CN108396429A - Stretch yarn of real silk and preparation method thereof - Google Patents
Stretch yarn of real silk and preparation method thereof Download PDFInfo
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- CN108396429A CN108396429A CN201810450261.1A CN201810450261A CN108396429A CN 108396429 A CN108396429 A CN 108396429A CN 201810450261 A CN201810450261 A CN 201810450261A CN 108396429 A CN108396429 A CN 108396429A
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- Prior art keywords
- silk
- cocoon
- core filaments
- thread
- stretch yarn
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Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B7/00—Obtaining silk fibres or filaments
- D01B7/04—Reeling silk
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/04—Silk
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
Abstract
To solve the deficiencies in the prior art, the present invention provides a kind of stretch yarn of real silk, including：What core was linearly arranged has elastic middle core filaments；Winding is enclosed with 8 or more silk on the middle core filaments lateral wall；Described 8 or more silk are mutually parallel.The stretch yarn of real silk is arrived by prepared by following methods：S1. qualified raw material cocoon is selected；S2. shell cocoon, work of selecting silkworm are carried out；S3. ripe silk the end of a thread is drawn after carrying out beating, shaking processing to ripe cocoon, and will be in the middle core filaments of 2 or more ripe silk the end of a thread adherency after the stretch；S4. rotation is adhered to the ripe cocoon in middle core filaments；Silk thread after winding carries out twisting sheath operation；S5. the silk thread thickness after sheath is twisted to be detected；S6. drying operation twice is carried out to the silk thread after detection, it will be on the silk thread network to silk cylinder after drying；Rough defect excision and manual splice operation are carried out during winder.Stretch yarn of real silk of the present invention silk when stretching will not occur to be broken and can be sprung back.
Description
Technical field
The invention belongs to functional real silk preparing technical fields, and in particular to a kind of stretch yarn of real silk and preparation method thereof.
Background technology
Silk refers generally to mutually twist the silk that spins being prepared by silk, including Bombyx-mori Bave, tussah silk, castor-oil plant silk cocoon
Silk, cassava silkworm silk etc..Silk is referred to as " fiber queen ", is favored by people through the ages with its unique glamour.Very
Silk belongs to protein fibre, contains 18 kinds of amino acid beneficial to human body in fibroin.Excellent specific property based on silk, silk are wide
It is general to apply to the fields such as clothing, bedding.But due to silk itself and do not have elasticity, pure silk products are easy
There is the problems such as bursting apart, deforming during use.Therefore, silk and elastic filament are combined into for a kind of trend.It is existing
Stretch yarn of real silk structure it is general as shown in Figure 1, be mutually twisted as mutually winding with elastic filament 1 after silk by silk 2, be prepared as true
Silk elastic filament.Although the structure can make the fabric being prepared have resilience, during draw wire, in silk
Part silk or whole silk be easy to be broken, even if elastic filament can drive silk to spring back after pulling force disappears, but break
The silk split will not be connected together again.Therefore, the fabric prepared by existing stretch yarn of real silk is easy in use
Since fabric crackle or broken string occurs in silk fracture, cause using effect bad.
Invention content
In view of the problems of the existing technology the present invention, provides a kind of stretch yarn of real silk, including：Core is linearly arranged
Middle core filaments.The middle core filaments are with elastic silk thread.Winding is enclosed with 8 with bonscocoons on the middle core filaments lateral wall
Silk.Described 8 or more silk are mutually parallel.The middle core filaments are completely covered in the silk that package is wound on the middle core filaments lateral wall
Outer surface.
Further, described to have elastic silk thread for spandex thread.
Further, the stretch yarn of real silk is arrived by prepared by following methods：
S1. qualified raw material cocoon is selected.
S2. shell cocoon, work of selecting silkworm are carried out.After the husks for peeling silk cocoon off, by selecting silkworm, reject light defective cocoon, damaged cocoon and other
Be not suitable for the cocoon of automatic silk reeling production.It is for use by ripe cocoon is obtained after the progress cocoon cooking operation of gained cocoon.
