EP1497128B1 - Procede et dispositifs de reglage de cylindres montes de maniere reglable - Google Patents

Procede et dispositifs de reglage de cylindres montes de maniere reglable Download PDF

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Publication number
EP1497128B1
EP1497128B1 EP03722262A EP03722262A EP1497128B1 EP 1497128 B1 EP1497128 B1 EP 1497128B1 EP 03722262 A EP03722262 A EP 03722262A EP 03722262 A EP03722262 A EP 03722262A EP 1497128 B1 EP1497128 B1 EP 1497128B1
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EP
European Patent Office
Prior art keywords
rollers
lever
roller
actuator
levers
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
EP03722262A
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German (de)
English (en)
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EP1497128A1 (fr
Inventor
Peter Jentzsch
Bernd Kurt Masuch
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
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Koenig and Bauer AG
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/30Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/32Lifting or adjusting devices
    • B41F31/36Lifting or adjusting devices fluid-pressure operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/30Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/301Devices for tripping and adjusting form rollers

Definitions

  • the invention relates to a device for adjusting adjustably mounted rollers according to the preamble of claim 1.
  • a device for adjusting two ink rollers in the inking unit of a rotary printing machine is known.
  • a pivot lever is provided on each intermediate roll, which are arranged in pairs on both sides of a gap formed by two further rolls, which is supported on the machine frame of the rotary printing press.
  • the ink rollers can be switched on or off the other two rollers.
  • the contact pressure in the contact zones between the individual inking rollers and the other adjacent rollers results from the respective position of the various pivoting lever.
  • DE 41 40 219 C2 shows a device for adjusting two pivotally mounted on levers adjustable mounted rollers.
  • the two rollers are arranged on both sides of a gap provided between two further rollers, so that both adjustably mounted rollers can be brought into contact with each other to form two contact zones on the circumference of the two other rollers. They are connected to each other by means of an actuator, with which a force acting between the adjustably mounted rollers actuating force can be applied
  • a setting of the contact pressure takes place here via adjustable threaded screws.
  • There is a pressure level for the working cylinder by means of which the rollers are made against the stop, and then set by means of the threaded screws, the nip.
  • the US 5,339,736 shows a device for roll storage, with adjustable stops the nips are adjusted for the print-on position.
  • a device for adjusting a roller wherein when stopped stop a position of the roller alone via an application with a predetermined defined force to a second roller adjustable, and this position can be determined by hiring the stop.
  • the invention has for its object to provide a device for adjusting adjustably mounted rollers.
  • the actuator is designed in the manner of a pneumatically or hydraulically actuable pressure cylinder.
  • the pressure cylinder acts on two sides, can both with the actuator by appropriate pressurization the pitching or Abstell Gay be realized.
  • such pressure cylinders are suitable for applying particularly high actuating forces.
  • the actuator may also be designed in the manner of a servomotor.
  • servomotors can be built in a simple manner control loops, so that thereby the contact pressure in the contact zones between the rollers and the other rollers can be controlled.
  • rollers are designed as inking rollers and the other two rollers as a plate cylinder or ink transfer roller, in particular in the manner of a Reibzylinders.
  • rollers are pivotally mounted on levers, a kinematics suitable for cutting off or adjusting the rollers can be realized in a simple manner.
  • the levers can be pivoted about a pivot axis, whereby stops for defining suitable end positions can be provided on the levers.
  • pivot axis of the lever runs along the axis of rotation of one of the rollers.
  • a spring element for example a screw fields, which clamps the levers of the opposing rollers against one another.
  • a certain bias of the rollers can be achieved.
  • the rollers each carrying levers are formed from a lever mechanism with at least two articulated levers interconnected. By adjusting the angle between the two partial levers a default for the linear direction of movement of a linearly movable mounting of the roller is made. By adjusting the angle and the subsequent linear motion can be reached in the area of interest for the camp and all points in the room.
  • the levers can abut stops, wherein the roller strips are pulled by the linear movement by means of a force corresponding to the desired roller strip to the contact zone. Thereafter, the linear mobility is prevented by a fixing device, angle and linear position are detected. In normal operation, this fixations are not solved, only the lever with a resulting effective lever length pivoted about its pivot point.
