CN205183744U - Aluminum alloy low pressure casting device under steady magnetic field - Google Patents
Aluminum alloy low pressure casting device under steady magnetic field Download PDFInfo
- Publication number
- CN205183744U CN205183744U CN201520947904.5U CN201520947904U CN205183744U CN 205183744 U CN205183744 U CN 205183744U CN 201520947904 U CN201520947904 U CN 201520947904U CN 205183744 U CN205183744 U CN 205183744U
- Authority
- CN
- China
- Prior art keywords
- crucible
- magnetic field
- compression chamber
- alloy melt
- stalk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model discloses an aluminum alloy low pressure casting device under steady magnetic field mainly comprises magnet, casting mould, crucible, stalk, intake pipe, temperature control device and pressurized compartment, utilizes steady magnetic field increase metal melt super -cooled rate, applys magnetic field at low pressure casting process, and increase fuse -element super -cooled rate increases forming core speed, refines and solidifies the tissue. Adopt the utility model discloses when the device is cast, utilizing earlier the alloy raw materials of heating member in with the crucible to melt, applying steady magnetic field to the alloy fuse -element, make the thermal drop of fuse -element set for the temperature between the forming core temperature to this alloy liquidus line and this magnetic field intensity under, the alloy fuse -element is at the supercooled state. Gassing increase pressurized compartment pressure is impressed the subcooling fuse -element rapidly and is cast in the casting mould, obtains the tiny foundry goods tissue of crystalline grain. The utility model discloses the grain refinement who utilizes steady magnetic field to realize the foundry goods tissue has reduced the inclusion, has improved the foundry goods performance, and equipment technology is simple simultaneously, and convenient operation is applicable to the large -scale industry metaplasia and produces.
Description
Technical field
The utility model relates to a kind of metal material coagulation system, particularly relates to a kind of metal material low-pressure casting apparatus, is applied to Alloys Casting technical field.
Background technology
In the industrial production, low-pressure casting method is widely used in the casting process of alloy.The advantage of the method is that raw material availability is high, and casting defect is few, and oxide inclusion is few, and dimensional accuracy is high, and casting rate is convenient to regulate.But the foundry goods obtained by low pressure casting method, its solidified structure is generally made up of the column crystal of outside and the equiax crystal at center, and crystal grain is thicker.The type organizes the performance seriously reducing aluminium alloy strand.
Crystallite dimension has important impact for the mechanical property of metal material.Research shows, intensity and the plasticity of material all improve along with the reduction of crystallite dimension.Therefore, crystal grain thinning is one of important method improving material mechanical performance.At present, the crystal fining method generally used in industrial production comprises interpolation fining agent and mechanical agitation etc.The thinning effect of fining agent is remarkable, but its interpolation can cause environmental pollution, have also been changed alloying component simultaneously, affects the recycling of alloy.Melt Stirring process can increase the contact of metal bath and air, the growing amount of oxide inclusions is increased, contaminated melt.Therefore, for overcoming the defect that conventional low casting method exists, to obtain the tiny cast article of crystal grain, researching and developing a kind of new low-pressure casting apparatus becomes technical barrier urgently to be resolved hurrily.
Utility model content
In order to solve prior art problem, the purpose of this utility model is to overcome the deficiency that prior art exists, and provides aluminum alloy low-pressure casting device under a kind of steady magnetic field, can obtain the alloy structure that crystal grain is tiny.The steady magnetic field that the utility model low-pressure casting apparatus produces can suppress the forming core of alloy melt, increase forming core degree of supercooling, increase forming core speed, thus realize the refinement of cast structure, therefore, utilize the utility model steady magnetic field to obtain the alloy melt with certain degree of supercooling, cast under mistake cool condition, can crystal grain thinning, improve the solidified structure of foundry goods, improve cast properties.
