511results about "Needling machines" patented technology

The invention discloses a preparation method of composite geotechnical cloth, belongs to the technical field of geotechnical material processing, and solves the problems of insufficient interlayer bonding strength, poor permeation stability and incapability of adapting to regional differentiation mechanical requirements in the traditional process. According to the method, two layers of synthetic fiber geotextile and a layer of polymer geomembrane are selected, and a gradient needling machine is adopted to implement a double-station gradient needling process, specifically, thick needle needling pre-reinforcement is synchronously conducted on the upper side and the lower side till the membrane thickness is 50-60% of the depth, then fine needle needling finishing is conducted till the membrane thickness is 70-80% of the depth, the needling density is preset to be 20-70 needles / cm according to different stress areas of a membrane material, and the needling density is 20-70 needles / cm according to different stress areas of the membrane material; in the process, data of needling depth, needling density and membrane material tension are collected in real time through a dynamic monitoring system, parameters are automatically adjusted, and finally a stable structure is formed through heat setting treatment at 120-140 DEG C for 8-12 minutes. The composite geotextile prepared by the method has a high-strength bonding interface and excellent anti-seepage performance, and is suitable for the engineering fields of water conservancy project anti-seepage, road base reinforcement, refuse landfill isolation and the like.

The invention relates to the technical field of needling machines, and discloses a needling machine based on intelligent tension adjustment, the needling machine comprises a needling machine, a support frame, a material frame and a controller, the support frame is fixedly connected to one side of the needling machine; by arranging the tension adjusting mechanism, when tension is insufficient in the non-woven fabric conveying process, an image collector can capture wrinkles generated by the non-woven fabric due to the insufficient tension and transmit information to a controller, a PLC module arranged in the controller can start an air cylinder at the moment, the air cylinder can push a matching box to move upwards, and then the non-woven fabric is conveyed to the matching box. A first piston plate, a first pushing block and a connecting block in the matching box can synchronously move upwards, the connecting block can drive a linkage block and two first sleeves to move upwards, a positioning block and a tensioning roller can synchronously move upwards along with the first sleeves, and the upper surface of the tensioning roller abuts against the bottom of the non-woven fabric; the effect of intelligently adjusting the tension of the non-woven fabric is achieved, the subsequent non-woven fabric puncturing effect is improved, and then the working efficiency of the needling machine is improved.

The invention relates to a spunlace non-woven fabric dehumidification device, a control method and system thereof and a storage medium, and relates to the technical field of spunlace non-woven fabric dehumidification. The method comprises the steps that in response to a starting signal of a spunlace system, a centrifugal fan is controlled to work at preset power; a water vapor inlet pipe is controlled to be opened at an inlet through which water vapor enters, under the negative pressure effect of a centrifugal fan, the water vapor is introduced into a water vapor separation barrel for separation operation, primarily-separated water vapor and adsorbed water are obtained, and the relative difference value between the water vapor concentration in the primarily-separated water vapor and a preset upper limit concentration threshold value is obtained; the rotation direction and the rotation speed of the spiral blade are determined according to the relative difference value, and the rotation direction comprises clockwise rotation and anticlockwise rotation; and controlling the spiral blade to rotate according to the rotating speed and the rotating direction. The water vapor recovery device has the effect that the damage probability of the centrifugal fan is reduced while water vapor is recovered.

A variable-pitch synchronous needling mechanism comprises a rack, the rack is connected with a rotating table, the rack is provided with a variable-pitch adjusting assembly above the rotating table through a supporting arm, the variable-pitch adjusting assembly is connected with a telescopic needling plate through a guide rod, and the telescopic needling plate is provided with a plurality of needle holes. A driving assembly used for controlling the needling plate to move is arranged in the variable-pitch adjusting assembly, and the variable-pitch adjusting assembly is connected with the rotating table through a transmission system. According to the variable-pitch synchronous needling mechanism provided by the utility model, the needling pitch can be flexibly adjusted, the requirements of different products on the needle pitch are met, the processing requirements of different carbon-carbon preforms can be met, and the diversity and the quality of the products are improved. In addition, the uniformity of the needling effect can be effectively guaranteed through synchronous needling and needle pitch actions, so that the damage and defects of the carbon-carbon preform are greatly reduced. The production efficiency is improved, and the production cost is reduced.

