CN109898204B - Production device and production method of composite functional yarn - Google Patents

Production device and production method of composite functional yarn Download PDF

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Publication number
CN109898204B
CN109898204B CN201910155222.3A CN201910155222A CN109898204B CN 109898204 B CN109898204 B CN 109898204B CN 201910155222 A CN201910155222 A CN 201910155222A CN 109898204 B CN109898204 B CN 109898204B
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roller
filament
rubber
drafting
rubber roller
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CN109898204A (en
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刘新金
谢春萍
徐伯俊
苏旭中
宋娟
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NANTONG DOUBLE GREAT TEXTILE Co.,Ltd.
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Nantong Double Great Textile Co ltd
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Abstract

The invention provides a composite functional yarn production device and a production method, wherein a rear gluing roller, an upper gluing roller and a front gluing roller without a groove are provided with fine grooves along the circumferential direction, the rear part of the rear roller is additionally provided with a three-horn mouth device comprising a left horn mouth, a middle horn mouth and a right horn mouth, the middle horn mouth is aligned with the groove of the rear gluing roller, two short fiber rough yarns are respectively fed through the left horn mouth and the right horn mouth and are subjected to drafting action in a drafting system, a filament or filament bundle is fed through the middle horn mouth without being subjected to the drafting action, when the double short fiber rough yarns and the filament or filament bundle are pressed by the front lower roller and the front gluing roller, if the double short fiber rough yarns and the filament or filament bundle are converged and then pressed, double short fiber strands output by the drafting system wrap the filament or filament bundle under the action of twisting twist to obtain core-spun yarns, and if the double short fiber rough yarns and the filament or filament bundle are pressed at a certain interval, the output double short fiber strands are firstly weak and weak, And then wrapping the yarn with the filament or filament bundle to obtain the wrapped yarn.

Description

Production device and production method of composite functional yarn
Technical Field
The invention relates to the field of new ring spinning technology, in particular to a composite functional yarn production device and a production method.
Background
In recent years, new structure yarns with various functionalities, which are compounded by adopting filaments and short fibers, are more and more widely concerned, and are continuously improved and improved in the development process, so that products are developed towards the direction of raw material diversification, structural compound type and functional diversification, and the achievements benefit from the adoption of new raw materials, new processes, new equipment and new control methods, and bring vigorous vigor to the variety development of the new structure yarns. The core spun yarn is generally spun by using synthetic fiber filaments with good strength and elasticity as core filaments and wrapping short fibers such as cotton, wool, viscose and the like. The core-spun yarn has the excellent performances of both filament core yarn and short fiber covering. A common core-spun yarn is a spandex core-spun yarn, which uses spandex filament as core yarn and is wrapped by other yarns made of fibers. The knitted fabric or jean fabric made of the core-spun yarn can be stretched freely and is comfortable and fit when being worn. However, the currently commonly used filament and staple fiber composite yarn mainly comprises a covering yarn, a wrapping yarn and the like, filaments are generally fed from a front roller clamp in the spinning process, the tension of the fed filaments is often difficult to control due to the feeding structure, and the wrapping effect of the filaments is difficult to control due to asynchronous feeding of the filaments and the wrapped staple fibers.
Disclosure of Invention
The invention aims to provide a controllable composite functional yarn production device and a controllable composite functional yarn production method for realizing the core-wrapping and the wrapping of a long filament or a long filament bundle by short fibers, thereby enriching spinning varieties.
In order to achieve the aim, the invention relates to a composite functional yarn production device which is composed of a plurality of spindle groups with the same structure, wherein each spindle group is composed of two adjacent spindle positions, each spindle position comprises a drafting system and a feeding system, each drafting system comprises a rear drafting roller pair, a middle drafting roller pair and a front drafting roller pair, each rear drafting roller pair comprises a rear lower roller and a rear upper gluing roller, each middle drafting roller pair comprises a middle lower roller and a middle upper gluing roller, each front drafting roller pair comprises a front lower roller and a front upper gluing roller, the rear lower roller, the middle lower roller and the front lower roller are in the same structure, each rear lower roller, the middle lower roller and the front lower roller comprise a roller shaft, each roller shaft is in a solid cylindrical structure, and the roller shafts of the rear lower rollers of all the spindle positions on the front platform surface of a spinning frame are fixedly connected with each other in an integrated mode, The roller shafts of the middle and lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the front and lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the rear and lower rollers of all spindle positions of the rear vehicle table surface of a spinning frame are integrally and fixedly connected, the roller shafts of the middle and lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the front and lower rollers of all spindle positions are integrally and fixedly connected, the outer circumferences of the roller shafts of the rear and lower rollers, the middle and lower rollers and the front and lower rollers of each spindle position are fixedly and tightly sleeved with roller sleeves, the