609results about "Open-end spinning machines" patented technology

The invention belongs to the technical field of spinning equipment, and particularly discloses an automatic control system and method for a gas vortex spinning device, and the method comprises the following steps: a data collection module is responsible for collecting target parameter data in real time and capturing a target image, and an image processing module analyzes the image by using a machine learning model and extracts fiber features; the aided design module performs numerical simulation and optimizes spinning process parameters; the intelligent control module constructs a spinning prediction model, analyzes spinning risks and gives an alarm, and the optimization decision module adopts a dynamic multi-dimensional optimization algorithm and provides real-time optimization suggestions; the self-learning updating module automatically updates a spinning prediction model by continuously collecting and analyzing production data, and the system further relates to specific sensor technologies such as a fiber length sensor, a yarn thickness sensor and a tension sensor and application of a high-speed camera, so that high efficiency of the spinning process and consistency of yarn quality are ensured.

The invention relates to a device and a method for preparing nanofiber core-spun yarn through batch coaxial electrostatic spinning. The device comprises a needleless dish-shaped spray head, an air blowing auxiliary device, a liquid supply device, an annular twisting device, a high-pressure generator, a negative-pressure air suction device, a winding device and an unwinding device. The core yarn penetrates through the axis of the needleless dish-shaped nozzle, the nanofiber generated by the needleless dish-shaped nozzle coaxially wraps the surface of the core yarn through the whole spinning device, and batch preparation can be achieved. The device is further provided with an air blowing auxiliary device and a negative pressure air suction device, under the air blowing effect of an air blowing nozzle and the adsorption effect of a negative pressure air suction shell, airflow force can be generated to promote jet flow to be further stretched in a straightened mode, under the common influence of electric field force and the airflow force, the jet flow is fully stretched, bending is reduced, and the service life of the jet flow is prolonged. Therefore, the nanofiber bundles can continuously cover the surface of the core yarn in a high-orientation state under the traction of the annular twisting device, and the continuous nanofiber core-spun yarn is formed.

The invention relates to the technical field of vortex spinning machines, and discloses an air inlet adjustable vortex tube for a vortex spinning machine, which comprises a spinning connecting tube body, connecting seats are connected to the two sides of the bottom surface of the spinning connecting tube body respectively, through grooves are formed in the upper ends of the two sides of the outer end of the spinning connecting tube body respectively, and mounting plates are attached to the surfaces of the outer ends of the through grooves; limiting boxes are mounted on the surfaces of the front ends of the mounting plates correspondingly, micro motors are mounted on one sides of the outer ends of the limiting boxes correspondingly, guide pipes are connected to the surfaces of the front ends of the limiting boxes correspondingly, the micro motors drive screws to drive arc-shaped plates to adjust the positions to adapt to yarn of different sizes, it is ensured that the yarn stably enters a spinning connecting pipe body, and the spinning quality is remarkably improved; in the quick-release structures on the two sides of the interior of the connecting seat, the rear ends of the guide rods can be pulled out of the positioning grooves of the base only by pressing the pressing plate, the pressing plate is loosened, and the compression spring rebounds, so that installation can be completed, the shutdown maintenance time of equipment is greatly shortened, and the maintenance difficulty and the labor cost are reduced.

A spinning station of a spinning machine for producing a thread from a sliver. A thread end is taken up by a take-up device and transferred to a preparation device downstream from a vortex chamber of the spinning device, the thread end is subsequently treated in the preparation device and then transferred to the vortex chamber, a drafting system for supplying a sliver to the vortex chamber is powered up, wherein an exit roller pair of the drafting system is accelerated to a predetermined draw-off speed, and the sliver is spun onto the thread end in the vortex chamber and a draw-off device for drawing off the thread spun in the vortex chamber is powered up and accelerated up to the draw-off speed. The speed of the exit roller pair and / or of the draw-off device increases non-linearly and / or approaches the predetermined draw-off speed non-linearly around the end of powering up.

