EP2624976B1 - Vorrichtung zur drahtzuführung an drahtverarbeitungsmaschinen - Google Patents

Vorrichtung zur drahtzuführung an drahtverarbeitungsmaschinen Download PDF

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Publication number
EP2624976B1
EP2624976B1 EP11754618.4A EP11754618A EP2624976B1 EP 2624976 B1 EP2624976 B1 EP 2624976B1 EP 11754618 A EP11754618 A EP 11754618A EP 2624976 B1 EP2624976 B1 EP 2624976B1
Authority
EP
European Patent Office
Prior art keywords
wire
storage means
spring
wire storage
guide path
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.)
Active
Application number
EP11754618.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2624976A1 (de
Inventor
Jürgen Wolf
Uwe-Peter Weigmann
Ralph Steinmaier
Stefan Jetter
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.)
Wafios AG
Original Assignee
Wafios AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wafios AG filed Critical Wafios AG
Priority to PL11754618T priority Critical patent/PL2624976T3/pl
Publication of EP2624976A1 publication Critical patent/EP2624976A1/de
Application granted granted Critical
Publication of EP2624976B1 publication Critical patent/EP2624976B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B21C47/18—Unwinding or uncoiling from reels or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C49/00—Devices for temporarily accumulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus

Definitions

  • the invention relates to a device for wire feed to wire processing machines, in which the wire from a wire coil receiving, rotatable about an axis reel and fed to the wire processing machine upstream wire feed is supplied, wherein at least one of the reel in the wire draw direction downstream deflection device is provided over the led withdrawn from the reel wire is guided and delivered to the wire entry, wherein the wire insertion upstream of a wire storage device is provided.
  • the intermittent feeders used in wire processing machines pull the wire off a wire coil deposited on a reel, working with great accelerations and braking. It is desired that the reel should run as quietly as possible, so that the wire is discharged continuously. For this purpose, there is usually a use of deflections and / or swivel arms, which should compensate for non-uniformities in the trigger, since the very large mass of the wire coil in turn can not be accelerated and braked very quickly.
  • the aforementioned assistance measures are often not sufficient to ensure the desired smooth running of the reel or to achieve as little as possible no movement of the swivel arm.
  • a device for wire feed to wire processing machines in which the wire coming from the reel is guided in a loop between this and the wire feed of the downstream wire processing machine, wherein the deflection of this loop is determined by a detection unit.
  • the reel in addition to the rotational movement for unwinding still perform a pivoting movement about the Drahtzu slaughtertechnisch whose amount and direction is determined by the detection unit. This allows a compensation of the twist of the wire, which is particularly important in the processing of spring-drawn wire grades.
  • a wire feeder in which a deflectable deflection roller is used, which is resiliently biased down and similar to a swing arm of a reel works.
  • the deflection of the deflection roller is detected and regulated according to the speed of the reel.
  • the EP 0 255 507 B1 known device for wire feeding of the type mentioned is also provided between a straightening rotor and a reel a spring-loaded, deflectable deflection roller.
  • the wire is guided in a freely circulating loop, the formation of which is monitored by means of switches.
  • the spring-loaded deflectable deflection roller is associated with a scanning device that shuts down the wire intake and the straightening rotor falls below a predetermined minimum length, while the loop associated switches in addition to the conveying speed of the wire entry and in the same direction with this influence the speed of the straightening rotor.
  • the object of the invention is to provide a further improvement with regard to an even smoother running of the reel.
  • the wire storage device defines a closed loop guide path on which the wire rests and is guided and whose diameter between a minimum, an inner radial position of the guideway corresponding, and a maximum an outer radial position of the guideway corresponding value is variable, wherein the guideway is spring-biased towards the receipt of the outer radial position.
