EP0480879B2 - Vorrichtung zur stufenlosen Verstellung der axialen Verreibungsbewegung von Reibwalzen - Google Patents

Vorrichtung zur stufenlosen Verstellung der axialen Verreibungsbewegung von Reibwalzen Download PDF

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Publication number
EP0480879B2
EP0480879B2 EP91810784A EP91810784A EP0480879B2 EP 0480879 B2 EP0480879 B2 EP 0480879B2 EP 91810784 A EP91810784 A EP 91810784A EP 91810784 A EP91810784 A EP 91810784A EP 0480879 B2 EP0480879 B2 EP 0480879B2
Authority
EP
European Patent Office
Prior art keywords
eccentric
axis
housing
rotation
rotatably
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
Application number
EP91810784A
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German (de)
English (en)
French (fr)
Other versions
EP0480879B1 (de
EP0480879A1 (de
Inventor
Andreas Miescher
Max Egger
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.)
Wifag Maschinenfabrik AG
Original Assignee
Wifag Maschinenfabrik AG
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Filing date
Publication date
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Application filed by Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP0480879A1 publication Critical patent/EP0480879A1/de
Publication of EP0480879B1 publication Critical patent/EP0480879B1/de
Application granted granted Critical
Publication of EP0480879B2 publication Critical patent/EP0480879B2/de
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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
    • B41F31/15—Devices for moving vibrator-rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/38—Means for axially reciprocating inking rollers

