EP1686059B1 - Vorrichtung zum Verpacken von Produkten mit einer wärmeschrumpfbaren Folie - Google Patents

Vorrichtung zum Verpacken von Produkten mit einer wärmeschrumpfbaren Folie Download PDF

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Publication number
EP1686059B1
EP1686059B1 EP06113739A EP06113739A EP1686059B1 EP 1686059 B1 EP1686059 B1 EP 1686059B1 EP 06113739 A EP06113739 A EP 06113739A EP 06113739 A EP06113739 A EP 06113739A EP 1686059 B1 EP1686059 B1 EP 1686059B1
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EP
European Patent Office
Prior art keywords
conveyor
rolls
pair
film
portal frame
Prior art date
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Application number
EP06113739A
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English (en)
French (fr)
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EP1686059A1 (de
Inventor
Mauro Cere'
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.)
Aetna Group SpA
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Aetna Group SpA
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Publication date
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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/026—Enclosing successive articles, or quantities of material between opposed webs the webs forming a curtain
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/005—Adjustable conveying means

Definitions

  • the present invention relates to an apparatus for packaging single or grouped products with heat-shrink film.
  • the products may be parts of furniture units.
  • a first solution (see patents IT-1.273.200 and IT-1.273.201 ) comprises two consecutive infeed and outfeed conveyors, lying in the same plane, which transport the products in a defined feed direction and which are separated by a vertical sealing device.
  • a portal frame sliding in a direction parallel to the feed direction mounts at the top of it a plurality of heat-shrink film rolls arranged in pairs of different width.
  • the pair of rolls used for wrapping the products is transported by the sliding portal frame to the wrapping area (that is, close to the film sealing device) and one of the rolls is then made to move below the product feed conveyor (thanks to the possibility of telescopically adjusting the conveyor).
  • a second solution described in patent EP-939.031 , unlike the first solution described above, comprises a fixed portal frame mounting the pairs of rolls at the top of it, and means for guiding the selected film positioned directly on the infeed conveyor.
  • the infeed conveyor retracts as far as the selected pair of rolls. One of the rolls moves down until it is below the level of product feed and the conveyor then moves back to its working position close to the outfeed conveyor.
  • the film is tensioned by an overhead crossbeam supported by the end of the conveyor and a tensioning roller lower down associated with the end of the conveyor which together cause the section of film that will be intercepted by the products to be positioned vertically at the outfeed area in the vicinity of the sealing devices.
  • the first solution has a rather complex and costly structure comprised of a large number of components such as a power-driven frame, parallel rails, etc.
  • the machine has to be shut down even if only one pair of rolls has to be changed. Moreover, the rolls are located quite high up and when new, are very heavy, which means that changing them involves some risk and requires suitable lifting equipment (such as a hoist). The same applies to splicing the film web after the rolls have been changed. This operation, by which the free ends of the new pair of rolls are joined is also carried out at the top of the portal frame.
  • the present invention therefore has for an aim to overcome the above mentioned drawbacks through an apparatus for packaging products with heat-shrink film having a simple structure which is safe and practical not only during operation but also when changing the film rolls, without reducing productivity and flexibility.
  • an apparatus for packaging products with film comprising the following: a first and a second conveyor for transporting products along a feed line; the first conveyor is equipped with an end section that is adjustable in length so that it can move towards and away from the second conveyor; a portal frame positioned at the first conveyor and designed to mount a plurality of pairs of rolls; actuating means for moving a selected pair of rolls away from each other in a vertical direction in such a way as to position a section of film transversely to the feed line; means for guiding the selected film so it forms a broken-line configuration that is intercepted by the products; a part of the portal frame located under the first, infeed conveyor, is equipped with housings for accommodating respective pairs of film rolls; one of the rolls in each pair is fitted with actuating means that move it away from the other roll and raise it towards the top of the portal frame, that is to say, to a position above the first conveyor.
  • the apparatus 3 may be used to package products 1 consisting of parts of furniture units.
  • the apparatus 3 essentially comprises:
  • infeed conveyor 4 As shown in Figures 1 and from 4 to 7, a part of the portal frame 6 located under the first, infeed conveyor 4 is equipped with housings 11 for accommodating respective pairs of film 2 rolls 7 and 8.