  • an additional wire storage device is provided between the reel and the wire processing machine, which serves as a wire buffer, from which the retraction movement can be operated, which contributes to a quieter run of the reel and any swivel arm possibly associated.
  • the intermittent pull-off force acts first on this wire storage device, as a result of which in its radial position between an inner and an outer radial limit position changeable, but continuously resiliently biased towards the outer radial boundary layer towards guideway shocks from the feeder of the wire processing machine resiliently collected and can be largely compensated before they (if any) with a then, however, significant mitigation can affect the swivel arm of the reel to compensate there.
  • one of the wire deflection devices used is most preferably provided in the form of a swivel arm which is spring-biased in a swung-out direction and which is preferably associated with the reel.
  • the combination of such a pivot arm with the inventively used further wire storage complements such that a particularly smooth running of the reel can be achieved.
  • the wire storage device may be mounted in the device according to the invention at any suitable, the wire entry upstream point. However, it has proved to be particularly advantageous if the wire storage device is in turn directly connected directly to the swivel arm or the wire feed.
  • the wire storage device can be rotated about an axis of rotation which is perpendicular to the wire feed direction and is particularly preferably aligned perpendicular to the axis of the reel.
  • the wire storage device when the wire storage device is directly attached to the reel, it is preferable to align the axis of rotation of the wire storage device approximately parallel to the axis of the reel.
  • a particularly advantageous embodiment of the device according to the invention is achieved in that the wire storage device is designed as a spring wheel, whose guide path is determined by the radially outer ends of a plurality of attached thereto, radially aligned compression springs. This will ultimately be a straightforward structure achieved the wire storage device that is inexpensive to produce and of great effectiveness.
  • the spring wheel is designed so that it comprises two spaced-apart side parts whose distance from each other is smaller than the diameter of the radially aligned springs, each spring is mounted in two radially in both side parts, in their position corresponding recesses, whose width (seen in the circumferential direction of the spring wheel) is smaller than the diameter of the spring, which is why this protrudes on both sides over the side parts.
  • the wire storage device when the wire storage device is provided directly on a swivel arm associated with the reel, the wire is preferably deflected by approximately 180 ° on the guide track of the wire storage device.
  • the determination of the guideway in the wire storage device with elements other than compression springs can be achieved preferably by the use of radially aligned pressure elements in the form of fluidbeaufschlagten spring elements, most preferably the circumferential wire facing sides of the compression springs or the spring elements of the spring wheel with caps wear-resistant material or are provided with freely rotatable rollers.
  • the wire storage device in turn be mounted rotatably, but may equally be provided as a fixed, non-rotatable device, since the use of wear resistant caps or freely rotatable rollers on the wire facing sides of the compression springs or the spring elements of the spring wheel per se already a revolution of Wire along the guideway then formed by these caps or the rotatable rollers in a relative orbital motion to this easily possible.
  • Another, likewise advantageous embodiment of the invention consists in the fact that the guide track is formed in the wire storage device of a circulating layer consisting of an elastically compressible material, which is particularly preferably made of elastomeric material.
  • the wire storage device comprises a plurality of around a central support axis mounted around this arcuate radially outwardly extending, freely projecting, made of resilient material slats disposed between two side walls (but not attached to these) and define the free end portions of the guideway and each terminate in a curved in the direction of rotation of the wire end portion.
