EP2792599B2 - A machine for packaging pallets - Google Patents

A machine for packaging pallets Download PDF

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Publication number
EP2792599B2
EP2792599B2 EP14163123.4A EP14163123A EP2792599B2 EP 2792599 B2 EP2792599 B2 EP 2792599B2 EP 14163123 A EP14163123 A EP 14163123A EP 2792599 B2 EP2792599 B2 EP 2792599B2
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EP
European Patent Office
Prior art keywords
tubular film
cutting
section
welding device
pile
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.)
Active
Application number
EP14163123.4A
Other languages
German (de)
French (fr)
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EP2792599B1 (en
EP2792599A1 (en
Inventor
Stefano Bocedi
Federico Busato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OFFICINA BOCEDI Srl
Original Assignee
Officina Bocedi Srl
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Application filed by Officina Bocedi Srl filed Critical Officina Bocedi Srl
Priority to PL14163123.4T priority Critical patent/PL2792599T5/en
Priority to SI201430411T priority patent/SI2792599T1/en
Publication of EP2792599A1 publication Critical patent/EP2792599A1/en
Application granted granted Critical
Publication of EP2792599B1 publication Critical patent/EP2792599B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—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
    • 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
    • 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
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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

Definitions

  • the present invention relates to a machine for packaging pallets.
  • the present invention relates to a machine predisposed to fit a cap of stretchable film onto a pile of articles arranged on a pallet.
  • the machines currently available for packaging pallets by means of a cap of stretchable film comprise a frame, with mainly vertical development, with which a device for supplying the film, a device for cutting and welding the film and a devise for positioning the film are associated.
  • the film supply device removes a section of tubular stretchable film from a store, typically realised in the form of a wound roll of said film.
  • the section of film is normally removed by unwinding from said store.
  • the cutting and welding device positioned beneath the supply device, is predisposed to cut and weld the film, so as to obtain a cap closed at one end.
  • the film positioning device positioned beneath the cutting and welding device, is predisposed to grip the lower edges of the film cap and to lower said cap, fitting it onto the pile of articles beneath.
  • the machines currently available are divided substantially into two types.
  • a first type of machine all the operating devices briefly described above are associated with the upper part of the frame, which may reach considerable heights. This makes it necessary to predispose access ladders or walkways at the upper part of the frame so as to allow maintenance operations on said devices. Said access ladders and walkways require appropriate safety measures to be adopted, often obligatory, to prevent accidental falling of operators.
  • the operating devices briefly described above are provided with the possibility of sliding vertically along the machine frame, being able to lower substantially to ground level to allow performance of maintenance operations on the ground.
  • This requires the use of additional motorised devices with respect to those normally present on the machines, with a consequent increase in the costs and complexity of the machine.
  • Lowering of the supply device also requires adoption of a further film collection device, which must intervene to collect the section of stretched film between the store and the supply device each time the supply device is lowered.
  • the object of the present invention is providing a machine for packaging pallets which allows the problems of the currently available machines to be overcome. This object is achieved by a machine according to claim 1 or claim 2.
  • One advantage of the machine according to the present invention is that it heavily limits the need to access the upper part of the frame.
  • Another advantage of the machine according to the present invention is that it does not require the addition of further motorised devices with respect to those normally present on machines of this type.
  • the machine for packaging pallets comprises a frame (2).
