EP2551207A1 - Shrink device with container cooling - Google Patents
Shrink device with container cooling Download PDFInfo
- Publication number
- EP2551207A1 EP2551207A1 EP12170497A EP12170497A EP2551207A1 EP 2551207 A1 EP2551207 A1 EP 2551207A1 EP 12170497 A EP12170497 A EP 12170497A EP 12170497 A EP12170497 A EP 12170497A EP 2551207 A1 EP2551207 A1 EP 2551207A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coolant
- shrinking
- transport
- shrinking device
- container
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 239000002826 coolant Substances 0.000 claims abstract description 111
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000004806 packaging method and process Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims 1
- 229920006300 shrink film Polymers 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- 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
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
- B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
- B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
- B65B53/063—Tunnels
-
- 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
- B65B2220/00—Specific aspects of the packaging operation
- B65B2220/24—Cooling filled packages
Definitions
- the present invention relates to a shrinking device for shrinking an outer package around an article assembly.
- the shrinking device comprises a transport path, an entrance area, a shrink tunnel and an outlet area, wherein in the exit area above the transport path at least one first coolant device is arranged, through which the article assembly can be acted upon from above with coolant.
- the articles When packaging articles, in particular beverage containers, bottles, etc., into containers, the articles are assembled in the desired manner and covered with a shrink film.
- the shrink wrap is shrunk around the articles by supplying hot air in a shrink tunnel.
- the containers are transported on a conveyor through the shrink tunnel. Due to the permanent supply of hot air, the conveyor chain heats up. This can lead to problems because due to excessive local heating shrink film stuck in the bottom of the container with the conveyor and thus can lead to damage to the shrink wrap. For this reason, devices are known in which the conveying device is selectively cooled.
- shrink packs After the shrink packs leave the shrink tunnel, they must cool relatively quickly, before you or other processing devices, such as palletizers. be supplied.
- the shrink film itself has a so-called memory effect.
- the film material used is heated, while stretched and then cooled again.
- the shrink wrap wrapped around the articles is reheated.
- the shrink film changes back to its unstretched original state, with the molecules rearranging themselves in their original form.
- the shrinking process thus consists of heating and cooling the shrink wrap wrapped around the packs.
- a shrinkage package is stable only when the shrink film has cooled so far after heating, that no further deformation (contraction of the shrink film) takes place more and the shrinkage package is thus firm and stable.
- Such unfavorable forces additionally act against the still unfinished shrinking process when the shrinkage package is still warm or not yet fully cooled and thus worsen the result or lead to defective packaging.
- Such unfavorable forces acting on the shrinkage packages can be found, for example, at transitions between individual conveyor belts following the shrink tunnel, via which the shrinkage packages are fed to further processing devices. This is due to not yet completely cooled shrink film in the bottom area of the container easy to damage the same. In this bottom area where the shrink film ends overlap, the time to complete cooling is higher than in the other areas (top, front of the container, etc.). Upon cooling of the shrink film, the film contracts further and is firmly fixed around the wrapped articles.
- This necessary cooling of the container can be achieved for example by the fact that after the shrink tunnel, a so-called cooling line is present. This is often extended due to the given ambient temperatures or due to the thickness of the film used to ensure that the shrinkage packages are cooled sufficiently before they are passed to the next conveyor belt.
- the conveyor, with which the shrinkage packages are moved through the shrink tunnel and through the cooling section, is a single conveyor line whose length is designed according to the respective requirements. Optionally, an adaptation of the conveyor line is therefore necessary in a product change.
- one or more fans are installed after the shrink tunnel above the conveying means. used to blow the cooling air from above onto the product.
- the bottom of the container is not covered by this cooling air, so that there is less cooling of the container in this area.
- the containers in this area have a lower stability, which is particularly in the transfer to a downstream conveyor belt, a container turning station o.ä. leads to problems.
- This problem is generally solved by the combination of blowers mounted in series and an extension of the cooling line and the type mentioned at the exit of the shrink tunnel.
- An extension of the cooling section is very complex, since this - as already described above - brings with it an extension of the entire conveyor.
- US 3727324 describes a shrink tunnel that provides an air curtain at the entrance and the exit, respectively.
- the first air curtain at the entrance to the shrink tunnel serves to preheat the film in this area.
- the second air curtain at the exit of the shrink tunnel serves to cool the film in the exit area.
- a cooling arc is arranged at the outlet of the shrink tunnel through which cooling air is blown from above and from the sides onto the shrink-wrapped pallet with piece goods.
- DE 2320424 A1 describes an apparatus for the continuous packaging of articles comprising a shrink tunnel. Cooling of the packaged articles also takes place after the shrinking process, whereby a cooling arrangement arranged at the top directs cold air onto the enveloped objects, thereby accelerating the cooling of the articles and their shrunk-on packaging.
- the object of the invention is to cool containers in the exit area of a shrink tunnel or after they have left the shrink tunnel effectively and on all sides.
- the invention relates to a shrinking device for shrinking an outer package or a shrink film around an article compilation.
- the articles are preferably liquid containers, in particular beverage bottles, which are wrapped with a shrink film and combined into containers.
- the shrinking device comprises a transport path, via which the containers are transported in the transport direction via an input area into a shrink tunnel and via an exit area to further transport devices or other processing devices.
- at least one first coolant device is arranged above the transport path, by means of which the containers are subjected to a coolant from above.
- Preferably above the transport route at least one blower o.ä. arranged, with the cold air on the coming out of the shrink tunnel, warm container is blown.
- the transport path consists of a continuous, uninterrupted transport means, i. from a single conveyor belt or similar, on which the containers are transported through the entrance area, the shrink tunnel and the exit area to a transfer area.
- the finished shrunk containers are transferred to another means of transport or to a further processing device.
- the transport of the shrinking device is permeable to a coolant.
- at least one second coolant device is arranged below the transport means, by means of which coolant is applied to the bottom region of the bundles from below. Due to the additional coolant device, the bottom portion of the container can be cooled specifically. This was with the previous cooling from above insufficient or not at all possible. Due to the cooling from below, the front sides and side surfaces of the lower regions of the containers are now subjected to more coolant, since the distance from the surface to be cooled to the coolant device is now substantially lower.
- the transport means is preferably a conveyor belt, in particular an endless conveyor chain, a wire belt, a mesh grid belt, a Stabröllchenkette or similar suitable conveying means which is permeable to a flow of coolant.
- a coolant in particular, a cooling air flow is used, which is provided by at least one fan, a fan, for example a cross-flow fan, a radial fan or an axial fan or the like. is produced.
- the blower or similar can be arranged as a so-called internal fan directly below the transport path so that it directs its coolant flow upwards in the direction of the bottom of the container.
