EP3366595B1 - Procédé et dispositif de fabrication de paquets (de cigarettes) - Google Patents

Procédé et dispositif de fabrication de paquets (de cigarettes) Download PDF

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Publication number
EP3366595B1
EP3366595B1 EP18000118.2A EP18000118A EP3366595B1 EP 3366595 B1 EP3366595 B1 EP 3366595B1 EP 18000118 A EP18000118 A EP 18000118A EP 3366595 B1 EP3366595 B1 EP 3366595B1
Authority
EP
European Patent Office
Prior art keywords
folding
flaps
pack
glue
flap
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
EP18000118.2A
Other languages
German (de)
English (en)
Other versions
EP3366595A1 (fr
Inventor
Michael Bienia
Burkard Roesler
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP3366595A1 publication Critical patent/EP3366595A1/fr
Application granted granted Critical
Publication of EP3366595B1 publication Critical patent/EP3366595B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • 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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/12—Inserting the cigarettes, or wrapped groups thereof, into preformed containers
    • B65B19/20—Inserting the cigarettes, or wrapped groups thereof, into preformed containers into boxes with hinged lids
    • 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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • 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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/223—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers in a curved path; in a combination of straight and curved paths, e.g. on rotary tables or other endless conveyors
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • 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
    • B65B49/02—Fixed or resiliently-mounted folders, e.g. non-driven rollers
    • B65B49/04—Ploughs or plates with inclined slots or opposed inclined edges
    • 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
    • B65B49/08—Reciprocating or oscillating folders
    • 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
    • B65B49/14—Folders forming part of, or attached to, conveyors for partially-wrapped 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
    • 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
    • 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
    • B65B51/023—Applying adhesives or sealing liquids using applicator nozzles
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/002—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for drying glued or sealed packages

Definitions

  • the invention relates to a method for producing packs, in particular cigarette packs, having the features of the preamble of claim 1.
  • the invention also relates to a device for carrying out the method.
  • the gluing of folding flaps which are connected to one another by adhesive bonding is technically particularly sensitive.
  • the folding flaps can be connected by means of cold glue and/or hot glue (hotmelt).
  • hotmelt hot glue
  • the longer curing time of the glue connection must be taken into account.
  • relative displacements of the folded flaps connected to one another are possible.
  • the relevant property of hot melt is the comparatively short setting time.
  • the heat sensitivity of this type of glue must be taken into account in the finished packs, for example when heat is generated due to solar radiation.
  • the pamphlet DE 10 52 300 shows a packaging machine in which partially folded packs with laterally protruding outer flaps (from side walls) extending 90° to form inner flaps folded in a pack-ready manner are conveyed into a turret. By moving the turret upwards, the protruding outer flaps are folded onto the inner flaps - previously glued - and connected to them by means of stationary side plates.
  • the pamphlet DE 10 2011 101 672 shows packs with protruding outer flaps being conveyed along a conveyor track, glued, and the outer flaps folded onto the inner flaps by means of folding profiles in a last section of the (straight) conveyor track. The folded pack is then transferred to a transfer turret for further processing.
  • the invention deals with the production of packs in which folding tabs are connected to one another by cold glue and/or by hot glue.
  • the object on which the invention is based is to take into account the different properties of the types of glue used in the manufacture of packs, in particular with regard to ensuring exact shapes of the packs.
  • the advantage of this method is the attachment of the glue fields, in particular glue dots, to both folding flaps to be connected to one another, i.e. in particular to the outside of an inner side flap on the one hand and to the inside of the outer side flap on the other hand, preferably in parallel, spaced rows of glue dots. It makes sense to attach the cold glue points (exclusively) to the outer side flap, preferably to the downward-facing inside of these folding flaps in their horizontal initial position. In this case, the points of hot glue are applied (exclusively) to the outside of the inner side flap, which is preferably folded into an upright, packaged position.
  • the outer side tabs are then, ie after application of the glue, formed into an intermediate or pre-folded position, in particular at an (acute) angle to the horizontal starting position, ie at a (small) distance from the associated inner side tab.
  • Hot glue is applied in the final phase of moving and completing the pack, in such a way that the folding flaps are brought into the final position in accordance with the pack before the hot glue sets.
  • the packs are introduced into pockets of a molding unit--while maintaining the spaced relative position of the folding tabs, but for the rest of the pack to be exactly aligned. Movable folding elements then become effective in the area of the pockets, which fold the outer folding flaps into the end position and press them against the inner folding flaps.
  • a special feature relates to the formation of the transport section for the packs during gluing and (partial) folding, i.e. the formation of a pack track.
  • special lateral guide elements or profiled guide rails are effective, which secure the respective position of the inner and outer folding flaps and also ensure that at least the outer folding flaps can be folded without transferring pressure on the contents of the pack, especially on the cigarettes, to form a correct folding edge.
  • the present exemplary embodiment deals with the production of packs 10 in which at least two folding flaps are connected to one another by glue, specifically using temporarily setting glue, in particular hotmelt, on the one hand and cold glue on the other.
