EP2336033A1 - Method and device for wrapping a stack of goods with a film - Google Patents
Method and device for wrapping a stack of goods with a film Download PDFInfo
- Publication number
- EP2336033A1 EP2336033A1 EP09015790A EP09015790A EP2336033A1 EP 2336033 A1 EP2336033 A1 EP 2336033A1 EP 09015790 A EP09015790 A EP 09015790A EP 09015790 A EP09015790 A EP 09015790A EP 2336033 A1 EP2336033 A1 EP 2336033A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- counter
- rollers
- drive roller
- pair
- 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
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 abstract description 16
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229920006300 shrink film Polymers 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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
- B65B9/135—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state for palletised loads
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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
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
- B65B59/003—Arrangements to enable adjustments related to the packaging material
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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
- B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
- B65B59/02—Arrangements to enable adjustments to be made while the machine is running
Definitions
- the invention relates to a device for wrapping or packaging a stack of goods with a film, wherein the device has a Folienzu Siliconkopf and a Kochtieh Surprise.
- the invention further relates to a method for wrapping or packaging a stack of goods with a film.
- Foil means in the context of the invention, in particular a plastic film and preferably an elastic plastic film.
- the stack can on the one hand from stacked goods such. As boxes or the like exist. On the other hand, it may be in the stack but also products from the white area such. B. refrigerators act. The stack is conveniently added to a pallet.
- the invention is the technical problem of providing a device of the type mentioned, in which the above-described disadvantage can be effectively avoided.
- the invention is further based on the technical problem of specifying a corresponding method.
- the invention teaches a device for wrapping a stack of goods with a film, with a Folienzu211kopf for selectively supplying a first film or a second film, a coating device for coating the first film or the second film over the good stack and with a first sheet supply for the first sheet and a second sheet supply for the second sheet, wherein the Folienzu211 has a drive roller, a first pair of counter-rollers and second pair of counter-rollers and wherein either either the first pair of counter-rollers with the interposition of the first film in contact with the drive roller can be brought and the drive roller, for feeding the first film is driven or the second pair of counter-rollers with the interposition of the second film in contact with the drive roller can be brought and the drive roller is drivable for feeding the second film.
- the drive roller is arranged stationary and either the first pair of counter-rollers or the second pair of counter-rollers can be brought either by pivoting or approaching the drive roller on the drive roller for conditioning.
- the first pair of counter rollers are in contact with the drive roller, the first sheet is disposed between the first counter rollers and the drive roller and abuts the outer surface of the drive roller over a part of the outer circumference of the drive roller.
- the second pair of counter rollers are in contact with the drive roller, the second film is disposed between the second counter rollers and the drive roller and abuts on the outer surface of the drive roller over part of the outer circumference of the drive roller.
- the drive roller when the drive roller is driven, either the first film or the second film can be supplied to the stack to be wrapped in this way.
- the counter-rollers of the first pair and the second pair of counter-rollers are not driven and only the drive roller is driven.
- the counter-rollers of the first Paares and the second pair are driven.
- only the counter-rollers of the first pair or second pair can be driven and the drive roller is then not driven.
- the term drive roller does not mean that the roller must be actively driven. It is also possible that in the above-described embodiments, only a counter-roller of the first pair and / or the second pair of counter-rollers is driven.
- the aggregate of drive roller, first pair of counter-rollers and second pair of counter-rollers is also referred to briefly as a film drive device.
- the lengths of the drive roller and the counter-rollers correspond to at least the width of the supplied film and are preferably greater than the width of the supplied film.
- Length of the drive roller and lengths of the counter rollers means the extensions in the direction of the axes of rotation.
- the first film and the second film are different films which differ in particular with respect to their film format (film dimensions) and / or their film thickness and / or their film material.
- the first film and / or the second film can be supplied as a film tube.
- the first film supply and / or the second film supply are then a first and / or second film tube stock.
- two übereinandediegende layers of the film tube are introduced into the film drive means.
- two directly superimposed layers of the first film tube are thus arranged between the first pair of counter-rollers and the drive roller.
- the first and / or the second film tube is designed as a side gusset tube.
- the film tube in a conventional manner, in addition to the two above-mentioned layers expediently on each side of a fold.
- a recommended embodiment variant is characterized in that a foil tube is pulled over as a foil hood over the stack and for this purpose a welding of the foil tube, which will be explained below, takes place.
- the FolienzuFWkopf is arranged when feeding film or film tube above the stack of goods.
- the FolienzuFWkopf has a film separating device for separating a first film portion of the first film or for separating a second film portion of the second film and this film separating device is arranged in the film feeding behind the film drive means of drive roller and counter-rollers.
- a single film separating device is provided both for separating first film sections from the first film and for separating second film sections from the second film. A separated from the film separating device first or second film section is then covered over the stack.
- the film drive device is arranged above the film separating device.
- the film separating device is expediently designed in the form of a film cutting device and in particular as a film knife.
- the Folienzu semiconductorkopf on a film welding device with which one end of a film section is welded with the proviso that a hood-shaped film portion or a film hood is formed.
- the film welding device is expediently behind the film drive device in the film feed direction arranged from drive roller and counter rollers. It is recommended that only a foil welding device is provided both for welding one end of a first foil section and for welding one end of a second foil section.
- the film welding device consists of two movable against each welding bar.
- the film drive device is preferably arranged above the film welding device, and the film separating device is preferably arranged between the film drive device and the film welding device.
- an opening device for opening a film tube is provided before coating the film tube on the stack. Appropriately, this opening device is designed as a suction opening device.
- the first pair of counter-rollers is arranged on one side of the drive roller and that the second pair of counter-rollers is arranged on the opposite side of the drive roller.
- the counter-rollers of the first pair and / or the counter-rollers of the second pair are arranged one behind the other in the feed direction of the film.
- the two counter-rollers of the first pair of counter-rollers and / or the two counter-rollers of the second pair of counter-rollers are arranged vertically or substantially vertically above one another.
- Vertical arrangement means in particular that a vertical extends through the two axes of rotation of the first pair of counter-rollers or through the two axes of rotation of the second pair of counter-rollers.
- the vertical arrangement of the first two counter-rollers and / or the second two counter-rollers is present both in the voltage applied to the drive roller state and out of engagement with the drive roller.
- the axis of rotation of an upper counter-roller of the first pair of counter-rollers and / or the axis of rotation of an upper counter-roller of the second pair of counter-rollers is arranged above the axis of rotation of the drive roller.
- the axis of rotation of a lower counter-roller of the first pair of counter-rollers and / or the axis of rotation of a lower counter-roller of the second pair of counter-rollers is arranged below the axis of rotation of the drive roller.
- the axis of rotation of the upper counter-roller of the first pair of counter-rollers is arranged at the same height as the axis of rotation of the upper counter-roller of the second pair of counter-rollers.
- the same height means, in particular, that a horizontal runs through the axes of rotation of the two counter-rollers.
