EP1156006A2 - Drum folder with a folding-knife cylinder - Google Patents
Drum folder with a folding-knife cylinder Download PDFInfo
- Publication number
- EP1156006A2 EP1156006A2 EP01107843A EP01107843A EP1156006A2 EP 1156006 A2 EP1156006 A2 EP 1156006A2 EP 01107843 A EP01107843 A EP 01107843A EP 01107843 A EP01107843 A EP 01107843A EP 1156006 A2 EP1156006 A2 EP 1156006A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- folding
- folding knife
- cylinder
- flexible element
- signature
- 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
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Classifications
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- 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
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- 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
- B65H45/164—Details of folding blades therefor
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- 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 present invention relates to a drum folder, in particular in a Web-fed rotary printing press, with a folding knife cylinder and two folding rollers according to the preamble of claim 1.
- the present invention relates to a folding knife cylinder with a Cylinder body and a folding knife arrangement according to the preamble of claim 10 and a method for folding signatures according to the preamble of claim 11.
- a continuous web of material e.g. Legs Paper web, printed.
- the material web is then cut into a cutting unit
- the folder is cut into signatures, which are then folded.
- One way to fold signatures is to use a drum folder, which includes a folding knife cylinder with folding knives that have a fold in the signature produce.
- the fold is transferred from one of the folding knives to two folding rollers form a nip and capture the signature along the fold, fix the fold and the folded product e.g. B. passed to a paddle wheel.
- a 2: 1 folder two are 180 ° apart spaced puncture needle arrangements are provided, which the respective leading Hold the edges of the products to be folded.
- a 3: 2 folder three are at 120 ° spaced-apart puncture needle arrangements are provided.
- the middle of a signature is also formed by means of folding knife arrangements in one of two folding rollers The nip is pushed so that a fold is created.
- Each folding knife assembly comprises a plurality of knives which are used to produce the Fold must pass through the surface of the cylinder and then again retracted or withdrawn so that they can pass through the folding rollers.
- the Knives of the folding knife assemblies are axially spaced apart and can, for. B. be designed as four knives arranged axially along the folding knife cylinder. For there is better support for the signature to be folded on the folding knife cylinder between the axially offset folding blades to the circumference of the To continue folding knife cylinder. It can e.g. B. five spaced bands be provided, which pass through the folding knife.
- the tapes are for changing the effective diameter of the folding knife cylinder adjustable to z. B. Signatures to be able to process different thicknesses.
- the tapes are e.g. B. on a block mechanism attached, which is adjustable under motor control.
- Each band is on the block mechanism adjustable so that different settings are possible for each band and the Bands are individually adjustable.
- An additional task of the present Invention is a folding knife cylinder with an easily adjustable variable Creating diameter.
- An inventive drum folder with a rotating folding knife cylinder and with two folding rollers, the folding blade cylinder being a cylinder body with a Has outer surface and a folding knife arrangement, is characterized by a flexible Element made to change an effective diameter of the folding knife cylinder is adjustable and has at least one opening by a folding knife Folding knife arrangement is passed through during a folding process to make a fold in one Form signature and hand over the signature to the folding rollers.
- the flexible element forms a solid cylinder outer surface around the folding knife, is only low assembly effort and easily adjustable according to the invention.
- the flexible Element will also advantageously the air circulation and the vacuum effect reduced in the folding knife cylinder, which can cause folding inaccuracies.
- the flexible element can advantageously be used as a flexible or flexible plate be formed which has at least one opening or recess.
- the flexible element in an advantageous manner as a stretchable or stretchable element, e.g. B. can be provided as a plate.
- the flexible or stretchable element can hereby in its shape or Curvature can be changed and different in different bending states Have radii of curvature.
- the flexible element is preferably on a first edge with a pivot axis connected to the cylinder body.
- an adjusting device can be provided with which the flexible element can be attached a second edge opposite the first edge is connected.
- the Actuating device can comprise a drive.
- the folding knife arrangement preferably comprises axially spaced apart Folding knife and the flexible element have a series of openings which are axially be passed through spaced knives.
- the passage of the at least one opening in the flexible element can be done in this way take place that the at least one folding knife of the folding knife arrangement makes a movement executes, the folding knife first on the inside of the flexible element is inside the folding knife cylinder, then through the opening in the flexible element moves, the folding edge of the folding knife on the other side of the flexible element reaches the outside of the folding knife cylinder and then is guided back through the opening in the flexible element, the Folding knife again under the surface of the flexible element formed by the Fold cylinder retracts.
- the folding knife cylinder can further comprise a second folding knife arrangement, which in Circumferential direction at a distance of 180 ° to the first folding blade arrangement is arranged.
- a second flexible element can be provided for the second folding blade arrangement.
- the flexible element is made of spring steel.
- the flexible element from any flexible or to produce stretchable material.
- the present invention provides a folding knife cylinder with a Cylinder body and a folding knife arrangement, which is characterized by a flexible element distinguishes that for changing the effective diameter of the folding knife cylinder is adjustable and has at least one opening, which by a folding knife the folding blade arrangement is passed through during a folding process.
- Such a folding knife cylinder according to the invention can advantageously be used in conventional Drum folder apparatus and thus its possible uses expand.
- the method according to the invention for folding signatures, with a signature on a folding knife cylinder is held, the fold in the signature by means of a folding knife generated and transferred to two folding rollers for fixing, is characterized by that the signature over a flexible, provided with at least one opening Element is held and that the signature by moving at least one Folding knife is folded through the at least one opening.
- the flexible element depending on the The thickness of the signature is adjusted.
- the flexible element can be one Pivot axis can be pivoted. This can be done by means of a movable Block mechanism take place, preferably the pivot axis at an edge of the flexible element is arranged and the block mechanism on the other edge of the flexible element is arranged.
