EP0475019B1 - Method and apparatus for wrapping a palettised load with a foil strap - Google Patents
Method and apparatus for wrapping a palettised load with a foil strap Download PDFInfo
- Publication number
- EP0475019B1 EP0475019B1 EP91111930A EP91111930A EP0475019B1 EP 0475019 B1 EP0475019 B1 EP 0475019B1 EP 91111930 A EP91111930 A EP 91111930A EP 91111930 A EP91111930 A EP 91111930A EP 0475019 B1 EP0475019 B1 EP 0475019B1
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- European Patent Office
- Prior art keywords
- pallet
- vertical
- satellite
- film
- wrapping
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- 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.)
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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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
- B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles
Definitions
- the invention relates to a method for wrapping a pallet unit consisting of a stack of goods and a pallet with a foil tape, in which the pallet unit is essentially horizontal over its vertical sides with foil tape and also essentially vertically over the top and bottom sides and over at least one pair of opposite vertical sides with foil tape is wrapped. It also relates to a device for carrying out this method with a device frame on which at least one satellite is rotatably and motor-driven mounted in an orbit, which has a receptacle for a film strip winding and a film strip take-off that is particularly brakable.
- the support frame For wrapping, the support frame is first brought into the lowest position and the free end of the film web is fixed to the stack of goods. Then the satellite will spin offset, which pulls the film tape from the film tape roll and is stretched again by a special braking device. The support frame moves up slowly, so that the foil strip is placed helically over the vertical sides of the stack of goods. So that there are no displacements within the stack of goods, a special fixing plate is provided which can be lowered onto the stack of goods from above. Furthermore, a cover sheet applicator is also provided, with which a film web section can be placed on the top side of the stack of goods and fixed by the last turns of the film band.
- pallet units substantially vertically, i. H. to wrap over the head and under the foot as well as over a pair of the vertical sides, whereby the pallet unit is rotated between two winding sections by 90 ° around the vertical axis. In this way, the pallet unit is wrapped crosswise and packed on all six sides.
- the stack of goods is wrapped both horizontally and vertically with a film strip. This results in an improved securing of the stack of goods.
- the pallet is not included in the winding. This also applies to a known device (US-A-45 45 182) with which a stack of goods can only be wrapped vertically.
- the object of the invention is to improve the load security of a pallet unit consisting of a stack of goods and a pallet and to reduce a weakening of the load group during subsequent transport operations.
- the vertical and the horizontal wrapping can be carried out in two different devices, each specially suitable for this.
- the device is characterized in that the storage of the satellite or satellites can be pivoted between an orbit extending in the horizontal plane and an orbit extending in the vertical plane.
- a device designed according to this concept allows both a vertical and a horizontal wrapping of a pallet unit, with the orbit of the satellite or satellites being brought from one position to the other by 90 ° for this purpose. In this way, no transport operations are required between the two wrapping sections.
- the satellite or satellites are preferably mounted on a support frame which is mounted on one side of the device frame so as to be rotatable about a horizontal axis and can be raised and lowered vertically. It is particularly advantageous if the satellite (s) is or are arranged on a rotating ring which is rotatably mounted on a supporting ring. This training facilitates in particular the vertical wrapping of the pallet unit.
- a carriage is assigned to the device frame, which has cantilevered support arms which can be retracted by the surface occupied and enclosed by the orbit in the vertical position.
- This trolley picks up the pallet unit before the vertical wrapping of the film strip with the aid of its support arms and moves it slowly through the rotating plane of the satellite or satellites during the winding process.
- By appropriate back and forth movements of the carriage can then be ensured that the film in the area Foot side only comes to rest between the runners of the pallet. After the vertical wrapping, the carriage is then moved out of the device.
- the support arms have such a vertical distance from the chassis that the satellite can be passed through in the vertical position of the orbit between the support arms and the chassis. This makes it possible to make the trolley simple and to arrange the chassis essentially below the support arms.
- the device has a support table for the pallet unit, which is provided with transport means for displacing the pallet unit perpendicular to the plane of the orbit of the satellite or satellites in the vertical position.
- the means of transport make it easier to open the pallet unit on the support arms of the trolley.
- the support table is designed to be vertically movable and the width of the support table is less than the free distance between two support arms of the carriage.
- the winding device (1) shown in the figures has a gate-shaped device frame (2), consisting of two stands (3) - of which only the front one can be seen here - and a transverse yoke (4) connecting them on the top.
- the device frame (2) stands stationary on a floor surface.
- a carriage (5) is mounted on each of the stands (3) in a vertically movable manner.
- the two ends of a U-shaped support frame (6) are around one common, horizontally running pivot axis (7) mounted.
- the free ends of the support frame (6) have gear wheel sections (8) which are each in engagement with a pinion (9), which are connected to an electric motor drive, not shown here. With this drive, the support frame (6) can be pivoted downward from the horizontal plane shown by 90 ° into a vertical plane.
- a circular support ring (10 ⁇ ) which forms a track for a rotating ring (11) arranged underneath.
- a satellite (12) is suspended from the rotating ring (11) and can be equipped with a foil tape roll.
- a counterweight (13) is arranged on the rotating ring (11) opposite the satellite (12) in order to produce a mass balance.
- a further satellite can also be provided in order to be able to pull off two film strips at the same time.
- a support table (14) is arranged below the support frame (6) and is equipped with a conveyor belt (15) which can be set in motion in the plane of the drawing by means of a drive wheel (16).
- a pallet unit (17) consisting of a pallet (18) and a stack of goods (19) rests on the conveyor belt (15).
- the pallet unit (17) has been conveyed onto the carrying table (14) by a further conveyor device (20 ⁇ ).
- the winding device (1) includes a carriage (21) which has a chassis (22), at the rear end of which a support frame (23) stands up, from the upper end of which projecting support arms (24) protrude.
