EP1806290A1 - Packaging machine - Google Patents
Packaging machine Download PDFInfo
- Publication number
- EP1806290A1 EP1806290A1 EP07008157A EP07008157A EP1806290A1 EP 1806290 A1 EP1806290 A1 EP 1806290A1 EP 07008157 A EP07008157 A EP 07008157A EP 07008157 A EP07008157 A EP 07008157A EP 1806290 A1 EP1806290 A1 EP 1806290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- perforation
- unit
- tool
- film
- lidding
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 44
- 238000012856 packing Methods 0.000 claims abstract description 15
- 239000011888 foil Substances 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 33
- 238000005520 cutting process Methods 0.000 claims description 19
- 239000013039 cover film Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 235000013305 food Nutrition 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000003856 thermoforming Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 244000003416 Asparagus officinalis Species 0.000 description 2
- 235000005340 Asparagus officinalis Nutrition 0.000 description 2
- 241000208822 Lactuca Species 0.000 description 2
- 235000003228 Lactuca sativa Nutrition 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009461 vacuum packaging Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000004344 EU approved packaging gas Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940117927 ethylene oxide Drugs 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/02—Packaging agricultural or horticultural products
- B65B25/04—Packaging fruit or vegetables
- B65B25/041—Packaging fruit or vegetables combined with their conservation
-
- 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
- B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
Definitions
- the invention relates to a packaging machine according to the preamble of claim 1.
- ethylene accelerates the maturation process and thus shortens the shelf life.
- carbon dioxide causes undesirable fermentation processes and thus also counteracts the shelf life.
- Desirable for a good durability of such packaged goods is a constant as possible oxygen content in the atmosphere inside the packs of about 5% with removal of undesirable gases such as carbon dioxide and ethylene.
- lidding films in such packaging machines are usually obtained in supply rolls from the operator of the packaging machine at the film suppliers.
- the operator of the packaging machine can accordingly insert a corresponding roll with perforated film, which is subsequently applied to the packaging as a cover film.
- the object of the invention is therefore to propose a packaging machine in which these disadvantages are at least partially eliminated.
- a packaging machine is characterized in that a mechanically operating perforation unit is provided for perforating the cover film prior to connection to the packaging to be closed.
- the perforation is in this case applied in the film area which, when closing and sealing the packages in the area of the packaged goods, i. in the case of shell sealing machines or so-called thermoforming machines above the packing troughs is arranged.
- a selectively permeable cover film also results in the sealed state of the packs and thus the effects desired according to the invention.
- An upgrade of such a packaging machine from dense lid film to permeable lid film is also without changing the film supply, i. the film roll, readily by changing the operating mode of the packaging machine possible.
- a mechanical perforation unit may, for example, comprise a perforation roller which is unrolled on the film to be perforated. Such a roller may be provided with needles or the like projections which attach the desired openings in the cover sheet. Such a perforation unit represents a particularly simple and reliable embodiment.
- Another, more flexibly usable perforation unit comprises a perforation tool whose working position is adjustable or which can be positioned by means of a controllable positioning unit.
- differently perforated lidding sheets can be made from the same perforating unit by changing the operating mode.
- a freely programmable positioning unit is preferably used for the perforation tool, so that changes in the type of perforation can be achieved by a mere software conversion.
- both the number of perforation openings and their arrangement can be selected almost freely and so need-based lidding films of different types are produced.
- Such a positioning unit can be realized for example by means of Linearverstelleinrance, eg in an xy-coordinate arrangement.
- all types of robotic systems for example, gantry robot or Einarmroboter, etc. can be used.
- Essential is the freely selectable positioning of the intended perforation tool in the region of the lid film to be perforated.
- a perforation tool which is variable with regard to the size and / or shape of the perforation openings is also provided. This makes it possible to vary not only the number and arrangement of the perforation openings, but also the size and shape, so that the desired permeability properties are flexible to install in the cover sheet.
- a perforation tool can in turn be used in a simple embodiment variant, a mechanical tool, such as a cutting or piercing tool. amendments in the opening size or shape can be made for example by the penetration depth or cut.
- Another advantageous embodiment of the invention is to use a tool which has a fluid jet, e.g. can produce a jet of water which is directed with sufficient energy on the cover sheet to pierce them.
- a tool with the aid of a fluid jet, in particular a water jet in particular offers the possibility of mounting extremely small perforation openings, wherein the actual perforation process can still be carried out mechanically and without material changes in the region of the perforation opening.
- the use of water offers particular advantages in the field of food packaging, since water itself is a foodstuff and can therefore also be safely used in the processing of food packaging.
- a suction unit is provided in order to suck off evaporating material and thus to prevent contamination of the atmosphere in the region of the cover film and in particular also in the region of the packages to be sealed.
- a cooling unit can also be advantageously used in this area in order, on the one hand, to limit the extent of such evaporation and to prevent evaporated material from spreading by condensation.
