EP1462253B1 - 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
EP1462253B1
EP1462253B1 EP20040007167 EP04007167A EP1462253B1 EP 1462253 B1 EP1462253 B1 EP 1462253B1 EP 20040007167 EP20040007167 EP 20040007167 EP 04007167 A EP04007167 A EP 04007167A EP 1462253 B1 EP1462253 B1 EP 1462253B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
bearing
axially
screw
holding device
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
EP20040007167
Other languages
German (de)
English (en)
Other versions
EP1462253A2 (fr
EP1462253A3 (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
KBA Metalprint GmbH and Co KG
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 KBA Metalprint GmbH and Co KG filed Critical KBA Metalprint GmbH and Co KG
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 an insertable or removable cylinder of a varnishing or printing machine, with two, the two end regions of the cylinder assignable rotary bearings, of which at least one for the insertion or removal of the cylinder is axially displaceable and arranged on a holding device ,
  • a known bearing and clutch device is referred to as a so-called Hirth clutch.
  • the cylinder of the painting or printing machine can be removed with the clutch released the machine and replaced, for example, against another cylinder.
  • the Hirth coupling has a central screw which coincides with the axis of rotation of the cylinder. When the screw is released, the cylinder can be removed from the paint or printing machine.
  • the known device requires a cylinder change extensive installation work.
  • a bearing and coupling device for a cylinder of a printing press is known in which by means of a crank mechanism, a bearing holder is displaced. During the displacement, the bearing holder performs an axial movement.
  • the invention has for its object to provide a bearing and coupling device of the type mentioned, by means of In a simple way, a cylinder change can be performed on a Lackier or printing press.
  • the axially displaceable pivot bearing for an axial rotation taking place by rotation coaxially to a holding device forming, at the same time an axial displacement performing screw-holding device is arranged at its rotary displacement. If the pivot bearing axially displaced away from the cylinder for a change process, the cylinder is released and can be removed from the machine who the. A new cylinder is inserted radially into the machine and then coupled by axial displacement of the pivot bearing. This procedure is very simple and requires only that coupled by the axial displacement of the cylinder at its two end faces and thus rotatably held in working position. At least one of the pivot bearing is arranged in a holding device.
  • one of the rotary bearing is axially displaceable and the other of the rotary bearing axially fixed.
  • This configuration requires only a small construction cost, since that a pivot bearing can be designed as an axial bearing.
  • a pivot bearing can be designed as an axial bearing.
  • the other pivot bearing - or a corresponding, associated with this pivot bearing element - is then displaced axially and thereby couples the cylinder on its associated other end face.
  • the axially displaceable pivot bearing is received in a screw-holding sleeve forming the screw-holding device.
  • the retaining sleeve moves axially, so that the rotary bearing accommodated in it is also displaced axially, in order to enable engagement or disengagement of a cylinder.
  • the stub shafts are always associated with the pivot bearings, that is, they remain in the pivot bearings even when the cylinder is removed.
  • the cylinder has corresponding shaft ends which are axially coupled with the stub shafts.
  • the stub shaft of one of the rotary bearing is arranged axially immovable and the stub shaft of the other pivot bearing allows relative to this a certain axial displacement, which does not serve the coupling operation of the cylinder, but the bearing preload. This will be discussed in more detail below.
  • the coupling between the stub shaft and cylinder preferably takes place by means of spur toothing.
  • spur toothing ensures that each of the two shaft stub axle-centered with the axis of rotation of the cylinder engages.
  • the spur toothing has only one tooth on one element and a groove in the other element and that in the coupling the tooth retracts into the groove.
  • a plurality of teeth are provided with corresponding tooth receiving grooves distributed over the circumference are so that an automatic centering of the parts to be coupled takes place during the coupling process
  • the screw-holding device is held in particular by means of a curve guide on the machine frame of the painting or printing machine.
  • This cam guide realizes the screw coupling of the cylinder, that is to say by rotational movement an axial movement is brought about in order to be able to make the coupling or end coupling of the cylinder.
