EP3079910B1 - Dispositif d'alimentation en encre pourvu d'une lame d'encrier - Google Patents

Dispositif d'alimentation en encre pourvu d'une lame d'encrier Download PDF

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Publication number
EP3079910B1
EP3079910B1 EP14771254.1A EP14771254A EP3079910B1 EP 3079910 B1 EP3079910 B1 EP 3079910B1 EP 14771254 A EP14771254 A EP 14771254A EP 3079910 B1 EP3079910 B1 EP 3079910B1
Authority
EP
European Patent Office
Prior art keywords
ink
knife
frame
blade
holder
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.)
Active
Application number
EP14771254.1A
Other languages
German (de)
English (en)
Other versions
EP3079910A2 (fr
Inventor
Volker Elmar SCHARKUS
Volkmar Rolf Schwitzky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP16171224.5A priority Critical patent/EP3156233B1/fr
Publication of EP3079910A2 publication Critical patent/EP3079910A2/fr
Application granted granted Critical
Publication of EP3079910B1 publication Critical patent/EP3079910B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices
    • B41F9/1081—Doctors, scrapers, or like devices using two or more blades
    • 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
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering 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
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • B41F31/05—Positioning devices therefor
    • 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
    • B41F31/10—Applications of feed or duct rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/061—Inking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices
    • B41F9/1036—Clamping and adjusting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices
    • B41F9/109—Doctors, scrapers, or like devices exchanging doctor blades

