EP3448762B1 - Vertikale verpackungsmaschine - Google Patents

Vertikale verpackungsmaschine Download PDF

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Publication number
EP3448762B1
EP3448762B1 EP17726691.3A EP17726691A EP3448762B1 EP 3448762 B1 EP3448762 B1 EP 3448762B1 EP 17726691 A EP17726691 A EP 17726691A EP 3448762 B1 EP3448762 B1 EP 3448762B1
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EP
European Patent Office
Prior art keywords
film
reel
forming tube
machine
framework
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
EP17726691.3A
Other languages
English (en)
French (fr)
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EP3448762A1 (de
Inventor
Andrea FIORAVANTI
Marco PAVAN
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.)
Mbp Srl
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Mbp Srl
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Filing date
Publication date
Application filed by Mbp Srl filed Critical Mbp Srl
Publication of EP3448762A1 publication Critical patent/EP3448762A1/de
Application granted granted Critical
Publication of EP3448762B1 publication Critical patent/EP3448762B1/de
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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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18—Registering sheets, blanks, or webs
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/08—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to stop, or to control the speed of, the machine as a whole
    • 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
    • B65B59/02—Arrangements to enable adjustments to be made while the machine is running
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
    • B65B61/025—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging for applying, e.g. printing, code or date marks on material prior to packaging
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/04—Customised on demand packaging by determining a specific characteristic, e.g. shape or height, of articles or material to be packaged and selecting, creating or adapting a packaging accordingly, e.g. making a carton starting from web material

