EP0392205A2 - Machine rotative d'impression pour feuilles avec plusieurs unités pour impression en blanc et impression en blanc en retiration - Google Patents

Machine rotative d'impression pour feuilles avec plusieurs unités pour impression en blanc et impression en blanc en retiration Download PDF

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Publication number
EP0392205A2
EP0392205A2 EP90104860A EP90104860A EP0392205A2 EP 0392205 A2 EP0392205 A2 EP 0392205A2 EP 90104860 A EP90104860 A EP 90104860A EP 90104860 A EP90104860 A EP 90104860A EP 0392205 A2 EP0392205 A2 EP 0392205A2
Authority
EP
European Patent Office
Prior art keywords
gear
sheet
machine according
fed rotary
rotary printing
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
Application number
EP90104860A
Other languages
German (de)
English (en)
Other versions
EP0392205A3 (fr
EP0392205B1 (fr
Inventor
Willi Becker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0392205A2 publication Critical patent/EP0392205A2/fr
Publication of EP0392205A3 publication Critical patent/EP0392205A3/fr
Application granted granted Critical
Publication of EP0392205B1 publication Critical patent/EP0392205B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 sheet-fed rotary printing press with a plurality of printing units for straight printing and surface printing, in which a turning device with generic features is provided according to the preamble of patent claim 1.
  • the prior art for this invention results from DE-PS 26 20 392 and JP-Sho 63-53037.
  • the sheet that is fed through the printing units with the leading edge of the sheet in front of the printing is guided in the perfecting in the turning device with its leading edge past the tangent point between a storage drum and a subsequent turning drum, and as soon as the trailing edge of the sheet has reached the mentioned tangent point, it is used by the reversing grippers the turning drum detected.
  • the front edge of the sheet is released by the grippers of the storage drum, so that the sheet is now fed to the next printing unit with the rear edge of the sheet ahead.
  • To set up the machine from face to face it is necessary to adjust a whole range of individual functions.
  • a gear pair arranged in the chain of the drive gearwheels consisting of a fixed gearwheel on the turning drum and an adjusting gearwheel, is provided concentrically to the turning drum axis, both of which can be locked together by clamping, in order to continuously adjust an angle of rotation between the printing units in front of the turning device and to enable the printing units behind the turning device, with electrical protection only permitting machine operation if the clamping is correct.
  • the gripper changeover is carried out according to DE-PS 26 20 392 by an actuator which can be axially displaced in the turning drum and which, by means of an eccentric which can be rotated by hand with a tool, between two end positions, one of which is the gripper position in face printing and the other is the gripper position in fine and Back pressure corresponds, is movable.
  • the end positions are generally not electrically protected.
  • the change of gripper requires climbing the machine and removing and replacing a cover in a special operation.
  • JP-Sho 63-53037 discloses a control shaft for the gripper changeover, which is concentrically guided out of the shaft of the turning drum on the drive side and can be rotated here by an attachable tool, the rotation of which causes the gripper changeover.
  • the gripper is changed either by lifting the drive roller for the grippers of the gripper set for gripping the leading edge of the sheet from the drive curve controlling the gripper movement and lowering the drive roller for the grippers of the gripper set for detecting the trailing edge of the sheet to an associated control curve or vice versa or by moving the drive roller from one to another drive curve.
  • the invention has for its object to simplify, accelerate the changeover process on the turning device and, above all, to make it safer.
  • the invention solves this problem by training features according to the characterizing part of claim 1 in a sheet-fed rotary printing press with features according to the generic term.