roller sleeves and the roller shafts are made of the same material and are made of iron or steel, the roller sleeves and the roller shafts are integrally and fixedly connected, the rear upper rubber roller, the middle and upper rubber roller and the front upper rubber roller comprise rubber roller shafts, the rubber roller shafts are made of the iron material, the rubber roller shafts are of a solid cylindrical structure, one spindle position of the front vehicle table surface of the spinning frame and an adjacent spindle position on the left side, a spindle position and a right adjacent spindle position on a rear vehicle platform surface of a spinning frame form a spindle position group, rubber roller shafts of rear gluing rollers on two spindle positions of the spindle position group are integrally connected, rubber roller shafts of middle and upper rubber rollers on the two spindle positions of the spindle position group are integrally connected, rubber roller shafts of front gluing rollers on the two spindle positions of the spindle position group are integrally connected, a rubber roller sleeve is tightly sleeved on the outer circumference of the rubber roller shafts of the rear gluing roller, the middle and upper rubber rollers and the front gluing roller of each spindle position, the rubber roller sleeve is made of rubber, is connected with the rubber roller shafts through bearings, can freely rotate around the rubber roller shafts, a certain distance is kept between the rubber roller sleeves on the two spindle positions of the spindle position group, and the rubber roller shafts between the rubber roller sleeves of the rear gluing roller, the middle and upper rubber roller and the front gluing roller of the two spindle positions of the spindle position group are sequentially embedded into a grabbing component from the rear to the front, The middle embedded claw and the front embedded claw are arranged in the spinning frame, so that the rear gluing roller, the middle gluing roller and the front gluing roller are installed on the pressurizing assembly, the rear part of the pressurizing assembly is fixed on the table board of the spinning frame through a fixing shaft, the pressurizing assembly can rotate along the fixing shaft, the rear gluing roller, the middle gluing roller and the front gluing roller are pressed down under certain pressure in the rotating process, a fine rear groove is formed in the circumferential direction of the middle part of the rubber roller sleeve of the rear gluing roller in each spindle position in the length direction, a fine middle groove is formed in the circumferential direction of the middle part of the rubber roller sleeve of the middle gluing roller in each spindle position in the length direction, a connecting line between the rear groove and the middle groove is kept vertical, a feeding system is arranged at the rear part of the rear drafting roller pair and comprises a feeding horn mouth connected by a connecting rod, and a left horn mouth, a left horn mouth and a right horn mouth are fixed on the connecting, The left horn mouth and the right horn mouth are positioned at the left side and the right side of the middle horn mouth and are symmetrically arranged, and a connecting line of the middle horn mouth and a rear groove of the rear glue applying roller is kept vertical.
When the device is used, the pressurizing assembly rotates along the fixed shaft under the action of force, so that the pressurizing assembly is pressed downwards, the roller sleeve of the rear lower roller and the rubber roller sleeve of the rear upper rubber roller are in tight pressing contact with each other, the roller sleeve of the middle lower roller and the rubber roller sleeve of the middle upper rubber roller are in tight pressing contact with each other, the roller sleeve of the front lower roller and the rubber roller sleeve of the front upper rubber roller are in tight pressing contact with each other, the roller shaft of the rear lower roller and the roller shaft of the middle lower roller are in transmission connection through the first gear set, the roller shaft of the middle lower roller and the roller shaft of the front lower roller are in transmission connection through the second gear set, the roller shaft of the front lower roller is driven to rotate by the motor, the roller shaft of the front lower roller rotates to drive the roller shaft of the middle lower roller to rotate through the second gear set, and the gear ratio of the rotation speed of the roller shaft of the front lower roller to the roller shaft of the middle lower roller is equal to the gear ratio of the gear set of the middle drafting pair and the front drafting pair and the gear set The ratio of the rotating speed of the roller shaft of the middle and lower rollers to the roller shaft of the rear and lower rollers is equal to the gear ratio of the first gear set and is equal to the drafting multiple of the rear drafting zone between the rear drafting roller pair and the middle drafting roller pair, the rotation of the roller shaft of the front and lower rollers and the roller shaft of the rear and lower rollers respectively drives the roller sleeve of the rear and lower rollers, the roller sleeve of the middle and lower rollers and the roller sleeve of the front and lower rollers to synchronously rotate, and drives the rubber roller sleeve of the rear and upper rubber roller, the rubber roller sleeve of the middle and upper rubber roller, and the rubber roller sleeve of the front and lower rubber roller which are tightly pressed and contacted with the roller sleeve of the rear and upper rubber roller, the rubber roller sleeve of the middle and upper rubber roller to synchronously rotate, the first roving short fiber is fed from a left horn mouth, the second roving short fiber is fed from a right horn mouth, the long fiber or the long fiber bundle is fed from a middle horn mouth, the first short fiber roving is fed by pressing between a rear upper rubber roller and a rear lower roller which are positioned on the left side of a rear groove, then is output by pressing between a middle upper rubber roller and a middle lower roller which are positioned on the left side of the middle groove, a first short fiber strand is obtained under the drafting action of a rear drafting zone, the first short fiber strand is continuously output forwards under the driving of the