EP1462253A2 - Dispositif d'embrayage ou de palier pour un cylindre remplacable d'une machine à lacquer ou à imprimer - Google Patents

Dispositif d'embrayage ou de palier pour un cylindre remplacable d'une machine à lacquer ou à imprimer Download PDF

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Publication number
EP1462253A2
EP1462253A2 EP04007167A EP04007167A EP1462253A2 EP 1462253 A2 EP1462253 A2 EP 1462253A2 EP 04007167 A EP04007167 A EP 04007167A EP 04007167 A EP04007167 A EP 04007167A EP 1462253 A2 EP1462253 A2 EP 1462253A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
bearing
axially
screw
painting
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
EP04007167A
Other languages
German (de)
English (en)
Other versions
EP1462253A3 (fr
EP1462253B1 (fr
Inventor
Stephan Dipl.-Ing. Gericke
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.)
KBA Metalprint GmbH and Co KG
Original Assignee
LTG Mailander GmbH
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 LTG Mailander GmbH filed Critical LTG Mailander GmbH
Publication of EP1462253A2 publication Critical patent/EP1462253A2/fr
Publication of EP1462253A3 publication Critical patent/EP1462253A3/fr
Application granted granted Critical
Publication of EP1462253B1 publication Critical patent/EP1462253B1/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/10—Constitutive elements of driving devices
    • B41P2213/25—Couplings; Clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/80—Means enabling or facilitating exchange of cylinders
    • B41P2213/804—Means enabling or facilitating exchange of cylinders radially