  • Said frame (2) has a mainly vertical development and comprises four vertical uprights (21) joined at the bottom by a base structure (22) and at the top by a head structure (23).
  • the base structure (22) has a resting surface for the articles to be packaged.
  • the articles to be packaged are arranged in a pile supported by a pallet.
  • the machine also comprises a supply device (3), predisposed to remove a section of tubular film from a store (M).
  • the supply device (3) comprises a pair of rollers (31,32), of which at least one is motorised.
  • the two rollers (31,32) are predisposed to grip between them a section of tubular film, which is in a flattened configuration in two superimposed layers. Rotation of the rollers (31,32) therefore causes dragging of the film in the same direction of rotation of said rollers.
  • This allows a section of film of a specific length to be removed from the store (M).
  • the length of the section of film removed may be measured in various ways at the disposal of a person skilled in the art.
  • the store (M) is in the form of a roller onto which the tubular film is wound in a flattened configuration.
  • the tubular film is substantially arranged in two superimposed layers joined laterally.
  • Figures 4 and 5 show two stores (M) in the form of rollers onto which tubular films (F) of different format are wound, which are used alternatively, depending on the format of the pallet to be covered.
  • the machine according to the invention also comprises a cutting and welding device (4), predisposed to cut and weld at a specific section of the tubular film.
  • the function of said cutting and welding device (4) is closing at one end a section of tubular film, so as to give it an overall cap shape.
  • the cutting and welding device (4) comprises a pair of operating elements (41,42), of which at least one may be heated to a melting temperature of the tubular film.
  • the two operating elements are mobile between an operating position, in which they are alongside each other to grip a section of the tubular film, and a release position, in which they are distanced from each other.
  • the two operating elements are controlled by actuators at the disposal of the person skilled in the art.
  • the two operating elements (41,42) are arranged downstream of the supply device (3) and act on the tubular film which is still in the flattened configuration in two superimposed layers. In the operating position, the heat and the action of pressure exerted by the two operating elements (41,42) on the tubular film, which is flattened in two superimposed layers, cause cutting of the tubular film and melting between the two layers.
  • a positioning device (5) vertically mobile, is predisposed to grip the section of tubular film at one end and to fit the section of film onto a pile of articles beneath.
  • the positioning device (5) comprises four gripping units (51), arranged substantially at the vertices of a quadrilateral.
  • Each gripping unit (51) is mobile on a horizontal plane along two perpendicular axes (X,Y).
  • the gripping units (51) are divided into two opposing pairs.
  • Each pair of gripping units (51) is associated with a respective crossbar (61) parallel to a first horizontal direction (X).
  • the gripping units (51) slide along their own crossbar in a parallel direction to the first horizontal direction (X).
  • the two crossbars (61) are in turn associated with two side members (62) parallel to a second horizontal direction (Y) perpendicular to the first horizontal direction (X).
  • the two crossbars (61) also slide along the side members (62) in a parallel way to the second horizontal direction (Y). Sliding of the gripping units and the two crossbars (61) is obtained by means of actuators at the disposal of the person skilled in the art.
  • the vertical motion of the positioning device (5) is obtained by means of sliding of the side members (62) along the frame (2) of the machine, operated by actuators of a known type.
  • Each gripping unit preferably comprises a hooking element (52), predisposed to be inserted at least partially into the tubular film below a lower edge of said tubular film.
  • Said hooking element (52) is preferably in the form of an elongated plate, oriented vertically and shaped so as not to cause damage to the tubular film.
  • the hooking element (52) is predisposed to drag and enlarge the tubular film through the sliding motions of the gripping unit (51) along the horizontal sliding directions (X,Y).
  • the gripping units (51) are initially in a position in which they are close to each other. In this position, they are raised towards the lower edge of the tubular film above them, coming from the supply device (3).
