EP3290370B1 - Wire feeding device - Google Patents

Wire feeding device Download PDF

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Publication number
EP3290370B1
EP3290370B1 EP16186657.9A EP16186657A EP3290370B1 EP 3290370 B1 EP3290370 B1 EP 3290370B1 EP 16186657 A EP16186657 A EP 16186657A EP 3290370 B1 EP3290370 B1 EP 3290370B1
Authority
EP
European Patent Office
Prior art keywords
wire
brake roller
roller
feeding device
wire feeding
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.)
Not-in-force
Application number
EP16186657.9A
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German (de)
French (fr)
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EP3290370A1 (en
Inventor
Florian SELL-LE BANC
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aumann Espelkamp GmbH
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Aumann Espelkamp GmbH
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Priority to EP16186657.9A priority Critical patent/EP3290370B1/en
Publication of EP3290370A1 publication Critical patent/EP3290370A1/en
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Publication of EP3290370B1 publication Critical patent/EP3290370B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/18—Driven rotary elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
    • B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
    • B65H59/388—Regulating forwarding speed
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires

Definitions

  • the invention relates to a wire running device according to the preamble of claim 1.
  • wire brakes are controlled by brake rollers ( DE 40 35 862 A1 ) or brake bands ( EP 309 381 A1 ) or lever elements ( DE 34 36 187 C2 ) or. ( DE 23 18 884 C2 ), wherein the known devices are designed so that they counteract the wire run. It is known to adapt the braking force of such wire brakes the desired Drahtzug.
  • a wire running apparatus for feeding a wire in a feed direction, comprising a driven brake roller adapted to counter the wire run when feeding the wire by rotating in a braking direction, wherein a pressure roller biased against the brake roller drives the wire against the brake roller presses so as to generate a frictional engagement with respect to the pressed against the brake roller by the pressure roller wire, and thus the brake roller not only is designed to exert a braking function, but also to move the wire in a braking direction.
  • the invention is based on the idea to use the already existing brake roller to return wireless. This happens because the wire is pressed against the brake roller by means of a pressure roller. As a result of the resulting frictional engagement, the brake roller can then be used to recycle any wireless because the brake roller can be driven against the feed direction anyway. Thus arises during the winding process game in the wire, the brake roller can therefore be used to remove this game again.
  • the outer circumference of the brake roller has a frictional engagement material, which is designed to generate a static friction with the wire pressed by the pressure roller.
  • the frictional engagement material is a vulcanized rubber material.
  • vulcanized rubber material Of course, other materials are conceivable as long as they are suitable for the purpose of the invention.
  • the pressure roller is biased against the brake roller so that it presses the wire against the brake roller.
  • a pretensioning device is provided, which the pressure roller in the pressing direction biases against the brake roller.
  • This may be a compression spring, of course, other possibilities are conceivable, for example, a pneumatic cylinder or a linear drive or the like.
  • the brake roller comprises at its periphery a wire guide groove.
  • the pressure roller has a peripheral region with which it dips into the wire guide groove of the brake roller.
  • the brake roller is rotationally driven both in the braking direction and in the opposite direction of the braking direction.
  • the brake roller can support the running movement of the wire as well as decelerate or even lead back wire when a wireless should have formed.
  • the wire running device according to the invention can be installed in winding devices, so that the object is achieved by a winding device, wherein the winding device comprises a wound with wire wound body, a wire and a wire device described above and a particular wire feed or Draht Resultssdüse formed wire guide, which is arranged between the winding body and wire running device and the guided through the wire running device wire feeds the winding body.
  • FIGS. 1A and 2A show a winding device from the front (1A) and from the side (2A).
  • a winding body 7 is to be wound with a wire 2.
  • the wire 2 from a wire supply behind or alternatively also before the winding device (not shown) via a braking device, comprising a brake roller 4 and a pressure roller 5, a guide roller 3 is supplied.
  • the wire guide 6 which is exemplified as a wire feed nozzle 6, as shown).
  • the wire guide 6 is controlled so that the wire 2 is wound in the desired manner on the winding body 7.
  • the feeding direction of the wire is designated by the arrow R.
  • the wire running device 1 is intended below at the FIG. 1B that the cut A of the Figure 1A corresponds, will be explained in more detail.
  • the wire 2 is fed via a guide element, for example by a pipe section which ends immediately below the brake roller 4, the brake roller.
  • the pressure roller 5 presses the wire 2 with a biasing device 8 in the pressing direction P2 against the brake roller 4.
  • the biasing means 8 comprises two compression springs; However, it is also conceivable pretensioners 8, which comprise tension springs, linear drives, pneumatic cylinders or similar devices. By pressing the pressure roller 5 to the brake roller 4, a frictional engagement of the wire 2 with the brake roller 4 is generated. If the brake roller 4 can be driven both in the braking direction and in the feed direction R, the supply of the wire 2 can both supported and braked and it can even be returned to the wire 2, if a wireless between brake roller 4 and bobbin 7 should have formed.
  • the wire 2 is fed via a deflection roller 3 to a controllable wire feed nozzle 6, in order subsequently to be wound on a winding body 7.
  • a deflection roller 3 to a controllable wire feed nozzle 6, in order subsequently to be wound on a winding body 7.
  • FIG. 1B the embodiment of the pressure roller 5 immersed in the wire guide groove 40 of the brake roller 4, which is based on the FIG. 2B is explained in more detail.
  • FIG. 2B shows the outer portion of the brake roller 4, the outer circumference of which is designed as a wire guide groove 40, 41, 42 is.
  • the wire 2 is guided along the brake roller 4.
  • the wire guide groove has (viewed from the brake roller center [top]) a flat or beveled bottom 40 on which the wire 2 rests.
  • this wire guide groove 40, 41, 42 engages the peripheral portion 50 of the pressure roller 5 and presses the wire 2 against the bottom 40 of the wire guide groove.
  • the cross section of the peripheral region 50 is shown rectangular. This is a preferred embodiment of the peripheral region 50 of the pressure roller 5. However, it is also conceivable that the cross section is slightly conical. However, the prerequisite is that the wire 2, which is pressed by the pressure roller 5 against the brake roller 4, can not fall out of the wire guide groove 40, 41, 42. In the FIG. 2B the "lower" part of the wire guide groove is also shown rectangular. This section could also be designed as the outer region of the pressure roller 5 slightly conical. The "upper" portions of the wire guide grooves 41a, 41b are more chamfered. This should serve to guide the sections to each other when merging pressure roller 5 and brake roller 4.
  • the brake roller 4 and the pressure roller 5 in the wire guide groove 40, 41, 42 are shown without tolerance to each other.
  • the tolerance is at one side below half the diameter of the wire 2.
  • the clearance between the pressure roller 5 and the brake roller is less than 1/20 mm.
  • the winding process can be assisted by the brake roller 4 supporting the wire feed, braking or even wire 2 returns when a wireless should have formed.
  • a wire running device winding devices can be made easier and thus cheaper and operated.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Description

