US3603355A - Method of and means for stacking looped wire - Google Patents

Method of and means for stacking looped wire Download PDF

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Publication number
US3603355A
US3603355A US866796A US3603355DA US3603355A US 3603355 A US3603355 A US 3603355A US 866796 A US866796 A US 866796A US 3603355D A US3603355D A US 3603355DA US 3603355 A US3603355 A US 3603355A
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US
United States
Prior art keywords
loops
platform
wire
centering device
frequency
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.)
Expired - Lifetime
Application number
US866796A
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English (en)
Inventor
Hans Geipel
Eckehard Forster
Wilfried Heinemann
Nikhil Roychoudhury
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.)
Huettenwerk Oberhausen AG
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Huettenwerk Oberhausen AG
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Publication date
Application filed by Huettenwerk Oberhausen AG filed Critical Huettenwerk Oberhausen AG
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • 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
    • B21C47/02—Winding-up or coiling
    • B21C47/10—Winding-up or coiling by means of a moving guide
    • B21C47/14—Winding-up or coiling by means of a moving guide by means of a rotating guide, e.g. laying the material around a stationary reel or drum
    • 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
    • B21C47/26—Special arrangements with regard to simultaneous or subsequent treatment of the material
    • B21C47/262—Treatment of a wire, while in the form of overlapping non-concentric rings

Definitions

  • Our present invention relates to a method of stacking a looped wire, eg a steel wire coming from an annealing, patenting, pickling or other treatment zone in which it has been placed on a conveyor in the form of spreadout loops, as well as to an apparatus for implementing the method.
  • a looped wire eg a steel wire coming from an annealing, patenting, pickling or other treatment zone in which it has been placed on a conveyor in the form of spreadout loops
  • the loops To facilitate the subsequent handling of the treated wire, it is necessary to reassemble the loops into a stack by substantially coaxially depositing them on a table or other supporting surface with the aid of a centering device, such as an upstanding mandrel or an upwardly open receptacle, rising from that surface.
  • the loops then become the turns of a continuous coil which, if desired, can be axially compacted in a press to reduce its height. Even so, however, the loops tend to remain superposed in a cylindrical array so as to occupy considerable space during storage and transportation.
  • the object of our invention is to provide a method of and means for tightly stacking a looped wire so that the resulting coil, even before compaction, is of reduced axial extension compared with coils produced by the conventional technique.
  • this object can be realized by designing the supporting surface for the centering device as a vibratile platform which, during successive deposition of the loops of a continuous wire, is oscillated with an amplitude having a horizontal component approximately equal to or greater than the thickness of the wire, the frequency of oscillation being on the order of the rate of deposition of the loops.
  • the centering mandrel or receptacle and the wire loops Given a loose fit between the centering mandrel or receptacle and the wire loops, the latter are mutually staggered by the vibrations so as to support one another only at isolated points rather than along their entire circumference.
  • a final compression step may then be used mainly for the purpose of further compacting the top layers of the coil.
  • the number of loops formed by the dispenser preceding the treatment zone is one the order of per second; this rate is typical for the usual wire-treating plants of the general type referred to so that the preferred vibrating frequency in a coil builder according to our invention is on the order of 10 c.p.s.
  • This oscillatory frequency will usually not correspond exactly to the rate of loop deposition so that the contact points between successive turns are dis tributed over the circumference of the coil in a more or less random fashion; the effect of compaction is thereby made substantially uniform over the entire coil periphery.
  • the operating frequency advantageously ranges between 5 and c.p.s. but may go as high as 30 c.p.s., a more rapid oscillation being usually unsatisfactory.
  • the rate of loop formation tends to decrease with heavier wires which, therefore, call of oscillating frequencies in the lower part of the range.
  • the horizontal component of the oscillation amplitude may range between about 2 and 10 mm.; the heaviest steel wire to be handled in this way may have a thickness of about 12 mm.
  • the vibrations imparted to the coil-building assembly have a vertical component in addition to the aforementioned horizontal component, the assembled loops are shaken apart LII so as to fall more readily into a relatively staggered position.
  • the vertical component may be of the same order of magnitude as the horizontal one but generally should be substantially larger than the latter.
  • FIG. 1 is a side elevational view of a coil-building assembly embodying the invention
  • FIG. 1A is an enlarged detail view of a portion of the assembly within circle A of FIG. 1, diagrammatically illustrating its oscillation;
  • FIG. 2 is a top plan view of the assembly of FIG. 1;
  • FIG. 3 is a sectional elevational view of part of a modified assembly according to out invention.
  • FIGS. 1 and 2 we have shown a vibratile platform 2 supported on legs 4 through the intermediary of resilient spacers 5 of the rubber-metal type.
  • a mandrel 3 rises midway from platform 2 to the level of an elevated transport surface represented by a set of rollers 8 along which a succession of wire loops 1 continuously arrive in the direction of arrow B.
  • the loops 1, whose inner diameter is slightly larger than the diameter of the mandrel 3, are part of an indefinite length of wire subjected to treatment at a zone not shown ahead of the rollers 8; these loops are delivered to the rollers by an endless conveyor belt 9 passing through that zone.
  • FIG. 3 we have shown a similar platform 20 supporting an outwardly open receptacle 3a in which the wire loops 1 are deposited, again with loose contact, substantially in the manner described above; the oscillatory motion of the platform 20 has been diagrammatically indicated by an arrow C.
  • the inner diameter of receptacle 3a somewhat exceeds the other loop diameter.
  • the wire had a thickness of 5 mm. and a loop diameter of about 1,100 mm.; the vibrations had a frequency of 16% c.p.s. and a horizontal amplitude of 8 mm.
  • the resulting coils had a height of 620-650 mm. compared with 750**800 mm. without vibration, corresponding to a specific axial length of LI mm./kg. Upon subsequent compaction, this axial length was further reduced to 0.7-0.8 mm./kg.
  • a method of stacking wire continuously arriving in the form of spreadout loops over an elevated transport surface comprising the steps of successively depositing said loops on a platform below said transport surface in generally coaxial relationship and loose contact with a centering device rising from said platform, and vibrating said platform and device at a frequency on the order of the rate of deposition of said loops and with an amplitude having a horizontal component at least equal to substantially the thickness of the wire to assemble said loops into a compact coil with mutually staggered turns.
  • a method as defined in claim 1 wherein the amplitude of vibration also has a vertical component of the same order 0 magnitude as said horizontal component.
  • An apparatus for stacking wire continuously arriving in the form of spreadout loops over an elevated transport surface comprising a vibratile platform at a level below said transport surface, means including a centering device rising from said platfonn for successively receiving said loops in coaxial relationship and loose contact with said device, and vibrating means coupled with said platform for oscillating same and said device at a frequency on the order of the rate of reception of said loops and with an amplitude having a horizontal component at least equal to substantially the thickness of the wire toassemble said loops into a compact coil with mutually staggered turns.
  • centering device is an upwardly open receptacle with an inner diameter larger than the outer diameter of said loops.
  • said vibrating means comprises a pair of synchronized eccentrically weighted rotating bodies joumaled on opposite sides of the axis of said centering device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
US866796A 1968-10-17 1969-10-13 Method of and means for stacking looped wire Expired - Lifetime US3603355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681803697 DE1803697A1 (de) 1968-10-17 1968-10-17 Verfahren und Vorrichtung zur Verringerung der Bundhoehe von Walzdrahtbunden

