CN103572443A - Method for spinning cotton-combed ramie - Google Patents
Method for spinning cotton-combed ramie Download PDFInfo
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- CN103572443A CN103572443A CN201310563133.5A CN201310563133A CN103572443A CN 103572443 A CN103572443 A CN 103572443A CN 201310563133 A CN201310563133 A CN 201310563133A CN 103572443 A CN103572443 A CN 103572443A
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- crush cutting
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Abstract
The invention relates to a method for spinning cotton-combed ramie. The method includes the steps that opening, ramie combing, pre-drawing, combing, gilling and stretch breaking are performed on the ramie, and then the processes of drawing, roving and spinning are performed, so that ramie spun yarns are obtained. The stretch breaking is performed on conventional ramie strips after combing so that ramie fibers in the ramie strips can be stretched and broken into cotton type fibers in length, the quality of stretch breaking is improved, the strips after the stretch breaking can be directly machined on cotton spinning equipment with high yield and good quality, and improving of spinning efficiency and the quality of the spun yarns is facilitated.
Description
Technical field
The invention belongs to the preparation field of ramie spinning, particularly a kind of method of combed cotton type ramie spinning.
Background technology
Traditional ramie spinning work flow is: (2 road) → combing → grilling (the 4 road) → rove → spun yarn of (degummed ramie) → softening → shredding → comb fiber crops → in advance also.Owing to existing a large amount of overlength, over-length fibre in ramee, and fibre length is seriously uneven, causes that traditional process of ramie spinning operation is assorted, long flow path, and wastage of material is serious, and yarn quality is not high.
In " ramie converter spinning processing method " (ZL200410016663.9), " a kind of ramie spinning processing method " (ZL200310108414.8), " roller needle plate composite stretch breaking and spinning equipment for ramee " is (ZL200510110059.7) etc. in patent, a kind of new ramie spinning method has all been proposed, it is converter spinning, its flow process is: (1～2 road) → combing → grilling (the 4 road) → rove → spun yarn of (degummed ramie) → crush cutting → in advance also, this technology replaces shredding and the combing two procedures in traditional handicraft by crush cutting operation, can reduce the mechanical damage to fiber, reduce fiber crops grain, improve the Length Regularity of fiber, reduce the overlength in ramie bar, over-length fibre.
But on the one hand, what adopt due to it is degummed ramie crush cutting, because keen-witted and capable harl parallel stretch degree is poor, between fiber, is mutually entangled with and is wound around serious, cause its crush cutting load large, roller pressurization is large, and machinery is easy to wear, and the runner of crush cutting bar, doubling are more, thereby affect carrying out smoothly of crush cutting operation Ji Hou road spinning, also affected yarn quality.On the other hand, road processing thereafter is also confined to utilize ramie spinning equipment to spin, but because ramie industry size is relatively little, equipment research and development fall behind, and have hindered further innovation and the development of ramie process technology and product.
At current spinning unit, the spinning line of the cotton fiber that length is short is the shortest, and the machine speed of each operation is also the fastest, and overall technology level is the highest, and the speed of production of the fibers such as the fiber crops that length is longer, hair, thin,tough silk is slow more a lot of than cotton spinning.Although from the angle of resultant yarn, fiber is longer, the brute force of its resultant yarn can be larger, and in fact, after fibre length acquires a certain degree, the increase of fibre length is just very limited to powerful contribution.In general, at present the average brute force of yarn can meet the demands substantially, and user is that to pay close attention to the brute force of yarn irregular more.Therefore, ramie can be stretch-broken to the length of 30-50mm completely, utilize cotton spinning apparatus to carry out spinning processing, this not only can improve versatility and the interchangeability of ramie spinning equipment and cotton spinning apparatus greatly, can also utilize textile industry advanced person's equipment and leading technology greatly to improve spinning speed and the output of ramie, utilize advanced cotton spinning platform, promote the development that ramie is spun.
