CN110042521B - Production method of multi-component fiber intelligent mixed blended yarn - Google Patents
Production method of multi-component fiber intelligent mixed blended yarn Download PDFInfo
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- CN110042521B CN110042521B CN201910401453.8A CN201910401453A CN110042521B CN 110042521 B CN110042521 B CN 110042521B CN 201910401453 A CN201910401453 A CN 201910401453A CN 110042521 B CN110042521 B CN 110042521B
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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Abstract
The invention discloses a production method of multi-component fiber intelligent mixed blended yarn, which comprises the steps of firstly carrying out cotton grabbing, twice cotton opening, uniform cotton feeding and opening, carding and carding on various raw fiber raw materials to obtain selected and matched primary processing fiber raw materials, then carrying out intelligent selection, weighing and mixing on the primary processing fiber raw materials, carrying out cotton mixing, cotton opening, cotton mixing, uniform cotton feeding, opening and carding to obtain mixed cotton carding strips, and thus realizing the intelligent mixing of multi-component fibers in the production of the blended yarn.
Description
Technical Field
The invention belongs to the technical field of spinning, and relates to a spinning method of novel yarns, in particular to a production method of multi-component fiber intelligent mixed blended yarns.
Background
With the development of social economy, the living standard of people is continuously improved, and for textiles for clothes, in addition to the pursuit of wearing comfort, the fashionability and functionality of the textiles for clothes are also paid more and more attention, and the pursuit of unique style and various functions such as antibacterial and antistatic functions are pursued. To meet this demand of consumers, new yarns and fabrics are continuously being developed as an important task in the textile industry. With the development of science and technology, the textile market competition is more and more intense, and each manufacturer continuously develops towards high-grade, good technical content and high added value in order to pursue the maximization of profit. The blended yarn needs to be mixed by various fibers with different properties in the production process, so that the determination of the properties of the fibers needing to be blended and the corresponding blending method according to the properties of the spun yarn are important points and difficulties.
In the method, various raw fiber materials are firstly subjected to cotton grabbing, twice cotton opening, uniform cotton feeding, opening, carding and carding to prepare selected and matched primary processing fiber raw materials, then the prepared primary processing fiber raw materials are subjected to weighing and mixing after intelligent selection, then are subjected to cotton mixing, cotton opening, cotton mixing, uniform cotton feeding and strip opening carding to prepare mixed cotton carding strips, and then the mixed cotton carding strips are subjected to two-pass drawing, roving and spinning procedures in sequence to prepare the finally required blended yarns, so that the intelligent mixing of the multi-component fibers in the blended yarn production is realized.
Disclosure of Invention
The technical problem to be solved is as follows: in order to overcome the defects of the prior art, the method provided by the invention comprises the steps of firstly carrying out cotton grabbing, twice cotton opening, uniform cotton feeding and opening and carding on various raw fiber raw materials to obtain selected and matched primary processing fiber raw materials, then carrying out intelligent selection, weighing and mixing on the primary processing fiber raw materials, and carrying out cotton mixing, cotton opening, cotton mixing, uniform cotton feeding and opening sliver carding on the primary processing fiber raw materials to obtain mixed carding slivers, thereby realizing the intelligent mixing of the multi-component fibers in the production of the blended yarns.
The technical scheme is as follows: the method for producing the multi-component fiber intelligent mixed blended yarn comprises the steps of firstly, carrying out cotton grabbing, twice cotton opening, uniform cotton feeding and opening, carding and carding on various raw fiber materials to obtain selected and matched primary processed fiber raw materials, then carrying out intelligent selection, weighing and mixing on the prepared primary processed fiber raw materials, then carrying out cotton mixing, cotton opening, cotton mixing, uniform cotton feeding and sliver opening and carding on the obtained primary processed fiber raw materials to obtain mixed carded sliver, and then carrying out two-pass drawing, roving and spinning processes on the mixed carded sliver in sequence to obtain the finally required blended yarn, and specifically comprises the following steps:
the first step is as follows: primary processing of raw fiber raw material: the selected and matched primary processing fiber raw materials are prepared by sequentially carrying out cotton grabbing, two-time cotton opening, uniform cotton feeding, opening, carding and carding on all kinds of original fiber raw materials;
wherein the cotton grabbing machine adopts a reciprocating straight-line rotary cotton grabbing machine, the cotton grabbing machine comprises a cotton grabbing arm, the cotton grabbing arm comprises a middle vertical arm, a left cross arm and a right cross arm, the left cross arm and the right cross arm are respectively and fixedly connected with the left end and the right end of the middle vertical arm, the bottom end of the middle vertical arm is positioned on a cotton grabbing arm moving slideway and is driven by a motor to move along the cotton grabbing arm moving slideway, the cotton grabbing arm moving slideway comprises a middle transverse slideway, the front end of the middle transverse slideway is provided with a front circular slideway, the rear end of the middle transverse slideway is provided with a rear circular slideway, the front circular slideway and the rear circular slideway are respectively and mutually connected with the front end and the rear end of the middle transverse slideway, the bottom end of the middle vertical arm is of a circular structure, a circular track is arranged on the outer circumference of the bottom end of the middle vertical arm, a middle transverse track is arranged in the circular track at the bottom end of, when the bottom end of the middle vertical arm of the plucker is positioned in the middle transverse slideway, the middle transverse track is driven by the first motor to extend, so that the middle transverse track is positioned in the middle transverse slideway at the moment to realize the connection of the middle vertical arm of the plucker and the cotton grabbing arm moving slideway, the middle vertical arm is driven by the second motor to reciprocate back and forth along the middle transverse slideway at the moment, when the bottom end of the middle vertical arm of the plucker is positioned in the front circular slideway or the rear circular slideway, the middle transverse track is driven by the first motor to shorten, so that the circular track is positioned in the front circular slideway or the rear circular slideway at the moment to realize the connection of the middle vertical arm of the plucker and the cotton grabbing arm moving slideway, the middle vertical arm is driven by the second motor to rotate along the front circular slideway or the rear circular slideway at the moment, and cotton grabbing trolleys are respectively arranged at the bottom end of the left cross arm and the bottom end of the right cross, the cotton grabbing trolley comprises a cotton grabbing beater which is of a cylindrical structure, cotton grabbing blades are arranged on the outer circumference of the cotton grabbing beater, ribs are arranged on the lower portion of the cotton grabbing blades, the cotton grabbing blades rotate along the cotton grabbing beater on one hand, and lift along the vertical direction on the other hand, cotton bale discharge rails are arranged on the lower portions of the cotton grabbing trolleys of the left cross arm and the right cross arm, the cotton bale discharge rails comprise a left transverse cotton bale discharge rail and a right transverse cotton bale discharge rail, the front ends of the left transverse cotton bale discharge rail and the right transverse cotton bale discharge rail are connected through a front arc cotton bale discharge rail, the rear ends of the left transverse cotton bale discharge rail and the right transverse cotton bale discharge rail are connected through a rear arc cotton bale discharge rail, when the cotton fiber raw material bales are sequentially discharged on the cotton bale discharge rail, the cotton grabbing blades in the cotton grabbing beater stretch out the ribs and are contacted with raw material bales, then the cotton grabbing blade rotates along the cotton grabbing beater to grab the original fibers, and