51 results about "Titanium coating" patented technology

The utility model discloses a diving fabric implanted with patterns. The diving fabric comprises a foamed chloroprene rubber sponge sheet, a graphene coating, a patch, a floral pattern layer and a titanium coating. The foamed chloroprene rubber sponge sheet subjected to compression treatment is used as a base material, the compressed sponge sheet is higher in apparent density, the internal hash molecular structure of the sponge sheet is tighter, the surface of the sponge sheet is smoother, printing materials such as printing ink can better permeate into the surface layer of the sponge sheet, and patterns and the sponge sheet are fused together; a layer of textile fabric does not need to be added between the floral patterns and the sponge sheet, the floral patterns can be better presented while environmental protection is achieved, and the service life of the floral patterns is prolonged. In addition, the titanium coating enables the floral patterns to be better in oxidation resistance and friction resistance, the floral patterns printed on the sponge sheet can be better protected, the corrosion resistance and abrasion resistance of the floral patterns in a seawater environment are improved, the service life of the floral patterns is prolonged, and the attractiveness of the floral patterns is improved.

The invention discloses a 420MPa-grade steel strip for a high-corrosion-resistance photovoltaic support based on Ti microalloying and low-aluminum high-magnesium coating synergistic reinforcement and a preparation method of the 420MPa-grade steel strip, and relates to the technical field of metal materials. Aiming at the requirements of a distributed photovoltaic bracket, a microalloy component taking a Ti element as a core is designed, and the microalloy component is matched with a low-aluminum high-magnesium micro-titanium coating system to prepare the 420MPa-grade steel belt for the high-corrosion-resistance photovoltaic bracket, which is based on Ti microalloying and low-aluminum high-magnesium coating synergistic reinforcement and has balanced performance and good corrosion resistance. And meanwhile, controlled rolling and controlled cooling and low-temperature annealing are adopted in the preparation process, so that the problem of poor formability of traditional steel is solved, energy consumption is reduced by utilizing a low-temperature rapid plating process, and the production efficiency is improved. While the alloy cost is reduced, balanced optimization of strength-corrosion resistance-forming-welding performance is achieved, and low cost and greenization of a photovoltaic support material are promoted.

The utility model relates to the field of medicament preparation, and discloses a reaction kettle for preparing a medicament for removing a titanium-containing coating, the reaction kettle comprises a preparation reaction kettle, a feeding pipe is fixedly mounted on the top surface of the preparation reaction kettle, a stirring mechanism is arranged in the preparation reaction kettle, and a circular pipeline is fixedly mounted in the preparation reaction kettle. A plurality of inclined mounting pipes are mounted on the outer surface, close to the bottom, of the circular pipeline at equal intervals in an array mode, and first cleaning nozzles are fixedly mounted on the outer surfaces of the inclined mounting pipes correspondingly, the mounting mode of the inclined mounting pipes of the device enables the first cleaning nozzles to be close to the inner wall of the preparation reaction kettle, and the second cleaning nozzles can be close to a stirring shaft; besides, the first cleaning nozzle and the second cleaning nozzle are mounted at a certain angle, so that cleaning liquid can be in better contact with the inner wall of the preparation reaction kettle and the stirring shaft when sprayed out, effective cleaning is realized, adhesion of chemicals is avoided due to the design, the service life of the reaction kettle is prolonged, and the preparation efficiency is improved.

According to a first aspect of the present invention there is provided a method of coating a bipolar plate, comprising the steps of: providing a bipolar plate wherein at least an outer layer of the bipolar plate comprises metallic titanium; and performing laser nitridation on the bipolar plate so as to form a titanium nitride coating on the outer surface of the bipolar plate. The inventors have found that laser nitridation of a titanium bipolar plate results in a bipolar plate having a high stability TiN coating which has good conformality, chemical stability and / or high conductivity. Furthermore, the formation of the TiN coating by laser nitriding can be well integrated into a manufacturing process of a bipolar plate, such as a roll-to-plate process including a laser welding step, compared to a deposition method known in the prior art, and has the advantages of high efficiency and simplification. The TiN coating on the bipolar plate can be directly used for an electrochemical reactor or can be used as a substrate of a subsequent coating.

