EP3140233A1 - Textilmaschine zur herstellung von vorgarn sowie verfahren zum starten der vorgarnherstellung an einer entsprechenden textilmaschine - Google Patents
Textilmaschine zur herstellung von vorgarn sowie verfahren zum starten der vorgarnherstellung an einer entsprechenden textilmaschineInfo
- Publication number
- EP3140233A1 EP3140233A1 EP15726284.1A EP15726284A EP3140233A1 EP 3140233 A1 EP3140233 A1 EP 3140233A1 EP 15726284 A EP15726284 A EP 15726284A EP 3140233 A1 EP3140233 A1 EP 3140233A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roving
- sleeve
- unit
- solidifying agent
- textile machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/40—Arrangements for connecting continuously-delivered material to bobbins or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H65/00—Securing material to cores or formers
- B65H65/005—Securing end of yarn in the wound or completed package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
- B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
- B65H67/0417—Arrangements for removing completed take-up packages or for loading an empty core for loading an empty core
- B65H67/0422—Arrangements for removing completed take-up packages or for loading an empty core for loading an empty core for loading a starter winding, i.e. a spool core with a small length of yarn wound on it; preparing the starter winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
- B65H2701/311—Slivers
Definitions
- the present invention relates to a textile machine for producing roving with at least one solidifying agent by means of which a roving having a protective rotation can be produced from a fiber structure fed to the solidifying agent, and with a winding device arranged downstream of the solidifying agent in a transport direction of the roving for winding up the solidifying agent prepared roving on a drivable by means of a sleeve drive sleeve.
- a method for operating a corresponding textile machine is proposed.
- Roving is produced from slivers pretreated (eg doubled) with the aid of stretching and serves as a template for the subsequent spinning process in which the individual fibers of the roving are spun into a fiber yarn, for example with the aid of a ring spinning machine.
- a drafting system which is usually part of the corresponding textile machine, and then to provide it with a protective rotation.
- the said strength is important to prevent ripping of the roving when winding on a sleeve or during the supply to the downstream spinning machine.
- the given protective rotation must on the one hand be so strong that a cohesion of the individual fibers is ensured during the individual winding or unwinding operations as well as corresponding transport processes between the respective machine types. On the other hand, it must be ensured despite the protective rotation that the roving can be further processed in a spinning machine - the roving must therefore continue to be delayable.
- flyers are primarily used, but their delivery speed is limited due to centrifugal forces that occur. Therefore, there have already been various proposals to circumvent the flyer or to replace it with an alternative machine type (see, for example, EP 0 375 242 A2, DE 32 37 989 C2).
- the solidification of the unconsolidated fiber structure described therein is effected by means of a solidifying agent, which causes no rotation, but a spiral looping of a sliver by one or more filament yarns, preferably monofilament Filamentgar- ne, which hold the fiber structure and give it its strength.
- the spirals of the individual filament yarns can be arranged in the same direction or in opposite directions. Preference is given to two filament yarns, which are arranged in opposite directions or cross over.
- the roving produced in this way is thus essentially composed of a sliver of parallelized staple fibers and one or more fine-denier filament yarns spirally wound around the sliver.
- the filament yarn may be applied to small diameter small coils.
- the filament yarn is then pulled off the stationary bobbin and pulled through the bobbin axis along with the fiber strand, the filament yarn being wound around the fiber web and the number of turns drawn from the bobbin corresponding to the number of turns applied to the fiber web.
- the binding point should be determined by a suitable thread guide.
- WO 2009/086646 A1 Another method of producing roving is described in WO 2009/086646 A1, the method comprising the following steps: 1) providing a fiber composite in the form of two, preferably untwisted, fiber ribbons, 2) imparting S and Z turns over alternating ones Areas of the two slivers wherein portions of S and Z turns on the respective sliver are separated by portions without rotation; 3) merging the two S and Z twisted slivers into a roving wherein the two slivers due to automatically reverse their tendency to reverse.
- the S and Z rotations can z. B. by means of two elements of the used solidifying agent, which hold the respective sliver clamping, at least one element, preferably both elements, the sliver by a relative movement on its surface transverse to the sliver longitudinal direction on both sides alternately impart opposing rotations. At the same time the respective sliver is moved in sliver direction.