rotation of the middle lower roller, then the first short fiber strand is output by pressing between a front upper rubber roller and a front lower roller, the second short fiber roving is fed by pressing between the rear upper rubber roller and the rear lower roller which are positioned on the right side of the rear groove, then is output by pressing between the middle upper rubber roller and the middle lower roller which are positioned on the right side of the middle groove, a second short fiber strand is obtained under the drafting action of the rear drafting zone, the second short fiber strand is continuously output forwards under the driving of the rotation of the middle lower roller, and then the second short fiber strand is output by pressing between the front upper, the filament or filament bundle is fed in the air between the back groove of the back upper rubber roller and the back lower roller, the back upper rubber roller rotates continuously to generate rolling friction between the back groove of the back upper rubber roller and the filament or filament bundle, so as to generate a friction force boundary field for the fed filament or filament bundle, so as to generate active back tension control action for the fed filament or filament bundle, and the controlled back tension is directly determined by the rotating speed of the back roller, so as to realize the coordination and consistency of the back tension control for the filament or filament bundle and the fed first roving and second roving, the filament or filament bundle is output in the air between the middle groove of the middle upper rubber roller and the middle lower roller, and the rolling friction action is generated between the middle groove of the middle upper rubber roller and the filament or filament bundle due to the continuous rotation of the middle upper rubber roller, so as to generate a friction force boundary field for the fed filament or filament bundle, the first state is that the first fiber strand, the second fiber strand and the filament or filament bundle are converged by a bundling horn mouth and then are uniformly pressed between the front upper rubber roll and the front lower roller, the first fiber strand, the second fiber strand and the filament or filament bundle are converged by the bundling horn mouth and then are uniformly pressed between the front upper rubber roll and the front lower roller, at the moment, the first fiber strand and the second fiber strand are converged and are subjected to the drafting action of a front drafting area together to obtain a third fiber strand, and the rear part of the filament or filament bundle is in a suspended state, the third fiber strip and the filament or the filament bundle are continuously driven by the rotation of the front roller to be output, the output third fiber strip generates an axial rotation action under the action of twisting twist, so that the fibers in the third fiber strip generate an internal and external transfer action, an outer covering yarn with certain strength is obtained, the fibers in the third fiber strip wrap the filament or the filament bundle in the internal and external transfer process, and the outer covering yarn with short fibers outside and the core-covering yarn with the filament or the filament bundle at the center are obtained; the second state is that the first strand, the second strand and the filament or filament bundle are pressed between the front upper rubber roller and the front lower roller after a certain distance is kept between the first strand, the second strand and the filament or filament bundle, the first strand is pressed between the front upper rubber roller and the front lower roller, the first strand is drafted by the front drafting zone to obtain the fourth strand, the second strand is pressed between the front upper rubber roller and the front lower roller, the second strand is drafted by the front drafting zone to obtain the fifth strand, the filament or filament bundle is pressed between the front upper rubber roller and the front lower roller, the pressing point of the filament or filament bundle between the front upper rubber roller and the front lower roller is positioned between the pressing point of the first strand between the front upper rubber roller and the front lower roller and the pressing point of the second strand between the front upper rubber roller and the front lower roller, and the filament or filament bundle is not drafted by the drafting system because the rear part of the filament or filament bundle is in a suspended state, at the moment, the fourth strands, the fifth strands, the filaments or the filament bundles are continuously driven by the rotation of the front roller to be output, the output fourth strands and the fifth strands are axially rotated under the action of the first twisting twist transmitted from bottom to top firstly, so that a first sub-yarn and a second sub-yarn with certain strength are respectively obtained, the effect of the first twisting twist is weaker due to the weakening effect of the transmission efficiency of the twisting twist from bottom to top, then the first sub-yarn and the second sub-yarn are under the effect of the second twisting twist, on one hand, the fibers in the first sub-yarn and the second sub-yarn continuously axially rotate, so that the strength of the first sub-yarn and the second sub-yarn is further improved, on the other hand, the first sub-yarn and the second sub-yarn continuously wrap the filaments or the filament bundles, so that the first sub-yarn and the second sub-yarn which are short fibers outside wrap the filaments or the filament bundles in the center, and the twisting action of the second twisting twist is greater than the twisting action of the first twisting twist.
The invention realizes the synchronous feeding of filament or filament bundle and short fiber roving from the rear part of the rear roller in the production of composite yarns by slotting in the circumferential direction of the rear gluing roller and the middle gluing roller, and realizes the control of the core-covering and the wrapping of the filament or filament bundle by the short fiber roving through the converging or interval control before the short fiber roving and the filament or filament bundle are pressed between the front lower roller and the front gluing roller, thereby enriching the spinning varieties.