- perforation tool it is particularly useful in the field of food packaging to provide an additional cleaning unit to the perforated lid film after the perforation process before it is used as a lidding film on the packaging. In this way it can be prevented that manufacturing processes adversely affect the required cleanliness of the environment of the food.
- a further advantageous use of a perforation unit according to the invention or of parts of such a perforation unit results in a certain type of packaging machines, in which a plurality of packages are made contiguous, filled, sealed and only then separated into individual packages in a cutting station.
- This type of packaging machines are often referred to as so-called thermoforming machines.
- the packagings produced in one piece can be provided in individual rows and / or columns or tracks.
- the cutting station is located in the exit area of this packaging machine and usually comprises two blade units, one in the longitudinal direction of the individual columns or tracks and possibly also separates outer edge strips, while a blade unit in the transverse direction, the individual rows cut.
- These cutting units are adapted in the known construction to a specific format of the packages and to the arrangement of the contiguously produced packages.
- at Format changes must be replaced at least a portion of the cutting units in a changeover process. Rounded cuts or the like can be achieved with such cutting units only with correspondingly elaborate cutting tools.
- a controllable, variable-size cutting unit could avoid such disadvantages.
- a variable-format controllable and in particular freely programmable cutting unit could be constructed similar to a perforation unit described above.
- the cutting tool can work with the same functional principle as the perforation tool.
- the use of a positionable blade, a fluid jet or a laser If such a variable-size cutting unit is provided in combination with a perforation unit according to the invention, the same components, e.g. the same control can be used, resulting in a significant reduction of the effort.
- the same base unit with pressure pump, etc. are provided for the fluid supply of two tools.
- the positioning units for both tools can be selected identically, which reduces the cost of acquisition and operation.
- the operation of the perforation tool (s) and of the cutting tool (s) via common components can either be alternating cyclically or in parallel.
- thermoforming machines could also allow the use of a correspondingly smaller dimensioned base component, for example a smaller fluid supply unit, given a corresponding alternating operation of the cutting unit and perforation unit.
- the single FIGURE shows a schematic perspective view of a packaging machine according to the invention.
- the packaging machine 1 represents a so-called thermoforming machine, which pulls off a film roll 2, the so-called lower web or trough film 3.
- the trough film 3 is formed in a mold 4 under heat and optionally also pressure to packing troughs 5.
- the packing troughs 5 are filled manually or automatically with packaged goods 7 in a filling section 6.
- a cover sheet 8 is withdrawn from a supply roll 9 and placed as a lid on the packing wells 5.
- the cover sheet 8 is connected to the packing trough 5 and sealed.
- a cutting unit 11 individual packs produced in the previous production process are separated into individual packs.
- the lid film 8 After removal from the film roll 9, the lid film 8 is passed through a perforation unit 12.
- the cover sheet 8 In this perforation unit 12 is not shown in detail, the cover sheet 8 in the desired manner, for example, with a certain number and distribution of Perforations openings in the order of 20 to 50 p provided.
- Such a perforated lidding film is capable of allowing any carbon dioxide and ethylene produced in the closed packings to pass to the outside environment and at the same time to ensure an oxygen feed into the interior of the pack. This results in particular in the packaging of vegetable foods such as vegetables, lettuce, fruit or the like improved durability. Especially in the packaging of asparagus, such a lidding film has proven to be advantageous.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Packages (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
Es wird eine Verpackungsmaschine zum Herstellen von Packungen aus mit Packgut gefüllten, muldenförmigen Verpackungen mit einer Einheit zum Anbringen einer Deckelfolie auf mit Packgut gefüllten Packungsmulden vorgeschlagen, bei der durch Verwendung perforierter Folienarten für die Deckelfolie entstehende Aufwand verringert wird. Dies wird erfindungsgemäß dadurch erreicht, dass eine mechanische Perforationseinheit (12) zum Perforieren der Deckelfolie (8) vor der Verbindung mit den Packungsmulden (5) vorgesehen ist.A packaging machine is proposed for producing packs of packaged goods, trough-shaped packagings having a unit for attaching a lid foil to pack cavities filled with packaged goods, in which the expense arising from the use of perforated types of foils for the lid foil is reduced. This is inventively achieved in that a mechanical perforation unit (12) for perforating the lid film (8) is provided prior to connection to the packing troughs (5).
Description
Die Erfindung betrifft eine Verpackungsmaschine nach dem Oberbegriff des Anspruchs 1.The invention relates to a packaging machine according to the preamble of claim 1.
Zur Herstellung von Packungen durch Verpacken von Packgut in Verpackungen sind bereits Maschinen im Handel erhältlich, bei denen muldenförmige, mit Packgut gefüllte Verpackungen mit einer Deckelfolie geschlossen und versiegelt werden. Auf diese Weise lassen sich beispielsweise Vakuumverpackungen oder Packungen mit Inertgasfüllung verwirklichen.For the production of packages by packaging of packaged goods in packaging machines are already available in the market, in which trough-shaped, filled with packaged packaging with a lidding foil closed and sealed. In this way, for example, vacuum packaging or packings can be realized with inert gas filling.
