EP2540879A1 - Umleitungsvorrichtung von Bahnen auf einen Schleifenwickler auf einer Spinnanlage - Google Patents

Umleitungsvorrichtung von Bahnen auf einen Schleifenwickler auf einer Spinnanlage Download PDF

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Publication number
EP2540879A1
EP2540879A1 EP12169364A EP12169364A EP2540879A1 EP 2540879 A1 EP2540879 A1 EP 2540879A1 EP 12169364 A EP12169364 A EP 12169364A EP 12169364 A EP12169364 A EP 12169364A EP 2540879 A1 EP2540879 A1 EP 2540879A1
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EP
European Patent Office
Prior art keywords
deviator
web
lap
deviation
group
Prior art date
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Granted
Application number
EP12169364A
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English (en)
French (fr)
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EP2540879B1 (de
Inventor
Girolamo Prandini
Antonio Gregori
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Marzoli Machines Textile SRL
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Marzoli SpA
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/14—Pulleys, rollers, or rotary bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/16—Guides for filamentary materials; Supports therefor formed to maintain a plurality of filaments in spaced relation
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B65H2701/311—Slivers

Definitions

  • the present invention relates to a deviation device of webs on a spinning line and in particular a deviation device of webs to a lap winder.
  • the webs coming from the carding machines are drawn, pieced and wound in laps in a lap-winder, to then be sent for subsequent processing in combing machines and, lastly, to the fly frames and spinning frames.
  • the web coming out of each carding or combing machine is contained in a can; the cans, transported next to the lap-winder, are arranged in islands.
  • the web is extracted from each can and feeds the lap-winder after being appropriately deviated by a deviation device.
  • the purpose of the present invention is to make a deviation device which satisfies the aforesaid requirements.
  • - figure 1 shows a lap-winder apparatus comprising a creel, a deviation device according to the present invention and two drawing groups of a lap-winder;
  • FIG. 2 shows a detail of the lap-winder apparatus in figure 1 ;
  • figure 3 shows a final deviator of the deviation device applied to the drawing group in figure 1 ,
  • figure 4 shows a cross-section of the final deviator and of the drawing group in figure 3 ;
  • FIG. 5 shows a lap-winder apparatus according to a further embodiment of the present invention
  • figure 6a shows a final deviator of the lap-winder apparatus in figure 5 ;
  • figure 6b shows a further view of the final deviator in figure 6a ;
  • figure 7 shows a cross-section of the final deviator and of the drawing group of the apparatus in figure 5 ;
  • FIG. 8 shows a detail of the lap-winder apparatus according to a further embodiment of the present invention.
  • figure 9 shows an auxiliary device attached to a drawing group of the apparatus in figure 8 ;
  • figure 10 shows a front view of the auxiliary deviator and of the drawing group in figure 9 ;
  • FIG 11 shows a roller group of the final deviator in figures 6a , 6b and 7 ;
  • figure 12 shows a front view of the roller group in figure 11 ;
  • FIG. 13 shows a cross-section view of the roller group in figure 11 , according to the section plane XIII-XIII in figure 12 .
  • reference numeral 1 globally denotes a lap winder apparatus on a spinning line.
  • the spinning line further comprises blowroom machinery for treating the fibre in tufts, carding machines downstream of the blowroom machines and drawing machines downstream of the carding machines, for the formation of a web.
  • Said lap-winder apparatus 1 is situated downstream of the carding machines and upstream of the combing machines, fly frames and spinning frames.
  • the apparatus 1 comprises at least one loading area for the parking of cans 2 containing the web to be processed; for example, the apparatus 1 comprises two loading areas 4, 6, distanced in a transversal direction X, and a lap-winder 8, positioned between said loading areas 4, 6.
  • the lap-winder 8 comprises a drawing device comprising a plurality of drawing groups in succession in a longitudinal direction Y, perpendicular to the transversal direction X.
  • the drawing device comprises a first drawing group 12' and a second drawing group 12", downstream of the first drawing group 12'.
  • Each drawing group comprises a pair of introduction cylinders 14, consisting of a lower introduction cylinder 14a and an upper introduction cylinder 14b, in pressurised contact with the lower introduction cylinder 14a.
  • At least one of the introduction cylinders 14a, 14b is motorised.
  • an introduction reference plane Z is defined, coinciding with the tangent plane common to the outer surfaces in contact with the two introduction cylinders 14a, 14b.
  • Each drawing group further comprises, downstream of the pair of introduction cylinders 14, one drawing head comprising at least two pairs of drawing cylinders, driven so as to have different peripheral speeds; in particular, the pair of cylinders downstream has a greater peripheral speed than the pair of cylinders upstream, the drawing of the web, which passes between the two pairs of cylinders, is determined by the difference of the peripheral speeds.
  • the drawing head of the drawing group 12' , 12" comprises three pairs of drawing cylinders, that is a third 16a, a second 18a and a first 20a lower drawing cylinder, in pressurised contact with respective third 16a, second 18b and first 20b upper drawing cylinders.