The utility model belongs to the technical field of non-woven equipment, and particularly relates to a high-elastic interlayer non-woven fabric production device. The high-elastic interlayer non-woven fabric production device comprises a fiber net conveying belt, a heating device, a needling device, a cooling device and a cloth roller which are sequentially arranged, and the fiber net conveying belt is at least provided with three synchronous conveying channels. Based on the non-woven fabric, fiber entanglement consolidation can be achieved through needling, and the non-woven fabric of a sandwich structure is obtained.

According to an aspect of the present invention, there is provided a sleeve for a drum for use in forming, pressing or moulding a fibrous web, wherein the sleeve comprises at least two parts and each part has a form of an open-ended cylinder with two edges, configured to be arranged concentrically on the drum. At least one edge of each part has a peripheral locking form, and adjacent edges of adjacent parts have corresponding cooperating peripheral locking forms adapted to lock the parts to each other.

The utility model discloses a needle-stitched fabric weaving device, including a base, a needle-stitched fabric machine is fixedly installed on the top of the base, and two rotating shafts are rotatably installed on both sides of the top of the base, a first sprocket is fixedly sleeved on the top of any rotating shaft, a second sprocket is fixedly sleeved on the bottom of the corresponding two rotating shafts, a same second chain is sleeved between the two second sprockets, and a same first chain is sleeved between the two corresponding first sprockets, a motor is fixedly installed on the bottom of the base, the output shaft of the motor is fixedly connected to the corresponding rotating shaft, and two mounting blocks are fixedly installed on both sides of the top of the base. The utility model has a simple structure and is easy to use. The needle-stitched fabric weaving device is convenient for automatically collecting impurities and thread waste when weaving needle-stitched fabrics, reducing environmental pollution and increasing aesthetics.

The utility model discloses a surface fibrillated aramid fiber non-woven fabric treatment system, which is based on a composite process of chemical acid treatment splitting and mechanical spunlace splitting, can effectively improve the fibrillation degree and the filtering efficiency of a needled aramid fiber non-woven filter material, and simultaneously reduces the loss of treated fibers and the influence on the physical properties of the filter material. The treatment process is simple, and the treatment liquid can be recycled for multiple times. The treatment system comprises a needling device, a pretreatment pool, a first spraying device, an acid treatment pool, a second spraying device, a spunlace device and a drying device which are sequentially arranged in the direction of an assembly line. The needling device is used for preparing aramid fibers fed into the needling device into aramid non-woven fabric; pretreatment liquid is contained in the pretreatment pool and is used for cleaning the aramid fiber non-woven fabric; a chemical splitting reagent is contained in the acid treatment tank and is used for dipping the aramid fiber non-woven fabric; the spunlace device is used for performing spunlace processing on the aramid fiber non-woven fabric.

The utility model discloses needling equipment with a mesh belt mesh feeding mechanism. The needling equipment comprises the mesh belt mesh feeding mechanism and a needling mechanism, the mesh belt mesh conveying mechanism comprises two conveying meshes which are arranged up and down at an interval, and a fiber mesh is conveyed between the two conveying meshes; the up-down conveying net is composed of a plurality of net belts which are sequentially arranged in parallel, and gaps allowing needles of the needling mechanism to penetrate through are formed between the adjacent net belts. The mesh belt mesh conveying mechanism is adopted to replace a common mesh pressing roller, a mesh stripping plate and a mesh supporting plate, the phenomenon that a fluffy fiber mesh is blocked when entering a needling area due to the fact that the fiber mesh rebounds due to the fact that gaps exist between the mesh pressing roller and the mesh stripping plate as well as between the mesh pressing roller and the mesh supporting plate can be avoided, the fiber mesh is clamped and synchronously conveyed between the upper conveying mesh and the lower conveying mesh, and the needling efficiency is improved. The efficiency of the needling equipment can be greatly improved, and the process speed limitation of the traditional needling equipment is broken through.

A method for producing a composite material part comprising —a step of producing a preform formed of unidirectional continuous fibers oriented in at least one fiber orientation, —a step of applying non-woven filaments to the preform, and —a step of needling the filaments by means of a needling device comprising a plurality of needles, each needle being provided with a notch extending along a notch axis perpendicular to the main longitudinal axis of the needle, or several notches each extending along a notch axis perpendicular to the main longitudinal axis of the needle, the notch axes being parallel to each other, the needles and the preform being arranged so that the notch axes form a non-zero angle with the fiber orientation.

