CN103603094A - Side inlet air jet vortex spinning device - Google Patents
Side inlet air jet vortex spinning device Download PDFInfo
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- CN103603094A CN103603094A CN201310338237.6A CN201310338237A CN103603094A CN 103603094 A CN103603094 A CN 103603094A CN 201310338237 A CN201310338237 A CN 201310338237A CN 103603094 A CN103603094 A CN 103603094A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/11—Spinning by false-twisting
- D01H1/115—Spinning by false-twisting using pneumatic means
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Abstract
The invention discloses a side inlet air jet vortex spinning device. The side inlet air jet vortex spinning device comprises a fiber leading component, a fiber leading component support, a nozzle block, an air chamber cover, a vortex tube, a spindle-shaped yarn guide cone and a cone keeper which are sequentially arranged from upper reach to lower reach, the fiber guide component is composed of a spiral guide piece and a spiral guide piece support, the spiral guide piece descends around the thin-cylindrical spiral guide piece support arranged at the center of the spiral guide piece and is fixedly connected onto the spiral guide piece support, a gap area formed among the fiber guide component, a fiber guide component support and the inner wall of the nozzle block form a spiral fiber bundle feeding channel for fed fiber bundle to pass through smoothly, the side wall of the front end of the nozzle block is provided with a through fiber feeding hole, and the outlet of the fiber feeding hole is connected with the side surface of the tail end of the upper reach of the spiral fiber bundle feeding channel. The side inlet air jet vortex spinning device has the advantages of enabling the appearance of the produced yarn to be more uniform and the breaking strength to be improved.
Description
Technical field
The air injection air vortex spinning apparatus that the present invention relates to a kind of side entrance, belongs to technical field of spinning equipment.
Background technology
Knownly by positive pressure injection type air-swirl, produce the spinning apparatus that the spinning technique of spun yarn adopts, such as published Chinese patent CN1119225A, CN102304788A (all belonging to Japanese Murata) and the former proposition of applicant disclosed Chinese patent CN102828289A and CN102926054A etc.The entrance of this class device comprises a fiber guiding part (as shown in Figure 1), and it contains a mired and twists the spigot surface of turning round, and forms a fiber feeding passage with spinning apparatus entrance wall.It is roughly that one end, top diameter is large, little round table-like of one end diameter below that this fiber guiding part is made, and be on one side to twist and turn round to mired along the otch in the convolution direction of revolution air-flow, on one side from one end, top major diameter longitudinally by the shape of a side excision.Exit region at fiber feeding passage is also provided with one for the concentric pin of resistance twist.Downstream position in this fiber feeding channel outlet district is provided with on annular ，Gai minor air cell, a minor air cell perisporium and has some spray-holes tangent with it, for form the air-swirl of convolution at a high speed in inject high pressure air ， minor air cell, minor air cell.In addition, there is a spindle shape solid or hollow to draw yarn cone heart is passed into inside, minor air cell, the interval that has a small distance between its front end and above-mentioned fiber feeding channel outlet and above-mentioned resistance twist pin, and innerly in above-mentioned minor air cell form one and draw around above-mentioned the gas passing away that yarn cone, cross section are ring-type.Fiber feeding channel outlet and the above-mentioned cavity forming between yarn cone that draws are configured for the region of twisting together with the top of above-mentioned gas passing away.The inner air-swirl forming in minor air cell is discharged from spinning apparatus via above-mentioned gas passing away.Above-mentioned draw yarn cone central part have one run through draw yarn channel, for the yarn being spun into is exported from twisting area.
It is such adopting the process of the spinning technique formation yarn of this class spinning apparatus: the negative pressure producing by gyration airflow center, spinning apparatus inside, in fiber feeding passage, produce the mobile weak air-flow of one ecto-entad (compared to revolution eddy current, this strand of air-flow is time stream), from the fiber strip of drafting system output, under the effect of air-flow a little less than this strand, along fiber, feed minor air cell's delivered inside of channel downstream.The front end of fiber directly enter into draw yarn cone draw yarn channel inside, and the tail end of fiber still remains in fiber feeding passage in the situation that being gripped by front roller nip.When the tail end of fiber no longer grips for front roller nip, fiber is at fiber feeding passage and draw the centrifugal action that is subject to air-swirl between yarn channel, its end section no longer remains in fiber feeding passage, but inner in minor air cell, to draw yarn channel porch is radially dispersed out, under the drive of air-swirl, enter gas passing away, being umbrella lodging is drawing on the conical surface of yarn cone front end, one side is tangentially turned round with air-swirl, forms unique spiral helicine fiber eddy current.Fiber is wherein enclosed in just entering subsequently on the fiber front end that draws yarn channel and forms hard-packed yarn.The yarn forming is the fibrous of yarn core that parallel non-twist shape fiber forms and peripheral looping in the shape of a spiral by approximate.
