EP3169520A1 - Dispositif pourvu d'une pluralité d'unités d'impression destinées chacune à l'impression de corps creux - Google Patents

Dispositif pourvu d'une pluralité d'unités d'impression destinées chacune à l'impression de corps creux

Info

Publication number
EP3169520A1
EP3169520A1 EP15732663.8A EP15732663A EP3169520A1 EP 3169520 A1 EP3169520 A1 EP 3169520A1 EP 15732663 A EP15732663 A EP 15732663A EP 3169520 A1 EP3169520 A1 EP 3169520A1
Authority
EP
European Patent Office
Prior art keywords
printing
plate
cylinder
roller
plate cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15732663.8A
Other languages
German (de)
English (en)
Other versions
EP3169520B1 (fr
Inventor
Stephan Behnke
Wolfgang Reder
Karl Schäfer
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 Metalprint GmbH and Co KG
Original Assignee
KBA Metalprint GmbH and Co KG
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 DE102014213813.2A external-priority patent/DE102014213813B4/de
Application filed by KBA Metalprint GmbH and Co KG filed Critical KBA Metalprint GmbH and Co KG
Priority to PL15732663T priority Critical patent/PL3169520T3/pl
Publication of EP3169520A1 publication Critical patent/EP3169520A1/fr
Application granted granted Critical
Publication of EP3169520B1 publication Critical patent/EP3169520B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/002—Supports of workpieces in machines for printing on hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • B41F17/20—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors
    • B41F17/22—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors by rolling contact
    • 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
    • B41F27/005—Attaching and registering printing formes to supports
    • 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
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • 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
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/1225—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly
    • B41F27/1231—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly by translatory motion substantially tangential to support surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • B41F27/02—Magnetic devices
    • 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
    • B41P2227/60—Devices for transferring printing plates
    • B41P2227/61—Devices for transferring printing plates using the sheet feed system
    • 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
    • B41P2227/60—Devices for transferring printing plates
    • B41P2227/62—Devices for introducing printing plates

