A kind of processing method of bombax cotton yarn
Technical field
The present invention relates to the yarn manufacturing technology, specifically is a kind of processing method of bombax cotton yarn.
Background technology
Yarn is the basis of weaving face fabric, and weaving face fabric has the functional functional yarn that comes to a great extent, therefore designs a kind of polyfunctional yarn the multifunction that realizes fabric is had practical value.
Bombax cotton is a kind of natural fabric, with cotton fiber a lot of similarities are arranged, but it is thinner, and degree of hollowness slim and graceful and fiber is very high, and there is wax on the surface, thereby has unique advantage aspect gloss, hygroscopicity and the warmth retention property.But soft because bombax cotton is short, do not have characteristics such as picking up song, bending stiffness are low, elasticity of compression difference, cause spinnability relatively poor, and the soft comfortableness of product and warmth retention property decay are very fast.
Mix employing friction spinning resultant yarn behind opening picking, comb and parallel cotton fibers prior to spinning, drafting with cotton after mentioning kapok surface-coated elastic film in patent CN101982584A " a kind of processing method of high hollow rate kapok yarn ", kapok content is 10~50%.After in patent CN101294322A " contains the yarn/fabric of freestone bombax cotton and contains the preparation method of the yarn of freestone bombax cotton ", mentioning kapok preliminary treatment and blowing with freestone bombax cotton mixing spun yarn or other fiber behind preliminary treatment and blowing with freestone bombax cotton mixing spun yarn or freestone bombax cotton spun yarn after preliminary treatment, the not open in detail explanation of its preliminary treatment, mainly being to have mentioned hot and humid synchronous itemize drafting combing slivering in concrete spinning, is to adopt open-end spinning or RING SPINNING resultant yarn at last.Mention that at patent CN202000054U " a kind of kapok yarn of skin-core structure " mode that adopts friction spinning realizes kapok and the silk/cotton blended yarn of multi-ply fibrous structure.Though solved the spinnability of bombax cotton in these disclosed patents to a certain extent, but the key issue of failing all the time to be difficult to spin with regard to kapok " because kapok length is short, intensity is low, cohesive force difference and lacking flexibility; thereby become net of low quality, slivering is also relatively poor and cause the final yarn quality not high thus " and propose effective method.In addition, using for the spinning of bombax cotton in existing disclosed technology and data more is to adopt and cotton, viscose glue or other fiber blends, and function is more single relatively, and the yarn property index is not ideal enough.
Summary of the invention
In order to solve deficiency of the prior art, the technical problem to be solved in the present invention is: the processing method that a kind of bombax cotton yarn is provided, this method has not only solved the relatively poor problem of bombax cotton spinnability, and can realize the spinning of pure bombax cotton and the better performances of the pure kapok yarn of gained by the processing of improved carding machine; This processing method equally also is applicable to bombax cotton and other blended yarn processing natural or synthetic fiber.
The technical scheme that the present invention solve the technical problem is: the processing method that designs a kind of bombax cotton yarn, this processing method is at first carried out preliminary treatment with bombax cotton, the processing of then pretreated bombax cotton being spinned, described spinning processing is successively through grabbing cotton, mixed cotton, card wire opener, dedusting, feeding cotton, comb and parallel cotton fibers prior to spinning and twice mixing in doubling step with the bombax cotton raw material, bombax cotton behind the drafting directly adopts friction spinning and winding procedure or revolving cup to spin and winding procedure, namely obtains the bombax cotton yarn; Perhaps the bombax cotton behind the drafting again through RING SPINNING and winding procedure, namely obtains the bombax cotton yarn earlier through the rove operation;
The parts by weight prescription that described bombax cotton pretreatment process uses treatment fluid is 80~95 parts in 3~10 parts of cornstarchs, 2~10 parts of carboxymethyl celluloses and water, amount to 100 parts, described pretreated method is that the treatment fluid of temperature at 50~80 ℃ evenly is sprayed on the bombax cotton of 30~50 times for the treatment of fluid weight, cover film then, make treatment fluid fully soak into bombax cotton, leave standstill after 24h hour namely.
Compared with prior art, bombax cotton processing method beneficial effect of the present invention is: kapok is carried out preliminary treatment earlier, overcome that bombax cotton length is short, intensity is low, cohesive force is poor, inelastic shortcoming, solved net problem of low quality; By the carding machine carding after improving, become net slivering performance good again, improved the spinnability of bombax cotton, slivering and yarn quality improve and are stable; Adopt processing method of the present invention simultaneously, can reduce the flyings that use bombax cotton to produce on the one hand, improved production environment; The 2nd, reduced the one-tenth yarn breakage, improved resultant yarn efficient, the yarn property index also is improved.In addition, pretreated bombax cotton can carry out blending smoothly with other natural fabric or functional fibre, thereby obtain the new type yarn of different performance, has expanded the range of application of bombax cotton, has satisfied the demand in user and market.
