EP2865794B1 - Métier à filer - Google Patents

Métier à filer Download PDF

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Publication number
EP2865794B1
EP2865794B1 EP14190533.1A EP14190533A EP2865794B1 EP 2865794 B1 EP2865794 B1 EP 2865794B1 EP 14190533 A EP14190533 A EP 14190533A EP 2865794 B1 EP2865794 B1 EP 2865794B1
Authority
EP
European Patent Office
Prior art keywords
roller
spinning
spindle
fiber composite
fiber
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.)
Not-in-force
Application number
EP14190533.1A
Other languages
German (de)
English (en)
Other versions
EP2865794A1 (fr
Inventor
Gerd Stahlecker
Peter Blankenhorn
Wolfgang Lehner
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
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Publication of EP2865794A1 publication Critical patent/EP2865794A1/fr
Application granted granted Critical
Publication of EP2865794B1 publication Critical patent/EP2865794B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/44—Adjusting drafting elements, e.g. altering ratch
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides

Definitions

  • the invention relates to a spinning machine has a plurality of juxtaposed, at a pitch spaced spindle spinning stations, each spinning at least one fiber guide for guiding a fiber composite, a drafting system for stretching the fiber composite, arranged according to the drafting device for compressing the stretched fiber composite and a spindle for producing a yarn, wherein the fiber composite is clamped in the drafting means by means of a pair of output rollers with top and bottom rollers and the compacting device is supplied, and the stretched fiber composite is compressed in the effective region of the compacting device and then clamped by a pinch roller and a hollow profile, the Use in such a spinning machine and a method for use in a corresponding spinning machine.
  • Generic spinning machines with fiber guides are also called compact spinning machines.
  • a fiber composite also called a fuse
  • the stretched fiber composite is fed to a particularly pneumatic compression or compacting device.
  • the fiber composite guided by the fiber guide and the drafting system is clamped in the pair of outfeed rollers with a top and bottom roller and at the compacting device with a pinch roller on a screen roller or a suction belt or perforated or longitudinally perforated belt drawn through a suction slot.
  • the position of the rollers is out of the DE 199 03 531 A1 not visible. But even with a change of the rollers with the adjacent spinning position, the wear could not be reduced.
  • the CN 101 476 182 A , the WO 02/084000 A1 and the DE 10 2007 063263 A1 reveal various hollow profiles with different suction slots. A shift of the fiber flow through the exchange of hollow profile sections is not disclosed.
  • the object of the present invention is thus to provide a spinning machine in which the service life of the top roller and the pinch roller is extended.
  • Each spinning station includes at least one fiber guide for guiding a fiber composite before it enters the drafting system or is located in this.
  • a drafting system is provided for stretching the fiber composite.
  • the fiber composite is clamped in the drafting system by means of a pair of output rollers with top and bottom rollers and fed to the compacting device.
  • the stretched fiber composite is compacted and clamped at the end or after the compression zone by means of a pinch roller.
  • the fiber guide for example the inlet funnel at the drafting entrance, in particular the fiber guide, which is located closest to the compacting device opposite to the fiber travel direction, and at least a part of the effective area of the compacting device (compression zone) at a predetermined and substantially equal distance to the spindle pitch or spindle line (SL) arranged.
  • the fiber guide is in particular aligned with an entry plane of the compression device, for example a compression slot of a suction device.
  • the top roller of the output roller pair and / or the pinch roller is arranged offset in its axial direction to the spindle pitch or line of the spindle pitch or spindle line SL.
  • spindle pitch or line of the spindle pitch is understood, as also apparent from the embodiments explained later, the position of the spindle center of each spinning position.
  • the spindle center again corresponds to the spindle line SL.
  • the spindle pitch gives the distance the spindle centers of adjacent spindles of the spinning machine again.
  • Adjacent spinning stations with their spindle lines SL are usually arranged symmetrically to the center line M. Offset to the spindle pitch ST or offset to the spindle line SL thus means that there is a distance to the line of the spindle pitch. This also results in a distance from the spindle center or spindle line SL.
  • the distance to the center line M thus differs from the distance between the line of the spindle pitch ST and the center line M by this offset.
  • the fiber composite extends "eccentrically" through the drafting system and / or the compacting device.