Definitions

  • the invention relates to a device on rotary printing presses for stepless adjustment the axial rubbing movement of friction rollers of inking and dampening units according to the generic term of claim 1.
  • Devices of this type are known.
  • the DE-PS shows 38 14 927 such a device in which an eccentric pin on a rotating body is slidably arranged.
  • the shift of the Eccentric pin is along a groove that perpendicular to the axis of rotation of the rotating body and runs through the center.
  • Slidable in the groove embedded is a sliding block, which by means of a Clamping screw connected to the eccentric pin is.
  • the clamping screw To adjust the distance of the Eccentric pin to the axis of rotation of the rotating body the clamping screw must be loosened, whereby the eccentric pin along the groove in the desired location can be moved. After that the clamping screw must be tightened again and thus is the eccentric pin with the rotating body again firmly connected.
  • Adjustment of the axial stroke of the friction rollers can be carried out, however, at least for each adjustment the drive of the rotating body from the machine drive uncouple to the rotary motion of the rotating body to stop. With the it is therefore not the aforementioned device possible during the production process Adjust the axial stroke of the friction rollers.
  • the adjustment the axial stroke of the friction roller therefore requires a complex intervention in the linear actuator. An automatic adjustment or an adjustment from outside the machine is at this facility not possible.
  • FIG. 25 Another device for adjusting the Axial strokes for the reciprocation of DE-OS 25 14 414 shows friction rollers.
  • Rotation body is a rocker arm pivoted, the one via an actuator from its zero position is deflectable.
  • a pivot pin is attached to the opposite end.
  • a lever is articulated on this pivot pin, which the movement on the lever as a back and forth Movement to the friction rollers transmits.
  • a generic adjustment device has become known from the manufacture and delivery of a COLORMAN N35 printing machine from MAN Roland Druckmaschinen AG in D-Augsburg in June 1976, in which an axially displaceable sleeve in conjunction with a sleeve rotatably arranged in the sleeve is used for the axial adjustment of friction rollers eccentric cam pin is used.
  • this construction enables the cam pin to rotate when the sleeve is axially displaced, it does not allow the worm wheel to be designed as an externally operable gear for adjusting an eccentric pin.
  • the object of the invention is now in creating a device with which it is possible the axial rubbing movement of friction rollers for inking and dampening units steplessly while the machine is running from To be able to adjust by hand or automatically, that the adjustable maximum stroke, which for automatic washing of the inking and dampening rollers is used, is larger than that largest stroke required for rubbing during of the production process, creating an efficient Washing the rollers when changing production is achievable.
  • the object is achieved by the in the labeling of the claim 1 specified characteristics. Training the invention emerge from the subclaims.
  • the adjustment of the eccentric pin by Twisting of the eccentric bolt is done advantageously Way via one with internal teeth and provided with helical teeth on the outside Sleeve coaxial on the rotating housing is rotatably mounted.
  • the twist of this sleeve with respect to the housing is done in a simple manner by shifting a helical gear having gear, the outside of the housing on one to the axis of rotation of the housing parallel axis is arranged.
  • This helical gear is over one with one on the toothing attached to the housing engages stationary gear, but non-rotatable connected, making the helical Gear with respect to the housing its rotational position does not change.
  • This helical gear Gear along the helical teeth the sleeve, the sleeve becomes relative to the housing twisted.
  • This twisting movement is via an im Housing arranged like a planet gear, another Transfer the gear to the eccentric bolt, whereby this is twisted.
  • This helical gear Gear is advantageously done with the help of a pneumatic actuable piston.
  • a final position of the Piston specified by a fixed stop is correct with the wash stroke position of the eccentric pin match.
  • the adjustment of the stroke done by moving the pneumatic actuable piston away from the maximum stroke position against an adjustable stop. That attack can be done manually or automatically in known Way to be adjusted.
  • Another advantageous embodiment of the invention consists of two eccentric bolts in the housing are arranged the same or different Distances from the axis of rotation of the Have housing.
  • an eccentric pin on both sides of the housing is available, one of which is a movement for axially going back and forth of two Friction rollers can be removed.
  • the axial The stroke movement of these two friction rollers is at different distances between the eccentric bolts from the axis of rotation of the housing because of the different Eccentricities of the eccentric pins different. So that the axial lifting movements the two distribution rollers are not in phase, are the two eccentric pins around each other 90 ° out of phase.