- the blower can also be arranged outside the shrinking device and the cooling air can be conducted via lines to the desired locations.
- a cooling channel can be arranged below the transport path. The coolant is directed into the cooling channel and the container bottoms are supplied with coolant via nozzles pointing upwards.
- the nozzles are adjustable, in particular, an adjustability of the nozzle angle and the size of the nozzle opening can be provided, so that the amount and angle at which the coolant impinges on the container bottom, can be adjusted.
- the coolant is preferably blown at an angle between 30 ° to 150 ° to the transport surface from below to the bottom of the container.
- the air sucked in by the fan is taken, for example, from the area of the machine frame below the conveyor belt. Alternatively, the air may also be removed via side intake ducts from the environment or from another packaging device.
- At least one upper and one lower coolant device are arranged directly opposite each other directly at the exit from the shrink tunnel.
- the upper coolant device produces a largely vertically downwardly directed coolant flow.
- the lower coolant device produces a largely vertically upward coolant flow.
- the two coolant streams thus form at the exit of the shrink tunnel a coolant curtain, in particular an air curtain. This prevents the hot air from escaping uncontrolled from the shrink tunnel and thus has a positive effect on the energy balance of the shrinking device.
- the coolant flow and / or the at least one second coolant device can be moved in the exit region of the shrinking device.
- the movement of the coolant flow and / or the movement of the at least one second coolant device is regulated or controlled analogously to the movement of the containers.
- the nozzles of the coolant device can be moved with the respective container in order to achieve a cooling effect on the container as long as possible.
- the fan below the transport means is arranged to be movable and moves parallel to the respective container with.
- a cooling channel for example, only the nozzle openings are opened, over which the container is currently located, so as to generate the coolant flow only in these areas.
- the control unit controls the opening and closing of the respective nozzles, in particular taking into account relevant parameters of the device, for example, taking into account the speed of the means of transport, etc.
- the sensors can For example, they may be image sensing sensors, and weight or pressure sensitive sensors or other suitable sensors may also be used.
- Such targeted control of the coolant is possible because the containers are transported spaced apart on the transport path. The spacing is particularly necessary in order to achieve an all-round cooling of the arranged largely perpendicular to the transport surface container side surfaces.
- additional lateral coolant devices can be provided in the exit area of the shrinking device so that coolant devices are arranged all around the transport route in this area.
- the various coolant devices are preferably arranged in a plane perpendicular to the transport plane, so that the containers pass through a cooling air curtain or cooling air shield and are supplied with cooling air from all sides, in particular from above and below and possibly from the sides.
- the coolant devices may be approximately annular, oval, rectangular, or the like. be arranged around the transport plane around.
- the distance between the coolant devices and the containers can be adjusted according to the size and shape of the container in order to optimally adapt the coolant supply to the respective container.
- at least one sensor can be used which detects the size, shape, etc. of the containers at the outlet of the shrinking tunnel and transmits the determined data to a control unit. Thereafter, the control unit regulates the position of the coolant devices and thus sets the optimum distance between the coolant devices and the containers.
- FIG. 1 and FIG. 2 show in each case schematic views of a shrinking device 1 with downstream transport device 12 according to the known prior art.
- Articles, in particular beverage containers, bottles 6, cans or the like are assembled in groups and wrapped with shrink film 7.
- This article compilations are also referred to as a container 5.
- the container 5 are fed in the transport direction TR on a means of transport, in particular a conveyor belt 10, via an input area 3 a shrink tunnel 2.
- heating means (not shown) are arranged, which act on the container 5, for example, with hot air.
- the film 7 shrinks the outer packaging and places itself on all sides of the article and thus forms finished container 5 * or a packaging unit.
- blowers 20 are arranged above the conveyor belt, with which cold air 22 is blown on the warm container 5 * to cool them before the transfer U to another conveyor belt 12 and thereby ensure that the container. 5 ** fixed before handover U and are stable.
- FIG. 3 shows a schematic partial view of a shrinking device 15a according to the invention.
- the enveloped with shrink film 7 bottles 6 are again transported through a shrink tunnel 2, wherein the shrink film 7 shrunk around the bottles 6 around and thus the finished container 5 * is formed.
- the shrinking device 15a has in the output region 16a on the conveyor belt 10 arranged fan 20, for cooling the container 5 * with a directed to the container 5 * cooling air flow 22nd
- the conveyor belt 10, on which the containers 5, 5 * are conveyed through the shrinking device 15a is permeable to air, for example a conveyor chain 11 or a mat chain conveyor, wherein openings are formed between the chain links.
- coolant devices 25 are arranged below the conveyor belt 10.
- it is fan 27, the cooling air 26 from below through the conveyor belt 10 to blow upwards.
- the cooling air flow 26 and the lower portions of the end faces and side surfaces of the container 5 * with more cooling air 22 and 26 are acted upon, since the distance between the lower coolant device 25 and these areas is less than the distance between the upper coolant devices 20 and these areas.
- the coolant device 25 is, for example, at least one fan, which is arranged below a perforated plate or directly below the conveyor belt 10 such that the cooling air 26 is blown upward in the direction of the warm container 5 *.
- the exit angle ⁇ of the cooling air 26 in relation to the transport plane an amount between 30 ° to 150 °.
- FIG. 4 shows a schematic partial view of a shrink device 15b according to the invention.
- a cooling channel 28 is arranged in the exit region 16b below the conveyor belt 10.
- an external or an internal fan both not shown
- cold air is directed into the cooling channel 28.
- the cold air 26 is over Nozzle openings 29 at the top of the cooling channel 28 passed through the conveyor belt 10 on the bottom portion of the container 5 *.
- FIG. 5 shows a schematic partial view of a shrinking device 15 c according to the invention.
- coolant devices 27, 27 * are arranged below the conveyor belt 10 with the coolant flow 26, 26 * directed upwards.
- an upper coolant device 20 * with a largely vertically downwardly disposed coolant stream 22 * and a lower coolant device 27 * with a largely vertically upwardly directed coolant stream 26 * is arranged directly after the exit of the shrink tunnel 2.
- at least one further upper coolant device 20 and a further lower coolant device 27 are arranged with coolant streams 22, 26 directed at an angle downwards or upwards.
- a so-called coolant curtain 30 is formed.
- This coolant curtain 30 on the one hand causes a direct cooling of the warm container 5 * from below and above and on the other hand it prevents warm air escaping from the shrink tunnel 2. This effectively prevents heat loss, whereby the energy cost for the shrink tunnel 2 can be reduced.
- the downstream coolant streams 22, 26 serve for further container cooling.
- the coolant stream 26 serves to cool the containers 5 * from below in order to eliminate the described problems with respect to damage and / or undesired deformation of the packaging film 7 *.
