CN107190387A - A kind of production method for being electromagnetically shielded covering yarn - Google Patents

A kind of production method for being electromagnetically shielded covering yarn Download PDF

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Publication number
CN107190387A
CN107190387A CN201710578073.2A CN201710578073A CN107190387A CN 107190387 A CN107190387 A CN 107190387A CN 201710578073 A CN201710578073 A CN 201710578073A CN 107190387 A CN107190387 A CN 107190387A
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China
Prior art keywords
yarn
heart yarn
heart
spandex
feed
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Granted
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CN201710578073.2A
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CN107190387B (en
Inventor
张娣
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Jixiang hi tech Textile Co Ltd
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Hefei Coast Technology Co Ltd
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/328Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36Cored or coated yarns or threads

Abstract

The present invention provides a kind of production method for being electromagnetically shielded covering yarn, including outsourcing yarn and heart yarn, outsourcing yarn is the Quality Pure Cotton Yarn Production acted on heavy twist, the heart yarn is wrapped in the inside of outsourcing yarn, heart yarn includes spandex filament and stainless steel filament, spandex filament is wrapped on stainless steel filament with weak twist effect, spinned during production on the spinning frame for install additional core-spun yarn device, the looping of spandex and stainless steel filament is acted on before the device rotated by using being driven by motor realizes feeding, the double long filament looping structures then formed between the two are integrally fed as heart yarn carries out cored effect between the yarn that acts on by drawing-off, so as to obtain required cotton/spandex/stainless steel covering yarn, realize the production with more double filament core-spun yarns of compact structure, improve cored effect, improve resultant yarn comprehensive quality.

Description

A kind of production method for being electromagnetically shielded covering yarn
Technical field
The present invention relates to ring spinning new technical field, a kind of production for being electromagnetically shielded covering yarn is particularly related to Method.
Background technology
Covering yarn refers to a kind of composite yarn combined by heart yarn and sheath yarn, typically using long filament as heart yarn, short fine for outsourcing Fiber(Sheath yarn), its feature is the combination by outer wrapping fiber and heart yarn, can play respective advantage, make up both sides not Foot, maximizes favourable factors and minimizes unfavourable ones, and optimizes the structure and characteristic of resultant yarn.Existing more than the 40 years history of covering yarn production, the demand of product is continuously increased, Relative yarn kind is also enriched constantly.At present, the whole world about more than 1,000 ten thousand ingot covering yarns, it is contemplated that every year will also be with 20-30 The speed of ten thousand ingots increases.Therefore, covering yarn has very wide market prospects.
At present, the production technology of covering yarn is broadly divided into following three kinds:The first is that heart yarn is added on spinning process, Form covering yarn, outer wrapping fiber first passes through Roving Frames and obtains required outsourcing rove, then outsourcing rove on spinning frame by Drawn and attenuated after rear roller feeding through drafting process by attenuating, core filaments are fed by feeding unit by front roller, and both are twisted together Covering yarn is formed, cladding of the outsourcing chopped fiber to heart yarn is realized;Second is that heart yarn is added on wrap yarn machine, forms cored Yarn, cotton yarn is first twisted to form cotton yarn bobbin, and heart yarn passes through the hollow spindle of wrap yarn machine by feeding roller on coating machine Center, cotton yarn bobbin is fixed on hollow spindle, by the rotation of cotton yarn tube and spindle, and cotton yarn is wrapped on heart yarn, shape Into covering yarn;The third is to add heart yarn by the method for doubling, forms covering yarn, sliver is processed into after spun yarn, in doubling On machine, heart yarn is merged by feeding roller drawing-off with cotton yarn, is formed folded yarn, is wound into stock yarn bobbin, stock yarn bobbin It is placed on chopped fiber two-for-one twisting machine, is twisted stock yarn by double-twisting machine spindle, forms covering yarn.Wherein it is in the first manner It is main, and covering yarn spinning generally on ring spinning frame, wire guiding device of core-spun yarn is one of most important of which part, is played Fixed, the control heart yarn direction of motion effect.At present, wire guiding device of core-spun yarn is typically to be filled by a pair of godet rollers and one are fixed Composition is put, it heart yarn usually occurs in use, and direction is unstable in unwinding, the tension force suffered by heart yarn is uneven, yarn The problems such as line Rose.