Die Erfindung betrifft eine Drahtlaufvorrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a wire running device according to the preamble of claim 1.

In der Wickeltechnik wird ein Wickelkörper mit einem Draht bewickelt. Zum Zuführen und Steuern des Drahtvorschubs werden Drahtlaufvorrichtungen eingesetzt, mit denen unter anderem sichergestellt wird, dass der Drahtzug konstant bleibt und sich bei der Nachführung des Drahtes zum Wickelkörper keine Schwierigkeiten ergeben. Aus dem Stand der Technik ist unter anderem bekannt, den Draht über sogenannte Drahtbremsen zurückzuhalten. Üblicherweise werden Drahtbremsen durch Bremsrollen ( DE 40 35 862 A1 ) oder Bremsbänder ( EP 309 381 A1 ) oder auch Hebelelemente ( DE 34 36 187 C2 ) bzw. ( DE 23 18 884 C2 ) realisiert, wobei die bekannten Vorrichtungen so ausgebildet sind, dass sie dem Drahtlauf entgegenwirken. Bekannt ist, die Bremskraft solcher Drahtbremsen dem gewünschten Drahtzug anzupassen.In winding technology, a bobbin is wound with a wire. For feeding and controlling the wire feed wire running devices are used, which, among other things, ensures that the wire remains constant and no difficulties arise in the tracking of the wire to the winding body. Among other things, it is known from the prior art to retain the wire via so-called wire brakes. Usually, wire brakes are controlled by brake rollers ( DE 40 35 862 A1 ) or brake bands ( EP 309 381 A1 ) or lever elements ( DE 34 36 187 C2 ) or. ( DE 23 18 884 C2 ), wherein the known devices are designed so that they counteract the wire run. It is known to adapt the braking force of such wire brakes the desired Drahtzug.

