CN102808248B - Open-end spinning device - Google Patents
Open-end spinning device Download PDFInfo
- Publication number
- CN102808248B CN102808248B CN201210151133.XA CN201210151133A CN102808248B CN 102808248 B CN102808248 B CN 102808248B CN 201210151133 A CN201210151133 A CN 201210151133A CN 102808248 B CN102808248 B CN 102808248B
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- China
- Prior art keywords
- open
- spinning device
- end spinning
- fiber
- opening roller
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/38—Channels for feeding fibres to the yarn forming region
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
- D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
- D01H4/36—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls with means for taking away impurities
Abstract
The invention relates to an open-end spinning device, which has a spinning revolving cup, the spinning revolving cup being rotatably supported in a revolving cup housing which can bear negative pressure and being pneumatically connected with an opening roller which is rotatably supported in an opening roller housing through a fiber guide passage which extends conically, and has a pneumatic mechanism arranged in the area of the fiber guide passage and used for affecting the flow of transported air appearing in the fiber guide channel. The invention specifies that a boundary layer suction mechanism (28) is mounted at an entrance side of the fiber guide channel (14).
Description
Technical field
The present invention relates to a kind of open-end spinning device.
Background technology
This open-end spinning device to be just disclosed relatively with gas flow spinning cup spinning machine very early and such as in DE 42 27 885 C2 or DE 10 2,006 033 971 A1, to have clearer and more definite description in many patent application.
Such open-end spinning device especially has with high rotating speed pivotal spinning rotary cup and fiber skein opening mechanism in the revolving cup housing that can accept negative pressure, and the opening roller rotated in opening roller housing of fiber skein opening mechanism will be fed and be become filament to fiber skein shredding.Opening roller housing now has two openings in the region of circumferential wall surrounding opening roller at least partly, feeding and be admitted to opening roller housing to fiber skein by described opening, being passed on into fiber guiding channel from feeding the filament that dirt particles is removed from opening roller housing and institute's shredding goes out to being scattered fiber skein.That is, in the region of the first relatively large opening, be provided with fiber skein feed roller, it is fed to groove relatively for feeding feeding to the opening roller rotated to fiber skein and become filament by opening roller shredding with corresponding.In opening processes, except filament, also discharge dirt particles etc., be pulled away by opening roller or with the swirl flow that opening roller rotates together with the filament that itself and shredding go out.
Be arranged on and feed to the fibre bundle bearing on groove now for the first opening of opening roller housing being divided into fiber skein entrance area and the roughly spaced so-called dirt exit region connected with fiber skein entrance area.If the filament taken away by opening roller and dirt particles arrive dirt exit region, then heavier dirt particles is thrown out of by centrifugal force with determining, and filament is settled out by the withdrawing air component flowed into and stayed in swirl flow region or on opening roller.
In several angular ranges after dirt exit region, the circumferential wall of opening roller housing has another obviously less opening, and it forms the entrance area of tapered fiber guiding channel.In addition, the fiber guiding channel be arranged in the second open area of opening roller housing circumference wall is connected to the revolving cup housing of the accepted negative pressure of open-end spinning device at outlet side, this causes the conveying air stream occurring pointing to revolving cup housing from opening roller housing in fiber guiding channel.Fiber guiding channel is now preferably like this to be formed and arranges, that is, fiber guiding conduit wall abuts against on the circumferential wall of the opening roller housing surrounding opening roller as tangent line.
In spinning operation, in the entrance area of fiber guiding channel, also have negative pressure because of the spinning negative pressure be present in revolving cup housing, this negative pressure with act on the centrifugal force one accelerated on the filament of close velocity of rotation by opening roller and be used from and make filament depart from opening roller or vortex flow and through fiber guiding channel by the pneumatic conveying extremely yarn revolving cup of high speed rotary in revolving cup housing.
The filament being fed to spinning rotary cup is spun into yarn in spinning rotary cup, and yarn is drawn out of by unwinding yarn mechanism subsequently and is wound into cross winding bobbin.
Although above-mentioned open-end spinning device and corresponding fiber skein opening mechanism thereof are repeatedly proved useful in practice, unanimously think in technology circle and especially viewed from fluid technique angle, optimize potential in addition in fiber guiding passage area.That is, not only in fiber guiding channel, flowing for the filamentary air of pneumatic conveying of onset looks and can also improve, and the flow condition in fiber guiding feeder connection region also can also improve.
