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EP0559077A1 - Device for adjusting a cutting blade on a cylinder of a folding machine - Google Patents

Device for adjusting a cutting blade on a cylinder of a folding machine Download PDF

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Publication number
EP0559077A1
EP0559077A1 EP93102928A EP93102928A EP0559077A1 EP 0559077 A1 EP0559077 A1 EP 0559077A1 EP 93102928 A EP93102928 A EP 93102928A EP 93102928 A EP93102928 A EP 93102928A EP 0559077 A1 EP0559077 A1 EP 0559077A1
Authority
EP
European Patent Office
Prior art keywords
knife
wedge
cutting
cylinder
rail
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
EP93102928A
Other languages
German (de)
French (fr)
Other versions
EP0559077B1 (en
Inventor
Michael Held
Holger Ratz
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
Albert Frankenthal AG
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 Albert Frankenthal AG, Koenig and Bauer Albert AG filed Critical Albert Frankenthal AG
Publication of EP0559077A1 publication Critical patent/EP0559077A1/en
Application granted granted Critical
Publication of EP0559077B1 publication Critical patent/EP0559077B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/25—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 cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B26D1/405—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/25—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 cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/42—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member
    • B26D1/425—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • 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
    • B41F13/56—Folding or cutting
    • B41F13/60—Folding or cutting crosswise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation
    • 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
    • Y10T83/9396—Shear type
    • Y10T83/9399—Cutting edge wholly parallel to axis of rotation
    • 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
    • Y10T83/9469—Adjustable
    • 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
    • Y10T83/9469—Adjustable
    • Y10T83/9471—Rectilinearly

Definitions

  • the invention relates to a device for adjusting a knife according to the preamble of patent claim 1.
  • Such devices are e.g. B. from DE 26 56 267 A1.
  • a cutting knife for cutting through several sheet layers in the radial direction can be adjusted.
  • wedge-shaped means displaceable in the longitudinal direction of the cylinder are provided. The radial displacement of the cutting knives takes place together with the counter-cutting bars of an adjacent cylinder, in order to always ensure an optimal distance between the cutting knife and counter-cutting bar when the thickness of the sheet layers changes, and thus to have good conditions when transporting the sheet layers through the folder.
  • Folders must be convertible to as many types of production as possible. Folders have become known, the cylinder groups of which can be converted to only cutters, first cross fold, first plus second cross fold or delta fold.
  • the knife cylinder and the counter-cutting bar cylinder interacting with it must have several knives or counter-cutting bars distributed irregularly around their circumference, or both.
  • the knife cylinder has three knives and one counter-cutting bar and the counter-cutting bar cylinder has one knife and three counter-cutting bars.
  • Knives that were not previously required were removed and replaced with filler pieces. This work had to be carried out very carefully when the machine was at a standstill, because filler pieces that were not properly installed pose a risk to the operating personnel.
  • the invention has for its object to provide a device for holding a cutting or perforating knife on a cylinder of a folder, with which it is possible to continuously adjust the cutting or perforating intensity and / or the cutting insert of a cutting knife or the perforating line to adjust exactly to the fold line.
  • the device according to the invention can easily be made remotely adjustable by arranging motors or other actuating devices, so that the knife can be adjusted in the radial and / or circumferential direction during operation.
  • the knives can easily be pulled back under the periphery of the cylinder.
  • the cylinders can be designed for several types of production by arranging several knives distributed around the circumference. Knives that are not required can easily be z. B. remotely, be made ineffective (see above) without having to be replaced by fillers.
  • a knife cylinder 1 as the base body 2 consists of a thick-walled tube 3.
  • a bearing pin 7, 8 is flanged to a left and right end face 4, 6 of the tube 3.
  • the bearing pin 8 has a concentric bore 9, which opens into a larger cylindrical recess 11 .
  • a bushing 12 with a wedge guide groove 13 is screwed to a recess 14 on the right end face 6.
  • a similar socket is screwed onto the left end face 4 of the tube 3.
  • an adjusting spindle 16 is displaceable but not rotatably mounted. A wedge 17 of the adjusting spindle 16 is therefore guided in the wedge guide groove 13.
  • the adjusting spindle 16 is used for Generation of a radial movement of a cutting or perforating knife 18.
  • a push rod 21 is screwed onto a right end face 19 of the adjusting spindle 16 via a flange 22.
  • a second end, not shown, of the push rod 21 is, for. B. coupled using a pressure (radial) bearing to a rotatable and slidable control shaft.
  • This control shaft can, for. B. can be coupled to a screw gear, which by a reversible servomotor - z. B. electrically or pneumatically driven - controlled remotely.
  • a wedge rod 24 extending parallel to the axis of rotation is fastened on a circumference of the adjusting spindle 16 in a longitudinal groove 23. Spread over the length of the wedge rod 24, their adjusting wedges 26 do not protrude from the longitudinal groove 23. The wedge rod 24 thus follows the displacement of the adjusting spindle 16.
  • a wedge support rod 28 (FIG. 5) is arranged between an outer guide surface 27 of a collar 25 of the right bushing 12 and a guide surface of a collar of a left bushing, not shown, and slidable along the guide surfaces. It carries on its underside a plurality of counter wedge pieces 29, the wedges of which are exactly adapted to the adjusting wedges 26 which cooperate with them and protrude into the longitudinal groove 23.
  • the wedge support rod 28 is provided in the longitudinal axis direction with a plurality of blind holes 31, in each of which a part of a compression spring 32 is located, which has an intermediate space 33 penetrates and is supported at the bottom on a web 34 of the tube 3.
  • the web 34 is formed by the incorporation of an upwardly open pit 36 into the tubular body 2.
  • the compression springs 32 have the task of absorbing the cutting forces introduced via the cutting or perforating knife 18.
  • a plurality of internally and externally threaded stud bolts 37 are screwed into threaded bores along their longitudinal axis.
  • the stud bolts 37 pass through bores _ in the web 34.
  • a support rail 38 (FIG. 6) is screwed onto them on an upper end face of the stud bolts 37.
  • a knife carrier rail 41 is arranged displaceably in the transverse direction of the support rail 38.
  • the knife carrier rail 41 is provided with a plurality of elongated holes 42 arranged next to one another and extending 90 o horizontally to the longitudinal axis of the knife carrier rail 41.
  • the elongated holes 42 are each arranged in a part of the knife carrier rail 41 weakened by a groove 43.
  • the knife carrier rail 41 is screwed onto the support rail 38 by in each case a screw 46 with a fitting shaft and a plate spring 44 threaded onto it the slot 42 is screwed into a threaded hole until the necessary surface pressure between the knife carrier rail 41 and the support rail 38 is reached.
  • a reciprocating machine element z. B. one end of a lever arm of a two-armed lever, which is coupled via a roller that is moved by a groove of a motor-rotatable cam.
  • FIG. 2 Protruding into the pit 36, several counter wedge pieces 53 are screwed and pinned to the knife carrier rail 41 (FIG. 2). For the sake of simplicity, only one is shown in FIG. 2.
  • the wedge surfaces of the adjusting wedges 51 and the counter wedge pieces 53 slide on one another.
  • a rear side 54 of the knife carrier rail 41 has a plurality of blind holes 56, into each of which a compression spring 57 is inserted.
  • the compression springs 57 are each supported on the bottom of the blind holes 56 and on centering pieces 58, which are fastened to a right wall 59 of the pit 36.
  • the adjusting wedges 51 press the knife carrier rail 41 with the cutting or perforating knife 18 attached to the counter wedge pieces 53 against the spring force of the compression springs 57 in the direction of the right pit wall 59.
  • the adjusting rod becomes 49 moved to the left in the direction of the pit end, the compression springs 57 press the knife carrier rail 41 with the cutting or perforating knife 18 away from the right pit wall 59 in the direction of the left pit wall 47.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Details Of Cutting Devices (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

