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EP4410692A1 - Appareil de formation d'emballages pour une machine d'emballage et machine d'emballage pour former des emballages remplis d'un produit versable - Google Patents

Appareil de formation d'emballages pour une machine d'emballage et machine d'emballage pour former des emballages remplis d'un produit versable Download PDF

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Publication number
EP4410692A1
EP4410692A1 EP24153895.8A EP24153895A EP4410692A1 EP 4410692 A1 EP4410692 A1 EP 4410692A1 EP 24153895 A EP24153895 A EP 24153895A EP 4410692 A1 EP4410692 A1 EP 4410692A1
Authority
EP
European Patent Office
Prior art keywords
operative
group
tube
forming apparatus
carrier
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.)
Pending
Application number
EP24153895.8A
Other languages
German (de)
English (en)
Inventor
Ivan Orsini
Fabio Ferrari
Marco Poppi
Stefano Andreotti
Fabrizio Rimondi
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP4410692A1 publication Critical patent/EP4410692A1/fr
Pending 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
    • 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
    • B65B9/2049—Package shaping devices acting on filled tubes prior to sealing the filling opening
    • 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
    • B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
    • 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
    • B65B9/2014—Tube advancing means
    • B65B9/2028—Rollers or belts
    • 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
    • B65B9/22—Forming shoulders; Tube formers

Definitions

  • the present invention relates to a package forming apparatus for a packaging machine for forming packages filled with a pourable product, preferentially a pourable food product.
  • the present invention also relates to a packaging machine for forming packages filled with a pourable product, preferentially a pourable food product.
  • liquid or pourable food products such as fruit juice, UHT (ultra-high-temperature treated) milk, wine, tomato sauce, etc.
  • UHT ultra-high-temperature treated milk
  • wine tomato sauce
  • etc. are sold in packages made of sterilized packaging material.
  • a typical example is the parallelepiped-shaped package for liquid or pourable food products known as Tetra Brik Aseptic (registered trademark), which is made by sealing and folding laminated strip packaging material.
  • the packaging material has a multilayer structure comprising a base layer, e.g. of paper, covered on both sides with layers of heat-seal plastic material, e.g. polyethylene.
  • the packaging material also comprises a layer of oxygen-barrier material (an oxygen-barrier layer), e.g. an aluminum foil, which is superimposed on a layer of heat-seal plastic material, and is in turn covered with another layer of heat-seal plastic material forming the inner face of the package eventually contacting the food product.
  • Packages of this sort are normally produced on fully automatic packaging machines, which advance a web of packaging material through a sterilization apparatus for sterilizing the web of packaging material at a sterilization station and to an isolation chamber (a closed and sterile environment) in which the sterilized web of packaging material is maintained and advanced.
  • an isolation chamber a closed and sterile environment
  • the web of packaging material is folded and sealed longitudinally at a tube forming station to form a tube having a longitudinal seam portion, the tube being further fed along a vertical advancing direction.
  • the tube is filled with a pourable product, in particular a pourable food product, and is transversally sealed and subsequently cut along equally spaced transversal cross sections within a package forming apparatus of the packaging machine during advancement along the vertical advancing direction.
  • a pourable product in particular a pourable food product
  • Pillow packages are so obtained, each pillow package having a longitudinal sealing band, a top transversal sealing band and a bottom transversal sealing band.
  • a typical packaging machine comprises a conveying device for advancing the web of packaging material along a web advancement path and the tube formed from the web of packaging material along a tube advancement path, the sterilization apparatus for sterilizing the web of packaging material prior to its formation into the tube, a tube forming and sealing device at least partially arranged within the isolation chamber and being configured to form the tube from the advancing web of packaging material and to longitudinally seal the tube, a filling device for filling the tube with the pourable product and the package forming apparatus adapted to form, transversally seal and cut individual packages from the tube of packaging material.
  • the package forming apparatus comprises at least one operative device having at least a first operative group and a second operative group configured to at least partially form and to transversally seal and cut in cooperation the, in use, advancing tube.
  • Each operative device comprises a respective shell assembly for at least partially forming the tube, the shell assembly being controllable between an operative configuration in which the shell assembly is configured to at least partially form the tube and an idle configuration in which the shell assembly is detached from the tube.
