CN102787410B - Intermittent overfeeding composite spinning device with symmetrical inclined plane groove and method - Google Patents
Intermittent overfeeding composite spinning device with symmetrical inclined plane groove and method Download PDFInfo
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- CN102787410B CN102787410B CN201210254282.9A CN201210254282A CN102787410B CN 102787410 B CN102787410 B CN 102787410B CN 201210254282 A CN201210254282 A CN 201210254282A CN 102787410 B CN102787410 B CN 102787410B
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Abstract
The invention relates to an intermittent overfeeding composite spinning device with a symmetrical inclined plane groove, a method and application, wherein the device mainly comprises a bridging roller, a speed regulation roller, a handheld roller pair, an upper snail wire, a transposition air cylinder, a shift lever, a lower snail wire and a front upper roller with double inclined plane grooves. The method for intermittent overfeeding composite spinning comprises the steps that endless tows or yarns pass by the upper snail wire, pass through the handheld roller pair in a winding manner to be overfed, pass by the lower snail wire, are randomly or periodically transposed to the neutral, left and right parts among the middle area, the groove opening area and the jaw area of the front upper roller through the transposition air cylinder to be led in, are discharged from the jaw of a front roller, and are converged with short fiber yarns to form the intermittent overfeeding alternated wrapping and core composite yarns under twisting action. The method is unique and easy to realize, and can be used for the intermittent overfeeding transpositional wrapping composite yarns of a ring spinning frame, and the device corresponding to the method is simple and convenient to install.
Description
Technical field
The present invention relates to the composite spinning device that batch (-type) overfeeding looping in a kind of ring spinning field and cored replace and the composite spinning technique that adopts this device.
Background technology
Wrap yarn fabric has good appearance style, feel and comfortableness, and therefore this kind fabric is comparatively popular on market.Because the pattern effect of wrapped yarn depends on the overfeeding of endless tow or yarn, traditional wrapped yarn is all underfeed, be that endless tow is tensile force, therefore spin the key technology of this class enveloped composite yarn and be the overfeeding method and apparatus of endless tow or yarn on traditional ring spinner.
Have the correlative study of enveloped composite yarn both at home and abroad, its common adopted method is that filament yarn is introduced after middle roller or front roller after by lever jack, entering before front roller with staple fibre yarn and closing, after twisting, forms composite yarn.As model is gathered around the wraping spinning technology (number of patent application: introduced 200910035434.4) from front roller nip rear and fed two threads that intelligent patent is applicable to the special high grade yarn of spinning, be arranged in parallel within the both sides of drawing-off yarn, therewith feed front roller nip, be twisted wrapped yarn through adding, this composite spinning that is underfeed.The and for example patent production method of short staple enveloped composite yarn of Zhao Huan minister and device (number of patent application: 200510044026.7) introduced and had the staple fibre yarn of two kinds of raw materials after the roller draft drawing-down of draw zone with determining deviation roller nip output in the past, a twisting becomes heart yarn, another root is free-fiber state on transfer roller surface, through the effect of friction layer, go out with heart yarn to produce looping at the groove of looping roller, forming wrapped yarn, is also the composite spinning of underfeed formula.Also just like the patent short fiber wrapped composite spinning apparatus of Zhao Huanchen (number of patent application: 200520085218.8) install a set of looping device additional at ring throstle yarn, comprise and shift roller, looping roller and chain extension bar, spin wrapped yarn.Although simple, the processing ease of some mechanism in these devices, the tension force while feeding due to filament yarn is higher, cannot realize overfeeding.
Summary of the invention
An object of the present invention is to provide a kind of composite spinning device, can solve length/short diaxon by this composite spinning device is the composite spinning that overfeeding looping and looping and cored replace, and can make the endless tow tension stability of composite yarn in being shaped and provide to staple fibre yarn intermittence looping with the pattern effect of cored, thereby particular appearance style and its quality of raising that the looping that obtains looping cored composite yarn and cored replace.Another object of the present invention is to provide a kind of composite spinning technique that adopts above-mentioned composite spinning device.