  • the device ensures that the pack or the folded flaps that are connected to one another are positioned precisely and appropriately for the pack during the short setting time of the hotmelt.
  • the application of this technology is particularly advantageous in the production of packs 10 of the hinged box type, in particular for cigarette groups 57.
  • the typical structure of these packs 10 is characterized by box part 11 and cover 12.
  • the focus is on folding flaps that are connected to one another by glue, namely in particular box side flaps and lid side flaps, which form box side walls and lid side walls in the correct position for the pack.
  • These folding tabs are referred to below as outer tabs 13 and inner tabs 14 .
  • the folding tabs 13, 14 are part of a typical HL blank 15 for the manufacture of this type of pack.
  • the outer flaps 13 are connected to a box front wall 58 or a lid front wall, while the inner flaps 14 are connected to a box rear wall 59 or to a lid rear wall.
  • the present exemplary embodiments deal with two different forms of packs 10, namely on the one hand with exactly cuboid packs in which rectangular pack edges 60 are formed between the front wall 58 and rear wall 59 on the one hand and outer flaps 13 or inner flaps 14 on the other hand, which extend in the longitudinal direction of the packs 10 extend (e.g. 4 , left part).
  • the type of packaging with rounded, partially circular packaging edges, namely rounded edges 61 (e.g. 4 , right part).
  • the pack edges 60 are formed as a single embossed line in the area of a blank, namely a correspondingly formed HL blank 15 made of thin cardboard or similar packaging material.
  • the round edges 61 are specified by a plurality of closely adjacent embossings or grooves in the blank.
  • the basic structure of the device comprises a folding unit or a folding turret 16 for producing and filling the packs 10 while processing HL blanks 15.
  • the folding turret 16 can be moved (cyclically) about a vertical axis of rotation.
  • a cigarette group 57 wrapped by an inner blank (tinfoil block) is introduced as the contents of the pack into the partially folded HL blank 15.
  • the filled pack 10 is folded until it is transferred to a pack track 17 so that the inner box side flaps and lid side flaps—inner flaps 14—are folded into the upright position in contact with the contents of the pack.
  • Box front wall 58 with outer box side flaps 71 and lid front wall 73 with outer lid side flaps 72 - outer flaps 13 - are aligned in a horizontal plane, here at the top of the longitudinally transported packs 10.
  • the pack track 17 adjoins the folding turret 16 in the radial direction for the transport of the incomplete packs 10.
  • the shaping of folding tabs, namely the outer tabs 13, is continued.
  • glue is applied to the folding tabs 13, 14 in the area of the packing web 17.
  • the - unfinished - packs 10 are transferred from the pack track 17 to a forming unit for completion, in this case a forming turret 18. This can be rotated in an upright plane transversely to the direction of transport of the pack track 17 (intermittently).
  • Pockets 19 are arranged along the circumference of the forming turret 18 with the function of forming a receptacle for each pack 10 .
  • the packs 10 which have been completed in this area and fixed with regard to the glue connections are transferred to a discharge conveyor 20 which feeds the packs 10 to further units.
  • the pack track 17 is preferably designed in such a way that the packs 10 rest with their underside—package rear wall 59—on a divided base, in particular on two track rails 21 . Between these rails 21 there is a conveyor, namely a transport belt 22 with drivers 23 for detecting a pack 10 on the back. The relative position of the packs 10 is chosen so that the lid 12 is at the front in the direction of movement.
  • the folding flaps to be connected to one another ie the outer flaps 13 on the one hand and the inner flaps 14 on the other hand, are provided with glue.
  • 17 gluing stations 26, 27 are set up on both sides of the pack path.
  • the first gluing station 26 in the transport direction is used to transfer glue to the outer flaps 13.
  • the glue is applied to the underside or inside of the outer flaps 13, ie the box side flaps 71 and the lid side flaps 72. If different types of glue are used, cold glue is applied to the outer flap 13 in this first gluing station 26 .
  • the second, preferably subsequent gluing station 27 serves to transfer glue to the free outside of the inner tab 14, preferably to transfer hot glue.
  • glue in particular glue dots 28, 31
  • glue dots 28, 31 is applied separately to the two folding flaps 13, 14 to be connected to one another, preferably adjacent to the package edge 60 or to the rounded edge 61 of the folding flap 13, 14 in question , i.e. at a distance from a free edge - flap edge 62.
  • cold glue spots 28 are applied to the outer flaps 13 .
  • the row of cold glue points 28 is positioned at a greater distance from the free edge of the outer flap 13, i.e. adjacent to the already folded inner flap 14 ( 4 ).
  • the spots of cold glue 28 are preferably transferred during the transport of the packs 10 by appropriately controlled glue nozzles 29 .
  • a glue nozzle 29 is arranged approximately in a common transverse plane on both sides of the movement path of the packs 10, namely in an inclined position and below the plane of the outer flaps 13.
  • the glue points 28 are applied 10 one after the other in the upward direction onto the outer flaps 13 transfer.