  • compression springs are designed in the form of running in cylinders piston, which determine the position of the guideway on the free ends of attached to them piston rods.
  • Each piston or piston crown and the associated cylinder bottom are formed from a magnetizable, preferably a permanent magnetic, material of the same polarization.
  • each lamella rests against its front side in the circumferential direction of the wire against an adjusting element, which is adjustable in its radial position and thus the length of the end portion of the respective lamella extending outwardly therefrom is adjustable.
  • This can be adjusted by appropriate adjustment of the actuating elements in a simple manner and without much design effort, the lever arm of the freely on the actuator protruding end portion of each blade and thus also effective on the guideway rigidity of the blade.
  • the slats can be made of any suitable and resilient elastic material. Most preferably, however, they are formed in the form of spring steel slats.
  • Fig. 1 is a schematic side view of a first preferred embodiment of a device according to the invention 1 shown for wire feed, as it can be used in a wire or a tube processing machine, which operates with a material from the coil 2, which rests on a rotatably driven reel 3 and from above Deflections 4 and a swing arm 5 is deducted.
  • a wire storage device in the form of a spring wheel 7 is arranged, which in turn has a horizontally and perpendicular to the feed direction x of the wire 8 axis of rotation 9.
  • Fig. 1 shows, the spring wheel 7 distributed over its circumference a plurality of radially arranged and radially acting spring elements 10, preferably in the form of coil springs. These spring elements 10 all have an identical shape.
  • the structure of the spring wheel 7 is shown in detail.
  • This has two circular side parts 13, which serve as lateral boundary plates for the wire 8 and a distance a (seen parallel to the position of the rotation axis 9) are removed from each other.
  • These side parts 13 are preferably made of soundproofing sheets (of vibration-damping composite material made of a viscoelastic plastic layer between two steel sheets, z. B. Bondalblech Thyssen Krupp steel), which is particularly favorable for large diameters.
  • both the width B of each recess 14 (seen in the circumferential direction of the spring wheel 7), and the distance a of the side parts 13 of the spring wheel 7 are each smaller than the diameter D of the spring elements designed as helical springs 10.
  • Fig. 1 shows further, the wire 8, in the wire draw-off direction x behind the pivot arm 5, once around 360 ° around the spring wheel 7 herum Credred and rests on the radially outer ends of the spring elements 10, which in the direction of rotation of the spring wheel 7 together a guideway 17th set (this guideway 17 is only in the FIGS. 5 and 6 shown, but lies in completely the same way in the training of Fig. 1 to 4 in front).
  • the feeder 6 of the downstream wire processing machine If the feeder 6 of the downstream wire processing machine is actuated and the wire 8 is retracted therefrom, it presses the spring elements 10 in the radial direction around the spring wheel 7 along the initially predetermined position of the guide track 17, thereby pulling on the spring wheel 7 around the guideway 17 formed wire loop. Thus, the feeder 6 thus “operated” from the stock stored in the spring wheel 7 of the wire. 8
  • a second embodiment of the device 1 in which here the wire storage device is arranged in the form of the spring wheel 7 directly as a deflection on the free end of the pivot arm 5.
  • the axis of rotation 9 of the spring wheel 7 is vertical and perpendicular to the wire 8 and parallel to the axis of rotation 22 of the reel 3.
  • the wire 8 does not rotate the spring wheel 7 along the entire extent of the guide track 17, but rotates only over about 180 ° ,
  • the spring elements 10 of the spring wheel 7 and the force acting on the wire 8 spring restoring force and the restoring force of the pivot arm 5 must be designed in the embodiments shown in the figures so that only at a relatively large compression travel of the spring elements 10, the pivotal movement of the pivot arm. 5 is initiated.
  • FIGS. 5 and 6 are, in principle, two other embodiments of a spring wheel 7 shown with other embodiments of the spring elements 10:
