EP1819515A1 - Greifersystem für einen bogen führenden zylinder einer bogendruckmaschine - Google Patents
Greifersystem für einen bogen führenden zylinder einer bogendruckmaschineInfo
- Publication number
- EP1819515A1 EP1819515A1 EP05803490A EP05803490A EP1819515A1 EP 1819515 A1 EP1819515 A1 EP 1819515A1 EP 05803490 A EP05803490 A EP 05803490A EP 05803490 A EP05803490 A EP 05803490A EP 1819515 A1 EP1819515 A1 EP 1819515A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gripper
- cylinder
- sheet
- gripper system
- curve
- 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
- 238000007639 printing Methods 0.000 title abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000007654 immersion Methods 0.000 claims description 11
- 230000010363 phase shift Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
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
- B41F21/104—Gripper details
-
- 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
Definitions
- the invention relates to a gripper system for a sheet-leading cylinder of a sheet-fed press according to the preamble of patent claim 1.
- DE 3049 067 C2 describes a gripping device on the sheet-guiding cylinder of a sheet-fed rotary gravure printing press for detecting the printed sheets.
- the gripping device is rotated by means of a pivoting device about a Zy ⁇ linderrise arranged fulcrum and is thereby einschwenkbar in the Zylin ⁇ derkanal of the cylinder leading cylinder that the grippers are after pivoting in full within the contour of the bow ruled ⁇ ing cylinder ,
- a cam roller is provided outside of the cylinder end faces, which forces the gripper device against the force ei ⁇ ner spring depending on the position of the cylinder in a submerged position on a ge stop fixed cam.
- the immersion movement is determined by the shape of the cam and by guides formed in the cylinder channel.
- the gripper gene leading cylinder For example, relative displacements occurring in printing units between plate cylinder and blanket cylinder or between printing cylinder and transfer cylinder, as well as between the forme cylinder and transfer cylinder, can also be considered A phase shift between the work organs can occur, for example, in the event of a power failure. It is an object of the invention to provide a gripper system for a sheet leading Zylin ⁇ a sheetfed press available, which almost avoids damage at loss of synchrony.
- the invention achieves this object by providing a gripper system for a cylinder leading the sheet of a sheet-fed printing press having the features of patent claim 1.
- a gripper system for a sheet-guiding cylinder of a sheet-fed printing press is designed to be radially displaceable in a cylinder phase shift, so that grippers of the gripper system enter an immersion recess and strike a spring-mounted gripper bar, which allows the gripper to dip during the radial displacement of the gripper system , Since the spring-mounted gripper bar dips, a gripper shaft can be pressed with the grippers in an advantageous manner under the periphery of the sheet leading cylinder and thus be brought out of the collision zone. As a result, losses in the case of a loss of synchronicity between the cylinders are advantageously avoided in a printing press with separately driven cylinders. The assignment between the work organs can be lost, for example, in the event of a power failure.
- the resilient position of the gripper loading bar is implemented, for example, by guide pins and pressure springs.
- the gripper system according to the invention comprises ait ⁇ Lich attached to a blanket cylinder curve whose radius protrudes into the sheet tier ⁇ ing cylinder, the curve is recessed in the gripper.
- the recess makes it possible to use the grippers according to their intended purpose in a synchronized normal operation, since the grippers in the region of the recess can protrude beyond the contour of the sheet-guiding cylinder for detecting the printed sheets. If there is a phase shift between the cylinders, the curve shape causes the gripper system to be displaced radially and the grippers to be brought out of the collision zone.
- the Grei ⁇ feraufschlagmann on a counter-curve which protrudes in the region of the gripper on the radius of the cylinder leading cylinder and cooperates with the curve of koope ⁇ ing cylinder, such as a rubber cylinder so that the gripper bar at a Phase shift dips.