Definitions

  • the present invention relates to a vertical packaging machine for the production of sealed bags containing products of various kinds, mainly although not exclusively food products.
  • the following invention relates to a vertical packaging machine whose characteristic is that of being equipped with a means for unwinding the film which allows lost time to be reduced during format changes due to mechanical adjustments of the reel unwinding zone.
  • the system also prevents film slippage phenomena due to mechanical inertia when the film is drawn for forming the bag.
  • the packaging machine according to the invention provides a film unwinding system mounted on the lateral part and not, as normally happens, on the rear part of the machine.
  • the present invention is advantageously applied in the sector of packaging machines for products of various kinds and mainly food products.
  • a vertical packaging machine There are various types of these machines of different types and, among these, there is also a version that is normally defined as a vertical packaging machine.
  • the latter comprises a dosing device positioned in the uppermost part and from which the product to be packaged is left to drop for being conveyed into a vertical metal tube of a variable width and reduced length, known as a forming tube.
  • the film is wound which advances around it through a drawing system comprising rubber coated belts and curved sheet metal parts, arranged around the forming tube.
  • Document US 2015/0020483 describes a multi-line packaging machine equipped with four forming tubes mounted in parallel and four respective film unwinding reels.
  • Each of the packaging lines envisages a triangular shaped fixed frame which allows a 90° direction change of the film to be performed unwound from a reel and advanced towards a forming tube.
  • a movement means of said triangular frame is not provided and therefore an adaptation and compensation means acting to keep the film centred with respect to the forming tube is not provided.
  • the present invention sets out to provide a vertical packaging machine for producing sealed bags containing products of various kinds which is equipped with a film unwinding device that facilitates bag format changes, thus creating a condition able to eliminate or at least reduce the drawbacks highlighted above.
  • the advantages of this solution also regard the possibility to limit the format change time, avoiding a multitude of mechanical adjustments.
  • the system also prevents the occurrence of film slippage due to mechanical inertia when the film is drawn for forming the bag.
  • the main advantage of this solution regards the fact that the above machine provides a film unwinding system mounted on the lateral part of the packaging machine hence determining a mechanical condition such as to allow a reduction of losses of time during format changes caused by mechanical adjustments on the reel unwinding zone.
  • a further advantage offered by the invention is that relative to the possibility to prevent appointed personnel having to perform numerous and various mechanical adjustments on the film unwinding devices during format change operations. These operations were necessary for adapting the machine to the new dimensions of the package to be produced which, according to known solutions, caused a notable loss of time before starting again with new production.
  • 10 generally indicates a vertical packaging machine equipped with the film unwinding system according to the invention.
  • the vertical packaging machine has a substantially prismatic conformation on four sides and with a vertical extension, and is equipped with a carcass having a front sector 11 in which the packages of the product to be packaged are formed at a forming tube 12.
  • the packages of product to be packaged are realised using a film 13 made of synthetic material with continuous advancement supplied by a reel 14 placed in its own housing in the lower part of the machine on one side of the carcass adjacent to the one on which the forming tube 12 is mounted.
  • Such film 13 dispensed by the reel 14, is made to rise from the lower part to the upper part of the machine so as to reach the forming tube 12 passing from a folding bell 15 arranged at the inlet of said forming tube 12.
  • the film unwinding devices are mounted on one side of the vertical packaging machine and not on the rear part as happens in solutions of the prior art, thus allowing an innovative system to be used for the adjustment and adaptation to the different film formats subsequently used.
  • the first device encountered is a support shaft 16 for supporting the reel 14 from which the film is unwound, which is fixed directly onto the main front plate of the carcass to which most of the machine's mechanical components are anchored.
  • the shaft 16 of the reel 14 is activated and controlled by a motor 17 which, through a reducer of the number of revolutions, makes the shaft and the reel rotate.
  • the motor 17 is equipped with a device for controlling the unwinding of the reel.
  • the film 13 rising upwards to reach the forming tube 12 passes through distinct operating units placed laterally to the packaging machine according to this order: a unit 18 for facilitating the cutting of the film; subsequently, according to the work requirements, printing and label application units, an accumulation device 19 which allows the intermittent motion necessary for the sealing systems on the forming tube.
  • a folding guide 20 is further provided comprising a triangular shaped frame which changes the unwinding direction by 90° and inverts the side of the film so as to bring it onto the forming tube 12 in the correct way and direction.
  • an encoder 21 is provided associated with a small rubber-coated wheel, which allow the constant measurement of the film which is being unwound.
  • the encoder sends signals to the computer which manages the machine, continuously correcting the speed of the motor for the rotation of the reel.
  • the computer allows the operator to view information related to the diameter of the reel and other production-related data allowing all the rollers that rotate to accompany the film during its unwinding in the zone where the speed is uniform, to turn at the same speed, hence not opposing any force of inertia to the film.
  • the film reaches the labelling zone, in which one or more pieces of equipment may provide for gluing the label and possibly printing the date or batch number or other information.
  • a photocell 22 for aligning the position of the drawing already printed on the film with the printed date or the glued labels, a photocell 22 is used which detects a coloured reference notch on the film so that, by measuring the movement, using the same encoder already used for the speed, an electronic control unit can decide when to launch the printing or labelling command.
  • the film 13 crosses a roller-operated accumulation device 19 which determines the intermittent motion necessary for the sealing systems on the forming tube.
  • the accumulation device 19 comprises 3 or more rollers, half of which are coupled to movable supports which in turn are moved by the stem of a mechanical actuator 23 where the thrust force is decided by the computer based on the accelerations in order to cancel out the inertia caused by the moving mechanical mass.
  • the film passes into the triangular shaped folding guide 20 which changes the unwinding direction by 90° and inverts the side of the film so as to bring it onto the forming tube 12 in the correct way and direction.
  • the folding device 20 is arranged at the upper flat surface 21 of the carcass of the machine and comprises a substantially triangular shaped frame, one of whose sides is arranged according to a 45° angle with respect to the front wall and the lateral wall of the machine.
  • another side of said triangular frame is coupled to a movable slide 22 in linear translation along a rectilinear guide comprising a recirculating ball screw 23 activated in the rotary sense by an electric motor 24 arranged axially on an end of the screw itself, said rectilinear guide being substantially parallel to the advancement direction of the film on said flat surface as it is unwound from the reel.
  • a respective tubular element 25 is mounted, which is solidly constrained to the frame and that can therefore translate in the linear sense together therewith through the activation of the motor 24 which moves the slide 22 on which it is applied.
  • tubular element 25 which is arranged according to a 45° angle with respect to the front wall of the machine, holes are advantageously made for the injection of compressed air in order to create a cushion that limits friction between the film and the metal of the folding device.
  • the lateral movements of the tubular element 25 which is movable together with the guide 20 determine the variation of the position of the film based on the type, shape and dimensions of the package to be created, allowing the format change through the activation of the motor 24 which automatically moves the guide bringing it to the optimal position with that determined format.
  • the movement of the tubular element 25 determines the centring and position of the film, which is arranged first on the folding bell 15 and then on the forming tube 12, at which it is folded in the tubular sense and sealed and cut to measure after the filling of the product to be packaged.
  • the linear translation movement of the triangular frame and the tubular element 25 therefore allows the automatic variation of the format of the film and its centring with respect to the forming tube 12, avoiding the manual controls that were necessary with systems of the prior art and reaching the objects of the present invention.
  • This solution as a whole also allows the operator to view the part of film that is normally screen printed on the whole length of the film unwinding device, visually checking if the printing position of any expiry date and any label are correct, solving the data control problems of traditional systems.
  • the adhesive tape that is normally used for joining the new reel of film is also glued in the external side of the bag, thus facilitating the identification and discarding of these packages.
  • Another advantage of this solution is comprised of the fact that the end stroke ring where the reel 14 rests on the unwinding shaft 16 never needs to be adjusted, also limiting in this case the mechanical adjustments to be performed by personnel.
  • a bracket is fixed, onto which a sensor 27 is coupled which constantly monitors any slippage of the film.
  • the sensor may be uncoupled from the old forming tube to be put onto the new one with an already correct position, hence preventing any mechanical adjustments.
  • the sensor 27 measures the new position and consequently reports to the computer which manages the system the need to move the tubular element 25 through the electrical motor 24 for compensating the slippage of the film.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (5)

