CN102747488A - Twin-roll differential type two-stage splitting yarn unfolding device, spinning method and application of twin-roll differential type two-stage splitting yarn unfolding device - Google Patents

Abstract

The invention relates to a double-roller differential two-stage split yarn spreader, a spinning method and its application. The yarn spreader is composed of a positioning guide hook, two symmetrical splitting rollers and their clutches, a differential mechanism for changing the speed of the two splitting rollers, and a fixing device for installing the components of the yarn spreadinger on the ring spinning frame. frame composition. The method is to position the filament through the guide hook on the splitting center line of the primary splitting roller, and wrap the warp to complete the primary splitting and spreading, and then wrap the warp symmetrically around the splitting rollers to complete the splitting and spreading. Due to the speed difference between the two splitting rollers, the splitting and spreading can be realized effectively and controllably under the rotation of the herringbone thread. The yarn spreader can be applied to the spinning of ultra-short, easy-to-dust, easy-to-fly fibers and short, weak recycled fibers for protective, soft and smooth, high-count composite yarns.

Description

Two-roller differential two-stage split yarn spreader, spinning method and its application

technical field

The object of the present invention is to provide a double-roller differential type two-level split yarn spreader, the spinning method and its application using the device, which belong to the filament bundle splitting and unfolding protective compound spinning in the field of ring spinning. yarn technology field.

Background technique

With the rapid development of the textile industry, the application of filaments is becoming more and more extensive, especially in the utilization of short fibers. In the textile processing process, short and weak fibers such as noil and noil increase; the fibers obtained from recycled textiles also have a certain gap in length and strength compared with the original fibers; these short and weak fibers The fiber cannot be spun or the spun yarn has low strength and more hairiness. As a result, this type of short and weak fibers cannot be fully utilized. However, the composite yarn of filaments covering staple fibers can make up for this deficiency and improve the utilization rate of staple fibers.

At present, the staple fiber/filament composite yarn production devices are partially modified on the basis of the traditional ring spinning mechanism. Such as Wang Wenge and Li Baocang's utility model patent (patent application number: CN200320121270.5), a partial mouth collector is set on the spinning support, the yarn sliver enters the front top roller through the passage of the partial mouth collector from the apron inlay, and the filament passes through the The front end of the collector merges with the sliver at the front top roller, so that the sliver and filament form a stable twisting triangle.

A device for spinning core-spun yarn invented by Tianjin University of Technology (Patent No.: 200710061243) includes a three-roller drafting mechanism or a four-roller drafting mechanism, and is characterized in that a leading roller is installed in front of the front roller of the drafting mechanism , a leading rubber roller with a circumferential groove is installed on the leading roller, the leading roller and the leading rubber roller form the leading nip, and are installed on the same level of the drafting nip of the drafting mechanism, and the leading nip The distance between the mouth and the drafting nip can be adjusted; a whisker positioning device is installed between the leading roller and the front roller. The positioning device has two grooves arranged in parallel and is installed on the fixed rod. The fixed rod is installed on the roller seat, and the positioning device should be installed so that the bottom surface of the groove is on the same level as the drafting jaw and the leading jaw, and one of the two grooves is in the same direction as the circumferential groove in the output direction of the strands. Correspondingly, the installation position can be adjusted at the same time. Tang Yuyuan and He Jianxin’s achievements (one-step cotton-type ring spinning staple fiber sheath-core structure composite yarn) obtained special structure and Appearance of Sirofil yarn. Sirofil yarn is a composite yarn formed by complex twisting in the twisting triangle area. The difference in the relative bending stiffness and torsional stiffness of the spun yarn and the filament yarn results in a difference in the position distribution of the two in the yarn structure. The strands are wrapped in the middle, and both the strands and the surface of the filaments have the same twist. Solospun spinning is a worsted wool technology based on ring spinning. This technology is to install a pair of special grooved rollers on the traditional ring spinning machine, so that the fiber strands output from the front rollers can be split into There are several small bundles, so that the twisting mechanism of spinning changes, but what the special groove splits is short fiber bundles instead of filament yarns.

