EP0701888A2 - Perforating cutter - Google Patents

Perforating cutter Download PDF

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Publication number
EP0701888A2
EP0701888A2 EP19950113667 EP95113667A EP0701888A2 EP 0701888 A2 EP0701888 A2 EP 0701888A2 EP 19950113667 EP19950113667 EP 19950113667 EP 95113667 A EP95113667 A EP 95113667A EP 0701888 A2 EP0701888 A2 EP 0701888A2
Authority
EP
European Patent Office
Prior art keywords
knife
perforating
blades
thickness
blade
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
EP19950113667
Other languages
German (de)
French (fr)
Other versions
EP0701888B1 (en
EP0701888A3 (en
Inventor
Attilio Dalfiume
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert 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 Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0701888A2 publication Critical patent/EP0701888A2/en
Publication of EP0701888A3 publication Critical patent/EP0701888A3/en
Application granted granted Critical
Publication of EP0701888B1 publication Critical patent/EP0701888B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • 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
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • 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
    • Y10T83/9314—Pointed perforators
    • 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
    • Y10T83/9319—Toothed blade or tooth therefor
    • Y10T83/935—Plural tooth groups
    • 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
    • Y10T83/9457—Joint or connection
    • Y10T83/9464—For rotary tool

Definitions

  • the invention relates to a perforating knife for cross-perforating signatures according to the preamble of claim 1.
  • DT 22 34 078 discloses a method and a device for producing multi-layer signatures, with which problems of the appearance of pinch folds or wrinkles at the intersection of the fold lines are eliminated by introducing slots or perforations which extend in the longitudinal direction of one of the fold lines. Such perforations are made using a perforating knife.
  • a disadvantage of this perforation is that the perforating knife to be used has a different thickness depending on the grammage of the paper webs and the number of layers of the signatures to be folded, and consequently must be made separately for each specific production.
  • the invention is based on the object To create perforating knives for cross-perforating signatures, which can be adapted to different grammages of paper webs as well as to a different number of layers of the signatures without much additional effort.
  • the invention has the following advantages in particular: the invention provides a universally usable perforating knife which is variable in its thickness.
  • the perforating knife can thus be adapted both to the respective grammage of the paper web and to the number of signatures to be folded, without a separate perforating knife having to be made or used for each different production.
  • a total of 7 designated second blade has a thickness e, z. B. of two millimeters on and a total height H and has on its first side 3 a plurality each spaced apart at a distance a, at an angle minus alpha, z. B. from 45 ° to a horizontal longitudinal axis 9 arranged perforating teeth 11 which are ground at their tip.
  • a width of the perforating teeth 11 can correspond to a clear distance a between the perforating teeth 11.
  • a second side 4 of the knife blade 7 also has recesses 6, as already described previously (FIGS. 4 to 6).
  • a special feature compared to the second knife blade 7 is that perforating teeth 13 spaced apart from one another at a distance a are arranged at an angle plus alpha to the horizontal longitudinal axis 9 (FIGS. 7 to 9).
  • a total of 14 first insert sheet has a thickness d, z. B. from a millimeter and a height h, which is less than the height H of the knife blades 1, 7 and 12 (Fig. 10 to 12). While a first side 16 of the insert sheet 14 has no teeth, a second side 4 is provided with recesses 6, as already explained above for the knife blades.
  • the special feature with respect to the insert sheet 14 is that the insert sheet 17 has a thickness e which is twice the thickness d of the first insert sheet 14.