- the S and Z rotations can also be generated by means of an aerodynamic, in particular pneumatic, process.
- the alternating S and Z turns are also interrupted by changing areas without rotation.
- the two slivers provided in the same way with S and Z turns are finally brought together in the so-called merging point.
- the slivers begin to spin automatically, ie they wrap around each other. This so-called fraen maintains the S and Z rotations in the individual slivers, so that a self-stabilizing two-component roving arises.
- the regions without rotation in the first sliver should be offset longitudinally relative to the regions without rotation in the second sliver, so that no two regions are adjacent to each other without rotation of the first and second sliver in the resulting roving, since the strength of the roving depends substantially on the phase senlage the areas without rotation of the two slivers depends.
- the rovings are therefore, as described above, always brought together with the aid of the solidifying agent so that their areas are out of phase without rotation.
- the roving produced in this way has a higher strength compared to a non-twisted fiber composite, which ultimately suffices to wind the roving onto a bobbin without any distortion and to unwind it again.
- the starting process of roving production in which the roving leaving the solidifying agent has to be brought into contact with an empty tube in order to be able to wind it up onto the driven sleeve, is critical in the cited methods.
- Object of the present invention is therefore to propose a method for starting the Vorgarnher too on a textile machine and a textile machine for the production of roving, with a corresponding starting process is feasible.
- the object is achieved with a textile machine and a method for starting the Vorgarnher too on a textile machine with the features of the independent claims.
- the proposed textile machine is characterized in that it has an arrangement by means of which the roving, which leaves the solidifying agent during a starting process of Vorgarnher too, can be brought into contact with the sleeve.
- Said arrangement here comprises a movably mounted suction unit with a suction opening, with the aid of which the roving can be sucked in after passage of the solidifying agent while the roving is being produced.
- the suction unit is preferably connected to a common source of negative pressure for a plurality of solidifying agents, so that an air flow directed into the suction opening can be produced in the region of the suction opening, through which the roving can be sucked after leaving the solidifying agent.
- the task of the suction unit is essentially to suck in the roving emerging from the solidifying agent during the start of the roving production and at least to take long and optionally remove until the roving was brought into contact with the sleeve as described below, to be wound up by this.
- said assembly comprises means by which the roving between the solidifying agent and the suction port during start-up of the roving can be brought into contact with the sleeve during ongoing roving production (i.e., with active, roving-producing solidifying agent).
- mechanically or pneumatically operating devices can be used, which allow movement of the roving in the direction of the sleeve and thereby cause the necessary for the start of the winding operation contact between roving and sleeve (wherein the sleeve has a contact portion with a plurality of prongs may have, which fix the roving to the sleeve surface).
- the said arrangement comprises means by means of which the roving can be severed during ongoing roving production such that the portion of the roving grasped by the suction unit can be removed with the aid of the suction unit and the portion of the roving extending between the solidifying agent and the sleeve onto the sleeve is rewindable.
- this may be a separate separation unit that is moved into the run of the roving. It is also conceivable to accomplish the separation of the roving by means of the suction unit, by means of which a tension necessary for the roving separation can be exerted on the roving.
- the textile machine comprises all the devices necessary for a successful starting process of the roving production, ie for the connection of the roving with the sleeve leaving the solidifying agent at the start of the roving production, the separation of the roving in a defined region and the winding of the center of the consolidation Roving portion (ie, the roving portion extending after the separation of the roving between the solidifying agent and the winding device) on the sleeve are necessary.
- the said solidifying agent can be designed differently.
- the solidifying agent is suitable for producing the roving in the manner described in the above-mentioned publications WO 2009/086646 A1 and DE 24 47 715 A1.
- the textile machine is designed as an air-spinning machine and the solidification agent as an air-spinneret, by which the protective rotation of the roving, as described above, is produced with the aid of fluidized-air flows (a section of a corresponding textile machine designed as an air-spinning machine is described by way of example in the description of the figures).
- the withdrawal unit may comprise, for example, two counter-pressable draw-off rollers, of which at least one by means of a drive in a rotational movement can be set in order to be able to clamp the roving between the two take-off rolls.
