EP2147759A1 - Method and device for cutting at least one side border of bound printed products - Google Patents

Method and device for cutting at least one side border of bound printed products Download PDF

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Publication number
EP2147759A1
EP2147759A1 EP20080161112 EP08161112A EP2147759A1 EP 2147759 A1 EP2147759 A1 EP 2147759A1 EP 20080161112 EP20080161112 EP 20080161112 EP 08161112 A EP08161112 A EP 08161112A EP 2147759 A1 EP2147759 A1 EP 2147759A1
Authority
EP
European Patent Office
Prior art keywords
cutting
cut
printed products
press ram
support elements
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
Application number
EP20080161112
Other languages
German (de)
French (fr)
Other versions
EP2147759B1 (en
Inventor
Hanspeter Meyer
Heinrich-Tito Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mueller Martini Holding AG
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Mueller Martini Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Priority to EP20080161112 priority Critical patent/EP2147759B1/en
Priority to US12/507,511 priority patent/US8453547B2/en
Priority to JP2009172586A priority patent/JP5506268B2/en
Publication of EP2147759A1 publication Critical patent/EP2147759A1/en
Application granted granted Critical
Publication of EP2147759B1 publication Critical patent/EP2147759B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0081—Cutting on three sides, e.g. trilateral trimming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/2068—Plural blasts directed against plural product pieces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2183—Product mover including gripper means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/748—With work immobilizer
    • Y10T83/7487—Means to clamp work
    • Y10T83/7573—Including clamping face of specific structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/872—With guard means
    • Y10T83/8722—Static
    • Y10T83/8723—Adjustable

Definitions

  • the invention relates to a method and apparatus for trimming at least one side edge of bound printed products, such as book blocks, books, brochures or magazines, on a cutting table, the printed products are fed into a cutting position and held by a deliverable punch during trimming by means of powered cutting blade ,
  • Devices of the type mentioned are known as three-cutter or trimmer and are used for three-sided trimming the side edges of bound printed products, such as books, magazines, book blocks or similar sheet products.
  • the printed products are first aligned with their backs and the side edges and pressed in this state on their flat sides between a cutting table and acting against this press ram.
  • the applied pressing force must be at least so high that during the cutting process, the printed product due to the cutting forces can not move in itself, or against the ram.
  • the distribution of the pressing force over the surface of the printed products is chosen so that the specific pressure on the printed product is higher in the areas of the side edges to be trimmed than in the remaining areas.
  • This unevenness can be caused by printed sheets embedded in the printed product, with a running direction transversely to the bound edge of the printed product and the resulting wave formation, by folds on the side edge to be trimmed, air pockets between the pages or other reasons.
  • the upper surface of the printed products resting on the cutting table can assume a concave shape.
  • this object is achieved in that the punch exerts an impact force acting on at least one of the upper sheet of a printed product upon impact of its surface on a printed product.
  • Cutting device 1 shown is provided for trimming at least one side edge 3 bound printed products 2 or the like.
  • Cutting material such as book blocks, books, brochures or magazines.
  • the previously bound in the back area printed product 2 is lying, individually or in stacks, fed in the conveying direction F of the cutting device 1 and cut by this at the three free side edges 3.
  • the cutting device 1 has a cutting table 4, to which the material to be cut can be fed into a cutting position, a material to be pressed at least during the cutting operation against the cutting table 4, liftable ram 5, one from a starting position against the cutting table 4 and driven back cutting blade 6, and a counter blade or the cutting stroke of the cutting blade 6 limiting cutting bar 8.
  • the press ram 5 has on its upper side a support 17 connected to a guide rod 7, wherein the guide rod 7 is drivingly connected to a cam drive, an electric servo drive, a pneumatic or hydraulic drive in the pressing direction P.
  • the punch has an elastic surface 9 facing the material to be cut, at least in the vicinity of a cutting edge 3, extending approximately transversely to the pressing direction P, which is connected to a layer 10 connected to the support 17.
  • the expansion transverse to the pressing direction P is effected by the design of the layer 10, which expands as a result of the force build-up in the direction of the pressing direction P transverse to the pressing direction P.
  • the surface 9 of the ram 5 is formed at least partially interrupted.
  • the surface 9 of the ram 5 arranged at an acute angle ⁇ to the pressing direction P protruding support members 11.
  • the cutting material facing the ends 12 of the support members 11 are formed deflectable in at least one of the expansion directions 13,14 of the surface 9 of the ram 5.
  • the device according to the invention is primarily intended for stretching in the expansion direction 14 along the side edges 3 opposite the bound spine of the material to be cut, it can also be used for stretching in the expansion direction 13, transversely to the bound spines of the material being cut.
  • the support members 11 are formed such that they resp. load in the pressing direction P after the corners 15 of the material to be cut. act diagonally to the side edges 3 of the cutting material.
  • the support elements 11 are formed like a strip.
  • it is not essential whether the support elements 11 are formed as continuous strips from edge region to edge region of the press ram 5 or by a plurality of short strips arranged one behind the other.
  • the strip-like support elements 11 are curved. In this way, the spring rate of the layer 10 can be influenced or adapted to the properties of the material to be cut.
  • the spaces between the support elements 11 are shown as free spaces. Likewise, these rooms could be filled with an elastic material, resp. the support elements 11 may be embedded in an elastic material, for example, to adapt the spring rate of the layer 10 to the properties of the material to be cut.
  • the surface 9 of the press ram 5 is formed by an at least partially elastically deformable plate 16.
  • the invention is not limited to cutting devices 1, which perform the trimming of all three side edges 3 in the same position, but also relates to cutting devices (1) which perform trimming only one or two side edges 3 in the same cutting position. Also, the invention relates to cutting devices (1), the cutting blade 6 work against cutting strips 8 or a counter blade. The invention relates both to almost full-surface press punches 5 as well as narrow, strip-shaped press punches. 5