- FIGS. 6 to 8 each represent a schematic cross section through the output region 16 of a shrinking device.
- FIG. 6 shows the schematic cross section through a shrinking device according to those in the FIGS. 3 to 5 illustrated embodiments, in which in each case at least one upper coolant device 20 are arranged above the transport plane formed by the conveyor belt 10 and in each case at least one lower coolant device 25 below the conveyor belt 10.
- FIGS. 7 and 8 each show embodiments in which additional lateral coolant devices 40 are arranged on both sides of the transport plane formed by the conveyor belt 10.
- the side surfaces of the container 5 * can additionally be cooled specifically with coolant 42.
- the coolant devices 20, 25 and 40 may additionally be adjustable.
- the distance between the coolant devices 20 and 40 the containers 5 * can be adjusted according to the size of the container 5 *, so that the coolant supply can be optimally adapted to the respective container 5 *.
- a sensor 45 may be provided which detects the size and shape etc. of the container 5 * at the outlet of the shrinking tunnel.
- a controller 50 regulates the position of the coolant devices 20 and 40 and thus sets the optimum distance between the coolant devices 20 and 40 and the containers 5 *.
- FIG. 9 shows a further embodiment of a shrinking device 15d according to the invention.
- the arranged below the conveyor belt 10 coolant device 25 is movable and / or controllable, so that only in the areas of the conveyor belt 10, on each of which a container 5 * is arranged, cooling air 26 is blown to the bottom portion of the respective container 5 *.
- the blower 25 is moved together with the containers in the transport direction.
- the coolant device 25 is again moved against the transport direction of the conveyor belt 10 to the exit of the shrink tunnel 2 and parallel to the next container 5 * in the direction of transport in the direction of further processing devices, for example in the direction of the further conveyor belt 12 moves.
- the coolant device may also have a plurality of nozzle openings along the transport path, which are activated successively, in particular depending on which position is the respective container 5 *.
- a sensor may be provided which determines the position of the container 5 * and transmits the data to a control unit, the like orifices the nozzle openings of a coolant channel. regulated accordingly.
- the coolant devices 20 arranged above the transport plane with the cooling air 22 directed downwards also be moved parallel to the transport route or can be regulated accordingly (also not shown).
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Abstract
Description
Die vorliegende Erfindung betrifft eine Schrumpfvorrichtung zum Aufschrumpfen einer Umverpackung um eine Artikelzusammenstellung. Die Schrumpfvorrichtung umfasst eine Transportstrecke, einen Eingangsbereich, einen Schrumpftunnel und einen Ausgangsbereich, wobei im Ausgangsbereich oberhalb der Transportstrecke mindestens eine erste Kühlmittelvorrichtung angeordnet ist, durch die die Artikelzusammenstellung von oben her mit Kühlmittel beaufschlagbar ist.The present invention relates to a shrinking device for shrinking an outer package around an article assembly. The shrinking device comprises a transport path, an entrance area, a shrink tunnel and an outlet area, wherein in the exit area above the transport path at least one first coolant device is arranged, through which the article assembly can be acted upon from above with coolant.
Bei der Verpackung von Artikeln, insbesondere von Getränkebehältern, Flaschen etc. zu Gebinden, werden die Artikel in gewünschter Weise zusammengestellt und mit einer Schrumpffolie umhüllt. Die Schrumpffolie wird durch Zufuhr von Heißluft in einem Schrumpftunnel um die Artikel herum aufgeschrumpft.When packaging articles, in particular beverage containers, bottles, etc., into containers, the articles are assembled in the desired manner and covered with a shrink film. The shrink wrap is shrunk around the articles by supplying hot air in a shrink tunnel.
Die Gebinde werden auf einer Fördervorrichtung durch den Schrumpftunnel transportiert. Aufgrund der permanenten Zufuhr von Heißluft erhitzt die Förderkette. Dies kann zu Problemen führen, da aufgrund zu starker lokaler Erwärmung die Schrumpffolie im Bodenbereich der Gebinde mit der Fördervorrichtung verkleben und es somit zu Beschädigungen der Schrumpfverpackung kommen kann. Aus diesem Grund sind Vorrichtungen bekannt, bei denen die Fördervorrichtung gezielt gekühlt wird.The containers are transported on a conveyor through the shrink tunnel. Due to the permanent supply of hot air, the conveyor chain heats up. This can lead to problems because due to excessive local heating shrink film stuck in the bottom of the container with the conveyor and thus can lead to damage to the shrink wrap. For this reason, devices are known in which the conveying device is selectively cooled.
Nachdem die Schrumpfgebinde den Schrumpftunnel verlassen, müssen diese relativ schnell abkühlen, bevor Sie weiteren Verarbeitungsvorrichtungen, beispielsweise Palettierungsvorrichtungen o.ä. zugeführt werden. Die Schrumpffolie an sich besitzt einen sogenannten Memory-Effekt. Bei der Herstellung von Schrumpffolie wird das verwendete Folienmaterial erwärmt, dabei gereckt und anschließend wieder abgekühlt. Beim Schrumpfprozess wird die um die Artikel gewickelte Schrumpffolie erneut erwärmt. Bei der nachfolgenden Abkühlung wechselt die Schrumpffolie wieder in ihren ungereckten Ursprungszustand zurück, wobei sich die Moleküle bzw. wieder in ihrer eigentlichen Ursprungsform anordnen. Der Schrumpfprozess besteht somit aus einem Erhitzen und Abkühlen der Schrumpffolie, welche um die Gebinde herumgewickelt ist. Dabei ist ein Schrumpfgebinde erst dann stabil, wenn die Schrumpffolie nach deren Erhitzen so weit abgekühlt wurde, dass keine weitere Verformung (Zusammenziehen der Schrumpffolie) mehr stattfindet und das Schrumpfgebinde somit fest und stabil ist. Dies ist insbesondere deshalb notwendig, da Schrumpfgebinde mit einer noch warmen Schrumpffolie sehr instabil und damit sehr empfindlich gegen Kräfteeinwirkungen jeglicher Art sind. Solche ungünstigen Kräfteeinwirkungen wirken zusätzlich bei noch warmen bzw. noch nicht vollständig abgekühlten Schrumpfgebinden gegen den noch nicht abgeschlossenen Schrumpfprozess und verschlechtern somit das Ergebnis bzw. führen zu defekten Verpackungen. Solche ungünstigen Kräfteeinwirkungen auf die Schrumpfgebinde findet man beispielsweise an Übergängen zwischen einzelnen Transportbändern anschließend an den Schrumpftunnel, über die die Schrumpfgebinde weiteren Verarbeitungsvorrichtungen zugeführt werden. Hierbei kommt es auf Grund von noch nicht vollständig abgekühlter Schrumpffolie im Bodenbereich der Gebinde leicht zu Beschädigungen derselben. In diesem Bodenbereich, in dem sich die Schrumpffolienenden überlappen, ist die Zeitdauer bis zur vollständigen Abkühlung höher als in den anderen Bereichen (Oberseite, Stirnseiten der Gebinde etc.). Beim Abkühlen der Schrumpffolie zieht sich die Folie noch weiter zusammen und wird fest um die verpackten Gegenstände herum fixiert bzw. angelegt.After the shrink packs leave the shrink tunnel, they must cool relatively quickly, before you or other processing devices, such as palletizers. be supplied. The shrink film itself has a so-called memory effect. In the production of shrink film, the film material used is heated, while stretched and then cooled again. During the shrinking process, the shrink wrap wrapped around the articles is reheated. During the subsequent cooling, the shrink film changes back to its unstretched original state, with the molecules rearranging themselves in their original form. The shrinking process thus consists of heating and cooling the shrink wrap wrapped around the packs. In this case, a shrinkage package is stable only when the shrink film has cooled so far after heating, that no further deformation (contraction of the shrink film) takes place more and the shrinkage package is thus firm and stable. This is particularly necessary because shrinkage package with a very warm shrink film very unstable and therefore very sensitive to forces of any kind. Such unfavorable forces additionally act against the still unfinished shrinking process when the shrinkage package is still warm or not yet fully cooled and thus worsen the result or lead to defective packaging. Such unfavorable forces acting on the shrinkage packages can be found, for example, at transitions between individual conveyor belts following the shrink tunnel, via which the shrinkage packages are fed to further processing devices. This is due to not yet completely cooled shrink film in the bottom area of the container easy to damage the same. In this bottom area where the shrink film ends overlap, the time to complete cooling is higher than in the other areas (top, front of the container, etc.). Upon cooling of the shrink film, the film contracts further and is firmly fixed around the wrapped articles.
