108 results about "Yarn strength" patented technology

The invention discloses an automatic single-yarn strength tester and a test method, and relates to the technical field of textile detection equipment, the automatic single-yarn strength tester comprises a single-yarn strength tester used for testing breaking strength, breaking elongation and breaking strength indexes of a single yarn and fiber pure spinning or blended yarn; and the translation mechanism is used for translating a plurality of distributed yarns and carrying out continuous high-efficiency test operation. According to the automatic single-yarn strength tester, a connecting piece is pulled through a tension spring, then a fastening piece and a limiting block are driven to conduct limiting installation on a limiting groove in a rubber pad, the rubber pad can be rapidly replaced after being abraded, the yarn clamping stability is ensured, and the testing accuracy is ensured; the good friction force of the clamping face can be recovered by replacing the rubber pad, it is ensured that the single yarn is tightly fixed in the clamping mechanism, the single yarn cannot move due to unstable clamping in the tensile test process, it is ensured that the test can be conducted smoothly, and the result is accurate.

The invention relates to the technical field of yarn tensile strength testing devices, and discloses a textile yarn tensile strength testing device which comprises a rack, a yarn positioning assembly is fixedly mounted on the inner side of the middle of the rack, tensile testing assemblies are slidably mounted in the two sides of the rack, and a first threaded shaft is rotatably mounted between the two opposite side walls of the rack; moving blocks matched with the stretching test assembly are installed on the two sides of the exterior of the first threaded shaft in a threaded mode, and a middle supporting pile matched with the yarn positioning assembly is rotationally arranged on the outer side of the middle of the first threaded shaft in a sleeving mode. After the structure is adopted, the device has the following advantages that a plurality of groups of yarns can be correspondingly mounted between the stretching test assembly and the yarn positioning assembly, the yarns can be stretched and subjected to strength test at the same time, the strength of the yarns is detected through the plurality of groups of tension force sensors, and data in the plurality of groups of tension force sensors are obtained at the same time; the tensile strength of the yarn can be quickly judged, and the testing efficiency is improved.

The invention discloses a detection technology for yarn production, and relates to the technical field of yarn production detection, and the detection technology comprises the following steps: 1, reeling yarns in a yarn production process, carrying out yarn making operation after finishing reeling, carrying out strength stretching operation on the yarns in a yarn making process, and carrying out centralized collection after stretching, burrs of the collected yarns are removed; 2, after the burrs of the yarn are removed, the strength of the yarn is detected randomly through a detection machine frame, and the strength of the yarn is classified and marked after detection. Yarns are conveyed through the conveying mechanism, the random starting mechanism is started during conveying, and the detection mechanism is started through the random starting mechanism, so that the strength of the yarns can be detected irregularly in the moving and conveying process of the yarns, manual operation during yarn detection is avoided, and the detection efficiency is improved. And cheating of yarn operation results is avoided.

The invention relates to the technical field of textile detection, in particular to a yarn strength detection device convenient for continuous detection, which comprises an unwinding wheel, a moisture content regulation and control mechanism and a stretching mechanism, the water content regulation and control mechanism is positioned between the stretching mechanism and the unwinding wheel; a clamping assembly is arranged on the stretching mechanism, and a fixing assembly is arranged between the moisture content regulation and control mechanism and the stretching mechanism; the moisture content of the yarn is rapidly adjusted through the moisture content adjusting and controlling mechanism, so that the strength of the yarn under different humidity is rapidly obtained, and strength pre-screening of the yarn is achieved. Long-time presetting and high energy consumption of a large constant humidity box are avoided, and yarns with obviously substandard strength can be quickly identified and removed, so that the detection flux is greatly improved, and the equipment and operation cost is reduced.