  • the invention is based on the Drawing described in more detail using a sample.
  • the rotating drivable Housing 3 is in supports 4 fixed to the machine frame or 5 rotatably supported by bearings 6 or 7.
  • This gear 8 meshes with a drive gear, not shown, which is driven by the machine drive is what the rotating drivable housing is rotated about the axis of rotation 9.
  • the rotatably drivable housing 3 is one enclosed coaxially arranged sleeve 10.
  • This Sleeve 10 is rotatably driven Housing 3 through a bearing 11 or bearing surface 12 rotatably mounted.
  • the sleeve 10 has on it Outside a helical toothing 13 and on her On the inside a degree toothing 14.
  • a recess 15 introduced what space for a planet gear 16 leaves.
  • the planet gear 16 is seated freely rotatable on an axis 17.
  • the axis 17 is parallel to the axis of rotation 9 firmly driven in rotation Housing 3 arranged.
  • the planet gear 16 is with the internally arranged degree toothing 14 of the sleeve 10 in engagement.
  • Axially parallel to the axis of rotation 9 is rotating drivable housing 3 an eccentric pin 18th rotatably mounted.
  • the eccentric pin axis 19 in order that of the eccentric pin 18 has from the axis of rotation 9 of the rotatably drivable housing 3 the distance a.
  • the eccentric pin 18 is on one Side with an axially parallel eccentric pin 20 equipped of the axis of rotation 19 of the eccentric bolt 18 has the distance a.
  • the eccentric pin 20 protrudes beyond the housing 3 Lid 21 out. He reaches into a sliding block 29, which in a known manner the rotating Movement of the eccentric pin 20 in the back and forth moving movement offset, the as rubbing movement the rubbing roller 30 is used.
  • the eccentric bolt 18 is on the side of the eccentric pin 20 provided with a conical slide bearing surface 22, which with a correspondingly shaped in the lid 21 Opening forms a storage 24.
  • the the eccentric pin 20 opposite end of the eccentric pin 18 is in a radial bearing 23 stored.
  • Between bearing 24 and radial bearing 23 is the eccentric pin 18 with a toothing 25 provided which with the planet gear 16 in Intervention stands.
  • the eccentric pin 18 is through a spring 26 which in an opening 27 of the Eccentric 18 is inserted and which itself on the cover 28, which is driven in rotation Seals housing 3 at its rear end, supports, pressed into the conical bearing 24.
  • the spring force and the cone angle of the Bearings 24 are coordinated so that the eccentric 18 probably to adjust the Verreibhubes is rotatable, but the load changes, by the back and forth movement of the Distribution roller arise, not on the toothing 25 and transferred to the planetary gear 16.
  • Both eccentric bolts 32 and 33 are on the outer ends with an eccentric pin 36 and 37 equipped in the manner described the corresponding friction rollers 38 and 39 in to move axially back and forth. Both Eccentric bolts 32 and 33 are on the eccentric pin side with conical plain bearing surfaces 40 or 41 to be seen in the corresponding openings the lid 42 or 43, which is rotating seal drivable housing 3 on both sides, be rotatably supported. Each of the eccentric bolts 32 and 33 each with an additional radial bearing 44 and 45 held. Both eccentric bolts 32 and 33 are at their adjacent ends with each a toothing 46 or 47 equipped, which are both engaged with the planetary gear 16. By turning the sleeve 10 two eccentric bolts 32 and 33 together the planet gear 16 rotates.
  • first eccentric bolt 32 In an opening of the first eccentric bolt 32 is a spring bolt 49 slidably inserted, which with a spring 50 against the face of the second eccentric bolt 33 is pressed.
  • This spring bolt 49 causes both the first eccentric pin 32 as well as the second eccentric 33 against the corresponding conical plain bearing surface 40 or 41 are pressed.
  • the spring force of spring 50 and the cone angle of the two plain bearing surfaces 40 and 41 are matched to one another in such a way that the eccentric bolts 32 and 33 probably for adjustment the rubbing stroke of the two friction rollers 38 or 39 can be rotated, but that the load changes, by the back and forth movement of the Friction rollers 38 and 39 arise, not on the Transfer teeth of the adjustment device will.
  • this has to be driven in rotation Housing 3 has a recess 15 in which the planet gear 16 is arranged.
  • the planet gear 16 is freely rotatable about the axis 17, which with the rotatably drivable housing 3 is firmly connected.
  • the sleeve 10 is rotatably mounted. Outside the sleeve 10 has helical teeth 13, while the internal spline 14 is in engagement with the planetary gear 16.
  • Either the rotatably drivable housing 3, such as the Sleeve 10 have a common axis of rotation 9 on.
  • the first eccentric bolt 32 is at a distance a rotatably supported by the axis of rotation 9 while the second eccentric 33 the distance b from the axis of rotation 9.
