CN104328557A - Continuous straight and reverse twist interlace composite PA66 bulk yarn and production process thereof - Google Patents
Continuous straight and reverse twist interlace composite PA66 bulk yarn and production process thereof Download PDFInfo
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- CN104328557A CN104328557A CN201410064795.2A CN201410064795A CN104328557A CN 104328557 A CN104328557 A CN 104328557A CN 201410064795 A CN201410064795 A CN 201410064795A CN 104328557 A CN104328557 A CN 104328557A
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- 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
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/02—Bulking, e.g. looping
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- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a continuous straight and reverse twist interlace composite PA66 bulk yarn. The bulk yarn comprises straight twist sections and reverse twist sections which are formed by alternate and cyclic straight and reverse twisting, wherein each straight twist section is defined as a Z twist, and each reverse twist section is defined as an S twist; an interlace section is arranged between the Z twist and the S twist. The production process of the bulk yarn comprises the following steps: placing bobbins of 1-6 PA66 undrawn yarns on a bobbin creel to be led out independently; then combining the unwound PA66 undrawn yarns into a strand at an inlet of a twisting interlace machine; rolling and then conveying to a bulking box to perform bulking deformation and then newly dividing into 1-6 pieces; feeding into a pre-interlace nozzle to perform pre-interlacing respectively; then introducing to a group of winding wheels, passing the 1-6 pieces of PA66 bulk yarn half-finished products through the winding wheels and then feeding into an air twister to perform plying twisting, wherein the air twister is used for performing straight twisting and reverse twisting on the plied PA66 bulk yarn half-finished products by using left and right paths of compressed air to form the Z twists and the S twists. The machined PA66 bulk yarn for a carpet has the twists in two directions, so that the manufactured carpet can reflect various light and dark alternate colors from different angles.
Description
Technical field
The present invention relates to carpet silk production technical field, be specifically related to a kind of positive network combined PA66 bulk yarn of reverse lay and production technology thereof continuously.
Background technology
Carpet has a long history as indoor pavement, and the function of past carpet is confined to make indoor have quiet harmony, easy comfortable environment.But along with socioeconomic development, improving constantly of the living standard of the people, people rise to carpet decoration functions gradually and beautify the environment, and improve visual enjoyment art and come up.Thus, in the design of current carpet product, designerss are gradually blanket face style, Ridge tracing with merges with artistic color, and carpet product is advanced to graceful fashion, luxurious harmony art palace, nowadays artistic carpet becomes modernization carpet one new ideas.
In today of About Carpet high development, a new space of thinking is come in the design of designerss, past relies on dyeing and printing to increase figure colour and can not meet the demand of art up carpet on sense organ visual angle, but need at carpet yarn--the physical deformation on bulk yarn makes an one thread present and continuously produces the difference of refraction to realize a kind of visual angle effect of bright hidden interval to light, the carpet be made into is made to reflect the color at various light and shade interval from different perspectives, make whole carpet a kind of peculiar color effect of generation under the setting off of decorative pattern and light and shade interval color and luster.
At present, domestic and international bulk yarn production technology route is all carry out simple Cyber process to bulk yarn in process of production by single step spining art.If need twisting just to be twisted varicosity network yarn by special twisting equipment, and equipment of twisting can only carry out a sth. made by twisting to twisting processing to the processing of bulk yarn, the carpet yarn processed--the physical deformation on bulk yarn can not present the difference continuously light being produced to refraction, also a kind of visual angle effect of bright hidden interval cannot be realized, make the carpet be made into can not reflect the color at various light and shade interval from different perspectives, thus make whole carpet cannot produce a kind of peculiar color effect under the setting off of decorative pattern and light and shade interval color and luster
Summary of the invention
For solving the problems of the technologies described above, the first object of the present invention is to provide a kind of positive network combined PA66 bulk yarn of reverse lay continuously, the sth. made by twisting making the carpet yarn PA66 bulk yarn processed have a both direction to, the carpet woven can present the difference continuously light being produced to refraction on physical deformation energy, also can realize a kind of visual angle effect of bright hidden interval.On this basis, the second object of the present invention is to provide a kind of production technology of positive reverse lay, network composite PA66 bulk yarn continuously, by researching and developing the technique of professional equipment, successfully develop a kind of positive reverse lay, network combined PA66 bulk yarn product and production technology thereof continuously, the sth. made by twisting making the carpet yarn PA66 bulk yarn of processing have a both direction to, make the carpet be made into can not only reflect the color at various light and shade interval from different perspectives, whole carpet a kind of peculiar color effect of generation under the setting off of decorative pattern and light and shade interval color and luster can also be made.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of positive network combined PA66 bulk yarn of reverse lay continuously, comprises just sth. made by twisting that circulation forward and reverse twisting in interval formed to section and reverse lay to section, being defined as Z and twisting with the fingers, reverse lay being defined as S to section and twisting with the fingers at this by just twisting with the fingers to section; Between described Z sth. made by twisting and described S twist with the fingers, there is network segment.
