53 results about "Isothermal forging" patented technology

The application discloses a preparation method of high-performance Ti2AlNb-based alloy plate and belongs to the technical field of titanium alloy plate preparation. The application discloses a preparation method of high-performance Ti2AlNb-based alloy plate, and the specific steps are as follows: firstly, the grain size is refined through multi-directional near-isothermal forging and hot rolling, and the comprehensive performance of the plate is improved, wherein the ingot is subjected to multi-directional near-isothermal forging in an alpha2+B2 phase zone (1020 DEG C-1040 DEG C) and an O+B2 phase zone (930 DEG C-960 DEG C), and the grain size of the forged alloy is refined through continuous temperature reduction phase transformation and recrystallization; then, only upper and lower cover plates are added to cover the plate, rivets are used to fix the blank, and hot rolling is carried out in an alpha2+O+B2 phase zone (980 DEG C-1010 DEG C), and the plate is air-cooled after rolling to obtain the Ti2AlNb-based alloy plate with relatively excellent performance. Then, through comparison and experiment, the process of 1000 DEG C / 20min / argon gas rapid cooling heat treatment is selected. Finally, the Ti2AlNb-based alloy plate with excellent performance at room temperature is obtained.

The invention discloses a forging method for regulating and controlling TiAl alloy lamellar orientation, and belongs to the technical field of TiAl alloy material processing. The method comprises the following steps: coating a TiAl alloy ingot by adopting a soft sheath, heating a coated TiAl alloy blank, carrying out one-way multi-pass near isothermal forging, and carrying out heat treatment after re-forging to obtain a TiAl alloy forging stock with a full lamellar structure; according to the method, a TiAl alloy blank is subjected to one-way multi-pass near-isothermal forging in an (alpha + beta) two-phase region, the forged structure is that fine alpha2 / gamma photo layer groups with preferred orientation are distributed on a beta o phase net-shaped matrix, and then the TiAl alloy blank is subjected to heat treatment near an alpha phase transition point to eliminate the beta o phase in the forged structure; and the full lamellar structure TiAl alloy forging stock with the lamellar preferred orientation is obtained, and the comprehensive mechanical property of the TiAl alloy forging is comprehensively provided.

A vacuum isothermal forging mechanical hand digital twin monitoring method and device based on physical constraint neural network, the main steps include: combining the collectable data with the equipment mechanism model, using neural network and mechanism model to obtain the data of difficult monitoring position, optimizing and correcting the simulation data of the whole equipment, obtaining the temperature and stress change of the whole structure of the mechanical hand in different working states, and mapping it to the virtual twin body of the mechanical hand; taking the minimum contact distance error and the maximum clamping stiffness prediction accuracy as the objective function, setting the reasonable range of the mechanical hand parameters based on the historical data or expert experience, and obtaining the recommended parameters through the Gaussian process modeling and the expected improvement method. The method can establish a more accurate vacuum isothermal forging mechanical hand digital twin model, and give the work parameter recommendation of carrying new products, which can effectively shorten the generation cycle and adapt to small batch and multi variety production type.

The utility model discloses a heating and heat preservation device of an aluminum alloy isothermal forging die, which comprises a lower die block and an upper die block arranged at the top of the lower die block, an upper die heat insulation base plate for insulating heat of the upper die block is arranged at the top of the upper die block, and a heat insulation plate for insulating heat of the lower die block is arranged at the bottom of the lower die block. In order to improve the heat balance speed and efficiency, high-thermal-conductivity die steel is selectively adopted to manufacture the upper die and the lower die of the cavity, in order to reduce the invalid heat energy consumption of an isothermal die and block or reduce the heat energy loss path, a heat insulation material is adopted to wrap a coil and the die on the outer layer of the die, and the contact and heat exchange between the outer surface of the die and air are reduced; under the condition that the necessary temperature of isothermal forging is guaranteed, the input energy of induction heating is reduced, the production cost is reduced, high-thermal-conductivity die steel is adopted between an induction heating coil and a module or a combined module of the die, and the heat balance speed and efficiency of the module are improved.

