36results about "Mould tables" patented technology

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 utility model discloses a multi-angle uniform sand spraying device for casting processing. The multi-angle uniform sand spraying device comprises a stock bin and a collecting bin, the casting wax mold sand spraying device has the beneficial effects that the mounting disc and the overturning disc are adopted, when sand spraying is carried out on a casting wax mold, the casting wax mold can be fixed on the top surface of the mounting disc, then the stepping motor can be started to drive the rotating disc to rotate, the top hole is aligned with the bottom hole, and molding sand in the stock bin can fall and be sprayed on the top surface of the casting wax mold; the driving motor drives the mounting disc to rotate and drives the casting wax mold to rotate, the sand spraying uniformity is improved, meanwhile, the brake motor drives the main shaft to rotate, drives the overturning disc to overturn by 90 degrees and drives the casting wax mold to overturn by 90 degrees, the rotation state is kept all the time, molding sand is sprayed to the surface of the side wall of the casting wax mold, and uniform sand spraying is completed. And when the casting wax mold which is vertically overturned rotates, locally over-thick molding sand can freely fall under the action of gravity, so that the molding sand spraying uniformity and the molding sand spraying completeness are improved, and the sand spraying working efficiency is further improved.

The application belongs to the technical field of molding machines, and particularly relates to a cold core molding machine, which comprises a rack, a sand shooting hopper, a blowing box, an upper core box and a lower core box, a drive vehicle connected with the lower core box below the rack; the sand shooting hopper is fixedly connected with the rack, and the sand shooting hopper is fixedly connected with a sand shooting plate; both sides of the upper core box are provided with support assemblies which are overlapped with the rack; a jacking mechanism is arranged below the rack; the blowing box is slidably connected with blocking plates on both sides, the blocking plates are provided with limiting protrusions, the blowing box is provided with blowing nozzles, the blocking plates are provided with air extraction channels which penetrate through the bottom of the blocking plates, and the blocking plates are provided with air extraction holes and air extraction pipes which are communicated with the air extraction channels. The sand shooting hopper is fixed to the rack, and a movable sand shooting frame and a matched driving device are omitted. The blowing box, the sand shooting plate and the upper core box form airtight and clean cavities through the blocking plates, and the blowing nozzles and the air extraction channels can effectively clean residual core sand and collect and treat the residual core sand, so that environmental pollution is reduced.

This invention relates to the field of lost foam casting, specifically a continuous dryer for lost foam casting coatings. It includes a base, a turntable mounted on the base, and multiple material seats on the upper surface of the turntable. A main pipe is positioned in the center of the turntable, with its outer ring rotatably connected to the inner ring of the turntable. Multiple branch pipes are mounted on the main pipe, with multiple branch pipes also mounted on the outer ring of the upper end of the main pipe. Each branch pipe is connected to the main pipe, and a cover plate is fixed to the upper end of the main pipe. The cover plate is arc-shaped and inverted above the turntable, forming a drying channel with the turntable. During operation, after the lost foam casting is coated with slurry, it can be placed directly on the material seats, eliminating the need to place it on a material rack, thus improving work efficiency. Simultaneously, the exposure time and drying time of each coated lost foam casting tend to be similar, ensuring the quality of each lost foam casting product. Furthermore, the connection to the continuously rotating turntable achieves continuous drying of the lost foam casting coating, further enhancing production efficiency.

The invention relates to the field of evanescent modes, in particular to an evanescent mode coating continuous drying machine which comprises a base, a rotating disc is arranged on the base, and a plurality of material seats are arranged on the upper surface of the rotating disc. A main pipe is arranged in the middle of the turntable, an outer ring of the main pipe is rotatably connected to an inner ring of the turntable, a plurality of branch pipes are arranged on the main pipe, a plurality of branch pipes are arranged on an outer ring of the upper end of the main pipe, each branch pipe is communicated with the main pipe, a cover plate is fixedly connected to the upper end face of the main pipe, the whole cover plate is arc-shaped and inversely buckled above the turntable, and a drying channel is defined by the cover plate and the turntable; when the continuous drying machine for the lost foam coating is operated, the lost foam can be directly placed on the material seat without being placed on a material frame after being dipped with slurry, so that the working efficiency is improved, meanwhile, the exposure time of each dipped lost foam in the air and the drying time tend to be the same, the drying production quality of each lost foam coating can be ensured, and the production cost is reduced. And the rotary table which continuously and slowly rotates is connected, so that the purpose of continuously drying the evanescent mode coating is achieved, and the production efficiency is improved.

