303 results about "Metal filament" patented technology

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 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 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 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.

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.

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 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.

The application relates to a high-order nonlinear friction-based metal rubber material hysteresis dynamics modeling method, which comprises the following steps: constructing a high-order nonlinear friction force model according to the contact form and spatial angle distribution of metal wires in the metal rubber; constructing a traditional dynamics model; substituting the high-order nonlinear friction force model into the traditional dynamics model to construct a high-order nonlinear friction-based metal rubber hysteresis dynamics model; performing parameter identification on the metal rubber hysteresis dynamics model; constructing an error model to represent the error of the test results affected by the dynamics model; performing parameter identification on the error model to determine the optimal number of model terms that should be included in the model, and completing the determination of the error model; completing error model parameter optimization, and completing model construction according to the model correlation coefficient of the high-order nonlinear metal rubber hysteresis dynamics model based on the error model. The method is beneficial to the establishment of a metal rubber dynamics model with high precision and universality.

The utility model belongs to the field of comb tooth steam seals, and particularly relates to a composite comb tooth steam seal which comprises a steam seal ring, a connecting body is fixedly connected to the surface of the steam seal ring, and a composite structure is arranged on one side of the steam seal ring. Through the composite structure, the comb plate in the composite structure is fixedly connected with the mounting plate, so that the comb plate is connected with the steam seal ring through the mounting plate, the brush is fixedly mounted in front of the comb plate through the connecting seat, and the brush can adopt densely arranged fine metal wires; the effect that steam leakage mainly occurs in tiny gaps formed among densely-arranged fine metal wires, zigzag paths formed by the gaps ensure non-uniformity of fluid flowing in the gaps, the fluid generates a self-sealing effect, and therefore the leakage is effectively reduced is achieved, and the problem that if the number of flow channels is small, the sealing effect is poor is solved. And the pressure of the steam between the stages is reduced, so that the throttling effect is reduced, and the steam leakage rate is increased.

The utility model relates to the technical field of electric power engineering, and discloses a high-insulation cable, which comprises a conductor, a composite insulating layer arranged on the outer wall of the conductor, a shielding layer fixedly mounted on the outer wall of the composite insulating layer, a sheath layer fixedly mounted on the outer wall of the shielding layer, and a second insulating layer arranged on the outer wall of the first insulating layer, the inner wall of the first insulating layer is fixedly connected with the outer wall of the conductor, the outer wall of the first insulating layer is fixedly provided with a second insulating layer, the outer wall of the second insulating layer is fixedly provided with a third insulating layer, the outer wall of the third insulating layer is fixedly connected with the inner wall of the shielding layer, and the conductor is made of copper metal. The composite insulating layer is arranged, the sheath layer is made of a polyvinyl chloride material, and the structural design and material selection of the composite insulating layer are optimized, so that the cable has excellent insulating performance and good mechanical performance; and the requirements of a modern electric power system on high-voltage and large-current transmission are met.

This invention relates to the field of metal material processing technology. It discloses a synergistic composite forming process for metal wire electroforming and drawing, comprising the following steps: first, surface cleaning and activation treatment of the base metal wire to remove oxide layers, oil stains, and impurities; then, feeding the pretreated wire into an electroforming device to deposit a metal plating layer, obtaining an initial electroformed composite wire; subsequently, direct online radial high-pressure drawing to achieve a dense bond between the electroformed layer and the base metal; followed by annealing of the composite wire; repeating the electroforming, drawing, and annealing steps at least once to complete multiple synergistic cycles; finally, testing the dimensional accuracy, mechanical properties, and interlayer bonding force of the composite wire, and cutting it into finished products after passing the tests. This invention employs an online tandem synergistic process of electroforming and drawing, avoiding plating oxidation and interface contamination. Radial high-pressure drawing can compact the plating layer, eliminate porosity, and improve bonding density.

