CN104695071A - Negative pressure type compact spinning head-lapping method - Google Patents
Negative pressure type compact spinning head-lapping method Download PDFInfo
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- CN104695071A CN104695071A CN201510091155.5A CN201510091155A CN104695071A CN 104695071 A CN104695071 A CN 104695071A CN 201510091155 A CN201510091155 A CN 201510091155A CN 104695071 A CN104695071 A CN 104695071A
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- yarn
- roller
- negative pressure
- pressure type
- lapping
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to a negative pressure type compact spinning head-lapping method. The method comprises the step of adopting a double-leather-roller head lapping method on a negative pressure type compact spinner, namely lapping the head and spinning at a jaw formed by a front leather roller and a front roller, wherein the double-leather-roller head lapping method specifically comprises six steps of tube drawing, end finding, yarn guiding, tube insertion, guide wire twisting and head lapping; the length of the guided yarn is shortened as far as possible under the situation of not influencing tube insertion and yarn lifting. The negative pressure type compact spinning head-lapping method disclosed by the invention has the advantages as follows: the double-leather-roller head lapping method is adopted; the head is lapped at the front leather roller position; compared with the lapping length and the roughness of the single leather roller lapping, the lapping length and the roughness are more obvious; in the automatic winding procedure, the lap can be identified as a yarn fault to be cut off more easily, so that the nub faults formed by the lap can be reduced to the lowest extent, the slight nub faults of the resultant yarn can be obviously reduced, and the cloth cover quality can be improved.
Description
Technical field
The present invention relates to textile technology field, particularly a kind of negative pressure type compact spinning joining seam method.
Background technology
During upgrading at textile industry, novel spinning technique continues to bring out, wherein negative pressure type compact spinning technique seems particularly outstanding, it has installed a Nesting Zone additional between frame spinning twist triangle zone drawing-off effect and twisting effect, adopt airflow function, yarn is carried out gathering to assemble, make sliver width reduction, increase in density when exporting, adopt simultaneously and assemble roller, make it, along front roller surface undershoot, to essentially eliminate the grip hold arc of yarn on front roller surface, reduce the height of twist triangle zone, thus greatly reduce resultant yarn filoplume, improve yarn strength.Such yarn is commonly used in high-grade woven fabric at present, because of its fabric tightness, through the contrast of weft yarn aberration obviously, all kinds of fault of easy exposure, and the joint after spinning process broken end will form slight " slubbing " fault, if automatic winding operation is not cut, " slubbing " fault will be caused on cloth cover.
As shown in Figure 1, cause the main cause of this type of fault to be that current joining seam method is assembling roller 1 place joining seam, form 1.5 times of the not enough yarn of joint rugosity, length is shorter again, and automatic winder is difficult to is identified as yarn defect and excises, thus has flowed into later process.
Therefore, research and development one can be convenient to automatic winder identification yarn defect and excise, and reduce slight " slubbing " yarn defect of resultant yarn, the negative pressure type compact spinning joining seam method improving fabric quality is imperative.Through retrieval related documents, do not find the same or analogous technical scheme with the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and can be convenient to automatic winder identification yarn defect and excises, and reduces slight " slubbing " yarn defect of resultant yarn, improves the negative pressure type compact spinning joining seam method of fabric quality.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of negative pressure type compact spinning joining seam method, its innovative point is: described method is on the spinning machine installing negative pressure type compact spinning, adopt two roller joining seam method, namely spins at the jaw place joining seam that front leather roller and front roller form.
Further, the concrete steps of described pair of roller joining seam method are as follows:
(1) tube drawing: be main, unknown, little finger of toe with left hand middle finger be that auxiliary spool of holding is extracted, tube drawing wants light, fast;
(2) change: pinch loose thread with hand thumb and forefinger and drawn by sliver, finds loose thread position and wants fast;
(3) draw yarn: drawn by spool by yarn, then take steel traveler out of with right hand forefinger and to link closely steel traveler with finger tip;
(4) intubate: under slightly firmly spool vertically being inserted;
(5) around twizzle: the yarn in steel traveler in step (3) is upwards walked around twizzle;
(6) joint: first the yarn in twizzle in step (5) is carried yarn through assembling roller and the jaw assembled roller and form, is then introduced into the jaw place that front leather roller and front roller form and carries out joint by yarn.
Further, in described step (3), the length of drawing yarn shortens when not affecting intubate and carrying yarn as far as possible.
Further, the joint rugosity that the described pair of roller joining seam method is formed at 1.5 ~ 2 times of yarn, length > 2cm.
