CN102787402B - Intermittent overfeeding composite spinning device with single inclined plane groove and method - Google Patents
Intermittent overfeeding composite spinning device with single inclined plane groove and method Download PDFInfo
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- CN102787402B CN102787402B CN201210254327.2A CN201210254327A CN102787402B CN 102787402 B CN102787402 B CN 102787402B CN 201210254327 A CN201210254327 A CN 201210254327A CN 102787402 B CN102787402 B CN 102787402B
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Abstract
The invention relates to an intermittent overfeeding composite spinning device with a single 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 three-position electromagnetic switch, a trigger rod, a lower snail wire and a front upper roller with a single inclined plane groove. 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 left and right parts between the single inclined plane groove opening area and the clamp areas of the two sides of the front upper roller through the three-position electromagnetic switch 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 wrapping composite yarns under twisting action. The method is unique and easy to realize, and can be used for the intermittent gradually and suddenly changing 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 of batch (-type) gradual change and sudden change overfeeding in a kind of ring spinning field conversion looping and adopt the technique of this composite spinning device.
Background technology
Wrap yarn fabric has good appearance style, feel and comfortableness, so 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 overfeeding method and apparatus that the key technology of this class enveloped composite yarn is 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, before entering front roller, with staple fibre yarn and close, 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, through adding, be twisted wrapped yarn, this composite spinning that is underfeed.The 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 in the past roller nip output of a determining deviation and for example, a twisting becomes heart yarn, another root is free-fiber state on transfer roller surface, effect through friction layer, groove at looping roller goes out with heart yarn to produce looping, 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, by this composite spinning device, can solve the composite spinning that length/short diaxon is the change looping effect of enveloped composite yarn, and in making to produce endless tow tension stability and provide to staple fibre yarn intermittence looping pattern effect, thereby obtain the particular appearance style of enveloped composite yarn and improve its quality.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 introduced in the monocline face notch district of front upper roller and jaw district, both sides thereof through the left and right transposition of lower twizzle simultaneously, realize overfeeding and the conversion of wait feeding and Catastrophe and evolution overfeeding and wait hello conversion, and forming step overfeeding looping composite spinning.
A concrete technical scheme of the present invention has been to provide a kind of single 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 by bridge joint roller by transmission of power to speed governing roller, by speed governing roller, drive nip roiler to rotation, on front upper roller, have a surface groove, thereby on front upper roller, form the monocline face notch district that is positioned at middle part and the first jaw district and the second jaw district that is positioned at these both sides, monocline face notch district, 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, through feeding off and on monocline face notch district with the synchronization-moving lower twizzle of upper twizzle, any one in the first jaw district or the second jaw district, then, endless tow or yarn go out front roller nip and converge with the staple fibre yarn with walking out of front roller nip the enveloped composite yarn that twisting forms the conversion of batch (-type) gradual change and sudden change overfeeding.
Preferably, described upper twizzle and described lower twizzle are located on frizzen, frizzen connects three-position electromagnetic switch, three-position electromagnetic switch can be at random or is periodically triggered that forward is opened or negative sense is opened or closed and controls the transposition of frizzen left, center, right, thereby realizes described lower twizzle and described upper twizzle replace at random or periodically in described monocline face notch district (I), described the first jaw district or described the second jaw district any one; When this three-position electromagnetic switch normality is closed, described endless tow or described yarn are in described monocline face notch district, described endless tow or described yarn be not by described front roller nip clamping, forming overfeed ratio output converges, and the slope in described monocline face notch district is near described the first jaw district, and perpendicular steps, near described the second jaw district, is moved on slope, clamping action by described front roller nip is stronger, gradates as the output without overfeed ratio; When the closed startup of forward or the closed startup of negative sense, described endless tow or described yarn are in described the first jaw district or the second jaw district, and described endless tow or described yarn, by described front roller nip clamping, form the normal output of equivalent; The transposition in described monocline face notch district and described the second jaw district is because be perpendicular steps and suddenling change, the transposition in described monocline face notch district and described the first jaw district is because be slope and gradual change, and convergence angle when described endless tow or described yarn converge from described staple fibre yarn through the first jaw district and described endless tow or the described yarn convergence angle when the second jaw district and described staple fibre yarn converge is different, also different to the looping angle of described staple fibre yarn.