- the width of the trolley (21) is dimensioned such that it can pass between the uprights (3) of the device frame (2).
- the supporting frame (6) with the supporting ring (10 ⁇ ) and the rotating ring (11) is pivoted downwards into a vertical position (FIG. 1).
- the carriage (21) is then retracted so far that its support arms (24) are above and the chassis (22) below the support frame (6), so that the support frame (6) with the support ring (10 ⁇ ) and the rotating ring ( 11) the space between the support arms (24) and the chassis (22) passes through.
- the support table (14) is located in the level of the conveyor and below the level of the support arms (24).
- the pallet unit (17) then moves onto the support table (14), the support arms (24) moving into the gaps in the runners (25, 26, 27) of the pallet (18).
- the support table (14) is then lowered by means of a lifting device, not shown here, so that the pallet unit (17) comes to rest on the support arms (24) (Fig. 2).
- a piece of the film strip is now attached to the pallet unit (17) by the satellite (12). Then the rotating ring (11) is rotated so that the satellite (12) circles around the pallet unit (17). In this way, the pallet unit (17) is wrapped vertically. By slowly pulling out the trolley (21) - in this view to the right - the foil strip is wound helically around the pallet unit (17).
- the travel movement of the trolley (21) is superimposed by an oscillating movement such that the pallet (18) is wrapped on its underside only between its runners (25, 26, 27), the runners (25, 26, 27) on its undersides so stay free.
- the film strips (28) diverge again, so that the winding pattern shown in FIG. (3) results. In this way, the top of the pallet unit (17) is evenly covered by the film strip (28), while the film strip sections move together towards the bottom.
- the carriage (21) with the pallet unit (17) is outside the rotating plane of the rotating ring (11) (Fig. 3).
- the support frame (6) is then pivoted up into the horizontal.
- the carriage (21) is retracted into the winding device (1) so far that the support arms (24) come to rest over the support table (14) and the pallet unit is located above it (Fig. 4).
- the support table (14) is raised and takes over the pallet unit (17) in this way.
- the trolley (21) - in this view to the right - moves out of the winding device (1) again.
- the rotating ring (11) is rotated again so that - starting from the top edge of the stack of goods (19) - the pallet unit (17) is wrapped horizontally.
- the stack of goods (19) is wrapped in a helical shape up to the upper edge of the pallet (18) (FIG. 5).
- the support frame (6) After completion of the horizontal wrapping, the support frame (6) is raised so far that the pallet unit (17) can be moved out of the winding device (1). The support frame (6) is then pivoted downward again into a vertical plane. After the carriage (21) has been driven in, a new pallet unit can then be wrapped in the manner described above.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Umwickeln einer aus Gutstapel und Palette bestehenden Paletteneinheit mit einem Folienband, bei dem die Paletteneinheit im wesentlichen horizontal über ihre Vertikalseiten mit Folienband sowie außerdem im wesentlichen vertikal über die Kopf- und Fußseiten und über wenigstens ein Paar gegenüberliegender Vertikalseiten mit Folienband umwickelt wird. Sie bezieht sich ferner auf eine Vorrichtung zur Durchführung dieses Verfahrens mit einem Vorrichtungsrahmen, an dem wenigstens ein Satellit auf einer Umlaufbahn drehbar und motorisch angetrieben gelagert ist, welcher eine Aufnahme für einen Folienbandwickel und einen insbesondere bremsbaren Folienbandabzug aufweist.The invention relates to a method for wrapping a pallet unit consisting of a stack of goods and a pallet with a foil tape, in which the pallet unit is essentially horizontal over its vertical sides with foil tape and also essentially vertically over the top and bottom sides and over at least one pair of opposite vertical sides with foil tape is wrapped. It also relates to a device for carrying out this method with a device frame on which at least one satellite is rotatably and motor-driven mounted in an orbit, which has a receptacle for a film strip winding and a film strip take-off that is particularly brakable.
Es ist bekannt, einen auf einer Palette stehenden Gutstapel dadurch zu verpacken, daß ein Folienband im wesentlichen horizontal - und zwar entweder spiralförmig oder in Form einer Banderole - um die Vertikalseiten des Gutstapels herumgelegt wird. Als Folienbänder werden sogenannte Stretchfolien verwendet, die bereits vorgereckt und gedehnt sind. Die hierzu verwendeten Vorrichtungen haben einen torförmigen Vorrichtungsrahmen, an dem vertikal verfahrbar ein sich in horizontaler Ebene erstreckender Tragring gehalten ist, an dem ein Drehring um eine vertikale Achse verdrehbar gelagert ist. Dieser Drehring trägt einen Satelliten, der eine Aufnahme für einen Folienbandwickel und einen bremsbaren Folienbandabzug aufweist.It is known to pack a stack of goods standing on a pallet in that a film strip is placed around the vertical sides of the stack of goods essentially horizontally — either in a spiral or in the form of a banderole. So-called stretch films are used as film tapes, which are already stretched and stretched. The devices used for this purpose have a gate-shaped device frame, on which a support ring extending in a horizontal plane is held, on which a rotating ring is rotatably mounted about a vertical axis. This rotating ring carries a satellite, which has a receptacle for a film tape roll and a brakable film tape take-off.
