EP1112951A2 - Dispositif de guidage sans contact d'une bande de matériau - Google Patents

Dispositif de guidage sans contact d'une bande de matériau Download PDF

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Publication number
EP1112951A2
EP1112951A2 EP00126485A EP00126485A EP1112951A2 EP 1112951 A2 EP1112951 A2 EP 1112951A2 EP 00126485 A EP00126485 A EP 00126485A EP 00126485 A EP00126485 A EP 00126485A EP 1112951 A2 EP1112951 A2 EP 1112951A2
Authority
EP
European Patent Office
Prior art keywords
air
material web
metering
openings
web
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
EP00126485A
Other languages
German (de)
English (en)
Other versions
EP1112951A3 (fr
EP1112951B1 (fr
Inventor
Neil Doherty
Lawrence E. Zagar
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.)
Goss International Americas LLC
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 EP1112951A2 publication Critical patent/EP1112951A2/fr
Publication of EP1112951A3 publication Critical patent/EP1112951A3/fr
Application granted granted Critical
Publication of EP1112951B1 publication Critical patent/EP1112951B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00Means using fluid
    • B65H2406/10Means using fluid made only for exhausting gaseous medium
    • B65H2406/11Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/112Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along preferably rectilinear path, e.g. nozzle bed for web

Definitions

  • Supply lines that run along the separate sections run through the block connect the medium supply device, the medium from the Medium supply device starting from the supply lines from the Bores can flow out against the material web.
  • Control valves arranged outside the block by means of which the speed and the volume of the medium flow into the respective supply line can be controlled, so that a different pressure can be applied to each separate section. In this way, a pressure drop across the width of the web is formed, so that the web depending on the pressure drop that forces the web away from the block surface, deflected and deflected from a first guided direction into a second guided direction can be.
  • the dirigible Air bar arrangement is arranged in a dryer in such a way that the web in the Is essentially straight through the dryer.
  • a dryer In a dryer, one can A variety of such steerable air bar assemblies can be provided.
  • the dryer can also comprise a fixed air rod or a plurality of fixed air rods.
  • the Air rods can include counter pressure devices for generating a counterforce, which move the web back to a substantially central position.
  • the Counterpressure device preferably comprises one or more edge attachments Edge attachments, which are preferably at the ends of the fixed air rods or in the Near the ends of the stationary air rods are arranged in the dryer.
  • the solution according to the invention offers numerous advantages.
  • side correction Web shifts already in the dryer can cause additional web guiding devices omitted or simplified, since no strong after leaving the dryer lateral deviations of the web occur more. Therefore, with some Applications web guide devices downstream of the dryer unnecessary because the Path shifts can already be corrected in the dryer.
  • the Air rods according to the invention are preferably above and below the web guide level arranged.
  • the dosing devices integrated in the air rods allow the Dosing devices with respect to the air channels arranged on the air rod bodies.
  • the dosing devices are movably arranged so that they have a relative movement with respect to the air ducts or openings, which are preferably fixed predetermined positions are arranged on the air rods.
  • Spacers can be provided over the air rod through which the air channels from each other are spaced.
  • Air exchange openings are preferably on the metering device and control openings arranged, which change the air pressure in the under can produce air cushions generated in a web guide plane.
  • control openings are preferably provided, which with the openings for controlling an outflow channel formed in the air rod outflowing air flow can be brought into overlap.
  • the tax openings can be operated manually, mechanically or electrically, d. H. be moved.
  • the pivot point is 12 preferably on an imaginary center line of a processing station, e.g. B. one Dryer, arranged through which a material web 22 is guided.
  • a processing station e.g. B. one Dryer
  • the z. B. as a manually, mechanically or electrically operated Can be formed lever
  • the relative position of the metering plate 6 is in the direction of Air channels 16 and 18 easily adjustable.
  • the dashed line in Fig. 1b indicates an electrical or mechanical, especially hydraulic or pneumatic drive 108, which drives the actuator 14.
  • Fig. 1b the dosing plate 6 already shown in Fig. 1a is shown in detail.
  • the pivot point 12 is shown around the the metering plate 6 can be pivoted by actuating the control element 14.
  • the embodiment of the metering plate 6 shown here runs the metering gaps or Air exchange openings 8, 10 from a drive-side section 26 of the metering plate 6 to an operator-side section 28, i.e. in the lateral direction to the direction of movement of the material web 22.
  • the dashed line denotes the openings of the air channels 16 or 18, which are either completely congruent with the columns 8, 10 of the metering plate 6 or more or less depending on the relative position of the metering plate 6 are closed.
  • 2a and 2b is a second embodiment of the device according to the invention shown, which is pivotable about a pivot point arranged in the air rod 2 Dosing valve 40 includes.
  • the air rod 2 comprises an air rod body 36, is on an imaginary center line Processing station, e.g. B. a dryer arranged.
  • the air rod body 36 includes a hollow interior 4, which can be acted upon by compressed air.
  • a metering valve 40 is arranged in the hollow interior 4 in the hollow interior 4 in the hollow interior 4 .
  • a Carrier body 38 arranged through which the air channels 16, 18 spaced apart are.
  • the carrier body 38 is fastened to the metering valve 40 via bellows 100.
  • the dashed lines indicate a deflection plane 34 of the web on.
  • FIGS. 2a and 2b By an up or Downward movement of the metering valve 40 can increase the flow rate of the metering gaps 42, 44 can be controlled.
  • the embodiment shown in FIGS. 2a and 2b also enables an oblique arrangement of the metering valve 40 by the first actuating element 48 upwards rotated and the second actuator 50 is rotated downward. Accordingly, it will Metering valve 40 pivoted about its central attachment point, with a metering gap 42 is opened further than the opposite metering gap 44. In this way on the air duct 16 and on the air duct 18 in a simple manner different Flow rates are achieved, which e.g. the position of the maximum Curvature of the web path in the direction of movement of the material web 22 can be changed.
