EP0586970B1 - Folding device for rotary web printing press - Google Patents
Folding device for rotary web printing press Download PDFInfo
- Publication number
- EP0586970B1 EP0586970B1 EP19930113618 EP93113618A EP0586970B1 EP 0586970 B1 EP0586970 B1 EP 0586970B1 EP 19930113618 EP19930113618 EP 19930113618 EP 93113618 A EP93113618 A EP 93113618A EP 0586970 B1 EP0586970 B1 EP 0586970B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- cutting
- collecting cylinder
- knife
- folding device
- 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
Links
Images
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
- B65H45/167—Rotary folders with folding jaw cylinders having associated sheet guide means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
- B41F13/56—Folding or cutting
- B41F13/60—Folding or cutting crosswise
-
- 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
- B65H45/28—Folding in combination with cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2192—Endless conveyor
Definitions
- the invention relates to a folder for web-fed rotary printing presses according to the preamble of claim 1.
- a variable folder for web-fed rotary printing presses is known from DE-PS 16 11 292.
- the folding apparatus has a knife cylinder arranged on the collecting cylinder, between which a product fed via pulling rollers and guide tongues is cut and subsequently passed on to a folding jaw cylinder via a belt line lying against the collecting cylinder.
- the collecting cylinder with its cutting groove, gripper and folding knife devices is adjustable in size, ie the individual functional units mentioned are adjustable in format. For this reason, speed differences arise as a result of a higher peripheral speed of the collecting cylinder, in particular when smaller formats are being processed, and the lower speed of the product strand being fed.
- the invention has for its object to provide a folder with a cutting cylinder acting against a collecting cylinder, between which a paper strand is fed via tension rollers for cutting under pretension, springing back of the remaining cross-cut paper web, in particular when using large format-length-adjustable collecting cylinders, is to be avoided .
- the arrangement of the tape line system prevents the end of the paper strand from springing back before the entry between the cutting cylinder and the collecting cylinder. Likewise, fold tolerances and "blockers" are prevented.
- the single figure shows a schematic cross section through the cylinder part of a folder according to the invention with a belt system in the inlet.
- the cylinder part of a folder consists of a collecting cylinder 1 and a cutting cylinder 2 interacting with it.
- the cutting cylinder 2 has two cutting knives 3 on its circumference and the collecting cylinder 1 has three or even five cutting groove, gripper and folding knife devices on its circumference, of which, however, only the counter-cutting grooves 4 and grippers 5 which cooperate with the cutting knives 3 are shown.
- the collecting cylinder 1 moves in the direction of arrow A.
- a paper strand 13 passes through known driven drawing rollers 6 in the direction of arrow B; 7 and meets a tape guide system, designated overall by 8, which is arranged above the cutting cylinder 2.
- the belt control system 8 consists of spindles or rollers 9; 10; 11; 12 guided endless belts 15 arranged side by side in the axial direction, by which the roller 11 is driven via the cutting cylinder 2.
- the belt guide system extends from the last pair of draw rollers 6; 7 to shortly before an entry point 16 between the cutting cylinder 2 and the collecting cylinder 1.
- a belt guide system, generally designated 17, has the rollers 10; 11; 12 and 18, the roller 18 viewed in the transport direction B of the paper strand in front of the pair of pull rollers 6; 7 is located.
- bands 19 arranged next to one another in the axial direction shown in dash-dot lines
- the roller 11 in turn assumes the drive function of the belt guide system 17.
- the belts 15; 19, which in the tape control systems 8; 17 are used alternatively, lie on the circumference of the collecting cylinder 1 with a small loop.
- Lines 21; 22 run in the radial direction on an outer surface of the collecting cylinder 1. These lines 21; 22 enclose an angle .alpha. If one draws straight lines from these in the radial direction, which pass through an axis of rotation 23 of the collecting cylinder 1.
- the angle ⁇ can be between 8 o and 40 o .
- one end of the paper strand 13 has a result of the abutment of the tape guide systems 8 or 17 in the region 21; 22 on the circumference of the collecting cylinder 1 and the arrangement of the roller 11 in the immediate vicinity of the inlet point 16 between the cylinders 1; 2 no longer possible to spring back.