Zum Umwickeln wird der Tragrahmen zunächst in die unterste Position gebracht und das freie Ende der Folienbahn am Gutstapel festgelegt. Dann wird der Satellit in Drehung versetzt, wodurch sich das Folienband vom Folienbandwickel abzieht und durch eine besondere Bremseinrichtung nochmals gedehnt wird. Dabei fährt der Tragrahmen langsam hoch, so daß sich das Folienband wendelförmig über die Vertikalseiten des Gutstapels legt. Damit es dabei nicht zu Verschiebungen innerhalb des Gutstapels kommt, ist eine besondere Fixierplatte vorgesehen, die von oben auf den Gutstapel abgesenkt werden kann. Ferner ist noch ein Deckblattaufleger vorgesehen, mit dem ein Folienbahnabschnitt auf die Kopfseite des Gutstapels aufgelegt und durch die letzten Windungen des Folienbandes festgelegt werden kann.For wrapping, the support frame is first brought into the lowest position and the free end of the film web is fixed to the stack of goods. Then the satellite will spin offset, which pulls the film tape from the film tape roll and is stretched again by a special braking device. The support frame moves up slowly, so that the foil strip is placed helically over the vertical sides of the stack of goods. So that there are no displacements within the stack of goods, a special fixing plate is provided which can be lowered onto the stack of goods from above. Furthermore, a cover sheet applicator is also provided, with which a film web section can be placed on the top side of the stack of goods and fixed by the last turns of the film band.
Der Nachteil dieses bekannten Verfahrens besteht darin, daß keine gute Verbindung zwischen Gutstapel und Palette erreicht werden kann und daß auch keine vertikalen Kräfte auf den Gutstapel ausgeübt werden. Die Ladungssicherung ist deshalb häufig nicht ausreichend.The disadvantage of this known method is that no good connection between the stack of goods and the pallet can be achieved and that no vertical forces are exerted on the stack of goods. Load securing is therefore often not sufficient.
Daneben ist es bekannt, Paletteneinheiten auch im wesentlichen vertikal, d. h. über den Kopf und unter den Fuß sowie über je ein Paar der Vertikalseiten einzuwickeln, wobei die Paletteneinheit zwischen zwei Wickelabschnitten um 90̸° um die Hochachse gedreht wird. Auf diese Weise wird die Paletteneinheit kreuzweise eingewickelt und an allen sechs Seiten verpackt.In addition, it is known to also pallet units substantially vertically, i. H. to wrap over the head and under the foot as well as over a pair of the vertical sides, whereby the pallet unit is rotated between two winding sections by 90 ° around the vertical axis. In this way, the pallet unit is wrapped crosswise and packed on all six sides.
Mit diesem Verfahren wird eine senkrechte Vorspannung auf den Gutstapel ausgeübt, so daß er auf die Palette gedrückt wird. Der Gutstapel wird jedoch in horizontaler Richtung häufig nur unzureichend zusammengehalten. Außerdem ist die Palette an der Unterseite durch die über die Kufen gewickelten Folienbandabschnitte geschlossen, so daß die Paletteneinheit nicht mehr mit Hilfe eines Handhubwagens transportiert werden kann. Beim Transport besteht zudem die Gefahr, daß die Folienbandabschnitte in diesem Bereich beschädigt oder zerstört werden mit der Folge, daß der Ladungsverbund geschwächt wird.With this method, a vertical prestress is exerted on the stack of goods so that it is pressed onto the pallet. However, the stack of goods is often insufficiently held together in the horizontal direction. In addition, the pallet is closed on the underside by the foil strip sections wound over the runners, so that the pallet unit can no longer be transported with the aid of a hand pallet truck. During transport, there is also the risk that the film strip sections in this area will be damaged or destroyed, with the result that the load composite will be weakened.
Nach einem anderen bekannten Verfahren (FR-A-22 56 871) wird der Gutstapel sowohl horizontal als auch vertikal mit einem Folienband umwickelt. Dadurch ergibt sich eine verbesserte Sicherung des Gutstapels. Allerdings wird die Palette in die Wicklung nicht einbezogen. Das gilt auch für eine bekannte Vorrichtung (US-A-45 45 182), mit der ein Gutstapel nur vertikal umwickelt werden kann.According to another known method (FR-A-22 56 871), the stack of goods is wrapped both horizontally and vertically with a film strip. This results in an improved securing of the stack of goods. However, the pallet is not included in the winding. This also applies to a known device (US-A-45 45 182) with which a stack of goods can only be wrapped vertically.
Der Erfindung liegt die Aufgabe zugrunde, die Ladungssicherheit einer aus Gutstapel und Palette bestehenden Paletteneinheit zu verbessern und eine Schwächung des Ladungsverbundes bei anschließenden Transportvorgängen zu verringern.The object of the invention is to improve the load security of a pallet unit consisting of a stack of goods and a pallet and to reduce a weakening of the load group during subsequent transport operations.
Diese Aufgabe wird bei dem eingangs beschriebenen Verfahren dadurch gelöst, daß die Paletteneinheit beim vertikalen Umwickeln derart horizontal und quer zum Verlauf der Kufen bewegt wird, daß das Folienband im Bereich der Fußseite zwischen die Kufen der Paletten zu liegen kommt, im übrigen Bereich jedoch gleichmäßig fortschreitend gewickelt wird. Dann verlaufen die Folienbandabschnitte zwischen den Kufen über die Unterseite des Palettenoberbretts bzw. der dort vorhandenen Unterzüge der Palette, so daß der Raum zwischen den Kufen im wesentlichen frei bleibt und die Paletteneinheit problemlos mit einem Handwagen verfahren werden kann. Weil das Folienband im Bereich der Fußseite der Paletteneinheit ausschließlich zwischen den Kufen durchgeführt wird, ist auch die Gefahr von Beschädigungen und damit die Beeinträchtigung der Ladungssicherheit wesentlich herabgesetzt. Die Kopfseite der Paletteneinheit wird vollständig abgedeckt und damit die vertikale Vorspannung gleichmäßig über die Fläche der Kopfseite verteilt. Ferner entstehen diagonal wirkende Spannkräfte, die eine zusätzliche Sicherheit gegen Verrutschen der Ladung auf der Palette bewirken.This object is achieved in the method described at the outset in that the pallet unit is moved horizontally and transversely to the course of the runners during vertical wrapping in such a way that the film strip comes to rest between the runners of the pallets in the region of the foot side, but progresses uniformly in the remaining region is wrapped. Then the film strip sections run between the runners over the underside of the upper pallet board or the beams of the pallet present there, so that the space between the runners remains essentially free and the pallet unit can be moved easily with a hand cart. Because the foil strip in the area of the foot side of the pallet unit is only carried out between the runners, the risk of damage and thus the impairment of load security is also significantly reduced. The top side of the pallet unit is completely covered and thus the vertical pre-tension is evenly distributed over the surface of the top side. There are also diagonally acting clamping forces, which provide additional security against the load slipping on the pallet cause.