In the past, propose various mechanism, the flow condition in fiber guiding channel and/or fiber guiding feeder connection region should have been improved whereby.
DE-OS 1 925 999 such as describes a kind of fiber skein opening mechanism, and it makes following improvement compared with above-mentioned fiber skein opening mechanism, that is, it has special compressed air and be blown into mechanism in fiber guiding passage area.Compressed air is blown into mechanism and now so forms and arrange, that is, the filament carried in fiber guiding channel bears external airflow function, thus prevents filament to enter in the boundary layer occurred in conduit wall region and may be slowed down there.
In addition, such as DE-OS 21 31 270 discloses a kind of fiber skein opening mechanism, wherein, surround the opening roller housing circumference wall of opening roller be positioned at fiber guiding channel before part there is special tectonic, special pneumatic mechanism is equipped with and respectively.
Such as specify in the first embodiment, the fiber transmission channel externally defined by opening roller housing circumference wall is next to after fiber skein feeds hole to be widened at once continuously outwardly, and opening roller housing circumference wall finally transits to fiber guiding conduit wall.In addition, in the starting area of fiber transmission channel widening portion, be provided with multiple air vent, they are connected with high-voltage power supply.In other words, by these air vents, additional air flow can be blown into opening roller housing, especially be blown into fiber guiding channel.
Specify in this second embodiment, additional being equipped in the widening portion region of fiber transmission channel reduces structure, and before reducing structure, offer the steam vent be connected with negative pressure source.
But the fiber skein opening mechanism described in DE-OS 21 31 270 is proved to be not too favourable in corresponding research, and is not put into practical application.
DE 39 16 238 A1 and/or DE 198 57 160 A1 discloses other fiber skein opening mechanism, studies the how flow condition of Beneficial Effect in fiber guiding passage area here.Fiber skein opening mechanism is described in claimed above-mentioned patent application; wherein; the withdrawing air flow of the spinning negative pressure of the machine self of exit cross-section that raising like this is worked in fiber guiding channel, that notoriously depend on fiber guiding channel and current existence; that is, fiber guiding channel is equipped with effective suction cross section of additional by-pass prot increased fiber guiding channel thus.
In the fiber skein opening mechanism disclosed in DE 39 16 238 A1, by-pass prot is opened in fiber guiding channel and turns round a little, in the inner ring district of general fiberless fiber guiding channel as far as possible.But show in corresponding research, by such by-pass prot arranged perpendicular to fiber throughput direction, the not inconsiderable a part of filament carried in fiber guiding channel is seen off, is sucked away in other words.
DE 198 57 160 A1 relates to the improvement of the fiber skein opening mechanism disclosed in DE 39 16 238 A1.In this fiber skein opening mechanism, by-pass prot is the part of channel plate joint and is so arranged in channel plate connector receptacle region, that is, by-pass prot is located in fibre stream side and in face of fiber throughput direction.
The negative pressure that although the fiber skein opening mechanism disclosed in DE 198 57 160 A1 can be utilized to facilitate the additive air amount in fiber guiding channel and need not improve in spinning machine, fiber skein opening mechanism especially can also improve about its flow condition in the region, ingate of fiber guiding channel.
Summary of the invention
In view of the open-end spinning device of the above-mentioned type, the present invention is based on following task, namely a kind of open-end spinning device of formation like this is developed, flow condition in fiber skein opening mechanism region and especially in the region, ingate of fiber guiding channel is able to further improvement, and hence improves the situation being entered fiber guiding channel by the filamentary situation of opening roller shredding and filament.
The open-end spinning device with the boundary layer suction mechanism being arranged on fiber guiding feeder connection side formed according to the present invention has the following advantages, that is, the turbulent flow occurring having separation eddy in fiber guiding feeder connection region reliably can be stoped by such mechanism.In other words, by using boundary layer suction mechanism according to the present invention, that backflow occurring that picture occurs in separation eddy is reliably stoped.
The filament sent here by opening roller or the vortex flow that plays a role in the fiber transmission channel of opening roller housing can aligned fibers guiding channel in the suitable major part of fiber guiding feeder connection like this, this significantly improves to utilize opening roller shredding filament and filament from vortex flow, hand to Conductivity of Fiber to draw passage.In addition, the air capacity taken away by boundary layer suction mechanism causes the raising of the mean flow rate of the delivery air in fiber guiding feeder connection region, and this equally actively has influence on filament and is separated.
