EP0859729B1 - Wendestange - Google Patents
Wendestange Download PDFInfo
- Publication number
- EP0859729B1 EP0859729B1 EP96945979A EP96945979A EP0859729B1 EP 0859729 B1 EP0859729 B1 EP 0859729B1 EP 96945979 A EP96945979 A EP 96945979A EP 96945979 A EP96945979 A EP 96945979A EP 0859729 B1 EP0859729 B1 EP 0859729B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide groove
- turner bar
- bar according
- air outlet
- mounting
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
-
- 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
- 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
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/52—Auxiliary process performed during handling process for starting
- B65H2301/522—Threading web into machine
-
- 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
- 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 turning bar for deflecting a web according to the preamble of Claim 1.
- DE 41 30 678 A1 is a turning bar known which one next to the management area of Partial web arranged spiral groove for guiding a Pull-in tape has.
- the invention has for its object one of "two Sides” to create bypassable, turning bar.
- the advantages that can be achieved with the invention exist in that the turning bar on both sides, d. H. from one left side or half (Fig. 2) or from a right Side or half (Fig. 3) can be avoided.
- the the Half of the paper web facing each Air outlet openings that pass through with little effort half a turn of the tube can be changed.
- Another advantage is that on a holder of the turning bar according to the invention helical, air-blown guide groove for smooth guide provided for a pull-in tape is. This is advantageously an automatic Blow the guide groove only for the period of time actual passage of the feed belt.
- the turning bar continues to be beneficial when on the Bracket one in the opposite direction to the first guide groove arranged second guide groove is provided.
- a turning bar 1 consists of a Air outlet openings 2 provided tube z. B. Guide tube 3.
- the guide tube 3 is on both ends Bearing bushes 4; 6 in brackets 7; 8 at an angle of 45 ° to the direction of the paper web, e.g. B. by means of clips not shown, if necessary, also trusses fixed to the side frame, arranged.
- the Air outlet openings 2 are on the circumference of the Guide tube 3 at an angle alpha less than 165 ° and distributed over a length that a paper web width minus an amount, e.g. B. 30 mm for one protrusion corresponds.
- Both brackets 7; 8 are through a connecting pipe 9, which both brackets 7; 8th keep at a distance, firmly connected.
- the Connecting tube 9 has over its entire length and its circumference distributes air outlet openings 11.
- the connecting tube 9 is at one end with one in the right bracket 8 located connector 10 for Low pressure blowing air with an air pressure of z. B. 0.3 connected up to 0.6 bar.
- the guide tube 3 is made of a first end position A (Fig. 1 and 2) by 180 ° to its Rotation axis 5 rotatable in a second end position B. (Fig. 3)
- the guide tube 3 is in its respective End position A; B stored fixable. That can e.g. B. thereby be achieved that on one end of the Guide tube 3 two diametrically on the circumference opposite semicircular recesses 12; 13 are arranged, each optionally having a recess 13 against one in the radial direction of the guide tube 3 Movable locking handle 14 engages.
- the Locking handle 14 is against the force of a spring 15th which moves between the head of a bracket-fixed threaded bolt 31 and a collar 32 of Locking handle 14 supports.
- the bearing bushes 4; 6 can be made of plastic and on the bracket 7; 8 be pressed on.
- sealing rings 16; 17th are sealing rings 16; 17th used.
- a holder 7 of the guide tube 3 has one helical guide groove 18 for receiving a not shown feed belt for a web.
- On the groove base or the bottom surface 19 of the groove there are air outlet openings 21 to 25, which are designed as radial bores and in an axial central bore 27 of the left bracket 7 open.
- Air outlet opening 21 to 25 in the bottom surface 19 of the Groove 18 a known ball seat valve 33 so arranged that during the passage of the feed belt Ball seat valve 33 is opened (FIG. 4). Consequently can be between the bottom of the webbing and the guide groove 18 form an air cushion, which the friction between the two parts is reduced.
- the axial bore 27 is located on or in the Bracket 7 located connector 28 for High-pressure blowing air with an air pressure of z. B. 1.5 to 4 bar in connection.
- the helical guide groove 18 performs a on the circumference of the left bracket 7 half turn so that it becomes possible to use a pull-in tape for a web, e.g. B. a paper web 29 to run easily over the turning bar 1.
- the turning bar 1 it is also advantageous if at least one, e.g. B. the left bracket 7 one in the opposite direction to the first Guide groove 18 arranged second guide groove 34 having.
- This guide groove 34 is like that guide groove 18 formed and with unidentified air outlet openings. It is also possible to use the right bracket 8 with a Guide groove 18 or with a second guide groove 34 to train.