The invention discloses TiA with a honeycomb shell structure as well as a preparation method, a product and application of the TiA. The method comprises the steps that mixed powder is loaded into a pure titanium tube to be subjected to vacuum packaging, hot isostatic pressing treatment is conducted for 4-6 hours at the temperature of 1200-1300 DEG C and the pressure of 150-200 MPa, then near-isothermal forging is conducted at the temperature of 1250-1300 DEG C at the pressing speed of 0.5-2 mm / s, and the single-pass deformation is 15-25%. The obtained honeycomb shell structure is formed by distributing a W-rich beta phase along a grain boundary and is of a net-shaped wrapping alpha < 2 + > gamma structure. By means of the structure, the yield strength and the tensile strength of the TiAl alloy from the room temperature to 900 DEG C are remarkably improved by about 8%-10%, and meanwhile the room-temperature plasticity of the alloy is basically kept. The method avoids the problems of resource waste and brittle phase increase caused by excessive addition of rare metal elements in a traditional method, has the dual advantages of resource saving and performance optimization, and is suitable for preparing high-temperature structural parts of aerospace engines.

The invention relates to the technical field of forging forming, in particular to a high-strength aluminum alloy multi-station isothermal forging forming device. Comprising hollow transmission frames which are symmetrically arranged front and back; the left inner side of the transmission frame is rotationally connected with a driving roller driven by a motor; the right inner side of the transmission frame is rotationally connected with a driven roller; the outer walls of the driving roller and the driven roller are jointly in transmission connection with a transmission belt; the middle section of the transmission frame penetrates through the heating box close to the left and the cooling box close to the right; the heating box is used for heating by using an electrified heating wire; the cooling box is used for cooling by air cooling; the bottom of the heating box and the bottom of the cooling box are connected with the rack in a supporting mode. A fixed mold with a fixed cavity is fixedly connected to the outer surface of the transmission belt in the transmission direction; the die and the blank are driven by the transmission belt to move integrally, the whole process is completed in a closed machining channel formed by the heating box and the cooling box, temperature drop loss in the blank transferring process is eliminated, and it is ensured that the blank is formed within the set temperature range.

The invention discloses a composite preparation process of a high-strength aluminum alloy special-shaped ring forge piece, and belongs to the technical field of metal plastic processing and heat treatment. The technology sequentially comprises the steps of multidirectional isothermal forging cogging, intermediate solution treatment, special-shaped preformed blank near-net forming, pulse current auxiliary special-shaped ring rolling and deformation heat treatment. Intermediate solution treatment is introduced to interrupt tissue inheritance, and a uniform fine-grain matrix is obtained; by means of the electroplastic effect of pulse current, efficient near-net forming of the special-shaped section is achieved at the low temperature, and grains are further refined; and finally, through combination of pre-cooling deformation and aging deformation heat treatment, synergistic improvement of strength and toughness is achieved. According to the method, the technical problems that in the preparation process of the high-strength aluminum alloy special-shaped ring forge piece, the structure is uneven, the performance anisotropy is high, special-shaped forming is difficult, and the material utilization rate is low are effectively solved, and a near-net-shape product with excellent comprehensive performance and high size precision can be stably obtained.

The invention provides an environment adjusting method, device and equipment for a vacuum isothermal forging space and a medium, and is applied to the technical field of industrial automation and intelligent control. The method comprises the steps that according to initial environment parameters of an internal vacuum isothermal forging space of the automatic heater, environment evaluation indexes are determined; determining a first environment adjustment parameter according to the first membership degree of different evaluation grades corresponding to the environment evaluation index; according to the first environment adjusting parameter, first-time environment adjusting is conducted, and a first vacuum isothermal forging space is obtained; when the environmental parameters of the first vacuum isothermal forging space do not meet the preset parameter threshold value, a second environmental adjustment parameter is determined according to the vacuum isothermal forging parameters, the historical forging standard parameters and the historical forging parameters, then environmental adjustment is conducted again, and a second vacuum isothermal forging space is obtained; environmental parameters of the second vacuum isothermal forging space meet preset parameter thresholds. And the control precision, the self-adaptability and the intelligence of vacuum isothermal forging are remarkably improved.

