EP2524081A2 - Dispositif de correction de déformation d'une bande de matériau transportée et procédé correspondant - Google Patents

Dispositif de correction de déformation d'une bande de matériau transportée et procédé correspondant

Info

Publication number
EP2524081A2
EP2524081A2 EP11708679A EP11708679A EP2524081A2 EP 2524081 A2 EP2524081 A2 EP 2524081A2 EP 11708679 A EP11708679 A EP 11708679A EP 11708679 A EP11708679 A EP 11708679A EP 2524081 A2 EP2524081 A2 EP 2524081A2
Authority
EP
European Patent Office
Prior art keywords
web
rotation
correction
bow
rollers
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.)
Granted
Application number
EP11708679A
Other languages
German (de)
English (en)
Other versions
EP2524081B1 (fr
Inventor
Bernhard Fischer
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.)
Mahlo GmbH and Co KG
Original Assignee
Mahlo GmbH and Co KG
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
Application filed by Mahlo GmbH and Co KG filed Critical Mahlo GmbH and Co KG
Publication of EP2524081A2 publication Critical patent/EP2524081A2/fr
Application granted granted Critical
Publication of EP2524081B1 publication Critical patent/EP2524081B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/06—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by rotary disc, roller, or like apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
    • B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
    • B65H23/0251—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers with a straight axis
    • 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
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/06—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by rotary disc, roller, or like apparatus
    • D06C3/067—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by rotary disc, roller, or like apparatus by curved rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/174—Textile, fibre

