EP1282519B1 - Cylinder with an apparatus for pressing a blanket against this cylinder - Google Patents

Abstract

During mounting and dismounting of blankets (2) on cylinders (1), rollers (3) are pressed against the cylinder in order to ensure uniform winding and unwinding. It is necessary to apply a uniform positioning pressure for a low control and driving expenditure. According to the invention, such a device for pressing blankets against cylinders is obtained by applying simultaneously several movable rollers (3, 29), independently from each other, by means of a single actuator (4). According to a particular embodiment of the invention, first and second rollers can be actuated for respectively mounting and dismounting the blanket. The assembly can be protected against contamination by moving a protection (47) by means of the same actuator. A stop is used for the correct positioning of the plate at the forward end.

Description

The invention relates to a cylinder with a device for pressing an elevator on this cylinder according to the preamble of claim 1.

The EP 07 12 725 B1 shows a device for pressing pressure plates by means of several, arranged along the cylinder barrel rollers. To protect against pollution, the device is arranged in a box-shaped, wegfahrbaren from the adjustment range of the rollers dirt protection. Separate working cylinders additionally arranged on the dirt protection opening flaps are actuated.

The EP 04 33 798 B1 has a pivotable protection for a change device of a printing plate, which protects the entire arrangement to the access side against contamination. The pressure roller is made in one piece and is made by located at both ends of the working cylinder via a lever to the cylinder.

The EP 07 10 556 B1 shows a device for guiding the trailing plate end in the channel during the Aufplatten. In this case, after the plate has been clamped and most of the plate was mounted, a feed carriage is moved to the cylinder and the trailing end of the plate inserted by means of an arranged on the carriage slide into the channel.

The invention has for its object to provide a cylinder with a device for pressing a lift.

The object is achieved by the features of claim 1.

The advantages achieved by the invention are in particular that a protection against possible contamination of the rollers is arranged in the parked state, the rollers and the protection are operated with the same actuating means. The movements can be performed in this way synchronously and without additional control and drive effort. Particularly advantageous is the coupling of the movable guards with the moving through the actuating means roller carriers.

Advantageously, at least one stop is arranged fixed to the frame for an exact insertion of a leading end of a lift. It is advantageous that the preparation of the elevator leading end receives a bias by the shape of the stop, which allows the elevator reproducible, because led, engage in the proposed clamping or clamping device.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Fig. 1

einen Schnitt durch ein erstes Ausführungsbeispiel der Vorrichtung zum Andrücken des Aufzuges in Anstelllage A;

Fig. 2

einen Schnitt durch ein zweites Ausführungsbeispiel unter Verwendung erster und zweiter Rollen für die Montage bzw. Demontage des Aufzuges;

Fig. 3

einen Schnitt durch ein drittes Ausführungsbeispiel unter Verwendung erster und zweiter Rollen für die Montage bzw. Demontage des Aufzuges;

Fig. 4

einen Schnitt durch ein viertes Ausführungsbeispiel mit vergrößertem Hub der Rollenbewegung sowie schwenkbarer Schutze zur Abdeckung der Rollen und einem Anschlag zur sicheren Einführung des vorlaufenden Plattenendes;

Show it:

Fig. 1

a section through a first embodiment of the device for pressing the elevator in Anstelllage A;

Fig. 2

a section through a second embodiment using first and second rollers for the assembly and disassembly of the elevator;

Fig. 3

a section through a third embodiment using first and second rollers for the assembly and disassembly of the elevator;

Fig. 4

a section through a fourth embodiment with increased stroke of Roller movement and pivotable protectors to cover the rollers and a stop for safe insertion of the leading end of the plate;

On a cylinder 01, for example a forming or transfer cylinder 01 of a rotary printing machine, an elevator 02, for example a printing plate 02 or a rubber blanket 02, is arranged in the operating state.