Das vertikale und das horizontale Umwickeln kann in zwei verschiedenen, jeweils speziell dafür geeigneten Vorrichtungen durchgeführt werden. Um die Paletteneinheit in einer einzigen Vorrichtung nach dem erfindungsgemäßen Verfahren zu umwickeln, ist die Vorrichtung dadurch gekennzeichnet, daß die Lagerung des Satelliten bzw. der Satelliten zwischen einer sich in horizontaler Ebene und einer sich in vertikaler Ebene erstreckenden Umlaufbahn verschwenkbar ist. Eine nach diesem Konzept ausgestaltete Vorrichtung läßt sowohl eine vertikale als auch eine horizontale Umwicklung einer Paletteneinheit zu, wobei hierfür die Umlaufbahn des bzw. der Satelitten jeweils um 90̸° aus der einen in die andere Stellung gebracht wird. Auf diese Weise bedarf es keiner Transportvorgänge zwischen den beiden Umwicklungsabschnitten.The vertical and the horizontal wrapping can be carried out in two different devices, each specially suitable for this. In order to wrap the pallet unit in a single device according to the method according to the invention, the device is characterized in that the storage of the satellite or satellites can be pivoted between an orbit extending in the horizontal plane and an orbit extending in the vertical plane. A device designed according to this concept allows both a vertical and a horizontal wrapping of a pallet unit, with the orbit of the satellite or satellites being brought from one position to the other by 90 ° for this purpose. In this way, no transport operations are required between the two wrapping sections.
Bei der erfindungsgemäßen Vorrichtung ist der Satellit bzw. sind die Satelliten vorzugsweise an einem Tragrahmen gelagert, der an einer Seite am Vorrichtungsrahmen um eine horizontale Achse drehbar und vertikal heb- und senkbar gelagert ist. Dabei ist besonders vorteilhaft, wenn der bzw. die Satellit(en) an einem Drehring angeordnet ist bzw. sind, welcher an einem Tragring drehbar gelagert ist. Diese Ausbildung erleichtert insbesondere das vertikale Umwickeln der Paletteneinheit.In the device according to the invention, the satellite or satellites are preferably mounted on a support frame which is mounted on one side of the device frame so as to be rotatable about a horizontal axis and can be raised and lowered vertically. It is particularly advantageous if the satellite (s) is or are arranged on a rotating ring which is rotatably mounted on a supporting ring. This training facilitates in particular the vertical wrapping of the pallet unit.
Nach einem weiteren Merkmal der Erfindung ist vorgesehen, daß dem Vorrichtungsrahmen ein Fahrwagen zugeordnet ist, der auskragende und durch die von der Umlaufbahn in vertikaler Stellung eingenommene und umschlossene Fläche einfahrbare Tragarme aufweist. Dieser Fahrwagen nimmt die Paletteneinheit vor der vertikalen Umwicklung des Folienbandes mit Hilfe seiner Tragarme auf und verfährt sie während des Wickelvorgangs langsam durch die Drehebene des bzw. der Satelliten. Durch entsprechende Hin- und Herbewegungen des Fahrwagens kann dann dafür gesorgt werden, daß das Folienband im Bereich der Fußseite nur zwischen die Kufen der Palette zu liegen kommt. Nach der vertikalen Umwicklung wird dann der Verfahrwagen aus der Vorrichtung herausgefahren.According to a further feature of the invention, it is provided that a carriage is assigned to the device frame, which has cantilevered support arms which can be retracted by the surface occupied and enclosed by the orbit in the vertical position. This trolley picks up the pallet unit before the vertical wrapping of the film strip with the aid of its support arms and moves it slowly through the rotating plane of the satellite or satellites during the winding process. By appropriate back and forth movements of the carriage can then be ensured that the film in the area Foot side only comes to rest between the runners of the pallet. After the vertical wrapping, the carriage is then moved out of the device.
Es ist zweckmäßig, daß die Tragarme einen solchen vertikalen Abstand zu dessen Fahrgestell haben, daß der Satellit in vertikaler Stellung der Umlaufbahn zwischen Tragarmen und Fahrgestell durchfahrbar ist. Dies ermöglicht es, den Fahrwagen einfach zu gestalten und das Fahrgestell im wesentlichen unterhalb der Tragarme anzuordnen.It is expedient that the support arms have such a vertical distance from the chassis that the satellite can be passed through in the vertical position of the orbit between the support arms and the chassis. This makes it possible to make the trolley simple and to arrange the chassis essentially below the support arms.
Es ist ferner vorgesehen, daß die Vorrichtung einen Tragetisch für die Paletteneinheit aufweist, der mit Transportmitteln zum Verschieben der Paletteneinheit senkrecht zur Ebene der Umlaufbahn des bzw. der Satelliten in Vertikalstellung versehen ist. Die Transportmittel erleichtern das Auffahren der Paletteneinheit auf die Tragarme des Fahrwagens. Dies wird noch dadurch unterstützt, daß der Tragetisch vertikal verfahrbar ausgestaltet ist und die Breite des Tragetisches geringer ist als der freie Abstand zwischen zwei Tragarmen des Verfahrwagens.It is further provided that the device has a support table for the pallet unit, which is provided with transport means for displacing the pallet unit perpendicular to the plane of the orbit of the satellite or satellites in the vertical position. The means of transport make it easier to open the pallet unit on the support arms of the trolley. This is further supported by the fact that the support table is designed to be vertically movable and the width of the support table is less than the free distance between two support arms of the carriage.
