834results about "Moulding tools" patented technology

The invention discloses a casting forming device for producing a super-long self-priming pump cover, and belongs to the technical field of pump cover machining equipment.The casting forming device for producing the super-long self-priming pump cover comprises a feeding mechanism, an upper mold spraying mechanism is installed in the center of the bottom of the feeding mechanism, and a material transferring mechanism is arranged on one side of the rear end of the feeding mechanism. By designing the feeding mechanism, the first feeding mechanism, the material transferring mechanism, the discharging mechanism and the second feeding mechanism, the feeding mechanism and the first feeding mechanism automatically convey an upper die, the material transferring mechanism automatically transfers a lower die, the upper die and the lower die are assembled in order through the feeding mechanism and the first feeding mechanism, and the assembling efficiency is improved. And after follow-up molten aluminum pouring and cooling forming are conducted, the upper mold is automatically taken down through the discharging mechanism and the second feeding mechanism, workers can conveniently take the formed pump cover, the whole process is automatically conducted, and the production efficiency is high.

A clutch hub body forming method, comprising: obtaining an aluminum alloy melt; providing a squeeze casting mold for a clutch hub body, and filling a charging barrel (11) of the squeeze casting mold with the aluminum alloy melt; after mold filling with the aluminum alloy melt is finished, applying a pressure and maintaining same, so as to form a solidified aluminum alloy casting; performing incomplete solid solution treatment on the solidified aluminum alloy casting; carrying out aging treatment on the aluminum alloy casting that has undergone the incomplete solid solution treatment; and finishing the outer surface and inner mating surface of the aluminum alloy casting that has undergone the aging treatment, so as to obtain a clutch hub body finished product. Further provided are a clutch hub body obtained by the described forming method, and a squeeze casting mold used for the described forming method for a clutch hub body. Aluminum alloy castings obtained by means of squeeze casting have high quality, and involve reduced energy consumption and shortened production periods, thus improving production efficiency and reducing costs; and the aluminum alloy castings have reduced thermal stress, thus reducing the risk of deformation or cracks.

This invention discloses a sand core outer wall impregnation system for low-pressure casting, relating to the field of sand core impregnation technology. It includes a coating tank and a guide rail located above the coating tank. A conveying mechanism is mounted on the guide rail, and a boom is installed on the conveying mechanism. Two lifting claws for supporting the sand core are slidably mounted horizontally on the boom. The conveying mechanism includes two conveying platforms that slide with the guide rail. Each conveying platform has a take-up roller rotatably mounted on it, with steel cables wound around the take-up rollers. A flat plate is mounted at the bottom end of the two steel cables. The boom is connected to the flat plate and located below it. During the horizontal conveying of the sand core using this invention, the sand core with its opening facing upwards is vertically lifted downwards to a predetermined height, ensuring that the surface of the coating in the coating tank is flush with the upper surface of the sand core to be impregnated, thereby preventing the coating from entering the interior of the sand core.

The invention relates to sand core transfer auxiliary equipment which comprises an upper guide assembly, a lower guide assembly and a lower guide assembly. The lifting driving piece is arranged below the upper guide assembly; the vertical pressing piece is connected with the output end of the lifting driving piece; the upper ends of the cantilevers are limited by the horizontal guide channel to be in sliding fit in the horizontal direction, a set of inclined walls are symmetrically arranged in the middles of the cantilevers and are correspondingly matched with the two ends of the vertical pressing piece to form wedge-shaped mechanisms, and the lower ends of the cantilevers are each connected with a horizontal clamping piece. The vertical positioning part is matched with the bottom end face of the to-be-clamped object to prevent circumferential rotation; the sliding guide part is in sliding fit with the horizontal clamping piece in the horizontal direction; the two horizontal clamping pieces are oppositely arranged, clamping faces matched with the outline of a to-be-clamped object are formed on the adjacent sides of the two horizontal clamping pieces, and the two clamping faces are used for wrapping and attaching the outer wall of the to-be-clamped object, so that the to-be-clamped object is evenly stressed. According to the sand core transfer device, stability and integrity in the sand core transfer process are guaranteed, and operation convenience and transfer efficiency are improved.

A casting mould for producing a casting formed from a light metal alloy, in particular a housing for an electric drive for a motor vehicle. The casting mould advantageously has at least one sand core which is designed and arranged in the casting mould in such a way that the at least at least one sand core can be completely surrounded, at least in sections, in a circumferential direction by a light metal melt with which the casting mould is filled to form the casting. It is advantageous to be able to produce a casting in which, for example, a cooling channel is incorporated. It is not necessary to drill a hole to form a channel. Furthermore, the invention relates to a process for manufacturing a casting made of a light metal alloy, in particular a housing for an electric drive for a motor vehicle.

The invention discloses a core shooting mold provided with a jacking demolding structure and used for metal casting, and relates to the technical field of core shooting molds. The core shooting mold comprises a machine body, a pressing plate is connected to the upper side of the machine body in a nested mode, an upper mold core is fixedly connected to the lower surface of the pressing plate, and a lower mold body is fixedly connected to the lower side of the machine body; and a swing mechanism capable of driving the oil storage box to uniformly spray oil to the inner cavity of the lower die body is arranged between the side of the oil storage box and the lower die body. According to the core shooting mold provided with the jacking demolding structure and used for metal casting, the pressing plate drives the upper mold core to move through the hydraulic device arranged on the machine body, so that the upper mold core is in butt joint with the lower mold body, the mold pressing operation is completed, and meanwhile when the pressing plate moves downwards, the swinging mechanism is driven to operate; and when the pressing plate moves upwards to reset, the adjusting mechanism can be driven to move, so that the ejector rod moves upwards, and a workpiece can be better demoulded under the action of the ejector rod.

The utility model belongs to the technical field of casting mold manufacturing, and discloses a transfer mechanism, a riser feeding system and a casting production line. The transfer mechanism comprises a transfer device, the transfer device comprises a plurality of clamping assemblies arranged in a rectangular array, the distance between every two adjacent clamping assemblies can be adjusted, each clamping assembly comprises a plurality of clamping jaws with different lengths, and the clamping jaws with different lengths can clamp riser materials with different sizes respectively. The transfer mechanism can be suitable for riser materials of various sizes, the flexibility is improved, the application range is expanded, transfer of multiple riser materials at a time can be achieved, and the riser material transfer efficiency is effectively improved.

The invention relates to the technical field of die-casting, and discloses die-casting equipment for aluminum non-stick pan machining, which comprises a [-shaped frame, a sliding rail is fixed below the [-shaped frame, an overturning assembly is slidably connected to the sliding rail, a die-casting die is fixed to the overturning assembly, a servo hydraulic cylinder is fixed to the upper end of the [-shaped frame, and the servo hydraulic cylinder is fixed to the lower end of the [-shaped frame. A servo hydraulic cylinder is fixed to one side of the U-shaped frame, a die-casting head is fixed to a piston rod of the servo hydraulic cylinder, a connecting plate is fixed to the overturning assembly, an electric push rod is fixed to one side of the U-shaped frame, a piston rod of the electric push rod is elastically connected with the connecting plate through a first spring, and a first abutting wedge block is fixed to the piston rod of the electric push rod. The die-casting die can be reversed through the overturning assembly, impurities can fall off under the influence of the gravity of the impurities, meanwhile, when the first cleaning block and the second cleaning block rotate to work, sweeps and residual release agents on the inner wall of the forming cavity can be cleaned conveniently, and the cleaning effect and the workpiece machining quality are improved.

The invention relates to the technical field of aluminum alloy machining, and discloses an aluminum alloy die-casting precision forming device which comprises a base body and a die-casting forming die fixed to the middle of the top of the base body and further comprises a mounting frame fixed to the upper portion of the base body, and aluminum alloy die-casting equipment is mounted on the surface of the mounting frame. A box body is fixed on the front side of the base body; the device has the cleaning function, aluminum alloy coagulum dripping on the base can be automatically scraped and cleaned, the manual cleaning time is shortened, the labor intensity is reduced, the equipment maintenance cost is reduced, the aluminum alloy coagulum on the base can be timely cleaned through the automatic cleaning function, part damage caused by long-time accumulation is avoided, and the service life of the device is prolonged. In addition, the device further has a release agent spraying function, a release agent can be evenly sprayed on the surface of a precision forming mold, the demolding effect is improved, surface defects of die castings are reduced, and the practicability of the device is effectively improved.

The utility model belongs to the technical field of valve casting, and discloses a valve casting mold which comprises a base, a fixed seat is fixed at the top of the base, the fixed seat is connected with a top seat through a supporting rod, a hydraulic cylinder is installed on the top seat, a piston rod of the hydraulic cylinder is connected with a lifting seat, an upper mold is installed at the bottom of the lifting seat, and a lower mold is installed on the upper mold. A lower mold corresponding to the upper mold is mounted at the top of the fixing seat, a displacement assembly is mounted on the fixing seat, and the mold cleaning assembly moves between the upper mold and the lower mold through the displacement assembly, so that high-pressure air can blow away chippings attached to the inner walls of the upper mold and the lower mold, and the situation that next use of the mold is affected is avoided; the mold lubricating assembly is moved between the upper mold and the lower mold through the displacement assembly, so that the atomized lubricant is adhered to the inner walls of the upper mold and the lower mold, the friction between a casting and the mold is reduced, the wear of the mold is reduced, and the use of the mold is facilitated.

The utility model discloses an integrated die-casting large box type spraying device which comprises a spraying box frame, the spraying box frame is composed of a plurality of installation beams, a plurality of spraying working faces and a plurality of metal plate faces are arranged on the spraying box frame, metal plates are arranged on the metal plate faces, a plurality of spraying strips are arranged on the spraying working faces, and the spraying strips are connected with the installation beams. An atomized gas channel, a control gas channel and a liquid channel are arranged in the spraying strip, an atomized gas access port, a control gas access port and a liquid access port are formed in the back face of the spraying strip, and a plurality of nozzle connecting units are arranged on the front face of the spraying strip. Each nozzle connecting unit comprises an atomized gas connecting port, a control gas connecting port, a liquid connecting port and a plurality of threaded mounting holes, part of the nozzle connecting units are connected with nozzles, and the rest of the nozzle connecting units are covered with plugging plates. According to the spraying device, the use amount of pipelines of the spraying device is effectively reduced, the overall weight of the spraying device is reduced, and maintenance personnel can conveniently maintain the pipelines in the spraying box frame.

The utility model relates to the field of sand core painting, and discloses painting equipment which comprises a painting pool, a circulating system and a lifting appliance located above the painting pool, one end of the circulating system is connected with the bottom of the painting pool, the other end of the circulating system is connected with the upper portion of the painting pool, the circulating system comprises a circulating pump (1), and the circulating pump (1) is connected with the lifting appliance. Under the action of the circulating pump (1), paint in the brushing pool is pumped out from the bottom and flows in from the upper part; the circulating system further comprises an inflow pipeline (21), one end of the inflow pipeline (21) is connected with an outlet of the circulating pump (1), the other end of the inflow pipeline (21) is connected with the upper portion of the brushing pool, an included angle theta is formed between the axis of the inflow pipeline (21) and the axial direction of the brushing pool, and theta is larger than or equal to 45 degrees and smaller than or equal to 90 degrees. According to the coating equipment, the surface of the sand core is coated by adopting a dip-coating method, so that the coating can be fully utilized, and the coating equipment is simple in structure and low in use cost.

The utility model provides a lead-acid storage battery grid continuous casting device which comprises a base, a machine frame and a mold rotating mechanism, the machine frame is fixedly connected to the top end of the base, the mold rotating mechanism is arranged in the machine frame, and the lead-acid storage battery grid continuous casting device is characterized in that the mold rotating mechanism comprises an electric rotating disc installed in the machine frame; a mold mounting column is fixedly mounted at the top end of a rotating shaft of the electric rotating disc, a plurality of casting fixed molds are fixedly connected to the surface of the mold mounting column, guide grooves are formed in the surfaces of the two sides of each casting fixed mold, a flow guide hopper is fixedly connected to the surface of the top end of each casting fixed mold, and a case is fixedly connected to the surface of the rack; the surface of the machine box is movably connected with an electric telescopic rod, the surface of the electric telescopic rod is fixedly connected with a casting movable mold, and the casting movable mold is matched with the casting fixed mold.

