EP3148913A1 - Verfahren zum betreiben einer textilmaschine sowie textilmaschine zur herstellung von vorgarn - Google Patents
Verfahren zum betreiben einer textilmaschine sowie textilmaschine zur herstellung von vorgarnInfo
- Publication number
- EP3148913A1 EP3148913A1 EP15726289.0A EP15726289A EP3148913A1 EP 3148913 A1 EP3148913 A1 EP 3148913A1 EP 15726289 A EP15726289 A EP 15726289A EP 3148913 A1 EP3148913 A1 EP 3148913A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roving
- sleeve
- normal operation
- solidifying agent
- produced
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
-
- 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
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
-
- 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
-
- 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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/04—Doffing arrangements integral with spinning or twisting machines
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/16—Yarn-severing arrangements, e.g. for cutting transfer tails; Separating of roving in flyer
-
- 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
-
- 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
- D01H1/11—Spinning by false-twisting
- D01H1/115—Spinning by false-twisting using pneumatic means
Definitions
- the present invention relates to a method for operating a textile machine, which is used to produce roving, wherein during normal operation at least one solidifying agent of the textile machine, a fiber structure is supplied, wherein from the fiber structure by means of the solidifying agent, a protective rotation having roving is prepared, wherein the Roving yarn is wound on a sleeve after leaving the solidifying agent and winding a downstream of the solidifying agent in a direction of transport of the roving, and is monitored by means of a sensor, whether a roving is produced by the solidifying agent and / or that produced by the solidifying agent Roving is wound on the sleeve.
- a textile machine for producing roving is proposed with at least one solidifying agent, with the aid of which a roving having a protective rotation can be produced during normal operation from a fiber dressing fed to the solidifying agent.
- the textile machine has a winding device downstream of the solidifying agent in a transport direction of the roving for winding the roving prepared by the solidifying agent on a sleeve and a sleeve changing device, with the aid of a spooled by the winding device sleeve is replaced by an empty sleeve.
- the textile machine comprises an arrangement by means of which a starting process can be carried out, in which the roving produced by the solidifying agent after commissioning thereof is brought into contact with an empty tube located in the region of the winding device and subsequently wound up.
- the textile machine comprises a sensor which is designed to monitor whether a roving is produced by the solidifying agent and / or whether the roving is wound on the sleeve.
- Roving is produced from sliver pretreated (eg doubled) fiber slivers, which are usually used as a template for the subsequent spinning process
- CONFIRMATION COPY the individual fibers of the roving for example by means of a ring spinning machine, are spun into a yarn.
- a drafting system which is usually part of the corresponding roving
- 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 granted protection rotation must be on the one hand so strong that a cohesion of the individual fibers during the individual Aufg. Abspulvor réelle and appropriate transport operations between the respective machine types is guaranteed. 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 In order to produce a corresponding roving, so-called flyers are primarily used, but their delivery speed is limited due to centrifugal forces occurring. Therefore, there were already many suggestions to bypass the flyer or replace it with an alternative machine type.
- 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 rotations over alternating ones Areas of the two slivers wherein portions of S and Z turns on the respective sliver are separated by non-rotating portions; 3) merging the two slits provided with S and Z turns into a roving, the two slivers due to their backward twisting tendency automatically twist together.
- the S and Z rotations can z. B. by means of two elements of the used solidifying agent, which hold the respective sliver clamping, wherein 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, d. H. they wind each other over.
- 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 arranged offset to the regions without rotation in the second sliver in the longitudinal direction, so that never two areas without rotation of the first and second sliver in the resulting roving adjacent to each other, as the Strength of the roving significantly depends on the phase position of the areas without rotation of the two slivers.
- 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 finally has a higher strength compared to a non-twisted fiber composite, which is ultimately sufficient to wind the roving without Benedictverman on a spool and unwind from this again.
