1119results about "Casting cleaning apparatus" patented technology

The invention discloses a method for preparing an aluminum foil of a 1100 aluminum alloy new energy battery from electrolytic aluminum liquid. The aluminum foil comprises the following alloy elements in percentage by mass: 0.55 to 0.60 percent of Fe, 0.10 to 0.13 percent of Si, 0.20 to 0.25 percent of Cu, 0.010 to 0.020 percent of Ti, less than or equal to 0.01 percent of Mn, 0.015 to 0.025 percent of Zn, less than or equal to 0.01 percent of Mg and more than or equal to 99.00 percent of Al. And the high-strength aluminum foil is obtained through the processes of annealing, cold rolling, annealing and the like. The method has the beneficial effects that in large-scale industrial production, the product quality is stable, and the plate shape, the thickness difference, the surface quality and the mechanical property meet user requirements; the tensile strength of the prepared aluminum foil is 205-220 Mpa, the ductility is 4.5-6.0%, the tensile strength of the produced finished aluminum foil with the diameter of 0.012-0.015 microns is larger than or equal to 300 Mpa, and the ductility is larger than or equal to 3.0%.

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 large valve casting casting device comprises a workbench, a working plate is arranged above the workbench, and the two sides of the top end of the working plate are each provided with a pair of sliding bases. In the prior art, when molten metal in a casting furnace is poured into a pouring opening of a mold, distance control and rotation of a furnace body need to be considered, and once the control of the factors is not accurate, the molten metal in the casting furnace is prone to being sprayed out of the furnace body and the pouring opening of the mold; and on one hand, the valve casting efficiency of the device is reduced, and on the other hand, the problem that workers are scalded easily due to splashing of scattered molten metal is solved. The device has the advantages that the possibility that molten metal in the furnace body is sprayed out of the guide funnel is reduced, it is ensured that more molten metal flows into the guide funnel, the casting efficiency of the device is guaranteed, and meanwhile the safety of using the device by workers can be 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 present invention discloses a multifunctional refining device for cast steel, and relates to the technical field of cast steel. The present invention comprises a device body, wherein an upper cover is fixed on the top of the device body, a slag weir is fixed on one side of the interior of the device body, an impact plate is fixed on the bottom of the inner wall of the device body, and the impact plate is located between the slag weir and the inner wall of the device body, and a dephosphorization device is arranged on one side of the device body. The present invention increases the oxygen activity in the molten steel by setting the dephosphorization device, improves the oxidation rate of phosphorus in the molten steel, and helps to more effectively separate phosphorus-containing slag from the molten steel. At the same time, reducing gas (such as hydrogen and carbon monoxide) is blown into the device body 1 to reduce the oxides in the molten steel, and then alloying agents (such as chromium, nickel, vanadium, titanium, etc.) are added to the molten steel to adjust the chemical composition and properties of the steel, and complete the alloying of the molten steel.

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 belongs to the technical field of copper rod production, in particular to a slagging-off device of a continuous casting and rolling production line for copper rod production, and provides the following scheme: the slagging-off device comprises a movable frame, the movable frame is arranged above a steel ladle, and a fixed cylinder and a rotating rod are arranged below the movable frame; a fixed rod is installed between the top end of the fixed cylinder and the movable frame, residue filtering hoppers are installed on the two sides of the outer wall of the circumference of the fixed cylinder, the top ends and one sides of the residue filtering hoppers are open, and the sections of the residue filtering hoppers are of fan-shaped structures; and the top end of the rotating rod is rotationally connected with the moving frame, the top end of the rotating rod is in transmission connection with a motor, and slagging-off plates are installed on the two sides of the circumferential outer wall of the rotating rod. Impurities around the liquid level can be completely gathered and then limited in the closing range of the residue filtering hopper and the slagging-off plate, so that the impurities around the liquid level can be effectively and completely removed in the lifting process, repeated slagging-off is avoided, and the slagging-off effect is improved.