  • hot glue is preferably applied, in particular hot glue (hotmelt).
  • This glue is transferred to the other folding flap, namely to the inner flap 14.
  • glue nozzles 30 are also arranged, preferably hot glue nozzles. These are positioned in such a way that glue is transferred (intermittently) to the outside of the inner flap 14 with the formation of hot glue spots 31 .
  • These glue points 31 are also arranged in a continuous row and can be in the same vertical alignment with the cold glue points 28 or offset from them.
  • the hot glue points 31 are at a greater distance from the free edge of the inner flap 14 positioned, namely adjacent to the lower folded edge 60, 61 of the inner flap 14 ( figure 5 ). Due to the positioning of the gluing station 27, the spots of hot glue 31 are applied immediately before the pack 10 is completed, in particular immediately before it enters the forming turret 18.
  • the packs 10 are transported further while maintaining a (small) distance between the folding tabs 13, 14, namely in an acute-angled position of the outer tab 13 relative to the inner tab 14 ( 6 ).
  • the pack is introduced into the forming turret 18 or into a pocket 19 thereof.
  • the pack 10 is completed by folding the outer flap 13 and pressing it against the inner flap 14.
  • the packs 10 are conveyed out of the pockets 19, in particular in an upper position ( 11 ), opposite to a preferably lower insertion station in the continuation of the pack track 17.
  • at least the hot glue points have hardened, so that the pack 10 is fixed with respect to the folded flaps connected to one another by (hot) glue.
  • a special technological feature is that the packs 10 are transported from the folding turret 16 to the forming turret 18 on a preferably continuously straight path and can be inserted directly into a (downward) pocket 19 of the turret 18 without any transverse displacement, in particular without a lifting movement.
  • the packs 10 are aligned during transport along the pack track 17 with regard to (variable) positions of folding flaps by (fixed) guiding and adjusting elements.
  • the packs 10 are guided by guide webs 24 in the area of the transversely directed outer flaps 13 .
  • the preferably angular guide webs 24 are assigned to the edge edges or the flap edges 62 of the outer folding flaps 13 and form a support and an edge guide due to the angular configuration.
  • the packs 10 are supported and guided by the rails 21, which are also angular in cross section, adapting to the right-angled pack edges 60 on the one hand and adapting to the round edges 61 on the other.
  • the guide elements 21 and 24 are arranged relative to one another in such a way that the glue nozzles 29 can carry out the gluing of the underside of the folding tabs 13 by upwardly directed glue transfer ( 4 , 7 ).
  • a device for aligning the pack parts is preferably effective, ie box part 11 and lid 12.
  • This is a straightening device, namely a cap straightener 32, preferably corresponding in terms of construction and operation DE 10 2011 101 672 A1 .
  • This cap straightener 32 is preferably effective in a middle area between the folding turret 16 and the gluing station 26 .
  • the guidance of the outer flaps 13 up to the transfer of the packs 10 to the forming turret 18 is an innovative feature.
  • the sideways directed and glued outer flaps 13 are gripped by profile rails 33, preferably following the gluing station 26 for gluing the outer flaps 13.
  • the profile rails 33 grip the outer flap 13 in the area of the top and bottom. Due to the continuously changing shape of the profile rail 33 or guide surfaces for the folding tab 13, the latter is moved out of the horizontal starting position ( 4 ) With increasing approach to the inner flap 14 pivoted to the end position according to 6 .
  • the profile rail 33 consists of a guide leg 34 on the upper or outer side of the folding tab 13 and a support leg 35 on the inner side.
  • the support leg 35 has a dual function: a transverse or horizontal end piece extends adjacent to the inner tab 14 and serves to support the same adjacent to the free edge in the packaged position ( 8 ) following the profile 24.
  • the supporting leg 35 forms an inclined support surface 63 for (an edge area) of the folding flap 13.
  • the glue - cold glue points 28 - are located in a free area above the supporting leg 35.
  • a supporting edge 64 covers the transition from the outer flap 13 to the front wall 58, ie the area of the pack edge 60 or the round edge 61.
  • the contour is selected in such a way that the support edge 64 fits perfectly against the edge area of the pack 10.
  • a guide bar 65 is attached, which follows the course of the profile rail 33 and rests on the outside of the outer tab 13.
  • This (narrow) guide web 65 which is bounded on both sides by groove-like depressions, causes exact guidance by contacting the lateral folding tabs 13 and pressure according to arrow 75, in particular also a transition between the box side tabs 71 and the lid side tabs 72 with a gap 66 between these parts of the outer lobes 13 ( 9 ).
  • the guide web 65 prevents a misalignment of the folding tabs 71, 72 in accordance with the dashed line.
  • the guide areas formed on opposite sides of the outer tab 13 by the guide web 65 on the one hand and by the bearing surface 63 on the other hand are arranged at a distance 70 from one another, so that mutual influencing of these guide surfaces is avoided.
  • the profile rails 33 are matched to the packs 10 with regard to the arrangement and, above all, with regard to the dimensions such that pressure is exerted on the edge area of the packs 10, in particular on the outer tabs 13, in accordance with the arrows in FIG 7 or. 8 .
