EP2368649B1 - Verfahren zum Steuern des Antriebs einer Haspel - Google Patents

Verfahren zum Steuern des Antriebs einer Haspel Download PDF

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Publication number
EP2368649B1
EP2368649B1 EP11000165A EP11000165A EP2368649B1 EP 2368649 B1 EP2368649 B1 EP 2368649B1 EP 11000165 A EP11000165 A EP 11000165A EP 11000165 A EP11000165 A EP 11000165A EP 2368649 B1 EP2368649 B1 EP 2368649B1
Authority
EP
European Patent Office
Prior art keywords
wire
time profile
pay
speed
reel
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
EP11000165A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2368649A1 (de
Inventor
Stefan Fries
Werner Steinhilber
Helmut Lengerer
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
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Filing date
Publication date
Application filed by Wafios AG filed Critical Wafios AG
Publication of EP2368649A1 publication Critical patent/EP2368649A1/de
Application granted granted Critical
Publication of EP2368649B1 publication Critical patent/EP2368649B1/de
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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 OR PROFILES, 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 OR PROFILES, 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/30—Devices controlling the forwarding speed to synchronise with supply, treatment, or take-up apparatus
    • 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
    • B65H59/387—Regulating unwinding speed

Definitions

  • the invention relates to a method for controlling the drive of a reel, with a wire supply in the form of a coil deposited thereon, of which the wire with the interposition of a resiliently biased in a deflection direction, effective up to a maximum deflection tensioning device for approximately constant maintenance of the wire tension a feed device of the wire feed is fed to a downstream wire processing machine, wherein the speed profile of the feed rate of the wire feed is controlled according to a predetermined speed-time profile of a control of the wire processing machine.
  • Processing machines for processing coil material usually work together with reels on which a supply of coil material, such as a wire supply, is stored. Starting from this coil then z. B. wire fed to the reel downstream processing machine.
  • the reel is usually driven at a constant speed, wherein the speed of the reel determines how much wire is unwound from the coil and fed to the downstream processing machine.
  • the reel speed via a mounted on the reel, resiliently biased in a deflection, effective up to a maximum deflection tensioning device, such as a Auslenkarm, to the decreasing diameter of the coil to be processed or even when a larger or smaller than the desired wire tension respectively be adapted by z. B.
  • a method for controlling the drive of a reel of the aforementioned type is in the DE 34 22 499 A1 described.
  • an attached to the feed rollers of the downstream processing machine signal generator is used to control the speed of the reel.
  • this again has the disadvantage that the reel rotation is always as a reaction to the retraction movement, which does not allow a sufficiently rapid and good adjustment of the motion profile of the reel rotation of the machine feeder in highly dynamic machines.
  • the invention therefore proposes a method for controlling the drive of a reel, in which these disadvantages are largely avoided.
  • this is achieved by a method of the type mentioned, in which the speed curve of the reel is controlled according to a predetermined speed-time profile of a drive control of the reel, the drive control of the reel, the speed-time profile of the reel against the speed -Time profile of the feed speed offset by a predetermined period forward.
  • the reel rotation is thus no longer, as in the known prior art, controlled in response to the conditions of the feed device of the wire feeder of the downstream wire processing machine, which leads to the occurrence of unwanted pressure peaks, especially in the start-up phase of reel and wire processing machine the control of the reel on the wire needs of the feed device of the wire feed is set.
  • a method is adapted to the speed-time profile of the wire feed, and in particular takes into account the sequential feed lengths of the part to be manufactured and the sequential accelerations of the machine tool and used to control the reel speed.
  • the speed-time profile for the reel control is predetermined from the beginning, so that there is no more control in response to a previous behavior of the retraction movement of the wire entry.
  • a particularly smooth bobbin barrel are achieved even with rapid changes in the intake behavior of the wire intake and virtually no unnecessary accelerations and a consistent machining quality.
  • a relatively constant tensile load in the wire can be maintained and it can be achieved overall higher processing speeds than in known arrangement.
  • a very easy arrival and departure of the wire processing machine is possible. Overall, a greater reliability can be achieved and produce different parts in successive order without reel conversion.
