CN107503004A - A kind of air injection air vortex spinning apparatus and method for producing mental core-spun yarn - Google Patents
A kind of air injection air vortex spinning apparatus and method for producing mental core-spun yarn Download PDFInfo
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- CN107503004A CN107503004A CN201710614912.1A CN201710614912A CN107503004A CN 107503004 A CN107503004 A CN 107503004A CN 201710614912 A CN201710614912 A CN 201710614912A CN 107503004 A CN107503004 A CN 107503004A
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- cone
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
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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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
-
- 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
- D02G3/36—Cored or coated yarns or threads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention provide it is a kind of produces the air injection air vortex spinning apparatus of mental core-spun yarn, including install successively from top to bottom fiber guide body and its keeper, vortex twist tube, keeper in cone, draw keeper and adjusting knob under yarn cone, cone.The present invention also provides a kind of method for producing mental core-spun yarn, wire as core filaments passes through front roller nip out of front upper roller surface complete cycle opens up ring-shaped groove, through entering air injection air vortex spinning apparatus through the wire-directed hole of the fiber guide body, air-jet eddy-current spinning mental core-spun yarn is formed after the uniform looping of chopped fiber through not opening up the front roller region conveying of ring-shaped groove and entering spinning apparatus through defeated fine passage.Cause to damage in the course of conveying by front roller nip present invention, avoiding wire, prevent wire from producing winding outside spinning apparatus entrance with chopped fiber beam, and it can ensure that wire is located at the center of covering yarn, outsourcing chopped fiber is uniformly wrapped over the outside of wire, forms excellent covering yarn structure.
Description
Technical field
The present invention relates to a kind of air injection air vortex spinning apparatus and method for producing mental core-spun yarn, belong to spinning equipment
With technical field.
Background technology
Authorized announcement date is on June 2nd, 2010, Authorization Notice No. is the B of CN 101368305, entitled《One kind can produce
The air injection air vortex spinning apparatus of covering yarn》Chinese invention patent disclose it is a kind of produce covering yarn air injection air vortex spinning dress
Put.Wherein, the fiber and core filaments guiding part of truncated cone-shaped or cylinder are provided with the porch of vortex twist tube, in fiber and core
The end of silk guiding part is provided with needle-like core filaments guide wire, and points to spindle shape doffing tube arrival end.The fiber guides with core filaments
There is a spiral fiber guide surface on part, it is in that the smooth fiber for reversing shape is defeated that it forms one between vortex twisting inside pipe wall
Send passage.The heart is provided with core filaments guide hole, above-mentioned needle-like core filaments guide wire therethrough inside above-mentioned fiber and core filaments guiding part
It is interior through there is core filaments through hole, the core filaments through hole is connected with above-mentioned core filaments guide hole.Core filaments pass through above-mentioned core filaments guide hole and pin
Shape guide wire is introduced into vortex twist tube.Because the axis of needle-like core filaments guide wire and spindle shape doffing tube is in conllinear, and closely
Distance points to doffing tube entrance, therefore core filaments can be introduced spindle shape doffing tube exactly.The chopped fiber exported through drafting system
Beam is conveyed through above-mentioned fiber transmission channel, and bypasses above-mentioned needle-like core filaments guide wire, and the front end of fiber therein is by
The yarn of formation pulls in doffing tube, and tail end forms free end because the effect being vortexed by convolution is separated from fibre bundle,
And lodge on the conical surface of spindle shape doffing tube, rotated together with vortex.Because chopped fiber beam is around needle-like core filaments guiding
Pipe, the core filaments that can make from the output of needle-like core filaments guide wire are located at the center of chopped fiber beam, and the fiber of rotation can be equably
It is wrapped in core filaments, forms covering yarn.
However, in the above-mentioned methods, it is not specified that core filaments feed the side of the core filaments guide hole of spinning apparatus through drafting system
Formula, and chopped fiber beam and arrangement relation of the core filaments before spinning apparatus is fed in drafting system.According to the reality of above-mentioned patent
Scheme is applied, chopped fiber beam enters spinning apparatus from core filaments via different holes.Therefore, both are when through front roller nip, core
Silk can not produce overlapping with chopped fiber beam, but should leave certain horizontal spacing.In the case of core filaments are wire, by
It is metal material in the bottom roll of drafting system, and the groove of trapezoidal cross-section is dispersed with working face, and front upper roller (roller)
Before being pressed under the effect of drawing-off Pendulum Weighting Arm System on bottom roll, wire will be made in the course of conveying by front roller nip
Cause to damage.
The content of the invention
The purpose of the present invention is can to obtain the air-jet eddy-current spun core-spun yarn that chopped fiber beam carries out uniform looping to wire.
