CN102851794A - Deviation device of webs to a lap winder on a spinning line - Google Patents

Deviation device of webs to a lap winder on a spinning line Download PDF

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Publication number
CN102851794A
CN102851794A CN2012102178809A CN201210217880A CN102851794A CN 102851794 A CN102851794 A CN 102851794A CN 2012102178809 A CN2012102178809 A CN 2012102178809A CN 201210217880 A CN201210217880 A CN 201210217880A CN 102851794 A CN102851794 A CN 102851794A
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China
Prior art keywords
fabric
group
equipment according
deflection
head
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CN2012102178809A
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Chinese (zh)
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CN102851794B (en
Inventor
吉罗拉莫·普兰迪尼
安东尼奥·格雷戈里
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Marzoli SpA
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Marzoli SpA
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    • 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

A lap-winder apparatus (1) on a spinning preparation line, comprises a deviation device of the webs to the lap-winder. The device comprises a final deviator (60) comprises a plurality of fixed or rotating deviation units (62) positioned on the working width of the drawing head, which form an upper abutment for the deviated web. In one embodiment variation, the device comprises an auxiliary deviator (90) comprising a plurality of rotating auxiliary rollers (92), sub-divided into two groups (92a, 92b) externally to the working width of the drawing head.

Description

The lapper equipment that is used for spinning preparation line
Technical field
The present invention relates to the arrangement for deflecting (deviation device) of the upper fabric (webs) of Spinning process line (spinning line), and refer more particularly to the arrangement for deflecting of the fabric of lapper (lap winder).
Background technology
On the Spinning process line, in the future the fabric in the self grooming machine carries out drawing-off, joint and twines rolling in lapper, then transmits these fabrics, is used for processing in combing machine subsequently, sends at last roving frame and spinning frame to.
Out fabric is accommodated in the tank in each carding machine or the combing machine; These tanks will be transported to lapper, be arranged to island.In each tank, obtain fabric, and by arrangement for deflecting fabric is carried out delivering to lapper after the suitable deflection.
The example of an embodiment of arrangement for deflecting has been described in document EP-A1-0679740 and EP-A1-0679741.
Yet known arrangement for deflecting has some shortcomings now.In particular, people find that the angle that enters that fabric enters the drawing-off group (drawing group) of lapper adversely affects the quality of being processed by described drawing-off group.
Summary of the invention
The object of the invention is to make a kind of arrangement for deflecting that satisfies above-mentioned requirements.
Arrangement for deflecting according to the present invention has been realized this purpose, the invention provides a kind of lapper equipment for spinning preparation line, and comprising: load region is used for parking the tank that is suitable for holding pending fabric; Lapper is positioned to receive the fabric that extracts from tank, comprise at least one drawing-off group, and the drawing-off group has a pair of introducing cylinder that limits the introducing reference planes and has the drawing-off head, and the drawing-off head has predetermined working width; Arrangement for deflecting, be suitable for supporting the fabric that is contained in the tank and fabric is deflected into the drawing-off group from tank, comprise final deflector, this final deflector directly is positioned the upstream of drawing-off group, be suitable for before a pair of introducing cylinder, only carrying out a deflection of fabric, wherein, final deflector comprises at least one deflection unit, deflection unit is suitable for the single fabric of deflection and is positioned on the working width of drawing-off head, deflection unit forms the top abutment means that is deflected fabric, is suitable for being deflected the track restrictions of fabric in introducing the reference planes top.
