• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A spinning preparation machine with a device for feeding and / or discharging fiber material comprises at least one trough-shaped guide element (23) with a guide surface, which is arranged opposite a conveyor roller (22) of the spinning preparation machine and which is able to cooperate with the conveyor roller (22) Fiber material against the guide surface and is guided along this. The device for feeding and / or discharging fiber material comprises a device for generating vibrations, with which the conveyor roller (22) opposite at least one trough-shaped guide element (23) is set into vibration.
    公开号:CH705085B1
    申请号:CH00730/12
    申请日:2012-05-25
    公开日:2016-12-15
    发明作者:Jacobs Britta；Tammen Eike
    申请人:Trützschler GmbH & Co KG；
    IPC主号:
    专利说明:

    The invention relates to a spinning preparation machine with a device for feeding and / or discharging fiber material according to the preamble of claim 1.
    At the feed trough of the flock feeder of a card, it may happen that adhere to the trough due to high surface roughness fibers. This results in a "sausage" of fibers forming at this point and clogging the machine. To avoid this type of constipation, the wells are polished consuming today.
    In a device for filling the fiber strand (sliver) in sliver cans (DE 2 940 244 A), a fiber strand of a stretch or card is passed over a vibrated ramp in order to achieve proper sliding of the fiber strand. At the same time, as the can is progressively filled, the carrier is slowly lowered from an upper position to a waiting position. This achieves a constant contact pressure of the fiber strand on a rapidly rotating funnel wheel. In this way, a compaction of the fiber strand is realized by a shaking movement.
    The invention is based on the object to provide a device of the type described above, which avoids the disadvantages mentioned, which allows in particular in a simple way the supply and / or discharge of the fiber material without undesirable adhesion of fibers.
    The solution of this object is achieved according to the invention by a spinning preparation machine with the features of independent claim 1.
    By introducing a vibration into the guide element, e.g. Trough, the friction of the fibers is advantageously reduced so that nothing sticks. This applies both to the fiber material (fiber flakes, fiber pile) as well as any existing finishing. Such lubricants (preparations) often have a certain tendency to stick. A particular advantage is that even with pressure or action of the fiber material on the guide surface - caused by the at least one rotating conveyor roller - unwanted accumulations on the guide surface can be effectively avoided.
    The dependent claims have advantageous developments of the inventive spinning preparation machine for the subject.
    The invention will be explained in more detail with reference to exemplary embodiments illustrated in the drawings.
    It shows:<Tb> FIG. 1 <SEP> schematically side view of a card as a spinning preparation machine according to the invention,<Tb> FIG. 2a <SEP> feed trough and feed roll and opening roll of the tuft feeder of the carding machine according to FIG. 1 with a first embodiment of a device for feeding and / or conveying fiber material, comprising a feed trough with a stacking actuator,<Tb> FIG. 2b <SEP> enlarged detailed representation according to FIG. 2a,<Tb> FIG. 3a, 3b show a further embodiment of the device for feeding and / or discharging fiber material, comprising a feed trough with a ring actuator, and<Tb> FIG. 4 is a side view, in partial section, of the delivery mechanism at the exit of the card according to FIG. 1 with a device for generating vibrations assigned to the guide element.
    Fig. 1 shows a card, e.g. Trützschler card TC, with feed roller 1, dining table 2, lickerins 3a, 3b, 3c, drum 4, pickup 5, stripping roller 6, nip rollers 7, 8, fleece guide element 9, pile funnels 10, take-off rollers 11, 12, revolving cover 13 with cover deflection rollers 13a, 13b and flat bars 14, jug 15 and can stock 16. The directions of rotation of the rolls are shown with curved arrows. M denotes the center point (axis) of the drum 4. 4a indicates the clothing and 4b indicates the direction of rotation of the drum 4. With B is the direction of rotation of the revolving lid 13 in Kardierstellung and C is the Rücktransportrichtung the flat bars 14, with 17, 17 are functional elements and 13a and 13b are Deckelumlenkrollen designated. The arrow A indicates the working direction.
    A flock feeder F, e.g. Trützschler DIRECTFEED, is an integral part of the card TC. The flock feeder F has a vertical reserve shaft 20, which is fed from above with finely dissolved fiber material. The charge can be made for example via a condenser through a supply and distribution line 21. In the upper region of the reserve shaft 20 air outlet openings are present, through which the transport air enters after separation from the fiber flakes and into a suction device. The lower end of the reserve shaft 20 is closed by a feed roller 22 which cooperates with a catchment trough 23. By this feed roller 22, the fiber material of an underlying located, covered with pins or sawtooth wire high-speed opener roller 24 is supplied from the reserve shaft 20, which communicates with a lower feed shaft 25 in a part of its circumference. The circulating in the direction of arrow opener roller 24 promotes the detected by her fibrous material in the feed slot 25. The feed slot 25 has at the bottom of a corresponding to the arrow drawn circulating pick-up roller, which presents the fiber material of the card K. The feed roller 22 slowly rotates clockwise (arrow 22a), and the opener roller 24 rotates counterclockwise (arrow 24a), so that an opposite direction of rotation is realized (see Fig. 2a).
    To generate a vibration, various actuators may be used, e.g. Motors with imbalance or piezo actuators. As piezoelectric actuators, a stack actuator (FIG. 2b) or a ring actuator (FIGS. 3a, 3b) can be used.
    With a sheet metal bracket 26 of FIG. 2b, the piezoelectric actuator 27 is screwed to the angle 29 of the feed trough 23, passed through a hole in this angle 29 and then brought to the stop against the trough plate 23a. The end face of the piezoactuator 27 touches the surface of the troughed sheet 23a facing away from the draw-in roller 22. The piezoelectric actuator 27 may be a stacking actuator with a travel of 45 microns. When an electronic voltage is applied to the actuator 27, it expands and presses against the tray plate 23a. In the de-energized state, the actuator 27 contracts again. This cycle is repeated quickly in quick succession to produce a vibration. For example, a frequency between 10 and 2000 Hz is possible.
