84 results about "Fiber type" patented technology

Plied yarns and methods of constructing plied yarns from two different yarns, manufactured using different fibers wherein the plied yarns possess enhanced properties. The yarns developed and described herein are plied yarns, rather than, and in direct contrast to intimately blended yarns. Examples of the fibers and / or yarns utilized in forming the yarns of different fibers described herein, include but are not limited to 100% cotton, Modal, and Lyocell. The yarns described herein can be used for various end uses, including but not limited to formation of terry fabric for use in towels, robes, apparel, and the like.

The invention relates to the technical field of detection devices, and discloses a textile fiber component detection device and method, and the device comprises an optical detector which is used for imaging and photographing the surface of textile cloth. When a first magnetic ring is attracted by the magnetic force of a second magnetic ring, textile cloth can be tightly pressed on the upper surfaces of a first arc block and a second arc block, friction force is generated between the textile cloth and the first arc block and friction force is generated between the textile cloth and the second arc block, and when the first arc block and the second arc block move in the direction away from the second magnetic ring, the textile cloth is fixed. Through the arrangement, when the textile cloth is straightened and flattened, the tensile force on the surface of the textile cloth is more uniform, bending wrinkles caused by uneven tensile force on the local surface of the textile cloth are avoided, and it is ensured that under detection of an optical detection lens, fiber types or surface characteristics of the textile cloth are clear; the accuracy of a detection result is ensured.

The invention provides an intelligent composite material reinforcement and a preparation method thereof, and the preparation method comprises the following steps: respectively using optical fibers and fiber yarns as weaving yarns, introducing the weaving yarns into a weaving machine according to a preset arrangement path, and weaving according to the molding process requirements of corresponding layer connection tissues, the construction of the intelligent composite material reinforcement is realized by independently controlling the introduction path of the optical fiber along the preset direction; wherein the preset direction comprises one or more of the warp direction, the weft direction or the thickness direction of the intelligent composite material reinforcement. According to the invention, the optical fiber is introduced into the intelligent composite material reinforcement body under the condition that the optical fiber is not damaged, and the distribution of the optical fiber in the intelligent composite material reinforcement body can be regulated and controlled by adjusting the introduction direction, the number and the bending angle of the optical fiber; and the method has the advantages of various organization structures, various fiber types, large reinforcement size and density control range, strong designability, good integrity, convenient operation in the weaving process and the like.

The application discloses a kind of hybrid fiber reinforced geopolymer concrete creep test method and system, it is related to hybrid fiber reinforced geopolymer concrete technical field, preparation different fiber species creep test piece;Different loading conditions are set, and the compression creep test is carried out to the creep test piece;In the compression creep test process, the creep data of each creep test piece is collected, and the creep data is handled;Based on the creep data after processing, the creep performance of hybrid fiber reinforced geopolymer concrete is evaluated.The application focuses on the creep behavior of GPC and HFGPC under long-term compression load.By analyzing the influence of fiber type, axial stress ratio and confining pressure level on creep characteristics, the deformation law of fiber reinforced composite materials under long-term service condition is revealed, which provides a theoretical basis for the engineering application of HFGPC and a reference for the prediction of its creep coefficient.

This invention discloses an improved drafting device for a roving frame, comprising a frame, a fixed roller, a movable roller, an adjusting assembly, and a transmission assembly. The adjusting assembly forms a closed-loop system with a pressure sensor, a hydraulic cylinder, and a controller, employing a PID algorithm to achieve precise control of the pressure between the rollers. The transmission assembly utilizes a spiral bevel gear pair combined with a prism-perforated and progressive spring structure to ensure stable transmission during the lifting and lowering of the movable roller. The device also features adaptive PID parameter adjustment, automatically optimizing control parameters according to fiber type. Compared with traditional technologies, this invention offers higher pressure control accuracy, effectively improving production efficiency and intelligence, while reducing energy consumption and maintenance costs.

