CN113732256A - Metal casting equipment - Google Patents
Metal casting equipment Download PDFInfo
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- CN113732256A CN113732256A CN202110865815.6A CN202110865815A CN113732256A CN 113732256 A CN113732256 A CN 113732256A CN 202110865815 A CN202110865815 A CN 202110865815A CN 113732256 A CN113732256 A CN 113732256A
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- 238000005058 metal casting Methods 0.000 title claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 126
- 239000002184 metal Substances 0.000 claims abstract description 126
- 238000005266 casting Methods 0.000 claims abstract description 93
- 238000003723 Smelting Methods 0.000 claims abstract description 82
- 238000003860 storage Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 238000007711 solidification Methods 0.000 claims abstract description 8
- 230000008023 solidification Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 28
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 16
- 241001062472 Stokellia anisodon Species 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010814 metallic waste Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D9/00—Machines or plants for casting ingots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
Abstract
The invention provides metal casting equipment, which comprises a smelting device, a storage device and a casting device, wherein the storage device is arranged on the smelting device; a first heating element and a smelting chamber for smelting metal are arranged in the smelting device, and the first heating element is positioned in the smelting chamber and used for heating and melting the metal; a storage chamber used for storing molten metal is arranged in the storage device, and the storage chamber is communicated with the smelting chamber; the casting device comprises an ingot furnace and a wire feeding component which is positioned on one side of the ingot furnace and used for outputting metal wires; the ingot casting furnace is provided with an inner ingot casting cavity and an ingot casting component located in the ingot casting cavity, the ingot casting cavity is communicated with the storage cavity, the ingot casting component is used for solidification and shaping of molten metal, a molten metal cavity used for collecting the molten metal is formed in the ingot casting component, and a wire outlet of the wire feeding component faces the molten metal cavity. The invention solves the problem of large crack tendency of the traditional metal casting equipment, and has the advantages of low production cost and casting speed and temperature.
Description
Technical Field
The invention relates to the technical field of casting, in particular to metal casting equipment.
Background
The aluminum alloy has the advantages of small density, high strength and the like, and has important application value in many fields. And the aluminum alloy has good fatigue property and welding property and good marine atmospheric corrosion resistance, and is widely applied to the fields of aerospace, national defense, welded structural members, ships and the like. With the increasing requirements of users on the size and the specification of workpieces, the specification of ingot blanks is required to be increased. Particularly, large-size hard alloy and ultra-strong aluminum alloy round cast ingots are cast and formed, the control difficulty of the surface quality and the metallurgical quality is extremely high, the crack tendency is increased, and extremely high requirements are provided for tool design and manufacture and process parameter matching.
The traditional metal casting equipment generally adopts methods such as reducing the casting speed, hot top-electromagnetic casting and the like for reducing the crack tendency, but the method for reducing the casting speed can cause the low casting speed, the long retention time of a melt, and the ingot casting forming and the metallurgical quality are difficult to ensure; the electromagnetic casting method is relatively high in cost and is not suitable for large-scale application.
Disclosure of Invention
Based on the technical scheme, the invention provides metal casting equipment for solving the problem of large cracking tendency of the traditional metal casting equipment, and the specific technical scheme is as follows:
a metal casting device comprises a smelting device, a storage device and a casting device; a first heating element and a smelting chamber for smelting metal are arranged in the smelting device, and the first heating element is positioned in the smelting chamber and used for heating and melting the metal; a storage chamber used for storing molten metal is arranged in the storage device, and the storage chamber is communicated with the smelting chamber; the casting device comprises an ingot furnace and a wire feeding component which is positioned on one side of the ingot furnace and used for outputting metal wires; the ingot casting furnace is internally provided with an ingot casting cavity and an ingot casting component positioned in the ingot casting cavity, the ingot casting cavity is communicated with the storage cavity, the ingot casting component is used for solidification and shaping of the molten metal, a molten metal cavity used for collecting the molten metal is formed in the ingot casting component, and a wire outlet of the wire feeding component faces towards the molten metal cavity.