  • the tab edge 62 of the outer tab 13 rests against a support surface 67 as the end closure of the profiled rail 33, specifically directed transversely to the tab edge 62.
  • a force component according to arrow 68 is transmitted to the outer tab 13 by the support. This causes a Shifting of the outer flap 13 in the area of the pack edge 60 or the round edge 61 outwards or upwards, i.e. in particular against the supporting edge 64.
  • the lateral guide elements for the packs 10 or the folding flaps 13, 14 are designed in such a way that forces are specifically transmitted to the packs 10 or folding flaps 13, 14 and reaction forces are generated.
  • the areas of active power transmission are marked by black arrows, e.g. B. the arrows 68, 75.
  • the reaction forces generated thereby are shown as contoured arrows.
  • the guide designed in the above sense for the packs 10 or the folding flaps 13, 14 preferably extends from the gluing station 26 to the gluing station 27 or beyond.
  • the underside guide of the packs or their support consists of simple rails 21 without lateral guides, but at a distance from one another for the passage of the transport belt 22.
  • the preferably also inclined glue nozzles 30 of the gluing station 27 are effective in a gap between the profile rail 33 and the rails 21 for transferring the dots of hot glue 31 to an area of the inner flap 14 facing the lower package edges 60 or rounded edges 61.
  • An upright web 39 is provided on the inside with sloping guides, namely in continuation of the profile rails 33 with guide web 65 and opposite a contact surface 63 and also with a support surface 67, so that the described effect of the folding of the outer flap 13 in the area of the package edges 60 or rounded edges 61 continued or maintained becomes.
  • the position is chosen so that the glue points 28, 31 do not have any contact with the opposite folded flap.
  • a web-like top guide 40 is arranged on the top of the pack 10, namely between the profile rails 33 and between the side profiles 36.
  • the guide elements namely the profile rails 33, form the side profiles 36 that act subsequently and the top guide 40 a coherent shaped body 43, which includes or covers the end section of the packing web 17—adjacent to the shaping turret 18.
  • the glue nozzles 30 of the gluing station 27 are also located in the area of this shaped body 43 .
  • at least the upper guide 40 is extended into the area of the (first) gluing station 26 .
  • the web-like, central top guide 40 interacts with the lateral profile rails 33 and shaped bodies 43 in order to ensure exact positioning and fixing of the packs 10 during the folding process.
  • the sections or areas of the pack track 17 that differ in terms of the guidance of folding flaps in particular preferably form continuous guide rails that change in terms of shape, size and contour along the conveying path of the pack track 17, in particular starting from the structure according to FIG 4 , via training in accordance with figure 5 finally to an end section or a shaped body 43 as the final shaped piece of the packing web 17.
  • the transport of the packs 10 by the transport belt 22 preferably ends (roughly) in the area of the (second) gluing station 27.
  • the packs 10 are transferred to the turret 18 following the gluing station 27 by a slide 41. This can be moved back and forth and grasps the packs 10 following the gluing by the glue nozzles 30 with the aid of a (fork-shaped) driver head 42 in each case on the back.
  • the packs 10 are preferably pushed into the end position in the respective pocket 19 of the forming turret 18 by the slide 41 ( 12 ), i.e. in the immediate continuation of pack line 17.
  • the exact position of the pack 10 in the pocket 19 is preferably ensured by a support stop 56 which cooperates with the slide 41 ( 14 ).
  • the support stop 56 has a double function: On the one hand, the exact end position of the pack 10 in the pocket 19 is defined (position according to 14 ). On the other hand, the support stop 56 interacts with the slide 41 . At least during the final stages the transport movement of the slide 41 forms the support stop 56 on the opposite side by resting against the pack (lid end wall) as a counter-holder and pick-up due to the controlled return movement to the initial position 14 . In this, the precise final position of the pack 10 in the pocket 19 is guaranteed.
  • the forming turret 18 is provided with a (circular) carrier or support ring 44 on which a plurality of (forming) pockets 19 are arranged in axial alignment along the circumference.
  • the pockets 19 are preferably formed with a substantially C-shaped cross-sectional profile and are open at both ends.
  • a radially inner pocket wall, in particular a bottom wall 45, side walls 46 and a radially outer outer wall made of outer legs 47 almost completely enclose the pack.
  • a gap 48 is formed between the outer legs 47, which allows the passage of a conveying element, in this case a transverse conveyor 49, whose drivers 50 each grasp a pack 10 and convey it out of the pocket 19, preferably in the region of an upper ejected position.
  • the packs 10 are transferred from the cross conveyor 49 to the discharge conveyor 20 .
  • the pockets 19 of the forming turret 18 are designed in a special way, namely with inclined or diverging side walls 46. These preferably have an angular position corresponding to the position of the side tabs or the outer tabs 13 in the area of the pack track 17 when the packs 10 are transferred to the forming turret 18, so in the position accordingly 6 .
