EP0714107A1 - Winding mechanism - Google Patents

Winding mechanism Download PDF

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Publication number
EP0714107A1
EP0714107A1 EP94810666A EP94810666A EP0714107A1 EP 0714107 A1 EP0714107 A1 EP 0714107A1 EP 94810666 A EP94810666 A EP 94810666A EP 94810666 A EP94810666 A EP 94810666A EP 0714107 A1 EP0714107 A1 EP 0714107A1
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EP
European Patent Office
Prior art keywords
wire
lever
coil
guide plane
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94810666A
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German (de)
French (fr)
Inventor
Edwin Annaheim
Zdrahal Pavel
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Soma AG
Original Assignee
Soma AG
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Filing date
Publication date
Application filed by Soma AG filed Critical Soma AG
Priority to EP94810666A priority Critical patent/EP0714107A1/en
Publication of EP0714107A1 publication Critical patent/EP0714107A1/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/04Apparatus 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
    • H01F41/06Coil winding
    • H01F41/08Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores

Definitions

  • the invention relates to a winding device, in particular a winding device for producing toroidal coils, also called toroidal coils, according to the preamble of patent claim 1.
  • Toroid coils are coils with a round, hollow core that is wrapped.
  • a device which has a magazine in which a wire supply corresponding to the wire length to be wound on the core is received.
  • the core is inserted into the magazine and the core is wrapped with wire by a relative movement between the core and the coil.
  • the disadvantage of this device is that once wire is wound up in the magazine, which is then used again when the bobbin is formed, ie there are two manufacturing steps, ie winding processes.
  • the lower dimension of toroidal coils that can be produced is limited by a minimum size of the core hole, so that the magazine can still be guided through the core hole.
  • there is also a limit to the processability of wires which is determined by the thickness of the wire and the diameter of the core hole.
  • the object of the present invention is to provide a winding device which works to avoid two winding processes (magazine, coil) without a magazine, and which permits the production of coils with small core holes even with thick wires and the task becomes According to the invention solved by the characterizing features of claim 1. Advantageous embodiments of the invention result from the claims following claim 1.
  • the device 10 consists of two levers 11 and 12, which are each formed from two lever segments 11a, 11b and 12a, 12b.
  • the lever segments 11a, 11b and 12a, 12b can be pivoted relative to one another in that lever segment 12b is connected to the axis 13 and lever segment 12a with the rotary housing 14 and the axis 13 is rotatably mounted in the rotary housing 14, the rotary housing 14 also being shown on the circumference of the Rotating housing 14 can be rotated attacking about its longitudinal axis 13. In addition to the rotatability of the rotary housing 14, this can be moved together with the lever 12 and the axis 13 in the direction of its longitudinal axis.
  • the free ends of the lever segments 12a, 12b are designed as a clamping device in which a wire 15 can be held by means of two clamping jaws 16 and 17.
  • Lever 11 with bearings etc. is identical to lever 12 and performs the same functions as rotation, clamping and axial displacement.
  • the axis 13 of the lever 12a and the axis 18 of the lever 11b are axially aligned, but in mirror image separated from each other at a minimum distance, so that the lever 11 and lever 12 can be driven individually for rotation, closing movement and axial displacement, the minimum distance in corresponding working positions the lever 11 and 12 corresponds to the width of one of the tensioning rollers 25, 26.
  • the drives are not shown.
  • With 19 a wire plane (idealized) is referred to, in which the wire 15 moves, whereas the lever 12 with jaws 16, 17 and the lever 11 with its jaws can be moved in and out of the plane 19 by the axial displacement.
  • the holder 20 for a coil 21 comprises a drive 22 which drives the holder 20 via an axis of rotation 23, which is arranged centrally to the coil 21.
  • the drive 22 is designed in such a way that a multiplicity of rotational feed steps for generating different winding pitches can be set continuously, the holder 20 with the coil 21 rotating together according to the specifications of the drive.
