EP1060882B1 - Eindrucksystem in einer Rotationsdruckmaschine - Google Patents
Eindrucksystem in einer Rotationsdruckmaschine Download PDFInfo
- Publication number
- EP1060882B1 EP1060882B1 EP00111001A EP00111001A EP1060882B1 EP 1060882 B1 EP1060882 B1 EP 1060882B1 EP 00111001 A EP00111001 A EP 00111001A EP 00111001 A EP00111001 A EP 00111001A EP 1060882 B1 EP1060882 B1 EP 1060882B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- roller
- impression
- imprinter
- head
- 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
Links
- 238000007639 printing Methods 0.000 claims description 74
- 239000012530 fluid Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 19
- 238000007645 offset printing Methods 0.000 claims description 14
- 238000007644 letterpress printing Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000004913 activation Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000002352 blister Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
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
- B41F13/48—Arrangements to enable printing to be effected over selected areas of a single forme cylinder
- B41F13/52—Arrangements to enable printing to be effected over selected areas of a single forme cylinder by projecting and retracting parts of the surface of the forme cylinder
Definitions
- the invention relates to an impression system in a rotary printing press according to the Preamble of claim 1.
- the impression unit can be a flexographic printing system, an offset printing system or a High pressure system.
- the product can be processed as a web and after the last one Imprint can be cut and folded, or it can be processed as a sheet.
- the '' Different machines used to manufacture the printed product are referred to as web-fed rotary presses and sheet-fed presses.
- the Printing machine be stopped each time to the imprint head and, if available, to change the pressure plate. The machine standstill and the replacement lead to considerable loss of time. Also arises when setting up and starting up again Machine waste.
- DE 40 31 964 A1 describes e.g. B a rotary printing unit with the small area Print images can be printed on a paper web.
- the printing unit is in Essentially a high-pressure system with a bearing the original print image Pressure roller, a counter pressure roller, an ink roller and a transport system.
- the Print roller has an axial groove in which the impression head is attached.
- the Imprinting head can be moved axially in the groove, so that the imprinting image can be seen laterally Direction towards which the product can be placed. You can also have several Impression heads in the groove. This makes it possible to have two or more To provide signatures with an impression parallel to each other.
- the inking unit includes an ink fountain with ink, an ink fountain roller partially immersed in the ink, and an inking roller that contacts the ink fountain roller and the impression head.
- the Color is thus transferred from the ink fountain roller onto the inking roller and onto the Transfer impression head, which in turn transfers the color to the product while this is moved through the nip between the pressure roller and the counter-pressure roller becomes.
- a printing or transfer cylinder especially for Rotary printing machines, for printing on continuous webs, known in the Layers are to be printed on form sets, the length of which is a multiple of the cylinder circumference are.
- the pressure cylinder has one in the cylinder jacket parallel to the cylinder axis running neckline and a pressure saddle filling the neckline, which in is guided radially displaceable or pivotable.
- Another printing device is known from US Pat. No. 3,181,456 which rotates one has driven pressure cylinder, which has openings on its surface, in which pressure stamps are embedded, which by means of a hydraulic-mechanical Device can be moved in the radial direction of the pressure cylinder, so that for one or more stamps can be selected individually for each printing process can.
- the extension of the pressure stamp occurs because outside of the Various cylinders are attached, which act on a shaft, which protrudes into the interior of the printing cylinder, so that the respective stamp from the Printing cylinder can be extended or retracted.
- this includes hydraulic fluid actuated activation system an inflatable or expandable body, e.g. Legs Bladder or bellows, seen radially below the indentation head in the channel is arranged; a fluid control unit that provides selective inflation and deflating the inflatable body controls; and fluid lines covering the connect the inflatable body to the fluid control unit.
- an inflatable or expandable body e.g. Legs Bladder or bellows, seen radially below the indentation head in the channel is arranged; a fluid control unit that provides selective inflation and deflating the inflatable body controls; and fluid lines covering the connect the inflatable body to the fluid control unit.
- the impression head can be one of one Variety of impression heads, each attached in such a way that they can protrude individually and optionally beyond the periphery of the printing roller.