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

The method involves feeding printed products in a cutting position on a cutting table. The side border is cut by a driven cutting blade retained by a pressure ram (5). The pressure ram exerts stretch force acting on an upper sheet of the printed product by impinging a surface area (9) on a printed product. An independent claim is included for a device for cutting a side border of bound printed products, and for use with a trimmer for printed products.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung für den Beschnitt wenigstens einer Seitenkante gebundener Druckerzeugnisse, wie beispielsweise Buchblocks, Bücher, Broschuren oder Zeitschriften, auf einem Schneidtisch, dem die Druckerzeugnisse in eine Schneidposition zugeführt und beim Beschneiden mittels angetriebenem Schneidmesser durch einen zustellbaren Pressstempel festgehalten werden.The invention relates to a method and apparatus for trimming at least one side edge of bound printed products, such as book blocks, books, brochures or magazines, on a cutting table, the printed products are fed into a cutting position and held by a deliverable punch during trimming by means of powered cutting blade ,

Einrichtungen der eingangs genannten Art sind als Dreischneider oder Trimmer bekannt und werden für den dreiseitigen Beschnitt der Seitenkanten von gebundenen Druckerzeugnissen, wie Büchern, Zeitschriften, Buchblocks oder ähnlichen flächigen Produkten eingesetzt. Zum Erreichen eines möglichst genauen Schnittes, werden die Druckerzeugnisse zuerst nach deren Rücken und den Seitenkanten ausgerichtet und in diesem Zustand an ihren flächigen Seiten zwischen einem Schneidtisch und einem gegen diesen wirkenden Pressstempel gepresst. Die aufzubringende Presskraft muss mindestens so hoch sein, dass sich während dem Schneidvorgang das Druckerzeugnis infolge der Schnittkräfte weder in sich, noch gegenüber dem Pressstempel verschieben kann. Zudem wird die Verteilung der Presskraft über die Fläche der Druckerzeugnisse so gewählt, dass die spezifische Pressung auf das Druckerzeugnis in den Bereichen der zu beschneidenden Seitenkanten höher ist als in den restlichen Bereichen. Dies kann erreicht werden, indem die Dicke des Pressstempels in dessen Randbereichen grösser gewählt wird als an den übrigen Stellen. In der Praxis hat sich gezeigt, dass bei gewissen Druckerzeugnissen deren Oberfläche in nicht gepresstem Zustand sehr uneben sein kann. Diese Unebenheit kann durch in das Druckerzeugnis eingebundene Druckbogen mit Laufrichtung quer zu der gebundenen Kante des Druckerzeugnisses und dadurch verursachter Wellenbildung, durch Falze an der zu beschneidenden Seitenkante, Lufteinschlüsse zwischen den Seiten oder anderen Gründen entstehen. Dadurch kann die obere Fläche der auf dem Schneidtisch aufliegenden Druckerzeugnisse eine konkave Form annehmen. Beim gleichzeitigen Beschneiden von mehreren aufeinander gestapelten Exemplaren kumuliert sich dieser Fehler an der Oberseite des obersten Exemplars. Bei Beginn des Pressvorgangs erfolgt in diesem Fall der erste Kontakt zwischen Druckerzeugnis und Pressstempel in den Randbereichen, womit die Druckerzeugnisse zwischen Pressstempel und Schneidtisch in dieser Lage fixiert werden resp. sich der dem Pressstempel zugewandte Bereich der Druckerzeugnisse während dem Aufbau der Presskraft gegenüber der Oberfläche des Pressstempels nicht mehr verschieben kann. Die sich zwischen diesen Kontaktstellen befindenden Bereiche der Umschläge sind somit etwas länger als der entsprechende geradlinig verlaufende Teil des Pressstempels. Die Folge ist, dass beim Fortschreiten des Pressvorgangs sich jeweils eine Welle im Umschlag bildet, die von aussen nach innen läuft, bis sie auf die von der