Description of drawings
The below is described by limiting examples referring to accompanying drawing, describes by this, will be apparent according to the feature and advantage of arrangement for deflecting of the present invention, in the accompanying drawing:
Fig. 1 shows lapper equipment, and this equipment comprises pedestal (creel), according to two drawing-off groups of arrangement for deflecting of the present invention and lapper;
Fig. 2 shows the details of lapper equipment among Fig. 1;
Fig. 3 shows the final deflector (deviator, deflector) of the arrangement for deflecting of the drawing-off group that is applied among Fig. 1;
Fig. 4 shows among Fig. 3 the cutaway view of final deflector and drawing-off group;
Fig. 5 shows lapper equipment according to a further embodiment of the invention;
Fig. 6 a shows the final deflector of lapper equipment among Fig. 5;
Fig. 6 b shows the another view of final deflector among Fig. 6 a;
Fig. 7 shows the final deflector of this equipment among Fig. 5 and the cutaway view of drawing-off group;
Fig. 8 shows the details of lapper equipment according to still another embodiment of the invention;
Fig. 9 shows the servicing unit of the drawing-off group of the equipment that is attached among Fig. 8;
Figure 10 shows auxiliary deflection device among Fig. 9 and the front view of drawing-off group;
Figure 11 shows the roller groups (roller group, roller group) of final deflector in Fig. 6 a, 6b and 7;
Figure 12 shows the front view of roller groups among Figure 11;
Figure 13 shows the profile according to roller groups among the Figure 11 of the section XIII-XIII among Figure 12.
The specific embodiment
Referring to accompanying drawing, reference number 1 represents the lapper equipment on the Spinning process line generally.
The Spinning process line further comprises the opening or cleaning machine (blowroom machinery) for the treatment of bunched fiber, is positioned at the carding machine in opening or cleaning machine downstream and the drawing machine that is positioned at the carding machine downstream, is used to form fabric.Described lapper equipment 1 is positioned at the upstream of carding machine downstream and combing machine, roving frame and spinning frame.
Equipment 1 comprises at least one load region (loading area), is used for placing the tank 2 that holds fabric to be processed; Comprise two in isolated load region 4 on the horizontal direction X, 6 and lapper 8 between described load region 4,6 such as, equipment 1.
Lapper 8 comprises drafting system, and this drafting system comprises a plurality of continuous drawing-off groups at the longitudinal direction Y vertical with horizontal direction X.
Such as, in shown embodiment, drafting system comprises the first drawing-off group 12' and the second drawing-off group 12 ", the second drawing-off group is positioned at the downstream of the first drawing-off group 12'.
Each drawing-off group comprises a pair of introducing cylinder (introduction cylinder) 14, introduces cylinder and comprises bottom introducing cylinder 14a and introduce the top introducing cylinder 14b that cylinder 14a adds press contacts with the bottom.
Preferably, at least one that introduce among cylinder 14a, the 14b is vehicularized.
, define one and introduce reference planes Z introducing cylinder 14 for this, the tangent plane coincidence that these reference planes are total with the outer surface that contacts two introducing cylinder 14a, 14b.
Each drawing-off group further comprises a drawing-off head, and this drawing-off head is positioned at this to introducing the downstream of cylinder 14, comprises at least two counter extensioin cylinders, drives the drawing-off cylinder in order to have different peripheral speeds; In particular, this of downstream is larger to cylinder than that of upstream to the peripheral speed of cylinder, and the difference of peripheral speed has determined the drawing-off of the fabric that passes between these two pairs of cylinders.
In particular, according to shown embodiment, drawing-off group 12', 12 " the drawing-off head comprise three counter extensioin cylinders, namely drawing-off cylinder under the 3rd 16a, the 2nd 18a and the 20a adds press contacts with corresponding the 3rd 16a, the 2nd 18b and the upper drawing-off cylinder of a 20b.