A cutting or perforating blade (18) is arranged on a cutting cylinder (1) of a folding machine so as to be infinitely variably displaceable in the radial and in the circumferential direction of the cutting cylinder (1). <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Einstellen eines Messers gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a device for adjusting a knife according to the preamble of patent claim 1.

Derartige Vorrichtungen sind z. B. aus der DE 26 56 267 A1 bekanntgeworden. Mit der dort beschriebenen Einrichtung kann ein Schneidmesser zum Durchschneiden von mehreren Bogenlagen in radialer Richtung verstellt werden. Hierzu sind in Zylinderlängsachsenrichtung verschiebbare, keilförmige Mittel vorgesehen. Die radiale Verschiebung der Schneidmesser geschieht zusammen mit den Gegenschneidleisten eines benachbarten Zylinders, um bei geänderter Dicke der Bogenlagen immer einen optimalen Abstand Zwischen Schneidmesser und Gegenschneidleiste zu gewährleisten und so gute Verhältnisse beim Transport der Bogenlagen durch den Falzapparat zu haben.Such devices are e.g. B. from DE 26 56 267 A1. With the device described there, a cutting knife for cutting through several sheet layers in the radial direction can be adjusted. For this purpose, wedge-shaped means displaceable in the longitudinal direction of the cylinder are provided. The radial displacement of the cutting knives takes place together with the counter-cutting bars of an adjacent cylinder, in order to always ensure an optimal distance between the cutting knife and counter-cutting bar when the thickness of the sheet layers changes, and thus to have good conditions when transporting the sheet layers through the folder.

Die Frage, in wieweit Schneidmesser oder Perforiermesser völlig außer Wirksamkeit zu stellen oder in Umfangsrichtung zu verstellen sind, wird in jener Druckschrift nicht angesprochen.The question of the extent to which cutting knives or perforating knives are to be rendered completely ineffective or to be adjusted in the circumferential direction is not addressed in that publication.