  • a first perforating knife 18 designated overall by 18 (FIGS. 13 and 14), consists of a centrally arranged first knife blade 1 with a total height H and two washer blades 17 lying on both sides on the long sides of the first knife blade 1 and thus arranged on the outside and having a lower height h and in each case a double thickness e compared to the thickness d of the first knife blade 1.
  • a second perforating knife according to the invention designated overall by 19, consists of a centrally arranged knife blade 1 and a smaller (second) shim 17 associated with the knife blade 1 on the outside Height h, double thickness e and two semi-long blades arranged on the other outside, mirror-inverted to a vertical center line 21, each in a horizontal alignment one behind the other and third knife blade 7; 12 double thickness e and a height H (Fig. 15 and 16).
  • a third perforating knife according to the invention designated overall by 22, has the special feature compared to the second perforating knife 19 that the outer parts, namely the half-length knife blades 7, 12 on one side of the knife blade 1 and the (second) insert sheet 17 on the other side of the Knife blade 1 have been replaced with each other (Fig. 17 and 18).
  • a fourth perforating knife according to the invention designated overall by 23
  • two half-length knife blades 7, 12 have been arranged side by side so that they result in a herringbone pattern.
  • the total length of the perforating knife 23 is obtained by a mirror-image arrangement of two further knife blades 12, 7 to the first-mentioned half-length knife blades 7, 12, which point with their herringbone apex 24 to the vertical center line 21 (Fig. 19 and 20).
  • a shim 14 having a thickness d and a height h is arranged on a first outer side of the two herringbone-like to one another and has a total thickness of 2e Knife blades 7, 12; 12, 7 arranged.
  • a fifth perforating knife according to the invention designated overall by 26, has the special feature compared to the aforementioned fourth perforating knife 23 that a (first) shim 14 having a thickness d and a height h is placed on a second, i.e. H. the other outside of the two herringbone blades 7, 12; 12, 7 is located (Fig. 21 and 22).
  • a sixth perforating knife according to the invention, generally designated 27, it is provided that a first knife blade 1 having a thickness d is sandwiched between two herringbone perforating knives 7, 12 and 12, 7 with a respective thickness e. All parts 1; 7, 12; 12, 7 have a total height H.
  • All mentioned perforating knife 18; 19; 22; 23; 26; 27 are variants or exemplary embodiments and, due to the presence of fewer knife blades and insert sheets, can each be adapted to the production requirements.
  • the perforating knives On their second side 4, which faces a receptacle already mentioned, the perforating knives have the same or constant thickness D, which is formed in each case from two insert sheets 17 with a respective thickness e and a knife blade 1 with a thickness d, such as perforating knives 18, or other combinations, the three sheets of which, regardless of their arrangement, always have the thicknesses twice e and once d.
  • All mentioned perforating knife 1; 7; 12 have 3 teeth on their first side, which act in the direction of a counter-perforating cylinder.
  • a possible arrangement of perforating knives in a receptacle of a perforating cylinder is shown in EP 03 07 891 B1.
  • the optionally the perforating knives 18; 19; 22; 23; 26 enclosed inserts 14; 17 therefore have a lower height h compared to a total height H of the perforating knife 18; 19; 22; 23 to ensure a maximum penetration depth H minus h into the signatures to be perforated.
  • the individual knife or insert sheets of the perforating knife are arranged side by side in the circumferential direction or in the peripheral direction.
  • the supplement sheets 14; 17 are made of the same material as the knife blades 1; 7; 12, e.g. B. made of hardened steel sheet.
  • the perforation of the multi-layer signatures takes place by means of a perforating knife, which is arranged in the receptacle of the perforating cylinder and which is put together in accordance with the particularities of the respective production to be driven.
  • a perforating knife can take into account not only the thickness and the type of material to be perforated, but also a different length of the signatures, which is made possible by the optional arrangement of the outer insert sheets when perforating. Folding can be done on the perforation line.

