737results about "Casting cleaning apparatus" patented technology

The invention discloses a high-precision aluminum alloy casting device and method, and relates to the technical field of casting. The high-precision aluminum alloy casting device comprises a rack, and a conveying chain is arranged on the rack; the mold blocks are uniformly arranged on the conveying chain; the die block is in transmission connection with the flow dividing barrel and the linkage assembly through the transmission assembly; according to the aluminum slag removal device, the slag scraping assembly in the moving assembly continuously removes aluminum slag floating on the surface of molten aluminum in the mold block in a reciprocating mode through the transmission assembly; the guide strip in the linkage assembly enables the slag scraping plate to sink into the inner cavity of the mold block and clear away aluminum slag floating on the surface of molten aluminum, the guide strip is matched with the scraping strip to clear away the aluminum slag adhering to the slag scraping plate, the phenomenon that the aluminum slag is synchronously taken away along with the slag scraping plate or taken into the mold block again is reduced, and the efficiency of clearing away the aluminum slag in the molten aluminum is improved.

The invention relates to the field of slagging-off equipment, and provides a slagging-off robot system of a submerged arc furnace, which comprises a mobile vehicle, a slagging-off mechanism and an electricity taking assembly, the moving trolley is movably arranged among a plurality of stations, and power supply assemblies are arranged on the stations; the slagging-off mechanism is arranged on the moving trolley and is used for carrying out slagging-off operation on a ladle of the submerged arc furnace; the power taking assembly is arranged on the moving vehicle and electrically connected with the slagging-off mechanism, and the power taking assembly is selectively and electrically connected with the power supply assembly so as to provide power for the slagging-off mechanism. By means of the technical scheme, the slagging-off mechanism can move among different stations, better flexibility is achieved, the working efficiency is improved, and potential safety hazards caused when a crane is used for transferring hot metal ladles are avoided.

The invention relates to the technical field of filtering separation, in particular to a double-bin feeding self-filtering upward-drawing furnace and a self-filtering method thereof.The double-bin feeding self-filtering upward-drawing furnace comprises a furnace body and partition plates fixed in the furnace body and symmetrically arranged, and a filtering cavity is formed between the two partition plates; the filter screen is mounted on the partition plate, and a collecting groove and a through groove which are communicated with each other are formed in the partition plate; the lifting slag salvaging mechanism is arranged on the furnace body, slag salvaging plates which are symmetrically arranged are connected to the lifting slag salvaging mechanism, filtering grooves are formed in the slag salvaging plates, and the lifting slag salvaging mechanism can drive the slag salvaging plates to move in the horizontal direction and the vertical direction; the filter pressing mechanism is arranged on the lifting slag salvaging mechanism, a filter pressing plate is connected to the filter pressing mechanism, and a limiting assembly is arranged on the lifting slag salvaging mechanism; and the impurity cleaning mechanism is arranged on the lifting slag salvaging mechanism, the impurity cleaning mechanism is connected with a push plate which is in sliding connection with a slag salvaging plate, and the effect of separating impurities from the molten copper is achieved through separation and cooperation of the slag salvaging plate and the filter pressing plate.

The invention relates to a casting method for a low-pressure alloy casting of a riser-free sand mold. The casting method comprises the steps that molten alloy is injected into a casting cavity through a plurality of flow gates in the bottom of the casting cavity in a low-pressure mode for mold filling; during mold filling, the variable-diameter air outlet needle arranged above the casting cavity is used for exhausting air; after mold filling is completed, stepped pressurization and pressure maintaining are conducted on the molten metal in the casting mold cavity; and when the casting is solidified, the thick and large part at the top of the casting cavity is cooled in an accelerated manner, so that the casting is solidified from bottom to top and from the thin-wall area to the thick-wall area. Through bottom multi-pouring-gate mold filling and top variable-diameter gas outlet needle gas exhausting, splashing is prevented. And step pressurization and pressure maintaining are carried out after mold filling, and a thick-wall area is forcibly fed. During solidification, solidification is formed from bottom to top and from thin to thick. A riser is replaced with pouring gate feeding, precise exhaust and solidification control are combined, the feeding and exhaust problems of riser-free casting are solved, riser cutting and polishing are avoided, and meanwhile it is guaranteed that a casting is compact and high in quality.