In order to achieve the above object, principle of the present invention is to utilize the front roller motive power on traditional ring throstle to drive through bridge joint roller and speed governing roller, the linear velocity that reaches nip roiler is greater than the linear velocity of front roller, endless tow or yarn are replaced through the left and right of lower twizzle simultaneously, one in the symmetrical monocline face notch district of front upper roller and jaw district, both sides thereof is introduced on batch (-type) ground, realize overfeeding with wait feed conversion and Catastrophe and evolution overfeeding with wait hello conversion, and endless tow or a yarn left side, in, the conversion of right position, and form step overfeeding looping and wait and feed the composite spinning that cored replaces.
A concrete technical scheme of the present invention has been to provide a kind of symmetrical surface groove batch (-type) overfeeding composite spinning device, it is characterized in that: comprise bridge joint roller, bridge joint roller contacts with the front upper roller of speed governing roller and ring spinner respectively, front upper roller passes to speed governing roller by bridge joint roller by power, drive nip roiler to rotation by speed governing roller, on front upper roller, symmetry has double inclined plane groove, be positioned at Zhong district, middle part thereby form on front upper roller, be positioned at left notch district and the right notch district of Zhong Qu both sides and lay respectively at left notch district and the left jaw district of right notch district side and right jaw district, left notch district and right notch district are inclined-plane notch, it is upward slope near left jaw district and right jaw zone position place, it is descending near middle zone position place, after endless tow or the yarn upper twizzle through moving left and right, the right top roll of first pile warp nip roiler, the right lower roll of pile warp nip roiler again, district in feeding off and on the synchronization-moving lower twizzle of upper twizzle, left notch district, right notch district, any one in left jaw district and right jaw district, then, endless tow or yarn go out front roller nip Yu Jingzhong district and converge the looping of twisting formation batch (-type) overfeeding and the looping cored composite yarn that cored intermittently replaces with the staple fibre yarn of walking out of front roller nip.
Preferably, described upper twizzle and described lower twizzle are located at and are moved on bar, move bar and connect transposition cylinder, are driven and are moved bar at random or periodically side-to-side movement by transposition cylinder.
Preferably, described transposition cylinder can be at random or periodically air inlet and move left and right transposition, stopping air inlet stopping mobile, described in controlling with this, move that bar moves and left, center, right transpositions, thereby realize described lower twizzle and described upper twizzle replace in Yu Zhongqu, left notch district, right notch district, left jaw district and right jaw district at random or periodically any one; When described transposition cylinder normality, described endless tow or described yarn, in described front upper roller Zhong district, are equivalent and normally feed; Moving left and right while entering left notch district or right notch district, described endless tow or described yarn, in left notch district or the right notch district of described front upper roller, are overfeeding output and converge; Moving left and right while entering left jaw district or right jaw district, described endless tow or described yarn, in the jaw district of described front upper roller, are equivalent and normally feed; Described transposition cylinder also can slide at a slow speed in described Zhong Qu, left notch district, right notch district, left jaw district or right jaw district, to form continuous variation.
Preferably, change to regulate different transmission rotating ratios by described bridge joint roller and the complementation of described speed governing roller diameter.
Preferably, the described speed governing roller lower roll right with described nip roiler is coaxially connected, and the diameter of described speed governing roller is less than the diameter of described nip roiler to lower roll, and to ensure described nip roiler, right linear resonance surface velocity is greater than described front upper roller linear resonance surface velocity.
