EP0925224A1 - Installation d'emballage de rouleaux - Google Patents

Installation d'emballage de rouleaux

Info

Publication number
EP0925224A1
EP0925224A1 EP97909253A EP97909253A EP0925224A1 EP 0925224 A1 EP0925224 A1 EP 0925224A1 EP 97909253 A EP97909253 A EP 97909253A EP 97909253 A EP97909253 A EP 97909253A EP 0925224 A1 EP0925224 A1 EP 0925224A1
Authority
EP
European Patent Office
Prior art keywords
coil
packaging
plant
manipulator
coils
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.)
Withdrawn
Application number
EP97909253A
Other languages
German (de)
English (en)
Inventor
Donato Porro
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.)
BF Engineering Srl
Original Assignee
BF Engineering Srl
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 BF Engineering Srl filed Critical BF Engineering Srl
Publication of EP0925224A1 publication Critical patent/EP0925224A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B65B25/146—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging rolled-up articles
    • B65B25/148—Jumbo paper rolls

Definitions

  • This invention relates to a co l packaging plant.
  • the coils consisting generally of rolls of sheet steel, aluminium alloy or steel alloy, are generally of large dimensions (diameter up to 2 m, width up to 2 m) and considerable weight (from 15 to 27 tons). Coils require to be packaged both for their handling within the factory and for their subsequent transport and storage.
  • the sheet metal coils generally originate from coating, electro- galvanizing or other surface treatment lines which increase the value of the coils but leave them subject to deterioration because of surface impact or oxidation, this being particularly evident during sea transportation or storage under moist and variable temperature conditions.
  • a first procedure involves packaging with paper.
  • the packaging material is in the form of a sheet of oxled plastic-coated paper bonded to a nylon mesh.
  • the packaging operations comprise positioning the coils on the previously cut sheet by means of an overhead crane, followed by manual wrapping and folding, then closure by metal straps.
  • a second procedure uses a metal box. In addition to the paper, a steel sheet of about 0.6 mm thickness is used, cut and bent manually about the outside of the coil, and fixed to two sheet steel covers cut and bent manually. This second procedure is that which is mostly used, particularly when greater product protection is required. The limitations of both these used methods are:
  • the packaging cannot be reused, and is also difficult to dispose of because it comprises different materials (paper, plastic, steel).
  • An object of the present invention is to provide a coil packaging plant which overcomes all the aforeiisted drawbacks.
  • a particular further object is to automate the packaging process, increase plant productivity, reduce accident risk, ensure absolute protection against knocks and atmospheric agents, and enable the materials to be totally recycled after use.
  • FIG. 1 is a plan view of a plant according to the present invention seen from above;
  • Figure 2 is an elevation of a detail of Figure 1 in the direction of the arrow A ;
  • Figure 3 i ⁇ an elevation of the plant of Figure 1 in the direction of the arrow B;
  • Figure 4 is an elevation of the plant of Figure 1 in the direction of the arrow C
  • Figure 5 is a plan view of a second embodiment of a plant according to the present invention seen from above;
  • Figure 6 is an elevation of the plant of Figure 5 in the direction of -the arrow D
  • Figure 7 is an elevation of the plant of Figure 5 in the direction of the arrow E;
  • Figure 8 is an elevation of the plant of Figure 5 in the direction of the arrow F;
  • Figure 9 is an elevation of the plant of Figure 5 in the direction of the arrow G;
  • Figure 10 is a view of a coil packaged in accordance with the invention and provided with hoops on its lateral surface.
  • Figure 1 is a plan view from above of a coil packaging plant constructed in accordance with the present invention, its individual constituent devices or units being shown schematically.
  • the plant comprises a feed conveyor 11 on which individual coils
  • the portal-type transfer device 13 feeds a single coil from a position associated with the feed conveyor to a position associated with a manipulator.
  • the manipulator consists of a rotatable and raisable cradle.
  • the cradle 14 can be moved from the position in which it receives the coil 12 from the conveyor to a position lying between a support unit comprising two rotation heads 15 provided wxth coil support mandrels 16.
  • the plant of the invention is completed by a unit for treating the coil, during its packaging, with a film of polyethylene, polyethylene plus nylon, or plastic material in general.
  • the treatment unit comprises a chamber 17 for vacuum-treating, weighing and labelling the complete package and a packaging material feed device 18.
  • the keyboard of a central processing unit 19 controls the operation of the various plant devices and units.
  • the coils 12 are fed along the feed conveyor 11, which acts as a buffer for the plant.
  • the portal-type transfer device 13 is operated by a suitable command fed in via the keyboard of the central processor unit 19.
  • a self- aligning rocker arm of the transfer device withdraws a coil 12 from the conveyor 11 then travels along suitable rails 21 to reach a position in proximity with and axial to the cradle 14.
  • the cradle 14 is then raised by an actuator'22 positioned below it and receives the coil 12, to leave the rocker arm 20 of the transfer device 13 to return to its retracted initial position.
