EP1380407B1 - Machine pour rainurer et plier des feuilles en carton - Google Patents

Machine pour rainurer et plier des feuilles en carton Download PDF

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Publication number
EP1380407B1
EP1380407B1 EP03005231A EP03005231A EP1380407B1 EP 1380407 B1 EP1380407 B1 EP 1380407B1 EP 03005231 A EP03005231 A EP 03005231A EP 03005231 A EP03005231 A EP 03005231A EP 1380407 B1 EP1380407 B1 EP 1380407B1
Authority
EP
European Patent Office
Prior art keywords
creasing
bar
unit
sheet
machine
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
EP03005231A
Other languages
German (de)
English (en)
Other versions
EP1380407A2 (fr
EP1380407A3 (fr
Inventor
Giorgio Petratto
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1380407A2 publication Critical patent/EP1380407A2/fr
Publication of EP1380407A3 publication Critical patent/EP1380407A3/fr
Application granted granted Critical
Publication of EP1380407B1 publication Critical patent/EP1380407B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • 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
    • 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
    • B31F1/0003—Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor
    • B31F1/0006—Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof
    • B31F1/0009—Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof of plates, sheets or webs
    • B31F1/0012—Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof of plates, sheets or webs combined with making folding lines
    • 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
    • B31B50/252—Surface scoring using presses or dies
    • 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

Definitions

  • This invention is concerned with a creasing-folding machine for cardboard sheets for the manufacture of folders, covers and the like.
  • GB-A-2068843 shows a tool for creasing and cutting board material used as file cover, comprising transverse male and female creasing members.
  • JP-A-11267417 discloses a creasing apparatus for treating filter medium comprising a first and a second creasing-unit each unit continuously forming transverse creases on a web, whereas the creases are formed alternately on top and on the bottom of the web
  • DE-U-9204944 shows a creasing-folding machine comprising a single creasing-unit which continuously forms transverse creases on a web, wherein the second creasing unit forms creases in a direction opposite to creases formed by the first creasing unit.
  • US-A-3866523 discloses a single creasing unit of a creasing-folding machine comprising a pair of transverse male shaping bars for forming a pair of creases, the two shaping bars being arranged in opposite directions, one shaping bar forming a crease inside of a panel the other one forming a crease outside of the panel.
  • Creasing-folding machines where the sheets are forwarded by a sheet-feeder to a creasing station, where the sheets are pressed between a male shaping member and a corresponding female member in order to provide wrinkles or creases in the sheet, across its feeding direction.
  • the sheets are then transferred to a folding station, e.g. using fold plates, where folds are made along the creases.
  • a creasing-folding machine 10 comprises a feeding belt 12 supported on a pair of pulleys 14, 16, of which one is driven and the other is loose, with idle pressure rollers 18 acting to maintain the sheet against belt 12 during transport.
  • a pair of transport rollers 20, 22 are arranged one above the other.
  • the lower roller 20 is driven by a motor 24 by belt or chain transmission, while the upper roller 22 is idle at the ends of rods 26 and rests on the lower roller.
  • a sheet detector 28 is arranged at the output of rollers 20, 22.
  • a first creasing unit 30 comprising a vertically movable, transverse shaping bar 32, and respective toggle linkages 34, hinged to the opposite ends of bar 32, are driven by respective hydraulic jacks 36 acting horizontally on the hinges between the rods of each toggle 34.
  • An abutting bar 38 is arranged opposite bar 32 and has a groove 40 complementary to bar 32.
  • a second creasing unit 130 is arranged downstream of the first creasing unit 30.
  • the second creasing unit is equivalent to the first but is capsized with respect to it, so that the positions of transverse shaping bar 132, of the respective driving means 134, 136 and of the abutting bar 138 are inverted.
  • bar 32 is above bar 38 in the first creasing unit, while bar 132 is beneath bar 138 in the second creasing unit.
  • a driven transport belt 42 Downstream of the last creasing unit a driven transport belt 42 is arranged, which is able to pick a sheet and transfer it to a folding station of a known type, e.g. using fold plates, not shown.
  • the operation of the machine is controlled by a control unit, not shown, which may be programmed by an operator.
  • Transport belt 12 feeds the sheet, which is then picked by transport rollers 20, 22.
  • Detector 28 detects the exact position of the sheet and, depending on the operator's settings, adjusts the speeds and stops of the rollers and the timing of the strokes of shaping bars 32, 132, which, by abutting against bars 38, 138, form the creases.
  • By suitably adjusting the strokes of one or the other of both creasing units transverse creases can be obtained which are not only distanced by the desired length from each other, but also have concavities alternatively directed to one or the other side of the sheet, depending on requirements.
  • Fig. 3 shows, by way of example, a folder C made by the machine of the invention.
  • the folder has a pair of inside creases 44, 46, defining its spine 48, and a pair of outside creases 50, 52, having opposite concavity and defining the boards 54, 56.
  • toggle linkage 34, 134 with respect to the respective driving jacks 36, 136 it is possible to obtain, by a single forward (or backward) stroke of the piston, a full downward and upward cycle of the respective bar 32, 132, with obvious advantages in the throughput of the machine.
  • two toggles at the ends of each shaping bar 32, 132 rather than a single, centrally-arranged toggle, the deformation of the bar during impact can be reduced, and the smoothness of the crease is consequently improved.
  • the control unit can easily manage the creases by using one or the other creasing unit, since the units are distanced by a fixed length, for which it is easy to account in the adjustment of the speed and the stop times of the rollers and the timing of the strokes of the bars.
  • the driven rollers 20, 22 can drag the sheet during the entire creasing process, without having to provide further feeding means, and the machine has substantially the same size of known machines having a single creasing unit.
  • both the materials used and the dimensions may be arbitrary, depending on requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Making Paper Articles (AREA)

