EP1260474B1 - Drive for a cylinder of a rotary printing machine - Google Patents

Drive for a cylinder of a rotary printing machine Download PDF

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Publication number
EP1260474B1
EP1260474B1 EP02010804A EP02010804A EP1260474B1 EP 1260474 B1 EP1260474 B1 EP 1260474B1 EP 02010804 A EP02010804 A EP 02010804A EP 02010804 A EP02010804 A EP 02010804A EP 1260474 B1 EP1260474 B1 EP 1260474B1
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EP
European Patent Office
Prior art keywords
cylinder
folding
segment
segments
printing machine
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.)
Expired - Lifetime
Application number
EP02010804A
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German (de)
French (fr)
Other versions
EP1260474A1 (en
Inventor
Andreas Stieler
Nils-Hendric Schall
Karsten Stansch
Ulrich Seyffert
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Manroland AG
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Manroland AG
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Publication date
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Publication of EP1260474A1 publication Critical patent/EP1260474A1/en
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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
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • 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
    • B41F13/62—Folding-cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70—Driving devices associated with particular installations or situations
    • B41P2213/73—Driving devices for multicolour presses
    • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/41—Details of cross section profile
    • B65H2404/412—Details of cross section profile made of circular segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/41—Details of cross section profile
    • B65H2404/412—Details of cross section profile made of circular segments
    • B65H2404/4121—Details of cross section profile made of circular segments moving relatively to each other during rotation

Definitions

  • the invention relates to a rotary printing press with a drive for a cylinder which has independently rotatable, drivable cylinder segments.
  • the DE 44 26 987 A1 shows a drive of folding cylinders of a folder of a rotary printing press, wherein in detail a knife cylinder, a NOTEur folding blade, a jaw cylinder and a gripper cylinder via spur gears are in driving connection and are mechanically driven in series.
  • the NOTEur folding blade cylinder and the jaw cylinder are each designed as a so-called two-piece cylinder, ie, they consist of nested, mutually rotatable cylinder segments.
  • the cylinder segments carry systems, such as folding blades or jaws, which are adjustable in an adjustment of the folder in their circumferential distance to adjacent systems. In this way, for example, the prefold adjustable or a format adjustment executable.
  • the adjustment of the cylinder segments by means of planetary gears.
  • the drive contains except the cylinder gears of the cylinder no further gear, whereby the backlash minimized.
  • Correspondingly accurate operations can be performed with the cylinder, for example, with a folding cylinder exactly folds be performed, the prefolding be set and realized accurately. Folding differences are decisively minimized by the angular position of the functional groups, which can be maintained with high accuracy.
  • the proposed drive results in a reduction of series connected, never ideal rotating masses, never ideal mechanical contact points and the associated interference. Due to the reduction of the masses connected in series, the mechanical contact points and the associated flexibility, an increase in the torsional rigidity in the individual functional groups is achieved. There is a decoupling of disturbances, for example by knife and Falzelle, in the individual functional groups. There is an increase in the Störsteiftechnik / reduction in susceptibility to interference by, for example, knife and Falzelle due to the stiffer connection of the engine with the location of the fault and thus a sharper control.
  • the lower complexity and higher stiffness of the isolated functional groups makes it possible to use periodic and adaptive compensation controllers with which an increase in the interference stiffness / reduction of the susceptibility to interference is feasible. Overall, this makes it possible to increase the accuracy of the synchronization between the functional groups and thus, for example, a significant increase in the cutting and folding accuracy when used on folding cylinders.
  • the drive makes the evaluation of motor / drive controller variables, such as motor current and control differences, possible, with which, for example, the mechanical wear of cutting and folding blades can be assessed.
  • the drive uses structurally simple elements and is thus inexpensive to produce.
  • FIG. 1 shows a folder in a stretched arrangement of its cylinders and drive wheels.
  • the folder includes a knife cylinder 1, a folding cylinder 2, a jaw cylinder 3 and a rapier folding blade cylinder 4.
  • the cylinders are mounted in side walls 5, 6.
  • the knife cylinder 1 is equipped, for example with two opposite cutting blades 7 ( Fig. 2 ).
  • a spur gear 8 is fixed, in which an electric motor 9 engages with its pinion 10.
  • the folding cylinder 2 consists of a retaining elements 11 supporting cylinder segment 12 and a folding blade 13 supporting another cylinder segment 14.
  • the cylinder segments 12, 14 are for example made in three parts, ie, they carry three offset by 120 ° holding elements 11 and folding blade 13. Die Zylindersegmente 12, 14 are rotated against each other. They are also independently drivable and therefore each with its own electric motor 9, 15 in drive connection. This is on each cylinder segment 12, 14, a spur gear 16, 17 attached.
  • the spur gear 16 of the cylinder segment 12 is in engagement with the spur gear 8 and is thus indirectly driven via the latter by the electric motor 9, which engages with its pinion 10 in the spur gear 8.
  • the electric motor 9 could engage with its pinion 10 in the spur gear 16.
  • In the spur gear 17 of the further cylinder segment 14 of the electric motor 15 engages with its pinion 18 a.
  • the folding cylinder 2 of the jaw cylinder 3 works together.
  • the latter in turn consists of two cylinder segments 19, 20, wherein the cylinder segment 19 jaws 21 and the other cylinder segment 20 jaws 22 carries.
  • the cylinder segments 19, 20 are each designed in three parts, for example, so that they each carry three jaw folding systems 21, 22.
  • the cylinder segments 19, 20 are mutually rotatable and independently drivable.
  • a spur gear 23, 24 is attached to each cylinder segment 19, 20.
  • the spur gear 23 of the cylinder segment 19 is engaged with the spur gear 17 of the further cylinder segment 14, whereby the cylinder segment 19 is indirectly in driving connection with the electric motor 15 via the spur gear 17.
  • the pinion 18 of the electric motor 15 could engage directly in the spur gear 23.
  • the spur gear 24 of the further cylinder segment 20 engages an electric motor 25 with its pinion 26 a.
  • the folding cylinder 2 is fed via unspecified draw rollers and perforating a strand 33, which may already be folded along, for example by means of a folder.
  • a strand 33 In conjunction with the folding cylinder 2 cut the cutting blade 7 of the knife cylinder 2 the strand 33 in products 34 which are received by the holding elements 11 of the folding cylinder, for example, punctures.
  • the knife cylinder 1 and the folding cylinder 2 are the knife cylinder 1 and the support members 11 supporting cylinder segment 12 via their spur gears 8, 16 in drive connection and are driven by the electric motor 9.
  • the cylinder segment 14 is synchronously driven by means of the electric motor 15, which engages with its pinion 18 in the spur gear 17 of the further cylinder segment 14.
  • the electric motors 9 and 15 as well as the electric motor 25 are asynchronous motors, which are driven in position-controlled manner via an electronic, so-called virtual guide shaft.
  • Such drives are familiar to the expert and for example in the DE 43 22 744 A1 described. Synchronous motors or other high-precision motors can also be used.
  • the product 34 located on the folding cylinder is transferred during the further rotation of the folding cylinder 2 by the folding blade 13 in a folding flap 21 of the jaw cylinder 3, wherein a transverse fold is generated.
  • the interaction of the folding blade 13 with the jaw 21 is given by the drive connection of the said elements bearing cylinder segments 14 and 19 via the spur gears 17 and 23.
  • the product is transferred to the gripper 27 of the cylinder segment 28 of the rapier folding 4. Again, the interaction of the jaw 22 and the gripper 27 on the spur gears 24 and 31 of the said elements 21, 27 bearing cylinder segments 19, 28 is ensured.
  • the product 34 located on the rapier folding blade 4 is transferred by the folding blades 29 into the jaws 22 of the jaw cylinder 3, forming a second transverse fold.
  • the interaction of said folding blade 29 and the folding flap 22 is ensured by the drive connection of the cylinder segments 30, 20 carrying them via the spur wheels 32, 24 connected thereto.
  • the drive of these cylinder segments 30, 20 is synchronous with the other cylinder segment 28, 19 of the rapier folding blade 4 and the jaw cylinder 3 by means of the electric motor 25.
  • the now twice transverse folded product 34 is finally removed from the jaw cylinder 3.
  • the folding blade 13 relative to the support members 11 is to be rotated. This is done by a temporary forward or lagging operation of the electric motor 15 relative to the electric motor 9, whereby the angular position of the electric motor 15 is changed to the electric motor 9. Accordingly, the cylinder segment 14 is rotated with its folding blades 13 relative to the cylinder segment 12 with the holding elements 11.
  • the position of the second transverse fold produced by the folding blade 29 is also variable with respect to the first transverse fold.
  • the electric motor 25 is temporarily operated in a forward or backward manner, depending on whether the second transverse fold is to be generated closer to the first transverse fold or further away from it. It is so the angular position of the folding blade 29 supporting cylinder segment 30 relative to the driven by the electric motor 15, the jaw 21 bearing cylinder segment 19 changed.
  • the angular positions to be set on the electric motors 15 and 25 for the desired positioning of the cylinder segment 14 with the folding blade 13 or the cylinder segment 30 with the folding blade 29 as well as positions of the electric motor 9 are stored in a computing and storage unit 35. This is connected to the input of the motor control of the electric motors 9, 15, 25 in connection. For an adjustment of said elements, the desired angular positions of the computing and storage unit 35 are retrieved and the motor control of the electric motors 9, 15, 25 specified. Instead, it is also possible to manually enter the desired adjustments on the control station of the printing press.
  • Such stops are also present on the jaw cylinder 3 and the rapier folding blade 4 in order to limit the mutual rotatability of the cylinder segments 19, 20 and 28, 30.
  • limit switches 38, 39 can be used instead of or in conjunction with the mechanical stops 36, 37 and hardware limit switches, such as limit switches 38, 39.
  • limit switches 38, 39 are in Fig. 3 in brackets with given.
  • the position control of the electric motors 9, 15, 25 contains limit setpoints for their mutual angular offset, which limits the mutual rotatability of the cylinder segments 12, 14, 19, 20, 28, 30.
  • the jaw cylinder 3 consists of two cylinder segments 19, 20.
  • the gripper folding blade 4 can be omitted if only one transverse fold is to be generated.
  • the subdivision of the jaw cylinder 3 in cylinder segments can be omitted and this cylinder consist of only one body, which then also the electric motor 25 is unnecessary.

