EP0977700B1 - Procede et dispositif pour le pliage transversal de cahiers d'imprimerie - Google Patents

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

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Publication number
EP0977700B1
EP0977700B1 EP98931960A EP98931960A EP0977700B1 EP 0977700 B1 EP0977700 B1 EP 0977700B1 EP 98931960 A EP98931960 A EP 98931960A EP 98931960 A EP98931960 A EP 98931960A EP 0977700 B1 EP0977700 B1 EP 0977700B1
Authority
EP
European Patent Office
Prior art keywords
folding
cylinder
clamping
fold
paper
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
EP98931960A
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German (de)
English (en)
Other versions
EP0977700A2 (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

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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 of Signatures according to the preamble of claims 1 and 4 and an associated device.
  • cross-fold products can only up to 96 newspaper pages can be produced because otherwise the inner and outer parts of the Cross fold product to be damaged.
  • DE-OS 21 46 013 describes a device for Longitudinal folding of paper sheets.
  • sheets of paper between a rotating circular folding knife and an annular groove of a circumferential pre-folding cylinder pre-folded and then from a pair of tapes finished folded.
  • DE 41 20 630 C1 discloses a device for Cross folding of webs of a rotary printing press. Here is a for introducing a first cross fold Folding knife cylinder and a folding jaw cylinder arranged.
  • the invention has for its object a method and an associated device for producing a To create cross fold.
  • the Cross-cutting and cross-folding device 18 has one known two-part, d. H. with two cutting knives 19 provided cutting cylinder 21, which in turn against a known five-part folding knife, Groove strip and pin cylinder 22 - or also Called transport and folding knife cylinder - works.
  • This cylinder 22 has five on its circumference arranged folding knives and folding knife fittings 23, Grooved strips 24 and puncture systems 26.
  • the cross cutting and cross folding device 18 has continue a rotating body, e.g. B. one Prefolding cylinder 27 with a number n, z. B. three, five or seven, but preferably five in uniform Distributed distances around its circumference 42 Prefold clamping element systems 28, each with the folding blade fittings 23 of the cylinder 22 cooperate (Fig. 1).
  • a rotating body e.g. B. one Prefolding cylinder 27 with a number n, z. B. three, five or seven, but preferably five in uniform Distributed distances around its circumference 42
  • Prefold clamping element systems 28 each with the folding blade fittings 23 of the cylinder 22 cooperate (Fig. 1).
  • Each of the pre-fold clamping element systems 28 consists of a number m of two to ten are in axially parallel Direction of the pre-folding cylinder 27 side by side and spaced from each other by a clear distance a arranged jaw-like pairs 29 of folding jaw-like pre-fold clamping elements 31; 32.
  • the ends of the Waves 34; 36 are in the side walls 33 of the Vorfalzzylinders 27 stored and are together by means of shaft segments 37; 38 or Synchronized gears.
  • At the center of the shaft 34; 36 is a torsion bar spring 39; 41 used.
  • One each End of the torsion bar 39; 41 is with the shaft 34; 46 connected; the other end of the torsion bar 39; 41 is fixed in a tensioning device, not shown.
  • This tensioning device is located on the outside the side wall, not shown, that of the side wall 33 opposite.
  • Each pre-fold clamping element 31; 32 is on his end near the periphery and at the end with the pre-folded product related side with a thickening educated.
  • the shaft 34 carries radially in the direction Periphery 42 of the pre-folding cylinder 27 directed, finger-like resilient carrier 43.
  • Each carrier 43 supports its end near the periphery in an axially parallel Direction to the pre-folding cylinder 27 cylindrical Thickening 46. the one that acts on the folded product End of the pre-fold clamping elements 31; 32 is compared to the carrier 43.
  • the second shaft 36 carries in the same way Top support 44, each with a cylindrical Attachment piece 47.
  • the attachment support 43; 44 with the Top pieces 46; 47 each work as pairs 29 of Pre-fold clamping elements 31; 32 together.
  • the shaft 34 is located rotatably on the shaft end with the clamping point of the Torsion bar spring 39 a control arm 49.
  • the control arm 49 has a roller 51 at its end remote from the torsion bar on which is fixed on a known side frame Cam track 52 expires.
  • Rotation axes 53; 54 of the pre-folding cylinder 27 and the Folding knife, grooved and pin cylinder 22 are by means of an imaginary central 56 and the The axis of rotation 54 is by means of an imaginary control center 57 to an axis of rotation 58 of the cutting cylinder 21 spaced. Below these centers 56; 57 is the Cylinder 22 with side frame-fixed paper guide rods 59 surrounded.
  • the pre-folding cylinder 27 are two between the Side frames 8; 9 spring-loaded, also to the cross-cutting and cross-folding device 18 associated folding rollers 61; 62 to finish folding the Subordinate print products.
  • the transportation of pre-folded printed products between the pre-folding cylinder 27 and the folding rollers 61; 62 takes place by means of two interacting belt systems 63; 64.