In der Zeichnung ist die Erfindung an Hand eines schematisch dargestellten Ausführungsbeispiels näher veranschaulicht.The invention is illustrated in more detail in the drawing with the aid of a schematically illustrated exemplary embodiment.
Die in den Figuren dargestellte Wickelvorrichtung (1) weist einen torförmigen Vorrichtungsrahmen (2), bestehend aus zwei Ständern (3) - von denen hier nur der vordere zu sehen ist - und einem diese obenseitig verbindenden Querjoch (4) auf. Der Vorrichtungsrahmen (2) steht ortsfest auf einer Bodenfläche auf.The winding device (1) shown in the figures has a gate-shaped device frame (2), consisting of two stands (3) - of which only the front one can be seen here - and a transverse yoke (4) connecting them on the top. The device frame (2) stands stationary on a floor surface.
An jedem der Ständer (3) ist ein Schlitten (5) vertikal verfahrbar gelagert. In den beiden Schlitten (5) sind die beiden Enden eines U-förmigen Tragrahmens (6) um eine gemeinsame, horizontal verlaufende Schwenkachse (7) gelagert. Die freien Enden des Tragrahmens (6) weisen Zahnradabschnitte (8) auf, die im Eingriff mit je einem Ritzel (9) stehen, die mit einem hier nicht näher dargestellten Elektromotorantrieb verbunden sind. Über diesen Antrieb kann der Tragrahmen (6) aus der gezeigten horizontalen Ebene um 90̸° nach unten in eine vertikale Ebene verschwenkt werden.A carriage (5) is mounted on each of the stands (3) in a vertically movable manner. In the two carriages (5) the two ends of a U-shaped support frame (6) are around one common, horizontally running pivot axis (7) mounted. The free ends of the support frame (6) have gear wheel sections (8) which are each in engagement with a pinion (9), which are connected to an electric motor drive, not shown here. With this drive, the support frame (6) can be pivoted downward from the horizontal plane shown by 90 ° into a vertical plane.
An der Unterseite des Tragrahmens (6) hängt ein kreisrunder Tragring (10̸), der eine Laufbahn für einen darunter angeordneten Drehring (11) bildet. An dem Drehring (11) ist ein Satellit (12) aufgehängt, der mit einem Folienbandwickel bestückt werden kann. Dem Satellit (12) gegenüber ist ein Kontergewicht (13) an dem Drehring (11) angeordnet, um einen Massenausgleich herzustellen. Statt des Kontergewichtes (13) kann auch ein weiterer Satellit vorgesehen sein, um gleichzeitig zwei Folienbänder abziehen zu können.On the underside of the support frame (6) hangs a circular support ring (10̸), which forms a track for a rotating ring (11) arranged underneath. A satellite (12) is suspended from the rotating ring (11) and can be equipped with a foil tape roll. A counterweight (13) is arranged on the rotating ring (11) opposite the satellite (12) in order to produce a mass balance. Instead of the counterweight (13), a further satellite can also be provided in order to be able to pull off two film strips at the same time.
Unterhalb des Tragrahmens (6) ist ein Tragetisch (14) angeordnet, der mit einem Förderband (15) ausgestattet ist, welches in der Zeichnungsebene über ein Antriebsrad (16) in Bewegung versetzt werden kann. Auf dem Förderband (15) ruht eine Paletteneinheit (17), bestehend aus einer Palette (18) und einem Gutstapel (19). Die Paletteneinheit (17) ist durch eine weitere Fördereinrichtung (20̸) auf den Tragetisch (14) befördert worden.A support table (14) is arranged below the support frame (6) and is equipped with a conveyor belt (15) which can be set in motion in the plane of the drawing by means of a drive wheel (16). A pallet unit (17) consisting of a pallet (18) and a stack of goods (19) rests on the conveyor belt (15). The pallet unit (17) has been conveyed onto the carrying table (14) by a further conveyor device (20̸).
Zu der Wickelvorrichtung (1) gehört ein Fahrwagen (21), der ein Fahrgestell (22) aufweist, an dessen hinterem Ende ein Halterahmen (23) hochsteht, von dessen oberen Ende nach vorn auskragende Tragarme (24) vorstehen. Die Breite des Fahrwagens (21) ist so bemessen, daß er zwischen den Ständern (3) des Vorrichtungsrahmens (2) durchfahren kann.The winding device (1) includes a carriage (21) which has a chassis (22), at the rear end of which a support frame (23) stands up, from the upper end of which projecting support arms (24) protrude. The width of the trolley (21) is dimensioned such that it can pass between the uprights (3) of the device frame (2).
Mit dieser Wickelvorrichtung gestaltet sich ein Wickelvorgang wie folgt.With this winding device, a winding process is as follows.
