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EP3149230A1 - Machine de préparation de filature - Google Patents

Machine de préparation de filature

Info

Publication number
EP3149230A1
EP3149230A1 EP15733881.5A EP15733881A EP3149230A1 EP 3149230 A1 EP3149230 A1 EP 3149230A1 EP 15733881 A EP15733881 A EP 15733881A EP 3149230 A1 EP3149230 A1 EP 3149230A1
Authority
EP
European Patent Office
Prior art keywords
preparation machine
guide
spinning preparation
drafting
sleeve
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
Application number
EP15733881.5A
Other languages
German (de)
English (en)
Other versions
EP3149230B1 (fr
Inventor
Christian Griesshammer
Petr Haska
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3149230A1 publication Critical patent/EP3149230A1/fr
Application granted granted Critical
Publication of EP3149230B1 publication Critical patent/EP3149230B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins

Definitions

  • the present invention relates to a spinning preparation machine comprising at least one solidifying agent for producing a protective twisted roving from a fiber dressing fed to the solidifying agent, with a drafting device for stretching the fiber strand before entering it into the solidifying agent, the drafting means contacting the solidifying agent in a conveying direction of the drafting system upstream, with a the drafting in the transport direction upstream guide for guiding the fiber composite between the fiber dressing providing container and the drafting system, wherein the guide facing away from the drafting Zuerrabites for the company in the spinning preparation machine from the container originating fiber strand and a drafting facing spinning section for the fiber structure, wherein the spinning preparation machine, a winding device for winding the roving on a sleeve a uf utilizat, and wherein the spinning preparation machine comprises a sleeve transport means for providing empty tubes and / or for discharging from the winding device wound with the roving sleeves.
  • the given protective rotation must on the one hand be so strong that a cohesion of the individual fibers during the individual winding and unwinding operations as well as corresponding transport processes 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 were used in the past, 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 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 can be applied to small spools of small diameter.
  • 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.
  • 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 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 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 Benedictververs on a spool and unwind from this again.
  • Object of the present invention is therefore to propose a spinning preparation machine, which differs in this regard in a positive manner from the prior art.
  • a spinning preparation machine whose solidifying agent is preferably designed as an air-spinning nozzle and operates according to the above-mentioned air-spinning method is characterized in that the sleeve transporting device has at least one transport path (eg in the form of a conveyor belt) for the transport of empty and / or with Roving comprises wound sleeves, wherein the transporting elements) in a plan view of the spinning preparation machine at least partially are arranged between the feed section of the guide for the fiber structure and the drafting system.
  • the transport path eg in the form of a conveyor belt
  • the transport path (s) of the tube transporting device fixed, for example, on an indoor floor of the hall receiving the spinning preparation machine may, for example, comprise a plurality of bobbin holders which serve to receive empty pods or pods which are spooled with the aid of the spinning preparation machine.
  • the sleeve holders are movable, for example, by movement of the transport path (s) between the spinning preparation machine and one or more collection stations for the empty or insufflated sleeves, so that the spinning preparation machine can always be supplied with empty tubes and the spooled tubes can be transported away from the spinning preparation machine.
  • the said sleeves are guided in the plan view of the spinning preparation machine by means of the transport path (s) between the feed section and the drafting system, so that the existing between feed section and drafting system is used advantageously for the partial housing of the transport path (s).
  • the guide for the fiber structure preferably comprises a rail on which rests the fiber structure and thus receives a support in the vertical direction.
  • the rail it would be conceivable to form the rail by an elongated profile, for example of metal or plastic, which extends in a horizontal or slightly inclined direction between the feed section and the delivery section of the guide.
  • the feed and discharge sections preferably each form an end section of the guide, wherein the feed section should be arranged in the region of the container (preferably above it) and the discharge section in the vicinity of the drafting device.
  • the discharge section should be located in the immediate vicinity of an input roller of the drafting system in order to allow the most seamless possible transition between the guide and the drafting system.
  • the feed section is placed higher than the delivery section, so that the guide forms a chute for the fiber structure.
  • the guide extends perpendicular to the or the transport path (s).
  • 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 spinning preparation machine is formed as an air spinning machine and the solidifying agent as an air spinning nozzle, by the protective rotation of the roving, as described above, is generated by means of vortex air flows (a section of a corresponding, designed as an air spinning machine, spinning preparation machine is described by way of example in the figure description).
