367 results about "Pressure casting" patented technology

The invention relates to the field of impact failure full-process prediction of complex-structure die castings, and discloses a data-driven impact failure full-process prediction method for complex-structure die castings, which comprises the following steps: step 1, performing mold flow simulation on a target part to obtain the solidification time and porosity of any position of the target part; 2, the solidification time and porosity of any position of the target part are input into a multi-layer perceptron model, and the multi-layer perceptron model outputs mechanical parameters of any position of the target part; the multi-layer perceptron model is trained based on data of actually measured mechanical properties; 3, acquiring a collision simulation grid model of the part, mapping the mechanical parameters to each grid unit of the collision simulation grid model, and generating an input file for collision simulation; and 4, performing collision simulation based on the input file in the step 3.

The application relates to the technical field of metal casting, and discloses a directional solidification casting equipment for low-internal-stress aluminum alloy complex structures, which comprises a heat preservation furnace, a rotary casting assembly, an infiltration temperature control assembly and a forming die. The casting equipment is provided with the rotary casting assembly and the forming die on a rotary table, the rotary table rotates at different rotating speeds to provide controllable centrifugal force, metal liquid is infiltrated and cast on the forming die in the anti-gravity mode under the action of the centrifugal force, the infiltration speed and pressure can be adjusted by changing the centrifugal force, the limitation of workpiece size in negative pressure casting is broken, and the anti-gravity casting of complex structure workpieces is facilitated, the equipment can simultaneously synchronously cast multiple molds, each process parameter is convenient to uniformly control, the quality consistency is ensured, the problem that continuous carbon fiber reinforced aluminum matrix composite materials are difficult to mass produce is solved, and the production efficiency is improved.

The invention relates to a two-chamber low-pressure casting holding furnace and a low-pressure casting method. The two-chamber low-pressure casting holding furnace comprises a heat preservation chamber, a low-pressure casting chamber, a communicating cavity, a liquid rising pipe, a first air inlet pipe and a liquid opening, wherein the heat preservation chamber comprises a precipitation cavity and a confluence cavity; and the communicating cavity comprises a liquid inlet section, a transition section and a liquid outlet section. Compared with the prior art, the heat preservation chamber of the holding furnace is directly communicated with the low-pressure casting chamber, an intermediate valve is omitted, and the pressure bearing capacity of the holding furnace is greatly improved; and large pressure can be generated by arranging a second air inlet pipe and enabling the second air inlet pipe to be matched with the first air inlet pipe, so that the overall working performance of the holding furnace is improved in a spanning manner, the holding furnace can be used for producing thin structural parts, such as automobile chassis parts, A columns and B columns, with larger projection areas, and the practicability of the holding furnace is greatly improved.

The invention discloses a low-pressure casting mold for a high-toughness light-weight water meter shell, relates to the technical field of low-pressure casting, and aims to solve the technical problem that the quality of a casting is affected by pressure maintaining failure caused by precoagulation at a pouring gate. The low-pressure casting mold comprises a first cooling runner formed in a first mold core, and a second cooling runner formed in a second mold core; a first sealing plate used for sealing is arranged in the first water through hole, a second sealing plate used for sealing is arranged in the second water through hole, the first water through hole and the second water through hole are communicated with the first cooling flow channel and the second cooling flow channel in a matched mode, and an auxiliary cooling assembly is arranged in the first mold core. The auxiliary cooling assembly comprises a water passing pipe communicating with the first cooling flow channel and heat conduction rods arranged on the outer walls of the two sides of the water passing pipe. The device has the advantages that the cooling medium is recycled, the pouring gate early solidification is delayed, the pressure maintaining effect is guaranteed, the auxiliary cooling assembly strengthens local cooling, the cooling efficiency and the cooling uniformity are improved, and the casting shrinkage porosity defect is reduced.