  • a readjustment can be achieved in a simple manner by opening the fixing device for the linear movement, acting on the defined force, thereby caused movement of the bearing along the set linear direction of movement, and subsequent closing of the fixation.
  • the roller is again given away only about the pivot axis of the lever with a "new" effective lever length for on or off. If the actuating force between the two rollers arranged in pairs is then applied by the actuator, an equilibrium of forces arises, which can be influenced by the direction predetermined by the adjustment of the partial lever. As a result, the desired distribution of the roll strip can be easily adjusted thereby. In operation, the two rollers are now pulled rigidly against attacks according to their default.
  • biasing force may be provided between the two partial levers, for example, a spring element which biases the two partial levers against each other, so that the roller is pressed with the corresponding counterforce against the adjacent thereto roller or the stops.
  • an actuator can be provided on the partial levers, by means of which a force acting between the partial levers actuating force or adjusting movement can be applied remotely controlled.
  • a force acting between the partial levers actuating force or adjusting movement can be applied remotely controlled.
  • the two partial levers with a fastening device are fixable relative to each other.
  • the angle between the two partial levers can be set firmly, so that the kinematics between the rollers is maintained even with changes in the operating conditions, for example expansion of the rollers due to temperature increase.
  • a salaried or parked functional position of the rollers can be provided on the levers each two stop elements. By adjusting the lever between the two stop elements, the roller between the parked functional position and the employed functional position and vice versa between the employed functional position and the parked functional position can be adjusted.
  • the stop elements defining the employed functional position are adjustable.
  • the stop elements defining the employed functional position are adjustable.
  • adjustable stop elements may be provided on the rollers fixing means by the actuation of the position of the rollers is fixed relative to the other two rollers.
  • the roller assembly shown in Figure 1 is of two rollers 04; 06, z. B. intermediate rollers 04; 06, which in the gap 03 between two further rollers 01; 02 are arranged in pairs.
  • the roller 01 as a plate or plate cylinder 01
  • the roller 02 as a friction cylinder 02
  • the two intermediate rollers 04 and 06 may be formed as inking rollers 04 and 06 respectively.
  • the two intermediate rolls 04; 06 come in two contact zones on the circumference of the other two rollers 01; 02 to the plant.
  • Is on one of the rollers 01; 02; 04; 06 provides a deformable peripheral surface, for example in the form of a rubber cover or rubber coating, is the width of the roller strip, ie the flattening of the deformable by the contact pressure in the contact zones Peripheral surface, defined.
  • the device has an actuator 07 designed in the manner of a pneumatic pressure cylinder 07.
  • the actuator 07 is designed to act on two sides and can via corresponding pressure ports 08; 09 are pressurized in the pressure chambers provided on both sides of the pressure piston Druckkammem with compressed air.
  • a different pressure medium for example hydraulic oil. If the actuator 07 is acted upon by the pressure port 08 with compressed air, the piston rod 11 is pulled into the pressure cylinder 07, so that the intermediate rollers 04; 06 are moved towards each other. Conversely, when the pressure port 09 is pressurized with compressed air, it is possible, the intermediate rollers 04; 06 apart.
  • the intermediate rolls 04; 06 are each on levers 17; 18, here as a lever 17; 18 denotes pivotally mounted.
  • the lever works 17; 18 each have two levers 12, 13; 14, 16 z. B. partial lever 12, 13; 14, 16 on.
  • the pivot axis of the two lever mechanisms 17; 18 runs along the axis of rotation 19 of the roller 02.
  • fastening means such as clamping screws, provided, with which the angle W1 and W2, between the partial levers 12; 13 and 14, respectively; 16 is included, can be fixed.
  • 16 are each provided, for example, in the manner of a pressure cylinder 23 or 24 trained actuator 23 and 24, with the part lever 12; 13 and 14, respectively; 16 for adjusting the angle W1 or W2 relative to each other under application of a force can be moved.
  • a fixing device 26 and 27 respectively provided, which may be formed, for example, in the manner of a compressed air-operated shoe brake.
  • each two stop elements 28; 29 and 31, respectively; 32 are each two stop elements 28; 29 and 31, respectively; 32 provided.
  • the stop elements 28; 31 define a maximum setting of the intermediate rolls 04; 06 to the two rollers 01; 02.
  • the two stop elements 29; 32 each define the parked functional position of the two intermediate rollers 04; 06, in which the intermediate rolls 04; 06 at least not come to rest on the roller 01, so that, for example, the color flow can be interrupted in an inking unit.
