EP4259531A1 - Procédé et dispositif de fabrication de flans pour des rebords de paquets pour cigarettes - Google Patents

Procédé et dispositif de fabrication de flans pour des rebords de paquets pour cigarettes

Info

Publication number
EP4259531A1
EP4259531A1 EP21836366.1A EP21836366A EP4259531A1 EP 4259531 A1 EP4259531 A1 EP 4259531A1 EP 21836366 A EP21836366 A EP 21836366A EP 4259531 A1 EP4259531 A1 EP 4259531A1
Authority
EP
European Patent Office
Prior art keywords
transport
blanks
roller
collar
folding
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.)
Pending
Application number
EP21836366.1A
Other languages
German (de)
English (en)
Inventor
Dennis SCHERNER
Matthias HAIMERL
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 EP4259531A1 publication Critical patent/EP4259531A1/fr
Pending legal-status Critical Current

Links

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
    • 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
    • B65B19/228—Preparing and feeding blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/10—Feeding or positioning webs
    • B31B50/102—Feeding or positioning webs using rolls, belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/16—Cutting webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms

Definitions

  • the invention relates to a method for producing blanks for collars of packs for cigarettes, wherein blanks for collars, preferably lying flat, are fed to a pair of transport rollers in a transport direction along a transport plane, and the blanks are two, preferably formed by a U-shaped incision Having folding tabs for a lid brake of a pack for cigarettes, wherein the folding tabs for the lid brake are each arranged in the transition from a collar front wall to a collar side wall, according to the preamble of claim 1.
  • the invention relates to a corresponding invention according to the preamble of claim 10.
  • the invention is based on the object of further developing methods and devices of the type mentioned, in particular with regard to measures to ensure the function of folding tabs for a cover brake.
  • a method for solving this problem has the features of claim 1. Accordingly, it is provided that at least the folding tabs for the lid brake of one, preferably each, blank are erected during transport through the pair of transport rollers, namely by placing a folding tab on a mandrel, preferably fixed on the circumference of a rotating transport roller of the pair of transport rollers, out of the plane of the be swiveled out.
  • a correct erection of the folding tab for the cover brake can be ensured by the mandrel, which is preferably arranged in a fixed manner on the circumference of the rotating transport roller.
  • a continuous material web for the collars is conveyed along the transport plane and fed to a cutting device upstream of the transport roller pair, and that the material web is provided in the cutting device with separating cuts for separating blanks for collars and/or that in the cutting device for each blank, two preferably U-shaped incisions are made to form the folding tabs for the cover brake.
  • the pair of transport rollers has the transport roller and a counter-roller assigned to the transport roller, between which the blanks for attaching the material weakenings are passed, and that a recess is arranged on the circumference of the counter-roller corresponding to the mandrel of the transport roller, into which a Mandrel erected folding flap for the cover brake is swung in.
  • the size of the recess of the counter-roller is matched to the dimensions of the folding tab for the cover brake.
  • the recess has a front edge directed transversely to the transport direction and a rear edge directed transversely to the transport direction be positioned adjacent corresponding portions of an incision for a folding flap.
  • This solution can have the advantage that tearing and/or further tearing of the surrounding blank can be prevented.
  • the folding tabs are erected around an imaginary bending edge of the blank, which is preferably directed parallel to the transport direction, with the bending edge being positioned in such a way that an edge of the transport roller facing the recess, in particular a creasing projection, is (exactly) along the bending edge applied.
  • This solution can have the advantage that the folding tabs for the lid brake are only pivoted about the bending edge.
  • the blanks which are spread out flat apart from the erected folding flaps for the lid brake, are transported through a first collar switch, in which opposite lateral edge areas of the blanks, in particular collar side walls, are pivoted transversely to the transport direction, namely by correspondingly running guide means, along which the two edge areas are each guided during transport, the erected folding tabs for the lid brake being guided by separate guide means such that the erected folding tabs are not moved back into the plane of the blanks when the edge areas are pivoted.
  • a device for solving the task mentioned at the outset has the features of claim 10 . Accordingly, it is provided that the pair of transport rollers is set up to erect the folding tabs for the lid brake of one, preferably each, blank, namely to swivel them out of the plane of the blank by contacting a folding tab on a mandrel, which is preferably arranged in a fixed manner on the circumference of a rotating transport roller of the pair of transport rollers .
  • the pair of transport rollers has the transport roller and a counter-roller assigned to the transport roller, between which the blanks for applying the material weakenings can be passed in an embossing manner, it being preferably provided that a recess is arranged on the circumference of the counter-roller corresponding to the mandrel of the transport roller, into which a folding tab for the cover brake, which is erected by the mandrel, can be pivoted, and it is provided in particular that the size of the recess of the counter-roller is matched to the dimensions of the folding tab for the cover brake.
  • the recess has a front edge directed transversely to the transport direction and a rear edge directed transversely to the transport direction, which are each positioned adjacent to the corresponding sections of an incision for a folding flap when the collar is transported by the transport roller pair.
  • the folding tabs can be erected about an imaginary bending edge of the blank directed parallel to the transport direction, with each bending edge being positioned in such a way that an edge of the recess facing the Transport roller, in particular a grooving projection, (exactly) along the respective bending edge.
  • the device has a second collar switch following the first collar switch, the device being set up so that the blanks are transported through the second collar switch, in which the opposite lateral edge regions of the blanks, in particular the collar side walls , are swung back transversely to the direction of transport, namely in a flat, spread-out configuration with erected folding tabs for the cover brake.
  • FIG. 1 shows a three-dimensional schematic representation of a hinge-lid pack for cigarettes with the lid open
  • Fig. 2 is an isometric view of part of a collar of the pack of Fig. 1,
  • FIG. 4 shows a schematic side view of a device for producing the collars
  • Fig. 5 shows a vertical section through the device along section line V - V in Fig. 4,
  • Fig. 6 shows a detail of Fig. 5 in area VI on an enlarged scale
  • Fig. 10 shows a vertical section through the device along section line X - X in Fig. 4, and
  • Fig. 11 shows a vertical section through the device along section line XI - XI in Fig. 4.
  • the pack 10 has, as usual, a box part 12 for accommodating a group of cigarettes, which is wrapped in an inner wrapping 14 and has a closure tape 15, which can preferably be actuated several times, in the area of a removal opening.
  • the pack 10 also has a lid 16 pivotably mounted on the box part 12 and a collar 17, which is arranged on the inside of the box part 12 and protrudes from the box part 12, which is open at the top, in such a way that it rests against the inside of the lid 16 when the lid is closed.
  • the collar 17 has folding tabs 18 that serve as a cover brake.
  • two folding tabs 18 are provided as lid brakes, which are each arranged in the area of upright pack edges 19, namely pack edges 19 in the area of the transition from a large pack front side 20 of pack 10 to the respective pack narrow sides 21 of pack 10.
  • the package edges 19 are designed as rounded edges.
  • the collar 17 is provided with material weakenings in the region of the transition from a collar front wall 22 to collar side walls 23 , namely corrugations 24 parallel to one another, which run along an (upright) longitudinal axis of the pack 10 . It goes without saying that collars 17 without grooves 24 can also be processed, for example in the case of packs 10 without round edges and/or in the case of special shapes of collars 17.
