WO2003089245A1 - Verfahren und vorrichtungen zum einstellen verstellbar gelagerter walzen - Google Patents
Verfahren und vorrichtungen zum einstellen verstellbar gelagerter walzen Download PDFInfo
- Publication number
- WO2003089245A1 WO2003089245A1 PCT/DE2003/001132 DE0301132W WO03089245A1 WO 2003089245 A1 WO2003089245 A1 WO 2003089245A1 DE 0301132 W DE0301132 W DE 0301132W WO 03089245 A1 WO03089245 A1 WO 03089245A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rollers
- roller
- actuator
- lever
- levers
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
- B41F31/32—Lifting or adjusting devices
- B41F31/36—Lifting or adjusting devices fluid-pressure operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
- B41F31/301—Devices for tripping and adjusting form rollers
Definitions
- the invention relates to a method and devices for adjusting adjustably mounted rollers according to the preamble of claims 1, 6, 7 or 11.
- a device for adjusting two inking rollers in the inking unit of a rotary printing press is known.
- a pivoting lever is provided on each intermediate roller, which is arranged in pairs on both sides of a gap formed by two further rollers, which is supported on the machine frame of the rotary printing press.
- the inking rollers can be turned on or off on the other two rollers by adjusting the pivoting lever.
- the contact pressure in the contact zones between the individual inking rollers and the other rollers in contact results from the respective position of the various pivoting levers.
- DE 41 40219 C2 shows a device for adjusting two rollers pivotably mounted on levers.
- the two rollers are arranged on both sides of a gap provided between two further rollers, so that both adjustable rollers can be brought into contact with the formation of two contact zones on the circumference of the other two rollers. They are connected to one another by means of an actuator with which an actuating force acting between the adjustably mounted rollers can be applied.
- the contact pressure is set here using adjustable threaded screws.
- There is a pressure level for the working cylinder by means of which the rollers are set against the stop in order to then set the roller gap by means of the threaded screws.
- the invention has for its object a method and devices for Adjust adjustable rollers to create.
- rollers are adjusted in relation to one another in a simplified manner by means of a defined force. If a new setting is to be made, for example due to a change in radius due to wear or due to changes in the circumference of the rollers, the correct setting can be reproduced in a simple manner.
- the actuating forces acting on the two rollers are of equal magnitude.
- the actuator is designed in the manner of a pneumatically or hydraulically actuated pressure cylinder.
- the pressure cylinder acts on both sides, the actuating or stopping movement can be realized with the actuator by appropriate pressurization.
- Such pressure cylinders are also suitable for applying particularly high actuating forces.
- the device in the inking unit of a rotary printing press offers particularly great advantages, in which the rollers are designed as ink application rollers and the other two rollers are designed as plate cylinders or ink transfer rollers, in particular in the manner of a distribution cylinder.
- rollers are pivotally mounted on levers, kinematics suitable for switching the rollers on and off can be implemented in a simple manner.
- the levers can be pivoted about a pivot axis to turn the rollers on or off, and stops for defining suitable end positions can be provided on the levers.
- a spring element for example a screw array, can be provided between the levers supporting the rollers, which tension the levers of the opposing rollers against one another. On the one hand, this allows the rollers to be preloaded to a certain extent. In addition, an unwanted pivoting back of the lever is reliably excluded even if the actuating force applied by the actuator ceases to exist, for example if the actuator designed as a pressure cylinder fails.
- the contact pressure exerted by a roller in the two contact zones is in a certain ratio is set.
- the width of the roller strip in particular can be set differently in the two contact zones.
- the levers which each support the rollers are formed from a lever mechanism with at least two partial levers which are connected to one another in an articulated manner. By setting the angle between the two partial levers, a presetting for the linear direction of movement of a linearly movable bearing of the roller is made. By adjusting the angle and the subsequent linear movement, all points in space can be reached in the area of interest for the bearings and.
- the levers After adjusting the levers, the levers can rest against stops, the roller strips being pulled to the contact zone by the linear movement by means of a force corresponding to the desired roller strips.
- the linear mobility is then prevented by a fixing device, the angle and linear position are determined. In normal operation, these fixings are not released, only the lever with a resulting effective lever length is pivoted about its pivot point.
- Readjustment can be achieved in a simple manner by opening the fixing device for the linear movement, applying the defined force, thereby causing the bearing to move along the set linear direction of movement, and then closing the fixing.