The device is advantageously arranged stationary with respect to the cylinder 01, but cooperates with the cylinder 01 only when actuated. For the assembly of the elevator 02 on the cylinder 01 or for disassembly, but can also be pivoted by means not described here device for pressing the elevator 02 to the cylinder 01. This can be done for example by means of pivoting lever arms, by linear movement on a threaded spindle or with other linear drives.

The device for pressing the elevator 02 extends in the working state of the device, d. H. when changing the elevator 02, with its longitudinal direction almost parallel to the axis of rotation of the cylinder 01. When assembling or disassembling the elevator 02, several rollers 03, which are associated with the device for pressing, pressed by means of an adjusting means 04 against the rotating cylinder 01.

The device for pressing essentially has a plurality of rollers 03 spaced from one another in the longitudinal direction of the cylinder 01, the roller carriers 06 receiving the rollers 03, the adjusting means 04, a support surface 07 and possibly a frame 08. The frame 08 may be fixed or movable, for example, on a side frame, not shown. The actuating means 04 is, for example, as acted upon by pressure medium, reversibly deformable hollow body 04, z. B. executed as a hose 04. The frame 08 serves to receive the roller carrier 06 and the hollow body 04 and may include the support surface 07. When loading the hollow body 04 with Pressure fluid is supported by the hollow body 04 against the support surface 07 and provides via a cooperating with the hollow body 04 surface 09 of the roller carrier 06, the roller 03 to the cylinder 01 at.

In a first embodiment, the frame 08 is arranged in the longitudinal direction almost parallel to the axis of rotation of the cylinder 01 and provides a nearly U-shaped cross member 08 with opposite legs 11; 12 and a bottom 13. Between the legs 11; 12, the bottom 13 opposite a bar 14 is arranged. The strip 14 has a plurality of longitudinally spaced apart, continuous guides 16. The guide 16 is designed for example as a bore or as a bore with sleeve or bushing in the bar 14 and allows the roller carrier 06 associated web 17 a guided in the longitudinal direction of movement.

The bar 14 forms together with the two legs 11; 12 and the bottom 13 has a longitudinally extending cavity 18. The bottom 13 has on its side facing the cavity 18 on which the hollow body 04 cooperating support surface 07. The legs 11; 12 may also be formed as webs or omitted altogether.

The hollow body 04 is in the longitudinal direction in the cavity 18 between the two legs 11; 12, the bottom 13 with support surface 07 and cooperating with the hollow body 04 surfaces 09 of the roller carrier 06 is arranged.

The two-armed roller carrier 06 has substantially cooperating with the hollow body 04, arranged in the cavity 18 of the frame 08 head 19, for example, formed as a plate 19, and the two projecting respectively through the guide 16 of the bar 14 ridges 17 on which in each case a roller 03 receiving foot 21 is arranged. The web 17, for example a cylindrical rod 17, is slidable with respect to its longitudinal direction in the guide 16 of the bar 14th arranged and connects each end face arranged in the cavity 18 plate 19 with the roller 03 supporting, outside the cavity 18 arranged foot 21, which is designed for example as a leg 21. The cross section of the round rod 17 corresponds approximately to the cross section of the guide 16 and the inner diameter of a possibly arranged for the purpose of better axial guidance bearing bush or sleeve.

The leg 21 has on at least one of its side surfaces 22, a radial bearing 23, for example, a bearing bush 23 for receiving an axle 24 associated with the roller 03. Between the two legs 21, the roller 03 is arranged so that it runs with its longitudinal axis during plate change almost parallel to the axis of rotation of the cylinder 01.

The roller 03 has the end face of one end of the split or through the roller 03 continuous axis 24, which cooperates with a respective bearing bush 23 in the leg 21 together. The roller 03 can be a rubber roller, a plastic roller or another roller 03 provided on the running surface with a soft coating which does not damage the elevator 02.

