EP1413663B1 - Walze für Textilveredlungsmaschine - Google Patents

Walze für Textilveredlungsmaschine Download PDF

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Publication number
EP1413663B1
EP1413663B1 EP03103916A EP03103916A EP1413663B1 EP 1413663 B1 EP1413663 B1 EP 1413663B1 EP 03103916 A EP03103916 A EP 03103916A EP 03103916 A EP03103916 A EP 03103916A EP 1413663 B1 EP1413663 B1 EP 1413663B1
Authority
EP
European Patent Office
Prior art keywords
roller
jacket
inner core
abrasive
tubular body
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.)
Revoked
Application number
EP03103916A
Other languages
English (en)
French (fr)
Other versions
EP1413663A1 (de
Inventor
Bruno Scortegagna
Antonio Panozzo
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.)
Lafer SpA
Original Assignee
Lafer SpA
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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Application filed by Lafer SpA filed Critical Lafer SpA
Publication of EP1413663A1 publication Critical patent/EP1413663A1/de
Application granted granted Critical
Publication of EP1413663B1 publication Critical patent/EP1413663B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D06C15/08—Rollers therefor

Definitions

  • the present invention concerns a roller that can be used in textile machines to perform a finishing treatment on a fabric, to be more exact a grinding treatment with the removal of fibrous surface material.
  • the roller is provided on its outer surface with finishing means, such as for example an abrasive and/or filamentary material, abrasive brushes or similar, able to achieve a desired treatment to break the surface and remove the fiber from the surface of a fabric in transit.
  • finishing means such as for example an abrasive and/or filamentary material, abrasive brushes or similar, able to achieve a desired treatment to break the surface and remove the fiber from the surface of a fabric in transit.
  • the roller comprises an inner core and a removable covering jacket which has the abrasive material on the outside; the jacket can be mounted/dismantled easily and rapidly on/from the inner core to be changed in the event of wear, or replaced in order to change the finishing material being treated.
  • grinding machines comprising a plurality of rollers, in contact with which a fabric to be treated is made to pass.
  • the rollers comprise a cylindrical body, normally made of stainless steel, covered with an abrasive or filamentary material, suitable to generate a desired treatment to partly remove the surface fiber of the fabric passing through.
  • the abrasive material is normally applied by means of gluing, spot welding, nailing or other similar means, of one or more strips that are arranged in bands, so as to cover substantially the whole surface of the roller.
  • rollers can be driven or idle so as to rotate around their own shaft, and can be arranged in line or mounted circumferentially on a rotary drum around which the fabric to be treated is made to pass.
  • Examples of machines of this type can be seen in EP-A-0.620.307, WO-A-99/01602 and EP-A-1.072.713, the last two in the name of the present Applicant.
  • the cylindrical body is turned and gauged precisely, so that it is able to rotate at high speed around its axis without any risk that any irregularities of movement occur, or any lack of homogeneity in the processing of the fabric in transit.
  • a first disadvantage of known rollers is the fact that, especially in the case of rollers with a small diameter, for example in the range of about 8-10 cm, they are complex to achieve and require long working times; moreover, when they are made of stainless steel with a small diameter, they do not guarantee over time that the requirements of shape are maintained, as required to rotate at very high speeds without creating problems of stability and homogeneity in treatment.
  • a further disadvantage is caused by the overheating and high vibrations to which the inner metal core is subjected during processing, particularly during prolonged processing.
  • US-A-5,050,280 describes a roller for an emerizing machine, which is a different machine from a grinding machine.
  • emery rollers consisting of an inner metal core, a plurality of wooden beating blades attached by means of bolts to the inner core and an external covering made of abrasive material applied in the form of a continuous strip.
  • the beating blades are configured to define a discontinuous surface for the abrasive material, achieving a beating effect on the fabric being worked during the rotation of the roller.
  • this roller does not resolve any of the disadvantages mentioned above, particularly because it does not provide the possibility to remove the abrasive covering from the core of the roller easily and rapidly, nor does it resolve the problem of overheating and the vibrations of the inner core, but on the contrary it accentuates these problems.
  • US-A-6,122,807 on which the preamble to the independent claim 1 is based, describes a roller for textile finishing methods, comprising an inner metal tubular core on whose outer surface a laminated sheet is deposited, so as to constitute a single body therewith.
  • An abrasive layer, continuous or discontinuous, consisting of diamond granules or dust, is then applied by means of electro-plating on the outer surface of the laminated sheet.
  • Applicant has devised and embodied the present invention to overcome all these shortcomings and to obtain other advantages as shown hereafter.
  • the purpose of the invention is to achieve a roller for grinding machines intended for surface finishing treatments of a fabric with a partial removal of the fibrous surface material, which has great regularity and perfect shape in order to be able to rotate even at high speeds, without any irregularities of movement and lack of homogeneity in finishing the fabric developing in the short term.
  • Another purpose of the present invention is to achieve a roller for textile finishing machines wherein the abrasive covering can easily be replaced without changing or replacing the entire roller, and wherein this replacement can be carried out even leaving the inner core of the roller on the machine in which the roller is applied.
