CN113550035B

CN113550035B - Mixed carding machine and antibacterial blended yarn production method

Info

Publication number: CN113550035B
Application number: CN202110831082.4A
Authority: CN
Inventors: 吉宜军; 杨洋; 崔益怀; 刘新金; 苏旭中
Original assignee: Nantong Double Great Textile Co ltd; Jiangnan University
Current assignee: Nantong Double Great Textile Co ltd; Jiangnan University
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-11-04
Anticipated expiration: 2041-07-22
Also published as: CN113550035A

Abstract

The invention discloses a mixed carding machine and an antibacterial blended yarn production method, wherein the carding machine comprises a transmission feeding device, a carding mixing device, a transfer carding device, a condensation web forming device and a strip winding device; preparing a fiber bundle, namely spraying grease and water on apocynum venetum fibers, performing closed hemp pretreatment, and then sequentially performing mixed opening and holding opening to prepare the fiber bundle; mixing the cotton fiber roll and the apocynum venetum fiber bundle into strips, feeding the cotton fiber roll and the apocynum venetum fiber bundle into a mixing carding machine, and mixing to obtain mixed strips; and (4) performing slivering, namely drawing the mixed fiber sliver, gathering and drafting to obtain the fiber straightening parallelism, and finally performing yarn forming treatment. The invention overcomes the difficulty that apocynum venetum fiber is difficult to be formed into sliver independently, and the mixed fiber sliver is directly formed into yarn by the spinning machine with large draft, thereby reducing the spinning flow and greatly improving the spinning efficiency.

Description

Mixed carding machine and antibacterial blended yarn production method

Technical Field

The invention relates to a mixing carding machine and an antibacterial blended yarn production method, and belongs to the field of new textile technologies.

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.

Meanwhile, with the increasing development of social economy and the continuous improvement of the living standard of people, the consumption concept of people is continuously updated, the requirements on the functionality and the serviceability of the clothes are higher and higher, and especially the requirements on the aspects of antibiosis, health care, hand feeling quality and the like of the clothes are continuously improved; on the other hand, with the development of economy, the application fields of various functional fibers and textiles are gradually expanded. Therefore, the development of fiber materials having various special functions is receiving more and more attention, and the kinds of functional fiber materials are also more and more complete. However, the performance of various functional fibers is often single, for example, bamboo charcoal fibers have excellent antibacterial performance, but have poor handfeel, skin-friendly property, cohesive force and spinnability, so that functional textiles with comprehensive performance need to be blended by multiple fibers, how to select different varieties and proportions of fibers to be mixed, and what spinning process to spin functional high-quality yarns with excellent performance will be problems to be solved urgently at present.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a mixing carding machine and an antibacterial blended yarn production method.

In order to solve the technical problems, the invention adopts the technical scheme that:

a production method of an antibacterial blended yarn comprises the following steps:

the method comprises the following steps: making a cotton fiber roll, namely, sequentially carrying out reciprocating cotton grabbing, weight separation, axial flow cotton opening, multi-bin cotton mixing, holding cotton opening and beater rolling on the selected cotton fiber to prepare a cotton fiber roll;

step two: the method comprises the following steps of (1) preparing a bundle of apocynum venetum fibers, namely spraying 2% of grease and 10% of water on the apocynum venetum fibers for wetting, then carrying out apocynum venetum pretreatment, and then carrying out mixed opening and holding opening in sequence to prepare the apocynum venetum fiber bundle;

step three: mixing and slivering, simultaneously feeding the cotton fiber roll prepared in the step one and the apocynum venetum fiber bundle prepared in the step two into a mixing carding machine, and mixing by the carding machine to prepare a mixed sliver;

step four: performing slivering, namely gathering and drafting the mixed fiber raw slivers prepared in the step three through drawing to obtain mixed fiber drawn slivers with the fiber straightening parallelism further improved;

step five: and (4) yarn forming, namely directly carrying out large drafting and twisting on the mixed fiber drawn sliver prepared in the step four through spun yarn to obtain the antibacterial blended yarn with certain strength.

As a further preferable scheme, in the first step, a double-beater reciprocating bale plucker is adopted in the reciprocating bale plucker, the double-beater reciprocating bale plucker comprises a bale plucking device and a fiber conveying pipe, the bale plucker comprises a shell, fiber baffle rollers are arranged on the open side surface of the shell at equal intervals, a double-beater is arranged inside the shell, the double-beater comprises a first group of beaters and a second group of beaters which are horizontally arranged in parallel, the first group of beaters comprises a first pre-opening beater and a first main beater which are horizontally arranged in parallel, the second group of beaters comprises a second pre-opening beater and a second main beater which are horizontally arranged in parallel, the first pre-opening beater, the first main beater, the second pre-opening beater and the second main beater have the same structure and comprise a middle roller, the diameters of the middle rollers of the first pre-opening beater and the second pre-opening beater are the same, the diameters of the middle rollers of the first main cotton grabbing beater and the second main cotton grabbing beater are the same, the diameters of the middle rollers of the first pre-opening beater and the second pre-opening beater are smaller than the diameters of the middle rollers of the first main cotton grabbing beater and the second main cotton grabbing beater, the middle rollers of the first pre-opening beater and the first main cotton grabbing beater rotate anticlockwise, the middle rollers of the second pre-opening beater and the second main cotton grabbing beater rotate clockwise, the middle rollers are provided with card clothing, the card clothing of the first pre-opening beater and the second pre-opening beater have the same density, the card clothing of the first main cotton grabbing beater and the second main cotton grabbing beater have the same density, and the card clothing of the first pre-opening beater and the second pre-opening beater have the density larger than the card clothing of the first main cotton grabbing beater and the second main cotton grabbing beater; the bottom of the fiber conveying pipe is connected with the shell in an intercommunicating way, the top of the fiber conveying pipe is connected with the cotton conveying pipeline in an intercommunicating way, the other side of the cotton conveying pipeline is connected with the machine table, when the cotton picking device is used, selected cotton fibers are arranged on two sides of the double-group beater reciprocating cotton picker, the cotton picking device is pressed downwards to generate certain pressure on a cotton bag, then the fibers on the upper portion of the cotton bag extend into the cotton picking device through a gap between fiber baffle rollers, when the cotton picking device moves from back to front along the discharged cotton bag, a first group of beaters generate a main effect on the cotton fibers, a second group of beaters generate an auxiliary effect on the cotton fibers, at the moment, the needle cloth on the first pre-loosening beater generates a corresponding pre-loosening effect on the extending cotton fibers, the cotton fibers are loosened partially under the pre-loosening effect, and a small part of the cotton fibers are grabbed by the first pre-loosening beater and then enter the fiber conveying pipe under the negative pressure effect, the pre-opened cotton fibers are subjected to corresponding main grabbing action under the action of card clothing on a first main cotton grabbing beater, most of the cotton fibers are grabbed by the first main cotton grabbing beater and then enter a fiber conveying pipe under the action of negative pressure under the action of the main grabbing, meanwhile, the opening action on the cotton fibers is realized under the action of the main grabbing, a small part of the cotton fibers which are not grabbed by the first group of beaters are sequentially subjected to the opening and grabbing actions under the action of a second main cotton grabbing beater and a second pre-opening beater of a second group of beaters, when the cotton grabbing device moves from front to back along the discharged cotton bale, the second group of beaters mainly act on the cotton fibers, the first group of beaters assist the cotton fibers, the card clothing on the second pre-opening beater correspondingly pre-opens the inserted cotton fibers, and the cotton fibers are partially loosened under the pre-opening action, simultaneously, a small part of cotton fibers are grabbed by a second pre-loosening beater arm and then enter a fiber conveying pipe under the action of negative pressure, the pre-loosened cotton fibers then generate corresponding main grabbing action under the action of card clothing on a second main cotton grabbing beater arm, under the main grabbing action, most of the cotton fibers are grabbed by the second main cotton grabbing beater arm and then enter the fiber conveying pipe under the action of negative pressure, meanwhile, the opening action on the cotton fibers is realized under the main grabbing action, a small part of the cotton fibers which are not grabbed by the second group beater arm then realize the opening and grabbing actions under the action of a first main cotton grabbing beater arm and a first pre-loosening beater arm of a first group in sequence, and the cotton fibers entering the fiber conveying pipe are conveyed into a front machine table under the action of negative pressure through a cotton conveying pipeline; in the heavy object separation, the captured cotton fiber flow moves at a high speed in a bent pipeline under the drive of airflow, and the bending angle of the pipeline is larger than 90 degrees, so that heavy object impurities in the cotton fibers are thrown out at the bent part under the action of centrifugal force under the large motion inertia of the heavy object impurities, and then the heavy object and the cotton fibers are separated; in the axial flow cotton opening process, the cotton fiber flow moves forwards along the axial direction of the carding roller under the action of negative pressure and rotates along the axial direction of the circumferential direction, and the carding card clothing is arranged on the carding roller, and the rotating direction of the carding roller is opposite to the rotating direction of the cotton fiber flow, so that the cotton fiber flow is beaten by the card clothing on the carding roller, and then the cotton fiber flow is opened for a plurality of times; in the multi-bin cotton mixing, cotton fibers flow through a conveying pipeline and are conveyed into 6-8 high cotton bins at random, so that a cotton storage process in the cotton bins is realized, the cotton fibers in the cotton bins for initializing cotton storage are output under the driving of a cotton feeding roller, the output cotton fibers are conveyed through bent pipes with different lengths and then are converged into a fiber layer with a certain height on a conveying curtain, the random mixing action is realized due to the different path lengths in the conveying process, the fiber layer is driven by the conveying curtain and then is contacted with a cotton grabbing curtain under certain pressure, so that the cotton grabbing curtain can grab the cotton fibers simultaneously along the thickness direction of the fiber layer, the mixing in the grabbing of the fiber layer which is transversely layered along the longitudinal direction is realized, and the opening action on the cotton fibers is realized in the conveying process; during holding and opening, cotton fibers are gathered together through a cotton guide roller after being uniformly arranged by a high cotton box, then are held and output by a cotton feeding roller, the cotton fibers are beaten by a sawtooth card clothing carding roller on the surface which rotates anticlockwise in the holding state in the output process, so that the holding and opening effects on the cotton fibers are realized, the held and opened cotton fibers are transferred to the carding roller, the impurities in the cotton fibers are removed under the action of dust bars which are arranged at equal intervals below the carding roller in the process of driving and conveying by the carding roller, meanwhile, the rotating fibers are supported by the dust bars, and then the opened cotton fibers are smoothly output; during the rolling of the beater, the cotton fiber flow is firstly controlled and adjusted by a balance roller to realize uniform feeding, the uniformly fed cotton fibers are loosened after the beating action of the comprehensive beater, and are condensed into a roll shape after the negative pressure adsorption action of a pair of upper adsorption condensation rollers and lower adsorption condensation rollers, the inner parts of which are provided with negative pressure and are distributed according to certain smooth arrangement, are distributed on the surface of the cotton fibers, then the cotton fibers are rolled up and rolled down and combined and enter a rolling device consisting of four pressing rollers arranged in an up-down state to realize the rolling, and the cotton fibers are conveyed along an S-shaped route of the rolling device after the cotton fibers are rolled up and down in the process, so that the three rolling processes are realized.