Definitions

  • the invention relates to a device having a plurality of printing units each for printing hollow bodies according to the preamble of claim 1.
  • Such a device for printing or decoration of particular each having a preferably cylindrical outer surface having hollow bodies is z. B. in conjunction with an i. d. R. multiple workstations using plant for the production of such hollow body, wherein the printing or the decoration of the hollow body is carried out by a printing process, which is why these hollow body generally as
  • Printed products can be called. In such a system to be printed hollow body in a mass production with z. B. several hundred or even a few thousand pieces per minute, z. B. manufactured between 1,500 and 3,000 pieces per minute.
  • Such hollow body z. B. made of metal, especially steel or aluminum, or made of a plastic.
  • Such hollow body made of metal z. B. used as beverage cans or aerosol cans.
  • Such hollow plastic body z. B. prepared in the form of thermoplastic moldings and z. B. as a cup for packaging z. B. of liquid or pasty foods,
  • the respective hollow body may also be a round tube body produced either from a plastic or from aluminum, wherein a tube is understood to mean an elongated, firm, but malleable container which is provided for filling with a substance, in particular pasty substance.
  • Tubes made of aluminum are z. B. produced in a dump arrangementf nordpressclar.
  • Plastic tubes are z. B. produced by extrusion in each case as seamless tubes. Another kind of in one
  • the aforementioned device to be printed hollow bodies may be made of glass preferably cylindrical containers or vessels, for. As bottles or bottles.
  • Beverage cans are preferably made of aluminum and are i. d. R. so-called second doses, in which a circular ground together with a
  • Ironing to a hollow body open on one side, d. H. be manufactured into a so-called Rohdose and wherein in a final manufacturing step, a circular cover placed on the cylinder jacket and by beading with the
  • Cylinder jacket is connected airtight.
  • Tinplate is a tinned sheet steel.
  • the thickness of the steel sheet z. B. 0.15 mm to 0.49 mm the thickness of the tin layer z. B. 0.2 ⁇ to 0.8 ⁇ , wherein the tin coating is used for corrosion protection.
  • Tinplate cans are so-called
  • An aerosol can also referred to as a spray can or spray can, is a metal can for spraying liquids.
  • the filled liquid is under pressure, wherein as a propellant for discharging the liquid in question from the respective can z.
  • a propellant for discharging the liquid in question from the respective can z.
  • propane, butane, dimethyl ether or mixtures thereof or compressed air or nitrogen is used.
  • the aforementioned WO 2012/148576 A1 describes a device for decorating cans, wherein an arrangement of several printing units, each with an inking unit for multicolor decoration of a plurality of cans is provided, each of the belonging to one of the printing units inking units each have a color box to provide Printing ink, wherein in each ink fountain each ink fountain roller for receiving the ink from the ink fountain in question is provided, wherein each inking unit each a Farbduktor are provided, wherein the ink fountain each ink from the respective ink fountain roller accommodates, wherein in one in the respective inking the each inking roller subsequent roller compactor several iridescent ink roller and several each with at least one of the
  • Farbreiberwalzen cooperating ink transfer rollers are provided, wherein for each inking unit in each case a plate cylinder is provided with at least one printing plate, wherein cooperates with the respective plate cylinder for applying the ink in each case only a single inking roller.
  • WO 2004/109581 A2 is an apparatus for carrying out a contactless digital printing method, z. B. an inkjet printing process known to round objects, in particular second-dose, without the use of a blanket, if necessary, to print individually, wherein preferably a plurality of print heads are provided, each printing a single ink.
  • a short inking unit for a printing machine comprising a printing form cylinder, an inking roller cooperating with the printing form cylinder and the inking roller contacting anilox roller, which is associated with a device for ink supply, wherein at least one leveling roller between the place of ink supply and the contact gap between the
  • Anilox roller and the inking roller, based on the direction of rotation of the anilox roller, is arranged, wherein the means for ink supply is designed as a chambered doctor blade.
  • a printing machine which comprises at least one printing forme, a dampening unit for moistening the printing forme with a fountain solution, an inking unit for coloring the printing form with an ink and a
  • Inking roller of the inking unit has a first Abroll.stelle at which the inking roller is in rolling contact with the heating roller, wherein the inking roller has a second Abroll.stelle and wherein a shortest conveying path of the ink from the inking roller to the printing forme is specified by at most one intermediate roller.
  • Color cylinder cooperate, the color is fed through a Farbzu 1500system that produces a continuous color film, the color cylinder a An inking roller with almost the same diameter as the plate cylinder is arranged downstream, wherein the inking cylinder is assigned a dampening unit with at least one dampening agent transferring roller and wherein the transfer of the fountain solution to the inking cylinder in the same direction of rotation after the inking and before the contact point with the inking roller.
  • Inking roller known, which is arranged downstream of a plate / forme cylinder in the color flow direction, wherein the plate / forme cylinder with a blanket cylinder and the blanket cylinder with a pressure medium leading the printing cylinder in
  • the anilox roller is driven by a single drive, wherein in the printing / painting of the main drive input to a drive wheel of the printing cylinder and a drive wheel of the blanket cylinder and a second and first drive of the plate / forme cylinder and a drive wheel of the inking roller and a Drive wheel of the anilox roller is fed, wherein the single drive of
  • Anilox roller is inactive, and wherein in the setup mode, the drive connection to the
  • Main drive between the first drive wheel and the second drive wheel of the plate / forme cylinder is separated, the single drive of the anilox roller is activated and by means of a single drive a drive torque to the drive wheel of the anilox roller and the
  • From DE 196 24 440 A1 discloses a device for filling wells of a cylinder of a printing press with a liquid is known, wherein on the cylinder at least two doctor devices for filling wells of the cylinder are arranged with the liquid, one connected to a conveyor system
  • Application device for the liquid and one of these in the direction of rotation of the cylinder subordinate working doctor blade are provided, wherein the doctor blades are attached to a beam, wherein the istsakelte liquid is discharged to a collecting trough.
  • An inking rollers has a fountain roller and an anilox roller, wherein the anilox roller is mounted on pivot levers, wherein the anilox roller and the
  • Inking roller each have bearer rings, one for pressing the bearer rings of a arranged on the bearer rings of the other inking roller device springs for compensating for manufacturing tolerance