  • the spinning preparation machine may also comprise a plurality of units, each comprising a drafting device, a guide, a solidifying agent (for example in the form of said air spinneret) and a winding device, the transport paths in this case being arranged between them in a row Draw frames and also arranged in a row Zuurerabitesen the, preferably parallel to each other, guides should run.
  • the spinning preparation machine comprises a sleeve transfer device which serves to transfer sleeves from the tube transport device to the winding device and / or vice versa.
  • the sleeve transfer device may comprise, for example, a tube gripper which is in communication with a control of the spinning preparation machine and which is designed to move a spooled sleeve from the winding device onto a transport path and an empty tube from a transport path into or onto the winding device to lift.
  • the transport path (s) extend at least partially between the feed section and the delivery section of the guide in a plan view of the spinning preparation machine.
  • the fiber structure is thereby supported when passing through the transport path (s) at least in the vertical direction by the guide, so that a collision between the fiber structure and the preferably below the guide running transport path (s) or the sleeves located thereon is prevented.
  • the transport path (s) run or run in said plan view between the feed section of the guide and the winding device and / or between the feed section of the guide and the sleeve transfer device.
  • the feed section in this case lies in the above-mentioned plan view on one side of the transport path (s), preferably perpendicular to the guide, while the winding device and / or the tube transfer device is located on the other side of the transport path (s).
  • the transport path (s) extends in the plan view of the spinning preparation machine between the feed section of the guide and the solidifying agent, wherein the solidifying agent, based on the transport path (s), preferably on the same side as the delivery section of the guide, the winding device and / or the sleeve transfer device is located.
  • the guide completely spans the transport path (s) arranged below the guide in a plan view of the spinning preparation machine, preferably completely covering the entire region of the tube transport device arranged below the guide in the above-mentioned plan view.
  • the guide is designed in this case as a bridge element, so that the fiber strand, supported by the guide, above the transport path (s) and the guided thereon sleeves is guided, so that the actually located in this area free space used for the transport of fiber composite can be.
  • the guide may have one or more racks, by which it is supported relative to a hall floor or a carrier section of the spinning preparation machine, wherein the rack (s) is or are located laterally of the conveyor track (s) in the plan view of the spinning preparation machine.
  • the feed section, the discharge section and / or an intermediate guide section of the guide in a side view of the spinning preparation machine above at least a part of the plan view in a plan view of the feed section of the guide and the drafting system transport web (s) are arranged, wherein the vertical distance between the guide track (s) and one or more of said sections of the guide is preferably more than 30 cm, preferably more than 40 cm, particularly preferably more than 50 cm, is to be able to exclude a collision of the guide with the transported below the same sleeves.
  • the feed section, the discharge section and / or the intermediate guide section of the guide are also arranged in the abovementioned side view of the spinning preparation machine above at least part of the drafting arrangement and / or the solidifying means and / or the tube transfer device.
  • the winding device and / or the tube transfer device are arranged in a plan view and / or a side view of the spinning preparation machine at least partially between the feed section of the guide and the solidifying agent.
  • the solidifying agent may in this case be arranged in the region of a front end region of the spinning preparation machine, while the feeding section may be in the region of a second, rear end-side end portion, said end portions should be placed on opposite sides of the transport path (s).
  • winding device and / or the tube transfer device be arranged at least partially between the feed section of the guide and the drafting device in the above-mentioned plan view and / or side view.
  • the utilization of the available parking space for the spinning preparation machine can be exploited particularly efficiently, with the individual components of the spinning preparation machine continue to be easily accessible.
  • the winding device and / or the sleeve transfer device are arranged at least partially below the guide, below the drafting device and / or below the solidifying agent.
  • the guide and preferably also the solidifying agent are thus arranged above the winding device and the sleeve transfer device located in particular approximately at the same height.
  • the fiber structure is in this case on the guide horizontally or obliquely down into the drafting system guided. From there it enters the solidifying agent, preferably obliquely downwards.
  • the roving produced there from the fiber structure is finally wound with the help of the winding device (which is preferably near the bottom of the hall floor supporting the spinning preparation machine) on a sleeve, which is finally transferred with the aid of the tube transporting device to the same located near the bottom sleeve transport device.