In order to achieve the above object, a technical scheme of the invention there is provided a kind of mental core-spun yarn that produces
Air injection air vortex spinning apparatus, yarn updrift side will be sent to be defined as, send yarn downstream direction to be defined as down, it is characterised in that described
Air injection air vortex spinning apparatus includes chamber cover, hood and the hood bottom installed successively from top to bottom；
The inside on chamber cover and hood top is sequentially provided with fiber guide body keeper and vortex twist tube from top to bottom,
The annular region that chamber cover is surrounded with fiber guide body keeper and vortex twist tube forms air chamber, air chamber and compressed air source
Communicate；The inside of hood bottom is provided with keeper in cone, and keeper will draw yarn cone and keeper company under cone in cone
Connect and be integrally formed, the tapered end for drawing yarn cone is stretched into vortex twist tube, draws yarn cone, keeper under keeper and cone in cone
It is coaxially arranged；Draw at yarn cone axis to have and draw yarn through hole, be provided with cone at keeper axis and draw yarn with draw that yarn through hole communicates
Passage, it is coaxially arranged with drawing yarn channel to draw yarn through hole；
It is vortexed on twist tube and is formed at vortex twist tube formed with multiple jet-impingement holes, jet-impingement hole direction and draws yarn
Circular hollow room between cone and to sending yarn direction downstream to tilt, air chamber is connected via jet-impingement hole with circular hollow room
It is logical；The equably jet-stream wind from jet-impingement hole, so as to be formed in circular hollow room around the rotary pneumatic for drawing the rotation of yarn cone
Stream；It is provided with fiber guide body inside fiber guide body keeper, shape between the inwall of fiber guide body and fiber guide body keeper
The defeated fine passage reversed into one along the direction of rotation of swirling eddy；Fiber guide body is provided with wire-directed therethrough
Hole, wire-directed hole are coaxially arranged with drawing yarn through hole；
Hood bottom is provided with adjusting knob, and the top half of adjusting knob is the less reduced diameter section of diameter, lower half
Part is the enlarged diameter section being relatively large in diameter, and reduced diameter section is located in hood bottom, and enlarged diameter section is exposed to outside hood bottom, and
Adjusting knob is set under cone on keeper, and screw thread coordinates between keeper under adjusting knob and cone；Reduced diameter section is close
The outer circumference surface of keeper part is provided with a ring annular groove in cone, and circlip is located at reduced diameter section by annular groove
On, adjusting knob is installed on hood bottom by the dimension limitation of circlip and enlarged diameter section.
Preferably, upper O-shaped rubber ring is provided between the fiber guide body keeper and the chamber cover, in the whirlpool
Lower O-shaped rubber ring is provided between stream twist tube and the hood.
Preferably, keeper is in integrally a disc in the cone, and center is provided with by major diameter sector hole and small straight
The through hole of footpath sector hole composition, minor diameter sector hole be centered around it is described draw outside yarn cone, major diameter sector hole, which is centered around, described draws yarn cone
With under the cone outside the junction of keeper；The edge of keeper is provided with the cone is symmetric, along thickness respectively
The pairing approximation that direction is run through is in bolt mounting holes in the upper exhaust slot of kidney ellipsoid and a pair.
Preferably, the cylinder that keeper is not waited by three diameters under the cone combines, what three diameters did not waited
Cylinder is followed successively by middle diameter segment cylinder, enlarged diameter section cylinder and reduced diameter section cylinder from top to bottom；Middle diameter segment circle
Cylinder is equal with enlarged diameter section cylinder body thickness, and reduced diameter section cylinder body thickness is maximum；Middle diameter segment cylinder is by the cone
The major diameter sector hole of upper keeper is surrounded；Enlarged diameter section cylinder be provided be symmetric respectively, through-thickness runs through
A centering exhaust slot and a centering bolt mounting holes, wherein, the upper exhaust of keeper in middle exhaust slot and the cone
Slotted eye cross sectional shape and size are identical, and keeper passes through the upper bolt mounting holes under keeper and the cone in the cone
With middle bolt mounting holes by being bolted together；The adjusting knob is set in outside reduced diameter section cylinder.
Preferably, the inside of the hood bottom be by the major diameter sector hole equal with the hood external diameter value, in
The through hole of diameter sector hole and the minor diameter sector hole equal with the reduced diameter section diameter of adjusting knob composition, the hood bottom
Lid edge is provided be symmetric respectively a pair lower exhaust slots and a pair of pilot holes, wherein, lower exhaust slot with it is described
The position of the middle exhaust slot of keeper is corresponding under cone, and cross sectional shape and equal sized.
Preferably, the top of the fiber guide body is cylinder, bottom is cone, middle part is along swirling eddy
Direction of rotation is while side to be twisted to the shape for turning round excision at upper cylinder diameter along longitudinal direction, so as in the fiber guide body
Outer contour surface form a helicoid, between the inwall of the helicoid of the fiber guide body and the fiber guide body keeper
Form a defeated fine passage reversed along the direction of rotation of swirling eddy.