The present invention provides a metal-doped titanium carbide composite material, its preparation method, and application, belonging to the field of electrode material technology. The present invention utilizes physical vapor deposition of a carrier material to form a single-layer carbon-containing titanium coating; electrochemical oxidation and plasma etching are then sequentially performed, and finally, electrodeposition is performed in an electrolyte containing a metal salt to obtain the metal-doped titanium carbide composite material. The metal-doped titanium carbide composite material prepared by the present invention effectively solves the problem of poor selectivity and activity of the two-electron oxygen reduction reaction in impure water conditions.

The application discloses a preparation method of titanium-coated diamond, and belongs to the technical field of diamond surface metallization treatment. The titanium powder is uniformly attached to the surface of diamond particles by means of an organic binder, and titanium-coated diamond with a titanium coating layer is obtained through subsequent heat treatment. First, a solvent, a dispersing agent and an organic binder are prepared into an organic carrier, then diamond powder and titanium powder are mixed and introduced into the organic carrier, and titanium / diamond coating slurry is obtained through high-speed stirring. Then, pre-prepared titanium-coated diamond is obtained through wet film casting, film drying, stripping, grinding and screening, and further sintering at 600-800 DEG C for 1 h to obtain titanium-coated diamond products. The particles obtained by the method are uniformly coated as a whole, the coating layer is complete, and the weight gain can be controlled within 30%-60%. The process flow is simple, the repeatability is good, and the method is suitable for batch preparation.

The invention relates to a method for reducing biological heart valve prosthesis calcification by adopting a titanium-containing coating in combination with ultraviolet irradiation. The invention relates to a method for treating a biological heart valve prosthesis with a titanium-containing coating, in particular a glutaraldehyde-immobilized pericardium, comprising the following steps: a) treating a biological heart valve prosthesis with a titanium-containing coating; and b) irradiating the treated biological heart valve prosthesis with light having a wavelength of 100 to 450 nm. In this way, the biological heart valve prosthesis with the uniform surface can be manufactured through the hypothesized polymer, and therefore the biological heart valve prosthesis with the uniform surface can be manufactured through the hypothesized polymer. Calcification of such a TAVI valve is significantly reduced, the life of the TAVI valve is increased, which increases the time interval at which such a TAVI valve must be replaced over the years.

The application belongs to the field of antibacterial coating, and particularly relates to an antibacterial composite coating and a preparation method and application thereof. The application first adopts an atmospheric plasma spraying technology to prepare a dense titanium coating on the surface of a metal substrate, then adopts a hydrothermal reaction method to convert the titanium coating into a barium titanate coating, and finally uses an in-situ chemical deposition technology to prepare a layer of polypyrrole on the surface of the barium titanate coating to obtain a polypyrrole-coated barium titanate nanostructure antibacterial composite coating. The antibacterial composite coating has high photocatalytic antibacterial effect, can effectively remove organic substances and bacteria, and prevent the organic substances and bacteria from adhering to the surface of equipment.