Diese notwendige Abkühlung der Gebinde erreicht man beispielsweise dadurch, dass nach dem Schrumpftunnel eine sogenannte Abkühlstrecke vorhanden ist. Diese wird oftmals auf Grund der gegebenen Umgebungstemperaturen oder auch bedingt durch die Dicke der verwendeten Folie verlängert, um sicher zu stellen, dass die Schrumpfgebinde ausreichend abgekühlt werden, bevor sie an das nächste Transportband übergeben werden. Bei dem Fördermittel, mit welchem die Schrumpfgebinde durch den Schrumpftunnel und durch die Abkühlstrecke bewegt werden, handelt es sich um eine einzige Förderstrecke, deren Länge entsprechend den jeweiligen Anforderungen ausgelegt ist. Gegebenenfalls ist bei einem Produktwechsel somit auch eine Anpassung der Förderstrecke notwendig.This necessary cooling of the container can be achieved for example by the fact that after the shrink tunnel, a so-called cooling line is present. This is often extended due to the given ambient temperatures or due to the thickness of the film used to ensure that the shrinkage packages are cooled sufficiently before they are passed to the next conveyor belt. The conveyor, with which the shrinkage packages are moved through the shrink tunnel and through the cooling section, is a single conveyor line whose length is designed according to the respective requirements. Optionally, an adaptation of the conveyor line is therefore necessary in a product change.
Gemäß dem bekannten Stand der Technik werden nach dem Schrumpftunnel, oberhalb des Fördermittels ein oder mehrere Gebläse, insbesondere Axialventilatoren oder Radialventilatoren o.ä. verwendet, die Kühlluft von oben auf das Produkt blasen. Die Gebindeunterseite wird jedoch nicht von dieser Kühlluft erfasst, so dass eine geringere Abkühlung der Gebinde in diesem Bereich erfolgt. Dadurch weisen die Gebinde in diesem Bereich eine geringere Stabilität auf, was insbesondere bei der Übergabe an ein nachgelagertes Transportband, einer Gebindedrehstation o.ä. zu Problemen führt. Dieses Problem wird im Allgemeinen durch die Kombination von in Serie montierter Gebläse und einer Verlängerung der Abkühlstrecke o.g. Art am Ausgang des Schrumpftunnels gelöst. Eine Verlängerung der Abkühlstrecke ist sehr aufwändig, da dies - wie bereits oben beschrieben - eine Verlängerung des gesamten Fördermittels mit sich bringt.According to the known state of the art, one or more fans, in particular axial fans or centrifugal fans or the like, are installed after the shrink tunnel above the conveying means. used to blow the cooling air from above onto the product. However, the bottom of the container is not covered by this cooling air, so that there is less cooling of the container in this area. As a result, the containers in this area have a lower stability, which is particularly in the transfer to a downstream conveyor belt, a container turning station o.ä. leads to problems. This problem is generally solved by the combination of blowers mounted in series and an extension of the cooling line and the type mentioned at the exit of the shrink tunnel. An extension of the cooling section is very complex, since this - as already described above - brings with it an extension of the entire conveyor.
Die Aufgabe der Erfindung besteht darin, Gebinden im Ausgangsbereich eines Schrumpftunnels bzw. nachdem diese den Schrumpftunnel verlassen haben effektiv und allseitig zu kühlen.The object of the invention is to cool containers in the exit area of a shrink tunnel or after they have left the shrink tunnel effectively and on all sides.
Die obige Aufgabe wird durch eine Schrumpfvorrichtung gelöst, die die Merkmale in dem Patentanspruch 1 umfasst. Weitere vorteilhafte Ausgestaltungen werden durch die Unteransprüche beschrieben.The above object is achieved by a shrinking device comprising the features in
Die Erfindung betrifft eine Schrumpfvorrichtung zum Aufschrumpfen einer Umverpackung bzw. einer Schrumpffolie um eine Artikelzusammenstellung. Vorzugsweise handelt es sich bei den Artikeln um Flüssigkeitsbehälter, insbesondere um Getränkeflaschen, die mit einer Schrumpffolie umhüllt und zu Gebinden zusammengefasst werden. Die Schrumpfvorrichtung umfasst eine Transportstrecke, über die die Gebinde in Transportrichtung über einen Eingangsbereich in einen Schrumpftunnel und über einen Ausgangsbereich zu weiteren Transportvorrichtungen oder anderen Verarbeitungsvorrichtungen transportiert werden. Im Ausgangsbereich der Schrumpfvorrichtung ist gemäß dem bekannten Stand der Technik oberhalb der Transportstrecke mindestens eine erste Kühlmittelvorrichtung angeordnet ist, durch die die Gebinde von oben her mit einem Kühlmittel beaufschlagt werden. Vorzugsweise ist oberhalb der Transportstrecke mindestens ein Gebläse o.ä. angeordnet, mit dem kalte Luft auf die aus dem Schrumpftunnel kommenden, warmen Gebinde geblasen wird.The invention relates to a shrinking device for shrinking an outer package or a shrink film around an article compilation. The articles are preferably liquid containers, in particular beverage bottles, which are wrapped with a shrink film and combined into containers. The shrinking device comprises a transport path, via which the containers are transported in the transport direction via an input area into a shrink tunnel and via an exit area to further transport devices or other processing devices. In the exit region of the shrinking device, according to the known state of the art, at least one first coolant device is arranged above the transport path, by means of which the containers are subjected to a coolant from above. Preferably above the transport route at least one blower o.ä. arranged, with the cold air on the coming out of the shrink tunnel, warm container is blown.
