2055 results about "Die casting" patented technology

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 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 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 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.

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 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 image processing, in particular to an aluminum alloy die casting surface defect detection method based on machine vision. The method comprises the steps of obtaining a grayscale image of the surface of a die casting; constructing a Gaussian scale space of the grayscale image, and obtaining scale images under a plurality of scales; calculating a defect saliency index corresponding to each pixel point in the grayscale image based on the multi-scale image, and generating a defect saliency map; and performing threshold segmentation on the defect saliency map to obtain a segmented image, performing morphological processing identification on the segmented image, and determining the position of a surface defect area. According to the invention, missed detection and false detection in the surface detection process of the aluminum alloy die casting can be reduced.

The invention discloses a precision casting die-casting process dynamic optimization system based on an industrial internet of things, and particularly relates to the field of die-casting processes. Comprising a sensing equipment deployment module, a casting initialization module, a die-casting process extraction module, a casting image acquisition module, a casting quality evaluation module, a die-casting process analysis module, a process optimization module and a parameter feedback module. According to the method, the deviation degree is calculated by calling the initial process parameters, the surface and the interior of the casting are perceived after the casting is die-cast, then the casting quality optimization model is constructed, the optimized second demand process parameters are obtained, the process parameters are updated and the model is adjusted when the model deviation is verified on the basis of the optimized parameter landing effect, and the casting quality is improved. Therefore, a complete closed loop of production, optimization and feedback is formed, the influence of manual detection errors on the quality judgment consistency can be avoided, and the after-sales failure risk and the maintenance cost of the market can be reduced on the premise of guaranteeing the delivery quality of castings.

The invention discloses a magnesium alloy die casting punching device, which belongs to the technical field of punching and comprises a base, a punching seat is slidably connected onto the base, a driving mechanism is connected onto the punching seat, the driving mechanism drives the punching seat to move, an ultrasonic vibration generator is arranged on the punching seat, and a punching tool bit is fixedly connected onto the ultrasonic vibration generator. A blanking hole is formed in the base and located under the punching tool bit, after the magnesium alloy die casting is fixed to the base, the ultrasonic vibration generator transmits vibration to the punching tool bit, and the punching tool bit punches the magnesium alloy die casting. The punching tool bit is subjected to ultrasonic vibration, burrs generated in the punching process are effectively reduced, the appearance quality and the size precision of the magnesium alloy die casting are improved, effective breakage of the roots of the burrs can be achieved, the burrs are removed more thoroughly, the qualified rate of products is increased, an additional deburring technology is not needed, the production efficiency is improved, and the production cost is reduced. And meanwhile, the production cost is also reduced.

The invention discloses a surface corrosion-resistant invar alloy precision strip for a liquid cargo cabin of a liquefied natural gas carrier and a manufacturing method. The surface corrosion-resistant invar alloy precision strip comprises the following components: 35.6%-37.1% of Ni, 0.35%-0.80% of Si, 0.05%-0.10% of Ce, 0.015%-0.030% of C, less than or equal to 0.35% of Mn, 0-0.0008% of O, less than or equal to 0.01% of N, less than or equal to 0.003% of S, less than or equal to 0.005% of P, less than or equal to 0.20% of Cr, less than or equal to 0.20% of Cu, less than or equal to 0.05% of Al, less than or equal to 0.003% of Ti and the balance of iron and inevitable impurity elements. According to the formula, through EAF, AOD, LF, continuous casting or die casting, hot continuous rolling or solid solution pickling after forging, cold rolling in multiple rolling processes, annealing and protective film prefabrication treatment, the temperature range of the prepared material is about 1.5-1.8 * 10 <-6 > / DEG C from-163 DEG C to 20 DEG C, the yield strength Rp0.2 value is larger than or equal to 300 MPa, the tensile strength Rm value is larger than or equal to 480 MPa, the ductility A50 is larger than or equal to 35%, surface corrosion does not occur within the machining period or storage and transportation time of 15 days under the conventional condition, and the service life of the material is prolonged. And particularly, the risk of surface rusting in the processing, storage and transportation processes is greatly reduced.

