EP2176069A1 - Cylindre d'impression à dispositif de serrage pouvant être actionné automatiquement - Google Patents

Cylindre d'impression à dispositif de serrage pouvant être actionné automatiquement

Info

Publication number
EP2176069A1
EP2176069A1 EP07821157A EP07821157A EP2176069A1 EP 2176069 A1 EP2176069 A1 EP 2176069A1 EP 07821157 A EP07821157 A EP 07821157A EP 07821157 A EP07821157 A EP 07821157A EP 2176069 A1 EP2176069 A1 EP 2176069A1
Authority
EP
European Patent Office
Prior art keywords
clamping
clamping body
printing cylinder
cylinder
channel
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.)
Withdrawn
Application number
EP07821157A
Other languages
German (de)
English (en)
Inventor
Andreas Zahnd
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
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 Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP2176069A1 publication Critical patent/EP2176069A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means
    • B41F27/1268—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means by self-locking or snap-on means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/1225—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly
    • B41F27/1243—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly by pivotal or swivelling motion, e.g. by means of a rocking lever
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means

Definitions

  • the invention relates to a printing cylinder with an automatically operable clamping device for clamping a pressure pad, which can be placed on an outer periphery of the printing cylinder.
  • the printing cylinder is part of a rotary printing press or intended for installation in a rotary printing machine. It is preferably a printing cylinder for a web-fed printing press, particularly preferably for an offset printing press, for example a newspaper offset printing press.
  • Pressure cylinders have for the attachment of pressure linings axial clamping channels or even a single clamping channel.
  • the pressure linings are bent at their leading and trailing ends, so that at the respective end serving as a clamping flange short turn is obtained, with which the pressure pad protrudes into a clamping channel and is clamped there by means of a clamping device.
  • a clamping device is known for example from DE 10 2005 029 167 Al.
  • the clamping device has in the clamping channel movably mounted clamping body, which are tensioned by means of spring force against a counter surface to form a nip for the removal of a pressure pad.
  • the clamping body yielding against the spring force.
  • the lugs are pulled out of the clamping gaps, in each case the forces acting there due to the spring force clamping forces must be overcome.
  • the clamping force proves to be problematic when removing the bends by means of a change machine for an automatic change of printing pads, especially when the automatic change machine holds the respective pressure pad by means of pneumatic suction.
  • actuators by means of which the clamping body of the counter surface, with which they each form the nip, can be turned off.
  • An example of such an actuator is known from DE 102 38 105 Al, according to which the Abstell Gay is effected by a pneumatic actuating means.
  • the actuator is structurally complex and expensive not least because of the required pneumatic connections.
  • Another problem is the susceptibility to dirt.
  • the invention relates to a printing cylinder with an automatically operable clamping device for a clamping attachment of one or more pressure pads on an outer circumference of the printing cylinder.
  • the printing cylinder is preferably a printing form cylinder, then for example 4, 5 or 6 or even more printing layers can be arranged next to one another on the circumference of the cylinder and one or two or even more printing layers can be arranged one behind the other in the circumferential direction.
  • Preference is given to 4x1 or 4x2 or 6x2 configurations, ie printing forme cylinders having four printing forms axially adjacent to one another, the circumference of the cylinder being one or two printing plates in length, or a printing forme cylinder for axially juxtaposed six and circumferentially two printing plates.
  • the printing cylinder can also be a transfer cylinder, in particular a blanket cylinder, which forms a printing gap for a continuous web with an impression cylinder.
  • the pressure cylinder has at its outer periphery an axially extending clamping channel with a located at the outer periphery of the pressure cylinder channel opening through which a in
  • Pressure pads or two circumferentially successively arranged pressure pads are insertable.
  • the pressure cylinder may have a plurality of such clamping channels offset from one another in the circumferential direction, but printing cylinders which have only a single clamping channel or two clamping channels offset in the circumferential direction are preferred.
  • the single clamping channel or the plurality of clamping channels preferably extends or extend axially over the entire length of the printing cylinder that can be covered by pressure linings.
  • a clamping body In the clamping channel, a clamping body is arranged, which forms with a mating surface, for example, a channel wall of the printing cylinder, a nip for a Abbug a pressure pad.
  • the clamping body is in the clamping channel for the execution of a directed towards the counter surface feed movement and a directed away from the counter surface Abstellterrorism back and forth.
  • the clamping body is mounted to move back and forth as a whole.
  • a form-elastic clamping body in question which has sufficient spring stiffness sufficient spring stiffness to produce in the nip a clamping force required for the terminals of a Abbugs.
  • a plurality of clamping bodies each of the same type are arranged axially spaced from one another in the clamping channel in order to jointly clamp the bend of the same pressure lining. If, as preferred, several pressure linings can be arranged axially next to one another on the printing cylinder, at least one such clamp body is arranged for each of the pressure linings. In preferred embodiments, in the clamping channel per turn, i. for each leading and for each trailing Abbug, each arranged at least one such clamp body.
  • the printing cylinder further comprises an actuating device, which is movable relative to this for the actuation of the clamping body. If a plurality of clamping bodies are arranged in the clamping channel, then preferably at least the clamping bodies which clamp the same turn can be actuated by means of the actuating device. If a plurality of pressure linings can be arranged axially next to each other on the printing cylinder, then preferably the
  • a plurality of forward and a plurality of trailing bends are arranged all clamp body of the clamping channel to be operated with the same actuator. It is also possible, for example, to provide two actuating devices which each extend from one of the two axial ends of the printing cylinder to at least substantially to the axial center. Such a splitting is particularly suitable for axially wide pressure cylinder in question. It can also be provided two axially continuous actuating means, one for the clamping body for the leading and the other for the clamping body for the trailing turns. If the pressure cylinder comprises a plurality of clamping channels, the above statements apply equally to the further clamping channel or possibly several further clamping channels, with at least one separate actuating device being provided for each clamping channel.
  • the printing cylinder comprises a coupling which mechanically couples the clamping body or the plurality of clamping bodies with the actuating device, so that the movement of the actuating device brings about the advancing movement or, more preferably, the stopping movement.
  • the word “or” is used here as well as in any other place in the usual logical sense, thus encompassing the meaning of "either .... or” and also the meaning of "and”, as far as the respective context is not unmistakably one results in limited meaning.
  • an actuating device may be provided which causes only the Abstellzi, alternatively, an actuator may be provided which causes only the Zustelldoch and in yet an alternative, an actuator may be provided that can cause both movements.
  • one or more clamping bodies of a clamping channel is thus automatically actuated by means of a relative to a cylinder body of the printing cylinder and the clamping body (s) movable actuator, wherein the relative movement of the actuator by means of a mechanical coupling to the clamping body or the clamping body transmitted and by means of the coupling, the feed movement or preferably the Abstell Gay of the or the clamping body (s) is effected.
  • the movement of the Actuator and thereby caused movement of the clamp body or the clamp body is not rectified.
  • the mechanical coupling comprises on the side of the actuating device an actuating coupling member and on the side of the clamping body, a clamping body coupling member, which is preferably arranged on the clamping body and in particular in one piece with the
  • Clamping body may be formed so that in coupling engagement of the coupling members of the
  • the sprag coupling member may also be coupled to the sprag body via one or more intermediate members to effect the stopping or advancing movement.