  • the bands of the first band system 63 are on the circumference 42 of the pre-folding cylinder 27 in between the pairs 29 of Pre-fold clamping elements 31; 32 grooves 66 and part of the circumference of the first folding roller 61 guided.
  • the Pre-folding cylinder 27 opposite the periphery 42 secant-like, parallel to the axis extending surface 67 (Fig. 2).
  • This area has 67 between the closed pairs 29 the Pre-fold clamping elements 31; 32 a depth t which is greater is as twice the radius r of the thickenings 46; 47.
  • the second belt system 64 is above and to the side of the Pre-folding cylinder 27 by means of tape guide rollers 68 partly around the pre-folding cylinder 27 and around the second Folding roller 62 guided. Both belt systems 63; 64 act together.
  • the clear distance between the two folding rollers 61; 62 is according to the thickness of the cross fold product a known folding roller gap adjustment device 74 adjustable. Both folding rollers 61; 62 are therefore in known manner resiliently mounted against each other to without prejudice at times a thickening of folded products, e.g. B. after the change and the connection of Paper webs to compensate.
  • cylinder 22; 27 are between the inlet the strands of paper 14; 16 and the second belt system 64 side frame-fixed paper guide rods 70 arranged.
  • FIG. 8 shows a known paddle wheel 69 with a known one Printed product ejection system 71 for displaying the Cross fold products arranged on a delivery belt 72.
  • the delivery belt 27 is on the side on the paddle wheel 69 in in the vertical direction upstream.
  • the opening width of the pairs 29 of Pre-fold clamping elements 31; 32 is by means of the shape of the Cam track 52 adjustable.
  • 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 incline 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 frustoconical and is arranged to be displaceable in the axial direction E of the pre-folding cylinder 27.
  • the control cam 84 has a central bore and is laterally fastened to a sleeve-shaped control cam carrier 86, an inner diameter of the central bore and an inner diameter of the control cam carrier 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 bearing bush 87 fixed to the side frame, which in turn accommodates a shaft journal 88 of the pre-folding cylinder 27, mounted 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 axially displaceable.
  • the inner threaded sleeve 94 has on its outer surface 98 a toothing 101, which z. B. by means of a Timing belt 102 with a pulley 103 side frame fixed motor 104 is connected. With the Motor 104 is non-rotatable with a rotary encoder 106 coupled.
  • the Cam track 52 also arranged fixed to the side frame and the control arm 49 carrying the roller 51 can be opened the spindle or the torsion bar spring 41 in the axial Direction adjustable.
  • the axis of rotation 53 of the pre-folding cylinder 27 inclined cam track 52 relative to cam roller 51 is slidably arranged.
  • the Control arm 49 located roller 51, the Rotation axis 108 perpendicular to the longitudinal axis of the Control arm runs, even on one in cross section seen, flat, in the axial direction 53 of the Vorfalzzylinders 27 extending cam track expire.
  • the cylindrical support roller serves to support the force the axial forces generated by the control cam.
  • a procedure for cross-folding signatures is as follows. From the stacked paper strands 14; 16, with the cooperation of the cutting cylinder 21 on the folding knife, grooved and pin cylinder 22, signatures 78 are cut, which are recorded on their leading edge in the running direction B of the cylinder 22 of a leading part 79 of the signature 78 by means of the puncture systems 26 and a pre-fold clamping elements System 28 of the pre-folding cylinder 27 are supplied. Each signature 78, collected or not collected, is pushed into a pre-fold clamping gap 81 of the pre-fold clamping element system 28 by means of a folding knife 23 located on the cylinder 22.
  • 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 pliers-like, or mouth-like, and form a pre-fold 83 on the signature 78.
  • the pre-fold 83 beyond an imaginary line of contact between the two Thickenings 46; 47 and within the two Pre-fold clamping elements 31; 32 designed as a bead.
  • the radius r is one Thickening 46; 47 less than the penetration depth of one Folding knife 23 in a pre-fold nip 81.
  • Prefold product between the two belt systems 63; 64 added.
  • the tape systems 63; 64 from the pre-folding cylinder 27 (in 1)) the first belt system 63 the pre-fold product with the pre-fold clamping elements open 31; 32 has just lifted 83 on its pre-fold and both belt systems 63; 64 the pre-fold product the folding roller 61; Feed 62 to finish folding.
  • the advantages of pre-folding in two-stage cross folding in that by rounding the peripheral parts the pre-fold clamping elements for the signature a larger one Support distance between folding knife and Pre-fold clamping element is present than in known ones Folding jaw systems. Because of this larger support distance and the rounding of the peripheral parts can be thick Folded products without damage and with less force than with the conventional jaw systems in the Pre-fold nip are introduced.
  • the rounded Pre-fold clamping elements protect due to their large size Contact area the outer layers of the folded product. The Inner layers of the folded product are protected that the folding knife over the rounded Pre-fold clamping elements can unwind without doing that Pinch the pre-fold product.