Description
Die Erfindung betrifft einen Falzapparat für Rollen-Rotationsdruckmaschinen entsprechend dem Oberbegriff des Patentanspruches 1.The invention relates to a folder for web-fed rotary printing presses according to the preamble of claim 1.
Aus der DE-PS 16 11 292 ist ein variabler Falzapparat für Rollenrotationsdruckmaschinen bekannt. Der Falzapparat weist einen am Sammelzylinder angeordneten Messerzylinder auf, zwischen welchen ein über Zugwalzen und über Leitzungen zugeführtes Produkt geschnitten und nachfolgend über eine am Sammelzylinder anliegende Bandleitung zu einem Falzklappenzylinder weitergeleitet wird. Der Sammelzylinder mit seinen Schneidnut-, Greifer- und Falzmessereinrichtungen ist formateinstellbar, d. h. die genannten einzelnen Funktionseinheiten sind formateinstellbar. Aus diesem Grunde entstehen Geschwindigkeitsdifferenzen infolge einer größeren Umfangsgeschwindigkeit des Sammelzylinders, insbesondere wenn kleinere Formate bearbeitet werden, und der geringeren Geschwindigkeit des zugeführten Produktstranges. Eine solche Vorspannung des Papierstranges führt jedoch beim Schneiden derselben zur Entspannung der Papierbahn, was zu einem Herausspringen des geschnittenen Endes des Papierstranges aus der Einlauf- oder Klemmstelle zwischen Schneid- und Sammelzylinder führen kann. Auch die nach der DE-PS 16 11 292 zwischen den Zugwalzen und dem Einlauf der zwischen dem Messerzylinder und dem Sammelzylinder angeordneten Leitzungen können ein Zurückspringen der Papierbahn nicht gänzlich vermeiden, so daß es dadurch zu größeren Falztoleranzen oder sogar zu Störungen im Falzapparat infolge "Stopfern" kommen kann.A variable folder for web-fed rotary printing presses is known from DE-PS 16 11 292. The folding apparatus has a knife cylinder arranged on the collecting cylinder, between which a product fed via pulling rollers and guide tongues is cut and subsequently passed on to a folding jaw cylinder via a belt line lying against the collecting cylinder. The collecting cylinder with its cutting groove, gripper and folding knife devices is adjustable in size, ie the individual functional units mentioned are adjustable in format. For this reason, speed differences arise as a result of a higher peripheral speed of the collecting cylinder, in particular when smaller formats are being processed, and the lower speed of the product strand being fed. However, such pretensioning of the paper strand leads to relaxation of the paper web when it is cut, which can lead to the cut end of the paper strand jumping out of the inlet or clamping point between the cutting and collecting cylinders. Even after the DE-PS 16 11 292 between the pulling rollers and the inlet of the guide tongues arranged between the knife cylinder and the collecting cylinder cannot completely prevent the paper web from springing back, so that larger folding tolerances or even faults in the folding apparatus as a result of "blockages" can occur.
Der Erfindung liegt die Aufgabe zugrunde, einen Falzapparat mit einem gegen einen Sammelzylinder wirkenden Schneidzylinder zu schaffen, zwischen welche ein Papierstrang über Zugwalzen zum Schneiden unter Vorspannung zugeführt wird, wobei ein Zurückfedern der verbliebenen quergeschnittenen Papierbahn, insbesondere bei Verwendung großer formatlängeneinstellbarer Sammelzylinder, vermieden werden soll.The invention has for its object to provide a folder with a cutting cylinder acting against a collecting cylinder, between which a paper strand is fed via tension rollers for cutting under pretension, springing back of the remaining cross-cut paper web, in particular when using large format-length-adjustable collecting cylinders, is to be avoided .
Erfindungsgemäß wird diese Aufgabe durch das Kennzeichen des Patentanspruches 1 gelöst.According to the invention, this object is achieved by the characterizing part of patent claim 1.
Bei der Benutzung der Erfindung entstehen insbesondere folgende Vorteile. Durch die Anordnung des Bandleitungssystems wird ein Zurückfedern des Endes des Papierstranges vor dem Einlauf zwischen den Schneidzylinder und den Sammelzylinder vermieden. Desgleichen werden Falztoleranzen und "Stopfer" verhindert.The following advantages arise in particular when using the invention. The arrangement of the tape line system prevents the end of the paper strand from springing back before the entry between the cutting cylinder and the collecting cylinder. Likewise, fold tolerances and "blockers" are prevented.