The invention discloses vacuum isothermal forging equipment with an automatic discharging function, and belongs to the technical field of metal forging, the vacuum isothermal forging equipment comprises a base, two supporting frames are fixedly mounted at the top of the base, a same top plate is fixedly mounted at the top ends of the two supporting frames, and a hydraulic cylinder is mounted at the bottom of the top plate; the lower die base is fixedly installed on the top of the base, a piston of the hydraulic cylinder is connected with a cover plate in a sliding mode, an installation plate is fixedly installed on the piston of the hydraulic cylinder, a cross beam is fixedly installed at the bottom end of the piston of the hydraulic cylinder, a stamping plate is arranged below the cross beam, and the stamping plate is matched with the lower die base. Heating plates are installed on the inner walls of the two sides of the lower die base correspondingly, and a vacuum pump is fixedly installed at the top of the base. And through mutual cooperation of the concentric-square-shaped notch and the concentric-square-shaped convex block and arrangement of the water injection box and the floating plate, when the cover plate moves downwards, a water source is sealed through the concentric-square-shaped notch, and gas leakage is prevented.

The invention discloses an isothermal forging die holder for machine tool drill bit forging equipment and a machine tool drill bit, and relates to the technical field of forging dies, the isothermal forging die holder comprises an upper die holder, a lower die holder and an alternate heat insulation assembly, and the alternate heat insulation assembly comprises a driving motor fixed on the surfaces of the lower die holder and the upper die holder; and a first heat insulation plate and a second heat insulation plate are embedded in the surface of the sliding shelf side by side. According to the invention, the temperature sensor monitors the temperature of the first heat insulation plate or the second heat insulation plate in the heat insulation work in real time, and when the temperature exceeds a threshold value, the heat insulation plate in the heat insulation work is replaced through the arrangement of the double heat insulation plates; therefore, the problems of pulverization and compaction of a heat insulation plate material caused by the fact that a single heat insulation plate is under the continuous action of high temperature and high forging load for a long time are solved, the two heat insulation plates alternately undertake a heat insulation task and alternately dissipate heat and cool through the alternate design, the high-temperature continuous working time of the single plate is greatly shortened, heat aging and structural damage are delayed, and the service life of the heat insulation plate is prolonged. The service life of the heat insulation plate is prolonged.

The application discloses an isothermal forging method for a 3D printing blank of a nickel-based high-temperature alloy double-performance disc-shaped forging, and the steps are as follows: firstly, a 3D printing nickel-based high-temperature alloy powder is used to prepare a raw disc blank, then the raw disc blank is forged into an intermediate blank as a whole through first isothermal forging, a first gradient grain size is obtained, the overall grain size of the intermediate blank reaches 7-9 levels, and high-temperature durability and creep performance are good; then the blade pre-forging blank of the intermediate blank is forged into the blade of the disc-shaped forging in a local manner through second isothermal forging, a second gradient grain size is obtained, the grain size of the blade part of the disc-shaped forging reaches 11-12 levels, high-cycle fatigue performance and vibration resistance are good, and finally the disc-shaped forging is completed. The above-mentioned overall + local forging method is used to isothermally forge the double-performance disc-shaped forging on a single alloy blank body, and the method is mainly used for forming of a nickel-based high-temperature alloy double-performance disc-shaped forging of an aero-engine.

The invention relates to the technical field of non-ferrous metal processing methods, in particular to a preparation method of a high-performance Ti2AlNb alloy forging stock, which comprises the following steps: carrying out multi-heating-number blooming forging on a Ti2AlNb alloy ingot, carrying out multi-heating-number and multi-direction forging deformation on the bloomed and forged blank to obtain a Ti2AlNb alloy forging rod or forging cake, and carrying out multi-heating-number isothermal forging deformation on the Ti2AlNb alloy forging cake to obtain the high-performance Ti2AlNb alloy forging stock. And finally, the Ti2AlNb alloy forging cake obtained after Ti2AlNb alloy forging rod or forging cake machining is subjected to solid solution and aging treatment in an electric furnace, and then the high-performance Ti2AlNb alloy forging stock is obtained.The preparation method effectively solves the problems that alloy cracks in the forging process and the structure is uneven, meanwhile, anisotropy of the forging stock is reduced, the comprehensive mechanical property of the forging stock is improved, and the high-performance Ti2AlNb alloy forging stock is obtained. All technical indexes meet relevant standard requirements, production efficiency is high, equipment and operation are simple, operability is high, and batch production can be achieved.

