CN107604490A - A kind of spinning apparatus and method of the auxetic staple yarn based on RING SPINNING system - Google Patents
A kind of spinning apparatus and method of the auxetic staple yarn based on RING SPINNING system Download PDFInfo
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- CN107604490A CN107604490A CN201710949573.2A CN201710949573A CN107604490A CN 107604490 A CN107604490 A CN 107604490A CN 201710949573 A CN201710949573 A CN 201710949573A CN 107604490 A CN107604490 A CN 107604490A
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Abstract
The invention provides a kind of spinning apparatus of the auxetic staple yarn based on RING SPINNING system, including：For feeding chopped fiber rove, and preliminary drawing-off and flattening are carried out to chopped fiber rove so that the interfibrous increased staple yarn of cohesive force is fed and drafter；The shape of auxetic structure formula is formed for drawing the chopped fiber rove after preliminary drawing-off and flattening, and it is shaped under the action of heat, forms auxetic structure shaping and the shaping mechanism of auxetic staple yarn；For being twisted to the auxetic staple yarn, and it is wound up into the twisting on spool and winding mechanism.Present invention also offers the Yarn spinning method of the auxetic staple yarn based on RING SPINNING system.The present invention can spin out with obvious auxetic effect, the constitutionally stable staple yarn being made up of auxetic structure twisting, suitable for various ripe spinning instruments, such as RING SPINNING and FRICTION SPINNING, easy to implement and cost is relatively low, suitable for continuous production and popularization and application.
Description
Technical field
The present invention relates to a kind of spinning dress for the staple yarn with obvious auxetic effect being made up of auxetic structure twisting
Put and method, belong to spinninging technical field.
Background technology
Auxetic materials refer to the material with negative poisson's ratio.Traditional material is stretched (or compression) in one direction
When, it can produce contraction (or expansion) deformation perpendicular to force direction.And auxetic materials be stretched in one direction (or
Compression) when, it can produce expansion (or contraction) deformation perpendicular to force direction.Auxetic yarn is also known as negative to be moored than yarn,
Under certain axial tension effect, the increase of yarn radial contour.Research finds that auxetic materials are in addition to negative poisson's ratio, with biography
Commons material is compared, also with other special performances, such as shearing rigidity, fracture toughness, pressure mottling resistance, energy absorption capability (ultrasound
Ripple, sound, damping) etc. all increase, be respectively provided with potential application in each field：Auto industry (cushion, safety belt), Aero-Space
(wing plate, radome fairing), physical protection (helmet, knee-pad, gloves), biomedical (artificial blood vessel, suture, intelligence weaving
Product), other field (filtering material, sensor, sonar unit) etc..
In recent years, the structure design of auxetic yarn and manufacturing process cause great concern, and many scholars are carried out to it
Desk study and research.Patent WO2007/125352A1, patent US2011/0209557A1, patent 2011/0039088A1
It is proposed a kind of negative poisson ratio yarn structure being wrapped over by rigid yarn spiral on the heart yarn of easy elongation strain, its Patent
The Negative poisson's ratio for the material that 2011/0039088A1 is proposed is the looping long filament to humidity sensitive when outer moisture changes
Contraction is produced, causes heart yarn to bend, causes yarn diameter to increase.It is related to the description to negative poisson ratio yarn structure in patent,
Specific spinning apparatus and method are not suggested that, and the yarn texture easily has the problems such as twist irregularity and stability.Patent
The negative poisson ratio yarn structure being related in WO2010/146347A1 is that non-extensible fine rule spiral is extended through into relatively thick and bullet
Property larger component in, under axial tension effect, fine rule, which stretches, causes outsourcing material flexing to produce auxetic effect, and this structure is steady
It is qualitative preferably, but Yarn texturing is limited causes Negative poisson's ratio smaller.Patent CN2013/103361811A proposes a kind of negative
Poisson's ratio yarn texture and its manufacture method.The yarn texture by by the first larger yarn of stretch modulus and stretch modulus compared with
The second small yarn is spaced while feeds slotted eye, and converges twisting under the rotation of rotating disk and form negative poisson's ratio yarn, when
When being stretched effect, two groups of yarns, which mutually extrude, produces relative transfer because modulus is different, so as to reach Negative poisson's ratio.Should
Method requires that the first yarn and the second yarn radical are identical and more than two, because the yarn texture is mainly by each group
The twisting divided acts on being formed, therefore in order to provide the shaped structure of yarn, the selection limitation to yarn variety is strong, while also limits
The application field of negative poisson's ratio yarn is made.