  • Each hooking element (52) is positioned inside the tubular film (F). Subsequently, the gripping units (51) are distanced from each other by sliding, until they reach the vertices of a quadrilateral. By moving away from each other, the hooking elements (52) stretch the lower edge of the tubular film (F) so that it is positioned according to a corresponding quadrangular shape.
  • Each gripping unit (51) also comprises a motorised roller (53), predisposed to approach the hooking element (52) and to grip the tubular film on the hooking element (52).
  • the motorised roller (53) collects the tubular film between itself and the hooking element alongside it.
  • the simultaneous action of the four gripping units therefore leads to total collection, along a vertical direction, of the section of tubular film coming from the supply device.
  • the section of tubular film, previously cut by the cutting and welding device (4), is collected in a sleeve around the hooking elements (52), as shown schematically in figure 4 .
  • the gripping units (51) are lowered, fitting the tubular film (F) onto the pile of articles.
  • the tubular film extends once again in contact with the pile of articles, progressively unwinding from the hooking elements (52). Once arrangement of the tubular film (F) on the pile of articles is completed, said pile is evacuated and replaced by a new pile of articles to be covered and the gripping units (51) return to the initial position for a new cycle of operations identical to the one described.
  • Each motorised roller (53) is associated with a support (54) being able to rotate around a vertical axis between an inactive position, in which the roller is distanced from the hooking element (52), and an operating position, in which the motorised roller (53) is alongside the hooking element (52).
  • the motorised rollers (53) are in the inactive position.
  • the motorised rollers (53) move into the operating position to collect the tubular film.
  • the cutting and welding device (4) is vertically mobile along the frame (2). Movement of the cutting and welding device (4) may be obtained by means of actuators specifically dedicated to this purpose, in a known way for the person skilled in the art. In view of the lightness and construction simplicity of the cutting and welding device (4), small and inexpensive sliding means may be used. Alternatively, the vertical movement of the cutting and welding device (4) may be obtained using the positioning device (5), which is provided with the vertical sliding means described above and necessary for its functioning, as a conveying system. In other words, the cutting and welding device (4) may be arranged resting on the positioning device (5) underneath and be moved vertically and integrally with the positioning device.
  • blocking means are provided, not shown as they are known to the person skilled in the art, predisposed to maintain the cutting and welding device (4) fixed in a specific vertical position with respect to the frame (2), during normal functioning of the machine.
  • the cutting and welding device (4) may be lowered, by means of dedicated sliding means or by sliding of the positioning device (5), at a level accessible from the ground for operators.
  • the supply device (3) is arranged in a fixed position in an upper zone of the frame (2), above the cutting and welding device (4) and the positioning device (5).
  • the supply device (3) in fact, requires extremely infrequent maintenance operations, in view of its construction simplicity and the simplicity of the operation it is designed to perform. For these infrequent maintenance operations, it is therefore preferable for the operator to go directly to the supply device (3), using a ladder and a walkway which can be predisposed for this purpose, even only temporarily.
  • the use of the fixed supply device (3) in any case, considerably simplifies realisation and functioning of the machine according to the present invention with respect to machines in which the possibility of vertically moving the supply device (3) is also envisaged.
  • the machine according to the present invention therefore offers considerable advantages. It allows simplification of maintenance operations on the cutting and welding device (4), which may be lowered to ground level. Simultaneously, the complexity of the machine is not increased excessively, since the supply device (3) is fixed, and all devices needed to allow its vertical movement are therefore absent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Special Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

