ ken an der Aufnahmeeinrichtung gelagert sein. Eine beson¬ ders einfache Ausführungsform sieht jedoch vor, daß die Abstandhalter starr mit einem Wickeldorn der Aufnahmeein¬ richtung verbunden und in Axialrichtung der Spulenwick¬ lung gemeinsam mit diesem verschiebbar sind.An expedient device for winding coils and for carrying out the above-mentioned method, which has a receiving device for a bobbin, a winding device and spacers, is characterized in that the spacers are connected to the receiving device in such a way that they are connected in the winding position, the bobbin can be placed on the connection pins in the vicinity of their clamping point and, with their curved outer contour, each protrude into the area between the winding space and the connection pin. Depending on the circumstances, these spacers can either be mounted as displaceably mounted jaws or as pivotable hooks on the receiving device. A particularly simple embodiment, however, provides for the spacers to be rigidly connected to a winding mandrel of the receiving device and to be displaceable together with the latter in the axial direction of the coil winding.
In bevorzugter Anwendung der erfindungsgemäß bewickelten Spulen werden diese bei elektromagnetischen Relais zum Einbau in Leiterplatten eingesetzt. Die Erfindung wird nachfolgend an Ausführungsbeispielen anhand der Zeichnung näher erläutert. Es zeigenIn a preferred application of the coils wound according to the invention, they are used in electromagnetic relays for installation in printed circuit boards. The invention is explained in more detail below using exemplary embodiments with reference to the drawing. Show it
Fig. 1 einen ausschnittsweise dargestellten herkömmlichen Spulenkörperflansch mit zwei Anschlußstiften für den An¬ fang und das Ende einer Spulenwicklung,1 shows a section of a conventional coil former flange with two connecting pins for the beginning and the end of a coil winding,
Fig. 2 und 3 eine Detaildarstellung eines in einem Spu¬ lenkörperflansch befestigten Anschlußstifts mit einem an einer Aufnahmeeinrichtung zum Wickeln vorgesehenen Ab¬ standhalter in zwei Ansichten,2 and 3 a detailed representation of a connecting pin fastened in a bobbin flange with a spacer provided on a receiving device for winding in two views,
Fig. 4 und 5 eine abgewandelte Darstellung gegenüber Fig. 2 und 3 mit einem hakenförmigen, verschwenkbaren Abstand- halter,4 and 5 a modified representation compared to FIGS. 2 and 3 with a hook-shaped, pivotable spacer,
Fig. 6 und 7 eine Ausführungsform mit fest mit der Auf¬ nahmeeinrichtung verbundenen Abstandhaltern.6 and 7 an embodiment with spacers fixedly connected to the receiving device.
Die Fig. 1 zeigt ausschnittsweise den Flansch eines in herkömmlicher Weise aufgebauten Spulenkörpers, in welchem zwei Anschlußstifte 2 und 3 verankert, beispielsweise eingebettet, sind. Diese Anschlußstifte 2 und 3 liegen in einem bestimmten Rastermaß und sollen in entsprechende Bohrungen 4 einer Leiterplatte 5 eingesetzt werden. An die Anschlußstifte 2 bzw. 3 wird jeweils ein Wicklungsan¬ fang 6 bzw. Wicklungsende 7 im Bereich zwischen Leiter¬ platte und Spulenkörperflansch 1 angewickelt. Zu diesem Zweck ist der Spulenkörper durch Ausnehmungen 8 bzw. 9 gegenüber den auf der Leiterplatte 5 aufliegenden Spulen¬ körperteilen, z. B. 10, zurückgesetzt.1 shows a section of the flange of a coil former constructed in a conventional manner, in which two connecting pins 2 and 3 are anchored, for example embedded. These pins 2 and 3 are in a certain pitch and are to be inserted into corresponding holes 4 of a circuit board 5. A winding start 6 or winding end 7 is wound onto the connecting pins 2 and 3 in the area between the printed circuit board and the coil former flange 1. For this purpose, the coil body is formed by recesses 8 and 9 relative to the coil body parts resting on the printed circuit board 5, for. B. 10, reset.