  • the two partial levers 13; 16 connected together by a spring element 33, which has a certain clamping force between the lever mechanisms 17; 18 causes.
  • the clamping force is such that the adjusted lever mechanisms 17; 18 against their respective stop elements 28; 21 are biased.
  • a correspondingly suitable actuator such as a double-acting pneumatic cylinder, are provided to the intermediate rollers 04; 06 remote controlled on or off.
  • the actuator 07 is acted upon by the pressure connection 08 with a defined pressure P3.1 when the fixing device 26 is open.
  • This pressure P3.1 corresponds to a certain actuating force which is transmitted from the actuator 07 to the intermediate rollers 04; 06 is applied. Since the partial lever 13 rests against its stop element 28, the force applied by the actuator 7 causes a linear adjusting movement of the intermediate roller 04 along the partial lever 12. As soon as the adjusting movement is completed, an equilibrium of forces between the force applied by the actuator 07 is established at the intermediate roller 04 on the one hand and the two acting in the contact zones reaction forces on the other hand.
  • the roller strips in the contact zones between the intermediate roller 04 and the rollers 01 and 02 can be influenced.
  • the fixing device 26 is determined, thereby adjusting the roll strip between the intermediate roller 04 on the one hand and the other rollers 01; 02 on the other hand to fix. After fixing the angle W1 and the fixing device 26, the "effective" lever is found on and off.
  • the intermediate roller 06 is subsequently adjusted.
  • the fixing device 27 is released and the actuator 07 is acted upon via the pressure connection 08 with a defined pressure P3.2, so that the force applied by the actuator 07 actuating force can cause an adjusting movement of the intermediate roller 06.
  • the fixing device 27 is determined, the setting of the roller strips between the intermediate roller 06 on the one hand and the other rollers 01; 02 on the other hand to fix.
  • the setting of the contact forces acting in the various contact zones, and thus the resulting width of the roller strip, can thus be carried out independently of each other with the device.
  • the design of the device is extremely compact, since the force is applied to drive the intermediate rollers 04 and 06 by the actuator 07, which is between the intermediate rollers 04; 06 is arranged.
  • the lever works 17; 18 form together with the actuator 07 an isosceles triangle.
  • the actuator 07 is acted upon via the pressure port 08 with a pressure P3.3, which is higher than the pressures P3.1 or P3.2.
  • An adjusting movement of the intermediate rollers 04 and 06 is upon application of the actuator 07 with the pressure P3.3 due to the fixation by means of the fixing means 26; 27 imposed, so that a system rigidity-increasing clamping of the device is realized by this force applied by the actuator 07.
  • the actuator 07 is acted upon via the pressure port 09 with a pressure P4, so that the intermediate rollers 04; 06 are pivoted apart until the part lever 13 and 16 abut the stop elements 29 and 32 respectively.
  • the moving apart of the lever works 17; 18 takes place against the clamping force of the spring element 33, which allows a gentle moving apart.
  • Fig. 2 shows a simplified embodiment of the device, by means of each Intermediate roller 04; 06 one of the associated roller strips is adjustable.
  • the device also has an actuator 07 designed in the manner of a printing cylinder 07, which is acted upon by the pressure P3.1 for setting the intermediate roller 04 and the pressure P3.2 for setting the intermediate roller 06.
  • the actuator 07 to increase the system rigidity with the pressure P3.3 and for stopping the intermediate rollers 04; 06 with the pressure P4 at the pressure ports 08 and 09 are acted upon.
  • the intermediate rolls 04; 06 are each pivotally mounted with a lever 34 and 36 about the rotation axis 19 of the roller 02.
  • each parked functional position of the intermediate rollers 04; 06 are on the levers 34; 36 according to the embodiment shown in Figure 1 stop elements 29; 32 provided.
  • each two adjustable stop elements 37; 38 provided on the levers 34; 36 .
  • the position of the stop elements 37; 38 can be adjusted by driving suitable drive elements, such as pressure cylinders.
  • the actuator 07 is first acted upon via the pressure port 08 with the set pressure P3.1 to adjust the intermediate roller 04 accordingly.
  • the adjustable stop element 37 is driven so far against the lever 34, so that a further adjustment of the lever 34 in a clockwise direction even when applying a higher force is excluded.
  • the setting is fixed to the intermediate roller 04.
  • the setting pressure P3.2 for adjusting the intermediate roller 06 is applied to the actuator 07 via the pressure connection 08.
  • the adjustable stop element 38 is driven against the lever 36 so far, so that even when a higher actuating force is applied, an adjusting movement of the lever 36 in the counterclockwise direction is ruled out.
  • the setting of the intermediate roller 06 is fixed.
  • the setting pressure P3.3 is applied to the actuator 07 in order to increase the system rigidity.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Vehicle Body Suspensions (AREA)
  • Rotary Presses (AREA)
  • Metal Rolling (AREA)

