3142 results about "Die casting" patented technology

The invention relates to the technical field of alloy die-casting, and particularly discloses an alloy die-casting temperature field control method and system capable of reducing hot cracks, temperature gradients of different areas of a die are adjusted in real time according to flowing and solidification characteristics of alloy liquid, so that the surface temperature distribution of the die is matched with the solidification rate of the alloy liquid, and the alloy die-casting temperature field is controlled. Utilizing a machine learning algorithm to predict a risk area where hot cracks are generated on the basis of historical data and real-time monitoring data, and dynamically adjusting the flow velocity of a cooling system, the heating power of a die or die-casting process parameters according to a prediction result; through dynamic temperature gradient control, intelligent prediction and feedback control, a cooling strategy, a stress release mechanism and a real-time monitoring and optimizing process, thermal stress concentration can be effectively reduced, the possibility of generation of thermal cracks is reduced, the yield of castings is improved, the cooling time of the castings can be shortened through the cooling strategy, and therefore the production efficiency is improved, and the production cost is reduced. And reworking and scrapping of castings are reduced.

The invention relates to the technical field of die-casting optimization, and discloses a die-casting process parameter optimization method and system based on digital twinning, and the method comprises the steps: arranging a sensor to collect the operation parameters of die-casting equipment and the quality data of a die casting in real time, and forming multi-source die-casting production data; according to multi-source die-casting production data, a multi-physical field simulation model is established, and a digital twinborn model is constructed. And comparing the virtual prediction result with the actually measured quality data, and constructing a virtual-real difference compensation network to correct the parameters of the digital twin model. And performing a multi-target reinforcement learning method based on the compensated digital twin model to generate optimal die-casting process parameters. And applying the optimal die-casting process parameters to die-casting equipment for verification, and updating the virtual-real difference compensation network according to a verification result. Intelligent optimization and continuous self-evolution of the die-casting process parameters are achieved, and the casting forming precision, the energy efficiency utilization rate and the production stability are improved.

The invention provides an automobile balance block die-casting mould, which comprises a push cylinder, an upper mould base, an upper mould, a lower mould and a lower mould base, wherein the upper mould is arranged on the lower end of the upper mould base; the lower mould is arranged on the upper end of the lower mould base; the upper mould base is connected to the upper end of the lower mould base through a guide pillar; cooling holes are formed in the upper end face and the lower end face of the upper mould base in a penetrating way; a guide sleeve is connected onto each cooling hole. According to the automobile balance block die-casting mould, each cooling channel is communicated with a blind hole, each blind hole is communicated with a cooling hole, and each guide sleeve is arranged on the corresponding cooling hole, so that the mould can be cooled conveniently and quickly through injecting cooling water in the guide sleeves; the cooling channels are arranged at equal distances and in parallel, so that cooling is uniform, the cooling effect can be further improved, and the product quality is improved; the automobile balance block die-casting mould is simple in structure, convenient to operate, and good in cooling effect.

The invention discloses an automatic grinding system for hardware die castings, and relates to the technical field of grinding of die castings. An automatic polishing system for hardware die castings comprises a polishing module arranged on a base, the polishing module comprises a mounting plate slidably mounted on the base, a first mounting pipe is rotatably mounted on the mounting plate, and a first limiting belt wheel is fixedly mounted on the first mounting pipe; a tensioning wheel assembly is arranged on the side face of the mounting plate, and a second limiting belt wheel is rotationally arranged at the output end of the tensioning wheel assembly; the wheel type pressing part of the rolling belt pressing assembly is used for replacing a traditional plane pressing block, sliding friction is converted into rolling friction, the contact area is reduced, friction heat is dispersed, and the risk that an abrasive belt base is fiberized and cracked due to high temperature is reduced; after polishing is completed, the expansion assembly drives the abrasive belt to be bent to the back included angle of 15-35 degrees, abrasive particle gaps are expanded, dust can naturally fall off by means of centrifugal force and gravity when the abrasive belt idles, and the contact area of the abrasive belt and air can be increased to accelerate heat dissipation.