Falzapparate müssen auf möglichst viele Produktionsarten umstellbar sein. So sind Falzapparate bekanntgeworden, deren Zylindergruppen umstellbar sind auf nur Schneiden, erster Querfalz, erster plus zweiter Querfalz oder Deltafalz. Hierzu müssen der Messerzylinder und der mit ihm Zusammenwirkende Gegenschneidleisten-Zylinder mehrere, unregelmäßig um ihren Umfang verteilte Messer bzw. Gegenschneidleisten oder beides aufweisen. So hat zum Beispiel der Messerzylinder drei Messer und eine Gegenschneidleiste und der Gegenschneidleisten-Zylinder ein Messer und drei Gegenschneidleisten.Folders must be convertible to as many types of production as possible. Folders have become known, the cylinder groups of which can be converted to only cutters, first cross fold, first plus second cross fold or delta fold. For this purpose, the knife cylinder and the counter-cutting bar cylinder interacting with it must have several knives or counter-cutting bars distributed irregularly around their circumference, or both. For example, the knife cylinder has three knives and one counter-cutting bar and the counter-cutting bar cylinder has one knife and three counter-cutting bars.

So wurden bisher nicht benötigte Messer ausgebaut und durch Füllstücke ersetzt. Diese Arbeiten mußten sehr sorgfältig bei Maschinenstillstand durchgeführt werden, weil nicht gut montierte Füllstücke eine Gefahr für das Bedienungspersonal bedeuten.Knives that were not previously required were removed and replaced with filler pieces. This work had to be carried out very carefully when the machine was at a standstill, because filler pieces that were not properly installed pose a risk to the operating personnel.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Halten eines Schneid- oder Perforiermessers auf einem Zylinder eines Falzapparates zu schaffen, mit dem es möglich ist, die Schneid- bzw. Perforierintensität stufenlos zu verstellen und/oder den Schnitteinsatz eines Schneidmessers bzw. die Perforierlinie auf die Falzlinie genau einzustellen.The invention has for its object to provide a device for holding a cutting or perforating knife on a cylinder of a folder, with which it is possible to continuously adjust the cutting or perforating intensity and / or the cutting insert of a cutting knife or the perforating line to adjust exactly to the fold line.

Diese Aufgabe wird durch die Merkmale des Patentanspruches 1 gelöst.This object is solved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß sowohl die Schneid- bzw. Perforiermesserintensität als auch die Wirkungslinie von Schneid- bzw. Perforiermesser exakt eingestellt werden können.The advantages which can be achieved with the invention consist in particular in that both the cutting or perforating knife intensity and the line of action of the cutting or perforating knife can be set exactly.

Die erfindungsgemäße Vorrichtung kann leicht durch Anordnung von Motoren oder sonstigen Stelleinrichtungen fernverstellbar gemacht werden, so daß während des Betriebes das Messer in radialer und/oder Umfangsrichtung verstellt werden kann.The device according to the invention can easily be made remotely adjustable by arranging motors or other actuating devices, so that the knife can be adjusted in the radial and / or circumferential direction during operation.

Die Messer lassen sich leicht unter die Peripherie des Zylinders zurückziehen. Hierdurch können die Zylinder durch Anordnung mehrerer Messer um den Umfang verteilt für mehrere Produktionsarten ausgeführt sein. Nicht benötigte Messer können leicht, z. B. fernbetätigt, außer Wirkung (siehe oben) gestellt werden, ohne daß sie durch Füllstücke ersetzt werden müssen.The knives can easily be pulled back under the periphery of the cylinder. As a result, the cylinders can be designed for several types of production by arranging several knives distributed around the circumference. Knives that are not required can easily be z. B. remotely, be made ineffective (see above) without having to be replaced by fillers.

Außerdem ist es möglich, durch ein Verschieben von Schneidmessern in Umfangsrichtung auf einem Schneidmesserzylinder, - der mit einem Sammelzylinder zusammenwirkt -, Bogenlagen wahlweise "kurz - lang" zu schneiden, um so auch dickere gesammelte Produkte mit ineinanderliegenden Bogenlagen optisch einwandfrei erzeugen zu können, d. h. die innere Bogenlage steht nicht über die äußere Bogenlage hinaus.It is also possible, by moving cutting knives in the circumferential direction on a cutting knife cylinder, which cooperates with a collecting cylinder, to cut sheet layers optionally "short - long", in order to be able to produce thicker collected products with sheet layers lying one inside the other in an optically perfect manner . H. the inner sheet position does not protrude beyond the outer sheet position.