The invention relates to a cast-rolling casting nozzle with an electric-magnetic coupling oscillation effect. Relates to a cast-rolling casting nozzle with an electromagnetic oscillation effect, which is matched with a horizontal double-roller cast-rolling machine in the field of aluminum alloy die casting. The method is used for solving the inevitable internal macrosegregation defect of the high-alloy-content aluminum alloy cast-rolled product. The device comprises an L-shaped electrode pair 1; a side seal 2; an excitation device 3; a guide plate 4; a cooling water pipe (inlet / outlet) 5; a copper enameled wire (excitation) 6; a countersunk self-tapping screw 7; a casting nozzle upper plate 8; a rhombic shunting block 9; a nozzle lower plate 10; and a casting nozzle bottom plate 11. In the casting and rolling process, an oscillating electric field and a steady magnetic field are introduced, electromagnetic coupling force is generated at the outlet end of a casting nozzle, the electromagnetic force effectively stirs a semi-solid aluminum alloy melt, and therefore the purposes that alloy is evenly distributed, and segregation defects are reduced or even eliminated are achieved. The method is used in 4-series, 6-series and 7-series aluminum alloys, and the effect is obvious.

A vehicle structure includes a structural body, in which a pair of wheel houses and a floor panel are integrally formed by die casting. The floor panel includes a frame connection portion, to which an inboard end portion of the frame is connected. Each wheel house includes: a concave surface portion that faces outward in a vehicle width direction; and a convex surface portion that is formed on a back side of the concave surface portion. The concave surface portion is disposed so as to face outward in the vehicle width direction, and a part of a wheel is housed in the concave surface portion. The concave surface portion has a horizontal rib that extends along a horizontal plane and rises toward an outer side in the vehicle width direction.

The invention relates to the technical field of die casting intelligent manufacturing, and discloses an online monitoring and process compensation method and system for residual stress and deformation of a die casting. The method comprises the following steps: embedding a distributed temperature-stress composite sensor array in a mold cavity, and synchronously acquiring temperature and stress signals; after the signal is purified, a space-time correlation matrix is constructed to quantify a thermal-mechanical coupling relation; identifying a stress distribution mode through a support vector machine model, and positioning a fluctuation abnormal region; analyzing a defect mechanism based on mutual information and Granger causality test, and calculating a pore formation probability in combination with fluid dynamics simulation data; matching the pore high-risk location with a historical crack correlation model to generate a crack prediction index; and performing inversion optimization on the mold filling speed and pressure parameters by using the potential quality hazard evaluation function. Real-time monitoring of residual stress and deformation in the die-casting process, defect dynamic traceability and process online optimization are achieved, and air hole and crack defects are effectively restrained.

The invention discloses a multi-sliding-block die structure for a box shell die casting and a die casting method thereof.The die structure comprises four sliding blocks which are located on the four side faces of the die structure correspondingly and used for achieving four-side touch-through forming; the interior of at least one sliding block is cut to form an inclined small sliding block, and the small sliding block and the sliding block form a nested core-pulling structure which is used for forming a reverse groove or hole rib structure on the side face; the feeding hole is formed in the upper die and is used for injecting molten metal from the upper part; and an inductor is configured and used for controlling the small sliding block to exit before the sliding block in the demolding process, so that graded demolding is realized. The problem that a traditional single sliding block cannot process a groove / hole forming an included angle with the main demolding direction or forming a reverse direction with the main demolding direction is solved, and demolding with deeper features is completed while lateral core pulling is achieved through the nested small sliding block; and the small sliding block is tightly matched with the sliding block, so that the size precision and the surface quality of formed fine structures such as reverse grooves and thin ribs are ensured.

The present application discloses a magnesium alloy unit including a work table, a melting cylinder attached to the work table, a transport mechanism, and an injection unit, wherein the transport mechanism cooperates with the melting cylinder, and the injection unit cooperates with the transport mechanism, and when die-casting a magnesium alloy, the magnesium alloy unit is configured to perform a first step in which the transport mechanism transports magnesium particles to fill the melting cylinder, which then smelts the magnesium particles to form molten metallic magnesium, and a second step in which the injection unit cooperates with the transport mechanism to inject the molten metallic magnesium from the injection head of the melting cylinder into the die-casting machine body. A dual-unit die-casting machine is also disclosed.

The invention relates to the technical field of image processing, in particular to a die casting surface quality detection method and system based on machine vision, and the method comprises the steps: obtaining a surface image of a die casting, and carrying out the preprocessing of the surface image; and based on the surface roughness of each pixel point, the surface image is segmented into a plurality of sub-regions, and the surface roughness represents the local texture complexity of the pixel point. According to the method, the image is partitioned according to the surface roughness, the defect significance degree is calculated by combining the edge geometric features and symmetry analysis of each region, then the optimal analysis parameter is dynamically generated for each image sub-region, and the parameter adaptive mechanism enables the algorithm to intelligently distinguish the inherent texture and the real defect of the product, so that the product quality is improved. The detection accuracy is greatly improved, and the problems of high false alarm rate and high missing report rate in the prior art are effectively solved.