Die Erfindung wird nachstehend an Hand zweier Ausführungsbeispiele näher erläutert.The invention is explained in more detail below using two exemplary embodiments.
Die einzige Figur zeigt einen schematischen Querschnitt durch den Zylinderteil eines erfindungsgemäßen Falzapparates mit Bandsystem im Einlauf.The single figure shows a schematic cross section through the cylinder part of a folder according to the invention with a belt system in the inlet.
Der Zylinderteil eines Falzapparates besteht aus einem Sammelzylinder 1 und einem mit diesem zusammenwirkenden Schneidzylinder 2. Der Schneidzylinder 2 weist an seinem Umfang zwei Schneidmesser 3 auf und der Sammelzylinder 1 weist an seinem Umfang jeweils drei oder auch fünf Schneidnut-, Greifer- und Falzmessereinrichtungen auf, von denen jedoch nur die mit den Schneidmessern 3 zusammenarbeitenden Gegenschneidnuten 4 sowie Greifer 5 dargestellt sind. Der Sammelzylinder 1 bewegt sich in Pfeilrichtung A. Ein Papierstrang 13 durchläuft in Pfeilrichtung B bekannte angetriebene Zugwalzen 6; 7 und trifft auf ein insgesamt mit 8 bezeichnetes Bandleitsystem, welches über dem Schneidzylinder 2 angeordnet ist. Das Bandleitsystem 8 besteht aus über Spindeln oder Walzen 9; 10; 11; 12 geführte endlose, in axialer Richtung nebeneinander angeordnete Bänder 15, von denen die Walze 11 über den Schneidzylinder 2 angetrieben wird. Das Bandleitsystem erstreckt sich von dem letzten Zugwalzenpaar 6; 7 bis kurz vor eine Einlaufstelle 16 zwischen dem Schneidzylinder 2 und dem Sammelzylinder 1. In einer zweiten Ausführungsform weist ein Bandleitsystem, insgesamt mit 17 bezeichnet, die Walzen 10; 11; 12 und 18 auf, wobei sich die Walze 18 in Transportrichtung B des Papierstranges gesehen vor dem Zugwalzenpaar 6; 7 befindet. Somit laufen in axialer Richtung nebeneinander angeordnete Bänder 19 (strichpunktiert dargestellt) auch zwischen dem Zugwalzenpaar 6; 7 hindurch. Die Walze 11 übernimmt wiederum die Antriebsfunktion des Bandleitsystems 17. Die Bänder 15; 19, welche in den Bandleitsystemen 8; 17 alternativ eingesetzt werden, liegen am Umfang des Sammelzylinders 1 mit einer geringen Umschlingung an.The cylinder part of a folder consists of a collecting cylinder 1 and a cutting
Der Beginn der Umschlingung des Sammelzylinders 1 durch die Bandleitsysteme 8; 17 in Produktlaufrichtung B ist mit einer Linie 21 und das Ende der Umschlingung ist mit einer Linie 22 gekennzeichnet.The beginning of the wrapping of the collecting cylinder 1 by the
Die Linien 21; 22 verlaufen in radialer Richtung auf einer Mantelfläche des Sammelzylinders 1. Diese Linien 21; 22 schließen einen Winkel α ein, wenn man von diesen jeweils Gerade in radialer Richtung zieht, die eine Rotationsachse 23 des Sammelzylinders 1 durchlaufen. Der Winkel α kann zwischen 8o und 40o liegen.