Definitions

  • the invention relates to a bearing and coupling device for a insertable or removable cylinder of a painting or Printing machine, with two, the two end regions of the cylinder assignable pivot bearings.
  • Such a bearing and coupling device is known. she will referred to as the so-called Hirth coupling.
  • the cylinder of the painting or Printing machine can be removed from the machine with the clutch released and exchanged for another cylinder, for example become.
  • the Hirth coupling has a central screw that coincides with the axis of rotation of the cylinder. Will the Screw loosened, so the cylinder can be removed from the painting or printing machine be removed. Requires in the known device a cylinder change extensive assembly work
  • the invention has for its object a bearing and coupling device to create the type mentioned above, by means of in a simple way a cylinder change on a painting or Printing machine can be carried out.
  • a pivot bearing for insertion or removal of the cylinder is arranged axially displaceable. Used for a change process the pivot bearing is axially displaced away from the cylinder, so the cylinder is released and can be removed from the machine become. A new cylinder is inserted radially into the machine and then coupled by axially moving the pivot bearing. This procedure is very simple and only requires that due to the axial displacement of the cylinders on both ends coupled and thus rotatably held in the working position
  • At least one of the rotary bearings is arranged in a holding device. To this extent, one is used for removing or inserting Cylinder an axial displacement of the holding device, whereby the associated pivot bearing is also axially displaced.
  • the axially displaceable pivot bearing for an axial displacement occurring coaxially on a rotation arranged the screw-holding device is.
  • a screw-holding device is to be understood as an arrangement which is also an axial displacement in the event of a rotary displacement carried out, i.e. the rotational displacement is decisive for this, that the axial displacement starts. Because the pivot bearing is coaxial the holding device and this axis is the axis of the Screw movement corresponds to the rotational movement of the holding device the pivot bearing is axially displaced. That way a cylinder can be coupled or uncoupled. In the Rotation doesn't have to be a full turn, depending on the steepness of the screw formation sufficient if an angular rotation of, for example, ⁇ 120 °.
  • One of the rotary bearings is preferably axially displaceable and the other the pivot bearing is axially fixed.
  • This configuration requires only a small construction effort, since that a pivot bearing as axial fixed bearing can be formed. This means that at a cylinder insertion process against one end of the cylinder a corresponding element of the pivot bearing and performed a clutch is realized. The other pivot - or a corresponding one assigned to this pivot bearing Element- is then axially displaced and thereby couples the cylinder on its associated other face.
  • axially displaceable rotary bearings in the screw-holding device forming screw-holding sleeve is added.
  • rotating the Sleeve around the for the cylinder in the painting or printing machine provided axis of rotation shifts the holding sleeve axially, so that also the rotary bearing accommodated in it is axially displaced by one To enable or disengage a cylinder.
  • stub shafts in the pivot bearings or correspondingly store other elements with which the cylinder is axially connectable are the pivot bearings always assigned, i.e. they remain in the pivot bearings, even if the cylinder is removed.
  • the cylinder has corresponding shaft ends, which can be axially coupled to the shaft ends.
  • the stub shaft is one of the rotary bearings is axially immovable and the stub shaft of other pivot bearing relative to this a certain axial displacement allows, but not the coupling process of the cylinder serves, but the bearing preload. This is discussed below discussed in more detail.
  • the coupling between the stub shaft and cylinder is preferably carried out by means of spur gearing. This ensures that everyone both shaft ends centered on the axis of rotation of the cylinder engaged. Basically, it is sufficient if the Front teeth only one tooth on one element and one groove has in the other element and that in the coupling of the Tooth enters the groove However, there are preferably several teeth provided with corresponding tooth receiving grooves that over the Circumference are arranged so that automatic centering the parts to be coupled takes place during the coupling process
  • the screw-holding device is in particular by means of a curve guide on the machine frame of the painting or printing machine held.
  • the screw coupling of the Cylinder i.e. an axial movement is brought about by around the clutch or end clutch of the cylinder to be able to make.
  • the curve is preferred designed as a slot pin guide or as a slot roller guide.
  • several curve guides can be angularly offset be provided to each other so that a force transmission of the Screwing movement is effected at several points on the circumference A "tilting movement" or a “tilting" of the screw-holding device this prevents during coupling.
  • One of the rotary bearings is preferably axially preloaded. This leads to for eliminating the bearing play and therefore for high running precision.
  • the holding device of the axially displaceable rotary bearing kept free of play by radial clamping means. Therefore also in radial direction to the rotational movement freedom from play by the aforementioned Measure reached to a quiet and precise running behavior to create.
  • the radial clamping means are preferably from a radial clamping sleeve educated. This clamping sleeve is aligned coaxially with the axis of rotation of the pivot bearing. It is preferably radially elastically deformable in this way and how to create freedom of play.
  • the deformability will generated in particular by means of a printing medium, i.e. that is Pressure medium introduced with a correspondingly high pressure, so deformed the radial clamping means due to its elasticity in radial Direction and eliminates any game, i.e. that Corresponding pivot bearing is free of play in the radial direction with the Machine frame of the painting or printing machine connected.
  • Pressure medium can in particular be a pressure gas or a pressure liquid be used.
  • the cylinder mentioned is preferably a painting cylinder a painting machine.
  • the side wall 1 shows two side walls 1 and 2 of a not shown Painting machine 3.
  • the side wall 1 is a pivot bearing 4 and the side wall 2 a pivot bearing 5 for a replaceable Cylinder 6 of the painting machine 3 assigned.
  • the cylinder 6 is as Paint cylinder 7 formed and shown only shortened in Figure 1 (Break lines 8). It has an axis of rotation 9 and on its two End regions 10, 11 shaft ends 12 and 13, the smaller diameter than the rest of the body of the cylinder 6 are formed.
  • the shaft ends 12 and 13 are each with end teeth 14, 15 provided, which is each designed coaxially to the axis of rotation 9.
  • the pivot bearing 5 is preferably axially preloaded by itself Inclined roller bearings with two bearing rings 16 and 17 designed such that a stub shaft 18 is rotatable about an axis of rotation 19 is stored. In the axial direction (x or -x) it is Rotary bearing 5 is fixed, i.e. the rotatable stub shaft 18 cannot be moved in the axial direction (x-direction)
  • the stub shaft 18 is equipped with a spur toothing 20 which with the Front toothing 15 of the painting cylinder 7 corresponds.
  • the pivot bearing 4 is designed as a double row cylindrical roller bearing 21, the one shaft stub 22 about an axis of rotation 23 on the the first side wall 1 of the painting machine 3.
  • the cylindrical roller bearing 21 is received in a holding device 24, which as Screw-holding device 25 is executed.
  • Screw-holding device 25 is executed.
