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JP2007069606A - Printing machine - Google Patents

Printing machine Download PDF

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Publication number
JP2007069606A
JP2007069606A JP2006225638A JP2006225638A JP2007069606A JP 2007069606 A JP2007069606 A JP 2007069606A JP 2006225638 A JP2006225638 A JP 2006225638A JP 2006225638 A JP2006225638 A JP 2006225638A JP 2007069606 A JP2007069606 A JP 2007069606A
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JP
Japan
Prior art keywords
printing
plate cylinder
cylinder
dampening
control device
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JP2006225638A
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JP4339341B2 (en
Inventor
Bernd Lindner
ベルント・リントナー
Holger Wiese
ホルガー・ヴィーゼ
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Manroland AG
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MAN Roland Druckmaschinen AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0054—Devices for controlling dampening
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70—Driving devices associated with particular installations or situations
    • B41P2213/73—Driving devices for multicolour presses
    • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a new printing machine which can realize coupling or synchronization between a forme cylinder and a blanket cylinder of the corresponding printing units and allows a reduction in coupling deviation and the accompanying printing malfunction even in cases of delta-driving of a dampening device. <P>SOLUTION: Respective printing units are provided with the forme cylinder, the blanket cylinder which rotates in contact with the forme cylinder, an impression cylinder which rotates in contact with the blanket cylinder, an inking device having a plurality of ink rollers which rotate in contact with the forme cylinder and the dampening device having a moistening roller which rotates in contact with the forme cylinder. The moistening roller of each dampening device can be driven at a surface velocity different from that of the forme cylinder when each dampening device is delta-operated under a continuous-operation-condition. A direct-connection driving device is arranged in the forme cylinder of each printing unit to drive the forme cylinder by a self-motor. The blanket cylinder, the impression cylinder, the inking device and the dampening device can be driven by a main driving device of the printing machine which has a close- or open-loop controller. The controller controls the direct-connection driving device when each printing unit is operated for continuous printing. The printing machine is thus driven so as to synchronize for the direct-connection driving device with the main driving device. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は請求項１の、おいて書き部分に記載の印刷機に関する。   The present invention relates to a printing machine according to claim 1 and described in a writing part.

従来技術から、すなわち特許文献１より、複数の印刷装置を有してなる枚葉紙印刷機が知られている。この文献に記載の枚葉紙印刷機では、印刷装置のそれぞれが、圧胴と、該圧胴に当接しながら回転するゴム胴と、該ゴム胴に当接しながら回転する版胴と、インキ装置と、湿し装置とを有し、前記インキ装置のインキ着けローラは前記版胴に当接しながら回転し、前記湿し装置の水着けローラも前記版胴に当接しながら回転する。前記文献に記載の枚葉紙印刷機では、印刷装置に設けられた、圧胴と、ゴム胴と、インキ装置と、湿し装置とが、枚葉紙印刷機の主駆動装置によって駆動される。それに対して、印刷装置の版胴には、専用の駆動装置あるいは直結駆動装置が配設されており、これらの駆動装置によって、版胴は印刷機の主駆動装置との連結を解除された状態で専用モータによって駆動される。   From the prior art, that is, from Patent Document 1, a sheet-fed printing machine having a plurality of printing apparatuses is known. In the sheet printing machine described in this document, each of the printing apparatuses includes an impression cylinder, a rubber cylinder that rotates while contacting the impression cylinder, a plate cylinder that rotates while contacting the rubber cylinder, and an inking device. A dampening device, the inking roller of the inking device rotates while abutting the plate cylinder, and the dampening roller of the dampening device also rotates while abutting the plate cylinder. In the sheet printing machine described in the above document, the impression cylinder, the rubber cylinder, the ink apparatus, and the dampening apparatus provided in the printing apparatus are driven by the main drive unit of the sheet printing machine. . On the other hand, the plate cylinder of the printing apparatus is provided with a dedicated drive device or a direct drive device, and the plate cylinder is disconnected from the main drive device of the printing press by these drive devices. It is driven by a dedicated motor.

