EP2083105A1 - Maschine zur Wärmebehandlung von Garnen, die mit einer Positioniervorrichtung des durchlaufenden Förderbands ausgestattet ist - Google Patents

Maschine zur Wärmebehandlung von Garnen, die mit einer Positioniervorrichtung des durchlaufenden Förderbands ausgestattet ist Download PDF

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Publication number
EP2083105A1
EP2083105A1 EP09305058A EP09305058A EP2083105A1 EP 2083105 A1 EP2083105 A1 EP 2083105A1 EP 09305058 A EP09305058 A EP 09305058A EP 09305058 A EP09305058 A EP 09305058A EP 2083105 A1 EP2083105 A1 EP 2083105A1
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EP
European Patent Office
Prior art keywords
conveyor belt
frame
position control
control means
actuator
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Granted
Application number
EP09305058A
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English (en)
French (fr)
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EP2083105B1 (de
Inventor
Philippe Massotte
Michel Mazoyer
Serge Munschi
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Superba SAS
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Superba SAS
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Publication of EP2083105A1 publication Critical patent/EP2083105A1/de
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Publication of EP2083105B1 publication Critical patent/EP2083105B1/de
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    • 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
    • D06B17/00—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours

Definitions

  • the present relates to the field of the textile industry, in particular the treatment of yarns by means of heat treatment machines commonly called heat-setting machines, and relates to such a machine comprising a device for positioning the conveyor conveyor belt provided with means for maintaining the latter spaced apart in height relative to the position control means.
  • 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 opposite faces of the conveyor belt and sealing means to form a seal between the rollers and the frame.
  • 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, due to its nip between the longitudinal rollers, along a transverse generatrix, which induces a corresponding rectification thereof, 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.
  • a positioning device of the conveyor belt for wire heat treatment machines consisting of a pressurized chamber traversed by a conveyor belt and closed at each end by a sealing head 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.
  • This device comprises a means of positioning and position control means acting on a very short area in the immediate vicinity of each sealing head.
  • the positioning means consists of a pivot axis of the frame or movable door directly attached to said frame or movable door and to a pivot actuator of the frame or movable door via a linkage connected to the actuator of the screw jack type.
  • the position control means is constituted by a proportional analog 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 connected to a calculating means delivering a correction signal to a servo drive controller of the actuator of the positioning means of the frame or movable door.
  • the sensor forming the position control means is an optical sensor, a pneumatic sensor, a Foucauld current sensor or a probe sensor.
  • the device according to the latter document makes it possible to ensure good control of the drift of a conveyor belt, by a continuous correction, regardless of the running speed of the belt, and therefore a correct positioning of said belt.
  • its implementation still requires relatively complex means.
  • the object of the present invention is to propose a heat treatment machine comprising a device for positioning the conveying conveyor belt according to FR-A-2,894,258 , allowing continuous control and straightening of the drift of said conveyor belt, while limiting the amplitude of the movements of the sealing heads and whose implementation is simpler and therefore less expensive.
  • the son heat treatment machine consisting essentially of a pressurized chamber traversed by a conveyor belt and closed at each end by a sealing head mounted on a frame or movable door connected to the chamber pressurized by the intermediate of a bellows, each sealing head having a pair of superposed horizontal rollers which are pressed against the opposite faces of the conveyor belt, and by a device for positioning the conveyor belt running in the pressurized enclosure, comprising a means of positioning and position control means acting on a very short area in the immediate vicinity of each sealing head, said positioning means consisting of a pivot axis of the frame or mobile door directly attached to said frame or movable door and a pivoting actuator of the frame or movable door acting on said frame or movable door via a linkage mounted between the edge of the frame or movable door and said actuator, which is in the form of at least one jack connected directly to the pivoting drive linkage of the frame or movable door, characterized in that the positioning device of the conveyor belt running in the pressurized
  • the appended drawings represent a heat treatment machine for wires 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 movable door. 3 connected to the pressurized chamber 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 wire heat treatment machine is equipped with a positioning device 7 of this carpet.
  • 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.
  • This positioning means 8 consists, according to the 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 for pivoting the frame or movable door 3 via a linkage 12 mounted between the edge of the frame or movable door 3 and said actuator 11, which is in the form of at least one jack connected directly to the linkage 12 for pivoting drive of the frame or movable door 3.
  • the device for positioning the conveyor belt 2 running in the pressurized enclosure 1 is provided, on the side on which the sensor extends, namely below or above the conveyor belt 2, a means for holding the conveyor belt 2 spaced apart in height relative to the position control means 9.
  • a device is more particularly adapted to an implementation with sensors according to the present invention, which will be described later.
  • the means for holding the conveyor belt 2 in spaced apart position relative to the position control means 9 may be in the form of a transverse support roll 14 extending in close proximity to the sensor forming the position control means 9 and slightly deflecting upwards or downwards, said conveyor belt 2 with respect to the exit or entry of the superposed horizontal rollers 5, 6 constituting each head of the sealing ( figure 2 ).
  • Such an arrangement of the transverse support roller 14 between the outlet or inlet of the sealing heads and the sensor forming the position control means 9 ensures sufficient tension on the conveyor belt 2, so that a vertical displacement of the edge or edges of the conveyor belt 2 passing above the sensor forming the position control means 9 is kept constantly at the same vertical distance from said sensor 9. It follows that the load of the conveyor belt 2 may not affect the width of this mat 2 by bending, so that its width remains uniform and that the sensor forming the position control means 9 detects only a transverse displacement of the mat 2, so that is ensured a measurement without disturbance by the sensor forming the position control means 9.
