16results about How to "Improve yarn quality" patented technology

The invention belongs to the technical field of spinning equipment, and particularly discloses a fiber damage avoiding system for a gas vortex spinning device, which integrates multiple functions of fiber pretreatment, airflow control, fiber conveying, real-time monitoring, intelligent control and the like, and aims to comprehensively improve the fiber protection capability in the spinning process, and improve the spinning quality by optimizing the pretreatment process of fibers. By means of the intelligent humidity control and mechanical softening technology, the fibers reach the optimal processing state before entering a spinning area, initial damage to the fibers is reduced, stress uniformity of the fibers in the spinning process is guaranteed, fiber damage caused by airflow fluctuation is avoided, data are fed back to the damage prevention control unit, and the damage prevention control unit is used for preventing the fibers from being damaged. Spinning parameters are automatically adjusted, intelligent and dynamic optimization of the spinning process is achieved, and the possibility of fiber damage is further reduced.

The invention relates to the technical field of textile yarn production, and discloses a textile yarn production monitoring, regulating and controlling method which comprises the following steps: step 1, inspecting raw materials through comprehensive inspection equipment, and performing preliminary inspection and screening on the raw materials; the intelligent management system is arranged, the whole yarn production process is monitored, data of each link are collected in real time and transmitted to the system center, when the system detects unqualified product values, an analysis program can be immediately started through a built-in intelligent algorithm, the problem is judged, and corresponding countermeasures are triggered, so that the production efficiency is improved, and the production cost is reduced. And if the problem is derived from the raw materials, the system can immediately mark the batch of raw materials as unavailable, and if the problem occurs in the subsequent production process, such as improper fiber treatment and substandard spun yarn quality, the system can quickly send a work stopping instruction to the production line, so that the effect of reducing the use consumption of the production line is achieved.

The invention discloses a cotton spinning process for producing worsted pure wool yarns, and relates to the technical field of cotton spinning processes, which comprises the following steps: step S1, wool raw material screening and wool top cutting technology, step S2, wool fiber health treatment, step S3, wool top preparation, step S4, spinning process optimization, and step S5, wool fiber moisture regain control in the spinning process. Wool fibers selected by the wool raw materials are one of merino wool, Kastell wool, Toska wool, Buddha wool and northern Spanish wool, and the wool tops are cut by cutting the wool fibers into 40-45mm in length through a stretch-breaking assembly. The first motor is installed to start and drive the dispersion rod to rotate, the dispersion rod rotates to loosen wool raw materials, the loosen wool raw materials fall into the surface of the conveying belt to be treated, and the functions that the wool raw materials are looser, entanglement among wool fibers is reduced, and meanwhile fiber damage is reduced to the maximum extent are achieved.

This invention relates to a blending process for hemp fiber and sorona fiber, belonging to the technical field of blending and processing of natural fibers and bio-based elastic fibers. The blending process for hemp fiber and sorona fiber of this invention includes the following steps: raw material selection → pre-spinning process → post-spinning process → packaging. This invention solves the problems of poor spinnability, high breakage rate, and stiffness and wrinkling in pure wet-spun hemp through specific proportions and wet spinning processes, achieving high-count, stable, and high-quality production. This significantly improves spinnability, enhances yarn quality, and greatly improves hand feel and comfort, achieving high elasticity and comfort to meet user needs.

The invention discloses a roving compact spinning buncher, comprising a buncher rod and two bunching blocks; the bunching block comprises a body, which is a wedge-shaped block, and comprises an A surface located at one side of the yarn inlet and a D surface located at one side of the yarn outlet, a horizontal surface on the body is the B surface, and a left-right symmetrical surface is the C surface; a yarn path channel is provided on the body, which runs from the A surface to the back surface, and the yarn path channel is a channel formed by a closed space curved surface on the inner surface, and the angle between the axis of the yarn path channel and the C surface is θ, and the angle between the axis of the yarn path channel and the B surface is β, and the yarn channel passes through the body from top to bottom and from left to right and gradually decreases, presenting a shrinking inverted trumpet shape. By arranging this buncher in the front drafting zone of the drafting, the yarn path of the roving conveying can be changed, so that the roving bundling effect is better, the weak twist zone at the front roller outlet is reduced, the roving strength is increased, the roving hairiness is reduced, and the yarn quality is improved.

