EP0531748B1 - Dispositif pour remplacer des plaques d'impression - Google Patents

Dispositif pour remplacer des plaques d'impression Download PDF

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Publication number
EP0531748B1
EP0531748B1 EP92113998A EP92113998A EP0531748B1 EP 0531748 B1 EP0531748 B1 EP 0531748B1 EP 92113998 A EP92113998 A EP 92113998A EP 92113998 A EP92113998 A EP 92113998A EP 0531748 B1 EP0531748 B1 EP 0531748B1
Authority
EP
European Patent Office
Prior art keywords
roller
plate
printing
journal
plate cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92113998A
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German (de)
English (en)
Other versions
EP0531748A1 (fr
Inventor
Gerd Merkel
Christian Dr. Compera
Rudolf Hutzenlaub
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0531748A1 publication Critical patent/EP0531748A1/fr
Application granted granted Critical
Publication of EP0531748B1 publication Critical patent/EP0531748B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • 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
    • B41F27/1206—Feeding to or removing from the forme cylinder

Definitions

  • Clamping a printing plate on the plate cylinder of a printing press was previously a step that the printer had to perform manually. This was done by means of clamping the pressure plate, which received the front edge and the rear edge of the pressure plate and which could be closed and opened with a key or a pin. The pressure plate was inserted into these devices by hand.
  • the first further development in this area included devices for clamping printing plates, which can be opened and closed at the push of a button. Through these devices, the pressure plate is automatically clamped at its front and at its rear end and then tensioned. The front edge of the printing plate can be inserted into the device for clamping the same manually, semi-automatically or fully automatically. A device of the type mentioned at the outset is required to insert the rear edge of the pressure plate.
  • Such a device is known from JP-PO Sho 63-191636.
  • the insertion of the angled rear edge of the printing plate into the clamping device of the printing cylinder takes place in this device with a roller pivotable levers connected to a shaft is mounted.
  • the roller presses the front edge of the printing plate against the surface of the plate cylinder as soon as it is clamped in order to then push its rear edge into the clamping device of the plate cylinder at the end of the printing plate.
  • the shaft with the levers and the roller is moved on a guide rail that is tangential to the plate cylinder.
  • the roller is pressed against the plate cylinder by means of a cylinder which actuates a rod connected to the levers.
  • This device has a complicated structure. It has many parts and requires a large installation space, which is undesirable in the already narrow space between the printing units. This large installation space makes it difficult to combine the device with a device for semi or fully automatic printing plate feed.
  • the further development of automation requires such a combination, a combination of standardized elements being desirable for reasons of economy.
  • the shaft is also located directly in front of the printing unit, which should always be accessible, for example if a slug has to be removed from the printing plate or the printer has to intervene by hand for other reasons.
  • the device is also not easy to remove in order to get to the printing unit better.
  • the invention has for its object to make available a device for plate change, which is simple in construction, takes up little space, impairs accessibility to the printing unit as little as possible and can be combined as a standardized element with both a semi-automatic and a fully automatic printing plate feeder .
  • roller at its ends by means of guides extending in the insertion direction of the rear edge of the pressure plate, fixedly connected to the machine frame, and displaceable by two control elements firmly connected to the machine frame.
  • the advantage of the invention is that it is characterized both by the simple structure and good accessibility to the printing unit and by a high level of functional reliability.
  • the device has very few parts and is therefore inexpensive to manufacture.
  • the roller is the only component that comes to rest in front of the printing unit. However, this usually does not hinder the printer.
  • a combination of the device with a device for semi-automatic or a device for fully automatic printing plate feed is easily possible without the device having to be designed differently. This combination of standardized elements is particularly economical.
  • a further development of the invention should be designed so that the roller can be removed by an operator without tools with a handle.
  • roller is held by means of two bearings which can be displaced in the guides and that it can be removed from these bearings.