  • each roll 8 of each pair 7 and 8 is fitted with actuating means 9 which move it away from the other roll 7 so that, when selected, the roll 8 is raised towards the top of the portal frame 6, that is to say, above the first conveyor 4.
  • each roll 7, 8 fitted is mounted inside a respective bin 13 and 14, constituting the aforementioned housings 11.
  • Each bin 13 and 14 is equipped with a respective pair of mounting rollers 15 and 16 for supporting and unwinding the respective roll 7 and 8 itself.
  • each pair of bins 13 and 14 containing a respective pair of rolls 7 and 8 is mobile, thanks to suitable means 17, between a working position in which the rolls 7, 8 are positioned under the first conveyor 4 (see continuous line in Figure 8 ) and an idle position in which the pair of bins 13 and 14 has moved in a direction P perpendicular to the feed line A to a position outside the space defined by the first conveyor 4 and the portal frame 6 (see dashed line in Figure 8 ).
  • the pairs of bins 13 and 14 may comprise wheels 17 on the lower bin 13 for sideways movement, whilst the upper bin 14 rests on the lower bin 13 and is locked to it, for example, by pins housed in respective holes made in the lower bin 13: in this way, when the rolls 7, 8 of that pair are finished, the bins 13 and 14 can simply be pulled out to remove the depleted roll cores and fit the new rolls 7, 8.
  • the forward and return movement of the bins 13 and 14 may be manual or power-assisted.
  • each bin 14 containing the upper roll 8 of each pair 7 and 8 can be locked by respective bilateral pairs of carriages 27, to respective vertical guides 18 forming part of the portal frame 6 for moving the upper roll 8 in its bin 14 vertically up and down.
  • each bin 14 containing an upper roll 8 is equipped with an independent motor 19 acting on the pair of rollers 15 and 16 for unwinding the film 2 when it is intercepted by the products 1.
  • each lower roll 7 may be power-driven by a respective motor 7m acting on the pair of rollers 15 and 16 to properly unwind the film 2 when selected.
  • a kinematic drive system 20 for example a transmission chain system
  • a motor 21 at the top of the portal frame 6, which together form the aforementioned actuating means 9.
  • the aforementioned means 10 for guiding the film 2 comprise at least one pair of rods 22 and 23 associated with a respective vertical drive carriage 27a, in particular with the carriages positioned at the zone of contact between the mobile end 4a of the first conveyor 4 and the infeed end of the second conveyor 5.
  • Each of these rods 22 and 23 is locked to a vertical axis Z and is driven about the axis Z by suitable means 24 (for example a cylinder) between an idle position in which the rods 22 and 23 are positioned parallel with the feed line A (see Figure 2 and the dashed line in Figure 3 ) and a working position in which the rods 22 and 23 are turned at least by an angle ⁇ and positioned transversally to the feed line A in such a way as to intercept the section of selected film 2 when the first conveyor 4 is in the advanced position.
  • suitable means 24 for example a cylinder
  • the carriage 27a equipped with the guide means 10 has means 25 for engaging it with and disengaging it from the respective bin 14 containing the upper roll 8 so that the rods 22 and 23 can be lifted to the working position independently of the movement of the carriage 27: acting in conjunction with the mobile end 4a of the first conveyor 4, this forms a vertical section T of the broken-line configuration of the film 2 at the outfeed area of the portal frame 6.
  • each of the carriages 27 and 27a in the apparatus 3 is fitted with the aforementioned means 25 for engagement with and disengagement from the respective bin 14.
  • the means 25 may consist of a pair of hooks 25a hinged to the support 27a of the carriage 27 and rotationally driven about a horizontal axis 25b (see Figures 2 and 3 ) by respective means 25c, such as, for example, a cylinder.
  • the hooks 25a may be engaged in respective slots 14a made in the corresponding bin 14 below, so as to permit the vertical movement of the latter.
  • the numeral 30 in Figure 1 denotes a customary unit for cutting and sealing the film 2 wrapped around the product 1, positioned between the two conveyors 4 and 5 and downstream of the portal frame 6. This unit secures the film 2 around the wrapped product 1 before the latter enters a shrink tunnel which stabilises the package.
  • Figures 4 to 7 show how the film 2 is selected and prepared before the product to be packaged passes through.
  • the first conveyor 4 is retracted (see arrow F, Figure 4 ) to leave a gap through which the roll 8 can pass as it moves upwards.
  • the first conveyor 4 is advanced until it is close to the sealing and cutting unit 30 (see arrow F2, Figure 5 ).
  • the movement of the first conveyor 4 causes the film 2 to be intercepted and pushed as far as the aforementioned area, the film 2 being unwound in the process, if necessary using the motors on the selected rolls 7 and 8.
  • the rods 22 and 23 are rotated in such a way as to move into contact with the film 2 on both sides of the latter, in the vicinity of the sealing and cutting unit 30 (see Figure 6 ), whilst the carriage 27a that supports them is disengaged from the bin 14 below it by turning the hooks 25a.
  • An apparatus made in this way achieves the preset aims thanks to an optimised and practical portal frame structure that does not unduly encumber the machine as a whole.
  • the apparatus according to the invention offers the same production quality and speed as prior art apparatus of the same kind.