The invention relates to the technical field of casting molds, in particular to a centrifugal casting mold of an automobile shoe block, which comprises a mold unit and a cleaning unit, the mold unit comprises a centrifugal machine, a base, supports and an arc-shaped mold, the base is arranged on the upper top surface of the centrifugal machine, the supports are distributed at four corners of the upper top surface of the base, and the arc-shaped mold is arranged on the base. The cleaning unit comprises a center column rotationally connected to the inner wall of the lower bottom face of the base, a combined rod movably penetrates through the top end of the center column, a bearing disc is fixedly connected to the upper surface of the base, and a cleaning disc is arranged on the upper top face of the bearing disc. The driving center column drives the cleaning disc to rotate, impurities on the inner ring of the copper casting are automatically cleaned, under the action of centrifugal force of the cleaning disc, the scraping plate can adapt to the size of the inner ring of the copper casting and thickness expansion of the impurities, cleaning comprehensiveness is guaranteed, complexity and low efficiency of manual cleaning are avoided, production efficiency is greatly improved, and labor cost is reduced.

The utility model discloses a slag removing device for a slagging-off plate of a slagging-off machine, which relates to the technical field of steelmaking equipment in the metallurgical industry and particularly comprises a connecting arm and the slagging-off plate, the connecting arm is connected with the slagging-off plate through a fixing shaft, mounting plates are arranged on two sides of the connecting arm, push plates are arranged at two ends of the mounting plates, and the push plates are connected with the connecting arm. By arranging the hydraulic cylinder, the fixing frame, the connecting shaft, the vibration motor, the push plate and other components, in the working process, the hydraulic cylinder drives the fixing frame to move so as to adjust the position of the fixing frame component, the fixing frame drives the push plate component to move along with the fixing frame component while moving, and the vibration motor drives the push plate component to move along with the fixing frame component. The push plate component is driven to rub against the slagging-off plate, and meanwhile, the vibration motor component is matched with the connecting shaft component, so that the push plate component is driven to circularly shake on the fixing frame, sticky slag with high adhesive force is removed, and the purpose of improving the removal effect of the sticky slag on the slagging-off plate is achieved.

The utility model discloses a drossing and scraping device for zinc ingot production, and relates to the technical field of zinc ingot production. The zinc liquid recycling device comprises a recycling base, a supporting sleeve is arranged at the upper end of the recycling base, a material box is installed at the upper end of the interior of the supporting sleeve, zinc liquid is poured into the material box, a scraper blade is inserted into the material box under the action of a height adjusting structure, a motor drives one rotating screw to rotate, and the other rotating screw drives the other rotating screw to rotate. The two rotating screw rods synchronously rotate under the action of the transmission chain wheel and the transmission chain, the movable seat moves along the rotating screw rods under the action of threads to drive the scraping plate to move in the material box, and slag in the material box can be conveniently scraped out of the material box; and cleaning water can enter the water spraying box through the water inlet pipe and is sprayed out through the spray head, so that the scraping plate is convenient to clean, slag is prevented from being adhered to the scraping plate, and the service life of the scraping plate is prolonged.

The invention relates to the technical field of compressor part casting, in particular to a compressor part stamping and casting mold which comprises a bottom plate, and a hanging bracket is fixedly mounted at the upper end of the bottom plate; the stamping casting mechanism comprises a first hydraulic cylinder fixedly installed on the hanging bracket, a lifting plate is fixedly installed at the lower end of the first hydraulic cylinder, a telescopic rod is fixedly installed at the lower end of the lifting plate, a connecting plate is fixedly installed at the lower end of the telescopic rod, and the outer side of the telescopic rod is sleeved with a first spring; according to the device, the second hydraulic cylinder drives the sealing column to ascend, the exhaust hole is opened, gas can be conveniently exhausted from different directions, the exhaust quality is improved, and the situation that when a large amount of gas is exhausted from a gap between the upper stamping die and the lower passive die, molten metal is sputtered out of the gap between the upper stamping die and the lower passive die by the gas is reduced; and the stamping and casting quality is ensured.