The invention discloses a cone yarn quality on-line detection system, and relates to the technical field of cone yarn detection.The cone yarn quality on-line detection system comprises a box body and a detection assembly, the detection assembly is arranged in the middle of the box body and comprises a lower pressing wheel, the lower pressing wheel is arranged in the middle of the box body, and pressing springs are symmetrically connected to the two sides of a bearing frame of the lower pressing wheel; the other end of the pressure spring is connected with an adjusting plate, and the middle of one side of the adjusting plate is connected with an electromagnet. When the device is used, the strength of the whole yarn can be detected in the process of visual detection of the yarn, the yarn can be prevented from being broken in the strength detection process, the unqualified strength position can be marked for later treatment, batting and the like on the yarn can be removed in the detection process, and the detection efficiency is improved. The fluff is prevented from flying and adhering to the device, the yarn is dried, the situation that the cone yarn absorbs water vapor in the air when placed, and consequently strength detection is not accurate is avoided, and meanwhile marking pigment can be prevented from adhering to the device.

The invention discloses a chinlon monofilament yarn strength detection device, and belongs to the field of chinlon detection, the chinlon monofilament yarn strength detection device comprises a support assembly, a strength detection mechanism is mounted in the support assembly, a clamping regulation and control mechanism corresponding to the strength detection mechanism is mounted in the support assembly, and an adjusting mechanism is mounted on the surface of the support assembly. The clamping regulation and control mechanism comprises a movable block and a fixed block which are installed in the supporting assembly. Through cooperative use of the devices, based on mutual cooperation of a driving motor, a driving gear and other components, a corresponding clamping plate and a moving block drive a polyester monofilament to rotate, so that the state of the polyester monofilament in the detection box is changed into a spiral shape, the surface area of the polyester monofilament is increased, and therefore the temperature and humidity of the polyester monofilament are balanced when the temperature and humidity of the polyester monofilament are balanced. Meanwhile, through the arrangement of an air guide fan, air circulation in the detection box is increased, and based on the laser range finder, the length of the polyamide monofilament sample is controlled, and the moisture diffusion path is shortened.

The invention relates to the technical field of yarn manufacturing, in particular to yarn strength testing equipment for spinning. According to the technical scheme, the device comprises a test supporting plate, a guide block is fixedly installed on one side of the test supporting plate, a threaded rod guide assembly is installed on one side of the test supporting plate, a yarn conveying assembly is installed on the side wall of the test supporting plate, and two kink recovery assemblies are installed on one side of the test supporting plate. An inserting type guide wheel rod drives a recording sliding rod to move upwards along a limiting guide column, so that an auxiliary spring extrudes a built-in thread guide block to face a pressure sensing assembly on one side of a clamping positioning inserting block, it is represented that pressure applied to yarn is not enough, a worker can finely adjust the distance between two wire clamping blocks through a computer, and the yarn clamping efficiency is improved. Therefore, the clamping force can be well adjusted according to the clamping state of the yarn, the yarn is fully clamped, and meanwhile the situation that the strength result of the yarn is affected due to the fact that the clamping force borne by the yarn is too large or too small is avoided.

The invention belongs to the technical field of textile, and particularly relates to a preparation method of soft yarn. Long stapled cotton, fine staple cotton and water-soluble filaments are used as raw materials, blowing, cotton carding, pre-drawing, lap forming, combing, secondary drawing, vortex spinning, automatic spooling, slashing and two-for-one twisting doubling are carried out, and the plied yarn wrapped soft yarn with the single yarn and the plied yarn being opposite in twist degree and the water-soluble filaments serving as cores is prepared. The water absorption, the softness, the yarn strength and the product durability are difficult to balance.

The utility model relates to an elastic elongation testing device for spinning, which comprises a stand column, an upper clamp holder, a tension scale and a lower clamp holder, the stand column is provided with the fixedly arranged upper clamp holder and the liftable lower clamp holder, the lower clamp holder is connected with the tension scale, the tension scale and the lower clamp holder synchronously ascend and descend, and the tension scale is connected with the lower clamp holder. A sampling length of 400-600mm is arranged between the lower clamp holder and the upper clamp holder at an initial position, an elastic limiting sensor corresponding to the lower clamp holder is arranged on the upright post, the elastic limiting sensor is arranged below the initial position of the lower clamp holder, a digital display height gauge is arranged at the bottom of the upright post, and a ruler disc of the digital display height gauge is connected with a clamping jaw. According to the utility model, the defect that the traditional single-yarn strength tester can not test the elastic elongation and the elastic elongation is overcome, one machine has two purposes, the conventional detection of the traditional strength tester can be simultaneously carried out, the elastic elongation test can also be carried out, the investment of equipment and instruments is saved, and effective data which is more helpful for the production of the previous and later weaving process can also be obtained.

