650results about "Continuous wound-up machines" patented technology

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 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 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 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 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 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 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 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 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 application discloses a multifunctional elastic deformation device, which comprises a raw silk yarn placing frame, a feeding and pressurizing device, a high-temperature deformation device, a cooling and shaping device, a false twisting device, a stretching and pressurizing device, a movable wire exploring device, an oiling device, a winding device and the like. The oiling device is arranged in a layered oiling mode, and the layered oiling mode can change the wire path by adjusting the relative positions of the wire guide porcelain pieces, the active network node device and the movable wire exploring device in the wire path, so that the spinning variety can be switched, the user can produce the silk variety with higher production benefit according to the market demand, the cost is saved, and the equipment utilization is improved. In addition, the application adopts the multi-circle surrounding stretching guide disc structure to optimize the wire path of the stretching and false twisting area, maximally reduces the tension of the stretching and false twisting area, and effectively improves the quality of the finished silk.

The invention relates to the technical field of fiber treatment, in particular to pretreatment mixing processing equipment for aramid fiber production, limiting disc bodies are symmetrically and fixedly arranged at the two ends of a guide cylinder, and mixing limiting groove bodies are formed in the annular surface of the outer side wall of the guide cylinder at equal intervals; the mixing limiting groove body and the mixing auxiliary mechanism are used in cooperation to conduct mixing pretreatment on the fiber bundle strips, and the arranged guide iron ring is used in cooperation with the mixing limiting groove body on the outer side of the guide cylinder and the mixing auxiliary mechanism on the front side supporting plate to conduct mixing pretreatment processing on the fiber bundle strips. According to the fiber bundle guide device, the fiber bundle guide plate body and the mixing limiting groove body are matched for use, so that a binding effect can be provided for the fiber bundle guide when the fiber bundle guide is subjected to mixing treatment, the fiber bundle guide is prevented from being scraped and damaged when passing through a feeding opening of a drawing frame, a mixing carding effect is achieved for the fiber bundle guide, and the fiber bundle guide device is suitable for being used in a drawing frame. The problem that multiple strands of fiber bundles are scattered during mixing work is solved.

The utility model discloses a furling device for vortex spinning production, which comprises a support, a first motor is fixedly connected to the top of the support, a lead screw is fixedly connected to an output shaft of the first motor through a coupler, a movable block is movably connected to the outer wall of the lead screw, a motor cover is fixedly connected to one side of the movable block, and the motor cover is fixedly connected to the other side of the movable block. The inner wall of the motor cover is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with a rotating shaft through a coupler, a winding drum can be conveniently taken and placed when yarn winding is completed, a hydraulic cylinder can drive a supporting block to be away from the outside of the rotating shaft, a lead screw is driven by the first motor to rotate, and the lowering height is conveniently adjusted; and in the subsequent process, the electric push rod conveniently pushes the winding drum to move through the push block so that the winding drum can be far away from the rotating shaft, automatic discharging is facilitated, the working intensity is effectively reduced, convenience is brought to discharging, and the device solves the current problem of convenient discharging.

The invention provides a spinning machine. The spinning machine includes a spinning device, a yarn storage device, a winding device, a yarn joining device, a suction tube, a second catching device (24), and a moving portion (67). When the yarn (15) is broken, the suction tube captures the yarn (15) on the side of the spinning device and guides the yarn (15) on the side of the spinning device towards the yarn joining device. The second catching device (24) is disposed so as to face the yarn path, and catches the yarn (15) on the opposite package side when the yarn (15) is broken. The acting portion is disposed between the second catching device (24) and the yarn joining device on the yarn path, and separates the yarn (15) on the spinning device side and the yarn (15) on the package side when the yarn (15) is broken. The yarn joining device starts yarn joining while the action unit separates the yarn (15) on the spinning device side and the yarn (15) on the package side.

The invention relates to the technical field of cashmere fabric spinning, and discloses a cashmere fabric spinning device with a broken end active positioning function and a using method thereof.The cashmere fabric spinning device comprises a rack, and a first electric shaft, a second electric shaft and a third electric shaft are arranged in the rack; a carding roller, a wool feeding roller and a rotating cup are fixedly installed at the end of the first electric shaft, the end of the second electric shaft and the end of the third electric shaft respectively, a conveying pipeline used for conveying fibers and an impurity sucking pipeline used for sucking impurities are arranged on the machine frame, and a yarn guiding pipe is fixedly installed on the machine frame. According to the spinning device, the rotating plate rotates to be in a vertical state by means of pressure of yarn on the pulleys, when the yarn breaks, tension of the yarn disappears, the pulley close to the broken side loses the pressure of the yarn firstly, the pulley drives the rotating plate to rotate towards the broken side of the yarn, and the rotating plate rotates to the broken side of the yarn. The two magnetic plates drive the two clamping plates to move relatively to be closed, and the magnetic rods are prevented from overturning downwards under the action of gravity.