At " a kind of ramie-cotton type spinning processing method and use equipment thereof " (ZL20110117390.4) in patent, proposed degummed ramie crush cutting to become the crush cutting bar of cotton type length, then it is spinned on cotton spinning apparatus, the technological process of its combing is: (degummed ramie) → softening → pre-crush cutting → crush cutting → in advance also → silver lap → combing → drafting (2～3 road) → rove → spun yarn.Thereafter road processing is no longer confined to ramie spinning equipment, but utilize, output is high, the measured cotton spinning spinning equipment of matter.But because it is directly to adopt degummed ramie crush cutting, especially when crush cutting is spaced after shortening, the burden of its crush cutting is heavier than the crush cutting burden in above-mentioned patent, therefore must adopt higher roller pressurization, and this will cause mechanical wear further to increase the weight of, and the runner of crush cutting bar, doubling are also more, thereby affect carrying out smoothly and ramie yarn yarn quality of crush cutting operation Ji Hou road spinning.In addition, during ramie combed yarn in patent is produced, ramie bar after crush cutting will adopt cotton type combing machine, on the one hand, cotton type combing machine faller gills etc. are not strong to thick, hard ramee adaptability, and on the other hand, current cotton combing is mainly the fiber of processing length below 35mm, the fiber of 35-50mm length is difficult to effective processing, and these all will affect carrying out smoothly of its yarn quality and spinning process.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method of combed cotton type ramie spinning, the ramie bar of the present invention after to conventional combing carries out crush cutting, fiber in ramie stripes is led and be broken into cotton type length, thereby guaranteed the quality of crush cutting bar, and crush cutting bar is directly processed on, the measured cotton spinning apparatus of matter high in output, contributes to the raising of spinning efficiency and yarn quality.
The method of a kind of combed cotton type ramie spinning of the present invention, comprise: by ramie degummed ramie in ramie spinning system, carry out according to a conventional method shredding, comb fiber crops, in advance also, combing, grilling, again it is implemented to crush cutting, then pass through drafting, rove, spinning process, obtain ramie spinning.
Described crush cutting operation is for becoming the fibre length crush cutting of ramie bar the cotton type length of 30-50mm.
The technique of described crush cutting operation is the upper leather roller diameter D of stretch breaking machine
1, D
2, D
3, D
4, D
5be 80mm, the shore hardness of each roller is 90 °, roller diameter d
1, d
2, d
3for 30mm, d
4, d
5for 50mm; Main crush cutting separates apart from l
1for 30-50mm, pre-crush cutting separates apart from l
2for 60-100mm, l spaces in main drawing area
3for 90-150mm, preliminary draft separates apart from l
4for 120-200mm; Adopt Pneumatic Pressure, its pressurization is assigned as P
1for 205-231kg, P
2for 205-231kg, P
3for 205-231kg, P
4for 127-143kg, P
5for 127-143kg; Main crush cutting district's crush cutting multiple E
1for 2.0-3.5 ，Yu crush cutting district's crush cutting multiple E
2for 1.75-2, main drawing area crush cutting multiple E
3for 1.1-1.48, preliminary draft district crush cutting multiple E
4for 1.17-1.44.
Described drafting, rove, spinning process all adopt cotton type equipment.
The proparea of described mixing in doubling step grips apart from being 40-55mm, and it is 45-60mm that back zone grips distance.
The proparea of described Roving Frames grips apart from being 55-70mm, and it is 40-55mm that back zone grips distance, roving twist factor a
tfor 80-100.The length of floating area of described spinning process is 12-20mm, and it is 40-55mm that back zone grips distance, spun yarn twist factor a
tfor 385-425.
The present invention adopts effective combination of ramie combing, combing, grilling equipment and cotton spinning drafting, rove and spun yarn equipment, and the ramie bar after combing in existing ramie spinning is carried out to crush cutting, makes after crush cutting the fibre length in ramie bar at 30-50mm.Because runner, the doubling of ramie yarn are removed in a large number, and straight, loose more than in degummed ramie of the fiber in strip, therefore, compares with the crush cutting mode in above-mentioned patent, not only can greatly alleviate the burden of crush cutting, the quality of crush cutting bar also be improved significantly.Meanwhile, the ramie bar after crush cutting can also directly adopt drafting, rove and the spun yarn equipment of cotton spinning to carry out spinning processing, because cotton spinning apparatus is advanced more than ramie equipment, therefore can greatly improve spinning efficiency and yarn quality.
Compare with existing ramie spinning technology, the present invention has increased crush cutting operation one after grilling operation, and the ramie stripes fiber length uniformity after crush cutting improves, and is conducive to the raising of yarn quality.Simultaneously, ramie crush cutting bar is directly processed on, the measured cotton spinning apparatus of matter high in output, and the integral levels such as equipment and process of cotton spinning are at present spun and wool spinning, silk spinning etc. far ahead of ramie, therefore, can make ramie spinning be developed rapidly by the platform of cotton spinning.
