1450results about "Continuous wound-up machines" patented technology

The invention provides a yarn anti-winding method which comprises the following steps: according to the relevance between yarn material characteristics and a processing technology, by optimizing the yarn raw material ratio and technological parameter setting, the generation of hairiness impurities on the surface of yarn is reduced, and the yarn uniformity and smoothness are improved, so that the friction adhesion risk between yarns is reduced; automatic quality detection devices are arranged among all procedures of yarn production, multi-source quality data such as yarn appearance and mechanics are collected, correlation analysis of the yarn quality data is achieved through a Kalman filtering algorithm, a yarn quality traceability chain is constructed, and when a yarn winding problem is found, a problem source is rapidly positioned and diagnosed, and the yarn winding problem is accurately detected. And a basis is provided for subsequent process adjustment.

The invention relates to the technical field of textile machinery, and discloses a covering yarn machine spindle speed and twist control system which comprises a data acquisition module, a global control module, an individual diagnosis module, a power execution module and a man-machine interaction module. The actual average speed of the whole machine is calculated by collecting the speed of each spindle in real time, and PID closed-loop control is carried out on the actual average speed and a set value, so that the systematic speed deviation of the whole machine is accurately corrected. Meanwhile, the individual diagnosis module calculates spindle difference signals of the speeds of the spindles and the average speed of the whole machine in parallel, time domain and frequency domain analysis is carried out on the signals, and hidden faults such as steady-state deviation, periodic fluctuation and transient impact existing in a single spindle are accurately recognized. And finally, the system carries out visual early warning through a human-computer interaction interface and provides a predictive maintenance instruction. According to the method, high-precision control of the twist and high consistency of products are achieved, an effective predictive maintenance mechanism is established, and the production quality and the intelligent level are remarkably improved.

The utility model discloses a cantilever type multi-twisting spinning device which comprises a cantilever type multi-twisting mechanism composed of an epicyclic gear train and a wrap yarn twisting mechanism, the epicyclic gear train comprises a hollow spindle, a cantilever, an epicyclic gear Z1 and an outer gear ring Z2, the fixed end of the cantilever is arranged on the hollow spindle, and the epicyclic gear Z1 is arranged on the cantilever; the epicyclic gear Z1 is meshed with an outer gear ring Z2 fixed on the rack; when the hollow spindle rotates, revolution of the epicyclic gear Z1 around the hollow spindle and autorotation of the epicyclic gear Z1 are formed; the wrap yarn twisting mechanism is arranged on an epicyclic wheel Z1, the epicyclic wheel Z1 rotates to enable a plurality of wrap yarns B to be combined and twisted to form a wrap yarn C, and after entering the hollow spindle, the wrap yarn C completes twisting and wrapping of the core yarn A by the wrap yarn C along with revolution of the epicyclic wheel Z1 to form a rope D. According to the utility model, a secondary twisting technology including two-for-one twisting and hollow spindle twisting is designed, and through the design of the transmission ratio of the cantilever to the two-for-one twisting spindle, efficient twisting of one-turn multi-twisting is realized.

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.

The bobbin hanger and roving bobbin combination device suitable for the flax wet spinning process comprises a bobbin hanger, the bobbin hanger comprises a bobbin hanger top cover, a bobbin hanger shell, a bobbin hanger body, a conical cup push rod and a supporting piece pair, the bobbin hanger shell is inserted into the bobbin hanger top cover from the lower portion of the bobbin hanger top cover and fixed, a cavity is formed in the bobbin hanger shell, the bobbin hanger body is arranged in the cavity of the bobbin hanger shell, and the conical cup push rod is arranged in the cavity of the bobbin hanger shell. The supporting piece pair is hinged to the lower end of the suspended spindle body through a second fixing pin, the upper end of the suspended spindle body is connected with a four-claw cam, a high-position beveled locking groove and a low-position beveled locking groove are formed in the side wall of the suspended spindle shell, the four-claw cam is arranged in the high-position beveled locking groove or the low-position beveled locking groove, and the suspended spindle shell is sleeved with the conical cup push rod. The bobbin hanger and roving bobbin combination device is small in number of parts, simple in structure and reliable in movement; the bearing capacity is high, and the application range to bobbins with different weights is wide; the cost is low, and mass production is easy to realize; the device is simple to operate and suitable for automatic production lines.

