EP0738591B1 - Cylindre de transfert avec une unité d'entraínement électrique - Google Patents

Cylindre de transfert avec une unité d'entraínement électrique Download PDF

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Publication number
EP0738591B1
EP0738591B1 EP96104409A EP96104409A EP0738591B1 EP 0738591 B1 EP0738591 B1 EP 0738591B1 EP 96104409 A EP96104409 A EP 96104409A EP 96104409 A EP96104409 A EP 96104409A EP 0738591 B1 EP0738591 B1 EP 0738591B1
Authority
EP
European Patent Office
Prior art keywords
transfer cylinder
rotor
drive unit
bearing
electromotive drive
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
EP96104409A
Other languages
German (de)
English (en)
Other versions
EP0738591A1 (fr
Inventor
Christian Dr. Compera
Martin Greive
Bernd Herrmann
Karlheinz Dr. Peter
Anton Rodi
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
Priority claimed from DE19530283A external-priority patent/DE19530283A1/de
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0738591A1 publication Critical patent/EP0738591A1/fr
Application granted granted Critical
Publication of EP0738591B1 publication Critical patent/EP0738591B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices

Definitions

  • the invention relates to a transfer cylinder for Printing machines and an electric motor drive unit for this.
  • DE-U-9306369 discloses a transfer cylinder according to the preamble of claim 1.
  • the invention has for its object a mechanical particularly simple and largely backlash-free drive for to create a transfer cylinder.
  • Direct drives are known per se, for example in Turntables.
  • a first type of engine suitable for the invention is an internal rotor motor, the rotor of which at one axial end of the transfer cylinder and on the axis of the Transfer cylinder is arranged, for. B. by a Shaft journal of the transfer cylinder via the associated one Cylinder bearing extended and on its outside is provided with an arrangement of magnets.
  • a Pot-shaped stator that attaches to the press encloses the rotor radially.
  • a second suitable type of motor is an external rotor motor, its rotor through part of the transfer cylinder is formed, on the inside of which magnets are attached.
  • the high demands on the synchronism behavior of the best solution is a slow-running, permanent drive excited synchronous motor, its concentricity are optimized, e.g. B. by oblique grooving, sinusoidal Magnetization in the air gap and a sufficiently high one Number of poles.
  • the appropriate markings on the rotor or on Transfer cylinder scans is preferably in one fixed installation position integrated in the stator. As a result of that formed by the markings and the sensor Position transmitter at the same end of the transfer cylinder as the rotor is located, there are practically none Angle of measurement error. Due to the high rigidity of the structure you get excellent control properties.
  • the assembly with the stator is without adjustment effort
  • the whole can be mounted on the printing press and of it removable.
  • This unit can also be a control and Control electronics and / or power electronics for the included electromotive drive unit so that it is a forms an autonomous drive unit with local intelligence.
  • the drive according to the invention is very robust and has Comparison with known transfer cylinder drives light weight and low construction volume.
  • the invention provides that the Transfer cylinders at least at the end with the engine Form of an open tube, the outside of both the working surface of the transfer cylinder as well Storage area forms, the work surface and the Continuous storage area with the same diameter are trained.
  • the rotor magnets are on the inside of the open end of the transfer cylinder attached. In addition, you can any within the transfer cylinder additional equipment required for printing be accommodated.
  • Such a transfer cylinder can also Pull out of the side of the machine without the bearings or the side walls have to be dismantled.
  • the transfer cylinder also without complex welding and without extensive machining from a tubular semi-finished product produce. There is no pin deflection and Flange deformation as with conventional ones Transfer cylinders, and the transfer cylinder has the greatest possible rigidity for a given weight.
  • Such a structure is especially for Transfer cylinder with a continuous work surface suitable that have no longitudinal groove.
  • Such Transfer cylinders can be used with a hard, wear-resistant and high-precision manufactured surface be provided to the work surface of the To impart certain properties to the transfer cylinder, which are primarily of printing importance.
  • a tubular design of the transfer cylinder comes not only with an external rotor motor, but also with an internal rotor motor.
  • the rotor preferably as a substantially cylindrical Component formed that laterally from the Transfer cylinder protrudes, being radial from one cup-shaped stator is enclosed.
  • a transfer cylinder 1 has at each end a shaft journal 2, 3 on the ball bearings 4, 5 in Side walls 6, 7 of a printing press are mounted.
  • the shaft journal 3 is beyond the ball bearing 5 extended outside.
  • On the extended part 8 of the Shaft journal 3 is a cylindrical sleeve 9 in a force-locking manner pressed on, pre-assembled on the outside Permanent magnets 10 are arranged.
  • the rotor formed in this way is concentric of a stator enclosed by electromagnet 11 is formed on the cylindrical inside of a Pot-shaped stator housing 12 are attached, with its open side attached to the side wall 7 of the printing press is.
  • a Transfer cylinder 20 at one end as in FIG. 1 educated At its other end, the Transfer cylinder 20 no shaft journal, but is formed as an open tube that in one of his Outer diameter corresponding ball bearing 21 in the Side wall 7 of the printing machine is mounted. In the open The end of the transfer cylinder 20 is a non-positively cylindrical sleeve 22 pressed, on the inside Pre-assembled permanent magnets 23 are arranged. As a rotor serves the transfer cylinder to be driven 20 in Connection with the sleeve 22 and the permanent magnet 23rd