As a further preferred scheme, in the second step, during the opening of the cotton mixing, the pre-treated apocynum venetum fibers are sent into a cotton box, the apocynum venetum fibers are subjected to swinging output by an oscillating bucket at the bottom of the cotton box after passing through the cotton box with the fiber height controlled within a certain range, the apocynum venetum fibers subjected to swinging output are uniformly laid on a conveying curtain, so that a ply structure with a certain thickness is formed on the conveying curtain to obtain an apocynum venetum fiber layer, the apocynum venetum fiber layer is driven by the conveying curtain to be in contact with a rotating grabbing cotton curtain with a certain inclined direction under a certain pressure, grabbing cotton pins are arranged on the grabbing cotton curtain, the fibers in the fiber layers are simultaneously grabbed along the thickness direction of the fiber layers by the grabbing pins, so that the fibers in the fiber layers are simultaneously grabbed longitudinally and simultaneously in the transverse direction of the fiber layers in the grabbing process, then the random mixing action among the fibers of the fiber layers is realized, the fibers grabbed by the grabbing cotton curtain are conveyed upwards along the grabbing cotton curtain, the thicker apocynum venetum fibers are newly beaten fibers are scraped back onto the fiber layers under the action of the uniform cotton grabbing cotton box under the action of the uniform cotton grabbing of the grabbing roller, the uniform cotton grabbing, the uniform vibration control of the apocynum venetum fibers, the uniform vibration of the grabbing under the uniform vibration of the apocynum venetum fibers, the uniform beating, the apocynum venetum fibers are finally, and the apocynum venetum fibers are uniformly output under the uniform control, and the uniform vibration of the apocynum venetum fiber picking belt is realized, and the apocynum venetum fiber picking belt is uniformly in one step; in the holding and opening process, apocynum venetum fibers are gathered together through a cotton guide roller after being uniformly arranged through a high cotton box, then the apocynum venetum fibers are held and output by a cotton feeding roller, the apocynum venetum fibers are subjected to the puncture effect of a carding roller with card wire clothing arranged on the surface in a counterclockwise rotating mode in the holding state in the output process, the apocynum venetum fibers are held and carded, the apocynum venetum fibers are transferred onto the carding roller, the impurities in the apocynum venetum fibers are removed and short fibers are removed under the effect of dust rods arranged at equal intervals below the carding roller in the process of driving and conveying through the carding roller, meanwhile, the supporting effect on the rotating fibers is achieved through the dust rods, and then the smooth output of the apocynum venetum fibers after carding is achieved.

As a further preferable scheme, in the third step, the device sequentially comprises a transmission feeding device, a carding and mixing device, a transfer carding device, a condensation net-forming device and a strip winding device from front to back along the moving direction of the fiber in the mixing carding machine, wherein the transmission feeding device comprises an upper holding feeding device and a lower conveying feeding device, the upper holding feeding device comprises a cotton feeding roller and a cotton feeding plate, the cotton feeding roller is positioned at the lower part of the cotton feeding plate, the cotton feeding plate is of an arc structure, the cotton feeding roller is tightly pressed and contacted with the cotton feeding plate, and the pressing acting force between the cotton feeding roller and the cotton feeding plate is gradually increased due to the arc structure of the cotton feeding plate, the lower conveying feeding device comprises a conveying curtain, the conveying curtain comprises conveying rollers which are arranged at equal intervals, a conveying curtain is wound on the conveying rollers, the conveying curtain is of a crawler belt structure, and a certain bulge is arranged on the conveying curtain, so that a certain friction acting force is kept between the conveying curtain and fibers on the conveying curtain, the conveying roller is driven by a motor to rotate so as to drive the conveying curtain to rotate, the carding and mixing device comprises an upper carding device, a lower carding device and a mixing stripping device, the upper carding device comprises a first carding roller and a second carding roller which are adjacent, the lower carding device comprises a third carding roller and a fourth carding roller which are adjacent, the mixing stripping device comprises a fifth carding roller, the first carding roller, the second carding roller, the third carding roller, the fourth carding roller and the fifth carding roller have the same structure and comprise intermediate rollers, the intermediate rollers are in cylindrical solid structures, carding card clothing is arranged on the intermediate rollers, the carding card clothing on the first carding roller and the carding card clothing on the second carding roller are in parallel structural configuration, the carding card clothing on the third carding roller and the carding roller are in parallel structural configuration, and a certain distance is kept between the first carding roller and the third carding roller, a fiber supporting and impurity removing device is arranged at the lower part of the first carding roller, the fiber supporting and impurity removing device comprises a dust removing knife and a carding plate, the dust removing knife is positioned at the rear side of the carding plate, the dust removing knife is of a triangular structure and is arranged at the lower part of the first carding roller at a certain inclination angle, the carding plate is of an arc structure, the distance between the carding plate and the first carding roller is gradually reduced along the moving direction of the fibers on the carding plate, carding card clothing is arranged on the carding plate, the carding card clothing on the carding plate and the carding card clothing on the first carding roller are in a cross structure configuration, a fiber supporting and short removing device is arranged at the lower part of the third carding roller, the fiber supporting and short removing device comprises a small under-screen which is of an arc structure, the small under-screen comprises a front connecting rod and a rear connecting rod of an arc structure, carding strips are arranged between the front connecting rod and the rear connecting rod at unequal radian intervals, the carding card clothing is arranged on the carding strips, the carding card clothing on the carding strips and the carding card clothing on the second carding roller keep a crossed structural configuration, the distance between the adjacent carding strips is firstly reduced and then increased along the moving direction of the fibers on the small under screen, the distance between the small under screen and the second carding roller is firstly increased and then reduced along the moving direction of the fibers on the small under screen, the fifth carding roller, the second carding roller and the fourth carding roller are all arranged in a state of keeping crossed cambered surfaces, the carding card clothing of the fifth carding roller, the carding card clothing of the second carding roller and the carding card clothing of the fourth carding roller are all arranged in a parallel structural configuration, a fiber supporting and impurity removing device is arranged at the bottom of the fifth carding roller, the transfer carding device comprises a sixth carding roller, the sixth carding roller and the fifth carding roller are arranged in a close state, and the carding card clothing of the fifth carding roller and the carding card clothing of the sixth carding roller are arranged in a parallel structural configuration, a movable cover plate is arranged at the upper part of the sixth carding roller, the movable cover plate comprises a front annular chain and a rear annular chain, carding pieces are arranged between the front annular chain and the rear annular chain at equal radian intervals, carding card clothing is arranged on the carding pieces, the distance between each carding piece and the sixth carding roller is kept completely consistent, the front annular chain and the rear annular chain are surrounded on a driving roller and are driven by the driving roller to rotate circularly, the carding card clothing on the carding pieces and the carding card clothing on the sixth carding roller are kept in a crossed structure configuration, a condensation net-forming device comprises a seventh carding roller, the seventh carding roller and the sixth carding roller are arranged in a close state, the carding clothing of the seventh carding roller and the carding clothing of the sixth carding roller are in parallel structural configuration, the diameter of the seventh carding roller is far smaller than that of the sixth carding roller, a stripping device is arranged on the half part of the cambered surface close to the front side of the seventh carding roller, the stripping device comprises a stripping roller and a pressing roller pair, a sliver forming and winding device comprises a gathering horn mouth, a pressing roller pair and a winding sliver can, a winding shaft is arranged on the winding sliver can, the winding sliver can is a cylindrical can with a hollow structure, the top end of the winding sliver can is open, the bottom of the winding sliver can is arranged on a rotating sheet and is driven by the rotating sheet to rotate, a spring part is arranged in the winding sliver can, and a sealing cover is in supporting connection with the spring part and is a circular sheet; when in use, a cotton fiber roll and a apocynum venetum fiber bundle are simultaneously fed into a mixing carding machine, the cotton fiber roll is fed after being held by a cotton feeding roller and a cotton feeding plate which are of inverted structures, the holding acting force on the cotton fiber roll is gradually increased along with the gradual feeding of the cotton fiber roll in the feeding process, meanwhile, the cotton fiber roll generates output which is gradually bent downwards, the cotton fiber roll is further fed into a first carding roller in a tangential direction to be held and opened, the carding and opening action of a first carding roller which rotates anticlockwise in front is received in the holding and feeding process of the cotton fiber roll at one end, the carding card clothing of the first carding roller firstly strikes the cotton fiber roll in the carding and opening process to realize the opening of the cotton fiber roll, then the carding card clothing is inserted into the opened loose cotton fiber rolls to divide the cotton fiber roll, the carding card clothing is more densely inserted between the cotton fiber rolls along with continuous feeding of the cotton fiber rolls, so that more fine carding is realized to obtain cotton fiber bundles, the cotton fiber bundles obtained by carding and opening along with continuous conveying of the cotton fiber rolls are completely transferred onto the first carding roller after being separated from the holding effect, the cotton fibers transferred onto the first carding roller are supported by the dust removing knife and the carding plate to rotate around the circumferential direction of the first carding roller, the dust removing knife realizes separation between impurities on the surface of the airflow layer and the cotton fibers inside the airflow layer through the separation effect on airflow on the surface of the first carding roller in the supporting process, the carding card clothing on the carding plate and the carding card clothing on the first carding roller generate mutual tearing effect on the fibers to realize the carding effect on the fibers, and the cotton fiber bundles on the first carding roller are carded toward the second carding roller under the effect of the second carding roller which rotates anticlockwise on the following direction The rollers are completely transferred, the carding card clothing on the first carding roller generates an outward pushing acting force on the cotton fiber bundle in the transferring process, the carding card clothing on the second carding roller generates an inward pulling acting force on the cotton fiber bundle, the fibers in the cotton fiber bundle are gradually transferred onto the second carding roller by the first carding roller under the combined action of the outward pushing acting force and the inward pulling acting force, then the dispersion effect of the fibers in the fiber bundle is realized in the gradual transferring process, so that the opening action in a free state in the transferring process is realized, the apocynum fiber bundle is conveyed by the conveying curtain and then fed after being treated by the finishing action of the cotton feeding box, the cotton feeding box comprises an upper uniform finishing cotton box and a lower uniform output cotton box, the upper uniform finishing cotton box and the lower uniform output cotton box are connected through a swinging hopper device, a uniform output roller pair is arranged at the bottom of the lower uniform output cotton box, the uniform output rollers comprise an upper uniform output roller and a lower uniform output roller, pressure sensing devices are arranged at equal intervals along the length direction of the upper uniform output roller, each pressure sensing device is connected with an average pressure device, the average pressure device is connected with a driving motor of the lower uniform output roller, apocynum venetum fiber bundles firstly enter the upper uniform finishing cotton box, the height of the apocynum venetum fibers in the cotton box is always kept within a certain range under the action of a photoelectric tube arranged in the upper uniform finishing cotton box, so that the apocynum venetum fibers in the upper uniform finishing cotton box are output into the lower uniform output cotton box by a swinging hopper under relatively constant pressure, uniform layering of the apocynum venetum fibers is realized in the lower uniform output cotton box, the apocynum venetum fiber layers are gathered by the uniform output rollers and then output, and in the output process, each pressure sensing device on the upper uniform output roller detects the reverse acting pressure of the fiber bundles at corresponding positions on the upper uniform output roller, and the detected pressure value is transmitted into an average pressure device to calculate and obtain the average pressure value of the apocynum fibers fed along the length direction of the upper uniform output roller, when the average pressure value is larger than the set pressure value, the thickness of the apocynum fiber bundle output is over large, the rotating speed of the uniform output roller under the control of the motor is driven to be reduced at the moment, so that the feeding of the apocynum fiber bundle is reduced, when the average pressure value is smaller than the set pressure value, the thickness of the apocynum fiber bundle output is over small, the rotating speed of the uniform output roller under the control of the motor is driven to be increased at the moment, the feeding of the apocynum fiber bundle is increased, so that the uniform output of the apocynum fibers is realized, the apocynum fiber bundle output uniformly is fed after being transmitted by the conveying curtain, so that the apocynum fiber bundle is fed under the carding action of a third carding roller rotating anticlockwise in front under a certain pressure in a free state, in the carding process, apocynum venetum fiber bundles are sent into a third carding roller in a vertical direction to be freely opened, in the free opening process, the carding card clothing of the third carding roller first grabs the apocynum venetum fiber bundles with a certain thickness, in the grabbing process, the opening action among fibers with a certain thickness is realized, the grabbed apocynum venetum fibers are gradually scattered on the circumferential surface of the third carding roller rotating at a high speed, then the progressive scattering and opening action of the apocynum venetum fibers is realized, the carding card clothing is gradually inserted among the fibers along with the scattering of the apocynum venetum fibers on the surface of the third carding roller, then the careful carding action of the apocynum venetum fibers is realized, the apocynum venetum fibers transferred to the third carding roller are supported by a small under-leakage bottom to rotate around the circumferential direction of the third carding roller, in the supporting process, the carding card clothing on the small under leakage bottom and the carding card clothing on the third carding roller generate mutual pulling and tearing action on the fibers, thereby the fibers are realized The carding function, the short length apocynum fiber falls through the space between the carding strips in the carding process, then the separation and removal function to the apocynum short fiber is realized, the apocynum fiber bundle on the third carding roller is completely transferred to the fourth carding roller under the function of the fourth carding roller which rotates anticlockwise in the front direction, the carding card clothing on the third carding roller generates the outward pushing acting force to the apocynum fiber bundle in the transferring process, the carding card clothing on the fourth carding roller generates the inward pulling acting force to the apocynum fiber bundle, the fiber in the apocynum fiber bundle is gradually transferred to the fourth carding roller by the third carding roller 7 under the combined action of the two, then the discrete function of the fiber in the fiber bundle is realized in the gradual transferring process, thereby the opening function in the free state in the transferring process is realized, the transferred cotton fiber is downwards transferred under the driving of the second carding roller, the apocynum venetum fiber transferred under the drive of the fourth carding roller is transferred upwards, two fibers are then converged at the adjacent part of the second carding roller and the fourth carding roller, carding action is realized under the combined action of the carding card clothing on the second carding roller and the fourth carding roller in the converging process, in the carding process, the carding card clothing on the second carding roller generates an internal pulling acting force on a cotton fiber bundle, the carding card clothing on the fourth carding roller generates an internal pulling acting force on the apocynum venetum fiber bundle, then, part of the cotton fiber is transferred to the fourth carding roller under the carding action, part of the apocynum venetum fiber is transferred to the second carding roller, then, the mixing action of the two fibers is realized in the transferring process, the two mixed fibers are transferred to the front cambered surface of the carding roller along with the rotation of the second carding roller and the fourth carding roller and are completely stripped by the fifth carding roller which is adjacent to the second carding roller and the fourth carding roller and rotates anticlockwise, the mixed fiber on the sixth carding roller is subjected to carding action of carding card clothing on a carding sheet of a movable cover plate rotating anticlockwise after rotating to a right upper arc surface, the mixed fiber is repeatedly transferred between the sixth carding roller and the movable cover plate under the carding action, the mixed fiber on the sixth carding roller is subjected to carding action of carding card clothing on the carding sheet of the movable cover plate rotating anticlockwise until the mixed fiber is decomposed into a single fiber state, meanwhile, the fine mixing of the two fibers in a single fiber state is realized in the repeated fiber transferring process under the carding action, the mixed fiber on the sixth carding roller is subjected to carding action of the carding card clothing on a seventh carding roller rotating anticlockwise after being separated from an action area of the movable cover plate, the mixed fiber is transferred to a seventh roller partially under the carding action, is condensed into a mixed fiber on a seventh carding roller, the mixed fiber is completely pressed on a carding drum, and the mixed fiber is taken out and pressed into a combined sliver and conveyed, and the combined fiber is continuously wound on a winding drum.