Abhängig vom Wickel- bzw. Verlegeprozess kommt es vor, dass während des Wickelprozesses sogenannte Drahtlosen entstehen, d.h. dass der Draht jedenfalls abschnittsweise nicht unter Spannung steht. Wenn diese Drahtlosen entstehen, geht die Seilreibung an der Drahtbremse verloren und der gewünschte oder erforderliche Drahtzug kann nicht mehr aufgebracht werden. Üblicherweise werden dann in Drahtführungssystemen separate Vorrichtungen geschaffen, um entsprechende Drahtlosen wieder zurückzuführen. So offenbaren EP 0 564 018 A1 , DE 40 35 862 A1 und DE 35 36 363 A1 Rückführungsrollen, die sich gegen die Drahtlaufrichtung drehen. Der Draht wird von einer Andruckrolle gegen die Rückführungsrolle gedrückt und wird gleitend über die Rückführungsrolle gezogen. Bilden sich Drahtlosen, wird der Draht, auf den in dem Augenblick keine Zugkraft wirkt, von der schwachen Gleitreibung zurückgezogen, bis die Zugkraft an dem Draht wieder höher wird als die Gleitreibung der Rückführungsrolle. Das Vorsehen entsprechender Vorrichtungen ist aufwendig und verkompliziert die Vorrichtung.Depending on the winding or laying process, it may happen that so-called wireless occur during the winding process, ie that the wire is in some cases not under tension in sections. When these wireless arise, the cable friction on the wire brake is lost and the desired or required wire pull can no longer be applied. Usually separate devices are then created in wire management systems to return corresponding wireless again. So reveal EP 0 564 018 A1 . DE 40 35 862 A1 and DE 35 36 363 A1 Return rolls, which rotate against the wire running direction. The wire is pressed against the return roller by a pinch roller and is slid over the return roller. When wireless forms, the wire on which there is no pulling force at the moment is retracted from the weak sliding friction until the tensile force on the wire again becomes higher than the sliding friction of the return roller. The provision of such devices is expensive and complicates the device.

Es ist daher Aufgabe der vorliegenden Erfindung, ein Drahtlosen-System der eingangs genannten Art zur Verfügung zu stellen, bei dem die Rückführung von Drahtlosen auf einfache Weise erfolgen kann und insbesondere keine aufwendigen Zusatzvorrichtungen erforderlich sind.It is therefore an object of the present invention to provide a wireless system of the type mentioned, in which the return of wireless can be done in a simple manner and in particular no expensive additional devices are required.

Gelöst wird diese Aufgabe durch eine Drahtlaufvorrichtung mit den Merkmalen des Anspruchs 1 und einer Wickelvorrichtung mit den Merkmalen des Anspruchs 8. Vorteilhafte Ausführungsformen finden sich in den abhängigen Ansprüchen.This object is achieved by a wire running device having the features of claim 1 and a winding device having the features of claim 8. Advantageous embodiments can be found in the dependent claims.

Erfindungsgemäß ist eine Drahtlaufvorrichtung zum Zuführen eines Drahtes in einer Zuführungsrichtung vorgesehen, mit einer angetriebenen Bremsrolle, welche dazu ausgelegt ist, dem Drahtlauf beim Zuführen des Drahtes durch Drehen in einer Bremsrichtung entgegen zu wirken, wobei eine gegen die Bremsrolle vorgespannte Anpressrolle den Draht gegen die Bremsrolle andrückt, um so gegenüber dem durch die Anpressrolle an die Bremsrolle angedrückten Draht einen Reibschluss zu erzeugen, und dadurch die Bremsrolle nicht nur dazu ausgelegt ist, eine Bremsfunktion auszuüben, sondern auch den Draht in eine Bremsrichtung zu bewegen.According to the invention, there is provided a wire running apparatus for feeding a wire in a feed direction, comprising a driven brake roller adapted to counter the wire run when feeding the wire by rotating in a braking direction, wherein a pressure roller biased against the brake roller drives the wire against the brake roller presses so as to generate a frictional engagement with respect to the pressed against the brake roller by the pressure roller wire, and thus the brake roller not only is designed to exert a braking function, but also to move the wire in a braking direction.