  • Such bearings can consist, for example, of pins and pin receptacles, it being possible to attach the pins to the shaft and to arrange the pin receptacles in the guides or vice versa. It is also possible to provide a different arrangement on the left and the right side. It is essential that the roller can be easily removed from the bearings.
  • a pin receptacle consists of two halves, one of the halves can be folded away with a simple handle, or a device is provided by which the length of the shaft between the bearings can be shortened or the bearing parts attached to the machine frame can be moved apart are.
  • At least one pin is axially displaceable against a spring so that the opposite pin is no longer in the pin receptacle due to the axial displacement of the roller, and in that a spherical or dome-shaped design of the one still in engagement sliding pin and the associated pin receptacle allow the shaft to pivot out.
  • at least one pin receptacle against a spring is axially displaceable so that the opposite pin is no longer in the pin receptacle due to the axial displacement of the roller and that a spherical or dome-shaped design of the pin still in engagement and the associated movable pin receptacle allow the shaft to pivot out.
  • the displaceable pin or the displaceable pin receptacle can be provided on one or on both bearings, this being possible both on the roller and on the guides.
  • the device can also be used for the roller to roll the printing plate onto the plate cylinder when a printing plate is pulled onto the plate cylinder. This ensures that the pressure plate nestles particularly closely to the surface of the plate cylinder.
  • the roller can also be used at a distance from the plate cylinder as a guide when the printing plate runs in.
  • control elements are expediently designed as pneumatic cylinders. This is advantageous because compressed air is available on the printing press, pneumatic cylinders are easy to control and simultaneous and quick actuation is possible.
  • the fact that the pneumatics have a resilient property ensures that the roller bears against the plate cylinder in parallel and thereby inserts the plate exactly over the entire width into the clamping and tensioning device.
  • the bearings for supporting the axial forces of the roller have supports on the machine frame which can be displaced with the bearings. In order to keep the friction as low as possible, these supports are equipped with rotatable balls running on one surface of the machine frame.
  • bearings are located in sleeves which are displaceable by the adjusting elements and that the sleeves are guided in the insertion direction of the rear edge of the pressure plate by means of guide elements.
  • the sleeves contain springs, the bearings being displaceable outward from the plate cylinder against the force of the springs and the spring force being dimensioned such that the risk of injury to a hand between the plate cylinder and the roller is so small as possible.
  • a lever transmits the displacement of the bearing in the sleeve to a switch, the signal of which stops the printing press.
  • An expedient embodiment of the roller provides that it consists of an inner and an outer tube, the inner tube receiving the roller-side parts of the bearings and the outer tube being mounted on the inner tube with roller bearings.
  • This design of the roller ensures that it is easily rotatable and damage due to sliding of the pressure plate on the roller is avoided.
  • the roller In order to treat the printing plate as gently as possible, it is furthermore expedient for the roller to be provided with rings of elastic material which protrude beyond the roller surface. The distance between these rings must be chosen so small that a uniform force is exerted on the pressure plate over its entire width. Rubber rings are expediently used as rings.
  • the device according to the invention can be used in such a way that the tensioning device for clamping the printing plate leading edge and the printing plates wound around the plate cylinder are automatically inserted with their angled trailing edge by means of the roller into the device for clamping the printing plate trailing edge.
  • the device according to the invention can also be combined with a fully automatic machine which feeds or removes the printing plates from the plate cylinder by means of suction cups and transport devices.
  • a control ensures the consequent actuation of the feed, the removal, the clamping and unclamping as well as the actuation of the roller for inserting the trailing plate edge.
  • FIG. 1 shows a schematic representation of the device for changing the printing plate, the roller 1 being arranged parallel to the plate cylinder 14.
  • Roller 1 and plate cylinder 14 are shown very abbreviated.
  • the Roller 1 is supported at its ends in bearings 9, 10 and can be displaced in the insertion direction of the rear edge 3 of the pressure plate 2 by means of guides 5, 6.