Another technical scheme of the present invention there is provided a kind of using above-mentioned air injection air vortex spinning apparatus production wire
The method of covering yarn, comprises the following steps：It will be exported via roller drafting mechanism after chopped fiber beam drawing-off from front roller nip, together
When, before via the core filaments intake mechanism above roller drafting mechanism, the wire as core filaments is fed by front roller nip
Roller nip simultaneously then exports from front roller nip, chopped fiber beam and wire are admitted to after being exported by front roller nip be located at before
Roller nip downstream and close in the above-mentioned air injection air vortex spinning apparatus of front roller nip, it is characterised in that：Along wire
Complete cycle of the transport path on the front upper roller surface of roller drafting mechanism is provided with a ring-shaped groove, and the side of ring-shaped groove is with before
The axis perpendicular of top roller, wire pass through front roller nip out of ring-shaped groove, and chopped fiber beam is via front upper roller with before
The certain lateral separation of spacing ring-shaped groove of bottom roll, fluted position is not opened through front roller nip and makes chopped fiber beam complete
It is located at entirely outside ring-shaped groove；
Chopped fiber beam through front roller nip output enters the vortex of above-mentioned air injection air vortex spinning apparatus along defeated fine passage
In the circular hollow room of twist tube, the wire exported by front roller nip enters through the wire-directed hole inside fiber guide body
Enter to be vortexed in the circular hollow room of twist tube, air-jet eddy-current spinning mental core-spun yarn is formed after rotated air-flow twisting.
Brief description of the drawings
Fig. 1 is the stereogram using apparatus of the present invention and the spinning process of method；
Fig. 2 is the stereogram of front upper roller of the present invention；
Fig. 3 is sectional axonometric drawing of the air injection air vortex spinning apparatus of the present invention under spinning state；
Fig. 4 is the profilograph of air injection air vortex spinning apparatus of the present invention；
Fig. 5 (a) is the stereogram of keeper in cone of the present invention；
Fig. 5 (b) is A-A revolved sectional views in Fig. 5 (a)；
Fig. 6 (a) is the stereogram of keeper under cone of the present invention；
Fig. 6 (b) is B-B revolved sectional views in Fig. 6 (a)；
Fig. 7 (a) is the stereogram of adjusting knob of the present invention；
Fig. 7 (b) is C-C sectional views in Fig. 7 (a)；
Fig. 8 (a) is the stereogram of hood bottom of the present invention；
Fig. 8 (b) is D-D revolved sectional views in Fig. 8 (a)；
Fig. 9 (a) is the stereogram of fiber guide body of the present invention；
Fig. 9 (b) is the front view of fiber guide body of the present invention；
Fig. 9 (c) is the left view of fiber guide body of the present invention；
Figure 10 (a) is that the electron microscopic of the mental core-spun yarn apparent structure produced using apparatus of the present invention and method is shone
Piece；
Figure 10 (b) is the microphoto of the mental core-spun yarn cross section transverse produced using apparatus of the present invention and method.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
The invention provides a kind of air injection air vortex spinning apparatus for producing mental core-spun yarn, including from top to bottom successively
Chamber cover 25, hood 26 and the hood bottom 27 of installation, the inside on the chamber cover 25 and the top of hood 26 from
Top to bottm is sequentially arranged with fiber guide body keeper 11 and vortex twist tube 8, and the chamber cover 25 is protected with the fiber guide body
The annular region that gripping member 11 and the vortex twist tube 8 are surrounded forms air chamber 30, and the inside of the bottom of hood 26 is equipped with
Keeper 31 in cone, in the cone inside of keeper 31 equipped with drawing yarn cone 9, it is described draw yarn cone 9 with the cone
The lower section of keeper 31 is equipped with keeper 32 under cone, it is described draw yarn cone 9, keeper 32 under keeper 31 and cone in cone
To be coaxially arranged, it is described draw to have at the axis of yarn cone 9 draw yarn through hole 38, be provided with the cone at the axis of keeper 32 and draw yarn and lead to
Road 53, for the yarn through hole 38 that draws with drawing yarn channel 53 to be coaxially arranged, the inside of hood bottom 27 is equipped with adjusting knob 33,
The Upstream section diameter of the adjusting knob 33 is smaller, is reduced diameter section 34, and the tract of the adjusting knob 33 is relatively large in diameter, and is
Enlarged diameter section 35, the part that the reduced diameter section 34 is located at the party upstream of hood bottom 27 is provided with an annular groove 36, described
For annular groove 36 built with circlip 37, the adjusting knob 33 passes through the circlip 37 and the enlarged diameter section 35
Dimension limitation is installed on inside hood bottom 27, is provided with connection spiral shell under the adjusting knob 33 and the cone between keeper 32
Line, described to be vortexed on twist tube 8 formed with multiple jet-impingement holes 40, the jet-impingement hole 40 is twisted towards vortex is formed at
Pipe 8 and the circular hollow room 48 drawn between yarn cone 9 and to sending yarn direction downstream to tilt, and the jet-impingement hole 40
Entrance be connected with the air chamber 30, the jet-impingement hole 40 outlet located at vortex twist tube 8 internal perisporium on, from institute
Equably jet-stream wind is stated in jet-impingement hole 40, so as to be formed in the circular hollow room 48 around drawing the rotation of yarn cone 9
Swirling eddy, the inside of fiber guide body keeper 11 are equipped with fiber guide body 10, the fiber guide body 10 and the fibre
A defeated fine passage 12 reversed along the direction of rotation of swirling eddy, the fibre are formed between the inwall 29 of dimension guide body keeper 11
Guide body 10 is tieed up provided with wire-directed hole 41 therethrough, drawing for yarn cone 9 is drawn in the wire-directed hole 41 with described
Yarn through hole 38 is coaxially arranged.