simultaneously the primary opening function of the original fibers is realized in the grabbing process, when the bottom end of the middle vertical arm of the cotton grabbing machine is positioned on the middle transverse slide way, the middle vertical arm is driven by the second motor to reciprocate back and forth along the middle transverse slide way, so that the grabbing of the original fibers in the original fiber package placed on the left transverse cotton package discharge track and the right transverse cotton package discharge track is realized by the cotton grabbing beater of the left cross arm and the right cross arm, when the bottom end of the middle vertical arm of the cotton grabbing machine is positioned on the front circular slide way or the rear circular slide way, the middle vertical arm is driven by the second motor to rotate along the front circular slide way or the rear circular slide way, so that the grabbing of the left cross arm and the right cross arm can grab the original fibers in the original fiber package placed on the front arc cotton package discharge track or the rear arc cotton package discharge track in the rotating process, the rotation of the positions of the left cross arm and the right cross arm is realized through rotation, so that the working efficiency of the cotton grabbing machine is greatly improved, and meanwhile, the more uniform mixing effect in the cotton grabbing process is realized by increasing the discharge of the raw fiber raw material bag;
for the two-time cotton opening process, an axial flow cotton opener is adopted in the first cotton opening process to realize free opening of the grabbed raw fiber materials, a roller is arranged in the axial flow cotton opener, V-shaped angle nails are uniformly distributed on the outer circumference of the roller, a dust bar and a spiral guide plate are arranged outside the outer circumference of the roller, the grabbed raw fiber materials enter the axial flow cotton opener through the suction of inlet negative pressure airflow, the outlet negative pressure airflow is sucked out and leaves the axial flow cotton opener, the V-shaped angle nails on the surface of the roller realize free holding strike on the fiber flow in the rotating process of the roller, the V-shaped angle nails are rich in elasticity and fully open, the fiber flow is torn between the soft roller and the dust bar in the rotating process, the fiber flow is opened while walking, the fiber is not damaged, and the separation and removal of impurities and a short fiber layer formed by the rotation of the roller driven fiber flow by the dust bar in the rotating process are realized; a licker-in opener is adopted in secondary opening to realize holding and opening of raw fiber materials, a left roller, a middle roller and a right roller which are arranged in parallel are arranged in the licker-in opener, a corner nail is arranged on the outer circumference of the left roller, coarse saw teeth are arranged on the outer circumference of the middle roller, fine saw teeth are arranged on the outer circumference of the right roller, the rotating speed of the left roller is less than that of the middle roller, the rotating direction of the left roller is opposite to that of the middle roller, the rotating speed of the middle roller is less than that of the right roller, the rotating direction of the middle roller is opposite to that of the right roller, the fed raw fiber flow is transferred from the left roller to the middle roller and from the middle roller to the right roller in sequence through sequentially increasing rotating speeds, and carding is realized through puncturing the raw fibers respectively between the corner nail on the surface of the left roller and the coarse saw teeth on the surface of the middle roller and between the coarse saw teeth on the, Opening efficiency, and then obtaining small fiber bundles and even single fibers;
for the uniform cotton feeding process, a cotton box structure is adopted, 2 cotton boxes are adopted to control step by step to play a uniform cotton feeding role, the 2 cotton boxes respectively comprise a rear cotton box and a front cotton box, wherein the rear cotton box adopts a high cotton box and a photoelectric tube, the fiber output density of a fiber cotton layer with good looseness is controlled by controlling the height of the cotton box, the front cotton box adopts the photoelectric tube and a vibrating plate, and the height of the cotton box is strictly controlled, so that the fiber output density is uniform;
for the opening and carding process, an opening and carding machine is adopted, the opening and carding machine comprises a cotton feeding-licker-in feeding device and a cylinder-cover plate carding device, the cotton feeding-licker-in feeding device comprises a cotton feeding part and a licker-in opening part, wherein the cotton feeding part comprises a cotton feeding box, a lap roller, a cotton feeding roller and a cotton feeding plate, the cotton feeding plate is positioned at the lower part of the outer circumference of the cotton feeding roller, a fiber flow which is uniformly fed by cotton feeding firstly enters the cotton feeding box, then is driven by uniform pressing of the lap roller to be fed, then enters the space between the cotton feeding roller and the cotton feeding plate to be held, the fiber flow which is held and pressed at the moment is driven by the rotation of the cotton feeding roller to be output in a fiber layer state, the licker-in opening part comprises a licker-in roller, a dust removing knife and a small leakage bottom are arranged on the outer circumference of the licker-in, and the fibers in layer output between the cotton feeding roller and the cotton feeding plate are continuously stripped by the lic, thereby completing the transfer process of the fiber from the cotton feeding part to the licker-in opening part, realizing the preliminary holding carding of the fiber layer in the process of stripping the fiber by the rotation of the licker-in, the stripped fiber layer immediately enters the licker-in opening part and rotates along with the rotation of the licker-in, thereby forming an air flow layer on the surface of the licker-in, at the moment, the impurities in the fiber layer are positioned at the outer layer of the air flow layer, the fiber in the fiber layer is positioned at the inner layer of the air flow layer, thereby leading the impurities and short fibers in the fiber layer to fall and be removed in the area connected with the cotton feeding plate, the dust removing knife and the small leakage bottom, the cylinder-cover plate carding device comprises a cylinder, a cover plate, a fixed cover plate, a front cover plate, a rear cover plate and a large leakage bottom are arranged on the outer circumference of the cylinder, the fiber flow output by the rotation of the licker-in is continuously stripped by the rotating cylinder, thereby completing the transfer process of the fiber from the cotton feeding device to, the method comprises the following steps of realizing careful free carding of a fiber layer in the process of stripping fibers by rotating a cylinder, enabling the stripped fiber layer to enter a cylinder-cover plate carding device immediately and rotate along with the rotation of the cylinder, finely carding the entering fibers between the cylinder and a cover plate at the moment so as to decompose the fiber layer, separating fibers, ejecting impurities, preventing the fibers from flying apart by a front cover plate, a rear cover plate and a large drain bottom, removing impurity short fibers, carrying out auxiliary carding and finishing on the fibers by a fixed cover plate, and carding to obtain a primary processing fiber raw material in the form of small fiber bundles and single fibers;
the second step is that: the primary processing fiber raw materials are intelligently mixed into strips: respectively piling the primary processed fiber raw materials prepared by the first step, and simultaneously testing the properties of the primary processed fiber raw materials, wherein the testing comprises average fiber length, fiber breaking strength and fiber surface friction, 10 samples are randomly selected for each primary processed fiber raw material during testing, an average value is obtained by testing each sample for five times, then numbers are arranged on each piling bin, the properties of the primary processed fiber raw materials obtained by testing are input into a sign capable of being repeatedly erased and rewritten, and the properties of the placed primary processed fiber raw materials are displayed through the sign; then selecting the types of the primary processing fiber raw materials to be mixed according to the quality index requirements of the blended yarns to be spun, calculating the mass of each primary processing fiber raw material to be mixed according to the total mass of the blended yarns to be spun, the production rate in each processing and the blending ratio, then respectively stacking each primary processing fiber raw material with the required mass in an independent stacking bin for processing by weighing, feeding the primary processing