27 results about "Pressure die casting" patented technology

The invention discloses a special ultrahigh corrosion-resistant high-pressure cast aluminum alloy for marine equipment and a preparation process of the special ultrahigh corrosion-resistant high-pressure cast aluminum alloy. The aluminum alloy is designed by taking aluminum as a matrix and synergistically adding silicon, magnesium, various transition elements and rare earth elements of cerium and lanthanum in a specific proportion. The preparation process sequentially comprises the steps of smelting and refining, high-pressure die casting, heat treatment and surface treatment. Through the unique component design and the systematic combination of the whole-process technology, the high-pressure casting manufacturability of the alloy is kept, meanwhile, the marine corrosion resistance and the mechanical property are comprehensively improved, and the alloy is suitable for structural parts such as marine ship engine parts in the severe environment.

The application relates to a main body of an aluminum die-casting machine oil filter, which comprises an aluminum main body formed by high-pressure die casting, is provided with a filter element mounting seat for mounting a filter element and a radiator mounting position for mounting a radiator, and is provided with a radiator oil inlet, a radiator oil outlet, a radiator coolant inlet and a radiator coolant outlet in the radiator mounting position; the radiator oil inlet and the radiator oil outlet are communicated through a first pipeline; and an opening groove, which is not communicated with the radiator oil inlet, the radiator oil outlet, the radiator coolant inlet and the radiator coolant outlet, is arranged on one side of the main body in the radiator mounting position; and a reinforcing structure connected with the first pipeline is arranged in the opening groove. The main body is provided with the opening groove, gas holes formed in the die-casting process are reduced, material is saved, the oil filtering effect is good, and heat dissipation is achieved.

The utility model belongs to the technical field of die casting quality inspection, and discloses a suspension bracket device for assisting die casting quality inspection, which comprises a support vertical rod, a counterweight seat is mounted at the bottom end of the support vertical rod, a power motor I is fixedly connected to the inner surface of the counterweight seat, a worm is fixedly connected to the output end of the power motor I, and a worm is fixedly connected to the output end of the worm. A worm gear is connected to the outer surface of the worm in a meshed mode, a rotating shaft is fixedly connected to the inner surface of the worm gear in a sleeved mode, and the top end of the rotating shaft penetrates through the balance weight base and is fixedly connected with the supporting vertical rod. According to the device, the degree of freedom of lifting, horizontal moving and rotating of the hanging frame is given to the device, meanwhile, under the cooperation effect of the clamping assembly, die castings can be automatically and accurately carried to a quality inspection table from a cleaning machine and then carried to the position above a packaging box, manual intervention is greatly reduced, and the production efficiency is remarkably improved.

The present invention relates to hot work tool steel for high-pressure die casting, and contains the following main components (weight %): C 0.28-0.39, Si 0.05-0.35, Mn 0.1-0.8, Cr 5.4-6.0, Ni ≤0.4, Mo 1.8-2.5, V 0.6-1.1, with the remainder being optional components, Fe and impurities.

The application belongs to the technical field of insulator production, and particularly relates to a synthetic silicon rubber insulator and a processing method thereof. In view of the problem that too much excess silicon rubber mud is extruded on a table top in the process of manufacturing a silicon rubber insulator, resulting in serious waste of the mud and inconvenience of recycling, the following scheme is proposed, which comprises a core rod, the two ends of the core rod are reserved with end column with a diameter larger than the middle diameter, and the middle of the core rod is wrapped with a plurality of outer layer insulating strings connected in a disc shape, and the outer layer insulating strings are pressure die cast from synthetic silicon rubber material. The application can not only reserve a large space when the core rod wrapped with raw materials is placed and the synthetic silicon rubber insulator body is taken, so as to facilitate operation, but also can be supplemented by the operation of a supplementing barrel for supplementing if there is a gap in the mold cavity in the first round of pressure die casting, so as to ensure that the mold cavity is completely filled, so that the amount of silicon rubber mud extruded outside in the traditional way can be greatly reduced, and waste can be reduced.

