EP0739723A2 - Dispositif de flottage pour guider des feuilles dans une machine d'impression ou analogue - Google Patents

Dispositif de flottage pour guider des feuilles dans une machine d'impression ou analogue Download PDF

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Publication number
EP0739723A2
EP0739723A2 EP96106225A EP96106225A EP0739723A2 EP 0739723 A2 EP0739723 A2 EP 0739723A2 EP 96106225 A EP96106225 A EP 96106225A EP 96106225 A EP96106225 A EP 96106225A EP 0739723 A2 EP0739723 A2 EP 0739723A2
Authority
EP
European Patent Office
Prior art keywords
air
floating element
element according
housing
sheet
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
EP96106225A
Other languages
German (de)
English (en)
Other versions
EP0739723A3 (fr
EP0739723B1 (fr
EP0739723B2 (fr
Inventor
Richard Mack
Wolfram Hofmann
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7760723&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0739723(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0739723A2 publication Critical patent/EP0739723A2/fr
Publication of EP0739723A3 publication Critical patent/EP0739723A3/fr
Publication of EP0739723B1 publication Critical patent/EP0739723B1/fr
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines

Definitions

  • the invention relates to a floating element for guiding sheets in a sheet-processing machine, in particular in a printing press, according to the preamble of patent claim 1.
  • Floating elements are known, which are used in brackets or guides of the printing press between printing units or in the area of a sheet delivery, in order to improve the sheet guidance particularly at critical points.
  • Floating elements are used in different designs for floating arch support on an air cushion, for arch tightening, arch smoothing, for arch braking, by suction for floating arch transport. They consist of a mostly rod-shaped housing which is fixedly arranged in the machine, with air nozzles arranged on the outside of the sheet and a housing interior which can be connected to the compressed air system and / or to the suction air system of the machine.
  • the necessary use of such floating elements depends to a large extent on the nature of the substrate, but also on operating conditions. Floating elements are therefore required for different tasks at different points depending on the type of order to be processed. Floating elements that are not required are often a nuisance in the way.
  • the air is supplied by external control with compressed air or with suction air.
  • the inventive features create a floating element which can be used at any point on a printing press and which is effective in itself and is therefore not dependent on existing compressed air or suction air connections.
  • a levitation element with the features of the invention should be able to be used retrospectively at any point on a sheet-processing machine, in particular a printing machine, for sheet stretching, sheet braking, sheet acceleration or sheet feeding, in particular when moving, unrolling or holding.
  • Each floating element is preferably equipped with a high-speed blower or, if appropriate, also with a plurality of high-speed blowers, which has an electromotive drive with a control program that can be integrated into the machine program.
  • the or the blowers of each floating element are preferably reversible in the direction of rotation, so that either compressed air or suction air for the sheet guide can be supplied by the integrated drive control program.
  • FIG. 1 An embodiment with a housing that is as flat as possible in a sandwich construction is preferred, so that a floating element with the features of the invention can also be accommodated in narrow installation spaces. If necessary, floating elements can be composed of air-guiding housing parts and other housing parts that receive the air source.
  • a further development of the invention provides that a plurality of air-guiding housing parts and optionally also a plurality of housing parts each receiving an air source can be connected to one another in such a way that complementary coupling members automatically act like a plug-in coupling Make connections between the housing parts.
  • complementary coupling parts of an electrical connection coupling are provided both on the machine and on housing parts of the levitation elements, which automatically establish electrical contact between the motor drive means of the levitation element when the levitation elements are installed.
  • the design can be optimized by coordinating the nozzle characteristics and the blower characteristics.
  • FIGS 1 and 2 each show side views of different levitation elements with the features of the invention.
  • FIG. 1 shows a floating element made of a rod-shaped sheet metal housing 1, which consists of a lower part (1a) with a cross-section which is approximately U-shaped and an upper part (1b) sealing its upper side, this upper part being at intervals from one another and blowing nozzles 2 arranged one behind the other having.
  • the upper part and lower part of the sheet metal housing are airtightly connected to one another at overlapping edges.
  • the elongated housing 1 is coupled at one end to an ejector 3, which is connected to the air-conducting interior of the housing 1.
  • the ejector 3 is connected via a compressed air line 4 to a correspondingly dimensioned compressed air source or, if appropriate, also to a compressed air system of a machine which is under a correspondingly high prestress.
  • a blower or the like can also be provided in a housing part, as has already been explained above.
  • FIG. 2 shows a floating element which, based on the example in FIG. 1, likewise has a rod-shaped housing 1.
  • the housing is connected to a blower 5, which has an electromotive drive, the direction of action of which is preferably reversible in order to be able to use the same floating element both for guiding the sheet with compressed air and for guiding the sheet with suction air.
  • the electromotive drives of the blower 5 or possibly several blowers are programmable so that the control programs can be integrated into the machine control program. Air outlet nozzles, suction nozzles or the like are arranged in the region of the arrows shown in FIG.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Discharge By Other Means (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP96106225A 1995-04-29 1996-04-19 Dispositif de flottage pour guider des feuilles dans une machine d'impression ou analogue Expired - Lifetime EP0739723B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19515846 1995-04-29
DE1995115846 DE19515846C2 (de) 1995-04-29 1995-04-29 Schwebeelement zur Bogenführung in einer Druckmaschine oder dergleichen