The invention relates to a sliver feeder for a textile machine. The sliver feeder comprises at least one pick-up unit and at least one feeder unit. In order to improve the handling of fibrous material and increase the quality of slivers to be transferred to the pre-compactor, thereby increasing process stability and thus saving resources, it is provided that the picker is designed and arranged to pick up slivers, in particular to pick up slivers from a can of the textile machine and transfer the slivers to the feeder unit, the feeder unit has a takeover section and is designed and arranged to transfer the slivers to a sliver guide, in particular to a pick-up section of a pre-compactor.

The invention discloses a method and a device for observing an internal flow field of a vortex spinning transparent nozzle based on a particle image velocity measurement system. The geometric similarity error is less than or equal to 0.5% and the light transmittance is greater than or equal to 92%. According to the device, a transparent nozzle is integrated in a vortex spinning system, and the device is composed of a laser light source module, a high-speed image acquisition module and a tracer particle injection module. According to the method, a PIV (particle image velocimetry) technology is utilized, hollow glass bead tracer particles are uniformly put into air flow, light illumination of a double-pulse laser sheet and synchronous image acquisition of a high-speed camera are combined, and non-contact dynamic observation of flow fields of a vortex cavity, an air inlet channel and a fiber outlet area in the nozzle is realized. PIV algorithm processing is carried out on the image sequence, and high-temporal-spatial-resolution flow field parameters such as a velocity vector field, turbulent flow kinetic energy and pressure distribution can be obtained. The problems of disturbance defects and observation blind areas of traditional intrusive measurement are solved, and accurate experimental data support is provided for vortex spinning nozzle structure optimization and flow field regulation and control.

The invention discloses a solution jet spinning nanofiber yarn forming device, and relates to the technical field of yarn, the solution jet spinning nanofiber yarn forming device comprises a nanofiber generating mechanism, a fiber bundle compounding mechanism and a yarn collecting mechanism which are arranged in sequence, the nanofiber generating mechanism can utilize airflow to stretch spinning solution trickles to obtain nanofiber bundles, and the nanofiber bundles are arranged on the spinning solution trickles. The fiber bundle compounding mechanism is arranged at the outlet end of the nanofiber generating mechanism, the fiber bundle compounding mechanism receives nanofiber bundles generated by the nanofiber generating mechanism and forms nanofiber yarns, and the yarn collecting mechanism is used for winding and collecting the nanofiber yarns. The invention further discloses a method for preparing the nanofiber yarn through the device. The nanofiber yarn prepared through the device and the method has the advantages of being small in size, large in specific surface area, high in porosity, good in orientation degree, large in tensile strength, fluffy in structure, capable of achieving large-scale production and the like.

The utility model discloses a feeding roller and a rotor spinning machine, and relates to the technical field of spinning. A plurality of bead groups are fixedly arranged on the outer side wall of the roller shaft, the bead groups are circumferentially and uniformly distributed around the axis of the roller shaft, and a spacing is formed between every two adjacent bead groups; the bead group comprises at least one first bead, and the first bead extends along the axis of the roller shaft; and in the circumferential direction of the roller shaft, the circumferential length of the interval is consistent with the circumferential length of one rib group. And finally, the nub effect of the prepared hemp-feeling yarn is better.

The invention relates to the technical field of covering yarns, in particular to a twisting device for vortex spinning covering yarns. The twisting device for the vortex spinning covering yarn comprises the vortex spinning yarn and a twisting machine. The interlayer fiber is added between the core yarn and the outer-layer fiber, so that the reinforcing and supporting effects are achieved, the strength and stability of the yarn are improved, meanwhile, different fibers are added into the core yarn and the outer-layer fiber, and therefore the vortex spinning yarn has good elasticity and comfort, has good wrinkle resistance and is easy to care. Wrinkles and deformation of the textile can be reduced, and the easy-to-care property of the textile is improved.

