EP0603562B1 - Procédé et dispositif pour dresser les boîtes pliantes et pour replier leurs volets de fermeture - Google Patents

Procédé et dispositif pour dresser les boîtes pliantes et pour replier leurs volets de fermeture Download PDF

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Publication number
EP0603562B1
EP0603562B1 EP93118856A EP93118856A EP0603562B1 EP 0603562 B1 EP0603562 B1 EP 0603562B1 EP 93118856 A EP93118856 A EP 93118856A EP 93118856 A EP93118856 A EP 93118856A EP 0603562 B1 EP0603562 B1 EP 0603562B1
Authority
EP
European Patent Office
Prior art keywords
folding
over
flap
closure flaps
closure
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.)
Expired - Lifetime
Application number
EP93118856A
Other languages
German (de)
English (en)
Other versions
EP0603562A1 (fr
Inventor
Walter Dietrich
Andreas Geiger
Ralf Steinbrenner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0603562A1 publication Critical patent/EP0603562A1/fr
Application granted granted Critical
Publication of EP0603562B1 publication Critical patent/EP0603562B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/38—Opening hinged lids
    • B65B43/39—Opening-out closure flaps clear of bag, box, or carton mouth

Definitions

  • the invention is based on a method for erecting a folding box and folding its closure flaps according to the preamble of claim 1.
  • the closure flaps which initially protrude from the side walls of the folding box in the same plane, are bent to expose an opening so that the opening of the folding box is as close as possible to a filling device can be introduced.
  • a method of this type which has become known from US Pat. No. 3,956,976, a folding box equipped with two side flaps and a top flap is removed from a stack magazine by means of a first conveying device and partially opened on a first sheet path, with one side flap being folded on a folding switch.
  • the folding box is then taken over by a second conveying device and transferred to a conveying device of a cartoning machine on a second sheet path, the second side flap being folded on the same folding switch. Finally, after the folding box has been completely opened, the cover flap is bent by inserting it into the conveying device of the cartoning machine on an additional folding switch. Disadvantageous it is that with the known device only folding boxes with three tabs can be handled. Since the two side flaps are folded one after the other when conveying a folding box on separate sheet paths and the folding box is also transferred from one suction device of one conveyor to another, the output of the known device is low.
  • the geometry of the folding switches has to be adapted to the respective folding box format, ie for each folding box format several folding switches have to be provided and exchanged, so that long changeover times occur when changing the format.
  • US Pat. No. 3,509,681 a method for opening a folding box with four flaps is known, in which the four flaps on the fully erected folding box are folded, partly by means of stationary and partly by means of moving folding elements, on the straight conveying path of the folding box in a cartoning machine.
  • the disadvantage here is that the length of such machines performing the known method is long and that the drive and the control of moving folding elements are complex.
  • the method according to the invention for erecting a folding box and for folding its closure flaps with the characterizing features of claim 1 has the advantage that the folding of all the closure flaps occurs during the erection process of the folding box, whereby the device is particularly small. Since the folding tabs on stationary folding elements are folded when the folding box is moved and erected, there is no need to drive folding elements. In addition, the folding of the closure flaps takes place continuously during the entire period from the removal of the folding box to its delivery to a conveyor of a cartoning machine, as a result of which the method has a high output.
  • the flaps of a folding box with four flaps are folded.
  • the proposed method can be used for different folding box designs.
  • a device with the features according to claim 4 for carrying out the method according to the invention has the advantage that when changing the format, only a single part containing the folding elements has to be exchanged, as a result of which the changeover time from one folding box format to another is minimized.
  • FIG. 1 shows a device for erecting a folding box with four flaps and edging, the closure flaps of which are simplified in side view
  • FIGS. 2 to 5 a device according to FIG 6 in cross section in the plane VI-VI of FIG. 2nd
  • each folding box 11 has two narrow 12 and two wide 13 side walls, from which closure tabs 14 to 17 protrude for closing an opening 19 of the erected folding box 11.
  • a folding box 11 is pulled down from the vertically arranged magazine 10, first conveyed to a reversal point B on a first curved, laterally protruding section a and then to a reversing point C on a second curved section b, the folding box 11 on the the first stretch a by 90 degrees into a vertical position, and on the second stretch b again brought into a horizontal position, in which the folding box 11 is turned to its original position by one hundred and eighty degrees.
  • the folding box 11 is erected on this path of movement and its closure tabs 14 to 17, which originally protrude from the side walls 12 and 13 and which open the filling opening 19, are bent at right angles to the outside.
