438 results about "Metal filament" patented technology

The invention discloses a fine nickel wire for the metal mesh weaving industry and a preparation method of the fine nickel wire. The fine nickel wire is prepared from, by mass, more than or equal to 99.5% of Ni, 0.03-0.04% of C, less than or equal to 0.01% of Cu, 0.05-0.12% of Mn, less than or equal to 0.03% of Si, less than or equal to 0.01% of Ti and the balance impurities. According to the method, the oxygen content of the melt is controlled by controlling the vacuum degree, and the material component selection is combined, so that the metal wire with few non-metal slag inclusion and small granularity is obtained, and the micro-fine wire can be processed to phi 0.03 mm, including but not limited to phi 0.03 mm, and also can be processed to phi 0.03 mm to phi 0.05 mm. The tensile strength sigma b of the prepared fine nickel wire is larger than or equal to 380 MPa, and the elongation delta is larger than or equal to 15%.

The invention relates to the technical field of metal composite wires, in particular to a manufacturing method and device of a double-layer metal composite wire. The manufacturing method comprises the following steps that S1, a double-layer metal composite blank rod is taken, the double-layer metal composite blank rod comprises a core layer metal wire and a metal coating layer coating the outer side of the core layer metal wire, and the tensile strength of the metal coating layer is larger than that of the core layer metal wire; s2, the double-layer metal composite blank rod is subjected to multi-pass drawing, a composite metal wire is obtained, pulse current is applied to a metal coating layer located in a drawing area in the drawing process, the mechanical property of the metal coating layer is made to be matched with that of a core layer metal wire, and interface fracture is restrained; and S3, the composite metal wire is subjected to annealing treatment, and the composite metal wire is obtained. According to the method, the effect that only the metal coating layer is softened is achieved by controlling pulse current parameters and utilizing the skin effect and the electroplastic performance, the drawing deformation of the inner metal and the drawing deformation of the outer metal are consistent, the quality of the composite wire is improved, and the method is suitable for the situation that the conductivity of the inner-layer metal is larger than that of the outer-layer metal.

The utility model relates to the technical field of glass bottle production, and provides a bottle pushing device of an annealing furnace, which comprises a bottle pushing plate, a bottle separating tooth block, a heat-resistant cotton layer, a metal wire and a supporting seat, the bottle separating tooth blocks are fixedly connected with the front side face of the bottle pushing plate, and the multiple bottle separating tooth blocks are arranged at intervals in the length direction of the bottle pushing plate to form bottle containing grooves; a limiting hole is formed in the bottle pushing plate; the heat-resistant cotton layer is laid in the length direction of the bottle pushing plate and tightly attached to the surface of the bottle dividing tooth block. The metal wires penetrate through the limiting holes and bypass the bottle containing grooves, the two ends of the metal wires are screwed to bind the heat-resisting cotton layer to the bottle pushing plate, and the metal wires correspond to the limiting holes one to one. The bottle pushing device has the advantages that the heat-resistant cotton layer is detachably mounted on the bottle pushing plate and is convenient to replace during maintenance, and the bottle pushing plate has a bottle separating function, so that the quality of glass bottles entering an annealing furnace is improved.

Provided is a tire comprising at least one reinforcement layer in a tread portion, wherein the reinforcement layer includes a reinforcement element 2 consisting of a plurality of metal filaments 1 that are aligned in a single row without being twisted together, and crosslinked rubber 3 coating the reinforcement element 2, and the metal that constitutes the metal filaments 1 is steel whose surface is coated with a ternary plating of copper, zinc, and iron. This tire has a reinforcement layer with excellent adhesive durability between the steel cord and its coating crosslinked rubber and high fuel efficiency.

The invention discloses a microscopic structure test method for metal filaments, thin strips or coatings, which is applied to the technical field of physical and chemical detection of materials. According to the method, an ion beam which is focused by an electromagnetic lens and accelerated by an electric field with specific intensity and has specific beam intensity is used for continuously scanning a test surface of a sample at specific scanning speed and scanning times, and the ion beam excites a secondary electronic signal while generating a stripping effect on atoms with nanoscale thickness on the surface layer of the test surface of the sample; according to the principle that a contrast image containing crystal orientation information is obtained by utilizing the characteristic that the stripping effect and the excitation intensity of a secondary electronic signal are influenced by different crystal face orientations of a polycrystalline metal material, the microstructure information of a sample test surface is further obtained. The microscopic structure information of metal filaments, thin strips and plating layers, which is not easy to obtain by a traditional metallographic corrosion method, can be intuitively, quickly and accurately obtained, the detection problem of microscopic structures such as bonding wires, connecting sheets and plating layers commonly used in the field of microelectronics is solved, and the blank of a test method is filled.

