CN102828289A - Low-fiber falling air vortex spinning device - Google Patents
Low-fiber falling air vortex spinning device Download PDFInfo
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- CN102828289A CN102828289A CN2012103482327A CN201210348232A CN102828289A CN 102828289 A CN102828289 A CN 102828289A CN 2012103482327 A CN2012103482327 A CN 2012103482327A CN 201210348232 A CN201210348232 A CN 201210348232A CN 102828289 A CN102828289 A CN 102828289A
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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 relates to a low-fiber falling air vortex spinning device. The low-fiber falling air vortex spinning device comprises an upper air chamber cover, a lower air chamber cover and an encloser which are installed from top to bottom sequentially, a guide twisting prevention piece is assembled on the upper air chamber cover, a cone retaining piece is assembled on the lower part of the encloser, a yarn guide cone is assembled in a mounting hole in the cone retaining piece, a yarn guide channel is arranged at an axis position in the yarn guide cone, the yarn guide cone is a hollow part, a hollow cavity which is similar to the yarn guide cone in shape is formed in the yarn guide cone, moreover, through holes which are communicated with the hollow cavity are formed in the side wall of the yarn guide channel and are axially distributed into a plurality of layers along the yarn guide channel, the conical end part of the yarn guide cone is positioned in a vortex chamber which is formed by the upper air chamber cover, the lower air chamber cover, the encloser and the cone retaining piece, and the yarn guide cone is provided with a negative pressure suction source on the outer wall of the vortex chamber. With the low-fiber falling air vortex spinning device, the undesirable high fiber loss in the prior art is reduced, the fiber utilization ratio is increased, and the device can be adopted for producing yarns with higher count compared with the more acknowledged prior art.
Description
Technical field
The invention belongs to technical field of spinning equipment, particularly relate to a kind of air-swirl spinning apparatus of low fibre.
Background technology
The known spinning apparatus that spinning technique adopted by air-swirl production spun yarn, such as by disclosed Chinese patent CN 1970859A (belonging to Japanese village field company) and CN 1965115A (belonging to Switzerland Rieter Perfojet), as illustrated in fig. 1 and 2.The entrance of this device comprises a fiber feeding passage.Exit region at fiber feeding passage is provided with parts (like a concentric pin, fiber leads round pin, or a projection is set on the fiber guidance surface, the fibre bundle that passes through is produced depart from) that are used for resistance twist.
Downstream position in this fiber feeding channel outlet district is provided with the minor air cell of an annular, on this minor air cell's perisporium, is provided with some spray-holes tangent with it, is used for the inject high pressure air to the minor air cell, in the minor air cell, forms the air-swirl that circles round at a high speed.In addition; There is the guide axis body of a spindle shape that heart is passed into inside, minor air cell; The front end of this spindle shape guide axis body and above-mentioned fiber feed distance certain at interval between channel outlet and the above-mentioned resistance twist parts, and inner formation one is the gas passing away of ring-type around above-mentioned spindle shape guide axis body, cross section in above-mentioned minor air cell.The zone that the cavity that constitutes between fiber feeding channel outlet and the above-mentioned spindle shape guide axis body is configured for twisting together with the top of above-mentioned gas passing away.The inner air-swirl that forms in minor air cell is discharged from spinning apparatus via the above-mentioned gas passing away.Above-mentioned spindle shape guide axis body central part be provided with one run through draw yarn channel, be used for the yarn that is spun into is exported from twisting area.
It is such adopting the process of the spinning technique formation yarn of this type spinning apparatus: fiber strip feeds passage to minor air cell's delivered inside along fiber.Because the existence of fiber feeding channel outlet zone resistance twist parts, fiber strip remains the state that does not add the twist and is introduced into the minor air cell.What the front end of fiber directly entered into spindle shape guide axis body draws yarn channel inside, and the tail end of fiber still remains under situation about being gripped by front roller nip in the fiber feeding passage.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 receives air-swirl between the yarn channel; Its end section no longer remains in the fiber feeding passage, but entering gas passing away under the drive of air-swirl is radially dispersed out in inner in the minor air cell, as to draw yarn channel porch; One side is tightened up by the effect of air-flow axial component; Lodging is on the conical surface of spindle shape guide axis body front end, and one side is tangentially turned round with air-swirl, forms spiral helicine uniquely fiber eddy current.Fiber wherein overcomes the air-flow power in the gas passing away and towards the inlet traction of drawing yarn channel, and is enclosed in just getting into subsequently and forms hard-packed yarn on the fiber front end that draws yarn channel.The yarn that forms is the fibrous of yarn core that parallel non-twist shape fiber constitutes and peripheral shape looping in the shape of a spiral by approximate.
