EP1854910A1 - Distributeur de voile à bras incliné - Google Patents

Distributeur de voile à bras incliné Download PDF

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Publication number
EP1854910A1
EP1854910A1 EP06009529A EP06009529A EP1854910A1 EP 1854910 A1 EP1854910 A1 EP 1854910A1 EP 06009529 A EP06009529 A EP 06009529A EP 06009529 A EP06009529 A EP 06009529A EP 1854910 A1 EP1854910 A1 EP 1854910A1
Authority
EP
European Patent Office
Prior art keywords
laying
carriage
superstructure
movement
gap
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
EP06009529A
Other languages
German (de)
English (en)
Other versions
EP1854910B1 (fr
Inventor
Johann Philipp Dilo
Peter Dr. Bastian
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.)
Oskar Dilo Maschinenfabrik KG
Original Assignee
Oskar Dilo Maschinenfabrik 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 Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP06009529A priority Critical patent/EP1854910B1/fr
Priority to DE502006004974T priority patent/DE502006004974D1/de
Priority to AT06009529T priority patent/ATE444383T1/de
Priority to US11/788,563 priority patent/US7526838B2/en
Priority to CN2007101071860A priority patent/CN101070647B/zh
Publication of EP1854910A1 publication Critical patent/EP1854910A1/fr
Application granted granted Critical
Publication of EP1854910B1 publication Critical patent/EP1854910B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above

