EP0685337B1 - Vorrichtung zur Verstellung der Greiferaufschlagleiste für Bogengreifer in einer Wendetrommel einer Schön- und Widerdruckmachine - Google Patents
Vorrichtung zur Verstellung der Greiferaufschlagleiste für Bogengreifer in einer Wendetrommel einer Schön- und Widerdruckmachine Download PDFInfo
- Publication number
- EP0685337B1 EP0685337B1 EP95105578A EP95105578A EP0685337B1 EP 0685337 B1 EP0685337 B1 EP 0685337B1 EP 95105578 A EP95105578 A EP 95105578A EP 95105578 A EP95105578 A EP 95105578A EP 0685337 B1 EP0685337 B1 EP 0685337B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gripper
- adjusting
- wedge
- swivel shaft
- strip
- 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
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/10—Combinations of transfer drums and grippers
- B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
Definitions
- the invention relates to a device for adjusting Gripper serves for sheet grabs in a turning drum Perfecting machine.
- a device of this type is known from DE 3 508 699 C2. Then the gripper pads are in the swivel shaft Integrated control shaft adjustable in height using multi-level control levels. This version is structurally complex and requires a larger space.
- An adjustable gripper pad is known from US Pat. No. 1,208,731 known, which is mounted on a rotating printing cylinder. This structurally complex, height-adjustable gripper pad however, does not affect a turning drum. A transfer of teaching to the US-PS 1 208 731 on a turning drum is technically not without further action is possible because two interacting correlatively Gripper system of a turning drum a special problem is present.
- GB 2 098 966 A describes a device for positioning (superscript and subscript) the gripper pad of a gripper bridge of a sheet guide cylinder is known. Positioning the gripper pad, depending on the thickness of the substrate to be processed, takes place by means of an adjusting rod, which acts in the cylinder axis direction against spring force displaceable by means of a screw under one over the entire length of the cylinder extending gripper pad is arranged.
- the contact surfaces of the gripper pad and adjusting rods form a thrust wedge transmission in the cylinder axis direction, such that a displacement of the adjusting rod the radial positioning of the Gripper pads causes.
- the object of the invention is the gripper pads for sheet grabs in a reversing drum of a perfecting machine height adjustable from the stock to be processed minimal space requirement, in a compact design with the corresponding Perform registration.
- the invention is suitable for turning drums where the space available for Adjustment of the gripper pads are limited. With the present Solution, the assembly effort is reduced and the gripper pads are continuously or also gradually parallel to the Swivel shaft adjusted. Another advantage is the higher one Stiffness of the actuator, which consists of a thrust cam gear is formed as well as the improvement of plane parallelism the gripper pads to the swivel shaft. The present solution reduces the inertial forces, which is a pivoting bearing plate is another advantage. The invention is suitable for gripper pad adjustment for straight printing as well as for counterpressure grippers.
- FIG. 4 is a sheet-fed offset printing machine in Row construction shown. Between two double-sized impression cylinders 17, a double-sized turning drum 18 is arranged. Each printing cylinder 17 is a blanket cylinder in a known manner 19 and a plate cylinder 20 assigned.
- the turning drum 18 carries on one half a gripping device 21, which by a suction system 22, a first gripper system 23 (counter pressure gripper) and a second gripper system 24 (fine-pressure gripper) is formed (Fig. 5).
- a height adjustable Gripper impact bar 4 of the second gripper system 24 closer are explained.
- the first gripper system 23 can be analog form.
- the pivot shaft 1 carries several in a uniform manner Spacer plates 2 in which a gripper shaft 16 is stored. Each holding plate 2 has an approximately radial Direction (based on the turning drum 18) axially parallel to Swivel shaft 1 aligned groove 3. The axis parallel to the turning drum 18 or to the swivel shaft 1 extending gripper bar 4 added in each groove 3. In the gripper bar 4 is in a groove 7 integrated the height adjustment.