The invention relates to the technical field of automatic spraying, in particular to a mechanical arm control method for release agent spraying, which comprises the following steps: acquiring a three-dimensional point cloud of a mold and segmenting the three-dimensional point cloud into different characteristic areas; generating an initial spraying track based on the feature region and a process database; in the spraying process, surface state parameters of all areas are monitored in real time, the real-time spraying quality deviation coefficient is calculated, the spraying quality of the current point position is judged accordingly, and mechanical arm movement or spraying parameters are compensated for unqualified point positions in real time; after spraying of a single area is completed, a uniformity variable coefficient is calculated based on film thickness distribution of the area, stage quality is judged, and a stage optimization strategy is implemented in subsequent spraying of similar areas for unqualified areas; and after spraying of the whole mold is completed, the overall spraying quality evaluation value is calculated, the overall quality is judged, and overall parameter optimization is conducted on the unqualified situation in the next spraying period. According to the invention, multi-level closed-loop optimization control from point location, area to global situation is realized.

The invention discloses a wax melting device for wax mold casting and a using method. The wax melting device comprises a bottom plate, a heat insulation barrel is fixedly connected to the upper surface of the bottom plate, a melting barrel is arranged in the heat insulation barrel, a heating device is arranged on the inner surface of the heat insulation barrel, and the heating device is attached to the melting barrel; the upper surface of the heat insulation barrel is rotationally connected with a heat insulation cover, and the upper surface of the heat insulation barrel is movably connected with a crushing barrel; through holes are formed in the crushing barrel, the cross section of the crushing barrel is trapezoidal, a heat-conducting crushing net is used for crushing large-size wax blocks, wax residues are prevented from existing above the crushing net in a hot cutting and downward pressing mode, the crushed wax blocks are prevented from blocking the crushing barrel under the action of a stirring rod in the crushing barrel, and the crushing efficiency is improved. And the circle center of the stirring rod and the circle center of the smashing barrel are not located on the same line, and therefore it is guaranteed that discharging is not affected during stirring.

The invention relates to the technical field of 3D printing, and discloses a sand mold 3D printing full-process automatic production line and a production method.The production line comprises a sand mold printing area, an auxiliary equipment area, a dip-coating detection area, a drying area and a plurality of transfer equipment, the sand mold printing area comprises a plurality of sand mold 3D printing equipment, and each sand mold 3D printing equipment comprises a printing work box; a sand mold printed by the sand mold 3D printing equipment is contained in the printing work box. The sand mold 3D printing process can be unified, the product quality and the production efficiency can be improved, and the labor cost is reduced. According to the production line, full-automatic control is adopted, the whole production line is provided with transfer equipment for transferring sand molds, unattended operation can be achieved, the production efficiency is higher, manpower consumption is lower, the production line is provided with a visual inspection station for detecting defects of the sand molds subjected to paint dip-coating, unqualified sand molds are prevented from flowing out, and the production efficiency of the produced sand molds is greatly improved from the beginning of design to the completion of pouring. And the whole process can be traced.

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 present invention discloses a coated sand casting production line and process based on an intelligent casting island, and relates to the technical field of coated sand casting. The present invention discloses a coated sand casting production line and process based on an intelligent casting island, which can automatically clean the coated sand remaining in the mold. The coated sand casting production line based on the intelligent casting island includes a mounting frame, the mounting frame is fixedly connected to a symmetrically arranged casting mold, the mounting frame is slidably connected to a discharger, the discharger is slidably connected to a sand casting machine, and also includes symmetrically arranged fixed plates, the symmetrically arranged fixed plates are fixedly connected to the mounting frame, electric push rods are fixedly connected between the symmetrically arranged fixed plates, the telescopic ends of the electric push rods are fixedly connected to sliding plates, the mounting frame is fixedly connected to a pressurizer, and the sliding plate is slidably connected to an air jet plate. When each sand casting is completed, the air jet pipe moves back and forth to spray air to clean the inner wall of the casting mold, so as to avoid the residual coated sand in the casting mold affecting the quality of the sand mold for subsequent casting.