gegenüberliegenden Seite nach innen verlaufende Welle auftrifft. Dadurch wird der Umschlag gestaucht resp. geknittert und in der Folge durch den Pressstempel gepresst. Als Folge ergeben sich an den obersten Seiten von Umschlag und Inhalt bleibende Quetschfalten, die zu einer verminderten Qualität resp. Ausschuss führen können.Devices of the type mentioned are known as three-cutter or trimmer and are used for three-sided trimming the side edges of bound printed products, such as books, magazines, book blocks or similar sheet products. To achieve the most accurate cut, the printed products are first aligned with their backs and the side edges and pressed in this state on their flat sides between a cutting table and acting against this press ram. The applied pressing force must be at least so high that during the cutting process, the printed product due to the cutting forces can not move in itself, or against the ram. In addition, the distribution of the pressing force over the surface of the printed products is chosen so that the specific pressure on the printed product is higher in the areas of the side edges to be trimmed than in the remaining areas. This can be achieved by selecting the thickness of the press ram in its edge regions greater than at the remaining locations. In practice, it has been shown that in certain printed products whose surface can not be very uneven when not pressed. This unevenness can be caused by printed sheets embedded in the printed product, with a running direction transversely to the bound edge of the printed product and the resulting wave formation, by folds on the side edge to be trimmed, air pockets between the pages or other reasons. As a result, the upper surface of the printed products resting on the cutting table can assume a concave shape. When cropping multiple stacked copies at the same time, this error accumulates at the top of the top one. At the beginning of the pressing process takes place in this case, the first contact between the printed product and press punches in the edge areas, whereby the printed products between the punch and cutting table are fixed in this position, respectively. the area of the printed products facing the press ram can no longer move during the build-up of the pressing force relative to the surface of the press ram. The areas of the envelopes located between these contact points are thus somewhat longer than the corresponding rectilinear part of the press ram. The result is that as the pressing process progresses, a wave forms in the envelope, the from the outside inwards until it impinges on the shaft running in from the opposite side. As a result, the envelope is compressed resp. wrinkled and pressed in the episode by the press ram. As a result, resulting on the top sides of the envelope and contents lasting creases, which respectively to a reduced quality. Committee can lead.

Es ist Aufgabe der Erfindung, ein gattungsgemässes Verfahren und eine entsprechende Vorrichtung zu schaffen, die beim Pressvorgang eine Bildung von Quetschfalten an der dem Pressstempel zugewandten Seite der Druckerzeugnisse vermeidet.It is an object of the invention to provide a generic method and a corresponding device, which avoids the formation of creases on the side facing the ram of the printed products during the pressing process.

Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass der Pressstempel beim Auftreffen seiner Oberfläche auf einem Druckerzeugnis eine zumindest auf den oberen Bogen eines Druckerzeugnisses einwirkende Streckkraft ausübt.According to the invention this object is achieved in that the punch exerts an impact force acting on at least one of the upper sheet of a printed product upon impact of its surface on a printed product.