The invention relates to the technical field of magnesium-aluminum alloy casting, and discloses a magnesium-aluminum alloy high-pressure casting rapid cooling and defect inhibition process which comprises the following steps: S1, mold preheating; s2, nitrogen replacement is conducted; S3, a release agent is sprayed to the interior of the cavity under the inert atmosphere; s4, magnesium-aluminum alloy molten metal with the temperature ranging from 650 DEG C to 700 DEG C is pressed into the cavity at the injection specific pressure ranging from 80 MPa to 120 MPa and the mold filling speed ranging from 5 m / s to 8 m / s; s5, a subarea cooling structure is designed based on the wall thickness difference of different areas of the casting, gradient cooling is conducted on the casting, in the cooling process, the hot train risk is judged by calculating a thermal stress value, and cooling medium parameters are regulated and controlled by calculating a cooling rate value; and S6, the casting is taken out. Traditional cooling is changed into a partition gradient type, defects are controlled according to a formula and AI, double-pipeline nitrogen is used for preventing oxidation, cost is reduced, and technical practicability and innovation are improved.

The invention discloses a casting defect diagnosis and closed-loop control system and method based on causal anti-fact and multi-agent arbitration. The system collects multi-source data such as temperature, flow, cooling, vision and the like, learns a causal structure, establishes an agent model and solves an adjustment scheme which enables the defect probability to be remarkably reduced in a security domain; performing evidence verification on the suggestions through verifiable generation and a knowledge graph, fusing vision, process, metallurgy and simulation agent arbitration, executing in an edge-cloud double ring, and triggering security rollback abnormally; and when the uncertainty is increased, active learning and incremental updating are implemented. According to the scheme, the defects of shrinkage cavities, air holes and the like can be remarkably reduced, the first-pass yield is improved, and the method is suitable for aluminum alloy sand molds, metal molds and low-pressure casting production lines.

The invention belongs to the technical field of low-pressure casting, and particularly discloses a CT stress arm low-pressure casting device and method. The CT stress arm low-pressure casting device comprises an equipment body, a fixed platform is arranged on the equipment body, a casting mold mechanism is arranged at the top of the fixed platform, a heat preservation furnace is arranged at the bottom of the fixed platform, and a material taking mechanism is arranged on the equipment body. The position of a moving block can be adjusted through an adjusting structure, the area of the material taking disc is increased, meanwhile, the moving block drives a baffle to move when moving, castings can be pushed to move to the center of the material taking disc through the action of a third electric push rod and the adjusting block, the material taking disc can receive castings of different sizes and enable the castings to be located in the center of the material taking disc, and the casting taking efficiency is improved. And therefore, vibration generated in the operation process of the equipment body can be prevented, castings which are not matched with the material taking disc can be prevented from moving or deviating, and the casting material taking efficiency and the casting quality of the castings can be improved conveniently.

The invention relates to the technical field of forming casting equipment, in particular to metal impeller forming casting equipment which comprises a low-pressure casting machine body and a crucible, the crucible is arranged under the low-pressure casting machine body, and a casting mold is arranged at the upper end of the low-pressure casting machine body. By the adoption of the bottom-to-top mold filling process, pressurizing feeding of a casting in the solidification process can be achieved, the casting quality is improved, the structure of the liquid rising pipe is optimally designed, uniform mold filling of molten metal during casting is guaranteed, meanwhile, the backflow resistance of the molten metal in the liquid rising pipe can be improved, and impact on the bottom of a crucible due to direct falling of the molten metal is avoided; and the auxiliary cleaning mechanism and the casting mold filling mechanism are matched with each other, so that impurities at the bottom of the crucible are effectively cleaned, meanwhile, the inner wall of the bottom side of the riser tube can be self-cleaned, the impurities are prevented from being mixed into a casting mold, and the quality and efficiency of metal impeller forming casting are further improved.

The invention discloses a high-temperature-resistant new energy automobile electric drive shell aluminum alloy and a preparation method thereof. The aluminum alloy is different from an existing ADC12 aluminum alloy, the conditions of poor tensile strength and yield strength do not exist, the aluminum alloy is suitable for high-pressure casting production of parts with high requirements for strength and toughness, after forming, the tensile strength of an aluminum alloy component is 330-360 MPa, the yield strength is 230-250 MPa, the percentage elongation after fracture is 3.0%-5.0%, and the performance of the aluminum alloy component is higher than that of a conventional aluminum alloy forming component.

