EP0786338B1 - Device for applying pressure to and withdrawing pressure from a cylinder - Google Patents

Device for applying pressure to and withdrawing pressure from a cylinder Download PDF

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Publication number
EP0786338B1
EP0786338B1 EP96119590A EP96119590A EP0786338B1 EP 0786338 B1 EP0786338 B1 EP 0786338B1 EP 96119590 A EP96119590 A EP 96119590A EP 96119590 A EP96119590 A EP 96119590A EP 0786338 B1 EP0786338 B1 EP 0786338B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
crank
bearing
shaft
axis
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
EP96119590A
Other languages
German (de)
French (fr)
Other versions
EP0786338A1 (en
Inventor
Carsten Kelm
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0786338A1 publication Critical patent/EP0786338A1/en
Application granted granted Critical
Publication of EP0786338B1 publication Critical patent/EP0786338B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/32—Bearings mounted on swinging supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/28—Bearings mounted eccentrically of the cylinder axis

Definitions

  • the invention relates to a device for turning a cylinder on and off Rotary printing machine, the axis of the cylinder being arranged in a pivotable manner Bearing levers is stored.
  • Such a device is known from DE 32 32 171 A1. This shows you on End of a bearing lever eccentrically adjustable rubber cylinder Rotary printing machine, with the working cylinder attached to the side frames are provided, each of which engage the bearing levers in order to close the rubber cylinder position.
  • GB 1, 377, 016 is a further device for printing on and off a Cylinder known in a rotary printing press, in which the cylinder is pivotable arranged bearing levers is mounted, which are part of a four-bar linkage.
  • the invention is therefore based on the object of a device for synchronizing the To create pivotal movement of the axis of a cylinder.
  • the advantage of the invention is in particular that a parallelism of the axis of the pivotable cylinder, e.g. B. a rubber or blanket cylinder (Offset cylinder) in relation to the axis of an adjacent cylinder, e.g. B. a that Cylinder carrying a printed image (plate cylinder) of a rotary printing press in one narrow tolerance range (approx. 0.02mm) can be maintained.
  • a parallelism of the axis of the pivotable cylinder e.g. B. a rubber or blanket cylinder (Offset cylinder) in relation to the axis of an adjacent cylinder, e.g. B. a that Cylinder carrying a printed image (plate cylinder) of a rotary printing press in one narrow tolerance range (approx. 0.02mm)
  • the well-known, so-called "Shift duplication" when switching cylinders on and off in a rotary printing press can almost be avoided and print quality can be improved.
  • the is on both sides Side frames one bearing cylinder for each bearing lever Positioning provided.
  • a printing unit 1 of a rotary printing machine has u. a. a plate cylinder 2, one cooperating with this Rubber cylinder 3 and an impression cylinder 4.
  • the Plate cylinder 2 and the impression cylinder 4 are rotatable in Side frames 5.6 of the rotary printing machine stored.
  • the Rubber cylinder 3 is rotatably mounted on an axis 7, the again in two each outside the side frames 5,6 arranged pivotably about the axis 8 of the plate cylinder 2
  • Bearing levers 9, 11 are rotatably mounted. By this arrangement the rubber cylinder 3 remains during the printing on / off employed on the plate cylinder 2.
  • the bearing of axis 7 takes place in the bearing levers 9, 11 each by means of a adjustable eccentric bushing 12; 13.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Replacement Of Web Rolls (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transmission Devices (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The axis (7) of the cylinder to be moved has a guide at its ends (24,26) in the form of crank drive (27-29,31), so that as the axis moves in an arc and also rotated. The crank drive consists of cranks (27,28) with connecting rods (29,31) able to turn on the side mounting (5,6). The cranks and rods are at an angle to each other. The cylinder may be able to rotate on the axis, which has adjustable eccentric bushes (12,13) on the bearing levers (9,11).

Description

Die Erfindung betrifft eine Vorrichtung zum Druckan-/ und -abstellen eines Zylinders einer Rotationsdruckmaschine, wobei die Achse des Zylinders in schwenkbar angeordneten Lagerhebeln gelagert ist.The invention relates to a device for turning a cylinder on and off Rotary printing machine, the axis of the cylinder being arranged in a pivotable manner Bearing levers is stored.