This invention discloses a fully automatic integrated device and method for single yarn strength testing, belonging to the field of textile testing technology. It includes: a mounting plate, a testing mechanism, and a bobbin changing mechanism. The testing mechanism and the bobbin changing mechanism are respectively mounted on one side of the outer wall of the mounting plate. A linkage gear meshes between an outer rotating disk and an internal gear to generate differential rotation. A fixed frame is fixedly mounted on one side of the outer wall of the linkage gear. The fixed frame rotates with the outer rotating disk and the generated differential rotation, changing its own position and angle. In this invention, the device implements a differential transmission design, which can automatically complete bobbin gripping, angle adjustment, and alignment. The single bobbin changing time is reduced to the second level. The elastic hinge and baffle of the placement component enable batch storage and automatic replenishment of bobbins, achieving seamless connection between testing and bobbin changing. The daily testing efficiency is greatly improved, meeting the needs of large-scale production and continuous testing of the equipment itself.

The present invention belongs to the technical field of defect detection, and specifically provides a yarn defect detection device, including a conveyor belt, which is divided into an inlet section, a detection section, and an outlet section. The inlet section is provided with a marking machine, and the inlet section is connected to one end of the detection section. The detection section is provided with a visual camera, a yarn strength machine, a yarn twist meter, a yarn regain and count detection device in sequence, and the visual camera, the yarn strength machine, the yarn twist meter, the yarn regain and count detection device are all electrically connected to an information processing system. The other end of the detection section is connected to the outlet section, and the outlet section and the inlet section are arranged in a colinear manner. The outlet section and the inlet section are provided with matching interval feeding devices. Through the above arrangement, a standardized yarn detection step is formed, and the detected yarn can be marked at the same time to prevent the defective yarn target from being lost, and the number of yarns entering the device for detection can be limited to prevent misdetection and missed detection.

The invention relates to the technical field of yarn strength detection devices, in particular to a textile yarn strength detection device which is characterized in that a square groove is formed in a fixed frame, a movable plate is arranged in the fixed frame, the movable plate is connected with a moving mechanism, the fixed frame is installed on a machine base, and a fixed clamping jaw body is installed on the machine base; a connecting plate is arranged on the fixed clamping jaw main body; a tension sensor main body is arranged on the movable clamping jaw main body; a fixing mechanism is arranged on the yarn bobbin mounting frame; the yarn strength detection device has the beneficial effects that after one-time detection is completed, the movable clamping jaw clamping plate can move downwards to clamp a yarn head on the fixed clamping jaw clamping plate, the fixed clamping jaw clamping plate can be far away from the yarn head, the movable clamping jaw main body moves upwards, then the fixed clamping jaw clamping plate is used for clamping yarn, yarn strength detection is conducted, and after the yarn is broken, the movable clamping jaw main body moves downwards; and reciprocating operation can be carried out, continuous strength detection work of the yarn is achieved, repeated yarn feeding operation of workers is not needed, and the workload of the workers is relieved.

The invention provides a loom capable of weaving double-layer flannelette, and relates to the technical field of looms. The spinning equipment frame body is placed on the ground, a doubling thread conveying roller is rotationally arranged on the spinning equipment frame body, and doubling threads are conveyed by the doubling thread conveying roller; two base blocks are fixed in the spinning equipment frame body, two first hydraulic cylinders are fixed on the bottom end surface of the upper base block, two first hydraulic cylinders are also fixed on the top end surface of the lower base block, and the extending ends of the two upper first hydraulic cylinders are fixed on a test block. In the aspect of doubling thread strength detection, the device achieves strength detection of doubling threads one by one through a testing assembly in a spinning device frame body; the base block, the first hydraulic cylinder and the test block are matched with each other, the strength of the doubling thread is judged by pulling the doubling thread, the problem of breakage caused by insufficient strength of the doubling thread in the subsequent spinning process is effectively avoided, the trouble of re-threading is reduced, the continuity of the spinning process is ensured, and production interruption and material waste caused by thread breakage are reduced.

