CN112226628A - Smelting process of aluminum bar - Google Patents
Smelting process of aluminum bar Download PDFInfo
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- CN112226628A CN112226628A CN202011058828.4A CN202011058828A CN112226628A CN 112226628 A CN112226628 A CN 112226628A CN 202011058828 A CN202011058828 A CN 202011058828A CN 112226628 A CN112226628 A CN 112226628A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 214
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 214
- 238000003723 Smelting Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 128
- 239000002893 slag Substances 0.000 claims abstract description 70
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000001746 injection moulding Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 20
- 239000013049 sediment Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 20
- 230000008018 melting Effects 0.000 abstract description 20
- 239000004411 aluminium Substances 0.000 description 17
- 230000000903 blocking effect Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/062—Obtaining aluminium refining using salt or fluxing agents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/066—Treatment of circulating aluminium, e.g. by filtration
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The application relates to the field of aluminum bar production and processing, and discloses a smelting process of an aluminum bar, which comprises the following processing steps of smelting raw materials: adding raw materials of an aluminum bar into a melting furnace, heating to 690 and 790 ℃, and stirring to form aluminum liquid; removing coarse slag bodies in the aluminum liquid: carrying out slag salvaging on coarse slag bodies which are precipitated at the bottom layer of the aluminum liquid and float on the surface of the aluminum liquid; removing fine slag in the aluminum liquid: adding a deslagging agent into the aluminum liquid after the coarse slag bodies are removed, wherein the mass ratio of the deslagging agent to the aluminum liquid is 1.5: 1000, stirring to separate the fine slag bodies from the aluminum liquid, and dredging the slag bodies; injection molding of aluminum liquid: discharging the aluminum liquid from the melting furnace and injecting the aluminum liquid into a mold to form an aluminum bar; processing the aluminum bar: and after cooling the aluminum bar, stamping and cutting the aluminum bar to process the aluminum bar into the aluminum profile required by production. The method and the device have the advantages that the slag in the aluminum liquid is cleaned up, the purity of the aluminum liquid is improved, and the production quality of the aluminum bar is improved.
Description
Technical Field
The application relates to the field of aluminum bar production and processing, in particular to a smelting process of an aluminum bar.
Background
At present, aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, and is widely applied in aviation, aerospace, automobile, mechanical manufacturing, ships and chemical industry. When the aluminum alloy is produced, the aluminum alloy is required to be smelted, then the aluminum liquid is subjected to injection molding to form an aluminum bar, and finally the aluminum bar is subjected to stamping deformation to form the required aluminum alloy section.
Chinese patent publication No. CN108048669A discloses a smelting process of a cast aluminum bar for aluminum profiles, which comprises the steps of firstly putting an aluminum raw material into a smelting furnace, introducing nitrogen into the smelting furnace, and discharging air in the smelting furnace; melting an aluminum raw material into molten aluminum by using a melting furnace, and uniformly vibrating and stirring the molten aluminum by using ultrasonic waves; respectively discharging impurities on the surface of the molten aluminum and impurities on the bottom layer of the molten aluminum, and simultaneously discharging air in the aluminum bar casting device by using heated nitrogen and preheating the aluminum bar casting device; extruding molten aluminum into an aluminum bar die tube of an aluminum bar casting device from bottom to top; collecting redundant molten aluminum; cooling and casting the aluminum bar die tube and the molten aluminum inside the aluminum bar die tube into an aluminum bar; spraying an anti-oxidation coating on the surface of the aluminum bar to form an anti-oxidation coating; and taking out the aluminum bar.
In view of the above-mentioned related technologies, the inventor believes that during the aluminum rod smelting process, there exists slag (i.e. impurities in the aluminum liquid) in the filtrate, and the slag will float on the surface of the aluminum liquid and precipitate on the bottom layer of the aluminum liquid, and the slag will suspend in the aluminum liquid and mix with the aluminum liquid, and only the slag on the surface of the aluminum liquid and precipitated on the bottom layer of the aluminum liquid will be removed, and there is a defect of incomplete slag removal of the aluminum liquid, which affects the product quality of the aluminum rod.
Disclosure of Invention
In order to overcome the defect of incomplete deslagging of aluminum liquid in the related technology, the application provides a smelting process of an aluminum rod.