  • Mantle surface of hollow bodies wherein a to be printed hollow body is provided about a rotation axis transporting transport means, wherein a plurality of printing units are provided, each to be printed hollow body with the transport device in a printing range of at least one of the printing units is transportable, wherein at least one of the printing units a Compressor cylinder and having an inking unit with a single inking roller.
  • DE 10 2006 032 204 B3 discloses a method for providing at least one printing forme at its installation location on a forme cylinder of a rotary printing machine, wherein the printing form illustrated with a printing motif has a printing plate
  • Transport device is transported to its mounting location on the form cylinder, wherein the printing form is transported with a transport module connected to the transport module, wherein the mounting of the printing forme takes place at its respective mounting location on the forme cylinder from the transport module.
  • Transfer cylinder seen on the forme cylinder in the axial direction of the same seen several printing plates side by side and in the circumferential direction of the same preferably several printing plates are tensioned one behind the other, and with a forme cylinder associated printing plate changing device to printing plates on
  • Handling device for removing a printing plate from a container and for applying the printing plate on a plate cylinder of the printing unit and the
  • Memory device is stored, wherein after arranging a first printing form on the forme cylinder, these form cylinder and / or the storage device are axially shifted by a travel relative to each other, that by this shift another to be arranged on the forme printing form at one to the mounting location of the previously arranged printing form is arranged in a relation to the distance between two adjacent memory positions of the memory device reduced distance adjacent mounting location on the forme cylinder.
  • a method for the axial positioning of a printing plate during its application to a cylinder of a rotary printing machine wherein the printing plate is supplied by means of transport to the cylinder, wherein for the application of the printing plate, a cylinder section is selected, wherein a plurality of possible , this cylinder section associated, preselected, axially adjacent positions a target position for the pressure plate is selected on the cylinder, wherein subsequently a position of the pressure plate in the axial direction with respect to a reference position located on the cylinder is determined and finally brought the pressure plate in the preselected desired position becomes.
  • the invention has for its object to provide a device with a plurality of printing units each for printing hollow bodies on which a production change in a short set-up time is executable.
  • the object is achieved by the features of claim 1.
  • the dependent claims relate to advantageous developments and refinements of the solution found.
  • Fig. 1 shows a device for printing or for decoration of one each
  • FIG. 2 shows an inking unit, in particular for the apparatus shown in FIG. 1, in a first operating position
  • FIG. 3 shows the inking unit, in particular for the apparatus shown in FIG. 1, in a second operating position
  • FIGS. 2 and 3 shows a chamber doctor blade system, in particular for the inking unit illustrated in FIGS. 2 and 3;
  • Fig. 6 shows the disc changer of Fig. 5 in a second operating position.
  • multicolor print motif ie at least one printed image is carried out in a preferred embodiment in a high-pressure process.
  • Alternative printing methods are z.
  • a printing plate is arranged on a lateral surface of a printing form cylinder, in particular a plate cylinder, as the printing form.
  • the printing plate ready for use for the printing process is a printing form with a printing relief, this printing relief reflects the image intended for the printing process mirrored, wherein in a trouble-free printing operation only the printing relief on the transfer of the
  • Plate cylinder ink supplied from the inking unit is involved in the blanket.
  • the printing form or the printing plate has a plate-shaped preferably flexible carrier finite length z. B. from a steel sheet, wherein a particularly flexible pressure body is arranged on this support.
  • At least the opposite in the circumferential direction of the plate cylinder ends of the carrier can, for. B. be bent according to the curvature of the lateral surface of the plate cylinder or be angled to facilitate assembly of the printing form, d. H. here in particular the
  • the support of the printing form or the printing plate has a thickness in the range of z. B. 0.2 mm to 0.3 mm.
  • Printing plate has including its support a total thickness in the range of z. B. 0.7 mm to 1, 0 mm, preferably about 0.8 mm.
  • the pressure hull is z. B. formed from a plastic. The pressure hull is used to produce the printing cliché that can be used for the printing process. B. exposed to a print image reproducing negative film, wherein unexposed areas then from the pressure body z. B. be removed by washing or by means of a laser.
  • a device for printing or for decoration in particular in each case a preferably cylindrical lateral surface having hollow bodies preferably has a plurality, for. B. eight or ten or even more printing units - also called printing stations - on, with at least one of these printing units, in the preferred
  • All of these printing units each have a rotatable printing plate cylinder, in particular have a printing plate cylinder designed as a plate cylinder.
  • the printing units or printing stations and optionally also the printing form cylinder are each stored in a frame in this device and can in the same
  • Printing process can be used to form on the same hollow body according to the number of participating printing units or printing forme cylinder multicolored print motif.
  • the storage of the printing form cylinder or plate cylinder is in each case preferably designed as a flying bearing, wherein the relevant
  • Printing form cylinder or plate cylinder at one of its end faces in each case z. B. is mounted on a preferably conical pin.
  • On the lateral surface of each plate cylinder is i. d. R. each arranged only a single printing plate, wherein the support of the printing plate the circumference of the respective plate cylinder completely or at least for the most part, in particular spans more than 80%.
  • a directed in the circumferential direction of the relevant plate cylinder length of the pressure body of the printing plate is preferably formed shorter than the circumference of the relevant plate cylinder.
  • the printing form or the printing plate is in particular magnetically arranged on the lateral surface of each plate cylinder by means of its carrier or at least can be arranged, d. H. the printing form or the printing plate is or is preferably there magnetically, d. H. held by a magnetic holding force.
  • d. H. held by a magnetic holding force In an alternative or
  • each preferably cylindrical surface having hollow bodies is at least one of the printing units or there are also several of these printing units each as a printing process printing in a digital printing process printing unit formed, such a printing unit in particular at least one inkjet print head or has a laser.