    According to Fig. 3a, 3b, a ring piezoelectric actuator 28 is associated with the trough plate 23a of the feed trough 23. As FIG. 3 b shows, a front plate 29 (holding element) made of metal is glued or welded onto the surface of the troughed sheet 23 a facing away from the draw-in roller 22. The front plate 29 has a through opening with an internal thread with which the external thread of a fastening screw 30 is engaged. The fastening screw 30 engages through the hollow cylinder of a hollow cylindrical piezo-ring sensor 28. In addition, the fastening screw 30 engages through a through opening in a metal disk 31, which serves as a flywheel. The piezo-ring sensor 28 is supported with the one circular end face on the front plate 29 and with the other circular end face on the metal plate 31 respectively adjacent. If an electrical voltage is applied to the ring actuator 28, it expands, pushing apart the front plate 29 and flywheel 31 and thus expands the fastening screw 30. In the tension-free state, actuator 28 and screw 30 retract together. If this cycle is repeated rapidly one behind the other, the desired vibration is effected by the rotating mass 31 which has come into motion. Here, too, the frequency range mentioned above with reference to FIG. 2 is possible.
    FIG. 4 shows an enlargement of the delivery mechanism at the exit of the carding machine K according to FIG. 1. The Florleitelement 9 has a guide surface 9a, which is formed as a sheet. This guide surface 9a collects the fiber web (not shown) emerging from the nip rolls 7, 8 and guides it through the passage opening 18 in the direction of the pile funnel 10. Reference numeral 19 designates a guide body which assists in guiding the fiber web into the passage opening 18. The side of the guide surface 9a facing away from the nip rollers 7, 8 is assigned a piezo ring sensor 28, which was explained above with reference to FIGS. 3a, 3b.
    It is also possible that an actuator 27 or 28 is associated with the tray plate 2 a of the dining table 2 of the card K, which cooperates with the feed roller 1. The dining table 2 has a tray plate 2a (not shown).
    The invention has been explained using the example of a flock feeder F for a card K and on a card K. The invention also relates to other spinning preparation machines in which a trough-shaped guide element cooperates with a slowly rotating feed roll, e.g. Openers or cleaning machines.
    权利要求:
    Claims (10)
    [1]
    1. A spinning preparation machine with a device for feeding and / or removing fiber material, which device comprises at least one trough-shaped guide element (23, 9, 2) with a guide surface (23a, 9a, 2a) which is connected to a conveyor roller (22, 1, 7) 8) of the spinning preparation machine and which is capable of cooperating with the conveyor roller (22; 1; 7, 8), the fiber material being guided against and along the guide surface (23a; 9a; 2a), characterized in that the device for feeding and / or discharging fiber material comprises a device for generating vibrations, with which the at least one trough-shaped guide element (23; 9; 2) arranged opposite the conveyor roller (22; 7, 8; 1) can be put into vibration.
    [2]
    2. Spinning preparation machine according to claim 1, characterized in that the device for generating vibrations comprises a piezoelectric actuator (27, 28).
    [3]
    3. spinning preparation machine according to claim 2, characterized in that the piezoelectric actuator is a stacking actuator (27).
    [4]
    4. spinning preparation machine according to claim 2, characterized in that the piezoelectric actuator is a ring actuator (28).
    [5]
    5. spinning preparation machine according to claim 1, characterized in that the means for generating vibrations comprises a motor with imbalance.
    [6]
    6. spinning preparation machine according to one of claims 1 to 5, characterized in that the means for generating vibrations is formed so that the frequency of the vibrations between 10 Hz and 2000 Hz.
    [7]
    7. spinning preparation machine according to one of claims 1 to 6, characterized in that the spinning preparation machine is a Faserflockenspeiser.
    [8]
    8. spinning preparation machine according to claim 7, characterized in that the at least one trough-shaped guide element comprises a collection trough (23) whose guide surface (23a) opposite to a feed roller (22) of the fiber flake feeder is arranged.
    [9]
    9. spinning preparation machine according to one of claims 1 to 6, characterized in that the spinning preparation machine is a card, and that the at least one trough-shaped guide element comprises a feed trough (2), the guide surface (2a) relative to a feed roller (1) at the entrance of the card is arranged.
    [10]
    10. spinning preparation machine according to one of claims 1 to 6, characterized in that the spinning preparation machine is a card, and that the at least one trough-shaped guide element (9) is arranged with its guide surface (9a) for removing and summarizing a batt at the output of the card.
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    同族专利:
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    CN102808244B|2016-05-18|
    BR102012012968B1|2020-10-20|
    CN102808244A|2012-12-05|
    GB2491462A|2012-12-05|
    GB2491462B|2014-06-25|
    US8621721B2|2014-01-07|
    DE102011103840A1|2012-12-06|
    ITMI20120667A1|2012-12-02|
    BR102012012968A2|2014-12-09|
    GB201209414D0|2012-07-11|
    US20120305622A1|2012-12-06|
    CH705085A2|2012-12-14|
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    法律状态:
    2014-07-15| PCAR| Change of the address of the representative|Free format text: NEW ADDRESS: HOLBEINSTRASSE 36-38, 4051 BASEL (CH) |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102011103840A|DE102011103840A1|2011-06-01|2011-06-01|Device on a spinning preparation machine, e.g. Faserflockenspeiser, carding, cleaner o. The like. For feeding and / or removal of fiber material|
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