The present invention discloses a high-quality weaving method based on weaving structure design adjustment, which relates to the field of spinning technology, including: decomposing the target structure of weaving; establishing a weaving classification recognition model, establishing a yarn strength classification model; determining the strength of the yarn used in the basic weaving classification as the basic yarn strength; establishing a silk thread forming model; determining the material of the silk thread constituting the yarn used in the basic weaving classification, and determining the forming scheme of the silk thread used in the basic weaving classification of textiles; obtaining at least one variable weaving classification; obtaining a variable weaving classification different from the basic weaving classification; obtaining the characteristic target yarn of the characteristic variable weaving classification. By establishing a weaving classification recognition model, a yarn strength classification model and a silk thread forming model, different degrees of weaving are performed at different positions of the textile, so as to meet the strength requirements of different positions of the textile and improve the flexibility of weaving.

The invention provides a textile yarn strength testing device, and relates to the technical field of yarn strength testing. Hinge frames are installed on the left side, the right side, the front end and the rear end of the frame through hinges, transparent glass is fixed to the hinge frames, four sets of ground feet are installed at the lower end of the frame through bolts, and a bottom plate is fixed to the lower end of the frame. After yarn strength detection is completed, broken yarn can fall on a bottom plate, at the moment, a first hydraulic rod stretches out and draws back to enable a second toothed plate to drive a rotating rod to rotate, the height of a scraping plate is reduced till the lower end of the scraping plate makes contact with the bottom plate, then two first motors are started, a rolling wheel rotates on a rail plate, and therefore the scraping plate is driven to move forwards; the broken yarn falling on the bottom plate can be effectively pushed forwards through the design of the scraping plate, cleaning is facilitated, the cleaning efficiency is improved, the overall testing process efficiency can be improved, the broken yarn can be effectively treated, and the burden of manual cleaning is relieved.

The utility model relates to the technical field of carding machines, and discloses a spinning carding machine auto-leveling device which comprises a machine body, the left side of the machine body is fixedly connected with a feeding port, the right side of the machine body is rotationally connected with a baffle, and the inner wall of the top end of the machine body is fixedly connected with two first hydraulic rods. Two second hydraulic rods are fixedly connected to the inner wall of the top end of the machine body, the pushing ends of the first hydraulic rods are fixedly connected with a shell, a square opening is formed in the top end of the shell, a sliding plate is slidably connected to the inner wall of the shell, and a plurality of sliding grooves are formed in the inner wall of the sliding plate; fixing rods are fixedly connected to the inner walls of the front side and the rear side of the shell correspondingly. According to the utility model, the spacing adjustment is realized, which means that the working width of the leveling wheel can be adjusted according to different batches or types of cotton, the uniform mixing of fibers is ensured, the quality of yarns is improved, the spacing adjustment is realized, the phenomenon that broken ends are increased in the spinning process is reduced, and the strength of the yarns is kept consistent.

To provide a multilayer-laminated composite cross-sectional fiber having high anti-see-through property, UV-cut property, thermal insulation property, sweat stain suppression, hygroscopic property, and excellent mechanical characteristics and having raw yarn strength satisfying process-passing property and high-degree properties.SOLUTION: A multilayer-laminated composite cross-sectional fiber has, in a fiber cross section vertical to a fiber axis direction, a multilayer structure comprising a laminate of 3 to 15 layers of polymeric components of three or more kinds similar to a fiber surface, contains inorganic particles in an amount of 5 mass% to 40 mass% relative to the entire fiber, and has a ΔMR of 2.0% or more and 10.0% or less.SELECTED DRAWING: Figure 2