Anschliessend wird die vorgeschlagene Einrichtung unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht erwähnten Einzelheiten verwiesen wird, anhand eines Ausführungsbeispiels erläutert. In der Zeichnung zeigen:

Fig. 1
Eine vereinfachte räumliche Ansicht einer Schneideinrichtung,
Fig. 2
eine Ansicht auf eine erfindungsgemässe Einrichtung in Förderrichtung betrachtet, mit ungepresstem Schneidgut,
Fig. 3
die Einrichtung nach Fig. 2 mit gepresstem Schneidgut,
Fig. 4
einen Pressstempel in vereinfachter räumlicher Darstellung von unten betrachtet in einer ersten Ausführung,
Fig. 5
einen Pressstempel in vereinfachter räumlicher Darstellung von unten betrachtet in einer zweiten Ausführung,
Fig. 6
einen Pressstempel in vereinfachter räumlicher Darstellung von unten betrachtet in einer dritten Ausführung und
Fig. 7
einen Pressstempel in vereinfachter räumlicher Darstellung von unten betrachtet in einer vierten Ausführung.
Subsequently, the proposed device is explained with reference to the drawing, to which reference is made with respect to all details not mentioned in the description, using an exemplary embodiment. In the drawing show:
Fig. 1
A simplified spatial view of a cutting device,
Fig. 2
a view of an inventive device viewed in the conveying direction, with ungepresstem cutting material,
Fig. 3
the device after Fig. 2 with pressed cutting material,
Fig. 4
a press stamp in a simplified spatial representation viewed from below in a first embodiment,
Fig. 5
a punch in a simplified spatial view from below viewed in a second embodiment,
Fig. 6
a punch in a simplified spatial view from below in a third embodiment and
Fig. 7
a punch in a simplified spatial view from below viewed in a fourth embodiment.

