590results about "Moulding flasks" patented technology

A casting core assembly has: a first ceramic piece including a projecting post; a second ceramic piece including a socket; and a ceramic filler material between the post and the socket. In transverse section at at least one location one of the post and socket has a configuration of: three circumferentially offset radial peaks of a peak radius (RPMAX, RSMAX); and three radial troughs of a trough radius (RPMIN, RSMIN) not more than 98.0% of the peak radius.

The invention discloses a casting production device of a corrosion-resistant cast iron cylinder sleeve, and relates to the technical field of cylinder sleeve casting, the casting production device comprises a bottom frame, a bottom shell is fixed on the top surface of the bottom frame, two sliding grooves are formed in the top surface of the bottom shell, the cylinders are fixed on four edges of the top surface of the bottom frame, and the top shell is fixed on the top of the outer wall of the cylinders. An electric hydraulic rod penetrates through and is fixed to the middle of the top face of the top shell, a sliding shell is fixed to the bottom face of the telescopic end of the electric hydraulic rod, the inner wall of the sliding shell is slidably connected with the outer wall of a cylinder, a round mold is arranged in the middle of the bottom face of the sliding shell, a sand mold block and a U-shaped frame are placed in the middle of the top face of the top shell, and the U-shaped frame is fixed to the bottom end in the bottom shell. The sand mold block is clamped and positioned through the two U-shaped frame plates, so that the problem that the casting effect of the corrosion-resistant cast iron cylinder sleeve is poor due to the fact that the sand mold block deviates on the table top is solved.

The invention relates to the technical field of evanescent mode casting, and discloses a multi-cylinder diesel engine cylinder evanescent mode casting sand box which comprises a sand box body, a positioning frame is fixedly connected to the surface of the sand box body, a supporting rod is fixedly connected to the top of the positioning frame, a telescopic frame is fixedly connected to the bottom of the sand box body, and a motor is fixedly connected to the bottom of the inner wall of the telescopic frame. The positioning component comprises a bearing plate, and the surface of the bearing plate is in contact with the inner wall of the sand box. The positioning part is arranged in the sand box, the motor is started to drive the positioning part to start working, the positioning part can push a foam plastic mold into the sand box, the foam plastic mold is extruded and positioned in the downward moving process, and the stability of the foam plastic mold during installation is improved; and meanwhile, the positioning component can push the vibration component to start working when moving, vibration generated by the vibration component can be transmitted to the interior of the sand box, and gravel in the sand box can be continuously flattened through vibration.

The invention relates to the technical field of sand casting, in particular to an assembly-adjustable casting sand box for sand casting, which comprises a base plate, a first sand box and a second sand box, and further comprises four supporting plates, a supporting mechanism, a lifting mechanism, a preheating mechanism and a transfer mechanism, the top of the supporting plate is locked with the first sand box through a bolt; the four supporting mechanisms are fixedly connected to the four corners of the lower surface of the base plate correspondingly. The lifting mechanism is fixedly connected to the upper surface of the base plate. The horizontal adjustment of the first sand box and the second sand box is achieved, insufficient pouring is prevented, size errors and surface defects of castings are avoided, the purposes of preheating the first sand box and the second sand box are achieved, molten metal has good fluidity, molten metal pouring and exhausting are sufficient, local missing of the castings is avoided, and the auxiliary discharging function is achieved; the potential safety hazard of scalding can be eliminated, and the labor intensity of workers can be reduced.