  • the wire 15 is drawn off from a wire supply, for example a wire supply roll 24.
  • This wire supply roll 24 eliminates the magazine known from the prior art, so that a winding process, namely that of magazine loading, is saved according to the invention.
  • a tension roller 25 interacts with lever 11 and a tension roller 26 with lever 12.
  • the tensioning rollers 25, 26 are vertically adjustable in the wire plane 19 and can be moved out of the wire plane 19.
  • a clamping cutting device is provided for the wire 15.
  • the lever 12 clamps in position A standing by means of the lever segments 12a, 12b, the leading end of the wire 15, in that the wire 15 was previously conveyed through the coil 21 by a feed device (not shown).
  • the tensioning roller 26 is in a first lower position B and is located together with the lever 12 in the wire plane 19, while the lever 11 in position C is axially out of the wire plane 19, ie at right angles to the wire plane 19, is moved out.
  • Fig. 3 the first pivoting movement of the lever 12 from position A (Fig. 2) to position D is shown.
  • the lever 12 continuously pulls wire 15 from the wire supply 24 in the wire plane 19 via the tensioning roller 26.
  • the tensioning roller 26 moves from the first lower position B in the wire plane 19 to the position E.
  • the lever 12 has a quantity of wire or piece of wire 15 subtracted according to the amount of wire required to wind the coil.
  • the clamping and cutting device 27 closes, the device 27 initially only jamming.
  • the lever 11 comes into operation by pivoting from position C to position F.
  • the lever 11 opens and, as shown in FIG. 4, the lever segment 11a is in position F, while lever segment 11b is in position G.
  • lever 11 has pinched the wire by means of lever segments 11a, 11b in position F (lever segment 11b pivoted from position G to position F), while lever 12 in position D (lever segment 12a in position D) with lever segment 12b in position H has opened standing. After opening, lever 12 extends from the wire plane 19, so that there is a free wire end or free wire section 28 in the wire plane 19 in the direction of movement of the lever 11 in front of the latter.
  • the tension roller 26 is in the same position E (upper position) as in Fig. 3.
  • the tensioning roller 26 moves into the first lower position B (see also FIG. 2) and in this position B extends from the vertical wire plane 19 at right angles (horizontally).
  • the tension roller 26 releases the wire 15, thus preventing the tension roller 26 from being brought against the circumference of the coil 21 by the wire 15.
  • the release of the wire 15 by the tensioning rollers can also take place in that the tensioning rollers 25, 26 instead of moving out of the wire plane 19 pivot in the latter.
  • the tension roller 25 in position I moves into the wire plane 19 in this position.
  • the leading wire section 28 is conveyed through the coil hole 29.
  • the tensioning roller 25 moves from position 1 (FIG. 5) to position J and tensioning roller 26 is moved into the first lower position B (FIG. 2) and moves in this position back into the wire plane 19.
  • the tensioning roller 26 has moved into the wire plane 19, it moves into a second lower position K and moves off there after it has smoothed a wire section 30 lying on the outside of the bobbin 21 back into position B.
  • the wire 15 is first conveyed through the coil hole 29 by the lever 12 at its free end to form a loop.
  • the lever 12 pivots, thereby placing the wire 15 around the tensioning roller 26 and thus pulling off the wire supply necessary for a complete coil winding.
  • the actual winding process of a loop begins in FIG. 4 by the wire 15 passing from the lever 12 to the lever 11.
  • the lever 11 promotes the free end of the wire 15 through the coil hole 29 and is then taken over again by the lever 12, a process which is repeated with simultaneous rotation of the coil 21 with the holder 20 in accordance with the number of coil turns provided.
  • the device according to the invention achieves the advantage of being able to wind coils with very small coil holes 29, since only a wire 15 without a magazine is conveyed through a coil hole 29 as in the prior art. Furthermore, the post-deformation of the wire section 30 (see FIG. 6) advantageously makes it possible to apply the windings very precisely to a coil ring, as a result of which the electrical properties of coils wound in this way are qualitatively improved.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