  • the fiber composite is promoted according to a first variant significantly offset from the spindle pitch or line of spindle pitch or spindle center or spindle line SL through the drafting and / or the effective range of the compacting device.
  • Significantly offset means that wear points on the roller (s) preferably arise at a distance from, but in any case so far next to, the spindle pitch or spindle line that later, due to a conversion at another location of the roller, a further wear occurs can.
  • the top roller and / or the pinch roller are offset from the spindle pitch or spindle line in such a way that the fiber composite extends just as clearly, in particular, alongside the center line of the roller (s).
  • the wear marks can also be produced at a different point on the roll in this case, and the roll (s) can be used several times as new.
  • top roller and / or the pinch roller are contacted off-center of the fiber composite in both variants.
  • the wear of the top roller and the pinch roller is thus also off-center. If the top roller and / or the pinch roller of a first spinning station with that of a second spinning station, where the fiber composite, the top roller and / or the Pinch roller contacted differently than at the first spinning station, exchanged, so the contacting of the fiber composite with the top roller or pinch roller takes place at another point.
  • Top roller and pinch roller are not worn at this point and can be used a second time in mint condition. The service life of the upper roller and the pinch roller is thus substantially doubled.
  • the position of the top roller and / or the pinch roller is either maintained in a conventional manner, ie that they are aligned in accordance with the spindle pitch usually centered or the roller / n are arranged offset in the axial direction.
  • the course of the fiber composite is set by the drafting and the pinch roller with respect to the roller / n clearly offset.
  • a multiple use of the upper roller and / or the pinch roller can be achieved.
  • the compacting device has a suction slit arranged in particular obliquely to the running direction of the fiber composite with a wire mesh, a strapping with a perforation, in particular a longitudinal perforation or a wire roller.
  • the suction slot can also run parallel to the spindle pitch. It can have a different shape than a conventional rectangular one.
  • the suction slot can define the area through which the wire mesh, the perforated or longitudinally perforated belt or the screen roller is sucked.
  • compact spinning machines can be equipped with various devices for compacting the drawn fiber composite.
  • a Siebriemchen or a perforated or lzansperforieres straps can be arranged either above the suction slot, which on the one hand sucks the fiber composite, but on the other hand also prevents fibers are sucked into the suction slot.
  • the suction slot is arranged within a screen roller, which basically fulfills the same task as the Siebriemchen.
  • the compression zone can also be formed by the perforation of the belt or the screen roller, for example by only a portion of the belt or the screen roller, which can be sucked.
  • This subregion can be carried out by an air-permeable, air-permeable surface of the wire mesh or the screen roller, wherein other surfaces of the wire mesh or the screen roller are made tight, for example by calendering or otherwise closing or not creating openings.
  • longitudinally perforated straps a zone of individual holes runs in the longitudinal direction of the strap.
  • This longitudinally perforated zone like the aspiratable zone of the wire mesh, perforated belt or screen roll, may be laterally offset from a centerline of the belt or screen roll.
  • the effective region of the compression device is thus formed by the suction slot and / or the longitudinal perforation and / or an absorbable region of the belt or the screen roller.
  • the distance of the fiber guide and at least a part of the effective area of the compacting device from the spindle pitch is different from that of a second group of spinning stations, so that wear of the top roller and / or the pinch roller are different in the spinning station groups.
  • the fiber guides and the compacting device can differ in particular by their distance from the spindle pitch.
  • the orientation, ie the inclination of the suction slot and / or the shape of the suction slot in the first group of spinning stations can be different from those of a second group of spinning stations.
  • the top roller and / or the pinch roller when changing the top roller and / or the pinch roller from a spinning station of the first group to a spinning station of the second group, the top roller or Pinch roller applied at a different location than before of the fiber composite and thus worn over time.
  • the top roller and the pinch roller can thereby be used multiple times, without the fiber composite has to run over the worn roller.
  • the orientation of the suction slot can in this case be carried out both in the inclination to the fiber travel direction, so for example at a different angle, but in particular by a mirror-image formed slope of the suction slot.
  • the axial arrangement of the top roller of the pair of output rollers and / or the pinch roller may be different depending on the spinning station group. Again, the wear will be generated elsewhere and the roller is reusable.
  • a spinning station group comprises two adjacent spinning stations or several spinning stations of a section.
  • the change of upper roller and / or pinch roller can thus take place between two adjacent spinning stations.