The present invention provides a dual-action serial circulation high-purity aluminum melt low-pressure casting device and preparation method. The present invention can complete the purification and fine-graining preparation of aluminum alloy melt in a gas-fired heating furnace, and realize the low-pressure casting of complex structural metal products in a low-pressure casting furnace. The gas-fired heating furnace and the low-pressure casting furnace do not need to be mechanically transferred. By monitoring the melt level and opening and closing the automatic angle meter and the double-furnace stop plugs, the gas-fired heating furnace can dynamically replenish the aluminum alloy melt in the low-pressure casting furnace. This dynamic replenishment causes little fluctuation in the surface of the aluminum alloy melt in the low-pressure casting furnace, and does not generate significant turbulence, air entrainment, or slag inclusions. At the same time, the replenished aluminum alloy melt is of high quality and contains less oxidized slag inclusions, greatly improving the metallurgical quality of the melt.

The invention relates to the field of aluminum alloy ingot casting, in particular to an aluminum alloy ingot casting device facilitating slagging-off. The existing aluminum alloy ingot casting device has the defects that the existing aluminum alloy ingot casting device depends on a worker to fish dross in aluminum alloy liquid by using a dross-off spoon or a dross-off rake, the casting efficiency is low, the dross in the aluminum alloy liquid is difficult to fully fish out, and the quality of subsequently cast aluminum alloy ingots is poorer. An aluminum alloy ingot casting device facilitating slagging-off comprises a bottom frame and the like. The bottom frame is fixedly connected with a frame body, the frame body is rotationally connected with two first transmission assemblies, and the two first transmission assemblies are symmetrically arranged. The dross on the surface of the aluminum alloy liquid in the casting basin is scraped through the dross skimming plate and the two dross scraping plates together, the aluminum alloy ingot casting efficiency is improved, meanwhile, the dross in the aluminum alloy liquid can be more sufficiently scraped, and therefore the quality of the cast aluminum alloy ingot is better.

The invention discloses a seawater corrosion resistant aluminum alloy pipe and a manufacturing method thereof, and relates to the technical field of aluminum alloy pipes, and the aluminum alloy pipe comprises the following element components in percentage by mass: 0.15%-0.35% of Fe, 0.01%-0.2% of Si, 0.6%-1.2% of Mn, 0.15%-0.45% of Cu, 2.42%-2.96% of Mg, 0.05%-0.15% of Zn, 0.03%-0.1% of Ti, 0.03%-0.1% of Zr and 0.01%-0.05% of Sr. The manufacturing method of the pipe comprises the steps of smelting, refining, degassing, online filtering and the like, casting is carried out after molten aluminum melt is manufactured, and annealing, homogeneous heating, extrusion forming, quenching, aging treatment and other operation are sequentially carried out after casting. The aluminum alloy pipe has excellent mechanical property and corrosion resistance, the structure of the aluminum alloy pipe is not greatly changed even after heat treatment operation such as brazing, and the stability of the physical property of the aluminum alloy pipe is ensured.

The utility model belongs to the technical field of external refining of molten aluminum, and discloses external refining equipment for aluminum smelting for cast rolling, which comprises a plurality of box devices for containing aluminum ingots and scraping aluminum oxide in a reciprocating manner, and further comprises a feeding device for supporting and circularly conveying the aluminum ingots which are turned up and down and continuously discharged, one end of the feeding device is symmetrically provided with two discharging devices used for discharging aluminum ingots in a rotating, knocking and vibrating mode, and the box devices are evenly installed on the feeding device. The feeding device comprises a rack body, a conveying assembly is arranged in the rack body, and a pushing assembly used for providing reciprocating power is installed in front of the rack body. According to the external refining equipment for cast-rolling aluminum smelting, through the arrangement of overall bearing movement and up-and-down overturning discharging of aluminum ingots, the stress uniformity is improved, and the maintenance period and the service life are prolonged; and through the arrangement of scraping the aluminum oxide towards the two ends through reciprocating motion, the thoroughness of scraping the aluminum oxide is ensured.

The application provides a 3D printing ceramic filter and a preparation method of a slurry and the filter, and the composition of the filter comprises 90-92wt% of ZrO2, 4.7-4.8wt% of MgO, 1.9-2.0wt% of HfO2 and 1.4-1.5wt% of SiO2. The application improves the exposure precision of the slurry by adjusting the type and ratio of monomers and the adding amount of initiators, thereby improving the porosity of the filter and the flow rate when the filter is used to filter the metal liquid. The yield of the 3D printing ceramic filter is high, and reaches more than 80%. The addition of the organic silicon modified epoxy resin in the ceramic slurry improves the printing efficiency. The anti-settling wax can solve the problem of fast slurry settlement and improve the crack problem existing in the appearance.