Preferably, the complementation of the diameter by described bridge joint roller and described speed governing roller changes to regulate different transmission rotating ratios.
Preferably, the described speed governing roller lower roll right with described nip roiler is coaxially connected, and the diameter of speed governing roller is less than the diameter of lower roll, is greater than the linear resonance surface velocity of described front upper roller with the right linear resonance surface velocity that guarantees described nip roiler.
Another technical scheme of the present invention has been to provide a kind of composite spinning technique that adopts above-mentioned single surface groove batch (-type) overfeeding composite spinning device, it is characterized in that:
The first step, endless tow or yarn are through upper twizzle, and the right top roll of first pile warp nip roiler, the more right lower roll of pile warp nip roiler, to obtain stable tension force and to export from the right lower roll downside overfeed ratio of nip roiler;
Second step, the endless tow of overfeeding output or yarn feed in monocline face notch district, the first jaw district or the second jaw district of front upper roller off and on through lower twizzle, endless tow or yarn are when monocline face notch district, not by front roller nip clamping, forming overfeed ratio output converges, when moving on the slope in monocline face notch district, stronger by the clamping action of described front roller nip, gradate as the output without overfeed ratio; Endless tow or yarn, when the first jaw district or the second jaw district, by described front roller nip clamping, form the normal output of equivalent; Because three-position electromagnetic switch can be at random or periodically trigger that forward is opened or negative sense is opened or closed and controls the transposition of frizzen left, center, right, endless tow or yarn can replaced between monocline face notch district and the first jaw district or between monocline face notch district and the second jaw district, while replacing between monocline face notch district and the first jaw district, realize that overfeed ratio output is converged and without the gradual change between the output of overfeed ratio, and while replacing between monocline face notch district and the second jaw district, realize that overfeed ratio output is converged and without the sudden change between the output of overfeed ratio; Then, endless tow or yarn go out front roller nip and converge twisting with the staple fibre yarn with walking out of front roller nip, convergence angle when the first jaw district converges from staple fibre yarn of endless tow or yarn and endless tow or the yarn convergence angle when the second jaw district and staple fibre yarn converge is different, also different to the looping angle of described staple fibre yarn, finally form the enveloped composite yarn that batch (-type) gradual change and sudden change overfeeding converts.
Preferably, described overfeed ratio refers to the ratio of the right linear velocity of described nip roiler and the linear resonance surface velocity of described front upper roller, and its value is greater than 1.0 and be less than or equal to 2.5.
Preferably, described upper twizzle can before and after, 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 add 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 composite spinning technique, it is characterized in that: for the composite spinning to the batch (-type) gradual change and sudden change overfeeding conversion looping of staple fibre yarn on ring throstle.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned single surface groove batch (-type) overfeeding composite spinning device, it is characterized in that: for the composite spinning to the batch (-type) gradual change and sudden change overfeeding conversion looping of staple fibre yarn 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 together with staple fibre yarn from front roller nip output, converge the overfeeding enveloped composite yarn that becomes two components adding twisted, really having realized outer shaft is that endless tow or yarn can intermittently change overfeed ratio and the composite spinning to the looping effect of staple fibre, not only can facilitate the production of enveloped composite yarn, 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 realizes the overfeeding of long filament or yarn; 2. 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; 3. due at front upper roller, opened one can overfeeding the groove of monocline face, utilize slope and the vertical plane in this notch district, and adjacent jaw district, can realize effectively easily gradual change and the sudden change when trivial conversion of endless tow or yarn, and the overfeeding of Qu Yuqu and wait to feed conversion, and realize the random or special looping style of overfeeding and the variation of looping angle periodically intermittently; 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 whole overfeeding looping; 5. this looping compound spinning method practicability and effectiveness, without the former fine spining machine roller of dismounting, produces easy to adjust.
