EP1793027B3 - Vorrichtung zum Positionieren einer beweglichen Fördermatte in einer thermischen Behandlungsmaschine für Garne - Google Patents

Vorrichtung zum Positionieren einer beweglichen Fördermatte in einer thermischen Behandlungsmaschine für Garne Download PDF

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Publication number
EP1793027B3
EP1793027B3 EP06301188.6A EP06301188A EP1793027B3 EP 1793027 B3 EP1793027 B3 EP 1793027B3 EP 06301188 A EP06301188 A EP 06301188A EP 1793027 B3 EP1793027 B3 EP 1793027B3
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EP
European Patent Office
Prior art keywords
frame
movable door
conveyor belt
positioning
rollers
Prior art date
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Application number
EP06301188.6A
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English (en)
French (fr)
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EP1793027A1 (de
EP1793027B1 (de
Inventor
Philippe Massotte
Michel Mazoyer
Serge Munschi
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
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Superba SAS
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Publication of EP1793027B1 publication Critical patent/EP1793027B1/de
Publication of EP1793027B3 publication Critical patent/EP1793027B3/de
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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
    • D06B23/04—Carriers or supports for textile materials to be treated
    • 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

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 relates to a device for positioning the conveying conveyor belt in such machines.
  • the heat treatment machines essentially consist of a pressurized heat treatment chamber for textile threads deposited on a conveyor belt passing through said chamber, which is closed at its two ends by sealing heads, each comprising a frame or mobile door attached to the housing.
  • pressurized vessel a pair of superposed horizontal rollers which are pressed against the opposite faces of the conveyor belt and sealing means to form a seal between the rollers and the frame, see for example US 5,074,130 .
  • the horizontal rollers are actuated by clamping means allowing at least one of the rollers to move towards the other, in order to clamp them against the conveyor belt.
  • the sealing heads are mounted, each via its frame or movable door, pivotally relative to a vertical central axis and are connected to the treatment chamber via a bellows extending between the vertical pivot axis and the frame or movable door of said sealing heads.
  • the conveyor belt may undergo a drift between the inlet and outlet of the heat treatment machine, drift may cause, in case of exceeding a predetermined limit, a risk of snagging inside of the machine, which can cause at least stops of the machine to remedy the problem, or even damage.
  • the conveyor belt is pivotally driven, because of its nip between the longitudinal rollers, along a transverse generatrix, which induces a corresponding rectification of the latter, to correct its drift and bring it back to its normal service position.
  • the means for detecting and correcting the position of the conveyor belt of such machines are perfectly suitable for ensuring a good positioning of said conveyor belt.
  • the object of the present invention is to overcome these drawbacks by proposing a device for positioning the moving conveyor belt in wire heat treatment machines making it possible to continuously control and straighten the drift of said conveyor belt, while limiting the amplitude of the movements of the sealing heads.
  • the positioning device of the conveyor belt according to the invention intended to equip heat treatment machines son, essentially consisting of a pressurized chamber crossed by a conveyor belt and closed at each end by a head sealing member mounted on a frame or movable door connected to the pressurized enclosure via a bellows, each sealing head having a pair of superposed horizontal rollers which are pressed against the opposite faces of the conveyor belt, is characterized in that it comprises a positioning means and a position control means acting on a very short area in the immediate vicinity of each sealing head, and, furthermore, characterized in that the position control means is constituted by at least one position sensor disposed near at least one edge of the conveyor belt, close to the superposed horizontal rollers of the sealing head, this sensor being a proportional analog sensor connected to a calculating means delivering a correction signal a servo-drive controller of an actuator drive motor constituting the positioning means of the frame or movable door.
  • FIG. 1 of the accompanying drawings represents, by way of example, a wire heat treatment machine, consisting essentially of a pressurized enclosure 1 traversed by a conveyor belt 2 and closed at each end by a sealing head mounted on a frame or mobile door 3 connected to the pressurized enclosure 1 via a bellows 4, each sealing head having a pair of superposed horizontal rollers 5, 6 which are pressed against the opposite faces of the conveyor belt 2.
  • this son heat treatment machine is equipped with a positioning device 7 of this carpet.
  • FIG. 1 to 3 drawings attached only one end of a wire heat treatment machine is shown in sectional and plan view, so that only one roller of the pair of rollers 5 and 6 forming the sealing head is visible. Furthermore, it is clear that the not shown end of the son heat treatment machine is symmetrical to that shown in said appended drawings.
  • the positioning device 7 comprises a positioning means 8 and a position control means 9 acting on a very short area in the immediate vicinity of each sealing head.
  • the positioning means 8 consists, according to the preferred embodiment according to the figure 1 , in a pivot axis 10 of the frame or movable door 3 secured directly with said frame or movable door 3 and in an actuator 11 of pivoting of the frame or movable door 3 via a linkage 12 mounted between the edge of the frame or mobile door 3 and said actuator 11.
  • the latter is advantageously constituted in the form of a screw jack.