  • the associated stator is by electromagnet 24 formed on the outside of a cone-shaped part a stator housing 25 are attached.
  • the stator housing 25 is so attached to the side wall 7 of the printing press that its cone-shaped part with the electromagnet 24 concentric in the arrangement of the permanent magnets 23 immersed.
  • Fig. 3 is a transfer cylinder 30 in the form of a continuous straight tube shown that extends lengthways an axis 32 extends.
  • the outer surface of the Transfer cylinder 30 is an extremely hard, wear-resistant and high-precision ceramic surface, which, with the same diameter everywhere, is both axial middle cylindrical work surface 33 as well Bearing surfaces 34 and 35 at the axial ends of the Transfer cylinder 30 forms. In other words, make up the working surface 33 and the bearing surfaces 34 and 35 together a continuous surface with the same everywhere Diameter.
  • the bearing surfaces 34 and 35 are for axial rotatability of the transfer cylinder 30 in radial bearings 36 and 37 stored on the side walls 38 and 39 of the printing press are attached.
  • the bearing surfaces 34 and 35 run immediately on rolling elements 40 and 41 of the radial bearings 36, 37.
  • the transfer cylinder 30 Adjacent to the bearing surface 35 and entirely on an axial At the end, the transfer cylinder 30 has an annular shape Thrust bearing surface 42 with a slightly smaller diameter than that Storage area 35 on. Between one through the Reduced diameter formed shoulder 43 am Transfer cylinder 30 and one at its end screwed annular plate spring 44 sits Thrust bearing 45 on thrust bearing surface 42. Thrust bearing 45 contains rolling elements 46 which axially transfer cylinder 30 lead, and is just like the radial bearing 37 on the Side wall 39 attached.
  • the transfer cylinder 30 shown in Fig. 3 can be very simply disassemble by loosening the thrust bearing 45 is pulled out of the side of the printing press. While the transfer cylinder 30 in the shown Embodiment can be pulled out on both sides can, because the working surface 33 and the bearing surfaces 34 and 35 have the same diameter, are also embodiments possible where z. B. the diameter of the bearing surface 34 slightly larger or the diameter of the bearing surface 35 somewhat is smaller than the diameter of the working surface 3, so that the transfer cylinder 30 at least to one side can be pulled out. On the other hand, a tube with the substantially uniform surface, as in FIG. 1 shown, of course the easiest to manufacture.
  • concentric cylindrical rotor 47 is pressed, which is not in detail contains permanent magnets shown and the over the end of the Transfer cylinder 30 also protrudes.
  • the above Part of the rotor 47 is radially surrounded by electromagnets 48, which are fixed in a stator housing 49.
  • the Stator housing 49 is on the side wall 38 of the printing press attached by z. B. a clamping device, not shown the stator housing 49 presses against the side wall 38, wherein the stator housing 49 is axially fixed by pins 50. This makes it easy to assemble and disassemble the Stator housing 49 possible.
  • the stator housing 49 contains one or more sensors 52 adjacent to the Marking disc 51 are arranged with an air gap between.
  • the marking disc 51 and the or Sensors 52 form a position sensor for the Angular position of the rotor 47 or Transfer cylinder 30.
  • the position transmitter has one Resolution of 1000 periods per revolution or more, depending of the respective requirements for the synchronism behavior.
  • control and Control electronics 53 and power electronics 54 housed, as shown schematically.
  • the Power electronics 54 is via not shown Power supply lines with a power supply to the Printing machine connected and supplies the electromagnets 48th depending on control signals of the tax and Control electronics 53 with electricity.
  • the tax and Control electronics 53 forms together with the Power electronics 54, the motor and the position transmitter, with whose sensor or sensors 52 it is connected to, one Control circuit for the synchronization control of the Transfer cylinder 30.
  • control and Control electronics 53 For synchronization with further transfer cylinders or for a control and Control of cylinder rotation is the control and Control electronics 53 connected to a machine computer.
  • Fig. 4 is an embodiment of a tubular Transfer cylinder with an integrated Outrunner motor. Parts with the embodiment of Fig. 3 match, are with the same reference numerals designated.
  • Fig. 4 are in a transfer cylinder 60 which in remaining with the transfer cylinder 30 of FIG. 1st matches, at one axial end on its inside a number of magnets 61 embedded.
  • a stator shaft 62 Inside the Transfer cylinder 60 is a stator shaft 62, carries the magnetic coils 63 that hold the magnet 61 opposite.
  • the stator shaft 62 extends through the entire transfer cylinder 60 and is on both Ends attached to the press, as schematically indicated. This results in a particularly high one Stiffness of the stator.
  • Position transmitter, control and regulating electronics and one Power electronics can be integrated into the stator.
  • FIG. 5a to 5d show several alternatives for storage a tubular transfer cylinder 70 in one Side wall 71.
  • the use of a rolling bearing 72 with inner and Outer ring, as shown in Fig. 5a, is advantageous if the bearing surface of the transfer cylinder is not immediate should or can be claimed.
  • needle bearings can be used as ball bearings
  • Rolling bearings are used, as in Fig. 5a or 5b shown.
  • the balls of a ball bearing can also be used directly roll on the bearing surface of the transfer cylinder 70, as in Fig. 5b using a roller bearing 73 without an inner ring shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Claims (7)