The present application relates to the field of spinning-related equipment, and more particularly to a fully automatic single yarn strength machine and single yarn testing method, comprising a housing and a testing device disposed on the housing; a rotating disk is rotatably connected to the bottom of the housing, and a plurality of fixed posts are spaced apart along its circumferential direction, a winding drum is plugged onto the fixed posts, and the winding drum can rotate relative to the fixed posts; a first drive for driving the rotating disk is disposed at the bottom of the housing; the testing device comprises a traction clamp and two fixed clamps, the two fixed clamps being spaced apart along the height direction of the housing; a suction nozzle is disposed on the traction clamp; a traction drive is disposed on the housing, the traction drive being arranged parallel to the height direction of the housing, and the traction drive drives the traction clamp to flip from the outside of the housing to the inside of the housing. The testing method comprises clamping a thread end, testing the yarn for the first time, testing the yarn again, and repeating the test multiple times to obtain the average value. The present application facilitates yarn testing and improves testing efficiency.

This invention belongs to the field of textile materials technology, and provides a method for preparing low-twist wool yarn spun with water-soluble filaments for knitted felt fabric, as well as the knitted felt fabric itself. This invention utilizes the reinforcing effect of water-soluble filaments during spinning to significantly reduce yarn twist while maintaining high strength. By reducing the twist of the fine yarn, a loosely structured wool yarn can be obtained, improving the effect and quality of felting. Combined with the reinforcing effect of water-soluble filaments, this invention resolves the contradiction between the textile processing strength requirements and the loose structure needed for felting in knitted felt fabric yarn. By controlling the spacing between the water-soluble filaments and the wool roving, as well as the type of the twist triangle, the water-soluble filaments and wool roving can form intertwine without covering, thus ensuring yarn strength while achieving successful dissolution of the water-soluble filaments. The results of the embodiments show that the breaking strength of the low-twist wool yarn spun with water-soluble filaments provided by this invention is 397.60 cN.

The invention relates to the technical field of yarn detection, and discloses a textile nylon yarn detection device which comprises a detection frame and a detection rotating disc rotationally arranged at the upper end of the detection frame, a traction clamp assembly is arranged at the top of the detection rotating disc, and the traction clamp assembly comprises traction seats symmetrically and movably arranged at the two ends of the top of the detection rotating disc; one end of the traction seat is provided with a tension sensor, one end of the tension sensor is provided with a connecting frame movably matched with the rotary drum, and the upper end of one side of the connecting frame is provided with an upper clamping plate. Through mutual cooperation of the arranged detection rotating disc, the arranged raw material storage disc and the arranged traction clamp assembly, end fixing and traction of yarn can be automatically achieved according to rotation of the detection rotating disc during detection, meanwhile, the yarn on the raw material storage disc can be pulled to be unwound, subsequent yarn fixing and traction can be continued after one circle of rotation, and the detection efficiency is improved. Therefore, the continuous detection of the yarn strength is realized, and the working efficiency is greatly improved.

The present invention provides a method for manufacturing a hybrid cord, the method comprising the steps of: preparing a high-strength fiber and a thermoplastic fiber; co-twisting the high-strength fiber and the thermoplastic fiber by a direct cabler to produce a raw cord; and thermally treating the raw cord to manufacture a dip cord, wherein the high-strength fiber has a yarn strength of 15 g / d or more and a cutting elongation of less than 10%, and the thermoplastic fiber has a yarn strength of 5 g / d to 10 g / d, a melting temperature of 220°C or higher, and a cutting elongation of 12% or more.

