EP2743072B1 - Creasing method - Google Patents

Creasing method Download PDF

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Publication number
EP2743072B1
EP2743072B1 EP13196601.2A EP13196601A EP2743072B1 EP 2743072 B1 EP2743072 B1 EP 2743072B1 EP 13196601 A EP13196601 A EP 13196601A EP 2743072 B1 EP2743072 B1 EP 2743072B1
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EP
European Patent Office
Prior art keywords
pairs
creasing
tool
tools
shafts
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EP13196601.2A
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German (de)
French (fr)
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EP2743072A1 (en
Inventor
Roland Losch
Joël Brunschwiler
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Mueller Martini Holding AG
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Mueller Martini Holding AG
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Publication of EP2743072A1 publication Critical patent/EP2743072A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders
    • B42C7/005—Creasing the back of covers

Definitions

  • the present invention relates to a method for introducing a plurality of spaced apart grooves in sheets or sheets of a printing material according to the preamble of claim 1.
  • envelope material which finds use later as an envelope is grooved in the form of sheets or sheets before it is glued to a book block.
  • Each subsequent quotation of the term printed sheet also includes the envelope material webs.
  • the purpose of the creasing is to make the cover material bend-soft along a future bending edge of the cover or to preform it. In essence, this relates to the edges between the spine and the flat sides of the printed product, the bending edge of a subsequent to the spine side gluing to open the envelope and the bending edges of envelopes with embarked flaps.
  • Another method to create defined bending edges is embossing. Instead of co-operating, rotating discs designated here as a die and patrille pre-rails are used with which the bending edges are embossed in the envelope. This method produces more accurate bending edges but, because of the increased expense, is typically used only in the production of higher value products.
  • the grooves produced with such devices are concave on one side of the envelope and convex on the opposite side.
  • On which side of the envelope which groove shape is to be produced results from the function of the relevant groove on the cover of the finished book, namely as a back edge or as a bending edge for opening and closing the cover.
  • a first, usually inner clamp jaw of a conveyor block for conveying a book block by an adhesive binder defines a fixed edge that can be fixed transversely to the conveying direction.
  • a second, the first opposite clamp jaw of the transport clamp in an adjustable transversely to the conveying direction position adjustable to adapt to the respective book block thickness. Accordingly, even with a creasing device with two tool pairs of creasing tools, the one tool pair is set to the fixable position, while the other tool pair is adjustable according to the book block thickness.
  • the waves of the adjustable tool pair are usually mounted at their two ends in common bearing units, so that the position of the grooves on the sheet can be adjusted to the book block thickness with a common adjusting device.
  • a common adjusting device For generating additional grooves, either further pairs of tools of scoring tools are arranged on the shafts, or the dies and dies of corresponding scoring tools are attached to one and the same pair of tools arranged. There are scoring tools, where the distance between the grooves can be adjusted manually.
  • the creasing device In order to transport a printed sheet through the creasing device can additionally be arranged on the shafts of the creasing tools elastically coated conveyor rollers.
  • the printing sheet transport can also be done with conveyor rollers or rollers, which are arranged on separate transport shafts.
  • the groove serving as the back edge is designed with a convex, outwardly directed curvature and the groove serving as a bending edge with a concave, inwardly directed curvature.
  • Outside and inside refers to the seen from the inside book block direction.
  • the convex curvature of the groove serving as the back edge causes problems with certain envelopes. This is particularly the case for envelopes where the paper direction is wrong, or which are made of paper with very short fibers, or for UV-coated envelopes. In these envelopes, the pressure of the press tends to rupture on the outward curvature of the groove, rupturing the ink and making paper tears visible.
  • it is advantageous if the groove serving as the back edge is curved inward. In the previously known scoring a change in the curvature of the grooves is possible only by a manual change of scoring tools.
  • the DE202009008741 U1 describes a creasing device in which the creasing tools are mounted in separable parts of a frame, whereby the cost of replacing creasing tools and the removal of dammed-up envelopes significantly reduced.
  • the upper part of the frame must be complete with all stored therein axes are folded up, for which a great effort is needed.
  • the WO0198088 A1 discloses a creasing device in which the distance between the grooves serving as the back edge is automatically adjusted according to the book block thickness measured in the transport clamp of the perfect binder.
  • the distance from the groove serving as the back edge to the groove serving as the bending edge is independent of the book block thickness and rarely needs to be changed so that an automatic adjustment of this distance is not provided here. If necessary, this distance can be changed by means of manually adjustable scoring tools or by the complete replacement of scoring tools. A change in the curvature of the grooves is also possible here only by a manual change of scoring tools.
  • the scoring device consists essentially of two scoring units, each with two pairs of cooperating scoring tools.
  • a scoring tools a creasing knife and a scoring die are each formed and arranged on counter-rotating, parallel superimposed waves.
  • the object of the invention is to provide generic methods for introducing a plurality of grooves in printing sheets or in webs of a printing material, which allow a simple and fast conversion of the respective groove shapes.
  • this object is achieved by a method in which at least one of the pairs of tools of a scoring device together with its shafts and in an intermeshing state of its scoring tools from its working position in the direction of the other tool pair and beyond its current position is moved to a new work item corresponding to a subsequent work order.
  • a first tool pair is fixed in a first working position and a second tool pair is displaced into a second working position dependent on the first working position and on the further work order.
  • the first or the second tool pair can thereby be positioned in a so-called fixed edge position and the other tool pair in a book thickness-dependent position.
  • a common mounting of a first pair of tools together with the shafts and the scoring tools and / or a common mounting of a second pair of tools can be moved together with the shafts and the scoring tools.
  • brackets of the shafts are displaced via actuators, this can advantageously lead to a simplification of the operability.
  • a controller which sends control signals to the actuators for adjusting the pairs of tools, this leads to a higher degree of automation and consequently requires less manual intervention by an operator.
  • the scoring device can be adapted to the requirements advantageous for the processing of each book block to be produced accordingly.
  • a scoring device 1 is shown simplified.
  • a frame 11 on which two substantially mutually parallel brackets 7, 8 are arranged slidably.
  • the brackets 7, 8 serve as a receiving location for parallel shafts 20, 21, 30, 31 at its two end faces, wherein on each of the shafts 20, 21, 30, 31 depending on a creasing tool 3, 4; 5, 6 is arranged.
  • the front scoring tools 3, 4 together form a first, front pair of tools 41 and the rear scoring tools 5, 6 together form a second, rear pair of tools 42.
  • the scoring tools 3, 4 of the first pair of tools 41 are at an axial distance 29 from the scoring tools 5 6 of the second tool pair 42.
  • the shafts 20, 21, 30, 31 each have a drive wheel 15 at one of their ends.
  • front and “back” tool pairs 41, 42 refer to the illustration according to Fig. 1 and Fig. 2 , where in Fig. 1 a designated by the arrow A view of the creasing device 1 in Fig. 1a and one in Fig. 2 with the arrow B view of the creasing device 1 in Fig. 2a is shown enlarged as a detailed view.
  • Fig. 1a and 2a The front scoring tools 3, 4 with the associated shafts 20, 21 each partially hide the rear scoring tools 5, 6 with the associated shafts 30, 31.
  • the brackets 7, 8 are arranged laterally displaceable relative to the frame 11 via a respective actuator 9, 10 arranged on the frame 11. This allows the recorded in the holders 7, 8 shafts 20, 21; 30, 31 and thus the scoring tools 3, 4; 5, 6 in the axial direction of the shafts 20, 21; 30, 31 and thus transversely to a conveying direction F of be moved with the creasing device 1 to be printed sheet 2.
  • a controller 75 is as in Fig. 1 and 2 shown connected to the actuators 9, 10.
  • the holders 7, 8 are arranged in the frame 11 in such a way that they each have guides 13, 14 connected to the frame 11, wherein each holder 7, 8 is arranged displaceably in a guide 13, 14 transversely to the conveying direction F relative to the frame 11 ,
  • the waves 20, 21; 30, 31 are, as in Fig. 3 represented, in each case by means of rolling or sliding bearings 22, 23 rotatably mounted in half bearing shells 25, 27 of the holders 7, 8.
  • a closure mechanism 24, each with a hold-down 26 and a spring-biased in this, guided pin 28 is arranged.
  • a one in the axial direction elongated ring gear 16 having drive wheel 12 of the creasing device 1 with each at one end of the shafts 20, 21; 30, 31 arranged drive wheels 15 in engagement. Due to the design of the drive wheel 12 with the ring gear 16, a frictional connection is ensured even with a lateral displacement of the drive wheels 15.
  • the drive wheel 12 is connected to the main drive of a cooperating with the creasing device, not shown, print finishing device, for example with an adhesive binder or a saddle stitcher, or connected to a separate drive.
  • the scoring tools 3, 4; 5, 6 each have a survey 17 and a spaced-apart recess 18 around its cylindrical body.
  • the elevations 17 and the recesses 18 are on the opposite scoring tools 3, 4; 5, 6 of a tool pair 41, 42 mirror-symmetrical to an imaginary center plane 70 of the tool pairs 41, 42 and arranged complementarily, i. each elevation 17 fits into a respective recess 18 of the opposing scoring tool 3, 4; 5, 6.
  • Fig. 1 are the creasing tools 3, 4; 5, 6 of the creasing device 1 shown in a first processing position 51, which is used for the production of a in Fig. 1b shown envelope 101 is required.
  • this envelope 101 two first, viewed from a book block 100 outwardly directed (convex), in the finished book serving as back edges grooves are shown.
  • FIG 3 is the attachment of the scoring tools 3, 4; 5, 6 or the shafts 20, 21; 30, 31 on the brackets 7, 8 shown from a different perspective.
  • the description is made here only for one end face of the holder 8, but applies analogously both for their opposite end face and for the holder 7.
  • the scoring tools 5, 6 are fixedly arranged on their shafts 30, 31, which in turn by means of rolling or sliding bearings 22, 23 are rotatably mounted in the half bearing shells 25, 27 of the holder 8.
  • a closure mechanism 24 is disposed above the upper rolling or sliding bearing 23.
  • a hold-down 26 with a pin 28 is arranged.
  • the printing sheets 2 or webs of the creasing device 1 are first fed in a conveying direction F, in a serial stream, as in Fig. 1 and 2 indicated.
  • the promotion of the printed sheet 2 or webs in the creasing device 1 takes place by the creasing tools 2, 3; 4, 5 and / or additionally on the shafts 20, 21; 30, 31 arranged conveyor rollers and / or arranged on their own waves conveyor rollers or conveyor rollers by frictional engagement (not shown for clarity in the drawings).
  • at least the lower scoring tools 3, 5 or the upper scoring tools 4, 6 and / or conveyor rollers and / or conveyor rollers are driven.
  • the likewise rotatably driven second pair of tools 42 of the scoring tools 5, 6 is moved by adjusting the holder 8 via the drive 10 with respect to the conveying direction F to the left.
  • This process also takes place in pairs, each in an intermeshing state of the scoring tools 4, 5 of the second tool pair 42, wherein the shafts 30, 31 are displaced by adjusting the holder 8 along its axis and non-positively along the drive wheel 16.
  • the drive of the creasing device 1 is effected by the drive wheel 12, which is connected to the main drive of the perfect binder via a gear or via an electric shaft, or with a separate drive.
  • the power transmission from the drive wheel 12 via an extended from its sprocket 16 and the form-fittingly connected to this drive wheels 15 of the shafts 20, 21; 30, 31 formed gear transmission 19, which ensures a permanent power transmission.
  • the actuators 9, 10 are in a first processing position 51, which corresponds to a normal position, according to Fig. 1 shifted so that the creasing tools 3, 4 are aligned to the fixed edge position and the creasing tools 5, 6 depending on the desired book block thickness in a variable position.
  • this first processing position 51 arise when editing the sheet 2 of a printing material with the creasing device 1 envelopes with grooves 61, 62 according to Fig. 1b ,
  • the controller 75 sends to adjust the tool pairs control signals to the actuators 9, 10th
  • the actuators 9, 10 are in a second working position 52 according to Fig. 2 shifted so that the scoring tools 5, 6 are aligned to the fixed edge position and the scoring tools 3, 4 depending on the desired book block thickness in a variable position.
  • this second working position 52 arise when editing the sheet 2 of a printing material with the creasing device 1 envelopes with grooves 61, 62 according to Fig. 2b ,
  • a disassembly of the scoring tools 5, 6 may, in consideration of Fig. 3 be traced.
  • a closure mechanism 24 is released, so that the rolling or sliding bearing 23 of the upper shaft 31 rests only on the half bearing shell 27 of the holder 8 and thus the complete shaft 31 can be removed from the holder 8.
  • the hold-down 26, whose spring-biased pin 28 fixes the rolling or sliding bearing 22 of the lower shaft 30 in the half bearing shell 25, is freely displaceable upwards.
  • the lower shaft 30 can be removed from the holder 8.
  • the half bearing shell 25 of the lower shaft 30 is adjusted vertically.
  • the hold-down is part of the function of the locking mechanism.
  • the locking mechanism pushes the upper shaft into the upper half bearing shells of the bracket.
  • the bearing presses on the hold-down device which presses the lower shaft into the lower half-bearing shells of the holder via the spring-loaded pin.
  • Fig. 2, 2a, 2b essentially correspond to the Fig. 1, 1a, 1b , However, in Fig. 2 the scoring tools 3, 4; 5, 6 of the creasing device 1 shown in a second working position 52, which is used for the production of a in Fig. 2b shown envelope 101 is required.
  • this envelope two first, seen from the book block 100, inwardly directed (concave), in the finished book serving as back edges grooves 61 are shown.
  • two second, as viewed from the book block 100, but outwardly directed (convex), in the finished book as bending edges for opening the envelope 101 serving grooves 62 are formed, the latter being arranged from the book block 100 slightly further than the first two grooves 61 ,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Description