Erfindungsgemäß besteht die Transportstrecke aus einem durchgängigen, unterbrechungsfreien Transportmittel, d.h. aus einem einzigen Transportband o.ä., auf dem die Gebinde durch den Eingangsbereich, den Schrumpftunnel und den Ausgangsbereich bis zu einem Übergabebereich transportiert werden. Im Übergabebereich werden die fertig geschrumpften Gebinde an ein weiteres Transportmittel oder an eine weitere Verarbeitungsvorrichtung übergeben. Das Transportmittel der Schrumpfvorrichtung ist für ein Kühlmittel durchlässig. Im Ausgangsbereich der Schrumpfvorrichtung ist unterhalb des Transportmittels mindestens eine zweite Kühlmittelvorrichtung angeordnet, durch die der Bodenbereich der Gebinde von unten her mit Kühlmittel beaufschlagt wird. Durch die zusätzliche Kühlmittelvorrichtung kann der Bodenbereich der Gebinde gezielt gekühlt werden. Dies war mit der bisherigen Kühlung von oben nur unzureichend bzw. überhaupt nicht möglich. Durch die Kühlung von unten her werden nunmehr auch die Stirnseiten und Seitenflächen der unteren Bereiche der Gebinde mit mehr Kühlmittel beaufschlagt, da die Distanz von der zu kühlenden Fläche zur Kühlmittelvorrichtung nunmehr wesentlich geringer ist.According to the invention, the transport path consists of a continuous, uninterrupted transport means, i. from a single conveyor belt or similar, on which the containers are transported through the entrance area, the shrink tunnel and the exit area to a transfer area. In the transfer area, the finished shrunk containers are transferred to another means of transport or to a further processing device. The transport of the shrinking device is permeable to a coolant. In the exit region of the shrinking device, at least one second coolant device is arranged below the transport means, by means of which coolant is applied to the bottom region of the bundles from below. Due to the additional coolant device, the bottom portion of the container can be cooled specifically. This was with the previous cooling from above insufficient or not at all possible. Due to the cooling from below, the front sides and side surfaces of the lower regions of the containers are now subjected to more coolant, since the distance from the surface to be cooled to the coolant device is now substantially lower.
Das Transportmittel ist vorzugsweise eine Förderband, insbesondere eine Endlosförderkette, ein Drahtgliedergurt, ein Netzgitterband, eine Stabröllchenkette oder ein ähnliches geeignetes Fördermittel, das für einen Kühlmittelstrom durchlässig ist. Als Kühlmittel wird insbesondere ein Kühlluftstrom verwendet, der durch mindestens ein Gebläse, einen Ventilator, beispielsweise einen Querstromventilator, einen Radialventilator oder einen Axialventilator o.ä. erzeugt wird.The transport means is preferably a conveyor belt, in particular an endless conveyor chain, a wire belt, a mesh grid belt, a Stabröllchenkette or similar suitable conveying means which is permeable to a flow of coolant. As a coolant, in particular, a cooling air flow is used, which is provided by at least one fan, a fan, for example a cross-flow fan, a radial fan or an axial fan or the like. is produced.
Das Gebläse o.ä. kann hierbei als so genannter interner Ventilator direkt unterhalb der Transportstrecke so angeordnet sein, dass es seinen Kühlmittelstrom nach oben in Richtung der Gebindeunterseite richtet. Das Gebläse kann aber auch außerhalb der Schrumpfvorrichtung angeordnet sein und die Kühlluft über Leitungen an die gewünschten Stellen geleitet werden. Beispielsweise kann unter der Transportstrecke ein Kühlkanal angeordnet sein. Das Kühlmittel wird in den Kühlkanal geleitet und über nach oben gerichtete Düsen werden die Gebindeunterseiten mit dem Kühlmittel beaufschlagt. Hierbei kann vorgesehen sein, dass die Düsen einstellbar sind, insbesondere kann eine Einstellbarkeit der Düsenwinkel und der Größe der Düsenöffnung vorgesehen sein, so dass die Menge und der Winkel, in dem das Kühlmittel auf die Gebindeunterseite auftrifft, eingestellt werden kann.The blower or similar can be arranged as a so-called internal fan directly below the transport path so that it directs its coolant flow upwards in the direction of the bottom of the container. However, the blower can also be arranged outside the shrinking device and the cooling air can be conducted via lines to the desired locations. For example, a cooling channel can be arranged below the transport path. The coolant is directed into the cooling channel and the container bottoms are supplied with coolant via nozzles pointing upwards. It can be provided that the nozzles are adjustable, in particular, an adjustability of the nozzle angle and the size of the nozzle opening can be provided, so that the amount and angle at which the coolant impinges on the container bottom, can be adjusted.
Das Kühlmittel wird vorzugsweise in einem Winkel zwischen 30°bis 150° zur Transportfläche von unten her auf die Gebindeunterseite geblasen. Die vom Gebläse angesaugte Luft wird beispielsweise aus dem Bereich des Maschinengestells unterhalb des Transportbandes entnommen. Alternativ kann die Luft auch über seitliche Ansaugkanäle aus der Umgebung oder von einer anderen Verpackungsvorrichtung entnommen werden.The coolant is preferably blown at an angle between 30 ° to 150 ° to the transport surface from below to the bottom of the container. The air sucked in by the fan is taken, for example, from the area of the machine frame below the conveyor belt. Alternatively, the air may also be removed via side intake ducts from the environment or from another packaging device.