  • the guides 5, 6, consisting of the guide elements 21, 21 ', 21'',21''', 22, 22 ', 22'',22''', are firmly connected to the side walls of the machine frame 4.
  • the displacement of the roller 1 is carried out by adjusting elements 7, 8.
  • the bearings 9, 10 are located in sleeves 19, 20 which are guided through the guide elements 21, 21 ', 21'',21''', 22, 22 ', 22'',22''.
  • the sleeves 19, 20 are formed, for example, as a square, the guide elements 21, 21 ', 21'',21''', 22, 22 ', 22'',22''' running on the side surfaces.
  • Each of the sleeves 19, 20 is equipped with two pairs of such guide elements, but only the front guide elements 21 ′′, 21 ′′ ′′, 22, 22 ′ are visible in FIG. 1.
  • Supports 15, 16 with balls 17, 18 ensure the absorption of the axial forces by being supported on the side walls of the machine frame 4.
  • the adjusting elements 7, 8 are fastened by angles to the side walls of the machine frame 4 and with their adjustable parts with the sleeves 19, 20 connected so that only longitudinal forces can be transmitted.
  • the sleeves 19, 20 are moved in the direction of the plate cylinder 14 until the roller 1 with its rings 30 has caused the angled rear edge 3 of the pressure plate 2 to be inserted into the clamping device 31 of the plate cylinder 14.
  • FIG. 2 shows one end of the roller 1 with bearing, guide and actuator.
  • the bearing 10 consists of a pin 11 which is axially displaceably mounted in the inner tube 27 of the roller 1 and can be pressed into the inner tube 27 against the force of a spring 13.
  • This pin 11 is located in a pin receptacle 12 which is inserted into the sleeve 20. Of the Pin 11 can be pushed against the spring 13 so far into the inner tube 27 of the roller 1 that the pin at the other end of the roller 1 moves out of the pin receptacle and thereby the roller 1 can be pivoted away from the printing unit.
  • the pin 11 is provided with a spherical surface, and the pin receptacle 12 has a dome-shaped design that matches it. The pin 11 is held in the tube 27 by a stop.
  • a support 16 adjoins the pin receptacle 12, which has a rotatable ball 18 at its end, which can run on a surface of the machine frame 4.
  • This support 16 takes up the absorption of the axial forces, a further support 15 of the same design being provided at the other end of the roller 1.
  • the sleeve 20 contains a spring 24 which presses the pin receptacle 12 against a wall 32 of the sleeve 20 facing the plate cylinder 14.
  • the pin receptacle 12 is radially displaceable in the sleeve 20 as seen from the plate cylinder 14, the receiving opening for the pin 11 remaining free through a recess 33.
  • An exact displaceability of the pin receptacle 12 in the sleeve 20 is achieved by a piston-like sliding element 40 which carries the pin receptacle 12 and slides in the sleeve 20.
  • the spring force of the spring 24 is dimensioned such that it holds the pin receptacle 12 on the wall 32 when the roller 1 is used as intended, but that it is compressed in the event that a hand gets between the plate cylinder 14 and the roller 1 and thereby the risk of injury is kept as low as possible.
  • the sleeve 19 at the other end of the roller 1 is designed accordingly.
  • FIG. 2 further shows the structure of the roller 1.
  • This consists of an inner tube 27 and an outer tube 28, the inner tube 27 receiving the roll-side parts of the bearings.
  • This is the pin 11.
  • Rolling bearings 29 are arranged between the outer tube 28 and the inner tube 27, which ensure that the outer tube 28 can be rotated easily.
  • On the surface of the outer tube 28 of the roller 1 there are grooves into which rings 30 made of elastic material are inserted in such a way that they protrude beyond the roller surface.
  • rings 30 made of elastic material
  • the adjusting element 8 is screwed onto an angle 34, which is firmly connected to the machine frame 4.