Mit der Druckschrift
Bei der Verpackung bestimmter Lebensmittel, beispielsweise von Obst und Gemüse wie Spargel, Salat oder dergleichen haben geschlossene Verpackungen den Nachteil, dass beim Reifeprozess in der Verpackung Gase, insbesondere Ethylen und Kohlendioxid entstehen, die die Haltbarkeit beeinträchtigen.When packaging certain foods, such as fruits and vegetables such as asparagus, lettuce or the like closed packaging have the disadvantage that the maturation process in the packaging gases, especially ethylene and carbon dioxide, which affect the durability.
Insbesondere Ethylen beschleunigt den Reifungsvorgang und verkürzt demnach die Haltbarkeit. Kohlendioxid verursacht unter anderem unerwünschte Gärungsprozesse und wirkt somit auch der Haltbarkeit entgegen. Wünschenswert für eine gute Haltbarkeit von derartigem Packgut ist ein möglichst gleichbleibender Sauerstoffgehalt in der Atmosphäre im Inneren der Packungen von ungefähr 5 % unter Entfernung unerwünschter Gase wie Kohlendioxid und Ethylen.In particular, ethylene accelerates the maturation process and thus shortens the shelf life. Among other things, carbon dioxide causes undesirable fermentation processes and thus also counteracts the shelf life. Desirable for a good durability of such packaged goods is a constant as possible oxygen content in the atmosphere inside the packs of about 5% with removal of undesirable gases such as carbon dioxide and ethylene.
Zu diesem Zweck ist man dazu übergegangen, entsprechend perforierte Folien zu verwenden. Die Deckelfolien bei solchen Verpackungsmaschinen werden üblicherweise in Vorratsrollen von dem Betreiber der Verpackungsmaschine bei den Folienanbietern bezogen. Zur Herstellung einer Verpackung mit selektiv permeabler Deckelfolie kann demnach der Betreiber der Verpackungsmaschine eine entsprechende Rolle mit perforierter Folie einlegen, die als Deckelfolie anschließend auf die Verpackung aufgebracht wird.For this purpose, one has begun to use corresponding perforated films. The lidding films in such packaging machines are usually obtained in supply rolls from the operator of the packaging machine at the film suppliers. For the production of a packaging with a selectively permeable cover film, the operator of the packaging machine can accordingly insert a corresponding roll with perforated film, which is subsequently applied to the packaging as a cover film.
Diese Vorgehensweise ist sehr aufwändig. Einerseits muss ein Folienhersteller unterschiedliche Arten von Folien herstellen und lagern. Auf der anderen Seite muss der Betreiber der Verpackungsmaschine die unterschiedlichen, teilweise sehr kostenträchtigen Folienarten beziehen und gegebenenfalls bevorraten. Ein Wechsel der Verpackungsart bei einer Änderung des zu verpackenden Packguts bedingt zugleich stets auch eine Umrüstung mit einer passenden Deckelfolie.This procedure is very complicated. On the one hand, a film manufacturer must produce and store different types of films. On the other hand, the operator of the packaging machine must purchase the different, sometimes very expensive types of foil and store them if necessary. A change of the type of packaging with a change in the packaged goods to be packaged at the same time always requires a conversion with a matching lidding film.
Aufgabe der Erfindung ist es daher, eine Verpackungsmaschine vorzuschlagen, bei der diese Nachteile zumindest teilweise entfallen.The object of the invention is therefore to propose a packaging machine in which these disadvantages are at least partially eliminated.
Diese Aufgabe wird ausgehend von einer Verpackungsmaschine gemäß dem Oberbegriff des Anspruchs 1 durch dessen kennzeichnende Merkmale gelöst.This object is achieved on the basis of a packaging machine according to the preamble of claim 1 by its characterizing features.
Durch die in den Unteransprüchen genannten Maßnahmen sind vorteilhafte Ausführungen und Weiterbildungen der Erfindung möglich.The measures mentioned in the dependent claims advantageous embodiments and developments of the invention are possible.
Dementsprechend zeichnet sich eine erfindungsgemäße Verpackungsmaschine dadurch aus, dass eine mechanisch arbeitende Perforationseinheit zum Perforieren der Deckelfolie vor der Verbindung mit den zu schließenden Verpackungen vorgesehen ist. Die Perforation wird dabei in dem Folienbereich angebracht, der beim Schließen und Versiegeln der Verpackungen im Bereich des Packguts, d.h. im Falle von Schalenversiegelungsmaschinen oder sogenannten Tiefziehmaschinen oberhalb der Packungsmulden angeordnet wird. Dadurch ergibt sich bei einer derart perforierten Folie eine selektivpermeable Deckelfolie auch im versiegelten Zustand der Packungen und somit die erfindungsgemäß gewünschten Wirkungen.Accordingly, a packaging machine according to the invention is characterized in that a mechanically operating perforation unit is provided for perforating the cover film prior to connection to the packaging to be closed. The perforation is in this case applied in the film area which, when closing and sealing the packages in the area of the packaged goods, i. in the case of shell sealing machines or so-called thermoforming machines above the packing troughs is arranged. As a result, in the case of such a perforated film, a selectively permeable cover film also results in the sealed state of the packs and thus the effects desired according to the invention.
