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    • 4. 发明公开
    • Modulated thread braking device for weft feeders
    • Modulierte Fadenbremsefüreine Schussfadenliefervorrichtung。
    • EP0536088A1
    • 1993-04-07
    • EP92830487.2
    • 1992-09-15
    • L.G.L. ELECTRONICS S.p.A.
    • Zenoni, PietroPedrini, GiovanniCastelli, Rosario
    • D03D1/00D03D47/34
    • D03D47/364B65H2511/30B65H2551/22B65H2553/26D03D47/34
    • The device comprises a braking body which has a continuous circular extension, typically a truncated-cone body (12), which is supported by elastic means (13) frontally and coaxially to the drum (T) of the feeder (10) and is actuated by said means (13) into elastic contact engagement with its larger cross-section against said drum along a tangency circumference (C1) of the drum which is slightly smaller than the maximum one. The thread (F) runs between said drum (T) and said braking body (12) along an inclined path which extends between the tangency circumference (C1) of the braking body with respect to the drum and the smaller cross-section of the braking body. The braking body (12) has a cylindrical portion (120) which is rigidly coupled thereto at its smaller cross-section, extends into the annular gap of the skirt (18) of a permanent magnet (19) and is provided with a coil (20) which is supplied with an energization current (I) which is modulated in accordance with the variations in the mechanical tension of the thread ; means (21-23 and 26-28) being provided for detecting the mechanical tension of the thread and for converting said mechanical tension into a corresponding electrical signal (t) used to modulate said energization current.
    • 该装置包括制动体,该制动体具有连续的圆形延伸部分,通常为截锥体(12),其由与进给器(10)的滚筒(T)同轴的弹性装置(13)支撑并被致动 通过所述装置(13)沿着稍大于最大滚筒的相切圆周(C1)与其较大的横截面相对于所述滚筒进行弹性接触接合。 螺纹(F)沿所述滚筒(T)和所述制动体(12)之间沿着相对于所述滚筒在所述制动体的相切圆周(C1)和所述制动器的较小横截面之间延伸的倾斜路径延伸 体。 制动体(12)具有圆柱形部分(120),该圆柱形部分(120)以较小的横截面与其刚性地联接,延伸到永磁体(19)的裙部(18)的环形间隙中,并且设置有线圈 20),其被提供有根据线的机械张力的变化被调制的通电电流(I) 提供用于检测线的机械张力并将所述机械张力转换成用于调制所述通电电流的对应电信号(t)的装置(21-23和26-28)。
    • 5. 发明公开
    • Quick-release retainer for the brake support of weft feeders for textile machines
    • Brennstützkörpervon SchussfadenspeichernfürTextilmaschinen
    • EP0826619A1
    • 1998-03-04
    • EP97114832.5
    • 1997-08-27
    • L.G.L. Electronics S.p.A.
    • Pedrini, Giovanni
    • B65H51/22D03D47/34
    • D03D47/364B65H2551/22D03D47/366
    • A quick-release retainer for the brake support (17) of weft feeders for textile machines, wherein the brake support is rigidly coupled to a slider (18) which is controlled by a precision adjustment system which is constituted by an adjustment screw (23a) which meshes with a female thread (22) which is rigidly coupled to the slider, in order to move the slider and the brake support parallel to the drum (12) of the feeder (10) in order to vary the static tension applied to the thread (F) by the brake (15), and wherein the entire adjustment system can move rigidly with the slider (18) and is subjected to the action of a spring (26) which tends to move the brake support (17) into a disengagement position, in which the brake (15) is spaced from the drum (11) of the feeder (10). The spring (26) is contrasted by a controlled stop element (28), which engages a corresponding groove (29) of the pin (23) of the screw in order to keep said spring (26) normally loaded and keep the brake (15) in the active position in contact with the drum (11); the disengagement of the stop element (28) causes the snap movement of the slider and of the brake support into the disengagement position of the brake (15).
    • 一种用于纺织机器的纬纱喂料器的制动支架(17)的快速释放保持器,其中制动器支撑件刚性地联接到由精密调节系统控制的滑块(18),所述精密调节系统由调节螺钉(23a)构成, 其与刚性地联接到滑块的内螺纹(22)啮合,以便使滑块和制动支撑件平行于进给器(10)的滚筒(12)移动,以便改变施加到滑块的静态张力 螺纹(F)通过制动器(15),并且其中整个调节系统可以与滑块(18)刚性地移动并且受到弹簧(26)的作用,弹簧(26)倾向于将制动器支撑件(17)移动到 脱离位置,其中制动器(15)与进给器(10)的滚筒(11)间隔开。 弹簧(26)与控制的止动元件(28)形成对比,受控止动元件(28)与螺钉的销(23)的相应凹槽(29)接合,以便保持所述弹簧(26)正常加载并保持制动器(15) )处于与滚筒(11)接触的主动位置; 止动元件(28)的分离导致滑块和制动器支撑件的卡扣运动进入制动器(15)的脱离位置。
    • 8. 发明公开
    • Electronic feeder apparatus for automatically controlling the tension of the yarn in a knitting machine and textile machines in general
    • 对于线张力的一种绣花机或在一般的纺织机的自动调节电子喂纱装置。
    • EP0568762A1
    • 1993-11-10
    • EP92830592.9
    • 1992-10-30
    • Paggiaro, Angelo
    • Paggiaro, Angelo
    • D04B15/48B65H51/22
    • D04B35/12B65H59/40B65H2551/22B65H2553/41B65H2557/33B65H2557/50B65H2701/31D04B15/48
    • An improved feeder apparatus (1) for automatically controlling in real time the tension of a textile yarn (2), said feeder apparatus including an electronic multiple function device, and being provided for application to knitting machines and textile machines in general. The feeder apparatus comprises a device applied to a lever (20) for continuously controlling the tension of the yarn, before supplying said yarn to said textile machine, and a device for displaying and controlling possible faults of said feeder apparatus, said lever (20) being a swinging lever arranged downstream of a drum (10) and operating for controlling the position of an adjustable movable shield element (32) adapted to intercept light, thermal or electromagnetic radiations, said shield being arranged between a radiation emitting element and a radiation sensing element, in order to chop the amount of radiations received by the sensor which transforms the received radiation amount into an electronic signal proportional to said radiation amount, said signal, which can be suitably amplified, controlling, depending on its amplitude, a display of the yarn tension, depending also on the swinging amplitude of said lever.
    • 用于实时自动控制纺织纱线的张力的改进的送料装置(1)(2),被提供用于应用到针织机和纺织机中一般所述进料装置包括电子功能设备的多个,和。 该送料装置包括施加到杆(20),用于连续地控制纱线的张力的装置,前提供所述纱线向所述纺织机,以及用于显示和控制所述供给装置,所述杆的可能的故障的装置(20) 作为一个摆动杆布置在滚筒(10)的下游,并且用于控制可调节可移动的屏蔽元件的位置操作(32)angepasst拦截光,热或电磁辐射,所述屏蔽被一个辐射发射元件和辐射传感之间布置 元件中,为了斩通过其将所接收的辐射量成电子信号正比于所述辐射量,所述信号,其可被适当地放大,控制,取决于它的幅度,的一个显示所述传感器接收的辐射的量 纱线张力,在所述杠杆的摆动幅度如此相依的。