- the object of the present invention is therefore to propose a method for operating a textile machine and a corresponding textile machine which do not have this disadvantage.
- the method is characterized in that when it is detected with the aid of the aforementioned sensors that no roving is produced by the solidifying agent or that the roving produced by the solidifying agent is not wound on the sleeve, an interruption of the normal operation takes place.
- the interruption may occur, for example, when the solidification agent clogs during the supply of fiber composite, so that no roving production can be done more.
- the roving produced thereafter by the solidifying agent is no longer in the area of the winding device or one associated with this traversing device (the roving during the winding process in an iridescent back and forth Moving along the axis of rotation of the sleeve leads) can get.
- the air supply of the solidifying agent which is designed, for example, as an air-jet nozzle, is interrupted.
- a stopping of the winding device or a sleeve during normal operation in a rotational movement offset drive takes place.
- a possibly existing extraction device eg, a take-off roller pair downstream of the solidifying agent
- any traversing device should be stopped.
- a starting operation is carried out, in which the roving produced by the solidifying agent after commissioning the same with the empty (new) sleeve in contact is brought.
- one or more roving handling devices of an arrangement can be used which detect the roving coming from the solidifying agent and move it into the area of the winding device or the aforementioned traversing device. As soon as the roving has been brought into contact with the empty tube (ie following the starting process), the roving produced by the solidifying agent is wound onto the tube and normal operation is resumed.
- a sleeve located in the winding device is so in the context of the present invention with roving bobbins until it has a predetermined Bespulungsgrad or until there is an unwanted interruption of Vorgarnher too by the solidification or until, for some reason, the winding of fails the roving delivered to the solidifying agent on the sleeve.
- the interruption of normal operation always takes place if the scheduled production of roving by the workstation or the scheduled winding up of the produced roving due to an unforeseen incident does not occur.
- the starting operation and the subsequent return to normal operation may take place after the textile machine or workstations thereof (each comprising at least one solidifying agent and one winding device) is stopped on schedule, ie when the roving production is due to a deliberate stop of the respective sections, for example, due to a change of the container providing the fiber strand, takes place.
- 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).
- a drafting device arranged upstream of the solidifying agent in the aforementioned transport direction is stopped for stretching the fiber strand.
- the solidifying agent can be freed from impurities or blockages in this case in order to reliably produce roving again during the starting process can.
- the solidifying agent is designed as an air-spinning nozzle, it is advantageous if, during the interruption, the supply of the air introduced into the spinneret during normal operation to produce the eddy-air flow is stopped in order to allow the spinneret to be cleaned.
- the drafting device is put back into operation and the solidifying agent or the air supply of the air spinning nozzle forming the solidifying agent is activated in order to allow the necessary roving production in this process step.
- a possibly existing extraction device or said traversing device is put into operation again to ensure the leadership of the roving between solidifying agent and winding device or sleeve.
- the roving produced by the solidifying agent during normal operation between the solidifying agent and the currently wound sleeve is monitored with respect to one or more physical characteristics.
- the parameters may be the respective current or averaged over a certain period of time (or otherwise statistically evaluated) thickness of the roving or deviations thereof from a desired value (range).
- sleeves which were completely bespultured during normal operation in accordance with a predetermined setpoint and sleeves that were only partially rinsed with roving due to an interruption of normal operation are transported to the respective sleeve exchange operations to separate collection or transfer points.
- This can be done either by the fact that the separate collecting or transfer points are arranged directly in the field of winding device, and that the sleeve changing device, the sleeves depending on Bespulungsgrad (ie whether the sleeve is completely or only partially bespult according to relevant specifications with roving) to one of the two bodies passes.
- the sleeve changing device can be assigned a plurality of transport devices (for example in the form of conveyor belts).
- the sleeve changing device passes in this case, the corresponding sleeve depending on their Bespulungsgrads to one of the transport devices.
