Device for stopping a rove supply in a spinning apparatus
    2.
    发明公开
    Device for stopping a rove supply in a spinning apparatus 有权
    Vorrichtung zum Stoppen einer Vorgarneinspeisung在einer Spinnmaschine

    公开(公告)号:EP2520697A1

    公开(公告)日:2012-11-07

    申请号:EP11003755.3

    申请日:2011-05-06

    IPC分类号: D01H13/18

    CPC分类号: D01H13/188

    摘要: Device (10) for stopping a rove supply in a spinning or twisting apparatus after breakage of a yarn (11) at the output side of a drafting zone (A) which comprises at least a pair of front rollers (3, 4) and a pair of back rollers (1, 2), whereby the rove (13) is delivered in normal operation by a pair of feed rollers from the input side and is formed to said yarn (11) in the drafting zone (A) and whereby the rove delivery is stopped upon breakage of the yarn (11), the stopping device (10) comprises a mechanical sensing lever (7) with a sensing pin (8) being repeatedly in contact with said yarn (11) and said sensing lever (7) is pivotally mounted on a pivot axis (X), wherein said sensing lever (7) has a release lever (9) opposite to said sensing lever (7) which is provided with a longitudinal release part (9a) being in engagement with a spring-loaded clamp device (12) such that in normal operation of the apparatus said clamp device (12) is open and closes after the break of the yarn (11) through the conjoint pivot movement of said sensing lever (7) and said release lever (9) about said pivot axis (X) to firmly clamp the rove (13) at the input side of said drafting zone (A) before said back rollers (1,2).

    摘要翻译: 1.一种用于在牵引区域(A)的输出侧在纱线(11)断裂之后,在旋转或扭转设备中停止纱线供给的装置(10),所述牵伸区域包括至少一对前辊(3,4)和 一对后辊(1,2),由此通过一对进料辊从输入侧在正常操作中输送粗纱(13),并且在牵伸区(A)中形成所述纱线(11),由此 停止装置(10)包括具有与所述纱线(11)和所述感测杆(7)重复接触的感测销(8)的机械传感杆(7) )枢转地安装在枢转轴线(X)上,其中所述感测杆(7)具有与所述感测杆(7)相对的释放杆(9),所述释放杆(9)设置有与一个 弹簧加载的夹紧装置(12),使得在装置的正常操作中,所述夹紧装置(12)在纱线(11)的断裂之后打开和关闭 )通过所述感测杆(7)和所述释放杆(9)围绕所述枢转轴线(X)的联合枢转运动,以在所述牵引区域(A)的输入侧将所述粗纱(13)牢固地夹紧在所述牵引区域 (1,2)。

    Drafting device for spinning machinery
    3.
    发明公开
    Drafting device for spinning machinery 有权
    StreckvorrichtungfürSpinnmaschine

    公开(公告)号:EP2405039A1

    公开(公告)日:2012-01-11

    申请号:EP10007018.4

    申请日:2010-07-07

    IPC分类号: D01H5/22 D01H5/44 D01H5/56

    CPC分类号: D01H5/22 D01H5/44 D01H5/56

    摘要: Drafting device (10) for use in spinning machinery and for drafting discontinuous fibers, such as cotton, linen, wool, jute, ramie, hemp or man-made fibers, with a pair of feed rollers (2), a pair of draft rollers (3), a pair of control rollers (4) and a pair of delivery rollers (5), being arranged in this order in a rove feed direction (F) defining a drafting zone (D) composed of three sub-drafting zones (A, B, C), whereby the rollers (2, 3, 4) are driven at a respective predetermined speed in such a manner that a drafting action is exerted on the rove (1), wherein said control rollers (4) are both provided with an active drive mechanism and said control rollers (4) are mounted in a fixed but contact-free manner with a defmed control gap (6) between them of a predetermined dimension.

    摘要翻译: 用于纺纱机械和起草不连续纤维如棉,亚麻,羊毛,黄麻,苎麻,大麻或人造纤维的牵伸装置(10),具有一对进料辊(2),一对牵伸辊 (3),一对控制辊(4)和一对输送辊(5),其顺序布置在限定由三个副牵伸区(D)构成的牵伸区(D)的滚动进给方向(F) A,B,C),由此以相应的预定速度驱动辊子(2,3,4),使得牵引作用施加在纱线(1)上,其中所述控制辊(4)都是 设置有主动驱动机构,并且所述控制辊(4)以固定但不接触的方式安装在其间具有预定尺寸的定义的控制间隙(6)。