  • a general idea of the invention is therefore to combine and switch the gripper changeover from reversing gripper controls from straight printing to reversing gripper controls for perfecting with the printing unit adjustment required for changing the operating mode from straight printing to perfecting. This eliminates the need for a special operation for changing the gripper. At the same time, the considerable advantage is achieved that the gripper changeover falls under the electrical protection of the printing unit adjustment. This considerably reduces set-up times, simplifies machine operation and increases the safety of machine operation.
  • a mechanical design is preferred, in which a transmission gear is either by means of a Gearing or by means of a lever transmission causes the relative movements of the adjusting gear relative to the fixed gear in a certain angle of rotation range on the selector shaft to convert the gripper control.
  • the claims 4 to 8 contain training features of an advantageous mechanical implementation of the inventive concept, in which on the front side of the turning drum, in particular on the front side of the turning drum pin on the drive side, a toothed segment is pivotally mounted about an axis parallel to the drum axis, the toothing of which in a Switching shaft arranged pinion engages, and which is pivoted by a driver link on the adjusting gear only in a predetermined angular range. It is thereby achieved that the adjusting gear can be rotated as desired beyond the angular range required for the gripper reversal in order to carry out the further printing unit adjustment in accordance with the format sizes to be processed.
  • claims 9 to 11 relate to a structural design in which the relative movement between the adjusting gear and the fixed gear is transmitted in a predetermined angular range by means of a lever gear to the selector shaft and is converted into rotary motion by the latter.
  • Claims 12 to 14 relate to advantageous design features for converting the rotary movement of the control shaft into axial movements of an actuator for gripper changeover.
  • claims 15 to 18 contain the combination of the features of the invention with electrical switching elements either for the gripper switch and / or for the electrical protection of the turning device.
  • the turning drum 1 is rotatably mounted both on the operating side (not shown) and on the drive side shown with drum pins 2 in the frame 4 of the machine.
  • the grippers, not shown in the drawing, are arranged in a pit 3 on the turning drum 1 which is open to the outside and has an axis-parallel configuration.
  • a fixed gear wheel 6 is connected to the end face of the bearing journal 2 by screws 5 and engages with its toothing in a gear wheel 7 of the drive chain of the gear wheels.
  • an adjusting gear 10 is mounted on a shoulder 9, which can be firmly clamped to the fixed gear 6 and the teeth of which mesh with another gear 11 in the drive chain of the gears.
  • the adjusting gear 10 and the fixed gear 6 are clamped, for example, by a clamping piece 12 which can be screwed against the fixed gear 6 with screws 13 and which presses with a collar edge 14 against the outer side surface of the adjusting gear 10. Since the clamping between the adjusting gear 10 and the fixed gear 6 is not the subject of the invention, only an example of the structural design of such a clamping is hereby given.
  • the movement of the grippers movably mounted in the pit 3 is controlled by a cam roller 16 via control levers and a bridge 15.
  • the cam roller lies in front printing against a drive curve 17 fastened to the frame 4 and in perfecting against a drive curve 18 also fastened to the frame.
  • the cam roller 16 can be converted from the drive curve 17 to the drive curve 18 and back.
  • an eccentric 19 is mounted in the reversing drum shaft 1, which engages with its eccentric pin 20 in a bearing on the bridge 15.
  • the eccentric 19 is rotated via an angular gear by the selector shaft 21, which is rotatably mounted in the turning drum shaft 1 eccentrically to its central longitudinal axis 8 and with its free end passes through the fixed gear 6 and the clamping piece 12.