The invention discloses an intelligent optimization method and system for an aluminum alloy die casting forming process, and relates to the technical field of intelligent optimizing.The intelligent optimization method comprises the steps that the multi-element content in an aluminum alloy melt is collected in real time, and the multi-element content is combined into a three-dimensional material gene vector; inputting the three-dimensional material gene vector into a pre-trained graph neural network, and calculating to obtain an injection speed compensation coefficient and a boost pressure compensation coefficient; performing space-time alignment on the geometric center coordinate of the defect and die temperature field and pressure time sequence data recorded in the die casting process, inputting a reinforcement learning agent model constructed through a depth Q network algorithm, and reconstructing an evolution path of an internal defect area; and according to the defect formation time point and position point identified in the evolution path, reversely correcting the weight parameter of the graph neural network, and updating. According to the method, the content of multiple elements is fused into the three-dimensional material gene vector, and millisecond-level cooperative compensation of the injection speed and the boost pressure is achieved through the dynamic topology modeling capacity of the pre-training graph neural network.

A high-performance near-pure zinc alloy, a preparation method therefor and a use thereof, relating to the technical field of zinc alloys. The alloy component is that the content of Zn is greater than or equal to 99.5%, and the remaining trace alloy elements include at least two of the following 14 elements: Mg, Mn, Li, Cu, Ag, Ca, Sr, Fe, Zr, Ti, Al, C, Ga, and Si. The alloy has the yield strength ≥ 250 MPa, the tensile strength ≥ 320 MPa, the elongation ≥ 25%, the mechanical property change during one year of room-temperature storage ≤ 5%, the maximum bending force ≥ 2 kN, the stress corrosion sensitivity factor ≤ 15%, the size of corrosion pits after 60 days of immersion ≤ 15 μm, and the standard deviation of the size of corrosion pits ≤ 3 μm. The alloy is suitable for the preparation of biodegradable stents, bone implant devices, medical staplers or anastomotic nails for intestines, blood vessels or nerves, vascular clamps, guided bone or tissue regeneration membranes, heart valve protheses, dura mater repair membranes, soluble bridge plugs and fracturing balls for oil drilling, zinc alloy die castings, electroplated zinc materials, building zinc materials, battery-grade zinc, printing-grade zinc, and zinc-based brazing alloys.

The invention relates to a method, a device and equipment for detecting surface defects of a die casting. The method comprises the following steps: controlling a servo motor to drive a rotating device according to a planned scanning path, and driving a scanning camera carried on the rotating device to rotate through the rotating device so as to carry out three-dimensional point cloud acquisition on the die casting to obtain a target point cloud of the die casting; the target point clouds are all or part of point clouds in a to-be-detected area of the die casting; calculating the curvature of each point in the target point cloud, and extracting points of which the curvatures are greater than or equal to a preset curvature threshold value from the target point cloud to obtain a set of high-curvature points; clustering the set of the high curvature points to obtain a defect point cluster; and determining the size of the defect area of the die casting according to the maximum value and the minimum value corresponding to the defect point cluster on the three coordinate axes in the three-dimensional coordinate system. According to the method, the accuracy of surface defect detection of the die casting can be improved.

The invention relates to the field of material manufacturing, in particular to a low-cost invar alloy strip preparation method, which designs a special production process route according to the high purity requirement of invar alloy materials used by metal masks, namely EAF, AOD, LF, die casting of electrode billets, VAR, cogging, hot continuous rolling and cold rolling. Through the process route, the inclusion requirement of the strip can meet the use requirement of a user, and imported materials can be replaced.

According to the smelting method for refining the size of the inclusions of the invar alloy and the invar alloy, a large-size invar alloy steel ingot is prepared through the processes of induction furnace smelting, AOD furnace refining, LF furnace refining, VD furnace refining and die casting, in the AOD furnace refining process, an Al-Si-Mn composite deoxidizing agent is adopted for deoxidizing, in the LF furnace refining process, Ni-Mg alloy is added, and in the VD furnace refining process, the Al-Si-Mn composite deoxidizing agent is adopted for deoxidizing; the impurities are decomposed and refined, the impurities are controlled to be Al2O3-MgO-SiO2 series impurities, the grade of the A type impurities, the grade of the B type impurities, the grade of the C type impurities and the grade of the D type impurities are smaller than or equal to 0.5 grade, and the grade of the Ds type impurities is 0 grade. The method can effectively refine the size of the inclusions in the invar alloy molten steel, reduce the occurrence rate of local peeling defects on the surface of the cold-rolled strip caused by large-size deoxidized products, and improve the product quality and the yield of the invar alloy strip.