The application provides a smelting process of an aluminum bar, which is obtained by adopting the following technical scheme:
a smelting process of an aluminum bar comprises the following processing steps,
smelting raw materials: adding raw materials of an aluminum bar into a melting furnace, heating to 690 and 790 ℃, and stirring to form aluminum liquid;
removing coarse slag bodies in the aluminum liquid: carrying out slag salvaging on coarse slag bodies which are precipitated at the bottom layer of the aluminum liquid and float on the surface of the aluminum liquid;
removing fine slag in the aluminum liquid: adding a deslagging agent into the aluminum liquid after the coarse slag bodies are removed, wherein the mass ratio of the deslagging agent to the aluminum liquid is 1.5: 1000, stirring to separate the fine slag bodies from the aluminum liquid, and dredging the slag bodies;
injection molding of aluminum liquid: discharging the aluminum liquid from the melting furnace and injecting the aluminum liquid into a mold to form an aluminum bar;
processing the aluminum bar: and after cooling the aluminum bar, stamping and cutting the aluminum bar to process the aluminum bar into the aluminum profile required by production.
Through the technical scheme, the slag is fished for the coarse slag body firstly in the process of smelting the aluminum liquid, then the slag body is separated from the aluminum liquid by adding the slag removing agent into the aluminum liquid, so that an operator can conveniently remove the slag body in the aluminum liquid through secondary slag fishing, the purity of the aluminum liquid is favorably improved, and the production quality of the aluminum rod is favorably improved. The coarse slag bodies are fished out firstly, and then the slag removing agent is added, so that the reaction efficiency of the slag removing agent and the aluminum liquid is improved, and the removal efficiency of the fine slag bodies is improved.
Preferably: be equipped with in the smelting pot and be used for dragging for the sediment mechanism of dragging for the sediment, drag for sediment mechanism and include filter screen and the connecting rod that links to each other with the filter screen, the outer lane rigid coupling of filter screen has solid fixed ring, gu fixed ring's outer lane is laminated with the inner wall of smelting pot mutually, the one end that the connecting rod was kept away from to the filter screen is laminated with the diapire of smelting pot mutually, filter screen, solid fixed ring and connecting rod are made by iron, the one end that the filter screen was kept away from to the connecting rod links to each other with the apron of.
According to the technical scheme, in the smelting process, the coarse slag body falls onto the filter screen, when slag is fished, the cover plate is driven to ascend through the driving assembly, at the moment, the connecting rod drives the filter screen to ascend from the position in the smelting furnace, and therefore the coarse slag body is fished out of the smelting furnace by the filter screen; then the fine slag body is fished through the filter screen, and the operation is simple and convenient.
Preferably: the driving assembly comprises a support frame and a cylinder fixedly arranged on the support frame, the bottom end of the support frame is fixedly supported on the ground, the cylinder is vertically arranged above the cover plate, and one end, far away from the support frame, of the cylinder is fixedly connected with the cover plate.
Through above-mentioned technical scheme, when dragging for the sediment, the output withdrawal of cylinder drives the apron position and rises, and the apron drives connecting rod and filter screen position and rises this moment to the filter screen is fished out the slag body from aluminium liquid, treats that the operator is with the slag body clean up back on the filter screen, and cylinder drive apron position descends, descends to initial position until the apron position.
Preferably: the smelting furnace is characterized in that a feed inlet is formed in the cover plate, a guide cylinder is arranged at the feed inlet, the opening diameter of the guide cylinder increases progressively from bottom to top, and the bottom end of the guide cylinder is fixedly connected to the outer side of the cover plate and communicated with the feed inlet.
Through above-mentioned technical scheme, the open area of feed inlet has been increased in the setting of guide cylinder to for adding the raw materials in the smelting pot from the feed inlet through the guide cylinder, having played the guide effect, reduced the possibility that the raw materials spilled over from feed inlet department in the feeding process.
Preferably: the utility model discloses a smelting furnace, including smelting pot, baffle, the smelting pot is close to the lateral wall of bottom and has seted up the liquid outlet, the outside of smelting pot is equipped with the guiding gutter in the below of liquid outlet, the guiding gutter is including accepting the board and two along accepting the baffle that the board set up along length direction, one the baffle corresponds and accepts the board and connect along one side that length direction extends, the longitudinal section of accepting the board is the arc, just it is sunken downwards to accept the direction that the liquid outlet was kept away from to the board orientation, the guiding gutter can be dismantled the outside of.