Preferably, described Z twists with the fingers equal with described S length of lay degree, and is 90-110cm.
Preferably, described network segment comprises 2-3 network node, and the length of described network segment is 10-20cm.
A production technology for the positive network combined PA66 bulk yarn of reverse lay continuously, is characterized in that, comprise the following steps:
A1, the cheese 1-6 bobbin being wound with PA66 undrafting wire is placed on the bobbin cradle of the network combined Multi Role Aircraft of the expanded twisting of drawing-off, individually draw, and each bobbin is configured with unwinding tension control device, to control the PA66 undrafting wire difference unwinding of every out.
A2, be combined into one from the 1-6 root PA66 undrafting wire out of unwinding bobbin cradle at the entrance of the expanded twisting network machine of drawing-off, enter draw zone roller.
The temperature of A3, PA66 undrafting wire after hot gas spring is 80-150 DEG C, be fed through expanded case with the speed of 450-800 rice per minute and carry out bulking, the PA66 undrafting wire through drawing-off and bulking becomes the PA66 bulk yarn semi-finished product being in messy state.
A4, PA66 bulk yarn semi-finished product from expanded case out after be again divided into 1-6 root, enter respectively in pre-the nozzle of interlace and carry out pre-network.
A5, will from pre-the nozzle of interlace out after 1-6 root PA66 bulk yarn semi-finished product be incorporated into one group of winding wheel, by regulating the speed of winding wheel, make between drawing rollers and winding wheel, to form a speed difference, control the tension force of yarn in pre-the nozzle of interlace within the specific limits.
A6, again by 1-6 root PA66 bulk yarn semi-finished product by entering in the air twister of a particular design with 400-700 rice speed per minute after winding wheel; Described air twister is designed with 6 Ge Si roads, and 1-6 root PA66 bulk yarn semi-finished product can be made to carry out doubling twisting; And air twister take compressed air as power make 1-6 root PA66 bulk yarn semi-finished product pool capital after by compressed air blow at a certain angle formation one set twist to and the twist, left and right two-way compressed air channel is designed with in twister, two-way compressed gas channel direction is contrary, after left air flue makes plying, PA66 bulk yarn semi-finished product strand is rotated in a clockwise direction, formed and just twist with the fingers, after right wing air flue makes plying, PA66 bulk yarn semi-finished product strand rotates formation reverse lay in the counterclockwise direction.
A7, for ensureing the positive reverse lay that after plying, PA66 bulk yarn semi-finished product strand formed stable and non-interference, a master network nozzle is designed with after air twister, formed in air twister one twist with the fingers to enter at once master network nozzle after twisting out to the strand with the twist and carry out network and form a network node, separate and non-interference to twist with the fingers PA66 bulk yarn semi-finished product strand after the plying of section with the next one, from master network nozzle out after just define continuously the finished product PA66 bulk yarn strand of positive reverse lay, network composite structure.
A8, finally, then enters winding mechanism by finished product PA66 bulk yarn strand by thread guide and is wound as column type bobbin with the winding speed of 350-650 rice per minute.