  • the means for holding the conveyor belt 2 at a distance from the height of the position control means 9 is in the form of a pair of rollers of guide (not shown), provided in close proximity to the sensor forming the position control means 9, on each edge of the conveyor belt 2 and now the edge or edges at a constant spacing height of said sensor.
  • the means for holding the conveyor belt 2 at a distance from the height of the position control means 9 may also be in the form of a transverse pad of support deflecting said conveyor belt 2 upwards.
  • the position control means 9 in the form of at least one proportional analog position sensor, is chosen from the group formed by the inductive sensors and the pressure sensors.
  • the actuator 11 is in the form of a pair of flexible or diaphragm cylinders 11 'each acting on one side of the free end of the linkage 12 for pivoting the frame or movable door 3.
  • Such flexible or diaphragm cylinders 11 ' are extremely reactive and allow controlled displacements of very small amplitude.
  • the actuator 11 may be in the form of a single-acting jack acting on one side of the free end of the linkage 12 for pivoting the drive. frame or movable door 3 and recalled in position by means of a return spring.
  • the cylinder chamber is fed continuously under a variable pressure depending on the desired movement of the linkage.
  • an increase in pressure will result in moving the linkage against the action of the return spring and a decrease in this pressure will have consequently a displacement in the opposite direction, proportional to this decrease of pressure.
  • the movement of the linkage, under the action of the pressure exerted on the piston of the cylinder or the pressure exerted in the opposite direction by the spring can be controlled by an angular position sensor or the like.
  • the actuator 11 in the form of a double acting jack acting on the free end of the linkage 12 and whose chambers are alternatively fed with pressure.
  • it will suffice to feed one or the other chamber of the double-acting cylinder to carry out the movement of the linkage 12 and thus a pivoting of the frame or the mobile door 3 in one direction or in the other. 'other.
  • the two opposite chambers of the double-acting cylinder are each connected to the tank with the interposition of a throttling means allowing perfect control of the movement of the piston rod, in particular smoothly.
  • each piston rod is connected to a fixed support provided on the corresponding side of the frame of the processing machine.
  • the pressure chamber of each cylinder is also advantageously connected to the tank via a throttling means.
  • the position control means 9 in the form of at least one proportional analog position sensor, is an inductive sensor ( figures 1 and 2 ) positioned as close to the frame or movable door 3 above or below the conveyor belt 2, straddling the edge.
  • an inductive sensor figures 1 and 2
  • any deviation of the carpet from its normal path under the inductive sensor forming the position control means 9 will have the consequence of disturbing or modifying the magnetic field at said sensor 9, so that a variation signal will be emitted corresponding.
  • the inductive sensor forming the position control means 9 is connected to an analog proportional distributor 13 for controlling the actuator 11.
  • an analog proportional distributor 13 for controlling the actuator 11.
  • Such a dispenser makes it possible, for example, to feed the two cylinders flexible or diaphragm 11 'each acting on one side of the free end of the linkage 12 for pivoting the frame or mobile door 3 by its outputs 12 'and 12 ".
  • This such a distributor has a very short response time, namely a few milliseconds, and has a very high flow rate, it is able to balance the pressure in the cylinders 11 'and 11 "almost instantly.
  • a proportional distributor is also suitable for controlling the other types of cylinders mentioned above.
  • the inductive sensor forming the position control means 9 and the actuator 11 may be unique for the entire machine, the drive linkage 12 in pivoting of the frame or movable door 3 connected to the actuator 11 then being connected to the linkage 12 of the frame or movable door 3 opposite, or directly connected to the frame or to the moving door 3 opposite, by means of an inverted control.
  • an inverted control may consist, for example, of a rod connected at one end to one side of the frame or movable door 3 at one end of the machine and at its other end to the opposite side of the frame or movable door 3 of the machine. opposite end of the machine.
  • FIG 3 the accompanying drawings show an alternative embodiment of the invention, wherein the position control means 9 is constituted by pressure sensors 91 cooperating with the bearings of a concave transverse roller 15 for supporting the conveyor belt 2, said sensors pressure 91 actuating the pivot linkage 12 of the frame or movable door 3 via an actuator 11 controlled by an analog proportional distributor 13.
  • the position control means 9 is constituted by pressure sensors 91 cooperating with the bearings of a concave transverse roller 15 for supporting the conveyor belt 2, said sensors pressure 91 actuating the pivot linkage 12 of the frame or movable door 3 via an actuator 11 controlled by an analog proportional distributor 13.
  • the elements for pivoting the frame or mobile door 3, as well as the analog proportional distributor 13, are not represented on the figure 3 but may be identical to those shown in figures 1 and 2 .
  • a transverse displacement of the conveyor belt 2 will have the effect of further loading one end of the concave transverse support roller 15, so that the pressure sensor 91 assigned to the corresponding bearing of said roller 15 will detect a pressure greater than that of the sensor 91 assigned to the opposite bearing and the analog proportional distributor will deliver a control signal proportional to the observed pressure difference, so that the sealing head will be rotated by a value corresponding to the necessary rectification of the trajectory of the conveyor belt 2.
  • the operation of the device according to the present invention is comparable to that described with regard to the device according to the document FR-A-2,894,258 , that is to say to make pivoting of very small amplitude of the frame or movable door 3 and therefore of the sealing head constituted by the rollers 5 and 6, so as to induce a displacement of the conveyor belt 2 in the opposite direction of the observed drift.
  • 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 .
  • 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.
  • inductive sensors or pressure sensor makes it possible to pre-position the corresponding sealing head with regulation of the position of the conveyor belt 2 from the beginning of operation of the machine.
  • the stiffness of the system can be modified, that is to say that the pivoting movements of the frame or movable door 3 can be more or less abrupt .
EP09305058A 2008-01-24 2009-01-22 Maschine zur Wärmebehandlung von Garnen, die mit einer Positioniervorrichtung des durchlaufenden Förderbands ausgestattet ist Active EP2083105B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0850452A FR2926823B1 (fr) 2008-01-24 2008-01-24 Dispositif de positionnement du tapis transporteur en defilement dans des machines de traitement thermique de fils