Die vorliegende Erfindung betrifft ein Verfahren zum Einbringen von mehreren voneinander beabstandeten Rillen in Druckbogen oder Bahnen eines Bedruckstoffes gemäss dem Oberbegriff des Anspruchs 1.The present invention relates to a method for introducing a plurality of spaced apart grooves in sheets or sheets of a printing material according to the preamble of claim 1.

Bei der Buchherstellung wird später als Umschlag Verwendung findendes Umschlagmaterial in Form von Druckbogen oder Bahnen gerillt, bevor es mit einem Buchblock verklebt wird. Jede nachfolgende Anführung des Begriffs Druckbogen schliesst ausserdem auch das Umschlagmaterial Bahnen ein. Mit der Rillung wird bezweckt, das Umschlagmaterial entlang einer zukünftigen Biegekante des Umschlags biegeweich zu gestalten oder vorzuformen. Im Wesentlichen betrifft dies die Kanten zwischen dem Buchrücken und den flächigen Seiten des Druckproduktes, die Biegekante einer an den Buchrücken anschliessenden Seitenbeleimung zum Öffnen des Umschlages und die Biegekanten von Umschlägen mit eingeschlagenen Klappen.In book production, envelope material which finds use later as an envelope is grooved in the form of sheets or sheets before it is glued to a book block. Each subsequent quotation of the term printed sheet also includes the envelope material webs. The purpose of the creasing is to make the cover material bend-soft along a future bending edge of the cover or to preform it. In essence, this relates to the edges between the spine and the flat sides of the printed product, the bending edge of a subsequent to the spine side gluing to open the envelope and the bending edges of envelopes with embarked flaps.

Eine andere Methode definierte Biegekanten zu erzeugen ist das Prägen. Anstelle von zusammenwirkenden, rotierenden Scheiben werden hier als Matrize und Patrize bezeichnete Prägeschienen verwendet, mit denen die Biegekanten in den Umschlag geprägt werden. Dieses Verfahren erzeugt genauere Biegekanten, findet aber wegen des erhöhten Aufwands in der Regel nur bei der Herstellung von höherwertigen Produkten Anwendung.Another method to create defined bending edges is embossing. Instead of co-operating, rotating discs designated here as a die and patrille pre-rails are used with which the bending edges are embossed in the envelope. This method produces more accurate bending edges but, because of the increased expense, is typically used only in the production of higher value products.