  • the roller 1 is mounted on the opposite side, not shown, in the same way, but it is sufficient if the pin is axially displaceable against the force of a spring on only one side. In this case, it is also not absolutely necessary for the non-displaceable pin or the associated pin receptacle to be spherical or dome-shaped. However, this is advisable to avoid damage.
  • Figure 3 shows the device just before inserting the rear edge 3 of the pressure plate 2.
  • the illustration shows a section between the actuating element 8 and the angle 34, the guide elements 22, 22 ', 22'',22'' and the bearing lever 25 are cut.
  • the direction of view is of the roller 1, the parts of its storage being visible at the right end.
  • the paired arrangement of the guide elements is clearly visible.
  • All guide elements are screwed into the side wall 4.
  • they are shown in section. They each consist of a screwed-in screw 35 and a sleeve 36 placed over it, which is easily rotatable.
  • Holding disks 37 on each guide element ensure that the sleeve 20 is also guided in the direction of the axis of the roller 1.
  • the holding washers 37 are held by the screw heads 38 (FIG. 1).
  • the pressure plate 2 is shown in a position in which it is placed around the plate cylinder 14 and its rear edge 3 still has to be inserted into the clamping device 31.
  • the sleeve 20 is displaced in the direction of the plate cylinder 14.
  • the sleeve 19 is moved at the other end of the roller 1.
  • the rear edge 3 of the pressure plate 2 comes into the position 39 shown in broken lines, in which it is located in the clamping device 31.
  • the tensioning device 31 is closed, the rear edge of the pressure plate is clamped in and the pressure plate is tensioned around the plate cylinder 14 by means of the tensioning device 31.
  • Figure 3 shows the spring 24 in the sleeve 20, which holds the bearing 10 of the roller 1 in the position facing the plate cylinder 14.
  • this design serves to protect a hand between the plate cylinder 14 and roller 1 from injury by the roller 1 being able to deflect against the spring 24.
  • the pivoted lever 25 mounted in the machine frame 4 is connected at one end to the bearing of the roller 1 and is designed such that when the roller 1 deflects in this way, a switch 26 is actuated at the other end of the lever 25 and the signal of the switch 26 stopping the press causes.
  • the lever 25 was not included in the drawing in FIGS. 1 and 2.
  • the roller 1 can already be actuated by the actuating elements after inserting the leading edge of the printing plate, in order to ensure that the printing plate 2 is properly applied to the plate cylinder 14. If this function is provided, the roller 1 must be moved away from the plate cylinder 14 shortly before reaching the rear edge 3 of the pressure plate 2, in order thereby to be able to push the angled rear edge 3 of the pressure plate 2 into the tensioning device 31 and thus to position 39 promote.
  • Figure 4 shows the combination of the device for inserting the angled rear edge of the printing plate with a device for semi-automatic printing plate feed.
  • a printing unit 50 is shown in which a plate cylinder 14 is located.
  • This plate cylinder 14 is equipped with a device for clamping the printing plate leading edge 41 and with a clamping device 31 for clamping the printing plate trailing edge.
  • the semi-automatic printing plate feeder consists of at least one roller 43 which is arranged such that its side facing the pressure unit in the plate changing position lies essentially on a straight line which runs parallel to the clamping surfaces 42 of the device 41 for clamping the printing plate leading edge between these clamping surfaces 42 and leads out at an angle from the printing unit 50.
  • the roller 1 is arranged such that it is located at the lower end of this straight line with little lateral displacement.
  • the printing plate 2 is fed in such a way that the printer guides the printing plate 2 with its front edge past the side of the roller 43 facing the printing unit and inserts it into the clamping surfaces 42 for receiving the printing plate front edge.
  • registration bolts are used in the Device 41 for clamping the pressure plate front edge, which cooperate with U-shaped recesses in the pressure plate.
  • the printer triggers the closing of the device 41, which is followed by a rotation of the plate cylinder 14, by means of which the printing plate 2 is wound onto the plate cylinder.
  • roller 43 After the pressure plate trailing edge passes the roller 43, it falls down due to its weight, whereby it is caught by the roller 1.