The invention discloses an automobile aluminum alloy integrated die-casting part demolding ejection device, and relates to the field of die casting, the automobile aluminum alloy integrated die-casting part demolding ejection device comprises a first mounting frame and a first driving motor mounted on one side of the bottom of the first mounting frame, two pushing mechanisms are symmetrically mounted at the top of the first mounting frame, and ejection mechanisms are fixedly mounted at the tops of the pushing mechanisms. According to the invention, the pushing mechanism is driven to realize ejection operation, multiple adjustable ejection rods are arranged to adapt to die castings with different sizes and ensure uniform stress, a gear ring rotates under the limitation of an outer ring, multiple transmission gears are driven to be meshed synchronously, and a rack is further driven to move, so that the coordinated adjustment of the positions of the ejection rods is realized; the ejector rods can be synchronously gathered or dispersed according to the size of a casting, so that uniform distribution of ejection force is effectively guaranteed, deformation or damage caused by uneven stress of the die casting is avoided, and the stability and efficiency in the demolding process are improved through the structural design.

The invention relates to a multi-parameter and multi-field intelligent optimization method and system for a press free forging large-scale falling die, and the method achieves the collaborative optimization of technological parameters, die geometry and microstructure through a heat-force-microstructure three-field coupling modeling, a deep kernel learning agent model and a digital twinning guided multi-objective evolutionary algorithm, improves the optimization efficiency, and improves the optimization precision. The mold testing times are reduced; and meanwhile, a real-time closed-loop control system is constructed, the grain size uniformity of forgings is improved, the forming load is reduced, the production period is shortened, the process stability is improved, and the die service life is prolonged.

The invention discloses a control method and a preparation method for quenching deformation of a die casting, and the control method comprises the following steps: carrying out partitioned cooling on the die casting subjected to solution treatment to obtain the actual deformation of the cooled die casting; a simulation model is established, and the simulation deformation of the die casting is obtained; the simulation deformation amount is compared with the actual deformation amount; carrying out simulation optimization on the partitioned quenching cooling process of the die casting on the basis of the corrected model; performing quenching cooling test on the die casting based on the simulated and optimized partition quenching cooling process, and correcting the partition quenching cooling process based on the result of the cooling rate; performing partition quenching cooling on the die casting on the basis of the corrected partition quenching cooling process, obtaining corrected deformation of the die casting after quenching cooling, and comparing the corrected deformation with design size data of the die casting; and constraint simulation analysis is carried out on the position with the deformation degree larger than 1mm, and a constraint mode with the minimum deformation degree is obtained.

The invention discloses a mold partition temperature control system based on an air film adjustable thermal resistance boundary, and belongs to the technical field of mold temperature control and thermal management. The system comprises a mold body, at least two temperature control subareas and gas film adjustable thermal resistance boundary units arranged between the adjacent temperature control subareas. The air film adjustable thermal resistance boundary unit comprises a boundary air cavity, an air injection micropore, an exhaust adjusting structure and an air supply unit. Gas enters the partition boundary area through the gas injection micropores and forms a gas film layer, and the thickness, continuity, stability and coverage range of the gas film layer are changed by adjusting the gas supply pressure, the gas supply flow and the exhaust resistance, so that the thermal coupling strength between the adjacent temperature control partitions is adjusted. The system is suitable for injection molding, pressure casting, hot pressing and composite material forming molds.

