EP3261936B1 - Groupe d'emballage et procédé d'emballage pour emballer des produits, en particulier des produits d'édition, dans des bandes de confinement - Google Patents

Groupe d'emballage et procédé d'emballage pour emballer des produits, en particulier des produits d'édition, dans des bandes de confinement Download PDF

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Publication number
EP3261936B1
EP3261936B1 EP16716682.6A EP16716682A EP3261936B1 EP 3261936 B1 EP3261936 B1 EP 3261936B1 EP 16716682 A EP16716682 A EP 16716682A EP 3261936 B1 EP3261936 B1 EP 3261936B1
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EP
European Patent Office
Prior art keywords
conveyor
products
advancing
product
containment
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
EP16716682.6A
Other languages
German (de)
English (en)
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EP3261936A1 (fr
Inventor
Marco AVANZI
Gianni Manzini
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Sitma Machinery SpA
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Sitma Machinery SpA
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Publication date
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Publication of EP3261936A1 publication Critical patent/EP3261936A1/fr
Application granted granted Critical
Publication of EP3261936B1 publication Critical patent/EP3261936B1/fr
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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
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/08—Bundling paper sheets, envelopes, bags, newspapers, or other thin flat articles
    • 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
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
    • 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
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/18—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths
    • B65B11/20—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths to fold the wrappers in tubular form about contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • 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
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B65B35/50—Stacking one article, or group of articles, upon another before packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • 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
    • B65B49/00—Devices for folding or bending wrappers around contents
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids

Definitions

  • the present invention refers to a wrapping group and a method for wrapping products, in particular editorial products, in containment bands.
  • the present invention refers to an automatic packaging machine incorporating a wrapping group according to the present invention.
  • edit product refers to a product as those exemplified hereinbefore, being them single (i.e. a book) or multiple (i.e. collections of editorial products also of different kind and/or different size).
  • the single bands are fed laid in length on a feeding plane that is parallel to the advancing plane of the products (collections) and below each product and their opposite ends are folded and closed on the respective product by guiding and lateral folding groups.
  • GB1274202 discloses a wrapping machine in which rectangular articles are successively fed one after the other on a continuously moving chain conveyor. The articles pass successively into engagement with wrappers that are fed transversely into the path movement of the articles. Each wrapper is carried by a respective article into a folding channel that, in cooperation with the advancing movement of the article, causes the wrapper to fold about the leading edge and the upper and lower surfaces of the article forming a U-shaped pocket.
  • a pair of transfer members arranged one on each side of the conveyor move simultaneously into engagement with the rear face of the article in turn and tuck in the sides of the rearward extending portion of the wrapper to form tabs projecting from the upper and lower surfaces of the article.
  • the lower tab is foled onto the rear end of the article by means of a folding blade that is disposed below a vertical magazine, whereas the upper tab is folded on the already folded lower tab by means of the vertical wall of the magazine as a pusher pushes the article upwardly into the magazine.
  • the aim of the present invention is to overcome the drawbacks of the prior art.
  • a particular aim of the present invention is to provide a wrapping group and a wrapping method for wrapping products, in particular editorial products, in containment bands that allow to wrap in a simple, substantially continuous and high-speed manner each product into a respective containment band.
  • Another purpose of the present invention is to realize a wrapping group and a wrapping method that allow to easily and rapidly manage the format changes of the products to be packaged.
  • Another purpose of the present invention is to realize a wrapping group and a wrapping method that may also be easily implemented on already existing packaging/inserting machines.
  • a further aim of the present invention is to realize an automatic packaging machine working substantially continuously which allows to easily and rapidly manage the format changes of the product to be packaged and the format changes of the containment product (cover or band) of each editorial product.
  • Another aim of the present invention is to realize a wrapping group and a packaging machine particularly simple and functional, at a reasonable cost.
  • a wrapping group 10 for wrapping products P in particular products P of editorial type, in containment bands F, wherein the wrapping device 10 is applied to a packaging machine 100 of the automatic type and working substantially continuously.
  • product P and, in particular, product P of editorial type refers to a product, single or multiple, consisting of, for example, a book, a ream of sheets and/or of products in sheets also of different type and/or format and stacked on each other in a ream or in a collection form.
  • product P of editorial type it is intended to indicate even a single book (see figure 9C ) or a plurality of sheets and/or of product in sheets (see figure 9A and 9B ) such as leaflets, depliant, brochure, newspapers, magazines, booklets, catalogues, postacards, tickets, envelopes and the like, stacked on each other to form a collection, such as, for example, collections of unaddressed advertising information.
  • each product P in ream or collection form may be of different kind and of different format.
  • each product P has as a whole a substantially right parallelepiped shape, such as, for example, in the case of a book, or it is delimited by a substantially right parallelepiped shape, such as, for example, in the case of a collection of different products.
  • Each band F is destined to contain and wrap a respective product P.
  • the bands F are known as "banderole”.
  • the bands F are constituted by a paper sheet, plastic film and the like and may be used to carry information or personalization.
  • the bands F have a development in length generally greater than the development in height, the latter may be less than or substantially equal to the correspondent size of the product P wrapped in it ( figures 9A and 9B ) in order to partly or totally cover it.
  • the bands F may be preformed and/or formed by cut directly in the group 10 or on the machine 100, thus, in particular, in order to be able to quickly manage any size changes of the products P.