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 relates to the technical field of aluminum alloy part casting, and discloses an automatic molten aluminum slag salvaging device which comprises a filtering disc arranged corresponding to the caliber of a casting ladle, the filtering disc is conical, filtering holes are formed in the filtering disc, and the filtering disc is connected to a frame body in a lifting mode through a lifting mechanism. The filtering disc is arranged corresponding to the caliber of the casting ladle to carry out slag removal operation on molten aluminum in the casting ladle, the covering area of the filtering disc is enlarged, the impurity removal effect is improved, the trouble that a wire strainer is used for manually salvaging slag for multiple times traditionally is avoided, the filtering disc is driven by the lifting mechanism to complete the automatic lifting slag salvaging action, and the slag removal efficiency is improved. And the labor intensity of manual slag salvaging of operators is reduced. Operators can operate away from the slag salvaging site, and the problem that occupational health is harmed due to the fact that the operators are exposed in the dust environment for a long time is solved. And the cross beam is rotatably connected with the stand column, and a small knocking hammer is arranged, so that aluminum slag impurities can be conveniently and rapidly poured, and the molten aluminum slag salvaging efficiency is further improved.

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.

Provided are a silica ceramic material, a ceramic foam filter, and a preparation method and use of the ceramic foam filter. The silica ceramic material includes a ceramic powder and an auxiliary material, where the ceramic powder includes the following components by mass percentage: 40% to 80% of silica, 8% to 30% of alumina, and 8% to 30% of silicon carbide; and the auxiliary material includes a binder and a dispersing agent: a mass of the binder accounts for 1% to 5% of a mass of the ceramic powder, and a mass of the dispersing agent accounts for 0.5% to 1% of the mass of the ceramic powder.

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 utility model discloses a lead slag fishing device for storage battery grid production, and relates to the technical field of storage battery grid production. The device comprises a linear driving mechanism which is horizontally arranged; the linear driving mechanism is vertically connected with a lifting mechanism; the lower portion of the lifting mechanism is horizontally connected with a lead slag storage box with the top of an open structure. A rotary driving mechanism is arranged on the lead slag storage box; the rotary driving mechanism is connected with a slag shoveling hopper; and the rotary driving mechanism is used for pouring the lead slag in the slag shoveling hopper into the lead slag storage box by driving the slag shoveling hopper to rotate. The lead slag salvage device is reasonable in structural design and convenient to use, effectively improves the lead slag salvage efficiency and effect, and has high market application value.

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 invention discloses thrust wheel manufacturing equipment and a thrust wheel manufacturing process, and relates to the technical field of sand mold casting. According to the thrust wheel manufacturing equipment and the thrust wheel manufacturing process, the upper die and the lower die can be centrally adjusted and abut against each other, and meanwhile, pre-tightening force is provided, so that the upper die and the lower die are matched more tightly and reliably, and the subsequent casting quality is guaranteed; gas in the sand mold casting mold body and molten metal can be conveniently discharged, bubbles are prevented from being generated when the thrust wheel is formed, and the casting quality of the thrust wheel is guaranteed; according to the device, slag on the surface of molten metal can be automatically scraped and collected conveniently, the casting quality is guaranteed, meanwhile, the molten metal left on the surface of the slag can be vibrated and separated conveniently, and waste of the molten metal is avoided; when slag is scraped and cleaned, molten metal can be stirred in a reciprocating mode, the molten metal is more uniform, gas in the molten metal can be conveniently discharged, and therefore the casting quality of the thrust wheel can be improved.