Pin is in this regard, the present invention provides a kind of production method for being electromagnetically shielded covering yarn, by using by motor drive rotation Device realize feeding before spandex and stainless steel filament looping effect, the double long filament looping structures then formed between the two Integrally fed as heart yarn and carry out cored effect between the yarn that acts on by drawing-off, so that cotton/spandex needed for obtaining/no Become rusty ladle heart yarn, realizes the production with more double filament core-spun yarns of compact structure, improves cored effect, improves resultant yarn and integrates Quality.
The content of the invention
The purpose of the present invention provides a kind of production method for being electromagnetically shielded covering yarn, to realize with more compact structure The production of double filament core-spun yarns, improves cored effect, improves resultant yarn comprehensive quality.
In order to achieve the above object, covering yarn, including outsourcing yarn and heart yarn are electromagnetically shielded the present invention relates to one kind, it is described outer Bag yarn is the Quality Pure Cotton Yarn Production acted on heavy twist, and the heart yarn is wrapped in the inside of outsourcing yarn, the heart yarn include spandex filament and Stainless steel filament, the spandex filament is wrapped on stainless steel filament with weak twist effect.
The invention further relates to a kind of production method for being electromagnetically shielded covering yarn, spun on the spinning frame for install additional core-spun yarn device System, core-spun yarn device includes connecting up bar, and the bar that connects up is rectangular parallelepiped structure, in the length for connecting up bar Middle part be provided with connecting hole, connection cross bar is fixedly connected with bar in described connect up, the connection cross bar be cylinder Shape structure, the connection cross bar, which is passed through, connects up the connecting hole of bar, and is fixed by screws in and connects up on bar, described The left end and right-hand member for connecting cross bar symmetrically add left heart yarn feeding unit and right heart yarn feeding unit, the left heart yarn feeding dress Put identical with the structure of right heart yarn feeding unit, the left heart yarn feeding unit and right heart yarn feeding unit are fed including heart yarn Enter bar, the heart yarn feed arm is cylindrical hollow-core construction, and the heart yarn feed arm includes upper heart yarn feed arm and lower heart yarn Feed arm, the upper heart yarn feed arm is identical with lower heart yarn feed arm structure, the upper heart yarn feed arm and lower heart yarn feed arm Top and bottom open, the top of the upper heart yarn feed arm of the left heart yarn feeding unit and right heart yarn feeding unit difference It is fixedly connected with the left end and right-hand member for being connected cross bar, the twist is connected between heart yarn feed arm and lower heart yarn feed arm on described Device, the twist device includes rotating roller, and the rotating roller is hollow cylindrical structural, and the upper end of the rotating roller is with End is opened, and the transversal disc diameter of the rotating roller is more than the transversal disc diameter of heart yarn feed arm, the rotating roller it is upper End is connected by upper bearing (metal) with the lower end of upper heart yarn feed arm, and the lower end of the rotating roller passes through lower bearing and lower heart yarn feed arm Upper end connection, the inside of the rotating roller from top to bottom at equal intervals be provided with the first feed carrier, the second guide dress Put, the 3rd feed carrier, first feed carrier, the second feed carrier, the 3rd feed carrier structure be identical, and described first leads Yarn feeding device, the second feed carrier, the 3rd feed carrier include yarn guiding wheel, and yarn guiding trough, described first are provided with the yarn guiding wheel Feed carrier, the second feed carrier, the godet roller of the 3rd feed carrier pass through the first pitman, the second pitman, the 3rd respectively Pitman is fixed in rotating roller, and the rotating roller is driven counterclockwise or rotated clockwise by motor by belt, under described The left side and right side of the lower port of heart yarn feed arm are connected to left branching rod and right pole, the left branching rod and right branching rod structure Identical, the line of the fixing point of the left branching rod and right pole in the lower port of lower heart yarn feed arm passes through lower heart yarn feed arm Lower port the center of circle, the 4th feed carrier, the 4th feed carrier and are connected with the left branching rod and right pole One feed carrier, the second feed carrier, the 3rd feed carrier structure it is identical, the 4th feed carrier passes through the 4th pitman It is fixed on left branching rod and right pole, the left end of the 4th pitman is fixedly connected with left branching rod, the 4th pitman Right-hand