Ein Ausführungsbeispiel ist in der Zeichnung dargestellt und wird im folgenden weiter beschrieben.
Es zeigen

Fig. 1
eine schematische Darstellung im Schnitt der erfindungsgemäßen Vorrichtung mit der Verstelleinrichtung für die radiale Verstellung des Messers, in verkleinerter Darstellung,
Fig. 2
eine schematische Darstellung als Draufsicht auf die erfindungsgemäße Vorrichtung mit Verstelleinrichtung für die Verstellung des Messers in Umfangsrichtung, in verkleinerter Darstellung,
Fig. 3
eine schematische Darstellung der erfindungsgemäßen Vorrichtung als Vertikalschnitt,
Fig. 4
eine Keilstange, Umfangsverstellung (Draufsicht),
Fig. 5
eine Keilstange, Radialverstellung (Seitenansicht),
Fig. 6
eine Querstange (Draufsicht).
An embodiment is shown in the drawing and will be further described below.
Show it
Fig. 1
1 shows a schematic representation in section of the device according to the invention with the adjustment device for the radial adjustment of the knife, in a reduced representation,
Fig. 2
1 shows a schematic representation as a plan view of the device according to the invention with an adjustment device for the adjustment of the knife in the circumferential direction, in a reduced representation,
Fig. 3
2 shows a schematic representation of the device according to the invention as a vertical section,
Fig. 4
a wedge bar, circumferential adjustment (top view),
Fig. 5
a wedge bar, radial adjustment (side view),
Fig. 6
a crossbar (top view).

Ein Messerzylinder 1 besteht als Grundkörper 2 aus einem dickwandigen Rohr 3. An eine linke und rechte Stirnseite 4, 6 des Rohres 3 ist ein Lagerzapfen 7, 8 angeflanscht Der Lagerzapfen 8 weist eine konzentrische Bohrunq 9 auf, die in eine größere zylinderförmige Aussparung 11 mündet. Teilweise innerhalb der Aussparung 11 liegend ist eine Buchse 12 mit einer Keilführungsnut 13 an einen Einstich 14 an der rechten Stirnseite 6 angeschraubt. Eine ähnliche Buchse ist an die linke Stirnseite 4 des Rohres 3 angeschraubt. In jeweils einer Führungsbohrung der linken und rechten Buchse 12 ist eine Stellspindel 16 verschiebbar, jedoch nicht verdrehbar gelagert. Ein Keil 17 der Stellspindel 16 wird deshalb in der Keilführungsnut 13 geführt. Die Stellspindel 16 dient zur Erzeugung einer radialen Bewegung eines Schneid- oder Perforiermessers 18. An eine rechte Stirnseite 19 der Stellspindel 16 ist eine Schubstange 21 über einen Flansch 22 festgeschraubt. Ein zweites nicht dargestelltes Ende der Schubstange 21 ist z. B. unter Verwendung eines Druck-(Radial)lagers an eine dreh- und verschiebbare Stellwelle angekuppelt. Diese Stellwelle kann z. B. an ein Schraubengetriebe angekuppelt sein, das von einem drehrichtungsumkehrbaren Stellmotor - z. B. elektrisch oder pneumatisch angetrieben - fern angesteuert wird.A knife cylinder 1 as the base body 2 consists of a thick-walled tube 3. A bearing pin 7, 8 is flanged to a left and right end face 4, 6 of the tube 3. The bearing pin 8 has a concentric bore 9, which opens into a larger cylindrical recess 11 . Partly lying within the recess 11, a bushing 12 with a wedge guide groove 13 is screwed to a recess 14 on the right end face 6. A similar socket is screwed onto the left end face 4 of the tube 3. In each of the guide bores of the left and right bushings 12, an adjusting spindle 16 is displaceable but not rotatably mounted. A wedge 17 of the adjusting spindle 16 is therefore guided in the wedge guide groove 13. The adjusting spindle 16 is used for Generation of a radial movement of a cutting or perforating knife 18. A push rod 21 is screwed onto a right end face 19 of the adjusting spindle 16 via a flange 22. A second end, not shown, of the push rod 21 is, for. B. coupled using a pressure (radial) bearing to a rotatable and slidable control shaft. This control shaft can, for. B. can be coupled to a screw gear, which by a reversible servomotor - z. B. electrically or pneumatically driven - controlled remotely.

Auf einem Umfang der Stellspindel 16 ist in einer Längsnut 23 eine sich parallel zur Rotationsachse erstreckende Keilstange 24 befestigt. Hierbei ragen auf die Länge der Keilstange 24 verteilt, ihre Stellkeile 26 aus der Längsnut 23 nicht heraus. Die Keilstange 24 folgt also der Verschiebung der Stellspindel 16.A wedge rod 24 extending parallel to the axis of rotation is fastened on a circumference of the adjusting spindle 16 in a longitudinal groove 23. Spread over the length of the wedge rod 24, their adjusting wedges 26 do not protrude from the longitudinal groove 23. The wedge rod 24 thus follows the displacement of the adjusting spindle 16.

