EP1382461A1 - Device for notching a compressed block of printed sheets for a book - Google Patents

Device for notching a compressed block of printed sheets for a book Download PDF

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Publication number
EP1382461A1
EP1382461A1 EP20020405627 EP02405627A EP1382461A1 EP 1382461 A1 EP1382461 A1 EP 1382461A1 EP 20020405627 EP20020405627 EP 20020405627 EP 02405627 A EP02405627 A EP 02405627A EP 1382461 A1 EP1382461 A1 EP 1382461A1
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EP
European Patent Office
Prior art keywords
cutting teeth
book block
carrier
spine
cutting
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
EP20020405627
Other languages
German (de)
French (fr)
Other versions
EP1382461B1 (en
Inventor
Horst Knoetig
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 EP20020405627 priority Critical patent/EP1382461B1/en
Priority to DE50206573T priority patent/DE50206573D1/en
Priority to JP2003277184A priority patent/JP2004050848A/en
Priority to US10/621,466 priority patent/US20040016335A1/en
Publication of EP1382461A1 publication Critical patent/EP1382461A1/en
Application granted granted Critical
Publication of EP1382461B1 publication Critical patent/EP1382461B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C5/00—Preparing the edges or backs of leaves or signatures for binding
    • B42C5/04—Preparing the edges or backs of leaves or signatures for binding by notching or roughening
    • 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
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9391—Notching tool

Definitions

  • the invention relates to a device for notching one compressed printed sheet formed book block spine, with one about an approximately vertical axis of rotation to the book block spine rotating notching tool that when passing a book block on the conveyor path of a perfect binder for making notches has cutting teeth immersed in the spine of the book block, the front on a support of the notching tool are attached.
  • this goal US 4,741,236 A with a device for notching a book block spine.
  • the device consists of a conveyor for moving a block of books a conveyor path, with the back of the book block for editing protrudes.
  • Opposite the book block spine is one Notching device arranged in the conveying direction of the Book block inclined disc, which around a vertical Axis is driven.
  • This axis of rotation is hollow and concentric to it is a shaft within the axis of rotation stored, which is one end for driving a notching tool extends beyond the disc.
  • the notching tool is there from three milling blades arranged side by side, which at Passing the spine of the book block transverse to the conveying direction leave notches or grooves of different depths, that are perpendicular to the inclined disc. That is, with everyone Rotation of the disc produces three notches, which are each at different depths in the back of the book block extend.
  • the inclined grooves help one more favorable anchorage of the glue on the back of a book block.
  • the device used for this is of a relatively high Associated effort.
  • the present invention has been an improvement both anchoring the glue in the back of a book block as well the clamp effect compared to US 4,741,236 A to the task made.
  • the object is achieved in that the Carrier of the notching tool at least two on the axis of rotation Has opposing cutting teeth that are pointed in one Angles are aligned to a cutting circle plane.
  • At least one of the cutting teeth advantageously has one for Cutting circle center of the notching tool inclined position, so that when processing an alternating opposite The notches are inclined.
  • the same structure of the notches can arise if at least one of the cutting teeth one from the cutting circle center radially outwardly inclined position.
  • the carrier of the notching tool can be one to the conveyor path vertically arranged axis of rotation so that the Book block spines of two opposite each other at a distance Cutting teeth may be trimmed at the same time becomes.
  • the distance resp. the structure of the notches along the spine of the book block can via the speed adjustment of the notching tool and / or the speed of the book blocks the path of the perfect binder.
  • FIGS. 1 and 2 show a device for notching a printed sheet compressed at least on the side flanks of a book block spine 1 of a book block 2 (partially visible), the book block 2 being placed upright or with the book block spine 1 facing the notching device in the direction F along a conveying path an adhesive binder is transported.
  • the book block 2 passed clamped in a clamp of the perfect binder, in which the folded edges of the individual printed sheets have been removed by machining, so that the book block spine 1 has a largely flat structure for the subsequent notching process.
  • the book block spine 1 and 2 for notching the book block spine 1 essentially consists of a, preferably disc-like carrier 3, which is connected to a drive shaft 4 and has two cutting teeth 5 facing the book block spine 1, which, as can be seen in the exemplary embodiment shown, can be seen , vis-à-vis of the axis of rotation 6 are attached to the carrier 3 above.
  • the cutting teeth 5 protruding in the same direction of inclination on the carrier 3 result in a notch structure as illustrated in FIG. 3, that is to say one pair of notches each has oppositely oriented notches or the notches which are lined up in the longitudinal direction of a book block spine have mutually opposing depressions.
  • the depressions could alternately be of different lengths and it would be conceivable to attach more than two cutting teeth 5 to the carrier 3.
  • the distance between the notches depends on the conveying speed of the book blocks and the rotational speed of the cutting teeth 5, the rotational direction of which is indicated by arrow R in FIG. 2.
  • the carrier 3, which is of circular design to avoid uneven rotational forces, is set in a slightly inclined position with respect to the passing book block spine 1 of the book block 2, so that only one cutting tooth 5 dips into the book block spine 1 at the same point across the book block spine width, the immersion distance being at least the length of the Book block thickness and leaves an arcuate notch.
  • the cutting teeth 5 are fastened at an acute angle ⁇ with respect to the cutting plane formed by them by a shaft 9 in recesses 7, 8 of the carrier 3, preferably fastened interchangeably.
  • the recesses 7, 8 are triangular in cross section and have approximately the width of a shank 9 of a cutting tooth 5 in the sense of a lateral holder.
  • the cutting teeth 5 can be soldered or screwed to the support 3 on their shaft 9.
  • FIG. 3 conveys an image of those shown in FIGS. 1 and 2 Notch structure produced device shown on a Book block spines, with the notch sections clearly showing that the edge of the book block spine 1 is approximately in the notch the axis of rotation 6 of the notching tool.
  • the cutting teeth 5 are attached to the periphery of a disk-shaped carrier 3, which has the cross-sectional shape of a truncated cone.
  • the cutting teeth 5 are fastened or exchangeably fastened along a surface line of the carrier 3 and the cutting teeth 5 are the same as those shown in FIGS. 1 and 2.
  • the cutting teeth 5 could also be fastened in recesses. Another difference compared to FIGS.
  • the axis of rotation 6 or the drive shaft 4 connected to the carrier 3 is oriented approximately perpendicular to the conveying path or to the book block spine 1, so that in each case both of the cutting teeth opposite each other on the axis of rotation 6 Cut 5 notches in the book block spine 1, both cutting teeth 5 being equally involved in the production of the reflecting notch section pairs 10 (see also FIGS. 6a and 6b), the arrangement of which can be seen in FIG. 4.
  • the notch structure is not symmetrical to the longitudinal axis of the book block spine 1.
  • FIG. 7 shows an enlarged representation of FIG. 4- is the cross-sectional geometry in the cutting area of a cutting tooth 5, as shown for example in 4 is used.
  • the cutting tip 11 has a wedge shape in cross section with an angle ⁇ so that the chips from the spine of the book block 1 are free of interference have it dug out. Otherwise the cutting geometry is the same the cutting tooth 5 a turning tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Confectionery (AREA)

