EP3456671B1 - Wire braking device - Google Patents
Wire braking device Download PDFInfo
- Publication number
- EP3456671B1 EP3456671B1 EP17191323.9A EP17191323A EP3456671B1 EP 3456671 B1 EP3456671 B1 EP 3456671B1 EP 17191323 A EP17191323 A EP 17191323A EP 3456671 B1 EP3456671 B1 EP 3456671B1
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- EP
- European Patent Office
- Prior art keywords
- braking
- wire
- rollers
- brake
- drive shaft
- 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.)
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- 238000004804 winding Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Images
Classifications
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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
- B65H59/16—Braked elements rotated by material
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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
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/36—Wires
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires
Definitions
- the invention relates to a wire brake device, in particular multi-wire brake device, according to the preamble of claim 1 and a winding device with a wire brake device according to the preamble of claim 14.
- a wire brake device according to the preamble of claim 1 is known from US 8 936 153 B1 known.
- a wire In winding processes, especially in Nadelwickelvon, a wire is usually fed via a wire nozzle to be wound on the winding body.
- the wire is usually removed from a wire reel and then passes to the winding nozzle.
- the wire tension so the force with which the wire is stretched in the course of the winding process, set appropriately.
- wireless results i. E. the wire pull can be temporarily too small at any rate. Consequently, between the wire supply (wire roll) and the wire nozzle usually used so-called braking devices, which are usually formed by individual brake rollers.
- wire bundles are understood to mean a plurality of wires which are not twisted together in the sense of a stranded wire. It is therefore a plurality of more or less parallel led wires. Usually, these are used to wind a plurality of poles at the same time, especially in the case of needle winders with distributed windings. Conventional braking devices would then have to be made available individually for each individual wire, since it has been shown that in the winding process with wire bundles in the individual wires to different degrees of wire or even to wireless comes. Due to appropriate space requirements known devices with previously known wire brakes at least then reach their limits when a plurality of wires is fed to the winding body at the same time, since each brake roller, which is coupled to a corresponding brake unit (motor), must be controlled individually.
- Object of the present invention is therefore to provide a wire brake device, in particular multi-wire brake device, with a plurality of brake rollers of the type mentioned, which can be particularly space-saving integration into known winding devices.
- the wire brake device according to the invention in particular multi-wire brake device, has a plurality of coaxially arranged brake rollers, each designed for this purpose are to slow down a single wire of a wire bundle or if necessary to promote against the wire running direction. Further provided in the wire braking device according to the invention, a number of brake rollers corresponding plurality of pressure rollers, which in turn are adapted to press a guided over the brake rollers wire against the brake rollers.
- each brake roller is at least one associated with the brake roller, at least one axially displaceable actuating means to be actuated and assigned by axial displacement with the respective brake roller to be engaged brake means or the brake rollers is at least one interacting with one or more of the brake rollers, radially displaceable and assigned by radial displacement with one or a plurality of brake rollers to be engaged brake means.
- actuating means is for example a pneumatic cylinder into consideration, which is driven according to one embodiment, for example via a proportional valve, so that the required braking effect can be generated via the proportional valve and thus driven cylinder.
- the braking effect can be changed at any time via the machine control of the device according to the invention for the entire wire bundle.
- the wire brake device further comprises a drive, in particular a servomotor, which is coupled via at least one shaft with the braking means such that at Brake operation, in particular actuation of the at least one actuating means, a frictional contact between the brake roller and brake means is made and thus a rotation of the brake roller is made possible by the drive against the wire feed direction.
- a drive in particular a servomotor, which is coupled via at least one shaft with the braking means such that at Brake operation, in particular actuation of the at least one actuating means, a frictional contact between the brake roller and brake means is made and thus a rotation of the brake roller is made possible by the drive against the wire feed direction.
- each brake roller is associated with exactly one drive shaft in a particularly preferred embodiment.
- the drive shafts are at least partially formed as hollow shafts.
- the drive shafts can be arranged coaxially.
- the device can also be made very compact.
- the waves are formed nested, which further reduces the space of this arrangement.
- each brake roller has a friction section.
- each friction section is associated with a brake drive connected to a single drive shaft.
- Each braking means then interacts frictionally upon actuation of the actuating means with the respectively associated friction portions of the respective brake roller.
- a braking effect can be transmitted to all brake discs by means of a single drive shaft.
- the brake means are non-rotatably connected to the drive shaft. They thus necessarily follow the rotation of the drive shaft.
- the braking means are mounted axially displaceably on the drive shaft.
- the distances of the brake rollers or friction sections measured in the direction of the axis of rotation of the brake rollers correspond to the distances measured in the direction of the axis of rotation of the associated brake sections.
- the distances of the brake rollers or friction portions and the associated braking means along the longitudinal extension of the drive shaft are formed equidistant. At least for identical wire to two wires of the wire bundle obtained in this way an identical braking effect.
- the drive shaft is preferably designed as a splined shaft.
- the brake means simply plugged onto the shaft and rotatably thereto, but axially slightly displaceable, can be fixed.
- the friction sections and the respectively associated brake means facing each other in the direction of engagement, ground friction surfaces respectively.
- the mutually facing ground surfaces have a cut, which ensures the required frictional engagement.
- the actuation of the brake means can be arbitrary.
- a mechanical actuation for example via lever mechanisms or by shifting individual drive axles take place; It is also possible to perform the operation electrically or electro-magnetically by means of switches or magnets.
- the braking means can be moved hydraulically or pneumatically. In a very preferred embodiment, the braking means is pneumatically operated.
- the drive shaft is provided with a pneumatic connection, which has a fluid connection to a flexible hollow chamber element.
- This flexible hollow chamber element is deformable during fluid filling so that it acts on the brake means radially outward with a braking force.
- this flexible hollow chamber element is tubular. With such a hollow chamber element, a plurality of brake elements can be operated very well at the same time.