  1. Vertikalverpackungsmaschine (10), umfassend ein Gestell mit einem im Wesentlichen viereckigen Grundriss, ein auf einer Seite des Gestells angebrachtes Formrohr (12) zum Herstellen einer Verpackung eines Produkts durch Verwendung eines sich kontinuierlich vorbewegenden Films (13), der durch eine Rolle (14) zugeführt wird, die auf einer Welle (16) angebracht und in einem Gehäuse angeordnet ist, das in einer Seite des Gestells vorgesehen ist, die jener, an der das Formrohr (12) angebracht ist, benachbart ist, wobei das Abwickeln des Films von der Rolle durch einen Motor (17) durchgeführt wird, der mit einer Vorrichtung zum Steuern des Abwickelns des Films (13) ausgestattet ist, wobei das Gestell ferner eine horizontale flache Oberfläche (21) umfasst, auf welcher der Film (13), wenn er von der Rolle abgewickelt wird, geführt wird und eine Richtungsänderung um 90° erfährt, wobei er dann in Richtung des Formrohres (12) gelenkt wird, dadurch gekennzeichnet, dass ein dreieckiger Rahmen (20), der auf der horizontalen flachen Oberfläche (21) des Gestells angeordnet ist, dazu ausgebildet ist, die Richtungsänderung des Films (13) um 90° durchzuführen, wobei eine erste Seite des dreieckigen Rahmens in einem Winkel von 45° in Bezug auf die jeweiligen Vorbewegungsrichtungen des Films, wenn dieser von der Rolle (14) abgewickelt wird bzw. in das Formrohr (12) eintritt, angeordnet ist, ein rohrförmiges Element (25) starr mit der ersten Seite verbunden und dazu ausgebildet ist, eine Richtungsänderung des Films um 90° durchzuführen, wobei das rohrförmige Element (25) eine Reihe von Löchern für das Einblasen von Druckluft umfasst, die dazu ausgebildet sind, ein Luftkissen zu erzeugen, welches die Reibung zwischen dem Film und dem rohrförmigen Element (25) in dem Kontaktbereich, wo die Richtungsänderung des Films (13) um 90° stattfindet, begrenzt, und wobei eine zweite Seite des Rahmens (20) mit einem Schlitten (22) verbunden ist, der dazu ausgebildet ist, sich durch Aktivierung eines Motors (24) linear entlang einer Bewegungsbahn (23) parallel zu der Vorbewegungsrichtung des Films (12) auf der horizontalen flachen Oberfläche (21), ehe die Richtungsänderung um 90° durch den dreieckigen Rahmen (20) stattfindet, zu bewegen, wobei die lineare Translation des rohrförmigen Elements (25) die Variation der Position des Films (13) basierend auf dem Typ, der Gestalt und den Abmessungen der in dem Formrohr (12) herzustellenden Verpackung bestimmt und das Zentrieren und das Positionieren des Films (13) an einer Faltglocke (15) bestimmt, die an dem Eingang zu dem Formrohr (12) angeordnet ist.
  2. Maschine (10) nach Anspruch 1, dadurch gekennzeichnet, dass sie ferner eine Rollenwechseleinheit umfasst, die auf dem Gestell stromab der Welle (16), auf der die Rolle (14) angebracht ist, angeordnet ist, wo entweder Filme, die zu zwei verschiedenen Rollen gehören, miteinander verbunden werden oder eine andere Rolle mit einem verglichen mit der vorhergehenden anderen Format auf der Welle angebracht wird.
  3. Maschine (10) nach Anspruch 2, dadurch gekennzeichnet, dass sie ferner eine Sammeleinheit (19) umfasst, die durch eine Reihe aus benachbarten Walzen gebildet wird, an deren Oberfläche der sich bewegende Film (13) geführt wird, wodurch ein Filmvorrat geschaffen wird, der erforderlich ist, um ein intermittierendes Vorbewegen des Films selbst in das Formrohr (12) zu ermöglichen.
  4. Maschine (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ferner eine Filmkennzeichnungseinheit umfasst.
  5. Maschine (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ferner eine Klammer umfasst, die mit einem Sensor (27) zum ständigen Überwachen von jeglichem Schlupf des Films versehen ist, wobei der Sensor mit einer elektronischen Steuerung verbunden ist, die ihrerseits die Abwickelgeschwindigkeit des Films von der Rolle steuert.
EP17726691.3A 2016-04-28 2017-04-18 Vertikale verpackungsmaschine Active EP3448762B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUA2016A002968A ITUA20162968A1 (it) 2016-04-28 2016-04-28 Confezionatrice verticale con sistema di svolgimento film agevolato
PCT/IB2017/052202 WO2017187294A1 (en) 2016-04-28 2017-04-18 A vertical packaging machine