Preferably, in A1,1-6 bobbin when being placed on the bobbin cradle of the network combined Multi Role Aircraft of the expanded twisting of drawing-off, each bobbin is configured with unwinding tension control device, to control the PA66 undrafting wire of every with certain uniform tension unwinding out.
Preferably, in A2, from bobbin cradle unwinding 1-6 root PA66 undrafting wire out the entrance of the expanded twisting network machine of drawing-off be combined into one enter draw zone roller time, the temperature of drawing rollers is 110-180 DEG C, the speed 150-800 rice per minute of drawing rollers, draft ratio 3-4 doubly.
Preferably, described in A4 is rapid, the compressed air pressure of pre-network is set in 1.0-2.0bar, and has 5-10 nexus by root PA66 bulk yarn semi-finished product every meter every after pre-network.
Preferably, in A5, the speed adjustable range of described winding wheel is 400-700 rice per minute.
Preferably, in A6 is rapid, be installed on the PLC of compressed air steam line entrance and solenoid control compressed air and enter left and right air flue by a setting-up time control program, make strand continuously obtain positive reverse lay to, under the strand speed of service is 400-700 rice per minute, the time that PLC control compressed air enters left and right air flue is 5-20 millisecond.
Preferably, in A7 is rapid, after plying, PA66 bulk yarn semi-finished product strand enters the speed of master network nozzle is 400-700 rice per minute, and the pressure setting of master network nozzle is 5.0-7.0bar.
Pass through technique scheme, one of the present invention is the positive network combined PA66 bulk yarn of reverse lay continuously, the sth. made by twisting making the carpet yarn PA66 bulk yarn processed have a both direction to, the carpet woven can present the difference continuously light being produced to refraction on physical deformation energy, also can realize a kind of visual angle effect of bright hidden interval; The production technology of a kind of positive reverse lay, network composite PA66 bulk yarn continuously of the present invention, by researching and developing the technique of professional equipment, successfully develop a kind of positive reverse lay, network combined PA66 bulk yarn product and production technology thereof continuously, the sth. made by twisting making the carpet yarn PA66 bulk yarn of processing have a both direction to, the carpet be made into can not only reflect the color at various light and shade interval from different perspectives, can also make whole carpet a kind of peculiar color effect of generation under the setting off of decorative pattern and light and shade interval color and luster.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of positive network combined PA66 bulk yarn of reverse lay continuously disclosed in the embodiment of the present invention;
Fig. 2 is the production technological process of a kind of positive network combined PA66 bulk yarn of reverse lay continuously disclosed in the embodiment of the present invention.
Numeral and the corresponding component title represented by letter in figure:
10.Z twists with the fingers 20.S and twists with the fingers 30. network segment 40. network node 1. bobbin cradles
2. the pre-the nozzle of interlace of the expanded case 5. of bobbin 3. drawing-off wheels 4.
6. be wound around wheels 7. air twister 8.PLC 9. master network nozzle
11.PA66 bulk yarn strand finished product bobbin
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with embodiment and detailed description of the invention, the present invention is further detailed explanation.
Embodiment.
As depicted in figs. 1 and 2, a kind of positive network combined PA66 bulk yarn of reverse lay continuously, comprises just sth. made by twisting that circulation forward and reverse twisting in interval formed to section and reverse lay to section, being defined as Z and twisting with the fingers 10, reverse lay being defined as S to section and twisting with the fingers 20 at this by just twisting with the fingers to section; Described Z sth. made by twisting 10 and described S have network segment 30 between twisting with the fingers 20.
Wherein, described Z twist with the fingers 10 and described S to twist with the fingers 20 length equal, and be 90-110cm; Described network segment 30 comprises 2-3 network node 40, and the length of described network segment 30 is 10-20cm.
On the basis of a kind of positive network combined PA66 bulk yarn of reverse lay continuously of the present invention, the technical program additionally provides a kind of production technology of the positive network combined PA66 bulk yarn of reverse lay continuously, and it mainly comprises the following steps:
One, first cheese 4 bobbins being wound with PA66 undrafting wire are placed on the bobbin cradle of the network combined Multi Role Aircraft of the expanded twisting of drawing-off, individually draw, and each bobbin is configured with unwinding tension control device, to control the PA66 undrafting wire difference unwinding of every out.
