1190results about "Moulding machines" patented technology

The invention relates to the technical field of casting equipment, in particular to a casting device for pump valve casting production, which comprises a conveying rack, a mold frame mounted on the conveying rack, and a sand injection station, the sand injection station comprises a mounting frame, a sand discharging mechanism mounted on the mounting frame and a tamping mechanism for tamping molding sand. According to the casting device for pump valve casting production, by arranging the discharging mechanism, when a motor drives a discharging roller to discharge materials in a feeding hopper, a screening disc can be synchronously driven to move up and down, and discharged molding sand is screened; meanwhile, when the molding sand falls on the screen, the middle of the screen is raised, so that the molding sand is more uniformly distributed in the mold frame; and meanwhile, the materials in the mold frame are preliminarily hammered and tamped.

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 discloses a core shooter with a quick mold changing structure and a matched core box, and relates to the technical field of mold manufacturing. A core shooter movable plate is provided with a seam allowance groove and an electromagnetic coil, a core box upper mold is provided with a seam allowance boss with a permanent magnet, and three-stage magnetic coupling control is achieved through a control system, specifically, during mold closing, homopolar repulsive force guiding is conducted to avoid collision, during positioning, heteropolar attraction force locking is conducted, and during mold changing, homopolar repulsive force pushing separation is conducted. And three-dimensional accurate positioning and mechanical redundancy locking are formed by a clamping jaw clamping mechanism driven by a double-acting oil cylinder under the assistance of taper fit of right-angle limiting grooves in the four corners of the supporting plate and positioning blocks of the fixing plate. Through magnetic coupling automatic guiding and mechanical cooperative clamping, the mold changing time is shortened to be within 2 minutes from 30-40 minutes, single-person operation is achieved, the positioning precision and the vibration resistance are improved, the labor intensity is remarkably reduced, and the mold changing device is suitable for efficient and continuous production in the casting industry.

The utility model relates to the technical field of horizontal core-shooting machines, and proposes a horizontal parting core-shooting machine for processing castings, comprising a workbench, a limit rod is fixedly connected to the top of the workbench, a sliding rod is fitted on the surface of the limit rod, and a molding groove is fixedly connected to the side of the sliding rod, a conveying mechanism is arranged inside the workbench, a support plate is fitted on the surface of the limit rod located in front of the sliding rod, and an electric push rod is fixedly connected to the back of the molding groove, a push rod is fixedly connected to the output end of the electric push rod, a top rod is fixedly connected to the top plate, and a mounting plate is fixedly connected to the top of the workbench at the side of the limit rod; the core-shooting machine, by arranging a noise reduction plate, can lower the noise reduction plate when work is needed, and at this time the working area can be covered, thereby playing a certain noise reduction role to protect the hearing of the staff, and because the noise reduction plate is transparently arranged, it does not affect the staff's observation of the work progress.

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 discloses a spiral water channel sand core integral positioning hot core box which comprises a base and a spiral water channel sand core, a sand shooting device is installed on the upper portion of an upper mold, a transverse moving mechanism is installed at the bottom of a supporting plate and used for driving the upper mold to transversely move, an air duct is fixedly installed on the upper portion of the upper mold, and the lower end of the air duct penetrates through the bottom of the upper mold. A negative pressure fan is fixedly installed on the supporting plate, the air draft end of the negative pressure fan is communicated and connected with the air duct through a hose, positioning pipes are fixedly installed at the two ends of the spiral water channel sand core, and rear sticky blocks are arranged on the inner sides of the side molds and connected with the positioning pipes at the corresponding positions in an inserted mode. The upper mold can be controlled to move through the transverse moving mechanism, so that the position of the sand shooting device is adjusted, during sand shooting, air suction is conducted on the interior of the cavity through the negative pressure fan, fine sand in a hot core box can be sucked out, the forming quality of spiral water channel sand blasting is guaranteed, meanwhile, a spiral water channel sand core is bonded through the rear bonding block, and the production efficiency is improved. The positioning precision of the spiral water channel sand core can be ensured, and the operation labor intensity is reduced.