As described in respect of the second aspect of the invention, specify in favourable embodiment, boundary layer suction mechanism has multiple suction socket, and these suction socket are opened in the region of fiber guiding conduit wall, and described wall is along the arranged tangential of the circumferential wall of the opening roller housing surrounding opening roller at least partly.In such structure and arrangement, the blocking danger of the suction socket of boundary layer suction mechanism is relatively low, especially when boundary layer suction mechanism accurate-metering, the undesirably isolated danger of filament is relatively low, this is because for the reason of the filamentary inertia sent here to the speed more than 30m/s with 25m/s by opening roller, estimate there is no filament in the working region of boundary layer suction mechanism.
As described in third aspect present invention, in favourable embodiment, these suction socket are connected to the revolving cup housing of open-end spinning device by negative pressure channel.Like this be such as not only the relatively simple compact structure of one with the flange negative pressure channel be connected on opening roller housing, its this external enwergy is more successfully integrated in open-end spinning device, and maintenance cost is cheap, this is because the work of boundary layer suction mechanism of the present invention is realized by the spinning negative pressure of the machine self natively had in revolving cup housing in spinning operation.
In addition according to a fourth aspect of the present invention, specify in favourable embodiment, the suction acted in boundary layer suction institution regional presets by regulation by the structure of suction socket and/or quantity.In this way, comparatively successfully effectively can exclude the cyclone in present boundary layer region, in other words, fiber guiding feeder connection region in flow condition and and then filament stream be significantly improved.
Now so can form boundary layer suction mechanism (fifth aspect present invention), that is, at the region memory of boundary layer suction mechanism at multiple suction different from each other.Such structure such as can bring advantage when processing thorny thread material.
According to a sixth aspect of the present invention, these suction socket of boundary layer suction mechanism are preferably formed with the form in multiple gap.By like this, suction face is split up into multiple slot-shaped negative pressure hole, can realizes in a straightforward manner applying air pressure in large area to the critical region of fiber guiding channel.These gaps now can as described in the present invention the 7th to the 9th aspect along the flow direction of fibre stream, perpendicular to flow direction or relative to flow direction orientation obliquely.
Often kind of orientation all has merits and demerits, and these merits and demerits may depend on the spinning negative pressure of fibrous material or current existence.In other words, various favourable gap orientation can change.
Accompanying drawing explanation
Other details of the present invention can be obtained from the embodiment described below in conjunction with accompanying drawing, wherein:
Fig. 1 illustrates open-end spinning device with schematic side, and it has pivotal spinning rotary cup and the fiber skein opening mechanism be connected with revolving cup housing by fiber guiding channel in the revolving cup housing that can be subjected to negative pressure,
Fig. 2 illustrates fiber skein opening mechanism with enlarged front view, and its fiber guiding channel is equipped according to boundary layer suction mechanism of the present invention,
Fig. 3 is the schematic diagram of the flow condition in fiber guiding feeder connection region, does not now arrange boundary layer suction mechanism of the present invention.
Detailed description of the invention
Open-end spinning device overall by reference numeral 1 shown in Fig. 1 represents.Such spinning apparatus 1 has revolving cup housing 2 as known, rotor 26 high speed rotary in revolving cup housing 2 of spinning rotary cup 3.According in the open-end spinning device of the present embodiment, spinning rotary cup 3 is bearing in the supporting wedge preferably without the supporting disk bearing 5 of axial thrust with its rotor axis 4.
Spinning rotary cup 3 is now driven by the tangential belt 6 along machine length, and tangential belt is forced on rotor axis 4 by pressure roller 7.The axial location of rotor axis 4 in the supporting wedge of supporting disk bearing 5 realizes preferably by permanent magnetism thrust bearing 18.
The revolving cup housing 2 opened wide forward is closed by the lid 8 of rotating support and is connected to negative pressure source 11 by aspiration 10 in spinning work, and this negative pressure source produces spinning negative pressure required in revolving cup housing 2 in spinning process.Lid 8 has channel plate 27, and this channel plate comprises the seal 9 be preferably located in cannelure.In addition, in the central store groove 34 of channel plate 27, as many weeks be removably provided with channel plate joint 12, this channel plate joint has the port region of fiber guiding channel 14.In addition, channel plate joint 12 is equipped with drawn work nozzle 13 and is equipped with drawn work pipe 15 at outlet side.
