EP1199166A1 - Farbwerk in einer Druckmaschine - Google Patents
Farbwerk in einer Druckmaschine Download PDFInfo
- Publication number
- EP1199166A1 EP1199166A1 EP01120743A EP01120743A EP1199166A1 EP 1199166 A1 EP1199166 A1 EP 1199166A1 EP 01120743 A EP01120743 A EP 01120743A EP 01120743 A EP01120743 A EP 01120743A EP 1199166 A1 EP1199166 A1 EP 1199166A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- metering
- inking unit
- metering element
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/20—Ink-removing or collecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/06—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders
Definitions
- the invention relates to an inking unit in a printing press, with an ink metering device with at least one dosing element, which is in a system position abuts a roller that is an inking roller or bears against such, after the Preamble of claim 1.
- Such an inking unit is described in DE-AS 2323025, its as a scraper blade trained metering element rests on a metering roller, which is on an inking roller is applied, so that the inking unit is comparatively short.
- the disadvantage of this inking unit is that accumulates and settles between the metering roller and the doctor blade Dirt particles cause blockages and subsequently streaking in the color film of the metering roller.
- DE 3714936 C2 is another of the genres mentioned at the beginning Inking unit described, the metering element designed as a metering bar on a Ink application roller is applied, so that the inking unit is extremely short. With this inking unit the blockages caused by the dirt particles are avoided by the Dosing bar is arranged swinging around an axis. The axis is at one of the Embodiments shown in the center of the inking roller and another the embodiments in the center of a rounding of a scraping edge of the metering bar, so that the latter due to their vibration in none of the embodiments of the Ink application roller can be lifted off.
- the thickness of one using the metering bar on the Ink application roller dosed ink film can by more or less strong pressure the metering bar on the inking roller. Unfavorable on this inking unit is that due to the fixed axis of the metering bar on this very stubborn Do not let stuck dirt particles detach. It is also disadvantageous that for Setting the thickness of the color film, especially a small thickness, a strong one The metering bar must be pressed against the inking roller and the metering bar wears out quickly due to the strong pressure.
- DE-AS 2530109 is a genus not corresponding to the type mentioned at the beginning and therefore only described inking unit forming further distant state of the art
- Dosing element is designed as a color meter, which is divided into color meter zones, the can be lifted off an ink fountain roller depending on the number of pulses.
- Unfavorable on this inking unit there is one made up of many rollers, namely the ink fountain roller Ink transfer roller and other inking unit rollers, existing long structure that not only requires a lot of installation space, but also the responsiveness of the inking unit Dosing quantity adjustments reduced.
- No. 5,226,364 is an inking unit which also forms only a further state of the art described, the metering doctor on a metering roller in ultrasonic vibrations is transferred.
- the metering doctor is part of a chamber doctor, in whose chamber the printing ink is under an overpressure, which the metering doctor on Dosing roller holds.
- the invention has for its object to a short or extremely short inking unit create in which blockages in the area of the dosing element are excluded and in which the wear of the dosing element is minimized.
- the inking unit according to the invention in a printing press, with an ink metering device with at least one metering element, which is in a contact position on a roller abuts, which is an inking roller or bears against such, is characterized by this that the metering element by means of an associated oscillating device between the system position and a distance position is swingable back and forth.
- An advantage of the inking unit according to the invention is that each time between the Dosing element and a peripheral surface of the roller, a gap is present if that Dosing element in the course of this forced by the vibrating device Vibration has reached the distance position.
- the gap is larger than that in the printing ink located dirt particles so that these without getting stuck through the gap can step through.
- the discontinuous system of the metering element during the Dosing on the roller is also in terms of an extended service life of the Dosing element cheap,
- the dosing assigned to electromagnetic vibratory drive which is also part of the Vibration device is.
- the frequency of the oscillation of the metering element or the number of periods Vibration per one revolution of the roller and thus the number and distance to each other can be changed by color lines generated on the roller.
- the the Distance position corresponding amplitude of the vibration of the metering element can be changeable, so that the dosed with the dosing ink at a small Low elevation amplitudes and high elevations for a large amplitude, e.g. B. Color lines, forms on the peripheral surface of the roller.
- a hydraulic or pneumatic or piezoelectric vibratory drive can be provided.
- a spring which is also part of the vibrating device.
- the spring presses or pulls that Dosing element from the distance position back into the system position. It is Tension of the spring is greatest when the metering element is in the spaced position, however, the spring is also when the metering element is in the contact position biased. This results from the wear-related shortening of the dosing element resulting change in between the distance position and the contact position travel of the spring is so small that the change is practically not affects the size of the pressure of the dosing element against the roller.
