EP2953149A1 - Device and method for coiling ring cores without cartridges - Google Patents
Device and method for coiling ring cores without cartridges Download PDFInfo
- Publication number
- EP2953149A1 EP2953149A1 EP14171601.9A EP14171601A EP2953149A1 EP 2953149 A1 EP2953149 A1 EP 2953149A1 EP 14171601 A EP14171601 A EP 14171601A EP 2953149 A1 EP2953149 A1 EP 2953149A1
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- European Patent Office
- Prior art keywords
- wire
- transport roller
- loop
- toroidal
- winding
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- 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
- H01F41/06—Coil winding
- H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
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- 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
- H01F41/06—Coil winding
- H01F41/094—Tensioning or braking devices
Definitions
- the invention relates to a toroidal core winding device with a Ringkemhalterung and a magazine-free wire guide and a corresponding method for this purpose.
- a toroidal coil winding device with a Ringkemhalterung and guided through the toroidal core annular magazine with serving for wire guide and Drahtmagazin ist elements is for example from the DE 101 53 896 A1 known.
- the disadvantage of this known device is that the annular magazine for magazine storage and winding must be performed by the toroidal core and thus ring cores with a small diameter or tubular cores, through which the magazine can not be performed because of the spatial requirements of the magazine, not be wound can.
- the present invention is therefore based on the object to provide a winding device and a corresponding winding method, which allow a direct winding of ring cores with a very small ring core inside diameter and tube cores.
- the device should be simple and robust and inexpensive to produce.
- the invention provides a device for magazineless winding of toroidal cores with a toroidal support and arranged in a wire guide plane for wire guide and Drahtmagazin ist serving elements, the one to be wound toroidal core driving ring core and serving for wire guide and Drahtmagazin ist elements preferably perpendicular aligned with each other.
- the wire guide and wire storage elements further comprise a first transport roller and a second transport roller arranged relative to the toroidal support such that a wire to be magazined and wound in the wire guide plane on the transport rollers is passable through the toroidal core between the first and second transport rollers; a wire ejector disposed adjacent to the second transport roller and a wire tensioner.
- the wire ejector is set up in operation to move a loop of the wire to be wound after passing through the ring core from the wire guide plane laterally adjacent to the second transport roller. This ensures that the wire loop drops from the second transport roller or is passed past this and runs in the sequence in the wire tensioner.
- the wire tensioner is set up to tighten the wire loop first and then release it for further winding.
- a method for magazineless winding of toroidal cores with a wire by means of a winding device comprises the following steps: guiding a preferably consisting of a one-piece wire rotating wire belt on the first transport roller through the ring core in the substantially perpendicular to the wire rotating ring core, continue on the second transport roller and again to the first transport roller in the wire guide plane, forming a loop of the wire from the wire band next to the first transport roller, passing through the toroidal core and displacing the wire loop from the wire guide plane next to the second transport roller through the wire ejector, tightening the wire loop in the wire tensioner and releasing the wire loop through the wire tensioner.
- the storage of the winding wire is thus carried out according to the invention without conventional magazine by the wire is maga conclude directly on the transport rollers. This can be dispensed with a closed magazine for guiding and storing the winding wire. Since thus only the wire to be wound and no magazine o.ä. must be guided through the toroidal core and ring cores with a small inner diameter or tubular cores can be wound.
- the inventive method thus allows an automatic winding of ring cores with a small inner diameter or pipe cores or other core geometries that can not be wound with conventional winding devices with magazine.
- the elements used for wire guidance and wire magazineing furthermore have at least one auxiliary roller.
- At least one of the transport or auxiliary rollers is designed as a drive or pull roller.
- the drive or traction roller drives the wire on the wire as a so-called wire belt, so that it rotates through the first Transortrolle by the Ringem and further on the second transport roller.
- the drive further ensures the tightening of the wire in the wire tensioner, by also rotating the wire loop and with each rotation of the wire tightened and then released again.
- Further auxiliary rollers lead the wire on the way from the second to the first transport roller in a preferred manner on a semicircular path, so that a sufficiently large amount of wire can be magazineed on and a particularly good loop formation is made possible.
- the transport or auxiliary roles are set up so that during operation when Magazining the wire forms a closed wire belt, which can be passed through the toroidal core.
- Closed wire belt means that when a wire to be wound wire is preferably wound in several juxtaposed wire turns on the rollers.
- the wire belt is, according to one aspect of a supply of wire, magazined onto the rollers of the device by, for example, winding a wire of predetermined length onto the rollers.
- one end of the wire which is stored in the form of a wire belt and guided through the toroidal core, is then fixed at the beginning of the actual winding onto the toroidal core so that the wire can be wound around the toroidal core.
- the wire tensioner includes a gap forming biased wedge.
- the wire tensioner is set up and arranged so that in operation, the wire loop runs after passing through the toroidal core in the gap and It is initially performed in the gap and in the wire direction passes through the gap.
- the wedge-shaped gap is so small in the prestressed state at its narrowest point that slippage of the wire loop in the radial direction is initially prevented by being smaller than the wire diameter in this state, the gap at the narrowest point.
- the wire loop continues to run in the wire direction through the gap and is tightened. In this case, the wire loop continues to contract around the ring core, so that a further turn is created.
- the radial tensile force of the wire in the direction of the wedge tip of the gap becomes increasingly greater.
- the wire loop falls or slips at sufficiently high tensile force in the radial direction through the gap bottom and thus leaves the wire tensioner or is released from this.
- the wire loop is pulled further by the continuous Anrieb the rotating wire belt.
- the wire ejector is configured as a rotating means and arranged such that, in use, the at least one rotating means engages a wire loop from the wire band, driving the wire crazy and thereby safely and simply ejecting the wire loop.