Zwischen einer äußeren Führungsfläche 27 eines Bundes 25 der rechten Buchse 12 und einer Führungsfläche eines Bundes einer linken nicht dargestellten Buchse, und an den Führungsflächen entlanggleitbar angeordnet, ist eine Keilträgerstange 28 (Fig. 5). Sie trägt an ihrer Unterseite eine Mehrzahl von Gegenkeilstücken 29, deren Keile exakt an die jeweils mit ihnen zusammenwirkenden Stellkeile 26 angepaßt sind und in die Längsnut 23 hineinragen. Die Keilträgerstange 28 ist in Längsachsenrichtung mit einer Mehrzahl von Sacklöchern 31 versehen, in denen sich jeweils ein Teil einer Druckfeder 32 befindet, die einen Zwischenraum 33 durchdringt und sich unten an einem Steg 34 des Rohres 3 abstützt. Der Steg 34 bildet sich durch die Einarbeitung einer nach oben hin offenen Grube 36 in den Rohrkörper 2. Die Druckfedern 32 haben die Aufgabe die über das Schneid- oder Perforiermesser 18 eingeleiteten Schnittkräfte aufzunehmen. In der Keilträgerstange 28 ist entlang ihrer Längsachse in Gewindebohrungen eine Mehrzahl von Innen- und Außengewinde aufweisenden Stehbolzen 37 eingeschraubt. Die Stehbolzen 37 führen durch Bohrungen _ im Steg 34. Auf jeweils einer oberen Stirnfläche der Stehbolzen 37 aufliegend ist eine Stützschiene 38 (Fig. 6) an ihnen angeschraubt. Die Länge der Stehbolzen ist dabei so gewählt, daß zwischen einer Unterseite der Stützschiene 38 und einer Oberseite 39 (= Grundfläche) der Grube 36 ein Zwischenraum entsteht, so daß die radiale Bewegung des Schneid- oder Perforiermessers 18 nicht beeinträchtigt wird.A wedge support rod 28 (FIG. 5) is arranged between an outer guide surface 27 of a collar 25 of the right bushing 12 and a guide surface of a collar of a left bushing, not shown, and slidable along the guide surfaces. It carries on its underside a plurality of counter wedge pieces 29, the wedges of which are exactly adapted to the adjusting wedges 26 which cooperate with them and protrude into the longitudinal groove 23. The wedge support rod 28 is provided in the longitudinal axis direction with a plurality of blind holes 31, in each of which a part of a compression spring 32 is located, which has an intermediate space 33 penetrates and is supported at the bottom on a web 34 of the tube 3. The web 34 is formed by the incorporation of an upwardly open pit 36 into the tubular body 2. The compression springs 32 have the task of absorbing the cutting forces introduced via the cutting or perforating knife 18. In the wedge support rod 28, a plurality of internally and externally threaded stud bolts 37 are screwed into threaded bores along their longitudinal axis. The stud bolts 37 pass through bores _ in the web 34. A support rail 38 (FIG. 6) is screwed onto them on an upper end face of the stud bolts 37. The length of the stud bolts is chosen so that a space is created between an underside of the support rail 38 and an upper side 39 (= base area) of the pit 36, so that the radial movement of the cutting or perforating knife 18 is not impaired.

Auf der Stützschiene 38 ist eine Messerträgerschiene 41 in Querrichtung der Stützschiene 38 verschiebbar angeordnet. Zu diesem Zweck ist die Messerträgerschiene 41 mit einer Mehrzahl von nebeneinander angeordneten, sich 90o horizontal zur Längsachse der Messerträgerschiene 41 erstreckender Langlöcher 42 versehen. Die Langlöcher 42 sind jeweils in einem durch eine Nut 43 geschwächten Teil der Messerträgerschiene 41 angeordnet.On the support rail 38, a knife carrier rail 41 is arranged displaceably in the transverse direction of the support rail 38. For this purpose, the knife carrier rail 41 is provided with a plurality of elongated holes 42 arranged next to one another and extending 90 o horizontally to the longitudinal axis of the knife carrier rail 41. The elongated holes 42 are each arranged in a part of the knife carrier rail 41 weakened by a groove 43.

Die Messerträgerschiene 41 wird an die Stützschiene 38 angeschraubt, indem jeweils eine Schraube 46 mit Paßschaft und auf ihm aufgefädelter Tellerfeder 44 durch das Langloch 42 hindurch in ein Gewindeloch soweit hineingeschraubt wird, bis die notwendige Flächenpressung zwischen Messerträgerschiene 41 und Stützschiene 38 erreicht ist.The knife carrier rail 41 is screwed onto the support rail 38 by in each case a screw 46 with a fitting shaft and a plate spring 44 threaded onto it the slot 42 is screwed into a threaded hole until the necessary surface pressure between the knife carrier rail 41 and the support rail 38 is reached.