The invention discloses a metal wire coating conveying mechanism, and relates to the technical field of metal wire coating, the metal wire coating conveying mechanism comprises a wire collecting working area and a coating working area, a wire collecting rolling shaft is arranged at the lower end of the interior of the wire collecting working area, and a wire collecting motor is arranged on one side of the exterior of the wire collecting working area; the power output end of the wire collecting motor is connected with the wire collecting rolling shaft through a magnetic fluid sealing transmission assembly, a guide pulley assembly and a third pulley support are arranged at the upper end and the lower end in the wire collecting working area correspondingly, and a first pulley support and a second pulley support are arranged at the upper end and the lower end in the film coating working area correspondingly. According to the mechanism for completing wire winding and unwinding through the same rolling shaft, wire winding and wire unwinding can be achieved at the same time through rotation of the same rolling shaft in the same direction, the equipment structure is greatly simplified, wire winding and unwinding act on the same rolling shaft, it can be guaranteed that the wire winding and unwinding tension of metal wires is stable, wire breaking or loosening is avoided, and film coating is more uniform. And the metal wires can be replaced more conveniently, and the production efficiency is improved.

The invention discloses an electrolyte interference resistant solid heavy metal cation electrode and a preparation and use method thereof, and belongs to the technical field of electrode preparation. The electrode sequentially comprises a heavy metal wire, a nano heavy metal coating, a heavy metal / selenide sensitive film or a heavy metal / sulfide sensitive film and a nano microporous polyvinyl chloride film from inside to outside. Firstly, a nanometer heavy metal coating is formed on the surface of a to-be-plated heavy metal wire through an electroplating method; placing in a sodium selenide solution or a sodium sulfide solution for chemical deposition reaction to generate a heavy metal / selenide sensitive film or a heavy metal / sulfide sensitive film to obtain a heavy metal ion selective electrode blank; vertically dipping in a film-forming agent, and standing vertically with the detection end facing upwards, so that a nano-microporous polyvinyl chloride film is generated on the surface; and finally, washing to remove the residual film-forming agent, and drying to obtain the electrolyte interference resistant solid heavy metal ion electrode. The electrode is firm in structure and small in size, is matched with a reference electrode for use, and is sensitive in response to metal ions in a solution to be detected.

The invention relates to the technical field of lubricating oil treatment, in particular to a waste lubricating oil rapid natural precipitation device which comprises a precipitation cylinder and a fixing plate distributed over the precipitation cylinder and fixedly connected with an external object, and a filtering mechanism is arranged in the precipitation cylinder; the filtering mechanism comprises a first filtering assembly, the first filtering assembly comprises a filtering cylinder arranged on the upper side in the precipitation cylinder, a sliding rail of an annular structure is fixed to the upper side of the exterior of the filtering cylinder, and the filtering cylinder is rotationally connected with the inner wall of the precipitation cylinder through the sliding rail. According to the filtering structure, on one hand, metal wires in the cutting oil can be effectively filtered and subjected to impurity removal, the filtered metal wires are collected, the collected metal wires are stacked and laid in the filtering structure, a better silk screen filtering structure is formed, the filtering effect is further improved in the reverse direction, on the other hand, secondary filtering is provided, and the filtering effect is improved. The filtering area of the filtered cutting oil is further increased, oil sludge and metal dust impurities in the cutting oil are filtered, and the quality of subsequent cutting oil is improved.

