EP0977700A2 - Procede et dispositif pour le pliage transversal de cahiers d'imprimerie - Google Patents

Procede et dispositif pour le pliage transversal de cahiers d'imprimerie

Info

Publication number
EP0977700A2
EP0977700A2 EP98931960A EP98931960A EP0977700A2 EP 0977700 A2 EP0977700 A2 EP 0977700A2 EP 98931960 A EP98931960 A EP 98931960A EP 98931960 A EP98931960 A EP 98931960A EP 0977700 A2 EP0977700 A2 EP 0977700A2
Authority
EP
European Patent Office
Prior art keywords
folding
fold
cylinder
clamping element
izzy
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.)
Granted
Application number
EP98931960A
Other languages
German (de)
English (en)
Other versions
EP0977700B1 (fr
Inventor
Horst Bernhard Michalik
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0977700A2 publication Critical patent/EP0977700A2/fr
Application granted granted Critical
Publication of EP0977700B1 publication Critical patent/EP0977700B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/163—Details of folding jaws therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/166—Rotary folders with folding jaw cylinders having an adjustable circumference

Definitions

  • the invention relates to a method for cross-folding signatures according to the preamble of claims 1 and 4 and an associated device.
  • cross-fold products can only be produced up to 96 newspaper pages / otherwise the inner and outer parts of the cross-fold product will be damaged.
  • the invention is based on the object / to a method and an associated apparatus for manufacturing to create a transverse fold.
  • cylindrical pre-rebate clamping elements of the pre-rebate clamping element system with a mouth-like effect means that the side surfaces of the pre-rebate clamping gap connected to the pre-rebate nip are treated without damage.
  • the pre-folding of the prefabricated product is carried out up to 192 pages without damage due to the use of folding rollers.
  • Figure 1 is a cross section through a schematic representation of a folder. 2 shows a cross section through an enlarged schematic illustration of a prefitting element / which has just received a transverse fold product;
  • Fig. 3 shows a longitudinal section III - III of FIG. 1 / wherein only one end of a prefabricated element is shown with a central control of the prefabricated element systems.
  • the cross-cutting and Q uerfalze nraum 18 has a known two-part / that is, with two cutting blades 19 provided cutting cylinder 21 on / in turn, against a known five-part folding blade, Nutological- andillonurzy li nde r 22 - or transport and Falzmesserz l Direction mentioned - is working.
  • This cylinder 22 has five folding knives and folding knife fittings 23 / arranged on its circumference. Grooved strips 24 and puncture systems 26.
  • the cross cutting and cross folding device 18 also has a rotary body / z. B. a Vorf a Izzy cylinder 27 with a number n, z. B. three / five or seven, but preferably five, uniformly distributed on its circumference 42 pre-fold clamping element systems 28 / which each cooperate with the folder armatures 23 of the cylinder 22 (Fig. 1).
  • Each of the pre-fold clamping element systems 28 consists of a number m of two to ten adjacent to one another in the axis-parallel direction of the pre-fold Izzy linders 27 and maul-like pairs 29 of folding jaw-like pre-fold clamping elements 31; 32.
  • the ends of the shafts 34; 36 are mounted in the side walls 33 of the prefabrication 27 and are mutually connected by means of shaft segments 37; 38 or gears synchronized.
  • At the center of the shaft 34; 36 is a torsion bar spring 39; 41 used.
  • One end of the torsion bar spring 39; 41 is with the shaft 34; 46 connected; the other end of the torsion bar 39; 41 is fixed in a not shown l tensioning device.
  • This tensioning device is located on the outside of the non-visible side wall / which lies opposite the side wall 33.
  • Each pre-fold clamping element 31; 32 is formed with a thickening at its end near the periphery and on the side connected to the pre-folded product.
  • the shaft 34 carries finger-like / spring-elastic carriers 43 directed radially in the direction of the periphery 42 of the prefix 27, and spaced apart from one another at a distance a.
  • Each carrier 43 carries at its end near the periphery an axially parallel direction to the prefix 27 running cylindrical thickening 46. the end of the pre-folding clamping elements 31 acting on the folded product; 32 protrudes in comparison to the carrier 43.
  • the second shaft 36 carries in the same way top support 44, each with a cylindrical top section 47.
