EP2461977A1 - Douille d'un cylindre - Google Patents

Douille d'un cylindre

Info

Publication number
EP2461977A1
EP2461977A1 EP10739548A EP10739548A EP2461977A1 EP 2461977 A1 EP2461977 A1 EP 2461977A1 EP 10739548 A EP10739548 A EP 10739548A EP 10739548 A EP10739548 A EP 10739548A EP 2461977 A1 EP2461977 A1 EP 2461977A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
cylinder
printing
sleeves
designed
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.)
Withdrawn
Application number
EP10739548A
Other languages
German (de)
English (en)
Inventor
Peter Schmitt
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.)
KBA Meprint AG
Original Assignee
KBA Meprint 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
Priority claimed from DE102009028202A external-priority patent/DE102009028202A1/de
Application filed by KBA Meprint AG filed Critical KBA Meprint AG
Publication of EP2461977A1 publication Critical patent/EP2461977A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
    • B41P2227/21—Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press

Definitions

  • the invention relates to a sleeve of a cylinder according to the preamble of claim 1.
  • Rotary printing machines operate on a rotary printing principle, such as flexographic printing, offset printing, high-pressure, intaglio printing, etc., in which a printing original of the printing image to be printed is introduced in a lateral surface of one or more forme cylinders or as a pressure plate is mounted on the lateral surface of a forme cylinder, and during the Printing process via an unwinding of the forme cylinder on its outer surface, the print image either directly or via downstream
  • Transfer cylinder is transferred to a substrate.
  • it is also frequently provided to operate the pressure rollers by means of a tempering device at a certain adjustable temperature by flowing through the pressure rollers, for example, by a cooling liquid.
  • Packaging printing creates the opportunity to design different sized packaging. As in particular in the packaging printing mentioned a variety
  • tubular bag packaging different types of packaging such as tubular bag packaging or
  • Folding boxes are used with different shapes and sizes, it is necessary such role-rotary presses manufacturer side to design so that different form cylinder and / or transfer cylinder and / or Cliché rollers can be used with different enclosures in the printing press.
  • the change of the different circumference of the cylinder can be done, for example, by exchanging, on a cylinder core with a certain diameter slidable sleeves or so-called sleeves with different
  • corresponding surface temperatures of the cylinder are transmitted through the sleeve to ultimately set a surface temperature of the lateral surface of the sleeve.
  • Different sized sleeves show different characteristic properties like thermal conductivity or heat capacity.
  • the cylinders can be mounted, for example, in eccentric bushings, which can be pivoted by means of a suitable drive.
  • a suitable drive In this case, only a limited pivoting of adjacent cylinders to each other on one
  • Circular arc possible which requires a costly readjustment of the cylinder to each other in an exchange of cylinders of a first diameter against cylinders of a second diameter.
  • Multi-color printing is referred to as the Passer (DIN 16500-2), when the individual print images of the different colors are combined exactly to a picture.
  • the Passer DIN 16500-2
  • various correction requirements In connection with the register or the passer when printing in multi-color rotary printing presses are various correction requirements and
  • a correction of the page register or sopassers so a shift of the print image in a direction transverse to a transport direction of a printing material to be printed, can be achieved for example by moving a forme cylinder in the direction of its axis of rotation.
  • the circumferential register or the peripheral register so a shift of the print image in one direction along the transport direction of the printing material to be printed, can be adapted to each other for example by changing the phase position of the form cylinder involved.
  • the diagonal register or the diagonal register ie an inclination of the printed image
  • the form cylinder is tilted so that its axis of rotation is no longer to the
  • Rotation axis of the transfer cylinder is parallel. The following is the
  • DE 44 31 188 A1 is a printing unit for waterless offset printing with at least a form cylinder, a transfer cylinder and a cooling device, wherein the forme cylinder and / or the transfer cylinder carry sleeve-shaped coatings and the cooling device is designed as an internal cooling of the corresponding cylinder to be influenced.