特許文献１から知られている枚葉紙印刷機において、印刷装置を連続運転する条件のもとで、印刷装置の圧胴と、ゴム胴と、インキ装置と、湿し装置とが、主駆動装置によって駆動され、それに対して、印刷装置の版胴は、それぞれの直結駆動装置によって、主駆動装置と同期した状態で駆動される。この場合、通常はインキ装置のインキ着けローラと、湿し装置の水着けローラは、版胴の表面速度に相当する表面速度で、版胴に当接しながら回転する。同様に、版胴の表面速度は、ゴム胴の表面速度に相当する。   In a sheet-fed printing machine known from Patent Document 1, the main cylinder is driven by the impression cylinder, the rubber cylinder, the ink device, and the dampening device of the printing device under conditions for continuously operating the printing device. On the other hand, the plate cylinder of the printing apparatus is driven in synchronism with the main drive apparatus by each direct drive apparatus. In this case, the inking roller of the inking device and the dampening roller of the dampening device usually rotate while contacting the plate cylinder at a surface speed corresponding to the surface speed of the plate cylinder. Similarly, the surface speed of the plate cylinder corresponds to the surface speed of the rubber cylinder.

前記のような条件のもとで、版胴と同一の表面速度を有している、インキ着けローラと水着けローラが、版胴の延伸溝を通過して回転するとき、通常は、延伸溝を通過することによって印刷結果が損なわれることはない。   Under such conditions, when the ink form roller and the water application roller having the same surface speed as the plate cylinder rotate through the drawing groove of the plate cylinder, usually, the drawing groove The printing result is not impaired by passing through.

従来技術からさらに、連続運転を行う条件のもとで、湿し装置をいわゆるデルタ運転によって駆動することが知られている。デルタ運転では、水着けローラは、版胴とは異なる表面速度を有し、その版胴に当接しながら水着けローラが回転する。デルタ運転によって駆動することができる湿し装置は、デルタ湿し装置とも呼ばれる。版胴と水着けローラは異なる表面速度を有するために、版胴にはトルクが及ぼされる。このトルクは水着けローラが、版胴の延伸溝を通過するとき変化する。このようなトルクの変化により、対応する印刷装置の版胴とゴム胴との間にみられる連動もしくは同期にずれが発生し、このずれによって、印刷すべき印刷画線部に障害が発生することがある。従来技術に関して、今までに、このような現象を考慮に入れた印刷機は知られていない。
欧州特許出願公開第0 812 683号明細書 It is further known from the prior art that the dampening device is driven by so-called delta operation under conditions of continuous operation. In the delta operation, the swim roller has a surface speed different from that of the plate cylinder, and the swim roller rotates while coming into contact with the plate cylinder. A dampening device that can be driven by delta operation is also called a delta dampening device. Since the plate cylinder and the swim roller have different surface speeds, a torque is exerted on the plate cylinder. This torque changes when the swim roller passes through the stretching groove of the plate cylinder. Due to such a change in torque, a shift occurs in the interlock or synchronization seen between the plate cylinder and the rubber cylinder of the corresponding printing apparatus, and this shift causes a trouble in the printed image line portion to be printed. There is. With respect to the prior art, until now no printer has been known that takes such phenomena into account.
European Patent Application No. 0 812 683

上記の事情に鑑み、本発明は新しい種類の印刷機を提供することを課題とする。   In view of the above circumstances, an object of the present invention is to provide a new type of printing machine.

前記の課題は、請求項１に記載の印刷機によって解決される。本発明によれば、連続運転を行うという条件のもとで個々の湿し装置をデルタ運転する際、閉ループ制御装置あるいは開ループ制御装置は、各印刷装置の版胴を制御し、それによって、湿し装置の単一のあるいは各個の水着けローラが各印刷装置の版胴に設けられた延伸溝を通過するとき、それによって版胴にトルクの変化が生じても、版胴が、各印刷装置のゴム胴に対して連動、または同期して駆動されるように、直結駆動装置を駆動するようになっている。   The above-mentioned problem is solved by a printing machine according to claim 1. According to the present invention, when individual dampening devices are delta-operated under the condition of continuous operation, the closed-loop control device or open-loop control device controls the plate cylinder of each printing device, thereby Even if a single or each dampening roller of the dampening device passes through a stretching groove provided in the plate cylinder of each printing device, even if a change in the torque occurs in the plate cylinder, the plate cylinder The direct drive device is driven so as to be driven in conjunction with or in synchronization with the rubber cylinder of the device.