  • the end region of the effective region of the compression device in addition to the initial region of the compression zone, is also arranged outside the spindle division.
  • the course of the fiber composite is also more offset in the area of the pinch roller in comparison to other spinning station groups.
  • the wear of the pinch roller is thus at a clearly spaced from the spindle pitch axial region of the pinch roller, whereby the use of the pinch roller once again takes place at a different axial point of the pinch roller, which has not previously been acted upon with fibers.
  • the fiber guide is arranged stationary. A lateral adjustment of the distance of the fiber composite from the spindle division thus does not occur, in particular during spinning.
  • the output top roller and the pinch roller are less heavily loaded in one of the settings. It is also essential here, however, that when the position is changed by an exchange of the top roller and / or the pinch roller, the wear points occur at another axial point of the top roller and / or the pinch roller.
  • the fiber guides of a group of spinning stations are connected to one another and can be adjusted jointly with respect to the spindle pitch, rapid adjustment is possible for the entire group of spinning stations, which can possibly act on a plurality of axial areas of the upper roller and the clamping roller.
  • a plurality of adjacent suction slots are arranged in or by means of an attachment to a hollow profile.
  • the adjacent suction slots can be designed either equal or different in or on the hollow profile.
  • different subsections of the hollow profile are used, wherein in a first subsection suction slots of a first orientation and / or shape and in a second subsection suction slots of a different orientation and / or shape are arranged.
  • the hollow profile may be assigned to one or more spinning station (s).
  • a continuous suction tube may be provided, on which one or more of the hollow profiles is arranged to be suctioned.
  • the hollow profile may for example be assigned to two adjacent spinning stations, which draws and compacts the adjacent fiber composites by means of a common loading arm and roll carrier.
  • the fiber composite is clamped by means of the pinch roller in the region of the suction slot on the Siebriemchen or perforated or longitudinally perforated belt and the hollow profile or on the screen roller.
  • the pinch roller can also be arranged at a small distance of a few millimeters from the suction slot.
  • top roller and the pinch roller of two adjacent spinning stations are arranged as respective roller pairs in a roller carrier on the common loading arm, the upper roller and pinch roller of two spinning stations can be exchanged simultaneously.
  • the roller carriers with top roller and pinch roller of the first spinning station group are interchangeable with those of the second spinning station group.
  • Top roller and pinch roller, which are both attached to the roller carrier, are thus replaced together.
  • the roller carrier with the upper roller pair and the pinch roller pair can thus be removed from the first spinning station group or from the first loading arm and assigned to a loading arm or a second spinning station group, which has a different offset of the barrel of the fiber composite to Spinnstellen notorious.
  • the wear points on the top roller and the pinch roller are no longer acted upon by the fiber composite in the second spinning station group in the reuse and upper roller and pinch roller can thus be used as new.
  • a further, particularly advantageous alternative consists in that the top roller pair and / or the pinch roller pair are designed to be reversible in the roller carrier.
  • Upper roller pair and / or pinch roller pair thus remain e.g. in the same load arm, but are delivered from the first spinning station of the loading arm of the second, adjacent spinning station of the loading arm. Again, in another pass line of the fiber structure in the two spinning stations, the load of the top roller and the pinch roller will be done at another point again. The complete replacement of upper roller and pinch roller or the grinding of the roller covers can thus be delayed.
  • a particularly advantageous further embodiment of the invention is that the loading arm and / or the roller carrier in the axial direction of the upper and pinch roller and transversely to the spindle division can be displaced. Again, the wear point of the rollers will be off-center. In a change of the roller to a spinning station, which has a different setting, the wear will take place at a different location on the roller, whereby the roller can be used for a longer time than usual.
  • An inventive hollow profile is for use in a spinning machine with the features described above.
  • a part of the hollow profile in this case has a plurality of first suction slot / s, which differ with respect to a plurality of second suction slots of the hollow profile with respect to their distance from the spindle pitch and / or their orientation and / or their shape.
  • the hollow profile can run, for example, along all spinning stations of a machine side. But it can also be divided so that it is assigned, for example, only about one section with eight spinning stations. It is also possible for a suction line to supply each individual spinning station or a pair of spinning stations with negative pressure, and the hollow profile for this one spinning station or the pair of spinning stations to be arranged on this suction line.