Most of the technical solutions proposed in the above-mentioned patents cannot effectively protect short or ultra-short, weak or fragile short fibers.

Contents of the invention

The purpose of the present invention is to provide a method that can effectively split the filament bundle to obtain a quasi-single-layer wire mesh, and then solve the problem of short, weak, difficult to spin, or even traditional spinning on a general-purpose ring spinning machine. It is a low-consumption, high-efficiency, high-count, anti-flying, shedding and fluffing device for protective spinning of non-spinnable fibers. Another technical solution of the present invention is to provide a spinning method using the above device. Another technical solution of the present invention is to provide an application of the above device.

In order to achieve the above object, a technical solution of the present invention is to provide a two-roller differential two-stage split yarn spreader, which is characterized in that: it includes a yarn guide hook for centering and positioning the filament bundle. Below the yarn guide hook, there are primary splitting rollers and double splitting rollers that realize synchronous clutching through the synchronous clutch. The splitting roller is connected with the differential mechanism, and the differential mechanism adjusts the rotation speed ratio of the primary splitting roller and the double splitting roller to realize the differential. The differential mechanism is set on the fixed frame, and the fixed frame is set on the ring spinning frame.

Preferably, the yarn guide hook is an ordinary single-loop yarn guide hook for upper-cover type spreading or a lower guide yarn hook with a lower bar for bottom-supported yarn spreading, and the lower guide yarn hook includes And the spiral ring shape upper yarn guide hook and the spiral ring shape lower yarn guide hook at the lower end, between the spiral ring shape upper yarn guide hook and the spiral ring shape lower yarn guide hook is a curved lower guide.

Preferably, the structure of the primary splitting roller is the same as that of the double splitting roller, including a cylindrical roller body engraved with herringbone grooves on the surface, and the diameter of the roller body of the double splitting roller is not greater than that of the primary splitting roller, The bifurcation apex of each herringbone groove is the splitting point, and the line connecting the splitting points is the center line. The splitting shaft and the double splitting shaft of the fixed frame are respectively positioned by a positioning ring, wherein the roller body of the double splitting shaft is close to the front roller of the ring spinning frame to obtain driving force.

Preferably, the ratio of the roll body diameter of the double splitting roll to the roll body diameter of the primary splitting roll is 0.5-1.

Preferably, the synchronous clutch includes a clutch lever, one end of the first lever and the second lever is connected with the clutch lever, the other end is provided with a first pin and a second pin respectively, and the first lever and the second lever The middle part is respectively provided with a first fulcrum pin and a second fulcrum pin, and the first pin and the second pin are respectively arranged in the chute of the first clutch tooth and the second clutch tooth, and the first clutch tooth and the second clutch tooth are respectively connected with the Cooperate with the clutch head of the first splitting roller and the double splitting roller.

Preferably, the differential mechanism includes a driven gear that drives the primary splitting roller and a main gear that is driven by the double splitting roller, the driven gear and the main gear are respectively connected to the first clutch gear. Fixed connection and the second clutch teeth fixed connection, the sum of the diameters of the shifted wheel and the main shift wheel is constant, a pair of positioning pins are arranged between the shifted wheel and the main shifting wheel, and the positioning pins are located on the left and right movable The end of the moving rod, the moving rod is connected with the fixed frame, the transmission belt passes through a pair of positioning pins and the two ends are respectively sleeved on the shifted wheel and the main shifting wheel, and the driving belt is moved left and right by the left and right movement of the moving rod , so as to adjust the rotational speed ratio of the transmission wheel and the main transmission wheel to achieve the differential.