  • the wrapping group 10 comprises a support structure 200 that defines an advancing plane 201 and that is provided with support elements 202 resting on the ground and that may be part of the support structure of the machine 100 or integrated in it; the various devices forming the wrapping group 10 and here below disclosed are, directly or indirectly, associated with the support structure 200.
  • the wrapping group 10 comprises a first conveyor 11 for conveying a plurality of products P one after the other and spaced apart from each other, along the advancing plane 201 and along an advancing direction schematically indicated by the track D.
  • the advancing plane 201 is parallel to the resting ground of the machine 100 and it is generally horizontal, likewise the advancing direction D is horizontal.
  • the products P advance along the advancing direction D in the advancing sense that runs from left to right as indicated by the arrows B.
  • products P are made to advance along the advancing plane 201 with their main dimension orthogonal to the advancing direction D.
  • the wrapping group 10 comprises, moreover, a feeding device 12 for feeding a plurality of containment bands F laid in length one after the other and spaced apart from each other along a feeding plane substantially transversal or orthogonal to the advancing direction D and along a feeding direction (indicated by track A) substantially transversal or orthogonal to the advancing plane 201 of the products P.
  • the feeding device 12 feeds bands F along a feeding plane that is substantially orthogonal to the advancing direction D of products P and, hence, with reference to the enclosed figures, it is substantially vertical; equally, the feeding direction A of the bands F is substantially orthogonal to the advancing plane 201 of the products P and, hence, with reference to the enclosed figures, it is substantially vertical.
  • both the feeding plane and the feeding direction A of the single bands F may be not completely orthogonal to the advancing plane 201, but they may be tilted a few degrees with respect to said advancing plane.
  • the feeding plane of the bands F as defined above is arranged downstream of the first conveyor 11.
  • the feeding device 12 feeds the bands F laid in length in such a manner that their length extends parallel to the feeding direction A.
  • Each band F has, in parallel with the feeding direction A, a length greater than the dimension that the respective product P has in parallel with the advancing direction D.
  • Each band F has, moreover, a height (i.e. shorter dimension orthogonal to the respective length) that is generally smaller than or substantially equal to the product P dimension that extends parallel to the advancing plane 201 and orthogonal to the advancing direction D.
  • the bands F may be preformed, also in different formats, and individually fed at the inlet of said feeding device 12 or may be formed in loco by cutting the corresponding part of a continuous sheet wrapped, for example, in a bobbin.
  • a second conveyor 13 is arranged downstream of the feeding device 12.
  • the second conveyor 13 is aligned to and has the same direction of the first conveyor 11.
  • each band F advancing along the feeding direction A is intercepted by a respective product P advancing along the advancing direction D and folded in two by it to form a semi-bundle or U-shaped pocket containing the product P itself as the latter, with the respective band F, advances along the advancing direction D conveyed by the second conveyor 13 ( figure 2C ).
  • the band F thus U-shaped folded and in which a respective product P is inserted, has a lower band portion, which rests on the second conveyor 13 and on which the respective product P rests, and an upper band portion, which rests on the respective product P.
  • the lower band portion has a flap L ( figures 5A-5E and 6A-6E ) that extends beyond the respective product P and behind it.
  • the semi-bundle or the pocket formed by the band F thus U-shaped folded around the respective product P has the sides parallel to the advancing direction D opened.
  • the wrapping group 10 moreover, comprises a folding and closing device 14 in order to fold and close the flap L of each U-shaped folded band F on the respective upper band portion, which rests on the upper face of the respective product P.
  • the wrapping group 10 moreover, comprises an application device 15 for applying an adhesive or glue onto the flap L or onto the upper band portion of each band F, said device being arranged upstream or at the folding and closing device 14.
  • the wrapping group 10 also comprises a printing device 16 for printing information or personalizations on each band F and which, according to a preferred embodiment, is arranged at or in proximity of the feeding device 12.
  • the first conveyor 11 comprises a sliding plane with which a continuous conveyor of porter-type or pusher-type 17 is associated and on which the single products P are collected from one or more feeding groups, these latter being not disclosed and represented since they are known to the person skilled in the art.
  • a counterbelt 18 is arranged in proximity of the output end of said first conveyor 11 and above it. Said counterbelt 18 is associated with the support structure 200 in a height-adjustable manner so as to be able to change the distance between it and the sliding plane defined by the first conveyor 11 depending on the height of said products P. The counterbelt 18 rotates in the opposite direction with respect to the first conveyor 11.
  • a fourth continuous and belt-type conveyor 20 is arranged above the first conveyor 11 - and, in particular, upstream of the counterbelt 18 - and parallel to the advancing direction D.
  • At least one delivery device 21 for delivering the bands F is arranged at the fourth conveyor 20 in order to feed on it the already preformed single bands F arranged in such a manner that their length extends parallel to the advancing direction D.
  • the delivery device 21 may belong either to the wrapping group 10 or to said machine 100 on which it is installed and, through the fourth conveyor 20, it delivers and feeds the bands F to the feeding device 12 inlet.
  • the delivery device 21 comprises one or more collectors 22 each of which contains a stack of already preformed bands F that are individually fed onto the fourth conveyor 20 through a disk mechanism 23 such as disclosed in patent EP526946 or another mechanism; the delivery device 21 is not further disclosed since it is known to the person skilled in the art and alternative embodiments of said device are not excluded.