Die mit solchen Vorrichtungen erzeugten Rillen sind auf einer Seite des Umschlags konkav und auf der gegenüberliegenden Seite konvex ausgebildet. Auf welcher Seite des Umschlags welche Rillenform zu erzeugen ist, ergibt sich aus der Funktion der betreffenden Rille am Umschlag des fertiggestellten Buchs, nämlich als Rückenkante oder als Biegekante zum Öffnen und Schliessen des Umschlags.The grooves produced with such devices are concave on one side of the envelope and convex on the opposite side. On which side of the envelope which groove shape is to be produced results from the function of the relevant groove on the cover of the finished book, namely as a back edge or as a bending edge for opening and closing the cover.

Es ist bekannt, in einen aus einem Druckbogen gebildeten Umschlag mehrere Rillen in einem einzigen Arbeitsgang einzubringen oder alternativ für jede Rille einen separaten Arbeitsgang durchzuführen. Bei manchen Druckweiterverarbeitungsvorrichtungen, wie beispielsweise bei Klebebindern und Sammelheftern, erfolgt das Rillen als eine integrierte Operation im Bindeprozess. Einige Lösungen nach dem Stand der Technik weisen auf zwei parallelen Wellen angeordnete, gegeneinander gerichtete, paarweise zusammenwirkende Rillwerkzeuge auf, zwischen denen Druckbogen durchgefördert und gleichzeitig gerillt werden. Ein Rillwerkzeug eines solchen Werkzeugpaares weist am Umfang eine konkave Form, auch "Matritze" genannt, und das andere Rillwerkzeug desselben Werkzeugpaares eine zur konkaven Form passende konvexe Form, auch "Patritze" genannt, auf, die geometrisch derart gestaltet sind, dass beim Rillen die gewünschte Rillenform am Druckbogen gebildet wird. Wenigstens ein Rillwerkzeug eines zusammenwirkenden Werkzeugpaares ist angetrieben. Die Wellen der Rillwerkzeuge sind in ihren Endbereichen in die Wellenpaare verbindenden Lagerstellen gelagert. Solche Vorrichtungen können zum Erzeugen mehreren Rillen auch mehrere Werkzeugpaare von Rillwerkzeugen aufweisen.It is known to introduce in an envelope formed from a sheet several grooves in a single operation or alternatively perform a separate operation for each groove. In some print finishing devices, such as perfect binders and saddle stitchers, the score is an integrated operation in the binding process. Some solutions according to the prior art have, arranged on two parallel shafts, oppositely directed, pairwise cooperating scoring tools, between which printed sheets are conveyed through and grooved at the same time. A creasing tool of such a tool pair has on the circumference a concave shape, also called "die", and the other creasing tool of the same pair of tools a convex shape matching the concave shape, also called "patrix", which are geometrically designed so that the grooves desired groove shape is formed on the sheet. At least one scoring tool of a cooperating pair of tools is driven. The shafts of the scoring tools are mounted in their end regions in the shaft pairs connecting bearing points. Such devices can also have a plurality of tool pairs of scoring tools for generating a plurality of grooves.

Um die Rillwerkzeuge einem bestimmten Buch- und/oder Umschlagformat anzupassen, müssen diese entsprechend verstellbar sein. Eine erste, in der Regel innere Klammerbacke einer dem Fördern eines Buchblocks durch einen Klebebinder dienenden Transportklammer definiert eine quer zur Förderrichtung festlegbare Fixkante. Dagegen ist eine zweite, der ersten gegenüberliegende Klammerbacke der Transportklammer in einer quer zur Förderrichtung variablen Position verstellbar ausgebildet, um sich der jeweiligen Buchblockdicke anzupassen. Dem entsprechend ist auch bei einer Rillvorrichtung mit zwei Werkzeugpaaren von Rillwerkzeugen das eine Werkzeugpaar auf die festlegbare Position eingestellt, während das andere Werkzeugpaar entsprechend der Buchblockdicke verstellbar ist. Dazu sind die Wellen des verstellbaren Werkzeugpaares in der Regel an ihren beiden Enden in gemeinsamen Lagereinheiten gelagert, sodass sich die Lage der Rillen auf dem Druckbogen mit einer gemeinsamen Stelleinrichtung auf die Buchblockdicke einstellen lässt. Zum Erzeugen zusätzlicher Rillen werden entweder weitere Werkzeugpaare von Rillwerkzeugen auf den Wellen angeordnet oder die Matrizen und Patrizen entsprechender Rillwerkzeuge sind an ein und demselben Werkzeugpaar angeordnet. Dabei gibt es Rillwerkzeuge, bei denen der Abstand zwischen den Rillen manuell verstellt werden kann.In order to adapt the scoring tools to a specific book and / or envelope format, they must be correspondingly adjustable. A first, usually inner clamp jaw of a conveyor block for conveying a book block by an adhesive binder defines a fixed edge that can be fixed transversely to the conveying direction. In contrast, a second, the first opposite clamp jaw of the transport clamp in an adjustable transversely to the conveying direction position adjustable to adapt to the respective book block thickness. Accordingly, even with a creasing device with two tool pairs of creasing tools, the one tool pair is set to the fixable position, while the other tool pair is adjustable according to the book block thickness. For this purpose, the waves of the adjustable tool pair are usually mounted at their two ends in common bearing units, so that the position of the grooves on the sheet can be adjusted to the book block thickness with a common adjusting device. For generating additional grooves, either further pairs of tools of scoring tools are arranged on the shafts, or the dies and dies of corresponding scoring tools are attached to one and the same pair of tools arranged. There are scoring tools, where the distance between the grooves can be adjusted manually.

Um einen Druckbogen durch die Rillvorrichtung zu transportieren können auf den Wellen der Rillwerkzeuge zusätzlich elastisch beschichtete Förderrollen angeordnet sein. Der Druckbogentransport kann aber auch mit Förderrollen oder -walzen erfolgen, die auf separaten Transportwellen angeordnet sind.In order to transport a printed sheet through the creasing device can additionally be arranged on the shafts of the creasing tools elastically coated conveyor rollers. The printing sheet transport can also be done with conveyor rollers or rollers, which are arranged on separate transport shafts.

In der Regel ist die als Rückenkante dienende Rille mit einer konvexen, nach aussen gerichteten Wölbung und die als Biegekante dienende Rille mit einer konkaven, nach innen gerichteten Wölbung ausgeführt. Aussen und innen bezieht sich hier auf die vom innenliegenden Buchblock aus gesehene Richtung. Die konvexe Wölbung der als Rückenkante dienenden Rille führt bei gewissen Umschlägen zu Problemen. Dies ist insbesondere bei Umschlägen, bei denen die Papierlaufrichtung falsch gewählt ist, oder die aus Papier mit sehr kurzen Fasern bestehen, oder bei UV-lackierten Umschlägen der Fall. Bei diesen Umschlägen neigt das Papier durch die Belastung des Anpressvorgangs dazu, auf der nach aussen gerichteten Wölbung der Rille aufzuplatzen, wodurch die Druckfarbe aufgerissen wird und Papierrisse sichtbar werden können. Für solche Umschläge ist es vorteilhaft, wenn die als Rückenkante dienende Rille nach innen gewölbt ist. Bei den bisher bekannten Rillvorrichtungen ist eine Änderung der Wölbung der Rillen nur durch ein manuelles Wechseln der Rillwerkzeuge möglich.As a rule, the groove serving as the back edge is designed with a convex, outwardly directed curvature and the groove serving as a bending edge with a concave, inwardly directed curvature. Outside and inside here refers to the seen from the inside book block direction. The convex curvature of the groove serving as the back edge causes problems with certain envelopes. This is particularly the case for envelopes where the paper direction is wrong, or which are made of paper with very short fibers, or for UV-coated envelopes. In these envelopes, the pressure of the press tends to rupture on the outward curvature of the groove, rupturing the ink and making paper tears visible. For such envelopes, it is advantageous if the groove serving as the back edge is curved inward. In the previously known scoring a change in the curvature of the grooves is possible only by a manual change of scoring tools.