- the axis of rotation of the lower counter-roller of the first pair of counter-rollers is at the same height as the height of the axis of rotation of the lower counter-roller of the second pair of counter-rollers.
- a particularly preferred embodiment of the invention is characterized in that the angle ⁇ between a straight line through the axis of rotation of the drive roller and through the axis of rotation of a voltage applied to the drive roller counter roller and a horizontal 30 ° to 55 °, preferably 35 ° to 50 °.
- the above condition applies to all four counter-rollers when they respectively abut against the drive roller or are in contact with the drive roller.
- the aforementioned angle ⁇ is 37 ° to 41 ° or approximately 40 °. If, above and below, there is talk of a counter roll or counter rolls resting against the drive roll or being in contact with the drive roll, this means that the respective film to be fed or the film hose to be supplied in each case is interposed between counter roll and drive roll.
- the diameter of the drive roller is greater than the diameter of the counter-rollers. It is understood that the diameter perpendicular to the axis of rotation of the drive roller or perpendicular to Rotary axis of a counter-roller is measured. Conveniently, the diameter of the drive roller is at least 1.5 times, preferably at least 1.7 times as large as the diameter of the counter-rollers. Preferably, all counter rollers have the same diameter.
- the outer surface of the drive roller is made of a rubber material.
- the outer surface of the drive roller is in the supply or in the promotion of a film or a film tube in contact with the film or with the film tube.
- the film preferably wraps around at least 16%, preferably at least 18% and preferably at least 20% of the outer circumference of the drive roller.
- the first film and the second film are introduced from the same side of the apparatus into the film drive means.
- the first film is fed below the second film of Foüenantriebs issued.
- the first film supply and the second film supply are arranged on the same side of the device.
- the first and second film supply are arranged one above the other.
- the invention also relates to a method for wrapping a stack of goods with a film, wherein from a FolienzuTHERkopf optionally a first film or a second film is fed, wherein the FolienzuTHERkopf has a drive roller, a first pair of counter-rollers and a second pair of counter-rollers and wherein optionally either the first pair of counter-rollers is brought into contact with the drive roller with the interposition of the first film and the drive roller is driven for feeding the first film or the second pair of counter-rollers with interposition the second sheet is brought into contact with the drive roller and the drive roller is driven to feed the second sheet.
- the invention is based on the finding that with the device according to the invention or with the method according to the invention a simple, less complicated and at the same time functionally reliable change between the feeding of a first type of film and a second type of film is possible.
- the change between the two types of film can be done in particular surprisingly quickly.
- the two types of film may be films of different formats or, for example, film types of different materials.
- the invention has proven particularly useful in the feeding of film tubes.
- the invention is further based on the finding that the film is significantly easier to machine compared to known devices due to the inventive design of the device. - It should also be emphasized that the device according to the invention is constructed relatively simply or with little complexity and can be realized with relatively low production costs.
- Fig. 1 shows a device for wrapping a stack of goods 1 with a film 4, 5.
- the stack 1 is arranged on a pallet 2.
- the device has a FolienzuGermankopf 3 for selectively supplying a first film 4 or a second film 5. Furthermore, the device is equipped with a coating device 6 for coating the first film 4 or second film 5 over the stack 1. Furthermore, a first film supply 7 in the form of a film roll for the first film 4 and a second film supply 8 in the form of a film roll for the second film 5 is provided.
- both the first film 4 and the second film 5 is supplied as a film tube.
- a film tube section is separated for covering over the stack each and expediently coated over the stack of goods as a non-illustrated film hood.
- a shrink frame 9 for shrinking the film 4, 5 can be seen on the stack 1.
- the invention can be used advantageously for such shrink film devices. But it can also be used advantageously for example in hood stretcher systems.
- the Fig. 2 and 3 in particular show a film drive device 10 of the FolienzuGermankopfes 3 for feeding a first film 4 or a second film 5 in detail.
- the film drive device 10 has a drivable drive roller 11, a first pair 12 of two counter-rollers 14, 16 and a second pair 13 of two counter-rollers 15, 17.
- the drive roller 11 is arranged stationary and optionally, the first pair 12 of counter rollers 14,16 or the second pair 13 of counter rollers 15, 17 are brought into contact with the drive roller 11.
- the first film 4 is interposed between the drive roller 11 and the adjacent first pair 12 of counter rollers 14, 16 ( Fig. 2 ).
- Fig. 2 shows the functional state of the film drive device 10 when feeding the first film 4 and Fig. 3
- the drive roller 11 for feeding foil 4, 5 is drivable and the first pair 12 of counter rollers 14, 16 is as well as the second pair 13 of counter rollers 15th 17 not driven.
- the Fig. 2 and 3 show that according to a preferred embodiment, the first pair 12 of counter rollers 14, 16 is arranged on one side of the drive roller 11 and that the second pair 13 of counter rollers 15, 17 is arranged on the opposite side of the drive roller 11.
- the two counter-rollers 14, 16 of the first pair 12 of counter-rollers 14, 16 and the two counter-rollers 15, 17 of the second pair 13 of counter-rollers 15, 17 are arranged vertically one above the other.
- this condition is preferred and in the embodiment both in the voltage applied to the drive roller 11 state of the counter-rollers and in the non-adjacent state of the counter-rollers 14, 15, 16, 17.
- the axis of rotation of the upper counter-roller 14 of the first pair 12 of counter rollers 14, 16 and the rotation axis of the upper counter roller 15 of the second pair 13 of counter rollers 15, 17 above the axis of rotation of the drive roller 11 is arranged.
- the rotation axis of the lower counter-roller 16 of the first pair 12 of counter-rollers 14, 16 and the rotation axis of the lower counter-roller 17 of the second pair 13 of counter-rollers 15, 17 below the axis of rotation of the drive roller 11 is arranged.
- the angle ⁇ is between a straight line G through the axis of rotation of the drive roller 11 and by the axis of rotation of one of the voltage applied to the drive roller 11 counter rollers 14,15,16,17 and a horizontal H 39 ° or in about 39 °.
- the diameter of the drive roller 11 is greater than the diameter of the counter rollers 14, 15, 16, 17. In the embodiment, the diameter of the drive roller 11 is about twice as large as the diameter of the counter rollers 14, 15, 16, 17.
- the drive roller 11 is a rubber roller or a drive roller 11 having an outer surface made of a rubber material.
- the film 4, 5 is in feeding.
- the film 4, 5 wraps around at least 18% of the outer circumference of the first or second pair 12, 13 of counter rollers 14, 15, 16, 17 Drive roller 11.
- first film 4 and the second film 5 are fed from the same side of the film drive device 10.
- the first film 4 is fed in the embodiment below the second film 5.
- the second film 5 is guided over the film drive device 10 via a deflection roller 18.
- first film supply 7 and the second film supply 8 are arranged on the same side of the device according to the invention, namely in FIG Fig. 1 one above the other.
- the film feeding head 3 has a film separating device in the form of a film knife 19 with which a first film section can be separated from the first film 4 or a second film section from the second film 5.