Two, be then combined into one by from the 4 PA66 undrafting wires out of unwinding on bobbin cradle at the entrance of the expanded twisting network machine of drawing-off, enter draw zone roller.
Three, be 80-150 DEG C by the temperature of the PA66 undrafting wire after hot gas spring again, be fed through expanded case with the speed of 450-800 rice per minute and carry out bulking, the PA66 undrafting wire through drawing-off and bulking becomes the PA66 bulk yarn semi-finished product being in messy state.
Four, by PA66 bulk yarn semi-finished product from expanded case out after be again divided into 4, enter respectively in pre-the nozzle of interlace and carry out pre-network.
Five, will from pre-the nozzle of interlace out rear 4 PA66 bulk yarn semi-finished product be incorporated into one group of winding wheel, by regulating the speed of winding wheel, make between drawing rollers and winding wheel, to form a speed difference, control the tension force of yarn in pre-the nozzle of interlace within the specific limits.
Six, again by 4 PA66 bulk yarn semi-finished product by entering in the air twister of a particular design with 400-700 rice speed per minute after winding wheel; Described air twister is designed with 6 Ge Si roads, and 4 PA66 bulk yarn semi-finished product can be made to carry out doubling twisting; And air twister take compressed air as power make 4 PA66 bulk yarn semi-finished product plying after by compressed air blow at a certain angle formation one set twist to and the twist, left and right two-way compressed air channel is designed with in twister, two-way compressed gas channel direction is contrary, after left air flue makes plying, PA66 bulk yarn semi-finished product strand is rotated in a clockwise direction, formed and just twist with the fingers, after right wing air flue makes plying, PA66 bulk yarn semi-finished product strand rotates formation reverse lay in the counterclockwise direction.
Seven, for ensureing that the positive reverse lay after plying, PA66 bulk yarn semi-finished product strand formed is stablized and non-interference, a master network nozzle is designed with after air twister, formed in air twister one twist with the fingers to enter at once master network nozzle after twisting out to the strand with the twist and carry out network and form a network node, separate and non-interference to twist with the fingers PA66 bulk yarn semi-finished product strand after the plying of section with the next one, from master network nozzle out after just define continuously the finished product PA66 bulk yarn strand of positive reverse lay, network composite structure.
Eight, finally, then finished product PA66 bulk yarn strand is entered winding mechanism by thread guide be wound as column type bobbin with the winding speed of 350-650 rice per minute.
Again as depicted in figs. 1 and 2, the process of a kind of production technology of positive reverse lay network combined PA66 bulk yarn continuously of the present invention mainly comprises two-part production:
Production to PA66 undrafting wire:
Be that the solid PA66 section of 2.60-2.90 is carried out extrusion molten by 280-310 DEG C of temperature and become molten state spinning melt in screw extruder by relative viscosity, make melt form the pressure of 80-200bar at screw outlet, then under the driving of bolt rotary power, melt is transported to filament spinning component and carries out spinning.The pressure of melt filament spinning component is before entry at 30-100bar, and temperature is 260-300 DEG C, to realize high pressure-temperature spinning.Being installed on spinnerets in filament spinning component is the core component of melt spinning, and the hole count of spinnerets is designed to 20-50 hole.It is the PA66 multifilament be made up of 20-50 root monofilament that melt sprays by spinning in filament spinning component after filtering from spinnerets.
PA66 multifilament is directed to spun filament oiling device and oils after cooling curing, and oil applying rate controls at 0.2-0.6%, and then enters winding head by godet roller, is wound into cheese, becomes PA66-UY(undrafting wire) silk.Winding speed 400-600 m/min, PA66UY(undrafting wire) fiber number of silk is in 1000-2000 DENIER.