In addition, " comprise a pair of output roller 22, be positioned at the downstream of drawing-off head, be made of lower output roller 22a and upper output roller 22b, upper output roller and lower output roller 22a add press contacts to drawing-off group 12', 12.
Preferably, at least one among output roller 22a, the 22b is vehicularized.
For this limits an output reference planes K, the tangent plane coincidence that these reference planes are total with the outer surface that contacts two output roller 22a, 22b to introducing cylinder 22.
The working width of the drawing-off cylinder of drawing-off head is defined as extends and lateral dimension, namely on the direction of rotation, this working width is restricted to for the drawing-off head.
Perpendicular to horizontal direction X, namely perpendicular to the rotation of drawing-off cylinder, the midline plane M of drawing-off head is restricted in the centre and passes working width.
In addition, lapper comprises scroll apparatus for converting (lap-forming device) (not shown), is positioned at the downstream of drawing-off group, is suitable for twining fabric in order to form volume, in order to process subsequently, sends combing machine, roving frame and spinning frame to.
In the document WO 2010/070608 under applicant's name, the embodiment of scroll apparatus for converting has been described.The relevant teachings of the embodiment of this formation device is incorporated in this specification by quoting as proof.
In addition, drafting system comprises for the main body that supports the parts of describing, and preferably cover drawing-off group 12', 12 " lid or the shell 24 of (especially drawing-off head).
Preferably, lid 24 comprises movable part, such as rotating part, in order to allow the operator near internal part.
Lid 24 has the hole of entering 26, is positioned at this to introducing the upstream of cylinder 14, in order to allow fabric to enter drawing-off group 12', 12 ", also have outlet 28, preferably near this to output roller 22, be used for fabric and withdraw from.
In addition, lapper 8 comprises at least one workbench 30, is positioned at a drawing-off group 12' and next drawing-off group 12 " between, extend at described longitudinal direction Y; Extend below the drawing-off cylinder of the first drawing-off group 12' and the second drawing-off group 12 " between workbench 30 in the second drawing-off group 12 ", so, the second drawing-off group 12 " pull out with the fabric that is connected with the first drawing-off group 12' with the fabric that is connected and arrive scroll apparatus for converting before overlapping (overlap, crossover) together by processing.
Lapper equipment 1 further comprises arrangement for deflecting, is suitable for supporting the fabric that holds in the tank, and this fabric is deflected into relative drawing-off group 12', 12 from described tank 2 ".
Arrangement for deflecting comprises pedestal 40, this pedestal be positioned at least in part load region 4,6 and the top of lapper on, especially be positioned on the top of drafting system of lapper, it comprises framework 42 and a plurality of crossbeams of longitudinal extension on load region 4,6.
Comprise first crossbeam 44a, second cross beam 44b and the 3rd crossbeam 44c that is positioned on the first load region 4 and be positioned at first crossbeam 46a, second cross beam 46b and the 3rd crossbeam 46c on the second load region 6 such as, pedestal 40.
Hold six tanks of lining up two rows on vertically such as, each load region 4,6; Each crossbeam and described two rows are associated one of in the tanks.
According to the modification of other embodiment, consider that a plurality of tanks are positioned at least one and vertically arrange.
In addition, arrangement for deflecting comprises a plurality of main deflectors 50, and these main deflectors are supported by pedestal 40, especially by its cross beam support, such as hanging from described crossbeam, is suitable for from tank the drafting system deflection fabric towards lapper.
Described main deflector 50 is along first crossbeam 44a, 46a, along second cross beam 44b, 46b, and is placed along the 3rd crossbeam 44c, 46c.