  • Both the gearing 46 of the first eccentric bolt 32 as well Teeth 47 of the second eccentric bolt 33 are in engagement with the planetary gear 16 and consequently point from the axis 17 of the planet gear 16 the same distance.
  • FIGS. 4 and 5 show in spatial representation, how the twisting of the sleeve 10 with respect to the rotatably drivable housing 3 is going on.
  • a helical spur gear 52 is arranged, which is in constant engagement with the gearing 31 of the rotatably drivable housing 3.
  • a helical adjustment wheel 53 which continuously in engagement with the helical teeth 13 of the Sleeve 10 is.
  • the adjusting wheel 53 is related to that Spur gear 52 on the schematically illustrated shaft 51 slidable, but maintains its rotational position opposite the spur gear 52. This will do so achieved that the adjusting wheel 53 via a sleeve 54 which is profiled in the longitudinal direction and which in an appropriately shaped opening 55 of the spur gear 52 can be inserted.
  • the rotatingly drivable housing 3 is the gear 8 from the machine drive in rotation transferred. That with the teeth 31 of the rotating drivable housing engaged Spur gear 52 and the adjusting wheel 53 are also set in rotation.
  • the adjusting wheel 53 transmits the rotational movement via the helical gearing 13 on the sleeve 10. Since toothing 31 and helical teeth 13 of the sleeve 10 on the one hand and the adjusting wheel 53 and the spur gear 52 on the other hand have the same effective diameter the rotatably drivable housing 3 and Sleeve 10 is still relative to each other. Now around the sleeve 10 with respect to the rotatably drivable housing 3 to be able to turn the adjusting wheel 53 in Longitudinal direction of the shaft shown schematically 51 moved.
  • Fig. 4 shows the adjusting wheel 53 in its left extended Position. In this position the Eccentric pin 36 from the axis of rotation 9 of the rotating drivable housing 3 its maximum Distance c. That means that on the friction roller transferred float is maximum and corresponds to the wash stroke.
  • Fig. 6 shows the adjusting device for moving of the adjusting wheel 53.
  • the adjusting wheel 53 with a sleeve 54 equipped, which on its surface in the longitudinal direction is profiled.
  • This sleeve 54 is in one accordingly designed opening 55 of the spur gear 52, which is stationary, insertable.
  • Either Spur gear 52 as well as adjusting wheel 53 are around Axis 51 rotatable.
  • the sleeve 54 is with a Piston rod 56 firmly connected.
  • the piston rod 56 forms with a piston 57 and a cylinder housing 58 a unit that functions as a Has pneumatic cylinder.
  • the piston rod 56 is in divided into two parts, which in a known manner are coupled together so that the Rotary movement of the spur gear 52 and the adjusting wheel 53 is not transferred to the piston 57, whereas the thrust movement of the piston 57 the sleeve 54 of the adjusting wheel 53 transmitted must become.
  • the left end position of the adjustment wheel 53 is through the fixed stop 59 of the piston 57 fixed. This location means that the back and forth Movement of the friction roller is maximum and corresponds to the wash stroke.
  • the friction rollers which is smaller than that Wash stroke, the piston 57 from the other Side acted upon by a pressure medium and moves against an adjustable stop 60.
  • the adjustable stop 60 is with a Provide thread 61 so that by twisting the position of the adjustable stop 60 be changed due to the thread 61 can. Twisting the adjustable stop 60 takes place via a toothed belt drive, not shown on the toothed belt pinion 62.
  • FIG. 7 shows the arrangement of the first eccentric bolt 32 and the second eccentric bolt 33 with respect to the axis of rotation 9 of the rotatably drivable Housing 3 shown schematically.
  • the axis of rotation 34 of the first eccentric bolt 32 points from the axis of rotation 9 the distance a.
  • the eccentric pin 36 has a distance a from the axis of rotation 34 of the eccentric bolt 32.
  • the axis of rotation is perpendicular to the distance a 35 of the second eccentric bolt 33 at a distance b arranged from the axis of rotation 9.
  • the the center of the eccentric pin has the same distance b 37 from the axis of rotation 35 of the second Eccentric bolt 33 on. So at zero it falls Center of the eccentric pin 37 with the axis of rotation 9 together.
  • When turning the eccentric bolt 33 moves the center of the eccentric pin 37 along the arc 64. At maximum Twist of the eccentric 33 has the Eccentric pin 37 from the axis of rotation 9 the distance d.
  • the right angle between the distance a of the eccentric bolt 32 and the distance b of the Eccentric 33 from the axis of rotation 9 was chosen so that the distribution stroke of two at the same time reciprocating friction rollers are not in phase runs.
  • Fig. 8 shows schematically the placement of a so rotatably driven housing 3 with the two eccentric pins 36 and 37 between two Rubbing rollers 38 and 39 of a printing press 65.
  • the color of the friction rollers 38 and 39 or the dampening solution via application rollers 66 and 67 transferred to the plate cylinder 68. From there the print image is transferred via the Blanket cylinder 69 on the not shown Print carrier.