The invention relates to the technical field of electric arc spraying devices, in particular to a supersonic speed electric arc spraying device and a spraying technology.The supersonic speed electric arc spraying device comprises a supersonic speed electric arc spraying device body, the outer wall of one end of the supersonic speed electric arc spraying device body is fixedly connected with a power source, and the other end of the supersonic speed electric arc spraying device body is fixedly connected with a spraying opening; a first wire pipe is fixedly connected to the side, close to the spraying opening, of the outer wall of one side of the supersonic electric arc spraying device body. The wire feeding wheel has the beneficial effects that through the elastic pieces and the elastic rings installed in the wire feeding wheel, when the wire feeding wheel conveys metal wires, impact force and vibration generated in the conveying process of the metal wires are effectively absorbed and collected, so that the metal wires are more stable in the conveying process, the risk that the metal wires deviate or break due to vibration or impact is reduced, and the production efficiency is improved. The stability and the reliability of conveying are correspondingly improved, and the smooth proceeding of the production process is ensured.

The dry ore crushing device comprises an ore crushing barrel, a discharging plate is movably installed in the middle of the interior of the ore crushing barrel, a feeding port is formed in the upper portion of the side wall of the ore crushing barrel, and a discharging port is formed in the lower portion of the side wall of the ore crushing barrel; a mounting plate is arranged at the upper part in the ore crushing barrel, a plurality of mounting holes are uniformly distributed in the mounting plate, a bag is arranged in each mounting hole, and the upper end of each bag is open; the moving plate is arranged on the mounting plate, and the edge of the upper end of the bag is clamped between the moving plate and the mounting plate; a plurality of shock wave generating assemblies are arranged on the movable plate, the shock wave generating assemblies correspond to the mounting holes one to one, metal wires of the shock wave generating assemblies extend into the bags, and water injection holes are formed in the positions, above the bags, of the movable plate; the lifting device is arranged above the moving plate, and the lifting end of the lifting device is connected to the upper end of the moving plate. The problem that in the prior art, ore needs to be put into a water environment, and then shock wave operation can be conducted is solved.

The utility model belongs to the technical field of plate-fin heat exchangers, and specifically relates to a multi-core combination structure of an aluminum plate-fin heat exchanger. It includes a core group, a left head provided at one end of the core group, a right head provided at the other end of the core group, and a spacing area between two adjacent cores in the core group. The core group is composed of at least two cores stacked in a vertical partition direction, and the spacing area is the area between the adjacent side plates of the two cores; a metal wire cloth is provided in the spacing area, and spacing seals are provided around the spacing area to seal the area. The technical solution provided by the utility model is fixed by sealing strips on all sides, and a dense metal fabric cushion layer is evenly laid in the middle to make the heat transfer extremely uniform and rapid, so that the manufacturing welding quality risk is greatly reduced, and the operating efficiency is greatly improved. The seals are placed in the venting and exhausting channels so that abnormalities in operation can be discharged in a timely and safe manner. This structure improves the comprehensive performance from design and manufacturing to installation and use and the entire life cycle.

A downhole sealing tool and method use a swellable material (e.g., a swellable rubber or a swellable metallic material) with increased surface area for faster reaction with an activation fluid. In one example, a swellable metallic sealing element and actuator are carried on a tool mandrel for lowering into a wellbore on a conveyance. The sealing element includes a plurality of expandable metal wires supported along the tool mandrel. The expandable metal wires comprise a swellable metallic material that swells in response to exposure to an activation fluid. The actuator is used to separate at least a portion of the expandable metal wires, to increase a surface area exposed to the activation fluid and thereby accelerate the reaction.

The invention provides a preparation device and a preparation method of a multi-layer heterogeneous metal coating material, and relates to the technical field of metal composite material preparation. Under the action of a drawing current loop in the electroplastic drawing unit, the composite coated metal wire is subjected to electroplastic drawing by a plurality of groups of drawing dies, the drawn composite coated metal wire enters the heat treatment unit, the composite coated metal wire is subjected to heat treatment under the action of a heat treatment current loop, and a finished product of the composite coated metal wire is formed. The drawing pulse power supply and the metal wire form a current loop, the plasticity of the metal wire can be improved by the drawing pulse current in the drawing process, so that the drawing force required by the metal wire is reduced, and meanwhile, the heat treatment unit applies the heat treatment pulse power supply to carry out online electric pulse heat treatment on the metal wire. The coating metal and the core metal form high-strength metallurgical bonding, and the performance of the metal coating material is effectively improved.