The utility model discloses a mould shell roasting furnace with small upper and lower temperature difference, which solves the problems of non-uniform section temperature and the like in the prior art, and is characterized in that a support column (4) and a shed plate (5) are arranged on a furnace bottom (3) of the roasting furnace, and a mould shell (6) is placed on the shed plate (5), so that a lower flame path (7) is formed between the mould shell (6) and the furnace bottom (3), and an upper flame path (9) is formed between the mould shell (6) and a furnace top (14); the upper row of combustors and the lower row of combustors are obliquely and evenly arranged on the planes corresponding to the upper flame path and the lower flame path in a staggered and multi-point mode along the outer ring of the furnace wall of the roasting furnace body (1), and a smoke discharging barrel (11) is arranged in the center of the furnace top. The feeding furnace door (12) and the discharging furnace door (13) are arranged on one side of the furnace wall and controlled to ascend and descend through an automatic control device. The device has the advantages of simple structure, low maintenance rate, reduction of section temperature difference, shortening of heating time, reduction of unit consumption of products, improvement of mold shell quality and the like, effectively reduces the production and operation cost of enterprises, and has very wide market prospects.

The utility model discloses a sand casting mold convenient for positioning a sand box. A convex mold is arranged on the upper surface of a mold table, an end part fixing limiting block is arranged at one end of the upper surface of the mold table, a side edge fixing limiting block is arranged on one side of the upper surface of the mold table, and a plurality of fixed semi-ring bodies are arranged on one side, far away from the side edge fixing limiting block, of the mold table; the movable limiting piece is movably arranged on the side, located on the fixed semi-ring body, of the die table, the movable limiting piece is in threaded fit with the adjusting screw rod, and the end of the adjusting screw rod is in rotating fit with the fixed semi-ring body and the semi-ring body gland through the limiting ring. The movable limiting piece can move through cooperation of the adjusting screw rod, after the sand box is used for a long time and deforms, the sand box which slightly deforms can be continuously used by moving the movable limiting piece, the situation that the sand box cannot be used due to deformation of the sand box is avoided, flexibility and applicability are greatly improved, and cost is saved.

The invention discloses a sand casting efficient mold pressing device with a rapid mold replacement function, and belongs to the technical field of casting mold pressing, the sand casting efficient mold pressing device comprises a mold pressing mechanism, a turnover mechanism, a mold taking and placing mechanism and a rotating table driven by a motor, and further comprises a mold, a lower mold box, an upper mold box and a positioning assembly; the turnover mechanism comprises a first turnover frame, a second turnover frame and a turnover driving module; the inner sides of the first overturning frame and the second overturning frame are rotationally mounted in the middle of the rotating table, and an overturning driving module is mounted on the side edge of the rotating table; a mold taking and placing mechanism is mounted on the first overturning frame; the mold taking and placing mechanism comprises a synchronous moving module and a replaceable clamping module. A replaceable clamping module used for clamping a mold is installed at the moving end of the synchronous moving module, a lower mold box is placed on the replaceable clamping module and the second overturning frame, and an upper mold box is placed on the lower mold box. In this way, the die pressing continuity is improved through the rotating table, the die pressing mechanism, the overturning mechanism and the die taking and placing mechanism.

The utility model relates to the technical field of sand core forming, and discloses a casting sand core forming device for a casting mold, which comprises a working table, side plates are mounted at two ends of the working table, first clamping grooves are formed in the upper ends of the side plates, hydraulic rods are mounted in the middles of the side plates, and pressing rods are arranged below the hydraulic rods. A positioning plate is installed at the output end of the hydraulic rod, and an inserting groove is formed in the lower portion of the positioning plate. When the mold needs to be replaced, the hydraulic rod shrinks to drive the mold on the positioning plate to move towards the side plate until the abutting rod penetrates through the inserting groove to extrude the positioning rod in the mold, the positioning rod is disengaged from the clamping connection with the inserting groove in the positioning plate, and at the moment, the mold needs to be replaced is located above the through groove; when a new mold needs to be replaced, the new mold is clamped to the first clamping groove in the side plate through the clamping strip, the new mold is moved downwards through the handle to be clamped to the second clamping groove in the positioning plate, the mold needing to be replaced abuts against the interior of the containing cavity, and at the moment, the new mold abuts out the mold needing to be replaced.

