CN103160971A - Method for improving yarn evenness of spun yarns based on oval yarn path - Google Patents
Method for improving yarn evenness of spun yarns based on oval yarn path Download PDFInfo
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- CN103160971A CN103160971A CN 201110424446 CN201110424446A CN103160971A CN 103160971 A CN103160971 A CN 103160971A CN 201110424446 CN201110424446 CN 201110424446 CN 201110424446 A CN201110424446 A CN 201110424446A CN 103160971 A CN103160971 A CN 103160971A
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Abstract
The invention relates to a device for improving the yarn evenness of yarns by using a vortex spray pipe with an oval yarn path, and belongs to the technical field of textile engineering. The device is named the vortex spray pipe for short. The vortex spray pipe is mainly composed of the yarn path and an air path, mounted on a rack of a spinning machine, and placed between a front roller and a snail wire. During usage, yarns which pass through the center of the yarn path are under the action of airflow which is vertically tangent to the yarn path inside the air path, the airflow which is sprayed into the yarn path from the air path forms a vortex, untwisting and twisting are conducted to the yarns with a great deal of hairiness, and thereby the hairiness is effectively reduced. Meanwhile, the yarn evenness and the strength of spun yarns are improved. The device is simple in structure, low in equipment transformation cost, and convenient to mount, thereby having good development and application value.
Description
Technical field
A kind of jet pipe that utilizes eddy current to reduce Yarn filoplume is called the eddy current jet pipe, the invention belongs to the Textile Engineering technical field, and it relates to a kind of device of novel minimizing ring spindle yarn filoplume.
Background technology
Ring throstle is most popular spinning method in the world at present, accounts for more than 90% of total spinning number of spindles.Its technical maturity, spinning quality is stable, and it is wide that examination spinning wire size is counted scope.In the ring spinning drafting system, the drafting force in preliminary draft district is with the yarn backtwisting, the fibre bundle of the drafting force of main drawing area after with backtwisting is stretched to needed fineness, at this moment in fibre bundle, the cohesive force between fiber is eliminated substantially, fibre bundle presents certain width, and can not all enter front jaw line by the twist of steel traveler transmission, yarn shrinkage in width triangularity forms twist triangle zone.The existence of twist triangle zone has caused the filoplume problem of ring spindle yarn.The filoplume of yarn refers to stretch out the fiber of yarn surface, and is very large to appearance of fabrics and performance impact.Yarn filoplume not only affect fabric ventilative, anti-fluffing and anti-pilling, outward appearance, weavy grain is clear and smooth surface etc., also affects effective utilization and the intensity of fiber in yarn.For general fabric, too much filoplume can have influence on the applicability of spinning and later process and yarn again.The state of Yarn filoplume directly has influence on weaving efficiency, cloth style and Color.Yarn filoplume comes off because being rubbed in each operation of rear road, form the flying contamination environment, be detrimental to health, also can produce new fault descends yarn and fabric quality. and filoplume is long can harmfulness when too much very big, the outward appearance that it not only affects yarn also can affect rear processing, causes that starching is bad, the loom opening is unclear, degradation under loom efficiency.
The filoplume that reduces yarn is the important channel of improving yarn and fabric quality, and the method for at present main minimizing filoplume is as follows: (1) optimizes spinning process, such as the twist factor that suitably improves yarn, choose reasonable raw material etc.But the amplitude that yarn qualities improves is less; (2) compact spinning (Compact Spinning) can make the filoplume more than spun yarn 3mm significantly reduce as the Com4 compact spinning equipment of Rieter.But shortcoming is: equipment investment is large, fixed cost is with the start cost is high, mechanism is complicated, and transformation is difficult; (3) the match network spins (Sirospun), and this technology is to reducing Yarn filoplume, and improving yarn qualities has certain effect, but is confined to produce ply yarn structure class yarn; (4) jet RING SPINNING (Jet-ring spinning), this technology is improved filoplume by nozzle is installed on fine spining machine, but this nozzle is to be positioned at conplane 4 micropores by axis to produce eddy current and reduce filoplume, requirement on machining accuracy is very high, and the yarn that the more common RING SPINNING of intensity of the yarn of this method production is produced is low, therefore is difficult to Industry Promotion.
Summary of the invention
For the problem of above-mentioned existence, the purpose of this invention is to provide a kind of eddy current jet pipe that utilizes, effectively reduce the device and method of Yarn filoplume.
Technical scheme of the present invention: a kind of jet pipe that utilizes eddy current to reduce Yarn filoplume, be called the eddy current jet pipe, it is characterized in that: the eddy current jet pipe is 4. mainly by air flue
With the yarn road
Form.The yarn road is vertical tangent in the intersection with air flue, and the axis of air flue is arranged in yarn road length l
1: l
2=3 places, the diameter d of air flue
1Be 0.7mm-1.2mm; The cross sectional shape in yarn road is oval, and its major axis is 2mm-5mm, the length of minor axis be major axis 0.6-0.9 doubly, yarn road length is 12mm-42mm.
The application of described eddy current jet pipe: rove 1. pass through drafting system 2. after, 3. 5. spun yarn is fed the eddy current jet pipe by delivery roller.The eddy current jet pipe is fixed on the below of delivery roller, and its setting angle is identical with roller stand, and the top of eddy current jet pipe is 6.5-12.5cm apart from delivery roller.After the effect of spun yarn through the eddy current jet pipe, then by twizzle 6., steel traveler 8., rings 9., be wound up into by spindle 10. the bobbin of transmission 7. go up.In spinning process, pressure (gauge pressure) enters the yarn road for the compression of 0.05MPa-0.25MPa, dry air by the air flue of eddy current jet pipe.