Vor dem Einfahren der Paletteneinheit (17) in die Wickelvorrichtung (1) wird zunächst der Tragrahmen (6) mit dem Tragring (10̸) und dem Drehring (11) in eine vertikale Lage nach unten verschwenkt (Fig. 1). Der Fahrwagen (21) wird dann so weit eingefahren, daß sich seine Tragarme (24) oberhalb und das Fahrgestell (22) unterhalb des Tragrahmens (6) befinden, so daß der Tragrahmen (6) mit dem Tragring (10̸) und dem Drehring (11) den Zwischenraum zwischen den Tragarmen (24) und dem Fahrgestell (22) durchfaßt. Der Tragetisch (14) befindet sich in der Ebene der Fördereinrichtung und unterhalb der Ebene der Tragarme (24). Die Paletteneinheit (17) fährt dann auf den Tragetisch (14), wobei die Tragarme (24) in die Lücken der Kufen (25, 26, 27) der Palette (18) einfahren. Der Tragetisch (14) wird dann mittels einer hier nicht näher dargestellten Hubeinrichtung abgesenkt, so daß die Paletteneinheit (17) auf den Tragarmen (24) zu liegen kommt (Fig. 2).Before the pallet unit (17) is moved into the winding device (1), the supporting frame (6) with the supporting ring (10̸) and the rotating ring (11) is pivoted downwards into a vertical position (FIG. 1). The carriage (21) is then retracted so far that its support arms (24) are above and the chassis (22) below the support frame (6), so that the support frame (6) with the support ring (10̸) and the rotating ring ( 11) the space between the support arms (24) and the chassis (22) passes through. The support table (14) is located in the level of the conveyor and below the level of the support arms (24). The pallet unit (17) then moves onto the support table (14), the support arms (24) moving into the gaps in the runners (25, 26, 27) of the pallet (18). The support table (14) is then lowered by means of a lifting device, not shown here, so that the pallet unit (17) comes to rest on the support arms (24) (Fig. 2).
Von dem Satelliten (12) wird nun ein Stück des Folienbandes an der Paletteneinheit (17) befestigt. Dann wird der Drehring (11) in eine Drehbewegung versetzt, so daß der Satellit (12) um die Paletteneinheit (17) kreist. Auf diese Weise wird die Paletteneinheit (17) vertikal umwickelt. Durch langsames Herausfahren des Fahrwagens (21) - in dieser Ansicht nach rechts - wird das Folienband schraubenförmig um die Paletteneinheit (17) gewickelt.A piece of the film strip is now attached to the pallet unit (17) by the satellite (12). Then the rotating ring (11) is rotated so that the satellite (12) circles around the pallet unit (17). In this way, the pallet unit (17) is wrapped vertically. By slowly pulling out the trolley (21) - in this view to the right - the foil strip is wound helically around the pallet unit (17).
Die Fahrbewegung des Fahrwagens (21) wird durch eine oszillierende Bewegung derart überlagert, daß die Palette (18) an ihrer Unterseite nur zwischen ihren Kufen (25, 26, 27) umwickelt wird, die Kufen (25, 26, 27) an ihren Unterseiten also frei bleiben. Nach oben hin gehen die Folienbänder (28) wieder auseinander, so daß sich das in Figur (3) dargestellte Wickelbild ergibt. Die Oberseite der Paletteneinheit (17) wird auf diese Weise gleichmäßig vom Folienband (28) abgedeckt, während die Folienbandabschnitte nach unten hin zusammenrücken.The travel movement of the trolley (21) is superimposed by an oscillating movement such that the pallet (18) is wrapped on its underside only between its runners (25, 26, 27), the runners (25, 26, 27) on its undersides so stay free. At the top, the film strips (28) diverge again, so that the winding pattern shown in FIG. (3) results. In this way, the top of the pallet unit (17) is evenly covered by the film strip (28), while the film strip sections move together towards the bottom.
Nach Fertigstellung der Vertikalwicklung befinden sich der Fahrwagen (21) mit der Paletteneinheit (17) außerhalb der Drehebene des Drehrings (11) (Fig. 3). Der Tragrahmen (6) wird dann in die Horizontale hochgeschwenkt. Anschließend wird der Fahrwagen (21) wieder in die Wickelvorrichtung (1) so weit eingefahren, daß die Tragarme (24) erneut über den Tragetisch (14) zu liegen kommen und sich die Paletteneinheit oberhalb davon befindet (Fig. 4). Der Tragetisch (14) wird angehoben und übernimmt auf diese Weise die Paletteneinheit (17). Der Fahrwagen (21) fährt - in dieser Ansicht nach rechts - wieder aus der Wickelvorrichtung (1) hinaus. Der Drehring (11) wird wieder in eine Drehbewegung versetzt, so daß - von der Oberkante des Gutstapels (19) beginnend - die Paletteneinheit (17) horizontal umwickelt wird. Durch Verfahren des Schlittens (5) und damit des Tragrahmens (6) wird der Gutstapel (19) bis zur Oberkante der Palette (18) schraubenförmig umwickelt (Fig. 5).After completion of the vertical winding, the carriage (21) with the pallet unit (17) is outside the rotating plane of the rotating ring (11) (Fig. 3). The support frame (6) is then pivoted up into the horizontal. Then the carriage (21) is retracted into the winding device (1) so far that the support arms (24) come to rest over the support table (14) and the pallet unit is located above it (Fig. 4). The support table (14) is raised and takes over the pallet unit (17) in this way. The trolley (21) - in this view to the right - moves out of the winding device (1) again. The rotating ring (11) is rotated again so that - starting from the top edge of the stack of goods (19) - the pallet unit (17) is wrapped horizontally. By moving the carriage (5) and thus the support frame (6), the stack of goods (19) is wrapped in a helical shape up to the upper edge of the pallet (18) (FIG. 5).
Nach Fertigstellung auch der Horizontalumwicklung wird der Tragrahmen (6) so weit hochgefahren, daß die Paletteneinheit (17) aus der Wickelvorrichtung (1) herausgefahren werden kann. Danach wird der Tragrahmen (6) erneut nach unten in eine vertikale Ebene verschwenkt. Nach Einfahren des Fahrwagens (21) kann dann eine neue Paletteneinheit in vorbeschriebener Weise umwickelt werden.After completion of the horizontal wrapping, the support frame (6) is raised so far that the pallet unit (17) can be moved out of the winding device (1). The support frame (6) is then pivoted downward again into a vertical plane. After the carriage (21) has been driven in, a new pallet unit can then be wrapped in the manner described above.