Auf diese Weise ist es möglich, die gleiche Deckelfolie, die bislang für dicht zu versiegelnde Verpackungen verwendet wurde, auch zum Herstellen von selektiv permeablen Membranen zu verwenden. Dadurch entfällt die separate Anschaffung und auch eine Bevorratung perforierter Folien.In this way it is possible to use the same lidding film previously used for tightly sealed packages also for making selectively permeable membranes. This eliminates the separate purchase and also a storage of perforated films.
Eine Umrüstung einer solchen Verpackungsmaschine von dichter Deckelfolie zu permeabler Deckelfolie ist zudem ohne Wechsel des Folienvorrats, d.h. der Folienrolle, ohne weiteres durch Änderung des Betriebsmodus der Verpackungsmaschine möglich.An upgrade of such a packaging machine from dense lid film to permeable lid film is also without changing the film supply, i. the film roll, readily by changing the operating mode of the packaging machine possible.
Eine mechanische Perforationseinheit kann beispielsweise eine Perforationswalze umfassen, die auf der zu perforierenden Folie abgerollt wird. Eine solche Walze kann mit Nadeln oder dergleichen Vorsprünge versehen sein, die die gewünschten Öffnungen in der Deckelfolie anbringt. Eine solche Perforationseinheit stellt eine besonders einfache und zuverlässige Ausführungsform dar.A mechanical perforation unit may, for example, comprise a perforation roller which is unrolled on the film to be perforated. Such a roller may be provided with needles or the like projections which attach the desired openings in the cover sheet. Such a perforation unit represents a particularly simple and reliable embodiment.
Eine andere, flexibler einsetzbare Perforationseinheit umfasst ein Perforationswerkzeug, dessen Arbeitsort verstellbar oder das mittels einer steuerbaren Positioniereinheit positionierbar ist. In dieser Ausführungsform können unterschiedlich perforierte Deckelfolien von der gleichen Perforationseinheit durch Änderung des Betriebsmodus hergestellt werden. Bevorzugt wird hierbei eine frei programmierbare Positioniereinheit für das Perforationswerkzeug verwendet, so dass Änderungen in der Art der Perforation durch eine reine Softwareumstellung zu erreichen sind. Dabei können sowohl die Anzahl der Perforationsöffnungen sowie deren Anordnung nahezu frei gewählt und so bedarfsgerechte Deckelfolien unterschiedlicher Art hergestellt werden.
Eine solche Positioniereinheit kann beispielsweise mittels Linearverstelleinheiten, z.B. in einer xy-Koordinatenanordnung realisiert werden. Für diese Anwendung könne jedoch auch alle Arten von Robotersystemen, beispielsweise auch Portalroboter oder Einarmroboter, usw. Verwendung finden. Wesentlich ist die frei wählbare Positionierung des vorgesehenen Perforationswerkzeuges im Bereich der zu perforierenden Deckelfolie.Another, more flexibly usable perforation unit comprises a perforation tool whose working position is adjustable or which can be positioned by means of a controllable positioning unit. In this embodiment, differently perforated lidding sheets can be made from the same perforating unit by changing the operating mode. In this case, a freely programmable positioning unit is preferably used for the perforation tool, so that changes in the type of perforation can be achieved by a mere software conversion. In this case, both the number of perforation openings and their arrangement can be selected almost freely and so need-based lidding films of different types are produced.
Such a positioning unit can be realized for example by means of Linearverstelleinheiten, eg in an xy-coordinate arrangement. For this application, however, all types of robotic systems, for example, gantry robot or Einarmroboter, etc. can be used. Essential is the freely selectable positioning of the intended perforation tool in the region of the lid film to be perforated.
In einer Weiterbildung der Erfindung wird zudem ein hinsichtlich der Größe und/oder Form der Perforationsöffnungen variables Perforationswerkzeug vorgesehen. Hierdurch ist es möglich, nicht nur die Anzahl und Anordnung der Perforationsöffnungen zu variieren, sondern auch die Größe und Form, so dass die gewünschten Permeabilitätseigenschaften in der Deckelfolie flexibel anzubringen sind.In a development of the invention, a perforation tool which is variable with regard to the size and / or shape of the perforation openings is also provided. This makes it possible to vary not only the number and arrangement of the perforation openings, but also the size and shape, so that the desired permeability properties are flexible to install in the cover sheet.
