1030results about "Casting safety devices" patented technology

The invention relates to the technical field of alloy pouring processes, in particular to a magnesium alloy heterogeneous flow overall coordination pouring process which comprises the steps of conducting pouring numerical simulation through simulation software, optimizing pouring design and determining a composite flow guide structure, a mold temperature control scheme and an alloy component regulation and control strategy. Magnesium alloy smelting and refining are conducted; preheating the mold by using an intelligent temperature control system; during the period, the intelligent temperature control system monitors and adjusts the temperature of the mold, and the online alloy adding system and the impurity adsorption filtering device keep the components of the melt uniform and pure; and after pouring is completed, controlling the mold temperature according to a preset cooling curve to slowly and uniformly solidify the melt. The design of the bionic branch-shaped flow dividing structure, the dynamic adjustable flow guide plate and the like reduces casting defects, and the casting forming quality is improved. And on-line alloy adding and impurity adsorption filtering ensure that melt components are stable, and the casting performance is improved.

The invention discloses a casting shape / property regulation and control device and method based on a casting mold temperature control technology, and relates to the technical field of intelligent casting. The invention aims to solve the problems of uncontrollable limitation of a traditional casting solidification control technology in a casting solidification process and low yield of a thin-wall casting process. According to the casting shape regulation and control technology based on the casting mold temperature control technology, the casting mold temperature field is controlled before casting mold filling, and mold filling of a complex thin-wall casting is facilitated; the casting solidification process is controlled through the cooling medium, the mechanical property of the casting is improved, and the casting quality is improved. The invention can obtain the casting shape / property regulation and control device and the regulation and control method based on the casting mold temperature control 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 an intelligent cooling system for rapidly cooling a casting, and relates to the technical field of casting cooling. An intelligent cooling system for rapidly cooling a casting comprises a geometric perception module, a cooling template module, a cooling execution module, a dynamic regulation and control module, a resource circulation module, a cooling template iteration module and a data precipitation module. According to the method, the geometrical characteristics of the casting are accurately sensed, heat conduction and heat dissipation function modeling are combined, an initial cooling template is established, and the pertinence and scientificity of a cooling strategy are improved; three cooling units of air cooling, spray cooling and liquid cooling are arranged, differentiated regulation and control are carried out based on a heat dissipation distribution diagram of a space partition, and accurate cooling control over multiple areas of a complex casting is achieved.

The invention relates to the technical field of casting automation control, and discloses a sand-box-free vertical parting casting casting automation control system and method. A data acquisition module of the system obtains casting process parameters such as a casting actual temperature value, a casting mold pressure value, a molten metal flow rate value and a parting surface state value; the dynamic modeling module constructs a casting field variable matrix based on the parameters and outputs dynamic casting correction parameters; the stability evaluation module calculates an actual casting resistance value by using the dynamic casting correction parameters, and generates a casting flow deviation index in combination with a preset target casting resistance value and an actual molten metal flow rate; and the closed-loop compensation module executes a double-channel compensation strategy according to the casting flow deviation index, outputs a pressure compensation value and a flow speed compensation value to compensate an actual casting resistance value, and feeds back a compensated result to the dynamic modeling module to realize dynamic adjustment. According to the system, through multi-module cooperation and closed-loop control, precise dynamic control over the casting process is achieved, and the quality stability of castings is improved.

The invention relates to the technical field of precision casting, and discloses a high-precision control method for stainless steel castings, which comprises the following steps: preparing raw materials, recording component characteristics of the raw materials, designing a formula proportion of the raw materials, carrying out pouring process design, and setting a parameter control system in each link of pouring, according to the shape of the needed stainless steel casting, mold design and manufacturing and mold quality control are carried out, grinding tool design parameters are recorded, a stainless steel casting solidification process simulation model is established according to raw material component characteristics, a raw material formula proportion, a designed pouring process and the mold design parameters, and the casting solidification process is simulated in the model. The method comprises the following steps: predicting a defect area in a casting production process, carrying out advanced prevention and optimization treatment on the defect area according to the predicted defect area in the casting production process, strengthening a refining degassing operation in a casting process, further carrying out a metal solution purification step after refining degassing, and demolding the casting, and the mold is cleaned, checked and maintained in time.

