249 results about "Carding" patented technology

The invention relates to the field of composite materials, in particular to a preparation method of a basalt fiber hybrid woven impact-resistant high-bearing composite material. The basalt main fibers and the auxiliary reinforcing fibers are pre-mixed, carded and woven in a three-dimensional mode, in a constructed prefabricated body framework, the auxiliary reinforcing fibers cooperate with the basalt main fibers, the bearing stress is dispersed, the stretching and shearing effects under the impact load are resisted, the fracture resistance and deformation resistance of a prefabricated part are improved, the structural stability is enhanced, and the service life of the prefabricated part is prolonged. After impregnation and hot press molding, the advantages of the basalt fiber hybrid braided structure can be fully played, and the composite material is endowed with excellent impact resistance and high bearing performance.

The invention discloses a super-soft yarn, a preparation method thereof and a fabric, and belongs to the technical field of spinning. Semi-worsted raw materials are made into roving through opening picking, cotton carding, drawing and roving procedures; at least one rough yarn is twisted and spun on a spinning frame provided with a super-soft device, single yarn is obtained, and the rough yarn feeding mode comprises the steps that straight yarn is prepared through independent feeding, or covering yarn is prepared through simultaneous feeding of two rough yarns and one PBT filament; and then doubling the single yarns, and performing two-for-one twisting in a twisting direction opposite to the twisting direction of the single yarns to obtain the super-soft yarns. The multi-component raw materials are combined with the super-soft process, stable spinning of the yarn under extremely low twist is achieved, the PBT filament core yarn and the reverse two-for-one twisting process are combined, the industrial technical bottleneck that traditional low-twist super-soft yarn is narrow in raw material adaptability and cannot have softness, strength and elasticity at the same time is solved, and the prepared super-soft yarn is soft outside and elastic inside, low in twist, high in strength, fluffy, high in elasticity and good in elasticity. The finished knitted sweater has soft and fluffy hand feeling and good structural stability.

The utility model relates to the technical field of intelligent noise source preparation, and aims to solve the technical problems that two shells are inconvenient to disassemble and the cost is high. In order to solve the technical problem, the utility model provides the intelligent noise source. According to the utility model, two housings are in butt joint up and down through a plurality of clamping members; the multiple clamping pieces are arranged at intervals in the axial direction of the shell. The clamping piece comprises a clamping protrusion and a clamping groove which are arranged on the two sides of the shell respectively. The top of the clamping groove extends inwards to form a clamping hook, a first diagonal plane is arranged on the clamping hook, and a second diagonal plane is arranged on the clamping protrusion. The clamping protrusions are inserted into the clamping grooves, and the first diagonal planes are matched with the second diagonal planes. The internal components are arranged in the two shells; the internal assembly comprises a main body, a USB end fixing block and a connector fixing block, and the USB end fixing block and the connector fixing block are connected to the two ends of the main body respectively; the shielding cover is arranged between the shell and the main body. Production cost is saved, connection is stable and reliable, and disassembly is easy.

The invention belongs to the technical field of textile production, and particularly relates to a production method of a high-grade combed cotton and linen woven fabric. The production method comprises the steps that cotton assorting, cotton carding, pre-drawing, sliver lap forming, combing, drawing (two passes), roving, spinning and spooling are conducted on spinning, the high-grade combed cotton and linen woven fabric is obtained through slashing, weaving and finishing, the obtained fabric has softness of cotton, stiffness and smoothness of linen and high-grade gloss, and the defect problem of a cloth cover is solved.

The invention discloses a graded carding device and method for wool-polyester blended fabric, and the device comprises a rack, a first carding unit, a second carding unit, and a third carding unit. The first carding unit is arranged at the top of the rack; the first carding unit is used for primarily carding the wool-polyester blended fabric; the first carding unit comprises a first top support, a first limiting part and a first abutting part. The first top bracket is arranged above the top of the rack; the first limiting part is rotationally arranged on the first top bracket; the first abutting part is rotationally arranged on the first top support and used for carding the wool-polyester blended fabric, a plurality of protruding parts which are transversely distributed in a circumferential array at intervals are arranged on the outer side of the first abutting part, and preliminary carding spaces are formed among the multiple protruding parts at intervals; the device solves the problems of non-uniform mixing and non-uniform thickness of wool and polyester raw materials caused by manual feeding, and achieves the effects of primary uniform mixing and smooth thickness of the wool and polyester raw materials.