The present invention adopts the ramie bar after grilling operation to carry out crush cutting, because ramie bar is now after shredding, rippling working procedure, parallel the stretching tentatively of fiber loosened, after combing process, eliminated the length uniformity of staple fibre to a certain degree and raising fiber, after grilling operation, reduced the cycle that after combing, ramie stripes exists irregular, therefore, its straightening of fibers, loose, runner, doubling are few, can greatly alleviate the burden of crush cutting, be conducive to carrying out smoothly of crush cutting operation, and the quality of crush cutting bar is also more than adopting the good of degummed ramie crush cutting.Simultaneously, with " a kind of ramie-cotton type spinning processing method and use equipment thereof " (ZL20110117390.4) patent compare, also there is an advantage, thick, hard ramee is before crush cutting operation, to have adopted traditional ramie combing machine to carry out combing process, after crush cutting, no longer need through cotton type combing machine, thereby avoided the parts such as faller gill of cotton type combing machine to the unconformable drawback of ramee.
Adopt after design of the present invention, the work flow of ramie spinning is: (degummed ramie) → shredding → comb fiber crops → in advance also → combing → grilling → crush cutting → drafting (2 road) → rove → spun yarn.
Described shredding, comb fiber crops, pre-also, combing, grilling operation adopt the machinery identical with existing process of ramie spinning.
beneficial effect
The present invention carries out crush cutting by the ramie bar after combing by cotton type length, thereby has guaranteed the quality of crush cutting bar, and crush cutting bar directly processes on, the measured cotton spinning apparatus of matter high in output, contributes to the raising of spinning efficiency and yarn quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of stretch breaking machine in the present invention, A-bar cylinder wherein, ，Ⅳ— preliminary draft district, ，Ⅲ— main drawing area, B-ramie stripes ，Ⅰ—Zhu crush cutting district ，Ⅱ—Yu crush cutting district, l
1-main crush cutting separates distance, l
2-pre-crush cutting separates distance, l
3space in-main drawing area, l
4-preliminary draft separates distance, P
1the-the first roller pressurization, P
2the-the second roller pressurization, P
3the-the three roller pressurization, P
4the-the four roller pressurization, P
5the-the five roller pressurization, E
1—Zhu crush cutting district's crush cutting multiple, E
2—Yu crush cutting district's crush cutting multiple, E
3-main drawing area crush cutting multiple, E
4-preliminary draft district crush cutting multiple, D
1the-the first leather roller diameter, D
2the-the second leather roller diameter, D
3the-the three leather roller diameter, D
4the-the four leather roller diameter, D
55 first leather roller diameters, d
1-first roller diameter, d
2the-the second roller diameter, d
3the-the three roller diameter, d
4the-the four roller diameter, d
5the-the five roller diameter; Arrow direction is the strip direction of motion.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
The length crush cutting of fiber in ramie bar is become to 30mm left and right.
In the present embodiment, by ramie degummed ramie carry out shredding, comb fiber crops, in advance also, combing, grilling, crush cutting, wherein as shown in Figure 1, be the crush cutting structural scheme of mechanism of crush cutting operation of the present invention, its mechanism is divided into Cheng Siqu: Ⅰ,Ⅱ district belongs to ，Ⅲ,Ⅳ district, crush cutting district and belongs to draw zone.Ramie stripes is introduced in advance, the roller in (Ⅳ,Ⅲ district) ，Gai district, main drawing area pressurizes and drafting multiple is relatively little, and fiber parallel stretch degree makes moderate progress, for follow-up crush cutting is prepared.Then ramie stripes enters pre-crush cutting district (II district), and partial-length is greater than this fiber that separates distance and is pulled off.When ramie stripes enters main crush cutting district (I district), utilize the larger front and back surface of roller speed difference in this district, and the enough gripping of roller nip to fiber, fiber is progressively broken into Len req.
The upper leather roller diameter D of described stretch breaking machine
1, D
2, D
3, D
4, D
5be 80mm, the shore hardness of each roller is 90 °, roller diameter d
1, d
2, d
3for 30mm, d
4, d
5for 50mm; Main crush cutting separates apart from l
1for 30mm, pre-crush cutting separates apart from l
2for 60mm, l spaces in main drawing area
3for 90mm, preliminary draft separates apart from l
4for 120mm; Stretch breaking machine adopts Pneumatic Pressure, and its pressurization is assigned as P
1for 231kg, P
2for 231kg, P
3for 231kg, P
4for 143kg, P
5for 143kg; Main crush cutting district's crush cutting multiple E
1wei3.5，Yu crush cutting district's crush cutting multiple E
2be 2, main drawing area crush cutting multiple E
3be 1.48, preliminary draft district crush cutting multiple E
4be 1.44.
Ramie bar after crush cutting is directly carried out to drafting, rove, spinning process on cotton spinning apparatus.