The application discloses a kind of silk powder isomeric electromagnetic jet additive manufacturing device and method, belong to material surface jet technical field.It includes shell and stirring needle, the lower end of stirring needle is provided with powder outlet and the gas powder passage compatible with the powder outlet, further include: fixedly installed in the needle sleeve of shell, the lower end of needle sleeve penetrates out of shell and is equipped with first spinneret;Fixedly installed in the guide wire shaft of shell, the lower end of guide wire shaft penetrates out of shell and is equipped with second spinneret;Fixedly installed on the yarn feeding assembly of shell, two metal wires in yarn feeding assembly are respectively connected with the positive and negative poles of power supply.Two metal wires are used as self-consumption electrode, when two metal wires penetrate out of shell and contact each other, short circuit is generated, due to high current density, electric arc is generated between two metal wires, the end of two metal wires is simultaneously melted, the particle generated by melting is wrapped on metal powder to form core-shell structure material, promote metal powder and substrate material to form more firm combination.

The application belongs to the technical field of medical packaging and decorative packaging, and particularly discloses a novel antibacterial material with a wire-weaving appearance, a product thereof and a preparation method of the antibacterial material. The antibacterial material comprises a woven mesh cloth with through mesh holes which is woven by resin filaments; the upper and lower surfaces and the periphery of the woven mesh cloth are covered with a metal plating layer; a flow-casting resin layer containing nano-silver particles is arranged below the woven mesh cloth, the flow-casting resin layer comprises an outer cover part and an inner embedding part which fills the mesh holes, and the filling depth of the inner embedding part does not exceed the height of the mesh holes; a transparent ink layer is arranged above the woven mesh cloth, and the surface of the transparent ink layer is incompletely covered with a UV coating layer; and a primer layer is arranged on the lower surface of the flow-casting resin layer. The antibacterial material has the advantages of long antibacterial life, low cost, safety and beauty, good water permeability and resistance to yellowing, and has a wide application prospect.

The invention provides an intelligent thermal radiation regulation and control superstructure fiber and a preparation method and fabric thereof. The intelligent thermal radiation regulation and control superstructure fiber comprises high-emission core layer yarn located on the inner layer and low-emission shell layer yarn located on the outer layer. The high-emission core layer yarn comprises one or more of high-emission polymer yarn and high-emission polymer-inorganic micro-nano particle composite yarn; the low-emission shell layer yarn comprises one or more of metal filaments, metal coating yarn and conductive solution coating yarn. The super-structure fiber comprises the high-emission core layer yarn located on the inner layer and the low-emission shell layer yarn located on the outer layer, the shell layer metal yarn has interval-dependent resonance coupling absorption, the core layer yarn and the shell layer yarn have completely opposite infrared radiation characteristics, and the high-performance dynamic radiation modulation rate can be achieved.

The invention provides a process for eliminating copper powder and burrs of an enameled wire, and relates to the technical field of metal wire production. The method comprises the following steps: S1, controlling a wire rod to form an inclined conveying path by using two guide wheels, sleeving the outer side of the wire rod with a defect eliminating and collecting device, and fixing the defect eliminating and collecting device; s2, the wire is controlled to move directionally from bottom to top, and the wire penetrates through an eliminating block to remove copper powder and burrs; and S3, gas in the collecting assembly is directionally pumped into the eliminating shell through a gas flow circulating device, the interior of the eliminating shell is controlled to be in a high-pressure state, and meanwhile continuous collection of the copper powder and the burrs in the collecting assembly is achieved. The felt does not need to be replaced frequently, the continuous production efficiency of enameled wires is improved, copper powder and burrs can be prevented from overflowing to the maximum extent, and efficient and sufficient collection of the copper powder and the burrs is achieved.

The invention relates to a reinforcing element (50) comprising a plurality of strands (T) arranged in a single-layer arrangement with each strand (T) consisting of: - a core consisting of a textile filament element (36); and - a layer comprising at least two metal filament elements (38) helically wound around the core; wherein the diameter Df of each metal filament element (38) ranges from 0.04 to 0.10 mm.

The utility model introduces a kind of metal wire material constant temperature drying equipment, including support platform, heat preservation component and heating component;Heat preservation component includes box, heat-permeable plate and upper cover;Box is set on support platform along support platform length direction, heating component is set in the gap between heat-permeable plate and box bottom plate.This utility model's structure is simple, can realize multi-zone temperature control, and temperature control precision reaches ±1;Adopt heat preservation cotton to lay bottom and upper cover, and heat preservation performance is good;Adopt porous heat-permeable, and make the heat inside space evenly radiate wire through waist type hole, guarantee drying effect;Temperature is regulated by PID, and each zone temperature gradient is adjusted, and temperature control can be better adjusted, and energy consumption is saved.