  • the speed-time profile of the reel is created from the speed-time profile of the feed rate by a corresponding speed of the reel is determined at each feed rate of the speed-time profile, in which the wire delivery speed of the reel is equal to the feed rate of the wire feed.
  • the predetermined time period by which the speed-time profile of the reel with respect to the speed-time profile of the feed speed offset offset is started determined so that in their course corresponding to the speed-time Profile of the reel of this supplied Drahtabgabein is smaller than the wire length, which can compensate for the tensioning device at maximum deflection, so that even in the initial phase including the start of the feed device of the wire feed still the possibility to compensate for any voltage fluctuations in the wire is ensured.
  • predetermined values for maximum acceleration and for maximum braking of the reel are taken into account in determining the speed-time profile of the reel by in the case of acceleration and braking in the speed-time profile of the wire retraction , which would respectively result in greater than the predetermined values for maximum acceleration and maximum deceleration in the speed-time profile of the reel, replaced in the latter by using the predetermined values for maximum acceleration and deceleration and respectively extended in time so that corresponds to the associated acceleration or braking phase corresponding wire insertion length of the wire entry of the released in the same period of wire discharge length of the reel.
  • a likewise preferred embodiment of the invention is also that in the speed-time profile of the feed speed present discontinuous speed changes in the determination of the speed-time profile for the reel are represented by continuous profile transitions, such as in the graph of the speed-time profile rounded trained transitions. This allows you to work with very low voltage fluctuations in the wire.
  • particularly preferred embodiment of the invention is in a running production of identical workpieces on the wire processing machine derived from the speed-time profile of the feed rate for the duration of processing each workpiece speed-time profile of the reel by a periodically changing Replaced speed-time profile, which within the period of the duration of machining a workpiece, a same Drahtabgabein as the first derived speed-time profile and its graph passes through a full oscillation period or an integral multiple of such.
  • the speed-time profile of the reel uniformly oscillations shows, this can be a particularly simple control of such a reel drive and overall achieve a particularly high processing speed.
  • a wire bending machine 1 is shown schematically in plan view, which consists of a processing machine 2 (here: a wire bending machine) and a reel 3.
  • the processing machine 2 includes a feed or retraction device 4, z. B. a roll feed, which deducts the wire 5 from the reel 3 and a processing area 6, in the drawing a bending head 7, the processing machine 2 supplies.
  • the reel 3 is provided with a drive (not shown) which comprises a collar receptacle 8 and rotates it and the lying on it wire coil 9 about the axis of rotation A , so that the coil material unrolls.
  • a drive (not shown) which comprises a collar receptacle 8 and rotates it and the lying on it wire coil 9 about the axis of rotation A , so that the coil material unrolls.
  • a boom 10 is further attached, which carries a pivot arm 11, which in turn is pivotable about the axis B and is controlled by a control unit 12 so that a constant tensile force on the wire 5 between the feeder 4 and the reel. 3 prevails.
  • a control unit 12 controls a control unit 12 so that a constant tensile force on the wire 5 between the feeder 4 and the reel. 3 prevails.
  • the speed of the reel 3 can be changed.
  • the aim is to achieve as continuously as possible a middle position of the Auslenkarmes 11.
  • the reel 3 is driven with a specific, suitable for the machining task speed.
  • the feeder 4 of the processing machine 2 (bending machine) is activated by a control of the processing machine 2 and pushes the wire 5 into the processing area 6 of the processing machine 2 until a first bending point is reached.
  • the feeder 4 is then stopped and by the operation of the bending tool (bending head 7), a first bend on the wire 5 is made.
  • the feeder 4 is reactivated and retracted another piece of wire 5.
  • the draw length depends on what distance is needed between the first and second bends of the workpiece to be machined.
  • the feeder 4 is then stopped again, after which still a twisting of the wire 5 can be done by the feeder 4 is rotated about the wire axis. Subsequently, a further bend of the workpiece to be machined is produced.
  • the time-dependent motion profile (acceleration, deceleration, stop, constant speed, etc.) of the feed rate of the intake 4 is composed.
  • This movement profile is individual depending on the machining task and can look quite different for different machine tools (such as bending, leg spring, compression spring, straightening, nail, pipe bending machines, etc.).
  • the feeder 4 must meet different requirements on different machines:
  • the deformation of the wire 5 can be achieved by the feed force of the feeder 4, z.