The application belongs to the field of novel beta titanium alloy hot working, and particularly relates to a forging method for improving anisotropy and strength-toughness matching of super-high strength and toughness beta titanium alloy. The method comprises the following steps: homogenizing a rod, wherein the heating temperature is (Tbeta+30)~(Tbeta+100) DEG C, and high-temperature homogenization treatment is performed for 15-30 hours; high-temperature reversing upsetting and drawing forging, the heating temperature of each fire is reduced by 20-50 DEG C in turn, and the range of the heating temperature is (Tbeta+30)~(Tbeta+100) DEG C; blank forging to obtain a blank; and isothermal forging on the blank to obtain a forged piece. The beta titanium alloy forging process specification is formulated, the problem of anisotropy of TB17 titanium alloy is greatly improved, and the strength and plasticity and toughness are well matched.

The isothermal forging forming method is characterized by comprising the technological processes of isothermal forging, isothermal pre-forging, corrosive washing, isothermal forging forming, heat treatment, secondary corrosive washing and the like at the specific temperature, the compactness of the internal structure of the forge piece is improved, the fiber direction and layout of the internal structure of the forge piece are optimized, the strength of the forge piece is improved, and the forging quality is improved. The machining efficiency is improved; the machining cost is reduced; valuable material resources are saved; and the comprehensive performance of the forge piece is improved. The method is suitable for isothermal forging forming of forgings in irregular shapes.

The invention provides a high-temperature lubricant for a vacuum isothermal forging process as well as a preparation method and application of the high-temperature lubricant. The lubricant is prepared from the following raw materials: 25 to 35 weight percent of surface activated boron nitride powder, 5 to 8 weight percent of molybdenum disulfide microsphere powder, 8 to 10 weight percent of glass powder, 5 weight percent of potassium silicate, 1 to 2 weight percent of silica gel, 10 to 16 weight percent of feldspar powder, 1.5 to 4 weight percent of flatting agent, 1 to 1.5 weight percent of preservative, 0.8 to 2 weight percent of dispersing agent, 1 to 1.5 weight percent of defoaming agent and the balance of water. The high-performance high-temperature lubricant specially used for the vacuum isothermal forging process is developed by adopting an alkali solution, urea and a silane coupling agent to carry out rapid surface chemical activation treatment and a ball-milling modification technology on boron nitride powder, and has excellent dispersity, lubricity and stability; and the technical defects of the existing glass-based lubricating material are fundamentally overcome.

According to the high-erosion-resistance steam turbine blade and the preparation method thereof, nickel-chromium-aluminum-yttrium alloy on the bottom layer is tightly combined with the surface of a base material, and the thermal stress difference between a coating and the base material can be effectively buffered; the middle layer is compounded with titanium carbide through nickel-chromium-aluminum-yttrium alloy, so that smooth performance transition from the bottom layer to the surface layer is realized, the overall toughness of the coating is enhanced, and interlayer cracking is avoided; the composite structure of the tungsten carbide on the surface layer and the nickel-chromium-aluminum-yttrium alloy endows the coating with extremely high hardness, wear resistance and erosion resistance, can enduringly resist erosive wear of water drops and solid particles in steam, prevents pits, pits and cracks from being formed on the surface of the blade, and maintains the integrity of the aerodynamic appearance. Multidirectional upsetting and step-by-step isothermal forging are combined, base material grains are refined, and the structure uniformity is improved; the microstructure is optimized through solid solution aging treatment, and the strength and toughness of the base material are enhanced; according to the composite coating prepared through the atmosphere plasma spraying technology, the binding force of all the layers is excellent, and the defects that a traditional chromium plating layer is prone to stripping, and the binding force of a spraying layer is insufficient are effectively overcome.