  • the device has, for example, a transfer device 21 known from EP-A-0433667.
  • This transfer device has a three-armed rotor 23, which is rotatably mounted on a rotating crank 22 and has arms 25 on it the circumference evenly offset holder 26 are arranged. These holders 26 pass through a self-contained cycloidal cam track with the four reversal points A, B, C and D.
  • One reversal point A is the magazine 10 for the folding boxes 11 to be processed and the opposite reversal point C of the transfer point to the conveyor 20 of the cartoning machine assigned.
  • each arm 25 is assigned a pivotable press-on finger 27 which, on the transfer path from the reversal point A to the reversal point C, starts the folding box 11 in a controlled manner shortly before the deflection point B.
  • a folding device 30 is arranged in a stationary manner in its movement space along its transfer path.
  • the folding device 30 has a plate-shaped folding element 31 which extends in the plane of movement of the folding lines 32 of the closure flaps 14 to 17 of the folding box 11, and two further folding elements 33 and 34 which protrude obliquely from the plate-shaped folding element 31 into the movement space of the closure flaps 14 to 17 .
  • the plate-shaped folding element 31 covers part of the distance b. It has an upper parallel edge 36 to the folding boxes 11 in the magazine 10, an edge 37 perpendicular thereto close to the reversal point B and a lower edge 38 parallel to the upper edge 36.
  • the upper edge 36 extends approximately at the height of the reversal point B, so that the rear side plate 17 and the lower plate 15 always move above this edge 36 on their transfer path between the reversal points A and B.
  • the lower edge 38 extends below the conveying path of the folding boxes 11 in the conveying device 20.
  • the vertical edge 37 lies in the vicinity of the reversal point B, so that the lower link 15 is on its transfer path at the reversal point B outside the plate-shaped folding element 31.
  • a triangular folding element 33 in the form of a section from the plane of movement of the folding lines 32 of the folding boxes 11 is angled into the movement space of the closure flaps 14 to 17.
  • the triangular folding element 33 can also be designed in the form of stationary switches or the like in order to handle critical folding box formats.
  • Inclination angle x is such that the front side flap 16 on its transfer path between the reversal points A and B and the rear side flap 17 on its transfer path between the reversal points B and C run onto the triangular folding element 33 and are bent by it.
  • a preferably rod-shaped folding element 34 is also arranged perpendicular to the upper edge 36 on the plate-shaped folding element 31 and also projects into the movement space of the locking tabs 14 to 17. Its angle of inclination y is less than that of the triangular folding element 33.
  • a fastening bracket 40 attached to the plate-shaped folding element 31 serves to fasten the folding device 30 to the device. In the event of a format change, the complete folding device 30 can thus be exchanged in a simple manner for another folding device adapted to the changed folding box format.
  • the device described above works as follows: When a flat-lying folding box 11 is pulled out of the magazine 10 by means of the holder 26 of the rotor 23, the cover tab 14 and the rear side tab 17 as well as the front side tab 16 and the bottom tab 15 are each initially in two parallel planes. The folding box 11 is then conveyed on the route a and at the same time rotated by ninety degrees. Due to the arrangement of the folding elements 31, 33 and 34 and the kinematics of the transfer device 21, the closure flaps 14 to 17 are folded in the order of their arrangement in the direction of movement of the folding box 11 to the folding elements 31, 33 and 34.
  • the higher of the closing tabs 14 to 17 is always folded first.
  • the cover flap 14 runs against the rod-shaped first folding element 34 and is gradually bent by the latter by the movement of the folding box 11 to the folding element 34.
  • the front side tab 16 runs onto the triangular second folding element 33 and begins to fold at it.
  • the cover flap 14 slides from the rod-shaped folding element 34 onto the triangular folding element 33.
  • the cover flap 14 and the front side flap 16 slide from the triangular folding element 33 to the plate-shaped folding element 31 and are angled at right angles to their side walls 12 and 13.
  • the press-on finger 27 Shortly before reaching the first reversal point B, the press-on finger 27 begins to erect the folding box 11 by pressing on a narrow side wall 12.
  • the folding box 11 is partially erected and its lower link 15 is located outside the vertical edge 37.
  • the lower link 15 runs against the vertical edge 37 and is bent at right angles to it.
  • the rear side flap 17 finally runs up on the triangular folding element 33, begins to fold on it, and is bent at a right angle by the latter in the transition into the plate-shaped folding element 31. All four closure tabs 14 to 17 are now, opening the filling opening 19, bent at right angles and slide along the distance b on the plate-shaped folding element 31.
  • folding boxes with three closure flaps can be handled on the device by folding a cover flap and a first side flap on the first stretch a and a second side flap on the second stretch b.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Closing Of Containers (AREA)
  • Making Paper Articles (AREA)