- a first transport device exclusively receives only the completely insufflated sleeves and a second transport device only the due to an interruption of normal operation only partially insufflated sleeves and transported to appropriate removal or storage locations.
- the sleeve changing device only one Assigned transport device, which in turn has one or more switches, with the help of which the sleeves can be routed depending on Bespulungsgrad on subsequent transport facilities or removal or storage bins.
- the solidifying agent is cleaned after a successful interruption of the normal operation and before the subsequent resumption of normal operation, to remove still in the solidifying fibers of the fiber composite and / or the roving from the solidifying agent.
- the cleaning can be done for example by (preferably automatic) introducing compressed air or manually.
- a cleaning of the drafting system, possibly existing trigger device or said traversing device if it came here before the interruption of normal operation to blockages or other undesirable deposits of fibers of the fiber strand or roving.
- the textile machine according to the invention (which may comprise one or more of the above-mentioned workstations) is characterized in that it is associated with a control which is designed to interrupt the normal operation when it receives the signal from the sensor system that of the solidifying agent no roving is produced or that the roving produced by the solidifying agent is not wound on the sleeve.
- the controller is designed to activate the sleeve replacement device after the interruption of the normal operation in such a way that the sleeve, which has already been partly pre-shrunk before the interruption of the normal operation by means of the winding device, is replaced by an empty sleeve in the course of a sleeve exchange operation.
- the controller is adapted to activate said assembly to perform a start-up operation in which the roving produced by the setting agent during start-up of the solidifying agent following normal operation is brought into contact with the empty sleeve.
- the controller is designed to activate the winding device, so that the roving brought into contact with the sleeve is wound onto the sleeve, and the textile machine is subsequently operated again in normal operation.
- the controller is thus designed to operate the textile machine according to the inventive method described above in detail, wherein the controller may be configured to realize the individual advantageous embodiments of the method described above individually or in any desired combination.
- the sensor system may comprise one or more optical or capacitive sensors which monitor the course of the roving between the solidifying agent and the winding device.
- the controller should be designed to interrupt the normal operation described and to initiate the above-mentioned method steps, if the sensor detects that the course of the roving between the solidifying agent and the winding device is interrupted, although the textile machine or the corresponding job of the same actually in normal operation.
- the roving produced by the solidifying agent during normal operation between the solidifying agent and the currently wound sleeve with respect to one or more physical characteristics (e.g., the thickness of the roving or corresponding variations in thickness over time).
- the control should be designed to interrupt normal operation if one or more parameters deviate or deviate from one or more desired values in a defined manner.
- the controller should be designed to activate the sleeve changing device, said arrangement and the winding device according to the above description and then operate the textile machine again in normal operation.
- Figure 1 is a side view of a textile machine according to the invention.
- FIGS. 2 to 4 show a section of a starting process on a textile machine in FIG.
- Figure 1 shows a schematic side view of a textile machine according to the invention in the form of serving as an example of such a textile machine air-jet spinning machine 1, which serves to produce roving 2.
- the air spinning machine 1 preferably comprises a drafting system 13 with a plurality of corresponding drafting rollers 17 (only one of the six drafting rollers 17 shown is provided with a reference numeral), which is supplied with a fiber structure 4, for example in the form of a doubled conveyor belt.
- the fiber structure 4 as a rule comes from a container 14 (eg a spinning can) and can be fed to the drafting device 13, preferably after passing through a guide roller 27, via a guide 16, wherein the guide 16 can be designed as an elongate profile, for example ,
- the air-jet spinning machine 1 shown comprises one of the drafting device 13. standing and trained as an air spinner 3 solidifying agent with an internal, known from the prior art and therefore not shown vortex chamber and a likewise known and therefore also not shown projecting into the vortex chamber Garn avoirselement in the form of a hollow spindle.
- the fiber structure 4 or at least part of the fibers of the fiber composite 4 is provided with a protective rotation by means of a vortex air flow generated in the vortex chamber by air nozzles.