A right-angle needle-punching mechanism and a needle-punching device are provided. The right-angle needle-punching mechanism includes a first right-angle needle-punching assembly and a second right-angle needle-punching assembly, a position adjusting assembly configured to drive the first right-angle needle-punching assembly and the second right-angle needle-punching assembly approach or move away from the preform, and an angle adjustment assembly configured to change needle-punching angles of the first right-angle needle-punching assembly and the second right-angle needle-punching assembly. The angle adjustment assembly, the first right-angle needle-punching assembly, and the second right-angle needle-punching assembly are arranged on the position adjusting assembly. The first right-angle needle-punching assembly includes a first right-angle needle plate, the second right-angle needle-punching assembly includes a second right-angle needle plate, and the first right-angle needle plate and the second right-angle needle plate perform needle punching on respective sides of the right-angle part of the preform.

A needling system for making a textile preform includes a needling head; a robotic arm movable in several degrees of freedom, carrying the needling head and configured so as to move the needling head following predetermined trajectories and orientations; a textile strip feeding device mounted on the needling head and configured to deposit the textile strip on a support and cut it, and a monitoring unit configured to control the robotic arm, the actuation of the needling head and the deposition of the textile strip according to a predefined program for making the textile preform.

The invention relates to the technical field of needling machine equipment, in particular to a needling device suitable for a special-shaped composite material preform, which comprises a mounting seat, a speed reducing motor is connected to the mounting seat, the output end of the speed reducing motor is connected with a rotating shaft, the rotating shaft is connected with an eccentric through hole of an eccentric wheel, and the eccentric wheel is rotatably connected in a cylindrical needle bearing; the cylindrical needle bearing is inserted into a second through hole in the end of the push plate, the push plate is in sliding fit with the mounting base, the other end of the push plate is connected with the quick-change needle row, the other end of the quick-change needle row faces the tool, the bottom of the mounting base is connected with the horizontal moving part, and the quick-change needle row is adjusted to face the normal direction of a prefabricated body and conducts needling on the prefabricated body. The surface of the R-angle prefabricated body and the surface of the conical prefabricated body can be needled, and then the purpose of tight combination of fibers in the prefabricated body is achieved.

The utility model belongs to the field of non-woven fabric production, and particularly relates to a needle-punched non-woven fabric forming device and system. The device comprises a hollow first air pressure cabin, the first air pressure cabin is provided with a plurality of channels penetrating through cabin walls on two opposite sides, the first air pressure cabin is communicated with a first steam pipeline, and the channels are arranged in parallel; the hollow second air pressure cabin is parallel to the first air pressure cabin, a plurality of through holes are formed in the cabin wall, facing the first air pressure cabin, of the second air pressure cabin, and the second air pressure cabin is communicated with a second steam pipeline; and a gap is formed between the first air pressure cabin and the second air pressure cabin. According to the non-woven fabric needling device, in the needling process of the non-woven fabric, high-temperature and high-humidity treatment can be conducted on the non-woven fabric through saturated vapor pressure, the flexibility of fibers is improved, fiber damage is reduced, and the mechanical property of the non-woven fabric is improved.

The utility model discloses a spindle box type needling machine with needles convenient to replace, and relates to the technical field of needling machines. The spindle box type needling machine facilitating needle replacement comprises a supporting frame, an assembling plate is arranged in the supporting frame, a mounting groove is formed in the lower surface of the assembling plate, a mounting plate is fixedly connected to the top wall of the mounting groove, a mounting block is fixedly connected to the lower surface of the mounting plate, and sliding grooves are formed in the surfaces of the left side and the right side of the mounting block correspondingly; the interiors of the two sliding grooves are slidably connected with clamping blocks correspondingly, the inner walls of the left side and the right side of the supporting frame are rotationally connected with threaded rods correspondingly, the two threaded rods are arranged in a mirror image mode, and the close ends of the two threaded rods rotationally penetrate into mounting blocks correspondingly, so that when pricking needles are replaced on a large scale, the needle plate can be taken down conveniently, and the pricking needles can be replaced conveniently. And therefore, the pricking needle can be conveniently detached in a special environment, and the problems that workers are injured and the replacement progress is slow due to the fact that the detaching space is narrow and repeated for multiple times are solved.