The prominent features of this kind spinning method is, can obtain very high spinning speed, can reach the scope of 300m/min ~ 500m/min, and the air velocity that forms in the above-mentioned spinning apparatus that is adopted reaches as high as the scope of 400m/s ~ 500m/s.
In above-mentioned known spinning method and the spinning apparatus that adopted thereof, lodging mainly comprises at the active force that the fiber on the spindle shape guide axis body front end conical surface receives: the fiber tail end that is in free state receive airflow acting force Fa, centrifugal force Fc, with guide axis body outer surface between frictional force Fs and got into frictional force Ff that peripheral fiber that the fiber front end of yarn body inside receives applies etc.Wherein airflow acting force Fa can be decomposed into along the axial flow directed force F x of guide axis body axis direction with along the circumferential tangential gas flow directed force F y of guide axis body, and is as shown in Figure 3.Because high air velocity in the minor air cell, the active force that fiber receives will have very big probability to satisfy relational expression:
Wherein θ is the cone angle of the spindle shape guide axis body front end conical surface, and α is the angle between fiber tail end and the guide axis body cone element, and β is the angle between Fs and the fiber tail end.Under the situation that satisfies the above-mentioned relation formula; To cause fiber can overcome peripheral fiber applies in the yarn body frictional force is come out by the air-flow withdrawing from the yarn body and breaks away from the yarn body; Enter into the air-flow of gas passing away fully, become uncontrolled " swimming " fiber.This makes this known spinning method in the process that forms yarn, produce a large amount of fall fibre or fiber loss.The increase of the fine amount that falls will cause the quantitatively light partially of fiber strip, produce the yarn details, worsen yarn evenness, and cause the raising of processing cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of air-swirl spinning apparatus of low fibre; Improve above-mentioned spinning method and yarn quality thereof; Promptly the objective of the invention is to propose a kind of device that utilizes air-swirl to spin; Its application makes fiber loss compared with prior art reduce to some extent, and yarn evenness makes moderate progress, and yarn that might the production fineness is thinner than prior art, structure is fine and close more.
The technical solution adopted for the present invention to solve the technical problems is: the air-swirl spinning apparatus that a kind of low fibre is provided; Comprise top air chamber cover, bottom air chamber cover and the case installed successively from the top down, guiding resistance twist part is housed on the air chamber cover of said top, the cone keeper is equipped with in said case bottom; Be equipped with in the installing hole in the said cone keeper and draw the yarn cone; Saidly draw that shaft position has the yarn channel of drawing in the yarn cone, the said yarn cone of drawing is a hollow, and there is the cavity with appearance similar its inside; And draw the through hole that is communicated with cavity is arranged on the yarn channel sidewall; Said through hole axial arrangedly has a several layers along what draw yarn channel, and the said yarn cone tapered end that draws is in by top air chamber cover, bottom air chamber cover, case and the formed minor air cell of cone keeper, and there is the negative pressure-pumping source said drawing on the outer wall of yarn cone outside the minor air cell.
Every layer the rarest 6 of said through holes.
Saidly draw the length of section that the yarn channel sidewall is provided with through hole from drawing the longest average length of yarn channel inlet beginning for the fiber that constitutes fiber strip.
Said drawing on the end of yarn cone outside the minor air cell seals with O type ring and posterior bracket, through bolt posterior bracket is installed in and draws on the yarn cone.
Several layers through hole on the said sidewall that draws yarn channel is along drawing axially arranging with same intervals of yarn channel.
In the several layers through hole on the said sidewall that draws yarn channel, near 1/2 ~ 2/3 through hole that draws the yarn channel tapering point along the axially spaced-apart that draws yarn channel less than away from the residue through hole that draws the yarn channel tapering point.
