EP1762646B1 - Dichtungsvorrichtung für Maschinen zur Wärmebehandlung von Garnen - Google Patents

Dichtungsvorrichtung für Maschinen zur Wärmebehandlung von Garnen Download PDF

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Publication number
EP1762646B1
EP1762646B1 EP06360037A EP06360037A EP1762646B1 EP 1762646 B1 EP1762646 B1 EP 1762646B1 EP 06360037 A EP06360037 A EP 06360037A EP 06360037 A EP06360037 A EP 06360037A EP 1762646 B1 EP1762646 B1 EP 1762646B1
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EP
European Patent Office
Prior art keywords
sealing
rollers
head according
wear
sealing head
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
EP06360037A
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English (en)
French (fr)
Other versions
EP1762646A3 (de
EP1762646A2 (de
Inventor
Antoine Chochol
Hubert Liebmann
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.)
Superba SAS
Original Assignee
Superba SAS
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Filing date
Publication date
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Publication of EP1762646A2 publication Critical patent/EP1762646A2/de
Publication of EP1762646A3 publication Critical patent/EP1762646A3/de
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Publication of EP1762646B1 publication Critical patent/EP1762646B1/de
Not-in-force 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
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/14—Containers, e.g. vats
    • D06B23/18—Sealing arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/14—Containers, e.g. vats
    • D06B23/16—Containers, e.g. vats with means for introducing or removing textile materials without modifying container pressure