Led present invention also offers a kind of air injection air vortex spinning method for producing mental core-spun yarn, including via roller
Stretching mechanism 3 will export after the drawing-off of chopped fiber beam 1 from front roller nip 4, meanwhile, via above the roller drafting mechanism 3
Core filaments intake mechanism 5 using as the wire 2 of core filaments by fed after the front roller nip 4 front roller nip 4 and with
Exported afterwards from the front roller nip 4, the chopped fiber beam 1 and the wire 2 are sent after being exported by the front roller nip 4
Enter positioned at the downstream of front roller nip 4 and close in the air injection air vortex spinning apparatus 7 of the front roller nip 4, along the gold
Belong to complete cycle of the transport path of silk 2 on the surface of front upper roller 16 of the roller drafting mechanism 3 and be provided with a ring-shaped groove 17, institute
The side of ring-shaped groove 17 and the axis perpendicular of the front upper roller 16 are stated, the wire 2 is out of described ring-shaped groove 17
Through the front roller nip 4, the chopped fiber beam 1 is via annular described in the spacing of the front upper roller 16 and preceding bottom roll 45
17 certain lateral separation of groove, fluted position is not opened through the front roller nip 4 and makes the 1 complete position of chopped fiber beam
Outside the ring-shaped groove 17, the chopped fiber beam 1 exported through the front roller nip 4 enters along the defeated fine passage 12
In the circular hollow room 48 of the vortex twist tube 8, the wire 2 exported by the front roller nip 4 is through the fiber
The wire-directed hole 41 inside guide body 10 enters in the circular hollow room 48 of the vortex twist tube 8, rotated gas
Air-jet eddy-current spinning mental core-spun yarn 54 is formed after stream twisting.
Embodiment 1
Fig. 1 to Figure 10 shows the first embodiment of the present invention.As shown in figure 1, chopped fiber beam 1 is via four lower pairs of skins on four
Exported after the circle drawing-off of roller drafting mechanism 3 from front roller nip 4.At the same time, via the core above roller drafting mechanism 3
Silk intake mechanism 5, using as the wire 2 of core filaments by after front roller nip 4 feed front roller nip 4.The diameter of wire 2 exists
It is about 50 μm in the present embodiment.Above-mentioned core filaments intake mechanism 5 includes core successively along the feed path of wire 2 in the present embodiment
Silk guide bar 21, core filaments tension disk 22, core filaments propelling sheave 23, tension sensor 46, core filaments guide rod 24.Wherein, wire 2 is worn
Cross on core filaments guide bar 21 guide hole set and import core filaments intake mechanism 5, core filaments tension disk 22 is clamped by core filaments guide bar 21
The wire 2 of importing simultaneously changes the tension force put on wire 2 by adjusting its chucking power, and core filaments propelling sheave 23 is by core filaments
To be examined to the tension force of wire 2 in the smooth transportation of wire 2 that tension disk 22 is sent out to the tension sensor 46 in downstream
Survey, core filaments guide rod 24 makes by the smooth transportation of wire 2 that tension sensor 46 is sent out to front roller nip 4.
Along the transport path of wire 2, the complete cycle on the surface of front upper roller 16 of roller drafting mechanism 3 is provided with an annular
Groove 17.As shown in Fig. 2 the cross section of ring-shaped groove 17 is rectangle, its width is 4mm, depth 1mm.Ring-shaped groove 17
Two sides and the axis perpendicular of front upper roller 16.Wire 2 is located at ring-shaped groove 17 during by front roller nip 4
In.Front upper roller 16 is divided into close to the small length section 18 in mandrel center 47 and away from mandrel center 47 by ring-shaped groove 17 vertically
Long length section 20.The length of small length section 18 is specially 8mm, and the length of long length section 20 is specially 15mm.Chopped fiber beam 1 exists
At front roller nip 4 along above-mentioned long length section 20 surface transport and through front roller nip 4 and be fully located at ring-shaped groove 17
Outside.