  • the engagement of the coupling members may be purely positive. However, more preferably, the engagement includes a frictional engagement, at least. Particularly preferably, the force of the actuating coupling member is both positively and frictionally transmitted to the sprag coupling member.
  • the mechanical coupling can be formed in particular as a cam gear.
  • the coupling comprises a guideway and an engagement member such that movement of the actuator in a guide engagement of the engagement member with the guideway causes movement of the clamp body.
  • the engagement member with the guide track in a sliding contact, so that the guide engagement is based on both frictional engagement and positive engagement.
  • the actuating coupling member, the guide rail and the clamping body coupling member form the engaging member. More preferably, the actuating coupling member forms the engaging member and the clamping body coupling member the guideway.
  • the actuating device comprises a transmission structure extended along the clamping channel, preferably at a side edge of the clamping channel, and the actuating coupling member, which is permanently coupled to the clamping body coupling member or, more preferably, coupled by the movement of the transmission structure, for movement transferring the transfer structure to the clamp body, which also includes the preferred case of motion conversion.
  • the transmission structure is advantageously axially, ie, at least substantially parallel to the axis of rotation of the printing cylinder, reciprocally movable.
  • the transmission structure may be a pure tension structure, for example a traction cable.
  • the transfer structure is more preferably a shear-resistant push structure. It can be shaped in particular as a slim push rod.
  • the transmission structure is axially preferably guided on several sides, preferably over its entire axial length.
  • the actuating coupling member is fixedly connected to the transmission structure.
  • the connection is fixed in such embodiments, at least in and against the direction of movement of the transmission structure.
  • the actuating coupling member is fixedly arranged on the transmission structure. In particular, it can protrude therefrom transversely to the direction of movement of the transmission structure, wherein it preferably forms the already mentioned engagement element for the likewise mentioned guideway.
  • a drive by means of which the movements of the actuating device are generated is preferably arranged axially next to the printing cylinder, preferably opposite an axial end of a printing section of the printing cylinder.
  • a preferred drive comprises at least one driven member arranged in such a way, but preferably also a pneumatic, hydraulic or electric drive close to and individually for the printing cylinder or a common drive for a plurality of printing cylinders of a printing unit with a plurality of pressure cylinders according to the invention.
  • the actuating device has a coupling member at one axial end of the pressure cylinder.
  • the output member of the drive causes in a clutch engagement with this coupling member, the movements of the actuator.
  • a transversely directed to the rotational axis of the printing cylinder movement of an output member in the clutch engagement can be converted into an axial movement of the transfer structure.
  • the direction of movability of the output member and the direction of movability of the actuator, preferably of said transmission structure are the same, so that the output member simply moves with it the actuating means, preferably the said transmission structure, thus following the output member.
  • the coupling member may be arranged for engagement with the driven member as pointing radially to the axis of rotation of the printing cylinder web at the axial end of the printing cylinder and extend around the axis of rotation only over an arc section or circumferentially.
  • the clutch engagement causes the use of such a web having coupling member by pressure against the web, preferably axial pressure, the movement of the actuator. If the output member of the drive is movable transversely to the axis of rotation of the printing cylinder, the coupling member of the actuator can be formed by an arc portion of a cone or a cone completely rotating around the axis of rotation to transmit the transverse movement of the output member in an axial movement of the actuator.
  • An axially movable output member and arranged at the axial end of the printing cylinder coupling member with an axially inner with respect to the pressure cylinder web and an axially outer web, between which the output member engages, is a particularly preferred option to move by means of an axially reciprocable Actuator one or more clamp body for one or more leading turns by axial movement of the actuator in one direction and one or more clamp body for clamping one or more trailing turns by axial movement of the actuator in the other direction or preferably off.
  • the pressure cylinder comprises a cylinder body and preferably a filler used to form the clamping channel in the cylinder body.
  • the cylinder body has at its outer periphery an outwardly preferably open recess into which the Filler is accordingly inserted from the outer periphery, so that it together with the cylinder body forms the outer periphery of the impression cylinder, wherein the outer periphery formed by the filler in the circumferential direction compared to the peripheral portion of the cylinder body is very short.
  • the clamping channel has a first channel wall and a second channel wall, which face each other in the circumferential direction of the pressure cylinder and each extending in the direction of the channel opening. Preferably, they each extend to one of the two outer edges of the clamping channel delimiting the channel opening.
  • the filler piece on a receptacle which faces a wall of the cylinder body is open and in which the clamping body is at least partially received.
  • the filler is on the side at which it has the receptacle, on the wall of the cylinder body, so that the wall of the cylinder body in contact with the filler delimits the receptacle.
  • the cross-sectional area of the recess provided for the filler piece in the cylinder body can be correspondingly reduced and the flexural rigidity can be increased for a given diameter.
  • the filler is preferably recessed on the corresponding side, so the receptacle shaped as a recess.
  • a filling piece which has a local recess for the clamping body or a plurality of only local cutouts the plurality of clamping bodies, a greater part of the bending stiffness lost by the recess of the cylinder body can be recovered than with a filling piece. which is supported to create the recording or multiple shots for several clamp body, for example, only local spacers on the opposite facing wall of the cylinder body, although such a design would also be possible in principle.
  • the recess is preferably obtained by a material-removing machining of the filler.
  • the recess or a plurality of recesses is or are at least substantially axially only as wide as a single or two juxtaposed (s) clamping bodies.
  • the receptacle preferably recess, is preferably provided on an underside of the filler piece facing away from the channel opening.
  • the recess passes through the filler piece from a front side having the second channel wall to a rear side of the filler piece facing away from the second channel wall.
  • a continuous recess in the circumferential direction of the printing cylinder facilitates the incorporation by means of a machining of the filler.
  • the recess is preferably rectangular in cross section.
  • a recess penetrating the filler in the circumferential direction of the pressure cylinder creates the possibility of access to the clamping body coupling member at the rear side of the filler in a space-saving manner.
  • the cylinder body forms the first channel wall and the filler the second channel wall. This also contributes to the cross-sectional reduction of the filler and, accordingly, to the reduction of the required material for the creation of the clamping channel material weakening of the cylinder body. If the cylinder body forms one of the channel walls, it is advantageous if the relevant channel wall does not form an undercut viewed from the channel opening but points at least substantially radially to a rotation axis of the pressure cylinder in the cross section of the clamping channel or at a small distance parallel to a radial the axis of rotation of the printing cylinder extends.
  • the clamping body has a support section which partially, preferably with a predominant part of its cross-sectional area or its volume recorded in the recording. From the support portion protrudes a clamping portion in the direction of the channel opening.
  • the support section and the clamping section can form an angle when seen in cross-section, preferably an at least substantially right angle.
  • a corresponding angle piece forms the clamping body.
  • the clamping portion is seen in cross section advantageously very narrow and may for example have a thickness of 1 mm to 5 mm. A thickness in the range of 1 to 3 mm is preferred. The smaller the thickness of the clamp body is, the narrower the gap bounded by the first and second duct wall can be.
  • a bending of the clamping body, in particular the formation of the clamping body as an angle, allows a particularly space-saving storage of the clamping body and radially to the axis of rotation of the impression cylinder seen flat cross-sectional shape of the filler.