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

Description

Die Erfindung betrifft eine Rotationsdruckmaschine mit einem Antrieb für einen Zylinder, der unabhängig voneinander verdrehbare, antreibbare Zylindersegmente aufweist.The invention relates to a rotary printing press with a drive for a cylinder which has independently rotatable, drivable cylinder segments.

Die DE 44 26 987 A1 zeigt einen Antrieb von Falzzylindern eines Falzapparates einer Rotationsdruckmaschine, wobei im einzelnen ein Messerzylinder, ein Punktur-Falzmesserzylinder, ein Falzklappenzylinder und ein Greiferzylinder über Stirnräder in Antriebsverbindung stehen und in Reihe mechanisch angetrieben werden. Der Punktur-Falzmesserzylinder und der Falzklappenzylinder sind jeweils als sogenannter zweiteiliger Zylinder ausgeführt, d. h., sie bestehen aus ineinander geschachtelten, gegeneinander verdrehbaren Zylindersegmenten. Die Zylindersegmente tragen Systeme, beispielsweise Falzmesser oder Falzklappen, die bei einer Verstellung des Falzapparates in ihrem Umfangsabstand zu benachbarten Systemen verstellbar sind. Auf diese Weise ist beispielsweise der Vorfalz verstellbar oder eine Formatverstellung ausführbar. Die Verstellung der Zylindersegmente erfolgt mittels Planetengetrieben.The DE 44 26 987 A1 shows a drive of folding cylinders of a folder of a rotary printing press, wherein in detail a knife cylinder, a Punktur folding blade, a jaw cylinder and a gripper cylinder via spur gears are in driving connection and are mechanically driven in series. The Punktur folding blade cylinder and the jaw cylinder are each designed as a so-called two-piece cylinder, ie, they consist of nested, mutually rotatable cylinder segments. The cylinder segments carry systems, such as folding blades or jaws, which are adjustable in an adjustment of the folder in their circumferential distance to adjacent systems. In this way, for example, the prefold adjustable or a format adjustment executable. The adjustment of the cylinder segments by means of planetary gears.