Als Perforationswerkzeug kann in einer einfachen Ausführungsvariante wiederum ein mechanisches Werkzeug, z.B. ein Schneid- oder Stechwerkzeug Verwendung finden. Änderungen in der Öffnungsgröße oder -form können dabei beispielsweise durch die Eindringtiefe oder Schnittführung vorgenommen werden.As a perforation tool can in turn be used in a simple embodiment variant, a mechanical tool, such as a cutting or piercing tool. amendments in the opening size or shape can be made for example by the penetration depth or cut.
Eine anderen vorteilhafte Ausführungsform der Erfindung besteht darin, ein Werkzeug zu verwenden, das eine Fluidstrahl, z.B. einen Wasserstrahl erzeugen kann, der mit einer ausreichenden Energie auf die Deckelfolie gerichtet wird, um diese zu durchstoßen. Ein solches Werkzeug unter Zuhilfenahme eines Fluidstrahls, insbesondere Wasserstrahls bietet insbesondere die Möglichkeit, extrem kleine Perforationsöffnungen anzubringen, wobei der eigentliche Perforationsvorgang nach wie vor mechanisch und ohne Materialveränderungen im Bereich der Perforationsöffnung durchführbar ist. Die Verwendung von Wasser bietet darüber hinaus im Bereich der Nahrungsmittelverpackung besondere Vorteile, da Wasser selbst ein Nahrungsmittel ist und somit auch im Bereich der Bearbeitung von Nahrungsmittelverpackungen unbedenklich eingesetzt werden kann.Another advantageous embodiment of the invention is to use a tool which has a fluid jet, e.g. can produce a jet of water which is directed with sufficient energy on the cover sheet to pierce them. Such a tool with the aid of a fluid jet, in particular a water jet, in particular offers the possibility of mounting extremely small perforation openings, wherein the actual perforation process can still be carried out mechanically and without material changes in the region of the perforation opening. Moreover, the use of water offers particular advantages in the field of food packaging, since water itself is a foodstuff and can therefore also be safely used in the processing of food packaging.
In einer bestimmten Ausführungsform der Erfindung wird daher eine Absaugeinheit vorgesehen, um abdampfendes Material abzusaugen und somit eine Kontamination der Atmosphäre im Bereich der Deckelfolie und insbesondere auch im Bereich der zu verschließenden Verpackungen zu verhindern.In a specific embodiment of the invention, therefore, a suction unit is provided in order to suck off evaporating material and thus to prevent contamination of the atmosphere in the region of the cover film and in particular also in the region of the packages to be sealed.
Auch eine Kühleinheit kann in diesem Bereich vorteilhaft eingesetzt werden, um zum einen das Ausmaß derartiger Verdampfung zu begrenzen und verdampftes Material durch Kondensation an der Ausbreitung zu hindern.A cooling unit can also be advantageously used in this area in order, on the one hand, to limit the extent of such evaporation and to prevent evaporated material from spreading by condensation.
Unabhängig von der Art des Perforationswerkzeuges ist es vor allem im Bereich der Nahrungsmittelverpackungen sinnvoll, eine zusätzliche Reinigungseinheit vorzusehen, um die perforierte Deckelfolie nach dem Perforationsvorgang zu reinigen, bevor sie als Deckelfolie auf der Verpackung verwendet wird. Auf diese Weise kann verhindert werden, dass Herstellungsprozesse sich nachteilig auf die erforderliche Reinhaltung der Umgebung der Nahrungsmittel auswirkt.Regardless of the type of perforation tool, it is particularly useful in the field of food packaging to provide an additional cleaning unit to the perforated lid film after the perforation process before it is used as a lidding film on the packaging. In this way it can be prevented that manufacturing processes adversely affect the required cleanliness of the environment of the food.
Neben den oben angeführten konkreten Ausführungen zur Verwirklichung einer Verpackungsmaschine mit Perforationseinheit sind alle Arten von Perforationsmöglichkeiten erfindungsgemäß verwendbar. Wesentlich ist die Integration der Perforationseinheit in die Verpackungsmaschine, um unterschiedliche Deckelfolien ausgehend von einem Ausgangsmaterial für unterschiedliche Verpackungsarten unmittelbar in der Verpackungsmaschine herstellen zu können.In addition to the above-mentioned specific embodiments for the realization of a packaging machine with perforation unit all types of Perforationsmöglichkeiten are used in the invention. The integration of the perforation unit into the packaging machine is essential in order to be able to produce different lid films directly from a starting material for different types of packaging directly in the packaging machine.