- the wire loop falls when ejected from the second transport roller. In addition, re-threading on the second transport wheel is prevented.
- the wire loop then continues to run in the wire tensioner.
- the rotating means according to one embodiment is a wheel with at least one driver or a star or gear or a rotating toothed belt or a rotating chain with at least one outer running cam or hook.
- the wire ejector is advantageously synchronized with the device so that one of the preferably several rotating drivers, teeth, cams or hooks detects each one of the wire belt revolutions - and the next on the wire belt starting from the wire loop - and so crazy that this wire loop falls from the second transport roller.
- the device further comprises at least one wire guide means, which is set up in such a way that, during operation, it passes the wire released by the wire tensioner past the upper transport roller, so that the wire loop forms again and the wire does not thread back onto the first transport wheel.
- the device further comprises at least one wire guide plate parallel to the wire guide plane, which at least partially covers the upper transport roller and thus reliably prevents the wire loop threading back onto the first transport wheel and thus reliably forming the wire loop again.
- the toroidal winding apparatus 100 has a toroidal support (not shown) in which the toroidal core 110 to be wound is held and rotated during winding.
- the toroidal support is formed according to an embodiment by three pinch rollers, which are each arranged at a distance of 120 ° to each other around the ring core and press from the outside against the toroidal core and thus keep it in the desired position. At least one of the pinch rollers simultaneously drives the toroidal core and thus puts it in the desired rotation to apply the turns of the winding at the desired distance on the toroidal core.
- the device has arranged in the wire guide plane serving for wire guide and Drahtmagazin ist elements, in particular on the first and second transport roller 120, 130 and, if available, further auxiliary rollers 140, 150, 160, 170 together generally referred to as wire guide rollers, the are each arranged on mutually parallel axes of rotation.
- Fig. 1 shows a version with auxiliary rollers
- Fig. 2 an embodiment without auxiliary rollers.
- the axis of rotation of the ring core is preferably substantially in the wire guide plane, so that the axes of rotation of the ring core and the wire guide rollers are preferably aligned perpendicular to each other.
- the first transport roller is designed as an upper transport roller 120 and arranged above the toroidal support 110.
- the second transport roller is correspondingly arranged as a lower transport roller 130 so that the wire 200 guided from the upper to the lower transport roller passes through the toroidal core to be wound in the toroidal support.
- a rope is guided over the wire guide rollers and through the toroidal core, as then the wire is to be magazined as a wire belt in the device including toroidal core.
- the rope is then knotted as a closed loop, for example, or otherwise closed and linked to the (winding) wire beginning.
- the winding wire beginning can also be guided directly over the wire guide rollers and through the toroidal core and then closed when the starting point is reached.
- the winding wire is, for example, withdrawn from a supply roll (not shown) and then stored in the device on the wire guide rollers by driving at least one of the wire guide rollers - the at least one drive or pull roller.
- the winding wire is ready to be magazined when the sufficiently long piece of wire has been wound onto the wire guide rollers.
- the wire forms a multi-turn wire band 210, as in, for example, in FIG. 2 is shown.
- the individual turns preferably lie side by side on the wire guide rollers.
- the wire belt thus forms a magazine-like Drahtbevorratung on the roller system formed from the wire guide rollers, without which it requires a conventional magazine.
- the Figures 1 and 2 show how the wire is finished on magaziniert.
- a free end 220 of the wire is fixed, as in Fig. 1 is indicated.
- the one free end of the wire is attached to a suitable fixture of the device, such as the toroidal support, or can also be held by operators during winding.
- the wire belt is then driven by the drive or pull roller 160 and set in rotation so that the wire belt on the first transport roller through the toroidal core to the second transport roller and then further on, if necessary, the auxiliary rollers back to the first Transport roller is running, as for example in Fig. 3 is shown.
- One turn of the wire belt is then first thrown from the second transport roller and forms a wire loop for winding the toroidal core.
- the wire ejector 300 is expediently below the toroidal core 110 and in the vicinity of the lower transport roller 130, as in the Fig. 3-5 shown, and arranged in operation so that the portion 230 of the loop of the winding wire to be wound after passing through the ring core from the wire guide plane laterally so crazy that the wire loop from the second wire roll falls or not on the second transport roller but in the wire tightening runs.
- the wire ejector is designed according to an embodiment as a star wheel or wheel with at least one driver 310, wherein the wheel rotates so that a Tooth of the star wheel or a driver detects the portion 230 of the loop to be looping of the wire to be wound and laterally out of the wire guide plane.
- Alternative wire ejectors include rotating belts or chains with at least one outboard cam, cams, hooks or the like.
- Fig. 5 shows a section of the device from a perspective in the Fig. 3 Plotted level A-A '.
- Fig. 4 shows a section of the device similar to Fig. 2 but with the wire ejector 300.
- the wire loop then no longer runs over the second transport roller, as in the Fig. 3 to 5 but further into the wire tensioner, whose operation then continues with respect to the FIGS. 6 to 8 is explained.
- the wire tightener 400 first tightens the wire loop and then releases it.
- the wire tensioner comprises a gap-forming prestressed wedge 410. This wedge forms a gap 440 into which the wire section 240 runs with an opposing surface 430 of the device arranged substantially parallel to the wire guidance plane.
- the wedge or opposing surface is biased, for example by a spring 420, and supported so that the wedge 420 and the opposing surface 430 are urged against each other by spring force and form a quasi-closed gap 440, respectively the narrower side of the gap is smaller than the wire diameter, so that the wire in the wire direction passes through the gap, but does not slip in the radial direction through the gap.