  • the winding device which is preferably near the bottom of the hall floor supporting the spinning preparation machine
  • the feed section of the guide in the horizontal direction at least 50 cm, preferably at least 100 cm, more preferably at least 150 cm, is spaced from an input roller of the drafting system.
  • the drafting system preferably comprises a plurality of drafting roller arrangements, each of which comprises a roller and at least one counter-roller in order to be able to clamp the fiber structure between rollers and corresponding counter-rollers. If the distance between one of the input rollers (ie, the rollers of the drafting system which are closest to the delivery section of the guide) and the delivery section is dimensioned in accordance with the above, the transport path (s) (in the plan view of the spinning preparation machine) can be easily arranged Run between feed and input roller.
  • the drafting system and the guide and / or the drafting device and the winding device and / or the drafting device and the sleeve transfer device are arranged in a side view of the spinning preparation machine in the horizontal direction on the same side of the solidifying agent.
  • the solidification agent in the said side view in the horizontal direction has the greatest distance to the or the transport path (s).
  • the roving is preferably deflected relative to the horizontal in the direction of the winding device and / or the tube transport device and extends here at least in the horizontal direction against the transport direction of the guided in the region of the fiber guide.
  • the winding device, the sleeve transfer device, the drafting system, the guide and / or the transport path (s) in a front view the spinning preparation machine are at least partially disposed behind the solidifying agent.
  • the said units with the exception of the solidifying agent
  • this is easily accessible from the front.
  • Residual fibers present in the solidifying agent can easily be removed from the solidifying agent following an unwanted interruption of the roving production.
  • the transport path (s) run in the mentioned front view behind the solidifying agent, the winding device and the sleeve transfer device or run so that it is accessible from the rear or are.
  • the feed section is arranged in a front view of the spinning preparation machine behind the drafting system, behind the discharge section of the guide, behind the winding device, behind the tube transfer device, behind at least one transport path and / or behind the entire sleeve transport device extending below the guide.
  • the feed section is easily accessible from the rear, so that the fiber structure can be easily removed from a container which provides the fiber structure and can be fed to the guide.
  • Figure 1 is a side view of a Spinnereivorpungs- invention
  • Figure 2 is a plan view of a spinning preparation machine according to the invention.
  • Figure 1 shows a schematic side view of an inventive, standing on a hall floor 20, spinning preparation machine 1 in the form of an air-spinning machine, which serves to produce roving 3.
  • the spinning preparation machine 1 preferably comprises a drafting device 5 with a plurality of corresponding drafting rollers (only one of the two arranged in the entrance of the drafting 5 input rollers 15 is provided with a reference numeral), which with a fiber structure 4, for example in the form of a relined tape, is supplied.
  • the fiber structure 4 as a rule comes from a container 7 (eg a spinning can) and is fed to the drafting device 5, preferably after passing a guide roller 21, via a guide 6, wherein the guide 6 can be designed, for example, as an elongated profile.
  • the guide 6 comprises a feed section 8 adjacent to the container 7, a dispensing section 9 adjacent to the drafting device 5 and a guide section 14 located therebetween in order to support the fiber structure 4 at least downwards.
  • the spinning preparation machine 1 shown comprises a spaced apart from the drafting 5 solidifying agent in the form of an air-jet nozzle 2 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 shape 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 spinning preparation machine 1 can moreover comprise a draw unit for the roving 3, preferably downstream of the drafting unit 5, in the transport direction T shown, preferably with two draw-off rollers (the withdrawal unit is not absolutely necessary and therefore not shown in the figures). Furthermore, a winding device 0 is present, which preferably serves to receive at least two sleeves 1 and by means of which the roving 3 can be wound onto a sleeve 11, the roving 3 in this case with the aid of a double arrow shown in FIG Movable traversing unit 18 is guided.
  • the winding device 10 may in particular comprise a rotatable by means of a drive platform 17 on which the sleeves 11 can be fixed via corresponding, not shown, holding devices, wherein the holding devices and thus the respective sleeves 11, preferably via separate drives in a Rotary movement are offset.
  • the spinning preparation machine 1 shown and exemplified as an air-spinning machine operates according to a special air-spinning method.
  • the fiber structure 4 is guided in the 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 4 is detected by the vortex air flow, which is generated by appropriately placed spinning air channels.
  • 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 drawn on a spiral path in the direction of the inlet opening and loop as Umwindefasern to the centrally extending core fibers - resulting in a desired protective rotation having roving.
