EP0264838A2 - Dispositif de commande du rouleau encrier d'une machine à imprimer - Google Patents

Dispositif de commande du rouleau encrier d'une machine à imprimer Download PDF

Info

Publication number
EP0264838A2
EP0264838A2 EP87115123A EP87115123A EP0264838A2 EP 0264838 A2 EP0264838 A2 EP 0264838A2 EP 87115123 A EP87115123 A EP 87115123A EP 87115123 A EP87115123 A EP 87115123A EP 0264838 A2 EP0264838 A2 EP 0264838A2
Authority
EP
European Patent Office
Prior art keywords
drive
setting
spindle
adjusting
link
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
EP87115123A
Other languages
German (de)
English (en)
Other versions
EP0264838B1 (fr
EP0264838A3 (en
Inventor
Kurt Difflipp
Heinrich Ochs
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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT87115123T priority Critical patent/ATE67445T1/de
Publication of EP0264838A2 publication Critical patent/EP0264838A2/fr
Publication of EP0264838A3 publication Critical patent/EP0264838A3/de
Application granted granted Critical
Publication of EP0264838B1 publication Critical patent/EP0264838B1/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
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/10—Applications of feed or duct rollers
    • B41F31/12—Applications of feed or duct rollers adjustable for regulating supply

Definitions

  • the improvement relates to a switching drive for the ink fountain roller of a printing machine according to the preamble of claim 1.
  • a switching drive of this type is described in DE-PS 1 000 400.
  • Ink fountain rollers are provided in inking units on printing presses, which accomplish the ink transport from a ink reservoir. To regulate the amount of ink transferred, it is necessary to adjust the drive speed of the ink fountain roller.
  • the ink fountain roller is usually driven step by step, since only ink strips of small width are to be transferred from the ink fountain to the inking unit. Accordingly, an adjustment of the step size is basically necessary when regulating the speed of the ink fountain roller.
  • An adjustable link guide which is connected to an oscillating drive and is derived from the plate cylinder of the printing press, has emerged as the standard for drive transmission.
  • a device of the type mentioned above is described in DE-PS 1 000 400 as a switching drive for the ink fountain roller of a printing press.
  • a sliding block is attached to the drive pin of the freewheel lock.
  • the sliding block engages in a sliding block guide which is pivotally attached at one end in a slide which is adjustably mounted to the machine frame.
  • a second sliding block engages in the link guide, which is connected as a crank pin to a drive shaft derived from the machine drive.
  • An adjusting spindle connected to the machine frame is provided for adjusting the slide. By turning the adjusting spindle, the slide and thus the Swivel axis of the link guide moved relative to the sliding block on the freewheel lock.
  • a solution to this problem is proposed according to the characterizing part of claim 1.
  • a spindle-nut connection with a very large pitch is used for this.
  • the spindle-nut connection is provided with an incline corresponding to the maximum travel of the switching drive. This makes it possible to adjust the drive speed of the ink fountain roller from the minimum to the maximum step in just one revolution of the adjusting spindle.
  • the construction of the actuating gear is very simple in that only an actuating pin instead of a thread is necessary for the transmission of rotation.
  • the adjustment is further simplified in that a rotary handle is provided on the adjusting spindle, which can be adjusted in small steps using a locking device.
  • FIG. 1 the relationship of the switching drive with the actuator is shown.
  • An ink fountain roller 1 is assigned to an indicated lifting roller and a further first inking roller.
  • the ink fountain roller 1 is provided on its axis 2 with a freewheel 3.
  • the freewheel 3 has a drive pin 5 on a drive arm 4.
  • a sliding block 6 sits on the drive pin 5.
  • the sliding block 6 engages in the guidance of a sliding block 7.
  • the link 7 is pivotally mounted on a pivot axis 8.
  • the pivot axis 8 in turn sits on a bearing lever 9 which is pivotally attached to a bolt 10 in the machine frame.
  • An actuating gear 11 engages at the second end of the bearing lever 9.
  • the actuating gear 11 consists essentially of a spindle-nut connection and a lockable twist grip 12.
  • a drive rod 14 acts on the link 7. It is connected to a crank mechanism (not shown here) on the plate cylinder of the printing press.
  • a crank mechanism (not shown here) on the plate cylinder of the printing press.
  • an oscillating movement is generated on the drive rod 14, which transmits it to the link 7 via a drive pin 15.
  • the link 7 pivots about its pivot axis 8.
  • the oscillating movement is transmitted in the form of a pivoting movement of the link 7 to the freewheel 3 and thus to the ink fountain roller 1.
  • the relative position between the pivot axis 8 on the bearing lever 9 and the sliding block 6 on the drive pin 5 of the freewheel 3 is set via the actuating gear 11.
  • the bearing lever 9 is pivoted about the bolt 10 fixed to the frame, which changes the position of the pivot axis 8 relative to the ink fountain roller 1 and thus also relative to the drive pin 5 on the freewheel 3.
  • the adjustment can be adjusted from a coaxial position between the pivot axis 8 and the drive pin 5 to a maximum distance of the two elements at the other end of the link 7.
  • Fig. 1 the setting is shown in which the ink fountain roller 1 is moved with the maximum increment.
  • the drive pin 5 and the drive pin 15 coincide in the drawing.
  • the stroke of the drive rod 14 is transmitted in full length to the drive pin 5 and thus to the freewheel 3.
  • the ink fountain roller 1 thus stops when the drive is running via the drive rod 14.
  • a large number of settings are possible between the two end positions shown in FIGS. 1 and 2. It is determined by the fineness of the latching device 16 provided in the rotary handle 12.
  • the latching device 16 for example in the form of a ball latching device, specifies the step size for the adjustment of the adjusting spindle 13.
  • the actuator 11 is shown in detail.
  • the adjusting spindle 13 is provided with a helical circumferential adjusting groove 17.
  • the adjusting groove 17 has a rectangular cross section and runs around the adjusting spindle 13 in only one turn. This means that the slope of the adjusting groove 17 corresponds at the same time to the maximum adjusting range of the adjusting spindle 13.
  • a drive nut 18 sits on the adjusting spindle 13. It is provided with a pin 19 which engages in the bearing lever 9 and in turn carries the pivot axis 8 of the link 7.
  • a screw 20 is inserted into the drive nut 18 and is provided with a guide pin 21 at its front end. The guide pin 21 engages in the adjusting groove 17 on the adjusting spindle 13.
  • the drive nut 18 When the adjusting spindle 13 is rotated, the drive nut 18 thus moves in the direction of the axis of the adjusting spindle 13 and thus moves the bearing lever 9.
  • either the connection between the drive nut 18 and the bearing lever 9 must be transverse to the axis of the Adjusting spindle 13 must be movable or the adjusting spindle 13 must be pivotally fastened to a small extent in the machine frame.
  • the locking device 16 ensures that the adjusting spindle 13 is secured against rotation.
  • the drive rod 14 is connected to the link 7 via the drive pin 15.
  • the connection to the ink fountain roller 1 is established via the sliding block 6, the drive pin 5 and the freewheel 3 connected to it, but only indicated here.
  • the drive movement is transmitted from the drive rod 14 provided with a double arrow to the link 7, which pivots about the pivot axis 8 and, depending on the relative position between the pivot axis 8 and the drive pin 5, takes the link block 6 more or less far.
  • the relative position is determined by the position of the pivot axis 8 designated by a second double arrow.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP87115123A 1986-10-22 1987-10-16 Dispositif de commande du rouleau encrier d'une machine à imprimer Expired - Lifetime EP0264838B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87115123T ATE67445T1 (de) 1986-10-22 1987-10-16 Schaltantrieb fuer die farbkastenwalze einer druckmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8628071U DE8628071U1 (de) 1986-10-22 1986-10-22 Schaltantrieb für die Farbkastenwalze einer Druckmaschine
DE8628071U 1986-10-22