Abstract

Device for scoring the spine (1) of an inner book (2) formed by printed sheets pressed together comprises a scoring tool rotating perpendicularly about an axis of rotation (6) and having cutting teeth (5) protruding from a support (3) which cut into the spine of the inner book on passing the inner book on the conveying path of an adhesive binding device to produce curved notches in the spine. The support has at least two cutting teeth lying opposite the axis of rotation and oriented at an acute angle (beta) to a cutting circle plane (20). The cutting teeth are held in recesses (7, 8) in the support so that they protrude over different distances.

Description

Die Erfindung betrifft eine Vorrichtung zum Kerben eines aus zusammengepressten Druckbogen gebildeten Buchblockrückens, mit einem um eine etwa senkrechte Drehachse zum Buchblockrücken rotierenden Kerbwerkzeug, das beim Passieren eines Buchblocks auf dem Förderpfad eines Klebebinders zur Herstellung von Kerben in den Buchblockrücken eintauchende Schneidzähne aufweist, die stirnseitig vorstehend an einem Träger des Kerbwerkzeuges befestigt sind.The invention relates to a device for notching one compressed printed sheet formed book block spine, with one about an approximately vertical axis of rotation to the book block spine rotating notching tool that when passing a book block on the conveyor path of a perfect binder for making notches has cutting teeth immersed in the spine of the book block, the front on a support of the notching tool are attached.