The proparea of described mixing in doubling step grips apart from being 40mm, and it is 45mm that back zone grips distance; The proparea of Roving Frames grips apart from being 55mm, and it is 40mm that back zone grips distance, roving twist factor a
tbe 100; The length of floating area of spinning process is 12mm, and it is 40mm that back zone grips distance, spun yarn twist factor a
tbe 425.
Embodiment 2
The length crush cutting of fiber in ramie bar is become to 40mm left and right.
In the present embodiment, by same ramie degummed ramie carry out shredding, comb fiber crops, in advance also, combing, grilling, crush cutting, wherein said crush cutting mechanism is identical with embodiment 1, main crush cutting separates apart from l
1for 40mm, pre-crush cutting separates apart from l
2for 80mm, l spaces in main drawing area
3for 120mm, preliminary draft separates apart from l
4for 160mm; Stretch breaking machine adopts Pneumatic Pressure, and its pressurization is assigned as P
1for 215kg, P
2for 215kg, P
3for 215kg, P
4for 135kg, P
5for 135kg; Main crush cutting district's crush cutting multiple E
1be 3 ，Yu crush cutting district's crush cutting multiple E
2be 1.7, main drawing area crush cutting multiple E
3be 1.35, preliminary draft district crush cutting multiple E
4be 1.25.
Ramie bar after crush cutting is directly carried out to drafting, rove, spinning process on cotton spinning apparatus.
The proparea of described mixing in doubling step grips apart from being 50mm, and it is 50mm that back zone grips distance; The proparea of Roving Frames grips apart from being 60mm, and it is 50mm that back zone grips distance, roving twist factor a
tbe 90; The length of floating area of spinning process is 16mm, and it is 45mm that back zone grips distance, spun yarn twist factor a
tbe 405.
Embodiment 3
The length crush cutting of fiber in ramie bar is become to 50mm left and right.
In the present embodiment, by same ramie degummed ramie carry out shredding, comb fiber crops, in advance also, combing, grilling, crush cutting, wherein said crush cutting mechanism is identical with embodiment 1, main crush cutting separates apart from l
1for 50mm, pre-crush cutting separates apart from l
2for 100mm, l spaces in main drawing area
3for 150mm, preliminary draft separates apart from l
4for 200mm; Main crush cutting district's crush cutting multiple E
1be 2 ，Yu crush cutting district's crush cutting multiple E
2be 1.7; The first roller pressurization P
1for 205kg, the second roller pressurization P
2for 205kg, the 3rd roller pressurization P
3for 205kg, the 4th roller pressurization P
4for 127kg, the 5th roller pressurization P
5for 127kg; , main drawing area crush cutting multiple E
3wei1.1， preliminary draft district's crush cutting multiple E
4be 1.17.
Ramie bar after crush cutting is directly carried out to drafting, rove, spinning process on cotton spinning apparatus.
The proparea of described mixing in doubling step grips apart from being 55mm, and it is 60mm that back zone grips distance; The proparea of Roving Frames grips apart from being 70mm, and it is 55mm that back zone grips distance, roving twist factor a
tbe 80; The length of floating area of spinning process is 20mm, and it is 55mm that back zone grips distance, spun yarn twist factor a
tbe 385.
In above-mentioned three embodiment, before and after crush cutting, the performance of ramie bar is as shown in table 1.
The performance of ramie bar before and after table 1 crush cutting
Yarn quality in above-mentioned three embodiment and routine are spun to ramie combed yarn (twist factor a
tbe 316) performance contrast, as shown in table 2.
Table 2 crush cutting yarn and conventional yarn performance comparison (27.8tex)
As from the foregoing: ramie bar is become after cotton type length by crush cutting, and the Length Regularity of fiber obviously improves, the average fiber length after crush cutting, between 30-50mm, can spin completely on cotton spinning apparatus; Adopt the fracture strength of yarn of the present invention's spinning and elongation at break all higher than conventional yarn, bar is dry, thickness saves, fiber crops grain is close with conventional yarn, fibre length is shorter in theory, filoplume number should be more, but because the fiber length uniformity of crush cutting bar is good, the above filoplume of 3mm of yarn and approaching of conventional yarn that final the present invention is produced, in addition, the spinning speed of spun yarn has significantly to be increased.
Claims (7)
1. a method for combed cotton type ramie spinning, comprising: ramie degummed ramie is carried out in ramie spinning system to shredding, comb fiber crops, in advance also, after combing, grilling operation, then carry out crush cutting, then carry out drafting, rove, spinning process, obtain ramie spinning.