This utility model discloses a bearing assembly structure for a rotor motor, including a housing, a motor spindle, and a rotor. The housing houses a stator assembly and a rotor assembly arranged opposite to each other. The motor spindle is located inside the housing, and its output end is coaxially connected to the rotor to drive its rotation. A support base is located at the head of the housing, and a cover is mounted on the support base. The shaft of a DC brushless motor is connected to the air-jet spinning rotor assembly, transmitting the rotational power generated by the motor to the rotor. The motor speed can be precisely controlled by changing the input voltage or current to meet the needs of different spinning processes, improving production efficiency and yarn quality. It features high efficiency, fast response, and high stability. The bearing design provides a larger support area, significantly reducing vibration and offset of the motor spindle during high-speed rotation, thereby improving the concentricity and operational stability of the rotor.

The invention relates to a spinning method based on a spinning microenvironment system, in the spinning process, constant-temperature and constant-humidity air flow is conveyed to each spinning unit through a variable cross-section air supply pipeline, and the air flow quantity and the air flow speed conveyed to each spinning unit are equal; all the spinning units are independently connected with the variable-cross-section air supply pipeline through branch pipes, the cross sectional areas of all the branch pipes are equal and equal to the cross sectional area of the output end of the variable-cross-section air supply pipeline, all the branch pipes are distributed in the length direction of the variable-cross-section air supply pipeline at equal intervals, and the interval is the spindle distance L of the spinning units; the section of the variable-section air supply pipeline is round, square or rectangular, and the cross section area, length or width of the variable-section air supply pipeline from the airflow input end to the airflow output end is evenly decreased. Each spinning unit is provided with a unit fairing composed of a fairing body and a flow guide plate, and the flow guide plate is a perforated plate provided with uniform through holes in the thickness direction. The microenvironment temperature and humidity of the drafting area of the spinning unit are stable, and the yarn forming quality and the production efficiency are effectively improved.

The present invention discloses a wire bundle winding device, which comprises a frame, a winding head, a lifting mechanism, a wire cutting and sucking device, a pre-network device, a lower guide plate, an upper guide plate, and a lifting seat; the frame comprises two side walls, a transverse wall connecting the two side walls, and a support portion fixed on the transverse wall; the rear end of the winding head is located between the two side walls; the lifting mechanism comprises a support frame and a lifting drive, the lower end of the support frame is located above the front end of the winding head, the support frame is obliquely fixed to the support portion, and the lifting drive is arranged on the support frame; the wire cutting and sucking device, the pre-network device, and the lower guide plate are located at the lower end of the support frame; the lifting seat is fixed to the movable end of the lifting drive, and the upper guide plate is fixed to the lifting seat.

The application discloses a multiple composite yarn spinning method, which adopts four single-drive rollers, a rubber roller with rubber roller sleeves added to the left and right of a back upper flat roller, and a roller with a roller sleeve added to the middle of a back lower roller, and includes single roving feeding spinning, double roving feeding spinning and triple roving feeding spinning, and single roving feeding, double roving feeding and triple roving feeding are selected respectively, each roving fed can be selected to undergo two-group independent two-zone drafting processes, and then the production of fancy yarns with different effects is realized, the variety of yarns is enriched, the added value of the yarns is improved, and in the drafting process, the drafting effect is improved and the yarn quality is improved by the additional friction force field of the middle and back upper rubber roller and the additional friction force field of the back lower roller.

