EP0322288B1 - Rauhmaschine - Google Patents

Rauhmaschine Download PDF

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Publication number
EP0322288B1
EP0322288B1 EP88403209A EP88403209A EP0322288B1 EP 0322288 B1 EP0322288 B1 EP 0322288B1 EP 88403209 A EP88403209 A EP 88403209A EP 88403209 A EP88403209 A EP 88403209A EP 0322288 B1 EP0322288 B1 EP 0322288B1
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EP
European Patent Office
Prior art keywords
machine according
pile
counter
type
teazle
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
EP88403209A
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English (en)
French (fr)
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EP0322288A1 (de
Inventor
Michel Scholaert
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Individual
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Individual
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Filing date
Publication date
Priority claimed from FR8718242A external-priority patent/FR2624893B1/fr
Priority claimed from FR8718241A external-priority patent/FR2624892B1/fr
Application filed by Individual filed Critical Individual
Priority to AT88403209T priority Critical patent/ATE53869T1/de
Publication of EP0322288A1 publication Critical patent/EP0322288A1/de
Application granted granted Critical
Publication of EP0322288B1 publication Critical patent/EP0322288B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics

Definitions

  • the present invention relates to the scraping of fabrics, knits and nonwovens using machines, such as woolen machines, which include scraping or ruffling cylinders.
  • the woolen machines are equipped with worker cylinders of two kinds, alternated on the periphery of a rotating drum: workers called “hair” and workers called “counterweight”.
  • Each of these workers consists of a cylinder whose rotation is controlled by the machine, and which is covered with a lining whose teeth are directed in the direction of advance of the fabric (bristles) or in the opposite direction to fabric advance (counterweight).
  • the patent FR-A 2 338 343 has already improved the operation of woolen machines by reducing the number of pile workers compared to counterweight workers.
  • each pile or counterweight worker consists of a set of small cylinders (mini T) covered with linings respectively pile or counterweight.
  • This machine comprises, in known manner, controlled scraping cylinders of the counterweight type. According to the invention, it also comprises, on the course of the fabric, cylinders called thistles, of small dimension with respect to the width of scraping, mounted free in rotation and covered with a carding lining whose teeth are directed parallel to their axis. of rotation.
  • angle of attack denotes the complementary angle to 90 ° which the direction of the point of the thistle makes in the same plane with the direction of movement of said thistle.
  • the thistles have an adjustable angle of attack according to the fabrics to be scratched. Preferably the angle of attack is between 0 and +15 ° .
  • the angle of attack is zero when the axis of rotation of the thistle is perpendicular to the direction of movement of the thistle and therefore of the tissue. In the latter case, the thistle has no specific action in addition to that of the counterweight cylinders.
  • scraper cylinders of the thistle type and machines equipped with thistles are well known, in particular by patents FR-A-1,196,286 and GB-A-876,154.
  • these machines are equipped exclusively with thistles, and not as is the case with the invention of scraping cylinders whose rotation is controlled of the counterweight type and of free-rotation scraping cylinders of the thistle type. It is the merit of the invention to have achieved this combination which provides better quality scraping.
  • the diameter of the thistles is greater than the length of the fibers exiting during scraping, for example of the order of 50 millimeters.
  • thistles are assembled side by side over a whole width of scraping, constituting a line of thistles.
  • each counterweight cylinder is in itself a worker, supported by a drum
  • the lines of thistles are distributed over the entire periphery of the drum, alternately with one or more counterweight workers.
  • each counterweight cylinder is one of the elements, called Mini-T, mounted on the periphery of the same worker, according to the teaching of patent FR-A 2,578,861, the thistle lines are distributed over the entire periphery of said worker, alternately with one or more lines of mini-T counterweight.
  • the thistle is equipped, at each of its ends, with protective means covering the starting and end zones of card lining.
