34results about How to "Prevent surface oxidation" patented technology

The invention relates to the technical field of petroleum and natural gas development, and discloses a double-sheath mineral insulated heating cable and a preparation method and application thereof. The double-sheath mineral insulation heating cable sequentially comprises a core body, an insulation heat conduction layer, an inner sheath layer and an outer sheath layer from inside to outside. Wherein the yield strength of the inner sheath layer is greater than or equal to 205 MPa, the tensile strength is greater than or equal to 520 MPa, the ductility is greater than or equal to 35%, and the hardness is less than or equal to 32 HRC; the yield strength of the outer sheath layer is greater than or equal to 205 MPa, the tensile strength is greater than or equal to 520 MPa, the elongation is greater than or equal to 35%, and the hardness is less than or equal to 32 HRC; the thickness of the outer sheath layer is 30%-50% smaller than that of the inner sheath layer, the heat conductivity of the inner sheath layer is not larger than that of the outer sheath layer, and the heat conductivity of the inner sheath layer is not smaller than that of the insulating heat conduction layer. The double-sheath mineral insulation heating cable can be suitable for being applied to deep wells and ultra-deep wells of H2S, CO2 and Cl <->, the use temperature is 350-750 DEG C, and the service life is more than 3 years.

The invention relates to a GH5605 cobalt-based high-temperature alloy and a manufacturing method thereof, and belongs to the technical field of metal smelting. The GH5605 alloy comprises the following chemical components: 0.05%-0.15% of C, less than or equal to 1.0% of Si, 1.0%-2.0% of Mn, less than or equal to 0.03% of S, less than or equal to 0.03% of P, 19.0%-21.0% of Cr, 9.0%-11.0% of Ni, 14.0%-16.0% of W, less than or equal to 3.0% of Fe and the balance of Co and other inevitable impurities. According to the manufacturing method, the GH5605 electrode bar is smelted through a vacuum induction furnace, refining and argon protection processes are adopted, and it is ensured that the Mn element content of the electrode bar is qualified. And in the vacuum consumable remelting process, argon with the pressure of 2000-3000 Pa is filled, so that the vacuum degree is reduced, Mn element volatilization is effectively inhibited, and section component uniformity is achieved. Detection shows that the Mn content at the edge, the 1 / 2 radius and the central part of the steel ingot meets the technical standard. The process is simple and efficient, the quality of molten steel is not affected, the performance consistency and production stability of the GH5605 steel ingot are remarkably improved, and the process is suitable for the high-end application field.

The invention discloses a current transformer amorphous alloy assembling method, and relates to the technical field of transformer assembling. The method comprises the steps that amorphous alloy is rolled to obtain an amorphous alloy iron core; performing vacuum thermal radiation heat treatment annealing on the amorphous alloy iron core to improve the performance of the amorphous alloy iron core; and the annealed amorphous alloy iron core is assembled in an alloy steel protective shell, the end face is covered with a hard insulating plate, and the performance of the amorphous alloy iron core is reinforced and stabilized. Corresponding parameters of a temperature rise process and a heat preservation process involved in the heat treatment annealing step are set by a computer for controlling the heat treatment furnace, a backing furnace is set to be automatically completed, and the method is short in period and high in production efficiency. According to the assembly mode without a mold, the production efficiency is greatly improved, and the production cost is saved.

The invention belongs to the technical field of hydrometallurgy, and particularly discloses a method for automatically producing an electrodeposition cobalt plate starting sheet. The method comprises the following steps of: scalding a starting sheet, automatically stripping the starting sheet from a titanium starting sheet, and heating, annealing and cooling under a temperature curve set by a process through a continuous belt type annealing furnace. After annealing, the starting sheet is flattened, and the flattened starting sheet is subjected to automatic edge shearing, embossing and lug shearing. The starting sheets and the lifting lugs are automatically conveyed to the lug welding process through the transmission device, and the welded starting sheets are automatically arranged. At present, due to the problems of large internal stress, high hardness, poor toughness and the like in the processing technology of the starting sheet of electro-deposited cobalt, semi-manual and semi-mechanized production is basically adopted. The whole technological process is short, the automation degree of equipment is high, the machining efficiency and the product quality of the cobalt starting sheet can be greatly improved, the flat plate technology in the traditional cobalt electrodeposition production process is omitted, the production efficiency is improved, and the labor intensity of workers is greatly reduced.

