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    • 3. 发明授权
    • Paper web feed unit used in a rotary press and equipped with a paper web traveling tension controller
    • 用于旋转压机的纸幅进给单元,并配有纸幅行走张力控制器
    • US06321650B1
    • 2001-11-27
    • US09437397
    • 1999-11-10
    • Yukio OgawaMakoto TsunashimaTakanobu SakakuraKazuo Serita
    • Yukio OgawaMakoto TsunashimaTakanobu SakakuraKazuo Serita
    • B41F1356
    • B65H35/02B65H23/042B65H2301/33212B65H2301/4148B65H2801/21
    • In a paper web feed unit of a rotary press, a paper web taken out of a paper roll is longitudinally cut into first and second cut paper webs, which are fed out toward the downstream side by a driven roller of a feed-out mechanism, and only the first cut paper web is passed through an angle bar section for transferring the traveling path of the first cut paper web. The paper web feed unit is equipped with a paper web traveling tension controller which comprises a dancer roller mechanism for independently applying a predetermined pushing pressure to each of the first cut paper web passing through the angle bar section and the second cut paper web not passing through the angle bar section, a detector for detecting the positions of dancer rollers moved in a synchronized manner, and a controller for receiving a detection signal output from the detector and for outputting a control signal to a motor for the driven roller in order to control the rotational frequency of the driven roller to thereby maintain each of the dancer rollers at a constant position.
    • 在旋转压榨机的纸幅供给单元中,从纸卷取出的纸幅被纵向切割成第一和第二切割纸幅,其通过馈送机构的从动辊向下游侧输出, 并且仅第一切割纸幅通过用于传送第一切割纸幅的行进路径的角度条部分。 纸幅供给单元配备有纸幅行进张力控制器,其包括浮动辊机构,用于独立地对通过角杆部分的每个第一切割纸幅施加预定的推压力,并且第二切割纸幅不经过 角杆部分,用于检测以同步方式移动的浮动轮的位置的检测器,以及用于接收从检测器输出的检测信号并将控制信号输出到用于从动辊的电动机的控制器,以便控制 从动辊的旋转频率,从而将每个浮动辊保持在恒定位置。
    • 5. 发明授权
    • Synchronous control system for rotary presses
    • US06539860B2
    • 2003-04-01
    • US09841530
    • 2001-04-24
    • Makoto TsunashimaHideo Kawamori
    • Makoto TsunashimaHideo Kawamori
    • B41F516
    • B41F13/12B41F33/0009
    • In a rotary press intended to perform the synchronous control of driving means with high precision, quickly stabilize rotation, and reduce spoilage caused by phase shifts, comprising a plurality of printing mechanisms in which driving means M rotate N turns while plate cylinders P rotate one turn, so that printing images can be printed on a paper web sequentially passing through each printing mechanism in such a manner that the printing images are matched with a predetermined reference, in which a control section 3 replaces the rotational phase of the plate cylinder with the rotational phase of the driving means M corresponding to that rotational phase so as to match the printing images with a predetermined reference, converts a shift between the rotational phase of the driving means M for matching and the rotational phase of the driving means M in a normal state into the number of outputs of the first pulse signals, set it as a correction value, and obtains a virtual feedback value by shifting the rotational phase of the driving means M by the amount of the correction value, so that control is accomplished by synchronizing the driving reference phase with the virtual feedback phase of the driving means M.
    • 6. 发明授权
    • Cylinder throwing-off/throwing-on controller for a multicolor lithographic rotary press
    • 用于多色平版印刷旋转印刷机的气缸抛出/投掷控制器
    • US06213016B1
    • 2001-04-10
    • US09553467
    • 2000-04-19
    • Makoto Tsunashima
    • Makoto Tsunashima
    • B41F702
    • B41F33/08
    • A cylinder throwing-off/throwing-on controller for a multicolor lithographic rotary press in which paper splicing is performed. The cylinder throwing-off/throwing-in controller comprises a pulse generator for outputting a pulse signal every time the paper web travels a predetermined distance; a cylinder throwing-off timing adjustment unit including a counter and a setting device for setting a target count value in advance, the counter starting in response to the paper splicing signal, counting the pulse signal from the pulse generator, and outputting a cylinder throwing-off signal when the counted value reaches the target count value; a cylinder throwing-on timing adjustment unit provided for each of the printing units, the cylinder throwing-on timing adjustment unit starting in response to the cylinder throwing-off signal and outputting a cylinder throwing-on signal after elapse of a preset period of time; and a cylinder throwing-off/throwing-on mechanism for simultaneously moving the blanket cylinders of the plurality of printing units from the printing position to the non-printing position in response to the cylinder throwing-off signal and for sequentially moving the blanket cylinders of the plurality of printing units from the non-printing position to the printing position in response to the cylinder throwing-on signal, from the furthest-upstream printing unit toward the furthest-downstream printing unit.
    • 用于进行纸拼接的多色平版印刷旋转印刷机的滚筒抛光/投掷控制器。 滚筒抛出/投掷控制器包括脉冲发生器,用于每次纸幅行进预定距离时输出脉冲信号; 滚筒抛出定时调整单元,包括计数器和用于预先设定目标计数值的设定装置,所述计数器响应于所述纸拼接信号而起动,对来自所述脉冲发生器的脉冲信号进行计数, 当计数值达到目标计数值时关闭信号; 针对每个打印单元设置的滚筒投掷定时调整单元,滚筒投入定时调整单元,响应于滚筒抛出信号而启动,并且在经过预设时间段之后输出滚筒投入信号 ; 以及用于响应于滚筒抛出信号同时将多个打印单元的橡皮滚筒从打印位置移动到非打印位置并用于顺序地移动橡皮布滚筒的滚筒抛出/抛出机构 所述多个打印单元响应于所述滚筒投入信号从最上游印刷单元朝向最下游印刷单元从非打印位置到打印位置。