EP1523447A1 - Umlenkstange f r eine materialbahn - Google Patents
Umlenkstange f r eine materialbahnInfo
- Publication number
- EP1523447A1 EP1523447A1 EP03727182A EP03727182A EP1523447A1 EP 1523447 A1 EP1523447 A1 EP 1523447A1 EP 03727182 A EP03727182 A EP 03727182A EP 03727182 A EP03727182 A EP 03727182A EP 1523447 A1 EP1523447 A1 EP 1523447A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross
- deflecting rod
- jacket
- rod according
- rotor
- 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
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/02—Conveying or guiding webs through presses or machines
- B41F13/06—Turning-bar arrangements
-
- 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
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
Definitions
- the invention relates to a deflecting rod for a material web according to the preamble of claim 1.
- Such deflecting rods or turning rods are used in large numbers, for. B. used in newspaper printing machines to divert paper webs or strands, bundle and / or feed a folder.
- these deflecting rods have a jacket with a plurality of air outlet openings through which the turning bar can discharge compressed air supplied from outside in order to produce an air cushion between the jacket of the turning bar and the paper web deflected thereon, which enables an almost smooth and lubrication-free deflection.
- deflecting rods are usually connected to a central compressed air source by several pipes.
- the compressed air requirement of a turning bar depends on its geometry, the extent of the wrapping of a web deflected on it, its width, tension, etc.
- the actual air throughput depends on the performance of the compressed air source and on the geometry, in particular the length and the flow resistance of the compressed air source to the pipeline leading to the turning bar.
- the invention has for its object to provide a deflecting rod for a web of material with a simple structure.
- the deflecting rod By moving the blower inside the deflecting rod, the deflecting rod enables a particularly compact structure that is well suited for a modular construction or for retrofitting to existing web processing machines.
- a fan design that is particularly well suited for installation in a turning bar is a cross-flow rotor.
- An electric motor for driving the cross-flow rotor can also advantageously be accommodated in the interior of the jacket of the deflecting rod.
- a roller bearing is expediently between the cross-flow rotor and the inner surface of the shell.
- a suction opening of the pressure generator can be arranged on an end face of the deflecting rod.
- a housing of the cross-flow rotor can be open on its end face facing the suction opening in order to allow air to flow in as freely as possible; It is also conceivable that an air duct is guided from the suction opening through a hollow shaft of the electric motor to the cross-flow rotor.
- At least one suction opening of the pressure generator can also be arranged on the jacket. This is particularly useful if several selectively operable cross-flow rotors are accommodated in the jacket.
- the jacket can be divided into individual segments in the axial direction and / or in the circumferential direction.
- the suction opening formed on the jacket should of course be arranged as close as possible to one of the ends of the deflecting rod. If the end itself contains the electric motor, the suction opening is expediently arranged between this end and a section of the jacket containing the cross-flow rotor.
- the compressed air generator has a plurality of cross-flow rotors, at least one of which can optionally be coupled to and decoupled from a motor, in order to operate it only when one of the cross-flow rotors supplies it Section of the width of the deflecting rod is actually deflected a web of material.
- Figure 1 is an axial section through a turning bar according to a first embodiment of the invention.
- FIG. 2 shows a radial section through the turning bar from FIG. 1;
- FIG. 3 shows an axial section through a turning bar according to a second embodiment of the invention
- FIG. 4 shows an axial section through a third embodiment, in which two compressed air generators are accommodated in the deflecting rod;
- FIG. 5 shows a partial axial section through a deflection rod according to a fourth embodiment, in which a cross-flow rotor can be selectively coupled to or decoupled from the electric motor.
- the first embodiment is first described with reference to FIGS. 1 and 2.
- the turning bar has a hollow cylindrical jacket 01, which is provided on one half of its circumference with regularly distributed air outlet openings 02.
- the jacket 01 is open on one end 03; at its opposite end it is connected to a support frame (not shown in FIG. 1) via a pipe 04 attached at an angle of approximately 45 °.