Gemäß einer weiteren Ausführungsform der Erfindung sind direkt am Ausgang aus dem Schrumpftunnel mindestens eine obere und eine untere Kühlmittelvorrichtung einander direkt gegenüberliegend angeordnet. Die obere Kühlmittelvorrichtung produziert einen weitgehend senkrecht nach unten gerichteten Kühlmittelstrom. Die untere Kühlmittelvorrichtung produziert einen weitgehend senkrecht nach oben gerichteten Kühlmittelstrom. Die beiden Kühlmittelströme bilden somit am Ausgang des Schrumpftunnels einen Kühlmittelvorhang, insbesondere einen Luftvorhang. Dieser verhindert, dass die Heißluft unkontrolliert aus dem Schrumpftunnel entweichen kann und wirkt sich somit positiv auf die Energiebilanz der Schrumpfvorrichtung aus.According to a further embodiment of the invention, at least one upper and one lower coolant device are arranged directly opposite each other directly at the exit from the shrink tunnel. The upper coolant device produces a largely vertically downwardly directed coolant flow. The lower coolant device produces a largely vertically upward coolant flow. The two coolant streams thus form at the exit of the shrink tunnel a coolant curtain, in particular an air curtain. This prevents the hot air from escaping uncontrolled from the shrink tunnel and thus has a positive effect on the energy balance of the shrinking device.
In einer besonders bevorzugten Ausführungsform kann der Kühlmittelstrom und /oder die mindestens eine zweite Kühlmittelvorrichtung im Ausgangsbereich der Schrumpfvorrichtung bewegt werden. Insbesondere wird die Bewegung des Kühlmittelstroms und / oder die Bewegung der mindestens einen zweiten Kühlmittelvorrichtung analog zur Bewegung der Gebinde reguliert bzw. gesteuert.In a particularly preferred embodiment, the coolant flow and / or the at least one second coolant device can be moved in the exit region of the shrinking device. In particular, the movement of the coolant flow and / or the movement of the at least one second coolant device is regulated or controlled analogously to the movement of the containers.
Beispielsweise können die Düsen der Kühlmittelvorrichtung mit dem jeweiligen Gebinde mitbewegt werden, um somit möglichst lange eine kühlende Wirkung auf die Gebinde zu erzielen. Gemäß einer Ausführungsform ist beispielsweise das Gebläse unterhalb des Transportmittels verfahrbar angeordnet und bewegts sich parallel zu dem jeweiligen Gebinde mit.For example, the nozzles of the coolant device can be moved with the respective container in order to achieve a cooling effect on the container as long as possible. According to one embodiment, for example, the fan below the transport means is arranged to be movable and moves parallel to the respective container with.
Bei einer alternativen Ausführungsform mit einem Kühlkanal werden beispielsweise nur die Düsenöffnungen geöffnet, über denen sich das Gebinde gerade befindet, um somit den Kühlmittelstrom nur in diesen Bereichen zu erzeugen. Hierbei kann vorgesehen sein, dass die Position der Gebinde auf dem Transportmittel sensorisch ermittelt und an eine Steuerungseinheit übermittelt wird. Die Steuerungseinheit steuert das Öffnen bzw. Schließen der entsprechenden Düsen, insbesondere unter Berücksichtigung relevanter Parameter der Vorrichtung, beispielsweise unter Berücksichtigung der Geschwindigkeit des Transportmittels etc. Bei den Sensoren kann es sich beispielsweise um Bild erfassende Sensoren handeln, weiterhin können auch gewichts- oder druckempfindliche Sensoren oder andere geeignete Sensoren eingesetzt werden. Eine solche gezielte Steuerung des Kühlmittels ist möglich, da die Gebinde auf der Transportstrecke beabstandet voneinander transportiert werden. Die Beabstandung ist insbesondere notwendig, um eine allseitige Kühlung der weitgehend senkrecht zur Transportfläche angeordneten Gebinde- Seitenflächen zu erzielen.In an alternative embodiment with a cooling channel, for example, only the nozzle openings are opened, over which the container is currently located, so as to generate the coolant flow only in these areas. It can be provided that the position of the container on the means of transport is sensed and transmitted to a control unit. The control unit controls the opening and closing of the respective nozzles, in particular taking into account relevant parameters of the device, for example, taking into account the speed of the means of transport, etc. In the sensors can For example, they may be image sensing sensors, and weight or pressure sensitive sensors or other suitable sensors may also be used. Such targeted control of the coolant is possible because the containers are transported spaced apart on the transport path. The spacing is particularly necessary in order to achieve an all-round cooling of the arranged largely perpendicular to the transport surface container side surfaces.
Weiterhin können im Ausgangsbereich der Schrumpfvorrichtung zusätzliche seitliche Kühlmittelvorrichtungen vorgesehen sein, so dass in diesem Bereich allumfänglich um die Transportstrecke herum Kühlmittelvorrichtungen angeordnet sind. Die verschiedenen Kühlmittelvorrichtungen sind vorzugsweise in einer Ebene senkrecht zur Transportebene angeordnet, so dass die Gebinde durch einen Kühlluftvorhang bzw. Kühlluftschild fahren und von allen Seiten her, insbesondere von oben und unten und ggf. von den Seiten her, mit Kühlluft beaufschlagt werden. Die Kühlmittelvorrichtungen können beispielsweise in etwa ringförmig, oval, in einer rechteckigen Form o.ä. um die Transportebene herum angeordnet sein.Furthermore, additional lateral coolant devices can be provided in the exit area of the shrinking device so that coolant devices are arranged all around the transport route in this area. The various coolant devices are preferably arranged in a plane perpendicular to the transport plane, so that the containers pass through a cooling air curtain or cooling air shield and are supplied with cooling air from all sides, in particular from above and below and possibly from the sides. For example, the coolant devices may be approximately annular, oval, rectangular, or the like. be arranged around the transport plane around.
Weiterhin kann vorgesehen sein, dass der Abstand zwischen den Kühlmittelvorrichtungen und den Gebinden entsprechend der Größe und Form der Gebinde eingestellt werden kann, um die Kühlmittelzufuhr optimal an die jeweiligen Gebinde anzupassen. Beispielsweise kann mindestens ein Sensor verwendet werden, der am Ausgang des Schrumpftunnels die Größe, Form etc. der Gebinde erfasst und die ermittelten Daten an eine Steuerungseinheit überträgt. Daraufhin reguliert die Steuerungseinheit die Position der Kühlmittelvorrichtungen und stellt somit den optimalen Abstand zwischen den Kühlmittelvorrichtungen und den Gebinden ein.Furthermore, it can be provided that the distance between the coolant devices and the containers can be adjusted according to the size and shape of the container in order to optimally adapt the coolant supply to the respective container. For example, at least one sensor can be used which detects the size, shape, etc. of the containers at the outlet of the shrinking tunnel and transmits the determined data to a control unit. Thereafter, the control unit regulates the position of the coolant devices and thus sets the optimum distance between the coolant devices and the containers.