- the roving can be sucked in while the roving is being produced after passing through the withdrawal unit with the aid of the suction unit.
- the roving running between the drawing-off unit and the suction opening can be brought into contact with the sleeve during running roving production with the aid of the already described arrangement, whereby the roving can be severed during running roving production such that the section of roving detected by the suction unit can be dissipated by means of the suction unit and the section of the roving extending between the drawing unit and the sleeve can be wound onto the sleeve with the aid of the means already mentioned in more detail below.
- At least one of the take-off rolls is also preferably in operative connection with a relief element (for example a pneumatic unit, an electromagnet or a tension or compression spring) with the aid of which the take-off rolls or one of the take-off rolls can be brought into a relief position in which a gap exists between the take-off rolls (in contrast, the take-off rolls are in their position against each other pressed).
- a relief element for example a pneumatic unit, an electromagnet or a tension or compression spring
- the take-off rolls can finally be brought into their load position in order to be able to pull off the roving from the solidifying agent.
- the roving running between the solidifying agent and the suction opening, or between the drawing unit (if present) and the suction opening can be brought into contact with the sleeve by means of a traversing unit, wherein the traversing unit is formed is to detect during the starting process of Vorgarnher too between the solidifying agent and the suction port, or, if a trigger unit is present, between the trigger unit and the suction port, extending portion of the roving and to move in the direction of the sleeve.
- the traversing unit may, for example, comprise a traversing arm with a guide section with the aid of which the roving can be grasped tangibly and subsequently guided on a predetermined path.
- the traversing arm may, for example, be mounted rotatably or pivotably about an axis in order to be able to move the roving in the direction of the sleeve after the contact between guide section and roving.
- the traversing arm can also be mounted reciprocally movable along an axis.
- the textile machine comprises a movably mounted separating unit with the aid of which the roving can be severed while the roving is running.
- the separation unit is preferably movable from a rest position in which it is not in contact with the roving during the start-up process of the roving, into a separating position in which it comes in contact with the roving and in this case causes a separation of the roving.
- the separation unit can in this case during the change between the rest position and separation position in the course of the roving, ie an area between the sleeve surface and the suction opening of the suction unit, be movable.
- the roving in the region of the separation unit is locally decelerated.
- the separating unit can be brought into contact with the sleeve in the disconnected position and is designed to press the roving against the sleeve surface in this case.
- the sleeve surface may include one or more surface portions having a plurality of prongs or similar elements that ensure that the roving in contact with the corresponding surface portion is securely held. If the separation unit can be brought into contact with the sleeve or with the said section whose surface is in contact, the roving can be pressed against the hooks (or similar elements) during the starting process of the roving production. As a result, it is finally ensured that the roving can be reliably caught by the sleeve and wound up accordingly.
- the separating unit comprises a movably mounted separating arm which, starting from the rest position, is movable, preferably pivotable, in the direction of the sleeve.
- the separation unit could comprise a pivotable separation arm, which can be pivoted abruptly into the run of the roving running between the suction opening of the suction unit and the sleeve during the separation process.
- the drive of the separating unit could comprise a pivotable separation arm, which can be pivoted abruptly into the run of the roving running between the suction opening of the suction unit and the sleeve during the separation process.
- Swivel arm be formed, the swivel arm after reaching the disconnected position as soon as possible (preferably within a period of time that is less than 3 seconds, preferably less than 2 seconds, more preferably less than 1 second) back to the rest position or one of the disconnected position deviating move to avoid influencing the Aufspulvorgangs the roving.
- the suction unit comprises a suction nozzle having the suction nozzle, which is pivotable about an axis of rotation, wherein the axis of rotation with the horizontal angle ⁇ forms, the amount between 0 ° and 30 °, preferably between 0 ° and 20 ° , more preferably between 0 ° and 15 °.
- the axis of rotation thus extends in particular obliquely to the horizontal and preferably also includes an angle with the vertical, which deviates from 0 ° and 90 °.
- the axis of rotation can be attached to a frame of the textile machine and to extend downwardly from the latter to the suction nozzle's suction nozzle so that it can be pivoted in a plane which extends both from the horizontal and from the vertical is cut.