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

Abstract

The knife (18) consists of a concentrically positioned primary blade (1) (with an overall height (H)) and two adjacent supplementary external blades (17) arranged alongside. These have a lesser height (h) and a thickness (e) which is double the thickness (d) of the primary knife blade. The number of blades in the perforating knife can be altered to suit the requirement of a particular use. The knife blade (1) has teeth on one side which work against a counter perforation cylinder. The knife blades can all be removed and exchanged by other combinations of knives. The thickness (D) of the perforation knife is constant and is formed by the combination of the primary knife blade and the supplementary blades. Whatever combination of blades is used, he overall thickness is always twice the thickness of the supplementary blades plus the thickness of the primary blade.

Description

Die Erfindung betrifft ein Perforiermesser zum Querperforieren von Signaturen entsprechend dem Oberbegriff des Anspruches 1.The invention relates to a perforating knife for cross-perforating signatures according to the preamble of claim 1.

Durch die DT 22 34 078 ist ein Verfahren und eine Vorrichtung zur Herstellung mehrlagiger Signaturen bekannt, mit welcher Probleme des Auftretens von Quetschfalten oder Runzeln am Schnittpunkt der Falzlinien beseitigt sind, indem Schlitze oder Perforationen eingebracht werden, die sich in Längsrichtung einer der Falzlinien erstrecken. Derartige Perforationen werden mittels Perforiermesser eingebracht.DT 22 34 078 discloses a method and a device for producing multi-layer signatures, with which problems of the appearance of pinch folds or wrinkles at the intersection of the fold lines are eliminated by introducing slots or perforations which extend in the longitudinal direction of one of the fold lines. Such perforations are made using a perforating knife.

Es ist weiterhin bekannt Perforationen zu erzeugen und entlang dieser Perforationen zu Falzen.It is also known to create perforations and to fold along these perforations.

Nachteilig bei diesem Perforieren ist jedoch, daß das zu verwendende Perforiermesser entsprechend der Grammatur der Papierbahnen sowie der Anzahl der Lagen der zu falzenden Signaturen jeweils eine unterschiedliche Dicke aufweisen und demzufolge für jede bestimmte Produktion separat angefertigt sein muß.A disadvantage of this perforation, however, is that the perforating knife to be used has a different thickness depending on the grammage of the paper webs and the number of layers of the signatures to be folded, and consequently must be made separately for each specific production.

Der Erfindung liegt die Aufgabe zugrunde, ein Perforiermesser zum Querperforieren von Signaturen zu schaffen, welches ohne großen Mehraufwand sowohl an verschiedene Grammaturen von Papierbahnen als auch an eine unterschiedliche Anzahl von Lagen der Signaturen anpaßbar ist.The invention is based on the object To create perforating knives for cross-perforating signatures, which can be adapted to different grammages of paper webs as well as to a different number of layers of the signatures without much additional effort.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruches 1 gelöst.According to the invention, this object is achieved by the features of claim 1.

Durch die Erfindung treten insbesondere nachfolgende Vorteile auf: durch die Erfindung wurde ein universell einsetzbares Perforiermesser geschaffen, welches in seiner Dicke variabel ausgeführt ist. Somit ist das Perforiermesser sowohl an die jeweilige Grammatur der Papierbahn als auch an die Anzahl der zu falzenden Signaturen anpaßbar, ohne daß für jede abweichende Produktion ein separates Perforiermesser angefertigt bzw. eingesetzt werden muß.The invention has the following advantages in particular: the invention provides a universally usable perforating knife which is variable in its thickness. The perforating knife can thus be adapted both to the respective grammage of the paper web and to the number of signatures to be folded, without a separate perforating knife having to be made or used for each different production.

Die Erfindung wir nachstehend an mehreren Ausführungsbeispielen näher erläutert. Die zugehörigen Zeichnungen zeigen in