- the wedge and the opposing surface move so far apart in that the gap widens or opens and allows the wire to slide in the radial direction through the gap bottom or the narrow side of the gap.
- the spring force is chosen so that the wire loop initially tightened, so far as necessary for the winding process is contracted, but the wire does not tear.
- the wire loop is pulled through the opening or widening gap. The vote of the opening of the gap as a function of the tensile force on the wire, the wire diameter, etc.
- FIG. 6 is in turn, as already the FIGS. 1 and 3 a side view of the device.
- Fig. 7 is a view similar to the one in the Fig. 2 and 4 , where in Fig. 7 the viewing plane is behind the toroidal core and thus not the ring core, but the auxiliary rollers 140, 150, 160, 170 and the wire tightener 400 shows (arrow B).
- Fig. 8 shows a section Fig. 6 from above around the wire tensioner 400 (arrow C).
- the wire guide means comprises at least one wire guide plate 500 parallel to the wire guide plane, which at least partially covers the upper transport roller and possibly the auxiliary rollers. Shown is the movement of the released wire loop after its release by the wire tensioner over time through the dashed lines shown wire sections 250, 260, 270, 280.
- the wire loop does not thread back on the upper transport roller, but forms a so-called loose phase, in particular in the position of the wire section 280, in its further course and after passing through the toroidal core, the winding of the wire is continued by re-ejecting the wire loop through the wire ejector as described above. This process is repeated until the desired number of wire turns is applied to the toroidal core.
- the method of winding can be summarized as follows.
- the toroidal core is guided in the toroidal support.
- the winding wire is by the toroidal core in a so-called wire belt on the wire guide, which is aligned perpendicular to the toroidal core, magazined.
- a wire end is fixed.
- a wire loop from the wire band is in so-called loose phase with the help of the wire ejector, such as a star wheel, discharge wheel or other throwing agent, thrown from the wire guide.
- the wire is further tightened in the wire tightener while at the same time tightened on the toroidal core.
- the wire loop released by the wire tensioner is transferred past the wire guide again into the loose phase and the next winding of a turn begins.
- the term ring core also includes tubular cores or cores with special opening geometry and in particular relates to those toroids with small inner diameter or cores with angled opening geometry and Rohrkeme that can not be wound according to their dimensions with conventional toroidal coil winding device, since the magazine due the space required for the magazine can not be passed through the toroidal opening.
- the embodiments described here are also suitable for winding other toroidal cores or cores with different opening and also those with larger inner diameters and allow easy and comfortable winding.
- wire or winding wire also includes all other materials with which meaningful way toroids or similar objects are to be wound according to the invention.
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Abstract
Vorrichtung und Verfahren zum magazinlosen Bewickeln von Ringkernen mit einer Ringkernhalterung und im Wesentlichen in einer Drahtführungsebene angeordneten zur Drahtführung und Drahtmagazinierung dienenden Elementen. Die Vorrichtung umfasst eine erste Transportrolle und eine zweite Transportrolle, die relativ zur Ringkernhalterung so angeordnet sind, dass ein der Drahtführungsebene auf auf den Transportrollen zu magazinierender und zu wickelnder Draht zwischen erster und zweiter Transportrolle durch den Ringkern führbar ist, einen zur zweiten Transportrolle benachbart angeordneten Drahtauswerfer und einen Drahtstraffer.Apparatus and method for magazineless winding of toroidal cores with a toroidal support and substantially in a wire guide plane arranged for wire guide and Drahtmagazinierung serving elements. The apparatus comprises a first transport roller and a second transport roller, which are arranged relative to the toroidal support such that one of the wire guide plane on the transport rollers to be magazinized and wound wire between the first and second transport roller through the ring core is feasible, arranged adjacent to the second transport roller Wire ejector and a wire tensioner.
Description
Die Erfindung betrifft eine Ringkern-Wickelvorrichtung mit einer Ringkemhalterung und einer magazinlosen Drahtführung sowie ein entsprechendes Verfahren hierzu.The invention relates to a toroidal core winding device with a Ringkemhalterung and a magazine-free wire guide and a corresponding method for this purpose.
Eine Ringkernspulen-Wickelvorrichtung mit einer Ringkemhalterung und einem durch die Ringkernöffnung geführten ringförmigen Magazin mit zur Drahtführung und Drahtmagazinierung dienenden Elementen ist beispielsweise aus der
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Wickelvorrichtung sowie ein entsprechendes Wickelverfahren zu schaffen, die ein direktes Bewickeln von Ringkernen mit sehr kleinem Ringkeminnendurchmesser sowie von Rohrkernen ermöglichen. Zusätzlich soll die Vorrichtung einfach und robust aufgebaut und kostengünstig herstellbar sein.The present invention is therefore based on the object to provide a winding device and a corresponding winding method, which allow a direct winding of ring cores with a very small ring core inside diameter and tube cores. In addition, the device should be simple and robust and inexpensive to produce.