  • the cradle is lowered and rotated, and then shifted along an appropriate runway 23 to reach a position between the two rotation heads 15.
  • the cradle is again raised to locate the coil 12 axially to the heads 15 or rather the mandrels 16.
  • These latter are then moved so that, after a support element of a material identical to or compatible with the packaging has been inserted into the coil central hole, the two mandrels 16 are inserted into the opposing ends of the central hole in the coil 12, and into its internal support element.
  • the cradle is lowered to leave the coil free to rotate rigidly with the mandrels, the packaging material feed device 18 then feeding the packaging film so that it arrives below the coil.
  • the rotation cycle then commences to wrap the coil in its package, complete with sharp-edge protection rings 24 of a material compatible with or identical to the package, and unwound from reels 25.
  • the reels 25 are located in the feed device 18 together with a reel of packaging material 26.
  • the film is cut and thermowelded in three places, namely at the holes into which the mandrels were inserted and along a generating line on the lateral surface in line with the cut.
  • the coil When the coil has been packaged it is transferred into the chamber 17 in which it is put under vacuum, weighed and then provided with its label completely automatically. The coil treated and packaged in this manner is withdrawn from the cradle and again transferred to the feed conveyor 11, which this time acts as an exit buffer zone.
  • This material (monor ⁇ aterial or plastic material in general such as polyethylene film) , used both as the support element within the coil and as the outer covering, is inter alia easily available and is ecological as it can be very easily recycled.
  • the type of material is such as to prevent accidents both to the plant and to the personnel who have subsequently to handle the packaged coil once received.
  • FIGS 5-9 show a second embodiment of a plant according to the present invention, in which equal elements and parts carry the same reference numerals.
  • the plant comprises a feed conveyor 11 on which individual coils 12 are positioned to be fed to a portal-type transfer device 13. During its travel along the conveyor 11 the individual coils 12 pass through a device 30 for measuring the dimensions of the fed coil 12 to be packaged, and for controlling and arranging further operations and devices located downstream within the plant.
  • a first of these operations is implemented by a device 31 for preparing a tubular element and for inserting this tubular element into an empty central hole in the coil 12.
  • This device takes a certain quantity of plastic material from a packaging material feed device 32, winds it into a tube and then inserts it into the central hole in the coil, if necessary fixing it by a weld or the like.
  • the co l then reaches the portal-type transfer device 13, provided with a pair of expandable mandrels 33 which grip the coil 12 to move forwards through the plant.
  • the individual coil 12 is then moved from a position associated with the feed conveyor 1 to a position associated with a manipulator
  • This manipulator consists of a rotatable and raisable cradle 14.
  • the cradle 14 can be moved from this position for receiving the coil 12 from the conveyor to a subsequent position in correspondence with a further device in which wrapping with the plastic material takes place.
  • a coil wrapping unit for its packaging with a film of polypropylene or generally similar plastic material
  • This wrapping unit comprises a device 18 for feeding packaging material for the lateral surface, and which is applied about the lateral surface, and a further device 34 for feeding packaging material to form circular end covers to be placed on the side ends of the coil 12.
  • a manipulator 36 is provided to carry the circular covers 35 one after another into correspondence with the side ends of the coil 12 while arranged on the cradle 14, which is able to rotate through at least 180° in order to be able to present both its ends.
  • the manipulator 36 can also be provided with a welding device which welds the circular covers 35 to the tubular element positioned within the central hole in the coxi 12.
  • a chamber can also be provided for vacuum-treating, weighing and labelling the complete package, as in the preceding case.
  • the wrapped coil 12 can be gripped by the pair of expandable mandrels 33 of the portal-type transfer device 13 and replaced on the conveyor 11 for its storage.
  • the keyboard of a central processing unit 19 controls the operation of the various plant devices and units.
  • the device 18 for feeding packaging material for tiie lateral surface could also provide plastic hoops 37 to be applied to the outside of the packaged coil 12, as shown in Figure 10. With this plant a coil packaged in polypropylene can be obtained having a perfectly wrapped lateral surface to which two circular covers positioned on the two side ends have been applied, and possibly welded.
  • the transverse dimension of the film wrapping this lateral surface and of the central tube inserted into the coil hole can be left excessive to form a seat into which these two lateral covers can be inserted and the abundant edges be folded over onto the two ends, the edge of the central tube being folded in the same manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Special Articles (AREA)
  • Basic Packing Technique (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

