EP2464518A1 - Dispositif et procédé de sérigraphie rotative - Google Patents

Dispositif et procédé de sérigraphie rotative

Info

Publication number
EP2464518A1
EP2464518A1 EP10747169A EP10747169A EP2464518A1 EP 2464518 A1 EP2464518 A1 EP 2464518A1 EP 10747169 A EP10747169 A EP 10747169A EP 10747169 A EP10747169 A EP 10747169A EP 2464518 A1 EP2464518 A1 EP 2464518A1
Authority
EP
European Patent Office
Prior art keywords
rotary screen
screen printing
printing
cylinder
substrate
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Withdrawn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
EP10747169A
Other languages
German (de)
English (en)
Inventor
Erhard Herbert GLÖCKNER
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.)
Zyrus Beteiligungs GmbH and Co Patente I KG
Original Assignee
Zyrus Beteiligungs GmbH and Co Patente I 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
Application filed by Zyrus Beteiligungs GmbH and Co Patente I KG filed Critical Zyrus Beteiligungs GmbH and Co Patente I KG
Publication of EP2464518A1 publication Critical patent/EP2464518A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0804—Machines for printing sheets
    • B41F15/0809—Machines for printing sheets with cylindrical or belt-like screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0872—Machines for printing on articles having essentially cylindrical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/38—Screens, Frames; Holders therefor curved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/40—Inking units
    • B41F15/42—Inking units comprising squeegees or doctors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/44—Squeegees or doctors
    • B41F15/46—Squeegees or doctors with two or more operative parts