  • The present invention relates to a machine for packaging pallets.
  • In particular, the present invention relates to a machine predisposed to fit a cap of stretchable film onto a pile of articles arranged on a pallet.
  • The machines currently available for packaging pallets by means of a cap of stretchable film comprise a frame, with mainly vertical development, with which a device for supplying the film, a device for cutting and welding the film and a devise for positioning the film are associated.
  • The film supply device removes a section of tubular stretchable film from a store, typically realised in the form of a wound roll of said film. The section of film is normally removed by unwinding from said store.
  • The cutting and welding device, positioned beneath the supply device, is predisposed to cut and weld the film, so as to obtain a cap closed at one end.
  • The film positioning device, positioned beneath the cutting and welding device, is predisposed to grip the lower edges of the film cap and to lower said cap, fitting it onto the pile of articles beneath.
  • The machines currently available are divided substantially into two types. In a first type of machine, all the operating devices briefly described above are associated with the upper part of the frame, which may reach considerable heights. This makes it necessary to predispose access ladders or walkways at the upper part of the frame so as to allow maintenance operations on said devices. Said access ladders and walkways require appropriate safety measures to be adopted, often obligatory, to prevent accidental falling of operators.
  • In a second type of machine, the operating devices briefly described above are provided with the possibility of sliding vertically along the machine frame, being able to lower substantially to ground level to allow performance of maintenance operations on the ground. This requires the use of additional motorised devices with respect to those normally present on the machines, with a consequent increase in the costs and complexity of the machine. Lowering of the supply device also requires adoption of a further film collection device, which must intervene to collect the section of stretched film between the store and the supply device each time the supply device is lowered.
  • Examples of prior art devices, which suffer of the above drawbacks, are known from documents DE3600598 , US2002/170270 , DE1927356 , EP1818261 .
  • The object of the present invention is providing a machine for packaging pallets which allows the problems of the currently available machines to be overcome. This object is achieved by a machine according to claim 1 or claim 2.
  • One advantage of the machine according to the present invention is that it heavily limits the need to access the upper part of the frame.
  • Another advantage of the machine according to the present invention is that it does not require the addition of further motorised devices with respect to those normally present on machines of this type.
  • Further characteristics and advantages of the present invention will become clear from the following detailed description of an embodiment of the invention in question, illustrated by way of non-limiting example in the appended figures, wherein:
    • Figure 1 shows a first perspective view of the machine according to the present invention;
    • Figure 2 shows a second perspective view of the machine according to the present invention;
    • Figure 3 shows an enlargement of a zone of the machine according to the present invention;
    • Figure 4 shows a side view of the machine in a first operating configuration;
    • Figure 5 shows the machine of Figure 4 in a second operating configuration.
  • The machine for packaging pallets according to the present invention comprises a frame (2). Said frame (2) has a mainly vertical development and comprises four vertical uprights (21) joined at the bottom by a base structure (22) and at the top by a head structure (23). The base structure (22) has a resting surface for the articles to be packaged. In the preferred use of the machine, the articles to be packaged are arranged in a pile supported by a pallet.
  • The machine also comprises a supply device (3), predisposed to remove a section of tubular film from a store (M). In a preferred embodiment, the supply device (3) comprises a pair of rollers (31,32), of which at least one is motorised. The two rollers (31,32) are predisposed to grip between them a section of tubular film, which is in a flattened configuration in two superimposed layers. Rotation of the rollers (31,32) therefore causes dragging of the film in the same direction of rotation of said rollers. This allows a section of film of a specific length to be removed from the store (M). The length of the section of film removed may be measured in various ways at the disposal of a person skilled in the art. Preferably, the store (M) is in the form of a roller onto which the tubular film is wound in a flattened configuration. In said flattened configuration, the tubular film is substantially arranged in two superimposed layers joined laterally. Figures 4 and 5 show two stores (M) in the form of rollers onto which tubular films (F) of different format are wound, which are used alternatively, depending on the format of the pallet to be covered.
  • The machine according to the invention also comprises a cutting and welding device (4), predisposed to cut and weld at a specific section of the tubular film. The function of said cutting and welding device (4) is closing at one end a section of tubular film, so as to give it an overall cap shape. Preferably, the cutting and welding device (4) comprises a pair of operating elements (41,42), of which at least one may be heated to a melting temperature of the tubular film. The two operating elements are mobile between an operating position, in which they are alongside each other to grip a section of the tubular film, and a release position, in which they are distanced from each other. The two operating elements are controlled by actuators at the disposal of the person skilled in the art. The two operating elements (41,42) are arranged downstream of the supply device (3) and act on the tubular film which is still in the flattened configuration in two superimposed layers. In the operating position, the heat and the action of pressure exerted by the two operating elements (41,42) on the tubular film, which is flattened in two superimposed layers, cause cutting of the tubular film and melting between the two layers.