member is fixedly connected with right pole;During spinning, core-spun yarn device is fixed on the reel cage of spinning frame by connecting up bar, pure cotton Rove is fed by the anterior horn mouth of the rear roller of spinning frame, and after after the drawing-off effect through rear roller, middle roller, front roller by The jaw output of front roller, obtains pure cotton yarn, spandex filament is after heart yarn cylinder actively export by the upper end of upper heart yarn feed arm Mouth penetrates heart yarn feed arm, is then passed through from the top of the yarn guiding trough of the yarn guiding wheel of the first feed carrier, then from the second guide The bottom of the yarn guiding trough of the yarn guiding wheel of device passes through, then pass through from the top of the yarn guiding trough of the yarn guiding wheel of the 3rd feed carrier, Heart yarn feed arm, the yarn guiding trough of the last yarn guiding wheel from the 4th feed carrier are then passed by the lower port of lower heart yarn feed arm Bottom is passed through, while motor is rotated by belt drive rotating roller, the twist is twisted in the direction that rotating roller is rotated with pure cotton yarn Twist direction is consistent, stainless steel filament by heart yarn cylinder actively export after by the 4th feed carrier yarn guiding wheel yarn guiding trough top Pass through, then stainless steel filament and spandex filament feed front roller rear portion jointly, both act on via the pressing of front roller jointly, Now due to the rotation of rotating roller, the first feed carrier, the second feed carrier, the 3rd feed carrier guide rotation are then driven It is dynamic, then drive spandex thread to rotate so as to produce the spandex winding twist, in one end of spandex thread and stainless steel filament by front roller Pressing causes in the presence of the spandex thread between the 3rd feed carrier and front roller winds the twist in spandex not after gripping It is disconnected to be wrapped on stainless steel filament, the heart yarn before feed, heart yarn before then feeding via after front roller pressing gripping by Exported at front roller nip, the heart yarn before now feeding is located at the centre of pure cotton yarn, then in the effect of the twisting twist Under, pure cotton yarn is constantly twisted into outsourcing yarn, and the heart yarn after feeding is wrapped up, final cotton/spandex/stainless steel cored is obtained Yarn, due to the disappearance of gripping point during this so that the spandex winding twist of the spandex filament on stainless steel filament disappears in heart yarn Lose, then spandex is constantly unwind from stainless steel filament, but pure cotton yarn twists into outsourcing yarn and heart yarn is carried out simultaneously During parcel, because the twist direction that the twisting twist and spandex wind the twist is identical so that spandex is from the unwinding quilt on stainless steel filament Prevent, then make it that spandex filament acts on looping under the spandex winding twist that a part retains with weak twist in the heart yarn after feeding On stainless steel filament.Specifically include following steps:
The first step:By cotton fiber through Blowing carding, pre-drawing, bar and roll up, combing, drafting, to obtain pure cotton thick for Roving Frames processing Yarn;Blowing carding uses BO-A types automatic plucker, SP-MF multifunctional separators, MX-I6 multi-mixers, CL-C1 kirschner beaters The different fine machine of scutcher, YQ600H, SP-DX heavy-duties, TC5-1C carding machines, pre-drawing use FA313B pre-drawing machines, and bar is simultaneously Volume uses CL15 draw frame and lap machine combineds, and combing uses CJ-60 combing machines, and strip adoption HSR1000 drawing frames, and rove is used JWF1415 fly frames;
Second step:Pure cotton rove, spandex filament, stainless steel filament are fed to the QFA1528 spun yarns for installing core-spun yarn device additional jointly Machine, processing obtains final cotton/spandex/stainless steel covering yarn.
The device that the present invention is rotated by using being driven by motor realizes the looping of spandex and stainless steel filament before feeding Effect, the double long filament looping structures then formed between the two are integrally fed as heart yarn between the yarn that acts on by drawing-off Cored effect is carried out, so as to obtain required cotton/spandex/stainless steel covering yarn, double long filaments with more compact structure are realized The production of covering yarn, improves cored effect, improves resultant yarn comprehensive quality.
Brief description of the drawings
Fig. 1 is core-spun yarn device structural representation of the invention.
Embodiment
One kind electromagnetic shielding covering yarn, including outsourcing yarn and heart yarn, outsourcing yarn is the Quality Pure Cotton Yarn Production acted on heavy twist, heart yarn The inside of outsourcing yarn is wrapped in, heart yarn includes spandex filament and stainless steel filament, and spandex filament is wrapped over stainless with weak twist effect On steel long filament.