  • the mini-T cylinders are themselves equipped, at each of their ends, with protective means covering the start and end areas of the lining. card.
  • These protective means is to prevent the article from being torn off or marked along the end zones of the cylinders, in particular when the tension exerted causes the article to sink into the space between two adjacent cylinders, forming a hollow.
  • the protection means even if they do not completely avoid the formation of the hollow caused by the spacing between the cylinders, protect the tissue from the aggressive action of the teeth equipping the zones extremes, starting and ending, of the card lining. As a result, there is no longer any tearing off or marking of the fabric during treatment.
  • these are integral with the scraper cylinder itself and consist, in a first variant, in two caps mounted at each of the ends on the axis of the cylinder. Each cap covers the part of the teeth, placed at the corresponding end of the cylinder, at the start or end of the filling. The caps are rotated at the same time as the cylinders.
  • the outer surface of the cap in contact with the fabric is smooth or preferably rough or spiked.
  • said protection means are integral with the scraper cylinder
  • said protection means consist of a ring or portion of foam ring, possibly preformed, conforming to the hollow shape left on the surface of the cylinder from the start and the end of the filling.
  • the protection means are not integral with the scraper cylinder, but consist, for a given cylinder, in two fixed covers mounted on the two supports of the cylinder.
  • the supports in question allow the fixing on the drum of the machine of the bearings in which the axis of the cylinder is mounted free in rotation in the case of thistles and controlled in rotation in the case of mini-T bristles and counter-hairs.
  • the conventional woolen machine 1 consists of a drum 2, driven in a rotational movement in the direction of the arrow T.
  • On the periphery of the drum 2 are mounted twenty-four workers, twelve bristles 3 and twelve counter-hairs 4.
  • the pile workers 3 are covered with a lining, the teeth 5 of which are directed in the direction of rotation of the drum 2, which is also the direction of movement of the fabric 6; on the other hand, the counterweight workers 4 are covered with a lining, the teeth 7 of which are directed in the opposite direction to the arrow T.
  • the rollers 8 and 9 are placed at the bottom of the periphery of the drum 2, respectively at the entrance and at the exit of the fabric 6.
  • the circumferential speed of the drum, at the level of the outside surface of the workers, is fixed, of the order of 350 meters per minute.
  • the workers have an adjustable speed, they are controlled to rotate in the direction of the arrow D, opposite to that of the drum, for example the counterweight workers at a circumferential speed of 340 m / min and the pile workers at a circumferential speed of 360 m / min, the fabric 6 being driven by means not shown at a speed of 20 m / min.
  • the fabric 6 enters at the level of the roller 8, it surrounds the workers 3 and 4 mounted on the periphery of the drum 2 and exits at the level of the roller 9.
  • the counterweight workers lift the fibers available on the surface of the fabric 6 which is opposite the woolen machine, while the pile workers have a parallelizing action on the fibers already raised.
  • the action of the hair workers is accompanied by a scraping of the surface of the fabric, which can be the cause of tearing of fibers, of tearing of the fabric, and even of marking of the fabric at the outlet of the woolen machine.
  • the twelve pile workers are replaced in the conventional woolen machine by six lines composed of thistles 11 according to the model illustrated in FIG. 2 and by six counterweight workers.
  • the thistle 11 consists of a cylinder 12, mounted to rotate freely on an axis 13.
  • the surface of the cylinder 12 is covered with a lining, the teeth 14 of which are directed parallel to the axis of rotation 13.
  • the two ends 15 and 16 of the cylinder 12 are provided with two caps 17 and 18 respectively, fixed on the axis 13 and covering for a short distance the teeth 14 ′ situated in line with the ends 15 and 16.
  • the two ends of the axis of rotation 13 are mounted in supports, fixed to the drum 2 and comprising bearings in which the axis 13 is free to rotate.
  • the positioning of the supports on the drum is adjustable so as to allow the possible variation of the thistle's attack angle.
  • the angle of attack a is the complementary angle of the angle p which is between the general direction of movement of the thistle 11 during the rotation of the drum 2 (arrow A) and the general direction of the teeth thistle (arrow C).