Claims (3)

  1. Machine pour rainurer et plier (10) comprenant, en succession : une unité d'alimentation en feuilles (12), des rouleaux motorisés d'avancement de feuille (20, 22), une première unité de rainurage (30) comprenant une première barre transversale de formage (32), verticalement déplaçable sous l'action de premiers moyens d'actionnement et une première barre d'aboutement (38), opposée à ladite première barre de formage (32) et cannelée de manière complémentaire à celle-ci, et une courroie de transfert (42) pour envoyer la feuille vers une station de pliage successive caractérisée en ce qu'elle comprend en outre une deuxième unité de rainurage (130) située entre la première unité de rainurage (30) et la courroie de transfert (42), ladite deuxième unité de rainurage comprenant une deuxième barre transversale de formage (132), verticalement déplaçable sous l'action de deuxièmes moyens d'actionnement (134, 136), et une deuxième barre d'aboutement (138), opposée à ladite deuxième barre de formage (132) et cannelée de manière complémentaire à celle-ci, la deuxième unité de rainurage étant agencée pour former une rainure dans une direction opposée à une rainure formée par la première unité de rainurage.
  2. Machine selon la revendication 1, caractérisée en ce que lesdits premiers et deuxièmes moyens d'actionnement comprennent au moins une tringlerie à genouillère (34, 134) à action verticale reliée à un vérin hydraulique (36, 136) agissant horizontalement sur la charnière entre les bielles de chaque tringlerie à genouillère (34, 134).
  3. Machine selon la revendication 2, caractérisée en ce qu'elle comprend, pour chacune desdites barres de formage (32, 132), deux tringleries à genouillère reliées aux extrémités respectives longitudinalement opposées des barres (32, 132).
EP03005231A 2002-07-09 2003-03-10 Machine pour rainurer et plier des feuilles en carton Expired - Lifetime EP1380407B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002TO000131U ITTO20020131U1 (it) 2002-07-09 2002-07-09 ,,macchina cordonatrice-piegatrice di fogli di cartoncino,,
ITTO20020131U 2002-07-09

Publications (3)

Publication Number Publication Date
EP1380407A2 EP1380407A2 (fr) 2004-01-14
EP1380407A3 EP1380407A3 (fr) 2006-10-04
EP1380407B1 true EP1380407B1 (fr) 2008-01-02

Family

ID=27621211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03005231A Expired - Lifetime EP1380407B1 (fr) 2002-07-09 2003-03-10 Machine pour rainurer et plier des feuilles en carton

Country Status (3)

Country Link
EP (1) EP1380407B1 (fr)
DE (1) DE60318360T2 (fr)
IT (1) ITTO20020131U1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2898072B1 (fr) * 2006-03-06 2009-06-05 Savoye Sa Procede et dispositif pour la realisation d'un emballage en carton de volume variable
ITTO20060836A1 (it) * 2006-11-24 2008-05-25 Giorgio Petratto Macchina per la realizzazione di articoli di materiale in foglio
IT1395665B1 (it) * 2009-09-02 2012-10-16 Petratto Unita' cordonatrice per la lavorazione di sbozzati di materiale in foglio
CN102744912A (zh) * 2012-08-23 2012-10-24 杭州彼特环保包装有限公司 一种纸袋的纸张连续压痕（压线）装置
ITUB20150325A1 (it) * 2015-03-03 2016-09-03 Giorgio Petratto Dispositivo pressore a rotelle per macchine piegatrici-incollatrici.
CN104999699B (zh) * 2015-07-28 2017-12-01 方贞祥 一种小型纸箱用纸板压痕装置
ITUB20152764A1 (it) * 2015-08-03 2017-02-03 Giorgio Petratto Procedimenti per la cordonatura e taglio di materiali in fogli.
CN113733657A (zh) * 2021-09-30 2021-12-03 重庆安卡自动化工程有限公司 纸板压线控制***及其方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866523A (en) * 1973-05-30 1975-02-18 Lancaster Research And Dev Cor Method and apparatus for forming bulk containers from articulatable composite panels
GB2068843A (en) * 1980-02-02 1981-08-19 Olympic Varnish Co Ltd Shaping the edges of board material
DE9204944U1 (de) * 1992-01-15 1992-06-17 Delbag-Luftfilter Gmbh, 1000 Berlin Kerbwalze und Maschine zur Herstellung von variablen Plissierungen auf Papier, Filtermaterial o.ä. Medien, mittels eines speziellen Kerbwalzenpaares
JPH11267417A (ja) * 1998-03-23 1999-10-05 Nippon Muki Co Ltd フィルタ用濾材の製造方法

Also Published As

Publication number Publication date
ITTO20020131V0 (it) 2002-07-09
EP1380407A2 (fr) 2004-01-14
DE60318360D1 (de) 2008-02-14
DE60318360T2 (de) 2009-01-08
EP1380407A3 (fr) 2006-10-04
ITTO20020131U1 (it) 2004-01-09

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