Create object for reaching above-mentioned utility model, the utility model adopts following technical proposals:
Aluminum alloy low-pressure casting device under a kind of steady magnetic field, be made up of casting mold, crucible, heating and attemperating unit, alloy melt injects in crucible, heating and attemperating unit are primarily of calandria and thermocouple composition, calandria heats at the peripheral alloy melt of crucible, the test lead of thermocouple immerses in the alloy melt in crucible and close to crucible bottom, the signal output part of thermocouple is connected with temperature detection controller, the power output of temperature detection controller control calandria; The die cavity opening of casting mold is communicated with the top end opening of stalk, and the bottom end opening of stalk immerses in the alloy melt in crucible, and makes the bottom end opening of stalk close to crucible bottom, and the inner chamber two ends of stalk are communicated with crucible interior with the die cavity of casting mold respectively; Also compression chamber is provided with in crucible outside, the inner chamber of compression chamber keeps sealing, the surface of internal cavity of compression chamber is combined closely withstand voltage insulating sandwich, calandria and crucible are arranged in the inner chamber of compression chamber in the lump, the seal cavity of the ullage in crucible and crucible outside is made to form atmospheric pressure cavity, the wire of calandria and thermocouple are all through pressurization locular wall and insulating sandwich, and crucible is arranged on the corundum interlayer that arranges above the insulating sandwich in compression chamber's inner chamber; Also be provided with the air inlet pipe through pressurization locular wall and insulating sandwich, the bottom end opening of air inlet pipe is immersed in the alloy melt in crucible, and make the bottom end opening of air inlet pipe close to crucible bottom, the top end opening of air inlet pipe is communicated with the air supply opening of blowning installation, to the alloy melt in crucible, inert gas is passed into from air inlet pipe, the atmospheric pressure cavity air pressure of compression chamber is increased, by the alloy melt in crucible by casting in stalk press-in casting mold; Also be provided with kicker magnet in the outside of compression chamber, kicker magnet applies steady magnetic field to the alloy melt in crucible.When adopting this device to cast, first utilize calandria that the alloy material in crucible is fused into alloy melt, apply steady magnetic field by the magnet being arranged on insulating sandwich outside to the melt in crucible.When melt temperature reduces, apply steady magnetic field and the temperature of alloy melt can be made to be down to the design temperature of below liquidus curve, this temperature is lower than the supercooling temperature of melt when not applying magnetic field under equal conditions.Regulate magnetic field intensity can control the degree of supercooling size of melt.Thermocouple is utilized to monitor alloy melt temperature.After obtaining the supercooling temperature that under different magnetic field intensity, alloy melt is corresponding, alloy melt is cooled to the temperature of the setting between liquidus curve with nucleation temperature under corresponding magnetic field intensity, melt is in supercooled state, but does not solidify.Meanwhile, enter inert gas by air inlet pipe, increase the pressure of compression chamber, subcooling films is pressed into rapidly in casting mold, casts, obtain the solidified structure that crystal grain is tiny.Steady magnetic field can suppress metal bath forming core, and increase forming core degree of supercooling, the present invention utilizes this phenomenon, develops low-pressure casting apparatus, to realize the grain refinement of aluminium alloy casting process.
As the preferred technical scheme of the present invention, casting mold is arranged at the top of crucible, and stalk is vertically arranged, and the top of stalk is communicated with the bottom opening of casting mold.
The utility model compared with prior art, has following substantive distinguishing features and advantage:
1. the magnetic field that the utility model device utilizes magnetic field to produce suppresses alloy melt forming core, increase forming core degree of supercooling, and utilize steady magnetic field to control the degree of supercooling of alloy melt, obtain the metal bath of supercooled state, then to crossing cold metal melt casting, realizing the grain refinement of cast article, apply magnetic field and can not introduce other impurity in casting process, is a kind of desirable crystal fining method;
2. the utility model device introduces steady strong magnetic field at low pressure casting process, does not affect existing casting condition and equipment, and equipment is simple, easy to operate, is applicable to large-scale industrial production.
Accompanying drawing explanation
Fig. 1 is the structural representation of aluminum alloy low-pressure casting device under the utility model preferred embodiment steady magnetic field.