Wird nun eine Spule in herkömmlicher Weise nach der in Fig. 1 dargestellten Art bewickelt, so wird der unter Spannung stehende Spulendraht 11 nach dem Anwickeln des Wickelanfangs 6 am Anschlußstift 2 geradlinig am Spulen- körperflansch 1 entlang in den nicht dargestellten Wickel¬ raum gezogen, dort wird die Wicklung mit der vorgeschrie¬ benen Anzahl von Windungen aufgebracht und das Wicklungs¬ ende wird wiederum geradlinig vom Wickelraum in der dar- gestellten Pfeilrichtung zum Anschlußstift 3 geführt, wo das Wicklungsende 7 angewickelt wird. Da die Anschlu߬ stifte 2 und 3 wegen des Anschlußrasters nicht zur Zug¬ entlastung gebogen werden dürfen, bleibt also die durch das Wickeln bedingte Zugspannung sowohl am Wicklungsan- fang wie am Wicklungsende bestehen, auch nachdem Wick¬ lungsanfang 6 und Wicklungsende 7 jeweils mit einem Löt¬ mittel 12 an ihre Anschlußstifte 2 bzw. 3 angelötet wur¬ den. Beim Einlöten der Anschlußstifte 2 und 3 in die Lei¬ terplatte durch ein Schwallbad oder dergleichen oder auch bei sonstigen Temperaturschwankungen im Betrieb besteht die Gefahr, daß der unter Spannung stehende Spulendraht 11 reißt oder daß beispielsweise das Lötmittel 12 im Schwallbad flüssig wird und der gespannte Spulendraht 11 sich vom Anschlußstift 2 bzw. 3 löst.If a coil is now wound in a conventional manner in accordance with the type shown in FIG. 1, the coil wire 11, which is under tension, after the winding start 6 has been wound on the connecting pin 2, is rectilinear on the coil body flange 1 is drawn into the winding space (not shown), there the winding is applied with the prescribed number of turns and the end of the winding is in turn guided in a straight line from the winding space in the direction of the arrow shown to the connecting pin 3, where the winding end 7 is wrapped up. Since the connecting pins 2 and 3 must not be bent to relieve the tension due to the connection grid, the tensile stress caused by the winding remains at both the beginning and end of the winding, even after the beginning of the winding 6 and the end 7 of the winding with one Soldering means 12 were soldered to their connecting pins 2 or 3. When the connection pins 2 and 3 are soldered into the circuit board by means of a wave bath or the like, or also in the event of other temperature fluctuations in operation, there is a risk that the coil wire 11 under tension will tear or that, for example, the solder 12 in the wave pool will become liquid and the tensioned coil wire 11 detaches from pin 2 or 3.
lim auch ohne nachträgliches Biegen der Anschlußstifte 2 bzw. 3 eine wirksame Zugentlastung zu ermöglichen, wird gemäß Fig. 2 bzw. 3 in der Aufnahmeeinrichtung des Wick¬ lungsautomaten ein nasenförmiger Abstandhalter 13 vorge- sehen, der am Spulenkörperflansch jeweils im Bereich der austretenden Anschlußstifte angelegt wird und den gerad¬ linigen Verlauf des Spulendrahtes zwischen der Anwickel- stelle am Anschlußstift und dem Wickelraum verhindert. Im Beispiel der Fig. 2 und 3 ist ein solcher Abstandhalter 13 in Form einer gegabelten Nase am Anschlußstift 3 dar¬ gestellt, der beim Anwickeln des Wicklungsendes 7 eine Ausbuchtung bzw. Schlaufe 14 im Verlauf des Spulendrahtes erzwingt. Da durch den Abstandhalter 13 der Spulendraht nicht unmittelbar an der Austrittsstelle des Anschluß- stiftes aus dem Spulenkörperflansch angewickelt werden kann, befindet sich dieses angewickelte Spulenende 7 nach dem Herausziehen des Abstandhalters 13 in einem Abstand a von der Spulenkörperunterseite. Das Wicklungsende 7 kann deshalb bei Bedarf um diese Strecke a zum Spulenkörper hin verschoben und dann angelötet werden. Dadurch ergibt sich eine weitgehende Zugentlastung des Spulendrahtes 11, die auch nach dem Anlöten am Anschlußstift 3 erhalten bleibt.lim, even without subsequent bending of the connecting pins 2 and 3, to provide effective strain relief, a nose-shaped spacer 13 is provided in the receiving device of the automatic winding machine according to FIGS. 2 and 3, which is placed on the coil former flange in the area of the emerging connecting pins is prevented and the straight course of the coil wire between the winding point on the connecting pin and the winding space. In the example of FIGS. 2 and 3, such a spacer 13 in the form of a bifurcated nose on the connecting pin 3 is shown, which forces a bulge or loop 14 in the course of the coil wire when the winding end 7 is wound. Since the spacer 13 does not allow the coil wire to be wound directly from the coil body flange at the point of exit of the connecting pin, this wound coil end 7 is located behind pulling out the spacer 13 at a distance a from the underside of the coil body. The winding end 7 can therefore be moved by this distance a to the coil former if necessary and then soldered on. This results in extensive strain relief of the coil wire 11, which is retained even after soldering to the pin 3.