Für den Ein- und Ausbau von Rillwerkzeugen müssen die Wellen ausgebaut, bzw. umgebaut werden, was zeitintensiv ist und somit die Umstellzeit wesentlich verlängert. Ebenso ist für die Behebung eines Papierstaus die Zugänglichkeit zwischen den Rillwerkzeugen und Förderrollen sehr eingeschränkt und der dazu benötigte Zeitbedarf relativ hoch.For the installation and removal of scoring tools, the shafts must be removed or rebuilt, which is time-consuming and thus significantly extends the changeover time. Likewise, the accessibility between the creasing tools and conveyor rollers is very limited for the correction of a paper jam and the time required for this relatively high.

Die DE202009008741 U1 beschreibt eine Rillvorrichtung, bei der die Rillwerkzeuge in voneinander trennbaren Teilen eines Gestells gelagert sind, wodurch sich der Aufwand für das Austauschen von Rillwerkzeugen und das Entfernen von aufgestauten Umschlägen wesentlich reduziert. Dabei muss das obere Teil des Gestells aber mit sämtlichen darin gelagerten Achsen hochgeklappt werden, wozu ein grosser Kraftaufwand nötig ist.The DE202009008741 U1 describes a creasing device in which the creasing tools are mounted in separable parts of a frame, whereby the cost of replacing creasing tools and the removal of dammed-up envelopes significantly reduced. However, the upper part of the frame must be complete with all stored therein axes are folded up, for which a great effort is needed.

Die WO0198088 A1 offenbart eine Rillvorrichtung, bei welcher der Abstand zwischen den als Rückenkante dienenden Rillen automatisch anhand der in der Transportklammer des Klebebinders gemessenen Buchblockdicke eingestellt wird. Der Abstand von der als Rückenkante dienenden Rille zur als Biegekante dienenden Rille hingegen ist unabhängig von der Buchblockdicke und muss nur selten verändert werden, so dass eine automatische Verstellung dieser Distanz hier nicht vorgesehen ist. Bei Bedarf kann dieser Abstand mittels manuell einstellbarer Rillwerkzeuge oder durch den kompletten Austausch der Rillwerkzeuge verändert werden. Eine Änderung der Wölbung der Rillen ist auch hier nur durch ein manuelles Wechseln der Rillwerkzeuge möglich.The WO0198088 A1 discloses a creasing device in which the distance between the grooves serving as the back edge is automatically adjusted according to the book block thickness measured in the transport clamp of the perfect binder. On the other hand, the distance from the groove serving as the back edge to the groove serving as the bending edge is independent of the book block thickness and rarely needs to be changed so that an automatic adjustment of this distance is not provided here. If necessary, this distance can be changed by means of manually adjustable scoring tools or by the complete replacement of scoring tools. A change in the curvature of the grooves is also possible here only by a manual change of scoring tools.

Aus der EP2050702 A2 ist eine Vorrichtung zum rotativen Rillen von flächigen Druckerzeugnissen, d.h. zum Ausbilden von jeweils zwei zusammengehörigen Rillen in einem Umschlagbogen, bekannt. Die Rillvorrichtung besteht im Wesentlichen aus zwei Rilleinheiten, mit jeweils zwei Paaren zusammenwirkender Rillwerkzeuge. Als Rillwerkzeuge sind jeweils ein Rillmesser sowie eine Rillmatrize ausgebildet und auf gegenläufig angetriebenen, parallel übereinander liegenden Wellen angeordnet. Durch axiales sowie gegeneinander erfolgendes Verschieben der Wellen der beiden Rilleinheiten und damit der jeweiligen Paare von Rillwerkzeugen kann der Abstand der beiden Rillenpaare eines Umschlagbogens an die Blockdicke eines zugehörigen Buchblocks angepasst werden.From the EP2050702 A2 is a device for rotatively grooving flat printed products, ie for forming two associated grooves in a cover sheet, known. The scoring device consists essentially of two scoring units, each with two pairs of cooperating scoring tools. As a scoring tools a creasing knife and a scoring die are each formed and arranged on counter-rotating, parallel superimposed waves. By axial as well as against each other shifting the waves of the two groove units and thus the respective pairs of creasing tools, the distance between the two pairs of grooves of a cover sheet can be adapted to the block thickness of an associated book block.

Aufgabe der Erfindung ist es, gattungsgemässe Verfahren zum Einbringen von mehreren Rillen in Druckbogen oder in Bahnen eines Bedruckstoffes bereitzustellen, die eine einfache und schnelle Umstellung der jeweiligen Rillenformen ermöglichen.The object of the invention is to provide generic methods for introducing a plurality of grooves in printing sheets or in webs of a printing material, which allow a simple and fast conversion of the respective groove shapes.

Erfindungsgemäss wird diese Aufgabe durch ein Verfahren gelöst, bei der zumindest eines der Werkzeugpaare einer Rillvorrichtung gemeinsam mit seinen Wellen und in einem ineinander eingreifenden Zustand seiner Rillwerkzeuge aus seiner Arbeitsposition in Richtung des anderen Werkzeugpaares und über dessen aktuelle Position hinaus bis zu einer einem nachfolgenden Arbeitsauftrag entsprechenden, neuen Arbeitsposition verschoben wird.According to the invention, this object is achieved by a method in which at least one of the pairs of tools of a scoring device together with its shafts and in an intermeshing state of its scoring tools from its working position in the direction of the other tool pair and beyond its current position is moved to a new work item corresponding to a subsequent work order.

Zum zusätzlichen Anpassen des Abstands der Rillenpaare an einen weiteren unterschiedlichen Arbeitsauftrag wird ein erstes Werkzeugpaar in einer ersten Arbeitsposition festgelegt und ein zweites Werkzeugpaar in eine von der ersten Arbeitsposition sowie von dem weiteren Arbeitsauftrag abhängigen zweiten Arbeitsposition verschoben. Das erste oder das zweite Werkzeugpaar kann dadurch in einer sogenannten Fixkantenstellung und das andere Werkzeugpaar in einer buchdickenabhängigen Stellung positioniert werden. Diese Weiterbildung des Verfahrens bietet den Vorteil, dass bei nacheinander folgenden Arbeitsaufträgen, die lediglich geringe Veränderungen des Abstands der Rillenpaare erfordern, eine Umstellung der Werkzeugpaare noch schneller erfolgen kann.For additional adjustment of the spacing of the groove pairs to a further different work order, a first tool pair is fixed in a first working position and a second tool pair is displaced into a second working position dependent on the first working position and on the further work order. The first or the second tool pair can thereby be positioned in a so-called fixed edge position and the other tool pair in a book thickness-dependent position. This development of the method offers the advantage that in successive work orders that require only small changes in the spacing of the groove pairs, a change of the tool pairs can be done even faster.

In einer weiteren Ausführungsform der Erfindung kann eine gemeinsame Halterung eines ersten Werkzeugpaares gemeinsam mit den Wellen und den Rillwerkzeugen und/oder eine gemeinsame Halterung eines zweiten Werkzeugpaares gemeinsam mit den Wellen und den Rillwerkzeugen verschoben werden. Diese Weiterbildung ermöglicht es mehrere Wellen gemeinsam zu verschieben, was durch eine einfache Vorrichtung realisiert werden kann und wobei die Positionierung der Rillwerkzeuge ohne relative Abweichungen zueinander erfolgt.In a further embodiment of the invention, a common mounting of a first pair of tools together with the shafts and the scoring tools and / or a common mounting of a second pair of tools can be moved together with the shafts and the scoring tools. This development makes it possible to move several waves together, which can be realized by a simple device and wherein the positioning of the scoring tools takes place without relative deviations from each other.