As a further preferred scheme, in the fourth step, two-pass drawing is adopted, the mixed fiber raw slivers are fed together in the first-pass drawing, the fed mixed fiber raw slivers are gathered firstly, details and nubs on each mixed fiber raw sliver are randomly combined in the gathering process, so that the weight unevenness of the slivers is improved in the random combining process, the gathered slivers are subjected to the drafting action of a drafting system to reduce the linear density to obtain mixed fiber semi-finished slivers, and the straightness of fibers in the slivers is improved in the drafting process; in the second drawing, 8 mixed fiber semi-finished slivers are fed together, and the fed 8 mixed fiber semi-finished slivers are gathered and drafted in sequence to obtain the mixed fiber semi-finished slivers.

As a further preferable scheme, in the fifth step, in the large drafting process, the mixed fiber drawn sliver is drafted through a drafting system composed of four rollers and four long and short aprons, the fibers in the mixed drawn sliver are controlled by an external control force field jointly formed by the holding acting force between the rollers and the friction force field formed by the apron jaws in the drafting process, so that the fibers in the mixed drawn sliver realize stable and concentrated speed change in a drafting area, the linear density is reduced in the speed change process, fiber strands with required linear density are obtained after drafting, the fiber strands realize mutual transfer among the fibers in the strands under the action of twisting degree, mutual interlacing action is generated among the fibers in the transfer process, and then certain cohesive acting force is generated among the fibers, so that the antibacterial blended yarn with continuous distribution characteristics and certain strength is obtained.

Compared with the prior art, the apocynum venetum fiber bundle prepared by opening apocynum venetum fibers with short fiber length and poor length uniformity is fed into the mixing carding machine, so that the apocynum venetum roll-making process is avoided, the apocynum venetum fiber bundle and the cotton fiber roll are respectively fed into the mixing carding machine in a free state and a holding state, the apocynum venetum fiber bundle and the cotton fiber roll are independently and fully opened and carded and then are mutually mixed through the carding action of the pair of carding rollers, the uniform mixing effect of the apocynum venetum fiber bundle and the cotton fiber bundle is realized, the mixing action of the apocynum venetum fiber bundle and the cotton fiber bundle is realized before the apocynum venetum fiber bundle is formed, the difficulty that the apocynum venetum fibers are difficult to be independently formed into the yarn is effectively overcome, the mixed fiber bundle is directly formed by the spinning machine with large draft, the spinning flow is reduced, and the spinning efficiency is greatly improved.

Drawings

FIG. 1 is a schematic illustration of a hybrid carding machine of the present invention;

the carding machine comprises a cotton feeding roller 1, a cotton feeding roller 2, a conveying curtain 3, a cotton feeding plate 4, a first carding roller 5, a dust removing knife 6, a carding plate 7, a third carding roller 8, a second carding roller 9, a sixth carding roller 10, a movable cover plate 11, a fiber supporting and impurity removing device 12, a seventh carding roller 13, a stripping device 14, a gathering horn mouth 15, a pressing roller pair 16, a winding can 17, a winding shaft 18, a fourth carding roller 19, a fifth carding roller 20 and a fiber supporting and short removing device.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The invention provides a production method of an antibacterial blended yarn, which is characterized in that selected cotton fibers are sequentially subjected to reciprocating cotton grabbing, weight separation, axial flow cotton opening, multi-bin cotton mixing, holding cotton opening and beating to roll to prepare a cotton fiber roll, apocynum venetum fibers are subjected to stuffy hemp pretreatment after being wetted by 2% of grease and 10% of water and then subjected to mixed cotton opening and holding cotton opening to prepare apocynum venetum fiber bundles, the cotton fiber roll and the apocynum venetum fiber bundles are simultaneously fed into a mixed carding machine, the cotton fiber roll is fed after being held by a cotton feeding roller 1 and a cotton feeding plate 3 which are of inverted structures, the cotton fiber roll receives the carding action of a first carding roller 4 which rotates anticlockwise forwards in the holding feeding process, and is continuously transferred to the first carding roller 4 along with the conveying of the cotton fibers, the cotton fibers on the first carding roller 4 are completely transferred to a second carding roller 8 which rotates anticlockwise subsequently, and realizing the opening action in the free state in the transferring process, the apocynum venetum fiber bundle is fed after being conveyed by the conveying curtain 2 after the finishing action of the cotton feeding box, receiving the carding action of the third carding roller 7 rotating anticlockwise in front in the free state of feeding at a certain pressure, the apocynum venetum fiber on the third carding roller 7 is completely transferred to the fourth carding roller 18 under the action of the fourth carding roller 18 rotating clockwise in front, realizing the opening action in the free state in the transferring process, the cotton fiber transferred under the drive of the second carding roller 8 is conveyed downwards, the apocynum venetum fiber transferred under the drive of the fourth carding roller 18 is conveyed upwards, the two fibers are then converged at the adjacent part of the second carding roller 8 and the fourth carding roller 18, realizing the carding action under the combined action of the needle clothing on the second carding roller 8 and the fourth carding roller 18 in the converging process, then, part of cotton fibers are transferred to the fourth carding roller 18 under the carding action, part of apocynum fibers are transferred to the second carding roller 8, then, the mixing action of the two fibers is realized in the transferring process, the two mixed fibers are transferred to the front cambered surface of the carding rollers along with the rotation of the second carding roller 8 and the fourth carding roller 18 and are completely stripped off by a fifth carding roller 19 which rotates anticlockwise and is adjacent to the fifth carding roller 19, the mixed fibers on the fifth carding roller 19 are completely transferred to a sixth carding roller 9 under the action of a sixth carding roller 9 which rotates clockwise in the front direction, the fibers on the sixth carding roller 9 are subjected to the carding action of card clothing of a movable cover plate 10 which rotates anticlockwise after rotating to the right upper cambered surface, and the repeated transfer of the fibers between the two card clothing is realized under the carding action, then, the connection force between the fibers is further reduced until the fibers are decomposed into a single fiber state, meanwhile, the fibers are fully and freely mixed under the carding action, the mixed fibers on the sixth carding roller 9 are subjected to the carding action of card clothing on the seventh carding roller 12 which rotates anticlockwise after being separated from the action area of the cover plate, the mixed fibers are partially transferred to the seventh carding roller 12 under the carding action and are condensed into a mixed fiber net on the seventh carding roller 12 with a small diameter, the mixed fiber net is condensed into mixed fiber raw strips through a horn mouth, the mixed fiber raw strips are gathered and drawn through doubling to obtain mixed fiber cooked strips with further improved fiber straightening parallelism, and the mixed fiber cooked strips are directly subjected to large drawing and twisting through spun yarns to obtain the antibacterial blended yarns with certain strength, and the antibacterial blended yarns specifically comprise the following steps:

the first step is as follows: making a cotton fiber roll, namely, sequentially carrying out reciprocating cotton grabbing, weight separation, axial flow cotton opening, multi-bin cotton mixing, holding cotton opening and beater rolling on the selected cotton fiber to prepare a cotton fiber roll; the double-group beater reciprocating bale plucker is adopted in the reciprocating bale plucker and comprises a bale plucker device and a fiber conveying pipe, the bale plucker device comprises a shell, the shell is of a hollow structure, one surface of the shell facing the lower side is completely open, fiber baffle rollers are arranged on the open side surface of the shell at equal intervals, the fiber baffle rollers are of a cylindrical structure, two ends of the fiber baffle rollers are respectively connected with the shell through bearings, the double-group beater is arranged inside the shell and comprises a first group of beater and a second group of beater which are horizontally arranged in parallel front and back, the first group of beater is positioned on the front side of the second group of beater, the first group of beater comprises a first pre-loosening beater and a first main bale plucker which are horizontally arranged in parallel front and back, the first pre-loosening beater is positioned on the front side of the first main plucker, the second group of beater comprises a second pre-loosening beater and a second main plucker which are horizontally arranged in parallel front and back, the second pre-opening and loosening beater is positioned at the rear side of the second main cotton grabbing beater, the first pre-opening and loosening beater, the first main cotton grabbing beater, the second pre-opening and loosening beater and the second main cotton grabbing beater have the same structure and comprise a middle roller, the middle roller is of a cylindrical structure, the diameters of the middle rollers of the first pre-opening and loosening beater and the second pre-opening and loosening beater are the same, the diameters of the middle rollers of the first main cotton grabbing beater and the second main cotton grabbing beater are the same, the diameters of the middle rollers of the first pre-opening and loosening beater and the second pre-opening and loosening beater are smaller than the diameters of the middle rollers of the first main cotton grabbing beater and the second main cotton grabbing beater, the middle rollers of the first pre-opening and loosening beater and the first main cotton grabbing beater keep rotating in the anticlockwise direction, the middle rollers of the second pre-opening and loosening beater and the second main cotton grabbing beater keep rotating in the clockwise direction, needle cloth is arranged on the middle roller, and the densities of the needle cloth of the teeth of the first pre-opening and the second pre-opening and loosening beater are the same, when the cotton picking device moves forwards along the discharged cotton bale, the first group of beater acts on the cotton fibers in the main tube, the second group of beater acts on the cotton fibers to play an auxiliary role, and at the same time, when a small part of the pre-opened cotton fibers on the first pre-opened cotton beater acts on the cotton fibers to be picked, the second group of beater acts on the cotton fibers to be picked, and the main cotton fibers and the second group of beater act on the cotton fibers to be picked, so that a small part of the pre-opened cotton fibers on the cotton fibers to be picked enter the cotton bale, and the main cotton fibers and the second group of beater act on the cotton fibers to be picked, and the cotton fibers are taken out under the action of the second pre-opened cotton bale, so that the cotton fibers are taken by the first group of beater and the second group of beater, and the cotton fibers are taken by the second group of beater, and the main cotton picking action of the cotton fibers and the second group of beater acts on the cotton fibers to be picked, and the cotton fibers are taken by the cotton picking device under the action of the second group of beater, so that the cotton fibers are taken after the cotton bale is loosened, and the main cotton fibers are taken by the second group of the cotton picking device, the second group of beaters mainly act on the cotton fibers, the first group of beaters assist the cotton fibers, the card clothing on the second pre-loosening beater correspondingly pre-loosening the inserted cotton fibers at the moment, the cotton fibers are partially loosened under the pre-loosening action, meanwhile, a small part of the cotton fibers are grabbed by the second pre-loosening beater and then enter the fiber conveying pipe under the negative pressure action, the pre-loosened cotton fibers generate corresponding main grabbing action under the action of the card clothing on the second main cotton grabbing beater, the majority of the cotton fibers are grabbed by the second main cotton grabbing beater and then enter the fiber conveying pipe under the negative pressure action under the main grabbing action, the opening action on the cotton fibers is realized under the main grabbing action, a small part of the cotton fibers which are not grabbed by the second group of beaters sequentially realize the actions of opening and grabbing in the pipe under the actions of the first main cotton grabbing beater and the first pre-loosening beater, and the cotton fibers entering the cotton conveying pipe are conveyed to the front of the cotton conveying machine table under the action of the negative pressure fibers; in the heavy object separation, the captured cotton fiber flow moves at a high speed in a bent pipeline under the drive of airflow, and the bending angle of the pipeline along the movement direction of the cotton fiber is greater than 90 degrees, so that heavy object impurities in the cotton fiber are thrown out under the action of large movement inertia of the heavy object impurities at the bent part due to centrifugal force, and then the heavy object and the cotton fiber are separated; in the axial flow cotton opening process, the cotton fiber flow moves forwards along the axial direction of the carding roller under the action of negative pressure and rotates along the axial direction of the circumferential direction, and the carding card clothing is arranged on the carding roller, and the rotating direction of the carding roller is opposite to the rotating direction of the cotton fiber flow, so that the cotton fiber flow is beaten by the card clothing on the carding roller, and then the cotton fiber flow is opened for a plurality of times; in the multi-bin cotton mixing, cotton fibers flow through a conveying pipeline and are conveyed into 6-8 high cotton bins at random, so that a cotton storage process in the cotton bins is realized, the cotton fibers in the cotton bins for initializing cotton storage are output under the driving of a cotton feeding roller 1, the output cotton fibers are conveyed through bent pipes with different lengths and then are converged into a fiber layer with a certain height on a conveying curtain 2, the random mixing effect is realized due to the different path lengths in the conveying process, the fiber layer is driven by the conveying curtain 2 and then is contacted with a cotton grabbing curtain under certain pressure, and therefore the cotton grabbing curtain can grab the cotton fibers simultaneously along the thickness direction of the fiber layer, the mixing in the grabbing of the fiber layer with transverse layering along the longitudinal direction is realized, and the opening effect on the cotton fibers is realized in the conveying process; in holding and opening cotton, cotton fibers are gathered together through a cotton guide roller after being uniformly arranged in a high cotton box, then are held and output by a cotton feeding roller 1, the cotton fibers are beaten by a sawtooth card clothing carding roller on the surface which rotates anticlockwise in the holding state in the output process, so that the holding and opening effects on the cotton fibers are realized, the held and opened cotton fibers are transferred to the carding roller, the impurities in the cotton fibers are removed under the action of dust bars which are arranged at equal intervals below the carding roller in the process of driving and conveying by the carding roller, meanwhile, the supporting effect on the rotating fibers is realized through the dust bars, and then the opened cotton fibers are smoothly output; in the process of rolling, cotton fiber flow is firstly controlled and adjusted by a balance roller to realize uniform feeding, the uniformly fed cotton fibers are loosened after the striking action of a comprehensive beater, and are condensed into a roll shape after the negative pressure adsorption action of a pair of upper adsorption condensation rollers and lower adsorption condensation rollers, which are distributed on the surface and have certain smoothly distributed small holes and negative pressure inside, and then the upper roll and the lower roll are combined and enter a rolling device consisting of four pressing rollers arranged in an up-down state to realize the rolling, and the upper roll and the lower roll are combined and then conveyed along an S-shaped route of the rolling device, so that the three rolling processes are realized;

the second step is that: the method comprises the following steps of (1) preparing a bundle of apocynum venetum fibers, namely spraying 2% of grease and 10% of water on the apocynum venetum fibers for wetting, then performing pre-treatment on the apocynum venetum fibers by covering, and then performing mixed opening and holding opening in sequence to prepare the bundle of the apocynum venetum fibers; in the mixed opening cotton, the pre-treated apocynum venetum fibers are sent into a cotton box, the apocynum venetum fibers are swung and output by a swinging bucket at the bottom of the cotton box after passing through the cotton box with the fiber height controlled within a certain range, the swing output apocynum venetum fibers are uniformly laid on a conveying curtain 2, so that a layering structure with a certain thickness is formed on the conveying curtain 2 to obtain an apocynum venetum fiber layer, the apocynum venetum fiber layer is driven by the conveying curtain 2 to be in contact with a rotating grabbing cotton curtain which is arranged in a certain inclined direction under a certain pressure, a grabbing cotton corner nail is arranged on the grabbing cotton curtain, the grabbing cotton corner nail simultaneously grabs the fibers in the fiber layer along the thickness direction of the fiber layer, so that the longitudinal simultaneous grabbing of the fiber layer which is transversely layered is realized in the grabbing process, the random mixing effect among the fibers of the fiber layer is realized, the fibers grabbed by the cotton curtain are conveyed upwards along the grabbing cotton curtain, the thicker apocynum venetum fibers are peeled off and re-hammered back onto the fiber layer under the action of a uniform cotton roller at the grabbing roller at the top of the grabbing curtain, the apocynum venetum fibers, the uniform vibration control is realized, the uniform vibration control of the grabbing of the apocynum venetum fibers is realized, the apocynum venetum fibers is finally, and the apocynum venetum fibers are uniformly vibrated in the grabbing under the uniform vibration effect of the grabbing under the apocynum venetum fiber grabbing under the apocynum venetum fiber box, and the apocynum venetum fiber is realized, and the uniform vibration of the grabbing curtain is uniformly output in the apocynum venetum fiber layer is realized at one step; in the holding and opening process, the apocynum venetum fibers are uniformly arranged in a high cotton box and gathered by a cotton guide roller, then are held and output by a cotton feeding roller 1, the apocynum venetum fibers are subjected to the puncture action of a carding roller with card wire clothing arranged on the surface, which rotates anticlockwise, in the holding state in the output process, so that the holding and carding action on the apocynum venetum fibers is realized, the apocynum venetum fibers after being held and carded are transferred onto the carding roller, the impurity in the apocynum venetum fibers is removed and short fibers are removed under the action of dust bars arranged at equal intervals below the carding roller in the driving and conveying process of the carding roller, meanwhile, the supporting action on the rotating fibers is realized through the dust bars, and then the smooth output of the carded apocynum venetum fibers is realized;