Zur Lösung dieser Aufgabe sieht die Erfindung eine Vorrichtung zum magazinlosen Bewickeln von Ringkernen mit einer Ringkernhalterung und im Wesentlichen in einer Drahtführungsebene angeordneten zur Drahtführung und Drahtmagazinierung dienenden Elementen vor, wobei die einen zu bewickelnden Ringkern antreibende Ringkernhalterung und die zur Drahtführung und Drahtmagazinierung dienenden Elementen vorzugsweise senkrecht zueinander ausgerichtet sind. Die zur Drahtführung und Drahtmagazinierung dienenden Elemente umfassen weiterhin eine erste Transportrolle und eine zweite Transportrolle, die relativ zur Ringkernhalterung so angeordnet sind, dass ein in der Drahtführungsebene auf den Transportrollen zu magazinierender und zu wickelnder Draht zwischen erster und zweiter Transportrolle durch den Ringkern führbar ist, einen zur zweiten Transportrolle benachbart angeordneten Drahtauswerfer und einen Drahtstraffer. Der Drahtauswerfer ist im Betrieb so eingerichtet, eine Schlaufe des zu wickelnden Drahtes nach Durchlaufen des Ringkerns aus der Drahtführungsebene seitlich neben die zweite Transportrolle zu verrücken. Dadurch wird erreicht, dass die Drahtschlaufe von der zweiten Transportrolle herunter fällt bzw. an dieser vorbeigeführt wird und in der Folge in den Drahtstraffer läuft. Der Drahtstraffer ist so eingerichtet, die Drahtschlaufe zunächst zu straffen und dann zum weiteren Bewickeln wieder frei zu geben.To solve this problem, the invention provides a device for magazineless winding of toroidal cores with a toroidal support and arranged in a wire guide plane for wire guide and Drahtmagazinierung serving elements, the one to be wound toroidal core driving ring core and serving for wire guide and Drahtmagazinierung elements preferably perpendicular aligned with each other. The wire guide and wire storage elements further comprise a first transport roller and a second transport roller arranged relative to the toroidal support such that a wire to be magazined and wound in the wire guide plane on the transport rollers is passable through the toroidal core between the first and second transport rollers; a wire ejector disposed adjacent to the second transport roller and a wire tensioner. The wire ejector is set up in operation to move a loop of the wire to be wound after passing through the ring core from the wire guide plane laterally adjacent to the second transport roller. This ensures that the wire loop drops from the second transport roller or is passed past this and runs in the sequence in the wire tensioner. The wire tensioner is set up to tighten the wire loop first and then release it for further winding.
Zur Lösung der Aufgabe wird weiterhin ein Verfahren zum magazinlosen Bewickeln von Ringkernen mit einem Draht mit Hilfe einer Wickelvorrichtung vorgeschlagen. Das Verfahren umfasst dabei die folgende Schritte: Führen eines vorzugsweise aus einem einstückigen Draht bestehenden rotierenden Drahtbandes über die erste Transportrolle durch den in der Ringkernhalterung im Wesentlichen senkrecht zum Drahtband rotierenden Ringkern, weiter über die zweite Transportrolle und wieder zur ersten Transportrolle in der Drahtführungsebene, Bilden einer Schlaufe des Drahtes vom Drahtband neben der ersten Transportrolle, Durchlaufen des Ringkerns und Verrücken der Drahtschlaufe aus der Drahtführungsebene neben die zweite Transportrolle durch den Drahtauswerfer, Straffen der Drahtschlaufe im Drahtstraffer und Freigeben der Drahtschlaufe durch den Drahtstraffer.To solve the problem, a method for magazineless winding of toroidal cores with a wire by means of a winding device is also proposed. The method comprises the following steps: guiding a preferably consisting of a one-piece wire rotating wire belt on the first transport roller through the ring core in the substantially perpendicular to the wire rotating ring core, continue on the second transport roller and again to the first transport roller in the wire guide plane, forming a loop of the wire from the wire band next to the first transport roller, passing through the toroidal core and displacing the wire loop from the wire guide plane next to the second transport roller through the wire ejector, tightening the wire loop in the wire tensioner and releasing the wire loop through the wire tensioner.
Die Bevorratung des Wickeldrahtes erfolgt damit erfindungsgemäß ohne herkömmliches Magazin, indem der Draht direkt auf die Transportrollen magaziniert wird. Dadurch kann auf ein geschlossenes Magazin zur Führung und Bevorratung des Wickeldrahtes verzichtet werden. Da somit nur der zu wickelnde Draht und kein Magazin o.ä. durch den Ringkern geführt werden muss, können auch Ringkerne mit geringem Innendurchmesser oder Rohrkerne bewickelt werden.The storage of the winding wire is thus carried out according to the invention without conventional magazine by the wire is magaziert directly on the transport rollers. This can be dispensed with a closed magazine for guiding and storing the winding wire. Since thus only the wire to be wound and no magazine o.ä. must be guided through the toroidal core and ring cores with a small inner diameter or tubular cores can be wound.
Im Vergleich zu herkömmlichen Ringkern(spulen)-Wickelvorrichtung mit durch die Ringkernöffnung geführten ringförmigen Magazin ist die erfindungsgemäße Vorrichtung einfach aufgebaut, da auf das ringförmige Magazin verzichtet werden kann. Durch den relativ einfachen Aufbau ist die Vorrichtung ebenfalls robust und kostengünstig herzustellen. Das erfindungsgemäße Verfahren erlaubt damit ein automatisches Bewickeln auch von Ringkernen mit geringem Innendurchmesser oder Rohrkernen oder anderen Kerngeometrien, die mit herkömmlichen Wickelvorrichtungen mit Magazin nicht bewickelbar sind.Compared to conventional toroidal (coil) winding device with guided through the toroidal core annular magazine device of the invention is simple, since it can be dispensed with the annular magazine. Due to the relatively simple structure, the device is also robust and inexpensive to manufacture. The inventive method thus allows an automatic winding of ring cores with a small inner diameter or pipe cores or other core geometries that can not be wound with conventional winding devices with magazine.