The plate 19 has on its the hollow body 04 facing end side with the hollow body 04 cooperating surface 09. The surface 09 opposite surface 26 of the plate 19 cooperates with the pointing into the cavity 18 surface 27 of the bar 14 as a stop 26 together. Advantageously, the arrangement of at least one resilient element 28, for. Example, a spring 28, between the surface 27 of the strip 14 and the surface 26. This is done for example by means of the round rod 17 comprehensive or arranged in recesses of the plate 19 and the bar 14 spring 28th
The roller carrier 06 can also be designed with one arm, wherein each round rod 17 is assigned a single arranged in the cavity 18 plate 19. To accommodate the roller 03 act in this embodiment, two each arranged in the guide 16 roller carrier 06 together. Plate 19, round rod 17 and legs 21 can also be made in one piece be, wherein the roller carrier 06 advantageously on the protruding into the cavity 18 side, the head 19, an enlargement of the cross section or at least one stop 26 and on at least one protruding from the bar 14 side, the foot 21 has a bearing bush 23.

The head 19 of the roller carrier 06 may also be designed as a plate 19 extending over several rollers 03, on which the round bars 17 and feet 21 are arranged for a plurality of rollers 03.

In each embodiment, the roller carriers 06 and rollers 03 are arranged on the strip 14 so that the longitudinally spaced-apart rollers 03 are each rotatably mounted about an approximately parallel to the axis of rotation of the cylinder 01 extending axis when the device for pressing against the cylinder 01 is pivoted.

• Die Vorrichtung zum Andrücken wird für den Wechsel der Druckplatte 02 so an den Zylinder 01 geschwenkt, dass die Rotationsachse des Zylinders 01 und die Achse 24 der Rolle 03 annähernd parallel verlaufen. In dieser Position wird der Hohlkörper 04 mit Druckmittel beaufschlagt. Bei Beaufschlagung mit Druckmittel und daraus resultierender reversibler Formänderung des Hohlkörpers 04 stützt sich der Hohlkörper 04 auf der Stützfläche 07 ab und drückt alle Rollenträger 06 an den Flächen 09 angreifend gleichzeitig gegen die Kraft der Federn 28 mit dem selben Druck nach außen auf den Aufzug 02. Rollen 03 und Rollenträger 06 befinden sich in Anstelllage A. Eine leichte Abweichung in der Position der Vorrichtung oder eine Schrägstellung bzgl. des
• Zylinders 01 wird durch den über den gesamten Hohlkörper 04 gleichmäßig herrschenden Druck ausgeglichen, indem ggf. weiter vom Zylinder 01 beabstandete Rollen 03 weiter aus dem Hohlraum 18 verdrängt werden. Alle Rollenträger 06 werden soweit aus dem Hohlraum 18 gedrückt, bis sie mit der selben Kraft gegen den Aufzug 02 angestellt sind. Letzteres jedoch nur im Toleranzbereich, der durch die in den Hohlraum 18 ragenden Länge des Rundstabs 17 gegeben ist.

The operation of the device for pressing a lift 02 with a plurality of first rollers 03 according to the first embodiment is as follows:

• The device for pressing is pivoted to the change of the pressure plate 02 to the cylinder 01, that the axis of rotation of the cylinder 01 and the axis 24 of the roller 03 are approximately parallel. In this position, the hollow body 04 is subjected to pressure medium. Upon application of pressure medium and the resulting reversible change in shape of the hollow body 04, the hollow body 04 is supported on the support surface 07 and pushes all roller carrier 06 at the surfaces 09 attacking simultaneously against the force of the springs 28 with the same pressure to the outside on the elevator 02. Rollers 03 and roller supports 06 are in Anstelllage A. A slight deviation in the position of the device or an inclination with respect to
• Cylinder 01 is compensated by the over the entire hollow body 04 uniformly prevailing pressure by possibly further spaced from the cylinder 01 rollers 03 are further displaced from the cavity 18. All roller carriers 06 are so far from the Cavity 18 pressed until they are employed with the same force against the elevator 02. The latter, however, only in the tolerance range, which is given by the protruding into the cavity 18 length of the round rod 17.