Drawings
FIG. 1 is a schematic structural view of a composite functional yarn production device of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the composite functional yarn production device comprises a drafting system, wherein the drafting system comprises a rear drafting roller pair, a middle drafting roller pair and a front drafting roller pair, the rear drafting roller pair comprises a rear lower roller 1 and a rear upper rubber roller 2, the middle drafting roller pair comprises a middle lower roller 3 and a middle upper rubber roller 4, the front drafting roller pair comprises a front lower roller 5 and a front upper rubber roller 6, the rear lower roller, the middle lower roller and the front lower roller have the same structure, the rear lower roller, the middle lower roller and the front lower roller comprise roller shafts 9, the roller shafts are of solid cylindrical structures, the roller shafts of the rear lower rollers of all spindle positions of a front vehicle table top of a spinning machine are integrally and fixedly connected, the roller shafts of the middle lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the front lower rollers of all spindle positions are integrally and fixedly connected, the roller shafts of the rear lower rollers of all spindle positions of a rear vehicle table top of a spinning machine are integrally and fixedly connected, The roller shafts of the middle and lower rollers of all the spindle positions are integrally and fixedly connected, the roller shafts of the front and lower rollers of all the spindle positions are integrally and fixedly connected, the roller sleeves 10 are fixedly sleeved on the outer circumferences of the roller shafts of the rear and lower rollers, the middle and lower rollers and the front and lower rollers of each spindle position, the roller sleeves and the roller shafts are made of the same material and are all iron or steel, and the roller sleeves and the roller shafts are integrally and fixedly connected; the rear gluing roller, the middle gluing roller and the front gluing roller comprise a gluing roller shaft 7 which is made of iron and is of a solid cylindrical structure, a spindle group is formed by a spindle position on a front lathe table surface of a spinning frame and a spindle position adjacent to the left side, a spindle group is formed by a spindle position on a rear lathe table surface of a spinning frame and a spindle position adjacent to the right side, the gluing roller shafts of the rear gluing rollers on the two spindle positions of the spindle group are integrally connected, the gluing roller shafts of the middle gluing rollers on the two spindle positions of the spindle group are integrally connected, the gluing roller shafts of the front gluing rollers on the two spindle positions of the spindle group are integrally connected, a gluing roller sleeve 8 is sleeved on the outer circumference of the gluing roller shafts of the rear gluing roller, the middle gluing roller and the front gluing roller of each spindle position, the gluing roller sleeve is made of rubber, is connected with the gluing roller shaft through a bearing and can freely rotate around the gluing roller shaft, and a certain distance is kept between the rubber roller sleeves on the two spindle positions of one spindle position group, the rubber roller shafts between the rubber roller sleeves of the two spindle positions of one spindle position group are sequentially embedded in the rear embedded grab, the middle embedded grab and the front embedded grab of the pressurizing assembly from back to front, so that the rear upper rubber roller, the middle upper rubber roller and the front upper rubber roller are installed on the pressurizing assembly, the rear part of the pressurizing assembly is fixed on the platform surface of a spinning frame through a fixed shaft, the pressurizing assembly can rotate along the fixed shaft, so that the rear upper rubber roller, the middle upper rubber roller and the front upper rubber roller are pressed down under certain pressure in the rotating process, a fine rear groove 11 is formed in the circumferential direction of the middle part of the rubber roller sleeve of the rear upper rubber roller of each spindle position in the length direction, a fine middle groove 12 is formed in the circumferential direction of the middle part of the rubber roller sleeve of the middle upper rubber roller in each spindle position in the length direction, and the line between back recess and the well recess keeps vertical, is provided with feeding horn mouth 13 at the rear portion of back draft roller pair, and feeding horn mouth includes the connecting rod, and left horn mouth 14, well horn mouth 15, right horn mouth 16 are fixed additional from left to right on the connecting rod, and left horn mouth, right horn mouth are located the left and right sides of well horn mouth and are the symmetrical arrangement, and the line of well horn mouth and the back recess of back rubberizing roller keeps vertical.