Für die Haltbarkeit eines klebegebundenen Buchblockrückens ist dessen mechanische Bearbeitung ebenso wichtig wie die Beleimung. Mit der Bearbeitung des Buchblockrückens wird eine Vergrösserung der zur Beleimung verfügbaren Blattoberfläche angestrebt.
Gestrichene oder für Kunstdruck geeignete Papiere erschweren die Klebebindung eines Buchblockrückens aufgrund der hierzu unzureichenden Eigenschaften. For the durability of an adhesive-bound book block spine, its mechanical processing is just as important as the gluing. With the processing of the book block spine, the aim is to enlarge the surface of the sheet available for gluing.
Coated or paper suitable for art print complicates the perfect binding of a book block spine due to the inadequate properties.

Nicht zuletzt aus diesem Grund wird eine verbesserte Bindung über eine Optimierung der Buchblockrücken-Struktur gesucht, mit der Massgabe, die Buchblockrückenoberfläche für den aufgetragenen Klebstoff zu vergrössern und damit die Steifigkeit mit einer günstigen Klammerwirkung zu verbessern.Not least because of this is an improved bond looking for an optimization of the book block spine structure, with the proviso that the book block spine surface for the applied To enlarge the adhesive and thus the rigidity to improve with a favorable bracket effect.

Dieses Ziel verfolgt u.a. die US 4'741'236 A mit einer Vorrichtung zum Kerben eines Buchblockrückens. Die Vorrichtung besteht aus einem Förderer zum Bewegen eines Buchblocks entlang einem Förderpfad, wobei der Rücken des Buchblocks zum Bearbeiten vorsteht. Gegenüber dem Buchblockrücken ist eine Kerbvorrichtung angeordnet, die eine in Förderrichtung des Buchblocks geneigte Scheibe aufweist, welche um eine senkrechte Achse angetrieben ist. Diese Drehachse ist hohl ausgebildet und konzentrisch dazu ist innerhalb der Drehachse eine Welle gelagert, die sich einenends zum Antrieb eines Kerbwerkzeuges über die Scheibe hinaus erstreckt. Das Kerbwerkzeug besteht aus drei nebeneinander angeordneten Fräsblättern, die beim Passieren des Buchblockrückens quer zur Förderrichtung verlaufende, unterschiedlich tiefe Kerben oder Nuten hinterlassen, die senkrecht zur geneigten Scheibe stehen. D.h., mit jeder Umdrehung der Scheibe werden drei Kerben produziert, die sich jeweils unterschiedlich tief in den Rücken des Buchblocks erstrecken. Die schräggestellten Nuten verhelfen zu einer günstigeren Verankerung des Leims am Rücken eines Buchblocks. Die dazu verwendete Vorrichtung ist mit einem relativ hohen Aufwand verbunden.Among other things, this goal US 4,741,236 A with a device for notching a book block spine. The device consists of a conveyor for moving a block of books a conveyor path, with the back of the book block for editing protrudes. Opposite the book block spine is one Notching device arranged in the conveying direction of the Book block inclined disc, which around a vertical Axis is driven. This axis of rotation is hollow and concentric to it is a shaft within the axis of rotation stored, which is one end for driving a notching tool extends beyond the disc. The notching tool is there from three milling blades arranged side by side, which at Passing the spine of the book block transverse to the conveying direction leave notches or grooves of different depths, that are perpendicular to the inclined disc. That is, with everyone Rotation of the disc produces three notches, which are each at different depths in the back of the book block extend. The inclined grooves help one more favorable anchorage of the glue on the back of a book block. The device used for this is of a relatively high Associated effort.

Die vorliegende Erfindung hat sich eine Verbesserung sowohl der Verankerung des Leims im Rücken eines Buchblocks als auch der Klammerwirkung gegenüber der US 4'741'236 A zur Aufgabe gemacht.The present invention has been an improvement both anchoring the glue in the back of a book block as well the clamp effect compared to US 4,741,236 A to the task made.

Erfindungsgemäss wird die Aufgabe dadurch gelöst, dass der Träger des Kerbwerkzeuges wenigstens zwei sich an der Drehachse gegenüberliegende Schneidzähne aufweist, die in einem spitzen Winkel zu einer Schneidkreisebene ausgerichtet sind. Dadurch lässt sich in dem Buchblockrücken eine Struktur von Kerben verwirklichen, mit der die Steifigkeit und Klammerwirkung eines Buchblockrückens spürbar verbessert wird.According to the invention the object is achieved in that the Carrier of the notching tool at least two on the axis of rotation Has opposing cutting teeth that are pointed in one Angles are aligned to a cutting circle plane. Thereby a structure of notches can be found in the spine of the book block realize with the the rigidity and clamp effect of a book block spine is noticeably improved.