- the Grei ⁇ ferwelle on a roller lever which dips in a synchronized normal operation in a recess on the curve of the cooperating cylinder, for example a rubber cylinder, and in a phase shift between the blanket cylinder and the sheet leading cylinder the curve causes dipping of the gripper bar and subsequent dipping of the grippers into the immersion recess.
- the described components of the gripper system according to the invention are designed and arranged so that a synchronized normal operation of the Druck ⁇ machine is possible and in case of loss of synchrony by a ming game of the individual components a descent of the gripper is effected to avoid collisions and damage.
- the cylinders of the gripper system are preferably designed to be individually driven by electric drives.
- FIG. 1 shows a schematic section of a printing unit of a sheet-fed rotary printing press for the representation of the components essential to the invention
- Fig. 2 is a schematic detail view of a printing cylinder of FIG. 1 during a synchronized normal operation
- Fig. 3 is a schematic detail view of the printing cylinder of Fig. 1 during a cylinder phase shift.
- a sheet-fed printing press 1 comprises components as a erfindungs ⁇ essential components a rubber cylinder 2 with a curve 4 and a pressure cylinder 3 with a gripper system 100, which comprises a gripper bar 10, a gripper shaft 9 and arranged on the gripper shaft 9 gripper 8 ,
- the blanket cylinder 2 interacts with a plate cylinder 7 and the impression cylinder 3 is toothed with a transferter 6.
- the radius of the laterally attached to the blanket cylinder 2 curve 4 projects into the impression cylinder 3, wherein the curve 4 is recessed in the region of the gripper 8, whereby a synchronized Normalb sunny the printing machine is possible.
- a gripper system 100 for the pressure cylinder 3 for detecting pressure arch the gripper shaft 9, grippers 8 arranged on the gripper shaft 9, a spring-mounted gripper bar 10 and a spring holder Roller lever 11, which to radial displacement of the grippers 8 with the curve 4 of the blanket cylinder 2 and with the gripper shaft 9 cooperates.
- a depression on the curve 4 a proper use of the gripper 8 is possible in a synchronized normal operation, since the gripper 8 can protrude beyond the contour of the printing cylinder 3 for detecting the printed sheet when the roller lever 11 engages in the region of the recess of the curve 4 , This state of the gripper system 100 is shown in FIG.
- the grippers 8 can be pivoted into a cylinder channel of the printing cylinder 3 by means of a pivoting movement of the gripper shaft 9 in such a way that the grippers 8 are fully within the contour of the impression cylinder 3 after swiveling.
- the gripper system 100 is displaced radially so that the grippers 8 of the gripper system 100 dip into an immersion recess 14 and strike on a spring-mounted gripper bar 10, which during the radial displacement of the gripper system 100 is a tray 8 of the grippers 8 allows.
- the roller lever 11 is in a phase shift between the blanket cylinder 2 and the impression cylinder 3, which is caused for example by a power failure, not in the recess on the curve 4 but on the curve 4.
- the spring-loaded gripper loading strip 10 emerges and the roller lever 11 causes via the gripper shaft 9 a subsequent immersion of the gripper 8 in the immersion recess 14.
- the resilient mounting of the gripper loading strip 10 is implemented, for example, by guide pins 13 and compression springs 12.