The invention discloses a multi-precision and multi-objective optimization design method and system for an integrated die-cast floor, and aims to solve the problems that multi-objective demand design is difficult to carry out and the design period is long in a traditional method. The method comprises the following steps: establishing a multi-objective optimization mathematical model; initializing a multi-precision evaluation data archiving set; a multi-target optimization mathematical model is decomposed into single-target sub-problems, and multi-target optimality conflicts are avoided; fusing the evaluation data with different precisions and the related information of the sub-problems, and establishing a multi-precision multi-task agent model; implementing multi-precision agent assisted evolution search to obtain an optimal candidate population; carrying out two-stage candidate solution selection based on non-dominated sorting and expected density estimation, and screening a high-quality solution set with convergence and target diversity to update an archive set; and after the specified algebra is optimized on line, an optimal solution set is output. According to the method, multi-objective optimization design of the floor after integrated die casting can be rapidly carried out, the design efficiency is improved by 50.0% compared with a traditional method, and the solution set multi-objective comprehensive index is improved by 15%.

The present invention discloses a dual accumulator oil passage system for a die casting machine, which belongs to the technical field of die casting machine control. The dual accumulator oil passage system includes an injection cylinder and an accumulator, and further includes a booster accumulator. The booster accumulator includes a booster chamber and an annular chamber. The booster chamber is connected to a rodless cavity of the injection cylinder. The accumulator is connected to the annular chamber of the booster accumulator via a first servo valve. The annular chamber is connected to an oil tank via a second servo valve. The rod-equipped cavity of the injection cylinder is connected to the oil tank via a third servo valve. In this technical solution, the first and second servo valves form an A-bridge control for the boost accumulator, and by controlling the pressure in the annular chamber of the boost accumulator, the magnitude of the boost injection force of the injection cylinder can be controlled. The third servo valve can control the oil discharge from the rod-equipped cavity of the injection cylinder, thereby controlling the injection speed of the injection cylinder. This technical solution can achieve accurate control of the injection speed and injection force by using only three servo valves.

The invention discloses a high-toughness heat-treatment-free die-casting aluminum alloy and a performance regulation and control method, and the method mainly comprises the following steps: (1) alloy components are optimized, elements such as 8.0-11.0% of Si, 0.3-0.8% of Mg and the like and trace metamorphic elements are contained, and the impurity content is controlled; (2) during smelting, firstly adding Ti-B intermediate alloy to refine grains, then adding Sr to modify eutectic Si, and controlling the temperature and the heat preservation time; (3) controlling parameters such as die temperature and charging barrel temperature during die casting; (4) after die casting, the average cooling rate of the casting reaches 50-150 DEG C / s by regulating and controlling cooling water; and (5) paint spraying and baking are conducted on the casting, and the temperature, time and heating rate are controlled. The method does not need heat treatment, simplifies the process, reduces the cost, enables the casting to be good in toughness and uniform in performance, is suitable for batch production of large complex structural parts, and can be applied to the fields of new energy automobiles and the like.

The invention discloses a water jacket insert for die casting of an integrated conformal cooling runner, relates to the technical field of metal casting, and aims to solve the technical problem that an existing water jacket insert cannot achieve differential cooling. The water jacket insert comprises an insert body, the conformal cooling runner is formed in the insert body, and a plurality of flow control mechanisms are arranged in the runner; and each group comprises at least two flow control assemblies. The flow control assembly is movably arranged on the limiting assembly and provided with magnetic matching blocks, and the magnetic pole orientations of the magnetic matching blocks in the same set are different. A driving mechanism is arranged on the mold and is used for driving the magnetic control mechanism to generate a direction-controllable external magnetic field. And the external magnetic field acts on the magnetic matching block to drive the flow control assemblies in the same group to generate opposite deflection motion, so that the flowing state of fluid in the flow channel is changed, the insert has at least two different cooling working modes, and active switching between strong cooling and rapid cooling is achieved. The problem that a traditional conformal cooling flow channel cannot be dynamically adjusted is solved, and the flexibility, uniformity and reliability of die-casting cooling are remarkably improved.

A vehicle structure includes a structural body, in which a pair of wheel houses and a floor panel are integrally formed by die casting. The floor panel includes a frame connection portion, to which an inboard end portion of the frame is connected. Each wheel house includes: a concave surface portion that faces outward in a vehicle width direction; and a convex surface portion that is formed on a back side of the concave surface portion. The concave surface portion faces outward in the vehicle width direction, and a part of a wheel is housed therein. The concave surface portion has an inclined rib that is disposed above the frame connection portion, that extends from a lower portion of an outboard side toward an upper portion of an inboard side in the front-rear direction of the vehicle, and that rises toward an outer side in the vehicle width direction.