The utility model relates to the technical field of vortex spinning, and discloses a vortex spinning air intake device, including an air intake device shell, the air intake device shell is a structure with openings at both ends, the top of the air intake device shell is fixedly connected to a spinning guide channel, the upper side of the spinning guide channel is fixedly plugged with a spinning nozzle, the lower end of the spinning nozzle extends into the inner cavity of the spinning guide channel, and the inner cavity of the spinning guide channel is provided with a yarn entry channel, and also includes an air intake device, which is arranged at the bottom of the inner wall of the air intake device shell, and an airflow stabilizing device, which is arranged at the lower end of the spinning nozzle, the device effectively ensures the spinning air quality through air filtration and improves the cleanliness of the yarn; the slow flow design reduces the impact of the airflow on the vortex tube and prolongs the life of the equipment; the airflow stabilizing device cooperates with the vortex tube to achieve airflow stability and uniform distribution, improve the stability of the spinning process and the consistency of the yarn quality, thereby significantly improving the spinning efficiency and product quality.

The invention discloses a short-process spinning device and an application method thereof, and relates to the technical field of spinning. The short-process spinning device comprises a loose fiber combing mechanism and a fiber cutting mechanism, the loose fiber combing mechanism is used for combing and dispersing the conveyed endless tows into a single fiber state for multiple times to obtain parallel and straight fibers; the fiber cutting mechanism is arranged on the rear side of the loose fiber combing mechanism and comprises a cutter roller and a conveying curtain, the cutter roller is located on the upper side of the conveying curtain and comprises a cylindrical roller and a spiral blade, and the spiral blade is spirally arranged on the surface of the cylindrical roller; and the spiral blade is used for obliquely cutting parallel and straight fiber groups continuously conveyed by the conveying curtain into short fibers. Continuous sliver forming is achieved through the technological innovation of fiber scattering, fiber combing, fiber cutting and sliver forming, slivers are uniform in thickness and have certain cohesive force, and the fibers are parallel and straight; short fibers can be directly twisted into yarns, and slivering is not needed.

A spinning machine (1) is provided with a drafting device (5), a spinning device (6), a take-up device (9), and a capture device (32). The drafting device (5) draws the fiber bundle (10). The spinning device (6) twists the fiber bundle (10) drafted by the drafting device (5) to generate a yarn (15). The winding device (9) performs a winding operation of winding a yarn (15) to form a package (18). The capturing device (32) captures the yarn (15) fed from the spinning device (6) and moves the yarn (15) to a target position. The drafting device (5) is provided with a front roller (51) disposed at the most downstream in the fiber advancing direction. When the winding operation is started, in a state that the front roller (51) rotates at a first speed, the capturing device (32) starts a capturing operation for the yarn (15) generated by the spinning device (6) through yarn output spinning. After the capturing device (32) starts the capturing operation and before the capturing device (32) reaches the target position, the front roller starts to accelerate.

The present application relates to an air-jet type spinning device provided with a spinning starter system, in which the included spinning starter system is arranged to:-pneumatically supply an injector or venturi nozzle (36) at an initial maximum pressure pmax in order to retrieve fibres in a fibre introducer (20),-supply fibres into a spinning chamber (16) and then into a spindle (24) of the spinning chamber (16); the spinning chamber (16) is pneumatically supplied with a main nozzle (40) such that the two compressed air jets overlap each other, and the ejector or venturi nozzle (36) is gradually closed according to an average pressure gradient having an absolute value of less than 6 bar / sec. The utility model has the main advantage of improving and adjusting the starting of the air jet spinning process, which is particularly useful for yarns made of hard fibers and for reducing the fiber passing time in the spinning chamber.

