386results about "Casting safety devices" patented technology

The invention discloses a reconfigurable casting process module hierarchical control method, which comprises the following steps of: firstly, acquiring a multi-source sensor data stream generated in a casting task execution process, the data comprising key process parameters such as temperature, pressure, flow velocity and the like; based on this data stream, an initial condition feature set for characterizing the dynamic condition is determined. And then, carrying out segmented working condition optimization processing on the feature set by utilizing a hierarchical decoupling regulation model, and obtaining an optimized working condition feature set through system coupling dissociation and random disturbance stripping. And finally, performing feature reconstruction processing on the optimization feature set, and generating an optimization control instruction accurately matched with the current casting process to adjust the pouring speed, the cooling rate or the pressure parameter in real time, thereby realizing closed-loop optimization control of the casting process. According to the method, the control precision and the process stability under complex working conditions are effectively improved.

The invention discloses a nickel-based single-crystal high-temperature alloy with high structure stability and a preparation method thereof, and relates to the technical field of high-temperature alloys. The nickel-based single crystal high-temperature alloy provided by the invention is prepared from the following components in percentage by mass: 5 to 7 percent of Al, 7.5 to 10 percent of Co, 5 to 7 percent of Cr, 0.1 to 0.2 percent of Hf, 0 to 2 percent of Mo, 5.5 to 7.5 percent of Ta, 0 to 1 percent of Ti, 8 to 10 percent of W, 0.02 to 0.05 percent of C, 0.003 to 0.005 percent of B and the balance of Ni. According to the invention, by controlling the ratio of elements and avoiding the addition of Re, the precipitation temperature of a harmful TCP phase is obviously reduced to about 840 DEG C on the basis of maintaining a sufficient solid solution strengthening effect, and the long-term stability of the structure is greatly improved. The high-temperature mechanical property of the alloy provided by the invention reaches the level equivalent to that of a traditional Re-containing second-generation single-crystal alloy and is remarkably superior to that of foreign Re-free single-crystal alloys MD2 and Rene N500, and the nickel-based single-crystal high-temperature alloy with high structure stability successfully realizes the unification of low cost and high performance, and is suitable for industrial production. And a reliable material solution is provided for manufacturing the heavy-duty gas turbine blade with higher market competitiveness.

The invention discloses a preparation control optimization method of a metal ytterbium target for an OLED (Organic Light Emitting Diode) display screen. The method comprises the following steps: acquiring impurity spectrum scanning data of a metal ytterbium raw material, analyzing impurity distribution characteristics and determining a melting control temperature; after a cast ingot is formed, the internal pore distribution condition is obtained, a pore density gradient field is constructed, a forging and pressing path planning vector is generated, and precise forging and pressing path design is achieved; in the forging and pressing process, forging and pressing vibration data and displacement data are collected in real time, the influence of vibration on cast ingot position deviation is analyzed, then vibration deviation correction is conducted on a forging and pressing path, and an optimized path plan is formed. And by iteratively optimizing the forging and pressing path, the density of the cast ingot is gradually improved and meets the preset requirement. The method effectively solves the problems of difficult impurity control, non-uniform pore distribution, forging and pressing deviation and the like in the preparation process of the metal ytterbium target material, and the purity and compactness of the target material are remarkably improved.

The invention relates to the technical field of resonant pouring castings, in particular to a method for improving the homogeneity of castings in all directions based on resonant pouring, which comprises the following steps: preparing a mold / casting mold, setting resonant parameters, pouring molten metal, maintaining resonance and solidifying, and detecting the homogeneity. Through the resonance effect, molten metal mold filling is uniform, the size qualification rate is increased, meanwhile, grain refinement can be promoted, the isotropic performance uniformity and stability of a casting are remarkably improved, the internal defect rate is greatly reduced, the comprehensive yield is increased, and energy consumption and cost are reduced.