Gemäß einem Aspekt weisen die zur Drahtführung und Drahtmagazinierung dienenden Elemente weiterhin zumindest eine Hilfsrolle auf. Zumindest eine der Transport- oder Hilfsrollen ist als Antriebs- bzw. Zugrolle ausgeführt. Die Antriebsoder Zugrolle treibt den aufmagazinierten Draht als sogenanntes Drahtband an, so dass er über die erste Transortrolle durch den Ringem und weiter über die zweite Transportrolle rotiert. Der Antrieb sorgt dabei weiter für die Straffung des Drahtes im Drahtstraffer, indem auch die Drahtschlaufe mit rotiert und bei jeder Umdrehung der Draht gestrafft und anschließend wieder frei gegeben wird. Weitere Hilfsrollen führen den Draht auf dem Weg von der zweiten zur ersten Transportrolle in bevorzugter Weise auf einer halbkreisförmigen Bahn, so dass eine ausreichend große Menge Draht aufmagazinierbar ist und eine besonders gute Schlaufenbildung ermöglicht wird. Die Transport- oder Hilfsrollen sind dabei so eingerichtet, dass im Betrieb beim Magazinieren der Draht ein geschlossenes Drahtband bildet, das durch den Ringkern hindurchführbar ist.According to one aspect, the elements used for wire guidance and wire magazineing furthermore have at least one auxiliary roller. At least one of the transport or auxiliary rollers is designed as a drive or pull roller. The drive or traction roller drives the wire on the wire as a so-called wire belt, so that it rotates through the first Transortrolle by the Ringem and further on the second transport roller. The drive further ensures the tightening of the wire in the wire tensioner, by also rotating the wire loop and with each rotation of the wire tightened and then released again. Further auxiliary rollers lead the wire on the way from the second to the first transport roller in a preferred manner on a semicircular path, so that a sufficiently large amount of wire can be magazineed on and a particularly good loop formation is made possible. The transport or auxiliary roles are set up so that during operation when Magazining the wire forms a closed wire belt, which can be passed through the toroidal core.
Geschlossenes Drahtband bedeutet dabei, dass bei Magazinieren ein zu wickelnder Draht bevorzugter Weise in mehreren nebeneinander liegenden Drahtwindungen auf den Rollen aufgewickelt wird.Closed wire belt means that when a wire to be wound wire is preferably wound in several juxtaposed wire turns on the rollers.
Das Drahtband wird gemäß einem Aspekt aus einem Drahtvorrat auf die Rollen der Vorrichtung magaziniert, indem beispielsweise ein Draht vorbestimmter Länge auf die Rollen aufgewickelt wird.The wire belt is, according to one aspect of a supply of wire, magazined onto the rollers of the device by, for example, winding a wire of predetermined length onto the rollers.
Gemäß einem weiteren Aspekt wird dann zu Beginn des eigentlichen Wickelns auf den Ringkern ein Ende des als Drahtband magazinierten und durch den Ringkern geführten Drahtes fixiert, so dass ein Wickeln des Drahtes um den Ringkern erfolgen kann.According to a further aspect, one end of the wire, which is stored in the form of a wire belt and guided through the toroidal core, is then fixed at the beginning of the actual winding onto the toroidal core so that the wire can be wound around the toroidal core.
Gemäß einem weiteren Aspekt umfasst der Drahtstraffer einen spaltbildenden vorgespannten Keil. Der Drahtstraffer ist dabei so eingerichtet und angeordnet, dass im Betrieb die Drahtschlaufe nach Durchlaufen des Ringkerns in den Spalt läuft und dabei zunächst im Spalt geführt wird und in Drahtrichtung den Spalt durchläuft. Der keilförmige Spalt ist dabei im vorgespannten Zustand an seiner schmalsten Stelle so klein, dass ein Durchrutschen der Drahtschlaufe in radialer Richtung zunächst verhindert wird, indem in diesem Zustand der Spalt an der schmalsten Stelle kleiner als der Drahtdurchmesser ist. Dadurch läuft die Drahtschlaufe weiter in Drahtrichtung durch den Spalt und wird gestrafft. Dabei zieht sich die Drahtschlaufe weiter um den Ringkern zusammen, so dass eine weitere Windung entsteht. Durch das Zusammenziehen der Drahtschlaufe wird die radiale Zugkraft des Drahtes in Richtung Keilspitze des Spalts zunehmend größer. Nachdem der Keil vorgespannt ist und bei ausreichend großer Zugkraft der Keil entgegen der Vorspannung ausrückt und dadurch den Spalt vergrößert, fällt oder rutscht die Drahtschlaufe bei ausreichend großer Zugkraft in radialer Richtung durch den Spaltboden und verlässt damit den Drahtstraffer bzw. wird von diesem frei gegeben. Die Drahtschlaufe wird dabei durch den fortlaufenden Anrieb des rotierenden Drahtbandes weiter gezogen.In another aspect, the wire tensioner includes a gap forming biased wedge. The wire tensioner is set up and arranged so that in operation, the wire loop runs after passing through the toroidal core in the gap and It is initially performed in the gap and in the wire direction passes through the gap. The wedge-shaped gap is so small in the prestressed state at its narrowest point that slippage of the wire loop in the radial direction is initially prevented by being smaller than the wire diameter in this state, the gap at the narrowest point. As a result, the wire loop continues to run in the wire direction through the gap and is tightened. In this case, the wire loop continues to contract around the ring core, so that a further turn is created. As a result of the contraction of the wire loop, the radial tensile force of the wire in the direction of the wedge tip of the gap becomes increasingly greater. After the wedge is biased and at sufficiently high tensile force of the wedge against the bias expended and thereby increases the gap, the wire loop falls or slips at sufficiently high tensile force in the radial direction through the gap bottom and thus leaves the wire tensioner or is released from this. The wire loop is pulled further by the continuous Anrieb the rotating wire belt.