  • drawing group 12' , 12" comprises a pairs of output cylinders 22, downstream of the drawing head, consisting of a lower output cylinder 22a and an upper output cylinder 22b, in pressurised contact with the lower output cylinder 22a.
  • At least one of the output cylinders 22a, 22b is motorised.
  • An output reference plane K is defined for the pair of introduction cylinders 22, coinciding with the tangent plane common to the outer surfaces in contact with the two output cylinders 22a, 22b.
  • a working width defined as the extension and transversal dimensions, that is, in the direction of the rotation axes, of the drawing cylinders of the drawing head is defined for the drawing head.
  • a centreline plane M of the drawing head is defined passing midway through the working width.
  • the lap-winder comprises a lap-forming device (not shown), positioned downstream of the drawing groups, suitable for winding the web to form the lap, sent for subsequent processing to the combing machines, fly frames and spinning frames.
  • Embodiments of the lap-forming device are for example described in the document WO 2010/070608 , in the name of the Applicant. The teaching relative to the embodiments of such forming device is incorporated for reference to the present description.
  • the drawing device comprises a body for the support of the components described and, preferably, a cover or casing 24 which covers the drawing group 12', 12", and in particular the drawing head.
  • the cover 24 comprises mobile portions, for example rotating, to allow access by an operator to the inner components.
  • the cover 24 has an access aperture 26, placed upstream of the pair of introduction cylinders 14, to permit the access of the webs to the drawing group 12', 12", and an exit 28, preferably positioned at the point of the pair of output cylinders 22, for the exit of the webs.
  • the lap-winder 8 comprises at least one bench 30, positioned between one drawing group 12' and the next 12", extending in said longitudinal direction Y; the bench 30 between the first drawing group 12' and the second drawing group 12", extends under the drawing cylinders of the second drawing group 12", so that the webs processed and joined by the second drawing group 12" overlap the webs drawn and joined by the first drawing group 12', before arriving together at the lap-forming device.
  • the lap-winder apparatus 1 further comprises a deviation device suitable to support and deviate the web contained in the cans from said cans 2 to the relative drawing group 12', 12".
  • the deviation device comprises a creel 40 which at least partially surmounts the loading area 4, 6 and the lap winder, and in particular the drawing device of the same, consisting of a frame 42 and of a plurality of cross-members, having a longitudinal extension above the loading areas 4, 6.
  • the creel 40 comprises a first cross-member 44a, a second cross-member 44b and a third cross-member 44c positioned on the first loading area 4, and a first cross-member 46a, a second cross-member 46b and a third cross-member 46c positioned on the second loading area 6.
  • each loading area 4, 6 houses six cans positioned in two longitudinal rows; each cross-member is associated with one of said rows of cans.
  • a plurality of cans positioned on at least one longitudinal row is envisaged.
  • the deviation device comprises a plurality of primary deviators 50 supported by the creel 40, and in particular by its cross-members, for example hanging from said cross-members, suitable for deviating the web from the cans towards the drawing device of the lap-winder.
  • Said primary deviators 50 are positioned along the first cross-member 44a, 46a, along the second cross-member 44b, 46b and along the third cross-member 44c, 46c.
  • the primary deviator comprises a non-motorised roller, hanging from the respective cross-member of the creel.
  • the rotation axes of the non-motorised rollers are inclined in the longitudinal direction Y.
  • the deviation device comprises a final deviator 60, positioned immediately upstream of the drawing group 12', 12", suitable to perform a deviation of the web, once only, before the pair of introduction cylinders 14 of the drawing group 12', 12".
  • the final deviator 60 comprises a plurality of deviation units 62, each suitable for deviating a single web, distributed for example, evenly, on the working width of the drawing group 12', 12".
  • Said deviation unit 62 forms an upper abutment for the deviated web suitable to limit the trajectory of the web in transit from said units 62 towards the pair of introduction cylinders above the introduction reference plane.
  • said deviation units 62 are suitable for deviating the web coming from the primary deviators 50 so that the trajectory between said deviation units 62 and the pair of introduction cylinders 14 is contained on the introduction reference plane Z or at most below it, that is in such a way that the web must proceed at most upwards to introduce itself into the pair of introduction cylinders 14.
  • said final deviator 60 comprises at least one plate 70a, 70b, attached upstream of the pair of introduction cylinders 14, provided with a plurality of holes 72 which form said deviation units.
  • two plates are envisaged 70a and 70b, for example positioned opposite the introduction aperture 26 of the casing 24, diverging in the direction of advancement of the web.