Wenn darüber hinaus die Halterungen der Wellen über Stellantriebe verschoben werden, kann dies vorteilhaft zu einer Erleichterung der Bedienbarkeit führen. Wenn zusätzlich eine Steuerung vorgesehen ist, welche zur Verstellung der Werkzeugpaare Steuersignale an die Stellantriebe sendet, führt dies zu einem höheren Automatisierungsgrad und erfordert demzufolge weniger manuelle Eingriffe eines Bedieners.In addition, if the brackets of the shafts are displaced via actuators, this can advantageously lead to a simplification of the operability. In addition, if a controller is provided, which sends control signals to the actuators for adjusting the pairs of tools, this leads to a higher degree of automation and consequently requires less manual intervention by an operator.

Dadurch dass ein Arbeitsauftrag eine Rillung je eines Umschlags mit den beiden voneinander beabstandeten Rillenpaaren für die Herstellung je eines Buchblocks vorgesehen ist, kann die Rillvorrichtung den Anforderungen vorteilhaft für die Verarbeitung jedes herzustellenden Buchblocks entsprechend angepasst werden.The fact that a work order a grooving each envelope is provided with the two spaced pairs of grooves for the preparation of each book block, the scoring device can be adapted to the requirements advantageous for the processing of each book block to be produced accordingly.

Nachstehend wird die Erfindung unter Bezugnahme auf die Figuren, auf die hinsichtlich aller erfindungswesentlichen und in der Beschreibung nicht näher herausgestellten Einzelheiten ausdrücklich Bezug genommen wird, erläutert. Alle für das unmittelbare Verständnis der Erfindung nicht wesentlichen Elemente sind weggelassen worden. Gleiche Elemente sind in den einzelnen Figuren mit den gleichen Bezugszeichen versehen. In der Zeichnung zeigt:

Fig. 1
eine Ansicht einer Rillvorrichtung, mit in einer ersten Arbeitsposition befindlichen Rillwerkzeugen,
Fig. 1a
einen vergrösserten Ausschnitt der Rillvorrichtung gemäss Fig. 1, im Bereich der Rillwerkzeuge,
Fig. 1b
einen Buchblock mit einem mit der Rillvorrichtung gemäss Fig. 1 hergestellten Umschlag,
Fig. 2
eine Ansicht der Rillvorrichtung gemäss Fig. 1, jedoch mit in einer zweiten Arbeitsposition befindlichen Rillwerkzeugen,
Fig. 2a
einen vergrösserten Ausschnitt der Rillvorrichtung gemäss Fig. 2, im Bereich der Rillwerkzeuge,
Fig. 2b
einen Buchblock mit einem mit der Rillvorrichtung gemäss Fig. 2 hergestellten Umschlag, und
Fig. 3
eine Ansicht der Lagerung der Wellen mit den Rillwerkzeugen in der Rillvorrichtung gemäss Fig. 1.
In the following, the invention will be explained with reference to the figures, to which reference is expressly made with respect to all details essential to the invention and not further detailed in the description. All elements not essential to the instant understanding of the invention have been omitted. The same elements are provided in the individual figures with the same reference numerals. In the drawing shows:
Fig. 1
a view of a creasing device, with scoring tools located in a first working position,
Fig. 1a
an enlarged section of the scoring device according to Fig. 1 in the field of scoring tools,
Fig. 1b
a book block with a with the creasing according to Fig. 1 manufactured envelope,
Fig. 2
a view of the creasing according to Fig. 1 but with scoring tools in a second working position,
Fig. 2a
an enlarged section of the scoring device according to Fig. 2 in the field of scoring tools,
Fig. 2b
a book block with a with the creasing according to Fig. 2 manufactured envelope, and
Fig. 3
a view of the storage of the waves with the scoring tools in the scoring device according to Fig. 1 ,

In Fig. 1 ist eine Rillvorrichtung 1 vereinfacht dargestellt. Als Basis für die Rillvorrichtung 1 dient ein Gestell 11, auf dem zwei im Wesentlichen parallel zueinander angeordnete Halterungen 7, 8 verschiebbar angeordnet sind. Die Halterungen 7, 8 dienen an ihren beiden Stirnseiten als Aufnahmeort für parallel zueinander verlaufende Wellen 20, 21, 30, 31, wobei auf jeder der Wellen 20, 21, 30, 31 je ein Rillwerkzeug 3, 4; 5, 6 angeordnet ist. Die vorderen Rillwerkzeuge 3, 4 bilden zusammen ein erstes, vorderes Werkzeugpaar 41 und die hinteren Rillwerkzeuge 5, 6 bilden zusammen ein zweites, hinteres Werkzeugpaar 42. Dabei sind die Rillwerkzeuge 3, 4 des ersten Werkzeugpaares 41 in einem axialen Abstand 29 zu den Rillwerkzeugen 5, 6 des zweiten Werkzeugpaares 42 angeordnet. Die Wellen 20, 21, 30, 31 weisen an einem ihrer Enden je ein Antriebsrad 15 auf.In Fig. 1 a scoring device 1 is shown simplified. As a basis for the creasing device 1 is a frame 11, on which two substantially mutually parallel brackets 7, 8 are arranged slidably. The brackets 7, 8 serve as a receiving location for parallel shafts 20, 21, 30, 31 at its two end faces, wherein on each of the shafts 20, 21, 30, 31 depending on a creasing tool 3, 4; 5, 6 is arranged. The front scoring tools 3, 4 together form a first, front pair of tools 41 and the rear scoring tools 5, 6 together form a second, rear pair of tools 42. The scoring tools 3, 4 of the first pair of tools 41 are at an axial distance 29 from the scoring tools 5 6 of the second tool pair 42. The shafts 20, 21, 30, 31 each have a drive wheel 15 at one of their ends.

Die Bezeichnungen "vordere" und "hintere" Werkzeugpaare 41, 42 beziehen sich auf die Darstellung gemäss Fig. 1 und Fig. 2, wobei in Fig. 1 eine mit dem Pfeil A bezeichnete Ansicht der Rillvorrichtung 1 in Fig. 1a und eine in Fig. 2 mit dem Pfeil B bezeichnete Ansicht der Rillvorrichtung 1 in Fig. 2a als Detailansicht vergrössert dargestellt ist. In Fig. 1a und 2a verdecken die vorderen Rillwerkzeuge 3, 4 mit den dazugehörigen Wellen 20, 21 jeweils die hinteren Rillwerkzeuge 5, 6 mit den dazugehörigen Wellen 30, 31 teilweise.The terms "front" and "back" tool pairs 41, 42 refer to the illustration according to Fig. 1 and Fig. 2 , where in Fig. 1 a designated by the arrow A view of the creasing device 1 in Fig. 1a and one in Fig. 2 with the arrow B view of the creasing device 1 in Fig. 2a is shown enlarged as a detailed view. In Fig. 1a and 2a The front scoring tools 3, 4 with the associated shafts 20, 21 each partially hide the rear scoring tools 5, 6 with the associated shafts 30, 31.

Die Halterungen 7, 8 sind gegenüber dem Gestell 11 über je einen am Gestell 11 angeordneten Stellantrieb 9, 10 seitlich verschiebbar angeordnet. Dadurch können die in den Halterungen 7, 8 aufgenommenen Wellen 20, 21; 30, 31 und damit die Rillwerkzeuge 3, 4; 5, 6 in Axialrichtung der Wellen 20, 21; 30, 31 und somit quer zu einer Förderrichtung F von mit der Rillvorrichtung 1 zu rillenden Druckbogen 2 verschoben werden. Eine Steuerung 75 ist, wie in Fig. 1 und 2 dargestellt, mit den Stellantrieben 9, 10 verbunden. Die Halterungen 7, 8 sind in dem Gestell 11 so angeordnet, dass sie jeweils mit dem Gestell 11 verbundene Führungen 13, 14 aufweisen, wobei jede Halterung 7, 8 in einer Führung 13, 14 quer zur Förderrichtung F gegenüber dem Gestell 11 verschiebbar angeordnet ist.The brackets 7, 8 are arranged laterally displaceable relative to the frame 11 via a respective actuator 9, 10 arranged on the frame 11. This allows the recorded in the holders 7, 8 shafts 20, 21; 30, 31 and thus the scoring tools 3, 4; 5, 6 in the axial direction of the shafts 20, 21; 30, 31 and thus transversely to a conveying direction F of be moved with the creasing device 1 to be printed sheet 2. A controller 75 is as in Fig. 1 and 2 shown connected to the actuators 9, 10. The holders 7, 8 are arranged in the frame 11 in such a way that they each have guides 13, 14 connected to the frame 11, wherein each holder 7, 8 is arranged displaceably in a guide 13, 14 transversely to the conveying direction F relative to the frame 11 ,