Preferably, the fixing frame includes a first-expanded yarn shaft and a second-expanded yarn shaft, and the first-split roller and the second-split roller are respectively sleeved on the first-expanded yarn shaft and the second-expanded yarn shaft, and the first-expanded yarn shaft And the re-expansion yarn shaft is connected with the double-shaft frame, and a pressing block that can move up and down is sleeved on the part of the double-shaft frame between the initial-expansion yarn shaft and the re-expansion yarn shaft and locked by tightening the screw. The moving rod It is fixedly connected with the pressing block, and the horizontally movable and centered positioning frame is fixedly connected with the biaxial frame, and the biaxial frame is mounted on the main support, and the main support is arranged on the ring spinning frame.

Another technical solution of the present invention is to provide a spinning method using the above-mentioned two-roller differential type two-stage split yarn spreader, characterized in that the steps are:

The filament bundle is centered on the splitting center line of the primary splitting roller through the positioning of the single-circle yarn guide hook or the lower guide yarn hook, and winds around the primary splitting roller. Since the linear speed of the primary splitting roller is greater than that of the double splitting roller Line speed, therefore, under the spreading effect of the rotation of the herringbone groove of the primary splitting roller, the effective and controllable primary splitting and spreading of the yarn is achieved to form flattened filaments, and then the flattened filaments are symmetrical to the double splitting rollers The center line is fed and wound around the compound splitting roller. Under the action of the herringbone groove rotation and expansion of the compound splitting roller, the compound splitting and spreading yarn is carried out to form a single fiber filament layer, that is, the screen, and the screen is output to the The front roller of the ring spinning machine completes the spinning.

Preferably, the filament bundle is one of man-made fiber filaments, synthetic fiber filaments or natural silk.

Another technical solution of the present invention is to provide an application of the above-mentioned two-roller differential type two-stage split yarn spreader, which is characterized in that: it is used for ultra-short, easy-to-dust, easy-to-fly fibers and short, partial Spinning of protective, soft and smooth, high-count composite yarns of weakly recycled fibers.

The principle and method of the present invention is to design a device to separate the filament bundle into a single filament layer, i.e. a wire mesh, so that short or ultra-short, weak or weak Protect. The patent reports about the splitting of filament bundles into single filaments, such as Ma Qiang's patented continuous fiber bundle dispersion device (publication number CN1811025A), are mainly composed of an air separator and a carding device, and a hollow cylinder is arranged in the air separator. There is a splitting chamber at the upper port, and the bottom of the splitting chamber is a splitting plate with a number of ventilation holes. The carding device is equipped with a carding groove, which relies on the air pressure to complete the splitting process. It is similar to the mechanism, principle and method of the patent of the present invention. The above are all different; Yu Mingwei’s patent decomposes the tow into parallel monofilament rewinding/unwinding equipment and method (public number: CN1884026A) is composed of a reed divider and a tension control device, the tension is controlled by the tension control device, and the tension is controlled by the split yarn The separation of the reed decomposes the tow into parallel monofilaments, which is different from the patent of the present invention in mechanism, principle and method. Joseph Lee Lifke's patent method and device for separating fiber bundles (METHOD ANDAPPARATUS FOR SPEREADING FIBER BUNDLES) (patent number: US6049956) is composed of several dispersion drums, and the fiber bundles are dispersed by changing the angle of the discs at both ends of the dispersion drum Like the present invention, the fiber bundle is dispersed by the action of mechanical force, but it is different from the present invention in terms of mechanism and method, and the method has many mechanical parts and requires high mechanical coordination.

The above-mentioned related methods, one of them, are spinning for the purpose of changing the yarn style and fancy or high branching of fibers with excellent spinnability. Second, it is different from the principle, mechanism and method of the upper-cover type split-spread composite yarn of the present invention, while the protection-type composite spinning is more suitable for high counts of short and weak fibers. chemical and even ultra-high branched spinning.