- both brackets 7; 8th the turning bar 1 it is also possible on both brackets 7; 8th the turning bar 1 to introduce a guide groove, wherein the guide grooves then run in opposite directions to each other should. In this case there is also a separate connection for high pressure blown air provided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
- Fig. 1
- eine Vorderansicht einer erfindungsgemäßen Wendestange, teilweise geschnitten entsprechend der Linie I - I nach Fig. 2;
- Fig. 2
- einen Querschnitt durch eine erfindungsgemäße Wendestange, wobei der Schnittverlauf durch die Luftaustrittsöffnungen des Führungsrohres sowie des Verbindungsrohres zum Teil im Längsschnitt erfolgt, so wie das entlang der Schnittlinie II - II aus Fig. 1 gezeigt ist; Führungsrohr in Endlage A gezeigt;
- Fig. 3
- einen Querschnitt analog Fig. 2, jedoch mit einem um 180° gedrehten Führungsrohr in Endlage B;
- Fig. 4
- eine vergrößerte Darstellung einer in einer Führungsnut befindlichen Luftaustrittsöffnung im Ruhezustand.
- 1
- Wendestange
- 2
- Luftaustrittsöffnung (3)
- 3
- Führungsrohr
- 4
- Lagerbuchse
- 5
- Längsachse (3)
- 6
- Lagerbuchse
- 7
- Halterung, links (1)
- 8
- Halterung, rechts (1)
- 9
- Verbindungsrohr (7; 8)
- 10
- Anschluß Niederdruck-Blasluft (8)
- 11
- Luftaustrittsöffnung (9)
- 12
- Ausnehmung (3)
- 13
- Ausnehmung (3)
- 14
- Arretierungsgriff
- 15
- Feder
- 16
- Dichtring (3; 7)
- 17
- Dichtring (3; 8)
- 18
- Führungsnut (7)
- 19
- Bodenfläche (18)
- 20
- -
- 21
- Luftaustrittsöffnung (19)
- 22
- Luftaustrittsöffnung (19)
- 23
- Luftaustrittsöffnung (19)
- 24
- Luftaustrittsöffnung (19)
- 25
- Luftaustrittsöffnung (19)
- 26
- -
- 27
- Bohrung, axial (7)
- 28
- Anschluß Hochdruck-Blasluft (7)
- 29
- Papierbahn
- 30
- -
- 31
- Gewindebolzen (8)
- 32
- Bund (14)
- 33
- Kugelsitzventil (21 - 25)
- 34
- Führungsnut, zweite (7)
- A
- Endlage (3)
- B
- Endlage (3)
- Alpha
- Winkel Umfang (3)
Claims (11)
- Blasluftbeaufschlagbare in einer Halterung (7; 8) befestigte Wendestange (1) zum Umlenken einer Bahn (29) über ein im Bahnführungsbereich mit Luftaustrittsöffnungen (2) versehenes Rohr (3), wobei im Mantel der Wendestange (1) zumindest eine wendelförmige Führungsnut für ein Einzugsband vorgesehen ist, dadurch gekennzeichnet, daß das Rohr (3) um seine Längsachse (5) verdrehbar und in Endlagen (A; B), die um 180° zueinander versetzt sind, arretierbar ist, und daß zumindest eine Führungsnut (18; 34) weitere Luftaustrittsöffnungen (21 bis 25) aufweist, die unabhängig vom Bahnführungsbereich der Wendestange (1) mit Druckluft beaufschlagbar sind.
- Wendestange nach Anspruch 1, dadurch gekennzeichnet, daß fest zwischen den Halterungen (7; 8) und innerhalb des Rohres (3) ein mit am Umfang befindlichen Luftaustrittsöffnungen (11) versehenes Verbindungsrohr (9) angeordnet ist.
- Wendestange nach den Ansprüchen 1 bis 2, dadurch gekennzeichnet, daß in einer Halterung (7; 8) ein Anschluß (10) für Niederdruck-Blasluft angeordnet ist.
- Wendestange nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß zumindest eine Halterung (7; 8) des Rohres (3) eine wendelförmige Führungsnut (18) mit an ihrer Bodenfläche (19) angeordneten Luftaustrittsöffnungen (21 bis 25) für Hochdruck-Blasluft aufweist.
- Wendestange nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß jede Halterung (7; 8) eine wendelförmige Führungsnut (18) aufweist.
- Wendestange nach den Ansprüchen 1 bis 4 dadurch gekennzeichnet, daß zumindest auf einer Halterung (7; 8) eine im Gegendrehsinn zur ersten Führungsnut (18) angeordnete zweite Führungsnut (34) vorgesehen ist.
- Wendestange nach den Ansprüchen 1 bis 6, dadurch gekennzeichnet, daß an jeder Luftaustrittsöffnung (21 bis 25) ein Kugelsitzventil (33) angeordnet ist.
- Wendestange nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß die wendelförmige Führungsnut (18; 34) auf dem Umfang der Halterung (7) eine halbe Drehung vollführt.
- Wendestange nach den Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß jede Luftaustrittsöffnung (21 bis 25) der Führungsnut (18; 34) mit einer zentralen Bohrung (27) einer Halterung (7; 8) in Verbindung steht.