The invention relates to the field of energetic materials, in particular to a preparation method and application of core-shell structure nano-copper coated micron aluminum. Copper ions are reduced into nano-copper by utilizing the reducibility of aluminum, and the nano-copper is uniformly deposited and coated on the surface of micron aluminum powder, so that composite particles with core-shell structures are prepared. A reducing agent, a complexing agent, a protective agent and a surfactant do not need to be added in the whole process, introduction of non-propellant components is avoided, efficient and low-cost preparation is achieved, and aftertreatment operation is simpler. According to the prepared composite particles, the content of active aluminum is increased, the combustion performance and the oxidation heat release amount of aluminum are enhanced, the oxidation resistance and the catalytic capacity of the composite particles are improved, and the composite particles have good compatibility with other components of the propellant.

The invention discloses a flange machining device, and relates to the technical field of flange machining, the flange machining device comprises a machining mechanism, the interior of the machining mechanism is fixedly connected with a clamping mechanism, the top of the machining mechanism is fixedly connected with a dust removal mechanism, and the right side of the clamping mechanism is fixedly connected with an oil immersion mechanism; the machining mechanism comprises a supporting frame and a first air cylinder, and the bottom of an inner cavity of the supporting frame is fixedly connected with the bottom of the first air cylinder. A flange is placed in the inner cavity of the oil immersion bin, then the electric telescopic rod is started, the oil immersion bin drives the flange to move downwards into anti-rust oil in the oil storage bin, a layer of anti-rust oil adheres to the surface of the flange, surface oxidation of the flange in the storage process due to direct contact with air is avoided, and use is more convenient; the problems that after a flange is machined, the flange needs to be stored, the surface of the flange is oxidized under the action of moisture in air when the flange is directly put in storage, the surface of the flange is rusted, and certain use inconvenience exists are solved.

This invention provides a protective thermal processing device and method for reusing waste heat from metal powder materials. The device includes a plasma reactor, where the reactor body is connected to a gas-solid separation device via a cooling channel. A carrier gas channel is connected to the side wall of the cooling channel. The gas-solid separation device is connected to an isolation operation box via a product conveying channel, and a thermal processing component is installed inside the isolation operation box. The inner surface roughness of the cooling channel, the gas-solid separation device, and the product conveying channel is all no greater than 0.1 μm. This invention also provides a method for using the device to perform protective thermal processing of metal powder materials using waste heat. This invention has a simple structure and is easy to operate, requiring no manual intervention in material transfer. By combining the plasma reactor and the thermal processing component, it achieves integrated protective powder preparation and thermal processing of metal materials, improving the production efficiency and quality of metal products and saving production costs.

This utility model discloses an influenza virus detection structure, including a shell, a sample pad, a conjugate pad, a nitrocellulose membrane, and gold-platinum nanoparticles. Nanoparticles are adsorbed onto the conjugate pad via electrostatic interaction. The gold-platinum nanoparticles are immobilized on the surface of the nanoparticles using a thiolized antibody. A pore size gradient transition layer is provided between the sample pad and the nitrocellulose membrane. The conjugate pad is surface-modified with low-density silane to encapsulate the gold-platinum nanoparticles. In this influenza virus detection structure, the gold-platinum nanoparticles are immobilized on the surface of the nanoparticles using a thiolized antibody. A hydrophobic band divides the conjugate pad into a fourth, third, second, and first conjugate pad. Different proportions of gold-platinum nanoparticles are set in the four regions to distinguish different influenza viruses. Furthermore, the gold-platinum nanoparticles provide high sensitivity, facilitating the detection of samples with low viral loads.