The moisture power generation device provided by the invention at least comprises a core layer, a skin layer and a conductive metal wire wound outside the skin layer, the skin layer comprises polyvinyl alcohol, the core layer comprises thermoplastic polyurethane and conductive filler, the skin layer wraps the core layer, and the conductive metal wires are not in direct contact with the core layer. The preparation method at least comprises the following steps: completely dissolving polyvinyl alcohol powder in a mixed solution of water and DMSO to prepare a skin layer spinning solution; stirring and mixing the DMF solution of the thermoplastic polyurethane powder and the DMF dispersion liquid of the conductive filler at a high speed to prepare a core layer spinning solution; and spinning the skin layer spinning solution and the core layer spinning solution at different extrusion speeds, carrying out coagulating bath and drying treatment, and finally winding a metal wire on the periphery of the skin layer to prepare the moisture power generation device. The device has good thin moisture absorption performance, can generate more current, improves the output power of the power generation device, is simple in preparation process, facilitates continuous production, and can be widely applied to flexible wearable equipment and self-powered power supplies.

The invention relates to a metal wire rod for low-temperature refrigeration and a preparation method and application thereof.The preparation method comprises the following steps that (1) a metal raw material is put into a crucible and sealed, a micropore piece is arranged at the bottom of the crucible, the crucible is heated by controlling the heating power under the protective atmosphere so that the metal raw material can be molten, then heat preservation refining is conducted, and the metal raw material is obtained; smelting liquid is obtained; and (2) filling protective gas into the crucible, enabling the pressure in the crucible to be greater than the external pressure, extruding the smelting liquid from the microporous sheet under the action of pressure difference and gravity, and then cooling to obtain the metal wire rod. According to the preparation method, the diameter-adjustable metal wire for low-temperature refrigeration can be obtained by regulating and controlling technological parameters, the preparation process is simple and efficient, the product surface is smooth, the size is uniform, and the preparation method is suitable for industrial production.

The invention belongs to the technical field of carbon material preparation, and particularly relates to a method for preparing activated carbon based on waste masks and PCB nonmetal powder and application. After metal wires and rubber belts are removed from the non-woven fabric waste mask, the remaining part is smashed; and grinding the non-metal part of the waste circuit board, mixing with the mask chippings, pickling, filtering, washing filter residues to be neutral, mixing with Ca (OH) 2 and a second activating agent to obtain slurry, and sintering the slurry to obtain the activated carbon material. The prepared activated carbon material has developed pores, high specific surface area and excellent adsorption performance, and can synergistically utilize the PCB nonmetal components and the waste masks to prepare the carbon material, thereby providing a low-cost, high-benefit, environment-friendly and energy-saving technical solution for realizing resource utilization of the PCB nonmetal components and the waste masks; wide application prospects are realized.

Device (1) for improving mass and heat transfer in packed columns (4) under different operating conditions, characterized in that tubular structured metal wire devices (3, 7, 12) are used as packings for operating the column.

The invention relates to the technical field of polysilicon production, and specifically discloses a chemical vapor deposition molecule dispersing mixer; the mixer comprises an outer shell, an inner cylinder, a flange, an inlet connecting ring, an outlet connecting ring, a fixing column, a metal wire mesh and a sealing layer; a plurality of metal wire meshes are arranged in the inner cylinder; threading holes are opened circumferentially at positions corresponding to the metal wire meshes on the inner cylinder; the metal wire meshes are woven by metal wires passing through the threading holes; the metal wire meshes are a horizontal and vertical mesh structure of metal wires; two adjacent metal wire meshes are arranged to be axially rotated by α degrees; and a sealing layer is coated on the outer wall of the inner cylinder; the invention utilizes the principle that the collision between metal wires and macromolecular clusters destroys the van der Waals force between molecules to disperse the macromolecular clusters, mixes a plurality of materials, and is conducive to forming silicon crystals of uniform size; at the same time, a method of punching holes in the inner cylinder and weaving metal wires into a metal wire mesh is adopted to replace a method of welding internal components of a traditional mixer, thereby reducing the risk of the material being contaminated by impurities in welding points.