本発明において、対応する湿し装置をデルタ運転する際に、単一のあるいは各個の水着けローラが版胴に設けられた延伸溝を通過することによって発生する、版胴におけるトルクの変化は、閉ループ制御装置あるいは開ループ制御装置によって、版胴の直結駆動装置を相応に制御することによって調整可能である。このような調整を行うために、版胴の直結駆動装置に対する制御信号は衝動的(インパルス的)に変化させられる。単一のあるいは各個の水着けローラが版胴に設けられた延伸溝の移行箇所を通過するとき、対応する版胴の直結駆動装置に対する動作信号は、非連続的もしくは段階的あるいは階段状に変化させられる。このようにして、湿し装置をデルタ運転する際にも、対応する印刷装置の版胴とゴム胴との間に連動もしくは同期を実現することが可能となり、そのため、連動のずれ、およびそれに伴う印刷の不具合を低減させることができる。   In the present invention, when the corresponding dampening device is delta-operated, a change in torque in the plate cylinder caused by a single or each swim roller passing through an extending groove provided in the plate cylinder, Adjustment is possible by correspondingly controlling the direct drive of the plate cylinder by means of a closed loop control device or an open loop control device. In order to make such adjustment, the control signal for the plate cylinder direct drive device is changed in an impulsive manner. When a single or individual swim roller passes through a transition point of a drawing groove provided in the plate cylinder, the operation signal to the direct drive device of the corresponding plate cylinder changes discontinuously or stepwise or stepwise Be made. In this way, even when the dampening device is delta-operated, it becomes possible to realize interlocking or synchronization between the plate cylinder and the rubber cylinder of the corresponding printing apparatus, and accordingly, the interlocking shift and accompanying Printing defects can be reduced.

閉ループ制御装置あるいは開ループ制御装置は、個々の版胴の直結駆動装置を、電流調整、回転数調整、位置調整からなるカスケード制御として好適に制御するが、このとき、湿し装置の、単一のあるいは各個の水着けローラが版胴の延伸溝を通過する際、電流調整装置および／あるいは回転数調整装置および／あるいは位置調整装置に、インパルス状の補償値が供給され、それによって、版胴が、各印刷装置のゴム胴に対して連動、または同期して動作するように駆動される。   The closed loop control device or the open loop control device preferably controls the direct drive device of each plate cylinder as cascade control including current adjustment, rotation speed adjustment, and position adjustment. When each or each of the swim rollers passes through the stretching groove of the plate cylinder, an impulse-like compensation value is supplied to the current adjusting device and / or the rotational speed adjusting device and / or the position adjusting device, whereby the plate cylinder Are driven in synchronism with or in synchronization with the rubber cylinder of each printing apparatus.

本発明の好適な構成によれば、閉ループ制御装置あるいは開ループ制御装置は適応制御装置として形成される。このような適応制御装置は、版胴の直結駆動装置に対する動作信号を変化させるための制御パラメータを自発的に習得する。適応制御装置は、個々の版胴の回転角信号またはその時間による微分から、および、延伸溝を通過することによって生じる、個々の印刷装置の版胴とゴム胴との間の同期制御偏差、または、その時間による微分から、制御パラメータを好適に習得する。   According to a preferred configuration of the invention, the closed-loop control device or the open-loop control device is formed as an adaptive control device. Such an adaptive control device spontaneously learns control parameters for changing the operation signal for the plate cylinder direct drive device. The adaptive control device is the synchronous control deviation between the plate cylinder and the rubber cylinder of the individual printing device, which arises from the rotation angle signal of the individual plate cylinder or its time derivative and by passing through the stretching groove, or The control parameters are preferably acquired from the differentiation by time.

本発明の好適なさらなる構成は、下位の請求項および以下の詳細な説明に記載されている。本発明の実施の形態を、図面に基づいて、より詳細に説明するが、本発明はこの実施の形態に限定されるものではない。   Preferred further configurations of the invention are described in the subclaims and in the detailed description below. An embodiment of the present invention will be described in more detail based on the drawings, but the present invention is not limited to this embodiment.

以下に本発明を図１および図２に関連付けながら、より詳細に説明する。   Hereinafter, the present invention will be described in more detail with reference to FIGS. 1 and 2.

図１は本発明に係る印刷機の印刷装置の、版胴１０と、版胴１０に当接して回転するゴム胴１１の領域、および、同様に版胴１０に当接して回転する、湿し装置の水着けローラ１２の領域とを概略的に示している。より簡略な表示を行う理由から、印刷装置のさらなる構成要素群、すなわち水着けローラ１２と協働する、湿し装置の湿し水配量システム、インキ装置およびゴム胴１１に当接して回転する圧胴は示していない。版胴１０には少なくとも１つの印刷プレートが張設され、単一のあるいは各個の印刷プレートを版胴１０の延伸溝１３に張り込むための相応の緊締装置が設けられている。   FIG. 1 shows a printing apparatus of a printing press according to the present invention, a plate cylinder 10, a region of a rubber cylinder 11 that rotates in contact with the plate cylinder 10, and a dampening that rotates in contact with the plate cylinder 10 as well. The area of the swim roller 12 of the device is schematically shown. For reasons of a simpler display, a further component group of the printing device, ie the dampening water dispensing system of the dampening device, the inking device and the rubber cylinder 11 which cooperates with the dampening roller 12 and rotates. The impression cylinder is not shown. At least one printing plate is stretched on the plate cylinder 10, and a corresponding tightening device for inserting a single or each printing plate into the extending groove 13 of the plate cylinder 10 is provided.