  • the width of the clamping channel measured in the circumferential direction can advantageously be small in the channel region adjoining the channel opening. Since the filler as such contributes to the flexural rigidity of the printing cylinder, conversely, the free spaces in the cross section of the printing cylinder due to the channel gap affect the flexural rigidity, the flexural rigidity can be increased by such a design again.
  • the clamping body arranged in the clamping body in the region of their clamping gaps overlap each other in the circumferential direction at least partially and not in the circumferential direction, d. H. in an axial projection or view into the clamping channel, are arranged side by side to clamp a leading and a trailing pressure pad end.
  • the overlapping arrangement allows a particularly narrow gap between the channel walls, which adjoin the channel opening.
  • the pressure cylinder comprises a pressing device, which exerts a force on the clamping body, which causes a clamping force in the clamping gap.
  • Pressing device preferably exerts a spring force on the clamping body.
  • Pressing device may in particular be a single mechanical spring or of several mechanical springs are formed.
  • a pneumatic spring is also usable.
  • the pressing device is not a spring device, but has a drive for generating the clamping force, for example an electric drive.
  • the pressing device is preferably received in the filler or supported on the filler.
  • the pressing device can for example be supported only on the filler, but not included in the filler or absorbed only in the filler, but not supported on it or, and this corresponds to preferred embodiments, both supported on the filler and be included in the filler.
  • at least a predominant volume fraction of the pressing device is accommodated in the filling piece.
  • the pressing device preferably acts on the filling piece within the recess or a receptacle formed differently from the filling piece. In such embodiments, a region of the clamping body, in which the force of the pressing device is introduced into the clamping body, is thus accommodated in the receptacle.
  • the clamping body is preferably tiltably mounted in the clamping channel.
  • the movement during clamping namely the feed movement for closing and the Abstellieri for opening the nip, at least for increasing and decreasing the clamping force, is accordingly a tilting movement about a tilt axis.
  • a tiltable clamping body requires in comparison to, for example, a translationally movable clamping body, but can also be used alternatively, less space for the execution of the parking and delivery movement.
  • the clamping body is preferably a rigid body, which does not change its shape during the delivery and Abstellieri to and from a mating surface with which it forms the nip. Alternatively, however, it can also be elastic in shape and generate the clamping force as elasticity. In such embodiments, for example, can be dispensed with a pressing device.
  • an internally rigid clamping body is advantageous in order to be able to ensure a desired clamping force accurately and reproducibly in all operating states. If the clamping body is mounted tiltably, it preferably has on its outer surface an outwardly bulging rounding over which it is supported on the printing cylinder, so that in contact of the rounding with the printing cylinder, the tilting axis of the clamping body is formed.
  • the clamping body thus rolls over a circular arc section on a wall of the printing cylinder.
  • the rounding is preferably formed on a side remote from the filler piece and preferably also from the channel opening side of the clamping body, which preferably faces the axis of rotation of the pressure cylinder.
  • the rounding may extend from such an underside of the clamp body over a larger angle section of 40 ° or more, for example over more than 60 ° or more than 90 °.
  • the clamping body can contact a bottom of the recess of the cylinder body and at the same time an upstanding wall of the recess in the region of the rounding.
  • the outwardly bulging, with respect to the opposite surface of the impression cylinder convex curve allows to form the standing in contact with the round counter surface as a smooth, flat surface. This facilitates the production and in particular avoids indentations and concomitant stiffness reductions of the printing cylinder.
  • the rounding preferably has a curvature radius of at least 5 mm, more preferably at least 10 mm, in its arc section that is in contact with the counter surface during the tilting movement.
  • connecting surfaces for example continuously further rounded or planar surfaces, adjoin the round contact section.
  • the rounded Maisab section thus protrudes in preferred embodiments not in the manner of a raised nubs from a base of the clamp body, but is itself part of such a continuous, preferably bulbous base.
  • the clamping body has the support section and the clamping section pointing at an angle to the support section, the rounding or at least a major part of its arc is formed on the support section, but in likewise preferred embodiments it can also extend a little from there to the channel opening.
  • a further clamping body is arranged in the clamping channel, which forms a clamping gap for clamping the other end of the same pressure pad or another pressure pad, which is offset in the circumferential direction on the printing cylinder can be pulled.
  • the clamping bodies can be used for clamping the respective end of the same pressure pad or the pressure pads be the same.
  • the properties disclosed for one of the clamping bodies advantageously also have the other clamping body individually or in combination.
  • both clamping bodies can have a supporting section and an angularly pointing clamping section, for example each shaped as an angle profile, or tiltably mounted, in particular having the rounding described. They can be completely identical in form.
  • both pressing devices are supported on the filling piece or are accommodated with at least a predominant volume fraction in each case in the filling piece.
  • a spring member as a pressing device with regard to the initiation of the spring force, which is introduced in the one clamping body in the region of the support portion and the other clamping body in the region of the clamping portion.
  • FIG. 1 shows a printing cylinder with a cylinder body and a to form a
  • FIG. 2 shows a longitudinal section of the filling piece with a clamping device and a register device
  • Figure 3 shows the cross section B-B of Figure 1 with a first clamping body for
  • Clamping one end of a pressure pad, 4 shows the cross section CC of Figure 1 with a second clamping body for
  • Figure 5 shows the cross section A-A of Figure 1
  • Figure 6 shows the cross section D-D of Figure 1 with a register device for the
  • Figure 7 shows the register device in a view in the circumferential direction of
  • FIG. 8 shows the register device in a side view
  • FIG. 9 a detail of the register device in a plan view
  • FIG. 10 shows a tool for the lateral adjustment of the register device
  • FIG. 12 shows the register device with the engaging tool in one
  • FIG. 13 shows the register device with the engaging tool in a view in FIG
  • FIG. 14 shows the tool in engagement with the register device in a plan view
  • FIG. 15 shows a printing cylinder with a clamping device and a mechanism for automatic actuation of the clamping device
  • FIG. 16 shows a first clamping body of the clamping device of FIG. 15 in one
  • FIG. 17 a second clamping body of the clamping device according to FIG. 15 in one
  • FIG. 18 shows a pair of first and second clamping bodies and the mechanism of FIG. 15 in a view in the circumferential direction of the impression cylinder
  • FIG. 19 shows a further pair of first and second clamping bodies and of the
  • Printing cylinder and Figure 20 is a detail of Figure 15.
  • Figure 1 shows a printing cylinder in a view and partly in section along a rotation axis L of the cylinder.
  • the printing cylinder has a cylinder body 1, left and right each one of the cylinder body 1 projecting cylinder pin for the pivot bearing and a on the outer circumference in the cylinder body 1 inserted filler 2 to form a clamping channel for pressure pads.
  • the cylinder body 1 has measured between the cylinder pin an axial width corresponding to four printed pages of a printed product, which can be produced by means of a rotary printing machine, which includes the printing cylinder 1, 2 or for which the printing cylinder is provided.
  • the printed products may in particular be newspaper copies.
  • the printing cylinder is a printing form cylinder, the pressure pads according to printing forms. A total of four pressure pads can be mounted on the outer circumference of the printing cylinder, that is, the pressure cylinder has a circumference corresponding to a pressure side.
  • the filler 2 is arranged in a recess which is incorporated on the outer periphery in the cylinder body 1.
  • the recess and the filler 2 extend over the entire axial length of the cylinder body 1.
  • Figure 1 shows only a portion of the length of the cylinder body 1, which corresponds approximately to the width of a pressure side and, accordingly, a single-side pressure pad.
  • said four easy wide pressure pads aufziehbar or alternatively two double-wide pressure pads in the so-called panoramic format.
  • FIG. 2 shows the filling piece 2 alone in the longitudinal section corresponding to a pressure side.
