EP0855356B1 - Cylindres de pliage pour un dispositif de pliage longitudinal - Google Patents

Cylindres de pliage pour un dispositif de pliage longitudinal Download PDF

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Publication number
EP0855356B1
EP0855356B1 EP98100599A EP98100599A EP0855356B1 EP 0855356 B1 EP0855356 B1 EP 0855356B1 EP 98100599 A EP98100599 A EP 98100599A EP 98100599 A EP98100599 A EP 98100599A EP 0855356 B1 EP0855356 B1 EP 0855356B1
Authority
EP
European Patent Office
Prior art keywords
folding
intermediate ring
printed copy
circumferential
ring
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
EP98100599A
Other languages
German (de)
English (en)
Other versions
EP0855356A2 (fr
EP0855356A3 (fr
Inventor
Frank Schmieder
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0855356A2 publication Critical patent/EP0855356A2/fr
Publication of EP0855356A3 publication Critical patent/EP0855356A3/fr
Application granted granted Critical
Publication of EP0855356B1 publication Critical patent/EP0855356B1/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
    • B65H45/161—Flying tuck folders

Definitions

  • the invention relates to the folding rollers of a device for longitudinal folding the preamble of claim 1.
  • DE 38 36 342 A is a device for longitudinal folding of at least one Once the printed copy has been folded by means of a print copy between the Folding rollers pressing folding knife known.
  • the folding rollers have a first circumferential section forming the fold and subsequently one second circumferential section with recesses and residual surfaces, the The remaining areas fix the printed copy during further transport, as is then at least one folding roller except for that for the Conveyor belt system required guides with a lengthways direction continuous, completely releasing the printed copy from the folding rollers Recess equipped.
  • the invention has for its object to fold a device for To create longitudinal folds according to the preamble of claim 1, which is high Folding speed enables unbalance and for processing Print copies of different section lengths are easily convertible. This object is solved by the characterizing features of claim 1.
  • the one for different section lengths of the printed copy in different Available split intermediate ring is available in conjunction with the axial Slidability of the adjacent pull ring with little effort Can be easily mounted radially on the respective folding roller. It is for high Folding speeds required freedom from unbalance of the folding rollers in any case given since both the one with the fold bar for the smallest section length equipped folding roller without intermediate ring as well as the respective intermediate ring with the section of the folded strip which is all the way apart are unbalanced.
  • the manufacturing effort for the few recesses is also Folding rollers relatively small, especially mainly with the width through cutouts equipped with axially attachable pull ring and Intermediate ring can be efficiently manufactured separately from the rest of the roller body can.
  • Fig. 1 shows a folding knife 1 of a folding drum 2 in the folding position in which it a not shown, folded at least once, in time on the folding table 3 printed copy fed and slowed down to zero stops between two with a fold bar 4; 5 equipped folding rollers 6; 7 presses. The folded printed copy is then between the folding rollers 6; 7 partially wrapping conveyor belts 8; 9 led downwards.
  • folding roller 6; 7 consists of an axis 10 with a base body 11, a centrally divided, radially attachable to the axis Intermediate ring 12 and two pull rings laterally delimiting the roller body 13; 14, of which the pull ring 13 adjacent to the intermediate ring 12 is axial is slidably disposed on the axis 10.
  • the fold bar 4 radially screwed to the base body 11; 5 continuously arranged for which the base body 11 and the intermediate ring 12 with a axially parallel groove 15 (Fig. 4) are equipped.
  • the Basic body 11 and the fold bar 4 5 annular, continuous incisions 16; 17 for guiding the conveyor belts 8; 9.
  • the folding roller 6; 7 has a first circumferential section U 1 which forms the fold of the printed copy and which is formed from the fold bar 4; 5 and in each case a first peripheral section of the pull rings 13; 14 exists.
  • At least one folding roller is provided, at least in the edge region R 1 cooperating with the open side of the printed copy, with one completely of the folded rollers 6; 7 releasing recess Au equipped, which in each case is composed of a third peripheral section of the intermediate ring 12 and the adjacent pull ring 13. This prevents damage to the printed copy due to the "whip effect" on the particularly vulnerable corner of the open side of the printed copy.
  • the recess Au can, however, also on the edge region R 2 cooperating with the closed side of the printed copy, as shown by the dash-dotted line in FIGS. 3, the third circumferential section of the opposite pull ring 14 and a section of the base body 11 adjacent to it are extended in order to exclude damage to both corners of the printed copy with certainty.
  • the only loose guidance of the printed copy outside the edge areas R 1 ; R 2 wrinkling in this area is not loose guidance of the printed copy outside the edge areas R 1 ; R 2 wrinkling in this area.
  • the folding rollers 6; 7 allow processing of Printed copies of different section lengths Al.
  • the Intermediate ring 12 and the fold bar 4; 5 in different versions with the Width B or length L corresponding to the respective section length Al interchangeable.
  • Unbalance of the folding roller 6; 7 to ensure this is with a folding strip 4, which closes on both sides with the base body 11; 5 for the smallest section length Al of the printed copy and the pull rings 13; 14, but without the intermediate ring 12 and the respective intermediate ring 12 with the proportion of the folding strip 4 based on its width B; 5 for yourself separately unbalanced.
  • the intermediate ring 12 is made for mass compensation for the recess Au Made of aluminum with a relatively low density and has this adjacent to recess Au cavities 21, which with a balancing mass 22 made of steel are filled with a relatively high density.
  • the intermediate ring 12 in its half opposite the cutout Au several the mass reducing cavities 23 (Fig. 4). With the latter cavities 24 too the respective recessed pull ring 13; 14 equipped (Fig. 5).

