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1.发明授权Method and device for intermittently storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed 失效在以恒定速度供给纱线的圆锥形线轴卷绕期间间歇地存放和返回纱线的方法和装置
公开(公告)号：US4854509A
公开(公告)日：1989-08-08
申请号：US169317
申请日：1988-03-17
申请人： Giorgio Boller , Francesco Ferro , Luigi Colli
发明人： Giorgio Boller , Francesco Ferro , Luigi Colli
IPC分类号： B65H59/36
CPC分类号： B65H59/36 , B65H2701/31
摘要： A device and method for winding conical bobbins with yarn withdrawn at constant speed from individual spinning units, and comprising: a deflecting roller or similar element, which is connected to and moved backwards and forwards by a swinging flat element for yarn storage and accumulation, to compensate the variation in the speed at which the yarn is collected on the conical surface of the bobbin under formation wherein yarn is drawn into the storage position and is then released from this storage position, (i.e. returned). This returning operation releases the yarn from its storage position and replaces it (returns it), to is normal feed path; an electronic or similar yarn tension measurer of known type for measuring the tension values of the yarn being wound and to generate electrical signals proportional to said values; an electrical comparator for comparing said electrical signals with one or more reference signals to generate a control signal when an electrical signal arises which indicates a non-regular yarn tension; an electronic control unit for converting said control signal into a signal which varies the amplitude of the swing motion of a drive source; a drive source which increases or decreases the amplitude of its intermittent drive motion in order to adjust the swing movement of the storage arm to an amplitude which is slightly greater or slightly less than the previous value in order to rapidly restore the yarn tension to within the range of values corresponding to regular tension.
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2.发明授权Device for regulating the yarn winding speed in the formation of conical bobbins in a rotor spinning machine 失效用于调节在转杯纺纱机中形成锥形线轴的纱线卷绕速度的装置
公开(公告)号：US4969608A
公开(公告)日：1990-11-13
申请号：US375693
申请日：1989-07-05
申请人： Luigi Colli , Francesco Ferro , Sergio Montali
发明人： Luigi Colli , Francesco Ferro , Sergio Montali
CPC分类号： B65H59/36 , B65H59/382 , B65H2701/31
摘要： This invention relates to a device for regulating the winding speed in the formation of cross-wound conical bobbins where the yarn is withdrawn at constant speed from a rotor spinning unit by a lever system able to displace the friction drive band of the drive roller for the conical bobbin under formation, in order to vary the average resultant value of the varying winding speed during each double stroke of the yarn guide element. Said lever system is operated by a two-direction rotary drive source which is activated when a linear position element, associated rigidly with the yarn storage element, senses by known means that abnormal storage swings persist.
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公开(公告)号：US4858837A
公开(公告)日：1989-08-22
申请号：US169495
申请日：1988-03-17
申请人： Sergio Montali , Francesco Ferro , Luigi Colli
发明人： Sergio Montali , Francesco Ferro , Luigi Colli
IPC分类号： B65H59/36
CPC分类号： B65H59/36 , B65H2701/31
摘要： A yarn storage and return device for yarn being wound on a conical bobbin driven at a constant speed. The device comprises a lever system for storing and returning the yarn and for regulating and monitoring the amount of stored yarn. The yarn is drawn into the storage position by an arm of the lever system and is then released (i.e. returned) from this storage position. This returning operation releases the yarn from its storage position and replaces it (returns it), to its normal feed path. The device also comprises a yarn tension measurer, an electric comparator, and an electric control unit to measure and compare the yarn tension, and to process an electric controlling signal to activate a drive motor. The drive motor actuates a tensioning element which affects the storage operation of the device.
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4.发明授权Device and method for storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed 失效在以恒定速度喂纱纱线的圆锥形筒管卷绕期间，纱线存放和返回纱线的装置和方法
公开(公告)号：US4854510A
公开(公告)日：1989-08-08
申请号：US169855
申请日：1988-03-18
申请人： Bruno Romanin , Francesco Ferro , Luigi Colli
发明人： Bruno Romanin , Francesco Ferro , Luigi Colli
CPC分类号： B65H59/24 , B65H59/36 , B65H59/384 , B65H2701/31
摘要： A device and method for winding conical bobbins with yarn withdrawn at constant speed from individual spinning units, and comprising: a deflecting roller, which moves backwards and forwards by a swinging arm, which compensates for the different speeds at which the yarn is collected on the bobbin under formation wherein yarn is drawn into the storage position and is then released from this storage position, (i.e. returned). This returning operation releases the yarn from its storage position and replaces it (returns it), to its normal feed path; two proximity sensors which defines the range of swing of the yarn storage and return arm; an electronic control unit which receives an electrical signal from the proximity sensors when the arm swings stray outside the regular range to generate, an electrical control signal which activates a pressure variator which varies the pressure on a disc yarn tensioner. This changes the tension on the yarn to return the storage swing to within the regular range. If irregular swing persists, a bidirectional drive is activated to displace the contact between the bobbin and drive roller to restore the storage swing to within the regular range of values.