Definitions

  • the invention relates to an ink supply device with an ink knife according to the preamble of claim 1.
  • the DE 60 2005 002 142 T2 relates to an ink supply device in the form of an ink fountain with a continuous metering edge, sections under the ink knife which can be moved next to one another by adjusting means are provided for zonal adjustment of the metering gap.
  • Such an inking system is said to be used primarily in intaglio printing.
  • the color knife is preferably made of steel with a thickness of 1 to 3 mm and provided with a ceramic cover. Another goal is the simple replacement of the elements in the event of wear.
  • ink fountain with an ink knife carrier which accommodates ink knife blades next to one another and can be detached from the ink fountain frame as a whole without dismantling the blade blades.
  • the entire knife carrier can be turned or the knife blades in the Knife carriers are rotated so that four edges can be used as metering edges.
  • the DE 69 01 424 U1 relates to a device for setting a wiping squeegee to be turned on a gravure forme cylinder, a shaping of the squeegee by adjusting elements to the z. B. bent surface of the cylinder to be stripped can be adjusted.
  • the DE 36 13 806 A1 discloses a color knife arrangement, with lamella-like color knives fastened next to one another by screws on a receiving part, and this is fixed to a color box beam by means of screws.
  • a cover connected to the receiving part via a base forms a clamping gap with the cover, in which the color knife is clamped. The rear end in the clamping gap does not reach the base located between the receiving part and the cover.
  • EP 0 453 872 A1 discloses a color knife arrangement with a color knife, which consists of a carrier element, a washer and a plurality between the carrier element and the washer by means of first screws fixed tongues is formed.
  • the color knife is attached to a color box by means of second screws. If the tongues wear out, the color knife is removed and, after loosening the first screws, the tongues are set up so that the front edge of the tongues is again in a starting position.
  • the DE 91 09 785 U1 relates to a squeegee device for applying line on paper. It comprises a doctor blade which is clamped in a holding device between two jaws and is thus free at the end with the rear edge in the holder, that is to say it is not attached to limit the path.
  • WO 02/16138 A1 discloses an ink supply device in which individual ink knives are fixed to a knife holder in each case by being clamped against a knife holder fixed stop by a screw from a rear end.
  • EP 1 057 629 A2 discloses an ink supply device, an ink tray attachment being removably arranged on a base support carrying a plurality of ink knives.
  • the former has handles in the region of its front ends.
  • the DE 2 709 194 A1 discloses an apparatus for inserting a squeegee into a squeegee holder.
  • a holder is opened, the squeegee between a lower and an upper bracket part with the dosing edge against a squeegee stop and finally closed the bracket.
  • the open doctor blade holder to be loaded is then moved against the holder in such a way that it rests in the area of a system stop. Finally, in this relative position between the squeegee and the squeegee holder, the latter is closed.
  • a metering bar is formed by a plurality of base plates arranged next to one another and movable in the direction of the roller, on each of which a plurality of slide elements which are movable in the direction of the roller on the respective base plate are arranged.
  • the movement of the slide elements is limited forward and backward by a stop engaging in a recess.
  • the invention has for its object a paint supply device with an ink knife to accomplish.
  • the proposed solution provides quick and / or simple and / or inexpensive handling of a zonally adjustable ink supply device comprising a one-part or multi-part color meter.
  • the adjusting elements can be set in advance so that the zero position of the adjusting means or their drives does not have to be reset each time the knife is changed. This also prevents wear on the possibly more expensive actuators themselves.
  • the color knife can be separated from the adjusting means, the knife can be used as a metering edge on several of its edges.
  • a gill gap accommodating the ink knife is designed with an oversize in its length, so that when the ink knife is ready for use it does not end in the clamping gap, ie with its end opposite the metering edge strikes. This is a correct and easy readjustment of the knife in its longitudinal direction in z.
  • the ink knife In order to enable an easily reproducible arrangement of the ink knife, it is arranged in the ink fountain on a knife holder which can be detached therefrom and which can also be fitted precisely into an assembly device. This means that a new, rotated or re-sharpened color knife can be installed in the knife holder exactly and without errors, as it is then used in the ink fountain. With a single mounting device, several or all of the ink knives can be adjusted for all ink fountains of the printing press of the same type and the same design, and possibly also for other machines with the same ink fountain type.
  • the color meter detects the area outside the adjusting means, i. H. the nominal size, protrudes and rests on both sides on non-adjustable guide rails, a side seal is easily created.
  • the adjusting means have a possible total adjustment path which is significantly larger than that which is absolutely necessary for the operational opening and closing of the gap.
  • the adjustment path not used for the adjustment in printing operation can be used to readjust the zero position, e.g. B. necessary because of wear of the ink knife edge.
  • the zero positions can be adjusted directly with the actuators of the actuating means. Only when the entire setting range has been fully used is the color knife in question to be turned or turned over, or exchanged for a new knife or a newly sharpened knife. For this purpose, the original zero position of the actuating means must then be approached again.
  • the preferred one-piece and / or continuous design of the color knife and / or its metering edge completely prevents passage through slot-like interruptions, as can occur in a multi-part or slotted version of the color knife.
  • the continuous metering edge creates a course of a zonal color profile with smoother transitions
  • an ink supply device for an inking unit of a printing press, it comprises a one-part or multi-part frame, a knife holder arranged or arrangable on the frame, a single or multi-part ink knife in the assembled state, the width of which extends over at least one nominal width of the ink supply device, which in assembled state in a clamping gap of the knife holder and detachably connected to it, and which extends in a longitudinal direction from a holder-side end to a holder-distal end, wherein at its holder-distal end there is a continuous metering edge which at least extends over the nominal diameter or is interrupted in sections includes.
  • this ink supply device comprises front side walls, which can laterally limit or limit an ink supply space which, in the operating state of the ink supply device, is delimited in a lower area by the ink knife arranged in or on the knife holder, a plurality of adjusting means arranged next to one another in the width of the ink knife, um to be able to vary and / or vary the one-part or multi-part ink knife in sections, at least in the area of the metering edge, at a distance from the circumference of an inking unit roller to be inked by the ink supply device
  • Clamping gap with an oversize in its length limiting the movement of the ink knife is designed so that when the ink knife is ready for use it does not strike the end, i.e.
  • a direction of movement towards the metering edge and / or towards the inking unit roller is provided with a stop which is fixed to the frame and which in particular limits the knife holder in a direction of movement towards the metering edge and / or towards the inking unit roller and which interacts with a stop surface fixed to the knife holder and against which the knife holder is to be taken its operating position can be moved and / or acted upon by actuation of a fastening mechanism comprised by a fastening device.
  • a clamping element movably mounted on the frame of the ink supply device is provided for attaching and detaching the knife holder.
  • This makes it possible, for example, to move the knife holder in the direction of the metering edge without changing the position in the other direction.
  • the movement of the clamping element z. B. a movement of a second clamping element and / or the knife holder used with at least one movement component, preferably exactly or substantially (ie with at most ⁇ 10 ° directional deviation from the longitudinal direction) in the longitudinal direction of the metering knife in the direction of the metering edge.
  • a particularly advantageous mounting device for the defined mounting of a color knife comprising a metering edge on a knife holder of an ink supply device for an inking unit of a printing press
  • a holding section on or in which the knife holder or at least part of one multi-part knife holder can be used in a defined position with a stop surface against a holder stop which limits the movement in the direction of the color knife to be mounted
  • a system section rigidly connected to the holding section via a one-part or multi-part frame, on or in which the single-part or multi-part color knife to be mounted can be placed with its dosing edge against a knife stop
  • the shape and relative position between the holder stop and knife stop in the manner of a Assembly gauges are set such that the knife holder or part of the multi-part knife holder used in the holding device and the knife placed on the knife stop already considered in a non-connected state at least in a longitudinal direction of the color
  • this comprises an ink supply device with a frame on which a knife holder is detachably arranged, which in the assembled state carries a one- or multi-part color knife, the front end of which is above the knife holder protrudes and forms a continuous or interrupted metering edge, the knife holder being releasably arranged in a defined position and position on the frame using a stop device.
  • this preferred system has a mounting device with a frame, on which the knife holder for mounting the color knife can be detachably arranged, the knife holder being releasably arranged on the frame using a stop device in a defined relative position and position to a metering-edge-side knife stop, the shape and the relative position between the stop device for the mounting device and the knife stop in the manner of an assembly jig are set such that the knife holder and the color knife assume a defined and reproducible relative position to one another in a still unconnected state, and in which they can subsequently be connected to one another, and the im connected state assumed relative position between the knife holder and the color knife is dimensioned such that the color knife is inserted in the ink supply device, and against the Stop device struck state assumes a reproducible position previously predetermined by the mounting device.