Several layers through hole on the said sidewall that draws yarn channel draw along with distance along the axially spaced-apart that draws yarn channel the yarn channel tapering point distance increase and increase.
In the said several layers through hole, every layer of through hole all with along the through hole that draws the axial adjacent layer of yarn channel staggers mutually.
Beneficial effect
The invention has the advantages that: drawing on the wall that draws the yarn channel entrance in yarn cone inside provides the negative-pressure air-flow absorption affinity; Increased and drawn the frictional force (as shown in Figure 4) that the yarn channel wall gives fiber strip; Just make in the structure of the fiber strip of resultant yarn tightr simultaneously; Increased and got into the grasping force that the yarn body suffered peripheral fiber of front end inner, that possibly become the floating state fiber applies; Make that this fibrid can be among its front end under the situation that stands bigger airflow acting force and centrifugal force still remains on fiber strip, and then remain in the yarn body, reduced undesirable high fiber loss in the prior art significantly through follow-up twisting process; Improve the bar of fiber utilization rate and resultant yarn and done, practiced thrift production cost.Owing to improved the utilization rate of fiber, adopted device of the present invention might produce the yarn higher than the known prior art number.
Description of drawings
Fig. 1 comes from the accompanying drawing 3 of CN 1970859A, representes the existing spinning apparatus (belonging to Japanese village field company) that utilizes air-swirl the loose fibres yarn to be processed spun yarn;
Fig. 2 comes from the accompanying drawing 6 of CN 1965115A, representes the existing spinning apparatus (belonging to Switzerland Rieter Perfojet) that utilizes air-swirl the loose fibres yarn to be processed spun yarn;
Fig. 3 representes the main stress of fiber in the fiber eddy current in the spinning process of prior art;
Fig. 4 representes to adopt in the spinning process of apparatus of the present invention the main stress of fiber in the fiber eddy current;
Fig. 5 is the oblique view and the part profilograph of the first embodiment of the present invention;
Fig. 6 is the profilograph of the first embodiment of the present invention;
Fig. 7 is the drawing in side sectional elevation of the first embodiment of the present invention along I-I line among Fig. 6;
Fig. 8 is the profilograph of the second embodiment of the present invention;
Fig. 9 is the profilograph of the third embodiment of the present invention;
Figure 10 is the oblique view of the doffing tube of another kind of design of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of air-swirl spinning apparatus of low fibre; Comprise top air chamber cover 32, bottom air chamber cover 33 and the case 52 installed successively from the top down, guiding resistance twist part 20 is housed on the said top air chamber cover 32, cone keeper 38 is equipped with in said case 52 bottoms; Be equipped with in the installing hole in the said cone keeper 38 and draw yarn cone 7; Saidly draw that shaft position has the yarn channel of drawing 8 in the yarn cone 7, the said yarn cone 7 of drawing is hollow, and there is the cavity 10 with appearance similar its inside; And draw the through hole 13 that is communicated with cavity 10 is arranged on yarn channel 8 sidewalls; Said through hole 13 axial arrangedly has a several layers along what draw yarn channel 8, and said yarn cone 7 tapered ends that draw are in by top air chamber cover 32, bottom air chamber cover 33, case 52 and cone keeper 38 formed minor air cells 4, and there is negative pressure-pumping source 16 said drawing on the outer wall of yarn cone 7 outside minor air cell 4.
Said through hole 13 every layer the rarest 6.
Saidly draw the length of section that yarn channel 8 sidewalls are provided with through hole 13 from drawing the longest average length of yarn channel 8 inlet 11 beginnings for the fiber 14 that constitutes fiber strip 1.
Said drawing on the end of yarn cone 7 outside minor air cell 4 seals with O type ring 48 and posterior bracket 45, through bolt 50 posterior bracket 45 is installed in and draws on the yarn cone 7.
Several layers through hole 13 on the said sidewall that draws yarn channel 8 is along drawing axially arranging with same intervals of yarn channel 8.
In the several layers through hole 13 on the said sidewall that draws yarn channel 8, near 1/2 ~ 2/3 through hole 13 that draws yarn channel 8 tapering points along the axially spaced-apart that draws yarn channel 8 less than away from the residue through hole 13 that draws yarn channel 8 tapering points.