The invention discloses an intelligent temperature control type casting mold, and relates to the technical field of casting molds. A cooling mechanism is fixedly arranged at the center position of the top face of the bearing base and comprises a cooling frame, and the cooling frame is fixedly installed at the center position of the top face of the bearing base. Wherein preheating mechanisms are fixedly arranged on the left side and the right side of the upper portion of the bearing base correspondingly, each preheating mechanism comprises a preheating frame, and the preheating frames are fixedly installed on the left side and the right side of the top face of the bearing base. According to the intelligent temperature control type casting mold, in the combining process of the upper mold body and the lower mold body, through overturning of the preheating mechanism, the mold cavities on the upper side and the lower side are heated, the situation that the temperature difference between the mold cavities and materials is too large, and the service life is affected is avoided; and cracks caused by rapid cooling are avoided, and the casting forming precision and the temperature control effect are improved.

The invention relates to the technical field of detection systems, in particular to an intelligent detection system and method for a casting cooling system, and the system comprises a data collection unit which collects a data set in the working process of the casting cooling system, detection data of the stability of the cooling system and detection data of cooling liquid in the cooling system are obtained; the data integration unit is used for integrating the collected data groups according to a time sequence and forming an information packet; the information transmission unit is used for converting information in the data packet into a digital signal and transmitting the digital signal; through intelligent and automatic detection and control means, the defects in detection and control of a traditional cooling system are effectively overcome, the stability, flexibility and adaptability of the cooling system are improved, and then the quality and production efficiency of castings are improved.

The invention discloses a method and system for keeping the liquid level of tundish molten steel in the automatic casting process of a casting machine, in the automatic casting state of the casting machine, the large ladle molten steel flows into a tundish through a large ladle nozzle, the tundish molten steel flows into a crystallizer through a tundish nozzle, and the opening degree Vz of the large ladle nozzle influences the flow Qz of the molten steel flowing into the tundish; the tundish nozzle opening Vm influences the flow Qm of the molten steel flowing into the crystallizer, the flow Qz of the molten steel flowing into the tundish and the flow Qm of the molten steel flowing into the crystallizer jointly determine the weight Wz of the molten steel in the tundish, the weight Wz of the molten steel in the tundish is kept within a certain range by controlling the large ladle nozzle opening Vz, and therefore the liquid level of the molten steel in the tundish is kept. According to the invention, the liquid level of the tundish molten steel is kept in a manner of controlling the opening degree of the ladle nozzle, and the consistency of each casting flow process parameter is ensured, so that the success rate of automatic casting of a casting machine is increased.

The invention belongs to the field of rotor silicon steel sheet aluminum casting production, and particularly relates to an automatic production line and a production method for rotor silicon steel sheet aluminum casting. A rotor silicon steel sheet stacking device, a middle mold conveying device, a first suction cup device, an aluminum casting room, a second suction cup device, a first clamping device and a second clamping device are sequentially arranged. Wherein the rotor silicon steel sheet stacking device is used for placing rotor silicon steel sheets on a silicon steel sheet stacking tray on the lower die conveying device; the first sucker device installs the upper die on the lower die and the rotor silicon steel sheet, and the second sucker device is used for dismounting the upper die; the first clamping device is used for disassembling the middle mold; and the second clamping device is used for moving the cast-aluminum rotors to the conveyor belt on one side of the rotor stacking device. The mold can be recycled, meanwhile, automation of the whole production line is achieved, manual intervention can be remarkably reduced, and the intelligent level of the production process is improved.

The invention relates to a microstructure prediction method of a high-entropy alloy, a directional solidification process optimization method and a preparation method of a high-entropy alloy bar. The microstructure prediction method comprises the following steps: calculating and extracting physical property parameters of the high-entropy alloy through JMatPro software; the physical property parameters are input into parameter setting of COMSOL software, and the induction melting process of the high-entropy alloy is simulated through the COMSOL software until a completely-molten high-entropy alloy melt is obtained; the directional solidification process of the high-entropy alloy melt is simulated through ProCAST finite element software, and the microstructure of the high-entropy alloy under the corresponding technological condition is obtained. According to the method, through joint simulation of JMatPro, COMSOL and ProCAST software, prediction of the whole process from material attributes to the smelting process to the microstructure is achieved, and a more efficient and low-cost technical approach is provided for prediction, research, development and preparation of the microstructure of the high-entropy alloy.

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.

