CN1550586A - Apparatus for collecting a comb rack - Google Patents
Apparatus for collecting a comb rack Download PDFInfo
- Publication number
- CN1550586A CN1550586A CNA200410043395XA CN200410043395A CN1550586A CN 1550586 A CN1550586 A CN 1550586A CN A200410043395X A CNA200410043395X A CN A200410043395XA CN 200410043395 A CN200410043395 A CN 200410043395A CN 1550586 A CN1550586 A CN 1550586A
- Authority
- CN
- China
- Prior art keywords
- air draught
- zone
- fibre sliver
- draught groove
- edge
- 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.)
- Pending
Links
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
- D01H5/72—Fibre-condensing guides
-
- 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
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
A textile ring spinning machine has a fibre compression stage for drafted loose fibres as they are between two fixing points over a sickle-shaped suction slit (14) with a funnel-shaped inlet. The inlet translates to the sickle-shaped section with parallel edges. The fibres impinge first on the convex edge and then on the concave edge. - The sickle-shaped edges follow a circle segment profile. The funnel shaped inlet has a one edge which translates at a tangent into the convex zone, and a second edge which translates through a dogleg profile to the concave sickle-shaped zone.
Description
Technical field
The present invention relates to a kind of drawing-off device of the fibre sliver of no twist still that gathers, fibre sliver is pressed the air draught groove that the fibre sliver throughput direction extends by each ventilative delivery element guiding by one substantially between the jaw line, the air draught groove has one with crescent zone protruding and recessed Restricted edge.
Background technology
If one the fibre sliver of drawing-off be right after and after draw zone, obtain a twist, produce a so-called spinning triangular zone usually.Therefore the drawn fiber sliver to be that width with regulation leaves the front roller of drafting system right, and twist into a yarn than minor diameter.Spinning triangular zone contains the unordered edge fiber that is wound into twisted yarn, and they to the brute force of resultant yarn seldom or have no to help.Therefore in recent years, people trend towards adding a so-called district that gathers at the draw zone of drafting system, gather district itself and be by the jaw line at outlet side as description.Yarn obtains twisting after this gathers the district.Fiber is boundling or gather in gathering the district, and progressively stenosis is narrow when leaving last jaw line for fibre sliver like this, and spinning triangular zone almost disappears.The yarn that is spun into becomes more even, and powerful better and filoplume still less.
Announced various types of devices of the fibre sliver of no twist still of drawing-off that gather recently, wherein this have the device of air draught groove that a sickleshaped zone is arranged.
German patent DE 100 51 411 A1 have announced this class device of prior art.This patent specification has been showed the shape and the configuration of many air draught grooves, and several crescent forms are wherein also arranged.What be worth paying special attention to is (the 4th hurdle the 4th walks to the 7th row), and fibre sliver is directed through more than one or a plurality of air draught groove.Another kind of scheme does not disclose in the document, and promptly fibre sliver to be gathered is directed whole length through an air draught groove by its throughput direction.Particularly why the air draught groove of not discussing with a crescent zone should be able to have the good especially value of gathering.
DE 43 43 437 A1 disclose a fibre sliver to be gathered, and in order to be divided into two single components better, should remerge through after gathering.For this reason, the fibre sliver of a broad is divided into two independent fibre slivers by two air draught grooves, and two air draught grooves respectively have a crescent curve and this two air draught grooves to be merged into single air draught groove again after gathering here.The reaping hook shape of air draught groove only is used for separating of fibre sliver and can unifies and determine.From this patent publications, do not provide a fibre sliver that gathers in the more favourable enlightenment of crescent zone suction.
German patent DE 196 23 824 A1 disclose a similar device, also are the fibre sliver of a broad is divided into two independent fibre slivers by the air draught groove of two crescents, are not to be combined to one then, but before are advanced into twisting mechanism separately.Here crescent is to be used for making the spacing of two air draught grooves to keep size like this, does not promptly produce so-called fiber between the air draught groove and puts up a bridge.Then these two fibre slivers are close mutually again, and sliver can be such as being pressed to a live-roller by a pressure roller.Using a crescent air draught groove when also not being disclosed in the yarn of producing single boundling in this patent publications might comparatively favourable enlightenment.
Last German patent DE 198 37 180 A1 also disclose a kind of apparatus for collecting, perforated rotary disk of configuration in the drawing-off plane between two jaw lines, and it makes fibre sliver play some guide effects when gathering.Be provided with a crescent air draught groove for this reason, be referred to as " dartlike weapon shape " in this patent specification, latter's general arrangement is in the circumference of disk.The crescent zone of air draught groove just is used for making fiber to move along with the circumference of disk really by rotating disk.
Summary of the invention
The applicant recognizes that adjacent alignment can not only play in a crescent district of air draught groove, and also can obtain the particularly advantageous value of gathering under good design.Therefore task of the present invention is to design the device of the above-mentioned type, can obtain the good especially value of gathering.