  • the first and the second actuating element 48, 50 which are shown here by way of example, preferably each comprise a rod-shaped element 52 which extends over a respective one Fastening element 54 is connected to the metering valve 40.
  • the Actuators 46, 48, 50 can be any of the actuators 46, 48, 50, e.g. an electric motor or be associated with a similar device that has a default depending of the material to be processed or different pressure drops across the width of the made possible, for example, by a dryer web 22.
  • the Dosing gaps 42, 44 can be a gap-shaped opening section or one of one Have a plurality of holes or bores formed opening portion.
  • FIG. 3a shows a third embodiment of the present invention, which consists of a preferably circular dosing openings 58 associated with an outflow channel 56 is formed.
  • the metering openings 58 comprise control elements 60 which are in the direction of the Dosing openings 58 are arranged movably.
  • the hollow interior 4 is pressurized with compressed air and includes the Outflow channel 56, which is formed in a metering body 104.
  • Adjacent to the The outflow duct 56 contains the first air duct 16 and the second air duct 18, their Openings run obliquely in the direction of the outflow channel 56.
  • the air channels 16, 18 are between oblique or inclined wall sections of the air rod body 36 the air rod 2 and preferably in a corresponding manner obliquely or inclined extending portions of the metering body 104 arranged, the outflow channel 56th Are defined.
  • the cross section of the respective air duct 16, 18 preferably remains constant over its entire length.
  • an outward airflow 64 which is at the Generation of a load-bearing air cushion under the material web 22 primarily involved is, or an inward airflow 62 that is not or only in a small amount Dimensions involved in the generation of the air cushion under the web 22.
  • Dosing openings 58 in the dosing body 104 can only be the inward air flow 62 to a limited extent from the central portion of the air cushion formed under the web 22 Drain 20. Accordingly, that is formed under the central portion of the web 22 Air cushion 20 depending on the position of the control element 60 with respect to the Dosing openings 58. In this way, the height of the material web 22 above the Air rod 2, i.e. the material web is displaced perpendicular to the transport direction of the web become.
  • the actual position of the control element 60 with respect to the metering openings 58 accordingly determines the inflow of the inward air flow 62 into the Outflow channel 56. This in turn influences the air pressure under the material web 22 formed air cushion 20.
  • FIG. 3b and 3c are respectively an enlarged top view of the control element 60 shown, in which a rotational movement (Fig. 3b) and a displacement (Fig. 3c) of the Control element is shown.
  • FIG. 3b shows a control element 60 which can be pivoted about the pivot point 12 shown.
  • the double arrow 66 indicates a pivoting movement of the control element 60 at about the pivot point 12.
  • those that open into the outflow channel 56 are Dosing openings 58 of a predetermined size, preferably circular, while the openings 70 in the control element 60 are preferably rectangular are.
  • a circular metering opening 58 and one rectangular opening 70 is a steadily increasing opening or closing of the in the Discharge duct 56 leading into outflow channel 56 without a sudden, abrupt Changing the opening size of the metering opening when the control element is actuated 60 allows. In this way, the pressure drop on both sides of the material web 22 can be varied so that a lateral movement of the material web 22 is effected.
  • control element 60 suitable for a sliding movement.
  • openings 70 in control element 60 are preferred shaped either square or rectangular.
  • the metering openings 58 of predetermined In this embodiment, sizes are also preferably square.
  • the Arrow 68 in FIG. 3c indicates a sliding movement of the control element 60.
  • the two in 3b and 3c, control elements 60 shown are perpendicular to the transport direction of the Material web 22 aligned.
  • the drive-side edge 26 and the operator-side edge 28 of the material web 22 in the processing station are also indicated in FIG. 3. On in this way the pressure drop with respect to the ends or sides of the air rod 2 changed and thus a lateral displacement of the material web 22 can be achieved.
  • the drive 108, the sensors 110 and the control device 112 of FIG. 1b can in the same way as in Fig. 1b also in those shown in Figs. 2a, 2b and 3a to 3c Embodiments may be included.
  • FIG. 4 is a perspective view of a dryer 72 with partially removed Exterior walls shown.
  • the dryer 72 runs from an inlet area 76 to an outlet area 74 the drive side 26 of the dryer 72 are fans, hot air lines and a Line system and the air rods 2 according to the invention arranged.
  • the Air rods or nozzle bars 2 according to the invention are, for example, each other arranged opposite below and above the web conveyor level 102 and here behind the Inlet area 76 shown.
  • There can be one in each section of the dryer 72 Guide device from an upper and a lower air rod 2 may be provided.
  • one Evaporation zone and a cooling zone can each one of the described Guide devices may be provided to guide the material web 22. In this way can a lateral displacement of the material web 22 already in the processing station, i.e.
  • the dryer can be compensated so that one of the outlet area 74 of the Dryer 72 downstream mechanical web guide can be omitted or the lateral Displacement of the material web can be kept within certain limits, so that the lateral displacement of the web by a mechanical web guide can be compensated.
  • FIG. 5 shows a further embodiment of an air rod 2 according to the invention, to control the lateral displacement of the web 22, the metering plate 6 with the the air channels 16, 18 assigned metering gaps 8, 10 together with the Dosing openings 58 and the control elements 60 assigned to the outflow channel 56 is used.
  • the air rod 2 Through the air rod 2 both the lateral position of the web 22 through a pivoting of the metering body 104, as well as the height or the profile of the web 22 by opening and closing the metering openings 58 accordingly controlled by Fig. 1a, 1b and 3a-3c already described manner.
EP00126485A 1999-12-30 2000-12-08 Dispositif de guidage sans contact d'une bande de matériau Expired - Lifetime EP1112951B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/476,072 US6397495B1 (en) 1999-12-30 1999-12-30 Web steering air flotation device for printing equipment
US476072 1999-12-30