Through the technical scheme, when the aluminum liquid is discharged from the liquid outlet, the aluminum liquid flows into the diversion trench and flows down along the bearing plate, and the diversion trench is arranged to play a role in diversion of the aluminum liquid. The arrangement of the arc-shaped bearing plate has the effect of buffering the aluminum liquid flowing onto the bearing plate, and the possibility of splashing caused by overlarge instantaneous impact force when the aluminum liquid falls onto the bearing plate is reduced.
Preferably: the one end of accepting board and baffle towards the smelting pot is contradicted on the lateral wall of smelting pot, one side that accepts board and baffle and deviate from the liquid outlet all is connected with the extension piece, the lateral wall of extension piece and smelting pot is laminated mutually, the piece that extends passes through second screw threaded connection on the smelting pot.
Through the technical scheme, the guide groove and the smelting furnace are detachably connected, so that an operator can conveniently detach and replace the guide groove.
Preferably: a cover body is fixedly arranged above the flow guide groove, one side of the cover body in the length direction is fixedly welded with one baffle, and the other side of the cover body in the length direction is fixedly welded with the other baffle.
Through the technical scheme, the cover body covers the opening above the diversion trench, so that on one hand, the dust-blocking effect on the aluminum liquid flowing in the diversion trench can be achieved; on the other hand, the cover body covers the molten aluminum liquid, so that the possibility of potential safety hazards caused by splashing of the aluminum liquid is reduced, and the splashing prevention effect is achieved.
Preferably: the utility model discloses a smelting furnace, including guiding gutter, first supporting block, extension piece, the below of guiding gutter is equipped with the first supporting block that is used for supporting the guiding gutter, first supporting block fixed connection is in the outside of smelting furnace, one side that first supporting block orientation extended the piece is equipped with the depressed part, it is located the top of depressed part to extend the piece.
Through the technical scheme, the cover body covers the opening above the diversion trench, so that on one hand, the dust-blocking effect on the aluminum liquid flowing in the diversion trench can be achieved; on the other hand, the cover body covers the molten aluminum liquid, so that the possibility of potential safety hazards caused by splashing of the aluminum liquid is reduced, and the splashing prevention effect is achieved.
Preferably: in the aluminum bar processing procedure, the aluminum bar is cooled by a cooling device, the cooling device comprises a cooling chamber and an air cooling mechanism arranged in the cooling chamber, a placing table is arranged in the cooling chamber, a placing groove used for placing the aluminum bar is arranged on the placing table, the air cooling mechanism comprises a connecting plate and a fan arranged on one side of the connecting plate, facing the placing table, of the connecting plate, and the connecting plate is arranged on the inner side wall of the cooling chamber in a sliding mode.
Through above-mentioned technical scheme, when cooling off the aluminium bar, place the aluminium bar in the standing groove of placing the platform, the fan is bloied towards the aluminium bar outside to carry out air-cooled to the aluminium bar, improved the refrigerated efficiency of aluminium bar.
Preferably: the longitudinal section of the connecting plate is arc-shaped, a rack is fixedly connected to one side of the connecting plate, facing the placing table, along the periphery, a second motor is fixedly arranged on the inner side wall of the cooling chamber, a gear is coaxially connected to a rotating shaft of the second motor, and the gear is meshed with the rack.
Through above-mentioned technical scheme, the second motor during operation, the second motor drives the gear rotation, and the gear drives rack drive for the connecting plate removes along the lateral wall of cooling chamber, thereby makes the position of fan take place to deflect, so that the fan blows to the aluminium bar from the angle of difference, is favorable to realizing carrying out all-round forced air cooling to the aluminium bar, has improved the refrigerated quality of aluminium bar.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the process of smelting the aluminum liquid, the coarse slag bodies are fished first, and then the fine slag bodies are fished, so that the purity of the aluminum liquid is improved, and the production quality of aluminum bars is improved;
2. the liquid guiding and buffering function is realized on the aluminum liquid discharged from the liquid outlet, and the possibility of splashing during the discharge of the aluminum liquid is reduced.
Drawings
Fig. 1 is a schematic diagram for showing a state that a filter screen is driven by a cylinder to move out of a furnace in the embodiment of the application.
Fig. 2 is a schematic view illustrating a state when the plugging assembly and the liquid outlet are opened in the embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is a schematic structural diagram for embodying a cooling device in the embodiment of the present application.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Fig. 6 is a sectional view for showing a connection relationship between the bolt and the shift lever in the embodiment of the present application.