  • the filler piece 2 forms a bearing device for a clamping device for clamping the ends of the pressure pads and also for a register device for adjusting the side register of the pressure pads. All clamping body of the clamping device and the register body of the register device are held on the filling piece 2.
  • the filler 2 forms with the clamping device and the register means a mounting unit by the components of the clamping device and register device are mounted on the filler 2 and the filler 2 is inserted with the pre-assembled components of the clamping device and register device in the recess of the cylinder body 1 and secured therein.
  • the filler 2 is fitted in a form-fitting manner in the recess of the cylinder body 1 and fastened by means of fastening means, fastening screws in the embodiment.
  • the attachment can be seen in Figures 1 and 5.
  • the clamping device comprises for each of the pressure pads a plurality of first clamping body 4 and a plurality of second clamping body 4.
  • the first clamping body 4 are for clamping a first end of the respective pressure pad and the second clamping body 4 are provided for the other, second end of the same pressure pad.
  • the clamping body 4 are arranged in recesses 2b of the filler 2.
  • the recesses 2b are at an underside of the filler 2, which faces the axis of rotation L of the printing cylinder 1, 2, incorporated and open at the bottom.
  • the recesses 2b take in each case two clamping bodies 4, namely in each case a first clamping body 4 and in each case a second clamping body 4.
  • each two clamping body 4 are arranged axially close to each other.
  • the recesses 2b have axially measured in each case a width which is slightly larger than the sum of the axial widths of the respectively received clamping body. 4
  • a register device 9 is provided per printing pad, each in the form of a register body.
  • the register devices 9 are mounted separately from each other individually axially adjustable, the storage is realized as already mentioned on the filler 2.
  • the filler 2 has for each one of the register means 9, a further recess 2c, in which the respective register means 9 is held purely by friction only by clamping.
  • the register devices 9 have no engagement means which cooperate with the filler 2 or the cylinder body 1 in adjusting the axial position of the respective register device 9. Accordingly, the register means 9 do not project any shear stressable engaging means into the filler 2 or the cylinder body 1 nor any such engagement means from the filler 2 or the cylinder body 1 into any of the register means 9.
  • the register means 9 are axially moved by means of an externally engaging tool adjusted.
  • Figure 3 shows in cross-section BB of Figure 1 one of the first clamping body 4, and Figure 4 shows in cross section CC one of the second clamping body 4, which are arranged in pairs side by side in one of the recesses 2b.
  • the cylinder body 1 and the filler 2 form the clamping channel for the pressure pads in a particularly space-saving manner.
  • a first end of a pressure pad 3 is clamped in a clamping gap formed by the cylinder body 1 and the first clamping body 4, and in FIG other, second end of the same pressure pad 3 in a formed between the filler 2 and the second clamping body 4 second clamping gap clamped.
  • the clamping channel has on the outer circumference of the printing cylinder 1, 2 a channel opening along which the outer circumference of the printing cylinder 1, 2 passes over one edge with a small radius of curvature in each case adjoining the respective edge channel walls Ia and 2a, the direction in extent facing each other.
  • the cylinder body 1 forms the channel wall 1a and the filler 2, the channel wall 2a.
  • the channel wall 1 a forms a counter surface for the first clamping body 4 in the clamping gap, while the channel wall 2 a forms such a counter surface in the clamping gap for the second clamping body 4.
  • the clamping channel is from the channel opening up to and including the two clamping gaps over the entire axial length in each case symmetrically to a through the clamping channel and the channel opening extending symmetry plane.
  • the channel walls 1a and 2a extend parallel to the symmetry plane containing the radial Rs.
  • the channel walls 1a and 2a therefore extend in a good approximation orthogonal to a tangent at the respective edge to the outer circumference of the printing cylinder tangent.
  • the clamped to the ends of the pressure pad 3 are shaped in a good approximation corresponding to each as a right-angled Abbug.
  • Printing coverings 3 of this type are disclosed, for example, in DE 10 2005 029 167 A1, which is referred to in this regard.
  • the turn at the leading end or the turn at the trailing end of the pressure pad 3 as shown in the embodiment simply plan or in an projecting between the channel walls Ia and 2a section be angled again, for example in the direction of the outer periphery of the impression cylinder 1, 2nd resting region of the printing pad 3 or away from it in the direction of the opposite channel wall 2a or Ia.
  • By repeated bending within at least one of the two turns of the pressure pad 3 can be clamped by clamping by means of the clamping body 4 of the pressure pad 3 in the circumferential direction.
  • the clamping bodies 4 each have their own pressing device 7 is assigned, which is formed as a spring member, in the embodiment as a mechanical spring to press the respective associated clamping body 4 against the channel wall Ia or the channel wall 2a and in the nip for clamping the Druckbelagendes required To generate clamping force.
  • the pressing means 7 are arranged in the form of coil springs and the effect as compression springs.
  • the pressing devices 7 are based on the filling piece 2. They are accommodated in each case in a cavity of the filler piece 2 and act in the case of the second clamping body 4 in the region of the recess 2b on the respective associated clamping body 4th
  • the clamping bodies 4 are individually positioned and held on the filling piece 2, namely in each case by means of a positioning element 8.
  • the positioning elements 8 are fixedly connected to the filling piece 2, screwed in the exemplary embodiment, and each protrude into the recess 2b with a shank portion. They pass through in the region of the recess 2b the respective clamping body 4, which has a passage at the appropriate point.
  • the passages of the clamping body 4 have in comparison with the passing shaft portion to an excess, so that the clamping body 4 is positioned and held on the filler 2 by means of the positioning elements 8, the necessary for introducing the ends of the respective pressure pad 3 Abstell- and Zustellierien of the channel wall Ia or 2a away, but not to be obstructed.
  • the recesses 2b of the filler 2 is a wall Ib of the cylinder body 1 facing.
  • the wall Ib forms a bottom of the incorporated in the cylinder body 1 for the filler 2 recess.
  • the filler 2 axially contacts the left and right of the recesses 2b each of these wall Ib.
  • the wall Ib limits the recesses 2b.
  • the wall Ib is over the entire axial length of the recess of the Cylinder body 1 and over its entire, measured in the circumferential direction of the printing cylinder 1, 2 width flat and smooth.
  • the channel wall 1a extends orthogonal to the wall 1b. In the region of the recesses 2b, the wall 1b also forms a channel wall.
  • the channel wall 1a is once set down between the bottom of the clamping channel and the channel opening by widening in the form of a small step once in its vicinity of the channel opening, substantially the thickness of the end of the pressure pad to be clamped 3.
  • the channel walls Ia and 2a Furthermore, each have in the region of that clamping body 4, with the respective channel wall Ia or 2a forms no nip, a recess into which the respective clamping body 4 can escape during its Abstellieri, as better seen in Figures 16 and 17 can be seen.
  • the clamping body 4 each have a support portion 5 and an angle to the support portion 5 facing clamping portion 6.
  • the clamping portion 6 protrudes like a finger from the support portion 5 in the direction of the channel opening.
  • the clamping body 4 each form an angle profile.
  • the support section 5 protrudes into the recess 2b and is received therein with at least a predominant volume fraction.
  • the clamp body 4 have at their side facing away from the channel opening undersides each seen in cross-section on a bulging bulging rounding, with which they are supported on the cylinder body wall Ib and form in contact with the wall Ib a tilting axis for the clamping body 4.
  • the tilting axis is at least substantially radially below the clamping gap of the clamping body 4, that is formed at least substantially at the same rotational angular position as the clamping gap, based on the axis of rotation L of the printing cylinder 1, 2.
  • the clamping body 4 are rigid tilting pieces.
  • the respective associated pressing device 7 acts on the clamping body 4 in the region of the clamping section 6.
  • the pressing devices 7 are radially approximately at the height of the clamping gap on the side of the clamping section 6 opposite the clamping gap acting arranged.
  • the respective associated pressing device 7 acts on the supporting section 5.
  • the two connections of the pressure lining 3 are provided with a recess in the area of the respectively non-clamping clamping body 4 and accordingly by the non-clamping clamping bodies 4 and in the case the first clamp body 4 also of their Andschreib Anlagenen 7 free.
