US3633492A - Coil compacting and strapping apparatus - Google Patents

Coil compacting and strapping apparatus Download PDF

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Publication number
US3633492A
US3633492A US16876A US3633492DA US3633492A US 3633492 A US3633492 A US 3633492A US 16876 A US16876 A US 16876A US 3633492D A US3633492D A US 3633492DA US 3633492 A US3633492 A US 3633492A
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United States
Prior art keywords
coil
compacting
elements
hook
strapping
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Expired - Lifetime
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US16876A
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English (en)
Inventor
Martin Gilvar
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.)
Siemens Industry Inc
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Morgan Construction Co
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Publication date
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/06—Bundling coils of wire or like annular objects
    • 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
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer

Definitions

  • SHEET 1 [IF 5 INVESTOR MART/N G/LVAR cmfw 1 W i 2% ATTORNEYS PATENTEU JAN] 1 B72 SHEET 2 OF 5 i, l lu a I: a
  • the hook conveyor usually includes a plurality depending hooks driven along a given path by an overhead chain conveyor system. Under certain operating conditions, the coils may remain on the hook conveyor in a relatively loose condition free from axial restraint for an extended period of time, thus allowing the coiled product to cool down from the higher temperatures maintained during rolling. At other times, the hook conveyor may be employed merely as a convenient means for moving coils from one location to another.
  • a more specific object of the present invention is to carry out the compacting and strapping operation while the conveyor hook remains axially inserted through the coil and without shifting the center of gravity of the coil in relation to the hook. This is accomplished by lowering the hook to initially position the coil between oppositely disposed compacting elements, and thereafter symmetrically advancing both elements to axially compact the coil therebetween. A strapping operation is then performed, preferably simultaneously, at a plurality of circumferentially spaced locations, while the coil remains compacted between the compacting elements. Once this has been accomplished, the strapping machines and compacting elements are withdrawn and the conveyor hook is again employed to pick up and carry the compacted and strapped coil to another location further along the path defined by the hook conveyor.
  • a number of advantages result from employing this type of apparatus and mode of operation. For example, extra unloading and loading operations are avoided by allowing the coiled product to remain on the hook conveyor throughout the compacting and strapping operation. By symmetrically advancing the compacting elements towards the center of the path, the coil is axially compacted from either end without shifting its center of gravity in relation to the conveyor hook. Accordingly, when the coil is subsequently picked up and carried further along the path, the attitude of the hook from which the coil is again suspended will not be changed. This result, which facilitates the location and arrangement of downstream unloading equipment, is achieved regardless of the size or weight of the coil being handled.
  • FIG. 1 is a plan view, with parts broken away, of an arrangement embodying the concepts of the present invention, with a loaded conveyor hook approaching a point overlying the compacting and strapping apparatus;
  • FIG. 2 is a view in side elevation of the apparatus shown in FIG. 1 with the loaded hook positioned directly over the space between the compacting elements;
  • FIG. 3 is a sectional view on an enlarged scale taken along lines 3-3 of FIG. 2;
  • FIGS. 4-7 are schematic illustrations depicting the operational sequence of the apparatus shown in the previous drawings.
  • FIGS. 1-3 there is shown a compacting and strapping apparatus generally indicated at 10 extending in a generally transverse direction across the path P" of an overlying hook conveyor 12.
  • the hook conveyor is of a known type, and includes a track 14 on which is movably mounted a plurality of carriages 16 (only one being shown in the drawings). Each carriage has a depending conveyor hook l8 pivotally attached thereto as at 23.
  • the carriages 16 are driven along track 14 by means of an overhead chain drive 22.
  • the chain drive has depending connectors 24 which may be selectively connected and disconnected to the underlying carriages 16.
  • This arrangement enables a carriage 16 to be moved along track 14 by chain drive 22 to a desired location, for example to a point overlying the compacting and strapping apparatus 10 as shown in FIGS. 2 and 3. The carriage may then be stopped at this location by simply disconnecting it from the overhead chain drive.
  • the conveyor hooks each have a lower longitudinal extension 19 which is adapted to extend axially through a coil C. With the coil thus suspended on the hook 18, the path P" of the hook conveyor extends in a transverse direction relative to the axis of the coil. However, it will of course be understood that if desired, the compacting and strapping apparatus 10 and the lower longitudinal extension 19 of each conveyor hook might be arranged in line with the hook conveyor path P.”
  • a section 14a of the track 14 overlying the compacting and strapping apparatus 10 is supported by means of large horseshoe-shaped members 26.
  • the members 26 are operatively connected to a suitable hoisting means (not shown), thereby enabling the track section 14a to be vertically displaced between a raised position at the level of the remaining track length 14 (shown in FIG. 2) and a lowered position (shown in FIG. 4).
  • the compacting and strapping mechanism 10 is comprised basically of a pair of compacting elements 34a and 34b located below and on either side of the path P" traveled by the conveyor hooks 18. As is best shown in FIG. 3, eachcompacting element is provided with laterally disposed wheels 36 which run along spaced parallel rails or tracks 38. The compacting elements are symmetrically driven along rails 38 in relation to the path P of hook conveyor by means of heavy duty double-acting hydraulic cylinders 40. Although a single heavy duty cylinder 40 has been employed to drive each compacting element in the embodiment shown in the drawing, it will be evident that alternatively, a-plurality of smaller sized cylinders might be employed to accomplish the same purpose.
  • a plurality of strapping machines 42a, 42b and 420 are employed to simultaneously apply threeretaining straps to the coils being compacted to the apparatus.
  • Strapping machine 42a is located on one side of path P adjacent compacting element 34a and is movably mounted on a rail assembly 44 by means of wheels 46 and 48.