Reference numerals: 1. a furnace; 11. a feed inlet; 12. a material guide cylinder; 13. a cover plate; 14. a first motor; 15. a stirring paddle; 16. a liquid outlet; 2. a slag dragging mechanism; 21. a filter screen; 22. a fixing ring; 23. a connecting rod; 24. a support frame; 25. a cylinder; 3. a plugging mechanism; 31. a plugging plate; 311. a groove; 32. a first fixed block; 33. a screw; 331. a sphere; 332. briquetting; 333. a first screw; 4. a diversion trench; 41. a bearing plate; 42. a baffle plate; 43. an extension piece; 431. a second screw; 44. a cover body; 45. a first support block; 451. a recessed portion; 5. a cooling device; 51. a cooling chamber; 52. a placing table; 521. a placement groove; 53. a second support block; 531. a waist-shaped groove; 54. a deflector rod; 541. a chute; 542. a rubber layer; 55. a bolt; 551. a slider; 56. a second fixed block; 6. an air cooling mechanism; 61. a connecting plate; 62. a fan; 63. a second motor; 64. a rack; 65. a gear.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a smelting process of an aluminum bar. Referring to fig. 1, a smelting process, which includes the following processing steps:
referring to fig. 1, smelting feed: the smelting furnace 1 is provided with a feeding hole 11 on a cover plate 13, a material guide cylinder 12 is arranged at the feeding hole 11, the opening caliber of the material guide cylinder 12 increases from bottom to top, the bottom end of the material guide cylinder 12 is welded on the outer side of the cover plate 13 and is communicated with the feeding hole 11, and the feeding opening area is increased due to the arrangement of the material guide cylinder 12. The smelting furnace 1 is internally provided with a stirring paddle 15, the top end of the stirring paddle 15 penetrates through a cover plate 13, the cover plate 13 is provided with a first motor 14, and the first motor 14 is used for driving the stirring paddle 15 to rotate. The raw material of the aluminum bar is added into the melting furnace 1 through the guide cylinder 12, heated to 740 ℃, and then the first motor 14 drives the stirring paddle 15 to rotate, so that the stirring paddle 15 stirs the raw material of the aluminum liquid to form the aluminum liquid.
Referring to fig. 1, be equipped with in the smelting pot 1 and be used for dragging for sediment mechanism 2 of dragging for sediment, drag for sediment mechanism 2 and include filter screen 21 and the connecting rod 23 that links to each other with filter screen 21, filter screen 21's outer lane is integrative to be connected with solid fixed ring 22, gu fixed ring 22's outer lane is laminated with the inner wall of smelting pot 1 mutually, connecting rod 23 towards filter screen 21's one end and solid fixed ring 22 welded fastening. One end of the filter screen 21, which is far away from the connecting rod 23, is attached to the bottom wall of the smelting furnace 1, and the filter screen 21 is positioned below the stirring paddle 15. The filter net 21, the fixing ring 22 and the connecting rod 23 are made of iron, and the melting point of the iron is 1538 ℃. One end of the connecting rod 23 far away from the fixing ring 22 is fixedly welded with the cover plate 13 of the melting furnace 1, and a driving assembly for driving the cover plate 13 to lift is arranged outside the melting furnace 1. The driving assembly comprises a supporting frame 24 and a cylinder 25 fixedly arranged on the supporting frame 24, the bottom end of the supporting frame 24 is fixedly supported on the ground, the cylinder 25 is arranged in the vertical direction, the cylinder 25 is positioned above the cover plate 13, and one end, far away from the supporting frame 24, of the cylinder 25 is fixedly connected with the cover plate 13.
Referring to fig. 1, removing coarse slag in aluminum liquid: sediment is salvaged at aluminium liquid bottom and the thick sediment body that floats on aluminium liquid surface to the sediment, and cylinder 25 drive apron 13 position rises this moment to apron 13 drives connecting rod 23 and filter screen 21 position and rises, and filter screen 21 will deposit at the thick sediment body of aluminium liquid bottom and float at the thick sediment body on aluminium liquid surface and salvage out in aluminium liquid, then the operator clears up the filter residue on filter screen 21, and clean up back, and cylinder 25 drive apron 13 is located to descend to initial position.