Definitions

  • the present relates to the field of the textile industry, in particular the treatment of son by means of heat treatment machines commonly called heat-setting machines and in particular the sealing heads of such machines, and relates to such a sealing head. .
  • the machines for heat treatment of the yarns consist essentially of a pressurized heat treatment chamber for textile yarns deposited on a conveyor belt passing through said chamber, which is closed at its two ends by sealing heads each comprising a frame attached to the pressurized vessel, a pair of horizontal rollers superposed or adjacent in a horizontal plane, which are pressed against the opposite faces of the conveyor belt and drive the material, as well as the conveyor belt, and sealing means to form a seal between the rollers and the frame.
  • the horizontal rollers are provided with sealing means in the form, on the one hand, of an elongate upper element and an elongated element and each supported against a generatrix of the two rollers and, on the other hand, of lateral plates of imperviousness slidingly against the corresponding ends of the rollers.
  • sealing means both horizontal and vertical is performed by means of actuators in the form of hydraulic cylinders at high pressure.
  • sealing means are in the form, on the one hand, of an upper element and an elongated lower element and supported against generatrices of the two rollers and, on the other hand, lateral sealing plates supported by sliding way against the corresponding ends of the rollers.
  • the upper element and the lower element forming the longitudinal sealing means of the two rollers are each constituted by a sealing strip mounted on a pivoting support resting on the frame via a longitudinal pivoting abutment, and each cooperate with one or more corresponding actuators, while the lateral sealing plates supported by slidably against the corresponding ends of the rollers are metal plates covered, at their friction zone, a teflon plate, these plates being applied under pressure against said ends.
  • the object of the present invention is to overcome these drawbacks by proposing sealing means for sealing heads of heat treatment machines, in particular for the treatment of wires, called heat-setting machines, making it possible to reduce substantially the intensity of friction and wear of the elements in contact.
  • the sealing head for wire heat treatment machines which consists essentially of a frame attached to a pressurized chamber traversed by a conveyor belt, by a pair of superposed horizontal rollers, which are pressed against the opposite faces of the conveyor belt, and by sealing means to form a seal between the rollers and the frame, at least one of the horizontal rollers and the sealing means being connected to corresponding displacement actuators, is characterized in that the sealing means for forming a seal between the rollers and the frame are each provided with an integrated pressure lubrication means in the form of a porous body disposed between the support forming the means sealing and the horizontal rollers superimposed and being connected by its side facing said support to a distribution means of a lub said means being connected externally to the support to a pressurized lubricant supply line.
  • FIG. 1 By way of example, the accompanying drawings show a sealing head for wire heat treatment machines, which consists essentially of a frame 1 attached to a pressurized enclosure (not shown) traversed by a conveyor belt (not shown). by a pair of superposed horizontal rollers 2 and 3, which are pressed against the opposite faces of the conveyor belt, and by sealing means 4 and 5 to form a seal between the rollers 2 and 3 and the frame 1, at least one, 2, horizontal rollers and sealing means 4 and 5 being connected to corresponding displacement actuators, not shown in detail.
  • the frame 1 not forming part of the present invention, it is represented only by its two lateral uprights receiving the rollers 2 and 3.
  • the sealing means 4 and 5 are applied under pressure against the corresponding surfaces of the rollers 2 and 3 respectively by means of actuators 8 and 9, which consist of jacks applying, on the one hand, against the sealing means 4, in order to effect a tilting of the latter tending to apply their active part against a longitudinal generatrix of the horizontal cylinders 2 and 3 and, secondly, against the sealing means 5 so as to press these last through levers 9 'against the ends of the rollers 2 and 3.
  • actuators 8 and 9 consist of jacks applying, on the one hand, against the sealing means 4, in order to effect a tilting of the latter tending to apply their active part against a longitudinal generatrix of the horizontal cylinders 2 and 3 and, secondly, against the sealing means 5 so as to press these last through levers 9 'against the ends of the rollers 2 and 3.
  • the sealing means 4 and 5 to form a sealing between the rollers 2 and 3 and the frame 1 are each provided with an integrated lubrication means 4 ', 5' under pressure.
  • Each pressurized integrated type lubrication means 4 ', 5' is in the form of a porous body disposed between the support forming the sealing means 4, 5 and the superposed horizontal rollers 2 and 3 and is connected by its face. turned towards said support to a means 4 ", 5" for dispensing a lubricant under pressure, said means 4 ", 5" being connected, externally to the support, to a pressurized lubricant supply line.
  • a pressurized lubricant can be passed through the supports forming the sealing means 4, 5 on the rear face of the porous bodies forming each pressurized lubrication means 4 ', 5' and thus be distributed in said porous bodies to migrate towards their bearing face against the horizontal rollers 2 and 3. It follows that the lubricant is applied against the surfaces of the rollers 1 and 2 in contact with the sealing means 4 and 5, so that the friction between said surfaces and said sealing means is reduced.