Definitions

  • the invention relates to a Steilarmvliesleger for laying a fleece from a fed from a pile fabric card web and to a Fleece laying process with a Steilarmvliesleger.
  • the lower end of the laying arm is mounted in the upper carriage, while said deflecting rollers are mounted in the lower carriage.
  • the upper slide is adjustable relative to the lower slide to a small extent in and against the direction of movement of the carriage to change within the car, the path that describes the card web, the motion reversal of the car so that the risk is reduced that the Florbahn enters a gusset, which is formed between the forward in the direction of deflection of one of the running over the laying arm pile conveyor belts and the front in the direction of deflection of one of the cover strips. Accordingly, the two carriages oscillate to a slight extent during a laying cycle.
  • A1 described nonwoven layer has therefore in its inlet region a buffer, called because of its location inlet storage, which receives the surplus of Florbahnmaterial and again gives off when the transport speed of the guided over the laying arm pile conveyor belts, which is equal to the speed of movement of the car, deviates from the speed at which the Florbahn the nonwoven layer is fed by a uniform working pile generator.
  • the buffer web volume to be buffered builds up in the deceleration phases of the carriage movement in the intake accumulator in order to be dismantled again after the reversal of the carriage in its acceleration phases.
  • the invention is therefore based on the object to provide a nonwoven layer of the type mentioned, which is technically simpler in maintaining the temporary storage function, and to specify a working with a Steilarmvliesleger fleece laying method that puts less pressure on the drive means of the web laying than this in known Steilarmvlieslegern the case is.
  • the invention achieves the desired success in that it relocates the necessary to compensate for the speed variations of the laying member temporary storage in the Florabgabe Scheme the laying body.
  • the out EP 1 612 306 A1 Accordingly, known steep-arm nonwoven layers are modified in such a way that the upper carriage on which the lower end of the laying arm is mounted and the lower carriage on which the actual laying gap is formed become completely independent superstructures and laying carriages which receive travel distances which are defined in US Pat to such an extent different from each other and are partially independent of each other, that builds between them a cache.
  • This buffer is able to temporarily that flap length to accommodate and release again, which is required to bring the fluctuating speed of movement of the laying member with the uniform feed speed of the card web to the crosslapper in line.
  • a length of the buffer web of 1 m to be buffered has proven sufficient for this purpose.
  • the measures according to the invention have the consequence that the delivered from the delivery nip of the laying arm card during the deceleration and acceleration phases of the laying carriage is not stored directly on the delivery conveyor belt, but first on the upper run of the masking tape, the protection of the laid web against the harmful Actions of air turbulence serve, which can be caused by the movement of the laying carriage. Only from there, the card web then enters the gap formed between the cover strips on their guide rollers on the laying carriage.
  • the portion of the upper run of the cover strip, on which the card web section lies between the delivery slit of the laying arm and the laying carriage, is thus a buffer of variable volume, i. H. the length of the buffered pile web section changes within a laying cycle in accordance with the change in moving speed of the carriage and the uppercarriage.
  • the assembly formed from the superstructure and laying carriage provided with means covering the extending between the discharge gap of the laying arm and the inlet of the laying carriage Florbahnabites.
  • These covering devices can be of different types. They may be formed by one or two Hilfsabdeckb sectionsn, which are removed and retracted as needed between the superstructure and the laying carriage, or it can be used with the help of further guide rollers of the Flortransportb selected as masking tape. It is also possible to attach to the superstructure at least one cover plate, which extends over the buffered Florbahnabêt.
  • the movement paths of the superstructure and the laying carriage can be adjusted so that the superstructure always remains on one side of the laying carriage and merely changes its distance to it, depending on the intermediate storage requirements.
  • the superstructure passes over the laying carriage during the movement, namely before or at the latest at the moment in which the laying carriage is in the middle of its movement path.
  • the invention uses very few additional parts to fulfill the temporary storage function.
  • a Einlauf appointment, as in EP 1 612 306 A1 is shown, can be omitted.
  • the buffer according to the invention can be used to bring fluctuating inlet speeds of the card web, ie fluctuating speeds of the web conveyor belts, with the described requirements when placing the card web on the delivery conveyor belt in line.
  • Such varying infeed speeds may be the result of a pile-up of the pile fabric or time-varying draws in a fabric drawstring located upstream of the web.
  • the control of the movement of the upper carriage relative to that of the laying carriage not only the described reversal of motion of the laying carriage is considered, but also the current transport speed of the guided over the laying arm pile conveyor belts.
  • a laying arm 3 can be moved back and forth over a delivery conveyor belt 1, which runs over at least one deflection roller 2.
  • the laying arm 3 is mounted at its upper end, not shown in the drawing on a likewise not shown, articulated feed arm articulated.
  • the lower end of the laying arm 3 is articulated in a superstructure 4, which is movable by means of a chain, a toothed belt 6 or the like in a reciprocating movement transversely to the transport direction of the delivery conveyor belt 1.