In a further embodiment of the invention, the device in addition to the first, spaced-apart rollers 03, which are employed for example for the assembly of new elevators 02 on the cylinder 01 to this, in addition a plurality of second rollers 29, which are employed for disassembly of the elevators 02 ,

In a second embodiment ( Fig. 2 ), with a plurality of first 03 and a plurality of second rollers 29, a widened guide 14 is arranged in the widened executed U-shaped frame 08, which has a series of second guides 31 in the longitudinal direction of the device parallel to the row of the first guides 16. In these second guides 31, the second roller carriers 32 are slidably disposed with the second rollers 29 parallel to the first rollers 03. A second adjusting means 33, z. B. a second hollow body 33 is located in the cavity 18 between the support surface 07 and the cooperating with the hollow body 04 surfaces 34 of the second roller carrier 32. The actuation of the first 06 and the second roller carrier 32 can also a single hollow body 04 corresponding shape and Location done.

For the change of the extract 02 according to the second embodiment, for example, first the second rollers 29 are employed on the cylinder 01. This can be done by applying the hollow body 33 with pressure medium and possibly additional pivoting of the frame 08 about a longitudinal axis, for example, a common pivot axis S, so that only the second rollers 29 are in Anstelllage A and act together with the elevator 02 , After removing the old and hanging the new elevator 02, the hollow body 04 is acted upon by pressure medium and possibly the frame 08 is pivoted in the opposite direction, so that only the first rollers 03 with the new elevator 02 together act and are in Anstelllage A.

If the first 06 and second roller carrier 32 are actuated together via a hollow body 04, the selection of the rollers 03 or 29 to be set is effected exclusively by pivoting the frame 08 about the longitudinal axis, for example the pivot axis S. For several, a hollow body 04 associated, rollers 03 or 29 same contact with the cylinder 01 is applied by the application of the hollow body 04 with pressure medium.

In a third embodiment ( Fig. 3 ) for the arrangement of a plurality of first 03 and second rollers 29, the first 03 and second rollers 29 are arranged almost diametrically opposite each other on the frame 08. Unlike in Fig. 1 Instead of the bottom 13 is mirror-symmetrical to a plane, the plane of symmetry E1, and to the hollow body 04, a second bar 36 with second roller carriers 32 and the second rollers 29 are arranged. The second roller carriers 32 have surfaces 44 cooperating with the hollow body 04 and a surface 37 cooperating with the second strip 36 as a stop 37. The legs 11; 12 may be extended so that a lateral cover of the device is ensured. The device for pressing is pivotable by means not described with respect. The longitudinally extending pivot axis S, which lies in the plane of symmetry E1 and parallel to the axes 24 of the first 03 and second rollers 29 extends. Advantageously falls in diametrical arrangement of the rollers 03; 29 the common pivot axis S with the line of intersection of the plane of symmetry E1 and a spanned by the axes 24 of the first roller 03 and the second roller 29 plane E2 together.

For the change of the extract 02 by means of the third embodiment, for example, first the second rollers 29 are employed on the cylinder 01. This is done by pivoting the frame 08 about the longitudinal direction Pivot axis S and subsequent impingement of the hollow body 04 with pressure medium, so that the second rollers 29 act together with the elevator 02, and these are in Anstelllage A. Both roller carriers 06; 32 pressed apart until, for example, the stop 26 of the moving without resistance roller carrier 06 with the first bar 14 cooperates. The surface 09 of the first roller carrier 06 acts according to the support surface 07 of the first embodiment ( Fig. 1 ) together with the hollow body 04 as a support surface 09. Upon release of the hollow body 04, the provision of the roller support 32 is effected by the spring 28. After acceptance of the old and hanging the new elevator 02, the frame 08 is pivoted for example by 180 °, so that after loading the hollow body 04 with pressure medium, the first rollers 03 with the new elevator 02 act together, and these are in Anstelllage A. The stop 37 now acts upon the loading of the hollow body 04 with the second guide 36 and the surface 34 as a support surface 34 with the hollow body 04 together.