- This film separating device or the film knife 19 is in the exemplary embodiment below the film drive device 10 arranged.
- the Folienzu semiconductorkopf 3 a film welding device in the form of two welding bars 20. With this Foliensch bulkvorrichturtg or with the welding bar 20 one end of a film portion of the first film 4 or the second film 5 is welded with the proviso that a hood-shaped film portion or a film hood is formed. This hood-shaped film section or this film hood is then pulled over the stack 1.
- the welding bars 20 are arranged below the film drive device 10 and also below the film knife 19.
- the device according to the invention furthermore expediently and in the exemplary embodiment has an opening device 21 (not shown in greater detail) for opening a film tube. It may be in a conventional manner to a Saugö Stamms spine.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Umhüllen bzw. zum Verpacken eines Gutstapels mit einer Folie, wobei die Vorrichtung einen Folienzuführkopf und eine Übertieheinrichtung aufweist. Die Erfindung betrifft weiterhin auch ein Verfahren zum Umhüllen bzw. zum Verpacken eines Gutstapels mit einer Folie. - Folie meint im Rahmen der Erfindung insbesondere eine Kunststofffolie und vorzugsweise eine elastische Kunststofffolie. - Der Gutstapel kann zum einen aus gestapelten Gütern wie z. B. Kisten oder dergleichen bestehen. Zum anderen kann es sich bei dem Gutstapel aber auch um Produkte aus dem Weißgerätebereich wie z. B. Kühlschränke handeln. Der Gutstapel ist zweckmäßigerweise auf einer Palette aufgenommen.The invention relates to a device for wrapping or packaging a stack of goods with a film, wherein the device has a Folienzuführkopf and a Übertieheinrichtung. The invention further relates to a method for wrapping or packaging a stack of goods with a film. - Foil means in the context of the invention, in particular a plastic film and preferably an elastic plastic film. - The stack can on the one hand from stacked goods such. As boxes or the like exist. On the other hand, it may be in the stack but also products from the white area such. B. refrigerators act. The stack is conveniently added to a pallet.
Vorrichtungen der vorstehend genannten Art sind aus der Praxis in ver schiedenen Ausgestaltungen bekannt. Diese Vorrichtungen haben den Nachteil, dass aufwendige Umrüstmaßnahmen erforderlich sind, wenn nacheinander mit Folien unterschiedlichen Formates oder mit unterschiedlichen Folienarten verpackt werden soll.Devices of the aforementioned type are known from practice in various embodiments ver. These devices have the disadvantage that expensive retooling measures are required if one wants to pack successively with films of different formats or with different types of films.
Demgegenüber liegt der Erfindung das technische Problem zugrunde, eine Vorrichtung der eingangs genannten Art anzugeben, bei der der vorstehend erläuterte Nachteil effektiv vermieden werden kann. Der Erfindung liegt fernerhin das technische Problem zugrunde, ein entsprechendes Verfahren anzugeben.In contrast, the invention is the technical problem of providing a device of the type mentioned, in which the above-described disadvantage can be effectively avoided. The invention is further based on the technical problem of specifying a corresponding method.
Zur Lösung des technischen Problems lehrt die Erfindung eine Vorrichtung zum Umhüllen eines Gutstapels mit einer Folie, mit einem Folienzuführkopf zum wahlweisen Zuführen einer ersten Folie oder einer zweiten Folie, einer Überzieheinrichtung zum Überziehen der ersten Folie oder der zweiten Folie über den Gutstapel und mit einem ersten Folienvorrat für die erste Folie und einem zweiten Folienvorrat für die zweite Folie,
wobei der Folienzuführkopf eine Antriebswalze, ein erstes Paar von Gegenrollen und zweites Paar von Gegenrollen aufweist
und wobei wahlweise entweder das erste Paar von Gegenrollen unter Zwischenschaltung der ersten Folie in Kontakt mit der Antriebswalze bringbar ist und die Antriebswalze, zum Zuführen der ersten Folie antreibbar ist oder das zweite Paar von Gegenrollen unter Zwischenschaltung der zweiten Folie in Kontakt mit der Antriebswalze bringbar ist und die Antriebswalze zum Zuführen der zweiten Folie antreibbar ist.To solve the technical problem, the invention teaches a device for wrapping a stack of goods with a film, with a Folienzuführkopf for selectively supplying a first film or a second film, a coating device for coating the first film or the second film over the good stack and with a first sheet supply for the first sheet and a second sheet supply for the second sheet,
wherein the Folienzuführkopf has a drive roller, a first pair of counter-rollers and second pair of counter-rollers
and wherein either either the first pair of counter-rollers with the interposition of the first film in contact with the drive roller can be brought and the drive roller, for feeding the first film is driven or the second pair of counter-rollers with the interposition of the second film in contact with the drive roller can be brought and the drive roller is drivable for feeding the second film.