The utility model discloses a low-pressure casting device for a direct mold filling flywheel casing, and belongs to the technical field of casting of automobile parts. A low-pressure casting device for a direct mold filling flywheel casing comprises a mold piece composed of a lower mold, a side mold and an upper mold, a mold core is arranged in the mold, a mold cavity is formed among the mold core, the lower mold, the side mold and the upper mold, and the low-pressure casting device further comprises a transition connecting device arranged on the lower mold. The transition connecting device is provided with a liquid inlet, a transition cavity and at least two groups of sprue gates, and the transition cavity is communicated with the mold cavity through the sprue gates; according to the utility model, through the arrangement of the transition connecting device, a pouring channel is omitted, a product is directly molded by pouring, solution materials in the pouring gate are saved, and the yield of the product is improved.

The invention discloses a high-transmittance laser welding reinforced PC / PBT composite material and a preparation method thereof, and belongs to the field of high polymer material modification. The composite material comprises the following nine components in parts by weight: 35-45 parts of PBT resin, 15-25 parts of siloxane copolymerized bisphenol A type PC resin, 20-28 parts of rectangular cross section glass fiber, a compound crystallization accelerator, an ester exchange inhibitor and the like. The preparation method comprises the ten steps of raw material pretreatment, premix preparation, twin-screw melt blending, electrode treatment, vacuum cooling die-casting forming and the like, electrode treatment is introduced into the core to eliminate internal stress, and vacuum cooling die-casting controls crystallization. According to the scheme, through cooperation of the low-light-absorption black powder, the rectangular glass fibers and multiple processes, the laser light transmittance of the material is larger than or equal to 25%, the warping degree is smaller than 20 micrometers, the mechanical property is stable, the material is suitable for laser welding precision parts in the fields of automobiles and electronics, and the problems that an existing material is low in light transmittance and prone to warping are solved.

The utility model provides a three-rotor linear motor which comprises a support, a rotor assembly and a stator assembly are arranged in the support, and the rotor assembly is arranged above the stator assembly in a suspended mode and is driven by the stator assembly to move back and forth in a staggered mode. The rotor assembly comprises an inner rotor and outer rotors arranged on the two sides of the inner rotor respectively, an annular frame integrally formed in a die-casting mode is jointly connected between the two outer rotors, the annular frame cannot make contact with the inner rotor when swinging, the annular frame swings along with swinging of the two outer rotors, and therefore it can be guaranteed that the swinging frequencies of the two outer rotors are consistent, and the service life of the two outer rotors is prolonged. The swing accuracy of the inner rotor is improved, the use of parts is greatly reduced, the structure is simplified, and the assembly efficiency is improved; a limiting piece is connected between the inner rotor and any outer rotor, an opening is formed in at least one end of the limiting piece, the inner rotor or the outer rotors are rotationally connected into the opening, impact caused by high-speed swing of the rotors can be reduced, noise is greatly reduced, and the user experience feeling is better.

The invention discloses a construction method of a sports field adopting ultra-light odorless particles, and relates to the technical field of high polymer material processing.The construction method comprises the steps that raw materials are pretreated, and polyether polyol, a foaming agent, an amine catalyst, a tin catalyst and a foam stabilizer are mixed and stirred to prepare a foaming precursor; foaming and forming, namely pouring the precursor into a mold at high pressure, preserving heat and pressure, and foaming into a block material; crushing and granulating, namely crushing blocks, grading and screening to obtain particles of 1-10mm; mixing on site, and stirring and coating the glue and the particles according to the ratio of 1: 2.5; paving and compacting: paving the base layer with the material, and compacting to form an elastic base layer; surface layer spraying, wherein fine particles and waterproof color paste are mixed according to the ratio of 1: 1, sprayed and dried to form a wear-resistant surface layer; and marking and delivering, namely marking after the surface layer is dried, and delivering if the detection is qualified. The particles prepared by the method are super easy to process, and after construction, the field structure is compact, the performance is stable, the environmental protection property reaches the standard, the service life is long, the process controllability is high, large-scale production can be realized, and the construction requirements of various sports fields such as campuses, communities and professional venues are met.

