• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A multicolour rotary sheet printing machine comprises a plurality of printing units drivingly coupled by a wheel train. Drive means (15) extends alongside the wheel train and a mechanical oscillation filter (19) is connected between the drive means (15) at at least two input locations and respective printing units. The oscillation filter (19) may be a torsion bar (20) or other resilient coupling arranger between the force input point or its epicyclic gear arrangement and the impression cylinder 5. <IMAGE>
    公开号:SU1050891A1
    申请号:SU797770949
    申请日:1979-11-30
    公开日:1983-10-30
    发明作者:Вильгельм Веге；Хельмут Шене；Ханс Йоне；Херберт Долинер；Арндт Йентцш；Виктор Хеффтлер；Йоханнес Беттгер；Хорст Хенкенхаф；Хорст Кессельринг
    申请人:Феб Комбинат Полиграф (Инопредприятие)；
    IPC主号:
    专利说明:

    The invention relates to a drive of multi-color rotary sheet-fed printing machines, in which the printing sections are connected to one another with a closed driven kinematic chain connected through at least two places of power supply, performing the power distribution function, with a parallel driving kinematic chain. Multicolor rotary sheet drives are known. printing machines with a sequential arrangement of printing units, connected one by one with another closed driven kinematic chain and driven from By the engine of the main drive shaft through planetary gears, each of which is subordinated to one printing unit, and the planetary gears are made with a different gear ratio. These planetary gears achieve a distribution of power across individual printing units such that in a closed driven kinematic chain connecting the printing units one to another, the teeth are always in the same direction, which is an essential condition for accurate register printing ( Italian patent application 678,281). . . The disadvantage of such drives is that, despite the unambiguously determined contact of the teeth, oscillations resulting from unavoidable engagement errors or as a result of rotation, shafts and wheels are transmitted to the cylinders. As a result, if the printing machine is considered as a multi-mass system, torsional movements occur between individual masses, i.e. cylinders and drums. These motion fluctuations lead to inconsistency in the transfer of sheets between the cylinders, as well as to the possibility due to inconsistency in the application of paint. Interference oscillations are especially unfavorable when the excitation frequencies and the natural frequencies of the printing machine are equal in certain areas of the number of revolutions, i.e. in the case of resonance. Drivers of multicolor rotary sheet printing machines are also known by sequential arrangement of printing sections driven through a closed driven kinematic chain, which is connected to at least two power supply points with a leading kinematic chain driven by a motor, and in the presence of power supply points there is n-1 torque limiters in the driving kinematic chain or else torque limitation c. The n-1 places of the power supply are reached by the elastic connection between the driven and the leading. chains, i.e. by means of compression springs: By means of the p-1 torque limiters, such a distribution of power is achieved over individual printing sections that in a closed driven kinematic chain connecting the printing sections one with another, the teeth are always in contact in the same direction and, thus , essential condition for printing with accurate register (description of the invention to the GDR patent 112 389). Such actuators have the same drawbacks as the actuators according to the Italian patent 6,78281, since always in one place the transfer of force from the driving kinematic chain to the driven one is carried out without a soft connection, since only n-1 torque limiters are provided rotation The purpose of the invention is to find a drive, which helps avoid inconsistency when transferring printed sheets and applying ink. The object of the invention is to find the drive, made in order to ensure that oscillations resulting from unavoidable engagement errors or rotation of the shafts and wheels are not transmitted to the cylinders. According to the invention, the problem is solved by the fact that an oscillation filter is located between each power supply point and the driven kinematic chain. The vibration filter is made in the form of a torsion or elastic coupling. The torsions of the individual power places have different constant elasticities. The dimensions of the oscillation filters are chosen so that all oscillations with a frequency above 1 Hz are suppressed. FIG. I schematically shows the drive of a multi-color rotary sheet-fed printing machine; in fig. 2 - drive of the seal. Section with oscillation filter; FIG. 3 shows a constructive embodiment of a solution according to the invention. The most important and relevant elements for the invention of the printing press according to FIG. 1 are drawn in accordance with the passage of the sheets. The sheets laid in the feeder 1 are guided through the discharge table 2, the rocking forgrafer 3 and the overlay drum 4 onto the printing cylinder 5 of the first printing unit. Using an inking machine (not shown) the ink is applied through the plate cylinder 7 and the blanket cylinder 6 onto a sheet located on the printing cylinder 5. With the aid of the pre-cylinder 8, the sheet is transported in succession to the subsequent printing cylinder 5, with further paint being applied. The sheet is then guided by the lead cylinder 10 to the terminal 9 and laid there on the foot 11. The sheets are transferred from swinging the ax of the forreyrafer 3 to the lead cylinder 10 by hooks that are located on the printing cylinders 5, cylinders 4 and 8 and the lead cylinder 10. Print quality depends mainly on the accuracy of sheet transfer, therefore it is necessary that the teeth of gear wheels 36 and 40 of cylinders 4 and 8, lead cylinder 10 and printing cylinders 5, which represent the so-called closed driven kinematic chain 12, always abut one another. m and .tom same direction, i.e. there should be no contact with the opposite side of the tooth profile or out of contact with the interacting tooth. This is achieved by the so-called synchronizers. These synchronizers are in the present embodiment the planetary gears 13 located in the driving kinematic chain 14, which consists mainly of the main shaft 15 and the planetary gears 13.