Description of drawings
Fig. 1 is the RING SPINNING process flow diagram of a kind of embodiment of bombax cotton yarn processing method of the present invention.
Fig. 2 is the revolving cup spinning process schematic flow sheet of a kind of embodiment of bombax cotton yarn processing method of the present invention.
The friction spinning process flow diagram of a kind of embodiment of Fig. 3 bombax cotton yarn of the present invention processing method.
Fig. 4 is the overall structure schematic diagram of the improvement carding machine of a kind of embodiment of bombax cotton yarn processing method of the present invention.
Fig. 5 is the dust cage formula stripping mechanism structure schematic diagram of the improvement carding machine of a kind of embodiment of bombax cotton yarn processing method of the present invention.
The specific embodiment
Be described in detail the present invention below in conjunction with embodiment and accompanying drawing thereof.Embodiment is to be the concrete enforcement that prerequisite is carried out with technical scheme of the present invention, has provided detailed embodiment and process.But the application's claim protection domain is not limited to following embodiment to be described.
The processing method of the bombax cotton yarn of the present invention's design (being called for short processing method, referring to Fig. 1-5), adopt following technological process:
(1) bombax cotton → preliminary treatment → grab cotton → mixed cotton → card wire opener → dedusting → feed cotton → comb and parallel cotton fibers prior to spinning → twice drafting → rove → ring spun yarn → winder → bombax cotton yarn; Perhaps
(2) bombax cotton → preliminary treatment → grab cotton → mixed cotton → card wire opener → dedusting → hello cotton → comb and parallel cotton fibers prior to spinning → twice drafting → friction spinning/revolving cup to spin spun yarn → winder → bombax cotton yarn;
The parts by weight prescription that treatment fluid is used in described bombax cotton preliminary treatment is 80~95 parts in 3~10 parts of cornstarchs, 2~10 parts of carboxymethyl celluloses (CMC) and water, amount to 100 parts, described pretreated method is that the treatment fluid of temperature at 50~80 ℃ evenly is sprayed on the bombax cotton of 30~50 times for the treatment of fluid weight, cover film then, make treatment fluid fully soak into bombax cotton, leave standstill more than 24h hour namely.
Described bombax cotton can improve the spinnability of bombax cotton earlier through the preliminary treatment processing of spinning again, improves the kapok quality of yarn.
The bombax cotton that processing method of the present invention is used can purely spin, and also can mix the back blending with other natural fabrics or synthetic fiber.The blending of bombax cotton and other natural fabrics or synthetic fiber is carried out grabbing cotton process, namely at described other fibers and the bombax cotton blending that cotton process adds design proportion, the manufacturing kapok blended yarn of grabbing.Bombax cotton blending technology is prior art.
The further feature of processing method of the present invention is, the carding machine that described carding step uses is the carding machine that the roller stripping mechanism of conventional carding machine is improved to dust cage formula stripping mechanism, and the carding machine that uses of described carding step adopts newly-designed dust cage formula stripping mechanism to replace the roller stripping mechanism of conventional carding machine in other words.Described dust cage formula stripping mechanism mainly comprises dust cage formula stripping roller 6, cotton roller 7, cotton sucking blower 12 and sliver apron 8.The surface of dust cage formula stripping roller 6 is covered with mesh 6.1, itself is prior art; Cotton sucking blower 12 be positioned at dust cage formula stripping roller 6 below, the inlet scoop 12.1 of the air draught pipeline that cotton sucking blower 12 connects is del, near the below of dust cage formula stripping roller 6, spaces but leave adjustable air draught; 12 pairs of dust cage formulas of cotton sucking blower stripping roller 6 is bled, and can form suitable negative pressure on the surface of dust cage formula stripping roller 6.The bombax cotton raw material is through giving cotton roller 1 feeding carding machine, after licker-in 2, cylinder 4, cover plate 3 and the doffer's 5 of carding machine combing, is in the filament state substantially.By the surface of described negative-pressure adsorption to dust cage formula stripping roller 6, form stable fiber web through the bombax cotton after the combing.The then roll extrusion of process cotton roller 7, fiber web is tightr, the sliver apron (prior art products) 8 of being close to the dust cage surface then is processed into ribbon, after passing through large pressuring roller 9 again, by circle bar dish 10 the orderly circle of bombax cotton bar is put into bar bucket 11, process (referring to Fig. 4-5) for later process.
Air quantity at cotton sucking blower 12 described in the comb and parallel cotton fibers prior to spinning process is controlled at 100-1200m
3/ h, inlet scoop 12.1 blast be-20--800Pa.
Processing method of the present invention goes for the pure of bombax cotton and spins, and also is applicable to bombax cotton and other fiber blends.Having adopted bombax cotton, viscose, nanometer silver antimicrobial terylene and terylene base magnetic fibre among the embodiment is spinning material, spins with the mixing ratio of routine.
