EP1028077A2 - Bogenführungseinrichtung für eine Druckmaschine - Google Patents
Bogenführungseinrichtung für eine Druckmaschine Download PDFInfo
- Publication number
- EP1028077A2 EP1028077A2 EP00101032A EP00101032A EP1028077A2 EP 1028077 A2 EP1028077 A2 EP 1028077A2 EP 00101032 A EP00101032 A EP 00101032A EP 00101032 A EP00101032 A EP 00101032A EP 1028077 A2 EP1028077 A2 EP 1028077A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- guiding device
- air
- guide surface
- sheet guiding
- nozzles
- 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
Links
- 241000446313 Lamella Species 0.000 claims description 9
- 238000007664 blowing Methods 0.000 description 7
- 230000001154 acute effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
- B65H29/245—Air blast devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/52—Stationary guides or smoothers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
- B65H2406/113—Details of the part distributing the air cushion
- B65H2406/1132—Multiple nozzles arrangement
- B65H2406/11325—Adjustable impact angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
Definitions
- the invention relates to a sheet guiding device for a printing machine with one along the sheet path extending guide surface and provided in the guide surface Nozzles that can be charged with blown air or suction air are.
- Sheet guiding devices of the specified type should be in Printing machines the printed sheets when transporting one printing unit to the next or to the delivery without greasing to lead. To do this, the arches are applied with blown air and suction air when passing through the transport path stabilized and through the formation of suitable air cushions prevented from touching the guides.
- a sheet guiding device known from EP 0 725 025 B1 of the specified type in the sheet transport direction seen in the inlet area of a guide surface arranged nozzles depending on the processed
- Printing material optionally with suction air or with blown air acted upon and the nozzles between the inlet area and the outlet area of the guide surface arranged guide zone are blown with air, at least some of the nozzles blow the air essentially tangentially to the surface of the guide surface.
- the Guiding surfaces a different, the respective air requirement have adapted area coverage with nozzles.
- the Air is supplied to the nozzles via fans, their Speed for setting the floating guide in blowing mode and to adjust the frictional force of the bow on the guide surfaces is adjustable in suction mode. For reversing blowing operation the fans can also be operated in suction mode their direction of rotation can be switched.
- the invention has for its object in a sheet guide of the type mentioned at the beginning, the blowing air also in narrow limited zones optimally to the basis weight of the substrates, adjust the print subject and print speed to be able to.
- this object is achieved in that the Angle of attack of at least individual nozzles relative to the guide surface is adjustable.
- the size of the Passage cross section adjustable at least individual nozzles his.
- the invention enables a zone-by-zone individual Adjustment of the blown air flow and thus an optimal one Adjustment of the arch guidance to the given one Operating situations without having a large number of fans with adjustable speed required.
- the nozzles can be slit-shaped Opening in a wall forming the guide surface and at least one lamella arranged in the opening be formed, the lamella at an angle to the guide surface is employed.
- the angle of attack of the slat can also be adjustable.
- the lamellae have a convexly curved air guide surface through which the air flowing along the lamellae into a directional surface parallel flow direction can be deflected.
- the convex curved air guide surface can only be on one or be formed on both sides of the slat. In the latter Case can with appropriate adjustment of the Angle of attack of the slats of the air flow also in the opposite Directed parallel to the guide surface become.
- For zone-by-zone adjustment of the blowing or suction air to the requirements of the sheet guide can also Distribution of the slot-shaped openings over the guide surface be uneven.
- the an air box on the side of the wall facing away from the guide surface be attached, the interior of which is bounded by the wall becomes.
- the air box can have bearings for the slats and to supply air to the nozzles with axial fans or other suitable air suppliers his.
- the design of the nozzles according to the invention enables a flow-optimized arrangement in a simple manner linked to a blowing pressure level regulation by a only partially possible change in the passage cross-section of the nozzles and is suitable for both flat and also for curved guide surfaces.
- the printing press shown schematically in FIG. 1 has several in series arranged printing units 1, of which each of the plate cylinder 2, the blanket cylinder 3 and the double-large impression cylinder 4 are shown. Between the sheets are transported to the printing units each via transfer drums 5 or if possible there is a turning drum 6 for turning Printing cylinders of the last printing unit are through the sheets a chain gripper system 7 of a boom 8 to a boom stack 9 transported. On the transfer drums 5, the Reversing drum 6 and the chain gripper system 7 are each Sheet guiding devices 10 arranged for a Lubrication-free sheet guidance of the printed sheets ensures. Depending on the course of the Sheet transport paths curved or flat guide surfaces 11 which the arches are moved along. By feeding or suction of air via arranged in the guide surfaces 11 Nozzle-free sheet guidance is achieved.
- FIG 2 shows a detail of an embodiment of a Sheet guiding device, in which the guide surface 11 forming wall 12 openings 15 in the form of rectangular Slits are provided through the blown air into the space between an arc 16 and the guide surface 11 is directed.