Landscapes

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

Claims (7)

  1. Rouleaux plieurs (6, 7) d'un dispositif pour plier longitudinalement un document imprimé, plié au moins une fois, au moyen d'une lame de pliage (1) repoussant le document imprimé entre les rouleaux plieurs (6, 7)
    avec un premier secteur circonférentiel (U1) des rouleaux plieurs (6, 7) qui forme le pli,
    avec un deuxième secteur circonférentiel (U2) des rouleaux plieurs (6, 7) qui, après le pliage, stabilise le document imprimé au cours du transport ultérieur,
    avec un troisième secteur circonférentiel d'au moins un rouleau plieur (6, 7), qui est muni d'au moins un évidement (Au) libérant complètement le document imprimé des rouleaux plieurs (6, 7),
       caractérisés en ce que
    le premier secteur circonférentiel (U1), qui forme le pli, est constitué par une baguette de pliage (4; 5) s'étendant le long du rouleau plieur (6; 7), parallèlement à son axe, et reliée à ce dernier, de façon interchangeable entre différents modèles de longueur de subdivision variable, ainsi que par des tronçons circonférentiels respectifs, d'axe parallèle à cette baguette de pliage, de deux anneaux de traction (13; 14) adjacents latéralement à la baguette de pliage (4; 5) et saisissant le document imprimé au niveau des bords,
    le deuxième secteur circonférentiel (U2), qui stabilise le document imprimé, est constitué par des deuxièmes tronçons circonférentiels respectifs des anneaux de traction (13; 14) et par un deuxième tronçon circonférentiel, d'axe parallèle à celui de ces derniers et contigu dans le sens circonférentiel à la baguette de pliage (4; 5) insérée dans une rainure (15), d'au moins un anneau intermédiaire divisé (12), pouvant être monté radialement suivant différents modèles de longueur de subdivision variable, ainsi que par un deuxième tronçon circonférentiel, contigu là encore à la baguette de pliage insérée, d'un corps de base (11) du rouleau plieur (6; 7), le diamètre de l'anneau intermédiaire (12) et du corps de base (11) étant alors légèrement réduit par rapport au diamètre des anneaux de traction (13; 14) en évitant une compression du document imprimé, mais en garantissant néanmoins son entraínement au cours du transport ultérieur,
    l'évidement (Au) libérant le document imprimé est situé au moins dans une première région de bord (R1) d'au moins un rouleau plieur (6; 7), qui coopère avec le côté ouvert du document imprimé devant être plié une fois encore et qui est composée au moins de troisièmes tronçons circonférentiels respectifs de l'anneau intermédiaire (12) et de l'anneau de traction (13) voisin de ce dernier,
    l'anneau de traction (13), voisin de l'anneau intermédiaire (12), est fixé avec une possibilité de coulissement coaxial sur le rouleau plieur (6; 7),
    le rouleau plieur (6; 7), complété d'une baguette de pliage (4, 5) correspondant à la plus petite longueur de subdivision du document imprimé et contiguë latéralement au corps de base (11) du rouleau plieur (6; 7), ainsi que des anneaux de traction (13; 14), mais sans l'anneau intermédiaire (12), et l'anneau intermédiaire respectif (12) associé à une longueur de subdivision déterminée (A1), y compris la portion, se retrouvant sur ce dernier, de la baguette de pliage (4; 5), sont dépourvus individuellement de tout balourd.
  2. Rouleaux plieurs (6, 7) selon la revendication 1, caractérisés en ce que l'anneau intermédiaire (12) est, dans la région de l'évidement (Au), pourvu d'au moins une cavité (21), qui est garnie d'une masse d'équilibrage (22) d'un poids volumique plus élevé que celui de l'anneau intermédiaire (12).
  3. Rouleaux plieurs (6, 7) selon la revendication 2, caractérisés en ce que l'anneau intermédiaire (12) est réalisé en aluminium et la masse d'équilibrage (22), en acier.
  4. Rouleaux plieurs (6, 7) selon l'une des revendications 1 à 3, caractérisés en ce que l'anneau intermédiaire (12), au moins, est revêtu de céramique.
  5. Rouleaux plieurs (6, 7) selon l'une des revendications 1 à 4, caractérisés en ce que l'anneau de traction (13) et l'anneau intermédiaire (12), en vue de la compensation de la masse manquant du fait de la formation de l'évidement (Au), sont chacun pourvus, sur leur moitié opposée à l'évidement (Au), d'au moins une cavité (23; 24).
  6. Rouleaux plieurs (6, 7) selon l'une des revendications 1 à 5, caractérisés en ce que l'anneau de traction (13; 14) et l'anneau intermédiaire (12) sont traversés, à l'intérieur de perçages traversants parallèles à l'axe, disposés en symétrie, par des vis (20) s'engageant dans des perçages taraudés du corps de base (11) du rouleau plieur (6; 7).
  7. Rouleaux plieurs (6, 7) selon l'une des revendications 1 à 6, caractérisés en ce que l'évidement s'étend en plus sur la deuxième région de bord (R2), opposée dans une direction parallèle à l'axe, du rouleau plieur (6), qui est composée des troisièmes tronçons circonférentiels respectifs de l'autre anneau de traction (14) et d'une partie du corps de base (11), voisine de ce dernier, et qui coopère avec le côté fermé du document imprimé devant être plié encore une fois.
EP98100599A 1997-01-23 1998-01-15 Cylindres de pliage pour un dispositif de pliage longitudinal Expired - Lifetime EP0855356B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702252A DE19702252A1 (de) 1997-01-23 1997-01-23 Falzwalzen einer Vorrichtung zum Längsfalzen
DE19702252 1997-01-23