S3. ripe silk the end of a thread is drawn after carrying out beating, shaking processing to ripe cocoon, and never by 2 or more ripe silk the end of a thread
Same position, in the middle core filaments of identical tangential angle adherency after the stretch.
S4. rotation is adhered to the ripe cocoon in middle core filaments, so that the silk thread of each ripe cocoon is mutually parallel and is wrapped in middle core filaments.Winding
Silk thread afterwards carries out twisting sheath operation, twists sheath length 15-18cm.
S5. the silk thread thickness after sheath is twisted to be detected by perceptron, when the silk thread after twisting sheath is meticulous, supplement adherency
New ripe silk the end of a thread, and continue to carry out rotation winding described in step S4 and twist sheath operation.
S6. to the Filament winding after detection smallUpper progress first time drying.It carries out drying for second later.Second
After drying, it will be wrapped in smallOn silk thread pass through on bobbin-winding machine network to silk cylinder.Carry out during winder rough defect excision and
Manual splice operates.
Further, raw material cocoon qualified described in step S1 is：Reelability percentage is more than 70%, and myriametre hangs secondary less than 2.5 times, cocoon
The neat rate of width is more than 75% raw material cocoon.
Further, when carrying out beating operation described in step S3, control operation temperature is：86-94℃.Carry out step S3 institutes
When stating shaking operation, control operation temperature is：38-42℃.
Further, the middle core filaments after stretching described in step S3 are：It is stretched to the core of 1.1-1.6 times of length of original length
Silk.
Further, the different driving wheel of two rotating speeds that stretches through of middle core filaments described in step S3 is realized, wherein：Rotating speed
The first slower driving wheel is located at lower section, and the rotation of core filaments cylinder is for silk in driving.Faster second driving wheel of rotating speed is located above, and is driven
It is dynamic to rotate the middle core filaments movement for being wound with silk.Second driving wheel is connected with pulling force sensing device, is incuded by pulling force and is filled
The rotating speed that the pulling force that senses adjusts the second driving wheel is set, the tensile elongation of core filaments is within a preset range in maintenance.When pulling force sense
It is to stop rotating winding operation described in step S4 when presetting zero to answer the pulling force that device senses.
Further, when rotation described in step S4 is adhered to the ripe cocoon in middle core filaments, ripe cocoon is kept to be located at 35-45 DEG C of heat
In water environment.
Further, in the hot water for impregnating the ripe cocoon, circulating collection device is equipped at the position close to bottom.
Further, drying includes for the first time described in step S6：It is preliminary to dry under the conditions of 105-120 DEG C of steam hot wind
It is 5-30 seconds dry.Drying includes for the second time described in step S6：The small of silk thread will be wound withIt is placed in 105-120 DEG C of drying room
Drying 5-8 hours.
One of the present invention has at least the following advantages：
1. stretch yarn of real silk of the present invention, can be in the range of stretching 1.5 times of length when stretching, silk will not occur
Fracture, and the silk wrapped up can be sprung back with elastic filament, to greatly overcome problem of the existing technology.
2. the stretch yarn of real silk that stretch yarn of real silk preparation method of the present invention is prepared has higher cleannes and elastic force
The clad ratio of silk reaches 99.5% or more.
3. the stretch yarn of real silk that stretch yarn of real silk preparation method of the present invention is prepared, silk package is secured, and finished product will not
There is the problem of silk falls off.
4. the stretch yarn of real silk that stretch yarn of real silk preparation method of the present invention is prepared, many index can reach GB/T-
The 5A grade standards of 1798-2008 standards.
Description of the drawings
Fig. 1 show the structural schematic diagram of existing stretch yarn of real silk.
Fig. 2 show the structural schematic diagram of stretch yarn of real silk of the present invention.
Fig. 3 show the structural schematic diagram of core filaments stretching device in the present invention.
Fig. 4 show the structural schematic diagram of circulating collection device of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, to the present invention into
One step is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this
Invention.
