EP0663360B1 - Bogenführungszylinder - Google Patents
Bogenführungszylinder Download PDFInfo
- Publication number
- EP0663360B1 EP0663360B1 EP94120046A EP94120046A EP0663360B1 EP 0663360 B1 EP0663360 B1 EP 0663360B1 EP 94120046 A EP94120046 A EP 94120046A EP 94120046 A EP94120046 A EP 94120046A EP 0663360 B1 EP0663360 B1 EP 0663360B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axis
- rotation
- cylinder
- sheet
- cylinder housing
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
- B65H29/245—Air blast devices
-
- 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
- sheet guiding cylinder is in one Chain delivery of a sheet-fed rotary printing press, in which the sheet guide cylinder directly onto a printing cylinder follows.
- sheet guide cylinder concentric between two to their axis of rotation Sprockets around which a pair of endless cantilever chains is looped, which gripper systems carried by them together with it, from the impression cylinder sheet from the area of the impression cylinder convey a sheet stacking device.
- the bow guide cylinder has the task of one in each case clamped in a gripper system within one determined by the sprockets Deflection area so that on a freshly printed, the surface of the sheet guiding cylinder no loss of quality due to so-called Lubrication may occur.
- the generic sheet guiding cylinder operationally supporting a respective arch air cushion provided by means of which the respective sheet of the Shell surface of the sheet guide cylinder is kept away.
- This air cushion is created with the help of a blade ring escaping air flow generated.
- the blades of the Blade rings have a curved blade profile.
- the Generic sheet guide cylinder thus allows fluidically favorable curvature of the Blade profile expect a favorable relationship between the power used to drive the blade ring on the one hand and the kinetic energy on the other hand, which the air flow emerging from the blade ring inherent. Such a flow optimization however, does not generally guarantee safe keeping away of a respective arc from the lateral surface of the Bow guide cylinder.
- the object of the invention is a generic sheet guide cylinder in the way improve that pressing the sheet against the outer surface the sheet guide cylinder in changing operating conditions is avoided. This task is carried out with an Claim specified sheet guide cylinder solved.
- an inventive Sheet guiding cylinder has the to generate the called air cushion used in their airflow opposite a section impinging a bow a generic sheet guide cylinder an essential larger radial portion.
- This also results in one Change of operating state according to the above Examples mentioned stable operation in the sense that a respective arc from the lateral surface of the Arch guide cylinder is kept away.
- An additional one The advantage here is that in particular the blade ring located within the cylinder housing Flow losses through suitable design of the Blade profile regardless of the directional components of the airflow leaving this blade ring is minimized can be. When designing the cylinder jacket forming skeleton can also minimize the Flow losses are made at the guide vanes. Overall, therefore, with an inventive Bow guide cylinder stable operation in the sense mentioned even without considerable additional effort in terms of drive power of the blade ring producing the air flow is reached become.
- FIG. 1 Sheet-fed rotary printing press shows in schematic Representation of a printing cylinder 1 and a subsequent one Section of a chain boom 2.
- This comprises a one first side wall 3 and a second side wall 4 associated first and second sprockets 5 and 6.
- Die Sprockets 5 and 6 are 7 with respect to the axis of rotation (see Fig. 2) one arranged between them Bow guide cylinder rotatable and of a pair of endless Boom chains 9, 10 entwined, which are carried by them Gripper systems 11 together with clamped therein, from Printing cylinder 1 sheet taken from the area of Printing cylinder 1 to a not shown Transport sheet stacking device.
- the bows mentioned are not shown for reasons of clarity.
- Cylinder jacket 15 comprises in the form of a framework.
- a respective end face part 13 or 14 is a for Rotation axis 7 concentric axis section 16, 17 fixed connected, which in turn with respect to the axis of rotation 7 rotatable in the first or second side wall 3 or 4 is stored.
- a respective axis section 16 or 17 is a respective one of the sprockets 5 and 6 rotatably connected.
- An operational rotation of the cylinder housing around the axis of rotation 7 takes place with the aid of a first one Rotary drive member 18 in the form of a gear, which in illustrated example with the reference number 16 provided axis section is rotatably connected.
- the the first rotary drive member 18 representing gear can remaining part of a known with a Drive unit connected gear train the Sheet-fed rotary printing press, with the help of which presented example then the sheet guide cylinder 8 and the sprockets 5 and 6 together operationally around the Rotation axis 7 are rotated.
- the Blade ring 19 is formed by means of blades 20, 20 ' extend along the sheet guide cylinder 8 and in planes perpendicular to the axis of rotation 7 have curved blade profile.
- the cohesion of Blade ring 19 realized as follows.