- an activation system operated with hydraulic fluid for optional lifting and Lowering each of the variety of impression heads is provided, which is a variety of expandable or inflatable bodies, viewed radially under one each respective ones of the impression heads are arranged in the channel; and it is one Liquid control unit for controlling optional inflation and deflation of each inflatable body provided, and fluid lines that the connect the inflatable body to the fluid control unit.
- all of the imprint heads are in the manner arranged to move along the axial channel and any number can take from named positions along the axial channel.
- the axial channel has a bottom and Sidewalls with grooves formed therein, and there is provided a carriage which the Impression head carries so that it is axially movable in the channel along the grooves.
- the grooves form Cam tracks that determine a radial position of the slide and thus theirs Change radial position along the axial extent of the axial channel.
- the channel is along it axial extension divided into three sections, and each of the plurality of Impression heads is arranged in such a way that it can be placed in either of the three Sections can be transported.
- the channel comprises the following Sections: a waiting section in which the imprint heads are in one retracted position before being placed in an active pressure state become; a printing section into which each of the impression heads from the waiting section is movable and in which the respective pressure surface axially over the periphery of the Printing roller protrudes; and an exit section into which the impression heads from Printing section are movable here.
- the impression mechanism is a Flexographic printing.
- the printing area is a raised printing area for printing in high pressure.
- the system includes a platen roller that mates with the platen roller cooperates, forming a gap between the two rollers through which a Product that is supposed to get an impression is transported.
- the impression mechanism is a Offset printing unit and the impression head carries an offset printing plate, which covers the printing area forms.
- Fig. 1 shows a side view of a first embodiment of the invention, in which High pressure process the print image is transferred directly.
- the one bearing the printed image Body (relief) is arranged directly on an impression head, which follows is described in more detail.
- the impression head is carried by a printing roller 1.
- the Printing roller 1 and a counter-pressure roller 2 form a gap through which one Web 3 moves in the web running direction 4.
- the inking is done by an inking unit, the an ink fountain 5 and an ink fountain roller 6 comprises.
- the ink fountain roller 6 takes Paint from the ink fountain and transfers it to an inking roller 7 notes that for the sake of clarity some insignificant for understanding the invention Auxiliary components of the inking unit, such as. B. ink knife, squeegee roller, squeegee roller and a rider roll are not shown here.
- the printing process is a conventional high pressure or relief printing process.
- the Impression head protrudes slightly beyond the peripheral surface of the platen roller 1.
- the imprint head goes into the gap between rollers 1 and 7, come the raised image parts of the impression head with the ink film on the ink roller 7 in Contact, where the imprint head is colored.
- the product e.g. paper
- the offset printing system comprises a blanket roller 1 which together with the counter-pressure roller 2 forms the gap through which the web 3 in the Web running direction 4 moves.
- the impression head (the one Offset printing plate) on a printing cylinder 8 (which also serves as a plate cylinder is designated) attached.
- the plate is moistened by a dampening system, a wet box 9, a wet box roller 10, a wet transfer roller 11 and comprises a dampening roller 12.
- the dampening system can Spray dampening system that has no wet box 9 and no wet box roller 10 has, but dampening water on the dampening roller 11 or directly on the Moist application roller 12 sprays.
- the periphery of the dampening roller 12 is in a distance from the pressure cylinder 8, which ensures that only those on the Printing plate located in contact with the fountain solution film on the Moist application roller 12 comes.
- the plate surface protrudes radially over the peripheral Level of the dampening roller 12 also.
- the printing process is conventional offset printing.
- the printing plate is in hydrophilic and hydrophobic areas, which represent the image to be printed, divided.
- First is the Printing plate moistened by the dampening roller 12. The water molecules only stick on the hydrophilic areas.
- the printing plate on the inking roller 7th moved past and brought into contact with the ink layer on the inking roller 7. Because paint and water are not mixed together and the hydrophilic surfaces are covered with a film of water, the paint adheres only to the hydrophobic or oleophilic surfaces on the printing plate.
- An inking unit ensures a constant Feeding ink to the inking roller 7.
- the inking unit (similar to that in Fig. 1) comprises an ink source in the form of an ink fountain 5 and an ink fountain roller 6, and an ink transfer roller 13, the ink from the ink fountain roller 6 on the Ink roller 7 transmits.