In Transportrichtung B des Papierstranges 13 gesehen, hinter der Arbeitskante von Schneidnuteinrichtung 4 und Messereinsatz 3, befindet sich eine zum Sammelzylinder 1 gleichlaufende bekannte Bandleitung 24, welche symbolisch dargestellt ist und die geschnittenen und von den Greifern 5 gehaltenen Stücke des Papierstranges 13 in Richtung eines Falzklappenzylinders 26 an den Sammelzylinder 1 andrückt. Der Sammelzylinder 1 ist formateinstellbar, so wie dies in der DE-PS 16 11 292 gezeigt wird. Der durch die Voreilung des Sammelzylinders 1 und der darunter angeordneten Bandleitung 24 entstehende Zug gibt der einlaufenden Papierbahn eine Vorspannung.Seen in the transport direction B of the
Nach einem erfolgten Querschneiden hat ein Ende des Papierstranges 13 infolge des Anliegens der Bandleitsysteme 8 oder 17 im Bereich 21; 22 am Umfang des Sammelzylinders 1 sowie der Anordnung der Walze 11 in der unmittelbaren Nähe der Einlaufstelle 16 zwischen den Zylindern 1; 2 keine Möglichkeit mehr zum Zurückfedern.After cross cutting has been carried out, one end of the
- 11
- SammelzylinderCollecting cylinder
- 22nd
- SchneidzylinderCutting cylinder
- 33rd
- SchneidmesserCutting knife
- 44th
- GegenschneidnutCounter-cutting groove
- 55
- GreiferGripper
- 66
- Zugwalze, angetriebeneDraw roller, driven
- 77
- Zugwalze, angetriebeneDraw roller, driven
- 88th
- BandleitsystemBelt guidance system
- 99
- Walze (8)Roller (8)
- 1010th
- Walze (8), (17)Roller (8), (17)
- 1111
- Walze (8), (17)Roller (8), (17)
- 1212th
- Walze (8), (17)Roller (8), (17)
- 1313
- PapierstrangStrand of paper
- 1414
- --
- 1515
- Bandtape
- 1616
- Einlaufstelle / KlemmstelleEntry point / clamping point
- 1717th
- BandleitsystemBelt guidance system
- 1818th
- Walze (17)Roller (17)
- 1919th
- Bandtape
- 2020th
- --
- 2121
- Linieline
- 2222
- Linieline
- 2323
- Rotationsachse (1)Rotation axis (1)
- 2424th
- BandleitungTape line
- 2525th
- --
- 2626
- FalzklappenzylinderJaw cylinder
- AA
- DrehrichtungDirection of rotation
- BB
- PfeilrichtungArrow direction
- αα
- Winkelangle
Claims (3)
- A folding device for web-fed rotary printing machines having a cutting knife of a knife cylinder (2) which acts against counter-cutting grooves in a collecting cylinder (1), a paper strand (13) which is supplied by way of draw rollers (6) and paper-guiding means being cut between the collecting cylinder (1) and the knife cylinder (2) and subsequently being passed on, over a belt guide (24) which bears against the collecting cylinder (1), to a folding jaw cylinder (26), characterized in that a belt guide system (17; 8) which begins directly in front of or behind the draw rollers (6; 7), bears on one side against the paper strand (13) on the cutting cylinder side (2), is in contact with the collecting cylinder (1) over an angle (α) of 20° to 40° and ends directly in front of an infeed point (16) of the cylinders (1; 2) is provided.
- A folding device according to Claim 1, characterized in that the belt guide system (8; 17) may be driven by means of a roller (11) driven by the cutting cylinder (2).
- A folding device according to Claims 1 and 2, characterized in that the collecting cylinder (1) is constructed as a collecting cylinder (1) which is adjustable in format, and in that it has cutting-groove, gripper and folding-knife means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19924229059 DE4229059C2 (en) | 1992-09-01 | 1992-09-01 | Folder for web-fed rotary printing machines |
| DE4229059 | 1992-09-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0586970A2 EP0586970A2 (en) | 1994-03-16 |
| EP0586970A3 EP0586970A3 (en) | 1994-05-25 |
| EP0586970B1 true EP0586970B1 (en) | 1996-10-23 |
Family
ID=6466910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19930113618 Expired - Lifetime EP0586970B1 (en) | 1992-09-01 | 1993-08-26 | Folding device for rotary web printing press |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5484379A (en) |