The utility model discloses a casting machine with a filtering function, which comprises a lower die holder, the upper surface of the lower die holder is movably connected with an upper die holder, two sides of the outer surface of the lower die holder are fixedly connected with first pouring pipes, and two sides of the outer surface of the upper die holder are fixedly connected with second pouring pipes. According to the casting machine with the filtering function, through the arrangement of the first pouring pipe, the second pouring pipe, the pouring cup and the filter screen, the second pouring pipe is shorter than the first pouring pipe, workers can conveniently check the amount of poured molten metal from the outside, the phenomenon that the molten metal overflows in the casting process is avoided, the pouring cup is clamped in the containing groove, and the pouring cup is clamped in the containing groove; the filter screen is placed in the pouring cup, and during pouring, molten metal can stay instantly, torrent is slowed down, oxidation slag inclusion is reduced, the casting quality is improved, inclusions with small density can be separated from the molten metal in a floating mode, the effect of purifying the molten metal is continuously achieved, and badness caused by slag holes and roughness in a product is avoided.

The utility model relates to a negative pressure air exhaust sprue gate, which belongs to the field of casting facilities and comprises a sprue gate, a filter screen is mounted at the bottom of the sprue gate, a communicating vessel is mounted outside the sprue gate, an air inlet hole is formed in the bottom of the communicating vessel, and a mounting hole is formed in the communicating vessel. The communicating vessel is arranged on the outer side of the funnel-shaped sprue gate, an exhaust pipe connecting hole and a collecting pipe connecting hole are formed in the side face of the communicating vessel, the exhaust pipe connecting hole is connected with the exhaust pipe, and the collecting pipe connecting hole is connected with the collecting pipe. And a J-shaped exhaust pipe and a collecting pipe which are made of ceramics are installed on the periphery of the communicating vessel, a metal solution is injected into the sand mold through the sprue gate, the metal solution burns the polystyrene mold core into gas, and the centrifugal fan exhausts the gas in the sand mold through the collecting pipe, the communicating vessel and the exhaust pipe, so that negative pressure is generated in the sand mold.

The invention discloses a cutter shell centrifugal casting machine for blade type hob manufacturing, and relates to the technical field of centrifugal casting machines. Comprising a barrel, a gear ring is fixedly connected to the middle of the outer side of the barrel and rotationally connected with a connecting piece, a cylinder is arranged in the middle of the interior of the barrel, filter holes are evenly formed in the outer side of the cylinder, a limiting piece is fixedly connected to the end of the barrel, the cylinder and one end of a feeding pipe are located on the same axis, and the limiting piece is fixedly connected with the cylinder; the feeding pipe is rotationally connected with the middle of the limiting piece. According to the cutter shell centrifugal casting machine for blade type hob manufacturing, by arranging the cylinder, slag, gas, inclusions and other impurities in the cylinder can be effectively intercepted, the purity, uniformity and mechanical performance of a casting can be improved, the defects of air holes, slag inclusions and the like are reduced, and the casting quality is improved; and distribution in a casting mold is more uniform, and sequential solidification can be achieved easily.

The invention discloses a die-casting mold convenient to demold, and relates to the technical field of die-casting molds, the die-casting mold convenient to demold comprises a bottom plate, a linear driver is arranged at the top of the bottom plate, a top plate is arranged at the working end of the linear driver, a movable mold is arranged at the bottom of the top plate, and a sprue gate is formed in the top of the top plate; a pouring opening is formed in the bottom plate, a filtering assembly used for filtering impurities in pouring liquid is arranged in the pouring opening, a fixed mold is arranged at the top of the bottom plate, a demolding assembly is arranged in the fixed mold, a motor is started to drive a first rotating rod to rotate, and a second bevel gear meshed with a first bevel gear can also rotate. And rotation of a second bevel gear drives a transverse rod to rotate, rotation of the transverse rod drives a worm on the transverse rod to rotate, rotation of a worm gear is converted into rotation of a connecting rod, then a threaded column is driven to rotate on a partition plate, a threaded sleeve can move up and down along the threaded column, a formed workpiece is ejected out of a cavity of a fixed mold, and the demolding efficiency is remarkably improved.