fiber raw materials to be processed into mixed cotton carding strips by first cotton mixing, cotton opening, second cotton mixing, uniform cotton feeding and sliver opening and cotton carding, at the moment, firstly feeding the primary processing fiber raw materials to be processed into a cotton mixer of first cotton mixing by a mixing ratio feeding device according to the required blending ratio, wherein the upper plane of the mixing ratio feeding device is open, and the other planes are closed, a group of movable mixing ratio adjusting plates is additionally arranged in the mixing ratio feeding device, the mixing ratio feeding device is divided into a certain number of sub-feeding devices through a mixing ratio adjusting plate, when the device is used, the mass of the primary processing fiber raw materials required to be placed in the feeding device at each mixing ratio is calculated according to the mixing ratio of the primary processing fiber raw materials to be processed and the density of each primary processing fiber raw material to be processed, then the mixing ratio adjusting plate is moved, so that the size adaptation adjustment of the divided sub-feeding devices is realized, and then each primary processing fiber raw material is respectively filled into the corresponding sub-feeding device, so that the weighing mixing feeding of each primary processing fiber raw material is realized; the first cotton mixing machine adopts a multi-bin structure, a plurality of high cotton bins are arranged in the first cotton mixing machine, when the first cotton mixing machine is used, all the cotton bins are fed fully in sequence, then the first cotton mixing machine is started to operate automatically, raw cotton output by all the cotton bins of the first cotton mixing machine simultaneously has time difference when the raw cotton is fed into the cotton mixing machine, and therefore bin-by-bin feeding, ladder cotton storage, synchronous output and multi-bin mixing of different fed fiber raw materials are achieved; the cotton opening method comprises the following steps that a roller cotton opener is adopted for cotton opening, 6 rows of rollers which are sequentially arranged are arranged in the roller cotton opener, four rows of truncated cone angle nails are distributed on the outer circumference of each roller, dust rods are arranged on the lower portions of the outer circumferences of the front 5 rows of rollers from top to bottom, the distance between the dust rods is adjustable, the fed fiber flow is sequentially transferred among the rollers from top to bottom through sequentially increasing rotating speed, and soft free striking and opening are achieved through sequentially puncturing fibers between the conical angle nails on the surfaces of the adjacent rollers in the transferring process; the second cotton mixing machine adopts a cotton box type structure, a corner nail curtain is arranged in the second cotton mixing machine, fed fiber flows are paved in a reciprocating mode through a swinging hopper to form fiber layers which are arranged in a stacked mode in parallel up and down, and the corner nail curtain is used for vertically grabbing fiber components on the fiber layers within the same time, so that the transverse paving, the straight taking and the mixing of different fiber components are achieved; for the uniform cotton feeding process, a cotton box structure is adopted, 3 cotton boxes are adopted for step-by-step control, the uniform cotton feeding effect is achieved, the 3 cotton boxes respectively comprise a rear cotton box, a middle cotton box and a front cotton box, wherein the rear cotton box adopts a high cotton box and a photoelectric tube, the fiber output density of a fiber cotton layer with good looseness is controlled by controlling the height of the cotton boxes, the middle cotton box adopts a swing plate rake pulling mechanism and a cotton equalizing roller, the fiber density output by the corner nail curtains is uniform by controlling the stop and rotation of the output roller of the rear cotton box, the front cotton box adopts a photoelectric tube and a vibrating plate, the height of the cotton boxes is strictly controlled, and the fiber output density is uniform;
for the opening and sliver forming process, an opening and sliver forming carding machine is adopted, the opening and sliver forming carding machine comprises a cotton feeding-licker-in feeding device and a doffer-compression roller sliver forming device, the cotton feeding-licker-in feeding device comprises a licker-in, a dust removing knife and a small under screen are arranged on the outer circumference of the licker-in, fibers in an input fiber layer are continuously stripped by the licker-in which rotates, so that the transfer process of the fibers from a cotton feeding part to the licker-in opening part is completed, the primary holding carding of the fiber layer is realized in the process of rotating and stripping the fibers by the licker-in, the stripped fiber layer immediately enters the licker-in opening part and rotates along with the rotation of the licker-in, so that an air flow layer is formed on the surface of the licker-in, impurities in the fiber layer are positioned on the outer layer of the air flow layer, the fibers in the air flow layer, and the dust removing knife and the cotton feeding plate, The doffer-compression roller slivering device comprises a doffer, wherein a stripping roller, a large compression roller and a coiler are sequentially arranged at the front part of the doffer, the doffer is arranged at the front part of a cotton feeding-licker-in feeding device, the doffer strips the fibers on the needle surface of the licker-in together in the rotation of different directions and different speeds with the licker-in and then condenses the fibers into a fiber layer again, so that the transfer process of the fibers from the cotton feeding-licker-in feeding device to the doffer-compression roller slivering device is completed, the fiber layer condensed on the doffer is continuously stripped by the stripping roller, the structure and the uniformity are kept in the stripping process, a fiber web is formed, the fiber web is pressed into strips by the large compression roller after being gathered and is continuously wound on a sliver can by the coiler, and then the mixed cotton carding strips are prepared;
the third step: and (3) mixing the cotton carding strips to form yarns: the method comprises the following steps of preparing finally required blended yarns by sequentially carrying out two drawing, roving and spinning procedures on mixed cotton carding slivers, preparing mixed half-drawn slivers by drawing and fine-drawing and re-combining of a first drawing frame, drawing the mixed half-drawn slivers by a drawing system through a four-up four-down press type pressure bar attached to a guide upper roller and double-zone curve drawing, preparing the mixed drawn slivers by drawing and fine-drawing and re-combining of a second drawing frame, and drawing the mixed drawn slivers by a drawing system through a three-up three-down press type pressure bar attached to a guide upper roller and curve drawing; the roving is fed by 2 mixed drawn slivers in a roving machine, and the mixed roving is prepared by drafting, fine-drawing, twisting and winding of the roving machine; the spun yarn is fed by 1 piece of mixed roving in a spinning machine, and the blended yarn is prepared by drafting, fine drawing, twisting and winding of the spinning machine.
Preferably, in the first step, the fibrils rotate 5-6 turns around the drum in an axial flow opener.
Preferably, in the first step, the diameters of the left roller, the middle roller and the right roller are the same.
Preferably, in the second step, the mixing ratio feeding device is of a cuboid hollow structure.
Preferably, in the second step, the number of mixing ratio adjusting plates is less than 1 than the kind of the raw fiber material to be processed.
Preferably, in the second step, the number of partial feeders corresponds to the type of the raw fiber material to be processed.
Preferably, in the second step, the axes of the 6 rows of rollers are arranged from bottom to top at 45 degrees.
Preferably, in the second step, the 6 rows of rollers rotate in the same direction at a speed which is increased by 1.1-1.2 times from top to bottom.
Preferably, in the third step, 8 mixed carding bars are co-fed in the first drawing.
Preferably, in the third step, 6 mixed semi-cooked slivers are co-fed in the second drawing.
Has the advantages that: the method comprises the steps of firstly carrying out cotton grabbing, twice cotton opening, uniform cotton feeding and opening and carding on various raw fiber raw materials to obtain selected and matched primary processing fiber raw materials, then carrying out intelligent selection and weighing mixing on the primary processing fiber raw materials, and carrying out cotton mixing, cotton opening, cotton mixing, uniform cotton feeding and opening sliver carding on the primary processing fiber raw materials to obtain mixed carding slivers, thereby realizing intelligent mixing of multi-component fibers in blended yarn production.