As is further illustrated in figure 1, the lid 8 supported with can rotating rotation axis 16 restricted rotational movement is fixed with opening roller housing 17, or opening roller housing 17 is integrated in lid 8, it has bracket 19,20 backward in addition, in order to support opening roller 21 or fiber skein feed roller 22.Opening roller 21 is now driven by the tangential belt 24 along the circulation of machine length in its wharve 23 region, and the drive unit of (not shown) fiber skein feed roller 22 realizes preferably by spiro driving device, this spiro driving device is connected to along on the driving shaft 25 of machine length.
Fig. 2 amplifies the front view that the open-end spinning device 1 formed according to the present invention is shown with partial sectional view.Opening roller 21 is rotatably mounted with in the opening roller housing 17 of the fiber skein opening mechanism indicated at the overall by reference numeral 33 for open-end spinning device 1, this opening roller spinning operation in along arrow R direction revolution, and have on its outer peripheral face so-called opening roller 35 for shredding feed to fiber skein 36.In addition, within opening roller housing 17 or on, be supported with the fiber skein feed roller 22 that can rotate in arrow Z-direction and affiliated feeding to groove 38.As shown in Figure 2, deposit feeding in bar cylinder (not shown) is introduced into pinch zones to fiber skein 36 by fiber skein agglomerator 37 usually, and this pinch zones is formed to groove 38 and fiber skein feed roller 22 by feeding.Feed and be now pressed towards fiber skein feed roller 22 by spring (not shown) to groove 38, and will feed and be pressed in along on the pivotal fiber skein feed roller 22 of arrow Z-direction to fiber skein 36.
Pivotal fiber skein feed roller 22 is fed in fiber skein 36 opening roller 21 region that arrow R direction is rotated by feeding, its opening roller 35 will be fed and be become filament 40 to fiber skein 36 shredding, filament is taken away by opening roller 35, is accelerated in other words.Fiber throughput direction is positioned at the dirt exit region 41 in downstream, and the dirt particles 39 that opening roller 21 cleans out when shredding goes out filament 40 is simultaneously thrown out of.In other words, relatively heavier dirt particles 39 is outwards thrown away, and as shown in Figure 2, and filament 40 is stablized by the suction airstream 42 flowed into, on the opening roller 35 staying opening roller 21 or in vortex flow.
Filament 40 is continued to be sent to the entrance area 43 of fiber guiding channel 14 by opening roller 21, here, the vacuum flow that works in fiber guiding channel 14 of filament and act on filament 40 centrifugal force effect under depart from the opening roller 35 of opening roller 21 and be supplied to spinning rotary cup 3 by fiber guiding channel 14.
Now, in the entrance area 43 of fiber guiding channel 14, boundary layer suction mechanism 28 of the present invention is installed.In other words, in the entrance area of the wall 30 (described wall 30 is along at least part of arranged tangential of surrounding the circumferential wall 31 of opening roller 21) of fiber guiding channel 14, be provided with multiple suction socket 29, these suction socket are connected to the revolving cup housing 2 being subjected to negative pressure by negative pressure channel 32.
The negative pressure existed in revolving cup housing 2 in spinning operation makes to occur suction airstream 44 in negative pressure channel 32, and it causes and occurs air pressure at the entrance side of suction socket 29, and this air pressure is a little less than the air pressure be present in the entrance area 43 of fiber guiding channel 14.Caused suction airstream by this pressure reduction, this suction airstream makes to aspirate by regulation boundary layer, and prevents the fibre stream flowing into fiber guiding channel 14 to be subject to the adverse effect of the turbulent flow in boundary layer region thus.
Fig. 3 is schematically illustrated in the flow condition in the entrance area 43 of fiber guiding channel 14, now in this region, does not install boundary layer suction mechanism 28 of the present invention.As shown in the figure, by the opening roller 35 of opening roller 21 and the vortex flow 45 that inspired by the opening roller 21 of spinning negative pressure and rotation, filament 40 is admitted to the entrance area 43 of fiber guiding channel 14, here, filament is determined by gravity condition and the suction airstream 46 passing through onset in fiber guiding channel 14 is aspirated, and departs from opening roller 35 or vortex flow 45 and enter Conductivity of Fiber to draw passage 14.Fiber guiding channel 14 now has the entry depth indicated with Reference numeral 50 at its entrance area 43, in other words, filament 40 can enter the region of fiber guiding channel 14 at this.