the third step: mixing and slivering, simultaneously feeding the cotton fiber roll prepared in the first step and the apocynum venetum fiber bundle prepared in the second step into a mixing and carding machine, and mixing by the carding machine to prepare a mixed sliver; the device sequentially comprises a transmission feeding device, a carding and mixing device, a transfer carding device, a condensation net-forming device and a strip winding device along the movement direction of fibers in a mixing carding machine from front to back, wherein the transmission feeding device comprises an upper holding feeding device and a lower conveying feeding device, the upper holding feeding device comprises a cotton feeding roller 1 and a cotton feeding plate 3, the cotton feeding roller 1 is positioned at the lower part of the cotton feeding plate 3, the cotton feeding plate 3 is of an arc-shaped structure, the cotton feeding roller 1 is made of rubber materials, the cotton feeding roller 1 and the cotton feeding plate 3 are in tight press contact, and the arc-shaped structure of the cotton feeding plate 3 is arranged, so that the press acting force between the cotton feeding roller 1 and the cotton feeding plate 3 is gradually increased, the lower conveying feeding device comprises a conveying curtain 2, the conveying curtain 2 comprises conveying rollers which are arranged at equal intervals, the conveying curtain is wound on the conveying rollers, the conveying curtain is of a crawler belt structure, certain bulges are arranged on the conveying curtain, so that a certain friction acting force is kept between the conveying curtain and the fibers on the conveying curtain, the conveying roller is driven by a motor to rotate and then drives the conveying curtain to rotate, the carding and mixing device comprises an upper carding device, a lower carding device and a mixing stripping device 13, the upper carding device comprises a first carding roller 4 and a second carding roller 8 which are adjacent, the lower carding device comprises a third carding roller 7 and a fourth carding roller 18 which are adjacent, the mixing stripping device 13 comprises a fifth carding roller 19, the first carding roller 4, the second carding roller 8, the third carding roller 7, the fourth carding roller 18 and the fifth carding roller 19 have the same structure and comprise intermediate rollers, the intermediate rollers are cylindrical solid structures, carding card clothing is arranged on the intermediate rollers, the carding card clothing on the first carding roller 4 and the carding roller 8 is kept in parallel structural configuration, the carding card clothing on the third carding roller 7 and the carding roller 18 are kept in parallel structural configuration, a certain distance is kept between the first carding roller 4 and the third carding roller 7, a fiber supporting and impurity removing device 11 is arranged at the lower part of the first carding roller 4, the fiber supporting and impurity removing device 11 comprises a dust removing knife 5 and a carding plate 6, the dust removing knife 5 is positioned at the rear side of the carding plate 6, the dust removing knife 5 is of a triangular structure and is arranged at the lower part of the first carding roller 4 at a certain inclination angle, the carding plate 6 is of an arc-shaped structure, the distance between the carding plate 6 and the first carding roller 4 is gradually reduced along the moving direction of fibers on the carding plate 6, carding card clothing is arranged on the carding plate 6, the carding card clothing on the carding plate 6 and the carding card clothing on the first carding roller 4 are in a crossed structural configuration, a fiber supporting and short removing device 20 is arranged at the lower part of the third carding roller 7, the fiber supporting and short removing device 20 comprises small leakage bottoms which are of arc-shaped structures, and the small leakage bottoms comprise front connecting rods and rear connecting rods of the arc-shaped structures, the carding device comprises a front connecting rod, a rear connecting rod, carding strips and a transfer carding device, wherein the front connecting rod and the rear connecting rod are arranged at intervals of different radians, carding card clothing is arranged on the carding strips, the carding card clothing on the carding strips and the carding card clothing on a second carding roller 8 keep a crossed structural configuration, the distance between adjacent carding strips is firstly reduced and then increased along the moving direction of fibers on a small under-screen, the distance between the small under-screen and the second carding roller 8 is firstly increased and then reduced along the moving direction of the fibers on the small under-screen, a fifth carding roller 19, the second carding roller 8 and a fourth carding roller 18 are arranged in a state of keeping crossed cambered surfaces, the carding card clothing of the fifth carding roller 19 and the carding card clothing of the second carding roller 8 and the fourth carding roller 18 keep a parallel structural configuration, a fiber holding impurity removing device 11 is arranged at the bottom of the fifth carding roller 19, the transfer carding device comprises a sixth carding roller 9, the sixth carding roller 9 and the fifth carding roller 19 are arranged in a close-up state, the carding card clothing of the fifth carding roller 19 and the carding card clothing of the sixth carding roller 9 are arranged in a parallel structure, a movable cover plate 10 is arranged at the upper part of the sixth carding roller 9, the movable cover plate 10 comprises a front annular chain and a rear annular chain, carding pieces are arranged between the front annular chain and the rear annular chain at equal radian intervals, carding card clothing is arranged on the carding pieces, the intervals between the carding pieces and the sixth carding roller 9 are kept completely consistent, the front annular chain and the rear annular chain are encircled on a driving roller and are driven by the driving roller to rotate circularly, the carding card clothing on the carding pieces and the carding card clothing on the sixth carding roller 9 are arranged in a crossed structure, a condensation net forming device comprises a seventh carding roller 12, the seventh carding roller 12 and the sixth carding roller 9 are arranged in a close-up state, the carding card clothing of the seventh carding roller 12 and the carding card clothing of the sixth carding roller 9 are arranged in a parallel structure, the diameter of the seventh carding roller 12 is far smaller than that of the sixth carding roller 9, an stripping device 13 is arranged on the cambered surface half part close to the front side of the seventh carding roller 12, the stripping device 13 comprises a stripping roller and a pressing roller pair, a sliver forming winding device comprises a gathering bell mouth 14, a pressing roller pair 15 and a winding sliver can 16, a winding shaft 17 is arranged on the winding sliver can 16, the winding sliver can 16 is a cylindrical can with a hollow structure, the top end of the winding sliver can 16 is open, the bottom of the winding sliver can 16 is arranged on a rotating sheet and is driven by the rotating sheet to rotate, a spring part is arranged in the winding sliver can 16, a sealing cover is supported and connected on the spring part, and is a circular sheet; when in use, the cotton fiber roll and the apocynum venetum fiber bundle are simultaneously fed into the mixing carding machine, at the moment, the cotton fiber roll is fed after being held by the cotton feeding roller 1 and the cotton feeding plate 3 with inverted structures, the holding acting force on the cotton fiber roll is gradually increased along with the gradual feeding of the cotton fiber roll in the feeding process, the cotton fiber roll is output gradually downwards in a bending way by the cotton feeding plate 3 with an arc-shaped structure, then the cotton fiber roll is sent into the first carding roller 4 in a tangential direction to be held and opened, the carding and opening action of the first carding roller 4 rotating anticlockwise in front is received in the holding and feeding process of the cotton fiber roll, the carding card clothing of the first carding roller 4 firstly strikes the cotton fiber roll in the carding process to realize the opening of the cotton fiber roll, then the carding card clothing is inserted into the loosened cotton fiber roll after the opening to divide the cotton fiber roll, the carding card clothing is more densely inserted between the cotton fiber rolls along with the continuous feeding of the cotton fiber rolls so as to realize more fine carding to obtain cotton fiber bundles, the cotton fiber bundles obtained by carding and opening along with the continuous conveying of the cotton fiber rolls are completely transferred onto the first carding roller 4 after being separated from the holding action, the cotton fibers transferred onto the first carding roller 4 realize the rotation around the circumferential direction of the first carding roller 4 under the supporting of the dust removing knife 5 and the carding plate 6, the dust removing knife 5 realizes the separation between impurities on the surface of the airflow layer and the cotton fibers inside the airflow layer through the separation action of airflow on the surface of the first carding roller 4 in the supporting process, the carding card clothing on the carding plate 6 and the carding card clothing on the first carding roller 4 generate mutual tearing action on the fibers so as to realize the carding action on the fibers, the cotton fiber bundle on the first carding roller 4 is completely transferred to the second carding roller 8 under the action of the second carding roller 8 which rotates anticlockwise in the front direction, the carding card clothing on the first carding roller 4 generates an outward pushing action on the cotton fiber bundle and the carding card clothing on the second carding roller 8 generates an inward pulling action on the cotton fiber bundle in the transfer process, the fibers in the cotton fiber bundle are gradually transferred to the second carding roller 8 from the first carding roller 4 under the combined action of the outward pushing action and the inward pulling action on the cotton fiber bundle, then the fibers in the fiber bundle are subjected to a dispersion action in the gradual transfer process, so that the opening action in a free state in the transfer process is realized, the apocynum venetum fiber bundle is conveyed by the conveying curtain 2 after the arrangement action of the cotton feeding box and then fed, the cotton feeding box comprises an upper uniform arrangement cotton box and a lower uniform output cotton box, the upper uniform arrangement cotton box is connected with the lower uniform output cotton box through a swinging hopper device, the bottom of the lower uniform output cotton box is provided with a uniform output roller pair, the uniform output roller comprises an upper uniform output roller and a lower uniform output roller, pressure sensing devices are arranged at equal intervals along the length direction of the upper uniform output roller, each pressure sensing device is connected with an average pressure device, the average pressure device is connected with a driving motor of the lower uniform output roller, a apocynum venetum fiber bundle firstly enters the upper uniform finishing cotton box, the height of the apocynum venetum fibers in the cotton box is always kept within a certain range under the action of a photoelectric tube arranged in the upper uniform finishing cotton box, so that the apocynum venetum fibers in the upper uniform finishing cotton box are output into the lower uniform output cotton box by a swinging hopper under constant pressure, and uniform laying of the apocynum venetum fibers is realized in the lower uniform output cotton box, the apocynum venetum fiber layer is gathered by the uniform output roller and then output, in the output process, each pressure sensing device on the upper uniform output roller detects the reverse acting pressure of the fiber bundle at the corresponding position on the upper uniform output roller, the detected pressure value is transmitted into the average pressure device to be calculated to obtain the average pressure value of the apocynum venetum fiber fed along the length direction of the upper uniform output roller, when the average pressure value is larger than the set pressure value, the thickness of the output apocynum venetum fiber bundle is over-large, at the moment, the rotating speed of the uniform output roller under the control of the motor is driven to be reduced, the feeding of the apocynum venetum fiber bundle is reduced, when the average pressure value is smaller than the set pressure value, the thickness of the output apocynum venetum fiber bundle is over-small, at the moment, the rotating speed of the uniform output roller under the control of the motor is driven to be increased, and the feeding of the apocynum venetum fiber bundle is increased, then uniform output of the apocynum venetum fibers is realized, apocynum venetum fiber bundles which are uniformly output are fed after being conveyed by the conveying curtain 2, so that the apocynum venetum fiber bundles are subjected to carding action of a third carding roller 7 which rotates anticlockwise in front under a certain pressure in a free state, the apocynum venetum fiber bundles are fed into the third carding roller 7 in a vertical direction to be subjected to free opening in the carding process, carding card clothing of the third carding roller 7 first grabs the apocynum venetum fiber bundles with a certain thickness in the free opening process, the opening action among fibers with a certain thickness is realized in the grabbing process, the grabbed apocynum venetum fibers are gradually dispersed on the circumferential surface of the third carding roller 7 which rotates at a high speed, then the progressive dispersion and opening action of the apocynum venetum fibers are realized, and the carding card clothing is gradually inserted among the fibers along with the dispersion of the apocynum venetum fibers on the surface of the third carding roller 7, then, the careful carding function of the apocynum venetum fibers is realized, the apocynum venetum fibers transferred to the third carding roller 7 rotate around the circumferential direction of the third carding roller 7 under the support of a small drain bottom, the carding card clothing on the carding strips on the small drain bottom and the carding card clothing on the third carding roller 7 generate mutual tearing function on the fibers in the support process so as to realize the carding function on the fibers, the apocynum venetum fibers with short length fall through the space between the carding strips in the carding process so as to realize the separation and removal function on the apocynum venetum short fibers, the apocynum venetum fiber bundles on the third carding roller 7 are completely transferred to the fourth carding roller 18 under the function of the fourth carding roller 18 which rotates anticlockwise in the front direction, the carding card clothing on the third carding roller 7 generates an outward pushing acting force on the apocynum venetum fiber bundles and the carding card clothing on the fourth carding roller 18 generates an inward pulling acting force on the apocynum venetum fiber bundles in the transfer process, under the combined action of the first carding roller and the second carding roller, the fiber in the apocynum fiber bundle is gradually transferred to the fourth carding roller 18 from the third carding roller 7, then the discretization of the fiber in the fiber bundle is realized in the gradual transfer process, so that the opening action in the free state is realized in the transfer process, the cotton fiber transferred under the drive of the second carding roller 8 is downwards transferred, the apocynum fiber transferred under the drive of the fourth carding roller 18 is upwards transferred, the two fibers are then converged at the adjacent parts of the second carding roller 8 and the fourth carding roller 18, the carding action is realized under the combined action of the carding card clothing on the second carding roller 8 and the carding card clothing on the fourth carding roller 18 in the converging process, the carding card clothing on the second carding roller 8 generates an internal pulling action force on the cotton fiber bundle, the carding card clothing on the fourth carding roller 18 generates an internal pulling action force on the apocynum fiber bundle, then, part of cotton fibers are transferred to a fourth carding roller 18 under the carding action, part of apocynum fibers are transferred to a second carding roller 8 under the carding action, then, the mixing action of the two fibers is realized in the transferring process, the mixed two fibers are transferred to the front cambered surface of the carding roller along with the rotation of the second carding roller 8 and the fourth carding roller 18 and are completely stripped off by a fifth carding roller 19 which is adjacent to the second carding roller 8 and rotates anticlockwise, the mixing action of the two fibers is further realized in the stripping and transferring process, the mixed fibers on the fifth carding roller 19 are then completely transferred to the sixth carding roller 9 under the action of a sixth carding roller 9 which rotates clockwise, the fibers on the sixth carding roller 9 are subjected to the carding action of carding card clothing on a carding plate of a movable cover plate 10 which rotates anticlockwise after rotating to the right upper cambered surface, the mixed fibers are repeatedly transferred between the sixth carding roller 9 and the movable cover plate 10 under the carding action, the repeated carding action of the mixed fibers is further subjected to the carding action of carding card clothing on the carding plate of the movable cover plate 10 which rotates anticlockwise, the carding roller, the mixed fibers are repeatedly transferred, the mixed fibers are further transferred to a fine carding and are separated from a mixed fiber delivery web under the carding roller 12, the carding action of the second carding roller 12, the mixed fiber delivery of the second carding roller, the mixed fiber is realized, the mixed fiber is repeatedly transferred on the second carding roller 9 and is repeatedly transferred to a fine carding roller 12, the fine carding roller 12, the fine carding roller, the mixed fiber sliver is pressed, shaped and finished by the compaction roller pair 15, and is continuously wound in the winding can 16 after the winding shaft 17 and the winding can 16 cooperatively rotate;