Eine weitere vorteilhafte Nutzung einer erfindungsgemäßen Perforationseinheit bzw. von Teilen einer solchen Perforationseinheit ergibt sich bei einer bestimmten Art von Verpackungsmaschinen, bei denen eine Mehrzahl von Verpackungen zusammenhängend hergestellt, gefüllt, versiegelt und erst danach in einer Schneidstation in einzelne Verpackungen getrennt werden. Diese Art von Verpackungsmaschinen werden häufig als sogenannten Tiefziehmaschinen bezeichnet. Die zusammenhängend am Stück hergestellten Verpackungen können dabei in einzelnen Reihen und/oder Spalten bzw. Spuren bereitgestellt werden. Die Schneidstation befindet sich im Ausgangsbereich dieser Verpackungsmaschine und umfasst in der Regel zwei Messereinheiten, eine die in Längsrichtung die einzelnen Spalten oder Spuren und gegebenenfalls auch äußere Randstreifen trennt, während eine Messereinheit in Querrichtung die einzelnen Reihen ausschneidet.A further advantageous use of a perforation unit according to the invention or of parts of such a perforation unit results in a certain type of packaging machines, in which a plurality of packages are made contiguous, filled, sealed and only then separated into individual packages in a cutting station. This type of packaging machines are often referred to as so-called thermoforming machines. The packagings produced in one piece can be provided in individual rows and / or columns or tracks. The cutting station is located in the exit area of this packaging machine and usually comprises two blade units, one in the longitudinal direction of the individual columns or tracks and possibly also separates outer edge strips, while a blade unit in the transverse direction, the individual rows cut.
Diese Schneideinheiten sind in der bekannten Bauweise an ein bestimmtes Format der Packungen und an die Anordnung der zusammenhängend hergestellten Packungen angepasst. Bei Formatänderungen muss wenigstens ein Teil der Schneideinheiten in einem Umrüstvorgang ausgetauscht werden. Abgerundete Schnitte oder dergleichen sind mit solchen Schneideinheiten nur mit entsprechend aufwändigen Schneidwerkzeugen zu erzielen.These cutting units are adapted in the known construction to a specific format of the packages and to the arrangement of the contiguously produced packages. at Format changes must be replaced at least a portion of the cutting units in a changeover process. Rounded cuts or the like can be achieved with such cutting units only with correspondingly elaborate cutting tools.
Eine ansteuerbare, formatvariable Schneideinheit könnte derartige Nachteile vermeiden. Eine formatvariable steuerbare und insbesondere frei programmierbare Schneideinheit könnte dabei ähnlich wie eine oben beschriebene Perforationseinheit aufgebaut werden.A controllable, variable-size cutting unit could avoid such disadvantages. A variable-format controllable and in particular freely programmable cutting unit could be constructed similar to a perforation unit described above.
Insbesondere empfiehlt es sich dabei, ein frei positionierbares Schneidwerkzeug mit einer entsprechenden Positioniereinheit vorzusehen.In particular, it is advisable to provide a freely positionable cutting tool with a corresponding positioning.
Das Schneidwerkzeug kann dabei mit dem gleichen Funktionsprinzip arbeiten, wie das Perforationswerkzeug. In Frage kommt beispielsweise bei beiden Werkzeugen die Verwendung eines positionierbaren Messers, eines Fluidstrahls oder eines Lasers. Sofern nun eine derartige formatvariable Schneideinheit in Kombination mit einer erfindungsgemäßen Perforationseinheit vorgesehen wird, so können je nach Ausführungsform zumindest teilweise die gleichen Komponenten, z.B. die gleiche Steuerung verwendet werden, wodurch sich eine deutliche Reduzierung des Aufwands ergibt. So kann beispielsweise bei Verwendung von Fluidstrahl-, insbesondere Wasserstrahlwerkzeugen die gleiche Basiseinheit mit Druckpumpe, usw. für die Fluidversorgung zweier Werkzeuge bereitgestellt werden. Die Positioniereinheiten für beide Werkzeuge können identisch ausgewählt werden, wodurch sich der Aufwand in der Anschaffung und im Betrieb vermindert.The cutting tool can work with the same functional principle as the perforation tool. In question, for example, in both tools, the use of a positionable blade, a fluid jet or a laser. If such a variable-size cutting unit is provided in combination with a perforation unit according to the invention, the same components, e.g. the same control can be used, resulting in a significant reduction of the effort. Thus, for example, when using fluid jet, in particular water jet tools the same base unit with pressure pump, etc. are provided for the fluid supply of two tools. The positioning units for both tools can be selected identically, which reduces the cost of acquisition and operation.
Der Betrieb des bzw. der Perforationswerkzeuge und des bzw. der Schneidwerkzeuge über gemeinsame Komponenten, z.B. eine gemeinsame Basisstation kann dabei entweder alternierend taktweise oder aber parallel erfolgen.The operation of the perforation tool (s) and of the cutting tool (s) via common components, eg a common base station, can either be alternating cyclically or in parallel.