Another technical scheme of the present invention has been to provide a kind of composite spinning technique that adopts above-mentioned symmetrical surface groove batch (-type) overfeeding composite spinning device, it is characterized in that:
The first step, endless tow or yarn be through upper twizzle, the right top roll of first pile warp nip roiler, the more right lower roll of pile warp nip roiler to be to obtain stable tension force, and from the right lower roll downside overfeed ratio output of nip roiler;
Second step, endless tow or the yarn of overfeeding output feed front upper roller Zhong district off and on through lower twizzle, left notch district, right notch district, any one in left jaw district and right jaw district, endless tow or yarn are through left notch district or when right notch district, endless tow or yarn be not by front roller nip clamping, can form overfeeding output converges, the closer to left jaw district or right jaw district, clamping action by front roller nip is stronger, gradate and normally feed for equivalent, endless tow or yarn Jing Zhong district, when left jaw district or right jaw district, all by front roller nip clamping, for equivalent normally feeds, the transposition between left notch district or Yu Zhong district of right notch district of endless tow or yarn suddenlys change, endless tow or yarn in left notch district or the transposition in right notch district and left jaw district or right jaw district be gradual change, then, endless tow or yarn go out front roller nip Yu Jingzhong district and converge the looping of twisting formation batch (-type) overfeeding and the looping cored composite yarn that cored intermittently replaces with the staple fibre yarn of walking out of front roller nip, and endless tow or yarn through left notch district or right notch district with through left jaw district or the convergence angle in right jaw district different, also different to the looping angle of staple fibre yarn, the endless tow in Er Zhong district or yarn basic with staple fibre yarn coaxial or near, therefore mostly be cored.
Preferably, described overfeed ratio is the right linear velocity of described nip roiler and the ratio of the linear resonance surface velocity of described front upper roller, and its numerical value is greater than 1.0 and be less than or equal to 2.5.
Preferably, the front and back by described upper twizzle, move up and down to regulate described endless tow or described yarn at described nip roiler the angle of contact to top roll.
Preferably, described endless tow or described yarn are added around 1-2 and enclose to increase gripping effect and tension stability on twizzle on described.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned a kind of composite spinning technique, it is characterized in that: for the composite spinning that batch (-type) overfeeding looping and the cored to staple fibre yarn replaces on ring throstle.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned a kind of symmetrical surface groove batch (-type) overfeeding composite spinning device, it is characterized in that: for the composite spinning that batch (-type) overfeeding looping and the cored to staple fibre yarn replaces on ring throstle.
The present invention is that endless tow or yarn overfeeding are exported in the notch place of front roller by utilizing the rotary action of front roller to drive overfeeding mechanism to introduce outer shaft, and with the composite yarn that converges the overfeeding looping that becomes two components adding twisted and cored replace intermittence together with the staple fibre yarn of front roller nip output, really having realized outer shaft is that endless tow or yarn can intermittently change overfeed ratio and the overfeeding looping of staple fibre is replaced to the composite spinning of effect with waiting hello cored, not only can facilitate the be wrapped production of core composite yarn of alternating packets, and convenient installation regulates.
Feature of the present invention exists: 1. the present invention passes through roller group simple, light and handy, that effectively contact transmission and speed change, just realize the overfeeding of long filament or yarn, and can change easily the clamping of detour circuit and length and two rollers, make the tension force of endless tow or yarn and overfeed ratio can be effectively, stably control; 2. owing to having opened the groove of a pair of monocline face that can overfeeding at front upper roller, utilize slope and the vertical plane in this notch district, and adjacent jaw district, can realize effectively easily gradual change and the sudden change in the time of trivial conversion of endless tow or yarn, and the overfeeding of Qu Yuqu and wait and feed conversion, and realize the random or special looping style of overfeeding and the variation of looping angle periodically intermittently; 3. owing to there being three of left, center, rights, thus can looping and the generation that replaces of cored, and resultant yarn appearance effect is more unique; 4. the output angle of the degree of tightness of looping, pitch and endless tow or yarn, converges angle, because of the realization of overfeeding and the difference of three zone position, can adjust easily and change, to realize effect and the quality of overall overfeeding looping; 5. this looping compound spinning method practicability and effectiveness, without the former fine spining machine roller of dismounting, produces easy to adjust.