  • Rail assembly 44 extends alongside and parallel to one of the adjacent rails 38 carrying the compacting elements 34a and 34b.
  • Strapping machine 42!; is similarly mounted on the other side of path P on another parallel rail assembly 50.
  • the strapping machines 42a and 42b are advanced and retracted along their respective rails 44' and 50 by means of piston and cylinder assemblies 52.
  • Each of the strapping machines 42a and 42b is provided with half of a strap track section 54.
  • the mating halves 56 of the strap track sections are oppositely mounted on the guide rails 44 and 50 and are advanced and retracted by means of their own operating cylinder 58.
  • the other strapping machine 42c is mounted at a fixed location beneath the apparatus.
  • a pair of strap track sections 60 and 62 cooperate with strapping machine 420.
  • Each of the strap track sections 60 and 62 is movable along another set of guide rails 64 by means of operating cylinders 66.
  • operation of the strapping machines and their respective strap tracks results in the simultaneous application of three retaining straps or bands, spaced 120 apart, to a coil when the latter is compacted between the compacting elements 34a and 34b.
  • the compacting and strapping cycle begins with a loaded hook 18 located as shown in FIGS. 2 and 3 at a position overlying the compacting and strapping apparatus 10.
  • the carriage I6 is disconnected from the overlying chain drive 22 and is thus at rest, supported on track section 14a with the coil C located above the space between the retracted compacting elements 340 and 34b.
  • Track section 14a is next lowered to the position shown in FIG. 4. This deposits the coil C on a pair of spaced parallel support members 68 (see FIG. 3) located between and slightly below rails 38. When thus positioned, the coil axis is aligned in parallel relationship with rails 38, and the full weight of the coil is transferred from hook 18 onto support member 68.
  • the coil C is then compacted by symmetrically advancing the compacting elements 34a and 3417.
  • the position of the coil s center of gravity remains unchanged relative to the axially inserted horizontally disposed extension 19 of the hook 18.
  • the strapping elements are next operatively positioned as shown in FIG. 6.
  • cylinders 52 and 58 are actuated to advance strapping machines 42a and 42b and their respective strap track sections 54 and 56 to the positions indicated.
  • cylinders 66 are actuated to advance strap track sections 60 and 62 into operative association with the lowermost stationary strapping machine 42c.
  • the strapping machines are cycled to apply three retaining bands or straps to the compacted coil at 120 intervals around the coils circumference.
  • the apparatus as shown applying three straps it will be understood that a greater or lesser number of straps may be applied, and that if desired, the straps may be applied sequentially rather than simultaneously.
  • Apparatus for compacting and strapping a cylindrical product coil comprising: transport means for carrying the coil along a given path, said transport means including an elongated member extending axially through the coil with the coil being substantially free from axial restraint while on said member, compacting means for axially compacting the coil on said transport means while said elongated member remains axially inserted through the coil, said compacting means including compacting elements arranged to engage opposite ends of the coil, said compacting means further including drive means for symmetrically moving each of said compacting elements towards the center of said path so as to axially compact the coil therebetween; and, strapping means for simultaneously applying retaining straps to the coil at a plurality of circumferentially spaced locations while the coil remains compacted between said compacting elements.
  • said transport means is comprised of a hook carrier having a plurality of books movable along said path at a level above that of said compacting means, each hook being adapted to axially sup port a cylindrical product coil, and means for lowering a hook overlying said compacting means to a level such that the coil supported thereon is positioned between said compacting elements.
  • said drive means include at least one double-acting hydraulic cylinder connected to each compacting element, the said compacting elements being movably mounted on rail members extending in a direction transverse to said path.
  • Apparatus for compacting and strapping cylindrical product coils comprising: a pair of spaced compacting elements located on opposite sides of and beneath a given path; transport means including a hook for carrying a coil along said path to a position overlying the space between said compacting elements; means for lowering said hook to position the coil between said compacting elements; means for symmetrically advancing said compacting elements towards the center of said path so as to axially compact the coil without shifting the center of gravity of the coil in relation to said path, and, means for applying a plurality of retaining straps to the coil while the coil remains compacted between said compacting elements.
  • Coil-handling apparatus comprising in combination: a hook for transporting a coil, said hook extending axially through the coil with the coil being substantially free from axial restraint while on said hook; compacting means for compacting said coil in a manner such that the position of the center of gravity of said coil remains substantially unchanged relative to said hook; and, means for strapping said coil simultaneously at a plurality of circumferentially spaced points while the coil remains compacted by said compacting means, whereby following. the compacting and strapping operation, the attitude of said hook remains substantially unaffected because the position of the center of gravity of the coil has not been significantly shifted during the compacting and strapping operation.
  • a method of compacting and strapping a product coil comprising the steps of: transporting the coil along a path transverse to the coil axis to a position overlying a pair of spaced compacting elements; lowering the coil to a position between said elements; axially compacting the coil by symmetrically advancing said elements towards one another, the said axial compaction taking place without shifting the center of gravity of the coil relative to said path; simultaneously applying a plurality of circumferentially spaced retaining straps to the coil while the coil remains axially compacted between 3,633,492 7 6 said elements; and, thereafter retracting the compacting elements prior to transporting the compacted strapped coil along said path to another location.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
US16876A 1970-03-05 1970-03-05 Coil compacting and strapping apparatus Expired - Lifetime US3633492A (en)