The deflector relevant with identical drawing-off group 12' little by little furthered towards described drawing-off group by tank 2, so that common drawing-off fabric, and allow it to insert the drawing-off group by entering hole 26.
According to preferred embodiment, main deflector comprises non-motor-driven roller bearing, and its respective girders from pedestal hangs.
Preferably, the rotation of non-motor-driven roller bearing tilts at longitudinal direction Y.
This that and arrangement for deflecting comprises final deflector 60, and it is located immediately at drawing-off group 12', 12 " upstream, be suitable at drawing-off group 12', 12 " is to introducing a deflection only carrying out fabric before the cylinder 14.
Final deflector 60 comprises a plurality of deflection units 62, and each deflection unit is suitable for the single fabric of deflection, such as being evenly distributed in drawing-off group 12', 12 " working width on.
Described deflection unit 62 forms the top abutment means (abutment, abutment points) that is deflected fabric, be suitable for from described unit 62 towards this to introduce cylinder transport the track restrictions of fabric in introducing the reference planes top.
In other words, described deflection unit 62 is suitable for deflection from the fabric of main deflector 50, so described deflection unit 62 and this are included in introducing reference planes Z upward to the track between the introducing cylinder 14 or are positioned at the most under it, so by this way, fabric must be proceeded at the most up, in order to will himself introduce this to introducing in the cylinder 14.
According to an embodiment, described final deflector 60 comprises at least one plate 70a, 70b, and this plate is attached to this to introducing the upstream of cylinder 14, has the hole 72 of the described deflection unit of a plurality of formation.
Preferably, consider to arrange two plate 70a and 70b, such as with introducing hole 26 relative positionings of shell 24, in the direction of advance of fabric separately.
Preferably, described plate 70a, 70b are attached to around vertical axis rotation, such as lid 24 or the main body to machine, in order to can change and be fixed on inclination angle on the horizontal plane.
Preferably, hole 72 is equidistant each other.
According to another embodiment, described final deflector 60 comprises a plurality of deflection roller bearings 80, treats that the fabric of deflection is crossed these roller bearings, and these roller bearings rotate freely around rotation J separately.
Roller bearing 80 is located along two 82a of branch, 82b, separates in the direction of advance of fabric, and in apex region 84 interior polymerizations, such as connection.Preferably, the 82a of branch, 82b and apex region 84 are made by a profile.
In addition, preferably, final deflector 60 comprises support bar 86, and the opposed end of this support bar from apex region 84 towards the 82a of branch, 82b extends, such as having arch.
Preferably, the 82a of branch, 82b and support bar 86 are connected to main body or the lid 24 of drafting system, thereby deflection roller bearing 80 is oriented to enter hole 26 relative.
Preferably, the position of roller bearing 80 is adjustable.In other words, the position of the rotation J of each roller bearing 80 is adjustable, in order to make the position optimization of roller bearing with respect to the fabric of turnover.
According to preferred embodiment, final deflector 60 comprises: roller groups 150, this roller groups comprise around the described roller bearing 80 of rotation J rotation; Spring bearing 150 is used for supporting the roller bearing 80 that rotates; And sell 154, this pin supports roller bearing 80 by described bearing 152.
Pin 154 comprises ballhead 156 in the end opposite with the end of roller bearing 80 joints.
Roller groups 150 further comprises connector 160, is used for being connected to such as being threaded connection the 82a of branch, the 82b of deflector 60; There is compartment 162 in connector 160 at the opposition side for a side that is connected to the 82a of branch, 82b, and the wall section of compartment limits its ring-type, and its shape is suitable for forming stayed surface 164.
In addition, roller groups 150 comprises flexible member 164, and such as cup-shaped spring, it is contained in the compartment 162.