- the spring provides the dosing element in the more worn and shortened Condition about the same force against the roller as in the less worn one Condition of the dosing element.
- the spring characteristic of the spring is chosen so that the Shortening the dosing element does not change the spring travel accordingly can have an adverse effect.
- the assignment of the spring to the dosing element enables this automatic adjustment when the dosing element wears, even with the preferred one Further development in which the metering element is approximately radial relative to the roller Direction of vibration.
- the spring places the wearing dosing element in the same in approximately radial direction of vibration.
- the Dosing element associated spring in the form of a flexible spring steel knife is in the presence of the Dosing element associated spring is still possible, but the spring allows a inflexible, rigid design of the dosing element in a variety of geometric Shapes such as B. as a rigid metering bar, as a rigid metering eccentric or as a rigid metering slide.
- the metering element has a working area that ends in the cutting edge Slat or cross-sectional thickness is constant.
- the cross-sectional thickness becomes vertical to the direction of adjustment of the metering element, which corresponds to the direction of vibration, and measured perpendicular to an axis of rotation of the roller. Changes along the adjustment direction the cross-sectional thickness does not change within the working area.
- the cross-sectional width corresponds to the blade thickness of the Metering doctor.
- the wear-related shortening in the metering element according to the invention is not the Dosing accuracy reducing widening of the cutting edge.
- a dosing element Assigned ink supply device which seen in the direction of rotation of the roller Dosing element upstream and is designed as a feed roller.
- the Ink supply device By means of the Ink supply device is the printing ink, which is also understood as a varnish, on the Roll applied and then forms a comparatively thick ink film on it closed film surface. Due to the action of the vibrating dosing element on the applied color film, its thickness is reduced to a required level and structured the film surface. By structuring the color film it becomes periodically reduced or interrupted in thickness.
- the color pattern generated by the roller consists of the evenly distributed color lines or piles, in the case of the interrupted color film completely separated from each other the roller surface or in the case of the reduced thickness of the ink film Can form a color profile with a closed layer of paint.
- the metering elements are from each other stored independently and in alternation with each other, which can be lifted off the roller.
- the above-mentioned metering device within the row even-numbered positions of the dosing elements tines of a first dosing comb form, and those sitting in the row in odd positions
- Dosing elements Form the tines of a second dosing comb.
- Guide the dosing combs phase-shifted vibrations between the system position and the Distance position so that the dosing elements sitting on the even-numbered positions always alternating with the dosing elements sitting on the odd-numbered positions be put against the roller.
- the inking unit is preferably a so-called zoneless inking unit Uniform metering of the printing ink is formed across the printing width.
- a color zone profile is characterized by one across the print width uneven course.
- Generation of such a color profile is the each of the metering elements Area coverage and ink requirement of a printing form in the ink zone, which is the each metering element is assigned, individually controlled.
- the metering device composed of the metering elements of the Zoneless inking described within the scope of the invention over the printing width uniform color pattern generated on the roller.
- This color pattern can turn out to be one of the color lines already mentioned several times without interruption across the print width extend away.
- the height of the color line, i.e. H. the layer thickness is over the entire Print width constant.
- the color pattern can also be from the ones already mentioned Piles of ink exist in a row that spans the print width and are applied to the roller at a distance from one another. Those from the heap of colors existing row can also be used as a color line interrupted at an even distance be considered. All piles of paint have the same height, i.e. H. Layer thickness. Others too even across the print width, d. H. repetitive with the Dosing devices on the roller generated color samples contradict a zoneless Training of the inking unit in no way.
- a printing machine 1 shows a printing machine 1, in particular a sheet-fed offset printing machine, with an impression cylinder 2 for guiding a printing material 3, a printing form cylinder 4, a blanket cylinder 5 for transferring a Print image from the printing form cylinder 4 on the printing material 3 and an inking unit 6 for Coloring the printing form cylinder 4 shown.
- the inking unit 6 comprises a roller 7, which is angularly synchronous as an inking roller the printing form cylinder 4 rolls and a rubber-elastic or elastomeric peripheral surface has which is smooth.
- the diameter of the roller 7 and Printing form cylinders 4 are of the same size.
- the roller 7 is assigned an ink supply device 8, which has a full-surface, ie. H. applies unpatterned ink film 9 to the roller 7 and that from a roller 7 roller 10 rolling in unison and an ink pan 11 in which the roller 10 as one Dip roller is arranged.