- pneumatic actuator Another advantage of using a pneumatic actuator is that the pneumatics can also be used to support the brake rollers.
- the drive shaft provided with a pneumatic bearing connection, which is in fluid communication with provided on the drive shaft air bearing portions through which the brake rollers are mounted on the drive shaft.
- the invention further relates to a winding device.
- This winding device comprises a wire bundle of a plurality of individual, non-twisted wires and a feeding device which supplies the plurality of wires forming the wire bundle to a wire brake device.
- the winding device according to the invention is designed so that the feeder, the wires of the wire bundle singles and each supplying a wire exactly one brake roller of the wire brake device, which may be configured as described above.
- the in the Figures 1 - 3 shown first embodiment of the wire brake device 1 comprises a brake roller assembly having a plurality, preferably two to four, co-axially mounted brake rollers 21, 22, 23, over which in each case a wire of a wire bundle when feeding on a winding body (not shown) is performed ,
- each brake roller 21, 22, 23 associated with a corresponding wire guide means 41, 42 and 43, which is designed to receive exactly one wire.
- each brake roller 21, 22, 23 associated with a corresponding pinch roller 31, 32 and 33 respectively, the guided through the wire guide means 41, 42, 43 wires against the associated brake roller 21, 22, 23 press.
- each pressure roller 31, 32, 33 associated, adjusting 31a, 32a, 33a, the pressing force of the respective pinch roller 31, 32, 33 are set individually against the associated brake rollers.
- each brake roller 21, 22, 23 each have its own, designed as an actuator actuating means, in particular in the form of a pneumatic cylinder braked.
- each of the shafts 51, 52, 53 is coupled to its own actuator and by this in the direction of the arrow P axially, ie along the axis of the shafts or the axes of rotation of the rollers 21, 22, 23 movable.
- the rollers 21, 22, 23 are freely rotatably mounted about the axis of rotation.
- the respective shafts 51, 52, 53 are at least partially formed as hollow shafts and thus interleaved and arranged within a drive shaft 8, which are all preferably housed in a housing 10.
- the brake roller 23 is braked by the outermost shaft 53 by an axial movement of the present on the shaft 53 brake portion 113a, the part of a shaft 53 coupled to the brake means 113, which is designed here as a brake stamp presses against a corresponding friction portion 93, which is coupled to the brake roller 23.
- the shaft 52 is disposed coaxially within the shaft 53, and via the shaft 52, the brake roller 22 can be braked by an axial movement of the present on the shaft 52 brake portion 112 a, which is part of a coupled to the shaft 52 brake plunger 112, pushes against a corresponding friction portion 92 which is coupled to the brake roller 22.
- the inner shaft 51 is disposed coaxially therewith, wherein the shaft 51 correspondingly brakes the brake roller 21 by an axial movement of the existing on the shaft 51 brake portion 111a, which is part of a coupled to the shaft 51 brake punch 111, pushes against a corresponding friction portion 91 which is coupled to the brake roller 21.
- all brake rollers 2 of the wire brake device 1 are braked by a single adjusting means.
- 6 indicates the wire guide by way of example.
- the reference numeral 3 refers here to the amount of individual pressure rollers.
- 5 is a servo motor which, when the braking effect has occurred, forms a shaft 8 (FIG. FIG. 7 ) and is thus able to move the brake rollers in the opposite direction of the wire to remove about wireless.
- FIG. 6 is again shown a side view of the embodiment of the invention.
- the brake rollers 2 are here numbered from 1 to n for the sake of simplicity, the rightmost brake roller is the 21, the leftmost corresponding to the roller 2n.
- the drive 5 is provided with a shaft 8 (in particular as a splined shaft) (FIG. FIG. 7 ) and can turn this. On this shaft sit the particular free-rotating trained brake rollers 21, ..., 2n.
- Reference numeral 12 denotes on the wire exit side of the wire brake device 1, a set of pulleys. Looking at the section of the FIG. 7 , each of the brake rollers 21, ..., 2n is assigned a respective friction section 91,..., 9n.
- corresponding brake means 111,..., 11n are arranged, which have braking surfaces which cooperate with a respective friction surface of the associated friction section 91,..., 9n upon actuation of the brake. From the cut-out enlargement in FIG. 8 this can be taken very clearly. If the brake is actuated, which is effected by a preferably designed as a cylinder actuating means 7, then the brake means 111, 112, 113, 114, 115 mounted on the preferably designed as splined shaft 8 move in the axial direction to the left in the drawing adjacent friction portion 91, 92, 93, 94 and 95 of the associated brake roller 21, 22, 23, 24 and 25 to.
- Each brake roller undergoes an individual deceleration, which depends on the force exerted on the roller by the wire 6 Drahtzug.
- the brake rollers are prevented in this way by the braking means from rotating freely.
- the braking means can ensure that the brake rollers are rotated in their rotational position with the braking means in the direction of rotation of the shaft 8, when the shaft 8 is rotated. In this way can be achieved by rotating the shaft 8, for example, that the brake rollers are rotated against the feed direction of the wire 6. The return of wireless is thus possible in this way.
- This embodiment of the wire brake device 1 has a drive motor 5, which drives the drive shaft 120 via a belt 80.
- the at least partially designed as a hollow shaft 121, 124 drive shaft 120 is at the two ends, like the FIG. 11 shows, rotatably mounted on the housing in a repository 130.
- each pneumatic ports 60, 70 are arranged stationary.
- FIG. 9 a single wire 6, which is guided over a brake roller 2.
- the pressure rollers are not shown for reasons of clarity of the figures.
- the cavity 121 is supplied with a fluid medium.
- the cavity 121 is in contact with the air bearing portions 122 via the radial joints 123.
- the individual air bearing portions 122 are arranged offset by 120 ° in the circumference in this embodiment. This has proved to be advantageous for reasons of space saving, but it is also possible, with a clever design of the air bearing sections 122, to arrange only two on the circumference.