  • the delivery device 21 is of the type that forms the single bands F through cutting parts of a continuous sheet unwinded from a bobbin 19. Downstream of the bobbin 19 a cutting mechanism 190 is arranged. It is noted that, in this embodiment, the single bands are directly fed between belts 24 and 25 and the fourth conveyor 20 is not present. This alternative embodiment allows to regulate the length of the bands F in function of the format of each single product P to be packaged.
  • the printing device 16 is arranged above the fourth conveyor 20 and, as indicated, it allows to print information and/or personalizations on the bands F.
  • the feeding device 12 comprises a pair of belt-type continuous conveyors 24 and 25 which are arranged one above the other at an adjustable distance that is substantially equal to the thickness of the bands F, and which are rotated in opposite directions.
  • Said pair of continuous conveyors belt 24 and 25 is arranged downstream of the fourth belt 20 and forms an upward ramp followed by a substantially U-shaped curve facing the first conveyor 11.
  • a branch of said U-shaped curve is substantially orthogonal to the advancing plane 201 of the products P and defines the feeding plane of the bands F.
  • the feeding group 12 ( figures 2A-2C ) comprises a pair of pulling rollers 27 and 28 arranged above said advancing plane 201 and from opposite parts with respect to the feeding plane of said bands F.
  • the two pulling rollers 27 and 28 have their respective axis parallel to the advancing plane 201 and orthogonal to the advancing direction D.
  • the two pulling rollers 27 and 28 are counter-rotating rollers and define a calender passage that draws each band F along the feeding direction A. Also this pair of pulling rollers 27 and 28 may be associated with the support structure 200 in a height-adjustable manner.
  • the wrapping group 10 comprises, furthermore, a creasing device 29 for creasing on each band F one ore more folding lines LP (each of these substantially in correspondence to an edge of the product P) that extend in a direction substantially parallel to the advancing plane 201 and substantially orthogonal to the advancing direction D.
  • the creasing device 29 comprises one pair of counter-rotating creasing rollers 30 and 31, which are arranged on opposite sides with respect to the plane along which the bands F are fed so as to form a calender passage and which extend with their axis parallel to the advancing plane of the products P and orthogonally to the advancing direction D.
  • the creasing roller 30 is provided with at least one longitudinal and radial projection 32 and the other creasing roller 31 is provided with at least one corresponding longitudinal and radial cavity 33 in which the projection 32 engages (see figure 2B ).
  • the creasing device 29 is associated with said support structure 200 in a height-adjustable manner with respect to the advancing plane of the products P so as to change the position of the folding line(s) LP along the development in length of each band F.
  • the creasing device 29 is arranged above the pair of pulling rollers 27 and 28.
  • a pocket 203 which is substantially aligned to and, for at least a part, coplanar to the feeding plane of the bands F and which serves as a containment and guide body for each band F.
  • the second conveyor 13 is arranged downstream of the feeding device 12 and it is intended to receive each band F folded in two in a U-shaped form and containing a respective product P.
  • the second conveyor 13 is also formed by a pair of belt-type continuous conveyors 34 and 35, which are arranged one above the other at an adjustable distance that is substantially equal to the thickness of each product P and which are rotated in opposite directions.
  • the folding and closing device 14 is arranged downstream of the second conveyor 13.
  • the folding and closing device 14 comprises a third conveyor 36 that is aligned to and has the same direction of the second conveyor 13 for receiving the products P inserted in the respective U-shaped folded band F.
  • the third conveyor 36 is of the belt-type and has at least one portion distanced from said second conveyor 13 so as to define a passage 37 between them ( figure 4 ).
  • the third conveyor 36 has an inlet end of the single products P, each of which is inserted into a respective U-shaped folded band F, and an outlet end of the single products P, each of which is wrapped in the respective band F completely wrapped and closed on it.
  • the inlet end of the third conveyor 36 is arranged in correspondence of the passage 37.
  • a holding counterbelt 38 that follows the single products P wrapped in the respective band F towards a following station. Also the counterbelt 38 is associated with said support structure 200 in an height-adjustable manner depending on the thickness of products P wrapped in the respective band F.
  • the folding and closing device 14 comprises, then, at least one contact element 39 able to contact the flap L of the U-shaped band F and in which a respective product P is inserted, when the latter rests on said third conveyor 36 with the flap L partially or totally protruding from the inlet end of the third conveyor 36 in correspondence with the passage 37.
  • the contact element 39 is associated with said support structure 200 in an alternatively movable manner through the passage 37 between a first position, in which it is arranged at a lower height than that of the advancing plane defined by the third conveyor 36 (and coinciding with the advancing plane 201), and a second position, in which it is arranged above the product P and rests on the respective band F and, more precisely, on the upper band portion already covering at least partially the upper face of the product P (see figure 3 in which both the first position and the second position of the contact element 39 are shown).
  • the contact element 39 during the movement from its first position to its second position, contacts the flap L in order to fold and lay it on the upper band portion already covering at least partially the upper face of the product P resting on the third conveyor 36, so as to close the band F in a loop around it (see figures from 5A to 5E).
  • the adhesive or glue previously applied on the flap L or on the upper band portion holds the first on the second when the band F is wrapped and closed in a loop around the respective product P.
  • the contact element 39 moves from its first position to its second position
  • the product P inserted into the U-shaped band F folded on it and resting on said third conveyor 36
  • the second conveyor 36 hence, is temporarily stopped during the folding and the closing of the flap L.