The invention discloses a continuous purification device for high-purity indium, and relates to the technical field of high-purity indium processing. The device comprises a purification furnace, a feeding assembly is arranged on one side of the purification furnace and comprises a feeding box fixedly connected to one side of the purification furnace, first hydraulic cylinders are fixedly connected to the front end and the rear end of one side of the top of the feeding box correspondingly, and output shafts of the first hydraulic cylinders extend into the feeding box and are fixedly connected with a lifting plate; and extrusion rollers are rotationally connected to the two sides of the lower surface of the lifting plate and located at a feeding opening of the feeding box, a plurality of feeding rollers are rotationally connected to the lower portion of the interior of the feeding box at equal intervals, and an auxiliary heating assembly is arranged below the purification furnace. Indium raw materials are extruded and heated through the feeding box, the extrusion roller, the feeding roller and the air inlet pipe, the problem that the indium raw materials are inconvenient to heat and melt in the prior art is solved, the molten indium raw materials are uniformly heated through the steam box, the steam pipe, the baffle and the flow guide plate, and the problem that the existing vacuum distillation speed is low is solved.

The utility model relates to the technical field of central air conditioners, and discloses an energy-saving device of a chilled water circulating device of a central air conditioner, which comprises a cooling tower main body, a water inlet pipe fixed at the top of the cooling tower main body, and a heat dissipation energy-saving structure mounted in the cooling tower main body and used for realizing the purpose of energy conservation, the heat dissipation energy-saving structure comprises a flow dividing assembly and a heat dissipation assembly, wherein the flow dividing assembly is installed in the cooling tower body and used for dividing high-temperature waste water, and the heat dissipation assembly is installed in the cooling tower body and used for enabling the high-temperature waste water to discharge more heat. According to the energy-saving device of the chilled water circulating device of the central air conditioner, the situation that the expected heat dissipation effect on high-temperature waste water generated by the central air conditioner cannot be achieved due to the conditions of gear surface oxidation or surface rusting and the like in a high-temperature and high-humidity environment is effectively avoided, it is ensured that the heat dissipation with the expected effect can be conducted on the high-temperature waste water generated by the central air conditioner, and the service life of the central air conditioner is prolonged. And the practicability of the energy-saving device of the chilled water circulating device of the central air conditioner is improved.

The invention discloses a glass mold punch device which comprises a base, a through hole is formed in the base, a punch is arranged in the through hole, the punch is slidably connected with the base, the glass mold punch device further comprises an air blowing mechanism, the air blowing mechanism is arranged on the through hole, the air blowing mechanism blows out inert gas, and the inert gas can cover the punch. The air blowing mechanism is arranged above the punch, the inert gas is blown out through the air blowing mechanism, the punch is covered with the inert gas, a layer of gas hood is formed on the punch through the inert gas, the punch is isolated from air, and therefore the surface of the punch is effectively prevented from being oxidized, the service life of the punch is prolonged, and the service life of the punch is prolonged. The service life of the punch is prolonged; and the production quality of glass is improved.

The invention discloses an interstitial oxygen content detection method for a heavily-doped silicon single crystal, which comprises the following steps: carrying out heat treatment at a target temperature on a heavily-doped silicon single crystal to be detected and a reference sample in an inert gas atmosphere, interstitial oxygen in the heavily doped silicon single crystal to be detected is converted into oxygen precipitation; respectively carrying out infrared spectrum measurement on the to-be-measured heavily-doped silicon single crystal and the reference sample which are subjected to heat treatment to obtain first infrared spectrum data of the heavily-doped silicon single crystal and second infrared spectrum data of the reference sample; performing differential processing on the first infrared spectrum data and the second infrared spectrum data; and determining the interstitial oxygen content corresponding to the characteristic absorption peak intensity from a preset standard model. Therefore, the measurement accuracy of the interstitial oxygen content is improved.