Chopped fiber beam 1 and wire 2 are admitted to positioned at the downstream of front roller nip 4 and approached after the output of front roller nip 4
In the air injection air vortex spinning apparatus 7 of front roller nip 4.The structure of air injection air vortex spinning apparatus 7 as shown in Figure 3 and Figure 4, including from
Chamber cover 25, hood 26 and the hood bottom 27 that top to bottm is installed successively.Chamber cover 25 and the inside on the top of hood 26
Fiber guide body keeper 11 and vortex twist tube 8, chamber cover 25 and fiber guide body keeper 11 are sequentially arranged with from top to bottom
And the annular region that vortex twist tube 8 is surrounded forms air chamber 30.Set between fiber guide body keeper 11 and chamber cover 25
There is upper O-shaped rubber ring 50, be provided with lower O-shaped rubber ring 19 between vortex twist tube 8 and hood 26, let out with preventing gas
Leakage.Fiber guide body keeper 11 is cylindrical type, and the cylindrical hole being coaxial therewith is axially arranged with along it.It is vortexed outside twist tube 8
Type is the revolving body of the different cylinder composition of three diameters, and its center is provided with through hole, is downstream in the outlet section of through hole
The bellmouth spread in certain taper.Flexible pipe and compressed air source not shown in the connection figure of pore 49 are provided with chamber cover 25
It is connected.The inside of the bottom of hood 26 is equipped with keeper 31 in cone.As shown in Fig. 5 (a) and 5 (b), keeper 31 is whole in cone
Body is in a disc, and its center is the through hole that major diameter sector hole 61 and minor diameter sector hole 62 form, and is to be in respectively close at periphery
Bolt mounting holes 64 in exhaust slot 63 and a pair on symmetrical, through-thickness run through a pair.Upper exhaust slot 63 is near
It is in seemingly kidney ellipsoid.The lower section of keeper 31 is equipped with keeper 32 under cone in cone.The structure of keeper 32 such as Fig. 6 (a) under cone
With 6 (b) Suo Shi, for three diameters not wait cylinder combine, from upstream to downstream be followed successively by middle diameter segment cylinder 56,
Enlarged diameter section cylinder 57, reduced diameter section cylinder 58, middle diameter segment cylinder 56 is equal with the thickness of enlarged diameter section cylinder 57,
The thickness of reduced diameter section cylinder 58 is maximum, enlarged diameter section cylinder 57 be provided be symmetric respectively, through-thickness runs through
A centering exhaust slot 59 and a centering bolt mounting holes 60, wherein middle exhaust slot 59 and the upper cross sectional shape of exhaust slot 63
And size is identical.The central axis of keeper 32 has one to draw yarn channel 53 through therein under cone.Draw yarn cone 9 and be arranged on cone
On body under keeper 31 and cone between keeper 32.Keeper 32 is installed by upper bolt under keeper 31 and cone in cone
Hole 64 and middle bolt mounting holes 60 make middle exhaust slot 59 and upper exhaust slot by being bolted together not shown in figure
63 positions are corresponding.Draw yarn cone 9, keeper 32 is coaxially arranged under keeper 31 and cone in cone.Draw the profile of yarn cone 9
Overall is in cone, and end is stacked for the cylinder that two diameters do not wait and formed downstream, and the less cylinder of diameter is located at upstream, directly
The less cylinder party upstream in footpath is stacked for the conical surface that two tapers differ and formed, and Small Taper section 51 is located in steep-taper section 52
Trip.Draw the Small Taper section 51 of yarn cone 9 and the fore-end of steep-taper section 52 in the through hole of vortex twist tube 8.Draw on edge
The axis of yarn cone 9, which is formed, draws yarn through hole 38.It is coaxially arranged to draw yarn through hole 38 and draw yarn channel 53.Draw the diameter of yarn channel 53
Not less than the diameter for drawing yarn through hole 38.Under cone adjusting knob is cased with the outside of the outlet section of the reduced diameter section cylinder 58 of keeper 32
33.Shown in the structure of adjusting knob 33 such as Fig. 7 (a) and Fig. 7 (b), the Upstream section diameter of adjusting knob 33 is smaller, is reduced diameter section
34, the tract of adjusting knob 33 is relatively large in diameter, and is enlarged diameter section 35.Reduced diameter section 34 is located at the minor diameter of hood bottom 27
The part of the party upstream of sector hole 6 is provided with an annular groove 36.Annular groove 36 is built with circlip 37.Adjusting knob 33 passes through
The dimension limitation of circlip 37 and enlarged diameter section 35 is installed on inside the minor diameter sector hole 6 of hood bottom 27.Adjusting knob
33 and cone under be attached by screw thread between keeper 32, therefore keeper under cone can adjust by rotation of adjustment knob 33
32 together with keeper in cone 31 and the axial location for drawing yarn cone 9.Hood bottom 27 it is outer shaped like Fig. 8 (a) and Fig. 8 (b)
It is shown, its it is internal for the major diameter sector hole 65 equal with the external diameter value of hood 26, middle diameter sector hole 15 and with adjusting knob 33
The through hole that the equal minor diameter sector hole 6 of the diameter of reduced diameter section 34 forms, close periphery, which is that a pair be symmetric respectively are lower, arranges
Air drain hole 13 and a pair of pilot holes 14, wherein lower exhaust slot 13 and the middle cross sectional shape of exhaust slot 59 and equal sized, and make
Lower exhaust slot 13 is corresponding with the middle position of exhaust slot 59.