  • Each one of the respective first operative group and the second operative group comprises a respective half-shell, the half-shells being withdrawn from and approached to one another with the respective shell assembly being in, respectively, the idle configuration and the operative configuration.
  • Each operative device also comprises a carrier movably coupled to a support structure of the package forming apparatus and a hydraulic drive unit mounted to the carrier and being coupled to the respective shell assembly, in particular the respective half-shells, and being configured to move the respective shell assembly between the respective idle configuration and the respective operative configuration.
  • Number 1 indicates as a whole a packaging machine for producing sealed packages 2 of a pourable product, in particular a pourable food product, such as milk, milk drinks, yoghurt, yoghurt drinks, fruit juice, wine, tomato sauce, emulsions, beverages containing pulp, salt, sugar, etc.
  • a pourable food product such as milk, milk drinks, yoghurt, yoghurt drinks, fruit juice, wine, tomato sauce, emulsions, beverages containing pulp, salt, sugar, etc.
  • packaging machine 1 may be configured to produce packages 2 from a multilayer packaging material.
  • a multilayer packaging material having heat seal properties i.e. portions of the multilayer packaging material can be sealed to one another).
  • the multilayer packaging material may comprise at least one layer of fibrous material, such as e.g. paper or cardboard, and at least two layers of heat-seal plastic material, e.g. polyethylene, interposing the layer of fibrous material in between one another.
  • the multilayer packaging material may comprise at least one layer of fibrous material, such as e.g. paper or cardboard, and at least two layers of heat-seal plastic material, e.g. polyethylene, interposing the layer of fibrous material in between one another.
  • one of these two layers of heat-seal plastic material may define the inner face of packages 2 contacting the pourable product.
  • the multilayer packaging material may also comprise a layer of gas- and light-barrier material, e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film, preferentially being arranged between one of the layers of the heat-seal plastic material and the layer of fibrous material.
  • gas- and light-barrier material e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film
  • the packaging material may also comprise a further layer of heat-seal plastic material being interposed between the layer of gas- and light-barrier material and the layer of fibrous material.
  • the multilayer packaging material may be provided in the form of a web 3.
  • web 3 comprises successively arranged patterns, each pattern defining a final graphical pattern of the respective package 2.
  • packaging machine 1 operates, in use, such to guarantee that packages 2 comprise the respective pattern.
  • packaging machine 1 may be configured to produce packages 2 by forming a tube 4 from web 3, longitudinally sealing tube 4, filling tube 4 with the pourable product and to transversally seal, and preferentially transversally cut tube 4.
  • each package 2 may extend along a longitudinal axis A.
  • each package 2 may comprise at least a first transversal sealing band 5 arranged at a first end of package 2, and preferentially also a second transversal sealing band arranged at a second end of package 2 opposite to the first end.
  • each first transversal sealing band 5 may be substantially spaced apart from the respective second transversal sealing band along the respective longitudinal axis A.
  • each first transversal sealing band 5 may define a transversal top sealing band and each second transversal sealing band may define a transversal bottom sealing band.
  • each package 2 may also comprise a longitudinal seam portion 6.
  • each first transversal sealing band 5 and/or each second transversal sealing band may be transversal, preferentially perpendicular, to the respective longitudinal seam portion 6.
  • packaging machine 1 may comprise a package forming apparatus 10 configured to transversally seal, and preferentially to transversally cut tube 4 for obtaining semi-finalized packs, preferentially package pouches.
  • package forming apparatus 10 may also be configured to form tube 4.
  • package forming apparatus 10 may comprise an advancement space within which, in use, tube 4 advances.
  • packaging machine 1 may comprise a final folding apparatus configured to receive the semi-finalized packs from package forming apparatus 10 and to form packages 2 from the semi-finalized packs.
  • packaging machine 1 may also comprise:
  • packaging machine 1 may also comprise an isolation chamber 14, preferentially delimiting an inner environment 15 from an outer environment 16.
  • inner environment 15 may be a sterile environment, preferably containing a controlled atmosphere.
  • tube forming and sealing device 12 may be at least partially arranged within isolation chamber 14, in particular inner environment 15, and being configured to fold and longitudinally seal tube 4 within isolation chamber 14, in particular inner environment 15.
  • packaging machine 1 may also comprise a sterilization unit configured to sterilize the, in use, advancing web 3, preferentially the sterilization unit being arranged upstream of tube forming and sealing device 12 along web advancement path P.