Claims (7)

  1. Procédé pour dresser une boîte pliante (11) et replier ses volets de fermeture (14 à 17) d'une ouverture (19), par lequel la boîte pliante (11) est transportée sur un convoyeur comportant plusieurs sections courbes (a à d), tandis que les volets de fermeture (14 à 17) rattachés à la boîte pliante (11), dans le plan des faces (12, 13), sont repliés rectangulairement, dégageant l'ouverture (19),
    caractérisé en ce que
    tous les volets de fermeture (14 à 17) entourant l'ouverture (19) sont repliés au moyen d'éléments de pliage à localisation fixe (31, 33, 34) pendant le déplacement du convoyeur entre l'extraction de la boîte pliante (11) à partir d'un chargeur (10) et son transfert dans un dispositif de transfert (20) d'une machine de cartonnage, et en ce que les volets de fermeture (14 à 17) sont successivement repliés à la suite dans l'ordre de leur disposition dans la direction de déplacement de la boîte pliante (11) vers les éléments de pliage (31, 33, 34), en commençant par le plus haut placé des volets de fermeture (14 à 17), tandis que de deux volets de fermeture (14 à 17) parallèles par rapport à leur déplacement vers les éléments de pliage (31, 33, 34) le plus haut de deux volets de fermeture (14 à 17) est replié en premier.
  2. Procédé selon revendication 1,
    caractérisé en ce que
    la boîte pliante (11) est conduite et transférée sur deux sections courbes (a, b) reliées l'une à l'autre par un point de rebroussement (B), en ce que sont repliés sur la première section (a) un volet supérieur (14) constituant le premier volet de fermeture au contact d'un premier élément de repliage (34) et un premier volet latéral (16) constituant le second volet de fermeture au contact d'un second élément de repliage (33), et en ce que est replié sur la seconde section (b) un second volet latéral (17) constituant le troisième volet de fermeture au contact du second élément de repliage (33).
  3. Procédé selon revendication 2,
    caractérisé en ce que
    avant le repliage du second volet latéral (17) est replié sur la seconde section (b) un volet inférieur (15) constituant le quatrième volet de fermeture au contact de l'élément de repliage de forme plate (31)
  4. Dispositif pour la mise en oeuvre du procédé selon revendication 1 avec un dispositif de transfert (21) pour le transfert de boîtes pliantes (11) à partir d'un chargeur (11) d'un magasin (10) dans un dispositif de transfert (20) d'une machine de cartonnage par l'intermédiaire de plusieurs sections courbes (a et b) comportant au moins un point de rebroussement (B) avec des éléments de repliage (31, 33, 34) disposés au long du convoyeur des volets de fermeture (14 à 17),
    caractérisé en ce qu'
    un élément de repliage de forme plate (31) recouvre la majeure partie d'une section courbe (b) et se situe dans le plan de déplacement des lignes de repliage (32) des volets de fermeture (14 à 17), en en ce que d'autres éléments de repliage (33, 34) sont disposés auprès de l'élément de repliage (31) qui se dressent dans le volume de déplacement des volets de fermeture (14 à 17).
  5. Dispositif selon revendication 4,
    caractérisé en ce que
    l'élément de repliage de forme plate (31) comporte des arêtes (36 à 38) desquelles une arête supérieure (36) située au-dessous de la première section courbe (a) de la voie de transfert du volet inférieur (15) de la boîte pliante (11), l'arête (38) située en vis-à-vis au-dessous du convoyeur du dispositif de transfert (20) de la machine de cartonnage et cette arête reliée à cette dernière (37) un peu à l'écart du point de rebroussement (B) des sections courbes reliées ensemble (a, b) de la voie de transfert.
  6. Dispositif selon revendication 4 ou 5,
    caractérisé en ce que
    l'élément de repliage de forme plate (31) comporte un élément de repliage de forme triangulaire (33) qui se dresse dans le volume de déplacement des volets de fermeture (14 à 17).
  7. Dispositif selon l'une des revendications 4 à 6,
    caractérisé en ce qu'
    un élément de repliage en forme de tige (34) se dresse dans le volume de déplacement des volets de fermeture (14 à 17) auprès de l'élément de repliage de forme plate (31).
EP93118856A 1992-12-19 1993-11-24 Procédé et dispositif pour dresser les boîtes pliantes et pour replier leurs volets de fermeture Expired - Lifetime EP0603562B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4243139A DE4243139A1 (de) 1992-12-19 1992-12-19 Verfahren und Vorrichtung zum Aufrichten einer Faltschachtel und zum Abkanten deren Verschlußlaschen
DE4243139 1992-12-19

