641 results about "Molding sand" patented technology

The invention discloses a casting density optimization system and method based on cooperative regulation and control of molding sand moisture and clay blue absorption amount, and relates to the technical field of casting control. According to the method, a self-cleaning wear-resistant alloy probe is used for synchronously collecting a molding sand high-frequency eddy current signal and a multi-spectrum near-infrared signal in the sand mixing process; inputting a pre-training support vector machine regression signal fusion model to obtain a real-time moisture content and a clay blue absorption amount; a preset density target threshold value is combined, a density-molding sand parameter association database is inquired to determine a parameter target interval, a regulation and control instruction is generated after a deviation value is calculated, and a water adding device and a clay conveying device are controlled to adjust the use amount; the density of the casting after regulation and control is detected, if the density does not reach the standard, model output weight iteration optimization is corrected until the density reaches the standard, the system comprises a detection module, a signal processing module, a regulation and control execution module, a density detection and correction module and a central control module, closed-loop control is achieved, and the density stability of the casting is improved.

The invention belongs to the technical field of casting, and particularly relates to a process for improving the appearance quality of a casting by using a sand-isolating chilling block, which comprises the following steps: step 1, during molding or core making, firstly paving a layer of molding sand between risers or in a hot spot area; step 2, fixing the chilling block by using molding sand or supporting nails to ensure that the position of the chilling block is stable; 3, sand is discharged to wrap the chilling block, and it is ensured that a sand layer is firm through compaction operation; 4, after the molten steel is poured, heat of the molten steel is conducted to the chilling block through the sand layer, the local cooling speed of the casting is increased, and sequential solidification is achieved; and 5, after pouring, heat preservation is conducted till box opening is conducted, and an intact casting is formed. According to the invention, a layer of molding sand with a specific thickness is placed between the external chilling block and the mold, so that the external chilling block is converted into the sand insulation chilling block, and in order to ensure that the chilling block achieves the effect of process design requirements and can effectively play a chilling role on a casting, the thickness and size of the chilling block and the thickness of a sand insulation layer can be properly adjusted according to the size of a hot spot of the casting.

The invention relates to the technical field of casting molds, and discloses an automobile planet carrier casting mold which comprises a mold plate arranged between an upper mold and a lower mold, an upper sand mold, a lower sand mold, a sand core and a sprue are installed on the mold plate, and the sand core is located between the upper sand mold and the lower sand mold and used for blocking cavity communication of the upper sand mold and the lower sand mold; guide columns corresponding to the upper and lower dies are mounted on the upper and lower end faces of the template, and are inserted into guide holes of the upper and lower dies, so that accurate die assembly is realized. Through combination of the upper sand mold, the lower sand mold and the sand core, the mold can mold an upper casting and a lower casting at the same time by using the sand core to block communication of the mold cavity, the production efficiency is greatly improved, the thickness of the sand core is set to be 0.8 times of the wall thickness of the casting, shrinkage porosity linearity caused by a hot spot in the casting can be avoided, and meanwhile, the production efficiency is improved. The pouring gate supplies liquid to the upper sand mold and the lower sand mold through the residue filter, impurities in molten metal are removed through the filtering assembly, the shrinkage porosity defect caused by the impurities is reduced, and therefore the qualification rate of castings is increased.

A casting molding sand screening device capable of being recycled comprises a machine box and a screen drum rotationally arranged in the machine box, a grinding drum is rotationally installed in the screen drum, a lining ring is fixedly arranged at the position, corresponding to the grinding drum, of the inner side wall of the screen drum, and a grinding face capable of being matched with the lining ring in a mutual grinding mode is arranged on the peripheral side face of the grinding drum. According to the molding sand screening device, the rotatable grinding cylinder is arranged in the screening cylinder, meanwhile, the lining ring matched with the grinding cylinder is arranged on the inner side wall of the screening cylinder, and in the process that molding sand blocks mixed and caked in molding sand are screened in the screening cylinder, small impurity particles can be directly screened out of the screening cylinder; and under the mutual rolling of the rolling cylinder and the lining ring, the caked molding sand blocks can be rolled into molding sand particles with single particle size and capable of achieving the recycling standard, so that the problem of subsequent secondary screening is avoided.