Several layers through hole 13 on the said sidewall that draws yarn channel 8 draw along with distance along the axially spaced-apart that draws yarn channel 8 yarn channel 8 tapering points distance increase and increase.
In the said several layers through hole 13, every layer of through hole 13 all with along the through hole 13 that draws the axial adjacent layer of yarn channel 8 staggers mutually.
Embodiment 1
First embodiment of apparatus of the present invention has been shown in Fig. 5, Fig. 6, Fig. 7.As shown in Figure 5; Spinning apparatus of the present invention is arranged on the downstream position of the output jaw 19 of roller drafting mechanism 17 and 18 so that through drafter 17 with 18 and next the fiber strip 1 of output is sent in the spinning apparatus (suction that produces by the spinning apparatus inlet) and accepted twisting with formation yarn 2.Entrance at spinning apparatus has a fiber guiding resistance twist part 20.These parts contain a spiral spigot surface 21 in the present embodiment, form a fiber feeding passage 3 with spinning apparatus inlet wall 22.In addition, these parts 20 are provided with a part 24 that is used to stop downstream twist passed upstream and is convenient to realize fiber separation near the outlet 23 of above-mentioned fiber feeding passage 3, be a concentric pin in the present embodiment, and are as shown in Figure 6.But these parts also can be other any forms that can realize that the fiber guiding and the prevention twist are uploaded in the device of the present invention.
Be provided with the minor air cell 4 of an annular at the downstream position of these fiber feeding passage 3 outlet areas.As shown in Figure 7, on this minor air cell's perisporium 5, be provided with some spray-holes tangent 6 with it, be used for 4 inject high pressure air to the minor air cell, in minor air cell 4, form the air-swirl that circles round at a high speed.In above-mentioned minor air cell 4; There are the 7 pairs of hearts of yarn cone of drawing of a spindle shape to be passed into its inside; This spindle shape draws certain at interval distance between 3 outlets 23 of front end face 25 and above-mentioned fiber feeding passage and the above-mentioned resistance twist parts 24 of yarn cone 7, and is positioned at the not far downstream position of the above-mentioned spray-hole of distance 6.And then, in above-mentioned minor air cell 4 inner form one around above-mentionedly draw yarn cone 7, the cross section is the gas passing away 26 of ring-type.The zone that 3 outlets 23 of fiber feeding passage and the above-mentioned cavity 27 that draws formation between the yarn cone 7 are configured for twisting together with the top of above-mentioned gas passing away 26.Minor air cell's 4 inner air-swirls that form are discharged from spinning apparatus via above-mentioned gas passing away 26.
Be provided with one that run through, cross section along its axis in above-mentioned inside of drawing yarn cone 7 for the circular yarn channel 8 that draws, be used for the yarn that is spun into 2 is exported from twisting area.Be configured to hollow in the inside of the wall shell 9 that draws yarn cone 7 shown in the present embodiment, to form around above-mentionedly drawing yarn channel 8, drawing the continuous cavity 10 that makes progress in 7 weeks of yarn cone.Simultaneously, in the certain distance that the inlet that draws yarn channel 8 11 extends internally, at above-mentioned cavity 10 and draw and be provided with center line on the solid wall surface 12 between the yarn channel 8 and be the circular through hole 13 that runs through along drawing yarn channel 8 circular cross section radial directions, cross section.Draw the length x of section that yarn channel sidewall 12 is provided with this through hole 13 from drawing the longest average length L of yarn channel 8 inlet 11 beginnings for the fiber 14 that constitutes fiber strip 1.The diameter of through hole 13 is in the scope of 0.05～0.1mm.In the present embodiment; Above-mentioned through hole 13 upwards is equally spaced drawing in 12 weeks of yarn channel sidewall; And in whole punch block, drawing yarn channel 8 axially on equidistance distribute; Adjacent through-holes 13 is 0.2 ~ 0.4mm at the center of drawing outlet 15 cross sections on the yarn channel 8 along drawing yarn channel 8 circumferential spacings, is 1 ~ 2mm along drawing yarn channel 8 axial spacings.
