EP0805024B1 - Rotationssiebdruckmaschine zum Drucken grosser Bilder - Google Patents
Rotationssiebdruckmaschine zum Drucken grosser Bilder Download PDFInfo
- Publication number
- EP0805024B1 EP0805024B1 EP97105871A EP97105871A EP0805024B1 EP 0805024 B1 EP0805024 B1 EP 0805024B1 EP 97105871 A EP97105871 A EP 97105871A EP 97105871 A EP97105871 A EP 97105871A EP 0805024 B1 EP0805024 B1 EP 0805024B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- individual
- rotary screen
- templates
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007639 printing Methods 0.000 title claims description 69
- 238000010022 rotary screen printing Methods 0.000 title claims description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/10—Machines for multicolour printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0831—Machines for printing webs
- B41F15/0836—Machines for printing webs by means of cylindrical screens or screens in the form of endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
- B41P2213/70—Driving devices associated with particular installations or situations
- B41P2213/73—Driving devices for multicolour presses
- B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/50—Printing presses for particular purposes
- B41P2217/52—Printing presses for particular purposes for printing a long repeat length on webs
Definitions
- the invention relates to a rotary screen printing machine for Print large images using multiple relative speeds synchronized circular templates that correspond to a partial repeat optionally liftable from their print position and onto the one to be printed Goods can be lowered.
- the partial repeats by a round template or group of templates on the goods to be printed e.g. textile materials
- several similar methods are known to be printed.
- the individual stencils are over a vertical shaft and individually assigned bevel gear driven so that an individual Control of a single stencil drive is not possible.
- DE-GM 72 30 388 that on the printing blanket speed synchronized lifting of individual circular templates e.g. by To control crank drives, eccentrics or cams, whereby the speed adjustment for circular templates different Diameter achieved by a suitable choice of gear ratios becomes.
- Similar rotary printing machines for large repeat patterns are in AT-311 289, DE-A-2 224 480 and DE-GM 73 32 801.
- EP 0 396 924 B1 describes a rotary screen printing machine for printing large images using several synchronized in terms of their relative speed Circular templates, which can be selected according to a partial repeat can be lifted from their print position and onto the goods to be printed can be lowered and each with a single drive for template turning are provided. There is also a problem with this machine elaborate adjustment.
- the invention is therefore based on the object of a rotary screen printing machine for printing large-format images, at a pattern change can be carried out comparatively very quickly and with which a very precise print quality can be achieved without that when upgrading or retrofitting the machine e.g. larger quantities of goods or loss of printing paste Need to become.
- Each individual rotary drive and the acceleration are preferably Circular stencils at a speed that is synchronous with the printing blanket through a programmable control individually and incrementally relative adjustable to the other rotary single drives.
- the individual drives are preferably - as known in principle from EP 0 396 924 B1 - by Stepper motors that can be operated continuously.
- All drive and setting parameters can be controlled via the program control for a single circular template either from a central one Master computer unit or also via individually assigned parameterizable Specify and change control units.
- Figure 1 shows a schematic functional representation, in the manner of representation corresponds to that of FIG. 1 in EP-0 396 924 B1, one for Printing of large-format images of a rotary screen printing machine, in the program-controllable individual drives for the individual printing stations with the simultaneous possibility is provided the round stencils / printing stencils of the printing stations individually and likewise programmable lifting and lowering.
- a drive roller 14 and a tension roller 11 are provided for a rotating printing blanket 3 in the rotary screen printing machine. Furthermore, three printing units are shown as an example, which in a manner known per se only have printing stencils 4 indicated only schematically and each have a stencil drive pinion 12 mounted laterally and below the printing blanket 3 (the printing blanket).
- the printing blanket 3 is driven via the drive roller 14 by means of a direct current motor 1, which is regulated by a converter 2, which is controlled analogously via a master computer 8.
- a pulse generator 7, which is assigned to the tensioning roller 11 and which generates a digital signal f m corresponding to the speed of movement of the printing blanket 3, is provided as all the individual drives of the printing templates.
- a frequency divider 9 connected downstream of the pulse generator 7 reduces the digital signal f m with a ratio that can be determined by the master computer 8 and feeds the corresponding digital signals to the master computer 8.
- These digital signals are processed in the master computer 8 in a known manner to digital control signals which are supplied to a plurality of sub-computers (CPU) 6 corresponding to the number of printing templates 4 with a downstream power driver for a respective stepper motor 5.
- the printing stencils 4 are driven with an angular position (phase position) that is exactly constant relative to one another.
- Fig. 1 only three printing stencils 4 are shown with associated drive units; however, it is obvious that any number of stencils 4 can be driven in the same way.
- each printing unit each printing template
- the via a valve with pressure fluid that can be controlled digitally from the host computer 8 can be acted upon, the raised upper end position by a upper limit switch 13 and the lowered lower pressure position by a further limit switches 17 are determined.
- the positioning of each Printing stencils are time-controlled, as explained in more detail below and depending on the setting of the limit switches 13, 17.