  • said plate 70a, 70b is attached so as to rotate around a vertical axis, for example to the cover 24 or the body of the machine, so as to be able to modify and fix the inclination on the horizontal plane.
  • the holes 72 are equidistant from each other.
  • said final deviator 60 comprises a plurality of deviation rollers 80, which the webs to be deviated pass over, rotating freely around respective rotation axes J.
  • the rollers 80 are positioned along two branches 82a, 82b, diverging in the direction of advancement of the webs and converging, for example joined, in an apical zone 84.
  • the branches 82a, 82b and the apical area 84 are made from a profile.
  • the final deviator 60 comprises a support bar 86, which extends from the apical area 84 towards the opposite ends of the branches 82a, 82b, for example in an arched shape.
  • the branches 82a, 82b and the support bar 86 are connected to the body of the drawing device or cover 24, so that the deviation rollers 80 are positioned opposite the access aperture 26.
  • the position of the rollers 80 is adjustable.
  • the position of the rotation axis J of each roller 80 is adjustable, to optimise the position of the roller in relation to the incoming and outgoing web.
  • the final deviator 60 comprises a roller group 150, comprising said roller 80, rotating around the rotation axis J, support bearings 150, for the support of the roller 80 in rotation, and a pin 154, which supports the roller 80 by means of said bearings 152.
  • the pin 154 comprises, at the end opposite the end engaging with the roller 80, a spherical head 156.
  • the roller group 150 further comprises a connector 160 for the connection, for example by threading, to the branches 82a, 82b of the deviator 60; the connector 160 presents, on the side opposite that used for connection to the branches 82a, 82b, a compartment 162, the walls of which delimit it annularly and are shaped so as to form a support surface 164.
  • roller group 150 comprises elastic elements 164, such as cup springs, housed in the compartment 162.
  • roller group 150 comprises a sealing bush 170, screwable to the connector 160, to close the compartment 162.
  • the closure bush 170 is fitted with a bottom 172 provided with a through aperture towards the compartment 162; the walls which annularly delimit the aperture are shaped so as to form a further abutment surface 174.
  • the head 56 of the pin 154 is partially housed in the compartment 162 of the container 160 and projects partially, blocked however by the bush 170.
  • the spherical head 156 rests on the support surface 164 of the connector 160 and abuts with the abutment surface 174 of the bush 170, adequately pre-loaded by the cup spring 164.
  • the deviation device comprises an auxiliary deviator 90, positioned downstream of the primary deviators and upstream of the drawing group 12', 12".
  • the auxiliary deviator 90 comprises a plurality of auxiliary rollers 92, fitted so as to freely rotate around their rotation axis W, sub-divided into two groups 92a, 92b externally to the working width of the drawing group 12'. 12", that is at the sides of it.
  • the auxiliary rollers 92 of each group vertically overlap, for example on two vertical rows, for example longitudinally alongside, for each side of the lap-winder.
  • a front row 92a' and a back row 92a" are thereby identified for the first group 92a and a front row 92b' and a back row 92b" for the second group 92b, with reference to the direction of advancement of the webs.
  • auxiliary rollers 92 overlap in pairs.
  • the spatial position of the rotation axis W of the auxiliary rollers 92 is adjustable, for example using the roller group 150 illustrated above.
  • the auxiliary deviator 90 comprises a column 100 for each group of rollers, extending vertically, to which the auxiliary rollers 92 are fitted.
  • the column 100 consists of a "U" shaped profile, having a base and two side walls to which the two rows of auxiliary columns are 92a', 92a" are fitted; said lateral walls are vertically sub-divided into independent portions, for example by means of suitable cuts, bendable at a variable inclination so as to determine different inclinations of the rotation axes of the overlapping auxiliary rollers 92.
  • the attachment points of the auxiliary rollers 92a' of the same row to the respective lateral wall of the column 100 are aligned along a vertical.
  • said attachment points are progressively shifted further inward than the drawing head.
  • the webs are extracted from each can and, supported by the primary deviator 50 of the creel 40, are brought to the side of the lap-winder 8.
  • the webs are made to converge towards the final deviator 60 and deviated again once only towards the drawing group 12', 12", in particular towards the opening between the introduction cylinders 14a, 14b.
  • the incoming webs, travelling at most along an uphill tract of the final deviator towards the introduction cylinder facilitate the operator during the operations of threading the web.
  • the webs are brought as close as possible alongside the working width while remaining outside it, and so as to surmount the introduction cylinders.
  • the lap-winder apparatus comprises both an auxiliary deviator 90 and a final deviator 60, according to the variants described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Replacement Of Web Rolls (AREA)
EP12169364.2A 2011-06-29 2012-05-24 Umleitungsvorrichtung von Bahnen auf einen Schleifenwickler auf einer Spinnanlage Active EP2540879B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000097A ITBS20110097A1 (it) 2011-06-29 2011-06-29 Dispositivo di deviazione di nastri ad uno stiroriunitore di una linea di filatura