- rollers are either via an associated gear or mechanical Link mechanism driven together or by individual speed equal Motors powered.
- Such engines are currently, for. B. in rotary printing presses used, manufactured by Heidelberg Web Systems, Dover, New Hampshire, USA become.
- the web 3 has predetermined impression areas 14, i. H. Areas of the Main print image, which are ready for the customer-specific individual impression.
- the impression areas 14 are in one Plurality of impression zones 14a, 14b, 14c divided.
- a first batch of an ongoing Print jobs can be given a given impression at the impression zone 14a
- a second stack can be made at the impression zone 14b
- a third stack at the Impression zone 14c can be provided with an impression.
- the number of impression zones is not limited, but it will logically be the number of available Imprint heads match.
- the imprint heads are in sections 15a, 15b and 15c, which are axially defined within a channel formed in the roller 1. Consequently section 15a corresponds to zone 14a, section 15b corresponds to zone 14b and Section 15c of zone 14c. Accordingly, the one shown in FIG Embodiment three impression heads for three different impression zones.
- Each of the impression heads in sections 15a, 15b and 15c can be individual raised to print in the respective section.
- the number of positions of the valve 18 corresponds to that Number of impression heads.
- one of the imprint heads is activated while the other impression heads remain inactive.
- the Distribution of the pressure applied to the imprint heads is by a control system 19 connected to the valve 18 is controlled.
- the control system 19 is a group of switches, one in different positions adjustable selector switch, or an electronic Control circuitry.
- An expandable organ 20 e.g. a pneumatically or hydraulically inflatable bladder or bellows
- the bladder 20 carries one radially from this protruding impression head body 21 with a raised Print area 22 (high pressure system) or with a small offset plate 22 (Offset printing system).
- Annular compression elements 23, e.g. B. in the form of Bellows serve a dual purpose. First, secure it Impression head body 21 against its movement in the axial and circumferential Direction (the non-radial, orthogonal directions).
- Compression elements 23 also serve the impression head body 21 within the Bias channel 16 radially, so that in the deactivated position of the Impression head body 21 whose imprint surface 22 does not extend over the periphery of roller 1 protrudes.
- the preload must be at least a slightly higher value have as the expected centrifugal force at the maximum printing speed and the associated angular velocity of the roller 1.
- the side walls of the channel 16 are in the direction of Periphery of the roller 1 formed obliquely to each other.
- the trapezoidal Sectional arrangement ensures that the impression head 21 and the Seal ring 23 are held securely in the channel 16. 4 it can also be seen that that the impression head arrangement is preferably from one of the end faces of the roller 1 is inserted laterally into channel 16.
- FIG. 5 An alternative embodiment of the support structure is shown in FIG. 5.
- the imprint head arrangement by two opposite projecting Edges 16a held on the channel edge near the peripheral surface of the roller 1 are trained.
- top wall layer of roller 1 by a few millimeters into the channel and up to a depth (thickness) of a few millimeters extended to the edges or protrusions (16a).
- the bladder 20 is at least two Hydraulic fluid lines, namely with an inlet line 24 and one Outlet line 25 connected.
- the flow in the liquid lines 24 and 25 will controlled by a liquid control unit 26 which according to the invention within the Roller 1 is arranged.
- the control unit 26 can e.g. B. yourself be connected to a liquid reservoir pumping device, which, for. Legs has electrical connection to the outside of the roller 1.
- the control unit 26 is preferably a electrically activated switch.
- Control unit 26 If the Control unit 26 is mounted outside the roller, it is necessary to have several Lead liquid lines through the pivot bearing. At least six Liquid lines would have to be provided in the embodiment shown in FIG. 3 be, namely two for each of the three impression heads. Hydraulic fluid lines, Rotary unions and electrical lines leading from fixed frame parts to rotatable rollers or cylinders are well known to those skilled in the art and will be therefore not described in detail here.
- FIG. 5 The embodiment of FIG. 5 is similar to the embodiment shown in FIG. 4.
- the impression head body 21 is caused by the interaction of two Wedges 27 and 28 optionally raised and lowered.