  • Plate cylinder preferably several z. B. in their respective position respectively
  • each plate cylinder or plate cylinder each has a diameter in the range between 100 mm and 150 mm, in particular between 120 mm and 130 mm, wherein an axial length of the respective plate cylinder or plate cylinder in each case z. B. between 200 mm and 250 mm, in particular between 200 mm and 220 mm.
  • the printing plate to be arranged on the lateral surface of the relevant plate cylinder has a width directed in the axial direction of the relevant plate cylinder in the range of 150 mm to 200 mm, preferably approximately 175 mm.
  • the printing form cylinder transfers a specific printing ink to a printing blanket in each case.
  • the printing inks used are i. d. To R. premixed, especially custom special colors that are tuned in terms of their respective Vertikiana in a special way to the material of the hollow body to be printed, depending on whether a surface z. B. of aluminum, a tinplate or a plastic is printed.
  • a cylindrical surface having hollow bodies is a printing ink of the
  • This ink transferring device is z. B. formed as a rotating about a preferably horizontal axis of rotation segment wheel, wherein at the periphery of this segment wheel, that is arranged along its circumference one behind the other preferably several blankets or at least can be arranged.
  • the ink-transferring device can also be designed as a decoration drum or as a blanket cylinder or as a transfer cylinder as an alternative to the segmented wheel, which are rotatable about a respective axis of rotation at least during printing.
  • the arrangement of the blankets on the circumference of the segment wheel z. B.
  • the blankets on the circumference of the segment wheel each z. B. are attached by a cohesive connection, preferably by gluing.
  • the preferably a plurality of printing plate cylinders or plate cylinders are each set radially to the printing blankets arranged on the circumference of the respective segment wheel or at least can be set.
  • cylindrical surface having hollow bodies is arranged along the circumference of the segment wheel in a row a larger number of blankets, as are each provided to the segment radially radially employed or at least adjustable pressure plate cylinder or plate cylinder.
  • the preferably carousel-like printing ink-transferring device, in particular the segment wheel has a diameter z. B. from 1,500 mm to 1,600 mm, preferably about 1 .520 mm to 1525 mm, and has at z.
  • each printing plate is preferably formed with a greater hardness than the hardness of the respective
  • the surface of the blankets is preferably flat, d. H. formed without a profiling.
  • Printing process involved printing plate cylinder or plate cylinder respectively to the
  • Blankets of the rotationally driven segment wheel are employed radially, roll the respective printing plates of this plate cylinder or the respective pressure clichés of these plate cylinder on the moved with the segment wheel blankets, wherein the pressure plates at least their pressure relief each z. B. 0.2 mm to 0.25 mm deep into the respective blanket and thereby in the respective Drucktuck extending in the axial direction of the segment wheel flattening, ie a roll strip produce.
  • An intensity of the flattening is z. B. before or at the beginning of a printing process z. B. by means of a remote control by adjusting a force exerted by the respective printing plate cylinder or plate cylinder on the relevant blanket of the segment wheel contact pressure adjustable or is set.
  • Rotation axis transporting transport device preferably by means of a Zubayrades, in particular by means of a Mandrel wheel in a continuous
  • the hollow body to be printed by means of z. B. designed as feed wheel transport device to each at least one of z. B. arranged on the segment wheel arranged blankets, or to be printed hollow body by means of this transport device each directly and directly, d. H. without the help of a z. B. formed as a segmented wheel
  • Ink transfer device transported in the respective printing area of at least one of these printing units, which is the case when the relevant printing unit in a direct printing method, eg. B. prints in an inkjet printing process.
  • the segment also about a preferably horizontal axis rotating feed wheel or mandrel has concentric with its circumferential line in preferably equidistant distribution more, z. B. 24 or 36 holder z.
  • a trained as Mandrelrad transport device is sometimes referred to as a turntable with spindles.
  • One Mandrelrad is z. As described in EP 1 165 318 A1. A description of suitable holders, spindles or mandrels is found for.
  • each mandrel is referred to briefly as a mandrel.
  • a longitudinal axis of each mandrel is directed parallel to the axis of rotation of the Mandrel wheel.
  • each of these hollow body z. B. by means of a conveyor, for. B. a belt conveyor to the z. B. introduced as Mandrelrad transport device and there at a transfer station z. B. sucked by suction on one of the mandrels of Mandandrades and then held by the mandrel concerned, while designed as Mandrelrad transport device to the respective hollow body to be printed z. B.
  • Conveyor is z. As described in EP 1 132 207 A1.
  • Each thorn is z. B. rotatable by means of a motor about its respective longitudinal axis and in particular adjustable to a certain peripheral speed, so that each held by a mandrel to be printed hollow body in addition to the rotation of the Mandrel wheel by a
  • the slippage of the hollow body to be printed on one of the mandrels of Mandandrades preferably takes place during a standstill phase of the mandrel in question, wherein the mandrel in question during its stoppage phase does not perform rotational movement about its own longitudinal axis.
  • the occupancy of each spine with a printable Hollow body is preferably checked, for. B. contactless with a sensor. In a missing assignment of a mandrel with a hollow body to be printed Mandrelrad z. B. such that a contact of the respective free mandrel is reliably avoided with a blanket of the segment wheel.
  • each edge of its box is trimmed at its open end.
  • Each Zweiteildose is z in other processing stations. B. washed, her interior in particular washed out.
  • the z. B. also designed as a Zweiteildose hollow body painted in a painting. At least the outer surface of each Zweiteildose z. B. primed, especially with a white primer. After printing on its lateral surface Zweiteildose of their respective holder z. B. on mandrel z. B.
  • Hot air dryer to cure the at least one applied to their respective lateral surface ink.
  • the printing process for printing in particular the respective lateral surface of z. B. held on the Mandrelrad hollow bodies, in particular Zweiteildosen begins with the fact that all of the printing on the respective outer surface of the hollow body to be printed image required in each case z. B. from the respective printing plate of z. B. applied to the segment wheel plate cylinder are applied to the same of one of the circumference of the segment wheel blankets.
  • the relevant blanket dyed with all the required printing inks then transfers in one Touching contact between the blanket and the lateral surface of the respective hollow body to be printed these printing inks simultaneously on the lateral surface of this hollow body during a single revolution of the on one of the mandrels of the