Fig. 1
eine Vorderansicht eines Teiles eines ersten Messerblattes,
Fig. 2
eine Draufsicht nach Fig. 1,
Fig. 3
eine Seitenansicht nach Fig. 1,
Fig. 4
eine Vorderansicht eines Teiles eines zweiten Messerblattes,
Fig. 5
eine Draufsicht nach Fig. 4,
Fig. 6
eine Seitenansicht nach Fig. 4,
Fig. 7
eine Vorderansicht eines Teiles eines dritten Messerblattes,
Fig. 8
eine Draufsicht nach Fig. 7,
Fig. 9
eine Seitenansicht nach Fig. 7,
Fig. 10
eine Vorderansicht eines Teiles eines Beilageblattes,
Fig. 11
eine Draufsicht nach Fig. 10,
Fig. 12
eine Seitenansicht nach Fig. 10,
Fig. 13
eine Draufsicht auf ein erstes erfindungsgemäßes Perforiermesser,
Fig. 14
eine Seitenansicht nach Fig. 13,
Fig. 15
eine Draufsicht auf ein zweites erfindungsgemäßes Perforiermesser,
Fig. 16
eine Seitenansicht nach Fig. 15,
Fig. 17
eine Draufsicht auf ein drittes erfindungsgemäßes Perforiermesser,
Fig. 18
eine Seitenansicht nach Fig. 17,
Fig. 19
eine Draufsicht auf ein viertes erfindungsgemäßes Perforiermesser,
Fig. 20
eine Seitenansicht nach Fig. 19,
Fig. 21
eine Draufsicht auf ein fünftes erfindungsgemäßes Perforiermesser,
Fig. 22
eine Seitenansicht nach Fig. 21,
Fig. 23
eine Draufsicht auf ein sechstes erfindungsgemäßes Perforiermesser,
Fig. 24
eine Seitenansicht nach Fig. 23,
Ein insgesamt mit 1 bezeichnetes erstes Messerblatt weist eine Dicke d, z. B. von einem Millimeter sowie eine Gesamthöhe H auf und besitzt auf seiner ersten Seite 3 eine Vielzahl von jeweils in einem lichten Abstand a, z. B. von 1,5 Millimetern voneinander beabstandete, an ihrer Spitze angeschliffene Perforierzähne 2 mit einer Breite auf, die z. B. einem dreifachen lichten Abstand a der Perforierzähne 2 entsprechen kann. Eine zweite Seite 4 des Messerblattes 1 weist Ausnehmungen 6 auf, mittels welchen das Messerblatt 1 sowie jedes nachfolgend beschriebene Messerblatt in vertikaler Richtung in einer nichtdargestellten Aufnahme höhenverstellbar angeordnet ist (Fig. 1 bis 3).The invention is explained in more detail below using several exemplary embodiments. The associated drawings show in
Fig. 1
a front view of part of a first knife blade,
Fig. 2
2 shows a top view according to FIG. 1,
Fig. 3
2 shows a side view according to FIG. 1,
Fig. 4
a front view of part of a second knife blade,
Fig. 5
4,
Fig. 6
3 shows a side view according to FIG. 4,
Fig. 7
a front view of part of a third knife blade,
Fig. 8
7 shows a plan view according to FIG. 7,
Fig. 9
7 shows a side view according to FIG. 7,
Fig. 10
a front view of part of an insert sheet,
Fig. 11
10 shows a plan view according to FIG. 10,
Fig. 12
10 shows a side view according to FIG. 10,
Fig. 13
a plan view of a first perforating knife according to the invention,
Fig. 14
13 shows a side view according to FIG. 13,
Fig. 15
a plan view of a second perforating knife according to the invention,
Fig. 16
15 shows a side view according to FIG. 15,
Fig. 17
a plan view of a third perforating knife according to the invention,
Fig. 18
17 shows a side view according to FIG. 17,
Fig. 19
a plan view of a fourth perforating knife according to the invention,
Fig. 20
19 shows a side view according to FIG. 19,
Fig. 21
a plan view of a fifth perforating knife according to the invention,
Fig. 22
21 shows a side view according to FIG. 21,
Fig. 23
a plan view of a sixth perforating knife according to the invention,
Fig. 24
23 shows a side view according to FIG. 23,
A first knife blade generally designated 1 has a thickness d, z. B. of a millimeter and a total height H and has on its first side 3 a plurality of each at a clearance a, z. B. of 1.5 millimeters spaced apart, ground at its tip Perforating teeth 2 with a width that z. B. can correspond to a threefold clearance a of the perforating teeth 2. A second side 4 of the knife blade 1 has recesses 6, by means of which the knife blade 1 and each knife blade described below are vertically adjustable in a receptacle (not shown) (FIGS. 1 to 3).

Ein insgesamt mit 7 bezeichnetes zweites Messerblatt weist eine Dicke e, z. B. von zwei Millimetern auf sowie eine Gesamthöhe H und besitzt auf seiner ersten Seite 3 eine Vielzahl jeweils in einem Abstand a voneinander beabstandete, in einem Winkel minus Alpha, z. B. von 45°, zu einer horizontalen Längsachse 9 angeordnete Perforierzähne 11, die an ihrer Spitze angeschliffen sind. Eine Breite der Perforierzähne 11 kann einem lichten Abstand a der Perforierzähne 11 entsprechen. Eine zweite Seite 4 des Messerblattes 7 weist ebenfalls Ausnehmungen 6 auf, wie bereits vorher beschrieben (Fig. 4 bis 6).A total of 7 designated second blade has a thickness e, z. B. of two millimeters on and a total height H and has on its first side 3 a plurality each spaced apart at a distance a, at an angle minus alpha, z. B. from 45 ° to a horizontal longitudinal axis 9 arranged perforating teeth 11 which are ground at their tip. A width of the perforating teeth 11 can correspond to a clear distance a between the perforating teeth 11. A second side 4 of the knife blade 7 also has recesses 6, as already described previously (FIGS. 4 to 6).