The prominent features of this kind of spinning method is, can obtain very high spinning speed, can reach the scope of 300m/min～500m/min, and the air velocity forming in the above-mentioned spinning apparatus adopting reaches as high as the scope of 400m/s～500m/s.
In above-mentioned known spinning method and the spinning apparatus that adopts thereof, because the guiding face on above-mentioned fiber guiding part is made into the stubborn shape (being also the spiral of mired) of turning round of mired, the weak air-flow that the above-mentioned ecto-entad producing in fiber feeding passage flows is flowing into behind minor air cell, due to inertia, its movement locus in the shape of a spiral.The spiral angle of above-mentioned fiber guiding component lead face meets following formula conventionally:
α＜＜θ
Wherein α is guiding face helical angle, and θ is spray-hole inclination angle.In the situation that meeting above-mentioned relation formula, a little less than this strand, in the spiral angle of air-flow and minor air cell there is larger difference in the spiral angle of main gyration airflow, cannot in minor air cell, effectively converge, and can bump on the contrary, form one eddy current, the whirlpool axle of its whirlpool axle and main convolution eddy current is perpendicular.Fig. 2 is for (to have published the Journal in the internal authority periodical Textile of field of textiles Research to the Computer simulation results of above-mentioned spinning apparatus internal gas flow velocity, 2009,79 (14), 1274-1280 and Journal of the Textile Institute, 2010,101 (10), on 931-940), in Fig. 2, can clearly find out the existence of this eddy current.The generation of this eddy current will cause the confusion of fiber in twisting process, can not fully increase the fracture strength of yarn.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of fracture strength that can increase yarn is provided, utilize the air injection air vortex spinning apparatus of the side entrance that positive pressure injection type air-swirl spins, solution, because the disorder of gyration airflow causes the confusion of fiber in twisting process, can not fully increase the problem of the fracture strength of yarn.
In order to solve the problems of the technologies described above, technical scheme of the present invention has been to provide a kind of air injection air vortex spinning apparatus of side entrance, comprise and be from upstream to fiber guiding part and the fiber guiding member supporting body of installing successively in downstream, the nozzle block with the spray-hole the fibre bundle that gyration airflow is acted on involve from drafting system, air chamber cover, vortex tube, spindle shape draws yarn cone and cone keeper, it is characterized in that, described fiber guiding part is comprised of spiral-guide sheet and spiral-guide sheet supporter two parts, described spiral-guide sheet is around being positioned at its center, be thin columned spiral-guide sheet supporter descending and be fixed on this spiral-guide sheet supporter, what the downstream of described spiral-guide sheet supporter was provided with that a front end draws yarn cone to described spindle shape draws the outstanding taper leader of yarn cone entrance, described spiral-guide sheet is projected as the circle that a diameter equates with described nozzle block internal diameter in described spiral-guide sheet support body axis direction, the top edge line of described spiral-guide sheet and lower limb line are all along the radial direction of described spiral-guide sheet supporter, on described spiral-guide sheet supporter in the coaxial centre bore that embeds the fiber guiding member supporting body that is flattened cylindrical shape of the other end cylindrical part relative with described taper leader and affixed, the top edge line of described spiral-guide sheet contacts with the lower surface of described fiber guiding member supporting body, described fiber guiding part is embedded in the entrance of described nozzle block together with fiber guiding member supporting body, the void area forming between described fiber guiding part and fiber guiding member supporting body and the inwall of described nozzle block forms the spiral fibre bundle that is enough to make the fibre bundle of feeding to pass through smoothly and feeds passage, the upper surface of described spiral-guide sheet forms the guiding face of guiding fibre bundle, described taper leader is positioned at the downstream of described spiral-guide sheet lower limb line completely, on the sidewall of described nozzle block front end, be provided with the fiber sprocket hole of a perforation, the outlet of described fiber sprocket hole is connected with the upstream termination side of described spirality fiber bundle feeding passage.
Preferably, the entrance and exit of described fiber sprocket hole is made into bad arc shape, and the part of described fiber sprocket hole between entrance and exit is for scanning along the first line and second line of bad arc corresponding endpoint that entrance and exit becomes the shape forming.
Preferably, the outlet of described fiber sprocket hole becomes that bad one side that is equivalent to string on arc is approximate partly to coincide with the upstream termination of described spiral-guide sheet outer ledge screw line.
Preferably, the outlet of described fiber sprocket hole becomes the bad length that is equivalent to one side of string on arc to be less than the length of described spiral-guide sheet outer ledge screw line.
Preferably, while the outlet of described fiber sprocket hole become bad be equivalent on arc being positioned at of minor arc be equivalent to string upstream side, and be positioned at the downstream of the lower surface of described fiber guiding member supporting body.