The invention discloses a high-strength and high-toughness die-casting aluminum alloy for a vehicle, and relates to the technical field of aluminum alloys, the high-strength and high-toughness die-casting aluminum alloy for the vehicle comprises 7.0-9.5% of Si, less than or equal to 0.3% of Fe, 0.2-0.8% of Cu, 0.3-0.8% of Mn, 0.1-0.6% of Mg, 0.04-0.15% of Cr, 0.05-0.20% of Zn, less than or equal to 0.1% of Ti, 0.015-0.045% of Sr, 0.01-0.06% of Mo, 0.01-0.08% of RE and the balance Al and impurities, and the total content of the impurities is less than or equal to 0.25%. According to the preparation method, the defects caused by a die-casting process can be effectively reduced, a subsequent alloy heat treatment process is avoided, the prepared die-casting aluminum alloy has relatively high obdurability and relatively good hot crack resistance in an as-cast state, and further the comprehensive mechanical property of the die-casting aluminum alloy is improved.

The aluminum ingot slag scraping device comprises a frame body, a slag scraping assembly and a slag receiving assembly, a slag scraping piece in the slag scraping assembly scrapes dross in an aluminum ingot groove to a slag receiving piece under the action of a first movable piece, then a first telescopic piece drives the slag scraping piece to ascend, a second telescopic piece drives the slag receiving piece to ascend, and in the process, the dross in the aluminum ingot groove is scraped to the slag receiving piece. The first movable part drives the slag scraping part to be attached to the slag receiving part, then the first movable part and the second movable part synchronously move to the position above the slag collecting groove, then the rotating part drives the slag receiving part to rotate, the slag receiving part and the slag scraping part are separated, and dross on the slag receiving part and dross on the slag scraping part fall into the slag collecting groove through a gap between the slag receiving part and the slag scraping part. In the whole transfer process, the scum receiving piece and the scum scraping piece are attached together, so that the scum can be effectively prevented from falling off under the action of gravity, and the problems of environmental pollution, resource waste and the like are avoided.

The utility model discloses a hot repair steel ladle edge fast processing slag scraping table device which comprises a base, the top end of the base is fixedly connected with a supporting table, portal frames are symmetrically installed on one side of the supporting table, a scraping plate is arranged on one side of each portal frame, and slag scraping teeth are evenly arranged at the end of one side of each scraping plate. The steel ladle can be lifted by a crown block at the intermittent time of steel ladle deslagging, so that the edge of the steel ladle is in frictional contact with the slag scraping teeth at the end part of the scraping plate, and the overhigh edge at the edge part of the steel ladle is separated from the steel ladle through the friction between the edge of the steel ladle and the slag scraping teeth, so that the original mode of hot repair treatment of the edge of the steel ladle is changed, and the service life of the steel ladle is prolonged. The problem that the ladle edge is too high is solved through the slag pouring intermittent time, the time for hot repair treatment of the ladle edge is saved by 5-7 minutes, the smoothness of the production technology is improved, the connection time between the upper procedure and the lower procedure is effectively shortened, stable casting of the continuous casting technology is guaranteed, and the turnover pressure of a steel ladle is reduced.

The utility model belongs to the field of pouring cups, and particularly relates to a groove-shaped pouring cup capable of automatically stopping slag, which comprises a steel groove body, a fire-resistant lining and lifting lugs, the two ends outside the steel groove body are respectively provided with one lifting lug, the bottom of the steel groove body is provided with a water outlet, a slag separating plate is arranged in the steel groove body, and the slag separating plate is inserted into an open groove of the fire-resistant lining. The distance h between the bottom edge of the slag partition plate and the bottom of the refractory lining is 30-60mm; one side of the slag partition plate is a steel inlet area, and the other side of the slag partition plate is a steel outlet area; the water outlet is located in the fire-resistant step, the upper edge of the fire-resistant step is flush with the lower edge of the slag partition plate, and the distance between the fire-resistant step and the slag partition plate is 60-80 mm. The utility model has the beneficial effects that a turning runner of molten iron from the slag partition plate to the water outlet is beneficial to floating of iron slag, an automatic slag blocking function can be realized, more than 99% of floating slag is blocked, the slag inclusion defect of iron castings is obviously reduced, and the qualification rate of finished products reaches 100%.