- a blower 06 e.g. B. a cross-flow rotor 06 extends substantially over the entire length of the shell 01 in its hollow interior and is by means of two bearings 07, z. B. rolling bearings 07 rotatably supported, each abut with an outer ring on the inside of the jacket 01 and with an inner ring each have a face plate 08 and a face ring 09 of the cross-flow rotor 06. Between the end plate 08 and the end ring 09 extend, distributed evenly in the circumferential direction, a plurality of lamellae 11 with a curved cross-section in the axial direction of the jacket 01.
- the lamellae 11 generate an overpressure in a space 12 between the rotor rotor 06 when it rotates Cross-flow rotor 06 and the jacket 01, so that air flows out of the space 12 through the air outlet openings 02 to an air cushion for a material web (not shown) wrapped around the jacket 01, for. B. to create a paper web.
- outside air flows in via the open end face 03 of the jacket 01 and the opening of the end ring 09 of the crossflow rotor 06.
- the rotation of the cross-flow rotor 06 is driven by a shaft 14 which engages on the end plate 08 and which is coupled via a universal joint 16 to a shaft 17 guided through the tube 04.
- An electric motor (not shown) for driving the shaft 17 is mounted on the support frame.
- connection of the tube 04 to the support frame can be designed with a large free passage cross section, and the end plate 08 can also have openings (not shown) in order to allow air to flow into the interior 13 of the engine from the side of the tube 04 as well ,
- an electric motor 21 for rotating the cross-current rotor 06 is arranged inside the jacket 01 at a closed end 22.
- An electrical line for power supply to the electric motor 21 is guided through the support arm 23.
- the end face 03 opposite the end 22 is open, as in the first exemplary embodiment, so that outside air is sucked into the interior 13 through this opening.
- the cross-flow rotor 06 is connected directly to the drive shaft of the electric motor 21 via the end plate 08; the end ring 09 is in turn held by a roller bearing 07 arranged between it and the jacket 01.
- Fig. 4 shows a third embodiment of the deflecting rod in an axial section.
- the jacket 01 carries, on a side facing away from the air outlet openings 02, a web 24 on which a (not shown support arm) of the support frame can be pivotably attached, so that the deflecting rod between two stop positions around an axis perpendicular to the cutting plane by approx. 90 ° is pivotable.
- Two cross-flow rotors 06 are arranged in the interior of the casing 01, each of which has an electric motor 21 as a drive.
- the electric motors 21 are arranged at opposite ends 22 of the turning bar.
- the shafts 26 of the electric motors 21 are hollow and led out on the end faces of the deflecting rod.
- the two electric motors 21 can be operated independently of one another, depending on whether one over the entire effective, ie. H. should be deflected with the air outlet openings 02 provided width of the jacket 01 extending material web or a material web that only covers the left or right half of this effective width.
- the cross-flow rotor 06 which is not wrapped in a material web, remains unpowered. Since the spaces 12, which surround the left and right crossflow rotor 06, are separated from each other by the roller bearings 07 or other covers, there is at most a slight escape of compressed air from the space 12 surrounding the driven crossflow rotor 06 in the axial direction; the vast majority of the compressed air generated escapes through the air outlet openings 02 and thus generates the desired air cushion between the jacket 01 and the material web to be deflected.
- FIG. 5 shows a partial axial section through a deflecting rod according to a fourth embodiment of the invention.
- the structure of the turning bar is symmetrical with respect to the sectional plane indicated by the dash-dotted line A, with the exception of the support arm 23, which of course only engages the end 22 of the deflecting bar shown in FIG. 5, while the opposite end 22, not shown, is flying is stored.
- the electric motors 21 have a thick, hollow shaft 26 which is led out at the end and which enables the interior 13 of the crossflow rotor 06, which is firmly coupled to the shaft 26, to be supplied with outside air.
- the shaft 26 extends freely through a second fan 27, e.g. B. Cross-flow rotor 27.
- This second cross-flow rotor 27 has on its end facing the motor 21 an end ring 09 with a central opening through which the shaft 26 extends, the free cross section of the opening being considerably larger than the cross section of the shaft 26.
- a chamber 28 which is connected to the environment via a plurality of suction openings 29 broken into the jacket 01.
- the supply lines for both electric motors 21 are guided through the support arm 23.
- An end face 31 of the cross-flow rotor 27 lying opposite the end ring 09 can be brought into friction or frictional engagement with the cross-flow rotor 06 by axially displacing the cross-flow rotor 27 or, alternatively, the cross-flow rotor 06 and the shaft 26.