  • the roller 1 guides the printing plate and then serves in the manner described to insert the trailing edge of the printing plate. If the pressure plate trailing edge is inserted into the clamping device 31, it closes by clamping the pressure plate in order to subsequently clamp the pressure plate by a movement in the circumferential direction.
  • the at least one roller 43 which is expediently designed as an easily rotatable roller, which has the width of the printing plate, is arranged on a lower part of a two-part printing unit guard 46. It is so far away from the printing unit protection that the angled rear edge 3 of the printing plate 2 can run past the printing unit protection 46.
  • the lower part of the two-part printing unit guard 46 when folded up, assumes a position in which it is parallel to the straight line mentioned above. In this way, the roller 43 can be moved into its plate changing position when the printing unit guard 46 is folded up.
  • a suction cup 44 is arranged at the upper end of this lower part of the two-part printing unit guard 46, against which the printing plate 2 can be pressed.
  • the suction cup 44 is designed so that the pressure plate can slide on it.
  • the presence of this bore 45 is used for venting the suction cup 44. In this way it is achieved that the suction cup 44 releases the pressure plate in good time, the weight sags it a little way down and the rear edge 3 of the pressure plate can slide under this suction cup 44.
  • FIG. 4 further shows how the two-part printing unit guard 46 has a hinge 49, is pivotably attached to the printing unit 50 by an angular arm, and is guided on the printing unit 50 by means of a guide 48 at the lower end.
  • a gas pressure spring 47 or a pneumatic element arranged at this point serve to hold the printing unit protection in its folded-up position or to convey it into this position.
  • Fig. 5 shows the combination of the device for inserting the angled rear edge of the printing plate with a device for fully automatic printing plate supply and removal.
  • This device consists of a magazine 51 for receiving used printing plates which have been removed from the machine and for new printing plates which can be fed to the machine.
  • This magazine is expediently constructed in such a way that a cassette 52 for accommodating a number of new printing plates is accommodated in one room of the magazine 51 and in another room of the magazine 51 there is a cassette 53 for accommodating a number of old printing plates.
  • a transport device 55 is arranged for new printing plates, which has a plurality of suction cups 54, which are used to grip a new printing plate.
  • the supply of new printing plates takes place in such a way that the printer first inserts a cassette 52 with several new printing plates into the magazine 51 and then the suction cups 54 are lowered, grasp a printing plate, lift it first and then by means of the transport device 55 into the device 41 insert to clamp the front edge of the printing plate.
  • the suction cups 54 can be moved on a straight line which leads between the clamping surfaces 42 which are in a clamping position with a gap for receiving the plates in order to accommodate the leading edge of the printing plate.
  • the printing plate After the printing plate has been inserted, it is clamped by means 41 for clamping the printing plate leading edge and wound around the plate cylinder 14.
  • the pressure plate trailing edge is inserted by the roller 1 into the tensioning device 31 in the manner already described.
  • the tensioning device 31 and the device 41 are only shown symbolically. To remove the printing plates, they are released by the clamping device 31 and pushed into the lower part of the magazine 51. There they are gripped by one or more suction cups 56 and transported by means of the transport device 57 until they can be stored in the cassette 53 for receiving old printing plates.
  • Figures 4 and 5 show how the device for plate change, as described in claim 1 and further developed in the following claims, can be combined with a device for semi-automatic printing plate supply as well as with a device for fully automatic printing plate supply and removal, without that made changes to this device in terms of its structure Need to become. In this way it is possible to combine this device as a standardized element with both the semi-automatic and the fully automatic.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Magnetic Heads (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Massaging Devices (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (19)

  1. Dispositif pour remplacer des plaques d'impression, comportant un rouleau disposé parallèlement au cylindre porte-plaque et qui peut être repoussé par un élément de réglage contre le cylindre porte-plaque et au moyen duquel le bord arrière replié d'une plaque d'impression peut être inséré dans un dispositif de tension, caractérisé en ce que le rouleau (1) est supporté au niveau de ses extrémités, de manière à être déplaçable, au moyen de guides (5,6), qui s'étendent dans la direction d'insertion du bord arrière (3) de la plaque d'impression (2) et sont reliés rigidement au bâti (4) de la machine, et peut être déplacé par deux éléments de réglage (7,8), qui sont reliés au bâti (4) de la machine.