Eine derartige Vorrichtung ist durch die DE 32 32 171 A1 bekannt. Diese zeigt einen am Ende eines Lagerhebels exzentrisch verstellbar gelagerten Gummizylinder einer Rotationsdruckmaschine, bei der jeweils an den Seitengestellen befestigte Arbeitszylinder vorgesehen sind, die jeweils an den Lagerhebeln angreifen, um den Gummizylinder zu positionieren.Such a device is known from DE 32 32 171 A1. This shows you on End of a bearing lever eccentrically adjustable rubber cylinder Rotary printing machine, with the working cylinder attached to the side frames are provided, each of which engage the bearing levers in order to close the rubber cylinder position.

Bei dieser bekannten Anordnung kann es, hervorgerufen durch ein Schränken des Gummizylinders zum Schaltdublieren kommen, welches auch durch beidseitig an den Lagerhebeln angreifende Arbeitszylinder, aufgrund vorhandener Gleichlaufschwankungen nicht vermieden werden kann.In this known arrangement, it can be caused by a limitation of the Rubber cylinders come for switching duplication, which can also be done on both sides of the Working cylinders attacking the bearing levers due to existing synchronism fluctuations cannot be avoided.

Durch die GB 1, 377, 016 ist eine weitere Vorrichtung zum Druckan- /und -abstellen eines Zylinders in einer Rotationsdruckmaschine bekannt, bei der der Zylinder in schwenkbar angeordneten Lagerhebeln gelagert ist, die Teil eines Viergelenkes sind.GB 1, 377, 016 is a further device for printing on and off a Cylinder known in a rotary printing press, in which the cylinder is pivotable arranged bearing levers is mounted, which are part of a four-bar linkage.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zur Synchronisation der Schwenkbewegung der Achse eines Zylinders zu schaffen.The invention is therefore based on the object of a device for synchronizing the To create pivotal movement of the axis of a cylinder.

Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.The object is achieved by the characterizing features of claim 1.

Der Vorteil der Erfindung liegt insbesondere darin, daß eine Parallelität der Achse des verschwenkbaren Zylinders, z. B. eines Gummi- oder Gummituchzylinders (Offsetzylinder) im Verhältnis zur Achse eines benachbarten Zylinders, z. B. ein das Druckbild tragenden Zylinders (Plattenzylinder) einer Rotationsdruckmaschine in einem engen Toleranzbereich (ca. 0,02mm) eingehalten werden kann. Das bekannte, sogenannte "Schaltdublieren" beim Druckan-/und -abstellen von Zylindern in einer Rotationsdruckmaschine kann so nahezu vermieden und die Druckqualität verbessert werden.The advantage of the invention is in particular that a parallelism of the axis of the pivotable cylinder, e.g. B. a rubber or blanket cylinder (Offset cylinder) in relation to the axis of an adjacent cylinder, e.g. B. a that Cylinder carrying a printed image (plate cylinder) of a rotary printing press in one narrow tolerance range (approx. 0.02mm) can be maintained. The well-known, so-called "Shift duplication" when switching cylinders on and off in a rotary printing press can almost be avoided and print quality can be improved.

Die Ausbildung der erfindungsgemäßen Achsenführungen als Kurbeltriebe ist konstruktiv einfach und somit kostengünstig herstellbar.The formation of the axis guides according to the invention as Crank drives are structurally simple and therefore inexpensive producible.

Darüberhinaus kann mittels des Kurbeltriebs eine zusätzliche Stellbewegung der Achse des zu verstellenden Zylinders aufgenommen werden, die durch eine Exzenterbuchse hervorgerufen wird, welche eine Abstellung des Gummizylinders vom Plattenzylinder bewirkt.In addition, an additional Adjustment movement of the axis of the cylinder to be adjusted are recorded by an eccentric bushing is caused, which is a shutdown of the blanket cylinder effected by the plate cylinder.

Die Anordnung der Gelenkelemente (Kurbel, Lenker) des Kurbeltriebes in einem Winkel ϕ von ca. 90° zueinander, minimiert die in den Gelenkelementen auftretenden Kräfte, wodurch diese klein dimensioniert werden können.The arrangement of the joint elements (crank, handlebar) of the Crank mechanism at an angle ϕ of approx. 90 ° to each other, minimizes the forces occurring in the joint elements, whereby these can be dimensioned small.

In vorteilhafter Ausgestaltung ist beidseitig der Seitengestelle je Lagerhebel ein Arbeitszylinder für dessen Positionierung vorgesehen.In an advantageous embodiment, the is on both sides Side frames one bearing cylinder for each bearing lever Positioning provided.