  • the toothed belt 5 can be driven by means of a drive pinion 6 (not shown) connected to a drive device.
  • the drive characteristic is symbolized in FIG. 2 and FIG. 4 in each case by two blackened circular sectors.
  • two guide rollers 7 and 8 are rotatably mounted to the two pile conveyor belts 9 and 10 are guided, which are guided on their leading to the guide rollers 7 and 8 section on the laying arm 3 parallel to each other to include a to be deposited card web 11 between them.
  • a laying carriage 12 is arranged, which is like the superstructure 4 transversely to the transport direction of the Abendertransportbandes 1 on the Abuntertransportband 1 movable.
  • a chain or a toothed belt 13 is anchored, which runs as shown in FIG. 2 via a drive pinion 14.
  • two guide rollers 15 and 16 are rotatably mounted, on each of which a cover strip 17 and 18 is looped.
  • the cover strip 17 runs as shown in FIG. 2 via fixedly mounted guide rollers 19a and 19b, of which at least one guide roller 19a is provided with a drive device.
  • Comparable deflection rollers 20a and 20b are provided for the other cover band 18, see FIG. 4.
  • Fig. 1 and 2 show the arrangement in a direction of movement in the drawing to the right, which is shown by the fact that the laying carriage 12, the deposited card web 11th left in the drawing on the left behind.
  • the superstructure 4 seen in its direction of movement is narrower than the laying carriage 12 is formed. He is therefore able to drive between frame plates through which the guide rollers 15 and 16 are mounted in the laying carriage 12.
  • a peculiarity of a preferred embodiment of the invention is that two Hilfsabdeckb sections 21 and 22 are attached to the assembly consisting of devisrm 3 and 4 superstructure.
  • the first Hilfsabdeckband 21 is connected at its lower end with a first crossbar 23 which rests in a first receiving device 24 which is formed at the right end of the upper carriage 4.
  • the crossbar 23 projects laterally beyond the superstructure 4 on both sides.
  • the rear end of the first Hilfsabdeckbandes 21 is attached to an anchored to the laying arm 3 first tension spring 25.
  • the first Hilfsabdeckband 21 runs approximately parallel to the Flortransportband 9 and in the lower region of the superstructure 4 via a guide roller 26 to the crossbar 23.
  • the second Hilfsabdeckband 22 is also connected at its free end with a second cross bar 23 comparable second crossbar 27 and at its other End anchored via a tension spring 28 on devisrm 3.
  • a deflection roller 29 which is adjacent to the deflection roller 8, over which the pile conveyor belt 10 extends.
  • catching devices 30 and 31 in the form of receiving notches are formed in the laying carriage 12 in the direction of movement laterally located frame parts of the laying carriage 12 on the laying carriage 12 front and rear.
  • the safety gears 30 and 31 are in an altitude corresponding to that of the receiving devices 24 for the cross bars 23 and 27.
  • the laying arm 3 oscillates above the delivery conveyor belt 1 transversely to its transport direction and deposits the card web 11 fed from the pile conveyor belts 9 and 10 on the delivery conveyor belt 1, where the pile layers superpose one another in a zigzag shape with mutual overlap.
  • the speed at which the discharge gap of the laying arm 3 moves over the delivery conveyor belt 1, equal to the feed rate, with which the pile conveyor belts 9 and 10 bring the pile web 11 to be deposited to the laying gap In normal operation of a Steilarmvlieslegers, also the Steilarmvlieslegers invention, the speed at which the discharge gap of the laying arm 3 moves over the delivery conveyor belt 1, equal to the feed rate, with which the pile conveyor belts 9 and 10 bring the pile web 11 to be deposited to the laying gap.
  • the dynamics of the movement are as follows.
  • the laying carriage 12 and the superstructure 4 initially travel together in a relative position to one another, as shown in FIG. 1, to the right at a speed which is equal to the speed with which the pile conveyor belts 9 and 10 guide the card web 11 via the laying arm 3 respectively.
  • the cover strip 17 under the superstructure 4 is driven so that its upper run has the same speed as the card web 11.
  • the cover 17 is decelerated accordingly.
  • the superstructure 4 continues to move uniformly with unchanged speed. After the laying carriage 12 has stopped in its right end position, it is accelerated to the left. Meanwhile, the superstructure 4 continues to the right, but with a speed that decreases twice as fast as the speed of the laying carriage 12 increases.
  • the speed of the upper carriage 4 is zero when the laying carriage 12 has reached half the speed at which the pile conveyor belts 9 and 10 feed the card web 11. In this way, a Florbahnabêt is cached without any delay and without any compression on the upper run of the right cover strip 17.
  • the superstructure 4 is accelerated in the opposite direction.
  • the size of the acceleration depends on when the superstructure 4 should have overtaken the laying carriage 12, and thus also on the acceleration of the laying carriage 12.
  • the movements of superstructure and laying carriage are coordinated so that despite further supply of card web 11 through the Gap between the guide rollers 7 and 8 on the laying arm 3 neither distortion nor compression in the result in the located on the upper run of the cover 17 Florbahnabites.
  • the superstructure 4 fetches the laying carriage 12 again and reaches the relative position, which is shown in Fig. 3, before the deceleration process at the opposite edge of the delivery conveyor belt 1 must be initiated. Overcarriage 4 and laying carriage 12 are thus slowed down in time staggered, reversed in the movement and accelerated again, the card web 11 remains unchanged in its state, it is neither stretched nor compressed, and thick spots in the laid fleece are prevented.