2. the method for a kind of combed cotton type ramie spinning according to claim 1, is characterized in that: described crush cutting operation is for becoming the fibre length crush cutting of ramie bar the cotton type length of 30-50mm.
3. the method for a kind of combed cotton type ramie spinning according to claim 1, is characterized in that: the upper leather roller diameter D that the technique of described crush cutting operation is stretch breaking machine
1, D
2, D
3, D
4, D
5be 80mm, the shore hardness of each roller is 90 °, roller diameter d
1, d
2, d
3for 30mm, d
4, d
5for 50mm; Main crush cutting separates apart from l
1for 30-50mm, pre-crush cutting separates apart from l
2for 60-100mm, l spaces in main drawing area
3for 90-150mm, preliminary draft separates apart from l
4for 120-200mm; Adopt Pneumatic Pressure, its pressurization is assigned as P
1for 205-231kg, P
2for 205-231kg, P
3for 205-231kg, P
4for 127-143kg, P
5for 127-143kg; Main crush cutting district's crush cutting multiple E
1for 2.0-3.5 ，Yu crush cutting district's crush cutting multiple E
2for 1.75-2, main drawing area crush cutting multiple E
3for 1.1-1.48, preliminary draft district crush cutting multiple E
4for 1.17-1.44.
4. the method for a kind of combed cotton type ramie spinning according to claim 1, is characterized in that: described drafting, rove, spinning process all adopt cotton type equipment.
5. the method for a kind of combed cotton type ramie spinning according to claim 1, is characterized in that: the proparea of described mixing in doubling step grips apart from being 40-55mm, and it is 45-60mm that back zone grips distance.
6. the method for a kind of combed cotton type ramie spinning according to claim 1, is characterized in that: the proparea of described Roving Frames grips apart from being 55-70mm, and it is 40-55mm that back zone grips distance, roving twist factor a
tfor 80-100.
7. the method for a kind of combed cotton type ramie spinning according to claim 1, is characterized in that: the length of floating area of described spinning process is 12-20mm, and it is 40-55mm that back zone grips distance, spun yarn twist factor a
tfor 385-425.
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| CN201310563133.5A CN103572443B (en) | 2013-11-14 | 2013-11-14 | A kind of method of combing cotton ramie spinning |
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|---|---|---|---|
| CN201310563133.5A CN103572443B (en) | 2013-11-14 | 2013-11-14 | A kind of method of combing cotton ramie spinning |
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| CN103572443B CN103572443B (en) | 2015-12-02 |
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Cited By (5)
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|---|---|---|---|---|
| CN104593907A (en) * | 2014-12-26 | 2015-05-06 | 湖北立天生物工程有限公司 | Cotton type fiber stretch-breaking strip making method |
| CN104593920A (en) * | 2015-02-15 | 2015-05-06 | 东华大学 | Method for producing ramie combed yarn by cutting cotton |
| CN104611788A (en) * | 2014-12-26 | 2015-05-13 | 青岛大学 | Low-strength fiber stretch-breaking and slivering device |
| CN106868665A (en) * | 2017-03-21 | 2017-06-20 | 上海八达纺织印染服装有限公司 | A kind of processing method of chitin fiber and wool blended yarn |
| CN108589022A (en) * | 2018-07-02 | 2018-09-28 | 海安国洋机械科技有限公司 | Metallic fiber breaks injection apparatus |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593907A (en) * | 2014-12-26 | 2015-05-06 | 湖北立天生物工程有限公司 | Cotton type fiber stretch-breaking strip making method |
| CN104611788A (en) * | 2014-12-26 | 2015-05-13 | 青岛大学 | Low-strength fiber stretch-breaking and slivering device |
| CN104593907B (en) * | 2014-12-26 | 2018-11-20 | 湖北立天生物工程有限公司 | A kind of crush cutting system method of short-staple |
| CN104611788B (en) * | 2014-12-26 | 2019-04-19 | 青岛大学 | A kind of low strong fiber crush cutting strip device |
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| CN104593920B (en) * | 2015-02-15 | 2016-11-09 | 东华大学 | A kind of cotton cuts off the method producing ramie combed yarn |
| CN106868665A (en) * | 2017-03-21 | 2017-06-20 | 上海八达纺织印染服装有限公司 | A kind of processing method of chitin fiber and wool blended yarn |
| CN108589022A (en) * | 2018-07-02 | 2018-09-28 | 海安国洋机械科技有限公司 | Metallic fiber breaks injection apparatus |
| CN108589022B (en) * | 2018-07-02 | 2023-12-05 | 海安国洋机械科技有限公司 | Metal fiber stretch-breaking spraying device |
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