  • the pressing devices 7 of the second clamping body 4 act on the support section 5 in the region of the recesses 2b and on the respective clamping body 4 via a lever arm extending up to the tilting axis.
  • the clamping body 4 form with that channel wall Ia or 2a, with which they form the nip, an insertion funnel for clamping the Druckbelags 3.
  • the clamping portions 6 taper to form the insertion funnel of the channel wall Ia or 2a, with which they the nip form, in the direction of the opposite channel wall radially outward.
  • FIG. 5 shows, in the cross-section A-A of FIG. 1, a section of the filling piece 2 next to the recesses 2b and 2c.
  • the filler piece 2 has contact with the walls of the cylinder body 1 delimiting the recess at all sides located within the recess in order to best stiffen the cylinder body 1 in the area of the recess.
  • the filler piece 2 With the exception of the necessarily free narrow channel gap between the channel walls Ia and 2b is between the cylinder body 1 and the filler 2 over the vast majority of the recess full-surface contact.
  • the filler 2 is in these cross sections, wherein in Figure 5 is a cross section with a fastener for fixing the filler 2 on the cylinder body 1 is shown, substantially cuboid, in the embodiment, it is in cross section in a first approximation square.
  • the recess has two mutually parallel side walls which extend from the bottom of the recess at right angles and parallel to the plane of symmetry of the clamping gap formed between the channel walls 1a and 2a up to the outer surface of the cylinder body 1.
  • Such a cross section is particularly easy to manufacture and weakens the cylinder body 1 in its decisive for bending stiffness cross-sectional area near the outer periphery only minimally.
  • FIG. 6 shows the clamping channel in a cross section with one of the register devices 9.
  • the register device 9 has a support section 10 and a register section 11 projecting at an angle from the support section 10.
  • the support portion 10 is in one of
  • the clamping surface 2d is a solid, non-compliant wall of the filler 2, which forms a first clamping means for the register device 9 in this sense.
  • the clamping surface 13a is formed by a second clamping means 13 acting as a pressure piece.
  • the filler 2 supports the clamping means 13 in the direction of the clamping surface 2d and from this way back and forth.
  • the clamping means 2 is in a passage of the filler 2, which leads into the recess 2c and is directed to the clamping surface 2d, guided linearly and preferably secured against rotation.
  • the clamping means 13 is plate-shaped and has on its clamping surface 2d side facing the clamping surface 13a.
  • the clamping means 13 is supported by a spring member 14 and a holding member 15 on the filler piece 2.
  • the holding member 15 is arranged in the same passage as the clamping means 13 and in the direction of the mobility of the clamping means 13 to a stop of the filler 2 back and forth adjustable.
  • the spring member 14 is supported in one spring direction on the holding member 15 and in the other direction on the clamping means 13 from.
  • the spring member 14 is a mechanical compression spring, the geometry of a coil spring.
  • the clamping means 13 has a clamping plate 13a forming plate-shaped plate and a protruding from this pin, with which it projects into a passage of the holding member 15.
  • the holding member 15 leads the clamping means 13 in the region of the pin to and fro.
  • the clamping surface 2d is a radially outer clamping surface
  • the clamping means 13 forms the clamping surface 13a as a radially inner clamping surface.
  • the holding member 15 is screwed in the passage of the filler piece 2 against the stop.
  • the frictional engagement between the register device 9 and the clamping means 2 and 13 is designed so that after spring tension, size of the clamping surfaces 2d and 13a and their Frictional values, that the register means 9 may indeed be axially displaced in the clamping engagement by means of a tool and thereby the side register of an associated pressure pad is specified, the once set axial position but is maintained under all conceivable conditions during operation of the printing cylinder 1, 2.
  • the register device 9 is formed as an angle piece, with the protruding into the recess 2c support portion 10 and the angle projecting therefrom in the direction of the channel opening register section 11. If the impression cylinder 1, 2 occupied with pressure pads, the register section 11 engages in a register recess of the Abbug arranged on the corresponding axial height pressure pads and thus determines its axial position, ie its side register.
  • the filler piece 2 has a local recess 2e in its channel wall 2a which faces the opposite channel wall 1a and forms a passage up to a slot 12 in the support section 10 of the register device 9.
  • a tool can be brought through the recess 2e into engagement with the register device 9, namely with its slot 12.
  • FIGS. 7 to 9 show the register device 9 in two views and in a plan view of a part containing the slot 12.
  • the slot 12 extends with its longitudinal axis in the circumferential direction of the printing cylinder 1, 2nd
  • Figures 10 and 11 show a tool 16 with which the axial position of the register device 9 is adjustable.
  • the tool 16 comprises a first tool section 17 and a second tool section 18.
  • the tool section 17 has a central longitudinal axis W, which forms an axis of rotation of the tool 16 during the adjustment of the register device 9.
  • the tool section 18 is eccentrically arranged with respect to this tool rotation axis W and extends the tool section 17 along the tool rotation axis W.
  • the tool section 18 forms an opening to the tool holder.
  • Rotary axis W eccentric eccentric axis Z of the tool 16. Both sections 17 and 18 are circular cylindrical.
  • Figures 12 to 14 show the tool 16 in engagement with the filler 2 and the register means 9 in the adjustment of the axial position of the register means 9.
  • the tool 16 is inserted with the tool portion 18 first in the recess 2 e of the filler until the tool section 18th protrudes into the slot 12.
  • the diameter of the tool section 18 and the width of the slot 12 are precisely matched to each other, so that the tool section 18 just fits into the slot 12.
  • the width of the recess 2e and the diameter of the tool portion 17 are precisely matched to one another.
  • FIG. 14 shows this in plan view through a handle 16a of the tool 16 shown as being transparent in FIG. 14.
  • the tool section 17 is axially closely held in the recess 2e, so that the tool rotation axis W is determined to be axially fixed relative to the impression cylinder 1, 2 ,
  • the eccentric tool portion 18 is pivots about the axis W. Since the tool portion 18 in the slot 12 of the register device 9 axially also narrow, the Registering device 9 axially displaced by the engaging in the slot 12 tool portion 18 during the rotational movement of the tool 16 (arrow at the bottom of the handle 16a).
  • the eccentricity of the two axes W and Z of the tool 16 may be for example 1 mm, so that the register device 9 can be adjusted from an imaginary center position to both sides axially by a maximum of 1 mm.
  • Figures 15 to 20 show a developed embodiment with an automatically operable clamping device. In the following, essentially only the
  • clamp bodies are merely for the sake of formal distinction with the reference numeral
  • Figure 15 shows an end portion of the printing cylinder 1, 2, wherein the cylinder pin and the pivot bearing of the printing cylinder 1, 2 have been omitted for the sake of simplified illustration.
  • the illustrated end section has a width measured along the axis of rotation L, which substantially corresponds to the width of a one-side-wide pressure pad.
  • the printing cylinder further such axial sections, in the exemplary embodiment, a total of four such sections for the occupancy of four juxtaposed pressure pads in the width of a single printed page, preferably newspaper page.
  • the clamping channel are distributed over the width of each pressure pad eight clamping body 24, four first clamping body 24 for a leading end and four other, second clamping body 24 for the trailing end of the same pressure pad.
  • the one for the pressure pad end provided first clamping body 24 and provided for the other pressure pad end second clamping body 24 are arranged symmetrically with respect to the respective end to be clamped.
  • the sequence is seen in the axial direction from left to right: first, second, second, first, first, second, second, first clamping bodies 24.
  • Figures 16 and 17 show the clamping channel with the clamping bodies 24 in each case in a cross section.
  • the cross-section of Figure 16 includes one of the first clamp bodies 24 for clamping a portion of a pressure pad, not shown, and the cross section of Figure 16 includes one of the second clamp bodies 24 for clamping the other dent of the same pressure pad.
  • the printing cylinder 1, 2 is a printing cylinder having a circumference which corresponds substantially only to the circumferentially measured length of a single printing pad. In a circumferentially larger pressure cylinder, for example, twice or even larger circumference of the second clamping body 24 would clamp a Abbug a circumferentially offset further pressure pad or terminals serve such another pressure pad.
  • the printing cylinder 1, 2 is equipped with an actuating device for the automatic actuation of the clamping body 24.
