EP0311544B1 - Vorrichtung zum fortlaufenden Reinigen der Nadeln eines Nadelstabstreckwerkes für Textilfasern - Google Patents

Vorrichtung zum fortlaufenden Reinigen der Nadeln eines Nadelstabstreckwerkes für Textilfasern Download PDF

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Publication number
EP0311544B1
EP0311544B1 EP19880440082 EP88440082A EP0311544B1 EP 0311544 B1 EP0311544 B1 EP 0311544B1 EP 19880440082 EP19880440082 EP 19880440082 EP 88440082 A EP88440082 A EP 88440082A EP 0311544 B1 EP0311544 B1 EP 0311544B1
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EP
European Patent Office
Prior art keywords
bars
tube
caterpillar
air
sliver
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.)
Expired - Lifetime
Application number
EP19880440082
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English (en)
French (fr)
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EP0311544A1 (de
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.)
N Schlumberger SAS
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N Schlumberger SAS
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Filing date
Publication date
Application filed by N Schlumberger SAS filed Critical N Schlumberger SAS
Publication of EP0311544A1 publication Critical patent/EP0311544A1/de
Application granted granted Critical
Publication of EP0311544B1 publication Critical patent/EP0311544B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/66—Suction devices exclusively

Definitions

  • the present invention relates to the textile field, and relates to a device for permanently cleaning the needles of a needle drawing system for long textile fibers, said system consisting of a field of lower needle bars and a field of bars with upper needles, each thus forming a caterpillar which controls the ribbon formed of textile fibers, before stretching by stretching cylinders.
  • Chain gill type stretching systems generally consist of a lower needle field and an upper needle field, each field being in the form of two endless chains which carry and drive bars with needles.
  • These drawing systems are designed to work wool and long fibers, and to turn at high speeds. This can cause, in certain cases, depending on the materials worked, walking speeds, ambient temperature and humidity, and also depending on possible other parameters, that fibers do not leave the needles, remain attached at the exit of the control system, and wrap around the track.
  • a few fibers are put around the track, very quickly many others follow and form a winding, which generally causes significant damage to chains, bars and needles, when the winding is not not detected in good time.
  • the general problem to be solved by the object of the present invention is therefore to provide a cleaning device ensuring that the needles are kept clean in the fields of needle bars of a drawing system for wools and long fibers, in which , it is no longer necessary to install either brushes or squeegees, which avoids, on the one hand, the purchase of these parts and, on the other hand, their installation on special supports which are also expensive.
  • This also means that there are no more brushes or squeegees to be cleaned regularly, numerous stops of the stretching system and numerous interventions being thus avoided, which improves the yield and lowers, of course, the cost price of the outgoing product.
  • the wearing parts are thus also eliminated, the cleaning of the tracks, bars and needles having to be done in a permanent and continuous manner.
  • the subject of the invention is a device for permanently cleaning the needles of a needle drawing system for long textile fibers, in the form of two blowing tubes in hollow bodies, provided with one or more orifices and supplied with pressurized air, said system consisting of a field of lower needle bars and a field of upper needle bars, each controlling the ribbon formed of textile fibers, before drawing by stretching rollers, device characterized in that each strip field forms a track and in that the two tubes are arranged inside the space delimited by each track and parallel to the bars, the first tube being disposed at the lower end of the part of the lower track receiving the bars having just left the ribbon, and the second tube being disposed at the upper end of the part of the upper track receiving the bars having just left the ribbon (4), the orifices directing the air from the inside of each track towards the outside through the needles at an angle of about 45 ° relative to the direction of movement of the ribbon, so that part of the air blown from each tube runs along the body of the bars from the inside of the tracks in the per
  • each field of bars 3, 3 ' forms a track and in that the two tubes 1, 1' are arranged inside the space 8, 8 'delimited by each track 2, 2' and parallel to the bars 3, 3 ', the first tube 1 being disposed at the lower end of the part 7 of the lower track 2 receiving the bars 3 having just left the ribbon 4, and the second tube 1' being disposed at the upper end of the part 7 'of the upper track 2' receiving the bars 3 'coming from leaving the strip 4, the orifices 6 directing the air from the inside of each track 2, 2' towards the outside through the needles 10, 10 'at an angle of about 45 ° relative to the direction of movement of the ribbon 4, so that part of the air blown from each tube 1, 1' runs along the bodies of the bars 3 , 3 'from inside the tracks 2, 2' in the perpendicular part of the track 2, 2 'and against the direction of s one moves according to the arrows 14 and escapes through the tracks 2, 2 'at the height of the last bars 3, 3' coming
  • each tube 1, 1 ' is at least equal to that of the bars 3, 3'.
  • Two aspirations 11, 11 ' are provided to take up the part of the air which escapes between the bars 3, 3' according to the arrows 9, one 11 located below the part 7 of the track 2 and the another 11 'located above the part 7' of the track 2 ', so as to evacuate the fibers and the impurities which have been removed from the bars 3, 3' and the needles 10, 10 '.
  • each track 2, 2 ′ therefore makes it possible to prevent the fibers leaving the ribbon 4 from becoming attached to the needles 10, 10 ′ of the strips 3, 3 ′ which have just left the tape 4, thereby preventing the formation of harmful windings or flying fibers.
  • the supply air is also guided by sheets 13, 13 'located on either side of each tube 1, 1', these tubes being fixed to these sheets 13, 13 'by any known means, for example, by welding. .
  • each tube 1, 1 ' has several orifices 6 in the form of holes, the number of holes being advantageously understood to be 10 and 20, these holes 6 preferably being aligned and arranged on the part of the tube 1, 1 ′ directly facing the bars 3, 3 ′.
  • Each orifice 6 can advantageously have a circular section.
  • each tube 1, 1 ′ has one or more orifices 6 in the form of one or more slots located over the entire length of the tube 1, 1 ′, allowing the diffusion of compressed air in one or more flat jets, and arranged on the part of the tube 1, 1 ′ directly facing the bars 3, 3 ′.
  • each tube 1, 1 ′ is provided with an orifice 12 for the arrival of pressurized air originating either from a compressed air network or from any other source of air, such as an air pump, the injection pressure in the tubes 1, 1 'being preferably between 0.5 and 1.5 bars, advantageously 1 bar.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (8)