  • A positioning device (5), vertically mobile, is predisposed to grip the section of tubular film at one end and to fit the section of film onto a pile of articles beneath. In a preferred embodiment, the positioning device (5) comprises four gripping units (51), arranged substantially at the vertices of a quadrilateral. Each gripping unit (51) is mobile on a horizontal plane along two perpendicular axes (X,Y). In order to obtain this type of mobility, the gripping units (51) are divided into two opposing pairs. Each pair of gripping units (51) is associated with a respective crossbar (61) parallel to a first horizontal direction (X). The gripping units (51) slide along their own crossbar in a parallel direction to the first horizontal direction (X). The two crossbars (61) are in turn associated with two side members (62) parallel to a second horizontal direction (Y) perpendicular to the first horizontal direction (X). The two crossbars (61) also slide along the side members (62) in a parallel way to the second horizontal direction (Y). Sliding of the gripping units and the two crossbars (61) is obtained by means of actuators at the disposal of the person skilled in the art. The vertical motion of the positioning device (5) is obtained by means of sliding of the side members (62) along the frame (2) of the machine, operated by actuators of a known type.
  • Each gripping unit preferably comprises a hooking element (52), predisposed to be inserted at least partially into the tubular film below a lower edge of said tubular film. Said hooking element (52) is preferably in the form of an elongated plate, oriented vertically and shaped so as not to cause damage to the tubular film. The hooking element (52) is predisposed to drag and enlarge the tubular film through the sliding motions of the gripping unit (51) along the horizontal sliding directions (X,Y).
  • In particular, the gripping units (51) are initially in a position in which they are close to each other. In this position, they are raised towards the lower edge of the tubular film above them, coming from the supply device (3). Each hooking element (52) is positioned inside the tubular film (F). Subsequently, the gripping units (51) are distanced from each other by sliding, until they reach the vertices of a quadrilateral. By moving away from each other, the hooking elements (52) stretch the lower edge of the tubular film (F) so that it is positioned according to a corresponding quadrangular shape.
  • Each gripping unit (51) also comprises a motorised roller (53), predisposed to approach the hooking element (52) and to grip the tubular film on the hooking element (52). Thus, when rotated, the motorised roller (53) collects the tubular film between itself and the hooking element alongside it. The simultaneous action of the four gripping units therefore leads to total collection, along a vertical direction, of the section of tubular film coming from the supply device. The section of tubular film, previously cut by the cutting and welding device (4), is collected in a sleeve around the hooking elements (52), as shown schematically in figure 4. Subsequently, the gripping units (51) are lowered, fitting the tubular film (F) onto the pile of articles. The tubular film extends once again in contact with the pile of articles, progressively unwinding from the hooking elements (52). Once arrangement of the tubular film (F) on the pile of articles is completed, said pile is evacuated and replaced by a new pile of articles to be covered and the gripping units (51) return to the initial position for a new cycle of operations identical to the one described.
  • Each motorised roller (53) is associated with a support (54) being able to rotate around a vertical axis between an inactive position, in which the roller is distanced from the hooking element (52), and an operating position, in which the motorised roller (53) is alongside the hooking element (52). During vertical raising of the gripping units (51) which carries the hooking elements (52) to be inserted in the tubular film (F), and during the expanding motion of the gripping units (51), the motorised rollers (53) are in the inactive position. At the end of expansion of the gripping units, the motorised rollers (53) move into the operating position to collect the tubular film.
  • Advantageously, the cutting and welding device (4) is vertically mobile along the frame (2). Movement of the cutting and welding device (4) may be obtained by means of actuators specifically dedicated to this purpose, in a known way for the person skilled in the art. In view of the lightness and construction simplicity of the cutting and welding device (4), small and inexpensive sliding means may be used. Alternatively, the vertical movement of the cutting and welding device (4) may be obtained using the positioning device (5), which is provided with the vertical sliding means described above and necessary for its functioning, as a conveying system. In other words, the cutting and welding device (4) may be arranged resting on the positioning device (5) underneath and be moved vertically and integrally with the positioning device. In this case blocking means are provided, not shown as they are known to the person skilled in the art, predisposed to maintain the cutting and welding device (4) fixed in a specific vertical position with respect to the frame (2), during normal functioning of the machine. On occasion of maintenance operations, the cutting and welding device (4) may be lowered, by means of dedicated sliding means or by sliding of the positioning device (5), at a level accessible from the ground for operators.
  • In contrast, the supply device (3) is arranged in a fixed position in an upper zone of the frame (2), above the cutting and welding device (4) and the positioning device (5). The supply device (3), in fact, requires extremely infrequent maintenance operations, in view of its construction simplicity and the simplicity of the operation it is designed to perform. For these infrequent maintenance operations, it is therefore preferable for the operator to go directly to the supply device (3), using a ladder and a walkway which can be predisposed for this purpose, even only temporarily. The use of the fixed supply device (3), in any case, considerably simplifies realisation and functioning of the machine according to the present invention with respect to machines in which the possibility of vertically moving the supply device (3) is also envisaged.
  • The machine according to the present invention therefore offers considerable advantages. It allows simplification of maintenance operations on the cutting and welding device (4), which may be lowered to ground level. Simultaneously, the complexity of the machine is not increased excessively, since the supply device (3) is fixed, and all devices needed to allow its vertical movement are therefore absent.