Publications (3)

Publication Number Publication Date
EP0264838A2 true EP0264838A2 (fr) 1988-04-27
EP0264838A3 EP0264838A3 (en) 1989-08-02
EP0264838B1 EP0264838B1 (fr) 1991-09-18

Family

ID=6799437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115123A Expired - Lifetime EP0264838B1 (fr) 1986-10-22 1987-10-16 Dispositif de commande du rouleau encrier d'une machine à imprimer

Country Status (5)

Country Link
US (1) US4841861A (fr)
EP (1) EP0264838B1 (fr)
JP (2) JPS63178049A (fr)
AT (1) ATE67445T1 (fr)
DE (2) DE8628071U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314426A1 (de) * 1993-05-03 1994-11-10 Roland Man Druckmasch Verfahren zur Farbmengeneinstellung bei Heberfarbwerken von Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen, sowie entsprechend ausgebildetes Heberfarbwerk

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4013237C1 (fr) * 1990-04-26 1991-07-11 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
ES2100592T3 (es) * 1993-05-03 1997-06-16 Roland Man Druckmasch Mecanismo de entintado por rodillo tomador y procedimiento para ajustar la cantidad de tinta de maquinas de impresion.
DE4411109C1 (de) * 1994-03-30 1995-09-14 Roland Man Druckmasch Verfahren zur Farbmengeneinstellung bei Heberfarbwerken von Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen, sowie entsprechend ausgebildetes Heberfarbwerk
DE19753944C2 (de) * 1997-12-05 2002-06-06 Roland Man Druckmasch Verfahren zum Steuern eines Heberfarbwerkes einer Druckmaschine
DE19815293A1 (de) * 1998-04-06 1999-10-07 Heidelberger Druckmasch Ag Druckmaschine und Verfahren zum Betrieb einer Druckmaschine
CN106183404B (zh) * 2016-08-21 2018-09-14 贵州西牛王印务有限公司 一种印刷机墨斗辊转动调节装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000400B (de) * 1954-04-14 1957-01-10 Roland Offsetmaschf Schaltantrieb fuer die Farbkastenwalze einer Druckmaschine
US3683805A (en) * 1970-07-23 1972-08-15 Harris Intertype Corp Liquid handling mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Hildebrand: "Feinmechanische Bauelemente" 1968, VEB VERLAG TECHNIK BERLIN, Berlin *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314426A1 (de) * 1993-05-03 1994-11-10 Roland Man Druckmasch Verfahren zur Farbmengeneinstellung bei Heberfarbwerken von Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen, sowie entsprechend ausgebildetes Heberfarbwerk

Also Published As

Publication number Publication date
JPS63178049A (ja) 1988-07-22
JPH0653146U (ja) 1994-07-19
US4841861A (en) 1989-06-27
EP0264838B1 (fr) 1991-09-18
DE8628071U1 (de) 1986-12-04
EP0264838A3 (en) 1989-08-02
DE3773111D1 (de) 1991-10-24
ATE67445T1 (de) 1991-10-15

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