The device comprises a holder (20) for the core on which a coil of wire (15) is to be wound, a spool (21), two levers (11,12) which feed the wire, two tensioning rollers (25,26) which act upon the wire and a clamping and cutting device (24,27). The holder can be driven stepwise about an axle (23). The levers can pivot about their axles (13,18) and can be moved into and out of a wire guide plane. Each lever consists of two mutually pivotable lever segments (11a,11b;12a,12b) with upper and lower clamp jaws (16,17) on the free ends of the lever segments. Each lever can be moved along an axis perpendicular to the vertical wire guide plane (19).

Description

Die Erfindung betrifft eine Wickelvorrichtung, insbesondere eine Wickelvorrichtung zur Herstellung von Ringkernspulen, auch Toroidal-spulen genannt, nach dem Oberbegriff des Patentanspruches 1.The invention relates to a winding device, in particular a winding device for producing toroidal coils, also called toroidal coils, according to the preamble of patent claim 1.

Ringkernspulen sind Spulen mit einem runden, mittig hohlen Kern, der umwickelt ist. Zur Herstellung von Spulen dieser Art ist eine Vorrichtung bekannt, die ein Magazin aufweist, in dem ein Drahtvorrat entsprechend der auf den Kern zu wickelnden Drahtlänge aufgenommen ist. Zur Umwicklung wird der Kern in das Magazin eingebracht und durch eine Relativbewegung zwischen Kern und Spule wird der Kern mit Draht umwickelt. Nachteilig bei dieser Vorrichtung ist, dass einmal Draht in dem Magazin aufgewickelt wird, der anschliessend wieder bei der Spulenbildung zur Abwicklung kommt, d.h. es liegen zwei Fertigungsschritte, d.h. Wickelvorgänge vor. Ferner ist die untere Bemessung herstellbarer Ringkernspulen begrenzt durch eine Mindestgrösse des Kernloches, so dass das Magazin noch durch das Kernloch geführt werden kann. Schliesslich ist auch der Verarbeitbarkeit von Drähten eine Grenze gesetzt, die sich aus der Dicke des Drahtes und dem Durchmesser des Kernloches bestimmt.Toroid coils are coils with a round, hollow core that is wrapped. For the production of coils of this type, a device is known which has a magazine in which a wire supply corresponding to the wire length to be wound on the core is received. For winding, the core is inserted into the magazine and the core is wrapped with wire by a relative movement between the core and the coil. The disadvantage of this device is that once wire is wound up in the magazine, which is then used again when the bobbin is formed, ie there are two manufacturing steps, ie winding processes. Furthermore, the lower dimension of toroidal coils that can be produced is limited by a minimum size of the core hole, so that the magazine can still be guided through the core hole. Finally, there is also a limit to the processability of wires, which is determined by the thickness of the wire and the diameter of the core hole.

Von diesem Stand der Technik ausgehend ist die Aufgabe der vorliegenden Erfindung, eine Wickelvorrichtung zu schaffen, die zur Meidung zweier Wickelvorgänge (Magazin, Spule) ohne Magazin arbeitet, und die eine Herstellung von Spulen mit kleinen Kernlöchern auch mit dicken Drähten gestattet und die Aufgabe wird erfindungsgemäss durch die kennzeichnenden Merkmale des Anspruches 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den dem Anspruch 1 folgenden Ansprüchen.Starting from this prior art, the object of the present invention is to provide a winding device which works to avoid two winding processes (magazine, coil) without a magazine, and which permits the production of coils with small core holes even with thick wires and the task becomes According to the invention solved by the characterizing features of claim 1. Advantageous embodiments of the invention result from the claims following claim 1.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispieles und der Zeichnung, es stellen dar:

Fig. 1
die erfindungsgemässe Vorrichtung in perspektivischer Darstellung,
Fig. 2
schematische Ablaufdarstellung:
1. Einfahren Draht,
Fig. 3
2. Erstes Nachziehen des Drahtes mit erstem Hebel,
Fig. 4
3. Vorbereitung zur Uebergabe des Drahtes vom ersten auf einen zweiten Hebel,
Fig. 5
4. Erfolgte Uebergabe des Drahtes von erstem auf zweiten Hebel,
Fig. 6
5. Fördern des Vorlaufendes des Drahtes durch eine Spule, Bildung eines ersten Wicklungsganges,
Fig. 7
6. Einleiten eines nächstfolgenden Wicklungsganges.
Further advantages, features and details of the invention result from the following description of a preferred exemplary embodiment and the drawing, in which:
Fig. 1
the device according to the invention in a perspective view,
Fig. 2
schematic flow diagram:
1. retracting wire,
Fig. 3
2. First pulling the wire with the first lever,
Fig. 4
3. Preparation for transferring the wire from the first to a second lever,
Fig. 5
4. Successful transfer of the wire from the first to the second lever,
Fig. 6
5. conveying the leading end of the wire through a coil, forming a first winding turn,
Fig. 7
6. Initiation of a next following winding cycle.