The invention relates to the technical field of personal hygiene care products, and discloses a hygiene care pad containing a polylactic acid fiber non-woven fabric surface layer and a manufacturing method of the hygiene care pad. The surface layer is made of a 100% polylactic acid fiber non-woven fabric, is derived from a polylactic acid homopolymer or copolymer, is subjected to processes of opening, carding and the like, is consolidated by spunlace, hot air or needling, has the gram weight of 10-85 g / m, and has the characteristics of bacteriostasis and compostable degradation; the sanitary nursing pad is composed of the surface layer, the liquid absorption layer of the specific structure and the degradable bottom layer impermeable film, the problems that an existing nursing pad is poor in skin-friendly performance and flow guiding performance, pollutes the environment, is serious in back seepage and the like can be effectively solved, and the sanitary nursing pad has great application value in the field of personal sanitary nursing products.

The utility model discloses a carding device for polyester thread production. The carding device comprises an adjustable carding device, according to the utility model, the adjustable carding device is arranged, the sliding seat can be moved to adjust the position of the lead frame on the rack by pulling the pull button outwards and releasing the braking of the sliding seat, and the pull button is loosened after the sliding seat is moved in place, so that the sliding rod is pushed inwards under the elastic acting force of the spring, and the brake block is propped against the guide rail for friction locking; and when different numbers of sliding seats need to be arranged, the movable end cover is firstly pressed and pushed to trigger the rebounding device to pop out, so that the distance between the movable end cover and the rack is increased, the sliding seats can be assembled and disassembled from the left end of the guide rail, a user can assemble and adjust according to the number of yarns, and the application range is wider.

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 application relates to a production and processing method of a carded cotton-wool blended yarn, which comprises the following steps: A, selecting cotton fibers with a micronaire value of 4.8 and a length of 29 mm, and selecting washed and cleaned wool tops with a count of 80; B, respectively dyeing the cotton fibers and the wool tops; C, feeding the colored cotton fibers into a carding machine to be carded, and then feeding the slivers carded by the carding machine into a wool carding machine to be carded; D, opening the colored cotton slivers by an opener to form cotton loose fibers; E, mixing the cotton loose fibers with the colored wool loose fibers, and stewing the wool for 12 hours; F, feeding the mixed wool and cotton into a two-union wool carding machine to be carded, feeding the wool and cotton into a three-union wool carding machine to be carded after the carding of the two-union wool carding machine is completed, and making wool lap roving; G, performing spinning on the wool lap roving by a mule machine to obtain a carded cotton-wool blended yarn, so that the produced cotton-wool blended yarn is low in twist, large in elasticity, good in hand feeling and good in fluffiness.

The utility model discloses a laminating, galling, carding and separating all-in-one machine which comprises two supporting side plates, pulleys are movably installed on the supporting side plates through rotating shafts in an embedded mode, a transverse plate is integrally connected between one ends of the supporting side plates, and a steel bar carding assembly is installed at the bottom of the transverse plate. A partition discharging assembly is arranged between the supporting side plates and located on one side of the reinforcing steel bar carding assembly, a galling treatment assembly is installed on the side, away from the reinforcing steel bar carding assembly, of the partition discharging assembly, and a fixed side plate and a detachable side plate are installed at the other ends of the supporting side plates. The laminating machine has the advantages that the laminating machine is simple in structure, laminating, galling, carding and partition procedures of laminated slabs are achieved through the integrated design, the occupied space of needed equipment is greatly reduced, switching of the equipment is not needed, and construction efficiency is improved.

The utility model provides an integral self-tensioning prestressed laminated slab long-line bench production line. The integral self-tensioning prestressed laminated slab long-line bench production line comprises a maintenance device, a long-line bench formwork, a track, a numerical control hydraulic tensioning machine, a fixed cross beam, a tensioning cross beam, a fixed guide rail, a pressed longitudinal beam, a fixed pedestal, a film coating, galling, carding and separating all-in-one machine and a concrete automatic distributing machine based on visual inspection. The concrete curing device has the advantages that the designed curing device comprises the automatic opening and closing curing shed cover installed above the fixed mold table and the steam curing pipeline installed below the fixed mold table, the curing device is easy to operate, low in manufacturing cost and good in sealing effect, the concrete curing temperature and humidity can be effectively improved, the curing period is shortened, and the maintenance efficiency is improved. The production line is high in automation and standardization degree, the prestressed laminated slabs can be produced on a large scale within a short time, the labor intensity of workers is greatly reduced, the production efficiency is improved, standard management of equipment is facilitated, and the safety is improved.