Definitions

  • the invention relates to a rotary screen printing apparatus comprising a rotatably mounted about a printing cylinder axis pressure cylinder whose cylinder jacket is at least partially formed by a printing screen, a rotatably mounted about a counter-pressure cylinder axis impression cylinder and a relative to
  • Cylinder jacket of the printing cylinder movable, at least partially disposed in the interior of the printing cylinder doctor blade for printing ink through the printing screen on a substrate to be printed. Furthermore, the invention relates to a use of a rotary screen printing apparatus and a rotary screen printing method.
  • a filled printing ink is applied to the material to be printed via a rotating printing cylinder provided with a printing screen.
  • a doctor arranged in the interior of the printing cylinder usually not rotating with the printing cylinder squeegee pushes the ink through the rotation of the printing cylinder circumferentially through the mesh of the printing screen.
  • the material to be printed is received by a likewise rotating counter-pressure roller.
  • the material to be printed is not in continuous webs, but in individual sheets, which must therefore be held during the printing process on the impression cylinder.
  • the impression cylinder gripper bars are described (see, for example, DE 199 49 099 C2).
  • a generic rotary screen device for example, the
  • EP 072 38 64 B1 describes a rotary screen printing machine for ground pressure with a forme cylinder carrying a screen printing stencil, a printing cylinder having at least one cylinder pit and forms the printing gap with the forme cylinder, and with a radially adjustable in the interior of the forme cylinder squeegee Area of the nip is installed and which is pressed during a printing operation against the inside of the screen stencil.
  • the printing cylinder is provided in each cylinder pit with sheet grippers, which in its closed position, the printing
  • the adjustable squeegee and a squeegee-controlling adjusting mechanism are adapted to adjust the squeegee in a rest position lifted from the inside of the rotary screen stencil when the open area of a cylinder pit of the printing cylinder covers the area of the cylinder
  • EP 8 791 45 B1 shows a rotary screen printing machine for printing on goods or sheet-like material, wherein the rotary screen printing machine comprises a main frame on which at least one screen printing unit is mounted.
  • Screen printing unit has a template, a stencil holder, a
  • Print paste delivery systems are housed in a base that can be moved in a direction transverse to the main frame of the printing machine.
  • DE 102 322 54 B4 describes a rotary screen printing machine with a pressure cylinder rotatably mounted about a printing cylinder axis, whose cylinder jacket is at least partially formed by a printing screen.
  • a pressure cylinder rotatably mounted about a printing cylinder axis, whose cylinder jacket is at least partially formed by a printing screen.
  • Pressure roller arranged on a doctor blade holder, extending parallel to the printing cylinder axis squeegee presses on a paint container in
  • the direction of rotation in front of the squeegee is one with the paint container
  • a rotary screen printing device having a rotatably mounted about a printing cylinder axis pressure cylinder whose
  • Cylinder jacket is at least partially formed by a printing screen, a rotatably mounted about a counter-pressure cylinder axis counter-pressure cylinder and a movable relative to the cylinder jacket of the printing cylinder, at least partially arranged in the interior of the printing cylinder doctor for printing ink through the printing screen to a substrate to be printed.
  • the printed image can be adapted to varying properties of the substrate, such as a previously printed printed image.
  • the printing length can be varied. This allows the printed image to be varied, allowing for more complex structures.
  • Pressure cylinder axis and impression cylinder axis varies radially. Alternatively or additionally, however, the distance can also be varied tangentially. The adjustment of the distance or the radii can preferably be carried out continuously and / or in discrete steps. It is advantageous if the adjusting device (s) can be locked by a locking device (are).
  • the impression cylinder may be at least partially made of rubber. Such a cylinder, for example, analogous to a blanket cylinder, as it is known from offset printing or gravure, be formed. In combination with the adjustment of the distance between
  • Pressure cylinder axis and counter-pressure cylinder axis can thus be particularly easily varied the effective extent or the print length, whereby the printed image can be changed.
  • a control device for controlling the position and / or orientation and / or translational and / or rotational speed and / or geometric shape of the doctor blade is provided according to a third aspect of the invention.
  • a curve guide in the printing cylinder had to be replaced in each case, which has led to considerable conversion costs or to a loss of time.
  • the printing cylinder comprises a plurality of ink chambers, in particular for different colors, wherein the ink supply of at least one or each ink to be supplied preferably via a
  • At least two doctor blades are provided or at least one doctor blade is divided into corresponding partial doctor blades.
  • printing images arranged side by side in different printing colors can be printed with different colors.
  • the ink supply via an electronic control in response to a color consumption is regulated. This can appropriate
  • the electronic control can be provided separately or by a central control unit of
  • Rotary screen printing device to be included. As a result, different print motifs can be produced depending on a single color.
