EP0576058B1 - Installation pour le finissage des récipients flexibles dans un cycle continu - Google Patents

Installation pour le finissage des récipients flexibles dans un cycle continu Download PDF

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Publication number
EP0576058B1
EP0576058B1 EP93201541A EP93201541A EP0576058B1 EP 0576058 B1 EP0576058 B1 EP 0576058B1 EP 93201541 A EP93201541 A EP 93201541A EP 93201541 A EP93201541 A EP 93201541A EP 0576058 B1 EP0576058 B1 EP 0576058B1
Authority
EP
European Patent Office
Prior art keywords
containers
container
filling
sealing
wheel
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
EP93201541A
Other languages
German (de)
English (en)
Other versions
EP0576058A1 (fr
Inventor
Mario Ronchi
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.)
Ronchi Mario Srl
Original Assignee
Ronchi Mario 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 Ronchi Mario Srl filed Critical Ronchi Mario Srl
Publication of EP0576058A1 publication Critical patent/EP0576058A1/fr
Application granted granted Critical
Publication of EP0576058B1 publication Critical patent/EP0576058B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles

Definitions

  • the present invention relates to equipment for the finishing of the flexible containers in a continuous cycle.
  • the known art also includes automatic equipment capable of producing the said packets from a roll of plastic sheet material and of filling and hermetically sealing the packets thus produced, such equipment substantially consisting of a first unit for forming the packet and a second unit disposed in series with the first, in which the packet is filled and sealed; an example of this type of machine is described, for example, in patent application IT-68.032 A/90.
  • any significant increase in the speed of advance to compensate for the cycle time should be prevented: the abrupt accelerations and stops would cause the liquid to leak from the packet, resulting in an unacceptable increase in wasted production owing to the failure to maintain the guaranteed mean filling level.
  • the said means of capturing the containers consist of suction cups disposed at the extremities of radial arms movable linearly in a direction perpendicular to the lateral surfaces of the containers to enable said lateral surfaces to be captured and separated to create a filling aperture.
  • the said means of capturing and sealing the containers consist of jaws movable in both vertical directions for lowering and raising, and also in both horizontal directions for closing and re-opening of the jaws, said jaws being provided with resistances capable of heat-welding the top aperture of the container and with ducts for the passage of cooling liquid capable of cooling the container.
  • the equipment substantially consists of a unit 100 for forming a continuous strip 101 divided into individual containers 400, operating with a discontinuous step-by-step advance, and a machine 200 for filling and sealing the individual containers 400, operating with a continuous cycle as will be described in greater detail subsequently; a unit 300 for cutting the strip into individual containers and for synchronizing the feed of the said individual containers 400 to the finishing machine 200 is interposed between the unit 100 with discontinuous advance for the formation of the strip of containers and the machine 200 with a continuous cycle for finishing the said containers.
  • the unit 100 for forming the continuous strip 101 known in itself as regards its general characteristics and therefore described only with respect to its essential components, has a reel 102 for feeding a sheet 101 of plastic or like material which is unwound by a motor 102a with feedback control provided by means of a compensator 102b which accumulates and keeps in tension a certain quantity of film to ensure the correct feeding of the film to the subsequent processing stations.
  • the film passes through the station for bringing the strip into a vertical position; the strip is then half bent to form the two lateral flaps 101a and 101b of the container 400.
  • the film undergoes the bending of its base into a double "W" so that the base is prepared for the subsequent operations of sealing and cooling performed at corresponding stations 104 and 105 disposed in series along the path of the strip 101.
  • the strip 101 is fed, and drawn by the latter, to a unit 300 (Fig. 4) comprising a compensator 301 which is required to keep the strip 101 taut in its passage from the forming unit 100 to the machine for filling and sealing 200, while compensating for the different stage of advance of the strip 101 which in the example is to be transformed from the two-step advance of the forming unit 100 into a single-step advance for the subsequent cutting station 303 which is supplied by the step-by-step feed device 302 (Fig. 4).
  • the strip fed in this way by single steps corresponding to the width of each individual packet enables the strip 101 to be divided into individual containers 400 which are introduced into the machine for filling and sealing 200 through a synchronizing device 304 which sends the said containers 400 to the first wheel 201 of the machine 200 in which the continuous advance and processing cycle commences.
  • the machine for filling and sealing 200 has a driving mechanism 210 capable of imparting a continuous motion to the said first wheel 201, on which the filling of the container 400 takes place; to the star wheel 202 for conveying the container 400, which is filled but still open at its top, to the second wheel 203, on which the upper extremity of the container 400 is heat-welded and cooled; and to the star wheel 204 for discharging the finished container to the output conveyor 205.
  • the wheel 201 is mounted rotatably about a vertical axis consisting of a sleeve 201a inside which and coaxially with which is disposed the tube 201b for feeding the liquid to be metered and injected into the packets 400.
  • the air suction tube 201c which provides a pressure drop at the suction cups 201d disposed at the extremities of radial arms 201e which have the function of retaining the two lateral flaps 400a and 400b of the container 400, enabling them to be separated to form an upper aperture through which the metered liquid can be injected.
  • the said separation takes place by the symmetrical separation of the suction cups 201d as a result of a corresponding traversing movement executed by the movable supports 201f of the suction cups 201d.
  • the liquid is metered by metering devices 201g supplied through the duct 201b, which send the programmed dose to the injector 201h which injects the dose into the container 400 which is in the form of an open packet.
  • the pressure drop at the suction cups 201d is eliminated to leave the container 400 free to pass to the star wheel 202 and from this, after a corresponding rotation, to the second wheel 203, substantially like the wheel 201, on which the operations of sealing the container 400 are executed as described below.
  • the wheel 203 (Fig. 5c) rotates on a central shaft 203a coaxially with which is disposed, in an upper position, a second rotating mechanism formed by a central hub 203b from which branch radial arms 203c, on the free ends of which are disposed the heat-welding mechanisms, each of which comprises two jaws 203d mounted on guides which permits two-way movement either vertically, for lowering and raising, or horizontally, for closing and re-opening.
  • the jaws 203d are integral with an electrical resistance 203e and ducts 203f for the supply of a cooling liquid for a rapid cooling of the container after the sealing by heat-welding.
  • the following operations are executed simultaneously for each container: lowering of the jaws 203d, closing of the jaws with consequent closing of the lateral flaps 400a and 400b of the container, connection of the resistances 203e for the sealing of the container 400, circulation of cooling liquid for the cooling of the container, re-opening and raising of the jaws 203d which are then ready for another cycle, and passage of the finished container to the discharge star wheel 204.
  • the container 400 can then be sent to the output conveyor belt or the like.
  • the compensating device 301, synchronizing device 302 and cutting device 303 would he superfluous and could be removed or neutralized while keeping the configuration of the synchronizing device 304 unchanged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Closing Of Containers (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Package Closures (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (6)