  • the arranged on the hollow profile in the spinning machine clamping roller of a spinning station can thus be exchanged with another spinning station, which has a different suction slot or another position of the suction slot.
  • another spinning station which has a different suction slot or another position of the suction slot.
  • each section of the hollow profile is attached to a punch of the spinning machine.
  • each subsection may for example be associated with a section of the spinning machine having a plurality of, for example, eight spinning stations. If the hollow profile is arranged at a suction line which supplies one or more spinning stations with negative pressure, then the suction slots can be provided with respect to the individual spinning stations or, for example, per spinning station pair such that a different loading of the pinch rollers takes place in the manner described.
  • An unclaimed strap or screen is for use in a spinning machine having the features previously described.
  • An absorbable region of the belt or screen roller is in the form of a screen-like or perforated section or a longitudinal perforation of the belt or the screen roller laterally to the center line of the belt or the screen roller offset.
  • the strap or the screen roller is suitable for example to open a larger suction slot on one side for the aspiration of the fiber composite and to close another area.
  • the fiber composite can thus lead solely by the replacement of the straps or the screen roller and the interaction with the fiber guide the fiber composite offset to the spindle pitch and thus cause a one-sided, asymmetrical wear of the top roller and / or the pinch roller.
  • FIG. 1 shows a side view of a spinning station 1 in a schematic representation.
  • the spinning station 1 has a drafting system 2, a compression device 3 and a spindle unit 4.
  • the compression means 3 and in the spinning unit 4 in a fiber composite 5 is promoted and spun from a sliver to a yarn.
  • a fiber guide 6 and inlet funnel is arranged at the entrance of the drafting 2 .
  • fiber guides which are not shown here, can be arranged. Seen in the direction of the fiber travel of the fiber composite 5, the last arranged fiber guide 6 is decisive for how or where the fiber composite 5 enters the compression device 3 and exits the drafting system 2.
  • an output roller pair 7 with a lower roller 8 and a top roller 9 is arranged.
  • the compression device 3 with a pinch roller 10, a hollow section 11, a strap 12 and a deflection guide 13 is arranged.
  • the pinch roller 10 is driven in the embodiment shown here with a belt or alternatively, for example. With a gear on the upper roller 9 and thereby moves the belt 12 on a part of the surface of the hollow section 11 and on the deflection guide thirteenth
  • a suction slot 14 is provided in the hollow profile 11.
  • the fiber composite 5 is sucked at apertured straps 12 in the region of the suction slot 14.
  • the fibers of the fiber structure 5 are compacted at this point.
  • Top roller 9 and pinch roller 10 are connected via a roller carrier 15 with a loading arm 16.
  • the loading arm 16 carries the top rollers or the upper apron and the pinch rollers 10 of the compaction devices 3 of two adjacent drafting units 2 of adjacent spinning units 1.
  • Top roller 9 and pinch roller 10 can be removed from the roller carrier 15 individual and, for example, handled. This means that the axes of the top roller 9 and the pinch roller 10 are rotated by 180 ° about the center line of the loading arm 16, so that then the top roller 9 and the pinch roller 10 is assigned to their respective adjacent spinning station 1.
  • the two spinning stations 1 are spaced from each other at a pitch of a spindle pitch. Centered to the spindle pitch is the centerline of the loading arm 16.
  • FIG. 2 shows a schematic representation of a spaced apart from a spindle line SL fiber barrel 20.
  • the spindle line SL denotes the straight line through the drafting system 2 to the spinning unit 4.
  • the fiber guide 6 is spaced at a distance A from the spindle line SL.
  • the input area of the compression device 3, here the suction slot 14, is substantially spaced at this distance A from the spindle line SL.
  • the distance A must be so great that the wear resulting from the top roller 9 is far enough away from the spindle line SL that, when the top roller 9 is folded over, the resulting wear occurs at a distance from the first wear.
  • a center line M denotes the position of the loading arm 16.
  • the top rollers 9 of the two adjacent spinning stations 1 and 1 ' are fixed.
  • the adjacent top rollers 9 and pinch rollers 10 are interconnected by means of an axle.
  • the adjacent spindle lines SL are arranged at a distance of the spindle pitch ST.
  • FIG. 3 shows similar to in FIG. 2 two adjacent spinning stations a concernssarms 16 whose center line M is located.
  • the fiber barrel 20 is carried out in this embodiment in a conventional manner.