  • the transfer takes place in a lower transfer position of the pocket 19, in which the packs 10 are directed with their front wall upwards.
  • the pack 10 is completed by folding the outer flaps 13 in the forming turret 18 or in the pockets 19 .
  • each pocket 19 is assigned folding elements which can act on the folding tabs through recesses 51 in the side walls 46 of the pocket 19 .
  • Pivoting levers are advantageous, namely pressing or folding levers 52, which are mounted with a pivot bearing 53 on the support ring 44 of the forming turret 18—and are driven via this pivot bearing 53 in the sense of a pivoting movement.
  • a folding head 54 is located at the free end of the folding lever 52. This has a plurality of pressure webs 55 arranged next to one another, each of which passes through one of a plurality of recesses 51 arranged next to one another in the side walls 46 and thereby rests against the folding tabs or outer tabs 13 and the folding pressure on the outer flaps 13 bis transferred to rest on the inner flap 14.
  • the recesses 51 on the one hand and the folding elements or the pressure webs 55 on the other hand are preferably arranged in such a way that the pressure is transmitted in particular in the area of the (hot) glue points 31 .
  • the recesses 51 and the pressure webs 55 face the outside of the pocket 19 or the outer legs 47 ( 10 ).
  • the movable or pivotable folding levers 52 are actuated in such a way that immediately after the insertion of a pack 10, i.e. in particular in the lower insertion position, the folding elements 52, 54 become effective, i.e. the folding of the outer flap 13 is completed ( 7 ).
  • the folding elements 52, 54 remain in the folding position during the subsequent rotary movement of the forming turret 18 up to the upper ejected position ( 8 ).
  • the folding levers 52 or the folding heads 54 are pulled back so that the packs can be pushed out of the pocket 19 by the transverse conveyor 49 in the manner described. Folding levers 52 remain in the retracted position until the next package 10 is inserted.
  • a further special feature of the forming turret 18 and the pockets 19 is important for the proper formation of the pack with regard to the positioning of the folding flaps 13, 14.
  • These are provided with support surfaces 74, which correspond to the support surfaces 67 of the lateral guide elements in the area of the pack track 17 in terms of function and effect.
  • the support surfaces 74 are designed as a radially outer delimitation of the recesses 51 and are arranged in such a way that the outer tab 13 - box side tab 71 and lid side tab 72 - find support on the support surface 74 in such a way that the pressure defined by arrow 68 the folding flap 13 is maintained until it rests against the inner flap 14.
  • the support surface 74 is designed with a slope that falls towards the pack 10, so that the folding process for the outer flap 13 can be carried out while maintaining the contact between the flap edge 62 and the support surface 74 .
  • An innovative special feature is the coordinated control of the movements of the packs 10 up to the transfer to the forming turret 18.
  • the movement sequences are set up in such a way that the packs 10 are transferred from the pack track 17 to the forming turret 18 or a pocket 19 during one machine cycle.
  • the control of the machine is particularly important in such a way that the application of the hot glue - hot glue points 31 -, the feed along the end area of the pack track 17, in particular by the slide 41, and the final folding of the pack 10, preferably in the area of the forming turret 18, during a single Machine cycle take place.
  • the slide 41 is preferably driven by a servo, i.e.
  • the independence of the conveying movements for the packs 10 enables the application of hot glue even during reduced machine speed and the introduction of the pack 10 into the forming turret 18 at increased conveying speed, so that the pack 10 is completed shortly after the application of hot glue.
  • cold gluing can therefore be omitted.
  • the drive of the slide 41 can alternatively be coupled to the machine drive. It is important to embed the gluing with hot glue in one work cycle, which always leads to the completion of the pack, namely the production of the glue connection.
  • the pusher 41 grasps the pack preferably in a final phase of the (continuous) transport by the belt 22, so that the transport of the packs 10 is continued without interruption, preferably at an increased conveying speed. A collision with the belt 22 is prevented by the fork-shaped design of the driver head 42 .
  • the slide 41 transports the packs 10 in a (continuous) movement cycle through the gluing station 27 to the end position within the forming turret 18.