Die Erfindung geht von dem Gedanken aus, die ohnehin vorhandene Bremsrolle dazu einzusetzen, Drahtlosen zurückzuführen. Dies geschieht dadurch, dass der Draht gegen die Bremsrolle mittels einer Anpressrolle angedrückt wird. Durch den dadurch entstehenden Reibschluss kann die Bremsrolle dann dazu eingesetzt werden, etwaige Drahtlosen zurückzuführen, weil die Bremsrolle ohnehin gegen die Zuführrichtung antreibbar ist. Entsteht also beim Wickelprozess Spiel im Draht, kann die Bremsrolle folglich dazu eingesetzt werden, dieses Spiel wieder zu entfernen.The invention is based on the idea to use the already existing brake roller to return wireless. This happens because the wire is pressed against the brake roller by means of a pressure roller. As a result of the resulting frictional engagement, the brake roller can then be used to recycle any wireless because the brake roller can be driven against the feed direction anyway. Thus arises during the winding process game in the wire, the brake roller can therefore be used to remove this game again.

In einer bevorzugten Ausführungsform der Drahtlaufvorrichtung weist der Außenumfang der Bremsrolle ein Reibschlussmaterial auf, welches dazu ausgelegt ist, mit dem durch die Anpressrolle angedrückten Draht eine Haftreibung zu erzeugen.In a preferred embodiment of the wire-running device, the outer circumference of the brake roller has a frictional engagement material, which is designed to generate a static friction with the wire pressed by the pressure roller.

Bevorzugt ist vorgesehen, dass das Reibschlussmaterial ein vulkanisiertes Gummimaterial ist. Natürlich sind andere Materialien denkbar, solange sie für den erfindungsgemäßen Zweck geeignet sind.It is preferably provided that the frictional engagement material is a vulcanized rubber material. Of course, other materials are conceivable as long as they are suitable for the purpose of the invention.

Die Anpressrolle ist gegen die Bremsrolle vorgespannt, so dass sie den Draht gegen die Bremsrolle drückt. Nach einer weiteren bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass eine Vorspanneinrichtung vorgesehen ist, welche die Anpressrolle in der Andruckrichtung gegen die Bremsrolle vorspannt. Hierbei kann es sich um eine Druckfeder handeln, natürlich sind auch andere Möglichkeiten denkbar, zum Beispiel ein Pneumatikzylinder oder ein Linearantrieb oder dergleichen.The pressure roller is biased against the brake roller so that it presses the wire against the brake roller. According to another preferred embodiment of the present invention, it is provided that a pretensioning device is provided, which the pressure roller in the pressing direction biases against the brake roller. This may be a compression spring, of course, other possibilities are conceivable, for example, a pneumatic cylinder or a linear drive or the like.

In einer weiteren bevorzugten Ausführungsform umfasst die Bremsrolle an ihrem Umfang eine Drahtführungsrille. In einer besonders bevorzugten Ausführungsform weist die Andruckrolle einen Umfangsbereich auf, mit dem sie in die Drahtführungsrille der Bremsrolle eintaucht.In a further preferred embodiment, the brake roller comprises at its periphery a wire guide groove. In a particularly preferred embodiment, the pressure roller has a peripheral region with which it dips into the wire guide groove of the brake roller.