Preferably, in two lines of the bad arc corresponding endpoint that entrance and exit becomes of described fiber sprocket hole, the first line is along the extended line direction of the top edge line of described spiral-guide sheet, and the inwall of the second line and described nozzle block is tangent or crossing.
Preferably, described spiral-guide sheet is no more than 450 ° around the angle of spiral-guide sheet support body axis spiral.
Preferably, the hand of spiral of described spiral-guide sheet is the convolution direction along gyration airflow in minor air cell, specifically: when the twist direction of the yarn being spun into is S while twisting with the fingers, the rotation direction of spiral-guide sheet is dextrorotation; When the twist direction of yarn is Z sth. made by twisting, the rotation direction of spiral-guide sheet is left-handed.
Preferably, on described fiber guiding part, the cross sectional shape of spiral-guide sheet can be triangle, rectangle or trapezoidal.
The invention has the advantages that: because the helixangleβ of spiral-guide sheet on fiber guiding part is made into roughly, equate with the inclination angle [theta] of spray-hole, in spinning process, there is not larger difference in the spiral angle that results from main convolution eddy current in the spiral angle of the suction air-flow in fibre bundle feeding passage and minor air cell, two strands of air-flows can effectively converge in minor air cell, in minor air cell, the perpendicular harmful eddy current of whirlpool axle and main convolution eddy current whirlpool axle will can not be produced, the fibre bundle that can not make to be transported in minor air cell is chaotic, fiber can turn round in an orderly manner around the front end that draws yarn cone with main convolution eddy current and twists resultant yarn.Compared with prior art, the yarn appearance made by the present invention is more even, and fiber alignment is more orderly, and fracture strength is increased.
Accompanying drawing explanation
Fig. 1 comes from the accompanying drawing 4 of CN1119225A, represents that the positive pressure injection type air-swirl of existing utilization produces the fiber guiding part that the spinning apparatus of spun yarn adopts;
Fig. 2 is the Computer simulation results to the spinning apparatus internal gas flow velocity of prior art;
Fig. 3 is a kind of sectional axonometric drawing of air injection air vortex spinning apparatus of side entrance;
Fig. 4 is a kind of vertical section schematic diagram of air injection air vortex spinning apparatus of side entrance;
Fig. 5 (a) is the stereogram of fiber guiding part;
Fig. 5 (b) is the front view of fiber guiding part;
Fig. 5 (c) is the left view of fiber guiding part;
Fig. 5 (d) is the top view (along spiral-guide sheet support body axis direction) of fiber guiding part;
Fig. 5 (e) is the upward view (along spiral-guide sheet support body axis direction) of fiber guiding part;
Fig. 6 is the stereogram of matching relationship between fiber guiding part and fiber guiding member supporting body;
Fig. 7 is the perspective view that fiber guiding part, fiber guiding member supporting body, nozzle block and spindle shape draw matching relationship between yarn cone;
Fig. 8 is along the drawing in side sectional elevation of I-I line in Fig. 4 in embodiment 1;
Fig. 9 is the side view of spinning apparatus of the present invention, drafting system and delivery roller configuration mode and relation;
Figure 10 is along the drawing in side sectional elevation of I-I line in Fig. 4 in embodiment 2.
The specific embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Fig. 3-Figure 10, a kind of air injection air vortex spinning apparatus of side entrance, it comprises that being from upstream to fiber guiding part 17 and the fiber installed successively in downstream guides member supporting body 49, the nozzle block 23 with the spray-hole 6 fibre bundle 1 that gyration airflow is acted on involve from drafting system 15, air chamber cover 26, vortex tube 24, spindle shape solid or hollow draws yarn cone 7 and cone keeper 31, fiber guiding part 17 is comprised of spiral-guide sheet 18 and spiral-guide sheet supporter 52 two parts, spiral-guide sheet 18 is around being positioned at its center, be thin columned spiral-guide sheet supporter 52 descending and be fixed on this spiral-guide sheet supporter 52, what the downstream of spiral-guide sheet supporter 52 was provided with that a front end draws yarn cone 7 to spindle shape draws the outstanding taper leader 21 of yarn cone entrance 9, spiral-guide sheet 18 is projected as the circle that a diameter equates with nozzle block 23 internal diameters on spiral-guide sheet supporter 52 axis directions, the top edge line 53 of spiral-guide sheet 18 and lower limb line 54 are all along the radial direction of spiral-guide sheet supporter 52, on spiral-guide sheet supporter 52 in the coaxial centre bore 50 that embeds the fiber guiding member supporting body 49 that is flattened cylindrical shape of the other end cylindrical part 48 relative with taper leader 21 and affixed, the top edge line 53 of spiral-guide sheet 18 contacts with the lower surface 55 of fiber guiding member supporting body 49, fiber guiding part 17 is embedded in the entrance of nozzle block 23 together with fiber guiding member supporting body 49, the void area forming between fiber guiding part 17 and fiber guiding member supporting body 49 and the inwall 5 of nozzle block 23 forms the spiral fibre bundle that is enough to make the fibre bundle 1 of feeding to pass through smoothly and feeds passage 3, the upper surface of spiral-guide sheet 18 forms the guiding face 61 of guiding fibre bundle 1, taper leader 21 is positioned at the downstream of spiral-guide sheet 18 lower limb lines 54 completely, the helixangleβ of spiral-guide sheet 18 is made into roughly and equates with the inclination angle [theta] of spray-hole 6, on the sidewall 38 of nozzle block 23 front ends, have the fiber sprocket hole 39 of a perforation, the outlet 40 of fiber sprocket hole 39 is connected with the upstream termination side 41 of spirality fiber bundle feeding passage 3.