The first 06 and second roller supports 32 can also be arranged in other, between the first rollers 03, the hollow body 04 and the second rollers 29 spanned angles α. The embodiments 2 and 3 show the two extrema for a plurality of mutually parallel side by side (α = 0 °) and diametrically with respect to the hollow body 04 opposite (α = 180 °) first 03 and second rollers 29th

The fourth embodiment ( Fig. 4 ) represents a further device for pressing the elevator 02, wherein the stroke generated by the deformation of the hollow body 04 is translated into an enlarged movement of the rollers 03.

The hollow body 04 and a plurality of rollers 03 are arranged in the frame 08 in the longitudinal direction almost parallel to the axis of rotation of the cylinder 01. The frame 08 provides a nearly U-shaped cross member 08 with opposite legs 11; 12 and a bottom 13. In an advantageous embodiment, the leg length is I12 of the leg 12th The leg 12 of the U-shaped cross member 08 can open outwards towards its outer end.

The hollow body 04 is in the interior of the U-shaped cross member 08, extending in the longitudinal direction, between the bottom 13 associated support surface 07, the legs 11 and 12 and the cooperating with the hollow body 04 surfaces 09 of the roller carrier 06 is arranged.

The roller carrier 06 has substantially cooperating with the hollow body 04 head 19 and at least one web 17 on which each of the roller 03 receiving foot 21 is arranged. He is at least with his head 19 between the legs 11; 12 arranged in the frame 08. Advantageously, the arrangement of a roller carrier 06 per roller 03, wherein the roller carrier 06 has two webs 17 each having a foot 21 for receiving the roller 03.

The head 19 of the roller carrier 06 has on its side facing the hollow body 04, the surface 09 and almost perpendicular to this two surfaces 38, with which the roller carrier 06 is supported on the legs 11 and / or 12 of the frame 08. For example, the head 19 is formed as a plate 19. The surface 38 may also be the leg 11; 12 facing surface of a plurality of juxtaposed, spaced-apart sliding or support feet 39, which on the plate 19 on the leg 11; 12 facing side are arranged. The web 17 connects the arranged at its first end plate 19 with the roller 03 receiving the foot 21 of the roller carrier 06 at its second end. The plate 19 and two webs 17 may also be made in one piece.
In contrast to the first embodiment rigidly connected to the web 17 foot 21 in the present example, the foot 21 of the roller carrier 06 is formed as a rocker or as a one-armed lever 21 which is actuated by acting as a ram 17 web 17. The lever 21 is rotatable about one at a first end of the lever 21 lying fulcrum 41 stored.

The pivot point 41 of the lever 21 is located on a rotation axis D which is almost perpendicular to the longitudinal direction of the web 17 and almost parallel to the axis 24 of the rollers 03 and is stationary with respect to the frame 08. It is, for example, as a joint, consisting of a leg 12 attached to the clevis 42 and the clevis 42 and the lever 21 by cross bolt 43 executed.

Spaced from the pivot point 41, the web 17 engages the lever 21. Lever 21 and web 17 are rotatably connected to each other about an axis nearly parallel to the axis 23 of the rollers 03. This is done z. B. by a bolt 44 which is arranged in bores of the lever 21 and the web 17.

At the pivot point 41 opposite the second end of the lever 21, the bearing bush 23 or a similar, suitable for receiving the roller 03, means is arranged. In an advantageous embodiment, two levers 21 to be assigned to a single roller carrier 06 take on a roller 03. The roller 03 is arranged between the two levers 21 so that their axis 24 extends almost parallel to the axis of the cylinder 01 upon actuation of the lever 21 via the respective web 17 of the roller carrier 06.

The hiring of the rollers 03 to the cylinder 01 can also be done via two-armed lever and other type or arranged gear members, the hollow body 04 actuated by reversible deformation of a drive member under pressure with pressure medium and the stroke of the linear movement generated therefrom on the drive member, possibly by appropriate Coupling, is transferred to a movement of the rollers 03. Advantageously, a gear which translates the stroke of the linear movement in deformation of the hollow body 04 in a larger movement of the rollers 03.