The bottom of the hollow cavity 10 that the above-mentioned wall shell that draws yarn cone 79 is inner is connected with negative pressure-pumping source 16; The air pressure in this negative pressure-pumping source 16 satisfies can control the volume and the speed of drawing the suction air flow in the set through hole 13 on the yarn channel sidewall 12 through said, saidly draws yarn channel sidewall 12 but can be swimmingly carry out high speed and rotate around drawing yarn channel 8 axis thereby can make not break away from spill process through the said yarn 2 that draws yarn channel 8.
For reaching the purpose of present embodiment, the related parts of spinning apparatus of the present invention are such designs, make and assembling:
As shown in Figure 6, spinning apparatus has the fiber guiding that is positioned at the roller drafting mechanism exit and resistance twist parts 20, coaxial its downstream side and the fixing holding member 29 of all-in-one-piece vortex tube 28 and installation vortex tube 28 with it of being entrenched in.Vortex tube 28 is entrenched in the vortex tube holding member 29, and fixed with it be one.Vortex tube holding member 29 centers are provided with coniform hole 30, and that inserts coaxially in taper hole 30 that front end has a certain taper draws yarn cone 7.This draws yarn cone 7 front end faces 25 and keeps certain clearance with fiber guiding and resistance twist parts 20 ends and vortex tube holding member 29 respectively with side 31, forms the minor air cell 4 that preamble is mentioned.Top air chamber cover 32 and bottom air chamber cover 33 are wrapped in the periphery of fiber guiding and resistance twist parts 20, vortex tube 28 and vortex tube holding member 29, and chimeric up and down and be consolidated, the air chamber 34 that circularizes in the peripheral shape of vortex tube 28.On air chamber 34, link to each other with compressed air source through unshowned flexible pipe in pore 35 connection layouts.The compressed air that compressed air source is supplied is spurted into minor air cell 4 via air chamber 34 through the spray-hole 6 on the perisporium 5 of the described minor air cell 4 of preamble, is formed for the revolution eddy current of yarn twisting therein.
Draw that yarn cone 7 is inner to be hollow structure, its downstream side become isometrical 37 by the tapered portion 36 of leading section.It is chimeric and be fixed on the cone keeper 38 to draw isometrical 37 of yarn cone 7.In the inside of drawing yarn cone 7, insert doffing tube 39 by drawing yarn cone rear end coaxially.
The leading section of doffing tube 39 forms front end fitting portion 41, and it is chimeric with the embedded hole 42 that draws on yarn cone 7 front end faces 25, and it is bonding with bonding agent to be in contact with one another face, keeps airtight in case leak-stopping gas.
At doffing tube 39 and draw between the exine shells 9 of yarn cone 7, the passage that forms guiding negative pressure-pumping air-flow is a cavity 10 mentioned above.This negative pressure-pumping gas channel 10 is connected with not shown negative pressure-pumping source with the conduit that is attached thereto 44 through the negative pressure-pumping air-flow leadout hole 43 that is formed on the exine shells 9 that draws yarn cone 7.
On the tube wall 12 of doffing tube 39, in the certain distance of doffing tube 39 leading sections inlet 11, be provided with through through hole 13 wherein, like Fig. 5 and shown in Figure 6.The cross section of through hole 13 is circular.Punch block length x is from drawing the average length L of yarn channel 8 inlets 11 beginnings no longer than the fiber that constitutes fiber strip.The center line of through hole 13 is along drawing yarn channel 8 circular cross section radial directions, and is as shown in Figure 7.
The rear portion of doffing tube 39 and 45 mutual chimeric connections of posterior bracket, promptly the rearward end of doffing tube 39 forms the fitting portion 46 of a little undergauge, and it is embedded in the embedded hole 47 of posterior bracket 45.Between doffing tube 39 and posterior bracket 45, the elasticity O type ring 48 as seal member is housed, to prevent that gas takes place between negative pressure-pumping gas channel 10 and the outside to be leaked with method of clamping.Simultaneously, posterior bracket 45 is embedded in and draws in the stomidiums 49 of yarn cone 7 back, passes posterior bracket 45 from the rear with bolt 50, and is formed on screwed hole 51 screw threads that draw on the yarn cone 7 and fixes.