This invention relates to the field of alloy materials and surface treatment technology, and discloses a high-quality anodized die-cast aluminum alloy formula. The high-quality anodized die-cast aluminum alloy formula comprises, by mass percentage: silicon ≤0.3%, iron ≤0.15%, magnesium 0.3%-0.8%, manganese 0.2%-0.5%, copper 0.01%-0.05%, strontium-titanium composite grain refiner 0.05%-0.15%, with the balance being aluminum and impurities; the mass ratio of strontium to titanium is 1:(2-5); it is obtained through melting, argon refining, low-pressure die casting, pretreatment, and anodizing. This method reduces the silicon-iron content, adds a strontium-titanium composite grain refiner to refine the grains, eliminates impurity phases, and solves the problems of color difference, pinholes, and film peeling after anodizing, obtaining a uniform and dense film and improving gloss.

The application provides an aluminum-scandium alloy target blank and a preparation method thereof, and belongs to the technical field of aluminum-scandium alloy preparation. The preparation raw material corresponding to the element composition of the aluminum-scandium alloy target blank is melted to obtain an alloy melt; the alloy melt is pressed into a mold to perform rapid filling; the filling speed is 0.1-20 m / s, and the filling time is 0.01-2 s; after the filling is completed, pressure maintaining is performed, the alloy melt in the mold rapidly solidifies to obtain the aluminum-scandium alloy target blank; and the pressure maintaining pressure is 10-200 MPa. The application increases the flowability of the aluminum-scandium alloy melt through rapid filling, guarantees the integrity of the cast blank, effectively refines the grains through high-pressure die casting, improves the density, and obtains an aluminum-scandium target blank which is uniform in composition, compact in structure, and excellent in processing performance. The results of the examples show that the relative density of the aluminum-scandium target blank prepared by the application is 95.5-99.9%, and the oxygen content is 60-300 ppm.

This invention discloses a quantitative molten metal feeding device for a die-casting machine that offers stable flow and easy maintenance. The device includes a slurry tank, a valve core module, a cylinder, a connecting shaft, a plunger rod, and a probe module. The valve core module comprises a guide tube, a small end cap, and a large end cap. The guide tube is assembled inside the large end cap. The small end cap and guide tube together can move vertically within the central through-hole of the large end cap. Through-holes A and B are respectively provided on the sides of the guide tube and the large end cap. When the valve core module extends from the bottom of the large end cap, the molten metal sequentially enters the slurry tank through the valve port at the bottom of the guide tube, through-hole A, and through-hole B. When the valve core module retracts from the bottom of the large end cap, the molten metal is sealed and stored inside the slurry tank. This invention achieves stable quantitative molten metal feeding and allows for faster recovery after power outages. The molten metal valve port has an anti-collision structure, ensuring that even if the device experiences a violent collision with the die-casting machine or the ground during operation, the high-temperature molten metal inside will not leak, making it safer to use.

The utility model relates to the technical field of vehicle bodies, and provides a vehicle body rear structure and a vehicle. The vehicle body rear structure comprises a rear wheel cover inner plate, a rear floor longitudinal beam and a rear shock absorption tower, the rear shock absorption tower is integrally formed in a die-casting mode, and the lower portion of the rear shock absorption tower is connected to one side of the rear floor longitudinal beam and extends towards the lower portion of the rear floor longitudinal beam. According to the vehicle body rear structure, the rigidity of the rear shock absorption tower and the non-deformability and rigidity of the vehicle body rear part can be improved, the performance of the vehicle body rear structure is improved, meanwhile, the production efficiency is improved, the production cost is reduced, and the market competitiveness of the whole vehicle can be improved.

This invention provides a low-expansion die-cast aluminum alloy with the following composition and component content by mass percentage: Zn: 40-45%; Mg: 15-20%; Y: 0-0.5%; balance Al. This invention also discloses the smelting and preparation process, vibration casting process, and high-pressure die-casting process of the above-mentioned aluminum alloy. The specific steps are: high-temperature melting of the aluminum alloy, melt modification treatment, refining and slag removal, mechanical vibration treatment, and high-pressure die casting. The preparation process of the eutectic Al-Zn-Mg die-cast aluminum alloy of this invention is simple and easy to implement, the amount of alloying elements added is easy to control, the comprehensive performance effect is significant, the industrial production cost is low, and it has wide applicability. This invention uses element modification and mechanical vibration to refine the α-Al phase, achieving multi-dimensional optimization of the alloy's thermal expansion coefficient, thermal conductivity, and flow filling properties, obtaining a low-expansion eutectic Al-Zn-Mg die-cast aluminum alloy for electronic packaging materials.