One is given in Donghua University's week inscription master thesis " structure formation of negative poisson's ratio yarn and modeling characterize "
The specific spinning apparatus of kind negative poisson's ratio yarn and method, and a series of researchs have been done to spinning process, pass through preceding sieve of fluting
The negative poisson's ratio yarn of spinning spiral looping structure is drawn, and experiment test and theory analysis have been carried out to the Poisson's ratio of yarn.Should
Using the front roller of fluting to the yarn road controling power deficiency of fasciated yarn in spinning apparatus, gained is born to moor has looping angle than yarn
And structure it is irregular the problems such as.
In summary, the spinning apparatus of existing auxetic composite yarn and method are also immature, and long filament is confined in selection,
Spiral looping structure is confined in structure, and the problems such as loosely organized, stability and applicability difference be present.Therefore, it is badly in need of letter
Easy and pervasive spinning apparatus and method spun structure stabilization, the better performances and complex yarn with obvious auxetic effectiveness, with
Promote its extensive use in each field.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind using chopped fiber rove as raw material, Stability Analysis of Structures, auxetic effect
Substantially, the simply efficient spinning apparatus of technique and method.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of auxetic based on RING SPINNING system of offer is short
The spinning apparatus of silvalin, it is characterised in that including：
For feeding chopped fiber rove, and preliminary drawing-off and flattening are carried out to chopped fiber rove so that interfibrous obvolvent
The increased staple yarn feeding of power and drafter；
The shape of auxetic structure formula is formed for drawing the chopped fiber rove after preliminary drawing-off and flattening, and in the work of heat
It is shaped with lower, forms auxetic structure shaping and the shaping mechanism of auxetic staple yarn；
For being twisted to the auxetic staple yarn, and it is wound up into the twisting on spool and winding mechanism；
The staple yarn feeding and drafter, auxetic structure shaping and shaping mechanism, twisting and winding mechanism are by upper
Set gradually under.
Preferably, the staple yarn feeding and drafter include upper beam, and the chopped fiber for being wound with chopped fiber rove is thick
Yarn spool upper end is fixed on upper beam, and rear roller is provided with below upper beam, middle roller is provided with below rear roller.
Preferably, the auxetic structure shaping and shaping mechanism include being located at the front upper roller below the middle roller with before
The surface of bottom roll, front upper roller and preceding bottom roll is provided with the surface grooves for being shaped as auxetic structure formula, heat steam feedway
Surface grooves on the front upper roller and preceding bottom roll are connected by thermal current conduit.
Preferably, the twisting and winding mechanism include ring bobbin, and on ring bobbin, ring rail end is provided with ring rail
Wire loop, twizzle is above wire loop and below the front upper roller and preceding bottom roll.
It is highly preferred that the rear roller and middle roller form draw zone, the size of the drafting multiple of draw zone passes through rear sieve
Draw and the rotating ratio of middle roller is controlled and adjusted.
It is highly preferred that the number of the chopped fiber rove spool is 1~10, and meet be transversely formed more than 3
Auxetic structure formula repeat unit.
It is highly preferred that the chopped fiber rove is the chopped fiber rove yarn of all size, including natural fiber and chemistry
Fiber, such as cotton fiber, wool fibre, viscose fiber, synthetic fibers and its blend fibre.
It is highly preferred that the distribution of the surface grooves of the front upper roller and preceding bottom roll contact position is identical.
Preferably, the auxetic structure formula includes indent hexagon, herringbone, double-head arrow shape, indent honeycomb, stellate reticulum
Network, indent rhombus, central rotation rectangle, central rotation triangle, central rotation tetrahedron.