Landscapes

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

Claims (17)

  1. Procédé de pliage transversal de signatures ou cahiers d'imprimerie (78), caractérisé en ce que les signatures (78) sont munies d'un pli préliminaire (83), à l'aide d'élément de serrage de pliage préliminaire (31, 32) du genre de volets de pliage, en ce qu'ensuite le produit ayant subi le pliage préliminaire (78, 82, 83) est amené à une paire de rouleaux de pliage (61, 62) rotatifs pour effectuer le pliage final.
  2. Procédé selon la revendication 1, caractérisé en ce que, pendant l'introduction de la signature (78) dans le système à éléments de serrage de pliage préliminaire (28), des ardillons de pointure d'un système de transport (26) tournant dans le sens inverse du sens de rotation (B) d'un cylindre de transport et à lame de pliage (22) sont extraits hors de la signature (78).
  3. Procédé selon les revendications 1 et 2, caractérisé en ce que les produits ayant subi le pliage préliminaire (83 ; 79 ; 82) sont sortis hors des éléments de serrage de pliage préliminaire (31 ; 32) ouverts et sont amenés au rouleaux de pliage (61 ; 62), au moyen d'un système de guidage de papier (63 ; 64).
  4. Dispositif de pliage transversal de signatures ou cahiers d'imprimerie (78), au moyen d'un cylindre de transport et à lame de pliage (22), caractérisé en ce qu'un cylindre de pliage préliminaire, muni de systèmes à éléments de serrage pour pliage préliminaire (28) montés dessus, du genre de volets de pliage, pour réaliser un produit ayant subi le pliage préliminaire (83 ; 82 ; 79), est associé au cylindre de transport et à lame de pliage (22) et une paire de rouleaux de pliage (61 ; 62), prévus pour assurer la finition du pliage du produit ayant subi le pliage préliminaire (83 ; 82 ; 79), sont disposés en aval du rouleau de pliage préliminaire (27).
  5. Dispositif selon la revendication 4, caractérisé en ce qu'une pluralité (n) de systèmes à éléments de serrage pour pliage préliminaire (28), s'étendant dans la direction parallèle à l'axe du cylindre de pliage préliminaire (27), sont disposés sur le périphérique (42) du cylindre de pliage préliminaire (27).
  6. Dispositif selon les revendications 4 à 5, caractérisé en ce que chaque système à élément de serrage de pliage préliminaire (28) est constitué d'une pluralité (m) de paires (29) d'éléments de serrage à pliage préliminaire (31 ; 32), coopérant ensemble à la façon d'un bec, placés les uns à côté des autres et espacés d'une distance axiale (a).
  7. Dispositif selon la revendications 6, caractérisé en ce que les éléments de serrage à pliage préliminaire (31 ; 32) sont chacun disposés les uns à côté des autres et de façon espacée (a) sur un arbre (34, 36), en ce que les deux arbres (34 ; 36) sont reliés ensemble à leurs extrémités, chaque fois de façon rigide par rapport à la paroi latérale, dans le cylindre de pliage préliminaire (27) chaque fois à l'aide de dispositifs de synchronisation (37 ; 38).
  8. Dispositif selon la revendication 6, caractérisé en ce que l'élément de serrage de pliage préliminaire (31 ; 32) est de configuration arrondie sur son extrémité proche de la périphérie ainsi que sur la face mise en liaison avec le produit ayant subi le pliage préliminaire (79 ; 82 ; 83)
  9. Dispositif selon la revendication 6, caractérisé en ce que l'élément de serrage de pliage préliminaire (31 ; 32) est chaque fois constitué d'un support (43 ; 44) du genre d'un doigt, élastique, avec un épaississement (46 ; 47) s'étendant en forme de cylindre, proche de la périphérie ainsi que parallèle à l'axe.
