EP0421083B1 - Cylindre à mâchoires pour machine à imprimer - Google Patents

Cylindre à mâchoires pour machine à imprimer Download PDF

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Publication number
EP0421083B1
EP0421083B1 EP90115007A EP90115007A EP0421083B1 EP 0421083 B1 EP0421083 B1 EP 0421083B1 EP 90115007 A EP90115007 A EP 90115007A EP 90115007 A EP90115007 A EP 90115007A EP 0421083 B1 EP0421083 B1 EP 0421083B1
Authority
EP
European Patent Office
Prior art keywords
folding
cylinder
jaw cylinder
cutting
gap
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
EP90115007A
Other languages
German (de)
English (en)
Other versions
EP0421083A2 (fr
EP0421083A3 (en
Inventor
Eckhard Schneider
Herbert Lutz
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 EP0421083A2 publication Critical patent/EP0421083A2/fr
Publication of EP0421083A3 publication Critical patent/EP0421083A3/de
Application granted granted Critical
Publication of EP0421083B1 publication Critical patent/EP0421083B1/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

Definitions

  • the invention relates to a folding apparatus with a cutting and folding bar having puncture and folding knife cylinder, on which a cutting cylinder equipped with knives is employed, and a folding jaw cylinder arranged downstream of the puncturing and folding knife cylinder.
  • stoppers or other accumulations of paper or a paper jam can occur in particular between the puncture and folding knife cylinder and the folding jaw cylinder since, for example, the printed copies which are cut on the puncturing and folding knife cylinder and held only by punctures or needles can be released, with one released copy can be torn away by subsequent copies, resulting in a jam or an accumulation of paper in the gap between the folding jaw cylinder and the puncture and folding knife cylinder (center A), which, as explained above, can lead to damage. Turning the sheets over can also cause such problems. To avoid the aforementioned dangers, it is also generally known to pivot a cylinder when stoppers or paper jams occur, so that the gap between the puncturing and folding knife cylinder and folding jaw cylinder becomes sufficiently large. However, monitoring and pivoting a cylinder is relatively complex and the response time is also relatively long.
  • the object of the present invention is to avoid the dangers or consequences of stoppers or a paper jam using simple and inexpensive means.
  • This object is achieved in that in the circumferential direction adjacent jaws of the jaw cylinder also pits or flats extending in the axial direction of the jaw cylinder are provided, in such a way that when the gap between the jaw cylinder and the puncture and folding knife cylinder a cutting bar or respectively a grooved bar is opposite a pit or a flat.
  • It is advantageous to cover the pits or flats by means of elastic elements, which are preferably arranged next to one another. These elements can be made from spring steel or from a suitable elastic plastic.
  • the puncture and folding knife cylinders are usually provided or equipped with a diameter adjustment which is guided in eccentrically mounted bolts, these segments can yield in the event of a paper jam in the center between the jaw cylinder and the puncturing and folding knife cylinders.
  • a stable construction is required due to the function of the grooved bar.
  • the grooved bar must provide an abutment or a support for the cutting bar if an arc is cut in each case with the aid of the cutting knife in the cutting cylinder.
  • the folding apparatus 1 shown in FIG. 1 is fed a printing material web 2 via pulling rollers 3, 4 in the usual way.
  • the printing material web 2 comes between a cutting cylinder 5 and a puncturing and folding knife cylinder 6.
  • the cutting cylinder 5 has two opposite knives 7 here.
  • the puncture and folding knife cylinder 6 is equipped on its periphery with several cutting strips 8 and punctures 9.
  • grippers can also be used within the scope of the invention in order to grasp the beginning of the supplied printing material web 2 each time before a copy is cut between a knife 7 and a cutting bar 8.
  • specimens are guided over a corresponding circumferential area of the puncturing and folding knife cylinder 6, after which, with the help of the folding knife 10 of the puncturing and folding knife cylinder 6, the folding takes place, in which the folding knife 10 is on the Puncture and folding knife cylinders 6 encounter specimens lying in jaws 13 of the adjacent or subordinate jaw cylinder 12.
  • the folded ones Specimens then get in the usual way along an arrow 15 into a paddle wheel 14 and from there onto a belt line 16.
  • the pits 18 or the flats 20 can be provided with elastic cover elements 19, 21, for example in the form of adjacent elements made of spring steel or from a suitable elastic plastic, so that the pits 18 or flats 20 extending in the longitudinal direction of the jaw cylinder 12 are virtually bridged.
  • the parts 13, 18, 19 which are present in triplicate were only provided once in FIG. 1 with reference numerals for reasons of space.
  • the length of the pits 18 or of the flats 20 in the circumferential direction of the jaw cylinder 12 can be determined by experiment or the longest possible circumferential section between two adjacent jaws 13 can be used to produce the pits 18, as is the case, for example, in the embodiment according to FIG 4 is the case. This ensures that any stoppers or accumulations of paper that occur can pass through the gap between the cylinders 6, 12 without the risk of damage.

