CN100352983C - Pneumatic compaction device for a fiber assembly and method for pneumatically compacting a fiber assembly - Google Patents
Pneumatic compaction device for a fiber assembly and method for pneumatically compacting a fiber assembly Download PDFInfo
- Publication number
- CN100352983C CN100352983C CNB038078279A CN03807827A CN100352983C CN 100352983 C CN100352983 C CN 100352983C CN B038078279 A CNB038078279 A CN B038078279A CN 03807827 A CN03807827 A CN 03807827A CN 100352983 C CN100352983 C CN 100352983C
- Authority
- CN
- China
- Prior art keywords
- fiber strip
- air
- compression
- compression set
- fiber
- 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.)
- Expired - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
Abstract
The invention relates to a pneumatic compaction device (10) and to a method for pneumatically compacting a fiber assembly (2) which was preferably stretched in the area of a drafting line (1) of a spinning machine. The inventive compaction device comprises transport means (15) for the fiber assembly (2) and a cover (30) that is provided with at least one guide (31, 31') extending in the direction of feed of the fiber assembly (2) for the air that effects compaction. The invention thus provides an excellent device and method for compacting the fiber assembly.
Description
Technical field
The present invention relates to the fiber strip pneumatic compression device, fiber strip is preferably at first by the drafting system drawing-off of spinning machine.
Background technology
As general prior art, so-called pair of belt drafting system (DE 43 23 472 C2) known by people.At this, leave the right fiber strip of delivery roller and on the long limit in whole fiber pack zone, stand perpendicular to the mobile inspiratory airflow of transporting direction, fiber strip is loaded by a plane transport establishment that is designed to belt with holes at this.Belt is drivable by means of the roller driving mechanism.The guide rail of belt forms the belt retainer.This retainer is designed to aspirator.The belt retainer has an one side closed groove that is used for air-breathing guiding.The support of a rectangle has been installed, and this support adjustable ground supports; Its gradient can change and therefore can control the beginning of compression.Inhaled air uses this support can be used as cross component force, advantageously implements the compression desired to fiber strip.
As the improvement of above-mentioned prior art of the present invention referring to DE 197 22 528 A1.Belt is equipped with the holes of different sizes on traffic direction herein, thus by means of big eyelet fiber strip after rough the merging by means of little pack eyelet fiber strip by actual compression.Realize the good compression of fiber strip like this.The yarn of producing like this satisfies high quality requirement.But require taller to quality of yarn recently.
Along with textile industry further develops, April calendar year 2001 in Melliand textiles report from 246 to 248 pages described the same, so realized significant an improvement, promptly people are placed on a cover plate back of the suction hole of air-breathing seat.In this way, inhaled air can be autotelic as side component; Suck air draught and be forced in the fiber strip lateral flow, therefore can make the amplitude of oscillation bigger.Can realize fiber strip well secured on the belt eyelet on the length of constricted zone.Like this, the yarn of producing satisfies high quality requirement.But require taller to quality of yarn recently.
Showed already that air-flow flowed along fiber strip and is fit under many circumstances, away from good especially the abutting on the fiber strip of fiber ends.Directly before its passage, rotate to the direction of vertical fibers yarn by ventilative transport establishment's inspiratory airflow, pass fiber strip and it is compressed at this.
Summary of the invention
Task of the present invention is to improve the compression set of aforementioned forms with simple as far as possible and inexpensive manner.
According to the present invention, so solve this task, a kind of pneumatic compression device of fiber strip promptly is provided, this fiber strip is at first drafted on a zone of the drafting system of spinning machine, this pneumatic compression device has the transport establishment and the cover plate that are used for fiber strip, this cover plate has that at least one extends on the traffic direction of this fiber strip is used to the guiding mechanism of the air implementing to compress, it is characterized in that this guiding mechanism is a groove.Therefore so make best along the fiber strip airflow flowing and form and be collapsed into possibility admirably.
The present invention also provides a kind of pneumatic compression method of fiber strip, and wherein fiber strip not only stands the air-flow on the fiber traffic direction, and stands a vertical with it air-flow, and this method adopts above-mentioned pneumatic compression device to carry out.
For instance, guiding mechanism can for example be designed to jut according to the right form of track, but since realizability economically and saving raw material, guiding mechanism design grooving.
If the cross section of groove is significantly greater than the diameter of the fiber strip that passes groove in structural design of the present invention, on the one hand can realize sucking the stronger air-flow of direction that air stands less resistance and can realize flowing through along fiber strip in groove, can avoid on the other hand fiber strip on the sidewall of groove along sliding and becoming coarse there.Fiber strip must not be compressed by the groove mechanicalness.