Brief description of the drawings
Fig. 1 is symmetrical surface groove batch (-type) overfeeding composite spinning device and technological principle schematic diagram;
Fig. 2 is symmetrical surface groove batch (-type) overfeeding composite spinning device and technological principle top view.
In figure: 1-bridge joint roller; 2-speed governing roller; 3-nip roiler pair; The upper twizzle of 4-; 5-front upper roller; The 6-cylinder that replaces; 7-moves bar; Twizzle under 8-; 9-staple fibre yarn; 10-endless tow or yarn; 11-looping cored composite yarn; 12-front roller nip; Bottom roll before 13-; 14-middle roller; 15-rear roller.
Detailed description of the invention
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figures 1 and 2, following each embodiment all adopts symmetrical surface groove batch (-type) overfeeding composite spinning device of the present invention, comprises bridge joint roller 1, and bridge joint roller 1 contacts with the front upper roller 5 of speed governing roller 2 and ring spinner respectively.By bridge joint roller 1, the rotation of front upper roller 5 is transmitted to speed governing roller 2, and the diameter of bridge joint roller 1 and speed governing roller 2 can complementary change, to regulate different transmission rotating ratios.Speed governing roller 2 is coaxially connected to 3 lower roll with nip roiler, the rotation of bridge joint roller 1 can be transmitted to nip roiler to 3, and the diameter of speed governing roller 2 is less than the diameter of nip roiler to 3 lower rolls, to ensure that nip roiler is greater than front upper roller 5 linear resonance surface velocities to 3 linear resonance surface velocity.On front upper roller 5, symmetry has double inclined plane groove, thereby forms and be arranged in middle part Zhong district I, the left notch district IIL that is positioned at I both sides, district and right notch district IIR and lay respectively at left notch district IIL and the left jaw district IIIL of right notch district IIR side and right jaw district IIIR on front upper roller 5.Left notch district IIL and right notch district IIRWei inclined-plane notch, it is upward slope near left jaw district IIIL and IIIR position, right jaw district, it is descending near I position, middle district.After endless tow or the yarn 10 upper twizzle 4 through moving left and right, first pile warp nip roiler is to 3 top roll, pile warp nip roiler is to 3 lower roll again, any one in feeding off and on the synchronization-moving lower twizzle 8 of upper twizzle 4 in district I, left notch district IIL, right notch district IIR, left jaw district IIIL and right jaw district IIIR.Lower twizzle 8 is fixedly connected on and moving on bar 7 that the cylinder 6 that replaces is connected together with upper twizzle 4, makes synchronous left and right sidesing shifting, to ensure stretching of endless tow or yarn 10.Upper twizzle 4 also can before and after, move up and down to regulate endless tow or yarn 10 at nip roiler the angle of contact to 3 top rolls, and endless tow or yarn 10 can add around 1-2 and enclose to increase gripping effect and tension stability on upper twizzle 4.Then, endless tow or yarn 10 go out front roller nip 12Yu Jingzhong district I and converge with the staple fibre yarn 9 of walking out of front roller nip 12 the looping cored composite yarn 11 that looping that twisting forms batch (-type) overfeeding and cored replace intermittence.
Transposition cylinder 6 can be at random or periodically air inlet and move left and right transposition, stopping air inlet stopping mobile, described in controlling with this, move that bar 7 moves and left, center, right transpositions, thereby realize described lower twizzle 8 and described upper twizzle 4 replace in Yu Zhong district I, left notch district IIL, right notch district IIR, left jaw district IIIL and right jaw district IIIR at random or periodically any one; When described transposition cylinder 6 normality, described endless tow or described yarn 10, at described front upper roller 5 Zhong district I, are equivalent and normally feed; Moving left and right while entering left notch district IIL or right notch district IIR, described endless tow or described yarn 10, at left notch district IIL or the right notch district IIR of described front upper roller 5, are overfeeding output and converge; Moving left and right while entering left jaw district IIIL or right jaw district IIIR, described endless tow or described yarn 10, in the jaw district of described front upper roller 5, are equivalent and normally feed; Described transposition cylinder 6 also can slide at a slow speed in described middle district I, left notch district IIL, right notch district IIR, left jaw district IIIL or right jaw district IIIR, to form continuous variation.
