EP1088780A2 - Dispositif pour fermer sélectivement des orifice de soufflage dans dispositifs de guidage ou barres pour le support à imprimer dans machines d'impression rotatives - Google Patents

Dispositif pour fermer sélectivement des orifice de soufflage dans dispositifs de guidage ou barres pour le support à imprimer dans machines d'impression rotatives Download PDF

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Publication number
EP1088780A2
EP1088780A2 EP00119327A EP00119327A EP1088780A2 EP 1088780 A2 EP1088780 A2 EP 1088780A2 EP 00119327 A EP00119327 A EP 00119327A EP 00119327 A EP00119327 A EP 00119327A EP 1088780 A2 EP1088780 A2 EP 1088780A2
Authority
EP
European Patent Office
Prior art keywords
rotary printing
turning bar
web
openings
air openings
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Withdrawn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
EP00119327A
Other languages
German (de)
English (en)
Other versions
EP1088780A3 (fr
Inventor
Michael William Hilliard
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
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1088780A2 publication Critical patent/EP1088780A2/fr
Publication of EP1088780A3 publication Critical patent/EP1088780A3/fr
Withdrawn legal-status Critical Current

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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/34—Modifying, selecting, changing direction of displacement
    • B65H2301/342—Modifying, selecting, changing direction of displacement with change of plane of displacement
    • B65H2301/3423—Modifying, selecting, changing direction of displacement with change of plane of displacement by travelling an angled curved path section for overturning and changing feeding direction
    • 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
    • B65H2406/111—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along a curved path, e.g. fluidised turning bar
    • 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
    • B65H2406/14—Means using fluid made only for exhausting gaseous medium with selectively operated air supply openings