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US1687670A 1970-03-05 1970-03-05

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Country Status (7)

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US (1) US3633492A (de)
JP (1) JPS5028877B1 (de)
BE (1) BE763807A (de)
CA (1) CA960132A (de)
DE (1) DE2108271A1 (de)
FR (1) FR2084212A5 (de)
GB (1) GB1326674A (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710711A (en) * 1971-08-24 1973-01-16 Webb Co System for forming and handling annular rod bundles
US4301720A (en) * 1979-02-22 1981-11-24 Arbed Societe Anonyme Machine for tying coils of metal wire
US4578842A (en) * 1982-10-22 1986-04-01 Union Carbide Corporation Method and apparatus for compacting shirred casing
US6701831B2 (en) 2002-03-29 2004-03-09 L & P Property Management Company Apparatus and method for automated binding and spooling of wire cores
EP1544109A1 (de) * 2003-12-17 2005-06-22 Société de Technologie Michelin Verfahren und Vorrichtung zum Konditionieren von Reifen in Stapel
US6935665B2 (en) 2002-03-29 2005-08-30 L & P Property Management Co. Apparatus and method for spooling of wire cores
US20130256439A1 (en) * 2010-12-10 2013-10-03 Sms Siemag Aktiengesellschaft Device and method for handling a metal strip
EP3103728A1 (de) 2015-06-12 2016-12-14 Sund Birsta AB Kompaktiermaschine zum kompaktieren und binden einer drahtspule
US10370131B2 (en) * 2015-12-17 2019-08-06 Victor Manuel Quinones Apparatus and method for packaging coiled materials