  • the first conveyor 11, the feeding device 12 and the second conveyor 13, however, are active; as the person skilled in the art will immediately understand, in fact, it is sufficient to regulate and coordinate the speeds of each of them.
  • the group 10, the machine 100 and the wrapping method according to the present invention work in a substantially continuous mode, i.e. continuously except for the stopping of each product during the folding and closing phase of the flap L of the respective band F.
  • the contact element 39 is associated with said support structure 200 in a movable manner between its first position and its second position through a combined rotation and translation movement.
  • the rotation movement takes place with respect to a rotation axis R that is substantially parallel to the advancing plane defined by the third conveyor 36 (this plane coincides with the advancing plane 201) and that is substantially orthogonal to said advancing direction D.
  • the translation movement has at least one component parallel to said advancing direction D.
  • the rotation axis R or better the shaft that defines it, is associated with said support structure 200 in a height-adjustable manner with respect to the advancing plane defined by the third conveyor 36 (plane which coincides with the advancing plane 201) in particular as a function of the height (thickness) of the products P.
  • the contact element 39 is constituted by a cylindrical bar; however, it may be constituted by one or more rollers or wheels with an axis parallel to the advancing plane 201 and orthogonal to said advancing direction D.
  • the contact element 39 is mounted at the end of an arm 40 that is associated with said support structure 200 in a rotating manner about the rotation axis R.
  • the rotation axis R is defined by a shaft 41 that is supported in a rotating manner by a slide 42, that is movable along rectilinear guides 43 that are orthogonal to the advancing plane 201, so that the height of the contact element 39 may be adjusted.
  • the arm 40 is formed by a pair of compass levers, respectively a first lever 44 and a second lever 45, that are articulated to each other about an articulation axis R' parallel to the rotation axis R.
  • the first lever 44 is associated with said support structure 200 in a rotating manner about the rotation axis R.
  • the second lever 45 has an end articulated to the first lever 44 about the participationation axis R' and the opposite free end supporting the contact element 39.
  • the arm 40 and the two levers 44 and 45 forming it are each constituted by a pair of side walls parallel to each other and rigidly connected by crossbeams.
  • Traction elastic means 46 are interposed between the first lever 44 and the second lever 45.
  • the arm 40 and, in particular, its first lever 44 is substantially L-, C-, U-shaped or the like.
  • the arm 40 or the slide 42 supporting the respective shaft 41, is mounted on a carriage that is associated with said support structure 200 in a movable manner with alternate rectilinear movement parallel to said advancing direction D.
  • the wrapping group 10 is applicable to an automatic packaging machine 100 working substantially continuously as for example represented in figures 1 , 7 and 8 .
  • the machine 100 comprises the wrapping group 10 upstream of which at least one feeding group is arranged for collecting the products P and feeding them onto the first conveyor 11.
  • the group 10 or the machine 100 itself is provided with a command and control unit 101 to which at least the feeding device 12, the first conveyor 11, the second conveyor 13 and the folding and closing device 14, their motorizations and regulations are slaved.
  • the wrapping group 10 or the machine 100 on which it is implemented furthermore, comprises a plurality of motorization or actuating devices of the single movable and/or adjustable devices of components (among these are mentioned, for example, the first conveyor 11, the second conveyor 13, the third conveyor 36, the fourth conveyor 20, the counterbelts 18 and 38, the pair of belts 24 and 25, the delivery devices 21, the devices for adjusting the height of the counterbelts 18, 35 and 38, the creasing device 29 and the folding and closing device 14) independent from each other and slaved to a command and control unit 101 according to the signals emitted by a plurality of detectors 47a ⁇ 47e detecting the presence and the sizes of each product P, so as to be able to modify in real time the operating conditions depending on the format of the single products P.
  • a plurality of motorization or actuating devices of the single movable and/or adjustable devices of components (among these are mentioned, for example, the first conveyor 11, the second conveyor 13, the third conveyor 36, the fourth conveyor 20, the counterbelts 18 and
  • bands F format in particular in the event that they are formed by cutting from a bobbin or fed already preformed in different formats by respective delivery devices, and/or the formation of one or more folding lines on each band F and/or the height of the folding and closing device 14 depending on the format of each single product P.
  • the motorization or actuation devices are not shown in detail since they are known to the person skilled in the art.
  • the command and control unit 101 is suitable to exclude the folding and closing device 14 so as to be able to use the feeding device 12 for no longer feeding bands F to be wrapped in a loop around the products P, but containment products of the type of laid covers C ("jacket") (see figures 9D, 9E and 9F ) to be U-shaped folded on respective products.
  • These covers C may consist of a single sheet or of a plurality of sheets stacked on each other and forming, for example, a depliant, a brochure or a magazine to be joined to each product P as an integral part of it.
  • the delivery device 21 is alternatively and selectively fed with the bands F or with the covers C as a function of the machine 100 operating mode.
  • the machine 100 comprises at least two delivery devices of respective containment products ("jacket” or “banderole”) of the products P: a first delivery device 21a for delivering bands (“banderole”) F and a second delivery device 21b for delivering covers C ("jacket").
  • the first delivery device 21a and the second delivery device 21b may be provided for delivering already preformed bands F of two different kind and/or two different formats or for delivering covers C of two different kind and/or of two different formats.