- the air-jet spinning machine 1 can moreover comprise a draw-off device 15 for the roving 2, which downstream of the drafting device 13 in the transport direction T shown and, for example, two take-off rolls 19 (the take-off device 5 is not absolutely necessary). Furthermore, a winding device 5 is present, which preferably serves to receive at least two sleeves 6 and with the aid of which the roving 2 can be spooled onto a sleeve 6, wherein the roving 2 in this case with the aid of a direction of the double arrow shown in Figure 1 and ago movable traversing element 8 is guided.
- the winding device 5 can in particular comprise a sleeve receptacle 12 (for example in the form of a platform) which can be rotated by means of a drive, on which the sleeves 6 can be fixed by means of corresponding retaining devices, not shown in more detail, wherein the holding devices and thus also the respective ones Sleeves 6, preferably via separate drives to a in Figures 2 to 4 indicated axis of rotation should be displaceable in a rotary motion (a corresponding sleeve drive 29 is indicated in Figures 2 to 4, in which case two holding devices, each with a separate sleeve drive 29 may be present, which are preferably part of the sleeve receptacle 12 shown in Figure 1).
- the air-jet spinning machine 1 operates according to a special air-spinning method.
- the fiber structure 4 is guided in the transport direction T via a not shown inlet opening into the swirl chamber of the air-jet nozzle 3.
- a protective rotation ie at least a part of the fibers of the fiber composite 4 is detected by said vortex air flow.
- a part of the fibers is hereby pulled out of the fiber structure 4 at least a little bit and wound around the tip of the yarn formation element projecting into the vortex chamber.
- the fibers of the fiber composite 4 are withdrawn from the vortex chamber via an inlet opening of the yarn formation element and a withdrawal channel arranged inside the yarn formation element and adjoining the inlet opening.
- the free fiber ends are pulled on a spiral path in the direction of the inlet opening and loop as Umwindemaschinen to the centrally extending core fibers - resulting in the desired protective rotation having roving. 2
- the roving 2 has by the only partial rotation of the fibers a delaying ability, which is essential for the further processing of the roving 2 in a subsequent spinning machine, such as a ring spinning machine.
- a subsequent spinning machine such as a ring spinning machine.
- conventional air-spinning devices impart to the fiber structure 4 such a strong rotation that the necessary distortion following the yarn production is no longer possible. This is also desirable in this case, since conventional air spinning machines are designed to produce a finished yarn, which should usually be characterized by a high strength.
- the roving 2 is wound after leaving the air-spinneret 3 by means of the winding device 5 on a sleeve 6. If the corresponding sleeve 6 sufficiently insufflated with roving 2, it is replaced by an empty sleeve 6, for which purpose said sleeve receptacle 12 is rotated about a preferably vertical axis of rotation until the empty sleeve 6 shown in Figure 1 on the position of in Figure 1 shown bespulten sleeve 6 and vice versa.
- a sleeve changing device 7 is activated, which transfers the spooled sleeve 6 to a transport path 18 (for example in the form of a conveyor belt) of a sleeve transport device 28, which finally transfers the sleeve 6 transported to a donor site, not shown.
- the corresponding transport path 18, of which several may be present, preferably comprises a plurality of sleeve holders 22, by means of which the sleeves 6 can be held during their transport.
- the winding device 5 could also have only a holding device for a sleeve 6.
- the guide 16 shown does not necessarily have to be present, the fiber structure 4 in this case, for example, immediately after leaving the container 14 (possibly with the interposition of a guide roller 27) is inserted into the drafting system 13.
- the tube transport device 28 does not necessarily have to be present.
- the air-spinneret 3 is a fiber strand 4, preferably by means of the drafting system 13, fed.
- said vortex air flow is generated within the air-jet nozzle 3, so that a roving 2 is formed from the supplied fiber structure 4, which finally leaves the air-spinning nozzle 3 and has to be guided into the area of the winding device 5 and transferred to an empty sleeve 6.