The utility model discloses a multilayer structure ceramic water-resistant oil-resistant abrasive belt which comprises an abrasive belt body, a ceramic abrasive particle layer, a strengthening layer, an adhesive layer, a stretching layer and base cloth are sequentially arranged in the abrasive belt body from top to bottom, a plurality of groups of metal wires are arranged on the surface of the base cloth in a crossed mode, and the ceramic abrasive particle layer, the strengthening layer, the adhesive layer, the stretching layer and the base cloth are arranged in a staggered mode. A primer is arranged in the ceramic abrasive particle layer, a surface adhesive is arranged on the upper portion of the primer, ceramic corundum particles are arranged in the surface adhesive, and the ceramic corundum particles slightly protrude out of the surface of the surface adhesive and are irregularly distributed. The grooves are formed in the two sides of the ceramic abrasive particle layer, the reinforcing layer, the adhesive layer, the stretching layer and the base cloth, the grooves and the sealing glue are embedded, the overall strength and durability of the abrasive belt are improved through the multi-layer structural design, and the water resistance and oil resistance of the abrasive belt are enhanced through interaction of all the layers; the sealing edge and the sealing glue effectively prevent a water-oil mixture from invading from the edge of the abrasive belt, so that the service life of the abrasive belt is prolonged.

Multicomponent fibers with a piezoelectric effect, including an electroactive fluoropolymer shell which adheres to a metal core. Also, a solvent-based fluoropolymer formulation which makes it possible to obtain optimum adhesion to a bare, electrically conductive metal filament. Also, a process for manufacturing these composite fibers, and also their uses in varied sectors of technical textiles, filtration and in electronics.

The utility model discloses a combined type anti-splashing evaporation boat component which comprises a ceramic crucible and an evaporation boat, an evaporation groove is formed in the surface of the evaporation boat, the ceramic crucible is placed in the middle of the evaporation groove of the evaporation boat, a molten pool is arranged in the middle of the ceramic crucible, and flow guide openings are formed in the two sides of the molten pool respectively. According to the utility model, the ceramic crucible and the evaporation boat are additionally arranged, so that the temperature difference exists between the ceramic crucible and the evaporation boat, and the metal wires are converted from solid state to liquid state to gas state in a stepped manner and are transited stably, so that the splashing phenomenon is effectively inhibited, the film coating is more uniform, the film forming quality can be guaranteed, and the ceramic crucible and the evaporation boat are mutually independent, low in manufacturing difficulty and capable of being replaced independently; the mode of the assembly can protect a wire feeding area of the evaporation boat, prevent the wire feeding area from being corroded by molten metal liquid and influence the use and endurance life of the evaporation boat, the molten pool is arranged in the middle of the ceramic crucible, prevent the metal liquid from overflowing, prevent all the metal liquid from flowing into the evaporation tank from diversion ports on two sides, and improve the material utilization rate.

The utility model relates to the technical field of metal softening annealing furnaces, in particular to a traction roller structure in a tinned metal wire annealing furnace, which comprises an annealing furnace main body, a support frame is fixedly connected to one side of the annealing furnace main body, a traction mechanism is rotatably connected to the top end of the support frame, and the traction mechanism comprises a water pipe. The water pipe is fixedly installed at one end of the supporting frame and penetrates into the supporting frame, and one end of the supporting frame is rotationally connected with a driving mechanism, located between the traction mechanisms and penetrates into the supporting frame. According to the utility model, through the mutual matching between the internal parts of the traction mechanism and the internal parts of the driving mechanism, the metal wire can be pulled and moved out from the inside of the annealing furnace main body and is cooled at the same time, so that the cooling speed of the metal wire is improved, and the metal wire can be conveniently cooled after being moved out from the inside of the annealing furnace main body. Therefore, the spraying efficiency of the special coating on the surface of the metal wire is improved.

A clamp for coupling wire panelling to a fence post, comprising a bracket 10 with a plate 12 (Figure 1) that may be formed of sheet metal or alloy, may be galvanized, and that’s folded on at least one