510results about "Drafting machines" patented technology

The invention belongs to the technical field of textile dyeing and finishing, and particularly relates to a low-twist compact siro twisted spinning yarn, a preparation method thereof and a process for producing knitted fabric by adopting the low-twist compact siro twisted spinning yarn. Comprising the following procedures of raw cotton preparation, blowing, cotton carding, pre-drawing, sliver lap forming, combing, sliver lap forming, combing, drawing, roving, spinning and spooling. In the roving and spinning procedures, the low-twist compact siro twisted spun yarn is prepared in a compact spinning mode, a siro spinning mode and a twisted spinning mode in sequence. The yarn is improved, siro spinning and twist spinning are overlaid on the basis of compact spinning, the obtained fabric is softer in hand feeling, the yarn formed by combining the three spinning modes is used for the knitted fabric, and the advantages of the raw material end are all reflected in the knitted fabric.

The invention discloses slivering equipment based on cotton-type wool fibers, and relates to the technical field of slivering of cotton-type wool fibers, and the slivering equipment comprises a positive sliver guide device, a stretch-breaking device, a slivering device, a transmission device for driving each device, and an embedded electronic control system which are arranged in sequence. Stable and uniform conveying is ensured through closed-loop control of the active unwinding rotating disc and the tension sensor, static electricity is effectively restrained through the automatic spraying system, the full-anti-static rubber roller and the coiling disc, the spinnability is improved, soft and accurate fiber straightening and length control are achieved through double-set five-up-ten-down full-delta-shaped curve stretch-breaking combined with pneumatic pressurization, and the production efficiency is improved. Compacting slivering and antistatic large-diameter straight pipe coiling guarantee that fiber slivers are compact in structure and excellent in forming, an embedded electronic control system conducts digital precise regulation and control on key parameters such as tension, gauge, drafting and pressure, automatic stopping and automatic creeling are achieved when the slivers are broken, and finally the effects of high-quality wool top production, high production efficiency and high production flexibility are achieved.

The invention discloses a phase spinning fancy yarn and a production device thereof, and belongs to the technical field of spinning. The phase spinning fancy yarn is formed by a base yarn section and a wave-shaped yarn section in a staggered mode, the wave-shaped yarn section is of a conical transition structure with the thick middle and the two gradually-thin ends, and the key improvement is that the base yarn section and the wave-shaped yarn section are equal in linear density. The production device comprises a phase spinning mechanism arranged between a front drafting device and a yarn guide mechanism, the phase spinning mechanism comprises a driving wheel, a driven wheel and a circular ring belt, and yarn strands wind two edge strips of the circular ring belt in an S shape; the second driving device drives the driving wheel to rotate; the control unit controls all the components in a coordinated mode. The yarn diameter change is formed under constant-speed feeding through the periodic change of friction force, the problems that traditional bunchy yarn is uneven in twist, low in strength, much in hairiness and difficult in yarn density control are effectively solved, and the yarn quality and the weaving performance are remarkably improved.

The application discloses a kind of bundled biaxial skin-core structure tensile yarn spinning processes, specifically including the following steps, step S1: one low modulus high elongation fiber filament one and one low modulus high elongation fiber filament two are unwound by active feeding roller, and are respectively fed into lower layer hollow spindle center tube one and lower layer hollow spindle center tube two, as two core filaments;Step S2: high modulus low elongation fiber filament one is wrapped on the surface of the core filament in positive helical line configuration at lower layer guide hook one;High modulus low elongation fiber filament two is wrapped on the surface of the core filament in reverse helical line configuration at lower layer guide hook two;Form biaxial skin-core structure covering yarn system, and pass through upper layer hollow spindle center tube;Step S3: at upper layer guide hook, the fiber filament yarn with excellent elastic elongation wound on upper layer hollow spindle is bound to the surface of the biaxial skin-core structure covering yarn system with low spiral covering density, to form bundled biaxial skin-core structure tensile yarn.

The invention discloses an automatic cleaning device for flyings, dust and impurities on the surface of a leather roller of a drawing frame, and relates to the technical field of drawing frames. The leather roller comprises a leather roller seat, a leather roller body is installed on one side of the leather roller seat, and a scraper is arranged on one side of the leather roller body. Through the rotation effect of the rotating rod, the fixing cylinder and the stand column in the anti-blocking mechanism, scraped flyings are wound on the surface of the stand column, the flyings are prevented from directly blocking the filter screen, and therefore it is guaranteed that the ventilation quantity of the filter screen is stable. Flying is further guided to flow to the fixed cylinder through cooperation of a material guide plate and a semi-ring sleeve, accumulation is reduced, the maintenance frequency is reduced, the cleaning efficiency is improved, the humidification mechanism monitors the humidity of the working environment of the leather roller in real time through a hygrometer, when the humidity is lower than a set value, a linkage assembly automatically starts an atomization plate to spray water mist, and static electricity is effectively reduced. The reduction of static electricity can obviously reduce the adsorption of flying and dust impurities, a virtuous cycle is formed, the surface of the leather roller is protected, and the service life of equipment is prolonged.

The utility model discloses a bundling machine used for processing composite fiber, which comprises a stable bottom plate, the top of the stable bottom plate is fixedly connected with a bearing outer frame through a support, the inner side of the bearing outer frame is rotatably connected with an inner rotating frame, the inner side of the inner rotating frame is fixedly connected with a multilateral rotating drum, and the multilateral rotating drum is fixedly connected with a bearing outer frame. A telescopic guide groove is formed in the surface of the multilateral rotating drum. The utility model relates to the technical field of bunching machines. According to the bundling machine for processing the composite fibers, the telescopic guide groove is formed in the surface of the multi-edge rotary drum, the rectangular supporting frame capable of sliding is installed, the multi-face conical base is installed on the inner side of the multi-edge rotary drum through the threaded rod, and due to the arrangement of the structures, during adjustment, the threaded rod is rotated to drive the multi-face conical base to move; the multi-face conical base can push the multiple rectangular supporting frames to move synchronously, the multiple phase change wheels can be located at the same height, and the fiber processing quality is guaranteed through adjustment accuracy.

The utility model discloses a feeding roller and a rotor spinning machine, and relates to the technical field of spinning. A plurality of bead groups are fixedly arranged on the outer side wall of the roller shaft, the bead groups are circumferentially and uniformly distributed around the axis of the roller shaft, and a spacing is formed between every two adjacent bead groups; the bead group comprises at least one first bead, and the first bead extends along the axis of the roller shaft; and in the circumferential direction of the roller shaft, the circumferential length of the interval is consistent with the circumferential length of one rib group. And finally, the nub effect of the prepared hemp-feeling yarn is better.

The invention relates to the technical field of fiber blending equipment, in particular to acrylic fiber blending equipment. The acrylic fiber blending equipment comprises a mounting assembly, a yarn outlet assembly, a yarn guide assembly, a humidifying and drawing assembly and a winding roller. The yarn guide assembly can be used for gradually gathering various fibers including acrylic fibers, uniform mixing of the various fibers is effectively achieved, the various fibers are pre-wetted and accurately wetted, it is ensured that the fibers keep proper humidity in the drawing process, static electricity and friction are reduced, the entanglement phenomenon is reduced, mixing uniformity is improved, and meanwhile, the yarn guide assembly is suitable for being used in the drawing process. A plurality of fibers before drawing can be effectively drawn, a certain tension can be kept, so that the phenomenon of uneven mixing caused by fiber entanglement is reduced, the inflow amount of humidifying airflow is dynamically adjusted according to the thickness and moisture requirements of the drawn fibers, it is ensured that the fibers are treated under the proper moisture degree, the situation that the performance of the fibers is affected by excessive moisture is avoided, and the quality of the drawn fibers is improved. And the binding force between different fibers is effectively improved.

The invention belongs to the field of drafting rubber rings for spinning, and particularly provides a rubber ring and a preparation method thereof.The rubber ring is characterized by comprising an inner rubber layer, a reinforcing layer and an outer rubber layer which are sequentially compounded from inside to outside; the outer rubber layer is prepared by mixing the following raw materials in parts by weight: 90-100 parts of rubber, 10-20 parts of phenolic resin, 2-3 parts of an anti-aging agent, 2-3 parts of an accelerant, 5-8 parts of sulfur, 2-3 parts of zinc oxide, 0.5-2 parts of stearic acid, 3-5 parts of talcum powder, 2-5 parts of a modified copolymer and 3-5 parts of lignosulfonate; the modified copolymer is a copolymer of sulphobetaine methacrylate and glycidyl methacrylate; the prepared upper rubber ring outer rubber layer is good in drafting spinning stability, and the problem of sticky spots can be solved.

The utility model discloses a mechanical compact spinning gathering block beneficial to spinning stability. Two slopes are arranged on the left and the right of the two sides of a gathering groove of the gathering block close to a drafting rubber roller, and oblique angles are formed between the slopes and the axis of a front roller shaft. The utility model has the advantages that by optimizing the design of the gathering block, the influence of foreign matter adhesion and fibers on the position of the gathering block is reduced, the influence of foreign matter adhesion on the steady-speed operation of the rubber roller is reduced, and the spinning is stable.

The invention belongs to the technical field of textile material preparation, and relates to a preparation method of snowflake-shaped slub yarn, which comprises the following steps: feeding a tow A and a tow B into a main interlacer at the same time for stranding, and winding by a winding device through a third godet; before being fed into the main interlacer, a tow A sequentially passes through a pre-interlacer A, a first godet A section, a first hot roller A section, a second hot roller A section, a third hot roller, a fourth hot roller, a secondary oiling device and a second godet; before being fed into the main interlacer, a tow B sequentially passes through the primary oiling device, the pre-interlacer B, the first godet B section, the first hot roller B section, the second hot roller B section, the third hot roller, the fourth hot roller, the secondary oiling device and the second godet. Through a double-tow differential drawing process and hot roller structure innovation, the tow A and the tow B form a bamboo joint structure with different styles, and a unique snowflake particle effect is presented after stranding.

The utility model relates to a strong gathering spinning assembly and a strong gathering spinning machine thereof. The strong gathering spinning assembly comprises a butt joint air pipe, a cavity, a yarn gathering air cavity, a yarn gathering support, a mesh belt and a dust suction nozzle. The two sides of the yarn gathering air cavity are connected with yarn gathering supports respectively, and the two yarn gathering supports are sleeved with mesh belts respectively. The top of the yarn gathering support is a plane, and a yarn gathering suction nozzle is arranged in the middle of the plane. The two sides of the cavity extend outwards to form dust collection nozzles; a suction nozzle is arranged at the end of the dust suction nozzle and is close to the mesh face of the yarn outlet side of the mesh belt. The strong gathering spinning machine is provided with a strong gathering spinning assembly, and the butt joint air pipe is connected with a dust collection air channel in the spinning machine; the cavity is located on the outer side; the part, located on the top of the thread spinner yarn gathering support, of the mesh belt makes contact with a rubber roller on a thread spinner. And the rubber roller is driven by the roller to rotate and drives the mesh belt to move through the contact point. The thread spinner is simple in structure, an existing thread spinner can be easily transformed and upgraded, the strength of yarn is improved, and meanwhile use and maintenance are convenient.

The invention discloses a high-speed ring spinning yarn blending method and a spinning frame, and belongs to the technical field of spinning yarn blending, and the method comprises the steps of S1 raw material preparation and pretreatment, S2 cotton carding, S3 drawing, S4 roving, S5 spinning, S6 spooling and S7 jointing. The spinning frame comprises a spinning frame body and an inspection robot. Through intelligent twisting control, dynamic adjustment of rotating speed and twist, balance of strength and elongation of different fibers and reduction of layering phenomena, the yarn evenness CV value is reduced by 10%-15%, the tension sensor adjusts roller pressure, arrangement uniformity of blended fibers is remarkably improved, broken ends are detected through the industrial camera to achieve millisecond-level response, the broken end detection accuracy is larger than or equal to 99%, and the production efficiency is greatly improved. Raw material waste is reduced by 30%-40%, the strength of the joint through the inspection robot and the full-automatic joint manipulator reaches more than 90% of that of the grey yarn, and the weak joint problem caused by manual intervention is reduced.

The utility model relates to the technical field of spinning, in particular to a convenient and fast adjusting device for a drafting gauge of a roving frame, which comprises four groups of roller mounting seats sequentially arranged on a roller support along the roving conveying direction, at least one guide groove arranged on a cradle, four leather roller frames arranged in the guide groove in parallel, and a plurality of adjusting blocks arranged on the four leather roller frames, the long-distance brackets correspond to the four groups of roller mounting seats respectively and are fixed on the roller bracket; and the single brackets are fixed on the cradle. According to the utility model, the 45-degree inclined surface of the pushing block is matched with the wedge-shaped strip between the roller mounting seats, and the sliding block is matched with the wedge-shaped groove, so that the height change of the pushing block is the same as the distance change between the adjacent roller mounting seats or roller frames, and the synchronous adjustment of the roller distance and the roller distance can be realized; the position between the leather roller and the roller does not need to be calibrated after adjustment, the efficiency of adjusting the distance between the roller mounting seats is greatly improved, and the efficiency of adjusting the distance between the leather roller frames is improved.

The invention relates to a method for adjusting the basis weight of a sliver (FB) in an integrated drafting unit (1) of a carding machine (K), having an input measuring roller pair (6a, 6b) located upstream of a main drafting zone of the drafting unit and having an output measuring roller pair (15a, 15b) located downstream of the main drafting zone, the basis weight of the sliver (FB) at the input measuring roller pair (15a, 15b) forms a given parameter and the draft multiple of the draft mechanism forms an operating parameter, a change in the basis weight of the sliver (FB) at the input measuring roller pair (6a, 6b) causes a change in the operating parameter in a control unit of the carding machine (K), and the change in the basis weight of the sliver (FB) at the input measuring roller pair (6a, 6b) causes a change in the operating parameter. The change amount of the operating parameter is stored in a controller of the carding machine (K) by means of a pattern or a curve, which is formed by at least two parameters. The invention also relates to a drafting mechanism for carrying out the method.

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

The invention relates to a device for feeding a textile machine (3) with at least one fiber strip (5) comprising: a longitudinal beam (7) extending along a longitudinal axis (L_7), a guide device (14) for guiding the at least one fiber strip (5) towards the textile machine (3) which is connected to the longitudinal beam (7), a lifting device (18) by means of which the longitudinal beam (7) is linearly height-adjustable relative to the floor (6), and a drive device (31) by means of which the distance of the longitudinal beam (7) from the floor (6) is adjustable, wherein the lifting device (18) has a first support structure (19) which is pivotably supported on the floor (6) via a first bearing element (20) and pivotably connected to the longitudinal beam (7) via a second bearing element (21), and the lifting device (18) has a second support structure (22).which is pivotably supported on the ground (6) via a third bearing element (23) and pivotably connected to the longitudinal beam (7) via a fourth bearing element (24).

The application relates to a combing and drawing combined machine and process for ramie, flax tow and wool fibers, which comprises a plurality of wool type combers, a guide table, a plurality of guide rollers and a drawing machine; the plurality of wool type combers are arranged side by side, the surfaces of the output roller pairs of the wool type combers are provided with a plurality of grooves; the guide table is arranged in front of the plurality of wool type combers; the plurality of guide rollers are correspondingly arranged with the plurality of wool type combers and are rotatably installed between the metal guide rollers; the drawing machine is arranged on one side of the guide table and comprises a rear roller pair, a middle roller, a pressure roller and a front roller pair; the rear roller pair comprises a rear roller and a rear flat roller and forms a rear nip therebetween; the front roller pair comprises a front roller and a front flat roller and forms a front nip therebetween; the combing strips output by the plurality of wool type combers are directly combined and drawn by the drawing machine, and then the output strips are output, the number of subsequent drawing channels can be reduced, the process flow can be effectively shortened, and meanwhile the quality of the output strips can be ensured.

The invention relates to a tensioning device (10) for positioning at least one roller (6) of a spinning unit (200) and / or drawing device (100), comprising: - the at least one roller (6), - at least one belt (1), in particular a running belt, - at least one drawbar (4), wherein the tensioning device (10) is designed and configured to be switched from a functional state to a non-functional state; wherein the functional state is designed to position the at least one roller (6) by the belt (1) being designed and arranged to exert a pull on the roller (6), by the belt (1) being further designed and arranged to encircle a partial area (30) of the roller and a partial area (31) of the drawbar (4) such that a pull is transmitted from the drawbar (4) to the roller (6) by the belt (1);and wherein the non-functional state is characterized in that the tensioning device (10) is designed and configured such that, by pulling on the belt (1), the pull rod (4) is moved for the purpose of removing the belt (1) from the pull rod (4). This optimizes the effort required for repair and subsequent inspection.

The application discloses a kind of carbon nanotube fiber drawing enhancement method and system.The drawing enhancement method includes: providing carbon nanotube fiber, carbon nanotube fiber is twisted state;Carbon nanotube fiber is cabled and is treated, and fiber bundle is obtained;Protonation drawing and coagulation bath treatment are carried out to fiber bundle, and precursor fiber is obtained;Protonation reagent and / or coagulation bath reagent in precursor fiber are removed, and carbon nanotube reinforced fiber is obtained.The drawing enhancement method provided by the application is twisted and is cabled and is treated, after the internal each expansion fiber edge shape of fiber bundle is expanded by strong acid protonation, adaptive effect is generated;During drawing process, make stress more evenly be applied on each fiber, improve the stability in the process of fiber drawing, to realize higher drawing rate and drawing rate, finally significantly improve the mechanical strength and consistency of reinforced fiber, and bring very excellent continuity, very beneficial to the application of carbon nanotube fiber.

The invention relates to the technical field of yarn preparation devices, in particular to a wool and yakwool blended fabric yarn preparation device and method.The wool and yakwool blended fabric yarn preparation device comprises a rack, a sealing box, a twisting mechanism, a stranding mechanism and a winding mechanism are sequentially installed on the rack, and a stretching mechanism used for stretching raw materials is installed in the sealing box. According to the invention, the raw material fed into the sealing box can be a wool raw material, a yakwool raw material, or a wool and yakwool mixed raw material, the corresponding twisting mechanisms can be further used for twisting wool yarns, yakwool yarns, or wool and yakwool blended yarns, and when the single-strand yarns twisted by each group of twisting mechanism are guided to the yarn twisting mechanism, the single-strand yarns can be twisted into the yarn twisting mechanism, and the yarn twisting mechanism can be used for twisting the single-strand yarns. A plurality of single-strand yarns can be stranded through the stranding mechanism, so that wool yarns and yakwool yarns are compounded into wool and yakwool blended yarns, or a plurality of wool and yakwool blended yarns are directly compounded into mixed yarns.

The present invention discloses a multi-fiber compact siro spinning production line capable of recycling waste materials, comprising a control system, a cotton mixing system, a cotton opener, a cotton feeder, a roll forming machine, a carding machine, a drawing system, a roving frame, a spinning frame, a winding device, a drawing system waste cotton collection system, a roving frame waste cotton collection device, a spinning wind cotton collection device, and a waste drawing and tearing device; the cotton mixing system comprises a mixing disk group, a first plucker, a baler, a second plucker, a multi-bin cotton mixing machine, and a wool combining machine arranged on one side of the baler, which are connected in sequence; the waste drawing and tearing device is respectively connected to the drawing system waste cotton collection system, the roving frame waste cotton collection device, and the spinning wind cotton collection device; and the waste drawing and tearing device is connected to the mixing disks of the mixing disk group. The production line of the present invention can recycle waste cotton, achieve raw material recycling, reduce production costs, reduce differences in various properties, and ultimately produce high-quality yarn.

This utility model discloses a flexible suction port for a roving blowing and suction cleaning machine. Its structure includes a suction assembly, a suction port, and an adaptive adjustment mechanism. Through the contact of a roller assembly with the surface of the drafting cover plate, it senses changes in the height of the drafting cover plate in real time and drives the suction port to move along a vertical slide rail, dynamically maintaining a constant distance between the suction port and the drafting cover plate to ensure stable waste absorption. The adaptive adjustment mechanism adjusts the height of the roller support through a strip groove and bolts, and combines stackable weights to dynamically balance the roller contact pressure, adapting to different working conditions. This utility model adopts a modular design; the suction port is fixed by clamps for easy disassembly and maintenance; the weight and number of weights are adjustable, improving pressure control accuracy. Its significant advantages lie in automatically adapting to drafting cover plate deformation and track misalignment, reducing manual intervention, and improving cleaning efficiency by more than 60%. It is suitable for various roving frame equipment and has broad industrial application value.

The oil recovery device of the present invention effectively recovers oil mist scattered from a yarn processing device at a low cost. An oil recovery device (30) for recovering oil mist scattered from a yarn processing device (20) that performs predetermined processing on a yarn (Y) by spraying a fluid into a yarn travel space (24a) in which the yarn (Y) to which an oil is applied travels, the oil recovery device (30) being provided with: a housing (31) that accommodates the yarn processing device (20) and in which a suction port (31a) is formed; and a guide member (32) which is disposed inside the housing (31) and guides a jet flow from the yarn travel space (24a) generated by the jet fluid to the suction port (31a).

The utility model discloses a kind of drawing frame of adjustable tension, specifically related to drawing frame technical field, including adjusting member for adjusting fibre strip tension and being installed on drawing frame rack;The adjusting member includes the mounting plate being arranged in drawing frame rack, the fixed support is equipped in the bottom of mounting plate, and electric push rod for adjusting the height of fixed support is installed in the top of mounting plate, the main roller is rotatably connected by rotating shaft and is installed in the inside of fixed support.The utility model drives the main roller on fixed support to move up by electric push rod, thereby the tension of fibre strip is adjusted in vertical direction by height adjustment, then by servo motor driving main bevel gear rotates, main bevel gear drives linkage shaft by meshing from bevel gear to drive sub roller to rotate with main roller as center, thereby realize the oblique direction tension adjustment of fibre strip, and realize fine tension adjustment by changing fibre strip winding angle, improve the tension adjustment range of the utility model.

The utility model relates to drawing frame equipment technical field, concretely relates to a kind of drawing frame cotton sliver automatic breaking device, setting front guide wheel, rear guide wheel and deployment wheel to guide cotton sliver wiring, wherein deployment wheel is movably connected on support, can move up and down, and the up-down movement of deployment wheel is driven control by lifting motor. Therefore can adjust the up-down position of deployment wheel by lifting motor, and further adjust the tension of cotton sliver. Deployment wheel is made of metal material, weight is enough big to break cotton sliver, when needing to break cotton sliver, only need to control lifting motor to completely release deployment wheel, deployment wheel falls under the action of its own gravity and can break cotton sliver located in the lower end of deployment wheel, the whole process does not need manual operation of worker, and simple and convenient reaction is fast. Set check valve mechanism on front guide wheel, for preventing front guide wheel rotation, avoid cotton sliver with front guide wheel and rear guide wheel rotation, facilitate cotton sliver to be broken.