The utility model relates to the field of injection mold design, and discloses an injection mold of a double-layer storage box, which comprises a first casting mold frame, a second casting mold frame and a lower mold seat, a mold cover is arranged above the first casting mold frame, the second casting mold frame is arranged right below the first casting mold frame, the lower mold seat is arranged right below the second casting mold frame, and a mold cover is arranged above the lower mold seat. A first casting mold device is formed between the first casting mold frame and the second casting mold frame, an embedded layered shell of the double-layer storage box can be formed in the first casting mold device in a die-casting mode, a second casting mold device is formed between the second casting mold frame and the lower mold base, and an external supporting box body of the double-layer storage box can be formed in the second casting mold device in a die-casting mode. The embedded layered shell is placed in the external supporting box body, and then the double-layer storage box with the suspended bottom can be formed. According to the utility model, the two groups of casting mould devices which work independently are arranged, so that the molding treatment of the embedded layered shell and the external supporting box body can be realized.

This invention relates to the field of metal heat treatment technology, specifically disclosing a vibration-assisted low-pressure casting method and apparatus, comprising: a casting mold, a crucible, a riser pipe, a compressed air conveying structure, and an ultrasonic vibration auxiliary module. The casting mold is divided into a left mold and a right mold, which are fixedly connected. The crucible is connected to the riser pipe, and the riser pipe is connected to the gating system of the casting mold. The ultrasonic vibration auxiliary module includes a mold insert and a piezoelectric ceramic plate. The piezoelectric ceramic plate is disposed between the mold insert and the cavity surface of the casting mold, and is electrically connected to an ultrasonic generator. This invention's vibration-assisted low-pressure casting method and apparatus organically combine ultrasonic vibration technology with traditional low-pressure casting processes, fundamentally solving the problem of insufficient filling in complex structure castings and improving the density of the casting during solidification.

The utility model relates to metal casting technical field, and disclose a kind of low-pressure casting mould of adjustable casting cavity, including top die, bottom die, side mould, top rod, top rod plate, connecting plate, pull rod, the top die includes top die body, top die core, slider, inclined guide pillar, stop block, spring, the top die body is fixedly connected with stop block by bolt, and slidingly connected between slider, the top die core is fixedly connected with shunt cone, top die core and slider can be relatively moved between.The inclined guide pillar is fixed on connecting plate, connecting plate fixed pull rod, pull rod top end sets drive mechanism, for the lifting of inclined guide pillar, the slider corresponding inclined guide pillar direction sets a from top to bottom inclined through-hole, when inclined guide pillar moves downward, it can be inserted into the inclined through-hole of slider, slider is driven to move in direction away from top die core.This structure mould structure when switching size offset product does not need to add additional top die core, and can easily realize the change type work on die-casting machine platform, i.e. simple structure, convenient operation, improve metal utilization rate can also save time and increase production efficiency, save production cost.

The invention relates to the technical field of aluminum alloy materials, and particularly discloses a light aluminum alloy material for die casting and a preparation method thereof. The invention relates to a light aluminum alloy material for die casting, which is prepared from the following raw materials in percentage by mass: 6.0 to 8.0 percent of Si, 0.6 to 0.9 percent of Mg, 0.6 to 1.2 percent of Mn, 0.05 to 0.15 percent of V, 0.05 to 0.1 percent of Zr, 0.05 to 0.2 percent of nano composite alterant, less than or equal to 0.6 percent of Fe, less than or equal to 0.2 percent of inevitable impurities and the balance of Al. The nano-composite alterant is of a core-shell structure, TiC serves as a core, the outer layer is rare earth oxide REOx, and RE is Y or Ce. The prepared aluminum alloy material for light pressure casting has good strength and plasticity in a pressure casting state without heat treatment.