Embodiment 1
A kind of stretch yarn of real silk, as shown in Fig. 2, including：The middle core filaments 1 that core is linearly arranged.The middle core filaments 1 are tool
There is elastic silk thread.It is described to have elastic silk thread for spandex thread.Winding is enclosed with 8 on 1 lateral wall of middle core filaments
Or the silk 2 of 16 or 32 or 64 or other quantity, the dosage of the silk 2 depend on meeting outside the middle core filaments 1
The necessary dosage for being enclosed with silk 2 is completely wound around on side wall.The silk 2 is mutually parallel, both 2 silk thread having the same of each silk
Direction.
The stretch yarn of real silk is arrived by prepared by following methods：
S1. qualified raw material cocoon is selected.
S2. shell cocoon, work of selecting silkworm are carried out.After the husks for peeling silk cocoon off, through selecting silkworm, reject light defective cocoon, damaged cocoon and other
Be not suitable for the cocoon of automatic silk reeling production.It is for use by ripe cocoon is obtained after the progress cocoon cooking operation of gained cocoon.
S3. ripe cocoon is carried out drawing ripe silk the end of a thread after beating, shaking processing, and by 2 or 3 or 4 or 6 or its
Ripe silk the end of a thread of his quantity is from different positions, in the middle core filaments 1 of identical tangential angle adherency after the stretch.It is described ripe
Silk the end of a thread quantity depends on meeting the necessary amount for being completely wound around package silk 2 on 1 lateral wall of middle core filaments.The rope
Thread is that the process of thread silk is drawn from the cocoon layer surface of ripe cocoon.The shaking is will to pass through the mixed and disorderly of beating groped end cocoon cocoon layer surface
Thread silk removes, and is processed into the process of the positive end cocoon of a cocoon one.
S4. rotation is adhered to the ripe cocoon in middle core filaments 1, so that the silk thread of each ripe cocoon is mutually parallel and is wrapped in middle core filaments 1.It twines
Silk thread after carries out twisting sheath operation, twists sheath length 16cm.The twirl sheath is exactly to utilize section phase before and after strand by machine part
Mutually twist the process twisted.The sheath length of twisting is the length mutually twisted and twisted.
S5. the silk thread thickness after sheath is twisted to be detected by perceptron, when the silk thread after twisting sheath is meticulous, supplement adherency
New ripe silk the end of a thread, and continue to carry out rotation winding described in step S4 and twist sheath operation.It has been found that silk after twisting sheath
When line thickness is meticulous, that is, the Cocoon Silk Weight coated in core filaments 1 in representing may be insufficient, at this time, it is likely that it is endless silk cladding occur
Full problem.By detection-increasing silk operation of the step, middle core filaments 1 can be effectively prevent to coat insufficient problem.
S6. to the Filament winding after detection smallUpper progress first time drying.It carries out drying for second later.Second
It, will be wound on small after dryingOn silk thread pass through on bobbin-winding machine network to silk cylinder.Carry out during winder rough defect excision and
Manual splice operates.Applicant passes through the study found that if being the behaviour to there is the silk thread of rough defect to carry out excision operation in step S5
Although work can cut off rough defect at the first time, it can also cause middle core filaments 1 have, very long one section is insufficient without stretching or stretching,
Unstable phenomenon is wound to silk 2 occur in this section, product quality is caused wild effect occur.And in last winder mistake
Rough defect excision operation is carried out in journey, at this point, stretch yarn of real silk has been shaped, will not influence silk thread carrying out excision operation
Stability is coated, to improve the quality stability of product.
Embodiment 2
Based on stretch yarn of real silk described in embodiment 1, qualified raw material cocoon described in step S1 is：Reelability percentage is more than 70%, ten thousand
Rice hangs secondary less than 2.5 times, raw material cocoon of the neat rate of cocoon width more than 75%.Using the raw material cocoon of the standard, can obtain quality compared with
High stretch yarn of real silk, reduce preparation process in silk breaks the problem of, stablize stretch yarn of real silk thickness.
Embodiment 3
Based on stretch yarn of real silk described in embodiment 1, when carrying out beating operation described in step S3, control operation temperature is：94
℃.When carrying out shaking operation described in step S3, control operation temperature is：42℃.
Embodiment 4
Based on stretch yarn of real silk described in embodiment 1, when carrying out beating operation described in step S3, control operation temperature is：86
℃.When carrying out shaking operation described in step S3, control operation temperature is：38℃.