  • the outward free end of the control shaft 21 is connected by a transmission gear to the adjusting gear 10, so that when changing the printing unit, in which the angle of rotation of the adjusting gear 10 relative to the fixed gear 6 is changed, the gripper control is simultaneously changed over the control shaft 21.
  • this transmission gear consists of a toothed segment 22, which is eccentric to the central longitudinal axis 8 on a drum-proof part, for example on the pressure piece 12, the fixed gear 6 or the like, around a pin 23 aligned parallel to the axis 8 is pivotable and engages with its toothing in the toothing of a pinion 24 fastened on the free end of the control shaft 21.
  • the toothed segment is designed as a double lever and carries on its arm opposite the toothing a driver pin 25 which interacts with a driver link 26 which is fastened to the adjusting gear 10 and has a groove which is delimited by walls of different heights.
  • the eccentric mounting of the control shaft 21 in the turning drum 1 ensures that the groove of the driving link 26 releases the driving pin 25 after a certain angle of rotation. Since the driver pin 25 when pivoting the Tooth segment 22 moves about the axis of the pin 23, it approaches the central longitudinal axis 8 on its path of movement, while the driver link 26 moves at the same distance from the central longitudinal axis. The lower limitation of the groove of the driving link releases the driving pin at a certain point. On the way back, the longer limitation of the groove ensures that the driver pin 25 is returned to the starting position.
  • a suitable choice of the gear ratio and the tooth circle distance of the toothed segment from the pivot axis of the pin 23 in relation to the distance of the driving pin 25 from the same axis ensures that when changing the printing unit in a predetermined angular range of the relative movement of the adjusting gear relative to the fixed gear there is a safe gripper changeover .
  • the driving link 26 attached to the adjusting gear 10 can also be adjustable in the circumferential direction of the adjusting gear.
  • the formation of the driving link 26 in a special component is advantageous, which is screwed to the adjusting gear 10. Since the parts of the transmission gear transmitting the relative movement between the adjusting gear and the fixed gear remain in frictional engagement, the gripper changeover can be secured simultaneously via the electrical securing of the clamping between the adjusting gear and the fixed gear.
  • the gripper changeover is carried out by stopping the cam roller 16, for example by holding it in an apex position of the drive curve, or by lifting the cam roller 16 off the associated drive curve 17, so that a pivoting movement is sufficient for the gripper changeover .
  • the switching shaft 21 is fixedly connected at its inner end to a lever 27 which is in a lateral recess 28 in the Turning drum 1 led out and cooperates with a component on the gripper bridge shaft in such a way that it supports the gripper shaft in the rest position of the gripper in the position shown.
  • the cam roller 16 is lifted from the drive cam 17 and held in an apex position by a rotary movement of the control shaft 21, so that the grippers remain in a rest position which does not impede machine operation.
  • This also allows a simplification of the transmission gear for the transmission of the relative movement of the adjusting gear 10 relative to the fixed gear 6.
  • a lever 29 is connected in a rotationally fixed manner to the free end of the selector shaft 21 and is biased by a spring 30 against a stop 31 on the adjusting gear 10.
  • Another stop 32 is arranged drum-tight. When adjusting the printing unit, the stop 31 moves with the adjusting gear 10 relative to the fixed gear 6 and other drum-proof parts.
  • the tensioning force of the spring 30 overcomes the torque required for the gripper changeover in the control shaft 21 and initially holds the lever 29 against the stop 31 until the lever 29 comes to rest against the stop 32. On this former part of the path, the gripper is changed over in the manner described. On the way there is an adaptation to smaller formats in particular.
  • the lever 29 is returned from the stop 31 to the starting position.
  • a compression spring or another spring element can also be provided.
  • the exemplary embodiment in FIGS. 5 and 6 also shows instead of a simple rigid lever Stops a lever transmission from an articulated toggle.