  • the cam guide is preferably designed as a slot-pin guide or as a slot-roller guide.
  • a plurality of cam guides can be provided offset in angle to one another, so that a force introduction of the screwing movement is effected at several points of the circumference. A "tilting movement" or a “tilting" of the screw-holding device during coupling is thereby prevented.
  • One of the rotary bearings is preferably preloaded axially. This leads to the elimination of the bearing clearance and therefore to a high running precision.
  • the holding device of the axially displaceable pivot bearing is held free of play by radial clamping means. Consequently, in the radial direction to the rotational movement a backlash by said Measure achieved to create a smooth and precise running behavior.
  • the radial clamping means are preferably formed by a radial clamping sleeve.
  • This clamping sleeve is aligned coaxially to the axis of rotation of the pivot bearing. It is preferably radially elastically deformable in order to produce the freedom of play in this way.
  • the deformability is generated in particular by means of a pressure medium, ie, the pressure medium is introduced with a correspondingly high pressure, so deforms the radial clamping means due to its elasticity in the radial direction and eliminates any existing game, ie, the corresponding pivot bearing is in the radial direction backlash with the machine frame the paint or printing machine connected.
  • a pressure medium in particular a compressed gas or a pressure fluid can be used.
  • the mentioned cylinder is a painting cylinder of a painting machine.
  • FIG. 1 shows two side walls 1 and 2 of a painting machine 3, not shown.
  • the side wall 1 is a pivot bearing 4 and the side wall 2 a pivot bearing 5 assigned to a replaceable cylinder 6 of the painting machine 3.
  • the cylinder 6 is formed as a painting cylinder 7 and in FIG. 1 shown only shortened (fault lines 8). It has a rotation axis 9 and at its two end regions 10, 11 shaft ends 12 and 13, which are formed smaller diameter than the rest of the body of the cylinder 6.
  • the shaft ends 12 and 13 are each provided with an end toothing 14, 15, which is configured in each case coaxially to the axis of rotation 9.
  • the rotary bearing 5 is preferably designed as an axially biased oblique roller bearing with two bearing rings 16 and 17 such that a stub shaft 18 about an axis of rotation 19 rotatable is stored.
  • the pivot bearing 5 In the axial direction (x or -x), the pivot bearing 5 is fixed, ie, the rotatable stub shaft 18 is not displaceable in the axial direction (x-direction)
  • the stub shaft 18 is equipped with a spur gear 20, which is connected to the spur gear teeth 15 of the painting 7 corresponds.
  • the axis of rotation 9 and the axis of rotation 19 are aligned with each other, that is, at the in FIG.
  • the rotary bearing 4 is designed as a double-row cylindrical roller bearing 21, which supports a stub shaft 22 about a rotation axis 23 on the first side wall 1 of the painting machine 3.
  • the cylindrical roller bearing 21 is received in a holding device 24, which is designed as a screw-holding device 25.
  • a rotation of the screw-holding device 25 about the rotation axis 23 leads to a displacement in the x direction, ie, the screw-holding device 25 is rotatably mounted about an axis of rotation 26 on the side wall 1, wherein the axis of rotation 26 with the axis of rotation 23 coincides.
  • the screw-holding device 25 takes place an axial displacement in the x-direction or -x-direction.
  • the screw-holding device 25 is in the illustrated embodiment of FIGS. 1 to 6 designed as a screw-holding sleeve 27, wherein the sleeve end has a cover 28. Overall, therefore, a pot shape is realized. Is due to a rotational movement the screw-retaining sleeve 27 a corresponding axial displacement, the cylindrical roller bearing 21 and thus the stub shaft 22 will be taken axially.
  • the screw-holding sleeve 27 is mounted in a radial clamping means 29 which is sleeve-shaped and is located in a pipe flange 30 which is fixed to the side wall 1. Between elastic material consisting of radial clamping means 29 and pipe flange 30, a sealed annular cavity 31 is formed, which is acted upon by a pressure medium via a terminal 32. If this action, the elastic radial clamping means 29 is widened in its central region in the direction of the screw-holding sleeve 27, wherein the end zones of the radial clamping means 29 are supported on the pipe flange 30. In this way, the holding device 24 is held without play on the side wall 1 of the painting machine 3.
  • Each of each roller 34 associated slot 35 is -wie in particular the Figures 5 and 6 can be seen is provided with a slope, so that a total curve guide 36 is formed, ie, by a rotation of the screw-holding sleeve 27 about the axis of rotation 26 due to the cam guide 36, an axial displacement of the screw-holding sleeve 27 is initiated.