Bei diesem Falzapparat ist der Getriebeaufwand hoch. Außerdem summieren sich in dem Antrieb Verdrehflankenspiele.In this folder, the transmission effort is high. In addition, torsional backlashes accumulate in the drive.

Es ist Aufgabe der Erfindung, einen mechanisch einfachen Antrieb für Zylinder mit gegeneinander verdrehbaren Segmenten zu schaffen.It is an object of the invention to provide a mechanically simple drive for cylinders with mutually rotatable segments.

Die Aufgabe wird erfindungsgemäß mit den kennzeichnenden Merkmalen der unabhängigen Ansprüche gelöst. Der Antrieb enthält außer den Zylinderrädern des Zylinders keine weiteren Getriebe, wodurch Verdrehflankenspiele minimiert werden. Entsprechend genau können mit dem Zylinder Arbeitsvorgänge ausgeführt werden, beispielsweise mit einem Falzzylinder Falzungen genau ausgeführt werden, der Vorfalz genau eingestellt und realisiert werden. Falzdifferenzen werden durch die mit hoher Genauigkeit einhaltbare Winkellage der Funktionsgruppen zueinander entscheidend minimiert.The object is achieved with the characterizing features of the independent claims. The drive contains except the cylinder gears of the cylinder no further gear, whereby the backlash minimized. Correspondingly accurate operations can be performed with the cylinder, for example, with a folding cylinder exactly folds be performed, the prefolding be set and realized accurately. Folding differences are decisively minimized by the angular position of the functional groups, which can be maintained with high accuracy.

Mit dem Einsatz einer elektronischen, virtuellen Leitwelle für die Elektromotoren zur Lage- und Drehzahlvorgabe wird die Genauigkeit des Gleichlaufs zwischen den Funktionsgruppen und somit die Arbeitsgenauigkeit stationär und dynamisch deutlich erhöht. Durch eine elektronische Vorgabe eines Winkelversatzes zwischen den Funktionsgruppen sind Verstellungen flexibel, schnell und hochgenau einstellbar.With the use of an electronic, virtual guide shaft for the electric motors for position and speed specification, the accuracy of the synchronization between the function groups and thus the working accuracy is significantly increased stationary and dynamic. By electronically setting an angular offset between the function groups, adjustments are flexible, can be set quickly and with high precision.

Der vorgeschlagene Antrieb bedingt eine Reduzierung der in Reihe geschalteten, niemals ideal rundlaufenden Massen, der niemals idealen mechanischen Kontaktstellen und der damit verbundenen Störungen. Aufgrund der Reduzierung der in Reihe geschalteten Massen, der mechanischen Kontaktstellen und der damit verbundenen Nachgiebigkeiten wird eine Erhöhung der Drehsteifigkeit in den einzelnen Funktionsgruppen erzielt. Es erfolgt eine Entkopplung von Störungen, beispielsweise durch Messer- und Falzschläge, in den einzelnen Funktionsgruppen. Es erfolgt eine Erhöhung der Störsteifigkeit/Reduktion der Störempfindlichkeit gegenüber Störungen durch beispielsweise Messer- und Falzschläge aufgrund der steiferen Verbindung des Motors mit dem Ort der Störung und damit eine schärfere Regelung. Die geringere Komplexität und höhere Steifigkeit der vereinzelten Funktionsgruppen macht den Einsatz von periodischen und adaptiven Kompensationsreglern möglich, mit denen eine Erhöhung der Störsteifigkeit/Reduktion der Störempfindlichkeit gegenüber Störungen machbar ist. Insgesamt ist damit eine Erhöhung der Genauigkeit des Gleichlaufs zwischen den Funktionsgruppen und damit beispielsweise eine deutliche Erhöhung der Schnitt- und Falzgenauigkeit bei der Anwendung auf Falzzylinder möglich.The proposed drive results in a reduction of series connected, never ideal rotating masses, never ideal mechanical contact points and the associated interference. Due to the reduction of the masses connected in series, the mechanical contact points and the associated flexibility, an increase in the torsional rigidity in the individual functional groups is achieved. There is a decoupling of disturbances, for example by knife and Falzschläge, in the individual functional groups. There is an increase in the Störsteifigkeit / reduction in susceptibility to interference by, for example, knife and Falzschläge due to the stiffer connection of the engine with the location of the fault and thus a sharper control. The lower complexity and higher stiffness of the isolated functional groups makes it possible to use periodic and adaptive compensation controllers with which an increase in the interference stiffness / reduction of the susceptibility to interference is feasible. Overall, this makes it possible to increase the accuracy of the synchronization between the functional groups and thus, for example, a significant increase in the cutting and folding accuracy when used on folding cylinders.

Der Antrieb macht die Bewertung von Motor-/Antriebsreglergrößen, wie Motorstrom und Regeldifferenzen, möglich, womit beispielsweise der mechanische Verschleiß von Schneid- und Falzmessern beurteilbar ist.The drive makes the evaluation of motor / drive controller variables, such as motor current and control differences, possible, with which, for example, the mechanical wear of cutting and folding blades can be assessed.

Mittels mechanischen Endanschlägen, Hardwareendlageschaltern oder Softwareendlageschaltern ist auf einfache Weise eine Sicherung gegen Antriebsstörungen möglich.By means of mechanical limit stops, hardware limit switches or software limit switches, it is possible to easily protect against drive faults.

