20 results about "Composite mesh" patented technology

The utility model relates to the production of fiber-reinforced polymer mesh made of non-metallic materials, used for reinforcing masonry and brickwork, concrete structures, for soil reinforcement, as well as for fencing and increasing the service life of roads.The task of the utility model is to create a FRP mesh having high consumer characteristics, physical and mechanical properties, while ensuring high axial tensile strength of both longitudinal and transverse rods.The FRP mesh is made of longitudinal and transverse rods connected to each other in accordance with the principles of the utility model; the mesh cell zone is formed by connecting cured and uncured rods at a right angle with subsequent curing of the mesh, in that case the connection of rods is carried out by feeding bundles of roving strands belonging to the formed longitudinal rod that are divided into strands of unequal thickness, are oriented perpendicularly to the longitudinal axis of the transverse rod and cover areas of its radial surface on opposite sides, which leads to the formation of cavities between rectilinear sections of the longitudinal rod and the surface of the transverse rod (FIG. 6, Table 2)

The utility model provides a monofilament diaphragm composite screen cloth structure. The monofilament diaphragm composite screen cloth structure comprises a first-material screen cloth and a second-material screen cloth, the second material monofilament membrane comprises a plurality of yarns and a polymeric membrane layer, the yarns are arranged in the polymeric membrane layer, the polymeric membrane layer comprises a plurality of holes, and the yarns extend in the same direction and are parallel to one another; the screen cloth made of the first material and the monofilament diaphragm made of the second material are arranged among the combined film layers; wherein the first-material screen cloth and the second-material monofilament membrane are partially overlapped, the holes are formed in the position, overlapped with the first-material screen cloth, of the second-material monofilament membrane, and the combining membrane layers combine and clamp the position, overlapped with the first-material screen cloth, of the second-material monofilament membrane. And the combined film layers penetrate through the holes and are fixedly combined with one another. The monofilament membrane composite screen cloth structure can be suitable for screen cloth which does not comprise warp and weft yarn cross weaving holes.

The invention provides a composite material mesh processing and forming method. The method comprises the following steps: continuously conveying a first-direction composite material wire harness from a feeding device, and automatically monitoring that the first-direction composite material wire harness reaches a first specified position by utilizing at least one sensor; leading out the second-direction composite material wire harness by using a wire leading device, so that the second-direction composite material wire harness and the first-direction composite material wire harness execute winding and weaving operation at a second specified position; when it is monitored that the composite material wire harness in the first direction reaches a first designated position, a cutting device is automatically driven to cut the composite material wire harness in the first direction, and a wound, woven and formed composite material net is obtained; and based on a curing temperature strategy, controlling to heat and cure the wound, woven and molded composite material net to obtain a composite material net finished product. Through cooperation of multiple devices, the synchronization precision is improved, and the rate of finished products is increased.

The invention discloses a high-strength low-extension ultrathin composite net and a preparation method thereof, and relates to the technical field of composite nets, the composite net is formed by weaving a plurality of strands of warps and a plurality of strands of wefts, each strand of warps is composed of two polyester silk warps, and each strand of wefts is composed of two polyester silk wefts. During weaving, the stress is relieved firstly; selecting flat steel healds and reeds corresponding to the mesh number and the wire diameter of the silk screen; the number of winding shafts of warp polyester yarns is two, the polyester yarns on the two winding shafts simultaneously penetrate through the flat metal heald and the reed at the same angle, and the tension of the two strands of warp polyester yarns is the same; taking the polyester yarns threaded with the flat steel healds and the reeds as warp yarns, taking two strands of weft polyester yarns, and taking out the two weft polyester yarns from the winding shaft at the same angle and tension; tatting on a knitting machine to form a composite net; the double-warp and double-weft structure is adopted, the thickness of the whole composite net cannot be increased through the parallel mode, and the strength of the composite net can be greatly improved through the double-warp and double-weft structure.

The utility model discloses a non-woven fabric with a composite mesh surface, which relates to the technical field of non-woven fabrics and comprises a mesh surface layer, a yarn pressing composite layer, a thin film sticking layer and an annular binding layer, the mesh surface layer is tightly attached to the bottom surface of the yarn pressing composite layer, and the yarn pressing composite layer is tightly attached to the bottom surface of the thin film sticking layer. A worker prepares a bottom non-woven fabric base layer from warp yarns and weft yarns of the net surface layer by using a circular weft knitting machine, then compositely sews the yarn pressing composite layer and the base layer, and then integrally sews center joint yarns to form a composite net surface layer in the ultrathin chemical fiber sheet surface material by combining a patch of the thin film patch layer and a bee grid thin film; the non-woven fabric with the composite net surface is integrally formed by combining the collecting holes of the annular collecting layer and the annular bunched wires with a punching machine or a hot press to be pressed and formed, the ultra-thin and tight composite effect is achieved, the structure of the non-woven fabric product is effectively improved, the lines are optimized, and therefore the product effect that the thin-surface non-woven fabric is integrally output is combined and matched with the product effect that the thin-surface non-woven fabric is completely output is achieved.