- the height adjustment consists of a flat thrust cam mechanism, which in Fig. 1 and 3 formed from a fixed wedge 6 and a drawing strip 8 is and represents the actuator.
- the pull bar 8 represents the curve carrier and runs parallel to the gripper bar 4.
- Each cam joint is thus assigned by the wedge 6 and the Curve of the pull bar 8 formed.
- the gripper bar 4 is executed in two parts, such that a part with a connecting element 10, e.g. a screw with the holding plate 2 releasable connected is.
- a compression spring 9 arranged on the second part of the gripper bar 4 is included. The spring force turns on the positive movement is guaranteed in every curve joint.
- On the gripper bar 4 are several at defined intervals Gripper pads arranged the respective gripper of a row of grabs (not shown) are assigned to the gripper shaft 16.
- the threaded bolt 13 has one at its free end Handle 14, which is preferably designed as a knurled handle.
- the Screw gear is guided in a socket 15.
- Adjustment of the gripper bar 4 can be continuous or also take place in switching stages.
- the handle 14 of the threaded bolt 13 to the frame Threaded sleeve 26 rotated (relative movement in Screw joint). Since the threaded bolt 13 with the drawing strip 8 is coupled, the pull strip 8 is forward or in the axial direction moved back.
- the manual operation of the pull bar 8 can in a further training also performed by an actuator become.
Landscapes
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Rotary Presses (AREA)
Description
- Fig. 1 und 2
- die Vorrichtung im Schnitt mit einem Schubkurvengetriebe,
- Fig. 3
- die erfindungsgemäße Vorrichtung im Längsschnitt (Ausschnitt),
- Fig. 4
- die Anordnung der Wendetrommel in einer Offsetdruckmaschine und
- Fig. 5
- die Anordnung einer Greifereinrichtung in einer Hälfte einer Wendetrommel.
- 1
- Schwenkwelle
- 2
- Halteplatte
- 3
- Nut
- 4
- Greiferaufschlagleiste
- 5
- Greiferaufschlag
- 6
- Keil
- 7
- Nut
- 8
- Ziehleiste
- 9
- Feder
- 10
- Verbindungselement
- 11
- Stift
- 12
- Rolle
- 13
- Gewindebolzen
- 14
- Griff
- 15
- Buchse
- 16
- Greiferwelle
- 17
- Druckzylinder
- 18
- Wendetrommel
- 19
- Gummituchzylinder
- 20
- Plattenzylinder
- 21
- Greifeinrichtung
- 22
- Saugersystem
- 23
- erstes Greifersystem
- 24
- zweites Greifersystem
- 25
- Lagerbock
- 26
- Gewindehülse
Claims (4)
- Vorrichtung zur Verstellung von Greiferaufschlägen (5) für Bogengreifer in einer Wendetrommel einer Schön- und Widerdruckmaschine mit korrelativ zusammenwirkenden, an Greiferwellen (16) angeordneten Greifersystemen (23,24), wobei jedem Bogengreifer einer Greiferreihe ein Greiferaufschlag (5) zugeordnet ist und die Greiferaufschläge (5) mit Halteplatten (2) jeweils an einer Schwenkwelle (1) befestigt sind,
dadurch gekennzeichnet,
daß jede Halteplatte (2) eine achsparallel zur Schwenkwelle(1) fluchtende Nut (3) aufweist, in der eine die Greiferaufschläge (5) tragende Greiferaufschlagleiste (4) mit einer integrierten, in annähernd radialer Richtung wirkenden Stellvorrichtung (6,8 oder 12) angeordnet ist und daß die Stellvorrichtung (6,8 oder 12) mit einem an der Wendetrommel (18) leicht zugängig angebrachten Stellantrieb (13,14) gekoppelt ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Stellvorrichtung (6,8) ein Schubkurvengetriebe ist, welches durch mindestens einen Keil (6) und eine Ziehleiste (8) gebildet ist oder durch mindestens einen Keil (6) und eine zugeordnete in der Greiferaufschlagleiste (4) mittels Stift (11) geführten Rolle (12) gebildet ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß der Stellantrieb (13,14) durch ein Schraubengetriebe gebildet ist, welches manuell oder motorisch betätigbar ist. - Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