- the brake rollers 2 (21, 22, ..., 2n) slide with virtually no friction.
- FIG. 11 shows the interior 128 of the hollow chamber member 126 via the radial connection 125 and the central cavity 124 with the pneumatic brake port 70 in connection.
- the hollow chamber element 126 is tubular and extends below the set of brake rollers 2, 21, 22, ... 2n. The operation of this arrangement is based on the FIG. 13 explained.
- the FIG. 13 corresponds to the section D of Figure 12.
- the hollow chamber element 126 is in an outwardly (in the figure up) open cavity 127 of the drive shaft 120 is arranged.
- the hollow chamber element 126 expands and presses the brake fluid 140 radially outwards, then that it is pressed against the brake rollers 2 and generates a frictional engagement of the drive shaft 120 with the brake rollers 2.
- the frictional engagement is solved by the fluid being discharged or sucked out of the hollow chamber element 126.
- a negative pressure can be generated, so that the hollow chamber element on the in Fig. 13 contracted elliptical cross-sectional shape and thus solves the attached braking means 140 from engagement with the brake rollers 2.
- a multi-wire brake device can be created particularly cost-effective, which also has a small space, since only one drive motor is required.
Description
Die Erfindung betrifft eine Drahtbremsvorrichtung, insbesondere Mehrfachdrahtbremsvorrichtung, nach dem Oberbegriff des Anspruchs 1 und eine Wickelvorrichtung mit einer Drahtbremsvorrichtung nach dem Oberbegriff des Anspruchs 14. Eine solche Drahtbremsvorrichtung gemäß dem Oberbegriff des Anspruchs 1 ist aus der
Bei Wickelprozessen, insbesondere bei Nadelwickelprozessen, wird ein Draht in der Regel über eine Drahtdüse dem zu bewickelnden Wickelkörper zugeführt. Der Draht wird in der Regel von einer Drahtrolle abgezogen und gelangt dann zur Wickeldüse. Für einen erfolgreichen Wickelprozess spielt es insbesondere eine Rolle, den Drahtzug, also die Kraft, mit der der Draht im Verlaufe des Wickelprozesses gespannt wird, passend einzustellen. Auch kann es vorkommen, dass sich während des Wickelprozesses sogenannte Drahtlosen ergeben, d.h. der Drahtzug kann jedenfalls vorübergehend zu gering sein. Folglich verwendet man zwischen dem Drahtvorrat (Drahtrolle) und der Drahtdüse in der Regel sogenannte Bremseinrichtungen, die üblicherweise durch einzelne Bremsrollen gebildet werden.In winding processes, especially in Nadelwickelprozessen, a wire is usually fed via a wire nozzle to be wound on the winding body. The wire is usually removed from a wire reel and then passes to the winding nozzle. For a successful winding process, it plays a particular role, the wire tension, so the force with which the wire is stretched in the course of the winding process, set appropriately. It can also happen that during the winding process so-called wireless results, i. E. the wire pull can be temporarily too small at any rate. Consequently, between the wire supply (wire roll) and the wire nozzle usually used so-called braking devices, which are usually formed by individual brake rollers.
Je nach Anwendungsfall kann es aber vorkommen, dass nicht einzelne Drähte, sondern ganze Drahtbündel auf entsprechende Wickelkörper, wie zum Beispiel Statorblechpakete gewickelt werden müssen. Dies erfordert die parallele Führung einer Mehrzahl Drähte. Unter Drahtbündel wird im Folgenden eine Mehrzahl Drähte verstanden, die miteinander nicht etwa im Sinne einer Litze verdrillt sind. Es handelt sich also um eine Mehrzahl mehr oder weniger parallel geführter Drähte. Üblicherweise werden diese eingesetzt, um insbesondere beim Nadelwickeln mit verteilten Wicklungen eine Mehrzahl Pole gleichzeitig zu bewickeln. Konventionelle Bremsvorrichtungen müssten dann individuell für jeden einzelnen Draht zur Verfügung gestellt werden, da sich gezeigt hat, dass es im Wickelprozess mit Drahtbündeln bei den einzelnen Drähten zu unterschiedlich starken Drahtzügen oder sogar zu Drahtlosenkommt. Aufgrund entsprechender Bauraumanforderungen stoßen bekannte Vorrichtungen mit bisher bekannten Drahtbremsen jedenfalls dann an ihre Grenzen, wenn eine Mehrzahl Drähte gleichzeitig dem Wickelkörper zugeführt wird, da jede Bremsrolle, die mit einem entsprechenden Bremsaggregat (Motor) gekoppelt ist, einzeln angesteuert werden muss.Depending on the application, it may happen that not individual wires, but entire wire bundles must be wound on appropriate bobbins, such as stator lamination. This requires the parallel guidance of a plurality of wires. In the following, wire bundles are understood to mean a plurality of wires which are not twisted together in the sense of a stranded wire. It is therefore a plurality of more or less parallel led wires. Usually, these are used to wind a plurality of poles at the same time, especially in the case of needle winders with distributed windings. Conventional braking devices would then have to be made available individually for each individual wire, since it has been shown that in the winding process with wire bundles in the individual wires to different degrees of wire or even to wireless comes. Due to appropriate space requirements known devices with previously known wire brakes at least then reach their limits when a plurality of wires is fed to the winding body at the same time, since each brake roller, which is coupled to a corresponding brake unit (motor), must be controlled individually.
Aufgabe der vorliegenden Erfindung ist es daher, eine Drahtbremsvorrichtung, insbesondere Mehrfachdrahtbremsvorrichtung, mit einer Mehrzahl Bremsrollen der eingangs genannten Art anzugeben, welche sich insbesondere bauraumsparend in bekannte Wickelvorrichtungen integrieren lässt.Object of the present invention is therefore to provide a wire brake device, in particular multi-wire brake device, with a plurality of brake rollers of the type mentioned, which can be particularly space-saving integration into known winding devices.