The application discloses a PE wax powder anti-bonding grading conveying device and belongs to the grading conveying technical field. The device comprises a powder feeding mechanism, a multistage conveying mechanism is arranged below the powder feeding mechanism, the powder feeding mechanism comprises a powder feeding hopper, a linkage driving assembly is arranged on the powder feeding hopper, and a group of elastic matching assemblies are arranged on the upper and lower sides of the powder feeding hopper. The linkage driving assembly is matched with the elastic matching assemblies and the annular wave plate, so that the flexible lining structure can be shaken, the problems of powder wall sticking, accumulation and hardening and caking are effectively reduced, the flexible lining structure can synchronously drive the internal elastic composite mesh belt structure to shake disorderly during the shaking process, the powder is dynamically disturbed, the mesh holes of the two elastic composite mesh belt structures are staggered, the hardening and caked powder is intercepted in multiple stages, the central powder accumulation structure can be effectively broken up, the powder bridging and arching forming conditions are destroyed, and thus the uniform powder feeding and stable conveying of the PE wax powder are ensured.

This utility model relates to the field of protective roll netting technology, and particularly to a protective roll netting, comprising two reinforcing plates. Each reinforcing plate has a tapered nail threadedly connected to its upper front and upper rear ends. Two threaded posts are fixedly connected to the upper ends of the two reinforcing plates on their adjacent sides. A multi-layer composite mesh structure and a surface buffer assembly are sleeved together on the upper outer surface of the four threaded posts from bottom to top. Nuts are threadedly connected to the upper outer surface of each of the four threaded posts. A bottom reinforcing rib assembly is provided at the lower end of the two reinforcing plates on their adjacent sides. This protective roll netting, through the tapered nails and reinforcing plates stabilizing the foundation, the threaded posts and nuts fixing the multi-layer composite mesh and surface buffer assembly to achieve graded protection, and the bottom reinforcing rib assembly enhancing structural strength, effectively solves the problems of weak protective force and poor stability of traditional roll netting, improving its applicability and protective effect in multiple scenarios.

The application discloses a thrombus taking device with a composite mesh structure, a support body of which adopts a woven structure and is arranged in a multi-segment structure and comprises a support outer layer and an inner layer. The outer layer is a large-mesh thrombus embedding structure, which is beneficial to the large thrombus to burst in to provide strong anchoring force and realize efficient embedding; the inner layer is a small-mesh leakage prevention structure, which is used for intercepting the thrombus fragments falling off in the thrombus taking process and preventing secondary embolism. The thrombus taking device takes into account the embedding and leakage prevention of the thrombus through the composite mesh structure, and the success rate and safety of thrombus taking are improved. The woven structure and the multi-segment design reduce the contact area and pulling damage of the support and the blood vessel wall, the soft spring arranged at the distal end can buffer the contact stress and reduce the risk of blood vessel intima damage. Meanwhile, the small-mesh independent unit of the inner layer, the multi-segment leakage prevention thrombus bundle port or the double-layer leakage prevention thrombus structure enhances the radial support force of the middle part of the woven support, guarantees the adhesion and embedding stability of the woven support in the tortuous blood vessel, avoids the displacement of the support or the falling off of the thrombus, and is beneficial to improving the prognosis of patients.

The invention discloses a manufacturing method of an ultrathin composite capillary structure. The composite capillary structure is mainly formed by composite sintering of a copper net and copper powder. The manufacturing method mainly comprises the following steps that 1, a copper net with the thickness ranging from 0.05 mm to 0.1 mm is prepared; (2) copper paste is prepared, and copper powder, a binding agent and a pore forming agent are evenly mixed according to a certain proportion to obtain the copper paste; and (3) the copper paste prepared in the step (2) is coated on the copper net prepared in the step (1), drying, degreasing and sintering treatment are carried out after coating, and finally the ultrathin composite capillary structure with excellent performance is obtained. According to the ultrathin composite net based on the copper net and the copper powder, the characteristics of the copper net and the copper powder can be combined, the capillary structure strength is good, and the production requirement of the vapor chamber can be well met.