Vorteilhaft weist wenigstens einer der Schneidzähne eine zum Schneidkreiszentrum des Kerbwerkzeuges hin geneigte Lage auf, so dass bei der Bearbeitung eine wechselweise entgegengerichtete Neigungslage der Kerben entsteht.At least one of the cutting teeth advantageously has one for Cutting circle center of the notching tool inclined position, so that when processing an alternating opposite The notches are inclined.

Die gleiche Struktur der Kerben kann entstehen, wenn wenigstens einer der Schneidzähne eine von dem Schneidkreiszentrum radial nach aussen geneigte Lage aufweist.The same structure of the notches can arise if at least one of the cutting teeth one from the cutting circle center radially outwardly inclined position.

Der Träger des Kerbwerkzeuges kann um eine zum Förderpfad senkrecht angeordnete Drehachse angetrieben sein, sodass der Buchblockrücken jeweils von zwei im Abstand sich gegenüberliegenden Schneidzähnen möglicherweise gleichzeitig beschnitten wird.The carrier of the notching tool can be one to the conveyor path vertically arranged axis of rotation so that the Book block spines of two opposite each other at a distance Cutting teeth may be trimmed at the same time becomes.

Mit jeder Umdrehung des Kerbwerkzeuges resp. Trägers werden zwei Kerben von einem Schneidzahn geschnitten.With each revolution of the notching tool resp. Become a carrier cut two notches from a cutting tooth.

Oder bei einem Träger des Kerbwerkzeuges, der um eine zum Förderpfad geneigt angeordnete Achse angetrieben ist, kann der Buchblockrücken von einem in Förderrichtung vorderen Ende aus gekerbt werden, wobei bei entgegengesetzter Ausrichtung der Schneidzähne an dem Träger am Buchblockrücken eine gleichförmige Ausrichtung der Kerben entsteht, wogegen bei gleichförmiger Ausrichtung der Schneidzähne am Buchblockrücken eine entgegengerichtete Kerbstruktur entsteht.Or in the case of a carrier of the notching tool that is one to the conveying path inclined axis is driven, the Book block spine from a front end in the conveying direction notched, with the opposite orientation of the Cutting teeth on the carrier on the book block spine a uniform Alignment of the notches occurs, whereas with a more uniform one Alignment of the cutting teeth on the back of the book block is opposite Notch structure arises.

Der Abstand resp. die Struktur der Kerben entlang des Buchblockrückens kann über die Drehzahlverstellung des Kerbwerkzeuges und/oder über die Geschwindigkeit der Buchblöcke auf dem Förderpfad des Klebebinders bestimmt werden.The distance resp. the structure of the notches along the spine of the book block can via the speed adjustment of the notching tool and / or the speed of the book blocks the path of the perfect binder.

Anschliessend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht näher erwähnten Einzelheiten verwiesen wird, anhand zweier Ausführungsbeispiele erläutert. In der Zeichnung zeigen:

Fig. 1
eine Seitenansicht der Vorrichtung,
Fig. 2
einen Grundriss der Vorrichtung gemäss Fig. 1,
Fig. 3
eine Kerbstruktur an einem Buchblockrücken nach der Bearbeitung mit einer Vorrichtung gemäss Fig. 1 und 2,
Fig. 4
eine Seitenansicht einer alternativen Vorrichtung,
Fig. 5
einen Grundriss der Vorrichtung gemäss Fig. 4,
Fig. 6a
eine abschnittsweise Kerbstruktur an einem Buchblockrücken nach der Bearbeitung mit einer Vorrichtung gemäss Fig. 4 und 5,
Fig. 6b
eine abschnittsweise alternative Kerbstruktur an einem Buchblockrücken nach der Bearbeitung mit einer Vorrichtung gemäss Fig. 4 und 5 sowie
Fig. 7
eine vergrösserte Darstellung eines Schneidzahns.
Subsequently, the invention will be explained with reference to the drawing, to which reference is made with regard to all details not mentioned in the description, using two exemplary embodiments. The drawing shows:
Fig. 1
a side view of the device,
Fig. 2
2 shows a plan view of the device according to FIG. 1,
Fig. 3
a notch structure on a book block spine after processing with a device according to FIGS. 1 and 2,
Fig. 4
a side view of an alternative device,
Fig. 5
4 shows a plan view of the device according to FIG. 4,
Fig. 6a
3 shows a notch structure in sections on a book block spine after processing with a device according to FIGS. 4 and 5,
Fig. 6b
a sectionally alternative notch structure on a book block spine after processing with a device according to FIGS. 4 and 5 and
Fig. 7
an enlarged view of a cutting tooth.