The utility model discloses a shakeout roller device for casting molding sand separation, which is characterized in that an inner cylinder is arranged inside an outer cylinder, the inner cylinder is connected with a first discharge port through a first bearing, the inner cylinder is in a straight cylinder shape, the left side of the inner cylinder is connected with the outer cylinder through a second bearing, a rack is arranged on the circumference of the outer side of the left end of the inner cylinder, and a motor is arranged at the upper part of the outer cylinder; according to the sand shakeout device, the inner cylinder and the outer cylinder are arranged, so that molding sand enters the outer cylinder after being separated, the molding sand is prevented from being accumulated in the inner cylinder, a buffering function is achieved on a casting, the sand shakeout effect is improved, and the molding sand is prevented from being left on the casting; and the device is further provided with first shifting teeth and second shifting teeth which are staggered with each other, molding sand cakes falling into the outer cylinder are crushed, the subsequent crushing treatment procedure of the molding sand cakes is omitted, manpower, material resources and time are saved, the subsequent treatment cost of the molding sand is reduced, and good practicability and applicability are achieved.

The invention relates to the technical field of casting, in particular to vehicle gearbox casting equipment which comprises a support, a supporting plate used for placing a sand casting mold is fixedly connected to the support, a fixing mechanism used for fixing the sand casting mold is arranged above the supporting plate, and a driving mechanism is connected with a material guiding mechanism arranged on one side of the supporting plate. Through a rigid limiting structure of the square fixing frame and the supporting plate, impact of molten metal is resisted, displacement and collapse of a sand mold are avoided, inert gas is synchronously injected to stabilize the sand mold, the defects of sand holes and cold shut are reduced, the casting precision of key parts such as a gearbox bearing hole and an oil duct is improved, the inclusion and porosity are reduced, and the air tightness qualification rate of a shell is improved; the driving mechanism controls lifting, material pushing and vibration demolding in a linkage mode, the production period is shortened, the productivity is improved, the labor cost is reduced, meanwhile, molding sand can be recycled, emission is reduced, green manufacturing is met, and an efficient, high-quality and environment-friendly solution is provided for precise casting of the gearbox shell.

The utility model relates to the technical field of sand screening machines, in particular to a vibration swing type sand screening machine for molding sand. According to the technical scheme, a discharging hopper is installed on a base, a sieve tray is installed on the discharging hopper, a discharging pipe is arranged on one side of the sieve tray, a top cover is installed at the top end of the sieve tray, a support is elastically installed on the base through a spring, and vibration motors are installed on the two sides of the support. An upper sealing strip and a lower sealing strip are respectively arranged on convex edges at the upper end and the lower end of the sieve tray, a positioning hole is formed in the upper sealing strip, and a positioning block is arranged on the lower sealing strip. The upper sealing strip and the lower sealing strip are respectively arranged on the convex edges at the upper end and the lower end of the sieve tray, and are matched with each other through the positioning blocks and the positioning holes to realize quick limiting and butt joint, so that the tight sealing between the sieve trays is realized. And the hoop is clamped and fixed with the convex edge of the sieve tray through the clamping groove, so that stable connection can be provided, and the sieve tray is ensured not to loosen or fall off in the vibration process.

The present invention discloses a casting mold vibrating and compacting mechanism and an intelligent casting island, comprising a conveying frame, a jacking device and a vibrating device. A conveying trolley is provided on the conveying frame, and a sand box is provided on the conveying trolley. Fixed pipes are fixedly provided on both sides of the conveying trolley, and sliding pipes are rotatably and slidably provided on the fixed pipes. When fixing the model, the second connecting rope is stretched by pulling the hook, and the reel is rotated to hang the model. The hooks on both sides can pull different lengths to adapt to models of different specifications. After the model is hung, the hooks on both sides and the model are simultaneously lowered into the sand box by sliding the reel. In addition, in the process of adding molding sand and vibrating and compacting it, instability of the model is avoided. After the molding sand buries the bottom of the model and is vibrated and compacted, the hook is separated from the model by a decoupling component, which not only improves efficiency, but also ensures the stability of the model during the sand adding process, improves the subsequent pouring effect, and thus improves the quality of the casting.

The present invention discloses molding sand additive packages, molding sand binder compositions comprising the molding sand additive packages, molding sand comprising the molding sand binder compositions, use of the molding sand and a method of sand casting.