Gemäß einem weiteren Aspekt ist der Drahtauswerfer als rotierendes Mittel ausgebildet und so angeordnet, dass im Betrieb das zumindest eine rotierende Mittel eine Drahtschlaufe aus dem Drahtband erfasst, den Draht verrückt und damit die Drahtschlaufe sicher und einfach auswirft. Die Drahtschlaufe fällt beim Auswerfen von der zweiten Transportrolle. Darüber hinaus wird ein erneutes Einfädeln auf das zweite Transportrad verhindert. Die Drahtschlaufe läuft dann weiter in den Drahtstraffer. Das rotierende Mittel ist gemäß einer Ausführungsform ein Rad mit zumindest einem Mitnehmer oder ein Stern- oder Zahnrad oder ein rotierender Zahnriemen oder eine rotierende Kette mit zumindest einem Außen laufenden Nocken oder Haken. Während des Betriebes ist der Drahtauswerfer mit der Vorrichtung vorteilhafterweise so synchronisiert, dass einer der vorzugsweise mehreren rotierenden Mitnehmer, Zähne, Nocken oder Haken bei jedem Drahtbandumlauf eine - und zwar die nächste auf dem Drahtband ausgehend von der Drahtschlaufe - Drahtschlaufe erfasst und so verrückt, dass diese Drahtschlaufe von der zweiten Transportrolle fällt.In another aspect, the wire ejector is configured as a rotating means and arranged such that, in use, the at least one rotating means engages a wire loop from the wire band, driving the wire crazy and thereby safely and simply ejecting the wire loop. The wire loop falls when ejected from the second transport roller. In addition, re-threading on the second transport wheel is prevented. The wire loop then continues to run in the wire tensioner. The rotating means according to one embodiment is a wheel with at least one driver or a star or gear or a rotating toothed belt or a rotating chain with at least one outer running cam or hook. During operation, the wire ejector is advantageously synchronized with the device so that one of the preferably several rotating drivers, teeth, cams or hooks detects each one of the wire belt revolutions - and the next on the wire belt starting from the wire loop - and so crazy that this wire loop falls from the second transport roller.
Gemäß einem weiteren Aspekt umfasst die Vorrichtung weiterhin zumindest ein Drahtführungsmittel, das so eingerichtet ist, dass es im Betrieb den vom Drahtstraffer wieder frei gegebenen Draht an der oberen Transportrolle vorbei führt, so dass sich erneut die Drahtschlaufe ausbildet und der Draht nicht wieder auf das erste Transportrad einfädelt.According to a further aspect, the device further comprises at least one wire guide means, which is set up in such a way that, during operation, it passes the wire released by the wire tensioner past the upper transport roller, so that the wire loop forms again and the wire does not thread back onto the first transport wheel.
Gemäß einem weiteren Aspekt umfasst die Vorrichtung weiterhin zumindest ein Drahtführungsblech parallel zur Drahtführungsebene, das die obere Transportrolle zumindest teilweise überdeckt und damit sicher verhindert, dass Drahtschlaufe wieder auf das erste Transportrad einfädelt und somit die Drahtschlaufe erneut sicher ausbildet.According to a further aspect, the device further comprises at least one wire guide plate parallel to the wire guide plane, which at least partially covers the upper transport roller and thus reliably prevents the wire loop threading back onto the first transport wheel and thus reliably forming the wire loop again.
Ausführungsbeispiele der Erfindung werden nachstehend anhand der beigefügten Figuren näher erläutert. Es zeigen:
-
Fig. 1 und 2 rudimentäre schematische Darstellungen von Ausführungsformen der Ringkern-Wickelvorrichtung aus verschiedenen Perspektiven, bei der u.a. die Ringkemhalterung, der Drahtauswerfer und der Drahtstraffer zur Vereinfachung nicht gezeigt sind; -
Fig. 3 bis 5 rudimentäre schematische Darstellungen von Ausführungsformen der Ringkern-Wickelvorrichtung aus verschiedenen Perspektiven, bei der u.a. die Ringkernhalterung und der Drahtstraffer zur Vereinfachung nicht gezeigt sind; -
Fig. 6 bis 8 rudimentäre schematische Darstellungen von Ausführungsformen der Ringkern-Wickelvorrichtung aus verschiedenen Perspektiven, bei der u.a. die Ringkernhalterung und der Drahtauswerfer zur Vereinfachung nicht gezeigt sind; und -
Fig. 9 und 10 rudimentäre schematische Darstellungen von Ausführungsformen der Ringkern-Wickelvorrichtung aus verschiedenen Perspektiven, bei der u.a. die Ringkernhalterung und der Drahtauswerfer zur Vereinfachung nicht gezeigt sind.
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Fig. 1 and 2 rudimentary schematic representations of embodiments of the toroidal winding device from various perspectives, in which, inter alia, the Ringkemhalterung, the wire ejector and the wire tensioner are not shown for simplicity; -
Fig. 3 to 5 rudimentary schematic representations of embodiments of the toroidal winding apparatus from various perspectives, in which, inter alia, the toroidal support and the wire tensioner are not shown for simplicity; -
Fig. 6 to 8 rudimentary schematic representations of embodiments of the toroidal core winding device from various perspectives, in which, inter alia, the toroidal support and the wire ejector are not shown for simplicity; and -
FIGS. 9 and 10 Rudimentary schematic representations of embodiments of the toroidal winding device from different perspectives, in which, inter alia, the toroidal support and the wire ejector are not shown for simplicity.
Die Ringkern-Wickelvorrichtung 100 nach den
Anstatt eines Magazins verfügt die Vorrichtung über in der Drahtführungsebene angeordnete zur Drahtführung und Drahtmagazinierung dienende Elemente, insbesondere über die erste und zweite Transportrolle 120, 130 und, falls vorhanden, weitere Hilfsrollen 140, 150, 160, 170, zusammen allgemein als Drahtführungsrollen bezeichnet, die jeweils auf zueinander parallelen Rotationsachsen angeordnet sind.