The utility model belongs to the technical field of sand box casting, and particularly relates to a sand box fastening device for casting, which comprises an upper box and a lower box, four corners of a box body of the upper box are respectively provided with a first bolt hole penetrating from top to bottom, and four corners of a box body of the lower box are respectively provided with a second bolt hole penetrating from top to bottom; the first bolt holes and the second bolt holes are in one-to-one butt joint, and screw rods used for connecting the upper box and the lower box into a whole are assembled in the first bolt holes and the second bolt holes. A U-shaped limiting plate is further included. The limiting plate is tightly attached to the outer wall of the upper box and the outer wall of the lower box. Two limiting blocks are symmetrically arranged on the inner wall of the limiting plate, through holes are formed in the limiting blocks, and the two screw rods located on the same side are connected into the through holes of the limiting blocks correspondingly. According to the device, the screw can be quickly disassembled and assembled, the procedure of completely disassembling a nut and a gasket is reduced, and the working efficiency is improved; and the sand box is limited and fixed by connecting the limiting plate through the screw rod, so that the mold closing precision and the pressing effect of the upper and lower box bodies are ensured.

The utility model relates to an intelligent cleaning device for a sand box, and belongs to the field of industrial automation and intelligent manufacturing. According to the scheme, the rail type RGV is adopted to automatically convey the sand box to the closed intelligent cleaning work station, and the information of the sand box is read through the RFID tag and synchronized to the information system. The cleaning robot scans the position of the sand box through the visual recognition device, and the tool changing robot grabs the adaptive drill bit from the drill bit tool library according to a system instruction and assembles the adaptive drill bit to the electric hammer chuck. And the cleaning robot drills and dredges the sand guide hole of the sand box, returns to the quick change frame to replace the electric pick, and performs multi-angle shoveling and scraping operation on the cavity of the sand box. And after cleaning is completed, the cleaning robot is switched to the sand blasting gun, and fine sand cleaning on the surface of the sand box is completed. The scheme aims at solving the problems that traditional manual cleaning is low in efficiency, severe in environment and large in potential safety hazard.

The present invention belongs to the technical field of lost foam casting, and specifically discloses a lost foam casting mold, comprising a first sand box, wherein the bottom of the first sand box is fixedly connected to a base, and both sides of the inner wall of the first sand box are provided with evenly distributed second sand outlets, and both sides of the outer wall of the first sand box are slidably connected to closed doors, and the closed doors block the second sand outlets, and both sides of the inner wall of the first sand box are slidably connected to reciprocating plates, and one side of the outer wall of the reciprocating plate is fixedly connected to evenly distributed compacting plates. In the present invention, by arranging structures such as compacting plates and warping edges, the quartz sand inside the first sand box can be shaped and lifted to prevent it from sinking downward quickly after the second sand outlet is opened, and at the same time, it can also block the quartz sand in the middle, limit the flow speed of the quartz sand, facilitate operators to guide and collect it in an orderly manner in a safe environment, and ensure that the casting is not affected by it.

The utility model discloses a casting device for embedded parts, including a sand box and a mold, a mold is arranged in the sand box, anti-crack ribs are arranged at the fillet of the outer side of the mold, a full circle of subsidies are arranged around the inner hole of the mold, a first outer chiller is arranged at the bottom and around the bottom of the mold, and a second outer chiller is arranged around the outside of the mold. The utility model changes the inner hole structure of the mold, arranges a full circle of subsidies, and cooperates with the use of outer chillers, which greatly reduces the workload of the finishing process; by arranging anti-crack ribs at the fillet of the outer side of the mold, the problem of cracks in the L-shaped fillet during casting is avoided, the quality of the casting is improved, the construction period is shortened, and the cost is saved.

The invention discloses a casting structure and method for improving box opening efficiency and an obtained casting, and belongs to the field of cast iron metallurgy, the casting structure comprises a sand core area, a casting area and the casting area, at least one hoisting hole is formed in the casting area, a hoisting through part is fixedly installed at the hoisting hole, the hoisting through part is of a through structure, and the left side and the right side of the hoisting through part are communicated with the outside; and the hoisting middle through part is filled with sand. According to the invention, sand removal is guided in the through part of the through type hoisting, comprehensive sand removal does not need to be carried out on an inner cavity of a large casting, the sand removal workload is obviously reduced, the labor intensity of casting box opening can be obviously reduced, and the production efficiency is improved.