- FIGS. 2 to 4 now show a schematic view of a section of a textile machine according to the invention in the form of an air spinning machine 1 at different times of a starting operation (it being generally noted at this point that the air spinning machines 1 can of course comprise several work stations in the form of corresponding spinning stations, wherein the individual spinning units in turn have at least one separate air spinning nozzle 3 and a corresponding winding device 5).
- a fiber strand 4 is supplied by starting the drafting system 13 in the air-spinning nozzle 3.
- the above-described preparation of rovings takes place, in which the fiber structure 4 receives a protective rotation.
- the roving 2 leaves the air-jet nozzle 3 via an outlet opening (not shown in the figures) and is detected by the air flow of a suction unit 24 (which is part of a piecing arrangement with the aid of which a starting process can be carried out) the air-jet nozzle 3 can be brought into contact with a roving 2 made in the region of the winding device 5 after the same roving 2 has been put into operation).
- the suction unit 24 preferably has a suction nozzle 23 with a suction opening 20, through which air and thus also the roving 2 emerging from the air-jet nozzle 3 is sucked in or sucked in.
- the roving 2 produced by the air-jet nozzle 3 leaves the air-jet nozzle 3 and is sucked into the suction unit 24 via the suction opening 20, the delivery speed of the air-spinning nozzle 3 preferably corresponding to the delivery speed prevailing after the starting operation or only slightly smaller than this one is.
- Drawframe 13 active air-spinneret 3 and, if present, active (i.e., a roving 2 withdrawn from the air-jet nozzle 3) take-off device 15, so that a particularly high efficiency of the air-spinning machine 1 shown can be ensured.
- active i.e., a roving 2 withdrawn from the air-jet nozzle 3
- control 10 is provided, which is in operative connection with the described elements of the air spinning machine 1, to perform, inter alia, the described starting process and the sleeve replacement process described below.
- the controller 10 may be present per spinning station of the air-spinning machine 1. It is also conceivable that a controller 10 is responsible for several spinning stations.
- the suction unit 24 is moved into a transfer position (preferably the suction nozzle 23 is pivoted about a pivot axis 25), in which the suction opening 20 and thus also a portion of the roving 2 (which, moreover, still remains from the air spinneret 3 is supplied) in the region of the sleeve surface is - a contact between the sleeve 6 and roving 2 preferably does not exist at this stage.
- the traversing element 8 of a traversing unit 21 is converted into the position shown in FIG. table indicated position spent in which the roving 2 is detected and guided by the traversing element 8.
- the traversing unit 21 moves the roving 2 in the vicinity of the sleeve 6 or causes a direct contact between sleeve 6 and roving 2, so that the roving 2 (preferably under the action of corresponding rough surface portions of the sleeve 6) is detected by the sleeve 6.
- a separation unit is activated, which is also part of the above-mentioned arrangement and which, for example, comprises a movable (preferably pivotable) separating element 26.
- the separating element 26 is in this case brought into contact with the roving 2, preferably with the section thereof, which is located between the traversing unit 21 and the suction opening 20.
- there is a local deceleration of the roving 2 in the area which comes into contact with the separation unit, so that the roving 2 finally tears between sleeve 6 and separation unit, since it continues to be wound by the rotating sleeve 6, d. H. with a tensile force is applied.
- the roving 2 further supplied by the air-jet nozzle 3 is finally continuously wound onto the sleeve 6, wherein the traversing element 8 ensures by a movement in a direction parallel to the axis of rotation 11 of the sleeve 6 that the roving 2 evenly is wound on the sleeve 6.
- the air spinning machine 1 is finally in its normal operation following the starting process, in which the sleeve 6 is spooled with roving 2 until the desired spool size is reached is and the bespulte sleeve 6 can be replaced by a new, empty sleeve 6, and this can be done without interrupting the Vorgarnher too.