The invention discloses a preparation device of a titanium hydrogen storage alloy for solid hydrogen storage, which comprises a vacuum induction melting system and an ultrasonic generation system, the vacuum induction melting system comprises a vacuum chamber, a melting mechanism and a heatable mold which are arranged in the vacuum chamber, and a vacuum pump communicated with the vacuum chamber; the ultrasonic generation system comprises an ultrasonic generator, an amplitude-change pole and an ultrasonic probe which are connected in sequence, one end of the ultrasonic probe extends into the vacuum chamber, and a mobile positioning system for controlling the position of the ultrasonic probe is arranged on the vacuum induction melting system; the invention further discloses a preparation method of the titanium hydrogen storage alloy for solid hydrogen storage. According to the device, the ultrasonic generation system is arranged, ultrasonic waves are applied in the raw material smelting process, segregation of the Ti element is effectively restrained, meanwhile, dendritic crystal arms are broken in the alloy solidification process, more nucleation sites are formed to refine grains, and the device is suitable for preparing the titanium hydrogen storage alloy for solid hydrogen storage.

A computer-implemented method of determining a material composition for manufacturing a product (500) is described. The method comprises receiving, at a computing device (100), one or more specification parameters (122) indicative of at least one of a material property, a manufacturing process for manufacturing the product, and a product property; determining one or more material composition recommendations for the material composition based on the received one or more specification parameters; and computing, for each material composition recommendation, one or more expected properties indicative of at least one of an expected material property of the respective material composition recommendation and an expected product property of the product manufactured from the respective material composition recommendation. The method further comprises computing, based on evaluating the one or more expected properties computed for each material composition recommendation against the received one or more specification parameter (122), a suitability measure indicative of a degree of suitability to manufacture the product (500) from the respective material composition recommendation.

The invention relates to the technical field of metal material surface engineering and equipment remanufacturing, in particular to an early acoustic emission diagnosis and laser cladding repair method for thermal fatigue cracks in a mold service process, which comprises the following steps: S1, synchronously acquiring and preprocessing multi-source heterogeneous data; stress wave signals are collected in real time through a broadband acoustic emission sensor array permanently integrated on the surface of a mold cavity, the frequency response range of the sensor is 100 kHz to 1 MHz, and the sensitivity is not lower than 95 dB. According to the method, accurate identification and positioning can be realized at the initial stage of crack initiation through multi-modal sensing fusion and a deep learning algorithm, the diagnosis accuracy is remarkably higher than that of a traditional offline detection method, and precious time is won for subsequent repair.

The invention relates to the technical field of ferrous metal casting, in particular to a gray cast iron preparation optimization method based on silicon-carbon coordinated regulation, which comprises the following steps: calculating a wall thickness sensitivity coefficient of a casting based on a target size of the casting so as to determine an actual silicon-carbon ratio of the casting; the method comprises the following steps: adding a synthetic cast iron raw material into an electric furnace for melting, adjusting the components to the actual silicon-carbon ratio to obtain molten iron, raising the temperature of the molten iron to 1500-1550 DEG C, standing for 3-5 minutes, determining inoculation parameter adjustment data according to the maximum temperature deviation and the actual silicon-carbon ratio in the standing process, pouring the molten iron into a preheated molten iron treatment ladle, and carrying out heat preservation for 3-5 minutes. Adding a silicon carbide inoculant before molten iron is discharged from the furnace; the silicon-barium inoculant is added for the first time after the molten iron is discharged into a molten iron treatment ladle; and the molten iron is poured into a pouring ladle for pouring forming, the silicon-barium nucleating agent is added for the second time along with flow when the molten iron is poured into a sand mold, and the gray cast iron is obtained after forming. The mechanical property and hardness uniformity of the gray cast iron are improved.

The invention provides fusible plug manufacturing equipment, and relates to the technical field of fusible plug manufacturing. The fusible plug manufacturing equipment comprises a box body provided with a containing cavity and a workbench, and the workbench is provided with a casting platform; the heating assembly is arranged in the containing cavity and located under the casting platform, and the heating assembly is used for heating the casting platform; the cooling assembly is arranged in the containing cavity and comprises a cooling plate and a cooling channel arranged in the cooling plate, the cooling plate is located between the casting platform and the heating assembly, and the cooling assembly can transfer heat generated by the heating assembly to the casting platform; the control assembly is arranged in the box body and used for controlling starting and stopping of the heating assembly and the cooling assembly. And the production efficiency of the fusible plug can be improved.