A method for predicting the mechanical properties of a casting part based on the flow distances of an aluminum alloy melt, a method for designing a casting die for mega casting, and an aluminum alloy casting part produced through the casting die thus designed. By applying the method, the mechanical properties of the large components produced by mega casting within a specified process parameter window, especially at a specified injection speed, can be predicted and controlled, thereby the automation in automobile manufacture is improved, and the design and properties of the mega-casting products are optimized.

The invention relates to a large-scale high-temperature alloy blank casting method capable of controlling the casting size, and belongs to the technical field of high-temperature alloy casting. Measuring a temperature curve of the sand mold after the high-temperature alloy is poured; a process model is created, simulation software is used for carrying out stress deformation simulation, a part model of the casting is created, the simulation result of the part model and the simulation result of the process model are compared, the reduced scale, correction and the machining amount are adjusted in real time, and the process model is obtained; manufacturing a process pattern according to the process model, and producing a sand mold by utilizing the process pattern; creating a sand core model, inputting sand mold temperature curve parameters into simulation software, carrying out sand core deformation stress simulation, measuring sand core deformation stress, and manufacturing a core box according to the sand core model; a core bar is manufactured according to the design, the manufactured core bar is placed in a core box, and a sand core is manufactured; demolding the sand core; combining the sand core with the sand mold to obtain a casting cavity; and molten steel is poured into a casting cavity, and a casting blank is formed after cooling and solidification.

The utility model relates to a casting cooling auxiliary device which comprises a base, a gas transmission assembly, a control valve and a plurality of guide pillars are arranged on the base, the gas transmission assembly comprises a plurality of gas outlets arranged at intervals, the control valve is arranged on one side of the gas transmission assembly, a contact switch is arranged on the top of the control valve, and the guide pillars are arranged on the guide pillars. A gas transmission assembly is arranged on the base, a movable plate is arranged above the gas transmission assembly, a plurality of ventilation grooves are formed in the movable plate, the movable plate is installed on the guide columns in a sliding mode, the guide columns are sleeved with elastic pieces, and the two ends of each elastic piece abut against the base and the movable plate respectively. According to the casting heat dissipation device, heat dissipation can be conducted on a plurality of castings at the same time through the air conveying assembly, compared with the prior art, the heat dissipation speed is higher, the heat dissipation effect is better, the control valve and the movable plate capable of automatically resetting are arranged, the castings only need to be taken and placed in the working process, the air conveying assembly can automatically blow air to the castings, other operation is not needed, and the work efficiency is improved. Operation is simpler and more convenient, and efficiency is higher.

The invention relates to a titanium alloy component preparation method and device and a flow guide pipe radius confirmation method, and relates to the technical field of negative pressure suction casting. The titanium alloy component preparation method comprises the steps that raw materials are smelted in stages based on the preset smelting power P1 of the raw materials till the heating temperature reaches the preset pouring temperature T, carrying out heat preservation on the smelted raw materials; based on the smelting power P2 of the blocking piece, the blocking piece is smelted in a staged mode till the blocking piece is completely smelted within a preset time period; and negative pressure is applied to a mold, and negative pressure mold filling is conducted on the mold through the molten blocking piece material and the molten raw materials. By adopting the technical scheme, the technical problems of long mold filling time and serious heat loss existing in an existing casting mode of combining smelting and crucible tilting weighting can be solved.

An AI system is adapted to receive at least one parameter to be optimized for an article or its production. The AI system processes the to-be-optimized parameter and generates an operating condition for a first phase of production. The AI system processes the operating condition, and generates an AI operating parameter for processing the aluminum. The production equipment associated with the first phase processes the aluminum accordingly, wherein there is an operating parameter for obtaining aluminum having an optimized quality characteristic at the end of the first phase, and wherein having the production equipment performing the AI parameter generates a deviation. Through the deviations over the different phases, the general production is prioritized over the phases of productions.

Provided herein is a system and method for parameter value determination of direct chill casting using artificial intelligence. The system may employ one or more image sensors configured to capture images of a surface of a direct chill cast billet or ingot, where the images depict one or more casting anomalies. A first machine learning model configured to process images is configured to identify, within the images, casting anomalies along with metrics of the casting anomalies or anomalies can be directly input to the first machine learning model. The casting anomalies are identified by the first machine learning model, classified through conditional statements according to anomaly type and scale. A second machine learning model is configured to process the casting anomaly type and scale as an input along with most parameters and set-up conditions that can cause the anomaly to generate changes to parameter values of the direct chill casting process to reduce or eliminate the casting anomalies.