Landscapes

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

Claims (2)

  1. Plieuse comportant un cylindre à pointures et couteaux plieurs (6), comportant une barrette de coupe (8) et un listeau de rainure (11) et contre lequel est appliqué un cylindre de coupe (5) équipé de couteaux (7), et comportant un cylindre à lames de pliage (12), disposé en aval du cylindre (6) à pointures et couteaux plieurs, caractérisée en ce qu'il est prévu des sillons (18) ou des méplats (20) qui s'étendent entre des lames de pliage (13), voisines dans la direction circonférentielle, du cylindre (12) à lames de pliage, également dans la direction axiale du cylindre (12) à lames de pliage de telle sorte que, lors du franchissement de la fente entre le cylindre (12) à lames de pliage et le cylindre (6) à pointures et couteaux plieurs, respectivement une barrette de coupe (8) ou un listeau de rainure (11) est disposé en vis-à-vis d'un sillon (18) ou d'un méplat (20).
  2. Plieuse selon la revendication 1, caractérisée en ce que les sillons (18) et le méplat (20) prévus sur le cylindre (12) à lames de pliage sont recouverts par des éléments élastiques (19,21), qui sont disposés côte-à-côte sous la forme de segments, lorsqu'on regarde dans la direction axiale du cylindre (12) à lames de pliage.
EP90115007A 1989-10-03 1990-08-04 Cylindre à mâchoires pour machine à imprimer Expired - Lifetime EP0421083B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3932931A DE3932931A1 (de) 1989-10-03 1989-10-03 Falzklappenzylinder fuer einen falzapparat
DE3932931 1989-10-03

Publications (3)

Publication Number Publication Date
EP0421083A2 EP0421083A2 (fr) 1991-04-10
EP0421083A3 EP0421083A3 (en) 1991-05-22
EP0421083B1 true EP0421083B1 (fr) 1994-02-02

Family

ID=6390718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90115007A Expired - Lifetime EP0421083B1 (fr) 1989-10-03 1990-08-04 Cylindre à mâchoires pour machine à imprimer

Country Status (4)

Country Link
EP (1) EP0421083B1 (fr)
JP (1) JPH03152061A (fr)
CA (1) CA2026240A1 (fr)
DE (2) DE3932931A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344622A1 (de) * 1993-12-24 1995-06-29 Koenig & Bauer Ag Räderfalzapparat für eine Rotationsdruckmaschine
US6250622B1 (en) * 1999-05-20 2001-06-26 Heidelberger Druckmaschinen Aktiengesellschaft Cylinder assembly for a folding apparatus of a rotary printing press
DE10332646B4 (de) * 2003-07-18 2005-11-03 Koenig & Bauer Ag Zylinder eines Falzapparates
DE102007019132B4 (de) * 2007-04-20 2011-07-07 manroland AG, 63075 Einsatz für einen Falzklappenzylinder
DE102017103523A1 (de) * 2017-02-21 2018-08-23 Manroland Web Systems Gmbh Einsatz für einen Falzklappenzylinder und Verfahren zum Herstellen eines Einsatzes für einen Falzklappenzylinder
DE102018108982A1 (de) * 2018-04-16 2019-10-17 Manroland Goss Web Systems Gmbh Klemmhebel zum Anbringen von Bearbeitungswerkzeugen an einem drehbar gelagerten Element einer Druckmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB396486A (en) * 1931-03-19 1933-08-10 Goss Printing Press Co Ltd Improvements in or relating to folding mechanisms for paper or similar sheets
SE309425B (fr) * 1966-03-15 1969-03-24 Winkler Fallert & Co Maschf
DE2011661B1 (de) * 1970-03-12 1971-07-15 Maschinenfabrik Augsburg Nuernberg Ag Falzmesszylinder für Rotationsdruckma schinen
DE3347719A1 (de) * 1983-12-31 1985-07-11 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Querfalzvorrichtung
DE3545295C1 (de) * 1985-12-20 1986-10-16 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Zugwalzenpaar fuer eine Rotationsdruckmaschine zum Transportieren von Bedruckstoffbahnen
DE3810439C1 (fr) * 1988-03-26 1989-08-10 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

Also Published As

Publication number Publication date
DE3932931A1 (de) 1991-04-11
EP0421083A2 (fr) 1991-04-10
JPH03152061A (ja) 1991-06-28
DE3932931C2 (fr) 1993-01-07
CA2026240A1 (fr) 1991-04-04
EP0421083A3 (en) 1991-05-22
DE59004497D1 (de) 1994-03-17

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