  • the means 4 ", 5" for dispensing a lubricant under pressure are advantageously provided in the supports forming the sealing means 4, 5 and extend along generatrices close to those of the horizontal rollers 2 and 3, namely parallel to the longitudinal axes of said rollers in the supports forming the sealing means 4 and following a portion of a circle concentric with the axis of the corresponding rollers, close to the diameter of said axis.
  • a lubricating film on the rollers 2 and 3 may, depending on the lubricating fluid used, be considered as negligible with regard to a possible wetting of the treated product in the treatment chamber of the machine. It is the same with regard to the lubrication of the ends of the rollers 2 and 3. In the latter case, the film may even have a greater thickness.
  • FIG. figure 1 of the accompanying drawings equipping the sealing head with means 6 and 7 for recovering and / or draining the lubricating fluid distributed respectively on the cylindrical surfaces of the rollers 2 and 3 and on the end faces of these rollers 2 and 3.
  • the means 6 for recovering and / or draining the lubricant fluid assigned to the horizontal rollers 2 and 3 may be in the form of scraping gutters applied by an edge against a generatrix of each roller 2 and 3 and provided with a duct 6 'of connection to a central tank or a circulation pump returning the fluid into the lubrication circuit.
  • the means 6 for recovering and / or draining the lubricating fluid is preferably arranged along a generator close to the inlet of the sealing head. and therefore the conveyor belt.
  • the means 6 for recovering and / or draining the lubricating fluid can advantageously be mounted directly on the support forming the sealing means 4, parallel to the pressurized lubrication means 4 '. Indeed, in the latter case, because the horizontal roller 3 does not come into contact with the product to be treated, the lubricating fluid can remain on said roller 3 for substantially a whole period of revolution and the means 6 is used essentially to recover the remaining fluid to prevent dispersion thereof.
  • the means 7 for recovering and / or draining the lubricating fluid distributed on the end faces of these rollers 2 and 3 may advantageously be in the form of one or more channels extending at least at the end of the means. sealing 5 penetrating into the processing chamber of the processing machine, these channels being connected to a recovery tank or a circulation pump.
  • the lubricating fluid which tends to move inwardly of the chamber enters the channel or channels forming the means 7 provided for this purpose, so that it can in no way escape to the treatment enclosure.
  • the sealing head with means for detecting wear of the sealing means 4 and 5, in particular their surface in contact with the longitudinal sealing rollers 2 and 3, both along their generatrix and at their ends, which consist of at least one displacement sensor 10, 11 assigned to the application means said sealing devices against the surfaces of the horizontal rollers 2 and 3.
  • the displacement sensors 10 and 11 assigned respectively to the sealing means 4 and 5 are each in the form of at least one end-of-travel contact cooperating with a cam 12. , 13 provided on a piston rod or a transmission rod of the actuator 8, 9 for pressurizing application of the sealing means 4, 5, this cam 12, 13 coming into contact with the sensor 10, 11 after a displacement corresponding to an optimal wear of the sealing means 4 and 5.
  • the terms optimum wear of the sealing means 4 and 5 mean wear of these means 4 and 5 further to ensure sealing while avoiding a deterioration of a contact surface.
  • the sensors 10 and 11 cooperating with the cams 12 and 13 make it possible to detect the decrease in the thickness of the sealing means 4 and 5, as a result of their wear, by taking into account the corresponding displacement of the piston rod or transmission of the actuators 8 and 9 and the stroke of the cam 12 or 13 thereof is preset to correspond to optimum wear, so that upon reaching the corresponding wear threshold, a preventive maintenance replacement is to be expected.
  • the end-of-travel contacts corresponding to optimum wear are advantageously connected to a luminous and / or audible signaling means and / or by display warning the operator of the necessity of the replacement of the sealing means.
  • the additional means of extreme wear detection 14, 15 are also made in the form of end-of-stroke contact and cooperate respectively with cams 16, 17 also provided on the piston rod or the transmission rod of the actuators 8 , 9.
  • the end-of-travel contacts forming these additional means of extreme wear detection 14, 15 are also connected to visual and / or audible alarm and / or display means, as well as to a cut-off contact. emergency of all power supplies of the machine.
  • the cams 16, 17 are comparable to those 12, 13 and have simply with respect to the latter a greater length of travel of the piston rod or the transmission rod of the actuators 8, 9.
  • the wear detection means 10, 11 and the additional means of extreme wear detection 14, 15 can be replaced either by an inductive detector, or by a ground contact mounted on a support arm or an intermediate actuating means of the sealing means 4, 5 and cooperating with one or more end-of-travel contacts, either by a visual detector or by a combination of the visual detector and of a mass contact.
  • the invention it is possible to very significantly improve the operation of a son heat treatment machine sealing head by providing a better seal between the movable elements and the fixed elements, while ensuring less wear sealing means.
  • the wear of said sealing means can be perfectly controlled, so that preventive maintenance can be performed and that the operational safety of the sealing head and as a result of the whole machine can be totally assured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Processing Of Terminals (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Wire Processing (AREA)
  • Sealing Devices (AREA)