The application belongs to the field of spinning and yarn, and provides a preparation method of high-loft warm eiderdown blended yarn, comprising the following steps: selecting pure white eiderdown with eiderdown content greater than or equal to 95%, fiber length of 10mm-30mm and loft of AAAA grade or above as eiderdown; selecting wool as base material fiber, and the blending ratio of eiderdown is less than or equal to 30%, and the rest is wool; pretreating the eiderdown and the wool respectively, then combining the eiderdown and the wool to obtain a mixture; combing the mixture, then performing head doubling, two doubling, roving, twisting, twisting and self-winding, and the high-loft warm eiderdown blended yarn is obtained. Wool fiber is used as the base material to provide the yarn body framework and strength support of the yarn, the strength and moisture absorption of the yarn are improved, and the dyed wool and white eiderdown are mixed to highlight the white quality of the eiderdown.

The utility model belongs to the technical field of cotton spinning processing, and particularly discloses a single yarn strength tester convenient for automatic feeding, which comprises a machine body and a console, the console is mounted on the left side of the machine body, a feeding guide plate is fixed at the top of the front end of the machine body, and two groups of guide wheels are arranged on one side of the feeding guide plate. A lifting motor is installed on the left side of the lower portion of the feeding guide plate, an output shaft of the lifting motor is fixedly connected with a propelling gear, the right side of the propelling gear is connected with a toothed rail in a meshed mode, the toothed rail moves up and down on the machine body, a lifting block is fixedly connected to the right side of the toothed rail, and a mounting base is fixedly connected to the lifting block; and the top end of the mounting seat is fixedly connected with a steering motor. According to the single-yarn strength tester convenient to automatically feed, through the arrangement of the lifting motor, broken yarns can be automatically pulled in, manual re-cycloid is not needed, automatic feeding can be achieved, multiple continuous tests of the yarns can be completed, more accurate test results can be obtained, and the time consumed by manual feeding is shortened.

This utility model discloses a blended fiber mixing device for processing blended yarns, including a base. A processing cylinder and a mixing cylinder are respectively arranged on the left and right sides of the upper part of the base. The processing cylinder and the mixing cylinder are jointly and fixedly installed with a feeding channel. A discharge port is fixedly installed on the right side of the mixing cylinder, and a feeding port is fixedly installed on the upper left side of the processing cylinder. A cover plate is placed on the feeding port, aiming to solve the problem of low product quality. The key technical point is: a blended fiber mixing device for processing blended yarns. This utility model uses a combination of rotation and vibration to pre-treat the fiber raw materials, effectively removing impurities and significantly improving the quality of the yarn. The yarn after impurity removal has more uniform strength and a finer feel, thereby improving the quality of the final product.

The present invention provides an elastic vortex core-spun yarn and a production method thereof; the elastic vortex core-spun yarn is produced by using an outer wrapped whisker and a core yarn raw material through a vortex core-spun yarn spinning device, the elastic vortex core-spun yarn spinning device comprising a vortex spinning machine and a core yarn guide device arranged on the upper part of the vortex spinning machine; the vortex spinning machine comprises a front roller and a front leather roller (7) and a spindle (8) matched with the front roller; along the processing direction of the core yarn raw material, the core yarn guide device comprises a core yarn guide frame, a core yarn tension disk (16), a core yarn guide hook (15), a core yarn tension control part (14), and a core yarn airflow guide part (13) in sequence. The yarn produced by the method of the present invention can retain the excellent characteristics of high vortex spinning efficiency, smooth fabric surface, and good anti-pilling performance; by changing the type of the core yarn of the vortex core-spun yarn, the yarn also has the characteristics of good elasticity, good elastic recovery performance, soft and comfortable hand feeling, and high yarn strength.

The invention relates to the technical field of diaphragm materials for alkaline water electrolysis hydrogen production, in particular to a thin diaphragm for alkaline water electrolysis hydrogen production and a preparation method thereof.The preparation method comprises the steps that S1, opened polyphenylene sulfide fibers are placed in sulfonation treatment liquid to be subjected to sulfonation treatment, after sulfonation treatment is completed, cleaning treatment and drying treatment are sequentially conducted, and then the thin diaphragm is obtained; carrying out spinning treatment to form yarns; s2, uniformly mixing the solid component with water to prepare sizing liquid, and then sizing the yarns by adopting the prepared sizing liquid; and S3, weaving the yarns by using weaving machine equipment, and then sequentially performing desizing treatment and heat setting treatment to obtain the thin diaphragm. The content of oxygen atoms in the thin diaphragm is effectively increased through the pre-sulfonation treatment procedure, the yarn strength and wear resistance are enhanced through sizing treatment, and the weaving yield is increased; through the synergistic effect of the working procedures, the thin diaphragm has excellent air tightness, and the sheet resistance of the thin diaphragm is reduced.