When the device is used, the pressurizing assembly rotates along the fixed shaft under the action of force, so that the pressurizing assembly is pressed downwards, the roller sleeve of the rear lower roller 1 and the rubber roller sleeve of the rear upper rubber roller 2 are in tight pressing contact without a rear groove, the roller sleeve of the middle lower roller 3 and the rubber roller sleeve of the middle upper rubber roller 4 are in tight pressing contact without a middle groove, the roller sleeve of the front lower roller 5 and the rubber roller sleeve of the front upper rubber roller 6 are in tight pressing contact, the roller shaft of the rear lower roller and the roller shaft of the middle lower roller are in transmission connection through a first gear set, the roller shaft of the middle lower roller and the roller shaft of the front lower roller are in transmission connection through a second gear set, the roller shaft of the front lower roller is driven to rotate by a motor, the roller shaft of the front lower roller rotates to drive the roller shaft of the middle lower roller to rotate through a second gear set, and the gear ratio of the rotation speed of the roller shaft of the front lower roller to the roller shaft of the middle lower roller is equal to that the gear set of the middle drafting roller and the gear set The roller shaft of the front lower roller, the roller shaft of the middle lower roller and the roller shaft of the rear lower roller rotate to drive the roller shaft of the rear lower roller to rotate through a first gear set, the gear ratio of the rotation speed of the roller shaft of the middle lower roller to the roller shaft of the rear lower roller is equal to the gear ratio of the first gear set and the draft multiple of the rear draft zone between the rear draft roller pair and the middle draft roller pair, the roller shaft of the front lower roller, the roller shaft of the middle lower roller and the roller shaft of the rear lower roller respectively drive the roller sleeve of the rear lower roller, the roller sleeve of the middle lower roller and the roller sleeve of the front lower roller to synchronously rotate and drive the rubber roller sleeve of the rear upper rubber roller, the rubber roller sleeve of the middle upper rubber roller and the rubber roller sleeve of the front upper rubber roller to synchronously rotate, and the first short fiber is fed into the left horn mouth 14, the second short fiber is fed into the right horn mouth 16, A filament or a filament bundle is fed from a middle bell mouth 15, a first short fiber roving is pressed and fed between a rear upper rubber roller and a rear lower roller which are positioned at the left side of a rear groove 11, then the first short fiber roving is pressed and output between a middle upper rubber roller and a middle lower roller which are positioned at the left side of a middle groove 12, a first short fiber strand is obtained under the drawing action of a rear drawing zone, the first short fiber strand is continuously output forwards under the driving of the rotation of the middle lower roller, then the first short fiber strand is pressed and output between the front upper rubber roller and the front lower roller, a second short fiber roving is pressed and fed between the rear upper rubber roller and the rear lower roller which are positioned at the right side of the rear groove 11, then the second short fiber strand is pressed and output between the middle upper rubber roller and the middle lower roller which are positioned at the right side of the middle groove 12, the second short fiber strand is obtained under the drawing action of the rear drawing zone, the second short fiber strand is continuously output forwards under the driving of the rotation of the middle, filament or filament bundle is fed in a hanging way between a rear groove 11 of a rear gluing roller and a rear lower roller, the rear gluing roller continuously rotates, so that rolling friction is generated between the rear groove of the rear gluing roller and the filament or filament bundle, a friction force boundary field is generated on the fed filament or filament bundle, active rear tension control action is generated on the fed filament or filament bundle, the controlled rear tension is directly determined by the rotating speed of the rear roller, the rear tension control on the filament or filament bundle is coordinated and consistent with the fed first roving and second roving, the filament or filament bundle is output in a hanging way between a middle groove 12 of a middle gluing roller and the middle lower roller, and rolling friction action is generated between the middle groove of the middle gluing roller and the filament or filament bundle due to continuous rotation of the middle gluing roller, so that the friction force boundary field is generated on the fed filament or filament bundle, thereby generating active middle tension control action on the fed filament or filament bundle, and the middle tension control is directly determined by the rotation speed of the middle roller, thereby realizing the coordination and consistency of the middle tension control on the filament or filament bundle and the fed first strand and second strand, the filament or filament bundle is finally pressed and output between the front upper rubber roller and the front lower roller, before the first strand, the second strand, the filament or filament bundle is pressed between the front upper rubber roller and the front lower roller, the first strand, the second strand, the filament or filament bundle comprises two feeding states, the first strand, the second strand and the filament or filament bundle are uniformly pressed between the front upper rubber roller 6 and the front lower roller 5 after being converged by a bunching horn mouth, at this time, the first strand and the second strand are jointly subjected to the drafting action of the front drafting zone to obtain a third strand, and the rear part of the filament or filament bundle is in a suspension state, the third fiber strip and the filament or the filament bundle are continuously driven by the rotation of the front roller to be output, the output third fiber strip generates an axial rotation action under the action of twisting twist, so that the fibers in the third fiber strip generate an internal and external transfer action, an outer covering yarn with certain strength is obtained, the fibers in the third fiber strip wrap the filament or the filament bundle in the internal and external transfer process, and the outer covering yarn with short fibers outside and the core-covering yarn with the filament or the filament bundle at the center are obtained; the second state is that the first strand, the second strand and the filament or filament bundle are pressed between the front upper rubber roller 6 and the front lower roller 5 after keeping a certain distance, at the moment, the first strand is pressed between the front upper rubber roller and the front lower roller, the first strand is drawn by the front drafting zone to obtain the fourth strand, the second strand is pressed between the front upper rubber roller 6 and the front lower roller 5, the second strand is drawn by the front drafting zone to obtain the fifth strand, the filament or filament bundle is pressed between the front upper rubber roller 6 and the front lower roller 5, the pressing point of the filament or filament bundle between the front upper rubber roller and the front lower roller is positioned between the pressing point of the first strand between the front upper rubber roller and the front lower roller and the pressing point of the second strand between the front upper rubber roller 6 and the front lower roller 5, and the rear part of the filament or filament bundle is in a suspension state, so that the filament or filament bundle is not drawn by the drafting system, at the moment, the fourth strands, the fifth strands, the filaments or the filament bundles are continuously driven by the rotation of the front roller to be output, the output fourth strands and the fifth strands are axially rotated under the action of the first twisting twist transmitted from bottom to top firstly, so that a first sub-yarn and a second sub-yarn with certain strength are respectively obtained, the effect of the first twisting twist is weaker due to the weakening effect of the transmission efficiency of the twisting twist from bottom to top, then the first sub-yarn and the second sub-yarn are under the effect of the second twisting twist, on one hand, the fibers in the first sub-yarn and the second sub-yarn continuously axially rotate, so that the strength of the first sub-yarn and the second sub-yarn is further improved, on the other hand, the first sub-yarn and the second sub-yarn continuously wrap the filaments or the filament bundles, so that the first sub-yarn and the second sub-yarn which are short fibers outside wrap the filaments or the filament bundles in the center, and the twisting action of the second twisting twist is greater than the twisting action of the first twisting twist.