Align the production of reverse lay, network combined PA66 bulk yarn:
First using PA66 undrafting wire as precursor, be placed on the network combined Multi Role Aircraft of the expanded twisting of a kind of drawing-off and process, cheese 4 bobbins 2 of PA66-UY silk are placed on the bobbin cradle 1 of the network combined Multi Role Aircraft of the expanded twisting of drawing-off, individually draw, each bobbin 2 is configured with unwinding tension control device, to control the PA66-UY silk of every with the uniform tension unwinding of 50-100 gram out.
From bobbin cradle, unwinding 4 PA66 undrafting wires are out combined into one at the entrance of the expanded twisting network machine of drawing-off, enter draw zone by drawing-off wheels 3 roller.The temperature of drawing rollers is 110-180 DEG C, drawing rollers 150-800 rice per minute, and draft ratio 3-4 doubly.The temperature of the PA66 undrafting wire after hot gas spring is 80-150 DEG C, and be fed through expanded case 4 with the speed of 450-800 rice per minute and carry out bulking, the PA66 undrafting wire through drawing-off and bulking becomes PA66-bulk yarn semi-finished product.
Messy state is in from expanded case 44 PA66 bulk yarn semi-finished product out, monofilament in every root multifilament all can move freely, be unfavorable for twisting processing, therefore, PA66 bulk yarn semi-finished product from expanded case 4 out after be again divided into 4, enter respectively in pre-the nozzle of interlace 5 and carry out pre-network, the compressed air pressure of pre-network is set in 1.0-2.0bar, obtain every meter of 5-10 nexus by root PA66 bulk yarn semi-finished product every after pre-network, so every root PA66 bulk yarn just has good convergence.
From pre-the nozzle of interlace 5 out after 4 PA66 bulk yarn semi-finished product be introduced in one group and be wound around wheels 6, the speed being wound around wheels 6 is 400-700 rice per minute, by regulating the speed being wound around wheels 6, make drawing rollers drawing-off wheels 3 and be wound around between wheels 6 to form a speed difference, control the tension force of yarn in pre-the nozzle of interlace 5 within the scope of 20-80 gram.4 PA66 bulk yarn semi-finished product are by entering the air twister 7 of a particular design with 400-700 rice speed per minute after winding wheels 6.
Air twister 7 is designed with 6 Ge Si roads, and 4 PA66 bulk yarn semi-finished product can be made to carry out doubling twisting.Air twister 7 with compressed air be after power makes 4 PA66 bulk yarn semi-finished product plying by compressed air blow at a certain angle formation one set twist to and the twist, left and right two-way compressed air channel is designed with in twisting apparatus 7, two-way compressed gas channel direction is contrary, left air flue makes strand be rotated in a clockwise direction, formed and just twist with the fingers, namely Z twists with the fingers 10, and right wing air flue makes PA66 bulk yarn semi-finished product strand rotate formation reverse lay in the counterclockwise direction, and namely S twists with the fingers 20; Described Z sth. made by twisting 10 and described S have network segment 30 between twisting with the fingers 20.Be installed on the PLC8 of compressed air steam line entrance and solenoid control compressed air and enter left and right air flue by a setting-up time control program, make PA66 bulk yarn semi-finished product strand continuously obtain positive reverse lay to, under the PA66 bulk yarn semi-finished product strand speed of service is 400-700 rice per minute, the time that PLC8 control compressed air enters left and right air flue is 5-20 millisecond.
For ensureing that the positive reverse lay formed on plying PA66 bulk yarn strand is stablized and non-interference, a master network nozzle 9 is designed with after air twister 7, twist with the fingers for one that is formed in air twister 7 and carry out network and form a network node 40 to entering at once master network nozzle 9 after twisting out with the plying PA66 bulk yarn strand of the twist and separate and non-interference with the plying PA66 bulk yarn strand twisted with the fingers to section with the next one, under the speed 400-700 rice per minute that plying PA66 bulk yarn strand enters master network nozzle 9, the pressure setting of master network nozzle 9 is 5.0-7.0bar.Also controlled by an electromagnetic valve and the time relay at master network nozzle 9, master network nozzle 9 is entered to make compressed air discontinuous, the time point that compressed air enters master network nozzle 9 is the moment of changing at air twister 7 air flue, guarantee formed network node 40 be positive reverse lay on PA66 bulk yarn strand conversion between put on, the time relay period of switching time of master network nozzle 9 is 5-20 millisecond.