  • the feed force of the feeder 4 As in the manufacture of helical turns of the wire 5 is continuously pushed by the feeder 4 against a winch plate, a wind roll or other tools and thereby formed.
  • Fig. 2 is shown in solid lines the diagram of the speed-time profile of the intake 4 and (dashed) that of the speed-time profile of the reel 3 for the production of a bent part, as it is valid for a compression spring machine.
  • the illustration shows a cycle for the production of two springs.
  • the feed device or the feeder 4 is active: The feeder 4 is first accelerated until the time t 1 , then holds its speed until the time t 2 , and is thereafter decelerated until the time t 3 , the wire 5 here only forward is promoted.
  • a region d is provided at a slower feed rate, within which z. B. a measurement of the workpiece or the start of an end stop.
  • time t 4 the first cycle is completed.
  • Fig. 2 is, in dashed lines, and the speed-time profile of the intake 4 (solid lines) determined and derived speed-time profile of the reel 3 shown. It has been determined that at each time t i from the corresponding value of the feed rate v i , the speed-time profile of the feeder 4, the corresponding speed n i of the reel 3 is determined at the wire discharge speed of the reel 3 equal to the feed rate v i of the wire entry 4.
  • the reel 3 releases at each time point t i of this profile course wire at a release speed, which corresponds exactly to the speed v i , at which time the feeder 4 wire absorbs. Or in other words, is as fed on the feeder 4 from the reel 3 just as much wire 5 is seen over the entire course of a time for making a spring dispensed.
  • the time span dt is chosen so that the output within this time of the reel 3 wire length can be compensated by the Auslenkarm 11 without this must be pivoted to its maximum extended position.
  • Fig. 4 shows again the presentation Fig. 2 , in which, however, now for determining the (continuous) speed-time profile of the intake 4 derived speed-time profile of the reel 3 nor specifications for a maximum allowable acceleration or deceleration of Reel speed n are taken into account in the event that the corresponding Fig. 2 determined (dashed) curve for the reel 3 in acceleration or braking sections too large and by the drive control of the reel 3 unrealizable accelerations or delays would include.
  • Fig. 4 In the presentation of Fig. 4 is now assumed that from the acceleration between the zero point and the time t 1 (initial acceleration of the feed rollers) and when braking between t 2 and t 3, the corresponding Fig. 2 determined and also in Fig. 4 dashed curves would lead to excessive acceleration values or deceleration values on the reel 3.
  • maximum values for acceleration and deceleration of the reel 3 are predetermined for determining the speed-time profile, namely as the maximum acceleration value be max and as the maximum deceleration value br max , which must not be exceeded in the determination of the speed-time profile ,
  • Fig. 4 recognizably increases in the initial acceleration range, the dot-dashed curve due to the restriction to be max less steeply than the dashed curve, but it continues for a period dt 1 over the time t 1 to a time t 1 'and therefore ends at a higher final speed.
  • the extension of the acceleration phase of the dash-dotted curve with respect to the two dashed and solid curves is chosen so that the amount of wire delivered by the reel 3 during this acceleration phase is in total as large as the amount of wire corresponding to the broken line in FIG Fig. 2 would be delivered by the time t 1 .
  • Fig. 5 now shows in a basically the representation Fig. 3 corresponding representation of the speed-time profile of the feeder 4 and the speed-time profile of the reel 3, but here the latter one compared to the graph of the speed-time profile of the FIGS. 2 to 4 changed graph has:
  • Fig. 5 in turn dashed line graph of the speed-time profile of the reel 3 is provided in particular for cases in which a plurality of workpieces are continuously produced in series, wherein in Fig. 5 only two periods for the production of two such workpieces are shown in succession.
  • the speed-time profile of the reel 3 is here in the form of a periodically changing profile profile, within the period a 'of the duration of machining a workpiece a same Drahtabgabeplin as the first (namely in Fig. 2 ) derived speed-time profile in the period a and whose graph is going through a complete oscillation period P (or an integer multiple of such).
  • this means that the dashed in Fig. 5 drawn speed-time profile of the reel 3 is determined in the form of a periodic course, which is chosen so that the case within a period of oscillation P delivered by the reel 3 wire length is as large as the wire length, which within the processing time a '(for a workpiece) is pulled from the feeder 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Wire Processing (AREA)
  • Metal Extraction Processes (AREA)
EP11000165A 2010-03-22 2011-01-11 Verfahren zum Steuern des Antriebs einer Haspel Active EP2368649B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010012263A DE102010012263B3 (de) 2010-03-22 2010-03-22 Vorrichtung zum Steuern des Antriebs einer Haspel