  • DE 10 2004 055 833 A1 discloses a roll for a printing press with an outer tubular surface forming a surface of the roll and a foamed metal core surrounded by the tubular shell, wherein the core of the foamed metal is tubular and wherein the core is positioned between the outer tubular shell and an inner tubular shell and wherein the core has at least one groove on its radially outer surface which serves to form a flow channel for a fluid which serves to temper the roll during operation.
  • EP 1 456 032 B1 discloses a printing cylinder in the form of a hollow metal cylinder for printing presses, wherein longitudinal recesses are arranged in such a way that, independent of the outside diameter of the printing cylinder, the mass of the printing cylinder is essentially the same. A temperature of the cylinder is not provided here.
  • a fixing device for sleeve rolls which has a retaining ring with shaped elements and arranged on corresponding sleeves
  • Heating device wherein in the cavity assembly, a vaporizable liquid and a heat exchanger are arranged.
  • a printing cylinder which has two cylindrical pins on which the Duckwerkszylinder rotatably mounted in a printing unit of a printing machine is receivable, with at least one filled with a cooling fluid cavity, wherein at least one pumping device for generating a circulating Flow of the cooling fluid in the printing cylinder or directly on the printing cylinder is arranged and wherein the printing cylinder is adapted to receive a sleeve-shaped cylinder winding.
  • the invention has for its object to provide a sleeve of a cylinder.
  • the object is achieved by the features of claim 1.
  • the advantages that can be achieved with the invention are, in particular, that a design of a temperature control layer of a cylinder through which a temperature control fluid flows can be better matched to requirements in connection with a temperature control process.
  • a tempering can be achieved particularly effectively by this tempering as close as possible to be tempered outer surface of the cylinder.
  • Temperierstoff flowed layer is limited to the outside and at the same time is removable, be formed thinner than an array of at least two layers, of which limits the temperature control layer leading and a second is removable.
  • a heat conduction and thus a temperature control can be faster and more effective respectively.
  • a heat transfer between several layers would always have to be taken into account, which possibly leads to a poorer overall thermal conductivity.
  • Another advantage is that to replace a sleeve not the entire cylinder must be removed from the press, but at least one
  • the sleeve has at least one layer of a foamed material and thereby has a lower weight than a solid sleeve with the same external dimensions.
  • a further advantage is that, by automatically opening and / or closing valves, an exchange of sleeves connected to a fluid circuit is facilitated, as this allows an automatic separation between sleeves and the circuit.
  • Outer diameters and the same inner diameter can be used and thereby optimally flowed through by temperature control.
  • equal distances between tempering jacket surface and tempering leading layer can be realized at different thickness, self-tempered sleeves for all outer diameter, which, for example, in different sizes
  • Another advantage is that a foamed metal and especially aluminum or magnesium in addition to stabilizing properties also have very good heat transfer properties.
  • Temperierstoffmaschinenthima can be made and that thereby a change of the sleeve can be done very quickly.
  • Another advantage is that a change can be carried out unambiguously and thus particularly easily and without errors by the arrangement of positioning.
  • Another advantage is that no further positioning is necessary by an appropriate arrangement of terminals of the clamping cylinder and the sleeve to ensure a clear position of the sleeve on the clamping cylinder with respect to the circumferential direction.
  • Handling device an automatic replacement of a sleeve on a
  • Clamping cylinder against another sleeve is made possible. Another advantage is that by fixing elements with respect to a register and / or a passport optimum positioning of the sleeve on the
  • Another advantage is that an arrangement of two concentric Temperierstoff Anlagenen arranging inflows and outflows on a same end face of the sleeve is made possible.
  • Another advantage is that it is both possible to arrange all the connections on one end side of the sleeve and thus to allow easy connection of the sleeve by axial plugging on the cylinder, as well as to arrange the connections in the radial direction and thus with a single Temperierstofftechnik also to allow a plugging and connecting in a short time.
  • a further advantage consists in that, by soldering and / or welding and / or gluing components of the sleeve, the sleeve gains stability over an embodiment held together, for example, by screws, and heat conduction properties are improved.