The utility model relates to the technical field of textile machinery, and discloses an air blowing and suction cleaning device of a ring spinning frame, which comprises a supporting mechanism and a cleaning mechanism, the cleaning mechanism is fixedly connected to the surface of the supporting mechanism, the cleaning mechanism comprises a blowing unit and a collecting unit, the blowing unit is fixedly connected to the surface of the supporting mechanism, and the collecting unit is fixedly connected to the surface of the supporting mechanism. The collecting unit is fixedly connected to the surface of the supporting mechanism. According to the air blowing and suction cleaning device of the ring spinning frame, by arranging the adjustable air blowing head, an operator can debug the air blowing nozzle to the optimal cleaning position, the cleaning requirements of different positions can be met, and therefore the cleaning effect is improved, operation is easy and convenient, the cleaning effect is remarkably improved by optimizing the air blowing and suction structure and layout, and the cleaning efficiency is improved. Dust and impurities generated in the operation process of the ring spinning frame are effectively removed, the spun yarn quality is improved, machine faults are reduced, and the service life of a machine is prolonged.

This application belongs to the field of carbon fiber manufacturing technology, and discloses a carbon fiber sizing yarn bundling device, comprising: an upper roller assembly including an upper roller frame and an upper bundling roller rotatably mounted on the upper roller frame, the upper bundling roller having a first annular groove along its circumference on its surface; a lower roller assembly disposed below the upper roller assembly, including a lower roller frame and a lower bundling roller rotatably mounted on the lower roller frame, the lower bundling roller having a second annular groove along its circumference on its surface; the upper and lower bundling rollers corresponding one-to-one, and a bundling channel forming between the first and second annular grooves; a mounting frame including a sliding groove, with both ends of the upper roller frame slidably disposed within the sliding groove, and both ends of the lower roller frame fixedly disposed on the mounting frame; and a counterweight mechanism mounted on the upper roller frame. By applying pressure through the counterweight mechanism, the bundling channel can apply pressure to the sizing carbon fiber yarn during bundling, thereby squeezing out excess sizing material and compacting it. Simultaneously, during the bundling process, the upper and lower bundling rollers are rotating, resulting in low frictional resistance between them and the yarn.

The invention discloses a production method of high-quality blended yarns, which comprises the following steps of: sequentially and independently opening and cleaning polyester and viscose to prepare polyester and viscose flows, conveying the polyester and viscose flows to a mixed cotton feeder according to a required mixing proportion by a cotton distributor, and arranging a rear cotton box, a middle cotton box and a front cotton box in the mixed cotton feeder, mixed fibers flow through the rear upper cotton box, are vibrated, overturned and mixed, then are conveyed to the rear lower cotton box, are tiled in the rear lower cotton box at the same height, are flatly laid on the cotton conveying curtain, are conveyed to the middle cotton box at the uniform density, and are grabbed in the middle cotton box through the brad curtain in the thickness direction, so that vertical grabbing and mixing of the two types of fibers after being flatly laid are realized; the cotton fibers are conveyed into a front cotton box through a brad curtain, are subjected to uniform height arrangement in the front cotton box, then are subjected to vibration arrangement and are uniformly output, and then directly enter a single beater lapper to prepare polyester-viscose mixed rolls, and the polyester-viscose mixed rolls are subjected to fine carding, impurity removal and slivering of a carding machine, uniform arrangement of two drawing frames, drafting and fine drawing of a roving frame, twisting and winding to obtain polyester-viscose mixed rolls. And the required blended yarn is formed by drafting, fine-drawing, twisting and winding of a spinning frame.