Der Antrieb bedient sich konstruktiv einfacher Elemente und ist somit kostengünstig erstellbar.The drive uses structurally simple elements and is thus inexpensive to produce.

Weitere Merkmale und Vorteile ergeben sich aus den Unteransprüchen in Verbindung mit der Beschreibung.Other features and advantages will become apparent from the dependent claims in conjunction with the description.

Die Erfindung soll nachfolgend an einem Ausführungsbeispiel näher erläutert werden. In den zugehörigen Zeichnungen zeigt schematisch:

Fig. 1:
den Antrieb eines Falzapparates in der Draufsicht
Fig. 2:
den Falzapparat gemäß Figur 1 in der Seitenansicht
Fig. 3:
die Ansicht III nach Figur 1.
The invention will be explained in more detail below using an exemplary embodiment. In the accompanying drawings shows schematically:
Fig. 1:
the drive of a folder in plan view
Fig. 2:
the folder according to FIG. 1 in the side view
3:
the view III after FIG. 1 ,

Figur 1 zeigt einen Falzapparat in gestreckter Anordnung seiner Zylinder und Antriebsräder. Im einzelnen enthält der Falzapparat einen Messerzylinder 1, einen Falzzylinder 2, einen Falzklappenzylinder 3 und einen Greifer-Falzmesserzylinder 4. Die Zylinder sind in Seitenwänden 5, 6 gelagert. Der Messerzylinder 1 ist beispielsweise mit zwei einander gegenüberliegenden Schneidmessern 7 bestückt (Fig. 2). Auf einem Zapfen des Messerzylinders 1 ist ein Stirnrad 8 befestigt, in das ein Elektromotor 9 mit seinem Ritzel 10 eingreift. FIG. 1 shows a folder in a stretched arrangement of its cylinders and drive wheels. In detail, the folder includes a knife cylinder 1, a folding cylinder 2, a jaw cylinder 3 and a rapier folding blade cylinder 4. The cylinders are mounted in side walls 5, 6. The knife cylinder 1 is equipped, for example with two opposite cutting blades 7 ( Fig. 2 ). On a pin of the knife cylinder 1, a spur gear 8 is fixed, in which an electric motor 9 engages with its pinion 10.

Der Falzzylinder 2 besteht aus einem Halteelemente 11 tragenden Zylindersegment 12 sowie einem Falzmesser 13 tragenden weiteren Zylindersegment 14. Die Zylindersegmente 12, 14 sind beispielsweise dreiteilig ausgeführt, d. h., sie tragen drei um 120° versetzte Halteelemente 11 bzw. Falzmesser 13. Die Zylindersegmente 12, 14 sind gegeneinander verdrehbar. Sie sind außerdem unabhängig voneinander antreibbar und stehen deshalb mit jeweils einem eigenen Elektromotor 9, 15 in Antriebsverbindung. Hierzu ist an jedem Zylindersegment 12, 14 ein Stirnrad 16, 17 befestigt. Das Stirnrad 16 des Zylindersegments 12 steht mit dem Stirnrad 8 in Eingriff und wird somit über letzteres indirekt vom Elektromotor 9 angetrieben, der mit seinem Ritzel 10 in das Stirnrad 8 eingreift. Ebenso könnte der Elektromotor 9 mit seinem Ritzel 10 in das Stirnrad 16 eingreifen. In das Stirnrad 17 des weiteren Zylindersegments 14 greift der Elektromotor 15 mit seinen Ritzel 18 ein.The folding cylinder 2 consists of a retaining elements 11 supporting cylinder segment 12 and a folding blade 13 supporting another cylinder segment 14. The cylinder segments 12, 14 are for example made in three parts, ie, they carry three offset by 120 ° holding elements 11 and folding blade 13. Die Zylindersegmente 12, 14 are rotated against each other. They are also independently drivable and therefore each with its own electric motor 9, 15 in drive connection. This is on each cylinder segment 12, 14, a spur gear 16, 17 attached. The spur gear 16 of the cylinder segment 12 is in engagement with the spur gear 8 and is thus indirectly driven via the latter by the electric motor 9, which engages with its pinion 10 in the spur gear 8. Likewise, the electric motor 9 could engage with its pinion 10 in the spur gear 16. In the spur gear 17 of the further cylinder segment 14 of the electric motor 15 engages with its pinion 18 a.

Mit dem Falzzylinder 2 arbeitet der Falzklappenzylinder 3 zusammen. Letzterer besteht wiederum aus zwei Zylindersegmenten 19, 20, wobei das Zylindersegment 19 Falzklappen 21 und das weitere Zylindersegment 20 Falzklappen 22 trägt. Die Zylindersegmente 19, 20 sind beispielsweise jeweils dreiteilig ausgeführt, so dass sie jeweils drei Falzklappensysteme 21, 22 tragen. Die Zylindersegmente 19, 20 sind gegeneinander verdrehbar und unabhängig voneinander antreibbar. Hierzu ist an jedem Zylindersegment 19, 20 ein Stirnrad 23, 24 befestigt. Das Stirnrad 23 des Zylindersegments 19 steht mit dem Stirnrad 17 des weiteren Zylindersegments 14 in Eingriff, wodurch das Zylindersegment 19 indirekt über das Stirnrad 17 mit dem Elektromotor 15 in Antriebsverbindung steht.
Ebenso könnte das Ritzel 18 des Elektromotors 15 direkt in das Stirnrad 23 eingreifen. In das Stirnrad 24 des weiteren Zylindersegments 20 greift ein Elektromotor 25 mit seinem Ritzel 26 ein.With the folding cylinder 2 of the jaw cylinder 3 works together. The latter in turn consists of two cylinder segments 19, 20, wherein the cylinder segment 19 jaws 21 and the other cylinder segment 20 jaws 22 carries. The cylinder segments 19, 20 are each designed in three parts, for example, so that they each carry three jaw folding systems 21, 22. The cylinder segments 19, 20 are mutually rotatable and independently drivable. For this purpose, a spur gear 23, 24 is attached to each cylinder segment 19, 20. The spur gear 23 of the cylinder segment 19 is engaged with the spur gear 17 of the further cylinder segment 14, whereby the cylinder segment 19 is indirectly in driving connection with the electric motor 15 via the spur gear 17.
Likewise, the pinion 18 of the electric motor 15 could engage directly in the spur gear 23. In the spur gear 24 of the further cylinder segment 20 engages an electric motor 25 with its pinion 26 a.