The invention relates to the technical field of precoated sand casting, and discloses a precoated sand casting production line based on an intelligent casting island, the precoated sand casting production line comprises a machine body, a sand feeding pipe, a negative pressure sand suction pipe, a distance adjusting piece and a rotatable transmission shaft are respectively mounted in the machine body, and the distance adjusting piece is in transmission connection with two mold frames which are symmetrically arranged and have an adjustable distance; casting systems are arranged on the two mold frames, and each casting system comprises a toothed plate mounted on the machine body, a magnetic field generator mounted on the machine body, a casting frame capable of synchronously moving back and forth and left and right on the mold frames in a reciprocating manner, and a synchronous shaft capable of periodically and alternately rotating forwards and backwards. Technical breakthrough is achieved through the synergistic effect of the magnetic vibration coating and multi-mode vibration, Fe70Ga30 alloy nano-particles of the functional layer generate magnetic domain periodic orientation in an alternating magnetic field, micron-sized multi-axial vibration is excited, the surface of molding sand and a mold interface is deepened, intermolecular acting force is destroyed, deep-layer adhesive sand is stripped in a non-contact mode, and the surface of the mold is stripped in a non-contact mode. The problem that energy penetration of traditional impact type cleaning is insufficient is solved.

The invention relates to the technical field of casting devices, and particularly discloses a pump valve casting casting demolding device which comprises a recycling box, a cross beam is fixedly arranged on the recycling box, the cross beam is close to the middle, a bearing structure is fixedly arranged on the cross beam, and a limiting structure is fixedly arranged on the bearing structure. A loading unit is detachably mounted on the bearing structure, the loading unit is fixed through a limiting structure, and a separating structure is detachably mounted on the limiting structure. Through the sealing fit design of the loading unit and the precise pushing design of the separating structure, molding sand is automatically scattered and recycled after the box bottom and the pouring jacket are separated; the casting is stably moved out through directional pushing of the push plate, and the problem that the casting is difficult to take out in the lost foam casting process is thoroughly solved.

The invention relates to the technical field of foundry sand treatment devices, in particular to a screening device for butterfly valve casting molding sand, which comprises a buffer tank and a base, the upper end of the base is fixedly connected with a filtering tank, the outer side of the filtering tank is provided with a first motor, and the inner side of the filtering tank is provided with a filtering mechanism for screening the molding sand. A conveying belt is installed at the upper end of the base, a discharging mechanism used for evenly discharging molding sand is installed at the upper end of the conveying belt, aiming at radioactive impurities of the nuclear power butterfly valve to the molding sand, through combination of visual recognition and magnetic separation, the content of metal impurities is reduced, and the casting standard of nuclear first-grade components is met; sintered sand blocks larger than 1.5 mm can be accurately removed, it is avoided that the sintered sand blocks block a follow-up screen or the strength of a sand mold is uneven, the 0.8 mm aperture of the woven mesh is matched with vibration of the arc-edge sleeve to prevent blocking, coarse sand grading of silica sand is achieved, and the problem that in traditional screening, fine powder agglomerates, and air permeability is insufficient is solved.

The invention discloses a method and a device for measuring the air permeability of molding sand, belongs to the technical field of casting molding sand detection, and solves the problems of errors and low detection efficiency in existing molding sand air permeability detection. The device comprises a measuring work box, a first supporting frame is arranged on one side of the top of the measuring work box, a feeding device is arranged on the first supporting frame, a second supporting frame is arranged on one side of the first supporting frame, a pressing device is arranged on the second supporting frame, a moving groove body is arranged between the first supporting frame and the second supporting frame, and a clamping device is arranged on the moving groove body. A sample cylinder is movably inserted into the movable groove body, a driving assembly for driving the movable groove body to move is arranged on the measurement working box, and a sample seat for placing the sample cylinder is arranged on the other side of the top of the measurement working box. According to the method and the device for measuring the air permeability of the molding sand, the air permeability of the molding sand can be detected on site under the condition that the measurement precision is guaranteed, and the production efficiency is effectively improved.