The utility model discloses a rotor bearing for a spinning machine, and relates to the technical field of rotor bearings. Comprising a bearing rod, the bearing rod is sleeved with a bearing outer ring, a jackscrew ring groove is formed in the bearing outer ring, a jackscrew ring is detachably connected in the jackscrew ring groove, the outer wall of the jackscrew ring is detachably connected with a jackscrew, a plurality of clamping grooves are formed in the side wall of the bearing outer ring, the clamping grooves are communicated with the jackscrew ring groove, a fixed baffle is fixedly connected to the jackscrew ring, and the fixed baffle is fixedly connected with the bearing outer ring. The fixed baffle is detachably connected with the clamping groove, an oil injection hole is formed in the bearing outer ring, and an oil plug is detachably connected into the oil injection hole. By rotating the jackscrew ring, the fixed baffle is rotated to the other clamping groove, so that the jackscrew ring can continuously abut against the jackscrew, and the service life of the bearing and the jackscrew ring is effectively prolonged; the problem of bearing movement is solved; the problem that the bearing cannot be tightly held due to aging and deformation of the jackscrew ring is effectively solved; the problems of radial rotation and axial movement of the bearing under high-frequency vibration are solved; and the yarn forming quality is greatly improved.

This invention discloses a spring-loaded cradle, relating to the field of textile equipment technology, comprising a handle, frame, base, locking plate, positioning plate, and pressure adjusting block. The handle is rotatably connected to the frame via a handle pin, the frame is rotatably connected to the base via a first cradle shaft, and the locking plate is rotatably connected to the base via a second cradle shaft. The locking plate has a locking groove, in which a driving pin is embedded, and the driving pin is located at the end of the handle. The handle is rotatably connected to the frame via a handle pin, which is embedded in the pressure adjusting block. The pressure adjusting block has a threaded hole, in which a pressure adjusting screw is threaded. The handle cover is fixedly connected to the handle via the pressure adjusting screw. A positioning plate is also fixedly connected to the frame, and the pressure adjusting block is embedded in the handle. This mechanical structure, which features "one-click fixing and separation of fixing and pressure adjustment," allows for operation by a single person. The cradle is first fixed, and then the pressure is adjusted without interference, greatly improving installation efficiency and reducing labor intensity.

The utility model provides a positioning device for roving spinning, which relates to the technical field of cotton yarn roving and comprises a bottom plate, a limiting device is arranged on the surface of the bottom plate and comprises an electric push rod, the electric push rod is fixedly connected with the bottom plate, and two telescopic rods are fixedly connected to the surface of the bottom plate. The output end of the electric push rod is fixedly connected with a fixing frame, the two telescopic rods are both fixedly connected with the fixing frame, a sliding groove is formed in the surface of the fixing frame, the inner wall of the sliding groove is slidably connected with an L-shaped block, a long arm of the L-shaped block is fixedly connected with a limiting cylinder, and the long arm of the L-shaped block is in threaded connection with a screw rod; the surface of the fixing frame is fixedly connected with a scale strip, and a short arm of the L-shaped block is fixedly connected with a pointer. According to the utility model, the problems that the roving is easy to deviate, the tension of the yarn is not uniformly distributed in the take-up and pay-off process due to the position deviation, and the yarn is broken or knotted are solved.

The utility model discloses a kind of beam limiting structure, comprising: main shaft, the side fixed connection of main shaft has transmission gear, main shaft sleeve is equipped with beam cylinder, the both sides of beam cylinder are respectively provided with bearing, main shaft is equipped with accommodating groove, accommodating groove is provided with elastic member, elastic member has a elastic deformation limiting portion, limiting portion is protruding from the opening plane of the accommodating groove in natural state;Wherein, the bearing of the side close to the transmission gear is arranged between the transmission gear and the limiting portion of the elastic member.The limiting portion of the elastic member continuously applies elastic pre-tightening force towards transmission gear to bearing, can automatically compensate the tiny gap generated due to manufacturing tolerance, bearing wear or vibration, ensure that beam cylinder always maintains stable axial position when high-speed operation and yarn tension change, effectively prevent its axial movement, deviation and even disengage from main shaft, greatly improve the stability of the whole process and yarn quality.