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

IPC分类号： B65H59/24 ,  B65H59/36 ,  B65H59/38

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摘要： A device and method for winding conical bobbins with yarn withdrawn at constant speed from individual spinning units, and comprising: a deflecting roller, which moves backwards and forwards by a swinging arm, which compensates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.

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

IPC分类号： B65H59/22 ,  B65H59/36

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。

公开(公告)号：US4027704A

公开(公告)日：1977-06-07

申请号：US630026

申请日：1975-11-07

申请人： Bruno Romanin

发明人： Bruno Romanin

IPC分类号： D03D47/00 ,  D03D47/24 ,  D03J5/06

CPC分类号： D03J5/06 ,  D03D47/00 ,  D03D47/24 ,  D03D2700/1481 ,  D03J2700/14

摘要： The method and device convert conventional shuttle looms into dummy shuttle looms, wherein weft yarns, unwound from stationary bobbins or the like outside the loom, are seized, pulled across the warp yarn shed and then released, by means of a so called dummy shuttle or weft gripper, at adjustably selected points along a dummy shuttle path extending along the loom slay, independently of the slay instantaneous position and movement direction. The slay motions and direction changes are utilized to selectively operate weft yarn bearers and weft gripper opening mechanisms for seizing the weft yarns and releasing the same, respectively, at the inlet and at the outlet of the dummy shuttle path across the shed.

摘要翻译： 该方法和装置将常规梭织机转换成虚拟穿梭织机，其中从织机外侧的固定筒管等展开的纬纱被拉过，穿过经纱脱落，然后通过所谓的虚拟穿梭机 纬纱夹持器，沿着沿着织机剥离延伸的虚拟穿梭路径的可调节选择点，独立于杀死瞬时位置和移动方向。 屠宰运动和方向改变用于选择性地操作纬纱承载器和纬纱夹持器打开机构，用于抓住纬纱并且分别在穿过梭口的虚拟穿梭路径的入口和出口处释放纬纱。