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5.发明授权Device and method for storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed 失效在以恒定速度喂纱纱线的圆锥形筒管卷绕期间，纱线存放和返回纱线的装置和方法
公开(公告)号：US4854514A
公开(公告)日：1989-08-08
申请号：US170278
申请日：1988-03-18
申请人： Bruno Romanin , Francesco Ferro , Luigi Colli
发明人： Bruno Romanin , Francesco Ferro , Luigi Colli
CPC分类号： B65H59/225 , B65H59/36 , B65H2555/11 , B65H2701/31
摘要： A device and method for winding conical bobbins with yarn withdawn at constant speed from individual spinning units, and comprising: a deflecting roller, or similar element, which is connected to and moved backwards and forwards by a swinging arm which by storing and returning the yarn compensates for the different speeds at which the yarn is collected on the conical surface of the bobbin under formation wherein yarn is drawn into the storage position and is then released from this storage position, (i.e. returned). This returning operation releases the yarn from its storage position and replaces it (returns it), to its normal feed path; two proximity sensors positioned to define the regular range of swing of the yarn storage and return arm; an electronic control unit arranged to receive an electrical signal or several electrical signals provided by the proximity sensors when the yarn storage and return swings stray outside the regular range and arranged to generate, when said signals occur, an electrical control signal which activates a pressure variator; and a pressure variator which increases or decrease the pressure on a disc yarn tensioner in order to return the storage swing to within the range of values corresponding to regular storage.
摘要翻译： 一种用于从单个纺纱单元以恒定速度卷绕纱线的圆锥形线轴的装置和方法，包括：偏转辊或类似元件，其通过摆动臂连接并向前和向后移动，所述摆动臂通过储存和返回纱线 补偿纱线在形成的线轴的锥形表面上收集的不同速度，其中纱线被拉入储存位置，然后从该储存位置释放（即退回）。 这种返回操作将纱线从其储存位置释放，并将其替换（返回）到其正常进给路径; 两个接近传感器定位成限定纱线存储和返回臂的规则摆动范围; 电子控制单元，其布置成当纱线存储和返回摆动杂散在常规范围之外时接收由接近传感器提供的电信号或多个电信号，并且被布置成当所述信号发生时产生电控制信号，其激活压力变换器 ; 以及增加或减小圆盘纱线张紧器上的压力以便将储存摆动返回到对应于常规储存的值的范围内的压力变换器。
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公开(公告)号：US4704859A
公开(公告)日：1987-11-10
申请号：US10407
申请日：1987-02-03
CPC分类号： D01H4/06
摘要： Rotary twister element suitable to keep under tension the fibres during the twisting operation in a frictional open-end spinning process, constituted by a solid, hollow, reduced-thickness element with perforated skirt, which is internally provided with a suction duct defining a longitudinal slot, the edge of which constitutes the thread formation line, is suitably inclined relatively to the general trix of the same solid, hollow element, as a function of the direction of rotation of the solid element, and of the direction of thread extraction. Also a screen is provided for the air dragged by the rotation of the solid element, which may have a cylindrical shape, a cone frustum shape, or the shape of any other revolution solid.
摘要翻译： 旋转扭转器元件适于在摩擦开口纺丝过程中在扭转操作期间保持纤维的张力，所述摩擦开口纺丝过程由具有穿孔裙部的固体，中空的减小厚度的元件构成，其内部设置有限定纵向槽 其边缘构成螺纹形成线，相对于固体元件的旋转方向和螺纹提取方向的函数相对于相同固体中空元件的一般三角形适当地倾斜。 还提供了通过固体元件的旋转而拖动的空气的屏幕，其可以具有圆柱形形状，锥形截头形状或任何其它旋转固体的形状。
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7.发明授权Method and device for rejoining yarn with high efficiency in an open-end spinning machine 失效在开式纺丝机中高效再生纱线的方法和装置
公开(公告)号：US5095689A
公开(公告)日：1992-03-17
申请号：US666997
申请日：1991-03-11
申请人： Francesco Ferro , Claudio Peruch
发明人： Francesco Ferro , Claudio Peruch
CPC分类号： D01H4/50
摘要： A method for rejoining yarn in an open-end spinning machine in which the rejoining is effected by feeding intact fibres to the rotor but preceding the rejoining by an operation in which the sliver is cleared and the carder is cleaned by the high-vacuum suction nozzle brought into correspondence with the air intake port.