    The main shaft 15 consists of several sections and is driven into rotation, through a wedge pulley, 16 from the engine (not shown). In the first power supply location 17, the first planetary gear 13 communicates a certain power share through the first reduction stage 18 to the first printing cylinder 5. In the same way, the power share of the second and third printing cylinders 5 in the second and third power supply locations 17 is reported, while power is transmitted to the last printing cylinder 5 in the fourth place 17 for supplying power without intermediate switching on the planetary gear 13. The gear ratios of the planetary gears 13 are different, namely, then in the first place the power supply 17 is transmitted to the excess power that is not consumed in the printing unit. This excess, transmitted through the entire print mask with the help of a driven kinematic chain 12 connecting the printing cylinders 5, the transfer cylinder 8 and the discharge cylinder 10 with each other, always ensures the unidirectional contact of the teeth of all these gears. Details are given in the patent specification 678,281.
    All cogwheels, shafts and supports, despite the maximum thoroughness of manufacturing, have the inevitable error of geometry. This irregularity is the causative agent of oscillations that serve to wrap the sheets and transfer paint to the cylinders 5, 6, 7, 8 and 10. As a result of these torsional oscillations swinging in the resonance region, asynchronous movements of these cylinders occur, causing an error in the transfer of the paint and a violation of paint application. In order to suppress these vibrational oscillations, in each place of power supply, oscillation filters 19 between reduction stage 18 and printing cylinder 5 include gear wheels 36 of the driven kinematic chain 12 fixed on printing cylinders 5
    connected to printing cylinders 5, it can be said that the oscillation filters 19 are located between each of the power supply locations 17 and the driven kinematic chain 12.
    In a variant of the drive. {FIG. 2 and 3) the vibration filter 19 is designed as a torsion 20. In contrast to the one shown in FIG. 1 form the reduction stage 18 is not made in the form of a cylindrical gear transfer with
    a worm gear pair, and made in the form of a step consisting of a cylindrical gear, a conical pair, and a cylindrical gear.
    On the main shaft .15, the first cylindrical wheel 21 is fixed, located in
    5 are engaged with the planetary wheels 22, which are located on the planetary shafts 23. On the planetary shafts 23 there are also planetary gears 24 which are in engagement with the second central
    - wheel 25. The second central wheel 25 is located on the central shaft 39 connected via a coupling 26 to the next section of the main shaft 15. The planetary shafts 23 are rotatably mounted in a drive 27, on which is mounted a cylindrical gear 28, which engages with a cylindrical gear wheel 29. A cylindrical gear wheel 29 is connected via a pair of bevel gears 30 to a gear wheel of a cylinder 31. which is engaged with the drive wheel 32.
    0 The drive wheel 32 is connected by a geometric closure to the torsio-20, the tip 33 of which is connected to the pipe 34, the pipe 34 is connected to the neck of the axis 35 of the printing cylinder 5. The connection between the driving wheel 32, the torsion bar 20, pipe 34
    5 and the neck of the shaft 35 is configured such that the entire length of the torsion bar 20 is used for its function as a vibration filter 19.
    The invention allows for the possibility of providing a connection between torsi, onom 20
    0 and the printing cylinder 5 on the opposite side of the axis 35 of the printing cylinder 5, which allows the torso 20 to be polished longer, as a result of which it acts m g. what .. -
    5 The axle neck 35 is rigidly connected to a central hydraulics gear 36, which is associated with the driven kinematic chain 12 and meshes with the cylindrical gear 40 of the transfer cylinder 8, which also belongs to the high kinematic chain 12.
    As a fuse from overload, in particular for starting and braking the printing press, on the drive wheel 32 are located the leashes 37, which, mutually, act with the stops 38 installed on the pipe.
    The principle of operation is as follows.