The optical fiber type light spot homogenizer comprises a machine frame, a laser source is arranged at one end of the machine frame, a multimode optical fiber corresponding to the laser source is arranged at the other end of the machine frame, the laser source emits a laser beam, the multimode optical fiber receives the laser beam, and the multimode optical fiber is connected with the machine frame. The multi-mode fiber laser is characterized in that the relative refractive index difference section of the inner side of the sunken inner cladding of the multi-mode fiber is in a two-stage step decreasing shape, and the center line of the laser beam and the center of the end face of the multi-mode fiber are aligned and offset in parallel by a section of radial offset. The device is small in size, low in cost, compact in structure, good in homogenization effect and stable in performance, and can be directly seamlessly integrated with an input laser source and an output optical fiber system. The optical fiber type light spot homogenizer assembly and the laser beam shaping system can achieve efficient light spot homogenization within the centimeter-level distance. The system can be applied to a vehicle-mounted laser radar, a vehicle-mounted head-up display, a multimode PON optical splitter, laser medical equipment or laser material processing equipment and the like.

This invention discloses a modified fiber-reinforced composite high-permeability concrete and its preparation method in the field of concrete technology. The concrete comprises the following components: silicate cement, fly ash, coarse aggregate, composite fiber, waterborne polyurethane emulsion, activated biochar, water-reducing agent, composite bacterial solution, photocatalyst, and water. By adding modified polypropylene fiber, modified carbon fiber, waterborne polyurethane emulsion, and activated biochar to the concrete raw materials, this invention enhances the mechanical properties of the concrete, improving its stability, compressive strength, and crack resistance. It also increases the void structure of the concrete, further improving its permeability. Simultaneously, the addition of microbial solution and photocatalyst enhances the self-healing and self-cleaning capabilities of the concrete.

The invention relates to the technical field of aerogel material preparation, and discloses functional clay-based aerogel and a preparation method thereof.The preparation method comprises the following steps that 1, clay, organic powder, artificial fibers and water are evenly mixed according to a proper proportion, and a uniform clay-based mixture is obtained; step 2, extruding the clay-based mixture by double rollers for multiple times to obtain a clay sheet; and step 3, carrying out puffing treatment on the clay slices to obtain the functional clay-based aerogel. A three-dimensional network framework of the aerogel is constructed by taking the fiber type clay as a main material and taking a small amount of glass fiber as an auxiliary material, so that the mechanical property of the aerogel is improved; starch is used as a puffing reinforcing agent, so that the density of the aerogel is remarkably reduced, and light heat insulation and flame retardance are realized; a catalyst is loaded in situ by a one-step method, so that the functionalization of the aerogel is realized.

The application provides a winding core spinning device based on a calculus principle and a method and application thereof. The device is provided with a negative pressure air suction port on a special-shaped plate, and a corresponding negative pressure airflow guide assembly is arranged above the negative pressure air suction port. Under the mutual cooperation of the diffusion flow guide hole and the negative pressure air suction mechanism, the spread fiber type short fibers with a certain width and uniformly distributed fiber height parallelism are obtained on the grid ring. Meanwhile, the short fiber sliver, core yarn and winding core yarn form a "y" shape structure in the winding core wrapping area. The core yarn self-rotation drives the short fiber sliver to be tightly wrapped and wound to the outer layer of the core yarn in the winding core wrapping area to form the winding core yarn. Then, the winding core yarn passes through the soft reinforcing winding core part, so that the wrapping layer is tightly attached to the yarn body under the action of temperature and pressure to form a good wrapping effect. The winding core yarn has a compact yarn body and a large core yarn proportion, solves the problems of small wrapping tightness, many wrapping exposed cores and low core yarn proportion of the core-spun yarn on the ring spinning machine, and greatly improves the yarn quality.

The invention discloses a hollow fiber type Janus membrane based on diffusion interfacial polymerization as well as a preparation method and application of the hollow fiber type Janus membrane, and belongs to the technical field of membrane separation. A diffusion device composed of a membrane assembly, a water phase system, an organic phase system, a pressure control system and an online temperature control system is designed, a water phase solution containing amine monomers and an organic phase solution containing acyl chloride monomers are prepared at the same time, and a hollow fiber hydrophobic membrane is fixed in a middle channel of the diffusion device; a water-phase solution heated by the temperature controller is introduced into a cavity of the middle channel through a first water pump, an organic-phase solution is introduced into the hollow fiber hydrophobic membrane through a second water pump, the water-phase solution and the organic-phase solution infiltrate the outer surface and the inner surface of the hollow fiber hydrophobic membrane respectively for diffusion interfacial polymerization reaction, and a polymer active separation layer is formed; and performing drying treatment to obtain the hollow fiber type Janus membrane. The hollow fiber type Janus membrane disclosed by the invention has excellent anti-pollution and anti-wetting properties.