  • the rotary screen printing device is designed for printing on substrates with a plurality of printed images arranged next to one another.
  • at least one controllable drive can be formed. It can the
  • Control device in particular in a storage means, such as a memory chip or a magnetic memory (eg., Magnetic memory card), stored control programs for control.
  • the controllable drive is preferably a linear drive.
  • Rotary screen printer controller controllable and / or programmable.
  • the distance between the impression cylinder axis and impression cylinder axis can be manually adjustable, for example.
  • the section can also be manually adjustable, for example.
  • the section can also be manually adjustable, for example.
  • Rotary screen printer device control be adjustable. Also in this regard, provided on a storage means control programs can be used.
  • Counter-pressure cylinder provided to fix the substrate to be printed and / or position.
  • at least one electronically controllable actuator in particular a microactuator, can be designed to adjust the positioning of the substrate for setting the registration and / or positioning of the printed image on the substrate, in particular during the printing process. The positioning can be done manually or automatically.
  • the setting of the registration and / or positioning of the printed image on the substrate relative to a predetermined substrate edge and / or already printed printed images and / or to particular optoelectronic reference marks electronically in particular by means of provided optoelectronic components such as photodiodes and / or CCD cameras and / or MOS cameras feasible.
  • the opto-electronic component (s) for analyzing the printed image on the substrate are in an outlet of the rotary screen printing apparatus
  • Rotary screen printing apparatus for printing substrate sheets and / or roll-shaped substrates, wherein the
  • Substrate sheets / substrates by means of offset printing and / or gravure printing and / or flexographic printed substrate sheets / substrates are.
  • a first printing and / or gravure printing and / or flexographic printed substrate sheets / substrates are offset printing and / or flexographic printed substrate sheets / substrates.
  • a second printing and / or gravure printing and / or flexographic printed substrate sheets / substrates are offset printing and / or gravure printing and / or flexographic printed substrate sheets / substrates.
  • Rotary screen device are also used for printing with several sides arranged side by side.
  • the object is achieved independently by a method for printing on
  • Rotary screen printing machine in particular of the type described above, wherein the substrate sheets / substrates by means of offset printing and / or gravure printing and / or flexographic printed substrate sheets and wherein a positioning of the rotary screen image, in particular during the printing process, in relation to the previously printed image of the offset printing and / or gravure printing and / or flexographic printing takes place.
  • the positioning can be done by means of the optoelectronic components described above.
  • a method comprising the steps of providing a rotary screen printing apparatus comprising a rotatably mounted about a pressure cylinder axis pressure cylinder whose cylinder jacket is at least partially formed by a printing screen, a rotatably mounted about a counter-pressure cylinder axis impression cylinder and a relative to Cylinder jacket of the printing cylinder movable, at least partially disposed in the interior of the printing cylinder doctor blade for pressing ink through the printing screen to a substrate to be printed; and adjusting a distance between the impression cylinder axis and the impression cylinder axis, especially during operation.
  • a rotary screen printing apparatus comprising a rotatably mounted about a pressure cylinder axis pressure cylinder whose cylinder jacket is at least partially formed by a printing screen, a rotatably mounted about a counter-pressure cylinder axis impression cylinder and a relative to Cylinder jacket of the printing cylinder movable, at least partially disposed in the interior of the printing cylinder doctor blade for pressing ink
  • the position and / or orientation and / or translational and / or rotational speed and / or geometric shape of the doctor blade are controlled as a function of specifications and / or previously measured parameters of the substrate.
  • a control as a function of an already previously applied print image on the substrate is also conceivable.
  • a component for varying the printed image is used in the form of the doctor blade, which is already elementary part of a
  • Rotary screen printing machine is. As a result, the variability of the method can be increased without further components by simple means.
  • a control device for controlling the position and / or orientation and / or translational and / or rotational speed and / or geometric shape of the doctor blade is programmed.
  • a control device for controlling the position and / or orientation and / or translational and / or rotational speed and / or geometric shape of the doctor blade is programmed.
  • the ink supply of at least one or each color to be supplied is controlled electronically and optionally programmed an electronic control accordingly.
  • the ink supply is regulated as a function of a color consumption.
  • Counter-pressure cylinder axis especially during operation or pressure, manually adjusted.
  • the distance can also be adjusted automatically, in particular by a control device or the central rotary screen pressure control device.
  • FIG. 1 shows a rotary screen printing machine in a schematic side view according to the prior art
  • - Fig. 2 is a printing cylinder and a counter-pressure cylinder of
