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    • 1. 发明授权
    • Open-end spinning machine and a method of restarting the same
    • 开放式纺纱机及其重启方法
    • US4109450A
    • 1978-08-29
    • US788283
    • 1977-04-18
    • Yoshiaki YoshidaOsamu SuzukiKeizi Onoue
    • Yoshiaki YoshidaOsamu SuzukiKeizi Onoue
    • D01H4/44D01H15/00D01H1/12
    • D01H4/44
    • Disclosed is an open-end spinning machine and a method of restarting the same. The machine comprises: feed rollers, for supplying fibers to a combing roller so as to comb the fibers; a spinning rotor, for collecting the combed fibers into a yarn and for twisting the yarn, connected to a power source via an endless driving belt; a pair of draw off rollers, for withdrawing the yarn from the spinning rotor, connected to a brake and to a main power source via a clutch; a traverse guide, for traversing the withdrawn yarn along a bobbin supported by a pair of cradle arms, connected to a brake and to the main power source via a clutch; a winding drum, for frictionally driving the bobbin to wind the yarn around the bobbin and form a conical cheese, connected to a brake and to the draw off rollers via gear trains, and; a controlling device, for controlling the brakes and clutches according to a predetermined program, by which, on the occasion of stopping said machine, the traverse guide is stopped at a predetermined position before both the draw off rollers and the winding drum are stopped and, on the occasion of restarting said machine, the traverse of the traverse guide is started toward the smaller diameter portion of the conical cheese, when a pieced joint formed between an end of the yarn and a newly spun yarn reaches a contacting line formed between the pair of draw off rollers. By utilizing this machine and method, the number of yarn breakages occurring during the starting operation is decreased.
    • 公开了一种开放式纺纱机及其重启方法。 该机器包括:馈送辊,用于将纤维供给到精梳辊以梳理纤维; 旋转转子,用于将精梳纤维收集成纱线,并且通过环形传动带连接到动力源上的纱线加捻; 一对牵引辊,用于从连接到制动器的旋转转子中抽出纱线,并通过离合器连接到主动力源; 横动引导件,用于沿着连接到制动器的一对支架臂支撑的线轴和经由离合器与主动力源一起横过所述退出的纱线; 一个卷绕滚筒,用于摩擦地驱动筒管以绕纱线缠绕纱线并形成锥形奶酪,该锥形奶酪通过齿轮系连接到制动器和牵引辊上; 用于根据预定程序控制制动器和离合器的控制装置,通过该控制装置,在停止所述机器的情况下,在所述牵引辊和卷绕鼓两者停止之前,横动导件停止在预定位置, 在重新启动所述机器的情况下,当形成在所述纱线的一端和新纺纱线之间的接头接头到达所述对之间形成的接触线时,横向导纱器的横动开始朝向锥形干酪的较小直径部分 牵引辊。 通过利用该机器和方法,在启动操作期间发生的断纱次数减少。
    • 2. 发明授权
    • Method and apparatus for starting and stopping an open end spinning
machine
    • 用于启动和停止开口纺纱机的方法和装置
    • US4338777A
    • 1982-07-13
    • US147549
    • 1980-05-05
    • Osamu SuzukiToshio YoshizawaYoshiaki YoshidaKeiji OnoueKazuo Seiki
    • Osamu SuzukiToshio YoshizawaYoshiaki YoshidaKeiji OnoueKazuo Seiki
    • D01H1/32D01H4/44D01H4/50D01H15/02D01H1/135
    • D01H4/44
    • When an open end spinning machine is stopped, a fiber supply to a spinning rotor is first stopped and thereafter, substantially simultaneously with stoppage of both a yarn take-up roller and a yarn winding roller, a yarn end is held by a yarn holding device at a time when it still remains in a region which undergoes the suction effect of a subatmospheric pressure produced in the spinning rotor. The spinning rotor is subsequently stopped. On starting, the holding of the yarn end by the yarn holding device continues even after restarting of the spinning machine until the subatmospheric pressure produced in the spinning rotor reaches substantially the same value as that produced during a normal spinning operation. Therefore, there is prevented any snarling phenomenon, resulting in a greatly increased success rate in the operation of connecting yarn ends on re-starting of the spinning machine.
    • 当开放式纺纱机停止时,首先停止对纺丝转子的纤维供给,然后在纱线卷取辊和纱线卷绕辊停止的同时基本同时,纱线端部由纱线保持装置 此时它仍然保留在经受在纺丝转子中产生的低于大气压的吸力作用的区域中。 纺纱转子随后停止。 起动时,纱线保持装置的纱线端部的保持继续,即使在纺纱机重新起动之后,直到在纺丝转子中产生的低于大气压的压力达到与正常纺丝操作期间产生的大致相同的值。 因此,防止发生嘶嘶声现象,导致纺纱机再起动时连接纱线端部的操作成功率大大提高。
    • 3. 发明授权
    • Method and apparatus for starting a spinning machine
    • 启动纺纱机的方法和装置
    • US4288975A
    • 1981-09-15
    • US131132
    • 1980-03-17
    • Yoshiaki YoshidaOsamu SuzukiKeiji OnoueKazuo Seiki
    • Yoshiaki YoshidaOsamu SuzukiKeiji OnoueKazuo Seiki
    • D01H1/34D01H4/44D01H4/50D01H15/02D01H1/30
    • D01H4/44
    • According to this invention, a spinning rotor is increased in speed until it reaches a predetermined higher speed beyond a lower speed region and then decreased in speed until it falls within the lower speed region, in which a yarn ending is effected. Thereafter, the speed of the spinning rotor is increased to a normal spinning speed beyond the predetermined higher speed. During rotation of the spinning rotor at the predetermined higher speed, sufficient subatmospheric pressure is produced in the spinning rotor to stretch out the yarn end thereby to prevent the yarn end from being snarled. Also, during this higher speed rotation of the spinning rotor, sufficient fibers in the spinning rotor can be collected in a maximum diameter portion in the spinning rotor to be connected with the snarl-free yarn end in a favorable condition. The period of time, during which the speed of the spinning rotor is decreased from the predetermined higher speed and falls within the lower speed region, is relatively short being in the order of a few or several seconds. Therefore, it will be understood that there is no fear that both the yarn end and the remaining fibers are restored to their initial state during that period of time.