The characteristics and beneficial effects of the present invention are: ①Only adding a set of two-stage splitting spreader on the ordinary spinning frame solves the problem of short and weak, poor spinnability, or high yield and low hairiness of non-spinnable fibers. The spinning problem of a large amount of bright and clean composite yarn, the method is simple, the mechanism is practical, the installation is convenient, and it is controllable and adjustable; The stability of the yarn structure is achieved; ③The form of the yarn guide hook can be easily replaced, and the protection type of the upper cover, the lower support, or both of the upper cover and the lower support of the non-spinnable fiber and recycled fiber strands can be realized. Spinning, and achieve the effect of continuous, reinforced, low flying, anti-lint and fuzzing; ④Using homogeneous filaments with the same composition as short fibers for composite spinning is a breakthrough in the production mode and processing technology of recycling; ⑤The resulting smooth composite yarn can be woven into fabrics with clear texture, stable structure, high breaking strength and tear strength, anti-pilling, wear-resistant, good gloss, beautiful and comfortable, and fine high-grade fabrics.

Description of drawings

Figure 1 is a schematic diagram of a double-stick differential type two-stage split yarn spreader;

Fig. 2 is a schematic diagram of the lower guiding yarn hook;

Fig. 3 is a side view of the upper cover type yarn guide of the double-stick differential type two-stage split yarn spreading;

Fig. 4 is a side view of the double-stick differential type two-stage split yarn spreading under the support type yarn guide.

In the figure: 1- yarn guide hook, which includes; 2- primary splitting roller; 3- double splitting stick; 4- synchronous clutch; 5- differential mechanism; 6- fixed frame; Front roller; 11-single-circle yarn guide hook; 12-bottom guide yarn hook; 12a-spiral-shaped upper yarn guide hook; 12b-spiral-circle-shaped lower yarn guide hook; 12c-down bar; Groove, 31-second herringbone groove; 22-first center line, 32-second center line; 23-first clutch head, 33-second clutch head; 24-first positioning ring, 34-second positioning Circle; 41-clutch lever; 42a-first fulcrum pin, 42b-second fulcrum pin; 43a-first lever, 43b-second lever; 44a-first pin, 44b-second pin; 45a-first clutch Teeth, 45b-second clutch teeth; 51-transmission belt; 52-passed transmission wheel; 53-main transmission wheel; 54-moving rod; 55-locating pin; 61-first split shaft; -pressing block; 64-tightening screw; 65-biaxial frame; 66-positioning frame; 67-main support; 7a-flattening filament; 7b-screen; 81-front top roller;

Detailed ways

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Each of the following embodiments adopts a double-roller differential type two-stage splitting spreader of the present invention. As shown in Figure 1, the device includes a yarn guide for centering and positioning the filament bundle 7 The hook 1 is provided with the primary splitting roller 2 and the double splitting roller 3 that realize the synchronous clutch through the synchronous clutch 4 under the yarn guide hook 1, and the filament bundle 7 is formed by the primary splitting roller 2 and the compound splitting roller 3. Symmetrical yarn spreading, the primary splitting roller 2 and the double splitting roller 3 are connected with the differential mechanism 5, and the differential mechanism 5 adjusts the rotation speed ratio of the primary splitting roller 2 and the double splitting roller 3 to realize the differential, the differential mechanism 5 is arranged on the fixed frame 6, and the fixed frame 6 is arranged on the ring spinning frame.

The yarn guide hook 1 is an ordinary single-turn yarn guide hook 11 for upper cover type yarn spreading or as shown in FIG. 2 , a lower guide yarn hook 12 with a lower bar for bottom support type yarn spreading. The lower guide yarn hook 12 includes a spiral ring-shaped upper yarn guide hook 12a and a spiral ring-shaped lower yarn guide hook 12b respectively located at the upper end and the lower end. It is the downward sliding bar 12c of bending.

The structure of the primary splitting roller 2 is the same as that of the double splitting roller 3 . The primary splitting roller 2 includes a cylindrical first roller body engraved with a first herringbone groove 21 on the surface, a first center line 22 formed on the first roller body, a first clutch head 23 and a first positioning ring 24 . The splitting roller 3 includes a cylindrical second roller body engraved with a second herringbone groove 31 on the surface, a first centerline 32 formed on the second roller body, a second clutch head 33 and a second positioning ring 34 . The ratio of the diameters of the second roll body to the first roll body is 0.5-1. The following is the first splitting roller 2 as an example to illustrate its structure.