Mit dem Falzklappenzylinder 3 arbeitet der Greifer-Falzmesserzylinder 4 zusammen. Dieser enthält ein Greifer 27 tragendes Zylindersegment 28 und ein Falzmesser 29 tragendes weiteres Zylindersegment 30. An beiden Zylindersegmenten 28, 30 ist jeweils ein Stirnrad 31, 32 befestigt. Das Stirnrad 31 des Zylindersegments 28 kämmt mit dem Stirnrad 23 des weiteren Zylindersegments 20 des Falzklappenzylinders 3, während das Stirnrad 32 des weiteren Zylindersegments 30 mit dem Stirnrad 24 des weiteren Zylindersegments 20 in Eingriff steht.With the jaw cylinder 3 of the rapier folding blade cylinder 4 works together. This contains a gripper 27 bearing cylinder segment 28 and a folding blade 29 supporting another cylinder segment 30. At both cylinder segments 28, 30, a respective spur gear 31, 32 is fixed. The spur gear 31 of the cylinder segment 28 meshes with the spur gear 23 of the further cylinder segment 20 of the jaw cylinder 3, while the spur gear 32 of the further cylinder segment 30 is in engagement with the spur gear 24 of the further cylinder segment 20.

Dem Falzzylinder 2 wird über nicht näher beschriebene Zugwalzen und Perforiereinrichtungen ein Strang 33 zugeführt, der beispielsweise mittels eines Falztrichters bereits längsgefalzt sein kann. Im Zusammenspiel mit dem Falzzylinder 2 schneiden die Schneidmesser 7 des Messerzylinders 2 den Strang 33 in Produkte 34, die von den Halteelementen 11 des Falzzylinders, beispielsweise Punkturen, aufgenommen werden. Bei diesem Zusammenspiel des Messerzylinders 1 und des Falzzylinders 2 stehen der Messerzylinder 1 und das die Halteelemente 11 tragende Zylindersegment 12 über ihre Stirnräder 8, 16 in Antriebsverbindung und werden vom Elektromotor 9 angetrieben. Zu dem Zylindersegment 12 wird synchron das Zylindersegment 14 mittels des Elektromotors 15 angetrieben, der mit seinem Ritzel 18 in das Stirnrad 17 des weiteren Zylindersegments 14 eingreift. Die Elektromotoren 9 und 15 wie auch der Elektromotor 25 sind Asynchronmotoren, die über eine elektronische, sogenannte virtuelle Leitwelle lagegeregelt angetrieben werden. Derartige Antriebe sind dem Fachmann geläufig und beispielsweise in der DE 43 22 744 A1 beschrieben. Es können auch Synchronmotoren oder sonstige hochgenaue Motoren eingesetzt werden.The folding cylinder 2 is fed via unspecified draw rollers and perforating a strand 33, which may already be folded along, for example by means of a folder. In conjunction with the folding cylinder 2 cut the cutting blade 7 of the knife cylinder 2 the strand 33 in products 34 which are received by the holding elements 11 of the folding cylinder, for example, punctures. In this interaction of the knife cylinder 1 and the folding cylinder 2 are the knife cylinder 1 and the support members 11 supporting cylinder segment 12 via their spur gears 8, 16 in drive connection and are driven by the electric motor 9. To the cylinder segment 12, the cylinder segment 14 is synchronously driven by means of the electric motor 15, which engages with its pinion 18 in the spur gear 17 of the further cylinder segment 14. The electric motors 9 and 15 as well as the electric motor 25 are asynchronous motors, which are driven in position-controlled manner via an electronic, so-called virtual guide shaft. Such drives are familiar to the expert and for example in the DE 43 22 744 A1 described. Synchronous motors or other high-precision motors can also be used.

Das auf dem Falzzylinder befindliche Produkt 34 wird bei der Weiterdrehung des Falzzylinders 2 vom Falzmesser 13 in eine Falzklappe 21 des Falzklappenzylinders 3 übergeben, wobei ein Querfalz erzeugt wird. Das Zusammenspiel des Falzmessers 13 mit der Falzklappe 21 ist dabei durch die Antriebsverbindung der die genannten Elemente tragenden Zylindersegmente 14 und 19 über deren Stirnräder 17 und 23 gegeben. Aus der Falzklappe 21 wird das Produkt an die Greifer 27 des Zylindersegments 28 des Greifer-Falzmesserzylinders 4 übergeben. Auch hier wird das Zusammenspiel der Falzklappe 22 und des Greifers 27 über die Stirnräder 24 und 31 der die genannten Elemente 21, 27 tragenden Zylindersegmente 19, 28 gewährleistet.The product 34 located on the folding cylinder is transferred during the further rotation of the folding cylinder 2 by the folding blade 13 in a folding flap 21 of the jaw cylinder 3, wherein a transverse fold is generated. The interaction of the folding blade 13 with the jaw 21 is given by the drive connection of the said elements bearing cylinder segments 14 and 19 via the spur gears 17 and 23. From the jaw 21, the product is transferred to the gripper 27 of the cylinder segment 28 of the rapier folding 4. Again, the interaction of the jaw 22 and the gripper 27 on the spur gears 24 and 31 of the said elements 21, 27 bearing cylinder segments 19, 28 is ensured.

