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    • 1. 发明授权
    • Paper web folding and cutting apparatus
    • 纸幅折页机
    • US06669617B1
    • 2003-12-30
    • US09159767
    • 1998-09-24
    • Masahiro SumidaYuichi Yamazaki
    • Masahiro SumidaYuichi Yamazaki
    • B31B114
    • B65H35/08B65H35/10B65H45/107B65H2511/11B65H2513/51B65H2220/01B65H2220/02
    • A paper web folding and cutting apparatus for a form printing machine includes a paper web traveling path which enables a continuous paper web to travel at a predetermined traveling speed. A cut portion forming device is disposed on the paper web traveling path and is adapted to form a cut portion formed in a line of a plurality of cuts. Each line of the cuts has at least one uncut portion, at every top and bottom directional dimension of the continuous paper web to be folded. Also, an oscillatory shooter assembly is disposed on the paper web traveling path on a downstream side of the cut forming means in a paper web traveling direction. The oscillatory shooter assembly is provided with a counter roller and a nozzle roller at a lower end portion thereof. The rollers are rotated at a peripheral speed which is faster than the paper web traveling speed, and the nozzle roller is movable into and out of contact with the counter roller. The oscillatory shooter assembly performs an oscillatory motion in a bilateral direction with the continuous paper web interposed between the nozzle roller and the counter roller so as to fold, in a zigzag fashion, the continuous paper web along the cut portions. According to this structure, the continuous paper web is cut along the cut portions by pressing the nozzle roller against the counter roller at a timing when the cut portion to be cut approaches an upstream side portion of both the nozzle roller and the counter roller.
    • 一种用于成型印刷机的纸幅折页切割装置,其特征在于,包括能够使连续纸幅以预定的行进速度行进的纸幅行进路径。 切割部分形成装置设置在纸幅行进路径上,并且适于形成形成在多个切口的直线上的切割部分。 每条切口具有至少一个未切割部分,在待折叠的连续纸幅的每个顶部和底部方向尺寸。 此外,在纸幅行进路径上,在纸幅行进方向上在切割成形装置的下游侧设置振荡射击组件。 振荡射击组件在其下端部设置有反向辊和喷嘴辊。 辊以比纸幅移动速度快的圆周速度旋转,并且喷嘴辊可移动地与对向辊接触和脱离接触。 振荡射击组件在双向方向上进行振荡运动,其中连续的纸幅介于喷嘴辊和反向辊之间,以锯齿形方式沿着切割部分折叠连续的纸幅。 根据该结构,在被切割部分接近喷嘴辊和对置辊的上游侧部分的时刻,通过将喷嘴辊压靠在对向辊上,沿切割部分切割连续纸幅。