Detailed description of the invention
Details are as follows for preferred embodiment of the present utility model:
In the present embodiment, see Fig. 1, aluminum alloy low-pressure casting device under a kind of steady magnetic field, by casting mold 1, crucible 6, heating and attemperating unit composition, alloy melt 11 injects in crucible 6, heating and attemperating unit form primarily of calandria 5 and thermocouple 9, calandria 5 heats at the peripheral alloy melt 11 of crucible 6, the test lead of thermocouple 9 to immerse in the alloy melt 11 in crucible 6 and close to bottom crucible 6, the signal output part of thermocouple 9 is connected with temperature detection controller, temperature detection controller controls the power output of calandria 5, the die cavity opening of casting mold 1 is communicated with the top end opening of stalk 10, the bottom end opening of stalk 10 immerses in the alloy melt 11 in crucible 6, and make the bottom end opening of stalk 10 close to bottom crucible 6, the inner chamber two ends making stalk 10 respectively with die cavity and crucible 6 inner space of casting mold 1, compression chamber 3 is also provided with in crucible 6 outside, the inner chamber of compression chamber 3 keeps sealing, the insulating sandwich 4 that the surface of internal cavity of compression chamber 3 is combined closely withstand voltage, calandria 5 and crucible 6 are arranged in the inner chamber of compression chamber 3 in the lump, the seal cavity of the ullage in crucible 6 and crucible 6 outside is made to form atmospheric pressure cavity, the wire of calandria 5 and thermocouple 9 are all through compression chamber 3 wall and insulating sandwich 4, and crucible 6 is arranged on the corundum interlayer 8 of setting above the insulating sandwich 4 in compression chamber 3 inner chamber, also be provided with the air inlet pipe 2 through compression chamber 3 wall and insulating sandwich 4, the bottom end opening of air inlet pipe 2 is immersed in the alloy melt 11 in crucible 6, and make the bottom end opening of air inlet pipe 2 close to bottom crucible 6, the top end opening of air inlet pipe 2 is communicated with the air supply opening of blowning installation, to the alloy melt 11 in crucible 6, inert gas is passed into from air inlet pipe 2, the atmospheric pressure cavity air pressure of compression chamber 3 is increased, the alloy melt 11 in crucible 6 is pressed in casting mold 1 by stalk 10 and casts, also be provided with kicker magnet 7 in the outside of compression chamber 3, kicker magnet 7 applies steady magnetic field to the alloy melt 11 in crucible 6.
In the present embodiment, see Fig. 1, casting mold 1 is arranged at the top of crucible 6, and stalk 10 is vertically arranged, and the top of stalk 10 is communicated with the bottom opening of casting mold 1.
When using the present embodiment device to cast, first utilize calandria 5 that the alloy melting loaded in crucible 6 is become alloy melt 11, open kicker magnet 7, apply steady magnetic field by the magnet 7 being arranged on insulating sandwich 4 outside to the melt in crucible 6, the alloy melt 11 in crucible 6 is in the steady magnetic field of kicker magnet 7 generation.By the magnetic field intensity regulating kicker magnet 7 to produce, make the temperature of the alloy melt 11 in crucible 6 be down to uniform temperature under liquidus curve and this magnetic field intensity between nucleation temperature, make alloy melt 11 be in supercooled state.Thermocouple 9 is utilized directly to measure the temperature of alloy melt 11, by the degree of supercooling regulating the magnetic field intensity of kicker magnet 7 to control alloy melt 11.After reaching target degree of supercooling, pass into argon gas from air inlet pipe 2 to alloy melt 11, the pressure in compression chamber 3 is increased, the alloy melt 11 being in supercooled state is pressed into rapidly in casting mold 1 by stalk 10 casts, and obtains the cast structure that crystal grain is tiny.The present embodiment utilizes steady magnetic field to increase the principle of metal bath degree of supercooling, applies magnetic field at low pressure casting process, increases melt undercooling degree, increases forming core speed, thinning solidification structure.When the present embodiment adopts this device to cast, first utilize calandria by the melting alloy raw in crucible, alloy melt applies steady magnetic field, and make the temperature of melt drop under this aluminium alloy phase line and this magnetic field intensity design temperature between nucleation temperature, alloy melt is in supercooled state.Be blown into gas and increase compression chamber's pressure, subcooling films is pressed in casting mold rapidly and casts, obtain the cast structure that crystal grain is tiny.The present embodiment utilizes steady magnetic field to achieve the grain refinement of cast structure, decreases field trash, improves cast properties, and apparatus and process is simple simultaneously, easy to operate, is applicable to large-scale industrial production.
By reference to the accompanying drawings the utility model embodiment is illustrated above, but the utility model is not limited to above-described embodiment, the object can also created according to utility model of the present utility model makes multiple change, the change made under all Spirit Essences according to technical solutions of the utility model and principle, modify, substitute, combination, simplify, all should be the substitute mode of equivalence, as long as meet utility model object of the present utility model, the know-why of aluminum alloy low-pressure casting device and utility model design only otherwise under deviating from the utility model steady magnetic field, all belong to protection domain of the present utility model.