This invention provides an in-situ rapid preparation method for a nickel-based alloy turbine disk with high microstructure and uniformity, relating to the field of nickel-based superalloy technology. The method includes the following steps: modeling the nickel-based alloy turbine disk using 3D digital software to form a turbine disk model, and simultaneously reverse-engineering the mold shape of the turbine disk; slicing the turbine disk model, forming a complete printing path in a laser additive manufacturing device, and performing 3D printing on the mold; after printing, moving the mold as a whole to a vacuum isothermal forming device for vacuum isothermal forging, and automatically demolding to obtain a precision forged turbine disk; heat-treating and machining the forging to obtain the nickel-based alloy turbine disk. This invention combines the advantages of precise 3D printing and vacuum isothermal precision forming, solving the problems of solidification defects and microstructure in printed parts, achieving in-situ precision forming, enabling automated and standardized processes, improving product production efficiency, yield, and material utilization, and possessing significant commercial value.

The invention discloses a method for improving the high-temperature creep property of a beta-gamma-TiAl alloy, which comprises the following steps: firstly, carrying out wire cut electrical discharge machining and machining on a TiAl alloy ingot to obtain an alloy sample with a smooth surface and without obvious cracks and wire cutting traces, then carrying out multidirectional near-isothermal forging, carrying out 90-degree rotation during each forging, and carrying out heat treatment on the alloy sample to obtain the high-temperature creep property of the beta-gamma-TiAl alloy. And the external force loading direction is continuously changed, so that the hydrogen element in the alloy is fully diffused and removed, and the hydrogen embrittlement phenomenon is effectively inhibited. And meanwhile, the multidirectional stress effect promotes uniform distribution of the internal structure of the alloy, the structure anisotropy caused by single-direction deformation is broken, dynamic recrystallization is promoted to be fully carried out, and grain refinement is achieved. And finally, the creep property of the material is remarkably enhanced through the process, and the complex working condition requirements are met.

The utility model discloses an isothermal forging die tool for manufacturing a titanium alloy lower cross arm, and relates to the technical field of isothermal forging dies, the isothermal forging die tool for manufacturing the titanium alloy lower cross arm comprises an upper die, a lower die is arranged on the lower portion of the upper die, a forming cavity is arranged between the upper die and the lower die, and the lower die is arranged in the forming cavity. A constant-temperature assembly is installed on the bottom face of the lower die and comprises a temperature guide module and a sliding groove, the temperature guide module is installed on the bottom face of the lower die, the sliding groove is formed in one side of the bottom face of the lower die, a sliding block is installed on the inner wall of the sliding groove, and an insertion plate is installed on one side of the sliding block. Heat can be quickly and uniformly conducted to the mold through the constant-temperature assembly, the preheating time of the mold is shortened, the constant-temperature assembly can be adjusted or replaced according to needs through the design of the sliding groove, the sliding block and the insertion plate, and the flexibility and adaptability of the mold are improved.

The invention belongs to the technical field of aeronautical materials, and particularly relates to an aeronautical high-conductivity ultrahigh-strength aluminum alloy material and a preparation method thereof. Through the Zr-Er-Y multi-element microalloying synergistic effect, a coherent Al3 (Zr, Er and Y) nano dispersed phase is formed, grains are remarkably refined, recrystallization is inhibited, meanwhile, the Y element optimizes the grain boundary precipitated phase form, the grain boundary binding force is improved, and a structure foundation is laid for high toughness of the alloy. A cooperative treatment strategy of isothermal forging and pressing, water quenching and two-stage aging is adopted in the process, and high-density dislocation and water quenching freezing dislocation configuration is introduced in forging and pressing so as to retain deformation stored energy. Two-stage aging promotes uniform dispersion of a precipitated phase, efficient superposition of deformation strengthening and precipitation strengthening is achieved, and the strength and fatigue resistance are remarkably improved. And finally, the strength, the electric conductivity and the fatigue limit of the alloy are synchronously improved while the high plasticity is kept, the bottleneck of mutual restriction of the strength and the corrosion resistance is effectively broken through, and the harsh requirements of aerospace on high-strength, high-electric-conductivity and high-fatigue materials are met.