Fig. 1 zeigt eine bevorzugte Ausführungsform der erfindungsgemäss ausgebildeten Wickelvorrichtung 10. Die Vorrichtung 10 besteht aus zwei Hebeln 11 und 12, die jeweils aus zwei Hebelsegmenten 11a, 11b und 12a, 12b gebildet sind. Die Hebelsegmente 11a, 11b und 12a, 12b sind gegeneinander schwenkbar, indem Hebelsegment 12b mit der Achse 13 und Hebelsegment 12a mit Drehgehäuse 14 verbunden und die Achse 13 im Drehgehäuse 14 drehbar gelagert ist, wobei das Drehgehäuse 14 auch durch nicht gezeigte Mittel am Umfang des Drehgehäuses 14 angreifend um seine Längsachse 13 gedreht werden kann. Zusätzlich zur Drehbarkeit des Drehgehäuses 14 kann dieses zusammen mit dem Hebel 12 und der Achse 13 in Richtung seiner Längsachse verschoben werden. Die freien Enden der Hebelsegmente 12a, 12b sind als Klemmeinrichtung ausgestaltet, in der ein Draht 15 vermittels zweier Klemmbacken 16 und 17 gehalten werden kann. Der Hebel 11 mit Lagerungen etc. ist identisch ausgestaltet wie Hebel 12 und vollführt die gleichen Funktionen, wie Drehung, Klemmung und axiale Verschiebbarkeit. Die Achse 13 des Hebels 12a und die Achse 18 des Hebels 11b sind axial fluchtend, spiegelbildlich jedoch in einem Mindestabstand voneinander getrennt, so dass Hebel 11 und Hebel 12 individuell zu Drehung, Schliessbewegung und axiale Verschiebbarkeit angetrieben werden können, wobei der Mindestabstand in entsprechenden Arbeitsstellungen der Hebel 11 und 12 der Breite einer der Spannrollen 25, 26 entspricht. Die Antriebe sind aus Gründen der Uebersichtlichkeit nicht dargestellt. Mit 19 ist eine Drahtebene (idealisiert) bezeichnet, in der sich der Draht 15 bewegt, wohingegen der Hebel 12 mit Klemmbacken 16, 17 und der Hebel 11 mit seinen Klemmbacken durch die axiale Verschiebbarkeit in die Ebene 19 ein- und ausgefahren werden können.1 shows a preferred embodiment of the winding device 10 designed according to the invention. The device 10 consists of two levers 11 and 12, which are each formed from two lever segments 11a, 11b and 12a, 12b. The lever segments 11a, 11b and 12a, 12b can be pivoted relative to one another in that lever segment 12b is connected to the axis 13 and lever segment 12a with the rotary housing 14 and the axis 13 is rotatably mounted in the rotary housing 14, the rotary housing 14 also being shown on the circumference of the Rotating housing 14 can be rotated attacking about its longitudinal axis 13. In addition to the rotatability of the rotary housing 14, this can be moved together with the lever 12 and the axis 13 in the direction of its longitudinal axis. The free ends of the lever segments 12a, 12b are designed as a clamping device in which a wire 15 can be held by means of two clamping jaws 16 and 17. Of the Lever 11 with bearings etc. is identical to lever 12 and performs the same functions as rotation, clamping and axial displacement. The axis 13 of the lever 12a and the axis 18 of the lever 11b are axially aligned, but in mirror image separated from each other at a minimum distance, so that the lever 11 and lever 12 can be driven individually for rotation, closing movement and axial displacement, the minimum distance in corresponding working positions the lever 11 and 12 corresponds to the width of one of the tensioning rollers 25, 26. For reasons of clarity, the drives are not shown. With 19 a wire plane (idealized) is referred to, in which the wire 15 moves, whereas the lever 12 with jaws 16, 17 and the lever 11 with its jaws can be moved in and out of the plane 19 by the axial displacement.

Die Halterung 20 für eine Spule 21 umfasst einen Antrieb 22, der über eine Drehachse 23, die zentrisch zur Spule 21 angeordnet ist, die Halterung 20 antreibt. Der Antrieb 22 ist so ausgelegt, dass stufenlos eine Vielzahl von Drehvorschubschritten zur Erzeugung unterschiedlicher Wicklungssteigungen einstellbar sind, wobei sich Halterung 20 mit Spule 21 gemeinsam nach Vorgaben des Antriebes drehen.The holder 20 for a coil 21 comprises a drive 22 which drives the holder 20 via an axis of rotation 23, which is arranged centrally to the coil 21. The drive 22 is designed in such a way that a multiplicity of rotational feed steps for generating different winding pitches can be set continuously, the holder 20 with the coil 21 rotating together according to the specifications of the drive.

Wie im einzelnen noch im Zusammenhang mit den schematischen Ablaufdarstellungen erläutert werden wird, wird der Draht 15 von einem Drahtvorrat, beispielsweise einer Drahtvorratsrolle 24 abgezogen. Mit dieser Drahtvorratsrolle 24 entfällt das aus dem Stand der Technik bekannte Magazin, so dass ein Wickelvorgang, nämlich der der Magazinbeschickung, erfindungsgemäss eingespart ist.As will be explained in detail in connection with the schematic flow diagrams, the wire 15 is drawn off from a wire supply, for example a wire supply roll 24. This wire supply roll 24 eliminates the magazine known from the prior art, so that a winding process, namely that of magazine loading, is saved according to the invention.

Mit Hebel 11 wirkt eine Spannrolle 25 und mit Hebel 12 eine Spannrolle 26 zusammen. Die Spannrollen 25, 26 sind in der Drahtebene 19 vertikal verstellbar sowie aus der Drahtebene 19 herausbewegbar. Mit 27 ist für den Draht 15 eine Klemm-Schneidevorrichtung vorgesehen.A tension roller 25 interacts with lever 11 and a tension roller 26 with lever 12. The tensioning rollers 25, 26 are vertically adjustable in the wire plane 19 and can be moved out of the wire plane 19. At 27, a clamping cutting device is provided for the wire 15.