The method that solves this task is, the air draught groove is filled into a sickleshaped, keeps the zone of identical slot width substantially from a tubaeform initiation region that diminishes gradually, here fibre sliver is pressed throughput direction at first near protruding Restricted edge, then near recessed Restricted edge.
Importantly, the at first tubaeform initiation region that diminishes gradually must under any circumstance can both " capture " fibre sliver that traverses transverse to throughput direction usually as common spinning machine in this technical scheme.Real gathering is the crescent zone that occurs in the air draught groove, and the width of groove is to consider and should roughly keep identical from actual cause fully, but is not to force requirement like this.Importantly, fibre sliver is owing to be crescent, under the effect of delivery element and suction airstream successively respectively near Restricted edge to a side.The air draught groove is because crescent and approximately some departs from accurate throughput direction, causes delivery element to have one to the component of a Restricted edge wherein, at first is towards protruding Restricted edge specifically, then towards recessed Restricted edge.Like this, gather the width that does not depend on the air draught groove, because fibre sliver rolling when wherein a Restricted edge reclines slightly, owing to thisly roll just so-called false twisting, it does not disturb and obtains a later twist.Effectively gathering of fibre sliver played in false twisting, promptly successively near two different Restricted edge to the air draught groove.
The air draught groove of this shape has only just show it is favourable when fibre sliver contains the fiber of being longer than two jaw distance between centers of tracks.If it is favourable having under certain overfeeding situation, promptly fibre sliver is to enter with a little higher than its output speed on second jaw line to gather when district.
Consider that from the production reason Restricted edge in the crescent zone is designed to circular arc and suits.For example when the air draught well width was 2mm, the circular arc in protruding zone had the radius of 24mm and the radius that the circular arc in recessed zone has 26mm.
Under the optimal way, there is article one side the initiation region, and it tangentially carries out the transition to the Restricted edge of projection.This point makes fibre sliver not have the crooked Restricted edge that it had before reclined that enters.Article one, the inlet angle of side is such as about 23 °.
Under optimal way, article one side is relative with a second side, and this second side is with respect to recessed Restricted edge bending.Make fibre sliver work as it like this and turn round when this side of protruding Restricted edge enters the air draught groove, at first quickly the Restricted edge of guide protrusions.The inlet angle of second side is such as can being 12 °.
Total shows that the good value of gathering is to obtain with such physical dimension, and promptly the width of air draught groove in its initiation region approximately is three times of the regional slot width of crescent.Carry out the transition to the 2mm slot width in crescent zone from the initial width of 6mm such as the air draught groove.Here, if the sickleshaped zone design becomes about 2/3 air-breathing slot length, prove preferably.If the air draught slot length is about 30mm, the sickleshaped zone should be 20mm.
Other advantages of the present invention and feature can be learnt from a following illustrated embodiment.
Description of drawings
Fig. 1 is according to a device partial cross section view of the present invention;
Fig. 2 is along the view of arrow II direction among Fig. 1, and in order to come into plain view, relevant roller all dispenses.
The specific embodiment
Fig. 1 and Fig. 2 have only represented collecting one that a spinning machine mainly is ring throstle drawing-off device 1 zone of the fibre sliver of no twist still.Device 1 is close to the back that is positioned at drafting system 3, only shows a pair of front roller 4 and a pair of apron that is placed in the place ahead along throughput direction A of drafting system, promptly descends apron 5 and upper leather ring 6.Front roller comprises a driven preceding bottom roll 7 and an elasticity pressure preceding pressure roller 8 thereon to 4.Therefore front roller constitutes the preceding jaw line 9 of the draw zone terminal point of drafting system 3 to 4 qualifications.
A fibre sliver or a rove are drawing to desired fineness by throughput direction A by mode known to everybody in drafting system 3.This drawing-off is to stop at preceding jaw line 9, and the fibre sliver at this place is drawing-off but no twist.Prevent well-known imperfect spinning triangular zone or dwindle spinning triangular zone that fibre sliver 2 is right after and gathers district 10 at one gather after jaw line 9 in order to twist.
For the device 1 that gathers setting comprises a ventilative delivery element 11, this delivery element is such as being designed to the fine mesh flimsy material that plastic cord is made into, and the fibre sliver 2 that delivery element should gather is carried by gathering district 10.Another kind of optionally scheme is to use a kind of air-breathing roller of prior art design as already mentioned.Installing 1 in addition has a special-shaped aspiration channel 12 that is designed to be under the negative pressure, and it can extend to many spinning spindle positions.Aspiration channel 12 has the sliding surface 13 of a guiding delivery element 11.
The air draught groove 14 that is transferred element 11 coverings is to be arranged in sliding surface 13, is the throughput direction A that is distributed in fibre sliver 2 substantially.Aspiration channel 12 is to be connected with a not shown negative pressure source via vacuum connection tube 15.If aspiration channel 12 many spinning spindle positions that are extend pasts, then each joint machine only need have a vacuum connection tube 15.