Publications (1)

Publication Number Publication Date
US3603355A true US3603355A (en) 1971-09-07

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ID=5710796

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US866796A Expired - Lifetime US3603355A (en) 1968-10-17 1969-10-13 Method of and means for stacking looped wire

Country Status (8)

Country Link
US (1) US3603355A (enExample)
AT (1) AT286213B (enExample)
BE (1) BE737411A (enExample)
DE (1) DE1803697A1 (enExample)
FR (1) FR2020876A1 (enExample)
GB (1) GB1211680A (enExample)
LU (1) LU59093A1 (enExample)
NL (1) NL6915724A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865153A (en) * 1973-12-03 1975-02-11 Morgan Construction Co Metal treatment apparatus for steel rod having an oscillating platform below the laying head
US4357965A (en) * 1979-04-13 1982-11-09 Nippon Steel Corporation Method and apparatus for gathering a ring shaped wire rod
US4914935A (en) * 1988-12-28 1990-04-10 Fryer Corporation Method and apparatus for laying coiled rod stock

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064049C3 (de) * 1970-12-28 1981-06-25 Fried. Krupp Gmbh, 4300 Essen Windungsförderer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103237A (en) * 1960-08-10 1963-09-10 Crum Eben Jefferson Wire handling apparatus
US3452785A (en) * 1965-12-07 1969-07-01 David William Mclean Apparatus for depositing and conveying rod rings in sequence with rod forming means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103237A (en) * 1960-08-10 1963-09-10 Crum Eben Jefferson Wire handling apparatus
US3452785A (en) * 1965-12-07 1969-07-01 David William Mclean Apparatus for depositing and conveying rod rings in sequence with rod forming means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865153A (en) * 1973-12-03 1975-02-11 Morgan Construction Co Metal treatment apparatus for steel rod having an oscillating platform below the laying head
US4357965A (en) * 1979-04-13 1982-11-09 Nippon Steel Corporation Method and apparatus for gathering a ring shaped wire rod
US4914935A (en) * 1988-12-28 1990-04-10 Fryer Corporation Method and apparatus for laying coiled rod stock

Also Published As

Publication number Publication date
DE1803697A1 (de) 1970-05-27
NL6915724A (enExample) 1970-04-21
BE737411A (enExample) 1970-01-16
LU59093A1 (enExample) 1969-11-21
AT286213B (de) 1970-11-25
FR2020876A1 (enExample) 1970-07-17
GB1211680A (en) 1970-11-11

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