  • Each slot 35 may have at least one slot end 37 which is pitch-free is configured, that is, it is orthogonal to the axis of rotation 26.
  • the cover 28 is integrally provided with a lever extension 37 on which rotatably an actuating rod 38 engages, which leads to an actuator, not shown.
  • the stub shaft 22 is provided with a spur toothing 39, which meshes in the working position of the painting cylinder 7 with the spur gear teeth 14 of the shaft end 12. In this position, the axis of rotation 9 of the cylinder 6 is aligned with the axis of rotation 23 of the stub shaft 22nd
  • the stub shaft 22 has a smaller-diameter portion 41 and an adjoining further, in diameter even further reduced portion 42 which passes through the lid 28 rotatably.
  • 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 side of the bearing 45 of the ring 45 engages a helical compression spring 47 with one end, which is supported with its other end on the inside of the lid 28.
  • the helical compression spring 47 turns around the portion 41 of the stub shaft 22.
  • the stub shaft 22 is rotatable about its axis of rotation 23, without the ring 46 is taken.
  • a pot 51 In the region of the outer side 48 of the cover 28 is located on section 42 of the stub shaft 22 an axial securing 49, against which by means of a helical compression spring 50 (FIG. FIG. 2 ) a pot 51 is urged.
  • the helical compression spring 50 turns around the portion 42 of the stub shaft 22.
  • the pot 51 is oriented such that its bottom wall 52 is penetrated by the portion 42 of the stub shaft 22 and abuts against the axial securing 49.
  • the pot wall 53 extends coaxially to the axis of rotation 23 and holds a radial Distance to the section 42, wherein in the space thus formed, the helical compression spring 50 rests, which is supported at one end to the inside of the bottom wall 52 and at the other end to an annular flange 54 by means of a bearing 55 relative to the cover 28 to the Rotary axis 23 is rotatable.
  • the end face 56 of the pot wall 53 of the pot 51 has in the from FIG. 1 or 2 emergent position of the overall device at a distance from the annular flange 54. This corresponds to the working position of the painting cylinder. 7
  • FIG. 1 is the painting cylinder 7 in the working position, ie, it is in the engaged position in the painting machine 3, wherein it axially non-displaceable, but rotatably supported about the axis of rotation 9.
  • the axial immobility results from the fact-as mentioned-the pivot bearing 5 is formed axially immovable in the x direction.
  • the stub shaft 22 is urged in the x direction by means of the helical compression spring 47, wherein the cylindrical roller bearing 21 allows axial movement of the stub shaft 22.
  • the painting cylinder 7 is - clamped elimination of the bearing clearance of the pivot bearing 4 and 5 between the end faces of the stub shaft 18 and 22, whereby the spur gears 15 and 20 and 14 and 39 are engaged.
  • the aspect ratios are such that - as already mentioned above - the end face 56 of the pot 51 keeps a distance from the annular flange 54 in this position.
  • the helical compression spring 47 and ring 46 does not participate. This also applies to the screw-holding sleeve 27, the radial clamping means 29 and the pipe flange 30.
  • the radially biased in the working position of the painting cylinder 7 radial clamping means 29 ensures that the holding device 24 is held without play on the machine frame of the painting machine 3.
  • the radial clamping means 29 can ensure that not only the necessary clearance between the screw-holding sleeve 27 and bearing support (pipe flange 30) is compensated (the aforementioned game is necessary because of the axial displacement), but also also eliminates bearing clearance in the cylindrical roller bearing 21 by the brieflynng of the cylindrical roller bearing 21 is compressed by the acted upon by the radial clamping means 29 screw-holding sleeve 27.
  • the cylindrical roller bearing 21 is not biased by itself, so that in the manner described above, a possible clearance is eliminated.
  • the cylindrical roller bearing 21 in play-free design, that is, it is biased by itself. If now a removal of the painting cylinder 7 take place, the pressure medium is turned off, ie, the annular cavity 31 is no longer subjected to pressure medium, whereby the radial clamping means 29 recedes radially outward and the screw-holding sleeve 27 releases such that these axially and the Rotary axis 32 can be moved.
  • the actuator not shown, the adjusting rod 38 is moved with entrainment of the lever extension 37, such that the screw-holding sleeve 27 rotates about the axis of rotation 26 by a certain angle, which is smaller than 120 °.