  • - Fig. 3 is a printing cylinder and impression cylinder of an inventive
  • Rotary screen printing machine in a first position in a schematic view
  • FIG. 4 shows a printing cylinder and counter-pressure cylinder according to FIG. 3 in a second position in a schematic view
  • FIG. 5 is a schematic view of a pressure cylinder according to a preferred embodiment
  • FIG. 6 shows a section of the printing cylinder from FIG. 5 along the section line
  • FIGS. 1 and 2 The prior art rotary screen printing apparatus described by FIGS. 1 and 2 can in principle be the basis of the invention
  • the rotary screen printing apparatus illustrated in FIG. 1 is designed for printing on a single-sheet substrate 2 to be printed in a magazine 1.
  • the path of the substrates 2 (in the present case, the substrate is concretely formed in the form of individual sheets) by the rotary screen printing apparatus is indicated by arrows.
  • the substrates 2 arrive one after the other via a feed device 3 to a rotating impression cylinder 4.
  • This has a gripper bar 5 shown in FIG. 2, with which the substrate 2 is clamped on the impression cylinder 4.
  • the rotation acts on the Substrate 2, a likewise rotating pressure cylinder 6, which at a
  • Machine frame 7 is mounted. After printing, the gripper bar 5 releases the now printed substrate 2 again and this is during its further
  • Fig. 2 shows how a printing screen 8 under the action of the gripper bar 5 of the
  • Counter-pressure cylinder 4 is deformed during the successive unwinding of pressure cylinder 6 and impression cylinder 4.
  • the illustration in Fig. 2 is only schematic and also corresponds herichtlich the arrangement of the printing cylinder 6 and the
  • a squeegee may preferably be designed as in DE 199 49 099 C2 and cooperate with the corresponding rotary screen printing device, as described in particular with reference to FIGS. 3 to 5 of DE 199 49 099 C2.
  • Fig. 3 shows a printing cylinder 6 which is rotatably mounted about a printing cylinder axis 10, and a counter-pressure cylinder 4, which is mounted rotatably about a counter-pressure cylinder axis 11.
  • the impression cylinder 6 and the impression cylinder 4 rotate in opposite directions in the direction of the arrows 12 and 13.
  • An adjusting device 14 is provided, which makes it possible to set a distance 15 between impression cylinder axis 10 and impression cylinder axis 11.
  • the adjusting device 14 may be constructed telescopically.
  • An adjustment can be done manually, hydraulically or by electric drive.
  • an adjustment is electronically controllable, wherein a (not shown) control device can be programmed accordingly.
  • a central control unit is provided, which has one or more
  • Rotary screen printing controls accordingly. For example, this can also be done over a network, such as the Internet or an intranet.
  • the control can be wired or wireless, for example by means of infrared or radio.
  • Fig. 4 shows the impression cylinder 6 and impression cylinder 4 of FIG. 3, but with the corresponding distance 15 between impression cylinder axis 10 and
  • Counter-pressure cylinder axis 11 is shortened. As a result, printing cylinder 6 and / or impression cylinder 4 are deformed accordingly, so that increases the print length. In addition, the contact pressure of pressure cylinder 6 and impression cylinder changes 4 on the substrate (not shown). It is thus created a way to achieve a simple variation of the printed image.
  • the variation of the distance 15 can be done, for example, continuously or discretely. It is advantageous if the adjusting device can be locked accordingly by a locking device.
  • the locking device allows locking in at least 10, preferably at least 100 discrete locking positions.
  • the distance can be controlled by the control device (not shown in the figures), whereby parameters of the substrate or measured values obtained during pressing by corresponding measuring devices (not shown) are used to control the distance 15.
  • Fig. 5 shows the printing cylinder 6 in a preferred embodiment in a schematic view. Inside the printing cylinder 6 is a
  • FIG. 6 shows a section through the pressure cylinder 6 from FIG. 5 along the section line VI-VI.
  • FIG. 5 also shows a color feeder 18 which applies printing ink to the inner wall of the printing cylinder 6 (or a printing screen, not shown) from a color chamber 19.
  • a color feeder 18 which applies printing ink to the inner wall of the printing cylinder 6 (or a printing screen, not shown) from a color chamber 19.
  • Overall preferably three (or two or
  • the ink supply can be electronically controlled by a central controller or a separate controller. By providing several doctor blades, several printed images arranged side by side can be printed with different colors. Corresponding measuring units (not shown) can be provided which measure the ink consumption and accordingly control the ink supply electronically via a controller.
  • the doctor blade 17 or, if appropriate, the partial doctor blade 17a to 17c can each be moved translationally and / or radially separately by a control or the central control, this being particularly advantageous during the printing operation.
  • Such a possibility for displacement is also advantageous when a doctor blade 17 which is not subdivided into partial doctor blades is provided. Again, it is conceivable that a shift takes place continuously and / or discretely. It can be provided corresponding locking means (not shown in the figures).
  • By an axial displacement for example, only small areas in the printing cylinder can be berakelt.
  • the doctor blade 17 or the doctor blade holder 16 is not rigidly but rotatably mounted so that several surfaces per revolution of the printing cylinder 6 can be berakelt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)

