EP0129637B1 - Vorrichtung zur betriebssicheren Umstellung von Schön- und Widerdruckmaschinen - Google Patents

Vorrichtung zur betriebssicheren Umstellung von Schön- und Widerdruckmaschinen Download PDF

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Publication number
EP0129637B1
EP0129637B1 EP84102209A EP84102209A EP0129637B1 EP 0129637 B1 EP0129637 B1 EP 0129637B1 EP 84102209 A EP84102209 A EP 84102209A EP 84102209 A EP84102209 A EP 84102209A EP 0129637 B1 EP0129637 B1 EP 0129637B1
Authority
EP
European Patent Office
Prior art keywords
clamping
change
over
locking
press
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
Application number
EP84102209A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0129637A2 (de
EP0129637A3 (en
Inventor
Josef Mathes
Paul Abendroth
Roland Höll
Wolfgang Seikel
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.)
Manroland AG
Original Assignee
MAN Roland 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6197608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0129637(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT84102209T priority Critical patent/ATE34339T1/de
Publication of EP0129637A2 publication Critical patent/EP0129637A2/de
Publication of EP0129637A3 publication Critical patent/EP0129637A3/de
Application granted granted Critical
Publication of EP0129637B1 publication Critical patent/EP0129637B1/de
Expired 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
    • B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means