- the openings 15 are on the long sides bounded by surfaces 17 which are at an acute angle to Guide surface 11 are inclined so that the width of the openings 15 increases with the distance from the guide surface 11.
- slats 18 are pivotable about an axis 19 arranged.
- the lamellae 18 are symmetrical Arrangement of two convexly curved outer surfaces 20, 21 which on the parallel longitudinal edges of the slats 18 in one acute angle meet.
- the axes of curvature of the Outer surfaces 20, 21 run in the longitudinal direction of the Slats 18.
- the slats 18 are approximately in a point Angle inclined to the guide surface 11. This will on her Top side between the surfaces 17 and the outer surfaces 20 a gap acting as a nozzle 22 through which on the Blown air supplied in the form of a bottom of the wall 12 Blow jet is directed under the sheet 16.
- the blowing jet lies down accordingly the Coanda effect on the lamella and occurs thereby almost parallel to the guide surface 11 from the nozzle opening out. In this way, arises between the sheet 16 and the guide surface 11 a uniform air cushion that carries the bow 16.
- the angle of attack of the Slats 18 can be the direction of the exiting blow jet and at the same time the air outlet cross section and thus also the strength of the blow jet can be changed.
- the blow jet can be optimally adapted to the needs of the Sheet guidance at different printing speeds and adapt to different substrates.
- the angle of inclination the slat 18 can also be reduced in size be that the lamella 18 with the outer surface 20 the surface 17 touches the air outlet from the opening 15 largely prevent.
- FIG. 3 shows a development of the sheet guiding device according to Figure 2.
- the opening 15 in the wall 12 is here so wide that five slats 18 can be arranged in the opening 15.
- the outside surfaces 20 of the slats 18 are in this embodiment less convex and the curvature of the lower Outer surface 21 is less than that of the upper outer surface 20.
- the lower outer surface 21 can also be provided with a concave curvature.
- the fins 18 are all at the same angle to the guide surface 11 inclined and can as in the embodiment according to Figure 2 in a wide range in their inclination together and can also be adjusted independently.
- the slats 18 form five slit-shaped Nozzles 22, which are evenly supporting under the arch 16 Create air cushions.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Discharge By Other Means (AREA)
- Advancing Webs (AREA)
Abstract
Description
- Figur 1
- eine Anordnung von Bogenführungseinrichtungen in einer mehrere Druckwerke umfassenden Druckmaschine,
- Figur 2
- einen Querschnitt durch eine Bogenführungseinrichtung mit verstellbaren Lamellen,
- Figur 3
- einen Querschnitt durch eine weitere Ausführungsform einer Bogenführungseinrichtung mit verstellbaren Lamellen.
Claims (7)
- Bogenführungseinrichtung für eine Druckmaschine mit einer sich längs der Bogenbahn erstreckenden Leitfläche und mit in der Leitfläche vorgesehenen Düsen, die mit Blasluft oder Saugluft beaufschlagbar sind, dadurch gekennzeichnet, daß der Anstellwinkel zumindest einzelner Düsen (22) gegenüber der Leitfläche (11) einstellbar ist.
- Bogenführungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Größe des Durchtrittsquerschnitts zumindest einzelner Düsen (22) einstellbar ist.
- Bogenführungseinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Düsen (22) durch schlitzförmige Öffnungen (15) in einer die Leitfläche (11) bildenden Wand (12) und mindestens jeweils eine in den Öffnungen (15) angeordnete Lamelle (18) gebildet sind, wobei die Lamelle (18) in einem Winkel zur Leitfläche (11) angestellt ist und der Anstellwinkel der Lamelle (18) verstellbar ist.
- Bogenführungseinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Lamelle (18) auf einer oder auf beiden Seiten eine in Querrichtung konvex gekrümmte Außenfläche (20, 21) hat.
- Bogenführungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß auf der der Leitfläche (11) abgekehrten Seite der Wand (12) ein Luftkasten angebracht ist, dessen Innenraum durch die Wand (12) begrenzt wird und der die Lamelle (18) aufnimmt.
- Bogenführungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Luftkasten eine Lagerung für die Lamelle (18) aufweist.
- Bogenführungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Luftkasten Axialventilatoren zur Luftversorgung der Düsen (22) aufweist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19905095A DE19905095C2 (de) | 1999-02-09 | 1999-02-09 | Bogenführungseinrichtung für eine Druckmaschine |
| DE19905095 | 1999-02-09 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1028077A2 true EP1028077A2 (de) | 2000-08-16 |
| EP1028077A3 EP1028077A3 (de) | 2001-01-03 |
| EP1028077B1 EP1028077B1 (de) | 2003-06-04 |
Family
ID=7896792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00101032A Expired - Lifetime EP1028077B1 (de) | 1999-02-09 | 2000-01-20 | Bogenführungseinrichtung für eine Druckmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1028077B1 (de) |
| AT (1) | ATE242168T1 (de) |
| DE (2) | DE19905095C2 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184174A3 (de) * | 2000-08-31 | 2004-03-17 | Heidelberger Druckmaschinen Aktiengesellschaft | Maschine zur Verarbeitung von Bogen |
| WO2005047000A1 (en) * | 2003-11-17 | 2005-05-26 | Silverbrook Research Pty Ltd | Blower box assembly for a printer |
| CN101037038B (zh) * | 2006-03-15 | 2011-03-16 | 海德堡印刷机械股份公司 | 印张输送装置 |
| CN103224152A (zh) * | 2013-04-27 | 2013-07-31 | 朱光波 | 传输及输送气浮装置 |
| CN108582760A (zh) * | 2018-05-17 | 2018-09-28 | 东莞职业技术学院 | 一种基于文创产品的纸基3d打印设备 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10042888A1 (de) | 2000-08-31 | 2002-03-14 | Heidelberger Druckmasch Ag | Bogenleiteinrichtung |
| DE10042885A1 (de) | 2000-08-31 | 2002-03-14 | Heidelberger Druckmasch Ag | Bogentransportzylinder |
| DE10133633A1 (de) | 2000-08-31 | 2002-03-14 | Heidelberger Druckmasch Ag | Leit-und Tragelemente mit gedrosselter Blasluft |
| US7431290B2 (en) | 2003-09-26 | 2008-10-07 | Heidelberger Druckmaschinen Ag | Device for guiding a print carrier, method for producing a print carrier guiding device and machine for processing a print carrier |
| DE10344715A1 (de) * | 2003-09-26 | 2005-04-21 | Heidelberger Druckmasch Ag | Vorrichtung zum Leiten eines Bedruckstoffes |
| US7513499B2 (en) | 2004-05-04 | 2009-04-07 | Heidelberger Druckmaschinen Ag | Sheet brake using a partitioned blower nozzle array |
| DE102016207406B4 (de) | 2015-08-06 | 2021-10-28 | Koenig & Bauer Ag | Transportvorrichtung zum sequentiellen Transport einzelner bogenförmiger Substrate entlang einer vorgegebenen Bahn |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT362227B (de) * | 1979-07-02 | 1981-04-27 | Andritz Ag Maschf | Materialbahntrockner |
| DE19549589B4 (de) * | 1995-02-01 | 2005-11-17 | Heidelberger Druckmaschinen Ag | Bogenleiteinrichtung für Druckmaschinen |
| DE19728104B4 (de) * | 1997-07-02 | 2007-03-08 | Man Roland Druckmaschinen Ag | Vorrichtung zur Bogenführung an einer Bogendruckmaschine |
| EP0899228B1 (de) * | 1997-08-28 | 2004-04-14 | Heidelberger Druckmaschinen Aktiengesellschaft | Luftpolsterführung |
| DE29721185U1 (de) * | 1997-11-29 | 1998-01-15 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Bogenführungseinrichtung in einer Druckmaschine |
| DE29721184U1 (de) * | 1997-11-29 | 1998-01-15 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Bogenführungseinrichtung in einer Druckmaschine |
-
1999
- 1999-02-09 DE DE19905095A patent/DE19905095C2/de not_active Expired - Fee Related
-
2000
- 2000-01-20 EP EP00101032A patent/EP1028077B1/de not_active Expired - Lifetime
- 2000-01-20 AT AT00101032T patent/ATE242168T1/de not_active IP Right Cessation
- 2000-01-20 DE DE50002410T patent/DE50002410D1/de not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184174A3 (de) * | 2000-08-31 | 2004-03-17 | Heidelberger Druckmaschinen Aktiengesellschaft | Maschine zur Verarbeitung von Bogen |
| WO2005047000A1 (en) * | 2003-11-17 | 2005-05-26 | Silverbrook Research Pty Ltd | Blower box assembly for a printer |
| CN101037038B (zh) * | 2006-03-15 | 2011-03-16 | 海德堡印刷机械股份公司 | 印张输送装置 |
| CN103224152A (zh) * | 2013-04-27 | 2013-07-31 | 朱光波 | 传输及输送气浮装置 |
| CN108582760A (zh) * | 2018-05-17 | 2018-09-28 | 东莞职业技术学院 | 一种基于文创产品的纸基3d打印设备 |
| CN108582760B (zh) * | 2018-05-17 | 2023-06-13 | 东莞职业技术学院 | 一种基于文创产品的纸基3d打印设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19905095A1 (de) | 2000-08-17 |
| ATE242168T1 (de) | 2003-06-15 |
| DE19905095C2 (de) | 2001-02-22 |
| EP1028077B1 (de) | 2003-06-04 |
| DE50002410D1 (de) | 2003-07-10 |
| EP1028077A3 (de) | 2001-01-03 |
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