The application discloses a kind of high thermal conductivity high strength aluminum alloy material and preparation method thereof, it includes the following steps: S1: weighing according to percentage by weight: La, Sc, Zr, Si, Mg, Zn, Cu, Ti, B, Sr, Al, Fe, Mn;S2: Al, La, Si is melted at 720~750 DEG C, and first melt is obtained;S3: add Sc, Zr, Ti, B intermediate alloy, and second melt is obtained;S4: cooling to 700~710 DEG C, and Mg, Zn, Cu are stirred evenly, and third melt is obtained;S5: by gas dispersion stirring, reinforcing phase is added, and simultaneously ultrasonic auxiliary treatment is handled, and composite melt is obtained;S6: vacuum high-pressure die casting is formed, and die casting is obtained;S7: pre-aging and main aging treatment are sequentially carried out, and it is obtained immediately.The application realizes the high thermal conductivity and high strength of aluminum alloy, and can meet the long-term durability and stability requirements of high-end fields such as 5G communication, new energy automobile and the like to heat dissipation structural member.

The application provides a high-pressure die casting press, which comprises a die unit; one end of an oil cylinder is arranged at one end of the die unit to drive the die unit to move towards or away from a die casting die, and the oil cylinder is electrically connected to a hydraulic system; a shot system is connected to the other end of the die unit to press high-pressure semi-liquid metal; a main winding frame is provided with a space for mounting the oil cylinder, the shot system and the die unit; and a periphery of the main winding frame is wound with a steel wire to pre-tighten the main winding frame and make it in a compressive stress state. The application is convenient for flexible design of a column structure and a cross section, can achieve a frame support with a larger tonnage, and can meet the production requirements of super-large die castings; the oil cylinder is wound with the steel wire to offset the deformation of a movable die plate, a fixed die plate and a die during a forming and pressurizing process, reduce the size of the oil cylinder, and enhance the safety factor of the oil cylinder; an electrostatic spraying system is configured to meet the trace spraying requirements of large-size die castings; and a moving die changing platform is configured to solve the problem of difficult die changing of super-large molds.

The invention relates to the technical field of metal casting, and discloses a balanced runner and injection speed control method of a multi-cavity mold, which is used for solving the problem of insufficient self-adaptive control precision of real-time injection speed in a traditional method. The method comprises the steps that firstly, after a die casting machine is started, parameters such as melt pressure and temperature are collected and transmitted to a control system, the parameters are aligned and compared with a preset balance runner model to complete difference analysis and unbalanced positioning, and then an injection speed adjusting instruction is generated and issued to an injection mechanism to be executed; the speed curve of the injection plunger is switched between a low-speed stage and a high-speed stage according to conditions; the control system compares feedback data with a target equilibrium state in an observation window, completes convergence, continuity and execution consistency judgment, selectively iterates according to residual errors until a period is finished, forms a period file and updates cross-period parameters and versions; the method is suitable for high-pressure die casting of aluminum alloy steering knuckles and ensures process stability and adaptability.

The utility model relates to pressure die casting machine technical field especially relates to a kind of waste gas treatment equipment for pressure die casting machine, including the spray tower connected with processing box by pipeline, the processing mechanism of multiple purification waste gas is provided in the processing box, the spray cleaning mechanism of residual liquid cleaning is provided in the spray tower. The utility model is processed by setting processing mechanism, in the process of treating waste gas, the particulate matter in waste gas is filtered and handled using multiple filtering mode, and vibration can also be carried out to filter structure, and the adhered particulate matter is shaken off, to avoid frequently replacing filter screen to increase waste gas treatment cost, also can improve the efficiency of waste gas treatment, by setting spray cleaning mechanism, after waste gas is preliminarily treated, waste gas is further treated by the way of spraying, improve the treatment effect of waste gas, and after spray treatment is completed, residual spray liquid can also be removed, to avoid the influence caused by residual spray liquid to waste gas treatment.