Definitions

  • the invention relates to a device on a sheet-fed rotary printing press with a storage drum and a turning drum. to secure the changeover process from the setting for straight printing to fine and low pressure and vice versa by electrically securing the machine during the changeover on the reversing drum and the adjustment process on the storage drum.
  • the sheet In sheet-fed rotary printing presses with devices for turning the sheet, the sheet is transported in straight printing operation in the normal way via an intermediate drum, a storage drum and a turning drum between two printing units. If the sheet is to be printed on the front and back, the sheet transport must be changed. With the so-called trailing edge application, the sheet between the storage drum and the reversing drum must be transferred with the trailing edge.
  • the gripper mechanism on the reversing drum must be switched over so that the sheet is removed from the reversing grippers during transport, transferred to the straight-printing grippers and transferred from the register to the printing cylinder of the next printing unit.
  • the storage drum must also be moved so that the sheet is held by the grippers beyond the original transfer time in straight printing.
  • a known device according to DE-PS-2 620 392 has electromechanical means for securing a printing press when converting from straight printing to perfecting.
  • the turning drum is secured against turning when the storage drum is turned by a locking lever engaging in a locking pin on the drive wheel of the turning drum.
  • the adjustment of the gripper control, here the cam rollers, on the turning drum is secured in the respective end positions by a stop on limit switches.
  • the adjustment of the control cams of the storage drum is controlled simultaneously with the rotation of the storage drum itself via a toothed segment, the rotation of which is secured electromechanically and dependent on the gripper control.
  • the limit switches for sensing the position of the gripper controls on the turning and storage drum and for sensing the actuation of the actuating means or the anti-rotation device of the turning drum are connected in series in a logical AND link and interrupt the energy supply if the process is not coordinated.
  • a disadvantage of this device is the assignment of different mechanical means for sensing the respective setting position.
  • the toothed segment for adjusting the control cams on the storage drum must be expanded to form a complete cam disk in order to attach touch surfaces for the necessary limit switch.
  • Lever mechanisms are also required to secure the turning drum and the gripper control on the turning drum.
  • the main disadvantage is that access to the actuating means remains free for the changeover and cannot be prevented that actuating operations are carried out in an uncontrolled manner at an undesired time.
  • the invention is therefore based on the object of eliminating all uncertainty factors, even when changing over from a central location, and of improving the protection so that mechanical switching means become superfluous. Above all, mechanical switching and actuating means should no longer intervene in the drive in such a way that settings have to be made within the machine.
  • the object is achieved in that, to secure access to the changeover devices, depending on a basic position of the machine, electrical switching means are provided, that the changeover devices are assigned electrical switching means for monitoring their clamping, which block the machine run when the clamping on the storage and turning drum is incompletely actuated That to secure the setting of the gripper of the storage drum to the transfer position in the face-to-face position and the smoothing devices at the end of the sheet in the perfecting and counter-printing position, further electrical switching means are provided and the switching means are connected to one another in such a way that, after the changeover process has taken place, the machine run only depends on the locking of the clamping of the Gear train on the turning drum, a visual display of the correct and accurate setting of the storage and turning drum and the locking of access to the changeover devices is released.
  • Contactless proximity switches are provided as electrical switching means for querying the basic position of the turning drum, the fine pressure position of the storage drum, the counterpressure position of the smoothing devices for the turning drum and the clamping of the position of the smoothing devices.
  • the clamping of the gear train and the switching of the control devices of the turning drum are secured with limit switches and can be locked by magnets.
  • the changeover device can be closed by means of a flap, the machine running or any changeover processes being possible only if the flap lock permits this, i.e. if the flap is locked either in the open position or in the closed position.
  • the advantage of this device is that the changeover devices for the changeover of the sheet-fed rotary printing press from straight printing to face and reverse printing are not readily accessible. They are closed by a flap during machine operation, which flap is locked electromagnetically. So it cannot happen that the machine changeover is unauthorized during machine operation.
  • the arrangement of contactless proximity switches for querying the position of individual elements on the reversing drum and storage drum is also very advantageous. This means, for example, that no mechanical aids that intervene in the gearbox of the machine have to be used and central operation during the changeover is possible.
  • the protection of the changeover is completed by the fact that changeover elements can be locked by electromagnets.
  • Fig. 1 the individual switching means are shown in their assignment to the turning drum 1 and the storage drum 2.
  • the switching means are protected by a flap 3.
  • an electromagnet 4, for locking, and a limit switch 5, for checking the position, are provided on the flap 3.
  • a flag 6 is attached to the turning drum 1, which cooperates with a proximity switch 7 on the machine housing.
  • the proximity switch 7 indicates the basic position for the turning drum 1.