Detailed Description
The following examples further illustrate the present invention but are not to be construed as limiting the invention. Modifications and substitutions to methods, procedures, or conditions of the invention may be made without departing from the spirit and substance of the invention. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
Example 1
The method for producing the multi-component fiber intelligent mixed blended yarn comprises the steps of firstly, carrying out cotton grabbing, twice cotton opening, uniform cotton feeding and opening, carding and carding on various raw fiber materials to obtain selected and matched primary processed fiber raw materials, then carrying out intelligent selection, weighing and mixing on the prepared primary processed fiber raw materials, then carrying out cotton mixing, cotton opening, cotton mixing, uniform cotton feeding and sliver opening and carding on the obtained primary processed fiber raw materials to obtain mixed carded sliver, and then carrying out two-pass drawing, roving and spinning processes on the mixed carded sliver in sequence to obtain the finally required blended yarn, and specifically comprises the following steps:
the first step is as follows: primary processing of raw fiber raw material: the selected and matched primary processing fiber raw materials are prepared by sequentially carrying out cotton grabbing, two-time cotton opening, uniform cotton feeding, opening, carding and carding on all kinds of original fiber raw materials;
wherein the cotton grabbing machine adopts a reciprocating straight-line rotary cotton grabbing machine, the cotton grabbing machine comprises a cotton grabbing arm, the cotton grabbing arm comprises a middle vertical arm, a left cross arm and a right cross arm, the left cross arm and the right cross arm are respectively and fixedly connected with the left end and the right end of the middle vertical arm, the bottom end of the middle vertical arm is positioned on a cotton grabbing arm moving slideway and is driven by a motor to move along the cotton grabbing arm moving slideway, the cotton grabbing arm moving slideway comprises a middle transverse slideway, the front end of the middle transverse slideway is provided with a front circular slideway, the rear end of the middle transverse slideway is provided with a rear circular slideway, the front circular slideway and the rear circular slideway are respectively and mutually connected with the front end and the rear end of the middle transverse slideway, the bottom end of the middle vertical arm is of a circular structure, a circular track is arranged on the outer circumference of the bottom end of the middle vertical arm, a middle transverse track is arranged in the circular track at the bottom end of, when the bottom end of the middle vertical arm of the plucker is positioned in the middle transverse slideway, the middle transverse track is driven by the first motor to extend, so that the middle transverse track is positioned in the middle transverse slideway at the moment to realize the connection of the middle vertical arm of the plucker and the cotton grabbing arm moving slideway, the middle vertical arm is driven by the second motor to reciprocate back and forth along the middle transverse slideway at the moment, when the bottom end of the middle vertical arm of the plucker is positioned in the front circular slideway or the rear circular slideway, the middle transverse track is driven by the first motor to shorten, so that the circular track is positioned in the front circular slideway or the rear circular slideway at the moment to realize the connection of the middle vertical arm of the plucker and the cotton grabbing arm moving slideway, the middle vertical arm is driven by the second motor to rotate along the front circular slideway or the rear circular slideway at the moment, and cotton grabbing trolleys are respectively arranged at the bottom end of the left cross arm and the bottom end of the right cross, the cotton grabbing trolley comprises a cotton grabbing beater which is of a cylindrical structure, cotton grabbing blades are arranged on the outer circumference of the cotton grabbing beater, ribs are arranged on the lower portion of the cotton grabbing blades, the cotton grabbing blades rotate along the cotton grabbing beater on one hand, and lift along the vertical direction on the other hand, cotton bale discharge rails are arranged on the lower portions of the cotton grabbing trolleys of the left cross arm and the right cross arm, the cotton bale discharge rails comprise a left transverse cotton bale discharge rail and a right transverse cotton bale discharge rail, the front ends of the left transverse cotton bale discharge rail and the right transverse cotton bale discharge rail are connected through a front arc cotton bale discharge rail, the rear ends of the left transverse cotton bale discharge rail and the right transverse cotton bale discharge rail are connected through a rear arc cotton bale discharge rail, when the cotton fiber raw material bales are sequentially discharged on the cotton bale discharge rail, the cotton grabbing blades in the cotton grabbing beater stretch out the ribs and are contacted with raw material bales, then the cotton grabbing blade rotates along the cotton grabbing beater to grab the original fibers, and simultaneously the primary opening function of the original fibers is realized in the grabbing process, when the bottom end of the middle vertical arm of the cotton grabbing machine is positioned on the middle transverse slide way, the middle vertical arm is driven by the second motor to reciprocate back and forth along the middle transverse slide way, so that the grabbing of the original fibers in the original fiber package placed on the left transverse cotton package discharge track and the right transverse cotton package discharge track is realized by the cotton grabbing beater of the left cross arm and the right cross arm, when the bottom end of the middle vertical arm of the cotton grabbing machine is positioned on the front circular slide way or the rear circular slide way, the middle vertical arm is driven by the second motor to rotate along the front circular slide way or the rear circular slide way, so that the grabbing of the left cross arm and the right cross arm can grab the original fibers in the original fiber package placed on the front arc cotton package discharge track or the rear arc cotton package discharge track in the rotating process, the rotation of the positions of the left cross arm and the right cross arm is realized through rotation, so that the working efficiency of the cotton grabbing machine is greatly improved, and meanwhile, the more uniform mixing effect in the cotton grabbing process is realized by increasing the discharge of the raw fiber raw material bag;
for the two-time cotton opening process, an axial flow cotton opener is adopted in the first cotton opening process to realize free opening of the grabbed raw fiber materials, a roller is arranged in the axial flow cotton opener, V-shaped angle nails are uniformly distributed on the outer circumference of the roller, a dust bar and a spiral guide plate are arranged outside the outer circumference of the roller, the grabbed raw fiber materials enter the axial flow cotton opener through the suction of inlet negative pressure airflow, the outlet negative pressure airflow is sucked out and leaves the axial flow cotton opener, the V-shaped angle nails on the surface of the roller realize free holding strike on the fiber flow in the rotating process of the roller, the V-shaped angle nails are rich in elasticity and fully open, the fiber flow is torn between the soft roller and the dust bar in the rotating process, the fiber flow is opened while walking, the fiber is not damaged, and the separation and removal of impurities and a short fiber layer formed by the rotation of the roller driven fiber flow by the dust bar in the rotating process are realized; a licker-in opener is adopted in secondary opening to realize holding and opening of raw fiber materials, a left roller, a middle roller and a right roller which are arranged in parallel are arranged in the licker-in opener, a corner nail is arranged on the outer circumference of the left roller, coarse saw teeth are arranged on the outer circumference of the middle roller, fine saw teeth are arranged on the outer circumference of the right roller, the rotating speed of the left roller is less than that of the middle roller, the rotating direction of the left roller is opposite to that of the middle roller, the rotating speed of the middle roller is less than that of the right roller, the rotating direction of the middle roller is opposite to that of the right roller, the fed raw fiber flow is transferred from the left roller to the middle roller and from the middle roller to the right roller in sequence through sequentially increasing rotating speeds, and carding is realized through puncturing the raw fibers respectively between the corner nail on the surface of the left roller and the coarse saw teeth on the surface of the middle roller and between the coarse saw teeth on the, Opening efficiency, and then obtaining small fiber bundles and even single fibers;
for the uniform cotton feeding process, a cotton box structure is adopted, 2 cotton boxes are adopted to control step by step to play a uniform cotton feeding role, the 2 cotton boxes respectively comprise a rear cotton box and a front cotton box, wherein the rear cotton box adopts a high cotton box and a photoelectric tube, the fiber output density of a fiber cotton layer with good looseness is controlled by controlling the height of the cotton box, the front cotton box adopts the photoelectric tube and a vibrating plate, and the height of the cotton box is strictly controlled, so that the fiber output density is uniform;