The utility model discloses a hollow spindle head and a spinning box, which relate to the technical field of textile, and comprise a central tube and a conical head which are coaxially arranged, the conical head is provided with an inner cavity and an upper opening communicated with the inner cavity; the central pipe is positioned in the inner cavity; one end of the central tube is fixedly connected with one end of the conical head, and the other end of the central tube extends out of the upper opening; the central pipe is provided with a through first central channel, and a lower end opening of the first central channel is used for allowing a straight fiber bundle to enter; a gas accommodating cavity is formed in a space between the inner wall of the inner cavity and the outer wall of the central pipe; the gas accommodating cavity is used for injecting gas; the outer side wall of the end, away from the upper opening, of the conical head is provided with a plurality of first rotating air channels. Gas located in the gas containing cavity flows out through the first rotating gas channels, and the rotating direction of the gas flowing out is the same as the rotating direction of rotating gas flow used for twisting on the outer side wall of the conical head. The maintenance cost of the hollow spindle head is reduced, a good twisting effect is guaranteed, and fiber wrapping is accelerated.

The invention discloses a vortex spinning yarn defect detection method and system based on computer vision, and relates to the technical field of textile industry quality control and image recognition, and the method comprises the steps: obtaining a bright field image sequence and a dark field image sequence, and collecting a yarn position signal and an air pressure pulsation signal of a spindle vortex field; performing track modeling and inter-frame displacement compensation on the bright field image sequence to generate a yarn structured displacement image; constructing an airflow fiber-carrying feature map; performing spatial registration and fusion on the yarn structured displacement image and the airflow fiber-carrying feature map to obtain a dual-channel feature map; generating a defect cause directivity judgment instruction; marking a defect position based on defect information of the defect cause directivity judgment instruction, and generating a process parameter adjustment suggestion signal; and constructing a defect-process feedback sample set. The air vortex spinning yarn defect detection system effectively solves the key problems that an existing air vortex spinning yarn defect detection system is single in detection dimension, defect causes cannot be distinguished, and real-time process closed-loop feedback is lacked.

The utility model relates to an automatic yarn lifting device for a rotor spinning machine. The automation requirement of rotor spinning is gradually increased, and in the conversion process from whole-shaft transmission to single-spindle control, the inconvenience that yarn and a yarn guide nozzle are not separated during yarn jointing exists. The device comprises a yarn guide nozzle, a winding friction roller, a threaded air cylinder, a lead screw, a tension spring and the like, through the structural design that an action part of the threaded air cylinder abuts against the lead screw and the like, seed yarn is separated from the yarn guide nozzle before yarn jointing, and the yarn rapidly enters the yarn guide nozzle to be normally guided after jointing. Compared with the prior art, the device has the advantages of being sensitive and accurate in air cylinder pushing response, high in working stability, compact in structure, suitable for space limited positions, capable of saving energy, beneficial to repair and maintenance, capable of saving cost, convenient to operate, wide in applicability, capable of improving the cleaning degree of the whole machine and the like.

The invention discloses a single-spindle yarn guiding mechanism suitable for an automatic joint type rotor spinning machine, which comprises a mounting plate, a yarn guiding motor is mounted at one end of the mounting plate, a yarn guiding roller is mounted on an output shaft of the yarn guiding motor, a support shaft is mounted at the position, corresponding to the yarn guiding motor, of the mounting plate, and the support shaft is rotatably connected with a shaft sleeve; the shaft sleeve is pressed at one end of the yarn leading lever, the supporting shaft is sleeved with a torsional spring, a leather roller shaft is installed at the position, corresponding to the shaft sleeve, of the yarn leading lever, one end of the leather roller shaft is rotationally connected with a yarn leading leather roller, a lifting air cylinder is arranged between the other end of the installation plate and the yarn leading lever, and the output end of the lifting air cylinder is hinged to an air cylinder rotating shaft. The cylinder rotating shaft is mounted at the other end of the mounting plate. A single-spindle yarn guiding structure is adopted to replace a traditional yarn guiding mode, an original single-motor single-yarn-guiding-shaft driving mode is replaced with a single-spindle single-motor single-yarn-guiding mode, the reverse yarn storage amount and the acceleration process of yarn jointing can be accurately controlled, and the success rate of yarn jointing is greatly increased.