  • a Rotate the screw-holding device 25 about the axis of rotation 23 a shift in the x direction, i.e. the screw-holding device 25 is rotatable about an axis of rotation 26 on the Side wall 1 mounted, the axis of rotation 26 with the axis of rotation 23 coincides.
  • the screw-holding device 25 there is an axial displacement in the x direction or -x direction.
  • the screw-holding device 25 is in the illustrated embodiment 1 to 6 configured as a screw-holding sleeve 27, the sleeve having a cover 28 at the end. So overall realized a pot shape. Takes place due to a rotating movement the screw-holding sleeve 27 a corresponding axial displacement, so becomes the cylindrical roller bearing 21 and thus also the stub shaft 22 can be taken axially.
  • the screw-holding sleeve 27 is supported in a radial clamping means 29, which is designed like a sleeve and is located in a pipe flange 30, which is attached to the side wall 1.
  • a radial clamping means 29 Between made of elastic Material existing radial clamping means 29 and pipe flange 30 is a sealed ring cavity 31 formed with a Pressure medium can be acted upon via a connection 32. He follows this action, the elastic radial clamping means 29 in its middle area towards the screw-holding sleeve 27 widened, the end zones of the radial clamping means 29 Support on the pipe flange 30. In this way, the Holding device 24 without play on the side wall 1 of the painting machine 3 held.
  • rollers 34 From the pipe flange 30 go three, offset by 120 ° to each other lying holding arms 33, the radially inward at their free ends wear directed rollers 34.
  • the axes of rotation of the rollers 34 are orthogonal to the axis of rotation 26, i.e. they run radially to this Axis of rotation 26.
  • the holding arms 33 are fixed to the pipe flange 30 connected.
  • the rollers 34 engage in slots 35 of the screw-holding sleeve 27 a.
  • Each slot 35 associated with each roller 34 is - as can be seen in particular from FIGS. 5 and 6 - with provided an incline so that a total of a curve 36 is formed, i.e.
  • Each slot 35 may have at least one slot end 37 that is slope-free is configured, i.e. it runs orthogonal to the axis of rotation 26.
  • the Lid 28 is provided in one piece with a lever extension 37 on which rotatably engages an actuating rod 38 that does not become one shown actuator leads.
  • the stub shaft 22 is provided with spur teeth 39, the in the working position of the painting cylinder 7 with the spur toothing 14 of the shaft end 12 combs. In this position the axis of rotation is aligned 9 of the cylinder 6 with the axis of rotation 23 of the shaft end 22nd
  • the stub shaft 22 has a smaller diameter section 41 and a subsequent further, in diameter still further reduced section 42, which rotates the cover 28 interspersed.
  • An end face 43 of a portion 44 of the stub shaft 22 is provided with a bearing 45 on which a Ring 46 is axially supported.
  • On the opposite of the camp 45 Side of the ring 45 engages a helical compression spring 47 with a End, which is at the other end on the inside of the Lid 28 supports.
  • the helical compression spring 47 coils the Section 41 of the shaft end 22.
  • the shaft end 22 is over its axis of rotation 23 is rotatable without the ring 46 being carried along becomes.
  • Section 42 of the stub shaft 22 against axial securing 49 which pushed a pot 51 by means of a helical compression spring 50 (FIG. 2) becomes.
  • the helical compression spring 50 wraps around the section 42 of the shaft end 22.
  • the pot 51 is oriented such that its bottom wall 52 from section 42 of the shaft end 22 is reached and bears against the axial lock 49.
  • the pot wall 53 runs coaxially to the axis of rotation 23 and holds a radial one Distance to section 42, wherein in the space thus formed the helical compression spring 50 is in contact with one End on the inside of the bottom wall 52 and with the other End supported on an annular flange 54, which by means of a bearing 55 is rotatable about the axis of rotation 23 relative to the cover 28.
  • the End face 56 of the pot wall 53 of the pot 51 points in the from Figure 1 and 2 emerging position of the entire device a distance from the ring flange 54. This corresponds to the working position of the painting cylinder 7.
  • the painting cylinder 7 is in the working position, i.e. it is in the engaged position in the painting machine 3, being axially immovable, but rotatable about the Axis of rotation 9 is supported.
  • the axial immovability results from that - as mentioned - the pivot bearing 5 axially immovable in the x direction is trained.
  • the shaft end 22 is in the x direction pushed by the helical compression spring 47, the cylindrical roller bearing 21 allows axial movement of the shaft end 22.
  • the painting cylinder 7 is thus by means of the helical compression spring 47 - Eliminating the bearing play of the pivot bearings 4 and 5- between the end faces of the stub shafts 18 and 22 are pinched, thereby the spur gears 15 and 20 and 14 and 39 are engaged.
  • the aspect ratios are such that in this position as already mentioned above, the end face 56 of the pot 51 maintains a distance from the ring flange 54.
  • the Paint cylinder 7 takes helical compression spring 47 together with ring 46 not part. This also applies to the screw-holding sleeve 27, the radial clamping means 29 and the pipe flange 30.
  • Axial lock 49, pot 51, take helical compression spring 50 and ring flange 54 on the rotational movement of the shaft end 22 and thus the Painting cylinder 7 parts. Decoupling takes place through the bearing 55 from the fixed holding device 24.
  • Radial clamping means 29 ensures that the holding device 24 free of play is held on the machine frame of the painting machine 3.
  • the Radial clamping means 29 can ensure that not only the necessary Game between screw-holding sleeve 27 and bearing holder (Pipe flange 30) is compensated (the game mentioned is because of the Axial displacement necessary), but also beyond Bearing play in the cylindrical roller bearing 21 is eliminated by the outer of the cylindrical roller bearing 21 by the radial clamping means 29 acted screw holding sleeve 27 is compressed.
  • the Cylindrical roller bearing 21 is not preloaded by itself, so that the way described above eliminates a possible game becomes.
  • To design cylindrical roller bearings 21 in a backlash-free design means it is biased by itself. Should a removal of the Painting cylinder 7 take place, the print medium is turned off, i.e. the annular cavity 31 is no longer subjected to pressure medium, whereby the radial clamping means 29 shrinks radially outwards and the screw-holding sleeve 27 releases such that this can be moved axially and about the axis of rotation 32.
  • the Actuator not shown, the actuating rod 38 with entrainment of the lever extension 37 moves such that the Screw-holding sleeve 27 about the axis of rotation 26 by a certain amount Angle that is less than 120 ° rotates.
  • the screw-holding device 25 becomes the axial feed movement of the stub shaft 22 for engaging the painting cylinder 7 superimposed a rotary movement. This ensures that the opposite gears of the spur gears 15, 20 and 14, 39 (Hirth serrations) of the shaft ends 18, 22 and the shaft ends 12, 13 find. This prevents that the tooth tips of the gears meet exactly and stay in this position and do not engage properly It is correct if each tooth tip is on one side hits a tooth base on the other side.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Support Of The Bearing (AREA)
  • Rotary Presses (AREA)
  • Sliding-Contact Bearings (AREA)
EP20040007167 2003-03-25 2004-03-25 Dispositif d'embrayage ou de palier pour un cylindre remplacable d'une machine à lacquer ou à imprimer Expired - Lifetime EP1462253B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003114298 DE10314298A1 (de) 2003-03-25 2003-03-25 Lager- und Kupplungseinrichtung für einen einsetzbaren beziehungsweise entnehmbaren Zylinder einer Lackier- oder Druckmaschine
DE10314298 2003-03-25