Below bottom air chamber cover 33, the periphery of vortex tube holding member 29 is provided with the case 52 that is fixed together with both.On this case 52, have gas discharge hole 53 that is positioned at vortex tube holding member 29 downstream and the conduit 54 that is attached thereto, be used for the eddy current that circles round that has used is discharged from spinning apparatus.Drawing yarn cone holding member 38 fixes through threaded portion 55 mutual screw threads with case 52.
The above-mentioned wall shell 9 that draws yarn cone 7 can be processed by pottery or wear-resisting metal material with doffing tube 39.
By such design, can and draw the yarn channel 8 inner negative pressure-pumping air-flows that form at the through hole 13 on the sidewall 12 of doffing tube 39, realize the object of the invention, and make the parts of device of the present invention be convenient to processing.
The course of work and the principle of present embodiment are: fiber strip 1 feeds passage 3 to minor air cell's 4 delivered inside along fiber.Because the existence of fiber feeding passage 3 exit regions 23 resistance twist parts 24, fiber strip 1 remains the state that does not add the twist and is introduced into minor air cell 4.The front end 56 of fiber 14 directly enter into draw yarn cone 7 draw yarn channel 8 inside, and the tail end 57 of fiber still remains under situation about being gripped by front roller nip 19 in the fiber feeding passage 3.When the tail end 57 of fiber no longer grips for front roller nip 19; Fiber 14 is at fiber feeding passage 3 and draw the centrifugal action that receives air-swirl between the yarn channel 8; Its end section 57 no longer remains in the fiber feeding passage 3, but 4 inside, inlet 11 places of drawing yarn channel 8 are radially dispersed out entering gas passing away 26 under the drive of air-swirl in the minor air cell; One side is tightened up by the effect of air-flow axial component; Lodging is on the conical surface 31 of the tapered portion of drawing yarn cone 7 36, and one side is tangentially turned round with air-swirl, forms spiral helicine uniquely fiber eddy current.The design of present embodiment; Make and on the sidewall 12 that draws yarn channel 8 entrances that draws yarn cone 7 inside, had additional negative-pressure air-flow absorption affinity; Receive fiber strip 58 this absorption affinity effect, that be converted into yarn 2 to be attached to rotation at a high speed swimmingly on the sidewall 12 that draws yarn channel 8; Increased the frictional force that the sidewall 12 that draws yarn channel 8 gives fiber strip 58; Just make in the structure of the fiber strip 58 of resultant yarn tightr simultaneously; Increased and got into the grasping force that yarn body front end 56 suffered peripheral fibers inner, that possibly become the floating state fiber apply, made that this fibrid can be among its front end under the situation that stands bigger airflow acting force and centrifugal force still remains on fiber strip 58.This part fiber overcomes the air-flow power in the gas passing away 26 and towards the inlet that draws yarn channel 8 11 tractions, and is enclosed in just getting into subsequently and forms hard-packed yarn 2 on the fiber front end that draws yarn channel 8.
Compared with prior art,, reduced undesirable high fiber loss significantly, improved the bar of fiber utilization rate and resultant yarn and done, practiced thrift production cost through negative inspiratory pressure hole 13 being set drawing on the yarn channel sidewall 12.Owing to improved the utilization rate of fiber, adopted device of the present invention might produce the yarn higher than the prior art number.
Fig. 8 is another embodiment according to apparatus of the present invention, and the expression mode is identical with Fig. 6.Same parts also all adopts identical designated.
The place that the form of implementation of Fig. 8 is different with Fig. 6 mainly is to draw set through hole 13 on the yarn channel sidewall 12 to draw the regularity of distribution of yarn channel 8 on axially.In the present embodiment; At the front end of punch block promptly in the regional x1 near the certain distance of the inlet that draws yarn channel 8 11; The distribution of through hole 13 densely distributed than in the regional x2 of rear end, punch block; But through hole 13 is drawing yarn channel 8 in above-mentioned two zones is on axially equally distributed; It is to set like this drawing yarn channel 8 spacing on axially: promptly at the front end of punch block promptly in the regional x1 near the certain distance of the said inlet 11 that draws yarn channel 8, adjacent through-holes 13 is 1～2mm at said center of drawing outlet 15 cross sections on the yarn channel 8 along drawing yarn channel 8 axial spacings; In the regional x2 of rear end, punch block, adjacent through-holes 13 is 2～3mm at said center of drawing outlet 15 cross sections on the yarn channel 8 along drawing yarn channel 8 axial spacings.