Claims (8)

  1. Vorrichtung zum Verpacken einzelner oder gruppierter Produkte (1), bestehend aus:
    - einem ersten und einem zweiten Förderband (4, 5), die auf derselben Ebene liegen, zum Befördern von Produkten (1) entlang einer Zuführlinie (A); worin das erste Förderband (4) einen Produkteinlaufförderer bildet und einen Endabschnitt (4a) beinhaltet, der in der Länge verstellbar ist zwischen einer Rückzugsstellung, in der er von dem zweiten Förderband (5) entfernt ist, und einer Ausfahrstellung, in der er dem zweiten Förderband (5) angenähert ist;
    - einem Portalrahmen (6), der am ersten Förderband (4) angeordnet ist und an dem mehrere Paare von Rollen (7, 8) unterschiedlicher Breite montiert sind;
    - Bewegungsmitteln (9), die dazu dienen, die Rollen (7, 8) eines gewählten Paares voneinander weg in einer vertikalen Richtung zu bewegen, um einen Abschnitt der Folie (2) quer zu der Zuführlinie (A) anzuordnen, wenn sich das erste Förderband (4) in der Rückzugsstellung befindet;
    - Mitteln (10) zum Führen der ausgewählten Folie (2) in einer polygonzugförmigen Konfiguration zum Abfangen der sich vorwärts bewegenden Produkte (1), wenn sich der erste Förderband (4) in der Ausfahrstellung befindet;
    wobei die Vorrichtung (3) dadurch gekennzeichnet ist, dass:
    - jede Rolle (7, 8) in einem entsprechenden Kasten (13, 14) untergebracht ist, der jeweils ein Aufnahmegehäuse (11) bildet;
    - jedes Paar von Kästen (13, 14) ein entsprechendes Paar Rollen (7, 8) enthält und dank geeigneter Mittel (17) beweglich ist zwischen einer Arbeitsstellung, in der die Rollen (7, 8) unter dem ersten Förderband (4) angeordnet sind, und einer Ruhestellung, in der jedes Paar Kästen (13, 14) in eine Richtung (P) perpendikular zu der Zuführlinie (A) in eine Stellung bewegt wurde, die außerhalb des Raumes liegt, der von dem ersten Förderband (4) und dem Portalrahmen (6) umschrieben ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass eine der Rollen (8) in jedem Paar (7, 8) mit den Bewegungsmitteln (9) ausgerüstet ist, die sie von der anderen Rolle (7) weg bewegen, so dass bei Auswahl eines Rollenpaares (7, 8) die Rolle (8) in dem betreffenden Paar zur Oberseite des Portalrahmens (6) hin angehoben wird, das heißt über das erste Förderband (4).
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jeder Kasten (14), der die obere Rolle (8) jedes Rollenpaares (7, 8) enthält, durch entsprechende beidseitige Paare von Laufwerken (27), die einen Bestandteil der Bewegungsmittel (9) bilden, an entsprechenden vertikalen Führungen (18) befestigt werden kann, die einen Bestandteil des Portalrahmens (6) bilden, um die obere Rolle (8) mit ihrem Kasten (14) vertikal auf und ab zu bewegen.
  4. Vorrichtung nach den Ansprüchen 2 und 3, dadurch gekennzeichnet, dass jeder Kasten (14), der eine obere Rolle (8) enthält, mit einem Motor (19) zum Abwickeln der Folie (2) ausgestattet ist.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Laufwerke (27) für die Bewegung mit einem kinematischen System (20) verbunden sind, das mit einem Motor (21) ausgestattet ist, der oben am Portalrahmen (6) angeordnet ist und einen weiteren Bestandteil der Bewegungsmittel (9) bildet.
  6. Vorrichtung nach den vorhergehenden Ansprüchen von 1 bis 5, dadurch gekennzeichnet, dass die Mittel (10) zum Führen der Folie (2) zumindest ein Paar Stangen (22, 23) beinhalten, die mit einem entsprechenden vertikalen Laufwerk (27a) verbunden sind, das an dem Kontaktbereich zwischen dem beweglichen Ende (4a) des ersten Förderbandes (4) und dem Einlaufende des zweiten Förderbandes (5) angeordnet ist; wobei jede der Stangen (22, 23) fest mit einer vertikalen Achse (Z) verbunden ist, um die sie sich, angetrieben von geeigneten Mitteln (24), bewegen lässt zwischen einer Ruhestellung, in der die Stangen (22, 23) parallel zu der Zuführlinie (A) angeordnet sind, und einer Arbeitsstellung, in der die Stangen (22, 23) zumindest um einen Winkel (α) gedreht und quer zu der Zuführlinie (A) angeordnet sind, um den Abschnitt der gewählten Folie (2) abzufangen, wenn sich das erste Förderband (4) in der Ausfahrstellung befindet.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass zumindest das mit Führungsmitteln (10) ausgestattete Laufwerk (27a) Mittel (25) für die Herstellung und das Lösen des Eingriffes mit einem entsprechenden Kasten (14), der eine obere Rolle (8) enthält, aufweist, so dass die Stangen (22, 23) unabhängig von der Bewegung des Kastens (14) in die Arbeitsstellung angehoben werden können, um in Zusammenwirkung mit dem beweglichen Ende (4a) des ersten Förderbandes (4) einen vertikalen Abschnitt (T) einer polygonzugförmigen Konfiguration der Folie (2) am Auslaufbereich einem Portalrahmens (6) zu bilden.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass jedes der Laufwerke (27, 27a) in der Vorrichtung (3) mit den Mitteln (25) für die Herstellung und das Lösen des Eingriffes mit dem entsprechenden Kasten (14) ausgestattet ist.
EP06113739A 2004-05-26 2005-05-18 Vorrichtung zum Verpacken von Produkten mit einer wärmeschrumpfbaren Folie Active EP1686059B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000337A ITBO20040337A1 (it) 2004-05-26 2004-05-26 Apparecchiatura per l'imballaggio di prodotti con film termoretraibile
EP05425334A EP1602581B1 (de) 2004-05-26 2005-05-18 Vorrichtung zum Verpacken von Gegenständen mittels Schrumpffolie