Die Fig. 1 und 2 zeigen eine Vorrichtung zum Kerben eines zumindest an den seitlichen Flanken eines Buchblockrückens 1 eines Buchblocks 2 (teilweise ersichtlich) zusammengepressten Druckbogen, wobei der Buchblock 2 hochgestellt bzw. mit dem Buchblockrücken 1 der Kerbvorrichtung zugewandt in Richtung F entlang einem Förderpfad eines Klebebinders transportiert wird. Zuvor passierte der Buchblock 2 eingespannt in einer Klammer des Klebebinders eine Frässtation, in der die Falzkanten der einzelnen Druckbogen spanend entfernt worden sind, sodass für den anschliessenden Kerbvorgang der Buchblockrücken 1 eine weitgehend ebene Struktur aufweist.
Die in den Fig. 1 und 2 dargestellte Vorrichtung zum Kerben des Buchblockrückens 1 besteht im Wesentlichen aus einem, vorzugsweise scheibenartigen Träger 3, der mit einer Antriebswelle 4 verbunden ist und zwei dem Buchblockrücken 1 zugewandte Schneidzähne 5 aufweist, die, wie im dargestellten Ausführungsbeispiel erkennbar, vis-ä-vis von der Drehachse 6 am Träger 3 vorstehend befestigt sind. Die in gleicher Neigungsrichtung an dem Träger 3 vorstehenden Schneidzähne 5 ergeben eine Kerbstruktur, wie sie in Fig. 3 veranschaulicht ist, d.h. jeweils ein Kerbenpaar weist entgegengesetzt ausgerichtete Kerben auf bzw. die in Längsrichtung eines Buchblockrückens aneinandergereihten Kerben weisen wechselweise entgegengerichtete Vertiefungen auf. Die Vertiefungen könnten wechselweise unterschiedlich lang ausgebildet sein und es wäre denkbar, mehr als zwei Schneidzähne 5 an dem Träger 3 zu befestigen. Der Abstand der Kerben richtet sich nach der Fördergeschwindigkeit der Buchblöcke und der Umlaufgeschwindigkeit der Schneidzähne 5, deren Umlaufrichtung durch Pfeil R in Fig. 2 vermerkt ist. Der zur Meidung ungleichmässiger Rotationskräfte kreisrund ausgebildete Träger 3 ist gegenüber dem passierenden Buchblockrücken 1 des Buchblocks 2 in eine leichte Schräglage versetzt, sodass jeweils nur ein Schneidzahn 5 an der gleichen Stelle über die Buchblockrückenbreite in den Buchblockrücken 1 eintaucht, wobei die Eintauchstrecke wenigstens die Länge der Buchblockdicke aufweist und eine kreisbogenförmige Kerbe hinterlässt. Die Schneidzähne 5 sind in einem gegenüber der von ihnen gebildeten Schneidebene spitzen Winkel β durch einen Schaft 9 in Ausnehmungen 7, 8 des Trägers 3 befestigt, vorzugsweise austauschbar befestigt. Die Ausnehmungen 7, 8 sind im Querschnitt dreieckförmig und weisen im Sinne einer seitlichen Halterung etwa die Breite eines Schaftes 9 eines Schneidzahnes 5 auf. Die Schneidzähne 5 können an ihrem Schaft 9 an dem Träger 3 festgelötet oder festgeschraubt sein.1 and 2 show a device for notching a printed sheet compressed at least on the side flanks of a book block spine 1 of a book block 2 (partially visible), the book block 2 being placed upright or with the book block spine 1 facing the notching device in the direction F along a conveying path an adhesive binder is transported. Previously, the book block 2 passed clamped in a clamp of the perfect binder, in which the folded edges of the individual printed sheets have been removed by machining, so that the book block spine 1 has a largely flat structure for the subsequent notching process.
The device shown in FIGS. 1 and 2 for notching the book block spine 1 essentially consists of a, preferably disc-like carrier 3, which is connected to a drive shaft 4 and has two cutting teeth 5 facing the book block spine 1, which, as can be seen in the exemplary embodiment shown, can be seen , vis-à-vis of the axis of rotation 6 are attached to the carrier 3 above. The cutting teeth 5 protruding in the same direction of inclination on the carrier 3 result in a notch structure as illustrated in FIG. 3, that is to say one pair of notches each has oppositely oriented notches or the notches which are lined up in the longitudinal direction of a book block spine have mutually opposing depressions. The depressions could alternately be of different lengths and it would be conceivable to attach more than two cutting teeth 5 to the carrier 3. The distance between the notches depends on the conveying speed of the book blocks and the rotational speed of the cutting teeth 5, the rotational direction of which is indicated by arrow R in FIG. 2. The carrier 3, which is of circular design to avoid uneven rotational forces, is set in a slightly inclined position with respect to the passing book block spine 1 of the book block 2, so that only one cutting tooth 5 dips into the book block spine 1 at the same point across the book block spine width, the immersion distance being at least the length of the Book block thickness and leaves an arcuate notch. The cutting teeth 5 are fastened at an acute angle β with respect to the cutting plane formed by them by a shaft 9 in recesses 7, 8 of the carrier 3, preferably fastened interchangeably. The recesses 7, 8 are triangular in cross section and have approximately the width of a shank 9 of a cutting tooth 5 in the sense of a lateral holder. The cutting teeth 5 can be soldered or screwed to the support 3 on their shaft 9.