Definitions

  • the invention relates to a device for delay correction of a subsidized
  • Web change the structure of goods made from these goods
  • a textile material web consists in particular of threads crossed at right angles, which are produced during the weaving process in the loom or in the weaving machine.
  • warp longitudinal threads
  • weft transverse threads
  • skew direction of goods running distortion
  • bow distortion arcuate to goods running direction distortion
  • Web of increased weight, in particular of webs for the production of carpets known which comprise at least two bow rollers whose free ends are connected to rotatable support members which are mechanically coupled about a common axis of rotation drivable stored in a machine frame.
  • the bow rollers are fixed to each other at a predetermined distance mounted on the two holding plates and thus provide a rigid connection between them.
  • the centers of the free ends of the sheet rolls and the fulcrum of the holding plates are arranged in a plane receiving the common axis of rotation of the holding plates.
  • the bowing of the bow rolls respectively faces outwardly, along an imaginary line perpendicular to the line connecting the centers of the free ends of the bow rolls and the pivot point of the retaining plates.
  • the deflections of the sheet rolls in opposite directions from the holding plates to the outside, wherein the mid-point profile of the respective sheet roll receiving center plane of the sheet rolls parallel to each other.
  • the disadvantage is a slight partial distortion in the web produced when pivoting the described roller assembly by the leveler itself until the desired distortion correction can be performed.
  • Roller arrangement about the holding elements required by about 180 °, which is particularly disadvantageous results in a certain death time in the processing of the web.
  • the present invention seeks to provide a device and an associated method for delay correction of conveyed webs, which allows an accurate and effective correction of distortion in a conveyed web, in particular the correction of low distortion in webs with increased weight such as Webs for the production of Carpets.
  • the object is achieved on the basis of a device according to the preamble of claim 1 by its characterizing features.
  • the features of the method according to the invention are listed in the patent claim 1 1.
  • the essential aspect of the device according to the invention is the fact that the two bow rollers are each mounted pivotably on the holding plates. Particularly advantageously, this eliminates any dead time when changing between the first and second correction position for the correction of arcuate displacements "center before” or "edge forward".
  • the straightening mechanism also makes it possible to reduce the wrapping of the goods to the sheet rolls to a minimum necessary level, whereby the burden on the sheet rolls and connected to these drive components by theressyak is kept as low as possible.
  • the bow rollers are each pivotally mounted about a parallel to the common axis of rotation extending roll axis and this formed synchronously to each other pivotally. Due to the proportional control of the
  • Sheet roll rotation to delay an optimized straightening result is achieved and partial distortion avoided by the full-scale investment of the web at the bow rollers.
  • Show it 1 shows by way of example a schematic cross section through an inventively designed device for distortion correction in neutral position
  • FIG. 2 shows by way of example a schematic cross section through the inventively constructed device for distortion correction according to FIG. 1 in a first correction position
  • FIG. 3 shows by way of example a schematic cross section through the device according to the invention for distortion correction according to FIG. 1 in a second correction position.
  • the apparatus 1 for delay correction hereinafter also referred to as straightening machine, comprises, for example, a schematically indicated in the figures machine frame 2, which is preferably frame-like and in which at least one of a plurality of bow rollers 3, 4 existing straightening unit is added.
  • the machine frame 2 forms a rigid, rectangular
  • the apparatus for distortion correction or straightening machine 1 comprises at least one first and second sheet roll 3, 4 whose free ends 3 ', 3 "or 4', 4" are each connected to a first or second holding plate 5, 6 ,
  • the first and second holding plate 5, 6 are arranged opposite each other in the machine frame 2 and each rotatably supported about a common axis of rotation D on the machine frame 2.
  • the drive of the two holding plates 5, 6 is preferably mechanically coupled and takes place via a common, not shown in the figures drive unit.
  • the first and second holding plate 5, 6 preferably have a circular
  • the rotational movement of the preferably circular-shaped holding plates 5, 5 'realized around its center M, M' for example via a mechanism and the mechanics driving electric motor.
  • the web W is through the first
  • Deflection roller 7 deflected and supplied from the arrangement of the two bow rollers 3, 4 existing straightening unit.
  • the first and second sheet rolls 3, 4 are spaced from each other, in such a way that between the two sheet rolls 3, 4, a gap Z results, through which the web W in the predetermined fabric direction WL is feasible, i. the web W is conveyed through between the two bow rollers 3.4.
  • a second guide roller 8 is provided, via which the web W is conveyed after leaving the straightening arrangement of the leveler 1.
  • the first and second Deflection roller 7, 8 also designed to be driven mechanically to ensure sufficient product feed, in particular when processing webs W with increased weight in the direction of web travel WL.
  • the first and second bow rollers 3, 4 are each pivotally mounted on the opposite holding plates 5, 6, in each case about a parallel to the common axis of rotation D of the holding elements 5, 6 extending roll axis WD, WD '.
  • the roll axes WD, WD ' pass through the centers of the two free ends 3', 3 "and 4 ', 4" of the first and second sheet rolls 3, 4.
  • the wrap angle of the sheet rolls 3, 4 is changed by the web W.
  • Arc roller 3, 4 are each rotated in such a way, for example, that an imaginary connecting line through the vertices S, S 'through the common axis of rotation D of the holding elements 5, 6 extends.
  • the first and second bow rollers 3, 4 are also designed to be driven in a preferred embodiment by a mechanism about their arcuate central longitudinal axes.
  • the first and second bow rollers 3, 4 are also mechanically coupled to each other, that they are synchronously pivotable to each other.
  • the first and second bow rollers 3, 4 preferably have the same deflection DB and are both in the direction of rotation of the holding plate 5, 6 and in the opposite direction of rotation pivotable.
  • the pivoting of the first and second sheet rolls 3, 4 takes place about the roll axis WD, WD ', which parallel to the common axis of rotation D of
  • Holding plates 5, 6 extends, wherein in each case the roller axis WD, WD 'and the associated arcuate longitudinal axis of a bow roller 3, 4 each define a roller plane E, E'.
  • the bow rollers 3, 4 are for
  • FIG. 1 shows a neutral position NS of the straightening machine 1.
  • FIG. 2 shows the straightening arrangement in a first correction position KS1 for the correction of a distortion "middle in front” and FIG. 3 in a second correction position KS2 for the correction of a distortion "edge in front”.
  • FIGS. 1 to 3 which indicates the present distortion of the material web W with respect to the direction of travel WL.
  • the graphic symbol consists of a parallel arrangement of lines, i. no distortion, in Fig. 2 from an arcuate arrangement of lines, wherein the goods center in the direction of travel WL the edges leading ("center before") and in Fig. 3 also from an arcuate arrangement of the lines, the edges of the goods center with respect to advance the direction of yarn movement WL ("edge forward").
  • the roll planes E, E ' preferably run parallel to the fabric direction WL and thus to the goods plane, ie the first and second sheet rolls 3, 4 easily touch the web W, over the entire fabric width.
  • the web W is, for example, from the bottom of the first sheet roll 3 and from the top of the second bow roller 4th touched, whereby a line-like contact between the first and second sheet roll 3, 4 and the conveyed web W is formed. Since there is no looping of the bow rollers 3, 4 through the web W, there is no
  • both the holding elements 5, 6 and the first and second bow rollers 3, 4 approximately simultaneously around their respective
  • Umschlingwinkel uw, uw 'of the web W with respect to the two bow rollers 3, 4 at the free ends 3', 3 "and 4 ', 4" of the bow rollers 3, 4 different from the vertex S, S' of the bow rollers 3, 4 adjustable is.
  • the maximum angle of rotation of the holding elements 5, 6 is for example 90 °.
  • the wrap-around angle uw, uw ' is 180 °, ie. the web W runs in a straight line between the two bow rollers 3, 4 therethrough without thereby a deflection of the web W takes place.
  • the holding elements 5, 6 and the bow rollers 3, 4 pivoted or rotated in the same direction, whereby the wrap angle uw 'at the apex S, S' compared to the wrap angle uw at the free ends 3 ', 3 "and 4 ', 4" of the sheet rolls 3, 4 is reduced, ie the contact surface between the web W and the respective bow roller 3.4 at the apex S, S 'is greater than at the free ends 3', 3 "and 4 ', 4".
  • a bow-shaped distortion "center before” can be addressed accordingly.
  • the second correction position KS2 is achieved in that the holding elements 5, 6 and the bow rollers 3, 4 are pivoted or rotated in different directions of rotation.
  • the wrap angle uw at the free ends 3 ', 3 "and 4', 4" of the bow rollers 3, 4 in comparison to the wrap angle uw 'in the vertex S, S' reduced, ie the contact surface between the web W and the respective bow roller 3.4 in the apex S, S 'is smaller than at the free ends 3', 3 "and 4 ', 4".
  • a bow-shaped delay "edge before" can be addressed accordingly
  • Sheet rolls 3, 4 in opposite direction of rotation according to Figure 2 the conveying path in the region of the middle of the web W is reduced in comparison to the conveying path in the region of the edges of the web W.
  • the holding elements 5, 6 are always rotated starting from the neutral position NS in the same direction of rotation, which is preferably oriented in the web direction WR.
  • the bow rollers 3, 4 remain independent of the correction position KS1, KS2 always in contact with the web W, so that no partial distortion in the web is generated by the straightening arrangement.
  • FIGS. 2 and 3 show, for example, the first and second correction positions KS1, KS2 with maximum directivity. It is understood that between de
  • Neutral position NS and the directional positions shown in Fig. 2 and 3, a plurality of different straightening positions are adjustable to adjust the directivity individually to the current needs.
  • the rolling planes E, E ' in each case form the bisectors of the wrap-around angles uw, uw'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un dispositif et un procédé correspondant de correction de déformation d'une bande de matériau transportée notamment textile (W). Le dispositif comporte, dans un bâti (2), au moins deux rouleaux courbés (3, 4) dont les extrémités libres (3', 3", 4', 4") sont reliées les unes aux autres au moyen d'une plaque de maintien respective (5, 6), les deux plaques de maintien (5, 6) étant disposées face à face et rotatives autour d'un axe de rotation commun (D) sur le bâti (2). De façon particulièrement avantageuse, les deux rouleaux courbés (3, 4) sont logés pivotants sur les deux plaques de maintien (5, 6).
EP11708679.3A 2010-01-15 2011-01-12 Dispositif de correction de déformation d'une bande de matériau transportée et procédé correspondant Active EP2524081B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010004842 2010-01-15
DE102010024618A DE102010024618A1 (de) 2010-01-15 2010-06-22 Vorrichtung zur Verzugskorrektur einer geförderten Warenbahn sowie zugehöriges Verfahren
PCT/DE2011/000017 WO2011085716A2 (fr) 2010-01-15 2011-01-12 Dispositif de correction de déformation d'une bande de matériau transportée et procédé correspondant

Publications (2)

Publication Number Publication Date
EP2524081A2 true EP2524081A2 (fr) 2012-11-21
EP2524081B1 EP2524081B1 (fr) 2014-05-07

Family

ID=43944654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11708679.3A Active EP2524081B1 (fr) 2010-01-15 2011-01-12 Dispositif de correction de déformation d'une bande de matériau transportée et procédé correspondant

Country Status (3)

Country Link
EP (1) EP2524081B1 (fr)
DE (1) DE102010024618A1 (fr)
WO (1) WO2011085716A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011113665B4 (de) * 2011-09-20 2016-01-07 Mahlo Gmbh & Co. Kg Nadelrichtanordnung zur Verzugskorrektur einer geförderten Warenbahn sowie ein zugehöriges Verfahren
CN111731902B (zh) * 2020-07-03 2022-03-29 佛山市悍虎汽车科技有限公司 一种珍珠棉卷材制造收卷处理机械及处理方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234179B (de) * 1963-04-01 1967-02-16 Vlisco Textieldrukkerijen N V Vorrichtung zum Ausrichten von Schussfaeden einer laufenden Gewebebahn
US3606120A (en) * 1969-06-23 1971-09-20 Turbo Machine Co Continuous band width controller and band director
CS275078B2 (en) * 1989-09-07 1992-01-15 Elitex Zavody Textilniho Device for fabric belts' weft alignement
DE4314672A1 (de) * 1993-05-04 1994-11-10 Wet Tex Maschinenbau Gmbh Vorrichtung zum Breithalten und Zentrieren einer Warenbahn
DE20213311U1 (de) * 2002-08-30 2003-10-09 Pleva Gmbh Richtmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011085716A2 *

Also Published As

Publication number Publication date
WO2011085716A2 (fr) 2011-07-21
EP2524081B1 (fr) 2014-05-07
DE102010024618A1 (de) 2011-07-21
WO2011085716A3 (fr) 2011-10-13

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