It is vortexed in the cylindrical portion of the Upstream section of twist tube 8 formed with multiple with being vortexed the axis of twist tube 8 in certain inclination angle and edge
The jet-impingement hole 40 being circumferentially spacedly distributed.Jet-impingement hole 40 is towards being formed at vortex twist tube 8 and draw between yarn cone 9
Circular hollow room 48 and to sending yarn direction downstream to tilt, and the entrance in jet-impingement hole 40 is connected with air chamber 30.Air-flow
The outlet of spray-hole 40 is on the internal perisporium of vortex twist tube 8.The equably jet-stream wind from jet-impingement hole 40, so as to
Formed in circular hollow room 48 around the swirling eddy for drawing the rotation of yarn cone 9.The swirling eddy is successively via keeper in cone 31
On upper exhaust slot 63, the middle exhaust slot 59 under cone on keeper 32, hood bottom 27 major diameter sector hole 65, in
Diameter sector hole 15 and lower exhaust slot 13 are discharged from spinning apparatus 7.
The inside of fiber guide body keeper 11 be equipped with fiber guide body 10, as Fig. 9 (a), 9 (b) with shown in 9 (c).Fiber is led
Draw body 10 and make generally be Upstream section be cylinder, tract is cone, along the direction of rotation of swirling eddy while from
Side is twisted to the shape for turning round excision at the cylinder diameter of upper end along longitudinal direction, thus a helicoid 28 is formed in its outer contour surface,
The internal diameter of the diameter of the cylinder and the cylindrical hole inside fiber guide body keeper 11 is roughly equal so that fiber guides
One is formed between the helicoid 28 of body 10 and the inwall 29 of fiber guide body keeper 11 to reverse along the direction of rotation of swirling eddy
Defeated fine passage 12.A cylindrical hole run through is provided with along the cylinder and the axis of cone that form fiber guide body 10 i.e.
Wire-directed hole 41, its internal diameter are 0.25mm.Wire-directed hole 41 with draw yarn cone 9 to draw yarn through hole 38 coaxially arranged.
Swirling eddy in circular hollow room 48 produces negative pressure in the porch of defeated fine passage 12.In the presence of the negative pressure, premenstrual sieve
The chopped fiber beam 1 that draw vice mouth 4 exports is inhaled into along defeated fine passage 12 in the circular hollow room 48 of vortex twist tube 8.By front roller
Wire-directed hole 41 of the wire 2 that jaw 4 exports through perforating fiber guide body 10 enters the circular hollow of vortex twist tube 8
In room 48, it is then directed into and draws the drawing in yarn through hole 38 of yarn cone 9.The rotary pneumatic being vortexed in the circular hollow room 48 of twist tube 8
Stream makes to be wrapped over outside the wire 2 with certain speed downstream transport into chopped fiber beam 1 therein, formed using wire as
The air-jet eddy-current spun core-spun yarn 54 of core filaments, outsourcing chopped fiber.The air-jet eddy-current spinning mental core-spun yarn 54 being spun into is through drawing yarn through hole
38 and draw yarn channel 32 and exported from spinning apparatus, institute's unshowned attachment device such as electricity in guiding and figure through delivery roller 43
Sub- yarn clearer, waxing attachment etc., rolled mechanism 44 form mental core-spun yarn package 55.The output speed highest of covering yarn 54
Up to 500m/min.
Figure 10 (a) is the apparent structure of the air-jet eddy-current spinning mental core-spun yarn 54 produced using apparatus of the present invention and method
Electron micrograph.Wherein used chopped fiber is average length 38mm, average fineness 1.5dtex viscose rayon.
Covering yarn 54 includes two short fiber layers 39 and 42 as can be seen from Figure, wherein chopped fiber 39 and yarn 54 positioned at core
Diameter parallel, without the twist, it is by the uniform looping of the institute of chopped fiber 42 of the helically configuration positioned at outer layer.The quilt completely of wire 2
It is imbedded in inside the chopped fiber 39 of core.Figure 10 (b) is the air-jet eddy-current spinning gold produced using apparatus of the present invention and method
Belong to the microphoto of the cross section transverse of silk covering yarn 54, it is clearly displayed, and covering yarn 54 is composite construction, and wire 2 is located at yarn
The core of line 54, is coated with the chopped fiber 39 along the axis direction of yarn 54 outside it, one layer is closely coated with their outside
Wrapper fibre 42.The covering yarn produced it can be seen from the structure of obtained covering yarn 54 using apparatus of the present invention and method is had
There is an excellent clad structure, i.e. outsourcing chopped fiber is uniformly wrapped over the outside of core filaments, and core filaments are not easy to deviate yarn body center and exposed,
Ensure that it is not frayed.
