15 results about "Rapid casting" patented technology

The present disclosure proposes a soluble ceramic shell / core and a preparation method and an application, and belongs to the technical field related to rapid casting. The preparation method includes the following steps: step S1: performing ball milling and drying on a raw material containing calcium oxide and a modifying solution to obtain a modified calcium oxide powder; step S2: printing the modified calcium oxide powder into a ceramic shell / core primary blank, and performing heat curing, infiltration and drying to obtain a ceramic shell / core blank; and step S3: sintering the ceramic shell / core blank to obtain the soluble ceramic shell / core. The present disclosure prepares the ceramic shell / core by a 3DP molding process, which is simple in procedure and short in production cycle, and does not need support, wherein solubility of the calcium oxide, after casting, makes it easier for a casting to be de-shelled. In addition, the raw material during a sintering process cannot be decomposed, which reduces shrinkage during the sintering process and can meet requirements for molding a large and complex structural ceramic shell / core.

The invention discloses an auxiliary casting process based on an FDM3D printing empty shell, which comprises the following specific casting processes: partitioning according to the size of a model and stress partition areas, and gluing while adopting mortise and tenon joint connection between adjacent partitions; printing a treated model and a riser pouring gate, removing a support from the model, and then improving the smoothness of the model; sand is burnt on layer by layer to manufacture a shell; burning off the 3D printed model at high temperature to form a sand shell; cleaning an inner cavity of the sand shell; and casting a casting by using the empty sand shell. The auxiliary casting process has the advantages of high casting speed, low cost and high-quality delivery, can help enterprises to shorten the time from design to finished products, and is of great significance to quick response, pilot production or small-batch production of the market.

The utility model belongs to the technical field of sand mold rapid casting, and discloses casting 3D printing sand mold rapid casting equipment which comprises a fixing box, a printer body is installed in the fixing box, two translation sliding grooves are formed in the inner wall of the bottom end of the fixing box, a printing box is movably installed in the fixing box, and a protruding block is fixedly installed on the front end face of the printing box. Through holes are formed in the upper end and the lower end of the protruding block, inserting rods are movably installed in the through holes, two supporting assemblies capable of supporting the printing box to horizontally move and slide are installed on the side walls of the front side and the rear side of the printing box correspondingly, and two anti-toppling assemblies capable of preventing the printing box from toppling in the moving process are installed at the bottom end of the printing box. The hydraulic push rod at the bottom end of the fixed box slowly shrinks to enable the fixed box to incline, so that the printing box slowly slides out, and in the sliding-out process, the printing box is supported through the lifting rod, the universal wheels, the rotating plate and the second universal wheels, and it is guaranteed that the printing box can horizontally move and slide out of the fixed box.

The application provides a stainless steel casting investment rapid casting equipment, which comprises a base, a pouring assembly is arranged on the base, a protection structure is arranged on a rotating frame of the pouring assembly, the protection structure comprises two connecting seats fixedly connected to the rotating frame and protection assemblies arranged on the two connecting seats, a fixing assembly for fixing the protection assemblies is arranged on the protection assemblies, a limiting assembly for limiting the fixing assemblies is arranged on the protection assemblies, and the protection assemblies are driven to rotate through a driving structure. The protection structure and the driving structure are used in cooperation, the protection cloth can be unfolded and folded by one key, the high-temperature molten liquid is effectively blocked from splashing, the heat loss of the molten liquid is reduced, manual laying of the protection cloth is not needed, the pouring preparation time is shortened, the operation safety and the process continuity are improved, the automatic and rapid clamping mode greatly shortens the time consumption for positioning the refractory shell, the equipment is suitable for different specifications of the investment refractory shell, and the rapid casting is achieved.

The application provides a four-side forming metal connecting piece, a casting device and a casting method thereof, the casting device comprises a processing plate, symmetrically arranged forming half-molds on the processing plate, and forming cavities symmetrically arranged in the forming half-molds; further comprising a mold core, the mold core is symmetrically and correspondingly provided with forming inserts on both sides; one side of the forming insert is correspondingly provided with a side forming piece; further comprising a ejector rod, the ejector rod is correspondingly arranged with the forming insert. The application is a mold for realizing one-time rapid casting of the four-side forming metal connecting piece, is provided with two forming areas, and can produce two products at a time, so that the production efficiency is high; meanwhile, the material yield of the product is improved, the production of waste materials is reduced, and the production cost is reduced. The application adopts a new type of casting mold which can be repeatedly used for a long time, realizes efficient production of the four-side forming metal connecting piece, and can also guarantee the quality of the cast product.