- the maximum pivot angle of the suction pipe also preferably has an amount which is between 20 ° and 180 °, preferably between 40 ° and 90 °.
- the object of the present invention can also be achieved by a textile machine, which is characterized in that it is in operative connection with a control unit which is designed to operate the textile machine during a starting process of Vorgarnher too according to previous and / or subsequent description.
- control unit preferably stands with the drafting device, the solidifying agent (if an air-spinneret is used as solidifying agent: with the air supply of the air-spinneret), the extraction unit (if present), the suction unit (in particular its suction nozzle and the associated vacuum supply) and Sleeve drive in operative connection to operate said units according to the inventive method and to perform the corresponding steps in the inventive manner.
- the textile machine may have one or more of the additional features described so far or in the following, as far as they are not in conflict with each other.
- the portion of the roving present after severing the roving in the suction unit is finally removed by means of the suction unit, whereas the portion of the roving located between the solidifying agent and the sleeve is wound onto the sleeve.
- the essence of the method according to the invention is that the roving leaving the solidifying agent at the beginning of the roving production is initially, i. h before contact with a provided sleeve, is detected by the suction unit.
- the roving thus comes after leaving the solidifying agent in the region of the suction unit or its suction probes and is sucked by means of negative pressure in the suction unit (the solidifying agent thus provides roving, after passing through the solidifying agent, or, if a trigger unit is present, after passing the suction unit, is sucked by the suction unit, wherein the sucked portion is not wound on the sleeve, but after separation from the remaining, leaving the solidifying agent, roving is disposed of via the suction unit).
- the roving which is still supplied by the solidifying agent, extends between the solidifying agent or a downstream draw-off unit and the sleeve and can be wound onto the rotating sleeve in accordance with the delivery speed of the solidifying agent until the sleeve reaches the wished to have Vorgarnmenge and must be replaced with a new sleeve.
- the portion of the roving extending between the solidifying agent and the suction unit is transferred from the suction unit to a traversing unit before it is severed, which subsequently brings the roving into contact with the rotating sleeve.
- the movement of the roving in the direction of the sleeve is in this case not or not exclusively effected by the suction unit, but by said traversing unit, which preferably has a corresponding guide portion, by means of which the roving can be guided and moved in the direction of the sleeve ,
- the roving is brought into contact with the sleeve during the starting operation, preferably with the aid of a traversing unit, and that the section of the roving subsequently extending between the sleeve and the suction unit has one, preferably and at least partially, of the suction unit generated tensile stress is applied, which causes a severing of the roving in the region between the sleeve and the suction unit.
- the above-mentioned severing of the roving section running between the solidifying agent and the suction unit takes place in this case with the aid of the suction unit, which exerts a tensile stress on the roving by the applied negative pressure, which finally causes it to rupture.
- the tension can be increased briefly by changing the negative pressure for the separation process.
- a movement of the suction pipe of the suction unit in a direction facing away from the sleeve in order to increase said tensile stress.
- the roving is severed by means of a separating unit, wherein the separating unit is brought into contact with the roving after the roving has been transferred to a traversing unit and preferably after or while the roving with the rotating sleeve in Contact was or is.
- the separation unit may comprise a separation arm which is pivoted or otherwise moved into the run of the roving. It is crucial that the roving comes into contact with the separation arm or a separating element thereof. This creates a friction between roving and separation arm or separator, which causes a short-term or abrupt braking of the roving.
- the roving If the roving has already been caught by the rotating sleeve, it is braked before being wound onto the sleeve.
- the resulting tensile stress finally causes a severing or ripping of the roving in the region of the separating element, so that the suction unit side roving (ie, the roving section which extends into the interior of the suction unit after severing or tearing the roving) is sucked off the suction unit and the solidifying agent-side roving can be (further) wound on the sleeve, wherein the solidifying agent-side roving extends between the solidifying agent and the sleeve.
- the suction unit side roving ie, the roving section which extends into the interior of the suction unit after severing or tearing the roving
- the peripheral speed of the sleeve is greater (preferably at most 10% greater) at the moment the portion of the roving running between the solidifying agent and the suction unit is brought into contact with the rotating sleeve is equal to the roving delivery speed of the solidifying agent.