What described bombax cotton embodiment selected for use is Indonesia import A level product, and appearance luster is yellowish-brown, fibre length 8~32mm, fineness 0.09~0.32tex.
Described viscose is the market sale product.The fiber dimensious that embodiment selects for use is 0.156tex * 38mm.
Described nanometer silver antimicrobial polyster fibre is to be the market sale product.The fiber dimensious that embodiment selects for use is: 0.156tex * 38mm.
Described terylene base magnetic fibre is the market sale product.The fiber dimensious that embodiment selects for use is: 0.156tex * 38mm.
It can be common RING SPINNING that described ring spins surely, also can be to carry out improved match network in RING SPINNING to spin, closely spin or closely match that network spins etc.
The present invention does not state part and is applicable to prior art.
Provide specific embodiments of the invention below.Specific embodiment only is used for being described in further detail the present invention, does not limit the protection domain of the application's claim.
Embodiment 1
Selecting described pure bombax cotton for use is spinning material, and the processing fineness is the pure kapok yarn of 18.2tex.
The spinning work flow is (referring to Fig. 1): bombax cotton → preliminary treatment → griping cotton machine → cotton blender machine → card wire opener → dust removal machine → feed cotton machine → improved carding machine → drafting (twice) → rove → spun yarn (closely matching network spins) → winder → pure kapok yarn, the fineness of the pure kapok yarn of gained is 18.2tex.
Weight 100 umbers of design bombax cotton treatment fluid consist of: 10 parts of cornstarchs, 85 parts in 5 parts of carboxymethyl celluloses and water; The treatment fluid temperature is 80 ℃, and it evenly is sprayed on the bombax cotton of 30 times for the treatment of fluid weight, covers film, makes treatment fluid soak into bombax cotton better, and keeps this state 24h, the processing of spinning then.
Described improved carding machine is improved to dust cage formula stripping mechanism (referring to Fig. 4-5) with the roller stripping mechanism of conventional carding machine.During carding machine work, cotton sucking blower 12 is with 800m
3The air quantity of/h is bled, and the blast that dust cage formula stripping roller 6 following 12.1 places, inlet scoop form is-200Pa to make the dust cage surface be in negative pressure state.Be attracted to the dust cage surface through the bombax cotton after the combing, form the bombax cotton net.Cooperate cotton roller 7 devices such as grade to make the bombax cotton slivering, for later process processing.
Embodiment 2
Selecting described bombax cotton and viscose for use is spinning material, and the processing fineness is 27.8tex kapok blended yarn.The weight ratio of bombax cotton and viscose is 40:60.
The spinning work flow is (referring to Fig. 2): bombax cotton → preliminary treatment → griping cotton machine → cotton blender machine → card wire opener → dust removal machine → feed cotton machine → improved carding machine → drafting (twice) → revolving cup to spin → winder → cotton blended yarn line, the fineness of gained kapok blended yarn is 27.8tex.
Weight 100 umbers of design bombax cotton treatment fluid consist of: 6 parts of cornstarchs, 90 parts in 4 parts of carboxymethyl celluloses and water; The treatment fluid temperature remains on 70 ℃, and it evenly is sprayed at is on the bombax cotton of 35 times of its weight, covers film, makes treatment fluid soak into bombax cotton better, and keeps this state 24h, mixes spinning with viscose then.
Described improved carding machine is same as embodiment 1, and the air quantity of cotton sucking blower 12 is 500m
3/ h, the blast that 12.1 places, inlet scoop form is-150Pa.
Embodiment 3
Selecting described bombax cotton, terylene base magnetic fibre and terylene base load silver fiber for use is spinning material, and the processing fineness is the kapok blended yarn of 18.2tex.Bombax cotton, terylene base magnetic fibre are 30:40:30 with terylene base load silver fibre weight ratio.
The spinning work flow is (referring to Fig. 3): bombax cotton → preliminary treatment → griping cotton machine → cotton blender machine → card wire opener → dust removal machine → feed cotton machine → improved carding machine → drafting (twice) → friction spinning → winder → cotton blended yarn line, the fineness of gained kapok blended yarn is 18.2tex.
Weight 100 umbers of design bombax cotton treatment fluid consist of: 5 parts of cornstarchs, 92 parts in 3 parts of carboxymethyl celluloses and water; The treatment fluid temperature remains on 60 ℃, it evenly is sprayed at is on the bombax cotton of 30 times of its weight, cover film makes treatment fluid soak into bombax cotton better, and keeps this state 24h, mixes and is spinned with terylene base magnetic fibre, terylene base load silver fiber again.
Described improved carding machine is same as embodiment 1, and the air quantity of cotton sucking blower 12 is 400m
3/ h, the blast that 12.1 places, inlet scoop form is-100Pa.