Claims (7)
1. a kind of air injection air vortex spinning apparatus for producing mental core-spun yarn, will send yarn updrift side to be defined as, send under yarn
Roam all around the would is to being defined as down, it is characterised in that the air injection air vortex spinning apparatus includes the chamber cover installed successively from top to bottom
(25), hood (26) and hood bottom (27)；
Chamber cover (25) and the inside on hood (26) top are sequentially provided with fiber guide body keeper (11) and whirlpool from top to bottom
Flow twist tube (8), the annular region structure that chamber cover (25) is surrounded with fiber guide body keeper (11) and vortex twist tube (8)
Into air chamber (30), air chamber (30) communicates with compressed air source；The inside of hood (26) bottom is provided with keeper (31) in cone,
Keeper (31) will draw keeper (32) under yarn cone (9) and cone and be connected to become entirety in cone, draw the tapered end of yarn cone (9)
Stretch into vortex twist tube (8), draw yarn cone (9), keeper (32) is coaxially arranged under keeper (31) and cone in cone；Draw
Have at yarn cone (9) axis and draw yarn through hole (38), be provided with what is communicated with drawing yarn through hole (38) under cone at keeper (32) axis
Draw yarn channel (53), it is coaxially arranged with drawing yarn channel (53) to draw yarn through hole (38)；
It is vortexed on twist tube (8) formed with multiple jet-impingement holes (40), jet-impingement hole (40) are twisted towards vortex is formed at
Pipe (8) and draw circular hollow room (48) between yarn cone (9) and to the inclination of yarn direction downstream is sent, air chamber (30) is via air-flow
Spray-hole (40) is connected with circular hollow room (48)；The equably jet-stream wind from jet-impingement hole (40), so as in ring-type
Formed in hollow chamber (48) around the swirling eddy for drawing yarn cone (9) rotation；Fiber is provided with inside fiber guide body keeper (11)
One is formed between the inwall (29) of guide body (10), fiber guide body (10) and fiber guide body keeper (11) along swirling eddy
Direction of rotation reverse defeated fine passage (12)；Fiber guide body (10) is provided with wire-directed hole (41) therethrough, gold
It is coaxially arranged with drawing yarn through hole (38) to belong to silk guide hole (41)；
Hood bottom (27) is provided with adjusting knob (33), and the top half of adjusting knob (33) is the less minor diameter of diameter
Section (34), the latter half are the enlarged diameter section (35) being relatively large in diameter, and reduced diameter section (34) is located in hood bottom (27), big straight
Footpath section (35) is exposed to hood bottom (27) outside, and adjusting knob (33) is set on keeper under cone (32), adjusting knob
(33) and under cone screw thread coordinates between keeper (32)；Keeper (31) part is cylindrical in the close cone of reduced diameter section (34)
Side face is provided with a ring annular groove (36), and circlip (37) on reduced diameter section (34), is adjusted by annular groove (36)
Knob (33) is installed on hood bottom (27) by the dimension limitation of circlip (37) and enlarged diameter section (35).
A kind of 2. air injection air vortex spinning apparatus for producing mental core-spun yarn as claimed in claim 1, it is characterised in that
Upper O-shaped rubber ring (50) is provided between the fiber guide body keeper (11) and the chamber cover (25), is added in the vortex
Twist with the fingers and be provided with lower O-shaped rubber ring (19) between pipe (8) and the hood (26).
A kind of 3. air injection air vortex spinning apparatus for producing mental core-spun yarn as claimed in claim 1, it is characterised in that institute
It is in a disc that it is overall, which to state keeper in cone (31), and center is provided with by major diameter sector hole (61) and minor diameter sector hole (62)
The through hole of composition, minor diameter sector hole (62) be centered around it is described draw yarn cone (9) outside, major diameter sector hole (61), which is centered around, described draws yarn
Under cone (9) and the cone outside the junction of keeper (32)；The edge of keeper (31), which is provided with, in the cone is in respectively
The pairing approximation that symmetrical, through-thickness runs through is in bolt mounting holes in the upper exhaust slot (63) of kidney ellipsoid and a pair
(64)。
A kind of 4. air injection air vortex spinning apparatus for producing mental core-spun yarn as claimed in claim 3, it is characterised in that institute
State the cylinder that keeper under cone (32) is not waited by three diameters to combine, the cylinder that three diameters do not wait is from top to bottom
It is followed successively by middle diameter segment cylinder (56), enlarged diameter section cylinder (57) and reduced diameter section cylinder (58)；Middle diameter segment cylinder
Body (56) is equal with enlarged diameter section cylinder (57) thickness, and reduced diameter section cylinder (58) thickness is maximum；Middle diameter segment cylinder
(56) surrounded by the major diameter sector hole (61) of keeper (31) in the cone；Enlarged diameter section cylinder (57) is provided with difference
It is symmetric, the centering exhaust slot (59) and a centering bolt mounting holes (60) that through-thickness runs through, wherein, middle row
Air drain hole (59) is identical with upper exhaust slot (63) cross sectional shape and size of keeper (31) in the cone, in the cone
Under keeper (31) and the cone keeper (32) by the upper bolt mounting holes (64) and middle bolt mounting holes (60) by
It is bolted together；The adjusting knob (33) is set in reduced diameter section cylinder (58) outside.