The invention discloses an intelligent detection method, system and device for textile fiber components and a storage medium, and the method comprises the steps: extracting contour features based on a cross section image under the condition that the cross section image and Raman spectrum data of a to-be-detected textile are obtained; extracting spectrum sequence features based on the Raman spectrum data; according to the contour features and the spectral sequence features, determining a fiber classification result of the to-be-detected textile and a corresponding confidence threshold thereof through a trained fiber classification model; under the condition that the corresponding confidence threshold value is larger than a preset threshold value, the structure characteristic value of each fiber in the cross section image in the fiber classification result is determined, and the structure characteristic value comprises the average cross section area, the volume density and the number of the fibers; and the mass percentage content of each fiber in the fiber classification result is calculated according to the structure characteristic value, so that the efficiency and the accuracy of fiber type and mass percentage content detection are greatly improved.

The invention discloses a synthetic microbial flora for improving pork quality and application thereof. The synthetic microbial flora comprises two kinds of probiotics, namely lactobacillus plantarum WY2401 with the preservation number of CCTCC (China Center For Type Culture Collection) NO. The invention relates to ackermann muciniophilic bacteria. The synthetic microbial flora is prepared by compounding lactobacillus plantarum and ackermann mucophile according to a colony formation unit number ratio of 1: 1, concentrating and freeze-drying. Experimental results show that the synthetic microbial flora is added into the basic feed of the fattening pigs, so that the carcass traits are improved, the intramuscular fat content is increased, the conversion of muscle fiber types and the development of muscle fibers are promoted, and the meat quality is improved.

One or more aspects of the disclosure provides a nonwoven fabric comprising a single layer in which the single fabric layer comprises a plurality of different fibers in which each fiber type has desired functionality. In one aspect, a system for preparing a nonwoven fabric having a single fabric layer in which the single fabric layer comprises a plurality of different fiber types, is provided. The system includes a spin beam having a zoned distribution plate disposed upstream of a spinneret, the zoned distribution plate includes a plurality of distribution apertures arranged in zones, wherein each zone is configured and arranged to extrude a plurality of polymer streams that are of a different polymer type than polymer streams extruded by an adjacent zone to the spinneret to form a single layer having two or more types of fibers that are of a different type from each other.

The invention relates to the technical field of image recognition, in particular to a block comparison-based textile fiber classification method, which comprises the following steps of: performing matrix segmentation on a collected fiber photo to obtain a plurality of primary patterns; then identifying a first fiber texture feature corresponding to each first-level pattern; respectively calculating right and interest values of the first fiber texture feature and the corresponding similar fiber feature in the secondary pattern sampling area; and classifying the textile fibers in the fiber photo into a fiber type with the maximum right and interest value. According to the textile fiber classification method based on block comparison, first-level pattern texture features are extracted through matrix block, precise capture of a fiber local structure is achieved in combination with second-level dynamic sampling area analysis, and the misjudgment rate is remarkably reduced; secondly, a hierarchical feature processing strategy is adopted, a key area is rapidly screened through a first-level pattern, then a second-level area right value is calculated in a targeted mode, global redundant calculation is avoided, and the processing speed is increased.

The invention belongs to the technical field of organic solvent detection, and relates to a PTR-MS detection method for organic solvent residues in textiles, which adopts temperature programming dynamic thermal desorption combined with near infrared spectroscopy to synchronously characterize fiber types and moisture content, and regulates desorption parameters according to different matrix characteristics. Then, the thermal desorption gas is directly introduced into an ion mobility-proton transfer reaction mass spectrum combined system, by means of the multi-dimensional separation capacity of the collision cross section and the mass-to-charge ratio, a fragment mode is obtained through dynamic collision energy regulation and control, a multi-dimensional spectrogram library is constructed, rapid detection and accurate recognition of isomeride with similar structures and matrix interferents are effectively considered, and the detection accuracy is improved. According to the method, parameters obtained through the previous steps are integrated to form a six-dimensional data set, fiber-solvent interaction parameters and a graph neural network are combined to construct a matrix-dynamic coupling quantitative model, the influence of matrix adsorption / desorption balance and temperature on dynamics is fully considered, and the quantitative error caused by neglecting matrix-dynamic coupling in a traditional external standard / internal standard method is solved.

The present invention relates to the technical field of textile fiber component analysis, and discloses a system and method for qualitative online analysis of textile fiber components. The system comprises: a spectrum acquisition module, a data processing terminal, and a component identification center, wherein the component identification center includes a spectrum preprocessing unit, a feature matching unit, and a component determination unit. The spectrum acquisition module acquires multi-band spectrum data of textile samples in real time, and the data processing terminal receives instructions to convert the spectrum data format. The spectrum preprocessing unit determines the interference section by recording the spectrum distortion and baseline correction interval, and controls the processing terminal to generate a spectrum feature matrix to calibrate the sample surface component distribution; the feature matching unit matches the fiber type based on this and generates a component report; and the component determination unit controls re-measurement in the interference section when an abnormal spectrum is detected. The system realizes online real-time qualitative analysis of textile fiber components, enhances anti-interference capability, and can be widely used in the field of textile fiber component analysis.

The utility model belongs to the field of textile machinery, disclose a kind of combined apron for apron type carding machine, it is made of metal apron strip (2) and elastic apron strip (1) compound, both are detachably mounted on same apron framework (3) by installation groove (8), can be realized individually replacement without interfering each other;Elastic apron strip (1) is close to fiber inlet, and metal apron strip (2) is set in the back side of elastic apron strip (1);Metal apron strip (2) is made of metal card clothing rack (4) and metal card clothing rack support (5);Elastic apron strip (1) is made of steel needle (7) implanted on base cloth (6) and base cloth (6).The utility model can be individually replaced metal apron strip, elastic apron strip without interfering each other when the change of fiber type or carding process, effectively open loose and separate impurities at apron inlet, maintain long-term stability of process gauge at the most tight place of outlet gauge, facilitate to obtain higher yield, carding quality.

The invention belongs to the technical field of optical fiber devices, and particularly relates to a preparation method of an all-optical-fiber type hollow-core anti-resonance optical fiber low-pressure gas cavity. One end of a hollow-core anti-resonance optical fiber is welded with a reverse tapering single-mode optical fiber, and the other end of the hollow-core anti-resonance optical fiber is coupled with a thermally induced core expansion single-mode optical fiber; high-pressure gas replacement is carried out on the hollow-core anti-resonance optical fiber to enable the cavity to be filled with high-pressure and high-purity gas, then pressure reduction is carried out on the gas cavity, finally, the gradient-index optical fiber is used for assisting welding, the low-pressure gas cavity is sealed, and preparation of the gas cavity is completed. According to the invention, the miniaturized and high-performance hollow-core anti-resonance optical fiber low-pressure cavity can be successfully prepared, and the gas absorption spectrum can be monitored in real time in the preparation process. The all-fiber type hollow-core anti-resonance optical fiber low-pressure gas cavity prepared by the invention has the characteristics of high sealing performance, simple structure and easiness in repeated experiment, and can be used for research on interaction of most hollow-core optical fibers and gas.

The invention belongs to the technical field of hydrogen separation, and relates to a hollow fiber type electrically-driven proton exchange membrane hydrogen pump for hydrogen separation / compression, which is characterized in that the hollow fiber type electrically-driven proton exchange membrane hydrogen pump is formed by packaging one or more hollow fiber type proton exchange membrane electrodes, and hydrogen is separated / compressed from hydrogen-containing mixed gas at high purity under external voltage. Due to the hollow fiber type membrane electrode structure, the bundling packaging mode and the excellent pressure resistance, the specific surface area and the integration level of the proton exchange membrane hydrogen pump can be remarkably improved, and the application requirements of light-weight and large-scale hydrogen separation / compression are met.

The application discloses a kind of hybrid fiber reinforced geopolymer concrete dynamic growth factor prediction method and system, it is related to composite material technical field, including: based on the ratio of dynamic peak stress and quasi-static peak stress under given strain rate, obtain initial peak stress growth factor;Based on the ratio of dynamic elastic modulus and static elastic modulus, obtain the dynamic increase coefficient of concrete elastic modulus;In the case where static compression test piece size and dynamic compression test piece size are consistent, analyze the influence of fiber combination mode, fiber type and content and strain rate on the dynamic performance of test piece;Introduce the secondary fitting of fiber characteristic parameter to initial peak stress growth factor, obtain the modified peak stress growth factor;The dynamic increase coefficient of concrete elastic modulus is fitted by linear function, and the modified elastic modulus growth factor and critical strain rate are obtained.The application can accurately predict the dynamic growth factor of hybrid fiber reinforced geopolymer concrete, and then obtain the impact resistance of material.

The application discloses a fiber type horizontal angle indicating device based on a self-collimation principle and a method thereof, and relates to the technical field of horizontal angle indication.The device comprises a light source, a fiber weight module, a light intensity receiving module and a frame.The light source emits a space light which is coupled into the fiber weight module.The fiber weight module converts the direction of the incident light into a vertical downward direction and emits the light to a measured object.The measured object reversely couples the incident light into the fiber weight module.The fiber weight module emits the incident light to the light intensity receiving module.The light intensity receiving module converts the incident light into an electric signal.The frame is used for suspending the fiber weight module.The application is suitable for the installation and debugging process of high-end manufacturing equipment, measuring instruments and scientific test equipment, and provides high-sensitivity horizontal angle indication for the adjustment requirement of the spatial posture of a sensitive element and the high-precision level of the ground.

The invention discloses a resonance type multi-component fiber composite broadband wave-absorbing structure and a preparation method thereof, and belongs to the technical field of radar wave-absorbing material development. The wave-absorbing structure comprises a metal sheet and a wave-absorbing layer. The wave absorbing layer is of a multi-layer structure, and each wave absorbing layer is composed of a base material and a composite fiber absorbing layer on the surface of the base material. The composite fiber absorption layer has a periodic array structure; the periodic array structure comprises a plurality of absorption units, and each absorption unit is formed by connecting a fiber bundle A and a SiCf fiber bundle to form an H shape or a lamp-like shape; the shapes of the absorbing units in the composite fiber absorbing layers of any two adjacent wave absorbing layers are different; the fiber bundle A is selected from at least one of a SiCN fiber bundle and a SiBCN fiber bundle. According to the invention, specific fiber types with remarkable differential dielectric properties are selected to be combined and cooperated with the shape design among multiple layers, so that the wide effective absorption bandwidth and the strong wave-absorbing performance are realized under the condition of small thickness.

The invention discloses an all-fiber type isolated circular polarizer and a preparation method thereof. The all-fiber type isolation circular polarizer comprises three parts, namely a fiber type polarizer, a fiber type lambda / 4 wave plate and a holding fiber, the fiber type polarizer and the fiber type lambda / 4 wave plate with a certain length are connected in a manner that an axial included angle is 45 degrees, the lambda / 4 wave plate is prepared from novel high-birefringence crystal derived fibers, and the holding fiber is made of high-birefringence crystal derived fibers. The optical fiber type polarizer is composed of a single-polarization optical fiber, a D-type optical fiber, a 45-degree inclined grating or any optical fiber type device with a polarization effect. The all-fiber device which is manufactured based on an improved welding mode and integrates circular polarization and isolation characteristics has the advantages of high temperature resistance, ultra wide band, high performance, low cost, compactness, easiness in integration and the like; the method can be applied to the fields of optical fiber gyroscopes, AR / VR equipment, optical fiber current sensors, high-power laser, optical fiber communication, medical imaging, quantum communication, material structure analysis and measurement and the like.

The invention provides a shaping control method and equipment under fiber structure characteristics, and relates to the technical field of textile shaping, and the method comprises the steps: obtaining the fiber type and fabric structure information of a pre-shaped textile, connecting a pressurization shaping machine, extracting operation parameters, simulating the deformation of fibers under different process conditions, and optimizing the process by taking the fiber structure stability as a target. And controlling the pressurizing setting machine according to the optimal parameter combination. The technical problems that the pressure parameter and the speed parameter of the pressurization setting machine are not matched with the fiber deformation characteristic, the fiber is easily stretched excessively or the structure is damaged, and the size stability of the set textile is poor are solved, and the effect that the size stability of the set textile is poor by associating the fiber structure characteristic with basic information and combining pressure parameter partitioning and speed parameter partitioning is achieved. The method has the technical effects that the deformation correction loss deviation of fibers under different process conditions is simulated, parameter differentiation is performed on a dry setting mode and a wet setting mode, optimization is performed by taking fiber structure stability maximization as a target, and the size stability of a set textile is improved.