  • the actuator comprises an elongated Transmission structure 19 which extends axially over the entire or almost entire length of the printing cylinder 1, 2 and is axially movable relative to the impression cylinder 1, 2 and the clamping bodies 24 back and forth.
  • the transfer structure 19 is guided by the printing cylinder 1, 2 axially secured against rotation linear.
  • a linear guide forms both the cylinder body 1 and the filler 2, each having a recess within which the transmission structure 19 extends.
  • the transmission structure 19 is arranged in the region of the side facing away from the channel opening underside of the filler 2 and from the channel opening at a rear edge of the clamping channel.
  • the transmission structure 19 transmits tensile and compressive forces in the axial direction. It is shaped as a rectangular bar. The transfer structure 19 forms a slide.
  • the actuating device further comprises engagement members 20, one engaging member 20 per clamping body 24.
  • the engagement members 20 protrude from the transfer structure 19 in each case in the recess 2b in the direction of the clamping body 24. They are along the
  • Transmission structure 19 arranged so that in each case one of the engagement members 20 in a
  • Clamping force is reduced in the nip so that a clamped pressure pad end can be pulled or introduced with less force from the nip.
  • Engagement members 20 are formed in the embodiment as a bolt which in holes of
  • Transfer structure 19 are attached.
  • Other cross-sectional shapes than those of a simple round bolt are also usable, including the formation of a transfer structure 19 with projecting engagement members 20 in one piece.
  • the clamping body 24 facing the respective associated engaging member 20 facing in the region of its rear ends each have a guide rail 27 for the guide engagement with the respectively associated engaging member 20.
  • the guide tracks 27 are formed on the support portions 25, which are for the guiding engagement in the circumferential direction of the impression cylinder 1, 2 seen one with the respective associated engaging member 20th have overlapping end portion.
  • the guideways 27 are inclined in an axial plane parallel to the radial R, extending in the region of the guide engagement with respect to the axial.
  • An axial movement of the transmission structure 19 with the engagement members 20 causes the guide engagement of engaging member 20 and associated guide rail 27 a Abstell-tilting movement of the respective clamping body 24.
  • the clamping body 24 in solid lines, respectively with its clamping portion 26 in their counter the opposing surface 2a ( Figure 16) or Ia ( Figure 16) zuhen and shown in dashed line in the parked state.
  • the guiding engagement of the engagement members 20 and the guideways 27 is a pure sliding contact.
  • the engagement members 20 are rigidly connected to the transfer structure 19 in all respects.
  • the engagement members 20 could also be rotatably supported on the transfer structure 19 around the bolt axis, particularly when configured as circular bolts.
  • Stationary and otherwise not movable with the transfer structure 19 connected engagement members 20 are preferred.
  • the axial guidance of the transmission structure 19 is a sliding guide, wherein the transmission structure 19 in the guide is enclosed in a narrow cross-section, whereby the stability of the slender transmission structure 19 and always correct guiding engagement with the clamping bodies 24 are ensured.
  • the transfer structure 19 is guided in the longitudinal direction on both sides of the engagement members 20, namely in a first enclosure formed by the cylinder body 1 and in a second enclosure, which the cylinder body 1 and the filler 2 together form.
  • the two-sided guide Ic, 2f obtained by means of the enclosures is advantageous for the stability, but basically one of the enclosures could be dispensed with, preferably the lower one formed in FIGS. 16 and 17 alone by the cylinder body 1.
  • the clamping body 24 are continuously curved at their lower sides and in the outer transition region between the support portion 25 and the clamping portion 26, preferably with a constant radius of curvature. This rounding extends over one
  • the clamping body 24 contact in the region of their rounding the channel wall Ib, as in the first embodiment, and can also contact the towering channel wall Ia in the region of the rounding. They are bordered between the channel wall Ia and the respective associated engaging member 20 in the circumferential direction of the printing cylinder with little play.
  • the game is dimensioned so that the tilting movement is possible, the clamping body 24 on the other hand, however, are sufficiently accurately positioned in the circumferential direction.
  • additional positioning elements such as the positioning elements 8 of the first embodiment is omitted.
  • Figure 15 shows the clamping bodies 24 in a circumferential direction on the support portion 25. Shown are also the engagement members 20 and in dashed line the transfer structure 19.
  • the transfer structure 19 with the engagement members 20 assumes a neutral position "0", from which they move axially right to a position "1" and axially to the left to a position "2" is movable. In the neutral position "0", the engagement members 20 are not engaged with the clamp bodies 24.
  • the clamping body 24 are thus delivered in the respective clamping gap to the respective counter surface Ia or 2a due to the spring force of the respective associated pressing device 7.
  • the actuating device assumes the neutral position "0", in particular during the printing operation.
  • the actuating device also comprises a coupling member 21, which is arranged to be axially movable at a front end, in FIG. 15 at the left end of the printing cylinder.
  • the coupling member 21 is axially fixed to the transfer structure 19, in the embodiment, it is absolutely firmly connected to the transfer structure 19.
  • the transmission structure 19, the engagement members 20 and the coupling member 21 form the actuator 19-21.
  • the coupling member 21 has on its outer circumference two radially outwardly projecting webs, between which a recess remains, into which an output member 23 of a drive projects with an engagement end 22.
  • the drive is arranged on a machine frame G in the vicinity of the impression cylinder 1, 2 axially adjacent thereto.
  • the output member 23 is from the neutral position "0" axially back and forth until each in the position "1" or “2" movable and is driven by the drive accordingly.
  • the engagement end 22 projects between the two webs of the coupling member 21 in the recess, so that the output member 23 via the axially rigidly connected engagement end 22 at an axial Hubterrorism the coupling member 21 presses either against the axially inner web in the one axial direction or the axially outer web in the other axial direction.
  • the transmission structure 19 is accordingly pressed in one direction or pulled into the other.
  • the coupling engagement of the engagement end 22 and the coupling member 21 and their interaction is shown enlarged in FIG.
  • the engagement end 22 always protrudes between the webs in the coupling member 21.
  • the coupling member 21 of the engagement end 22 free, so it remains in the neutral position "0" axially to both webs and radially to the bottom of the depression between the webs a small distance , so that the pressure cylinder 1, 2 rotates freely from the output member 23, which always assumes the neutral position "0" in the printing operation.
  • the clutch engagement is a driving engagement, in which the output member 23, the actuator 1: 1 entrains in both directions, apart from the small axial distance to the two webs.
  • FIGs 18 and 19 show the two left pairs of clamping bodies 24 without the impression cylinder 1, 2, but with the transfer means 19 in dashed line and the engagement members 20.
  • the engagement members 20 are in solid line in neutral position "0" and dashed each in the guide engagement shown with the guide rail 27 of the associated clamping body 24.
  • FIG. 18 shows the clamping body pair arranged furthest to the left in FIG. 15, and
  • FIG. 19 shows the clamping body pair which is located farthest to the left thereof.
  • the guideways 27 are straight inclined surfaces which are inclined at a constant angle to the axial, wherein the angle is chosen so that slipping of the engagement members 20 is ensured in the guide engagement safe and no self-locking can occur.
  • the engagement members 20 are arranged on the transfer structure 19 and the guideways 27 on the respective clamping body 24 and aligned relative to each other, that the first clamping body 24, which form the nip with the channel wall 2a, in the movement of the actuator 19-21 in the one axial Direction and the second clamping body 24, which form the nip with the channel wall Ia, are turned off in the movement in the other axial direction, the other of these two groups of the clamping body 24 is free of the engaging members 20.
  • Actuator 19-21 in the position "1" are turned off in Figure 18, only the left and in Figure 19 only the right clamping body 24 in guiding engagement with the respective associated engaging member 20, while upon movement of the actuator 19-21 in the position "2 In FIG. 18, only the right clamping body 24 and in FIG. 19, the left clamping body 24 are placed in guiding engagement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Abstract