The invention provides a heat treatment-free die-casting aluminum alloy material, a preparation method and a die casting manufacturing method, and belongs to the technical field of aluminum alloy materials and casting, the die-casting aluminum alloy material comprises the following components in percentage by mass: 0.02 to 3.5 percent of Cu, 0.02 to 3.5 percent of Zn, 0.5 to 4.5 percent of Si, 1.0 to 9.0 percent of Mg, less than or equal to 0.3 percent of Fe, 0.001 to 0.06 percent of In, 0.001 to 0.06 percent of Ga, 0.04 to 0.7 percent of Mn, 0.005 to 0.35 percent of V, 0.005 to 0.35 percent of Mo, 0.02 to 0.4 percent of Zr, 0.004 to 0.07 percent of B, 0.04 to 0.7 percent of Cr, 0.02 to 0.4 percent of Ti, 0.0002 to 0.003 percent of Be, 0.02 to 0.5 percent of Sc, 0.02 to 0.5 percent of Gd, 0.02 to 0.5 percent of Dy, less than or equal the total amount of impurity elements is less than or equal to 0.20%. A component manufactured through remelting and high-pressure die casting of the die-casting aluminum alloy material has the yield strength not lower than 285 MPa, the tensile strength not lower than 340 MPa and the percentage elongation after fracture not lower than 7.0%, has excellent die-casting formability and can meet the requirement of high-pressure die-casting production of an integrated frame for a new material.

The utility model discloses a tundish slag blocking wall with high erosion resistance, which comprises a first slag blocking wall body, second slag blocking wall bodies, steel flowing ports and a reinforcing sleeve, the left side and the right side of the first slag blocking wall body are fixedly connected with the second slag blocking wall body, the first slag blocking wall body and the second slag blocking wall body are provided with the steel flowing ports, and the reinforcing sleeve is fixedly connected with the first slag blocking wall body and the second slag blocking wall body. Reinforcing sleeves are fixedly mounted on the first mounting plate and the second mounting plate, and the first slag stopping wall body and the second slag stopping wall body are each composed of a reinforced concrete layer, an anti-corrosion layer and a wear-resisting layer. Through the arrangement of the wear-resisting layer and the anti-corrosion layer, the wear-resisting layer and the anti-corrosion layer are arranged on the outer side of the slag stopping wall body, so that effective protection measures can be improved, the wear-resisting layer can effectively resist scouring and friction, abrasion of the slag stopping wall is reduced, and the anti-corrosion layer can isolate corrosive media in the environment; the slag blocking wall is prevented from being damaged by chemical corrosion and electrochemical corrosion, the structural integrity and stability of the slag blocking wall are kept, and therefore the service life of the slag blocking wall is prolonged.

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 invention discloses a system and method for preventing steel ladle top slag entrapment through an automobile plate, the system comprises a slag avoiding device and a porous flow controller, the slag avoiding device is made of a hot-rolled steel plate, the slag avoiding device is in a double-inverted-cone shape, the slag avoiding device comprises orifices which are located at the top and formed by inverted-cone-shaped cone bottoms, the double inverted cones correspond to the two orifices, and before an RH dip pipe is inserted into a steel ladle, the porous flow controller is arranged on the steel ladle. The slag-avoiding device is placed on the slag surface of the steel ladle, and the RH dip pipe is inserted into an orifice of the slag-avoiding device; the multi-hole flow controller is fixed above the upper nozzle of the steel ladle, the multi-hole flow controller is provided with a flow channel communicated with the upper nozzle of the steel ladle, the flow channel forms a top hole in the top of the multi-hole flow controller, and the flow channel respectively forms side holes in a plurality of vertical sides of the multi-hole flow controller. By means of the system, the situation that ladle slag enters molten steel is reduced, the number and density of inclusions in a casting blank are greatly reduced after casting is finished, the surface quality defects are greatly reduced after a plate blank is rolled, and the serious surface defects existing in a ladle changing transition blank are overcome.

The utility model discloses a composite masonry steel ladle relates to masonry steel ladle technical field, including cladding and mount, the inner side of cladding is provided with permanent lining, the inner side of permanent lining is connected with the ladle wall, one side of ladle wall is connected with slag line brick, one side of slag line brick is connected with permanent lining, the other side of slag line brick is connected with the permanent lining. An inner container is arranged on the inner sides of the ladle wall and the slag line bricks, and vent plugs are arranged below the ladle shell, the permanent lining and the inner container. According to the composite masonry steel ladle, when the steel ladle is subjected to inclined pouring, due to the fact that residual materials are prone to being attached to the inner wall of the steel ladle, in the molten steel pouring process, a motor can be started to drive a gear to rotate, then the gear is meshed with a rack, a connecting rod is driven to slide towards one side at a through opening of a fixing plate, a scraper moves on the inner wall of an inner container in a scraping mode, and the inner wall of the inner container is scraped; and residual materials are scraped off to assist in dumping, so that the waste can be reduced, the cleaning work is convenient, and the practicability of the composite masonry steel ladle is improved.

The utility model relates to the field of metal melting equipment, in particular to metal melting equipment based on solidification forming, which comprises a melting furnace body and is characterized in that an injection pipe is arranged on the outer wall of the melting furnace body, the injection pipe is controlled to be switched on and off through an electromagnetic valve, and a rotary table mechanism is mounted on the outer wall of the melting furnace body. A rotary disc mechanism is installed on the smelting furnace body, a mold is arranged above the rotary disc mechanism, a driving mechanism is installed between the smelting furnace body and the rotary disc mechanism, the driving mechanism can drive the rotary disc mechanism to rotate, then the mold is driven to rotate through the rotary disc mechanism, and under cooperation of an electric control device, the mold is accurately rotated to the position below an injection pipe, and material injection on the mold is achieved. A slag groove is formed in the lower end of the smelting furnace body, a slag removal assembly is placed in the slag groove, a transmission mechanism is arranged between the rotary disc mechanism and the slag removal assembly, and through rotation of the rotary disc mechanism, the transmission mechanism drives the slag removal assembly to continuously receive and discharge slag.

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 provides an impurity removal device during brass strip smelting, and relates to the technical field of impurity removal devices, the impurity removal device comprises a bottom plate, a smelting furnace is fixedly connected to the bottom plate, a removal structure is arranged on the bottom plate, the removal structure mainly comprises a hydraulic cylinder, the hydraulic cylinder is rotatably connected to the bottom plate, and the hydraulic cylinder is connected to the bottom plate. A rectangular plate is fixedly connected to a piston rod of the hydraulic cylinder, a first motor is fixedly connected to the rectangular plate, a rotating rod is fixedly connected to an output shaft of the first motor, a movable plate is fixedly connected to the rotating rod, a fixed plate is rotatably connected to the rotating rod, and a fixed column is fixedly connected to the fixed plate; the utility model solves the problem that at present, most workers stand beside the smelting furnace and hold a slag salvaging shovel to salvage out impurities in the smelting furnace, and the temperature of brass solution in the smelting furnace is extremely high, so that the workers are easily scalded.

The utility model discloses an integrally-formed pouring chute which comprises a chute metal outer frame and a refractory lining arranged on the inner periphery of the chute metal outer frame, and the surface of the refractory lining is at least coated with a refractory coating for two times. One end of the chute is a molten iron receiving end, the other end of the chute is a molten iron pouring end, the middle of the chute is a long-strip-shaped chute section, the section size of the long-strip-shaped chute section is smaller than that of the molten iron receiving end or the molten iron pouring end, and a vertically-through pouring opening is formed in the bottom of the molten iron pouring end. And a high-temperature-resistant filter screen is arranged above the sprue gate. The integrally-formed chute for pouring is simple in structure, good in strength and stability and excellent in fire resistance, a long molten iron flowing channel can be formed between a casting cavity and a ladle, molten iron can flow into the casting cavity conveniently, and beneficial conditions capable of being poured are provided for the environment where direct pouring of the ladle or multi-ladle pouring production is inconvenient.

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.