  2. Dispositif selon la revendication 1, caractérisé en ce que le rouleau (1) est retenu au moyen de deux paliers (9,10) déplaçables dans les guides (5,6) et qu'il peut être retiré de ces paliers (9,10).
  3. Dispositif selon la revendication 2, caractérisé en ce que les paliers (9,10) sont constitués par des tourillons (11) et des logements (12) pour tourillons.
  4. Dispositif selon la revendication 3, caractérisé en ce que les tourillons (11) sont raccordés au rouleau (1) et que les logements (12) pour tourillons sont disposés dans les guides (5,6).
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce qu'au moins un tourillon (11) est monté de manière à être déplaçable axialement à l'encontre d'un ressort (13) au point que, sous l'effet du déplacement axial du rouleau (1), le tourillon opposé n'est plus situé dans son logement, et qu'une réalisation de forme sphérique ou en forme de calotte du tourillon déplaçable (11), encore à l'état engagé, et des logements associé (12) pour le tourillon permettent un dégagement du rouleau (1) par basculement.
  6. Dispositif selon la revendication 3 ou 4, caractérisé en ce qu'au moins un logement pour tourillon est monté de manière à être déplaçable axialement à l'encontre d'un ressort (13) au point que, sous l'effet du déplacement axial du rouleau (1), le tourillon opposé n'est plus situé dans son logement, et qu'une réalisation de forme sphérique ou en forme de calotte du tourillon, encore à l'état engagé, et du logement mobile associé pour le tourillon permettent un dégagement du rouleau par basculement.
  7. Dispositif selon une ou plusieurs des revendications 1 à 6, caractérisé en ce que lors de l'aplication d'une plaque d'impression (2) sur le cylindre porte-plaque (14), le rouleau (1) applique, en roulant, la plaque d'impression (2) sur le cylindre porte-plaque (14).
  8. Dispositif selon une ou plusieurs des revendications 1 à 6, caractérisé en ce que le rouleau (1) est utilisé, à distance du cylindre porte-plaque (14), en tant que guide lors de l'insertion de la plaque d'impression.
  9. Dispositif selon une ou plusieurs des revendications 1 à 8, caractérisé en ce que les éléments de réglage (7,8) sont des vérins pneumatiques.
  10. Dispositif selon une ou plusieurs des revendications 1 à 9, caractérisé en ce que les paliers (9, 10) possèdent, pour supporter les forces axiales du rouleau (1), différents supports (15,16) situés sur le bâti (4) de la machine.
  11. Dispositif selon la revendication 10, caractérisé en ce que les supports possèdent des sphères pivotantes (17,18), qui roulent sur une surface du bâti (4) de la machine.
  12. Dispositif selon une ou plusieurs des revendications 1 à 11, caractérisé en ce que les paliers (9,10) sont situés dans des douilles (19,20) déplaçables par les éléments de réglage (7,8), et que les douilles (19,20) sont déplaçables en étant guidées radialement par rapport au cylindre porte-plaque, à l'aide d'éléments de guidage (21,21',21'',21''',22,22'22'',22''').
  13. Dispositif selon la revendication 12, caractérisé en ce que les douilles (19,20) contiennent des ressorts (23,24), les paliers (9,10) pouvant être déplacés vers l'extérieur à l'encontre de la force des ressorts (23, 24) lorsqu'on regarde à partir du cylindre porte-plaque (14), et que la force du ressort est dimensionnée de telle sorte que le risque de blessures pour une main introduite entre le cylindre porte-plaque (14) et le rouleau (1) est aussi faible que possible.