Cette installation d'emballage de rouleaux comprend une bande de transport (11), un dispositif (13) de transfert d'un seul rouleau (12) vers un manipulateur (14, 36), une unité de support (15, 16) de rouleau (12), ainsi qu'une unité de traitement (17, 18), laquelle est destinée à l'emballage d'un des rouleaux, dans un matériau correspondant, et comprend un dispositif (18) servant à fournir le matériau d'emballage au manipulateur (14, 36) et à positionner autour du rouleau (12) ce matériau, lequel consiste généralement en un film à base d'une seule matière polymère ou en matière plastique. Le manipulateur se compose d'un berceau rotatif et relevable (14), que l'on peut déplacer d'une position associée au dispositif de transfert (13), à une position associée à l'unité de traitement suivante (15, 16; 36).
EP97909253A 1996-09-13 1997-09-11 Installation d'emballage de rouleaux Withdrawn EP0925224A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT96MI001888A IT1284528B1 (it) 1996-09-13 1996-09-13 Impianto di imballaggio coils
ITMI961888 1996-09-13
PCT/EP1997/004980 WO1998010987A1 (fr) 1996-09-13 1997-09-11 Installation d'emballage de rouleaux

Publications (1)

Publication Number Publication Date
EP0925224A1 true EP0925224A1 (fr) 1999-06-30

Family

ID=11374879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97909253A Withdrawn EP0925224A1 (fr) 1996-09-13 1997-09-11 Installation d'emballage de rouleaux

Country Status (4)

Country Link
EP (1) EP0925224A1 (fr)
AU (1) AU4702497A (fr)
IT (1) IT1284528B1 (fr)
WO (1) WO1998010987A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1319349B1 (it) * 2000-12-05 2003-10-10 Bf Engineering S P A Impianto di imballaggio a misura di coils

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840222A (en) * 1930-06-18 1932-01-05 Inland Empire Paper Company Wrapping and sealing apparatus
FR2612883B1 (fr) * 1987-03-24 1989-07-28 Stephanois Rech Mec Procede de pose automatique d'elements de protection pour les produits conditionnes en rouleau notamment et la machine pour la mise en oeuvre du procede
EP0474094B1 (fr) * 1990-08-27 1995-08-23 Fuji Photo Film Co., Ltd. Appareil pour enrouler une feuille d'enveloppement autour d'un rouleau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9810987A1 *

Also Published As

Publication number Publication date
ITMI961888A1 (it) 1998-03-13
IT1284528B1 (it) 1998-05-21
AU4702497A (en) 1998-04-02
WO1998010987A1 (fr) 1998-03-19

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