Die in Fig. 1 dargestellte Schneideinrichtung 1 ist vorgesehen für den Beschnitt wenigstens einer Seitenkante 3 gebundener Druckerzeugnisse 2 oder dgl. Schneidgut, wie beispielsweise Buchblocks, Büchern, Broschuren oder Zeitschriften. Das vorgängig im Rückenbereich gebundene Druckerzeugnis 2 wird liegend, einzeln oder in Stapeln, in Förderrichtung F der Schneideinrichtung 1 zugeführt und durch diese an dessen drei freien Seitenkanten 3 beschnitten. Dazu weist die Schneideinrichtung 1 einen Schneidtisch 4, dem das Schneidgut in eine Schneidposition zuführbar ist, einen das Schneidgut wenigstens während dem Schneidvorgang gegen den Schneidtisch 4 pressenden, abhebbaren Pressstempel 5, ein aus einer Ausgangsstellung gegen den Schneidtisch 4 und zurück angetriebenes Schneidmesser 6, sowie ein Gegenmesser oder eine den Schneidhub des Schneidmessers 6 begrenzende Schneidleiste 8 auf. Der Pressstempel 5 weist an seiner Oberseite einen mit einer Führungsstange 7 verbundenen Support 17 auf, wobei die Führungsstange 7 mit einem Kurvenantrieb, einem elektrischen Servoantrieb, einem pneumatischen oder hydraulischen Antrieb in Pressrichtung P antriebsverbunden ist. Zudem weist der Pressstempel eine dem Schneidgut zugewandte, sich wenigstens im Näherungsbereich einer Schneidkante 3 sich etwa quer zur Pressrichtung P ausdehnende elastische Oberfläche 9 auf, die mit einer, mit dem Support 17 verbundenen Schicht 10 verbunden ist. Die Ausdehnung quer zur Pressrichtung P erfolgt durch die Gestaltung der Schicht 10, die sich als Folge des Kraftaufbaus in Richtung der Pressrichtung P quer zur Pressrichtung P ausdehnt. Dadurch wird eine Streckwirkung an der dem Pressstempel 5 zugewandten Oberfläche des Schneidguts erreicht und somit eine Faltenbildung an der Oberseite des Schneidguts vermieden. Vorzugsweise ist die Oberfläche 9 des Pressstempels 5 wenigstens teilweise unterbrochen ausgebildet. In einer weiteren, bevorzugten Ausführung nach Fig. 4 ist die Oberfläche 9 des Pressstempels 5 an in einem spitzen Winkel α zur Pressrichtung P vorstehenden Stützelementen 11 angeordnet. Die dem Schneidgut zugewandten Enden 12 der Stützelemente 11 sind in wenigstens einer der Ausdehnungsrichtungen 13,14 der Oberfläche 9 des Pressstempels 5 auslenkbar ausgebildet. Obwohl die erfindungsgemässe Einrichtung primär für das Strecken in Ausdehnungsrichtung 14 längs der den gebundenen Rücken des Schneidguts gegenüberliegenden Seitenkanten 3 vorgesehen ist, lässt sich diese ebenso einsetzen für das Strecken in Ausdehnungsrichtung 13, quer zu den gebundenen Rücken des Schneidguts. In den Fig. 5 und Fig. 6 sind die Stützelemente 11 derart ausgebildet, dass sie durch Belastung in Pressrichtung P nach den Ecken 15 des Schneidgutes resp. diagonal zu den Seitenkanten 3 des Schneidguts wirken. In den Fig. 4 bis Fig. 7 sind die Stützelemente 11 leistenartig ausgebildet. Für die Erfindung ist es nicht wesentlich, ob die Stützelemente 11 als von Randbereich zu Randbereich des Pressstempels 5 durchgehende Leisten oder durch mehrere kurze, hintereinander angeordnete Leisten ausgebildet sind. In einer weiteren Ausführung, gemäss Fig. 6, sind die leistenartigen Stützelemente 11 gekrümmt ausgebildet. Auf diese Weise ist die Federrate der Schicht 10 beeinflussbar, bzw. an die Eigenschaften des Schneidgutes anpassbar. In den Fig. 4 bis Fig.7 sind die Räume zwischen den Stützelementen 11 als freie Räume dargestellt. Ebenso könnten diese Räume mit einem elastischen Material gefüllt sein, resp. die Stützelemente 11 in ein elastisches Material eingebettet sein, um beispielsweise die Federrate der Schicht 10 an die Eigenschaften des Schneidguts anzupassen. In einer weiteren Ausführung, gemäss Fig. 7, ist die Oberfläche 9 des Pressstempels 5 durch eine zumindest bereichsweise elastisch verformbare Platte 16 ausgebildet. Die Erfindung beschränkt sich nicht auf Schneideinrichtungen 1, die den Beschnitt aller drei Seitenkanten 3 in derselben Position ausführen, sondern betrifft ebenso Schneideinrichtungen (1), die den Beschnitt nur einer oder zwei Seitenkanten 3 in derselben Schneidposition ausführen. Ebenfalls betrifft die Erfindung Schneideinrichtungen (1), deren Schneidmesser 6 gegen Schneidleisten 8 oder ein Gegenmesser arbeiten. Die