The metal casting equipment is provided with the first heating element, so that the metal can be conveniently heated and melted; the smelting chamber is arranged to provide a space position for storing the metal, so that the metal is convenient to melt and smelt; the storage chamber is arranged, so that molten metal produced after being treated by the smelting device can be conveniently stored; the wire feeding component is arranged, so that the wire can be processed from the same metal; the installation of the ingot casting component is facilitated by the arrangement of the ingot casting cavity; the ingot casting component is arranged, so that the solidification and the shaping of the molten metal are realized; the molten metal flowing from the storage chamber is convenient to store and cool by arranging the molten metal cavity; the metal wire processed by the wire feeding component is led out from the wire feeding component and added into the center of the metal liquid cavity, the metal wire is melted in the center of the metal liquid cavity to absorb partial heat, so that the temperature of the center part of the metal liquid cavity is reduced, at the moment, the temperature difference between the center part of the metal liquid cavity and the temperature of the outer layer of the cast ingot is reduced, the cooling solidification of the molten metal is accelerated, the metal liquid cavity is shallow, the temperature gradient is reduced, the cast ingot is cooled uniformly, the crack tendency is reduced, and meanwhile, as the metal liquid cavity is shallow, the retention time of the molten metal is shortened, thereby being beneficial to improving the quality of metal smelting; thus, the problem of large crack tendency of the traditional metal casting equipment is solved.
Further, the smelting device comprises a smelting furnace and a gas collecting component; the first heating element and the smelting chamber are positioned in the smelting furnace, a gas collecting chamber used for collecting combustion-supporting gas is arranged in the gas collecting component, and the gas collecting chamber is communicated with the smelting chamber.
Further, the metal casting apparatus further comprises a stirring member comprising a stirring piece disposed at the bottom of the smelting chamber and a first driving piece disposed at the top of the smelting furnace, an output end of the first driving piece being connected with the stirring piece through the smelting furnace.
Further, the casting device also comprises a combustion furnace, wherein the combustion furnace is provided with an air inlet, an air outlet and a second heating element positioned in the combustion furnace; the gas inlet is communicated with the gas collection cavity, the gas outlet is communicated with the ingot casting cavity, and the second heating element is used for igniting the combustion-supporting gas in the combustion furnace.
Further, the combustion furnace is also provided with a blast component, and the blast component comprises fan blades and a second driving piece arranged at the top of the combustion furnace; the fan blade is positioned in the combustion furnace, and the output end of the second driving piece penetrates through the combustion furnace and is connected with the fan blade.
Further, the ingot casting component comprises a crystallizer, an ingot casting piece and a dummy ingot piece connected with the ingot casting piece; the crystallizer is arranged on the inner wall of the ingot casting cavity, the ingot casting piece is arranged in the crystallizer, the metal liquid cavity is located at the top of the ingot casting piece, and the crystallizer is used for reducing the surface temperature of the metal liquid cavity.
Further, the gas collecting member comprises a first gas collecting piece and a second gas collecting piece; the first gas collecting piece and the second gas collecting piece are provided with a plurality of gas collecting furnaces, the gas collecting furnaces are provided with gas collecting chambers, the gas collecting chambers of the first gas collecting piece are communicated with the smelting chamber, and the gas collecting chambers of the second gas collecting piece are communicated with the gas inlet.
Further, the metal casting apparatus further comprises a first draft tube for communicating the smelting chamber with the storage chamber and a second draft tube for communicating the storage chamber with the ingot casting chamber.
Further, the metal casting equipment also comprises a first conduit, a second conduit and a third conduit for communicating the gas collecting chamber of the first gas collecting piece with the smelting chamber; the first guide pipe is used for communicating the gas inlet with a gas collecting cavity of the second gas collecting piece, and the second guide pipe is used for communicating the gas outlet with the ingot casting cavity.