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Threshing Machine Elements (AREA)
- Soil Working Implements (AREA)
- Earth Drilling (AREA)
- Discharge By Other Means (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202004018313U DE202004018313U1 (de) | 2004-11-26 | 2004-11-26 | Greifersystem für einen Druckzylinder einer Bogendruckmaschine |
| PCT/EP2005/012268 WO2006056345A1 (de) | 2004-11-26 | 2005-11-16 | Greifersystem für einen bogen führenden zylinder einer bogendruckmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1819515A1 true EP1819515A1 (de) | 2007-08-22 |
| EP1819515B1 EP1819515B1 (de) | 2008-08-20 |
Family
ID=34089547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05803490A Expired - Lifetime EP1819515B1 (de) | 2004-11-26 | 2005-11-16 | Greifersystem für einen bogen führenden zylinder einer bogendruckmaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080128982A1 (de) |
| EP (1) | EP1819515B1 (de) |
| JP (1) | JP2008521637A (de) |
| AT (1) | ATE405420T1 (de) |
| DE (2) | DE202004018313U1 (de) |
| WO (1) | WO2006056345A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007021858A (ja) | 2005-07-15 | 2007-02-01 | Komori Corp | 移動型インキユニットを備えた印刷機 |
| US7404357B2 (en) | 2005-08-31 | 2008-07-29 | Heidelberger Druckmaschinen Ag | Device for pressing on a flexible printing form when it is being pulled onto a form cylinder of an offset printing press |
| DE102007010481B4 (de) * | 2007-03-03 | 2018-12-20 | Koenig & Bauer Ag | Bogenrotationsdruckmaschine |
| DE102007015347A1 (de) | 2007-03-30 | 2008-10-02 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Verminderung von Schwingungen in bogenverarbeitenden Rotationsdruckmaschinen |
| US20140020583A1 (en) * | 2012-07-17 | 2014-01-23 | Avi Barazani | Adaptable impression drum |
| DE102016204221A1 (de) * | 2015-04-20 | 2016-10-20 | Heidelberger Druckmaschinen Ag | Druckwerk einer Bogendruckmaschine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3552745A (en) * | 1967-08-28 | 1971-01-05 | Adamovske Strojirny Np | Rotary transfer mechanism for printing machines |
| DE1611297A1 (de) * | 1967-11-25 | 1970-12-10 | Albert Schnellpressen | Greifersystem an einem Bogen-UEberfuehrzylinder einer Bogen-Tiefdruckrotationsmaschine |
| US3663014A (en) * | 1970-06-05 | 1972-05-16 | Control Data Corp | Retractable card gripper |
| DE3049067C2 (de) * | 1980-12-24 | 1982-12-16 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Greifeinrichtung am Druckzylinder für Bogenrotations-Tiefdruckmaschinen |
| DE10203059B4 (de) * | 2001-02-20 | 2014-12-04 | Heidelberger Druckmaschinen Ag | Vorrichtung mit einem ein Greifersystem aufweisenden Zylinder |
| JP2003103753A (ja) * | 2001-10-01 | 2003-04-09 | Shinohara Tekkosho:Kk | サテライト型印刷機 |
| DE20305829U1 (de) * | 2003-03-22 | 2003-06-26 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Greifereinrichtung für eine Bogenverarbeitungsmaschine |
| DE102004030142A1 (de) * | 2004-06-22 | 2006-01-19 | Heidelberger Druckmaschinen Ag | Verfahren zum sicheren Betrieb einer Druckmaschine und Druckmaschine zur Durchführung des Verfahrens |
-
2004
- 2004-11-26 DE DE202004018313U patent/DE202004018313U1/de not_active Expired - Lifetime
-
2005
- 2005-11-16 DE DE502005005147T patent/DE502005005147D1/de not_active Expired - Lifetime
- 2005-11-16 AT AT05803490T patent/ATE405420T1/de active
- 2005-11-16 JP JP2007541775A patent/JP2008521637A/ja active Pending
- 2005-11-16 EP EP05803490A patent/EP1819515B1/de not_active Expired - Lifetime
- 2005-11-16 WO PCT/EP2005/012268 patent/WO2006056345A1/de not_active Ceased
- 2005-11-16 US US11/791,597 patent/US20080128982A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006056345A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502005005147D1 (de) | 2008-10-02 |
| EP1819515B1 (de) | 2008-08-20 |
| JP2008521637A (ja) | 2008-06-26 |
| ATE405420T1 (de) | 2008-09-15 |
| US20080128982A1 (en) | 2008-06-05 |
| DE202004018313U1 (de) | 2005-01-20 |
| WO2006056345A1 (de) | 2006-06-01 |
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