Claims (2)
1. aluminum alloy low-pressure casting device under a steady magnetic field, by casting mold (1), crucible (6), heating and attemperating unit composition, alloy melt (11) injects in described crucible (6), described heating and attemperating unit are primarily of calandria (5) and thermocouple (9) composition, described calandria (5) heats the peripheral alloy melt (11) of described crucible (6), the test lead of described thermocouple (9) to immerse in the alloy melt (11) in described crucible (6) and close to bottom described crucible (6), the signal output part of described thermocouple (9) is connected with temperature detection controller, described temperature detection controller controls the power output of described calandria (5), it is characterized in that: the die cavity opening of described casting mold (1) is communicated with the top end opening of stalk (10), the bottom end opening of described stalk (10) immerses in the alloy melt (11) in described crucible (6), and make the bottom end opening of described stalk (10) close to described crucible (6) bottom, the inner chamber two ends making described stalk (10) respectively with die cavity and described crucible (6) inner space of described casting mold (1), compression chamber (3) is also provided with in described crucible (6) outside, the inner chamber of described compression chamber (3) keeps sealing, the insulating sandwich (4) that the surface of internal cavity of described compression chamber (3) is combined closely withstand voltage, calandria (5) and described crucible (6) are arranged in the inner chamber of described compression chamber (3) in the lump, the seal cavity of the ullage in described crucible (6) and described crucible (6) outside is made to form atmospheric pressure cavity, the wire of described calandria (5) and described thermocouple (9) are all through described compression chamber (3) wall and described insulating sandwich (4), described crucible (6) is arranged on the corundum interlayer (8) of insulating sandwich (4) the top setting in described compression chamber (3) inner chamber, also be provided with the air inlet pipe (2) through described compression chamber (3) wall and described insulating sandwich (4), the bottom end opening of described air inlet pipe (2) is immersed in the alloy melt (11) in described crucible (6), and make the bottom end opening of described air inlet pipe (2) close to described crucible (6) bottom, the top end opening of described air inlet pipe (2) is communicated with the air supply opening of blowning installation, to the alloy melt (11) in described crucible (6), inert gas is passed into from described air inlet pipe (2), the atmospheric pressure cavity air pressure of compression chamber (3) is increased, alloy melt (11) in described crucible (6) is pressed in described casting mold (1) by described stalk (10) and casts, also be provided with kicker magnet (7) in the outside of described compression chamber (3), described kicker magnet (7) applies steady magnetic field to the alloy melt (11) in described crucible (6).
2. aluminum alloy low-pressure casting device under steady magnetic field according to claim 1, it is characterized in that: described casting mold (1) is arranged at the top of described crucible (6), described stalk (10) is vertically arranged, and the top of described stalk (10) is communicated with the bottom opening of described casting mold (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947904.5U CN205183744U (en) | 2015-11-25 | 2015-11-25 | Aluminum alloy low pressure casting device under steady magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947904.5U CN205183744U (en) | 2015-11-25 | 2015-11-25 | Aluminum alloy low pressure casting device under steady magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205183744U true CN205183744U (en) | 2016-04-27 |
Family
ID=55776775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520947904.5U Expired - Fee Related CN205183744U (en) | 2015-11-25 | 2015-11-25 | Aluminum alloy low pressure casting device under steady magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205183744U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735104A (en) * | 2016-12-05 | 2017-05-31 | 东北大学 | A kind of spin orientation device under magnetic field |
| CN107042298A (en) * | 2017-04-17 | 2017-08-15 | 涿州新卓立航空精密科技有限公司 | The magnetostatic cause high mold-filling capacity fine grain foundry furnace of high undercooling and application method |
| CN108067604A (en) * | 2017-12-11 | 2018-05-25 | 西北工业大学 | A kind of melt stirring-type Multifunctional reverse gravity casting device and casting method |
| CN109304449A (en) * | 2017-07-27 | 2019-02-05 | 福建省瑞奥麦特轻金属有限责任公司 | A kind of crucible furnace formula compression solidification aluminium alloy smallclothes molding machine |