- the wedge 27 is transverse to Longitudinal extension of the channel 16, i. H. movable from right to left.
- the wedge 27 will through an expandable chamber or piston 29 of a pneumatic or hydraulic cylinder 30 moves.
- a control unit 26 here connected to a cylinder control unit. If the wedge 27 at extended or elongated piston 29 is moved to the left, the Impression head body 21 is raised and extends radially beyond channel 16.
- the amount by which the printing surface 22 of the impression head extends over the peripheral plane also depends on the angle of the wedge and the length of the Piston 29 from.
- the horizontal becomes the orthogonal Plane relative to any radial beginning at the axis of rotation of the roller 1 Understood axis.
- FIG. 6 shows a second embodiment not according to the invention.
- this Embodiment it is possible that with a variety of Impression heads 22a, 22b, 22c and 22d in a single impression zone 14 on the web 3 can be printed.
- all impression heads 22a, 22b, 22c and 22d first brought into their waiting positions on the left in Fig. 6. If the respective impression head is to be used for printing, this is over the Channel 16 transported to section 15. Here the impression head becomes axial fixed and raised, d. H. activated. After printing the entire stack the active impression head is lowered into channel 16, axially released and in brought the respective inactive position on the right side of Fig. 6.
- the imprint heads 22a and 22b have already finished their printing task during the Imprint head 22c is currently printing and the fourth imprint head 22d is in its Waiting position.
- the second embodiment is compared to the first embodiment with the assigned stationary impression heads simplified, since only one lifting system (bladder or Bellows 20 or wedge 27) is required.
- the lifting system is at section 15 attached and is only activated if a respective impression head along the axial Channel 16 has been moved into section 15.
- this system more complicated in that here the impression heads are transported across channel 16 and must be fixed in section 15.
- Various can be used for axial transport Systems are used. For example, one by fluid pressure or one Electric motor activated spindle drive can be provided. However, it can also be a linear bearing with a hydraulic or pneumatic drive to move the Carriage / impression head can be used.
- Fig. 7 shows the impression head 21 in its waiting position (outside left in Fig. 6).
- the Impression head 21 is returned to its inactive position and is on a carriage 31 which is moved axially along the channel 16 in grooves 32 and 33 can.
- the arrangement of the grooves 32 and 33 relative to the peripheral plane of the roller 1 ensures that the impression head 21 is fixed in its inactive position.
- Fig. 8 shows the impression head 21 in section 15 in its raised position as activated impression head.
- a bellows 20 or one shown in Fig. 3 Bladder 20 or a wedge system shown in Fig. 4 provided in section 15, so that the impression head 21 can be optionally raised in this position.
- the Bellows 20 is fluid via the liquid inlet line and the Liquid outlet line connected to the control unit 26.
- On the axial Two pistons 34 and 35 can be provided at the upper end of the channel 16.
- the Pistons 34, 35 clamp the impression head 21 after being lifted by one To prevent displacement in the circumferential direction.
- the pistons 34 and 35 are also controlled by the control unit 26 and are for this purpose in terms of flow in each case via liquid lines 36 and 37 with the control unit 26 connected.
- the impression head 21 is primarily in Exposed circumferential displacement forces caused by the pistons 34th and 35 can be compensated.
- pointing in the radial direction also act (Pressure) forces caused by the counterforce of the bellows 20 and by the rotation the centrifugal forces caused by the roller 1 can be compensated.
- the axial grooves 32 and 33 hold the Carriage 31 and the impression head 21 in the channel 16.
- the Grooves 32 and 33 preferably widened in section 15 so that the impression head for printing can be increased accordingly. Due to the fact that the Grooves 32 and 33 are widened only in section 15, it is ensured that the Impression head does not move axially when raised to its activated position. However, if the impression head 21 is moved across the channel 16, it must be in the Section 15 must be stopped before it can be raised.
- a piston 38 with a pawl or a corresponding locking device intended. The piston is also in flow via a liquid line 39 connected to the control unit 26.
- Figure 9 is a top view of the groove 33 of Figures 7 and 8.
- the groove 32 is preferred mirror-symmetrical to the groove 33, the liquid lines 24 and 25 and also other lines advantageously run on the bottom of the channel 16 can.