  • EP 1 612 306 A1 is shown, always so that there is always an inclination of the laying arm 3 to one side of the superstructure 4, but never a tendency once to the left and once to the right. This results in better guiding conditions for the card web over the feed arm and the laying arm of the Steilarmvlieslegers.
  • Fig. 5 shows a modification of the embodiment of the invention according to FIGS. 1 to 4.
  • Die Embodiment of FIG. 5 differs from that of FIGS. 1 to 4 in that it is a driving over of the laying carriage 12 through the upper carriage 4 from a position in which the superstructure 4 is right of the laying carriage 12, in a position in which the superstructure 4 is located to the left of the laying carriage 12, does not take place. Rather, the superstructure 4 is in the example shown always to the right of the laying carriage 12.
  • Upper carriage 4 and carriage 12 are connected to the already described drive means, are used for the matching reference numerals, which is why a repetition of the explanation is omitted. Because of the peculiarity of the construction, only one Hilfsabdeckband 22 is attached to the existing devisrm 3 and 4 superstructure, which is constantly coupled to the laying carriage 12. The operation of this batt is explained below.
  • the laying carriage 12 and the superstructure 4 are guided at a uniform speed across the delivery conveyor belt 1.
  • the superstructure 4 is located just to the right of the laying carriage 12, i. in the direction of movement to the right in front of the laying carriage 12, in the direction of movement to the left behind the laying carriage 12.
  • the laying carriage 12 reaches the region of the right edge of the delivery conveyor belt 1, it is braked while the superstructure 4 continues to run at the same speed to cause that the excess of card web, which results from the unchanged feed rate of the web conveyor belts 9 and 10, is temporarily stored between the uppercarriage 4 and the laying carriage 12 on the upper run of the cover band 17.
  • this process is similar to that which has been explained using the example of FIG.
  • FIG. 6 is similar to that of FIG. 5 in so far as it always remains on one side of the laying carriage 12, in the example shown on the right side of the laying carriage 12. Also, the movement in this embodiment of the invention completely corresponds to that of the embodiment of FIG. 5, which is why an explanation can be omitted. What is different is the way in which the buffer web length cached during operation is protected against air turbulence.
  • the superstructure 4 on that side on which the intermediate storage on the cover strip 17 is constructed when the laying carriage 12 is decelerated is extended by a delivery arm 32, at its free end a third deflection roller 33 in one of the deflection roller 8 appropriate altitude is stored. Furthermore, a fourth guide roller 34 is mounted near the pivot point of the laying arm 3 on the upper carriage 4 in this.
  • the pile transport belt 10 running over the deflection roller 8 is also looped around the third and fourth deflection rollers 33 and 34 before it runs back on the laying arm 3 to the feed arm (not shown). On its section between the guide roller 8 and the third guide roller 33 this Flortransportband runs parallel and closely spaced above the cover strips 17 and 18.
  • the card web portion located on the masking tape 17 is covered by the nap conveyor belt 10, which thus acts as an auxiliary masking tape in this area, moving at the same speed and in the same direction as the card web portion covered by it.
  • the superstructure is to drive over the laying carriage on the type of operation explained with reference to FIGS. 1 to 4, the superstructure is symmetrical form, ie there are boom on both sides, ie front and rear, provide the upper carriage and the pile conveyor belt 9 is also used as an auxiliary cover tape.
  • Fig. 7 is similar to that shown in Fig. 6 in that the means for covering the buffered pile track length are formed as means projecting on the upper carriage 4.
  • These devices are realized as a cantilevered plate 35 at the front and rear of the uppercarriage 4, provided that the uppercarriage 4 according to the embodiment of FIGS. 1 to 4 is to pass over the laying carriage 12, as shown in FIG.
  • the plates 35 are located at a small distance above the upper run of the cover bands 17 and 18 and are able to shield a pile track length located there against air turbulence.
  • the features shown in Fig. 7 correspond to those of the preceding embodiments, as illustrated by matching reference numerals, and therefore repeating the explanation is omitted.
  • this nonwoven layer is to operate in the manner of the mode of operation described above with reference to FIG. 5, a plate 35 need only be provided on that side of the upper carriage 4 which faces the laying carriage 12, because only on this side does a card web volume to be buffered build up which should be protected against air turbulence.
  • the location of the motion reversal areas has always been described with reference to the edges of the delivery conveyor. It will be understood that the invention applies equally to the case where a relatively narrow web is to be laid on a relatively wide delivery conveyor belt, i. the width of the delivery conveyor belt is not fully utilized. It is therefore possible to define the position of the movement reversal areas with the ends of the laying path of the laying carriage.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Saccharide Compounds (AREA)
  • External Artificial Organs (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
EP06009529A 2006-05-09 2006-05-09 Distributeur de voile à bras incliné Expired - Fee Related EP1854910B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06009529A EP1854910B1 (fr) 2006-05-09 2006-05-09 Distributeur de voile à bras incliné
DE502006004974T DE502006004974D1 (de) 2006-05-09 2006-05-09 Steilarmvliesleger
AT06009529T ATE444383T1 (de) 2006-05-09 2006-05-09 Steilarmvliesleger
US11/788,563 US7526838B2 (en) 2006-05-09 2007-04-19 Camel-back fleece laying machine
CN2007101071860A CN101070647B (zh) 2006-05-09 2007-05-09 驼峰式铺网机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06009529A EP1854910B1 (fr) 2006-05-09 2006-05-09 Distributeur de voile à bras incliné