The invention provides a method for inserting a yarn into a spinning position of a spinning machine, in particular a rotor spinning machine, comprising: picking up the yarn from the surface of a bobbin while inserting the yarn into a feeding device located at the yarn picking-up position; moving the feeding device into which the yarn is inserted from the yarn pickup position to a yarn conveying position; the yarn is cut to form yarn ends, and the yarn ends are sucked into a yarn guide pipe or an open-end spinning nozzle of a spinning position to be connected. According to the invention, the yarn can be directly conveyed to the opening of the yarn guide tube or the open-end spinning nozzle from the yarn tube only through one-time movement of the feeding device, and then the yarn is cut; the prepared yarn ends are connected directly in the yarn guide tube or the air-jet spinning nozzle by means of compressed air.

The invention discloses an automatic control system for rotor spinning equipment, and relates to the technical field of rotor spinning equipment, the automatic control system comprises a database, a controller, an adjusting assembly and a moving assembly, the controller is connected with the database through signal transmission, and the adjusting assembly and the moving assembly are connected with the controller through signal transmission. The adjusting assembly comprises a dexterous hand, a visual sensor, a rotating joint, a lifting unit and a power unit, the visual sensor is connected with the controller through signal transmission, and the power unit provides power for the dexterous hand, the rotating joint and the lifting unit. By designing the adjusting assembly, the automatic maintenance function of the equipment is achieved, the problems that manual maintenance time is long, accuracy cannot be guaranteed and safety risks exist are solved, manual troubleshooting time can be shortened, secondary damage is avoided, the risk of manual operation is reduced, the working efficiency of the equipment is improved, the cost of the equipment is reduced, and the working efficiency of the equipment is improved. And the economic benefit is improved.

The invention belongs to the technical field of spinning, and relates to a rotor spinning doffing spinning-in method, cotton feeding is stopped after rotor spinning doffing, spinning-in actions are executed after an empty tube is replaced, the spinning-in actions comprise spinning-in cotton feeding and seed yarn entering a rotor, during spinning-in, spinning-in combined fibers and the seed yarn are mixed and wound in the rotor to form spinning-in yarn, and the spinning-in yarn enters the rotor; the rotor is not cleaned after rotor spinning doffing, and the spinning-in combined fibers are composed of fibers left in the rotor after rotor spinning doffing and fibers fed by spinning-in cotton. On the premise that the joint quality and the uniformity of resultant yarn are guaranteed, the doffing and spinning-in time can be greatly shortened, and therefore the overall production efficiency of rotor spinning is improved.

The utility model provides a spinning rotor driving mechanism which comprises a supporting seat, two sets of double-disc supporting indirect bearings, a spinning rotor, a driving motor and a pressurizing rubber ring, the double-disc supporting indirect bearings are arranged in the supporting seat side by side, the driving motor is arranged above the two sets of double-disc supporting indirect bearings, and the pressurizing rubber ring is arranged on the outer side of the driving motor in a sleeving mode. The pressurizing rubber ring and the two sets of double-disc supporting indirect bearings jointly form a triangular area, a rotating shaft of the spinning cup is clamped in the triangular area, the rotating shaft of the spinning cup is clamped through the pressurizing rubber ring and the two sets of double-disc supporting indirect bearings, the driving motor rotates to drive the pressurizing rubber ring to rotate, and the spinning cup is driven to rotate through friction force between the pressurizing rubber ring and the rotating shaft. Each spinning rotor is matched with one driving motor for driving, the spinning rotors are mutually independent, and the rotating speed of the spinning rotors can be controlled more simply and accurately; the same machine can be used for producing various products by using various spinning cups, can adapt to various application scenes, and improves the equipment utilization rate.

The invention relates to a free-end spinning rotor, a rotor shaft and a rotor cup for a free-end spinning rotor, the free-end spinning rotor (1) comprising: a rotor shaft (2) by means of which the free-end spinning rotor (1) can be supported in a bearing (3), in particular a magnetic bearing; and a rotor (4) in which fiber material can be spun. The rotor shaft (2) and the rotor cup (4) are detachably connected to each other by means of a coupling device (5), the coupling device (5) comprising a magnetic means (6), in particular a permanent magnet, for the axial connection of the rotor shaft (2) and the rotor cup (4), and a form-fitting connection for transmitting a torque between the rotor shaft (2) and the rotor cup (4), the form-fitting connection comprises a first coupling contour (8) arranged on the rotor shaft (2) and a second coupling contour (9) arranged on the rotor cup (4). The first coupling contour (8) and the second coupling contour (9) are designed as polygonal flower-shaped contours, in particular hexagonal flower-shaped contours.