Accompanying drawing explanation
Fig. 1 is single surface groove batch (-type) overfeeding composite spinning device and technological principle schematic diagram;
Fig. 2 is single 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; 6-three-position electromagnetic switch; 7-frizzen; Twizzle under 8-; 9-staple fibre yarn; 10-endless tow or yarn; 11-batch (-type) enveloped composite yarn; 12-front roller nip; Bottom roll before 13-; 14-middle roller; 15-rear roller.
The specific embodiment
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.
Following examples all adopt single surface groove batch (-type) overfeeding composite spinning device as shown in Figures 1 and 2, comprise bridge joint roller 1, bridge joint roller 1 is transmitted to speed governing roller 2 by the rotation of front upper roller 5, and the diameter of bridge joint roller 1 and speed governing roller 2 can complementaryly change, to regulate different transmission rotating ratios.Speed governing roller 2 and nip roiler are coaxially connected to 3 lower roll, the rotation of bridge joint roller 1 can be transmitted to nip roiler to 3.The diameter of speed governing roller 2 is less than the diameter of nip roiler to 3 lower rolls, to guarantee 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, have a surface groove, thereby on front upper roller 5, form the monocline face notch district I that is positioned at middle part and the first jaw district II and the second jaw district III that is positioned at these I both sides, monocline face notch district.At the endless tow of monocline face notch district I or yarn 10 not by front roller nip 12 clampings; At the endless tow of the first jaw district II or the second jaw district III or yarn 10 by front roller nip 12 clampings.The slope of monocline face notch district I is near the first jaw district II, and the first jaw district II separates with the slope direction of monocline face notch district I; The perpendicular steps of monocline face notch district I is near the second jaw district III, and the second jaw district III separates with the vertical plane of monocline face notch district I.Endless tow or yarn 10 move on slope, stronger by the clamping action of front roller nip 12, gradate as the output without overfeed ratio
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, through feeding off and on any one in monocline face notch district I, the first jaw district II or the second jaw district III with the synchronization-moving lower twizzle 8 of upper twizzle 4 again.
Upper twizzle 4 and lower twizzle 8 are located on frizzen 7, frizzen 7 connects three-position electromagnetic switch 6, three-position electromagnetic switch 6 can be at random or is periodically triggered that forward is opened or negative sense is opened or closed and controls frizzen 7 left, center, right transpositions, thereby realizes lower twizzle 8 and upper twizzle 4 replace at random or periodically in monocline face notch district I, the first jaw district II or the second jaw district III any one.When these three-position electromagnetic switch 6 normalities are closed, endless tow or yarn 10 are at monocline face notch district I, and endless tow or yarn 10, not by front roller nip 12 clampings, form overfeed ratio output and converge.Although endless tow or yarn 10 are held roller 3 overfeed ratios are exported, because of the restriction of front roller nip 12 clampings, can only equivalent export, its unnecessary amount savings, waits for the release output that enters notch district.Therefore, when the closed startup of forward or the closed startup of negative sense, endless tow or yarn 10 are at the first jaw district II or the second jaw district III, and endless tow or yarn 10, by front roller nip 12 clampings, form the normal output of equivalent.The transposition of monocline face notch district I and the second jaw district III is because be perpendicular steps and suddenling change, and the transposition of monocline face notch district I and the first jaw district II is because of being slope and gradual change.And convergence angle when the first jaw district II converges from staple fibre yarn 9 of endless tow or yarn 10 and endless tow or yarn 10 convergence angle when the second jaw district III and staple fibre yarn 9 converge is different, also different to the looping angle of staple fibre yarn 9.Then, endless tow or yarn 10 go out front roller nip 12 and converge with the staple fibre yarn 9 of walking out of front roller nip 12 enveloped composite yarn 11 that twisting forms the conversion of batch (-type) gradual change and sudden change overfeeding.
The present invention also provides a kind of composite spinning technique that adopts above-mentioned single surface groove batch (-type) overfeeding composite spinning device, the steps include:
The first step, endless tow or yarn 10 be through upper twizzle 4, first pile warp nip roiler is to 3 top roll, then pile warp nip roiler is to 3 lower roll, with obtain stable tension force and from nip roiler to 3 lower roll downside overfeed ratio output.Upper twizzle 4 can before and after, move up and down to regulate endless tow or yarn 10 at described nip roiler the angle of contact to 3 top rolls.Endless tow or yarn 10 add around 1-2 and enclose to increase gripping effect and tension stability on upper twizzle 4.