for the opening and carding process, an opening and carding machine is adopted, the opening and carding machine comprises a cotton feeding-licker-in feeding device and a cylinder-cover plate carding device, the cotton feeding-licker-in feeding device comprises a cotton feeding part and a licker-in opening part, wherein the cotton feeding part comprises a cotton feeding box, a lap roller, a cotton feeding roller and a cotton feeding plate, the cotton feeding plate is positioned at the lower part of the outer circumference of the cotton feeding roller, a fiber flow which is uniformly fed by cotton feeding firstly enters the cotton feeding box, then is driven by uniform pressing of the lap roller to be fed, then enters the space between the cotton feeding roller and the cotton feeding plate to be held, the fiber flow which is held and pressed at the moment is driven by the rotation of the cotton feeding roller to be output in a fiber layer state, the licker-in opening part comprises a licker-in roller, a dust removing knife and a small leakage bottom are arranged on the outer circumference of the licker-in, and the fibers in layer output between the cotton feeding roller and the cotton feeding plate are continuously stripped by the lic, thereby completing the transfer process of the fiber from the cotton feeding part to the licker-in opening part, realizing the preliminary holding carding of the fiber layer in the process of stripping the fiber by the rotation of the licker-in, the stripped fiber layer immediately enters the licker-in opening part and rotates along with the rotation of the licker-in, thereby forming an air flow layer on the surface of the licker-in, at the moment, the impurities in the fiber layer are positioned at the outer layer of the air flow layer, the fiber in the fiber layer is positioned at the inner layer of the air flow layer, thereby leading the impurities and short fibers in the fiber layer to fall and be removed in the area connected with the cotton feeding plate, the dust removing knife and the small leakage bottom, the cylinder-cover plate carding device comprises a cylinder, a cover plate, a fixed cover plate, a front cover plate, a rear cover plate and a large leakage bottom are arranged on the outer circumference of the cylinder, the fiber flow output by the rotation of the licker-in is continuously stripped by the rotating cylinder, thereby completing the transfer process of the fiber from the cotton feeding device to, the method comprises the following steps of realizing careful free carding of a fiber layer in the process of stripping fibers by rotating a cylinder, enabling the stripped fiber layer to enter a cylinder-cover plate carding device immediately and rotate along with the rotation of the cylinder, finely carding the entering fibers between the cylinder and a cover plate at the moment so as to decompose the fiber layer, separating fibers, ejecting impurities, preventing the fibers from flying apart by a front cover plate, a rear cover plate and a large drain bottom, removing impurity short fibers, carrying out auxiliary carding and finishing on the fibers by a fixed cover plate, and carding to obtain a primary processing fiber raw material in the form of small fiber bundles and single fibers;
the second step is that: the primary processing fiber raw materials are intelligently mixed into strips: respectively piling the primary processed fiber raw materials prepared by the first step, and simultaneously testing the properties of the primary processed fiber raw materials, wherein the properties comprise average fiber length, fiber breaking strength and fiber surface friction, 10 samples are randomly selected for each primary processed fiber raw material during testing, an average value is obtained by testing each sample for five times, then numbers are arranged on each piling bin, the properties of the primary processed fiber raw materials obtained by testing are input into a sign capable of being repeatedly erased and rewritten, and the properties of the placed primary processed fiber raw materials are displayed through the sign; then selecting the types of the primary processing fiber raw materials to be mixed according to the quality index requirements of the blended yarns to be spun, calculating the mass of each primary processing fiber raw material to be mixed according to the total mass of the blended yarns to be spun, the production rate in each processing and the blending ratio, then respectively stacking each primary processing fiber raw material with the required mass in an independent stacking bin for processing by weighing, feeding the primary processing fiber raw materials to be processed into mixed cotton carding strips by first cotton mixing, cotton opening, second cotton mixing, uniform cotton feeding and sliver opening and cotton carding, at the moment, firstly feeding the primary processing fiber raw materials to be processed into a cotton mixer of first cotton mixing by a mixing ratio feeding device according to the required blending ratio, wherein the upper plane of the mixing ratio feeding device is open, and the other planes are closed, a group of movable mixing ratio adjusting plates is additionally arranged in the mixing ratio feeding device, the mixing ratio feeding device is divided into a certain number of sub-feeding devices through a mixing ratio adjusting plate, when the device is used, the mass of the primary processing fiber raw materials required to be placed in the feeding device at each mixing ratio is calculated according to the mixing ratio of the primary processing fiber raw materials to be processed and the density of each primary processing fiber raw material to be processed, then the mixing ratio adjusting plate is moved, so that the size adaptation adjustment of the divided sub-feeding devices is realized, and then each primary processing fiber raw material is respectively filled into the corresponding sub-feeding device, so that the weighing mixing feeding of each primary processing fiber raw material is realized; the first cotton mixing machine adopts a multi-bin structure, a plurality of high cotton bins are arranged in the first cotton mixing machine, when the first cotton mixing machine is used, all the cotton bins are fed fully in sequence, then the first cotton mixing machine is started to operate automatically, raw cotton output by all the cotton bins of the first cotton mixing machine simultaneously has time difference when the raw cotton is fed into the cotton mixing machine, and therefore bin-by-bin feeding, ladder cotton storage, synchronous output and multi-bin mixing of different fed fiber raw materials are achieved; the cotton opening method comprises the following steps that a roller cotton opener is adopted for cotton opening, 6 rows of rollers which are sequentially arranged are arranged in the roller cotton opener, four rows of truncated cone angle nails are distributed on the outer circumference of each roller, dust rods are arranged on the lower portions of the outer circumferences of the front 5 rows of rollers from top to bottom, the distance between the dust rods is adjustable, the fed fiber flow is sequentially transferred among the rollers from top to bottom through sequentially increasing rotating speed, and soft free striking and opening are achieved through sequentially puncturing fibers between the conical angle nails on the surfaces of the adjacent rollers in the transferring process; the second cotton mixing machine adopts a cotton box type structure, a corner nail curtain is arranged in the second cotton mixing machine, fed fiber flows are paved in a reciprocating mode through a swinging hopper to form fiber layers which are arranged in a stacked mode in parallel up and down, and the corner nail curtain is used for vertically grabbing fiber components on the fiber layers within the same time, so that the transverse paving, the straight taking and the mixing of different fiber components are achieved; for the uniform cotton feeding process, a cotton box structure is adopted, 3 cotton boxes are adopted for step-by-step control, the uniform cotton feeding effect is achieved, the 3 cotton boxes respectively comprise a rear cotton box, a middle cotton box and a front cotton box, wherein the rear cotton box adopts a high cotton box and a photoelectric tube, the fiber output density of a fiber cotton layer with good looseness is controlled by controlling the height of the cotton boxes, the middle cotton box adopts a swing plate rake pulling mechanism and a cotton equalizing roller, the fiber density output by the corner nail curtains is uniform by controlling the stop and rotation of the output roller of the rear cotton box, the front cotton box adopts a photoelectric tube and a vibrating plate, the height of the cotton boxes is strictly controlled, and the fiber output density is uniform;
for the opening and sliver forming process, an opening and sliver forming carding machine is adopted, the opening and sliver forming carding machine comprises a cotton feeding-licker-in feeding device and a doffer-compression roller sliver forming device, the cotton feeding-licker-in feeding device comprises a licker-in, a dust removing knife and a small under screen are arranged on the outer circumference of the licker-in, fibers in an input fiber layer are continuously stripped by the licker-in which rotates, so that the transfer process of the fibers from a cotton feeding part to the licker-in opening part is completed, the primary holding carding of the fiber layer is realized in the process of rotating and stripping the fibers by the licker-in, the stripped fiber layer immediately enters the licker-in opening part and rotates along with the rotation of the licker-in, so that an air flow layer is formed on the surface of the licker-in, impurities in the fiber layer are positioned on the outer layer of the air flow layer, the fibers in the air flow layer, and the dust removing knife and the cotton feeding plate, The doffer-compression roller slivering device comprises a doffer, wherein a stripping roller, a large compression roller and a coiler are sequentially arranged at the front part of the doffer, the doffer is arranged at the front part of a cotton feeding-licker-in feeding device, the doffer strips the fibers on the needle surface of the licker-in together in the rotation of different directions and different speeds with the licker-in and then condenses the fibers into a fiber layer again, so that the transfer process of the fibers from the cotton feeding-licker-in feeding device to the doffer-compression roller slivering device is completed, the fiber layer condensed on the doffer is continuously stripped by the stripping roller, the structure and the uniformity are kept in the stripping process, a fiber web is formed, the fiber web is pressed into strips by the large compression roller after being gathered and is continuously wound on a sliver can by the coiler, and then the mixed cotton carding strips are prepared;
the third step: and (3) mixing the cotton carding strips to form yarns: the method comprises the following steps of preparing finally required blended yarns by sequentially carrying out two drawing, roving and spinning procedures on mixed cotton carding slivers, preparing mixed half-drawn slivers by drawing and fine-drawing and re-combining of a first drawing frame, drawing the mixed half-drawn slivers by a drawing system through a four-up four-down press type pressure bar attached to a guide upper roller and double-zone curve drawing, preparing the mixed drawn slivers by drawing and fine-drawing and re-combining of a second drawing frame, and drawing the mixed drawn slivers by a drawing system through a three-up three-down press type pressure bar attached to a guide upper roller and curve drawing; the roving is fed by 2 mixed drawn slivers in a roving machine, and the mixed roving is prepared by drafting, fine-drawing, twisting and winding of the roving machine; the spun yarn is fed by 1 piece of mixed roving in a spinning machine, and the blended yarn is prepared by drafting, fine drawing, twisting and winding of the spinning machine.