  • the folding tabs 18 are formed as usual by punching in the material of the collar 18, namely by a C- or U-shaped punching in the area of the round edges or package edges 19.
  • FIG. 1 shows that the folding tabs 18 are erected in relation to the areas of the collar 18 surrounding the folding tabs, so that when the lid 16 is closed they rest on the inside with a frictional and/or positive fit and hold the lid 16 in the closed position.
  • this is regarded as the task and function of a folding tab 18 for a cover brake.
  • a continuous web of material 25 is preferably conveyed continuously along a horizontal transport plane 26 in the transport direction 27. It goes without saying that the transport plane 26 can also be arranged inclined or upright.
  • the material web 25 is transported in the direction of a cutting device 28 by means of a pair of rotating advance rollers 29 on both sides of the material web 25, between which the material web 25 is transported. It goes without saying that the transport can also take place with other conventional means of transport.
  • the web of material 25 is divided into individual blanks 30 for a collar 17 each.
  • corresponding cutting knives are arranged on the circumference of a rotating cutting roller 31 of the cutting device 28 in a manner known per se.
  • the cutting roller 31 works together with a preferably smooth counter-roller 32 .
  • both rollers are arranged on both sides of the material web 25, so that the material web runs between the cutting roller 31 and the counter roller 32 and is thereby divided into individual blanks 30 by one or more cutting knives.
  • two C- or U-shaped punching cuts are made for the folding flaps 18 by punching knives preferably also arranged on the circumference of the cutting roller 31, so that following the cutting device 28 a blank 30 that has been completed to this extent is made available for a collar that is unfolded and is provided lying flat in the transport plane 26 and transported further in the transport direction 27 by a pair of transport rollers 50 .
  • the cutting device 28 is dispensed with and the blanks 30 for collars 17 prepared to this extent are provided elsewhere, for example as prefabricated blanks 30 which can be removed from a magazine and placed in the transport plane 26.
  • the next pair of rollers in the transport direction 27 belongs to a grooving device 33 which has a grooving roller 34 on one side of the transport plane 26 and a counter roller 35 on the other side of the transport plane 26 .
  • Grooving roller 34 and counter-roller 35 have grooving projections 36 and corresponding depressions 37 on the circumference, which are designed for attaching the grooving 24 to the blanks 30 passed between the rollers.
  • the creasing device 33 also implements measures for raising the folding tabs 18 for the cover brake.
  • two mandrels 38 are arranged on the circumference of the rotating creasing roller 34, which otherwise protrude beyond the circumference of the creasing roller 35.
  • the feed of the blanks 30 is coordinated in such a way that a mandrel 38 erects a folding tab 18 in each case.
  • the counter-roller 34 has a recess 39 which offers space for an erected folding tab 18 .
  • the folding tabs are Erecting pivoted about an axis which runs parallel to the direction of transport 27 .
  • a number of recesses 39 corresponding to the number of folding tabs 18 to be erected can be provided.
  • common recesses 39 for several folding tabs 18 can also be provided with a corresponding position of the erecting folding tabs 18 .
  • the crescent-shaped mandrel 38 protrudes into the recess 39.
  • the mandrel 38 has an inclined surface 40 which specifies the angle at which the folding tab 18 is erected. An angle of about 35° is preferred.
  • deviations are also conceivable, e.g. in a range from 25° to 45°.
  • the angle is selected so that there is a partial fiber tear in the material of the blank 30, so that the folding tab 18 for the cover brake cannot swing back into the plane of the blank 30 due to the restoring forces of the blank 30 caused by the material.
  • the folding tab 18 is pivoted about a bending edge 49 on which part of the counter-roller 35, in particular with a grooving projection 36, is supported.
  • the counter-roller 35 can also be supported with an edge facing the recess 39 on the bending edge 49, for example if the counter-roller 35 is designed as a smooth roller without elevations and/or depressions.
  • the mandrel 38 is preferably designed as an exchangeable molded part.
  • a further special feature is that the creasing roller 34 and the counter-roller 35 also serve as accelerator rollers in order to space the blanks 30 severed from the material web 25 from one another.
  • the grooving roller 34 and the counter-roller 35 are driven faster than transport elements arranged upstream. As a result, a gap is created between the collars 17 and any unwanted residual connections that are still present are torn apart.
  • creasing roller 34 and the counter-roller 35 are set up not to apply any creasing to the blank 30, for example as mentioned in FIG other pack shapes or with special collars 17.
  • the creasing roller 34 and the counter-roller 35 are then merely accelerator rollers.
  • transport roller or pair of transport rollers are used synonymously within the scope of this application for creasing roller, counter-roller, accelerator roller or creasing device.
  • the recess 39 is also adapted in the transport direction 27 to the dimensions of the folding tab 18 in this direction.
  • the recess 39 has a front edge 40 directed transversely to the transport direction 27 and a rear edge 41 directed transversely to the transport direction 27, which are positioned adjacent to the corresponding sections of an incision for a folding tab 18 when the blanks 30 are transported by the creasing device 33 . In this way, tearing and/or further tearing of the surrounding blank can be prevented.
  • a first collar switch 42 has separate guide channels for the erected folded flaps 18 and the lateral areas of the blanks 30, namely a first pair of guide channels 43 for the folded flaps 18 and a second pair of guide channels 44 for the collar side walls 23.
  • switches can also be used as guide means.
  • the two collar side walls 23 are erected during the transport of the blanks 30 in the transport direction 27 and the folding tabs 18 are guided separately in the guide channels 43 (FIGS. 9 and 10). In this way it can be prevented that the folding tabs 18 return to the plane of the blank 30 are moved back and get caught there in the punchings.
  • the collar side walls 23 are thereby raised by more than 90° and are thus bent over, so that the packaging material (cardboard) is preformed and in the pack 10 has only a slight tendency to bend back.
  • the blanks 30 are transported by transport belts 45 which rest on the top and bottom of the blanks 30 and move them in the transport direction 27 .
  • the transport belts 45 are guided and driven over upper and lower pairs of transport rollers 46, respectively.
  • the blank 17 is then transferred to the so-called transverse push-off.
  • the transverse pusher is a toothed belt that conveys the finished blanks 30 at right angles to the direction of transport 27 .
  • the blanks 30 are then transferred to a stage where they are placed on the cigarette group 13 wrapped in the inner wrapper 14 .
  • the material web 25 is continuously conveyed to the cutting device 28 .
  • the web 25 is drawn in by the feed rollers 29 and moved to the cutting device 28 .
  • the cutting device 28 makes perforation cuts, for example with a crushing blade, the U-shaped cut for the cover brake and finally the separating cut.
  • the blank 30 is then transferred to the creasing device 33 by transport rollers.
  • the creasing roller 23 and the counter-roller 35 have a slightly higher speed than the rollers of the cutting device 28. As a result, a gap is created between the collars 17 and any unwanted residual connections that are still present are torn apart.
  • the blank 30 is creased by a wavy contour in the top and bottom rollers.
  • the grooving serves to form the radius of the collar evenly.
  • the upper backing roller touches the flat brake in the fold line and thereby defines the length.
  • the cover brake is also fixed by the top roller to prevent undefined folding (possibly tearing) of the material.
  • the blank is transferred to folding switches.
  • the two side flaps are bent over at an angle greater than 90° so that the cardboard material is preformed and has little tendency to bend back in the pack.
  • the cover brake is guided in a separate channel. This is to prevent the lid brake from getting caught in the plane of the box again and no longer folding out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