The utility model discloses a full-process intelligent metal ingot casting system, which relates to the technical field of non-ferrous metallurgical equipment and comprises a linear casting machine. A scooping spoon is arranged at the hand part of the casting robot; the scum removing robot is arranged on one side of the linear casting machine, and a scum removing plate is mounted on the hand of the scum removing robot; the input end of the chain conveyor corresponds to the lower part of the output end of the linear casting machine; the input end of the chain scraper conveyor corresponds to the output end of the chain conveyor; a laser coding machine, an appearance quality detection device, a trimming robot and a stacking robot are sequentially arranged on the side of the chain conveyor in the conveying direction. The palletizing robot corresponds to the output end of the chain conveyor; a full-automatic packaging machine, an automatic weighing device and an automatic labeling device are sequentially arranged on the chain scraper conveyor in the conveying direction; and the controller controls the operation of the casting system. According to the utility model, the ingot casting precision and the product quality can be improved, and unattended operation and automation and intelligentization of the whole process in the ingot casting process are realized.

The utility model provides a slag pan residue crushing device which comprises a crown block, a lifting appliance and a crushing hammer, the lifting appliance is connected with the crown block through a chain, the crushing hammer is hung on the lifting appliance, and the crown block can lift the crushing hammer through the lifting appliance; after the crown block lifts the breaking hammer to a preset height, the breaking hammer and the lifting appliance can be automatically unlocked, and the breaking hammer falls into the slag tray, so that the slag in the slag tray is broken. The crushing device is based on the mechanical balance principle, the dead weight of the slag disc is converted into an unlocking power source of the crushing hammer, residues in the slag disc can be efficiently crushed without additional energy drive, the structure is simple, the cost is low, durability is achieved, manual intervention is greatly reduced, and the labor intensity of personnel is reduced.

A hot ladle slag removing machine comprises a guide rail arranged along a preset path, and a moving trolley is arranged on the guide rail. The upper surface of the moving trolley is a horizontal plane and is provided with a revolving platform, a multi-stage telescopic beam is arranged above the revolving platform, a connecting rod adjusting mechanism is arranged between the multi-stage telescopic beam and the revolving platform, and the multi-stage telescopic beam can ascend and descend relative to the revolving platform and can tilt on a vertical plane; the extending end of the multi-stage telescopic beam is connected with a slagging-off head through a transition rod, the transition rod is detachably connected with the multi-stage telescopic beam, and the slagging-off head is detachably connected with the transition rod. And the slagging-off head is obliquely arranged relative to the multi-stage telescopic beam. According to the device, a mechanical structure can replace manpower to complete slagging-off operation, so that the device is safer and is not limited to a high-temperature environment, the device can be suitable for various application scenes due to the addition of an angle adjusting function and a lifting function, the device can be matched with the independently detached slagging-off head, the specification and model can be replaced according to requirements, and the applicability is higher.

The invention discloses metal casting equipment for dumbbell casting production and processing, and relates to the technical field of metal casting equipment. Comprising a fixing plate, the bottom of the fixing plate is rotatably connected with multiple rollers, the multiple rollers are evenly distributed at the corners of the bottom of the fixing plate, the top of the fixing plate is fixedly connected with a middle plate, the top of the middle plate is fixedly connected with a top plate, the top of the top plate is provided with a square hole, and the interior of the square hole is fixedly connected with a fixing rod; the outer side of the fixing rod is slidably connected with a clamping piece. According to the metal casting equipment for dumbbell casting production and machining, a mold in the middle is clamped and fixed through the multiple clamping pieces, uniform clamping force can be provided, the mold can be kept at the accurate position and posture in the casting process, displacement or shaking caused by external force is avoided, and the production efficiency is improved. Therefore, the dimensional accuracy and the shape accuracy of the casting can be ensured, and casting defects caused by mold deviation are reduced.

The utility model relates to a casting slag stopping device, which is used for filtering and stopping scum on the surface of molten aluminum, and comprises a shunting bag and a slag stopping ring, the shunting bag is in a net bag shape, is convenient for filtering the scum and simultaneously is convenient for uniformly shunting the molten aluminum, the shunting bag is adjustably connected below a casting flow table, and the shunting bag is horizontally arranged; a slag blocking ring is further adjustably arranged below the casting flow table and horizontally arranged on the periphery of the flow dividing bag in a surrounding mode, scum in molten aluminum flowing out of the flow dividing bag can be conveniently intercepted, a distance exists between the slag blocking ring and the flow dividing bag, the intercepted scum is located in the distance range, and the slag blocking ring extends downwards into the continuous casting crystallizer. And the lower part of the slag stopping ring is immersed into molten aluminum in the continuous casting crystallizer. According to the utility model, scum is filtered through the shunting bag, and then the scum is gathered in a smaller range through the scum baffle ring, so that the scum is conveniently cleaned manually.