The present invention also provides a kind of composite spinning technique that adopts above-mentioned symmetrical surface groove batch (-type) overfeeding composite spinning device, the steps include:
The first step, endless tow or yarn 10 be through upper twizzle 4, and first pile warp nip roiler is to 3 top roll, then pile warp nip roiler to 3 lower roll to obtain stable tension force, and from nip roiler to 3 lower roll downside overfeed ratio output.The overfeed ratio ratio with the linear resonance surface velocity of front upper roller 5 that is described nip roiler to 3 linear velocity, its numerical value is greater than 1.0 and be less than or equal to 2.5.Due to endless tow or yarn 10 nip roiler to 3 top rolls detour and at nip roiler to the detouring of 3 lower rolls, and be held roller to 3 clamping, make the tension force of endless tow or yarn 10 more stable, the fluctuation of overfeed ratio is less.
Second step, endless tow or the yarn 10 of overfeeding output feed front upper roller 5 Zhong district I off and on through lower twizzle 8, left notch district IIL, right notch district IIR, any one in left jaw district IIIL and right jaw district IIIR, endless tow or yarn 10 are in the time of left notch district IIL or right notch district IIR, endless tow or yarn 10 be not by front roller nip 12 clampings, can form overfeeding output converges, the closer to left jaw district IIIL or right jaw district IIIR, clamping action by front roller nip 12 is stronger, gradate and normally feed for equivalent, endless tow or yarn 10Jing Zhong district I, when left jaw district IIIL or right jaw district IIIR, all by front roller nip 12 clampings, for equivalent normally feeds, the transposition between left notch district IIL or right notch district IIRYu Zhong district I of endless tow or yarn 10 suddenlys change, endless tow or yarn 10 are gradual changes in the transposition of left notch district IIL or right notch district IIR and left jaw district IIIL or right jaw district IIIR.Overfeeding output is converged with the transformation energy of the normal feeding of equivalent and is made endless tow or yarn 10 implement looping with the looping angle and the looping amount that intermittently change to staple fibre yarn 9.
Then, endless tow or yarn 10 go out front roller nip 12Yu Jingzhong district I and converge with the staple fibre yarn 9 of walking out of front roller nip 12 the looping cored composite yarn 11 that looping that twisting forms batch (-type) overfeeding and cored replace intermittence.Endless tow or yarn 10 through left notch district IIL or right notch district IIR with different through the convergence angle of left jaw district IIIL or right jaw district IIIR, also different to the looping angle of staple fibre yarn 9, the endless tow of Er Zhong district I or yarn 10 basic with staple fibre yarn 9 coaxial or near, therefore mostly be cored.Although endless tow or yarn 10 are held roller 3 overfeed ratios are exported, because of the restriction that front roller nip 12 clamps, can only equivalent export, its unnecessary amount savings, waits for the release output that enters left notch district IIL or right notch district IIR.
Following specific embodiment 1～4th, to different fibers and line density thereof, selects different long filaments, different rove bar and different composite yarning process parameter, i.e. the tension force of long filament and feeding angle, ingot speed, front roller rotating speed, overfeed ratio.Carry out by the spinning of symmetrical surface groove batch (-type) overfeeding compound spinning method of the present invention, and be spun into bi-component overfeeding composite yarn.