After dried compressed air stream enters the eddy current jet pipe, because air flue is vertical tangent in the intersection with the yarn road, air-flow will expand in the yarn road, rotation, and in air flue left and right sides yarn road, the direction of rotation of air-flow is opposite.When spinning is twisted with the fingers to the yarn of twisting with the fingers for Z, opposite near the twist direction of the direction of rotation of air-flow in the yarn road of delivery roller side and yarn, the suitable backtwisting of yarn quilt; The direction of rotation of the air flue swirling eddy of close twizzle side is identical with the direction of Yarn twisting, and yarn will be twisted under loose state again, and the filoplume that this effect is conducive to yam surface is involved in the trunk of yarn, thereby effectively reduces filoplume.
Beneficial effect of the present invention compared with prior art, after eddy current jet pipe of the present invention was installed on traditional ring throstle, under suitable technological parameter condition, the yam surface filoplume significantly reduced, especially 3mm and above filoplume; The fracture strength of yarn obviously improves; The yarn unevenness of yarn also makes moderate progress.The thread fabric of yarn dyes more even in rear arrangement; The anti-fluffing and anti-pilling performance of fabric also is improved.In addition, this eddy spray tubular construction is simple, and the scrap build expense is low.Therefore, this eddy current jet pipe being installed on the common ring spindle spinning frame, is a kind of method that can effectively improve yarn qualities, has actual application value.
Description of drawings
Fig. 1 is equipped with the spinning process schematic diagram of eddy current jet pipe: 1. rove, 2. drafting system, 3. delivery roller, 4. eddy current spraying nozzle, 5. spun yarn, 6. twizzle, 7. bobbin, 8. steel traveler, 9. guiding principle, 10. spindle.
Fig. 2, the front view of eddy current spraying nozzle and top view:
The yarn road,
Air flue.
The specific embodiment
Raw material: the textile cotton yarn that is quantitatively 4.495g/10m.The spinning process condition is: the pressure (gauge pressure) of eddy current spraying nozzle air flue porch is 0.15MPa, and the axis of eddy current spraying nozzle air flue is 8.5cm to the distance of delivery roller; Ingot speed is 10000rpm.The major axis of eddy current spraying nozzle is that 2.4mm, minor axis are 1.9mm.The Z that the spinning twist factor is 330, fineness is 28tex twists with the fingers textile spun yarn.
The test of yarn property is carried out according to standard GB/T/T7243-1987 " Yarn filoplume assay method projection counting method ", standard GB/T/T3916-1997 " mensuration of textiles package yarn single yarn ultimate strength and elongation at break ", GB/T3292-1997 " yarn evenness textiles yarn evenness test method capacitance method ".The Performance Ratio that table 1 has been listed common ring spinning line and installed the yarn of processing after the eddy current spraying nozzle additional.
The common ring spinning line of table 1 and the Performance Ratio that installed the yarn of processing after the eddy current spraying nozzle additional are
| Yarn | The hairiness index of＜3mm | The hairiness index of＞3mm | Fracture strength cN/tex | Bar is done CV% |
| Common ring spinning line | 107.7 | 20 | 23.1 | 11.2 |
| Install eddy current spraying nozzle additional | 135.9 | 0.4 | 24.8 | 9.7 |
As can be seen from Table 1, installed additional after the eddy current spraying nozzle: the following filoplume of 3mm increases to some extent, suitably increases feel and surface state that the following filoplume of 3mm helps to improve fabric; 3mm and above hairiness index significantly reduce, and be most important for the quality that improves yarn; The fracture strength of yarn also increases to some extent; The bar evenness of yarn increases.
Therefore, by placing eddy current spraying nozzle, can facilitate, effectively improve the quality of yarn.
Claims (2)
1. a jet pipe that utilizes eddy current to reduce Yarn filoplume, be called the eddy current jet pipe, and it is characterized in that: the eddy current jet pipe is 4. mainly by air flue
With the yarn road
Form; The yarn road is vertical with air flue tangent, and the axis of air flue is arranged in yarn road length l
1: l
2=3 places, the diameter d of air flue
1Be 0.7mm-1.2mm; The cross sectional shape in yarn road is oval, and its major axis is 2mm-5mm, the length of minor axis be major axis 0.6-0.9 doubly, yarn road length is 12mm-42mm.
2. the application of the described nozzle of claim 1 is characterized in that: rove 1. pass through drafting system 2. after, 3. 4. 5. spun yarn fed the eddy current jet pipe by delivery roller; The eddy current jet pipe is fixed on the below of delivery roller, and setting angle is identical with the delivery roller seat, and 3. the top of eddy current jet pipe is 6.5-12.5cm apart from delivery roller; After the effect of spun yarn through the eddy current jet pipe, then by twizzle 6., steel traveler 8., rings 9., be wound up into by spindle 10. the bobbin of transmission 7. go up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110424446 CN103160971A (en) | 2011-12-16 | 2011-12-16 | Method for improving yarn evenness of spun yarns based on oval yarn path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110424446 CN103160971A (en) | 2011-12-16 | 2011-12-16 | Method for improving yarn evenness of spun yarns based on oval yarn path |
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| Publication Number | Publication Date |
|---|---|
| CN103160971A true CN103160971A (en) | 2013-06-19 |
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|---|---|---|---|
| CN 201110424446 Pending CN103160971A (en) | 2011-12-16 | 2011-12-16 | Method for improving yarn evenness of spun yarns based on oval yarn path |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993396A (en) * | 2014-06-06 | 2014-08-20 | 江南大学 | Spray nozzle device used for improving quality of ring spun yarn |
-
2011
- 2011-12-16 CN CN 201110424446 patent/CN103160971A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993396A (en) * | 2014-06-06 | 2014-08-20 | 江南大学 | Spray nozzle device used for improving quality of ring spun yarn |
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Application publication date: 20130619 |