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8.发明授权Method and device for removing deteriorated fibres during yarn rejoining in an open-end spinning machine 失效在开口纺纱机中重纱过程中除去退化纤维的方法和装置
公开(公告)号：US4998404A
公开(公告)日：1991-03-12
申请号：US409676
申请日：1989-09-20
申请人： Francesco Ferro , Claudio Peruch
发明人： Francesco Ferro , Claudio Peruch
摘要： A method for rejoining yarn in an open-end spinning machine in which the rejoining is effected by feeding intact fibres to the rotor but preceding the rejoining by an operation in which the sliver is cleared and the carder is cleaned by the pneumatic action of a blowing nozzle brought into correspondence with the air intake port.
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9.发明授权Device and procedure for preparing the thread end to start or resume open-end spinning 失效准备线程端启动或恢复开放式旋转的设备和程序
公开(公告)号：US5303538A
公开(公告)日：1994-04-19
申请号：US958540
申请日：1992-10-08
CPC分类号： D01H4/50
摘要： The thread end to be used for rejoining in an open-end spinning frame is prepared by cutting it to size and then introducing it into a pipe with a vigorous air flow running through the pipe and contacting the thread end with a vibrating blade, freeing the end of short fibers, tapering the thread end and untwisting the fibers that comprise the thread end.
摘要翻译： 通过将其切割成尺寸，然后将其引入管道中制备用于重新连接在开口纺纱机中的螺纹端，该管道具有穿过管道的剧烈空气流并且将螺纹端部与振动刀片接触，释放 短纤维端部，使螺纹端部变细并且解开构成螺纹端部的纤维。
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10.发明授权Device for picking up and preparing the skein end for rejoining in an open-end spinning machine 失效用于拾取和准备绞纱末端的装置，用于在开放式纺纱机中重新连接
公开(公告)号：US5293738A
公开(公告)日：1994-03-15
申请号：US963279
申请日：1992-10-19
CPC分类号： D01H4/50 , B65H67/085 , B65H2701/31
摘要： An apparatus for delivering a skein end of a thread wound on a reel to an apparatus for returning the skein end to a spinning machine. The apparatus for delivering the skein end comprises a device for unwinding a reel on which the thread is wound, a capturing device for capturing the skein end of the thread, a transferring device to transfer the thread from the capturing device to a device that returns the thread to the spinning machine, and a detecting device for detecting the presence of the thread in the transferring device. Another aspect of the invention generally features an apparatus for rejoining the skein end of a thread wound on a reel, the thread having been disconnected from the reel due to one of a plurality of different events. The apparatus comprises an unwinding device for unwinding the reel; a capturing device for capturing the skein end of the thread wound on the reel, a cutting device for cutting a portion of the thread captured by the capturing device. The size of the cut portion varies in response to which of the plurality of different events caused the thread to become disconnected from the spinning machine; and a rejoining device from rejoining a skein end of the thread remaining on the reel to the spinning machine.
摘要翻译： 一种用于将缠绕在卷轴上的线的绞线端递送到用于将绞丝端返回到纺纱机的设备的设备。 用于传送绞纱末端的装置包括用于展开缠绕线的卷轴的装置，用于捕获线的绞线端的捕获装置，用于将线从捕获装置传送到返回 螺纹到纺纱机，以及检测装置，用于检测转印装置中纱线的存在。 本发明的另一方面通常具有一种用于重新连接缠绕在卷轴上的线的绞线端的装置，由于多种不同的事件之一，线已经与卷轴断开。 该装置包括用于展开卷轴的展开装置; 用于捕获缠绕在卷轴上的线的绞线端的捕获装置，用于切割由捕获装置捕获的线的一部分的切割装置。 响应于多个不同事件中的哪一个导致线与纺纱机断开而切割部分的尺寸变化; 以及重新连接装置，将剩余在卷轴上的螺纹的绞丝端重新连接到纺纱机。
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