EP0939738B1 - Einrichtung zum zuführen von bogen - Google Patents
Einrichtung zum zuführen von bogen Download PDFInfo
- Publication number
- EP0939738B1 EP0939738B1 EP97948692A EP97948692A EP0939738B1 EP 0939738 B1 EP0939738 B1 EP 0939738B1 EP 97948692 A EP97948692 A EP 97948692A EP 97948692 A EP97948692 A EP 97948692A EP 0939738 B1 EP0939738 B1 EP 0939738B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- gripper
- cylinder
- designed
- feeding
- 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
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/0816—Suction grippers separating from the top of pile
- B65H3/0833—Suction grippers separating from the top of pile and acting on the front part of the articles relatively to the final separating direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/04—Grippers
- B41F21/05—In-feed grippers
Definitions
- the invention relates to a device for feeding sheets from a sheet stack to a transport drum of a printing press.
- Printing machines are known (US-A-4,343,462) who have a triple size Printing cylinder with three pressure calipers and three rows of grippers have, the printing cylinder with a double-sized Offset cylinder and this with a double-sized plate cylinder cooperates.
- the plate cylinder are two alternate in operative connection with the two pressure plates of the plate cylinder bringable inking units and dampening units assigned.
- the sheets to be printed are fed to the three gripper rows of the impression cylinder. After the multi-colored Printing on the three sheets takes place at two cylinder revolutions feeding the next three sheets.
- the object of the invention is to provide a device for Feed sheets with high feed rate and low dynamic Charges.
- the object is characterized by the characterizing part of the claim solved.
- a feed device is shown schematically, the feed device the top sheet 1 of each a sheet stack 2 isolated and the same up to a sheet transport drum 3 promotes.
- the sheet transport drum 3 is a printing cylinder with three rows of grippers 9, three cylinder channels 12 and with three pressure calipers 10 trained.
- the sheet transport drum 3 is in relation to a not shown having only one pressure saddle 10 Standard cylinder three times the size.
- the sheet transport drum 3 stands with at least one with a printing blanket Covered offset cylinder 11 in operative connection, the Offset cylinder 11 has two blanket saddles 13 and opposite the normal cylinder mentioned is double in size.
- the offset cylinder 11 is also double-sized Printing form cylinder 14 with two printing form saddles 15, on which one printing form each is clamped, in operative connection.
- the feed device consists of a transport element 4 and a pre-gripper 5.
- the transport element 4 is above the sheet stack 2, preferably arranged in the front area of the uppermost sheet 1, connected to a vibratory drive, not shown and trained as a suction transducer.
- the suction cup 6 of the suction oscillator are preferably as so-called three-stage suction cups educated.
- the oscillation angle of the transport element 4 is a maximum of 25 ° and is preferably 10 °.
- the top sheet 1 is used as a three-stage suction cup trained suction cups 6 of the transport element 4 in the area of Front edge (gripper edge) gripped and by a vertical movement the vacuum from the sheet stack 2 isolated. After that the bow 1 over the feed table 7 located in front of the sheet stack 2 up to those at the front end of the feed table Feed marks 8 promoted and released by the suction cups 6.
- the suction cups 6 become vertical again before the swinging back process moved and over the sheet stack 2 after completion of the swing back movement lowered onto the sheet stack 2; after that begins the process described again.
- a pre-gripper 5 is arranged below the feed table 7. This pre-gripper is designed as a suction oscillator. The vacuum cleaner takes the sheet 1 from the feed table 7, accelerated him and passes it to one of the gripper rows 9 Sheet transport drum 3.
- the sheet is fed to the sheet transport drum 5 only to every second row of grippers 9.
- the design of the feed device as two suction oscillators leads through the use of air as a holding element and of the valve control elements used to a very low mass Construction and therefore no dynamic loads, which means high speeds are possible.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
- Fig. 1
- Zuführeinrichtung
- Fig. 2
- s/v/b-Diagramm.