The application belongs to the technical field of alloy preparation, and more particularly relates to a modular semi-solid forming method and system of a particle-reinforced magnesium-based composite material. By modular mixing a liquid magnesium alloy melt and reinforcing body particles, the particles are mixed in a first module mixing chamber at a first rotating speed for a first time at a temperature higher than the liquidus temperature of the magnesium alloy, then are transported to a preheated second module mixing chamber to be mixed at a second rotating speed for a second time, and are cooled to a temperature range between the liquidus and solidus of the magnesium alloy during the mixing, and then are transported to a preheated third module mixing chamber to be mixed at a third rotating speed for a third time. Through the collaborative mixing between the module mixing chambers, the reinforcing body particles can be uniformly dispersed. Finally, the semi-solid composite slurry prepared by mixing is pressure die cast, and a high-performance particle-reinforced magnesium-based composite material is obtained. The semi-solid forming process has the advantages of simple preparation process, short production process, and excellent mechanical properties of the product.

The invention discloses an intermediate alloy for controlling microscopic residual stress of a large casting and a preparation method. The intermediate alloy comprises the nominal components of 0.6%-8% of Ti, 0.2%-3% of B and the balance Al and impurities. Wherein the mass ratio of Ti to B is (2-2.2): 1. The average size of TiB2 particles of the prepared intermediate alloy is 200-400 nm, and the particle size distribution is more uniform; the TiB2 particles are approximately equiaxed, so that stress concentration can be effectively avoided. The Brownian movement of the intermediate alloy added into an aluminum melt is violent, the particle dispersion effect is good, serious specific gravity segregation does not exist, and the regulation and control effect of TiB2 particles on the microcosmic residual stress can be effectively exerted. The intermediate alloy can be applied to a plurality of actual scenes such as high-pressure die casting size precision control, extrusion casting part hot crack control, low-pressure casting part surface defect and feeding control and the like, the casting production efficiency is improved, and the production cost is reduced.

The application discloses a method for manufacturing an iron-based alloy ceramic composite wear-resistant material by a high-temperature and high-pressure die casting method, and comprises the following steps: S1, preparing a ceramic preform; S2, heating iron-based alloy liquid to 1620 DEG C, and pressing the iron-based alloy liquid into the ceramic preform by a press machine, and keeping the pressure for 2 minutes; then, cooling and forming, and taking out after being kept in a holding furnace for 12-24 hours, and obtaining the composite wear-resistant material after being cooled to normal temperature; and S3, performing heat treatment on the material obtained in the step S2. The application can produce a new composite material, i.e., an iron-based ceramic composite wear-resistant material, which simultaneously considers various performances of the wear-resistant material and greatly improves the comprehensive performance of the product, smelts higher than a traditional smelting temperature, and uses liquid lead as a coolant to cooperate with a composite material mold, so that the cooling effect meets the process requirement.

The invention relates to the field of metallurgy, namely, to aluminium-based alloys, and can be used in the production of complex thin-walled castings by casting into a metal mould, mainly by high-pressure die casting. The casting aluminium-based alloy contains, wt. %: calcium 2.0-5.2%; silicon 0.05-0.8%; iron 0.05-1.0%; zinc 0.01-5.0%; magnesium 0.01-2.0%; optionally, at least one alloying element from the group: copper 0.01-1.4%; manganese 0.01-1.5%; chromium 0.01-0.2%; titanium 0.01-0.2%; zirconium 0.01-0.2%, aluminium and unavoidable impurities. This invention is technically aimed at providing high strength properties while maintaining plasticity, processability in casting and high corrosion resistance.

The application provides a cooking equipment, comprising: a base; a heating part, the heating part is arranged in the base; a baking tray assembly, the baking tray assembly is connected with the base, at least part of the heating part is arranged at the bottom of the baking tray assembly, and the heating part is used for heating the baking tray assembly, wherein the baking tray assembly has a cooking unit, the cooking unit is used for cooking food, and the cooking unit is integrally pressure die cast by a multilayer composite material, and the application solves the technical problems of poor heat conduction uniformity, insufficient structural strength, inconvenient cleaning of joint gaps, and poor cooking effect of food caused by single performance of single-layer material and split joint forming of multilayer material of the baking tray of the existing cooking equipment in the prior art.