Publications (3)

Publication Number Publication Date
EP0855356A2 EP0855356A2 (fr) 1998-07-29
EP0855356A3 EP0855356A3 (fr) 1999-03-31
EP0855356B1 true EP0855356B1 (fr) 2000-08-16

Family

ID=7818107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98100599A Expired - Lifetime EP0855356B1 (fr) 1997-01-23 1998-01-15 Cylindres de pliage pour un dispositif de pliage longitudinal

Country Status (2)

Country Link
EP (1) EP0855356B1 (fr)
DE (2) DE19702252A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7914433B2 (en) 2007-09-24 2011-03-29 Goss International Montataire Sa Folding roller and corresponding folding device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19956248A1 (de) * 1999-11-23 2001-05-31 Heidelberger Druckmasch Ag Vorrichtung zum Falzen flächiger Exemplare
DE10304534A1 (de) * 2003-02-04 2004-08-05 Man Roland Druckmaschinen Ag Falzwalze einer Falzvorrichtung und Verfahren zu ihrer Herstellung
DE102007062863A1 (de) * 2007-12-21 2009-06-25 Heidelberger Druckmaschinen Ag Einrichtung zum Verspannen von Wellen
FR2935292B1 (fr) 2008-09-01 2010-10-29 Goss Int Montataire Sa Rouleau de traitement d'un produit plat, dispositif de traitement et procede d'assemblage.
DE102014007495A1 (de) 2014-05-23 2015-11-26 Manroland Web Systems Gmbh Falzwalze mit gummielastischen Einlagen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668135A (en) * 1922-08-08 1928-05-01 Wood Newspaper Mach Corp Folding roll for paper-folding machines
US4530690A (en) * 1983-10-17 1985-07-23 Rockwell International Corporation Newspaper fold roller
JPH042934Y2 (fr) * 1986-03-28 1992-01-30
DE3836342A1 (de) * 1988-10-25 1990-04-26 Wifag Maschf Vorrichtung zur herstellung eines zusaetzlichen falzes in falzapparaten von rotationsdruckmaschinen
IT1243198B (it) * 1990-08-03 1994-05-24 Vigano & C Giovanni Plastiver Dispositivo e procedimento per lo schiacciamento di fogli in fase di piegatura.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7914433B2 (en) 2007-09-24 2011-03-29 Goss International Montataire Sa Folding roller and corresponding folding device

Also Published As

Publication number Publication date
DE19702252A1 (de) 1998-07-30
EP0855356A2 (fr) 1998-07-29
EP0855356A3 (fr) 1999-03-31
DE59800233D1 (de) 2000-09-21

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