Definitions

  • the present invention relates to a device for the optional closing of Blowing openings in guiding devices or bars of printing material
  • Rotary printing machines in particular turning bars in the folder of rotary rotary printing machines or in sheet guiding devices of sheet-fed rotary printing machines, according to the preamble of claim 1.
  • the turning bars described in this document for Deflecting a material web are axisymmetric and cylindrical in shape with a Diameter between 60 mm and 100 mm and a length of between 800 mm and 822 mm. The exact dimensions are of course the special ones Customizable print job requirements.
  • the turning bars are usually in the Arranged so that its longitudinal axis (axis of symmetry) at a 45 ° angle to Infeed direction of the material web runs. Incoming webs or web strands that were previously cut from a web by slitting (hereinafter generally referred to as a track), by rotating a turning bar into a horizontal, deflected by 90 ° with respect to the direction of entry.
  • Air cushions are created so that the web can pass the turning bar without contact.
  • the Axially symmetrical, cylindrical rods are hollow on the inside and have a Large number of small holes, so-called. Blow holes, on the inner surface of the Run the rod to the outer surface.
  • the blow holes are in as desired distributed around the periphery of the rod, so that on the outer surface of the rod a Desired air distribution is created.
  • the turning bar is powered by an air source (e.g. a blower or fan) with compressed air, which in the way by the Blow openings that exit between the outer surface of the rod and the bottom an air cushion is created on the web.
  • a device for the optional closing of Blown air openings in guide devices or bars of printing material Rotary printing machines, in particular in turning bars in the folder of web-fed rotary printing machines or in sheet guiding devices of sheet-fed rotary printing machines through a covering the blown air openings magnetic forces, that is held by a magnetic interaction flat, preferably flexible element formed.
  • the flat element is preferred made of permanent magnetic material and is spread over a wide range of blow air openings to be closed placed in the guide surface, the magnetic Forces are of such a size that the flat element opposes that caused by the Blown air generated in the control device is reliably fixed in position.
  • the closing device, d. H. have the flat element, a triangular shape or a stripe shape, the is adapted to the section of the guide device or rod which is not of that Substrate, d. H. is covered by the web or by a sheet of printing material.
  • the closing device consists of one magnetic, in particular is formed from a permanent magnetic material, and that the blowing air openings or generally the guide surface or rod in the area of the covering blown air openings is surrounded by a magnetizable material, or but that the closing devices made of a magnetizable material, in particular are made of a ferromagnetic material, and the blowing air openings of magnetic Material, in particular surrounded by ferromagnetic material such as ferrite.
  • the device can be used for Closing blow air openings in a blowpipe of a former for folding one running printing material web or on a turning bar to deflect one Printing material web in a folder of a web-fed rotary printing press; or to Covering blown air openings in a turning drum, a storage drum or a transfer drum or a pneumatic one with nozzles Sheet guiding device can be used in a sheet-fed rotary printing machine.
  • an air-conducting rod designed as a turning rod 102 is used for Deflection of a path 104 shown around which the path 104 partially (for example about 180 °) is led around.
  • the turning bar 102 is in one way horizontal plane of the web 104 arranged that its longitudinal axis makes an angle (for example a 45 ° angle) to the infeed direction E of the web 104.
  • brackets 110, 112 which are slidable on two cylindrical guides 114, 116 running perpendicular to the direction of entry E. are arranged, attached to frame parts 106, 108 of the web-fed rotary printing press.
  • the turning bar 102 is on the brackets 110, 112 via sleeves 118, 120 attached.
  • the guides 114, 116 run horizontally from frame part 106 to frame part 108.
  • the movable bracket 110 is a nut 122 which is rotatably on a Screw 124 is arranged, driven in translation, the screw 124 of a motor 126 is rotated.
  • the movable bracket 110 is free on the guide 114 slidable.
  • At one end of the turning bar 102 is preferably adjacent to the Bracket 110 attached here as a stopper 128 cap, z. B. screwed on.
  • At the other end of the turning bar 102 is preferably adjacent to the Bracket 112 attached a removable elbow 130 (e.g.
  • the bracket 112 is on the rod 116 preferably movable.
  • the elbow 130 is preferably one Enclosed rubber sleeve 132 which is connected to an air source, e.g. B. a blower or a Fan, is connected, by means of which the turning bar 102 with a certain Air pressure is applied.
  • an air source e.g. B. a blower or a Fan
  • the turning bar 102 can be made of any material with the appropriate one magnetic field strength be made, e.g. B. made of steel or iron. It is preferred an axisymmetric, cylindrical rod, which has blowing openings and in Superstructure of a folder of a printing press can be attached.
  • the outer surface of the turning bar 102 is preferably made of a material with a other magnetic permeability coated or coated, e.g. B. with electrolytic deposited chrome.
  • a material without magnetic Field strength is used, so a surface of the rod (i.e. the inside or the Outside) for receiving the closing device according to the invention with a magnetic material can be coated.