  • the top support 43; 44 with the on pieces 46; 47 each work as pairs 29 of pre-fold clamping elements 31; 32 together.
  • the shaft 34 is rotatably on the shaft end with the clamping point of the torsion bar 39, a control arm 49.
  • the control arm 49 has at its torsionally distal end a roller 51st on, which runs on a known side gesture control curve 52.
  • Rotation axes 53; 54 of Vorf a Izzy linders 27 and the folding knife, slot bar and NOTEurzy li nders 22 are by means of an imaginary central 56 and the axis of rotation 54 is spaced by means of an imaginary centers 57 to an axis of rotation 58 of the cutting cylinder 21. Below these centers 56; 57, the cylinder 22 is surrounded with the most paper guide rods 59.
  • the Vorf a Izzy li nder 27 are two between the side frames 8; 9 resiliently mounted folding rollers 61, also belonging to the cross-cutting and cross-folding device 18; 62 to finish folding the printed products.
  • the transport of pre-folded printed products between the pre-cylinder 27 and the folding rollers 61; 62 takes place by means of two interacting belt systems 63; 64.
  • the tapes of the first tape system 63 are on the circumference 42 of the prefabricating device 27 in between the pairs 29 of prefolding clamping elements 31; 32 located grooves 66 and a part of the circumference of the first folding roller 61.
  • the pre-fold cylinder 27 opposite the periphery 42 Secant-like surface 67 extending in the axis-parallel direction (FIG. 2). This surface 67 has between the closed pairs 29 of the pre-fold clamping elements 31; 32 a depth t which is greater than twice the radius r of the thickenings 46; 47th
  • a secant-like surface 77 extending in the axis-parallel direction to the transport and folding knife cylinder 22 is provided in each case at the point at which folding knives 23 are arranged.
  • the second belt system 64 is guided above and to the side of the prefabricated cylinder 27, partly by means of belt guide rollers 68, around the prefabricated cylinder 27 and around the second folding roller 62. Both belt systems 63; 64 interact with each other.
  • the clear distance between the two folding rollers 61; 62 can be adjusted according to the thickness of the transverse fold product by means of a known Fa Izwa Izen-Spa It e rste l Lei nricht 74. Both folding rollers 61; 62 are therefore resiliently mounted against each other in a known manner to temporarily thicken folding products, z. B. after changing and connecting paper webs to compensate.
  • cylinder 22; 27 are between the inlet the strands of paper 14; 16 and the second belt system 64 be tenste l Ifeste paper guide rods 70 arranged.
  • FIG. 8 shows a known paddle wheel 69 with a known printed product ejection system 71 for displaying the transverse fold products on a delivery belt 72.
  • the delivery belt 27 is preceded by a guide belt 73 located laterally on the paddle wheel 69 in the vertical direction.
  • Pre-fold clamping elements 31; 32 is adjustable by means of the shape of the cam track 52.
  • the control cam track 52 In order to set the product thickness of the signatures 78 to be pre-folded, the control cam track 52, viewed in the axial direction in cross section, has a width f which corresponds to a multiple width g of the roller track.
  • the control cam track 52 has an increase in cross section, ie over a thickness of the control cam 84, which increases in the direction of the side frame 8.
  • the control cam 8 is formed in the shape of an actual bottom and is displaceably arranged in the axial direction E of the preassembly 27.
  • the control cam 84 has a central bore and is laterally fastened to a sleeve-shaped control curve 86, an inner diameter of the central bore and an inner diameter of the control curve 86 being the same and both parts 84; 86 are preferably formed in one piece (Fig. 3).
  • the control cam carrier 86 is arranged together with the control cam 84 coaxially on a side-mounted bearing bushing 87, which in turn accommodates a shaft journal 88 of the prefabricated cylinder 27 in a ball bearing 89 inside.
  • the sleeve-like part of the cam carrier 86 has on its lateral surface 91 an external thread 92 and is by means of z. B. a feather key 93 on the cam carrier 86 against rotation and ax i a l ve rschi ebba r stored.
  • An internal thread sleeve 94 is engaged with the external thread 92 of the control curve 86 and is connected in one piece to a guide ring 96 on its side side.