Anstelle des in den Fig. 2 und 3 dargestellten Abstand- halters 13 in Form eines geradlinig verschiebbaren Bak- kens können auch andere Formen verwendet werden. So ist in den Fig. 4 und 5 ein Abstandhalter 15 in Form eines verschwenkbaren Hakens 15 dargestellt, die Funktion die¬ ses Hakens 15 entspricht der des vorher dargestellten Ab- standhalters 13, d. h. es wird beim Anwickeln des Wick¬ lungsendes 7 eine Schlaufe 16 gebildet, die nach dem Her¬ ausziehen des Hakens 15 die gewünschte Zugentlastung bringt. Der Haken 15 kann dabei an der Aufnahmeeinrich¬ tung des Wickelautomaten in verschiedener Weise gelagert werden, so daß er beispielsweise entweder in Richtung des Pfeiles 17 bewegt oder in Richtung des Pfeiles 18 ver¬ schwenkt werden kann.Instead of the spacer 13 shown in FIGS. 2 and 3 in the form of a linearly displaceable jaw, other shapes can also be used. 4 and 5, a spacer 15 is shown in the form of a pivotable hook 15, the function of this hook 15 corresponds to that of the previously shown spacer 13, i. H. when the winding end 7 is wound up, a loop 16 is formed which, after the hook 15 has been pulled out, brings the desired strain relief. The hook 15 can be mounted on the receiving device of the automatic winder in various ways, so that it can, for example, either be moved in the direction of arrow 17 or pivoted in the direction of arrow 18.
Eine weitere Abwandlung ist in Fig. 6 und 7 dargestellt. Gezeigt ist dort ein Spulenkörperflansch 21 in zwei An¬ sichten, wobei in Fig. 7 auch die Spulenachse 24 und der Wickelraum 25 erkennbar sind. Zum Bewickeln wird der Spu¬ lenkörper, der in seinem Flansch 21 zwei eingebettete An¬ schlußstifte 22 und 23 aufweist, in Richtung seiner Achse 24 auf einen nicht dargestellten Aufnahmedorn aufgesteckt, wobei sich zwei Abstandsnasen 26 und 27 in ähnlicher Wei¬ se, wie in Fig. 2 gezeigt, an die Anschlußstifte 22 und 23 anlegen. Im Gegensatz zu den vorher beschriebenen Ausfüh¬ rungsbeispielen sind die Abstandsnasen 26 und 27 jeweils fest mit der Aufnahmeeinrichtung bzw. mit dem Wickeldo-rn verbunden und gemeinsam mit diesem bewegbar. Dadurch wer- den diese Abstandsnasen 26 und 27 nach dem Aufbringen "der Wicklung mit dem Abnehmen des Spulenkörpers vom Wickel¬ dorn automatisch mit aus den jeweils gebildeten Schlaufen 28 bzw. 29 herausgezogen, wodurch sich die gewünschte Zugentlastung ergibt. Es ist also kein zusätzlicher Ar¬ beitsschritt zur Bewegung der Abstandsnasen 26 bzw. 27 erforderlich.Another modification is shown in FIGS. 6 and 7. A bobbin flange 21 is shown there in two views, the bobbin axis 24 and the winding space 25 also being recognizable in FIG. 7. For winding, the bobbin, which has two embedded connecting pins 22 and 23 in its flange 21, is plugged in the direction of its axis 24 onto a mandrel, not shown, with two spacer lugs 26 and 27 in a similar manner to that in FIG Fig. 2 shown, put on the pins 22 and 23. In contrast to the previously described exemplary embodiments, the spacer lugs 26 and 27 are each firmly connected to the receiving device or to the winding mandrel and can be moved together with the latter. This will to this spacer lugs 26 and 27 after the application "of the winding with the removal of the bobbin from Wickel¬ spine automatically from the respectively formed loops 28 and 29, pulled out, resulting in the desired strain relief. It is therefore beitsschritt no additional Ar¬ to Movement of the spacer lugs 26 and 27 is required.
Die nasenför igen Abstandhalter sind bei allen Ausfüh- rungsbeispielen naturgemäß glatt poliert und derart in Bewegungsrichtung verjüngt ausgebildet, daß sie nach dem Anwickeln der Wicklungsenden leicht aus den jeweiligen Schlaufen des Spulendrahtes 11 herausbewegt werden kön¬ nen, ohne den Spulendraht zu beschädigen.The nasal spacers in all of the exemplary embodiments are naturally smoothly polished and tapered in the direction of movement in such a way that they can be easily moved out of the respective loops of the coil wire 11 after the winding ends have been wound up without damaging the coil wire.
7 Patentansprüche 7 Figuren 7 claims 7 figures