  • the transfer of the printing inks from the blanket to the lateral surface of the hollow body of the z. B. held by one of the mandrels Mandandrades to be printed hollow body with an absolute same circumferential speed as the concerned z. B. arranged on the circumference of the segment wheel blanket.
  • the respective peripheral speeds of the hollow body and blanket or segment wheel are therefore synchronized with each other, wherein the z. B. on one of the mandrels of the
  • Plate cylinder is or is preferably a function of the
  • Peripheral speed z. B. the segment wheel set.
  • the Mandrel and the Segmentrad are z. B. driven by a same central machine drive and optionally mechanically z. B. coupled together via a gearbox.
  • the Mandrel and the Segmentrad are each driven individually by a separate drive and z. B. controlled by a control unit in their respective rotational behavior.
  • Fig. 1 shows in a schematic representation simplified and exemplified a generic device for printing or for decoration in particular in each case a preferably cylindrical lateral surface having hollow bodies 01, z. B. Secondary boxes 01, said hollow body 01 with a conveyor z. B. sequentially the z. B. as a rotating or at least rotatable Zuglassrad, in particular as
  • Transport device are each held individually on a holder.
  • Transport device is preferably designed as a Mandrelrad 02.
  • Mandrelrad 02 preferably acts an ink transferring device, eg. B. a rotating or at least rotatable Segmentrad 03 together, along whose or its circumference several printing blankets are arranged one behind the other.
  • a rotating or at least rotatable Segmentrad 03 together, along whose or its circumference several printing blankets are arranged one behind the other.
  • plate cylinder 04 is provided, on the respective lateral surface of this plate cylinder 04 and plate cylinder 04 each have a printing plate, in particular a printing plate is arranged , This pressure plate is particularly suitable for carrying out a high-pressure process.
  • Plate cylinder 04 is supplied for coloring its printing plate or its printing plate by means of an inking unit 06 each have a specific ink.
  • the printing form cylinders 04 are each designed as a plate cylinder 04 carrying at least one printing plate.
  • Fig. 2 and 3 show a simplified schematic representation of some details of each cooperating with a plate cylinder 04 inking unit 06, which z. B. for use in the device shown in Fig. 1 for printing or for decoration in particular of a preferably cylindrical lateral surface having hollow bodies 01 is provided.
  • the inking unit 06 proposed here has for the color transport from a paint reservoir to the respective plate cylinder 04 advantageously a very short, ie consisting of only a few, preferably a maximum of five rolls, in particular two-roll compactor.
  • this compactor consists of only one single roller
  • An inking unit 06 with a maximum of five rolls compactor belongs to the genus of short inking.
  • Fig. 2 shows an example of a (short) inking unit 06 with a two-roll compactor in a first operating position, in which the inking roller 07 and the anilox roller 08 employed each other, employed the inking roller 07 to the plate cylinder 04 and also the plate cylinder 04 radially to the ink from the plate cylinder 04 to the lateral surface of the respective hollow body 01 transmitting device, in particular to the segment 03 are employed.
  • Fig. 3 shows the inking unit 06 shown in FIG. 2, a second operating position in which the inking roller 07 and the anilox roller 08 from each other parked, the inking roller 07 from the plate cylinder 04 and also the plate cylinder 04 from the ink-transferring device, in particular are parked by the segment wheel 03.
  • the inking roller 07 and the anilox roller 08 employed each other, employed the inking roller 07 to the plate cylinder 04 and also the plate cylinder 04 radially to the ink from the plate cylinder 04 to the lateral surface of the respective hollow body 01 transmitting device, in particular to the segment 03
  • the preferably designed as a plate cylinder 04 printing forme cylinder 04 and preferably designed as an anilox roller 08 inking roller 08 are z. B. each independently by a motor 1 1; 12 rotatably driven, in particular in the preferred used in Figs. 2 and 3 illustrated inking unit 06, wherein the relevant engine 1 1; 12 z. B. in its respective speed and / or angular position of a z. B. electronic control unit in particular regulated or at least regulated.
  • the z. B. trained as segment wheel 03 ink transferring device is z. B. driven by a separate drive or by a central machine drive rotatively.
  • the inking roller 07 is or is rotationally driven by the anilox roller 08 by friction.
  • an outer diameter d07 of the inking roller 07 and an outer diameter d04 of the at least one printing plate, in particular at least one printing plate bearing plate cylinder 04 are equal in magnitude.
  • Plate cylinder 04 and the inking roller 07 each have an identical circumferential length.
  • the inking roller 07 and the anilox roller 08 set against each other, the inking roller 07 to the first operating position of the cooperating with the plate cylinder 04 inking unit 06, in which the inking roller 07 and the anilox roller 08 set against each other, the inking roller 07 to the first operating position of the cooperating with the plate cylinder 04 inking unit 06, in which the inking roller 07 and the anilox roller 08 set against each other, the inking roller 07 to the
  • Plate cylinder 04 employed and also the plate cylinder 04 are employed on the segment 03, at least the respective centers of the plate cylinder 04, the
  • For detecting the rotation of the inking roller 07 is a
  • Detection device z. B. provided in the form of a rotary encoder, said encoder is particularly rigidly connected to a shaft of the inking roller 07.
  • the signal generated by the rotary encoder during a rotation of the inking roller 07 is used by the control unit, the rotational speed and / or angular position of
  • inking roller 07 by means of the rotation of the anilox roller 08 such or nachNF in case of need such that a synchronization between the plate cylinder 04 and the inking roller 07 adjusts or is set so that the
  • control unit preferably during the adjustment phase performed by the
  • Circumferential speed of the anilox roller 08 sets such that this relative to the peripheral speed of the plate cylinder 04 in particular briefly - and thus not permanently - has a lead or lag. Due to the design of plate cylinder 04 and inking roller 07 each with the same amount
  • Circumferential length and the adjustment of the synchronism between the plate cylinder 04 and the inking roller 07 is the print quality detrimental effect of
  • Inking roller 07 a separate drive is not required, which saves costs and also because of the simpler mechanical design z. B. facilitates replacement of the inking roller 07 during maintenance or repair work.
  • the inking roller 07 has in its preferred embodiment a closed, preferably rubberized lateral surface.
  • the preferably designed as an anilox roller 08 inking roller 08 has a z. B. coated with a ceramic
  • the outer diameter d08 of the anilox roller 08 is preferably formed larger than the outer diameter d07 of the inking roller 07.