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.Overfeed ratio refer to nip roiler to 3 linear velocity the ratio with the linear resonance surface velocity of front upper roller 5, its value is greater than 1.0 and be less than or equal to 2.5.
Second step, the endless tow of overfeeding output or yarn 10 feed in monocline face notch district I, the first jaw district II of front upper roller 5 or the second jaw district III off and on through lower twizzle 8, endless tow or yarn 10 are when monocline face notch district I, not by front roller nip 12 clampings, forming overfeed ratio output converges, when moving on the slope of monocline face notch district I, stronger by the clamping action of described front roller nip 12, gradate as the output without overfeed ratio, endless tow or yarn 10, when the first jaw district II or the second jaw district III, by described front roller nip 12 clampings, form the normal output of equivalent, because three-position electromagnetic switch 6 can be at random or periodically trigger forward and open, or negative sense is opened, or frizzen 7 left sides are controlled in pass, in, right transposition, endless tow or yarn 10 can replaced between monocline face notch district I and the first jaw district II or between monocline face notch district I and the second jaw district III, while replacing between monocline face notch district I and the first jaw district II, realize that overfeed ratio output is converged and without the gradual change between the output of overfeed ratio, and while replacing between monocline face notch district I and the second jaw district III, realize that overfeed ratio output is converged and without the sudden change between the output of overfeed ratio, then, endless tow or yarn 10 go out front roller nip 12 and converge twisting with the staple fibre yarn 9 with walking out of front roller nip 12, convergence angle when the first jaw district II converges from staple fibre yarn 9 of endless tow or yarn 10 and endless tow or yarn 10 convergence angle when the second jaw district III and staple fibre yarn 9 converge is different, also different to the looping angle of described staple fibre yarn 9, finally form the enveloped composite yarn 11 that batch (-type) gradual change and sudden change overfeeding converts.
Following specific embodiment 1～3rd, 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 monocline face batch (-type) overfeeding compound spinning method of the present invention, and be spun into the enveloped composite yarn of bi-component batch (-type) gradual change and sudden change overfeeding.
Adopt one-sided filoplume counting method to measure the filoplume of composite yarn, the hairiness index of the bright and clean composite yarn of gained (F), refers in the interior single side face of unit length yarn that extension elongation is over filoplume accumulative total (root/m) F=A+Be of certain preseting length
-Cl, the setting extension elongation (mm) that l is filoplume, A, B, C are test constant; Fracture strength (P), considers that fiber thickness is different, 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 monocline face batch (-type) overfeeding compound spinning method of the present invention, cotton yarn is carried out after overfeeding as stated above, with the composite spinning that bombax cotton yarn carries out the conversion of batch (-type) gradual change and sudden change overfeeding, form the intermittently enveloped 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 enveloped composite yarn of overfeeding formula intermittently, the outward appearance with obvious change looping effect, as III → I, the I → II of the enveloped composite yarn 11 resultant yarns parts of gradual change and sudden change overfeeding conversion in Fig. 2 and II → I corresponding be sudden change conversion, gradual change conversion and gradual change conversion, I wherein, II, III are the effects of the feeding looping in I, II, III district.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; During 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 monocline face batch (-type) overfeeding compound spinning method of the present invention, polyester filament is carried out after overfeeding as stated above, carry out with cotton fiber yarn the composite spinning that batch (-type) gradual change and sudden change overfeeding converts, form the intermittently enveloped 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 enveloped composite yarn of overfeeding formula intermittently, the outward appearance with obvious change looping effect, as III → I, the I → II of the enveloped composite yarn 11 resultant yarns parts of gradual change and sudden change overfeeding conversion in Fig. 2 and II → I corresponding be sudden change conversion, gradual change conversion and gradual change conversion, I wherein, II, III are the effects of the feeding looping in I, II, III district.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; During 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 monocline face batch (-type) overfeeding compound spinning method of the present invention, chinlon filament is carried out after overfeeding as stated above, carry out with wool fibre yarn the composite spinning that batch (-type) gradual change and sudden change overfeeding converts, form the intermittently enveloped 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 enveloped composite yarn of overfeeding formula intermittently, the outward appearance with obvious change looping effect, as III → I, the I → II of the enveloped composite yarn 11 resultant yarns parts of gradual change and sudden change overfeeding conversion in Fig. 2 and II → I corresponding be sudden change conversion, gradual change conversion and gradual change conversion, I wherein, II, III are the effects of the feeding looping in I, II, III district.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; During 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.