Bei einem insgesamt mit 12 bezeichnetem dritten Messerblatt besteht gegenüber dem zweiten Messerblatt 7 eine Besonderheit darin, daß voneinander in einem Abstand a beabstandete Perforierzähne 13 in einem Winkel plus Alpha zur horizontalen Längsachse 9 angeordnet sind (Fig. 7 bis 9).In the case of a third knife blade, designated overall by 12, a special feature compared to the second knife blade 7 is that perforating teeth 13 spaced apart from one another at a distance a are arranged at an angle plus alpha to the horizontal longitudinal axis 9 (FIGS. 7 to 9).

Eine insgesamt mit 14 bezeichnetes erstes Beilageblatt weist eine Dicke d, z. B. von einem Millimeter auf sowie eine Höhe h, welche geringer ist als die Höhe H der Messerblätter 1, 7 und 12 (Fig. 10 bis 12). Während eine erste Seite 16 des Beilageblattes 14 keine Zähne aufweist, ist eine zweite Seite 4 mit Ausnehmungen 6 versehen, wie bereits vorher bei den Messerblättern dargelegt.A total of 14 first insert sheet has a thickness d, z. B. from a millimeter and a height h, which is less than the height H of the knife blades 1, 7 and 12 (Fig. 10 to 12). While a first side 16 of the insert sheet 14 has no teeth, a second side 4 is provided with recesses 6, as already explained above for the knife blades.

In einer zweiten Ausführungsvariante eines Beilageblattes 17 (in Fig. 10 bis 12 jeweils in Klammern gesetzt) besteht die Besonderheit gegenüber dem Beilageblatt 14 darin, daß das Beilageblatt 17 eine Dicke e aufweist, die das Doppelte einer Dicke d des ersten Beilageblattes 14 beträgt.In a second embodiment variant of an insert sheet 17 (in brackets in FIGS. 10 to 12 in each case), the special feature with respect to the insert sheet 14 is that the insert sheet 17 has a thickness e which is twice the thickness d of the first insert sheet 14.

Ein erfindungsgemäßes, insgesamt mit 18 bezeichnetes erstes Perforiermesser 18 (Fig. 13 und 14) besteht aus einem mittig angeordneten ersten Messerblatt 1 mit einer Gesamthöhe H sowie zwei beidseitig an den Längsseiten des ersten Messerblattes 1 anliegenden und somit außen angeordneten Beilageblättern 17 mit einer geringeren Höhe h sowie jeweils einer doppelten Dicke e gegenüber der Dicke d des ersten Messerblattes 1.A first perforating knife 18 according to the invention, designated overall by 18 (FIGS. 13 and 14), consists of a centrally arranged first knife blade 1 with a total height H and two washer blades 17 lying on both sides on the long sides of the first knife blade 1 and thus arranged on the outside and having a lower height h and in each case a double thickness e compared to the thickness d of the first knife blade 1.

Ein erfindungsgemäßes, insgesamt mit 19 bezeichnetes zweites Perforiermesser besteht aus einem mittig angeordneten Messerblatt 1 sowie einem dem Messerblatt 1 außen beigeordneten (zweiten) Beilageblatt 17 geringerer Höhe h, doppelter Dicke e und zwei auf der anderen Außenseite beigeordneten halblangen, spiegelbildlich zu einer vertikalen Mittellinie 21 angeordnete, jeweils in einer horizontalen Flucht hintereinander liegendes zweites und drittes Messerblatt 7; 12 doppelter Dicke e und einer Höhe H (Fig. 15 und 16).A second perforating knife according to the invention, designated overall by 19, consists of a centrally arranged knife blade 1 and a smaller (second) shim 17 associated with the knife blade 1 on the outside Height h, double thickness e and two semi-long blades arranged on the other outside, mirror-inverted to a vertical center line 21, each in a horizontal alignment one behind the other and third knife blade 7; 12 double thickness e and a height H (Fig. 15 and 16).

Ein erfindungsgemäßes, insgesamt mit 22 bezeichnetes drittes Perforiermesser weist gegenüber dem zweiten Perforiermesser 19 die Besonderheit auf, daß die äußeren Teile, nämlich die halblangen Messerblätter 7, 12 auf der einen Seite des Messerblattes 1 sowie das (zweite) Beilageblatt 17 auf der anderen Seite des Messerblattes 1 gegeneinander ausgetauscht worden sind (Fig. 17 und 18).A third perforating knife according to the invention, designated overall by 22, has the special feature compared to the second perforating knife 19 that the outer parts, namely the half-length knife blades 7, 12 on one side of the knife blade 1 and the (second) insert sheet 17 on the other side of the Knife blade 1 have been replaced with each other (Fig. 17 and 18).