The invention discloses a preparation method of anti-shrinkage carbon fiber reinforced plastic, and relates to the technical field of plastic. The ultra-high molecular weight polyethylene and the polypropylene are interpenetrated and entangled to form a microscopic interlaced network, so that the matrix achieves anti-shrinkage and anti-creep effects, in the blending process, two molecular chains tend to be directionally arranged under the action of a tensile flow field, and therefore the matrix is enhanced, and as the action time of the force field is prolonged, the anti-shrinkage and anti-creep effects are achieved. The nano silicon dioxide is used for filling, so that the base body realizes an anti-oxidation effect and an anti-shrinkage effect is enhanced; the preparation method comprises the following steps: firstly, preparing nano silicon dioxide, reinforcing creep resistance and shrinkage resistance of a matrix by using a carbon fiber net, then activating carbon fibers by irradiation, carrying out a bonding reaction with the nano silicon dioxide, coating a polymer, and carrying out irradiation and cross-linking on the polymer again, so that the matrix forms a denser structure, and finally, carrying out annealing treatment to reinforce cross-linking and improve the shrinkage resistance, creep resistance and oxidation resistance effects.

The invention belongs to the technical field of heat treatment of stainless steel pipes, in particular to a heat treatment process of austenitic stainless steel pipes, S1, preheating the stainless steel pipe to 850°C to 1050°C within the phase change temperature range; S2, performing phase change induced plastic heat treatment, inducing austenite to transform into martensite by controlling the cooling rate at 20°C / s to 50°C / s, while maintaining a certain proportion of residual austenite; S3, using ultrasonic auxiliary heating with a frequency of 20kHz to 1MHz, and an ultrasonic power density of 0.1W / cm 2 ~1W / cm 2 ; S4. High-frequency induction heating is adopted with a frequency range of 20kHz to 500kHz. The pipe is evenly heated by the induction coil. The heating rate is controlled at 100℃ / min to 500℃ / min, and the heating temperature range is 900℃ to 1100℃; S5. The heat treatment process is carried out in a controllable environment, and the gas flow rate is adjusted at 5L / min to 50L / min; S6. An infrared temperature sensor is configured based on the Internet of Things, and the heating and insulation parameters are monitored in real time and dynamically adjusted through the big data analysis module.

The invention discloses a device for eliminating effect force during vibration of an electrolytic copper foil workpiece, which relates to the technical field of metal material processing and treatment and comprises a placing frame for supporting an electrolytic copper foil coiled material, and further comprises a base, the central bearing is located at the central position of the electrolytic copper foil coiled material and plays a role in rolling, and the electrolytic copper foil coiled material is placed on the placing frame through the central bearing; the uniform excitation mechanism is mounted at the end part of the central bearing through a special clamp, and excitation forces at different positions can be automatically adjusted through the uniform excitation mechanism according to the size of the copper foil coiled material, so that the situation that stress cannot be effectively eliminated due to unbalance of the excitation forces is avoided; and the vibration exciter is connected with the uniform vibration excitation mechanism, and vibration force is provided through the vibration exciter, so that stress elimination of the electrolytic copper foil coiled material is completed through the vibration force.

The application provides a silver-plated dot design method, a design system, a lead frame and a semiconductor package, and relates to the technical field of semiconductor packaging. The volume of a soldering end cap is obtained, the shape of a silver-plated dot cross section is set, the size parameters of the silver-plated dot cross section are calculated according to a preset soldering thickness, the cross section size of the silver-plated dot can be reasonably designed, the surface of the lead frame in the soldering area is prevented from being oxidized, the soldering spreading area is prevented from being too large, the soldering thickness is prevented from being too low, the tensile strength of the soldering point position is ensured, the packaging soldering yield is improved, and the reliability of the product is improved.

The invention provides a method for preparing ultra-pure nano copper powder through organic copper salt reduction, and relates to the technical field of ultra-pure nano copper preparation. According to the method, supercritical carbon dioxide is used as a solvent, high-purity organic copper salt is used as a precursor, a morphology control agent without other metal ions is added, meanwhile, a water removal agent is added, and the ultra-pure nano copper powder with the diameter smaller than 100 nm can be prepared through gas reduction. The obtained ultra-pure nano copper powder is high in purity, the metal matrix purity can reach 99.997% or above, the sphericity degree is good, and the size is uniform; the method is green and environment-friendly, and the solvent is clean without residues.