Folgend in den Fig. 2 bis 7 wird der Funktionsablauf der erfindungsgemässen Vorrichtung zur Wicklung einer Spule schrittweise näher erläutert.2 to 7, the functional sequence of the device according to the invention for winding a coil is explained in more detail step by step.

Gemäss Fig. 2 klemmt der Hebel 12 in Postion A stehend vermittels der Hebelsegmente 12a, 12b das vorlaufende Ende des Drahtes 15 ein, indem vorher der Draht 15 durch eine Vorschubeinrichtung (nicht gezeigt) durch die Spule 21 gefördert wurde.2, the lever 12 clamps in position A standing by means of the lever segments 12a, 12b, the leading end of the wire 15, in that the wire 15 was previously conveyed through the coil 21 by a feed device (not shown).

Während des An- oder Einklemmens des Drahtes 15 in den Hebel 12 ist die Spannrolle 26 in einer ersten unteren Position B und befindet sich zusammen mit dem Hebel 12 in der Drahtebene 19, während der Hebel 11 in Position C stehend aus der Drahtebene 19 axial, d.h. im rechten Winkel zur Drahtebene 19, herausgefahren ist. In Fig. 3 wird die erste Schwenkbewegung des Hebels 12 von Position A (Fig. 2) in Position D gezeigt. Während der Schwenkbewegung zieht der Hebel 12 Draht 15 von dem Drahtvorrat 24 in der Drahtebene 19 über die Spannrolle 26 laufend ab. Während des Abzugsvorganges wandert die Spannrolle 26 von der ersten unteren Position B in der Drahtebene 19 aufsteigend in die Position E. Mit Abschluss der Schwenkbewegung des Hebels 12 und der Verschiebung der Spannrolle 26 in ihrer Endstellung E hat der Hebel 12 eine Drahtmenge bzw. Drahtstück 15 abgezogen entsprechend der zur Umwicklung der Spule notwendigen Drahtmenge. Mit Abschluss des Abzugsvorganges, d.h. Hebel 12 in Position D, schliesst die Klemm- und Schneideeinrichtung 27, wobei die Einrichtung 27 vorerst nur klemmt. In Fig. 4 tritt der Hebel 11 in Funktion, indem er aus der Position C in die Position F schwenkt. Während der Schwenkbewegung öffnet sich der Hebel 11 und wie Fig. 4 zeigt, steht das Hebelsegment 11a in Position F, während Hebelesegment 11b in der Position G steht. Diese Schwenkbewegung des Hebels 11 um die Achse 13 erfolgte ausserhalb der Drahtebene 19 und der Hebel 11 fährt anschliessend mit den Hebelsegmenten 11a, 11b in Positionen F und G in die Drahtebene 19 ein. Zweck der so erreichten Einfahrposition ist eine definierte, d.h. in gleicher Ebene wie Hebel 12 liegende Uebernahme des Drahtes 15 vom Hebel 12 auf Hebel 11. Die vollzogene Uebernahme ist in Fig. 5 dargestellt. In Fig. 5 hat der Hebel 11 den Draht vermittels der Hebelsegmente 11a, 11b in Position F (Hebelsegement 11b schwenkte von Position G in Position F) eingeklemmt, während Hebel 12 in Position D (Hebelsegment 12a in Position D) mit Hebelsegment 12b in Position H stehend geöffnet hat. Nach Oeffnung fährt Hebel 12 aus der Drahtebene 19 aus, so dass ein freies Drahtende oder freier Drahtabschnitt 28 in der Drahtebene 19 in Bewegungsrichtung des Hebels 11 vor letzterem vorliegt.During the clamping or clamping of the wire 15 in the lever 12, the tensioning roller 26 is in a first lower position B and is located together with the lever 12 in the wire plane 19, while the lever 11 in position C is axially out of the wire plane 19, ie at right angles to the wire plane 19, is moved out. In Fig. 3 the first pivoting movement of the lever 12 from position A (Fig. 2) to position D is shown. During the pivoting movement, the lever 12 continuously pulls wire 15 from the wire supply 24 in the wire plane 19 via the tensioning roller 26. During the pull-off process, the tensioning roller 26 moves from the first lower position B in the wire plane 19 to the position E. As the pivoting movement of the lever 12 and the displacement of the tensioning roller 26 in its end position E complete, the lever 12 has a quantity of wire or piece of wire 15 subtracted according to the amount of wire required to wind the coil. At the end of the pull-off process, ie lever 12 in position D, the clamping and cutting device 27 closes, the device 27 initially only jamming. In Fig. 4 the lever 11 comes into operation by pivoting from position C to position F. During the pivoting movement, the lever 11 opens and, as shown in FIG. 4, the lever segment 11a is in position F, while lever segment 11b is in position G. This pivoting movement of the lever 11 around Axis 13 took place outside the wire plane 19 and the lever 11 then moves with the lever segments 11a, 11b in positions F and G into the wire plane 19. The purpose of the retracted position thus achieved is a defined transfer of the wire 15 from the lever 12 to the lever 11, which is in the same plane as the lever 12. The completed transfer is shown in FIG. 5. In Fig. 5, lever 11 has pinched the wire by means of lever segments 11a, 11b in position F (lever segment 11b pivoted from position G to position F), while lever 12 in position D (lever segment 12a in position D) with lever segment 12b in position H has opened standing. After opening, lever 12 extends from the wire plane 19, so that there is a free wire end or free wire section 28 in the wire plane 19 in the direction of movement of the lever 11 in front of the latter.