  • a metering edge of a one-part or multi-part ink knife which is effective for ink metering, is renewed in an ink feed device of a printing press, the width of which overall extends over at least one nominal width of the ink feed device, first of all a knife holder carrying the ink knife together with the ink knife from the Ink supply device is removed, the metering edge effective for ink metering is renewed by re-sharpening the color knife still arranged on or detached from the knife holder at the end comprising the metering edge, as a result of which a metering edge renewed by working up is formed in the region of this end before inserting the knife holder the relative position between the knife holder and the color knife, in particular re-sharpened in this way, is readjusted with regard to the position of the new metering edge when the connection is released and the connection is established with the adjusted relative position is set, and finally the knife holder together with the color knife in a defined position and
  • the metering edge of the one or more part color knife that is effective for color metering can be renewed in accordance with one of the above-mentioned, particularly advantageous methods of renewal.
  • a printing press 01 e.g. B. executed as a web printing machine or preferably a sheet-fed printing machine, comprises a printing unit 02, z. B. a printing unit 02, which or which is supplied on the input side by a feed device 03 with a preferably sheet or possibly web-shaped printing material 04 and through which the printing material 04 is printed on one or both sides in one or more colors, and a product delivery 06 which printed products or intermediate products are laid out in stacks or continuously (see e.g. Fig. 1 ).
  • printing machine 01 is designed as printing machine 01 for security printing, for example for printing web-shaped printing material 04, e.g. B. a printing web, but preferably for printing on sheet-shaped printing material 04, z.
  • the feed device 03 is z. B. is designed as a sheet feeder 03, in which a stack of the substrate sheets 04 to be fed and printed is arranged and / or can be arranged.
  • the product delivery 06 can be designed as a sheet delivery 06 forming one or more stacks.
  • the printing unit 02 of the printing machine which is preferably designed as a security printing machine 01, can in principle be designed as a printing unit 02 based on any printing method. It comprises at least two printing unit cylinders 07; 08. At least one of the printing unit cylinders 07 is designed as a printing form cylinder 07, which carries on its circumference a printing form of the print image to be printed and which is directly or indirectly, ie directly or via a train of one or more further cylinders 09; 11, can be colored by at least one inking unit 12 with printing ink of at least one color.
  • the printing form can be designed as a planographic printing, high-pressure or preferably gravure printing form and can be formed directly as part of the cylinder jacket or, preferably, as a printing plate to be releasably attached to the printing form cylinder 07.
  • the printing form cylinder 07 interacts with a wiping cylinder, not designated, by means of which the excess ink is removed from the printing form so that it only remains in the recesses of the engraving.
  • the printing material 04 to be printed is preferably designed as paper which is formed with fibers made of textile, linen or hemp and / or preferably comprises positive and / or negative watermarks in the still unprinted state.
  • the printing material sheets 04 present in the preferred case of a sheet-fed printing machine are stored as a stack in the feed device 03 designed as a sheet feeder 03, from which they are fed by a gripping device 11 which is not further detailed and which, for. B. suction cups, individually recorded and isolated over a conveyor line 12, z. B. a conveyor system designed as a belt system with one or more belt sections and / or at least one table close to the entry area of the printing unit 02, are promoted for entry into the printing unit 02.
  • the printing material sheet 04 is conveyed to a conveyor line assigned to the printing unit 02, e.g. B.
  • a delivery system assigned to the printing unit 02 through which the printing material sheet 04, short sheet 04, passes one or possibly several printing points along its transport path before it passes from the delivery line assigned to the printing unit 02 to a third delivery line 13, e.g. B. comprising a conveyor system designed as a belt system, handed over and through this to the product display 06, z. B. one or more sheet trays for stacking comprehensive product display 06 is transported.
  • the conveyor line assigned to the printing unit 02 is in the preferred case of a sheet-fed printing machine, for. B. designed as a gripper system in which the substrate sheet 02 over one or more successive drums and / or cylinders in the transport direction z. B. transport drums and / or cylinders, along the transport path through the printing unit 02 is promoted.
  • a printing form cylinder 08 designed as an impression cylinder 08 is also effective as a transport cylinder and has gripping devices (not shown here) in the peripheral region.
  • the printing unit 02 is designed as a printing unit 02 for at least one-sided printing using an Orlof process and / or for at least one-sided printing using a gravure printing process, in particular for steel intaglio printing (see, for example, Fig. 1 ).
  • the printing unit 02 comprises, in addition to the printing unit cylinder 07 designed as a printing form cylinder 07 upstream - as far as the effective transport direction of the printing ink is concerned - an ink collecting cylinder or Orlof cylinder 09 that colors the printing form cylinder 07 and the - e.g. B. in the case of preferred sheet printing, the gripping devices comprising - impression cylinder 09, which forms the printing point with the printing forme cylinder 07.
  • the impression cylinder 09 could also be designed as a printing unit cylinder 09 of a printing unit printing on the other side of the printing material 04, in particular an offset printing unit, which in turn was used by the printing form cylinder 07 as an impression cylinder.
  • the impression cylinder 09 can also be designed without gripping devices in the case of a design of the printing press 01 as a web printing press.
  • the counter-pressure, printing form and ink collecting cylinders 08; 07; 09 here, based on the number of print lengths or benefits that can be printed in one revolution, e.g. B. each triple (3: 3: 3) trained. In variants, they can all be double or quadruple in size, or with different sizes, e.g. B. in the above order 2: 2: 4 or 2: 3: 3 or 3: 3: 4 or 3: 4: 4.
  • the printing form cylinder 07 carries, in operation, on its periphery one after the other a number of printing forms designed as detachable printing plates, corresponding to the number of the uses.
  • the respective printing form carries the print pattern on its outside, e.g. B. the engraving of a printed image.
  • the one with the printing forme cylinder 07 in multi-color inking Ink collecting cylinder 08 has, for example, an elastically and / or compressibly deformable surface, e.g. B. a rubber-containing surface.
  • the printing sections or benefits can on a continuous circumferential surface, for. B. a sleeve-like rubber blanket, a single finite rubber blanket that extends over almost the entire circumference, or on several, e.g. B. as in Fig. 1 indicated, preferably one printing blanket per use, in this case three printing blankets.
  • this acts in the print-on position or position for its multicolored coloring with a plurality of cylinders 11, preferably designed as a color selection cylinder 11, also referred to as a stencil cylinder 11, which are used to color them with several, e.g. B. a corresponding to the number of cylinders 11 number of inking units 12 to their one or possibly two-color (iris print) coloring together.
  • the template cylinder 11 are on their surface with templates, for. B. in the manner of a high-pressure form with a relief of a contour corresponding to the color or color combination in question for the color pattern of the color or color combination relating to the print image sections. In the above sense, they are preferably only of simple size.
  • the stencil cylinders 11 can be assigned any inking units 12 for coloring them, provided that they each have at least one ink supply device 17, z. B. with an inking roller 18 cooperating ink fountain 17 include.
  • the ink fountain 17 and the inking roller 18 acting together can be viewed together as an ink supply and metering device 19, by means of which the amount of printing ink to be entered into the inking unit 12 and / or printing unit can be adjusted zonally.
  • any single or multi-pass roller system can be provided between the ink fountain 17 and the stencil cylinder 11.
  • ink feed and Dosing device 19 is shown here in connection with a printing unit of a printing unit 02 which is advantageously designed as an intaglio printing unit 02, the design is to be transferred to inking units 12 and printing units or printing units 02 of any configuration.
  • the inking units 12 are designed as so-called short inking units 12, the stencil cylinders 11 being upstream in print on by one, or preferably in parallel, by several, e.g. B. two, inking rollers 21, in particular inking rollers 21, are colored, which in turn the color - z. B. without further intermediate rollers - from the above.
  • Inking roller 18, e.g. B. duct roller 18, ago receives or received.
  • At least one changeable roller 22, e.g. B. friction roller 22 may be provided.
  • the duct roller 18 interacts to meter the inking of the ink supply device 17, which is preferably designed as an ink fountain 17, as described below.
  • the ink supply device 17 comprises a one-part or multi-part frame 23, for. B. ink fountain frame 23, which is stationary or preferably pivotable on one of the inking rollers 18; 21; 22 on corresponding bearing devices supporting frame 24, z. B. a side frame 24, stored and / or storable in a manner not shown.
  • the preferably pivotally mounted inking unit frame 24 is, for. B. about a pivot axis A between an operating position in which the ink fountain 17 is in the working position, and a maintenance position in which the ink fountain 17 can be cleaned, for example, pivotable.
  • the color knife 26 can be designed interrupted at least in the area of the metering edge 27, in a first alternative a color knife 26 which is integral over the nominal width b N with tongue-like sections 29 i , z. B. knife sections 29 i , which are formed, for example, by slitting from the metering edge.
  • the color knife 26 can be made up of a plurality of individual sections 29 i , z. B. knife sections 29 i , formed.