Gemäß einer bevorzugten Ausführungsform der Erfindung ist die Antriebswalze ortsfest angeordnet und kann entweder das erste Paar von Gegenrollen oder das zweite Paar von Gegenrollen wahlweise durch Anschwenken oder Anfahren an die Antriebswalze an der Antriebswalze zur Anlage gebracht werden. Wenn das erste Paar von Gegenrollen mit der Antriebswalze in Kontakt steht ist die erste Folie zwischen den ersten Gegenrollen und der Antriebswalze angeordnet und liegt über einen Teil des Außenumfangs der Antriebswalze an der Außenoberfläche der Antriebswalze an. Wenn das zweite Paar von Gegenrollen mit der Antriebswalze in Kontakt steht, ist die zweite Folie zwischen den zweiten Gegenrollen und der Antriebswalze angeordnet und liegt über einen Teil des Außenumfangs der Antriebswalze an der Außenoberfläche der Antriebswalze an. Insbesondere bei angetriebener Antriebswalze kann auf diese Weise entweder die erste Folie oder die zweite Folie dem zu umhüllenden Gutstapel zugeführt werden. Nach einer bevorzugten Ausführungsform werden die Gegenrollen des ersten Paares und des zweiten Paares von Gegenrollen nicht angetrieben und es wird lediglich die Antriebswalze angetrieben. Grundsätzlich können zusätzlich zur Antriebswalze aber auch die Gegenrollen des ersten Paares bzw. des zweiten Paares angetrieben werden. Gemäß einer Ausführungsvariante können auch lediglich die Gegenrollen des ersten Paares bzw. zweiten Paares angetrieben werden und die Antriebswalze wird dann nicht angetrieben. Insoweit meint bei dieser Ausführungsvariante der Begriff Antriebswalze nicht, dass die Walze aktiv angetrieben werden muss. Es ist auch möglich, dass bei den vorstehend erläuterten Ausführungsformen auch lediglich eine Gegenrolle des ersten Paares und/oder des zweiten Paares von Gegenrollen angetrieben wird. - Nachfolgend wird das Aggregat aus Antriebswalze, erstem Paar von Gegenrollen und zweitem Paar von Gegenrollen auch kurz als Folienantriebseinrichtung bezeichnet. - Es liegt im Übrigen im Rahmen der Erfindung, dass die Längen der Antriebswalze und der Gegenrollen zumindest der Breite der zugeführten Folie entsprechen und bevorzugt größer sind als die Breite der zugeführten Folie. Länge der Antriebswalze und Längen der Gegenrollen meint die Erstreckungen in Richtung der Drehachsen.According to a preferred embodiment of the invention, the drive roller is arranged stationary and either the first pair of counter-rollers or the second pair of counter-rollers can be brought either by pivoting or approaching the drive roller on the drive roller for conditioning. When the first pair of counter rollers are in contact with the drive roller, the first sheet is disposed between the first counter rollers and the drive roller and abuts the outer surface of the drive roller over a part of the outer circumference of the drive roller. When the second pair of counter rollers are in contact with the drive roller, the second film is disposed between the second counter rollers and the drive roller and abuts on the outer surface of the drive roller over part of the outer circumference of the drive roller. In particular, when the drive roller is driven, either the first film or the second film can be supplied to the stack to be wrapped in this way. According to a preferred embodiment, the counter-rollers of the first pair and the second pair of counter-rollers are not driven and only the drive roller is driven. In principle, in addition to the drive roller but also the counter-rollers of the first Paares and the second pair are driven. According to one embodiment, only the counter-rollers of the first pair or second pair can be driven and the drive roller is then not driven. In that regard, in this embodiment, the term drive roller does not mean that the roller must be actively driven. It is also possible that in the above-described embodiments, only a counter-roller of the first pair and / or the second pair of counter-rollers is driven. - Hereinafter, the aggregate of drive roller, first pair of counter-rollers and second pair of counter-rollers is also referred to briefly as a film drive device. - It is otherwise within the scope of the invention that the lengths of the drive roller and the counter-rollers correspond to at least the width of the supplied film and are preferably greater than the width of the supplied film. Length of the drive roller and lengths of the counter rollers means the extensions in the direction of the axes of rotation.
Es liegt im Rahmen der Erfindung, dass es sich bei der ersten Folie und bei der zweiten Folie um unterschiedliche Folien handelt, die sich insbesondere bezüglich ihres Folienformates (Folienabmessungen) und/oder ihrer Foliendicke und/oder ihres Folienmaterial unterscheiden. Nach besonders bevorzugter Ausführungsform der Erfindung ist die erste Folie und/oder ist die zweite Folie als Folienschlauch zuführbar. Bei dem ersten Folienvorrat und/oder bei dem zweiten Folienvorrat handelt es sich dann um einen ersten und/oder zweiten Folienschlauchvorrat. Bei der Zuführung eines Folienschlauches werden zwei übereinandediegende Lagen des Folienschlauches in die Folienantriebseinrichtung eingeführt. Bei der Zuführung eines ersten Folienschlauches sind also zwischen dem ersten Paar von Gegenrollen und der Antriebswalze zwei unmittelbar übereinanderliegende Lagen des ersten Folienschlauches angeordnet. Ebenso sind bei der Zuführung eines zweiten Folienschlauches zwei unmittelbar übereinanderliegende Lagen des zweiten Folienschlauches zwischen dem zweiten Paar von Gegenrollen und der Antriebswalze zwischengeschaltet. Nach einer bevorzugten Ausführungsform der Erfindung ist der erste und/oder der zweite Folienschlauch als Seitenfaltenschlauch ausgebildet. Dann weist der Folienschlauch in an sich bekannter Weise neben den beiden genannten übereinanderliegenden Lagen zweckmäßigerweise an jeder Seite eine Falte auf. Eine empfohlene Ausführungsvariante ist dadurch gekennzeichnet, dass ein Folienschlauch als Folienhaube über den Gutstapel übergezogen wird und dazu eine weiter unten noch erläuterte Verschweißung des Folienschlauches stattfindet.It is within the scope of the invention that the first film and the second film are different films which differ in particular with respect to their film format (film dimensions) and / or their film thickness and / or their film material. According to a particularly preferred embodiment of the invention, the first film and / or the second film can be supplied as a film tube. The first film supply and / or the second film supply are then a first and / or second film tube stock. When feeding a film tube two übereinandediegende layers of the film tube are introduced into the film drive means. When supplying a first film tube, two directly superimposed layers of the first film tube are thus arranged between the first pair of counter-rollers and the drive roller. Likewise, when a second film tube is fed, two layers of the second film tube lying directly above one another are disposed between the second pair of counter-rollers and the drive roller interposed. According to a preferred embodiment of the invention, the first and / or the second film tube is designed as a side gusset tube. Then, the film tube in a conventional manner, in addition to the two above-mentioned layers expediently on each side of a fold. A recommended embodiment variant is characterized in that a foil tube is pulled over as a foil hood over the stack and for this purpose a welding of the foil tube, which will be explained below, takes place.
Es liegt im Rahmen der Erfindung, dass der Folienzuführkopf beim Zuführen von Folie bzw. von Folienschlauch oberhalb des Gutstapels angeordnet ist. Zweckmäßigerweise weist der Folienzuführkopf eine Folientrenneinrichtung zum Abtrennen eines ersten Folienabschnittes von der ersten Folie oder zum Abtrennen eines zweiten Folienabschnittes von der zweiten Folie auf und diese Folientrenneinrichtung ist in Folienzuführrichtung hinter der Folienantriebseinrichtung aus Antriebswalze und Gegenrollen angeordnet. Zweckmäßigerweise ist eine einzige Folientrenneinrichtung sowohl zum Abtrennen von ersten Folienabschnitten von der ersten Folie als auch zum Abtrennen von zweiten Folienabschnitten von der zweiten Folie vorgesehen. Ein von der Folientrenneinrichtung abgetrennter erster oder zweiter Folienabschnitt wird dann über den Gutstapel übergezogen. Es liegt im Rahmen der Erfindung, dass die Folienantriebseinrichtung oberhalb der Folientrenneinrichtung angeordnet ist. Zweckmäßigerweise ist die Folientrenneinrichtung in Form einer Folienschneideinrichtung und insbesondere als Folienmesser ausgebildet.It is within the scope of the invention that the Folienzuführkopf is arranged when feeding film or film tube above the stack of goods. Conveniently, the Folienzuführkopf has a film separating device for separating a first film portion of the first film or for separating a second film portion of the second film and this film separating device is arranged in the film feeding behind the film drive means of drive roller and counter-rollers. Conveniently, a single film separating device is provided both for separating first film sections from the first film and for separating second film sections from the second film. A separated from the film separating device first or second film section is then covered over the stack. It is within the scope of the invention that the film drive device is arranged above the film separating device. The film separating device is expediently designed in the form of a film cutting device and in particular as a film knife.