  • conveying device 11 may be configured to advance tube 4 and any intermediates of tube 4 along tube advancement path Q, preferentially from tube forming and sealing device 12 to and/or at least partially within package forming apparatus 10.
  • any configuration of web 3 is meant prior to obtaining the tube structure and after folding of web 3 by tube forming and sealing device 12 has started.
  • the intermediates of tube 4 are a result of the gradual folding of web 3 so as to obtain tube 4, preferentially by overlapping the (longitudinal) edges of web 3 with one another.
  • tube forming and sealing device 12 may be arranged such that tube 4 may have a vertical orientation.
  • tube forming and sealing device 12 may comprise at least two forming ring assemblies 17, preferentially arranged within isolation chamber 14, even more preferentially arranged within inner environment 15, being configured to gradually fold in cooperation with one another web 3 into tube 4, preferentially by overlapping the edges of web 3 with one another. Thereby, in use, seam portion 6 of tube 4 may be formed.
  • tube forming and sealing device 12 may comprise a sealing head 18, preferentially arranged within isolation chamber 14, even more preferentially within inner environment 15, and configured to longitudinally seal tube 4, preferentially along longitudinal seam portion 6.
  • tube forming and sealing device 12 may also comprise a pressure assembly configured to exert a mechanical force on longitudinal seam portion to ensure sealing of tube 4 along longitudinal seam portion 6.
  • filling device 13 may comprise a filling pipe 19 being configured to direct, in use, the pourable product into tube 4.
  • filling pipe 19 may, in use, be at least partially placed within tube 4 for feeding, in use, the pourable product into tube 4.
  • package forming apparatus 10 may comprise one or more, preferentially a plurality of, operative devices 22, each one configured to at least partially form, preferentially, also to at least transversally seal and/or to transversally cut, tube 4.
  • package forming apparatus 10 may be configured to control each operative device 22 such to at least partially form tube and/or to transversally seal and transversally cut tube 4 along equally spaced transversal cross sections.
  • package forming apparatus 10 may comprise at least two operative devices 22, preferentially exactly two.
  • each operative device 22 may comprise at least a first operative group 23 and a second operative group 24 configured to cooperate with one another for at least partially forming, preferentially to also transversally sealing and/or transversally cutting, tube 4.
  • each first operative group 23 and the respective second operative group 24 may be movable with respect to one another, preferentially so as to move each first operative group 23 and the respective second operative group 24 towards and away from one another.
  • each operative device 22 may be controllable between an active configuration, in which the respective first operative group 23 and the respective second operative group 24 are approached to one another to at least partially form, preferentially to also transversally seal and/or to transversally cut, tube 4 and a rest configuration, in which the respective first operative group 23 and the respective second operative group 24 are withdrawn from one another.
  • package forming apparatus 10 may also comprise a conveying unit 25 configured to advance each first operative group 23 and each second operative group 24 along respective advancement paths.
  • each advancement path may comprise an operative portion along which the respective first operative group 23 and the respective second operative group 24 advance, in use, in a direction of advancement of tube 4 and a return portion along which each first operative group 23 and each second operative group 24 advance, in use, in a direction opposite to the direction of advancement of tube 4 so as to bring each first operative group 23 and each second operative group 24 back to the respective operative portion.
  • each operative device 22 may be controlled from the respective rest configuration to the respective active configuration during advancement of the respective first operative group 23 and the respective second operative group 24 along the respective operative portion, preferentially for at least partially forming, more preferentially for transversally sealing and/or transversally cutting, tube 4.
  • each operative device 22 may be controlled back to the respective rest configuration.
  • each first operative group 23 and the respective second operative group 24 may be moved towards one another.
  • each first operative group 23 and the respective second operative group 24 are withdrawn from one another.
  • package forming apparatus 10 may comprise a support structure 26 (only partially shown to the extent necessary for the comprehension of the present invention) movably carrying each operative device 22.
  • Support structure 26 may comprise one or more support assemblies 27, each one movably carrying one respective operative device 22.
  • package forming apparatus 10 may comprise two, preferentially exactly two, operative devices 22, and support structure 26 may comprise two, preferentially exactly two, support assemblies 27.