The application relates to a functional elastic colored point yarn of a composite structure and a production process thereof, which comprises a colored point yarn body, the colored point yarn body is combined by colored point roving and spun yarn blending, triangular bright polyester fiber is used as the colored point, the colored point is bright and shiny, the elastic core-spun yarn and the Selovier yarn have two yarn structures, the proportion of spandex is relatively high, the yarn has good elasticity, with the contraction of the elastic yarn, the covered filaments are accumulated on the yarn surface to form an effect similar to that of the covered yarn, the single-fiber fineness of the polyester filaments is soft and delicate, has good silky touch, increases the yarn strength and the wear resistance of the yarn, is suitable for the development of sports, yoga and other fabrics, has a unique style, the application has the effects of elastic covering and star point-like gorgeous effect of the cloth surface.

The invention discloses an automatic material strength detection device and method based on knitted fabric processing, and relates to the technical field of yarn strength detection. The material strength automatic detection device based on knitted fabric processing comprises a movable head and a fixed head which are symmetrically arranged according to the transverse axis of a machine shell, and a telescopic clamp is used for stretching out and drawing back under the action of gas and loosening and pressing yarn. The yarn taking device is used for pulling the yarn under the action of traction force and making the yarn fall off from the winding position or directly cutting off the yarn from the middle, and the yarn cutting piece is used for driving the yarn and cutting off the yarn when at least one end of the yarn cannot move. According to the material strength automatic detection device and method based on knitted fabric processing, all the pressing cylinders are controlled to move in the direction away from or close to the fixed head through the wind pressure effect, the free end of yarn is made to fall off from the winding pipe or cut off the yarn through the traction effect, yarn replacement is convenient, and the yarn detection efficiency is improved.

The utility model discloses a single yarn strength machine for improving accuracy of fabric preparation relates to single yarn strength machine technical field, including the single yarn strength machine body of vertical placement in the ground, the single yarn strength machine body front side is equipped with the adjusting groove. This single yarn strength machine for improving accuracy of fabric preparation, through adjusting screw drive adjusting frame horizontal removal, reverse screw drive detection slider symmetry reverse removal, realized the accurate positioning of clamping block in two -dimensional plane, to satisfy the demand of different yarn spacing and stretching path, through the linkage driving swing arm around fixed axle rotation, make all clamping block automatic, synchronous open and whole to adjusting frame interior retreat and avoid, need not manual intervention to remove the fixture from test area fast, leave out sufficient space for operator fast removal old yarn, place new yarn, greatly shorten the test interval time, improved the efficiency of continuous batch detection.

The present invention discloses a yarn strength tester, belonging to the technical field of yarn testing, which includes a moving seat and a control panel fixedly installed on the front side of the moving seat near the right side. Through the mutual cooperation among components such as a reciprocating lead screw, a vertical plate, a servo motor, a threaded sleeve A, a square rod, an n-shaped plate, a hydraulic cylinder A, a disc, a square block, a yarn roller and a square groove, the yarn roller can be driven to move back and forth while paying off the yarn, thereby reducing the friction of the yarn on the yarn roller during yarn feeding, and at the same time reducing the torsional stress existing during unwinding, avoiding affecting subsequent yarn testing. In addition, through the mutual cooperation among components such as a combing frame, a U-shaped plate, a flexible rod, a movable gear, a transmission gear, a rack plate A, a movable plate, a turntable, a swing rod, a movable rod, a driven bevel gear and a driving bevel gear, the yarn can be deflected back and forth for combing during yarn unwinding and feeding, reducing the torsional force of the yarn.