978results about "Continuous wound-up machines" patented technology

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 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 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 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 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 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.

The utility model relates to a production system for core-spun wrapping ring spinning, which comprises a silk winder for combining two single filaments into double filaments and then winding the double filaments on a roving bobbin, and a spinning frame connected with the roving bobbin, and a tension device for the double filaments to bypass is arranged between the roving bobbin and a double-groove godet wheel of the spinning frame. And the two single filaments are respectively wound by the filament separating rod. A traditional spindle blade type silk winder is improved, the purpose that two filaments are combined into roving bobbin packages is achieved, and therefore a filament bobbin winding mode which is large in capacity, compact in thread pitch and long in spinning period is provided for the spinning stage. Secondly, spinning equipment is modified, a tension device and a yarn separating rod are arranged, a double filament is separated into two single filaments, and the two single filaments and short fibers are fed together for twisting, so that the yarn changing frequency is reduced, the high-altitude operation frequency is reduced, and the production efficiency is guaranteed.

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 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 utility model discloses a collecting roller for chemical fibers, and relates to the technical field of collecting rollers for chemical fibers, and the collecting roller is technically characterized by comprising two bearing plates, L-shaped plates are fixedly connected to the front side and the rear side of one of the bearing plates, and a pushing mechanism is fixedly connected to one side of each L-shaped plate; the cleaning device has the technical effects that the starting and stopping time of the hydraulic rods is set through the control panel, then the connecting plates are distributed and attached to one sides of the fixing blocks, the screws are rotated to fix the connecting plates, the cleaning brushes are fixed, the cleaning efficiency is improved, and the cleaning effect is improved. When the preset starting time is up, the control panel controls the hydraulic rods to be started, so that the cleaning brushes move on the surfaces of the collecting roller bodies in parallel, foreign matter and impurities on the surfaces are cleared away through the cleaning brushes, the impurities and the foreign matter on the surfaces of the collecting roller bodies can be cleared away automatically and regularly, and the cleaning efficiency is improved.

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.

This invention specifically relates to a segmented transmission device for the middle roller of a whole-section box-type spinning frame. The device is mounted on the frame, which includes a middle wall plate. A horizontal circular beam is connected to the top of the middle wall plate. The horizontal circular beam is assembled from several short circular beams. The segmented transmission device for the middle roller is located in the middle of the horizontal circular beam. The segmented transmission device includes a motor mounting base, a servo motor, a planetary reducer, a gearbox, and two couplings. The servo motor is located on one side of the motor mounting base and has a rated output torque of 6.2 Nm. The planetary reducer increases the output torque of the servo motor by 10:1, and the gearbox increases the output torque of the planetary reducer by 4.1 times. The two couplings are located at both ends of the gearbox output shaft. The total output torque of the entire segmented transmission device for the middle roller is 254.2 Nm. This invention can shorten the length-to-diameter ratio of the middle roller transmission and avoid the occurrence of torsional vibration of the middle roller.

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 the technical field of textile machinery, and discloses a multi-channel spun yarn sliver guiding device which comprises a top plate, the top of the top plate is fixedly connected with a plurality of first fixing frames, the right side of the first fixing frame on the left side is fixedly connected with a bearing column, and long holes are formed in the front side and the rear side of the outer wall of the bearing column. A compression disc is slidably connected to the top of the inner wall of the bearing column, a plurality of columns with hooks are fixedly connected to the bottom of the compression disc, springs are slidably connected to the outer walls of the columns with the hooks, and the tops of the springs are fixedly connected to the bottom of the compression disc. According to the utility model, a spun yarn tube is sleeved, the rotating cylinder is screwed, one end of spun yarn is drawn out, the pressing column enables the compression disc to slide, the column with the hook penetrates through the hole of the rotating disc, the spun yarn is hung on the hook, the pressing column is released, the compression disc ascends, the spun yarn penetrates through the hole, various spun yarns are mixed and penetrate through the inlet, the controller is started, the motor works, the spun yarn is mixed and guided, and the efficiency is improved.

The utility model relates to the technical field of textile, in particular to a computer-controlled polyester yarn high-speed elasticizer which comprises a base, a moving seat is arranged at the top of the base, a rotating motor is fixedly connected to the outer wall of the moving seat, a rotating roller is fixedly connected to the output end of the rotating motor, and a rotating roller is arranged on the outer wall of the rotating roller. A clamping plate groove is formed in the outer wall of the rotating roller, an adjusting screw rod is movably connected to the inner wall of the rotating roller, a rotary knob is fixedly connected to the other end of the adjusting screw rod, an adjusting plate is in threaded connection to the outer wall of the adjusting screw rod, a hollowed-out groove is formed in the adjusting plate, a linkage column is arranged in the hollowed-out groove, and a clamping plate is arranged in the clamping plate groove; connecting plates are fixedly connected to the inner walls of the clamping plates, linkage grooves are formed in the connecting plates, and knob grooves are formed in the other ends of the rotating rollers. According to the clamping device, clamping is rapid and convenient, adjustment can be conducted according to polyester yarn cylinders with different inner diameters, and the cost caused by replacement in the later period of clamping through the elastic force of the spring is saved.

A splicing method of a splicing device on a ring spinning machine with a plurality of spinning stations, from which rovings are brought out from delivery rolls and are converted into yarn and are wound on a tube, in the event of a yarn break, the splicing device produces a splice in which a yarn end is connected to a roving coming out from a delivery roll and the spinning process is continued. Alternatively according to procedure a), a yarn end of the broken yarn is searched for, the found yarn end is detected and is used for splicing to obtain a tube without yarn interruption, or according to procedure b), an auxiliary yarn from a yarn supply is fastened to the tube, then the auxiliary yarn is separated to obtain a yarn end fastened to the tube, and the yarn end is used for splicing to obtain a tube with yarn interruption. Depending on the degree of utilization of the capacity of the splicing device and / or the possible prospect of success of procedure a), it is selected whether a yarn end is provided according to procedure a) or b), assuming that procedure a) takes more time than procedure b.

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 utility model relates to the technical field of spinning, and discloses an improved convenient and efficient yarn correcting device for spinning. The improved convenient and efficient yarn correction device for spinning comprises a first electric push rod, a first push rod, a cross rod, a heat dissipation plate, a fixed disc, a rotary movable shaft, a second electric push rod, a second push rod, a yarn correction motor, a yarn correction end, a yarn correction position, a movable motor, a movable transmission shaft, a movable lead screw, a supporting base, a control motor, a control transmission shaft and a third electric push rod. And a third push rod, a movable universal wheel and a brake device. According to the improved convenient and efficient yarn correcting device for spinning, by improving the yarn correcting device, the yarn correcting capacity of the yarn correcting device is improved, in the actual using process of the yarn correcting device, yarn can be rapidly and effectively corrected according to needs, position deviation of the yarn is avoided, and the yarn correcting efficiency is improved. And the use experience of the improved convenient and efficient yarn correcting device for spinning is improved.