The invention relates to the technical field of textiles, in particular to a wool-like structure aerogel blend fiber with high curling performance and a preparation method of the wool-like structure aerogel blend fiber. Comprising the following steps: treating high-elastic polyester fibers with a silane coupling agent, and treating aerogel fibers with plasma to obtain pretreated high-elastic polyester fibers and pretreated aerogel fibers; the pretreated high-elastic polyester fibers and the pretreated aerogel fibers are subjected to opening treatment, carding and drawing in proportion, then a roving procedure, spun yarn drafting, graded heat treatment and airflow puffing treatment are sequentially carried out, and the wool-like structure aerogel blend fibers with the high crimp performance are obtained. According to the wool-like structure aerogel blend fiber with the high crimp performance, the problems that polyester aerogel fibers are poor in crimp stability and insufficient in bulkiness are solved.

The invention discloses a physical modification spinning process based on tussah short fibers, relates to the technical field of textiles, and solves the technical problems that fibers are damaged and high-hardness fibers cannot be treated in an existing technical scheme. The physical modification spinning process comprises the following steps that 1, the tussah short fibers are subjected to humidifying treatment, and the water content of the fibers is stabilized; 2, electrostatic carding is conducted on tussah short fibers through a multi-stage heterogeneous card clothing carding mechanism, the pretreated fibers are carded through the charge effect, and the fibers are directionally arranged; by means of the synergistic effect of eliminating internal stress through humidifying and softening and airflow drafting, the hardness of the final fabric is reduced, and the flexibility index is increased. The tussah silk fabric is soft in hand feeling and skin-friendly, wearing comfort is greatly improved, and the defect that a traditional tussah silk fabric is stiff in hand feeling is overcome. Innovative non-contact airflow drafting effectively releases the internal stress of the fibers, and the problem of fabric shrinkage is fundamentally solved.

The invention discloses a fancy yarn blended by wool and cotton and a preparation method of the fancy yarn, and relates to the technical field of textile, the specific steps are as follows: superfine merino wool and high-quality long stapled cotton / combed cotton are selected, the ratio of the wool to cotton fibers is 1: 1, and scale part denudation or passivation treatment is performed on the wool fibers by adopting a biological enzyme or oxidation method; preparing soft wool; a novel fancy spinning technology is adopted, cotton roving and wool roving are synchronously drafted and spun, and blended yarn of a double-face loop structure with the specified yarn count of 9NM is spun; and dyeing, post-processing, detecting and evaluating the spun yarn. The key bottlenecks of cotton and wool blended products in the aspects of comfort (itching), durability (pilling) and dimensional stability (shrinkage) are systematically solved through the processes of wool softening pretreatment, blending proportion optimization, novel fancy spinning yarn formation optimization, 'inner-cotton and outer-wool 'double-sided structure and mild washing enzyme polishing and finishing, and the key bottlenecks of the cotton and wool blended products in the aspects of comfort (itching), durability (pilling) and dimensional stability (shrinkage) are systematically solved.

The invention relates to a compact spinning lattice apron tensioning device which comprises a negative pressure pipe (1), a tension rod (2) is arranged on the front side of the negative pressure pipe (1), a plurality of tension rod assemblies (3) are arranged on the tension rod (2) left and right at intervals, lattice aprons (4) are arranged at the positions of the tension rod assemblies (3), and each tension rod assembly (3) comprises a tension frame base (3.1). A cylindrical pin (3.2) is arranged on the tension bracket base (3.1), a tension bracket (3.3) is hinged to the cylindrical pin (3.2), and a double torsion spring (3.4) is arranged between the tension bracket (3.3) and the cylindrical pin (3.2). The compact spinning lattice apron tensioning device can effectively solve the problems that an existing compact spinning lattice apron tensioning device is complex in structure, and patterns are prone to being accumulated on the surface.