The utility model relates to the technical field of cosmetic inner containers, and discloses a sponge inner container powder puff with composite mesh cloth locking materials, which comprises a powder puff inner container, the bottom of the powder puff inner container comprises sponge, the top of the sponge is provided with a hot melting mesh film, and the top of the hot melting mesh film is provided with mesh cloth. The hot melt net film is located between the net cloth and the sponge, and the sponge, the hot melt net film and the net cloth are connected through thermal compounding; the screen cloth is prepared by compounding a velvet outer layer surface, a fiber mixed layer, a cotton fiber mixed layer and a nylon mixed layer. According to the sponge liner powder puff with the composite screen cloth locking material, the processing technology is simple, the processing cost of a product can be effectively reduced, operation is easy, the number of workers is reduced, the labor cost is reduced, the production efficiency is improved, and the productivity is increased, so that the efficiency can be improved, the satisfaction degree of consumers can be increased, the cost can be reduced by 20%, and the production efficiency can be improved by 500%.

The utility model discloses a waterproof insulation composite screen cloth winding device, relates to the technical field of winding device structures, and aims to solve the problems that an existing waterproof insulation composite screen cloth is inconvenient to wind after being produced and processed and is inconvenient to discharge after being wound. A mounting supporting frame is arranged at the upper end of the mounting base, a fixed mounting frame is mounted above the mounting supporting frame, a control device box is mounted on one side of the mounting supporting frame, a linear motor is mounted at one end of the mounting supporting frame, a moving seat is mounted at one end of the linear motor, and a mounting frame is mounted on one side of the moving seat. A supporting frame is mounted on one side of the mounting frame, a rotary supporting seat is mounted at the upper end of the supporting frame, a placement seat is mounted above the rotary supporting seat, a motor is mounted above the fixed mounting frame, a rotary seat is mounted below the fixed mounting frame, and an extrusion seat is mounted below the rotary seat.

The present invention relates to the technical field of composite fabrics, specifically to a composite mesh material and a preparation method and application thereof, comprising a woven layer, a sanded layer, a hot melt adhesive layer and a hydrophobic coating. The woven layer is woven from viscose fibers dispersed with nano-scale AIBN, nano-scale inert metals and micron-scale AIBN. The sanded layer is formed on the surface of the woven layer, the hot melt adhesive layer is located at the bottom of the woven layer, and the hydrophobic coating is sprayed on the surfaces of the woven layer and the sanded layer. Through the preparation method, nano-scale and micron-scale gaps are formed on the surface of the viscose fibers during the wet spinning process, and these gaps cooperate with the embedded nano-scale inert metals to form a microscopic hydrophobic structure. In addition, even if the surface is worn, the composite mesh material still has good hydrophobicity, can achieve waterproof, oil-proof and anti-fouling effects, and at the same time avoid the composite mesh material surface from losing its waterproof, oil-proof and anti-fouling properties due to wear.

The application discloses a production process of a full-opening composite mesh plate of a steel wire mesh and an electroformed alloy plate, and relates to the field of mesh plate production.S1: the steel wire mesh is subjected to inspection treatment;S2: braiding treatment;S3: rolling treatment: the steel wire mesh after the first flat meshing is subjected to appearance inspection, and is cleaned after the inspection is qualified; and the steel wire mesh is subjected to the second flat meshing treatment after the rolling treatment is completed;S4: the reservation of the warp steel wire: the warp steel wire is reserved according to the size of the prefabricated pattern; the braided mesh plate is cut into a sheet-shaped mesh cloth, and is uniformly laid on an electroformed mold; the surface of the mold is provided with a vacuum evaporation nano coating;S5: the pasting treatment of the photoresist film.The production process of the full-opening composite mesh plate of the steel wire mesh and the electroformed alloy plate has the advantages that the composite mesh plate manufactured by the process is designed in a full-opening mode, and the printability of the mesh plate, the line height-width ratio and the printing filling are greatly improved.

The invention relates to the technical field of high-pressure containers, in particular to a finite element mesh modeling method for a composite layer of a composite material gas cylinder, which comprises the following steps: firstly, acquiring a gas cylinder lining geometric model; importing finite element simulation software to carry out geometric editing and shell unit grid division; then, the thicknesses, the winding angles and the material attributes of the shell units at the end sockets and the barrel are assigned, the thicknesses and the winding angles of the barrel and the shell units are the same, and the thicknesses and the winding angles of the shell units are calculated according to the coordinates of the center points of the shell units for the end sockets; and finally, assigning the shell unit thickness, the winding angle and the material attribute of the transition area between the end socket and the cylinder. According to the method, the finite element mesh model of the composite layer of the composite gas cylinder based on the composite mesh theory is established, the geometric structure of the composite layer of the composite gas cylinder is restored to the maximum extent, the modeling efficiency is improved, the calculation error caused by mesh modeling is reduced, the calculation precision is improved, and the calculation cost is reduced.