The invention discloses a two-stage spheroidizing process and processing equipment for a high-nickel austenite ductile iron valve rod nut, and belongs to the technical field of metal smelting, the two-stage spheroidizing process comprises the following steps: S1, preparing raw materials: low-sulfur and low-phosphorus pig iron, scrap steel, ferronickel, a silicon-magnesium-calcium spheroidizing agent and a 75 silicon-iron nucleating agent; the smelting furnace is started, and the low-sulfur and low-phosphorus pig iron, the waste steel and the ferronickel furnace charge are heated to be completely molten; s2, primary spheroidizing: after covering a nucleating agent, rapidly pouring high-temperature molten iron to initiate spheroidizing reaction and promote spheroidizing of graphite; the slagging-off mechanism is convenient and flexible to move, convenient to adapt to different smelting furnaces and casting ladles, convenient to use and capable of rapidly removing dross and rapidly cleaning slag charge, the slagging-off quality is improved, the slagging-off hopper and the striker plate are flexible and rapid to disassemble and assemble and convenient to replace, and the slagging-off efficiency is improved. And then smelting furnaces and molten iron casting ladles with different calibers can be conveniently adapted, so that the technical effect that the slagging-off working efficiency is effectively improved is achieved.

The invention discloses a casting device for a tractor brake assembly, which relates to the technical field of brake part casting, and comprises a base, a fixed mold and a movable mold, and further comprises a mold closing mechanism, an injection mechanism; a feeding mechanism; the bubble removing mechanism is used for removing bubbles in the molten metal before the molten metal is provided for the injection mechanism; the filtering mechanism is used for filtering oxides in the molten metal after bubbles in the molten metal are removed; according to the molten metal bubble removal device, bubble removal treatment is conducted on the molten metal in the closed state, it is guaranteed that bubbles in the molten metal are removed sufficiently, the problem that bubbles in the molten metal to be used cannot be removed sufficiently due to new bubbles generated in the continuous injection process of the molten metal is solved, the molten metal is filtered automatically, and the service life of the molten metal is prolonged. The problem that oxide in molten metal is injected into the mold to affect the forming quality of brake parts is avoided, and the effect of continuous filtering treatment on the molten metal is guaranteed by cleaning the filtered oxide.

The invention discloses a preparation method of a nickel-boron intermediate alloy for a nickel-based superalloy, which comprises the following steps: step 1, mixing boric anhydride powder and nickel protoxide powder, pressing to obtain a pre-combination reaction block, mixing metallic nickel and carbon powder, and pressing to obtain a thermal reduction reaction block; 2, the pre-combination reaction block is heated to be molten to obtain a molten product, then the molten product and the thermal reduction reaction block are mixed for a carbon thermal reduction reaction, and an alloy melt is obtained; 3, casting the alloy melt under a vacuum condition, and cooling to obtain a nickel-boron intermediate alloy; the invention further discloses a preparation device of the nickel-boron intermediate alloy for the nickel-based high-temperature alloy. According to the preparation method disclosed by the invention, the pre-chemical combination and carbon thermal reduction processes are adopted, so that the formation of a boron-rich phase is effectively inhibited, the fluctuation increase and non-uniform distribution of the boron element content are avoided, a guarantee is provided for the subsequent proportioning link of the nickel-based high-temperature alloy, and the preparation method is suitable for the technical field of intermediate alloy preparation.

Robot for cleaning slag from metal-melting furnaces, comprising a body of the robot attached to a head, an interchangeable arm to which there is attached a tool that contacts the slag, and wherein the interchangeable arm is attached to the head and preferably comprises two profiles that are fixedly attached to one another, preferably forming a right angle with one another. Also described is a cleaning system comprising said robot, as well as a slag-sweeping method, a cleaning method for cleaning the walls of the furnace, and a deslagging method, which are performed using the robot to ensure more efficient cleaning than when cleaning is performed manually and to avoid risks to operators.