The utility model discloses an intelligent tensile tension adjusting device for spandex covered yarn, which comprises a weaving thread, a tensioning unit is arranged below the weaving thread, the tensioning unit comprises a shell, a vertical cylinder, a support, an abutting wheel, a guide wheel, a first supporting plate, a pressure spring, a second supporting plate, a pressure sensor, a lead screw, a motor, a sliding block, a sliding groove and a ball, and the shell is located below the weaving thread. According to the intelligent stretching tension adjusting device for the spandex coated yarn, data feedback can be carried out to the outside through a pressure sensor according to the matching between the weaving yarn and the tensioning unit and the magnitude of the abutting tension between the abutting wheel and the weaving yarn, so that an external operator can control a motor in time, the overall structure of the device is compact, the range required by operation is greatly reduced, and the working efficiency is improved. In addition, the stability of the first supporting plate for supporting the tensioning compression spring is good, and long-term stable operation of the device is facilitated.

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 discloses a continuous twisting preparation method and system for spiral fiber artificial muscle. The preparation method comprises the following steps: keeping first tension, continuously releasing original fibers at a first pay-off rate, performing twisting treatment, and collecting at a first take-up rate to obtain spiral twisted fibers; the second tension is kept, the spiral twisted fibers are continuously released at a second pay-off rate, the spiral twisted fibers are collected at a second take-up rate after being subjected to annealing treatment, the spiral fiber artificial muscle is obtained, and the second pay-off rate is smaller than the second take-up rate. According to the continuous twisting preparation method provided by the invention, real-time monitoring and automatic adjustment of tension in the fiber preparation process are realized, so that constant tension during continuous fiber preparation is ensured, and meanwhile, the annealing tension is directly associated with the spring index of the artificial muscle fiber through the continuous annealing heat setting device; an industrialization solution is provided for diversified application of the artificial muscle, continuous preparation is achieved, and the preparation efficiency is remarkably improved.

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 invention relates to the technical field of textile manufacturing, and provides a staple fiber yarn forming device which comprises a winding seat, a winding mechanism and a guide mechanism, the winding mechanism comprises a rotating roller, a bobbin and a rotating assembly, the rotating roller is rotationally installed on the winding seat, the bobbin detachably sleeves the peripheral wall of the rotating roller, and the rotating assembly is installed on the winding seat. The rotating assembly is arranged on the winding base and used for driving the rotating roller to rotate. The guide mechanism comprises a guide seat, a guide block and a linkage assembly, the guide seat is provided with a guide slide way, the two ends of the guide slide way extend in the axial direction of the rotating roller, the guide block is installed on the guide slide way in a sliding mode, a penetrating hole is formed in the guide block, and twisted yarn penetrates through the penetrating hole and is wound on the peripheral wall of the bobbin; the linkage assembly is arranged between the guide block and the rotating roller, and when the rotating roller rotates, the guide block moves in a reciprocating mode in the length direction of the guide sliding way. According to the forming device for the staple fiber yarn, the possibility that the yarn is intertwined on the bobbin can be reduced.