Publications (3)

Publication Number Publication Date
EP1462253A2 true EP1462253A2 (fr) 2004-09-29
EP1462253A3 EP1462253A3 (fr) 2007-01-31
EP1462253B1 EP1462253B1 (fr) 2008-08-20

Family

ID=32798161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040007167 Expired - Lifetime EP1462253B1 (fr) 2003-03-25 2004-03-25 Dispositif d'embrayage ou de palier pour un cylindre remplacable d'une machine à lacquer ou à imprimer

Country Status (3)

Country Link
EP (1) EP1462253B1 (fr)
DE (2) DE10314298A1 (fr)
ES (1) ES2312874T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108423497A (zh) * 2017-02-14 2018-08-21 上海兰庆新材料技术股份有限公司 一种可切换收小卷和收大卷的收卷轴
CN109368320A (zh) * 2018-11-21 2019-02-22 深圳市怀特自动化设备有限公司 快速自锁装置及轴系
DE102021110602A1 (de) 2021-04-26 2022-10-27 Koenig & Bauer Ag Vorrichtung und Verfahren zur Entnahme eines Zylinders aus einer Auftragseinheit einer Druckmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB743377A (en) * 1953-09-28 1956-01-11 Druckmaschinenwerk Victoria Vv Improvements in rotary sheet-printing machines for letter press printing
US2986997A (en) * 1960-04-14 1961-06-06 Schmutz Mfg Company Inc Printing apparatus
DE3808622A1 (de) * 1988-03-15 1989-09-28 Siemens Ag Lageranordnung fuer eine andruckwalze einer druckeinrichtung
DE4436629C2 (de) * 1994-10-13 1998-08-13 Koenig & Bauer Albert Ag Lagerbuchse
US5894796A (en) * 1997-08-01 1999-04-20 Heidelberger Druckmaschinen Ag Printing unit for a web-fed rotary printing press
DE19740129C2 (de) * 1997-09-12 2003-08-14 Roland Man Druckmasch Rotationsdruckmaschine mit stirnseitig freilegbaren Zylindern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108423497A (zh) * 2017-02-14 2018-08-21 上海兰庆新材料技术股份有限公司 一种可切换收小卷和收大卷的收卷轴
CN109368320A (zh) * 2018-11-21 2019-02-22 深圳市怀特自动化设备有限公司 快速自锁装置及轴系
DE102021110602A1 (de) 2021-04-26 2022-10-27 Koenig & Bauer Ag Vorrichtung und Verfahren zur Entnahme eines Zylinders aus einer Auftragseinheit einer Druckmaschine

Also Published As

Publication number Publication date
EP1462253A3 (fr) 2007-01-31
DE10314298A1 (de) 2004-12-23
EP1462253B1 (fr) 2008-08-20
ES2312874T3 (es) 2009-03-01
DE502004007869D1 (de) 2008-10-02

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