  • Fiber guide 6 is accordingly arranged in the immediate vicinity of the spindle line SL.
  • the wear would occur in or in the immediate vicinity of the center line of the rollers. Even with a turning of the rollers, the wear would not be so far apart that it would no longer influence the fiber composite 5.
  • the fiber composite 5 is of course not as narrow as the line width shown here, but has a certain lateral spread.
  • the wear is not only linear, but also spreads laterally in the plastic lining of the top roller 9 and pinch roller 10.
  • a lateral offset of the upper roller pair 9 and the pinch roller pair 10 is provided.
  • the lateral offset is at a distance W from the spindle line SL provided. This distance W is in turn such that, even when the rolls turn around the center line M, the renewed wear or the thread run 20 arises at a distance on the roll 9 or the pinch roll 10, which is clearly spaced from the original grain run 20 on the roll Top roller 9 and pinch roller 10 is.
  • FIG. 4 shows the schematic plan view of four load arms 16 with eight spindle lines SL.
  • two loading arms 16 with four spinning stations 1 is associated with a hollow profile 11.1 and 11.2.
  • suction slits 14 are provided, which are inclined from right to left.
  • the fiber barrel 20 is in this case also adjusted by a corresponding arrangement of the fiber guides 6 to the right of the spindle line SL. Accordingly, the rollers are also acted upon by the fibers to the right of their middle line, which coincides with the spindle line SL, and correspondingly worn at this point.
  • the two load arms 16 shown on the right are assigned to a further section of the hollow section 11, here the hollow section 11.2.
  • the suction slots 14 are oriented from left to right. This corresponds to the fiber barrel 20, which here passes through the appropriate adjustment of the fiber guides 6 to the left of the spindle line SL.
  • the respective fiber guides 6 are connected to a connecting rod 21 in order to adjust them together.
  • the sections of the hollow sections 11.1 and 11.2 are each secured in a punch 22, which closes a section of the spinning machine.
  • Top roller 9 and the pinch roller 10, not shown here, can be exchanged either by turning over on the same load arm 16 or the loading arm 16, which has the same offset of the fiber barrel 20.
  • the top roller pairs 9 but also the adjacent section can be delivered in an exchange. Again, the new wear points will occur offset to the previous, old wear points.
  • a turnover or displacement of the pinch rollers 10 will bring no significant advantage. Even if the pinch rollers 10 wear significantly less than the top rollers 9, the fiber barrel 20 is so insignificant offset here that a transfer or displacement of the pinch rollers will not be possible or at least bring no advantage. In any case, it must be ensured that the old wear points are not a hindrance to further spinning.
  • the following exemplary embodiments show different variants of the settings of the suction slots 14 or of the fiber runs 20.
  • FIG. 5a the beginning of the suction slot 14 is offset together with the fiber barrel 20 at a distance A to the right.
  • This essentially corresponds to the execution of the FIG. 2 .
  • the old wear marks corresponding to the dashed line FIG. 5b to the left of the SL spindle line. They are thus arranged at a distance A to the left of the spindle line SL, while the current fiber run 20 is at a distance A to the right of the spindle line SL.
  • Turning over the pinch roller 10 is not required in this embodiment, since the fiber barrel 20 is at the outlet of the suction slot 14 in the spindle line SL. It is thus symmetrical to the center line M and will be after folding the pinch roller 10 in the same place as before.
  • FIGS. 7a and 7b a fiber barrel 20, which is closer to the spindle line SL in the region of the upper roller 9 (distance a) than in the region of the pinch rollers 10 (distance A). Accordingly, the inclination of the suction slots 14 in the direction of the fiber composite 5 directed away from the spindle line SL. In the two spinning stations shown on the right, a greater distance A of the fiber barrel 20 than in the area of the pinch rollers 10 is set in the area of the top roller 9.
  • the fiber run 20 is located to the right of the spindle line SL, while it runs at the two left spinning positions to the left of the spindle line SL.
  • the four spinning stations it is on the one hand possible by folding the roller pairs of the upper rollers 9 and the pinch rollers 10 to cause a shift of the wear points.
  • it is also possible here to generate an offset of the wear points on the rollers by exchanging the roller pairs from the two left spinning stations to the two right spinning stations.
  • FIGS. 8a and 8b four spinning stations are shown, in which at the left loading arm, the suction slots 14th lie outside the spindle line SL, while they are located at the two right spinning positions within the spindle line SL.