Claims (6)

1. A production method of composite functional yarn is characterized in that: the production method comprises the following steps of producing composite functional yarn by adopting a composite functional yarn production device, wherein the composite functional yarn production device comprises a rear drafting roller pair consisting of a rear lower roller and a rear upper sizing roller, a middle drafting roller pair consisting of a middle lower roller and a middle upper sizing roller, a drafting system consisting of a front lower roller and a front upper sizing roller, and a feeding system; the front drafting roller pair is driven by a motor to rotate, the middle drafting roller pair is driven to rotate by being in tooth joint with the front drafting roller pair, the rear drafting roller pair is driven to rotate by being in tooth joint with the middle drafting roller pair, and a rear drafting area is formed between the rear drafting roller pair and the middle drafting roller pair, and a front drafting area is formed between the middle drafting roller pair and the front drafting roller pair; a fine rear groove is formed in the circumferential direction of the middle part of the rear traction roller pair in the length direction on the rear upper sizing roller of each spindle position, a fine middle groove is formed in the circumferential direction of the middle part of the middle roller traction centering on the upper sizing roller in the length direction of each spindle position, the connecting line between the rear groove and the middle groove is kept vertical, a feeding system is arranged at the rear part of the rear traction roller pair and comprises feeding horn mouths connected by a connecting rod, a left horn mouth, a middle horn mouth and a right horn mouth are fixedly arranged on the connecting rod from left to right and are symmetrically arranged on the left side and the right side of the middle horn mouth, and the connecting line between the middle horn mouth and the rear groove of the rear upper sizing roller is kept vertical;
the production method of the composite functional yarn comprises the following steps: feeding a first short fiber roving from a left bell mouth, feeding a second short fiber roving from a right bell mouth, feeding a filament or a filament bundle from a middle bell mouth, feeding the first short fiber roving by pressing between a rear upper rubber roller and a rear lower roller which are positioned on the left side of a rear groove, then pressing and outputting the first short fiber roving by pressing between a middle upper rubber roller and a middle lower roller which are positioned on the left side of the middle groove, obtaining a first short fiber strand by the drawing action of a rear drawing area, continuously outputting the first short fiber strand forwards under the driving of the rotation of the middle lower roller, then pressing and outputting the first short fiber strand between a front upper rubber roller and a front lower roller, feeding the second short fiber roving by pressing between the rear upper rubber roller and the rear lower roller which are positioned on the right side of the rear groove, then pressing and outputting the second short fiber strand forwards under the driving of the rotation of the middle lower roller, then the second short fiber strand is pressed and output between the front upper rubber roller and the front lower roller, the filament or filament bundle is suspended and fed between the rear groove of the rear upper rubber roller and the rear lower roller, the rear upper rubber roller continuously rotates, so that rolling friction action is generated between the rear groove of the rear upper rubber roller and the filament or filament bundle, a friction force boundary field is generated on the fed filament or filament bundle, active rear tension control action is generated on the fed filament or filament bundle, the controlled rear tension is directly determined by the rotating speed of the rear roller, the rear tension control on the filament or filament bundle is coordinated with the fed first roving and second roving, the filament or filament bundle is suspended and output between the middle groove of the middle upper rubber roller and the middle lower roller, and rolling friction action is generated between the middle groove of the middle upper rubber roller and the filament or filament bundle due to the continuous rotation of the middle upper rubber roller, the friction force boundary field is generated for the fed filament or filament bundle, so that the fed filament or filament bundle is actively controlled by the intermediate tension, the intermediate tension is directly determined by the rotating speed of the intermediate roller, the intermediate tension of the filament or filament bundle is controlled to be consistent with the fed first fiber strips and the fed second fiber strips, and the filament or filament bundle is finally pressed and output between the front upper rubber roller and the front lower roller; during feeding, the first fiber strands, the second fiber strands and the filaments or filament bundles are converged through a bundling bell mouth and then uniformly pressed between a front upper rubber roll and a front lower roller, at the moment, the first fiber strands and the second fiber strands are converged and then are subjected to the drafting action of a front drafting zone together to obtain third fiber strands, the filaments or filament bundles are not subjected to the drafting action of a drafting system due to the suspended state of the rear parts of the filaments or filament bundles, at the moment, the third fiber strands and the filaments or filament bundles are output under the continuous driving of the rotation of the front roller, the output third fiber strands generate an axial rotating action under the action of twisting twist, so that the fibers in the third fiber strands generate an internal and external transfer action, an outer covering yarn with certain strength is obtained, the filaments or filament bundles are covered in the internal and external transfer process, and the outer covering yarn with short fibers is obtained, The core yarn is a core spun yarn with filament or filament bundle at the center.