  • the position control means 9 is constituted by at least one position sensor disposed near at least one edge of the conveyor belt 2, near the superimposed horizontal rollers 5 and 6 of the sealing head, this sensor being a sensor proportional analogue connected to a calculation means 13 delivering a correction signal to a servo-drive 14 for controlling a drive motor 15 of the actuator 11 constituting the positioning means 8 of the frame or movable door 3.
  • the sensor forming the position control means 9 is an optical sensor extending on either side of a selvedge of the conveyor belt 2.
  • the sensor forming the control means in the form of a pneumatic sensor, with a current of foucauld or with probe. The operation of such sensors is known to those skilled in the art and will not be described in detail.
  • the position control means 9 may be completed by a security device consisting of detection cells 16 extending laterally on either side of the conveyor belt 2 upstream or downstream of the sensor forming the means of detection. position control 9, these detection cells 16 may be of the same type as the latter.
  • the calculation means 13 of the positioning means 8 and the position control means 9 equipping the sealing heads of the two ends of the son heat treatment machines are advantageously connected to each other and the positioning means 8 of the frame or movable door 3 are arranged in a reverse manner so as to achieve the same direction of movement for the two sealing heads.
  • the positioning means 8 of the frame or movable door 3 are arranged in a reverse manner so as to achieve the same direction of movement for the two sealing heads.
  • the belt 2 scrolls in the longitudinal direction of the treatment line passing through said machine and, when the belt deviates from its trajectory to the left or to the right, its deviation is measured close to the sealing head by the position control means 9, which transmits the data read by calculation means 13.
  • the calculation means 13 determines a deflection correction to realize and delivers a control signal corresponding to the drive servo-drive 14 of the actuating motor 15 of the screw jack 11.
  • the latter then drives the linkage 12 in a pivoting movement about an axis 12 'having the effect to cause a corresponding pivoting of the frame or movable door 3 about the axis 10 and thus a corresponding angular displacement of the sealing head. It follows that the rollers 5, 6 of the latter, which enclose the conveyor belt 2, cause a ripping of said conveyor belt 2 corresponding to the pivoting direction of the sealing head and the frame or movable door 3. The conveyor belt 2 is, therefore, brought back in a normal scrolling direction within the allowed tolerances.
  • the pivot actuator of the frame or movable door 3 can also act directly on said frame or movable door 3 and be constituted, for this purpose, by a toothed sector 17 secured at one end with said frame or movable door 3 and by a pinion 18 meshing with said toothed sector 17 and driven by a stepping motor 19 controlled by means of the servo-variator 14.
  • the transmission elements of the pivoting movement to the frame or movable door 3 are limited to a minimum, which reduces the risk of mechanical incidents, as well as maintenance work.
  • FIG. figure 3 of the accompanying drawings it is also possible, according to another embodiment of the invention, shown in FIG. figure 3 of the accompanying drawings, to constitute the pivoting actuator of the frame or movable door 3 in the form of a toothed sector 17 secured at one end to said frame or movable door 3 and a rack 20 meshing with said toothed sector 17 and driven by a screw jack 21, whose motor 22 is controlled via the servo-variator 14.
  • This embodiment allows obtaining results and advantages comparable to those obtained by means of the device according to the figure 2 .
  • the positioning means 8 can be made directly by the horizontal rollers 5, 6 of the sealing heads, at least one of these rollers being assignable at its application pressure ends on the conveyor belt 2. different, by individual control actuators 23 pressurizing the ends of these rollers.
  • the positioning device 7 in the form of an assembly comprising a single positioning means disposed inside the enclosure 1 of the heat treatment machine son and position control means 9 acting in the immediate vicinity of each sealing head.
  • the single positioning means can be made in the form of two rollers 5 ', 6' disposed inside the treatment chamber 1, substantially in the middle thereof, and clamped on both sides. against the conveyor belt 2, in the manner of the horizontal rollers 5 and 6 of the sealing heads, clamping the ends of these rollers 5 ', 6' towards the conveyor belt 2 is effected independently and in a controlled manner by means of of actuator cylinders 23 '.
  • the recovery of the conveyor belt 2 by ripping can also be performed by applying a higher drive pressure on an edge of the conveyor belt, so that it is automatically rectified in the opposite direction. Indeed, increasing the pressure of the rollers on one edge of the conveyor belt causes an increased drive effect of said edge or a relative sliding effect of the other edge, so that the conveyor belt 2 naturally tends to undergo a modification of its alignment.
  • An embodiment of a son heat treatment machine makes it possible to considerably modify the constitution of the heat treatment machine, because the frame or mobile door 3 can be replaced by a fixed device closure of the ends of the treatment chamber, of simpler constitution and no longer requiring junction bellows with said enclosure.
  • the invention it is possible to perfectly control the drift of a conveyor belt, that it is perfectly new and straightened or worn and having deformations such as an arrow or corrugations by a continuous correction of said drift .
  • This correction is advantageously performed by performing micro pivoting of the frame or movable door 3, regardless of the speed of travel of the carpet and possibly also when the latter is subjected to backward movements of relatively short length.
  • the invention therefore makes it possible to position perfectly, over a given portion of its length, a conveyor belt 2 of great length, in continuous movement in a plane. Indeed, the deflection correction of the conveyor belt 2 is performed without changing the direction of the carpet out of the plane by means of return rollers or the like, as is customary to do, for example for the guidance of moving strips.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Control Of Conveyors (AREA)