連続印刷を行う条件のもとで、印刷装置のインキ装置と、湿し装置と、ゴム胴と、圧胴とが、印刷機の主駆動装置によって駆動される一方、印刷装置の版胴は版胴に配設された専用駆動装置あるいは直結駆動装置を介して、独自に、かつ、主駆動装置から連結解除された状態で駆動可能である。   Under the conditions for continuous printing, the inking device, dampening device, rubber cylinder, and impression cylinder of the printing apparatus are driven by the main drive unit of the printing machine, while the printing cylinder of the printing apparatus is a plate. It can be driven independently and from the main drive device via a dedicated drive device or a direct drive device arranged on the cylinder.

連続印刷を行う条件のもとで、版胴は対応する直結駆動装置によって、ゴム胴に対するとともに印刷機の主駆動装置に対して、同期あるいは連動するように駆動され、版胴とゴム胴との間、または、版胴の直結駆動装置と印刷機の主駆動装置との間の同期もしくは連動が制御される。   Under the conditions for continuous printing, the plate cylinder is driven by the corresponding direct drive device to synchronize or interlock with the rubber cylinder and the main drive unit of the printing press. Or synchronization or interlocking between the direct drive device of the plate cylinder and the main drive device of the printing press is controlled.

図２は前記のような版胴１０の直結駆動装置１４を概略的に示している。この直結駆動装置は版胴１０の軸１５を駆動する。さらに、ゴム胴１１の軸１６も示されており、図に示されていない印刷機の主駆動装置がゴム胴の軸を駆動する。版胴１０およびゴム胴１１の位置または角度位置は、対応する変換器あるいはセンサ１７または１８を用いて監視することができる。このときセンサ１７および１８の計測信号１９または２０から、版胴１０とゴム胴１１との間の同期制御偏差２１が計算され、この同期制御偏差に基づいて、制御装置２２が版胴１０の直結駆動装置１４のための動作信号２３を発生させ、その結果、同期制御偏差２１はゼロの値を取るようになる。すなわち、版胴１０はゴム胴１１に対して同期するように駆動される。同期制御偏差２１は制限誤差とも呼ばれる。   FIG. 2 schematically shows the direct drive device 14 of the plate cylinder 10 as described above. This direct drive device drives the shaft 15 of the plate cylinder 10. Furthermore, the shaft 16 of the rubber cylinder 11 is also shown, and the main drive of the printing press, not shown in the figure, drives the shaft of the rubber cylinder. The position or angular position of the plate cylinder 10 and rubber cylinder 11 can be monitored using corresponding transducers or sensors 17 or 18. At this time, a synchronization control deviation 21 between the plate cylinder 10 and the rubber cylinder 11 is calculated from the measurement signals 19 or 20 of the sensors 17 and 18, and the control device 22 is directly connected to the plate cylinder 10 based on the synchronization control deviation. The operation signal 23 for the drive device 14 is generated, and as a result, the synchronous control deviation 21 takes a value of zero. That is, the plate cylinder 10 is driven to synchronize with the rubber cylinder 11. The synchronization control deviation 21 is also called a limit error.

印刷機の湿し装置のいわゆるデルタ運転においては、対応する湿し装置の水着けローラ１２は対応する印刷装置の版胴１０に当接しながら回転し、それによって、対応する印刷装置の水着けローラ１２と版胴１０とは、異なる表面速度を有するようになる。このため、個々の版胴１０にはトルクが及ぼされるが、このトルクは、水着けローラ１２が版胴１０の延伸溝１３を通過する際に、作用しなくなる。このような中断によって版胴１０とゴム胴１１との間の同期または連動が損なわれ、同期制御偏差２１が形成される。   In the so-called delta operation of the dampening device of the printing press, the corresponding dampening device swim roller 12 rotates against the plate cylinder 10 of the corresponding printing device and thereby the corresponding dampening roller of the printing device. 12 and the plate cylinder 10 have different surface velocities. For this reason, torque is exerted on each plate cylinder 10, but this torque does not work when the swim roller 12 passes through the extending groove 13 of the plate cylinder 10. By such interruption, synchronization or interlocking between the plate cylinder 10 and the rubber cylinder 11 is lost, and a synchronization control deviation 21 is formed.

本発明によれば、個々の湿し装置をデルタ運転する際、制御装置２２は対応する印刷装置の版胴１０の直結駆動装置１４を制御し、それによって、個々の水着けローラ１２が版胴１０の延伸溝１３を通過する際、そのような通過によって版胴１０にトルクの変化が発生するにもかかわらず、版胴を個々の印刷装置のゴム胴１１に対して同期し、したがって連動するように駆動する。このように、湿し装置をデルタ運転する場合、個々の印刷装置の版胴１０とゴム胴１１との間の同期制御偏差２１が回避され、それとともに印刷画線部の障害も防止することができる。   In accordance with the present invention, when the individual dampening devices are delta operated, the controller 22 controls the direct drive 14 of the plate cylinder 10 of the corresponding printing device so that the individual swim rollers 12 are moved to the plate cylinder. When passing through the ten extending grooves 13, the plate cylinder is synchronized with and thus interlocked with the rubber cylinder 11 of the individual printing device, despite the torque change occurring in the plate cylinder 10 due to such passage. To drive. In this way, when the dampening device is operated in delta, the synchronization control deviation 21 between the plate cylinder 10 and the rubber cylinder 11 of each printing apparatus can be avoided, and at the same time, the failure of the print image area can be prevented. it can.

本発明によれば、版胴１０の直結駆動装置１４は、前記のような障害を防止するために制御され、水着けローラ１２が、版胴１０に設けられた延伸溝移行部２４または２５を通過する際、制御装置２２が直結駆動装置１４のための動作信号２３を非連続的に、または段階的に変化させるようになっている。このとき、２つの延伸溝移行部２４および２５において、動作信号２３は逆方向に調整される。すなわち、延伸溝移行部２５を通過する際に動作信号２３が段階的に上昇するならば、その後、延伸溝移行部２４を通過する際には、動作信号２３は段階的に低下する。それに対して、延伸溝移行部２５を通過する際に動作信号２３が段階的に低下するならば、延伸溝移行部２４を通過する際には動作信号は段階的に上昇する。   According to the present invention, the direct drive device 14 of the plate cylinder 10 is controlled to prevent the above-described failure, and the swim roller 12 moves the extending groove transition portion 24 or 25 provided in the plate cylinder 10. When passing, the control device 22 changes the operation signal 23 for the direct drive device 14 discontinuously or stepwise. At this time, the operation signal 23 is adjusted in the opposite direction in the two extending groove transition portions 24 and 25. That is, if the operation signal 23 increases stepwise when passing through the extending groove transition portion 25, then the operation signal 23 decreases stepwise when passing through the extending groove transition portion 24. On the other hand, if the operation signal 23 decreases stepwise when passing through the extending groove transition portion 25, the operation signal increases stepwise when passing through the extending groove transition portion 24.

制御装置２２は直結駆動装置１４の制御を、電流調整、回転数調整、位置調整からなるカスケード制御を介して実現する。湿し装置の水着けローラ１２が、対応する印刷装置の版胴１０の延伸溝１３を通過する際に、電流調整装置および／あるいは回転数調整装置および／あるいは位置調整装置に、インパルス状の補償値が供給され、それによって、版胴１０が、ゴム胴１１に対して同期または連動するように駆動される。   The control device 22 realizes control of the direct drive device 14 through cascade control including current adjustment, rotation speed adjustment, and position adjustment. When the wet roller 12 of the dampening device passes through the stretching groove 13 of the plate cylinder 10 of the corresponding printing device, the current adjusting device and / or the rotational speed adjusting device and / or the position adjusting device has an impulse-like compensation. A value is supplied, thereby driving the plate cylinder 10 to synchronize or interlock with the rubber cylinder 11.

前記のようなインパルス状の補償値を供給するために、図２に示す実施の形態では、制御装置２２に、センサ１７によって発生させられる、版胴１０の回転角度位置に関する計測信号１９が供給され、この計測信号に基づいてインパルス状の補償値の供給が行われたり、止められたりする。このようにして延伸溝１３の通過は、常に版胴１０の回転角度位置が等しい状態で行われる。   In order to supply the impulse-shaped compensation value as described above, in the embodiment shown in FIG. 2, the control device 22 is supplied with a measurement signal 19 generated by the sensor 17 relating to the rotational angle position of the plate cylinder 10. Based on this measurement signal, the supply of the impulse compensation value is performed or stopped. In this way, the passage through the extending groove 13 is always performed with the rotational angle position of the plate cylinder 10 being equal.