In einer ganz besonders bevorzugten Ausführungsform der Drahtlaufvorrichtung ist die Bremsrolle sowohl in Bremsrichtung als auch in die der Bremsrichtung entgegengesetzten Richtung drehend antreibbar. Somit kann die Bremsrolle die Laufbewegung des Drahtes unterstützen als auch abbremsen oder gar Draht zurückführen, wenn sich eine Drahtlose gebildet haben sollte.In a particularly preferred embodiment of the wire running device, the brake roller is rotationally driven both in the braking direction and in the opposite direction of the braking direction. Thus, the brake roller can support the running movement of the wire as well as decelerate or even lead back wire when a wireless should have formed.

Die erfindungsgemäße Drahtlaufvorrichtung kann in Wickelvorrichtungen eingebaut werden, so dass die gestellte Aufgabe auch durch eine Wickelvorrichtung gelöst wird, wobei die Wickelvorrichtung einen mit Draht zu bewickelnden Wickelkörper, einen Draht sowie eine oben beschriebene Drahtlaufvorrichtung und einen insbesondere als Drahtzuführdüse oder Drahtführungsdüse ausgebildeten Drahtführer umfasst, welche zwischen Wickelkörper und Drahtlaufvorrichtung angeordnet ist und den durch die Drahtlaufvorrichtung geführten Draht dem Wickelkörper zuführt.The wire running device according to the invention can be installed in winding devices, so that the object is achieved by a winding device, wherein the winding device comprises a wound with wire wound body, a wire and a wire device described above and a particular wire feed or Drahtführungsdüse formed wire guide, which is arranged between the winding body and wire running device and the guided through the wire running device wire feeds the winding body.

Die Erfindung soll nun anhand von Ausführungsbeispielen näher erläutert werden.

Figur 1A -
zeigt die Frontansicht einer Wickelvorrichtung,
Figur 1B -
zeigt einen Ausschnitt der Frontansicht der Wickelvorrichtung, die Drahtlaufvorrichtung,
Figur 2A -
zeigt die Seitenansicht einer erfindungsgemäßen Wickelvorrichtung,
Figur 2B -
zeigt einen Ausschnitt der Figur 2A, einen Schnitt durch Drahtführungsrille, in die ein Umfangsbereich der Anpressrolle eintaucht.
The invention will now be explained in more detail with reference to embodiments.
Figure 1A -
shows the front view of a winding device,
FIG. 1B -
shows a detail of the front view of the winding device, the wire running device,
Figure 2A -
shows the side view of a winding device according to the invention,
FIG. 2B -
shows a part of the FIG. 2A , A section through wire guide groove into which a peripheral portion of the pressure roller dips.

Die Figuren 1A und 2A zeigen eine Wickelvorrichtung von vorne (1A) und von der Seite (2A). In dieser Wickelvorrichtung soll ein Wickelkörper 7 mit einem Draht 2 bewickelt werden. Dabei wird der Draht 2 aus einem Drahtvorrat hinter oder alternativ auch vor der Wickelvorrichtung (nicht gezeigt) über eine Bremsvorrichtung, aufweisend eine Bremsrolle 4 und eine Anpressrolle 5, einer Umlenkrolle 3 zugeführt. Von der Umlenkrolle 3 wird der Draht zum Drahtführer 6 (der wie gezeigt beispielhaft als Drahtzuführungsdüse 6 ausgebildet ist) geführt. Der Drahtführer 6 wird so gesteuert, dass der Draht 2 in der gewünschten Art auf den Wickelkörper 7 gewickelt wird. Die Zuführungsrichtung des Drahtes ist dabei mit dem Pfeil R bezeichnet.The FIGS. 1A and 2A show a winding device from the front (1A) and from the side (2A). In this winding device, a winding body 7 is to be wound with a wire 2. In this case, the wire 2 from a wire supply behind or alternatively also before the winding device (not shown) via a braking device, comprising a brake roller 4 and a pressure roller 5, a guide roller 3 is supplied. From the guide roller 3, the wire is guided to the wire guide 6 (which is exemplified as a wire feed nozzle 6, as shown). The wire guide 6 is controlled so that the wire 2 is wound in the desired manner on the winding body 7. The feeding direction of the wire is designated by the arrow R.

Die Drahtlaufvorrichtung 1 soll im Folgenden an der Figur 1B, die dem Ausschnitt A der Figur 1A entspricht, näher erläutert werden.The wire running device 1 is intended below at the FIG. 1B that the cut A of the Figure 1A corresponds, will be explained in more detail.