- the roving 2 between the air-jet nozzle 3 and the winding device 5 ruptures or that the drafting device 13 and / or the air-jet nozzle 3 clog with fibers, so that in the air-jet nozzle 3 no roving 2 is made more.
- the consequence is that no roving 2 more enters the area of the winding device 5, and this can be detected with the aid of a sensor system 9 indicated only in FIG. 1 (the sensor system 9 comprises one or more sensors, which in the Can be placed in the region of the drafting 13, the air-spinneret 3, the traversing unit 21, the winding device 5 or between said elements).
- the starting process described above is carried out, in which the roving 2, which has meanwhile been disposed in the winding device 5, is produced by the air-jet nozzle 3 after a corresponding start-up (during which the air-spinning nozzle 3 is again supplied with a fiber structure 4) empty sleeve 6 is brought into contact. Finally, the roving 2 produced or delivered by the air-jet nozzle 3 following the starting process is wound on said sleeve 6 and resumed normal operation.
- the roving 2 produced after the interruption is therefore not connected to the roving 2 which has been previously produced and which has been wound onto the corresponding sleeve 6. Rather, any unintentional interruption of the roving or the Aufspulvorgangs an interruption of normal operation, during which the partially bespulte sleeve 6 is replaced by an empty sleeve 6.
- the interruption the normal operation and the subsequent sleeve change operation and the corresponding startup process also take place when the mentioned sensor 9 detects that certain physical characteristics, such as the thickness of the air jet 3 leaving roving 2, does not meet the desired specifications.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CH00797/14A CH709693A1 (de) | 2014-05-26 | 2014-05-26 | Verfahren zum Betreiben einer Textilmaschine sowie Textilmaschine zur Herstellung von Vorgarn. |
PCT/IB2015/000648 WO2015181598A1 (de) | 2014-05-26 | 2015-05-07 | Verfahren zum betreiben einer textilmaschine sowie textilmaschine zur herstellung von vorgarn |
Publications (2)
Publication Number | Publication Date |
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EP3148913A1 true EP3148913A1 (de) | 2017-04-05 |
EP3148913B1 EP3148913B1 (de) | 2019-12-18 |
Family
ID=53276195
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Application Number | Title | Priority Date | Filing Date |
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EP15726289.0A Active EP3148913B1 (de) | 2014-05-26 | 2015-05-07 | Verfahren zum betreiben einer textilmaschine sowie textilmaschine zur herstellung von vorgarn |
Country Status (5)
Country | Link |
---|---|
US (1) | US10683188B2 (de) |
EP (1) | EP3148913B1 (de) |
CN (1) | CN106414289A (de) |
CH (1) | CH709693A1 (de) |
WO (1) | WO2015181598A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH709605A1 (de) * | 2014-05-08 | 2015-11-13 | Rieter Ag Maschf | Textilmaschine zur Herstellung von Vorgarn sowie Verfahren zum Betrieb einer entsprechenden Textilmaschine. |
CH712663A1 (de) * | 2016-07-14 | 2018-01-15 | Rieter Ag Maschf | Verfahren zum Verarbeiten eines strangförmigen Faserverbands sowie Vorspinnmaschine. |