The invention discloses a method for producing martensite heat-resistant steel G115 for an ultra-supercritical power station based on electroslag remelting. The method comprises the following steps that S1, an electrode bar is obtained through EAF electric furnace smelting, LF refining, VD vacuum treatment and electrode die casting; s2, the electrode bar is subjected to electroslag remelting to obtain an electroslag ingot, a CaF2-Al2O3-CaO ternary slag system is adopted in the electroslag remelting process, Al powder, Si-Ca powder and B-Fe powder are added into the slag system, and argon protection is adopted in the whole process; and S3, after the electroslag ingot is demolded, annealing treatment is conducted. Smelting is conducted through the EAF electric furnace smelting technology, the LF refining technology, the VD vacuum treatment technology, the electrode die casting technology and the electroslag remelting technology, the problems of precise control over the easily-burnt element B and the gas content N and solidification structure segregation are solved, the product performance is further improved, and the welding process window is improved.

The invention discloses a hydraulic clamp for automobile die castings, which belongs to the technical field of automobile die castings and comprises a base provided with a positioning protrusion. The number of the fixing supporting pieces is three, the fixing supporting pieces are installed on the positioning protrusion, the three fixing supporting pieces form an equilateral triangle layout on the positioning protrusion, and the automobile die casting is fixedly supported; and the floating supporting pieces are installed on the positioning protrusions and used for supporting the automobile die casting in a floating mode, the fixed supporting pieces are arranged along the edge of the cavity, and the floating supporting pieces are oppositely arranged in the positioning protrusions. According to the hydraulic clamp for the automobile die casting, precise positioning of the automobile die casting is achieved, the positioning precision is high, the stable machining requirement of the automobile die casting is met, the structure is stable and reliable, all structural elements are high in standardization degree and convenient to manufacture, install and maintain, the automobile die casting can be usually and rapidly placed in and taken out, and the operation efficiency is improved.

The invention relates to the technical field of metal casting, and discloses a smelting and casting method of a high-toughness regenerated aluminum alloy, which comprises the following steps: measuring the iron content of a regenerated aluminum melt, regulating and controlling the manganese-iron ratio, heating the melt to 750-790 DEG C, and carrying out overheating treatment to eliminate a hereditary core; cooling to 630-645 DEG C, applying a mechanical shear flow field with the average shear rate not lower than 60s <-1 > in the interval, stripping a diffusion boundary layer on the surface of the iron-rich phase crystal nucleus by utilizing fluid drag force, breaking dendritic crystals, and separating out in a polyhedral or spherical manner; according to the method, through active intervention of a critical shear flow field, the problem of needle-like growth of an iron-rich phase caused by solute diffusion blocking in a traditional technology is solved, in-situ generation of the harmless iron-rich phase in the high-iron-content secondary aluminum is achieved, the obdurability of a die casting is improved, and dependence on the purity of raw materials is reduced.

The invention discloses rapid die casting equipment for aluminum alloy die castings, and relates to the technical field of aluminum alloy die casting, the rapid die casting equipment comprises an injection molding support and an injection molding device arranged on the injection molding support, a mold forming part is arranged in the injection molding support, and a driving part used for driving the mold forming part to be opened and closed is further arranged on the injection molding support; the mold forming part comprises a movable mold, a fixed mold, a built-in fixed mold and a built-in movable mold, the built-in fixed mold is arranged at the press-fit end of the movable mold, the built-in movable mold is arranged at the press-fit end of the fixed mold in an attached mode, flow channels are formed in the movable mold and the fixed mold, a vent groove is formed in the built-in movable mold, and the built-in movable mold is arranged in the vent groove. Meanwhile, mechanical ejection and vibration demolding are achieved, the demolding efficiency and the success rate are remarkably improved, pneumatic demolding is achieved, deformation or damage caused by too large local stress can be effectively prevented, and the demolding success rate is greatly increased through the synergistic effect of mechanical vibration and pneumatic stripping.

A process of forming an erosion, oxidation, and wear resistant shot chamber, either a gooseneck or a shot sleeve, is provided. The process utilizes a casting process for forming a one-piece shot chamber having a liner metallurgically bonded to the bulk portion of the shot chamber. Channels of predetermined shape and layout are built on the tubular external surface of the liner for facilitating thermal management of the shot chamber during die casting operations.