Gelöst wird diese Aufgabe durch eine Drahtbremsvorrichtung, insbesondere Mehrfachdrahtbremsvorrichtung, mit den Merkmalen des Anspruchs 1, sowie eine entsprechende Wickelvorrichtung mit den Merkmalen des Anspruchs 14. Vorteilhafte Ausführungsformen finden sich in den abhängigen Ansprüchen.This object is achieved by a wire brake device, in particular multi-wire brake device, with the features of
Die erfindungsgemäße Drahtbremsvorrichtung, insbesondere Mehrfachdrahtbremsvorrichtung, weist eine Mehrzahl koaxial angeordnete Bremsrollen auf, die jeweils dazu ausgelegt sind, einen Einzeldraht eines Drahtbündels abzubremsen oder ggf. auch gegen die Drahtlaufrichtung zu fördern. Weiter vorgesehen sind bei der erfindungsgemäßen Drahtbremsvorrichtung eine der Anzahl der Bremsrollen entsprechende Mehrzahl Andruckrollen, die wiederum dazu ausgelegt sind, einen über die Bremsrollen geführten Draht gegen die Bremsrollen anzudrücken.The wire brake device according to the invention, in particular multi-wire brake device, has a plurality of coaxially arranged brake rollers, each designed for this purpose are to slow down a single wire of a wire bundle or if necessary to promote against the wire running direction. Further provided in the wire braking device according to the invention, a number of brake rollers corresponding plurality of pressure rollers, which in turn are adapted to press a guided over the brake rollers wire against the brake rollers.
Dabei ist jeder einzelnen Bremsrolle jeweils wenigstens ein mit der Bremsrolle interagierendes, über wenigstens ein axial verschiebliches Stellmittel zu betätigendes und durch axiales Verschieben mit der jeweiligen Bremsrolle in Eingriff zu bringendes Bremsmittel zugeordnet oder den Bremsrollen ist wenigstens ein mit einer oder mehreren der Bremsrollen interagierendes, radial verschiebliches und durch radiales Verschieben mit einer oder einer Mehrzahl der Bremsrollen in Eingriff zu bringendes Bremsmittel zugeordnet. Als Stellmittel kommt beispielsweise ein pneumatischer Zylinder in Betracht, welcher nach einer Ausführungsform beispielsweise über ein Proportionalventil angesteuert ist, sodass über das Proportionalventil und den damit angesteuerten Zylinder die erforderliche Bremswirkung erzeugt werden kann. Die Bremswirkung ist über die Maschinensteuerung der erfindungsgemäßen Vorrichtung für das gesamte Drahtbündel jederzeit veränderbar.In this case, each brake roller is at least one associated with the brake roller, at least one axially displaceable actuating means to be actuated and assigned by axial displacement with the respective brake roller to be engaged brake means or the brake rollers is at least one interacting with one or more of the brake rollers, radially displaceable and assigned by radial displacement with one or a plurality of brake rollers to be engaged brake means. As actuating means is for example a pneumatic cylinder into consideration, which is driven according to one embodiment, for example via a proportional valve, so that the required braking effect can be generated via the proportional valve and thus driven cylinder. The braking effect can be changed at any time via the machine control of the device according to the invention for the entire wire bundle.
Erfindungsgemäß weist gemäß einer bevorzugten Ausführungsform die Drahtbremsvorrichtung weiter einen Antrieb, insbesondere einen Servomotor, auf, welcher über wenigstens eine Welle mit den Bremsmitteln derart gekoppelt ist, dass bei Bremsbetätigung, insbesondere Betätigung des wenigstens einen Stellmittels, ein Reibkontakt zwischen Bremsrolle und Bremsmittel hergestellt wird und so eine Drehung der Bremsrolle durch den Antrieb entgegen der Drahtzuführungsrichtung ermöglicht ist.According to the invention, according to a preferred embodiment, the wire brake device further comprises a drive, in particular a servomotor, which is coupled via at least one shaft with the braking means such that at Brake operation, in particular actuation of the at least one actuating means, a frictional contact between the brake roller and brake means is made and thus a rotation of the brake roller is made possible by the drive against the wire feed direction.
Um den Bauraum für so eine Anordnung möglichst gering zu halten, ist in einer besonders bevorzugten Ausführungsform jeder Bremsrolle genau eine Antriebswelle zugeordnet. In einer ganz besonders bevorzugten Ausführungsform sind die Antriebswellen wenigstens teilweise als Hohlwellen ausgebildet. Somit können die Antriebswellen koaxial angeordnet werden.In order to keep the space for such an arrangement as small as possible, each brake roller is associated with exactly one drive shaft in a particularly preferred embodiment. In a very particularly preferred embodiment, the drive shafts are at least partially formed as hollow shafts. Thus, the drive shafts can be arranged coaxially.
Durch eine koaxiale Anordnung der Wellen kann die Vorrichtung zudem sehr kompakt ausgebildet werden. Die Wellen werden ineinander verschachtelt ausgebildet, was den Bauraum dieser Anordnung weiter reduziert.By a coaxial arrangement of the waves, the device can also be made very compact. The waves are formed nested, which further reduces the space of this arrangement.