  1. Vorrichtung zum fortlaufenden Reinigen der Nadeln (10, 10') eines Nadelabstreckwerkes für lange Textilfasern in Form zweier als Hohlkörper ausgebildeter Blasrohre (1, 1'), die mit einer Öffnung oder mehreren Öffnungen (6) versehen sind und mit Druckluft beaufschlagt sind, wobei das Abstreckwerk durch ein unteres mit Nadeln (10) bestücktes Stabfeld (3) und ein oberes mit Nadeln (1') bestücktes Stabfeld (3') gebildet ist, die jeweils das aus Textilfasern gebildete Band steuern, bevor dieses durch die Streckwalzen gestreckt wird, dadurch gekennzeichnet, daß jedes der Stabfelder (3, 3') eine Raupe bildet und daß die beiden Rohre (1, 1') im Inneren des Raumes (8, 8') angeordnet sind, der durch jede der Raupen (2, 2') begrenzt wird, und sich parallel zu den Stäben (3, 3') erstrecken, wobei das erste Rohr (1) am unteren Ende desjenigen Abschnittes (7) der unteren Raupe (2) angeordnet ist, der die gerade das Band (4) verlassenden Stäbe (3) erhält, und das zweite Rohr (1') am oberen Ende desjenigen Abschnittes (7') der oberen Raupe (2') angeordnet ist, der die gerade das Band (4) verlassenden Stäbe (3') erhält, wobei die Öffnungen (6) Luft aus dem Innenraum jeder Raupe (2, 2') durch die Nadeln (10, 10') hindurch unter einem Winkel nach außen richten, der etwa 45° bezogen auf die Bewegungsrichtung des Bandes (4) beträgt, derart, daß ein Teil der von jedem Rohr (1, 1') ausgeblasenen Luft die Körper der Stäbe (3, 3') vom Inneren der Raupen (2, 2') her im senkrechten Abschnitt der Raupe (2, 2') und entgegen deren Bewegungsrichtung gemäß den Pfeilen (14) anströmt und durch die Raupen (2, 2') hindurch auf Höhe der letzten Stäbe (3, 3'), die gerade das Band (4) verlassen haben, abströmt, und daß der andere Teil der Luft zwischen den Stäben (3, 3') hindurch durch die Raupe (2, 2') in deren senkrechtem Abschnitt gemäß den Pfeilen (9) abströmt, wobei die Nadeln (10, 10') der Stäbe (3, 3') umspült werden.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Länge jedes Rohres (1, 1') mindestens gleich der Länge der Stäbe (3, 3') ist.
  3. Vorrichtung nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß zwei Ansaugeinrichtungen (11, 11') vorgesehen sind, die denjenigen Teil der Luft aufnehmen, der zwischen den Stäben (3, 3') hindurch gemäß den Pfeilen (9) abströmt, wobei die eine Ansaugeinrichtung (11) unterhalb des Abschnittes (7) der Raupe (2) und die andere Absaugeinrichtung (11') unterhalb des Abschnittes (7') der Raupe (2') angeordnet ist, derart, daß die Fasern und Verunreinigungen, die von den Stäben (3, 3') und den Nadeln (10, 10') abgenommen wurden, abgeführt werden.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß jedes Rohr (1, 1') mehrere Öffnungen (6) in Form von Löchern aufweist, wobei die Anzahl der Löcher vorzugsweise zwischen 10 und 20 liegt und wobei die Löcher (6) vorzugsweise ausgefluchtet sind und in demjenigen Abschnittes (1, 1') angeordnet sind, der direkt den Stäben (3, 3') gegenüberliegt.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß jede der Öffnungen (6) vorzugsweise kreisförmigen Querschnitt aufweist.
  6. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß jedes Rohr (1, 1') eine oder mehrere Öffnungen (6) aufweist, die die Form eines oder mehrerer Spalte haben, welche sich über die gesamte Länge des Rohres (1, 1') erstrecken, so daß Druckluft in einem oder mehreren flachen Strahlen angeordnet werden, und welche auf dem Abschnitt des Rohres (1, 1') angeordnet sind, der direkt den Stäben (3, 3') gegenüberliegt.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß jedes der Rohre (1, 1') mit einer Einlaßöffnung (12) für Druckluft versehen ist, die entweder aus einem Druckluftnetz oder einer anderen Druckluftquelle, wie z.B. einer Luftpumpe, stammt, wobei der Druck, mit welchem die Rohre (1, 1') mit Druckluft beaufschlagt werden, vorzugsweise zwischen 0,5 und 1,5 bar liegt.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Druck, mit welchem die Rohre (1, 1') beaufschlagt werden, vorzugsweise 1 bar beträgt.
EP19880440082 1987-10-09 1988-10-07 Vorrichtung zum fortlaufenden Reinigen der Nadeln eines Nadelstabstreckwerkes für Textilfasern Expired - Lifetime EP0311544B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8714166A FR2621604B1 (fr) 1987-10-09 1987-10-09 Dispositif de nettoyage permanent des aiguilles d'un systeme d'etirage a aiguilles pour fibres textiles
FR8714166 1987-10-09

