EP3124659A2 - Metier a tisser, tige de raccordement et laniere - Google Patents

Metier a tisser, tige de raccordement et laniere Download PDF

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Publication number
EP3124659A2
EP3124659A2 EP16178032.5A EP16178032A EP3124659A2 EP 3124659 A2 EP3124659 A2 EP 3124659A2 EP 16178032 A EP16178032 A EP 16178032A EP 3124659 A2 EP3124659 A2 EP 3124659A2
Authority
EP
European Patent Office
Prior art keywords
strap
guide rod
guide
straps
fiber composite
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.)
Withdrawn
Application number
EP16178032.5A
Other languages
German (de)
English (en)
Other versions
EP3124659A3 (fr
Inventor
Nora Stopp
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 EP3124659A2 publication Critical patent/EP3124659A2/fr
Publication of EP3124659A3 publication Critical patent/EP3124659A3/fr
Withdrawn legal-status Critical Current

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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
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides
    • 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
    • D01H5/86—Aprons; Apron supports; Apron tensioning arrangements

Definitions

  • the present invention relates to a spinning machine with a plurality of juxtaposed spinning stations, each spinning station having a drafting system for stretching a fiber composite, arranged after the drafting device for compressing the stretched fiber composite and a spindle arranged in a spindle line to produce a yarn and wherein the compression device a suction tube with a particular obliquely arranged to the direction of the fiber composite suction slot and an overlying straps with suction ports and the straps is endlessly formed in the circumferential direction, and a guide rod for lateral guidance of a strap and a corresponding strap.
  • a spinning machine has a plurality of juxtaposed spinning stations. At each spinning station a drafting system for stretching a fiber composite, arranged after the drafting device compression device for compressing the stretched fiber composite, and arranged in a spindle line spindle for producing a yarn is arranged.
  • the compression device has a suction tube with a suction slot arranged in particular obliquely to the running direction of the fiber composite and a belt with suction openings arranged above it.
  • the strap is endless in the circumferential direction.
  • the strap is arranged laterally offset from the spindle line, so that the fiber composite contacts the strap off-center. Due to the fact that the apron does not receive the fiber composite centrally, but outside its middle line, a portion of the wire mesh is not acted upon by the fiber composite on the opposite side of the center line. As a result, this unimpaired part of the strap is spared, or is subject to little or no wear.
  • the strap If the portion of the strap which has been contacted by the fiber composite is worn, it is possible according to the invention for the strap to be installed in the compression device so that the other, previously unused partial surface of the strap is now subjected to the fiber composite during subsequent use , This is the use of the Riemchens essentially twice as long as in straps of the prior art possible.
  • the guide bar with side guides serves to position the strap in the densifier such that only a portion of the side of a centerline of the strap is contacted by the fiber composite.
  • the side guide of the guide rod ensures that the strap can be positioned accordingly with respect to the suction slot.
  • the guide rod has side guides for a plurality of straps, in particular for the straps of a machine section.
  • the distance of the straps is provided such that it is substantially the spindle pitch, i. the distance or the width of adjacent spinning stations corresponds.
  • Each of the side guides leads a strap in the region of the suction slot of a spinning station. An exchange or an adjustment of the Siebriemchen or the guide rod can thus take place simultaneously for several spinning stations.
  • the distance between the two end-side guides is arranged differently far from the ends of the guide rods. It This creates an asymmetric guide rod, which position the straps laterally offset from the spindle line and lead.
  • the guide rod is held in holders which are arranged in particular in the punches and optionally arranged in the holders in a first or a second position rotated by 180 °, it is possible to offset the lateral guides of the side guides or straps by turning the guide rods through 180 ° with respect to the spindle line.
  • the straps are, for example, with their left area and after turning with in their right area above the suction slot.
  • the fiber composite is accordingly guided at different points of the strap. Wear is to be expected where the fiber composite is guided. Since wear will only occur on one half of the surface of the apron, the other half is still largely unworn immediately after the change and can again be used like a new-look apron.
  • a guide rod according to the invention for the lateral guidance of at least one, preferably a plurality of straps for compression device (s) of a spinning machine, wherein the guide rail has at least one lateral guide for each strapping, is embodied according to the invention such that the spacing of the guides or the guide from a first end of the guide rod greater than the distance of the guides or the guide from a second end of the guide rod is.
  • the straps can be arranged laterally offset from a suction slot of a suction tube and thereby wear only on one side.
  • the guides for the straps are arranged offset to the spindle line, whereby a decentralized transport of the fiber composite can be done on the strap.
  • Such an inventive guide rod can also be easily existing Spinning machines with guide rods of the prior art used, exchanged and retrofitted.
  • the side guide is designed as a groove in the guide rod for receiving the strap.
  • the strap runs in the groove bottom between the two side surfaces of the groove.
  • a side guide may also be provided as a crowned elevation on the guide rod, via which the strap is centered and likewise guided.
  • the guide rod is to be stored in holders in a first position and in a second position turned by 180 °, it can be effected by simply turning over the guide rods that the guided straps arranged thereon are in the first position in one half and in the first position second positions of the other half of the strap come into contact with the fiber composite and wear out there.
  • wear may be due to more or less clogging of the apertures of the strap, or the surface of the strap becoming smoother or rougher, depending on the material being transported.
  • the thickness of the belt in the area of fiber transport may decrease over time, so that tearing of the belt would have to be feared.