Wird nun die Keilstange 24 nach links oder rechts verschoben (Fig. 1), so senken oder heben sich stufenlos über die schiefen Ebenen der Keilpaarungen 26, 29 die Keilträgerstange 28, die mit ihr formschlüssig verbundene Stützschiene 38 und damit über die Messerträgerschiene 41 auch das Schneid- bzw. Perforiermesser 18.If the wedge rod 24 is now moved to the left or right (FIG. 1), the wedge support rod 28, or the support rail 38 which is connected to it in a form-fitting manner and thus also via the knife carrier rail 41, also lower or rise continuously over the inclined planes of the wedge pairs 26, 29 Cutting or perforating knife 18.

Zusätzlich zur radialen Bewegung oder ohne radiale Bewegung soll das Schneid- bzw. Perforiermesser 18 auch in Umfangsrichtung des Messerzylinders 1, - d. h. in einem Winkel von 90o zum Radius in Umfangsrichtung des Messerzylinders 1 - um eine gewisse Strecke verschoben werden. Dieses ist besonders vorteilhaft um z. B. bei Verwendung von Perforiermessern 18 die Perforationslinie exakt auf die Falzlinie auszurichten oder bei Anordnung von mehreren Schneidmessern 18 auf dem Umfang des Messerzylinders 1, um "kurze" oder "lange" Papierbogen zu schneiden.In addition to the radial movement or without radial movement of the cutting or perforating knife 18 will also in the circumferential direction of the knife cylinder 1, - are shifted by a certain distance - that is to say at an angle of 90 ° to the radius in the circumferential direction of the knife cylinder. 1 This is particularly advantageous for e.g. B. when using perforating knives 18 align the perforation line exactly on the fold line or when arranging several cutting knives 18 on the circumference of the knife cylinder 1 to cut "short" or "long" paper sheets.

Zu diesem Zweck ist z. B. in die linke Wand 47 (Fig. 2, Fig. 3) der Grube 36 eine Längsnut 48 eingefräst. In dieser Längsnut 48 ist eine Stellstange 49, die eine Mehrzahl von Stellkeilen 51 aufweist, verschiebbar gelagert. Zur Einleitung einer Verschiebekraft ist die Stellstange 49 z. B. an ihrem linken Ende mit einem Koppelstück 52 versehen. Dieses Koppelstück 52 hat ein Innengewinde. An das Koppelstück 52 kann ein hin- und herbewegbares Maschinenelement z. B. ein Ende eines Hebelarmes eines zweiarmigen Hebels, der über eine Rolle, die von einer Nut einer motorisch verdrehbaren Kurvenscheibe bewegt wird, angekuppelt sein. Hierdurch ist die Lage der Stellstange 49 stufenlos veränderbar.For this purpose, e.g. B. in the left wall 47 (Fig. 2, Fig. 3) of the pit 36 milled a longitudinal groove 48. An adjusting rod 49, which has a plurality of adjusting wedges 51, is slidably mounted in this longitudinal groove 48. To initiate a displacement force, the control rod 49 z. B. provided at its left end with a coupling piece 52. This coupling piece 52 has one Inner thread. At the coupling piece 52 a reciprocating machine element z. B. one end of a lever arm of a two-armed lever, which is coupled via a roller that is moved by a groove of a motor-rotatable cam. As a result, the position of the actuating rod 49 is infinitely variable.

In die Grube 36 hineinragend sind an der Messerträgerschiene 41 mehrere Gegenkeilstücke 53 angeschraubt und verstiftet (Fig. 2). Aus Vereinfachungsgründen ist in Fig. 2 nur ein einziges dargestellt. Die Keilflächen der Stellkeile 51 und der Gegenkeilstücke 53 gleiten aufeinander. Eine Rückseite 54 der Messerträgerschiene 41 weist eine Mehrzahl von Sacklöchern 56 auf, in die jeweils eine Druckfeder 57 hineingeschoben wird. Die Druckfedern 57 stützen sich jeweils am Boden der Sacklöcher 56 und an Zentrierstücken 58 ab, die an einer rechten Wand 59 der Grube 36 befestigt sind. Wird nun die Stellstange 49 in die Grube 36 hineingeschoben, so drücken die Stellkeile 51 über die Gegenkeilstücke 53 die Messertragerschiene 41 mit dem an ihr befestigten Schneid- oder Perforiermesser 18 gegen die Federkraft der Druckfedern 57 in Richtung auf die rechte Grubenwand 59. Wird die Stellstange 49 nach links in Richtung Grubenende bewegt, so drücken die Druckfedern 57 die Messerträgerschiene 41 mit dem Schneid- oder Perforiermesser 18 von der rechten Grubenwand 59 weg in Richtung auf die linke Grubenwand 47.Protruding into the pit 36, several counter wedge pieces 53 are screwed and pinned to the knife carrier rail 41 (FIG. 2). For the sake of simplicity, only one is shown in FIG. 2. The wedge surfaces of the adjusting wedges 51 and the counter wedge pieces 53 slide on one another. A rear side 54 of the knife carrier rail 41 has a plurality of blind holes 56, into each of which a compression spring 57 is inserted. The compression springs 57 are each supported on the bottom of the blind holes 56 and on centering pieces 58, which are fastened to a right wall 59 of the pit 36. If the adjusting rod 49 is now pushed into the pit 36, the adjusting wedges 51 press the knife carrier rail 41 with the cutting or perforating knife 18 attached to the counter wedge pieces 53 against the spring force of the compression springs 57 in the direction of the right pit wall 59. The adjusting rod becomes 49 moved to the left in the direction of the pit end, the compression springs 57 press the knife carrier rail 41 with the cutting or perforating knife 18 away from the right pit wall 59 in the direction of the left pit wall 47.