Referring to fig. 1, removing fine slag in aluminum liquid: after the coarse slag bodies are removed from the aluminum liquid, a deslagging agent is added into the aluminum liquid after the coarse slag bodies are removed, the type of the deslagging agent is DZ-J01, the mass ratio of the deslagging agent to the aluminum liquid is 1.5: 1000, and the fine slag bodies are stirred by a stirring paddle 15 to be separated from the aluminum liquid. Then, the slag dragging mechanism 2 repeatedly removes the operation steps in the procedure of coarse slag in the aluminum liquid, and drags the fine slag, so that the slag in the aluminum liquid is cleaned, the purity of the aluminum liquid is improved, and the quality of aluminum bar production is improved. Before the slag removing agent is added, the coarse slag bodies in the aluminum liquid are fished out, then the slag removing agent is added, and the slag removing agent reacts with the slag bodies in the aluminum liquid, so that the slag bodies are separated from the aluminum liquid, the reaction efficiency of the slag removing agent and the aluminum liquid is improved, and the removal efficiency of fine slag bodies is improved.
Referring to fig. 1 and 2, a liquid outlet 16 is formed in a side wall of the melting furnace 1 near the bottom, the liquid outlet 16 is blocked by a blocking mechanism 3, the blocking mechanism 3 includes a blocking plate 31, a first fixing block 32 and a screw 33 connected to the blocking plate 31, the blocking plate 31 is slidably disposed outside the melting furnace 1 and is abutted against the outer side wall of the melting furnace 1, the first fixing block 32 is welded and fixed to the outer side of the melting furnace 1 and is located above the blocking plate 31, and the screw 33 is also located above the blocking plate 31 in the height position. Threaded holes are formed in the first fixing blocks 32, the screw rods 33 penetrate through the threaded holes and are in threaded connection with the first fixing blocks 32 through the threaded holes, and one ends of the screw rods 33 penetrating through the first fixing blocks 32 are rotatably connected with the blocking plates 31.
Referring to fig. 1 and 2, in operation, an operator may move the plugging plate 31 in a vertical direction by screwing the screw 33, so that the screw 33 drives the plugging plate. When plugging the liquid outlet 16, the operator twists the screw 33 toward the direction close to the liquid outlet 16, so that the plugging plate 31 moves toward the direction close to the liquid outlet 16 until the liquid outlet 16 is plugged by the plugging plate 31. When it is desired to open the outlet 16 for draining, the operator turns the screw 33 away from the outlet 16 until the closure plate 31 is completely removed from the outlet 16, at which time the aluminum liquid is discharged from the outlet 16. The moving direction of the screw 33 and the blocking plate 31 is staggered with the direction of liquid discharge of the aluminum liquid, so that the possibility of potential safety hazards of scalding operators caused by outflow of the aluminum liquid in a high-temperature molten state in the process of opening or blocking the liquid outlet 16 is reduced, and the safety performance of operation is improved.
Referring to fig. 1 and 3, a sphere 331 is fixedly connected to an end of the screw 33 facing the blocking plate 31, a diameter of the sphere 331 is larger than a diameter of the screw 33, a groove 311 matching with the sphere 331 is formed in a side of the blocking plate 31 facing the screw 33, and the sphere 331 is inserted into the groove 311 and is in rotational fit with the groove 311. The pressing block 332 is sleeved on the screw 33, the pressing block 332 is limited on one side, deviating from the groove 311, of the ball 331, the pressing block 332 is attached to one side, facing the screw 33, of the blocking plate 31, the notch of the groove 311 is completely covered, the pressing block 332 is in threaded connection with the blocking plate 31 through the first screw 333, the ball 331 is limited in the groove 311 at the moment, and therefore the screw 33 is rotatably connected with the blocking plate 31.
Referring to fig. 1 and 3, when the operator screws the screw 33, the ball 331 rotates in the groove 311, and the blocking plate 31 is driven to move along with the screw 33 along with the movement of the screw 33. When the plugging plate 31 needs to be replaced, an operator firstly unscrews the first screw 333 from the pressing block 332 and the plugging plate 31 and takes the ball 331 out of the groove 311, so that the screw 33 is separated from the plugging plate 31, and then the operator replaces a new plugging plate 31, and the operation is simple and convenient.