Gemäß der in Figuren dargestellten Ausführungsformen ist die erste Transportrolle als obere Transportrolle 120 ausgeführt und oberhalb der Ringkernhalterung 110 angeordnet. Die zweite Transportrolle ist entsprechend als untere Transportrolle 130 so angeordnet, dass der von der oberen zur unteren Transportrolle geführte Draht 200 den in der Ringkernhalterung befindlichen zu bewickelnden Ringkern durchläuft.According to the embodiments shown in figures, the first transport roller is designed as an
Nachdem die Vorrichtung über kein Magazin zur Drahtführung und Drahtmagazinierung verfügt, wird gemäß einer Ausführungsform zunächst ein Seil so über die Drahtführungsrollen sowie durch den Ringkern geführt, wie anschließend der Draht als Drahtband in die Vorrichtung einschließlich Ringkern magaziniert werden soll. Das Seil wird dann als geschlossene Schlaufe beispielsweise entsprechend verknotet oder anderweitig geschlossen und mit dem (Wickel-)Drahtanfang verknüpft. Alternativ und abhängig von der verwenden Drahtstärke kann der Wickeldrahtanfang auch direkt über die Drahtführungsrollen und durch den Ringkern geführt und dann bei Erreichen des Ausgangspunktes geschlossen werden. Der Wickeldraht wird dabei beispielsweise von einer Vorratsrolle (nicht dargestellt) abgezogen und dann durch Antrieb zumindest einer der Drahtführungsrollen - die zumindest eine Antriebs- oder Zugrolle - in die Vorrichtung auf die Drahtführungsrollen magaziniert. Dabei wird dann ein ausreichend langes Stück Draht in Form mehrerer umlaufender Windungen in die Vorrichtung geladen. Der Wickeldraht ist fertig aufmagaziniert, wenn das ausreichend lange Stück Draht auf den Drahtführungsrollen aufgewickelt wurde. Der Draht bildet dabei ein aus mehreren Windungen bestehendes Drahtband 210, wie dies bspw. in
Anschließend kann das Bewickeln des Ringkerns beginnen. Hierzu wird zunächst ein freies Ende 220 des Drahtes fixiert, wie dies in
Zum eigentlichen Bewickeln des Ringkerns mit dem Draht wird dann das Drahtband von der Antriebs- oder Zugrolle 160 angetrieben und so in Rotation versetzt, dass das Drahtband über die erste Transportrolle durch den Ringkern zur zweiten Transportrolle und dann weiter über ggf. die Hilfsrollen wieder zur ersten Transportrolle läuft, wie dies bspw. in
Hierzu ist der Drahtauswerfer 300 zweckmäßigerweise unterhalb des Ringkerns 110 und in der Nähe der unteren Transportrolle 130, wie in den
Der Drahtauswerfer ist gemäß einer Ausführungsform als Sternrad oder Rad mit zumindest einem Mitnehmer 310 ausgeführt, wobei das Rad so rotiert, dass ein Zahn des Sternrads bzw. ein Mitnehmer den Abschnitt 230 der zur Schlaufe werdende Windung des zu wickelnden Drahtes erfasst und aus der Drahtführungsebene seitlich verrückt. Alternative Drahtauswerfer umfassen rotierender Riemen oder Ketten mit zumindest einem außen laufenden Mitnehmer, Nocken, Haken oder ähnlich.
Die Drahtschlaufe läuft dann nicht mehr über die zweite Transportrolle, wie in den
Nach der Straffung und anschließender Freigabe der Drahtschlaufe durch den Drahtstraffer gleitet die Drahtschlaufe, gemäß einer in den
Gemäß einer Ausführungsform kann das Verfahren zum Bewickeln wie folgt zusammengefasst werden. Der Ringkern wird in der Ringkernhalterung geführt. Der Wickeldraht wird durch den Ringkern in ein so genanntes Drahtband auf die Drahtführung, die senkrecht zum Ringkern ausgerichtet ist, magaziniert. Ein Drahtende wird fixiert. Eine Drahtschlaufe aus dem Drahtband wird in so genannter lockerer Phase mit Hilfe des Drahtauswerfers, wie beispielsweise einem Sternrad, Abwurfrad oder sonstigem Abwurfmittel, aus der Drahtführung geworfen. Der Draht wird weiter im Drahtstraffer gestrafft und dabei gleichzeitig auf dem Ringkern festgezogen. Die vom Drahtstraffer frei gegebene Drahtschlaufe wird an der Drahtführung vorbei wieder in die lockere Phase überführt und die nächste Wicklung einer Windung beginnt.According to one embodiment, the method of winding can be summarized as follows. The toroidal core is guided in the toroidal support. The winding wire is by the toroidal core in a so-called wire belt on the wire guide, which is aligned perpendicular to the toroidal core, magazined. A wire end is fixed. A wire loop from the wire band is in so-called loose phase with the help of the wire ejector, such as a star wheel, discharge wheel or other throwing agent, thrown from the wire guide. The wire is further tightened in the wire tightener while at the same time tightened on the toroidal core. The wire loop released by the wire tensioner is transferred past the wire guide again into the loose phase and the next winding of a turn begins.