- the end face 31 and the opposite face of the cross-flow rotor 06 can be provided with complementary teeth.
- both cross-flow rotors 06; 27 are correspondingly selectively drivable, the deflecting rod of FIG. 5 is able to provide an air cushion of a suitable width in each case under a quarter-wide material web that is deflected on one of the two middle quarters of the jacket 01, a half-wide material web that is connected to the two middle quarters of the jacket 01 is deflected under a three-quarter-wide or a full-width material web.
- FIG. 6 shows a fifth embodiment of the deflecting rod, which differs from the embodiment of FIG. 5 in that the chamber 28 with the suction openings 29 has been omitted; instead, a plurality of openings 32 are formed in the portion of the shaft 26 extending through the second cross-flow rotor 27.
- a plurality of electric motors 21 can be arranged in the deflecting rod.
- the electric motors 21 can be set to different speeds.
- the speed of the electric motors 21 is adjustable depending on the width and / or speed and / or coefficient of friction and / or tension of the material web.
- the electric motors 21 of a deflecting rod have z. B. an operating state different speeds.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Basic Packing Technique (AREA)
- Coating Apparatus (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Chutes (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Chain Conveyers (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Drying Of Solid Materials (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10232555A DE10232555B3 (de) | 2002-07-18 | 2002-07-18 | Umlenkstange für eine Materialbahn |
| DE10232555 | 2002-07-18 | ||
| PCT/DE2003/001131 WO2004016534A1 (de) | 2002-07-18 | 2003-04-07 | Umlenkstange für eine materialbahn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1523447A1 true EP1523447A1 (de) | 2005-04-20 |
| EP1523447B1 EP1523447B1 (de) | 2008-12-31 |
Family
ID=29723909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03727182A Expired - Lifetime EP1523447B1 (de) | 2002-07-18 | 2003-04-07 | Umlenkstange für eine materialbahn |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1523447B1 (de) |
| AT (1) | ATE419208T1 (de) |
| AU (1) | AU2003233933A1 (de) |
| DE (2) | DE10232555B3 (de) |
| WO (1) | WO2004016534A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005000094A1 (de) * | 2005-07-26 | 2007-02-01 | Voith Patent Gmbh | Wickelkern, Wickelmaschine und Verfahren zum Aufwickeln einer Materialbahn |
| DE102010006208A1 (de) * | 2010-01-29 | 2011-08-04 | Eastman Kodak Company, N.Y. | Verfahren und Vorrichtung zum Wenden von bahnförmigen Substraten |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE196703C1 (de) * | 1956-04-07 | 1965-06-15 | Svenska Flaektfabriken Ab | |
| JPS597655A (ja) * | 1982-07-05 | 1984-01-14 | Nisshin Steel Co Ltd | 低接触圧サポ−トロ−ル装置 |
| DE19647919A1 (de) * | 1996-11-20 | 1998-05-28 | Voith Sulzer Papiermasch Gmbh | Vorrichtung zur Führung einer Materialbahn |
| DE10063025B4 (de) * | 2000-12-16 | 2005-05-12 | Man Roland Druckmaschinen Ag | Feststehende Papierleiteinrichtung |
-
2002
- 2002-07-18 DE DE10232555A patent/DE10232555B3/de not_active Expired - Fee Related
-
2003
- 2003-04-07 AU AU2003233933A patent/AU2003233933A1/en not_active Abandoned
- 2003-04-07 DE DE50311009T patent/DE50311009D1/de not_active Expired - Fee Related
- 2003-04-07 EP EP03727182A patent/EP1523447B1/de not_active Expired - Lifetime
- 2003-04-07 AT AT03727182T patent/ATE419208T1/de not_active IP Right Cessation
- 2003-04-07 WO PCT/DE2003/001131 patent/WO2004016534A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004016534A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE419208T1 (de) | 2009-01-15 |
| DE50311009D1 (de) | 2009-02-12 |
| DE10232555B3 (de) | 2004-01-15 |
| AU2003233933A1 (en) | 2004-03-03 |
| WO2004016534A1 (de) | 2004-02-26 |
| EP1523447B1 (de) | 2008-12-31 |
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