Fig. 9 is another embodiment according to apparatus of the present invention, and the expression mode is identical with Fig. 6 and Fig. 8.Same parts also all adopts identical designated.
The place that the form of implementation of Fig. 9 is different with Fig. 6 and Fig. 8 mainly is to draw set through hole 13 on the yarn channel sidewall 12 to draw the regularity of distribution of yarn channel 8 on axially.In the present embodiment, through hole 13 to be distributed in the direction of extending downstream from the inlet 11 that draws yarn channel 8 in the whole punch block be sparse by intensive transition gradually.It is to set like this drawing yarn channel 8 spacing on axially: promptly adjacent through-holes 13 at said center of drawing outlet 15 cross sections on the yarn channel 8 along draw the axial spacing of yarn channel 8 from the direction of drawing yarn channel 8 inlets and extending downstream by 1～2mm gradually transition be 2～3mm.
Present embodiment is processed as one with doffing tube 39 with another different front end faces 25 that draw yarn cone 7 that are in place of previous embodiment, rather than is processed as one with the wall shell 9 that draws yarn cone 7.In the present embodiment, the front end face 59 of front end face 25 and the wall shell 9 that draws yarn cone 7 to be in contact with one another face bonding with bonding agent, keep airtight in case leak-stopping gas.
The present invention is not limited to the above embodiments.For example on the sidewall 12 of doffing tube 39 regularity of distribution of set through hole 13 can be arranged to every layer of through hole 13 shown in figure 10 all with the structure that staggers mutually along the through hole 13 that draws the axial adjacent layer of yarn channel 8.
Claims (8)
1. the air-swirl spinning apparatus of a low fibre; Comprise top air chamber cover (32), bottom air chamber cover (33) and the case (52) installed successively from the top down; Guiding resistance twist part (20) is housed on the said top air chamber cover (32); Cone keeper (38) is equipped with in said case (52) bottom; Be equipped with in the installing hole in the said cone keeper (38) and draw yarn cone (7), it is characterized in that, the said middle shaft position of yarn cone (7) that draws has the yarn channel of drawing (8); The said yarn cone (7) of drawing is a hollow; There is the cavity (10) with appearance similar its inside, and draws the through hole (13) that connection cavity (10) are arranged on yarn channel (8) sidewall, and said through hole (13) axial arrangedly has a several layers along what draw yarn channel (8); Said yarn cone (7) tapered end that draws is in by top air chamber cover (32), bottom air chamber cover (33), case (52) and the formed minor air cell of cone keeper (38) (4), and there is negative pressure-pumping source (16) said drawing on the outer wall of yarn cone (7) outside minor air cell (4).
2. the air-swirl spinning apparatus of a kind of low fibre according to claim 1 is characterized in that, every layer the rarest 6 of said through holes (13).
3. the air-swirl spinning apparatus of a kind of low fibre according to claim 1; It is characterized in that, saidly draw the length of section that yarn channel (8) sidewall is provided with through hole (13) from drawing the longest average length of yarn channel (8) inlet (11) beginning for the fiber (14) that constitutes fiber strip (1).
4. the air-swirl spinning apparatus of a kind of low fibre according to claim 1; It is characterized in that; Said drawing on the end of yarn cone (7) outside minor air cell (4) seals with O type ring (48) and posterior bracket (45), through bolt (50) posterior bracket (45) is installed in and draws on the yarn cone (7).
5. according to the air-swirl spinning apparatus of claim 1,2,3 or 4 described a kind of low fibres, it is characterized in that the several layers through hole (13) on the said sidewall that draws yarn channel (8) is along drawing axially arranging with same intervals of yarn channel (8).