Die Wellen 20, 21; 30, 31 sind, wie in Fig. 3 dargestellt, jeweils mittels Wälz- oder Gleitlagern 22, 23 drehbar in Halblagerschalen 25, 27 der Halterungen 7, 8 gelagert. Zum Verriegeln der Wellen 20, 21; 30, 31 ist in den Halterungen 7, 8, oberhalb der Halblagerschalen 25, 27, jeweils ein Verschlussmechanismus 24 mit je einem Niederhalter 26 und einem in diesem federvorgespannten, geführten Stift 28 angeordnet.The waves 20, 21; 30, 31 are, as in Fig. 3 represented, in each case by means of rolling or sliding bearings 22, 23 rotatably mounted in half bearing shells 25, 27 of the holders 7, 8. For locking the shafts 20, 21; 30, 31 is in the holders 7, 8, above the half bearing shells 25, 27, in each case a closure mechanism 24, each with a hold-down 26 and a spring-biased in this, guided pin 28 is arranged.

Wie in den Fig. 1 dargestellt, steht ein einen in axialer Richtung verlängerten Zahnkranz 16 aufweisendes Antriebsrad 12 der Rillvorrichtung 1 mit den jeweils an einem Ende der Wellen 20, 21; 30, 31 angeordneten Antriebsrädern 15 im Eingriff. Durch die Ausbildung des Antriebsrades 12 mit dem Zahnkranz 16 ist auch bei einem lateralen Verschieben der Antriebsräder 15 ein Kraftschluss sichergestellt. Zum Antrieb der Rillvorrichtung 1 ist das Antriebsrad 12 mit dem Hauptantrieb einer mit der Rillvorrichtung zusammenwirkenden, nicht dargestellten Druckweiterverarbeitungsvorrichtung, beispielsweise mit einem Klebebinder oder einem Sammelhefter, oder mit einem separaten Antrieb verbunden.As in the Fig. 1 shown, is a one in the axial direction elongated ring gear 16 having drive wheel 12 of the creasing device 1 with each at one end of the shafts 20, 21; 30, 31 arranged drive wheels 15 in engagement. Due to the design of the drive wheel 12 with the ring gear 16, a frictional connection is ensured even with a lateral displacement of the drive wheels 15. To drive the creasing device 1, the drive wheel 12 is connected to the main drive of a cooperating with the creasing device, not shown, print finishing device, for example with an adhesive binder or a saddle stitcher, or connected to a separate drive.

Die Rillwerkzeuge 3, 4; 5, 6 weisen jeweils eine Erhebung 17 und eine davon beabstandete Vertiefung 18 rings um ihren zylindrischen Grundkörper auf. Die Erhebungen 17 und die Vertiefungen 18 sind auf den gegenüberliegenden Rillwerkzeugen 3, 4; 5, 6 eines Werkzeugpaares 41, 42 spiegelsymmetrisch zu einer gedachten Mittelebene 70 der Werkzeugpaare 41, 42 und komplementär angeordnet, d.h. jede Erhebung 17 passt in je eine Vertiefung 18 des gegenüberliegenden Rillwerkzeugs 3, 4; 5, 6.The scoring tools 3, 4; 5, 6 each have a survey 17 and a spaced-apart recess 18 around its cylindrical body. The elevations 17 and the recesses 18 are on the opposite scoring tools 3, 4; 5, 6 of a tool pair 41, 42 mirror-symmetrical to an imaginary center plane 70 of the tool pairs 41, 42 and arranged complementarily, i. each elevation 17 fits into a respective recess 18 of the opposing scoring tool 3, 4; 5, 6.

In Fig. 1 sind die Rillwerkzeuge 3, 4; 5, 6 der Rillvorrichtung 1 in einer ersten Bearbeitungsposition 51 dargestellt, die für die Herstellung eines in Fig. 1b gezeigten Umschlags 101 erforderlich ist. Bei diesem Umschlag 101 sind zwei erste, von einem Buchblock 100 aus gesehen, nach aussen gerichtete (konvexe), im fertiggestellten Buch als Rückenkanten dienende Rillen dargestellt. Zudem sind zwei zweite, vom Buchblock 100 aus gesehen, nach innen gerichtete (konkave), im fertiggestellten Buch als Biegekanten zum Öffnen des Umschlags 101 dienende Rillen ausgebildet, welche vom Buchblock 100 etwas weiter entfernt als die beiden ersten Rillen angeordnet sindIn Fig. 1 are the creasing tools 3, 4; 5, 6 of the creasing device 1 shown in a first processing position 51, which is used for the production of a in Fig. 1b shown envelope 101 is required. In this envelope 101, two first, viewed from a book block 100 outwardly directed (convex), in the finished book serving as back edges grooves are shown. In addition, two second, as viewed from the book block 100, inwardly directed (concave), in the finished book as bending edges for opening the envelope 101 serving grooves formed which are arranged from the book block 100 slightly further than the first two grooves

In Fig.3 ist die Befestigung der Rillwerkzeuge 3, 4; 5, 6 bzw. der Wellen 20, 21; 30, 31 an den Halterungen 7, 8 aus einer anderen Perspektive dargestellt. Die Beschreibung erfolgt hier nur für eine Stirnseite der Halterung 8, gilt aber analog sowohl für deren gegenüberliegende Stirnseite als auch für die Halterung 7. Die Rillwerkzeuge 5, 6 sind fest auf ihren Wellen 30, 31 angeordnet, welche ihrerseits mittels der Wälz- oder Gleitlager 22, 23 drehbar in den Halblagerschalen 25, 27 der Halterung 8 befestigt sind. Jeweils ein Verschlussmechanismus 24 ist über dem oberen Wälz- oder Gleitlager 23 angeordnet. Dabei ist oberhalb des unteren Wälz- oder Gleitlagers 22 ein Niederhalter 26 mit einem Stift 28 ist angeordnet.In Figure 3 is the attachment of the scoring tools 3, 4; 5, 6 or the shafts 20, 21; 30, 31 on the brackets 7, 8 shown from a different perspective. The description is made here only for one end face of the holder 8, but applies analogously both for their opposite end face and for the holder 7. The scoring tools 5, 6 are fixedly arranged on their shafts 30, 31, which in turn by means of rolling or sliding bearings 22, 23 are rotatably mounted in the half bearing shells 25, 27 of the holder 8. In each case, a closure mechanism 24 is disposed above the upper rolling or sliding bearing 23. In this case, above the lower rolling or sliding bearing 22, a hold-down 26 with a pin 28 is arranged.

Zum Einbringen von mehreren voneinander beabstandeten Rillenpaaren 61, 62 in Druckbogen 2 oder in Bahnen eines Bedruckstoffes werden die Druckbogen 2 oder Bahnen der Rillvorrichtung 1 zunächst in einer Förderrichtung F, in einem seriellen Strom zugeführt, wie in den Fig. 1 und 2 angedeutet. Die Förderung der Druckbogen 2 oder Bahnen in der Rillvorrichtung 1 erfolgt durch die Rillwerkzeuge 2, 3; 4, 5 und/oder durch zusätzlich auf den Wellen 20, 21; 30, 31 angeordnete Förderrollen und/oder durch auf eigenen Wellen angeordnete Förderrollen oder Förderwalzen durch Reibschluss (aus Übersichtsgründen in den Zeichnungen nicht dargestellt). Dabei sind wenigstens die unteren Rillwerkzeuge 3, 5 oder die oberen Rillwerkzeuge 4, 6 und/oder Förderrollen und/oder Förderwalzen angetrieben.For introducing a plurality of spaced-apart groove pairs 61, 62 in sheet 2 or in webs of a printing material, the printing sheets 2 or webs of the creasing device 1 are first fed in a conveying direction F, in a serial stream, as in Fig. 1 and 2 indicated. The promotion of the printed sheet 2 or webs in the creasing device 1 takes place by the creasing tools 2, 3; 4, 5 and / or additionally on the shafts 20, 21; 30, 31 arranged conveyor rollers and / or arranged on their own waves conveyor rollers or conveyor rollers by frictional engagement (not shown for clarity in the drawings). In this case, at least the lower scoring tools 3, 5 or the upper scoring tools 4, 6 and / or conveyor rollers and / or conveyor rollers are driven.