In Fig. 4 ist die Spannrolle 26 in der gleichen Position E (obere Position) wie in Fig. 3. Beim Anklemmen des Drahtes 15 in Fig. 5 fällt, bedingt durch die Bewegung des Hebelsegmentes 11b von Position G in Position F, ein zur vorliegenden Abzugslänge erhöhter Drahtlängenbedarf an, der durch eine federwegbedingte Ausgleichsbewegung der Spannrolle 26 ausgeglichen wird. Nach Anklemmen durch Hebel 11 und Oeffnen von Hebel 12 fährt, wie in Fig. 6 dargestellt, die Spannrolle 26 in die erste untere Position B (siehe auch Fig. 2) und fährt in dieser Position B aus der senkrechten Drahtebene 19 rechtwinklig (horizontal) aus. Mit Bewegung in die erste untere Position B und Ausfahren aus der Drahtebene 19 gibt die Spannrolle 26 den Draht 15 frei, damit wird verhindert, dass die Spannrolle 26 von dem Draht 15 an den Umfang der Spule 21 zur Anlage gebracht würde. Die Freigabe des Drahtes 15 durch die Spannrollen kann auch dadurch erfolgen, dass die Spannrollen 25, 26 anstelle aus der Drahtebene 19 auszufahren in letzterer schwenken.In Fig. 4, the tension roller 26 is in the same position E (upper position) as in Fig. 3. When the wire 15 in Fig. 5 is clamped, due to the movement of the lever segment 11b from position G to position F, one falls to present trigger length increased wire length requirement, which is compensated for by a travel-dependent compensating movement of the tensioning roller 26. After clamping by lever 11 and opening of lever 12, as shown in FIG. 6, the tensioning roller 26 moves into the first lower position B (see also FIG. 2) and in this position B extends from the vertical wire plane 19 at right angles (horizontally). With movement into the first lower position B and extension from the wire plane 19, the tension roller 26 releases the wire 15, thus preventing the tension roller 26 from being brought against the circumference of the coil 21 by the wire 15. The release of the wire 15 by the tensioning rollers can also take place in that the tensioning rollers 25, 26 instead of moving out of the wire plane 19 pivot in the latter.

Die Spannrolle 25 in der Position I fährt in dieser Position in die Drahtebene 19 ein. Nach Einfahren der Spannrolle 25 in Drahtebene 19 schwenkt der Hebel 11 mit eingeklemmtem Draht 15, den Draht 15 um die Spannrolle 25 legend, in die Position C (gleiche Position wie in Fig. 2, aber im Gegenstz zu Fig. 2 in die Drahtebene 19 eingefahren). Der vorlaufende Drahtabschnitt 28 ist, wie in Fig. 6 erkennbar, durch das Spulenloch 29 gefördert. Nach Durchförderung (der Draht 15 ist noch vom Hebel 11 gehalten) bewegt sich die Spannrolle 25 aus der Position 1 (Fig. 5) in die Position J und Spannrolle 26 wird in die erste untere Position B (Fig. 2) bewegt und fährt in dieser Position wieder in die Drahtebene 19 ein. Nachdem die Spannrolle 26 in die Drahtebene 19 eingefahren ist, bewegt sie sich in eine zweite untere Position K und fährt von dort, nachdem sie einen Drahtabschnitt 30 am Spulenkörper 21 aussen anliegend geglättet hat in die Position B zurück.The tension roller 25 in position I moves into the wire plane 19 in this position. After the tensioning roller 25 has been retracted into the wire plane 19, the lever 11 with the pinched wire 15, placing the wire 15 around the tensioning roller 25, pivots into position C (same position as in FIG. 2, but in contrast to FIG. 2) into the wire level 19 retracted). As can be seen in FIG. 6, the leading wire section 28 is conveyed through the coil hole 29. After conveying (the wire 15 is still held by the lever 11), the tensioning roller 25 moves from position 1 (FIG. 5) to position J and tensioning roller 26 is moved into the first lower position B (FIG. 2) and moves in this position back into the wire plane 19. After the tensioning roller 26 has moved into the wire plane 19, it moves into a second lower position K and moves off there after it has smoothed a wire section 30 lying on the outside of the bobbin 21 back into position B.