The invention relates to the technical field of single-crystal high-temperature alloys, in particular to a control method for dendritic crystal spacing in the growth process of a multi-layer module single-crystal high-temperature alloy. The method comprises the following steps: fixing a pre-prepared multi-layer module single crystal alloy ceramic shell with a graphite center column on a water-cooling copper disc of a liftable bracket of multi-layer module directional solidification equipment; after the mother alloy is smelted, standing is conducted, and the smelting furnace is controlled to pour alloy liquid into the multi-layer module single crystal alloy ceramic shell; and the multi-layer module single crystal alloy ceramic shell filled with the alloy liquid is pulled into the solidification cavity under the driving of the transmission device, so that directional solidification is realized, and the small-dendrite-spacing single crystal high-temperature alloy test bar is obtained. According to the method, under the condition of not changing the casting process, the problems of overlarge dendritic crystal spacing and isotherm inclination caused by the shadow effect of radiation heat dissipation in the directional solidification process of the multi-layer module single crystal high-temperature alloy are solved, and the qualified rate of large-batch production of single crystal blades is effectively increased.

The invention discloses an automobile gearbox shell casting device, and relates to the technical field of automobile shell casting, the automobile gearbox shell casting device comprises a door-shaped support, the inner wall of the door-shaped support is fixedly provided with a lower mold through a plurality of connecting rods, the bottom surface of the lower mold is provided with a bottom plate, an upper mold is arranged above the lower mold, and the upper mold is fixedly connected with the door-shaped support. An air cylinder is fixedly installed on the top face of the door-shaped support, and the output end of the air cylinder is connected with the top face of the upper die. The cooling adjusting assembly is arranged in the lower mold, the cooling adjusting assembly comprises a main cooling pipe, the distance between the cooling pipe and the casting shell can be dynamically adjusted by arranging the cooling adjusting assembly, and the casting quality of the gearbox shell is remarkably optimized by combining real-time temperature and thickness detection; and aiming at the problem of local overheating or supercooling caused by wall thickness difference, the device can adaptively adjust the cooling intensity, so that a thick-wall area is quickly cooled, and a thin-wall area is prevented from being supercooled.

The utility model belongs to the field of electroslag casting, and is specifically an electroslag casting device for three-dimensional variable curved surface complex shape castings such as turbine generator blades. The device includes: a guide electrode, a flexible electrode, a casting bottom pad, a slag layer, a casting bottom pad and a crystallizer insulation layer, and a crystallizer. The specific structure is as follows: a guide electrode is provided in the crystallizer cavity of the crystallizer, and the upper end of the guide channel in the guide electrode is the flexible electrode inlet. The flexible electrode is arranged in the guide channel in the guide electrode through the flexible electrode inlet. A casting bottom pad is provided at the bottom opening of the crystallizer cavity. The lower part of the guide electrode and the flexible electrode corresponds to the casting bottom pad. The casting bottom pad and the lower end of the guide electrode and the flexible electrode are between the casting bottom pad and the lower end of the guide electrode and the flexible electrode. The utility model solves the problem of complex shape castings, and is particularly applicable to the manufacture of three-dimensional variable curved surface complex shape castings such as turbine generator blades by electroslag casting, and broadens the application scope of electroslag casting technology.

The invention relates to the technical field of investment mold shell casting, in particular to an investment mold shell casting system which comprises a rack, a slurry barrel, a roasting furnace, a cooling barrel and a slag collecting barrel are sequentially installed on the rack in the clockwise direction, and multiple sets of regularly-distributed elastic striking rods are installed on the inner wall of the slag collecting barrel. A loading and unloading station is arranged at the position, corresponding to the position between the slurry barrel and the slag collecting barrel, of the machine frame, a casting frame is installed on the machine frame in a liftable mode, a transmission unit is arranged on the casting frame, and the transmission unit is in transmission connection with a rotating station frame capable of periodically rotating by 72 degrees and a rotatable transmission gear ring. The casting equipment has the beneficial effects that casting links such as ceramic slurry coating, roasting, cooling and slag collecting are integrated into the same equipment, and the orderly circulation of a parison among the links is realized through the slurry barrel, the roasting furnace, the cooling barrel and the slag collecting barrel which are sequentially arranged on the rack in the clockwise direction and the rotary station frame capable of periodically rotating.