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714788C3 (de) * 1977-04-02 1980-02-21 Pohlig-Heckel-Bleichert, Vereinigte Maschinenfabriken Ag, 5000 Koeln Im Umlauf vorgesehene Förderbahn zum Transport von Drahtbunden o.dgl. mit Vorrichtung zum Arretieren des Lasthakens

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901966A (en) * 1952-03-26 1959-09-01 Bocher Hermann Automatic binding of coils of wire
US2930313A (en) * 1953-11-17 1960-03-29 Bocher Hermann Binding of wire coils
DE1087514B (de) * 1955-10-04 1960-08-18 Cesar Joseph Tassignon Vorrichtung zum automatischen Binden von Drahtkraenzen mittels Bindedraht
US3118367A (en) * 1964-01-21 Strapping machine
US3143975A (en) * 1962-09-05 1964-08-11 Harold G Abbey Cantilevered work carriers for conveyor systems
US3498212A (en) * 1968-01-22 1970-03-03 Webb Co Jervis B Coil compacting and banding apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195444A (en) * 1963-09-27 1965-07-20 Morgan Construction Co Means for collecting, compacting, banding and weighing a plurality of coils of rod

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118367A (en) * 1964-01-21 Strapping machine
US2901966A (en) * 1952-03-26 1959-09-01 Bocher Hermann Automatic binding of coils of wire
US2930313A (en) * 1953-11-17 1960-03-29 Bocher Hermann Binding of wire coils
DE1087514B (de) * 1955-10-04 1960-08-18 Cesar Joseph Tassignon Vorrichtung zum automatischen Binden von Drahtkraenzen mittels Bindedraht
US3143975A (en) * 1962-09-05 1964-08-11 Harold G Abbey Cantilevered work carriers for conveyor systems
US3498212A (en) * 1968-01-22 1970-03-03 Webb Co Jervis B Coil compacting and banding apparatus

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710711A (en) * 1971-08-24 1973-01-16 Webb Co System for forming and handling annular rod bundles
US4301720A (en) * 1979-02-22 1981-11-24 Arbed Societe Anonyme Machine for tying coils of metal wire
US4578842A (en) * 1982-10-22 1986-04-01 Union Carbide Corporation Method and apparatus for compacting shirred casing
US6935665B2 (en) 2002-03-29 2005-08-30 L & P Property Management Co. Apparatus and method for spooling of wire cores
US6701831B2 (en) 2002-03-29 2004-03-09 L & P Property Management Company Apparatus and method for automated binding and spooling of wire cores
EP1544109A1 (de) * 2003-12-17 2005-06-22 Société de Technologie Michelin Verfahren und Vorrichtung zum Konditionieren von Reifen in Stapel
US20050184450A1 (en) * 2003-12-17 2005-08-25 Paul Charvet Packaging of tires in high stacks
US7299744B2 (en) 2003-12-17 2007-11-27 Michelin Recherche Et Technique S.A. Packaging of tires in high stacks
US20130256439A1 (en) * 2010-12-10 2013-10-03 Sms Siemag Aktiengesellschaft Device and method for handling a metal strip
US9289809B2 (en) * 2010-12-10 2016-03-22 Sms Group Gmbh Device and method for handling a metal strip
EP3103728A1 (de) 2015-06-12 2016-12-14 Sund Birsta AB Kompaktiermaschine zum kompaktieren und binden einer drahtspule
WO2016198532A1 (en) 2015-06-12 2016-12-15 Sund Birsta Ab Compacting machine for compacting and binding a coil of wire
US10370131B2 (en) * 2015-12-17 2019-08-06 Victor Manuel Quinones Apparatus and method for packaging coiled materials

Also Published As

Publication number Publication date
GB1326674A (en) 1973-08-15
DE2108271A1 (de) 1971-09-16
FR2084212A5 (de) 1971-12-17
BE763807A (fr) 1971-08-02
JPS5028877B1 (de) 1975-09-18
CA960132A (en) 1974-12-31

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