The utility model discloses an engine oil control valve sleeve with a wear-resistant coating. The engine oil control valve sleeve comprises a valve sleeve body, a valve element and a filtering assembly. A titanium nitride wear-resistant coating is arranged on the inner wall of the valve sleeve, the filter assembly comprises a filter screen sleeve embedded in the valve sleeve in a sliding mode, threaded parts of the inner walls of the two ends of the filter screen sleeve are connected with a filter screen with filter holes distributed from large to small, a blocking seat is arranged on the inner wall of the valve sleeve and abuts against the filter screen sleeve, and a valve cover is arranged at the input end of the filter screen sleeve and is in sliding fit with a sliding seat on the periphery of the valve sleeve through a positioning sliding rod. A top spring and a stop block are arranged in the positioning sliding rod to form a positioning assembly, and a pressing type unlocking assembly is arranged outside the valve sleeve. The valve cover is fixed through bolts and provided with an oil conveying pipe, and a fluororubber sealing ring is arranged between the filter screen sleeve and the blocking seat. Abrasion resistance of the valve sleeve is improved through the titanium nitride coating, efficient filtering is achieved through the grading filter screen, the modular structure facilitates replacement of the filter screen, the sealing ring and the positioning structure ensure that the vibration environment is stable, and durability, filtering efficiency and maintenance convenience of the engine oil control valve are effectively improved.

The application provides a long-acting photocatalyst coating, a manufacturing method and application thereof. The long-acting photocatalyst coating comprises a substrate, an inorganic coating arranged on the surface of the substrate, and a nano-titanium oxide coating arranged on the surface of the inorganic coating. The preparation steps comprise: arranging the inorganic coating on the surface of the substrate; arranging the nano-titanium oxide coating on the surface of the inorganic coating when the inorganic coating is in a wet state; the nano-titanium oxide coating is a water or alcohol dispersion of nano-titanium oxide; the nano-titanium oxide coating is fused with the inorganic coating, dried, and the long-acting photocatalyst coating is obtained. The technical problem to be solved by the application is how to uniformly disperse nano-titanium oxide particles on the surface of an object, so that the long-acting photocatalyst coating has photocatalyst function and is durable and not easy to fall off, thereby being more suitable for practical use.

The utility model provides a spinning crochet hook low-temperature titanium nitride coating spraying jig, and relates to the technical field of spraying jigs, the spinning crochet hook low-temperature titanium nitride coating spraying jig comprises a working table, the working table is placed on the ground to support the whole, a shell is installed on the upper surface of the working table, a placing barrel is installed on the top of the shell, and the placing barrel is connected with the working table. The bottom of the containing barrel is provided with a spray head through a control valve, the spray head is located in the shell, the refrigeration equipment is installed in the shell and can reduce the temperature in the shell, the moving table is slidably connected to the upper surface of the workbench, and a limiting device is installed at the top of the moving table. Wherein the limiting device can limit the spinning crochet hook, the limiting device comprises a motor, the effect of fixing the spinning crochet hook is achieved through the limiting device, and the situation that normal spraying of the spinning crochet hook is affected due to the fact that the spinning crochet hook shakes when the spinning crochet hook rotates for spraying is avoided.

This invention discloses a steel-titanium composite material containing a niobium-iron interlayer and its preparation method, belonging to the field of metal protective coating technology. The steel-titanium composite material includes a steel substrate, and a niobium-iron interlayer and a titanium coating sequentially laminated on the surface of the steel substrate; the interfaces between the niobium-iron interlayer and the steel substrate surface, and between the niobium-iron interlayer and the titanium coating, are metallurgically bonded; wherein the iron content in the niobium-iron interlayer is 10-45% by mass. The preparation method involves laser cladding a niobium-iron interlayer onto a surface-treated steel substrate, removing impurities from the niobium-iron interlayer surface, and then laser cladding a titanium coating onto the niobium-iron interlayer surface. The steel-titanium composite material obtained by this invention utilizes the formation of a niobium-titanium solid solution between niobium and titanium. This niobium-titanium solid solution can inhibit the formation of Fe-Ti intermetallic compounds, and iron has good solid solubility in the niobium-titanium solid solution, effectively improving the mechanical properties of the composite material.

