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    • 7. 发明公开
    • SPINNMASCHINE MIT EINER VERDICHTUNGSVORRICHTUNG
    • 用压缩设备SPIN机
    • EP2737116A1
    • 2014-06-04
    • EP12735432.2
    • 2012-06-29
    • Maschinenfabrik Rieter AG
    • SCHNEIDER, GabrielMALINA, LudekNÄGELI, Robert
    • D01H5/70D01H5/72D01H1/02
    • D01H5/86D01H1/025D01H5/72D01H5/74
    • The invention relates to a device for compacting a sliver (V) on a spinning machine, comprising a drafting unit (2) having successive drafting roller pairs (3, 4; 5, 6; 7, 8), the top rollers (4, 6, 8) of which are anchored on a pressure lever (10) pivotally mounted on the machine frame (MR), and comprising a compaction unit (VM) pivotally mounted on the machine frame (MR) adjacent to the delivery roller pair (7, 8) of the drafting unit (2). The pivot axis (MA) of the compaction unit runs parallel to and spaced apart from the axes of rotation (7a, 8a) of the delivery roller pair (7, 8), and the compaction unit comprises a support (20) on which at least one suction drum (17) provided with a suction zone (Z) is rotatably mounted. A respective nip roll (33) fastened to the support (20) bears against the suction drum (17) under the influence of a pressure element (F2) in order to form a nip line (P) at the end of the suction zone (Z). In order to form a drive connection between the bottom roller (7) of the delivery roller pair (7, 8) and the suction drum (17), at least one spring element (F1, 55; 68) acts on the support (20) at a distance from the pivot axis (MA) thereof, as a result of which the suction drum (17) is moved towards the bottom roller (7) of the delivery roller pair (7, 8). In order to improve known solutions, according to the invention guide means (30) are provided in the region of the pivot axis (MA) of the support (20) of the compaction unit (VM), via which guide means the compaction unit, viewed in the direction of the pivot axis (MA) thereof, is fixed in the mounted position thereof on the machine frame (MR), and the spring element (F1, 55; 68) is mounted at the free end of the pressure lever (10).