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  • Wrapping Of Specific Fragile Articles (AREA)
  • Basic Packing Technique (AREA)

Claims (13)

  1. Procédé pour la fabrication de paquets (10) avec des pattes de pliage (13, 14) reliées entre elles par collage, à savoir par colle froide et/ou colle chaude, notamment pour la fabrication de paquets de cigarettes du type boîte à couvercle basculant ou couvercle à charnière avec des pattes latérales de boîte et/ou des pattes latérales de couvercle reliées par collage, se recouvrant au moins partiellement, ci-après : pattes extérieures (13) et pattes intérieures (14), les paquets (10) étant tout d'abord pliés à l'exception des pattes de pliage (13, 14) à relier entre elles par collage et au moins l'une des pattes de pliage (13, 14) étant pourvue de colle, à savoir de champs de colle, notamment de points de colle (28, 31), et les paquets (10) étant ensuite introduits dans une poche (19) d'un groupe de formage, à savoir d'un revolver de formage (18), pour compléter le pliage, les pattes de pliage (13, 14) à relier entre elles étant pliées, après application de la colle, notamment des points de colle (28, 31), dans une position de pliage intermédiaire, notamment dans une position oblique relative des pattes de pliage encollées (13, 14) ; dans la position de pliage intermédiaire, des parties du paquet et les pattes de pliage (13, 14) étant orientés les uns par rapport aux autres dans une position relative exacte, adaptée au paquet, tout en maintenant la position de pliage intermédiaire des pattes de pliage à relier (13, 14) ; dans la position de pliage intermédiaire du paquet (10), une patte intérieure (14), notamment une patte intérieure de boîte et/ou une patte intérieure de couvercle d'une boîte à couvercle basculant, se trouvant dans la position finale adaptée au paquet, notamment dans un plan vertical en appui contre un contenu de paquet parallélépipédique, d'autres pattes de pliage ou pattes extérieures (13), notamment pattes latérales de boîte situées à l'extérieur et/ou pattes latérales de couvercle, se trouvant dans une position de pliage intermédiaire espacée, à savoir selon un angle aigu par rapport au plan de la patte intérieure (14), et, dans la position de pliage intermédiaire des pattes de pliage (13, 14), les paquets (10) étant introduits dans un logement de formage ou de maintien de forme, à savoir dans une poche (19) du revolver de formage (18), caractérisé en ce qu'après l'orientation du paquet (10) ou des pattes de pliage (13, 14) à relier entre elles, celles-ci sont pliées par un processus de pliage actif avec des organes de pliage mobiles, les pattes extérieures (13) orientées selon l'angle aigu par rapport au plan de la patte intérieure (14) étant déplacées dans la poche (19) du revolver de formage (18) par les organes de pliage mobiles, notamment par des leviers de pliage pivotants (52), dans la position finale adaptée au paquet, en serrant les pattes extérieures (13) contre les pattes intérieures (14), et reliées entre elles par pression de contact.
  2. Procédé selon la revendication 1, caractérisé par les caractéristiques suivantes :
    a) des images de colle, à savoir des points de colle (28, 31), sont appliquées pendant le transport des paquets (10) par des buses de colle (29, 30), de préférence fixes, sur les pattes de pliage (13, 14) à relier entre elles, à savoir des points de colle (28) sur le côté intérieur des pattes extérieures (13) et des points de colle (29) sur le côté extérieur des pattes intérieures (14),
    b) des points de colle, notamment des points de colle froide (28), sont tout d'abord appliqués sur le côté intérieur des pattes extérieures (13), de préférence sur un côté intérieur orienté vers le bas de pattes extérieures orientées transversalement ou horizontalement (13),
    c) des points de colle de la patte intérieure (14), notamment des points de colle chaude (31), sont ensuite appliqués sur le côté extérieur de la patte intérieure verticale (14), de préférence déjà pliée,
    d) les points de colle (28, 31), de préférence disposés en deux rangées, sont respectivement disposés au voisinage d'un bord de pliage de la patte de pliage (13, 14) concernée, c'est-à-dire à une distance plus grande d'un bord libre de la patte de pliage (13, 14) concernée.
  3. Procédé selon la revendication 1 ou 2, caractérisé par les caractéristiques suivantes :
    a) les paquets (10) transportés le long d'une voie de paquet (17), de préférence en continu, sont pourvus de points de colle pendant le transport dans des stations d'encollage successives (26, 27), notamment de points de colle froide (28) dans la zone d'une première station d'encollage (26) et de points de colle chaude (31) dans la zone de la deuxième station d'encollage (27),
    b) les pattes de pliage encollées (13, 14) des paquets (10) dont le pliage n'est pas encore terminé sont transportées dans le prolongement du déplacement de transport le long de la voie de paquet (17) dans une poche (19) du revolver de formage (18), la poche (19) étant tenue prête à recevoir un paquet (10) dans un plan dans le prolongement de la voie de paquet (17) pour recevoir le paquet (10).
  4. Procédé selon la revendication 3, caractérisé en ce que, pendant une phase finale du transport le long de la voie de paquet (17), notamment jusqu'à l'introduction dans des poches (19) du revolver de formage (18), les paquets (10) sont transportés par un organe d'acheminement séparé dans le prolongement de la bande de déplacement, notamment par un poussoir (41) qui saisit les paquets (10) dans la zone de la voie de paquet (17), de préférence après l'application de colle froide, et les transporte en un cycle de déplacement à travers la station d'encollage (27) pour la colle chaude dans la poche (19) du revolver de pliage (18), de préférence avec une servocommande.