In use, being spinned on the spinning frame for install additional core-spun yarn device, core-spun yarn device includes connecting up bar 1, upwards Connecting rod is rectangular parallelepiped structure, and connecting hole is provided with the middle part for the length for connecting up bar, fixed on bar is connected up Connection cross bar 2 is connected with, connection cross bar is cylindrical structural, and connection cross bar passes through the connecting hole for connecting up bar, and passes through spiral shell Nail 3, which is fixed on, to be connected up on bar, and left heart yarn feeding unit 4 and right heart yarn are symmetrically added in the left end and right-hand member of connection cross bar Feeding unit 5, left heart yarn feeding unit is identical with the structure of right heart yarn feeding unit, left heart yarn feeding unit and right heart yarn Feeding unit includes heart yarn feed arm, and heart yarn feed arm is cylindrical hollow-core construction, and heart yarn feed arm includes upper heart yarn and fed Bar 6 and lower heart yarn feed arm 19, upper heart yarn feed arm are identical with lower heart yarn feed arm structure, and upper heart yarn feed arm and lower heart yarn are fed The top and bottom for entering bar are opened, the top difference of the upper heart yarn feed arm of left heart yarn feeding unit and right heart yarn feeding unit It is fixedly connected with the left end and right-hand member for being connected cross bar, twist dress is connected between upper heart yarn feed arm and lower heart yarn feed arm Put, twist device includes rotating roller 7, rotating roller is hollow cylindrical structural, and the top and bottom of rotating roller open, rotated The transversal disc diameter of roller is more than the transversal disc diameter of heart yarn feed arm, and the upper end of rotating roller passes through upper bearing (metal) 8 and upper heart yarn The lower end connection of feed arm, the lower end of rotating roller is connected by lower bearing 9 with the upper end of lower heart yarn feed arm, in rotating roller Portion from top to bottom at equal intervals be provided with the first feed carrier 10, the second feed carrier 11, the 3rd feed carrier 12, first leads Yarn feeding device, the second feed carrier, the 3rd feed carrier structure are identical, the first feed carrier, the second feed carrier, the 3rd guide dress Put including yarn guiding wheel, be provided with yarn guiding trough 16 on yarn guiding wheel, the first feed carrier, the second feed carrier, the 3rd feed carrier Godet roller is fixed in rotating roller by the first pitman 13, the second pitman 14, the 3rd pitman 15 respectively, and rotating roller passes through Belt is driven counterclockwise or rotated clockwise by motor, is connected in the left side and right side of the lower port of lower heart yarn feed arm Left branching rod 20 and right pole 21, left branching rod are identical with right branching rod structure, and left branching rod and right pole are in the lower end of lower heart yarn feed arm The line of fixing point on mouth is connected with the 4th through the center of circle of the lower port of lower heart yarn feed arm on left branching rod and right pole Feed carrier 17, the 4th feed carrier is identical with the structure of the first feed carrier, the second feed carrier, the 3rd feed carrier, the Four feed carriers are fixed on left branching rod and right pole by the 4th pitman 18, and the left end of the 4th pitman is fixed with left branching rod Connection, the right-hand member of the 4th pitman is fixedly connected with right pole.
During spinning, core-spun yarn device is fixed on the reel cage of spinning frame by connecting up bar 1, and pure cotton rove is by spinning frame The anterior horn mouth feeding of rear roller, and after after the drawing-off effect through rear roller, middle roller, front roller by front roller jaw Output, obtains pure cotton yarn, and spandex filament penetrates heart yarn by the upper port of upper heart yarn feed arm 6 after heart yarn cylinder actively export and fed Enter bar, then passed through from the top of the yarn guiding trough of the yarn guiding wheel of the first feed carrier 10, then leading from the second feed carrier 11 The bottom of the yarn guiding trough of yarn wheel passes through, then pass through from the top of the yarn guiding trough of the yarn guiding wheel of the 3rd feed carrier 12, then by The lower port of lower heart yarn feed arm 19 passes heart yarn feed arm, last under the yarn guiding trough of the yarn guiding wheel of the 4th feed carrier 17 Portion is passed through, while motor is rotated by belt drive rotating roller, the sth. made by twisting of the twist is twisted in the direction that rotating roller 7 is rotated with pure cotton yarn To being consistent, stainless steel filament by heart yarn cylinder actively export after by the 4th feed carrier 17 yarn guiding wheel yarn guiding trough top Pass through, then stainless steel filament and spandex filament feed