The provision of the rollers 03 and the roller carrier 06 is advantageously carried out by spring force. For example, a force acting on the lever 21 spring 46 may be attached to the frame 08 or 17 on the web. The arrangement of a compression spring between the head 19 and a stop, not shown is possible.

In a self-claimed embodiment of the embodiment, the U-shaped profile of the frame 08 is closed by one or more in the longitudinal direction of the frame 08 juxtaposed protectors 47 in the non-actuated state of the device. The protector 47 is pivotally mounted on the shorter leg 11 with respect to a longitudinal axis of the frame 08 extending axis, for example by a hinge 48, a hinge or hinges. The protector 47 is designed to complement the frame 08 in the circumferential direction on the shorter leg 11 and on the open end side of the U-shaped cross-section. At the same leg lengths I11 and I12 of the protection 47 includes only the open end of the U-shaped frame 08 from.

The protection 47 has on the inside of the frame 08 side facing, for example, a coupling 49 on the protection 47 and the roller carrier 06, z. B. on the web 17, each pivotable about an axis is arranged almost parallel to the longitudinal direction of the frame 08. The pivotable connection of the coupling 49 on the protection 47 is formed, for example, as a hinge with a tab 51 and a bolt 52. At the bridge 17, the coupling 49 z. B. by means of a bolt 53 which engages in a located in the web 17 bore 54, positively connected. Protection 47 and coupling 49 are arranged on the frame 08 or on the web 17 so that in the rest position of the roller carrier 06, d. H. if the web 17 is not pushed by the hollow body 04 in the direction of opening, the protection 47 together with the U-shaped frame 08, the rollers 03 and the adjusting mechanism, d. H. completely enclose the roller carrier 06 and the hollow body 04.

The guard 47 may also be coupled by other means with the roller carrier 06 so that they at the same time without additional drive when hiring or parking the rollers 03 or tax expense is opened or closed. The parallel arrangement of a plurality of hollow body 04, in the longitudinal direction of the cylinder 01 side by side or in the circumferential direction of the cylinder 01 one behind the other can be provided, for example, for actuating first or second rollers 03; 29 according to the arrangement of embodiment 2. The first and second rollers 03; 29 may also be arranged side by side in the longitudinal direction of the cylinder 01, for example alternately, the first rollers 03 cooperating via first roller carrier 06 with a first hollow body 04 and the second rollers 29 via a second roller carrier 32 with a second hollow body 33.

The swiveling frame 08 described in the exemplary embodiment 4 is preferably arranged stationary with respect to the cylinder 01 parallel to its axis of rotation. The frame 08 and the protection 47 may be designed so that they have in the closed position of the protection 47 in the engagement region between the protection 47 and cylinder 01, a shortest distance d47, which is preferably between 20 and 25mm. When the device is arranged between two contacting cylinders 01, for example a plate and a blanket cylinder of a printing press, the frame 08 and the protector 47 may be designed in shape such that the device also simultaneously rotates between the two as protection against being pulled Cylinder 01 functions. For this purpose, in each outer engagement region between cylinder 01 and frame 08 or protection 47, for example, between the free end of the leg 12 and the cylinder 01 or, with the flap 47 open, between the free end of the flap 47 and the cylinder 01, a maximum Keep distance from d12 = 6 mm or d47 = 6mm. It is advantageous to observe an obtuse angle in the mentioned engagement areas between the cylinder 01 and the device for pressing against the operator side. This can be done by a corresponding shaping of frame 08 and protection 47 or by additional attachment of, for example, sheet metal strips.