The application discloses a container ship valve body casting device with intelligent temperature control function and relates to the technical field of valve body casting devices. The container ship valve body casting device comprises a support, an electric sling, a moving beam, a pouring bag, a pouring table, a sliding frame and a hot-driven double-trip isolation curtain. The first and second limiters are alternately matched, so that the driving head reciprocates between the initial end and the end of the curved groove, and the cooling device is automatically started and stopped according to the pressure sensor signal, thereby realizing double-trip scraping of the isolation bevel and continuous collection of metal particles. The splashed metal liquid forms an oxide film in the air, the rough surface of the isolation bevel is bitten by the oxide film through surface depression, so that the splashed metal liquid can reliably adhere to the isolation bevel, thereby effectively reducing the risk of continuous splashing and diffusion. Part of the metal liquid adhering to the isolation bevel rolls downward along the bevel under the action of gravity and finally enters the collection groove, thereby realizing effective guidance and centralized collection of the splashed metal liquid.

The invention discloses a high-temperature alloy turbine blade directional solidification method based on multistage dynamic gas protection control. The high-temperature alloy turbine blade directional solidification method comprises the following steps that a high-temperature alloy mother alloy material is put into a crucible; filling inert gas to a preset pressure, heating the crucible, heating to a preset temperature, and keeping the temperature to ensure that the alloy liquid is liquefied; continuously filling inert gas to preset pressure and then refining, wherein a vibration generator generates a magnetic field in the refining process to carry out electromagnetic vibration on the alloy liquid; continuously filling inert gas to preset pressure, and then transferring the crucible; inert gas is continuously filled to preset pressure, then the crucible is tilted, pouring is conducted, and in the pouring process, a gas purging device sprays the inert gas to conduct purging protection on the alloy liquid; and continuously filling inert gas to preset pressure, and pulling the shell to finish the directional solidification process. The method can reduce the gas content in the melt, prevent the melt from being oxidized, promote the removal of a surface oxidation film, reduce pores and oxidation film inclusion, and improve the purity, mechanical properties and yield of the casting.

The invention relates to the field of molten aluminum flow control, in particular to a molten aluminum flow control structure and method of a mixing furnace and the mixing furnace. The molten aluminum flow control structure of the mixing furnace comprises a launder, an adjusting mechanism, a control box and a laser sensor, and the laser sensor and the adjusting mechanism are arranged above the launder; the laser sensor is used for obtaining the detected liquid level height of molten aluminum in the launder and sending the detected liquid level height to the control box. The control box controls the adjusting mechanism according to the preset liquid level height and the detected liquid level height so as to adjust the liquid level height of the molten aluminum. The liquid level of the molten aluminum is monitored in real time in combination with the laser sensor, the adjusting mechanism is accurately adjusted to control the flow of the molten aluminum, a closed-loop control system is formed, automatic and accurate adjustment of the flow of the molten aluminum is achieved, and therefore the product quality is remarkably improved, and safety risks caused by manual operation are thoroughly eliminated.

The invention relates to the technical field of investment casting, in particular to a method for reducing microporosity of a secondary aluminum alloy and an investment casting method. The method for reducing microporosity of the secondary aluminum alloy comprises the following steps that secondary aluminum alloy molten metal is poured into a mold shell, cooling and solidification are conducted after pouring is completed, and a casting is obtained; pressurizing a pouring chamber where the mold shell is located at the beginning of pouring, and stopping pressurizing until the molten metal is cooled to 400 DEG C; during pressurization, pressure is applied, so that the initial pressure P0 of the pouring chamber is 1.2-4 times of the standard atmospheric pressure. According to the method, in the pouring process of the secondary aluminum alloy molten metal, certain pressure is applied, so that microporosity of the surface and the interior of the secondary aluminum alloy casting can be greatly reduced, and the yield of the casting is greatly improved.

This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.

The invention relates to the technical field of metallurgical transportation equipment, and particularly discloses a permanent magnet motor planetary gear driving type molten iron tank car and a control method thereof.The permanent magnet motor planetary gear driving type molten iron tank car adopts a two-stage planetary gear transmission system arranged in series, power generated by a permanent magnet motor is input from a first-stage sun gear, and power generated by a second-stage sun gear is input from a third-stage sun gear; due to the fact that the planetary speed reduction structure has the speed reduction ratio, torque can be increased by several times on the aspect of power, torque maximization of the molten iron tank car is achieved, the bearing capacity and the transmission efficiency of the molten iron tank car are remarkably improved, the reliability and the stability of the car are improved, the service life of the car is prolonged, and the maintenance cost is reduced. And efficient operation of the molten iron tank car is guaranteed, the using effect of molten iron is improved, and the subsequent production efficiency is improved.