Spin the monocline face batch (-type) overfeeding composite spinning technological parameter of different appearance effect
Claims (10)
1. a single 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) by bridge joint roller (1) by transmission of power to speed governing roller (2), by speed governing roller (2), drive nip roiler to rotate (3), on front upper roller (5), have a surface groove, thereby in the upper monocline face notch district (I) that is positioned at middle part and the first jaw district (II) and the second jaw district (III) that is positioned at these both sides, monocline face notch district (I) of forming of front upper roller (5), 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, through feeding off and on monocline face notch district (I) with the synchronization-moving lower twizzle of upper twizzle (4) (8), any one in the first jaw district (II) or the second jaw district (III), then, endless tow or yarn (10) go out front roller nip (12) and converge with the staple fibre yarn (9) with walking out of front roller nip (12) enveloped composite yarn (11) that twisting forms the conversion of batch (-type) gradual change and sudden change overfeeding.
2. a kind of single surface groove batch (-type) overfeeding composite spinning device as claimed in claim 1, it is characterized in that: described upper twizzle (4) and described lower twizzle (8) are located on frizzen (7), frizzen (7) connects three-position electromagnetic switch (6), three-position electromagnetic switch (6) can be at random or is periodically triggered forward and open, or negative sense is opened, or frizzen (7) left side is controlled in pass, right, middle transposition, thereby realizing described lower twizzle (8) and described upper twizzle (4) replaces at random or periodically in described the first jaw district (II), any one in described the second jaw district (III) or described monocline face notch district (I), when this three-position electromagnetic switch (6) normality is closed, described endless tow or described yarn (10) are in described monocline face notch district (I), described endless tow or described yarn (10) be not by described front roller nip (12) clamping, forming overfeed ratio output converges, and the slope in described monocline face notch district (I) is near described the first jaw district (II), perpendicular steps is near described the second jaw district (III), on slope, move, clamping action by described front roller nip (12) is stronger, gradates as the output without overfeed ratio, when the closed startup of forward or the closed startup of negative sense, described endless tow or described yarn (10) are in described the first jaw district (II) or the second jaw district (III), described endless tow or described yarn (10), by described front roller nip (12) clamping, form the normal output of equivalent, the transposition in described monocline face notch district (I) and described the second jaw district (III) is because be perpendicular steps and suddenling change, the transposition in described monocline face notch district (I) and described the first jaw district (II) is because be slope and gradual change, and convergence angle when convergence angle when the first jaw district (II) converges from described staple fibre yarn (9) of described endless tow or described yarn (10) and described endless tow or described yarn (10) converge with described staple fibre yarn (9) through the second jaw district (III) is different, also different to the looping angle of described staple fibre yarn (9).
3. a kind of single surface groove batch (-type) overfeeding composite spinning device as claimed in claim 1, is characterized in that: the complementation of the diameter by described bridge joint roller (1) and described speed governing roller (2) changes to regulate different transmission rotating ratios.
4. a kind of single surface groove batch (-type) overfeeding composite spinning device as claimed in claim 1, it is characterized in that: described speed governing roller (2) is coaxially connected to the lower roll of (3) with described nip roiler, and the diameter of speed governing roller (2) is less than the diameter of lower roll, to guarantee that described nip roiler is greater than the linear resonance surface velocity of described front upper roller (5) to the linear resonance surface velocity of (3).