  • the guide ring 96 is rotatably supported with its inner tread on the outer surface 91 of the control rage rs 86 and is z. B. by means of a two-part se i tengest l l fixed retaining ring 97, which engages in a circumferential surface 98 in the annular groove 99, secured against axial displacement.
  • the internal thread sleeve 94 has on its outer surface 98 a toothing 101, which, for. B. is connected by means of a toothed belt 102 to a toothed pulley 103 of a ten ten l if first motor 104. It is rotatably coupled to the motor 104 with a deer angle encoder 106. If the pre-folding nip 81 is to be changed due to the changed thickness of another folding product, the internal thread sleeve 94 is rotated by means of the drive 104 to 101, so that the cam carrier 86 is thereby moved in the axial direction E. Is the roller 51 on the Steue r curve 52 in another, z. B. higher position than shown in Fig. 3, the width of the pre-fold nip 81 is reduced.
  • control roller 51 can also have a tapered actual shape and thus adapt to the slope of the control cam track 52.
  • the slope of the cam track 52 corresponds to a height of the stroke of the control roller 51.
  • Fa Izk lappenzy was able to adjust its width.
  • control cam track 52 can also be arranged in a fixed manner and the control arm 49 carrying the roller 51 can be adjustable in the axial direction on the spindle or the torsion bar spring 41. It is essential, however, that the cam track 52, which is inclined with respect to the axis of rotation 53 of the prefabrication 27, is arranged so as to be relatively displaceable relative to the cam roller 51.
  • the roller 51 located on the control arm 49, the axis of rotation 108 of which runs at right angles to the longitudinal axis of the control arm can also run on a control cam track, seen in cross-section, in the axial direction 53 of the pre fa Izzy li nde rs 27.
  • the cylindrical support roller serves to support the axial forces generated by the cam.
  • a procedure for cross-folding signatures is as follows.
  • FIG. 2 shows a position D of the cylinders 22; 27, in which both the pre-fold clamping elements 31; 32 and the folding knife 23 have already passed through the center 56 by an angle of rotation alpha.
  • the pre-fold clamping elements 31 close; 32 like pliers, or mouth-like, and form a pre-fold 83 on the signature 78.
  • Vorfalz-nip 81 counterclockwise gerreh direction B of the transport and forme cylinder 22 pulled out of the leading part 79 of the signature 78 (see also DE 195 33 064 A1).
  • the pre-fold 83 is beyond an imaginary contact line of the two thickenings 46; 47 and within the two pre-fold clamping elements 31; 32 designed as a bead.
  • the radius r of a thickening 46; 47 smaller than the depth of penetration of a folding knife 23 into a pre-folding nip 81.
  • Counterclockwise rotation C is the non-visible first pre-fold product between the two belt systems 63; 64 added.
  • the belt systems 63 separate approximately half a revolution of the prefabricating cylinder 27 after the prefolding process; 64 of the prefabricating cylinder 27 (not shown in FIG. 1), the first belt system 63 the prefolding product when the prefolding clamping elements 31; 32 has just lifted out on its pre-fold 83 and subsequently both tape systems 63; 64 the pre-folding product the folding rollers 61; Feed 62 to finish folding.
  • the finished folded printed product is transferred to the paddle wheel 69 and subsequently placed on the delivery belt 72.
  • the advantages of pre-folding in two-stage cross folding are that due to the rounding of the peripheral parts of the pre-clamping elements for the signature, a larger support distance between the folding knife and
  • Pre-fold clamping element is present than in known jaw systems. Due to this larger support distance and the rounding of the peripheral parts, thick folded products can be damaged and with less force than can be introduced into the pre-fold clamping gap in the case of the conventional folding jaw systems.
  • the rounded pre-fold clamping elements protect the outer layers of the folded product due to their large contact area. The inner layers of the folded product are protected by the fact that the folding knife can unwind over the rounded pre-fold clamping elements without pinching the pre-fold product.
  • the punctures are additionally moved back into the pre-fold clamping gap by an amount of the penetration depth of the folding knife when retracting relative to the leading edge of the leading part of the signature.
  • E Movement Direction (84, 86) a distance (47, 47; 46, 46) f width (84) g width (51) m number (28) n number (29) r radius (46; 47) t depth (67)