The utility model discloses a valve body casting mold. The valve body casting mold comprises a lower mold and an anti-collision sealing mechanism, the upper mold is placed on the upper side of the lower mold; the anti-collision sealing mechanism comprises fixing seats, telescopic columns, buffering seats, contact seats, second sliding grooves and locking seats, the fixing seats are arranged on the front side and the rear side of the lower die, the buffering seats are arranged on the upper sides of the fixing seats through the telescopic ends of the telescopic columns which are evenly distributed, and the contact seats are arranged on the front side and the rear side of the upper die; according to the valve body casting mold, when a valve body is cast, elastic buffering is conducted in the vertical contact process of the upper mold and the lower mold, so that the phenomenon that the upper mold and the lower mold collide and are damaged is avoided; and meanwhile, the device can vertically move and limit the upper mold and the lower mold, the relative vertical movement phenomenon between the upper mold and the lower mold is avoided, and a balancing weight is not needed.

The invention relates to the technical field of investment casting, in particular to an anti-gravity pouring tool and method for aluminum alloy investment precision casting, and the tool comprises a bottom plate and an annular sliding rail; the annular sliding rail is mounted on the top surface of the bottom plate; a pouring hole is formed in the center of the bottom plate; a plurality of sliding blocks are installed on the annular sliding rail in a sliding mode, and each sliding block is provided with a locking structure. A stand column is vertically installed on the top of each sliding block. A transverse pressing rod is installed on each stand column, and a pressing screw is arranged at the cantilever end of each transverse pressing rod in a screwed mode. And the lower end of the pressing screw rod is used for pressing a shell placed on the bottom plate. According to the tool, rapid fixing and stable pouring of the shell are achieved, and the production efficiency is remarkably improved. Compared with a traditional sand filling pouring process, a sand box does not need to be adopted for carrying out sand filling operation, pouring can be carried out after the preheated shell is clamped and fixed through the anti-gravity pouring tool, and the pouring efficiency is greatly improved.

The utility model provides a machine tool accessory casting mold, which relates to the technical field of casting molds and comprises a casting table, a mounting structure is arranged at the top of the casting table, a mounting concave frame is fixedly connected to the top of the casting table, extending convex plates are fixedly connected to two sides of the mounting concave frame, rotating convex rings are fixedly connected to the extending convex plates, and the rotating convex rings are fixedly connected to the rotating convex rings. A two-way lead screw is rotationally installed in the extending protruding plate, a limiting ring is fixedly connected to the middle of the outer side of the two-way lead screw, meanwhile, a rotating handle is fixedly connected to the front end of the two-way lead screw, a guide rod is arranged at the bottom of the two-way lead screw, moving belt rings are arranged at the two ends of the outer side of the two-way lead screw, and threaded holes are formed in the moving belt rings. By arranging the installation structure, the casting mold can be conveniently and rapidly installed and fixed, operation is easy, disassembly and replacement are convenient, the working efficiency is improved, by arranging the upper mold structure and the lower mold structure, loosening during mold closing of the upper mold and the lower mold can be prevented, the mold closing precision is improved, and defective products are avoided.

The utility model provides a tool for casting a high-grade iron casting by adopting resin sand and iron mold coated sand, which relates to the technical field of casting molds and comprises an upper sand box, a grid is fixedly connected to the top end of the upper sand box, a lower sand box is arranged below the upper sand box, heat dissipation holes are formed in the surface of the lower sand box, and the heat dissipation holes are communicated with the grid. Connecting lug plates are fixedly connected to the two sides of the upper sand box, through the arrangement of heat dissipation holes in the lower sand box, the heat dissipation effect of a casting in a resin sand mold is improved, cooling and curing of an iron solution can be accelerated, refining of an internal structure (forming of a globular body structure) in the cooling and curing process can be accelerated, and therefore the casting with the strength of HT300 or higher is obtained, and through the arrangement of the lower sand box, the heat dissipation effect of the casting in the resin sand mold is improved. The bottom plate with the thickness of 30mm can improve the rigidity and the strength of the lower mold, reduce deformation and ensure the dimensional accuracy and the shape stability of the casting, the thicker lower mold can better absorb and conduct heat, the cooling speed of the casting is favorably controlled, a casting system realizes a dead head-free design, the process yield is improved to 90%, and the cost is further reduced.