  • the ink fountain 17 comprises an ink knife 26 which extends over the entire nominal width b N of the ink fountain 17 - that is to say over the width of the ink fountain 17, on which a metered ink delivery to a cooperating ink roller 18 is provided for operation - which has at least this nominal diameter b N has a continuous dosing edge 26.
  • the edge of the ink knife 26 which is closest to the inking roller 18 during operation and which forms a metering gap 42 therewith.
  • passage through slot-like interruptions, as can occur in the first embodiment of the color knife 26, is completely ruled out.
  • the continuous metering edge 27 creates a course of a zonally set color profile with smoother transitions. This can improve print quality in critical graphic areas.
  • the "nominal width" b N here denotes that width of the ink supply device 17 which can be described by the manufacturer as a usable inking width and / or on which, due to the design, a controlled ink application to the inking roller 18 can and / or should take place.
  • the continuous or interrupted metering edge 27 then has, for example, at least or exactly this nominal width b N , which can then also be understood as the “effective width” of the color meter. Even if lateral areas - for example for fastening, transport or guiding purposes - should laterally extend beyond the width of the metering edge, in case of doubt the term width b26 of the color knife 26 should mean its effective width, i.e. the width of the effective metering edge 27 be understood.
  • adjusting means 31 arranged next to one another, viewed in the direction of the nominal width b N of the color box 17, for. B.
  • control lever 31 provided to vary and / or vary the sections 29 i of the one-part or multi-part ink knife 26 at least in the area of the metering edge 27 in the respective distance a i occupied in the operating position to the circumference of the inking roller 18 to be inked by the ink supply device 17 to be able to.
  • This distance a i forms the present gap dimension a i .
  • the sections 29 i to be set do not represent individual sections 29 i or zones 29 i of a specific width, but rather sections assigned geometrically to the respective setting means 31 and defined by the arrangement and design of the setting means 31 29 i or zones in the figurative sense on the continuous color meter 26. B. be referred to as fictional or resulting sections 29 i or zones.
  • the gap dimension a i z. B an effective gap dimension a i , formed by the geometric mean over the width of the fictitious section 29 i defined above.
  • the gap dimension is however preferably a limitation of the adjustment path is provided, so that at no point in the section width a minimum distance of z. B. falls below 0.02 mm.
  • the continuous color knife 26 is made of metal, preferably entirely or at least in the region of the metering edge 27 of a steel with a hardness of at least 55, preferably at least 60 HRC. At least in the region of its end comprising the metering edge 27, it has e.g. B. no additional coating on and / or is homogeneously formed by a uniform material. It can be reground in the area of the ends without changing its effect and / or property. It has a material thickness of 0.5 to 4 mm, in particular 1 to, over its entire width and length or at least in the area adjoining the metering edge 27 and interacting with the adjusting means 31 and possibly the edge area at the opposite end 3 mm.
  • the deformation of the color knife can still follow this adjustment without problems, ie at least on the adjacent adjusting means 31 there is a point of contact between the actuating means 31 and the color knife 26.
  • an adjustment of 100% of the actuating range ⁇ S can be carried out without, for example, the one of the three actuating means 31 that is furthest away from the colorimeter 26 making any contact with the adjusting means loses.
  • the middle control element 31 should be set contactlessly or approximately to the height of the resulting bending line.
  • the actuating means 31 can basically be purely manual, e.g. B. via levers and / or adjusting screws, actuating means 31 to be operated, or preferably by remote-controlled actuators 32, possibly also via gear parts such. B. lever and / or set screws, actuating means 31 to be formed.
  • the drive which is only indicated schematically, can preferably comprise an actuator 32 designed as an electric motor.
  • the actuating means 31 can in principle be shaped arbitrarily at their end which interacts with the color knife 26 or the relevant section 29 i .
  • the adjusting means 31 comprising a surface facing and closest to the section 29 i , the profile of which runs parallel to the metering edge 27 over a width which is at least one third, advantageously at least half, preferably at least two thirds of the width of the Section 29 i corresponds, at most by 0.30, preferably at most 0.20 mm, to the distance from section 29 i or to the highest point.
  • a convex profile is preferably provided on this width, which slopes away in the edge regions from the highest point closest to section 29 i or the first touching point.
  • such a convex profile extends over a width which, apart from the gap-shaped spaces required for mobility, corresponds entirely, ie at least 99%, to the section width, and which in the edge regions is at least 0.10 and at most 0.30 mm from the highest point closest to section 29 i or the first touching point (see e.g. Fig. 10 ).
  • the one- or multi-part color knife 26 is received in the assembled state by a knife holder 28 and releasably connected to it.
  • the connection between ink knife 26 and knife holder 28 can in principle be non-positive (e.g. by clamping) and / or positive (e.g. by corresponding shaping or holding means).
  • the farm eater 26 is preferably clamped between two clamping legs, which form a clamping gap 45 between them, which is delimited on the back, for example, by a connecting section or connecting means.
  • the clamping gap 45 or its gap length l45 is understood to be the length of the gap into which a color knife 26 can immerse to a maximum.
  • the knife holder 28 is ready for operation. H. ready to use, mounted color knife 26 in the knife holder 28 only non-positively against movement in its longitudinal direction, d. h both against movement in the direction further into and out of the knife holder 28. It is formed on its holder-side end without a positive engagement with a knife holder 28 opposing a longitudinal movement and / or without contact to a stop opposing a longitudinal movement.
  • the clamping gap 45 is, for. B. executed with a greater length I45 than would be required to accommodate the ready-mounted color knife 26.
  • the extent of the color knife 26 along the metering edge 27 can be greater than its extent from the holder-side to the metering edge-side end, the former extent is used here as its extent in the width direction or as its width b26, the latter extent as its extent in the longitudinal direction or as length l26 designated.
  • the extension characterizing the thickness of the color knife 26 is also referred to as the thickness.
  • the knife holder 28 is in turn detachably arranged and / or arranged on the ink fountain frame 23 via a positive and / or non-positive connection 33.
  • the color knife 26 arranged in or on the mounted knife holder 28, possibly plus a part of the top of the knife holder, together with front side walls 41 (see, for example, Fig. 5 ) and a peripheral portion of the inking roller 18 to be inked z.
  • the knife holder 28 In order to be able to use the knife holder 28 carrying the ink knife 26 - whether it is the same refurbished or turned or a new color knife - in a reproducible manner relative to the frame and / or the inking roller 18, the knife holder 28 is in a direction of movement to the metering edge 27 limit stop device with a frame-fixed stop 34, z. B. holder stop 34 is provided, which interacts with a knife holder fixed stop surface 36 (see, for example, indicated in Fig. 9 With Fig. 6 ).
  • the detachable connection 33 between the knife holder 28 and the ink fountain frame 23 can be implemented in any manner, for example by screwing or another form-fit.
  • a fastening device 37 is preferably provided, by means of which the knife holder 28 can be moved against and / or fixed to the stop 34 which is fixed to the frame, preferably arranged in relation to the knife holder 28 on the front.
  • connection 33 advantageously comprises a fastening device 37 in the form of a — preferably spring-preloaded — clamping device 37, by means of which the knife holder 28 is securely placed on the stop 34 provided.
  • the clamping device is preferably biased in the direction of the active clamping action.
  • the spring preload can in principle be brought about by any spring element, but in the embodiment shown it is designed as a compression spring.
  • the fastening device 37 comprises a mechanism 38, in particular a - preferably spring-loaded - wedge drive 38, by means of which the knife holder 28 thus against the frame-fixed front stop 34 and at the same time at least against another knife holder 28 z. B. on the top or bottom of the supporting frame part 39 can be acted upon with force, so that it assumes a defined and / or reproducible position with respect to the frame 23 in the operating state. Stop 34 and the support surface of the frame part 39 are arranged such that when the connection 33 is closed, for. B. with loaded wedge drive 38, prevent movement of the knife holder 28 in any direction perpendicular to the alignment of the metering edge 27.
  • the wedge drive 38 can be supported, for example by means of a first wedge 38.1 attributable to the frame 23, on the frame side against an abutment 44 fixed against a deflection in a direction pointing away from the metering edge 27.
  • the expression 'attributable to the frame' means that the first wedge 38.1 is structurally assigned to the frame 23, that is to say is arranged on it, even if it can be or is movably mounted on the frame for carrying out the actuating or clamping movement.
  • first wedge 38.1 is structurally assigned to the frame 23, that is to say is arranged on it, even if it can be or is movably mounted on the frame for carrying out the actuating or clamping movement.
  • this first wedge 38.1 acts as a first clamping element 38.1 on the side of its, preferably wedge-shaped, active surface with a, preferably wedge-like, active surface of a second wedge 38.2 as a second clamping element 38.2 as a clamping device designed as a wedge drive 38.
  • the second clamping element 38.2 can in principle also support the frame 23 to be attributed, but in particular be mounted so that it can move at least with one component in the direction of the metering gap, the second clamping element 38.2 pressing against the knife holder 28.
  • it can instead be provided on the knife holder 38.2, which can then be designed as part of or as an attachment to the knife holder 28.
  • At least one, preferably both, active surfaces of the clamping elements 38.1; 39.2 be wedge-shaped.
  • the knife holder 28 is designed in the manner of an insert which has at least one lower part in a corresponding recess 43 in an otherwise z. B. essentially closed top of the one- or multi-part frame 23 can be used.