Nach besonders bevorzugter Ausführungsform der Erfindung weist der Folienzuführkopf eine Folienschweißeinrichtung auf, mit der ein Ende eines Folienabschnittes mit der Maßgabe verschweißbar ist, dass ein haubenförmiger Folienabschnitt bzw. eine Folienhaube gebildet wird. Zweckmäßigerweise ist die Folienschweißvorrichtung in Folienzuführrichtung hinter der Folienantriebseinrichtung aus Antriebswalze und Gegenrollen angeordnet. Es empfiehlt sich, dass lediglich eine Folienschweißeinrichtung sowohl zum Verschweißen eines Endes eines ersten Folienabschnittes als auch zum Verschweißen eines Endes eines zweiten Folienabschnittes vorgesehen ist. Nach bevorzugter Ausführungsvariante besteht die Folienschweißeinrichtung aus zwei gegeneinander fahrbaren Schweißbalken. Vorzugsweise ist die Folienantriebseinrichtung oberhalb der Folienschweißvorrichtung angeordnet und bevorzugt ist die Folientrenneinrichtung zwischen Folienantriebseinrichtung und Folienschweißvorrichtung angeordnet. - Es liegt im Übrigen im Rahmen der Erfindung, dass eine Öffnungseinrichtung zum Öffnen eines Folienschlauches vor dem Überziehen des Folienschlauches über den Gutstapel vorgesehen ist. Zweckmäßigerweise ist diese Öffnungseinrichtung als Saugöffnungseinrichtung ausgebildet.According to a particularly preferred embodiment of the invention, the Folienzuführkopf on a film welding device with which one end of a film section is welded with the proviso that a hood-shaped film portion or a film hood is formed. The film welding device is expediently behind the film drive device in the film feed direction arranged from drive roller and counter rollers. It is recommended that only a foil welding device is provided both for welding one end of a first foil section and for welding one end of a second foil section. According to a preferred embodiment, the film welding device consists of two movable against each welding bar. The film drive device is preferably arranged above the film welding device, and the film separating device is preferably arranged between the film drive device and the film welding device. - It is otherwise within the scope of the invention that an opening device for opening a film tube is provided before coating the film tube on the stack. Appropriately, this opening device is designed as a suction opening device.
Es liegt fernerhin im Rahmen der Erfindung, dass das erste Paar von Gegenrollen auf einer Seite der Antriebswalze angeordnet ist und dass das zweite Paar von Gegenrollen auf der gegenüberliegenden Seite der Antriebswalze angeordnet ist. Zweckmäßigerweise sind die Gegenrollen des ersten Paares und/oder die Gegenrollen des zweiten Paares in Zuführungsrichtung der Folie hintereinander angeordnet bzw. übereinander angeordnet. Nach besonders bevorzugter Ausführungsform der Erfindung sind die beiden Gegenrollen des ersten Paares von Gegenrollen und/oder die beiden Gegenrollen des zweiten Paares von Gegenrollen vertikal bzw. im Wesentlichen vertikal übereinander angeordnet. Vertikale Anordnung meint dabei insbesondere, dass eine Vertikale durch die beiden Drehachsen des ersten Paares von Gegenrollen bzw. durch die beiden Drehachsen des zweiten Paares von Gegenrollen verläuft. Zweckmäßigerweise liegt die vertikale Anordnung der ersten beiden Gegenrollen und/oder der zweiten beiden Gegenrollen sowohl im an der Antriebswalze anliegenden Zustand als auch außer Eingriff mit der Antriebswalze vor.It is further within the scope of the invention that the first pair of counter-rollers is arranged on one side of the drive roller and that the second pair of counter-rollers is arranged on the opposite side of the drive roller. Appropriately, the counter-rollers of the first pair and / or the counter-rollers of the second pair are arranged one behind the other in the feed direction of the film. According to a particularly preferred embodiment of the invention, the two counter-rollers of the first pair of counter-rollers and / or the two counter-rollers of the second pair of counter-rollers are arranged vertically or substantially vertically above one another. Vertical arrangement means in particular that a vertical extends through the two axes of rotation of the first pair of counter-rollers or through the two axes of rotation of the second pair of counter-rollers. Conveniently, the vertical arrangement of the first two counter-rollers and / or the second two counter-rollers is present both in the voltage applied to the drive roller state and out of engagement with the drive roller.
Vorzugsweise ist die Drehachse einer oberen Gegenrolle des ersten Paares von Gegenrollen und/oder die Drehachse einer oberen Gegenrolle des zweiten Paares von Gegenrollen oberhalb der Drehachse der Antriebswalze angeordnet. Zweckmäßigerweise ist die Drehachse einer unteren Gegenrolle des ersten Paares von Gegenrollen und/oder die Drehachse einer unteren Gegenrolle des zweiten Paares von Gegenrollen unterhalb der Drehachse der Antriebswalze angeordnet. Empfohlenermaßen ist die Drehachse der oberen Gegenrolle des ersten Paares von Gegenrollen auf der gleichen Höhe wie die Drehachse der oberen Gegenrolle des zweiten Paares von Gegenrollen angeordnet. Gleiche Höhe meint hier insbesondere, dass eine Horizontale durch die Drehachsen der beiden Gegenrollen verläuft. Zweckmäßigerweise liegt die Drehachse der unteren Gegenrolle des ersten Paares von Gegenrollen auf der gleichen Höhe wie die Höhe der Drehachse der unteren Gegenrolle des zweiten Paares von Gegenrollen. Eine besonders bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass der Winkel α zwischen einer Geraden durch die Drehachse der Antriebswalze und durch die Drehachse einer an der Antriebswalze anliegenden Gegenrolle und einer Horizontalen 30° bis 55°, vorzugsweise 35° bis 50° beträgt. Zweckmäßigerweise trifft die vorgenannte Bedingung für alle vier Gegenrollen zu, wenn sie jeweils an der Antriebswalze anliegen bzw. in Kontakt mit der Antriebswalze stehen. Vorzugsweise beträgt der vorgenannte Winkel α 37° bis 41° bzw. in etwa 40°. Wenn vorstehend und nachfolgend die Rede davon ist, dass eine Gegenrolle bzw. dass Gegenrollen an der Antriebswalze anliegen oder in Kontakt mit der Antriebswalze stehen, meint dies, dass stets die jeweils zuzführende Folie bzw. der jeweils zuzuführende Folienschlauch zwischen Gegenrolle und Antriebswalze zwischengeschaltet ist.Preferably, the axis of rotation of an upper counter-roller of the first pair of counter-rollers and / or the axis of rotation of an upper counter-roller of the second pair of counter-rollers is arranged above the axis of rotation of the drive roller. Conveniently, the axis of rotation of a lower counter-roller of the first pair of counter-rollers and / or the axis of rotation of a lower counter-roller of the second pair of counter-rollers is arranged below the axis of rotation of the drive roller. Empfohlenermaßen the axis of rotation of the upper counter-roller of the first pair of counter-rollers is arranged at the same height as the axis of rotation of the upper counter-roller of the second pair of counter-rollers. The same height here means, in particular, that a horizontal runs through the axes of rotation of the two counter-rollers. Conveniently, the axis of rotation of the lower counter-roller of the first pair of counter-rollers is at the same height as the height of the axis of rotation of the lower counter-roller of the second pair of counter-rollers. A particularly preferred embodiment of the invention is characterized in that the angle α between a straight line through the axis of rotation of the drive roller and through the axis of rotation of a voltage applied to the drive roller counter roller and a horizontal 30 ° to 55 °, preferably 35 ° to 50 °. Conveniently, the above condition applies to all four counter-rollers when they respectively abut against the drive roller or are in contact with the drive roller. Preferably, the aforementioned angle α is 37 ° to 41 ° or approximately 40 °. If, above and below, there is talk of a counter roll or counter rolls resting against the drive roll or being in contact with the drive roll, this means that the respective film to be fed or the film hose to be supplied in each case is interposed between counter roll and drive roll.