The utility model relates to the field of mechanical manufacturing, and discloses a low-pressure casting mold insert structure which comprises a lower mold shell, the inner wall of the lower mold shell is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with an air cylinder, the driving end of the air cylinder is fixedly connected with a pushing block, and the top of the pushing block is fixedly connected with a fixing shaft. Two first rotating plates are rotationally connected to the outer portion of the fixing shaft, a moving plate is rotationally connected to the other side of each first rotating plate, a second rotating plate is rotationally connected to the other side of each moving plate, a third rotating plate is rotationally connected to the rear side of each second rotating plate, and a springback assembly used for preventing the mold from being fixed is fixedly connected to the inner wall of the lower mold shell. According to the rapid disassembling and replacing device, the air cylinder enables the pushing block to move, the two rotating plates of the pushing block to rotate, the moving plate of the pushing block drives the second rotating plate to rotate, the third rotating plate to rotate, the upper die and the lower die are fixed and loosened, and rapid disassembling and replacing of the dies are achieved.

The present invention relates to a method for manufacturing a soluble core for high pressure casting and a soluble core manufactured by the manufacturing method. According to the method for manufacturing a soluble core for high pressure casting according to the present invention, the method for manufacturing a core by dispersing a heat-resistant hard ceramic powder in a water-soluble chemical salt having a melting point 140°C to 260°C lower than a melting point of a cast metal and a heat capacity of 90 J / (mol K) or more is a very useful technology that can easily manufacture a core for high pressure casting of metals such as aluminum and magnesium, and a method for extracting a core from casting can also be simply performed by heating and extracting the core at a temperature equal to or lower than the melting point of the cast metal, and since the core material can be recycled, it is very advantageous in terms of productivity and economy.

The utility model relates to the technical field of wiring boards, in particular to a wiring board insert of a vehicle motor drive assembly, which comprises a base, a plurality of wiring board inserts are fixed on the base, the wiring board inserts are L-shaped, the wiring board inserts are formed by powder metallurgy die-casting, and the wiring board inserts are fixed on the base. Wiring stud via holes are formed in the top end and the side wall of the wiring board insert, wiring screws are fixed to the wiring stud via holes, the wiring board insert of the motor drive assembly for the vehicle is formed through powder metallurgy die-casting, the machining procedures are greatly reduced, the machining process is remarkably simplified, the machining cost is greatly reduced, and the machining efficiency is improved. And moreover, the die-casting forming groove and the base body can be firmer and more reliable during injection molding, the sealing performance is improved, and the defects that a traditional wiring board insert needs multi-surface processing, the processing procedure is tedious and the cost is high are overcome.

The invention relates to the technical field of electrochemical water treatment, in particular to a preparation method of a self-supporting antimony-doped tin dioxide nanoflower electrode, which comprises the following steps: dissolving trisodium citrate dehydrate and antimony trichloride in absolute ethyl alcohol; then adding water and stannous chloride dehydrate to form a precursor solution; heating the precursor solution, and naturally cooling; after cooling, carrying out solid-liquid separation on the bottom mud, and then cleaning and drying to obtain antimony-doped tin dioxide powder; taking antimony-doped tin dioxide powder, a pore-forming agent and a binder, grinding the materials until the materials are uniformly mixed, and transferring the materials into a tabletting mold for pressure casting to obtain a blank; and calcining the green body to obtain the product. Nano-flower-shaped antimony-doped tin dioxide powder is prepared, in the die casting and sintering process, due to the fact that nano-flower petals of the nano-flower-shaped antimony-doped tin dioxide powder are mutually staggered, a connection mode similar to a mortise and tenon joint mode is formed, and compared with nanospheres, the binding force between the powder is enhanced; and the mechanical strength, the electrochemical active area and the catalytic activity of the electrode are improved.

The utility model relates to the technical field of die-casting process, and provides an integrated high-pressure casting die for a new energy automobile workpiece, the workpiece is provided with a first hole-shaped structure and a second hole-shaped structure which are coaxial and opposite to each other, the die-casting die comprises a fixed die assembly, a fixed die core block, a movable die assembly and a movable die assembly, the movable mold assembly is provided with a movable mold core block, and the movable mold core block and the fixed mold core block movably abut against each other and are used for jointly forming a product cavity; the mold core assembly is arranged on the movable mold assembly and is provided with a mold core which is movably arranged; when the fixed mold assembly and the movable mold assembly are in a mold closing state, the mold core moves in the direction perpendicular to the mold closing direction, penetrates through the movable mold core block and extends into the product mold cavity, and is used for forming a first hole-shaped structure and a second hole-shaped structure at the same time. And before the fixed mold assembly and the movable mold assembly are opened, the mold core retreats from the product cavity and is used for completing the core pulling action. Through the design, double holes are formed through one-time core insertion, and double-hole core pulling is completed through one-time core withdrawing.