The invention discloses a polyolefin composite material and a preparation method thereof, and belongs to the technical field of composite screen cloth. The polyolefin composite material comprises PP (polypropylene) gridding cloth and TPO (thermoplastic polyolefin) films attached to two sides of the PP gridding cloth. The preparation method comprises the following steps: uniformly coating one side of the PP gridding cloth with a TPO film melt subjected to tape casting, and uniformly coating the other side of the PP gridding cloth with the TPO film melt subjected to tape casting after curing; or the two layers of TPO films formed through calendaring are arranged on the two sides of the PP gridding cloth, and hot-press fitting is carried out. According to the polyolefin composite material provided by the invention, stripping of the gridding cloth and the film is not needed before recovery, integrated recovery can be carried out, the recovery process is greatly simplified, the recovery cost is reduced, meanwhile, the recovery efficiency is improved, and the environmental protection performance and sustainability of the material are remarkably enhanced.

The invention discloses an anti-corrosion high-strength multi-layer composite screen cloth and a preparation method thereof, and relates to the technical field of multi-layer screen cloth materials. The inner-layer screen cloth adopts polyester monofilaments with hollow structures as warp and weft yarns and binding yarns, the bonding performance between the inner-layer screen cloth and the outer-layer screen cloth is improved by pre-coating the screen cloth with polyurethane slurry, and the inner-layer screen cloth has dynamic imine groups and phenyl groups and can be combined with the outer-layer screen cloth through pi-pi interaction, so that the high-strength effect is achieved. Secondly, preparing outer-layer screen cloth by utilizing polypropylene staggered spinning and coating a modified epoxy resin anticorrosive coating on the surface; benzotriazole octadecylamine salt and graphene are combined to form hybrid modified particle modified epoxy resin, and graphene has a two-dimensional lamellar structure to form a labyrinth effect, so that the advancing path of a corrosive medium is prolonged, and permeation of the corrosive medium is prevented; benzotriazole octadecylamine salt can relieve the metal corrosion rate of graphene, and the long-acting comprehensive anti-corrosion effect is achieved through combination of benzotriazole octadecylamine salt and graphene. The screen cloth prepared by the invention has the effects of corrosion resistance and high strength.

This invention relates to the field of mesh weaving technology, and more particularly to a fiber-reinforced composite mesh production system, comprising a mesh weaving machine for inserting and twisting transverse and longitudinal ribs to form a mesh structure; a twist adjustment module for responding to the mesh weaving state by obtaining the deviation contribution rate of each longitudinal rib based on the twist deviation value of each longitudinal rib, to locate the source of twist unevenness as a single longitudinal rib or multiple longitudinal ribs, and adjusting the winding speed of the twisting of the longitudinal ribs or adjusting the design twist based on the average deviation direction of the longitudinal ribs; and a deviation adjustment module for responding to the degree of influence by determining the type of mesh twist deviation based on several instantaneous deviations, and adjusting the winding speed or design twist in conjunction with the twist deviation trend, wherein the twist deviation trend is determined based on the cumulative effect coefficient of twist deviation of several grids. This invention improves the twist uniformity and grid size consistency of mesh weaving through progressive control.

This utility model relates to the technical field of mining roadway support devices, specifically a mine-use self-connecting composite mesh, including a steel woven mesh and a chain link mesh. The chain link mesh is equipped with multiple expansion locking components for anchoring to the tunnel wall. The expansion locking components are connected to the chain link mesh via universal adjustment components, which are fixedly installed on the chain link mesh. Each universal adjustment component has a self-locking component, and the expansion locking components have mounting holes for anchoring to the tunnel wall and control components for locking the universal adjustment components with the self-locking components. The advantages are: firstly, the self-locking components lock the universal adjustment angle, and the expansion locking components anchor to the tunnel wall, creating a dual locking mechanism that ensures no loosening or displacement between the composite mesh and the tunnel wall, preventing the protective mesh from falling off and failing; secondly, the combination of the steel woven mesh and the chain link mesh can resist high-pressure deformation of the surrounding rock in deep roadways and the impact of large pieces of ore, while also intercepting gravel and fine materials in all directions.

The invention belongs to the technical field of mold pressing casting molding, and particularly relates to a composite material net frame high-pressure casting foaming molding method which comprises the steps of material preparation and mixing, mold arrangement, mold closing, casting, mold pressing reaction, curing demolding and the like. By specifically setting a raw material preparation mode, specific steps and parameters, the composite material net frame which is integrally formed, light in weight, high in strength, environment-friendly, flame-retardant, insulated, heat-insulated, corrosion-resistant, non-magnetic, long in service life, high in plasticity and the like and has a sandwich-like composite structure can be obtained.