したがって本発明は以下のような知見に基づくものである。すなわち、湿し装置をデルタ運転するとき、水着けローラ１２が延伸溝１３を通過することによって発生する版胴１０におけるトルクの変化は、版胴１０の回転ごとにほぼ一定であり、版胴の回転角度位置が等しくなるとき常に生ずる。したがって、制御装置２２は版胴１０の回転角度位置に応じて動作信号２３を衝動的(インパルス的)に変化させ、延伸溝１３を通過する際に発生する版胴１０におけるトルクの変化に対抗するように作用し、版胴１０とゴム胴１１との同期を実現する。   Therefore, the present invention is based on the following knowledge. That is, when the dampening device is delta-operated, the change in torque in the plate cylinder 10 caused by the swim roller 12 passing through the stretching groove 13 is almost constant with each rotation of the plate cylinder 10. Occurs whenever the rotational angular positions are equal. Therefore, the control device 22 changes the operation signal 23 in an impulsive manner according to the rotational angle position of the plate cylinder 10 to counter the torque change in the plate cylinder 10 that occurs when passing through the extending groove 13. The plate cylinder 10 and the rubber cylinder 11 are synchronized with each other.

本発明の好適な構成によれば、制御装置２２は適応制御装置として形成され、この適応制御装置には対応する学習モジュール２６が配設されている。学習モジュール２６においては、版胴１０の直結駆動装置１４のための動作信号２３を変化させるための制御パラメータが自動的に習得されるので、湿し装置をデルタ運転するとき、水着けローラ１２が版胴１０の延伸溝１３を通過する際にも、版胴１０とゴム胴１１との連動あるいは同期が実現される。このために、学習モジュール２６には、入力値としてセンサ１７の計測信号１９、すなわち版胴１０の回転角度位置が供給されるとともに、同期制御偏差２１が供給される。これらの入力値および／あるいはこれらの入力値の時間による微分から、学習モジュール２６は、動作信号２３を衝動的(インパルス的)に変化させるための制御パラメータを自動的に習得し、学習モジュール２６は、これらの習得された制御パラメータを出力値２７として制御装置２２に伝送する。   According to a preferred configuration of the invention, the control device 22 is formed as an adaptive control device, in which a corresponding learning module 26 is arranged. In the learning module 26, control parameters for changing the operation signal 23 for the direct drive device 14 of the plate cylinder 10 are automatically learned, so that when the dampening device is operated in delta, the swim roller 12 When passing through the extending groove 13 of the plate cylinder 10, interlocking or synchronization between the plate cylinder 10 and the rubber cylinder 11 is realized. For this purpose, the learning module 26 is supplied with the measurement signal 19 of the sensor 17, that is, the rotational angle position of the plate cylinder 10 as an input value, and with the synchronization control deviation 21. From these input values and / or differentiation of these input values with time, the learning module 26 automatically learns control parameters for changing the operation signal 23 in an impulsive manner, and the learning module 26 These acquired control parameters are transmitted as an output value 27 to the control device 22.

制御装置２２を適応制御装置として形成する場合、動作信号２３を適応させるためのさらなる影響要因を考慮することができる。これらの影響要因は印刷モードを通じて変化する場合もある。これらの影響要因は、たとえば版胴１０に張設された印刷プレート上の湿し剤の量および印刷インキの量、あるいは水着けローラ１２を版胴１０に押しつける圧力および、それとともに水着けローラ１２が版胴１０に当接する際の硬さなどである。   When the control device 22 is formed as an adaptive control device, further influence factors for adapting the operating signal 23 can be taken into account. These influencing factors may change throughout the print mode. These influencing factors are, for example, the amount of dampening agent and the amount of printing ink on the printing plate stretched on the plate cylinder 10, or the pressure that presses the water roller 12 against the plate cylinder 10, and the water roller 12 together therewith. Is the hardness at the time of contact with the plate cylinder 10.