Nach einer weiteren besonders bevorzugten Ausführungsform ist ein einziges Stellmittel vorgesehen, wobei weiter jede Bremsrolle einen Reibabschnitt aufweist. Entsprechend ist dann in dieser Ausführungsform jedem Reibabschnitt ein mit einer einzigen Antriebswelle verbundenes Bremsmittel zugeordnet. Jedes Bremsmittel wirkt dann bei Betätigung des Stellmittels mit den jeweils zugehörigen Reibabschnitten der jeweiligen Bremsrolle reibschlüssig zusammen. Auf diese Art und Weise kann mittels einer einzigen Antriebswelle eine Bremswirkung auf alle Bremsscheiben übertragen werden. Hierbei wirkt die Bremswirkung je nach individuellem Drahtzug unterschiedlich, so dass zum Beispiel einige Drähte des Drahtbündels in Drahtlaufrichtung abgezogen werden können und andere Drähte des Drahtbündels zurückgefördet werden können . In einer ganz besonders bevorzugten Ausführungsform sind die Bremsmittel drehfest mit der Antriebswelle verbunden. Sie folgen somit gezwungenermaßen der Rotation der Antriebswelle. In einer sehr besonders bevorzugten Ausführungsform sind die Bremsmittel axial auf der Antriebswelle verschieblich gelagert.According to a further particularly preferred embodiment, a single adjusting means is provided, wherein furthermore each brake roller has a friction section. Accordingly, in this embodiment, each friction section is associated with a brake drive connected to a single drive shaft. Each braking means then interacts frictionally upon actuation of the actuating means with the respectively associated friction portions of the respective brake roller. In this way, a braking effect can be transmitted to all brake discs by means of a single drive shaft. Here, the braking effect depending on the individual Wire different, so that, for example, some wires of the wire bundle in the wire running direction can be deducted and other wires of the wire bundle can be fed back. In a very particularly preferred embodiment, the brake means are non-rotatably connected to the drive shaft. They thus necessarily follow the rotation of the drive shaft. In a very particularly preferred embodiment, the braking means are mounted axially displaceably on the drive shaft.
Nach einer weiteren ganz besonders bevorzugten Ausführungsform entsprechen die in Richtung der Drehachse der Bremsrollen gemessenen Abstände der Bremsrollen oder Reibabschnitte den in Richtung der Drehachse gemessenen Abständen der zugehörigen Bremsabschnitte. Bevorzugt sind die Abstände der Bremsrollen oder Reibabschnitte und der zugehörigen Bremsmittel entlang der Längserstreckung der Antriebswelle äquidistant ausgebildet. Zumindest bei identischem Drahtzug an zwei Drähten des Drahtbündels erhält man auf diese Weise eine identische Bremswirkung.According to a further particularly preferred embodiment, the distances of the brake rollers or friction sections measured in the direction of the axis of rotation of the brake rollers correspond to the distances measured in the direction of the axis of rotation of the associated brake sections. Preferably, the distances of the brake rollers or friction portions and the associated braking means along the longitudinal extension of the drive shaft are formed equidistant. At least for identical wire to two wires of the wire bundle obtained in this way an identical braking effect.
Die Antriebswelle ist bevorzugt als Vielkeilwelle ausgebildet ist. So können beispielsweise die Bremsmittel einfach auf die Welle aufgesteckt und daran drehfest, jedoch axial geringfügig verschiebbar, fixiert werden.The drive shaft is preferably designed as a splined shaft. Thus, for example, the brake means simply plugged onto the shaft and rotatably thereto, but axially slightly displaceable, can be fixed.
Auch kann nach einer weiteren besonderen Ausführungsform der vorliegenden Erfindung vorgesehen sein, dass die Reibabschnitte und die jeweils zugehörigen Bremsmittel einander in Eingriffsrichtung zugewandte, geschliffene Reibflächen aufweisen. Die einander zugewandten geschliffenen Flächen weisen einen Schliff auf, der für den erforderlichen Reibschluss sorgt.It can also be provided according to a further particular embodiment of the present invention that the friction sections and the respectively associated brake means facing each other in the direction of engagement, ground friction surfaces respectively. The mutually facing ground surfaces have a cut, which ensures the required frictional engagement.
Die Betätigung der Bremsmittel kann beliebig erfolgen. So kann eine mechanisch Betätigung beispielsweise über Hebelmechanismen oder durch Verschiebung einzelner Antriebsachsen erfolgen; auch ist es möglich die Betätigung elektrisch bzw. elektro-magnetisch mittels Schaltern oder Magneten auszuführen. Weiterhin können die Bremsmittel hydraulisch oder pneumatisch bewegt werden. Bei einer sehr bevorzugten Ausführungsform wird das Bremsmittel pneumatisch betätigt.The actuation of the brake means can be arbitrary. Thus, a mechanical actuation, for example via lever mechanisms or by shifting individual drive axles take place; It is also possible to perform the operation electrically or electro-magnetically by means of switches or magnets. Furthermore, the braking means can be moved hydraulically or pneumatically. In a very preferred embodiment, the braking means is pneumatically operated.
Bei der pneumatischen Betätigung lassen sich beispielsweise Druckzylinder einsetzen, die die Bremsmittel bewegen. In einer besonders bevorzugten Ausführungsform ist die Antriebswelle mit einem Pneumatikanschluss versehen, der eine Fluidverbindung zu einem flexiblen Hohlkammerelement aufweist. Dieses flexible Hohlkammerelement ist bei Fluidbefüllung so verformbar, dass es das Bremsmittel radial auswärts mit einer Bremskraft beaufschlagt. Ganz besonders bevorzugt ist dieses flexible Hohlkammerelement schlauchförmig. Mit einem derartigen Hohlkammerelement lassen sich sehr gut eine Mehrzahl von Bremselementen gleichzeitig bedienen.In the pneumatic actuation, for example, pressure cylinders can be used, which move the braking means. In a particularly preferred embodiment, the drive shaft is provided with a pneumatic connection, which has a fluid connection to a flexible hollow chamber element. This flexible hollow chamber element is deformable during fluid filling so that it acts on the brake means radially outward with a braking force. Most preferably, this flexible hollow chamber element is tubular. With such a hollow chamber element, a plurality of brake elements can be operated very well at the same time.
