842results 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 utility model discloses a sand box for casting, which relates to the technical field of sand boxes and comprises a lower box body, first handles are respectively arranged at the front end and the rear end of the lower box body, limiting blocks are fixedly connected at four corners of the upper end of the lower box body, an upper box body is arranged at the upper end of the lower box body, and second handles are respectively arranged at the front end and the rear end of the upper box body. Under the combined action of the lower box body, the limiting block, the upper box body, the connecting plate, the adjusting bolt and the movable plate, the sand box can be conveniently combined, fixed and disassembled during use, under the combined action of the placing frame, the telescopic push rod, the clamping plate, the lifting device and the push plate, the sand box can be conveniently clamped and fixed, and the sand box is prevented from being damaged during casting. When the sand box moves or inclines, under the combined action of a base, a vibrator, a telescopic rod, a second spring and a buffer seat, when the sand box is used, casting sand in the sand box can fully flow when being filled, and the compactness of the sand box is ensured.

The invention provides an automobile covering part forming die with an anti-deviation guide structure, and relates to the technical field of forming dies. The mounting part comprises a main body and a bottom groove, and the main body is of a rectangular structure; the two sets of bottom grooves are symmetrically formed in the two sides of the bottom of the main body, and when the two sets of mold cores are spliced, the prismatic structure at the bottom of the calibration piece B and the fixed piece which is inserted into the bottom of the calibration groove and movably installed in the movable groove can automatically adjust the position, then the prismatic structure is matched with the movable piece, and correction butt joint of the two sets of mold cores is completed. Through the arrangement, when the mold cores are spliced, the butt joint angle between the mold core on the bottom side and the mold core on the top can be automatically adjusted, then the butt joint precision of the mold cores can be improved, and the problems that an existing mold guide structure is abraded to a certain degree after being used for a long time, so that a certain deviation occurs when the mold is spliced, and the mold quality is influenced are solved. And therefore, the yield of the production of the covering parts is reduced.

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 utility model relates to the technical field of casting sand boxes, and discloses a sand box which comprises a box body, the box body is provided with a plurality of partition plates; the box body is divided into a plurality of accommodating spaces for accommodating breathable sand by the plurality of partition plates; a cooling plate is arranged at the top of the box body; a cooling boss is arranged on the surface of the cooling plate; a first sand hanging strip and a sand hanging groove are arranged on the surface of the cooling boss; second sand hanging strips are arranged on the inner side of the periphery of the box body. According to the sand box, heat dissipation of the mold can be uniform, and breathable sand is not prone to falling off.

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 invention discloses a full-automatic horizontal removable flask extrusion molding device and method and a control system. The device comprises an upper mold, an upper box side plate and an upper push plate of the upper mold form an upper sand box, and a lower box side plate and a lower push plate of a lower mold form a movable lower sand box; the model assembly is movably arranged between the upper sand box and the lower sand box, and when the upper sand box and the lower sand box are closed, the upper sand box, the lower sand box and the model assembly jointly form a sand mold. The molding device adopts translation of the model assembly, alternate replacement of the lower mold box and circulation of molding operation, is smooth in procedure connection and high in automation degree, and improves the molding efficiency of the sand mold; the upper mold core and the lower mold core are provided with the venting plugs, and high-speed gas sand flow guides sand to the shadow area and the deep concave cavity part of the mold box through the venting guide effect of the venting plugs, so that the sand filling effect of the areas is improved, and the high pre-tightening degree is obtained.

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 utility model belongs to the technical field of casting equipment, and particularly relates to a sand box for sand casting of machine tool parts, which comprises an upper sand box and a lower sand box, lower box lugs are arranged on the two sides of the top of the lower sand box; the fixing pins are inserted into the upper box lug and the lower box lug on the left side; the locking piece is arranged on the right side of the lower sand box; the positioning notches are formed in the lower surfaces of the upper box lugs; the positioning bulge is arranged on the upper surface of the lower box lug; the positioning frame is arranged on the lower surface of the upper sand box, and the bottom end of the positioning frame is conical; the positioning groove is formed in the upper surface of the lower sand box; wherein the positioning notch can be matched with the positioning protrusion, the outline of the positioning frame is the same as the outline of the cope flask in shape, the positioning frame can be completely inserted into the positioning groove and matched with the positioning groove, and compared with the prior art, the work efficiency and the finished product quality of castings are improved.