The bifurcation apex of each first herringbone groove 21 on the surface of the first roller body is a split point, and the connection line of the split point is the first center line 22, and the first clutch head 23 is fixedly connected with the first roller body, The first splitting roller 2 and the double splitting roller 3 are respectively sleeved on the first splitting shaft 61 of the fixed mount 6 and the second splitting shaft 62 of the fixed mount 6, and are respectively positioned by the first positioning ring 24 and the second positioning ring 34. Wherein, the second roller body is close to the front roller 8 of the ring spinning frame to obtain driving force.

Synchronous clutch 4 comprises clutch lever 41, and one end of first lever 43a and second lever 43b links to each other with clutch lever 41, is respectively provided with first pin 44a and second pin 44b on its other end, between the first lever 43a and the second lever 43a. The middle part of the two levers 43b is respectively provided with a first fulcrum pin 42a and a second fulcrum pin 42b, and the first pin 44a and the second pin 44b are respectively arranged in the chute of the first clutch tooth 45a and the second clutch tooth 45b. The clutch teeth 45 a and the second clutch teeth 45 b cooperate with the first clutch head 23 and the second clutch head 33 respectively.

The differential mechanism 5 includes a driven gear 52 driven by the primary splitting roller 2 and a main speed gear 53 driven by the double splitting roller 3, the driven gear 52 and the main gear 53 are respectively connected to the The first clutch tooth 45a is affixed and the second clutch tooth 45b is affixed, and the sum of the diameters of the changed gear 52 and the main gear 53 is a constant, and a pair of positioning gears is provided between the gear 52 and the main gear 53. Pin 55, positioning pin 55 is located at the end of the moving rod 54 that can move left and right, and moving rod 54 is connected with described fixed frame 6, and transmission belt 51 passes between a pair of positioning pins 55 and its two ends are respectively enclosed within the gear shifted. On the wheel 52 and the main transmission wheel 53, the transmission belt 51 is moved left and right by the left and right movement of the moving rod 54, so as to adjust the speed ratio of the transmission wheel 52 and the main transmission wheel 53 to achieve a differential.

The fixed frame 6 includes a pre-expansion yarn shaft 61 and a re-expansion yarn shaft 62, and the initial splitting roller 2 and the re-expansion yarn shaft 3 are respectively sleeved on the initial-expansion yarn shaft 61 and the re-expansion yarn shaft 62, The pre-expansion yarn shaft 61 and the re-expansion yarn shaft 62 are connected to the biaxial frame 65, and a pressure block 63 that can move up and down is sleeved on the part of the biaxial frame 65 between the initial expansion yarn shaft 61 and the re-expansion yarn shaft 62 And by tightening the screw 64 to lock, the moving rod 54 is fixedly connected with the briquetting block 63, and the positioning frame 66 that can move horizontally is fixedly connected with the biaxial frame 65, and the biaxial frame 65 is arranged on the main support 67, and the main support 67 is set on the ring spinning frame.

Adopt the step of the spinning method of above-mentioned device to be:

Take a filament tube, center the filament bundle 7 on it on the first center line 22 of the primary splitting roller 2 through the positioning of the single-circle yarn guide hook 11 or the lower guide yarn hook 12, and wind it around the primary splitting roller 2. Since its linear velocity is greater than the velocity difference formed by the linear velocity of the double splitting roller 3, under the action of the rotation of the first herringbone groove 21, an effective and controllable initial splitting and spreading of the yarn to form a spread is realized. Flat filament 7a. Then, the flattened filament 7a is fed symmetrically to the second center line 32 of the splitting roller 3, and is wound around the splitting roller 3, and under the action of the rotation and expansion of the second herringbone groove 31, splitting and spreading are performed. , forming a monofilament filament layer, that is, a silk screen 7b, and the silk screen 7b is sent between the front top roller 81 and the front bottom roller 82, and the front top roller 81 and the front bottom roller 82 are the front roller 8 of the ring spinning machine.