The entrance 45 of fiber sprocket hole 39 and outlet 40 are made into bad arc shape, and fiber sprocket hole 39 is at entrance 45 and export part between 40 for along entrance 45 with export 40 and become the first line 59 of bad arc corresponding endpoint and the second line 60 to scan the shape forming.The outlet 40 of fiber sprocket hole 39 becomes that bad one side 56 that is equivalent to string on arc is approximate partly to coincide with the upstream termination of spiral-guide sheet 18 outer ledge screw linees 57.The outlet 40 of fiber sprocket hole 39 becomes the bad length that is equivalent to one side 56 of string on arc to be less than the length of spiral-guide sheet 18 outer ledge screw linees 57.The outlet 40 of fiber sprocket hole 39 becomes bad one side 58 that is equivalent to minor arc on arc to be positioned at the upstream side on the one side 56 that is equivalent to string, and is positioned at the downstream of the lower surface 55 of fiber guiding member supporting body 49.The entrance 45 of fiber sprocket hole 39 becomes in two lines of bad arc corresponding endpoint with 40 of outlets, and the first line 59 is along the extended line direction of the top edge line 53 of spiral-guide sheet 18, and the second line 60 is tangent or crossing with the inwall 5 of nozzle block 23.
Spiral-guide sheet 18 is no more than 450 ° around the angle φ of spiral-guide sheet supporter 52 axis spirals.
The hand of spiral of spiral-guide sheet 18 is the convolution direction along gyration airflow in minor air cell 4, specifically: when the twist direction of the yarn 2 being spun into is S while twisting with the fingers, the rotation direction of spiral-guide sheet 18 is dextrorotation; When the twist direction of yarn 2 is Z sth. made by twisting, the rotation direction of spiral-guide sheet 18 is left-handed.
On fiber guiding part 17, the cross sectional shape of spiral-guide sheet 18 can be triangle, rectangle or trapezoidal.
A kind of air injection air vortex spinning apparatus of side entrance (being spinning apparatus 44) and drafting system 15, the configuration mode of delivery roller 42 is: drafting system 15 is vertical direction, ribbon 43 throughput direction is therein for from down to up, spinning apparatus 44 is positioned at drafting system 15 tops, the entrance 45 of the fiber sprocket hole 39 of spinning apparatus 44 faces the output jaw 16 of drafting system 15, spinning apparatus 44 integral body are horizontal setting, its axis is vertical with the roller axis of drafting system 15, the yarn cone of drawing that spindle shape draws yarn cone 7 exports 32 channel side towards operator, delivery roller 42 is positioned at spindle shape and draws drawing directly over yarn cone outlet 32 of yarn cone 7.
As shown in Fig. 3-Fig. 9, spinning apparatus of the present invention is arranged between the front roller 11 and delivery roller 42 of drafting system 15, and the spindle shape that is mainly inserted in the solid or hollow of vortex tube 24 by nozzle block 23, vortex tube 24, air chamber cover 26, the fiber guiding part 17 that is positioned at nozzle block 23 entrances and supporter 49 thereof and entrance side draws yarn cone 7 and forms.
Spindle shape draws yarn cone 7 in the present embodiment for solid, and its through ground forms the path 8 of yarn 2.Spindle shape draws the external diameter that draws yarn cone entrance 9 of yarn cone 7 and does fully littlely, and making with drawing the part that yarn cone entrance 9 is connected the tapered portion 29 that outer radial downstream one side increases gradually, side becomes isometrical portion 30 from the tapered portion 29 of entrance side downstream thereafter.