The invention relates to the field of intelligent manufacturing, in particular to a casting box opening efficiency intelligent optimization system and method integrated with an IoT sensor network, and the system comprises a data monitoring module, an abnormality feedback module, a data analysis module and an intelligent adjustment module, monitors and collects required data, determines a box opening hedging coefficient and a box opening instantaneous coefficient, and improves the efficiency of casting box opening. The method comprises the following steps: calculating a peeling vibration characterization value, judging whether a box opening state has an abnormal vibration tendency, and for the box opening state with the abnormal vibration tendency, calculating a box opening adjustment characteristic value in combination with a motion synchronization characterization value obtained through analysis and an impurity influence characterization value so as to judge whether the box opening state needs to be adjusted. And aiming at the box opening state needing to be adjusted, calculating an adjustment effective value, and determining a signal sending type. According to the method, internal factors and external factors causing vibration in the box opening process are analyzed, abnormal vibration tendency judgment and box opening state adjustment judgment are conducted on the box opening state, specific vibration in the box opening process is reduced, and the box opening efficiency is improved.

The application discloses a cam bearing cover casting device and a using method thereof, and relates to the technical field of casting equipment.The cam bearing cover casting device comprises a casting seat and a casting box arranged on the casting seat and used for casting a cam bearing cover, and further comprises a lifting assembly, a casting unit, a micro-vibration assembly and a cooling assembly.The lifting assembly is internally provided with an upper casting mold.The casting unit comprises the micro-vibration assembly and the cooling assembly.The micro-vibration assembly is internally provided with a lower casting mold matched with the upper casting mold, and the upper casting mold and the lower casting mold are both internally provided with a forming cavity used for forming the cam bearing cover.The cooling assembly is internally provided with a water cooling box filled with condensed water.The cam bearing cover casting device has the advantages that the cam bearing cover casting device can effectively remove the air bubbles in the casting liquid by using the micro-vibration mode while the casting liquid is poured, and the air holes in the cam bearing cover after forming can be avoided;and the cooling mode of liquid cooling combined with air cooling can realize efficient gradient heat dissipation, and the cooling forming efficiency of the cam bearing cover is effectively improved.

The application discloses a kind of copper alloy ingot preparation method and system for eliminating casting bubble, comprising: copper alloy raw material is dry degreasing pretreatment;The raw material after pretreatment is melted to obtain copper water, and two-stage heat preservation is selectively executed according to the reducing gas content in copper water: when the reducing gas content in copper water is greater than the first preset threshold, first-stage micro-oxidizing atmosphere heat preservation, second-stage reducing atmosphere heat preservation are sequentially executed;When the reducing gas content in copper water is not greater than the first preset threshold, only the second stage is executed, copper water degassing and deoxidation are realized;Copper water after deoxidation and degassing is low-temperature casting, and the depth of pipe embedding, carbon black coverage, copper water liquid level state and directional solidification cooling are controlled during casting process, to realize directional discharge of bubble.The application reduces gas generation from the source through multi-link cooperative control, strengthens deoxidation and degassing in intermediate process, optimizes exhaust condition in casting stage, and realizes significant reduction of copper alloy ingot bubble content.

This invention provides a mold cooling system and method that can detect the boiling of the liquid refrigerant used to cool the mold at an early stage and control the cooling conditions of the mold. [Solution] The mold cooling system according to the present disclosure is a mold cooling system that cools a mold by flowing a liquid refrigerant through a refrigerant channel formed in the mold, and comprises a pressure acquisition means for acquiring the pressure value of the refrigerant in the refrigerant channel, and a boiling determination means for determining whether or not the refrigerant is boiling based on the pressure value, wherein if the pressure value exceeds a threshold, the boiling determination means determines that the refrigerant has boiled.