After described long filament bundle 7 is split into silk net 7b, form silk net 7b in the lower floor in the twisting triangular area, the two-layer fiber structure of short fiber strands in the upper layer, under the action of rotation, silk net 7b is close to The staple fiber strands are held under the staple fiber strands for compound spinning, so as to achieve the effects of continuity, coverage, smoothness and anti-lint.

The following specific examples 1-3 are to different fibers and their linear densities, i.e. selecting different filaments, different roving slivers and different composite ratios and different composite spinning process parameters, i.e. the tension of the filaments, the secondary fraction Spinning stick speed, spindle speed, front roller speed, spinning twist. Carry out the spinning according to the smooth and clean composite spinning mechanism and method of the double-stick differential type two-stage split yarn spreader of the present invention, and spin into high-count clean and clean composite yarns.

Record the yarn breakage rate per 1,000 spindles per hour during spinning (pieces/1,000 spindles). According to the quality of the roving sliver and filament used for spinning and the quality of the final yarn, the spinning yield is calculated. The evenness (CV%) of the yarn was measured with a USTER instrument. The hairiness of the composite yarn is measured by the single-side hairiness counting method, and the hairiness index (F) of the obtained smooth composite yarn refers to the cumulative number of hairiness (roots/m) that protrudes from one side of the yarn per unit length and exceeds a certain length F=A+Be ^-Cl , l is the set extension length (mm) of hairiness, and A, B, C are test constants. Use a strength meter to measure the breaking strength (cN/tex) of the yarn; elongation at break ε=(LL ₀ )/L ₀ =ΔL/L ₀ where, L ₀ is the original length, and L is the test time at tensile fracture. ΔL is the absolute elongation value. The specific implementation and actual data are as follows and see the table below.

Embodiment 1: Spinning recycled cotton/Tencel filament composite yarn

Adopt the double-roller differential type two-stage split yarn spreading device of the present invention to spread the Tencel filament (cellulose fiber) by pressing the supporting type splitting spreading method to obtain the lower supporting wire mesh, as shown in Figure 2 and Figure 4 shows. Then twist and wrap the recycled cotton fiber strands at the nip of the front roller to form a smooth composite yarn. The specific process parameters are shown in the table below. The spun Tencel filaments are split and covered with recycled noil short fiber strands for clean and clean composite yarn. listed in the table below. Among them, the spinning rate is very high, which means that there is very little loss of fiber such as flying flowers, shavings, and broken ends; Low, indicating good spinnability and high processing efficiency in yarn forming. During the spinning process, there is no obvious fiber loss and fly, and the ring and plate are clean, which proves the effectiveness of this clamping and protecting composite spinning.

Embodiment 2: Spinning soil seed wool/polyester filament composite yarn

Using the double-stick differential type two-stage split yarn spreader of the present invention, the polyester filament bundle is spread according to the upper cover type split yarn spreading method to obtain the upper cover screen, as shown in Figure 3. Then at the nip of the front roller, it is twisted and wrapped with the soil wool fiber strands to form a smooth composite yarn. The specific process parameters are shown in the table below. The spun polyester filaments are split and coated with short fibers of soil seed hair and smooth composite yarn. The hairiness index, twist angle, breaking strength, elongation at break and yarn fineness unevenness of the yarn are as follows listed in the table. Among them, the spinning rate is very high, which means that there is very little loss of fiber such as flying flowers, shavings, and broken ends; Low, indicating good spinnability and high processing efficiency in yarn forming. During the spinning process, there is no obvious fiber loss and fly, and the ring and plate are clean, which proves the effectiveness of this clamping and protecting composite spinning.