front roller rear portion jointly, both act on via the pressing of front roller jointly, Now due to the rotation of rotating roller 7, the first feed carrier 10, the second feed carrier 11, the 3rd feed carrier 12 is then driven to lead Yarn wheel is rotated, and then drives spandex thread to rotate so as to produce the spandex winding twist, in spandex thread and one end quilt of stainless steel filament Front roller pressing to wind the twist in spandex in the spandex thread between the 3rd feed carrier 12 and front roller after gripping Constantly it is wrapped under effect on stainless steel filament, the heart yarn before being fed, the heart yarn before then feeding is pressed via front roller Exported, the heart yarn before now feeding is located at the centre of pure cotton yarn, then twisted with the fingers in twisting by front roller nip after gripping In the presence of degree, pure cotton yarn is constantly twisted into outsourcing yarn, and the heart yarn after feeding is wrapped up, and obtains final cotton/spandex/no Become rusty ladle heart yarn, due to the disappearance of gripping point during this so that spandex of the spandex filament on stainless steel filament is twined in heart yarn Disappeared around the twist, then spandex is constantly unwind from stainless steel filament, but pure cotton yarn twists into outsourcing yarn and right simultaneously When heart yarn is wrapped up, because the twisting twist is identical with the twist direction that spandex winds the twist so that spandex is from stainless steel filament Unwinding be prevented from, then cause feeding after heart yarn in spandex filament a part retain spandex winding the twist under with weak twist Effect is wrapped on stainless steel filament.Specifically include following steps:
The first step:By cotton fiber through Blowing carding, pre-drawing, bar and roll up, combing, drafting, to obtain pure cotton thick for Roving Frames processing Yarn;Blowing carding uses BO-A types automatic plucker, SP-MF multifunctional separators, MX-I6 multi-mixers, CL-C1 kirschner beaters The different fine machine of scutcher, YQ600H, SP-DX heavy-duties, TC5-1C carding machines, pre-drawing use FA313B pre-drawing machines, and bar is simultaneously Volume uses CL15 draw frame and lap machine combineds, and combing uses CJ-60 combing machines, and strip adoption HSR1000 drawing frames, and rove is used JWF1415 fly frames;Quantification of 22.5g/5m wherein in cotton carding, bar cylinder capacity 8500m, licker-in, cylinder, cover plate, doffing speed Respectively 1025r/min, 470r/min, 240r/min, 125r/min, cylinder-Flat Gauge is respectively 9/1000 ", 8/ 1000 ", 8/1000 ", 8/1000 ", 8/1000 ", 9/1000 ", cylinder-doffer's gauge is 8/1000 ", cylinder-licker-in gauge is 9/1000";Number of doubling 6 in pre-drawing, quantitative 22.36g/5m, mechanical commutation draft 6.356, resultant draft 6.0382, Draft Effect 95%, 1.4 times of back area draft, pressure roller shaft 5mm encloses bar diameter 380mm, roller gauge is respectively 9mm, 7mm, 15mm, sliver exporting speed Belt wheel ~ 1.034 times of pressure roller wire rod, rear roller ~ feed roll motor 0.977 in 400m/min, horn mouth diameter 3.2mm, Pullin performances Again, 1.077 times of feed roll motor ~ conducting bar roller, 1.0142 times of pressure roller ~ front roller;The quantitative 61.59g/m of silver lap in bar and volume, and Close number 28, mechanical commutation draft 2.14, resultant draft 2.033, the m of lap length 300, roller diameter be respectively 40mm, 25.5 mm, 35mm, Draft Effect 95%, leather roller diameter is 45mm;Quantitative 22.71g/5m in combing, and with radical 8, back area draft 1.36 Times, combing pincers time 400min, cotton noils rate 15% gives cotton length 4.28mm, and roller gauge is respectively 4mm, 9mm, gives cotton mode To retreat to cotton, feeding from lap roller -1.092 times of feed roll motor in Pullin performances, 6.212 times of detaching roller-feed roll motor is drawn 1.067 times of roller-detaching roller, table top pressure roller -1.05 times of extraction roller, first break draft roller -1.047 times of table top pressure roller is led Stretch 1.021 times of the drawing rollers of large pressuring roller-first, circle bar pressure roller -1.028 times of drawing-off large pressuring roller;Quantitative 22.71 g/ in drafting 5m, resultant draft 5.997, mechanical commutation draft 6.312, Draft Effect 95%, and with radical 6, sliver exporting speed 400m/min;Rove is determined 5g/10m is measured, 7.40 times of mechanical commutation draft, 7.03 times of resultant draft, Draft Effect 95%, roving twist 4.004 twists with the fingers/10cm, twists with the fingers system Number 105.7, ingot speed 671.6;
Second step:Pure cotton rove, spandex filament, stainless steel filament are fed to the QFA1528 spun yarns for installing core-spun yarn device additional jointly Machine, processing obtains final cotton/spandex/stainless steel covering yarn, wherein spun yarn Dry Weight per Unit 3.355g/100m, wire loop model U1ULudr1/0, spindle rotating speed 9000r/min, choose twist 646.9T/m.