The invention relates to a device for producing a sand core of a non-precoated sand shell of a supercharger bearing shell, which comprises a core shooter, is equipment for the casting industry, and comprises a stand column component, a sand shooting component, a mold frame component and a base, the negative pressure structure is arranged on one side of the mold frame component and is intermittently communicated with the interior of the mold frame component; in the negative pressure structure, a toothed plate in a sliding rail is connected with a reset spring, the spring is fixed to a limiting baffle, a push rod in the reset spring is connected with a toothed rod, the toothed rod is connected with a driving gear and other components, an upward lifting block in the toothed plate is matched with a mold slope lifting rod, a barge-back rod is arranged above the sliding rail, and a toothed plate side face air exhaust ratchet gear is connected with a reciprocating lead screw and the like. The exhaust pipe is communicated with the air storage tank which is provided with an electromagnetic valve; the device improves the efficiency and the quality, reduces the cost and the labor intensity, when the mold is closed, the mold drives the component to move upwards to exhaust air so as to reduce flying sand, and after core shooting, the component is reset to clean and recycle molding sand.

The present invention relates to the technical field of casting of automotive parts, and specifically to a casting sand mold forming device and method for automotive parts. An upper microporous plate and a lower microporous plate are arranged at intervals up and down in the air guiding flow channel. The lower microporous plate is located in the air guiding flow channel, and the upper microporous plate is pressed on the stepped surface communicating between the annular groove and the air guiding flow channel. The upper microporous plate and the lower microporous plate are connected by multiple groups of air pipes. The beneficial effects are as follows: By adding a pouring and ramming component to the existing casting process, multiple groups of sand injection channels can be used to selectively choose the sand injection position, and the sand injection position can be selected according to the characteristics of the model part to ensure complete filling of the small holes and grooves. At the same time, the air guiding flow channel is used to further carry out negative pressure air extraction on the sand mold after extrusion and compaction, reduce the gap between the sand bodies, improve the overall ramming strength, ensure the integrity of the sand mold after overall demolding, avoid collapse, and greatly improve the qualified rate.

The invention relates to the technical field of cooling fin casting, and discloses a multi-layer ultrathin cooling fin sand core mold and a casting device thereof, and the multi-layer ultrathin cooling fin sand core mold comprises a movable mold, a static mold, a blade core, a core pulling mechanism, a sand shooting mechanism, a driving mechanism, a heating mechanism, an ejector pin plate and a plurality of ejector pins. The mode that multiple layers of blades are fixedly stacked to form the blade core is adopted, the sand core is integrally formed in cooperation with the movable mold and the static mold, the precision of the sand core is improved, and the problem that the overall precision of the sand core cannot meet the precision requirement of an aero-engine due to stacking errors caused by stacking of multiple sand core pieces is solved. After the sand core is solidified, the blade core is firstly pulled away from the sand core through the core pulling mechanism, then the movable mold and the static mold are opened, the sand core is ejected out through the ejector pin, and the problem that the sand core cannot be completely separated from the mold is solved.

The application relates to the technical field of foundry molding, in particular to an aluminum alloy casting sand core molding machine; the machine comprises a base and a stand column fixedly connected to the rear position of the upper surface of the base; the upper end of the stand column is rotationally connected to a top base provided with an upper hydraulic cylinder; the lower end of the upper hydraulic cylinder is fixedly connected to a pressing plate; the front position of the upper surface of the base is fixedly connected to a support through a lower hydraulic cylinder; a plurality of electric push rods are embedded in the upper surface of the support; the upper surface of the support is provided with a mold plate provided with a mold sample and a rod groove; the mold plate drives a sand frame to move up and down in a hopper through control, so that a pressing strip can repeatedly beat the coated sand on the upper end of the sand frame, and the hopper assists the coated sand on the upper end of the sand frame to be supplemented, the coated sand in the sand frame is more compact and uniform in filling and pressing, the quality of the formed sand mold is improved, and compared with manual filling and pressing, the machine is more efficient and convenient.