Publications (2)

Publication Number Publication Date
EP2083105A1 true EP2083105A1 (de) 2009-07-29
EP2083105B1 EP2083105B1 (de) 2012-03-28

Family

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Application Number Title Priority Date Filing Date
EP09305058A Active EP2083105B1 (de) 2008-01-24 2009-01-22 Maschine zur Wärmebehandlung von Garnen, die mit einer Positioniervorrichtung des durchlaufenden Förderbands ausgestattet ist

Country Status (6)

Country Link
US (1) US8286788B2 (de)
EP (1) EP2083105B1 (de)
CN (1) CN101492849B (de)
AT (1) ATE551459T1 (de)
DE (1) DE09305058T1 (de)
FR (1) FR2926823B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8973742B2 (en) 2010-04-26 2015-03-10 Joy Mm Delaware, Inc. Chain tension sensor
GB2469816B (en) * 2009-04-28 2012-10-31 Joy Mm Delaware Inc Conveyor sensor arrangement
US8636140B2 (en) 2010-04-26 2014-01-28 Joy Mm Delaware, Inc. Chain tension sensor
DE102014011696A1 (de) 2014-08-07 2016-02-11 Saurer Germany Gmbh & Co. Kg Vorrichtung zur thermischen Behandlung von Garnen
DE102014218641A1 (de) * 2014-09-17 2016-03-17 Homag Holzbearbeitungssysteme Gmbh Fördereinrichtung
US9668406B2 (en) * 2015-05-20 2017-06-06 Deere & Company Sectional yield measurement on row independent harvesting head
US20170087787A1 (en) * 2015-09-25 2017-03-30 Hyundai Motor Company Double belt press for preventing meandering of belt

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071598A (en) * 1980-03-13 1981-09-23 Patent Machine Bouw Nv Device for controlling lateral deviation of a travelling belt
US5117969A (en) * 1991-07-11 1992-06-02 Thermoguard Equipment, Inc. Wide belt alignment system
GB2287687A (en) * 1994-03-24 1995-09-27 Royal Doulton Conveyor belt tracking system
EP1270457A1 (de) * 1997-08-12 2003-01-02 TRANSNORM SYSTEM GmbH Gurtlenkstation
EP1627833A1 (de) * 2004-08-18 2006-02-22 Fachhochschule Lausitz Anordnung zum zentrierten Führen von Fördergurten
EP1793027A1 (de) * 2005-12-02 2007-06-06 SUPERBA (Société par Actions Simplifiée) Vorrichtung zum Positionieren einer beweglichen Fördermatte in einer thermischen Behandlungsmaschine für Garne

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DE3009952A1 (de) * 1980-03-14 1981-09-24 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikanlage mit einer bildverstaerker-fernsehkette
US4790908A (en) * 1988-02-19 1988-12-13 Beloit Corporation Extended nip press belt guide and method
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.
AT404480B (de) * 1995-03-23 1998-11-25 Bartelmuss Klaus Ing Vorrichtung zur verstellung eines der lagerböcke einer walze
EP1049639B1 (de) * 1997-10-03 2009-06-17 Savage, Paul Alan Bandzentriervorrichtung
AT406693B (de) * 1998-06-16 2000-07-25 Bartelmuss Klaus Ing Vorrichtung zur lageverstellung eines der lagerböcke einer walze in einer walzengruppe
US7543463B2 (en) * 2003-03-20 2009-06-09 Bmb Enterprises, Inc. Heat setting machine with sealing head
US7111724B2 (en) * 2004-08-03 2006-09-26 Ultra Design And Engineering, Llc Fluid operated self aligning roller
FR2890663B1 (fr) * 2005-09-13 2010-03-05 Superba Sa Tete d'etancheite pour machines de traitement thermique de fil
US7475765B2 (en) * 2006-06-26 2009-01-13 American Sterilizer Company Self-adjusting conveyor system
CA2578427C (en) * 2007-02-08 2014-08-05 Maurice Demong Belt type conveyor apparatus with adjustable tail pulley

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071598A (en) * 1980-03-13 1981-09-23 Patent Machine Bouw Nv Device for controlling lateral deviation of a travelling belt
US5117969A (en) * 1991-07-11 1992-06-02 Thermoguard Equipment, Inc. Wide belt alignment system
GB2287687A (en) * 1994-03-24 1995-09-27 Royal Doulton Conveyor belt tracking system
EP1270457A1 (de) * 1997-08-12 2003-01-02 TRANSNORM SYSTEM GmbH Gurtlenkstation
EP1627833A1 (de) * 2004-08-18 2006-02-22 Fachhochschule Lausitz Anordnung zum zentrierten Führen von Fördergurten
EP1793027A1 (de) * 2005-12-02 2007-06-06 SUPERBA (Société par Actions Simplifiée) Vorrichtung zum Positionieren einer beweglichen Fördermatte in einer thermischen Behandlungsmaschine für Garne
FR2894258A1 (fr) 2005-12-02 2007-06-08 Superba Sas Dispositif de positionnement du tapis transporteur en defilement dans des machines de traitement thermique de fils

Also Published As

Publication number Publication date
ATE551459T1 (de) 2012-04-15
FR2926823B1 (fr) 2010-06-11
US8286788B2 (en) 2012-10-16
DE09305058T1 (de) 2010-03-11
FR2926823A1 (fr) 2009-07-31
US20090188772A1 (en) 2009-07-30
CN101492849B (zh) 2012-11-14
EP2083105B1 (de) 2012-03-28
CN101492849A (zh) 2009-07-29

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