La présente invention concerne un cylindre d'impression équipé d'un dispositif de serrage pouvant être actionné automatiquement, pour un revêtement d'impression pouvant être appliqué sur une zone périphérique extérieure du cylindre d'impression, ce dernier comportant : a) un canal de serrage étendu axialement (1a, 1b, 2a, 2b) doté d'une ouverture de canal sur la zone périphérique extérieure du cylindre d'impression (1, 2), b) un corps de serrage (24) qui forme, dans le canal de serrage avec une surface antagoniste (1a, 2a), une fente de serrage pour le revêtement d'impression (3) et qui est mobile pour la réalisation d'un mouvement de distribution en direction de la surface antagoniste (1a, 2a) et d'un mouvement d'arrêt orienté en direction opposée de la surface antagoniste, c) un dispositif d'actionnement (19-21) qui, pour actionner le corps de serrage (24), est mobile par rapport à celui-ci, d) et un couplage (20, 27) qui réalise le couplage mécanique du corps de serrage (24) et du dispositif d'actionnement (19-21), de sorte que le déplacement du dispositif d'actionnement (19-21) provoque le mouvement d'arrêt ou de distribution du corps de serrage (24).
EP07821157A 2007-05-25 2007-10-10 Cylindre d'impression à dispositif de serrage pouvant être actionné automatiquement Withdrawn EP2176069A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007024426A DE102007024426A1 (de) 2007-05-25 2007-05-25 Spanneinrichtung für Druckformen
PCT/EP2007/060789 WO2008145198A1 (fr) 2007-05-25 2007-10-10 Cylindre d'impression avec dispositif de serrage pouvant être actionné automatiquement