Downstream side in nozzle block 23 is coaxially connected with vortex tube 24.The top of vortex tube 24 is wrapped in the cylindric hollow chamber 46 that near the part formation of yarn cone entrance 9 equates with nozzle block 23 internal diameters of drawing that spindle shape draws yarn cone 7.The bottom of vortex tube 24 forms diameter and than spindle shape, draws the slightly bigger bellmouth 25 of tapered portion 29 of yarn cone 7, draws yarn cone 7 outside wall surface form the ring-type hollow chamber 47 being connected with cylindric hollow chamber 46 with spindle shape.Cylindric hollow chamber 46 has formed for the minor air cell 4 to fiber twisting jointly with ring-type hollow chamber 47.
The compressed air of supplying with from flexible pipe is ejected in cylindric hollow chamber 46 from spray-hole 6 after flowing in air chamber 27, draws near formation high speed rotary eddy current yarn cone entrance 9 that draws of yarn cone 7 at spindle shape.This air-swirl is after the inner convolution of cylindric hollow chamber 46, and the interior revolution of ring-type hollow chamber 47 that enters downstream, is discharged from subsequently.
Fiber guiding part 17 is comprised of a spiral-guide sheet 18 and spiral-guide sheet supporter 52 two parts, spiral-guide sheet 18 around being positioned at its center, to be thin columned spiral-guide sheet supporter 52 descending and be fixed on this spiral-guide sheet supporter 52.The downstream of spiral-guide sheet supporter 52 forms a taper leader 21.The front end of taper leader 21 becomes free state, and that closes on that spindle shape draws yarn cone 7 draws yarn cone entrance 9.Spiral-guide sheet 18 is projected as the circle that a diameter equates with nozzle block 23 internal diameters on spiral-guide sheet supporter 52 axis directions.The top edge line 53 of spiral-guide sheet 18 and lower limb line 54 are all along the radial direction of spiral-guide sheet supporter 52.Taper leader 21 is positioned at the downstream of spiral-guide sheet 18 lower limb lines 54 completely.The hand of spiral of spiral-guide sheet 18 is along the convolution direction of gyration airflow in minor air cell 4, specifically: when the twist direction of the yarn 2 being spun into is S while twisting with the fingers, the rotation direction of spiral-guide sheet 18 is dextrorotation; When yarn 2 twist directions are Z sth. made by twisting, the rotation direction of spiral-guide sheet 18 is left-handed.In the present embodiment, the twist direction of the yarn 2 being spun into is that S twists with the fingers, and the rotation direction of spiral-guide sheet 18 is configured to dextrorotation.
On fiber guiding part 17, the other end relative with above-mentioned taper leader 21 is the cylindrical part 48 that diameter is less.The diameter of this cylindrical part 48 can be made than the slightly larger in diameter of spiral-guide sheet supporter 52 or equate.In the present embodiment, this cylindrical part 48 is made into diameter than the slightly larger in diameter of spiral-guide sheet supporter 52.This cylindrical part 48 embeds in the centre bore 50 of the fiber guiding member supporting body 49 that is flattened cylindrical shape coaxially, and mutually affixed with it.The top edge line 53 of spiral-guide sheet 18 is arranged to be in contact with one another with the lower surface 55 of fiber guiding member supporting body 49.Be embedded in the embedded hole 51 of nozzle block 23 front ends 49 one-tenth cap shapes of this fiber guiding member supporting body, now be embedded in the entrance of nozzle block 23 with the fiber guiding part 17 of fiber guiding member supporting body 49 Joints, the void area forming between fiber guiding part 17 and fiber guiding member supporting body 49 and the inwall 5 of nozzle block 23 forms the spiral fibre bundle that is enough to make the fibre bundle 1 of feeding to pass through smoothly and feeds passage 3.The upper surface 61 of spiral-guide sheet 18 forms the guiding face of guiding fibre bundle 1.The angle φ that spiral-guide sheet 18 is made into around spiral-guide sheet supporter 52 axis spirals is no more than 450 °.φ=450 ° in the present embodiment.The cross sectional shape of spiral-guide sheet 18 can be triangle, rectangle or trapezoidal, is rectangle in the present embodiment.Contact-making surface between each member above, the contact-making surface between spiral-guide sheet 18 and nozzle block 23 inwalls 5, all available bonding agent is bonding, keeps airtight in case leak-stopping gas.