From master network nozzle 9 out after PA66 bulk yarn strand just define continuously the PA66 bulk yarn strand finished product of positive reverse lay, network composite structure, then strand enters winding mechanism by thread guide and is wound as PA66 bulk yarn strand finished product bobbin 11, winding speed is 350-650 m/min, winding tension 20-30 gram.
Pass through technique scheme, one of the present invention is the positive network combined PA66 bulk yarn of reverse lay continuously, the sth. made by twisting making the carpet yarn PA66 bulk yarn processed have a both direction to, the carpet woven can present the difference continuously light being produced to refraction on physical deformation energy, also can realize a kind of visual angle effect of bright hidden interval; The production technology of a kind of positive reverse lay, network composite PA66 bulk yarn continuously of the present invention, by researching and developing the technique of professional equipment, successfully develop a kind of positive reverse lay, network combined PA66 bulk yarn product and production technology thereof continuously, the sth. made by twisting making the carpet yarn PA66 bulk yarn of processing have a both direction to, the carpet be made into can not only reflect the color at various light and shade interval from different perspectives, can also make whole carpet a kind of peculiar color effect of generation under the setting off of decorative pattern and light and shade interval color and luster.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. the continuous positive network combined PA66 bulk yarn of reverse lay, is characterized in that, comprises just sth. made by twisting that circulation forward and reverse twisting in interval formed to section and reverse lay to section, being defined as Z and twisting with the fingers, reverse lay being defined as S to section and twisting with the fingers at this by just twisting with the fingers to section; Between described Z sth. made by twisting and described S twist with the fingers, there is network segment.
2. the one according to claim 1 positive network combined PA66 bulk yarn of reverse lay continuously, it is characterized in that, described Z twists with the fingers equal with described S length of lay degree, and is 90-110cm.
3. the one according to claim 1 and 2 positive network combined PA66 bulk yarn of reverse lay continuously, it is characterized in that, described network segment comprises 2-3 network node, and the length of described network segment is 10-20cm.
4. a production technology for the continuous positive network combined PA66 bulk yarn of reverse lay, is characterized in that, comprise the following steps:
The first step, the cheese 1-6 bobbin being wound with PA66 undrafting wire is placed on the bobbin cradle of the network combined Multi Role Aircraft of the expanded twisting of drawing-off, individually draw, and each bobbin is configured with unwinding tension control device, to control the PA66 undrafting wire difference unwinding of every out.
Second step, be combined into one from the 1-6 root PA66 undrafting wire out of unwinding bobbin cradle at the entrance of the expanded twisting network machine of drawing-off, enter draw zone roller.
The temperature of the 3rd step, PA66 undrafting wire after hot gas spring is 80-150 DEG C, be fed through expanded case with the speed of 450-800 rice per minute and carry out bulking, the PA66 undrafting wire through drawing-off and bulking becomes the PA66 bulk yarn semi-finished product being in messy state.
4th step, PA66 bulk yarn semi-finished product from expanded case out after be again divided into 1-6 root, enter respectively in pre-the nozzle of interlace and carry out pre-network.
5th step, will from pre-the nozzle of interlace out after 1-6 root PA66 bulk yarn semi-finished product be incorporated into one group of winding wheel, by regulating the speed of winding wheel, make between drawing rollers and winding wheel, to form a speed difference, control the tension force of yarn in pre-the nozzle of interlace within the specific limits.
6th step, again by 1-6 root PA66 bulk yarn semi-finished product by entering in the air twister of a particular design with 400-700 rice speed per minute after winding wheel; Described air twister is designed with 6 Ge Si roads, and 1-6 root PA66 bulk yarn semi-finished product can be made to carry out doubling twisting; And air twister take compressed air as power make 1-6 root PA66 bulk yarn semi-finished product pool capital after by compressed air blow at a certain angle formation one set twist to and the twist, left and right two-way compressed air channel is designed with in twister, two-way compressed gas channel direction is contrary, after left air flue makes plying, PA66 bulk yarn semi-finished product strand is rotated in a clockwise direction, formed and just twist with the fingers, after right wing air flue makes plying, PA66 bulk yarn semi-finished product strand rotates formation reverse lay in the counterclockwise direction.