- a color metering device 12 for converting the color film 9 into a uniform one Color pattern 13 is seen in the direction of rotation of roller 7 of ink supply device 8 downstream and upstream of the printing form cylinder 4.
- the ink metering device 12 are downstream of smoothing rollers 14, 15, 16, which exclusively roll on the roller 7 and the color sample 13 to a full, d. H. unpatterned Color film with a layer thickness of 10 to 15 microns, which is much less than one Layer thickness of the ink film 9 is wide.
- the ink film 17 is between the roller 7 and the printing form cylinder 4 split and thereby partially onto the printing form cylinder 4 transfer.
- a metering element 18 functioning as a metering doctor is shown in FIG Ink metering device 12 in a spacing position 18.1 and a contact position 18.2 shown relative to the roller 7.
- the dosing element 18 swings along one when dosing linear direction of vibration 19 between the position 18.1 and the Position 18.2 with a frequency adjustable in the range from 200 Hz to 10 kHz and forth.
- the dosing element 18 periodically lifts by preferably in the range of Passage height 20 to 20 ⁇ m, which is in any case less than 100 ⁇ m, of the Roll 7 off.
- the spacing position 18.1, in which the metering element 18 has the passage height 20 has reached, and the investment position 18.2 are the reversal points of the vibration of the Dosing element 17.
- the passage height 20 is much larger than dirt particles 21, 22, which are in a printing ink forming the ink film 9, so that the dirt particles 21, 22 a metering gap determined by the passage height 20 between the Dosing element 18 and the peripheral surface of the roller 7 without getting stuck in the metering gap stay, can happen.
- the color pattern 13 consists of color elevations 23, 24, which are as axially parallel color lines to the roller 7 extend on the peripheral surface of the roller 7 and are each offset by an arc length 25.
- the one between everyone adjacent color elevations 23, 24 on the roller 7 is the same length of sheet 25 proportional to the frequency of the vibration of the metering element 18 and can be in the range from 1 mm to 20 mm.
- the peripheral surface of the roller 7 may have a microstructure, e.g. B. one by sandblasting produced surface roughness or a cup grid produced by engraving have a very when the dispensing element 18 in the contact position 18.2 thin lubricating film 26 passes between the roller 7 and the metering element 18.
- the Lubricating film 26 prevents premature wear of the metering element 18 and is smaller in quantity than the amount of ink required to print the least desired Color density, e.g. B. a solid density of 0.5 is required.
- the layer thickness of the color film 17 can be adjusted by adjusting the frequency of the Vibration of the metering element 18 and / or by adjusting the spacing position 18.1 and thus the passage height 20 vary.
- the arc length 25, i.e. H. the distance of the Color elevations 23, 24 to each other is proportional to the first setting parameter representing frequency of vibration. The higher the frequency, the shorter it is Arc length 25 and the greater the layer thickness of the color film 17 and thus the amount of ink transferred to the printing form cylinder 4.
- the direction of vibration 19 and a tangential line 28 of the roller 7 intersect a contact point 29, in which the metering element 18 is placed on the roller 7.
- the metering element 18 can also be a so-called Negative squeegees are called.
- FIGS. 3 a and 3 b A possible first embodiment is shown in FIGS. 3 a and 3 b Vibrating device 31 of the ink metering device 12 is shown.
- an oscillating drive 32 belongs to Excitation of the vibration of the metering element 18 and a guide 33 which the Dosing element 18 specifies the direction of vibration 19.
- the vibratory drive 32 is designed as an electric linear motor and consists of a stator 34 and a rotor 35.
- the sleeve-shaped stator 34 comprises a magnet 36, e.g. B. a permanent magnet, and a pole plate 37 placed on the magnet 36.
- the rotor 35 consists of a sleeve 38 to which the metering element 18 is attached and which carries an electrical coil 39 which is cast into or onto the sleeve 38 is wound up.
- the sleeve 38 is displaceable in the direction of vibration 19 on one Guide pin 40 of the stator 34 attached, so that the sleeve 38 together with the Guide pin 40 forms the guide 33.
- One between the stator 34 and the rotor 35 biased by a pressure load and attached to the guide pin 40 helical spring 41 is also a component of the oscillating device 31.
- a electronic control device 42 on which the current cycle and thus the frequency of the Vibration of the metering element 18 is adjustable, reduces and increases the set Frequency corresponds to the current strength of the electrical flowing through the coil 39 Current so that at reduced - z. B. switched off - current, the spring 41 the rotor 35 pushes out of the stator 34 and at an enlarged - z. B. switched on - current a magnetic force acting between the stator 34 and the rotor 35 restores the rotor 35 retracts into the stator 34.