- Fig. 1 is a schematic side view of a drum folder 10, the one Folding knife cylinder 12 and a cutting cylinder 11 comprises.
- the cylinder body 13 further comprises two folding knife arrangements 30, 32.
- the folder 10 comprises two folding rollers 40, 42, the take the fold 5 of a signature 2 and the signature 2 by the folder 10 transport.
- the signature 2 is preferably a newspaper or a newspaper section.
- the cylinder 12 further includes two flexible elements 50, 52, one for each Folding knife arrangement 30, 32.
- the flexible elements 50, 52 are around on one edge stationary swivel axes 60, 62 rotatable and on the opposite edge by means of a respective actuating device 80, 82 movable.
- the adjusting device 80 comprises a pin 83, a movable block 84, in which the pin 83 is arranged, and a drive 85.
- the adjusting device 82 is constructed similarly or identically.
- the adjusting device 80 can be used to adjust the effective diameter of the cylinder 12 can be used by the Setting device 80 connected edge of the flexible element 50 is moved. Same thing may apply to actuator 82.
- the actuating device 80 is in a first position on the basis of the flexible element 50 shown in which the flexible member 50 within the normal diameter 70 of the Cylinder 12 is located.
- the adjusting device 82 is in a second position shown, in which the flexible element 52 is curved outwards and outside of the normal diameter 72 of the cylinder 12 is located.
- These different positions are shown on the basis of the flexible elements 50, 52 only for better clarification. in the Actual operation, the cylinder 12 is generally not different Pitch circle radii are operated, rather both flexible elements 50, 52 be set similarly, their position depending on the thickness of the signature to be folded judges.
- the actuating device 80 is in a first or second position and Actuator 82 in a corresponding first or second position.
- the flexible element 50 is one at its edge 55 (schematically indicated by a dashed line) pivot axis 60 rotatable.
- the Fixed pivot axis 60 can be designed as a pin that is bent by the Edge 55 runs and on the cylinder body 13 z.
- B. on the outer surface 15 of the Cylinder body 13 is formed similarly curved edges attached, as also partially is shown in Fig. 2.
- a rod or pin 83 of the adjustment mechanism 80 can be so pass through a second edge 56 of the flexible element 50 that the edge 56 is rotatable with respect to the rod 83.
- Rod 83 also passes through block 84 to which it can be attached, as in FIG Fig. 3 is shown.
- Block 84 may at least partially have a toothed underside have and are moved back and forth by means of the drive 85.
- the drive 85 can include a gear that cooperates with the toothed surface and with a motor connected is. Other devices for moving the edge 56 may also be used be provided.
- the flexible element 50 is preferably made of spring steel and has one middle row of openings 90 through the axially spaced folding knife 30 for one Fold out and can be pulled back.
- the flexible Element 50 can also have additional lateral openings 91, 92, although not mandatory, but still beneficial to bending the flexible element 50 to simplify and effect an improved air flow.
- the flexible element 52 is designed similarly to the flexible element 50.
- the effective diameter of the cylinder 12 can be adjusted so that the Folding process is optimized without having to adjust individual tapes.
- the Adjustment devices 80, 82 act in such a way that they have the edges connected to them of the flexible element 50 or 52 move.
- the setting is preferably made in Depends on the thickness of the signatures to be folded.
- the center line of signature 2 does not have to form the geometric center line, but can e.g. B. also be offset laterally to this, so that the signature 2 after Folding process has two pages of different lengths.
- the present invention can be used not only in a 2: 1 drum folder, but also in a 3: 2 drum folder. In this case, however normally only one flexible element is required.
- Each flexible element 50, 52 preferably takes 30 ° to 90 ° of the surface of the Cylinder 12, particularly preferably 60 °.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft einen Trommelfalzapparat, insbesondere in einer Rollenrotationsdruckmaschine, mit einem Falzmesserzylinder und zwei Falzwalzen gemäß dem Oberbegriff von Anspruch 1.The present invention relates to a drum folder, in particular in a Web-fed rotary printing press, with a folding knife cylinder and two folding rollers according to the preamble of claim 1.
Weiterhin betrifft die vorliegende Erfindung einen Falzmesserzylinder mit einem
Zylinderkörper und einer Falzmesseranordnung gemäß dem Oberbegriff von Anspruch 10
sowie ein Verfahren zum Falzen von Signaturen gemäß dem Oberbegriff von Anspruch 11.Furthermore, the present invention relates to a folding knife cylinder with a
Cylinder body and a folding knife arrangement according to the preamble of
In Rollenrotationsdruckmaschinen wird eine fortlaufende Materialbahn, z. B. eine Papierbahn, bedruckt. Anschließend wird die Materialbahn in einem Schneidewerk eines Falzapparats in Signaturen geschnitten, die dann gefalzt werden.A continuous web of material, e.g. Legs Paper web, printed. The material web is then cut into a cutting unit The folder is cut into signatures, which are then folded.
Eine Möglichkeit, Signaturen zu falzen, besteht in dem Einsatz eines Trommelfalzapparats, der einen Falzmesserzylinder mit Falzmessern umfasst, die einen Falz in der Signatur erzeugen. Der Falz wird von einem der Falzmesser an zwei Falzwalzen übergeben, die einen Walzenspalt bilden und die Signatur entlang des Falzes erfassen, den Falz fixieren und das gefalzte Produkt z. B. an ein Schaufelrad übergeben.One way to fold signatures is to use a drum folder, which includes a folding knife cylinder with folding knives that have a fold in the signature produce. The fold is transferred from one of the folding knives to two folding rollers form a nip and capture the signature along the fold, fix the fold and the folded product e.g. B. passed to a paddle wheel.