Embodiment 5
Based on stretch yarn of real silk described in embodiment 1, when carrying out beating operation described in step S3, control operation temperature is：90
℃.When carrying out shaking operation described in step S3, control operation temperature is：40℃.
Using beating operation is carried out in beating operating temperature range described in embodiment 3-5, not only detached by beating silk cocoon
Effect is preferable, is easy to carry out beating operation, and is not in the phenomenon that silk cocoon is by well-done or gelatinization.Using embodiment 3-5 institutes
It states and carries out shaking operation in shaking operating temperature range, can effectively control the silk thread separation property of silk cocoon, convenient for finding single line
Captacula.
Embodiment 6
Based on stretch yarn of real silk described in embodiment 1, the middle core filaments 1 after being stretched described in step S3 are：It is stretched to original length
The middle core filaments 1 of 1.6 times of length.
Embodiment 7
Based on stretch yarn of real silk described in embodiment 1, the middle core filaments 1 after being stretched described in step S3 are：It is stretched to original length
The middle core filaments 1 of 1.1 times of length.
Embodiment 8
Based on stretch yarn of real silk described in embodiment 1, the middle core filaments 1 after being stretched described in step S3 are：It is stretched to original length
1.5 the middle core filaments 1 of length again.
Applicant on stretching a certain proportion of middle core filaments 1 by the study found that coat, core filaments 1 in can utilizing
Screen resilience, make silk it is more closely knit be coated on 1 surface of middle core filaments, effectively reduce the exposed possibility of middle core filaments 1.If
It is directly coated in middle core filaments 1, then once there is cladding gap or 1 exposed area of middle core filaments, then the gap or middle core filaments 1 are naked
Dew area can always exist, and influence stretch yarn of real silk subsequent use, such as：Wire surface layer is cracked, occurs color after dyeing
The problems such as poor.
Embodiment 9
Based on stretch yarn of real silk described in embodiment 1, as shown in figure 3, middle core filaments 1 described in step S3 stretch through middle core filaments
1 draws high device realization.The middle core filaments 1 draw high device and include：The different driving wheel of two rotating speeds, wherein：Rotating speed it is slower
One driving wheel 3 is located at lower section, and the rotation of core filaments cylinder is for silk in driving.Faster second driving wheel of rotating speed 4 is located above, driving rotation
It is wound with the middle core filaments movement of silk.Magnetic eye 5 is equipped with above first driving wheel, 3 central axes.The middle core filaments 1 pass through magnetic eye
The through-hole at 5 centers is connected to the second driving wheel 4.The direction that magnetic eye 5 is used to that middle core filaments 1 to be wound to be made to keep stable, in avoiding
The dancing that core filaments 1 occur due to the variation of wire thickness on middle core filaments cylinder, to improve clad ratio.Second driving wheel
4 are rotatably installed in by drive link 6 in reeling machine main body.6 vertical direction top of the drive link connects pulling force sense by spring 8
Answer device 7.Controller of the pulling force sensing device 7 into reeling machine main body sends the pulling force sensed, and controller is according to pulling force tune
Save the rotating speed of the second driving wheel.Such as：When pulling force is smaller, illustrate that the rotating speed of the second driving wheel 4 is excessively slow, the first driving wheel 3 with
Speed discrepancy between second driving wheel 4 is smaller, insufficient so as to cause the tensile elongation of middle core filaments 1.At this point, controller control second
Driving wheel 4 improves rotating speed, and the tensile elongation of middle core filaments 1 is made to be in preset range.Vice versa, when pulling force sensing device incudes
When the pulling force arrived is default zero, that is, the middle core filaments 1 in representing on core filaments cylinder have been used up, the second driving wheel 4 of controller control,
First driving wheel 3 stalls, and controls relevant device simultaneously and stop rotating winding operation described in step S4.The default zero is i.e. not
In stretching when core filaments 1, pulling force that pulling force sensing device 7 senses.By the setting, core filaments 1 are twining on the one hand can keeping
Around having necessary tensile elongation in the process, automatically controlling for 1 tensile elongation of centering core filaments on the other hand can also be realized, and
It terminates operation automatically after middle core filaments cylinder silk thread is used up, avoids generating underproof stretch yarn of real silk, waste material.