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  • Transmission Devices (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP91810784A 1990-10-12 1991-10-08 Vorrichtung zur stufenlosen Verstellung der axialen Verreibungsbewegung von Reibwalzen Expired - Lifetime EP0480879B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4032470 1990-10-12
DE4032470A DE4032470A1 (de) 1990-10-12 1990-10-12 Vorrichtung zur stufenlosen verstellung der axialen verreibungsbewegung von reibwalzen

Publications (3)

Publication Number Publication Date
EP0480879A1 EP0480879A1 (de) 1992-04-15
EP0480879B1 EP0480879B1 (de) 1994-09-21
EP0480879B2 true EP0480879B2 (de) 1999-02-03

Family

ID=6416188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810784A Expired - Lifetime EP0480879B2 (de) 1990-10-12 1991-10-08 Vorrichtung zur stufenlosen Verstellung der axialen Verreibungsbewegung von Reibwalzen

Country Status (3)

Country Link
US (1) US5158019A (en, 2012)
EP (1) EP0480879B2 (en, 2012)
DE (2) DE4032470A1 (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140048C2 (de) * 1991-12-05 1995-09-21 Roland Man Druckmasch Farbwerk einer Druckmaschine, insbesondere Bogenoffsetdruckmaschine
DE19504426C2 (de) * 1995-02-10 2000-05-11 Heidelberger Druckmasch Ag Antrieb für Reibwalzen im Farbwerk von Rotationsdruckmaschinen
DE29503966U1 (de) * 1995-03-08 1995-06-14 MAN Roland Druckmaschinen AG, 63075 Offenbach Vorrichtung zur Verstellung des Verreibungseinsatzes
DE19736118C2 (de) 1997-08-20 2000-01-20 Koenig & Bauer Ag Kurbeltrieb
DE19756077A1 (de) * 1997-12-17 1999-06-24 Heidelberger Druckmasch Ag Verfahren zum Betrieb einer Rotationsdruckmaschine und Vorrichtung in einer Rotationsdruckmaschine
ATE490084T1 (de) * 2001-11-08 2010-12-15 Koenig & Bauer Ag Antrieb eines druckwerkes
DE202012004791U1 (de) * 2012-05-15 2012-07-03 Heidelberger Druckmaschinen Ag Reiberwalze mit separatem Antriebsmotor
CN120117449B (zh) * 2025-05-10 2025-08-01 太谷县祥鑫智能机械制造有限公司 一种用于再生聚乙烯材料生产的上料装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118373A (en) * 1964-01-21 mosemiller
DD65937A (en, 2012) *
DD45547A (en, 2012) *
US897152A (en) * 1906-11-14 1908-08-25 Max Rockstroh Attachment for printing-presses.
DE1227747B (de) * 1961-02-10 1966-10-27 Samuel M Langston Company Getriebe zur UEbertragung einer Drehbewegung in die hin- und hergehende Bewegung zweier Wellen in Achsrichtung mit veraenderlichem Hub, insbesondere zum Hin- und Herbewegen von Farbwalzen in Achsrichtung in einer Druckpresse
US3077159A (en) * 1961-02-10 1963-02-12 Samuel M Langston Co Variable stroke reciprocating mechanism
DE1761389A1 (de) * 1968-05-13 1971-06-03 Polygraph Leipzig Vorrichtung zum Verstellen des Reibzylinderhubes in Farbwerken von Rotationsdruckmaschinen
DE2514414C3 (de) * 1975-04-02 1979-11-08 Koenig & Bauer Ag, 8700 Wuerzburg Vorrichtung zum axialen Hin- und Herbewegen von Reibwalzen
DE8015906U1 (de) * 1980-06-14 1980-09-11 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum axialen hin- und herbewegen einer farbwerkswalze an rotationsdruckmaschinen
DD159837A3 (de) * 1981-04-29 1983-04-13 Hermann Doebler Vorrichtung zum verstellen des axialen changierhubes von reibwalzen
DE3814927C1 (en, 2012) * 1988-05-03 1989-12-14 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE3840871A1 (de) * 1988-12-03 1990-06-07 Heidelberger Druckmasch Ag Walze fuer ein farbwerk von druckmaschinen

Also Published As

Publication number Publication date
US5158019A (en) 1992-10-27
DE59103035D1 (de) 1994-10-27
DE4032470A1 (de) 1992-04-30
EP0480879B1 (de) 1994-09-21
DE4032470C2 (en, 2012) 1992-09-24
EP0480879A1 (de) 1992-04-15

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