  • even the single covers, in particular if consisting of a single sheet may be formed in line by cutting parts from a continuous sheet, in a similar way as represented in figure 8 .
  • the single products P are advanced along the advancing plane 201 one after another and spaced apart from each other by means of the first conveyor 11 along the advancing direction D.
  • the already preformed bands F are delivered on the fourth continuous conveyor 20, which advances them one after another and spaced apart from each other along a direction parallel to the advancing direction D for feeding them at the inlet of the feeding device 12.
  • the bands F are delivered onto the fourth conveyor 20 laid in length, namely arranged in such a manner that their length (i.e. their greater dimension) extends parallel to the advancing direction D.
  • bands F are directly cut from a continuous sheet and fed at the inlet of the feeding device 12.
  • the feeding device 12 and, in particular, the two conveyors 24 and 25 singularly feed each band F (fed to their inlet by the fourth conveyor 20) along a substantially vertical feeding plane and along a feeding direction A substantially orthogonal to the advancing plane 201 ( figure 2A ).
  • each band F crosses the possible creasing device 29 that impresses on it, at one or more heights, one or more corresponding folding lines LP ( figure 2B ).
  • each band F intercepts a respective product P exiting from the first conveyor 11 and in advancement along the advancing direction D.
  • the product P that intercepted a respective band F advances on the second conveyor 13 pulling with itself the band F that, in such movement, is folded in two in order to form a semi-bundle or a U-shaped containment pocket of the product P ( figure 2C ).
  • the band F thus folded has the front end U-shaped closed and the rear end opened.
  • the lower band portion namely the band F portion resting on the second conveyor 13 and on which the product P rests, has an exceeding flap L that protrudes beyond the product P itself.
  • Each product P contained in the respective band F U-shaped folded on it is advanced onto said third conveyor 36; during this advancing movement the application device 15 applies one or more adhesive or glue spots on the flap L or on the upper portion of the band F.
  • the contact element 39 is activated between its first position and its second position.
  • the contact element 39 makes contact with the flap L raising and folding it on the product P and laying it on the respective upper band portion so as to close the band F in a loop around the product P, and it makes said flap adhering to the glue spots previously applied on the band.
  • Figures from 6A to 6E show in a schematic manner different positions of the contact element 39 for the closing of one and the same band F, namely a band F having the same length, on products P having different formats and in the case that the folding line LP changes in position.
  • the contact element 39 is then taken back to its first position while the product P, wrapped in the respective band F closed on it in a loop, is moved toward a next processing station.
  • the machine 100 may be also used for inserting each product P in a cover C ("jacket").
  • the folding and closing device 14 and the application device 15 are interdicted, while the delivery device 21 or the delivery device 21b is used for delivering onto the fourth conveyor 20 a plurality of covers laid one after the other and spaced apart from each other.
  • the single covers may be produced in line by cutting correspondent parts from a continuous sheet.
  • each product P in the respective cover C takes place analogously to the insertion of each product P in the respective band F.
  • the covers themselves may be of different types and formed by a single sheet or by a packet of sheets, such as a magazine, a depliant or the like.
  • the detectors 47a ⁇ 47e allow to detect in real time the presence and the sizes of each product P locally present at each operating area of the wrapping group 10 or of the machine 100 on which it is installed. According to the signals received from the single detectors 47a ⁇ 47e, the command and control unit 101 commands the single motorization and actuating mechanisms of the different components so as to adapt their position and speed to the ones of the current product P format.
  • the method according to the present invention also comprises a step e) consisting in defining, in each band at least one folding line that extends in a direction parallel to the advancing plane of the products P and orthogonal to their advancing direction.
  • the step e) of defining the folding line(s) takes place during the feeding step b) of the bands.
  • the method according to the present invention also comprises a step f) consisting in the application of adhesive or glue on the flap or on the upper band portion of each band folded to form a U-shaped semi-bundle wherein a respective product is inserted.
  • the application step f) takes place before the folding step d) .
  • the method according to the present invention comprises a step g) consisting in printing information on each band.
  • the resting plane 201 is not necessarily continuous; it is, in particular, interrupted, at least in its central part, at the feeding plane of the bands F and at the passage 37 in correspondence of which the folding device 14 acts.
  • one or more conveyors disclosed above may be of perforated mat type and connected to an aspiration group in order to better hold the bands or the products transported by it and it is not illustrated or disclosed in detail since it is well known to the person skilled in the art.
  • the wrapping group 10 and/or the packaging machine 100 on which it is applied comprise motorization devices and mechanisms, control and regulation devices that are slaved to a command and control unit 101 and that are not disclosed in detail, being them of the type immediately understandable by the person skilled in the art.
  • the wrapping group object of the present invention has the advantage of allowing to wrap in a substantially continuous, easily and at high-speed manner a plurality of products, in particular editorial products, in a respective band closed in a loop on them.
  • the wrapping group according to the present invention allows to quickly and flexibly manage any format changes of the products to be wrapped in a respective band.
  • the wrapping group according to the present invention allows, all the bands being equal, the packaging of products having different formats by simply adjusting the position of the folding and closing device and the position of the possible creasing device, as well as, obviously, adjusting the distances between the various counterbelts that follow the single product along the advancing line.
  • each containment band allow to adjust their sizes according to the format of each single product being processed.
  • wrapping group according to the present invention may be installed in packaging machine of known type by using, for example, the continuous conveyors they already have.