  • the roving 3 has by the only partial rotation of the fibers a delaying ability, which is essential for the further processing of the roving 3 in a subsequent spinning machine, such as a ring spinning machine.
  • conventional air-spinning devices impart such a strong rotation to the fiber structure 4 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 3 is wound on a sleeve 11 after leaving the air-jet nozzle 2 with the aid of the winding device 10.
  • a sleeve transfer device 16 is activated, which transfers the spooled sleeve 1 to a transport path 13 (for example in the form of a conveyor belt) a sleeve transport device 2, the sleeve 1 1 finally transported to a donor site, not shown.
  • the corresponding transport path 13, of which several may be present, preferably comprises a plurality of sleeve holders 19, by means of which the sleeves 11 can be held during their transport.
  • After removal of the bespulten sleeve 11, thereby vacated position on the platform 17 of the winding device 10 can be equipped with a new empty sleeve 1, wherein this is preferably also done by the sleeve transfer device 16.
  • the transport path (s) 13 is arranged at least partially between the feed section 8 of the guide 6 and the drafting device 5 in a plan view of the spinning preparation machine 1 shown in FIG.
  • the transport path (s) 13 should in this case be supported in the region of said hall floor 20 so that they are or are located below the guide 6 in the side view of the spinning preparation machine 1 shown in FIG.
  • the transport path (s) 13 between the feed section 8 of the guide 6 and the container 7 and the discharge section 9 of the guide 6 is or are arranged, wherein the guide 6 spans the transport path (s) 13 like a bridge ,
  • the fiber structure 4 is in this case guided from behind over the transport path (s) 13 and finally arrives in the front area of the spinning preparation machine 1 in the drafting device 5 and finally in the air-spinneret 2.
  • FIG. 2 shows, the winding device 10, the traversing unit 18 and the sleeve sentransfer adopted 16 laterally of the drafting 5 and the shipsspinndüse 2 be arranged.
  • the winding device 10 the traversing unit 18 and the sleeve sentransfer adopted 16 laterally of the drafting 5 and the shipsspinndüse 2 be arranged.
  • the drafting device 5, the air-jet nozzle 2 and also the guide 6 should be placed above the winding device 10, the traversing unit 18, the sleeve transfer device 16 and / or the transport path (s) 13 in order to utilize the clearance above the latter elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne une machine de préparation de filature (1), comprenant au moins un moyen de consolidation (2) servant à produire une mèche (2) présentant une rotation de protection à partir d'une structure fibreuse (4) amenée au moyen de consolidation, un banc d'étirage (5) servant à étirer la structure fibreuse avant l'entrée de cette dernière dans le moyen de consolidation, le banc d'étirage (5) étant monté en amont du moyen de consolidation dans une direction de transport (T) du banc d'étirage, un guidage (6) monté en amont du banc d'étirage dans la direction de transport (T) susmentionnée et servant à guider la structure fibreuse (4) entre un contenant (7) fournissant la structure fibreuse et le banc d'étirage, le guidage comprenant un segment d'amenée (8) opposé au banc d'étirage pour la structure fibreuse provenant du contenant (7) lors du fonctionnement de la machine de préparation de filature et un segment de distribution (9) pour la structure fibreuse tourné vers le banc d'étirage, la machine de préparation de filature comprenant un dispositif de bobinage (10) servant à enrouler la mèche (3) sur un manchon (11), et la machine de préparation de filature comprenant un dispositif de transport (12) de manchon servant à fournir des manchons vides (11) et/ou à évacuer les manchons sur lesquels une mèche a été enroulée à l'aide du dispositif de bobinage (10). Selon l'invention, le dispositif de transport (12) de manchon comprend au moins une bande de transport (13) pour le transport de manchons vides et/ou de manchons (11) sur lesquels une mèche a été enroulée, la ou les bandes de transport (13) étant disposées dans une vue en élévation de la machine de préparation de filature au moins en partie entre le segment d'amenée (8) du guidage (6) et le banc d'étirage (5).
EP15733881.5A 2014-05-26 2015-05-11 Machine de préparation de filature Not-in-force EP3149230B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00796/14A CH709692A1 (de) 2014-05-26 2014-05-26 Spinnereivorbereitungsmaschine mit Hülsentransporteinrichtung.
PCT/IB2015/000662 WO2015181600A1 (fr) 2014-05-26 2015-05-11 Machine de préparation de filature

Publications (2)

Publication Number Publication Date
EP3149230A1 true EP3149230A1 (fr) 2017-04-05
EP3149230B1 EP3149230B1 (fr) 2018-04-18

Family

ID=53510918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15733881.5A Not-in-force EP3149230B1 (fr) 2014-05-26 2015-05-11 Machine de préparation de filature

Country Status (7)

Country Link
US (1) US10329693B2 (fr)
EP (1) EP3149230B1 (fr)
JP (1) JP2017519911A (fr)
CN (1) CN106460248B (fr)
CH (1) CH709692A1 (fr)
TR (1) TR201809464T4 (fr)
WO (1) WO2015181600A1 (fr)

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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.
CN110907245B (zh) * 2019-12-04 2022-04-19 河北科技大学 小定量棉纤维卷绕制样装置

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Also Published As

Publication number Publication date
EP3149230B1 (fr) 2018-04-18
CN106460248B (zh) 2019-07-26
JP2017519911A (ja) 2017-07-20
CN106460248A (zh) 2017-02-22
TR201809464T4 (tr) 2018-07-23
WO2015181600A1 (fr) 2015-12-03
US20170096752A1 (en) 2017-04-06
CH709692A1 (de) 2015-11-30
US10329693B2 (en) 2019-06-25

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