  • the stop 34 forms the boundary of the depression, in the opposite direction of the z. B. the wedge drive 38 supporting abutment 44.
  • the latter can form an optionally detachable frame part as a correspondingly shaped part of the adjoining frame part or in the manner of a back bar 44.
  • the frame part 39 forming and / or at least encompassing the support surface is provided in the recess 43 delimited on the front and back by the stop 34 and the abutment 44.
  • the fastening device 37 can a cross locking - z. B. in the manner of a bayonet lock - which, before removal and / or, depending on the last position of the cross lock, before inserting the knife holder 28, first requires a transverse movement, ie a movement of a cross bar 46 which is essentially parallel to the metering edge 27.
  • the wedge 38.1 or wedges 38.1 of the wedge drive 38 assigned to the frame 23 is connected to the transverse bolt 46 and is connected to the latter by the transverse movement either engaged with the knife holder or the wedge 38.2 or wedge 38.2 or disengaged.
  • a corresponding entry or attack device 46.1 which can be reached by the operating personnel, can be provided to move the cross bar 46, which is designed, for example, as a bar 46.
  • a fixed and / or on the bar 46 directly or indirectly connected wedge selectively lifting and lowering drive 54 is provided.
  • this can be designed in any manner, for example as a screw drive, but preferably as an eccentric drive 54.
  • the drive takes place by rotating a one-part or multi-part shaft 54.1, which is pivotably mounted, for example in the frame part 39, in particular in the part of the frame part 39 forming the abutment 44, which shaft 54.1 is connected directly or indirectly to one or more of the wedge drives 38, in particular to the plurality Wedge drives 38 associated bar 46, cooperating eccentricity 54.2 includes.
  • This eccentricity 54.2 can be formed by the shape of the shaft 54.1 itself or by an eccentric disk 54.2 connected to it.
  • the one-part or multi-part shaft 54.1 comprises, for example, in an area accessible from outside the frame part 39, an engagement device 54.3 which, for example in the form of a handle, directly or via a tool, e.g. B. a key that engages in a corresponding driving profile, is pivotable.
  • a first clamping element 38.1 is thus provided on the frame 23, which is movably arranged on the frame 23 and can be moved by a drive mechanism 54 such that the first clamping element 38.1 by the movement thereof a movement of a second clamping element 38.2 and / or the knife holder 28 used with at least one movement component in the direction of the metering edge 27, z. B.
  • the second clamping element 38.2 only a part or an attachment of the knife holder 28 or also movably arranged on the frame 23 and in the inserted state of the knife holder 28 can be arranged to cooperate with the latter.
  • the first clamping element 38.1 can be moved by the drive mechanism 54 with at least one movement component away from the metering edge 27, as a result of which the clamping connection between the first clamping element 38.1 and the second clamping element 38.2 and / or the knife holder 28 used is relieved.
  • the clamping element 38.1 can also be formed in a simplified version by a part of the drive mechanism 54 itself, for example by a threaded part, screw base or which cooperates with the knife holder Screw head of a drive mechanism 54 designed as a screw drive 54.
  • the detachable connection between the color knife 26 and knife holder 28 can in principle be designed as desired, it is preferably designed in the manner of a clamp connection 57.
  • the connection is preferably made such that the color knife 26 and the knife holder 28 comprising the holding and / or clamping means are designed to correspond to one another in such a way that the color knife 26, in particular its end opposite the metering edge 27, continuously significant in at least a region of two in the longitudinal direction, ie by z.
  • the color knife 26 can thus be arranged and fixed continuously in different positions on the knife holder 28 within the scope of the above-mentioned adjustment range.
  • the clamping gap 45 and the clamping connection 57 can basically be between two legs of the same clamping body or between clamping legs of two clamping bodies 47; 48 of the knife holder 28 can be formed, which can be moved, for example, in a self-locking embodiment by actuating an actuating means 49 from a tighter clamping position due to internal stress into an open position or, as provided here, vice versa from a position that is open in the de-energized state into a clamping position.
  • a clamping body 47 designed as a clamping strip 47 is provided, on which the color knife 26 extends, for example through a screw drive, for example through a slot running in the longitudinal direction of the knife or a slot provided on the rear edge.
  • B. screw (for example using a clamping washer, e.g. washer) is clamped in a desired relative position.
  • the color knife 26 is clamped by the clamping leg of a clamping body 48 designed as a cover strip 48, by this clamping leg by, for example, a screw drive 49, e.g. B. screw 49 is tightened in the direction of the clamping leg of the terminal block 47.
  • Indentation 43 may be arranged and / or include the wedge on the knife holder side.
  • the color knife 26 can be positioned in the longitudinal direction in a varying position on the knife holder 28 by means of a clamp connection 57 formed in a manner mentioned above with an oversize in the length of the clamp gap 45 in the region of the holder-side end.
  • the clamping gap 45 is preferably designed with an oversize in its length, so that when the color knife 26 is mounted ready for operation, it does not have an end, ie. H. with its end opposite the metering edge 27, strikes in the clamping gap 45. In particular, this should not strike against a rigid, knife holder-fixed path limitation in the manner of an at least one-sided positive connection, which, for. B. would relentlessly prevent any further movement into the gap with loosened adhesion. However, this should not include, for example, a flexible, e.g. B. spring-loaded or elastic rear edge support should be understood, which, for. B.
  • clamp gap 45 as an extension to the exemplary embodiment shown here, with an extension over large parts of the width b26 and with a geometry that is actually essentially gap-shaped in cross section, in the broader sense also any expression of an arrangement of one or more pairs of opposing clamping surfaces be understood, between which the color knife 26 is inserted and clamped.
  • the "length" l45 of the clamping gap 45 can then be understood to be the length on which the color knife 26 is missing with its holder-side end between the clamping surfaces into the knife holder 26 in the longitudinal direction of the color knife 26 without an end stop on the knife holder 28 a rear stop entirely, this length of the clamping gap 45 would be virtually unlimited and thus in any case greater than that required for an operationally mounted color knife 26.
  • this length relates to the length at which a movement occurs in this longitudinal direction at any point along the entire width b26 of the color knife 26. In reverse view, this represents the length of an undisturbed insertion between the pairs of clamping surfaces.
  • the ink fountain 17 or its frame 23 can comprise a front bar 52 on the ink fountain side facing the ink roller 18 to be inked. B. can in turn wear a seal, for example, from an elastic and / or compressible material. Furthermore, a traverse 56 can be provided, which is shown in the above-mentioned. Is mounted fixed or pivotable on the side frames 24 and which carries the remaining parts of the ink fountain 17 or frame 23.
  • At least one handle 58 e.g. B. two handles 58 may be provided. These can be fixed or, in a preferred embodiment, can be optionally attached by attaching and engaging holding elements in correspondingly prepared recesses 59.
  • the mounting device 61 is designed for the defined mounting of a color knife 28 comprising a metering edge 27, as can preferably be designed in an embodiment set out above, on a knife holder 28, as can preferably be designed in a version set out above.
  • the mounting device 61 comprises a holding section 62 with a holding device, on or in which the knife holder 28 or at least part of a multi-part knife holder 28, for. B. an o. G. Terminal block 47, in a defined position with a z. B.
  • Above-mentioned knife holder-side stop surface 36 against a movement of the knife holder 28 in the direction of the color knife 26 to be mounted, with respect to the mounting device 61 frame-fixed holder stop 63 can be used.
  • the mounting device 61 comprises a system section 66 rigidly connected to the holding device of the holding section 62 via a one-part or multi-part frame 64 of the mounting device 61, on or in which the one-piece part to be mounted (see, for example, Fig. 14 ) or multi-part (see e.g. Fig. 16 ) Color knife 28 with its metering edge 27; 27 i can be placed against a knife stop 67.
  • the shape and relative position between the holding device with the holder stop 63 and the contact section 66 with the knife stop 67 are defined in the manner of an assembly jig such that the knife holder 28 used in the holding device and the ink knife 26 applied to the knife stop 67 are already in an unconnected state, at least in one running perpendicular to the metering edge 27 Considered in the longitudinal direction of the color knife 26, they assume a relative position to one another that is desired for assembly and that is defined and reproducible by assembly device 61.
  • the knife stop 67 is preferably variable in terms of its distance from the holder stop 63, in particular at least adjustable, and / or arranged on the frame 64.
  • the knife holder 28 corresponds to the above. one-piece or multi-piece knife holder 28 and / or comprises, in a manner corresponding to the above-mentioned, holding means for fastening the single-piece or multi-piece color knife 26, in particular in the form of a clamping connection 57 described above and comprising a clamping gap 45 with, for example, a clamping and a cover strip 57 ; 58th
  • the color knife 26 and the knife holder 28 comprising the holding means are again designed in a manner set out above to correspond to one another with an excess in the clamping gap length in such a way that the color knife 28 continuously in the longitudinal direction within at least a region of two significantly in the longitudinal direction, i. H. at z. B. at least 3 mm, spaced relative positions on the knife holder 28 can be arranged and clamped.
  • the statements made above are to be applied accordingly here.
  • the knife holder 28 is preferably of multiple parts and comprises two strips 57; 58, e.g. B. a clamping strip 57 and a cover strip 58, between which the - preferably formed in the longitudinal direction with oversize - clamping gap 45 is formed, in which the one- or multi-part color knife 26 is clamped in the assembled state.