  1. Cylindre de transfert à module d'entraínement à moteur électrique, un rotor du module d'entraínement à moteur électrique et un cylindre de transfert (1 ; 20 ; 30 ; 60) comportant un palier commun (5 ; 21 ; 40) situé dans un élément (7 ; 38) d'une machine à imprimer qui le soutient,
       caractérisé
       en ce que le cylindre de transfert (20 ; 30 ; 60 ; 70) présente à une extrémité axiale ou aux deux extrémités axiales la forme d'un tube ouvert dont le côté extérieur forme aussi bien la surface de travail (33) que la surface de montage (34 ; 35), la surface de travail et la surface de montage étant continues et ayant le même diamètre et en ce que la surface extérieure du cylindre de transfert (20 ; 30 ; 60 ; 70) convient à un montage direct entre corps de roulement (40 ; 41) d'un roulement à billes (36 ; 37 ; 73) ou dans un coussinet (75).
  2. Cylindre de transfert selon la revendication 1,
       caractérisé
       en ce que le module d'actionnement à moteur électrique est un moteur à induit interne, le rotor étant disposé à une extrémité axiale du cylindre de transfert (1 ; 30) et sur l'arbre du cylindre de transfert.
  3. Cylindre de transfert selon la revendication 2,
       caractérisé
       en ce que le rotor est formé d'un tourillon prolongé (8) du cylindre de transfert (1), sur le côté extérieur duquel des aimants (10) sont fixés.
  4. Cylindre de transfert selon la revendication 1,
       caractérisé
       en ce que le module d'entraínement à moteur électrique est un moteur à induit extérieur, le rotor étant formé d'une partie creuse du cylindre de transfert (20 ; 60), sur le côté intérieur de laquelle des aimants (23 ; 61) sont fixés.
  5. Cylindre de transfert selon l'une des revendications précédentes,
       caractérisé
       en ce que le module d'entraínement à moteur électrique est un moteur synchrone et en ce que les aimants du rotor sont des aimants permanents.
  6. Cylindre de transfert à module d'entraínement à moteur électrique selon l'une des revendications précédentes,
       caractérisé
       en ce que le module d'entraínement à moteur électrique se compose du rotor et d'une partie (49) qui peut être assujettie à une machine à imprimer et dans laquelle un stator (48) et un capteur (52) de détection de la position du cylindre de transfert sont intégrés.
  7. Cylindre de transfert selon la revendication 6,
       caractérisé
       en ce que par ailleurs une électronique de commande et de réglage (53) et/ou une électronique de puissance (54) du module d'entraínement à moteur électrique sont intégrées dans la partie pouvant être assujettie à la machine à imprimer.
EP96104409A 1995-04-15 1996-03-20 Cylindre de transfert avec une unité d'entraínement électrique Expired - Lifetime EP0738591B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19514157 1995-04-15
DE19514157 1995-04-15
DE19530283 1995-08-17
DE19530283A DE19530283A1 (de) 1995-04-15 1995-08-17 Übertragungszylinder mit elektromotorischer Antriebseinheit