Bei einem erfindungsgemäßen, insgesamt mit 23 bezeichnetem vierten Perforiermesser sind zwei halblange Messerblätter 7, 12 so nebeneinander angeordnet worden, daß diese ein Fischgrätenmuster ergeben. Die Gesamtlänge des Perforiermessers 23 wird durch eine spiegelbildliche Anordnung jeweils zweier weiterer Messerblätter 12, 7 zu den erstgenannten halblangen Messerblättern 7, 12 erhalten, die mit ihren fischgrätenförmigen Scheitelpunkten 24 zur vertikalen Mittellinie 21 weisen (Fig. 19 und 20). Ein eine Dicke d sowie eine Höhe h aufweisendes Beilageblatt 14 ist auf einer ersten Außenseite der beiden fischgrätenartig zueinander angeordneten, eine Gesamtdicke von 2e aufweisende Messerblätter 7, 12; 12, 7 angeordnet.In a fourth perforating knife according to the invention, designated overall by 23, two half-length knife blades 7, 12 have been arranged side by side so that they result in a herringbone pattern. The total length of the perforating knife 23 is obtained by a mirror-image arrangement of two further knife blades 12, 7 to the first-mentioned half-length knife blades 7, 12, which point with their herringbone apex 24 to the vertical center line 21 (Fig. 19 and 20). A shim 14 having a thickness d and a height h is arranged on a first outer side of the two herringbone-like to one another and has a total thickness of 2e Knife blades 7, 12; 12, 7 arranged.

Ein erfindungsgemäßes, insgesamt mit 26 bezeichnetes fünftes Perforiermesser weist gegenüber dem vorgenannten vierten Perforiermesser 23 die Besonderheit auf, daß ein (erstes) eine Dicke d sowie eine Höhe h aufweisendes Beilageblatt 14 auf einer zweiten, d. h. der anderen Außenseite der beiden fischgrätenartig zueinander angeordneten Messerblätter 7, 12; 12, 7 befindlich ist (Fig. 21 und 22).A fifth perforating knife according to the invention, designated overall by 26, has the special feature compared to the aforementioned fourth perforating knife 23 that a (first) shim 14 having a thickness d and a height h is placed on a second, i.e. H. the other outside of the two herringbone blades 7, 12; 12, 7 is located (Fig. 21 and 22).

Schließlich ist bei einem erfindungsgemäßen, insgesamt mit 27 bezeichneten sechsten Perforiermesser vorgesehen, daß ein erstes eine Dicke d aufweisendes Messerblatt 1 sandwichartig zwischen zwei fischgrätenförmig zueinander angeordneten Perforiermessern 7, 12 sowie 12, 7 mit einer jeweiligen Dicke e befindlich ist. Alle Teile 1; 7, 12; 12, 7 weisen eine Gesamthöhe H auf.Finally, in a sixth perforating knife according to the invention, generally designated 27, it is provided that a first knife blade 1 having a thickness d is sandwiched between two herringbone perforating knives 7, 12 and 12, 7 with a respective thickness e. All parts 1; 7, 12; 12, 7 have a total height H.