  • the color knife 26 can comprise a plurality of elongated holes or end slots which are spaced apart from one another in the transverse direction of the color knife 26 and each run in the longitudinal direction of the color knife 26 and which, in the clamped state, are penetrated by holding means, for example a sleeve or screw 49.
  • holding means for example a sleeve or screw 49.
  • the color knife 26 is preferably only clamped without it having slots or elongated holes through which holding means pass through in the assembled state.
  • the holding means 49 for example in the form of a screw 49, then preferably engages outside the holder-side end of the color knife 26 on the two legs of the one-part or preferably multi-part knife holder 26 in order to clamp the color knife 26 between them in the assembled state.
  • the mounting device 61 comprises for detachable connection between the knife holder 28 or a part, for example the cover or preferably clamping strip 57 of the multi-part knife holder 28 and the mounting device 61 in the region of its holding section 62, a fastening device 68, preferably a clamping device 68, through which the knife holder 28 or the part, for example the cover or preferably terminal block 57, of the multi-part knife holder 28 against the frame fixed with respect to the mounting device 61, a stop 63 which limits the knife holder 28 or a part in a direction of movement towards the knife stop 67 and / or can be fixed thereon.
  • the fastening device 68 comprises a mechanism 69, in particular a wedge drive 69, by means of which the knife holder 28 thus against the front-mounted stop 63 and at the same time against at least one further, the knife holder 28 z.
  • supporting part 71 defined on the top or bottom side can be acted upon with force, so that in the fixed state it assumes a defined and / or reproducible position with respect to the frame 64.
  • the reproducibility of the position can be prevented by a relative transverse movement between the terminal block 57 or cover strip 58 or at least strongly restricting stop device, e.g. B.
  • the positioning pin 65 can be provided in the cover strip 58 or preferably in the terminal strip 57 (e.g. Fig. 13 ).
  • the stop 63 and the support surface of the frame part 71 are arranged such that when the connection is closed, for. B. with loaded wedge drive 69, a movement of the knife holder 28 or its part, z. B. preferably the terminal block 57, in any direction perpendicular to the orientation of the metering edge 27 to prevent.
  • Wedge drive 69 includes knife holder 28, for example associated wedge, which cooperates with a wedge 72 to be assigned to the mounting device 61.
  • the wedge 72 to be attributed to the mounting device 61 can be designed, for example, in the form of a frustoconical disk 72 which can be moved axially by a screw drive 73.
  • a screw engages in a thread provided in the frame 64, in particular the frame part 71, on which the disk 72 is arranged coaxially in a rotationally fixed or, if appropriate, rotatable manner.
  • the screw is connected, for example, to at least one handle 74.
  • an optionally adjustable side stop 76 can be provided on one side, against which the color knife 26 is arranged by a drive 77 arranged on the opposite side, e.g. B. clamp and / or wedge drive 77, can be determined.
  • the rack 64 can be mounted on a solid base or on a base 78.
  • a system for feeding and metering printing ink into an inking unit 12 of a printing press can thus include an ink feed device 19 and an assembly device 61, the ink feed device 19 comprising a frame 23 on which a Knife holder 28 is detachably arranged, which carries a one-piece or multi-part color knife 26 in the assembled state, the front end of which protrudes beyond the knife holder 28 and forms a continuous or interrupted metering edge 27, the knife holder 28 being detachable in a defined position and position by means of a stop device can be arranged on the frame 23.
  • the mounting device 61 comprises a frame 64, on which the knife holder 28 for mounting the color knife 26 can be detachably arranged, the knife holder 28 being releasably arranged on the frame 61 in a defined relative position and position relative to a knife stop 67, using a stop device, the shape and relative position between the stop device for the mounting device 61 and the knife stop 67 being fixed in the manner of an assembly gauge such that the knife holder 28 and the color knife 26 define a defined one in the still unconnected state and reproducible relative position to each other, and in which they can then be connected to each other.
  • the ink supply device 19 and mounting device 61 of the system can be designed in detail as set out above.
  • the one- or multi-part color knife 26 can be such. B. in 17 and 18 shown have a width b26 corresponding to the nominal width b N , the sections 26 i of the continuous or multi-part ink knife 26 forming the zonally adjustable inking unit width in total.
  • a z. B. L-shaped sealing element 79 for. B. an L-rail 79 may be provided, the top of which is substantially aligned with the top of the adjacent knife section 26 i in the zero position and which with the inking roller 18 in the operating position only a slight gap of z. B. at most 0.08 mm, preferably at most 0.06 mm.
  • the sealing piece 79 is, for.
  • the clamping mechanism is designed, for example, in such a way that the one-part or multi-part side wall on its outside is supported on an outer frame part 81 of the frame 23 when inserted into the ink supply device and experiences an inward force in the direction of the ink knife 26.
  • the ink knife 26 is then laterally sealed off from the sealing element 79 to the side wall 41.
  • the knife holder 28 comprising the color knife 26 can be installed and removed as a result of the transverse movable sealing elements without lateral jamming.
  • the color knife 26 can have a width B26, at least in the area of the metering edge 27, which is larger than the nominal width bN, z. B. on both sides by 2 to 10 mm wider, be formed and in the installed position in the respective edge area with the protrusion on a frame-fixed support 82, z. B. guide bar 82 come to rest (see e.g. Fig. 19 and 17 ).
  • the guide bar 82 can in this case be firmly connected to the outer frame part 81 and / or be arranged such that the part of the ink knife 26 lying in the operating position of the ink supply device 17 has only a slight gap of z. B. at most 0.08 mm, preferably at most 0.06 mm, with the inking roller 18.
  • the knife holder 28 comprising the color knife 26 can be installed and removed particularly easily without lateral jamming.
  • the knife holder 28 carrying the color knife 26 together with the color knife 26 is first removed from the color feed device 19.
  • the effective for color dosing metering 27 can now z. B. can be renewed by - after removing the knife holder 28 from the ink supply device 17, the color knife 26, which is still arranged on the knife holder 28 or has already been loosened from it, is reground at the end comprising the metering edge 27, whereby in the region of this end a metering edge 27 'renewed by refurbishment is formed.
  • one end may be up to 10 times, preferably up to 20 times, e.g. B. be reground at least 0.5 mm, in particular by 0.5 to 1.5 mm.
  • a renewal can also take place by releasing the non-positive and / or positive connection between knife holder 28 and color knife 26, removing the color knife 26 from knife holder 28 and by 180 ° in the direction width b26 of the color knife 26 extending body axis (see e.g. schematically in Fig. 21a ) and / or rotated by 180 ° about a body axis extending in the direction of length l26 of the color knife 26 and subsequently inserted again in such a rotated manner and connected again to the knife holder 28 (see z. B. schematically in Fig. 21b ).
  • the one- or multi-part color knife 26 as a whole z. B. flat cuboid with four edges running across the width b26 are thus four metering edges 27 by turning; 27 'can be formed.
  • the turning and regrinding can also be combined to renew the dispensing edge. B. after exhausting the possibilities provided by turning, grinding can be carried out at one or both ends. Subsequently, the metering edge 27 can then be renewed by turning again.
  • the relative position between the knife holder 28 and the color knife 26 is readjusted with regard to the position of the new metering edge 27 'when the connection is released, and the connection is subsequently established with the relative position adjusted. Finally, the knife holder 28 together with the ink knife 26 is reinserted in a defined position and position in the ink feed device 19 and fastened therein.
  • the relative position between knife holder 28 and color knife 26 is preferably adjusted with regard to the position of the new metering edge 27 'when the connection is released by using a mounting device effective in the manner of an assembly gauge, in particular by using a mounting device 61 as described in more detail above.
  • the knife holder 28 is fixed in position and position on the mounting device 61 by means of a stop device and the color knife 26 not yet connected to it is placed on the knife stop 67. After installation, the one-part or multi-part color knife 26 and the knife holder 28 are connected to one another in a form-fitting and / or frictional manner.
  • the adjusting means 31 have a significant, e.g. B. by at least 20% larger actuating range ⁇ S when it would be necessary to set the relevant knife section 26 i by a maximum adjustment path S M between a zero position and a desired maximum position, ie a maximum gap dimension or distance a iM from the circumference of the inking roller 18 to be inked by the ink supply device 17.
  • the zeroing of the gap dimension taking place in such a way that in this zero position of the knife section 29 i the setting means 31 in question in a zero position P0 are located at both ends of the adjustment range s1; s2 of the adjusting means adjustment range ⁇ S significant, e.g. B. is spaced at least 20% of the adjusting means adjustment range.
  • the gap dimension in the knife sections 29 i is checked with the adjusting means 31 in the zero position P0.
  • the actuating means 31 associated with the knife section 29 i concerned is actuated in such a direction that the desired gap dimension a i0 ) representing the closed position is restored.
  • the position P of the adjusting means 31 assumed after the readjustment is defined as the new zero position P0 'of the adjusting means 31.
  • the gap dimension a i0 representing the closed position is preferably greater than 0.00 mm in order to prevent unnecessarily strong abrasion.
  • This gap dimension a i0 is preferably at least 0.02 and at most 0.08 mm, preferably 0.04 to 0.06 mm.
  • the metering edge 27 of the one or more part color knife 26 effective for color metering can be renewed by turning and / or regrinding in accordance with one of the above-mentioned design variants.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Coating Apparatus (AREA)
  • Rotary Presses (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (15)