Claims

Patentansprüche Claims
1. Verfahren zum Bewickeln von Spulen, wobei ein aus Iso¬ lierstoff bestehender Spulenkörper mit verankerten An- schlußstiften in einer Aufnahmeeinrichtung befestigt wird, wobei mittels einer Wickelvorrichtung eine gewünschte Win¬ dungszahl an Spulendraht von einer Vorratsrolle abgezogen und in einem Wickelraum des Spulenkörpers aufgebracht wird und wobei zu Beginn des Wickelvorgangs der Wicklungsanfang und nach Beendigung des Wickelvorgangs das Wicklungsende an jeweils einen der Anschlußstifte angewickelt werden, d a d u r c h g e k e n n z e i c h n e t , daß vor dem Beginn des Wickelvorgangs ein nasenförmiger Abstand¬ halter. (13; 15; 26, 27) im Winkelbereich zwischen einem jeweiligen Anschlußstift (2, 3; 22, 23) und dem Spulen¬ körper (1; 21) angeordnet wird, daß der Spulendraht (11) nach dem Anwickeln des Wicklungsanfangs (6) an den ersten Anschlußstift (2; 22) und/oder vor dem Anwickeln des Wicklungsendes (7) an den zweiten Anschlußstift (3; 23) über den Abstandhalter (13; 15; 26, 27) unter Bildung einer dessen Kontur angepaßten Schlaufe (14; 16; 28, 29) gelegt wird und daß der Abstandhalter nach Beendigung des Anwickelns aus der jeweils gebildeten Schlaufe gezogen wird.1. A method for winding coils, wherein a coil former consisting of insulating material is fastened in a receiving device with anchored connecting pins, a desired number of turns of coil wire being drawn off from a supply roll by means of a winding device and applied in a winding space of the coil former and at the beginning of the winding process the winding start and after the winding process the winding end are wound onto one of the connecting pins, characterized in that before the start of the winding process a nose-shaped spacer. (13; 15; 26, 27) is arranged in the angular range between a respective connection pin (2, 3; 22, 23) and the coil body (1; 21) so that the coil wire (11) after winding the start of the winding (6 ) to the first connection pin (2; 22) and / or before the winding end (7) is wound onto the second connection pin (3; 23) via the spacer (13; 15; 26, 27) to form a loop ( 14; 16; 28, 29) and that the spacer is pulled out of the loop formed after completion of the winding.
2. Verfahren nach Anspruch 1, d a d u.r c h g e ¬ k e n n z e i c h n e t , daß der angewickelte Wick¬ lungsanfang (6) bzw. das angewickelte Wicklungsende (7) jeweils nach dem Herausziehen des Abstandhalters (13; 15; 26, 27) aus der Schlaufe (14; 16; 28, 29) des Spulendrah¬ tes (11) auf dem Anschlußstift (2, 3; 22, 23) in Richtung auf dessen Verankerungsstelle verschoben werden.2. The method according to claim 1, dad ur chge ¬ indicates that the wound winding start (6) or the wound winding end (7) each after the removal of the spacer (13; 15; 26, 27) from the loop (14 ; 16; 28, 29) of the coil wire (11) on the connecting pin (2, 3; 22, 23) are displaced in the direction of its anchoring point.
3. Vorrichtung zur Durchführung des Verfahrens nach An- spruch 1 oder 2 mit einer Aufnahmeeinrichtung, einer3. Device for performing the method according to claim 1 or 2 with a receiving device, one
Wickeleinrichtung sowie Abstandhaltern, d a d u r c h g e k e n n z e i c h n e t , daß die Abstandhalter (13; 15; 26, 27) mit der Aufnahmeeinrichtung derart ver¬ bunden sind, daß sie bei in Wickelposition befindlichem Spulenkörper (1; 21) an die Anschlußstifte (2, 3; 22, 23) in der Nähe von deren Einspannstelle anlegbar sind und dabei mit ihren gewölbten Außenkonturen jeweils in den Bereich zwischen Wickelraum (25) und Anschlußstift (2, 3; 22, 23) hineinragen.Winding device and spacers, thereby characterized in that the spacers (13; 15; 26, 27) are connected to the receiving device in such a way that they are close to the connecting pins (2, 3; 22, 23) when the bobbin (1; 21) is in the winding position can be applied from their clamping point and, with their curved outer contours, each protrude into the area between the winding space (25) and the connecting pin (2, 3; 22, 23).
4. Vorrichtung nach Anspruch 3, d a d u r c h g e ¬ k e n n z e i c h n e t , daß der bzw. die Abstandhal¬ ter (13) jeweils als relativ zu der Aufnahmeeinrichtung verschiebbar gelagerte Backen (13) ausgebildet sind.4. Apparatus according to claim 3, so that the spacer (s) (13) are each formed as jaws (13) slidably mounted relative to the receiving device.
5. Vorrichtung nach Anspruch 3, d a d u r c h g e ¬ k e n n z e i c h n e t , daß die Abstandhalter in Form von verschwenkbaren Haken (15) an der Aufnahmeeinrichtung gelagert sind.5. The device according to claim 3, d a d u r c h g e ¬ k e n n z e i c h n e t that the spacers in the form of pivotable hooks (15) are mounted on the receiving device.
6. Vorrichtung nach Anspruch 3, d a d u r c h g e ¬ k e n n z e i c h n e t , daß die Abstandhalter (26, 27) starr mit einem Wickeldorn der Aufnahmeeinrichtung verbunden und in Axialrichtung (24) der Spulenwicklung gemeinsam mit dem Wickeldorn verschiebbar sind.6. The device according to claim 3, d a d u r c h g e ¬ k e n n z e i c h n e t that the spacers (26, 27) rigidly connected to a winding mandrel of the receiving device and in the axial direction (24) of the coil winding are displaceable together with the winding mandrel.
7. Nach dem Verfahren gemäß Anspruch 1 oder 2 bzw. mit der Vorrichtung nach einem der Ansprüche 3 bis 6 bewickel¬ ten Spule, g e k e n n z e i c h n e t d u r c h ihre Verwendung in einem elektromagnetischen Relais. 7. According to the method according to claim 1 or 2 or with the device according to one of claims 3 to 6, the coil is suitable for use in an electromagnetic relay.
PCT/DE1986/000164 1985-04-15 1986-04-14 Process and device for winding coils as well as coils wound according to the process WO1986006209A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3513434.8 1985-04-15
DE19853513434 DE3513434A1 (en) 1985-04-15 1985-04-15 METHOD AND DEVICE FOR WINDING COILS AND COIL WINDED BY THE METHOD