  • This toggle lever which is formed from two tabs 34 and 35 which are connected to one another in a joint 33, is fastened at one end in a rotationally fixed manner on the selector shaft 21 and at the other end in a rotatable manner on a bearing pin 36 on the adjusting gear 10.
  • a rotary movement is transmitted to the selector shaft 21, by means of which the gripper control is changed over the lever 27, so that the cam roller 16 is lifted off the drive cam 17.
  • Such a design can preferably be used if the movement component for gripper changeover is not limited.
  • the coupling of the printing unit adjustment to the gripper changeover takes place essentially by the same means that were described for FIGS. 1 and 2.
  • the selector shaft acts on a link control, by means of which, in contrast to the illustration in FIGS. 1, 3 and 5, the cam roller 16 is not implemented, but rather the drive cams 17 and 18 are axially displaced, so that they also interact alternately with the cam roller 16 .
  • the lever 27 described in the examples in FIGS. 3 and 5 on the inner end of the selector shaft 21 is hereafter equipped with a head piece 37 — advantageously with a rotatably mounted roller that forms the head piece — which engages in a link guide 38 with an axial offset.
  • This link guide 38 is arranged in an axially displaceable component 39 on which the drive curves 17 and 18 are formed.
  • the axial offset of the link guide 38 results from the illustration in FIG. 9.
  • Lever 27 is an axial displacement of component 39 according to the axial offset of the link guide.
  • the transmission gear from the components 22 to 26 is designed so that the lever 27 with the head piece 37 performs a predetermined pivoting (in the example shown, it is approximately 180 degrees) and is thus in the end positions of the gripper changeover in a recessed position within the recess 28 is located in the drum pin 2.
  • the link guide is provided at the ends with sections that run in a radial plane in order to enable the lever 27 with the head piece 37 to be immersed and immersed in the link guide without axial displacement of the component 39.
  • An axial displacement thus only takes place in the area of the oblique transition of the two parallel parts of the link guide, as can be clearly seen from the illustration in FIG. 9.
  • FIGS 10 to 13 show a constructive design form of the inventive concept, in which electrical switching elements are used.
  • the rocker arm 40 shown in Figure i0 is used to actuate an electrical switch. It is moved by a switching pin 42, which is guided in the adjusting gear 10 parallel to the central longitudinal axis 8 and is loaded by a spring 41 against the fixed gear 6. In the end positions of the Gripper switch engages this switching pin 42 with a tapered tip in recesses 43 on the side surface of the fixed gear 6. As soon as an adjustment of the angle of rotation of the adjusting gear 10 with respect to the fixed gear 6 takes place, the switching pin 42 is pressed out of the recess 43 assigned to an end position due to the conical configuration of its tip and moved axially against the rocker arm 40.
  • This can be used both for the switching of an electrical fuse, and can also be arranged in the circuit of an electrical adjusting device for the gripper changeover or other necessary changes. Since the rocker arm 40 is fixed in position, the duty cycle of the actuator can be determined by a predetermined width of the rocker arm. After the gripper changeover, the switching pin 42 can dip into a longer ring segment-shaped recess 43, so that the circuit is interrupted again.
  • the rocker arm 40 can also act on switching elements for hydraulically or pneumatically moved actuators, make the necessary changes or initiate such changes.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Discharge By Other Means (AREA)
EP90104860A 1989-04-08 1990-03-15 Machine rotative d'impression pour feuilles avec plusieurs unités pour impression en blanc et impression en blanc en retiration Expired - Lifetime EP0392205B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3911609A DE3911609A1 (de) 1989-04-08 1989-04-08 Bogenrotationsdruckmaschine mit mehreren druckwerken zum schoendruck und schoen- und widerdruck
DE3911609 1989-04-08