  • Another advantage is that by selecting materials with suitable thermal conductivity, a temperature control of the outer surface can be achieved very effectively, while an inner region, for example, the sleeve-bearing cylinder is not equally tempered with.
  • Fig. 1 is a sectional view through a printing machine
  • Fig. 2 is a schematic representation of an embodiment of a sleeve
  • Fig. 3 is a schematic representation of another embodiment of a sleeve
  • Fig. 4 is a schematic representation of a clamping cylinder for receiving a sleeve
  • Fig. 5 is a schematic representation of a sleeve on a clamping cylinder of Figure 4 obliquely from above ..;
  • Fig. 6 is a schematic sectional view of a sleeve and a clamping cylinder of FIG. 5;
  • Figure 7 is a schematic representation analogous to that in Figure 1, in addition to sleeves on two of the cylinder ..;
  • Fig. 8 is a schematic representation of a printing unit with a partial
  • Fig. 9 is a schematic representation of four arranged one behind the other
  • a printing press designed as a rotary offset printing press has at least one printing unit designed as a rotary offset printing unit.
  • This printing unit has at least one designed as a plate cylinder 01 cylinder 01, which may be formed as a plate cylinder 01 and at least one formed as a printing cylinder 02 cylinder 02 or impression cylinder 02 and optionally at least one
  • Transfer cylinder 03 trained cylinder 03 which may be a blanket cylinder 03, on. If the printing unit is designed as a rotary offset printing unit, form cylinder 01, transfer cylinder 03 and impression cylinder 02 work together in the printing operation in a known manner.
  • the forme cylinder 01 is of an inking with
  • the selectively arranged on the forme cylinder 01 ink is transferred by rolling contact on the transfer cylinder 03 and from there also transmitted by rolling contact on a substrate 04, which is passed between the transfer cylinder 03 and the impression cylinder 02 pressed thereon.
  • the printing material 04 may be, for example, web-shaped or arc-shaped and it may be all possible
  • Printed materials 04 such as paper, cardboard, cardboard, textiles, plastic or metal are printed.
  • the invention can also be applied to other printing processes such as high-pressure, flexographic printing or gravure printing.
  • ink is transferred, as well as a transfer of paints is included and therefore the invention also applies to painting equipment.
  • a counter-pressure cylinder 02, a transfer cylinder 03 and a forme cylinder 01 are arranged.
  • the forme cylinder 01 is in rolling contact with at least one, but preferably two inking rollers 06.
  • the at least one inking roller 06 is in rolling contact with an inking roller 07, wherein this inking roller 07 is preferably designed as an anilox roller 07.
  • the ink roller 07 is in contact with a color source 08, wherein the color source 08 in the case that the ink roller 07 is formed as an anilox roller 07, preferably designed as a chamber doctor blade 08.
  • the color source 08 is designed as a color box 08 and the
  • Ink roller 07 as at least partially in the ink of the ink fountain 08th
  • immersed Farbduktor 07 is formed. Furthermore, it is possible that even more rollers between the forme cylinder 01 and the ink roller 07 are arranged and it is also possible that further rollers 1 1; 12 are arranged, which are not on a direct Farbtransportweg between ink roller 07 and forme cylinder 01, but for example as Farbreibwalzen 12 are formed and a homogenization of a color film are used, which is on components of the printing unit and in particular on the forme cylinder 01 (Fig. 1) , It is also possible, at least one dampening unit with corresponding dampening rollers and at least one corresponding
  • the forme cylinder 01 and the transfer cylinder 03 are preferably arranged one above the other, more preferably such that at least one rotational axis 13 of the
  • Form cylinder 01 and a rotation axis 14 of the transfer cylinder 03 lie in a common vertical plane.
  • a printing material 04 is preferably transported horizontally at least at the point where it is in contact with the transfer cylinder 03. The following is based on this arrangement, but the invention can also be transferred to embodiments in which such a plane is not vertical and / or the substrate 04 is not transported horizontally and should therefore not be limited to this particular arrangement. In addition, the should
  • Diagonal register setting slightly skewed to the other axis of rotation 13; 14 lies.