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour le pliage transversal de cahiers d'imprimerie destinés à des produits pliés fins et épais, sans endommager lesdits produits. Les cahiers pénètrent dans un système d'éléments de préhension pour pliage préalable, au moyen d'une lame de pliage. Le système précité saisit les cahiers pour former une pliure préalable. Le produit préalablement plié est ensuite immobilisé, transporté et acheminé à une paire de cylindres de pliage rotatifs pour le pliage définitif.
EP98931960A 1997-04-21 1998-04-21 Procede et dispositif pour le pliage transversal de cahiers d'imprimerie Expired - Lifetime EP0977700B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19716628A DE19716628C2 (de) 1997-04-21 1997-04-21 Verfahren und Vorrichtung zum Querfalzen von Signaturen
DE19716628 1997-04-21
PCT/DE1998/001107 WO1998047804A2 (fr) 1997-04-21 1998-04-21 Procede et dispositif pour le pliage transversal de cahiers d'imprimerie

Publications (2)

Publication Number Publication Date
EP0977700A2 true EP0977700A2 (fr) 2000-02-09
EP0977700B1 EP0977700B1 (fr) 2001-07-11

Family

ID=7827168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98931960A Expired - Lifetime EP0977700B1 (fr) 1997-04-21 1998-04-21 Procede et dispositif pour le pliage transversal de cahiers d'imprimerie

Country Status (6)

Country Link
US (1) US6234947B1 (fr)
EP (1) EP0977700B1 (fr)
JP (1) JP2000510427A (fr)
DE (2) DE19716628C2 (fr)
RU (1) RU2184071C2 (fr)
WO (1) WO1998047804A2 (fr)

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
US6602177B2 (en) * 2000-06-28 2003-08-05 Grant Muir Machine for producing aluminum foil sheets for hair coloring
DE10058758A1 (de) * 2000-11-27 2002-05-29 Heidelberger Druckmasch Ag Falzklappenanordnung an exemplarverarbeitenden Falzzylindern
JP3442062B2 (ja) 2001-06-11 2003-09-02 株式会社東京機械製作所 折畳部の咥え装置
DE50109439D1 (de) * 2001-09-03 2006-05-18 Grapha Holding Ag Verfahren zur wenigstens teilweise taktgebundenen Herstellung gebundener Druckerzeugnisse wie Bücher, Zeitschriften oder dgl.
US20030092551A1 (en) * 2001-11-14 2003-05-15 Roland Boss Methods and apparatus for scoring and trimming imaged sheet media
JP3697694B2 (ja) * 2002-05-09 2005-09-21 株式会社東京機械製作所 輪転機の折部の咥え装置
ITFI20030037A1 (it) * 2003-02-12 2004-08-13 Perini Fabio Spa Macchina piegatrice per la produzione di manufatti in foglio,
DE102006032874A1 (de) * 2006-07-15 2008-01-24 Man Roland Druckmaschinen Ag Gesteuerte vorlaufende Falzklappe
DE102006061052A1 (de) 2006-12-22 2008-07-03 Maschinenfabrik Wifag Falzklappenzylinder
CN101670954B (zh) * 2009-10-13 2012-09-05 全利机械股份有限公司 纤维制品折叠机台及其折叠方法
ITFI20130235A1 (it) * 2013-10-10 2015-04-11 Rent Srl Gruppo di piegatura per prodotti in foglio
US10449746B2 (en) 2016-06-27 2019-10-22 C. G. Bretting Manufacturing Co., Inc. Web processing system with multiple folding arrangements fed by a single web handling arrangement

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DE2146013A1 (de) 1971-09-15 1973-03-22 Dornier Ag Einrichtung zum laengsfalzen von papierbogen
US4159823A (en) * 1977-08-12 1979-07-03 Wood Industries, Inc. Multiple product folder
DE3143243C2 (de) 1981-10-31 1985-10-24 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Falzapparat mit einer Bandleitung zur Bogenführung
DE4120630C1 (fr) 1991-06-22 1992-11-05 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4215911C2 (de) * 1992-05-14 1996-01-04 Wifag Maschf Falzklappen-Zylinder
DE4344622A1 (de) * 1993-12-24 1995-06-29 Koenig & Bauer Ag Räderfalzapparat für eine Rotationsdruckmaschine
DE4344620A1 (de) * 1993-12-24 1995-06-29 Koenig & Bauer Ag Räderfalzapparat
DE19542695A1 (de) 1994-12-09 1996-06-13 Heidelberger Druckmasch Ag Falzapparat mit einer Produkthalteeinrichtung
EP0734989B1 (fr) 1995-03-25 2002-01-09 Koenig & Bauer Aktiengesellschaft Appareil pour mettre en mouvement des aiguilles de perforation
DE19533064C2 (de) * 1995-03-25 2000-11-23 Koenig & Bauer Ag Verfahren zum Bewegen von Punkturnadeln
FR2752231B1 (fr) * 1996-08-06 1998-11-20 Heidelberg Harris Sa Cylindre sur lequel passent des feuilles et comportant un dispositif de guidage d'elements de travail executant des mouvements de sortie

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See references of WO9847804A2 *

Also Published As

Publication number Publication date
DE19716628A1 (de) 1998-10-29
RU2184071C2 (ru) 2002-06-27
US6234947B1 (en) 2001-05-22
DE19716628C2 (de) 2000-11-23
EP0977700B1 (fr) 2001-07-11
WO1998047804A2 (fr) 1998-10-29
JP2000510427A (ja) 2000-08-15
DE59801003D1 (de) 2001-08-16
WO1998047804A3 (fr) 1999-01-28

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