Publications (4)

Publication Number Publication Date
EP0739723A2 true EP0739723A2 (fr) 1996-10-30
EP0739723A3 EP0739723A3 (fr) 1997-04-02
EP0739723B1 EP0739723B1 (fr) 1999-06-23
EP0739723B2 EP0739723B2 (fr) 2003-10-01

Family

ID=7760723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96106225A Expired - Lifetime EP0739723B2 (fr) 1995-04-29 1996-04-19 Dispositif de flottage pour guider des feuilles dans une machine d'impression ou analogue

Country Status (3)

Country Link
EP (1) EP0739723B2 (fr)
JP (1) JP3909886B2 (fr)
DE (1) DE19515846C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005047000A1 (fr) * 2003-11-17 2005-05-26 Silverbrook Research Pty Ltd Ensemble boitier de ventilateur pour imprimante
CN114636541A (zh) * 2022-05-17 2022-06-17 中国空气动力研究与发展中心设备设计与测试技术研究所 一种模块化快速组装的热气源引射系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1970334A3 (fr) 2007-03-15 2009-12-30 Heidelberger Druckmaschinen Aktiengesellschaft Machine de traitement de feuilles dotée d'un dispositif de transport pneumatique

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB668741A (en) * 1949-01-21 1952-03-19 Svenska Flaektfabriken Ab Apparatus for drying web-like material
GB1190634A (en) * 1966-11-23 1970-05-06 Vits G M B H Maschf Air Support System for Webs of Material.
DE2603483A1 (de) † 1976-01-30 1977-08-18 Mohn Ohg Reinhard Schoen- und widerdruckverfahren sowie vorrichtung zur durchfuehrung des verfahrens
GB2116510A (en) * 1982-03-15 1983-09-28 Grace W R & Co Compact air bar assembly for contactless web support
US4572071A (en) * 1984-03-24 1986-02-25 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for guiding sheets printed on one or both sides
DE3829505A1 (de) † 1987-09-25 1989-04-06 Polygraph Leipzig Bogenleiteinrichtung in auslagen von druckmaschinen
US5379999A (en) * 1993-07-23 1995-01-10 Eastman Kodak Company Sheet media handling apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880297A (en) * 1974-03-13 1975-04-29 Fabricacion De Maquinas Sheet stacking apparatus
DE3343811A1 (de) * 1983-12-03 1985-06-13 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld Saugriemenfoerderer
DD259389B5 (de) † 1987-03-30 1993-11-18 Kba Planeta Ag Bogenleiteinrichtung in bogenauslagen
US5088717A (en) * 1989-08-12 1992-02-18 Konica Corporation Paper feeding apparatus having a three cylinder vacuum member
DE4242730C2 (de) * 1992-12-17 1997-01-30 Heidelberger Druckmasch Ag Bogenausleger einer Druckmaschine
DE4316400C2 (de) * 1993-05-17 1997-12-11 Heidelberger Druckmasch Ag Einrichtung zur Entnahme aus einem Förderstrom ausgeschleuster Exemplare
DE9319332U1 (de) * 1993-12-16 1994-02-03 Kba-Planeta Ag, 01445 Radebeul Blaseinrichtung in Bogenrotationsdruckmaschinen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB668741A (en) * 1949-01-21 1952-03-19 Svenska Flaektfabriken Ab Apparatus for drying web-like material
GB1190634A (en) * 1966-11-23 1970-05-06 Vits G M B H Maschf Air Support System for Webs of Material.
DE2603483A1 (de) † 1976-01-30 1977-08-18 Mohn Ohg Reinhard Schoen- und widerdruckverfahren sowie vorrichtung zur durchfuehrung des verfahrens
GB2116510A (en) * 1982-03-15 1983-09-28 Grace W R & Co Compact air bar assembly for contactless web support
US4572071A (en) * 1984-03-24 1986-02-25 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for guiding sheets printed on one or both sides
DE3829505A1 (de) † 1987-09-25 1989-04-06 Polygraph Leipzig Bogenleiteinrichtung in auslagen von druckmaschinen
US5379999A (en) * 1993-07-23 1995-01-10 Eastman Kodak Company Sheet media handling apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Pneumatik-Kompendium, Atlas Copco Deutschland GmbH, VDI-Verlag GmbH, Duesseldorf 1977, Seiten 200-204 †

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005047000A1 (fr) * 2003-11-17 2005-05-26 Silverbrook Research Pty Ltd Ensemble boitier de ventilateur pour imprimante
CN114636541A (zh) * 2022-05-17 2022-06-17 中国空气动力研究与发展中心设备设计与测试技术研究所 一种模块化快速组装的热气源引射系统
CN114636541B (zh) * 2022-05-17 2022-07-22 中国空气动力研究与发展中心设备设计与测试技术研究所 一种模块化快速组装的热气源引射系统

Also Published As

Publication number Publication date
JP3909886B2 (ja) 2007-04-25
JPH08301478A (ja) 1996-11-19
DE19515846C2 (de) 2000-06-08
DE19515846A1 (de) 1996-10-31
EP0739723A3 (fr) 1997-04-02
EP0739723B1 (fr) 1999-06-23
EP0739723B2 (fr) 2003-10-01

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