Es liegt im Rahmen der Erfindung, dass der Durchmesser der Antriebswalze größer ist als der Durchmesser der Gegenrollen. Es versteht sich, dass der Durchmesser senkrecht zur Drehachse der Antriebswalze bzw. senkrecht zur Drehachse einer Gegenrolle gemessen wird. Zweckmäßigerweise ist der Durchmesser der Antriebswalze mindestens 1,5 mal, bevorzugt mindestens 1,7 mal so groß wie der Durchmesser der Gegenrollen. Vorzugsweise haben alle Gegenrollen den gleichen Durchmesser.It is within the scope of the invention that the diameter of the drive roller is greater than the diameter of the counter-rollers. It is understood that the diameter perpendicular to the axis of rotation of the drive roller or perpendicular to Rotary axis of a counter-roller is measured. Conveniently, the diameter of the drive roller is at least 1.5 times, preferably at least 1.7 times as large as the diameter of the counter-rollers. Preferably, all counter rollers have the same diameter.
Nach einer sehr bevorzugten Ausführungsform der Erfindung besteht die Außenoberfläche der Antriebswalze aus einem Gummiwerkstoff. Die AußenOberfläche der Antriebswalze steht bei der Zuführung bzw. bei der Förderung einer Folie bzw. eines Folienschlauches in Kontakt mit der Folie bzw. mit dem Folienschlauch. Empfohlenermaßen umschlingt bei der Zuführung der ersten oder der zweiten Folie bei an der Antriebswalze anliegendem ersten oder zweiten Paar von Gegenrollen die Folie mindestens 16 %, vorzugsweise mindestens 18 % und bevorzugt mindestens 20 % des Außenumfangs der Antriebswalze.According to a very preferred embodiment of the invention, the outer surface of the drive roller is made of a rubber material. The outer surface of the drive roller is in the supply or in the promotion of a film or a film tube in contact with the film or with the film tube. When feeding the first or the second film, when the first or second pair of counter-rollers are adjacent to the drive roller, the film preferably wraps around at least 16%, preferably at least 18% and preferably at least 20% of the outer circumference of the drive roller.
Zweckmäßigerweise werden die erste Folie und die zweite Folie von derselben Seite der Vorrichtung in die Folienantriebseinrichtung eingeführt. Vorzugsweise wird dabei die erste Folie unterhalb der zweiten Folie der Foüenantriebseinrichtung zugeführt. Es empfiehlt sich, dass der erste Folienvorrat und der zweite Folienvorrat auf derselben Seite der Vorrichtung angeordnet sind. Bevorzugt sind erster und zweiter Folienvorrat übereinander angeordnet.Conveniently, the first film and the second film are introduced from the same side of the apparatus into the film drive means. Preferably, the first film is fed below the second film of Foüenantriebseinrichtung. It is recommended that the first film supply and the second film supply are arranged on the same side of the device. Preferably, the first and second film supply are arranged one above the other.
Gegenstand der Erfindung ist auch ein Verfahren zum Umhüllen eines Gutstapels mit einer Folie, wobei von einem Folienzuführkopf wahlweise eine erste Folie oder eine zweite Folie zugeführt wird, wobei der Folienzuführkopf eine Antriebswalze, ein erstes Paar von Gegenrollen und ein zweites Paar von Gegenrollen aufweist und wobei wahlweise entweder das erste Paar von Gegenrollen unter Zwischenschaltung der ersten Folie in Kontakt mit der Antriebswalze gebracht wird und die Antriebswalze zum Zuführen der ersten Folie angetrieben wird oder dass zweite Paar von Gegenrollen unter Zwischenschaltung der zweiten Folie in Kontakt mit der Antriebswalze gebracht wird und die Antriebswalze zum Zuführen der zweite Folie angetrieben wird.The invention also relates to a method for wrapping a stack of goods with a film, wherein from a Folienzuführkopf optionally a first film or a second film is fed, wherein the Folienzuführkopf has a drive roller, a first pair of counter-rollers and a second pair of counter-rollers and wherein optionally either the first pair of counter-rollers is brought into contact with the drive roller with the interposition of the first film and the drive roller is driven for feeding the first film or the second pair of counter-rollers with interposition the second sheet is brought into contact with the drive roller and the drive roller is driven to feed the second sheet.
Der Erfindung liegt die Erkenntnis zugrunde, dass mit der erfindungsgemäßen Vorrichtung bzw. mit dem erfindungsgemäßen Verfahren ein einfacher, wenig aufwendiger und zugleich funktionssicherer Wechsel zwischen dem Zuführen einer ersten Folienart und einer zweiten Folienart möglich ist. Der Wechsel zwischen den beiden Folienarten kann insbesondere überraschend zügig erfolgen. Bei den beiden Folienarten mag es sich um Folien unterschiedlichen Formats handeln oder beispielsweise um Folientypen unterschiedlichen Materials. Die Erfindung hat sich besonders bei der Zuführung von Folienschläuchen bewährt. Der Erfindung liegt weiterhin die Erkenntnis zugrunde, dass durch die erfindungsgemäße Ausgestaltung der Vorrichtung die Folie im Vergleich zu bekannten Vorrichtungen deutlich maschinengängiger wird. - Hervorzuheben ist auch, dass die erfindungsgemäße Vorrichtung relativ einfach bzw. wenig komplex aufgebaut ist und mit relativ geringen Herstellungskosten realisiert werden kann.The invention is based on the finding that with the device according to the invention or with the method according to the invention a simple, less complicated and at the same time functionally reliable change between the feeding of a first type of film and a second type of film is possible. The change between the two types of film can be done in particular surprisingly quickly. The two types of film may be films of different formats or, for example, film types of different materials. The invention has proven particularly useful in the feeding of film tubes. The invention is further based on the finding that the film is significantly easier to machine compared to known devices due to the inventive design of the device. - It should also be emphasized that the device according to the invention is constructed relatively simply or with little complexity and can be realized with relatively low production costs.