Further, the smelting device also comprises a bracket for supporting the smelting furnace.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is one of the schematic structural views of a metal casting apparatus according to an embodiment of the present invention;
FIG. 2 is a second schematic structural view of a metal casting apparatus according to an embodiment of the present invention;
FIG. 3 is a third schematic view of a metal casting apparatus according to an embodiment of the present invention;
FIG. 4 is one of the schematic partial structural views of a melting device of a metal casting apparatus according to an embodiment of the present invention;
FIG. 5 is a second schematic view of a partial structure of a melting device of a metal casting apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an ingot component of the metal casting apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a wire feeding member of a metal casting apparatus according to an embodiment of the present invention.
Description of reference numerals:
1-a smelting device; 11-a smelting furnace; 111-a smelting chamber; 12-a gas collecting member; 121-a first gas collecting member; 122-a second gas collecting member; 2-a storage device; 3-a casting device; 31-an ingot furnace; 311-an ingot casting cavity; 32-a combustion furnace; 321-a blower member; 33-an ingot member; 331-a crystallizer; 332-metal cavity; 333-casting a ingot; 334-dummy bar; 4-a stirring member; 41-a first driving member; 42-a stirring member; 5-a bracket; 6-a wire feeding member; 61-fixing plate; 62-a drive section; 63-a discharging frame; 64-a wire feed roller; 65-fixing block; 651-thread outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
As shown in fig. 1 to 7, a metal casting apparatus according to an embodiment of the present invention includes a melting device 1, a storage device 2, and a casting device 3; a first heating element and a smelting chamber 111 for smelting metal are arranged in the smelting device 1, and the first heating element is positioned in the smelting chamber 111 and is used for heating and melting the metal; a storage chamber for storing molten metal is arranged in the storage device 2 and is communicated with the smelting chamber 111; the casting device 3 comprises an ingot furnace 31 and a wire feeding component 6 which is positioned at one side of the ingot furnace 31 and used for outputting metal wires; an ingot casting cavity 311 and an ingot casting component 33 positioned in the ingot casting cavity 311 are arranged in the ingot casting furnace 31, the ingot casting cavity 311 is communicated with the storage cavity, the ingot casting component 33 is used for solidifying and shaping molten metal, a molten metal cavity 332 used for collecting the molten metal is formed in the ingot casting component 33, and a wire outlet 651 of the wire feeding component 6 faces the molten metal cavity 332.
The metal casting equipment is provided with the first heating element, so that the metal can be conveniently heated and melted; the smelting chamber 111 is arranged to provide a space position for storing metal, so that the metal can be conveniently melted and smelted; the storage chamber is arranged, so that the molten metal produced after being treated by the smelting device 1 can be conveniently stored; the wire feeding component 6 is arranged, so that the wires of the same metal can be processed; by providing the ingot cavity 311, the installation of the ingot member 33 is facilitated; the ingot casting component 33 is arranged, so that the solidification and the shaping of the molten metal are realized; by providing the molten metal pool 332, the molten metal flowing out of the holding chamber is stored and cooled; the metal wire processed by the wire feeding component 6 is led out from the wire feeding component 6 and added into the center of the metal liquid cavity 332, the metal wire is melted in the center of the metal liquid cavity 332 to absorb partial heat, so that the temperature of the center part of the metal liquid cavity 332 is reduced, at the moment, the temperature difference between the center part of the metal liquid cavity 332 and the outer layer temperature of the cast ingot is reduced, the cooling and solidification of the molten metal are accelerated, the metal liquid cavity 332 is shallow, the temperature gradient is reduced, the cast ingot is cooled uniformly, the crack tendency is reduced, meanwhile, the retention time of the molten metal is shortened due to the fact that the metal liquid cavity 332 is shallow, and the quality of metal smelting is improved; thus, the problem of large crack tendency of the traditional metal casting equipment is solved.
Specifically, the molten metal and the metal wire are made of aluminum alloy. Therefore, the molten metal and the metal wire are made of the same material, so that the condition that the molten metal is uneven due to the fact that the metal wire is inserted into the molten metal to be melted is avoided, and the material component of the finally formed ingot is influenced.
As shown in fig. 1, in one embodiment, the smelting apparatus 1 includes a smelting furnace 11 and a gas collecting member 12; the first heating element and the smelting chamber 111 are positioned in the smelting furnace 11, a gas collecting chamber for collecting combustion-supporting gas is arranged in the gas collecting member 12, and the gas collecting chamber is communicated with the smelting chamber 111. Thus, by providing the smelting furnace 11, the arrangement of the smelting chamber 111 and the installation of the first heating member are facilitated; through being provided with the gas collection chamber, be favorable to combustion-supporting gas's collection, realized combustion-supporting gas from the gas collection chamber to the transport of smelting cavity 111 simultaneously.
As shown in fig. 5, in one embodiment, the metal casting apparatus further comprises a stirring member 4, the stirring member 4 comprises a stirring piece 42 and a first driving piece 41 disposed at the top of the smelting furnace 11, the stirring piece 42 is disposed at the bottom of the smelting chamber 111, and the output end of the first driving piece 41 passes through the smelting furnace 11 and is connected with the stirring piece 42. Therefore, the stirring piece 42 is arranged, so that molten metal can be stirred conveniently, and metal melting can be accelerated; by providing the first driving member 41, a power source is provided for the rotation of the stirring member 42.
As shown in fig. 1-2 and 6, in one embodiment, casting apparatus 3 further includes burner 32, burner 32 being provided with an air inlet, an air outlet, and a second heating element located within burner 32; the air inlet is communicated with the air collection chamber, the air outlet is communicated with the ingot casting chamber 311, and the second heating element is used for igniting combustion-supporting gas in the combustion furnace 32. Thus, the gas inlet is arranged, so that the combustion furnace 32 is conveniently communicated with the gas collection cavity under the action of the gas inlet, and the conveying of the combustion-supporting gas in the gas collection cavity to the combustion furnace 32 is realized; the gas outlet is arranged, so that the combustion furnace 32 is conveniently communicated with the ingot casting cavity 311 under the action of the gas outlet, hot gas generated by combustion of combustion-supporting gas in the combustion furnace 32 enters the ingot casting cavity 311, the temperature in the ingot casting cavity 311 is increased, the temperature difference between the outer layer temperature of the ingot casting and the central temperature of the metal liquid cavity 332 is reduced, and the crack tendency is favorably prevented from increasing; by providing the second heating member, heating combustion of the combustion-supporting gas in the combustion furnace 32 is achieved.
Preferably, the number of burners 32 is plural. Thus, by having multiple burners 32, it is beneficial to generate a large amount of hot gas so that a higher temperature is maintained in the ingot chamber 311.
As shown in FIG. 1, in one embodiment, the burner 32 is further provided with a blower member 321, the blower member 321 including fan blades and a second driving member installed at the top of the burner 32; the fan blades are located within the burner 32 and the output of the second drive member passes through the burner 32 and is connected to the fan blades. In this way, the fan blades are arranged, so that air flow is generated through rotation of the fan blades, which facilitates the transfer of hot air from the combustion furnace 32 to the air outlet, and realizes the rapid transfer of hot air from the combustion furnace 32 to the ingot casting cavity 311; through being provided with the second driving piece, be convenient for provide the power supply for the rotation of flabellum.
Specifically, the first driving member 41 and the second driving member are both motors.