Claims (7)

  1. A machine for packaging pallets, comprising:
    a frame (2);
    a supply device (3), predisposed to remove a section of tubular film from a store (M);
    a cutting and welding device (4), predisposed to cut and weld at a determined section of the tubular film;
    a positioning device (5), vertically mobile, which comprises four gripping units (51), arranged at the vertices of a quadrilateral and predisposed to grip the section of tubular film at one end and to collect the section of tubular film in a sleeve around hooking elements (52) and to fit the section of film onto a pile of articles, each of which is mobile on a horizontal plane along two perpendicular axis (X,Y);
    wherein the cutting and welding device (4) is vertically mobile, while the supply device (3) is arranged in a fixed position in an upper zone of the frame (2), above the cutting and welding device (4) and the positioning device (5);
    wherein the cutting and welding device (4) is maintained fixed in a specific vertical position with respect to the frame (2), during normal functioning of the machine;
    wherein the cutting and welding device (4) may be lowered, by means of dedicated sliding means, down to a level accessible from the ground for operators, on occasion of maintenance operations;
    and wherein during normal functioning of the machine, the gripping units (51) are lowered, fitting the tubular film (F) onto the pile of articles;
    wherein once arrangement of the tubular film (F) on the pile of articles is completed, said pile is evacuated and replaced by a new pile of articles to be covered and the gripping units (51) return to the initial position.
  2. A machine for packaging pallets, comprising:
    a frame (2);
    a supply device (3), predisposed to remove a section of tubular film from a store (M);
    a cutting and welding device (4), predisposed to cut and weld at a determined section of the tubular film;
    a positioning device (5), vertically mobile, which comprises four gripping units (51), arranged at the vertices of a quadrilateral and predisposed to grip the section of tubular film at one end and to collect the section of tubular film in a sleeve around hooking elements (52) and to fit the section of film onto a pile of articles, each of which is mobile on a horizontal plane along two perpendicular axis (X,Y);
    wherein the cutting and welding device (4) is vertically mobile, while the supply device (3) is arranged in a fixed position in an upper zone of the frame (2), above the cutting and welding device (4) and the positioning device (5);
    wherein the cutting and welding device (4) is maintained fixed in a specific vertical position with respect to the frame (2), during normal functioning of the machine;
    wherein the cutting and welding device (4) may be lowered, by sliding of the positioning device (5), down to a level accessible from the ground for operators, on occasion of maintenance operations;
    wherein blocking means are provided to maintain the cutting and welding device (4) fixed in a specific vertical position with respect to the frame (2) during normal functioning of the machine;
    and wherein during normal functioning of the machine, the gripping units (51) are lowered, fitting the tubular film (F) onto the pile of articles;
    wherein once arrangement of the tubular film (F) on the pile of articles is completed, said pile is evacuated and replaced by a new pile of articles to be covered and the gripping units (51) return to the initial position.
  3. The machine according to claim 1 or 2, wherein the supply device (3) comprises a pair of rollers (31, 32), of which at least one is motorised, predisposed to grip a section of tubular film between them.
  4. The machine according to claim 1 or 2, wherein the cutting and welding device (4) comprises a pair of operating elements (41, 42), of which at least one may be heated to a melting temperature of the tubular film, which are mobile between an operating position, in which they are alongside each other to grip a section of the tubular film, and a release position, in which they are distanced from each other.
  5. The machine according to claim 1 or 2, wherein the positioning device (5) comprises four gripping units (51), arranged substantially at the vertices of a quadrilateral, each of which is mobile on a horizontal plane along two perpendicular axes (X, Y).
  6. The machine according to claim 5, wherein each gripping unit comprises: a hooking element (52), predisposed to be inserted at least partially into the tubular film below a lower edge of said tubular film and to pull in expansion the tubular film; a motorised roller (53), predisposed to approach the hooking element (52) and to grip the tubular film on the hooking element (52).
  7. The machine according to claim 6, wherein the motorised roller (53) is associated with a support (54) being able to rotate around a vertical axis between an inactive position, in which the roller is distanced from the hooking element (52), and an operating position, in which the motorised roller (53) is alongside the hooking element (52).
EP14163123.4A 2013-04-15 2014-04-02 A machine for packaging pallets Active EP2792599B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL14163123.4T PL2792599T5 (en) 2013-04-15 2014-04-02 A machine for packaging pallets
SI201430411T SI2792599T1 (en) 2013-04-15 2014-04-02 A machine for packaging pallets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000096A ITMO20130096A1 (en) 2013-04-15 2013-04-15 PALLET PACKAGING MACHINE