  1. Installation pour le finissage de conteneurs (400) faits d'un matériau souple ou flexible, comprenant une machine d'alimentation en conteneurs (100, 500), une machine pour le remplissage et la fermeture hermétique (200), et une unité (304) pour la synchronisation de l'alimentation en conteneurs, dans laquelle ladite machine d'alimentation pour l'alimentation en conteneurs de ladite machine pour le remplissage et la fermeture hermétique est une unité (100) pour la production des conteneurs (400), ou un dispositif de charge (500) pour l'alimentation en conteneurs préformés (400), ladite machine pour le remplissage et la fermeture hermétique (200) comprenant au moins une première roue (201) pour l'avance rotative continue desdits conteneurs, ayant des moyens individuels pour la capture (201c, 201d) et le remplissage (201g, 201h) de chaque conteneur, lesdits moyens tournant en continu coaxialement et en synchronisation avec ladite avance de chaque conteneur sur ladite première roue (201),
       caractérisée en ce que,
       ladite machine pour le remplissage et la fermeture hermétique (200) comprend de plus au moins une seconde roue (203) pour l'avance rotative continue desdits conteneurs, ayant des moyens individuels pour la capture (203d), la fermeture hermétique (203e) et le refroidissement (203f) de chaque conteneur, lesdits moyens tournant en continu coaxialement et en synchronisation avec chaque conteneur à ladite seconde roue (203).
  2. Installation selon la revendication 1, caractérisée en ce que ladite machine pour le remplissage et la fermeture hermétique (200) comprend au moins une autre roue (202) pour le transport des conteneurs remplis depuis ladite première roue (201) jusqu'à ladite seconde roue (203).
  3. Installation selon la revendication 1, caractérisée en ce que lesdits moyens de capture des conteneurs tournant en synchronisation avec ladite première roue (201) consistent en des coupelles de succion (201d) disposées aux extrémités de bras radiaux (201f) qui sont mobiles linéairement dans une direction perpendiculaire aux surfaces latérales (400a, 400b) du conteneur pour permettre que lesdites surfaces latérales soient capturées et séparées pour créer une ouverture de remplissage.
  4. Installation selon la revendication 1, caractérisée en ce que lesdits moyens de capture et de fermeture hermétique des conteneurs consistent de préférence en des mâchoires (203d) mobiles dans les deux directions verticales pour l'abaissement et l'élévation, et aussi dans les deux directions horizontales pour la fermeture et la réouverture des mâchoires, lesdites mâchoires étant munies de résistances (203e) susceptibles de souder à la chaleur l'ouverture du sommet du conteneur et de conduits (203f) pour le passage d'un liquide réfrigérant capable de refroidir le conteneur.
  5. Installation selon la revendication 1, caractérisée en ce que lesdits moyens de remplissage comprennent un dispositif de mesure (201g) qui fournit la quantité programmée de liquide à un injecteur (201h) qui introduit à force la dose dans le conteneur.
  6. Installation selon la revendication 1, caractérisée en ce que la machine d'alimentation consiste en un dispositif de charge (500) pour l'alimentation en conteneurs préformés individuels.
EP93201541A 1992-06-05 1993-05-29 Installation pour le finissage des récipients flexibles dans un cycle continu Expired - Lifetime EP0576058B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI921409 1992-06-05
ITMI921409A IT1258953B (it) 1992-06-05 1992-06-05 Metodo e impianto per la produzione a ciclo discontinuo di contenitori flessibili e successivo confezionamento degli stessi a ciclo continuo