The application discloses a double-cavity device and a growth method for solar cell epitaxial wafer growth, which comprises a first reaction cavity, a second reaction cavity, a sample moving cavity, a sample conveying assembly, an exhaust assembly and a heating assembly. The upper ends of the two reaction cavities are provided with air inlet assemblies, the sample moving cavity is communicated with the two reaction cavities, the sample conveying assembly realizes rapid sample transfer, the heating assembly independently controls temperature, and the exhaust assembly leads out tail gas. The growth method comprises steps of cavity purification, temperature stabilization, establishment of bistable growth conditions, alternating growth of multilayer epitaxial layers and the like. The application adopts a double-cavity independent stable HVPE structure, realizes rapid sample transfer without exposure and pollution, obtains an atomic-level steep interface and a precise controllable doping distribution, is suitable for III-V semiconductor material epitaxial wafer growth, and is especially suitable for space high-efficiency solar cell epitaxial wafer manufacturing.

The invention relates to the technical field of mold processing, in particular to a mold processing machine which comprises an outer frame, multiple sets of supporting columns are fixedly installed at the bottom end of the outer frame, a sealing cover is movably installed at an opening in the top end of the outer frame, the mold processing machine further comprises a feeding pipe, the feeding pipe is fixedly installed at the top end of the sealing cover, and the bottom end of the feeding pipe penetrates through the sealing cover. The feeding pipe is arranged in the outer frame and communicated with the interior of the outer frame, the feeding pipe is used for adding a nitrogen-containing and carbon-containing salt mixture containing silicon carbide particles into the outer frame, and the heating mechanism is arranged in the outer frame and used for heating the interior of the outer frame. According to the surface nitriding device, the to-be-machined mold can be subjected to grinding and heat treatment at the same time, surface nitriding operation can be immediately conducted on the to-be-machined mold after the grinding and heat treatment operation is completed, and the three operations can supplement one another and promote one another while the three operations are conducted; therefore, the efficiency and the quality of mold processing are greatly improved.

The invention provides a layered oxide material with a nanometer woven net interface structure and a preparation method and application thereof, and belongs to the field of electrode materials, a dilute acid solution is used as a reaction medium, and a spray pyrolysis mode is combined to enable dilute acid to fully react with a residual alkali compound on the surface of layered oxide, so that the layered oxide material is obtained. And synchronously converting into a uniform nano woven net interface structure in situ. A uniform nano interface structure can be prepared, belongs to a flexible film structure and has a relatively strong bonding effect, and the interface structure can persistently and stably exist in a charging and discharging process, so that the structural strain is reduced; the nano woven net interface structure has a relatively large specific surface area, so that the contact area and the liquid retention amount of the layered oxide material and an electrolyte are increased, and the diffusion of Li < + > and the migration of electrons are accelerated; the uniform knitted net interface structure can inhibit the surface oxidation of the material and the reaction with water and carbon dioxide in the air, improve the air tolerance of the matrix material, and also can greatly inhibit the erosion effect of the electrolyte on the matrix material.

A carbon-coated metal powder having metal particles and a coating layer containing carbon that covers at least a portion of the surface of the metal particles, the metal particles containing (1) tin, copper, or silver and inevitable impurities or (2) an alloy of tin, copper, or silver in which the content of tin, copper, or silver is 50% by mass or more, respectively, and inevitable impurities, the carbon-coated metal powder having an average particle diameter calculated from the specific surface area according to BET of 150 nm or less.

The present invention discloses a multi-walled carbon nanotube-supported high-entropy alloy catalyst, its preparation method and application. The high-entropy alloy catalyst consists of a multi-walled carbon nanotube support and high-entropy alloy nanoparticles supported on the surface of the multi-walled carbon nanotube support. The high-entropy alloy nanoparticles are composed of five metal elements, namely Fe, Co, Ni, Pt, and In, to form a thermodynamically stable FeCoNiPtIn high-entropy alloy solid solution phase. The high-entropy alloy nanoparticles are anchored on the surface of the support through chemical bonding and have a delocalized electron structure formed by d-p / d-d / sp hybridization. The catalyst prepared according to the method of the present invention exhibits excellent activity and durability in the hydrogen evolution reaction, can achieve long-term stable operation, and provides a reliable and efficient preparation technology solution with excellent performance for the large-scale industrial promotion of the electrolytic water hydrogen evolution reaction.