The utility model provides a dry breathable perforated non-woven fabric which comprises a base fabric, a breathable area arranged on the base fabric and a liquid infiltration area arranged on the base fabric and located on the periphery of the breathable area, the infiltration area and the breathable area are of an island structure, the height of the breathable area is smaller than that of the base fabric, and the liquid infiltration area is located on the periphery of the breathable area. The breathable area accounts for 55-70% of the surface area of the base cloth; the breathable area comprises a boundary line connected with the liquid infiltration area and a liquid guide face connected with the boundary line, the liquid guide face and the liquid infiltration area form an angle of 60-80 degrees, and a liquid guide channel is formed by the liquid guide face and the liquid infiltration area. A single carding process is adopted, 100% 2D weak-affinity fibers are laid, and the fabric is fine and fluffy; cationic oil is added into the fiber, so that the fiber has a long-acting antibacterial effect; a punching process is added on the basis of the original flat grain surface layer, so that the material is more breathable, the infiltration speed is increased, the back infiltration amount is reduced, the residual quantity of liquid on the surface of the non-woven fabric is reduced, the non-woven fabric has strong liquid absorption capacity, and the breathability and the dryness are improved due to dense holes; and the gram weight range of the non-woven fabric is 18-40g / m

The invention discloses a production technology of a jute environment-friendly coir mat with a three-dimensional structure, and relates to the technical field of jute coir mat production.The production technology comprises the following steps that S1, raw material pretreatment is conducted, specifically, raw jute is sequentially subjected to three-stage degumming including anionic surfactant solution soaking, pectinase treatment, lignin peroxidase treatment and caustic soda boiling-off, performing countercurrent cleaning and vacuum drying to obtain flexible fibers; s2, mixing fibrils: mixing the pretreated jute fibers with palm fibers and ramie fibers in proportion to form a mixed fiber raw material; s3, opening and carding: performing loosening treatment on the mixed fibers by a bidirectional opener, and preparing flocculent fibers by a carding machine; the flocculent fiber filaments are sprayed to a lapping machine through an exhaust fan, the lapping machine reciprocates at the constant speed of 1.5-2.5 m / s in the direction perpendicular to the spraying direction, the fiber flexibility can be improved, a three-dimensional supporting structure can be constructed, and a formaldehyde adding source can be eliminated.

The utility model discloses a combing machine release roller hybrid driving device, which belongs to the technical field of combing machines, and comprises a rack, the left end of the front side of the rack is fixedly connected with a console, the inner wall of the rack is fixedly connected with a release roller driving component, the surface of the rack is fixedly connected with a support plate, and the upper surface of the support plate is fixedly connected with a negative pressure box; the surface of the rack is fixedly connected with a motor, and the output end of the motor is fixedly connected with a rotating shaft. A fixing block is fixedly connected to the lower surface of the supporting plate, the rotating shaft is rotationally arranged in the fixing block, a connecting plate is fixedly connected to the lower surface of the supporting plate, and meanwhile a connecting shaft is rotationally arranged in the connecting plate. According to the combined driving device for the detaching roller of the combing machine, through the arrangement of the negative pressure box and the suction head, residues of fiber fine lines on the surface of the device are effectively reduced, the detaching roller can operate according to the accurate speed and movement rule, and it is ensured that key combing and detaching actions of the combing machine are accurately executed.

The invention relates to a carding machine convenient to feed and used for regenerated cotton production, and relates to the technical field of carding equipment, the carding machine comprises a processing table, and a feeding assembly for primary treatment of materials and a carding assembly for secondary treatment of the materials are arranged at the two opposite ends of the upper side face of the processing table respectively; the feeding assembly comprises a feeding sleeve vertically installed on the upper side face of the processing table, a feeding port is formed in the upper side face of the feeding sleeve, and a discharging port is formed in the side face, facing the cotton carding assembly, of the lower portion of the feeding sleeve. A pretreatment roller is rotationally mounted in the feeding sleeve in the horizontal direction, a driving part for driving the pretreatment roller to rotate around the axis of the pretreatment roller is fixedly arranged outside the feeding sleeve, and cotton carding nails are fixedly arranged on the periphery of the pretreatment roller; a conveying belt for conveying materials treated by the feeding assembly to the cotton carding assembly and first power for driving the conveying belt to operate are mounted on the upper surface of the processing table; according to the cotton carding device, the materials can be preliminarily carded before entering the cotton carding assembly, and the working pressure of the subsequent cotton carding assembly is effectively relieved.