  • the packaging machine allows the packaging of editorial products in bands or in covers, simply and quickly managing any changes in production. It is in fact sufficient to exclude the folding and closing device and use the same feeding device for feeding laid covers into which insert products instead of bands to be wrapped around products.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (15)

  1. Groupe d'emballage (10) pour emballer des produits (P), en particulier des produits d'édition, dans des bandes de confinement (F), dans lequel ledit groupe d'emballage comprend une structure de support (200) qui définit un plan d'avance (201) et à laquelle sont associés les éléments suivants :
    - un premier convoyeur (11) pour transporter une pluralité de produits (P) l'un après l'autre et espacés l'un de l'autre, le long dudit plan d'avance (201) et suivant une direction d'avance (D), dans lequel chacun desdits produits d'édition (P) comprend un livre et/ou un paquet de feuilles ou de produits de feuilles empilés l'un sur l'autre,
    - un dispositif d'alimentation (12) pour alimenter une pluralité de bandes de confinement (F) disposées en longueur l'une après l'autre et espacées l'une de l'autre le long d'un plan sensiblement transversal ou orthogonal à ladite direction d'avance (D) et suivant une direction d'alimentation (A) sensiblement transversale ou orthogonale audit plan d'avance (201) desdits produits (P), dans lequel chacune desdites bandes de confinement (F) a, parallèlement à ladite direction d'alimentation (A), une longueur qui est supérieure à la dimension que le produit respectif (P) a parallèlement à ladite direction d'avance (D), et dans lequel chacune desdites bandes de confinement (F) est interceptée par un produit respectif (P) avançant suivant ladite direction d'avance (D) et plié en deux par celle-ci sur un deuxième convoyeur (13), qui est aligné avec et a la même direction que ledit premier convoyeur (11), pour former une poche en forme de U dans laquelle ledit produit respectif (P) est inséré et qui a une portion de bande inférieure, reposant sur ledit deuxième convoyeur (13) et sur lequel ledit produit respectif (P) repose, et une portion de bande supérieure, reposant sur ledit produit respectif (P), ladite portion de bande inférieure ayant un rabat (L) qui s'étend au-delà dudit produit respectif (P) et derrière lui par rapport au sens d'avance (B) dudit produit (P), ainsi inséré dans ladite poche en forme de U, suivant ladite direction d'avance (D) caractérisé en ce que ledit groupe d'emballage comprend
    - un dispositif de pliage et de fermeture (14) pour plier ledit rabat (L) sur ladite portion de bande supérieure reposant sur la face supérieure dudit produit respectif (P), ledit dispositif de pliage et de fermeture (14) étant associé à ladite structure de support (200) et comprenant :
    - un troisième convoyeur (36) qui est aligné avec et a la même direction que ledit deuxième convoyeur (13) de manière à recevoir lesdits produits (P) insérés dans la bande de confinement respective (F) et qui a au moins une portion éloignée dudit deuxième convoyeur (13), dans lequel un passage (37) est défini entre ledit deuxième convoyeur (13) et ledit troisième convoyeur (36) et
    - au moins un élément de contact (39) pour venir en contact avec le rabat (L) de la bande de confinement (F), dans laquelle un dit produit respectif (P) est inséré et qui repose sur ledit troisième convoyeur (36), ledit élément de contact (39) étant associé à ladite structure de support (200) d'une manière mobile alternativement à travers ledit passage (37) entre une première position, dans laquelle il est disposé à une hauteur inférieure à celle du plan de transport défini par ledit troisième convoyeur (36), et une deuxième position, dans laquelle il est disposé sur ledit produit (P) et reposant sur la portion de bande supérieure de la bande de confinement respective (F) qui couvre déjà au moins partiellement la face supérieure dudit produit (P),
    dans lequel ledit au moins un élément de contact (39), dans son mouvement entre ladite première position et ladite deuxième position, vient en contact avec ledit rabat (L) de manière à le plier et le tirer sur ladite portion de bande supérieure qui couvre au moins partiellement la face supérieure dudit produit (P), en fermant ladite bande en boucle autour dudit produit respectif (P).
  2. Groupe d'emballage (10) selon la revendication 1, caractérisé en ce qu'il comprend un dispositif d'application (15) pour appliquer un adhésif sur ledit rabat ou sur ladite portion de bande supérieure ou inférieure, dans lequel ledit dispositif d'application (15) est agencé en amont ou au niveau dudit dispositif de pliage et de fermeture (14) par rapport audit sens d'avance (B), et/ou un dispositif de plissage (19) pour plisser, sur chacune desdites bandes de confinement (F), au moins une ligne de pliage (LP) qui s'étend dans une direction sensiblement parallèle audit plan d'avance (201) et sensiblement orthogonale à ladite direction d'avance (D).
  3. Groupe d'emballage (10) selon la revendication 1 ou 2, caractérisé en ce que ledit au moins un élément de contact (39) est associé à ladite structure de support (200) d'une manière mobile entre ladite première position et ladite deuxième position avec un mouvement combiné de rotation et de translation, dans lequel ledit mouvement de rotation a lieu par rapport à un axe de rotation (R) sensiblement parallèle au plan d'avance défini par ledit troisième convoyeur (36) et sensiblement orthogonal à ladite direction d'avance (D) et dans lequel ledit mouvement de translation a au moins une composante parallèle à ladite direction d'avance (D) .