  • Interchangeable printing unit in particular the forme cylinder 01 and the
  • Transfer cylinder 03. This makes it possible, for example, different
  • Form cylinder 01 use which differ on the one hand in the printed image to be printed, on the other hand, but may also have a different scope and thereby open the possibility for printing in different formats without space on, for example, a web-shaped substrate 04 would remain unnecessarily unprinted.
  • a smaller print image can be printed with a forme cylinder 01 smaller circumference, while a web-shaped substrate 04 and a constant format of the forme cylinder 01 with a smaller print image would produce a larger waste.
  • the transfer cylinder 03 is also exchanged in the case of an exchange of the forme cylinder 01, since the circumference of
  • Form cylinder 01 and transfer cylinder 03 match or at least have to be in an integer ratio.
  • the press has different parameters
  • the printing machine preferably has at least one positioning device or
  • Positioning device is thus used, despite different usable scope of the cylinder 01; 03 distances and gaps between forme cylinder 01, transfer cylinder 03 and impression cylinder 02 to optimize.
  • bearing receptacles which are preferably designed as a hinged bearing and more preferably as a controllable quick-lock bearing rotatably in the printing press.
  • Such quick-lock bearings ensure a safe and rapid replacement of rollers and / or cylinders 01; 02; 03.
  • For a mechanical replacement of rollers and / or cylinders 01; 02; 03 are preferably controllable
  • At least one cylinder 01; 02; 03 is in the printing press at its two ends with respect to its axis of rotation 13; 14 stored.
  • For this purpose for example, designed as a bearing pin 517 cylindrical pin 517 of the cylinder 01; 02; 03 in
  • a corresponding cylinder 01; 02; 03 may preferably about a fixed axis of rotation 13; 14 rotate, regardless of whether it is rotatably mounted only on one side or on both sides, for example by means of bearing mounts.
  • the bearing mounts can be manually and / or automatically opened or closed and / or locked or unlocked.
  • the at least one cylinder 01; 02; 03 are fixed rotatably in a certain predetermined position.
  • both cylindrical pins 517 each have at least one preferably designed as a rolling bearing, for example, a ball bearing or a roller bearing, the outer, im
  • bearing receptacle for example, Printing operation immovable component, such as outer ring, fixed in each case a bearing receptacle, for example, can be clamped. In this way, the corresponding cylinder 01; 02; 03 about a fixed axis of rotation 13; 14 rotate.
  • the bearing receptacles are preferably arranged so that they by means of a preferred several corresponding adjusting devices in directions perpendicular to
  • Rotation axis 13; 14 of the cylinder 01; 02; 03 can be moved.
  • changes in a diagonal register can be made depending on the adjusting device and / or an entire cylinder 01; 02 are moved so that, for example, a distance to another cylinder 01; 02; 03 or a contact pressure between cylinders 01; 02; 03 changes.
  • At least one adjusting device preferably has frame-fixed strips or rails or guide rails, in which, for example, at least one slide is movably mounted via sliding elements.
  • the at least one carriage has at least one bearing receptacle in which at least one, with the cylinder pin 517 each of a cylinder 01; 02; 03 firmly connected, roller bearing is arranged.
  • sleeves 501 is preferably at least one handling device and / or a
  • Cylinder changing device and / or a sleeve changing device provided, which are further preferably capable of machine-controlled and possible without intervention of an operator rollers and / or cylinder 01; 02; 03 and / or sleeves 501
  • the at least one Handling device thus serves the purpose of exchanging rollers and / or cylinder 01; 02; 03 and / or sleeves 501 to remove from the printing press and replace it if necessary against others.
  • at least one handling device may comprise at least one lifting arm, which is a transport of the rollers and / or cylinder 01; 02; 03 and / or sleeves 501 by a series of vertical and / or horizontal
  • Moving steps from the printing press in at least one camp or at least one trolley lifts or at least one cylinder changing device may have at least one pivot arm, the rollers and / or cylinder 01; 02; 03 by pivoting movements between at least one position within the printing press and at least one position, for example, on or in a transport device, for example, below the printing machine and / or can pivot back.