Alle genannten Perforiermesser 18; 19; 22; 23; 26; 27 sind Varianten oder Ausführungsbeispiele und können auf Grund des Vorhandenseins weniger Messerblätter und Beilageblätter jeweils den Produktionserfordernissen angepaßt werden. Die Perforiermesser weisen an ihrer zweiten Seite 4, die einer bereits erwähnten Aufnahme zugewandt ist, eine gleiche oder konstante Dicke D auf, welche jeweils aus zwei Beilageblättern 17 mit einer jeweiligen Dicke e sowie einem Messerblatt 1 mit einer Dicke d gebildet wird, so wie Perforiermesser 18, oder andere Kombinationen, deren drei Blätter unabhängig von ihrer Anordnung jedoch immer die Dicken zweimal e und einmal d aufweisen. Alle genannten Perforiermesser 1; 7; 12 weisen an ihrer ersten Seite 3 Zähne auf, die in Richtung eines Gegenperforierzylinders wirken. Eine mögliche Anordnung von Perforiermessern in einer Aufnahme eines Perforierzylinders ist in der EP 03 07 891 B1 gezeigt. Die wahlweise den Perforiermessern 18; 19; 22; 23; 26 beigefügten Beilageblätter 14; 17 weisen deshalb eine geringere Höhe h gegenüber einer Gesamthöhe H der genannten Perforiermesser 18; 19; 22; 23 auf, um eine maximale Eindringtiefe H minus h in die zu perforierenden Signaturen zu gewährleisten. Die einzelnen Messer- bzw. Beilageblätter des Perforiermessers sind in Umfangsrichtung bzw. in peripherer Richtung nebeneinander angeordnet. Die Beilageblätter 14; 17 sind aus gleichem Material hergestellt wie die Messerblätter 1; 7; 12, z. B. aus gehärtetem Stahlblech.All mentioned perforating knife 18; 19; 22; 23; 26; 27 are variants or exemplary embodiments and, due to the presence of fewer knife blades and insert sheets, can each be adapted to the production requirements. On their second side 4, which faces a receptacle already mentioned, the perforating knives have the same or constant thickness D, which is formed in each case from two insert sheets 17 with a respective thickness e and a knife blade 1 with a thickness d, such as perforating knives 18, or other combinations, the three sheets of which, regardless of their arrangement, always have the thicknesses twice e and once d. All mentioned perforating knife 1; 7; 12 have 3 teeth on their first side, which act in the direction of a counter-perforating cylinder. A possible arrangement of perforating knives in a receptacle of a perforating cylinder is shown in EP 03 07 891 B1. The optionally the perforating knives 18; 19; 22; 23; 26 enclosed inserts 14; 17 therefore have a lower height h compared to a total height H of the perforating knife 18; 19; 22; 23 to ensure a maximum penetration depth H minus h into the signatures to be perforated. The individual knife or insert sheets of the perforating knife are arranged side by side in the circumferential direction or in the peripheral direction. The supplement sheets 14; 17 are made of the same material as the knife blades 1; 7; 12, e.g. B. made of hardened steel sheet.

Es ist auch möglich, zwei Messerblätter 1 mit jeweils einer Dicke d nebeneinander zuzüglich einem Beilageblatt 14 und 17 mit einer jeweilige Dicke d, e anzuordnen.It is also possible to arrange two knife blades 1 each with a thickness d next to one another plus an insert sheet 14 and 17 with a respective thickness d, e.

Die Perforation der mehrlagigen Signaturen erfolgt mittels eines vorgenannten Perforiermessers, welches in der Aufnahme des Perforierzylinders angeordnet ist und welches entsprechend den Besonderheiten der jeweilig zu fahrenden Produktion zusammengestellt wird. Bei der Zusammenstellung des Perforiermessers kann nicht nur die Dicke sowie die Art der des zu perforierenden Materials berücksichtigt werden, sondern auch eine unterschiedliche Länge der Signaturen, was durch die wahlweise Anordnung der außen angelegten Beilageblätter beim Perforieren ermöglicht wird. Das Falzen kann auf der Perforationslinie erfolgen.The perforation of the multi-layer signatures takes place by means of a perforating knife, which is arranged in the receptacle of the perforating cylinder and which is put together in accordance with the particularities of the respective production to be driven. In the Compilation of the perforating knife can take into account not only the thickness and the type of material to be perforated, but also a different length of the signatures, which is made possible by the optional arrangement of the outer insert sheets when perforating. Folding can be done on the perforation line.