Der Draht 2 wird über ein Führungselement, beispielsweise durch einen Rohrabschnitt, welches unmittelbar unterhalb der Bremsrolle 4 endet, der Bremsrolle zugeführt. Die Anpressrolle 5 drückt den Draht 2 mit einer Vorspanneinrichtung 8 in Anpressrichtung P2 gegen die Bremsrolle 4. In dieser Ausführungsform weist die Vorspanneinrichtung 8 zwei Druckfedern auf; es sind allerdings auch Vorspanneinrichtungen 8 denkbar, welche Zugfedern, Linearantriebe, Pneumatikzylinder oder ähnliche Einrichtungen umfassen. Durch das Andrücken der Anpressrolle 5 an die Bremsrolle 4 wird ein Reibschluss des Drahtes 2 mit der Bremsrolle 4 erzeugt. Ist die Bremsrolle 4 sowohl in Bremsrichtung als auch in Zuführungsrichtung R antreibbar, kann die Zuführung des Drahtes 2 sowohl unterstützt als auch gebremst und es kann sogar der Draht 2 zurückgeführt werden, wenn sich eine Drahtlose zwischen Bremsrolle 4 und Wickelkörper 7 gebildet haben sollte. Von der Bremsrolle 4 wird der Draht 2 über eine Umlenkrolle 3 einer steuerbaren Drahtzuführungsdüse 6 zugeführt, um anschließend auf einem Wickelkörper 7 gewickelt zu werden. In dem in Figur 1B gezeigten Ausführungsbeispiel taucht der Außenbereich der Andruckrolle 5 in die Drahtführungsrille 40 der Bremsrolle 4 ein, was anhand der Figur 2B näher erläutert wird.The wire 2 is fed via a guide element, for example by a pipe section which ends immediately below the brake roller 4, the brake roller. The pressure roller 5 presses the wire 2 with a biasing device 8 in the pressing direction P2 against the brake roller 4. In this embodiment, the biasing means 8 comprises two compression springs; However, it is also conceivable pretensioners 8, which comprise tension springs, linear drives, pneumatic cylinders or similar devices. By pressing the pressure roller 5 to the brake roller 4, a frictional engagement of the wire 2 with the brake roller 4 is generated. If the brake roller 4 can be driven both in the braking direction and in the feed direction R, the supply of the wire 2 can both supported and braked and it can even be returned to the wire 2, if a wireless between brake roller 4 and bobbin 7 should have formed. From the brake roller 4, the wire 2 is fed via a deflection roller 3 to a controllable wire feed nozzle 6, in order subsequently to be wound on a winding body 7. In the in FIG. 1B the embodiment of the pressure roller 5 immersed in the wire guide groove 40 of the brake roller 4, which is based on the FIG. 2B is explained in more detail.

Die Figur 2B zeigt den äußeren Abschnitt der Bremsrolle 4, deren äußerer Umfang als Drahtführungsrille 40, 41, 42 ausgeführt ist. In dieser Drahtführungsrille 40, 41, 42 wird der Draht 2 an der Bremsrolle 4 entlanggeführt. Die Drahtführungsrille hat (von der Bremsrollenmitte [oben] aus betrachtet) einen ebenen oder geschrägten Boden 40, auf dem der Draht 2 aufliegt. Begrenzt wird dieser Boden 40 von - insbesondere steil - ansteigenden Abschnitten 41, 42. In diese Drahtführungsrille 40, 41, 42 greift der Umfangsbereich 50 der Anpressrolle 5 ein und drückt den Draht 2 gegen den Boden 40 der Drahtführungsrille.The FIG. 2B shows the outer portion of the brake roller 4, the outer circumference of which is designed as a wire guide groove 40, 41, 42 is. In this wire guide groove 40, 41, 42, the wire 2 is guided along the brake roller 4. The wire guide groove has (viewed from the brake roller center [top]) a flat or beveled bottom 40 on which the wire 2 rests. In this wire guide groove 40, 41, 42 engages the peripheral portion 50 of the pressure roller 5 and presses the wire 2 against the bottom 40 of the wire guide groove.