Embodiment 10
Based on stretch yarn of real silk described in embodiment 1, when rotation described in step S4 is adhered to the ripe cocoon in middle core filaments 1, keep
Ripe cocoon is in 45 DEG C of hot water environment.
Embodiment 11
Based on stretch yarn of real silk described in embodiment 1, when rotation described in step S4 is adhered to the ripe cocoon in middle core filaments 1, keep
Ripe cocoon is in 35 DEG C of hot water environment.
Embodiment 12
Based on stretch yarn of real silk described in embodiment 1, when rotation described in step S4 is adhered to the ripe cocoon in middle core filaments 1, keep
Ripe cocoon is in 40 DEG C of hot water environment.
Applicant, can be with by the study found that silk cocoon to be covered is placed in hot water environment described in embodiment 10-12
Make the natural silk gum on 2 surface of silk that there is certain viscosity, to allow silk 2 to be preferably adhered to 1 surface of middle core filaments, drop
The possibility that low silk 2 falls off.
Embodiment 13
Based on stretch yarn of real silk described in embodiment 10-12 any embodiments, in the hot water for impregnating the ripe cocoon, the bottom of close to
Circulating collection device is equipped at the position in portion.As shown in figure 4, the circulating collection device includes：The sink of horizontal circle setting
9.The trap 14 moved along slot bottom is equipped in the sink 9.In the sink 9 silk cocoon support is fixedly arranged above in trap 14
Plate 10.10 top of the silk cocoon support plate is equipped with guide rail 11 along the horizontal circle direction of sink 9, and the silk cocoon support plate 10 is solid
It is scheduled on the inside of opposite 9 upright side walls of sink of guide rail 11, and equipped with the inclined surface tilted down.The gradient of the inclined surface does not surpass
Cross 5 °.Being equipped in the guide rail 11 can be along the guide plate 12 that guide rail 11 moves.The guide plate 12 is carried on the back driving device and is drive along guide rail
11 directed movements.The guide plate 12 is rotatablely connected one end of connecting rod 13, the top panel turns of the other end and trap 14 of connecting rod 13
Connection.The sink 9 is equipped with empty slot 16, and the width of the empty slot 16 is less than the length of trap 14.The sink 9 is along guide rail 11
The direction of motion, rise curved surface 15 being equipped with close to one end of empty slot 16.16 lower section of the empty slot is equipped with collection device 17.The dress
The use process set is：First, hot water is housed, silk cocoon to be wound is placed in silk cocoon support plate 10, and related in sink 9
Device guides, and rotation winding is carried out in middle core filaments 1.The pelettes that silk thread winding finishes under the action of self-weight, is supported along silk cocoon
The inclined surface of plate 10 falls to 9 bottom of sink.The trap 14 of directed movement captures the pelettes for falling to 9 bottom of sink, and
It is moved to by the drive of guide plate 12 under the connection of connecting rod 13 and rises curved surface 15, and along rising 15 ascending motion of curved surface to being detached from water
Face.Later, under the drive of guide plate 12, trap 14 continues that pelettes is driven to move to empty slot 16, at this point, trap 14 is across sky
Slot 16 is simultaneously fallen after rise again to the slot bottom of sink 9.Pelettes in trap 14 is fallen from empty slot 16, is dropped down onto in collection device 17, quilt
Centralized collection.The processing of the collection to pelettes may be implemented in the device, and a large amount of pelettes of aggregation in sink 9 is avoided to influence silk cocoon progress
The operation for shelling core filaments 1 in silk winding, on the one hand improves the covered effect of middle core filaments 1, on the other hand can drop pelettes and concentrate receipts
Subsequently to be used after collection.
Embodiment 14
Based on stretch yarn of real silk described in embodiment 1, sheath operation is twisted described in step S4, twists sheath length 18cm.
Embodiment 15
Based on stretch yarn of real silk described in embodiment 1, sheath operation is twisted described in step S4, twists sheath length 15cm.
Embodiment 16
Based on stretch yarn of real silk described in embodiment 1, sheath operation is twisted described in step S4, twists sheath length 17cm.