The invention relates to the technical field of die-casting dies, and discloses a partitioned differential temperature cooling die-casting die for a complex aluminum alloy shell, which comprises a die body, and a thick-wall region, a thick-wall transition region and a thin-wall region are arranged in the die body; the mold body is provided with independent cooling units corresponding to the thin-wall area, the thick-wall transition area and the thick-wall area respectively, and each cooling unit is communicated with a cooling liquid transmission pipe through a self-adaptive sealing anti-leakage structure; thin-wall area cooling pipes arranged in a Z shape are installed on the outer side of the thin-wall area in an attached mode, spiral thick-wall transition area cooling pipes are installed on the outer side of the thick-wall transition area in an attached mode, and thick-wall area cooling pipes with built-in spoilers are installed in the thick-wall area in an embedded mode. According to the partitioned differential temperature cooling die-casting die for the complex aluminum alloy shell, through the partitioned independent temperature control cooling unit, the self-adaptive sealing anti-leakage structure and surface strengthening treatment, accurate cooling of regions with different wall thicknesses is achieved, the product forming quality is improved, the die universality is enhanced, the service life of the die is prolonged, and the maintenance cost is reduced.

The invention relates to the technical field of metal die-casting forming, and discloses a vacuum die-casting method for a high-reliability aluminum alloy motor end cover, which comprises the following steps: carrying out acoustic levitation purification treatment on an aluminum alloy melt; detecting the acoustic purity of the purified melt on line by adopting an acoustic characteristic sensing device; feeding the melt into a mold cavity for vacuum die-casting filling; and according to the detection result of the acoustic purity, an electromagnetic coil preset at the hot spot area of the mold is controlled in a feedforward mode, and magnetic field induction partition solidification of the hot spot area is achieved. According to the method, through the synergistic effect of melt purification and solidification control, micro bubbles and inclusions in the melt are removed through acoustic levitation purification firstly, then accurate magnetic field induction partition solidification is conducted on a hot spot area through feedforward control based on melt quality real-time data, formation of microscopic and macroscopic defects is effectively inhibited, and the quality of the melt is improved. The manufactured motor end cover is high in internal density and good in mechanical property and air tightness, and the product reliability is remarkably improved.

The invention discloses a workpiece local heat control method based on deep learning, and the method comprises the following steps: 1, preparing neural network data: employing a thermal imager to shoot a detected object, and obtaining an overall temperature distribution diagram of a system; step 2, training a neural network: training a dual-output deep learning model by taking the control parameter v as input and taking the labels (Ts1, Ts2) as output; according to the scheme, a deep learning model with a seven-layer network structure is adopted; and step 3, randomly generating control parameters, and selecting optimal parameters according to a prediction result of the neural network: during small-range temperature regulation and control, firstly recording the temperatures Ts1, pre and Ts2, pre of the s1 region and the s2 region at the moment. According to the workpiece local heat control method based on deep learning, an innovative control strategy is provided, control parameters are optimized through a neural network, precise regulation and control of the temperature of a specific area are achieved, meanwhile, the temperature stability of other areas is effectively maintained, and therefore the requirement for high-precision temperature control in the die casting and injection molding process is met.

The invention discloses a mold temperature control system and method for a large complex die-casting mold, and the system comprises a mold temperature controller, a mold temperature collection unit, an oil temperature machine, a heating oil pipeline, a cooling water pump, a cooling water tank, a cooling water pipeline, a fixed mold, a movable mold, a fixed mold plate, a movable mold plate, an injection charging barrel, an injection punch, a pipeline integrated board, and a cable. The mold temperature controller is responsible for managing mold temperature control equipment in a centralized mode, the mold temperature collecting unit is responsible for collecting the temperature of the fixed mold core, the movable mold core, the injection charging barrel and the injection punch, the oil temperature machine is responsible for conveying heating oil, and the cooling water pump is responsible for conveying high-pressure cooling water. Through software and hardware integrated control of the die temperature control equipment, the problems of dispersed layout, poor coordination, low working efficiency and the like of the die temperature control equipment are solved, the process management and control capability of die temperature control is improved, real-time and accurate control of the die temperature is realized, the defects of deformation, shrinkage cavities, looseness and the like of die castings are reduced, and the die casting quality is improved. And the size stability and the qualified rate of the large complex die casting are improved.