Publications (2)

Publication Number Publication Date
EP2368649A1 EP2368649A1 (de) 2011-09-28
EP2368649B1 true EP2368649B1 (de) 2012-02-08

Family

ID=44202277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11000165A Active EP2368649B1 (de) 2010-03-22 2011-01-11 Verfahren zum Steuern des Antriebs einer Haspel

Country Status (6)

Country Link
US (1) US8382024B2 (zh)
EP (1) EP2368649B1 (zh)
CN (1) CN102233396B (zh)
AT (1) ATE544535T1 (zh)
DE (1) DE102010012263B3 (zh)
TW (1) TWI466737B (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8387983B2 (en) 2007-11-27 2013-03-05 Angel Playing Cards Co., Ltd. Shuffled playing cards and manufacturing method thereof
US8919777B2 (en) * 2007-11-27 2014-12-30 Angel Playing Cards Co., Ltd. Shuffled playing cards and manufacturing method thereof
US9079745B2 (en) 2011-03-01 2015-07-14 Southwire Company, Llc Pay-off assembly
NO340587B1 (no) * 2011-12-23 2017-05-15 C6 Tech As Fleksibel ledeanordning for brønnintervensjon
CN102941242B (zh) * 2012-11-28 2014-10-22 北京金自天正智能控制股份有限公司 大盘卷卷取机设备的全自动控制方法
US9758340B1 (en) 2013-10-08 2017-09-12 Southwire Company, Llc Capstan and system of capstans for use in spooling multiple conductors onto a single reel
US10207890B2 (en) * 2017-05-19 2019-02-19 Reelex Packaging Solutions, Inc. Apparatus and method for winding coil
JP6824916B2 (ja) * 2018-01-31 2021-02-03 株式会社ソディック ワイヤ放電加工装置
DE102019206556A1 (de) * 2019-05-07 2020-11-12 Wafios Aktiengesellschaft Verfahren und Vorrichtung zum Zuführen eines langgestreckten Werkstücks zu einer Umformmaschine
EP3965972B1 (de) 2019-05-07 2023-08-16 WAFIOS Aktiengesellschaft Verfahren und vorrichtung zum zuführen eines langgestreckten werkstücks zu einer umformmaschine
KR102029182B1 (ko) * 2019-07-16 2019-10-08 대한전선 주식회사 케이블의 방향 전환이 가능한 케이블 포설 장치를 이용한 케이블 포설 방법
KR102032360B1 (ko) * 2019-07-16 2019-10-16 대한전선 주식회사 케이블의 방향 전환이 가능한 케이블 포설 장치
CN111675011A (zh) * 2020-06-24 2020-09-18 四川君河建设工程有限公司 一种电力施工用具有减震功能的电缆放线装置
DE102021203320A1 (de) 2021-03-31 2022-10-06 Wafios Aktiengesellschaft Verfahren und Vorrichtung zum Zuführen eines langgestreckten Werkstücks zu einer Umformmaschine
DE102021120371A1 (de) * 2021-08-05 2023-02-09 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit folientransporteinrichtung sowie verfahren
IT202100026525A1 (it) * 2021-10-15 2023-04-15 Fabbrica Elettromeccanica Ind Torinese Pompe S R L Avvolgicavo per applicazioni nautiche
CN115108401A (zh) * 2022-07-13 2022-09-27 西门子（中国）有限公司 收线长度的计量方法、变频器、收线控制方法及系统

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Publication number Priority date Publication date Assignee Title
US3137452A (en) * 1961-09-14 1964-06-16 Robert F Winders Mechanism for delivering wire from a coil thereof
US4241884A (en) * 1979-03-20 1980-12-30 George Lynch Powered device for controlling the rotation of a reel
DE3235217A1 (de) * 1982-09-23 1984-03-29 Ferdinand Dipl.-Ing. 4006 Erkrath Liekmeier Drahtabzugseinrichtung fuer intermittierenden betrieb und hohe ungleichfoermigkeitsgrade
DE3422499A1 (de) * 1984-06-16 1985-12-19 Sandvik GmbH, 4000 Düsseldorf Vorrichtung zum steuern eines drahtspeichers einer federn-windemaschine
US4899945A (en) * 1986-07-03 1990-02-13 Jones Johnnie L Automatic wire dispenser
DE19942121A1 (de) * 1999-09-03 2001-03-08 Iro Patent Ag Baar Verfahren zum Steuern eines Fadenverarbeitungssystems und Fadenverarbeitungssystem

Also Published As

Publication number Publication date
US8382024B2 (en) 2013-02-26
TW201134572A (en) 2011-10-16
ATE544535T1 (de) 2012-02-15
EP2368649A1 (de) 2011-09-28
CN102233396B (zh) 2014-03-12
US20110226885A1 (en) 2011-09-22
DE102010012263B3 (de) 2011-07-28
CN102233396A (zh) 2011-11-09
TWI466737B (zh) 2015-01-01

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