The invention discloses an electrode material and a preparation method thereof, the preparation method comprises: providing initial carbon matrix powder, the initial carbon matrix powder comprising initial carbon matrix particles, the initial carbon matrix particles having a porous structure; silicon embedding treatment is conducted on the initial carbon matrix powder, carbon-silicon composite powder is obtained, the carbon-silicon composite powder comprises a plurality of carbon-silicon composite particles, and the carbon-silicon composite particles comprise the initial carbon matrix particles with nanometer silicon; the carbon-silicon composite powder is subjected to titanium coating treatment, the electrode material is obtained, the electrode material comprises a plurality of electrode material particles, and each electrode material particle comprises a carbon-silicon composite particle and a TiSi2 protection shell coating the carbon-silicon composite particle. The invention also discloses an electrode, a preparation method thereof and a lithium ion battery.

The invention provides an IC soaking sheet surface micro-texture forming method and device, and relates to the field of electronic equipment manufacturing. According to the method, aluminum alloy is put into a stamping die to be subjected to stamping forming, and a workpiece with a micro-texture on one face is obtained; the workpiece is transferred to a PVD cavity, vacuumizing is conducted, inert gas is introduced, a sputtering power source is turned on, and a titanium oxide coating and a PTFE-silicon dioxide coating are sequentially sputtered and deposited on the face, with the microstructure, of the workpiece; and turning off a sputtering power supply, and blanking to obtain the IC soaking sheet. Wherein the aluminum alloy comprises the following components in percentage by weight: 2%-3% of Si, 0.2%-0.4% of Cu, 0.05%-0.1% of Ti, 0.1%-0.5% of B, 0.03%-0.08% of Sc, 0.02%-0.05% of Sr, less than 0.1% of inevitable impurities and the balance of aluminum. The prepared IC soaking sheet is good in heat conduction performance, heat transfer can be accelerated, the heat dissipation effect is enhanced, the bonding force between the sputtering functional coating and the aluminum alloy workpiece is high, and stability is good.

A positive electrode active material includes: a lithium nickel-based oxide having a Ni content of about 60 mol % to 80 mol % among total metals excluding lithium; and a coating layer containing Ti and formed on a surface of the lithium nickel-based oxide. The lithium nickel-based oxide is of a single-particle-type including 50 or fewer nodules and has a thermal stability index (TSI) of about 42.5 or less as represented by Equation 1 according to the present disclosure. In Equation 1, the TSI is represented by “HFA×MPH / (T1−150),” and HFA, MPH, and Tl are values measured from a differential scanning calorimetry (DSC) analysis graph obtained by heating a lithium secondary battery fabricated using the positive electrode active material from 25° C. to 400° C. at a heating rate of 10° C. / min.

The application discloses a kind of corrosion-resistant alloy steel van body and preparation method, belong to van body technical field, first by to van body blank is carried out normalizing, quenching, tempering treatment after obtaining van body semi-finished product, again to van body semi-finished product is sequentially using picosecond laser and nanometer laser and is etched, after anodic oxidation treatment form porous and uniform oxide layer, by laser cladding method uniform vanadium carbide, titanium carbide coating is formed on surface, the porous structure of oxide film can improve the adhesion of subsequent coating, form oxide film plus coating composite protection system, increase the corrosion resistance of corrosion-resistant alloy steel van body, prolong the service life of corrosion-resistant alloy steel van body in slurry pump.

An antibacterial implantable medical device or medical material. The surface of an implantable medical device or medical material has a titanium coating formed thereon. Titanium nitride nanowires are formed that extend from the titanium coating at a selected angle to exert a mechanical force on bacteria bilayer membranes sufficient to at least partially disrupt the bacteria bilayer membranes. In one aspect, the titanium nitride nanowires are formed from grown titanium dioxide nanowires by converting the titanium dioxide nanowires to titanium nitride in a heated nitrogen-containing environment. The titanium nitride nanowires are optionally charged to further enhance antibacterial properties.