Wherein in the first step, the fibrils rotate around the roller for 5-6 circles in an axial flow opener.
Wherein, in the first step, the diameters of the left roller, the middle roller and the right roller are the same.
Wherein, in the second step, the mixing ratio feeding device is in a cuboid hollow structure.
Wherein, in the second step, the number of the mixing ratio adjusting plates is 1 less than the type of the primary processing fiber raw material to be processed.
In the second step, the number of sub-feeding devices is consistent with the type of the primary processing fiber raw material to be processed.
Wherein, in the second step, the axes of the 6 rows of rollers are arranged from bottom to top at 45 degrees.
In the second step, the 6 rows of rollers rotate in the same direction at a speed which is 1.1-1.2 times from top to bottom.
In the third step, 8 mixed carding strips are co-fed in the first drawing.
Wherein, in the third step, the second drawing adopts 6 mixed half-cooked slivers to feed together.
Claims (10)
1. The production method of the multi-component fiber intelligent mixed blended yarn is characterized by comprising the following steps of firstly, carrying out cotton grabbing, twice cotton opening, uniform cotton feeding and opening carding on various raw fiber raw materials to obtain selected and matched primary processing fiber raw materials, then carrying out intelligent selection, weighing and mixing on the prepared primary processing fiber raw materials, then carrying out cotton mixing, cotton opening, cotton mixing, uniform cotton feeding, opening and carding to obtain mixed cotton strips, and then carrying out two-pass drawing, roving and spinning on the mixed cotton strips in sequence to obtain the finally required blended yarn, wherein the method specifically comprises the following steps:
the first step is as follows: primary processing of raw fiber raw material: the selected and matched primary processing fiber raw materials are prepared by sequentially carrying out cotton grabbing, two-time cotton opening, uniform cotton feeding, opening, carding and carding on all kinds of original fiber raw materials;
wherein the cotton grabbing machine adopts a reciprocating straight-line rotary cotton grabbing machine, the cotton grabbing machine comprises a cotton grabbing arm, the cotton grabbing arm comprises a middle vertical arm, a left cross arm and a right cross arm, the left cross arm and the right cross arm are respectively and fixedly connected with the left end and the right end of the middle vertical arm, the bottom end of the middle vertical arm is positioned on a cotton grabbing arm moving slideway and is driven by a motor to move along the cotton grabbing arm moving slideway, the cotton grabbing arm moving slideway comprises a middle transverse slideway, the front end of the middle transverse slideway is provided with a front circular slideway, the rear end of the middle transverse slideway is provided with a rear circular slideway, the front circular slideway and the rear circular slideway are respectively and mutually connected with the front end and the rear end of the middle transverse slideway, the bottom end of the middle vertical arm is of a circular structure, a circular track is arranged on the outer circumference of the bottom end of the middle vertical arm, a middle transverse track is arranged in the circular track at the bottom end of, when the bottom end of the middle vertical arm of the plucker is positioned in the middle transverse slideway, the middle transverse track is driven by the first motor to extend, so that the middle transverse track is positioned in the middle transverse slideway at the moment to realize the connection of the middle vertical arm of the plucker and the cotton grabbing arm moving slideway, the middle vertical arm is driven by the second motor to reciprocate back and forth along the middle transverse slideway at the moment, when the bottom end of the middle vertical arm of the plucker is positioned in the front circular slideway or the rear circular slideway, the middle transverse track is driven by the first motor to shorten, so that the circular track is positioned in the front circular slideway or the rear circular slideway at the moment to realize the connection of the middle vertical arm of the plucker and the cotton grabbing arm moving slideway, the middle vertical arm is driven by the second motor to rotate along the front circular slideway or the rear circular slideway at the moment, and cotton grabbing trolleys are respectively arranged at the bottom end of the left cross arm and the bottom end of the right cross, the cotton grabbing trolley comprises a cotton grabbing beater which is of a cylindrical structure, cotton grabbing blades are arranged on the outer circumference of the cotton grabbing beater, ribs are arranged on the lower portion of the cotton grabbing blades, the cotton grabbing blades rotate along the cotton grabbing beater on one hand, and lift along the vertical direction on the other hand, cotton bale discharge rails are arranged on the lower portions of the cotton grabbing trolleys of the left cross arm and the right cross arm, the cotton bale discharge rails comprise a left transverse cotton bale discharge rail and a right transverse cotton bale discharge rail, the front ends of the left transverse cotton bale discharge rail and the right transverse cotton bale discharge rail are connected through a front arc cotton bale discharge rail, the rear ends of the left transverse cotton bale discharge rail and the right transverse cotton bale discharge rail are connected through a rear arc cotton bale discharge rail, when the cotton fiber raw material bales are sequentially discharged on the cotton bale discharge rail, the cotton grabbing blades in the cotton grabbing beater stretch out the ribs and are contacted with raw material bales, then the cotton grabbing blade rotates along the cotton grabbing beater to grab the original fibers, and simultaneously the primary opening function of the original fibers is realized in the grabbing process, when the bottom end of the middle vertical arm of the cotton grabbing machine is positioned on the middle transverse slide way, the middle vertical arm is driven by the second motor to reciprocate back and forth along the middle transverse slide way, so that the grabbing of the original fibers in the original fiber package placed on the left transverse cotton package discharge track and the right transverse cotton package discharge track is realized by the cotton grabbing beater of the left cross arm and the right cross arm, when the bottom end of the middle vertical arm of the cotton grabbing machine is positioned on the front circular slide way or the rear circular slide way, the middle vertical arm is driven by the second motor to rotate along the front circular slide way or the rear circular slide way, so that the grabbing of the left cross arm and the right cross arm can grab the original fibers in the original fiber package placed on the front arc cotton package discharge track or the rear arc cotton package discharge track in the rotating process, the rotation of the positions of the left cross arm and the right cross arm is realized through rotation, so that the working efficiency of the cotton grabbing machine is greatly improved, and meanwhile, the more uniform mixing effect in the cotton grabbing process is realized by increasing the discharge of the raw fiber raw material bag;