Provided are an aluminum alloy and a preparation method therefor, a die casting, a welding assembly, and an electronic device. Based on the total weight of the aluminum alloy, the aluminum alloy comprises the following elements in percentages by weight: 0.01-15% of La; 0.01-15% of Ce; 0.3-3% of Fe; 0.3-3.0% of Mn; and 0.01%-0.5% of Zr. La and Ce content together total 3%-15%, and the balance is Al and inevitable impurities, the content of any individual impurity element among the inevitable impurities being less than or equal to 0.2%.

The invention belongs to the field of dies, and particularly relates to a cam cover die-casting die with a spiral cooling structure, a die table mechanism comprises a lower die table and an upper die table which are combined, and a lower die core and an upper die core which are matched with each other are arranged in the lower die table and the upper die table; the pouring mechanism comprises a pouring end seat arranged on the upper mold table, a pouring channel penetrating through the upper mold core is formed in the pouring end seat, and the other end of the pouring channel penetrates into a closed cavity of the lower mold core and the upper mold core; the track mechanism comprises a track table arranged on the outer side of the cavity; the multi-layer structure of the spiral pipe is in direct contact with the outer wall of the cavity, the spiral flowing path of a cooling medium is combined, the heat exchange area and cooling uniformity are increased, the casting deformation risk is reduced, a temperature sensing end base integrated temperature sensor monitors the temperature of the cavity in real time, and the flow of the cooling medium is dynamically adjusted in cooperation with a deformation piece driven by an air bag piece. And intelligent control of slow-cooling anti-cracking in a high-temperature area and rapid-cooling shaping in a low-temperature area is realized.

The invention relates to the technical field of aluminum alloys, in particular to a high-strength aluminum profile and a preparation method thereof. The problems that in the prior art, an aluminum profile is low in mechanical property and insufficient in corrosion resistance are solved. Magnesium, silicon, a copper-cerium alloy and a metal erbium element are added into an aluminum ingot, and melting treatment is carried out step by step, so that a smelted alloy is obtained; the smelted alloy is refined through a refining agent, preliminary die casting, segmented extrusion forming and multi-segment aging treatment are combined, the temperature, time and cooling speed of each process are accurately controlled, and an aging treatment profile is obtained; and zinc deposition treatment is carried out, and the high-strength aluminum profile is prepared by optimizing the zinc deposition process and strictly controlling the temperature and time of primary zinc deposition and secondary zinc deposition and the thickness of a zinc deposition layer. Through the adding of all elements and the synergistic effect of process steps and parameters, the strength and corrosion resistance of the aluminum profile are effectively improved.

The utility model discloses a hydraulic trimming die for die castings, and particularly relates to the technical field of die casting trimming, which comprises a lower die, an upper die is clamped at the top of the lower die, a cover plate is telescopically arranged at the bottom of the upper die, a first compression mechanism is fixedly arranged at the top of the cover plate, and a bottom plate is telescopically arranged at the top of the lower die. The cover plate is tightly arranged on the outer side of the bottom plate in a sleeving mode, a fixing groove is fixedly formed between the cover plate and the bottom plate, the cover plate and the bottom plate tightly wrap a die casting through the fixing groove, and an edge cutter is fixedly arranged at the position, above the protruding block, of the bottom of the upper die. The upper die is connected with the hydraulic rod at first, then the die casting is placed on the inner side of the fixing groove in the top of the bottom plate, then the upper die is controlled to drive the cover plate to descend so as to press and fix the die casting, and finally the convex block is cut off through the edge cutter, so that the placing operation of the die casting is effectively facilitated, and the edge cutting efficiency is improved.

The invention discloses a precision gear mold, and relates to the field of industrial machining, the precision gear mold comprises a mounting frame, the mounting frame is U-shaped, an upper top plate is arranged at the top of the mounting frame, a mold main body is arranged on the mounting frame, the mold main body comprises an upper mold and a lower mold, a placement groove is formed in the lower mold, and the upper mold is provided with a positioning groove; a bottom forming plate is arranged in the containing groove, an open groove matched with the containing groove is formed in the upper mold, and a top forming plate matched with the bottom forming plate is arranged in the open groove. The optical camera is aligned with a positioning point, the limiting lantern ring is matched with the limiting shaft, the mounting block is in butt joint with the mounting groove, and the limiting rod is matched with the limiting hole, so that rapid die combination and precise positioning are achieved, and a foundation is laid for precise gear die casting.

The invention discloses a die-casting parameter optimization method and a related device, and relates to the technical field of die-casting optimization, and the method comprises the steps: obtaining a plurality of pieces of die-casting production historical data of a target die-casting machine, determining die-casting production target data corresponding to each piece of die-casting production historical data, and according to the die-casting production target data corresponding to the plurality of pieces of die-casting production historical data, determining the die-casting production target data corresponding to each piece of die-casting production historical data; and generating a decision tree of the target die-casting machine, and adjusting and optimizing the to-be-optimized die-casting parameter value through the decision tree. According to the screening mode of quantitative analysis based on the internal relation, the adaptation degree of the target die-casting parameters and the target die-casting machine is higher, then the adaptation degree of the decision tree and the target die-casting machine is higher, and the yield is increased based on the parameter optimization result of the decision tree. The whole process does not need manual parameters, the efficiency of the process adjustment process is higher, the reproducibility is higher, and the transparency and the interpretability are higher.

An intelligent temperature control system for metal product die casting equipment comprises a male die mechanism, a female die mechanism, an ejection mechanism and a temperature control system, the male die mechanism and the female die mechanism are matched oppositely, the ejection mechanism is installed on the male die mechanism, and the temperature control system comprises a temperature monitoring assembly, a circulating assembly, a heating assembly, a cooling assembly and a control center. The temperature monitoring assembly is installed on the male die mechanism and the female die mechanism, the circulating assembly is connected to the male die mechanism and the female die mechanism, and through a multi-area independent temperature control framework and a dynamic feedback adjusting mechanism, the problem of local thermal unbalance caused by overall temperature control of a traditional die-casting die is effectively solved; a plurality of groups of independent circulating water channels accurately cover different heat conduction areas of the mold, and differential and dynamic accurate control of the temperature of each area is realized by combining real-time monitoring of multi-point distributed thermocouples and intelligent regulation and control of a control center; the heat-conducting channel enhances the heat exchange efficiency and shortens the temperature response time; heating and cooling assemblies are independently configured and efficiently and synergistically consider energy efficiency and temperature control speed.

The invention relates to an electric auxiliary hot air expansion die-casting forming process and device for a composite tubular beam component. The process comprises the following steps of heating, transferring, die closing and sealing of a steel tube blank, pressurizing and bulging, pressure regulating and aluminum alloy casting, electric auxiliary solidification when the aluminum alloy is solidified, cooling and quenching, and pressure relief, die opening and part taking. When the composite tubular beam component is formed, the electric auxiliary solidification technology is introduced, the electromagnetic effect of current is utilized, Lorentz force is generated in the solidification nucleation and growth stages of aluminum alloy, liquid convection in aluminum alloy slurry is promoted, dendritic crystal arm growth in the solidification process is destroyed, columnar crystal generation is hindered, more free nucleation is generated, the nucleation number is increased, and the composite tubular beam component is formed. Grains of the aluminum alloy die casting are refined, and the yield strength of the aluminum alloy die casting is improved.

According to the high-quality high-speed wire rolling method for the low-alloy high-speed steel wire rod based on continuous casting forming, gradient heating is conducted through the step type heating furnace, preheating of a continuous casting blank is uniform, and phase change stress is reduced. The initial rolling temperature is set and controlled to be 1060-1100 DEG C, the finish rolling temperature is controlled to be 950-1050 DEG C, the spinning temperature is controlled to be 980-1030 DEG C, and the highest rolling speed is 25 m / s. And after rough rolling, induction heating temperature compensation is carried out to increase the surface temperature of the blank, the temperature is set to be 1000-1040 DEG C, the temperature compensation time is controlled to be 10-20 s, and surface cracks and head wind caused by too low temperature are prevented. And closing the cover plate after spinning, adopting heat collection, immediately entering a slow cooling tunnel furnace for furnace cooling after doffing, and discharging for annealing after 48 hours or longer. A continuous casting technology is used for replacing a traditional die casting technology, controlled rolling and controlled cooling in the rolling process are matched, composition segregation is remarkably reduced, the core quality is improved, carbides are effectively refined, the uniformity of products is guaranteed, the production efficiency is improved, the production cost is reduced, and the influence on the environment is reduced; and a new process and a new route are provided for producing the high-quality low-alloy high-speed steel wire rod.