In der gezeigten Ausführungsform ist der Querschnitt des Umfangbereichs 50 rechteckig dargestellt. Dies ist eine bevorzugte Ausführungsform des Umfangbereichs 50 der Anpressrolle 5. Es ist allerdings auch denkbar, dass der Querschnitt leicht konisch ist. Voraussetzung ist allerdings, dass der Draht 2, der von der Anpressrolle 5 gegen die Bremsrolle 4 gedrückt wird, nicht aus der Drahtführungsrille 40, 41, 42 herausfallen kann. In der Figur 2B ist der "untere" Teil der Drahtführungsrille ebenfalls rechteckig dargestellt. Dieser Abschnitt könnte ebenfalls, wie der Außenbereich der Anpressrolle 5 leicht konisch ausgeführt sein. Die "oberen" Abschnitte der Drahtführungsrille 41a, 41b sind stärker abgeschrägt. Dies soll dazu dienen, beim Zusammenführen von Anpressrolle 5 und Bremsrolle 4 die Abschnitte zueinander zu führen.In the embodiment shown, the cross section of the peripheral region 50 is shown rectangular. This is a preferred embodiment of the peripheral region 50 of the pressure roller 5. However, it is also conceivable that the cross section is slightly conical. However, the prerequisite is that the wire 2, which is pressed by the pressure roller 5 against the brake roller 4, can not fall out of the wire guide groove 40, 41, 42. In the FIG. 2B the "lower" part of the wire guide groove is also shown rectangular. This section could also be designed as the outer region of the pressure roller 5 slightly conical. The "upper" portions of the wire guide grooves 41a, 41b are more chamfered. This should serve to guide the sections to each other when merging pressure roller 5 and brake roller 4.

In der Figur 2B sind die Bremsrolle 4 und die Anpressrolle 5 in der Drahtführungsrille 40, 41, 42 toleranzfrei zueinander dargestellt. Dieses Idealbild ist technisch natürlich nur schwer zu realisieren. In einer bevorzugten Ausführungsform liegt die Toleranz bei einer Seite unterhalb der Hälfte des Durchmessers des Drahtes 2. Bei einem minimalen Durchmesser des Drahtes 2 von 0,1 mm beträgt das Spiel zwischen der Anpressrolle 5 und der Bremsrolle weniger als 1/20 mm.In the FIG. 2B the brake roller 4 and the pressure roller 5 in the wire guide groove 40, 41, 42 are shown without tolerance to each other. Of course, this ideal picture is technically difficult to realize. In a preferred embodiment the tolerance is at one side below half the diameter of the wire 2. At a minimum diameter of the wire 2 of 0.1 mm, the clearance between the pressure roller 5 and the brake roller is less than 1/20 mm.

Mit einer erfindungsgemäßen Drahtlaufvorrichtung 1 kann der Wickelprozess unterstützt werden, indem die Bremsrolle 4 die Drahtzuführung unterstützt, bremst oder gar Draht 2 zurückführt, wenn sich eine Drahtlose gebildet haben sollte. Mit einer derartigen Drahtlaufvorrichtung können Wickelvorrichtungen einfacher und damit günstiger erstellt und betrieben werden.With a wire running device 1 according to the invention, the winding process can be assisted by the brake roller 4 supporting the wire feed, braking or even wire 2 returns when a wireless should have formed. With such a wire running device winding devices can be made easier and thus cheaper and operated.

Claims (8)