But in fact, the entry depth 50 of fiber guiding channel 14 is obviously reduced by existing flow condition.As shown in Figure 3, generally in the entrance area of fiber guiding channel 14 wall 30, form separation flow 48, separation flow also with guide the reverse flow worked in conduit wall 47 region at opposed fiber and be associated, significantly limit entry depth, as shown in by Reference numeral 51.
The boundary layer suction mechanism 28 of the application of the invention, can stop and in the region of the wall 30 of fiber guiding channel 14, to occur such separation flow 48 and and then occur obviously the reducing of entry depth 50 of fiber guiding channel 14.
Claims (9)
1. an open-end spinning device, it has spinning rotary cup, this spinning rotary cup is rotatably bearing in and can be subjected in the revolving cup housing of negative pressure, and the fiber guiding channel that this spinning rotary cup is extended by taper is connected with the opening roller be rotatably bearing in opening roller housing is pneumatic
This open-end spinning device also has the pneumatic mechanism in the region being arranged on this fiber guiding channel, and this pneumatic mechanism flows for intervening the conveying air appeared in this fiber guiding channel,
It is characterized in that,
Boundary layer suction mechanism (28) is equiped with at the entrance side of this fiber guiding channel (14).
2. open-end spinning device according to claim 1, it is characterized in that, this boundary layer suction mechanism (28) has multiple suction socket (29), these suction socket are arranged in the region of wall (30) of this fiber guiding channel (14), described wall along this opening roller housing (17), the arranged tangential of the circumferential wall (31) that surrounds this opening roller (21).
3. open-end spinning device according to claim 2, is characterized in that, these suction socket (29) are connected to this revolving cup housing (2) of this open-end spinning device (1) by negative pressure channel (32).
4. the open-end spinning device according to Claims 2 or 3, it is characterized in that, the suction played a role in the region of this boundary layer suction mechanism (28) can be preset by regulation by the structure of this suction socket (29) and/or quantity.
5. open-end spinning device according to claim 4, is characterized in that, so form this boundary layer suction mechanism (28), that is, multiple suction different from each other play a role in this boundary layer suction mechanism (28) region.
6. open-end spinning device according to claim 2, is characterized in that, these suction socket (29) are formed with gap form.
7. open-end spinning device according to claim 6, is characterized in that, these gaps (29) are along flow direction (F) orientation of filament stream.
8. open-end spinning device according to claim 6, is characterized in that, these gaps (29) are perpendicular to flow direction (F) orientation of filament stream.
9. open-end spinning device according to claim 6, is characterized in that, these gaps (29) are relative to flow direction (F) orientation obliquely of filament stream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011102883.1 | 2011-05-31 | ||
| DE102011102883A DE102011102883A1 (en) | 2011-05-31 | 2011-05-31 | Open-end spinning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808248A CN102808248A (en) | 2012-12-05 |
| CN102808248B true CN102808248B (en) | 2015-05-13 |
Family
ID=46045688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210151133.XA Active CN102808248B (en) | 2011-05-31 | 2012-05-15 | Open-end spinning device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2530192B1 (en) |
| CN (1) | CN102808248B (en) |
| DE (1) | DE102011102883A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305930B (en) * | 2013-07-05 | 2015-12-23 | 河北金纺机械制造有限公司 | A kind of two air-flow rotor spinning machine |
| CN107190374B (en) * | 2017-07-13 | 2023-10-20 | 浙江理工大学 | Impurity removing and carding device for rotor spinning machine |
| DE102018105075A1 (en) * | 2018-03-06 | 2019-09-12 | Saurer Spinning Solutions Gmbh & Co. Kg | Faserleitkanaleinrichtung for an open-end spinning device with a latching connection |
| CN109306525B (en) * | 2018-11-03 | 2020-09-11 | 广东五源新材料科技集团有限公司 | Liquid fluffer and working method thereof |
| DE102019110575A1 (en) * | 2019-04-24 | 2020-10-29 | Saurer Spinning Solutions Gmbh & Co. Kg | Open-end spinning device |