Referring to fig. 2, a baffle groove 4 is arranged below the liquid outlet 16 outside the melting furnace 1, the baffle groove 4 includes a receiving plate 41 and two baffle plates 42, the baffle plates 42 are arranged along the vertical direction, one baffle plate 42 is correspondingly and integrally connected to one side of the receiving plate 41 extending along the length direction, the longitudinal section of the receiving plate 41 is arc-shaped, and the receiving plate 41 is recessed downwards towards the direction far away from the liquid outlet 16. The end of the bearing plate 41 and the end of the baffle plate 42 facing the melting furnace 1 are abutted against the outer side wall of the melting furnace 1, the side of the bearing plate 41 and the side of the baffle plate 42 facing away from the liquid outlet 16 are both connected with extension pieces 43, the extension pieces 43 are attached to the outer side wall of the melting furnace 1, and the extension pieces 43 are screwed on the melting furnace 1 through second screws 431. The diversion trench 4 is detachably connected to the outer side of the smelting furnace 1, so that an operator can conveniently install and detach the diversion trench 4.
Referring to fig. 2, the arrangement of the guiding gutter 4 plays a role in receiving and guiding the aluminum liquid flowing out through the liquid outlet 16, and the arrangement of the arc-shaped receiving plate 41 plays a role in buffering the instant impact force of the aluminum liquid falling onto the receiving plate 41. A cover body 44 is fixedly arranged above the diversion trench 4, one side of the cover body 44 along the length direction is fixedly welded with one baffle plate 42, the other side of the cover body 44 along the length direction is fixedly welded with the other baffle plate 42, and a gap is reserved between one end of the cover body 44 facing the smelting furnace 1 and the outer side wall of the smelting furnace 1. The cover body 44 is arranged to have the effect of blocking dust and preventing splashing on the aluminum liquid flowing in the diversion trench 4.
Referring to fig. 2, a first support block 45 for supporting the baffle box 4 is arranged below the baffle box 4, the first support block 45 is welded and fixed on the outer side of the furnace 1, a recess 451 is arranged at one end of the first support block 45 facing the extension piece 43, and the extension piece 43 is arranged above the recess 451. The first support blocks 45 are provided to enhance the stability of the support of the guide groove and the cover 44, thereby facilitating the improvement of the stability of the connection between the guide groove and the outer side wall of the melting furnace 1.
Referring to fig. 2, molten aluminum injection molding: discharging the aluminum liquid from a liquid outlet 16 of the smelting furnace 1, and injecting the aluminum liquid into a mold to form an aluminum bar;
processing the aluminum bar: and after cooling the aluminum bar, stamping and cutting the aluminum bar to process the aluminum bar into the aluminum profile required by production.
Referring to fig. 4, in the step of processing the aluminum bar, the aluminum bar is cooled by the cooling device 5, the cooling device 5 includes a cooling chamber 51 and an air cooling mechanism 6 provided in the cooling chamber 51, a placing table 52 is provided in the cooling chamber 51, a placing groove 521 for placing the aluminum bar is provided on the placing table 52, and a turning unit for turning the aluminum bar in the placing groove 521 is provided on the placing table 52. The overturning component comprises a second supporting block 53 and a shifting lever 54 which is slidably arranged through the second supporting block 53, the second supporting block 53 is fixedly bonded on one side of the placing table 52, a waist-shaped groove 531 for the shifting lever 54 to penetrate is formed in the second supporting block 53 along the vertical direction, and the shifting lever 54 penetrates through the waist-shaped groove 531.
Referring to fig. 4, a second fixing block 56 is fixedly bonded to the outer side of the second supporting block 53 below the shift lever 54, a threaded hole is formed in the second fixing block 56, a bolt 55 is connected to the second fixing block 56 in a threaded manner, the bolt 55 penetrates through the threaded hole and is connected with the second fixing block 56 in a threaded manner, and one end of the bolt 55, which is far away from the second fixing block 56, is used for supporting the shift lever 54.
Referring to fig. 5 and 6, a slider 551 is rotatably connected to an end of the bolt 55 away from the second fixed block 56, a sliding slot 541 is formed in the side of the shift lever 54 facing the bolt 55 along a length extending direction, the slider 551 may be a dovetail block, the sliding slot 541 may be a dovetail groove, and the slider 551 is embedded in the sliding slot 541 and is in sliding fit with the sliding slot 541. The deflector rod 54 is arranged along the width extending direction of the placing table 52, and a rubber layer 542 is adhered to one side of the deflector rod 54 facing the placing table 52, and the rubber layer 542 is used for abutting and rubbing with the outer side of the aluminum bar.