Ein weiterer Vorteil der Verwendung einer pneumatischen Betätigung ist, dass die Pneumatik auch zur Lagerung der Bremsrollen genutzt werden kann. In einer weiteren ganz besonders bevorzugten Ausführungsform ist die Antriebswelle mit einem Pneumatiklageranschluss versehen, der in Fluidverbindung mit an der Antriebswelle vorgesehenen Luftlagerabschnitten steht, durch welche die Bremsrollen auf der Antriebswelle gelagert sind.Another advantage of using a pneumatic actuator is that the pneumatics can also be used to support the brake rollers. In a further particularly preferred embodiment, the drive shaft provided with a pneumatic bearing connection, which is in fluid communication with provided on the drive shaft air bearing portions through which the brake rollers are mounted on the drive shaft.
Bei allen erfindungsgemäßen Ausführungsvarianten kann insbesondere auch vorgesehen sein, dass die Andruckrollen hinsichtlich ihrer Andruckkraft gegen die Bremsrollen einstellbar sind, so dass je nach Drahtstärke der verwendeten Drahtbündel oder anderer prozessbedingter Anforderungen die entsprechende Bremswirkung auf jeden einzelnen Draht einstellbar ist.In all embodiments of the invention may also be provided in particular that the pressure rollers are adjustable with respect to their pressure against the brake rollers, so that depending on the wire size of the wire bundle used or other process-related requirements, the corresponding braking effect on each wire is adjustable.
Die Erfindung betrifft ferner eine Wickelvorrichtung. Diese Wickelvorrichtung weist ein Drahtbündel aus einer Mehrzahl einzelner, nicht verdrillter Drähte auf sowie eine Zuführvorrichtung, die die Mehrzahl der das Drahtbündel bildenden Drähte auf eine Drahtbremsvorrichtung zuführt. Die erfindungsgemäße Wickelvorrichtung ist dabei so ausgelegt, dass die Zuführeinrichtung die Drähte des Drahtbündels vereinzelt und je einen Draht genau einer Bremsrolle der Drahtbremsvorrichtung zuführt, welche wie oben beschrieben ausgeführt sein kann.The invention further relates to a winding device. This winding device comprises a wire bundle of a plurality of individual, non-twisted wires and a feeding device which supplies the plurality of wires forming the wire bundle to a wire brake device. The winding device according to the invention is designed so that the feeder, the wires of the wire bundle singles and each supplying a wire exactly one brake roller of the wire brake device, which may be configured as described above.
Die Erfindung wird nachfolgend anhand zweier Ausführungsbeispiele, die in den
Figur 1- - zeigt eine perspektivische Ansicht einer erfindungsgemäßen Drahtbremsvorrichtung nach einer ersten Ausführungsform,
Figur 2- - zeigt eine Längsschnittansicht durch die in
gezeigte Drahtbremsvorrichtung,Figur 1 Figur 3- - zeigt eine Ansicht auf die Stirnseite der in
gezeigten Drahtbremsvorrichtung,Figur 1 - Figur 4
- - zeigt eine perspektivische Ansicht einer erfindungsgemäßen Drahtbremsvorrichtung nach einer zweiten Ausführungsform,
Figur 5- - zeigt eine Ansicht auf die Stirnseite der in
Figur 4 gezeigten Drahtbremsvorrichtung, Figur 6- - zeigt eine Seitenansicht der in
Figur 4 gezeigten Drahtbremsvorrichtung, Figur 7- - zeigt eine Längsschnittansicht durch die in
Figur 4 gezeigte Drahtbremsvorrichtung, Figur 8- - zeigt eine Ausschnittvergrößerung des Ausschnitts
X von Figur 7 , Figur 9- - zeigt eine perspektivische Ansicht einer erfindungsgemäßen Drahtbremsvorrichtung nach einer dritten Ausführungsform,
Figur 10- - zeigt eine Seitenansicht der in
Fig.9 gezeigten Drahtbremsvorrichtung, - Figur 11
- - zeigt eine Längsschnittansicht durch die in
gezeigte Drahtbremsvorrichtung,Figur 9 Figur 12- - zeigt eine Querschnittansicht durch die in
gezeigte Drahtbremsvorrichtung,Figur 9 - Figur 13
- - zeigt eine Ausschnittvergrößerung des Ausschnitts
D von Figur 12 .
- FIG. 1
- FIG. 2 shows a perspective view of a wire brake device according to the invention according to a first embodiment, FIG.
- FIG. 2
- shows a longitudinal sectional view through the in
FIG. 1 shown wire brake device, - FIG. 3
- - shows a view on the front of the in
FIG. 1 shown wire brake device, - FIG. 4
- FIG. 2 shows a perspective view of a wire brake device according to the invention according to a second embodiment, FIG.
- FIG. 5
- - shows a view on the front of the in
FIG. 4 shown wire brake device, - FIG. 6
- - shows a side view of in
FIG. 4 shown wire brake device, - FIG. 7
- shows a longitudinal sectional view through the in
FIG. 4 shown wire brake device, - FIG. 8
- - shows a section enlargement of the section X of
FIG. 7 . - FIG. 9
- FIG. 3 shows a perspective view of a wire brake device according to the invention according to a third embodiment, FIG.