Ein taktweiser Betrieb, der der üblichen Betriebsart der genannten Tiefziehmaschinen entspricht, könnte darüber hinaus bei entsprechender alternierender Arbeitsweise der Schneideinheit und Perforationseinheit die Verwendung einer entsprechend kleiner dimensionierten Basiskomponente, beispielsweise eine kleinere Fluidversorgungseinheit ermöglichen.A cyclic operation, which corresponds to the usual operating mode of said thermoforming machines, could also allow the use of a correspondingly smaller dimensioned base component, for example a smaller fluid supply unit, given a corresponding alternating operation of the cutting unit and perforation unit.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird anhand der Figuren nachfolgend näher erläutert.An embodiment of the invention is illustrated in the drawing and will be explained in more detail with reference to FIGS.
Die einzige Figur zeigt eine schematische perspektivische Darstellung einer erfindungsgemäßen Verpackungsmaschine.The single FIGURE shows a schematic perspective view of a packaging machine according to the invention.
Die Verpackungsmaschine 1 stellt eine sogenannte Tiefziehmaschine dar, die aus einer Folienrolle 2 die sogenannte Unterbahn oder auch Muldenfolie 3 abzieht. Die Muldenfolie 3 wird in einem Formwerkzeug 4 unter Wärme und gegebenenfalls auch Druckeinwirkung zu Packungsmulden 5 geformt. Die Packungsmulden 5 werden in einer Füllstrecke 6 manuell oder automatisch mit Packgut 7 gefüllt. Eine Deckelfolie 8 wird von einer Vorratsrolle 9 abgezogen und als Deckel auf die Packungsmulden 5 aufgelegt. In einem Siegelwerkzeug 10 wird die Deckfolie 8 mit der Packungsmulde 5 verbunden und versiegelt. In einer Schneideinheit 11 werden einzelne, im bisherigen Herstellungsprozess zusammenhängend gefertigten Packungen zu Einzelpackungen abgetrennt.The packaging machine 1 represents a so-called thermoforming machine, which pulls off a film roll 2, the so-called lower web or
Nach dem Abzug von der Folienrolle 9 wird die Deckelfolie 8 durch eine Perforationseinheit 12 geführt. In dieser Perforationseinheit 12 wird auf nicht näher dargestellte Weise die Deckelfolie 8 in der gewünschten Weise beispielsweise mit einer bestimmte Anzahl und Verteilung von Perforationsöffnungen in der Größenordnung von 20 bis 50 p versehen.After removal from the
Eine derart perforierte Deckelfolie ist in der Lage, etwaiges, in der geschlossenen Packungen entstehendes Kohlendioxid und Ethylen an die Außenumgebung durchzulassen und zugleich eine Sauerstoffzufuhr ins Innere der Packung zu gewährleisten. Hierdurch ergibt sich insbesondere bei der Verpackung von pflanzlichen Nahrungsmitteln wie Gemüse, Salat, Obst oder dergleichen eine verbesserte Haltbarkeit. Besonders bei der Verpackung von Spargel hat sich eine derartige Deckelfolie als vorteilhaft erwiesen.Such a perforated lidding film is capable of allowing any carbon dioxide and ethylene produced in the closed packings to pass to the outside environment and at the same time to ensure an oxygen feed into the interior of the pack. This results in particular in the packaging of vegetable foods such as vegetables, lettuce, fruit or the like improved durability. Especially in the packaging of asparagus, such a lidding film has proven to be advantageous.
- 11
- Verpackungsmaschinepackaging machine
- 22
- Folienrollefilm roll
- 33
- Muldenfoliepan sheet
- 44
- Formwerkzeugmold
- 55
- Packungsmuldenpacking troughs
- 66
- Füllstreckefilling section
- 77
- Packgutpackaged goods
- 88th
- Deckelfoliecover film
- 99
- Folienrollefilm roll
- 1010
- Siegelwerkzeugsealing tool
- 1111
- Schneideinheitcutting unit
- 1212
- Perforationseinheitperforation
Claims (14)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005018249 | 2005-04-19 | ||
| EP06007814A EP1714885B1 (en) | 2005-04-19 | 2006-04-13 | Packaging machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06007814A Division EP1714885B1 (en) | 2005-04-19 | 2006-04-13 | Packaging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1806290A1 true EP1806290A1 (en) | 2007-07-11 |
| EP1806290B1 EP1806290B1 (en) | 2009-06-24 |
Family
ID=36570779
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07008157A Active EP1806290B1 (en) | 2005-04-19 | 2006-04-13 | Packaging machine |
| EP06007814A Active EP1714885B1 (en) | 2005-04-19 | 2006-04-13 | Packaging machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06007814A Active EP1714885B1 (en) | 2005-04-19 | 2006-04-13 | Packaging machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP1806290B1 (en) |