The invention relates to the technical field of casting modeling, and discloses magnetic suspension vacuum pump body high-toughness aluminum alloy end cover casting equipment which comprises a jolt ramming table and a sand box body arranged at the top of the jolt ramming table, a fixed bottom plate is arranged in the sand box body, and a slidable lifting box is arranged at the bottom of the fixed bottom plate; a plurality of positioning rods are elastically installed in the lifting box, first through holes allowing the positioning rods to pass through are formed in the top face of the fixed bottom plate, the rod walls of the positioning rods are slidably attached to the inner walls of the first through holes, and the top ends of the positioning rods are arranged in an arc mode. According to the device, the bottom of the white mold in an irregular shape is attached to the outline of the positioning rod array, the placing stability of the white mold in the irregular shape is guaranteed, compared with a traditional manual sand padding fixing mode, the defects of cold shut and insufficient pouring caused by inclination of the white mold are fundamentally overcome, and the equipment adaptability and the production efficiency are remarkably improved.

The invention relates to the technical field of casting, and provides heat-resistant and wear-resistant steel production equipment and method.The heat-resistant and wear-resistant steel production equipment comprises a production device, a mold frame is arranged in the middle of the production device, the production device comprises a workbench, clamping assemblies are arranged on the two sides of the middle of the upper end of the workbench, and cavities are formed in the middles of the clamping assemblies; cavities are formed in the upper end of the workbench, vibration assemblies are arranged in the cavities, knocking assemblies are arranged in the middles of the two sides of the upper end of the workbench, a compaction assembly is fixedly installed on the rear side of the upper end of the workbench, ash storage assemblies are arranged on the two sides of the lower end of the workbench, and a rotating assembly is arranged in the middle of the workbench. By removing the holes in the middle and the lower portion of the green sand mixture in the mold frame, the middle and the lower portion of the green sand mixture in the mold frame are tighter, the compaction effect is improved, and then the situation that the yield is reduced due to the fact that the green sand mixture is heated to deform in the casting process is avoided.

The utility model relates to the technical field of core shooters, in particular to a sand shooting mechanism for a core shooter, which comprises a sand blasting head, a sand shooting mechanism and a sand shooting mechanism, the guide assembly is fixedly installed at the lower end of the sand blasting head, the guide assembly comprises a guide body, a guide plate is rotationally installed in the guide body, and the rotation angle of the guide plate can be adjusted; through the arrangement of the guide assembly, precoated sand output by the core shooter can be eccentric, so that the precoated sand can be obliquely sprayed towards one side with large demand quantity by adjusting the guide plate when facing a large-volume and eccentric part, and the uniform density of the precoated sand of the whole sand mold component is ensured; the screwing part is of a mechanical structure, and the angle of the guide plate can be more stably guaranteed when the screwing part faces impact of precoated sand on the guide plate; the feeding assembly is arranged, liquid raw materials needing to be mixed are mixed at the sand blasting outlet of the core shooter, it is guaranteed that precoated sand is mixed with the liquid raw materials when being sprayed out, and extra stirring is not needed.

The utility model discloses a sand scraping device of a molding machine, which belongs to the technical field of molding machines and is technically characterized by comprising a reciprocating component and a sand scraping component. According to the sand scraping device disclosed by the utility model, when the sand scraping operation is carried out on the molding mechanism, the device can be moved to the side of a molding machine through the moving assembly, and then the adjusting assembly can be adjusted according to the sizes of different molding machines, so that the heights and angles of the reciprocating assembly and the sand scraping assembly can be adjusted; the sand scraping assembly can be driven to move back and forth by operating the reciprocating assembly when the sand scraping operation is carried out, so that redundant molding sand can be scraped, and the molding sand compacting effect of the subsequent molding machine is improved.