The invention relates to the technical field of spinning frame rotating speed control, in particular to a spinning frame spindle rotating speed control method and system. Determining a tension abnormal saliency value of each cycle period; obtaining a deviation significant value of the rotating speed of the spindle in each cycle period; the rotating speed state difference value of the spindle in each cycle period is obtained; analyzing the correlation degree of the tension abnormal saliency value and the rotating speed state difference value of all the cycle periods during the running period of the spinning frame, and determining the abnormal influence degree of the rotating speed of the spindle during the running period of the spinning frame; optimal control parameters of the PID controller are obtained through an optimization algorithm, the abnormal influence degree serves as the weight, in combination with performance indexes of the PID controller, a fitness function of the optimization algorithm is constructed, and the spindle rotating speed of the spinning frame in the next operation period is controlled. Therefore, the spindle rotating speed control stability of the spinning frame is improved.

The utility model relates to the field of twisting machines, in particular to an electric roller of a twisting machine, which comprises a twisting machine frame and electric roller assemblies, the electric roller assemblies are symmetrically arranged on the upper portion of a frame body of the twisting machine frame, and suspension plates are symmetrically arranged at the bottom of the frame body of the twisting machine frame and below the electric roller assemblies. A driving box is arranged on one side of a first traction wheel and one side of a second traction wheel, a stepping motor is arranged in the driving box, and a third cylindrical gear is driven to rotate through the stepping motor, so that the first traction wheel and the second traction wheel which are assembled and connected to the two sides can rotate clockwise; therefore, the yarn can be smoother when being pulled by the traction wheel, the yarn can be better guided to the winding roller at the bottom to be wound, and the full-automatic roller is longer in service life compared with a traditional semi-automatic roller.

The utility model relates to the technical field of spinning frames, and discloses a yarn winding device for a spinning frame, which comprises a base, the middle side of the top of the base is fixedly connected with a mounting seat, the top of the mounting seat is fixedly connected with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected with a fixed seat, and the inner side of the fixed seat is rotatably connected with a lower press roll. A connecting seat is fixedly connected to the right side of the top of the base, a servo motor is fixedly connected to the front side of the connecting seat, a rotating shaft is fixedly connected to the output end of the servo motor, a mounting tenon is fixedly connected to the surface of the rotating shaft, a winding roller sleeves the surface of the rotating shaft, and a mounting hole is formed in the inner side of the winding roller. The mounting clamping grooves are formed in the inner walls of the mounting holes, the mounting clamping tenons, the rotating shafts and the like are arranged to be matched with the mounting clamping grooves for use, the winding roller can be quickly mounted on the rotating shafts by sliding the mounting clamping grooves into the mounting clamping tenons, operation is easy, consumed time is short, the yarn winding efficiency is improved, and use is convenient.

The utility model discloses a twisting device for cotton spinning yarn processing, which comprises a base and a mounting plate, the rear end face of the base is connected with the mounting plate, the mounting plate is vertically arranged, a first motor is mounted in the base and connected with a bottom plate, a connecting rod is mounted on the top surface of the bottom plate, and the connecting rod is connected with the mounting plate. The twisting device comprises a bottom plate, a connecting rod is arranged on the bottom plate, an extension plate is arranged on the top of the connecting rod, threading holes are formed in the tops of the two sides of the extension plate, and two non-twisted spinning threads are arranged on the bottom plate. The wetting mode enables the bobbin below and the processing environment to be in a wet state, and if wiping is not carried out, the situation that a wire coil is excessively damped and a machine is excessively damped is caused.

The utility model belongs to the technical field of spinning frames, and particularly relates to a segmented drafting transmission device for a roller in a spinning frame, two groups of segmented drafting transmission devices are arranged on a rack in a central symmetry structure, and each segmented drafting transmission device comprises a V-shaped mounting plate matched with the section of an air duct; a first adjusting assembly and a second adjusting assembly are further arranged on the V-shaped mounting plate, a reduction gearbox is arranged between the first adjusting assembly and the second adjusting assembly, and the reduction gearbox comprises a sealing box body and a speed reduction assembly; the speed reduction motor and the speed reduction box are combined with the V-shaped mounting plate and the middle roller to perform special structural arrangement, so that the size of the device is simplified on the premise that the functions of the device are guaranteed, occupation of spindle space in a spinning frame is reduced, the torsional vibration phenomenon of the middle roller is weakened to be within an allowable range, and meanwhile, the torsional vibration of the middle roller is reduced. Compared with the structure of a spinning frame in the prior art, the loss yield is reduced, and the advantage of improving the yield of the spinning frame is reflected from the side.