Abstract

L'invention concerne un dispositif de sérigraphie rotative comprenant un cylindre d'impression (6) qui est monté à rotation autour d'un axe (10) de cylindre d'impression et dont l'enveloppe cylindrique est formée au moins par endroits par un tamis d'impression (8); un contre-cylindre d'impression (4) monté à rotation autour d'un axe (11) de contre-cylindre d'impression et une racle (17) disposée de manière mobile par rapport à l'enveloppe cylindrique du cylindre d'impression (6) et au moins en partie à l'intérieur du cylindre d'impression (6), pour presser des encres colorées à travers le tamis d'impression (8) sur un substrat (2) à imprimer, au moins un dispositif de réglage étant prévu pour régler une distance (15) entre l'axe (10) du cylindre d'impression et l'axe (11) du contre-cylindre d'impression et/ou un rayon du cylindre d'impression (6) et/ou du contre-cylindre d'impression (4).
EP10747169A 2009-08-14 2010-08-16 Dispositif et procédé de sérigraphie rotative Withdrawn EP2464518A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009037332A DE102009037332A1 (de) 2009-08-14 2009-08-14 Rotationssiebdruckvorrichtung und -verfahren
PCT/EP2010/005016 WO2011018243A1 (fr) 2009-08-14 2010-08-16 Dispositif et procédé de sérigraphie rotative

Publications (1)

Publication Number Publication Date
EP2464518A1 true EP2464518A1 (fr) 2012-06-20

Family

ID=43087155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10747169A Withdrawn EP2464518A1 (fr) 2009-08-14 2010-08-16 Dispositif et procédé de sérigraphie rotative

Country Status (6)

Country Link
US (1) US20120204744A1 (fr)
EP (1) EP2464518A1 (fr)
JP (1) JP2013501646A (fr)
CN (1) CN102625748A (fr)
DE (1) DE102009037332A1 (fr)
WO (1) WO2011018243A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6233799B2 (ja) * 2013-09-13 2017-11-22 株式会社小森コーポレーション ロータリースクリーン印刷装置
DE102014226869B4 (de) * 2014-12-22 2022-03-17 Koenig & Bauer Ag Rakeleinrichtung für eine Siebdruckmaschine und Siebdruckmaschine
DE102015208921B4 (de) * 2015-05-13 2021-11-04 Koenig & Bauer Ag Druckwerk
CN113103744B (zh) * 2021-03-17 2022-07-08 广州盛雅图玻璃工艺有限公司 一种转式丝网印刷机的丝网滚筒机构
CN116619894B (zh) * 2023-07-24 2023-09-12 山东琴雅服饰集团有限公司 一种防火服生产用印刷设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD156050A3 (de) * 1980-04-15 1982-07-28 Regina Wege Dosiereinrichtung fuer ein farbwerk,insbesondere an offsetdruckmaschinen
JPS6094353A (ja) * 1983-10-29 1985-05-27 Dainippon Printing Co Ltd グラビア輪転印刷機の駆動機構
DE3909764A1 (de) * 1989-03-23 1990-09-27 Mbk Maschinenbau Gmbh Opto-elektronisches justierverfahren und einrichtung zur automatischen rechnergesteuerten positionierung der druckschablonen einer rotationssiebdruckmaschine
US5265529A (en) * 1992-06-09 1993-11-30 A. B. Dick Company Single piston impression cylinder throw-off
US5878660A (en) * 1994-08-08 1999-03-09 Riso Kagaku Corporation Stencil printing drum with friction reducing means
AU696709B2 (en) 1995-01-24 1998-09-17 Kba-Notasys Sa Rotary screen printing machine for sheet printing
NL1000306C2 (nl) 1995-05-04 1996-11-05 Stork X Cel Bv Rotatiezeefdrukmachine.
CN1079334C (zh) * 1995-06-30 2002-02-20 理想科学工业株式会社 孔版印刷装置的印版滚筒
DE19949099C2 (de) 1999-10-12 2003-08-14 Sonko Konstruktions Und Sonder Rotationssiebdruckmaschine
DE10232254B4 (de) 2002-07-17 2007-04-26 Elbers, Brigitta Rotationssiebdruckmaschine
EP1582349A1 (fr) * 2004-03-30 2005-10-05 Kba-Giori S.A. Procédé et machine à imprimer
ITMO20060127A1 (it) * 2006-04-19 2007-10-20 Pont Massimiliano Dal Apparato di stampa

Non-Patent Citations (1)

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Title
See references of WO2011018243A1 *

Also Published As

Publication number Publication date
US20120204744A1 (en) 2012-08-16
JP2013501646A (ja) 2013-01-17
WO2011018243A1 (fr) 2011-02-17
DE102009037332A1 (de) 2011-02-17
CN102625748A (zh) 2012-08-01

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