The invention relates to the technical field of pouring devices, in particular to a pouring system for casting, which comprises a seat plate, a stand column, a vertical plate and a guide rod are arranged above the seat plate, a top block is arranged at the top of the stand column, a spring sleeves the surface of the stand column, a vertical plate, a bottom plate and an extension plate are respectively arranged on the side surface of the seat plate, and a cylinder body is arranged on the vertical plate. A ridge plate is arranged above the lifting plate, a top plate is arranged on one side of the ridge plate, an upper mold and a first induction block are arranged at the bottom of the top plate, a lower mold is arranged below the top plate, a connecting plate is arranged at the bottom of the lifting plate, and rolling wheels are rotationally connected to the connecting plate. The mold has the beneficial effects that the mold opening and closing operation is tedious, the efficiency is low, the labor intensity is high, and the safety risk and product quality problems caused by pouring when the mold is not completely closed in the casting metallurgy production process can be solved.

The invention provides a control method, device and system of a molten iron transportation system and electronic equipment, and relates to the technical field of molten iron car control. The method comprises the following steps: acquiring a motion distance and a motion constraint condition between a starting position and a target position of the molten iron transport vehicle; wherein the motion constraint conditions comprise the maximum speed, the sliding speed and the shortest sliding distance; the shortest sliding distance is smaller than the movement distance; determining a first acceleration control strategy according to the maximum speed and a preset S-shaped speed curve, and determining a second acceleration control strategy according to the maximum speed, the sliding speed, the shortest sliding distance and the preset S-shaped speed curve; wherein the preset S-shaped speed curve is constructed according to a sinx * sinx function; and determining a target control strategy according to the movement distance, the first acceleration control strategy and the second acceleration control strategy, and generating a power drive control instruction of the molten iron transport vehicle according to the target control strategy. The stability of the molten iron transport vehicle can be improved, and molten iron splashing is avoided.

The invention discloses equipment and a process for producing a cast aluminum-magnesium alloy, and relates to the technical field of metal material casting, the equipment comprises a smelting unit, a casting unit and a demolding unit; according to the smelting unit, the alloy purity is improved through a resistance-type smelting furnace capable of accurately controlling the temperature, a rotary blowing device capable of efficiently degassing and the like; the casting unit optimizes the casting quality by using a magnetorheological fluid coating mold and an electromagnetic regulation and control device; the demolding unit reduces casting damage by means of multiple cooperative demolding means; the process comprises the steps of raw material pretreatment, precise smelting, precise casting, reasonable demolding and the like. By means of the means, the problems that in a traditional technology, gas purification is not thorough, the casting process is difficult to control, and parts are prone to being damaged during demolding are effectively solved, the functions of improving the quality of aluminum magnesium alloy castings, improving the production efficiency and reducing the rejection rate are achieved, and remarkable economic and technical benefits are achieved.

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.

An investment casting shell casting method for optimizing casting quality based on three-dimensional modeling belongs to the technical field of mold casting shell manufacturing, aims to solve the problem that an existing investment casting shell causes defects of a casting, and comprises the following steps: manufacturing a shell sample, and pouring a casting sample by adopting the shell sample; detecting the casting sample to obtain the defect of the casting sample and the position of the defect; constructing a three-dimensional model of the casting sample according to the casting sample and the defect, and calculating the size and thickness of the defect according to the three-dimensional model; and a chilling block is selected according to the size and thickness of the defect, the chilling block is attached to the defect part, a wax sealing layer is attached to the outer side of the defect of the chilling block, and shell manufacturing is completed. The method is used for investment casting.

A method (200) for operating an inductive melting system (100) which has at least one induction coil (122) for melting an electrode (E), comprises determining (210) a net heating power of the inductive melting system (100) by means of a control device (160) of the inductive melting system (100). The method also comprises determining (220) a melting rate by means of the control device (160), ascertaining (230) a superheating temperature of the melted-off electrode material (S) at least partly on the basis of the net heating power and the melting rate by means of the control device (160), and controlling (240) at least one operating parameter of the inductive melting system (100) on the basis of the ascertained superheating temperature by means of the control device (160).

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.