Present invention also offers a kind of Yarn spinning method of the auxetic staple yarn based on RING SPINNING system, it is characterised in that：
Using the spinning apparatus of the above-mentioned auxetic staple yarn based on RING SPINNING system, step is：
Step 1：The chopped fiber rove spool upper end for being wound with chopped fiber rove is fixed on upper beam, chopped fiber rove from
Unwind on chopped fiber rove spool and feed rear roller jaw, therefrom sieve after the draw zone that rear roller and middle roller are formed
The preceding jaw output drawn；
Step 2：Chopped fiber rove is after the preliminary drawing-off of step 1 and flattening, feeding front upper roller, the jaw of preceding bottom roll
In；Heat steam comprising setting agent is produced by heat steam feedway, and is transported to front upper roller and front lower through thermal current conduit
Surface grooves on roller, chopped fiber rove are formed under the draw for double air-flows that front upper roller and preceding bottom roll are formed
The auxetic staple yarn of auxetic structure formula, and exported after synchronously being shaped under the heat steam effect comprising setting agent；
Step 3：The auxetic staple yarn exported at preceding jaw through front upper roller and preceding bottom roll is via twizzle and steel
Wire ring is twisted, and is vertically moved by ring rail and is uniformly wound up into it on ring bobbin.
Preferably, in the step 2, yarn is in the centre bit for double air-flows that front upper roller and preceding bottom roll are formed
Put；The track of thermal current is consistent with auxetic structure formula.
Preferably, the temperature of described heat steam and flow are adjustable, and described heat steam includes fast dedicated for fiber
The setting agent of speed sizing.
Preferably, the heat steam is produced by heat steam feedway, through thermal current conduit from front upper roller and front lower sieve
Delivered inside is drawn at surface grooves, the track of the thermal current of front upper roller and preceding bottom roll and distribution are kept with auxetic structure formula
Unanimously, while front upper roller and preceding bottom roll contact position rather than the distribution of upper and lower correspondence position heat steam are identical.
Preferably, the front roller and heat steam feedway with surface grooves can be applied to traditional ring spinning yarn machine
Carry out the preparation of the auxetic staple yarn.
Preferably, the front roller and heat steam feedway with surface grooves can be applied to conventional friction spinning machine
Carry out the preparation of the auxetic staple yarn.
The sliver for inputting auxetic structure shaping and shaping mechanism is become the web with auxetic structure by the present invention, then may be used
The web auxetic structure form is assigned, through boundling into auxetic bar, then through twisting into auxetic yarn；And auxetic structure shapes and determined
The size of each structure of type mechanism can be reduced and become big, therefore auxetic structure shaping and shaping mechanism can also be used for revolving cup
The spinning units such as spinning, vortex spinning, FRICTION SPINNING, Static Spinning.
The present invention focuses on the easy auxetic structure shaping of the front roller output area design of RING SPINNING system and forming machine
Structure, assigning the rove exported at front roller nip turns into the web of auxetic structure, then is formed as in twist triangle zone through twisting
Auxetic structure web has twist yarn.The yarn has auxetic effect and squeezes contracting effect.
The principle of the present invention is：Auxetic staple yarn is by continuously having the structure of auxetic effect to be formed by twisting
, when being acted on by axial tensile force, all auxetic structures produce in perpendicular acting force direction expands, and its cumulative function makes
Obtain the overall apparent profile of staple yarn and become big, now yarn has Negative poisson's ratio.
Its principle realize technical method be：Double air-flows that chopped fiber rove is formed by front upper roller and preceding bottom roll
Draw formed auxetic structure formula shape and comprising setting agent heat steam effect under synchronously shaped after export, from
And complete the spinning of the staple yarn with obvious auxetic effect being made up of auxetic structure twisting.The Yarn spinning method is applicable simultaneously
In various ripe spinning instruments, such as RING SPINNING and FRICTION SPINNING, easy to implement and cost is relatively low, suitable for continuous production and pushes away
Wide application.
