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    • 9. 发明公开
    • YARN WINDING DEVICE
    • 纱线绕线装置
    • EP3312119A1
    • 2018-04-25
    • EP17190815.5
    • 2017-09-13
    • Murata Machinery, Ltd.
    • Jinyama, Tatsuo
    • B65H54/74B65H54/42B65H54/553
    • B65H54/74B65H54/42B65H54/553B65H2701/31
    • A winding unit (2) includes a braking device (53) that includes a braking shoe (75) that brakes a package (100), a chamber (76) that operates the braking shoe, and a changing section (71) that changes a pressure of fluid supplied to the chamber. The changing section includes a first valve (81) arranged between a supply port (84) and the chamber, a second valve (82) arranged between the chamber and an exhaust port (85), and a controlling section (83) that opens and closes the valves independently. The pressure can be increased, decreased, or maintained at a constant value by appropriately operating the first valve and the second valve. Accordingly, the pressure can be adjusted at a given time, and the magnitude of the braking force acting on the package can be changed at a given time.
    • 本发明提供一种卷取单元(2),该卷取单元(2)具有制动装置(53),该制动装置(53)具备对制动器(100)进行制动的制动片(75),对制动片进行操作的腔室(76) 供应到腔室的流体的压力。 该变更部包括:配置在供给口(84)与腔室之间的第一阀(81);配置在腔室与排气口(85)之间的第二阀(82);以及控制部(83) 独立关闭阀门。 通过适当地操作第一阀和第二阀,压力可以增加,减少或保持在恒定值。 因此,可以在给定时间调节压力,并且在给定时间可以改变作用在包装上的制动力的大小。