- the sleeve is at least partially equipped with the above-mentioned check mark (which may be present for example by a surrounding the sleeve brush ring). If the roving comes into contact with these hooks (or similar elements) of the sleeve, their speed is slightly higher than the speed of the roving in this
- the prongs pierce into the roving and thus can grip this securely and fix it in the area of the sleeve surface.
- the roving delivery speed of the solidifying agent during the starting process at least temporarily, and preferably in the moment in which the running between the solidifying agent and the suction unit portion of the roving is brought into contact with the rotating sleeve, an amount which corresponds to at least 0.8 times, preferably at least 0.9 times, particularly preferably at least 0.95 times, the roving delivery speed which is provided for the normal operation of the textile machine following the starting process.
- the speed of delivery of the roving ie, the speed of the roving leaving the solidifying agent
- the effectiveness of the textile machine is particularly high in this case, since the delivery speed during the starting process compared to the aforementioned Vorgarnher too need not or only slightly throttled.
- the starting process can also be carried out particularly reliably since the delivery speed of the solidifying agent does not have to be increased or only insignificantly increased after the starting process.
- the circumferential speed of the sleeve is regulated such that the section of the roving running between the consolidating agent and the sleeve is at least partly sagging due to gravity. It is thus of advantage if the said section, in particular the section of the traversing unit which leads between the solidifying agent or the withdrawal unit (if present) and the sleeve or the roving, is only exposed to the tensile stress which is caused by the own weight of the corresponding roving section , This can be monitored for example by one or more sensors that monitor the slack of the roving in said area.
- the sleeve speed can be reduced. If, on the other hand, a corresponding maximum is exceeded, then the aforementioned rotational speed can be increased, so that the roving always runs with particularly low stress and therefore gentle between the solidifying agent or the preferably downstream extraction unit and the sleeve or the upstream traversing unit. An undesired tearing of the roving in this area is thereby almost impossible.
- Figures 1 to 5 a starting process according to the invention the Vorgarnher too on a schematically illustrated according to the invention, the preparation of roving serving, textile machine in the form of an air-spinning machine, and Figures 6 and 7 is a front view of a suction unit of an inventive
- Textile machine in the form of an air-spinning machine in two different positions.
- Figures 1 to 5 show a schematic view of a section of a textile machine according to the invention in the form of an air-spinning machine, which is used to produce a roving 1, at different times of a starting process of Vorgarnher too.
- the air-spinning machine can comprise a drafting system 16 with a plurality of corresponding drafting rollers 17 (only one of the drafting rollers 17 is provided with a reference numeral for reasons of clarity), which is supplied with a fiber structure 3, for example in the form of a relined conveyor belt.
- the air-spinning machine shown in principle comprises one of the
- the air-spinning machine can include a take-off unit 4 with preferably two take-off rolls 18 and a winding device 5 downstream of the take-off unit 4 for the roving 1 (the take-off unit 4 is therefore not absolutely necessary).
- the Winding device 5, in turn, preferably comprises a sleeve drive 6 and a sleeve receptacle 21 which is connected to the sleeve drive 6 and is known in principle, with the aid of which a sleeve 7 can be fixed and set into rotary motion with the aid of the sleeve drive 6.
- the air-spinning machine now works according to a special air-spinning process.
- the fiber structure 3 is guided in a transport direction T via an inlet opening, not shown, into the swirl chamber of the air-jet nozzle 2. There it receives a protective rotation, ie at least part of the fibers of the fiber composite 3 is detected by a vortex air flow, which is generated by appropriately placed air nozzles. A part of the fibers is in this case pulled out of the fiber structure 3 at least a little bit and wound around the tip of a protruding into the vortex chamber Garn Strukturselements.
- the fibers of the fiber composite 3 are withdrawn from the vortex chamber via an inlet mouth of the yarn formation element and a withdrawal channel disposed within the yarn formation element and adjoining the inlet mouth.
- the free fiber ends are drawn on a spiral path in the direction of the inlet mouth and loop as Umwindefasern to the centrally extending core fibers - resulting in one of the desired
- the roving 1 has by the only partial rotation of the fibers a (residual
- FIGS. 1 to 5 A possible starting process according to the present invention is shown in FIGS. 1 to 5.