In Kapitel 6 (S. 136 bis 154) des Buchs "Newspaper Presses" (Zeitungsdruckmaschinen) von William Braasch sind die zwei grundsätzlichen Arten von Trommelfalzapparaten beschrieben: Es gibt 2:1-Falzapparate und 3:2-Falzapparate. Bei 2:1-Trommelfalzapparaten umfasst der Falzmesserzylinder zwei Falzmesseranordnungen in einem Abstand von 180°. Eine Signatur wird von Punkturnadeln gehalten, die in einem Abstand von 90° zu der Falzmesseranordnung an dem Falzmesserzylinder angeordnet sind. Wenn die Mitte der Signaturen den Spalt zwischen den Falzwalzen erreicht, schiebt das Falzmesser die Signatur an ihrer Mittellinie in den zwischen den Falzwalzen gebildeten Walzenspalt, so dass ein Falz entsteht. In einem 2:1-Falzapparat sind also zwei um 180° voneinander beabstandete Punkturnadelanordnungen vorgesehen, welche die jeweils vorlaufenden Kanten der zu falzenden Produkte halten. In einem 3:2-Falzapparat sind drei um 120° voneinander beabstandete Punkturnadelanordnungen vorgesehen. Die Mitte einer Signatur wird ebenfalls mittels Falzmesseranordnungen in einen von zwei Falzwalzen gebildeten Walzenspalt geschoben, so dass ein Falz entsteht.In Chapter 6 (pp. 136 to 154) of the book "Newspaper Presses" (newspaper printing presses) by William Braasch are the two basic types of drum folder described: There are 2: 1 folders and 3: 2 folders. For 2: 1 drum folders the folding knife cylinder comprises two folding knife arrangements at a distance of 180 °. A signature is held by pin needles, which are at a distance of 90 ° to the Folding knife arrangement are arranged on the folding knife cylinder. If the middle of the If the signature reaches the gap between the folding rollers, the folding knife pushes the Signature on its center line in the nip formed between the folding rollers, see above that a fold is created. In a 2: 1 folder, two are 180 ° apart spaced puncture needle arrangements are provided, which the respective leading Hold the edges of the products to be folded. In a 3: 2 folder, three are at 120 ° spaced-apart puncture needle arrangements are provided. The middle of a signature is also formed by means of folding knife arrangements in one of two folding rollers The nip is pushed so that a fold is created.
Jede Falzmesseranordnung umfasst eine Vielzahl von Messern, welche zur Erzeugung des Falzes die Oberfläche des Zylinders durchtreten müssen und anschließend wieder eingezogen bzw. zurückgezogen werden, damit sie die Falzwalzen passieren können. Die Messer der Falzmesseranordnungen sind axial voneinander beabstandet und können z. B. als vier axial entlang dem Falzmesserzylinder angeordnete Messer ausgebildet sein. Zur besseren Stützung der zu falzenden Signatur auf dem Falzmesserzylinder befinden sich zwischen den axial versetzten Falzmessern Bänder, um den Umfang des Falzmesserzylinders fortzusetzen. Es können z. B. fünf voneinander beabstandete Bänder vorgesehen sein, welche die Falzmesser durchtreten. Die Bänder sind zur Veränderung des effektiven Durchmessers des Falzmesserzylinders verstellbar, um z. B. Signaturen unterschiedlicher Dicke bearbeiten zu können.Each folding knife assembly comprises a plurality of knives which are used to produce the Fold must pass through the surface of the cylinder and then again retracted or withdrawn so that they can pass through the folding rollers. The Knives of the folding knife assemblies are axially spaced apart and can, for. B. be designed as four knives arranged axially along the folding knife cylinder. For there is better support for the signature to be folded on the folding knife cylinder between the axially offset folding blades to the circumference of the To continue folding knife cylinder. It can e.g. B. five spaced bands be provided, which pass through the folding knife. The tapes are for changing the effective diameter of the folding knife cylinder adjustable to z. B. Signatures to be able to process different thicknesses.
Im von Heidelberg Web Systems, Inc. hergestellten, als N1600 vertriebenen 3:2-Falzapparat mit Sammelfunktion sind die Bänder z. B. an einem Blockmechanismus befestigt, der motorgesteuert verstellbar ist. Jedes Band ist am Blockmechanismus verstellbar, so dass für jedes Band unterschiedliche Einstellungen möglich sind und die Bänder individuell einstellbar sind.In the 3: 2 folder manufactured by Heidelberg Web Systems, Inc. and sold as N1600 with a collecting function the tapes are e.g. B. on a block mechanism attached, which is adjustable under motor control. Each band is on the block mechanism adjustable so that different settings are possible for each band and the Bands are individually adjustable.
Das Verstellen der einzelnen Bänder zum Erreichen einer korrekten Position für jedes Band ist jedoch ein komplizierter, zeit- und arbeitsaufwändiger Prozess. Die Stellmechanismen sind außerdem fehleranfällig. Weiterhin besteht die Gefahr eines Ausfalls eines einzelnen Bandes, was zu einer Fehlfunktion des Falzmesserzylinders führt.The adjustment of the individual bands to achieve a correct position for each However, banding is a complicated, time-consuming, and labor-intensive process. The Adjustment mechanisms are also prone to errors. There is also a risk of Failure of a single belt, causing the folder cylinder to malfunction.
Es ist eine Aufgabe der vorliegenden Erfindung, einen zuverlässigen Falzmesserzylinder mit variablem Durchmesser zu schaffen. Eine zusätzliche Aufgabe der vorliegenden Erfindung ist es, einen Falzmesserzylinder mit einem einfach verstellbaren variablen Durchmesser zu schaffen. It is an object of the present invention to provide a reliable folding knife cylinder to create with variable diameter. An additional task of the present Invention is a folding knife cylinder with an easily adjustable variable Creating diameter.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 1 und 10 gelöst.