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP05425334.9 Division 2005-05-18
EP05425334A Division EP1602581B1 (de) 2004-05-26 2005-05-18 Vorrichtung zum Verpacken von Gegenständen mittels Schrumpffolie

Publications (2)

Publication Number Publication Date
EP1686059A1 EP1686059A1 (de) 2006-08-02
EP1686059B1 true EP1686059B1 (de) 2010-03-31

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Application Number Title Priority Date Filing Date
EP06113739A Active EP1686059B1 (de) 2004-05-26 2005-05-18 Vorrichtung zum Verpacken von Produkten mit einer wärmeschrumpfbaren Folie
EP05425334A Active EP1602581B1 (de) 2004-05-26 2005-05-18 Vorrichtung zum Verpacken von Gegenständen mittels Schrumpffolie

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05425334A Active EP1602581B1 (de) 2004-05-26 2005-05-18 Vorrichtung zum Verpacken von Gegenständen mittels Schrumpffolie

Country Status (5)

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EP (2) EP1686059B1 (de)
AT (2) ATE367310T1 (de)
DE (2) DE602005020243D1 (de)
ES (2) ES2290875T3 (de)
IT (1) ITBO20040337A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMC20040141A1 (it) * 2004-11-29 2005-02-28 Erregi Di Giunti Renzo Macchina perfezionata per l'imballaggio automatico di prodotti in genere con nastri di incarto.
US20110023413A1 (en) * 2009-07-31 2011-02-03 Ishida Co., Ltd. Packaging apparatus
FR2948922B1 (fr) * 2009-08-04 2011-10-07 Techman Mecanisation Installation d'emballage comprenant au moins deux modules distincts dont un au moins est mobile par rapport a une direction de convoyage des produits a emballer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1305684B1 (it) * 1998-02-25 2001-05-15 Fabrizio Filippini Macchina per l'imballaggio automatico di prodotti corredata di piu'nastri di incarto, ognuno di differente larghezza
ES2208027B1 (es) * 2001-11-07 2005-04-16 Construcciones Metalicas Jose Barberan, S.A. Maquina modular para embalaje automatico con laminas de plastico.
ITBO20030321A1 (it) * 2003-05-23 2004-11-24 Biesse Spa Macchina per l'imballaggio di un prodotto in un foglio

Also Published As

Publication number Publication date
DE602005001658D1 (de) 2007-08-30
EP1602581A3 (de) 2006-03-29
EP1602581B1 (de) 2007-07-18
EP1602581A2 (de) 2005-12-07
ATE367310T1 (de) 2007-08-15
ES2290875T3 (es) 2008-02-16
EP1686059A1 (de) 2006-08-02
DE602005020243D1 (de) 2010-05-12
ATE462649T1 (de) 2010-04-15
ES2342554T3 (es) 2010-07-08
ITBO20040337A1 (it) 2004-08-26

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