The present invention discloses a casting mold with rapid and uniform cooling and a manufacturing method thereof. The casting mold cavity is composed of a mold block and a powder metallurgy composite surface layer. The mold block is a porous metal block formed by sintering metal wires, which is machined to obtain a shape that matches the upper mold and the lower mold, and its entire surface is covered with a metal powder composite surface layer; the upper mold and the lower mold are respectively equipped with a cooling fluid inlet pipe and a cooling fluid outlet pipe; the cooling fluid inlet pipe is connected to the cooling fluid inlet, communicates with the mold block, and forms a cooling fluid channel with the cooling fluid outlet pipe. This manufacturing method includes pressing and sintering of a metal block, preparation of a powder metallurgy composite surface layer, and rolling extrusion. The present invention has a simple structure, a convenient manufacturing method, is easy to implement, and has a low production cost; it significantly improves the heat exchange efficiency between the fluid and the mold, realizes rapid solidification of the forming material, and improves production efficiency; and has good market application prospects.

Ultrasonic filament modeling systems and methods may be utilized to achieve room-temperature 3-D printing of solid (>95%) metal materials. A vibrating tool is applied to a metal filament to form a voxel, inducing mechanical deformation as well as inter- and intra-layer mass transport. Desired structures may be built on a voxel-by-voxel basis. Additionally, by varying the applied ultrasonic energy, the microstructure of the resulting structure may be controlled.

The invention provides a degradable metal fat-reducing wire and a preparation method and application thereof, and belongs to the technical field of medical instruments. The main body of the degradable metal fat-reducing wire provided by the invention is a degradable metal wire, and the degradable metal fat-reducing wire further comprises a polymer coating covering the surface of the degradable metal wire. The degradable metal fat-reducing line can be pierced into an acupuncture point until a fat layer or implanted into the fat layer through an acupuncture method, the effect of continuously stimulating the acupuncture point is achieved, the fat-reducing effect is achieved, after the fat layer is implanted, the degradable metal fat-reducing line can be continuously degraded to generate local alkalinity and release heat, and fat hydrolysis can be promoted; the polymer coating on the surface can control the degradation rate of the degradable metal wire, the full degradation time of the degradable metal fat-reducing wire is prolonged, the fat consumption time is prolonged, and rebounding and repeated wire embedding are avoided.

A smelting wire (11) comprising a metal sheath (12) enclosing a core (14) containing a refining material (14), the refining material (14) comprising calcium carbide, the calcium carbide being located at or near the center of the core along at least a portion of the length of the core.

A metal wire, which is one of a tungsten wire and a tungsten alloy wire, includes alkali metal on the surface thereof. The amount of alkali metal is at most 2.0 μg per 1 g of the metal wire.

The application relates to the technical field of machine tool equipment, and discloses a metal forming machine tool equipment with an automatic lubricating function, which comprises a rack, a control panel, a lubricating processing mechanism and a collection filtering mechanism; the filtering mechanism is installed in the rack, the collected lubricating oil is filtered through the filter screen in the movable table, the used lubricating oil is collected and filtered; and a clamping fixing mechanism is arranged; the collection filtering mechanism is arranged, the splashed lubricating oil can be blocked through the blocking piece, the lubricating oil is left in the bottom of the movable table or in the placing groove, the metal wire scraps generated in the processing in the placing groove are taken away in the flowing process of the lubricating oil, the metal wire scraps and the lubricating oil flow into the filtering groove through the first liquid leakage hole or the second liquid leakage hole, the metal wire scraps generated in the processing process can fall into the screen mesh and be collected, the lubricating oil is prevented from splashing around and being difficult to handle, and the lubricating oil can be reused.

The invention discloses an electrical explosion oil removal method and a device for implementing the electrical explosion oil removal method, belongs to the technical field of metal surface treatment or cleaning, solves the defects of poor oil removal effect on the surface of a metal device and high cost in the prior art, and mainly provides the electrical explosion oil removal method. Comprising the following steps that S100, a device to be deoiled and a metal wire for electrical explosion are placed in insulating liquid; s200, the metal wire is gasified through a high-voltage pulse power supply, shock waves are released, and waste oil attached to the surface of the device to be deoiled is stripped off through insulating liquid; and S300, the steps of S100 to S200 are repeatedly carried out to carry out continuous oil removal on the device to be subjected to oil removal. The method is mainly used for reducing the oil removal cost on the premise of ensuring the oil removal effect on the surface of the metal device.