Das auf dem Greifer-Falzmesserzylinder 4 befindliche Produkt 34 wird unter Bildung eines zweiten Querfalzes von den Falzmessern 29 in die Falzklappen 22 des Falzklappenzylinders 3 übergeben. Das Zusammenspiel des genannten Falzmessers 29 und der Falzklappe 22 wird durch die Antriebsverbindung der sie tragenden Zylindersegmente 30, 20 über die mit diesen verbundenen Stirnräder 32, 24 gewährleistet. Der Antrieb dieser Zylindersegmente 30, 20 erfolgt synchron zu den anderen Zylindersegment 28, 19 des Greifer-Falzmesserzylinders 4 bzw. des Falzklappenzylinders 3 mittels des Elektromotors 25. Das nunmehr zweimal quergefalzte Produkt 34 wird schließlich vom Falzklappenzylinder 3 abgeführt. Die Erstellung eines Produkts 34 mit den vorliegenden Zylindern 1 bis 4 ist, von deren Antrieb abgesehen, an sich dem Fachmann geläufig und braucht deshalb nicht näher beschrieben zu werden. Nähere Erklärungen sind beispielsweise in der eingangs bereits genannten DE 44 26 987 A1 gegeben.The product 34 located on the rapier folding blade 4 is transferred by the folding blades 29 into the jaws 22 of the jaw cylinder 3, forming a second transverse fold. The interaction of said folding blade 29 and the folding flap 22 is ensured by the drive connection of the cylinder segments 30, 20 carrying them via the spur wheels 32, 24 connected thereto. The drive of these cylinder segments 30, 20 is synchronous with the other cylinder segment 28, 19 of the rapier folding blade 4 and the jaw cylinder 3 by means of the electric motor 25. The now twice transverse folded product 34 is finally removed from the jaw cylinder 3. The Creation of a product 34 with the present cylinders 1 to 4, apart from their drive, known per se to those skilled in the art and therefore need not be described in detail. Further explanations are, for example, in the already mentioned DE 44 26 987 A1 given.

Für Verstellungen des Falzapparates, beispielsweise für eine Vorfalzverstellung, ist das Falzmesser 13 gegenüber den Halteelementen 11 zu verdrehen. Dies erfolgt durch einen vorübergehenden vor- bzw. nacheilenden Betrieb des Elektromotors 15 gegenüber dem Elektromotor 9, wodurch die Winkellage des Elektromotors 15 zum Elektromotor 9 verändert wird. Entsprechend wird das Zylindersegment 14 mit seinen Falzmessern 13 gegenüber dem Zylindersegment 12 mit den Halteelementen 11 verdreht.For adjustments of the folder, for example, for a Vorfalzverstellung, the folding blade 13 relative to the support members 11 is to be rotated. This is done by a temporary forward or lagging operation of the electric motor 15 relative to the electric motor 9, whereby the angular position of the electric motor 15 is changed to the electric motor 9. Accordingly, the cylinder segment 14 is rotated with its folding blades 13 relative to the cylinder segment 12 with the holding elements 11.

Nach dem gleichen Prinzip ist auch die Lage des von dem Falzmesser 29 erzeugten zweiten Querfalzes gegenüber dem ersten Querfalz veränderbar. Es wird vorübergehend der Elektromotor 25 vor- oder nacheilend betrieben, je nachdem ob der zweite Querfalz näher am ersten Querfalz oder weiter von diesem weg erzeugt werden soll. Es wird so die Winkellage des das Falzmesser 29 tragenden Zylindersegments 30 gegenüber dem vom Elektromotor 15 angetriebenen, die Falzklappe 21 tragenden Zylindersegments 19 verändert.According to the same principle, the position of the second transverse fold produced by the folding blade 29 is also variable with respect to the first transverse fold. The electric motor 25 is temporarily operated in a forward or backward manner, depending on whether the second transverse fold is to be generated closer to the first transverse fold or further away from it. It is so the angular position of the folding blade 29 supporting cylinder segment 30 relative to the driven by the electric motor 15, the jaw 21 bearing cylinder segment 19 changed.

Die an den Elektromotoren 15 und 25 einzustellenden Winkellagen für die gewünschte Positionierung des Zylindersegments 14 mit dem Falzmesser 13 bzw. des Zylindersegments 30 mit dem Falzmesser 29 sowie auch Positionen des Elektromotors 9 sind in einer Rechen- und Speichereinheit 35 eingespeichert. Dieses steht mit dem Eingang der Motorregelung der Elektromotoren 9, 15, 25 in Verbindung. Für eine Verstellung der genannten Elemente werden die gewünschten Winkellagen von der Rechen- und Speichereinheit 35 abgerufen und der Motorregelung der Elektromotoren 9, 15, 25 vorgegeben. Statt dessen ist es auch möglich, die gewünschten Verstellungen am Leitstand der Druckmaschine manuell einzugeben.The angular positions to be set on the electric motors 15 and 25 for the desired positioning of the cylinder segment 14 with the folding blade 13 or the cylinder segment 30 with the folding blade 29 as well as positions of the electric motor 9 are stored in a computing and storage unit 35. This is connected to the input of the motor control of the electric motors 9, 15, 25 in connection. For an adjustment of said elements, the desired angular positions of the computing and storage unit 35 are retrieved and the motor control of the electric motors 9, 15, 25 specified. Instead, it is also possible to manually enter the desired adjustments on the control station of the printing press.

An dem Zylindersegment 12 sind zwei Anschläge 36, 37 angebracht, die die gegenseitige Verdrehbarkeit der Zylindersegmente 12 und 14 begrenzen.On the cylinder segment 12 two stops 36, 37 are mounted, which limit the mutual rotatability of the cylinder segments 12 and 14.