The application relates to the technical field of core shooting machines, and provides a core shooting machine and a core shooting method.The core shooting machine comprises a frame body, an upper mold fixing base arranged on the frame body, the upper mold fixing base being capable of fixing an upper mold; a lifting lower mold base arranged on the frame body in a lifting mode, the lifting lower mold base being located at the bottom of the upper mold fixing base, and the lifting lower mold base being capable of ascending to drive a lower mold to approach the upper mold and combine with the upper mold; an upper sand shooting mechanism arranged on the frame body in a moving mode, the upper sand shooting mechanism being capable of moving to approach the top of the upper mold fixing base and abutting against the top of the upper mold; and at least one side sand shooting mechanism arranged on the frame body in a moving mode, the side sand shooting mechanism being capable of moving to approach the side edge of the upper mold, and the side sand shooting mechanism and the upper sand shooting mechanism being capable of acting independently.The upper mold and the fixed upper mold provided by the application are capable of ascending, the upper sand shooting mechanism and the side sand shooting mechanism are arranged on the frame body in a moving mode, the vertical sand shooting machine and the horizontal sand shooting machine are combined, and the technical problem that the vertical sand shooting machine and the horizontal sand shooting machine cannot be simply combined in the prior art is solved.

The invention discloses a vertical parting molding machine and a molding method thereof, and belongs to the field of casting sand mold molding, the vertical parting molding machine comprises a rack, a cavity assembly used for manufacturing a sand mold is arranged on the rack, and molding mechanisms used for extrusion molding of the sand mold are arranged on the two sides of the cavity assembly respectively. A sand blasting cylinder used for blasting sand is arranged above the cavity assembly, and the sand blasting cylinder passes through a multifunctional adjusting mechanism with lifting, front-back deflection adjusting and left-right deflection adjusting functions; the modeling mechanism comprises a central pressing plate, the central pressing plate is connected with the lifting plate through a uniform pressure applying structure, and a pressing plate size adjusting structure is arranged around the central pressing plate. By the adoption of the vertical parting molding machine and the molding method thereof, the problem that according to an existing vertical parting molding machine, the sizes of the front pressing plate and the back pressing plate cannot be adjusted according to cavity assemblies of different sizes, and therefore molding of sand molds of different sizes is achieved can be solved.

The utility model discloses a portable multifunctional operating platform for molding, which relates to the technical field of investment casting and comprises an upper flat plate and a jacking device. A lower flat plate is fixed to the lower end of the upper flat plate, and a heating assembly is hung on the lower portion of the lower flat plate; the jacking device comprises a jacking column, a bracket, a roller and a locking surface; by arranging the jacking device, the movement of the metal mold can be changed from pure friction movement to rolling movement, so that the friction force is greatly reduced, the labor intensity of workers is reduced, by arranging the heating assembly, the preheating function of the metal mold on the operation table can be achieved, repeated disassembly and carrying are not needed, and the production efficiency is improved. Meanwhile, the multiple sets of V-shaped grooves and adjusting screw holes are formed, the heating assemblies can be flexibly changed and adjusted according to the size of the metal mold, and different working condition requirements are met.

The invention discloses a turbocharger shell sand box with a holding protection function, and relates to the technical field of casting, a sand box body is a double-layer box body, the sand box body is divided into an outer-layer box body and an inner-layer box body, and the vibration assembly comprises a bottom vibration part, a transmission part and a side edge vibration part; the bottom vibrating part is arranged between the outer-layer box body and the inner-layer box body, the bottom vibrating part is fixedly connected with the inner-layer box body, and the bottom vibrating part drives the inner-layer box body to reciprocate up and down through a driving device; the transmission parts are arranged on the two sides of the bottom vibration part, and the bottom vibration part drives the transmission parts to move synchronously; and the side edge vibrating pieces are arranged on the side edges of the outer-layer box body and the inner-layer box body, the side edge vibrating pieces are connected with the transmission pieces, and the bottom vibrating pieces move to drive the side edge vibrating pieces to vibrate the inner-layer box body through the transmission pieces, so that the molding sand can be uniformly distributed in the inner-layer box body.