| CN113652783B (en) * | 2020-12-30 | 2023-02-28 | 苏州多道自动化科技有限公司 | Double-row impurity combing device of rotor spinning machine combined with charge balance and application |
| CN113652780B (en) * | 2020-12-30 | 2022-12-23 | 苏州多道自动化科技有限公司 | Impurity-removing carding method and device of rotor spinning machine based on air suction assistance |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1925999A1 (en) * | 1968-05-24 | 1969-12-04 | Krause Hans Walter | Method and device for parallelizing staple fibers in the feed channel of a spinning chamber of an open-end spinning device |
| DE2131270A1 (en) * | 1970-06-25 | 1972-01-05 | Vyzk Ustav Bavlnarsky | Fiber scrubbing device for ringless fine spinning positions of spinning machines |
| DE3916238A1 (en) * | 1989-05-18 | 1990-12-06 | Fritz Stahlecker | DEVICE FOR OE ROTOR SPINNING |
| US5361574A (en) * | 1992-08-22 | 1994-11-08 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Process and device for pneumatic feeding of fibers to the fiber collection surface of an open-end spinning element |
| US5367868A (en) * | 1992-08-17 | 1994-11-29 | Rieter Ingolstadt | Process and device for open-end spinning |
| EP0887448A2 (en) * | 1997-06-28 | 1998-12-30 | Zinser Textilmaschinen GmbH | Method and apparatus for manufacturing a textile yarn |
| DE19857160A1 (en) * | 1998-12-11 | 2000-06-15 | Fritz Stahlecker | Open-end spinner has a bypass opening directly after the deflection point in the fiber feed channel from the fiber loosening roller to the spinning rotor which extracts air without diverting fibers |
| DE102006033971A1 (en) * | 2006-07-22 | 2008-01-24 | Oerlikon Textile Gmbh & Co. Kg | Fiber strip disintegrating device of spinning device has blowing nozzle in surface of disintegrating roll housing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1922743A1 (en) * | 1969-05-03 | 1970-11-05 | Skf Kugellagerfabriken Gmbh | Spinning unit for spinning a sliver |
| DE10348710A1 (en) * | 2003-10-16 | 2005-05-12 | Saurer Gmbh & Co Kg | Guidance channel for pneumatic transport of individual fibers in open ended rotor spinning process, includes inlet and outlet openings at differing orientations |
| DE102004040875A1 (en) * | 2004-08-24 | 2006-03-02 | Saurer Gmbh & Co. Kg | Fiber guide channel for an open-end spinning device |
-
2011
- 2011-05-31 DE DE102011102883A patent/DE102011102883A1/en not_active Withdrawn
-
2012
- 2012-04-21 EP EP20120002804 patent/EP2530192B1/en active Active
- 2012-05-15 CN CN201210151133.XA patent/CN102808248B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1925999A1 (en) * | 1968-05-24 | 1969-12-04 | Krause Hans Walter | Method and device for parallelizing staple fibers in the feed channel of a spinning chamber of an open-end spinning device |
| DE2131270A1 (en) * | 1970-06-25 | 1972-01-05 | Vyzk Ustav Bavlnarsky | Fiber scrubbing device for ringless fine spinning positions of spinning machines |
| DE3916238A1 (en) * | 1989-05-18 | 1990-12-06 | Fritz Stahlecker | DEVICE FOR OE ROTOR SPINNING |
| US5367868A (en) * | 1992-08-17 | 1994-11-29 | Rieter Ingolstadt | Process and device for open-end spinning |
| US5361574A (en) * | 1992-08-22 | 1994-11-08 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Process and device for pneumatic feeding of fibers to the fiber collection surface of an open-end spinning element |
| EP0887448A2 (en) * | 1997-06-28 | 1998-12-30 | Zinser Textilmaschinen GmbH | Method and apparatus for manufacturing a textile yarn |
| DE19857160A1 (en) * | 1998-12-11 | 2000-06-15 | Fritz Stahlecker | Open-end spinner has a bypass opening directly after the deflection point in the fiber feed channel from the fiber loosening roller to the spinning rotor which extracts air without diverting fibers |
| DE102006033971A1 (en) * | 2006-07-22 | 2008-01-24 | Oerlikon Textile Gmbh & Co. Kg | Fiber strip disintegrating device of spinning device has blowing nozzle in surface of disintegrating roll housing |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011102883A1 (en) | 2012-12-06 |
| EP2530192A1 (en) | 2012-12-05 |
| CN102808248A (en) | 2012-12-05 |
| EP2530192B1 (en) | 2014-01-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: SAURER GERMANY GMBH + CO. KG Free format text: FORMER OWNER: OERLIKON TEXTILE GMBH + CO. KG Effective date: 20131104 |
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