- a fiber strand 3 is supplied by starting the drafting system 16 in the air-spinning nozzle 2.
- the roving 1 leaves the air-jet nozzle 2 via an outlet opening 20 (not shown in the cited figures) and is detected by the air flow of a suction unit 8.
- the suction unit 8 preferably has a suction nozzle 13 with a suction opening 9, via the air and thus also the emerging from the air-jet nozzle 2 roving 1 on or is sucked.
- the roving 1 produced by the air-jet nozzle 2 thus leaves the air-jet nozzle 2 and is conveyed via the suction opening 9 (which is located, for example, in the region of the preferably existing extraction unit 4 or in the region of the outlet opening 20 of the air-jet nozzle 2; 6) sucked into the suction unit 8, wherein the delivery speed of the air-jet nozzle 2 preferably corresponds to the delivery speed prevailing after the starting process or is only slightly (preferably at most 20%) smaller than this.
- control unit 15 is provided, which is in operative connection with the described elements of the air spinning machine to perform the starting process of the invention Vorgarnher too.
- the control unit 15 may be present per spinning station of the air spinning machine. It is also conceivable that a control unit 15 is responsible for several spinning stations.
- the suction unit 8 is moved into a transfer position (preferably pivoted about a pivot or rotation axis 14), in which the suction opening 9 and thus also a section of the roving 1 (which, by the way, still always supplied by the air-jet nozzle 2) is in the region of the sleeve surface - a contact between sleeve 7 and roving 1 preferably does not exist at this stage.
- the traversing unit 10 While the suction unit 8 assumes its position shown in FIG. 2 (or shortly thereafter), the traversing unit 10 is brought into the position indicated schematically in FIG. 3, in which the roving 1 is grasped and guided by the traversing unit 10.
- the traversing unit 10 moves the roving 1 in this case in the vicinity of the sleeve 7 or causes a direct contact between sleeve 7 and roving 1, in which the roving 1 (preferably under the action of corresponding rough surface portions of the sleeve 7) is detected by the sleeve 7.
- a separation unit 11 is activated, which comprises, for example, a movable (preferably pivotable) separation arm 12.
- the separation unit 11 is in this case brought into contact with the roving, preferably with the portion thereof, which is located between the traversing unit 10 and suction opening 9, in this moment there is a local deceleration of the roving 1 in the area associated with the separation unit. 1 comes into contact, so that the roving 1 finally tears between sleeve 7 and separating element, since it continues to be wound by the rotating sleeve 7, that is, subjected to a tensile stress is (see Figure 4).
- the tearing of the roving 1 finally results in a suction-unit-side section of the roving 1 which can be removed via the suction unit 8 (the section of the roving 1 located after the roving 1 has been severed in the suction unit 8 is indicated by reference numeral 4 in FIG 19 provided).
- an air-jet nozzle-like roving section which is already covered by the sleeve 7 and which extends between the air-jet nozzle 2 and the sleeve 7, is formed.
- the roving 1 further supplied by the air-jet nozzle 2 is finally continuously wound onto the sleeve 7, wherein the traversing unit 10 by a movement in the direction of the axis of rotation of the sleeve 7 (see arrow C) ensures that the roving. 1 is evenly wound on the sleeve 7 (see Figure 5).
- the separation unit 11 and also the suction unit 8 their Finally, the air-spinning machine is in its normal, following the starting process, operating mode in which the sleeve 7 is spooled with roving 1 until the desired coil size is reached.
- FIGS. 6 and 7 shows the suction position (ie the position in which the roving 1 after leaving the outlet opening 20 of the air-jet nozzle 2 is sucked in - see FIG. 1) and
- FIG 7 shows the transfer position (ie the position indicated in FIG. 2, in which the roving 1 has been moved in the vicinity of the sleeve 7) (the roving 1 is not shown in FIGS. 6 and 7).
- the suction nozzle 13 of the suction unit 8 is movably mounted about an axis of rotation 14 which encloses an angle ⁇ with the horizontal, the amount of which deviates from 0 ° and, for example, between 0 ° and 30 ° °, preferably between 0 ° and 20 °, more preferably between 0 ° and 15 °.