The application discloses a high-compression-strength high-plasticity iron-based alloy and a preparation method and application thereof, and relates to the technical field of high-performance metal structural materials.The application provides an element composition of the high-compression-strength high-plasticity iron-based alloy; the microstructure of the alloy comprises a Fe2Nb Laves phase network structure distributed along grain boundaries and an intracrystalline nanometer-scale composition modulation structure; the room-temperature compression yield strength of the high-compression-strength high-plasticity iron-based alloy is not less than 2000 MPa, and the compression fracture strain is not less than 30%. The application further provides a preparation method and application of the alloy. The application forms a multi-level micro-nano strengthening structure in-situ in an alloy block through a specific non-equilibrium solidification process, so that the alloy simultaneously has ultrahigh strength and high plasticity under compression load, and can be applied to high-pressure-resistant structural parts, and effectively solves problems of a complicated preparation process of traditional high-strength materials, high strength necessarily accompanied by low plasticity and the like.

This invention relates to the field of casting technology, and more particularly to an efficient casting process based on a high-strength cast pouring cup outer frame. The casting process includes acquiring process state parameters at detection points, obtaining outer frame thermal field parameters and interface pressure field parameters, fusing them to generate a comprehensive pouring feature vector, inputting it into a process state recognition model, determining the current process state category and outputting the category confidence score, thereby obtaining a process category selection set and an accurate recognition rate to determine whether the recognition result meets the standard; selecting the corresponding process state category from the selection set and determining the corresponding compensation degree, thereby performing compensation control operations; finally, determining the control efficiency index based on the re-acquired process state parameters after the compensation control operation, and determining whether to adjust the preset compensation degree until the control effect meets the standard. This invention solves the problem of isolated process parameters and inability to adaptively adjust in existing technologies, effectively improving the demolding success rate and reducing the casting defect rate.

The application discloses a kind of safety automatic control flow's casting equipment, including melt pool, aluminium water inlet pool and pump chamber, melt pool is connected to aluminium water inlet pool by aluminium water channel in furnace, pump chamber is connected with aluminium water inlet pool by bottom inlet channel, impeller is provided in pump chamber, aluminium water outlet channel is connected with aluminium water steady flow pool above pump chamber, aluminium water steady flow pool bottom is provided with steady flow pool flow eye, steady flow pool flow eye is connected with outlet flow groove, steady flow pool flow eye outer end is provided by the plug head for plugging steady flow pool flow eye;Method, S1: melt raw material in melt pool, obtain aluminium water;S2: aluminium water flows into to pump chamber, then flows into to aluminium water steady flow pool;S3: aluminium water in aluminium water steady flow pool, flow into to outlet flow groove;S4: aluminium water in outlet flow groove flows into to corresponding aluminium piece casting tray, corresponding need to be manufactured aluminium piece can be obtained;Effect: method structure is novel, steady flow pool flow eye and melt pool are not directly communicated, increase insurance for aluminium casting safety, guarantee safety.

The invention relates to the technical field of casting molds, and discloses a steel casting casting mold which comprises a fixing frame, a machining table is fixedly arranged on the upper surface of the fixing frame, a driving assembly is installed on the upper surface of the machining table and comprises a first rotating plate, and a machining box is rotationally connected to the outer wall of the first rotating plate. A plurality of first fixing columns are fixedly connected into the processing box, first sliding columns are slidably connected into the first fixing columns, air bags are attached to the outer walls of the first sliding columns, first magnetic blocks are fixedly connected to the top ends of the first sliding columns, and second magnetic blocks are magnetically attracted to the sides, away from the first fixing columns, of the first magnetic blocks. Through overturning of the machining box and sliding of the piston rod, in the demolding process, firstly, the machined steel part is overturned to be changed into the vertical state from the horizontal state, then ejection demolding is conducted through the piston rod, a traditional single demolding mode is changed, the adhesion resistance between the steel part and a mold is reduced, and the demolding speed is increased.

A method of sampling a molten metal, the method comprising: pouring a stream of the molten metal; moving a plurality of sample pots under the molten metal stream during pouring, whereby a portion of the molten metal stream is poured sequentially into each of the plurality of sample pots and repeating such that each sample pot holds multiple portions of the molten metal stream; and heating the plurality of sample pots during the pouring process such that the molten metal within the plurality of sample pots remains molten during the pouring process.