  • the guide rod can be very easily brought from the first position to the second position and fixed there again.
  • An inventive belt for a compression device of a spinning machine has a marking for identifying a running direction. With such a mark can be ensured that even with a not immediately apparent wear the straps at their second Use are used on the still unused side and transport the fiber composite.
  • the marking can be detected very quickly in a particularly advantageous embodiment, whether all straps, which are arranged on a guide rod or which are located on the spinning machine, are arranged in the same orientation.
  • the markers should all be visible to the operator in the same position or in the same way.
  • the marking is a mounted on the strap arrow. While in the first position of the strap the arrow points in one direction, it would point in the other direction when the strap is turned. Accordingly, with proper use of a plurality of straps on a machine, when in the first application the arrows of all the straps point in the same direction and on the second use of the strap all arrows of the straps used point in the same, but opposite direction.
  • marking is arranged off-center.
  • this may be a sign that in a first use, all marks are, for example, on the left side of the strap, while on the second use, all straps are on the right side.
  • the marking is arranged asymmetrically on the strap. This also makes it possible to indicate a second use of the same arrangement of the markings on all straps of a guide rod or spinning stations for a first use and for an arrangement of the mark on the other side.
  • 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 compacting device 3 and in the spinning unit 4 in a fiber composite 5 is promoted and spun from a sliver to a yarn.
  • 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 suction tube 11, a strap 12 and a guide rod 13, which is designed here as a deflection, arranged.
  • the pinch roller 10 is driven in the embodiment shown here with a belt or alternatively, for example. With a gear on the top roller 9 and thereby moves the strap 12 on a portion of the surface of the suction tube 11 and on the guide rod 13. In the fiber run of the fiber composite 5, a suction slot 14 is provided in the suction pipe 11. In the suction pipe 11, there is negative pressure, whereby the fiber composite 5 is sucked to the apertured belt 12 in the region of the suction slot 14. The fibers of the fiber composite 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 top apron and the pinch rollers 10 of the compression means 3 of two adjacent drafting units 2 of adjacent spinning units 1.
  • the two spinning units 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. The spindle line runs in the area of the spindle pitch.
  • 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 spinning unit 4.
  • the input portion of the compression device 3, here the suction slot 14, is substantially spaced at a distance A from the spindle line SL.
  • the fiber barrel is closer to the spindle line SL. He has only the smaller distance a. The distances A and a must be so great that the resulting on the top roller 9 wear is far enough away from the spindle line SL that occurs at a lateral displacement of the straps 12 of the resulting wear spaced from the first incurred 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.
  • the guide rod 13 which holds the straps 12 laterally in the desired position, has grooves 17.
  • the grooves 17 lead with side surfaces 17.1 the respective strap 12 which runs on the groove bottom 17.2.
  • the guide rod 13 can serve as a deflection bar for the strap 12 and the strap 12 also tension as needed. Due to the arrangement of the grooves 17 on the guide rod 13, the distance of the straps 12 is fixed to each other.
  • a mark 18 On each of the Siebriemchen is a mark 18, arranged here in the form of an arrow.
  • the arrow serves as an orientation aid, so that during a turning or folding over of the straps 12, these are actually reassembled in the intended direction.
  • the markings are the same orientation on all straps, so for example show all arrows in the same direction with an arrow.
  • another mark such as a point or an embossing or perforation can be meaningful, if they are not mounted in the middle of the strap 12, but off-center.
  • the markers are also arranged outside the area in which the Fiber will be to avoid abrasion at this point and thus removal of the mark over time.
  • FIGS. 3 and 4 show two different straps 12 with indicated suction slot 14. By a lateral displacement of the straps 12, the suction slot is located either in the left or in the right half of the strap.
  • FIG. 3 is a Siebriemchen indicated while in FIG. 4 a Lochriemchen is shown. While the Siebriemchen has a lateral displacement only to be done so that the expected wear next to the existing wear will be done in the Lochriemchen provide that a second series of holes is available, with the second area can be sucked.
  • FIGS. 5a and 5b are laterally to the center line M and the spindle line SL offset guide rods 13 shown.
  • the distance between adjacent grooves 17 to the center line M is different. While in FIG. 5a the fiber composite 20 or the fiber strand 20 is located on the left side of the straps 12 and the marker arrows 18 are directed upward, were in the FIG. 5b turned the straps 12. Accordingly, the fiber composite 5 or the fiber strand 20 is located on the right side of the straps 12 and the marker arrows 18 are directed downwards.
  • the easiest way to achieve this is that the guide rod 13 is folded around the center line M together with the straps 12 arranged thereon.
  • the turning of the guide rod 13 show the Figures 6a and 6b ,
  • the guide rod 13 has a start and an end piece 21, 22.
  • the starting piece 21 is longer than the end piece 22.
  • Start and end piece 21, 22 are stored or struck, for example, in a holder 23.
  • the holder 23 may have receptacles for the guide rod 13.
  • FIG. 6a are the spindle lines SL on the left side of the straps 12. If the guide rod, preferably folded together with the attached straps 12, the short end piece 22 passes from the right side to the left side, as shown FIG. 6b is apparent. At the same position of the holder 23 and the spindle lines SL is now the spindle line on the right side of the strap 12. After the wear of the first, left side of the strap 12 can now have the original right side of the strap 12 contact with the fiber composite and will wear out accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
EP16178032.5A 2015-07-09 2016-07-05 Metier a tisser, tige de raccordement et laniere Withdrawn EP3124659A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015111133.0A DE102015111133A1 (de) 2015-07-09 2015-07-09 Spinnmaschine, Führungsstange und Riemchen