  • a transport cart or such a transport device can be designed so that it has, for example, a storage position or a plurality of storage positions and thus rollers and / or cylinder 01; 02; 03 and / or sleeves 501 can accommodate and optionally machine-controlled transport between different locations, which can be selected at each relevant location, which storage position is released for loading or unloading.
  • each forme cylinder 01 and each transfer cylinder 03 each have their own drive, for example in the form of a motor, this drive must be at a change of the corresponding cylinder 01; 03 are taken into account.
  • the drives for example, as position-controlled synchronous motors with
  • Permanent magnets may be formed, are preferably coaxial with the cylinders 01; 03 arranged.
  • the engines remain during a change of the cylinder 01; 03 stationary at their occupied in printing operation place, for example on a side frame of the printing press.
  • a coupling device between cylinder 01; 03 and engine be designed separable.
  • such a separation is at least also machine-controlled feasible.
  • the Printing machine at least one Stepregistereinstellvoriques, while a circumferential register by the separate drive at least the forme cylinder 01 requires no additional mechanical components.
  • the isregistereinstellvortechnisch is preferably arranged cooperatively with the coupling between the motor and the forme cylinder 01, since after a change of the forme cylinder 01 usually a new setting of the page register is required.
  • At least the forme cylinder 01 or the transfer cylinder 03 or both the forme cylinder 01 and the transfer cylinder 03 have at least one but preferably two diagonal register adjustment devices each.
  • Cylinder core 514 with a certain diameter sleeves 501 or so-called sleeves 501 can be pushed with different outer diameters, for example, the cylinder cores 514 remain even with a change of the sleeves 501 in the printing press and only the sleeves 501, for example, manually or preferably automatically exchanged by an operator ,
  • Such a Exchange process preferably comprises at least one automatic application of the sleeve 501 on the cylinder core 514 and / or an automatic positioning of the sleeve 501 on the cylinder core 514 and / or an automatic fixing of the sleeve 501 on the cylinder core 514.
  • Such an exchange process is preferred by a
  • the inking unit and, if appropriate, the dampening unit are preferably also constructed at least in part from elements which can be moved to adapt to forme cylinders 01 of different diameters in directions perpendicular to the axis of rotation 13 of the forme cylinder 01, for example in a linear movement and / or a pivoting movement.
  • elements of the inking unit can be moved together to a motor and
  • a clamping cylinder 01; 02; 03 for receiving a sleeve 501 has, for example, a cylinder core 514 or a cylinder pin 514 designed as a receiving shaft 514, which cylinder is arranged concentrically on a carrier plate 516.
  • a bearing pin 517 is further arranged, which in a corresponding bearing receptacle of the associated
  • Cylinder core 514, support plate 516 and bearing pin 517 are, for example, in each case substantially cylindrical and aligned with each other so that their respective cylinder axes coincide and a common axis of rotation 13; 14 form.
  • the cylinders 01; 02; 03 in the printing operation in the printing press at its two ends with respect to its axis of rotation 13; Stored 14, but it is also conceivable, both in the printing operation and when changing sleeves on only one axial end rotatably mounted cylinder 01; 02; 03 insert. At least in one
  • Operating condition of the cylinders 01; 02; 03 is formed no sleeve bearing and a bearing pin 517 of the at least one cylinder 01; 03 is in contact with a same bearing receptacle as in the first operating state.
  • the cylinder core 514 can have fastening elements 518, for example clamping elements 518 which are arranged radially movably in a wall of the cylinder core 514 and by means of a drive (not shown), for example by means of an electric and / or pneumatic and / or or mechanical and / or hydraulic drive can be moved out of the lateral surface, whereby a pushed onto the cylinder core 514 sleeve 501 fixed on this cylinder core 514, for example, clamped or positively connected can ( Figures 4, 5 and 6).