Gather district's outlet side of 10 and be and be subjected to one and grip roller 16 and define, this roller presses fibre sliver 2 and banded delivery element 11 on sliding surface 13, limits output jaw line 17 simultaneously, and the latter aligns the spinning twisting of carrying out and plays only sth. made by twisting effect.Grip roller 16 and drive banded delivery element 11, and itself is by a cog belt 18 or the pressure roller 8 beginning transmissions in the past of another driving member.
By yarn is input to a not shown twisting mechanism by outbound course B, such as a ring ingot, the yarn 19 of formation obtains its spinning twist after output jaw line 17 comes out.Aspect this spinning twisting, output jaw line 17 plays only sth. made by twisting effect, thereby the unlikely extension of spinning twisting returns to and gathers in the district 10.
Banded delivery element 11 is subjected to a tension element tensioning on this opposite face of air draught groove, tension element can be designed to a fixed bar or guide roller.The arrangement of tension element 20 should make delivery element 11 abut on the preceding bottom roll 7 with light pressure.Because delivery element 11 and preceding bottom roll 7 reverses at contact point, the some fibre tomentum of adhesion cleans on this moment delivery element 11.
As can be seen from Figure 2, air draught groove 14 has a crescent zone 21 with a protruding Restricted edge 22 and a recessed Restricted edge 23.Air draught groove 14 terminates near before the output jaw line 17.
In addition as seen from Figure 2, air draught groove 14 at first has a tubaeform initiation region that diminishes gradually 24, carries out the transition to the crescent zone 21 of basic identical slot width s then.Restricted edge 22 and 23 can be designed to circular arc.In addition, the fibre sliver 2 of pressing outbound course A output is at first near protruding Restricted edge 22, more then near arriving recessed Restricted edge 23.
There is article one side 25 initiation region 24, and this side tangentially carries out the transition to protruding Restricted edge 22.Article one, side 25 is relative with a second side 26, and the latter 27 is that a tangible arc becomes folding with respect to protruding Restricted edge 23 in the inflection point certainly.
The initial width a of air draught groove 14 in its initiation region 24 roughly is three times of slot width in the crescent zone 21.Crescent zone 21 adds up to 2/3rds of air draught groove 14 length.
Claims (6)
1. one is gathered a drawing-off device of the fibre sliver of no twist still, fibre sliver is pressed the air draught groove that the fibre sliver throughput direction extends by a ventilative delivery element guiding by one substantially between the jaw line, this air draught groove has one with crescent zone protruding and recessed Restricted edge, it is characterized in that, air draught groove (14) carries out the transition to slot width (s) essentially identical crescent zone (21) from a tubaeform initiation region that diminishes gradually (24), here fibre sliver (2) at first clings to protruding Restricted edge (22) by throughput direction (A), clings to recessed Restricted edge (23) then.
2. according to the device of claim 1, it is characterized in that the Restricted edge (22,23) in crescent zone (21) is designed to circular arc.
3. according to the device of claim 1 or 2, it is characterized in that initiation region (24) have article one side (25), this side tangentially carries out the transition to protruding Restricted edge (22).
4. according to the device of claim 3, it is characterized in that a second side (26) is relative with article one side (25), and bend with respect to protruding Restricted edge (23).
5. according to one of in the claim 1 to 4 device, it is characterized in that the initial width (a) of air draught groove (14) in its initiation region (24) approximately is three times of slot width (s) in the crescent zone (21).
6. according to one of in the claim 1 to 5 device, it is characterized in that crescent zone (21) add up to 2/3rds of air draught groove (14) length.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003121891 DE10321891A1 (en) | 2003-05-07 | 2003-05-07 | Textile ring spinning machine fibre compression station for loose drafted fibres has sickle-shaped slit with funnel inlet to parallel side edges |
| DE10321891.2 | 2003-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1550586A true CN1550586A (en) | 2004-12-01 |
Family
ID=33440850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200410043395XA Pending CN1550586A (en) | 2003-05-07 | 2004-05-08 | Apparatus for collecting a comb rack |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1550586A (en) |
| DE (1) | DE10321891A1 (en) |
| IT (1) | ITMI20040645A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643950B (en) * | 2008-08-04 | 2011-10-05 | 株式会社丰田自动织机 | Fiber bundle collecting device for spinning machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213277A (en) * | 2014-10-05 | 2014-12-17 | 周盈裕 | Leather ring for textile machine |
-
2003
- 2003-05-07 DE DE2003121891 patent/DE10321891A1/en not_active Withdrawn
-
2004
- 2004-03-31 IT ITMI20040645 patent/ITMI20040645A1/en unknown
- 2004-05-08 CN CNA200410043395XA patent/CN1550586A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643950B (en) * | 2008-08-04 | 2011-10-05 | 株式会社丰田自动织机 | Fiber bundle collecting device for spinning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20040645A1 (en) | 2004-06-30 |
| DE10321891A1 (en) | 2004-12-09 |
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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 | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |