1645results about "Looms" patented technology

The invention discloses a let-off transmission mechanism of a flexible rapier loom, and relates to the field of spinning. According to the scheme, through lever linkage of a counterweight assembly and a state adjusting assembly, the length of a resisting arm is automatically adjusted when the tension of a warp opening is increased, constant tension control over bidirectional warps in high-frequency reciprocating motion is achieved, and it is ensured that weaving textures are uniform. One-side warp tension triggers the deflection frame to drive the gear frames to be meshed with the gears for fine adjustment, the gears are locked by the double gear frames when the two sides are overloaded, opposite acting force is converted into vertical pushing force, the sliding frame and the guide frame are pushed to move downwards, the warp is rapidly released through two-dimensional contraction of the inclined guide hole and the horizontal guide hole, and tension compensation is completed. And the sub-roller groups are linked with the buffer mechanism to prolong the warp, synchronously keep the tension of the opening stable, provide damage-free shutdown protection, and prevent the warp from being broken or the fabric from being damaged. The mechanism breaks through the limitation of traditional single-side adjustment, dynamic load self-adaption and fault transient response are achieved, and the weaving reliability and quality are remarkably improved.

The invention relates to the field of textile control, in particular to a tension control method and system of a high-speed loom. The method comprises the following steps: firstly, obtaining the tension fluctuation degree of each moment according to the tension data difference of the loom at each moment and the tension data distribution of each moment in a preset time domain of each moment, clustering all moments to obtain a first cluster, and obtaining the tension fluctuation degree of each moment according to the tension data distribution of each moment in each first cluster; the method comprises the steps of obtaining a change state value of each first clustering cluster according to the tension fluctuation degree of each first clustering cluster and the difference of the tension fluctuation degree of each first clustering cluster at each moment, further clustering all the first clustering clusters to obtain second clustering clusters, and obtaining the tension change degree of the loom according to the position distribution of each first clustering cluster in each second clustering cluster. And performing PID control on the loom according to the deviation condition of the tension data of the loom at the current moment and the tension change degree. The control effect on the yarn tension of the high-speed loom can be improved.

The cam shedding machine is used for driving a heald frame to reciprocate in the vertical direction, the heald frame is configured to move between the highest point and the lowest point in the vertical direction, and the cam shedding machine comprises a cam shaft, a first cam piece, a second cam piece and a swing arm. The first cam piece and the second cam piece are both fixed to the cam shaft so as to rotate along with the cam shaft. The first cam pieces and the second cam pieces are matched with the corresponding swing arms to output swing and drive the heald frames to move in the vertical direction, the second cam pieces drive the corresponding swing arms to swing so as to drive the corresponding heald frames to move in the vertical direction, the N first cam pieces drive at least one corresponding heald frame to be located at the highest point, and the N second cam pieces drive at least one corresponding heald frame to be located at the highest point. When at least one heald frame is located at the lowest point, the second cam sheet drives the corresponding heald frame to be located at the lowest point; when the N first cam pieces drive the corresponding heald frames to be located at the heald leveling position, the second cam pieces drive the corresponding heald frames to be located at the highest point, and the weaving efficiency is effectively improved through the structure.

The invention discloses a laser broken line rapid identification method for a spinning process, relates to the field of spinning detection, and is used for solving the problem of high identification error rate in a multi-material blending and frequent line changing environment. A multi-channel optical behavior characteristic matrix is formed by constructing a broken line recognition mechanism based on material perception and light intensity behavior characteristic collaborative modeling, collecting light intensity response data of yarn channels, constructing a dynamic detection sequence and extracting characteristics such as shielding amplitude gradient and recovery time delay. A yarn material identifier is introduced, a spectral response template is matched, a broken yarn judgment threshold group is generated, whether shielding sudden change and delay recovery characteristics are met or not is judged in combination with a detection sequence, a broken yarn event is accurately recognized, and recognition parameters are corrected in real time according to the shielding edge change rate and fluctuation stability in light intensity changes before and after yarn breakage. The dynamic optimization of the broken line judgment condition is realized, and the recognition precision and the response speed are improved.

The utility model provides a winding mechanism of a shuttle loom, and belongs to the technical field of shuttle looms. The winding mechanism of the shuttle loom comprises a supporting plate, a rotating mechanism, a mounting groove, a cloth winding shaft assembly, a bearing seat, a first gear, a rotating shaft, a second gear and an adjusting mechanism. By rotating the rotating mechanism, the rotating mechanism drives the cloth rolling shaft assembly to rotate, so that the height position of the cloth rolling shaft assembly is adjusted, the situation that the height of the cloth rolling shaft assembly lifted manually is too large is avoided, and the labor intensity of workers is reduced. Meanwhile, the rotating mechanism drives the cloth rolling shaft assemblies to rotate so that the two cloth rolling shaft assemblies can be used alternately, the cloth rolling shaft assemblies can be disassembled and assembled without shutdown, time waste is avoided, and the working efficiency of products is improved.

The utility model discloses an automatic cropping mechanism of a weaving machine. According to the technical scheme, the cloth cutting device comprises a cloth roller arranged between an upper head wall plate and a lower head wall plate, a left supporting base is arranged on the upper head wall plate, a right supporting base is arranged on the lower head wall plate, the cloth roller is carried on the left supporting base and the right supporting base, an electric heating wire cloth cutting module is arranged above the cloth roller, and the electric heating wire cloth cutting module is arranged above the cloth roller. The electric heating wire cloth cutting module comprises an electric heating wire, a cloth cutting supporting unit used for supporting the electric heating wire and a cloth cutting driving unit capable of driving the supporting unit and the electric heating wire to swing in a reciprocating mode, and an automatic loading module capable of enabling the cloth roller to move leftwards in the axial direction is arranged at the right end of the cloth roller. The left end of the cloth roller is provided with an automatic unloading module capable of enabling the cloth roller to move rightwards in the axial direction till the cloth roller is separated from the cloth roller supporting shaft. According to the scheme provided by the utility model, automatic cloth cutting and automatic loading and unloading of the cloth roller can be realized, and the automation degree of the doffing process of the weaving machine can be improved.

The invention relates to the technical field of textile weaving, and discloses a multi-layer composite weaving method for worsted wool fabric, which comprises the following steps: preparing plush warp yarns, composite weft yarns and shaping warp yarns which are formed by blending various fibers; sequentially carrying out dyeing and sizing treatment on the yarns; a weaving machine is transformed to meet the multi-layer composite weaving requirement; applying the transformed weaving machine to implement multi-layer composite weaving, including warping, drafting and reed passing and weaving, and controlling corresponding process parameters; and carrying out on-line detection in the weaving process and quality detection on the woven gray fabric. The plush warp yarn, the composite weft yarn and the shaped warp yarn are formed by blending various fibers, the yarn performance is enriched, the plush warp yarn has the warm-keeping and soft characteristics, the composite weft yarn has the antibacterial and health-care functions, microorganism breeding is inhibited, the warm-keeping performance is improved, and human body microcirculation is promoted, and the shaped warp yarn enhances the strength and stiff and smooth degree. The overall quality of the worsted wool fabric is improved, and the market diversification requirements are met. The problem of performance limitation of a single fiber is solved.

The utility model discloses a knitting machine broken line monitoring shutdown device which comprises a supporting assembly, a mounting plate, a plurality of monitoring assemblies, a warning assembly and a controller, the mounting plate is arranged on the supporting assembly, and a mounting frame is arranged on the mounting plate; the monitoring assembly is arranged on the mounting frame and comprises an adjusting part, a fixed frame, a telescopic tensioning part, a rotating roller, a first metal sheet and a second metal sheet, and the adjusting part is arranged on the mounting frame; the fixing frames are respectively arranged on the adjusting pieces; the telescopic tensioning pieces are arranged in the fixing frame. The end part of the rotating roller is rotationally arranged at the extending end of the telescopic tensioning piece; the first metal sheet is connected with the extending end of the telescopic tensioning piece and located below the rotating roller. The second metal sheet is arranged on the fixing frame and slidably abuts against the first metal sheet; the warning assembly is arranged on the mounting frame; and the controller is arranged on the mounting plate. Therefore, yarn breakage detection can be performed on the yarn in the knitting machine, so that the product quality is ensured, and the production efficiency is improved.

To provide an inspection system of a textile machine capable of acquiring a distribution of a degree of abnormality of the textile machine while reducing the data capacity stored in a storage section.SOLUTION: An inspection system of a textile machine includes: a classification section that detects a degree of abnormality of the textile machine on the basis of a newly acquired captured image and classifies the newly acquired captured image into one of a plurality of groups on the basis of the detected degree of abnormality of the textile machine; a storage section that stores the captured image for each group; a counting section that counts the number of captured images classified into a target group, which is a group into which the newly acquired captured image is classified, and stores the counted number of captured images in the storage section; and a selection section that determines whether or not to replace the captured image of the target group stored in the storage section with the newly acquired captured image when the number of captured images of the target group stored in the storage section reaches a predetermined upper limit number.SELECTED DRAWING: Figure 5

The invention discloses a yarn breakage prevention processing method and device for warp tension fluctuation compensation and electronic equipment. The method comprises the steps that the actual warp tension value and loom operation parameters are collected in real time; calculating an actual and preset target tension difference value, performing weighted integration, constructing a multi-parameter coupled tension fluctuation compensation model in combination with the operation parameters, and outputting a basic compensation amount; the final tension compensation amount is obtained through raw silk thread density correction and safety threshold constraint; adjusting the rotating speed of a let-off motor or the displacement of a tension roller according to positive and negative compensation quantity, and dynamically correcting in combination with closed-loop feedback; continuously monitoring the tension state, calculating a comprehensive risk index, triggering graded early warning and secondary compensation when the comprehensive risk index exceeds a threshold value, and synchronously reducing the speed when the risk is high; the device comprises a multi-node acquisition unit, a model operation unit, a dynamic adjustment unit and a risk management and control unit, and the electronic equipment adopts a multi-core DSP chip to support real-time operation. The problems of traditional compensation lag and low precision are solved, the tension control precision and the weaving stability are improved, and the yarn breakage rate and the warp loss are reduced.

The invention relates to the field of three-dimensional weaving digital design, in particular to a complex curved surface body three-dimensional weaving flat torsion conversion method and system. The method comprises the following steps: acquiring a three-dimensional model, a warp direction, a weft width, a warp width and a yarn thickness of the complex curved surface body; segmenting the three-dimensional model along the warp direction by taking the weft width as an interval to obtain a plurality of initial sections and corresponding upper boundary line segments and lower boundary line segments; determining an initial reference point of the initial section based on the upper boundary line segment and the lower boundary line segment; layering the initial section by using the yarn thickness and the initial reference point based on the upper boundary line segment and the lower boundary line segment to obtain a plurality of layered structures; and constructing a flattened datum line by using the initial datum point. Based on the layered structure and the flattening datum line, yarn path points are extracted with the warp width as the step length, and a tiled-state three-dimensional weaving path point model is generated. The problems that in the prior art, three-dimensional weaving flat torsion of a complex curved surface body is low in efficiency and poor in precision are solved.

The utility model discloses a double-side unequal-length fabric and a weaving device thereof, the fabric comprises a warp side A, a warp side B and wefts arranged between the warp side A and the warp side B. The warp side A and the warp side B are unequal in line diameter length in the warp direction, and warps are arranged in the direction parallel to the warp side A or the warp side B and located between the warp side A and the warp side B in an equal-density or unequal-density mode; the weft yarns can be uniformly or non-uniformly arranged on the fabric breadth; a cloth cover pressing block on the rotary winding platform enables the cloth cover to do rotary traction motion along with the rotary winding platform, due to the fact that the cloth cover is the same in rotation angular velocity and different in linear velocity, traction linear velocity difference of different warp yarns of the fabric is achieved, double-side unequal-length weaving of the fabric is achieved, and bent pipe fabric or multi-layer fabric weave can be made. In the weaving process, bilateral unequal-length weaving is achieved, one-time forming production can be achieved according to fabric requirements, subsequent cutting or splicing is not needed, the cost is saved, and the fabric performance is improved.

The invention provides an air-jet loom wefting insertion synthetic flow field speed prediction method and system, and the method comprises the steps: setting a monitoring point in a special-shaped reed of an air-jet loom, collecting the speed of synthetic airflow of different types of main and auxiliary nozzles in the special-shaped reed at the monitoring point, carrying out the preprocessing of the collected speed data of the monitoring point, and building a standard sample data set; constructing a prediction model of the KAN-iTransform network structure, inputting the standard sample data set into the KAN-iTransform network structure for iterative training, and outputting the curve speed of the inner edge monitoring point of the special-shaped reed of the air jet loom by the prediction model; performing parameter searching optimization on the prediction model by adopting an improved iCFOA optimization algorithm, and outputting a final prediction model; a prediction model is constructed through an iCFOA-KAN-iTransform algorithm, the speed in any direction in the reed way can be accurately predicted, the manual time for installing a main nozzle, an auxiliary nozzle and the special-shaped reed way of a weft insertion system of the air jet loom is shortened, the synthetic airflow speed in the special-shaped reed reaches the optimal working condition, and the weft insertion efficiency of the air jet loom is improved.

The present invention relates to the technical field of looms, and in particular to a rapier loom for processing double-sided earing blankets, comprising a machine base, a casing being installed on the upper end of the machine base, a plurality of guide rollers and a winding roller being rotatably connected in the casing, a weft thread separation assembly being installed in the casing, the weft thread separation assembly comprising a guide seat, a mounting frame, a mounting plate and a separation shaft, a plurality of groups of guide seats being installed on the surface of the casing, the mounting frame being slidably connected on the circumferential surface of the guide seat, a plurality of mounting plates being installed in the mounting frame, a rotating shaft being installed in the mounting plate, the separation shaft being installed on the circumferential surface of the rotating shaft, a cavity being provided in the mounting plate, an injection hole being provided on the surface of the mounting plate, a rubber plug being installed in the injection hole, a cotton strip being installed in the cavity, the cotton strip being slidably connected to the separation shaft, and the present invention can reduce the friction between the warp thread and the separation shaft through the action of the separation assembly, which not only reduces the probability of the warp thread fuzzing, but also improves the service life of the separation assembly.

The utility model provides a negative cam device of a water jet loom, which comprises a cam main body, a connecting piece, a tension spring and a power mechanism, and the upper end of the outer side surface of the cam main body is provided with the connecting piece used for connecting a spinning piece with the cam main body. The cam has the advantages that the cam body, the tension spring, the power mechanism, the driving gear, the driven gear and the power motor are additionally arranged, the power motor drives the driving gear to rotate, and the driving gear and the driven gear drive the winding and unwinding wheel to rotate under the condition that the driving gear is meshed with the driven gear; the cam main body is driven to rotate anticlockwise under the cooperation of the fixed pulley, the power motor is closed at regular time, and the tension spring pulls the cam main body to rotate clockwise under the action of elastic force, so that the reciprocating rotation of the cam main body can be completed; the cam body and the spinning part can be connected through the connecting part through bolts, and therefore the device can be disassembled and assembled in a split mode conveniently.

The invention provides an intelligent tension control method and system for a three-dimensional weaving machine, and the method comprises the steps: determining the standard tension ranges of the three-dimensional weaving machine in weft releasing, weft insertion and beating-up processes based on weaving process parameters in combination with the acceptance standard of a three-dimensional braided fabric; based on a visual sensor and a tension sensor, tension monitoring is carried out on the track processes of the weft releasing track, the weft insertion track and the beating-up track, and the tension which does not conform to the standard tension range and the corresponding target track are determined; based on the intelligent adjustment rule, the tension and the corresponding target track are combined, the adjustment parameters of the weft motor are intelligently output, the weft motor is intelligently adjusted according to the adjustment parameters, the tension of the three-dimensional weaving machine in the working process all the time meets the requirement, and the quality of the finally generated three-dimensional weaving composite material is guaranteed.

The utility model discloses a scissor seat for an air-jet loom, relates to the field of air-jet looms, and aims to solve the problems that the horizontal position of a scissor component is inconvenient to adjust due to fixed connection between an existing scissor seat and a mounting plate, and the scissor component is inconvenient to adjust when a weft pushed by a pushing mechanism on the air-jet loom is far away from a scissor mechanism. And the problem that the weft cannot be cut off is solved. A scissor assembly is fixedly connected to the front end of the mounting plate, rectangular limiting parts are fixedly connected to one sides of the lower ends of the front end and the rear end of the mounting plate, a scissor seat is connected to one side of the lower end of the mounting plate, a guide rail is fixedly connected to the upper end of the scissor seat, and a first limiting sliding groove is formed in the middle of the upper end face of the guide rail. And a screw rod is rotationally connected to the middle of the interior of the first limiting sliding groove, second limiting sliding grooves are formed in the guide rail and located at the lower ends of the front end and the rear end of the first limiting sliding groove, and the middle of the shear base is connected with a rack in a sleeved mode.

The utility model discloses a weft extraction mechanism, a weft extraction system and a weaving machine, and relates to the technical field of textile weaving equipment, and the weft extraction mechanism comprises a base plate, a multi-joint mechanical arm and a winding mechanism; the multi-joint mechanical arm is arranged on the base plate in a liftable mode. The winding mechanism is arranged at the free end of the multi-joint mechanical arm, the multi-joint mechanical arm drives the winding mechanism to move, and the winding mechanism is provided with a winding rod; when the multi-joint mechanical arm drives the winding mechanism to approach the weft insertion nozzle, the winding rod rotates and is used for winding and pulling out waste yarn. According to the technical scheme, the weft extraction mechanism is high in weft extraction reliability, and the weft extraction success rate is increased.

The invention relates to the technical field of textile, and particularly discloses a low-wear protein silk fabric production process, which comprises the following steps: step 1, preparing yarns, warp yarns and weft yarns being 1 / 50D / 48F semi-gloss polyester T-800; step 2, yarn treatment: warp treatment: grey yarn, sectional warping and drafting and reed digging are performed, and weft yarns do not need to be treated; step 3, weaving: weaving by adopting a plain weave, and interweaving by using a water-jet loom to obtain a finished product fabric; step 4, inspection: inspecting the finished fabric, and leaving the factory after the finished fabric is inspected to be qualified; in the sectional warping process in the step 2, a sectional warping machine is used, the two processes of reeling and two-for-one twisting are omitted during warp processing, the warp sectional warping process is optimized, broken filaments are effectively prevented, and the finished fabric is compact in texture and has a certain decorous feeling; by optimizing the weaving process, the phenomena of weft breakage, weft carrying, warp breakage and the like can be effectively reduced in the weaving process, and the finished fabric is soft, comfortable, easy to form and good and soft in hand feeling.

A method for manufacturing a composite material revolution part for a propulsion assembly includes making a fibrous preform on a mandrel having a profile corresponding to that of the part to be manufactured, and densifying the fibrous preform by a matrix. Making the fibrous preform includes forming a strip-shaped fibrous blank including at least one layer of continuous fibers and at least one layer of discontinuous fibers, the fibrous blank being shaped on the mandrel, the layer of continuous fibers of the fibrous blank extending at least over a complete turn around the mandrel.

The utility model discloses a two-way weft insertion wide water-jet loom which comprises a water-jet loom body, a plurality of evenly-distributed idler wheels are arranged at the bottom end of the water-jet loom body, anti-skid assemblies matched with the idler wheels are arranged at the bottom end of the water-jet loom body, and a cloth roller is arranged in the water-jet loom body. A filter plate is arranged in the water-jet loom body and located at the bottom end of the cloth roller, and a first sliding rail matched with the filter plate is arranged on the inner wall of the water-jet loom body. The water-jet loom has the beneficial effects that by arranging the anti-skid assembly, after the water-jet loom body moves to a designated place, the rollers can be limited, the water-jet loom body is prevented from sliding, meanwhile, the anti-skid assembly can be driven by the rotating air cylinder to limit the multiple sets of rollers at the same time, and more efficiency and labor saving are achieved; the filter plate and the water collecting box can be limited by arranging the anti-falling door and the limiting assembly, the filter plate and the water collecting box are prevented from automatically sliding out of the water-jet loom body, and the water-jet loom is more stable to use.

The utility model provides a water spray disc and a water jet loom, and relates to the technical field of water spray disc, the water spray disc comprises a loom body, a bottom plate and an adjusting device, the surface of the loom body is provided with a plurality of limiting rollers, the surface of the loom body is fixedly connected with a controller, the bottom plate is installed on the surface of the loom body through the adjusting device, and the limiting rollers are arranged on the bottom plate. The surface of the bottom plate is fixedly connected with a lead disc, the surface of the bottom plate is fixedly connected with a nozzle, the surface of the bottom plate is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the nozzle, the adjusting device comprises two mounting plates, and the two mounting plates are fixedly connected with the surface of the bottom plate respectively; when the water spraying disc is matched with a weaving machine body for use, the angle of the nozzle can be timely and quickly adjusted according to the weaving requirement, so that the water spraying disc is more adaptive to the weaving processing requirement of the weaving machine body, the use effect and the functionality of the water spraying disc are improved, and the working efficiency of weaving is also improved.

This utility model relates to the field of weft feeders and discloses a weft feeder for fiberglass weaving, including a base plate. Two sets of side component rods are fixedly installed on the top of the base plate. A top plate is fixedly connected between the tops of the two sets of side component rods. A rising plate is slidably installed between the two sets of side component rods. The weft feeder is fixedly connected to the bottom of the rising plate. Secondary adjustment plates are slidably installed on the outer sides of both sets of side component rods. Secondary adjustment rods that slide out of the top of the top plate are fixedly connected to the tops of the two sets of secondary adjustment plates. The model also includes a height adjustment component. By setting the height adjustment component and the secondary height adjustment component, the height of the weft feeder can be precisely adjusted. This dual adjustment mechanism can ensure that the weft feeder is always at the optimal height position, so that the weft yarn maintains uniform and stable tension during the supply process, effectively avoiding fabric quality problems caused by tension fluctuations and significantly improving the quality of fiberglass fabrics.

The invention relates to the technical field of equipment management and control, in particular to a management and control method and system for a water-jet loom, and the method comprises the steps: collecting historical spinning data and to-be-spun data, carrying out the data arrangement of the historical spinning data, and obtaining a spinning feedback data table, determining plant environment data, textile material data and textile demand data according to the to-be-spun data, determining textile setting parameters of textile materials according to the textile demand data, and inputting the plant environment data, the textile material data and the textile setting parameters into a textile feedback data table for data matching to obtain a textile data set, sorting and analyzing the textile data set to obtain an actual setting relation, checking and analyzing the textile setting parameters according to the actual setting relation to obtain actual setting parameters, and adjusting and updating the textile setting parameters based on the actual setting parameters to obtain updated textile setting parameters. The operation stability and reliability of the water-jet loom are improved.

The invention relates to the technical field of continuous fiber reinforced composite materials, in particular to warp yarn for window decoration and a preparation process of the warp yarn. According to the invention, the problems of poor mechanical property and poor antibacterial property of traditional warp yarns for window decoration are solved. The preparation method comprises the following steps: mixing Bio-EG and Petrol-EG according to a ratio, reacting with terephthalic acid, precisely controlling the temperature, and adding a phosphorus stabilizer to obtain a high-performance polyester core material; chitin is modified by DMAA, nano silicon dioxide is modified by KH-560, and the chitin and the nano silicon dioxide are subjected to melt blending with a PLA matrix to form a reinforced sheath material; the sizing agent is composed of WPU, amino silicone oil microemulsion and other substances, and a protective film is formed on the surface of the fiber after the process is optimized; through core-sheath composite spinning and post-treatment processes such as segmented cooling, drafting and heat setting, the prepared warp yarn has high strength, high elongation, wear resistance, resilience and good antibacterial functions.

This utility model relates to the field of water jet loom technology and discloses a frame structure for a water jet loom, including a frame body. A base box is fixedly connected to the bottom of the frame body, and a dual-axis motor is fixedly installed at the top of the inner cavity of the base box. Screws are fixedly connected to the output ends of the dual-axis motor on both sides. One end of each screw is rotatably connected to the base box via a bearing. A rectangular plate is threaded onto the outer surface of the screw. This utility model, by setting up a base box, dual-axis motor, screws, rectangular plate, push plate, lifting plate, and casters, enables the movement of the frame body and facilitates the storage and protection of the casters. The support components provide support for the device and allow for adjustment of its horizontal position. This structure facilitates easy movement and use, meeting customer needs and effectively reducing the labor intensity of workers.

A woven composite component 100 for an aerospace structure or machine, comprising: a compound member 102 extending from a junction 104 with a feeder member 106, a noodle element 114 extending in a weft direction through the junction. The feeder member comprises first and second feeder portions 108, 110 either side of the junction, each feeder portion comprising warp tows extending towards the junction. There is a compound set of warp tows 112 extending from the first and second feeder portions, each turning at the junction to define warp tows for the compound member. There is a crossing set of warp tows belonging to the compound set, the crossing set comprising warp tows from the first feeder portion and warp tows from the second portion which cross each other at the junction to pass around the noodle element. There is also disclosed a method of manufacturing a preform for a woven composite component.

The utility model belongs to the technical field of spinning, and particularly discloses a crease-resistant device of a spinning air jet loom. According to the woven fabric leveling assembly, a distance is formed between every two positioning frames, the two ends of an adjusting rod penetrate through the two positioning frames to be slidably connected, the top of each positioning frame is provided with an integrally-fixed fixing frame, a bracket is arranged between two stress rods, and a scraping rod is located on the side face of the bracket; two ends of each tension spring B are respectively connected with a movable shaft and a movable shaft; one end, far away from the tension spring B, of each movable shaft is connected to the upper connecting rod; the inner side of the positioning frame is provided with an integrally-fixed lower limiting shaft, the lower limiting shaft penetrates through the lower connecting piece to be hinged to the positioning frame, the inner side of the stress rod is provided with an integrally-fixed upper limiting shaft, and the upper limiting shaft penetrates through the upper connecting piece to be hinged to the upper connecting piece. Therefore, the fabric is prevented from wrinkling.

The invention discloses a textile rapier head weft feeding rapier clamping device and belongs to the technical field of clamping equipment.The textile rapier head weft feeding rapier clamping device comprises a clamping base, an adjusting mechanism and a clamping assembly, the adjusting mechanism is installed on the clamping base, the clamping assembly is installed on the adjusting mechanism, the clamping assembly clamps a textile rapier head, the clamping base comprises a circular bottom plate, and a groove is formed in the upper surface of the circular bottom plate; the adjusting handle of the adjusting mechanism is located in the groove, one end of the clamping rod abuts against the clamping block, the vertical position, located on the limiting plate, of the clamping rod can be adjusted along with the position change of the clamping block, clamping action is carried out, clamping is firm, weft yarn is not prone to being broken, the structure is simple, and use is convenient.