Publications (2)

Publication Number Publication Date
EP0576058A1 EP0576058A1 (fr) 1993-12-29
EP0576058B1 true EP0576058B1 (fr) 1998-02-04

Family

ID=11363471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93201541A Expired - Lifetime EP0576058B1 (fr) 1992-06-05 1993-05-29 Installation pour le finissage des récipients flexibles dans un cycle continu

Country Status (4)

Country Link
EP (1) EP0576058B1 (fr)
AT (1) ATE162988T1 (fr)
DE (1) DE69316793D1 (fr)
IT (1) IT1258953B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7162852B2 (en) 2002-08-06 2007-01-16 Krones Ag Device for filling stand-alone flat-bottom bags
DE102011101047A1 (de) * 2011-05-09 2012-11-15 Haver & Boecker Ohg Rotierbare Packmaschine und Verfahren zum Füllen von offenen Säcken
EP3764824B1 (fr) 2018-03-13 2022-08-10 G.D S.p.A. Unité de remplissage pour remplir une succession d'enveloppes tubulaires de l'industrie du tabac

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2170692C1 (ru) * 2000-06-06 2001-07-20 Ложников Александр Николаевич Установка для упаковки текучих продуктов в пакеты
ITBO20010477A1 (it) * 2001-07-26 2003-01-26 Weitek Ind Controls S R L Procedimento ed apparecchiatura per il riempimento dei sacchi
RU2469928C1 (ru) * 2011-05-31 2012-12-20 Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) Устройство для автоматического раскрытия, удержания и закрытия мешков

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234613B (de) * 1963-11-29 1967-02-16 Habra Werk Ott Kg Vorrichtung zum Herstellen gefuellter quaderfoermiger Beutel aus Papier mit heisssiegelfaehiger Beschichtung oder aus Kunststoffolien
US3478492A (en) * 1966-04-21 1969-11-18 Cloud Machine Corp Packaging machine
GB1200874A (en) * 1969-03-27 1970-08-05 Cloud Machine Corp Improvements in or relating to the manufacture of sealed packages from strip stock
US4353198A (en) * 1979-12-21 1982-10-12 Koppe Robert G Pouch forming and filling apparatus
BR8008271A (pt) * 1980-12-17 1982-08-24 Zupack Gmbh Maquina para produzir,encher e fechar embalagens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7162852B2 (en) 2002-08-06 2007-01-16 Krones Ag Device for filling stand-alone flat-bottom bags
DE10235929B4 (de) * 2002-08-06 2009-03-19 Krones Ag Vorrichtung zum Befüllen von Standbodenbeuteln
DE10235929C5 (de) * 2002-08-06 2011-01-20 Krones Ag Vorrichtung zum Befüllen von Standbodenbeuteln
DE102011101047A1 (de) * 2011-05-09 2012-11-15 Haver & Boecker Ohg Rotierbare Packmaschine und Verfahren zum Füllen von offenen Säcken
EP3764824B1 (fr) 2018-03-13 2022-08-10 G.D S.p.A. Unité de remplissage pour remplir une succession d'enveloppes tubulaires de l'industrie du tabac

Also Published As

Publication number Publication date
EP0576058A1 (fr) 1993-12-29
ITMI921409A0 (it) 1992-06-05
IT1258953B (it) 1996-03-11
ITMI921409A1 (it) 1993-12-05
DE69316793D1 (de) 1998-03-12
ATE162988T1 (de) 1998-02-15

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