L'invention concerne un dispositif et un procédé de fabrication de flans (30) pour des rebords (17) de paquets (10) pour cigarettes (11), des flans (30 pour des rebords (17), de préférence reposant à plat étant acheminés dans une direction de transport le long d'un plan de transport (26) jusqu'à une paire de rouleaux de transport (34, 35), selon l'invention, la paire de rouleaux de transport (34, 35) faisant partie d'un dispositif de rainurage (33) dans lequel les flans (30) sont munis d'affaiblissements de matériau orientés de préférence parallèlement à la direction de transport (27), en particulier de rainures (24), et les flans (30) présentant au moins une patte de pliage (18) formée par une encoche en forme de U, pour un frein de couvercle d'un paquet (10) de cigarettes (11). Selon l'invention, au moins une patte de pliage (18) pour le frein de couvercle d'un, de préférence de chaque, flan (30) est relevée pendant le transport par la paire de rouleaux de transport, ladite patte de pliage subit un pivotement hors du plan du flan (30), par application de la patte de pliage (18) sur un mandrin (38), de préférence monté fixe sur la périphérie d'un rouleau de transport (34) rotatif de la paire de rouleaux de transport (34, 35).
EP21836366.1A 2020-12-10 2021-12-07 Procédé et dispositif de fabrication de flans pour des rebords de paquets pour cigarettes Pending EP4259531A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020132904.0A DE102020132904A1 (de) 2020-12-10 2020-12-10 Verfahren und Vorrichtung zur Herstellung von Zuschnitten für Kragen von Packungen für Zigaretten
PCT/EP2021/084501 WO2022122695A1 (fr) 2020-12-10 2021-12-07 Procédé et dispositif de fabrication de flans pour des rebords de paquets pour cigarettes