The application belongs to the technical field of metal substrates for high-thermal-conductivity, high-power power supply and automobile lamps, and discloses a thermoelectric separation metal substrate with a binary metal heat-conducting protrusion structure and a manufacturing method. The manufacturing method comprises the following steps: binary metal heat-conducting protrusion processing, including: laying an aluminum base, developing, exposing, and etching an aluminum-copper base protrusion; copper plating on the aluminum-copper base protrusion to obtain a binary metal heat-conducting protrusion; composite epoxy glass cloth organic substrate and heat-conducting adhesive prepreg processing and pressing; outer layer processing, forming, and testing. The binary metal (aluminum and copper) structure is designed and manufactured, the cost of the thermoelectric separation metal substrate material is reduced, the product weight is reduced, thermal expansion is reduced, and product surface oxidation is prevented.

The application discloses a lead-free composite solder and a preparation method thereof. The lead-free composite solder comprises an alloy core and a surface modification layer, and the surface modification layer is coated on the surface of the alloy core. According to mass percentage, the alloy core comprises Ag 0.3%-4.5%, Cu 0.2%-0.8%, Bi 0.5%-3.0%, Sb 0.01%-3.2%, Ni 0.01%-0.2%, Ga 0.005%-0.15%, Ce 0.005%-0.08%, and the rest is Sn. The surface modification layer comprises tin dialkyldithiophosphate and cerium alkylsalicylate. The bimetallic chelate type surface modification layer formed by tin dialkyldithiophosphate and cerium alkylsalicylate is adopted, the interface bonding strength is further strengthened, the solder surface oxidation is effectively inhibited, and the storage stability and environmental adaptability of the solder are improved. The alloy core is prepared through the synergistic matching of multiple components, the excessive growth of interface intermetallic compounds and the grain coarsening are inhibited, and the thermal fatigue resistance and long-term service reliability of the solder joint are improved.

The invention discloses a firmly-welded patch common-mode inductor with a terminal on the side face and a preparation process thereof, and belongs to the technical field of patch common-mode inductor preparation, and the preparation process comprises the following steps: S1, selecting a bare magnetic core with the initial magnetic conductivity of nickel-zinc ferrite being 10-2000 uiac and the initial magnetic conductivity of manganese-zinc ferrite being greater than 2000 uiac, and cleaning and drying the bare magnetic core; s2, high-temperature-resistant high-strength epoxy resin glue is used for pasting the Clip on the magnetic core, the curing temperature is 150 DEG C, the curing time is 90 min, and the position precision of the Clip is guaranteed through a positioning tool; and S3, the magnetic core pasted with the Clip is subjected to Ni / Sn electroplating treatment, and the electroplating thickness is that Ni is 2-4 [mu] m, and Sn is 7.0 [mu] m min. In the welding optimization link, reflow soldering furnace tin soldering operation is adopted, the solder paste component proportion and the welding temperature curve are accurately controlled, the stability of a product is greatly improved, and the service life of the product is greatly prolonged.

The invention relates to a deep cooling rolling method of an aluminum-zinc-magnesium-copper alloy, belongs to the technical field of metal material rolling, and solves the problems that a finished product obtained by an existing aluminum-zinc-magnesium-copper alloy preparation method is easy to generate stress concentration, so that cracks are formed at the edge of a material, and material grains are coarse. The deep cooling rolling method of the aluminum-zinc-magnesium-copper alloy comprises the following steps that S1, a deposition blank is prepared; s2, preparing an alloy material plate; s3, carrying out solution treatment; s4, cryogenic heat preservation is conducted; s5, deep cooling rolling is conducted; and S6, natural aging is conducted. The aluminum-zinc-magnesium-copper alloy obtained through the deep cooling rolling method of the aluminum-zinc-magnesium-copper alloy is free of cracks under the large deformation amount, crystal grains are fine to the nanoscale, and the labor cost and the energy consumption cost are saved.