The casting molding sand screening equipment comprises a screening box, a box door and a feeding pipe, the middle position of one side of the screening box is provided with an opening, the outer side wall of the screening box is fixedly connected with a collecting frame, the box door is movably connected to the front side of the screening box, and the feeding pipe is arranged at the top of the screening box and communicated with the interior of the screening box. The device further comprises a screening assembly and a conveying assembly, the screening assembly is arranged in the screening box, and the conveying assembly is arranged in the collecting frame. The utility model belongs to the technical field of casting and screening, and particularly relates to casting molding sand screening equipment for casting, which solves the problems of poor screening effect and lower screening efficiency caused by qualified molding sand always existing in screening of unqualified molding sand.

Moulding material mixture of natural and / or ceramic sands with a phenol-formaldehyde resin-free binder for foundry moulding sands, wherein the binder is either ➢as a one-component binder based on polyurethane and / or polyurea, comprising an aromatic or aliphatic oligomeric and / or polymeric isocyanate or a mixture of several aromatic and / or aliphatic oligomeric and / or polymeric isocyanates with partially delayed reactivity, and as an additive a non-functional diluent, wherein the isocyanates consist entirely or partially of pre-crosslinked reaction products, and wherein the pre-crosslinking is brought about by the reaction with di- or polyfunctional polyols with a stoichiometric deficit of hydrogen-active compounds, resulting in a residual content of free isocyanate groups in the range of 5 to 35%, and wherein the one-component binder is suitable for a multi-phase curing process using water-alcohol mixtures, or ➢ as a two-component binder based on polyurethane and / or polyurea, comprising . a component A with an average hydrogen functionality of 2.0 to 3.9, with an average equivalent weight of 450 to 900 g / eq of the reactants and with functional and / or non-functional additives that control the reactivity, non-functional admixtures that promote processability and ensure stability, wherein the reactants of component A are polyether alcohol mixtures of hydroxyl and / or mercapto groups and / or internal nitrogen-containing individual components, wherein the hydrogen-active compounds of the mixture of component A • two- to eight-functional polyether alcohols obtained by anionic or cationic ring-opening polymerization of cyclic ethers and simultaneous addition of the resulting polyether chains to OH / NH starter molecules and / or • Polythiols resulting from the esterification reaction of 3-mercaptopropionic acid with two or more alcohols or which are hydrogen-active polysulfide polymers with free SH groups, are selected and combined, and • an isocyanate-containing component B is present.

The invention relates to the technical field of sand mixing, in particular to a sand mixing machine for molding sand for casting, which comprises a sand mixing bin, a mixing mechanism for mixing the molding sand in the sand mixing bin, and a discharging mechanism for discharging the molding sand in the sand mixing bin, according to the sand mixing machine for the molding sand for casting, the material stirring paddle is inserted into materials in the sand mixing bin, so that an adhesive is directly injected into a material base body; in the process that the material stirring assembly rotates in the circumferential direction of the sand mixing bin, on one hand, materials are subjected to three-dimensional shearing stirring, and the macroscopic mixing effect is enhanced; and secondly, the adhesive is prevented from being exposed on the surface of the material by deeply burying and adding the material, so that the generation of flying dust is inhibited from the source. Besides, the addition mode can realize uniform dispersion of the adhesive in a material matrix, so that the mixing period is remarkably shortened, and chemical phase change caused by temperature rise due to excessive stirring of the gravels is effectively prevented.

The utility model discloses an efficient molding device for molding sand casting, which comprises a base, a stand column, a top plate, a cavity, a lifting unit and a driving mechanism, the stand column is arranged on the base along the longitudinal direction, the top plate is fixedly arranged at the top of the stand column, the cavity is detachably arranged on the base, and the lifting unit is arranged on the base. The lifting unit is arranged at the bottom of the top plate in the longitudinal direction and is in transmission connection with the cavity, the driving mechanism is arranged at the bottom of the base and is in transmission connection with the cavity, the surface of the base is provided with sliding grooves which are arranged in a crossed mode, and the cavity comprises a top cover, a bottom plate and four side plates arranged around the top cover and the bottom plate. According to the utility model, the cavity side plates can be driven to be automatically opened and closed through the driving mechanism, and the top cover can be driven to be automatically opened and closed through the lifting unit, so that molding sand can be conveniently filled into the cavity, and mold opening and demolding can be conveniently carried out after casting is completed, and the production efficiency of molding sand casting is further improved.