Compared with prior art, the present invention has the advantages that：
1st, using all kinds of chopped fiber rove as raw material, existing auxetic composite yarn is breached using elastic filament and rigid long filament as original
The limitation of material, improve auxetic complex yarn can application；
2nd, the auxetic staple yarn is made up of auxetic structure twisting, Stability Analysis of Structures, auxetic positive effect, is avoided existing
There is the problem of spiral looping structure auxetic composite yarn slips loose equistability and applicability difference；
3rd, the auxetic staple yarn is shaped synchronous with sizing by the traction of thermal current, and spinning line is shorter and spinning efficiency
It is high；
4th, the Yarn spinning method is applied to various ripe spinning instruments, such as RING SPINNING and FRICTION SPINNING, strong applicability mesh reality
Apply conveniently.
Brief description of the drawings
Fig. 1 is the spinning apparatus front view of the auxetic staple yarn based on RING SPINNING system；
Fig. 2 is the spinning apparatus side view of the auxetic staple yarn based on RING SPINNING system；
Fig. 3 is front roller surface grooves distribution map；
Schematic diagram when surface grooves on Fig. 4 positions front upper roller and preceding bottom roll are indent hexagon；
Fig. 5 is that indent hexagon auxetic staple yarn construction unit stretches front-end geometry schematic diagram；(a) before stretching；(b) draw
After stretching；
Fig. 6 is that double-headed arrow shape auxetic staple yarn construction unit stretches front-end geometry schematic diagram；(a) before stretching；(b) draw
After stretching；
Description of reference numerals：
1- staple yarns are fed and drafter, 11- upper beams, 12- chopped fiber rove spool, 13- chopped fibers rove, 14-
Rear roller, 15- middle rollers；2- auxetic structures shape and shaping mechanism, bottom roll, 23- surfaces ditch before 21- front upper rollers, 22-
Groove, 24- heat steams feedway, 25- thermal current conduits；3- is twisted and winding mechanism, 31- twizzles, 32- auxetic chopped fibers
Yarn, 33- ring bobbins, 34- wire loops, 35- ring rails.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.
The spinning apparatus front view and side view of Fig. 1 and Fig. 2 respectively auxetic staple yarns based on RING SPINNING system, institute
The spinning apparatus for the auxetic staple yarn based on RING SPINNING system stated is fed by staple yarn and drafter 1, auxetic structure
Shaping and shaping mechanism 2, twisting and winding mechanism 3 form, and staple yarn feeding and drafter 1, auxetic structure shape and determined
Type mechanism 2, twisting and winding mechanism 3 are from top to bottom sequentially arranged.
Staple yarn is fed and drafter 1 includes upper beam 11, chopped fiber rove spool 12, rear roller 14 and middle roller 15
Deng.The upper end of chopped fiber rove spool 12 is fixed on upper beam 11, and chopped fiber rove 13 is wound with chopped fiber rove spool 12, short
Fiber roving 13 is unwind from chopped fiber rove spool 12 feeds the jaw of rear roller 14, during rear roller 14 is fed again after coming out
Roller 15；Rear roller 14 and middle roller 15 form small draw zone, and chopped fiber rove 13 causes interfibrous cohesive force to have through drawing-off
Increased, the size of drafting multiple is controlled and adjusted by the rotating ratio of rear roller 14 and middle roller 15.
Auxetic structure is shaped and shaping mechanism 2 is supplied by front upper roller 21, preceding bottom roll 22, surface grooves 23, heat steam
Device 24 and thermal current conduit 25 are formed.With reference to Fig. 3, front upper roller 21 and preceding bottom roll 22 are provided with surface grooves 23, thermal current
The one end of conduit 25 connection heat steam feedway 24, the other end of thermal current conduit 25 is inside front upper roller 21 and preceding bottom roll 22
It is transported at its surface grooves 23.
Thermal current is produced by heat steam feedway 24, and front upper roller 21 and preceding bottom roll are transported to through thermal current conduit 25
Relevant position on 22, for drawing the shape of the formation auxetic structure formula of chopped fiber rove 13 and determining under the action of heat it
Type.
In addition, the surface grooves 23 and the track of thermal current and distribution and auxetic structure of front upper roller 21 and preceding bottom roll 22
It is consistent；Front upper roller 21 and the contact position of preceding bottom roll 22 rather than the distribution of upper and lower correspondence position groove are identical simultaneously.Spinning
During yarn, yarn is in the center for double air-flows that front upper roller 21 and preceding bottom roll 22 are formed.