| EP (1) | EP0586970B1 (en) |
| JP (1) | JP2503368B2 (en) |
| DE (2) | DE4229059C2 (en) |
| RU (1) | RU2104876C1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19540148C1 (en) * | 1995-10-27 | 1997-04-24 | Windmoeller & Hoelscher | Separation of sheets of paper from continuously conveyed run |
| FR2759995B1 (en) * | 1997-02-26 | 1999-11-26 | Heidelberg Harris Sa | FOLDER OF A ROTARY PRINTING MACHINE |
| US6092804A (en) * | 1997-10-17 | 2000-07-25 | Heidelberger Druckmaschinen Ag | Apparatus for preventing jams in a folder of a printing press |
| FR2774024B1 (en) * | 1998-01-27 | 2000-04-14 | Heidelberger Druckmasch Ag | FOLDER OF A ROTARY PRINTING MACHINE |
| US6652437B1 (en) | 1999-12-28 | 2003-11-25 | Heidelberger Druckmaschinen Ag | Actuated product seizing element in a folder apparatus |
| US6843763B2 (en) * | 2001-12-13 | 2005-01-18 | Goss International Americas, Inc. | Folder cylinder with support plate |
| DE10204362A1 (en) * | 2002-02-02 | 2003-08-14 | Roland Man Druckmasch | Folder of a rotary printing press |
| DE10221794A1 (en) * | 2002-05-15 | 2003-11-27 | Heidelberger Druckmasch Ag | Folder in a web-fed rotary press |
| DE10344950A1 (en) * | 2003-09-27 | 2005-04-28 | Koenig & Bauer Ag | Cylinder with a cylinder body and at least one gripper |
| DE102004002348A1 (en) | 2004-01-16 | 2005-08-11 | Koenig & Bauer Ag | folding |
| FR2895386B1 (en) * | 2005-12-27 | 2008-04-04 | Goss Int Montataire Sa | FOLDING |
| US8002689B2 (en) * | 2006-03-06 | 2011-08-23 | Goss International Americas, Inc. | Folder with signature removal and slowdown process |
| DE102008012034A1 (en) * | 2008-02-29 | 2009-09-03 | Manroland Ag | Folding structure of a web-fed rotary printing press and method of operating the same |
| JP5508034B2 (en) * | 2010-01-09 | 2014-05-28 | ユニ・チャーム株式会社 | Cutting device |
| DE102012103729B4 (en) * | 2012-04-27 | 2022-09-08 | Manroland Goss Web Systems Gmbh | Printing machine and manufacturing process for printed products |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH477979A (en) * | 1967-11-03 | 1969-09-15 | Albert Schnellpressen | Variable folder for web-fed rotary printing machines |
| DE6925525U (en) * | 1969-06-26 | 1969-11-13 | Albert Schnellpressen | DEVICE FOR GUIDING AND TRANSPORTING THE PAPER TRACK SECTIONS IN THE FOLDING UNIT |
| SE382943B (en) * | 1974-09-12 | 1976-02-23 | Wifag Maschf | FALSE APPARATUS |
| US3999454A (en) * | 1975-10-20 | 1976-12-28 | George Hantscho Company, Inc. | Pinless feeder |
| DE3628411A1 (en) * | 1986-08-21 | 1988-02-25 | Frankenthal Ag Albert | FOLDING APPARATUS |
| JP2675565B2 (en) * | 1988-01-11 | 1997-11-12 | 三菱重工業株式会社 | Pinless folding method and device |
| US4983155A (en) * | 1988-04-18 | 1991-01-08 | Stobb Inc. | Paper web cutter |
| DE3904076A1 (en) * | 1989-02-11 | 1990-08-16 | Frankenthal Ag Albert | FOLDING APPARATUS |
| DE4120628A1 (en) * | 1991-06-22 | 1992-12-24 | Roland Man Druckmasch | DEVICE FOR CROSS-CUTING AND / OR PERFORATING TRACKS |
-
1992
- 1992-09-01 DE DE19924229059 patent/DE4229059C2/en not_active Expired - Fee Related
-
1993
- 1993-08-26 EP EP19930113618 patent/EP0586970B1/en not_active Expired - Lifetime
- 1993-08-26 DE DE59304274T patent/DE59304274D1/en not_active Expired - Fee Related
- 1993-08-31 JP JP21580893A patent/JP2503368B2/en not_active Expired - Lifetime
- 1993-08-31 RU RU93050374A patent/RU2104876C1/en active
- 1993-09-01 US US08/114,617 patent/US5484379A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59304274D1 (en) | 1996-11-28 |
| JPH06183641A (en) | 1994-07-05 |
| EP0586970A3 (en) | 1994-05-25 |
| RU2104876C1 (en) | 1998-02-20 |
| JP2503368B2 (en) | 1996-06-05 |
| DE4229059C2 (en) | 1996-07-11 |
| DE4229059A1 (en) | 1994-03-03 |
| EP0586970A2 (en) | 1994-03-16 |
| US5484379A (en) | 1996-01-16 |
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