  14. Dispositif selon la revendication 13, caractérisé en ce qu'un levier (25) transmet le déplacement du palier (10) dans la douille (19) à un interrupteur (26), dont le signal arrête la machine d'impression.
  15. Dispositif selon une ou plusieurs des revendications 1 à 14, caractérisé en ce que le rouleau (1) est constitué par un tube intérieur et un tube extérieur (27,28), le tube intérieur (27) recevant les parties, situées du côté du rouleau, des paliers (9,10), tandis que le tube extérieur (28) est monté sur le tube intérieur (27) au moyen de roulements (29).
  16. Dispositif selon la revendication 15, caractérisé en ce que le rouleau (1) est équipé de bagues (30), qui font saillie au-delà de la surface du rouleau et sont réalisées en un matériau élastique.
  17. Dispositif selon la revendication 16, caractérisé en ce que les bagues (30) sont des bagues en caoutchouc.
  18. Dispositif selon une ou plusieurs des revendications 1 à 17, caractérisé par sa combinaison avec un dispositif pour réaliser l'amenée semi-automatique de plaques d'impression.
  19. Dispositif selon une ou plusieurs des revendications 1 à 17, caractérisé par sa combinaison avec un dispositif pour réaliser l'amenée entièrement automatique des plaques d'impression.
EP92113998A 1991-08-28 1992-08-17 Dispositif pour remplacer des plaques d'impression Expired - Lifetime EP0531748B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4128538 1991-08-28
DE4128538 1991-08-28
DE4218602A DE4218602C2 (de) 1991-08-28 1992-06-05 Vorrichtung zum Einführen der Druckplattenhinterkante an einem Plattenzylinder
DE4218602 1992-06-05

Publications (2)

Publication Number Publication Date
EP0531748A1 EP0531748A1 (fr) 1993-03-17
EP0531748B1 true EP0531748B1 (fr) 1995-06-14

Family

ID=25906778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113998A Expired - Lifetime EP0531748B1 (fr) 1991-08-28 1992-08-17 Dispositif pour remplacer des plaques d'impression

Country Status (9)

Country Link
US (1) US5309832A (fr)
EP (1) EP0531748B1 (fr)
JP (1) JP3273638B2 (fr)
CN (1) CN1070609A (fr)
AT (1) ATE123702T1 (fr)
AU (1) AU655652B2 (fr)
CA (1) CA2076790C (fr)
DE (2) DE4218602C2 (fr)
HK (1) HK19096A (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130359C2 (de) * 1991-09-12 1997-04-17 Heidelberger Druckmasch Ag Vorrichtung zum Ab- und/oder Zuführen von Druckplatten einer Druckmaschine
DE4214049A1 (de) * 1992-04-29 1993-11-04 Heidelberger Druckmasch Ag Vorrichtung zum zufuehren einer druckplatte zu einem plattenzylinder einer druckmaschine
FR2709090B1 (fr) * 1993-08-20 1995-11-10 Heidelberg Harris Sa Dispositif à crochet et escamotable pour maintenir une plaque d'impression sur un cylindre porte-plaque, dans une imprimante rotative, et imprimante rotative comportant un tel dispositif.
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CN1070609A (zh) 1993-04-07
CA2076790A1 (fr) 1993-03-01
EP0531748A1 (fr) 1993-03-17
ATE123702T1 (de) 1995-06-15
HK19096A (en) 1996-02-09
JPH05220933A (ja) 1993-08-31
DE59202515D1 (de) 1995-07-20
CA2076790C (fr) 1998-05-05
DE4218602C2 (de) 1993-11-11
DE4218602A1 (de) 1993-03-04
JP3273638B2 (ja) 2002-04-08
AU655652B2 (en) 1995-01-05
US5309832A (en) 1994-05-10
AU2130692A (en) 1993-03-04

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