- Wendestange nach den Ansprüchen 1 bis 9, dadurch gekennzeichnet, daß die zentrale Bohrung (27) mit einem an einer Halterung (7; 8) der Wendestange (1) befindlichen Anschluß (28) für Hochdruck-Blasluft in Verbindung steht.
- Wendestange nach den Ansprüchen 1 bis 10, dadurch gekennzeichnet, daß das Rohr (3) zwecks Führung der Warenbahn (29) wahlweise in jeder Endelage (A; B) arretierbar gelagert ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19541578A DE19541578C2 (de) | 1995-11-08 | 1995-11-08 | Wendestange |
DE19541578 | 1995-11-08 | ||
PCT/DE1996/002129 WO1997017202A2 (de) | 1995-11-08 | 1996-11-07 | Wendestange |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0859729A2 EP0859729A2 (de) | 1998-08-26 |
EP0859729B1 true EP0859729B1 (de) | 2000-03-22 |
Family
ID=7776898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96945979A Expired - Lifetime EP0859729B1 (de) | 1995-11-08 | 1996-11-07 | Wendestange |
Country Status (5)
Country | Link |
---|---|
US (1) | US5967456A (de) |
EP (1) | EP0859729B1 (de) |
JP (1) | JP2947943B2 (de) |
DE (2) | DE19541578C2 (de) |
WO (1) | WO1997017202A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004032647A1 (de) * | 2004-07-06 | 2006-02-16 | Voith Paper Patent Gmbh | Umlenkvorrichtung zum berührungslosen Umlenken einer Faserstoffbahn |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE312479B (de) * | 1963-03-19 | 1969-07-14 | Svenska Flaektfabriken Ab | |
JPS5395701A (en) * | 1976-12-29 | 1978-08-22 | Tokyo Kikai Seisakushiyo Kk | Device for automatically inserting paper through turnbar of rotary press |
DD152754A1 (de) * | 1980-08-29 | 1981-12-09 | Dietrich Hank | Luftumspuelte wendestange,insbes.fuer die richtungsaenderung laufender materialbahnen |
SE436585B (sv) * | 1981-08-27 | 1985-01-07 | Flaekt Ab | Anordning for frammatning av fremre enden pa ett banformigt material genom en tork- eller kylanleggning |
DE3215472C2 (de) * | 1982-04-24 | 1984-02-23 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Luftumspülte Wendestange |
JPS60248554A (ja) * | 1984-05-22 | 1985-12-09 | Toppan Printing Co Ltd | タ−ンバ−装置 |
US4889269A (en) * | 1988-09-21 | 1989-12-26 | Eastman Kodak Company | Web center-guiding apparatus |
JP2735934B2 (ja) * | 1990-06-22 | 1998-04-02 | 三菱重工業株式会社 | 帯状材の進行方向変更装置 |
JPH0478536A (ja) * | 1990-07-20 | 1992-03-12 | Komori Corp | ターンバー角度調整装置 |
DE4117094C2 (de) * | 1991-05-25 | 1995-10-19 | Heidelberger Druckmasch Ag | Druckluftgespeiste Wendestange zur Umlenkung von Warenbahnen in Rotationsdruckmaschinen |
DE4130678C2 (de) * | 1991-09-14 | 1995-03-16 | Roland Man Druckmasch | Vorrichtung zum Einziehen von Bahnen in Rollenrotationsdruckmaschinen |
DE9114974U1 (de) * | 1991-11-21 | 1992-02-06 | Koenig & Bauer Ag, 8700 Wuerzburg, De | |
EP0582927B1 (de) * | 1992-08-10 | 1997-11-19 | KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT | Wendestange für Materialbahnen |
DE4311438C2 (de) * | 1993-04-07 | 1997-06-19 | Koenig & Bauer Albert Ag | Wendestange für eine Materialbahn |
US5525602A (en) * | 1994-02-18 | 1996-06-11 | Syntex (U.S.A.) Inc. | Method of using 4-amino 6-substituted mycophenolic acid and derivatives |
-
1995
- 1995-11-08 DE DE19541578A patent/DE19541578C2/de not_active Expired - Fee Related
-
1996
- 1996-11-07 WO PCT/DE1996/002129 patent/WO1997017202A2/de active IP Right Grant
- 1996-11-07 DE DE59604799T patent/DE59604799D1/de not_active Expired - Fee Related
- 1996-11-07 JP JP9517752A patent/JP2947943B2/ja not_active Expired - Fee Related
- 1996-11-07 US US09/068,336 patent/US5967456A/en not_active Expired - Fee Related
- 1996-11-07 EP EP96945979A patent/EP0859729B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19541578A1 (de) | 1997-05-15 |
JPH11503103A (ja) | 1999-03-23 |
WO1997017202A2 (de) | 1997-05-15 |
EP0859729A2 (de) | 1998-08-26 |
JP2947943B2 (ja) | 1999-09-13 |
WO1997017202A3 (de) | 1997-07-10 |
DE59604799D1 (de) | 2000-04-27 |
US5967456A (en) | 1999-10-19 |
DE19541578C2 (de) | 1997-08-21 |
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