  5. Procédé selon la revendication 1 ou l'une quelconque des autres revendications, caractérisé en ce que les paquets (10) sont saisis et guidés pendant le transport le long d'au moins une zone partielle de la voie de paquet (17) par des organes de guidage latéraux, allongés, fixes ayant un effet d'aiguillage au moins pour les pattes de pliage (13, 14), notamment par des rails de voie (21), des nervures de guidage (24), des rails profilés (33), des branches de guidage (34), des branches de support (35), des profilés latéraux (36), de telle sorte que les pattes extérieures (13) sont formées pendant le transport des paquets (10) d'une position initiale horizontale vers une position oblique selon un petit angle aigu par rapport à la patte intérieure verticale (14), les paquets (10) étant introduits dans cette position avec les pattes extérieures (13) orientées en oblique dans la poche (19) du revolver de formage (18).
  6. Procédé selon la revendication 5, caractérisé en ce que le pliage des pattes de pliage (13, 14), notamment de la patte extérieure (13), est effectué le long d'une ligne de pliage pour former un bord de paquet à angle droit (16) ou le long d'une bande de pliage pour former un bord arrondi (61) entre une paroi de paquet voisine, notamment la paroi avant de boîte (58) et/ou la paroi avant de couvercle (73) d'une part et la patte de pliage extérieure (13) consécutive d'autre part, sans contact avec le contenu du paquet, notamment avec les cigarettes d'angle (69) d'un groupe de cigarettes (57), à savoir à distance de celles-ci, la patte extérieure (13) orientée en oblique étant soumise à une pression sur un bord de patte libre (62) de la patte de pliage (13) dans la zone des profilés de guidage latéraux, à savoir dans la zone des rails profilés (33), et une contre-pression étant produite dans la zone de la paroi de paquet voisine, notamment de la paroi avant de boîte (58) et de la paroi avant de couvercle (73), de préférence par un bord de support (64) du rail profilé (33), de telle sorte que la zone du bord de paquet à angle droit (16) ou la zone de la bande de pliage pour l'arête arrondie (61) est pressée sans contact avec les cigarettes d'angle (69) ou avec le groupe de cigarettes (57) dans son ensemble contre un bord de support (64) du profilé latéral (36).
  7. Procédé selon la revendication 6, caractérisé en ce qu'au moins les rails profilés latéraux (33), de préférence également les corps moulés consécutifs (43), présentent des surfaces de support (67) des deux côtés de la voie de paquet (17), notamment dans une position transversale à l'orientation respective des pattes extérieures (13), qui sont agencées de telle sorte que les pattes extérieures (13) s'appuient pendant le transport, au moins jusqu'au transfert au revolver de formage (18), avec un bord de patte (62), notamment de manière coulissante, contre la surface de support (67), une pression étant transmise, en raison des dimensions, par la surface de support (67) sur les pattes extérieures (13) et sur la zone des bords de paquet (60) ou des bords arrondis (61) (flèche 68).
  8. Procédé selon la revendication 7, caractérisé en ce que dans la zone du revolver de formage (18), notamment dans la zone de chaque poche (19) de celui-ci, des surfaces de support (74) sont formées pour la patte extérieure (13) ou pour le bord de patte (62) de celle-ci de manière analogue aux surfaces de support (67) des rails profilés (33) ou des corps moulés (43), de préférence en tant que surface de délimitation des évidements (51) dans des parois latérales (46) des poches (19) .
  9. Procédé selon la revendication 5 ou l'une quelconque des autres revendications, caractérisé en ce que, sur un côté extérieur de la patte extérieure (13), pendant le transport des paquets (10), notamment dans une position oblique de la patte extérieure (13), une pression est exercée localement sur le côté extérieur de la patte extérieure (13), notamment le long d'une bande approximativement centrale de la patte extérieure (13) et à l'opposé au voisinage du bord sur le côté intérieur de la patte de pliage (13), de préférence par une nervure de guidage (65) agencée sur le côté intérieur sur le rail profilé (33) ou sur la branche de guidage (34) et à l'opposé par une surface d'appui (63) pour la zone de bord ou le bord de patte (62) de la patte de pliage (13).
  10. Procédé selon la revendication 5 ou l'une quelconque des autres revendications, caractérisé en ce que les paquets (10) sont saisis, pendant une phase finale du transport le long de la voie de paquet (17) et après application de la colle (28, 31), par des profilés de guidage fermés agencés des deux côtés de la voie de déplacement, notamment par des corps moulés (43) essentiellement en forme de U dans la section transversale, qui entourent les paquets (10) avec des profilés latéraux (36) avec notamment des branches porteuses horizontales inférieures (38) et notamment des branches supérieures (37), les profilés latéraux (36) présentant des nervures (39) orientées en oblique avec des nervures de guidage (65) sur le côté intérieur et pour l'appui contre le côté extérieur des pattes extérieures (13) et des surfaces de support (67) pour l'appui des bords de pattes (62) pour la transmission d'une force de pression sur les pattes extérieures (13).