  • the options for adjusting the angle of attack a are between 0 and 20 ° .
  • a zero angle of attack corresponds to the case where the thistles 11 of the same line are aligned transversely, and are parallel to the counterweight workers 4.
  • the counterweight workers 4 exert their usual action, gripping and pulling the fibers accessible on the surface of the fabric 6. With regard to the action of the thistles, it is found that their presence results in a reduction of fabric tension 6 between the counterweight workers. This reduction in tension improves the ease of penetration of the teeth 7 of the counterweight workers 4 into the tissue and therefore the productivity.
  • Thistle 11 has an outside diameter of 51 mm and a length of 200 mm.
  • FIG 3 there is shown, in three distinct phases, the kinematics of the action of a tooth of a thistle on the tissue 6.
  • the thistle 11 is in contact with the tissue 6 by the intermediate of the tooth 14.
  • the end 19 of the tooth 14 is in contact with a fiber which is at the level of the tissue 6 and thanks to its non-zero angle of attack can lift it; this end 19 is vertical to the axis of rotation 13 of the thistle 11.
  • the angle of attack of the thistles makes it possible to vary the action of the thistles relative to that of the counterweights 4.
  • the angle is between 10 ° and 15 ° .
  • the ends 19 of the teeth 14, during the rotation of the thistle 11 no longer raise the fibers of the tissue, and only the counterweights have an action on the tissue, this which corresponds to a felting.
  • the machine of the invention is a woolen machine which can be transformed, by simple adjustment of the thistles 11, into a felting machine for fleece knits and for felting already scraped articles.
  • the woolen machine 1 had twenty-four workers, namely eighteen checks and six lines of thistles.
  • table 1 below gives the compositions recommended for woolen machines comprising different numbers of workers.
  • table 1 below gives the compositions recommended for woolen machines comprising different numbers of workers.
  • the invention applies in the same way in a woolen machine based on the teaching of French patent NO 85.03.741 in which each worker is himself composed of a set of small cylinders (mini-T) covered card lining: all mini-T for a pile worker are covered with lining in the pile direction, similarly all mini-T for a pile worker are covered with lining in the pile direction.
  • mini-T small cylinders
  • the caps 17 and 18 are intended to cover at the two ends of the thistle 11 the zones corresponding to the beginning and the end of the filling. What is said below concerning the means of production of the ends of the thistles is also valid for the mini-T cylinders.
  • FIG. 4 There is shown in Figure 4 the end 16 of a thistle 11 not equipped with its cap 18.
  • the card lining has the form of a ribbon 20 and its mounting on the body of the cylinder 12 is carried out by winding the ribbon 20 helically contiguously.
  • the ribbon 20 is glued to the body 12, and each of the two ends of the ribbon is moreover fixed to the body 12 using, for example, a fixing screw 21.
  • a portion 22 of the surface of the body 12 is not coated with the lining 20.
  • the cap 18 is mounted at the end of the body 12 on the element 13 forming the axis of rotation of the thistle. It has a part 23 of annular shape.
  • This ring 23, centered on the axis of rotation of the cylinder, has a diameter slightly greater than that of the body 12 equipped with its teeth 14; in addition, the ring 23 extends over the entire periphery of the end 16 of the body 12 over a sufficient distance to ensure the covering of the part 22 of the body 12 not coated with card lining 20, or even the first tooth 14 '.
  • the ring 23 is fixed to the central element 13 by means of a connecting element 24, which can be a flat and circular washer of the same diameter as the ring 23.
  • the ring 23 is advantageously made of metal. Its external surface will be smooth or advantageously rough or spiked, in order to avoid the phenomena of marking on the fabric.
  • the cap 18 can be replaced by a portion of foam ring, possibly preformed, matching the hollow shape, that is to say the zone 22, left on the surface of the cylinder 12 by the beginning or the end of the filling.
  • the protective means is not limited to the fixing of the helical card lining, it also applies when the lining is a ribbon having the width of the cylinder to be trimmed which is stapled over the entire length of the generators.
  • the foam, possibly preformed, will have the shape of a ring.