The cross section of groove can be horn shape or rounding.Groove is preferably on the machine direction and narrows down.Because air is by being sucked out in the groove on the trend of constricted zone, thereby can realize that the speed of air-flow is roughly remaining on the sustained height in the constricted zone along fiber strip.
The sidewall of groove is straight or protruding, sidewall also can the initiation region be infundibulate mutually near after parallel.
In other scheme of the present invention, between air-breathing surface and cover plate, only there is such distance with air inlet, this then can realize the strong especially air-flow along fiber strip apart from passing through that permission transport establishment is not held.Therefore compressed-air actuated side direction flows into as what make every effort to realize in known compression set, according to just in time opposite in the device of the present invention, is to remove as much as possible.
The present invention is based on a compression set, this device has the air-breathing seat of vacuum adapter by one for instance and forms around the punching belt of feeding roller running as transport establishment.This belt has a lot of the eyelets that are provided with continuously on the traffic direction of fiber strip.As long as the fiber of unpressed fiber strip is assembled by inspiratory airflow, fiber is held together together by inspiratory airflow and is compressed.
Description of drawings
Further specify the present invention now with reference to the accompanying drawings, wherein describe a preferred embodiment.Shown in the figure:
Fig. 1 is the side view of two belt drafting systems, and this drafting system has a feed roller, main drawing area, compressing mechanism and feeding device,
Fig. 2 is the zoomed-in view with the compression set of diagrammatic side view mode having of showing of air-breathing seat and air-breathing joint,
Fig. 2 a with the zoomed-in view mode show Fig. 2 details and
Fig. 3 shows the details of Fig. 1 and Fig. 2 in vertical view.
The specific embodiment
The drafting system 1 that spinning machine has been shown in Fig. 1 and Fig. 2 is used for the drawing-off and the pack of fiber strip 2.Drafting system have first roller to 3 and second roller to 4, delivery roller is installed subsequently to 5.The dominant draft of fiber strip 2 occur in second roller to 4 and delivery roller to the zone between 5.
Connect a pneumatic compression device 10 at delivery roller on to 5.Feeding device 20 is installed subsequently, and this device has a roller again to 6.Fiber strip 2 on the direction of arrow by preferably use by form known motor-driven roller to 3,4,5 and 6 between successively the transmission.Have a transport establishment 15 that has eyelet 16 at this, this mechanism is designed to belt at this.Use to belt for example can be known by already mentioned DE 197 22 528 A1 in front.Delivery roller to 5 and the roller of feeding device 20 there is a so-called fiber pack zone in the zone between 6.Herein, the delivery roller that leaves drafting system 1 is subjected to inspiratory airflow 8 (Fig. 3) to 5 fiber strip 2.Inspiratory airflow 8 is produced by getter device 9, this getter device fiber strip 2 away from transport establishment's 15 1 sides delivery roller to 5 and feeding device 20 between extend.
The eyelet 16 of transport establishment 15 preferably distributes leaving on the swing width of delivery roller to 5 fiber strip 2 at least, and fiber strip 2 is driven by the air-breathing openings of the air-breathing seat 17 of getter device 9 accordingly.Air-breathing seat 17 is positioned at roller between 5 and 6, thus the mid point (cross section is as the roller of common toroidal) of the roller that install the more close bottom of roller mid point that air-breathing seat is installed than top.Air-breathing 17 far away in this reaches fiber pack zone 7 downwards.
Be designed to lower convexity and can see that on the traffic direction of fiber strip 2 rear portion of cover plate is slightly higher than the front portion at the cover plate shown in Fig. 1 and Fig. 2 30.
Among the embodiment shown in Fig. 3 middle part and the right part, the cross section of groove 31 is that rectangular shape and the width b1 in the porch approximately are the twices of conpressed fibers yarn 2 thickness not.Approximately be length L 1/4th after, the narrowed width of groove 31 is to width b2, this width is half of width b1.The sidewall 32 of groove 31 is close and parallel afterwards mutually in the entry zone of fiber strip 2.At this, the groove depth thickness with conpressed fibers yarn 2 not at least is suitable.
Fig. 3 left field illustrates groove 31 ', and its sidewall 32 ' bends to convex.The same groove 31 of this water jacket 31 ' design is the same.
In general groove 31,31 ' design as same air intake passage, in this passage, realize stronger air-flow along fiber strip 2 traffic directions.Thereby make to fiber strip 2 favourable be collapsed into possibility.
According to method of the present invention, in order to realize better compression, fiber strip 2 can not only stand foregoing at the air-flow of fiber traffic direction but also simultaneously or stand a vertical with it air-flow after a while.