  1. Dispositif d'alimentation en encre (17) pour un dispositif d'encrage (12) d'une machine à imprimer (01), comprenant :
    - un bâti (23) en une ou plusieurs parties,
    - un porte-lame (28) disposé ou pouvant être disposé sur le bâti (23),
    - une lame d'encrier (26) en une ou plusieurs parties, s'étendant dans l'état monté dans sa largeur (b26) dans son ensemble sur au moins une largeur nominale (bN) du dispositif d'alimentation en encre (17), laquelle, dans l'état monté, est logée dans une fente de serrage (45) du porte-lame (28) et est reliée à celui-ci de manière détachable, et laquelle s'étend dans une direction longitudinale d'une extrémité côté porte-lame à une extrémité éloignée du porte-lame, dans lequel elle comprend à son extrémité éloignée du porte-lame un bord de dosage (27) continu ou interrompu sur certaines parties allant dans l'ensemble au-delà d'au moins la largeur nominale (bN),
    - des parois latérales (41) frontales, qui délimitent ou peuvent délimiter latéralement un espace collecteur d'encre, qui, dans l'état de fonctionnement du dispositif d'alimentation en encre, est délimité dans une zone inférieure par la lame d'encrier (26) disposée dans ou sur le porte-lame (28),
    - une pluralité de moyens de réglage (31) disposés les uns à côté des autres vus dans la largeur (b26) de la lame d'encrier (26), afin de modifier et/ou de pouvoir modifier la lame d'encrier (26) en une ou plusieurs parties sur certaines parties au moins dans la zone du bord de dosage (27) à distance (ai) de la périphérie d'un rouleau de dispositif d'encrage (18) destiné à être encré par le dispositif d'alimentation en encre (17),
    - dans lequel la fente de serrage (45) est réalisée avec un surdimensionnement dans sa longueur limitant le mouvement de la lame d'encrier (26), de sorte que, lorsque la lame d'encrier (26) est montée de manière opérationnelle, celle-ci ne vient pas en butée côté extrémité, c'est-à-dire avec son extrémité opposée au bord de dosage (27), dans la fente de serrage (45) contre un limiteur de course immobile, fixé au porte-lame,
    caractérisé en ce
    qu'un dispositif de butée limitant le porte-lame (28) dans un sens de mouvement en direction du bord de dosage (27) et/ou du rouleau de dispositif d'encrage (18), et pourvu d'une butée (34) fixée au bâti, limitant le porte-lame (28) dans un sens de mouvement en direction du bord de dosage (27) et/ou du rouleau de dispositif d'encrage (18), laquelle coopère avec une surface de butée (36) fixée au porte-lame et contre laquelle le porte-lame (28) peut être déplacé et/ou soumis à l'effet d'une force pour occuper sa position de fonctionnement par actionnement d'un mécanisme de fixation (38) compris par un dispositif de fixation (37), est prévu sur le bâti (23), dans lequel le porte-lame (28) peut être déplacé par le mécanisme de fixation (38) du dispositif de fixation (37) contre la butée (34) fixée au bâti, limitant le sens de mouvement en direction du bord de dosage (27) et/ou du rouleau de dispositif d'encrage (18), et/ou fixé sur celle-ci.
  2. Dispositif d'alimentation en encre (17) selon la revendication 1, caractérisé en ce que le porte-lame (28) est réalisé en plusieurs parties et comprend deux baguettes (57 ; 58), à savoir une baguette de serrage (57) et une baguette de recouvrement (58), entre lesquelles est réalisée une fente de serrage (45), dans laquelle la lame d'encrier en une ou plusieurs parties est serrée dans l'état monté de manière opérationnelle.
  3. Dispositif d'alimentation en encre (17) selon la revendication 1 ou 2, caractérisé en ce qu'un premier élément de serrage (38.1) est prévu sur le bâti (23), lequel peut être déplacé par un mécanisme d'entraînement (54) disposée sur le bâti (23) de façon mobile de telle sorte que, pour la fermeture du dispositif de fixation (37), le premier élément de serrage (38.1) provoque par son mouvement un mouvement d'un deuxième élément de serrage (38.2) s'appuyant contre le porte-lame (28) ou compris par celui-ci en tant qu'une partie ou une pièce rapportée et/ou un mouvement du porte-lame (28) utilisé avec au moins une composante de mouvement en direction du bord de dosage (27).
  4. Dispositif d'alimentation en encre (17) selon la revendication 1, 2 ou 3, caractérisé en ce qu'un entraînement à clavette (38) avec une clavette (38.1) fixée au bâti, c'est-à-dire à ajouter au bâti (23), est prévu en tant que mécanisme de fixation (38), dans lequel un mécanisme d'entraînement (54) sélectivement éloignant et soulevant ou sélectivement éloignant ou soulevant la clavette fixée au bâti est prévu pour libérer et pour fermer le clavetage formé par l'intermédiaire de l'entraînement à clavette (38).
  5. Dispositif d'alimentation en encre (17) selon la revendication 1, caractérisé en ce que le porte-lame (28) est disposé et fixé de manière détachable sur le bâti (23) par l'intermédiaire d'une liaison par coopération de formes et/ou à force (33), de sorte que le porte-lame (28), après la libération de la liaison par coopération de formes et/ou à force (33), conjointement avec la lame d'encrier (26) logée sur celui-ci, est réalisé en tant qu'unité modulaire, c'est-à-dire de manière à pouvoir être séparé du bâti (23) sans démontage préalable de la lame d'encrier (26) et sans les moyens de réglage (31) disposés sur le bâti (23).
  6. Dispositif d'alimentation en encre (17) selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce
    - que la lame d'encrier (26) montée de manière opérationnelle sur le porte-lame (26) est retenue dans le porte-lame (28) uniquement à force à rencontre d'un mouvement dans la direction longitudinale de celle-ci,
    - et/ou que la lame d'encrier (26) montée de manière opérationnelle sur le porte-lame (26) est disposée sur son extrémité côté porte-lame sans coopération de formes, s'opposant à un mouvement longitudinal, avec le porte-lame (28) et/ou sans contact par rapport à une butée s'opposant à un mouvement longitudinal,
    - et/ou qu'une fente de serrage (45) logeant la lame d'encrier (26) est réalisée avec une longueur (45) plus importante que nécessaire pour le logement de la lame d'encrier (26) montée de manière opérationnelle,
    - et/ou que la fente de serrage (45) est réalisée avec un surdimensionnement dans sa longueur de telle sorte que, lorsque la lame d'encrier (26) est montée de manière opérationnelle, celle-ci n'est pas en butée dans la fente de serrage (45) côté extrémité, c'est-à-dire avec son extrémité opposée au bord de dosage (27).
  7. Dispositif d'alimentation en encre (17) selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce que le dispositif de fixation (37) est prévu sous forme d'un dispositif de serrage (37) ou d'un dispositif de serrage (37) précontraint par un ressort et/ou que la butée (34) est disposée frontalement par rapport au porte-lame (28).
  8. Dispositif d'alimentation en encre (17) selon la revendication 1, 2, 3, 4, 5, 6 ou 7, caractérisé en ce que le dispositif de fixation (37) comprend un mécanisme (38), par lequel le porte-lame (28) peut être soumis à l'effet d'une force contre la butée (34) frontale fixée au bâti et au moins contre une autre partie de bâti (39) soutenant le porte-lame de manière définie, de sorte que, dans l'état de fonctionnement, il occupe une position définie et/ou pouvant être reproduite de manière quelconque par rapport au bâti (23).
  9. Dispositif d'alimentation en encre (17) selon la revendication 2, 7 ou 8, caractérisé en ce que le dispositif de fixation (37) comprend comme mécanisme (38) un entraînement à clavette (38) ou entraînement à clavette (38) précontraint par un ressort.
  10. Dispositif d'alimentation en encre (17) selon la revendication 8 ou 9, caractérisé en ce que le porte-lame (28) peut être soumis à l'effet d'une force contre une partie de bâti (39) soutenant de manière définie le porte-lame côté plafond ou fond.
  11. Dispositif d'alimentation en encre (17) selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9 ou 10, caractérisé en ce qu'au moins une poignée de transport (58) est prévue ou est destinée à être disposée de manière détachable sur le porte-lame (28).
  12. Dispositif d'alimentation en encre (17) selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ou 11, caractérisé en ce qu'il est réalisé sous la forme d'un encrier (17) à réglage zonal de l'apport d'encre, dans lequel la lame d'encrier (26) disposée dans ou sur le porte-lame (28) délimite, conjointement avec des parois latérales (41) frontales et une partie périphérique du rouleau de dispositif d'encrage (18) à encrer, l'espace collecteur d'encre.
  13. Dispositif d'alimentation en encre (17) selon l'une ou plusieurs des revendications 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 ou 12, caractérisé en ce que le dispositif d'alimentation en encre (17) est disposé ou peut être disposé en tant que partie d'une machine à imprimer (01) réalisée en tant que machine à imprimer en creux et/ou en tant que partie d'une unité d'impression (02) réalisée pour l'impression en creux et/ou en tant que partie d'un dispositif d'encrage (12) coopérant avec un cylindre de sélection d'encre (11) d'un groupe d'impression pour l'impression en creux indirecte.
  14. Dispositif d'alimentation en encre (17) selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ou 13, caractérisé en ce que la lame d'encrier (26) est réalisée au moins dans la zone de son bord de dosage (27) à partir d'un acier d'une dureté d'au moins 55 HRC et/ou de manière non revêtue et/ou de manière homogène sur toute son épaisseur.
  15. Dispositif d'alimentation en encre (17) selon la revendication 13, caractérisé en ce que le dispositif d'alimentation en encre (17) est disposé ou peut être disposé en tant que partie d'une unité d'impression (02) réalisée pour l'impression en creux sur plaque d'acier et/ou en tant que partie d'un dispositif d'encrage (12) coopérant avec un cylindre de sélection d'encre (11) d'un groupe d'impression en creux Orlof.
EP14771254.1A 2013-12-12 2014-09-16 Dispositif d'alimentation en encre pourvu d'une lame d'encrier Active EP3079910B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16171224.5A EP3156233B1 (fr) 2013-12-12 2014-09-16 Système d'alimentation et de dosage d'encre dans un mécanisme d'encrage d'une imprimante