Publications (1)

Publication Number Publication Date
EP2176069A1 true EP2176069A1 (fr) 2010-04-21

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Application Number Title Priority Date Filing Date
EP07821157A Withdrawn EP2176069A1 (fr) 2007-05-25 2007-10-10 Cylindre d'impression à dispositif de serrage pouvant être actionné automatiquement
EP08103237A Withdrawn EP1995066A3 (fr) 2007-05-25 2008-03-31 Dispositif de serrage pour blocs d'impression

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Application Number Title Priority Date Filing Date
EP08103237A Withdrawn EP1995066A3 (fr) 2007-05-25 2008-03-31 Dispositif de serrage pour blocs d'impression

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DE (1) DE102007024426A1 (fr)
WO (1) WO2008145198A1 (fr)

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DE2220652C3 (de) * 1972-04-27 1975-04-17 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorrichtung zum Befestigen von Druckplatten auf dem Plattenzylinder einer Rotationsdruckmaschine
DE7738242U1 (de) * 1977-12-15 1980-02-07 Koenig & Bauer Ag, 8700 Wuerzburg Vorrichtung zum befestigen biegsamer druckplatten auf dem formzylinder einer rollenrotationsdruckmaschine
US4890555A (en) * 1987-06-03 1990-01-02 Motter Printing Press Co. Printing press plate lockup
FR2727350B1 (fr) * 1994-11-24 1997-02-14 Heidelberg Harris Sa Dispositif de fixation d'une forme d'impression souple
FR2782946B1 (fr) * 1998-09-08 2002-04-12 Heidelberger Druckmasch Ag Dispositif telecommande de serrage et de traction monte sur un cylindre de groupe d'impression
DE20022737U1 (de) * 2000-12-04 2002-03-14 Koenig & Bauer Ag Vorrichtung zum Befestigen eines Aufzuges auf einem Zylinder
DE10238105A1 (de) 2002-08-21 2004-03-04 Koenig & Bauer Ag Druckmaschine mit mindestens einem Druckwerk
DE10311285A1 (de) 2003-03-14 2004-09-30 Koenig & Bauer Ag Druckwerke einer Druckmaschine mit mindestens einem Fromzylinder
DE10324330A1 (de) * 2003-05-27 2004-12-30 Man Roland Druckmaschinen Ag Plattenzylinder einer Druckmaschine
DE102004042342B4 (de) * 2004-09-01 2008-02-14 Maschinenfabrik Wifag Spanneinrichtung für einen Spannkanal eines Zylinderkörpers, Druckformzylinder und Verfahren zur Herstellung
DE102005002684A1 (de) * 2005-01-20 2006-08-03 Man Roland Druckmaschinen Ag Plattenzylinder mit einer Vorrichtung zur Festlegung von umfangseitig anbringbaren Druckplatten
DE102005029167A1 (de) 2005-06-23 2006-12-28 Maschinenfabrik Wifag Druckzylinderbelag, Kombination aus Druckzylinder und Druckzylinderbelag sowie Druckzylinder mit klemmend befestigtem Druckzylinderbelag
FR2892660B1 (fr) * 2005-11-02 2012-05-25 Goss Systemes Graphiques Nantes Presse d'impression a actionneurs de verrouillage de plaques portes par le bati.
DE102006002330A1 (de) * 2006-01-18 2007-07-19 Koenig & Bauer Aktiengesellschaft Plattenspannvorrichtung für den Plattenzylinder einer Druckmaschine

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Also Published As

Publication number Publication date
EP1995066A3 (fr) 2009-12-23
DE102007024426A1 (de) 2008-12-04
EP1995066A2 (fr) 2008-11-26
WO2008145198A1 (fr) 2008-12-04

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