  • a central clamping screw 8 is provided on the turning drum 1 for separating the gear train. With the help of the clamping screw 8, a double gear can be decoupled from the turning drum 1, so that the gear train between the turning drum 1 and the storage drum 2 is separated.
  • the clamping screw 8 acts on a sprung clamping disc 9.
  • the clamping disc 9 is secured by a locking washer 10, in which the switching rod of an electromagnet 11 engages for locking.
  • a limit switch 12 queries its position.
  • the control cams on the turning drum 1 are switched over a shift lever 13 during the changeover.
  • the property 15 is fastened on the selector shaft 14.
  • the position of the property 15 is queried by a double limit switch 19.
  • a switching flag 20 is attached to the smoothing device 21 on the storage drum 2.
  • the switching flag 20 works together with a proximity switch 22, which is attached to the machine housing corresponding to the transfer position between the storage drum 2 and the reversing drum 1.
  • Fixed to the holder of a gripper shaft 23 is a further switching flag 24 on the storage drum 2, which cooperates with a proximity switch 25 on the machine housing.
  • the proximity switches 22 and 25 give in the Basic position of the machine, which is determined by the proximity switch 7 on the reversing drum, the transfer position of the storage drum 2 to the reversing drum 1 in the printing and printing mode for the selected format and generally in front printing.
  • an induction switch 26 is provided corresponding to the format scale 44 on the storage drum 2 for protection.
  • Fig. 2 the securing of the clamping screw 8 for the gear train separation is shown in more detail.
  • the clamping screw 8 acts on a spring washer 9 on spring assemblies, which cause the clamping of a double gear.
  • the clamping disk 9 is slightly moved axially. But this is only possible if the safety washer 10 is turned away from its securing position.
  • the locking washer 10 is provided with a locking plate 27 which is in the locking position at a short distance from the clamping washer 9. This position is only possible if the gear train is fully and correctly clamped, i.e. when the clamping disc 9 is pressed down far enough.
  • the cushioning and the securing by the securing plate 27 ensure that the gear train is always clamped with a constant clamping force.
  • a bore 28 is made, into which a locking pin 29 engages that of the electromagnet 11.
  • the locking pin 29 is mounted in a guide 30 for this purpose.
  • a switching curve 31, which cooperates with the limit switch 12, is attached to the circumference of the locking washer 10.
  • the limit switch 12 indicates in this way when the clamping of the double gear on the turning drum 1 is not secured.
  • the locking washer 10 can only be turned back into the locking position when the clamping of the gear train has been carried out completely and thus the locking washer 9 has been pressed down so far that the locking plate 27 can be pivoted away over it.
  • Fig. 3 the protection of the conversion of the control cams on the turning drum 1 is shown in more detail.
  • the hub 15 is pinned on the selector shaft 14, on which the resetting of the curve conversion acts.
  • Switch cams 16, 17, which cooperate with the double limit switch 19, are also arranged on the hub 15.
  • the limit switch 19 queries the respective operating position of the control cams on the turning drum 1.
  • the electromagnet 18 is also used, which can insert a locking pin 32 for locking the selector shaft 14 into a bore 33 in the machine housing.
  • the locking pin 32 is mounted in the guide 15 in the guide 34.
  • the position of the control shaft 14 in the operating position fine print and in the fine and reverse printing operating position can thus be locked via the electromagnet 18, the respective operating position being queried electrically via the double limit switch 19.
  • a clamping device 36 is rotatably mounted within the drum shaft 35 in the storage drum 2.
  • the clamping device 36 acts on clamping elements in the interior of the storage drum 2 and secures the smoothing device 21 against rotation relative to the drum shaft 35.
  • control bevels 37 are incorporated, which work together with spring bolts 38.
  • the spring bolts 38 are arranged in the drive wheel 39 of the storage drum 2 and carry the format scale 44 for setting the format on the storage drum 2.
  • the induction switch 26 is attached near the outer circumference of the format scale 44.
  • the spring bolts 38 are thus pressed out of the drive gear 39 and in this way raise the format scale 44 axially to the storage drum 2. This also changes the position of the circumference of the format scale 44 relative to the induction switch 26 and the induction switch 26 registers that the smoothing devices 21 are no longer clamped.
  • a key stop 40 can then be inserted with the aid of a two-position key and the two-position key then engages in the format adjustment 41.
  • the format indicator 42 on the format scale 44 shows the respective position of the smoothing devices 21 in the storage drum 2.
  • the smoothing device 21 on the drum shaft 35 is provided with a switching flag 20.
  • the proximity switch 22 is arranged on the machine housing corresponding to this switching flag 20. When the smoothing device 21 is set, the proximity switch 22 queries the position of the switching flag 20 and thus also indicates the position of the smoothing device 21.
  • the proximity switch 22 is mounted in relation to the upper position 43 on the machine housing in such a way that the later transfer position of the trailing edge of the sheet during perfecting can be derived from the basic position of the machine, which is indicated by the proximity switch 7 on the turning drum 1. In this way it is ensured that the smoothing device 21 as far as the sheet possible at the end and can hand it over when tightening the bow.
  • the changeover from the operating position for face printing to the operating position for face and reverse printing is as follows.
  • the machine To initiate the changeover, the machine must be switched off, locked and the brake released using a selector switch 47 (FIG. 6). Then the machine is turned to the basic position, which is determined by the proximity switch 7. In the basic position, an optical display 45 lights up in the push button box.
  • the electromagnet 4 on the flap 3 is switched on, so that the flap 3 can be opened.