Publications (1)

Publication Number Publication Date
WO1986006209A1 true WO1986006209A1 (en) 1986-10-23

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Application Number Title Priority Date Filing Date
PCT/DE1986/000164 WO1986006209A1 (en) 1985-04-15 1986-04-14 Process and device for winding coils as well as coils wound according to the process

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Country Link
EP (1) EP0217885A1 (en)
JP (1) JPS62502505A (en)
DE (1) DE3513434A1 (en)
WO (1) WO1986006209A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261681A (en) * 1990-05-21 1993-05-26 Siemens Matsushita Components Electric coil winding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030682A1 (en) * 1970-06-22 1971-12-30 Siemens Ag Method and device for the production of electromagnetic coils, in particular for relays
DE2558057A1 (en) * 1975-12-22 1977-06-23 Licentia Gmbh Coil assembly cutting tool - compresses wire:wrap connection turns on contact pin and cuts off projecting end in one continuous movement
DE2704024A1 (en) * 1977-02-01 1978-08-03 Eichhoff Werke Coil winding device producing extended wire ends - fits inside input channel to former to produce enlarged dia. final turn before removal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826493U (en) * 1981-08-12 1983-02-19 株式会社日立製作所 clothes dryer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030682A1 (en) * 1970-06-22 1971-12-30 Siemens Ag Method and device for the production of electromagnetic coils, in particular for relays
DE2558057A1 (en) * 1975-12-22 1977-06-23 Licentia Gmbh Coil assembly cutting tool - compresses wire:wrap connection turns on contact pin and cuts off projecting end in one continuous movement
DE2704024A1 (en) * 1977-02-01 1978-08-03 Eichhoff Werke Coil winding device producing extended wire ends - fits inside input channel to former to produce enlarged dia. final turn before removal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261681A (en) * 1990-05-21 1993-05-26 Siemens Matsushita Components Electric coil winding

Also Published As

Publication number Publication date
EP0217885A1 (en) 1987-04-15
DE3513434A1 (en) 1986-10-16
JPS62502505A (en) 1987-09-24

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