- the position of the pressure unit raising / lowering can by potentiometer or electronic sensors e.g. inductive, capacitive, opto-electronic or done by ultrasonic sensors.
- screw jacks 20 are provided can be driven via DC motors 21 or stepper motors.
- a linear potentiometer 22 available, the readout value via a respective analog / digital converter 23 is given to the host computer 8 as a read-in value.
- the linear potentiometer 22 could also be inductive proximity sensors be used.
- All round templates 4 required for a pattern are upgraded and are at a standstill and raised.
- the templates 4 become manual or with an automatic repeat determination positions that a non-engraved area is at the bottom, i.e. in Alignment with the printing blanket 3.
- the templates 4 are then filled with printing paste in a known manner. Since on the Printing blanket 3 facing the bottom of the individual templates 4 each not engraved area, printing paste can not leak.
- the printing methods possible with the invention are therefore also suitable for Printing pastes of different viscosities.
- the pattern 32 shown in FIG. 4 should be, for example, a multi-colored one Print, as well as a cut line 30 or 31 in Direction of flow or print in front of and behind the pattern 32.
- the pattern 32 have a maximum sample length of 500 mm, for example.
- the repeat length the cutting lines 30, 31 can be variable.
- the printing blanket 3 is set in motion.
- To print the first cut line 30 to be printed becomes the assigned cut line template, So the first circular template 4 in area a - see time diagram 4 - depending on the pattern, but not depending on the position accelerated to synchronous speed with the printing blanket 3 and lowered at the same time.
- At time b one under the Working magnet arranged (not shown) switched on, a roller or doctor blade inside the circular stencil 4 in a known manner Attracts way with predetermined magnetic force.
- the cutting line 30 or 31 is printed.
- the printing process is at the latest ended at time d, whereupon the printing template 4 in the Period e removed again and, if necessary, depending on the diameter and repeat length decelerated to a lower rotational speed or is stopped.
- the template 4 assigned to the pattern 32 is lowered and at the same time at synchronous speed with the printing blanket 3 accelerates.
- the working magnet assigned to this template becomes switched on.
- the pattern becomes within the time slot g 32 printed, it should be emphasized that the pattern 32 also from the Print several stencils assembled, i.e. designed in multiple colors can be. If a multicolored print for the pattern 32 and / or the Cutting lines 30, 31 is desired, is a correspondingly higher To provide groups of printing stations.
- the working magnet is switched off and the corresponding template is lifted off and again their diameter and the one to be printed Subreport accordingly in the period h to lower speed or delayed to a standstill.
- the acceleration of the individual printing templates 4 and their lowering or lifting off controlled such that the individual template 4 at the first contact with the printing blanket 3, speed-synchronized with it and precisely positioned is in the repeat.
- a repeat i.e. one large report each consists of a first cutting line 30 and the pattern 32.
- the second Section line belongs to the second repeat below. Repeat length, Pattern length and template offset are variable. Of course you have to Repeat does not necessarily include a cutting line; he can also - how mostly - can be assembled from several equivalent templates.
- the individual printing templates 4, such as the time diagram, are preferably 4 shows, already lowered in the non-engraved area, so that the magnetic force for lowering the roller or doctor blade can be switched on, and a color wedge forms in time, whereby stable conditions for good print quality are ensured, before the actual printing process begins.
- the system arrangement according to the invention of a rotary screen printing machine can also be used for other coating and dosing systems, especially when using non-magnetic roller and doctor blade variants; i.e. the variant described here with magnetic roll or A doctor blade is not the only one to be adopted in connection with the invention Design variant.
- a partial repeat is printed by a template 4, it is located the relative position of the template 4 to the printing blanket 3 again in one not engraved area, the working magnet is switched off again (see instants d, d ', d' '... in Fig. 4).
- the template 4 in question is raised and delayed so that, for example, when the Standstill is again in the starting position.
- the screw jack 20 via a lifting drive with stepper motor to operate instead of the DC motor mentioned.
- the drive motor 5 with pinion 12 together with the template 4th is excavated so that a corresponding rappor wheel on the template and the pinion 12 are always in mutual engagement.
- an eccentric or a Swashplate with stepper motor or with DC motor drive used become; in the latter case again equipped with a potentiometer and position sensors.
- a rotary screen printing machine of the type according to the invention is closed to everyone suitable for printing or coating, but preferably for fabrics, woven goods, floor coverings, carpets and foils.
- a rotary screen printing machine The type described here can also be used as a normal rotary screen printing machine (Endless repeat) and due to the possibility of image printing without mechanical changes also as a replacement for a planographic printing machine, is not only usable for large repeat pictures.
- the setting and conversion of such a machine to different ones Pattern is through digitally keyed default values, correction and Change parameters very easy, so that no specially trained Specialist staff is required. Stencils that are not in the picture printing process can run normally during the image printing process Rotational printing (continuous repeat) are operated.