Claims (11)

  1. Dispositif de réglage de deux rouleaux (04 ; 06), montés réglables à pivotement sur des leviers (17 ; 18 ; 34 ; 36), dans une machine à imprimer, les deux rouleaux (04 ; 06) étant disposés des deux côtés d'un intervalle (03) prévu entre deux autres rouleaux (01 ; 02), de manière que les deux rouleaux (04 ; 06) montés de façon réglable puissent être mis en appui sur la périphérie des deux autres rouleaux (01 ; 02), en formant chaque fois deux zones de contact, et où les rouleaux (04 ; 06) montés de façon réglable sont reliés ensemble à l'aide d'au moins un actionneur (07), avec lequel une force de réglage, agissant entre les rouleaux (04 ; 06) montés de façon réglable, peut être appliquée, caractérisé en ce que les rouleaux (04 ; 06) montés de manière réglable sont montés chacun sur un levier (17 ; 18) susceptible de pivoter, présentant deux leviers partiels (12, 13 ; 14, 16) reliés ensemble de façon articulée et faisant entre eux un angle (W1 ; W2) modifiable, en ce qu'un point de tourillonnement d'un axe de rotation du rouleau (04 ; 06) monté de façon réglable est modifiable localement le long d'un des leviers partiels (12, 13 ; 14, 16) et peut être fixé au choix au moyen d'un dispositif de fixation (26 ; 27, et en ce que, pour régler un intervalle entre rouleaux, lorsque le dispositif de fixation (26 ; 27) est ouvert, l'actionneur (07) peut être sollicité avec une force de réglage définie, faible par rapport à une force de fonctionnement s'appliquant pendant le fonctionnement en impression.
  2. Dispositif selon la revendication 1, caractérisé en ce que la modification locale du point de tourillonnement de l'axe de rotation du rouleau (04 ; 06) monté de façon réglable se fait le long d'une course de réglage linéaire.
  3. Dispositif selon la revendication 1, caractérisé en ce que l'actionneur (07) est réalisé à la manière d'un vérin à pression (07) agissant en particulier sur deux côtés, actionnable pneumatiquement ou hydrauliquement.
  4. Dispositif selon la revendication 1, caractérisé en ce que l'actionneur (07) est réalisé à la manière d'un servomoteur électrique, en particulier intégré dans un circuit de régulation.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les rouleaux (04 ; 06) montés de façon réglable sont réalisés sous forme de rouleaux encreurs (04 ; 06) coopérant avec un cylindre porte-formes ou porte-plaques (01) et un rouleau de transfert d'encre, en particulier un rouleau broyeur (02).
  6. Dispositif selon la revendication 1, caractérisé en ce que l'axe de pivotement des leviers (07 ; 18 ; 34 ; 36) s'étend le long de l'axe de rotation (19) d'un des rouleaux (02).
  7. Dispositif selon la revendication 1, caractérisé en ce que les leviers (17 ; 18) sont serrés l'un contre l'autre au moyen d'un élément élastique (33).
  8. Dispositif selon la revendication 1, caractérisé en ce que les deux leviers (17 ; 18) sont réalisés chacun sous forme de leviers (17 ; 18) ayant au moins deux leviers partiels (12, 13 ; 14, 16) reliés ensemble de façon articulée.
  9. Dispositif selon la revendication 1 ou 8, caractérisé en ce que les leviers partiels (12, 13 ; 14, 16) sont serrés l'un contre l'autre sur un mécanisme à levier (17 ; 18), au moyen d'un élément élastique (33).
  10. Dispositif selon la revendication 8 ou 9, caractérisé en ce que, sur les leviers partiels (12, 13 ; 14, 16) d'un mécanisme à leviers (17 ; 18), est prévu un actionneur (23 ; 24), au moyen duquel un angle (W1 ; W2), entre les leviers partiels (12, 13 ; 14, 16) d'un mécanisme à leviers (17 ; 18), est modifiable.
  11. Dispositif selon l'une des revendications 8 à 10, caractérisé en ce que l'angle (W1 ; W2) entre les leviers partiels (12, 13 ; 14, 16) est susceptible être fixé avec un dispositif de fixation.
EP03722262A 2002-04-22 2003-04-07 Procede et dispositifs de reglage de cylindres montes de maniere reglable Expired - Lifetime EP1497128B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10217810A DE10217810A1 (de) 2002-04-22 2002-04-22 Vorrichtungen und ein Verfahren zum Einstellen zweier verstellbar gelagerter Walzen
DE10217810 2002-04-22
PCT/DE2003/001132 WO2003089245A1 (fr) 2002-04-22 2003-04-07 Procede et dispositifs de reglage de cylindres montes de maniere reglable