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013225691.4A DE102013225691B4 (de) 2013-12-12 2013-12-12 System zum Zuführen und Dosieren von Druckfarbe in ein Farbwerk einer Druckmaschine sowie Verfahren zum Erneuern einer zur Farbdosierung wirksamen Dosierkante
PCT/EP2014/069692 WO2015086183A2 (fr) 2013-12-12 2014-09-16 Dispositif d'alimentation en encre pourvu d'un colorimètre

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16171224.5A Division-Into EP3156233B1 (fr) 2013-12-12 2014-09-16 Système d'alimentation et de dosage d'encre dans un mécanisme d'encrage d'une imprimante
EP16171224.5A Division EP3156233B1 (fr) 2013-12-12 2014-09-16 Système d'alimentation et de dosage d'encre dans un mécanisme d'encrage d'une imprimante

Publications (2)

Publication Number Publication Date
EP3079910A2 EP3079910A2 (fr) 2016-10-19
EP3079910B1 true EP3079910B1 (fr) 2020-01-22

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EP16171224.5A Not-in-force EP3156233B1 (fr) 2013-12-12 2014-09-16 Système d'alimentation et de dosage d'encre dans un mécanisme d'encrage d'une imprimante
EP14771254.1A Active EP3079910B1 (fr) 2013-12-12 2014-09-16 Dispositif d'alimentation en encre pourvu d'une lame d'encrier

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Country Status (7)

Country Link
US (1) US9643399B2 (fr)
EP (2) EP3156233B1 (fr)
JP (1) JP6177443B2 (fr)
CN (1) CN105813847B (fr)
DE (1) DE102013225691B4 (fr)
RU (1) RU2667814C1 (fr)
WO (1) WO2015086183A2 (fr)

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ITUA20163914A1 (it) * 2016-05-30 2017-11-30 Celmacch Group S R L Racla per macchina da stampa e suo montaggio
RU2724593C1 (ru) * 2017-06-01 2020-06-25 Ай.Мер Ко., Лтд. Устройство для очистки красочного ящика, печатная машина и способ очистки красочного ящика
DE102017222094A1 (de) 2017-12-06 2019-06-06 Koenig & Bauer Ag Druckwerk einer Druckmaschine und Verfahren zum Betreiben eines Druckwerkes einer Druckmaschine
DE102018130283A1 (de) * 2018-11-29 2020-06-04 Koenig & Bauer Ag Bogentiefdruckmaschine mit mindestens einem Druckwerk zum Bedrucken von Druckbogen
US11440312B2 (en) * 2019-02-05 2022-09-13 Koenig & Bauer Ag Gravure printing units for printing onto substrates by a gravure printing method
TWI694007B (zh) * 2019-06-06 2020-05-21 至善實業股份有限公司 凹版印刷機之同向封閉式刮刀裝置

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Also Published As

Publication number Publication date
EP3079910A2 (fr) 2016-10-19
WO2015086183A2 (fr) 2015-06-18
CN105813847B (zh) 2017-08-04
JP2016539829A (ja) 2016-12-22
JP6177443B2 (ja) 2017-08-09
DE102013225691B4 (de) 2017-11-16
RU2667814C1 (ru) 2018-09-24
EP3156233B1 (fr) 2018-07-25
US20160279926A1 (en) 2016-09-29
US9643399B2 (en) 2017-05-09
CN105813847A (zh) 2016-07-27
EP3156233A1 (fr) 2017-04-19
WO2015086183A3 (fr) 2015-10-29
DE102013225691A1 (de) 2015-06-18

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