The utility model relates to the field of casting hole sanding devices, in particular to a casting hole sanding device which comprises a shell. A movable door is installed on the side face of the shell, high-pressure impact assemblies are arranged on the side wall, opposite to the movable door, of the shell, the two side walls adjacent to the movable door and the top of the shell, a separation assembly is arranged on the side wall of the shell in a penetrating mode, and the output end of the pressure pump communicates with the multiple sets of high-pressure impact assemblies installed on the shell. Sand in a casting hole is impacted and removed through high-pressure water flow, a spiral blade can drive an inner hollow shaft to rotate in a hollow pipe port under driving of the water flow, and the spraying angle of a spraying head on a spherical shell can be adjusted when the spherical shell rotates, so that spraying impact is conducted on the surface of a casting from multiple angles, and the sanding effect is improved; the water flow permeates downwards to be stored in the precipitation bin for precipitation, the water-permeable belt conveys the molding sand intercepted on the water-permeable belt out of the shell, and the molding sand is collected into the collection bin and then remains on the filter plate, so that the molding sand is reused after being dried.

The invention relates to the technical field of casting equipment, and particularly discloses a molding sand treatment device for casting a tractor saddle support, which comprises a rack, a coarse sieve plate is arranged at the upper part of the rack, a screening mechanism and a cleaning mechanism are further arranged on the rack, the screening mechanism comprises a fine sieve plate, a crushing plate and an adsorption assembly, and the fine sieve plate is obliquely arranged below the coarse sieve plate; the crushing plate is obliquely suspended above the fine screen plate, a wedge-shaped crushing gap is formed between the crushing plate and the fine screen plate, the caking molding sand can be rubbed and crushed through reciprocating movement of the crushing plate, the adsorption assembly comprises a plurality of magnetic mounting plates arranged below the fine screen plate, and the cleaning mechanism comprises a scraper blade and a collecting box. The collecting box can push the vertically drooping mounting plate to turn over to a cleaning state, the scraping plate scrapes and sweeps the surface of the turned mounting plate, and the collecting box moves along with the scraping plate and collects scraped scrap iron; according to the invention, screening, crushing and iron removal operations in a non-stop state are realized, and the production efficiency is greatly improved.

The application provides a low-carbon development green casting application demonstration center, which comprises a molding sand storage area for storing various molding sands used in processing; a negative pressure blank preparation area provided with an automatic sand mixing device, a vibration compaction device and a negative pressure molding device, which is used for preparing frozen sand blanks with a set water-sand mixing ratio and an outer shape size; a frozen processing area provided with a vertical cutting forming equipment for frozen sand molds, a horizontal cutting forming equipment for frozen sand molds and a printing forming equipment for frozen sand molds, which are used for processing frozen sand molds (cores); a cryogenic storage area provided with a cryogenic refrigerator and a partition gradient refrigerator; a smelting and pouring area provided with a negative pressure pouring device; a material transfer channel, which is a special channel planned for an AGV carrier; and a central control system for monitoring and controlling the states of various regional modules and coordinating and planning the actions of each region. The application adopts digital and intelligent equipment, has high production efficiency, high precision and quality of obtained castings, and sand drop can be recycled and reused, and the processing process is green, clean and pollution-free.

The utility model discloses a vibration shakeout device for casting production, which comprises an equipment shell, an equipment frame arranged on the inner side of the equipment shell, four base plates respectively arranged at four corners of the equipment shell, supporting upright posts connected with the base plates through spring structures, and reinforcing cross beams arranged on the inner side wall of the equipment shell, a reinforcing vertical beam is arranged on the outer side wall of the equipment shell, two symmetrically-distributed vibration motors are arranged on the outer side wall of the equipment shell, a feeding guide plate is arranged at the left end of the equipment frame, a discharging guide plate is arranged at the right end of the equipment frame, and the lower end of the discharging guide plate is connected with the equipment frame through a discharging supporting frame. According to the utility model, the functions of improving the discharging efficiency, reducing the damage degree of the surface of a casting and conveniently recovering and conveying molding sand are realized.

