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    • 2. 发明专利
    • Web conveying device and printing machine
    • WEB传输设备和打印机
    • JP2013170046A
    • 2013-09-02
    • JP2012034509
    • 2012-02-20
    • Mitsubishi Heavy Industries Printing & Packaging Machinery Ltd三菱重工印刷紙工機械株式会社
    • AKITA KAZUYANISHIYAMA KOJIYAMAMOTO KUNIHIRO
    • B65H27/00B65H20/02
    • B65H20/02B65H18/28B65H27/00B65H2301/4148B65H2404/187B65H2601/423B65H2801/21
    • PROBLEM TO BE SOLVED: To provide a web conveying device and a printing machine capable of prolonging a durable life by suppressing wear caused by paper dust and stabilizing the conveyance of a web.SOLUTION: A web conveying device includes: a slitter configured to slit a conveyed web along a conveying direction; a first drag roller in rotation-contact with the web and provided at the opposite side of the slitter across the web; a slitting entrance guide roller 42 in rotation-contact with the web and provided at the upstream side of the slitter and the first drag roller in the web conveying direction; a slitting exit guide roller 43 provided at the downstream side of the slitter and the first drag roller in the web conveying direction. The slitting entrance guide roller 42 and the slitting exit guide roller 43 are separately provided with a roller body 53 composed of carbon fiber reinforced plastic, and a metal layer 54 provided at the outer peripheral side of the roller body 53.
    • 要解决的问题:提供一种能够通过抑制由纸粉引起的磨损和稳定纸幅输送而延长耐用寿命的卷筒纸输送装置和印刷机。卷筒纸输送装置包括:分切机, 沿输送方向输送纸幅; 第一牵引辊与卷筒纸旋转接触并设置在穿过卷筒纸的分切机的相对侧; 与卷筒纸旋转接触的纵向入口引导辊42,设置在卷筒纸传送方向上的分切机和第一牵引辊的上游侧; 设置在分切机的下游侧的分切出口引导辊43和沿着纸张输送方向的第一拖曳辊。 分切入口引导辊42和分切出口引导辊43分别设置有由碳纤维增强塑料构成的辊主体53和设置在辊主体53的外周侧的金属层54。