- the respective first blade ends are concentric on a respective axis of rotation 7 Ring 21 and the respective second blade ends on one circular disc 22 also concentric with the axis of rotation 7 attached.
- Example 11 The rotatability of the blade ring 19 with respect to Rotation axis 7 and relative to the cylinder housing is in Example realized as follows.
- One to the axis of rotation 7 concentric drive shaft 23 is at its ends in one the axle sections 16 and 17 rotatably supported and the another rotatably connected to the circular disc 22.
- Air flow passes through the in the front parts 13th and 14 provided openings 12 into the interior of the Cylinder jacket 15 and here passes one of them Blade ring 19 surrounded, in the longitudinal direction of the Bow guide cylinder 8 extending suction area 29.
- this suction area 29 through the Circular disk 22 in two suction sections 29 ', 29 '' subdivided, each of which has a Inlet nozzle 28 with the openings 12 of each Front part 13 or 14 is connected.
- Fig. 3 is an inventive design of the Cylinder jacket 15 in the form of a using Guide vanes formed skeleton most clearly recognizable.
- part of the skeleton of Trusses 31 shown which the first end part 13th with the second, not shown in Fig. 3 Connect end face part 14, a respective one End face part 13 or 14 essentially the shape of a Disc with a cylindrical surface 32 has and the trusses 31 over the circumference of this disc are distributed.
- Truss 31 formed intermediate space is a frame 33 used and with a respective end face part 13, 14th connected.
- a respective frame 33 in essentially the shape of a thin-walled, with recesses 34 provided hollow cylinder segment, which is from the first Front part 13 extends to the second end part 14 and is so curved that a respective one Front part 13 and 14 associated end piece 35 of the Frame 33 to the respective peripheral surface 32 of this Front parts 13 and 14 nestles.
- the cutouts 34 extend in the longitudinal direction of the cylinder jacket 15 from a first to a second, not shown in FIG.
- a respective guide vane profile extends from one imagined, within all of the above Hollow cylinder segments located to the axis of rotation 7 symmetrical first cylinder surface up to one thought outside the entirety of this Hollow cylinder segments located to the axis of rotation 7 symmetrical second cylinder surface, the imagined a second cylinder jacket surface Cylinder jacket 15 enclosing envelope surface.
- the Guide vane profile and the position of the guide vanes 30 compared to a respective frame 33 are chosen so that one outside the entirety of the Hollow cylinder segments located outer profile section of the Guide vane profile substantially radially in the above Envelope surface opens.
- the rest of the guide vane profile this is preferably curved such that one from the outside Profile section facing away from the inner profile section of the Guide blade profile tends against the direction of rotation of the Blade 19 shows.
- the guide vanes 30 are shown in FIGS Regions of the end pieces 35 of the frame 33 and the webs 36 provided with notches and on the end pieces 35 and Ridges 36 put on.
- a mutual fixation of on the one hand guide vanes 30 and on the other hand frame 33 can with a suitable choice of materials by welding. With the mutual fixation are then from each Guide vanes 30 and a respective frame 33 existing Framework parts are formed which, as in the example according to FIG. 3 represented by a screw connection on the Circumferential surface 32 of a respective end face part 13 or 14 can be connected to this.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Discharge By Other Means (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Rotary Pumps (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Description
- Fig. 1
- eine schematische Darstellung eines in einen Kettenausleger einer Bogenrotationsdruckmaschine integrierten erfindungsgemäßen Bogenführungszylinders,
- Fig. 2
- einen entlang der Rotationsachse eines erfindungsgemäßen Bogenführungszylinders geführten Schnitt,
- Fig. 3
- einen Abschnitt des Zylindergehäuses eines erfindungsgemäßen Bogenführungszylinders.