The invention relates to the technical field of sand core flow coating, and discloses a sand core rotary flow coating clamp which comprises a clamping main body frame, a rotary assembly is fixedly installed on one side of the clamping main body frame, a clamping frame is fixedly connected to the bottom end of the clamping main body frame, and clamping assemblies are fixedly installed on the side, close to the rotary assembly, of the clamping frame and the side adjacent to the rotary assembly. Through the arrangement of a functional groove, a ball of an elastic piece fixing ring is clamped into an arc clamping groove, so that a fixing concave plate cannot be retracted, clamping teeth enter a reversing groove at the moment, meanwhile, a fixing clamping block is in return stroke, the fixing concave plate is clamped by the fixing clamping block, and the fixing concave plate is extruded into a clamping flat groove; and meanwhile, the fixing concave plate is fixed under the action of the fixing clamping block, so that the supporting purpose is achieved, clamping teeth are clamped into the bottom end of a fixing groove from a reversing groove, fixing of the fixing concave plate is completed, fixing of a core rod groove in the sand core body can be automatically completed without manual operation, and convenience is provided for subsequent fixing.

The invention relates to the technical field of casting of iron castings, in particular to a casting method of a nodular iron casting, which comprises a workbench, a lower die holder is arranged at the top of the workbench, an upper die holder matched with the lower die holder is arranged above the lower die holder, and an air cylinder for pushing the upper die holder to move is arranged at the top of the upper die holder; and the operating mechanism comprises an electric sliding rail frame, the electric sliding rail frame is fixedly connected to the top of the workbench, and an electric sliding block capable of sliding left and right on the outer side of the electric sliding rail frame is arranged on the outer side of the electric sliding rail frame. Before a nodular iron casting is poured, dust and impurities in the inner wall of the upper mold base and the inner wall of the lower mold base can be cleaned at the same time, cleanliness in the mold is guaranteed, a release agent can be evenly sprayed into the mold through the cleaning assembly, the release agent can form a layer of film on the surface of the mold, and the mold is prevented from being damaged. And the product is prevented from being adhered to the mold in the forming process, so that the product can be smoothly demolded.

The utility model provides a spraying device which comprises a spraying mechanism, a steering mechanism, a lifting mechanism and a supporting piece, the steering mechanism is installed on the supporting piece and connected with the lifting mechanism, the steering mechanism is used for driving the lifting mechanism to rotate in a plane, and the spraying mechanism comprises a conveying assembly, a spraying element and an air blowing element. The lifting mechanism is connected with the conveying assembly and used for driving the conveying assembly to linearly move, and the spraying element and the blowing element are installed on the same side of the conveying assembly at intervals. And through mutual cooperation of the spraying mechanism, the steering mechanism, the lifting mechanism and the supporting piece, the spraying device is good in applicability and better in spraying effect.

The invention relates to the technical field of wax mold recovery and separation, in particular to a valve casting wax recovery treatment device which comprises a wax mold heating and melting barrel, a sealing cover is arranged at the top of the wax mold heating and melting barrel, and a flow guide cover is arranged in the wax mold heating and melting barrel. The device has the beneficial effects that wax liquid is intensively guided through the flow guide cover, impurities contained in the wax liquid are filtered through the filter cover net, the filtered wax liquid is pumped into the evaporation pan through the liquid wax discharge pump to be heated and evaporated to form wax steam, and the steam rises and is covered by the cooling and liquefying metal cover; at the moment, the cooling and liquefying metal cover is sprayed and cooled through the spraying and cooling assembly, so that the temperature-reduced steam is liquefied and condensed on the cooling and liquefying metal cover and is matched with a wax scraping plate to scrape and guide to enter a wax liquid receiving plate, and high-purity liquid wax is discharged through a wax liquid discharging pipe to be recycled; the problem that in the prior art, after wax is melted, impurities such as metal fragments, sand and soil contained in the wax are directly recycled, and the purity of recycled wax is not enough is solved.