Weitere Merkmale der Erfindung sind in den Unteransprüchen enthalten.This object is achieved by the features of
Ein erfindungsgemäßer Trommelfalzapparat mit einem rotierenden Falzmesserzylinder und mit zwei Falzwalzen, wobei der Falzmesserzylinder einen Zylinderkörper mit einer Außenfläche und eine Falzmesseranordnung aufweist, zeichnet sich durch ein biegsames Element aus, das zur Veränderung eines effektiven Durchmessers des Falzmesserzylinders verstellbar ist und mindestens eine Öffnung aufweist, die von einem Falzmesser der Falzmesseranordnung bei einem Falzvorgang durchtreten wird, um einen Falz in einer Signatur zu bilden und die Signatur an die Falzwalzen zu übergeben.An inventive drum folder with a rotating folding knife cylinder and with two folding rollers, the folding blade cylinder being a cylinder body with a Has outer surface and a folding knife arrangement, is characterized by a flexible Element made to change an effective diameter of the folding knife cylinder is adjustable and has at least one opening by a folding knife Folding knife arrangement is passed through during a folding process to make a fold in one Form signature and hand over the signature to the folding rollers.
Das biegsame Element bildet eine feste Zylinderaußenfläche um die Falzmesser, ist nur gering montageaufwändig und erfindungsgemäß leicht verstellbar. Durch das biegsame Element wird außerdem in vorteilhafter Weise die Luftzirkulation und die Vakuumwirkung im Falzmesserzylinder reduziert, die Falzungenauigkeiten verursachen können.The flexible element forms a solid cylinder outer surface around the folding knife, is only low assembly effort and easily adjustable according to the invention. By the flexible Element will also advantageously the air circulation and the vacuum effect reduced in the folding knife cylinder, which can cause folding inaccuracies.
Das biegsame Element kann in vorteilhafter Weise als biegsame oder biegfähige Platte ausgebildet sein, welche mindestens eine Öffnung oder Ausnehmung aufweist. Weiterhin kann das biegsame Element in vorteilhafter Weise auch als dehnbares oder dehnungsfähiges Element, z. B. als eine Platte, vorgesehen sein.The flexible element can advantageously be used as a flexible or flexible plate be formed which has at least one opening or recess. Farther can the flexible element in an advantageous manner as a stretchable or stretchable element, e.g. B. can be provided as a plate.
Das biegsame oder dehnbare Element kann hierdurch in seiner Form bzw. seiner Krümmung verändert werden und in unterschiedlichen Biegezuständen verschiedene Krümmungsradien aufweisen.The flexible or stretchable element can hereby in its shape or Curvature can be changed and different in different bending states Have radii of curvature.
Das biegsame Element ist vorzugsweise an einer ersten Kante über eine Schwenkachse mit dem Zylinderkörper verbunden. The flexible element is preferably on a first edge with a pivot axis connected to the cylinder body.
Weiterhin kann eine Stellvorrichtung vorgesehen sein, mit der das biegsame Element an einer der erste Kante gegenüberliegenden zweiten Kante verbunden ist. Die Stellvorrichtung kann einen Antrieb umfassen.Furthermore, an adjusting device can be provided with which the flexible element can be attached a second edge opposite the first edge is connected. The Actuating device can comprise a drive.
Die Falzmesseranordnung umfasst vorzugsweise axial voneinander beabstandete Falzmesser und das biegsame Element eine Reihe von Öffnungen, welche von den axial beabstandeten Messer durchtreten werden.The folding knife arrangement preferably comprises axially spaced apart Folding knife and the flexible element have a series of openings which are axially be passed through spaced knives.
Das Durchtreten der mindestens einen Öffnung in dem biegsamen Element kann derart erfolgen, dass das mindestens eine Falzmesser der Falzmesseranordnung eine Bewegung ausführt, wobei das Falzmesser sich zunächst auf der Innenseite des biegsamen Elements innerhalb des Falzmesserzylinders befindet, sich dann durch die Öffnung in dem biegsamen Element bewegt, wobei die Falzkante des Falzmessers auf die andere Seite des biegsamen Elements in den Außenraum des Falzmesserzylinders gelangt und anschließend wieder zurück durch die Öffnung in dem biegsamen Element geführt wird, wobei das Falzmesser sich wieder unter die von dem biegsamen Element gebildete Oberfläche des Falzzylinders zurückzieht.The passage of the at least one opening in the flexible element can be done in this way take place that the at least one folding knife of the folding knife arrangement makes a movement executes, the folding knife first on the inside of the flexible element is inside the folding knife cylinder, then through the opening in the flexible element moves, the folding edge of the folding knife on the other side of the flexible element reaches the outside of the folding knife cylinder and then is guided back through the opening in the flexible element, the Folding knife again under the surface of the flexible element formed by the Fold cylinder retracts.
Der Falzmesserzylinder kann weiterhin eine zweite Falzmesseranordnung umfassen, die in Umfangsrichtung in einem Abstand von 180° zu der ersten Falzmesseranordnung angeordnet ist.The folding knife cylinder can further comprise a second folding knife arrangement, which in Circumferential direction at a distance of 180 ° to the first folding blade arrangement is arranged.
Für die zweite Falzmesseranordnung kann ein zweites biegsames Element vorgesehen sein.A second flexible element can be provided for the second folding blade arrangement.
Insbesondere ist es vorteilhaft, wenn das biegsame Element aus Federstahl gefertigt ist.In particular, it is advantageous if the flexible element is made of spring steel.
Jedoch ist es auch möglich, das biegsame Element aus jedem beliebigen biegsamen oder dehnbaren Material herzustellen.However, it is also possible to choose the flexible element from any flexible or to produce stretchable material.