  • fastening elements 518 for example clamping elements 518 which are arranged radially movably in a wall of the cylinder core 514 and by means of a drive (not shown), for example by means of an electric and / or pneumatic and / or or mechanical and / or hydraulic drive can be moved out of the lateral surface, whereby a pushed onto the cylinder core 514 sleeve 501 fixed on this cylinder core 514, for example, clamped or
  • an inner diameter of the sleeve 501 is slightly smaller than an outer diameter of the clamping cylinder 01; 02; 03, so that one on the clamping cylinder 01; 02; 03 pushed sleeve 501 automatically on the clamping cylinder 01; 02; 03 is clamped.
  • the clamping cylinder 01; 02; 03 a number of openings, such as holes, in its lateral surface, which can be connected together to at least one compressed air supplier. If now the openings are pressurized with compressed air, so forms between sleeve 501 and
  • Clamping cylinder 01; 02; 03 an air cushion, whereby the sleeve 501 and in particular the inner diameter of the sleeve 501 is slightly pushed apart and the sleeve 501 on the air cushion in a simple manner by the clamping cylinder 01; 02; 03
  • a fastening device for sleeves 501 on the clamping cylinder 01; 02; 03 thus has, for example, at least radially adjustable fastening elements 518 and / or openings connected to at least one compressed-air supplier.
  • At least the forme cylinder 01 and / or the transfer cylinder 03 are designed to be temperable in order to control and / or regulate a respective surface temperature of at least the lateral surface.
  • Temperature control are flowed through and can be kept in this way in the printing operation of at least the forme cylinder 01 and / or the transfer cylinder 03 on its lateral surface at a constant temperature.
  • the carrier plate 516 has different connections 519; 521, for example, connector elements 519; 521, via which a deferred sleeve 501 can be connected to an external cooling device.
  • the connections 519; 521 corresponding to the terminals 508; 509 of the sleeve 501 arranged, whereby the corresponding connections 508; 509 of the sleeve 501 when pushed onto the
  • Cylinder core 514 easily with the corresponding, as their counterparts
  • terminals 519; 521 and thereby a connection with the outer cooling device is created. It may be expedient the arrangement of the terminals 508; 509 and 519; 521 asymmetric, whereby the
  • Ports 508; 509; 519; 521 can engage in their respective counterparts only in a single position and whereby an exact positioning of the sleeve 501 on the clamping cylinder 01; 02; 03 is ge strictlyrleitstet (Fig. 3 to 6).
  • the terminals 508; 509; 519; 521 preferably have at least partially self-opening and / or closing valves.
  • the terminals 508; 509; 519; 521 are further preferred as Quick release designed in the form of connectors.
  • the terminals 508; 509; 519; 521 also be arranged, for example, at least one positioning pin on the sleeve 501, which in a corresponding, on the clamping cylinder 01; 02; 03 provided recess engages and thereby ensuring that the sleeve 501 only in a certain position with respect to the circumferential direction on the clamping cylinder 01; 02; 03 is fixable.
  • components of the printing unit which are in the printing operation with adjustable cylinders 01; 03 in contact are also movably arranged, as at a
  • a replaceable sleeve 501 or an exchangeable sleeve 501 has a temperature-controllable outer jacket surface and a sandwich structure, ie it is made of at least three different, concentrically arranged, preferably hollow cylinder-like layers constructed, of which at least one layer 504 as
  • Tempering layer 504 and thus formed by a bath liquid can be flowed through.
  • the sleeve 501 has a high rigidity.
  • at least two sleeves 501 are interchangeable, both having a same inner diameter, but of which a first sleeve 501 has a larger or smaller outer diameter than a second sleeve 501.
  • the sleeve 501 has a sleeve 502 embodied as an outer sleeve 502 and a sleeve 503 designed as an inner sleeve 503, which are each designed as thin-walled hollow cylinders and between which a tempering layer 504 made of an open-celled foamed material, preferably a metal,
  • the tempering layer 504 is also designed as a hollow cylinder and can
  • more than 40% are open and flowed through and / or flowed through to further improve the temperature-regulating properties, preferably even more than 75% of the pores ,
  • the open-pore structure has the following property: inside a volume flowed through and / or permeable by tempering fluid, which lies inside the sleeve 501, there exists a closed path, which in the mathematical sense is not simply connected, whose length is smaller than 0.5 cm. There is one closed, simply connected path a closed path that can be contracted to a single point. In this case, a simply connected path would have to contract to one point, without even a part of the path ever leaving the volume through which flowed through and / or flowed through or through the metallic framework.