The utility model provides a lost foam casting hammerhead which comprises a hammerhead casting box, a lifting mechanism facilitating discharging of the hammerhead is arranged on the inner side of the hammerhead casting box, the lifting mechanism comprises hydraulic cylinders, an L-shaped lifting plate, a bottom plate and a leakage groove, and the hydraulic cylinders are symmetrically arranged in the middles of the two sides of the hammerhead casting box. The end of an output shaft of the hydraulic cylinder is fixedly connected with the top end of an L-shaped lifting plate, the bottom of the L-shaped lifting plate is fixedly installed on the two sides of a bottom plate, the bottom plate is arranged at the bottom of the inner side of the hammer head casting box, and a plurality of leakage grooves are formed in the bottom plate at equal intervals. According to the hammer head lifting device, a hammer head which is cooled and formed in the hammer head casting box can be lifted and exposed from the hammer head casting box without being dug out from quartz sand, so that a worker can conveniently discharge the hammer head, and the working efficiency is improved.

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 utility model relates to the technical field of casting, in particular to a vacuum negative pressure device for lost foam casting. According to the technical scheme, the device comprises a mounting bottom plate, a vacuum pump is arranged above the mounting bottom plate, a pressure stabilizing assembly is arranged at the position, located on the mounting bottom plate, of the air inlet end of the vacuum pump, a filtering assembly is arranged on one side of the pressure stabilizing assembly, a negative pressure pipe is arranged on a connecting pipe, and a vacuum distribution mechanism is arranged at the end, away from the connecting pipe, of the negative pressure pipe. The filtering assembly adopts a multi-layer composite filtering structure, so that impurities in gas can be efficiently removed, meanwhile, the system pressure can be monitored and adjusted in real time through an intelligent central controller in the pressure stabilizing assembly, pressure fluctuation is effectively buffered, a stable negative pressure environment is provided for lost foam casting, and the production efficiency is improved. And meanwhile, the vacuum distribution mechanism is designed in a modularized mode, negative pressure distribution can be accurately controlled according to different production requirements, the air exhaust efficiency is improved, and the production efficiency of lost foam casting and the precision of castings can be improved.

The utility model discloses a pneumatic sand box positioning device for a box molding line, which comprises a base and a sand box body, coamings are mounted at the upper end and the lower end of the sand box body, a bearing component for supporting and rotating the sand box body is mounted at the top of the base, and the sand box body is mounted at the top of the bearing component; positioning assemblies used for calibrating the sand box body are detachably installed on the two sides of the surrounding plate. The sand box body is pushed by the pushing assembly and the positioning assembly instead of manpower, and the sand box body can be steered through the bearing assembly, so that the convenience degree is further improved, and the aim of saving time and labor is fulfilled; after the two sides of the sand box body are calibrated and positioned, the positioning assembly is separated from the surrounding plate by moving the bottom plate and the supporting assembly, and then the sand box body is rotated and the direction of the sand box body is adjusted through the bearing assembly, so that the convenience degree of positioning the sand box body is improved.

The utility model discloses a combined casting sand box, belonging to the technical field of casting equipment. The combined casting sand box comprises a lower sand box, an upper sand box combined and docked with the lower sand box, and casting gates which are arranged on the side walls of the lower sand box and the upper sand box and correspond to each other. A first cooling water pipe is installed on the inner side of the lower sand box, and both ends of the first cooling water pipe extend to the outer side of the lower sand box. A water inlet is arranged at one end of the first cooling water pipe, and the end of the first cooling water pipe away from the water inlet is bent upward. The first cooling water pipe and the second cooling water pipe are both arranged in a continuous S-shaped structure, so that the contact area with the casting sand can be effectively increased, thereby improving the cooling effect of the casting sand, thereby effectively preventing the casting sand from expanding rapidly due to high temperature during the casting process, reducing the deformation of the casting, and thus improving the casting accuracy.

The invention relates to the technical field of wind power generation, and particularly discloses a multifunctional sand box for wind power gear box casting production, the multifunctional sand box comprises a bottom plate, an upper sand box, a lower sand box and an electric sliding table, the electric sliding table is mounted on the upper surface of the bottom plate, guide columns are mounted at four corners of the bottom of the upper sand box, and the upper sand box and the lower sand box are accurately closed through the guide columns; a shaking mechanism is installed at the top of the electric sliding table, the top of the shaking mechanism is connected with the bottom of the lower sand box through bolts, a support is fixedly connected to the upper surface of the bottom plate, a lifter and a second hydraulic oil cylinder are installed on the left side and the right side of the upper surface of the support correspondingly, and the upper sand box ascends and descends through the output end of the lifter; a grabbing mechanism is installed at the output end of the second hydraulic oil cylinder. The lower sand box shakes for pouring, the liquidity of molten metal is improved, exhausting is smooth, incomplete castings caused by bubbles are prevented, automatic demolding can be achieved, a lower sand box mold cavity is prevented from being damaged, the labor intensity of workers is reduced, and the quality of the castings can be judged.

The present application discloses a sand casting mold, belonging to the technical field of sand casting. The mold plate comprises a sand frame provided above the mold plate, and the four corners of the outer periphery of the sand frame are fixedly connected with positioning cylinders, a guide plate is provided below the mold plate, and a material guide frame is provided below the guide plate, and the material guide frame is inclined, a support rod is fixedly connected to the lower end surface of the guide plate, and the support rod passes through the material guide frame and is fixedly connected to the material guide frame, a plug rod is slidably connected to the lower part of the interior of the positioning cylinder, an adjustment block is fixedly connected to the outer wall of the plug rod, and a rigid spring is movably inserted inside the plug rod, and the material guide frame is provided below the mold plate, and during the compaction process of the clay sand inside the sand frame, the clay sand is discharged from one end of the material guide frame through the guide plate and the material guide frame, which is convenient for the staff to collect the overflowed clay sand, effectively controls the flow and collection of the clay sand, reduces the waste of clay sand and redundant cleaning work, and improves the material utilization rate.

The invention discloses metal casting equipment for dumbbell casting production and processing, and relates to the technical field of metal casting equipment. Comprising a fixing plate, the bottom of the fixing plate is rotatably connected with multiple rollers, the multiple rollers are evenly distributed at the corners of the bottom of the fixing plate, the top of the fixing plate is fixedly connected with a middle plate, the top of the middle plate is fixedly connected with a top plate, the top of the top plate is provided with a square hole, and the interior of the square hole is fixedly connected with a fixing rod; the outer side of the fixing rod is slidably connected with a clamping piece. According to the metal casting equipment for dumbbell casting production and machining, a mold in the middle is clamped and fixed through the multiple clamping pieces, uniform clamping force can be provided, the mold can be kept at the accurate position and posture in the casting process, displacement or shaking caused by external force is avoided, and the production efficiency is improved. Therefore, the dimensional accuracy and the shape accuracy of the casting can be ensured, and casting defects caused by mold deviation are reduced.