In Fig. 7 ist annähernd die funktionale Ausgangsposition von Fig. 2 erreicht mit zwei Ausnahmen, die den Abschluss eines Umwicklungsvorganges darstellen. Erstens: die Spannrolle 25 muss von Position I wieder in Position J fahren, um anschliessend zur Freigabe des Drahtes 15 die Drahtebene 19 zu verlassen. Zweitens: für die Bildung der nächsten Schlaufe wird der Draht 15 nicht vom Drahtvorrat 24 abgezogen sondern es wird der vorlaufende Drahtabschnitt 28 wieder von dem Hebel 12 aufgenommen. Zur Bildung der neuen, d.h. der nachfolgenden Schlaufe hat der Hebel 11 den Draht 15 freizugeben und der Hebel 11 hat aus der Drahtebene 19 auszufahren.7 approximately reaches the functional starting position of FIG. 2 with two exceptions, which represent the conclusion of a wrapping process. First: the tensioning roller 25 must move from position I back to position J in order to then leave the wire plane 19 to release the wire 15. Secondly: for the formation of the next loop, the wire 15 is not drawn off from the wire supply 24, but the leading wire section 28 is again taken up by the lever 12. To form the new, i.e. In the following loop, the lever 11 has to release the wire 15 and the lever 11 has to extend out of the wire plane 19.

Gemäss den Ablaufdarstellungen nach den Fig. 2 bis 7 wird zur Bildung einer Schlaufe der Draht 15 zunächst durch das Spulenloch 29 gefördert vom Hebel 12 an seinem freien Ende erfasst. Der Hebel 12 schwenkt, legt dabei den Draht 15 um die Spannrolle 26 und zieht so den für eine vollständige Spulenumwicklung notwendigen Drahtvorrat ab. Der eigentliche Wickelvorgang einer Schlaufe beginnt in Fig. 4, indem der Draht 15 vom Hebel 12 an den Hebel 11 übergeht. Der Hebel 11 fördert das freie Ende des Drahtes 15 durch das Spulenloch 29 und wird anschliessend vom Hebel 12 wieder übernommen, ein Vorgang, der sich bei gleichzeitiger Drehung der Spule 21 mit der Halterung 20 entsprechend der Anzahl der vorgesehenen Spulenwindungen wiederholt. Mit der erfindungsgemässen Vorrichtung ist der Vorteil erreicht, Spulen mit sehr kleinen Spulenlöchern 29 umwickeln zu können, da nur ein Draht 15 ohne Magazin wie beim Stand der Technik durch ein Spulenloch 29 gefördert wird. Ferner wird es durch die Nachverformung des Drahtabschnittes 30 (siehe Fig. 6) in vorteilhafter Weise möglich, die Wicklungen sehr genau an einen Spulenring anzulegen, wodurch die elektrischen Eigenschaften so gewickelter Spulen qualitativ verbessert werden.According to the flow diagrams according to FIGS. 2 to 7, the wire 15 is first conveyed through the coil hole 29 by the lever 12 at its free end to form a loop. The lever 12 pivots, thereby placing the wire 15 around the tensioning roller 26 and thus pulling off the wire supply necessary for a complete coil winding. The actual winding process of a loop begins in FIG. 4 by the wire 15 passing from the lever 12 to the lever 11. The lever 11 promotes the free end of the wire 15 through the coil hole 29 and is then taken over again by the lever 12, a process which is repeated with simultaneous rotation of the coil 21 with the holder 20 in accordance with the number of coil turns provided. The device according to the invention achieves the advantage of being able to wind coils with very small coil holes 29, since only a wire 15 without a magazine is conveyed through a coil hole 29 as in the prior art. Furthermore, the post-deformation of the wire section 30 (see FIG. 6) advantageously makes it possible to apply the windings very precisely to a coil ring, as a result of which the electrical properties of coils wound in this way are qualitatively improved.