The application discloses an intelligent production scheduling method of a foundry processing production line, and particularly relates to the technical field of production line intelligent production scheduling, and through time sequence collection of multiple source production elements and energy consumption-temperature-output correlation mapping, a scheduling feasible space capable of dynamically sensing thermal field changes is constructed; on the basis, a multi-objective weight self-adaptive drift mechanism is introduced, so that the scheduling algorithm can self-adjust the weight according to the actual load and energy consumption gradient, and continuous self-correction of the optimization direction of the beat and energy consumption is realized; further, in combination with optimization direction phase offset evaluation and scheduling shock risk index calculation, active identification and inhibition capacity of the chain instability phenomenon of 'energy consumption lag-weight drift-direction shock' is formed, so that the optimization process still maintains convergence and stability under dynamic conditions, and through embedding the risk index into the scheduling iteration process, a penalty correction is implemented on the optimization direction.

The invention relates to the field of intelligent manufacturing systems of aluminum alloy casting workshops, in particular to a molten aluminum supply production line for aluminum alloy low-pressure casting and a control method of the molten aluminum supply production line for aluminum alloy low-pressure casting. And the optimization model is solved in combination with the operation process and logic of the molten aluminum supply production line, so that the optimal solution of the operation parameters of the multiple devices is obtained. Besides, when the optimization model is solved, a pause probability model is introduced, and the optimal solution of the operation parameters under the target of achieving the minimum cost in the operation process of the molten aluminum supply process is obtained under the condition that pause is introduced. According to the aluminum liquid supply process proactive optimization method provided by the invention, the optimization model and the solving method based on the multi-agent simulation and meta-heuristic algorithm are constructed, so that the efficient optimization of the operation parameters is realized, and the purposes of reducing cost and improving efficiency are remarkably achieved.

The application discloses a kind of automatic control methods of lost foam production line, it is related to the field of lost foam production, solve the technical problem that existing lost foam casting adjustment method change type advantage is small, flexibility is low and efficiency is low.The method is, set material number, the sand box on current process production line is assigned to the material number, and the material number is checked by material number circulation mistake-proof checking mechanism;When judging material number is normal value, then carry out material number circulation process;When process production line or sand box appears failure and needs to change material number, trigger material number temporary change mechanism;When sand box completes box turning action, the material number corresponding to sand box is output to subsequent process production line and the material number corresponding to sand box on current process production line is emptied.The application solves the technical problem that existing lost foam production line has no actual material number to track sand box, improves the flexibility and work efficiency of operation, reduces the probability of processing process problem.

The utility model discloses a continuous casting tundish tipping device which is characterized by comprising a power device, a tipping rack, a clamping device, a supporting device, a pressure sensor, a cold steel processing device, a stroke control device, a tundish and a workbench. Through cooperation of the power device, the tipping rack, the clamping device, the supporting device and the like, a stable tipping structure is formed. Dangerous conditions such as falling after tipping are effectively avoided.

The invention discloses an aluminum alloy melt rapid and uniform cooling device and method.The aluminum alloy melt rapid and uniform cooling device comprises a box body, an upper cooling unit, a lower refrigeration cycle unit and a control unit, the upper cooling unit is provided with a plurality of independent controllable coolers, and each independent controllable cooler comprises a heat insulation protection sleeve, a spiral heat exchange pipe, a heat conduction sleeve and a crucible from outside to inside; a thermocouple arranged in a quartz tube at the bottom of the crucible extends to the geometric center of the melt for real-time temperature measurement, the lower part adopts a high-temperature and low-temperature cascade loop for cooling, a safety branch is connected in parallel to maintain low-load operation of the compressor, and a control unit dynamically regulates and controls an electromagnetic valve, the compressor and an expansion valve through a PLC based on temperature measurement data. According to the cooling method, precise temperature control is achieved through system self-inspection, graded starting, temperature threshold value switching and safe shutdown, the multiple melts can be synchronously, rapidly and evenly cooled, the internal temperature difference is reduced, component segregation and structure non-uniformity are restrained, sampling consistency is guaranteed, and reliable support is provided for aluminum alloy melt quality evaluation.