Publications (2)

Publication Number Publication Date
EP3124659A2 true EP3124659A2 (fr) 2017-02-01
EP3124659A3 EP3124659A3 (fr) 2017-03-22

Family

ID=56360280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16178032.5A Withdrawn EP3124659A3 (fr) 2015-07-09 2016-07-05 Metier a tisser, tige de raccordement et laniere

Country Status (3)

Country Link
EP (1) EP3124659A3 (fr)
CN (1) CN106337220A (fr)
DE (1) DE102015111133A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107475827B (zh) * 2017-07-31 2019-07-12 东华大学 一种机械式集聚纺纱方法
DE102017130219A1 (de) * 2017-12-15 2019-06-19 Maschinenfabrik Rieter Ag Spinnereimaschine und Verdichtungsvorrichtung
DE102019100603A1 (de) * 2019-01-11 2020-07-16 Maschinenfabrik Rieter Ag Streckwerk einer Spinnereimaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013112941A1 (de) 2013-10-28 2015-04-30 Maschinenfabrik Rieter Ag Spinnmaschine

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DE3908584A1 (de) * 1989-03-16 1990-09-20 Fritz Stahlecker Streckwerk fuer spinnmaschinen
DE4139524A1 (de) * 1991-10-18 1993-06-09 Fa. Ernst Siegling, 3000 Hannover, De Bandfoermiges transport- bzw. antriebselement und verfahren zur herstellung
IT1307759B1 (it) * 1998-03-31 2001-11-19 Schurr Stahlecker & Grill Dispositivo per condensare un composito di fibre stirato.
DE19837181A1 (de) * 1998-08-17 2000-02-24 Stahlecker Fritz Vorrichtung zum Verdichten eines verstreckten Faserverbandes
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Also Published As

Publication number Publication date
DE102015111133A1 (de) 2017-01-12
EP3124659A3 (fr) 2017-03-22
CN106337220A (zh) 2017-01-18

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