Publications (2)

Publication Number Publication Date
EP1497128A1 EP1497128A1 (fr) 2005-01-19
EP1497128B1 true EP1497128B1 (fr) 2006-08-02

Family

ID=29224634

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03722262A Expired - Lifetime EP1497128B1 (fr) 2002-04-22 2003-04-07 Procede et dispositifs de reglage de cylindres montes de maniere reglable

Country Status (5)

Country Link
EP (1) EP1497128B1 (fr)
AT (1) ATE334823T1 (fr)
AU (1) AU2003229514A1 (fr)
DE (2) DE10217810A1 (fr)
WO (1) WO2003089245A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043971B4 (de) * 2010-11-16 2014-07-10 Koenig & Bauer Aktiengesellschaft Verfahren zum Einstellen eines sich längs zwischen einer Walze und einem in seiner Axialrichtung nebeneinander mit mehreren Druckformen belegbaren Formzylinder erstreckenden Abstandes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE708553C (de) 1934-06-17 1941-07-24 Albert Schnellpressen Farbwerk fuer Rotationsdruckmaschinen zum gleichzeitigen An- und Abstellen aller Farbwalzen
DE1003760B (de) * 1952-10-14 1957-03-07 Winkler Maschf Walzensupport fuer das Lagern von Farbwerkwalzen an Buchdruck-, Offsetdruck- u. dgl.Maschinen
DE1247341B (de) * 1964-03-14 1967-08-17 Maschf Augsburg Nuernberg Ag Farbwerk fuer ein in zwei Drehrichtungen zu betreibendes Druckwerk von Rotationsdruckmaschinen
DE4140219C2 (de) * 1991-12-06 1993-11-04 Koenig & Bauer Ag Lageranordnung fuer eine auftragswalze einer druckmaschine
DE19716359C2 (de) * 1997-04-18 1999-04-22 Roland Man Druckmasch Lageranordnung für eine Auftragswalze einer Druckmaschine
DE10023605A1 (de) * 2000-05-15 2002-06-27 Roland Man Druckmasch Vorrichtung zum Einstellen einer Auftragwalze am Plattenzylinder einer Druckmaschine

Also Published As

Publication number Publication date
DE10217810A1 (de) 2003-11-13
AU2003229514A1 (en) 2003-11-03
ATE334823T1 (de) 2006-08-15
WO2003089245A1 (fr) 2003-10-30
DE50304474D1 (de) 2006-09-14
EP1497128A1 (fr) 2005-01-19

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