the fourth step: finishing, namely drawing the mixed fiber raw slivers prepared in the third step, gathering and drafting the drawn slivers to obtain mixed fiber drawn slivers with further improved fiber straightening parallelism; two-pass drawing is adopted, 6 mixed fiber raw slivers are fed together in the first-pass drawing, the fed 6 mixed fiber raw slivers are gathered firstly, details and nubs on each mixed fiber raw sliver are combined randomly in the gathering process, so that the improvement of the weight unevenness of the slivers is realized in the random combining process, the gathered slivers are reduced in linear density under the drafting action of a drafting system to obtain mixed fiber semi-finished slivers, and the improvement of the fiber straightness in the slivers is realized in the drafting process; in the second drawing, 8 mixed fiber semi-finished slivers are fed together, and the fed 8 mixed fiber semi-finished slivers are gathered and drafted in sequence to obtain mixed fiber semi-finished slivers;

the fifth step: forming yarn, namely directly carrying out large drafting and twisting on the mixed fiber drawn sliver prepared in the fourth step through spun yarn to obtain antibacterial blended yarn with certain strength; in the large drafting process, the mixed fiber drawn sliver is drafted through a drafting system consisting of four rollers and four long and short aprons, the fibers in the mixed drawn sliver are controlled by an external control force field formed by the gripping acting force between the rollers and a friction force field formed by a apron jaw in the drafting process, so that the fibers in the mixed drawn sliver can realize stable and concentrated speed change in a drafting area, the linear density is reduced in the speed change process, fiber strands with the required linear density are obtained after drafting, the fiber strands can realize mutual transfer among the fibers in the strands under the action of twisting twist, mutual intertwining is realized among the fibers in the transfer process, a certain cohesive acting force is generated among the fibers, and the antibacterial blended yarn with a continuous distribution characteristic and certain strength is obtained.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hybrid carding machine, characterized by: sequentially comprises a conveying feeding device and a carding mixer from front to back; the device comprises a transfer carding device, a condensation web forming device and a strip forming winding device; the conveying and feeding device comprises an upper holding and feeding device and a lower conveying and feeding device; the upper holding feeding device comprises a cotton feeding roller (1) and a cotton feeding plate (3), the cotton feeding roller (1) is located at the lower part of the cotton feeding plate (3), the cotton feeding plate (3) is of an arc-shaped structure, the cotton feeding roller (1) and the cotton feeding plate (3) are in tight press contact, and due to the arrangement of the arc-shaped structure of the cotton feeding plate (3), the press acting force between the cotton feeding roller (1) and the cotton feeding plate (3) is gradually increased, the lower conveying feeding device comprises a conveying curtain (2), the conveying curtain (2) comprises conveying rollers which are arranged at equal intervals, a conveying curtain is wound on the conveying rollers, the conveying curtain is of a crawler belt structure, certain bulges are arranged on the conveying curtain, so that certain friction acting force is kept between the conveying curtain and fibers on the conveying curtain, and the conveying rollers are driven by a motor to rotate so as to drive the conveying curtain to rotate; the carding and mixing device comprises an upper carding device, a lower carding device, a mixed stripping device, the upper carding device comprises a first carding roller (4) and a second carding roller (8) which are adjacent, the lower carding device comprises a third carding roller (7) and a fourth carding roller (18) which are adjacent, the mixed stripping device comprises a fifth carding roller (19), the first carding roller (4), the second carding roller (8), the third carding roller (7), the fourth carding roller (18), the fifth carding roller (19) has the same structure, the mixed stripping device comprises intermediate rollers, carding card clothing is arranged on the intermediate rollers, the carding card clothing on the first carding roller (4) and the second carding roller (8) keeps parallel structure configuration, the carding card clothing on the third carding roller (7) and the fourth carding roller (18) keeps parallel structure configuration, a certain distance is kept between the first carding roller (4) and the third carding roller (7), a fiber supporting and impurity removing device (11) is arranged on the lower portion of the first carding roller (4), the fiber supporting and impurity removing device (11) comprises a first carding blade (5) and a triangular carding blade (6) which gradually reduces the inclination angle of the carding blade (6) on the lower portion of the carding roller (6) side of the carding plate (6), carding card clothing is arranged on a carding plate (6), the carding card clothing on the carding plate (6) and carding card clothing on a first carding roller (4) keep a cross structure configuration, a fiber supporting and short removing device (20) is arranged at the lower part of a third carding roller (7), the fiber supporting and short removing device (20) comprises a small under-screen which is of an arc structure and comprises a front connecting rod and a rear connecting rod of the arc structure, carding strips are arranged between the front connecting rod and the rear connecting rod at unequal radian intervals, carding card clothing is arranged on the carding strips, the carding card clothing on the carding strips and the carding card clothing on a second carding roller (8) keep a cross structure configuration, the distance between adjacent carding strips is reduced and then increased along the moving direction of fibers on the small under-screen, the distance between the small under-screen and the second carding roller (8) is increased and then reduced along the moving direction of the fibers on the small under-screen, a fifth carding roller (19), a second carding roller (8), a fourth carding roller (18) and a fourth carding roller (18) are arranged in parallel with a carding card roller (18) and a carding roller holding structure configuration, and a fifth carding roller (11) which are arranged in parallel with a carding card clothing on the fourth carding roller; the transfer carding device comprises a sixth carding roller (9), the sixth carding roller (9) and the fifth carding roller (19) are arranged in a close state, the carding card clothing of the fifth carding roller (19) and the carding card clothing of the sixth carding roller (9) are arranged in a parallel structure, a movable cover plate (10) is arranged on the upper portion of the sixth carding roller (9), the movable cover plate (10) comprises a front annular chain and a rear annular chain, carding pieces are arranged between the front annular chain and the rear annular chain at equal radian intervals, carding card clothing is arranged on the carding pieces, the distance between each carding piece and the sixth carding roller (9) is kept completely consistent, the front annular chain and the rear annular chain encircle the driving roller and are driven by the driving roller to rotate circularly, and the carding card clothing on the carding pieces and the carding card clothing on the sixth carding roller (9) are arranged in a crossed structure; the coagulation web-forming device comprises a seventh carding roller (12), the seventh carding roller (12) and a sixth carding roller (9) are arranged in a close-up state, carding card clothing of the seventh carding roller (12) and carding card clothing of the sixth carding roller (9) are arranged in a parallel structure, the diameter of the seventh carding roller (12) is smaller than that of the sixth carding roller (9), a stripping device (13) is arranged at the cambered surface half part close to the front side of the seventh carding roller (12), and the stripping device (13) comprises a stripping roller and a pinch roller pair; the strip winding device comprises a gathering horn mouth (14), a pressing roller pair (15) and a winding can (16), a winding shaft (17) is arranged on the winding can (16), the bottom of the winding can (16) is arranged on a rotating sheet and is driven by the rotating sheet to rotate, a spring piece is arranged in the winding can (16), a sealing cover is in supporting connection with the spring piece, and the sealing cover is a circular sheet.