daß das Schraubengetriebe durch einen Gewindebolzen (13) und eine Gewindehülse (26) gebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9408714U DE9408714U1 (de) | 1994-05-27 | 1994-05-27 | Vorrichtung zur Verstellung der Greiferaufschlagleiste für Bogengreifer in einer Wendetrommel einer Schön- und Widerdruckmaschine |
DE9408714U | 1994-05-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0685337A2 EP0685337A2 (de) | 1995-12-06 |
EP0685337A3 EP0685337A3 (de) | 1996-12-27 |
EP0685337B1 true EP0685337B1 (de) | 2000-01-26 |
Family
ID=6909182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95105578A Expired - Lifetime EP0685337B1 (de) | 1994-05-27 | 1995-04-13 | Vorrichtung zur Verstellung der Greiferaufschlagleiste für Bogengreifer in einer Wendetrommel einer Schön- und Widerdruckmachine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0685337B1 (de) |
AT (1) | ATE189161T1 (de) |
DE (2) | DE9408714U1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19642104C2 (de) * | 1996-10-12 | 1998-09-10 | Roland Man Druckmasch | Anordnung zur dezentralen Einzelverstellung von Greiferaufschlagleisten in bogenführenden Trommeln bzw. Zylindern von Rotationsdruckmaschinen |
DE19739571B4 (de) * | 1996-12-17 | 2007-05-31 | Heidelberger Druckmaschinen Ag | Stellvorrichtung für eine Höhenverstellung von diametral gegenüberliegend angeordneten Greiferaufschlagleisten an bogenführenden Zylindern von Druckmaschinen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1208731A (en) * | 1916-04-06 | 1916-12-19 | Miehle Printing Press & Mfg | Adjustable gripper-pad. |
DE812431C (de) * | 1949-12-13 | 1951-08-30 | Johannisberg G M B H Maschf | Einstellbare Greiferunterlagen an Schwinganlagen von Bogendruckmaschinen |
DE1259904B (de) * | 1964-12-17 | 1968-02-01 | Roland Offsetmaschf | Vorrichtung an den Bogenfuehrungseinrichtungen einer Mehrfarben-Bogenrotationsdruckmaschine zum Beeinflussen der Passerhaltigkeit der Aufdrucke |
US4503772A (en) * | 1981-04-21 | 1985-03-12 | Komori Printing Machine Co., Ltd. | Gripper pad height adjusting device for sheet-fed rotary printing presses |
DE3447596A1 (de) * | 1984-12-28 | 1986-07-03 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Bogenuebertragungszylinder fuer bogenrotationsdruckmaschinen |
DE3508699A1 (de) * | 1985-03-12 | 1986-09-25 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Hoehenverstellbare greiferauflagen fuer wendetrommelgreifer in wendetrommeln von schoen- und widerdruckmaschinen |
DD253009A1 (de) * | 1986-09-30 | 1988-01-06 | Polygraph Leipzig | Bogengreifereinrichtung |
JPH0641201B2 (ja) * | 1987-12-07 | 1994-06-01 | 株式会社篠原鉄工所 | 枚葉式印刷機の爪座高さ調整装置 |
-
1994
- 1994-05-27 DE DE9408714U patent/DE9408714U1/de not_active Expired - Lifetime
-
1995
- 1995-04-13 DE DE59507678T patent/DE59507678D1/de not_active Expired - Fee Related
- 1995-04-13 AT AT95105578T patent/ATE189161T1/de not_active IP Right Cessation
- 1995-04-13 EP EP95105578A patent/EP0685337B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE9408714U1 (de) | 1994-07-21 |
EP0685337A3 (de) | 1996-12-27 |
EP0685337A2 (de) | 1995-12-06 |
DE59507678D1 (de) | 2000-03-02 |
ATE189161T1 (de) | 2000-02-15 |
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