Weiterhin sieht die vorliegende Erfindung einen Falzmesserzylinder mit einem Zylinderkörper und einer Falzmesseranordnung vor, der sich durch ein biegsames Element auszeichnet, das zur Veränderung des effektiven Durchmessers des Falzmesserzylinders verstellbar ist und das mindestens eine Öffnung aufweist, welche von einem Falzmesser der Falzmesseranordnung bei einem Falzvorgang durchtreten wird.Furthermore, the present invention provides a folding knife cylinder with a Cylinder body and a folding knife arrangement, which is characterized by a flexible element distinguishes that for changing the effective diameter of the folding knife cylinder is adjustable and has at least one opening, which by a folding knife the folding blade arrangement is passed through during a folding process.
Ein solcher erfindungsgemäßer Falzmesserzylinder kann vorteilhaft in übliche Trommelfalzapparate eingebaut werden und hierdurch dessen Einsatzmöglichkeiten erweitern.Such a folding knife cylinder according to the invention can advantageously be used in conventional Drum folder apparatus and thus its possible uses expand.
Es ist eine weitere Aufgabe der vorliegenden Erfindung, ein Verfahren zum Falzen von Signaturen zu schaffen, welches es erlaubt, Signaturen zuverlässig, präzise und fehlerfrei mit einem Falz zu versehen.It is another object of the present invention to provide a method for folding To create signatures that allow signatures to be reliable, precise and error-free to be provided with a fold.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 11 gelöst.
Weitere Merkmale der Erfindung sind in den Unteransprüchen enthalten.This object is achieved by the features of
Das erfindungsgemäße Verfahren zum Falzen von Signaturen, wobei eine Signatur auf einem Falzmesserzylinder gehalten wird, der Falz in der Signatur mittels eines Falzmessers erzeugt und zur Fixierung an zwei Falzwalzen übergeben wird, zeichnet sich dadurch aus, dass die Signatur über einem biegsamen, mit mindestens einer Öffnung versehenen Element gehalten wird und dass die Signatur durch das Bewegen mindestens eines Falzmessers durch die mindestens eine Öffnung gefalzt wird.The method according to the invention for folding signatures, with a signature on a folding knife cylinder is held, the fold in the signature by means of a folding knife generated and transferred to two folding rollers for fixing, is characterized by that the signature over a flexible, provided with at least one opening Element is held and that the signature by moving at least one Folding knife is folded through the at least one opening.
Weiterhin kann vorgesehen sein, dass das biegsame Element in Abhängigkeit von der Dicke der Signatur verstellt wird. Dabei kann das biegsame Element um eine Schwenkachse geschwenkt werden. Dies kann mittels eines bewegbaren Blockmechanismus erfolgen, wobei vorzugsweise die Schwenkachse an einer Kante des biegsamen Elements angeordnet ist und der Blockmechanismus an der anderen Kante des biegsamen Elements angeordnet ist. Furthermore, it can be provided that the flexible element depending on the The thickness of the signature is adjusted. The flexible element can be one Pivot axis can be pivoted. This can be done by means of a movable Block mechanism take place, preferably the pivot axis at an edge of the flexible element is arranged and the block mechanism on the other edge of the flexible element is arranged.
Die Merkmale der vorliegenden Erfindung werden in der folgenden Beschreibung bevorzugter Ausführungsformen in Zusammenhang mit den beigefügten, nachfolgend aufgeführten Zeichnungen näher erläutert.The features of the present invention will become apparent in the following description preferred embodiments in connection with the attached, below listed drawings explained in more detail.
Es zeigen:
- Fig. 1
- eine schematische Seitenansicht eines erfindungsgemäßen 2:1-Trommelfalzapparats;
- Fig. 2
- ein biegsames Element für einen erfindungsgemäßen Trommelfalzapparat oder einen erfindungsgemäßen Falzmesserzylinder; und
- Fig. 3
- eine Stellvorrichtung für einen erfindungsgemäßen Trommelfalzapparat oder einen erfindungsgemäßen Falzmesserzylinder.
- Fig. 1
- is a schematic side view of a 2: 1 drum folder according to the invention;
- Fig. 2
- a flexible element for a drum folder or a folding knife cylinder according to the invention; and
- Fig. 3
- an adjusting device for a drum folder or a folding knife cylinder according to the invention.
Fig. 1 ist eine schematische Seitenansicht eines Trommelfalzapparats 10, der einen
Falzmesserzylinder 12 und einen Schneidzylinder 11 umfasst. Am Zylinderkörper 13 des
Zylinders 12 sind zwei Nut- und Punkturnadelanordnungen 14, 24 angeordnet, die jeweils
eine mit einem Messer 6 des Schneidzylinders 11 zusammenwirkende Schneidleiste oder
Nut und mehrere Punkturnadeln zum Erfassen einer Vorderkante einer von einer Bahn 1
geschnittenen Signatur 2 umfassen. Der Zylinderkörper 13 umfasst ferner zwei FalzmesserAnordnungen
30, 32. Weiterhin umfasst der Falzapparat 10 zwei Falzwalzen 40, 42, die
den Falz 5 einer Signatur 2 aufnehmen und die Signatur 2 durch den Falzapparat 10
transportieren. Bei der Signatur 2 handelt es sich vorzugsweise um eine Zeitung oder um
eine Zeitungssektion.Fig. 1 is a schematic side view of a
Der Zylinder 12 umfasst ferner zwei biegsame Elemente 50, 52, jeweils eines für jede
Falzmesser-Anordnung 30, 32. Die biegsamen Elemente 50, 52 sind an einer Kante um
ortsfeste Schwenkachsen 60, 62 drehbar und an der gegenüberliegenden Kante mittels einer
jeweiligen Stellvorrichtung 80, 82 bewegbar. Die Stellvorrichtung 80 umfasst einen Stift
83, einen beweglichen Block 84, in dem der Stift 83 angeordnet ist, und einen Antrieb 85.