  • the anilox roller 08 should therefore have the largest possible delivery volume.
  • Fig. 2 the respective direction of rotation of the segment wheel 03, the plate cylinder 04, the
  • Ink roller 07 and the anilox roller 08 each indicated by a direction of rotation arrow.
  • At least the inking roller 08 preferably designed as an anilox roller 08, has a tempering device with the aid of which Jacket surface of this roller is tempered.
  • the tempering of the anilox roller 08 operates z. B. with a introduced into the interior of the anilox roller 08 tempering, wherein the tempering z. B. is water or another liquid coolant.
  • the delivery volume of the anilox roller 08 can be influenced, since thus the viscosity of the inking unit 06 to be transported
  • Printing ink is affected.
  • the delivery volume of the anilox roller 08 and the viscosity of the ink to be transported by the ink 06 in turn ultimately affect a color density of the réelletragenden on the cylindrical surface of the hollow body 01 to be printed ink.
  • a thickness of a to be applied on the cylindrical surface of the hollow body 01 to be printed, formed by the ink color film is z. B. at about 3 ⁇ .
  • the ink reservoir of the inking unit 06 is z. B. as formed in conjunction with the anilox roller 08 chamber doctor blade system 09.
  • form in this chambered doctor blade system 09 at least one ink tray, an axially parallel to the anilox roller 08 employees or at least adjustable squeegee and preferably also a pump for conveying the ink a single unit. This is this
  • Chamber doctor blade system 09 in the inking unit 06, d. H. on a frame of the inking unit 06 preferably only one side z. B. held by a suspension or stored, so that this unit in a simple manner after its release from the frame of the inking unit 06 laterally, d. H. by an axially parallel to the anilox roller 08 directed movement, z. B. by pulling on a arranged on this unit handle from the inking unit 06 removable and thus interchangeable.
  • This assembly of the chambered doctor blade system 09 preferably forms a cantilever arm on a side frame of the inking unit 06.
  • FIG. 4 shows a perspective view of the chambered doctor blade system 09 formed as a single structural unit in cooperation with the anilox roller 08 of the inking unit 06.
  • the anilox roller 08 After the anilox roller 08 ink has absorbed from the ink reservoir, ie in particular from the chambered doctor blade 09, the anilox roller 08 transports them Printing ink directly and directly or through other rollers belonging to the inking unit 06 compactor to the preferably only one inking roller 07. In an in the direction of rotation of the anilox roller 08 employed to the anilox roller 08
  • Chamber doctor blade 09 subsequent area between the chambered doctor blade 09 and the inking roller 07 is preferably a rider roll 13 employed on the anilox roller 08 or at least adjustable to improve uniformity of ink application on the anilox roller 08 and their color transport.
  • the rider roll 13 is arranged axially parallel to the anilox roller 08.
  • the rider roll 13 is not considered to belong to the roller train of the inking unit 06 because it does not transfer ink from the anilox roller 08 to another roller.
  • the of the anilox roller 08 z. B. by friction rotatably driven rider roller 13 has z. B. a rubberized jacket surface.
  • the hired on the anilox roller 08 rider roller 13 sucks in their unwinding on the lateral surface of the anilox roller 08 a part of the anilox roller 08 from
  • Chamber doctor blade 09 recorded ink from the Haschur or the wells of the anilox roller 08 and applies this ink at least partially on the
  • a tempering having anilox roller 08 also improves the effectiveness of controlling the color density, characterized in that the rolling on the anilox roller 08 rider roller 13 contributes to the provision of a larger amount of ink.
  • the rider roller 13 rolling on the anilox roller 08 thus reduces, irrespective of the specific design of the anilox roller 08, d. H. with or without one
  • Tempering device both density differences that can be caused by manufacturing tolerances of the anilox roller 08, as well as the risk of visibility of Haschur or wells of the anilox roller 08 on the substrate, ie here on the lateral surface of the hollow body 01 to be printed as a result of at least in places too low paint.
  • the device for printing hollow bodies is preferably a fixed assignment to at least one, preferably to each plate cylinder, in particular plate cylinder 04 each provided a disc changer 14, with which the intended for the respective printing forme cylinder
  • the disc changer 14 z. B. in the apparatus for printing hollow bodies on the relevant printing unit in association with the printing forme cylinder 04, which the inking unit 06 with the one-sided unit of the
  • Chamber doctor blade system 09 has arranged, said plate changer 14 which is for this printing forme 04 certain printing form from that side of the relevant printing unit, which is diametrically opposite to the unit of the chambered doctor blade 09 side, supplied or at least fed.
  • 5 and 6 show a perspective view of a preferred embodiment of a very advantageously designed disk changer 14 in two different
  • FIG. 5 shows a first operating position, in which axially laterally next to the printing unit on the plate cylinder or plate changer 14 z.
  • Fig. 6 shows a second operating position, in which immediately before the printing form cylinder or plate cylinder 04 along to this from the plate changer 14 from z.
  • the disk changer 14 has a particular plane, z. B. table-shaped support surface 16, on which z. B. a arranged on the plate cylinder 04 or to be arranged printing plate can be placed preferably completely.
  • the support surface 16 is preferably linear in particular along the axis of rotation of the associated printing forme cylinder or
  • Support surface 16 of the disc changer 14 a first operating position, in a position immediately before the plate cylinder or plate cylinder 04 along this second position of the support surface 16 its second operating position.
  • the support surface 16 of the disc changer 14 is at least partially in front of an end face of the respective printing forme cylinder or
  • the support surface 16 of the plate changer 14 is preferably at least partially below the lateral surface of the plate cylinder or plate cylinder 04.
  • the movement of the support surface 16 of the plate changer 14 is z. B. along a longitudinal to the printing forme cylinder or
  • Plate cylinder 04 arranged Traverse 17.
  • the support surface 16 of the disc changer 14 thus has a reference to the respective plate cylinder or plate cylinder 04 axial travel.
  • Plate changer 14 defining positions is the movement of the support surface 16 z. B. each bounded by a stop. At least the carrier of the concerned
  • Pressure clichés abuts a first stop and an orthogonal to the first edge second edge of the carrier of the respective printing plate to a second stop.
  • one of these two stops in its position is preferably changeable and in particular adjustable.
  • the variable in its position stop z. B. the relevant printing plate in register aligned.