Claims (13)

  1. Positioniervorrichtung für ein Förderband, das in Wärmebehandlungsmaschinen von Fäden läuft, umfassend einen im Wesentlichen unter Druck stehenden Innenraum (1), der von einem Förderband (2) durchquert wird und an jedem Ende durch einen Abdichtkopf verschlossen ist, der auf ein Gestell oder eine bewegliche Tür (3) montiert ist, das mit dem unter Druck stehenden Innenraum (1) über einen Balg (4) verbunden ist, wobei jeder Abdichtkopf ein Paar übereinander angeordnete horizontale Walzen (5, 6) aufweist, die gegen die entgegen gesetzten Seiten des Förderbands (2) gedrückt werden, dadurch gekennzeichnet, dass sie ein Positioniermittel (8) und ein Positionskontrollmittel (9) aufweist, die auf eine sehr kurze Zone in unmittelbarer Nähe jedes Abdichtkopfes einwirken und weiterhin dadurch gekennzeichnet, dass das Positionskontrollmittel (9) mindestens einen Positionsfühler Umfasst, der nahe mindestens einem Rand des Förderbands (2) in der Nähe der übereinander gelagerten horizontalen Walzen (5 und 6) des Abdichtkopfs angeordnet ist, wobei dieser Fühler ein analoger Proportionalfühler ist, der mit einem Rechenmittel (13) verbunden ist, das ein Korrektursignal zu einem Servowandler (14) zum Steuern eines Antriebsmotors (15) des Stellantriebs (11) liefert, der das Positioniermittel (8) des Gestells oder der beweglichen Tür (3) bildet.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Positioniermittel (8) eine Achse (10) zum Schwenken des Gestells oder der beweglichen Tür (3) umfasst, die direkt mit dem Gestell oder der beweglichen Tür (3) verbunden ist, sowie einen Stellantrieb (11) zum Schwenken des Gestells oder der beweglichen Tür (3).
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Stellantrieb (11) auf das Gestell oder die bewegliche Tür (3) über ein Gestänge (12) einwirkt, das zwischen dem Rand des Gestells oder der beweglichen Tür (3) und dem Stellantrieb (11) angeordnet ist.
  4. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Stellantrieb (11) von einer Hubspindel gebildet wird.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Fühler, der das Positionskontrollmittel (9) bildet, ein optischer Fühler ist, der sich zu beiden Seiten eines Rands des Förderbands (2) erstreckt.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Fühler, der das Positionskontrollmittel (9) bildet, ein pneumatischer, mit Foucauldschem Strom oder mit Taster Fühler ist.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Positionskontrollmittel (9) auch eine Sicherheitseinrichtung umfasst, welche Detektionszellen (16) aufweist, die sich seitlich zu beiden Seiten des Förderbands (2) stromaufwärts oder stromabwärts des Fühlers erstrecken, der das Positionskontrollmittel (9) bildet, wobei diese Detektionszellen (16) des gleichen Typs wie dieses Letztere sind.
  8. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Rechenmittel (13) der Positioniermittel (8) und Positionskontrollmittel (9), die die Abdichtköpfe der zwei Enden der Wärmebehandlungsmaschinen für Fäden ausstatten, untereinander verbunden sind, und dass die Positioniermittel (8) des Gestells oder der beweglichen Tür (3) umgekehrt angeordnet sind, um eine Verschiebung mit gleicher Richtung für die zwei Abdichtköpfe herzustellen.
  9. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Stellantrieb zum Schwenken des Gestells oder der beweglichen Tür (3) direkt auf das Gestell oder die bewegliche Tür (3) einwirkt und Zahnsegment (17) aufweist, das fest an einem Ende mit dem Gestell oder der beweglichen Tür (3) verbunden ist, und ein Ritzel (18) aufweist, das in das Zahnsegment (17) eingreift und von einem Schrittmotor (19) angetrieben wird, der über einen Servowandler (14) gesteuert wird.
  10. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Stellantrieb zum Schwenken des Gestells oder der beweglichen Tür (3) direkt auf das Gestell oder die bewegliche Tür (3) einwirkt und ein Zahnsegment (17) aufweist, das an einem Ende fest mit dem Gestell oder der beweglichen Tür (3) verbunden ist, und eine Zahnstange (20) aufweist, die in das Zahnsegment (17) eingreift und von einer Hubspindel (21) angetrieben wird, deren Motor (22) über den Servowandler (14) gesteuert wird.
  11. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Positioniermittel (8) jedes Abdichtkopfes direkt die horizontalen Walzen (5, 6) der Abdichtköpfe umfasst, wobei mindestens eine dieser Walzen durch einzelne Steuerung von Stellantrieben (23) zum Beaufschlagen mit Druck der Enden dieser Walzen an ihren Enden unterschiedliche Druckanlegungen auf das Förderband (2) aufweist.
  12. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Positioniervorrichtung (7) von einer Einheit gebildet wird, die ein einziges Positionierungsmittel aufweist, das im Inneren des Innenraumes (1) der Wärmebehandlungsmaschine für Fäden angeordnet ist, und Positionskontrollmittel (9), die in unmittelbarer Nähe jedes Abdichtkopfes angeordnet sind.
  13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass das alleinige Positioniermittel (7) in Form von zwei Walzen (5', 6') ausgelegt ist, die im Inneren des Behandlungsinnenraumes (1) im Wesentlichen in dessen Mitte angeordnet und zu beiden Seiten gegen das Förderband (2) wie die horizontalen Walzen (5 und 6) der Abdichtköpfe gedrückt sind, wobei das Drücken der Enden dieser Walzen (5', 6') in Richtung zum Förderband (2) unabhängig und gesteuert mittels Stellantrieben (23') erfolgt.
EP06301188.6A 2005-12-02 2006-11-29 Vorrichtung zum Positionieren einer beweglichen Fördermatte in einer thermischen Behandlungsmaschine für Garne Active EP1793027B3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0553695A FR2894258B1 (fr) 2005-12-02 2005-12-02 Dispositif de positionnement du tapis transporteur en defilement dans des machines de traitement thermique de fils

Publications (3)

Publication Number Publication Date
EP1793027A1 EP1793027A1 (de) 2007-06-06
EP1793027B1 EP1793027B1 (de) 2008-07-23
EP1793027B3 true EP1793027B3 (de) 2014-07-16

Family

ID=36809198

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Application Number Title Priority Date Filing Date
EP06301188.6A Active EP1793027B3 (de) 2005-12-02 2006-11-29 Vorrichtung zum Positionieren einer beweglichen Fördermatte in einer thermischen Behandlungsmaschine für Garne

Country Status (5)

Country Link
US (1) US8113255B2 (de)
EP (1) EP1793027B3 (de)
CN (1) CN1974911B (de)
DE (1) DE602006001924D1 (de)
FR (1) FR2894258B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2926823B1 (fr) 2008-01-24 2010-06-11 Superba Sa Dispositif de positionnement du tapis transporteur en defilement dans des machines de traitement thermique de fils
CN102126629A (zh) * 2010-12-28 2011-07-20 东莞大同数控机械有限公司 斜剪自动前送料装置
FR2974820B1 (fr) * 2011-05-04 2014-10-24 Superba Sa Rouleau pour tete d'etancheite et procede de fabrication
CZ2018395A3 (cs) * 2018-08-07 2020-02-19 Rieter Cz S.R.O. Způsob řízení obslužného zařízení prstencového spřádacího stroje a prstencový spřádací stroj k jeho provádění

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163210A (ja) * 1983-03-07 1984-09-14 Ricoh Co Ltd 無端ベルトの幅位置制御装置
FR2629106B1 (fr) * 1988-03-25 1991-01-25 Superba Sa Tete d'etancheite d'une enceinte de traitement continu a la vapeur de fils textiles
FR2652829B1 (fr) * 1989-10-11 1992-02-07 Superba Sa Tete d'etancheite pour une entree ou une sortie d'une enceinte de traitement de fils textiles.
GB2410233A (en) * 2004-01-20 2005-07-27 Ace Conveyor Equip Correction of lateral conveyor belt movement
US20070044428A1 (en) * 2005-09-01 2007-03-01 Michel Mazoyer Sealing head for machines for heat treating threads

Also Published As

Publication number Publication date
US8113255B2 (en) 2012-02-14
EP1793027A1 (de) 2007-06-06
FR2894258B1 (fr) 2008-02-08
CN1974911B (zh) 2011-07-20
EP1793027B1 (de) 2008-07-23
DE602006001924D1 (de) 2008-09-04
FR2894258A1 (fr) 2007-06-08
CN1974911A (zh) 2007-06-06
US20070128567A1 (en) 2007-06-07

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