The vacuum isothermal forging and pressing device comprises a device body, a supporting block is arranged in the device body, an air cylinder is slidably connected to the center of the interior of the supporting block, a quick replacement mechanism is arranged at the bottom end of the air cylinder, and an auxiliary forging and pressing mechanism is arranged on the bottom face of the inner wall of the device body. According to the quick replacement mechanism, a first cylinder can be driven to move through rotation of a threaded rod, then a first auxiliary plate is driven to slide in a sliding groove formed in a cross-shaped rotating block, and a second cylinder is clamped through a third auxiliary plate, so that an upper mold is fixed, quick disassembly is achieved, and the practicability is high. The auxiliary forging and pressing mechanism drives a first sliding block and a second sliding block to move oppositely through rotation of a reciprocating lead screw, then a first arc-shaped block and a second arc-shaped block clamp an object needing vacuum isothermal forging and pressing, the position of a forge piece in a die can be fixed through clamping, the forge piece is prevented from moving or rotating in the forging process, and the forging quality is improved. This contributes to ensuring that the forge piece can accurately fill the mold cavity.

The application provides a heating furnace intelligent distribution method and device of a fully-closed vacuum isothermal forging system, relates to the field of high-end intelligent device manufacturing, and is applied to an intelligent distribution device of a fully-closed vacuum isothermal forging system. The fully-closed vacuum isothermal forging system further comprises a plurality of heating furnaces in a vacuum environment and an intelligent robot for transferring a blank in the plurality of heating furnaces. The method comprises the following steps: obtaining attribute data of a blank to be distributed and performance data of an idle heating furnace; determining a target heating furnace corresponding to heating of the blank to be distributed based on the attribute data of the blank to be distributed, the performance data of the idle heating furnace and a heating furnace distribution model; and controlling the intelligent robot to transfer the blank to be distributed from an originally loaded heating furnace to the target heating furnace. The method is suitable for a heating furnace distribution process of a vacuum isothermal forging system, is used for improving transfer efficiency during blank heating, and improves the intelligent degree of the fully-closed vacuum isothermal forging system.

The isothermal forging forming die comprises an upper die body and a lower die body, a first hole body with an opening in the upper end is coaxially formed in the upper die body, a second hole body with an opening in the upper end is formed in the upper die body, the axis of the second hole body deviates from the axis of the upper die body, and an annular groove body is coaxially formed outside the lower die body; a third hole body with an opening in the lower end is formed in the lower die, and the axis of the third hole body deviates from the axis of the lower die; a first heating device is coaxially arranged in the first hole body, a first temperature detection device is arranged in the second hole body, a second heating device is coaxially arranged in the annular groove body, a second temperature detection device is arranged in the third hole body, and the first heating device, the first temperature detection device, the second heating device and the second temperature detection device are electrically connected with a controller. According to the invention, isothermal forging forming and upper die stripping of shell forgings can be facilitated.

The application discloses a modular high-efficiency vacuum isothermal forming system and method, belongs to the technical field of metal processing, and is characterized in that a preheating furnace and a post-processing furnace are movably designed, the layout of an existing isothermal forging press full-closed intelligent manufacturing production line is changed, multiple preheating furnaces and post-processing furnaces can be moved in an orderly manner according to production rhythm, when the preheating furnace heats a blank at a preheating furnace parking position, other preheating furnaces can synchronously perform feeding or transfer operation, when the post-processing furnace performs post-processing on a forged piece at a post-processing parking position, other post-processing furnace shells synchronously perform receiving the forged piece or transferring the forged piece after post-processing, and equipment utilization is improved.

The invention discloses a regulation and control method for improving the strength and plasticity balance of a titanium alloy, which comprises the following steps of: 1, adding a trace amount of metal powder into a titanium-zirconium alloy raw material, and carrying out vacuum casting treatment to obtain a ternary system titanium-zirconium alloy bar blank; secondly, the ternary system titanium-zirconium alloy bar blank is subjected to isothermal forging and pressing after being subjected to heat preservation, and a ternary system titanium-zirconium alloy thin bar is obtained; thirdly, the ternary system titanium-zirconium alloy fine rod is subjected to warm spinning forming, and a micron-grain fine rod is obtained after quenching treatment; and fourthly, the micro-grain fine bar is subjected to rotary rolling machining under the assistance of ultrasonic vibration, and the titanium alloy wire is obtained. According to the method, trace alloy elements are added into the titanium-zirconium alloy, the multi-process temperature synergistic effect is combined, rotary rolling machining is carried out under the assistance of ultrasonic vibration, grain micro-nano and high-strength and high-plasticity balance of performance of the titanium alloy are achieved, and the high-strength and high-plasticity titanium alloy wire high in size precision and good in surface activity is obtained; the device is suitable for bearing parts such as oral implants, abutment and bone regeneration synergy and medical instruments for guiding bone regeneration and the like.