for the two-time cotton opening process, an axial flow cotton opener is adopted in the first cotton opening process to realize free opening of the grabbed raw fiber materials, a roller is arranged in the axial flow cotton opener, V-shaped angle nails are uniformly distributed on the outer circumference of the roller, a dust bar and a spiral guide plate are arranged outside the outer circumference of the roller, the grabbed raw fiber materials enter the axial flow cotton opener through the suction of inlet negative pressure airflow, the outlet negative pressure airflow is sucked out and leaves the axial flow cotton opener, the V-shaped angle nails on the surface of the roller realize free holding strike on the fiber flow in the rotating process of the roller, the V-shaped angle nails are rich in elasticity and fully open, the fiber flow is torn between the soft roller and the dust bar in the rotating process, the fiber flow is opened while walking, the fiber is not damaged, and the separation and removal of impurities and a short fiber layer formed by the rotation of the roller driven fiber flow by the dust bar in the rotating process are realized; a licker-in opener is adopted in secondary opening to realize holding and opening of raw fiber materials, a left roller, a middle roller and a right roller which are arranged in parallel are arranged in the licker-in opener, a corner nail is arranged on the outer circumference of the left roller, coarse saw teeth are arranged on the outer circumference of the middle roller, fine saw teeth are arranged on the outer circumference of the right roller, the rotating speed of the left roller is less than that of the middle roller, the rotating direction of the left roller is opposite to that of the middle roller, the rotating speed of the middle roller is less than that of the right roller, the rotating direction of the middle roller is opposite to that of the right roller, the fed raw fiber flow is transferred from the left roller to the middle roller and from the middle roller to the right roller in sequence through sequentially increasing rotating speeds, and carding is realized through puncturing the raw fibers respectively between the corner nail on the surface of the left roller and the coarse saw teeth on the surface of the middle roller and between the coarse saw teeth on the, Opening efficiency, and then obtaining small fiber bundles and even single fibers;
for the uniform cotton feeding process, a cotton box structure is adopted, 2 cotton boxes are adopted to control step by step to play a uniform cotton feeding role, the 2 cotton boxes respectively comprise a rear cotton box and a front cotton box, wherein the rear cotton box adopts a high cotton box and a photoelectric tube, the fiber output density of a fiber cotton layer with good looseness is controlled by controlling the height of the cotton box, the front cotton box adopts the photoelectric tube and a vibrating plate, and the height of the cotton box is strictly controlled, so that the fiber output density is uniform;
for the opening and carding process, an opening and carding machine is adopted, the opening and carding machine comprises a cotton feeding-licker-in feeding device and a cylinder-cover plate carding device, the cotton feeding-licker-in feeding device comprises a cotton feeding part and a licker-in opening part, wherein the cotton feeding part comprises a cotton feeding box, a lap roller, a cotton feeding roller and a cotton feeding plate, the cotton feeding plate is positioned at the lower part of the outer circumference of the cotton feeding roller, a fiber flow which is uniformly fed by cotton feeding firstly enters the cotton feeding box, then is driven by uniform pressing of the lap roller to be fed, then enters the space between the cotton feeding roller and the cotton feeding plate to be held, the fiber flow which is held and pressed at the moment is driven by the rotation of the cotton feeding roller to be output in a fiber layer state, the licker-in opening part comprises a licker-in roller, a dust removing knife and a small leakage bottom are arranged on the outer circumference of the licker-in, and the fibers in layer output between the cotton feeding roller and the cotton feeding plate are continuously stripped by the lic, thereby completing the transfer process of the fiber from the cotton feeding part to the licker-in opening part, realizing the preliminary holding carding of the fiber layer in the process of stripping the fiber by the rotation of the licker-in, the stripped fiber layer immediately enters the licker-in opening part and rotates along with the rotation of the licker-in, thereby forming an air flow layer on the surface of the licker-in, at the moment, the impurities in the fiber layer are positioned at the outer layer of the air flow layer, the fiber in the fiber layer is positioned at the inner layer of the air flow layer, thereby leading the impurities and short fibers in the fiber layer to fall and be removed in the area connected with the cotton feeding plate, the dust removing knife and the small leakage bottom, the cylinder-cover plate carding device comprises a cylinder, a cover plate, a fixed cover plate, a front cover plate, a rear cover plate and a large leakage bottom are arranged on the outer circumference of the cylinder, the fiber flow output by the rotation of the licker-in is continuously stripped by the rotating cylinder, thereby completing the transfer process of the fiber from the cotton feeding device to, the method comprises the following steps of realizing careful free carding of a fiber layer in the process of stripping fibers by rotating a cylinder, enabling the stripped fiber layer to enter a cylinder-cover plate carding device immediately and rotate along with the rotation of the cylinder, finely carding the entering fibers between the cylinder and a cover plate at the moment so as to decompose the fiber layer, separating fibers, ejecting impurities, preventing the fibers from flying apart by a front cover plate, a rear cover plate and a large drain bottom, removing impurity short fibers, carrying out auxiliary carding and finishing on the fibers by a fixed cover plate, and carding to obtain a primary processing fiber raw material in the form of small fiber bundles and single fibers;
the second step is that: the primary processing fiber raw materials are intelligently mixed into strips: respectively piling the primary processed fiber raw materials prepared by the first step, and simultaneously testing the properties of the primary processed fiber raw materials, wherein the properties comprise average fiber length, fiber breaking strength and fiber surface friction, 10 samples are randomly selected for each primary processed fiber raw material during testing, an average value is obtained by testing each sample for five times, then numbers are arranged on each piling bin, the properties of the primary processed fiber raw materials obtained by testing are input into a sign capable of being repeatedly erased and rewritten, and the properties of the placed primary processed fiber raw materials are displayed through the sign; then selecting the types of the primary processing fiber raw materials to be mixed according to the quality index requirements of the blended yarns to be spun, calculating the mass of each primary processing fiber raw material to be mixed according to the total mass of the blended yarns to be spun, the production rate in each processing and the blending ratio, then respectively stacking each primary processing fiber raw material with the required mass in an independent stacking bin for processing by weighing, feeding the primary processing fiber raw materials to be processed into mixed cotton carding strips by first cotton mixing, cotton opening, second cotton mixing, uniform cotton feeding and sliver opening and cotton carding, at the moment, firstly feeding the primary processing fiber raw materials to be processed into a cotton mixer of first cotton mixing by a mixing ratio feeding device according to the required blending ratio, wherein the upper plane of the mixing ratio feeding device is open, and the other planes are closed, a group of movable mixing ratio adjusting plates is additionally arranged in the mixing ratio feeding device, the mixing ratio feeding device is divided into a certain number of sub-feeding devices through a mixing ratio adjusting plate, when the device is used, the mass of the primary processing fiber raw materials required to be placed in the feeding device at each mixing ratio is calculated according to the mixing ratio of the primary processing fiber raw materials to be processed and the density of each primary processing fiber raw material to be processed, then the mixing ratio adjusting plate is moved, so that the size adaptation adjustment of the divided sub-feeding devices is realized, and then each primary processing fiber raw material is respectively filled into the corresponding sub-feeding device, so that the weighing mixing feeding of each primary processing fiber raw material is realized; the first cotton mixing machine adopts a multi-bin structure, a plurality of high cotton bins are