  10. Dispositif selon la revendication 9, caractérisé en ce que le rayon (r) d'un épaississement (46 ; 47) est inférieur à la profondeur de pénétration d'une lame de pliage (23) dans un intervalle de serrage de pliage préliminaire (81).
  11. Dispositif selon la revendication 9, caractérisé en ce que le support (43 ; 44) et l'épaississement (46 ; 47) sont réalisés d'une seule pièce.
  12. Dispositif selon la revendication 6, caractérisé en ce qu'au moins l'un des arbres (34 ou 39 ; 36 ou 41) du système à élément de serrage à pliage préliminaire (28) est relié à une commande à came (49 ; 51 ; 52).
  13. Dispositif selon la revendication 7, caractérisé en ce que le dispositif de synchronisation (37 ; 38) est constitué de segments dentés (37 ; 38) montés rigidement sur l'arbre, s'engrenant entre eux.
  14. Dispositif selon les revendications 6 et 12, caractérisé en ce qu'à l'intérieur de l'arbre (34 ; 36) est disposé un ressort à barre de torsion (39 ; 41) relié à une extrémité à l'arbre (34 ; 36), en ce que le ressort à barre de torsion (39 ; 41) est fixé, de façon susceptible d'être pré-contraint à l'autre extrémité, dans une paroi latérale du cylindre de pliage préliminaire (27).
  15. Dispositif selon la revendication 4, caractérisé en ce qu'un système de guidage de papier (63 ; 64) est disposé entre le cylindre de pliage préliminaire (27) et les rouleaux de pliage (61 ; 62).
  16. Dispositif selon la revendication 15, caractérisé en ce que le système de guidage de papier (63 ; 64) est constitué d'un premier système à bande (63), guidé sur le cylindre de pliage préliminaire (27) et autour du premier rouleau de pliage (61)
  17. Dispositif selon la revendication 15, caractérisé en ce que le guidage de papier (63 ; 64) est constitué d'un deuxième système à bande (64), guidé autour des rouleaux de guidage de bande (68) ainsi qu'autour du deuxième rouleau de pliage (62).
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
DE19716628 1997-04-21
DE19716628A DE19716628C2 (de) 1997-04-21 1997-04-21 Verfahren und Vorrichtung zum Querfalzen von Signaturen
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 EP0977700A2 (fr) 2000-02-09
EP0977700B1 true 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
CA2351264C (fr) * 2000-06-28 2009-11-03 Grant Muir Machine pour produire des feuilles de papier d'aluminium pour la coloration capillaire
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
EP1288015B1 (fr) * 2001-09-03 2006-04-05 Grapha-Holding AG Méthode pour la production, au moins en partie synchronisée, de produits reliés comme livres, magazines ou similaires
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

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DD80044A (fr) *
DE80044C (fr)
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
DE4344620A1 (de) * 1993-12-24 1995-06-29 Koenig & Bauer Ag Räderfalzapparat
DE4344622A1 (de) * 1993-12-24 1995-06-29 Koenig & Bauer Ag Räderfalzapparat für eine Rotationsdruckmaschine
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

Also Published As

Publication number Publication date
RU2184071C2 (ru) 2002-06-27
EP0977700A2 (fr) 2000-02-09
DE59801003D1 (de) 2001-08-16
DE19716628A1 (de) 1998-10-29
WO1998047804A3 (fr) 1999-01-28
US6234947B1 (en) 2001-05-22
DE19716628C2 (de) 2000-11-23
JP2000510427A (ja) 2000-08-15
WO1998047804A2 (fr) 1998-10-29

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