  • the electromagnet 18 is switched on the handle 15, so that the lock is released.
  • the reversing drum 1 can thus also be switched over.
  • the limit switch 5 switches. The electromagnet 4 is switched off and the flap 3 can no longer be closed.
  • the limit switch 19 is actuated and locked, by switching on the electromagnet 18, the hub 15 on the machine housing.
  • the electromagnet 11 is switched for locking the locking washer 10 and releases it.
  • the locking washer 10 can thus be pivoted away.
  • the limit switch 12 is actuated and the machine is thereby blocked.
  • the clamping screw 8 can be loosened, whereby the gear train is separated.
  • the printing unit 1 can now be set to the desired format relative to the printing unit 11 on a pulley of the drive.
  • the display is shown on a scale of the turning drum 1.
  • the clamping screw 8 of the turning drum 1 is tightened again, whereby the gear train is connected again.
  • the locking washer 10 can be swiveled in again, whereby the clamping is secured.
  • This position is sensed by the limit switch 12 and the machine is released again.
  • the clamping is now released via the clamping device 36 with the aid of a two-position key.
  • the induction switch 26 switches due to the axial displacement of the format scale 44 and the machine run is blocked again.
  • the storage drum 2 is set to the desired format in accordance with the format pointer 42.
  • the format is fine-tuned using the proximity switch 22 and an optical display 46 in the push button box.
  • the proximity switch 22 acknowledges this by the fact that the optical display 46 lights up in the push button box. If both optical displays 45, 46 light up, the transfer position is set exactly. This also ensures that the counterpressure grippers do not strike the smoothing device 21 during the transfer.
  • the flap 3 can only be closed when both settings have been made exactly. Before that, the storage drum 2 is clamped again via the clamping device 36, so that the smoothing device 21 remains set in the selected format length. By moving the format scale 44 axially to the storage drum 2 again, the induction switch 26 switches and releases the machine again. This also turns on the electromagnet 4 and the flap 3 can now be closed.
  • the limit switch 5 responds again and acknowledges the new state by releasing the machine.
  • a gripper opening curve on the storage drum 2 must now be adjusted according to the format length via a handwheel and a position indicator. This function does not have to be secured, as here the sheet that was transported may be gripped too early or too late, i.e. in the end it may not be transported any further. However, there is no damage to the machine. In the event of a malfunction, the setting can easily be corrected afterwards.
  • the selector switch 47 again, the gear train separation via the electromagnet 11 is blocked, the flap 3 is secured with the electromagnet 4, the optical indicators 45, 46 in the push-button box go out and the machine run is finally released. Now only the smoothing device 21 has to be supplied with air according to its function and the machine is ready for operation.
  • FIG. 6 An operating position for the current path 48 of the power supply to the machine can be controlled from the selector switch 47 via the switching point A.
  • the current path 48 at the switching point A is interrupted and signals are sent to set the proximity switches 22, 25 to the desired operating state, to the magnet 4 for unlocking the cover 3 and to the magnet 18 for unlocking the curve switch on the turning drum 1.
  • switching points B, C These are only closed when the machine is in the basic position and the proximity switch 7 on the turning drum 1 indicates this. Then the optical display 45 lights up and the magnets 4, 18 mentioned attract. Switching point D is closed at the same time. The flap 3 can now be opened.
  • the limit switch 5 switches and interrupts the current path 48 at switching point E.
  • the double limit switch 19 When switching the curves on the turning drum 1, which is indeed unlocked, the double limit switch 19 is actuated. His signal. switches the magnet 11 to unlock the lock washer 10 at the clamp of the turning drum 1 and lets the magnet 18 fall off at the curve switch so that it is locked. Now the locking washer 10 can be turned away. The limit switch 12 is thus actuated and the current path 48 is interrupted at the switching point F. After setting the format, reclamping and turning back the locking washer 10, the limit switch 12 switches again and closes the switching point F. Then the storage drum 2 can be changed over. When the clamping device 36 is released, the induction switch 26 switches and opens the switching point G in the current path 48 and the switching point H in the control line of the magnet 4. The format setting of the smoothing devices 21 can then be carried out.
  • the proximity switch 22 shows on the display 45 when the exact setting has been reached.
  • Switching point 1 in one control line of magnet 4 is closed.
  • the proximity switch 25 switches again and the switching points G and H are closed again.
  • the control line of the magnet 4 with the switching points D, H and I is now switched through and the magnet 4 picks up.
  • the flap 3 can now close.
  • the selector switch 47 can be returned to the normal position.
  • the magnet 4 is activated and the flap 3 is locked.
  • the limit switch 5 simultaneously closes the switching point E in the current path 48.
  • the displays 45, 46 are deleted and the magnet 11 is released, so that the clamping of the turning drum 1 is locked. All switching points A, E, F, G in current path 48 are thus closed and machine operation is released.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Handling Of Cut Paper (AREA)
  • Rotary Presses (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Soil Working Implements (AREA)
EP84102209A 1983-04-28 1984-03-02 Vorrichtung zur betriebssicheren Umstellung von Schön- und Widerdruckmaschinen Expired EP0129637B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102209T ATE34339T1 (de) 1983-04-28 1984-03-02 Vorrichtung zur betriebssicheren umstellung von schoen- und widerdruckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3315445 1983-04-28
DE19833315445 DE3315445A1 (de) 1983-04-28 1983-04-28 Absicherung der umstellung