- the roller is simply given away about the pivot axis of the lever with a "new" effective lever length.
- the actuator then applies the actuating force between the two rollers arranged in pairs, a balance of forces is established.
- the desired distribution of the roller strip can be set in a simple manner as a result.
- the two rollers are now pulled stiffly against stops according to their presetting.
- a spring element can be provided between the two partial levers, which tensions the two partial levers against one another, so that the roller is pressed with the corresponding counterforce against the roller or the stops lying against it.
- an actuator can be provided on the partial levers, by means of which an actuating force or actuating movement acting between the partial levers can be applied remotely.
- an actuator By appropriate actuation of the actuator, it is thereby possible to change the pressure distribution in the contact zones between the roller and the two rollers lying against it, for example also during the printing operation of the rotary printing press, by changing the angle.
- the two partial levers can be fixed relative to one another with a fastening device.
- the angle between the two partial levers can be set so that the kinematics between the rollers is retained even when the operating conditions change, for example expansion of the rollers due to an increase in temperature.
- Two stop elements can be provided on the levers in order to define an employed or deactivated functional position of the rollers.
- the roller can be adjusted between the parked functional position and the employed functional position and vice versa between the employed functional position and the parked functional position.
- the stop elements which define the employed functional position are adjustable.
- the result can be achieved that after actuation of the actuator the corresponding Equilibrium of forces on the rollers is set, this state can be permanently fixed by appropriate adjustment of the stop elements.
- fixing devices can be provided on the rollers, the actuation of which can fix the position of the rollers relative to the other two rollers.
- Figure 1 shows a roller assembly with a first embodiment of a device in a side view.
- Fig. 2 shows a roller arrangement with a second embodiment of a device in a side view.
- the roller arrangement shown in FIG. 1 is operated by two rollers 04; 06, e.g. B. intermediate rollers 04; 06, which in the gap 03 between two further rollers 01; 02 arranged in pairs are formed.
- the roller 01 can be designed as a forme or plate cylinder 01, the roller 02 as a distribution cylinder 02 and the two intermediate rollers 04 or 06 as ink application rollers 04 or 06.
- the two intermediate rolls 04; 06 come in two contact zones on the circumference of the other two rollers 01; 02 to the facility.
- a deformable peripheral surface is provided, for example in the form of a rubber cover or rubber coating, the width of the roll strip, ie the flattening of the deformable, is determined by the contact pressure in the contact zones Circumferential surface, defined.
- the device has an actuator 07 designed in the manner of a pneumatic pressure cylinder 07.
- the actuator 07 is double-acting and can be connected via appropriate pressure connections 08; 09 are pressurized with compressed air in the pressure chambers provided on both sides of the pressure piston.
- a different pressure medium for example hydraulic oil. If the actuator 07 is pressurized with compressed air through the pressure connection 08, the piston rod 11 is pulled into the pressure cylinder 07 so that the intermediate rollers 04; 06 to be moved towards each other. Conversely, if the pressure port 09 is pressurized with compressed air, it is possible to use the intermediate rollers 04; 06 apart.
- the intermediate rolls 04; 06 are each on levers 17; 18, here as lever mechanism 17; Designated 18, pivotally mounted.
- the lever mechanisms 17; 18 each have two levers 12, 13; 14, 16 e.g. 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 devices for example clamping screws, with which the angle W1 or W2, which is between the partial levers 12; 13 or 14; 16 is included, can be fixed.
- partial levers 12; 13 or 14; 16 each have an actuator 23 or 24, for example in the form of a pressure cylinder 23 or 24, with which the partial levers 12; 13 or 14; 16 for adjusting the angles W1 and W2 can be moved relative to one another by applying an actuating force.
- a fixing device 26 or 27 is provided in each case 14, which can be designed, for example, in the manner of a compressed air-operated shoe brake.
- the stop elements 28; 31 define a maximum position of the intermediate rolls 04; 06 to the two rollers 01; 02.
- the two stop elements 29; 32 each define the functional position of the two intermediate rolls 04; 06, in which the intermediate rollers 04; 06 at least not come into contact with the roller 01, so that, for example, the ink flow in an inking unit can thereby be interrupted.
- the two partial levers 13; 16 connected by a spring element 33, which a certain clamping force between the lever mechanisms 17; 18 causes.