Die Stellvorrichtung 82 ist ähnlich oder gleich konstruiert. The
Wie nachfolgend beschrieben wird, kann die Stellvorrichtung 80 zur Verstellung des
effektiven Durchmessers des Zylinders 12 eingesetzt werden, indem die mit der
Stellvorrichtung 80 verbundene Kante des biegsamen Elements 50 bewegt wird. Gleiches
kann für die Stellvorrichtung 82 gelten.As will be described below, the adjusting
Anhand des biegsamen Elements 50 ist die Stellvorrichtung 80 in einer ersten Position
gezeigt, in der sich das biegsame Element 50 innerhalb des normalen Durchmessers 70 des
Zylinders 12 befindet. Die Stellvorrichtung 82 ist dagegen in einer zweiten Position
gezeigt, in der das biegsame Element 52 nach außen gewölbt ist und sich außerhalb des
normalen Durchmessers 72 des Zylinders 12 befindet. Diese unterschiedlichen Positionen
sind anhand der biegsamen Elemente 50, 52 nur zur besseren Verdeutlichung gezeigt. Im
tatsächlichen Betrieb wird der Zylinder 12 in der Regel nicht mit unterschiedlichen
Teilkreisradien betrieben werden, vielmehr werden beide biegsamen Elemente 50, 52
ähnlich eingestellt sein, wobei sich ihre Position nach der Dicke der zu falzenden Signatur
richtet.The
Dabei befindet sich die Stellvorrichtung 80 in einer ersten oder zweiten Position und die
Stellvorrichtung 82 in einer entsprechenden ersten oder zweiten Position.The
Wie in Fig. 2 näher gezeigt ist, ist das biegsame Element 50 an seiner Kante 55 um eine
(schematisch durch eine gestrichelte Linie angedeutete) Schwenkachse 60 drehbar. Die
ortsfeste Schwenkachse 60 kann als ein Stift ausgebildet sein, der durch die gebogene
Kante 55 verläuft und am Zylinderkörper 13 z. B. über an der Außenfläche 15 des
Zylinderkörpers13 gebildete ähnlich gebogene Kanten befestigt ist, wie ebenfalls teilweise
in Fig. 2 gezeigt ist. Ein Stab oder Stift 83 des Einstellmechanismus 80 kann in der Weise
durch eine zweite Kante 56 des biegsamen Elements 50 verlaufen, dass die Kante 56
bezüglich des Stabs 83 drehbar ist.As shown in more detail in FIG. 2, the
Der Stab 83 verläuft außerdem durch den Block 84, an dem er befestigt sein kann, wie in
Fig. 3 gezeigt ist. Der Block 84 kann zumindest teilweise eine gezahnte Unterseite
aufweisen und mittels des Antriebs 85 vor und zurück bewegt werden. Der Antrieb 85 kann
ein Zahnrad umfassen, das mit der gezahnten Fläche zusammenwirkt und mit einem Motor
verbunden ist. Es können auch andere Vorrichtungen zum Bewegen der Kante 56
vorgesehen sein.
Das biegsame Element 50 ist vorzugsweise aus Federstahl hergestellt und weist eine
mittlere Reihe von Öffnungen 90 auf, durch die axial beabstandete Falzmesser 30 für einen
Falzvorgang hervortreten und wieder zurückgezogen werden können. Das biegsame
Element 50 kann auch zusätzliche seitliche Öffnungen 91, 92 aufweisen, die zwar nicht
zwingend erforderlich, aber doch von Vorteil sind, um das Biegen des biegsamen Elements
50 zu vereinfachen und einen verbesserten Luftstrom zu bewirken. Das biegsame Element
52 ist ähnlich wie das biegsame Element 50 ausgebildet.The
Der effektive Durchmesser des Zylinders 12 kann in der Weise eingestellt werden, dass der
Falzvorgang optimiert wird, ohne dass einzelne Bänder eingestellt werden müssen. Die
Stellvorrichtungen 80, 82 wirken in der Weise, dass sie die mit ihnen verbundenen Kanten
des biegsamen Elements 50 bzw. 52 bewegen. Die Einstellung erfolgt vorzugsweise in
Abhängigkeit von der Dicke der zu falzenden Signaturen.The effective diameter of the
Erreicht eine Mittellinie einer Signatur 2 die Falzwalzen 40, 42, so treten die Messer 32 aus
der mittleren Reihe von Öffnungen des biegsamen Elements 52 hervor und bilden einen
Falz 5, der von den Falzwalzen 40, 42 aufgenommen wird und einen von diesen Walzen
gebildeten Walzenspalt passiert.If a center line of a
Dabei muss die Mittellinie der Signatur 2 nicht die geometrische Mittellinie bilden,
sondern kann z. B. auch seitlich zu dieser versetzt sein, so dass die Signatur 2 nach dem
Falzvorgang zwei unterschiedlich lange gefalzte Seiten aufweist.The center line of
Die vorliegende Erfindung ist nicht nur in einem 2:1-Trommelfalzapparat einsetzbar, sondern auch in einem 3:2-Trommelfalzapparat. In diesem Fall ist allerdings normalerweise nur ein biegsames Element nötig. The present invention can be used not only in a 2: 1 drum folder, but also in a 3: 2 drum folder. In this case, however normally only one flexible element is required.
Jedes biegsame Element 50, 52 nimmt vorzugsweise 30° bis 90° der Oberfläche des
Zylinders 12 ein, insbesondere vorzugsweise 60°. Each
- 11
- MaterialbahnMaterial web
- 22nd
- Signatursignature
- 55
- FalzFold
- 66
- SchneidmesserCutting knife
- 1010th
- FalzapparatFolder
- 1111
- SchneidmesserzylinderCutting knife cylinder
- 1212th
- FalzmesserzylinderFolding knife cylinder
- 1313
- ZylinderkörperCylinder body
- 1414
- Nut- und Punkturnadel-AnordnungGroove and puncture needle arrangement
- 1515
- AußenflächeOutside surface
- 2424th
- Nut- und Punkturnadel-AnordnungGroove and puncture needle arrangement
- 30, 3230, 32
- FalzmesseranordnungFolding knife arrangement
- 40, 4240, 42
- FalzwalzeFolding roller
- 5050
- biegsames Elementflexible element
- 5252
- biegsames Elementflexible element
- 5555
- KanteEdge
- 5656
- zweite Kantesecond edge
- 60, 6260, 62
- SchwenkachseSwivel axis
- 7070
- Durchmesserdiameter
- 80, 8280, 82
- StellvorrichtungActuator
- 8383
- Stiftpen
- 8484
- bewegbarer Blockmovable block
- 8585
- Antriebdrive
- 9090
- Öffnungenopenings
- 91, 9291, 92
- zusätzliche Öffnungenadditional openings
Claims (13)
gekennzeichnet durch
ein biegsames Element (50, 52), das zur Veränderung eines effektiven Durchmessers des Falzmesserzylinders (12) verstellbar ist und mindestens eine Öffnung (90) aufweist, die von einem Falzmesser der Falzmesseranordnung (32) bei einem Falzvorgang durchtreten wird, um einen Falz (5) in einer Signatur (2) zu bilden und die Signatur (2) an die Falzwalzen (40, 42) zu übergeben.Drum folder with a rotating folder cylinder (12) and with two folding rollers (40, 42), the folder cylinder (12) having a cylinder body (13) with an outer surface (15) and a folder arrangement (32),
marked by
a flexible element (50, 52) which is adjustable to change an effective diameter of the folding knife cylinder (12) and has at least one opening (90) which is passed through by a folding knife of the folding knife arrangement (32) during a folding process in order to fold ( 5) in a signature (2) and to transfer the signature (2) to the folding rollers (40, 42).
dadurch gekennzeichnet, dass das biegsame Element (50, 52) an einer ersten Kante (55) über eine Schwenkachse (60) mit dem Zylinderkörper (13) verbunden ist.Folding apparatus according to claim 1,
characterized in that the flexible element (50, 52) is connected to the cylinder body (13) at a first edge (55) via a pivot axis (60).
gekennzeichnet durch
eine Stellvorrichtung (80, 82), mit der das biegsame Element (50, 52) an einer der erste Kante (55) gegenüberliegenden zweiten Kante (56) verbunden ist.Folding apparatus according to claim 2,
marked by
an adjusting device (80, 82) to which the flexible element (50, 52) is connected at a second edge (56) opposite the first edge (55).
dadurch gekennzeichnet, dass die Stellvorrichtung (80, 82) einen Antrieb (85) umfasst.Folding apparatus according to claim 3,
characterized in that the adjusting device (80, 82) comprises a drive (85).
dadurch gekennzeichnet, dass die Falzmesseranordnung (30, 32) axial voneinander beabstandete Falzmesser umfasst. Folding apparatus according to one of the preceding claims,
characterized in that the folding knife assembly (30, 32) comprises axially spaced folding knives.
gekennzeichnet durch
eine Reihe von Öffnungen (90), welche von den axial beabstandeten Messern durchtreten wird.Folding apparatus according to claim 5,
marked by
a series of openings (90) through which the axially spaced knives pass.
gekennzeichnet durch
eine zweite Falzmesseranordnung (30), die in Umfangsrichtung in einem Abstand von 180° zu der ersten Falzmesseranordnung (32) angeordnet ist.Folding apparatus according to claim 1,
marked by
a second folding knife arrangement (30) which is arranged in the circumferential direction at a distance of 180 ° to the first folding knife arrangement (32).
gekennzeichnet durch
ein zweites biegsames Element (52) für die zweite Falzmesseranordnung (30).Folding apparatus according to claim 7,
marked by
a second flexible element (52) for the second folding blade arrangement (30).
dadurch gekennzeichnet, dass das biegsame Element (50, 52) aus Federstahl gefertigt ist.Folding apparatus according to one of the preceding claims,
characterized in that the flexible element (50, 52) is made of spring steel.
gekennzeichnet durch
ein biegsames Element (50, 52), das zur Veränderung des effektiven Durchmessers des Falzmesserzylinders (12) verstellbar ist und das mindestens eine Öffnung (90) aufweist, welche von einem Falzmesser der Falzmesseranordnung (30, 32) bei einem Falzvorgang durchtreten wird.Folding knife cylinder (12) with a cylinder body (13) and a folding knife arrangement (30, 32),
marked by
a flexible element (50, 52) which is adjustable to change the effective diameter of the folding knife cylinder (12) and which has at least one opening (90) which is passed through by a folding knife of the folding knife arrangement (30, 32) during a folding process.
dadurch gekennzeichnet, dass die Signatur (2) über einem biegsamen, mit mindestens einer Öffnung (90) versehenen Element (50, 52) gehalten wird und dass die Signatur (2) durch das Bewegen mindestens eines Falzmessers (30, 32) durch die mindestens eine Öffnung (90) gefalzt wird.Method for folding signatures, wherein a signature (2) is held on a folding knife cylinder, the fold (5) in the signature (2) is generated by means of a folding knife and transferred to two folding rollers (40, 42) for fixing,
characterized in that the signature (2) is held over a flexible element (50, 52) provided with at least one opening (90) and that the signature (2) is moved by moving at least one folding knife (30, 32) through the at least one an opening (90) is folded.
dadurch gekennzeichnet, dass das biegsame Element (50, 52) in Abhängigkeit von der Dicke der Signatur (2) verstellt wird.A method according to claim 11,
characterized in that the flexible element (50, 52) is adjusted depending on the thickness of the signature (2).
gekennzeichnet durch
einen Trommelfalzapparat nach einem der Ansprüche 1 bis 9 oder einen Falzmesserzylinder nach Anspruch 10.Printing machine, in particular web-fed rotary printing machine,
marked by
a drum folder according to one of claims 1 to 9 or a folding knife cylinder according to claim 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US571606 | 2000-05-15 | ||
| US09/571,606 US6761678B1 (en) | 2000-05-15 | 2000-05-15 | Folding cylinder with expansion plate |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1156006A2 true EP1156006A2 (en) | 2001-11-21 |
| EP1156006A3 EP1156006A3 (en) | 2004-03-03 |
| EP1156006B1 EP1156006B1 (en) | 2006-08-23 |
Family
ID=24284363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01107843A Expired - Lifetime EP1156006B1 (en) | 2000-05-15 | 2001-04-09 | Drum folder with a folding-knife cylinder |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6761678B1 (en) |
| EP (1) | EP1156006B1 (en) |
| JP (1) | JP2002012366A (en) |
| AT (1) | ATE337251T1 (en) |
| DE (1) | DE50110781D1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008001695U1 (en) * | 2008-02-07 | 2009-04-30 | Manroland Ag | Collecting cylinder of a folder and cover segment for this purpose |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20011800A1 (en) * | 2001-08-17 | 2003-02-17 | Studio Design S A S Di Stefano | MACHINE FOR THE PRODUCTION OF FLEXIBLE SHEET MATERIAL |
| US6843763B2 (en) * | 2001-12-13 | 2005-01-18 | Goss International Americas, Inc. | Folder cylinder with support plate |
| US7896795B2 (en) * | 2005-10-25 | 2011-03-01 | Goss International Americas, Inc. | Folder with signature support |
| JP5396321B2 (en) * | 2010-03-26 | 2014-01-22 | ユニ・チャーム株式会社 | Absorber manufacturing equipment |
| JP4951701B2 (en) * | 2010-08-11 | 2012-06-13 | 株式会社東京機械製作所 | Folding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1003717A (en) * | 1961-08-12 | 1965-09-08 | Albert Schnellpressen | Improvements in and relating to folding machines |
| GB1203114A (en) * | 1967-03-20 | 1970-08-26 | Wood Industries Inc | Improvements in folding cylinder having adjustable band construction |
| EP0436908A2 (en) * | 1990-01-08 | 1991-07-17 | Mitsubishi Jukogyo Kabushiki Kaisha | Folding drum in a folding machine for a rotary press |
| US5039076A (en) * | 1989-03-04 | 1991-08-13 | Albert-Frankenthal Ag | Folder |
| US5846177A (en) * | 1995-02-22 | 1998-12-08 | Man Roland Druckmaschinen Ag | Folding mechanism cylinder having an adjustable diameter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2555267A (en) * | 1945-10-30 | 1951-05-29 | Goss Printing Press Co Ltd | All size folder |
| JP2538925B2 (en) * | 1987-06-24 | 1996-10-02 | 三菱重工業株式会社 | Diameter adjustment device for folding cylinders in rotary press |
| JP2513205Y2 (en) * | 1990-01-11 | 1996-10-02 | 三菱重工業株式会社 | Folding cylinder diameter adjusting device |
| JP2513226Y2 (en) * | 1990-07-26 | 1996-10-02 | 三菱重工業株式会社 | Folding cylinder diameter adjusting device |
| DE4103160C2 (en) | 1991-02-02 | 1994-09-08 | Roland Man Druckmasch | Folding apparatus with an adjustable element, in particular folding jaws or arcuate segments, having a folding mechanism cylinder |
-
2000
- 2000-05-15 US US09/571,606 patent/US6761678B1/en not_active Expired - Lifetime
-
2001
- 2001-04-09 DE DE50110781T patent/DE50110781D1/en not_active Expired - Lifetime
- 2001-04-09 AT AT01107843T patent/ATE337251T1/en not_active IP Right Cessation
- 2001-04-09 EP EP01107843A patent/EP1156006B1/en not_active Expired - Lifetime
- 2001-05-14 JP JP2001143983A patent/JP2002012366A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1003717A (en) * | 1961-08-12 | 1965-09-08 | Albert Schnellpressen | Improvements in and relating to folding machines |
| GB1203114A (en) * | 1967-03-20 | 1970-08-26 | Wood Industries Inc | Improvements in folding cylinder having adjustable band construction |
| US5039076A (en) * | 1989-03-04 | 1991-08-13 | Albert-Frankenthal Ag | Folder |
| EP0436908A2 (en) * | 1990-01-08 | 1991-07-17 | Mitsubishi Jukogyo Kabushiki Kaisha | Folding drum in a folding machine for a rotary press |
| US5846177A (en) * | 1995-02-22 | 1998-12-08 | Man Roland Druckmaschinen Ag | Folding mechanism cylinder having an adjustable diameter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008001695U1 (en) * | 2008-02-07 | 2009-04-30 | Manroland Ag | Collecting cylinder of a folder and cover segment for this purpose |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002012366A (en) | 2002-01-15 |
| DE50110781D1 (en) | 2006-10-05 |
| US6761678B1 (en) | 2004-07-13 |
| ATE337251T1 (en) | 2006-09-15 |
| EP1156006B1 (en) | 2006-08-23 |
| EP1156006A3 (en) | 2004-03-03 |
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