The utility model belongs to the technical field of textile, and particularly relates to an adjustable twisting mechanism of a twisting machine, which comprises a base, a first fixing block, a first motor, a first electric hydraulic rod, a second electric hydraulic rod, a second fixing block and a second motor. The first fixing block, the first electric hydraulic rod, the second electric hydraulic rod and the second fixing block are all fixedly connected with the upper side of the base, the first fixing block, the first electric hydraulic rod, the second electric hydraulic rod and the second fixing block are sequentially arranged at the upper end of the base, and the upper end of the first fixing block is in bolted connection with the first motor. Through mutual cooperation of the twisting adjusting assembly and the winding adjusting assembly, thread raw materials can be twisted, meanwhile, the twisting length can be adjusted, the twisted threads are wound after twisting is completed, the tightening degree during winding is adjusted, operation is easy, the production efficiency is improved, meanwhile, the production cost is reduced, and the production efficiency is improved. And the influence on the twisting quality is reduced.

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 discloses a production method of a moisture-permeable warm-keeping composite fabric. The production method comprises the following steps: selecting raw cotton; cotton mixing and plucking; cotton opening picking; cotton carding is conducted; cotton combing; multi-fiber mixed bale plucking; opening and picking the mixed fibers; carding the mixed fibers; drawing the mixed fibers; fiber roving is mixed; spinning; processing the compound fabric. Compared with the prior art, the paper yarn, the water-soluble vinylon filaments and the short fibers with excellent wearability are compounded in a multi-element mode, development of the composite yarn with the self-adaptive moisture permeability and heat retention property is achieved, and then development of the corresponding composite fabric is achieved.

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 carrier gear assembly for compact spinning, and relates to the technical field of spinning. The gear shaft sealing device specifically comprises a gear shaft, a connecting sleeve fixed to the outer walls of tooth pieces and the tooth pieces arranged on the two sides of the connecting sleeve, the sides, close to the connecting sleeve, of the two tooth pieces are provided with double-end sealing assemblies used for sealing, the other sides of the tooth pieces are provided with single-end sealing assemblies used for being sealed with the gear shaft, and connecting rings are fixed to the inner side end faces of the tooth pieces. The connecting ring is rotationally connected to the outer wall of the connecting sleeve in a clearance fit mode. The whole carrier gear is arranged to be a combination of the tooth pieces and the connecting sleeve, and the tensioning force in the rotating direction between the tooth pieces and the connecting sleeve is achieved through the buffer tensioning spring, so that when a tooth gap occurs due to abrasion, the two tooth pieces rotate relative to the connecting sleeve while being meshed, and therefore the tooth gap is formed. Therefore, the opposite sides of the teeth of the two tooth pieces are combined to form a tooth shape with the tooth width becoming larger for meshing, and the abrasion clearance is compensated.

The invention relates to the technical field of nylon yarn processing, and discloses a twisting device for nylon yarn processing, which comprises a bottom plate, a base is fixedly connected to the top of the bottom plate, a rotating table is rotatably connected to the top of the base, a discharging mechanism is arranged on the outer side of the rotating table, the discharging mechanism comprises a platform plate, and the platform plate is arranged on the top of the rotating table. Through cooperation of a feeding mechanism and a discharging mechanism, a moving plate can flexibly move on the inner side of a U-shaped plate, when a winding reel is correspondingly discharged, after a control rod is directly inserted into a control hole, the moving plate is further pushed, a placing plate is controlled to move towards the inner side of the U-shaped plate, and after the center position of the winding reel is aligned with a first placing rod and a second placing rod, the winding reel is placed on the U-shaped plate. The winding reels can be rapidly taken down and installed through the second placing rod by controlling the moving plate to move, and compared with the mode that multiple winding reels need to be manually installed and replaced during multi-strand twisting, more manpower is saved, and the machining efficiency is improved.