- the template diameter are freely selectable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Printing Methods (AREA)
Description
Claims (2)
- Rotationssiebdruckmaschine zum Drucken großer Bilder mittels mehrerer, hinsichtlich ihrer relativen Drehzahl synchronisierter Rundschablonen (4), denen jeweils ein Hub-Einzelantrieb (16; 20, 21) zugeordnet ist zum Abheben der einzelnen Rundschablonen (4) aus ihrer Druckstellung und Absenken auf die zu bedruckende Ware entsprechend einem Teilrapport, wobei eine programmierbare Steuerung (8) vorgesehen ist, durch die die Hub-Einzelantriebe (16; 20, 21) betätigbar sind;
dadurch gekennzeichnet, daßden Rundschablonen (4) jeweils ein Einzelantrieb (5) zum Schablonendrehen zugeordnet ist; und daßdurch die programmierbare Steuerung (8) jeder der Hub-Einzelantriebe (16; 20, 21) individuell und unabhängig von den anderen Hub-Einzelantrieben einzeln relativ zueinander inkremental betätigbar ist. - Rotationssiebdruckmaschine nach Anspruch 1, dadurch gekennzeichnet, daß jeder Dreh-Einzelantrieb (5) und die Beschleunigung der Rundschablonen (4) auf eine zur Druckdecke (3) synchrone Geschwindigkeit durch eine programmierbare Steuerung individuell und inkremental einstellbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19617355A DE19617355C2 (de) | 1996-04-30 | 1996-04-30 | Rotationssiebdruckmaschine zum Drucken großer Bilder |
DE19617355 | 1996-04-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0805024A2 EP0805024A2 (de) | 1997-11-05 |
EP0805024A3 EP0805024A3 (de) | 1998-01-14 |
EP0805024B1 true EP0805024B1 (de) | 1999-12-01 |
Family
ID=7792941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97105871A Expired - Lifetime EP0805024B1 (de) | 1996-04-30 | 1997-04-09 | Rotationssiebdruckmaschine zum Drucken grosser Bilder |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0805024B1 (de) |
AT (1) | ATE187124T1 (de) |
DE (2) | DE19617355C2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20202708U1 (de) * | 2002-02-21 | 2003-07-03 | Tima Tec Maschinen- Und Anlagenbau Ges. M.B.H., Velden | Rundschablonen-Drucksystem |
DE10226500B4 (de) * | 2002-06-14 | 2010-04-22 | Ball Packaging Europe Holding Gmbh & Co. Kg | Vorrichtung zur Oberflächenbearbeitung von Teilen |
CN101224658B (zh) * | 2007-01-19 | 2010-09-22 | 陆新田 | 一种改良的印花机 |
DE102007049315B4 (de) * | 2007-10-15 | 2010-07-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Bearbeiten eines Substrates |
CN107160839B (zh) * | 2017-05-31 | 2019-04-30 | 林金标 | 一种圆网转移印花机及其控制系统 |
CN114252335B (zh) * | 2021-12-21 | 2024-07-23 | 黑龙江省公路工程监理咨询有限公司 | 一种公路路面压实度实时检测装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT311289B (de) * | 1971-05-24 | 1973-11-12 | Zimmer Peter | Verfahren und Einrichtung zum kontinuierlichen Drucken großrapportiger Muster |
DE7230388U (de) * | 1971-09-06 | 1973-12-06 | Zimmer P | Rotationsschablonendruckmaschine |
JPS4864288A (de) * | 1971-12-15 | 1973-09-06 | ||
DE7332801U (de) * | 1972-09-08 | 1975-03-06 | Zimmer P | Druckvorrichtung zum Bedrucken abgepasster Stücke einer Warenbahn |
AT358518B (de) * | 1975-10-06 | 1980-09-10 | Zimmer Peter Ag | Steuereinrichtung fuer eine rotations- schablonendruckmaschine |
ES8506410A1 (es) * | 1983-05-31 | 1985-07-01 | Fraver Sa | Un procediminento para transportar y tratar o trabajar en continuo un soporte flexible deformable de preferencia virgen,tal como una cinta. |
DE3915482C2 (de) * | 1989-05-11 | 1995-01-26 | Stork Mbk Gmbh | Vorrichtung zum winkelsynchronen Antreiben einzelner Druckzylinder einer Rotationsdruckmaschine |
-
1996
- 1996-04-30 DE DE19617355A patent/DE19617355C2/de not_active Expired - Fee Related
-
1997
- 1997-04-09 EP EP97105871A patent/EP0805024B1/de not_active Expired - Lifetime
- 1997-04-09 DE DE59700782T patent/DE59700782D1/de not_active Expired - Fee Related
- 1997-04-09 AT AT97105871T patent/ATE187124T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE187124T1 (de) | 1999-12-15 |
EP0805024A2 (de) | 1997-11-05 |
EP0805024A3 (de) | 1998-01-14 |
DE59700782D1 (de) | 2000-01-05 |
DE19617355C2 (de) | 2000-02-03 |
DE19617355A1 (de) | 1997-11-13 |
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