Publications (2)

Publication Number Publication Date
EP1854910A1 true EP1854910A1 (fr) 2007-11-14
EP1854910B1 EP1854910B1 (fr) 2009-09-30

Family

ID=36968388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06009529A Expired - Fee Related EP1854910B1 (fr) 2006-05-09 2006-05-09 Distributeur de voile à bras incliné

Country Status (5)

Country Link
US (1) US7526838B2 (fr)
EP (1) EP1854910B1 (fr)
CN (1) CN101070647B (fr)
AT (1) ATE444383T1 (fr)
DE (1) DE502006004974D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2479330A1 (fr) * 2011-01-19 2012-07-25 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013113493A1 (de) * 2013-12-04 2015-06-11 TRüTZSCHLER GMBH & CO. KG Kreuzleger
CN104805597B (zh) * 2015-04-13 2017-04-12 太仓安佑无纺科技有限公司 一种直立棉疏密可调的立式铺网装置
CN110258027B (zh) * 2019-07-29 2024-04-09 孙健 一种节能环保的化妆棉生产设备
CN114411292B (zh) * 2021-12-17 2023-03-31 东华大学 用于交叉铺网的可移动式接收帘
DE102022116216A1 (de) 2022-06-29 2024-01-04 Trützschler Group SE Verfahren zum Bilden eines Vlieses aus mehreren Lagen Faserflor mittels eines Kreuzlegers, Kreuzleger sowie dessen Verwendung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222730A (en) * 1961-11-13 1965-12-14 Johnson & Johnson Methods and apparatus for producing textile fabrics
US20040147384A1 (en) * 2001-05-25 2004-07-29 Christian Lenk Device and method for folding a flexible material web
EP1612306A1 (fr) * 2004-07-01 2006-01-04 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1574604B1 (fr) * 2004-03-08 2007-05-30 Oskar Dilo Maschinenfabrik KG Dispositif de stockage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222730A (en) * 1961-11-13 1965-12-14 Johnson & Johnson Methods and apparatus for producing textile fabrics
US20040147384A1 (en) * 2001-05-25 2004-07-29 Christian Lenk Device and method for folding a flexible material web
EP1612306A1 (fr) * 2004-07-01 2006-01-04 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2479330A1 (fr) * 2011-01-19 2012-07-25 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur

Also Published As

Publication number Publication date
CN101070647B (zh) 2010-06-09
EP1854910B1 (fr) 2009-09-30
US20080052877A1 (en) 2008-03-06
CN101070647A (zh) 2007-11-14
ATE444383T1 (de) 2009-10-15
DE502006004974D1 (de) 2009-11-12
US7526838B2 (en) 2009-05-05

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