Publications (3)

Publication Number Publication Date
EP2792599A1 EP2792599A1 (en) 2014-10-22
EP2792599B1 EP2792599B1 (en) 2017-08-02
EP2792599B2 true EP2792599B2 (en) 2023-03-29

Family

ID=48579292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14163123.4A Active EP2792599B2 (en) 2013-04-15 2014-04-02 A machine for packaging pallets

Country Status (7)

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EP (1) EP2792599B2 (en)
DK (1) DK2792599T4 (en)
ES (1) ES2645477T5 (en)
HU (1) HUE034167T2 (en)
IT (1) ITMO20130096A1 (en)
PL (1) PL2792599T5 (en)
SI (1) SI2792599T1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011075451B4 (en) 2011-05-06 2014-05-08 Illinois Tool Works Inc. Method and device for impinging a tubular film section on the refining fingers of a packaging installation
FI124180B (en) 2011-09-30 2014-04-15 Illinois Tool Works Method of bringing a winding machine into a transport position and winding machine
FI125411B (en) 2013-10-31 2015-10-15 Signode Internat Ip Holdings Llc Method and Attachment Device for Attaching the End of a Wrapping Film Web to a Wrapping Machine, and a Wrapping Machine
DE102014106365B4 (en) 2014-05-07 2017-06-14 Lachenmeier Aps Packaging process for packaging a good
DE102015101489A1 (en) 2015-02-02 2016-08-04 Signode Industrial Group Llc Packaging device and method of operating the same
ITUB20159526A1 (en) * 2015-12-18 2017-06-18 Messersi Packaging Srl MOLDING MACHINE
NL2017802B1 (en) * 2016-04-25 2017-11-07 F3-Design B V Packing machine
EP3501996B1 (en) * 2017-12-22 2021-02-03 Imp.A.C. S.R.L. Capping machine with double tubular film handling system

Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2008031449A1 (en) † 2006-09-15 2008-03-20 Lachenmeier A/S Packaging apparatus, locking mechanism for a packaging apparatus, and method for operating the former
EP2336034A1 (en) † 2009-12-21 2011-06-22 MSK - Verpackungs-Systeme GmbH Method and device for wrapping a stack of goods with a film

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Publication number Priority date Publication date Assignee Title
DE1927356A1 (en) * 1969-05-29 1971-02-04 Keller & Co Masch C Device for wrapping stacks, in particular stacks of bricks, by means of a film tube
US4050219A (en) * 1976-02-19 1977-09-27 Comptex, Inc. Bagging machine
DE3600589C1 (en) * 1986-01-11 1987-04-16 Keller Gmbh & Co Kg Apparatus for drawing a side-folding tube of heat-shrinkable plastic over a product stack
US6962037B2 (en) * 2001-04-03 2005-11-08 Borchard James A Methods for sealing a load placed on a pallet
ITBO20060096A1 (en) * 2006-02-10 2007-08-11 Aetna Group Spa EQUIPMENT FOR COVERING GROUPS OF PRODUCTS WITH EXTENSIBLE TUBULAR FILM

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2008031449A1 (en) † 2006-09-15 2008-03-20 Lachenmeier A/S Packaging apparatus, locking mechanism for a packaging apparatus, and method for operating the former
EP2336034A1 (en) † 2009-12-21 2011-06-22 MSK - Verpackungs-Systeme GmbH Method and device for wrapping a stack of goods with a film

Also Published As

Publication number Publication date
SI2792599T1 (en) 2017-12-29
PL2792599T3 (en) 2017-12-29
PL2792599T5 (en) 2023-07-10
ES2645477T5 (en) 2023-07-31
EP2792599B1 (en) 2017-08-02
HUE034167T2 (en) 2018-01-29
EP2792599A1 (en) 2014-10-22
DK2792599T3 (en) 2017-11-06
ES2645477T3 (en) 2017-12-05
DK2792599T4 (en) 2023-06-19
ITMO20130096A1 (en) 2014-10-16

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