Twisting and winding mechanism 3 are made up of twizzle 31, wire loop 34, ring rail 35 and ring bobbin 33.Ring rail 35 fills
On ring bobbin 33, the end of ring rail 35 is equipped with wire loop 34, and twizzle 31 is located at the top of wire loop 34.Through the He of front upper roller 21
The auxetic staple yarn 32 exported at the preceding jaw of preceding bottom roll 22 is twisted via twizzle 31 and wire loop 34, passes through ring rail
35 vertically movement it is uniformly wound up on ring bobbin 33.
Illustrate the application method of apparatus of the present invention with several specific embodiments below.
Embodiment 1
The preparation of indent hexagon-auxetic cotton fiber yarn.
Surface grooves 23 on front upper roller 21 and preceding bottom roll 22 are shaped as indent hexagon, as shown in Figure 4.
From cotton staple rove yarn as raw material, multiple cotton short fiber rove spool upper ends are sequentially fixed at upper beam
On 11, cotton short fiber rove is unwind from spool feeds the jaw of rear roller 14, is formed by rear roller 14 and middle roller 15
Small draw zone after exported from the preceding jaw of middle roller 15；Cotton short fiber rove feeds front upper roller 21, preceding after preliminary drawing-off
In the jaw of bottom roll 22, auxetic knot is formed under the draw for double air-flows that front upper roller 21 and preceding bottom roll 22 are formed
The shape of structure formula simultaneously exports after synchronously being shaped under the heat steam comprising setting agent acts on；Through front upper roller 21 and preceding bottom roll
The auxetic staple yarn 32 exported at 22 preceding jaw is twisted via twizzle 31 and wire loop 34, by ring rail 35 it is vertical on
It is uniformly wound up on ring bobbin 33 by lower movement.
Indent hexagon auxetic staple yarn construction unit stretching front-end geometry schematic diagram is as shown in Figure 5.
Embodiment 2
It is prepared by double-headed arrow shape-auxetic cotton fiber yarn.
Surface grooves 23 on front upper roller 21 and preceding bottom roll 22 are shaped as double-headed arrow shape.
From cotton staple rove yarn as raw material, multiple cotton short fiber rove spool upper ends are sequentially fixed at upper beam
On 11, cotton short fiber rove is unwind from spool feeds the jaw of rear roller 14, is formed by rear roller 14 and middle roller 15
Small draw zone after exported from the preceding jaw of middle roller 15；Cotton short fiber rove feeds front upper roller 21, preceding after preliminary drawing-off
In the jaw of bottom roll 22, auxetic knot is formed under the draw for double air-flows that front upper roller 21 and preceding bottom roll 22 are formed
The shape of structure formula simultaneously exports after synchronously being shaped under the heat steam comprising setting agent acts on；Through front upper roller 21 and preceding bottom roll
The auxetic staple yarn 32 exported at 22 preceding jaw is twisted via twizzle 31 and wire loop 34, by ring rail 35 it is vertical on
It is uniformly wound up on ring bobbin 33 by lower movement.
Fig. 6 is that double-headed arrow shape auxetic staple yarn construction unit stretches front-end geometry schematic diagram.
Embodiment 3
It is prepared by indent hexagon-auxetic wool fibre yarn.
Surface grooves 23 on front upper roller 21 and preceding bottom roll 22 are shaped as indent hexagon, as shown in Figure 4.
From short fine rove yarn as raw material, multiple chopped fiber rove spool upper ends are sequentially fixed at upper beam 11
On, cotton short fiber rove is unwind from spool feeds the jaw of rear roller 14, is formed by rear roller 14 and middle roller 15
Exported after small draw zone from the preceding jaw of middle roller 15；Chopped fiber rove feeds front upper roller 21, front lower sieve after preliminary drawing-off
Draw in 22 jaw, auxetic structure formula is formed under the draw for double air-flows that front upper roller 21 and preceding bottom roll 22 are formed
Shape and comprising setting agent heat steam effect under synchronously shaped after export；Through front upper roller 21 and preceding bottom roll 22
The auxetic staple yarn 32 exported at preceding jaw is twisted via twizzle 31 and wire loop 34, is vertically moved by ring rail 35
It is dynamic to be uniformly wound up into it on ring bobbin 33.