本発明のさらなる構成によれば、印刷に関与するすべての印刷装置の同期制御偏差から、印刷機の主駆動装置および／あるいは版胴の直結駆動装置のためのさらなる動作信号を発生することができる。このような動作信号の発生は、印刷機のための振動補償を実現する目的で行われるものである。このために、印刷装置の同期制御偏差が印刷機の振動挙動と比較され、上位の制御装置がこれらの値から、印刷機の主駆動装置および／あるいは印刷機の印刷装置の版胴の直結駆動装置のための動作信号を発生させ、最終的に印刷機の振動を補償する。   According to a further configuration of the invention, further operating signals for the main drive device of the printing press and / or the direct drive device of the plate cylinder can be generated from the synchronous control deviation of all the printing devices involved in printing. . Generation of such an operation signal is performed for the purpose of realizing vibration compensation for the printing press. For this purpose, the synchronous control deviation of the printing device is compared with the vibration behavior of the printing press, and the higher-level control device determines from these values the direct drive of the main cylinder of the printing press and / or the plate cylinder of the printing device of the printing press. Generates an operating signal for the device and ultimately compensates for printing press vibration.

印刷機の印刷装置の部分概略図である。It is the partial schematic diagram of the printing apparatus of a printing machine. 本発明に係る印刷機の印刷装置の制御を示すブロック図である。It is a block diagram which shows control of the printing apparatus of the printing press which concerns on this invention.

符号の説明Explanation of symbols

１０ 版胴
１１ ゴム胴
１２ 水着けローラ
１３ 延伸溝
１４ 直結駆動装置
１５,１６ 軸
１７,１８ センサ
１９,２０ 測定値
２１ 同期制御偏差
２２ 制御装置
２３ 動作信号
２４,２５ 延伸溝移行部
２６ 学習モジュール
２７ 出力値
DESCRIPTION OF SYMBOLS 10 Plate cylinder 11 Rubber cylinder 12 Swim roller 13 Stretching groove 14 Direct drive unit 15,16 Shaft 17,18 Sensor 19,20 Measurement value 21 Synchronous control deviation 22 Controller 23 Operation signal 24,25 Stretching groove transition part 26 Learning module 27 Output value

Claims (6)