Claims (9)
- Method of wrapping a pallet unit, comprising a stack of goods and a pallet, with a strip of film, wherein the pallet unit (17) is wrapped with the strip of film (28) substantially horizontally over its vertical sides and is also wrapped with the strip of film (28) substantially vertically over the top and bottom ends and over at least one pair of oppositely situated vertical sides, characterised in that, during the vertical wrapping process, the pallet unit (17) is so displaced horizontally and transversely relative to the configuration of the runners (25, 26, 27) that the strip of film (28) comes to lie in the region of the bottom end between the runners (25, 26, 27) of the pallet (18), but uniform wrapping also continues to be effected in the remaining region.
- Apparatus for implementing the method according to claim 1, comprising an apparatus frame, on which is mounted at least one satellite so as to be rotatably driven and motor-driven on a circular path, which has a means for receiving a roll of film strip and a means, which is especially brakable, for unwinding the strip of film, characterised in that the mounting of the satellite (12) is pivotable between a circular path extending in a horizontal plane and a circular path extending in a vertical plane.
- Apparatus according to claim 2, characterised in that the satellite or the satellites is or are mounted on a supporting frame (6, 10), which is mounted on one side of the apparatus frame (2) so as to be pivotable about a horizontal axis (7) and so as to be vertically raisable and lowerable.
- Apparatus according to claim 2 or 3, characterised in that the satellite or the satellites is or are disposed on a rotatable ring (11), which is rotatably mounted on a supporting ring (10).
- Apparatus according to one of claims 2 to 4, characterised in that the apparatus frame (2) has associated therewith a moving carriage (21), which has projecting supporting arms (24), which are insertable through the area which is occupied and surrounded by the circular path in the vertical position.
- Apparatus according to claim 5, characterised in that the supporting arms (24) have a vertical spacing from the chassis (22) of the moving carriage (21) such that the satellite (12) or the satellites is or are traversable in the vertical position of the circular path between supporting arms (24) and chassis (22).
- Apparatus according to one of claims 2 to 6, characterised in that the apparatus (1) has a supporting table (14) for the pallet unit (17), which table is provided with conveyor means (15) for the displacement of the pallet unit (17) perpendicular to the plane of the circular path of the satellite (12) or satellites in the vertical position.
- Apparatus according to one of claims 2 to 7, characterised in that the apparatus (1) has a vertically displaceable supporting table (14).
- Apparatus according to claim 8, characterised in that the width of the supporting table (14) is smaller than the free spacing between two supporting arms (24) of the moving carriage (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT91111930T ATE103551T1 (en) | 1990-08-09 | 1991-07-17 | METHOD AND DEVICE FOR WRAPPING A PALLET UNIT WITH A FILM TAPE. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4025201A DE4025201C2 (en) | 1990-08-09 | 1990-08-09 | Process for wrapping a pallet unit with a film tape and device for carrying out this process |
| DE4025201 | 1990-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0475019A1 EP0475019A1 (en) | 1992-03-18 |
| EP0475019B1 true EP0475019B1 (en) | 1994-03-30 |
Family
ID=6411898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91111930A Expired - Lifetime EP0475019B1 (en) | 1990-08-09 | 1991-07-17 | Method and apparatus for wrapping a palettised load with a foil strap |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5184449A (en) |
| EP (1) | EP0475019B1 (en) |
| JP (1) | JP3075780B2 (en) |
| AT (1) | ATE103551T1 (en) |
| CZ (1) | CZ280880B6 (en) |
| DE (2) | DE4025201C2 (en) |
| DK (1) | DK0475019T3 (en) |
| FI (1) | FI93931C (en) |
| HU (1) | HU211417B (en) |
| PL (1) | PL167554B1 (en) |
| RU (1) | RU2044674C1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9101032L (en) * | 1991-04-08 | 1992-06-22 | Staffan Ragnar Soederberg | PROCEDURE AND DEVICE FOR PACKAGING OF BALES WHERE PACKAGING FILM IS EVEN APPLIED IN CROSSING DIRECTION |
| FR2681311B1 (en) * | 1991-09-17 | 1993-12-10 | Philippe Fandard | PROCESS FOR CONDITIONING A PALLETIZABLE LOAD AND INSTALLATION FOR IMPLEMENTING THIS PROCESS. |
| FI940646A0 (en) * | 1993-04-07 | 1994-02-11 | Kalle Kivelae | Foerfarande och anordning Foer att veckla in ett stycke |
| US5878555A (en) * | 1995-06-08 | 1999-03-09 | Newtec International S.A | Apparatus for wrapping articles in plastic film |
| US6151863A (en) * | 1998-04-24 | 2000-11-28 | Lantech Management Corp. | Method and apparatus for stretch wrapping a load |
| US6289652B1 (en) * | 1998-11-06 | 2001-09-18 | Lantech Management Corp. | Method and apparatus for wrapping a load |