Relation between the helixangleβ of the spiral-guide sheet 18 on fiber guiding part 17 and the inclination angle [theta] of spray-hole 6 meets:
β≈θ
On the sidewall 38 of nozzle block 23 Upstream section 62 front ends, be provided with the fiber sprocket hole 39 of a perforation.The entrance 45 of this fiber sprocket hole 39 is positioned at the downstream of the front roller nip 16 of drafting system 15, exports 40 and is connecting the upstream termination side that spirality fiber bundle feeds passage 3.The entrance 45 of fiber sprocket hole 39 and outlet 40 are made into approximate bad arc shape.Fiber sprocket hole 39 is at entrance 45 and export part between 40 and be provided as along entrance 45 and become the first line 59 of bad arc corresponding endpoint and the second line 60 to scan the shape forming with 40 of outlets.The outlet 40 of fiber sprocket hole 39 becomes that bad one side 56 that is equivalent to string on arc is approximate partly to coincide with the upstream termination of spiral-guide sheet 18 outer ledge screw linees 57.The outlet 40 of fiber sprocket hole 39 becomes the bad length that is equivalent to one side 56 of string on arc to be less than the length of spiral-guide sheet 18 outer ledge screw linees 57.The outlet 40 of fiber sprocket hole 39 becomes bad one side 58 that is equivalent to minor arc on arc to be positioned at the upstream side on the one side 56 that is equivalent to string, and is positioned at the downstream of the lower surface 55 of fiber guiding member supporting body 49.The entrance 45 of fiber sprocket hole 39 becomes in two lines of bad arc corresponding endpoint with 40 of outlets, and the first line 59 is along the extended line direction of the top edge line 53 of above-mentioned spiral-guide sheet 18, and the second line 60 is tangent with the inwall 5 of nozzle block 23.
Above-mentioned design and collocation form based on each parts, fibre bundle 1 enters fiber sprocket hole 39 after drawing-off, along the first line 59, carry therein, with the outlet 40 by fiber sprocket hole 39, enter fibre bundle feeding passage 3, on the guiding face 61 of incipient stage at spiral-guide sheet 18, along top edge line 53 downstream transport of spiral-guide sheet 18, around spiral-guide sheet supporter 52, with under screw, slide in vortex field subsequently.Because being made into around the angle φ of its supporter 52 axis spirals, spiral-guide sheet 18 is no more than 450 °, so twist to turn round when fibre bundle 1 is carried in above-mentioned fibre bundle feeding passage 3, be no more than one week, the angle that fibre bundle 1 turns over around spiral-guide sheet supporter 52 is no more than 360 °.In the present embodiment, fibre bundle 1 turns over 360 ° around spiral-guide sheet supporter 52.
Contraction gradually can be made in the cross section of above-mentioned fiber sprocket hole 39, and air velocity is wherein improved gradually, makes fiber accelerated motion, to improve the degree of orientation of fiber the process that enters nozzle block 23 from sprocket hole 39 and degree of stretching.
On the fiber guiding part 17 that forms like this and install, the helixangleβ of spiral-guide sheet 18 and the inclination angle [theta] of spray-hole 6 are comparatively approaching, make the inferior spiral angle flowing of fibre bundle feeding passage 3 interior generations and the spiral angle of minor air cell's 4 interior main gyration airflows not have larger difference, two strands of air-flows can effectively converge in minor air cell 4, therefore in minor air cell 4, can not produce the perpendicular harmful eddy current of whirlpool axle and main gyration airflow, the fibre bundle 1 that makes to be transported in minor air cell 4 can be not chaotic, the front end that can draw yarn cone 7 around spindle shape with gyration airflow turns round in an orderly manner.Like this, compared with former spinning apparatus, made yarn appearance is more even, and fracture strength is increased.
It is chimeric and be fixed on cone keeper 31 that spindle shape draws the rear end of isometrical portion 30 of yarn cone 7.On cone keeper 31, have the gas escape orifice 34 that is positioned at ring-type hollow chamber 47 downstreams, for the convolution eddy current having used is discharged from spinning apparatus.Cone keeper 31 and vortex tube are chimeric and be consolidated Shang Xia 24, and the method for clamping of usining is between the two equipped with the elasticity O type ring 33 as seal member, to prevent Leakage Gas.
The external diameter of nozzle block 23 Upstream sections 62, air chamber cover 26, vortex tube 24 and cone keeper 31 is made into and equates in the present embodiment.
As shown in Figure 9, be the side view of spinning apparatus 44 of the present invention, drafting system 15 and delivery roller 42 configuration modes and relation.Drafting system 15 by four drawing rollers to (the first drawing rollers to the 11, second drawing rollers to the 12, the 3rd drawing rollers to the 13 and the 4th drawing rollers to 14) form.Drafting system 15 is vertical direction to be arranged, and four drawing rollers are to being arranged in order along above-below direction.Ribbon 43 in drafting system 15 by below carry upward, the below of drafting system 15 is actual be the upstream side that ribbon 43 moves, top is the downstream that ribbon 43 moves.Four drawing rollers are to rotating speed is higher upward.Bar cylinder 19 is placed on the below of drafting system 15, is used for to delivery of fibers bar 43 in drafting system 15.