Erfindung betrifft sowohl nahezu vollflächige Pressstempel 5 als auch schmale, leistenförmig ausgebildete Pressstempel 5.In the Fig. 1 Cutting device 1 shown is provided for trimming at least one side edge 3 bound printed products 2 or the like. Cutting material, such as book blocks, books, brochures or magazines. The previously bound in the back area printed product 2 is lying, individually or in stacks, fed in the conveying direction F of the cutting device 1 and cut by this at the three free side edges 3. For this purpose, the cutting device 1 has a cutting table 4, to which the material to be cut can be fed into a cutting position, a material to be pressed at least during the cutting operation against the cutting table 4, liftable ram 5, one from a starting position against the cutting table 4 and driven back cutting blade 6, and a counter blade or the cutting stroke of the cutting blade 6 limiting cutting bar 8. The press ram 5 has on its upper side a support 17 connected to a guide rod 7, wherein the guide rod 7 is drivingly connected to a cam drive, an electric servo drive, a pneumatic or hydraulic drive in the pressing direction P. In addition, the punch has an elastic surface 9 facing the material to be cut, at least in the vicinity of a cutting edge 3, extending approximately transversely to the pressing direction P, which is connected to a layer 10 connected to the support 17. The expansion transverse to the pressing direction P is effected by the design of the layer 10, which expands as a result of the force build-up in the direction of the pressing direction P transverse to the pressing direction P. As a result, a stretching action is achieved at the surface of the material to be cut facing the press ram 5 and thus wrinkling on the upper side of the material to be cut is avoided. Preferably, the surface 9 of the ram 5 is formed at least partially interrupted. In a further preferred embodiment according to Fig. 4 is the surface 9 of the ram 5 arranged at an acute angle α to the pressing direction P protruding support members 11. The cutting material facing the ends 12 of the support members 11 are formed deflectable in at least one of the expansion directions 13,14 of the surface 9 of the ram 5. Although the device according to the invention is primarily intended for stretching in the expansion direction 14 along the side edges 3 opposite the bound spine of the material to be cut, it can also be used for stretching in the expansion direction 13, transversely to the bound spines of the material being cut. In the FIG. 5 and FIG. 6 the support members 11 are formed such that they resp. load in the pressing direction P after the corners 15 of the material to be cut. act diagonally to the side edges 3 of the cutting material. In the Fig. 4 to Fig. 7 the support elements 11 are formed like a strip. For the invention, it is not essential whether the support elements 11 are formed as continuous strips from edge region to edge region of the press ram 5 or by a plurality of short strips arranged one behind the other. In a further embodiment, according to Fig. 6 , the strip-like support elements 11 are curved. In this way, the spring rate of the layer 10 can be influenced or adapted to the properties of the material to be cut. In the Fig. 4 to Fig.7 the spaces between the support elements 11 are shown as free spaces. Likewise, these rooms could be filled with an elastic material, resp. the support elements 11 may be embedded in an elastic material, for example, to adapt the spring rate of the layer 10 to the properties of the material to be cut. In a further embodiment, according to Fig. 7 , the surface 9 of the press ram 5 is formed by an at least partially elastically deformable plate 16. The invention is not limited to cutting devices 1, which perform the trimming of all three side edges 3 in the same position, but also relates to cutting devices (1) which perform trimming only one or two side edges 3 in the same cutting position. Also, the invention relates to cutting devices (1), the cutting blade 6 work against cutting strips 8 or a counter blade. The invention relates both to almost full-surface press punches 5 as well as narrow, strip-shaped press punches. 5