Fig. 3 vermittelt ein Bild der durch die in den Fig. 1 und 2 dargestellte Vorrichtung hergestellte Kerbstruktur an einem Buchblockrücken, wobei die Kerbabschnitte deutlich machen, dass sich der Rand des Buchblockrückens 1 beim Kerben etwa in der Drehachse 6 des Kerbwerkzeuges befindet. FIG. 3 conveys an image of those shown in FIGS. 1 and 2 Notch structure produced device shown on a Book block spines, with the notch sections clearly showing that the edge of the book block spine 1 is approximately in the notch the axis of rotation 6 of the notching tool.

Die Fig. 4 bis 6b vermitteln eine alternative Ausführung des Kerbwerkzeuges und der Kerbstruktur.
Gemäss Fig. 4 sind die Schneidzähne 5 am Umfang eines scheibenförmigen Trägers 3 befestigt, der die Querschnittsform eines Kegelstumpfs aufweist. Die Schneidzähne 5 sind entlang einer Mantellinie des Trägers 3 befestigt bzw. auswechselbar befestigt und es handelt sich um die gleichen Schneidzähne 5, die schon in den Fig. 1 und 2 gezeichnet sind. Selbstverständlich könnten die Schneidzähne 5 auch in Ausnehmungen befestigt sein.
Ein weiterer Unterschied gegenüber den Fig. 1 und 2 besteht darin, dass die Drehachse 6 bzw. die mit dem Träger 3 verbundene Antriebswelle 4 etwa senkrecht zum Förderpfad bzw. zum Buchblockrücken 1 ausgerichtet ist, sodass jeweils beide der sich an der Drehachse 6 gegenüberliegenden Schneidzähne 5 Kerben in den Buchblockrücken 1 schneiden, wobei beide Schneidzähne 5 gleichermassen an der Herstellung der sich widerspiegelnden Kerbabschnittspaare 10 beteiligt sind (siehe auch Fig. 6a und 6b), deren Anordnung der Fig. 4 entnehmbar ist. Wie schon in Fig. 3 ist auch gemäss den Fig. 6a und 6b die Kerbstruktur nicht symmetrisch zur Längsachse des Buchblockrückens 1 angelegt.4 to 6b convey an alternative embodiment of the notch tool and the notch structure.
4, the cutting teeth 5 are attached to the periphery of a disk-shaped carrier 3, which has the cross-sectional shape of a truncated cone. The cutting teeth 5 are fastened or exchangeably fastened along a surface line of the carrier 3 and the cutting teeth 5 are the same as those shown in FIGS. 1 and 2. Of course, the cutting teeth 5 could also be fastened in recesses.
Another difference compared to FIGS. 1 and 2 is that the axis of rotation 6 or the drive shaft 4 connected to the carrier 3 is oriented approximately perpendicular to the conveying path or to the book block spine 1, so that in each case both of the cutting teeth opposite each other on the axis of rotation 6 Cut 5 notches in the book block spine 1, both cutting teeth 5 being equally involved in the production of the reflecting notch section pairs 10 (see also FIGS. 6a and 6b), the arrangement of which can be seen in FIG. 4. As in FIG. 3, according to FIGS. 6a and 6b, the notch structure is not symmetrical to the longitudinal axis of the book block spine 1.