Durch die erfindungsgemäße Synchronisiervorrichtung ist es jedoch auch möglich, nur einen an einer beliebigen Seite angeordneten Arbeitszylinder vorzusehen.It is through the synchronization device according to the invention however also possible, only one on any side to provide arranged working cylinders.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden beschrieben.An embodiment of the invention is in the drawings shown and is described below.

Es zeigen:

Fig. 1
eine schematische Darstellung der erfindungsgemäßen Vorrichtung,
Fig. 2
eine Draufsicht auf den Lagerhebel für die Achse des Zylinders,
Fig. 3
eine Ansicht auf den Schnitt entlang der Linie III-III in Figur 2.
Show it:
Fig. 1
2 shows a schematic representation of the device according to the invention,
Fig. 2
a plan view of the bearing lever for the axis of the cylinder,
Fig. 3
a view of the section along the line III-III in Figure 2.

Ein Druckwerk 1 einer Rotationsdruckmaschine weist u. a. einen Plattenzylinder 2, einen mit diesem zusammenwirkenden Gummizylinder 3 und ein Druckzylinder 4 auf. Der Plattenzylinder 2 und der Druckzylinder 4 sind drehbar in Seitengestellen 5,6 der Rotationsdruckmaschine gelagert. Der Gummizylinder 3 ist drehbar auf einer Achse 7 gelagert, die wiederum in zwei jeweils außerhalb der Seitengestelle 5,6 schwenkbar um die Achse 8 des Plattenzylinders 2 angeordneten Lagerhebeln 9,11 drehbar gelagert ist. Durch diese Anordnung bleibt der Gummizylinder 3 während der Druckan-/abstellung an den Plattenzylinder 2 angestellt. Die Lagerung der Achse 7 erfolgt in den Lagerhebeln 9,11 jeweils mittels einer verstellbaren Exzenterbuchse 12;13. Durch diese Maßnahme kann der Gummizylinder 3 in einer Druckabstellung vom Druckzylinder 4 zusätzlich vom Plattenzylinder 2 abgestellt werden. Zur Verstellung der Exzenterbuchsen 12,13 sind Arbeitszylinder 14,16 vorgesehen, die an den Lagerhebeln 9,11 schwenkbar gelagert sind und jeweils mit einem Ende ihrer Kolbenstange 17;18 an einer aus zwei Hebeln 19,21 bestehenden Kniehebelgelenken 22,23 angreifen. Diese sind jeweils mit dem ersten Hebel 19 gelenkig am Lagerhebel 9;11 und mit dem zweiten Hebel 21 gelenkig an der Exzenterbuchse 12;13 angeordnet. Die Achse 7 des Gummizylinders 3 ragt mit ihren Enden 24,26 auf beiden Seiten berührungsfrei durch die Seitengestelle 5,6 und durch die Exzenterbuchsen 12,13 hindurch und trägt jeweils drehfest eine Kurbel 27;28. Die Kurbel 27;28 ist jeweils verschwenkbar mit einem Lenker 29;31 verbunden, welcher drehbar an einem gestellfesten Bolzen 32;33 gelagert ist. Ein Winkel ϕ zwischen Kurbel 27;28 und Lenker 29;31 beträgt z. B. ca. 90°. A printing unit 1 of a rotary printing machine has u. a. a plate cylinder 2, one cooperating with this Rubber cylinder 3 and an impression cylinder 4. The Plate cylinder 2 and the impression cylinder 4 are rotatable in Side frames 5.6 of the rotary printing machine stored. The Rubber cylinder 3 is rotatably mounted on an axis 7, the again in two each outside the side frames 5,6 arranged pivotably about the axis 8 of the plate cylinder 2 Bearing levers 9, 11 are rotatably mounted. By this arrangement the rubber cylinder 3 remains during the printing on / off employed on the plate cylinder 2. The bearing of axis 7 takes place in the bearing levers 9, 11 each by means of a adjustable eccentric bushing 12; 13. This measure can the blanket cylinder 3 in a print stop from Printing cylinder 4 also switched off from the plate cylinder 2 become. To adjust the eccentric bushes 12,13 Working cylinder 14.16 provided on the bearing levers 9.11 are pivotally mounted and each with one end of their Piston rod 17, 18 on one consisting of two levers 19, 21 Attack the toggle joints 22,23. These are each with the first lever 19 articulated on the bearing lever 9; 11 and with the second lever 21 articulated on the eccentric bushing 12; 13 arranged. The axis 7 of the rubber cylinder 3 projects with their Ends 24,26 on both sides without contact through the Side frames 5.6 and through the eccentric bushes 12.13 therethrough and in each case carries a crank 27; 28 in a rotationally fixed manner. The Crank 27; 28 is pivotable with a link 29; 31 connected, which is rotatable on a frame Bolt 32; 33 is mounted. An angle ϕ between Crank 27; 28 and handlebar 29; 31 is z. B. about 90 °.