  • the roller pairs it is possible on the one hand by turning the roller pairs to produce the wear at another point of the rollers. It is better in this embodiment, the roller pairs of the left load arm with the pairs of rollers of the right load arm to exchange. As a result, the wear points will be more clearly spaced apart and will not affect each other.
  • FIGS. 9a and 9b a V-shaped slot pattern is shown. While the two suction slots 14 are directed away from each other in the left load arm, they are directed towards each other in the right load arm 16. Both times the suction slots 14 end in the region of the spindle line SL, so that an exchange of the pinch rollers 10 is not helpful. In the case of the upper roller pair 9, on the other hand, the wear points will occur distinctly offset from one another.
  • the slot patterns are in pairs in parallel.
  • the two associated suction slots 14 are inclined in the direction of fiber travel from right to left.
  • the suction slots 14 are directed from left to right. Both times the suction slots 14 end in the area of the spindle line SL and have a very small distance a.
  • An exchange of the pinch rollers 10 will again bring no advantage here.
  • a change of the top roller 9 is possible both with turning and with a change from the left load arm to the right load arm.
  • FIG. 11 a suction line 40 is shown, which is connected by means of a feed line 41 with the hollow section 11.
  • a feed line 41 In the hollow section 11 two parallel to the spindle line extending suction slots 14 are arranged.
  • the hollow section 11 is provided in this embodiment for a pair of spinning stations.

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

Claims (18)

  1. Machine à filer avec une multitude de postes de filage (1) disposés les uns à côté des autres à distance d'un écartement des broches (ST),
    - dans laquelle chaque poste de filage (1) comporte au moins un guide-fibres (6) pour guider un composite de fibres (5),
    - un dispositif d'étirage (2) pour étirer le composite de fibres (5),
    - un dispositif de compactage(3) disposé en aval du dispositif d'étirage (2) pour condenser le composite de fibres (5) étiré, ainsi que
    - une broche disposée dans une ligne de broche (SL) pour produire un fil, et
    - le composite de fibres (5) est serré dans le dispositif d'étirage (2) à l'aide d'une paire de cylindres délivreurs (7) avec cylindres supérieur et inférieur (8, 9) et est acheminé au dispositif de compactage(3), et
    - le composite de fibres (5) étiré est condensé dans la zone efficace du dispositif de compactage(3) et serré à l'aide d'un cylindre pinceur (10),
    - dans laquelle le milieu de la broche (milieu de broche M) correspond à la ligne de broche (SL) et l'écartement des broches (ST) est la position du milieu de broche (M) de chaque poste de filage (1) et l'écartement des broches (ST) reproduit la distance entre les milieux de broches (M) de broches voisines de la machine à filer,
    caractérisée en ce que
    a) le guide-fibres (6), en particulier le guide-fibres (6) qui, vu dans le sens contraire à la direction de déplacement des fibres, est disposé le plus près du dispositif de compactage (3), et au moins une partie de la zone efficace du dispositif de compactage (3) sont disposés à une distance (A) prédéterminée et sensiblement égale
    et/ou
    b) le cylindre supérieur (9) de la paire de cylindres délivreurs (7) et/ou le cylindre pinceur (10) dans leur direction axiale
    sont disposés décalés par rapport à l'écartement des broches (ST) ou la ligne de broche (SL) et, dans ce contexte,
    le cylindre supérieur (9) et/ou le cylindre pinceur (10) sont contactés en un point excentré du composite de fibres (5), ce par quoi l'usure du cylindre supérieur (9) et du cylindre pinceur (10) se produit également de manière excentrée, et
    le cylindre supérieur (9) et/ou le cylindre pinceur (10) d'un premier poste de filage (1) est interchangeable avec celui d'un second poste de filage (1') auquel le composite de fibres (5) contacte le cylindre supérieur (9) et/ou le cylindre pinceur (10) autrement qu'au premier poste de filage (1), de sorte que, après l'échange, l'entrée en contact du composite de fibres (5) avec le cylindre supérieur (9) ou le cylindre pinceur (10) a lieu dans une position différente.