In Fig. 7 -auszugsweise eine vergrösserte Darstellung von Fig. 4- ist ausschnittweise die Querschnittgeometrie im Schneidbereich eines Schneidzahns 5 gezeigt, wie er beispielsweise in der Ausführung nach Fig. 4 gebraucht wird. Die Schneidspitze 11 weist im Querschnitt eine keilige Form mit einem Winkel α auf, sodass sich die Späne aus dem Buchblockrücken 1 störungsfrei ausheben lassen. Im übrigen gleicht die Schneidgeometrie des Schneidzahns 5 einem Drehstahl.FIG. 7 shows an enlarged representation of FIG. 4- is the cross-sectional geometry in the cutting area of a cutting tooth 5, as shown for example in 4 is used. The cutting tip 11 has a wedge shape in cross section with an angle α so that the chips from the spine of the book block 1 are free of interference have it dug out. Otherwise the cutting geometry is the same the cutting tooth 5 a turning tool.

Claims (8)

Vorrichtung zum Kerben eines aus zusammengepressten Druckbogen gebildeten Buchblockrückens (1), mit einem um eine etwa senkrechte Drehachse (6) zum Buchblockrücken (1) rotierenden Kerbwerkzeug, das beim Passieren eines Buchblocks (2) auf dem Förderpfad eines Klebebinders zur Herstellung von bogenförmigen Kerben in den Buchblockrücken (1) eintauchende Schneidzähne (5) aufweist, die stirnseitig vorstehend an einem Träger (3) des Kerbwerkzeuges befestigt sind, dadurch gekennzeichnet, dass der Träger (3) des Kerbwerkzeuges wenigstens zwei sich an der Drehachse (6) gegenüberliegende Schneidzähne (5) aufweist, die in einem spitzen Winkel β zu einer Schneidkreisebene (20) ausgerichtet sind.Device for notching a book block spine (1) formed from compressed printed sheets, with a notching tool rotating about an approximately vertical axis of rotation (6) for the book block spine (1), which, when passing through a book block (2), on the conveying path of a perfect binder for producing sheet-shaped notches in the book block spine (1) is immersed by cutting teeth (5) which are fastened at the front end to a carrier (3) of the notching tool, characterized in that the carrier (3) of the notching tool has at least two cutting teeth (5) opposite one another on the axis of rotation (6) ), which are aligned at an acute angle β to a cutting circle plane (20). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass wenigstens einer der Schneidzähne (5) eine zum Schneidkreiszentrum hin geneigte Lage aufweist.Device according to claim 1, characterized in that at least one of the cutting teeth (5) has a position inclined towards the center of the cutting circle. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass wenigstens einer der Schneidzähne (5) eine von dem Schneidkreiszentrum radial nach aussen geneigte Lage aufweist.Device according to claim 1, characterized in that at least one of the cutting teeth (5) has a position which is inclined radially outwards from the center of the cutting circle. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Träger (3) des Kerbwerkzeuges um eine zum Förderpfad senkrecht angeordnete Drehachse (6) angetrieben ist.Device according to one of claims 1 to 3, characterized in that the carrier (3) of the notching tool is driven about an axis of rotation (6) arranged perpendicular to the conveying path. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Träger (3) des Kerbwerkzeuges um eine zum Förderpfad geneigt angeordnete Drehachse (6) angetrieben ist.Device according to one of claims 1 to 3, characterized in that the carrier (3) of the notching tool is driven about an axis of rotation (6) arranged inclined to the conveying path. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Schneidzähne (5) in Ausnehmungen (7, 8) des Trägers (3) befestigt sind.Device according to one of claims 1 to 5, characterized in that the cutting teeth (5) are fastened in recesses (7, 8) of the carrier (3). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Träger (3) zur Befestigung der Schneidzähne (5) im Querschnitt betrachtet kegelstumpfförmig ausgebildet ist und die Schneidzähne (5) entlang einer Mantellinie des Kegelstumpfes befestigt sind.Device according to one of claims 1 to 6, characterized in that the carrier (3) for fastening the cutting teeth (5) is frustoconical in cross-section and the cutting teeth (5) are fastened along a surface line of the truncated cone. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Schneidzähne (5) unterschiedlich weit vorstehend an dem Träger (3) befestigt sind.Device according to one of claims 1 to 7, characterized in that the cutting teeth (5) are attached to the support (3) at different distances.
EP20020405627 2002-07-19 2002-07-19 Device for notching a compressed block of printed sheets for a book Expired - Lifetime EP1382461B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20020405627 EP1382461B1 (en) 2002-07-19 2002-07-19 Device for notching a compressed block of printed sheets for a book
DE50206573T DE50206573D1 (en) 2002-07-19 2002-07-19 Device for notching a book block spine formed from a compressed printed sheet
JP2003277184A JP2004050848A (en) 2002-07-19 2003-07-18 Device for notching back of middle book formed of pressure-bonded printing papers
US10/621,466 US20040016335A1 (en) 2002-07-19 2003-07-18 Device for notching the spine of a book block formed with compressed signatures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20020405627 EP1382461B1 (en) 2002-07-19 2002-07-19 Device for notching a compressed block of printed sheets for a book