- the clamping force is dimensioned such that the adjusted lever mechanisms 17; 18 against their respective stop elements 28; 21 are biased.
- a correspondingly suitable actuator for example a double-acting pneumatic cylinder, can also be provided to move the intermediate rollers 04; 06 to be able to switch on and off remotely.
- a basic setting of the angles W1 and W2 is first carried out in order to define a defined direction of movement for the linear movement of the intermediate walls 04; Get 06.
- the later distribution of the pressure between the intermediate rollers 04; 06 on the one hand and the rollers 01; 02 on the other hand, in the two contact zones should be preset according to a predetermined ratio by selecting the direction of movement.
- 21; 22 provided, and in 1 not shown, so that the angles W1 and W2 are fixed.
- the ratio of the roller strips between an inking roller 04; 06 and the adjacent form or plate cylinder 01 on the one hand and the inking roller 04; 06 and the adjoining distribution cylinder 02, on the other hand, can be preset.
- the actuator 07 is acted upon with a defined pressure P3.1 via the pressure connection 08.
- This pressure P3.1 corresponds to a specific actuating force which is transmitted from the actuator 07 to the intermediate rollers 04; 06 is applied. Since the partial lever 13 rests on its stop element 28, the actuating force applied by the actuator 7 effects a linear actuating movement of the intermediate roller 04 along the partial lever 12. As soon as the actuating movement has been completed, a balance of forces between the actuating force applied by the actuator 07 is established on the intermediate roller 04 on the one hand and the two reaction forces acting in the contact zones on the other.
- 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 ascertained, in order thereby to adjust the roller strips between the intermediate roller 04 on the one hand and the further rollers 01; 02 on the other hand. After fixing the angle W1 and the fixing device 26, the "effective" lever has been found to switch on and off.
- the intermediate roller 06 is then set.
- the fixing device 27 is first released and the actuator 07 is acted upon by the pressure connection 08 with a defined pressure P3.2, so that the actuating force applied by the actuator 07 can bring about an actuating movement of the intermediate roller 06.
- the fixing device 27 is also 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.
- the device can be used to adjust the contact forces acting in the different contact zones and thus the resulting width of the roller strip independently of one another.
- the construction of the device is extremely compact, since the actuating force for driving the intermediate rollers 04 or 06 is applied by the actuator 07, which is located between the intermediate rollers 04; 06 is arranged.
- the lever mechanisms 17; 18 together with the actuator 07 form an isosceles triangle.
- the actuator 07 is pressurized via the pressure connection 08 with a pressure P3.3 which is higher than the pressures P3.1 or P3.2.
- An actuating movement of the intermediate rollers 04 and 06 is when the actuator 07 is acted upon by the pressure P3.3 due to the fixing by means of the fixing devices 26; 27 imposed, so that this actuating force applied by the actuator 07 realizes a bracing of the device which increases the system rigidity.
- the actuator 07 is pressurized with a pressure P4 via the pressure connection 09, so that the intermediate rollers 04; 06 are pivoted apart until the partial levers 13 and 16 abut the stop elements 29 and 32, respectively.
- the spreading of the lever mechanisms 17; 18 takes place against the tensioning force of the spring element 33, which enables a gentle movement apart.
- Fig. 2 shows a simplified embodiment of the device, by means of each Intermediate roller 04; 06 one of the assigned roller strips is adjustable.
- the device also has an actuator 07 designed in the manner of a pressure cylinder 07, to which the pressure P3.1 is applied to adjust the intermediate roller 04 and the pressure P3.2 to adjust the intermediate roller 06.
- the actuator 07 can be used to increase the system rigidity with the pressure P3.3 and to switch off the intermediate rollers 04; 06 with the pressure P4 at the pressure connections 08 or 09.
- the intermediate rolls 04; 06 are each pivotally mounted with a lever 34 or 36 about the axis of rotation 19 of the roller 02.
- stop elements 29; 32 provided on the levers 34; 36 according to the embodiment shown in FIG. 1, stop elements 29; 32 provided.
- the levers 34; 36 each have 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, for example pressure cylinders.
- the actuator 07 is initially pressurized to the setting pressure P3.1 via the pressure connection 08 in order to adjust the intermediate roller 04 accordingly.