Claims (9)

Vorrichtung zur Herstellung von Ringkernspulen, gekennzeichenet durch eine Halterung (20) für den mit einem Draht (15) zu umwicklenden Ringkern, einer Spule (21), zwei den Draht (15) fördende Hebel (11, 12), zwei auf den Draht (15) einwirkende Spannrollen (25, 26) und eine Klemm- und Schneideinrichtung (24, 27).Device for producing toroidal core coils, characterized by a holder (20) for the toroidal core to be wrapped with a wire (15), a coil (21), two levers (11, 12) conveying the wire (15), two on the wire ( 15) acting tensioning rollers (25, 26) and a clamping and cutting device (24, 27). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Halterung (20) um eine Achse (23) schrittweise antreibbar ist.Device according to claim 1, characterized in that the holder (20) can be driven step by step around an axis (23). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die den Draht (15) fördernden Hebel (11,12) um ihre Achsen (13, 18) schwenkbar und in eine Drahtführungsebene (19) ein- und ausfahrbar ausgebildet sind.Apparatus according to claim 1 or 2, characterized in that the levers (11, 12) conveying the wire (15) are designed to be pivotable about their axes (13, 18) and to be retractable and extendable into a wire guide plane (19). Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Hebel (11, 12) aus jeweils zwei zueinander schwenkbaren Hebelsegmenten (11a, 11b, 12a, 12b) mit an den freien Enden der Hebelsegmente angeordneten oberen (16) und unteren (17) Klemmbacken bestehen.Device according to one of claims 1 to 3, characterized in that the levers (11, 12) each consist of two mutually pivotable lever segments (11a, 11b, 12a, 12b) with upper (16) and lower (16) at the free ends of the lever segments. 17) There are clamping jaws. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass jeder Hebel (11, 12) einen mit einem Drehgehäuse (14) zusammenwirkendes Hebelsegment (12a) und ein mit einer Achse (13) zusammenwirkendes Hebelsegment (12b) umfasst, wobei die Achse (13) in dem Drehgehäuse (14) und das Drehgehäuse (14) um die Achse (13) schwenkbar ausgebildet ist.Device according to one of claims 1 to 4, characterized in that each lever (11, 12) comprises a lever segment (12a) interacting with a rotary housing (14) and a lever segment (12b) interacting with an axis (13), the axis (13) in the rotary housing (14) and the rotary housing (14) is designed to be pivotable about the axis (13). Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass jeder Hebel (11, 12) entlang den Achsen (13, 18) senkrecht zu der vertikal verlaufenden Drahtführungsebene (19) verschiebbar ist.Device according to one of claims 1 to 5, characterized in that each lever (11, 12) along the axes (13, 18) is displaceable perpendicular to the vertical wire guide plane (19). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Spannrollen (25, 26) senkrecht zur und in der vertikal verlaufenden Drahtführungsebene bewegbar ausgebildet sind.Device according to one of claims 1 to 6, characterized in that the tensioning rollers (25, 26) are designed to be movable perpendicularly to and in the vertical wire guide plane. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Spannrollen (25, 26) zur Drahtführungsebene (19) schwenkbar und in der Drahtführungsebene (19) verschiebbar ausgebildet sind.Device according to one of claims 1 to 6, characterized in that the tensioning rollers (25, 26) to the wire guide plane (19) are pivotable and slidable in the wire guide plane (19). Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Spannrolle (26) den Drahtabschnitt (30) an den äusseren Umfang der Ringkernspule (21) glättend anlegend ausgebildet ist.Device according to one of claims 1 to 8, characterized in that the tensioning roller (26) is designed to smooth the wire section (30) against the outer circumference of the toroidal core coil (21).
EP94810666A 1994-11-23 1994-11-23 Winding mechanism Withdrawn EP0714107A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107486796A (en) * 2016-06-12 2017-12-19 夏弗纳电磁兼容(上海)有限公司 Vice

Citations (4)

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Publication number Priority date Publication date Assignee Title
US2974890A (en) * 1956-09-13 1961-03-14 Davis Billy Eugene Core winding apparatus
DE1207542B (en) * 1960-07-01 1965-12-23 Ibm Deutschland Device for winding rings, preferably ring-shaped magnetic cores
JPS63301509A (en) * 1987-05-30 1988-12-08 Toshiba Corp Method of winding
JPH04142718A (en) * 1990-10-04 1992-05-15 Fuji Elelctrochem Co Ltd Toroidal winding method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974890A (en) * 1956-09-13 1961-03-14 Davis Billy Eugene Core winding apparatus
DE1207542B (en) * 1960-07-01 1965-12-23 Ibm Deutschland Device for winding rings, preferably ring-shaped magnetic cores
JPS63301509A (en) * 1987-05-30 1988-12-08 Toshiba Corp Method of winding
JPH04142718A (en) * 1990-10-04 1992-05-15 Fuji Elelctrochem Co Ltd Toroidal winding method

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* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 139 (E - 738) 6 April 1989 (1989-04-06) *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 417 (E - 1258) 3 September 1992 (1992-09-03) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107486796A (en) * 2016-06-12 2017-12-19 夏弗纳电磁兼容(上海)有限公司 Vice
CN107486796B (en) * 2016-06-12 2023-04-25 夏弗纳电磁兼容(上海)有限公司 Vice jaw

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