2. The method for producing a composite functional yarn according to claim 1, comprising the steps of: feeding a first short fiber roving from a left bell mouth, feeding a second short fiber roving from a right bell mouth, feeding a filament or a filament bundle from a middle bell mouth, feeding the first short fiber roving by pressing between a rear upper rubber roller and a rear lower roller which are positioned on the left side of a rear groove, then pressing and outputting the first short fiber roving by pressing between a middle upper rubber roller and a middle lower roller which are positioned on the left side of the middle groove, obtaining a first short fiber strand by the drawing action of a rear drawing area, continuously outputting the first short fiber strand forwards under the driving of the rotation of the middle lower roller, then pressing and outputting the first short fiber strand between a front upper rubber roller and a front lower roller, feeding the second short fiber roving by pressing between the rear upper rubber roller and the rear lower roller which are positioned on the right side of the rear groove, then pressing and outputting the second short fiber strand forwards under the driving of the rotation of the middle lower roller, then the second short fiber strand is pressed and output between the front upper rubber roller and the front lower roller, the filament or filament bundle is suspended and fed between the rear groove of the rear upper rubber roller and the rear lower roller, the rear upper rubber roller continuously rotates, so that rolling friction action is generated between the rear groove of the rear upper rubber roller and the filament or filament bundle, a friction force boundary field is generated on the fed filament or filament bundle, active rear tension control action is generated on the fed filament or filament bundle, the controlled rear tension is directly determined by the rotating speed of the rear roller, the rear tension control on the filament or filament bundle is coordinated with the fed first roving and second roving, the filament or filament bundle is suspended and output between the middle groove of the middle upper rubber roller and the middle lower roller, and rolling friction action is generated between the middle groove of the middle upper rubber roller and the filament or filament bundle due to the continuous rotation of the middle upper rubber roller, the friction force boundary field is generated for the fed filament or filament bundle, so that the fed filament or filament bundle is actively controlled by the intermediate tension, the intermediate tension is directly determined by the rotating speed of the intermediate roller, the intermediate tension of the filament or filament bundle is controlled to be consistent with the fed first fiber strips and the fed second fiber strips, and the filament or filament bundle is finally pressed and output between the front upper rubber roller and the front lower roller; during feeding, the first fiber strands, the second fiber strands and the filaments or filament bundles are kept at a certain distance and then pressed between the front upper rubber roller and the front lower roller, at the moment, the first fiber strands are pressed between the front upper rubber roller and the front lower roller, the first fiber strands are subjected to the drafting action of the front drafting zone to obtain fourth fiber strands, the second fiber strands are pressed between the front upper rubber roller and the front lower roller, the second fiber strands are subjected to the drafting action of the front drafting zone to obtain fifth fiber strands, the filaments or filament bundles are pressed between the front upper rubber roller and the front lower roller, the pressing point of the filaments or filament bundles between the front upper rubber roller and the front lower roller is positioned between the pressing point of the first fiber strands between the front upper rubber roller and the front lower roller and the pressing point of the second fiber strands between the front upper pressing point and the front lower roller, and the rear parts of the filaments or filament bundles are in a suspended state, so that the filaments or filament bundles are not subjected to the drafting action of the drafting system, at the moment, the fourth strands, the fifth strands, the filaments or the filament bundles are continuously driven by the rotation of the front roller to be output, the output fourth strands and the fifth strands are axially rotated under the action of the first twisting twist transmitted from bottom to top firstly, so that a first sub-yarn and a second sub-yarn with certain strength are respectively obtained, the effect of the first twisting twist is weaker due to the weakening effect of the transmission efficiency of the twisting twist from bottom to top, then the first sub-yarn and the second sub-yarn are under the effect of the second twisting twist, on one hand, the fibers in the first sub-yarn and the second sub-yarn continuously axially rotate, so that the strength of the first sub-yarn and the second sub-yarn is further improved, on the other hand, the first sub-yarn and the second sub-yarn continuously wrap the filaments or the filament bundles, so that the first sub-yarn and the second sub-yarn which are short fibers outside wrap the filaments or the filament bundles in the center, and the twisting action of the second twisting twist is greater than the twisting action of the first twisting twist.