The utility model relates to a doffing roving machine lifting table top counterweight driving device which comprises a rack and a sliding seat vertically connected to the rack in a sliding mode, one end of the sliding seat is fixedly connected with a lifting table, a plurality of connecting seats are arranged at the other end of the sliding seat in a protruding mode at intervals in the length direction of the sliding seat, and the connecting seats all extend to the back side of the rack and are fixedly connected with vertically-extending racks. The rack is meshed with a gear, the gear is driven by a driving shaft in a penetrating mode, the top of the rack is fixedly connected with a first chain, the top of the first chain is arranged on a first transmission wheel in a winding mode, the first transmission wheel penetrates through a linkage shaft, a second transmission wheel is further coaxially arranged on the linkage shaft, and a second chain is arranged in the second transmission wheel in a winding mode. A balancing weight is hung at the other end of the second chain through a hook; the lifting tabletop counterweight driving device of the doffing roving frame has the advantages that the structure is simple, the linkage matching is stable, and the cost is lower.

The application belongs to the field of spinning machines, and particularly relates to a fiber conveying device of a rotor spinning machine, which is arranged in the rotor spinning machine and comprises a fiber conveying disc, one side of the fiber conveying disc is provided with a recess, the middle part of the recess is provided with a conical boss, a conical slope is arranged between the conical boss and the recess, one side of the conical boss is provided with a rotor with a U-shaped cross section, the other side of the fiber conveying disc is provided with a circular mounting plate, the inside of the mounting plate is provided with a mounting part, the mounting part corresponds to the position of the conical boss, a yarn outlet is arranged through the middle part of the conical boss and the mounting part; the inside of the fiber conveying disc is provided with a fiber conveying channel, the angle of the fiber conveying channel is 30-40 degrees, the inlet of the fiber conveying channel is arranged on the side wall of the mounting plate, and the outlet of the fiber conveying channel is arranged on the side wall of the conical boss; the application can more reasonably make the fiber pass through the fiber conveying channel and enter the rotor, and is beneficial to avoiding the leakage of the yarn between the rotor and the fiber conveying disc, and improves the quality of the formed yarn.

The utility model relates to the technical field of twisting equipment, and discloses a composite spandex coated yarn twisting device which comprises a base, and a circular plate is movably connected into the top end of the base in a sleeved mode. The locking mechanism is arranged at the top end of the circular plate; the locking mechanism comprises a fixing shaft, and the bottom end of the fixing shaft is fixedly connected with the top end of the circular plate. According to the composite spandex coated yarn twisting device, a unique quick release structure is adopted, a traditional complex fastening bolt and nut connection mode is abandoned, when the line wheel needs to be disassembled and assembled, an operator only needs to screw a screwing block, the line wheel can be quickly fixed and unfixed, compared with a traditional device, the efficiency is remarkably improved, and the labor intensity of workers is lowered. Therefore, in daily production, once the wire wheel is abraded and needs to be replaced, or the wire wheel needs to be replaced due to production of products of different specifications, the wire wheel can be rapidly replaced, the downtime of equipment is greatly shortened, and a powerful guarantee is provided for efficient production.

A conveyor, power transmission or machine belt (1) which is open ended and has two end edges (6, 7) and a longitudinal length L in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) each extending in the longitudinal direction and separated from each other by a transverse width (W); b) a first fabric layer (2); c) a first coating layer (3); and optionally d) one or more through holes (5) through the overall thickness (T) of the belt, each of the through holes (5) being formed by a hole edge (5a), characterized in that i) the first fabric layer (2) comprises fibers or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or a thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasonic or laser cuts and / or the optional hole edges (5a) are laser cuts. The belt or band has melt sealed edges, can be made into a loop by conventional end joining, and can be used in environments where lint is produced, such as a spool belt.

An open-end spinning rotor (1) has a rotor shaft (2) by means of which the open-end spinning rotor (1) can be supported in a bearing (3), in particular in a magnetic bearing, and a rotor cup (4) in which a fiber material can be spun. The rotor shaft (2) and the rotor cup (4) are detachably connected to each other via a coupling device (5), wherein the coupling device (5) includes a magnetic device (6), in particular a permanent magnet, for axially connecting the rotor shaft (2) and the rotor cup (4) as well as a positive-locking connection for torque transmission between the rotor shaft (2) and the rotor cup (4), wherein the positive-locking connection comprises a first coupling profile (8) which is arranged on the rotor shaft (2), and a second coupling profile (9) which is arranged on the rotor cup (4). The first coupling profile (8) and the second coupling profile (9) are designed as multi-round profiles, in particular as six-round profiles.

The invention relates to a yarn processing machine (200) and a sensor strip (100) for detecting a temperature and / or a temperature change (211) at a spinning point (201) in a yarn processing machine (200), in particular in a ring spinning frame (200). The sensor strip (100) comprises a detection unit (110), a connection portion (130) and a strip (150). The strip (150) is in the form of a common housing (150) for the detection unit (110) consisting of a plurality of infrared sensors (111) for detecting the temperature and / or temperature variation (211) at the spinning point (201) and the connection (130) connectable to another sensor strip (100) or to the yarn processing machine (200).