The utility model belongs to the technical field of automobile part casting molds, and provides an integrated semi-solid magnesium alloy high-pressure casting mold for a new energy automobile, which comprises a movable mold assembly, a fixed mold assembly, a sliding block mechanism, a sealing assembly, an exhaust assembly and a pouring system, the sealing assembly is arranged between the movable mold assembly and the fixed mold assembly, a sealing cavity is formed between the movable mold assembly and the fixed mold assembly, a product cavity is further formed between the movable mold assembly and the fixed mold assembly, and the product cavity comprises three cavities used for forming a first main body part, a second main body part and a third main body part respectively; the sliding block mechanism is arranged on the movable mold assembly; the exhaust assembly comprises an exhaust part; the pouring system comprises a pouring gate. Compared with the prior art, the pouring gates are asymmetrically distributed along the product cavity, semi-solid magnesium alloy slurry can be guided to be filled in a stable laminar flow state, air entrapment, turbulent flow and impact are reduced, the defects of cold shut and shrinkage porosity of products are reduced, and the forming precision and mechanical property of the integrated vehicle-mounted decoration plate are improved.

The utility model relates to the technical field of die-casting dies, in particular to a back pressure sliding block structure of a movable die of a high-pressure casting die, which comprises a movable die sleeve plate, a movable die core positioned in the center of the movable die sleeve plate, a plurality of groups of core pullers fixed in the circumferential direction of the movable die sleeve plate, and a plurality of back pressure sliding blocks positioned between the core pullers and the movable die core, the back pressure sliding block is connected to the movable mold sleeve plate in a sliding manner; the core puller is used for driving the back pressure slide block to slide horizontally; the end, close to the movable mold core, of the back-pressure sliding block is provided with an extending face, a back-pressure pressing face and a profiling face, the back-pressure pressing face is horizontally arranged, the extending face protrudes towards the movable mold core, and the back-pressure pressing face is connected between the profiling face and the extending face. According to the scheme, demolding can be smoother, strain is reduced, and the product quality is improved; meanwhile, a reverse thrust mechanism of the fixed mold is omitted, the mold structure is simplified, the cost is reduced, and the production efficiency is improved.

The utility model provides a low-pressure casting mold for an aluminum alloy hub, and belongs to the technical field of hub casting. Comprising a mounting base, a support and a lower die are arranged on the mounting base, a mounting frame is vertically and slidably arranged on the support above the lower die, an upper die is arranged on the mounting frame, a plurality of side dies are arranged in the circumferential direction of the upper die, the upper die, the lower die and the side dies jointly define a cavity, and the side dies are slidably arranged on the mounting frame in the radial direction of the cavity. A liquid inlet is formed in the middle of the lower die in a penetrating mode, a pouring device used for injecting liquid aluminum alloy into the liquid inlet is arranged at the bottom of the mounting base, cooling mechanisms are arranged in the upper die, the lower die and the side dies, a first driving piece used for driving the mounting frame to move is arranged on the support, and a plurality of second driving pieces used for driving the side dies to move are arranged on the mounting frame. The method has the effects of shortening the solidification time of the aluminum alloy hub and improving the production efficiency.

The application relates to a precision casting forming die for a brake piston, which comprises a fixed die, an intermediate die, a movable die and an ejection assembly, a pressure casting is formed between the intermediate die and the movable die, and a material handle is formed between the fixed die and the intermediate die; the material handle comprises integrally-formed main sprue waste and a runner waste, the ejection assembly is used for ejecting the main sprue waste towards the side of the intermediate die when the fixed die and the intermediate die are opened; one end of the runner waste, which is far away from the main sprue waste, is provided with a clamping block, and a clamping groove matched with the clamping block is arranged on the fixed die. During the process of opening the fixed die and the intermediate die, the end of the runner waste close to the pressure casting is limited on the fixed die, thereby being separated from the pressure casting, the other end is not limited and is pushed towards the side of the intermediate die under the action of the ejection assembly, the runner waste is deformed, thereby keeping most of the runner waste separated from the fixed die and the intermediate die, and finally an operator manually pulls down the runner waste so that the clamping block is separated from the clamping groove.