Referring to fig. 4 and 6, in operation, an operator adjusts the height position of the shift lever 54 according to the diameter of the aluminum rod, and then the operator screws the bolt 55, so that the bolt 55 drives the shift lever 54 to move in the vertical direction until the shift lever 54 moves to the corresponding height position; the driver 54 is now supported on the screw 55. Then, the operator moves the shift lever 54 in the horizontal direction, and at this time, the sliding block 551 moves along the sliding groove 541, and a contact friction is formed between the rubber layer 542 on the shift lever 54 and the outer side of the aluminum rod, so as to drive the aluminum rod to turn over in the placing groove 521. The aluminum bar is overturned in the air cooling process of the aluminum bar, so that the aluminum bar is favorably cooled in all directions outside the aluminum bar, and the cooling effect of the aluminum bar is favorably improved.
Referring to fig. 4, the air cooling mechanism 6 includes a connection plate 61 and a fan 62, the connection plate 61 is slidably disposed on an inner sidewall of the cooling chamber 51, and a second motor 63 is disposed on a side of the connection plate 61 facing the placing table 52. The connecting plate 61 has a circular arc-shaped longitudinal section, and a rack 64 is bonded to the connecting plate 61 along the periphery thereof on the side facing the placement table 52. A second motor 63 is mounted on the inner side wall of the cooling chamber 51, a gear 65 is coaxially connected to a rotating shaft of the second motor 63, and the gear 65 is engaged with the rack 64.
Referring to fig. 4, when carrying out the forced air cooling to the aluminium bar, second motor 63 work, and second motor 63 drive gear 65 is rotatory, and gear 65 and rack 64 meshing transmission for rack 64 drives connecting plate 61 and slides along the inner wall of cooling chamber 51, thereby makes fan 62 take place the position along with connecting plate 61 and removes, so that fan 62 blows to the aluminium bar from the angle of difference, is favorable to further improving the cooling effect to the aluminium bar.
The implementation principle of the smelting process of the aluminum bar in the embodiment of the application is as follows: adding raw materials of an aluminum bar into a smelting furnace 1 through a guide cylinder 12 for smelting, fishing out coarse slag bodies in aluminum liquid through a slag fishing mechanism 2, adding a slag removing agent into the aluminum liquid, separating fine slag bodies from the aluminum liquid through the slag removing agent, and separating the fine slag bodies from the aluminum liquid through the slag fishing mechanism 2. Then, the operator discharges the liquid outlet 16, the aluminum liquid from the liquid outlet 16, and then injects the aluminum liquid into the mold to form the aluminum rod. Then the aluminum bar is cooled by a cooling device 5, and finally the aluminum bar is stamped and cut to be processed into the aluminum profile required by production.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. A smelting process of an aluminum bar is characterized by comprising the following steps: comprises the following processing steps of the following steps of,
smelting raw materials: adding the raw material of the aluminum bar into the smelting furnace (1), heating to 690 and 790 ℃, and stirring to form aluminum liquid;
removing coarse slag bodies in the aluminum liquid: carrying out slag salvaging on coarse slag bodies which are precipitated at the bottom layer of the aluminum liquid and float on the surface of the aluminum liquid;
removing fine slag in the aluminum liquid: adding a deslagging agent into the aluminum liquid after the coarse slag bodies are removed, wherein the mass ratio of the deslagging agent to the aluminum liquid is 1.5: 1000, stirring to separate the fine slag bodies from the aluminum liquid, and dredging the slag bodies;
injection molding of aluminum liquid: discharging the aluminum liquid from the smelting furnace (1) and injecting the aluminum liquid into a mold to form an aluminum bar;
processing the aluminum bar: and after cooling the aluminum bar, stamping and cutting the aluminum bar to process the aluminum bar into the aluminum profile required by production.
2. The aluminum bar smelting process of claim 1, wherein: be equipped with in smelting pot (1) and be used for dragging for sediment mechanism (2) of dragging for sediment, drag for sediment mechanism (2) including filter screen (21) and connecting rod (23) that link to each other with filter screen (21), the outer lane rigid coupling of filter screen (21) has solid fixed ring (22), the outer lane of solid fixed ring (22) is laminated with the inner wall of smelting pot (1) mutually, the one end that connecting rod (23) were kept away from in filter screen (21) is laminated with the diapire of smelting pot (1) mutually, filter screen (21), solid fixed ring (22) and connecting rod (23) are made by iron, the one end that filter screen (21) were kept away from in connecting rod (23) links to each other with apron (13) of smelting pot (1), smelting pot (1) outside is equipped with the drive assembly that is.