  4. Groupe d'emballage (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un élément de contact (39) est réglable en hauteur par rapport au plan d'avance défini par ledit troisième convoyeur (36) en fonction de la hauteur desdits produits (P).
  5. Groupe d'emballage (10) selon la revendication 3 ou 4, caractérisé en ce que ledit au moins un élément de contact (39) est monté à l'extrémité d'un bras (40) qui est associé à ladite structure de support (200) d'une manière rotative autour dudit axe de rotation (R).
  6. Groupe d'emballage (10) selon la revendication 5, caractérisé en ce que ledit bras (40) comprend une paire de leviers à compas qui sont articulés l'un à l'autre autour d'un axe d'articulation (R') parallèle audit axe de rotation (R), dont un premier levier (44) est associé à ladite structure de support (200) d'une manière rotative autour dudit axe de rotation (R), et un deuxième levier (45), dont l'extrémité libre supporte ledit au moins un élément de contact (39), dans lequel des moyens élastiques de traction (46) sont interposés entre ledit premier levier (44) et ledit deuxième levier (45).
  7. Groupe d'emballage (10) selon la revendication 5 ou 6, caractérisé en ce que ledit bras (40) est monté sur un chariot qui est associé à ladite structure de support (200) d'une manière mobile avec mouvement rectiligne alternatif parallèlement à ladite direction d'avance (D) .
  8. Groupe d'emballage (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un élément de contact (39) est cylindrique et comprend une barre cylindrique ou au moins un rouleau ou une roue ou similaire.
  9. Groupe d'emballage (10) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend une unité de commande et de régulation (101) à laquelle au moins ledit dispositif d'alimentation (12), ledit premier convoyeur (11), ledit deuxième convoyeur (13) et ledit groupe de pliage et de fermeture (14) sont asservis, dans lequel ladite unité de commande et de régulation (101) est adaptée pour commander chacun d'eux de manière sélective en fonction des dimensions du produit (P) qui est traité par chacun d'eux.
  10. Groupe d'emballage (10) selon la revendication 9, caractérisé en ce qu'au moins chacun entre ledit dispositif d'alimentation (12), ledit premier convoyeur (11), ledit deuxième convoyeur (13) et ledit groupe de pliage et de fermeture (14) comprend ses propres dispositifs indépendants de motorisation et de réglage, et en ce que ledit groupe d'emballage (10) comprend une pluralité de détecteurs (47a-47e) pour détecter une présence et des dimensions des produits (P) qui sont traités, dans lequel ladite unité de commande et de régulation (101) est adaptée pour commander de manière sélective et indépendante chacun desdits dispositifs de motorisation et de réglage en fonction des signaux détectés par lesdits détecteurs (47a-47e).
  11. Machine d'emballage automatique (100) pour l'emballage automatique de produits (P), en particulier des produits d'édition, chacun dans un produit de confinement respectif du type d'une bande de confinement (F) ou une couverture (C), dans laquelle chacun desdits produits d'édition (P) consiste en un livre et/ou un paquet de feuilles et/ou des produits de feuilles empilés l'un sur l'autre, caractérisé en ce qu'elle comprend un groupe d'emballage (10) selon une des revendications 1 à 10, en amont duquel est agencé au moins un groupe d'alimentation pour alimenter lesdits produits (P) sur ledit premier convoyeur (11).
  12. Machine d'emballage (100) selon la revendication 11, caractérisée en ce que ladite unité de commande et de régulation (101) est adaptée pour arrêter ledit dispositif de pliage et de fermeture (14) et dans lequel ledit dispositif d'alimentation (12) est alimenté en entrée avec une pluralité de produits de confinement du type de couvertures posées (C), chacune desdites couvertures (C) consistant en une unique feuille ou une pluralité de feuilles empilées l'une sur l'autre.
  13. Machine d'emballage (100) selon la revendication 12, caractérisée en ce qu'elle comprend au moins un premier dispositif de distribution (21a) pour distribuer lesdits produits de confinement sous la forme d'une bande (F) ou couverture (C) et au moins un deuxième dispositif de distribution (21b) pour distribuer lesdits produits de confinement sous la forme d'une bande (F) ou couverture (C) ayant un format ou type différent, dans lequel ledit premier dispositif de distribution (21a) et ledit deuxième dispositif de distribution (21b) peuvent être actionnés de manière sélective afin de distribuer respectivement lesdites bandes et lesdites couvertures audit dispositif d'alimentation (12).