As shown in fig. 6, in one embodiment, the ingot member 33 includes a crystallizer 331, an ingot 333, and a dummy ingot 334 connected to the ingot 333; the crystallizer 331 is arranged on the inner wall of the ingot casting cavity 311, the ingot casting part 333 is positioned in the crystallizer 331, the molten metal cavity 332 is positioned at the top of the ingot casting part 333, and the crystallizer 331 is used for reducing the surface temperature of the molten metal cavity 332. Thus, the crystallizer 331 is arranged, so that the ingot casting 333 is convenient to mount, and meanwhile, the surface of the metal liquid cavity 332 is cooled; the ingot casting part 333 is arranged, so that the process of solid-liquid coexistence of cooling and solidifying the molten metal into the ingot casting is realized; the ingot guiding piece 334 is arranged, so that the solid part of the ingot casting piece 333 can be conveniently pulled out from the crystallizer 331 to form an ingot, and meanwhile, the part of the ingot casting piece 333 which is not pulled out is matched with the crystallizer 331 to form a liquid metal cavity 332, so that the subsequent storage, cooling and shaping of molten metal are facilitated.
Specifically, dummy bar 334 is prior art.
Preferably, the ingot 333 is a round ingot. Thus, the outer contour of the ingot formed by solidification and shaping is cylindrical.
As shown in fig. 1 and 3, in one of the embodiments, the gas collecting member 12 includes a first gas collecting member 121 and a second gas collecting member 122; first gas collecting part 121 and second gas collecting part 122 all are provided with a plurality of gas collecting furnace, all are equipped with the gas collecting cavity in a plurality of gas collecting furnace, and the gas collecting cavity of first gas collecting part 121 and smelting cavity 111 intercommunication, the gas collecting cavity and the air inlet intercommunication of second gas collecting part 122. Thus, the first gas collecting piece 121 is arranged, so that the gas collecting component 12 is convenient to communicate with the smelting chamber 111 through the action of the first gas collecting piece 121, and meanwhile, the combustion-supporting gas introduced into the smelting chamber 111 is convenient to store; by providing the second gas collecting member 122, the gas collecting member 12 is facilitated to communicate with the gas inlet by the action of the second gas collecting member 122, while the storage of the combustion-supporting gas to be introduced into the combustion furnace 32 is facilitated.
As shown in FIG. 1, in one embodiment, the metal casting apparatus further comprises a first draft tube for communicating the smelt chamber 111 and the storage chamber and a second draft tube for communicating the storage chamber and the ingot chamber 311. Therefore, the first drainage tube is arranged, so that the smelting chamber 111 is communicated with the storage chamber, and molten metal formed by melting metal in the smelting chamber 111 can be conveyed into the storage chamber for storage; through being provided with the second drainage tube, realized the intercommunication of storage cavity and ingot casting cavity 311 for the metal melt of saving in the storage cavity can be transported to ingot casting cavity 311 and cool off the design.
In one embodiment, the first draft tube and the second draft tube are provided with liquid control valves for controlling the flow state of the molten metal. Thus, the flow rate and the flow direction of the molten metal are controlled by the liquid control valve.
As shown in FIG. 1, in one embodiment, the metal casting apparatus further comprises a first conduit, a second conduit, and a third conduit for communicating the gas collecting chamber of the first gas collecting member 121 with the smelt chamber 111; the first conduit is used for communicating the gas inlet with the gas collection chamber of the second gas collecting member 122, and the second conduit is used for communicating the gas outlet with the ingot casting chamber 311. Thus, by providing the first conduit, communication between the air inlet and the air collecting chamber of the second air collecting member 122 is achieved; the second conduit is arranged, so that the gas outlet is communicated with the ingot casting cavity 311; the third conduit is arranged, so that the gas collecting cavity of the first gas collecting piece 121 is communicated with the smelting cavity 111; the first conduit, the second conduit and the third conduit are used for conveying combustion-supporting gas.
In one embodiment, the first conduit, the second conduit and the third conduit are provided with gas control valves for controlling the flow state of the gas. Thus, the control of the delivery state of the combustion-supporting gas and the hot gas generated by the combustion-supporting gas is realized by providing the gas control valve.