    The main shaft 15 is rotated by the engine; the 5th, in this case, the planetary gear 13, consisting of the first central wheel 21, the planetary wheels 22, the planetary gears 24, the second central wheel 25 and the carrier 27, attempts to bring the central shaft 39 into rotation. shaft 39, however, can only take that number of revolutions, which (feddetermined by the gear ratio of the corresponding successive printing cylinders 5, i.e., through the driven kinematic chain 12, the carrier 27 rotates, and in a planetary gear The e13 torques are distributed in accordance with the gear ratio between the carrier 27 and the central shaft 39. With the help of spur gears 28 and 29, a pair of bevel gear gears 30 and spur gears 31 and 32, the torque of the carrier 27 is transmitted to the torsion bar. 20. After the elastic deformation of the torsion bar 20, the rotational movement and the moment of rotation are transmitted through the tube 34 to the neck of the axis 35 and therefore to the printed
    cylinder 5. Based on the differentiated power supply in separate places -17 of the power supply, the sizes of the torsions 20 are chosen different. The excess power supplied to the first printing unit through the gear wheel of the cylinder 36 rigidly connected to the neck 35 of the cylinder 36 is transmitted to the next printing section and ensures reliable contact of the teeth. The transfer of excess power continues through the entire printing machine.
    The dimensions of the torsions are chosen so that they suppress oscillations with a frequency higher than 1 Hz, therefore the disturbances emanating from the leading kinematic target 14 cannot be transmitted to the cylinders and drums. In this way, it is possible to apply an accurate register paint without rinsing. Torsion bar 20 is included in the kinematic scheme after each place 17 power supply.
    It is recognized as an invention according to the results of the examination carried out by the Office of. The invention of the German Democracy. Republic of
    "
    权利要求:
    Claims (5)
    [1]
    1. MULTI-COLOR DRIVE
    NEW ROTARY SHEET PRINTING MACHINES, in which the printing sections are interconnected by a closed driven kinematic chain, which at least through two places of power supply, performing the function of power distribution, connected to the leading kinematic circuit passing in parallel with the driven kinematic chain, characterized in that between each of the NC places 17 of the power supply and the driven kinematic chain 12 is an oscillation filter 19.
    [2]
    2. Drive · by π. 1, characterized in that the filter 19 of the oscillations is made in the form of a torsion 20. "·.
    [3]
    3. The drive according to claim 2, characterized in that the torsion bars 20 of the individual places 17 of the power supply have different elastic constants ..
    [4]
    4. Drive on π. 1, characterized in that the oscillation filters 19 are designed so that oscillations with a frequency above 1 Hz are suppressed ..,
    [5]
    5. Drive on π. 1, distinguished by the fact that the filter 19 of the oscillations of the elastic coupling.
    made in the form / 7>
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    同族专利:
    公开号 | 公开日
    SE442103B|1985-12-02|
    GB2038717B|1983-01-19|
    SE8000047L|1980-07-05|
    DD140224A1|1980-02-20|
    CH644305A5|1984-07-31|
    DE2948412A1|1980-07-17|
    CS225355B1|1984-02-13|
    GB2038717A|1980-07-30|
    DE2948412C2|1988-04-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE4222514A1|1992-07-09|1994-01-13|Heidelberger Druckmasch Ag|Double gear train for printing machine - incorporates couplings between end gears of train to take up backlash|DE6600498U|1966-05-04|1969-01-23|Maschinenfabrik Augsburg Nuernberg Ag|DRIVE FOR THE PLATE CYLINDER OF ROTARY PRINTING MACHINES|
    SE7409087L|1973-08-09|1975-02-10|Heidelberger Druckmasch Ag|
    DE2402101C3|1974-01-17|1978-09-14|Maschinenfabrik Augsburg-Nuernberg Ag, 8900 Augsburg|Device for connecting the form cylinder of a rotary printing press to its drive shaft|
    DD116427A1|1974-09-16|1975-11-20|
    DE2707035C2|1977-02-18|1986-03-20|M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg|Device for transferring sheets in register between printing units|DD159862A1|1981-06-24|1983-04-13|Herbert Doliner|DRIVE IN BOW ROTARY PRINTING MACHINES|
    DD204885A1|1982-05-05|1983-12-14|Peter Straube|DRIVE ARRANGEMENT FOR PRINTING MACHINES|
    DE3540645C2|1985-11-15|1987-11-26|Koenig & Bauer Ag, 8700 Wuerzburg, De|
    DE4241807A1|1992-12-11|1994-06-16|Heidelberger Druckmasch Ag|Drive for a printing press|
    DE19512865C2|1995-04-06|2001-05-31|Koenig & Bauer Ag|Drive for convertible perfecting and reverse printing sheet-fed rotary presses|
    DE19914627B4|1999-03-31|2011-05-12|Heidelberger Druckmaschinen Ag|Method and device for compensating the torsional vibrations of a printing machine|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DD21032279A|DD140224A1|1979-01-04|1979-01-04|DRIVE FOR MULTICOLOUR ROTATION PRINTING MACHINES|
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