Claims (18)

  1. Dichtungskopf für Maschinen zur Wärmebehandlung von Garnen, im Wesentlichen bestehend aus einem festen Gehäuse (1), das mit einem Raum unter Druck befestigt ist, durch den ein Förderband hindurch verläuft, einem Paar von übereinander angeordneten horizontalen Rollen (2 und 3), die gegen die gegenüber liegenden Flächen des Förderbandes gedrückt werden, und Dichtungsmitteln (4 und 5), um einen dichten Verschluss zwischen den Rollen (2 und 3) und dem Gehäuse (1) herzustellen, wobei mindestens eine (2) der horizontalen Rollen und die Dichtungsmittel (4 und 5) mit Mitteln zur Betätigung einer entsprechenden Verschiebung (8 und 9) verbunden sind, dadurch gekennzeichnet, dass die Dichtungsmittel (4 du 5) zur Herstellung eines dichten Verschlusses zwischen den Rollen (2 und 3) und dem Gehäuse (1) jeweils mit einem integrierten Schmiermittel unter Druck (4'), (5') versehen sind, das in Form eines porösen Körpers vorhanden ist, der zwischen der das Dichtungsmittel (4, 5) bildenden Stütze und den übereinander angeordneten horizontalen Rollen (2 und 3) vorgesehen und mit seiner zu der Stütze gewandten Seite mit einem Mittel (4 " , 5 ") zur Verteilung eines Schmiermittels unter Druck verbunden ist, wobei das Mittel (4", 5 ") außerhalb der Stütze mit einer Zuleitung eines Schmiermittels unter Druck verbunden ist.
  2. Dichtungskopf nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel (4" , 5 ") zur Verteilung eines Schmiermittels unter Druck in den die Dichtungsmittel (4, 5) bildenden Stützen vorgesehen sind und sich entlang von Mantellinien nahe jenen der horizontalen Rollen (2 und 3), nämlich parallel zu den Längsachsen der Rollen in den die Dichtungsmittel bildenden Stützen (4), und entlang eines konzentrischen Kreisabschnitts zur Achse der entsprechenden Rollen nahe dem Durchmesser der Achse erstrecken.
  3. Dichtungskopf nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass er mit Mitteln (6 und 7) zur Wiedergewinnung und/oder Ableitung der Schmierflüssigkeit, die auf den zylindrischen Flächen der Rollen (2 und 3) bzw. auf den Endflächen dieser Rollen (2 und 3) verteilt wird, ausgestattet ist.
  4. Dichtungskopf nach Anspruch 3, dadurch gekennzeichnet, dass die Mittel (6) zur Wiedergewinnung und/oder Ableitung der Schmierflüssigkeit, die den horizontalen Rollen (2 und 3) zugeordnet sind, in Form von Abstreifrinnen vorhanden sind, die über einen Rand an eine Mantellinie jeder Rolle (2 und 3) angelegt werden und mit einer Leitung (6') zur Verbindung mit einem Zentralbehälter oder einer Umlaufpumpe verbunden sind, die die Flüssigkeit wieder in den Schmierkreislauf einleitet.
  5. Dichtungskopf nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, dass das Mittel (6) zur Wiedergewinnung und/oder Ableitung der Schmierflüssigkeit entlang einer Mantellinie nahe dem Eingag des Dichtungskopfes und somit des Förderbandes angeordnet ist.
  6. Dichtungskopf nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, dass das Mittel (6) zur Wiedergewinnung und/oder Ableitung der Schmierflüssigkeit direkt auf der das Dichtungsmittel (4) bildenden Stütze parallel zu dem integrierten Schmiermittel unter Druck (4') montiert ist.
  7. Dichtungskopf nach Anspruch 3, dadurch gekennzeichnet, dass die Mittel (7) zur Wiedergewinnung und/oder Ableitung der Schmierflüssigkeit, die auf den Endflächen dieser Rollen (2 und 3) verteilt wird, in Form eines oder mehrerer Kanäle vorhanden ist, die sich mindestens am Ende der Dichtungsmittel (5) erstrecken und in den Behandlungsraum der Behandlungsmaschine eindringen, wobei diese Kanäle mit einem Auffangbehälter oder einer Umlaufpumpe verbunden sind.
  8. Dichtungskopf nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass er mit Mitteln zur Erfassung des Verschleißes (10, 11) der Dichtungsmittel (4 und 5), insbesondere ihrer mit den Längsdichtungsrollen (2 und 3) in Kontakt befindlichen Fläche, sowohl entlang ihrer Mantellinie als auch an ihren Enden versehen ist.
  9. Dichtungskopf nach Anspruch 8, dadurch gekennzeichnet, dass die Mittel zur Verschleißerfassung (10, 11) aus mindestens einem Bewegungssensor (10, 11) bestehen, der den Mitteln zum Anlegen der Dichtungsmittel an die Flächen der horizontalen Rollen (2 und 3) zugeordnet ist.
  10. Dichtungskopf nach Anspruch 9, dadurch gekennzeichnet, dass die Bewegungssensoren (10 und 11), die jeweils dem Dichtungsmittel (4 und 5) zugeordnet sind, jeweils in Form mindestens eines Anschlagkontakts vorhanden sind, der mit einer Nocke (12, 13) zusammenwirkt, die auf einer Kolbenstange oder einer Übertragungsstange des Betätigungsmittels (8, 9) für den Anpressdruck der Dichtungsmittel (4, 5) versehen ist, wobei diese Nocke (12, 13) mit dem Sensor (10, 11) nach einer Bewegung in Kontakt tritt, die einem optimalen Verschleiß der Dichtungsmittel (4 und 5) entspricht.
  11. Dichtungskopf nach Anspruch 10, dadurch gekennzeichnet, dass die Anschlagkontakte entsprechend einem optimalen Verschleiß mit einem Warnmittel mit Licht und/oder Ton und/oder Anzeige verbunden sind, das den Betreiber über die Notwendigkeit des Austausches der Dichtungsmittel informiert.
  12. Dichtungskopf nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, dass jedes Betätigungsmittel (8, 9) der Dichtungsmittel (4, 5) mit einem komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) versehen ist, das einen maximalen Verschiebeweg der Dichtungsmittel (4, 5) in Richtung der entsprechenden Flächen der horizontalen Rollen (2, 3) erfasst und ein automatisches Signal zum Anhalten der Maschine und einen Alarm über die Erfassung eines äußersten Verschleißniveaus liefert.
  13. Dichtungskopf nach Anspruch 12, dadurch gekennzeichnet, dass die komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) auch in Form eines Anschlagkontakts ausgeführt sind und jeweils mit Nocken (16, 17) zusammenwirken, die ebenfalls auf der Kolbenstange oder der Übertragungsstange der Betätigungsmittel (8, 9) vorgesehen sind.
  14. Dichtungskopf nach einem der Ansprüche 12 und 13, dadurch gekennzeichnet, dass die Anschlagkontakte, die die komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) bilden, mit Warnmitteln mit Licht und/oder Ton und/oder Anzeige sowie mit einem Kontakt zur Notabschaltung aller Stromversorgungen der Maschine verbunden sind.
  15. Dichtungskopf nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass die Verschleißerfassungsmittel (10, 11) und die komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) durch einen induktiven Detektor ersetzt sind.
  16. Dichtungskopf nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass die Verschleißerfassungsmittel (10, 11) und die komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) durch einen Massekontakt ersetzt sind, der auf einem Stützarm oder einem Zwischenbetätigungsmittel der Dichtungsmittel (4, 5) montiert ist und mit einem oder mehreren Anschlagkontakten zusammenwirkt.
  17. Dichtungskopf nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass die Verschleißerfassungsmittel (10, 11) und die komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) durch einen Sichtdetektor ersetzt sind.
  18. Dichtungskopf nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass die Verschleißerfassungsmittel (10, 11) und die komplementären Mittel zur Erfassung eines extremen Verschleißes (14, 15) durch eine Kombination aus einem Sichtdetektor und einem Massekontakt ersetzt sind.
EP06360037A 2005-09-13 2006-08-10 Dichtungsvorrichtung für Maschinen zur Wärmebehandlung von Garnen Not-in-force EP1762646B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509341A FR2890663B1 (fr) 2005-09-13 2005-09-13 Tete d'etancheite pour machines de traitement thermique de fil