In one of the embodiments, the smelting apparatus 1 also includes a support 5 for supporting the smelting furnace 11. So, through being provided with support 5, be convenient for support the bearing of smelting furnace 11.
As shown in fig. 7, in one of the embodiments, the wire feeding member 6 includes a fixing plate 61, a driving part 62, and a wire outlet member installed on the fixing plate 61; the wire discharging piece comprises a fixed block 65, a wire feeding roller 64 and a wire discharging frame 63 for conveying metal wires to the wire feeding roller 64; the wire outlet 651 is located on the fixed block 65 and used for a metal wire to pass through, the metal wire is wound on the wire feeding roller 64, the wire feeding roller 64 is rotatably connected with the fixed plate 61 and used for conveying the metal wire to the wire outlet 651, the driving part 62 is arranged on one end face of the fixed plate 61 far away from the wire outlet and used for controlling the wire outlet speed of the wire feeding roller 64, and the output end of the driving part 62 passes through the fixed plate 61 and is connected with the wire feeding roller 64. Thus, the fixing plate 61 is arranged, so that the installation of the wire outlet piece is facilitated; the discharge frame 63 is arranged, so that the metal wires can be conveniently placed and conveyed to the wire feeding rollers 64; the wire feeding roller 64 is arranged, so that the wire conveyed from the discharging frame 63 can be wound conveniently, meanwhile, the wire feeding roller 64 can rotate relative to the fixed plate 61, the wire discharging speed of the wire can be controlled through the rotating speed, and the wire discharging speed is matched with the casting speed of the round cast ingot; the wire outlet 651 is arranged, so that the position of the metal wire conveyed out of the wire feeding roller 64 can be fixed conveniently, the metal wire conveyed out of the wire outlet 651 can be accurately added into the center of the metal liquid cavity 332, the metal wire is melted in the center of the metal liquid cavity 332, partial heat is absorbed, and the temperature of the center of the metal liquid cavity 332 is reduced.
The working principle is as follows:
the metal casting apparatus may be used for aluminum alloy casting; placing the metal waste in the smelting chamber 111, then opening a gas control valve on a third conduit to lead combustion-supporting gas in the gas-collecting chamber into the smelting chamber 111, then opening a first heating element to rapidly heat and burn the combustion-supporting gas to melt the metal waste, and when the metal waste begins to be in a solid-liquid coexisting state, opening a first driving element 41 at the top of the smelting furnace 11 to control a stirring element 42 in the smelting chamber 111 to rotate, so that the effect of accelerating the melting of the metal waste is realized; when the metal waste in the smelting chamber 111 is converted into molten metal, the liquid control valve on the first drainage tube is opened, so that the molten metal flows into the storage chamber for storage; meanwhile, the ingot casting component 33 is arranged in the ingot casting cavity 311, and after the ingot casting component 33 is ready, the liquid control valve on the second drainage pipe is opened, so that the metal stored in the storage cavity is smelted and flows into the ingot casting cavity 311, and then flows into a metal liquid cavity 332 formed in the ingot casting component 33, the molten metal is cooled and formed through the cooling effect of the crystallizer 331, and the molten metal is pulled out of the crystallizer 331 through the effect of the dummy bar 334 to form a round ingot; in the process of cooling the molten metal cavity 332, a wire feeding member 6 positioned on one side of the ingot furnace 31 uniformly adds a wire towards the center of the molten metal cavity 332, the wire discharging speed is matched with the casting speed of a round ingot, the wire is melted in the center of the molten metal cavity 332 to absorb partial heat, so that the temperature of the central part of the molten metal cavity 332 is reduced, at the moment, the temperature difference between the central part of the molten metal cavity 332 and the outer layer temperature of the ingot is reduced, the molten metal cavity 332 becomes shallow, the temperature gradient is reduced, the ingot is uniformly cooled, the crack tendency is reduced, and meanwhile, as the molten metal cavity 332 becomes shallow, the residence time of molten metal is shortened, thereby being beneficial to improving the quality of metal smelting; the molten metal and the metal wire are made of aluminum alloy, so that the condition that the molten metal is uneven due to the fact that the metal wire is inserted into the molten metal cavity 332 to be melted and the material composition of the finally formed round ingot is affected is avoided. Thus, the problem of large crack tendency of the traditional metal casting equipment is solved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A metal casting apparatus, comprising