Nachfolgend wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert. Es zeigen in schematischer Darstellung:
- Fig.1
- eine Seitenansicht einer erfindungsgemäßen Vorrichtung,
- Fig.2
- einen veragrößerten Ausschnitt A aus der
Fig. 1 und - Fig.3
- den Gegenstand nach
Fig. 2 in einer anderen Funktionsstellung.
- Fig.1
- a side view of a device according to the invention,
- Fig.2
- an enlarged section A from the
Fig. 1 and - Figure 3
- the object after
Fig. 2 in another functional position.
Die Vorrichtung weist einen Folienzuführkopf 3 zum wahlweisen Zuführen einer ersten Folie 4 oder einer zweiten Folie 5 auf. Fernerhin ist die Vorrichtung mit einer Überzieheinrichtung 6 zum Überziehen der ersten Folie 4 oder zweiten Folie 5 über den Gutstapel 1 ausgestattet. Weiterhin ist ein erster Folienvorrat 7 in Form einer Folienrolle für die erste Folie 4 und ein zweiter Folienvorrat 8 in Form einer Folienrolle für die zweite Folie 5 vorgesehen.The device has a
Vorzugsweise und im Ausführungsbeispiel wird sowohl die erste Folie 4 als auch die zweite Folie 5 als Folienschlauch zugeführt. Von dem ersten Folienschlauch oder dem zweiten Folienschlauch wird zum Überziehen über den Gutstapel jeweils ein Folienschlauchabschnitt abgetrennt und zweckmäßigerweise als nicht näher dargestellte Folienhaube über den Gutstapel übergezogen.Preferably, and in the embodiment, both the
In der
Die
Die
Vorzugsweise und im Ausführungsbeispiel ist der Durchmesser der Antriebswalze 11 größer als der Durchmesser der Gegenrollen 14, 15, 16, 17. Im Ausführungsbeispiel ist der Durchmesser der Antriebswalze 11 etwa doppelt so groß wie der Durchmesser der Gegenrollen 14, 15, 16, 17. Empfohlenermaßen und im Ausführungsbeispiel handelt es sich bei der Antriebswalze 11 um eine Gummiwalze bzw. um eine Antriebswalze 11 mit einer Außenoberfläche aus einem Gummiwerkstoff. Auf dieser Außenoberfläche liegt die Folie 4, 5 beim Zuführen auf. Bevorzugt und im Ausführungsbeispiel umschlingt bei der Zuführung der ersten oder der zweiten Folie 4, 5 bei an der angetriebenen Antriebswalze 11 anliegendem ersten oder zweiten Paar 12, 13 von Gegenrollen 14, 15, 16, 17 die Folie 4, 5 mindestens 18 % Außenumfangs der Antriebswalze 11.Preferably, and in the embodiment, the diameter of the
In den
Den Figuren ist weiterhin entnehmbar, dass der Folienzuführkopf 3 eine Folientrenneinrichtung in Form eines Folienmessers 19 aufweist, mit dem ein erster Folienabschnitt von der ersten Folie 4 oder ein zweiter Folienabschnitt von der zweiten Folie 5 abgetrennt werden kann. Diese Folientrenneinrichtung bzw. das Folienmesser 19 ist im Ausführungsbeispiel unterhalb der Folienantriebseinrichtung 10 angeordnet. Fernerhin weist der Folienzuführkopf 3 eine Folienschweißvorrichtung in Form von zwei Schweißbalken 20 auf. Mit dieser Folienschweißvorrichturtg bzw. mit den Schweißbalken 20 ist ein Ende eines Folienabschnittes von der ersten Folie 4 oder von der zweiten Folie 5 mit der Maßgabe verschweißbar, dass ein haubenförmiger Folienabschnitt bzw. eine Folienhaube gebildet wird. Dieser haubenförmige Folienabschnitt bzw. diese Folienhaube wird dann über den Gutstapel 1 übergezogen. Im Ausführungsbeispiel sind die Schweißbalken 20 unterhalb der Folienantriebseinrichtung 10 und auch unterhalb des Folienmessers 19 angeordnet. Die erfindungsgemäße Vorrichtung weist fernerhin zweckmäßigerweise und im Ausführungsbeispiel eine nicht detaillierter dargestellte Öffnungseinrichtung 21 zum Öffnen eines Folienschlauches auf. Dabei mag es sich in an sich bekannter Weise um eine Saugöffnungseinrichtung handeln.It can also be seen from the figures that the
Claims (15)
wobei der Folienzuführkopf (3) eine Antriebswalze, (11), ein erstes Paar (12) von Gegenrollen (14, 16) und ein zweites Paar (13) von Gegenrollen (15, 17) aufweist, und wobei wahlweise
entweder das erste Paar (12) von Gegenrollen (14, 16) unter Zwischenschaltung der ersten Folie (4) in Kontakt mit der Antriebswalze (11) bringbar ist und die Antriebswalze (11) und/oder zumindest eine Gegenrolle (14, 16) zum Zuführen der ersten Folie (4) antreibbar ist/sind
oder das zweite Paar (13) von Gegenrollen (15, 17) unter Zwischenschaltung der zweiten Folie (5) in Kontakt mit der Antriebswalze (11) bringbar ist und die Antriebswalze (11) und/oder zumindest eine Gegenrolle (15, 17) zum Zuführen der zweiten Folie (5) antreibbar ist/sind.Device for wrapping a product stack (1) with a film (4, 5), with a film feed head (3) for selectively feeding a first film (4) or a second film (5), a coating device (6) for coating the first film (4) or the second film (5) over the stack (1) and with a first film supply (7) for the first film (4) and a second film supply (8) for the second film (5),
the film feeding head (3) having a drive roller (11), a first pair (12) of counter rollers (14, 16) and a second pair (13) of counter rollers (15, 17), and optionally
either the first pair (12) of counter rollers (14, 16) with the interposition of the first film (4) in contact with the drive roller (11) can be brought and the drive roller (11) and / or at least one counter roller (14, 16) for Feeding the first film (4) is driven / are
or the second pair (13) of counter rollers (15, 17) with the interposition of the second film (5) in contact with the drive roller (11) can be brought and the drive roller (11) and / or at least one counter roller (15, 17) for Feeding the second film (5) is driven / are.