- FIG. 10
- - shows a side view of in
Figure 9 shown wire brake device, - FIG. 11
- shows a longitudinal sectional view through the in
FIG. 9 shown wire brake device, - FIG. 12
- shows a cross-sectional view through the in
FIG. 9 shown wire brake device, - FIG. 13
- shows a detail enlargement of the section D of
FIG. 12 ,
Die in den
Wie man insbesondere der
Die jeweiligen Wellen 51, 52, 53 sind zumindest zum Teil als Hohlwellen ausgebildet und somit ineinander verschachtelt und innerhalb einer Antriebswelle 8 angeordnet, welche alle bevorzugt in einem Gehäuse 10 untergebracht sind. So wird die Bremsrolle 23 von der äußersten Welle 53 gebremst, indem eine axiale Bewegung den an der Welle 53 vorhandenen Bremsabschnitt 113a, der Teil eines mit der Welle 53 gekoppelten Bremsmittel 113, was hier als Bremsstempel ausgeführt ist, gegen einen entsprechenden Reibabschnitt 93 drückt, der mit der Bremsrolle 23 gekoppelt ist. Die Welle 52 ist innerhalb der Welle 53 koaxial zu dieser angeordnet, wobei über die Welle 52 die Bremsrolle 22 gebremst werden kann, indem eine axiale Bewegung den an der Welle 52 vorhandenen Bremsabschnitt 112a, der Teil eines mit der Welle 52 gekoppelten Bremsstempels 112 ist, gegen einen entsprechenden Reibabschnitt 92 drückt, der mit der Bremsrolle 22 gekoppelt ist. Ebenso ist in der Welle 52 die innere Welle 51 koaxial zu dieser angeordnet, wobei die Welle 51 entsprechend die Bremsrolle 21 bremst, indem eine axiale Bewegung den an der Welle 51 vorhandenen Bremsabschnitt 111a, der Teil eines mit der Welle 51 gekoppelten Bremsstempels 111 ist, gegen einen entsprechenden Reibabschnitt 91 drückt, der mit der Bremsrolle 21 gekoppelt ist.The
Mit der geschilderten Anordnung lässt sich abhängig vom Drahtzug jedes einzelnen Drahtes des Drahtbündels eine individuelle Bremsung des Drahtes vollziehen. Die Anordnung ist bauraumsparend, da die Stellglieder, die vorzugsweise als pneumatische Zylinder ausgebildet sind und über ein Proportionalventil angesteuert werden, ineinander verschachtelt über ein Hohlwellen-Prinzip angeordnet sind. Die Welle 8 ist mit einem Drehantrieb gekoppelt. Bei Eintritt der Bremswirkung kann die Welle 8 zusammen mit den daran durch die Bremswirkung fixierten Rollen zum Beispiel durch den Drehantrieb entgegen der Drahtlaufrichtung bewegt werden.With the described arrangement can be carried out depending on the wire of each wire of the wire bundle individual braking of the wire. The arrangement is space-saving, since the actuators, which are preferably designed as pneumatic cylinders and are controlled via a proportional valve, interleaved are arranged over a hollow shaft principle. The
Die zweite Ausführungsform der vorliegenden Erfindung wird nachfolgend mit Bezug auf die
Anders als im vorher erwähnten Beispiel werden alle Bremsrollen 2 der Drahtbremsvorrichtung 1 über einen einziges Stellmittel gebremst. In den
In
Die dritte Ausführungsform der vorliegenden Erfindung wird nachfolgend mit Bezug auf die
Diese Ausführungsform der Drahtbremsvorrichtung 1 weist einen Antriebsmotor 5 auf, der über einen Riemen 80 die Antriebswelle 120 antreibt. Die zumindest teilweise als Hohlwelle 121, 124 ausgelegte Antriebswelle 120 ist an den beiden Enden, wie die
Über den Pneumatiklageranschluss 60 wird der Hohlraum 121 mit einem Fluidmittel versorgt. Der Hohlraum 121 steht über die Radialverbindungen 123 mit den Luftlagerabschnitten 122 in Kontakt. Wie in der
Am anderen Ende der Antriebswelle 120 steht, wie die
Mit der zweiten bzw. dritten Ausführungsform kann besonders kostengünstig eine Mehrfachdrahtbremsvorrichtung geschaffen werden, die dazu noch einen geringen Bauraum aufweist, da lediglich ein Antriebsmotor erforderlich ist.With the second or third embodiment, a multi-wire brake device can be created particularly cost-effective, which also has a small space, since only one drive motor is required.
Claims (14)
- Wire braking device (1) with a plurality of coaxially arranged braking rollers (21, 22, 23; 21, ..., 2n) which are each designed to brake a single wire (6) of a wire bundle, and a corresponding plurality of contact pressure rollers (31, 32, 33; 31, ..., 3n) which are designed to press a wire (6) guided over the braking rollers (21, 22, 23; 21, ..., 2n) against the braking rollers ((21, 22, 23; 21, ..., 2n),
characterised in that
each individual braking roller (21, 22, 23; 21, ..., 2n) is assigned at least one braking means (111, 112, 113, ... 11n) which interacts with the braking roller (21, 22, 23; 21, ..., 2n), is to be actuated via at least one axially displaceable control element and which is to be brought by axial displacement into engagement with each respective braking roller (21, 22, 23; 21, ..., 2n), or the braking rollers (21, 22, 23; 21, ..., 2n) are assigned at least one braking means (140) which interacts with one or more of the braking rollers (21, 22, 23; 21, ..., 2n), is radially displaceable and is to be brought into engagement by radial displacement with one or a plurality of the braking rollers (21, 22, 23; 21, ..., 2n). - Wire braking device (1) according to claim 1,
characterised in that
it further comprises a drive, in particular a servomotor (5), which is coupled to the braking means (111, 112, 113) via at least one shaft (51, 52, 53; 8, 120) in such a way that during activation of the brake, in particular activation of the at least one control element, a frictional contact is produced between the braking roller (21, 22, 23; 21, ..., 2n) and braking means and thus rotation of the braking roller is possible counter to the wire supply direction through the drive (5). - Wire braking device (1) according to claim 1 or 2,
characterised in that
each braking roller (21, 22, 23) is assigned just one drive shaft (51, 52, 53). - Wire braking device (1) according to claim 3,
characterised in that
the drive shafts (51, 52, 53) are designed at least in part as hollow shafts. - Wire braking device (1) according to claim 1 or 2
characterised in that