| AT (2) | ATE404437T1 (en) |
| DE (4) | DE202006020052U1 (en) |
| ES (2) | ES2330051T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007013698A1 (en) | 2006-12-22 | 2008-06-26 | Multivac Sepp Haggenmüller Gmbh & Co. Kg | packaging machine |
| GB2453590A (en) * | 2007-10-12 | 2009-04-15 | Sharp Interpack Ltd | Packaging tray with lid having apertures |
| EP2179824A1 (en) | 2008-10-23 | 2010-04-28 | Wardenburg Malgo Engineering B.V. | Device for punching series of microperforations in film material |
| DE102009017993A1 (en) * | 2009-04-21 | 2010-11-04 | Multivac Sepp Haggenmüller Gmbh & Co. Kg | Packaging machine i.e. packing tray, for manufacturing sealable packings for e.g. fruit, has perforation unit for perforating lower foil, where perforation is provided in area of foil to form packaging body after closing |
| CN108190080B (en) * | 2018-02-08 | 2024-09-24 | 瑞安市宏泰机械科技有限公司 | Four-side packaging line |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952341A1 (en) | 1969-10-17 | 1971-04-29 | Afrikanische Frucht Cie Laeisz | Storing green bananas to ripen |
| DE7533616U (en) | 1976-03-18 | Hermann Waldner Kg, 7988 Wangen | Device for perforating material webs | |
| EP0282180A2 (en) | 1987-02-19 | 1988-09-14 | Michael Greengrass | Package for the controlled ripening of produce and fruits |
| EP0710605B1 (en) | 1994-11-01 | 2000-02-02 | MULTIVAC Sepp Hagenmüller GmbH & Co. | Method and device for maximising the unit rate of a vacuum packaging machine |
| WO2002012068A1 (en) * | 2000-08-03 | 2002-02-14 | Backus Sormac B.V. | Method for packaging products prone to decay |
| US6441340B1 (en) | 1999-05-04 | 2002-08-27 | Elizabeth Varriano-Marston | Registered microperforated films for modified/controlled atmosphere packaging |
| US20030185947A1 (en) * | 1997-03-13 | 2003-10-02 | Garwood Anthony J.M. | Apparatus for biaxially stretching a web of overwrapping material |
| EP1647489A2 (en) | 2004-08-05 | 2006-04-19 | Perle Du Sud | Method and apparatus for packaging fresh vegetables |
-
2006
- 2006-04-13 EP EP07008157A patent/EP1806290B1/en active Active
- 2006-04-13 DE DE202006020052U patent/DE202006020052U1/en not_active Expired - Lifetime
- 2006-04-13 ES ES07008157T patent/ES2330051T3/en active Active
- 2006-04-13 ES ES06007814T patent/ES2312060T3/en active Active
- 2006-04-13 DE DE502006004058T patent/DE502006004058D1/en active Active
- 2006-04-13 DE DE502006001296T patent/DE502006001296D1/en active Active
- 2006-04-13 AT AT06007814T patent/ATE404437T1/en not_active IP Right Cessation
- 2006-04-13 EP EP06007814A patent/EP1714885B1/en active Active
- 2006-04-13 DE DE102006017887A patent/DE102006017887A1/en not_active Withdrawn
- 2006-04-13 AT AT07008157T patent/ATE434568T1/en active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7533616U (en) | 1976-03-18 | Hermann Waldner Kg, 7988 Wangen | Device for perforating material webs | |
| DE1952341A1 (en) | 1969-10-17 | 1971-04-29 | Afrikanische Frucht Cie Laeisz | Storing green bananas to ripen |
| EP0282180A2 (en) | 1987-02-19 | 1988-09-14 | Michael Greengrass | Package for the controlled ripening of produce and fruits |
| EP0710605B1 (en) | 1994-11-01 | 2000-02-02 | MULTIVAC Sepp Hagenmüller GmbH & Co. | Method and device for maximising the unit rate of a vacuum packaging machine |
| US20030185947A1 (en) * | 1997-03-13 | 2003-10-02 | Garwood Anthony J.M. | Apparatus for biaxially stretching a web of overwrapping material |
| US6441340B1 (en) | 1999-05-04 | 2002-08-27 | Elizabeth Varriano-Marston | Registered microperforated films for modified/controlled atmosphere packaging |
| WO2002012068A1 (en) * | 2000-08-03 | 2002-02-14 | Backus Sormac B.V. | Method for packaging products prone to decay |
| EP1647489A2 (en) | 2004-08-05 | 2006-04-19 | Perle Du Sud | Method and apparatus for packaging fresh vegetables |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502006004058D1 (en) | 2009-08-06 |
| ATE434568T1 (en) | 2009-07-15 |
| EP1714885A1 (en) | 2006-10-25 |
| DE202006020052U1 (en) | 2007-11-08 |
| ES2312060T3 (en) | 2009-02-16 |
| ES2330051T3 (en) | 2009-12-03 |
| DE102006017887A1 (en) | 2006-10-26 |
| EP1806290B1 (en) | 2009-06-24 |
| ATE404437T1 (en) | 2008-08-15 |
| DE502006001296D1 (en) | 2008-09-25 |
| EP1714885B1 (en) | 2008-08-13 |
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