- the Impression head 21 is movable by means of an appropriately designed cam control.
- the grooves 32 and 33 serve as cam tracks and the slide 31 is the cam.
- the grooves 32 and 33 hold the impression head 21 except in the activation section 15 along the entire axial extent of the printing roller 1 in the lowered, inactive Position.
- the impression head 21 is raised by the cam track and thus activated. If the respective imprint head 21 does its job on the assigned one Batch in the print job, it is moved to the right and back into the Channel. 16 lowered, and section 15 is ready to add another imprint head 21 for pick up another batch.
- the Impression head 21 a printing plate 40, which - in an analogous manner to a known Printing plate clamping system for web-fed rotary offset printing machines - with yours angled plate ends in associated narrow slots 41 of the impression head surface 22 can be accommodated in order to clamp the (mini) pressure plate 40.
- a suction cup 42 can advantageously be used to carry the (mini) plate 40 Handle 43 can be used.
- the imprint head can be within channel 16 through one Linear bearings 44 are held and can be moved in the channel 16 by means of this bearing.
- linear bearing shaft 44 is preferably rotatably supported and as a camshaft formed with at least one cam (hump) 45 in such a way that in one Rotation of the bearing shaft 44 the impression head up into its activation position is moved when the impression head is on the cam (hump) 45.
- the Cam (hump) 45 can z. B. in the bearing shaft 44 or as one on the shaft sleeve to be slid on.
- the invention has been described here as a free standing impression system, however is equally suitable for both in a web-fed rotary printing press and in a sheetfed press to be integrated.
- the aforementioned ensure Main printing machines for the original printing and the impression mechanism as an auxiliary device for the impression that can be changed without changing the original printing operation interrupt.
- the impression work can also be a two-sided Imprint system are available, d. H. that on both sides of the web at the same time Imprints can be made.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
Description
- Fig. 1
- eine Seitenansicht einer Hochdruck-Rotationseindruckmaschine;
- Fig. 2
- eine Seitenansicht einer Offset-Rotationseindruckmaschine;
- Fig. 3
- eine teilweise schematische, perspektivische Ansicht einer nicht erfindungsgemäßen Ausführungsform der Eindruckmaschine mit drei Eindruckköpfen in feststehenden Positionen;
- Fig. 4
- eine Teilansicht eines radialen Abschnitts einer Druckwalze mit einem erfindungsgemäßen Eindruckkopf, der mittels einer mit Flüssigkeit beaufschlagten Blase oder Blasebalgs angehoben werden kann.
- Fig. 5
- eine Teilansicht eines radialen Abschnitts einer Druckwalze mit einem erfindungsgemäßen Eindruckkopf, der mittels eines Schiebekeils angehoben werden kann;
- Fig. 6
- eine Draufsicht einer Eindruckwalze eines Eindruck-Drucksystems nicht gemäß vorliegender Erfindung;
- Fig. 7
- eine Seitenansicht eines Eindruckkopfes, der in einem Kanal platziert ist, in dem Steuerungsnuten geformt sind;
- Fig. 8
- eine Seitenansicht eines gleichen Eindruckkopfes mit einem Flussdiagramm einer zugehörigen Druckflüssigkeit;
- Fig. 9
- eine längsgerichteten Teilansicht einer exemplarischen Steuerungsnut in einer Seitenwand des Kanals eines Eindruckkopfes;
- Fig. 10
- eine der Fig. 9 ähnliche Teilansicht einer alternativen Ausführungsform der Steuerungsnut;
- Fig. 11
- ein Seitenaufriss eines Eindruckkopfes mit einem keilförmigen Anheber und einer Offsetdruckplatte; und
- Fig. 12
- eine perspektivische Ansicht eines linearen Wellenlagerung mit einer Nockenbuchse zum Lagern und Bewegen des Eindruckkopfes innerhalb eines Kanals.