  11. Procédé selon la revendication 1 ou l'une quelconque des autres revendications, caractérisé par les caractéristiques suivantes :
    a) dans les poches (19) du revolver de formage (18), les paquets (10) sont délimités, dans la zone de surfaces latérales, par des parois latérales (46) orientées en oblique, selon une position angulaire correspondant à la position oblique des pattes extérieures (13),
    b) les pattes extérieures (13) sont pressées contre les pattes intérieures (14), dans la zone des poches (19), par les organes de pliage, à savoir des leviers de pliage (52) pivotants, notamment dans la zone de la position de chargement, notamment inférieure, de la poche (19),
    c) les leviers de pliage (52) passent avec une tête de pliage (54) ou avec des nervures de pression (55) à travers des évidements (51) dans les parois latérales (46) des poches (19) jusqu'à l'appui contre les pattes extérieures (13) et, en effectuant le pliage, jusqu'à l'appui contre la patte intérieure (14).
  12. Dispositif pour la fabrication de paquets (10) avec des pattes de pliage (13, 14) reliées entre elles par collage, à savoir par colle froide et/ou colle chaude, notamment pour la fabrication de paquets de cigarettes du type boîte à couvercle basculant ou couvercle à charnière avec des pattes latérales de boîte et/ou des pattes latérales de couvercle reliées par collage, se recouvrant au moins partiellement, ci-après : pattes extérieures (13) et pattes intérieures (14), le paquet (10) étant tout d'abord plié à l'exception des pattes de pliage (13, 14) à relier entre elles par collage et au moins l'un des pattes de pliage (13, 14) étant pourvue de colle, à savoir de champs de colle, notamment de points de colle (28, 31), les paquets (10) incomplètement pliés étant transportés vers un dispositif de formage, à savoir vers un revolver de formage (18) avec des poches (19) agencées le long de la périphérie et le revolver de formage (18) pouvant tourner à l'extrémité de la voie de paquet (17) dans un plan transversal à celle-ci, des paquets (10) avec des pattes de pliage (13, 14) encollées mais pas encore reliées pouvant être insérés dans une poche (19) dans le prolongement direct de la voie de paquet (17) dans une position de réception de préférence inférieure d'une poche (19), caractérisé par les caractéristiques suivantes :
    a) dans la zone de la voie de paquet (17) sont agencées successivement deux stations d'encollage (26, 27) avec des buses de colle (29, 30) pour le transfert de points de colle (28, 31) sur les paquets (10),
    b) une première station d'encollage (26) avec des buses de colle (29) sert au transfert de points de colle (28), notamment de points de colle froide (28), sur le côté intérieur des pattes extérieures (13),
    c) une deuxième station d'encollage (27) avec des buses de colle (30) sert au transfert de points de colle (31), notamment de points de colle chaude (31), sur le côté extérieur de la patte intérieure verticale (14), de préférence déjà pliée,
    d) à chaque poche (19) du revolver de formage (18) sont associés des organes de pliage mobiles, notamment des leviers de pliage pivotants (52), qui servent à serrer les pattes extérieures (13) contre les pattes intérieures (14) pour compléter le paquet,
    e) des organes de pliage et de guidage agencés le long de la voie de paquet (17), à savoir des aiguillages de pliage, pour le paquet (10) et/ou pour les pattes extérieures (13), les pattes intérieures (14), qui sont agencés des deux côtés de la voie de paquet (17) et sont configurés avec un profil qui varie le long de la voie de paquet, de telle sorte qu'un guidage exact des pattes de pliage (13, 14) s'effectue, et que la patte intérieure (14) est stabilisée dans une position verticale adaptée au paquet en appui sur le contenu du paquet et, pendant le transport, la patte extérieure (13) peut être pliée d'une position initiale horizontale à une position orientée selon un angle aigu par rapport à la patte intérieure (14) et, avec cette position de pliage intermédiaire de la patte extérieure (13), être introduite dans le revolver de formage (18), à savoir dans une poche (19) du revolver de formage (18), notamment des rails profilés (33), des branches de support (35) et des profilés latéraux (36).
  13. Dispositif selon la revendication 12, caractérisé en ce que les organes de guidage latéraux (33, 43) pour les pattes de pliage, notamment pour la patte extérieure (13), présentent des moyens de support agissant sur celle-ci, notamment des surfaces de support (67) pour transmettre une pression sur des bords de patte libres (62) de la patte extérieure (13) en direction de bords de paquet (60) ou de bords arrondis (61) et/ou de nervures de guidage (65) pour transmettre une pression latérale sur une zone centrale du côté extérieur de la patte extérieure (13).
EP18000118.2A 2017-02-22 2018-02-09 Procédé et dispositif de fabrication de paquets (de cigarettes) Active EP3366595B1 (fr)

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IT201900000545A1 (it) 2019-01-14 2020-07-14 Gd Spa Procedimento e apparecchiatura per confezionare prodotti in pacchetti a forma di scatola
CN110092025A (zh) * 2019-05-31 2019-08-06 福建烟草机械有限公司 一种新型细支烟七号轮总成
CN114174176B (zh) * 2019-08-02 2023-05-23 普拉斯利恩责任有限公司 用于包装纸卷的包装机器
CN113212822B (zh) * 2021-05-27 2022-12-06 上海尚翱科技有限公司 一种条形包装袋入盒包装设备

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PL3366595T3 (pl) 2023-07-31

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