The invention provides iron tailing-based composite artificial soil as well as a preparation method and application thereof. The artificial soil comprises an iron tailing-based porous aggregate and a functional compound component loaded on the iron tailing-based porous aggregate, the iron tailing-based porous aggregate has a three-dimensional network pore structure formed by mutually connecting fiber type pores and spherical pores in series. Through the synergistic effect of the porous aggregate and the functional compound component, the functions of water permeation, balance keeping and nutrient slow release are achieved, and the problems of iron tailing resource utilization, mine ecological restoration and degraded soil treatment are solved.

Process for separating and recovering fibres of blended textiles, comprising: providing (100) a blended textile comprising at least a first fibre type being cellulosic fibres and at least a second fibre type being non-cellulosic fibres, dissolving (101) a polar ionic liquid in a supercritical or subcritical phase, contacting (102) the blended textile with the supercritical or subcritical phase, allowing the supercritical or subcritical phase to diffuse into the blended textile, thereby solvating the cellulosic fibres in the supercritical or subcritical phase, depressurizing (103) the supercritical or subcritical phase, collecting cellulosic fibres (104) solvated by the supercritical or subcritical phase, and collecting non-dissolved non-cellulosic fibres (105).

The invention provides a conductive carbon additive as well as a preparation method and application thereof, and relates to the technical field of carbon materials. Specifically, an aqueous solution containing an organic carbon source and an organic nitrogen source is prepared, and a culture solution is obtained after high-temperature sterilization; adding fungus spores into the culture solution, and culturing to obtain hyphae; and sequentially carrying out liquid nitrogen treatment, vacuum freeze drying and high-temperature carbonization treatment on the cleaned mycelia to obtain the fiber type conductive carbon additive. The invention provides a novel fiber-type conductive carbon additive based on biomass derivation, which can effectively overcome the defects that sulfide electrolyte in an all-solid-state battery is easy to oxidize and decompose when being in contact with a traditional conductive carbon additive, the electrode structure stability is poor under the high-activity material content, and the energy density is limited.

The application discloses a kind of gradient spiral structure-based fiber type acceleration sensor and application, including packaging layer, spiral main body, lead and dielectric layer;Packaging layer is located in the outermost side of fiber type acceleration sensor, the two sides of packaging layer are closed, and are connected with the two endpoints of spiral main body respectively;Spiral main body includes matrix skeleton, electrode layer, insulating layer;Lead one end is connected with the electrode layer at the endpoint of spiral main body, the other end passes through packaging layer and is exposed to the outside of fiber type acceleration sensor;Dielectric layer fills the remaining space in fiber type acceleration sensor.The sensor provided by the application can produce capacitance change under acceleration, and is not disturbed by axial tension and normal pressure, thereby realizing high-reliability acceleration detection;The sensor of the application is woven, and a wearable acceleration sensing fabric can be further obtained.The sensor of the application is also suitable for human-computer interaction, humanoid robot, intelligent prosthesis and other application scenarios.

Process for separating and recovering fibres of blended textiles, comprising: providing (100) a blended textile comprising at least a first fibre type being cellulosic fibres and at least a second fibre type being non-cellulosic fibres, dissolving (101) a polar ionic liquid in a supercritical or subcritical phase, contacting (102) the blended textile with the supercritical or subcritical phase, allowing the supercritical or subcritical phase to diffuse into the blended textile, thereby solvating the cellulosic fibres in the supercritical or subcritical phase, depressurizing (103) the supercritical or subcritical phase, collecting cellulosic fibres (104) solvated by the supercritical or subcritical phase, and collecting non-dissolved non-cellulosic fibres (105).

The utility model discloses card clothing of a textile carding machine, which belongs to the technical field of textiles and comprises card clothing base cloth, and a steel needle body is arranged above the card clothing base cloth. The debugging assembly is arranged above the card clothing base cloth and can debug the height of the steel needle body according to different fiber processing requirements; through the arrangement of the debugging assembly, when textile processing encounters different fiber types or processing technologies, a worker can debug the angle of the steel needle body only by pulling the adjusting cloth, the higher steel needle is suitable for carding thicker fibers, scattering of fiber agglomeration and improvement of the uniformity of the fibers are facilitated, and for thinner fibers, the adjusting cloth can adjust the angle of the steel needle body only by pulling the adjusting cloth. The lower steel needle can reduce damage to fibers and avoid excessive stretching, and the adjustable angle of the steel needle body ranges from 60 degrees to 150 degrees, so that the textile processing quality can be effectively improved, and different production and processing requirements are met.