Publications (3)

Publication Number Publication Date
EP1762646A2 EP1762646A2 (de) 2007-03-14
EP1762646A3 EP1762646A3 (de) 2008-08-27
EP1762646B1 true EP1762646B1 (de) 2011-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06360037A Not-in-force EP1762646B1 (de) 2005-09-13 2006-08-10 Dichtungsvorrichtung für Maschinen zur Wärmebehandlung von Garnen

Country Status (5)

Country Link
US (1) US7735343B2 (de)
EP (1) EP1762646B1 (de)
CN (1) CN1932121B (de)
AT (1) ATE532894T1 (de)
FR (1) FR2890663B1 (de)

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CN106321621A (zh) * 2016-08-29 2017-01-11 浙江长兴天盛化纤有限公司 一种纺织用纤维轧辊结构
US10829871B2 (en) * 2018-03-20 2020-11-10 Belmont Textile Machinery Company Continuous heat set machine and sealing head for a continuous heat set machine

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Also Published As

Publication number Publication date
US7735343B2 (en) 2010-06-15
CN1932121B (zh) 2011-10-05
FR2890663A1 (fr) 2007-03-16
EP1762646A3 (de) 2008-08-27
US20070056690A1 (en) 2007-03-15
ATE532894T1 (de) 2011-11-15
CN1932121A (zh) 2007-03-21
EP1762646A2 (de) 2007-03-14
FR2890663B1 (fr) 2010-03-05

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