Applicant passes through the stretch yarn of real silk the study found that for structure of the invention, twists sheath length according to stretch yarn of real silk
Fineness, control twirl sheath length can play in 15-18cm effectively distributes moisture content, enhancing obvolvent, removing unit Fen little Lei
Effect.
Embodiment 17
Based on stretch yarn of real silk described in embodiment 1, drying includes for the first time described in step S6：In 120 DEG C of steam hot wind
Under the conditions of, preliminary drying 5 seconds.Drying includes for the second time described in step S6：The small of silk thread will be wound withIt is placed on 120 DEG C of baking
Drying 5 hours in dry chamber.
Embodiment 18
Based on stretch yarn of real silk described in embodiment 1, drying includes for the first time described in step S6：In 105 DEG C of steam hot wind
Under the conditions of, preliminary drying 30 seconds.Drying includes for the second time described in step S6：The small of silk thread will be wound withIt is placed on 105 DEG C
Drying 8 hours in drying room.
Embodiment 19
Based on stretch yarn of real silk described in embodiment 1, drying includes for the first time described in step S6：In 110 DEG C of steam hot wind
Under the conditions of, preliminary drying 15 seconds.Drying includes for the second time described in step S6：The small of silk thread will be wound withIt is placed on 11 DEG C of baking
Drying 6 hours in dry chamber.
Applicant is by the study found that using traditional first drying technology, it is easy to occur smallExternal silk thread is de-
Water is serious, and to the problems such as hardening, catalysis occur, and internal silk thread drying is insufficient, and silk thread occur is mutually bonded, to remove
Difficult, silk, which adheres to insecure, the middle contraction of core filaments 1, leads to problems such as the extruding of silk 2 fall off.Using the technology, for the first time quickly
Damp and hot drying, can make stretch yarn of real silk that extra moisture be discharged, while keeping certain flexibility, so as to by silk elastic force
Silk is wrapped in smallOn.Second of drying carries out in arid and hot environment, since silk thread itself has eliminated extra moisture, the
The effect that secondary drying primarily serves and reduces regain, reduces deadlocked power, when silk thread being made to carry out winder operation, can smoothly into
Row is sequentially unwound, and is not in fluffing and cutting phenomenon.Core silk 1 can be made to shape simultaneously, the retraction of middle core filaments 1 is avoided to lead to cocoon
Silk 2, which squeezes, to fall off.
The stretch yarn of real silk being prepared using preparation method of the present invention is tested according to GB/T1798-2008 standards,
The wherein indexs such as cleannes, cleanliness, deviation, total poor, strength, elongation reach 5A grades of standards.
One of the present invention has at least the following advantages：
1. stretch yarn of real silk of the present invention, can be in the range of stretching 1.5 times of length when stretching, silk will not occur
Fracture, and the silk wrapped up can be sprung back with elastic filament, to greatly overcome problem of the existing technology.
2. the stretch yarn of real silk that stretch yarn of real silk preparation method of the present invention is prepared has higher cleannes and elastic force
The clad ratio of silk reaches 99.5% or more.
3. the stretch yarn of real silk that stretch yarn of real silk preparation method of the present invention is prepared, silk package is secured, and finished product will not
There is the problem of silk falls off.
4. the stretch yarn of real silk that stretch yarn of real silk preparation method of the present invention is prepared, many index can reach GB/T-
The 5A grade standards of 1798-2008 standards.
It should be noted that and understand, in the case of the spirit and scope required by not departing from the claims in the present invention, energy
It is enough that various modifications and improvements are made to the present invention of foregoing detailed description.It is therefore desirable to protection technical solution range not by
The limitation of given any specific exemplary teachings.
Claims (10)
1. stretch yarn of real silk, which is characterized in that including：The middle core filaments that core is linearly arranged；The middle core filaments are with rebound
The silk thread of property；Winding is enclosed with 8 or more silk on the middle core filaments lateral wall；Described 8 or more silk are mutually parallel.
2. stretch yarn of real silk according to claim 1, which is characterized in that described to have elastic silk thread for spandex thread.