Claims (1)
- Bogenführungszylinder einer Druckmaschine miteinem um eine Rotationsachse (7) drehbar angeordneten Zylindergehäuse, welches Stirnseitenteile (13, 14) mit Durchbrechungen (12) und einen Zylindermantel (15) in Form eines Gerippes umfaßt,einem ersten Drehantriebsglied (18), welches das Zylindergehäuse betriebsmäßig um die Rotationsachse (7) dreht,einem innerhalb des Zylindergehäuses angeordneten, zur Rotationsachse (7) konzentrischen und gegenüber dem Zylindergehäuse bezüglich der Rotationsachse (7) drehbaren Schaufelkranz (19) aus Schaufeln (20, 20'), welche sich entlang des Bogenführungszylinders (8) erstrecken und in senkrecht zur Rotationsachse (7) liegenden Ebenen ein gekrümmtes Schaufelprofil aufweisen,einem von dem Schaufelkranz (19) umgebenen, sich in Längsrichtung des Bogenführungszylinders (8) erstreckenden Ansaugbereich (29), der mit den jeweiligen Durchbrechungen (12) eines jeweiligen Stirnseitenteils (13, 14) in Verbindung steht,
undeinem zweiten Drehantriebsglied (25), welches den Schaufelkranz (19) betriebsmäßig relativ zum Zylindergehäuse dreht,
dadurch gekennzeichnet, daßdas Gerippe des Zylindermantels (15) unter Verwendung von Leitschaufeln (30) gebildet ist,
unddie Leitschaufeln (30) sich entlang des Bogenführungszylinders (8) erstrecken und in senkrecht zur Rotationsachse (7) liegenden Ebenen ein gekrümmtes Leitschaufelprofil aufweisen, welches innerhalb des Zylindermantels (15) beginnend in eine gedachte, den Zylindermantel (15) einschließende und zur Rotationsachse (7) symmetrische zylindrische Hüllfläche im wesentlichen radial mündet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4401114 | 1994-01-17 | ||
DE19944401114 DE4401114C1 (de) | 1992-07-20 | 1994-01-17 | Bogenführungszylinder |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0663360A2 EP0663360A2 (de) | 1995-07-19 |
EP0663360A3 EP0663360A3 (de) | 1998-06-10 |
EP0663360B1 true EP0663360B1 (de) | 2000-04-12 |
Family
ID=6508040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94120046A Expired - Lifetime EP0663360B1 (de) | 1994-01-17 | 1994-12-17 | Bogenführungszylinder |
Country Status (6)
Country | Link |
---|---|
US (1) | US5626075A (de) |
EP (1) | EP0663360B1 (de) |
JP (1) | JP3013623U (de) |
AT (1) | ATE191701T1 (de) |
CA (1) | CA2139084A1 (de) |
DE (1) | DE59409290D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5913268A (en) * | 1998-02-17 | 1999-06-22 | Xerox Corporation | Pneumatic rollers and paper handling arrangements |
DE59906937D1 (de) | 1998-12-03 | 2003-10-16 | Heidelberger Druckmasch Ag | Ausleger einer Bogen verarbeitenden Maschine |
JP4638165B2 (ja) | 2003-07-16 | 2011-02-23 | ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト | 枚葉紙を処理する機械 |
JP4092302B2 (ja) * | 2004-04-01 | 2008-05-28 | ソニーケミカル&インフォメーションデバイス株式会社 | サクション装置 |
JP2006347702A (ja) * | 2005-06-16 | 2006-12-28 | Komori Corp | シート状物案内装置 |
CN101850652B (zh) * | 2009-03-19 | 2015-03-11 | 小森公司 | 薄片形件质量检查装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1561043B1 (de) * | 1967-03-16 | 1970-03-05 | Roland Offsetmaschf | Auslegertrommel |
DD229360A1 (de) * | 1984-11-27 | 1985-11-06 | Polygraph Leipzig | Blaslufttrommel als uebergabetrommel und auslagetrommel an bogenverarbeitenden maschinen |
DE3602084A1 (de) * | 1986-01-24 | 1987-07-30 | Heidelberger Druckmasch Ag | Bogenueberfuehrtrommel zwischen den druckwerken von rotationsdruckmaschinen |
US5205217A (en) * | 1990-12-31 | 1993-04-27 | Howard W. DeMoore | Vacuum transfer apparatus for rotary sheet-fed printing presses |
DE4223839C1 (de) * | 1992-07-20 | 1993-12-23 | Heidelberger Druckmasch Ag | Bogenführungszylinder einer Druckmaschine |
DE4244499C2 (de) * | 1992-12-30 | 1995-04-06 | Heidelberger Druckmasch Ag | Druckmaschine mit bogenführender Fläche |
-
1994
- 1994-12-17 EP EP94120046A patent/EP0663360B1/de not_active Expired - Lifetime
- 1994-12-17 DE DE59409290T patent/DE59409290D1/de not_active Expired - Fee Related
- 1994-12-17 AT AT94120046T patent/ATE191701T1/de not_active IP Right Cessation
- 1994-12-23 CA CA002139084A patent/CA2139084A1/en not_active Abandoned
-
1995
- 1995-01-13 JP JP1995000072U patent/JP3013623U/ja not_active Expired - Lifetime
- 1995-01-17 US US08/373,026 patent/US5626075A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0663360A2 (de) | 1995-07-19 |
JP3013623U (ja) | 1995-07-18 |
DE59409290D1 (de) | 2000-05-18 |
ATE191701T1 (de) | 2000-04-15 |
CA2139084A1 (en) | 1995-07-18 |
EP0663360A3 (de) | 1998-06-10 |
US5626075A (en) | 1997-05-06 |
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