Publications (2)

Publication Number Publication Date
EP3448762A1 EP3448762A1 (de) 2019-03-06
EP3448762B1 true EP3448762B1 (de) 2020-12-09

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EP17726691.3A Active EP3448762B1 (de) 2016-04-28 2017-04-18 Vertikale verpackungsmaschine

Country Status (5)

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US (1) US20190112089A1 (de)
EP (1) EP3448762B1 (de)
ES (1) ES2845973T3 (de)
IT (1) ITUA20162968A1 (de)
WO (1) WO2017187294A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020125981A1 (en) * 2018-12-19 2020-06-25 Cyborgline Sa Pasta packaging machine with rotated reel assembly
CN113195388B (zh) * 2018-12-21 2024-01-09 利乐拉瓦尔集团及财务有限公司 用于生产包装的方法和其系统
IT202100004106A1 (it) * 2021-02-23 2022-08-23 V Shapes S R L Unita’ di stampa per apparecchiatura di confezionamento, apparecchiatura e metodo per la produzione di una confezione sigillata monodose.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679116A (en) * 1971-02-01 1972-07-25 Eastman Kodak Co Web turning and guiding apparatus

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Publication number Priority date Publication date Assignee Title
EP0517928A4 (en) * 1990-12-28 1994-06-22 Ishida Scale Mfg Co Ltd Apparatus for detecting position of article to be fed
ITBO20020693A1 (it) * 2002-11-04 2004-05-05 Baumer Srl Sistema di macchina imballatrice, del tipo a manica,
DE102006037189A1 (de) * 2006-08-09 2008-02-14 Khs Ag Verfahren zum Durchführen eines Rollenwechsels bei einer Versorgungseinheit zum Zuführen eines bahnartigen Flachmaterials an eine Verpackungsmaschine oder dergleichen Verarbeitungsmaschine sowie Versorgungseinheit zum Durchführen dieses Verfahrens
US9254979B2 (en) * 2009-02-10 2016-02-09 Khs Gmbh Cutting-and-separating device
ES2481816T3 (es) * 2011-12-22 2014-07-31 Boato Pack S.R.L. A Socio Unico Máquina de llenado
EP2664554B1 (de) * 2012-05-14 2015-08-26 Ulma Packaging Technological Center, S. Coop Maschine und Verfahren zum vertikalen Verpacken
US10464701B2 (en) * 2013-03-15 2019-11-05 Mars, Incorporated Method and apparatus for performing multiple tasks on a web of material
EP2910482A1 (de) * 2014-02-21 2015-08-26 MULTIVAC Marking & Inspection GmbH & Co. KG Schlauchbeutelmaschine mit Etikettiervorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679116A (en) * 1971-02-01 1972-07-25 Eastman Kodak Co Web turning and guiding apparatus

Also Published As

Publication number Publication date
US20190112089A1 (en) 2019-04-18
ITUA20162968A1 (it) 2017-10-28
EP3448762A1 (de) 2019-03-06
ES2845973T3 (es) 2021-07-28
WO2017187294A1 (en) 2017-11-02

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