The invention has the advantages that:
(1) negative pressure type compact spinning joining seam method of the present invention, adopt the jointing method of two roller joining seam, will originally at gathering roller place joining seam, change at front leather roller place joining seam, joint length and rugosity compared with the joint length of single-skin drum roller joining seam and rugosity all obvious, automatic winding operation is more easy to identify cut for yarn defect, and " slubbing " fault that joining seam is formed is minimized, thus significantly reduce slight " slubbing " yarn defect of resultant yarn, improve fabric quality;
(2) concrete steps of of the present invention pair of roller joining seam method are specifically divided into tube drawing, change, draw yarn, intubate, around twizzle and joint six steps, improve joining seam efficiency;
(3), in of the present invention pair of roller joining seam method, the length of drawing yarn shortens when not affecting intubate and carrying yarn as far as possible, thus avoids affecting subsequent operation, ensures that joining seam carries out smoothly;
(4) the joint rugosity that formed of two roller joining seam method is at 1.5 ~ 2 times of yarn, and length > 2cm, automatic winder is easy to be identified as yarn defect and excised.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional joining seam method.
Fig. 2 is the structural representation of a kind of negative pressure type compact spinning joining seam of the present invention method.
Fig. 3 for adopt in spinning process traditional joining seam method produce the blackboard pull head resolution chart of yarn.
Fig. 4 for adopt in spinning process a kind of negative pressure type compact spinning joining seam of the present invention method produce the blackboard pull head resolution chart of yarn.
Detailed description of the invention
embodiment 1
As shown in Figure 2, the invention discloses a kind of negative pressure type compact spinning joining seam method, the method is on the spinning machine installing negative pressure type compact spinning, adopt two roller joining seam method, and the jaw place joining seam namely formed at front leather roller 3 and front roller 4 spins.
The concrete steps of above-mentioned pair of roller joining seam method are as follows:
(1) tube drawing: be main, unknown, little finger of toe with left hand middle finger be that auxiliary spool 5 of holding is extracted, tube drawing wants light, fast;
(2) change: pinch loose thread with hand thumb and forefinger and drawn by sliver, finds loose thread position and wants fast;
(3) draw yarn: drawn by spool by yarn, then take steel traveler 6 out of with right hand forefinger and to link closely steel traveler 6 with finger tip; The length of drawing yarn shortens when not affecting intubate and carrying yarn as far as possible;
(4) intubate: under slightly firmly spool 5 vertically being inserted;
(5) around twizzle: the yarn in steel traveler 6 in step (3) is upwards walked around twizzle 7;
(6) joint: first the yarn in twizzle 7 in step (5) is carried yarn through assembling roller 1 and the jaw assembled roller 2 and form, is then introduced into the jaw place that front leather roller 3 and front roller 4 form and carries out joint by yarn.
In the present embodiment, adopt the joint rugosity of two roller joining seam method formation at 1.5 ~ 2 times of yarn, length > 2cm.
For CF50s kind, on the DTM129 fine spining machine having installed Luo Kasi compact spinning, on the same stage, same to ingot, twist with the fingers 11.7tex yarn with rove spinning combed cotton compact spinning Z, spinning process parameter is as shown in following table table 1, each test 240 cops, carry out a joining seam respectively by conventional aggregation roller place joining seam method and the two roller joining seam method of the present invention by all means by every, adopt Chang Ling yarn flaw instrument test cop, cylinder yarn 10 myriametre yarn defect, analyze data as shown in following table table 2
Table 1 spinning process parameter
| Kind | CF50s |
| Ingot speed | 15700r/min |
| Regular roving feeding | 6.5g/10m |
| The design twist | 113.4 sth. made by twisting/10cm |
| Total draft multiple | 60.3 times |
| First break draft multiple | 1.32 doubly |
Table 20 myriametre yarn defect number
After above-mentioned spinning process, automatic winder follows the tracks of contrast yarn cutting situation and cylinder yarn yarn defect on the same stage, with ingot, and winding process parameter is as shown in following table table 3, and method of testing adopts SAVIO bobbin winder to contrast 100 myriametre yarn defects shearing situations and analyzes, analyze data as shown in following table table 4
Table 3 winding process parameter
| N | 3.8 |
| DS×LS | 1.81×1.4cm |
| DL×LL | 1.22×30cm |
| －D×－L | －18%×30cm |
| Wrong subchannel | －5.5%～＋7.8% |
| Linear velocity | 1050m/min |
Table 4 automatic winding yarn cutting number
| 100 myriametre yarn cutting numbers | Total yarn cutting defect | Cotton knot | Short and thick | Long thick | Long thin | Yarn count makes a variation | Myriametre shears number |
| Conventional method | 432 | 172 | 210 | 12 | 1 | 10 | 4.16 |
| The present invention | 444 | 165 | 254 | 16 | 1 | 14 | 4.21 |
After above-mentioned winding procedure, also carry out the test of blackboard pull head to yarn, the test result of conventional method is illustrated in fig. 3 shown below, and test result of the present invention is illustrated in fig. 4 shown below.