Publications (2)

Publication Number Publication Date
EP2540879A1 true EP2540879A1 (de) 2013-01-02
EP2540879B1 EP2540879B1 (de) 2014-02-12

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ID=44543609

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Application Number Title Priority Date Filing Date
EP12169364.2A Active EP2540879B1 (de) 2011-06-29 2012-05-24 Umleitungsvorrichtung von Bahnen auf einen Schleifenwickler auf einer Spinnanlage

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Country Link
EP (1) EP2540879B1 (de)
CN (1) CN102851794B (de)
BR (1) BR102012015215B1 (de)
IT (1) ITBS20110097A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110144647A (zh) * 2019-05-10 2019-08-20 经纬智能纺织机械有限公司 一种用于条并卷机导条架的棉条喂入装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB523579A (en) * 1939-01-06 1940-07-17 Courtaulds Ltd Improvements in sliver guides and like apparatus for conveying textile fibres
EP0679741A1 (de) 1994-04-29 1995-11-02 Maschinenfabrik Rieter Ag Faserbandzuführeinrichtung
EP0679740A1 (de) 1994-04-29 1995-11-02 Maschinenfabrik Rieter Ag Anordnung von Streckwerkseinheiten
WO2010070608A1 (en) 2008-12-19 2010-06-24 Marzoli S.P.A. Lap-forming device for machines manufacturing fibre webs, such as a lap-winder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1848667A (en) * 1932-03-08 Island
US7748658B2 (en) * 2002-02-07 2010-07-06 Truetzschler Gmbh & Co. Kg Sliver discharge device
DE102004063027B4 (de) * 2004-12-22 2017-10-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Karde, Kardenstreckwerk, Strecke, Kämmmaschine o. dgl., zum Wechseln von Spinnkannen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB523579A (en) * 1939-01-06 1940-07-17 Courtaulds Ltd Improvements in sliver guides and like apparatus for conveying textile fibres
EP0679741A1 (de) 1994-04-29 1995-11-02 Maschinenfabrik Rieter Ag Faserbandzuführeinrichtung
EP0679740A1 (de) 1994-04-29 1995-11-02 Maschinenfabrik Rieter Ag Anordnung von Streckwerkseinheiten
WO2010070608A1 (en) 2008-12-19 2010-06-24 Marzoli S.P.A. Lap-forming device for machines manufacturing fibre webs, such as a lap-winder

Also Published As

Publication number Publication date
CN102851794B (zh) 2017-04-12
BR102012015215B1 (pt) 2020-09-24
ITBS20110097A1 (it) 2012-12-30
EP2540879B1 (de) 2014-02-12
BR102012015215A2 (pt) 2013-07-02
CN102851794A (zh) 2013-01-02

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