- the adjustable stop element 37 is moved so far against the lever 34 so that a further adjustment of the lever 34 in the clockwise direction even when a higher positioning force is excluded. This fixes the setting on the intermediate roller 04.
- the setting pressure P3.2 for setting the intermediate roller 06 is then applied to the actuator 07 via the pressure connection 08.
- the adjustable stop element 38 is moved so far against the lever 36 that an actuating movement of the lever 36 in the counterclockwise direction is excluded even when a higher actuating force is applied. This also fixes the setting of the intermediate roller 06.
- the setting pressure P3.3 is then applied to actuator 07 to increase the system rigidity.
- the setting pressure P4 is applied to the pressure connection 09, so that the levers 34; 36 pivot outwards until they stop on the stop elements 29; 32 come to rest, the intermediate rollers 04; 06 are turned off by the roller 01.
- the actuator 07 is acted upon by a defined setting force different from an operating force for setting a roller gap, while at the same time at least one of the rollers 04; 06 is free with respect to a direction of movement towards at least one of the further rollers.
- the release or fixation takes place in one embodiment by means of an adjustable stop, while in the other embodiment it takes place by means of a fixation of the roller or its axis of rotation which can be displaced with respect to the lever.
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)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003229514A AU2003229514A1 (en) | 2002-04-22 | 2003-04-07 | Method and devices for adjusting cylinders mounted in an adjustable manner |
EP03722262A EP1497128B1 (de) | 2002-04-22 | 2003-04-07 | Verfahren und vorrichtungen zum einstellen verstellbar gelagerter walzen |
DE50304474T DE50304474D1 (de) | 2002-04-22 | 2003-04-07 | Verfahren und vorrichtungen zum einstellen verstellbar gelagerter walzen |
Applications Claiming Priority (2)
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 |
DE10217810.0 | 2002-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003089245A1 true WO2003089245A1 (de) | 2003-10-30 |
Family
ID=29224634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/001132 WO2003089245A1 (de) | 2002-04-22 | 2003-04-07 | Verfahren und vorrichtungen zum einstellen verstellbar gelagerter walzen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1497128B1 (de) |
AT (1) | ATE334823T1 (de) |
AU (1) | AU2003229514A1 (de) |
DE (2) | DE10217810A1 (de) |
WO (1) | WO2003089245A1 (de) |
Families Citing this family (1)
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 |
Citations (3)
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 |
DE4140219C2 (de) | 1991-12-06 | 1993-11-04 | Koenig & Bauer Ag | Lageranordnung fuer eine auftragswalze einer druckmaschine |
EP1155843A2 (de) * | 2000-05-15 | 2001-11-21 | MAN Roland Druckmaschinen AG | Vorrichtung zum Einstellen einer Auftragwalze am Plattenzylinder einer Druckmaschine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE19716359C2 (de) * | 1997-04-18 | 1999-04-22 | Roland Man Druckmasch | Lageranordnung für eine Auftragswalze einer Druckmaschine |
-
2002
- 2002-04-22 DE DE10217810A patent/DE10217810A1/de not_active Withdrawn
-
2003
- 2003-04-07 WO PCT/DE2003/001132 patent/WO2003089245A1/de active IP Right Grant
- 2003-04-07 DE DE50304474T patent/DE50304474D1/de not_active Expired - Lifetime
- 2003-04-07 EP EP03722262A patent/EP1497128B1/de not_active Expired - Lifetime
- 2003-04-07 AT AT03722262T patent/ATE334823T1/de not_active IP Right Cessation
- 2003-04-07 AU AU2003229514A patent/AU2003229514A1/en not_active Abandoned
Patent Citations (4)
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 |
DE4140219C2 (de) | 1991-12-06 | 1993-11-04 | Koenig & Bauer Ag | Lageranordnung fuer eine auftragswalze einer druckmaschine |
US5339736A (en) * | 1991-12-06 | 1994-08-23 | Koenig & Bauer Aktiengesellschaft | Roller bearing support assembly |
EP1155843A2 (de) * | 2000-05-15 | 2001-11-21 | MAN Roland Druckmaschinen AG | 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 |
EP1497128A1 (de) | 2005-01-19 |
DE50304474D1 (de) | 2006-09-14 |
ATE334823T1 (de) | 2006-08-15 |
EP1497128B1 (de) | 2006-08-02 |
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