- the proboscis 13 can thus be pivoted obliquely downward to position the roving 1 side of the sleeve 7.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00696/14A CH709605A1 (de) | 2014-05-08 | 2014-05-08 | Textilmaschine zur Herstellung von Vorgarn sowie Verfahren zum Betrieb einer entsprechenden Textilmaschine. |
PCT/IB2015/000479 WO2015170155A1 (de) | 2014-05-08 | 2015-04-14 | Textilmaschine zur herstellung von vorgarn sowie verfahren zum starten der vorgarnherstellung an einer entsprechenden textilmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3140233A1 true EP3140233A1 (de) | 2017-03-15 |
EP3140233B1 EP3140233B1 (de) | 2019-09-25 |
Family
ID=53276190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15726284.1A Active EP3140233B1 (de) | 2014-05-08 | 2015-04-14 | Textilmaschine zur herstellung von vorgarn sowie verfahren zum starten der vorgarnherstellung an einer entsprechenden textilmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US10563326B2 (de) |
EP (1) | EP3140233B1 (de) |
JP (1) | JP6602848B2 (de) |
CN (1) | CN106414821B (de) |
CH (1) | CH709605A1 (de) |
WO (1) | WO2015170155A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102016110304A1 (de) * | 2016-06-03 | 2017-12-07 | Maschinenfabrik Rieter Ag | Spinnereivorbereitungsmaschine in Form einer Strecke sowie Verfahren zum Betreiben derselben |
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DE1801978C3 (de) * | 1968-10-09 | 1974-04-11 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Verfahren und Vorrichtung zum selbsttätigen Aufbringen des Flyervorgarnes auf eine leere Hülse |
DE2447715C3 (de) | 1974-10-07 | 1978-09-07 | Hoechst Ag, 6000 Frankfurt | Vorgarn und Verfahren zu dessen Herstellung |
CS205716B1 (en) | 1979-02-15 | 1981-05-29 | Frantisek Burysek | Method of and apparatus for exchanging full bobbins for empty ones,especially in open-end spinning machines |
JPS5643164A (en) * | 1979-09-07 | 1981-04-21 | Nitto Boseki Co Ltd | Continuous winder for linear material |
DE3123494C2 (de) | 1981-06-13 | 1992-07-09 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Verfahren und Vorrichtung zum Aufwinden eines neu angesponnenen Fadens auf eine in eine Spulvorrichtung eingelegte Leerhülse |
JPS6056817B2 (ja) | 1981-10-13 | 1985-12-12 | 村田機械株式会社 | 紡績糸 |
CA2005018A1 (en) | 1988-12-12 | 1990-06-12 | Elbert F. Morrison | Vacuum spinning of roving |
DE3909422A1 (de) * | 1989-03-22 | 1990-10-11 | Fritz Stahlecker | Spinnmaschine |
JPH03174026A (ja) * | 1989-12-01 | 1991-07-29 | O M Ltd | 一斉揚玉揚装置に於ける糸切装置 |
JP2511725B2 (ja) * | 1990-05-30 | 1996-07-03 | 株式会社クラレ | 糸掛方法およびその装置 |
JP3077346B2 (ja) * | 1992-01-23 | 2000-08-14 | 株式会社豊田自動織機製作所 | 粗糸替機における粗糸切断装置 |
ES2208927T3 (es) * | 1996-07-16 | 2004-06-16 | Owens Corning | Procedimiento para lubricar un aparato de devanado. |
JP2001131822A (ja) * | 1999-10-26 | 2001-05-15 | Toray Eng Co Ltd | 糸条処理装置および糸条製造設備 |
DE10241578A1 (de) * | 2002-09-07 | 2004-03-18 | Zinser Synthetics Gmbh | Spulvorrichtung für Spinnereimaschinen |
JP4059206B2 (ja) * | 2004-02-06 | 2008-03-12 | 村田機械株式会社 | バンチ巻装置を備えた紡績機 |