Publications (3)

Publication Number Publication Date
EP1112951A2 true EP1112951A2 (fr) 2001-07-04
EP1112951A3 EP1112951A3 (fr) 2003-02-12
EP1112951B1 EP1112951B1 (fr) 2004-09-22

Family

ID=23890389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00126485A Expired - Lifetime EP1112951B1 (fr) 1999-12-30 2000-12-08 Dispositif de guidage sans contact d'une bande de matériau

Country Status (4)

Country Link
US (1) US6397495B1 (fr)
EP (1) EP1112951B1 (fr)
AT (1) ATE276956T1 (fr)
DE (1) DE50007876D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1364898A2 (fr) * 2002-05-07 2003-11-26 Voith Paper Patent GmbH Dispositif pour guider une bande en mouvement de papier, carton, ou d'un autre matériau en bande
DE10231404A1 (de) * 2002-07-11 2004-01-22 Voith Paper Patent Gmbh Bahnkantensteuervorrichtung
WO2008073771A1 (fr) * 2006-12-11 2008-06-19 Honeywell International Inc. Appareil et procédé permettant la stabilisation d'une feuille mobile par rapport à un capteur
US8028988B2 (en) 2008-01-21 2011-10-04 Honeywell International Inc. Apparatus and method for stabilizing a moving sheet relative to a sensor
US9109330B2 (en) 2009-03-09 2015-08-18 Honeywell International Inc. Apparatus and method for measuring properties of unstabilized moving sheets