2. The method for producing an antibacterial blended yarn based on a hybrid carding machine as claimed in claim 1, characterized by comprising the steps of: the method comprises the following steps: making a cotton fiber roll, namely, sequentially carrying out reciprocating cotton grabbing, weight separation, axial flow cotton opening, multi-bin cotton mixing, holding cotton opening and beater rolling on the selected cotton fiber to prepare a cotton fiber roll; step two: the method comprises the following steps of (1) preparing a bundle of apocynum venetum fibers, namely spraying 2% of grease and 10% of water on the apocynum venetum fibers for wetting, then carrying out apocynum venetum pretreatment, and then carrying out mixed opening and holding opening in sequence to prepare the apocynum venetum fiber bundle; step three: mixing and slivering, namely simultaneously feeding the cotton fiber roll prepared in the step one and the apocynum venetum fiber bundle prepared in the step two into a mixing and carding machine, and mixing by the carding machine to prepare a mixed sliver; step four: performing slivering, namely gathering and drafting the mixed fiber raw slivers prepared in the step three through drawing to obtain mixed fiber drawn slivers with the fiber straightening parallelism further improved; step five: and (4) yarn forming, namely directly carrying out large drafting and twisting on the mixed fiber drawn sliver prepared in the step four through spun yarn to obtain the antibacterial blended yarn with certain strength.

3. The method for producing an antibacterial blended yarn as claimed in claim 2, wherein: in the step, the selected cotton fibers are arranged at two sides of a double-beater reciprocating plucker, the plucker is pressed downwards to generate certain pressure on the cotton bale, then the fibers positioned at the upper part of the cotton bale are extended into the plucker through a gap between fiber baffle rollers, when the plucker moves along the discharged cotton bale from back to front, the first group of beaters generate main action on the cotton fibers, the second group of beaters generate auxiliary action on the cotton fibers, the card clothing on the first pre-loosening beater generates corresponding pre-loosening action on the extended cotton fibers at the moment, the cotton fibers are partially loosened under the pre-loosening action, meanwhile, a small part of the cotton fibers are grabbed by the first pre-loosening beater and then enter a fiber conveying pipe under the action of negative pressure, and the pre-loosened cotton fibers generate corresponding main grabbing action under the action of the card clothing on the first main plucker, the method comprises the following steps that under the action of main grabbing, most cotton fibers are grabbed by a first main cotton grabbing beater and then enter a fiber conveying pipe under the action of negative pressure, meanwhile, under the action of main grabbing, opening and grabbing of the cotton fibers are achieved, and when a cotton grabbing device moves from front to back along a discharged cotton bale, the second group of beaters mainly act on the cotton fibers and the first group of beaters assist the cotton fibers, so that the card clothing on the second pre-loosening beater has a corresponding pre-loosening effect on the stretched cotton fibers, the cotton fibers are partially loosened and loosened under the pre-loosening effect, and meanwhile, a small part of the cotton fibers are grabbed by the second pre-loosening beater and then enter the fiber conveying pipe under the action of negative pressure, the pre-opened cotton fibers generate a corresponding main grabbing effect under the action of the card clothing on the second main cotton grabbing beater, most of the cotton fibers are grabbed by the second main cotton grabbing beater and then enter the fiber conveying pipe under the action of negative pressure under the action of the main grabbing, meanwhile, the opening effect on the cotton fibers is realized under the action of the main grabbing, and then, the opening and grabbing effects are realized under the action of the first main cotton grabbing beater and the first pre-opening beater of the first group of beaters sequentially on a small part of the cotton fibers which are not grabbed by the second group of beaters, and the cotton fibers entering the fiber conveying pipe are conveyed into a front machine table through the cotton conveying pipe under the action of the negative pressure; in the heavy object separation, the captured cotton fiber flow moves at a high speed in a bent pipeline under the drive of airflow, and the bending angle of the pipeline is larger than 90 degrees, so that heavy object impurities in the cotton fibers are thrown out at the bent part under the action of centrifugal force under the large motion inertia of the heavy object impurities, and then the heavy object and the cotton fibers are separated; in the axial flow cotton opening process, the cotton fiber flow moves forwards along the axial direction of the carding roller under the action of negative pressure and rotates along the axial direction of the circumferential direction, and the carding card clothing is arranged on the carding roller, and the direction of the rotation speed of the carding roller is opposite to the rotation direction of the cotton fiber flow, so that the cotton fiber flow is beaten by the card clothing on the carding roller, and then the multiple opening action on the cotton fiber flow is realized; in the multi-bin cotton mixing, cotton fibers flow through a conveying pipeline and are conveyed into 6-8 high cotton bins at random, so that a cotton storage process in the cotton bins is realized, the cotton fibers in the cotton bins for initializing cotton storage are output under the driving of a cotton feeding roller, the output cotton fibers are conveyed through bent pipes with different lengths and then are converged into a fiber layer with a certain height on a conveying curtain, the random mixing action is realized due to the different path lengths in the conveying process, the fiber layer is driven by the conveying curtain and then is contacted with a cotton grabbing curtain under certain pressure, so that the cotton grabbing curtain can grab the cotton fibers simultaneously along the thickness direction of the fiber layer, the mixing in the grabbing of the fiber layer which is transversely layered along the longitudinal direction is realized, and the opening action on the cotton fibers is realized in the conveying process; during holding and opening, cotton fibers are gathered together through a cotton guide roller after being uniformly arranged by a high cotton box, then are held and output by a cotton feeding roller, the cotton fibers are beaten by a sawtooth card clothing carding roller on the surface which rotates anticlockwise in the holding state in the output process, so that the holding and opening effects on the cotton fibers are realized, the held and opened cotton fibers are transferred to the carding roller, the impurities in the cotton fibers are removed under the action of dust bars which are arranged at equal intervals below the carding roller in the process of driving and conveying by the carding roller, meanwhile, the rotating fibers are supported by the dust bars, and then the opened cotton fibers are smoothly output; during the beating hand coiling, the cotton fiber flow is firstly controlled and adjusted by a balance roller to realize uniform feeding, the uniformly fed cotton fiber flows through the beating action of the comprehensive beating hand to be loosened, and is condensed into a roll shape through the negative pressure adsorption action of a pair of upper adsorption condensation rollers and lower adsorption condensation rollers, the inner parts of which are provided with negative pressure and are distributed with small holes which are distributed according to certain smooth arrangement, then the wound cotton fiber is wound and combined into a winding pressing device consisting of four pressing rollers which are distributed in an up-down state to realize pressing coiling, and the wound cotton fiber is conveyed along a winding pressing device in an S-shaped route after being combined in the process of winding and combining, so that the three winding pressing processes are realized.

4. The method for producing an antimicrobial blended yarn as claimed in claim 2, wherein: in the second step, in the step of cotton mixing and opening, the pre-treated apocynum venetum fiber is sent into a cotton box, the apocynum venetum fiber is output in a swinging way by a swinging bucket at the bottom of the cotton box after passing through the cotton box with the fiber height controlled within a certain range, the apocynum venetum fiber output in a swinging way is uniformly paved on a conveying curtain, so that a paving layer structure with certain thickness is formed on the conveying curtain to obtain an apocynum venetum fiber layer, the apocynum venetum fiber layer is driven by the conveying curtain to be in contact with a rotating cotton grabbing curtain with certain inclined direction under certain pressure, cotton grabbing pins are arranged on the cotton grabbing curtain, the fibers in the fiber layer are grabbed simultaneously along the thickness direction of the fiber layer by the cotton grabbing pins, therefore, the longitudinal simultaneous grabbing of the transversely-laid fiber layers is realized in the grabbing process, the random mixing effect among fibers of the fiber layers is realized, the fibers grabbed by the grabbing cotton curtain are conveyed upwards along the grabbing cotton curtain, the apocynum venetum fibers with thick parts are peeled off under the action of a cotton equalizing roller at the top of the grabbing cotton curtain and are then driven back to the fiber layers again, the grabbed apocynum venetum fibers are uniformly controlled, the apocynum venetum fibers grabbed by the grabbing cotton curtain are finally taken into a vibration cotton box, the apocynum venetum fibers are more uniformly output under the vibration effect of the vibration cotton box, and meanwhile, the apocynum venetum fibers are further uniformly mixed under the vibration effect; in the holding and opening process, apocynum venetum fibers are gathered together through a cotton guide roller after being uniformly arranged through a high cotton box, then are held and output by a cotton feeding roller, the apocynum venetum fibers are subjected to the puncturing action of a carding roller with a card wire card clothing arranged on the surface in a counterclockwise rotating manner in the holding state in the output process, so that the holding and carding action on the apocynum venetum fibers is realized, the apocynum venetum fibers after being held and carded are transferred onto the carding roller, the impurity removal and short fiber removal in the apocynum venetum fibers are realized after the action of dust bars arranged at equal intervals below the carding roller in the process of driving and conveying by the carding roller, meanwhile, the supporting action on the rotating fibers is realized through the dust bars, and then the smooth output of the apocynum venetum fiber bundles after being carded is realized.