TeilelisteParts list

11
MesserzylinderKnife cylinder
22nd
GrundkörperBasic body
33rd
Rohrpipe
44th
Stirnseite, linkeFront, left
55
--
66
Stirnseite, rechteFront, right
77
Lagerzapfen, linksBearing journal, left
88th
Lagerzapfen, rechtsBearing journal, right
99
Bohrungdrilling
1010th
--
1111
AussparungRecess
1212
BuchseRifle
1313
KeilführungsnutWedge guide groove
1414
Einstichpuncture
1515
--
1616
StellspindelAdjusting spindle
1717th
Keilwedge
1818th
Schneid- oder PerforiermesserCutting or perforating knife
1919th
Stirnseite, rechte (16)Front, right (16)
2020th
--
2121
SchubstangePush rod
2222
Flanschflange
2323
LängsnutLongitudinal groove
2424th
KeilstangeWedge bar
2525th
BundFederation
2626
StellkeilWedge
2727
FührungsflächeLeadership area
2828
KeilträgerstangeWedge support rod
2929
GegenkeilstückCounter wedge piece
3030th
--
3131
SacklochBlind hole
3232
DruckfederCompression spring
3333
ZwischenraumSpace
3434
Stegweb
3535
--
3636
Grubepit
3737
StehbolzenStud bolts
3838
StützschieneSupport rail
3939
Grundfläche (36)Footprint (36)
4040
--
4141
MesserträgerschieneKnife holder rail
4242
LanglochLong hole
4343
NutGroove
4444
TellerfederBelleville spring
4545
--
4646
Schraubescrew
4747
Grubenwand, linkePit wall, left
4848
LängsnutLongitudinal groove
4949
StellstangeControl rod
5050
--
5151
Stellkeile (49)Wedges (49)
5252
KoppelstückCoupling piece
5353
GegenkeilstückeCounter wedge pieces
5454
Rückseite 54Back 54
5555
--
5656
SacklochBlind hole
5757
DruckfederCompression spring
5858
ZentrierstückCentering piece
5959
Grubenwand, rechtePit wall, right
6060
--

Claims (3)

Vorrichtung zum Einstellen eines Schneid- oder Perforiermessers (18) auf einem Messerzylinder (1) eines Falzapparates einer Rollenrotationsdruckmaschine, wobei zum Einstellen einer radialen Lage des Schneid- oder Perforiermessers (18) keilförmige Mittel (24, 26, 29) vorgesehen sind und das Schneid- oder Perforiermesser (18) an einer Messerträgerschiene (41) befestigt ist, dadurch gekennzeichnet, daß die Messertragerschiene (41) in einer Richtung von 90o zum Radius des Messerzylinders (1) in Richtung Zylinderumfang hin- und herverschiebbar angeordnet ist.Device for setting a cutting or perforating knife (18) on a knife cylinder (1) of a folder of a web-fed rotary printing press, wedge-shaped means (24, 26, 29) are provided for setting a radial position of the cutting or perforating knife (18) and the cutting - or perforating knife (18) is attached to a knife support rail (41), characterized in that the knife-bearing rail (41) o reciprocated in a direction of 90 to the radius of the knife cylinder (1) in the direction of the cylinder circumference and is disposed herverschiebbar. Verrichtung nach Anspruch 1, dadurch gekennzeichnet, daß in einer Längsnut (48) in einer ersten Grubenwand (47) eine Anzahl von Stellkeilen (51) verschiebbar angeordnet ist, daß an einer Messerträgerschiene (41) Gegenkeilstücke (53) vorgesehen sind, deren Keilflächen mit den Keilflächen der Stellkeile (51) in Berührung stehen, daß zwischen einer zweiten Grubenwand (59) und der Messerträgerschiene (41) eine Druckfeder (57) eingespannt ist.Execution according to claim 1, characterized in that a number of adjusting wedges (51) is displaceably arranged in a longitudinal groove (48) in a first pit wall (47), that counter wedge pieces (53) are provided on a knife carrier rail (41), the wedge surfaces of which the wedge surfaces of the adjusting wedges (51) are in contact that a compression spring (57) is clamped between a second pit wall (59) and the knife carrier rail (41). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß in Schneidzylinder-Längsachsenrichtung verschiebbare Keile (24, 26) vorgesehen sind, daß eine radial verschiebbare Keilträgerstange (28) mit einer Mehrzahl von Gegenkeilstücken (29) vorgesehen ist, daß die Keilflächen von Keilen (26) und Gegenkeilstücken (29) in Berührung stehen, daß zwischen einem Teil (34) des Messerzylinders (1) und der Keilträgerstange (28) eine Anzahl von Druckfedern (32) eingespannt ist, daß eine radial verschiebbare Stützschiene (38) mit der Keilträgerstange (28) formschlüssig verbunden ist, daß auf der Stützschiene (38) eine quer zur Langsachsenrichtung der Stützschiene (38) verschiebbare Messerträgerschiene (41) vorgesehen ist, daß an der Messerträgerschiene (41) das Schneid bzw. Perforiermesser (18) befestigt ist.Device according to claim 1, characterized in that wedges (24, 26) which can be displaced in the longitudinal direction of the cutting cylinder are provided, and that a radially displaceable wedge support rod (28) is provided with a plurality of counter wedge pieces (29) is that the wedge surfaces of wedges (26) and counter wedge pieces (29) are in contact, that between a part (34) of the knife cylinder (1) and the wedge support rod (28) a number of compression springs (32) is clamped that a radial Slidable support rail (38) is positively connected to the wedge support rod (28) that on the support rail (38) a knife support rail (41) which is displaceable transversely to the longitudinal axis direction of the support rail (38) is provided so that the cutting or cutting on the knife support rail (41) Perforating knife (18) is attached.
EP93102928A 1992-03-06 1993-02-25 Device for adjusting a cutting blade on a cylinder of a folding machine Expired - Lifetime EP0559077B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4207209 1992-03-06
DE4207209A DE4207209A1 (en) 1992-03-06 1992-03-06 DEVICE FOR ADJUSTING A KNIFE ON A CYLINDER OF A FOLDING APPARATUS