- the oscillating drive 32 as a path-controlled electric linear drive train.
- the current actual position of the metering element 18 by means of a sensor or determined by evaluating the motor currents of the linear drive and the actual position starting a compensation of the wear of the metering element 18 and Out-of-roundness of the roller 7 take place by adding wear and out-of-roundness taking into account the new target position of the metering element 18 is specified.
- the dosing element 18 has a working area 44 ending in a cutting edge 43 a cross-sectional thickness 45, which with wear-decreasing length of the Working area 44 always remains constant, so that the cutting edge 43 does not widen and the metering accuracy is not impaired by the wear of the metering element 18 becomes.
- the metering element 18 is designed as a so-called thin-section doctor blade also the names lamellar thickness instead of cross-sectional thickness 45 and chamfer instead Cut 43 in use.
- the metering element 18 is shown in a less worn state.
- the 3b shows the dosing element 18 in a more worn state, in which the working area 44 is shortened due to its abrasion by the roller 7.
- Proportional to the increasing shortening of the metering element 18 increases between the positions 18.1 and 18.2 covered travel of the spring 41, so that the Shortening is compensated.
- the increase in travel is so small and that Spring characteristic of the spring 41 is selected so that the pressure caused by the spring 41 of the metering element 18 in the contact position 18.2 against the roller 7 and the passage height 20 in the spacing position 18.1 the metering accuracy is not noticeable change influencing dimensions and remain essentially preserved.
- the coil 39 acting as a plunger coil is designed so that it is independent of in the system position 18.2 depending on the shortening of the metering element 18 assumed position relative to the stator 34 with the same electrical pulse the control device 42 has the same power surge and thus always the same Passage height 20 generated.
- the distance position 18.1 and thus the passage height 20 is by means of a Adjustment device 46 can be set very precisely by the oscillating device 31 by means of the Adjustment device 46 can be adjusted towards or away from the roller 7.
- the Adjustment device 46 is a stator 34 with a frame of printing press 1 connecting screw formed, by the rotation of the distance of the Vibrating device 31 is adjustable relative to the roller 7. It is essential that the spring 41st the metering element 18 is loaded or pressed against the roller 7 when the metering element 18 is in the system position 18.2.
- the spring 41 not only compensates for that Shortening of the metering element 18 but also non-roundness of the roller 7. Likewise caused by operational fluctuations in temperature of the roller 7 Changes in diameter of the roller 7 compensated by the spring 41.
- a first option is advantageous if the metering element 18, z. B. in the form of a metering strip or Metering knife, as the only metering element of the color metering device 12 over the entire area to be inked extends parallel to the roller 7.
- the Dosing element 18 can be flexible, flexible in this case, so that the Dosing element 18 over its length to one due to the diameter differences not ideal straight surface line (generatrix) of the roller 7, following this surface line can nestle.
- the spring 41 on the metering element 18 not only does it work the spring 41 on the metering element 18 but act over the length of the metering element 18 distributes several such springs to the dosing element 18.
- the second possibility requires that the color metering device 12 not only that Metering element 18 and the oscillating device 31 but other such metering elements 18 ', 18 ", 18"' and the respective associated oscillating devices 31 ', 31 "and is shown in Figure 4. The differences in diameter are large for clarification exaggerated.
- FIGS. 5 a to c show the vibration phases that have been passed through one after the other Sequence of the staggered movement of the metering elements 18, 18 ', 18 ", 18"' segmented ink metering device 12 in FIG. 4.
- first vibration phase - cf. Figure 5 a - are within a row even-numbered dosing elements 18 ', 18' '' - d. H. the second, fourth, Dosing element etc. - opened and those sitting on odd-numbered place numbers Dosing elements 18, 18 "- i.e. the first, third dosing element, etc. - are closed.
- the first oscillation phase is on the roller 7 from the color elevation 23 and further color elevations 23 ', 23 "formed color line.
- Figure 5 c - take the dosing elements 18, 18 ', 18 “, 18” 'a vibration position reversed with respect to the first vibration phase, the metering elements 18 ', 18 “' sitting on the even-numbered location numbers in their respective investment position 18.2 and those on the odd-numbered location numbers dosing elements 18, 18 "in their respective spacing positions 18.1 relative to the Roller 7 are.
- the transition from the second to the third vibration phase takes place by swinging the dosing elements on the odd-numbered location numbers 18, 18 "in their open position.