Claims (1)

1. a kind of production method for being electromagnetically shielded covering yarn, including a kind of electromagnetic shielding covering yarn, the electromagnetic shielding covering yarn Including outsourcing yarn and heart yarn, the outsourcing yarn is the Quality Pure Cotton Yarn Production acted on heavy twist, and the heart yarn is wrapped in the inside of outsourcing yarn, The heart yarn includes spandex filament and stainless steel filament, and the spandex filament is wrapped on stainless steel filament with weak twist effect, its It is characterised by:Spinned on the spinning frame for install additional core-spun yarn device, core-spun yarn device includes connecting up bar, described to connect up Bar is rectangular parallelepiped structure, is provided with connecting hole in the middle part of the length for connecting up bar, is connected up described on bar Connection cross bar is fixedly connected with, the connection cross bar is cylindrical structural, and the connection cross bar passes through the connection for connecting up bar Hole, and be fixed by screws in and connect up on bar, symmetrically adding left heart yarn in the left end and right-hand member of the connection cross bar feeds Enter device and right heart yarn feeding unit, the left heart yarn feeding unit is identical with the structure of right heart yarn feeding unit, described Left heart yarn feeding unit and right heart yarn feeding unit include heart yarn feed arm, and the heart yarn feed arm is cylindrical hollow knot Structure, the heart yarn feed arm includes upper heart yarn feed arm and lower heart yarn feed arm, upper heart yarn feed arm and lower the heart yarn feeding Bar structure is identical, and the top and bottom of the upper heart yarn feed arm and lower heart yarn feed arm are opened, the left heart yarn feeding dress Put and be fixedly connected respectively with being connected the left end and right-hand member of cross bar with the top of the upper heart yarn feed arm of right heart yarn feeding unit, in institute State and twist device is connected between heart yarn feed arm and lower heart yarn feed arm, the twist device includes rotating roller, described turn Dynamic roller is hollow cylindrical structural, and the top and bottom of the rotating roller are opened, the transversal disc diameter of the rotating roller More than the transversal disc diameter of heart yarn feed arm, the upper end of the rotating roller is connected by the lower end of upper bearing (metal) and upper heart yarn feed arm Connect, the lower end of the rotating roller is connected by lower bearing with the upper end of lower heart yarn feed arm, in the inside of the rotating roller from upper The first feed carrier, the second feed carrier, the 3rd feed carrier are provided with at equal intervals, first feed carrier, Second feed carrier, the 3rd feed carrier structure are identical, first feed carrier, the second feed carrier, the 3rd feed carrier Including yarn guiding wheel, yarn guiding trough, first feed carrier, the second feed carrier, the 3rd guide dress are provided with the yarn guiding wheel The godet roller put is fixed in rotating roller by the first pitman, the second pitman, the 3rd pitman respectively, and the rotating roller is led to Cross belt to be driven counterclockwise or rotated clockwise by motor, distinguish in the left side of the lower port of the lower heart yarn feed arm and right side Left branching rod and right pole are connected with, the left branching rod is identical with right branching rod structure, the left branching rod and right pole are fed in lower heart yarn Enter the line of fixing point in the lower port of bar through the center of circle of the lower port of lower heart yarn feed arm, in the left branching rod and right branch The 4th feed carrier, the 4th feed carrier and the first feed carrier, the second feed carrier, the 3rd guide dress are connected with bar The structure put is identical, and the 4th feed carrier is fixed on left branching rod and right pole by the 4th pitman, and the described 4th connects The left end taken over the baton is fixedly connected with left branching rod, and the right-hand member of the 4th pitman is fixedly connected with right pole;During spinning, covering yarn Device is fixed on the reel cage of spinning frame by connecting up bar, and pure cotton rove is fed by the anterior horn mouth of the rear roller of spinning frame Enter, and after through rear roller, middle roller, front roller drawing-off effect after by front roller jaw export, obtain pure cotton yarn, spandex Long filament penetrates heart yarn feed arm after heart yarn cylinder actively export by the upper port of upper heart yarn