Publications (3)

Publication Number Publication Date
EP0129637A2 EP0129637A2 (de) 1985-01-02
EP0129637A3 EP0129637A3 (en) 1985-09-18
EP0129637B1 true EP0129637B1 (de) 1988-05-18

Family

ID=6197608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102209A Expired EP0129637B1 (de) 1983-04-28 1984-03-02 Vorrichtung zur betriebssicheren Umstellung von Schön- und Widerdruckmaschinen

Country Status (6)

Country Link
US (1) US4530283A (enrdf_load_stackoverflow)
EP (1) EP0129637B1 (enrdf_load_stackoverflow)
JP (1) JPS59209874A (enrdf_load_stackoverflow)
AT (1) ATE34339T1 (enrdf_load_stackoverflow)
BR (1) BR8401973A (enrdf_load_stackoverflow)
DE (1) DE3315445A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155561A3 (en) * 1984-03-23 1987-09-30 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for selectively printing on one side or perfecting in the collecting drum of an offset printing machine for sheets
EP0655329B2 (en) † 1993-11-08 2002-07-24 Komori Corporation Printing switching apparatus for sheet-fed rotary press with reversing mechanism

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD229076A1 (de) * 1984-09-05 1985-10-30 Polygraph Leipzig Verfahren und einrichtung zum automatischen betriebsartwechsel
DE3441963C2 (de) * 1984-11-16 1987-01-22 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Sicherheitseinrichtung an Bogenrotationsdruckmaschinen
DE3614734A1 (de) * 1986-04-30 1987-11-05 Heidelberger Druckmasch Ag Vorrichtung zum absichern einer rotationsdruckmaschine
JP3030582B2 (ja) * 1991-09-19 2000-04-10 株式会社小森コーポレーション 輪転印刷機の刷版交換装置
JP3160121B2 (ja) * 1992-07-15 2001-04-23 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 印刷機を通して枚葉紙を搬送する場合における、枚葉紙反転の実行・停止のため及びフォーマット調節のための方法及び装置
DE19503695C2 (de) * 1995-02-04 1997-02-27 Roland Man Druckmasch Absicherung für eine Druckmaschine
DE19956149A1 (de) * 1999-11-23 2001-06-07 Roland Man Druckmasch Farbwerk für eine Druckmaschine
US6684778B2 (en) * 2001-05-25 2004-02-03 Ryobi, Ltd. Printing press with a sheet-turning-over-mechanism
JP4658723B2 (ja) * 2005-07-14 2011-03-23 株式会社小森コーポレーション 印刷機またはコーティング機
US11557163B2 (en) 2006-08-16 2023-01-17 Isonas, Inc. System and method for integrating and adapting security control systems
US9589400B2 (en) * 2006-08-16 2017-03-07 Isonas, Inc. Security control and access system
US9153083B2 (en) 2010-07-09 2015-10-06 Isonas, Inc. System and method for integrating and adapting security control systems
WO2011130639A1 (en) 2010-04-15 2011-10-20 Entellus Medical, Inc. Method and apparatus for treating dilating the ethmoid infundibulum
DE102012218049B4 (de) 2011-10-14 2023-12-28 Koenig & Bauer Ag Vorrichtung zum Wenden und Fördern von Bogen in Druckmaschinen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2350827C3 (de) * 1973-10-10 1980-01-10 Maschinenfabrik Augsburg-Nuernberg Ag, 8900 Augsburg Sicherheitsschalter an einer Schutzabdeckung für bewegte Teile einer Arbeitsmaschine
US4122773A (en) * 1974-04-24 1978-10-31 Heidelberger Druckmaschinen Ag Change-over means for a storage drum for sheet transferral
DE2460503C3 (de) * 1974-12-20 1979-05-03 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Umstell- und Einstellvorrichtung einer Übergabetrommel zur Bogenüberführung
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.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155561A3 (en) * 1984-03-23 1987-09-30 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for selectively printing on one side or perfecting in the collecting drum of an offset printing machine for sheets
EP0655329B2 (en) † 1993-11-08 2002-07-24 Komori Corporation Printing switching apparatus for sheet-fed rotary press with reversing mechanism

Also Published As

Publication number Publication date
JPH0361589B2 (enrdf_load_stackoverflow) 1991-09-20
EP0129637A2 (de) 1985-01-02
DE3315445C2 (enrdf_load_stackoverflow) 1987-08-06
ATE34339T1 (de) 1988-06-15
EP0129637A3 (en) 1985-09-18
DE3315445A1 (de) 1984-10-31
US4530283A (en) 1985-07-23
JPS59209874A (ja) 1984-11-28
BR8401973A (pt) 1984-12-04

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