Publications (3)

Publication Number Publication Date
EP0392205A2 true EP0392205A2 (fr) 1990-10-17
EP0392205A3 EP0392205A3 (fr) 1991-04-24
EP0392205B1 EP0392205B1 (fr) 1993-07-28

Family

ID=6378282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90104860A Expired - Lifetime EP0392205B1 (fr) 1989-04-08 1990-03-15 Machine rotative d'impression pour feuilles avec plusieurs unités pour impression en blanc et impression en blanc en retiration

Country Status (8)

Country Link
US (1) US5076164A (fr)
EP (1) EP0392205B1 (fr)
JP (1) JP2554186B2 (fr)
CN (1) CN1021557C (fr)
AU (1) AU631852B2 (fr)
CA (1) CA2010495C (fr)
DE (2) DE3911609A1 (fr)
ES (1) ES2043150T3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4131273C1 (fr) * 1991-09-20 1992-12-10 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4223190C2 (de) * 1992-07-15 1995-12-07 Heidelberger Druckmasch Ag Vorrichtung zum An- und Abstellen der Bogenwendung bei der Förderung von Bogen durch eine Druckmaschine
US5335597A (en) * 1992-07-15 1994-08-09 Heidelberger Druckmaschinen Ag Method and device for starting and stopping a sheet turning operation and for format adjusting during sheet transport through a printing press
DE4322477C2 (de) * 1992-07-15 1995-12-21 Heidelberger Druckmasch Ag Verfahren und Einrichtung zum An- und Abstellen der Bogenwendung und zur Formateinstellung bei der Förderung von Bogen durch eine Druckmaschine
JP3074105B2 (ja) * 1993-05-13 2000-08-07 株式会社桜井グラフィックシステムズ 枚葉印刷機の枚葉紙反転機構
DE4401684C2 (de) * 1994-01-21 1998-04-09 Heidelberger Druckmasch Ag Verstelleinrichtung für eine Druckmaschine
JP4220581B2 (ja) * 1995-11-15 2009-02-04 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 印刷機における反転装置の二重歯車
JP3539908B2 (ja) * 2000-03-02 2004-07-07 リョービ株式会社 両面印刷可能な枚葉印刷機
DE10254113A1 (de) 2001-12-12 2003-06-18 Heidelberger Druckmasch Ag Vorrichtung zur Änderung des Betriebszustands einer Greifersteuereinrichtung in einer Bogenwendeeinrichtung einer bogenverarbeitenden Maschine
JP5140265B2 (ja) * 2005-11-21 2013-02-06 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 印刷機の回転可能に支承された胴にて作動プロセスを実施するための装置
US20070175344A1 (en) * 2006-02-01 2007-08-02 Innovative Motor Controls Quick disconnect motor mount
US7321212B2 (en) * 2006-02-01 2008-01-22 Innovative Motor Controls Inc. Restricted motion motor control with visual indication
JP4981363B2 (ja) * 2006-06-05 2012-07-18 株式会社小森コーポレーション 印刷状態自動切替装置および方法
DE102007040694B4 (de) 2006-09-20 2018-07-05 Heidelberger Druckmaschinen Ag Vorrichtung zur Umstellung der Betriebsart von Schön- auf Schön- und Widerdruck in einer Bogen verarbeitenden Maschine
US8253290B2 (en) * 2009-01-28 2012-08-28 Innovative Motor Controls, Inc. Electronic retrofit controller for hydraulically adjusted printing press
CN107160842B (zh) * 2017-07-10 2023-11-03 江苏海迪威液压有限公司 用于立式移印运转中的图案位置调整机构
CN111781333A (zh) * 2020-07-20 2020-10-16 长江水利委员会长江科学院 一种基于无级变速的节水型野外降雨系统及方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541473A1 (de) * 1984-12-10 1986-06-12 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Einrichtung zum betaetigen von schaltwellen in bogenfuehrungszylindern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604895C3 (de) * 1976-02-07 1978-11-16 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum Umstellen der Greiferbewegung bei einer Wendetrommel für Schön- und Widerdruckmaschinen
NL163466C (nl) * 1976-05-08 Heidelberger Druckmasch Ag Inrichting voor het beveiligen van een drukmachine voor schoon- en weerdruk bij het omschakelen van schoon- en weerdruk.
DD153864B1 (de) * 1980-11-05 1987-10-14 Roland Kuehn Einrichtung zum klemmen und loesen zweier zahnraeder
DE3611324A1 (de) * 1986-04-04 1987-10-08 Heidelberger Druckmasch Ag Vorrichtung zur verstellung der relativen drehlage zwischen einem zahnrad und einem mit diesem gleichachsig gelagerten zahnkranz
JPH0696285B2 (ja) * 1986-08-25 1994-11-30 株式会社小森コーポレーション 反転機構付枚葉印刷機の印刷切替装置
DE3814831C1 (fr) * 1988-05-02 1989-10-26 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
JP2827728B2 (ja) * 1992-08-03 1998-11-25 日本電気株式会社 半導体記憶装置およびその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541473A1 (de) * 1984-12-10 1986-06-12 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Einrichtung zum betaetigen von schaltwellen in bogenfuehrungszylindern

Also Published As

Publication number Publication date
JPH02286337A (ja) 1990-11-26
CN1021557C (zh) 1993-07-14
US5076164A (en) 1991-12-31
AU5005290A (en) 1990-10-11
JP2554186B2 (ja) 1996-11-13
EP0392205A3 (fr) 1991-04-24
DE59002062D1 (de) 1993-09-02
CA2010495A1 (fr) 1990-10-08
CN1046124A (zh) 1990-10-17
EP0392205B1 (fr) 1993-07-28
AU631852B2 (en) 1992-12-10
CA2010495C (fr) 1994-01-11
DE3911609C2 (fr) 1992-10-08
DE3911609A1 (de) 1990-10-11
ES2043150T3 (es) 1993-12-16

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