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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)

Claims (18)

  1. Dispositif de palier et d'accouplement pour un cylindre (6) pouvant être mis en place et enlevé d'une vernisseuse ou machine d'impression, comportant deux paliers de rotation (4, 5) pouvant être associés aux deux zones d'extrémité (10, 11) du cylindre (6), dont au moins l'un est déplaçable axialement pour la mise en place et l'enlèvement du cylindre (6) et est disposé sur un dispositif de support (24), caractérisé en ce que le palier de rotation (4) déplaçable axialement est disposé, pour un déplacement axial s'effectuant par rotation, coaxialement à un dispositif de support fileté (25) formant le dispositif de support (24), exécutant lors de son déplacement rotatif simultanément un déplacement axial.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'un des paliers de rotation (4, 5) est déplaçable axialement et que l'autre palier de rotation (5, 4) est disposé de manière fixe dans le sens axial.
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le palier de rotation (4) déplaçable axialement est logé dans un manchon de support fileté (27) formant le dispositif de support fileté (25).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que des bouts d'arbre (18, 22), avec lesquels le cylindre (6) peut être accouplé axialement, sont logés dans les paliers de rotation (4, 5).
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le bout d'arbre (22) associé au palier de rotation (4) déplaçable axialement est déplacé axialement par déplacement axial du palier de rotation (4).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'accouplement entre bout d'arbre (18, 22) et cylindre (6) a lieu au moyen d'une denture frontale (14, 39 ; 15, 20).
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de support fileté (25) est maintenu sur le bâti de la vernisseuse ou machine d'impression au moyen d'un guidage en courbe (36).
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le guidage en courbe (36) est un guidage à rainure et languette ou un guidage à rainure et galet.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que plusieurs guidages en courbe (36) sont prévus, disposés avec un décalage angulaire les uns par rapport aux autres.
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'un des deux paliers de rotation (4, 5) est précontraint axialement.
  11. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de support (24) du palier de rotation (4) déplaçable axialement est maintenu sans jeu par des moyens de serrage radial (29).
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens de serrage radial (29) sont formés par un manchon de serrage radial.
  13. Dispositif selon l'une des revendications précédentes, caractérisé en ce que, pour une déformabilité élastique radiale des moyens de serrage radial (29), ceux-ci sont alimentés par un fluide sous pression.
  14. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le fluide sous pression est un gaz sous pression ou un liquide sous pression.
  15. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens de serrage radial (29), lorsqu'ils sont serrés, agissent sur le palier de rotation (4) de manière à éliminer un éventuel jeu de palier.
  16. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens de serrage radial (29) sont activés automatiquement aussitôt après le mouvement de vissage du dispositif de support fileté (25).
  17. Dispositif selon l'une des revendications précédentes, caractérisé en ce que, lorsque le dispositif de support (24) est serré, le cylindre (6) mis en place est fixé axialement entre les bouts d'arbre (18, 22) par l'action d'un ressort à boudin (47).
  18. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le cylindre (6) est un cylindre à vernir (7) d'une vernisseuse.
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 EP1462253A2 (fr) 2004-09-29
EP1462253A3 EP1462253A3 (fr) 2007-01-31
EP1462253B1 true 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)

Families Citing this family (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
CN109368320B (zh) * 2018-11-21 2024-10-15 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

Also Published As

Publication number Publication date
ES2312874T3 (es) 2009-03-01
EP1462253A2 (fr) 2004-09-29
EP1462253A3 (fr) 2007-01-31
DE502004007869D1 (de) 2008-10-02
DE10314298A1 (de) 2004-12-23

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