6. according to the air-swirl spinning apparatus of claim 1,2,3 or 4 described a kind of low fibres; It is characterized in that; In the several layers through hole (13) on the said sidewall that draws yarn channel (8), near 1/2 ~ 2/3 through hole (13) that draws yarn channel (8) tapering point along the axially spaced-apart that draws yarn channel (8) less than away from the residue through hole (13) that draws yarn channel (8) tapering point.
7. according to the air-swirl spinning apparatus of claim 1,2,3 or 4 described a kind of low fibres; It is characterized in that, the several layers through hole (13) on the said sidewall that draws yarn channel (8) draw along with distance along the axially spaced-apart that draws yarn channel (8) yarn channel (8) tapering point distance increase and increase.
8. the air-swirl spinning apparatus of a kind of low fibre according to claim 5 is characterized in that, in the said several layers through hole (13), every layer of through hole (13) all with along the through hole (13) that draws the axial adjacent layer of yarn channel (8) staggers mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348232.7A CN102828289B (en) | 2012-09-18 | 2012-09-18 | Low-fiber falling air vortex spinning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348232.7A CN102828289B (en) | 2012-09-18 | 2012-09-18 | Low-fiber falling air vortex spinning device |
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| CN102828289A true CN102828289A (en) | 2012-12-19 |
| CN102828289B CN102828289B (en) | 2014-11-05 |
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| CN201210348232.7A Expired - Fee Related CN102828289B (en) | 2012-09-18 | 2012-09-18 | Low-fiber falling air vortex spinning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114207202A (en) * | 2019-07-30 | 2022-03-18 | 里特机械公司 | Yarn joining method for jet spinning machine spinning nozzle and jet spinning machine |
| CN117248309A (en) * | 2023-11-16 | 2023-12-19 | 广东荣昌纺织实业有限公司 | Low-doffing threading jet vortex spinning device and application thereof in preparation of core spun yarn |
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| DE60009402T2 (en) * | 1999-07-28 | 2005-03-10 | Murata Kikai K.K. | Spinning device and spinning process |
| EP1826299A2 (en) * | 2006-02-28 | 2007-08-29 | Murata Kikai Kabushiki Kaisha | Spinning device and spinning method |
| JP2008095208A (en) * | 2006-10-06 | 2008-04-24 | Murata Mach Ltd | Air spinning device |
| CN101294319A (en) * | 2008-05-26 | 2008-10-29 | 东华大学 | Spinning apparatus with air injection whirling current for lowering fibre |
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| GB880239A (en) * | 1957-12-30 | 1961-10-18 | Konrad Gotzfried | Improved process and device for the pneumatic spinning of a yarn |
| CN1119225A (en) * | 1993-09-08 | 1996-03-27 | 村田机械株式会社 | Spinning apparatus |
| CN1107908A (en) * | 1993-11-04 | 1995-09-06 | 村田机械株式会社 | Fine yarn, method of and apparatus for producing same |
| DE60009402T2 (en) * | 1999-07-28 | 2005-03-10 | Murata Kikai K.K. | Spinning device and spinning process |
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| EP1826299A2 (en) * | 2006-02-28 | 2007-08-29 | Murata Kikai Kabushiki Kaisha | Spinning device and spinning method |
| JP2008095208A (en) * | 2006-10-06 | 2008-04-24 | Murata Mach Ltd | Air spinning device |
| CN101294319A (en) * | 2008-05-26 | 2008-10-29 | 东华大学 | Spinning apparatus with air injection whirling current for lowering fibre |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114207202A (en) * | 2019-07-30 | 2022-03-18 | 里特机械公司 | Yarn joining method for jet spinning machine spinning nozzle and jet spinning machine |
| CN114207202B (en) * | 2019-07-30 | 2023-11-10 | 里特机械公司 | Yarn joining method for spinneret of jet spinning machine and jet spinning machine |
| CN117248309A (en) * | 2023-11-16 | 2023-12-19 | 广东荣昌纺织实业有限公司 | Low-doffing threading jet vortex spinning device and application thereof in preparation of core spun yarn |
| CN117248309B (en) * | 2023-11-16 | 2024-03-08 | 广东荣昌纺织实业有限公司 | Low-doffing threading jet vortex spinning device and application thereof in preparation of core spun yarn |
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| Publication number | Publication date |
|---|---|
| CN102828289B (en) | 2014-11-05 |
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