Publications (2)

Publication Number Publication Date
EP0603562A1 EP0603562A1 (fr) 1994-06-29
EP0603562B1 true EP0603562B1 (fr) 1997-02-19

Family

ID=6475872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93118856A Expired - Lifetime EP0603562B1 (fr) 1992-12-19 1993-11-24 Procédé et dispositif pour dresser les boîtes pliantes et pour replier leurs volets de fermeture

Country Status (4)

Country Link
US (1) US5573490A (fr)
EP (1) EP0603562B1 (fr)
JP (1) JP3466248B2 (fr)
DE (2) DE4243139A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5782064A (en) * 1997-06-13 1998-07-21 The Mead Corporation Box folding apparatus
JP4008548B2 (ja) * 1997-09-26 2007-11-14 日本自働精機株式会社 函成形装置
SE0003625L (sv) * 2000-10-09 2002-04-10 Norden Pac Dev Ab Anordning i förpackningsmaskin
DE10100968A1 (de) * 2001-01-11 2002-07-18 Rovema Gmbh Vorrichtung zum Entnehmen flacher Gegenstände
DE10108951A1 (de) 2001-02-23 2002-09-05 Rovema Gmbh Vorrichtung zum Aufrichten von Faltschachteln
DE10218019A1 (de) * 2002-04-23 2003-11-06 Bosch Gmbh Robert Vorrichtung zum Aufrichten einer Faltschachtel
DE102005018391A1 (de) * 2005-04-20 2006-10-26 Uhlmann Pac-Systeme Gmbh & Co Kg Vorrichtung zum Entnehmen, Transportieren, Aufrichten und Einsetzen von Faltschachteln
US7329218B2 (en) * 2005-09-16 2008-02-12 Raymond George Montague Kisch Feed apparatus and method for feeding blanks into container forming machines
DE102006045478A1 (de) * 2006-09-22 2008-04-10 Emil Pester Gmbh Faltschachtelabzug für Verpackungsmaschine
DE102009050092A1 (de) * 2009-10-20 2011-04-21 Iwk Verpackungstechnik Gmbh Übergabevorrichtung zur Übergabe einer Faltschachtel
SE534767C2 (sv) * 2010-04-27 2011-12-13 Norden Machinery Ab Kartongmatningssystem för en transportbana samt metod för att samtidigt mata ett flertal kartonger till transportbanan
SE535306C2 (sv) * 2010-04-27 2012-06-26 Norden Machinery Ab Kartongmatningsanordning för ett transportband samt en metod för att mata en kartong till ett transportband
ITMO20130328A1 (it) * 2013-12-02 2015-06-03 Bortolin Kemo Spa Macchina per il posizionamento di falde di una scatola

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225666A (en) * 1963-06-26 1965-12-28 Fmc Corp Flap folding apparatus
FR1455164A (fr) * 1965-06-18 1966-04-01 Compiegne Atel Const Machine automatique de formage de cartons
US3509681A (en) * 1966-08-25 1970-05-05 Fmc Corp Cartoning machine and method
US3956976A (en) * 1974-10-04 1976-05-18 Crompton & Knowles Corporation Apparatus for expanding and transferring a carton
US4275644A (en) * 1979-04-25 1981-06-30 Moss Machinery Manufacturers, Inc. Dual flap carton erecting machine
US4537587A (en) * 1983-08-09 1985-08-27 H. J. Langen & Sons Limited Carton opening mechanism
JPS6317007U (fr) * 1986-07-15 1988-02-04
IT208306Z2 (it) * 1986-09-15 1988-05-28 Ft Group Srl Formatrice automatica di scatole di cartone.
US5102382A (en) * 1989-08-25 1992-04-07 Recot, Inc. Method and apparatus for closing bottom end flaps of a carton
DE3941866A1 (de) * 1989-12-19 1991-06-20 Bosch Gmbh Robert Vorrichtung zum ueberfuehren flacher gegenstaende
DE69106814T2 (de) * 1990-08-22 1995-06-22 Shibuya Kogyo Co Ltd Apparat zum Aufrichten von Schachtelzuschnitten.

Also Published As

Publication number Publication date
DE4243139A1 (de) 1994-06-23
EP0603562A1 (fr) 1994-06-29
US5573490A (en) 1996-11-12
DE59305496D1 (de) 1997-03-27
JPH06218849A (ja) 1994-08-09
JP3466248B2 (ja) 2003-11-10

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