Im Folgenden sollen Ausführungsbeispiele die Erfindung und ihre Vorteile anhand der beigefügten Figuren näher erläutern. Die Größenverhältnisse der einzelnen Elemente zueinander in den Figuren entsprechen nicht immer den realen Größenverhältnissen, da einige Formen vereinfacht und andere Formen zur besseren Veranschaulichung vergrößert im Verhältnis zu anderen Elementen dargestellt sind.
-
zeigt eine schematische Ansicht einer Schrumpfvorrichtung mit nachgeordneter Transportvorrichtung gemäß dem bekannten Stand der Technik.Figur 1 -
zeigt eine Vergrößerung des Ausgangsbereiches einer Schrumpfvorrichtung gemäß dem bekannten Stand der Technik.Figur 2 -
zeigt eine schematische Teil- Ansicht einer erfindungsgemäßen Schrumpfvorrichtung.Figur 3 -
zeigt eine schematische Teil- Ansicht einer weiteren Ausführungsform einer erfindungsgemäßen Schrumpfvorrichtung.Figur 4 -
zeigt eine schematische Teil- Ansicht einer weiteren Ausführungsform einer erfindungsgemäßen Schrumpfvorrichtung.Figur 5 -
zeigen jeweils einen schematischen Querschnitt durch den Ausgangsbereichs einer Schrumpfvorrichtung.Figuren 6 bis 8 -
Figur 9 zeigt eine weitere Ausführungsform einer erfindungsgemäßen Schrumpfvorrichtung.
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FIG. 1 shows a schematic view of a shrinking device with downstream transport device according to the known prior art. -
FIG. 2 shows an enlargement of the output range of a shrinking device according to the known prior art. -
FIG. 3 shows a schematic partial view of a shrinking device according to the invention. -
FIG. 4 shows a schematic partial view of another embodiment of a shrinking device according to the invention. -
FIG. 5 shows a schematic partial view of another embodiment of a shrinking device according to the invention. -
FIGS. 6 to 8 each show a schematic cross section through the output region of a shrinking device. -
FIG. 9 shows a further embodiment of a shrinking device according to the invention.
Für gleiche oder gleich wirkende Elemente der Erfindung werden identische Bezugszeichen verwendet. Ferner werden der Übersicht halber nur Bezugszeichen in den einzelnen Figuren dargestellt, die für die Beschreibung der jeweiligen Figur erforderlich sind. Die dargestellten Ausführungsformen stellen lediglich Beispiele dar, wie die erfindungsgemäße Vorrichtung oder das erfindungsgemäße Verfahren ausgestaltet sein können und stellen keine abschließende Begrenzung dar.For identical or equivalent elements of the invention, identical reference numerals are used. Furthermore, for the sake of clarity, only reference symbols are shown in the individual figures, which are required for the description of the respective figure. The illustrated embodiments are merely examples of how the device or method of the invention may be configured and are not an exhaustive limitation.
Artikel, insbesondere Getränkebehälter, Flaschen 6, Dosen o.ä. werden in Gruppen zusammengestellt und mit Schrumpffolie 7 umhüllt. Diese Artikelzusammenstellungen bezeichnet man auch als Gebinde 5. Die Gebinde 5 werden in Transportrichtung TR auf einem Transportmittel, insbesondere einem Förderband 10, über einen Eingangsbereich 3 einem Schrumpftunnel 2 zugeführt. In dem Schrumpftunnel 2 sind Heizmittel (nicht dargestellt) angeordnet, die die Gebinde 5 beispielsweise mit heißer Luft beaufschlagen. Dadurch schrumpft die Folie 7 der Umverpackung und legt sich dabei allseitig an die Artikel an und bildet somit fertiges Gebinde 5* bzw. eine Verpackungseinheit. Im Ausgangsbereich 4 der Schrumpfvorrichtung 1 sind oberhalb des Förderbands 10 Gebläse 20 angeordnet, mit denen kalte Luft 22 auf die warmen Gebinde 5* geblasen wird, um diese vor der Übergabe U an ein weiteres Transportband 12 abzukühlen und dadurch zu gewährleisten, dass die Gebinde 5** vor der Übergabe U fest und stabil sind. Durch das Abkühlen der nach dem Verlassen des Schrumpftunnels 2 warmen Gebinde 5* und vor der Weitergabe der Gebinde 5* an weitere Vorrichtungen - beispielsweise vor der Übergabe U an ein weiteres Transportband 12 - soll verhindert werden, dass die mit noch warmer Folie 7* umhüllten Gebinde 5* instabil sind und im weiteren Verlauf beschädigt werden können.Articles, in particular beverage containers,
Das Förderband 10, auf dem die Gebinde 5, 5* durch die Schrumpfvorrichtung 15a befördert werden, ist luftdurchlässig ausgebildet, beispielsweise handelt es sich um eine Förderkette 11 oder um einen Mattenkettenförderer, wobei zwischen den Kettengliedern Öffnungen ausgebildet sind. Im Ausgangsbereich 16a der Schrumpfvorrichtung 15a sind unterhalb des Förderband 10 Kühlmittelvorrichtungen 25 angeordnet. Im dargestellten Ausführungsbeispiel handelt es sich um Gebläse 27, die Kühlluft 26 von unten her durch das Förderband 10 hindurch nach oben blasen. Dadurch kann insbesondere der Bodenbereich der warmen Gebinde 5* gekühlt werden. Weiterhin werden durch den Kühlluftstrom 26 auch die unteren Bereiche der Stirnseiten und Seitenflächen der Gebinde 5* mit mehr Kühlluft 22 und 26 beaufschlagt, da der Abstand zwischen unterer Kühlmittelvorrichtung 25 und diesen Bereichen geringer ist als der Abstand zwischen den oberen Kühlmittelvorrichtungen 20 und diesen Bereichen.The
Bei der Kühlmittelvorrichtung 25 handelt es sich beispielsweise um mindestens einen Ventilator, der so unterhalb von einem Lochblech oder direkt unterhalb des Förderbands 10 angeordnet ist, dass die Kühlluft 26 nach oben in Richtung der warmen Gebinde 5* geblasen wird. Vorzugsweise weist der Austrittswinkel α der Kühlluft 26 in Bezug zur Transportebene einen Betrag zwischen 30 ° bis 150 ° auf.The
Durch die beiden Kühlmittelströme 22*, 26* direkt im Ausgangsbereich des Schrumpftunnels 2 wird ein so genannter Kühlmittelvorhang 30 gebildet. Dieser Kühlmittelvorhang 30 bewirkt zum einen eine direkte Abkühlung der warmen Gebinde 5* von unten und oben und zum anderen verhindert er, dass warme Luft aus dem Schrumpftunnel 2 entweicht. Dadurch wird effektiv ein Wärmeverlust verhindert, wodurch die Energiekosten für den Schrumpftunnel 2 verringert werden können. Die nachgeordneten Kühlmittelströme 22, 26 dienen der weiteren Gebindekühlung. Insbesondere dient der Kühlmittelstrom 26 der Kühlung der Gebinde 5* von unten her, um die beschriebenen Probleme in Bezug auf Beschädigung und / oder ungewünschte Verformung der Verpackungsfolie 7* zu beheben.Through the two
Gemäß einer weiteren, nicht dargestellten Ausführungsform kann die Kühlmittelvorrichtung auch mehrere Düsenöffnungen entlang der Transportstrecke aufweisen, die nacheinander aktiviert werden, insbesondere in Abhängigkeit davon, an welcher Position sich das jeweilige Gebinde 5* befindet. Hierfür kann beispielsweise ein Sensor vorgesehen sein, der die Position der Gebinde 5* ermittelt und die Daten an eine Steuerungseinheit übermittelt, die die Düsenöffnungen eines Kühlmittelkanals o.ä. entsprechend reguliert.According to a further, not shown embodiment, the coolant device may also have a plurality of nozzle openings along the transport path, which are activated successively, in particular depending on which position is the
Weiterhin kann vorgesehen sein, dass die oberhalb der Transportebene angeordneten Kühlmittelvorrichtungen 20 mit der nach unten gerichteten Kühlluft 22 ebenfalls parallel zur Transportstrecke bewegt werden oder entsprechend reguliert werden können (ebenfalls nicht dargestellt).Furthermore, it can be provided that the
Die Erfindung wurde unter Bezugnahme auf eine bevorzugte Ausführungsform beschrieben. Es ist jedoch für einen Fachmann vorstellbar, dass Abwandlungen oder Änderungen der Erfindung gemacht werden können, ohne dabei den Schutzbereich der nachstehenden Ansprüche zu verlassen.The invention has been described with reference to a preferred embodiment. However, it will be apparent to those skilled in the art that modifications or changes may be made to the invention without departing from the scope of the following claims.