3. A method for producing a composite functional yarn according to claim 1 or 2, characterized in that: the structure of the rear lower roller, the structure of the middle lower roller and the structure of the front lower roller are the same, the rear lower roller, the structure of the middle lower roller and the structure of the front lower roller comprise a roller shaft, the roller shaft is of a solid cylindrical structure, a roller sleeve is fixedly sleeved on the outer circumference of the roller shaft, the roller sleeve and the roller shaft are made of the same material and are made of iron or steel, and the roller sleeve and the roller shaft are integrally and fixedly connected.
4. A method for producing a composite functional yarn according to claim 1 or 2, characterized in that: the rear gluing roller, the middle gluing roller and the front gluing roller respectively comprise a rubber roller shaft, the rubber roller shaft is of a solid cylindrical structure made of iron materials, a rubber roller sleeve is tightly sleeved on the outer circumference of the rubber roller shaft and integrally connected with the rubber roller shaft, the rubber roller sleeve is made of rubber materials and is connected with the rubber roller shaft through a bearing, the rubber roller sleeve can freely rotate around the rubber roller shaft, two adjacent spindle positions form a spindle position group, the rubber roller shaft is integrally connected with the adjacent rubber roller shaft in the spindle position group, a certain distance is kept between the rubber roller sleeves on the two spindle positions of one spindle position group, the rubber roller shafts between the rubber roller sleeves of the rear gluing roller, the middle gluing roller and the front gluing roller of the two spindle positions of one spindle position group are sequentially embedded in the rear embedding claw, the middle embedding claw and the front embedding claw of the pressurizing assembly from back to front, and accordingly the rear gluing roller, the middle gluing roller and the front gluing roller are installed on the pressurizing assembly, the rear part of the pressurizing assembly is fixed on a trolley table surface of a spinning frame through a fixed shaft, and the pressurizing assembly can rotate along the fixed shaft, so that the rear gluing roller, the middle gluing roller and the front gluing roller can be pressed down under certain pressure in the rotating process, a fine rear groove is formed in the circumferential direction of the middle part of the rubber roller sleeve of the rear gluing roller of each spindle position in the length direction, a fine middle groove is formed in the circumferential direction of the middle part of the rubber roller sleeve of the middle gluing roller of each spindle position in the length direction, and a connecting line between the rear groove and the middle groove is kept vertical.
5. The method for producing a composite functional yarn according to claim 4, wherein: the pressurizing assembly rotates along the fixed shaft under the action of force, so that the pressurizing assembly is pressed downwards, when the pressurizing assembly is pressed downwards, the roller cover of the rear lower roller and the rubber roller cover of the rear upper rubber roller are in tight pressing contact without a rear groove, the roller cover of the middle lower roller and the rubber roller cover of the middle upper rubber roller are in tight pressing contact without a middle groove, and the roller cover of the front lower roller and the rubber roller cover of the front upper rubber roller are in tight pressing contact.
6. A method of producing a composite functional yarn according to claim 3, characterized in that: the roller shaft of the rear lower roller is in transmission connection with the roller shaft of the middle lower roller through a first gear set, the roller shaft of the middle lower roller is in transmission connection with the roller shaft of the front lower roller through a second gear set, the roller shaft of the front lower roller is driven by a motor to rotate, the roller shaft of the front lower roller rotates and then drives the roller shaft of the middle lower roller to rotate through the second gear set, the gear ratio of the rotation speed of the roller shaft of the front lower roller to the roller shaft of the middle lower roller is equal to the draft multiple of a front draft area between the middle draft roller pair and the front draft roller pair, the roller shaft of the middle lower roller rotates and then drives the roller shaft of the rear lower roller to rotate through the first gear set, and the gear ratio of the rotation speed of the roller shaft of the middle lower roller to the roller shaft of the rear lower roller is equal to the draft multiple of the rear draft area between the rear draft roller pair and the middle draft pair, the rotation of the roller shaft of the front lower roller, the roller shaft of the middle lower roller and the roller shaft of the rear lower roller respectively drives the roller sleeve of the rear lower roller, the roller sleeve of the middle lower roller and the roller sleeve of the front lower roller to synchronously rotate, and drives the rubber roller sleeve of the rear upper rubber roller, the rubber roller sleeve of the middle upper rubber roller and the rubber roller sleeve of the front upper rubber roller which are tightly pressed and contacted with the roller sleeves to synchronously rotate.
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DE3049573A1 (en) * 1980-12-31 1982-07-29 Maag Fritjof DEVICE FOR PRODUCING YARN BOBBINS
CN201136922Y (en) * 2007-09-24 2008-10-22 苏州新二纺机电有限公司 Three-roller drafting assembly
CN102358970B (en) * 2011-08-23 2014-02-12 武汉纺织大学 Three-axis compound spinning process for symmetrically protecting carbon fibers and application thereof
CN103290574B (en) * 2013-06-13 2015-11-18 山东南山纺织服饰有限公司 A kind of integrated spinning method spun in conjunction with compact spinning, SEILE textile and Seluofle
CN103498230A (en) * 2013-10-22 2014-01-08 重庆三峡技术纺织有限公司 Production technology of siro compact spinning covering yarn
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