Publications (2)

Publication Number Publication Date
EP0559077A1 true EP0559077A1 (en) 1993-09-08
EP0559077B1 EP0559077B1 (en) 1996-12-04

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US (1) US5367936A (en)
EP (1) EP0559077B1 (en)
JP (1) JP2553294B2 (en)
DE (2) DE4207209A1 (en)
RU (1) RU2109639C1 (en)

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DE4244787C2 (en) * 1992-12-18 2000-01-27 Koenig & Bauer Ag Device for moving cutting knife bars on a cutting cylinder of a rotary printing press
DE4244787A1 (en) * 1992-12-18 1995-02-23 Frankenthal Ag Albert Device for adjusting a cutting-knife strip for a cutting cylinder of a rotary printing machine
WO1996024471A2 (en) * 1995-02-08 1996-08-15 Windmöller & Hölscher Variable diameter cutter roller or glue spreading roller
WO1996024471A3 (en) * 1995-02-08 1996-10-24 Windmoeller & Hoelscher Variable diameter cutter roller or glue spreading roller
US6105479A (en) * 1995-02-08 2000-08-22 Windmoller & Holscher Variable diameter cutter roller or glue spreading roller
US6553883B1 (en) 1999-02-25 2003-04-29 Fosber, S.P.A. Apparatus for the transverse cutting of weblike material
EP1031401A1 (en) * 1999-02-25 2000-08-30 FOSBER S.p.A. Apparatus for the transverse cutting of weblike material
US6722243B2 (en) 1999-02-25 2004-04-20 Fosber S.P.A. Apparatus for the transverse cutting of weblike material
WO2001078953A2 (en) * 2000-04-15 2001-10-25 Koenig & Bauer Aktiengesellschaft Device for the transverse cutting of at least one web in a folding apparatus
WO2001078953A3 (en) * 2000-04-15 2002-04-04 Koenig & Bauer Ag Device for the transverse cutting of at least one web in a folding apparatus
DE10018772C2 (en) * 2000-04-15 2002-03-28 Koenig & Bauer Ag Device for cross-cutting at least one web in a folder of a rotary printing press
DE10018772A1 (en) * 2000-04-15 2001-12-06 Koenig & Bauer Ag Device for cross-cutting at least one web in a folder of a rotary printing press
US7036413B2 (en) 2000-04-15 2006-05-02 Koenig & Bauer Aktiengesellschaft Device for the transverse cutting of at least one web in a folding apparatus
WO2023030749A1 (en) * 2021-08-31 2023-03-09 Bw Papersystems Hamburg Gmbh Blade shaft

Also Published As

Publication number Publication date
DE59304638D1 (en) 1997-01-16
US5367936A (en) 1994-11-29
JPH0640655A (en) 1994-02-15
EP0559077B1 (en) 1996-12-04
RU2109639C1 (en) 1998-04-27
DE4207209A1 (en) 1993-09-09
JP2553294B2 (en) 1996-11-13

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