At this, the speed of the air of enforcement compression is higher much doubly than the speed of the fiber strip 2 of operation.This speed can reach 10 times of fiber speed.The twice that the speed of the air of selection enforcement compression is approximately the speed of mobile fiber strip 2 is proved effective especially in actual applications.
By device of the present invention with by one of method of the present invention bigger advantage be, compare with method that the guiding mechanism that proposes just because of the present invention reduces the demand of the air of implementing compression, thereby has guaranteed more economical work done with known devices.
In addition, also can use blowing in order to strengthen the compression effectiveness that sucks air except sucking air.Thereby realize fiber strip better compression and the higher yarn qualities of final acquisition.
Next will should be mentioned that also that the present invention obviously also can be applied on the compression set, for instance, transport establishment has a sieve type belt.Air-breathing then opening is preferably designed to air inlet narrow, straight or that tilt.For the air inlet that tilts, self-evident groove need adapt to the obliquity of air inlet.
The present invention is same is applied to such compression set, and for instance, its transport establishment can be designed to the form that is subjected to head roll of rigidity or be designed to have the form of the annulus of sieve type surface or passage with holes.
Claims (14)
1. the pneumatic compression device (10) of fiber strip (2), described fiber strip is at first drafted on a zone of the drafting system (1) of spinning machine, this pneumatic compression device has the transport establishment (15) and the cover plate (30) that are used for described fiber strip (2), described cover plate (30) has that at least one extends on the traffic direction of fiber strip (2) is used to the guiding mechanism (31 of the air implementing to compress, 31 '), it is characterized in that described guiding mechanism (31,31 ') is a groove.
2. according to the compression set of claim 1, it is characterized in that the cross section of described groove (31,31 ') is obviously greater than the diameter that passes the described groove fiber strip of (31,31 ') (2).
3. according to the compression set of claim 1 or 2, it is characterized in that described groove (31,31 ') narrows down on the traffic direction of fiber strip (2).
4. according to the compression set of claim 3, it is characterized in that the sidewall (32 ') of described groove (31 ') bends to convex.
5. according to the compression set of claim 3, it is characterized in that the sidewall (32) of described groove (31) is parallel to each other after the entry zone of fiber strip (2) is close mutually.
6. according to the compression set of claim 1 or 2, it is characterized in that described transport establishment (15) is a belt.
7. according to the compression set of claim 6, it is characterized in that described belt (15) has eyelet (16).
8. according to the compression set of claim 1 or 2, it is characterized in that described compression set has a getter device (9) that has an air-breathing seat (17) of vacuum adapter.
9. according to the compression set of claim 8, it is characterized in that have the distance of determining between the surface with air inlet (18) of described air-breathing seat (17) and the described cover plate (30), this is apart from passing through that the described transport establishment of assurance (15) is not held.
10. according to the compression set of claim 9, it is characterized in that this distance guarantees by spacer.
11. the compression set according to claim 9 or 10 is characterized in that, described air-breathing seat (17) is supported on the described cover plate (30) with a nose (19).
12. the pneumatic compression method of fiber strip (2), wherein fiber strip (2) not only stands the air-flow on the fiber traffic direction, and stand a vertical with it air-flow, it is characterized in that described method utilization is carried out according to each described pneumatic compression device in the claim 1 to 11.
13. the compression method according to claim 12 is characterized in that, the speed of the air of enforcement compression is higher a lot of times than the speed of the fiber strip (2) that flows.