Derartige Anschläge sind auch an dem Falzklappenzylinder 3 und dem Greifer-Falzmesserzylinder 4 vorhanden, um die gegenseitige Verdrehbarkeit der Zylindersegmente 19, 20 bzw. 28, 30 zu begrenzen. Statt oder in Verbindung mit den mechanischen Anschlägen 36, 37 können auch Hardwareendlagenschalter, beispielsweise Endschalter 38, 39, eingesetzt werden. Derartige Endschalter 38, 39 sind in Fig. 3 in Klammern gesetzt mit angegeben. Als weitere Sicherungsmöglichkeit enthält die Lageregelung der Elektromotoren 9, 15, 25 Grenzsollwerte für deren gegenseitige Winkelversatz, womit eine Begrenzung der gegenseitigen Verdrehbarkeit der Zylindersegmente 12, 14, 19, 20, 28, 30 gegeben ist.Such stops are also present on the jaw cylinder 3 and the rapier folding blade 4 in order to limit the mutual rotatability of the cylinder segments 19, 20 and 28, 30. Instead of or in conjunction with the mechanical stops 36, 37 and hardware limit switches, such as limit switches 38, 39, can be used. Such limit switches 38, 39 are in Fig. 3 in brackets with given. As a further security option, the position control of the electric motors 9, 15, 25 contains limit setpoints for their mutual angular offset, which limits the mutual rotatability of the cylinder segments 12, 14, 19, 20, 28, 30.

Im Ausführungsbeispiel besteht der Falzklappenzylinder 3 aus zwei Zylindersegmenten 19, 20. Bei Falzapparaten kann auch der Greifer-Falzmesserzylinder 4 entfallen, wenn nur ein Querfalz erzeugt werden soll. In diesem Fall kann die Unterteilung des Falzklappenzylinders 3 in Zylindersegmente entfallen und dieser Zylinder nur aus einem Körper bestehen, wobei sich dann auch der Elektromotor 25 erübrigt.In the exemplary embodiment, the jaw cylinder 3 consists of two cylinder segments 19, 20. In folders, the gripper folding blade 4 can be omitted if only one transverse fold is to be generated. In this case, the subdivision of the jaw cylinder 3 in cylinder segments can be omitted and this cylinder consist of only one body, which then also the electric motor 25 is unnecessary.

Bezugszeichenreference numeral

11
Messerzylinderdiameter cylinder
22
Falzzylinderfolding cylinder
33
Falzklappenzylinderjaw cylinder
44
Greifer-FalzmesserzylinderGripper folding blade
55
SeitenwandSide wall
66
SeitenwandSide wall
77
Schneidmessercutting blade
88th
Stirnradspur gear
99
Elektromotorelectric motor
1010
Ritzelpinion
1111
Halteelementretaining element
1212
Zylindersegmentcylinder segment
1313
Zylindersegmentcylinder segment
1414
Falzmesser weiteresFolding knife further
1515
Elektromotorelectric motor
1616
Stirnradspur gear
1717
Stirnradspur gear
1818
Ritzelpinion
1919
Zylindersegmentcylinder segment
2020
weiteres Zylindersegmentanother cylinder segment
2121
Falzklappejaw
2222
Falzklappejaw
2323
Stirnradspur gear
2424
Stirnradspur gear
2525
Elektromotorelectric motor
2626
Ritzelpinion
2727
Greifergrab
2828
Zylindersegmentcylinder segment
2929
Falzmesserfolding blade
3030
weiteres Zylindersegmentanother cylinder segment
3131
Stirnradspur gear
3232
Stirnradspur gear
3333
Strangstrand
3434
Produktproduct
3535
Rechen- und SpeichereinheitComputing and storage unit
3636
Anschlagattack
3737
Anschlagattack
3838
Endschalterlimit switch
3939
Endschalterlimit switch

Claims (10)

  1. A rotary printing machine having a drive for a cylinder (2, 3, 4) that has drivable cylinder segments (12, 14, 19, 20, 28, 30) that can be rotated independently of each other, characterised in that the cylinder segments (12, 14, 19, 20, 28, 30) have a drive connection with a respective electric motor (9, 15, 25) and can be driven independently of each other.
  2. A rotary printing machine according to claim 1, characterised in that the cylinder (2) cooperates with a further cylinder (1), wherein a cylinder segment (12) of the cylinder (2) is fixedly connected to a spur wheel (16) which has a drive connection with a spur wheel (8) connected to the further cylinder (1).
  3. A rotary printing machine according to claim 1, characterised in that the cylinder (2, 3) cooperates with a further cylinder (3, 4), with the further cylinder (3, 4) having cylinder segments (19, 20, 28, 30) which can likewise be rotated independently of each other, and in that one cylinder segment (19, 28) of the further cylinder (3, 4) has a drive connection with a cylinder segment (14, 19) of the cylinder (2, 3) by way of spur wheels (23, 31, 17, 23) which are fixedly connected to the cylinder segments (19, 28, 14, 19), and in that the other cylinder segment (20, 30) of the further cylinder (3, 4) is driven by a separate electric motor (25).
  4. A rotary printing machine according to claim 1 having a drive for folding cylinders of a folding apparatus, wherein the folding cylinder (2) has a cylinder segment (12) bearing holding element (11) and a further cylinder segment (14) bearing folding blades (13), which cylinder segments can be rotatably driven independently of each other, and the further cylinder segment (14) has a drive connection with a folding-jaw cylinder (3) by way of spur wheels (17, 23) which are secured to the further cylinder segment (14) and the folding-jaw cylinder (3), characterised in that the cylinder segments (12, 14) have a drive connection with their own respective electric motor (9, 15) and can be driven independently of each other.
  5. A printing machine according to claim 4, characterised in that the folding-jaw cylinder (3) consists of two cylinder segments (19, 20) which bear respective folding jaws (21, 22) and can be rotated relatively to each other, in that coordinated with the folding-jaw cylinder (3) there is a gripper/folding-blade cylinder (4) which has a cylinder segment (28) bearing grippers (27) and a further cylinder segment (30) bearing folding blades (29), with there being secured to all the cylinder segments (19, 20, 28, 30) a respective spur wheel (23, 24, 31, 32), in that the cylinder segment (19) bearing folding jaws (21), the cylinder segment (14) of the folding cylinder bearing folding blades (13), and the cylinder segment (28) of the gripper/folding-blade cylinder (4) bearing grippers (27) have a drive connection by way of their spur wheels (17, 23, 31), and in that the further cylinder segment (20) of the folding-jaw cylinder (3) bearing folding jaws (22) and the further cylinder segment (30) of the gripper/folding-blade cylinder (4) bearing folding blades (29) have a drive connection by way of their spur wheels (24, 32) and are driven by an electric motor (25).
  6. A printing machine according to claim 4 or 5, characterised in that the folding cylinder (2) cooperates with a blade cylinder (1), with the cylinder segment (12) that bears the holding elements (11) and the blade cylinder (1) having a drive connection by way of associated spur wheels (16, 8), and in that a pinion (10) of the electric motor (9) driving the cylinder segment (12) engages into one of the spur wheels (16, 8).
  7. A printing machine according to one of the preceding claims, characterised in that in order to preset angular positions of driven cylinders (1 to 4) the motor control of the electric motors (9, 15, 25) of the cylinders (1 to 4) to be adjusted has a connection on the input side with a computing and storage unit (35) into which the angular positions that are to be set are read.
  8. A printing machine according to one of claims 1 to 7, characterised in that provided on cylinder segments (12, 14, 19, 20, 28, 30) there are stops (35, 36) that limit their mutual rotatability.
  9. A printing machine according to one of claims 1 to 8, characterised in that arranged on cylinder segments (12, 14, 19, 20, 28, 30) there are hardware limit switches (38, 39) that limit their mutual rotatability.
  10. A printing machine according to one of claims 1 to 7, characterised in that the positional control of the electric motors (9, 15, 25) contains desired limiting values for their mutual angular offset in order to limit the mutual rotatability of the cylinder segments (12, 14, 19, 20, 28, 30).
EP02010804A 2001-05-21 2002-05-15 Drive for a cylinder of a rotary printing machine Expired - Lifetime EP1260474B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10124977 2001-05-21
DE10124977A DE10124977A1 (en) 2001-05-21 2001-05-21 Drive for a cylinder of a rotary printing press