Embodiment 3: Reuse cashmere/silk/silk composite yarn

Using the double-stick differential type two-stage split yarn spreading device of the present invention, the silk is spread through the upper cover and lower support combined type according to the above split yarn spreading method, and a bundle of silk passes through the single-circle yarn guide hook 11 , that is, the upper cover path; and another bundle of silk passes through the lower guide yarn hook 12, that is, the lower support path, and then enters the respective primary splitting roller 2 and double splitting roller 3 to spread the yarn into a silk web, as shown in Figure 3 and Figure 4 shows. Then twist and combine with recycled cashmere fiber strands at the nip of the front roller to form a smooth composite yarn. The specific process parameters are shown in the table below. The spun silk is split and coated with cashmere short fiber strands and the smooth composite yarn. The hairiness index, twist angle, breaking strength, elongation at break and unevenness of sliver fineness of the yarn are shown in the table below. List. Among them, the spinning rate is very high, which means that there is very little loss of fiber such as flying flowers, shavings, and broken ends; Low, indicating good spinnability and high processing efficiency in yarn forming. During the spinning process, there is no obvious fiber loss and fly, and the ring and plate are clean, which proves the effectiveness of this clamping and protecting composite spinning.

Process parameters and yarn quality index of double-roller differential two-stage split yarn composite spinning

Note: Examples 1 (cotton type) and 3 (wool type) belong to the spinning of ultra-short and weak fibers, and conventional spinning is extremely difficult or impossible.

Claims (10)

1. two roller differential type secondary compartitions are opened up the yarn device; It is characterized in that: comprise the twizzle (1) that is used for endless tow (7) is carried out the centering location; Be provided with first compartition roller (2) and the multiple compartition roller (3) of realizing synchronous interface through timing clutch (4) in the below of twizzle (1); By first compartition roller (2) and multiple compartition roller (3) endless tow (7) work symmetry is opened up yarn, first compartition roller (2) links to each other with differential attachment (5) with multiple compartition roller (3), is regulated the rotating ratio of first compartition roller (2) and multiple compartition roller (3) rotation by differential attachment (5) and realizes differential; Differential attachment (5) is located on the fixed mount (6), and fixed mount (6) is located on the ring throstle.

2. a kind of pair of roller differential type secondary compartition exhibition yarn device as claimed in claim 1; It is characterized in that: said twizzle (1) is common individual pen twizzle (11) that is used for loam cake formula exhibition yarn or the following twizzle (12) that draws that is used for the band drop shot of lower supporting type exhibition yarn; This time drawn twizzle (12) and comprised and lay respectively on the upper end and the spiral cast of lower end twizzle (12b) under the twizzle (12a) and spiral cast, is the crooked drop shot (12c) that descends to draw under twizzle on the spiral cast (12a) and the spiral cast between the twizzle (12b).

3. a kind of pair of roller differential type secondary compartition exhibition yarn device as claimed in claim 1; It is characterized in that: said compartition roller (2) just is identical with the structure of multiple compartition roller (3); Comprise that the surface is carved with the cylindrical roll body of herringbone groove, the roll body diameter of multiple compartition roller (3) is not more than the roll body diameter of compartition roller (2) just, and the bifurcated summit of every herringbone groove is the compartition point; The line of compartition point is a center line; Clutch head and roll body are affixed, after the multiple compartition axle (62) that first compartition roller (2) and multiple compartition roller (3) are enclosed within first compartition axle (61) and the said fixed mount (6) of said fixed mount (6) is respectively gone up respectively through a location delineation, wherein; The roll body of multiple compartition axle (62) is close to the front roller (8) of said ring throstle, obtains driving force.

4. a kind of pair of roller differential type secondary compartition exhibition yarn device as claimed in claim 3 is characterized in that: the roll body diameter of said multiple compartition roller (3) and the said roll body diameter ratio of compartition roller (2) just are 0.5～1.