  • support assemblies 27 may be spaced apparat from one another. Even more preferentially, support assemblies 27 may be arranged such that, in use, the advancing tube 4 may be interposed between support assemblies 27. In other words, support assemblies 27 may define and/or delimit the advancement space through which, in use, tube 4 advances.
  • each support assembly 27 may comprise a respective first guide 28, preferentially having a linear shape, and a respective second guide (not shown), preferentially having a linear shape, spaced apart from the respective first guide 28.
  • support structure 26, more preferentially each support assembly 27, may extend along a respective longitudinal axis B.
  • each first guide 28 and each second guide may extend along a linear axis defining and/or being parallel to longitudinal axis B.
  • each first guide 28 and each second guide may present a vertical orientation.
  • each first guide 28 and the respective second guide may at least partially define the respective advancement path of the respective first operative group 23 and the respective advancement path of the respective second operative group 24.
  • each operative device 22 further comprises a carrier 30 movably coupled to support structure 26, preferentially to one respective support assembly 27.
  • each carrier 30 may be movably coupled to the respective first guide 28 and the respective second guide.
  • each first operative group 23 and the respective second operative group 24 may be carried by the respective carrier 30. More preferentially, movement of the respective carrier 30 induces also a movement of the respective operative device 22, preferably the respective first operative group 23 and the respective second operative group 24.
  • conveying unit 25 may be configured to move each operative device 22, preferentially each carrier 30, more preferentially the respective first operative group 23 and the respective second operative group 24, along a first advancement path.
  • conveying unit 25 may be configured to move each carrier 30 along, preferentially back and forth along, the respective first guide 28 and the respective second guide so as to move the respective first operative group 23 and the respective second operative group 24 along the respective advancement path.
  • each operative device 22 comprises a shell assembly 31 controllable between an operative configuration in which shell assembly 31 is configured to at least partially form tube 4 and an idle configuration in which shell assembly 31 is configured to be detached from tube 4.
  • each shell assembly 31 comprises two half-shells 32 configured to at least partially form in cooperation tube 4 with shell assembly 31 being in the respective operative configuration.
  • the respective two half-shells 32 of each shell assembly 31 may be configured to engage tube 4 from opposite sides thereof with shell assembly 31 being in the operative configuration.
  • each first operative group 23 comprises one of the respective half-shell 32 of the respective shell assembly 31 and the respective second operative group 24 comprises the other one of the respective half-shell 32 of the respective shell assembly 31.
  • each shell assembly 31 may be in the respective operative configuration and the respective idle configuration with the respective operative device 22 being in, respectively, the respective active configuration and the respective rest configuration.
  • the two half-shells 32 of each shell assembly 31 may be withdrawn from and approached to one another with the respective shell assembly 31 being in, respectively, the respective idle configuration and the respective operative configuration.
  • the respective half-shell 32 of the respective first operative group 23 and the respective half-shell 32 of the respective second operative group 24 may be, respectively, arranged in respective first positions and respective second positions.
  • the respective half-shell 31 of the respective first operative group 23 and the respective half-shell 32 of the respective second operative group 24 may be withdrawn from one another when being positioned in the respective first positions and approached to one another when being positioned in the respective second positions.
  • package forming apparatus 10 In order to control each shell assembly 31 between the respective idle configuration and the respective operative configuration, and preferentially the respective half-shells 32 between the respective first positions and the respective second positions, package forming apparatus 10 also comprises one or more drive units 37, each one configured to control at least one respective shell assembly 31 between the respective idle configuration and the respective operative configuration, and preferentially the respective half-shells 32 between the respective first positions and the respective second positions.
  • each drive unit 37 comprises:
  • Each drive group 39 is configured to move the respective drive mechanism 38 along a second advancement path parallel to the respective first advancement path and to induce a difference (i.e. to apply at least temporarily a first motion profile to the respective drive mechanism 38 and a second motion profile, different from the first motion profile, to the respective carrier 30) between the movement of carrier 30 and the movement of drive mechanism 38 so as to actuate a movement of the respective shell assembly 31 between the idle configuration and the operative configuration, preferentially of the respective half-shells 32 between the respective first positions and the respective second positions.
  • a difference i.e. to apply at least temporarily a first motion profile to the respective drive mechanism 38 and a second motion profile, different from the first motion profile, to the respective carrier 30
  • each drive group 39 may be configured to move the respective drive mechanism 38 along the second advancement path according to a motion profile different from a further motion profile according to which the respective carrier 30 is moved along the first advancement path.