Bei der Druckabstellung des Gummizylinders 3 von dem Druckzylinder 4, werden die Lagerhebel 9,11 mittels an diesen angreifenden gestellfesten Arbeitszylindern 34,36 im Ausführungsbeispiel entgegen dem Uhrzeigersinn um die Achse 8 des Plattenzylinders 2 geschwenkt. Die Führungen in Form der Kurbeltriebe 27,29;28,31 bewirken, daß an jedem Achsenende 24,26 eine synchron zur Schwenkbewegung der Lagerhebel 9,11 ablaufende Drehbewegung der Achse 7, ebenfalls entgegen dem Uhrzeigersinn, erzeugt wird. Hierdurch erfolgt die Verschwenkung der Achse 7 und damit des Gummizylinders 3 parallel zur Achse 8 bzw. zum Plattenzylinder 2.When the printing cylinder 3 is shut off Printing cylinder 4, the bearing lever 9, 11 by means of this attacking frame-fixed working cylinders 34.36 in Embodiment counterclockwise about axis 8 of the plate cylinder 2 pivoted. The guides in the form of the Crank drives 27, 29, 28, 31 cause that on everyone Axis end 24,26 a synchronized with the pivoting movement of the Bearing lever 9, 11 rotating movement of axis 7, also counterclockwise. Hereby there is the pivoting of the axis 7 and thus the Rubber cylinder 3 parallel to axis 8 or Plate cylinder 2.

In der Druckabstellung kann mittels der Exzenterbuchsen 12,13 ein Abstellen des Gummizylinders 3 vom Plattenzylinder 2 erfolgen, indem die Kolbenstangen 17,18 der Arbeitszylinder 14,16 eingefahren und die Kniehebelgelenke 22,23 ausgelenkt werden.In the print stop, the eccentric bushes 12, 13 turning off the blanket cylinder 3 from the plate cylinder 2 take place by the piston rods 17, 18 of the Working cylinder 14, 16 retracted and the Knee lever joints 22, 23 are deflected.

Zur Druckanstellung wird analog in umgekehrter Reihenfolge vorgegangen. Durch die Anordnung der erfindungsgemäßen Kurbeltriebführungen 27,29;28,31 ist es z. B. auch möglich nur einen Arbeitszylinder 34 oder 36 vorzusehen. The same applies to the pressure adjustment in reverse order proceeded. By arranging the invention Crank drive guides 27, 29, 28, 31 it is e.g. B. also possible to provide only one cylinder 34 or 36.

BezugszeichenlisteReference list

11
DruckwerkPrinting unit
22nd
PlattenzylinderPlate cylinder
33rd
GummizylinderRubber cylinder
44th
DruckzylinderImpression cylinder
55
SeitengestellSide frame
66
SeitengestellSide frame
77
Achse (3)Axle (3)
88th
Achse (2)Axle (2)
99
LagerhebelBearing lever
10 1110th 11
LagerhebelBearing lever
1212th
ExzenterbuchseEccentric bushing
1313
ExzenterbuchseEccentric bushing
1414
ArbeitszylinderWorking cylinder
15 1615 16
ArbeitszylinderWorking cylinder
1717th
KolbenstangePiston rod
1818th
KolbenstangePiston rod
1919th
Hebel (22,23)Lever (22.23)
20 2120th 21
Hebel (22,23)Lever (22.23)
2222
KniehebelgelenkToggle joint
2323
KniehebelgelenkToggle joint
2424th
Ende (7)End (7)
25 2625th 26
Ende (7)End (7)
2727
Kurbel (22)Crank (22)
2828
Kurbel (23)Crank (23)
2929
Lenker (22)Handlebars (22)
30 3130th 31
Lenker (23)Handlebars (23)
3232
Bolzenbolt
3333
Bolzen bolt
3434
ArbeitszylinderWorking cylinder
35 3635 36
ArbeitszylinderWorking cylinder
ϕϕ
Winkelangle

Claims (8)