The present invention provides a metal rubber blank and a preparation method thereof and a metal rubber molded part, and relates to the field of metal rubber technology. The preparation method limits some detailed parameters (such as the winding height of the spiral winding on the mandrel, etc.) during the preparation of the metal rubber blank and sets the winding nodes, so that the hooking / meshing between the metal wires inside the prepared metal rubber blank is consistent, the tightness between the blank and the mandrel is consistent, and the same tension is maintained, which provides a good foundation for the subsequent preparation of the metal rubber molded part. The present invention also provides a metal rubber molded part, which is made using the above-mentioned metal rubber blank. In view of the advantages of the above-mentioned metal rubber blank, the metal rubber molded part made therefrom has good stiffness and damping performance.

The invention relates to the technical field of additive manufacturing, in particular to a molten metal drop spraying additive manufacturing system and method.The core structure of the system is a multi-pole electric arc melting-molten metal drop spraying integrated composite sprayer, and continuous feeding metal wires are efficiently smelted through double-bypass MIG electric arcs; the pulse heating power generated by the central plasma arc in a high-frequency state is adjusted, and the molten metal is driven to be sprayed out from a nozzle below the spray head in cooperation with air pressure, so that jet deposition with stable and adjustable molten drop size and frequency is realized. According to the composite nozzle structure, a first-stage structure for achieving efficient metal smelting is composed of a center plasma arc-double-bypass MIG composite multi-pole arc and a feeding welding wire, and a second-stage structure for achieving metal rectification-injection is composed of a small funnel-shaped buffer cavity and a tail end nozzle. The system has the characteristics of small size, easiness in carrying, high integration, wide application range and the like.

The invention provides a preparation method of a boron-containing stainless steel component. According to the method, the boron-containing stainless steel powder core wire is prepared by wrapping boron and compound particles thereof with a certain content and proportion through a stainless steel sheath. And then the prepared boron-containing stainless steel powder core wire serves as a raw material, and a boron-containing stainless steel component is prepared through deposition by means of the electric arc additive manufacturing technology. The method combines the characteristics of flexible and easy-to-customize components of the cored wire and the characteristics of in-situ metallurgical melting of the metal wire and rapid solidification and layer-by-layer accumulation forming of an electric arc additive technology, and effectively solves the problems of poor thermoplasticity and difficulty in processing and forming of a boron-containing stainless steel material in the prior art. While the boron-containing stainless steel material is prepared, the structure-function integrated forming of the boron-containing stainless steel large nuclear shielding component can be realized.

The utility model relates to a compressing, fixing and assembling device which comprises a non-metal base, a tension spring and a plurality of turnover compressing plates, and the non-metal base is provided with round holes capable of containing ceramic chips and metal sheets. One end of the tension spring is connected to the non-metal base; in the multiple overturning pressing plates, one side of each overturning pressing plate is hinged to the non-metal base, the other side of each overturning pressing plate can be detachably connected with the corresponding tension spring, the middle of each overturning pressing plate can be arranged on the upper surface of the corresponding ceramic piece in a pressed mode, and the round head side of a metal wire penetrating through the corresponding ceramic piece and the corresponding metal piece abuts against the bottom of the corresponding round hole; the other side abuts against the lower surface of the metal sheet so as to ensure that the metal wire round head is tightly attached to the end face of the metal sheet. Compared with the prior art, by means of the tension spring and the turnover pressing plate, stable and uniform pressure can be applied to the ceramic chip and the metal sheet, and the problem that a gap exists between a metal wire round head and the end face of the metal sheet in the traditional technology is effectively solved.

The utility model discloses a refrigerator control system and a vehicle-mounted refrigerator. The refrigerator control system comprises a first switch module, a second switch module, a third switch module, a detection module and a control module. The control module outputs a first control signal, a second control signal and a first pulse width modulation signal. The first switch module is turned on or off in response to the first control signal. The second switch module is turned on or off in response to the second control signal. The third switch module is alternately turned on and off in response to the first pulse width modulation signal. When the first switch module and the second switch module are switched on, the metal wire emits heat, the heating temperature is determined by the first pulse width modulation signal, and when the first switch module and / or the second switch module are switched off, the metal wire stops heating. The detection module detects impedance of the metal wire and outputs a detection signal based on the capacitance value of the metal wire when the impedance of the metal wire is smaller than or equal to preset impedance. Through the mode, multiple functions are realized based on one load, so that the manufacturing process is simplified, and the cost is reduced.