- the third oscillation phase on the roller 7 generates a color line, the color elevations 24, 24 ', 24 "to gap to the Color elevations 23, 23 ', 23 "of the color line generated in the first oscillation phase are offset.
- FIG. 7 shows one that can be used instead of the color metering device 12 Ink metering device 47 together with one instead of the ink supply device 8 usable ink feed device 48 shown.
- Means 47 and 48 are used for functionally identical parts in the description of Devices 8 and 12 already used reference numerals. constructive Deviations of these functionally identical parts of the devices 47 and 48 from the corresponding parts of the devices 8 and 12 are described in detail below explained.
- the vibratory drive 32 of the ink metering device 47 is an electric motor with a rotating motor shaft 49 is formed. This is with a cardan shaft 50 Eccentric pin 51 connected in terms of drive, which via its paragraph 51.1 in a free Vibrating element 52 and its eccentricity e to paragraph 51.1 Paragraph 51.2 is rotatably supported in a carrier 53 by means of roller bearings.
- the carrier 53 is guided along the direction of vibration 19 by the guide 33, which on one for turning the ink feed device 48 on and off to or from the Roller 7 movably mounted frame 55 and arranged on the ink supply device 48 is.
- the latter is designed as a chambered doctor blade that fastened that to the second carrier 53
- Metering element 18 as a working or metering doctor and a negatively oriented closing doctor 54 comprises and is connected to an ink supply pump, not shown.
- the spring 41 is between the carrier 53 and the frame 55 of the printing press 1 biased, which the carrier 53 and with this the metering element 18 against the roller 7th suppressed.
- the arc length 25 is determined by one on the control device 42 Change in the speed of the vibratory drive 32 adjustable. With a decrease in Speed decreases the frequency of the vibration of the metering element 18 and at one Increasing the speed increases the frequency and thus the metered amount of paint. This can also be increased and decreased by adjusting the amplitude of the vibration become. In the color metering device 47 z. B. the eccentricity e and / or the Preload of the spring 41 can be adjusted.
- control device 42 can control the vibration drive 32 such that this alternates forwards and backwards over a certain angle of rotation rotates.
- the size of the angle of rotation in this case is proportional to the amplitude, i. H. to Distance position 18.2.
- the Vibration drive In the embodiment shown in Figure 7, the Vibration drive, however, continuously in the same direction of rotation.
- FIG. 8 shows a modified roller configuration which differs from that differs from FIG. 1 only in that the roller 7 on which the color sample 13 is generated, not on the printing form cylinder 4 but on one as one Ink application roller trained roller 56, which in turn on the Printing form cylinder 4 rolls.
- the roller 56 has the diameter thereof corresponds to the roller 7 and the printing form cylinder 4, a rubber-elastic or elastomeric peripheral surface.
- the printing form cylinder 4 and the roller 56 rotated angularly synchronized with each other at the same speed as they roll on each other.
- the roller 7 preferably has a smooth surface or optionally also with a cup screened, hard and z. B. ceramic peripheral surface.
- the rollers 10, 14, 15, 16 have rubber-elastic or elastomeric peripheral surfaces.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Coating Apparatus (AREA)
- Ink Jet (AREA)
Abstract
Description
- Fig. 1
- eine Druckmaschine mit einem ultrakurzen Farbwerk mit einer Farbdosiereinrichtung,
- Fig. 2
- einen vergrößerten Ausschnitt aus Fig. 1,
- Fig. 3 a
- eine Schwingeinrichtung der Farbdosiereinrichtung,
- Fig. 3 b
- die Schwingeinrichtung mit einem abgenutzten Dosierelement,
- Fig. 4
- die Schwingeinrichtung aus Fig. 3 a in einer Seitenansicht,
- Fig. 5 a - c
- die Schwingeinrichtung in verschiedenen Schwingungsphasen,
- Fig. 6
- ein während der Schwingungsphasen mit der Farbdosiereinrichtung erzeugtes Farbmuster,
- Fig. 7
- eine alternative Bauweise der Farbdosiereinrichtung und
- Fig. 8
- eine modifizierte und etwas längere Bauweise des Farbwerkes aus der Fig. 1.