Adopt one-sided filoplume counting method to measure the filoplume of composite yarn, the hairiness index (F) of the bright and clean composite yarn of gained, refers in unit length yarn that extension elongation in single side face exceedes the filoplume accumulative total (root/m) F=A+B of certain preseting length
e -Cl, the setting extension elongation (mm) that l is filoplume, A, B, C are test constant; Fracture strength (P), considers fiber thickness difference, represents the index of fiber opposing outside destroy ability, unit (cN/tex); Elongation at break ε=(L-L
0)/L
0=Δ L/L
0, wherein, L
0for former length, specimen length when L is tension failure, Δ L is absolute elongation value, the size of elongation strain ability when elongation at break represents Materials Fracture.
Embodiment 1
Adopt symmetrical surface groove batch (-type) overfeeding composite spinning device of the present invention and technique, polyester filament bundle is carried out after overfeeding as stated above, carry out batch (-type) overfeeding looping and the composite spinning that waits hello cored to replace with bombax cotton yarn, form the intermittently looping cored composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the looping cored composite yarn of overfeeding formula intermittently, there is the outward appearance of obvious change looping effect, the effect replacing as the feeding looping cored of I, II, IIIShi Zhong district I, left notch district IIL, right notch district IIR, left jaw district IIIL and the right jaw district IIIR of Fig. 2 discontinuous formula looping cored composite yarn 11 parts.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.
Embodiment 2
Adopt symmetrical surface groove batch (-type) overfeeding composite spinning device of the present invention and technique, viscose filament yarn bundle is carried out after overfeeding as stated above, carry out batch (-type) overfeeding looping and the composite spinning that waits hello cored to replace with cotton fiber yarn, form the intermittently looping cored composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the looping cored composite yarn of overfeeding formula intermittently, there is the outward appearance of obvious change looping effect, the effect replacing as the feeding looping cored of I, II, IIIShi Zhong district I, left notch district IIL, right notch district IIR, left jaw district IIIL and the right jaw district IIIR of Fig. 2 discontinuous formula looping cored composite yarn 11 parts.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.
Embodiment 3
Adopt symmetrical surface groove batch (-type) overfeeding composite spinning device of the present invention and technique, chinlon filament bundle is carried out after overfeeding as stated above, carry out batch (-type) overfeeding looping and the composite spinning that waits hello cored to replace with wool fibre yarn, form the intermittently looping cored composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the looping cored composite yarn of overfeeding formula intermittently, there is the outward appearance of obvious change looping effect, the effect replacing as the feeding looping cored of I, II, IIIShi Zhong district I, left notch district IIL, right notch district IIR, left jaw district IIIL and the right jaw district IIIR of Fig. 2 discontinuous formula looping cored composite yarn 11 parts.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.
Embodiment 4
Adopt symmetrical surface groove batch (-type) overfeeding composite spinning device of the present invention and technique, cotton yarn endless tow is carried out after overfeeding as stated above, carry out batch (-type) overfeeding looping and the composite spinning that waits hello cored to replace with the linen fibre yarn of meticulous ramie stripes, form the intermittently looping cored composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the looping cored composite yarn of overfeeding formula intermittently, there is the outward appearance of obvious change looping effect, the effect replacing as the feeding looping cored of I, II, IIIShi Zhong district I, left notch district IIL, right notch district IIR, left jaw district IIIL and the right jaw district IIIR of Fig. 2 discontinuous formula looping cored composite yarn 11 parts.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.Because being moves back and forth slowly, overfeeding looping is more mild with the variation that grade is fed cored, is soft variation appearance style.