The utility model discloses a new energy automobile steering gear die casting which comprises a steering gear casting body, an external ring sleeve is arranged on the outer surface of the steering gear casting body in a sleeved mode, a connecting block is arranged on the inner wall of the external ring sleeve in a surrounding mode, a cavity is formed in the connecting block, a connecting rod is fixedly arranged in the connecting block, and the connecting rod is fixedly connected with the external ring sleeve. Guide rods are arranged on the opposite sides of the two connecting rods, damping ball blocks are fixedly arranged on the opposite sides in the two connecting blocks, and guide grooves are formed in the opposite sides of the damping ball blocks. According to the new energy automobile steering gear die casting, by arranging an external ring sleeve, a damping ball block, a damping spring and a guide rod, when the new energy automobile steering gear die casting is used, the outer surface of the whole casting can be protected, so that the protection effect of the casting is overall improved, the situation that the casting is damaged due to collision is reduced, and convenience is brought to a user; the practicability of the device is improved, and the use requirements of users are met.

The invention discloses a low-pressure die-casting molten aluminum conveying system, and relates to the technical field of low-pressure casting equipment. The inlet end of the heating launder is communicated with the liquid outlet of the molten aluminum storage equipment, and the heating launder is provided with a plurality of liquid discharging connectors; the plurality of low-pressure three-groove furnaces are respectively connected with the plurality of liquid discharging interfaces of the heating launder in a one-to-one correspondence manner; the low-pressure three-groove furnace comprises a pressurizing chamber, a liquid inlet cavity is formed in the side, close to the heating launder, of the low-pressure three-groove furnace, an opening in one end of the liquid inlet cavity is communicated with the liquid discharging connector, and an opening in the other end of the liquid inlet cavity is communicated with a liquid inlet of the pressurizing chamber. The liquid stop valve mechanism is arranged at the liquid inlet of the pressurizing chamber and is used for controlling the opening or closing of the liquid inlet of the pressurizing chamber; and the liquid outlet chamber communicates with the pressurizing chamber and is used for supplying molten aluminum to the die-casting equipment. According to the low-pressure die-casting molten aluminum conveying system, the technical problems that an existing manual transfer mode is low in efficiency, and heat of molten aluminum is prone to loss in the transfer process are solved.

The utility model relates to front cabin pressure die casting piece port shaping field discloses a kind of aluminium alloy front cabin pressure die casting piece port deformation shaping auxiliary equipment, including processing table, the upper portion of processing table is provided with clamping mechanism;The clamping mechanism includes drive assembly, and the drive assembly includes driving motor, and the driving motor is arranged in the right surface of processing table, and the output shaft of the driving motor is fixedly connected with double-end threaded rod, and the outer wall of the double-end threaded rod is threadedly connected with guide plate;The clamping mechanism further includes fixed component, and the fixed component includes stopper.The utility model in, through driving motor drives double-end threaded rod rotation, makes guide plate drive clamping plate and clamp block synchronous movement, realize the clamping of left and right direction, and utilize the cooperation of chute and the clamping of rear direction with clamp block inclined plane, to satisfy the adaptive clamping of front and rear and left and right four sides, ensure that pressure die casting is stable, effectively promote the stability when shaping operation.

The injection system comprises a charging barrel, an injection rod, an injection head and a vacuumizing device, the injection rod and the injection head are connected through a connector, the injection head can be movably arranged in the charging barrel in the axial direction, and the outer wall of the injection head and the inner wall of the charging barrel are sealed through a first sliding sealing piece; the device is characterized in that the outer wall of the connector and the inner wall of the charging barrel are sealed through a second sliding sealing piece, the first sliding sealing piece and the second sliding sealing piece are arranged at intervals in the axial direction, the connector is provided with an annular concave cavity, and the annular concave cavity is located between the first sliding sealing piece and the second sliding sealing piece; a first vacuumizing air channel is arranged in the injection rod, and one end of the first vacuumizing air channel is used for being connected with a vacuumizing device. A second vacuumizing air channel is formed in the connector and used for communicating the first vacuumizing air channel with the annular cavity in a sealed mode. The injection system has the advantage that air entrainment in the die-casting process can be effectively reduced through the injection system of the structure.