This invention discloses a manual wet clay sand pneumatic mold, relating to the field of casting technology. It includes a base, a pair of side plates, a top plate, a sand-bearing plate, a cylinder, a support plate, a mold core, and a sprue core. The pair of side plates are vertically and parallelly arranged on the left and right sides of the base. The top plate is horizontally positioned on top of the pair of side plates. The sand-bearing plate is fixedly positioned on the upper surface of the top plate. The cylinder is fixedly positioned at the center of the upper surface of the base. The support plate is horizontally positioned and fixedly connected to the output end of the cylinder. This invention features a reasonable structural design and reliable component connections, effectively optimizing the operation process, reducing labor intensity, and improving the quality and consistency of sand mold forming.

The invention relates to the technical field of core shooters, and provides a core shooter and a core shooting method. The core shooter comprises a frame body, an upper mold fixing seat is arranged on the frame body, and an upper mold can be fixed by the upper mold fixing seat; the lifting lower die holder is arranged on the frame body in a lifting manner, is positioned at the bottom of the upper die fixing seat, and can ascend to drive the lower die to be close to the upper die and be combined with the upper die; the upper sand shooting mechanism is movably arranged on the frame body, and the upper sand shooting mechanism can move to be close to the top of the upper mold fixing seat and be attached to the top of the upper mold; the at least one side sand shooting mechanism is movably arranged on the frame body, the side sand shooting mechanism can move to be close to the side edge of the upper mold, and the side sand shooting mechanism and the upper sand shooting mechanism act independently. According to the mode of the liftable lower mold and the fixed upper mold provided by the invention, the upper sand shooting mechanism and the side sand shooting mechanism are movably arranged on the frame body, so that the combination of the vertical sand shooting machine and the horizontal sand shooting machine is realized, and the technical problem that the vertical sand shooting machine and the horizontal sand shooting machine cannot be simply combined in the prior art is solved.

The present application relates to a kind of green frozen sand mold additive manufacturing forming system equipment and method, including heat-insulated sealed printer shell;Detachable multifunctional printing platform;With temperature adjustment function's ink supply system;With heat insulation function's printing assembly;Adjustable sanding volume's sanding device;Adjustable interlayer refrigerator;Multi-material precooling sand mixing device;External control cooling and humidity refrigerating unit.The device of the present application is based on the principle of additive manufacturing, according to the designed three-dimensional digital model of casting, adopts interlayer cooling method to rapidly cool down and freeze the sprayed water-based ink, forms layer by layer, can quickly produce multi-material, green pollution-free, high-quality complex sand mold (core), meet the casting needs in many aspects, improve the performance and precision of casting, realize the high efficiency, high performance and green casting of complex casting.

This invention relates to the field of casting equipment technology and discloses a heat-resistant and wear-resistant casting workbench, including a workbench surface, a base at the bottom of the workbench surface, positioning mechanisms fixedly connected to the four corners of the top of the workbench surface, clamping mechanisms on both sides, and a cooling mechanism inside. The workbench surface includes a surface layer, a load-bearing layer, corner supports, and a support frame, wherein the surface layer, load-bearing layer, and support frame are fixedly connected from top to bottom. The load-bearing layer includes an upper load-bearing layer and a lower load-bearing layer, and pipe grooves are formed on the contact surfaces of the upper and lower load-bearing layers. The pipe grooves are used to place the cooling pipes of the cooling mechanism. By setting the workbench surface into three levels of surface layer, load-bearing layer, and support frame, the surface layer is made of heat-resistant alloy steel, and the load-bearing layer is made of high-temperature resistant fiberboard. In addition to using heat-resistant and wear-resistant materials, sufficient thickness is ensured to withstand high temperature and mechanical load, which is beneficial to increasing the overall heat resistance and wear resistance of the workbench surface.