  2. Machine à filer selon la revendication précédente, caractérisé en ce que le dispositif de compactage(3) présente une fente d'aspiration (14) disposée en particulier obliquement par rapport au sens de défilement du composite de fibres (5), avec une lanière de tamisage (12) disposée au-dessus, une lanière (12') avec une perforation, en particulier, une perforation longitudinale ou un cylindre de tamisage.
  3. Machine à filer selon la revendication 2, caractérisée en ce que la zone efficace du dispositif de compactage (3) est formée par la fente d'aspiration (14) et/ou la perforation longitudinale (31) et/ou une zone aspirable (30) de la lanière perforée ou de la lanière de tamisage (12) ou du cylindre de tamisage.
  4. Machine à filer selon l'une ou plusieurs des revendications précédentes 2 ou 3, caractérisée en ce que, sur la machine à filer,
    - l'écart du guide-fibres (6) et au moins une partie de la zone efficace du dispositif de compactage (3) par rapport à l'écartement des broches (ST) ou la ligne de broche (SL)
    et/ou
    - l'orientation et/ou la forme des fentes d'aspiration (14) et/ou
    - la disposition axiale du cylindre supérieur (9) de la paire de cylindres délivreurs et/ou du cylindre pinceur (10)
    dans un premier groupe de poste de filage (1) est différente de celles d'un second groupe de poste de filage (1), de sorte que des usures du cylindre supérieur (9) et/ou du cylindre pinceur (10) dans les groupes de postes de filage sont différentes.
  5. Machine à filer selon la revendication 4, caractérisée en ce que le groupe de postes de filage comprend deux postes de filage (1) voisins ou plusieurs postes de filage (1) d'une section.
  6. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que , en plus de la zone de début, la zone terminale de la zone efficace du dispositif de compactage (3) est également disposée hors de l'écartement des broches (ST) ou de la ligne de broche (SL).
  7. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le guide-fibres (6) est disposé de manière stationnaire ou en va-et-vient et la zone de déplacement en va-et-vient est disposée hors de l'écartement des broches (ST) ou de la ligne de broche (SL).
  8. Machine à filer selon l'une ou plusieurs des revendications 4 à 7 précédentes, caractérisée en ce que les guide-fibres (6) du groupe de postes de filage sont reliés les uns avec les autres et réglables conjointement par rapport à l'écartement des broches (ST) ou la ligne de broche (SL) afin de permettre un réglage pour l'ensemble du groupe de postes de filage, ce par quoi plusieurs zones axiales du cylindre supérieur et du cylindre pinceur peuvent être soumis à charge.
  9. Machine à filer selon l'une ou plusieurs des revendications 2 à 8 précédentes, caractérisée en ce que plusieurs fentes d'aspiration (14) voisines sont disposées dans ou sur un profilé creux (11) et/ou le profilé creux (11) est associé à un ou plusieurs poste(s) de filage.
  10. Machine à filer selon l'une des revendications 2 ou 9, caractérisée en ce que le composite de fibres (5) est serré à l'aide du cylindre pinceur (10) dans la zone de la fente d'aspiration (14) sur la lanière de tamisage (12) ou la lanière (12') perforée, en particulier, perforée longitudinalement et le profilé creux (11) ou sur le cylindre de tamisage.
  11. Machine à filer selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les dispositifs d'étirage (2) et les cylindres pinceurs (10) de deux postes de filage (1) voisins sont disposés sur un bras de pression (16) commun et que le cylindreur supérieur (9) et le cylindre pinceur (10) de deux postes de filage (1) voisins sont disposés en tant que paires de cylindres respectives dans un porte-cylindres (15) au bras de pression (16) commun.
  12. Machine à filer selon la revendication précédente, caractérisée en ce que les porte-cylindres (15) avec cylindre supérieur (9) et cylindre pinceur (10) du premier groupe de postes de filage peuvent être interchangés avec ceux du second groupe de postes de filage.
  13. Machine à filer selon l'une ou plusieurs des revendications 11 ou 12 précédentes, caractérisée en ce que la paire de cylindres supérieurs et/ou la paire de cylindres pinceurs se présentent sous une forme rabattable dans le porte-cylindres (15).
  14. Machine à filer selon l'une ou plusieurs des revendications 11 à 13 précédentes, caractérisée en ce que le bras de pression (16) et/ou le porte-cylindres (15) est/sont déplaçables dans la direction axiale du cylindre supérieur et du cylindre pinceur (10) et perpendiculairement à l'écartement des broches (ST).