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

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

The invention provides a train coupler casting method based on a precoated sand shell mold and a shell mold structure, and belongs to the technical field of ferrous metal casting, and the shell mold structure comprises a mold shell, an outer chilling block, an exothermic riser, an anti-scouring pouring gate, a core, an exhaust cap and an assembling method thereof. Wherein the mold shell comprises an outer shell assembly and an inner shell assembly, and the thickness of the outer shell assembly is larger than that of the inner shell assembly; the shell is further characterized by a hollow structure of a local thick and large part, an ox horn type flow gate and a cavity exhaust structure. The outer shell assembly is used for forming the outer shape of the coupler body, the inner shell assembly is used for forming the hollow part of the coupler body, and the characteristics of the coupler body casting mold are beneficial to obtaining the coupler body casting with high dimensional precision and good surface quality and internal quality, reducing the adverse effect of resin gas generation on the product, reducing the influence factor of shrinkage blocking, and improving the production efficiency. And the tendency of air holes and cracks of the casting is reduced.

The invention provides a brake disc air duct core and a manufacturing method thereof and a core box device, and relates to the technical field of casting devices.The brake disc air duct core is characterized in that a plurality of strip-shaped air ducts are evenly formed in the surface of a sand core body, the air ducts extend from the center of the sand core body to the edge, and the sand core body protrudes around the periphery of the sand core body in the vertical direction to form an outer ring core head; the middle of the sand core body protrudes in the vertical direction to form a middle core head, a protruding sand shooting face is arranged at the top of the middle core head, the middle core head and the bottom of the sand shooting face are hollow to form a middle sand core runner, and the technical problems that in the prior art, filling is insufficient in a thin-wall area or the edge, and the forming effect is poor are solved. The technical effect of improving the forming rate and the structural stability is achieved.

The invention discloses a mold for core making equipment and a curing method and application of the mold, and belongs to the technical field of core making machine molds. The curing method comprises the following steps that sand shooting forming is conducted, specifically, in the mold closing state, molding sand is shot into a mold cavity from a sand shooting nozzle in a mold body to be used for forming a sand core; and heating and curing are conducted, specifically, a curing medium heated to be in a gaseous state is injected into the cavity through a plurality of air inlet channels, the curing medium makes contact with the peripheral side of the sand core and then is diffused and permeated, the sand core is cured from the periphery of the sand core, and the air inlet ends of the air inlet channels are separated from the sand shooting nozzles. According to the invention, molding sand injected into the mold can be quickly and uniformly attached to the surface of the loose core, and each part of the sand core can be quickly and uniformly cured in a short time, so that the curing speed of large pieces and high pieces is greatly increased, the curing effect and efficiency are improved, the compactness of the sand core can be improved through vibration, and the production efficiency is improved. And the product quality is further improved.

The utility model discloses a double-station horizontal hot core machine, which comprises a hot core machine, a double-station circulating feeding mechanism and a mould push-pull mechanism, the double-station circulating feeding mechanism comprises a roller way, the roller way is provided with a mould lower mould I and a mould lower mould II, the mould lower mould I moves back and forth between a core taking position I and a mould machine entering position, and the mould lower mould II moves back and forth between a core taking position II and a mould machine entering position. The second lower mold body moves back and forth between the second core taking position and the mold machine entering position, a machine entering position rail is arranged on one side of the mold machine entering position, the upper mold body can be assembled with the first lower mold body and the second lower mold body on the machine entering position rail, and a piston of the jacking hydraulic cylinder penetrates through the connecting frame to be connected with the sand core demolding top plate. Ejector rods are arranged on the two sides of the sand core demolding ejector plate, and a push-pull hydraulic cylinder and an overturning hydraulic cylinder are connected to the overturning hook. The sand core curing time is parallel to the other sand core taking time, the production takt time of the hot core machine is greatly shortened, and the equipment is based on a conventional hot core machine and is matched with a double-station circulating system, so that the equipment is flexible and convenient to operate and high in production efficiency.