  • the first motion profile of the respective drive mechanism 38 and the further motion profile of the respective carrier 30 may differ from one another due to the fact that the respective drive group 39 moves the respective drive mechanism 38 along the second advancement path with a speed different from a further speed with which the respective conveying unit 25 moves the respective carrier 30 along the first advancement path.
  • each drive mechanism 38 is associated to the respective carrier 30 and to the respective shell assembly 31, the respective drive group 39 must operate:
  • each current configuration may correspond to the respective idle configuration, the respective operative configuration or an intermediate configuration between the respective idle configuration and the respective operative configuration.
  • each drive group 39 may decelerate and accelerate the advancement of the respective drive mechanism 38 along the respective second advancement path with respect to the advancement of the respective carrier 30 along the respective first advancement path so as to actuate a movement of the respective shell assembly 31 between the respective idle configuration and the respective operative configuration.
  • conveying unit 25 may be configured to move each carrier 30, preferentially back and forth, along a first linear direction D1.
  • each drive group 39 may be configured to move the respective drive mechanism 38, preferentially back and forth, along a second linear direction D2 parallel to the respective first linear direction D1.
  • each drive mechanism 38 may comprises at least one control bar 40, preferentially at least two control bars 40, more preferentially exactly two control bars 40, operatively connected to the respective drive group 39 and to the respective shell-assembly 31.
  • the respective two control bars 40 may be parallel and adjacent to one another.
  • the respective drive group 39 may be configured to move the respective control bars 40 along the second advancement path, in particular so as to linearly move the respective control bars 40. More preferentially, the respective drive group 39 may be configured to induce a difference between the movement of the respective carrier 30 and the movement of the respective control bars 40 (i.e. to move the respective carrier 30 and the respective control bars 40 according to different motion profiles) so as to actuate a movement of the respective shell assembly 31 between the respective idle configuration and the respective operative configuration, in particular to move the respective shell assembly 31 in the respective idle configuration or the respective operative configuration.
  • the respective controls bars 40 move contemporaneously.
  • each control bar 40 may have a rectilinear shape.
  • control bars 40 of each drive mechanism 38 may be parallel to one another.
  • each carrier 30 may comprise a support housing 41 and the respective control bars 40 may be movably arranged within support housing 41. Preferentially, movement of each control bar 40 may be guided within the respective support housing 41.
  • each half-shell 32 may comprise a main plate 42 and two lateral plates 43 configured to engage tube 4 with the respective half-shell 32 being in the second position, i.e. with the respective shell assembly 31 being in the operative configuration.
  • each main plate 42 and/or the respective lateral plates 43 may be movable, preferentially angularly movable, so as to engage tube 4 with the respective half-shell 32 being in the respective second position and to be displaced from tube 4 with the respective half-shell 32 being in the respective first position.
  • each operative device 22 may comprise two control mechanisms 44, each one operatively coupled to the respective drive mechanism 38 and one respective half-shell 32.
  • the respective drive mechanism 38 being configured to actuate the respective control mechanism 44.
  • each control mechanism 44 may be connected to the respective main plate 42 and/or the respective lateral plates 43 and may be configured to actuate a movement of the respective main plate 42 and/or the respective lateral plates 43, in particular being controlled by the respective drive mechanism 38.
  • the respective control bars 40 of each drive mechanism 38 may be also coupled to the respective control mechanisms 44.
  • each drive group 39 may be configured to move the respective control bars 40 in dependence of the movement of the respective carrier 30 and to induce a difference in the movement of the respective control bars 40 with respect to the movement of the respective carrier 30 (i.e. to move the respective control bars 40 and the respective carrier 30 with different motion profiles) in order to actuate a movement of each of the respective two control mechanisms 44 so as to move the respective two half-shells 32 between the respective first positions and the respective second positions.
  • each control mechanism 44 may comprise a respective shaft 45 connected to the respective coupling bars 40 and being rotatable about a respective rotation axis.
  • each control mechanism 44 may comprise a respective lever assembly 46 connected to the respective shaft 45 and to the respective main plate 42 and the respective lateral plates 43 and being configured to move the respective main plate 42 and the respective lateral plates 43 upon an angular movement of the respective shaft 45 about the respective rotation axis.