US10647540B2 (en) | 2017-12-21 | 2020-05-12 | Reel Power Licensing Corp. | Low tension application coiler |
EP3708700A1 (de) * | 2019-03-13 | 2020-09-16 | Kavitha Chandran | Roving-rahmen mit einem überwachungssystem |
EP3973091A1 (de) * | 2019-05-23 | 2022-03-30 | Oerlikon Textile GmbH & Co. KG | Schmelzspinnverfahren und schmelzspinnvorrichtung zur herstellung synthetischer stapelfasern |
CN110528129A (zh) * | 2019-09-09 | 2019-12-03 | 徐州久源纺织有限公司 | 一种用于梳棉花捻线机的断线观察装置 |
CN112224981B (zh) * | 2020-09-29 | 2022-09-27 | 闽江学院 | 一种锦纶长丝自动绕卷机 |
CN113174667B (zh) * | 2021-04-30 | 2023-02-24 | 江苏格罗瑞节能科技有限公司 | 一种细纱机多区域视觉检测监控系统和方法 |
GB2610470A (en) * | 2021-06-25 | 2023-03-08 | Univ Jiangsu | Continuous automatic twisting and winding apparatus and method for polymer fibre artificial muscles |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3902308A (en) | 1973-09-19 | 1975-09-02 | Leesona Corp | Optical sensing system for textile apparatus |
DE2447715C3 (de) | 1974-10-07 | 1978-09-07 | Hoechst Ag, 6000 Frankfurt | Vorgarn und Verfahren zu dessen Herstellung |
DE3734565A1 (de) * | 1987-10-13 | 1989-05-03 | Schubert & Salzer Maschinen | Verfahren und vorrichtung zum anspinnen eines fadens an einer offenend-spinnvorrichtung |
US5237807A (en) * | 1989-10-02 | 1993-08-24 | Toray Engineering Co., Ltd. | Spinning machine |
DE4032116A1 (de) * | 1990-10-10 | 1992-04-16 | Fritz Stahlecker | Verfahren und vorrichtung zum erzeugen von kreuzspulen |
WO2009086646A1 (de) | 2008-01-11 | 2009-07-16 | Maschinenfabrik Rieter Ag | Verfahren zum herstellen eines vorgarns. |
EP2112258B1 (de) * | 2008-04-25 | 2016-05-11 | Maschinenfabrik Rieter Ag | Vorrichtung und Verfahren zum Aufwinden eines Vorgarnes auf eine Spule |
JP2011020838A (ja) | 2009-07-17 | 2011-02-03 | Murata Machinery Ltd | 自動ワインダの繊維機械管理システム及び自動ワインダ |
DE102009035393A1 (de) * | 2009-07-30 | 2011-02-03 | Oerlikon Textile Gmbh & Co. Kg | Spulenwechseleinrichtung für eine Vorspinnmaschine |
CH704780A1 (de) * | 2011-04-13 | 2012-10-15 | Rieter Ag Maschf | Vorspinnmaschine zur Herstellung eines Vorgarns. |
DE102012102695A1 (de) | 2012-03-29 | 2013-10-02 | Maschinenfabrik Rieter Ag | Vorspinnmaschine mit einer Anordnung zur Detektion und Entfernung von Garnfehlern |
DE102013014195A1 (de) * | 2012-11-10 | 2014-05-15 | Saurer Germany Gmbh & Co. Kg | Behebung einer Fadenunterbrechung beim Wickeln eines Fadens auf eine Kreuzspule |
CH709606A1 (de) * | 2014-05-08 | 2015-11-13 | Rieter Ag Maschf | Verfahren zum Betrieb einer Textilmaschine, die der Herstellung von Vorgarn dient, sowie Textilmaschine. |
-
2014
- 2014-05-26 CH CH00797/14A patent/CH709693A1/de not_active Application Discontinuation
-
2015
- 2015-05-07 US US15/313,453 patent/US10683188B2/en not_active Expired - Fee Related
- 2015-05-07 CN CN201580027735.6A patent/CN106414289A/zh active Pending
- 2015-05-07 WO PCT/IB2015/000648 patent/WO2015181598A1/de active Application Filing
- 2015-05-07 EP EP15726289.0A patent/EP3148913B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
US10683188B2 (en) | 2020-06-16 |
US20170101287A1 (en) | 2017-04-13 |
CN106414289A (zh) | 2017-02-15 |
EP3148913B1 (de) | 2019-12-18 |
WO2015181598A1 (de) | 2015-12-03 |
CH709693A1 (de) | 2015-11-30 |
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