Claims (11)

Verfahren für den Beschnitt wenigstens einer Seitenkante (3) gebundener Druckerzeugnisse (2), wie beispielsweise Buchblocks, Bücher, Broschuren oder Zeitschriften, auf einem Schneidtisch (4), dem die Druckerzeugnisse (2) in eine Schneidposition zugeführt und beim Beschneiden mittels angetriebenem Schneidmesser (6) durch einen zustellbaren Pressstempel (5) festgehalten werden, dadurch gekennzeichnet, dass der Pressstempel (5) beim Auftreffen seiner Oberfläche (9) auf einem Druckerzeugnis (2) eine zumindest auf den oberen Bogen eines Druckerzeugnisses (2) einwirkende Streckkraft ausübt.Method for trimming at least one side edge (3) of bound printed products (2), such as book blocks, books, brochures or magazines, on a cutting table (4) to which the printed products (2) are fed to a cutting position and when trimming by means of a driven cutting knife (2) 6) are held by an undeliverable press ram (5), characterized in that the pressing ram (5) exerts a stretching force acting on at least the top sheet of a printed product (2) on impacting its surface (9) on a printed product (2). Einrichtung für den Beschnitt wenigstens einer Seitenkante (3) gebundener Druckerzeugnisse (2) oder dgl. Schneidgut, wie beispielsweise Buchblocks, Bücher, Broschuren oder Zeitschriften, bestehend aus einem Schneidtisch (4), dem das Schneidgut in eine Schneidposition zuführbar ist, einem das Schneidgut wenigstens während dem Schneidvorgang gegen den Schneidtisch (4) pressenden, anhebbaren Pressstempel (5), einem aus einer Ausgangsstellung gegen den Schneidtisch (4) und zurück angetriebenen Schneidmesser (6) sowie einem Gegenmesser oder einer den Schneidhub des Schneidmessers (6) begrenzenden Schneidleiste (8), dadurch gekennzeichnet, dass der Pressstempel (5) eine dem Schneidgut zugewandte, wenigstens im Näherungsbereich einer Seitenkante (3) sich etwa quer zur Pressrichtung (P) ausdehnende elastische Oberfläche (9) aufweist.Device for trimming at least one side edge (3) of bound printed products (2) or the like. Cutting material, such as book blocks, books, brochures or magazines, consisting of a cutting table (4) to which the material to be cut can be fed into a cutting position, a material to be pressed at least during the cutting operation against the cutting table (4) pressing, liftable ram (5), one from a starting position against the cutting table (4) and back driven cutting blade (6) and a counter blade or the cutting stroke of the cutting blade (6) limiting cutting bar (8), characterized in that the press ram (5) facing the material to be cut, at least in the approximate region of a side edge (3) approximately transversely to the pressing direction (P) expansive elastic surface (9). Einrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Oberfläche (9) des Pressstempels (5) mit einer Schicht (10) verbunden ist.Device according to claim 2, characterized in that the surface (9) of the press ram (5) is connected to a layer (10). Einrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Oberfläche (9) des Pressstempels (5) wenigstens teilweise unterbrochen ausgebildet ist.Device according to claim 2 or 3, characterized in that the surface (9) of the Press stamp (5) is formed at least partially interrupted. Einrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Oberfläche (9) des Pressstempels (5) an in einem spitzen Winkel (α) zur Pressrichtung (P) vorstehenden Stützelementen (11) angeordnet ist.Device according to one of claims 2 to 4, characterized in that the surface (9) of the press ram (5) at an acute angle (α) to the pressing direction (P) projecting support elements (11) is arranged. Einrichtung Anspruch 5, dadurch gekennzeichnet, dass die dem Schneidgut zugewandten Enden (12) der Stützelemente (11) in wenigstens eine der Ausdehnungsrichtungen (13,14) der Oberfläche (9) des Pressstempels (5) auslenkbar ausgebildet sind.Device according to Claim 5, characterized in that the ends (12) of the support elements (11) facing the material to be cut are deflectable in at least one of the expansion directions (13, 14) of the surface (9) of the press ram (5). Einrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die Stützelemente (11) leistenartig ausgebildet sind.Device according to one of claims 2 to 6, characterized in that the support elements (11) are formed like a strip. Einrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Stützelemente (11) nach den Ecken (15) des Schneidgutes wirkend resp. diagonal zu den Seitenkanten (3) des Schneidgutes angeordnet sind.Device according to claim 7, characterized in that the support elements (11) acting after the corners (15) of the material to be cut resp. diagonal are arranged to the side edges (3) of the material to be cut. Einrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die leistenartigen Stützelemente (11) gekrümmt ausgebildet sind.Device according to claim 8, characterized in that the strip-like support elements (11) are curved. Einrichtung nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass die Oberfläche (9) des Pressstempels (5) durch eine zumindest bereichsweise elastisch verformbare Platte (16) ausgebildet ist.Device according to one of claims 5 to 9, characterized in that the surface (9) of the press ram (5) is formed by an at least partially elastically deformable plate (16). Anwendung der Einrichtung nach einem der Ansprüche 1 bis 10 bei einem Dreischneider für Druckerzeugnisse (2).Application of the device according to one of claims 1 to 10 in a three-knife trimmer for printed products (2).
EP20080161112 2008-07-24 2008-07-24 Method and device for cutting at least one side border of bound printed products Not-in-force EP2147759B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20080161112 EP2147759B1 (en) 2008-07-24 2008-07-24 Method and device for cutting at least one side border of bound printed products
US12/507,511 US8453547B2 (en) 2008-07-24 2009-07-22 Method and device for trimming at least one side edge of a bound printed product
JP2009172586A JP5506268B2 (en) 2008-07-24 2009-07-23 Method and apparatus for cutting at least one side edge of a bound printed product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080161112 EP2147759B1 (en) 2008-07-24 2008-07-24 Method and device for cutting at least one side border of bound printed products

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EP2147759A1 true EP2147759A1 (en) 2010-01-27
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EP2591896A1 (en) * 2011-11-08 2013-05-15 Adolf Mohr Maschinenfabrik GmbH & Co. KG Device for cutting stacked, sheet-shaped goods

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JP5813745B2 (en) * 2013-12-26 2015-11-17 株式会社 資生堂 Water-in-oil emulsified sunscreen cosmetics
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CN111002365B (en) * 2019-12-26 2020-07-14 哈尔滨学院 Image formation of image paper cutting device

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Also Published As

Publication number Publication date
EP2147759B1 (en) 2013-10-30
JP5506268B2 (en) 2014-05-28
US20100018368A1 (en) 2010-01-28
JP2010030037A (en) 2010-02-12
US8453547B2 (en) 2013-06-04

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