A conveyor belt, power transmission belt or machine tape (1) being open-ended with two ending edges (6, 7) and with a longitudinal length (L) in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) running in said longitudinal direction, and being spaced apart from each other by a transversal width (W); b) a first textile layer (2); c) a first coating layer (3); and optionally d) one more through holes (5) perforating the belt through its overall thickness (T), each of these through holes (5) being formed by a hole edge (5a); characterized in that i) the first textile layer (2) comprises fibres or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasound-cut or laser-cut and / or the optional hole edge(s) (5a) is(are) laser-cut. The belt or tape has melt-sealed edges, can be made endless by conventional end-joining and can be used in fluff-generating environments, such as a spindle tape.

The utility model discloses a wool yarn doubling device, and relates to the technical field of wool yarn processing. The device comprises a box body, one side of the top of the box body is fixedly connected with a supporting plate, one side of the top of the supporting plate is fixedly connected with a transposition motor, the output end of the transposition motor is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a mounting shell, and one side of the interior of the mounting shell is fixedly connected with an electric push rod. One side of the electric push rod is fixedly connected with a mounting disc, the top of one side of the mounting disc is fixedly connected with a blade, and the bottom of one side of the mounting disc is fixedly connected with a pressing block. By arranging the mounting shell, the blade and the pressing block, the production efficiency is greatly improved, and the production process is accelerated by reducing manual operation; the equipment can meet the requirement of mass production, defects caused by manual operation errors are reduced through automation, and therefore the consistency and quality of products are improved.

The utility model relates to an improved organza yarn spinning machine which comprises a main machine frame and an auxiliary machine frame, a heating box, a false twister and a roller device are installed on the main machine frame, a winding drum is installed on the auxiliary machine frame, the false twister is a double-guide-wheel false twister, the double-guide-wheel false twister comprises a main plate, and two sets of speed increasing assemblies are installed on one side of the main plate in parallel. A small rotor is arranged between the two sets of speed increasing assemblies, an adjusting assembly is installed on the main plate, and the adjusting assembly is connected with the speed increasing assemblies. A cooling device is installed between the main machine frame and the auxiliary machine frame, and after being heated in the heating box, yarn is false twisted through a false twister, penetrates through the cooling device through a roller device and then is wound and formed in a winding drum. According to the utility model, the cooling device is additionally arranged between the conveying roller and the winding drum, so that the temperature of yarns after winding and forming is consistent, and the stability of yarn products is ensured; the double-guide-wheel false twister is adopted to prevent slipping, the transmission ratio of the speed increasing wheel to the rotor component is increased, and the overall structure of the false twister is optimized.

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 an energy-saving two-for-one twister for processing filaments, which relates to the technical field of textile machinery and comprises a processing table, side plates are fixedly arranged at two ends of the processing table, a support rod is fixedly arranged between the two side plates, and a plurality of limiting plates which are uniformly arranged and distributed are fixedly arranged at the top of the support rod. Through the transmission arrangement of a second belt wheel, a first belt wheel and a belt, after the first belt wheel rotates, the rotating piece is driven to rotate on the limiting plate, so that the S pole plate and the N pole plate are driven to rotate, an electric coil in the rotating piece cuts a magnetic field, the electric coil is provided with current, and the magnetic field is cut through a storage battery pack. According to the two-for-one twister, the power generated by the two-for-one twister is processed and stored, the purpose of reducing consumption by fully utilizing the kinetic energy of the equipment is achieved, and the problems that when an existing two-for-one twister runs, power consumption is large, and a mechanism for utilizing the mechanical kinetic energy of the equipment to reduce energy consumption is lacked are solved.