  14. Procédé d'emballage de produits, en particulier des produits d'édition, dans des bandes de confinement, comprenant les étapes consistant à :
    a) faire avancer une pluralité de produits d'édition (P) au moyen d'un premier convoyeur (11) associé à une structure de support (200), lesdits produits étant avancés l'un après l'autre et espacés l'un de l'autre, le long d'un plan d'avance (201) et suivant une direction d'avance (D), dans lequel chacun desdits produits d'édition (P) comprend un livre et/ou un paquet de feuilles ou de produits de feuilles empilés l'un sur l'autre,
    b) alimenter une pluralité de bandes de confinement (F) disposées en longueur l'une après l'autre et espacées l'une de l'autre le long d'un plan qui est sensiblement transversal ou orthogonal à ladite direction d'avance (D) et suivant une direction d'alimentation (A) qui est sensiblement transversale ou orthogonale audit plan d'avance (201), dans lequel chacune desdites bandes de confinement (F) a, parallèlement à ladite direction d'alimentation (A), une longueur qui est supérieure à la dimension que le produit respectif (P) a parallèlement à ladite direction d'avance (D),
    c) faire intercepter chacune desdites bandes de confinement (F) avançant suivant ladite direction d'alimentation (A) par un produit respectif (P) avançant suivant ladite direction d'avance (D) de manière que ledit produit respectif (P) plie en deux ladite bande de confinement respective (F) sur un deuxième convoyeur (13), lequel deuxième convoyeur (13) est associé à ladite structure de support (200) et est aligné avec et a la même direction que ledit premier convoyeur (11) pour former une poche en forme de U dans laquelle il est inséré, dans lequel ladite poche en forme de U a une portion de bande inférieure, qui s'étend au-dessous dudit produit respectif (P), et une portion de bande supérieure, qui s'étend au-dessus dudit produit respectif (P), dans lequel ladite portion de bande inférieure a un rabat (L) qui s'étend au-delà dudit produit respectif (P) et derrière lui par rapport au sens d'avance (B) dudit produit (P), ainsi inséré dans ladite poche en forme de U, suivant ladite direction d'avance (D), et
    d) le pliage et la pose dudit rabat (L) sur ladite portion de bande supérieure qui couvre au moins partiellement la face supérieure dudit produit (P), dans lequel
    ladite étape de pliage d) est exécutée au moyen d'un dispositif de pliage et de fermeture (14) pour plier ledit rabat (L) sur ladite portion de bande supérieure reposant sur la face supérieure dudit produit respectif (P), ledit dispositif de pliage et de fermeture (14) comprenant :
    - un troisième convoyeur (36) qui est aligné avec et a la même direction que ledit deuxième convoyeur (13) de manière à recevoir lesdits produits (P) inséré dans la bande de confinement respective (F) et qui a au moins une portion éloignée dudit deuxième convoyeur (13), dans lequel un passage (37) est défini entre ledit deuxième convoyeur (13) et ledit troisième convoyeur (36) et
    - au moins un élément de contact (39) pour venir en contact avec le rabat (L) de la bande de confinement (F), dans laquelle un dit produit respectif (P) est inséré et qui repose sur ledit troisième convoyeur (36), ledit élément de contact (39) étant associé à ladite structure de support (200) d'une manière mobile alternativement à travers ledit passage (37) entre une première position, dans laquelle il est disposé à une hauteur inférieure à celle du plan de transport défini par ledit troisième convoyeur (36), et une deuxième position, dans laquelle il est disposé sur ledit produit (P) et reposant sur la portion de bande supérieure de la bande de confinement respective (F) qui couvre déjà au moins partiellement la face supérieure dudit produit (P),
    dans lequel ledit au moins un élément de contact (39), dans son mouvement entre ladite première position et ladite deuxième position, vient en contact avec ledit rabat (L) de manière à le plier et le tirer sur ladite portion de bande supérieure qui couvre au moins partiellement la face supérieure dudit produit (P), en fermant ladite bande en boucle autour dudit produit respectif (P).
  15. Procédé selon la revendication 14, caractérisé en ce qu'il comprend au moins une des étapes suivantes :
    - une étape e) consistant à définir, dans chacune desdites bandes de confinement (F), au moins une ligne de pliage (LP) qui s'étend dans une direction parallèle audit plan d'avance (201) et orthogonale à ladite direction d'avance (D), ladite étape e) de définition de ladite au moins une ligne de pliage (LP) ayant lieu durant ladite étape b) d'alimentation desdites bandes de confinement (F), et une étape f) consistant à appliquer un adhésif sur ledit rabat (L) ou sur ladite portion de bande inférieure ou sur ladite portion de bande supérieure, dans lequel ladite étape d'application f) a lieu avant ladite étape de pliage d).
EP16716682.6A 2015-02-25 2016-02-23 Groupe d'emballage et procédé d'emballage pour emballer des produits, en particulier des produits d'édition, dans des bandes de confinement Active EP3261936B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20150285 2015-02-25
PCT/IB2016/050973 WO2016135628A1 (fr) 2015-02-25 2016-02-23 Groupe d'emballage et procédé d'emballage pour emballer des produits, en particulier des produits d'édition, dans des bandes de confinement

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EP3261936A1 EP3261936A1 (fr) 2018-01-03
EP3261936B1 true EP3261936B1 (fr) 2018-12-12

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US (1) US20180002049A1 (fr)
EP (1) EP3261936B1 (fr)
JP (1) JP6778688B2 (fr)
AU (1) AU2016224922A1 (fr)
CA (1) CA2971994A1 (fr)
HK (1) HK1248661B (fr)
WO (1) WO2016135628A1 (fr)

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DK180712B1 (en) * 2020-02-03 2022-01-07 Fk Distrib A/S Banderole packaging apparatus configured to wrap a stack of printed matter and method for packaging a stack of printed matter

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Publication number Publication date
CA2971994A1 (fr) 2016-09-01
JP2018506480A (ja) 2018-03-08
EP3261936A1 (fr) 2018-01-03
US20180002049A1 (en) 2018-01-04
HK1248661B (zh) 2019-11-15
JP6778688B2 (ja) 2020-11-04
AU2016224922A1 (en) 2017-08-31
WO2016135628A1 (fr) 2016-09-01

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