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 invention provides a core making machine and a sand shooting mechanism thereof, and relates to the technical field of casting equipment.The core making machine comprises the sand shooting mechanism, the sand shooting mechanism comprises a driving mechanism, a sand adding hopper, a sand shooting ventilation seat and a ventilation connecting seat, and a sand shooting ventilation cavity is formed in the sand shooting ventilation seat; the sand shooting ventilation seat is further provided with an air inlet of the sand shooting ventilation cavity and an air outlet of the sand shooting ventilation cavity, and the driving mechanism drives the sand adding hopper and the sand shooting ventilation seat to move between a first position and a second position; at the first position, the sand adding hopper is connected with a sand storage cylinder of the core making machine; at the second position, the air inlet of the sand shooting ventilation cavity is communicated with the ventilation connecting seat, and the air outlet of the sand shooting ventilation cavity is connected with the sand storage cylinder. The sand adding hopper and the sand shooting ventilation seat are respectively connected with the sand storage cylinder, and the sand shooting ventilation seat does not need to be arranged below the sand adding hopper, so that the arrangement height of the sand adding hopper can be reduced, and the overall height of the sand shooting mechanism and the core making machine can be effectively reduced.

The invention relates to the technical field of investment mold shell casting, in particular to an investment mold shell casting system which comprises a rack, a slurry barrel, a roasting furnace, a cooling barrel and a slag collecting barrel are sequentially installed on the rack in the clockwise direction, and multiple sets of regularly-distributed elastic striking rods are installed on the inner wall of the slag collecting barrel. A loading and unloading station is arranged at the position, corresponding to the position between the slurry barrel and the slag collecting barrel, of the machine frame, a casting frame is installed on the machine frame in a liftable mode, a transmission unit is arranged on the casting frame, and the transmission unit is in transmission connection with a rotating station frame capable of periodically rotating by 72 degrees and a rotatable transmission gear ring. The casting equipment has the beneficial effects that casting links such as ceramic slurry coating, roasting, cooling and slag collecting are integrated into the same equipment, and the orderly circulation of a parison among the links is realized through the slurry barrel, the roasting furnace, the cooling barrel and the slag collecting barrel which are sequentially arranged on the rack in the clockwise direction and the rotary station frame capable of periodically rotating.

The invention discloses evanescent mode casting equipment and technology for a gearbox shell of a new energy commercial vehicle, and belongs to the technical field of evanescent mode casting. The evanescent mode casting equipment is characterized in that a jolt ramming mechanism is installed in a workbench, a sand box is placed on the jolt ramming mechanism, a sand receiving mechanism and a screening mechanism are slidably arranged on the workbench, and the sand box comprises a box body; a second rectangular plate and a third rectangular plate are arranged in a sliding mode, the first rectangular plate and the second rectangular plate are connected in a clamped mode, the second rectangular plate and the third rectangular plate are perpendicularly distributed, the second rectangular plate slides outwards to achieve separation of the first rectangular plate and the second rectangular plate, meanwhile, the first rectangular plate can be driven to rotate downwards by a small angle, and falling of gravel in the sand box is achieved; and after the sand and the stones are completely fallen, the rotation angle of the first rectangular plate is driven to be increased, so that the falling of the castings in the sand box can be realized, the three-stage separation of sand and the stones, impurities and the castings is further realized, the separation processes do not interfere with each other, the operation is simple, and manpower and time are saved.

The invention relates to the technical field of casting processing, in particular to a core shooter convenient for die replacement, which comprises a lower die, an upper die, a first moving module and a base frame, the first moving module is arranged on one side of the base frame, the upper die is detachably mounted on the first moving module, and a template seat is mounted on the base frame through a second moving group; a plurality of vertical holes B are uniformly distributed in the template seat, two vertical holes A are formed in the template seat, and a frame body A and a frame body B are arranged at the bottom of the template seat; two positioning pins are fixed to the frame body A and installed in the corresponding vertical holes A in a telescopic and sliding mode respectively, and two positioning holes A are formed in the bottom of the lower die. Moving-in and moving-out of the mold are completed by matching the movable transfer table with the mold plate base, translation replacement of new and old molds is achieved, a traditional hoisting operation mode is replaced, the shaking and falling risks in the hoisting process are avoided, the safety of mold replacement operation is improved, meanwhile, the mold transfer path is simplified to a two-dimensional plane from a three-dimensional space, and the production efficiency is improved. And the die changing process is stable and controllable.