  • Another purpose is to achieve a roller wherein the overheating of the inner metal core is avoided and a stable positioning of the outer abrasive covering is guaranteed.
  • a roller for textile finishing machines comprises a supporting inner nucleus or core, advantageously made of metal material, and a covering jacket.
  • the jacket is provided, on its outer surface, with finishing means, such as for example an abrasive or filamentary material, or abrasive brushes for grinding.
  • the jacket consists of a tubular body, with an inner diameter mating with the outer diameter of the inner core, which is able to be separated and inserted/removed axially onto/from the inner core so as to be replaced by a jacket equipped with finishing material of a different type, or changed for a new one in the event of wear or damage.
  • the inner core comprises a rod made of turned iron, rectified and balanced, suitable to rotate at high speeds and able to be associated with a mating jacket of any suitable material.
  • finishing material and the type of application on the surface of the jacket are not restrictive for the field of the present invention.
  • the tubular body of the jacket is made of stainless steel, which is particularly suitable to attach in a stable manner, directly on its outer surface - for example by means of electro-plating with nickel - granules or powder of abrasive material, for example diamond, corundum, in the form of ruby or sapphire, or otherwise.
  • abrasive material for example diamond, corundum, in the form of ruby or sapphire, or otherwise.
  • the tubular body of the jacket is made of plastic material with high mechanical resistance.
  • the jacket has a cylindrical shape.
  • the positioning means comprise a sleeve made of elastically deformable material attached to the outer surface of the inner core and able to facilitate the insertion and adaptation of the jacket.
  • the sleeve has a cylindrical shape, mating with that of the inner core and of the jacket.
  • the sleeve is formed by longitudinal, transverse, diagonal or mixed strips that partly occupy the outer surface of the inner core.
  • the sleeve is formed by blocks made of elastic material distributed on the outer surface of the inner core.
  • the presence of the intermediate sleeve creates a condition of stable coupling, extended over time, which ensures that the machine can be used for a long time in efficient conditions.
  • the sleeve is made for example of vulcanized rubber, bakelite, ebonite, etc. and is also able to absorb knocks during the transit of the fabric, so as to obtain a more homogeneous finishing action.
  • the intermediate sleeve also has the function of reducing both the possibility of overheating of the inner core and also the vibrations during processing.
  • clamping means provided, such as screws, bolts or suchlike, to attach the jacket to the inner core with even greater stability.
  • fig. 1 shows schematically an example of a grinding machine 20 of the type with a rotary drum 11 on whose periphery a plurality of grinding rollers 10 are mounted, also rotary.
  • drawing rollers 12 and 14 At inlet to and outlet from the drum 11 there are drawing rollers, respectively 12 and 14, the function of which is to feed a fabric 13 to be worked to the grinding machine 20, keeping a desired winding tension.
  • the machine 200 shown in fig. 2, on the contrary, has a plurality of grinding rollers 10 arranged substantially aligned on one plane, on which a fabric 13 is made to pass, intermediate tensioning rollers 15 being present able to create a desired contact pressure between the fabric 13 and the rollers 10.
  • a roller 10 according to the invention (figs. 3, 4 and 5), usable in the machines 20 and 200 or other similar or comparable machines, comprises an inner core 16 of a hollow cylindrical shape, able to be coupled with a driven shaft 17 for the purposes of rotation, and a covering jacket 19, in this case tubular in shape and with a thickness of about 1.5 cm.
  • the inner core 16 preferably consists of a metal rod, advantageously made of turned, rectified and balanced iron able to be made to rotate at high speeds.
  • the jacket 19 is provided on its outer surface 21 with an abrasive material 22 suitable to achieve the desired surface treatment on the fabric 13.
  • the jacket 19 consists of a stainless steel cylindrical tubular body on which the abrasive material 22 is attached, for example by means of electro-plating.
  • the abrasive material 22, in this case, comprises mineral granules having a high level of hardness, for example from 8 to 10 on the Mohs scale.
  • the tubular body of the jacket 19 is made of plastic material with a high mechanical resistance, for example based on epoxy resin or other.
  • tubular body of the jacket 19 is made of hard rubber, for example vulcanized.
  • the jacket 19 can be mounted/dismantled and removed axially from the inner core 16, so as to be removed easily when it is worn or damaged, or when it has to be exchanged for another jacket of a different type, without having to dismantle, change or even eliminate the inner core 16.
  • the same roller 10 can be used, to perform different types of treatments, changing the jacket 19 simply and quickly for another jacket having different abrasive characteristics in terms of material, grain, density, distribution, etc.
  • an intermediate sleeve 25 made of elastic material, for example rubber, able both to thermally insulate the inner core 16 in order to limit the overheating thereof, due to the friction between the abrasive material 22 and the fabric 13 passing through, and also to facilitate the insertion and adaptation of the jacket 19.
  • the use of the intermediate sleeve 25 also allows to deaden the vibrations during the rotation of the roller 10.
  • an attachment screw 32 which is inserted into a through aperture 30 made in the jacket 19 to clamp it in the assembled condition to the inner core 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (14)