  • the outer sleeve 502 may be suitably made of a metal, preferably a dimensionally stable metal, for example, made of aluminum or steel, whereby an effective heat conduction, for example, for heat dissipation is ensured in the subsequent inward Temperier für 504.
  • a metal preferably a dimensionally stable metal, for example, made of aluminum or steel
  • Other materials with high thermal conductivity can also be used as the material for the outer sleeve 502, as long as they withstand occurring mechanical requirements.
  • the inner sleeve 503 may also be formed of a metal such as aluminum or steel, but preferably this is constructed of a dimensionally stable and lightweight material with a low thermal conductivity, for example of a fiber-reinforced plastic. Because to maintain a desired
  • Transfer cylinder 03 and / or a counter-pressure cylinder 02 may be to thermally isolate.
  • the sleeve 501 may itself carry a print image to be printed, or the sleeve 501 may be formed to support a printing image-bearing printing form such as a printing plate.
  • the respective interfaces between the inner sleeve 502 and outer sleeve 503 and Temperier harsh 504 are preferably adapted to each other fit and also preferably each firmly connected to each other, for example glued together and / or soldered and / or welded. Also described below covers 506; 507 are preferably connected in this way with said components of the sleeve 501.
  • the sleeve 501 has respective covers 506; 507 on which
  • annular cover plates 506; 507 may be formed and with the sleeves 502; 503 are connected liquid-tight frontally, whereby an at least partially filled by the foamed metal 504 interior, which through the sleeves 502; 503 and the covers 506; 507 forms a closed volume.
  • At least a part of the sleeve 501, which is formed by the heat transfer liquid, is designed to be connectable to an external cooling circuit.
  • At least one of the covers 506; 507, at least one connection 508 is arranged for introducing the heat transfer liquid and at least one of the covers 506; 507 is at least one port 509 for removing the
  • Tempering liquid arranged. Via the arranged connections 508; 509 it is possible to flow through this interior with a bath liquid.
  • the terminals 508; 509 as a connector 508; 509 formed and act with corresponding counterparts on the respective cylinder 01; 02; 03 together.
  • the terminals 508; 509 valves and / or check valves in order to prevent or at least minimize the escape of heat transfer liquid when replacing a sleeve 501.
  • Temperature control fluid flows through a network of open, so interconnected pores. This results in a more uniform flow than if individual, for example, compared to the pores relatively large channels or pipes would be arranged through which the temperature control would flow. In addition, a step in the production in which the channels or pipes would be introduced can be saved.
  • the frontal cover 507 in this case has no connections, so that a
  • tempering layer 512 which may also be formed in particular as a cooling layer 512, is returned and can be removed via corresponding terminals 509 in the cover 506.
  • the tempering layer 512 thus serves as trace and the other of the tempering layers 504; 512 serves as a return (Fig. 3).
  • the inner sleeve 51 1 is in this case formed of a liquid-tight material and moreover preferably of a poorly heat-conducting material, for example of a fiber-reinforced plastic, whereby a heat conduction between the
  • Tempering layers 504; 512 is largely prevented and thus a thermal short circuit is prevented.
  • To form a coherent volume required for this purpose are the
  • Outer sleeve 502 and the inner sleeves 503; 51 1 this frontally connected to the cover 506 liquid-tight.
  • the outer sleeve 502 and the inner sleeve 503 are connected to the cover 507 and the inner sleeve 51 1 has to the cover 507 a certain distance, whereby in the region of
  • connection volume 513 is formed and whereby the layers 504; 512 are connected to each other and whereby the bath liquid can pass unhindered from the layer 504 in the layer 512.