The invention relates to an intelligent sand mold spraying process method and system, and belongs to the technical field of mechanical manufacturing automation. Functions are achieved by integrating a six-axis spraying robot, a visual positioning system, a special pit spraying device and an automatic conveying module, and the method specifically comprises the steps that a sand mold workpiece is conveyed to a work station, and a code scanning device recognizes workpiece information and calls a pre-stored digital model; a robot tail end vision device scans the workpiece to generate a dynamic deviation rectifying track, and a paint conveying and mixing system is combined to mix paint to complete cavity surface spraying; for a pit area, a Z-axis mechanical arm is adopted to drive a spray gun to revolve and rotate around the axis, and precise coating in a narrow space is achieved in cooperation with micro-motion telescopic adjustment; and after spraying, the ignition device quickly dries, and the isolation device ensures that the spray gun and flame are safely interlocked. According to the scheme, the coating uniformity and the pit coverage degree are remarkably improved, meanwhile, manual intervention and potential safety hazards are reduced, and the industrial bottlenecks that in traditional spraying, quality fluctuation is large, and special-shaped structures are difficult to treat are solved.

The invention discloses a casting method for improving appearance surface quality of metal lithium, which comprises a flow guide device, a casting pipe mechanism, a mold, a lithium liquid conveying pipeline and an oil coating mechanism, the flow guide device is placed on the mold, and the flow guide device comprises a flow guide sleeve, a flow guide rod, four flow dividers, four inner connecting plates, four outer connecting plates and a fixing plate; the casting pipe mechanism comprises a casting pipe inlet and a casting pipe outlet; the liquid metal lithium casting device is reasonable in design and convenient to use, liquid metal lithium casting is achieved, liquid lithium flows out of a mold base plate in the casting process, the downward flow speed of lithium liquid is reduced through the internal structure of the flow guide device, and small lithium beads splashed when the lithium liquid impacts the base plate are blocked by the flow guide sleeve; the purpose of reducing the splashing speed and range of the lithium liquid is achieved, scars are avoided, the casting quality of a lithium ingot is improved, bubbles are avoided, and meanwhile the problem that other flow guide tools cannot be taken out due to the fact that the lithium liquid is rapidly solidified and embedded in metal lithium is solved.

The present invention relates to the field of casting technology, and discloses an electric hardware casting molding device and method, comprising an operating platform and a clamping seat installed on the upper side of the operating platform for clamping a mold, a spray gun for spraying a mold release agent on the mold is installed on the upper side of the operating platform, the clamping seat comprises a first clamping block and a second clamping block, a first support column is installed on the upper side of the operating platform, a second support column is movably installed on the upper side of the operating platform, the first clamping block is rotatably arranged on the side of the first support column, the second clamping block is rotatably arranged on the side of the second support column, a support plate is installed on the upper side of the operating platform, a driving motor for controlling the movement of the clamping seat is installed on the side of the support plate, and a swing rod for driving the clamping seat to swing is installed on the side of the first support column. Through automated spraying, the operator is less exposed to chemicals, thereby reducing the risk of inhaling harmful gases and chemicals and improving operational safety.

The present invention discloses a forming method for a complex component of a titanium-aluminum alloy, comprising the following steps: fabricating a graphite shell mold and a graphite pouring cup; respectively coating a high-temperature resistant ceramic coating on the inner cavity surfaces of the graphite shell mold and the graphite pouring cup; performing vacuum degassing treatment on the graphite shell mold and the graphite pouring cup; placing the titanium-aluminum alloy material into the graphite pouring cup above the graphite shell mold; placing the graphite shell mold, the graphite pouring cup, and the titanium-aluminum alloy material in the graphite pouring cup as a whole into a crucible in a vacuum induction melting furnace for gas washing treatment; starting the vacuum induction melting furnace for heating, and during the heating process, accompanied by the pouring and filling of the titanium-aluminum alloy material; taking out the graphite shell mold, the graphite pouring cup, and the complex component that has been poured and filled in the graphite shell mold as a whole from the vacuum induction melting furnace and performing annealing treatment; taking out the titanium-aluminum alloy complex component from the graphite shell mold. The present invention solves the technical barriers of high melting point and poor fluidity of the titanium-aluminum alloy, improves the superheat degree of the titanium-aluminum alloy liquid, and shortens the pouring time.