  1. Walze für Textilmaschinen (20, 200), die geeignet ist, das Schleifen von Geweben (13) durchzuführen, und einen tragenden Innenkern (16) und eine ein abschleifendes oder faseriges Material (22) aufweisende Außenbeschichtung umfaßt, dadurch gekennzeichnet, daß diese Außenbeschichtung einen aus einem Rohrkörper bestehenden Mantel (19) umfaßt, auf dessen Außenfläche (21) dieses abschleifende oder faserige Material (22) vorhanden ist, wobei dieser Rohrkörper ein getrennter Bauteil ist, der geeignet ist, auf/aus diesem Innenkern (16) axial aufgestellt/entfernt werden.
  2. Walze nach Anspruch 1, dadurch gekennzeichnet, daß dieser Mantel (19) zylindrisch ist.
  3. Walze nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Rohrkörper dieses Mantels (19) aus nichtrostendem Stahl besteht.
  4. Walze nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Rohrkörper dieses Mantels (19) aus Kunststoff oder Gummi mit hohem mechanischem Widerstand besteht.
  5. Walze nach dem einen oder dem anderen der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dieses abschleifende/faserige Material (22) an der Außenfläche (21) des Rohrkörpers dieses Mantels (19) unmittelbar befestigt ist.
  6. Walze nach dem einen oder dem anderen der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dieses abschleifende/faserige Material (22) Körner oder Pulver von Schleifmaterial umfaßt.
  7. Walze nach Anspruch 6, dadurch gekennzeichnet, daß dieses Schleifmaterial Korund in Gestalt von Rubin oder Saphir oder Diamant ist.
  8. Walze nach dem einen oder dem anderen der Ansprüche 1 bis 5 einbegriffen, dadurch gekennzeichnet, daß dieses abschleifende/faserige Material (22) Schleifbürsten umfaßt.
  9. Walze nach dem einen oder dem anderen der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dieser Innenkern (16) einen abgedrehten, geschliffenen und ausgewuchteten Eisenstab umfaßt, der geeignet ist, mit hohen Geschwindigkeiten zu drehen.
  10. Walze nach dem einen oder dem anderen der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen diesem Mantel (19) und diesem Innenkern (16) Positioniermittel (25) angeordnet sind, die geeignet sind, die Anpassung zwischen diesem Mantel (19) und diesem Innenkern (16) zu gestatten und zu erleichtern.
  11. Walze nach Anspruch 10, dadurch gekennzeichnet, daß diese Positioniermittel (25) eine Hülse aus elastisch verformbarem Material umfaßen, die an der Außenfläche dieses Innenkerns (16) befestigt ist.
  12. Walze nach Anspruch 11, dadurch gekennzeichnet, daß diese Hülse (25) aus vulkanisiertem Gummi, Bakelit, Hartgummi, usw. besteht.
  13. Walze nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß diese Hülse (25) die ganze Fläche dieses Innenkerns (16) deckt.
  14. Walze nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß diese Hülse (25) die Fläche dieses Innenkerns (16) teilweise deckt und Streifen oder Blöcke aus elastischem Material umfaßt.
EP03103916A 2002-10-25 2003-10-23 Walze für Textilveredlungsmaschine Revoked EP1413663B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000224A ITUD20020224A1 (it) 2002-10-25 2002-10-25 Rullo per macchine di finissaggio tessile
ITUD20020224 2002-10-25

Publications (2)

Publication Number Publication Date
EP1413663A1 EP1413663A1 (de) 2004-04-28
EP1413663B1 true EP1413663B1 (de) 2005-09-14

Family

ID=11460765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03103916A Revoked EP1413663B1 (de) 2002-10-25 2003-10-23 Walze für Textilveredlungsmaschine

Country Status (2)

Country Link
EP (1) EP1413663B1 (de)
IT (1) ITUD20020224A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800021232A1 (it) * 2018-12-27 2020-06-27 Sintec Textile S R L Dispositivo abrasivo per macchine di finissaggio di tessuti

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR574559A (fr) * 1924-02-01 1924-07-16 Maison Neyret Perfectionnements aux organes actifs des machines dites à
FR1459223A (fr) * 1965-09-29 1966-04-29 Perfectionnements aux cylindres d'appel pour l'industrie textile
DE3904003A1 (de) * 1989-02-10 1990-08-16 Sucker & Franz Mueller Gmbh Schmirgelmaschine
DE9116371U1 (de) * 1991-03-28 1992-11-26 Eduard Kuesters Maschinenfabrik Gmbh & Co Kg, 4150 Krefeld, De
IT1282270B1 (it) * 1995-10-20 1998-03-16 North Bel International Srl Procedimento meccanico per la modifica in continuo a secco o in umido, dell'aspetto e del colore dei tessuti mediante rulli

Also Published As

Publication number Publication date
ITUD20020224A1 (it) 2004-04-26
ITUD20020224A0 (it) 2002-10-25
EP1413663A1 (de) 2004-04-28

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