  • the spring wheel 7 has a central holding axis 15, from which spring steel lamellae 16 protrude in an arcuate and radially outward direction over the circumference thereof. These blades 16 are mounted between the side parts 13 of the spring wheel 7, but not on this, but only on the support shaft 15, attached.
  • FIG. 5 (as well as the Fig. 6 ) each show the spring wheel 7, in which the upper side portion 13 is removed to illustrate the position of the spring elements 10.
  • each lamella 16 extends up to their free projecting end, as is known Fig. 5 can be removed.
  • each lamella 16 is supported on its concavely curved side (which is the side which points in the direction of rotation y of the wire 8) on an actuating element 18 in the form of a support pin.
  • the adjusting elements 18 are (in Fig. 5 not shown) adjustable in its radial position, in such a way that they are all adjusted simultaneously radially and to the same extent.
  • the lamellae 16 are curved at their freely projecting end portions 19 in the direction of rotation y of the wire 8, so that the end portion 19 of each lamella 16 at an acute angle ⁇ enters the fixed from the free ends of the lamella 16 guide track 17. This applies to all possible diameters of the guideway 17.
  • elastic blades 16 is a running resilient bias of the fin end portions 19 in the direction of their initial position (in Fig. 5 : Solid form prior to the fins), ie to the formation of the guide track 17 having a maximum diameter d1.
  • the radial position of the guide track 17 thus varies, depending on the state of tension of the rotating wire, wherein the diameter of the guide track 17 between a maximum outer radial position (diameter d 1 ) and a minimum, inner radial position (diameter d 2 ) is variable, due to resilient bias of the slats 16 (or other spring elements 10) the guide rail 17 defining free ends the spring elements 10 are always biased in their maximum, the diameter d 1 of the guide track 17 corresponding outer radial position.
  • This is to be shortened here expressed by the formulation that the radial position of the guide track 17 is biased in its radially outermost position.
  • fluid-actuated spring elements 20 which are provided at their freely projecting ends with freely rotatable rollers 21. These rollers 21 are mounted on small piston rods 23 which run in radially aligned fluid operated pressure cylinders 24. Again, it is provided by an appropriate design that in the starting position (at maximum extended piston rods 23, see Fig. 6 ) of the piston rods 23 acting on the fluid pressure in the pressure cylinders 24 in all spring elements 20 is equal.
  • the guide track 17 is circumferentially fixed by the radially outermost points of the rollers 21.
  • the presentation of the Fig. 6 shows the radially outermost position of the guide track 17 corresponding to the diameter d 1 Fig. 5 ,
  • rollers 21 at the radially outermost ends of the spring elements could also be mounted (not shown in the figures) caps made of a wear-resistant material over which then the wire 8 runs.
  • the spring wheel 7 in turn must not necessarily be arranged rotatable, since the circulation of the wire 8 along the guide track 17 can then also readily be done when the spring elements do not rotate. Also, a rotatability of only the spring elements 16 and 20 within the spring wheel 7 between (fixed) side parts 13 represents an effective embodiment of this pressure storage device.
  • the spring wheel 7 can be arranged in principle non-rotatable and fixed because the spring elements 16 elastically yield in the direction y of the wire along the guide track 17 and thus a reduction of the diameter of the guide track 17 without rotation of the side parts 13 of the spring wheel 7 at resilient bias in the direction to the maximum diameter d 1 out is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Wire Processing (AREA)
  • Unwinding Of Filamentary Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Springs (AREA)
EP11754618.4A 2010-10-05 2011-09-05 Vorrichtung zur drahtzuführung an drahtverarbeitungsmaschinen Active EP2624976B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11754618T PL2624976T3 (pl) 2010-10-05 2011-09-05 Urządzenie do doprowadzania drutu do maszyn do obróbki drutu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010047531A DE102010047531B4 (de) 2010-10-05 2010-10-05 Vorrichtung zur Drahtzuführung an Drahtverarbeitungsmaschinen
PCT/EP2011/004466 WO2012045381A1 (de) 2010-10-05 2011-09-05 Vorrichtung zur drahtzuführung an drahtverarbeitungsmaschinen