The utility model relates to the technical field of casting production equipment, and discloses a rapid casting and molding sand separation device which comprises an equipment base, a support is fixedly connected to the top surface of the equipment base, a molding sand box is fixedly connected to the inner side wall of the support, and a demolding assembly is arranged in the molding sand box. A support is arranged on the upper portion of the equipment base, a buffer plate is hinged to the inner side wall of the support, a separation box is fixedly connected to the top surface of the equipment base, and a vibration crushing assembly is arranged in the separation box. Efficient separation of molding sand and castings is achieved, and the problems that during manual operation, a molding sand box is damaged, and the surfaces of the castings are scratched are solved; and meanwhile, through cooperative operation of reciprocating chiseling of the crushing cone and reciprocating vibration of the screening plate, chiseling and crushing treatment is conducted on solidified molding sand outside the casting, the solidified molding sand is gradually crushed and loosened and thoroughly separated from the surface of the casting, and crushed fine loose sand blocks can be collected through reciprocating vibration of the screening plate.

The utility model discloses a metal casting sand mold casting device, relates to the technical field of sand mold casting, and aims to solve the technical problem that the current micro-vibration compaction molding machine is inconvenient to quickly cast and mold a sand mold, and comprises a micro-vibration compaction molding machine. According to the utility model, the support control structure and the combined clamping cover are designed on the vibration platform of the micro-vibration compaction molding machine, so that when a sand frame is placed on the vibration platform of the micro-vibration compaction molding machine for sand casting, the support control structure can drive the combined clamping cover to descend, so that the combined clamping cover is clamped at the top of the sand frame, and the butt joint with the sand frame is realized; according to the micro-vibration compaction molding machine, the sand frame is arranged in the sand frame, then the adding amount of the red yarn can be greatly increased under the cooperation of the combined clamping cover, so that the red yarn is always higher than the sand frame when the micro-vibration compaction molding machine carries out vibration compaction on the red yarn, and then the red sand higher than the sand frame is scraped, so that sand does not need to be repeatedly added into the sand frame and vibrated and compacted, and casting of a sand mold can be completed at a time.

The utility model discloses a cosmetic bottle cap forming mechanism which comprises an upper die, a lower die, a first die core and a second die core, and a die cavity is formed among the upper die, the lower die, the first die core and the second die core. The upper die and the lower die are provided with a slide way I and a slide way II, the die core I is arranged in the slide way I, and the die core II is arranged in the slide way II; a bottle cap shape shaping structure is arranged between the upper die and the lower die and comprises a groove structure, an arc-shaped surface structure, an annular groove structure I and an annular groove structure II; through the arrangement of the upper mold, the lower mold, the mold core I, the mold core II and the like, the rapid casting molding operation of the cosmetic bottle cap is realized, meanwhile, the effects of rapid cooling, molding and automatic demolding are realized, and the rapid manufacturing of the bottle cap is realized.

The utility model provides a kind of quick casting demolding mechanism.Wherein, lower mould is arranged on bracket assembly;Cooling assembly is connected with lower mould, to cool the forming piece in lower mould;First drive assembly is arranged on bracket assembly and vertically slidingly from the lower side of lower mould and is inserted into lower mould, to push the forming piece in lower mould upward;Upper mould is arranged above lower mould;Second drive assembly is arranged above upper mould and is connected with upper mould, to drive upper mould vertically moves;Third drive assembly is arranged on bracket assembly and is connected with second drive assembly, to drive second drive assembly and upper mould together laterally moves.The utility model can conveniently and quickly demould, quickly take out forming piece, and operation is more convenient.

This utility model relates to the field of crash barrier technology and discloses a prefabricated crash barrier template, including a base with an installation position; a combination component for rapid casting of the crash barrier, the combination component including a first template, a second template, a first connecting plate, and a second connecting plate, the first template and the second template being connected to the base by fasteners, the ends of the first template and the second template having openings, the second connecting plate being disposed on the second template, the first connecting plate being disposed on the first template, and the corresponding second connecting plate being connected to the first template and the second template by fasteners, one end of the first template and the second template having a connection port, so that the first template and the second template do not need to be removed after casting, the connecting block is embedded in the template opening and fixed by bolts to fix the first template and the second template; the energy-absorbing component and the abutment plate work together to enhance the impact resistance of the template and allow for the reuse of the template.