On the cylinder 01 facing the end of the leg 12 is in preferred Embodiment arranged a stop 56 for the straight and guided application of the aufziehenden printing plate 02. The stop 56 may be in one piece. Preferably, several, in the longitudinal direction of the frame 08 juxtaposed, spaced-apart stops 56 are arranged on the frame 08. They are non-positively and / or positively connected to the frame 08, for example by screws 57 at a bent end of the leg 12. However, they can also be part of the leg 12. The attachment of the stops 56 with screws 57 is advantageous, for example when forming the bores 58 as elongated holes, the adjustability of the stops 56 with respect to the position of the cylinder 01.

Shape and position of the stop 56 is on the cylinder 01 facing, and with a leading end 62 of the pressure plate 02 cooperating side 59 designed such that a located between stop 56 and cylinder 01 distance d56 tapers in the circumferential direction of the cylinder 01 out. The side 59 may, for example, be made in two parts and at an angle to a line 61 extending parallel to the axis of rotation of the cylinder 01, wherein the first section of the side 59 located in the entry region of the leading end 62 of the pressure plate 02 becomes less strong and the following second section becomes stronger towards the cylinder 01 tends. The distance d56 between cylinder 01 and stop 56 should be smaller at the line 61 of the bend, or at least in the course of the second portion of the side 59, than the width d62 of the folded, leading end 62 of the pressure plate 02.

• Der Formzylinder 01 wird in eine Position gedreht, in der die das vorlaufende Ende 62 der Druckplatte 02 aufnehmende Kanalöffnung 63 nahezu gegenüber den Anschlägen 56 zu liegen kommt. Die Druckplatte 02 wird mit ihrem abgebogenen vorlaufenden Ende 62 zwischen den Formzylinder 01 und die Vorrichtung zum Andrücken eingeführt und auf den Anschlägen 56 positioniert. Beim Einschieben der Druckplatte 02 wird das abgebogene Ende 62 der Druckplatte 02 durch die Form der Anschläge 56 vorgespannt und rastet selbsttätig in die Kanalöffnung 63 ein. Nach dem Klemmen des vorlaufenden Endes 62 im Kanal wird der Hohlkörper 04 mit Druckmittel beaufschlagt. Dieser öffnet über den Steg 17 den Schutz 47 und stellt gleichzeitig mehrere einzeln bewegbare Rollen 03 an den Zylinder 01 an. Wenn dies durch die räumlichen Gegebenheiten erforderlich ist, kann nach dem Klemmen des vorlaufenden Endes 62 und vor dem Öffnen des Schutzes 47 und dem Anstellen der Rollen 03 erst noch eine Positionierung des Zylinders 01 in oder entgegen seiner Produktionsrichtung erfolgen. Vorteilhaft ist die Positionierung des Zylinders 01 so, dass die Rollen 03 direkt oder nahe an der Kanalöffnung 63 auf den Aufzug 02 angestellt werden. Nach Anstellen der Rollen 03 wird der Zylinder 01 in Produktionsrichtung gedreht, bis die Rollen 03 wieder auf dem Kanal 63 zu liegen kommen und ein nachlaufendes Plattenende in die Kanalöffnung 63 führen.

The winding of the elevator 02 on the cylinder 01 by means of the device takes place according to the fourth embodiment as follows:

• The forme cylinder 01 is rotated to a position in which the leading end 62 of the pressure plate 02 receiving channel opening 63 comes to lie almost opposite the stops 56. The pressure plate 02 is introduced with its bent leading end 62 between the forme cylinder 01 and the device for pressing and positioned on the stops 56. When inserting the pressure plate 02 is the bent end 62 of the pressure plate 02 biased by the shape of the stops 56 and automatically engages in the channel opening 63 a. After clamping the leading end 62 in the channel of the hollow body 04 is acted upon with pressure medium. This opens on the web 17, the protection 47 and simultaneously provides a plurality of individually movable rollers 03 to the cylinder 01 at. If this is required by the spatial conditions, after positioning the leading end 62 and before opening the guard 47 and the rollers 03, positioning of the cylinder 01 in or against its direction of production can only take place. Advantageously, the positioning of the cylinder 01 is such that the rollers 03 are employed directly or close to the channel opening 63 on the elevator 02. After setting the rollers 03, the cylinder 01 is rotated in the direction of production until the rollers 03 come to lie on the channel 63 again and lead a trailing plate end in the channel opening 63.