Publications (2)

Publication Number Publication Date
EP0738591A1 EP0738591A1 (fr) 1996-10-23
EP0738591B1 true EP0738591B1 (fr) 1999-01-27

Family

ID=26014415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104409A Expired - Lifetime EP0738591B1 (fr) 1995-04-15 1996-03-20 Cylindre de transfert avec une unité d'entraínement électrique

Country Status (3)

Country Link
US (1) US5711221A (fr)
EP (1) EP0738591B1 (fr)
JP (1) JPH08318612A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1175300B2 (fr) † 2000-02-18 2010-03-31 Uteco Holding S.P.A. Machine d'impression flexographique rotative a plusieurs couleurs

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19624394C1 (de) * 1996-06-19 1997-12-04 Roland Man Druckmasch Angetriebener Zylinder
US5783879A (en) * 1997-06-03 1998-07-21 Eastman Kodak Company Micromotor in a ceramic substrate
JP3430154B2 (ja) * 1998-04-24 2003-07-28 ケーニツヒ ウント バウエル アクチエンゲゼルシヤフト 輪転印刷機用のローラ
DE19930998B4 (de) 1998-07-31 2011-11-10 Heidelberger Druckmaschinen Ag Druckmaschinenantrieb
DE19848184C2 (de) * 1998-10-20 2002-02-28 Roland Man Druckmasch Zylinder einer Rotationsdruckmaschine
SG116488A1 (en) * 1998-12-16 2005-11-28 Silverbrook Res Pty Ltd Printer transfer roller with internal drive motor.
US6631986B2 (en) * 1998-12-16 2003-10-14 Silverbrook Research Pty Ltd Printer transport roller with internal drive motor
ES2327742T3 (es) * 2003-12-12 2009-11-03 Wifag Maschinenfabrik Ag Dispositivo de arrastre con rotor externo.
DE102004061669A1 (de) * 2004-12-22 2006-07-13 Man Roland Druckmaschinen Ag Druckmaschinenwalze sowie Druckmaschinenzylinder
DE102006009786A1 (de) * 2006-03-01 2007-09-06 Emag Holding Gmbh Antrieb für eine Schleifspindel
DE102006013636B4 (de) * 2006-03-22 2012-02-09 Siemens Ag Druckmaschine bzw. elektrische Maschine für eine Druckmaschine
US20110299841A1 (en) * 2010-06-05 2011-12-08 Zongfa Cheng Internal Power Driven Automatic Backdrop Apparatus
EP2562102B8 (fr) * 2011-08-23 2014-06-18 Siemens Aktiengesellschaft Installation de transport à bande, son procédé de fonctionnement et d'utilisation
EP3141499A1 (fr) * 2015-09-09 2017-03-15 Siemens Aktiengesellschaft Entrainement pour une installation de transport a bande, procede de montage d'un entrainement sur une installation de transport a bande et transport a bande
CN105922721A (zh) * 2016-06-15 2016-09-07 浙江京华激光科技股份有限公司 一种镭射模压全息版辊

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3608486A (en) * 1969-04-28 1971-09-28 Hoe & Co R Drive means for the inking mechanism of a printing machine
US4665350A (en) * 1986-01-31 1987-05-12 General Motors Corporation Open-loop brushless motor control system
US4930415A (en) * 1988-02-10 1990-06-05 Baldwin-Japan Limited Automatic web guide roller cleaning device
DE3919291C2 (de) * 1988-06-14 1995-07-06 Tokyo Kikai Seisakusho Ltd Bahnvorschubrolle und Antriebssteueranordnung hierfür
DE4138479C3 (de) * 1991-11-22 1998-01-08 Baumueller Nuernberg Gmbh Verfahren und Anordnung für einen Elektromotor zum Antrieb eines Drehkörpers, insbesondere des druckgebenden Zylinders einer Druckmaschine
DE4430693B4 (de) * 1994-08-30 2005-12-22 Man Roland Druckmaschinen Ag Antriebe für eine Rollenrotations-Offsetdruckmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1175300B2 (fr) † 2000-02-18 2010-03-31 Uteco Holding S.P.A. Machine d'impression flexographique rotative a plusieurs couleurs

Also Published As

Publication number Publication date
EP0738591A1 (fr) 1996-10-23
JPH08318612A (ja) 1996-12-03
US5711221A (en) 1998-01-27

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