The invention belongs to the relevant technical field of casting device machining, and particularly discloses a high-temperature-resistant cut-off valve shell casting device which comprises a casting box and a sand box, a frame is arranged at the rear end of the casting box, a bearing sliding mechanism is arranged in the frame, a sleeve shell is arranged in the casting box, and an abutting table is arranged in the middle of the rear end of the sleeve shell. The two ends of the inner side of the sleeve shell make contact with the bottom of the sand box through vibration mechanisms, sliding rail rods are arranged on the two sides of the outer wall of the sand box, guide rods are arranged on the two sides of the upper surface of the casting box, sliding bases are slidably installed on the outer sides of the two guide rods, and an upper pressing base is jointly arranged between the two sliding bases. The upper surface of the upper pressing seat is connected with a downward pressing mechanism through an arranged connecting assembly, guide driving mechanisms are arranged on the two sides of the outer wall of the upper pressing seat, sand grains in the sand box can be shaken up, then gaps can be avoided in the casting process, and the casting quality is improved.

The invention relates to the technical field of sand core molds, and discloses a casting forming sand core mold which comprises a base and two sand core mold bodies. The two sand core mold bodies are arranged on the base and can be far away from or close to each other, and cavities are formed in the adjacent sides of the two sand core mold bodies; a loading piece is mounted at the top of the base, and a ceramic core bar and a core bar are loaded on the loading piece; and after the two sand core mold bodies are close to each other and are combined, the loading piece, the ceramic core bar rod and the core bar are arranged in the cavities in the two sand core mold bodies. The ceramic core bar rod is pre-embedded in the sand core, the characteristics of good high-temperature stability and high bending strength of the ceramic core bar rod are utilized, internal support is formed for the sand core in the molten iron pouring process, and deformation of the sand core in the vertical direction caused by thermal shock and molten iron buoyancy is effectively restrained, so that the size precision of a hydraulic part control valve main body casting is improved; and the subsequent processing correction and scrap cost is reduced.

The invention discloses a high-pressure pump alloy pump shell casting system and a casting process thereof, and relates to the technical field of casting, the high-pressure pump alloy pump shell casting system comprises a base and a mounting plate, a lifting driving mechanism is arranged on the edge of the base, a sand box positioning assembly is arranged between the base and the lifting driving mechanism, and a lower swing positioning assembly is arranged at the end, close to the lifting driving mechanism, of the mounting plate; an edge connecting mechanism is arranged at the other end of the mounting plate; the sand box positioning assembly comprises a first connecting plate, a second connecting plate and a third connecting plate, the two ends of the second connecting plate are rotationally installed with the first connecting plate and the third connecting plate correspondingly, a clamping plate and a fixing plate are installed on the second connecting plate, a first L-shaped frame is connected to the clamping plate, a second L-shaped frame is connected to the fixing plate, and a box body is placed between the first L-shaped frame and the second L-shaped frame; an adjusting air cylinder is arranged between the fixing plate and the clamping plate; and rapid demolding is completed through the overturning demolding mechanism, and a casting and molding sand are separated and received.

The invention discloses a V-process casting method for a high-manganese steel assembled frog. The V-process casting method comprises the following steps: S1, design preparation work; s2, lower mold box modeling: arranging a direct external chilling block combination on the thin film at the corresponding position of the wood mold, then placing a lower mold box, filling dry sand in the lower mold box, slightly vibrating, striking off molding sand on the upper surface, covering a back film, and vacuumizing; s3, upper mold box modeling: open risers, blind risers and riser patching blocks are respectively arranged and mounted at the mounting positions of all the ports, a direct external chilling block combination is arranged and placed, an upper sprue brick pipe is erected on a sprue brick seat without a thin film, a tape is wound at the butt joint of the sprue brick pipe and the sprue brick seat, then an upper mold box is placed, the upper mold box is filled with dry sand, and after micro-vibration, the upper mold box is formed; the molding sand on the upper surface is scraped to be flat, a back film is covered, vacuumizing treatment is conducted, and then a pouring cup is installed; s4, closing the mold and pouring; and S5, opening the box. According to the method, most trace gas generated in the molding and pouring process is pumped away and collected by the vacuum pump, air pollution is small, and a great contribution is made to the target of green low-carbon production.