The utility model belongs to the technical field of evanescent mode casting, and particularly relates to a sand box platform for evanescent mode casting, which comprises a fixing plate, electric slide rails are fixedly mounted on two sides of the top of the fixing plate, sliders are slidably connected to the surfaces of the electric slide rails, and a connecting plate is fixedly mounted at the top of each slider. A supporting plate is arranged at the top of the connecting plate, and the surface of the supporting plate is in threaded connection with a locking bolt. The electric push rod is started to drive the flattening plate to perform downward pressing motion, the flattening plate can perform extrusion treatment on the filling material in the casting sand box body after the downward pressing motion of the flattening plate is adjusted, the filling material in the casting sand box body can move downwards after being extruded, so that a flat state is achieved, and the filling material is prevented from falling off after being extruded. And the filling material can be in full contact with the interior of the casting sand box body, so that the sand box achieves a complete filling effect, gaps in the sand box are prevented, and the lost foam casting effect is guaranteed.

The present invention discloses an iron mold sand covering production line, comprising a molding section, a core lowering section, a box assembly section, a pouring section, a box opening and dropping section, a sand cleaning section, and a mold cleaning section which are arranged in a ring and connected in sequence by conveyor rollers, and each section is connected by a conveyor roller, wherein the molding section comprises a molding station one and a molding station three for sand covering a first type of sand box, and a molding station two and a molding station four for sand covering a second type of sand box, and a bidirectional roller is provided between molding station one and molding station three, and between molding station two and molding station four; the iron mold sand covering production line proposed in the present invention has a first box transfer machine which conveys the sand box after sand cleaning to the molding section, and the provision of multiple molding stations improves the sand covering efficiency of the sand box, and at the same time, sand coverings of different shapes can be produced on the same production line, saving investment in equipment costs, realizing the recycling of the sand box, and greatly improving production efficiency.

The invention belongs to the technical field of molding machines, and particularly relates to a cold core molding machine which comprises a rack, a sand shooting hopper, an air blowing box, an upper core box and a lower core box, and a driving vehicle connected with the lower core box is arranged below the rack; the sand shooting hopper is fixedly connected with the rack; the sand shooting hopper is fixedly connected with a sand shooting plate; two sides of the upper core box are provided with supporting assemblies which are in lap joint with the rack; a jacking mechanism is arranged below the rack; the two sides of the blowing box are connected with plugging plates in a sliding mode, limiting protrusions are arranged on the plugging plates, blowing nozzles are arranged on the blowing box, air exhaust channels are formed in the plugging plates, and the air exhaust channels penetrate through the bottoms of the plugging plates; the plugging plate is provided with an air exhaust hole and an air exhaust pipe which are communicated with the air exhaust channel. The sand shooting hopper is fixed to the rack, and a movable sand shooting frame and a matched driving device are omitted. And a closed cleaning cavity is formed among the blowing box, the sand shooting plate and the upper core box through a blocking plate, and residual core sand can be effectively cleaned, collected and treated in combination with a blowing nozzle and an air exhaust channel, so that the environmental pollution is reduced.

The application discloses a shell manufacturing equipment for investment casting and a shell manufacturing process thereof, and relates to the technical field of investment casting equipment, which comprises a box body, a supporting assembly, a power assembly and a discharging assembly. Through-slots are arranged on the two sides of the box body, and conveying guide rails are arranged between the two through-slots in a penetrating mode. The bottom of the conveying guide rails is provided with the supporting assembly, the supporting assembly is provided with wax mold workpieces, the top of the supporting frame is fixedly provided with a first mounting disc, the supporting frame is uniformly mounted on the side surface of the first mounting disc, the power assembly is used for driving the rotation of the supporting assembly and adjusting the supporting angle of the supporting assembly, and the discharging assembly is used for uniformly providing sand in the box body. Through the cooperation of the supporting assembly and the telescopic and rotatable power assembly, the wax mold workpieces can be supported and rotated in the horizontal direction and supported and rotated in the upward tilting direction, and the wax mold workpieces can be uniformly sand-coated under the uniform sand discharging of the discharging assembly.