  • Thicknesses, ie radial dimensions of the respective outer and inner sleeves 502; 503; 51 1 can be chosen so that, depending on the desired outer diameter of the sleeve 501, the respective thicknesses of the outer and inner sleeves 502; 503; 51 1 are the same or different, wherein an inner diameter of the sleeve 503 is suitably kept constant and the outer diameter of the cylinder 01; 02; 03, for example, the forme cylinder 01 and / or the transfer cylinder 03 is adjusted. This makes it possible, different sleeves 501 with different
  • the thickness of the tempering layers 504; 512 can still be the same or equal
  • the design of a connected tempering can be simplified.
  • a plurality of interconnected tempering layers 504; 512 it is also possible that they are interconnected differently than described above.
  • the inner sleeve 51 may well touch the corresponding cover 507 or be connected to it, if it is provided with holes or passages, which are preferably in the vicinity or directly to the cover 507 or the cover 507 itself can their, the sleeve 501 side facing recesses, whereby at least two cooling layers 504; 512 are fluidly interconnected.
  • the terminals 508; 509 are provided with appropriate counterparts on the cylinder 01; 02, 03 connected to ensure a supply and discharge of the fluid.
  • the terminals 508; 509 in the radial direction relative to the corresponding cylinder 01; 02; 03 inwardly, on the axis of rotation 13; 14 to, openings on and the corresponding cylinder 01; 02; 03 may have openings which point in the radial direction to the outside, so that the sleeve 501 in the axial direction of the cylinder 01; 02; 03 can be raised and as soon as they respect the

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

L'invention concerne une douille (501) d'un cylindre (01 ; 02 ; 03) d'une machine à pression, au moins une surface d'enveloppe extérieure de la douille étant conçue de façon à pouvoir être mise à température, et la douille pouvant être conçue de façon remplaçable par au moins une autre douille, caractérisée en ce qu'au moins une partie de la douille remplaçable, qui se trouve entre un diamètre intérieur de la douille et un diamètre extérieur de la douille, est conçue de façon à pouvoir être traversée par un liquide de mise à température.
EP10739548A 2009-08-04 2010-07-26 Douille d'un cylindre Withdrawn EP2461977A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009028202A DE102009028202A1 (de) 2009-08-04 2009-08-04 Hülse eines Zylinders
DE102009054683 2009-12-15
PCT/EP2010/060781 WO2011015480A1 (fr) 2009-08-04 2010-07-26 Douille d'un cylindre

Publications (1)

Publication Number Publication Date
EP2461977A1 true EP2461977A1 (fr) 2012-06-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10739548A Withdrawn EP2461977A1 (fr) 2009-08-04 2010-07-26 Douille d'un cylindre

Country Status (2)

Country Link
EP (1) EP2461977A1 (fr)
WO (1) WO2011015480A1 (fr)

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DE102012206972B4 (de) * 2012-04-26 2019-03-14 Spm Steuer Gmbh & Co. Kg Werkzeugzylinder mit auswechselbarer Werkzeughülse sowie Präge- oder Druckmaschine mit einem solchen Werkzeugzylinder sowie Werkzeugzylinder-Set
DE102013222175B4 (de) 2013-10-31 2017-11-09 Koenig & Bauer Ag Druckwerk einer Offsetrotationsdruckmaschine
EP3480013A1 (fr) * 2017-11-03 2019-05-08 Rotatek Printing Machinery, S.L.U. Machine d'impression offset et procédé d'impression correspondant
CN108688300B (zh) * 2018-04-25 2020-10-20 句容市合力印刷有限公司 一种带有弹簧卡件的热压印辊轴装置
CN108790379A (zh) * 2018-04-25 2018-11-13 句容市合力印刷有限公司 一种内外两层式热压印辊轴装置
CN108688295B (zh) * 2018-04-25 2020-09-11 句容市合力印刷有限公司 一种热压印装置
CN108773153A (zh) * 2018-04-25 2018-11-09 句容市合力印刷有限公司 一种两层式热压印辊轴装置

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