14. the compression method according to claim 13 is characterized in that, the speed of implementing the air of compression is approximately the twice of the speed of mobile fiber strip (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10214641.1 | 2002-04-02 | ||
| DE2002114641 DE10214641B4 (en) | 2002-04-02 | 2002-04-02 | Pneumatic compacting device for a fiber composite and method for pneumatically compacting a fiber composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1646744A CN1646744A (en) | 2005-07-27 |
| CN100352983C true CN100352983C (en) | 2007-12-05 |
Family
ID=28458538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038078279A Expired - Fee Related CN100352983C (en) | 2002-04-02 | 2003-03-29 | Pneumatic compaction device for a fiber assembly and method for pneumatically compacting a fiber assembly |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1490539B1 (en) |
| JP (1) | JP4156525B2 (en) |
| CN (1) | CN100352983C (en) |
| DE (1) | DE10214641B4 (en) |
| ES (1) | ES2261930T3 (en) |
| WO (1) | WO2003083192A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10322575A1 (en) * | 2003-05-20 | 2004-12-09 | Saurer Gmbh & Co. Kg | Ring spinning machine with compaction devices |
| DE102005045451B4 (en) * | 2005-09-22 | 2008-05-08 | Oerlikon Textile Gmbh & Co. Kg | Device for compacting a fiber structure |
| CN104131371A (en) * | 2014-07-07 | 2014-11-05 | 吴江市金桥纺织品有限公司 | Compact spinning device |
| DE102019113796A1 (en) * | 2019-05-23 | 2020-11-26 | Saurer Spinning Solutions Gmbh & Co. Kg | Compaction device for a spinning machine, drafting system with the compaction device and method for operating the compaction device |
| DE102019128326A1 (en) * | 2019-10-21 | 2021-04-22 | Saurer Spinning Solutions Gmbh & Co. Kg | Compaction device for a drafting device of a spinning machine and drafting device for a compression device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048298C (en) * | 1994-07-25 | 2000-01-12 | 里特机械公司 | Spinning method and machine in which capped suction roll is used in stretching mechanism |
| CN1049026C (en) * | 1994-07-25 | 2000-02-02 | 里特机械公司 | Spin machine with suction roll on stretching apparatus |
| CN1056892C (en) * | 1993-07-14 | 2000-09-27 | 斯图加特德国纺织及纤维研究所 | Double apron drawing equipment |
| US6134872A (en) * | 1998-12-04 | 2000-10-24 | Zinser Textilmaschinen Gmbh | Method of and apparatus for producing a compacted yarn |
| US6341484B2 (en) * | 2000-02-24 | 2002-01-29 | Zinser Textilmaschinen Gmbh | Drafting frame for a spinning machine |
| DE10042689A1 (en) * | 2000-08-31 | 2002-03-14 | Fritz Stahlecker | Condensing stage for drawn sliver, at the spinner sliver drawing unit, has a structured shrouding over the sliding surface forming an air entry gap without contact with the sliver moving over the suction slit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19722528C2 (en) * | 1997-03-08 | 2003-09-25 | Inst Textil & Faserforschung | The double apron drafting system |
-
2002
- 2002-04-02 DE DE2002114641 patent/DE10214641B4/en not_active Expired - Fee Related
-
2003
- 2003-03-29 JP JP2003580619A patent/JP4156525B2/en not_active Expired - Fee Related
- 2003-03-29 EP EP03718644A patent/EP1490539B1/en not_active Expired - Lifetime
- 2003-03-29 CN CNB038078279A patent/CN100352983C/en not_active Expired - Fee Related
- 2003-03-29 WO PCT/DE2003/001041 patent/WO2003083192A1/en active IP Right Grant
- 2003-03-29 ES ES03718644T patent/ES2261930T3/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056892C (en) * | 1993-07-14 | 2000-09-27 | 斯图加特德国纺织及纤维研究所 | Double apron drawing equipment |
| CN1048298C (en) * | 1994-07-25 | 2000-01-12 | 里特机械公司 | Spinning method and machine in which capped suction roll is used in stretching mechanism |
| CN1049026C (en) * | 1994-07-25 | 2000-02-02 | 里特机械公司 | Spin machine with suction roll on stretching apparatus |
| US6134872A (en) * | 1998-12-04 | 2000-10-24 | Zinser Textilmaschinen Gmbh | Method of and apparatus for producing a compacted yarn |
| US6341484B2 (en) * | 2000-02-24 | 2002-01-29 | Zinser Textilmaschinen Gmbh | Drafting frame for a spinning machine |
| DE10042689A1 (en) * | 2000-08-31 | 2002-03-14 | Fritz Stahlecker | Condensing stage for drawn sliver, at the spinner sliver drawing unit, has a structured shrouding over the sliding surface forming an air entry gap without contact with the sliver moving over the suction slit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1646744A (en) | 2005-07-27 |
| WO2003083192A1 (en) | 2003-10-09 |
| EP1490539A1 (en) | 2004-12-29 |
| JP2005521802A (en) | 2005-07-21 |
| EP1490539B1 (en) | 2006-05-10 |
| ES2261930T3 (en) | 2006-11-16 |
| JP4156525B2 (en) | 2008-09-24 |
| DE10214641A1 (en) | 2003-10-23 |
| DE10214641B4 (en) | 2007-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: The German city of Remscheid leiwo Guselu No. 65 Patentee after: Oerlikon Textile GmbH & Co. KG Address before: The German Monchengladbach Patentee before: Saurer GmbH & Co. KG |
|
| C56 | Change in the name or address of the patentee |
Owner name: OERLIKON TEXTILE GMBH + CO KG Free format text: FORMER NAME: SCHEUFLER GMBH + CO. KG |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20120329 |