The utility model provides a roasting device for investment casting, which relates to the technical field of investment casting and comprises a device body, a placing groove is arranged on the surface of the top end of the device body, a lifting mechanism is arranged in the device body, and a U-shaped protective plate is connected and mounted at the top end of the lifting mechanism. And a first driving motor is arranged in the U-shaped protection plate, the output end of the first driving motor is connected and provided with a placing plate, the placing plate is installed in the placing groove, and the two sides of the placing groove are provided with a set of roasting mechanisms. According to the device, a to-be-roasted shell can be placed in a placement groove, then a protective door is closed, a roasting assembly and a first driving motor are started through a control panel to conduct roasting operation on the shell, the shell can be evenly rotated under the action of the first driving motor, and then roasting of the shell can be more uniform; and the roasting efficiency is indirectly improved.

The invention relates to the technical field of mold manufacturing, and discloses a rapid forming mold sample plate manufacturing device which comprises a rack mechanism, transverse grooves are formed in the front side and the rear side of the interior of the rack mechanism, and a transmission motor is installed on the right side of the rack mechanism. In order to solve the problem that in the prior art, molding sand needs to be manually filled into a mold cavity of a mold, but due to the fact that filling is not compact, large gaps exist in the molding sand easily in the manufacturing mode, through cooperative linkage of all mechanical parts, the problems existing in manual molding sand filling in the prior art are effectively solved, and the production efficiency is improved. After the clamping push rod pushes the clamping plate assembly to fix the mold assembly, the transmission motor drives the transmission screw to enable the movable support to move, and precise transfer of the mold assembly is achieved in cooperation with the displacement assembly and the rotating motor. The cleaning motor drives the brush assembly to rotate, the inner cavity of the mold assembly is cleaned under cooperation of the adjusting push rod, and the situation that residues affect molding sand filling is avoided.

This invention relates to the field of casting equipment technology, specifically disclosing a pump and valve casting demolding device, including a recovery box. A crossbeam is fixedly installed on the recovery box, with the crossbeam near the center. A bearing structure is fixedly installed on the crossbeam, and a limiting structure is fixedly installed on the bearing structure. A loading unit is detachably installed on the bearing structure, and the loading unit is fixed by the limiting structure. A detachment structure is detachably installed on the limiting structure. Through the sealing and fitting design of the loading unit and the precise pushing design of the detachment structure, after the bottom of the box separates from the outer casing, the molding sand automatically scatters and is recovered, and the casting is smoothly moved out by the directional pushing of the pusher plate, completely solving the problem of difficult casting removal under the lost foam casting process.

The invention belongs to the technical field of casting equipment, and particularly relates to a wax mold sand coating machine which comprises a shell, a transparent door is slidably connected to the outer portion of the shell, a sand shooting nozzle is installed at the top end of the shell, and a supporting table is arranged below the sand shooting nozzle; the supporting table comprises a limiting table fixedly connected to the inner bottom face of the shell and further comprises a plurality of sliding supporting tables which are connected in an inserted mode. A jacking assembly is arranged below the supporting table, the jacking assembly comprises a jacking block, and the jacking assembly drives the sliding supporting table to slide up and down through the jacking block; by starting the jacking assembly, the jacking assembly operates to drive the sliding supporting table to move upwards, so that the wax mold is driven to move upwards, the distance between the wax mold and the sand shooting nozzle can be adjusted, the sand coating effect is guaranteed, and the sand coating uniformity of the wax mold is improved.

This invention relates to the field of molding machine technology and discloses a molding machine for the rear axle housing of a three-wheeled motorcycle. It includes an electrical control cabinet, with a vibration assembly and a compaction assembly on one side of the cabinet. A vibration piston is installed inside the inner cylinder, and a support plate is connected to the vibration piston. A compaction plate is connected to one end of the rotating arm. Compaction cylinders are symmetrically arranged on both sides of the vibration cylinder. A mold-lifting rod is connected to the telescopic rod end of the compaction cylinder, and the top end of the mold-lifting rod is connected to the bottom surface of the support plate. The mold-lifting assembly separates the sand box and the mold template upon activation. It also includes a transfer platform located on one side of the vibration cylinder. This invention, through the linkage structure of the vibration cylinder and the compaction cylinder, allows the vibration piston to drive the support plate in high-frequency vibration, while the compaction cylinder provides stable support to the bottom of the support plate via the mold-lifting rod. This concentrates the vibration force on the molding sand inside the sand box, preventing the support plate from shifting during vibration and ensuring the uniformity of the sand mold density for the rear axle housing.