TeilelisteParts list

11
Messerblatt, erstesKnife blade, first
22nd
Perforierzahn (1)Perforating tooth (1)
33rd
Seite, erste (1, 7, 12)Page, first (1, 7, 12)
44th
Seite, zweite (1, 7, 12, 14, 17)Side, second (1, 7, 12, 14, 17)
55
--
66
Ausnehmung (1, 7, 12, 14, 17)Recess (1, 7, 12, 14, 17)
77
Messerblatt, zweitesKnife blade, second
88th
--
99
horizontale Längsachse (7)horizontal longitudinal axis (7)
1010th
--
1111
Perforierzahn (7)Perforating tooth (7)
1212th
Messerblatt, drittesKnife blade, third
1313
Perforierzahn (12)Perforating tooth (12)
1414
Beilageblatt, erstesSupplement, first
1515
--
1616
Seite, erste (14, 17)Page, first (14, 17)
1717th
Beilageblatt, zweitesSupplement, second
1818th
Perforiermesser, erstesPerforating knife, first
1919th
Perforiermesser, zweitesPerforating knife, second
2020th
--
2121
Mittellinie (18, 19, 22, 23)Center line (18, 19, 22, 23)
2222
Perforiermesser, drittesPerforating knife, third
2323
Perforiermesser, viertesPerforating knife, fourth
2424th
ScheitelpunktVertex
2525th
--
2626
Perforiermesser, fünftesPerforating knife, fifth
2727
Perforiermesser, sechstesPerforating knife, sixth
DD
Dicke (18)Thick (18)
HH
Höhe (1, 7, 12)Height (1, 7, 12)
aa
Abstand, lichter (2, 11, 13)Clearance, clearances (2, 11, 13)
dd
Dicke (1, 14)Thickness (1, 14)
ee
Dicke (7, 12, 17)Thickness (7, 12, 17)
hH
Höhe (14, 17)Height (14, 17)
minusminus
Alpha Winkel (9, 7)Alpha angle (9, 7)
plusplus
Alpha Winkel (9, 12)Alpha Angle (9, 12)

Claims (3)

Perforiermesser zum Einbringen von Perforationen in mehrlagige Signaturen vor dem Falzen in einem Falzapparat einer Rollenrotationsdruckmaschine mit einer Anzahl von nebeneinander angeordneten Perforierzähnen, dadurch gekennzeichnet, daß das Perforiermesser (18; 19; 22; 23; 26; 27) aus einer einspannbaren Messerleiste konstanter Dicke (D) mit mehreren austauschbaren, in peripherer Richtung eines Perforierzylinders nebeneinander angeordneten Messerblättern (1; 7; 12) oder Beilageblättern (14; 17) variabler Dicke (d; e) besteht.Perforating knife for introducing perforations into multilayer signatures before folding in a folder of a web-fed rotary printing press with a number of perforating teeth arranged next to one another, characterized in that the perforating knife (18; 19; 22; 23; 26; 27) consists of a clampable knife bar of constant thickness ( D) with a plurality of interchangeable knife blades (1; 7; 12) or insert blades (14; 17) of variable thickness (d; e) arranged in the peripheral direction of a perforating cylinder. Perforiermesser nach Anspruch 1, dadurch gekennzeichnet, daß die zweiten und dritten Messerblätter (7; 12; 12; 7) jeweils halblang ausgebildet sind und spiegelbildlich zu einer vertikalen Mittellinie (21) hintereinander angeordnet sind.Perforating knife according to claim 1, characterized in that the second and third knife blades (7; 12; 12; 7) are each half-length and are arranged one behind the other as a mirror image of a vertical center line (21). Perforiermesser nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die Beilageblätter (14; 17) gegenüber den Messerblättern (1; 7; 12) eine verringerte Höhe (h) aufweisen.Perforating knife according to claims 1 and 2, characterized in that the insert blades (14; 17) have a reduced height (h) compared to the knife blades (1; 7; 12).
EP19950113667 1994-09-06 1995-08-31 Perforating cutter Expired - Lifetime EP0701888B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4431645 1994-09-06
DE19944431645 DE4431645A1 (en) 1994-09-06 1994-09-06 Perforating knife

Publications (3)

Publication Number Publication Date
EP0701888A2 true EP0701888A2 (en) 1996-03-20
EP0701888A3 EP0701888A3 (en) 1996-10-23
EP0701888B1 EP0701888B1 (en) 2001-10-24

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ID=6527491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950113667 Expired - Lifetime EP0701888B1 (en) 1994-09-06 1995-08-31 Perforating cutter

Country Status (4)

Country Link
US (1) US5768969A (en)
EP (1) EP0701888B1 (en)
JP (1) JP2614432B2 (en)
DE (2) DE4431645A1 (en)

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Also Published As

Publication number Publication date
JPH08206998A (en) 1996-08-13
EP0701888B1 (en) 2001-10-24
JP2614432B2 (en) 1997-05-28
US5768969A (en) 1998-06-23
DE59509742D1 (en) 2001-11-29
DE4431645A1 (en) 1996-03-07
EP0701888A3 (en) 1996-10-23

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