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

Claims (14)

1. Maschine zum Aufrauhen von Geweben, von der Art, die insbesondere angetriebene, gegen den Strich wirkende, Kratzzylinder (4) aufweist, dadurch gekennzeichnet, daß sie auch Kardenzylinder (11) mit geringer Größe, bezogen auf die Größe des Gewebes (6), aufweist, die frei drehbar befestigt sind und mit einer Kardenausrüstung bedeckt sind, deren Zähne (14) parallel zur Drehachse (13) gerichtet sind.
2. Maschine nach Anspruch 1, dadurch gekennzeichnet, daß die Kardenzylinder einen in Abhängigkeit vom aufzurauhenden Gewebe verstellbaren Angriffswinkel (a) haben.
3. Maschine nach Anspruch 2, dadurch gekennzeichnet, daß der Angriffswinkel (a) zwischen 0 und 15° liegt.
4. Maschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Durchmesser der Kardenzylinder (11) größer ist als die Länge der durch das Kratzen herausgezogenen Fasern, vorzugsweise in der Größenordnung von 50 mm.
5. Maschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß jede Karde (11) an jedem ihrer beiden Enden (15, 16) mit einem Schutzmittel (17, 18) versehen ist, das die Anfangs- und Endzonen des Besatzes abdeckt.
6. Maschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Kardenzylinder (11) quer über die gesamte Breite der Kratzzone angeordnet sind und eine Kardenlinie bilden.
7. Maschine nach Anspruch 6, wobei die angetriebenen, gegen den Strich wirkenden, Kratzzylinder Bearbeitungsvorrichtungen bilden, die von einer Trommel getragen werden, dadurch gekennzeichnet, daß die Kardenlinien über den gesamten Umfang der Trommel verteilt sind, abwechselnd mit einem oder mehreren gegen den Strich arbeitenden Mittel.
8. Maschine nach Anspruch 6, wobei die angetriebenen, gegen den Strich arbeitenden Kratzzylinder Mini-T genannte Elemente bilden, die an der Peripherie ein und desselben Bearbeiters montiert sind, dadurch gekennzeichnet, daß die Kardenlinien über die gesamte Peripherie dieses Bearbeiters alternativ mit einer oder mehreren Linien der gegen den Strich arbeitenden Mini-T's verteilt sind.
9. Maschine nach Anspruch 8, dadurch gekennzeichnet, daß jeder gegen den Strich arbeitende Mini-T Zylinder an jedem seiner beiden Enden mit einem Schutzmittel versehen ist, welches den Anfangs- und den Endbereich der Ausrüstung abdeckt.
10. Maschine nach einem der Ansprüche 5 und 9, dadurch gekennzeichnet, daß die Schutzmittel für die Karde und/oder den gegen den Strich arbeitenden Mini-T Zylinder aus einer auf der Achse (13) des entsprechenden Zylinders fix montierten Haube besteht.
11. Maschine nach Anspruch 10, dadurch gekennzeichnet, daß die Haube (18) im Kontakt mit dem zu rauhenden Artikel eine Oberfläche aufweist, die rauh oder mit Spitzen versehen ist.
12. Maschine nach einem der Ansprüche 5 und 9, dadurch gekennzeichnet, daß das Schutzmittel der Karde und/oder des gegen den Strich wirkenden Mini-T Zylinders aus einem Ring oder dem Teil eines Ringes aus Schaumstoff mit einer Innenform entsprechend der des Zylinders am Beginn oder am Ende der Ausrüstung, besteht.
13. Maschine nach einem der Ansprüche 5 und 9, dadurch gekennzeichnet, daß für einen gegebenen Zylinder die Schutzmittel aus zwei fixen Hauben bestehen, die auf den beiden Trägern des Zylinders befestigt sind.
14. Maschine nach einem der Ansprüche 6 und 8, dadurch gekennzeichnet, daß die Karden (11) jeder Linie mit einem Angriffswinkel (a) Null gefahren werden, wodurch die Maschine als Filzmaschine arbeitet.
EP88403209A 1987-12-21 1988-12-16 Rauhmaschine Expired - Lifetime EP0322288B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88403209T ATE53869T1 (de) 1987-12-21 1988-12-16 Rauhmaschine.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8718242A FR2624893B1 (fr) 1987-12-21 1987-12-21 Machine a gratter les tissus equipee de contrepoils et de chardons
FR8718241 1987-12-21
FR8718241A FR2624892B1 (fr) 1987-12-21 1987-12-21 Machine a gratter a cylindres gratteurs de petite dimension equipee de moyens de protection
FR8718242 1987-12-21