Publications (2)

Publication Number Publication Date
EP1260474A1 EP1260474A1 (en) 2002-11-27
EP1260474B1 true EP1260474B1 (en) 2009-10-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02010804A Expired - Lifetime EP1260474B1 (en) 2001-05-21 2002-05-15 Drive for a cylinder of a rotary printing machine

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US (1) US6846279B2 (en)
EP (1) EP1260474B1 (en)
DE (2) DE10124977A1 (en)

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Publication number Priority date Publication date Assignee Title
DE10128122A1 (en) * 2001-06-09 2002-12-12 Roland Man Druckmasch Drive for a folder
DE10206578C1 (en) * 2002-02-18 2003-09-18 Koenig & Bauer Ag Folder with a folding cylinder
DE10255235A1 (en) * 2002-11-26 2004-06-03 Man Roland Druckmaschinen Ag Drive for a cylinder of a rotary printing press
DE502004008084D1 (en) * 2003-04-23 2008-10-30 Koenig & Bauer Ag Rotary press
JP2004330660A (en) * 2003-05-08 2004-11-25 Tokyo Kikai Seisakusho Ltd Folding apparatus of rotary press
DE102005034565B4 (en) * 2005-07-23 2007-10-18 Koenig & Bauer Aktiengesellschaft folding
GB2444563B (en) * 2007-03-15 2009-04-22 M & A Thomson Litho Ltd Printing apparatus
DE102013102729A1 (en) * 2013-03-18 2014-09-18 Manroland Web Systems Gmbh Folding device of a printing press and method for operating the folding device

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Publication number Priority date Publication date Assignee Title
DE1561073B2 (en) * 1967-04-18 1971-09-02 Schnellpressenfabrik Koenig & Bauer AG, 8700 Wurzburg VARIABLE FOLDER ON THE ROLLER ROTARY PRINTING MACHINE
DE7606107U1 (en) * 1976-02-07 1977-08-04 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg SHEET FOLDING MACHINE
DE3726239A1 (en) * 1987-08-07 1989-02-16 Frankenthal Ag Albert FOLDING APPARATUS
DE4322744C2 (en) 1993-07-08 1998-08-27 Baumueller Nuernberg Gmbh Electrical drive system and positioning method for the synchronous adjustment of several rotatable and / or pivotable functional parts in devices and machines, drive arrangement with an angular position encoder and printing machine
DE4404752C2 (en) * 1994-02-15 1995-11-16 Roland Man Druckmasch Device for adjusting the jaws of a jaw cylinder
DE4426987C2 (en) * 1994-07-29 1998-10-22 Roland Man Druckmasch Folder with format changeover
WO1996029204A1 (en) * 1995-03-18 1996-09-26 Koenig & Bauer-Albert Ag Process for driving equipment, e.g. a folding device for a rotary press
DE19525169C2 (en) * 1995-03-18 2000-02-03 Koenig & Bauer Ag Method for driving a folder
DE19516445A1 (en) * 1995-05-04 1996-11-07 Wifag Maschf Rotary printing machine with a free-standing folder
DE19516443A1 (en) * 1995-05-04 1996-11-07 Wifag Maschf Individually driven folder for a rotary press
DE19625084C2 (en) * 1996-06-22 2000-12-14 Koenig & Bauer Ag cylinder
DE19724765A1 (en) * 1997-06-12 1998-12-17 Roland Man Druckmasch Drive mechanism for rotary printing-press with transfer cylinder adjustable for angle
DE10001569A1 (en) * 2000-01-15 2001-08-02 Roland Man Druckmasch Device for releasing play on gear trains of printing machines
US6752751B2 (en) * 2001-02-23 2004-06-22 Heidelberger Druckmaschinen Ag Folder with multiple-motor drive

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Publication number Publication date
US6846279B2 (en) 2005-01-25
DE10124977A1 (en) 2002-11-28
US20020177514A1 (en) 2002-11-28
EP1260474A1 (en) 2002-11-27
DE50213958D1 (en) 2009-12-10

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