- 1
- Druckmaschine
- 2
- Gegendruckzylinder
- 3
- Bedruckstoff
- 4
- Druckformzylinder
- 5
- Gummituchzylinder
- 6
- Farbwerk
- 7
- Walze
- 8
- Farbzufuhreinrichtung
- 9
- Farbfilm
- 10
- Walze
- 11
- Farbwanne
- 12
- Farbdosiereinrichtung
- 13
- Farbmuster
- 14
- Glättwalze
- 15
- Glättwalze
- 16
- Glättwalze
- 17
- Farbfilm
- 18
- Dosierelement
- 18'
- Dosierelement
- 18"
- Dosierelement
- 18"'
- Dosierelement
- 18.1
- Abstandsstellung
- 18.2
- Anlagestellung
- 19
- Schwingungsrichtung
- 20
- Durchlaßhöhe
- 21
- Schmutzpartikel
- 22
- Schmutzpartikel
- 23
- Farberhebung
- 23'
- Farberhebung
- 23"
- Farberhebung
- 24
- Farberhebung
- 24'
- Farberhebung
- 24"
- Farberhebung
- 25
- Bogenlänge
- 26
- Schmierfilm
- 27
- Farbprofilhöhe
- 28
- Tangentiallinie
- 29
- Kontaktpunkt
- 30
- Drehsinn
- 31
- Schwingungseinrichtung
- 31'
- Schwingungseinrichtung
- 31"
- Schwingungseinrichtung
- 32
- Schwingantrieb
- 33
- Führung
- 34
- Stator
- 35
- Läufer
- 36
- Magnet
- 37
- Polplatte
- 38
- Büchse
- 39
- Spule
- 40
- Führungszapfen
- 41
- Feder
- 42
- Steuereinrichtung
- 43
- Schneide
- 44
- Arbeitsbereich
- 45
- Querschnittsdicke
- 46
- Justiereinrichtung
- 47
- Farbdosiereinrichtung
- 48
- Farbzufuhreinrichtung
- 49
- Motorwelle
- 50
- Kardanwelle
- 51
- Zapfen
- 51.1
- Absatz
- 51.2
- Absatz
- 52
- Schwingelement
- 53
- Träger
- 54
- Schließrakel
- 55
- Gestell
- 56
- Walze
- e
- Exzentrizität
- α
- Winkel
Claims (10)
- Farbwerk (6) in einer Druckmaschine (1), mit einer Farbdosiereinrichtung (12; 47) mit mindestens einem Dosierelement (18), welches in einer Anlagestellung (18.2) an einer Walze (7) anliegt, die eine Farbauftragswalze ist oder an einer solchen anliegt,
dadurch gekennzeichnet, dass das Dosierelement (18) mittels einer diesem zugeordneten Schwingeinrichtung 31 zwischen der Anlagestellung (18.2) und einer Abstandsstellung (18.1) hin- und herschwingbar gelagert ist. - Farbwerk nach Anspruch 1,
dadurch gekennzeichnet, dass die Schwingeinrichtung (31) eine Führung (33) zum Führen des Dosierelementes (18) in einer relativ zur Walze (7) in etwa radialen Schwingungsrichtung aufweist. - Farbwerk nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Schwingeinrichtung (31) einen mit dem Dosierelement (18) antriebsmäßig verbundenen elektromagnetischen Schwingantrieb (32) aufweist. - Farbwerk nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Schwingeinrichtung (31) eine das Dosierelement (18) gegen die Walze (7) zurückstellende Feder (41) aufweist. - Farbwerk nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass ein in einer Schneide (43) endender Arbeitsbereich (44) des Dosierelementes (18) eine konstant bleibende Querschnittsdicke (45) aufweist. - Farbwerk nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass dem Dosierelement (18) entlang einer Umfangslinie der Walze (7) mindestens eine Glättwalze (14; 15; 16) nachgeordnet ist, die ausschließlich mit der Walze (7) in Abrollkontakt steht. - Farbwerk nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass dem Dosierelement (18) entlang einer Umfangslinie der Walze (7) eine Farbzuführeinrichtung (8; 48) vorgeordnet ist. - Farbwerk nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass der Walze (7) mindestens ein weiteres Dosierelement (18', 18", 18"') zugeordnet ist. - Farbwerk nach Anspruch 8,
dadurch gekennzeichnet, dass die Dosierelemente (18, 18', 18", 18"') im Wechsel miteinander von der Walze (7) abhebbar gelagert sind. - Druckmaschine (1) mit einem nach einem der Ansprüche 1 bis 9 ausgebildeten Farbwerk (6).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10052011A DE10052011A1 (de) | 2000-10-20 | 2000-10-20 | Farbwerk in einer Druckmaschine |