Publications (2)

Publication Number Publication Date
EP0311544A1 EP0311544A1 (de) 1989-04-12
EP0311544B1 true EP0311544B1 (de) 1993-01-27

Family

ID=9355806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880440082 Expired - Lifetime EP0311544B1 (de) 1987-10-09 1988-10-07 Vorrichtung zum fortlaufenden Reinigen der Nadeln eines Nadelstabstreckwerkes für Textilfasern

Country Status (4)

Country Link
EP (1) EP0311544B1 (de)
DE (1) DE3877885T2 (de)
ES (1) ES2039686T3 (de)
FR (1) FR2621604B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536883A1 (de) * 1995-10-04 1997-04-10 Josef Stummer Vorrichtung zum Öffnen von flockenförmigem Fasergut
FR2794137B1 (fr) * 1999-05-31 2001-07-27 Schlumberger Cie N Tete d'etirage pour machines d'etirage pourvue d'un dispositif d'obturation automatique de conduits pneumatiques
CN109457339A (zh) * 2018-12-05 2019-03-12 泰州金宝来纺织有限公司 一种针梳机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1410604A1 (de) * 1958-12-09 1968-10-10 Jean Nifenecker Krempelmaschine
CH399262A (de) * 1963-02-25 1966-03-31 Saco Lowell Shops Streckwerk für Faserlunten
CH593357A5 (en) * 1974-07-15 1977-11-30 Schlumberger Cie N Gill with chains for carrying and transporting fallers - permits assembly and dismantling of fallers by unskilled personnel
IT1129411B (it) * 1980-03-07 1986-06-04 Sant Andrea Novara Officine Stiratoio per nastri di fibre tessili provvisto di una testa a pettini rotanti

Also Published As

Publication number Publication date
FR2621604A1 (fr) 1989-04-14
FR2621604B1 (fr) 1991-05-31
EP0311544A1 (de) 1989-04-12
DE3877885D1 (de) 1993-03-11
ES2039686T3 (es) 1993-10-01
DE3877885T2 (de) 1993-08-26

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