- 1
- Druckwalze / Gummituchwalze
- 2
- Gegendruckwalze
- 3
- Bahn
- 4
- Bahnlaufrichtung
- 5
- Farbkasten
- 6
- Farbkastenwalze
- 7
- Farbauftragwalze
- 8
- Druckzylinder
- 9
- Feuchtkasten
- 10
- Feuchtkastenwalze
- 11
- Feuchtübertragwalze
- 12
- Feuchtauftragwalze
- 13
- Farbübertragwalze
- 14
- Eindruckbereich der Bahn 3
- 14a, 14b, 14c
- Eindruckzonen
- 15a, 15b, 15c
- Abschnitte der Eindruckkopf-Position
- 16
- Walzenkanal / Zylinderkanal
- 16a
- Rückhalteränder
- 18
- Ventil
- 19
- Steuerungssystem
- 20
- Blase
- 21
- Eindruckkopfkörper / Eindruckkopf
- 22
- Eindruckkopf-Oberfläche / Eindruckfläche
- 22a, 22b, 22c, 22d
- Eindruckkopf
- 23
- Kompressions-Elemente
- 24
- Flüssigkeits-Einlassleitung
- 25
- Flüssigkeits-Auslassleitung
- 26
- Flüssigkeitssteuerungseinheit
- 27
- Keil
- 28
- Keil
- 29
- Kolben
- 30
- pneumatischer oder hydraulischer Zylinder
- 31
- Schlitten
- 32
- Nut
- 33
- Nut
- 34
- Kolben
- 35
- Kolben
- 36
- Flüssigkeitsleitung
- 37
- Flüssigkeitsleitung
- 38
- Kolben
- 39
- Flüssigkeitsleitung
- 40
- Druckplatte
- 41
- Schlitze
- 42
- Saugnapf
- 43
- Handgriff
- 44
- Lagerwelle
- 45
- Nockenbuckel
Claims (10)
- Eindrucksystem in einer Rotationsdruckmaschine, mit einer eine Peripherie aufweisenden Druckwalze (1), in welcher ein sich entlang der Druckwalze (1) erstreckender axialer Kanal (16) geformt ist, in welchem Kanal (16) ein Eindruckkopf (21), angeordnet ist, der eine im Wesentlichen parallel zur Peripherie der Druckwalze (1) angeordnete Eindruckfläche (22) aufweist und der während des Fortdruckbetriebs der Druckmaschiene über Stellmittel in der Weise aus dem Kanal (16) herausfahrbar ist, dass die Eindruckfläche radial über die Peripherie der Druckwalze (1) hinausragt,
dadurch gekennzeichnet, dass die Stellmittel ein Druckflüssigkeitssystem umfassen, welches im Kanal (16) in radialer Richtung betrachtet unterhalb des Eindruckkopfes (21) angeordnet ist, um den Eindruckkopf (21) wahlweise anzuheben und/oder abzusenken und welches sich vollständig in Inneren der Druckwalze (1) befindet. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass das Druckflüssigkeitssystem einen expandierbaren Körper (20) umfasst, der über eine Steuerungseinheit (26) mit Flüssigkeit beaufschlagbar ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass Mittel vorgesehen sind, mit denen der Eindruckkopf (21) entlang des axialen Kanals (16) in vorbestimmte Positionen verfahrbar ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass eine Vielzahl von Eindruckköpfen innerhalb des Kanals (16) angeordnet ist, welche unabhängig voneinander verfahrbar sind. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der axiale Kanal (16) einen Boden und Seitenwände mit darin geformten Nuten (32, 33) aufweist, und dass ein Schlitten (31) vorgesehen ist, auf dem der Eindruckkopf (21) entlang der Nuten (32, 33) verfahrbar aufgenommen ist. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass die Nuten Nockenlaufbahnen bilden, die eine radiale Position des Schlittens (31) bestimmen. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass der axiale Kanal (16) in drei Abschnitte (15a, 15b, 15c) unterteilt ist, und dass jeder der Eindruckköpfe (21) wahlweise in einen der Abschnitte (15a, 15b, 15c) verfahrbar ist. - Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet, dass die Abschnitte einen Warteabschnitt (15a), in welchem sich die Eindruckköpfe (21) in einer zurückgezogenen, deaktivierten Position befinden; einen Druckabschnitt (15b), in welchem die Eindruckköpfe (21) in einer über die Peripherie der Druckwalze (1) hinausragenden Aktivierungsposition angeordnet sind sowie einen Austrittsabschnitt (15c) umfassen, in welchem die Eindruckköpfe (21) verfahrbar sind, wenn sie für den Druckbetrieb nicht mehr benötigt werden. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Eindruckfläche (22) eine erhabene Druckfläche für das Drucken im Hochdruck umfasst, und dass eine Gegendruckwalze (2) vorgesehen ist, die mit der Druckwalze (1) einen Walzenspalt bildet, durch welchen ein mit einem Eindruck zu versehendes Produkt zwischen Druckwalze (1) und Gegendruckwalze (2) transportiert wird. - Vorrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass der Eindruckkopf (21) eine Offsetdruckplatte trägt, die die Eindruckfläche (22) bildet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/335,369 US6347582B1 (en) | 1999-06-17 | 1999-06-17 | Rotary imprint printing system |
US335369 | 1999-06-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1060882A1 EP1060882A1 (de) | 2000-12-20 |
EP1060882B1 true EP1060882B1 (de) | 2002-10-23 |
Family
ID=23311492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00111001A Expired - Lifetime EP1060882B1 (de) | 1999-06-17 | 2000-05-30 | Eindrucksystem in einer Rotationsdruckmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US6347582B1 (de) |
EP (1) | EP1060882B1 (de) |
JP (1) | JP2001010019A (de) |
DE (2) | DE50000667D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7011021B2 (en) * | 2001-09-10 | 2006-03-14 | Day International, Inc. | Printing blanket sleeve with replaceable printing surface |
US6799511B2 (en) | 2002-12-03 | 2004-10-05 | Day International, Inc. | Gapless compressible cylinder assembly |
DE102018122157A1 (de) * | 2018-09-11 | 2020-03-12 | Koenig & Bauer Ag | Bogendruckmaschine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816503A (en) * | 1957-12-17 | Printing cylinders-with dual position printing plates | ||
US1791451A (en) * | 1931-02-03 | kohler | ||
DE567173C (de) | 1932-12-29 | Fallert & Co A G | Vorrichtung zum periodischen Markieren von Drucksachen in einer Rotationsdruckmaschine fuer Papierbahnen | |
US1196729A (en) * | 1914-10-21 | 1916-08-29 | Henry E Barroll | Printing-machine. |
US2204971A (en) | 1938-04-27 | 1940-06-18 | Pitney Bowes Postage Meter Co | Disappearing printing die control |
DE1105888B (de) | 1957-03-22 | 1961-05-04 | Stempelfabrik Wolf & Co | Einrichtung an Drucktrommeln zum Abstempeln von Schichtkoerpern, beispielsweise Blechen oder Folien aus Metall |
US3181456A (en) * | 1961-08-24 | 1965-05-04 | Pannier Corp | Flexographic rotary printing cylinder with retractable dies |
US3401627A (en) * | 1967-01-04 | 1968-09-17 | Cheshire Inc | Addressing machine having radially movable imprinting means |
DE1801638A1 (de) | 1968-10-07 | 1970-06-11 | Hinniger Automatic Druckmasch | Druck- oder Umdruckzylinder an Rotationsdruckmaschinen |
FR2212238B1 (de) * | 1973-01-02 | 1976-05-14 | Alsacienne Constr Meca | |
DE4031964A1 (de) | 1990-10-09 | 1992-04-23 | Lehmacher & Sohn Masch | Rotationsdruckgeraet |
-
1999
- 1999-06-17 US US09/335,369 patent/US6347582B1/en not_active Expired - Lifetime
-
2000
- 2000-05-30 EP EP00111001A patent/EP1060882B1/de not_active Expired - Lifetime
- 2000-05-30 DE DE50000667T patent/DE50000667D1/de not_active Expired - Lifetime
- 2000-05-30 DE DE10026945A patent/DE10026945A1/de not_active Withdrawn
- 2000-06-16 JP JP2000182160A patent/JP2001010019A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE50000667D1 (de) | 2002-11-28 |
JP2001010019A (ja) | 2001-01-16 |
EP1060882A1 (de) | 2000-12-20 |
US6347582B1 (en) | 2002-02-19 |
DE10026945A1 (de) | 2001-01-04 |
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