This invention provides a PTC thermistor testing device for thermistor testing, belonging to the field of PTC thermistor testing technology. It includes a test base, a running structure, a testing structure, and a control module. The running structure uses a chain conveyor belt to drive multiple sets of feeding plates and test seats to rotate intermittently. The feeding plates can automatically open and close by gravity according to the workstation position, sequentially completing the feeding at the receiving position, clamping of the workpiece at the clamping position, and then transferring it to the testing position. The testing structure includes liftable conductive columns and testing fixtures. A sliding block switches the connection object of the test seat. After receiving the test seat, it descends and is immersed in a constant-temperature silicone oil bath to conduct the test circuit. This achieves mechanical connection before electrical connection and electrical disconnection before mechanical separation, avoiding live plugging and unplugging at the contact ends, reducing electrolytic wear, and enabling fully automated operation, improving testing stability and batch testing efficiency.

The invention belongs to the technical field of machining equipment, and relates to a mechanical watch part heat treatment conveying frame which comprises a part supporting box, an extension pipe, a vertical pipe, a supporting plate, a conveying assembly and a lifting assembly. And the horizontal moving assembly is used for driving the supporting plate to move horizontally, so that the mechanical watch parts move orderly in the cooling medium, and the mechanical watch parts are cooled more uniformly. According to the mechanical watch part cooling device, mechanical watch parts can be in protective gas in the whole conveying process after being heated, the mechanical watch parts are sequentially placed into a cooling medium through the lifting assembly, then the mechanical watch parts are driven by the horizontal moving assembly to sequentially move in the cooling medium, the mechanical watch parts are cooled more uniformly, and the cooling efficiency is improved. Therefore, on one hand, surface oxidation of the mechanical watch parts is avoided, on the other hand, part bending caused by non-uniform cooling of part of the mechanical watch parts is avoided, the yield of the mechanical watch parts is improved, and the production cost of the mechanical watch is reduced.

The present invention provides a method for continuously preparing titanium and titanium alloy wire materials with a short process, which relates to the technical field of preparing titanium and titanium alloy wire materials. The preparation method includes powder preparation, slurry preparation, wire blank forming, wire blank drying, wire blank coating, degreasing sintering, cold drawing and post-treatment carried out in sequence. Among them, the titanium and titanium alloy extrusion slurry is poured into the slurry tank of a screw extruder, and an ultraviolet light source or a heat source is equipped at the die opening of the screw extruder. The slurry is extruded through the die opening and in-situ solidified into a wire blank under the action of the light source or the heat source. By matching continuous production equipment with the technological processes of screw extrusion molding, degreasing sintering and cold drawing, the present invention avoids the high-temperature melting process of the traditional casting-drawing process and the complex processes of multi-pass hot rolling-drawing, realizes the short-process continuous and controllable preparation of titanium and titanium alloy wire materials, has high flexibility in the design of its composition and diameter, strong stability, wide applicability, low cost and excellent performance, and is very suitable for large-scale industrial production.

The utility model provides a bird's nest product online filling auxiliary device and system.The bird's nest product online filling auxiliary device comprises a supporting piece, a pushing and pressing assembly and a cleaning assembly, the pushing and pressing assembly and the cleaning assembly are arranged on the supporting piece, the supporting piece is arranged on a conveying device of a filling device, and the pushing and pressing assembly and the cleaning assembly are sequentially arranged in the conveying direction of the conveying device; the pushing and pressing assembly comprises a first driving part and one or more pushing and pressing parts, the first driving part is arranged on the supporting part, and the pushing and pressing parts are configured to be driven by the first driving part so as to stretch into and be away from a container opening of a material filling container on the conveying device; the cleaning assembly comprises a second driving part and one or more cleaning parts, the second driving part is arranged on the supporting part, and the cleaning parts are configured to be driven by the second driving part so as to make contact with and be away from the container opening of the filling container. The device is high in automation degree, so that the quality of produced products is stable, meanwhile, the sealing performance of the produced products is improved, and the yield of the produced products is further improved.