- 11
- Schrumpfvorrichtungshrinker
- 22
- Schrumpftunnelshrink tunnel
- 33
- Eingangsbereichentrance area
- 44
- Ausgangsbereichoutput range
- 5, 5*5, 5 *
- Gebinde / VerpackungseinheitContainer / packaging unit
- 66
- Flaschebottle
- 77
- Schrumpffolie / VerpackungsfolieShrink film / packaging film
- 1010
- Förderbandconveyor belt
- 1111
- Förderketteconveyor chain
- 1212
- Transportbandconveyor belt
- 15a, 15b, 15c15a, 15b, 15c
- Schrumpfvorrichtungshrinker
- 16a, 16b, 16c16a, 16b, 16c
- Ausgangsbereichoutput range
- 20, 20*20, 20 *
- erste Kühlmittelvorrichtung / Gebläsefirst coolant device / blower
- 22, 22*22, 22 *
- Kühlmittel / KühlluftCoolant / Cooling air
- 2525
- zweite Kühlmittelvorrichtungsecond coolant device
- 26, 26*26, 26 *
- Kühlmittel / KühlluftCoolant / Cooling air
- 27, 27*27, 27 *
- Gebläsefan
- 2828
- Kühlkanalcooling channel
- 2929
- Düsenöffnungnozzle opening
- 3030
- KühlmittelvorhangCoolant curtain
- 4040
- seitlich angeordnete Kühlmittelvorrichtunglaterally arranged coolant device
- 4242
- Kühlmittel / KühlluftCoolant / Cooling air
- 4545
- Sensorsensor
- 5050
- Steuerungcontrol
Claims (12)
Priority Applications (1)
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SI201230259T SI2551207T1 (en) | 2011-07-25 | 2012-06-01 | Shrink device with container cooling |
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DE102011052101.1A DE102011052101B4 (en) | 2011-07-25 | 2011-07-25 | Shrinkage device with container cooling |
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EP2551207A1 true EP2551207A1 (en) | 2013-01-30 |
EP2551207B1 EP2551207B1 (en) | 2015-04-29 |
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EP (1) | EP2551207B1 (en) |
CN (1) | CN102897355B (en) |
DE (1) | DE102011052101B4 (en) |
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EP4043354A1 (en) * | 2021-02-16 | 2022-08-17 | Krones Aktiengesellschaft | Shrinking device, method of optimizing the shrinking of packaging material onto an assembly comprising at least one item and shrink module |
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SU1528690A1 (en) * | 1987-11-02 | 1989-12-15 | Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения | Thermal shrinkage furnace |
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2011
- 2011-07-25 DE DE102011052101.1A patent/DE102011052101B4/en active Active
-
2012
- 2012-06-01 SI SI201230259T patent/SI2551207T1/en unknown
- 2012-06-01 EP EP20120170497 patent/EP2551207B1/en not_active Revoked
- 2012-07-25 CN CN201210260644.5A patent/CN102897355B/en active Active
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DE2156651A1 (en) * | 1970-11-13 | 1972-05-18 | Tokyo Shibaura Electric Co. Ltd., Kawasaki (Japan) | Device for fixing stacks or bundles of sheet material |
DE2320424A1 (en) | 1972-09-04 | 1974-03-14 | Lara Sa | PROCEDURE FOR CONTINUOUS PACKAGING OF ITEMS AND DEVICE FOR CARRYING OUT THE PROCEDURE |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016213067A1 (en) | 2016-07-18 | 2018-01-18 | Krones Aktiengesellschaft | Conveying section of a packaging or treatment device for piece goods or containers |
WO2018115246A1 (en) * | 2016-12-21 | 2018-06-28 | Cryovac, Inc. | Apparatus for heat shrinking a package and method for heat shrinking a package |
US11661224B2 (en) | 2016-12-21 | 2023-05-30 | Cryovac, Llc | Apparatus for heat shrinking a package and method for heat shrinking a package |
EP4043354A1 (en) * | 2021-02-16 | 2022-08-17 | Krones Aktiengesellschaft | Shrinking device, method of optimizing the shrinking of packaging material onto an assembly comprising at least one item and shrink module |
CN114940290A (en) * | 2021-02-16 | 2022-08-26 | 克朗斯股份公司 | Shrinking device, method for optimizing the shrinking of a packaging material onto a group comprising at least one article of commerce and shrink medium module |
Also Published As
Publication number | Publication date |
---|---|
DE102011052101A1 (en) | 2013-01-31 |
CN102897355B (en) | 2016-02-03 |
DE102011052101B4 (en) | 2023-10-05 |
CN102897355A (en) | 2013-01-30 |
SI2551207T1 (en) | 2015-08-31 |
EP2551207B1 (en) | 2015-04-29 |
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