The invention discloses a carbon fiber preform double-arm human-shaped needling robot system and a needling method, the system is divided into a mechanical structure module, a decision module and an algorithm module, the whole process from preform laying to needling is automatically completed through automatic equipment and self-set algorithm participation, the dependence on manual operation is greatly reduced, and the needling efficiency is improved. And high-efficiency automatic operation of the carbon fiber preform is realized. According to the design and implementation, the robot system is controlled through a double-arm cooperative control and collision avoidance algorithm, a sensing and feedback mechanism and technological parameter self-adaptive optimization, multi-axis linkage control, intelligent sensing and a deep learning algorithm are fused, real-time optimization can be conducted when complex tasks are executed, full-automatic operation of the needling module is achieved, and the working efficiency is improved. And the method has high flexibility and adaptivity.

The utility model relates to the technical field of acupuncture machines, and discloses a rocker arm structure for a non-woven fabric needle-punching machine, including a top plate, eccentric wheels are passed through and fixedly connected to the left and right sides of the outer ring of the rotating shaft, a needle plate is fixedly connected to the bottom of the fixed rod, a second motor is fixedly connected to the top of the top plate, a threaded rod is fixedly connected to the output end of the second motor, a nut pair is passed through and threadedly connected to the bottom of the outer ring of the threaded rod, a fixed plate is fixedly connected to the outer ring of the nut pair, a connecting block is fixedly connected to the left and right sides of the bottom of the fixing plate, and the connecting block is passed through and rotatably connected to the rotating shaft, and a shock absorbing structure is arranged at the bottom between the left and right sides of the support plate. In the utility model, the threaded rod is driven to rotate by the second motor, so that the nut pair drives the fixing plate and the connecting block to move upward, so that the slider drives the rocker arm structure to move upward, so that the needle-punching machine can needle non-woven fabrics of different thicknesses.

The invention provides high-precision PPS / PTFE membrane filter material processing equipment and a processing technology thereof, and relates to the technical field, the high-precision PPS / PTFE membrane filter material processing equipment comprises a rack, a lifting guide rod is slidably connected to the rack, a needling mechanism is fixedly mounted at the lower end of the lifting guide rod, and the needling mechanism comprises a needling beam plate, a sliding needle frame, an inner needle connecting rod, an outer needle cylinder and a bundling assembly; the sliding needle frame is connected to the needling beam plate in a sliding mode, a plurality of driving guide blocks are arranged on the lower side of the needling beam plate, a driving rack is arranged on the lower side of an extending block, a driving gear is arranged at the upper end of an inner needle connecting rod, and a wedge-shaped sliding block is rotationally connected to the upper side of the driving gear; the collecting assembly comprises a collecting support, a collecting worm, a collecting worm gear, a transmission chain and a collecting wheel, the outer needle cylinder is provided with a communicating sliding groove, and the collecting wheel protrudes out of the outer wall of the outer needle cylinder. According to the invention, the bundling assembly can be used for bundling and filling the puncture hole, so that the purpose of needling without holes is achieved, and the filtering efficiency is ensured.

The utility model discloses a device for puncturing a cotton piece, which comprises a rack and a controller, and a humidifying chamber, a high-pressure chamber and a drying chamber are arranged on the rack. According to the device, a traditional needling technology is abandoned, high-pressure air is adopted as a medium, when a humidified cotton piece passes through a high-pressure chamber, the cotton piece is punctured through the high-pressure air sprayed out of a high-pressure box, and double-face puncturing of the cotton piece is achieved through the special space layout of a first conveying mesh belt and a second conveying mesh belt; strong pressure enables fibers on the surface of the cotton piece to move to the deep layer of the cotton piece, fibers in the fiber web are mutually entangled, the tension of the cotton piece is improved, the cotton piece is finally subjected to air high-pressure puncture and high-temperature treatment, the shape of the formed cotton piece is changed, the cotton fiber reaches ideal throwing degree, the tension reaches the required standard, and meanwhile, due to no strong intervention of physical felting needles, the cotton piece can be well fixed. And the fluffy feeling of the surface of the cotton piece cannot disappear.