| DE19955478B4 (en) * | 1999-11-18 | 2006-01-05 | Demel, Ursula | Stretch winders |
| JP3622078B2 (en) * | 2000-04-04 | 2005-02-23 | 松本システムエンジニアリング株式会社 | Package packaging method and apparatus |
| ITMI20020370U1 (en) * | 2002-07-18 | 2004-01-19 | Filma S R L | AUTOMATIC SELF-PROPELLED PACKAGING EQUIPMENT PROVIDED WITH A COLUMN PROVISIONALLY FOLDABLE FOR TRANSPORT |
| ITMO20080122A1 (en) * | 2008-04-23 | 2009-10-24 | Bema Srl | PROCEDURE FOR WRAPPING LOADS, PARTICULARLY PALLETIZED LOADS, AND RELATIVE PLANT |
| ITBO20110660A1 (en) * | 2011-11-18 | 2013-05-19 | Toppy S R L | MACHINE FOR COMPOUND PACKAGING, PACKAGING METHOD AND MEANS OF WINDING |
| ITRE20120023A1 (en) * | 2012-04-03 | 2013-10-04 | A C M I Societa Per Azioni | WRAPPER FOR PACKAGE GROUPS |
| EP3070004B1 (en) * | 2015-03-19 | 2017-08-23 | ITALDIBIPACK S.p.A. | Combined winding and lifting device |
| ES2873648T3 (en) * | 2017-03-28 | 2021-11-03 | Msk Verpackung Syst Gmbh | Procedure for creating at least one free space in an envelope consisting of a stretch film that secures a stack of products arranged on a pallet, and a shaping device to carry out the procedure |
| CN111559540B (en) * | 2020-05-11 | 2021-11-23 | 金溪金妍汇美容有限公司 | Packaging device for cosmetic packaging |
| DE102022110571A1 (en) | 2022-04-29 | 2023-11-02 | Movitec Wrapping Systems, S.L. | Method and machine for vertical stretch wrapping |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2908122A (en) * | 1957-06-13 | 1959-10-13 | Joslyn Mfg & Supply Co | Method of processing and packaging |
| SE414480B (en) * | 1972-01-26 | 1980-08-04 | Transpak Consulting Ab Oy | DEVICE FOR WRAPPING PACKAGING COVER |
| FR2256871A1 (en) * | 1974-01-07 | 1975-08-01 | Applic Thermiques | Method of packaging small objects as one assembly - uses plastic strips stretched around junctions between layers |
| US4079565A (en) * | 1974-03-25 | 1978-03-21 | Lantech Inc. | Stretch-wrapped package, process and apparatus |
| US4302920A (en) * | 1979-11-21 | 1981-12-01 | Lantech Inc. | Film web drive stretch wrapping apparatus and process |
| JPS5940683B2 (en) * | 1980-12-13 | 1984-10-02 | シンワ化学工業株式会社 | Pallet stretch packaging method using composite stretch film |
| US4545182A (en) * | 1983-03-24 | 1985-10-08 | Mcdowell Jr Kenneth J | Rotating film wrapping apparatus with traveling clamp |
| US4549388A (en) * | 1983-09-13 | 1985-10-29 | Lantech, Inc. | Package sealing apparatus |
| US4500001A (en) * | 1983-11-25 | 1985-02-19 | Daniels Frank J | Palletizing process and a product of that process |
| US4712354A (en) * | 1984-02-23 | 1987-12-15 | Lantech, Inc. | Dual rotating stretch wrapping apparatus and process |
| IT1184905B (en) * | 1985-03-13 | 1987-10-28 | Val Mec Srl | EQUIPMENT FOR WRAPPING A PACK WITH A FILM, IRONABLE AND SUBSEQUENTLY RETRACTABLE WHEN COLD AND HOT |
| DE3541736A1 (en) * | 1985-11-26 | 1987-05-27 | Guenter Werner | Foil-wrapping machine for pallet packs and the like |
| DE3634924A1 (en) * | 1986-10-14 | 1988-04-21 | Dentz Verpackungsmaschinen Gmb | Packaging apparatus for foil-wrapped packs |
| DE8704297U1 (en) * | 1987-03-23 | 1987-06-04 | Pleines, Hanns Dieter, 6000 Frankfurt, De | |
| JPH0282020A (en) * | 1988-09-17 | 1990-03-22 | Hitachi Heating Appliance Co Ltd | Heating cooker |
| FI83193C (en) * | 1989-04-14 | 1991-06-10 | Newtec Int | FOERFARANDE OCH ANORDNING FOER FOGNING OCH AVSKAERNING AV VECKLINGSFILM. |
-
1990
- 1990-08-09 DE DE4025201A patent/DE4025201C2/en not_active Expired - Lifetime
-
1991
- 1991-07-17 EP EP91111930A patent/EP0475019B1/en not_active Expired - Lifetime
- 1991-07-17 DK DK91111930.3T patent/DK0475019T3/en active
- 1991-07-17 AT AT91111930T patent/ATE103551T1/en not_active IP Right Cessation
- 1991-07-17 DE DE91111930T patent/DE59101270D1/en not_active Expired - Lifetime
- 1991-08-05 JP JP03195295A patent/JP3075780B2/en not_active Expired - Lifetime
- 1991-08-06 HU HU912612A patent/HU211417B/en not_active IP Right Cessation
- 1991-08-08 RU SU915001643A patent/RU2044674C1/en active
- 1991-08-08 PL PL91291371A patent/PL167554B1/en unknown
- 1991-08-09 US US07/743,046 patent/US5184449A/en not_active Expired - Lifetime
- 1991-08-09 FI FI913778A patent/FI93931C/en not_active IP Right Cessation
- 1991-08-09 CZ CS912472A patent/CZ280880B6/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CZ280880B6 (en) | 1996-04-17 |
| RU2044674C1 (en) | 1995-09-27 |
| HU912612D0 (en) | 1992-01-28 |
| FI93931B (en) | 1995-03-15 |
| FI93931C (en) | 1995-06-26 |
| DE59101270D1 (en) | 1994-05-05 |
| US5184449A (en) | 1993-02-09 |
| EP0475019A1 (en) | 1992-03-18 |
| HUT58631A (en) | 1992-03-30 |
| DK0475019T3 (en) | 1994-05-02 |
| JPH05262313A (en) | 1993-10-12 |
| FI913778A (en) | 1992-02-10 |
| HU211417B (en) | 1995-11-28 |
| PL291371A1 (en) | 1992-02-24 |
| JP3075780B2 (en) | 2000-08-14 |
| CS247291A3 (en) | 1992-02-19 |
| FI913778A0 (en) | 1991-08-09 |
| DE4025201C2 (en) | 1996-09-26 |
| ATE103551T1 (en) | 1994-04-15 |
| PL167554B1 (en) | 1995-09-30 |
| DE4025201C1 (en) | 1991-11-28 |
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