5. The method for producing an antibacterial blended yarn as claimed in claim 2, wherein: in the third step, the cotton fiber roll and the apocynum venetum fiber bundle are simultaneously fed into the mixing carding machine, at the moment, the cotton fiber roll is fed after being held by the cotton feeding roller (1) and the cotton feeding plate (3) with inverted structures, the holding acting force on the cotton fiber roll is gradually increased along with the gradual feeding of the cotton fiber roll in the feeding process, meanwhile, the cotton fiber roll is output gradually downwards in a bending way by the cotton feeding plate (3) with an arc-shaped structure, then the cotton fiber roll is fed into the first carding roller (4) in the tangential direction to be held and opened, the carding and opening effect of the first carding roller (4) rotating anticlockwise in front is received in the state that one end of the cotton fiber roll is held in the holding and feeding process, the carding card clothing of the first carding roller (4) firstly plays a striking effect on the cotton fiber roll so as to realize the opening of the cotton fiber roll, then the carding card clothing is inserted between the loosened cotton fiber rolls after opening so as to divide the cotton fiber rolls, the carding card clothing is more densely inserted between the cotton fiber rolls along with the continuous feeding of the cotton fiber rolls so as to realize more fine carding to obtain cotton fiber bundles, the cotton fiber bundles obtained by carding and opening are completely transferred to a first carding roller (4) after being separated from the holding effect along with the continuous conveying of the cotton fiber rolls, the cotton fibers transferred to the first carding roller (4) are supported by a dust removing knife (5) and a carding plate (6) to rotate around the circumferential direction of the first carding roller (4), and the dust removing knife (5) realizes the impurities on the surface of an airflow layer and the impurities on the surface of the airflow layer through the dividing effect on the airflow on the surface of the first carding roller (4) in the supporting process The carding card clothing on the carding plate (6) and the carding card clothing on the first carding roller (4) generate mutual tearing action on the fibers so as to realize carding action on the fibers, the cotton fiber bundles on the first carding roller (4) are completely transferred to the second carding roller (8) under the action of the second carding roller (8) which rotates anticlockwise in the front direction, the carding card clothing on the first carding roller (4) generates an outward pushing action on the cotton fiber bundles and the carding card clothing on the second carding roller (8) generates an inward pulling action on the cotton fiber bundles in the transfer process, the fibers in the cotton fiber bundles are gradually transferred to the second carding roller (8) from the first carding roller (4) under the combined action of the two, and then the effect dispersion of the fibers in the fiber bundles is realized in the gradual transfer process, thereby realizing the opening function in the free state in the transfer process, the apocynum venetum fiber bundle is conveyed by the conveying curtain (2) and then fed after the arrangement function of the cotton feeding box, the cotton feeding box comprises an upper uniform arrangement cotton box and a lower uniform output cotton box, the upper uniform arrangement cotton box is connected with the lower uniform output cotton box through a swinging hopper device, the bottom of the lower uniform output cotton box is provided with a uniform output roller pair, the uniform output roller comprises an upper uniform output roller and a lower uniform output roller, pressure sensing devices are arranged at equal intervals along the length direction of the upper uniform output roller, each pressure sensing device is connected with an average pressure device, the average pressure device is connected with a driving motor of the lower uniform output roller, the apocynum venetum fiber bundle firstly enters the upper uniform arrangement cotton box, the height of the apocynum venetum fiber in the cotton box is always kept in a certain range under the action of a photoelectric tube arranged in the upper uniform arrangement cotton box, so that the apocynum venetum fiber in the upper uniform arrangement cotton box is output to the lower uniform output cotton box by a swinging hopper under relatively constant pressure, uniform layering of the apocynum venetum fiber is realized in the lower uniform output cotton box, the apocynum venetum fiber layer is gathered by a uniform output roller and then output, in the output process, each pressure sensing device on the upper uniform output roller detects the reverse action pressure of the fiber bundle at the corresponding position on the upper uniform output roller, the detected pressure value is transmitted to the average pressure device to calculate the average pressure value of the apocynum venetum fiber fed along the length direction of the upper uniform output roller, and when the average pressure value is larger than the set pressure value, the thickness of the output apocynum venetum fiber bundle is overlarge, the rotating speed of the uniform output roller under the control of the driving motor is reduced at the moment, so that the feeding of the apocynum venetum fiber clusters is reduced, the thickness of the output apocynum venetum fiber clusters is too small when the average pressure value is smaller than the set pressure value, the rotating speed of the uniform output roller under the control of the driving motor is increased at the moment, so that the feeding of the apocynum venetum fiber clusters is increased, the uniform output of the apocynum venetum fibers is further realized, the uniformly output apocynum venetum fiber clusters are fed after being transmitted by the conveying curtain (2), so that the carding action of a third carding roller (7) rotating anticlockwise in front is received under a certain pressure in a free state, the apocynum venetum fiber clusters are sent into the third carding roller (7) in a vertical direction to be freely opened, the carding card clothing of the third carding roller (7) first captures the apocynum venetum fiber clusters with a certain thickness in a free opening process, the mutual opening action of fibers with certain thickness is realized in the grabbing process, the grabbed apocynum fibers are gradually dispersed on the circumferential surface of a third carding roller (7) rotating at a high speed, the progressive dispersion opening action of the apocynum fibers is further realized, the carding card clothing is gradually inserted among the fibers along with the dispersion of the apocynum fibers on the surface of the third carding roller (7), the fine carding action of the apocynum fibers is further realized, the apocynum fibers transferred to the third carding roller (7) are supported by a small leakage bottom to rotate around the circumferential direction of the third carding roller (7), the carding card clothing on a carding strip on the small leakage bottom and the carding card clothing on the third carding roller (7) generate mutual tearing action on the fibers so as to realize the carding action on the fibers, the short-length apocynum fibers fall through the intervals among the carding strips in the carding process, the separation and elimination action on the apocynum fibers is further realized, the successive discrete fiber bundle transfer action on the third carding roller (7) is realized, the apocynum fiber bundle on the third carding roller (7) is transferred anticlockwise, the fourth carding roller (18) to realize the complete carding action of the outward-pulling action on the third carding roller (7) on the carding roller (18) for the outward carding fiber bundle, and the third carding roller (7) for the outward carding roller for the apocynum fibers, the outward carding roller for the fourth carding roller (18) for the outward carding fiber bundle, and the apocynum fibers in the third carding roller for the fourth carding roller for the third carding roller (7) for the outward carding roller for the outward carding process, thereby realizing the opening function in the free state in the transferring process, the transferred cotton fiber is transferred downwards under the drive of the second carding roller (8), the transferred apocynum fiber is transferred upwards under the drive of the fourth carding roller (18), the two fibers are merged at the adjacent parts of the second carding roller (8) and the fourth carding roller (18), the carding function is realized under the combined action of the carding card clothing on the second carding roller (8) and the fourth carding roller (18) in the merging process, the carding card clothing on the second carding roller (8) generates the internal pulling acting force to the cotton fiber bundle, the carding card clothing on the fourth carding roller (18) generates the internal pulling acting force to the apocynum fiber bundle, then the transfer of partial cotton fiber to the fourth carding roller (18) is realized under the carding function, and the transfer of partial carding fiber to the second carding roller (8) is realized, then, the mixing effect of two fibers is realized in the transferring process, the two mixed fibers are transferred to the front cambered surface of the carding roller along with the rotation of the second carding roller (8) and the fourth carding roller (18) and are completely stripped off by a fifth carding roller (19) which rotates anticlockwise and is adjacent to the second carding roller and the fourth carding roller simultaneously, the mixing effect of the two fibers is further realized in the stripping and transferring process, the mixed fibers on the fifth carding roller (19) are completely transferred to a sixth carding roller (9) under the action of the sixth carding roller (9) which rotates clockwise in the front direction, and the fibers on the sixth carding roller (9) are subjected to the partial transfer of a movable cover plate (10) which rotates anticlockwise after rotating to the right upper cambered surface The carding function of the carding card clothing on the card sheet realizes the repeated transfer of the mixed fiber between the sixth carding roller (9) and the movable cover plate (10) under the carding function, realizes the repeated carding function of the mixed fiber in the transfer process, further reduces the contact force between the fibers until the mixed fiber is decomposed into a single fiber state, simultaneously realizes the fine mixing of two kinds of fibers in a single fiber state in the repeated transfer process of the fiber under the carding function, the mixed fiber on the sixth carding roller (9) is subjected to the carding function of the card clothing on the seventh carding roller (12) rotating anticlockwise after being separated from the action area of the movable cover plate (10), the mixed fibers are partially transferred to a seventh carding roller (12) under the carding action and are condensed into a mixed fiber web on the seventh carding roller (12) with small diameter, the mixed fiber web is completely stripped by a stripping roller and then is conveyed by a compacting roller pair, the output fiber web is converged into a mixed fiber sliver by a horn mouth, and the mixed fiber sliver is pressed, shaped and finished by the compacting roller pair (15) and then continuously wound in a winding sliver can (16) through the cooperative rotation of a winding shaft (17) and the winding sliver can (16).

6. The method for producing an antibacterial blended yarn as claimed in claim 2, wherein: in the fourth step, two-pass drawing is adopted, the 6 mixed fiber raw slivers are fed together in the first-pass drawing, the fed 6 mixed fiber raw slivers are gathered firstly, details and slubbies on each mixed fiber raw sliver are combined randomly in the gathering process, so that the weight unevenness of the slivers is improved in the random combining process, the gathered slivers are subjected to the drafting effect of a drafting system to reduce the linear density to obtain semi-finished mixed fiber slivers, and the straightness of fibers in the slivers is improved in the drafting process; in the second drawing, 8 mixed fiber semi-finished slivers are fed together, and the fed 8 mixed fiber semi-finished slivers are gathered and drafted in sequence to obtain the mixed fiber semi-finished slivers.

7. The method for producing an antimicrobial blended yarn as claimed in claim 2, wherein: in the fifth step, in the drafting process, the mixed fiber drawn sliver is drafted through a drafting system consisting of four rollers and four long and short aprons, the fibers in the mixed drawn sliver are controlled by an external control force field formed by the holding acting force between the rollers and a friction force field formed by a apron jaw in the drafting process, so that the fibers in the mixed drawn sliver can realize stable and concentrated speed change in a drafting area, the linear density is reduced in the speed change process, fiber strands with the required linear density are obtained after drafting, the fiber strands can realize mutual transfer among the fibers in the strands under the action of twisting twist, mutual intertwining is realized among the fibers in the transfer process, and then a certain cohesive acting force is generated among the fibers, so that the antibacterial blended yarn with a continuous distribution characteristic and a certain strength is obtained.