  • the closing device consists of a magnetic material with a desired magnetic field strength, either on the inside or the outside the turning bar is arranged in the manner (e.g. the turning bar is at least partially encloses) that the desired blowing openings are closed.
  • the turning bar made of a magnetic material and the closing device a material with magnetic permeability, i.e. H. a magnetizable material, be educated.
  • FIG. 1 an embodiment of a turning bar 102 is shown, in which the Closing device is arranged on the outside of the turning bar 102.
  • the Closing device is arranged on the outside of the turning bar 102.
  • the embodiment shown in FIG. 1 forms the turning bar 102 with the incoming web 104 a 45 ° angle.
  • the web 104 is drawn into the printing press and in the Stretched in such a way that they spiral (e.g. by 180 °) around a section of the Turning rod 102 is steered around.
  • the previously introduced compressed air flows out, a direct contact between the Path and the surface of the turning bar 102 avoided.
  • the closing devices 134 and 136 are shaped in such a way that that they cover the blow openings, through which otherwise air from inside the Flowing out turning bar 102 and so the pressure between the web 104 and the would reduce turning bar 102.
  • the train or the train can be any be wide and cover any number of blow openings in the turning bar.
  • the Closing devices can accordingly be shaped differently, so that they are each lane can be adjusted to the desired (otherwise exposed) Cover blow openings and in this way the pressure between the web and the Maintain turning bar.
  • the closing devices are as triangular workpieces (e.g. in the form of an isosceles triangle) whose Dimensions are chosen in such a way that they have the desired number of blow openings cover that are not covered by the web 104 and would otherwise be exposed. Slight displacements of the web along the axis of the turning bar during the Continued printing operations can be compensated for by the fact that the closing devices somewhat smaller than the exposed area, so that possibly even some blowing openings remain open to ensure that the printed Sections of the web the turning bars or the locking devices during the Do not contact the printing company.
  • the locking devices are simply around the Turning bars placed and held in place by the magnetic attraction Turning bar held.
  • FIG. 2A shows a cross-sectional view along plane A-A shown in FIG. 1.
  • the rod 102 has a plurality of blow openings 202, 204, 206, 208, whose diameter and distance (in the circumferential and longitudinal directions) is preferably chosen such that the desired along the outer surface of the rod Air cushion is created.
  • the diameter of the blow openings can be in the range, for example of about 4 mm and the distance between the blowing openings in the range of about 2.5 cm (1 inch). Air escapes through the blow openings 202, 204, 206 and 208 an air source, e.g. B. a fan, is directed into the interior of the rod 102.
  • an air source e.g. B. a fan
  • the blow holes can be in any known Be distributed wisely. They can also have any shape, in particular also a cylindrical shape, and preferably extend from the inside of the turning bar to Outer surface of the turning bar, the axes of the blowing openings preferably run perpendicular to the outer surface of the turning bar.
  • the magnetic material of the closure devices can be any magnetic Be material, especially ferromagnetic material or paramagnetic material.
  • the material can be, for example, iron, steel, magnetic alloys etc. in any form, e.g. B. also act in powder form.
  • the locking devices instead of the air-conducting rod, the locking devices from a magnetic to form conductive material and to form the air-conducting rod as a ferrite.
  • the closure device 134 shown in FIG. 2A is on the outer surface of FIG Reversible bar arranged and optionally closes the blow openings 202, 204, 206 and 208.
  • the closing device can also be designed in such a way that each closes any or all of the blow openings.
  • the magnetic material is preferably flexible and easily removable.
  • Each of the closing devices can be one any thickness, for example in the range of about 1.5 mm, and a have any length depending on the length of the air conducting rod. Even though the closing device shown in FIG. 2A covers the outer surface of the turning bar 102 completely encloses, it is also conceivable that the closing device is only so long that it covers the blow holes, but not necessarily along the outer surface of the entire circumference.
  • FIG. 2B shows an alternative embodiment of the closing device, in which the closing device consists of a magnetic material which is inside the in Fig. 1 shown turning bar 102 is inserted.
  • the closing device can be similar of the device described with reference to FIG. 2A can be shaped and arranged. Instead of however, laying them around the outer surface of the turning bar can be the alternative Closing devices are rolled up in such a way that their diameter is smaller than the inside diameter of the turning bar 102.
  • the stopper shown in FIG. 1 128 can be removed from the end of the hollow turning bar 102, for example that the closing device is pushed so far into the turning bar until it closes the desired number of blow openings.
  • the rubber sleeve 132 can for example, subtracted from the angle element 130 and the angle element 130 from the Turning rod 102 can be removed.
  • the closing device 136 can then be inserted into the inside of the turning bar so that it has the desired number of Blow openings covered.
  • the magnetic force of the material must be high enough to Closing device despite the air pressure inside the turning bar during the to keep it in normal operation in its position on the turning bar.