In the spinning apparatus of this structure and with the configuration mode of drafting system 15 and delivery roller 42 under, ribbon 43 is pulled out from bar cylinder 19, after drafting system 15 involves, by the effect of the air stream from spray-hole 6 ejections, be drawn into the fiber sprocket hole 39 of spinning apparatus 44, interior stubborn the turning round of spiral fibre bundle feeding passage 3, carry subsequently.The front end 35 of the whole fibers in fibre bundle 1 from the upper conical leader 21 of spiral-guide sheet supporter 52 around, be subject to form yarn fibre bundle 37 drawing and import spindle shape and draw in yarn cone 7.And the rear end 36 of fiber is subject to from the effect of the air stream of spray-hole 6 ejections, the yarn cone entrance 9 that draws that draws yarn cone 7 from spindle shape reverses, and is radially dispersed separation simultaneously.Due to the helixangleβ of fiber guiding part 17 and the inclination angle [theta] of spray-hole 6 comparatively approaching, make the spiral angle of attraction air-flow and the spiral angle of minor air cell's 4 interior main gyration airflows in fibre bundle feeding passage 3 not have larger difference, two strands of air-flows can effectively converge in minor air cell 4, can not produce harmful eddy current that whirlpool axle is vertical with main gyration airflow, can there is not confusion in the fiber 10 being transported in minor air cell 4, the fiber 10 that separate the rear end 36 of fiber can turn round around the front end that draws yarn cone 7 in an orderly manner with gyration airflow, along with advancing of yarn 2, , form surrounding's helically winding of the fibre bundle 37 of yarn.The yarn cone outlet 32 of drawing that the yarn 2 forming draws yarn cone 7 by spindle shape is drawn backward top and is turned over 90 °, guides the coiler device 20 of top through delivery roller 42 into, forms package 22.
Because spinning apparatus of the present invention has above-mentioned structure and configuration, thereby there is a said effect below, that is: not only can manufacture yarn with high speed, and due to the helixangleβ of fiber guiding part 17 and the inclination angle [theta] of spray-hole 6 comparatively approaching, make the spiral angle of suction air-flow and the spiral angle of minor air cell's 4 interior main gyration airflows of the 3 interior generations of fibre bundle feeding passage not have larger difference, two strands of air-flows can converge effectively, therefore in minor air cell 4, can not produce the perpendicular harmful eddy current of whirlpool axle and main gyration airflow whirlpool axle, can not make to be transported to fibre bundle 1 confusion in minor air cell 4, the front end that can draw yarn cone 7 around spindle shape with gyration airflow turns round in an orderly manner.Like this, compared with former spinning apparatus, made yarn appearance is more even, and fracture strength is increased.
Embodiment 2
In the present embodiment, the entrance 45 of fiber sprocket hole 39 becomes in two lines of bad arc corresponding endpoint with 40 of outlets, wherein the first line 59 is along the extended line direction of the top edge line 53 of above-mentioned spiral-guide sheet 18, and the second line 60 intersects with the inwall 5 of nozzle block 23, as shown in figure 10.Other are identical with embodiment 1.
Claims (9)
1. the air injection air vortex spinning apparatus of a side entrance, comprise and be from upstream to fiber guiding part (17) and the fiber guiding member supporting body (49) of installing successively in downstream, the nozzle block (23) with the spray-hole (6) the fibre bundle (1) that gyration airflow is acted on involve from drafting system (15), air chamber cover (26), vortex tube (24), spindle shape draws yarn cone (7) and cone keeper (31), it is characterized in that, described fiber guiding part (17) is comprised of spiral-guide sheet (18) and spiral-guide sheet supporter (52) two parts, described spiral-guide sheet (18) is around being positioned at its center, be thin columned spiral-guide sheet supporter (52) descending and be fixed on this spiral-guide sheet supporter (52), what the downstream of described spiral-guide sheet supporter (52) was provided with that a front end draws yarn cone (7) to described spindle shape draws the outstanding taper leader (21) of yarn cone entrance (9), described spiral-guide sheet (18) is projected as the circle that a diameter equates with described nozzle block (23) internal diameter on described spiral-guide sheet supporter (52) axis direction, the top edge line (53) of described spiral-guide sheet (18) and lower limb line (54) are all along the radial direction of described spiral-guide sheet supporter (52), the upper other end cylindrical part (48) relative with described taper leader (21) of described spiral-guide sheet supporter (52) be coaxial, and to embed the centre bore (50) of the fiber guiding member supporting body (49) that is flattened cylindrical shape interior also affixed, the top edge line (53) of described spiral-guide sheet (18) contacts with the lower surface (55) of described fiber guiding member supporting body (49), described fiber guiding part (17) is embedded in the entrance of described nozzle block (23) together with fiber guiding member supporting body (49), the void area forming between described fiber guiding part (17) and fiber guiding member supporting body (49) and the inwall (5) of described nozzle block (23) forms the spiral fibre bundle that is enough to make the fibre bundle (1) of feeding to pass through smoothly and feeds passage (3), the upper surface of described spiral-guide sheet (18) forms the guiding face (61) of guiding fibre bundle (1), described taper leader (21) is positioned at the downstream of described spiral-guide sheet (18) lower limb line (54) completely, on the sidewall (38) of described nozzle block (23) front end, be provided with the fiber sprocket hole (39) of a perforation, the outlet (40) of described fiber sprocket hole (39) is connected with the upstream termination side (41) of described spirality fiber bundle feeding passage (3).
2. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 1, it is characterized in that, the entrance (45) of described fiber sprocket hole (39) and outlet (40) are made into bad arc shape, described fiber sprocket hole (39) be positioned at entrance (45) and the part of outlet between (40) for along entrance (45) with export (40) become first line (59) of bad arc corresponding endpoint and the second line (60) to scan the shape forming.
3. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 2, it is characterized in that, the outlet (40) of described fiber sprocket hole (39) becomes that bad one side (56) that is equivalent to string on arc is approximate partly to coincide with the upstream termination of described spiral-guide sheet (18) outer ledge screw line (57).
4. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 3, it is characterized in that, the outlet (40) of described fiber sprocket hole (39) becomes the bad length that is equivalent to one side (56) of string on arc to be less than the length of described spiral-guide sheet (18) outer ledge screw line (57).
5. the air injection air vortex spinning apparatus of a kind of side entrance as described in claim 1,2,3 or 4, it is characterized in that, the outlet (40) of described fiber sprocket hole (39) becomes bad one side (58) that is equivalent to minor arc on arc to be positioned at the upstream side on the one side (56) that is equivalent to string, and is positioned at the downstream of the lower surface (55) of described fiber guiding member supporting body (49).
6. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 2, it is characterized in that, the entrance (45) of described fiber sprocket hole (39) becomes in two lines of bad arc corresponding endpoint with outlet (40), the first line (59) is along the extended line direction of the top edge line (53) of described spiral-guide sheet (18), and the second line (60) is tangent or crossing with the inwall (5) of described nozzle block (23).
7. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 1, is characterized in that, described spiral-guide sheet (18) is no more than 450 ° around the angle (φ) of spiral-guide sheet supporter (52) axis spiral.
8. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 1, it is characterized in that, the hand of spiral of described spiral-guide sheet (18) is the convolution direction of (4) middle gyration airflow along minor air cell, specifically: when the twist direction of the yarn being spun into (2) is S sth. made by twisting, the rotation direction of spiral-guide sheet (18) is dextrorotation; When the twist direction of yarn (2) is Z sth. made by twisting, the rotation direction of spiral-guide sheet (18) is left-handed.
9. the air injection air vortex spinning apparatus of a kind of side entrance as claimed in claim 1, is characterized in that, the cross sectional shape of the upper spiral-guide sheet (18) of described fiber guiding part (17) can be triangle, rectangle or trapezoidal.
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| CN201310338237.6A CN103603094B (en) | 2013-08-05 | 2013-08-05 | A kind of air injection air vortex spinning apparatus of side entrance |
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| CN201310338237.6A CN103603094B (en) | 2013-08-05 | 2013-08-05 | A kind of air injection air vortex spinning apparatus of side entrance |
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| CN103603094B CN103603094B (en) | 2015-12-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104925588A (en) * | 2014-03-18 | 2015-09-23 | 村田机械株式会社 | Twisting nozzle, a joint nozzle structural body, a joint device, a winding unit, and fiber machine |
| CN105088439A (en) * | 2015-09-25 | 2015-11-25 | 郑世浦 | Dust-proof airflow twisting device with filter screen for spinning |
| CN105088435A (en) * | 2015-09-25 | 2015-11-25 | 杨田花 | Airflow bunching device for spinning |
| CN105113065A (en) * | 2015-09-25 | 2015-12-02 | 俞升洋 | Textile airflow twisting device with heat dissipation function |
| CN105133101A (en) * | 2015-09-25 | 2015-12-09 | 衢州市鸿奥五金有限公司 | Airflow twisting device with cooling fan for spinning |
| CN106435791A (en) * | 2016-09-30 | 2017-02-22 | 苏州金泉新材料股份有限公司 | High speed airflow wire feeding device |
| CN107338518A (en) * | 2016-04-29 | 2017-11-10 | 塞维欧纺织机械股份公司 | Jet-propelled spinning equipment |
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| DE102019100306A1 (en) * | 2019-01-08 | 2020-07-09 | Maschinenfabrik Rieter Ag | Fiber guide element for a spinneret and a spinneret equipped with it |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106435791A (en) * | 2016-09-30 | 2017-02-22 | 苏州金泉新材料股份有限公司 | High speed airflow wire feeding device |
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