DE10052011 | 2000-10-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1199166A1 true EP1199166A1 (de) | 2002-04-24 |
EP1199166B1 EP1199166B1 (de) | 2010-11-10 |
Family
ID=7660435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01120743A Expired - Lifetime EP1199166B1 (de) | 2000-10-20 | 2001-09-06 | Farbwerk in einer Druckmaschine |
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Country | Link |
---|---|
US (1) | US20020162466A1 (de) |
EP (1) | EP1199166B1 (de) |
JP (1) | JP2002144532A (de) |
CN (1) | CN1251865C (de) |
AT (1) | ATE487601T1 (de) |
CZ (1) | CZ297965B6 (de) |
DE (2) | DE10052011A1 (de) |
HK (1) | HK1046882B (de) |
Cited By (2)
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WO2004091914A1 (de) * | 2003-04-04 | 2004-10-28 | Koenig & Bauer Aktiengesellschaft | Farbdosiervorrichtung für variable bedruckstoffbreiten |
DE102005025742B4 (de) * | 2004-07-07 | 2016-07-28 | Heidelberger Druckmaschinen Ag | Verfahren zum Steuern eines Kurzfarbwerks einer Druckmaschine |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10310689B4 (de) * | 2002-04-05 | 2010-11-18 | Heidelberger Druckmaschinen Ag | Dosiervorrichtung zur Dosierung von Druckfarbe in einer Druckmaschine |
EP1362696B1 (de) * | 2002-05-18 | 2006-09-20 | Fischer & Krecke GmbH & Co. KG | Druckmaschine mit Rakelvorrichtung |
EP1717026A3 (de) * | 2003-11-14 | 2007-05-02 | Fischer & Krecke GmbH & Co. | Verfahren und Vorrichtung zum Verschieben eines Rakelmessers |
DE102004007269B4 (de) * | 2004-02-14 | 2008-01-31 | Koenig & Bauer Aktiengesellschaft | Farbdosiervorrichtung zum Farbauftrag in einer Druckmaschine |
DE102004048150B4 (de) * | 2004-10-02 | 2015-10-29 | Koenig & Bauer Ag | Farbwerk für eine Druckmaschine |
CA2597077A1 (en) * | 2005-02-10 | 2006-08-17 | Ecosynthetix Inc. | Apparatus and method for the production of corrugated and laminated board and compositions based thereon |
DE102006049619A1 (de) * | 2006-10-20 | 2008-05-15 | Man Roland Druckmaschinen Ag | Verfahren zum Betreiben eines Farbwerks einer Druckmaschine |
CN101195297B (zh) * | 2006-12-05 | 2013-06-19 | 海德堡印刷机械股份公司 | 用于运行网纹辊印刷装置的方法 |
JP5020015B2 (ja) * | 2007-09-28 | 2012-09-05 | 富士フイルム株式会社 | 液体塗布装置及びインクジェット記録装置 |
DE102011100284A1 (de) * | 2010-05-27 | 2011-12-01 | Heidelberger Druckmaschinen Ag | Einrichtung zum Dosieren einer drucktechnischen Beschichtungsflüssigkeit auf einer Walze |
DE102010054417A1 (de) | 2010-12-14 | 2012-06-14 | Heidelberger Druckmaschinen Ag | Vorrichtung zum Dosieren von Farbe in einer Druckmaschine |
DE102012012089A1 (de) * | 2011-07-06 | 2013-01-10 | Heidelberger Druckmaschinen Ag | Verfahren zum Betreiben eines Anilox-Druckwerksund Druckmaschine mit einem Anilox-Druckwerk |
DE102013210915A1 (de) | 2012-07-10 | 2014-01-16 | Heidelberger Druckmaschinen Ag | Farbwerk einer Druckmaschine |
US20150128821A1 (en) * | 2013-11-13 | 2015-05-14 | Stolle Machinery Company, Llc | Fountain blade assembly for can decorator machine ink station assembly |
DE102017212828A1 (de) * | 2017-07-26 | 2019-01-31 | Koenig & Bauer Ag | Vorrichtung zum Beschichten von Nutzen, eine Druckmaschine und Verfahren zum Beschichten von Nutzen |
CN109334250A (zh) * | 2018-12-12 | 2019-02-15 | 北方民族大学 | 一种对开双色胶印机的相位传墨结构 |
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US1981912A (en) * | 1932-03-10 | 1934-11-27 | Goss Printing Press Co Ltd | Printing press |
US3037451A (en) * | 1959-07-15 | 1962-06-05 | William F Davis | Means for dispensing and apportioning fluids |