a single control means is provided, wherein further each braking roller (21, ..., 2n) has a friction section (91, ..., 9n), wherein each friction section (91, ..., 9n) is assigned a braking means connected to a single drive shaft (8), which through actuation of the control means interact in friction connection with the respective associated friction sections (91, ..., 9n) of the respective braking rollers (21, ..., 2n). - Wire braking device (1) according to claim 5,
characterised in that
the braking means (111, ..., 11n) are connected secured against rotation to the drive shaft (8). - Wire braking device (1) according to claim 6,
characterised in that
the braking means (11, ..., 11n) are mounted axially displaceable on the drive shaft (8). - Wire braking device (1) according to one of claims 5 to 7
characterised in that
the drive shaft (8) is configured as a splined shaft. - Wire braking device (1) according to any of the preceding claims,
characterised in that
the friction sections (91, ..., 9n) and the respective braking means (111, ..., 11n) have sanded friction surfaces facing one another in the engagement direction. - Wire braking device (1) according to one of the preceding claims,
characterised in that
the braking means (140) are actuated pneumatically. - Wire braking device (1) according to one of claims 2 to 10
characterised in that
the drive shaft (120) is provided with a pneumatic braking connection (70) which has a fluid connection to a flexible, in particular tubular, hollow chamber element (126), wherein the flexible hollow chamber (126) when filled with fluid becomes deformable so that it charges the braking means (140) radially outwards with a braking force. - Wire braking device (1) according to one of claims 2 to 11,
characterised in that
the drive shaft (120) is provided with a pneumatic bearing connection (70) which is in fluid connection with pneumatic bearing sections (122) which are provided on the drive shaft and through which the braking rollers (21, ..., 2n) are mounted on the drive shaft (120). - Wire braking device (1) according to one of the preceding claims
characterised in that
the contact pressure rollers (31, 32, 33; 31, ..., 3n) can be adjusted in respect of their contact pressure force against the braking rollers (21, 22, 23; 21, ..., 2n). - Winding device, comprising a wire bundle of a plurality of individual non-twisted wires (6), a supply device which supplies a plurality of wires (6) to a wire braking device (1)
characterised in that
the supply device supplies the wires (6) of the wire bundle separately and each one wire just to one braking roller (21, 22, 23; 21, ..., 2n) of the wire braking device (1), wherein the wire braking device (1) is designed according to one of the preceding claims.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201730121T SI3456671T1 (en) | 2017-09-15 | 2017-09-15 | Wire braking device |
ES17191323T ES2754619T3 (en) | 2017-09-15 | 2017-09-15 | Cable braking device |
EP17191323.9A EP3456671B1 (en) | 2017-09-15 | 2017-09-15 | Wire braking device |
PL17191323T PL3456671T3 (en) | 2017-09-15 | 2017-09-15 | Wire braking device |
HUE17191323A HUE046035T2 (en) | 2017-09-15 | 2017-09-15 | Wire braking device |
PCT/EP2018/074482 WO2019053011A1 (en) | 2017-09-15 | 2018-09-11 | Wire braking device |
HRP20191750TT HRP20191750T1 (en) | 2017-09-15 | 2019-09-27 | Wire braking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17191323.9A EP3456671B1 (en) | 2017-09-15 | 2017-09-15 | Wire braking device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3456671A1 EP3456671A1 (en) | 2019-03-20 |
EP3456671B1 true EP3456671B1 (en) | 2019-08-07 |
Family
ID=59895167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17191323.9A Active EP3456671B1 (en) | 2017-09-15 | 2017-09-15 | Wire braking device |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3456671B1 (en) |
ES (1) | ES2754619T3 (en) |
HR (1) | HRP20191750T1 (en) |
HU (1) | HUE046035T2 (en) |
PL (1) | PL3456671T3 (en) |
SI (1) | SI3456671T1 (en) |
WO (1) | WO2019053011A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110931251A (en) * | 2019-12-11 | 2020-03-27 | 海盐凌飞电器有限公司 | Brake mechanism of wire storage ring in annular winding machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2159635A (en) * | 1937-06-23 | 1939-05-23 | Percival K Ranney | Coil winding apparatus |
US2624527A (en) * | 1950-06-22 | 1953-01-06 | Kohorn Ralph S Von | Thread tensioning device |
GB770037A (en) * | 1954-02-13 | 1957-03-13 | Dunlop Rubber Co | Apparatus for tensioning filamentary material |
JPS60132878A (en) * | 1983-12-19 | 1985-07-15 | Sumitomo Special Metals Co Ltd | Roller giving tensile force for reeling many threads |
CH663012A5 (en) * | 1984-02-01 | 1987-11-13 | Vr Antriebstechnik Ag | Thread tensioner for embroidery machine and stitching machine |
US8936153B1 (en) * | 2011-05-04 | 2015-01-20 | Southwire Company, Llc | Multiple conductor container |
-
2017
- 2017-09-15 ES ES17191323T patent/ES2754619T3/en active Active
- 2017-09-15 EP EP17191323.9A patent/EP3456671B1/en active Active
- 2017-09-15 SI SI201730121T patent/SI3456671T1/en unknown
- 2017-09-15 PL PL17191323T patent/PL3456671T3/en unknown
- 2017-09-15 HU HUE17191323A patent/HUE046035T2/en unknown
-
2018
- 2018-09-11 WO PCT/EP2018/074482 patent/WO2019053011A1/en active Application Filing
-
2019
- 2019-09-27 HR HRP20191750TT patent/HRP20191750T1/en unknown
Non-Patent Citations (1)
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None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110931251A (en) * | 2019-12-11 | 2020-03-27 | 海盐凌飞电器有限公司 | Brake mechanism of wire storage ring in annular winding machine |
CN110931251B (en) * | 2019-12-11 | 2021-05-04 | 海盐凌飞电器有限公司 | Brake mechanism of wire storage ring in annular winding machine |
Also Published As
Publication number | Publication date |
---|---|
WO2019053011A1 (en) | 2019-03-21 |
PL3456671T3 (en) | 2020-03-31 |
EP3456671A1 (en) | 2019-03-20 |
HRP20191750T1 (en) | 2019-12-27 |
HUE046035T2 (en) | 2020-01-28 |
ES2754619T3 (en) | 2020-04-20 |
SI3456671T1 (en) | 2019-12-31 |
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