The utility model discloses a flow guide device, including drainage well and the well lid of carding in drainage well top, the lower fixed mounting of drainage well inboard has the bearing ring, the top swing of bearing ring is connected with the flow guide filter component of being located below the well lid, the flow guide filter component includes the support ring board, the support ring board carding is in the top of bearing ring, and the inside of support ring board is provided with water inlet one and the water inlet two of being located water inlet one left and right two sides. This flow guide device, water flow falls on the guide filter board, and water passes through filter hole one and enters drainage well, and garbage is intercepted by the guide filter board, and moves to both sides with water flow, and finally falls into the collection frame, in the collection frame, garbage impurities are concentratedly handled, and the remaining water body then enters drainage well through filter hole two, and then prevents impurities from accumulating on the guide filter board, ensures that the water permeation is not hindered, and improves garbage filter capacity, prolongs cleaning cycle, and reduces cleaning workload.

The application discloses a production process of a raised middle sole cloth, which comprises the following steps: first warping, cotton mixing, opening, first carding, first cotton laying, first sewing and knitting, second warping, second carding, second cotton laying, raised sewing and knitting, and hot pressing and setting. The raised middle sole cloth produced by the application is based on a base cloth, the base cloth and a second cotton layer are sewn and knitted in one step to form the raised middle sole cloth, the top surface of the raised middle sole cloth is a raised surface, and thus the structure of the raised middle sole cloth is composed of a base and a raised surface layer; the raised surface layer increases the elasticity of the middle sole cloth and makes the middle sole cloth soft in hand feeling, so that the user's foot sole can be more comfortable; meanwhile, the further sewing and knitting of the raised surface layer on the basis of the base cloth increases the elasticity of the middle sole cloth and guarantees the tensile strength of the middle sole cloth.

The utility model provides an improved cotton carding dust filter packing device which comprises a dust filter box, and a supporting table is welded to the left side of the interior of the dust filter box. A feeding window is fixed to the upper left portion of the dust filtering box through bolts. An intercepting net plate is fixed on the middle right side in the dust filtering box through a bolt; working fans are fixed to the upper and lower parts of the right side in the dust filtering box through bolts; a PLC is fixed to the upper right portion of the outer wall of the dust filtering box through bolts. A first electric cylinder is fixed to the upper portion in the dust filtering box through bolts, and a lower pressing plate is fixed to an output shaft of the first electric cylinder through bolts. The front side of the dust filtering box is connected with a pushing and extruding seat structure; and the right upper part of the dust filtering box is connected with a back-blowing cleaning frame structure. Through the arrangement of the pushing and extruding base structure, cotton fibers are extruded and packaged again, and the situation that the transportation work is affected due to the fact that the cotton fibers are too large is avoided.

The application discloses a method for flocculation of bamboo fiber, comprising the following steps: S1, cleaning and cutting original bamboo fiber to obtain bamboo fiber; S2, immersing the bamboo fiber into an acid solution, and stopping the acid treatment when the lignin in the bamboo fiber reaches a predetermined lignin removal rate, to obtain bamboo fiber with partially removed lignin in the secondary wall; S3, immersing the bamboo fiber into an alkali solution, and stopping the treatment when the polysaccharide content in the bamboo fiber reaches a predetermined polysaccharide removal rate, to obtain bamboo fiber with partially removed polysaccharide in the secondary wall; S4, sampling and placing into an ultrasonic cleaning machine, adding fillers and water, taking the optimal filling rate as the final filling rate, and recording the treatment time; S5, drying and opening the bamboo fiber, roller carding and cross-laying, and feeding into a needle punching machine for needle punching reinforcement, to obtain bamboo fiber flocculation. The application combines acid treatment, alkali treatment and fillers, reduces the difference in strength and flexibility of the secondary wall in different directions, and realizes uniformity and consistency of the fiber.

The utility model relates to the field of yarn carding device, and disclose a kind of yarn carding device for chemical fibre textile, including concave bracket, the inside rotation of concave bracket is equipped with bottom carding shaft, the both sides of concave bracket are provided with height adjusting assembly, and top carding shaft is provided between the height adjusting assembly of both sides, top carding shaft and bottom carding shaft correspond up and down, adapt to the carding demand of different types chemical fibre yarn. Through servo cylinder in height adjusting assembly, top carding shaft can be accurately driven to move up and down, so that the spacing between top carding shaft and bottom carding shaft is quickly and accurately changed. This effectively avoids the problem that traditional device is damaged due to the fixed spacing of excessive carding or carding insufficiently leaves messy fiber, ensures that various types, thick and thin chemical fibre yarn can be applied with suitable carding strength, improves the versatility and applicability of device.

The utility model discloses a high-precision fabric preshrinking finishing machine, and relates to the technical field of preshrinking machines. The pre-shrinking machine comprises a pre-shrinking machine rack, a heating bin arranged at the top of the pre-shrinking machine rack and two groups of feeding carrying rollers which are arranged at the front end of the pre-shrinking machine rack and are distributed at intervals, and further comprises a pre-quantity adjusting roller arranged on the front side of the heating bin, a butt joint bottom plate is arranged in a cavity of the pre-quantity adjusting roller, and a track groove is formed in the side face of the butt joint bottom plate. And a movable sliding block is slidably connected into the track groove. According to the utility model, the positioning insertion hole which can be freely disassembled and assembled is formed in the pre-quantity adjusting roller, and meanwhile, the longitudinal height of the positioning insertion hole and the butt joint bottom plate connected with the positioning insertion hole can be adjusted under the condition that the driving mechanism is matched with the adjustment of the movable sliding block, so that the fabric can be subjected to relaxation adjustment of different scales according to the actual pre-quantity relaxation requirement; and the adjusting mode is simple, and meanwhile, the stability of the positions of the butt-joint bottom plate and the positioning insertion holes is enhanced by automatically clamping the limiting insertion blocks into the positioning ring holes.

The utility model discloses a swimming pool scoop net capable of quickly replacing net cloth. The swimming pool scoop net comprises a net frame and a net bag clamped on the net frame, a connecting belt is arranged at the opening end of the net bag, a clamping convex part is formed on the connecting belt, a clamping groove for placing the clamping convex part is formed in the net frame, and the connecting belt is arranged on the net frame along the clamping groove in a penetrating manner, so that the net bag is connected with the net frame in a clamping manner.

The utility model discloses an auxiliary device for installing a drag chain separation piece, which belongs to the technical field of drag chain part installation equipment and comprises a plurality of drag chain units which are continuously clamped end to end, and an upper cover plate and a lower cover plate are respectively arranged at the upper end and the lower end of the area between the drag chain units. A plurality of spaced vertical partition pieces are embedded between the upper cover plate and the lower cover plate, a plurality of transverse partition pieces penetrate through the interiors of through holes between the vertical partition pieces, the installation auxiliary device comprises an installation frame and a bottom auxiliary support, and the bottom auxiliary support comprises a front support plate and a rear support plate which are parallel. Clamping grooves are machined in the two sides of the upper surfaces of the front support plate and the rear support plate which are parallel, drag chain unit side plates are embedded into the clamping grooves, and connecting rods are connected to the left side and the right side between the front support plate and the rear support plate which are parallel. The installation auxiliary device is specially used for installation work of a plurality of transverse and longitudinal separation pieces, the installation precision and the installation efficiency can be improved, and stress extrusion deformation between the adjacent separation pieces is reduced.

The utility model discloses a cotton sliver carding device of a carding machine, which relates to the technical field of cotton carding devices and particularly comprises a rack, a cylinder roller is arranged at the top of the rack, two ends of the cylinder roller are rotatably arranged in a support, the support is mounted on the rack, a bearing frame is arranged on the rack, and a lifting mechanism is vertically arranged in the middle of the inner top of the bearing frame. An arc-shaped cover plate is mounted below the lifting mechanism; the arc-shaped cover plate is located above the cylinder roller, a plurality of cotton carding rollers are arranged in the arc-shaped cover plate, the cotton carding rollers are parallel to the cylinder roller, the two ends of each cotton carding roller are rotationally connected with the arc-shaped cover plate, and a driving mechanism connected with the cotton carding rollers is arranged at the top of the arc-shaped cover plate. When knotting and blocking occur between the cover plate and the cylinder roller in use, the telescopic mechanism can be controlled to lift the arc-shaped cover plate upwards, so that a certain gap exists between the arc-shaped cover plate and the cylinder roller, and sundries between the arc-shaped cover plate and the cylinder roller can be cleaned.

The application relates to the technical field of blended yarn, and particularly discloses a high-strength blended yarn production process, high-strength blended yarn and fabric. The production process comprises the following steps: preparing a pretreatment liquid, an ammonium sulfate aqueous solution and a post-treatment liquid; mixing cotton fibers, polyester fibers and bamboo pulp fibers, cleaning, carding, drawing, roving, spinning, treating the pretreatment liquid, the ammonium sulfate aqueous solution and the post-treatment liquid, and obtaining high-strength blended yarn through bobbin winding; the pretreatment liquid is mainly prepared from the following raw materials: water, 3-methyl acryloyloxypropyl trimethoxysilane, maleic anhydride, diacetone acrylamide, a penetrating agent, an emulsifier and a chelating agent; and the post-treatment liquid is mainly prepared from the following raw materials: water, heptanedihydrazide, a penetrating agent and a chelating agent. The high-strength blended yarn obtained through the production process has the advantages of high breaking strength, uniform appearance, soft touch, soft hand feeling, good warmth retention and economic value.

The utility model discloses a microbial degumming device for ramie fiber manufacturing, including processing jar, and the processing jar opening end is equipped with the apron through the connecting component, is equipped with the feeding pipe on the apron, and the sidewall of processing jar is connected with the apron through the lifting assembly, and the middle part of apron is equipped with the rotating component, and the both sides symmetry of apron are equipped with the adjusting mechanism matched with rotating component, and still be equipped with the clamping assembly in rotating component. The utility model connects through the adjusting mechanism between upper clamping plate and lower guide plate, and after adjusting motor adjusts the position through the second electric push rod, can drive the rotation of screw rod, drives the movement of lower guide plate relative upper clamping plate, and in the moving process, through the clamping assembly in lower guide plate, the ramie fiber is guided carding, avoids the fiber reunion and winding, and through the clamping of upper and lower clamping plate simultaneously, reduces the risk of fiber winding when rotating and mixing, provides the convenience for subsequent carding, spinning and other processing procedures.

The invention relates to the technical field of dust removal of high-temperature flue gas, and particularly discloses a production method of a glass fiber PTFE (Polytetrafluoroethylene) base cloth reinforced high-temperature-resistant filter material. The production method comprises the following steps that glass fiber filament yarn is subjected to heat treatment at 350-400 DEG C, the glass fiber yarn subjected to heat treatment passes through composite emulsion and is dried, and warp yarn is obtained; taking the PTFE filament yarns as weft yarns, and making the warp yarns and the weft yarns into woven cloth by adopting a rapier loom, so as to obtain glass fiber PTFE base cloth; the preparation method comprises the following steps: mixing chopped PTFE fibers and chopped glass fibers according to a weight ratio of (4-7): (3-6), opening and carding, and carrying out lapping, grid connection and pre-needling by taking glass fiber PTFE base cloth as base cloth, so as to obtain a composite pre-needled felt; the composite pre-needled felt is subjected to spunlace reinforcement treatment and singeing and then soaked in a stiffening agent, mangling and drying are conducted after soaking, and the glass fiber PTFE base cloth reinforced high-temperature-resistant filter material is obtained. The mechanical property of the filter material can be improved.

The utility model relates to a cotton carding device, including frame, two tins, guide plate subassembly and carding and impurity removal chain plate. Two tins are along frame height direction interval arrangement and are connected with frame rotation. The upper guide plate and lower guide plate of guide plate subassembly are with the relative surface of tin along shape arrangement. Carding and impurity removal chain plate is located between two tins, is closed type motion chain, and its outer chain plate layer is fixed with needle cloth, and the side edge of upper and lower layers is respectively abutted with guide plate. Through the cooperation of double tins and carding and impurity removal chain plate, the simultaneous carding and impurity removal of two tins are realized. This breaks through the limitation of traditional single tin single carding apron structure, solves the problem that carding apron utilization rate is low in the prior art, equipment production capacity potential is not fully released, and greatly improves the utilization rate and carding efficiency of carding and impurity removal chain plate.

The application relates to a machine vision driven real-time detection method for a lyocell fiber carding defect, and relates to the technical field of machine vision detection, and comprises the following steps: acquiring a surface image sequence of a lyocell fiber sliver through a first industrial camera; determining a pixel gray abnormal threshold based on a real-time production condition parameter set, judging a suspected defect area, and immediately generating a trigger signal and a position code and sending the same to a second industrial camera; acquiring a second sliver surface image through single-frame image acquisition of the suspected defect area by the second industrial camera; inputting the second sliver surface image into a motion blur denoiser for image enhancement to obtain a second enhanced sliver surface image, and obtaining a carding defect detection result through a defect detection model. The application solves the problems that the traditional fiber sliver defect detection is difficult to consider the detection speed and precision, the process is greatly affected by the working condition and imaging quality, and the detection effect is poor and the stability is low.

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.