给棉方式对高产梳棉机刺辊梳理效果的影响

doi:10.13475/j.fzxb.20220409506

摘要/Abstract

摘要：

针对新型高产梳棉机采用顺向给棉方式生产细绒棉产品,梳棉机产量不高、刺辊区落棉率高、除杂效果不够理想、生条和成纱质量指标不佳等问题,通过分析顺向给棉和逆向给棉的优缺点,并在同型号梳棉机上分别采用顺向给棉和逆向给棉2种形式进行梳棉,对比给棉方式对高产梳棉机刺辊梳理效果的影响,验证了给棉方式对高产梳棉机纺精梳纯棉纱和普梳纯棉色纺纱的影响。结果表明:逆向给棉方式可提高梳棉机产量,提高给棉与刺辊之间的分梳能力,降低落棉率,提高落棉含杂率,减轻锡林周围主分梳区的分梳、除杂负担,提高生条和成纱质量,提高梳理器材的使用寿命,尤其对生产以细绒棉为原料的本色纱和色纺纱具有优势。

关键词: 梳棉机, 逆向给棉, 顺向给棉, 刺辊梳理, 落棉率, 落棉含杂率

Abstract:

For the new type of high yield flat carder, with the problems of low output,high noil rate, low noil impurity rate and poor quality of sliver and yarn of the medium cotton production, which is produced in the form of forward feeding. The advantages and disadvantages of forward and reverse feeding form were analyzed. For the same type of carding machine, two kinds of feeding forms were used respectively to compare the influence of feeding form on the carding effect of high yield carding machine. Experiments were carried out to verify the effect of feeding form on combed cotton yarn and color spun cotton yarn. The results show that reverse feeding can increase carding machine output, and improve the carding ability between feeding and licker-in roller, and reduce noil cotton rate, and improve noil cotton impurity rate. The carding and impurity removal burden in the main carding area around cylinder is reduced. The quality of sliver and yarn has been improved. The service life of carding equipment has been extended. The advantages of reverse feeding of carding machine are especially for the production of medium cotton yarn and color spun yarn.

Key words: carding machine, reverse feeding, forward feeding, licker-in roller carding, noil rate, noil impurity rate

中图分类号:

TS104.1

倪敬达. 给棉方式对高产梳棉机刺辊梳理效果的影响[J]. 纺织学报, 2022, 43(08): 7-11.

NI Jingda. Effect of feeding forms on carding efficiency by licker-in roller of high yield carding machine[J]. Journal of Textile Research, 2022, 43(08): 7-11.

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参考文献 12

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实验编号	给棉方式	刺辊转速/ (r·min^–1)	锡林转速/ (r·min^–1)	盖板速度/ (mm·min^–1)	出条速度/ (m·min^–1)	产量/ (kg·h^–1)
A	顺向	760	417	180	140	47
B1	逆向	760	417	180	140	47
B2	逆向	670	370	180	140	47

实验编号	给棉方式	刺辊转速/ (r·min^–1)	锡林转速/ (r·min^–1)	盖板速度/ (mm·min^–1)	出条速度/ (m·min^–1)	产量/ (kg·h^–1)
C	顺向	870	415	260	145	40
D1	逆向	870	415	260	145	40
D2	逆向	730	415	260	145	40
D3	逆向	730	415	260	163	45

工序制品	质量指标	不同实验方案下指标值
工序制品	质量指标	A	B1	B2
	刺辊落棉率/％	2.47	1.36	1.13
	刺辊落棉含杂率/％	38	95	96
筵棉	棉结/(个·g^–1)	512	498	508
	重量短绒率/％	8.5	9.0	8.7
	根数短绒率/％	24.6	25.4	25.2
生条	棉结/(个·g^–1)	80	68	74
	重量短绒率/％	7.8	8.6	8.1
	根数短绒率/％	21.8	23.3	22.1
精梳条	棉结/(个·g^–1)	13	13	11
	重量短绒率/％	8.1	9.7	8.3
	根数短绒率/％	15.3	18.2	16.1
末道并条	条干CV_m值/％	2.21	2.19	2.16
粗纱	条干CV_m值/％	3.52	3.56	3.41
细纱	强力/cN	263	242.7	272
	强力CV值/％	8.4	6.8	7.1
	条干CV_m值/％	10.92	11.44	10.56
	条干CV_b值/％	2.7	2.6	2.6
	–40％细节/(个·km^–1)	11	32	12
	–50％细节/(个·km^–1)	0	1	0
	+35％粗节/(个·km^–1)	80	130	72
	+50％粗节/(个·km^–1)	3	8	2
	+140％棉结/(个·km^–1)	55	85	48
	+200％棉结/(个·km^–1)	7	11	5
	毛羽H值	3.31	3.44	3.22

工序制品	质量指标	不同实验方案下指标值
工序制品	质量指标	C	D1	D2	D3
	刺辊落棉率/％	2.59	1.58	1.35	1.25
	刺辊落棉含杂率/％	40	96	95	90
生条	棉结/(个·g^–1)	22	12	10	18
	杂质/(个·g^–1)	28	22	20	26
	条干CV_m值/％	3.98	3.99	3.84	3.91
并条	预并条干CV_m值/％	3.87	3.92	3.65	3.82
并条	末并条干CV_m值/％	3.41	3.48	3.26	3.35
粗纱	条干CV_m值/％	5.01	5.03	4.92	4.98
细纱	条干CV_m值/％	15.46	15.50	15.20	15.36
	强力/cN	215	210	231	225
	–40％细节/(个·km^–1)	246	258	228	250
	–50％细节/(个·km^–1)	26	28	10	21
	+35％粗节/(个·km^–1)	1 250	1 270	1 180	1 192
	+50％粗节/(个·km^–1)	210	202	197	220
	+140％棉结/(个·km^–1)	1 535	1 528	1 420	1 560
	+200％棉结/(个·km^–1)	358	305	238	350