This utility model relates to the field of sand filter cleaning technology and provides a V-type sand filter ultrasonic rotary spray device, comprising: a sand filter body; an ultrasonic generator installed on the outer wall of the other side of the sand filter body; ultrasonic transducers uniformly fixedly installed on the inner wall above the filter media tank; a spray mechanism movably installed at the top of the fixed pipe and branch pipe; and a protective filter screen uniformly installed at the top of the spray mechanism. The V-type sand filter ultrasonic rotary spray device provided by this solution utilizes the operation of the ultrasonic generator to cause multiple ultrasonic transducers on the upper layer of the filter media in the filter media tank to generate ultrasonic vibrations, performing ultrasonic cleaning on the upper layer of filter media. This is combined with the main nozzle and inclined nozzle rotating to spray and rinse, and then with the operation of a second water pump to draw water into the water supply pipe. The water flowing through the water supply pipe enters multiple connecting pipes and is then sprayed out through multiple flushing heads to rinse and remove contaminants, achieving efficient rinsing of the filter media above the filter media tank.

The utility model relates to the technical field of casting sand mixers, and discloses a casting sand mixer convenient to adjust discharge flow, which comprises a machine body, and a control box is fixedly mounted at the top of the machine body. A manual operation control panel can drive a rotating disc to rotate when sliding on the outer side of a fixed disc, a connecting rod is driven to slide on the surface of the rotating disc when the rotating disc rotates, and one end of a control block can be driven to move in the sliding direction of the connecting rod when the connecting rod slides, so that the control block moves towards the center point close to the fixed disc; when the discharging pipe rotates reversely, the hole diameter of the discharging pipe can be reduced, so that the discharging flow is reduced, on the contrary, the hole diameter of the discharging pipe can be enlarged when the discharging pipe rotates reversely, and the situation that the casting size deviates due to the fact that the amount of molding sand filled into a mold does not meet the design requirement when the flow is too large or too small during discharging of the discharging pipe is prevented. And the production efficiency and the working convenience are improved.

The utility model discloses a high-stability sand-based water-permeable brick capable of fully draining water, relates to the technical field of water-permeable bricks, and aims to solve the problems that the conventional water-permeable brick is lack of a more efficient water-draining structure and the water-draining performance needs to be further improved because the water-permeable brick is used for draining rainwater by virtue of the water-permeable performance of the conventional water-permeable brick. According to the technical scheme, the water permeable brick is characterized by comprising a water permeable brick body, a confluence cavity is formed in the lower surface of the water permeable brick body, a plurality of confluence holes are formed in the water permeable brick body, the cross sections of the confluence holes are circular, the confluence holes are distributed side by side, and a plurality of drainage holes are formed in the inner end face of the confluence cavity. The drainage holes are communicated with the interiors of the confluence holes, supporting protrusions are integrally connected to the upper surface of the water permeable brick body, and a plurality of first drainage grooves are formed in the upper surfaces of the supporting protrusions. And the effects of rapid drainage operation and full drainage are achieved.

The utility model discloses a three-in-one shakeout machine which comprises a fixed machine frame, a rotating frame, a workpiece fixing table, a hammering mechanism, a vibrating mechanism and a turnover mechanism, the rotating frame is rotatably installed on the fixed machine frame, the turnover mechanism comprises a turnover motor, the turnover motor drives the rotating frame to rotate, the workpiece fixing table is fixedly connected with the rotating frame, and the hammering mechanism is fixedly connected with the workpiece fixing table. A plurality of workpiece clamping mechanisms are installed on the workpiece fixing table, the vibration mechanism comprises a plurality of vibration motors, and the hammering mechanism comprises a plurality of air hammers. According to the three-in-one shakeout machine, the vibration mechanism, the hammering mechanism and the turnover mechanism are cooperated, efficient shakeout can be achieved, and compared with traditional equipment, the working procedure time is greatly shortened. Workpiece positions can be flexibly adjusted, and complex casting molding sand can be cleaned in all directions. The workpiece clamping mechanism is stable, and the shakeout effect is guaranteed. The waste collection hopper and the isolation room achieve waste centralized collection and noise reduction respectively, and the working environment is optimized.