Publications (1)

Publication Number Publication Date
EP4259531A1 true EP4259531A1 (fr) 2023-10-18

Family

ID=79259428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21836366.1A Pending EP4259531A1 (fr) 2020-12-10 2021-12-07 Procédé et dispositif de fabrication de flans pour des rebords de paquets pour cigarettes

Country Status (4)

Country Link
EP (1) EP4259531A1 (fr)
CN (1) CN116600982A (fr)
DE (1) DE102020132904A1 (fr)
WO (1) WO2022122695A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023107950A1 (de) 2023-03-29 2024-10-02 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zum Handhaben von Zuschnitten für Packungen für Produkte der Zigarettenindustrie aus einer Materialbahn

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH690958A5 (fr) 1995-04-15 2001-03-15 Bobst Sa Installation de découpage rotatif.
US5129513A (en) * 1991-11-22 1992-07-14 Philip Morris Incorporated Cigarette packs with retention cuts to facilitate consistent lid closure
ITBO970036A0 (it) * 1997-01-28 1997-01-28 Gd Spa Gruppo di alimentazione di un nastro di materiale di incarto per la re alizzazione di collarini per pacchetti rigidi con coperchio incerniera
DE19957058A1 (de) * 1999-11-26 2001-05-31 Focke & Co Verfahren und Vorrichtung zum Herstellen von Kragen für Klappschachteln
IT1402724B1 (it) 2010-11-24 2013-09-18 Gd Spa Metodo ed unita' di alimentazione per accoppiare un coupon ad un collarino e confezione con coperchio incernierato provvista di un collarino e di un coupon.
WO2014002166A1 (fr) 2012-06-25 2014-01-03 日本たばこ産業株式会社 Procédé pour produire un emballage pour articles à fumer en forme de tige, emballage pour articles à fumer en forme de tige et dispositif pour produire un emballage pour articles à fumer en forme de tige
DE102014116784A1 (de) * 2014-06-16 2015-12-17 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zum Herstellen von Packungen für Zigaretten
DE102014010615A1 (de) 2014-07-21 2016-01-21 Focke & Co. (Gmbh & Co. Kg) Packung für Zigaretten und Verfahren und Vorrichtung zum Herstellen derartiger Packungen

Also Published As

Publication number Publication date
DE102020132904A1 (de) 2022-06-15
WO2022122695A1 (fr) 2022-06-16
CN116600982A (zh) 2023-08-15

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