    • 根据本发明,旋转转子的速度增加,直到其超过低速区域达到预定的较高速度,然后降低速度,直到其落入进行纱线结束的低速区域内。 此后,将纺丝转子的速度提高到超过预定的较高速度的正常纺丝速度。 在旋转转子以预定的较高速度旋转时,在纺丝转子中产生足够的低于大气压的伸出纱线端部,从而防止纱线端部嘶嘶响。 此外,在纺丝转子的这种较高速度的旋转中,纺丝转子中的足够的纤维可以收集在纺丝转子的最大直径部分中,以在有利的条件下与无卷曲纱线端部连接。 纺纱转子的速度从预定的较高速度降低并落在低速区域内的时间段相对较短,为几秒或数秒左右。 因此,应当理解,在该时间段内,纱线末端和剩余的纤维都不会恢复到初始状态。
    • 4. 发明授权
    • Spinning units in an open end spinning machine
    • 纺纱机在一个开放式纺纱机
    • US4334403A
    • 1982-06-15
    • US156856
    • 1980-06-04
    • Toshio YoshizawaOsamu SuzukiYoshiaki Yoshida
    • Toshio YoshizawaOsamu SuzukiYoshiaki Yoshida
    • D01H4/44D01H4/50D01H13/16D01H15/02
    • D01H13/16
    • An open end spinning machine includes a plurality of spinning units. Each spinning unit includes a first yarn breakage sensing device assuming a yarn sensing, operative position, in which it contacts the yarn, when the spinning unit is in a normal spinning operation and an inoperative position, in which it is not in contact with the yarn, when the spinning unit is in a transient condition either from or to the normal spinning operation, and a second yarn breakage sensing device assuming a yarn sensing position at least when the spinning unit is in the transient condition. Upon occurrence of yarn breakage when the spinning unit is in the transient condition, such breakage is detected by the second yarn breakage sensing device and the supply of fibers to the associated spinning unit is interrupted by the second yarn breakage sensing device.
    • 开口纺纱机包括多个纺纱单元。 每个纺纱单元包括第一纱线断裂传感装置,当纺纱单元处于正常的纺纱操作和不与纱线接触的不工作位置时,假定纱线感测操作位置与纱线接触; 当纺纱单元处于从正常纺丝操作或正常纺丝操作的瞬态状态时,以及至少当纺纱单元处于过渡状态时假定纱线感测位置的第二纱线断裂感测装置。 当纺纱单元处于瞬态状态时发生纱线断裂时,通过第二纱线断裂传感装置检测到这种断裂,并且通过第二纱线断裂传感装置中断对相关纺纱单元的纤维供给。
    • 9. 发明授权
    • Open-end spinning machine
    • 开口纺纱机
    • US4149678A
    • 1979-04-17
    • US778147
    • 1977-03-16
    • Tsutomu MiyazakiYoshiaki YoshidaKinpei MitsuyaTakeshi Ogasawara
    • Tsutomu MiyazakiYoshiaki YoshidaKinpei MitsuyaTakeshi Ogasawara
    • B65H59/00B65H54/20B65H59/12
    • B65H59/005B65H2551/20B65H2551/26B65H2701/31
    • Disclosed is an open-end spinning machine which comprises a feed roller and a top roller for positively feeding a spun yarn from a spinning unit, a traverse guide for traversing the spun yarn in a direction perpendicular to the spun yarn feeding direction, a winding drum for frictionally rotating a conical surface bobbin for winding the traversed yarn to form a conical cheese, a guide or guides for absorbing yarn path length variations caused by the traverse motion of the spun yarn and by the conical angle of the conical cheese during the winding operation, a device for adjusting the guide in response to the conical angle of the conical cheese. By utilizing this machine, a good-shaped conical cheese of an open-end spun yarn having a uniform hardness along the axial direction of the cheese is obtained. Furthermore, this machine can be utilized for winding of various cheeses having various conical angles.
    • 公开了一种开放式纺纱机,其特征在于,包括:进料辊和上辊,用于从纺纱单元主轴供给细纱;横动导纱器,用于在与所述细纱进给方向垂直的方向上横过所述纺纱;卷绕鼓 用于摩擦地旋转用于卷绕横向纱线的圆锥形表面筒管,以形成圆锥形干酪,用于吸收由细纱的横动运动引起的纱线路径长度变化的引导件或引导件以及在卷绕操作期间锥形奶酪的锥形角度 ,用于响应于锥形芝士的锥角来调节引导件的装置。 通过使用该机器,获得了沿着奶酪轴向具有均匀硬度的开口细纱的良好形状的圆锥形干酪。 此外,该机器可用于卷绕各种具有各种锥角的奶酪。