  • the adjustment of the variable in its position stop can be done manually or automatically by a control unit. Since the printing plate is supplied to the relevant plate cylinder 04 in register, is on the plate cylinder 04 z. B. no centering pin and no other register device provided.
  • the first stop and / or the second stop are preferably as one on each of the
  • Support surface 16 of the plate changer 14 is formed vertically standing cylindrical or conical machine element, preferably each as a standing on the support surface 16 of the disc changer 14 register pin.
  • the plate changer 14 has in its preferred embodiment except the support surface 16 for receiving a z. B. the plate cylinder 04 in particular to be supplied in register pressure cliche z.
  • z. B. a detached from the plate cylinder 04 printing plate can be stored.
  • a z. B. by means of its carrier in particular magnetically held on the lateral surface of the respective plate cylinder 04 printing plate z. B. by means of a tool guided tangentially to the printing form, for. B. by means of a between the support of the printing plate and the
  • Lateral surface of the relevant plate cylinder 04 is lifted or at least can be lifted from there.
  • the lifted off from the lateral surface of the respective plate cylinder 04 one end of the respective printing plate is introduced by rotation of the relevant plate cylinder 04 in the relevant compartment of the plate cylinder 04.
  • By a continuation of this rotation of the respective plate cylinder 04 is then the entire of the lateral surface of the relevant plate cylinder 04 dissolved printing plate inserted into the relevant tray of the disc changer 14.
  • a printing plate which is preferably to be supplied in register with the relevant plate cylinder 04 is held on the bearing surface 16 of the plate changer 14, in particular after its register-oriented alignment, by a magnetic holding force.
  • It is at least one stamp, preferably two in the longitudinal direction of the respective plate cylinder 04 spaced pistes each provided with a magnetic holding force oppositely directed direction of action, said effective direction to the support surface 16 of the disk changer 14 z. B. is directed substantially orthogonal. With this at least one stamp at least one of the relevant plate cylinder 04 facing the end of the bearing surface 16 of the plate changer 14 held printing plates from this support surface 16 releasably and due to a lifting movement of the at least one punch to the relevant plate cylinder 04 can be transferred.
  • the at least one stamp is z. B.
  • each magnets are used, these magnets are preferably each formed as a permanent magnet.
  • the above-described embodiment of the plate cylinder 04 has the advantage that a conveyor for transferring the printing plate to the respective plate cylinder 04 or for removing the printing plate of the respective plate cylinder 04 is not required and the disc changer 14 can therefore be realized very inexpensively. In particular, a plate change with the disk changer 14 described above can be carried out automatically.
  • the plate cylinder 04 or plate cylinder is mounted at both ends on a load arm of a force arm and the load arm preferably one-sided first lever assembly 18, wherein the power arm and the angle fixed to the power arm arranged load arm of this first lever assembly 18 together about an axis parallel to the plate cylinder 04 directed first axis of rotation 19 are pivotable.
  • first drive 21 z In an operative connection to the power arm of the first lever assembly 18 is for exerting a torque about the first axis of rotation 19, a preferably controllable by a control unit first drive 21 z. B. arranged in the form of a hydraulic or pneumatic working cylinder, wherein upon actuation of this first drive 21 depending on the direction of action of the load arm of this first lever assembly 18 arranged printing form cylinder or plate cylinder 04 either of a
  • Blanket z. B. the segmented wheel 03 is turned off or employed on selbiges.
  • a first stop 22 is provided for the power arm of the first lever assembly 18, by means of which a by the pivotal movement of the plate cylinder or plate cylinder 04 against the Segmentrad 03 réelle.00 path is limited.
  • the pressing force exerted by the plate cylinder or plate cylinder 04 against the segment 03 is adjustable.
  • the inking roller 07 is in particular at both ends of a load arm one consisting of a power arm and the load arm
  • one-sided second lever assembly 23 is mounted, wherein the power arm and the load arm of this second lever assembly 23 are pivotable together about the axially parallel to the plate cylinder 04 directed first axis of rotation 19.
  • Ink roller 08 in particular mounted at both ends on a load arm of an existing from a power arm and the load arm preferably one-sided third lever assembly 24, wherein the power arm and the load arm of this third lever assembly 24th together about an axis parallel to the anilox roller 08 directed second axis of rotation 26 are pivotally, wherein the second axis of rotation 26 of the third lever assembly 24 is disposed on the second lever assembly 23.
  • the second axis of rotation 26 is preferably formed stationary on the second lever arrangement 23.
  • On the load arm of the first lever assembly 18 is a in its operation on the power arm of the second
  • Lever assembly 23 acting preferably controllable second drive 27 is arranged, by means of which the inking roller 07 depending on the effective direction of the second drive 27 to the plate cylinder 04 can be adjusted or deactivated.
  • On the load arm of the second lever assembly 23 is a in its operation on the power arm of the third
  • Lever assembly 24 acting preferably controllable third drive 28 arranged by means of which the anilox roller 08 preferably together with the chambered doctor blade 09 depending on the direction of action of the third drive 28 to the inking roller 07 engageable or offset from this.
  • the second drive 27 and / or the third drive 28 are each z. B. also formed in the form of a hydraulic or pneumatic working cylinder. It can be provided that the second drive 27 and the third drive 28 z. B.
  • the pivoting movement of the load arm of the second lever assembly 23 is z. B. limited by a preferably adjustable, in particular adjustable by an eccentric first stop system 29, whereby also from the
  • FIG. 2 shows, by way of example, a first operating state in which the first drive 21 and the second drive 27 and the third drive 28 are in each case unactuated or in their idle state, as a result of which
  • FIG. 3 shows an example of a second operating state in which the first drive 21 and the second drive 27 and the third drive 28 are respectively actuated or in their working state, whereby the anilox roller 08 of the inking roller 07 and the inking roller 07 from the plate cylinder or plate cylinder 04 and the plate cylinder or plate cylinder 04 are parked by the segment 03 each.
  • the respective force arm and / or load arm of the three aforementioned lever arrangements 18; 23; 24 is or are each z.
  • B. formed as a pair of opposing lever rods or side frame walls, between which in the respective above-described assignment of either the plate cylinder or
  • Plate cylinder 04 or the inking roller 07 or the anilox roller 08 is arranged.
  • the three aforementioned lever arrangements 18; 23; 24 are each arranged in different spaced-apart vertical planes, so that they do not interfere with each other in their respective pivoting.