5. a kind of pair of roller differential type secondary compartition exhibition yarn device as claimed in claim 3; It is characterized in that: said timing clutch (4) comprises trip(ping) lever (41); One end of first lever (43a) and second lever (43b) links to each other with trip(ping) lever (41); On its other end, be respectively equipped with first pin (44a) and second pin (44b); Be respectively equipped with first fulcrum pin (42a) and second fulcrum pin (42b) at the middle part of first lever (43a) and second lever (43b); First pin (44a) and second pin (44b) are located at respectively in the chute of the first clutch tooth (45a) and the second clutch tooth (45b), and the first clutch tooth (45a) and the second clutch tooth (45b) match with the clutch head of said compartition roller (2) just and said multiple compartition roller (3) respectively.

6. a kind of pair of roller differential type secondary compartition exhibition yarn device as claimed in claim 5; It is characterized in that: said differential attachment (5) comprise drive said compartition roller (2) just by change pulley (52) and by said multiple compartition roller (3) drive main change pulley (53); Affixed with the affixed and said second clutch tooth (45b) of the said first clutch tooth (45a) respectively by change pulley (52) and main change pulley (53); Diameter sum by change pulley (52) and main change pulley (53) is a constant; Between by change pulley (52) and main change pulley (53), be provided with a pair of alignment pin (55), alignment pin (55) but be located at the end of the carriage release lever (54) of move left and right, carriage release lever (54) links to each other with said fixed mount (6); Driving belt (51) is enclosed within respectively by on change pulley (52) and the main change pulley (53) from passing its two ends between a pair of alignment pin (55); Move left and right through carriage release lever (54) makes driving belt (51) move left and right, regulates by the rotating ratio of change pulley (52) with main change pulley (53) with this, reaches differential.

7. a kind of pair of roller differential type secondary compartition exhibition yarn device as claimed in claim 6; It is characterized in that: said fixed mount (6) comprises just to be opened up yarn axle (61) and opens up yarn axle (62) again; Said compartition roller (2) just and said multiple compartition roller (3) are socketed in first exhibition yarn axle (61) respectively and open up again on the yarn axle (62); Just open up yarn axle (61) and open up yarn axle (62) again and link to each other with twin shaft frame (65); Be positioned at just exhibition yarn axle (61) and open up again at twin shaft frame (65) and be socketed with briquetting moving up and down (63) on the part between the yarn axle (62) and through tighten the screws (64) locking, said carriage release lever (54) is affixed with briquetting (63), the locating rack (66) that can move horizontally centering is affixed with twin shaft frame (65); Twin shaft frame (65) is located on the main support (67), and main support (67) is located on the said ring throstle.

8. as claimed in claim 1 pair of roller differential type secondary compartition of an employing opened up the spinning method of yarn device, it is characterized in that step is:

Endless tow (7) through individual pen twizzle (11) or the location of drawing down twizzle (12) be centered in the compartition center line of compartition roller (2) just, and the first compartition roller (2) of pile warp and since just the linear velocity of compartition roller (2) greater than the linear velocity of multiple compartition roller (3); Therefore, under the expansion effect that just the herringbone groove of compartition roller (2) rotates, realization effectively, controllably the yarn of compartition exhibition just forms and flattens long filament (7a); Then; Flattening long filament (7a) is symmetrical in the center line feeding of multiple compartition roller (3), and the multiple compartition roller (3) of pile warp, under the herringbone groove rotation expansion effect of multiple compartition roller (3); Carry out multiple compartition exhibition yarn; Form the filament filament layer, i.e. silk screen (7b), silk screen (7b) outputs to the front roller (8) of ring throstle and accomplishes spinning.

9. spinning method as claimed in claim 8 is characterized in that: a kind of in artificial fiber filament, synthetic fiber filament or the natural silk of said endless tow (7).

10. the application of one kind as claimed in claim 1 pair roller differential type secondary compartition exhibition yarn device is characterized in that: be used for ultrashort, be prone to bits, be prone to flyings fiber and short partially, the protection of reclaimed fibre on the weak side, soft bright and clean, high spinning of propping up composite yarn.

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