The utility model relates to the technical field of die-casting dies, in particular to a pressure-resistant aluminum profile preparation die-casting device which comprises a machining table, a connecting cover, a shielding cover and a sliding block, a fixed die is installed on the outer wall of one side of the machining table, a movable die is installed on one side of the outer wall of the fixed die in a sliding mode, and the connecting cover is arranged between the fixed die and the movable die. The device comprises a connecting cover, shielding covers are arranged on the outer walls of the two sides of the connecting cover, an atomizing nozzle is arranged in the connecting cover, fixing bases are symmetrically installed on the outer walls of the two sides of the connecting cover, limiting rods are installed in the fixing bases in an interference mode, supporting frames are connected to the outer walls of the upper sides and the lower sides of the shielding covers through screws, and rolling wheels are rotatably installed in the supporting frames. The sealing between the fixed mold and the movable mold in the spraying process of the atomized mold release agent is ensured, the spraying range can be limited, the atomized mold release agent is prevented from scattering all around, and the spraying effect of the atomized mold release agent on the inner walls of the mold cavities of the movable mold and the fixed mold is ensured.

The utility model belongs to the technical field of tuners, and particularly relates to a novel tuner shell structure, which comprises a main shell and an F-head shell, the main shell and the F-head shell are respectively integrally formed by die casting, the F-head shell is fixed on the main shell after die casting, the F-head shell comprises a fixed connecting plate and an F-head tube body, and the fixed connecting plate is fixed on the F-head tube body. According to the novel tuner shell structure provided by the utility model, the main shell and the F-head shell are respectively formed by die-casting and then are connected and fixed for the second time, and a plurality of main shells can be formed by one-time die-casting, so that the working efficiency can be greatly improved, the die design is relatively simple, and in addition, the cost is reduced. The F head shell and the main shell are in secondary connection, so that the main shell can be connected and matched with F head shells of different specifications, the main shell can be produced by adopting a unified mold in a unified specification, the production cost is reduced to a certain extent, and the production and the manufacturing are convenient.

The utility model relates to the technical field of high-pressure die casting, in particular to a high-pressure casting runner system of a large-area hollow structural part. Comprising a fixed die sleeve plate, a fixed die core fixed in the middle of the fixed die sleeve plate, a forming cavity formed in the middle of the fixed die core, a main pouring gate communicating with one side of the forming cavity, a slag discharging part communicating with the periphery of the forming cavity and an exhaust part communicating with the outer side of the slag discharging part. An inner pouring gate of the main pouring gate is arranged at the bottom of the peripheral surface of the forming cavity, and the forming cavity comprises a circular cavity and a special-shaped cavity which are integrally formed. According to the scheme, by optimizing the arrangement positions of the main pouring gate and the inner pouring gate, breakthrough is achieved from the two aspects of forming quality and efficiency, and the forming defect risk is reduced; and the metal liquid filling path is shortened, the filling time is saved, the die-casting period is optimized with the minimum filling distance, and the production efficiency is remarkably improved.

The utility model relates to the technical field of pressure casting sprayers, in particular to a connecting rod type sprayer for pressure casting, which comprises a pneumatic control box, a connecting rod mechanism, a translation mechanism and an atomizing mechanism, and the atomizing mechanism comprises a lower shell, a splitter plate, a plurality of electromagnetic valves, two pneumatic control valves, a plurality of atomizing nozzles and a plurality of quick drain valves. When atomization demolding is carried out, spraying and demolding are carried out through a plurality of atomizing nozzles, and through the arrangement of a plurality of quick drain valves, the situation that water enters a two-position five-way valve and the two-position five-way valve is damaged when an air source and the plurality of atomizing nozzles are damaged and return water enters the two-position five-way valve can be prevented, so that the device adopts a plurality of inner diameters to enlarge the pipe diameter, the air quantity is stable and the pressure drop is low in the spraying process; the mold release agent has the advantages of simple structure, strong explosive force, excellent atomization effect, double release agent consumption cost, double operation speed and double service life. And as the atomization effect is good, the use amount of the release agent is small.