Im Sinne der Erfindung schließt der Begriff Ringkern auch Rohrkerne oder Kerne mit besonderer Öffnungsgeometrie ein und betrifft insbesondere solche Ringkerne mit kleinem Innendurchmesser oder Kerne mit verwinkelter Öffnungsgeometrie sowie Rohrkeme, die gemäß ihrer Dimensionierung nicht mit herkömmlichen Ringkernspulen-Wickelvorrichtung bewickelt werden können, da das Magazin aufgrund des für das Magazin erforderlichen Raumes nicht durch die Ringkernöffnung geführt werden kann. Die hier beschriebenen Ausführungsformen eignen sich jedoch ebenfalls zum Bewickeln von sonstigen Ringkernen oder Kernen mit sonstiger Öffnung und auch solchen mit größeren Innendurchmessern und erlauben ein einfaches und komfortables Bewickeln.For the purposes of the invention, the term ring core also includes tubular cores or cores with special opening geometry and in particular relates to those toroids with small inner diameter or cores with angled opening geometry and Rohrkeme that can not be wound according to their dimensions with conventional toroidal coil winding device, since the magazine due the space required for the magazine can not be passed through the toroidal opening. However, the embodiments described here are also suitable for winding other toroidal cores or cores with different opening and also those with larger inner diameters and allow easy and comfortable winding.
Im Sinne der Erfindung schließt der Begriff Draht bzw. Wickeldraht auch sämtlichen sonstigen Materialien ein, mit denen sinnvoller Weise Ringkerne oder ähnliche Gegenstände erfindungsgemäß zu bewickeln sind.For the purposes of the invention, the term wire or winding wire also includes all other materials with which meaningful way toroids or similar objects are to be wound according to the invention.
Weitere vorteilhafte Ausgestaltungen und Abwandlungen ergeben sich für den Fachmann aus den hier beschriebenen Ausführungsbeispielen und werden von ihm als zur Erfindung gehörig verstanden.Further advantageous embodiments and modifications will become apparent to those skilled in the art from the embodiments described herein and are understood by him as belonging to the invention.
Claims (12)
Priority Applications (4)
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EP14171601.9A EP2953149B1 (en) | 2014-06-06 | 2014-06-06 | Device and method for coiling ring cores without cartridges |
US15/316,748 US10199164B2 (en) | 2014-06-06 | 2015-04-27 | Device and method for winding toroidal cores without using a magazine |
PCT/EP2015/059101 WO2015185288A1 (en) | 2014-06-06 | 2015-04-27 | Device and method for winding toroidal cores without using a magazine |
CN201580006981.3A CN106575572B (en) | 2014-06-06 | 2015-04-27 | The device and method for winding annular core for no storing place |
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EP14171601.9A EP2953149B1 (en) | 2014-06-06 | 2014-06-06 | Device and method for coiling ring cores without cartridges |
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EP2953149B1 EP2953149B1 (en) | 2017-04-19 |
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FR3064991B1 (en) * | 2017-04-06 | 2019-08-16 | Schneider Electric Industries Sas | WINDING HEAD FOR A TOROIDAL WINDING MACHINE, TOROIDAL WINDING MACHINE COMPRISING SUCH A WINDING HEAD AND METHOD |
EP3855461B1 (en) | 2020-01-21 | 2024-01-03 | RUFF GmbH | Device and method for coiling ring cores |
EP3855462B9 (en) | 2020-01-21 | 2024-04-03 | RUFF GmbH | Device and method for coiling ring cores without cartridges |
Citations (2)
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DE10153896A1 (en) | 2001-11-02 | 2003-05-28 | Herbert Ruff Gmbh & Co Kg | Direct winding device for ring core coils, has magazine in contact with drive belt in parts of exterior and mounted in guide with two guide elements on both sides of magazine with gap for wire |
US20050082932A1 (en) * | 2003-10-15 | 2005-04-21 | Actown Electrocoil, Inc. | Magnetic core winding method, apparatus, and product produced therefrom |
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US4007881A (en) * | 1972-02-22 | 1977-02-15 | Rca Corporation | Coil winding machine |
US4513920A (en) * | 1979-11-09 | 1985-04-30 | Tortrix A/S | Winding machine for winding elongate members or cores |
US4637563A (en) * | 1984-02-14 | 1987-01-20 | Daihen Corporation | Toroidal winding apparatus |
US4884758A (en) * | 1985-02-06 | 1989-12-05 | Kuhlman Corporation | Self-loading wire winding assembly and method |
FR2630422B1 (en) * | 1988-04-25 | 1990-08-10 | Aerospatiale | DEVICE FOR APPLYING A FILAMENTARY WINDING ON ANY FORMED SUPPORT AND UNIVERSAL WINDING MACHINE INCLUDING APPLICATION |
CN2222704Y (en) * | 1995-06-22 | 1996-03-20 | 冶金工业部钢铁研究总院 | Apparatus for continuous take-up of thin strap ring iron core |
DE10150818B4 (en) * | 2001-10-15 | 2004-07-22 | Ruff Gmbh & Co. Kg | Winding or bandaging device and toroid coil winding and bandaging system |
CN202534501U (en) * | 2012-03-08 | 2012-11-14 | 上海东普电器制造有限公司 | Multilayer foil winding system for inductance coil of new energy high-capacity transformer |
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2014
- 2014-06-06 EP EP14171601.9A patent/EP2953149B1/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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DE10153896A1 (en) | 2001-11-02 | 2003-05-28 | Herbert Ruff Gmbh & Co Kg | Direct winding device for ring core coils, has magazine in contact with drive belt in parts of exterior and mounted in guide with two guide elements on both sides of magazine with gap for wire |
US20050082932A1 (en) * | 2003-10-15 | 2005-04-21 | Actown Electrocoil, Inc. | Magnetic core winding method, apparatus, and product produced therefrom |
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WO2015185288A1 (en) | 2015-12-10 |
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CN106575572B (en) | 2018-08-07 |
US20180090270A1 (en) | 2018-03-29 |
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