At last, roller groups 150 comprises seal cartridge 170, can be screwed onto connector 160, so that enclosed compartment 162.
Sealing lining 170 is equipped with bottom 172, and this bottom has the through hole towards compartment 162; The shape of the wall section of limited hole is suitable for forming another abutment surface 174 annularly.
56 of pin 154 partly is contained in the compartment 162 of container 160, and partly outstanding, yet is stopped by lining 170.
Ballhead 156 is resisted against on the stayed surface 164 of connector 160, and with abutment surface 174 adjacency of lining 170, by the fully prestrain of cup-shaped spring 164.
For the position of the rotation J that adjusts roller bearing 80, the lining 170 of partly outwarding winding will be enough to, and adjust and again tighten lining: the friction between 156 and the contact surface 164,174 of pin 154 remains on roller bearing in the desired locations.
According to another embodiment, arrangement for deflecting comprises auxiliary deflection device 90, is positioned downstream and the drawing-off group 12', 12 of main deflector " the upstream.
Preferably, auxiliary deflection device 90 comprises a plurality of supplementary rder 92, and these supplementary rder are installed into around their rotation W freely rotates, at drawing-off group 12', 12 " the outside of working width be divided into again two groups of 92a, 92b, namely be positioned at its side.
Preferably, the supplementary rder 92 of each group is overlapping vertically, such as at two vertically on the row, such as aside vertically on, be used for each side of lapper.Front-seat 92a' and rear row 92a " are used for first group of 92a, front-seat 92b' and rear row 92b thereby indicate " and are used for second group of 92b, referring to the direction of advance of fabric.
Preferably, in addition, supplementary rder 92 is overlapping in pairs.
Preferably, in addition, the locus of the rotation W of supplementary rder 92 is adjustable, such as using above-mentioned roller groups 150.
Preferably, auxiliary deflection device 90 comprises the column 100 for every group of roller bearing, and column extends vertically, and supplementary rder 92 is mounted to column.
Preferably, column 100 is made of " U " shape profile, has substrate and two sidewalls, and two rows auxiliary column 92a', 92a " are mounted to this two sidewalls; Described transverse wall is divided into independently part again vertically, and such as by suitable cutting, the inclination angle that flexible one-tenth is variable is in order to determine the different inclination angle of the rotation of overlapping supplementary rder 92.
Preferably, in addition, same row's supplementary rder 92a' is attached to the attachment point of each transverse wall of column 100 along vertical direction alignment (aligned).
According to an embodiment variant (not shown), to compare with the drawing-off head, described attachment point is little by little further inwardly displaced.
At lapper equipment normal operation period according to the present invention, from each tank, extract fabric, and these fabrics enter the side of lapper 8 by main deflector 50 supports of pedestal 40.
In the embodiment with final deflector 60, fabric is formed into towards final deflector 60 and assembles, and towards drawing-off group 12', 12 " again only deflection once, especially towards the opening of introducing between cylinder 14a, the 14b.
Advantageously, along the advancing towards introducing final deflector from cylinder to upper track (tract), this provides convenience in the operating period of passing fabric for the operator fabric that enters at the most.
In the embodiment with auxiliary deflection device 90, the next door of the as close as possible working width of fabric remains on its outside simultaneously, in order to be positioned on the top of introducing cylinder.
According to another embodiment, according to above-mentioned modification, lapper equipment comprise auxiliary deflection device 90 and final deflector 60 both.
In the situation that keeps falling in the protection domain that is limited by following claim, those skilled in the art can change above-mentioned lapper equipment, in order to satisfy emergent requirement.