The smelting device is internally provided with a first heating element and a smelting chamber for smelting metal, and the first heating element is positioned in the smelting chamber and is used for heating and melting the metal;
the storage device is internally provided with a storage chamber for storing molten metal, and the storage chamber is communicated with the smelting chamber;
the casting device comprises an ingot furnace and a wire feeding component which is positioned on one side of the ingot furnace and used for outputting metal wires; the ingot casting furnace is internally provided with an ingot casting cavity and an ingot casting component positioned in the ingot casting cavity, the ingot casting cavity is communicated with the storage cavity, the ingot casting component is used for solidification and shaping of the molten metal, a molten metal cavity used for collecting the molten metal is formed in the ingot casting component, and a wire outlet of the wire feeding component faces towards the molten metal cavity.
2. The metal casting apparatus of claim 1, wherein the smelting device comprises a smelting furnace and a gas collection member; the first heating element and the smelting chamber are positioned in the smelting furnace, a gas collecting chamber used for collecting combustion-supporting gas is arranged in the gas collecting component, and the gas collecting chamber is communicated with the smelting chamber.
3. The metal casting apparatus of claim 1, further comprising a stirring member comprising a stirring element disposed at the bottom of the smelting chamber and a first drive disposed at the top of the smelting furnace, an output end of the first drive passing through the smelting furnace and being connected with the stirring element.
4. The metal casting apparatus of claim 2, wherein the casting device further comprises a burner having an air inlet, an air outlet, and a second heating element located within the burner; the gas inlet is communicated with the gas collection cavity, the gas outlet is communicated with the ingot casting cavity, and the second heating element is used for igniting the combustion-supporting gas in the combustion furnace.
5. The metal casting apparatus of claim 4, wherein the furnace is further provided with a blast member comprising fan blades and a second drive disposed at the top of the furnace; the fan blade is positioned in the combustion furnace, and the output end of the second driving piece penetrates through the combustion furnace and is connected with the fan blade.
6. The metal casting apparatus of claim 1, wherein the ingot component comprises a crystallizer, an ingot piece, and a starter piece connected to the ingot piece; the crystallizer is arranged on the inner wall of the ingot casting cavity, the ingot casting piece is arranged in the crystallizer, the metal liquid cavity is located at the top of the ingot casting piece, and the crystallizer is used for reducing the surface temperature of the metal liquid cavity.
7. The metal casting apparatus of claim 4, wherein the gas collection member comprises a first gas collector and a second gas collector; the first gas collecting piece and the second gas collecting piece are provided with a plurality of gas collecting furnaces, the gas collecting furnaces are provided with gas collecting chambers, the gas collecting chambers of the first gas collecting piece are communicated with the smelting chamber, and the gas collecting chambers of the second gas collecting piece are communicated with the gas inlet.
8. The metal casting apparatus of claim 1, further comprising a first draft tube for communicating the smelt chamber and the storage chamber and a second draft tube for communicating the storage chamber and the ingot chamber.
9. The metal casting apparatus of claim 7, further comprising a first conduit, a second conduit, and a third conduit for communicating the gas collection chamber of the first gas collection member with the smelt chamber; the first guide pipe is used for communicating the gas inlet with a gas collecting cavity of the second gas collecting piece, and the second guide pipe is used for communicating the gas outlet with the ingot casting cavity.
10. The metal casting apparatus of claim 1, wherein the smelting device further comprises a support for supporting the smelting furnace.
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Application publication date: 20211203 |