The invention discloses a method for extracting lithium and sodium from overhaul slag through electrochemistry assistance, and belongs to the technical field of aluminum electrolysis lithium-containing solid waste cyclic economic utilization and environmental protection. A method for extracting lithium and sodium from overhaul slag through electrochemical assistance comprises the following steps that the overhaul slag and auxiliary materials are subjected to die-casting forming to prepare an electrode plate, and then lithium and sodium are extracted from the overhaul slag through an electrochemical method. According to the method, for the lithium-containing overhaul slag solid waste generated in the electrolytic aluminum industry, migration and dissolution of metal ions are enhanced through electrochemical assistance in a weak acid environment, so that comprehensive recycling of valuable elements of lithium and sodium is achieved, and meanwhile the recovery rate of lithium can be larger than 90%. In addition, the method can be carried out at low temperature, so that the energy consumption can be obviously reduced, and meanwhile, the equipment investment can be greatly reduced; meanwhile, solid waste resource utilization can be achieved, the risk of secondary pollution is reduced, and good economic and environmental benefits are achieved.

The invention discloses a self-adaptive adjustment method and system for the die-casting temperature of a die-casting die, and relates to the field of die-casting temperature adjustment, and the method comprises the steps: synchronously obtaining a real-time temperature data flow and a real-time control output flow of the die-casting die, and constructing a time sequence data model capable of representing the internal thermal dynamic characteristics of the die-casting die; on the basis, a depth time sequence prediction model is introduced, and the future temperature response track of the system is accurately deduced. Furthermore, process targets such as a temperature set value are fused, and a model predictive control framework is utilized to carry out prospective rolling optimization on future multi-step control output so as to solve an optimal control instruction sequence. And finally, taking the first instruction of the sequence as the actual control output of the current period. Therefore, the advanced and accurate output of the controlled quantity can be realized, and the thermal hysteresis effect is effectively overcome, so that the high-precision and high-stability self-adaptive adjustment of the die-casting temperature is realized.

The invention relates to the technical field of die casting cleaning equipment, in particular to an integrated die casting spray cleaning system which comprises a cleaning table, a feeding mechanism arranged on the cleaning table and a cleaning mechanism. The feeding mechanism comprises a feeding frame fixedly mounted on the cleaning table, a driving motor fixedly mounted on the feeding frame, a chain wheel coaxially and fixedly connected with an output shaft of the driving motor, a chain meshed with the chain wheel and a mounting plate fixedly mounted on the chain. According to the spraying and cleaning system for the integrated die casting, the cleaning mechanism is arranged to achieve comprehensive cleaning, meanwhile, the spraying head is driven to swing, and the cleaning area of the device is greatly increased.

The invention belongs to the technical field of integrated die casting, and relates to an integrated die casting forming method and system based on multi-magnetic-field coupling. The method comprises the steps that S1, metal raw materials are subjected to smelting, degassing modification and deslagging standing, and a metal melt is obtained; s2, in the inert gas environment, electromagnetic stirring is conducted on the metal melt; s3, the mold is subjected to mold heating, heat preservation and pressure maintaining, vacuumizing and release agent spraying; s4, the metal melt is pressed into a mold cavity for mold filling and solidification, a coupling magnetic field is applied to the metal melt, and an integrated die casting is obtained; wherein the coupling magnetic field covers a mold cavity and is used for improving the flowability of a metal melt during mold filling, inhibiting turbulent flow and refining the structure of the metal melt after solidification; the coupling magnetic field comprises a direct-current magnetic field and a pulsed magnetic field, the direct-current magnetic field penetrates through the metal melt from bottom to top, and the pulsed magnetic field penetrates through the metal melt from the side of the mold cavity. By means of the method, the high-quality integrated die casting can be manufactured.