The utility model relates to a through-type drawing device for a plurality of large iron molds with different cavities, and belongs to the field of machinery. The device comprises movable trolley tracks, a lifting travelling crane, a plurality of movable trolleys, a fixed iron mold and a model drawing separation mechanism, the movable trolleys are all arranged on the movable trolley tracks, the movable trolley tracks are arranged on the two sides of the fixed iron mold and the model drawing separation mechanism, the lifting travelling crane is arranged above the fixed iron mold and the model drawing separation mechanism, and the lifting travelling crane is arranged above the fixed iron mold and the model drawing separation mechanism. Two rails are installed on a base in the fixed iron mold and model drawing separation mechanism, drawing supports are fixed to the two sides of the rails, two lifting drawing hydraulic cylinders are installed in the upper plane of each drawing support, a plurality of clamping mechanisms are fixed to each drawing support, and two drawing beams are fixedly connected through two drawing supporting beams. The device is reasonable in structural design, convenient to install, reliable in operation, low in labor intensity, high in mechanization degree, good in drawing quality of an iron mold casting mold, smooth in technological process and capable of meeting use requirements.

A gantry core shooter, comprising: a conveying member (120), a sand shooting member (130), an air blowing member (140), a support member (150), and a gantry (110). The conveying member, the sand shooting member, the air blowing member, and the support member are sequentially arranged from top to bottom, the sand shooting member is simultaneously communicated with the conveying member and the air blowing member; the support member is configured to accommodate a sand core; the sand shooting member and the air blowing member are both connected to the gantry; the gantry is configured to drive the sand shooting member, the air blowing member, and the conveying member to move; and the conveying member is configured to convey sand and gas to the sand shooting member. According to the gantry core shooter, the sand shooting member, the air blowing member, and the conveying member can be driven to move by the gantry during working, so as to achieve sand shooting operation of an ultra-large sand core; and the conveying member can respectively convey sand and gas in different working stages, such that a sand supply structure and a gas supply structure are simplified, thereby improving the core manufacturing efficiency.

The invention discloses a planet carrier shell core preparation mold and a preparation process thereof, and belongs to the technical field of casting. The preparation mold comprises a core box, the core box is composed of two split molds, a sand pouring opening is formed in the position, located in the middle of a connecting line of the two split molds, of the upper end face of the core box, and a sand shooting opening is formed in each of the two sides of the sand pouring opening; a cavity for forming a planet carrier shell core is formed in the inner side surface of the split mold and is communicated with the sand shooting opening through a sand shooting channel formed in the inner side surface of the split mold. The shell core for planet carrier casting can be prepared, and compared with a traditional solid sand core, the production cost is obviously increased, and the production efficiency is obviously improved.

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

The invention relates to a jolt ramming table for lost foam casting, and belongs to the technical field of lost foam casting, the jolt ramming table comprises a jolt ramming table body, a limiting mechanism for limiting a sand box is arranged on the jolt ramming table body, and side striking mechanisms for striking the two sides of the sand box are arranged on the two sides of the jolt ramming table body; the side-striking mechanism comprises a vertically-arranged main rod, a plurality of side-striking components are arranged on the inner side of the main rod, and a driving module for driving the main rod to move close to or away from the sand box in a reciprocating mode is arranged on the compaction table body. The driving module drives the main rod to move close to or away from the sand box in a reciprocating mode, so that the side striking component collides the side wall of the sand box back and forth, the sand box further generates vibration in the side direction, then molding sand in the sand box is further vibrated and compacted, and the compaction effect is improved.