Publications (2)

Publication Number Publication Date
EP0322288A1 EP0322288A1 (de) 1989-06-28
EP0322288B1 true EP0322288B1 (de) 1990-05-02

Family

ID=26226412

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88403209A Expired - Lifetime EP0322288B1 (de) 1987-12-21 1988-12-16 Rauhmaschine

Country Status (6)

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US (1) US4897901A (de)
EP (1) EP0322288B1 (de)
JP (1) JPH01321976A (de)
DE (1) DE3860119D1 (de)
ES (1) ES2015614B3 (de)
GR (1) GR3002504T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1272535B (it) * 1993-08-30 1997-06-23 Sperotto Rimar Spa Macchina garzatrice e/o smerigliatrice per tessuti e maglieria
DE4422844A1 (de) * 1994-06-30 1996-01-11 Hoechst Ag Verfahren zum Vernadeln von Materialbahnen, dafür geeignete Vorrichtung und deren Verwendung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1002738A (en) * 1910-06-08 1911-09-05 Emil Mundorf Planetary napping-machine.
FR571494A (fr) * 1923-10-04 1924-05-17 Albert Lorthiois Et Albert Ces Chardon métallique pour apprêts
FR799074A (fr) * 1934-12-24 1936-06-05 Dispositif de commande des cylindres dans les laineuses à tambour
FR822608A (fr) * 1937-06-03 1938-01-05 Albert C Scholaert Ets Dispositif de support de rotation pour chardons métalliques roulants de laineuses-gratteuses
GB820383A (en) * 1957-01-04 1959-09-16 Tomlinsons Rochdale Ltd Improvements in or relating to teazle raising machines
FR1196286A (fr) * 1958-05-22 1959-11-23 Tomlinsons Rochdale Ltd Perfectionnements aux machines à gratter
GB876154A (en) * 1958-07-26 1961-08-30 Tomlinsons Rochdale Ltd Improvements in or relating to fabric brushing device for textile cutting or shearing machines
GB873991A (en) * 1958-11-26 1961-08-02 Lumb Walshaw & White Ltd Improvements relating to the manner of mounting wire teazles for raising machines
FR1214496A (fr) * 1959-01-16 1960-04-08 Albert C Scholaert Ets Chardon métallique roulant et son support, pour machines textiles
US3114189A (en) * 1961-04-17 1963-12-17 Mullers Karl August Apparatus for napping textile fabrics
NL293747A (de) * 1962-06-28 Albert C Scholaert S A R L Ets
US3175224A (en) * 1963-02-20 1965-03-23 Beacon Mfg Co Napping machine
DE1269987B (de) * 1963-08-29 1968-06-12 Franz Mueller Maschinenfabrik Rollkarden-Rauhmaschine
FR1388703A (fr) * 1963-09-20 1965-02-12 Albert C Scholaert Ets Ensemble de chardon métallique
FR2578861B1 (fr) * 1985-03-14 1987-05-29 Scholaert Michel Travailleur pour machine a gratter les tissus, tricots et non tisses dans les machines telles, notamment, que les laineuses et machines comportant l'utilisation de cylindres gratteurs ou ebouriffeurs.

Also Published As

Publication number Publication date
EP0322288A1 (de) 1989-06-28
GR3002504T3 (en) 1993-01-25
JPH01321976A (ja) 1989-12-27
ES2015614B3 (es) 1990-09-01
DE3860119D1 (de) 1990-06-07
US4897901A (en) 1990-02-06

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