Indent hexagon auxetic staple yarn construction unit stretching front-end geometry is as shown in Figure 5.
Embodiment 4
It is prepared by double-headed arrow shape-auxetic viscose staple fibre yarn.
Surface grooves 23 on front upper roller 21 and preceding bottom roll 22 are shaped as double-headed arrow shape.
From short fine rove yarn as raw material, multiple chopped fiber rove spool upper ends are sequentially fixed at upper beam 11
On, chopped fiber rove is unwind from spool feeds the jaw of rear roller 14, is formed by rear roller 14 and middle roller 15 small
Exported after draw zone from the preceding jaw of middle roller 15；Chopped fiber rove feeds front upper roller 21, preceding bottom roll after preliminary drawing-off
In 22 jaw, auxetic structure formula is formed under the draw for double air-flows that front upper roller 21 and preceding bottom roll 22 are formed
Shape simultaneously exports after synchronously being shaped under the heat steam comprising setting agent acts on；Before front upper roller 21 and preceding bottom roll 22
The auxetic staple yarn 32 exported at jaw is twisted via twizzle 31 and wire loop 34, is vertically moved by ring rail 35
It is uniformly wound up on ring bobbin 33.
Fig. 6 is that double-headed arrow shape auxetic staple yarn construction unit stretches front-end geometry schematic diagram.
Although it should be appreciated that herein may usage amount term " first ", " second " etc. unit is described,
But these units should not be limited by these terms.It is used for the purpose of using these terms by a unit and another unit
Make a distinction.For example, in the case of the scope without departing substantially from exemplary embodiment, it is single that first module can be referred to as second
Member, and similarly second unit can be referred to as first module.
It is described above, only presently preferred embodiments of the present invention, it is not any to the present invention in form and substantial limitation,
It should be pointed out that for those skilled in the art, on the premise of the inventive method is not departed from, can also make
Some improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, it is the equivalent embodiment of the present invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution for any equivalent variations that above-described embodiment is made, still fall within the scope of technical scheme
It is interior.
Claims (10)
- A kind of 1. spinning apparatus of the auxetic staple yarn based on RING SPINNING system, it is characterised in that：IncludingFor feeding chopped fiber rove, and preliminary drawing-off and flattening are carried out to chopped fiber rove so that interfibrous cohesive force increases The staple yarn feeding added and drafter (1)；The shape of auxetic structure formula is formed for drawing the chopped fiber rove after preliminary drawing-off and flattening, and under the action of heat It is shaped, forms auxetic structure shaping and the shaping mechanism (2) of auxetic staple yarn；For being twisted to the auxetic staple yarn, and it is wound up into the twisting on spool and winding mechanism (3)；The staple yarn feeding and drafter (1), auxetic structure shaping and shaping mechanism (2), twisting and winding mechanism (3) From top to bottom set gradually.
- A kind of 2. spinning apparatus of the auxetic staple yarn based on RING SPINNING system as claimed in claim 1, it is characterised in that： The staple yarn feeding and drafter (1) include upper beam (11), are wound with the chopped fiber rove yarn of chopped fiber rove (13) Pipe (12) upper end is fixed on upper beam (11), and rear roller (14) is provided with below upper beam (11), middle sieve is provided with below rear roller (14) Draw (15).
- A kind of 3. spinning apparatus of the auxetic staple yarn based on RING SPINNING system as claimed in claim 2, it is characterised in that： The auxetic structure shaping and shaping mechanism (2) include the front upper roller (21) below the middle roller (15) and front lower sieve Draw (22), the surface of front upper roller (21) and preceding bottom roll (22) is provided with the surface grooves (23) for being shaped as auxetic structure formula, heat Equipment of supplying steam (24) connects the surface on the front upper roller (21) and preceding bottom roll (22) by thermal current conduit (25) Groove (23).
- A kind of 4. spinning apparatus of the auxetic staple yarn based on RING SPINNING system as claimed in claim 3, it is characterised in that： The twisting and winding mechanism (3) include ring bobbin (33), and ring rail (35) is on ring bobbin (33), ring rail (35) end Provided with wire loop (34), twizzle (31) is located at wire loop (34) top and is located at the front upper roller (21) and preceding bottom roll (22) lower section.