entweder das erste Paar (12) von Gegenrollen (14, 16) unter Zwischenschaltung der ersten Folie (4) in Kontakt mit der Antriebswalze (11) gebracht wird und die Antriebswalze (11) und/oder zumindest eine Gegenrolle (14, 16) zum Zuführen der ersten Folie (4) angetrieben wird
oder das zweite Paar (13) von Gegenrollen (15, 17) unter Zwischenschaltung der zweiten Folie (5) in Kontakt mit der Antriebswalze (11) gebracht wird und die Antriebswalze (11) und/oder zumindest eine Gegenrolle (15, 17) zum Zuführen der zweiten Folie (5) angetrieben wird.Method for wrapping a product stack (1) with a film (4, 5), optionally supplying a first film (4) or a second film (5) from a film delivery head (3), the film delivery head (3) comprising a drive roller (3) 11), a first pair (12) of counter rollers (14, 16) and a second pair (13) of counter rollers (15, 17), and optionally
either the first pair (12) of counter rollers (14, 16) with the interposition of the first film (4) is brought into contact with the drive roller (11) and the drive roller (11) and / or at least one counter roller (14, 16) for Feeding the first film (4) is driven
or the second pair (13) of counter rollers (15, 17) with the interposition of the second film (5) is brought into contact with the drive roller (11) and the drive roller (11) and / or at least one counter roller (15, 17) for Feeding the second film (5) is driven.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09015790A EP2336033B1 (en) | 2009-12-21 | 2009-12-21 | Method and device for wrapping a stack of goods with a film |
RU2010152196/13A RU2478067C2 (en) | 2009-12-21 | 2010-12-20 | Device and method to wrap stack of products with film |
US12/973,290 US8453422B2 (en) | 2009-12-21 | 2010-12-20 | Method of and apparatus for wrapping a stack of objects with a film |
MX2010014440A MX2010014440A (en) | 2009-12-21 | 2010-12-21 | Method and device for wrapping a stack of goods with a film. |
BRPI1015595-3A BRPI1015595A2 (en) | 2009-12-21 | 2010-12-21 | Device and method for wrapping a stack of goods with a film |
CN2010106252489A CN102152866B (en) | 2009-12-21 | 2010-12-21 | Method and device for wrapping a stack of goods with a film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09015790A EP2336033B1 (en) | 2009-12-21 | 2009-12-21 | Method and device for wrapping a stack of goods with a film |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2336033A1 true EP2336033A1 (en) | 2011-06-22 |
EP2336033B1 EP2336033B1 (en) | 2013-01-09 |
Family
ID=42174238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09015790A Not-in-force EP2336033B1 (en) | 2009-12-21 | 2009-12-21 | Method and device for wrapping a stack of goods with a film |
Country Status (6)
Country | Link |
---|---|
US (1) | US8453422B2 (en) |
EP (1) | EP2336033B1 (en) |
CN (1) | CN102152866B (en) |
BR (1) | BRPI1015595A2 (en) |
MX (1) | MX2010014440A (en) |
RU (1) | RU2478067C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES1077857Y (en) * | 2012-09-28 | 2013-01-18 | Innova Maqu Cerámica S L (100 0%) | MACHINE TO COVER PALETIZED LOADS |
KR101689140B1 (en) * | 2016-05-18 | 2016-12-26 | 세왕오토팩 주식회사 | Stretch hood film for automatic packaging equipment |
CN113998172B (en) * | 2021-11-02 | 2023-07-28 | 中天科技光纤有限公司 | Automatic film coating device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3897674A (en) * | 1973-08-31 | 1975-08-05 | Comptex | Bagging machine |
EP1086894A2 (en) * | 1999-09-23 | 2001-03-28 | OFFICINA MECCANICA SESTESE S.p.A. | Machine for packaging by means of a plastic sleeve with an improved system to put on a load said sleeve |
US6381929B1 (en) * | 2000-03-14 | 2002-05-07 | Tien Heng Machinery Co., Ltd. | Automatic bagging machine using cool-shrinking film |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL279891A (en) * | 1960-05-18 | |||
US3852937A (en) * | 1968-08-06 | 1974-12-10 | Auburn Eng Inc | Shrink-wrapping method and apparatus |
US3738079A (en) * | 1971-02-11 | 1973-06-12 | Auburn Eng Inc | Bag type shrink wrapping apparatus |
IT1145514B (en) * | 1981-10-09 | 1986-11-05 | Gd Spa | METHOD FOR THE AUTOMATIC CHANGE OF BANDS OF TAPE MATERIAL IN PACKAGING MACHINES |
SU1495208A1 (en) * | 1987-03-17 | 1989-07-23 | Предприятие П/Я В-8916 | Device for packing group of articles into film |
ES2027795T3 (en) * | 1987-05-11 | 1992-06-16 | Sig Schweizerische Industrie-Gesellschaft | DEVICE FOR THE ELECTIVE CONTRIBUTION OF ONE OF TWO STRIPS OF MATERIAL TO WRAP A PACKING MACHINE. |
NL8902848A (en) * | 1989-11-17 | 1991-06-17 | Tevopharm Schiedam Bv | APPARATUS FOR THE CONTINUOUS SUPPLY OF PIECES OF SHEET MATERIAL TO A PROCESSING MACHINE. |
FR2742416B1 (en) * | 1995-12-13 | 1998-02-06 | Thimon | PRE-STRETCHED FILM, DEVICE AND METHOD FOR OVERPACKING |
DE19954370A1 (en) * | 1999-11-11 | 2001-05-31 | Moellers Maschf Gmbh | Shrink-wrapping method for stack of articles comprises fitting parallel inner and outer wraps over it |
US7210278B2 (en) * | 2005-09-08 | 2007-05-01 | Tien Heng Machniery Co., Ltd. | Detecting and protecting device of a shrink film machine |
PL2060492T3 (en) * | 2007-11-16 | 2012-04-30 | Msk Verpackungs Systeme Ges Mit Beschraenkter Haftung | Device for drawing a tubular film or a film cover over a stack |
-
2009
- 2009-12-21 EP EP09015790A patent/EP2336033B1/en not_active Not-in-force
-
2010
- 2010-12-20 RU RU2010152196/13A patent/RU2478067C2/en not_active IP Right Cessation
- 2010-12-20 US US12/973,290 patent/US8453422B2/en not_active Expired - Fee Related
- 2010-12-21 BR BRPI1015595-3A patent/BRPI1015595A2/en not_active Application Discontinuation
- 2010-12-21 CN CN2010106252489A patent/CN102152866B/en not_active Expired - Fee Related
- 2010-12-21 MX MX2010014440A patent/MX2010014440A/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3897674A (en) * | 1973-08-31 | 1975-08-05 | Comptex | Bagging machine |
EP1086894A2 (en) * | 1999-09-23 | 2001-03-28 | OFFICINA MECCANICA SESTESE S.p.A. | Machine for packaging by means of a plastic sleeve with an improved system to put on a load said sleeve |
US6381929B1 (en) * | 2000-03-14 | 2002-05-07 | Tien Heng Machinery Co., Ltd. | Automatic bagging machine using cool-shrinking film |
Also Published As
Publication number | Publication date |
---|---|
CN102152866B (en) | 2013-07-03 |
US20110146209A1 (en) | 2011-06-23 |
RU2478067C2 (en) | 2013-03-27 |
MX2010014440A (en) | 2011-06-24 |
RU2010152196A (en) | 2012-06-27 |
US8453422B2 (en) | 2013-06-04 |
EP2336033B1 (en) | 2013-01-09 |
BRPI1015595A2 (en) | 2015-07-07 |
CN102152866A (en) | 2011-08-17 |
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