The invention discloses a thin film sealing and attaching device in V-method casting, and relates to the technical field of V-method casting equipment. The device comprises a base, a travelling crane, a mounting plate, a template and a moving frame, the moving frame directly faces and is movably arranged on the mounting plate, a lifting mechanism for driving the moving frame to move relative to the mounting plate is arranged on the mounting plate, the mounting plate directly faces the moving frame and is fixedly connected with a heating mechanism, and a plurality of communicating ports are formed in the bottom of the moving frame at intervals; a plurality of communicating ports are formed in the template, an air suction channel communicating with the communicating ports is formed in the moving frame, an air suction pipe communicating with the air suction channel is fixedly connected to the moving frame, the embedded frame is slidably connected to the inner wall of the moving frame, an embedded groove is embedded in the template right facing the embedded frame, and an elastic assembly for pushing the sliding block to move towards the embedded groove is arranged on the moving frame. When the movable frame is attached to the template, the elastic assembly can push the embedding frame to move, so that the embedding frame is embedded into the embedding groove, a film is further fixed, and the sealing performance of film attachment is improved.

The invention discloses an automobile hub casting device which belongs to the technical field of hub casting and comprises a bottom plate and a shell arranged on the upper side of the bottom plate, a cavity is formed in the shell, a sealing plate is mounted at the position, corresponding to the cavity, of the lower end of the shell, and a piston cavity is formed in one side of a sealing block. A water outlet groove is further formed in the upper side of the sealing block, one end of the water outlet groove communicates with the interior of the storage air bag, and the other end of the water outlet groove communicates with the interior of the mold. Through the arranged piston plate, a release agent can be pushed into the mold through a storage air bag when a formed hub is not taken out, and when a worker knocks a sealing block, the release agent can flow along the outer wall of the formed hub through a gap generated by vibration, so that the release agent is adhered to the inner wall of the mold; and therefore, the release agent can be uniformly smeared in the mold.

The invention discloses an automatic dip-coating and drying method for a sand core, and relates to the technical field of sand core casting. The method is applied to a core making system comprising a mechanical arm, a sand core is clamped through the mechanical arm and moved to a coating pool, and the mechanical arm is controlled to move so that the sand core can reach the preset dip-coating depth; lifting the mechanical arm to a preset height, and driving the mechanical arm to swing based on a preset swing strategy so as to prevent the coating on the surface of the sand core from continuously dripping; the swung sand core is moved to a drying furnace, and drying adsorption of coating on the surface of the sand core is achieved based on a preset drying strategy; and the deformation amount of the dried sand core is detected and compared with a preset deformation amount threshold value, and whether the sand core is qualified or not is judged according to the comparison result. Accurate control and optimization of the sand core manufacturing process are achieved, and the manufacturing quality and production efficiency of the sand core are remarkably improved.

The invention provides a dip-coating process for a sand core of a brake disc, which comprises the following steps: (1) preparing a water-based coating, and regulating the baume degree of the water-based coating to 28-30 degrees; and (2) the brake disc sand core is clamped through a mechanical assembly, the brake disc sand core is placed in the water-based paint in the step (1) at the inclination angle to be subjected to dip-coating, the angle of the brake disc sand core is adjusted for the first time after dip-coating, and then spin-drying and drying are sequentially conducted. By optimizing relevant parameters of the dip-coating process and regulating and controlling the baume degree of the water-based paint, the brake disc sand core does not have the appearance problems of paint dripping and stacking, paint flow marks and the like after being dip-coated and dried, meanwhile, the sand core does not need to be repaired, the product quality and the quality of a casting poured by a terminal client are guaranteed, the production efficiency is improved, and the production cost is reduced. And the production cost is reduced.