The invention relates to a low-fiber-falling air-jet vortex spinning yarn guiding cone and a nozzle device. The yarn guiding cone comprises a first circular truncated cone section, a second circular truncated cone section, a first cylindrical section and a second cylindrical section which are sequentially connected from upstream to downstream and are coaxially arranged; a first cylindrical hole, a second cylindrical hole, a first circular-truncated-cone-shaped hole, a second circular-truncated-cone-shaped hole and a third cylindrical hole which are communicated and coaxially arranged are sequentially formed in the yarn guiding cone from upstream to downstream, and one or more annular grooves are formed in the wall face, close to an inlet, of the first cylindrical hole. According to the yarn guiding cone, one or more annular grooves are formed in the wall face, close to the inlet, of the first cylindrical hole, so that the fiber falling amount in the spinning process is reduced under the condition that the air consumption of equipment is not increased, and particularly, fiber raw materials can be more sufficiently and efficiently utilized when fibers with poor length uniformity are spun; and fiber loss and raw material waste are reduced.

The present application relates to the technical field of air jet speed balancing of spinning machines, and particularly relates to a spinning machine air jet speed balancing method and system based on an elliptical eccentric air chamber, which comprises the following steps: changing the second air chamber in the double air chamber into an elliptical air chamber, and offsetting it to the direction of the supply pipe by setting a centrifugal distance; calculating the gas mass flow at the inlet of the supply pipe, and then solving the pressure distribution of the first air chamber; mapping the ellipse to a circular domain and calculating the gauge coefficient, and obtaining the pressure distribution of the elliptical air chamber in combination with the pressure distribution of the first air chamber; establishing a jet flow speed calculation model of the air jet hole, and calculating the air jet speed of the spinning machine in combination with the pressure distribution of the elliptical air chamber; and solving the optimal elliptical semi-minor axis and centrifugal distance with the target of minimizing the air jet hole speed variance, and adjusting the shape and position of the elliptical air chamber. The present application reduces the pressure difference at the positions of the air jet holes by the design of the ellipse plus eccentricity, so as to balance the flow, reduce the air jet hole speed difference, and meet the production demand of high-quality spinning.

The invention relates to a method for monitoring the state of a locking device of a spinning station of a rotor spinning machine, comprising the following steps: generating two current pulses in a time sequence, the second current pulse having an amplitude opposite the sign of the first current pulse, the time sequence being controlled by a switching unit of a control device of the spinning station; a measured value of each current pulse is determined on the basis of a switching process of the switching unit, a difference between the measured values is ascertained, the difference is evaluated on the basis of a comparison with a reference value range, the reference value range being specific to whether the locking device is in the closed state or the open state, and the locking device is in the closed state or the open state. -determining the state of the locking device on the basis of the result of the evaluation. The invention further relates to a rotor spinning machine and a computer program.

The utility model relates to a carding roller needle cup which comprises a cup body and a needle body arranged in a connecting hole of the cup body, and further comprises a jacking spring and a top plate, one end of the jacking spring is connected with the bottom wall of the connecting hole, the other end of the jacking spring is connected with the top plate, and connecting lugs are arranged on the two sides of the bottom of the needle body. Sliding grooves in sliding fit with the connecting convex lugs are formed in the inner walls of the two sides of the connecting hole, and ring expanding grooves for containing the connecting convex lugs and enabling the connecting convex lugs to rotate are formed in the bottom of the connecting hole. By adopting the unique structural design of the connecting lug, the sliding groove, the jacking spring and the top plate, the original threaded connection mode is abandoned, and the mounting and dismounting steps of the needle body are greatly simplified. An operator only needs to align the connecting lug of the needle body with the sliding groove and insert the connecting lug into the sliding groove, then the needle body is rotated to enable the connecting lug to be connected with the sliding groove, meanwhile, the needle body can be easily fixed and positioned through the elastic force action of the jacking spring and the jacking plate, on the contrary, disassembly can be rapidly and simply completed, the working efficiency is greatly improved, and the labor intensity of workers is reduced.