  • Embodiment of the invention shown arises due to the insertion of the Closing device inside the turning bar, on the other hand, an automatic seal, because the closing device is pressed against the inside of the turning bar by the compressed air pressed and held in position.
  • the magnetic force of the material for the embodiment shown in Fig. 2B may be less than the magnetic force of the material the embodiment shown in Fig. 2A. Due to the lower magnetic force of the material in the embodiment shown in FIG. 2B, the insertion of the Closing device inside the turning bar easier.
  • a web 104 runs into the device shown in FIG. 1 tangent to the top of the turning bar 102 and is approximately at a 180 ° angle steered around the turning bar 102.
  • Lane 104 leaves the turning bar tangential to the underside of the turning bar 102 at a 90 ° angle to the direction of entry.
  • the closing devices can be used to close the blow openings that are not required placed by the operator by hand over the unused blow openings or into the Be inserted inside the turning bar. This prevents air from escaping sealed blow holes escape. To the unused blow openings again to expose them to form an air cushion between a larger web and air can flow out of the outside of the turning bar again Closing devices can be easily removed again.
  • Closing devices 134 and 136 on an air-conducting rod 102 are shown in more detail.
  • the closing devices 134, 136 are not triangular here shaped, but as two isosceles triangles joined together at their base educated. These locking devices can be on the sections of the turning bar 102 can be attached (e.g. partially placed around them), in which the Blow openings should be closed. This is due to the in the form of the Closing devices 134 'and 136' indicated curved closing devices.
  • one or both of the closing devices can Closing devices are inserted inside the turning bar 102 as by the Closing device 134 '' is indicated. If a locking device inside a removable plug 128 is preferably inserted into the air conducting rod intended.
  • the present invention has been described using a turning bar, but is also in any other device for producing an air cushion between one Section of a printing press over which a web or sheet is passed, and the continuous path or the sheet can be used.
  • Preferred embodiments are, for example, in air-conducting bars or blowpipes on formers.
  • a former 400 is shown, on the surface of which a multiplicity of Blow openings 402, 404 are arranged and a web or a roller 403 Web strand 404 is fed.
  • the folding former on which webs or web strands of different widths are folded are comprised of at least one air-directing rod which corresponds to the one shown in FIGS similar rods described. However, it is also possible that the former itself forms such a rod.
  • exposed ones can be used Blow openings in the rods 409, 411 by inventive, as flat elements trained closing devices 434, 436 are closed.
  • blow holes 409, 411 are connected by one to the rear area of the former Air source 405 that pumps compressed air into a sealed space 407 with air acted upon. Blow openings can also be provided in the surface 413. In Embodiments in which the blowing openings are provided only in the rods 409, 411 the air source can be directly connected to the rods.
  • the former 400 can be shaped arbitrarily.
  • the closing devices can be used as Strips of magnetic material, e.g. B. foils or tapes preferably ferromagnetic material formed over the outer, during a Exposed blow openings are placed. If the interior 407 of the The former or the interior of the bars 409, 411 is accessible, the Blow openings alternatively also covered from the inside, as described with reference to FIG. 2B become. In this case too, the closing devices can have any shape, and the shape and number of locking devices is not as described here Embodiments limited.
  • the closing device according to the invention for Blow openings can also be used in sheet-fed rotary printing machines. It can be provided that the closing devices z. B. in the form of strips made of magnetic material over that when transporting small format sheets Blowing air nozzles required in sheet guiding elements, e.g. B. in the investor, in the area of Printing unit cylinder, in the area of transfer drums or in the area of Boom to be arranged to the blowing air nozzles in the same way as in the cover previously described turning bars.
  • the Closing devices according to the invention in the form of strip-shaped, in particular as large cloths or pads made of flexible magnetic material Blown air openings from nozzles or from suction cups used in the Inverters of sheet-fed rotary printing machines, in particular Storage drums, turning drums and / or the sheet suction or with blown air acting counter-pressure cylinders are arranged.
  • the closing devices according to the invention become apparent strip-shaped, flexible magnetic material also for covering Suction air openings are particularly suitable for sheet-fed rotary printing presses in the area the pneumatic, with nozzles, e.g. B. slot nozzles, swirl nozzles or simple openings
  • nozzles e.g. B. slot nozzles, swirl nozzles or simple openings
  • Provided sheet guide devices for sucking the sheets in the so-called beauty and Reverse printing operation are arranged in the area of the unprinted sheet underside.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Advancing Webs (AREA)
  • Rotary Presses (AREA)
EP00119327A 1999-10-01 2000-09-07 Dispositif pour fermer sélectivement des orifice de soufflage dans dispositifs de guidage ou barres pour le support à imprimer dans machines d'impression rotatives Withdrawn EP1088780A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41004199A 1999-10-01 1999-10-01
US410041 1999-10-01