The utility model relates to the technical field of elbow processing, and provides a sand mixing device for processing elbows, which comprises a support frame, a support shaft rod fixedly connected to the top end of the support frame, an assembly frame rotatably connected to the middle of the support shaft rod, a sand carrying cylinder fixedly connected to the bottom end of the assembly frame, and a guide through groove formed in one end of the support frame, a linkage rod is fixedly connected to the side, close to the guide through groove, of the sand carrying cylinder and further movably connected into the guide through groove, a transmission assembly is arranged at the end, close to the linkage rod, of the supporting frame and used for being matched with the linkage rod to drive the sand carrying cylinder to swing, and a sand mixing assembly is arranged in the sand carrying cylinder. The transmission assembly comprises a displacement plate, a linkage through groove, an extension base and a driving motor. By means of the technical scheme, the problems that in the prior art, the mixing mode is single, the sand mixing roller is difficult to make full contact with molding sand, and blind areas are prone to occurring on the whole are solved.

The invention discloses outer surface layer shakeout treatment equipment for a motor shell casting, and relates to the technical field of casting shakeout treatment. The outer surface layer shakeout treatment equipment for the motor shell casting comprises a rack and the like, the rack is slidably connected with a vibration frame, the vibration frame is slidably connected with a collecting frame, the vibration frame is fixedly connected with paired vibration motors, the output ends of the vibration motors are fixedly connected with eccentric wheels, the vibration frame is fixedly connected with a pore plate, and the pore plate is slidably connected with a top frame; leaking holes are evenly distributed in the top frame, the vibration frame is fixedly connected with paired electric push rods, and the telescopic ends of the electric push rods are fixedly connected with the top frame. Through the top frame, the electric push rod and other parts, the contact part of the bottom of a casting and equipment can be switched, so that the situation that molding sand is clamped between the bottom of the casting and the equipment and is difficult to completely remove through vibration can be avoided, and the situation that the casting is abraded due to long-time friction between the casting and the molding sand at the bottom due to vibration can be avoided; and the shakeout effect of the shakeout treatment equipment is improved.

The invention relates to the technical field of pump shell casting, and particularly discloses an intelligent casting island for slurry pump shell production, which comprises a bearing frame, a conveying vehicle is slidably mounted on the upper surface of the bearing frame, a mounting plate is fixedly mounted on the upper surface of the conveying vehicle, a sliding assembly is slidably arranged on the upper surface of the mounting plate, and a sand box is connected above the sliding assembly. And a first electric telescopic rod is fixedly mounted on the upper surface of the conveying vehicle. According to the molding sand vibrating device, the vibrating assembly is arranged and used in cooperation with the vibrating assembly, in the up-down moving process of the lifting column, the upper end of the lifting column drives a first vibrating rod and a second vibrating rod to move up and down through connection between a first connecting base and a first lever according to the lever principle, and then molding sand in the box body is vibrated through a vibrating plate; the lower end of the lifting column can drive two arc-shaped rods arranged on the two sides of the box body to alternately knock the two sides of the box body, and then the vibrating plate is assisted to vibrate and compact molding sand in the box body.

The utility model relates to the technical field of casting and metallurgy, in particular to a sand box for sand mold casting, which comprises a first sand box, a second sand box and a pouring part, a plurality of stacked sand cores are arranged in the first sand box and the second sand box, the plurality of sand cores form a sand mold, and the pouring part is arranged in the sand mold. The pouring part comprises a pouring cup, a straight pouring gate and a plurality of bidirectional pouring cross pouring gates which are communicated in sequence, and casting molten iron passing through the pouring part is injected into the sand mold. According to the sand box for sand mold casting, the production quality of large-diameter castings is improved, the pouring time is greatly shortened, meanwhile, the utilization rate of the space in the sand box and molding sand is increased, and waste of the molding sand and molten iron is also avoided.

This invention discloses a sand mold forming die, relating to the field of mold equipment technology. The forming die can form a mold body from molding sand in one step, and two sets of mold bodies can be joined to form a complete sand mold. Specifically, it includes: a bottom mold, a top mold, and an interface plate. The bottom mold has a first shaping surface for forming the external shape of the mold body, and the top mold has a second shaping surface for forming the internal shape of the mold body. When the bottom mold and the top mold are joined, the first shaping surface and the second shaping surface are opposite each other. The interface plate is movably placed on the first shaping surface to form a connecting part on the outside of the mold body during molding. After the mold bodies are joined to form a sand mold, different sand molds can be connected in series through the connecting part. This invention can use a single type of mold to manufacture different types of mold bodies that can be joined together, greatly improving the preparation efficiency and economic benefits of sand molds.