複数の印刷装置を有してなる印刷機、特に枚葉紙印刷機であって、前記印刷機において印刷装置のそれぞれが、版胴と、該版胴に当接しながら回転するゴム胴と、該ゴム胴に当接しながら回転する圧胴と、前記版胴に当接しながら回転する少なくとも１つのインキ着けローラを有してなるインキ装置と、前記版胴に当接しながら回転する少なくとも１つの水着けローラを有してなる湿し装置と、を有し、
各湿し装置の単一のあるいは各個の水着けローラは、連続運転が行われる条件のもとで、前記各湿し装置がデルタ運転されるとき、前記版胴と異なる表面速度で駆動可能であり、各印刷装置の前記版胴には、該版胴を独自のモータで駆動するために、直結駆動装置が配設されており、
各印刷装置の前記ゴム胴と、前記圧胴と、前記インキ装置と、前記湿し装置とは、前記印刷機の主駆動装置によって駆動可能であり、
前記印刷機はまた、閉ループ制御装置あるいは開ループ制御装置を有し、該制御装置は、前記各印刷装置が連続印刷運転されるとき、前記印刷装置の前記直結駆動装置を制御し、それによって前記直結駆動装置が前記主駆動装置に対して同期するように駆動される印刷機において、
前記閉ループ制御装置あるいは開ループ制御装置は、連続運転が行われる条件のもとで、前記各湿し装置がデルタ運転されるとき、前記各印刷装置の前記版胴の前記直結駆動装置を制御し、それによって、前記湿し装置の単一のあるいは各個の水着けローラが、前記各印刷装置の前記版胴に設けられた延伸溝を通過する際に、該通過によって前記版胴にトルクの変化が発生するにもかかわらず、前記直結駆動装置は前記版胴を前記各印刷装置の前記ゴム胴に対して連動あるいは同期するように駆動することを特徴とする印刷機。 A printing machine having a plurality of printing apparatuses, particularly a sheet-fed printing machine, in which each of the printing apparatuses includes a plate cylinder, a rubber cylinder that rotates while contacting the plate cylinder, An inking device having an impression cylinder that rotates while abutting against a rubber cylinder, at least one ink form roller that rotates while abutting against the plate cylinder, and at least one swimsuit that rotates while abutting against the plate cylinder A dampening device comprising a roller, and
Each dampening roller of each dampening device can be driven at a surface speed different from that of the plate cylinder when each dampening device is operated in delta under the condition that continuous operation is performed. Yes, the plate cylinder of each printing apparatus is provided with a direct drive device for driving the plate cylinder with its own motor,
The rubber cylinder, the impression cylinder, the inking device, and the dampening device of each printing device can be driven by a main drive device of the printing press,
The printing machine also includes a closed-loop control device or an open-loop control device, which controls the direct drive device of the printing device when the printing devices are operated for continuous printing, thereby In a printing machine in which a direct drive device is driven to be synchronized with the main drive device,
The closed loop control device or the open loop control device controls the direct drive device of the plate cylinder of each printing device when each of the dampening devices is operated in delta under the condition that continuous operation is performed. Thus, when a single or each of the dampening rollers of the dampening device passes through the extending groove provided in the plate cylinder of each of the printing devices, a change in torque occurs in the plate cylinder by the passage. In spite of the above, the direct drive device drives the plate cylinder so as to interlock or synchronize with the rubber cylinder of each printing apparatus. 前記閉ループ制御装置あるいは開ループ制御装置は、単一のあるいは各個の水着けローラが前記版胴の延伸溝移行部を通過する際に、前記版胴の前記直結駆動装置のための動作信号を非連続的にあるいは段階的に変化させることを特徴とする請求項１に記載の印刷機。   The closed-loop control device or the open-loop control device does not transmit an operation signal for the direct drive device of the plate cylinder when a single or each swim roller passes through the extending groove transition portion of the plate cylinder. 2. The printing press according to claim 1, wherein the printing press is changed continuously or stepwise. 前記閉ループ制御装置あるいは開ループ制御装置は適応制御装置として形成され、該適応制御装置は、前記版胴の前記直結駆動装置のための動作信号を変化させるための制御パラメータを自動的に習得することを特徴とする請求項１または請求項２に記載の印刷機。   The closed-loop control device or the open-loop control device is formed as an adaptive control device, and the adaptive control device automatically learns control parameters for changing an operation signal for the direct drive device of the plate cylinder. The printing machine according to claim 1 or 2, characterized by the above-mentioned. 前記適応制御装置は、前記制御パラメータを、前記各版胴の回転角度信号および前記延伸溝を通過することによって生じる、前記各印刷装置の前記版胴と前記ゴム胴との間の同期制御偏差および／あるいはこれらの信号の時間による微分から習得することを特徴とする請求項３に記載の印刷機。   The adaptive control device includes the control parameter, the rotation angle signal of each plate cylinder and the synchronous control deviation between the plate cylinder and the rubber cylinder of each printing device caused by passing through the extending groove and 4. The printing press according to claim 3, wherein the printing is learned from time differentiation of these signals. 前記閉ループ制御装置あるいは開ループ制御装置は、前記版胴の前記直結駆動装置を、電流調整、回転数調整、位置調整からなるカスケード制御として閉ループ制御あるいは開ループ制御し、前記湿し装置の単一のあるいは各個の水着けローラが、前記版胴の延伸溝を通過する際に、電流調整装置および／あるいは回転数調整装置および／あるいは位置調整装置に、インパルス状の補償値が供給され、それによって前記版胴を、前記各印刷装置の前記ゴム胴に対して連動または同期するように駆動することを特徴とする請求項１ないし請求項４のいずれか１項に記載の印刷機。   The closed loop control device or the open loop control device performs a closed loop control or an open loop control as a cascade control including a current adjustment, a rotation speed adjustment, and a position adjustment for the direct drive device of the plate cylinder. When each or each of the swim rollers passes through the stretching groove of the plate cylinder, an impulse-like compensation value is supplied to the current adjusting device and / or the rotational speed adjusting device and / or the position adjusting device, thereby The printing press according to any one of claims 1 to 4, wherein the plate cylinder is driven so as to be interlocked or synchronized with the rubber cylinder of each printing apparatus. 前記閉ループ制御装置あるいは開ループ制御装置は、印刷に関与するすべての印刷装置の前記版胴と前記ゴム胴との間の同期制御偏差から、前記主駆動装置および／あるいは前記版胴の前記直結駆動装置のための動作信号を発生させ、それによって、前記印刷機の振動を最小限にするか、または、補償することが可能であることを特徴とする請求項１ないし請求項５のいずれか１項に記載の印刷機。
The closed-loop control device or the open-loop control device is configured to detect the main drive device and / or the direct drive of the plate cylinder from a synchronous control deviation between the plate cylinder and the rubber cylinder of all printing apparatuses involved in printing. 6. An operating signal for the apparatus can be generated, whereby vibrations of the printing press can be minimized or compensated. The printing machine as described in the paragraph.
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US11241876B2 (en) 2016-08-23 2022-02-08 B&R Industrial Automation GmbH Method for controlling the drive of a machine

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EP1759839A2 (en) 2007-03-07

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