  1. A device for effecting an impression engagement and disengagement of a cylinder (3) in a rotary printing press, the cylinder (3) having a shaft (7) supported in pivotably disposed bearing levers (9, 11),
    characterized in
    that the cylinder (3) is supported so as to be rotatable with respect to the shaft (7) and that each end (24, 26) of the shaft (7) comprises a respective guide (27, 29; 28, 31) for setting the shaft (7) in rotation.
  2. The device according to claim 2,
    characterized in
    that the guide (27, 29; 28, 31) is a crank drive.
  3. The device according to claim 2,
    characterized in
    that the crank drive includes a crank (27; 28) fixed on the shaft against rotation relative thereto, and a drive link (29, 31) rotatably mounted on said crank (27, 28) and pivotably supported on the side frame (5, 6).
  4. The device according to claim 3,
    characterized in
    that said crank (27; 28) an said drive link (29; 31) are disposed at an angle ϕ to one another.
  5. The device according to one of the preceding claims,
    characterized in
    that the shaft (7) is supported in the bearing levers (9, 11) by means of adjustable eccentric bushings (12, 13).
  6. The device according to one of the preceding claims,
    characterized in
    that an actuating device (34, 36) is provided at least at one of the bearing levers (9 11) for positioning the bearing lever (9; 11).
  7. The device according to one of the preceding claims,
    characterized in
    that the actuating device (34, 36) is an actuator cylinder fixed to the press frame.
  8. The device according to one of the preceding claims,
    characterized in
    that the cylinder (3) is a blanket cylinder co-operating with a cylinder (2) bearing an image to be printed.
EP96119590A 1996-01-25 1996-12-06 Device for applying pressure to and withdrawing pressure from a cylinder Expired - Lifetime EP0786338B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19602568A DE19602568C2 (en) 1996-01-25 1996-01-25 Device for turning a cylinder on and off
DE19602568 1996-01-25

Publications (2)

Publication Number Publication Date
EP0786338A1 EP0786338A1 (en) 1997-07-30
EP0786338B1 true EP0786338B1 (en) 2000-03-15

Family

ID=7783613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96119590A Expired - Lifetime EP0786338B1 (en) 1996-01-25 1996-12-06 Device for applying pressure to and withdrawing pressure from a cylinder

Country Status (10)

Country Link
US (1) US5791246A (en)
EP (1) EP0786338B1 (en)
JP (1) JP4545833B2 (en)
KR (1) KR100232909B1 (en)
CN (1) CN1085146C (en)
AT (1) ATE190555T1 (en)
CA (1) CA2195143C (en)
CZ (1) CZ291085B6 (en)
DE (2) DE19602568C2 (en)
HK (1) HK1003173A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6035782A (en) * 1998-05-01 2000-03-14 Moore U.S.A. Inc. Selective flexographic printing with movable anilox roll
DE10013979B4 (en) * 1999-04-28 2004-03-18 Man Roland Druckmaschinen Ag Printing unit of a rotary printing machine
FR2889821B1 (en) * 2005-08-16 2007-11-09 Goss Int Montataire Sa PRINTING UNIT WITH CYLINDERS FORMING COUNTERWEIGHT AND CORRESPONDING PRESS.
FR2889822B1 (en) * 2005-08-19 2007-11-09 Goss Int Montataire Sa PRINTING UNIT WITH MOBILE WHIRLPOPPER CYLINDER BETWEEN PRESSURE POSITION AND PRESSURE POSITION AND CORRESPONDING PRINTING PRESS.
DE102007012738A1 (en) * 2007-03-16 2008-09-18 Ab Skf Rolling bearing arrangement for e.g. sheet-fed printing press, has toothed wheel part formed, supported and driven such that symmetric axis of inner shell of part makes circular movement around axis of outer shell of another part
CN103147090B (en) * 2013-03-04 2015-01-14 江苏晨力环保科技有限公司 Vertical type middle-thickness plate spraying pickling equipment and method thereof

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Also Published As

Publication number Publication date
CN1085146C (en) 2002-05-22
DE19602568C2 (en) 1999-05-06
HK1003173A1 (en) 1998-10-16
KR970058923A (en) 1997-08-12
CZ356896A3 (en) 1997-08-13
US5791246A (en) 1998-08-11
ATE190555T1 (en) 2000-04-15
CZ291085B6 (en) 2002-12-11
CA2195143C (en) 2000-04-11
EP0786338A1 (en) 1997-07-30
KR100232909B1 (en) 1999-12-01
CA2195143A1 (en) 1997-07-26
DE59604679D1 (en) 2000-04-20
DE19602568A1 (en) 1997-07-31
CN1161907A (en) 1997-10-15
JPH09201939A (en) 1997-08-05
JP4545833B2 (en) 2010-09-15

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