3. The process of smelting an aluminum bar as claimed in claim 2, wherein: the driving assembly comprises a supporting frame (24) and a cylinder (25) fixedly arranged on the supporting frame (24), the bottom end of the supporting frame (24) is fixedly supported on the ground, the cylinder (25) is vertically arranged above the cover plate (13), and one end, far away from the supporting frame (24), of the cylinder (25) is fixedly connected with the cover plate (13).
4. The aluminum bar smelting process of claim 1, wherein: a feeding hole (11) is formed in a cover plate (13) of the smelting furnace (1), a material guide cylinder (12) is arranged at the position of the feeding hole (11), the opening diameter of the material guide cylinder (12) increases progressively from bottom to top, and the bottom end of the material guide cylinder (12) is fixedly connected to the outer side of the cover plate (13) and communicated with the feeding hole (11).
5. The aluminum bar smelting process of claim 1, wherein: the utility model discloses a smelting pot, including smelting pot (1), baffle (41), baffle (42) that smelting pot (1) outside was equipped with guiding gutter (4) in the below of liquid outlet (16), guiding gutter (4) are including accepting board (41) and two along accepting board (41) along length direction setting, one baffle (42) correspond with accept board (41) along one side of length direction extension and be connected, the longitudinal section of accepting board (41) is the arc, just accept board (41) orientation and keep away from the direction undercut of liquid outlet (16), the outside at smelting pot (1) can be dismantled in guiding gutter (4) towards the one end of smelting pot (1) and connect.
6. The process of smelting an aluminum bar as recited in claim 5, wherein: the one end of accepting board (41) and baffle (42) towards smelting pot (1) is contradicted on the lateral wall of smelting pot (1), one side that accepts board (41) and baffle (42) and deviate from liquid outlet (16) all is connected with extension piece (43), extend piece (43) and the laminating of the lateral wall of smelting pot (1), it passes through second screw (431) threaded connection on smelting pot (1) to extend piece (43).
7. The process of smelting an aluminum bar as recited in claim 5, wherein: a cover body (44) is fixedly arranged above the flow guide groove (4), one side of the cover body (44) along the length direction is fixedly welded with one baffle plate (42), and the other side of the cover body (44) along the length direction is fixedly welded with the other baffle plate (42).
8. The aluminum bar smelting process of claim 1, wherein: the lower part of guiding gutter (4) is equipped with first supporting block (45) that is used for supporting guiding gutter (4), first supporting block (45) fixed connection is in the outside of smelting pot (1), one side of first supporting block (45) orientation extension piece (43) is equipped with depressed part (451), extension piece (43) are located the top of depressed part (451).
9. The aluminum bar smelting process of claim 1, wherein: in the aluminum bar processing step, the aluminum bar is cooled by a cooling device (5), the cooling device (5) comprises a cooling chamber (51) and an air cooling mechanism (6) arranged in the cooling chamber (51), a placing table (52) is arranged in the cooling chamber (51), a placing groove (521) for placing the aluminum bar is formed in the placing table (52), the air cooling mechanism (6) comprises a connecting plate (61) and a fan (62) arranged on one side of the connecting plate (61) facing the placing table (52), and the connecting plate (61) is arranged on the inner side wall of the cooling chamber (51) in a sliding mode.
10. The process of smelting an aluminum bar as recited in claim 9, wherein: the longitudinal section of the connecting plate (61) is arc-shaped, a rack (64) is fixedly connected to one side, facing the placing table (52), of the connecting plate (61) along the periphery, a second motor (63) is fixedly arranged on the inner side wall of the cooling chamber (51), a gear (65) is coaxially connected to a rotating shaft of the second motor (63), and the gear (65) is meshed with the rack (64).
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| CN202011058828.4A CN112226628A (en) | 2020-09-30 | 2020-09-30 | Smelting process of aluminum bar |
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| CN202011058828.4A CN112226628A (en) | 2020-09-30 | 2020-09-30 | Smelting process of aluminum bar |
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| CN113355489A (en) * | 2021-06-10 | 2021-09-07 | 山东泰山钢铁集团有限公司 | Method for purifying molten steel impurities by intermediate frequency furnace |
| CN113549716A (en) * | 2021-07-29 | 2021-10-26 | 马亮 | Recycled steel production device |
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