- 1
- oberster Bogen
- 2
- Bogenstapel
- 3
- Bogentransporttrommel
- 4
- Transportelement
- 5
- Vorgreifer
- 6
- Sauger
- 7
- Anlegtisch
- 8
- Anlegmarken
- 9
- Greiferreihe
- 10
- Drucksattel
- 11
- Offsetzylinder
- 12
- Zylinderkanal
- 13
- Drucktuchsattel
- 14
- Druckformzylinder
- 15
- Druckformsattel
- 16
- Verbindungslinie
- s
- Weg
- v
- Geschwindigkeit
- b
- Beschleunigung
- WP
- Wendepunkt
Claims (4)
- Einrichtung zum Zuführen von Bogen von einem Bogenstapel zu einer Bogentransporttrommel einer Druckmaschine, dadurch gekennzeichnet, daß oberhalb des Bogenstapels (2) ein den jeweils zuzuführenden obersten Bogen (1) des Bogenstapels (2) erfassendes, den Bogen vom Bogenstapel (2) trennendes und den Bogen über einen Anlegtisch (7) zu Anlegmarken (8) transportierendes mit einem Schwingantrieb verbundenes, als Sauger ausgebildetes Transportelement (4) und unterhalb der Ebene des Anlegtisches (7) ein den zuzuführenden Bogen (1) erfassender, den Bogen beschleunigender und den Bogen an die Bogentransporttrommel (3) übergebender als Saugerschwinger ausgebildeter Vorgreifer (5) angeordnet ist.
- Einrichtung zum Zuführen nach Anspruch 1, dadurch gekennzeichnet, daß die Bogentransporttrommel (3) als mit doppeltgroßen Offsetzylinder (11) mit zwei Drucktuchsätteln (13) zusammenwirkender dreifachgroßer Druckzylinder mit drei Drucksätteln (10) und drei Greiferreihen (9) ausgebildet ist und nur jeder zweiten Greiferreihe (9) einen Bogen (1) zugeführt wird.
- Einrichtung zum Zuführen nach Anspruch 1, dadurch gekennzeichnet, daß die Rückschwingbewegung des als Saugerschwinger ausgebildeten Vorgreifers (5) durch einen Zylinderkanal (12) des Bogenführungszylinders (3) erfolgt.
- Einrichtung zum Zuführen nach Anspruch 1, dadurch gekennzeichnet, daß der Wendepunkt der Schwingbewegung des als Saugerschwinger ausgebildeten Vorgreifers (5) asymetrisch zugunsten einer minimalen Beschleunigung des Bogens (1) verschoben ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19644944 | 1996-10-29 | ||
DE19644944A DE19644944A1 (de) | 1996-10-29 | 1996-10-29 | Einrichtung zum Zuführen von Bogen |
PCT/DE1997/002525 WO1998018704A1 (de) | 1996-10-29 | 1997-10-28 | Einrichtung zum zuführen von bogen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0939738A1 EP0939738A1 (de) | 1999-09-08 |
EP0939738B1 true EP0939738B1 (de) | 2001-04-11 |
Family
ID=7810318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97948692A Expired - Lifetime EP0939738B1 (de) | 1996-10-29 | 1997-10-28 | Einrichtung zum zuführen von bogen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0939738B1 (de) |
DE (2) | DE19644944A1 (de) |
WO (1) | WO1998018704A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008014812A1 (de) | 2008-03-18 | 2009-09-24 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zum Zuführen von Bogen |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10013379A1 (de) * | 2000-03-17 | 2001-09-20 | Koenig & Bauer Ag | Bogenrotationsdruckmaschine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2156577B2 (de) * | 1971-11-15 | 1974-07-04 | Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach | Vorgreiferschwinganlage |
DD142694A1 (de) * | 1979-04-02 | 1980-07-09 | Guenter Weisbach | Bogenrotationsdruckmaschine mit einem von unten arbeitenden vorgreifer |
DD142869A1 (de) * | 1979-04-02 | 1980-07-16 | Guenter Weisbach | Schwingender,von unten arbeitender vorgreifer |
DE4332683A1 (de) * | 1993-09-25 | 1995-03-30 | Heidelberger Druckmasch Ag | Vorrichtung für den Antrieb eines schwingenden Vorgreifers für den Einzelbogentransport in einer Druckmaschine |
-
1996
- 1996-10-29 DE DE19644944A patent/DE19644944A1/de not_active Withdrawn
-
1997
- 1997-10-28 WO PCT/DE1997/002525 patent/WO1998018704A1/de active IP Right Grant
- 1997-10-28 DE DE59703364T patent/DE59703364D1/de not_active Expired - Fee Related
- 1997-10-28 EP EP97948692A patent/EP0939738B1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008014812A1 (de) | 2008-03-18 | 2009-09-24 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zum Zuführen von Bogen |
EP2105395A1 (de) | 2008-03-18 | 2009-09-30 | Koenig & Bauer AG | Vorrichtung zum Zuführen von Bogen |
Also Published As
Publication number | Publication date |
---|---|
DE19644944A1 (de) | 1998-04-30 |
EP0939738A1 (de) | 1999-09-08 |
DE59703364D1 (de) | 2001-05-17 |
WO1998018704A1 (de) | 1998-05-07 |
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