The application discloses a vacuum isothermal forging process and device suitable for high-temperature titanium-based materials, relates to the technical field of isothermal forging, and comprises a heating furnace, a male die is connected with a pressure head through high-temperature bolts, and a female die is fixedly connected with a die base through high-temperature bolts; a discharging device is arranged on the lower wall of the heating furnace, so that blank feeding and formed forging taking-out are facilitated; a vacuum pump set and an oxygen meter device matched with the heating furnace can realize monitoring of a vacuum environment and oxygen content in the furnace in the isothermal forging process; the device can guarantee that the whole process from blank and die heating to subsequent forging processes is completely closed, can guarantee the precision and performance of a final formed piece, and has the effects of prolonging the service life of the die and the like. The device can realize almost all heat treatment processes involved in conventional heat treatment and can realize true vacuum isothermal forging.

This invention discloses a large-scale multi-worktable vacuum isothermal forging equipment and a continuous production method. The equipment includes: a hydraulic press, N worktables, slide rails, an isothermal material supply assembly, and N+1 vacuum pump sets. One side of the hydraulic press is adjacent to the isothermal material supply assembly, and the other side is equipped with a slide rail. The N worktables are all slidably mounted on the slide rails. N preheating and cooling stations are set on the slide rails. Each worktable has a forging chamber. The forging chamber contains a mold and a heating element. During isothermal forging, one worktable moves along the slide rail to the bottom of the hydraulic press and connects to the isothermal material supply assembly under vacuum. At this time, the worktable at the bottom of the hydraulic press is located at the forging station. The other worktables are located at their respective preheating and cooling stations. Vacuum pump sets are correspondingly set at the N preheating and cooling stations and the forging stations to evacuate the forging chambers of the corresponding worktables. This invention can improve forging efficiency.

The utility model discloses a titanium alloy forge piece isothermal forging die with a warped thin plate structure, and relates to the technical field of forging die, the titanium alloy forge piece isothermal forging die with the warped thin plate structure comprises a lower die and an upper die, the lower die comprises a lower die mounting table, a main body die plate and a thin plate die plate, the upper mold comprises a fixing plate and an upper mold pressing plate, the lower mold mounting table comprises a mounting plate and a mounting seat, a main body groove and a thin plate groove are formed in the mounting seat, and a first heating plate and a second heating plate are mounted on the inner wall of the main body groove and the inner wall of the thin plate groove respectively; a main body cavity is formed in the upper end of the main body groove; according to the titanium alloy forge piece die, the titanium alloy forge piece die with the thin plate structure is divided into the main body part and the thin plate part, the main body part and the thin plate part can be freely assembled so that the bottom die can be conveniently replaced to manufacture different titanium alloy forge pieces, only the damaged part can be replaced when the titanium alloy forge piece die is damaged, complete replacement is not needed, and replacement cost is reduced.

The application provides an intelligent control and device of a fully-closed vacuum isothermal forging system, relates to the field of aerospace part forging, and is applied to the intelligent control device of the fully-closed vacuum isothermal forging system. The fully-closed vacuum isothermal forging system further comprises a plurality of heating furnaces in a vacuum environment and an intelligent robot for transferring a blank in the plurality of heating furnaces. A sliding gate is arranged on the side close to the intelligent robot outside each heating furnace. The method comprises the following steps: obtaining a target heating task of a target blank; the target heating task is used for indicating a plurality of working steps in a target blank heating process, and each working step is used for indicating a heating furnace for heating in the working step; before the target blank is heated to the end of a current working step in the current working step, the sliding gate of a target heating furnace for heating in a next working step of the current working step is controlled to be opened according to the target heating task. The method is used for improving the transfer efficiency during blank heating.