5. adopt a composite spinning technique for single surface groove batch (-type) overfeeding composite spinning device as claimed in claim 1, it is characterized in that:
The first step, endless tow or yarn (10) are through upper twizzle (4), and the top roll of first pile warp nip roiler to (3), then the lower roll of pile warp nip roiler to (3), to obtain stable tension force and the lower roll downside overfeed ratio output to (3) from nip roiler;
Second step, the endless tow of overfeeding output or yarn (10) feed in monocline face notch district (I), the first jaw district (II) or the second jaw district (III) of front upper roller (5) off and on through lower twizzle (8), endless tow or yarn (10) are when monocline face notch district (I), not by front roller nip (12) clamping, forming overfeed ratio output converges, when moving on the slope in monocline face notch district (I), clamping action by described front roller nip (12) is stronger, gradates as the output without overfeed ratio, endless tow or yarn (10), when the first jaw district (II) or the second jaw district (III), by described front roller nip (12) clamping, form the normal output of equivalent, because three-position electromagnetic switch (6) can be at random or periodically trigger forward and open, or negative sense is opened, or frizzen (7) left side is controlled in pass, right, middle transposition, endless tow or yarn (10) can replaced between monocline face notch district (I) and the first jaw district (II) or between monocline face notch district (I) and the second jaw district (III), while replacing between monocline face notch district (I) and the first jaw district (II), realize that overfeed ratio output is converged and without the gradual change between the output of overfeed ratio, and while replacing between monocline face notch district (I) and the second jaw district (III), realize that overfeed ratio output is converged and without the sudden change between the output of overfeed ratio, then, endless tow or yarn (10) go out front roller nip (12) and converge twisting with the staple fibre yarn (9) with walking out of front roller nip (12), convergence angle when convergence angle when the first jaw district (II) converges from staple fibre yarn (9) of endless tow or yarn (10) and endless tow or yarn (10) converge with staple fibre yarn (9) through the second jaw district (III) is different, also different to the looping angle of described staple fibre yarn (9), finally form the enveloped composite yarn (11) that batch (-type) gradual change and sudden change overfeeding converts.
6. a kind of composite spinning technique as claimed in claim 5, is characterized in that: described overfeed ratio refers to the ratio of described nip roiler to the linear resonance surface velocity of the linear velocity of (3) and described front upper roller (5), and its 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: described upper twizzle (4) can before and after, 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 claimed in claim 5, is characterized in that: described endless tow or described yarn (10) add around 1-2 and enclose to increase gripping effect and tension stability on twizzle (4) on described.
9. an application for composite spinning technique as claimed in claim 5, is characterized in that: for the composite spinning to the batch (-type) gradual change and sudden change overfeeding conversion looping of staple fibre yarn on ring throstle.
10. an application for single surface groove batch (-type) overfeeding composite spinning device claimed in claim 1, is characterized in that: for the composite spinning to the batch (-type) gradual change and sudden change overfeeding conversion looping of staple fibre yarn on ring throstle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN1853008A (en) * | 2003-09-15 | 2006-10-25 | 纳幕尔杜邦公司 | Composite twist core-spun yarn and method and device for its production |
| CN102296389A (en) * | 2011-08-23 | 2011-12-28 | 东华大学 | Composite spinning device and spinning method for covering rigid fiber filaments with chemical fiber filaments |
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| CN102586970A (en) * | 2012-02-11 | 2012-07-18 | 东华大学 | Intermittent composite spinning device with intermittent plating of roller and application thereof |
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| JPS60110930A (en) * | 1983-11-18 | 1985-06-17 | Mitsubishi Rayon Co Ltd | Preparation of specific fancy yarn |
| 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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| CN1853008A (en) * | 2003-09-15 | 2006-10-25 | 纳幕尔杜邦公司 | Composite twist core-spun yarn and method and device for its production |
| CN102296389A (en) * | 2011-08-23 | 2011-12-28 | 东华大学 | Composite spinning device and spinning method for covering rigid fiber filaments with chemical fiber filaments |
| CN102560767A (en) * | 2012-02-11 | 2012-07-11 | 东华大学 | Intermittently yarn feeding device capable of triggering rollers directly in intermittent composite spinning and method and application thereof |
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