arranged in the first cotton mixing machine, when the first cotton mixing machine is used, all the cotton bins are fed fully in sequence, then the first cotton mixing machine is started to operate automatically, raw cotton output by all the cotton bins of the first cotton mixing machine simultaneously has time difference when the raw cotton is fed into the cotton mixing machine, and therefore bin-by-bin feeding, ladder cotton storage, synchronous output and multi-bin mixing of different fed fiber raw materials are achieved; the cotton opening method comprises the following steps that a roller cotton opener is adopted for cotton opening, 6 rows of rollers which are sequentially arranged are arranged in the roller cotton opener, four rows of truncated cone angle nails are distributed on the outer circumference of each roller, dust rods are arranged on the lower portions of the outer circumferences of the front 5 rows of rollers from top to bottom, the distance between the dust rods is adjustable, the fed fiber flow is sequentially transferred among the rollers from top to bottom through sequentially increasing rotating speed, and soft free striking and opening are achieved through sequentially puncturing fibers between the conical angle nails on the surfaces of the adjacent rollers in the transferring process; the second cotton mixing machine adopts a cotton box type structure, a corner nail curtain is arranged in the second cotton mixing machine, fed fiber flows are paved in a reciprocating mode through a swinging hopper to form fiber layers which are arranged in a stacked mode in parallel up and down, and the corner nail curtain is used for vertically grabbing fiber components on the fiber layers within the same time, so that the transverse paving, the straight taking and the mixing of different fiber components are achieved; for the uniform cotton feeding process, a cotton box structure is adopted, 3 cotton boxes are adopted for step-by-step control, the uniform cotton feeding effect is achieved, the 3 cotton boxes respectively comprise a rear cotton box, a middle cotton box and a front cotton box, wherein the rear cotton box adopts a high cotton box and a photoelectric tube, the fiber output density of a fiber cotton layer with good looseness is controlled by controlling the height of the cotton boxes, the middle cotton box adopts a swing plate rake pulling mechanism and a cotton equalizing roller, the fiber density output by the corner nail curtains is uniform by controlling the stop and rotation of the output roller of the rear cotton box, the front cotton box adopts a photoelectric tube and a vibrating plate, the height of the cotton boxes is strictly controlled, and the fiber output density is uniform;
for the opening and sliver forming process, an opening and sliver forming carding machine is adopted, the opening and sliver forming carding machine comprises a cotton feeding-licker-in feeding device and a doffer-compression roller sliver forming device, the cotton feeding-licker-in feeding device comprises a licker-in, a dust removing knife and a small under screen are arranged on the outer circumference of the licker-in, fibers in an input fiber layer are continuously stripped by the licker-in which rotates, so that the transfer process of the fibers from a cotton feeding part to the licker-in opening part is completed, the primary holding carding of the fiber layer is realized in the process of rotating and stripping the fibers by the licker-in, the stripped fiber layer immediately enters the licker-in opening part and rotates along with the rotation of the licker-in, so that an air flow layer is formed on the surface of the licker-in, impurities in the fiber layer are positioned on the outer layer of the air flow layer, the fibers in the air flow layer, and the dust removing knife and the cotton feeding plate, The doffer-compression roller slivering device comprises a doffer, wherein a stripping roller, a large compression roller and a coiler are sequentially arranged at the front part of the doffer, the doffer is arranged at the front part of a cotton feeding-licker-in feeding device, the doffer strips the fibers on the needle surface of the licker-in together in the rotation of different directions and different speeds with the licker-in and then condenses the fibers into a fiber layer again, so that the transfer process of the fibers from the cotton feeding-licker-in feeding device to the doffer-compression roller slivering device is completed, the fiber layer condensed on the doffer is continuously stripped by the stripping roller, the structure and the uniformity are kept in the stripping process, a fiber web is formed, the fiber web is pressed into strips by the large compression roller after being gathered and is continuously wound on a sliver can by the coiler, and then the mixed cotton carding strips are prepared;
the third step: and (3) mixing the cotton carding strips to form yarns: the method comprises the following steps of preparing finally required blended yarns by sequentially carrying out two drawing, roving and spinning procedures on mixed cotton carding slivers, preparing mixed half-drawn slivers by drawing and fine-drawing and re-combining of a first drawing frame, drawing the mixed half-drawn slivers by a drawing system through a four-up four-down press type pressure bar attached to a guide upper roller and double-zone curve drawing, preparing the mixed drawn slivers by drawing and fine-drawing and re-combining of a second drawing frame, and drawing the mixed drawn slivers by a drawing system through a three-up three-down press type pressure bar attached to a guide upper roller and curve drawing; the roving is fed by 2 mixed drawn slivers in a roving machine, and the mixed roving is prepared by drafting, fine-drawing, twisting and winding of the roving machine; the spun yarn is fed by 1 piece of mixed roving in a spinning machine, and the blended yarn is prepared by drafting, fine drawing, twisting and winding of the spinning machine.
2. The method of producing a multi-component fiber smart hybrid yarn blend of claim 1 wherein in the first step, the fibrils rotate about the rollers in an axial flow opener 5 to 6 revolutions.
3. The method of producing a multicomponent fiber smart hybrid yarn blend of claim 1 wherein in the first step the left roller, the middle roller, and the right roller have the same diameter.
4. The method of producing a multicomponent fiber smart hybrid yarn blend as claimed in claim 1, wherein in the second step, the mixing ratio feeding means is a cuboid hollow structure.
5. The method of producing a multi-component fiber smart hybrid yarn blend of claim 1 wherein in the second step, the number of blend ratio adjusting plates is less than 1 from the type of the as-processed fiber raw material to be processed.
6. The method of producing a multicomponent fiber smart hybrid yarn blend as claimed in claim 1, wherein in the second step, the number of sub-feeding means is maintained in accordance with the type of the as-processed fiber material to be processed.
7. The method of producing a multicomponent fiber intelligent hybrid yarn blend of claim 1 wherein in the second step, the 6 rows of rollers are arranged with their axes 45 ° from bottom to top.
8. The method of producing a multicomponent fiber smart hybrid yarn blend of claim 1 wherein in the second step, the 6 rows of rollers rotate in the same direction and at a speed that increases from top to bottom by a factor of 1.1 to 1.2.
9. The method of producing a multicomponent fiber smart hybrid yarn blend of claim 1 wherein in the third step, 8 blended card slivers are co-fed in the first pass drawing.
10. The method of producing a multicomponent fiber smart hybrid yarn blend of claim 1 wherein in the third step, 6 blend half-rips are co-fed during the second draw.
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| CN113388925B (en) * | 2021-07-19 | 2022-10-18 | 宜城市天舒纺织有限公司 | Multi-fiber open-mixing integrated device and production method of blended yarn |
| CN113882050B (en) * | 2021-10-28 | 2022-10-18 | 浙江龙源纺织股份有限公司 | Production method of pure cotton high-quality combed yarn |
| CN115852539B (en) * | 2022-11-30 | 2023-06-30 | 浙江波思奇羊绒股份有限公司 | Intelligent wool yarn production device and production method thereof |
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