Publications (2)

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EP1382461A1 true EP1382461A1 (en) 2004-01-21
EP1382461B1 EP1382461B1 (en) 2006-04-26

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EP20020405627 Expired - Lifetime EP1382461B1 (en) 2002-07-19 2002-07-19 Device for notching a compressed block of printed sheets for a book

Country Status (4)

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US (1) US20040016335A1 (en)
EP (1) EP1382461B1 (en)
JP (1) JP2004050848A (en)
DE (1) DE50206573D1 (en)

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CN101585271B (en) * 2008-05-20 2011-12-07 柯尼卡美能达商用科技株式会社 Notch forming apparatus, bookbinding apparatus and bookbinding system
US20230137059A1 (en) * 2021-10-29 2023-05-04 Kevin P. Parker Apparatus for abrading an end of a stack of sheets to be bound

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JP4543409B2 (en) * 2005-03-15 2010-09-15 東京出版機械株式会社 A device for cutting a concave portion for forming a non-glue-free portion on the back of a signature before bookbinding in a processing apparatus for a bookbinding wireless binding machine

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US4741236A (en) 1986-08-18 1988-05-03 Harris Graphics Corporation Apparatus for notching the back of a book
DE20019747U1 (en) * 2000-05-16 2001-03-29 H. Schönenberger GmbH, 73779 Deizisau Rotating tool for cutting

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US3758928A (en) * 1972-07-03 1973-09-18 Cooper Corp Tool for use in book binding
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US6077016A (en) * 1996-04-04 2000-06-20 Grapha-Holding Ag Method and apparatus for roughening a book block spine formed of compressed printed sheets
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CH303678A (en) * 1952-07-30 1954-12-15 Mueller Hans Method and device for threadless binding of books.
DE2719402A1 (en) * 1977-04-30 1978-11-02 Rahdener Maschf August METHOD FOR BINDING BOOKS OR THE LIKE AFTER THE ADHESIVE BINDING TECHNOLOGY AND DEVICE FOR CARRYING OUT THE METHOD
US4741236A (en) 1986-08-18 1988-05-03 Harris Graphics Corporation Apparatus for notching the back of a book
DE20019747U1 (en) * 2000-05-16 2001-03-29 H. Schönenberger GmbH, 73779 Deizisau Rotating tool for cutting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101585271B (en) * 2008-05-20 2011-12-07 柯尼卡美能达商用科技株式会社 Notch forming apparatus, bookbinding apparatus and bookbinding system
US20230137059A1 (en) * 2021-10-29 2023-05-04 Kevin P. Parker Apparatus for abrading an end of a stack of sheets to be bound
US11667143B2 (en) * 2021-10-29 2023-06-06 Powis Parker Inc. Apparatus for abrading an end of a stack of sheets to be bound

Also Published As

Publication number Publication date
DE50206573D1 (en) 2006-06-01
JP2004050848A (en) 2004-02-19
US20040016335A1 (en) 2004-01-29
EP1382461B1 (en) 2006-04-26

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