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 discloses a pressing device for casting a precoated sand mould, which is characterized in that support columns are fixedly arranged at four corners of a bottom plate, a top plate is fixedly arranged on the tops of the four support columns, an air cylinder is fixed on the lower end surface of the top plate, an upper mould plate is fixed at the output end of the air cylinder, four support rods are fixedly arranged on the bottom plate, and the four support rods are fixedly arranged on the bottom plate. A cooling plate is fixed to the four supporting rods, a lower mold plate is slidably arranged on the cooling plate, a trapezoidal sliding groove is formed in the lower mold plate, clamping plates are slidably arranged on the side walls of the two transverse ends of the sliding groove, a carrying plate is slidably arranged at the bottom end of the sliding groove, and a plurality of first springs are fixedly arranged between the carrying plate and the bottom of the sliding groove. And the carrying plate is in sliding connection with the clamping plate. The mold cooling device has the beneficial effects that cooling liquid circulates in the cooling plate, the mold cooling speed is increased, and the working efficiency is improved.

The invention relates to an inner cylinder casting forming method which comprises the steps that a casting sand core is divided into at least four layers for independent 3D printing, the first layer is a bed mould core (110), the second layer is a vertical pipe outer contour core (120), the third layer is an inner cylinder outer contour core (130), and the fourth layer is a cover core (140), so that an outer contour structure of a casting is formed; for an inner cavity structure of a casting, two vertical pipe cores (210) and a tire hanging core (220) are designed and printed, the tire hanging core (220) is further split into a tire hanging core main body (221) and four cores (222), and the four cores (222) are areas with high sand burning risk on the tire hanging core (220) and are formed by printing chromium ore materials. According to the scheme, the application range of the sand core 3D printing technology in the casting field can be expanded, and particularly the effective application of the sand core 3D printing technology on large-size and complex-structure products such as inner cylinders can be achieved.

The utility model discloses a box opening mechanical device suitable for V-method casting. The automatic box opening device comprises a rail support, a box separating station, a box taking station and a box opening station are arranged below the rail support, and the box taking station is located between the box separating station and the box opening station; a walking trolley is slidably connected to the rail support, the bottom of the walking trolley is fixedly connected with a manipulator through a connecting rod, and the connecting rod is perpendicular to the ground. A support is arranged at the top of the manipulator and perpendicularly connected with the connecting rod, and the two ends of the bottom of the support are each provided with a grabbing assembly. According to the utility model, the problem that a large amount of manpower is needed in casting production in the prior art is solved.

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 invention discloses a rapid cooling post-welding reinforcing device for V-method casting, which comprises a base, a support plate, a sand mold bearing assembly, a forming assembly and a vibrator, the support plate is mounted at the top end of the base, the vibrator is mounted on the outer surface of the sand mold bearing assembly, the sand mold bearing assembly comprises a sand box mounted at the top end of the support plate, and the sand box is filled with fine sand; the device comprises a sand box, fine sand is arranged in the sand box, a plurality of reinforcing plates are uniformly placed in the fine sand in the sand box, a plurality of blanking holes are formed in the outer surfaces of the reinforcing plates, the reinforcing plates are laminated, and a connecting rope is mounted between every two reinforcing plates. The reinforcing plates are arranged in the sand box, so that the reinforcing plates can fill the sand layer in a layered manner, the sand layer can be effectively supported and fixed, and the sand layer is prevented from being deformed or collapsed due to impact and pressure of molten metal in the pouring process.

The utility model provides a sand mold casting bottom plate conversion device, which relates to the technical field of sand mold casting equipment and comprises a bottom plate, a plurality of telescopic mechanisms are arranged on the side surface of the bottom plate, and fixing components for clamping sand molds are arranged on the telescopic mechanisms. According to the sand mold casting bottom plate conversion device, the sliding block and the lengthening plate can be driven to move through rotation of the lead screw, the size of the device can be adjusted by moving the lengthening plate in different directions and adjusting the relative distance between the bottom plate and the lengthening plate, and when a supporting area of a mold needs to be increased or the structure of the mold needs to be changed, the device is convenient to use. The sand mold casting bottom plate does not need to be replaced, the rotating rod can drive the threaded rod to be screwed in and out of the threaded block, then the threaded rod drives the clamping plates rotationally connected with the threaded rod to move, the clamping plates in different directions move towards the bottom plate, a sand mold can be fixed, and displacement or deformation in the casting process is prevented.

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.