To provide a core mounting operation device reducing a load to the body of a core mounting operator and improving operability by bringing a core mounting position close to a standing position of the operator.SOLUTION: A core mounting operation device comprises: a pair of roller supporting members extending along the conveyance direction of a lower molding flask; plural rollers provided freely rotatably at the pair of roller supporting members and respectively arranged along the conveyance direction of the lower molding flask; and a supporting member holding part holding the pair of roller supporting members. The plural rollers are respectively arranged at the side face on the outside of the roller support member at a side far from the central position in a direction perpendicular to the conveyance direction of the pair of roller supporting members.SELECTED DRAWING: Figure 2

The invention relates to the technical field of casting equipment, and discloses a heat-resistant and wear-resistant casting workbench which comprises a workbench surface, a base is arranged at the bottom end of the workbench surface, positioning mechanisms are fixedly connected to the four corners of the top end of the workbench surface, clamping mechanisms are arranged on the two sides of the workbench surface, and a cooling mechanism is arranged in the workbench surface. The working table top comprises a surface layer, a bearing layer, a corner bracket and a supporting framework, the surface layer, the bearing layer and the supporting framework are sequentially and fixedly connected from top to bottom, the bearing layer comprises an upper bearing layer and a lower bearing layer, a pipeline groove is formed in the contact face of the upper bearing layer and the lower bearing layer, and the pipeline groove is used for containing a cooling pipeline of the cooling mechanism; the working table top is divided into the surface layer, the bearing layer and the supporting framework, the surface layer is made of the heat-resistant alloy steel material, the bearing layer is made of the high-temperature-resistant fiber board, the heat-resistant and wear-resistant material is adopted, the enough thickness is guaranteed to bear high temperature and mechanical loads, and the overall heat resistance and wear resistance of the working table top can be improved.

The utility model discloses an adjustable modeling platform for preventing the deformation of a large gold mold base, which relates to the technical field of modeling platforms, and comprises a modeling platform, the modeling platform consists of an adjusting table group and a body, the middle of the body is provided with a groove matched with the adjusting table for use, and a height adjusting component is arranged between the adjusting table group and the groove. According to the device, the height of the first adjusting table and the height of the two second adjusting tables are adjusted through the height adjusting assembly, so that the middle position of the platform protrudes, the bottom face of a foam model is concave in the middle before molding, part of the middle-protruding deformation of the bottom face after pouring is counteracted, the bottom face of a gold mold base is smooth, or the deformation is controlled within the range of the machinable amount, and casting scrap is reduced.

The utility model discloses a sand mould compaction device which comprises a mounting frame and a top frame, the top frame is fixedly mounted on the top surface of the mounting frame, a hydraulic rod is vertically and fixedly mounted on the top surface of the top frame, a lifting plate is fixedly mounted on the bottom surface of a piston rod of the hydraulic rod, and an upper connecting rod is fixedly connected to the bottom surface of the lifting plate. And the upper connecting rods penetrate through the top surfaces of the mounting frames and extend between the mounting frames. The device has the beneficial effects that the top plate and the bottom plate are adopted, a sand box can be placed between the top plate and the bottom plate in the sand mold vibration process, then the hydraulic rod pushes the lifting plate and the top plate to move downwards, the guide rods located on the bottom surface of the top plate and the top surface of the bottom plate abut against the top surface and the bottom surface of the sand box, and the upper vibration motor and the lower vibration motor are started at the same time; sand mold compaction is carried out by vibrating the upper portion and the lower portion of the sand box at the same time, the vibration coverage is large, the vibration effect is good, the working efficiency is remarkably improved, meanwhile, the hydraulic rod drives the top plate to ascend and descend, the trouble of manual fixing is omitted, and use convenience is improved.