  • each drive mechanism 38 may be operatively coupled to the respective shaft 45. More preferentially, in case that the respective control bars 40 execute a relative movement with respect to the respective support housing 41, an angular movement of the respective shaft 45 is actuated.
  • each drive mechanism 38 may comprise a support 47 connected to and/or carried by the respective control bars 40 and two coupling bars 48, each one hinged to support 47 and each one being operatively connected to one respective control mechanism 44, preferentially the respective shaft 45, and being configured to actuate the angular rotation of shaft 45 about the respective rotation axis.
  • each coupling bar 48 may have a boomerang-shape.
  • the respective coupling bars 48 rotate about respective hinge axes and actuate thereby the respective angular movements of the respective shafts 45.
  • each drive group 39 may comprise:
  • actuator bar 53 may be coupled to the respective control bars 40.
  • each drive mechanism 38 may comprise a coupling element 55 carrying the respective control bars 40 and being connected to the respective actuator bar 53.
  • actuator 54 may be configured to move endless belt 52 in a manner that the respective drive mechanism 38, preferentially the respective control bars 40, moves synchronously with respect to the respective carrier 30 in order to maintain the respective shell assembly 31 in the current configuration and to selectively move endless belt 52 in a manner that the respective drive mechanism 38, preferentially the respective control bars 40, moves asynchronously with respect to the respective carrier 30 in order to change the respective current configuration between the respective idle configuration and the respective operative configuration.
  • each actuator 54 may be, in use, arranged in a fixed position, i.e. actuator 54 does not move while the respective carrier 30 and/or the respective drive mechanism 38, preferentially the respective control bars 40, move.
  • each drive group 39 may comprise at least one driving pulley 56 connected to the respective actuator 54 and one or more auxiliary pulleys 57. Additionally, the respective endless belt 54 may be wound on the respective driving pulley 56 and the respective one or more auxiliary pulleys 57.
  • actuator 54 actuates an angular movement of the respective driving pulley 56, leading to a movement of the respective endless belt 52 along the respective belt advancement path.
  • the direction of advancement depends thereby on the rotation direction of the angular movement of the respective driving pulley 56. Movement of the respective endless belt 52 leads also to movement of the respective actuator bar 53.
  • each driving pulley 56 and each auxiliary pulley 57 may be, in use, arranged in a fixed position, i.e. each driving pulley 56 and each auxiliary pulley 57 do not move while the respective carrier 30 and/or the respective drive mechanism 38, preferentially the respective control bars 40, move.
  • each operative device 22 may comprise a first support portion 60 and a second support portion 61 mounted to the respective carrier 30 and being movable with respect to one another.
  • each first support portion 60 and each second support portion 61 may be movable, more preferentially angularly movable about a respective rotation axis, between a respective first position in which each first support portion 60 and the respective second support portion 61 may be withdrawn from one another, and a respective second position in which each first support portion 60 and the respective second support portion 61 may be approached to one another.
  • each first operative group 23 may be connected to the respective first support portion 60 and the respective second operative group 24 may be connected to the respective second support portion 61.
  • each first operative group 23 and the respective second operative group 24 may be connected to, respectively, the respective first support portion 60 and the respective second support portion 61 so as to move together with, respectively, the respective first support portion 60 and the respective second support portion 61.
  • first support portion 60 and the respective second support portion 61 being in, respectively, the respective first position and the respective second position, the respective first operative group 23 and the respective second operative group 24 may be, respectively, withdrawn from and approached to one another.
  • respective first support portion 60 and the respective second support portion 61 may be controlled in, respectively, the respective first position and the respective second position with the respective operative device 22 being controlled in the respective rest configuration and the respective operative configuration.
  • package forming unit 10 may comprise one or more actuation units 62, preferentially two, each one coupled to one respective first support portion 60 and the respective second support portion 61 and being configured to control the respective relative movement between the respective first support portion 60 and the respective second support portion 61, preferentially to move the respective first support portion 60 and the respective second support portion 61 between the respective first positions and the respective second positions.
  • conveying unit 25 may comprise a connecting bar 63 connected to carrier 30, a main endless belt 64 carrying connecting bar 63 and a respective main actuator 65, preferentially an electric motor, configured to move main endless belt 64 so as to move connecting bar 63 and the respective carrier 30.