7th step, for ensureing the positive reverse lay that after plying, PA66 bulk yarn semi-finished product strand formed stable and non-interference, a master network nozzle is designed with after air twister, formed in air twister one twist with the fingers to enter at once master network nozzle after twisting out to the strand with the twist and carry out network and form a network node, separate and non-interference to twist with the fingers PA66 bulk yarn semi-finished product strand after the plying of section with the next one, from master network nozzle out after just define continuously the finished product PA66 bulk yarn strand of positive reverse lay, network composite structure.
8th step, finally, then enters winding mechanism by finished product PA66 bulk yarn strand by thread guide and is wound as column type bobbin with the winding speed of 350-650 rice per minute.
5. the production technology of a kind of positive network combined PA66 bulk yarn of reverse lay continuously according to claim 4, it is characterized in that, in a first step, 1-6 bobbin when being placed on the bobbin cradle of the network combined Multi Role Aircraft of the expanded twisting of drawing-off, each bobbin is configured with unwinding tension control device, to control the PA66 undrafting wire of every with certain uniform tension unwinding out.
6. the production technology of a kind of positive network combined PA66 bulk yarn of reverse lay continuously according to claim 4, it is characterized in that, in the second step, from bobbin cradle unwinding 1-6 root PA66 undrafting wire out the entrance of the expanded twisting network machine of drawing-off be combined into one enter draw zone roller time, the temperature of drawing rollers is 110-180 DEG C, the speed 150-800 rice per minute of drawing rollers, draft ratio 3-4 doubly.
7. the production technology of a kind of positive network combined PA66 bulk yarn of reverse lay continuously according to claim 4, it is characterized in that, in the 4th step, the compressed air pressure of pre-network is set in 1.0-2.0bar, and has 5-10 nexus by root PA66 bulk yarn semi-finished product every meter every after pre-network.
8. the production technology of a kind of positive network combined PA66 bulk yarn of reverse lay continuously according to claim 4, it is characterized in that, in the 5th step, the speed adjustable range of described winding wheel is 400-700 rice per minute.
9. the production technology of a kind of positive network combined PA66 bulk yarn of reverse lay continuously according to claim 4, it is characterized in that, in the 6th step, be installed on the PLC of compressed air steam line entrance and solenoid control compressed air and enter left and right air flue by a setting-up time control program, make strand continuously obtain positive reverse lay to, under the strand speed of service is 400-700 rice per minute, the time that PLC control compressed air enters left and right air flue is 5-20 millisecond.
10. the production technology of a kind of positive network combined PA66 bulk yarn of reverse lay continuously according to claim 4, it is characterized in that, in the 7th step, after plying, PA66 bulk yarn semi-finished product strand enters the speed of master network nozzle is 400-700 rice per minute, and the pressure setting of master network nozzle is 5.0-7.0bar.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106868677A (en) * | 2017-04-07 | 2017-06-20 | 长乐恒申合纤科技有限公司 | Draw a design device and the proofing method of a kind of network yarn |
| CN112301492A (en) * | 2020-09-30 | 2021-02-02 | 鲁泰纺织股份有限公司 | Preparation method of pure cotton bulked yarn with external-loose and internal-tight structure |
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| CN106120001A (en) * | 2016-08-26 | 2016-11-16 | 山东合信科技股份有限公司 | A kind of high-tenacity heat-resisting PA66 undrawn yarn and production technology thereof |
| CN106868677A (en) * | 2017-04-07 | 2017-06-20 | 长乐恒申合纤科技有限公司 | Draw a design device and the proofing method of a kind of network yarn |
| CN112301492A (en) * | 2020-09-30 | 2021-02-02 | 鲁泰纺织股份有限公司 | Preparation method of pure cotton bulked yarn with external-loose and internal-tight structure |
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|---|---|
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