The utility model relates to the technical field of casting molds, in particular to a curved-surface aluminum alloy pressure casting mold which comprises a bottom plate, a lower mold is arranged on the surface of the bottom plate, a cooling cavity is formed in the lower mold, a temperature sensor is arranged in the cooling cavity, a hole is formed in the right side of the lower mold, and a pressure sensor is arranged in the hole. A laminating plate is mounted on the right side surface of the lower mold, a pipeline body is mounted in the laminating plate, and the pipeline body is matched with the hole; and the first heat conduction side plate is installed on the back face of the lower mold, and an insertion column is installed on the left side of the first heat conduction side plate. Rapid installation can be completed through the second heat conduction side plate, then the first heat conduction side plate, the heat conduction plate and the second heat conduction side plate can be completely attached to the outer surface of the lower mold, heat can be guided and dissipated, and therefore the cooling effect of the whole product is good after the product is formed.

The invention relates to the technical field of low-pressure casting, in particular to a temperature control pressure relief method for a sprue of a low-pressure casting mold and the low-pressure casting mold, which comprises the following steps: responding to a trigger signal, and acquiring product parameters of a standard finished product according to the trigger signal; mold filling pressure and reference temperature are determined according to the product parameters; collecting a preset real-time pressure on the inner side of the sealed crucible; when the real-time pressure is consistent with the mold filling pressure, tamping parameters are determined according to the product parameters; on the basis of the tamping parameters, a perforated push plate preset in a riser tube is controlled to move up and down in a reciprocating mode, and a cooling signal is sent out after movement is finished; in response to the cooling signal, the molten metal extruded into the cavity under pressure is gradually cooled from top to bottom with a preset cooling method, and the preset judgment temperature of a sprue ring is collected in real time; when it is judged that the temperature is consistent with the reference temperature, the compressed gas is controlled to be discharged out of the sealed crucible at a constant speed through a preset pressure relief method. The method has the effect of improving the accuracy of pressure relief opportunity control.

This invention discloses an integrated adaptive filling and venting device for high-pressure casting of aluminum alloys, comprising a mounting plate integrally formed from high-strength cast iron, serving as the mounting and bearing foundation for the entire device. A support base is bolted to the top, the support base being a hollow frame structure with an open top, used to support and provide stable support for the fixed mold base. The fixed mold base is located on top of the support base, and the fixed mold base is sealed and fixedly connected to the support base. A mold groove is provided on the top of the fixed mold base. This device achieves integrated and automated filling, venting, and demolding. Adaptive reciprocating filling and venting thoroughly removes impurities from the mold cavity, avoiding casting defects; gas-free demolding protects casting precision; precise pressure control adapts to multiple casting specifications; compact structure, reliable operation, improves production efficiency and casting qualification rate, reduces labor and maintenance costs, and meets the needs of high-end aluminum alloy precision casting.

The utility model relates to the technical field of aluminum alloy low-pressure casting mold casting heads, in particular to an aluminum alloy low-pressure casting mold casting head which comprises a casting mold body, a heat insulation structure is arranged in the casting mold body, a disassembly and assembly structure is arranged in the casting mold body, and the heat insulation structure comprises a casting head body. The casting head body is mounted in the casting mold body, the heat insulation sleeve is mounted in the casting head body, the heat insulation layer is arranged in the heat insulation sleeve, the mounting block is fixedly connected to the upper end of the heat insulation sleeve, the mounting bolt is mounted in the mounting block, and the mounting bolt is mounted in the casting head body. According to the casting head of the aluminum alloy low-pressure casting mold, heat insulation blocking can be conducted on high temperature through the heat insulation sleeve, the casting head body is prevented from being damaged, the heat insulation sleeve can be conveniently replaced, and the practicability and protectiveness of the device are improved.