The application provides a multilayer ingot mold casting method for high-silicon ferroalloy production and relates to the technical field of high-silicon ferroalloy production.The present casting method uses a rapid casting mode to cast a small amount of liquid high-silicon ferroalloy onto an ingot mold to form an alloy solid protective layer, and continues to cast liquid high-silicon ferroalloy on the protective layer to form 1-3 main alloy layers; the thickness of the main alloy layer is controlled to be 1-4 times that of the alloy solid protective layer, and the cooling temperature is controlled to be 25-60 DEG C / min; the solidified alloy is mechanically broken and demolded in a hot state to obtain high-silicon ferroalloy. The method prolongs the service life of the ingot mold, reduces the segregation of Si and other components in the product high-silicon ferroalloy, the segregation of Si components is 0.5-1%, and simultaneously reduces the generation of fine lines and the alloy powder rate, and the average powder rate is 6-7%.

The utility model relates to the technical field of casting processing, and discloses a quick casting cooling device for casting processing, which comprises a rack, fans distributed at equal intervals are mounted above the rack, striker plates symmetrically arranged are slidably mounted at the top of the rack, mounting boxes symmetrically arranged are fixedly mounted on two sides of the rack, and the mounting boxes are mounted on the rack. A guide seat is slidably arranged at the top of the mounting box and fixedly connected to the outer wall of the bottom of the material blocking plate, a transverse plate is slidably arranged on the inner side of the mounting box, and a connecting rod is hinged to one side of the transverse plate. When the transverse plate moves, the inclination angle of the connecting rod is changed, and the guide seat can be driven to move under the condition that the inclination angle of the connecting rod is changed, so that the guide seat drives the striker plate to move to the position above the conveyor, and therefore adjacent castings can be blocked after a previous casting is conveyed; and meanwhile, the fan is started to work, and when the casting is conveyed to the position below the fan, the cooling effect on the casting can be achieved.

The invention discloses a rapid sand mold casting method for a casing containing an insert in the field of casing casting. The rapid sand mold casting method comprises the following steps: step 1, designing and determining three-dimensional models of the casing and the insert; 2, designing a pouring system of the cartridge receiver and carrying out analog simulation; 3, machining and welding the insert according to the designed insert size; 4, designing a 3DP sand mold of the cartridge receiver and printing the sand mold; 5, the printed sand mold is painted with paint, the sand mold is dried, and the insert is put into the sand mold; 6, the sand mold is assembled, and pouring is conducted through a low-pressure pouring technology; and 7, box opening is conducted, the casting is cleaned, and rapid casting of the insert and the casing is completed. The internal quality and the size precision of the cartridge receiver are improved, and the casting quality is improved; the insert in the cartridge receiver is well positioned, and the situation that the whole casting is scrapped due to positioning deviation of the insert is avoided.

The application discloses a battery aluminum foil and a cast-rolling production method thereof, and belongs to the technical field of battery aluminum foils. The battery aluminum foil comprises Si, Cu, Fe, Mg, Zn, Mn, Zr, Ti and Al. The cast-rolling production method comprises the following steps: obtaining an aluminum alloy melt through smelting, refining, online degassing, filtering and wire feeding refining treatment, and then performing ultra-thin rapid casting and rolling on the aluminum alloy melt through a double-roller casting and rolling machine to obtain a cast-rolled blank with a thickness of 1.5-3 mm; performing cold rolling treatment on the cast-rolled blank, and the cold rolling treatment comprises twice intermediate annealing; and finally performing finished product aging treatment to obtain the battery aluminum foil. Through the synergistic effect of alloy component regulation, ultra-thin rapid casting and rolling and two-step intermediate annealing process, the battery aluminum foil with high strength and high elongation can be stably produced while the number of cold rolling passes is reduced.

This invention provides a high-strength, high-thermal-stability Al-Zn-Mg-Si aluminum alloy based on rapid casting and rolling, and its preparation method. The alloy, by mass percentage, consists of the following components: Mg: 0.95-1.96%; Si: 0.50-1.54%; Zn: 2.45-4.54%; Cu: 0.55-1.12%; Mn: 0-0.16%; Zr: 0-0.14%; total alloy content ≤8%; total unavoidable impurities ≤0.15%; balance being Al. The preparation method includes: melting, rapid casting and rolling, homogenization treatment, finish rolling, solution treatment, and aging treatment. The aluminum alloy obtained by this invention maintains high T4-state plasticity (elongation ≥30%) while possessing excellent T6-state room temperature high strength and high-temperature thermal stability: at room temperature, the yield strength is ≥400 MPa, and after heat exposure at 140-170 °C for 600-1200 h, it can still maintain a yield strength ≥380 MPa, with a yield strength decay rate ≤5%, exhibiting high mechanical properties and good thermal stability; moreover, the alloy can be rapidly cast and rolled for efficient production, making it easy to promote and apply.