The invention relates to a method for recycling iridium metal on the surface of an anode plate, and belongs to the technical field of precious metal recycling. According to the method, the titanium coating in the anode plate is treated in an ultrasonic assistance and stripping agent solution synergistic treatment mode, the coating of the anode plate can be efficiently and selectively stripped, and preliminary enrichment of iridium in a material is achieved; and an iridium metal trapping agent with a core-shell structure, a slag former, a stabilizer and a precursor material are mixed, refined and purified, and the high iridium recovery rate is ensured.

The invention relates to an ultrasonic response defect titanium oxide coating as well as a preparation method and application thereof. The ultrasonic response defect titanium oxide coating is an anoxic copper-doped titanium oxide coating positioned on the surface of the medical titanium substrate; wherein the oxygen-deficient copper-doped titanium oxide coating comprises a porous titanium oxide coating, copper ions and / or copper elementary substances uniformly distributed in the porous titanium oxide coating, and oxygen vacancies uniformly distributed in the porous titanium oxide coating. The titanium-based implant is subjected to surface modification, and transition metal ions and structural defects (such as Ti < 3 + > and oxygen vacancies) are introduced into the titanium oxide coating, so that the energy band structure of TiO2 can be adjusted, the sonodynamic treatment efficiency is improved, and the surface modified medical titanium metal material capable of resisting bacteria and promoting osteogenesis is obtained; the synchronous resistance to early-stage bacterial infection and the effective promotion of later-stage osseointegration are expected to be realized.

The application provides an IC heat sink surface micro-texture forming method and device, and relates to the field of electronic device manufacturing. The application puts aluminum alloy into a stamping die for stamping forming to obtain a workpiece with micro-texture on one side; the workpiece is transferred to a PVD chamber, vacuum is drawn, inert gas is introduced, a sputtering power source is turned on, and a titanium oxide coating and a PTFE-silica coating are sputter deposited on the side with micro-texture in sequence; the sputtering power source is turned off, and the workpiece is discharged, thereby obtaining an IC heat sink; wherein the aluminum alloy contains, in terms of weight percentage, Si 2%-3%, Cu 0.2%-0.4%, Ti 0.05%-0.1%, B 0.1%-0.5%, Sc 0.03%-0.08%, Sr 0.02%-0.05%, unavoidable impurities <0.1%, and the balance is aluminum. The IC heat sink prepared by the application has good heat conduction performance, can accelerate heat transfer, and enhance the heat dissipation effect, and the sputtering functional coating has high bonding strength with the aluminum alloy workpiece and good stability.

The utility model relates to the technical field of rams, and discloses a numerical control gantry machining center ram which comprises a ram body. According to the ram of the numerical control gantry machining center, through the arrangement of the reinforcing assembly and the combined design of a rectangular reinforcing rib base, first reinforcing rib plates and second reinforcing rib plates, a three-dimensional latticed supporting frame is formed in the ram, the first reinforcing rib plates are distributed along the top, the bottom and the two sides of the ram, and the section of the ram is divided into a plurality of closed cavities; the eight second reinforcing rib plates are distributed in an annular radiation mode with the reinforcing column as the center, torsion deformation caused by cutting force is effectively resisted, the torsional rigidity can be obviously improved compared with a traditional single-layer rib plate structure, fatigue fracture caused by resonance of a rigid structure can be avoided through the arrangement of the damping alloy layer, and the service life of the rigid structure is prolonged. And the arrangement of the titanium nitride coating can reduce the fretting wear of the surface of the second reinforcing rib plate, so that the ram has higher rigidity performance, and the practicability of the device is improved.