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10229368B4 (de) * 2002-06-29 2007-04-05 Moenus Textilmaschinen Gmbh Umlufttrockner für Warenbahnen
US8413920B2 (en) * 2003-06-13 2013-04-09 The Procter & Gamble Company Method and apparatus for unwinding a roll of web material
US6948378B2 (en) * 2003-06-13 2005-09-27 The Procter & Gamble Company Method and apparatus for measuring tension in a moving web
DE10343407B4 (de) * 2003-09-19 2006-02-16 A. Monforts Textilmaschinen Gmbh & Co. Kg Düsenblaskasten eines Spannrahmens
US7311234B2 (en) * 2005-06-06 2007-12-25 The Procter & Gamble Company Vectored air web handling apparatus
US7694433B2 (en) 2005-06-08 2010-04-13 The Procter & Gamble Company Web handling apparatus and process for providing steam to a web material
US8061055B2 (en) * 2007-05-07 2011-11-22 Megtec Systems, Inc. Step air foil web stabilizer
CN102788494A (zh) * 2011-05-20 2012-11-21 深圳富泰宏精密工业有限公司 风干设备
CN116989542B (zh) * 2023-09-27 2023-12-08 岷县颐和中药材有限责任公司 一种中药材烘干装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698914A (en) * 1986-05-29 1987-10-13 E. I. Du Pont De Nemours And Company Setting/drying process for flexible web coating
EP0438235A2 (fr) * 1990-01-16 1991-07-24 W.R. Grace & Co.-Conn. Barre pneumatique de diffusion à buses directionnelles
US5152080A (en) * 1991-06-25 1992-10-06 W. R. Grace & Co.-Conn. Steerable air bar/edge dam apparatus
US5156312A (en) * 1989-12-29 1992-10-20 Somerset Technologies, Inc. Flotation nozzle for web handling equipment
JPH11165924A (ja) * 1997-12-08 1999-06-22 Inoue Kinzoku Kogyo Co Ltd シート用皺取り装置及び蛇行修正装置
EP0945695A1 (fr) * 1998-03-24 1999-09-29 Pagendarm Technologie GmbH Dispositif pour le traitement de bandes de matériau

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5395029A (en) * 1989-12-29 1995-03-07 Somerset Technologies, Inc. Flotation nozzle for web handling equipment
US5070628A (en) * 1990-01-16 1991-12-10 W. R. Grace & Co.-Conn. Rotatable slot nozzle air bar
DE4033642A1 (de) 1990-10-23 1992-04-30 Hoechst Ag Leitvorrichtung zum fuehren, aus- und/oder umlenken einer materialbahn

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698914A (en) * 1986-05-29 1987-10-13 E. I. Du Pont De Nemours And Company Setting/drying process for flexible web coating
US5156312A (en) * 1989-12-29 1992-10-20 Somerset Technologies, Inc. Flotation nozzle for web handling equipment
EP0438235A2 (fr) * 1990-01-16 1991-07-24 W.R. Grace & Co.-Conn. Barre pneumatique de diffusion à buses directionnelles
US5152080A (en) * 1991-06-25 1992-10-06 W. R. Grace & Co.-Conn. Steerable air bar/edge dam apparatus
JPH11165924A (ja) * 1997-12-08 1999-06-22 Inoue Kinzoku Kogyo Co Ltd シート用皺取り装置及び蛇行修正装置
EP0945695A1 (fr) * 1998-03-24 1999-09-29 Pagendarm Technologie GmbH Dispositif pour le traitement de bandes de matériau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 11, 30. September 1999 (1999-09-30) & JP 11 165924 A (INOUE KINZOKU KOGYO CO LTD), 22. Juni 1999 (1999-06-22) *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1364898A2 (fr) * 2002-05-07 2003-11-26 Voith Paper Patent GmbH Dispositif pour guider une bande en mouvement de papier, carton, ou d'un autre matériau en bande
EP1364898A3 (fr) * 2002-05-07 2005-01-12 Voith Paper Patent GmbH Dispositif pour guider une bande en mouvement de papier, carton, ou d'un autre matériau en bande
DE10231404A1 (de) * 2002-07-11 2004-01-22 Voith Paper Patent Gmbh Bahnkantensteuervorrichtung
WO2008073771A1 (fr) * 2006-12-11 2008-06-19 Honeywell International Inc. Appareil et procédé permettant la stabilisation d'une feuille mobile par rapport à un capteur
US8282781B2 (en) 2006-12-11 2012-10-09 Honeywell International Inc. Apparatus and method for stabilization of a moving sheet relative to a sensor
US8632662B2 (en) 2006-12-11 2014-01-21 Honeywell International Inc. Apparatus and method for stabilization of a moving sheet relative to a sensor
US8028988B2 (en) 2008-01-21 2011-10-04 Honeywell International Inc. Apparatus and method for stabilizing a moving sheet relative to a sensor
US9109330B2 (en) 2009-03-09 2015-08-18 Honeywell International Inc. Apparatus and method for measuring properties of unstabilized moving sheets

Also Published As

Publication number Publication date
EP1112951A3 (fr) 2003-02-12
ATE276956T1 (de) 2004-10-15
EP1112951B1 (fr) 2004-09-22
DE50007876D1 (de) 2004-10-28
US6397495B1 (en) 2002-06-04

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