  • main actuator 65 may be configured to move main endless belt 64 along a first advancement direction and a second advancement direction, opposite to the first advancement direction, so as to move carrier 30 back and forth along support structure 26, preferentially the respective first guide 28 and the respective second guide.
  • each operative device 22 may comprise one respective sealing element 66 and one respective counter-sealing element 67 configured to transversally seal tube 4.
  • one of the respective first operative group 23 and the second operative group 24 may comprise the respective sealing element 66 and the other one of the respective first operative group 23 and the respective second operative group 24 may comprise the respective counter-sealing element 67.
  • each sealing element 66 may be associated with the respective first operative group 23 and the respective counter-sealing element 67 may be associated with the respective second operative group 24.
  • each sealing element 66 and the respective counter-sealing element 67 may be configured to compress and to transversally seal in cooperation tube 4.
  • each sealing element 66 may comprise a source configured to generate the energy needed to obtain the sealing effect, in particular obtaining a heating of the packaging material.
  • sealing element 66 may be a sonotrode having ultrasound-emitters or sealing element 66 may have an electromagnetic induction source.
  • Each counter-sealing element 67 may be a passive element (i.e. not having an active source).
  • counter-sealing element 67 may be a metal anvil or a deformable pad.
  • each sealing element 66 and the respective counter-sealing element 67 may be approached to and withdrawn from one another with the respective first operative group 23 and the respective second operative group 24 being approached to and withdrawn from one another, respectively.
  • each operative device 22 may comprise at least one cutting assembly configured to transversally cut tube 4.
  • each cutting assembly may be configured to transversally cut tube 4 after sealing of tube 4 by means of the respective sealing element 66 and the respective counter-sealing element 67.
  • Each cutting assembly may comprise a cutting blade being associated with one of the respective first operative group 23 and the respective second operative group 24, preferentially with the respective second operative group 24.
  • packaging machine 1 produces packages 2 filled with the pourable product.
  • conveying device 11 advances web 3 along web advancement path P.
  • Tube forming and sealing device 12 forms tube 4 from the advancing web 3 and longitudinally seals tube 4.
  • filling device 13 fills tube 4 with the pourable product and package forming apparatus 10 at least partially forms, transversally seals and transversally cuts tube 4 so as to obtain packages 2.
  • operative devices 22 at least partially form tube 4, preferentially also transversally seal and preferentially cut tube 4.
  • each operative device 22 During operation of each operative device 22, the respective first operative group 23 and the respective second operative group 24 are cyclically moved towards and withdrawn from one another.
  • shell assemblies 31 are cyclically controlled between the respective idle configurations and operative configurations.
  • each carrier 30 is advanced along the respective first advancement path by the respective conveying unit 25 and the respective drive mechanism 38 is advanced along the respective second advancement path by the respective drive group 39.
  • the respective drive group 39 selectively controls movement of the respective drive mechanism 38 relative to the respective carrier 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP24153895.8A 2023-02-01 2024-01-25 Appareil de formation d'emballages pour une machine d'emballage et machine d'emballage pour former des emballages remplis d'un produit versable Pending EP4410692A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT202300001584 2023-02-01

Publications (1)

Publication Number Publication Date
EP4410692A1 true EP4410692A1 (fr) 2024-08-07

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ID=85792617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24153895.8A Pending EP4410692A1 (fr) 2023-02-01 2024-01-25 Appareil de formation d'emballages pour une machine d'emballage et machine d'emballage pour former des emballages remplis d'un produit versable

Country Status (3)

Country Link
EP (1) EP4410692A1 (fr)
CN (1) CN120641327A (fr)
WO (1) WO2024160640A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167502A1 (fr) * 2012-05-11 2013-11-14 Tetra Laval Holdings & Finance S.A. Unité d'emballage et procédé de production d'emballages scellés
CN108279639A (zh) * 2017-12-29 2018-07-13 广州市铭慧机械股份有限公司 一种电子凸轮成形系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167502A1 (fr) * 2012-05-11 2013-11-14 Tetra Laval Holdings & Finance S.A. Unité d'emballage et procédé de production d'emballages scellés
CN108279639A (zh) * 2017-12-29 2018-07-13 广州市铭慧机械股份有限公司 一种电子凸轮成形系统

Also Published As

Publication number Publication date
WO2024160640A1 (fr) 2024-08-08
CN120641327A (zh) 2025-09-12

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