The utility model discloses a non-woven fabric needling device with an adjustable hole diameter, and relates to the technical field of non-woven fabric production auxiliary equipment, in particular to the non-woven fabric needling device with the adjustable hole diameter. Comprising a main body, an anti-skid handle, an aperture generator, a pinhole storage groove, input equipment, a display, an electric adjusting device, a rotary button, a laser range finder, pinholes, hot press equipment, a positioning system module, an integrated control module and output equipment. According to the utility model, the operation is stable through the anti-skid handle, the aperture parameters are set by the input device, and the distance between the needle holes is accurately adjusted through the electric adjusting device. A laser range finder and a positioning system ensure accurate needling, and the hot press accurately controls the hot pressing process. The display displays the working state in real time, and the rotary button provides man-machine interaction. The pinhole storage groove realizes flexible production, and the output equipment prints a production report. And the pinhole storage groove and the integrated control module store the working state, so that quick recovery is facilitated.

The invention discloses a needling force reducing method and a needling device for a carbon fiber brake disc preform, a needle plate device is divided into different units, and the needling force is reduced by dynamically adjusting the needling depth, density and frequency and the needling force borne by each layer. And it is ensured that each needling unit can achieve accurate force reduction control according to the thickness and density of the carbon fiber preform. According to the device, through the design of the composite gradual change needle plate, the unit dividing technology and the batch needling mode are utilized, the overall stress is reduced, the motor power in the needling process is optimized and adjusted through the composite needling algorithm, and it is ensured that the needling output power of a motor system is smooth, and the system runs stably. The stability of the device can be improved, meanwhile, fluctuation of motor power output is remarkably reduced, the needling operation efficiency of the carbon fiber brake disc prefabricated body is further improved, the device can adapt to the structural design requirements of various different products, and the needling processing refinement level of the prefabricated body is improved.

The invention relates to the technical field of carbon fiber product processing, and solves the problems of uniform parameters, no real-time density feedback, low needling precision, lack of dynamic regulation and control, lack of vibration and thermal management, poor process stability, single needling needle design and limited pore regulation and control dimension of a traditional process. The depth-controllable needling method for regulating and controlling the PAN-based pre-oxidized fibrofelt pore structure comprises the following steps which are executed in sequence: pretreating a fibrofelt, and performing real-time scanning through a beta-ray density instrument to obtain a density distribution diagram; regional needling parameter matching: a plurality of groups of needling assemblies are automatically divided according to a density distribution diagram; executing dynamic needling, and synchronously introducing into a water-based cooling system; and performing closed-loop depth calibration, and updating the density-acupuncture depth mapping model based on the resistance data. According to the method, dynamic, accurate and self-adaptive adjustment of acupuncture parameters is achieved, the consistency, uniformity and controllability of pore structure regulation and control are remarkably improved, and the multi-layer pore structure is optimized.

The utility model discloses a composite spunlace device, belonging to the technical field of nonwoven fabrics, comprising a spunlace roller, the spunlace roller being a hollow cylindrical structure, a spunlace net with a fine open hole structure being arranged on the surface, guide rollers being provided on both sides, a first spunlace component being arranged on the top of the spunlace roller, a second spunlace component being arranged on the side of the spunlace roller, the first spunlace structure spunlaces the composite nonwoven fabric from the outside to the inside, and the second spunlace component spunlaces the composite nonwoven fabric from the outside to the inside through the spunlace net.

The polygonal pyramid type needling needle of the pre-oxidized fiber felt comprises a needle handle and a needling portion, the needle handle is matched with a needle penetrating hole in a needle plate, the needling portion comprises a needle rod and a needle tip, the needle rod forms a barb inwards from the circumferential direction, particularly, the needle rod is in a polygonal prism shape, the barb is concaved inwards from the edge of the polygonal prism, the barb faces the needle tip and is a lower barb, and the needle tip faces the lower barb. The barbs are upper barbs facing the needle handle, the lower barbs and the upper barbs are arranged around the center of the polygon prism in an array mode, and the lower barbs and the upper barbs drive pre-oxidized fibers to be interwoven up and down respectively in the needling process and the back needling process of the needling needle. On one hand, on the basis of bidirectional movement formed by the upper barb and the lower barb, needling and back needling are interwoven, and needling efficiency and quality are greatly improved; on the other hand, the contact area is changed based on the prism shape, and the offset probability during upper and lower needling is reduced based on the upper and lower barbs in the array layout, so that the needle breaking rate is reduced.