DE2257102A1 (de) * | 1972-11-21 | 1974-05-22 | Europ Rotogravure Ass | Verfahren zur beseitigung des vom farbwerk uebertragenen farbueberschusses auf tiefdruckzylindern mittels rakel |
JPH0664151A (ja) * | 1992-08-24 | 1994-03-08 | Mitsumura Insatsu Kk | インキ供給装置 |
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US1293305A (en) * | 1917-07-23 | 1919-02-04 | Duplex Printing Press Co | Distributing-fountain mechanism. |
US1419189A (en) * | 1918-10-09 | 1922-06-13 | Wood Newspaper Mach Corp | Continuous ink-distributing mechanism |
US1798147A (en) * | 1928-06-14 | 1931-03-31 | Miehle Printing Press & Mfg | Inking mechanism |
US2842416A (en) * | 1957-03-07 | 1958-07-08 | Alfred M Davock | Bedstead or table structure |
US2986088A (en) * | 1957-10-10 | 1961-05-30 | Miehle Goss Dexter Inc | Inking arrangement for rotary printing press |
US3087184A (en) * | 1960-11-17 | 1963-04-30 | Lodding Engineering Corp | Vibratory doctor mechanism |
DE1252706B (de) * | 1966-03-05 | 1967-10-26 | Philips Patentverwaltung GmbH, Hamburg | Vorrichtung zum Einfärben gerasteter Flachen z B von Tiefdruckformen, mit trockenen Pulvern |
CA1019637A (en) * | 1972-05-09 | 1977-10-25 | Dahlgren Manufacturing Company | Method and apparatus for inking printing plates |
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US5121689A (en) * | 1991-03-27 | 1992-06-16 | Rockwell International Corporation | Ultrasonic ink metering for variable input control in keyless lithographic printing |
DE19617746B4 (de) * | 1996-05-03 | 2005-05-25 | Heidelberger Druckmaschinen Ag | Farbwerk für eine Druckmaschine |
DE19731003B4 (de) * | 1997-07-18 | 2004-07-01 | Man Roland Druckmaschinen Ag | Kurzfarbwerk |
CA2364048A1 (en) * | 1999-03-03 | 2000-09-08 | James F. Price | Keyless inker for a printing press |
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- 2001-09-06 DE DE50115702T patent/DE50115702D1/de not_active Expired - Lifetime
- 2001-09-06 EP EP01120743A patent/EP1199166B1/de not_active Expired - Lifetime
- 2001-09-06 AT AT01120743T patent/ATE487601T1/de active
- 2001-10-19 CN CNB011364939A patent/CN1251865C/zh not_active Expired - Fee Related
- 2001-10-22 US US10/033,127 patent/US20020162466A1/en not_active Abandoned
- 2001-10-22 JP JP2001323116A patent/JP2002144532A/ja active Pending
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2002
- 2002-11-20 HK HK02108410.3A patent/HK1046882B/zh not_active IP Right Cessation
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US1981912A (en) * | 1932-03-10 | 1934-11-27 | Goss Printing Press Co Ltd | Printing press |
US3037451A (en) * | 1959-07-15 | 1962-06-05 | William F Davis | Means for dispensing and apportioning fluids |
DE2257102A1 (de) * | 1972-11-21 | 1974-05-22 | Europ Rotogravure Ass | Verfahren zur beseitigung des vom farbwerk uebertragenen farbueberschusses auf tiefdruckzylindern mittels rakel |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004091914A1 (de) * | 2003-04-04 | 2004-10-28 | Koenig & Bauer Aktiengesellschaft | Farbdosiervorrichtung für variable bedruckstoffbreiten |
DE102005025742B4 (de) * | 2004-07-07 | 2016-07-28 | Heidelberger Druckmaschinen Ag | Verfahren zum Steuern eines Kurzfarbwerks einer Druckmaschine |
Also Published As
Publication number | Publication date |
---|---|
CN1251865C (zh) | 2006-04-19 |
US20020162466A1 (en) | 2002-11-07 |
CZ20012829A3 (cs) | 2002-06-12 |
DE50115702D1 (de) | 2010-12-23 |
DE10052011A1 (de) | 2002-04-25 |
JP2002144532A (ja) | 2002-05-21 |
HK1046882A1 (en) | 2003-01-30 |
CZ297965B6 (cs) | 2007-05-09 |
HK1046882B (zh) | 2006-09-29 |
ATE487601T1 (de) | 2010-11-15 |
CN1349889A (zh) | 2002-05-22 |
EP1199166B1 (de) | 2010-11-10 |
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