Publications (2)

Publication Number Publication Date
EP2624976A1 EP2624976A1 (de) 2013-08-14
EP2624976B1 true EP2624976B1 (de) 2015-08-26

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ID=44584122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11754618.4A Active EP2624976B1 (de) 2010-10-05 2011-09-05 Vorrichtung zur drahtzuführung an drahtverarbeitungsmaschinen

Country Status (7)

Country Link
US (1) US9586249B2 (https=)
EP (1) EP2624976B1 (https=)
JP (1) JP5740000B2 (https=)
CN (1) CN103140302B (https=)
DE (1) DE102010047531B4 (https=)
PL (1) PL2624976T3 (https=)
WO (1) WO2012045381A1 (https=)

Cited By (3)

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WO2021099927A1 (de) 2019-11-18 2021-05-27 voestalpine Böhler Welding Group GmbH Vorrichtung zum entnehmen von draht von einem drahtpaket
CN114988205A (zh) * 2022-06-28 2022-09-02 铜陵精迅特种漆包线有限责任公司 一种漆包线线盘放线装置
DE102024101350B3 (de) * 2024-01-17 2025-04-24 Wafios Aktiengesellschaft Werkstückführung sowie Vorrichtung zum Zuführen eines langgestreckten Werkstücks zu einer Umformmaschine

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CN107159822B (zh) * 2017-05-23 2019-12-10 南京万和消防科技有限公司 一种细线伸拉机用铜线压头装置
CN109720929A (zh) * 2017-10-31 2019-05-07 中国二十冶集团有限公司 盘管减速敷设装置
DE102018121943A1 (de) * 2018-09-07 2020-03-12 Mkm Mansfelder Kupfer Und Messing Gmbh Vorrichtung zum Abspulen eines Drahtes eines Drahtwickels und zugehöriges Verfahren
EP3965972B1 (de) 2019-05-07 2023-08-16 WAFIOS Aktiengesellschaft Verfahren und vorrichtung zum zuführen eines langgestreckten werkstücks zu einer umformmaschine
DE102019206556A1 (de) * 2019-05-07 2020-11-12 Wafios Aktiengesellschaft Verfahren und Vorrichtung zum Zuführen eines langgestreckten Werkstücks zu einer Umformmaschine
EP3766814B1 (de) 2019-07-16 2024-09-04 Komax Holding Ag Kabelzuführungseinrichtung, kabelverarbeitungssystem und verfahren zum zuführen eines kabels zu einer kabelverarbeitungsmaschine
CN110467046A (zh) * 2019-09-09 2019-11-19 湖北金顿电气有限公司 一种简易四线电线放线架
CN110902468A (zh) * 2019-11-22 2020-03-24 白银有色长通电线电缆有限责任公司 一种钢丝放线装置
CN111776842B (zh) * 2020-07-23 2025-03-07 冯朝才 一种多功能电线放线设备
DE102022210133B3 (de) * 2022-09-26 2023-10-12 Wafios Aktiengesellschaft Vorrichtung zum Zuführen eines langgestreckten Werkstücks zu einer Umformmaschine, Nachrüstsatz und Umformanlage
CN115788145B (zh) * 2022-11-15 2024-07-02 贵州电网有限责任公司 一种拉线辅助工具
DE102023205897A1 (de) * 2023-06-23 2024-12-24 Zf Friedrichshafen Ag Vorrichtung und Verfahren zur Bereitstellung von Wickeldrähten für eine Wickeleinrichtung zur Herstellung von Wicklungen elektrischer Maschinen
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021099927A1 (de) 2019-11-18 2021-05-27 voestalpine Böhler Welding Group GmbH Vorrichtung zum entnehmen von draht von einem drahtpaket
CN114988205A (zh) * 2022-06-28 2022-09-02 铜陵精迅特种漆包线有限责任公司 一种漆包线线盘放线装置
CN114988205B (zh) * 2022-06-28 2024-04-16 铜陵精迅特种漆包线有限责任公司 一种漆包线线盘放线装置
DE102024101350B3 (de) * 2024-01-17 2025-04-24 Wafios Aktiengesellschaft Werkstückführung sowie Vorrichtung zum Zuführen eines langgestreckten Werkstücks zu einer Umformmaschine

Also Published As

Publication number Publication date
DE102010047531B4 (de) 2012-07-05
EP2624976A1 (de) 2013-08-14
CN103140302B (zh) 2015-11-25
CN103140302A (zh) 2013-06-05
US20130270385A1 (en) 2013-10-17
PL2624976T3 (pl) 2016-02-29
JP5740000B2 (ja) 2015-06-24
WO2012045381A1 (de) 2012-04-12
DE102010047531A1 (de) 2012-04-05
US9586249B2 (en) 2017-03-07
JP2013544650A (ja) 2013-12-19

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