Claims (17)

1. be used for the lapper equipment (1) of spinning preparation line, comprise:
Load region (4,6) is used for parking the tank (2) that is suitable for holding pending fabric;
Lapper (8), be positioned to receive the fabric that from described tank (2), extracts, comprise at least one drawing-off group (12', 12 "), described drawing-off group has a pair of introducing cylinder (14) that limit to introduce reference planes (Z) and has the drawing-off head, described drawing-off head has predetermined working width;
Arrangement for deflecting, be suitable for supporting the fabric that is contained in the described tank and described fabric is deflected into described drawing-off group (12', 12 "); comprise final deflector (60); described final deflector directly is positioned the described drawing-off group (upstream of 12', 12 ") from described tank (2), be suitable for only carrying out before at described a pair of introducing cylinder (14) deflection of described fabric, wherein
Described final deflector (60) comprises at least one deflection unit (62), described deflection unit is suitable for the single fabric of deflection and is positioned on the working width of described drawing-off head, described deflection unit forms the top abutment means that is deflected fabric, is suitable for being deflected the track restrictions of fabric in described introducing reference planes (Z) top.
2. equipment according to claim 1, wherein, described final deflector (60) comprises a plurality of deflection units (62) that are distributed on the described working width.
3. equipment according to claim 2, wherein, described deflection unit (62) is divided into two groups in the independent branch (82a, 82b) on midline plane (M) both sides that are positioned to be arranged in described drawing-off head.
4. equipment according to claim 1, wherein, described final deflector (60) comprises at least one plate (70a, 70b), described plate is provided with a plurality of holes (72) that form described deflection unit.
5. equipment according to claim 4 wherein, is provided with two plates (70a, 70b), and described two plates separate in the direction of advance of described fabric.
6. equipment according to claim 4, wherein, described plate (70a, 70b) is attached to around vertical axis rotation and position adjustable.
7. equipment according to claim 1, wherein, described final deflector (60) comprises a plurality of deflection roller bearings (80) that rotate freely around rotation (J) separately.
8. equipment according to claim 7, wherein, described roller bearing (80) is positioned along two branches (82a, 82b) that separate in the direction of advance of described fabric.
9. equipment according to claim 7, wherein, the position of the rotation (J) of described roller bearing (80) is adjustable.
10. equipment according to claim 1, comprise auxiliary deflection device (90), described auxiliary deflection device is positioned the upstream of described final deflector (60), comprise a plurality of supplementary rder (92), the rotation (W) that described a plurality of supplementary rder centers on them freely rotates, outside at the working width of described drawing-off head is divided into two groups (92a, 92b) again, and wherein, every group of described supplementary rder (92) is overlapping vertically.
11. equipment according to claim 10, wherein, the position of the rotation (W) of described supplementary rder (92) is adjustable.
12. be used for the lapper equipment (1) of spinning preparation line, comprise:
Load region (4,6) is used for parking the tank (2) that is suitable for holding pending fabric;
Lapper (8), be positioned to receive the fabric that from described tank (2), extracts, comprise at least one drawing-off group (12', 12 "), described drawing-off group has a pair of introducing cylinder (14) that limit to introduce reference planes (Z) and has the drawing-off head, described drawing-off head has predetermined working width;
Arrangement for deflecting, be suitable for supporting the fabric that is contained in the described tank and described fabric is deflected into described drawing-off group (12', 12 "); comprise final deflector (90); described final deflector directly is positioned the described drawing-off group (upstream of 12', 12 ") from described tank (2), be suitable for only carrying out before at described a pair of introducing cylinder (14) deflection of described fabric, wherein
Described auxiliary deflection device (90) comprises a plurality of supplementary rder (92), the rotation (W) that described a plurality of supplementary rder centers on them freely rotates, outside at the working width of described drawing-off head is divided into two groups (92a, 92b) again, and wherein every group of described supplementary rder (92) is overlapping vertically.
13. equipment according to claim 12, wherein, described supplementary rder (92) is overlapping in pairs.
14. equipment according to claim 12, wherein, the position of the rotation (W) of described supplementary rder (92) is adjustable.
15. equipment according to claim 12, wherein, described auxiliary deflection device (90) comprises the column (100) for the vertical extension of every group of roller bearing, and described supplementary rder (92) is mounted to described column.
16. equipment according to claim 12, wherein, described lapper (8) comprises a plurality of drawing-off groups, and (12', 12 "), described a plurality of drawing-off groups are being alignd with the vertical longitudinal direction (Y) of the rotation of the drawing-off cylinder of described drawing-off head.
17. equipment according to claim 15 comprises two load region (4,6), described two load region are spaced apart along the horizontal direction vertical with described longitudinal direction, and described lapper is located between described two load region.
CN201210217880.9A 2011-06-29 2012-06-27 Deviation device of webs to a lap winder on a spinning line Active CN102851794B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000097A ITBS20110097A1 (en) 2011-06-29 2011-06-29 DEVICE FOR THE DEVIATION OF RIBBONS TO A STRAIGHT-LINE RUNNER
ITBS2011A000097 2011-06-29

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CN102851794A true CN102851794A (en) 2013-01-02
CN102851794B CN102851794B (en) 2017-04-12

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CN (1) CN102851794B (en)
BR (1) BR102012015215B1 (en)
IT (1) ITBS20110097A1 (en)

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CN110144647A (en) * 2019-05-10 2019-08-20 经纬智能纺织机械有限公司 A kind of sliver feeding unit for ribbon lap machine guide strip rack

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GB523579A (en) * 1939-01-06 1940-07-17 Courtaulds Ltd Improvements in sliver guides and like apparatus for conveying textile fibres
EP0679740A1 (en) * 1994-04-29 1995-11-02 Maschinenfabrik Rieter Ag Arrangement of drawing units
CN1115803A (en) * 1994-04-29 1996-01-31 里特机械公司 Sliver feeding apparatus
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CN102851794B (en) 2017-04-12
ITBS20110097A1 (en) 2012-12-30

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