The present invention discloses a preparation process and production equipment for a water-based polyurethane sports shoe leather base, which belongs to the technical field of microfiber leather preparation of multi-layer base cloth. In the preparation process of the water-based polyurethane sports shoe leather base, a plurality of belt pressure wheel groups that can be overlapped are used to press the multi-layer base cloth. The multi-layer base cloth is arranged in an S shape and wound in the plurality of overlapping belt pressure wheel groups. Each belt pressure wheel group includes a swinging base cloth stretching component that can stretch the surface of the multi-layer base cloth from the inside to the outside, a dynamic needling component that can adjust the spacing between the circular belts and thus adjust the needling spacing according to actual needs, and a base cloth correction component. The base cloth correction component can adjust different transmission speeds when the transmission speeds of different cross sections of the multi-layer base cloth are different. The belt pressure wheel group can select different numbers according to actual needs, and cooperate with the multi-layer base cloth to be arranged and wound in an S shape, so that the multi-layer base cloth can be stretched and needled on both sides.

The invention discloses a non-woven fabric web conveying device with the function of compressing cotton web, which comprises left and right wallboards corresponding to each other, a cotton clamping mechanism arranged between the left and right wallboards, a cotton clamping adjusting mechanism arranged on the left wallboard for adjusting the clamping angle of the cotton clamping mechanism, a cotton clamping power transmission mechanism arranged on the right wallboard, the left end of a linkage shaft connected with the left side of the cotton clamping mechanism, a left rear conveying curtain adjusting mechanism fixed with the lower end of the rear side of the left wallboard, a right rear conveying curtain adjusting mechanism fixed with the lower end of the rear side of the right wallboard, the left middle part of the rear conveying curtain mechanism connected with the left rear conveying curtain adjusting mechanism, the right middle part of the rear conveying curtain mechanism connected with the right rear conveying curtain adjusting mechanism, the front part of the front conveying curtain mechanism supported between the left and right wallboards, the left and right middle parts supported on the ground, and the front part of the front conveying curtain mechanism protruding out of the front part of the left and right wallboards, and a conveying curtain driving mechanism arranged on the right side of the left wallboard. The device can reduce the operation intensity, shorten the downtime and meet the requirements of stepless adjustment.

The utility model relates to a water spraying device for alumina fibers. Comprising a water needle plate, two water spraying structures are arranged on the water needle plate, each water spraying structure comprises two rows of water spraying holes, the water spraying holes are formed in the length direction of the water needle plate, and the four rows of water spraying holes of the two water spraying structures are arranged in a staggered mode; a first water distribution cavity and a second water distribution cavity are formed in the shell, a mounting hole matched with the water needle plate is formed in the shell, the water needle plate is mounted on the inner side of the mounting hole, the first water distribution cavity is communicated with the two rows of water spraying holes of one set of water spraying structure, and the second water distribution cavity is communicated with the two rows of water spraying holes of the other set of water spraying structure. Compared with a fixed water pressure mode of a single-channel water needle, the multiple water needles are arranged, so that alumina fibers can be fully wound, the working efficiency is improved, the entangling efficiency of the alumina fibers is improved, the damage effect of high-pressure continuous water needles on the fibers is reduced, and the device is particularly suitable for reinforcing low-gram-weight thin alumina fiber non-woven materials.

The utility model relates to an elliptical opposite-needling needling unit which comprises an elliptical opposite-needling pre-needling machine, a first elliptical opposite-needling main needling machine and a second elliptical opposite-needling main needling machine. The elliptical opposite-needling pre-needling machine comprises a bidirectional synthetic motion assembly, an upper needle plate beam assembly, a lower needle plate beam assembly, a barrier supporting and stripping net assembly, a needle plate and micro-perforation needles. The bidirectional synthetic motion assembly comprises a main motor, an upper spindle box, an upper spindle component, a lower spindle box, a lower spindle component, an upper horizontal driving assembly and a lower horizontal driving assembly. Compared with production equipment of spunlace products, the elliptical opposite-needling needling unit only uses three pieces of production equipment with the same structure as that of an elliptical opposite-needling pre-needling machine, the production line process is short, the occupied area is small, a water treatment system is not needed, consumption of water resources is reduced, the produced product is non-woven fabric with a micro-perforated structure and a spunlace fabric style, and the production cost is reduced. Products produced by a spunlace process can be replaced, and low-cost and low-carbon green production is realized.