CZ2007637A3 (cs) | 2007-09-12 | 2009-03-25 | Rieter Cz A. S. | Obslužné zarízení tryskového doprádacího stroje a zpusoby manipulace s prízí na pracovním míste tryskového doprádacího stroje |
WO2009086646A1 (de) | 2008-01-11 | 2009-07-16 | Maschinenfabrik Rieter Ag | Verfahren zum herstellen eines vorgarns. |
JP2009227413A (ja) * | 2008-03-24 | 2009-10-08 | Murata Mach Ltd | 糸巻取機 |
EP2112258B1 (de) * | 2008-04-25 | 2016-05-11 | Maschinenfabrik Rieter Ag | Vorrichtung und Verfahren zum Aufwinden eines Vorgarnes auf eine Spule |
DE102010035068A1 (de) * | 2010-06-11 | 2011-12-15 | Oerlikon Textile Gmbh & Co. Kg | Kreuzspulen herstellende Textilmaschine mit einem verfahrbaren Wanderaggregat zum Einsetzen einer Leerhülse |
CH705236A1 (de) * | 2011-07-15 | 2013-01-15 | Rieter Ag Maschf | Spulmaschine. |
CH705237A1 (de) | 2011-07-15 | 2013-01-15 | Rieter Ag Maschf | Antrieb einer Spulmaschine. |
EP2731900B1 (de) * | 2011-07-15 | 2017-02-01 | Maschinenfabrik Rieter AG | Garnwickler und verfahren zum wickeln von garn auf spulen |
DE102012102695A1 (de) * | 2012-03-29 | 2013-10-02 | Maschinenfabrik Rieter Ag | Vorspinnmaschine mit einer Anordnung zur Detektion und Entfernung von Garnfehlern |
DE102012016853A1 (de) * | 2012-08-25 | 2014-02-27 | Saurer Germany Gmbh & Co. Kg | Verfahren zum Verbinden eines Ober- und Unterfadens an einer Arbeitsstelle einer Spulmaschine und Arbeitsstelle einer Spulmaschine |
CH709606A1 (de) * | 2014-05-08 | 2015-11-13 | Rieter Ag Maschf | Verfahren zum Betrieb einer Textilmaschine, die der Herstellung von Vorgarn dient, sowie Textilmaschine. |
CH709607A1 (de) * | 2014-05-08 | 2015-11-13 | Rieter Ag Maschf | Verfahren zum Betrieb einer Textilmaschine zur Herstellung von Vorgarn, sowie Textilmaschine hierzu. |
CH709692A1 (de) * | 2014-05-26 | 2015-11-30 | Rieter Ag Maschf | Spinnereivorbereitungsmaschine mit Hülsentransporteinrichtung. |
CH709694A1 (de) * | 2014-05-26 | 2015-11-30 | Rieter Ag Maschf | Spinnereivorbereitungsmaschine zum Herstellen eines Vorgarns. |
CH709693A1 (de) * | 2014-05-26 | 2015-11-30 | Rieter Ag Maschf | Verfahren zum Betreiben einer Textilmaschine sowie Textilmaschine zur Herstellung von Vorgarn. |
-
2014
- 2014-05-08 CH CH00696/14A patent/CH709605A1/de not_active Application Discontinuation
-
2015
- 2015-04-14 WO PCT/IB2015/000479 patent/WO2015170155A1/de active Application Filing
- 2015-04-14 US US15/309,457 patent/US10563326B2/en not_active Expired - Fee Related
- 2015-04-14 JP JP2017510784A patent/JP6602848B2/ja not_active Expired - Fee Related
- 2015-04-14 CN CN201580024129.9A patent/CN106414821B/zh not_active Expired - Fee Related
- 2015-04-14 EP EP15726284.1A patent/EP3140233B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
JP6602848B2 (ja) | 2019-11-06 |
JP2017517652A (ja) | 2017-06-29 |
CH709605A1 (de) | 2015-11-13 |
US10563326B2 (en) | 2020-02-18 |
CN106414821B (zh) | 2020-03-10 |
WO2015170155A1 (de) | 2015-11-12 |
CN106414821A (zh) | 2017-02-15 |
US20170152125A1 (en) | 2017-06-01 |
EP3140233B1 (de) | 2019-09-25 |
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