The result of the test of above spinning process and winding procedure shows, adopt joining seam method of the present invention, total yarn cutting number of winding procedure, production efficiency are not affected, and the yarn defect of cylinder yarn obviously reduces, reach about 30%, particularly C1, C2, D1 class is to the far-reaching harmful yarn defect of cloth cover, and the former is 4, the latter is 0, obviously will improve fabric quality.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. a negative pressure type compact spinning joining seam method, is characterized in that: described method is on the spinning machine installing negative pressure type compact spinning, adopt two roller joining seam method, namely spins at the jaw place joining seam that front leather roller and front roller form.
2. negative pressure type compact spinning joining seam method according to claim 1, is characterized in that: the concrete steps of described pair of roller joining seam method are as follows:
Tube drawing: be main, unknown, little finger of toe with left hand middle finger be that auxiliary spool of holding is extracted, tube drawing wants light, fast;
Change: pinch loose thread with hand thumb and forefinger and drawn by sliver, finds loose thread position and wants fast;
Draw yarn: drawn by spool by yarn, then take steel traveler out of with right hand forefinger and to link closely steel traveler with finger tip;
Intubate: under slightly firmly spool vertically being inserted;
Around twizzle: the yarn in steel traveler in step (3) is upwards walked around twizzle;
Joint: first the yarn in twizzle in step (5) is carried yarn through assembling roller and the jaw assembled roller and form, is then introduced into the jaw place that front leather roller and front roller form and carries out joint by yarn.
3. negative pressure type compact spinning joining seam according to claim 2, is characterized in that: in described step (3), and the length of drawing yarn shortens when not affecting intubate and carrying yarn as far as possible.
4. negative pressure type compact spinning joining seam according to claim 1, is characterized in that: the joint rugosity that the described pair of roller joining seam method is formed at 1.5 ~ 2 times of yarn, length > 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510091155.5A CN104695071A (en) | 2015-02-28 | 2015-02-28 | Negative pressure type compact spinning head-lapping method |
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| CN201510091155.5A CN104695071A (en) | 2015-02-28 | 2015-02-28 | Negative pressure type compact spinning head-lapping method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458078A1 (en) * | 1990-05-22 | 1991-11-27 | S. BIGAGLI & C. SpA | Method and device to tear roving in spinning machines |
| EP1225258B1 (en) * | 2001-01-23 | 2004-03-24 | Saurer GmbH & Co. KG | Process for manufacturing staple fibre yarns |
| CN101353837A (en) * | 2007-07-24 | 2009-01-28 | 青岛云龙纺织机械有限公司 | Drawer air pressure automatic open-end spinning machine |
| CN102108571A (en) * | 2010-12-09 | 2011-06-29 | 安徽华茂纺织股份有限公司 | Joint operation method for spun yarns to wind around leather roller |
| CN202401196U (en) * | 2012-01-11 | 2012-08-29 | 王建波 | Device for automatically detecting broken end and jointing end of spun yarns |
-
2015
- 2015-02-28 CN CN201510091155.5A patent/CN104695071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458078A1 (en) * | 1990-05-22 | 1991-11-27 | S. BIGAGLI & C. SpA | Method and device to tear roving in spinning machines |
| EP1225258B1 (en) * | 2001-01-23 | 2004-03-24 | Saurer GmbH & Co. KG | Process for manufacturing staple fibre yarns |
| CN101353837A (en) * | 2007-07-24 | 2009-01-28 | 青岛云龙纺织机械有限公司 | Drawer air pressure automatic open-end spinning machine |
| CN102108571A (en) * | 2010-12-09 | 2011-06-29 | 安徽华茂纺织股份有限公司 | Joint operation method for spun yarns to wind around leather roller |
| CN202401196U (en) * | 2012-01-11 | 2012-08-29 | 王建波 | Device for automatically detecting broken end and jointing end of spun yarns |
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