Mit den Stellantrieben 9, 10 werden die Halterungen 7, 8 und damit die Rillwerkzeuge 3, 4; 5, 6 quer zur Förderrichtung F der Druckbogen 2 oder Bahnen des Bedruckstoffes verschoben, um entweder eine Anpassung der Rillenpaare 61, 62, insbesondere der als Rückenkanten dienenden Rillen, an die Dicke des Buchblocks 100 oder einen kompletten Wechsel der Produktion für die Herstellung von Umschlägen 101 gemäss Fig. 1b oder 2b durchzuführen. Für die Herstellung eines Umschlags 101 gemäss Fig. 1b wird das rotierend angetriebene erste Werkzeugpaar 41 der Rillwerkzeuge 3, 4 durch Verstellen der Halterung 7 über den Antrieb 9 bezüglich der Förderrichtung F gemeinsam mit seinen Wellen 20, 21 nach rechts verschoben. Dieser Vorgang erfolgt paarweise, jeweils in einem ineinander eingreifenden Zustand der Rillwerkzeuge 3, 4 des ersten Werkzeugpaares 41, wobei dessen Wellen 20, 21 durch Verstellen der Halterung 7 entlang ihrer jeweiligen Achse, kraftschlüssig entlang des Antriebsrads 16 verschoben werden.With the actuators 9, 10, the holders 7, 8 and thus the scoring tools 3, 4; 5, 6 transversely to the conveying direction F of the sheet 2 or webs of the substrate shifted to either an adjustment of the groove pairs 61, 62, in particular serving as back edges grooves, to the thickness of the book block 100 or a complete change of production for the production of envelopes 101 according to Fig. 1b or 2 B perform. For the production of an envelope 101 according to Fig. 1b is the rotationally driven first pair of tools 41 of the creasing tools 3, 4 shifted by adjusting the holder 7 via the drive 9 with respect to the conveying direction F together with its shafts 20, 21 to the right. This process takes place in pairs, each in an intermeshing state of the scoring tools 3, 4 of the first pair of tools 41, wherein the shafts 20, 21 are moved by adjusting the holder 7 along its respective axis, non-positively along the drive wheel 16.

Gleichzeitig wird das ebenfalls rotierend angetriebene zweiten Werkzeugpaar 42 der Rillwerkzeuge 5, 6 durch Verstellen der Halterung 8 über den Antrieb 10 bezüglich der Förderrichtung F nach links verschoben. Dieser Vorgang erfolgt gleichfalls paarweise, jeweils in einem ineinander eingreifenden Zustand der Rillwerkzeuge 4, 5 des zweiten Werkzeugpaares 42, wobei dessen Wellen 30, 31 durch Verstellen der Halterung 8 entlang ihrer Achse und kraftschlüssig entlang des Antriebsrads 16 verschoben werden. Dabei wird zumindest eines der Werkzeugpaare 41, 42 gemeinsam mit seinen Wellen 20, 21; 30, 31 und in einem ineinander eingreifenden Zustand seiner Rillwerkzeuge 3, 4; 5, 6 aus seiner Arbeitsposition 55, 56 in Richtung des anderen Werkzeugpaares 42, 41 und über dessen aktuelle Position hinaus bis zu einer einem nachfolgenden Arbeitsauftrag entsprechenden, neuen Arbeitsposition 57, 58 verschoben.At the same time, the likewise rotatably driven second pair of tools 42 of the scoring tools 5, 6 is moved by adjusting the holder 8 via the drive 10 with respect to the conveying direction F to the left. This process also takes place in pairs, each in an intermeshing state of the scoring tools 4, 5 of the second tool pair 42, wherein the shafts 30, 31 are displaced by adjusting the holder 8 along its axis and non-positively along the drive wheel 16. In this case, at least one of the pairs of tools 41, 42 together with its shafts 20, 21; 30, 31 and in an intermeshing state of its scoring tools 3, 4; 5, 6 shifted from its working position 55, 56 in the direction of the other tool pair 42, 41 and beyond its current position to a new working position 57, 58 corresponding to a subsequent work order.

Der Antrieb der Rillvorrichtung 1 erfolgt durch das Antriebsrad 12, das mit dem Hauptantrieb des Klebebinders über ein Getriebe oder über eine elektrische Welle , oder mit einem separaten Antrieb verbunden ist. Die Kraftübertragung vom Antriebsrad 12 erfolgt über ein aus dessen verlängertem Zahnkranz 16 und den mit diesem formschlüssig verbundenen Antriebsrädern 15 der Wellen 20, 21; 30, 31 gebildeten Zahnradgetriebe 19, das eine permanente Kraftübertragung gewährleistet.The drive of the creasing device 1 is effected by the drive wheel 12, which is connected to the main drive of the perfect binder via a gear or via an electric shaft, or with a separate drive. The power transmission from the drive wheel 12 via an extended from its sprocket 16 and the form-fittingly connected to this drive wheels 15 of the shafts 20, 21; 30, 31 formed gear transmission 19, which ensures a permanent power transmission.

Die Stellantriebe 9, 10 werden in einer ersten Bearbeitungsposition 51, die einer Normalstellung entspricht, gemäss Fig. 1 derart verschoben, dass die Rillwerkzeuge 3, 4 auf die Fixkantenposition und die Rillwerkzeuge 5, 6 je nach gewünschter Buchblockdicke in eine variable Position ausgerichtet werden. In dieser ersten Bearbeitungsposition 51 entstehen beim Bearbeiten der Druckbogen 2 eines Bedruckstoffes mit der Rillvorrichtung 1 Umschläge mit Rillen 61, 62 gemäss Fig. 1b. Die Steuerung 75 sendet zur Verstellung der Werkzeugpaare Steuersignale an die Stellantriebe 9, 10.The actuators 9, 10 are in a first processing position 51, which corresponds to a normal position, according to Fig. 1 shifted so that the creasing tools 3, 4 are aligned to the fixed edge position and the creasing tools 5, 6 depending on the desired book block thickness in a variable position. In this first processing position 51 arise when editing the sheet 2 of a printing material with the creasing device 1 envelopes with grooves 61, 62 according to Fig. 1b , The controller 75 sends to adjust the tool pairs control signals to the actuators 9, 10th

Die Stellantriebe 9, 10 werden in einer zweiten Arbeitsposition 52 gemäss Fig. 2 derart verschoben, dass die Rillwerkzeuge 5, 6 auf die Fixkantenposition und die Rillwerkzeuge 3, 4 je nach gewünschter Buchblockdicke in eine variable Position ausgerichtet werden. In dieser zweiten Arbeitsposition 52 entstehen beim Bearbeiten der Druckbogen 2 eines Bedruckstoffes mit der Rillvorrichtung 1 Umschläge mit Rillen 61, 62 gemäss Fig. 2b.The actuators 9, 10 are in a second working position 52 according to Fig. 2 shifted so that the scoring tools 5, 6 are aligned to the fixed edge position and the scoring tools 3, 4 depending on the desired book block thickness in a variable position. In this second working position 52 arise when editing the sheet 2 of a printing material with the creasing device 1 envelopes with grooves 61, 62 according to Fig. 2b ,

Eine Demontage der Rillwerkzeuge 5, 6 kann bei Betrachtung von Fig. 3 nachvollzogen werden. Dafür wird ein Verschlussmechanismus 24 gelöst, so dass das Wälz- oder Gleitlager 23 der oberen Welle 31 nur noch auf der Halblagerschale 27 der Halterung 8 aufliegt und somit die komplette Welle 31 aus der Halterung 8 herausgenommen werden kann. Liegt das Wälz- oder Gleitlager 23 nicht mehr auf der Halblagerschale 27 auf, ist der Niederhalter 26, dessen federvorgespannter Stift 28 das Wälz- oder Gleitlager 22 der unteren Welle 30 in der Halblagerschale 25 fixiert, frei nach oben verschiebbar. Somit kann auch die untere Welle 30 aus der Halterung 8 entnommen werden. Um eine Verstellung des von der Dicke des Druckbogens 2 abhängigen Abstands der Rillwerkzeuge 5, 6 zueinander vorzunehmen, wird die Halblagerschale 25 der unteren Welle 30 vertikal verstellt.A disassembly of the scoring tools 5, 6 may, in consideration of Fig. 3 be traced. For a closure mechanism 24 is released, so that the rolling or sliding bearing 23 of the upper shaft 31 rests only on the half bearing shell 27 of the holder 8 and thus the complete shaft 31 can be removed from the holder 8. If the rolling or sliding bearing 23 is no longer resting on the half bearing shell 27, the hold-down 26, whose spring-biased pin 28 fixes the rolling or sliding bearing 22 of the lower shaft 30 in the half bearing shell 25, is freely displaceable upwards. Thus, the lower shaft 30 can be removed from the holder 8. To make an adjustment of the thickness of the printing sheet 2 dependent distance of the scoring tools 5, 6 to each other, the half bearing shell 25 of the lower shaft 30 is adjusted vertically.

Der Niederhalter ist Bestandteil der Funktion des Verschlussmechanismus. Mit dem Verschlussmechanismus wird die obere Welle in die oberen Halblagerschalen der Halterung gedrückt. Das Lager drückt dabei gleichzeitig auf den Niederhalter welcher über den gefederten Stift die untere Welle in die unteren Halblagerschalen der Halterung drückt.The hold-down is part of the function of the locking mechanism. The locking mechanism pushes the upper shaft into the upper half bearing shells of the bracket. At the same time, the bearing presses on the hold-down device which presses the lower shaft into the lower half-bearing shells of the holder via the spring-loaded pin.

Die Fig. 2, 2a, 2b entsprechen im Wesentlichen den Fig. 1, 1a, 1b. Jedoch sind in Fig. 2 die Rillwerkzeuge 3, 4; 5, 6 der Rillvorrichtung 1 in einer zweiten Arbeitsposition 52 dargestellt, die für die Herstellung eines in Fig. 2b gezeigten Umschlags 101 erforderlich ist. Bei diesem Umschlag sind zwei erste, vom Buchblock 100 aus gesehen, nach innen gerichtete (konkave), im fertiggestellten Buch als Rückenkanten dienende Rillen 61 dargestellt. Zudem sind zwei zweite, vom Buchblock 100 aus gesehen, jedoch nach aussen gerichtete (konvexe), im fertiggestellten Buch als Biegekanten zum Öffnen des Umschlags 101 dienende Rillen 62 ausgebildet, wobei letztere vom Buchblock 100 etwas weiter entfernt als die beiden ersten Rillen 61 angeordnet sind.The Fig. 2, 2a, 2b essentially correspond to the Fig. 1, 1a, 1b , However, in Fig. 2 the scoring tools 3, 4; 5, 6 of the creasing device 1 shown in a second working position 52, which is used for the production of a in Fig. 2b shown envelope 101 is required. In this envelope, two first, seen from the book block 100, inwardly directed (concave), in the finished book serving as back edges grooves 61 are shown. In addition, two second, as viewed from the book block 100, but outwardly directed (convex), in the finished book as bending edges for opening the envelope 101 serving grooves 62 are formed, the latter being arranged from the book block 100 slightly further than the first two grooves 61 ,

Claims (6)

  1. Method of introducing two pairs of creases (61, 62) disposed at a distance from one another into printed sheets (2) or into webs of a printing material transported by a creasing device (1) in a conveying direction (F) of the creasing device (1) and into which the pairs of creases (61, 62) are introduced by means of creasing tools (3, 4; 5, 6) cooperating in pairs, each arranged on a shaft (20, 21; 30, 31) and driven in rotation at least by one shaft (20, 21; 30, 31), wherein the creasing tools (3, 4; 5, 6) form two tool pairs (41, 42) each arranged in a working position (55, 56) disposed at a distance from one another in accordance with a work order, wherein each creasing tool (3, 4; 5, 6) has a protuberance (17) and a depression (18), wherein the protuberances (17) and depressions (18) of the creasing tools (3, 4; 5, 6) of one tool pair (41, 42) are designed to be complementary to one another and wherein the protuberances (17) and depressions (18) of the tool pairs (41, 42) are arranged in mirror symmetry relative to an imaginary centre plane (70) of the tool pairs (41, 42),
    characterised in that
    at least one of the tool pairs (41, 42), together with its shafts (20, 21; 30, 31) and with its creasing tools (3, 4; 5, 6) in a meshing state, is moved from its working position (55, 56) in the direction of the other tool pair (42, 41) and beyond the current position thereof to a new working position (57, 58) corresponding to a subsequent work order.
  2. Method according to claim 1, characterised in that, in order to further adapt the spacing of the pairs of creases (61, 62) to another different work order, a first tool pair (41, 42) is fixed in a first working position (55) and a second tool pair (41, 42) is moved into a second working position (58) dependent on its first working position (56) and on the further work order.
  3. Method according to either of claims 1 or 2, characterised in that a joint holder (7) of a first tool pair (41) is moved together with the shafts (20, 21) and the creasing tools (3, 4) and/or a joint holder (8) of a second tool pair (42) is moved together with the shafts (30, 31) and the creasing tools (5, 6).
  4. Method according to claim 3, characterised in that the holders (7, 8) of the shafts (20, 21; 30, 31) are moved via actuators (9, 10).
  5. Method according to claim 4, characterised by a controller (75) that sends control signals to the actuators (9, 10) in order to adjust the tool pairs (41, 42).
  6. Method according to one of claims 1 to 5, characterised in that a work order includes creasing a cover (101) with the two pairs of creases (61, 62) disposed at a distance from one another for the production of a book block (100).
EP13196601.2A 2012-12-14 2013-12-11 Creasing method Active EP2743072B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH27982012 2012-12-14

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EP2743072A1 EP2743072A1 (en) 2014-06-18
EP2743072B1 true EP2743072B1 (en) 2018-09-05

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108001767A (en) * 2017-12-25 2018-05-08 佛山市锦智能装备有限公司 Film packaging rolls impression device
DE102022108015A1 (en) * 2022-04-04 2023-10-05 Weber Maschinenbau Gmbh Breidenbach Device for cutting food packaging, system with a cutting knife and a cutting knife holder, method for converting the device and method for changing a distance between two cutting knives

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1511033B1 (en) * 1963-03-21 1969-09-25 Windmoeller & Hoelscher Creasing device for pre-creasing fold lines in bag machines
US6364590B1 (en) * 2000-08-01 2002-04-02 Hewlett-Packard Company Book cover preparation system
DE102007049636A1 (en) * 2007-10-17 2009-04-23 Kolbus Gmbh & Co. Kg Device for rotationally grooving sheet-like printed products
US8128331B2 (en) * 2008-07-15 2012-03-06 R.R. Donnelley & Sons Company Methods and apparatus to score book covers
DE102008060073A1 (en) * 2008-12-02 2010-06-10 Dgr-Graphic Gmbh Method for creasing envelope with production of brochures in adhesive binder, involves producing strokes in mechanical, pneumatic or hydraulic manner
IT1394812B1 (en) * 2009-07-13 2012-07-13 Panotec Srl MACHINE FOR CUTTING AND / OR CORDONING A RELATIVELY RIGID MATERIAL, SUCH AS EXAMPLE CARDBOARD, CUTTING GROUP AND / OR CORDONATURE AND ITS CUTTING AND / OR CORDONATURE PROCEDURE

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