The utility model discloses a wooden mould box for producing large castings, which comprises an upper mould box and a lower mould box, the lower mould box comprises an inner wooden box and an outer wooden box, the inner wooden box is positioned inside the outer wooden box, an isolation cavity is formed between the inner wooden box and the outer wooden box, a plurality of support columns are arranged in the isolation cavity, a plurality of through holes are arranged on the periphery of the inner wooden box, U-shaped heat conduction pipes are inserted in the through holes, and the U-shaped heat conduction pipes are communicated with the inner wooden box. One end of the U-shaped heat conduction pipe is connected with a liquid inlet pipe, the other end of the U-shaped heat conduction pipe is connected with a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe respectively extend out of the outer wood box, the upper mold box and the lower mold box have the same structure, and a feeding pipe is connected to the middle of the outer wood box of the upper mold box and extends into the inner wood box of the upper mold box. A structure formed by the inner wooden box, the outer wooden box and the supporting columns is adopted, and is matched with internal molding sand, so that the overall strength and stability of the molding box are greatly enhanced. And the U-shaped heat conduction pipe can accurately regulate and control the cooling speed and is flexible to arrange, so that all parts of the casting are uniformly cooled.

This utility model relates to the field of mold processing technology and discloses a casting mold clamping fixture, including a shell, a mold body is disposed inside the shell, and an ejection assembly is disposed on the inner wall of the shell. The ejection assembly includes a mounting groove, which is opened in the inner wall of the shell. A lead screw is rotatably connected inside the mounting groove. One end of the lead screw is fixedly connected to a shaft, and one end of the shaft is fixedly connected to a throttle. An internal threaded block is threaded to the external thread of the lead screw. A support rod is hinged to the upper surface of the internal threaded block, and a movable plate is hinged to one end of the support rod. This utility model lifts the movable plate by linking the throttle with the support rod, and the spring thrust is transmitted through the push plate, facilitating the ejection of the mold. It eliminates the need for a motor drive, reduces the risk of electrical failure, simplifies the demolding process, and is equipped with a bidirectional opposing clamping mechanism. Through the synchronous approaching movement of the clamping frames on both sides, the mold is laterally positioned, thereby enhancing the installation stability.

This invention discloses a sand-cleaning device and its operating method for automobile cylinder head sand casting, relating to the field of automobile cylinder head production technology. It includes two sand-cleaning bodies, each equipped with: a transmission component for moving the automobile cylinder head; a linkage component for rotating the automobile cylinder head while it is moving; a limiting component for limiting the rotation of the automobile cylinder head; a guiding component for guiding the moving automobile cylinder head; and a buffer component for buffering the rotation of the automobile cylinder head. This invention further solves the problem that traditional sand-cleaning devices for automobile cylinder head sand casting often leave residual sand in the cylinder head cavity after casting, making it difficult for traditional water washing and air suction devices to effectively clean the cylinder head cavity. This is achieved by setting a buffer rod on the inner wall of the limiting groove and a fixing block on the outer wall of the buffer rod, allowing the gear plate to continuously rotate the automobile cylinder head via a clamping plate.

The utility model provides a material collecting device for casting sand box machining, and belongs to the technical field of casting auxiliary devices. The material collecting device for casting sand box machining comprises a supporting frame and a material receiving mechanism, an operation table is installed at the top of the supporting frame, moving wheels are installed at the bottom of the supporting frame, a material frame is movably connected to the top of the operation table, a stabilizing rod is movably connected into the material frame, and a collecting cavity is formed in the top of the operation table. By arranging the material receiving mechanism, when a worker adds sandy soil into an external sand box at the top of the operation table, the material receiving mechanism can receive and work in a centralized mode on the outer side of the sand box in the sandy soil adding process; and the situation that the sandy soil is difficult to receive and concentrate when the operation table is used is avoided, so that the sandy soil receiving and concentrating effect of the operation table is improved.