The invention discloses a high-reliability coarsened semiconductor lead frame and a preparation method thereof, and relates to the technical field of lead frames. The method comprises the specific steps that a copper sheet is taken to be sequentially subjected to oil removal, acid pickling and water washing, a pretreated copper sheet is obtained and placed in a pre-coarsening solution to be treated, after acid pickling, the copper sheet is transferred into a coarsening solution to be treated, after acid pickling is conducted again, titanium coating is coated, and annealing, corroding, cleaning and drying are conducted; transferring the dried copper sheet into a nickel plating solution for electro-deposition to obtain a nickel layer, transferring the copper sheet into a nickel-tin plating solution for electro-deposition of a nickel-tin layer, and transferring the copper sheet into a silver plating solution for electro-deposition to obtain a silver layer after the nickel-tin electro-deposition is finished, so as to obtain the high-reliability coarsened semiconductor lead frame; wherein the titanium coating is prepared from the following raw materials in parts by mass: 10 to 20 parts of tetrabutyl titanate, 50 to 60 parts of absolute ethyl alcohol, 3 to 5 parts of urea, 0.05 to 0.1 part of copper nitrate, 0.1 to 0.3 part of cerous nitrate hexahydrate and 10 to 20 parts of glacial acetic acid.

The invention discloses an oversized cylindrical sodium-ion battery structure and a safety cooperation system, and relates to the technical field of sodium-ion battery structures and safety control, the oversized cylindrical sodium-ion battery structure comprises a double-gradient self-adaptive collector plate, spokes are wide in center and narrow in edge, the spacing of the spokes is in a cooperative gradient, and a base material is an aluminum-based composite layer coated with a nano titanium coating; the four-function integrated core rod is internally provided with a flow guide channel and gradient through holes, coated with a temperature-sensitive conductive coating, filled with porous ceramic particles and provided with a pressure relief sheet; according to the positive and negative electrode-diaphragm bidirectional adaptive structure, diaphragm pores are distributed in a gradient manner, composite coatings are arranged on the two sides, and hot sealing glue is coated on the edges; the invention discloses a graded pressure relief-fire extinguishing cooperative safety system. According to the electrolyte-material collaborative optimization system, a high-salt-concentration electrolyte and a multi-component additive are adopted, and infiltration is carried out through a multi-step liquid injection process. Through full-chain innovation, the problems that an existing battery is uneven in current collection, slow in electrolyte infiltration, lagged in safety response and the like are solved; and the process improves the production efficiency, adapts to multiple application scenes, and meets the large-scale mass production requirements.

To provide a new structural body in which a coating of titanium nitride is formed on a substrate and the real parts of optical constants take values close to zero at wavelengths longer than that of 460nm.SOLUTION: The structure 10 includes a substrate 12 and a coating portion 14 of titanium nitride formed in a film shape or a particle shape on the substrate 12. In the coating portion 14, the molar ratio MN / MTi of N to Ti is 1.05 or more and 1.45 or less.SELECTED DRAWING: Figure 1

This invention discloses a steel-titanium composite material containing a copper-niobium composite interlayer and its preparation method, belonging to the field of metal coating technology. It includes a steel substrate, and a copper-niobium composite interlayer and a titanium coating sequentially laminated on the surface of the steel substrate. The interfaces between the copper-niobium composite interlayer and the steel substrate surface, and between the copper-niobium composite interlayer and the titanium coating, are metallurgically bonded. The niobium content in the copper-niobium composite interlayer is 1-40% by mass. The preparation method involves laser cladding a copper-niobium composite interlayer onto a surface-treated steel substrate, removing impurities from the surface of the copper-niobium composite interlayer, and then laser cladding a titanium coating onto the surface of the copper-niobium composite interlayer. This invention utilizes the solid solution formation between niobium and titanium to improve the interfacial mechanical properties of the material and inhibit the diffusion of copper within the titanium coating, thereby improving corrosion resistance. Simultaneously, the addition of niobium increases the laser absorption rate of copper, effectively reducing cladding defects caused by insufficient heat.