The invention discloses an air-twisted three-dimensional carpet yarn and a preparation method thereof, and belongs to the technical field of carpet yarns. The technical problems that in a traditional carpet yarn preparation process, yarn abrasion is easily caused by mechanical twisting, and quality is unstable due to asynchronous paying-off of multiple strands of yarn are solved. According to the technical scheme, traditional mechanical twisting is replaced with air twisting; the preparation process comprises the steps of melt spinning, drafting forming, clear color separation puffing deformation, air twisting, rolling and the like. Wherein the multiple strands of single yarns are bulked and deformed through independent channels before being twisted, so that respective separated clear color separation structures are formed. The adopted air twisting machine is provided with a conical pipe with a spiral air guide plate so as to form twisting rotational flow, a synchronous paying-off mechanism is arranged, and a stepping motor drives a plurality of paying-off shafts to synchronously rotate to release yarn through a gear transmission set. Non-contact twisting is achieved through airflow dynamics, mechanical abrasion is avoided, and meanwhile position precision and tension consistency of yarn are guaranteed through synchronous paying-off.

The invention provides a carding roller of a rotor spinning machine and an intelligent composite spinning apparatus, and relates to the technical field of rotor spinning equipment. The carding roller is a composite carding roller and comprises a roller body, a bearing and a plurality of racks with different sizes, the roller body and the bearing are in press fit together, the racks form a plurality of carding sections with different carding structures in the axial direction of the roller body, each rack corresponds to one carding section, and the carding sections are used for simultaneous carding of various fiber strips; corresponding to each carding section, a corresponding humidity adjusting assembly is arranged on the roller body, and the humidity adjusting assemblies are connected with the controller and used for adjusting the humidity of carding fibers in the corresponding carding sections according to the control of the controller. The fine and intelligent level of the modern spinning technology is improved, the spinning yarn count range is wide, especially the spinning composite yarn, and meanwhile the method has the advantages of being low in cost, low in energy consumption and easy to transform and upgrade.

The invention relates to the technical field of spinning, and discloses a spinning method of rotor spinning color spinning fabric, which comprises the following steps: step 1, cotton blending treatment, step 2, rotor spinning, step 3, knitting connection, step 4, post-treatment dissolution, and step 5, shaping and drying. Multi-hue dyed cotton and water-soluble vinylon are subjected to mixed spinning, tough composite yarn is formed through ultrahigh rotor rotating speed and high twist, a dense matrix is constructed through plain knitting, vinylon is finally dissolved in warm water at 45-55 DEG C in an oriented mode, a continuous regular hollow structure is generated in one step, in addition, color layer richness and porosity can be achieved, and the hollow structure can be formed in one step. The problem that a traditional color spun fabric is thick and heavy is solved, it needs to be explained that the spun fabric has the characteristics of light weight, high breathability and three-dimensional light transmission, complex equipment is not needed in the scheme, and the cost is reduced.

The invention provides a preparation method of a conductive temperature-regulating nanofiber core-spun yarn. The preparation method comprises the following steps: (1) preparing a composite nanofiber yarn with a skin-core structure; (2) preparing the phase change fasciated yarn; (3) preparing a chemical plating solution; (4) preparing conductive cotton yarns; and (5) preparing the conductive temperature-adjusting nanofiber core-spun yarn. The core spun yarn prepared by the invention has excellent conductivity and temperature regulation performance, and has wide application prospects in the fields of wearable electronic equipment, intelligent textiles, medical care and environmental protection.