Publications (2)

Publication Number Publication Date
EP1088780A2 true EP1088780A2 (fr) 2001-04-04
EP1088780A3 EP1088780A3 (fr) 2002-09-04

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EP00119327A Withdrawn EP1088780A3 (fr) 1999-10-01 2000-09-07 Dispositif pour fermer sélectivement des orifice de soufflage dans dispositifs de guidage ou barres pour le support à imprimer dans machines d'impression rotatives

Country Status (3)

Country Link
EP (1) EP1088780A3 (fr)
JP (1) JP2001145993A (fr)
DE (1) DE10044070A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002441A1 (fr) * 2001-06-28 2003-01-09 Koenig & Bauer Aktiengesellschaft Barres de retournement
WO2003013995A1 (fr) * 2001-08-01 2003-02-20 Koenig & Bauer Aktiengesellschaft Tige de renvoi
EP1997759A1 (fr) * 2002-10-19 2008-12-03 Koenig & Bauer Aktiengesellschaft Formulations liquides pour la prévention et le traitement de maladies et troubles de la muqueuse
EP2415702A3 (fr) * 2010-08-04 2012-04-04 Goss International Americas, Inc. Appareil de guidage d'une bande
DE102012201238B3 (de) * 2012-01-30 2012-12-27 Koenig & Bauer Aktiengesellschaft Vorrichtung einer Rollenrotationsdruckmaschine zur Verarbeitung einer oder mehrerer bedruckter Bahnen sowie Verfahren zur Bildung eines längsgefalzten Stranges
US10577252B2 (en) 2018-06-07 2020-03-03 Chevron U.S.A., Inc. Synthesis of molecular sieve SSZ-109

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010227545A (ja) * 2009-03-02 2010-10-14 Uni Charm Corp 折り装置及び吸収性物品の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453465A (en) * 1982-04-24 1984-06-12 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Web turning rod having air flow control means
US5452834A (en) * 1992-10-26 1995-09-26 Heidelberger Druckmaschinen Ag Web turning bar with selectively activated air flow ports
US5464143A (en) * 1993-04-08 1995-11-07 Hansen; Robert E. Width adjustable angle bar assembly for a printing press

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453465A (en) * 1982-04-24 1984-06-12 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Web turning rod having air flow control means
US5452834A (en) * 1992-10-26 1995-09-26 Heidelberger Druckmaschinen Ag Web turning bar with selectively activated air flow ports
US5464143A (en) * 1993-04-08 1995-11-07 Hansen; Robert E. Width adjustable angle bar assembly for a printing press

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002441A1 (fr) * 2001-06-28 2003-01-09 Koenig & Bauer Aktiengesellschaft Barres de retournement
WO2003013995A1 (fr) * 2001-08-01 2003-02-20 Koenig & Bauer Aktiengesellschaft Tige de renvoi
EP1997759A1 (fr) * 2002-10-19 2008-12-03 Koenig & Bauer Aktiengesellschaft Formulations liquides pour la prévention et le traitement de maladies et troubles de la muqueuse
EP2415702A3 (fr) * 2010-08-04 2012-04-04 Goss International Americas, Inc. Appareil de guidage d'une bande
DE102012201238B3 (de) * 2012-01-30 2012-12-27 Koenig & Bauer Aktiengesellschaft Vorrichtung einer Rollenrotationsdruckmaschine zur Verarbeitung einer oder mehrerer bedruckter Bahnen sowie Verfahren zur Bildung eines längsgefalzten Stranges
WO2013113411A1 (fr) 2012-01-30 2013-08-08 Koenig & Bauer Aktiengesellschaft Dispositif d'une presse rotative à imprimer pour le traitement d'une ou de plusieurs bandes continues imprimées et procédé de formation d'un faisceau plié dans le sens de la longueur
US10577252B2 (en) 2018-06-07 2020-03-03 Chevron U.S.A., Inc. Synthesis of molecular sieve SSZ-109
KR20210040830A (ko) * 2018-06-07 2021-04-14 셰브런 유.에스.에이.인크. 분자체 ssz-109의 합성

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Publication number Publication date
EP1088780A3 (fr) 2002-09-04
JP2001145993A (ja) 2001-05-29
DE10044070A1 (de) 2001-04-26

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