Spin the symmetrical surface groove batch (-type) overfeeding composite spinning technological parameter of different appearance effect
Claims (10)
1. a symmetrical surface groove batch (-type) overfeeding composite spinning device, it is characterized in that: comprise bridge joint roller (1), bridge joint roller (1) contacts with the front upper roller (5) of speed governing roller (2) and ring spinner respectively, front upper roller (5) passes to speed governing roller (2) by bridge joint roller (1) by power, drive nip roiler to rotate (3) by speed governing roller (2), have double inclined plane groove in the upper symmetry of front upper roller (5), thereby be positioned at Zhong district, middle part (I) upper formation of front upper roller (5), be arranged in left notch district (IIL) and the right notch district (IIR) of both sides, district (I) and lay respectively at left notch district (IIL) and the left jaw district (IIIL) of right notch district (IIR) side and right jaw district (IIIR), left notch district (IIL) and right notch district (IIR) are inclined-plane notch, it is upward slope near left jaw district (IIIL) and position, right jaw district (IIIR), it is descending near position, middle district (I), after endless tow or yarn (10) the upper twizzle (4) through moving left and right, the top roll of first pile warp nip roiler to (3), the lower roll of pile warp nip roiler to (3) again, district (I) in feeding off and on the synchronization-moving lower twizzle of upper twizzle (4) (8), left notch district (IIL), right notch district (IIR), any one in left jaw district (IIIL) and right jaw district (IIIR), then, endless tow or yarn (10) go out front roller nip (12) Yu Jingzhong district (I) and converge the looping of twisting formation batch (-type) overfeeding and the looping cored composite yarn (11) that cored intermittently replaces with the staple fibre yarn (9) of walking out of front roller nip (12), and endless tow or yarn (10) through left notch district (IIL) or right notch district (IIR) with through left jaw district (IIIL) or the convergence angle in right jaw district (IIIR) different, also different to the looping angle of staple fibre yarn (9), the endless tow in Er Zhong district (I) or yarn (10) basic with staple fibre yarn (9) coaxial or near, therefore mostly be cored.
2. the symmetrical surface groove batch (-type) of one as claimed in claim 1 overfeeding composite spinning device, it is characterized in that: described upper twizzle (4) and described lower twizzle (8) are located at and are moved on bar (7), move bar (7) and connect transposition cylinder (6), drive and move bar (7) at random or periodically side-to-side movement by transposition cylinder (6), transposition cylinder (6) can be at random or periodically air inlet and move left and right transposition, stopping air inlet stopping mobile, described in controlling with this, move bar (7) mobile and left, in, right transposition, thereby realize described lower twizzle (8) and described upper twizzle (4) the Yu Zhong district (I) that replaces at random or periodically, left notch district (IIL), right notch district (IIR), any one in left jaw district (IIIL) and right jaw district (IIIR), when described transposition cylinder (6) normality, described endless tow or described yarn (10), in described front upper roller (5) Zhong district (I), are equivalent and normally feed, moving left and right while entering left notch district (IIL) or right notch district (IIR), described endless tow or described yarn (10), in left notch district (IIL) or the right notch district (IIR) of described front upper roller (5), are overfeeding output and converge, moving left and right while entering left jaw district (IIIL) or right jaw district (IIIR), described endless tow or described yarn (10), in the jaw district of described front upper roller (5), are equivalent and normally feed, described transposition cylinder (6) also can slide at a slow speed in described middle district (I), left notch district (IIL), right notch district (IIR), left jaw district (IIIL) or right jaw district (IIIR), to form continuous variation.
3. the symmetrical surface groove batch (-type) of one as claimed in claim 1 overfeeding composite spinning device, is characterized in that: change to regulate different transmission rotating ratios by described bridge joint roller (1) from the complementation of described speed governing roller (2) diameter.
4. the symmetrical surface groove batch (-type) of one as claimed in claim 1 overfeeding composite spinning device, it is characterized in that: described speed governing roller (2) is coaxially connected to the lower roll of (3) with described nip roiler, the diameter of described speed governing roller (2) is less than the diameter of described nip roiler to (3) lower roll, to ensure that described nip roiler is greater than described front upper roller (5) linear resonance surface velocity to the linear resonance surface velocity of (3).