- A kind of 5. spinning apparatus of the auxetic staple yarn based on RING SPINNING system as claimed in claim 2, it is characterised in that： The rear roller (14) and middle roller (15) form draw zone, the size of the drafting multiple of draw zone by rear roller (14) and in The rotating ratio of roller (15) is controlled and adjusted.
- A kind of 6. spinning apparatus of the auxetic staple yarn based on RING SPINNING system as claimed in claim 2, it is characterised in that： The number of the chopped fiber rove spool (12) is 1~10, and meets to repeat in the auxetic structure formula for being transversely formed more than 3 Unit；The chopped fiber rove (13) is the chopped fiber rove yarn of all size, including natural fiber and chemical fibre.
- A kind of 7. spinning apparatus of the auxetic staple yarn based on RING SPINNING system as claimed in claim 3, it is characterised in that： The front upper roller (21) is identical with surface grooves (23) distribution of preceding bottom roll (22) contact position.
- 8. a kind of spinning apparatus of auxetic staple yarn based on RING SPINNING system as described in claim 1 or 3, its feature exist In：The auxetic structure formula include indent hexagon, herringbone, double-head arrow shape, indent honeycomb, star network, indent rhombus, in Heart rotation rectangle, central rotation triangle, central rotation tetrahedron.
- A kind of 9. Yarn spinning method of the auxetic staple yarn based on RING SPINNING system, it is characterised in that：Using such as claim 4 institute The spinning apparatus for the auxetic staple yarn based on RING SPINNING system stated, step are：Step 1：Chopped fiber rove spool (12) upper end for being wound with chopped fiber rove (13) is fixed on upper beam (11), short fibre Dimension rove (13) unwinds from chopped fiber rove spool (12) and feeds rear roller (14) jaw, by rear roller (14) and in Exported after the draw zone that roller (15) is formed from the preceding jaw of middle roller (15)；Step 2：Chopped fiber rove (13) is after the preliminary drawing-off of step 1 and flattening, feeding front upper roller (21), preceding bottom roll (22) Jaw in；Heat steam comprising setting agent is produced by heat steam feedway (24), and is transported to through thermal current conduit (25) Surface grooves (23) on front upper roller (21) and preceding bottom roll (22), chopped fiber rove (13) is in front upper roller (21) and front lower The auxetic staple yarn (32) of auxetic structure formula is formed under the draw for double air-flows that roller (22) is formed, and comprising fixed Exported after synchronously being shaped under the heat steam effect of type agent；Step 3：The auxetic staple yarn (32) exported at preceding jaw through front upper roller (21) and preceding bottom roll (22) is via leading Yarn hook (31) and wire loop (34) twisting, by ring rail (35), vertically it is uniformly wound up into ring bobbin (33) by movement On.
- 10. a kind of Yarn spinning method of the auxetic staple yarn based on RING SPINNING system as claimed in claim 9, its feature exist In：In the step 2, yarn is in the center for double air-flows that front upper roller (21) and preceding bottom roll (22) are formed；Heat The track of air-flow is consistent with auxetic structure formula.
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| CN201710949573.2A CN107604490B (en) | 2017-10-12 | 2017-10-12 | Spinning device and method for auxetic staple fiber yarn based on ring spinning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323536A (en) * | 2022-08-16 | 2022-11-11 | 嵊州盛泰针织有限公司 | Processing method of all-cotton moisture-absorbing quick-drying knitted fabric |
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| CN107130329A (en) * | 2017-04-28 | 2017-09-05 | 东华大学 | The device and method of rock-steady structure auxetic composite yarn is prepared based on thermo-fuse bonding |
| CN107217390A (en) * | 2017-06-09 | 2017-09-29 | 东华大学 | A kind of utilization high-temperature fusion method of electrostatic spinning prepares device, method and the purposes of auxetic filament fiber |
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| CN115323536A (en) * | 2022-08-16 | 2022-11-11 | 嵊州盛泰针织有限公司 | Processing method of all-cotton moisture-absorbing quick-drying knitted fabric |
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