feed arm, then from the first feed carrier The top of yarn guiding trough of yarn guiding wheel pass through, then pass through, then from the bottom of the yarn guiding trough of the yarn guiding wheel of the second feed carrier Passed through from the top of the yarn guiding trough of the yarn guiding wheel of the 3rd feed carrier, then by the lower port of lower heart yarn feed arm pass heart yarn feed Enter bar, finally passed through from the bottom of the yarn guiding trough of the yarn guiding wheel of the 4th feed carrier, while motor passes through belt drive rotating roller Rotate, the twist direction that the twist is twisted in the direction that rotating roller is rotated with pure cotton yarn is consistent, stainless steel filament is by heart yarn cylinder active Passed through after export by the top of the yarn guiding trough of the yarn guiding wheel of the 4th feed carrier, then stainless steel filament and spandex filament are fed jointly Enter front roller rear portion, both act on via the pressing of front roller jointly, now due to the rotation of rotating roller, then drive first to lead Yarn feeding device, the second feed carrier, the 3rd feed carrier yarn guiding wheel are rotated, and then drive spandex thread to rotate to produce spandex winding The twist, causes positioned at the 3rd feed carrier and preceding sieve after being gripped in one end of spandex thread and stainless steel filament by front roller pressing Spandex thread between drawing is constantly wrapped on stainless steel filament in the presence of the spandex winding twist, the heart yarn before being fed, Heart yarn before then feeding is exported after being gripped via front roller pressing by front roller nip, and the heart yarn before now feeding is located at pure The centre of cotton yarn, then in the presence of the twisting twist, pure cotton yarn is constantly twisted into outsourcing yarn, after feeding Heart yarn is wrapped up, and obtains final cotton/spandex/stainless steel covering yarn, due to the disappearance of gripping point during this so that ammonia in heart yarn The spandex winding twist of the synthetic fibre long filament on stainless steel filament disappears, and then spandex is constantly unwind from stainless steel filament, but When pure cotton yarn twists into outsourcing yarn and heart yarn is wrapped up simultaneously, due to the twisting twist and the twist direction phase of the spandex winding twist Together so that spandex is prevented from from the unwinding on stainless steel filament, then make it that spandex filament is at one in the heart yarn after feeding It is wrapped under the spandex winding twist that code insurance is stayed with weak twist effect on stainless steel filament;Specifically include following steps:
The first step:By cotton fiber through Blowing carding, pre-drawing, bar and roll up, combing, drafting, to obtain pure cotton thick for Roving Frames processing Yarn;Blowing carding uses BO-A types automatic plucker, SP-MF multifunctional separators, MX-I6 multi-mixers, CL-C1 kirschner beaters The different fine machine of scutcher, YQ600H, SP-DX heavy-duties, TC5-1C carding machines, pre-drawing use FA313B pre-drawing machines, and bar is simultaneously Volume uses CL15 draw frame and lap machine combineds, and combing uses CJ-60 combing machines, and strip adoption HSR1000 drawing frames, and rove is used JWF1415 fly frames;
Second step:Pure cotton rove, spandex filament, stainless steel filament are fed to the QFA1528 spun yarns for installing core-spun yarn device additional jointly Machine, processing obtains final cotton/spandex/stainless steel covering yarn.
CN201710578073.2A 2017-07-16 2017-07-16 A kind of production method being electromagnetically shielded covering yarn Active CN107190387B (en)

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CN107190387B CN107190387B (en) 2019-06-14

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CN108053818A (en) * 2018-01-25 2018-05-18 上海钱丰纺织品有限公司 Loudspeaker locating branch slice and preparation method thereof
CN112708979A (en) * 2020-12-21 2021-04-27 杭州奥华纺织有限公司 Electromagnetic shielding core-spun yarn and preparation process thereof

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CN101074504A (en) * 2007-05-28 2007-11-21 魏永芬 Method and apparatus for eliminating filament meta-flint in heating fibre beam by radio-frequency
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108053818A (en) * 2018-01-25 2018-05-18 上海钱丰纺织品有限公司 Loudspeaker locating branch slice and preparation method thereof
CN112708979A (en) * 2020-12-21 2021-04-27 杭州奥华纺织有限公司 Electromagnetic shielding core-spun yarn and preparation process thereof

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