5. a composite spinning technique that adopts symmetrical surface groove batch (-type) overfeeding composite spinning device as claimed in claim 1, is characterized in that:
The first step, endless tow or yarn (10) be through upper twizzle (4), the top roll of first pile warp nip roiler to (3), then pile warp nip roiler to the lower roll of (3) to obtain stable tension force, and the lower roll downside overfeed ratio output to (3) from nip roiler;
Second step, endless tow or the yarn (10) of overfeeding output feed front upper roller (5) Zhong district (I) off and on through lower twizzle (8), left notch district (IIL), right notch district (IIR), any one in left jaw district (IIIL) and right jaw district (IIIR), endless tow or yarn (10) are through left notch district (IIL) or when right notch district (IIR), endless tow or yarn (10) be not by front roller nip (12) clamping, can form overfeeding output converges, the closer to left jaw district (IIIL) or right jaw district (IIIR), clamping action by front roller nip (12) is stronger, gradate and normally feed for equivalent, endless tow or yarn (10) Jing Zhong district (I), when left jaw district (IIIL) or right jaw district (IIIR), all by front roller nip (12) clamping, for equivalent normally feeds, endless tow or yarn (10) transposition between left notch district (IIL) or Yu Zhong district of right notch district (IIR) (I) suddenlys change, endless tow or yarn (10) are gradual change in the transposition in left notch district (IIL) and left jaw district (IIIL) or in right notch district (IIR) with the transposition in right jaw district (IIIR), then, endless tow or yarn (10) go out front roller nip (12) Yu Jingzhong district (I) and converge with the staple fibre yarn (9) of walking out of front roller nip (12) the looping cored composite yarn (11) that looping that twisting forms batch (-type) overfeeding and cored replace intermittence.
6. a kind of composite spinning technique as claimed in claim 5, is characterized in that: described overfeed ratio is the ratio of the linear resonance surface velocity of the linear velocity of described nip roiler to (3) and described front upper roller (5), and its numerical value is greater than 1.0 and be less than or equal to 2.5.
7. a kind of composite spinning technique as claimed in claim 5, is characterized in that: front and back by described upper twizzle (4), move up and down to regulate described endless tow or described yarn (10) at described nip roiler the angle of contact to (3) top roll.
8. a kind of composite spinning technique as claimed in claim 5, is characterized in that: described endless tow or described yarn (10) are added around 1-2 and enclose to increase gripping effect and tension stability on twizzle (4) on described.
9. an application for a kind of composite spinning technique as claimed in claim 5, is characterized in that: for the composite spinning that batch (-type) overfeeding looping and the cored to staple fibre yarn replaces on ring throstle.
10. an application for a kind of symmetrical surface groove batch (-type) overfeeding composite spinning device as claimed in claim 1, is characterized in that: for the composite spinning that batch (-type) overfeeding looping and the cored to staple fibre yarn replaces on ring throstle.
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| CN103601031B (en) * | 2013-12-02 | 2016-04-20 | 上林海润丝业有限公司 | A kind of elastic core silk spandex wire feeder of improvement |
| JP3201101U (en) * | 2015-09-09 | 2015-11-19 | モリリン株式会社 | Polyester spun yarn |
| CN107366070B (en) * | 2017-06-28 | 2019-06-14 | 颍上鑫鸿纺织科技有限公司 | A kind of looping covering yarn and its production method |
| DE102019135719B4 (en) * | 2019-12-23 | 2023-11-30 | Peppermint Holding GmbH | Device and method for producing a core yarn |
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| JPS60110930A (en) * | 1983-11-18 | 1985-06-17 | Mitsubishi Rayon Co Ltd | Preparation of specific fancy yarn |
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| JP5155581B2 (en) * | 2007-03-29 | 2013-03-06 | ユニチカトレーディング株式会社 | Manufacturing method of long and short composite spun yarn |
| WO2009090501A1 (en) * | 2008-01-16 | 2009-07-23 | Dekor Tekstil Sanayi Ve Ticaret Anonim Sirketi | Method for producing ring dyeable core-spun yarn |
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