The invention discloses a titanium coating composite polypropylene reticular patch as well as a preparation method and application thereof, and belongs to the technical field of medical instruments. The preparation method comprises the following steps: carrying out plasma activation treatment on the surface of the polypropylene reticular patch by adopting a mixed gas of Ar and O2 at the power of 100-300W for 5-15 minutes; a titanium coating is formed on the surface of the activated polypropylene mesh patch by adopting a magnetron sputtering titanium target, a polymer film containing silver or a medicine is formed on the surface of the titanium coating through plasma enhanced chemical vapor deposition, and the titanium coating composite polypropylene mesh patch is obtained and used as an implant for treating hernia. Through dual regulation and control of the weaving structure and the coating, the mechanical property requirement and the biological property requirement of the human body implant are met, and huge value is brought to the medical PP film and the biological implantation medical industry.

The application discloses a method for forming a titanium nitride coating on oriented silicon steel and an oriented silicon steel, and belongs to the field of oriented silicon steel processing. The method comprises the following steps: dissolving pyrazine-2,3-dicarboxylic acid in ethanol, adding tetrabutyl titanate to stir and react, adding oxalic acid, and then adding water to form a sol; after the sol is aged, drying is performed, and the sol is ground into a gel powder; the gel powder is covered on polished oriented silicon steel, then heat treatment is performed at 1000 DEG C to 1050 DEG C in a flowing nitrogen atmosphere, and finally cooling is performed to room temperature. The application can prepare a dense titanium nitride coating on the surface of the silicon steel without corroding the oriented silicon steel, and the titanium nitride coating has strong adhesion; the excess gel powder which does not participate in forming the coating can be reused; in the method, no expensive equipment in PVD and CVD processes is needed, the process is simple, raw materials are easy to obtain, the cost is low, and the method is easy to implement in industrialization, and the application has important industrial practical significance for improving the performance of the oriented silicon steel and reducing the loss of a transformer.

The invention relates to the technical field of metallurgical production, in particular to a reactor titanizing method which adopts a high-temperature spraying process and comprises the following steps: firstly, argon is filled into a reactor for protection, a spraying device capable of spirally moving along the inner wall is assembled in the reactor, and the spraying device comprises a titanium powder feeding pipe, a plasma heat source, a lifting device, a telescopic rod and a spraying execution mechanism; titanium powder with the particle size of 10 microns to 1 mm is conveyed to a spray head through a feeding pipe by argon, the titanium powder is heated by a plasma heat source, the high-temperature titanium powder and the wall of the high-temperature reactor collide and are fused at a high speed, and a titanium coating with the thickness of 0.1 mm to 1 mm is formed; the spraying device forms a spiral track through combination of circumferential motion and up-and-down uniform-speed motion, and one-time or multi-layer spraying can be achieved. Titanizing is completed within 10 hours, local heating energy consumption is low, a coating is uniform, vacuum leak detection is not needed in micro-positive pressure operation, efficiency is high, and the use requirement of sponge titanium production for a new reactor can be met.

The utility model provides a passenger car tooth-shaped bolt groove and thread rolling tooth plate cooling die, which relates to the technical field of tooth plate dies, and comprises a static plate, a movable plate and a groove and thread rolling assembly. When the die works, the movable plate moves relative to the static plate, a to-be-processed bolt blank is arranged between tooth grooves of the static plate and the movable plate, and the groove and thread rolling assembly is arranged between the static plate and the movable plate; in the cooling assembly, a first water pump pumps cooling liquid in a cooling liquid tank into a flow guide pipe, the cooling liquid circularly flows in the mold to absorb heat generated during working of the mold, and meanwhile, the cooling liquid is cooled to the lower end of the mold, so that the cooling liquid is cooled to the lower end of the mold, and meanwhile, the cooling liquid is cooled to the lower end of the mold. The arc-shaped ventilation grooves promote air circulation and accelerate heat dissipation of the mold, the heat conduction plates conduct heat in the mold to the heat dissipation fins, the heat dissipation area is increased, the heat dissipation effect is enhanced, efficient cooling of the mold is achieved, and stable production of the tooth-shaped bolt and the service life of the mold are guaranteed.