  15. Profil creux destiné à être utilisé dans une machine à filer prédéterminée possédant une multitude de postes de filage (1) distants les uns des autres avec des lignes de broche (SL) selon l'une des revendications précédentes,
    - sachant qu'une conduite d'aspiration alimentant en sous-pression peut être disposée au profilé creux (11) et
    - le profilé creux (11) comporte plusieurs fentes d'aspiration (14),
    - sachant qu'une fente d'aspiration (14) peut être attribuée respectivement à chaque ligne de broche (SL),
    caractérisé en ce que
    - le profilé creux (11) est subdivisé en segments partiels individuels différents,
    - sachant que, dans un premier segment partiel, exclusivement des fentes d'aspiration de première(s) orientation et/ou forme et, dans un second segment partiel, exclusivement des fentes d'aspiration d'une orientation et/ou forme différente(s) sont disposées, et
    - sachant que, dans une utilisation conforme à la destination, la/les fente(s) d'aspiration de première(s) orientation et/ou forme s'étend(ent) à droite de la ligne de broche SL et la/les fentes d'aspiration de seconde(s) orientation et/ou forme s'étend(ent) à gauche de la ligne de broche SL, et
    - ces segments partiels peuvent être interchangés.
  16. Procédé pour l'utilisation dans une machine à filer selon l'une des revendications 1 à 14 précédentes, caractérisé en ce que le cylindre supérieur (9) et/ou le cylindre pinceur (10) d'un premier poste de filage (1) est/sont interchangé(s) avec celui/ceux d'un second poste de filage (1') auquel le composite de fibres (5) contacte le cylindre supérieur (9) et/ou le cylindre pinceur (10) autrement qu'au premier poste de filage (1), de sorte que, après l'échange, l'entrée en contact du composite de fibres (5) avec le cylindre supérieur (9) ou le cylindre pinceur (10) a lieu dans une position différente.
  17. Procédé selon la revendication précédente, caractérisé en ce qu'un porte-cylindres (15) avec cylindre supérieur (9) et cylindre pinceur (10) du premier poste de filage (1) est interchangé avec le porte-cylindres (15) du second poste de filage (1').
  18. Procédé selon la revendication 16, caractérisé en ce que la paire de cylindres supérieurs et/ou la paire de cylindres pinceurs est/sont rabattue(s) dans le porte-cylindres (15).
EP14190533.1A 2013-10-28 2014-10-27 Métier à filer Not-in-force EP2865794B1 (fr)

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DE102013111849 2013-10-28
DE201310112941 DE102013112941A1 (de) 2013-10-28 2013-11-22 Spinnmaschine

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EP2865794B1 true EP2865794B1 (fr) 2018-12-05

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CN (1) CN104562319B (fr)
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DE102015111133A1 (de) 2015-07-09 2017-01-12 Maschinenfabrik Rieter Ag Spinnmaschine, Führungsstange und Riemchen
DE102015117938A1 (de) 2015-10-21 2017-04-27 Maschinenfabrik Rieter Ag Verfahren zum Austauschen von Unterriemchen eines Streckwerkes einer Spinnmaschine und Spinnmaschine
CH714448A1 (de) 2017-12-15 2019-06-28 Rieter Ag Maschf Vorrichtung und Streckwerk zur Verdichtung eines Faserverbandes.
IT201800009103A1 (it) * 2018-10-02 2020-04-02 Marzoli Machines Textile Srl Filatoio con sistema di tensionamento della cinghia
CN108930078B (zh) * 2018-10-10 2020-10-27 颍上立颍纺织有限公司 一种柔洁纯纺纱生产装置和生产方法
DE102019100603A1 (de) * 2019-01-11 2020-07-16 Maschinenfabrik Rieter Ag Streckwerk einer Spinnereimaschine
DE102019115220A1 (de) * 2019-06-05 2020-12-10 Maschinenfabrik Rieter Ag Spinnereimaschine
CN113003654B (zh) * 2021-03-01 2022-11-25 上海凤贤化工科技有限公司 一种筛洗式过滤网机构

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CN104562319A (zh) 2015-04-29
EP2865794A1 (fr) 2015-04-29
IN2014DE03066A (fr) 2015-07-10
DE102013112941A1 (de) 2015-04-30
CN104562319B (zh) 2017-05-10

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