| RU2746111C1 (en) * | 2019-04-24 | 2021-04-07 | Джингчен Чжао | Shell mold casting chamber, casting furnace, and single-crystal, small-crystal, and non-crystal casting method |
| CN113414375A (en) * | 2021-06-30 | 2021-09-21 | 广西鑫锋新能源科技有限公司 | Electromagnetic low-pressure casting device and method for lead-acid battery grid |
-
2015
- 2015-11-25 CN CN201520947904.5U patent/CN205183744U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735104A (en) * | 2016-12-05 | 2017-05-31 | 东北大学 | A kind of spin orientation device under magnetic field |
| CN106735104B (en) * | 2016-12-05 | 2018-10-23 | 东北大学 | A kind of spin orientation device under magnetic field |
| CN107042298A (en) * | 2017-04-17 | 2017-08-15 | 涿州新卓立航空精密科技有限公司 | The magnetostatic cause high mold-filling capacity fine grain foundry furnace of high undercooling and application method |
| WO2018192181A1 (en) * | 2017-04-17 | 2018-10-25 | 涿州新卓立航空精密科技有限公司 | Fine grain casting furnace employing static magnetic field to realize deep supercooling and high mold filling and usage method thereof |
| CN107042298B (en) * | 2017-04-17 | 2019-03-29 | 涿州新卓立航空精密科技有限公司 | The high mold-filling capacity fine grain foundry furnace of magnetostatic cause high undercooling and application method |
| CN109304449A (en) * | 2017-07-27 | 2019-02-05 | 福建省瑞奥麦特轻金属有限责任公司 | A kind of crucible furnace formula compression solidification aluminium alloy smallclothes molding machine |
| CN108067604A (en) * | 2017-12-11 | 2018-05-25 | 西北工业大学 | A kind of melt stirring-type Multifunctional reverse gravity casting device and casting method |
| RU2746111C1 (en) * | 2019-04-24 | 2021-04-07 | Джингчен Чжао | Shell mold casting chamber, casting furnace, and single-crystal, small-crystal, and non-crystal casting method |
| CN113414375A (en) * | 2021-06-30 | 2021-09-21 | 广西鑫锋新能源科技有限公司 | Electromagnetic low-pressure casting device and method for lead-acid battery grid |
| CN113414375B (en) * | 2021-06-30 | 2023-07-21 | 广西鑫锋新能源科技有限公司 | Electromagnetic low-pressure casting device and method for lead-acid battery grid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205183744U (en) | Aluminum alloy low pressure casting device under steady magnetic field | |
| WO2007139306A1 (en) | Hot chamber die casting apparatus for semi-solid metal alloy and the manufacturing method using the same | |
| CN104264016A (en) | Aluminum-silicon alloy material and preparation method thereof | |
| CN203635889U (en) | Apparatus for continuous production of large-size high-quality aluminum alloy cast ingots | |
| CN103008623A (en) | Method for refining crystal grains by utilizing strong magnetic field and special metal solidification casting device thereof | |
| CN103056331B (en) | With the die casting of ultrasonic probe assembly | |
| CN104722730A (en) | Device and method for continuous preparation of large-size high-quality aluminum alloy cast ingots | |
| CN101791681A (en) | Water-cooling die casting production process of plate blank used for medium plate | |
| CN201042733Y (en) | Gas pressure casting device for aluminum alloy wheel | |
| CN106756254A (en) | A kind of preparation method for obtaining complex precise fine grain casting | |
| WO2016082561A1 (en) | Method for forming amorphous alloy member | |
| CN102941338B (en) | Method and device for controlling cooling speed of core assembling casting | |
| CN105568077A (en) | Aluminum-silicon eutectic alloy rod used for welding and preparation technique of aluminum-silicon eutectic alloy rod | |
| CN202527690U (en) | Solidification system for manufacturing magnesium alloy casting ingot | |
| CN104741559B (en) | Equipment and technical method suitable for 5356 aluminium alloy continuous casting fine forming | |
| CN102974794B (en) | Device and method for reducing superheat degree of molten steel of continuous casting ladle or intermediate ladle | |
| CN106424635A (en) | Vacuum die casting process for aluminum alloy manufacturing | |
| CN108326263B (en) | Alloy casting ultra-strong traveling wave magnetic field continuous treatment directional solidification method | |
| WO2007139308A1 (en) | Hot chamber die casting apparatus for semi-solid magnesium alloy and the manufacturing method using the same | |
| CN116237491A (en) | Die casting method of large complex structural part based on temperature compensation | |
| CN102114530A (en) | Composite pipe blank casting device and continuous casting method | |
| CN102784898B (en) | Local pressurization mechanism and method for producing automobile engine suspension shock insulators by same | |
| CN102350485A (en) | Device and process for repairing shrinkage holes during steel billet casting through intermediate-frequency electric heating | |
| CN202655594U (en) | In-cavity semi-solid forming device | |
| CN202097393U (en) | Oxygen-free piston casting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161125 |