  1. Wire feeding device (1) for supplying a wire (2) in a supply direction (R), with a driven brake roller (4) which is designed to counteract the wire feed during supplying the wire (2) by rotating in a braking direction, wherein a contact pressure roller (5) pretensioned against the brake roller (4) presses the wire (2) against the brake roller (4)
    characterised in that
    the contact pressure roller (5) presses the wire (2) against the brake roller (4) in such a way that a friction engagement is produced in respect of the wire (2) which is pressed by the contact pressure roller (5) against the brake roller (4), and that the brake roller (4) is designed not only to exert a braking function but also to move the wire in the braking direction.
  2. Wire feeding device (1) according to claim 1,
    characterised in that
    the exterior periphery of the brake roller (4) comprises friction-engaging material with defined friction properties.
  3. Wire feeding device (1) according to claim 2
    characterised in that
    the friction-engaging material is a vulcanised rubber material.
  4. Wire feeding device (1) according to one of the preceding claims
    characterised in that
    it comprises a pretensioning device (8) which pretensions the contact pressure roller (5) in a contact pressure direction (P2) against the brake roller (4).
  5. Wire feeding device (1) according to one of the preceding claims
    characterised in that
    the brake roller (4) comprises a wire guiding groove (40, 41, 42) on its periphery.
  6. Wire feeding device (1) according to claim 5
    characterised in that
    the contact pressure roller (5) comprises a peripheral region (50) with which it projects into the wire guiding groove (40, 41, 42) of the brake roller (4).
  7. Wire feeding device (1) according to one of the preceding claims,
    characterised in that
    the brake roller (4) can be driven in rotation both in the braking direction and also in the direction counter to the braking direction.
  8. Winding device with a winding body (7) which is to be wound with wire (2), a wire (2) as well as with a wire feeding device (1) according to one of the preceding claims, and with a wire guiding member (6), more particularly a wire supply nozzle (6) which is arranged between the winding body (7) and the wire feeding device (1) and supplies the wire (2) guided through the wire feeding device (1) to the winding body (7).
EP16186657.9A 2016-08-31 2016-08-31 Wire feeding device Not-in-force EP3290370B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16186657.9A EP3290370B1 (en) 2016-08-31 2016-08-31 Wire feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16186657.9A EP3290370B1 (en) 2016-08-31 2016-08-31 Wire feeding device

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Publication Number Publication Date
EP3290370A1 EP3290370A1 (en) 2018-03-07
EP3290370B1 true EP3290370B1 (en) 2019-01-30

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020035801A1 (en) 2018-08-17 2020-02-20 Schleuniger Holding Ag Device and method for braking a conductor
EP3741476B1 (en) 2019-05-20 2022-12-28 Schleuniger AG Aligning device for straightening a conduit, method for braking at least one rotatable roll in an aligning device, cable processing machine with an alignment device and and upgrade kit for a cable processing machine
CN110713077B (en) * 2019-09-28 2021-11-02 湖州晨宇家居用品有限公司 Yarn conveying tension adjusting mechanism of large circular knitting machine

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Publication number Priority date Publication date Assignee Title
DE1075221B (en) * 1960-02-11 LICENTIA Patent-Verwaltungs GmbH, Frankfurt/M Brake arrangement for bobbin winding machines
DE2318884C2 (en) 1973-04-14 1982-02-25 Eugen Beyer, Elektrotechnische Fabrik, 7100 Heilbronn Device for keeping the wire tension constant in winding machines
JPS6064955U (en) 1983-10-11 1985-05-08 タナツク・エンジニヤリング株式会社 Winding machine tension device
DE3425939A1 (en) * 1983-12-30 1985-07-11 Ram Elettronica di Badlagis Luca & C.S.n.c., Modena TENSION ADJUSTER FOR ELASTIC TAPE AND SIMILAR, ESPECIALLY FOR MACHINES TO RECEIVE TAPE ON FABRIC
DE3536363A1 (en) * 1985-10-09 1987-04-09 Siemens Ag Winding machine for producing electrical coils
DE3732258A1 (en) 1987-09-22 1989-04-06 Siemens Ag WIRE BRAKE DEVICE
FR2655888A1 (en) 1989-12-20 1991-06-21 Prosys WIRE TENSION REGULATOR FOR POWERING A WINDING MACHINE FROM A NOURISHMENT.
JP2692386B2 (en) * 1991-01-17 1997-12-17 三菱電機株式会社 Wire electric discharge machine
DE59302791D1 (en) * 1992-03-30 1996-07-11 Meteor Ag Device and method for regulating the tension of a thread-like material, preferably a winding wire for electrical coils
DE112009004639T5 (en) * 2009-04-07 2012-08-09 Mitsubishi Electric Corp. Maintenance system for a wire transport system of a wire discharge processing machine

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