Opening and closing the in the channel opening 63 located closures for the leading end 62 and the trailing end are preferably operated automatically and in accordance with the sequence of the described operations of the plate change. The dismantling of the elevator 02 from the cylinder 01 takes place essentially in the reverse order.

The embodiments have in common that by means of a single actuating means 04 or 33 in each case a plurality of first rollers 03 and / or second rollers 29 are actuated simultaneously and directly operated on the cylinder 01 by the actuating means 04 with the surface 09; 34 of a roller carrier 06; 32 works together. In all alternatives acts in Anstelllage A over the length of the device on all rollers 03; 29 directly the same power.

LIST OF REFERENCE NUMBERS

01

Cylinder, forming, transfer cylinder

02

Elevator, pressure plate, blanket

03

Role, first

04

Adjusting means, hollow body, hose

05

-

06

Roller carrier, first

07

Support surface (13)

08

Frame, traverse

09

Surface, supporting surface (06)

10

-

11

Thighs (08)

12

Thighs (08)

13

Ground (08)

14

Groin, first

15

-

16

Leadership (14)

17

Bridge, round rod, pestle (06)

18

cavity

19

Head, plate (06)

20

-

21

Foot, levers, thighs (06)

22

Side surface (21)

23

Radial Bearing, Bushing (21)

24

Axis (03; 29)

25

-

26

Surface, stop (06)

27

Area (14)

28

Spring element, spring

29

Role, second

30

-

31

Leadership, second

32

Roller carrier, second

33

Adjusting agent, hollow body, second

34

Surface, supporting surface (32)

35

-

36

Groin, second

37

Surface, stop (32)

38

Area (19)

39

Sliding support leg (19)

40

-

41

Pivot point (21)

42

clevis

43

Bolts (42)

44

Bolts (17)

45

-

46

feather

47

protection

48

Hinge (47)

49

Paddock (47)

50

-

51

Flap (47)

52

Bolt (49)

53

Bolts (17)

54

Bore (17)

55

-

56

attack

57

Screw (56)

58

Bore (12)

59

Page (56)

60

-

61

Line (56)

62

leading end (02)

63

Channel opening (01)

A

contact position

D

Pivot, axis

S

swivel axis

E1

Symmetry plane, plane

E2

level

d16

Diameter (16)

d19

Diameter (19)

d47

Distance (47)

d56

Distance (56)

d62

Width (62)

I11

Length (11)

I12

Length (12)

α

angle

Claims (4)

1. A cylinder with an apparatus for pressing a packing (02) onto the said cylinder (01), wherein the apparatus comprises at least one stop (56) which is arranged at a distance from the cylinder (01) and co-operates with a leading end (62) - edged off at an acute angle - of a packing (02) and which on its side (59) facing the cylinder (01) in the peripheral direction of the cylinder (01) is inclined towards the latter, so that the internal width between the cylinder (01) and the stop (56) is tapered inwards in the peripheral direction of the cylinder (01), characterized in that the stop (56) is arranged stationary with respect to the cylinder (01), and the internal width between the cylinder (01) and the side (59) of the stop (56) facing the cylinder (01) is smaller, at least at the narrowest point, than the width (d62) of the edged-off leading end (62) of the packing (02).
2. A cylinder according to Claim 1, characterized in that the distance between the cylinder (01) and the stop (56) in a region receiving the leading end (62) is larger than the width (d62) of the edged-off leading end (62) of the packing (02).
3. A cylinder according to Claim 1, characterized in that a plurality of stops (56) arranged at a distance from one another are arranged in alignment parallel to the channel opening (63) of the cylinder (01).
4. A cylinder according to Claim 1, characterized in that the cylinder (01) is a forme cylinder (01) of a printing press.

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