3. stretch yarn of real silk according to claim 1, which is characterized in that the stretch yarn of real silk is prepared by following methods
It arrives：
S1. qualified raw material cocoon is selected；
S2. shell cocoon, work of selecting silkworm are carried out；After the husks for peeling silk cocoon off, by selecting silkworm, light defective cocoon, damaged cocoon and other discomforts are rejected
Close the cocoon of automatic silk reeling production；Gained cocoon of getting on the bus is carried out after cocoon cooking operation that obtain ripe cocoon for use；
S3. ripe cocoon is carried out drawing ripe silk the end of a thread after beating, shaking processing, and by 2 or more ripe silk the end of a thread from different
Position, in the middle core filaments of identical tangential angle adherency after the stretch；
S4. rotation is adhered to the ripe cocoon in middle core filaments, so that the silk thread of each ripe cocoon is mutually parallel and is wrapped in middle core filaments；After winding
Silk thread carries out twisting sheath operation, twists sheath length 15-18cm；
S5. it twists the silk thread thickness after sheath to be detected by perceptron, when the silk thread after twisting sheath is meticulous, supplement adheres to new
Ripe silk the end of a thread, and continue to carry out rotation winding described in step S4 and twist sheath operation；
S6. to the Filament winding after detection smallUpper progress first time drying；It carries out drying for second later；Second of drying
After, it will be wound on smallOn silk thread pass through on bobbin-winding machine network to silk cylinder；Rough defect excision and artificial is carried out during winder
Joining operations.
4. stretch yarn of real silk according to claim 3, which is characterized in that qualified raw material cocoon described in step S1 is：Reelability percentage
More than 70%, myriametre hangs secondary less than 2.5 times, raw material cocoon of the neat rate of cocoon width more than 75%.
5. stretch yarn of real silk according to claim 3, which is characterized in that when carrying out beating operation described in step S3, control behaviour
It is as temperature：86-94℃；When carrying out shaking operation described in step S3, control operation temperature is：38-42℃.
6. stretch yarn of real silk according to claim 3, which is characterized in that described in step S3 stretch after middle core filaments be：It stretches
To the middle core filaments of 1.1-1.6 times of length of original length.
7. stretch yarn of real silk according to claim 3, which is characterized in that middle core filaments described in step S3 stretch through two turns
The different driving wheel realization of speed, wherein：The first slower driving wheel of rotating speed is located at lower section, and the rotation of core filaments cylinder is for silk in driving；Turn
Faster second driving wheel of speed is located above, and driving rotation is wound with the middle core filaments movement of silk；The second driving wheel connection
There is pulling force sensing device, the rotating speed of the second driving wheel, core filaments in maintenance are adjusted by the pulling force that pulling force sensing device senses
Tensile elongation is within a preset range；Stop rotating described in step S4 when the pulling force that pulling force sensing device senses is default zero
Winding operation.
8. stretch yarn of real silk according to claim 3, which is characterized in that rotation described in step S4 is adhered to ripe in middle core filaments
When cocoon, keep ripe cocoon in 35-45 DEG C of hot water environment.
9. stretch yarn of real silk according to claim 8, which is characterized in that in the hot water for impregnating the ripe cocoon, close to bottom
Position at be equipped with circulating collection device.
10. stretch yarn of real silk according to claim 3, which is characterized in that drying includes for the first time described in step S6：In 105-
Under the conditions of 120 DEG C of steam hot wind, preliminary drying 5-30 seconds；Drying includes for the second time described in step S6：Silk thread will be wound with
It is smallIt is placed on drying 5-8 hours in 105-120 DEG C of drying room.
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| CN113373567A (en) * | 2021-06-21 | 2021-09-10 | 德宏正信实业股份有限公司 | Production method for reeling and producing composite silk based on real silk and artificial silk |
| CN115386968A (en) * | 2021-05-20 | 2022-11-25 | 浙江理工大学 | Silk reeling machine gap-adjustable and detachable device and method convenient for removing rough cocoon silk |
| CN115386967A (en) * | 2021-05-20 | 2022-11-25 | 浙江理工大学 | Silk cocoon rough removing device and method for reeling machine |
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