Landscapes

  • Printing Methods (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

L'invention concerne un dispositif pourvu d'une pluralité d'unités d'impression destinées chacune à l'impression de corps creux, un dispositif de transport étant prévu pour transporter les corps creux à imprimer dans une zone d'impression d'au moins une des unités d'impression, au moins une des unités d'impression comportant un cylindre porte-plaque (04), un changeur de plaque (14) étant disposé en liaison avec le cylindre porte-plaque (04).
EP15732663.8A 2014-07-16 2015-06-29 Dispositif avec plusieurs unités d'impression pour imprimer sur corps creux Active EP3169520B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15732663T PL3169520T3 (pl) 2014-07-16 2015-06-29 Urządzenie z pewną liczbą zespołów drukujących do zadrukowywania pustych korpusów

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014213813.2A DE102014213813B4 (de) 2014-07-16 2014-07-16 Vorrichtung zum Bedrucken jeweils einer Mantelfläche von Hohlkörpern
DE102014221220 2014-10-20
PCT/EP2015/064648 WO2016008705A1 (fr) 2014-07-16 2015-06-29 Dispositif pourvu d'une pluralité d'unités d'impression destinées chacune à l'impression de corps creux

Publications (2)

Publication Number Publication Date
EP3169520A1 true EP3169520A1 (fr) 2017-05-24
EP3169520B1 EP3169520B1 (fr) 2018-04-25

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EP15732663.8A Active EP3169520B1 (fr) 2014-07-16 2015-06-29 Dispositif avec plusieurs unités d'impression pour imprimer sur corps creux

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US (1) US9895876B2 (fr)
EP (1) EP3169520B1 (fr)
JP (1) JP6250224B2 (fr)
CN (1) CN106536202B (fr)
PL (1) PL3169520T3 (fr)
WO (1) WO2016008705A1 (fr)

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Also Published As

Publication number Publication date
JP2017519669A (ja) 2017-07-20
US9895876B2 (en) 2018-02-20
CN106536202B (zh) 2018-01-09
WO2016008705A1 (fr) 2016-01-21
US20170190169A1 (en) 2017-07-06
EP3169520B1 (fr) 2018-04-25
PL3169520T3 (pl) 2018-07-31
JP6250224B2 (ja) 2017-12-20
CN106536202A (zh) 2017-03-22

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