A kind of 5. air injection air vortex spinning apparatus for producing mental core-spun yarn as claimed in claim 4, it is characterised in that institute
The inside for stating hood bottom (27) is by the major diameter sector hole (65) equal with the hood (26) external diameter value, middle diameter segment
Hole (15) and the through hole of the minor diameter sector hole (6) equal with reduced diameter section (34) diameter of the adjusting knob (33) composition, institute
State hood bottom (27) edge and be provided with a pair of lower exhaust slots (13) being symmetric respectively and a pair of pilot holes (14),
Wherein, lower exhaust slot (13) is corresponding with the position of the middle exhaust slot (59) of keeper (32) under the cone, and section
Shape and equal sized.
A kind of 6. air injection air vortex spinning apparatus for producing mental core-spun yarn as claimed in claim 4, it is characterised in that institute
The top for stating fiber guide body (10) is cylinder, bottom be cone, middle part be along swirling eddy direction of rotation on one side
Side is twisted to the shape for turning round excision at upper cylinder diameter along longitudinal direction, so as in the outline of the fiber guide body (10)
Surface forms a helicoid (28), the helicoid (28) of the fiber guide body (10) and the fiber guide body keeper (11)
Inwall (29) between formed one along swirling eddy direction of rotation reverse the defeated fine passage (12).
7. a kind of method of the air injection air vortex spinning apparatus production mental core-spun yarn of usage right requirement 1, including following step
Suddenly：It will be exported via roller drafting mechanism (3) after chopped fiber beam (1) drawing-off from front roller nip (4), meanwhile, via positioned at sieve
Before the core filaments intake mechanism (5) above drafter (3) is drawn using being fed as the wire of core filaments (2) by front roller nip (4)
Roller nip (4) simultaneously then exports from front roller nip (4), and chopped fiber beam (1) and wire (2) are defeated by front roller nip (4)
It is admitted to after going out positioned at front roller nip (4) downstream and close to the air-jet eddy-current as claimed in claim 1 of front roller nip (4)
In spinning apparatus (7), it is characterised in that：Along wire (2) transport path roller drafting mechanism (3) front upper roller (16)
The complete cycle on surface is provided with a ring-shaped groove (17), the side of ring-shaped groove (17) and the axis perpendicular of front upper roller (16),
Wire (2) passes through front roller nip (4) out of ring-shaped groove (17), chopped fiber beam (1) via front upper roller (16) with it is front lower
The certain lateral separation of the spacing ring-shaped groove (17) of roller (45), fluted position is not opened through front roller nip (4) and is made
Chopped fiber beam (1) is fully located at outside ring-shaped groove (17)；
Chopped fiber beam (1) through front roller nip (4) output enters jet whirlpool as claimed in claim 1 along defeated fine passage (12)
In the circular hollow room (48) for flowing the vortex twist tube (8) of spinning apparatus (7), by the wire (2) of front roller nip (4) output
Enter through the internal wire-directed hole (41) of fiber guide body (10) in the circular hollow room (48) of vortex twist tube (8), warp
Air-jet eddy-current spinning mental core-spun yarn (54) is formed after swirling eddy twisting.
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| CN201710614912.1A CN107503004B (en) | 2017-07-25 | 2017-07-25 | A kind of air injection air vortex spinning apparatus producing mental core-spun yarn and method |
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| CN107503004B CN107503004B (en) | 2019-09-27 |
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| CN108085818A (en) * | 2018-02-08 | 2018-05-29 | 陆正明 | Air vortex spinning method and device |
| CN108181705A (en) * | 2018-02-08 | 2018-06-19 | 东华大学 | Fiber movement state real-time observation device and method in air injection air vortex spinning nozzle |
| CN109023620A (en) * | 2018-08-09 | 2018-12-18 | 合肥五凡工程设计有限公司 | A kind of flexible cored cashmere yarn of antistatic |
| CN117344424A (en) * | 2023-11-30 | 2024-01-05 | 广东荣昌纺织实业有限公司 | Internal multistage high-yarn-strength jet vortex spinning process and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108085818A (en) * | 2018-02-08 | 2018-05-29 | 陆正明 | Air vortex spinning method and device |
| CN108181705A (en) * | 2018-02-08 | 2018-06-19 | 东华大学 | Fiber movement state real-time observation device and method in air injection air vortex spinning nozzle |
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| CN117344424A (en) * | 2023-11-30 | 2024-01-05 | 广东荣昌纺织实业有限公司 | Internal multistage high-yarn-strength jet vortex spinning process and application thereof |
| CN117344424B (en) * | 2023-11-30 | 2024-03-08 | 广东荣昌纺织实业有限公司 | Internal multistage high-yarn-strength jet vortex spinning process and application thereof |
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