CN106424637B - A kind of bulk amorphous alloy high vacuum die casting former and technique - Google Patents
A kind of bulk amorphous alloy high vacuum die casting former and technique Download PDFInfo
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- CN106424637B CN106424637B CN201611004006.1A CN201611004006A CN106424637B CN 106424637 B CN106424637 B CN 106424637B CN 201611004006 A CN201611004006 A CN 201611004006A CN 106424637 B CN106424637 B CN 106424637B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 31
- 238000004512 die casting Methods 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 51
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 41
- 238000005266 casting Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims description 70
- 230000008018 melting Effects 0.000 claims description 70
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 229910000861 Mg alloy Inorganic materials 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 4
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000011160 research Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- -1 Mg Alloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013526 supercooled liquid Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/26—Mechanisms or devices for locking or opening dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of bulk amorphous alloy high vacuum die casting former and techniques, belong to bulk amorphous alloy forming technique field.The equipment mainly includes high vacuum pressure chamber, high vacuum induction heating system and high vacuum mold system.Present invention is mainly used for the preparation of bulk amorphous alloy component, may be implemented to carry out bulk amorphous alloy component casting and forming under high vacuum or inert gas shielding.High vacuum induction heating system in the present invention carries out the heating fusing of alloy using coaxial electrode, on the one hand heating efficiency is effectively improved, still further aspect and evacuation passageway organically combine, and simplify cavity body structure, obtain it is high vacuumize efficiency, obtain high vacuum degree.The equipment and technique may not only be applied to the casting forming of amorphous alloy material, be also applied for the casting forming of traditional crystalline state die-casting material.
Description
Technical field
The invention belongs to amorphous alloy material forming technique fields, and in particular to a kind of bulk amorphous alloy is high
Evacuated die-casting process former and technique.
Background technique
In recent years, deepening continuously with amorphous alloy research, forms numerous research achievements, for example, developing
A series of alloy systems with excellent amorphous formation ability；The formation of amorphous alloy, melt structure, in terms of
It conducts extensive research.Therefore, the application of amorphous alloy is also receive more and more attention, wherein amorphous alloy
Forming technique for non-crystalline material application play conclusive influence, research institute, university and commercial company etc. all exist
This respect has done many work, develops different amorphous alloy forming techniques, is broadly divided into two classes, one kind be liquid at
Shape technology, another kind of is supercooled liquid region forming technique.Wherein the first kind receives more extensive concern.Based on this, the U.S.
Patent US6021840, US6070643 and Chinese patent CN102527982A report the die casting equipment of amorphous alloy workpiece,
In these technologies, the evacuation passageway and melting coil relative separation of alloy vacuumize opening if necessary to increase, the ruler of cavity
It is very little to necessarily increase, so that the time for obtaining high vacuum lengthens, reduce production efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of bulk amorphous alloy high vacuum die casting former and techniques, using this
Casting and forming equipment carries out the preparation of amorphous alloy components and product, can effectively improve amorphous alloy components and product
Shaping efficiency.
To achieve the above object, the technical scheme is that
A kind of bulk amorphous alloy high vacuum die casting former, the equipment include high vacuum pressure chamber, high vacuum induction
Heating system, high vacuum mold system and vacuum system；Wherein:
High vacuum pressure chamber: including barrel, injection mechanism and injection rod, the injection rod is able to drive injection plunger along barrel
The movement of inner wall direction, the direction of motion and speed of injection rod is controlled by the injection mechanism, between the injection rod and barrel
It is sealed by a seal ring；
High vacuum induction heating system: for the melting and casting of alloy, including melting chamber and heater；The melting
The bottom of chamber opens up cast gate, and cast gate, which is connected with barrel and passes through sealing ring (or bellows), to be connected and sealed；It is described
Melting chamber interior is equipped with melting kettle, and the heater is used for the fusing to alloy in melting kettle, the melting chamber
Top connects feeder；
High vacuum mold system: including cover half, sealing ring, dynamic model, die cavity, cover half evacuation passageway, mold runner and conjunction
Mould die opening mechanism；Molding die opening mechanism is used to control the folding of dynamic model and cover half, interior to form mould after dynamic model and cover half are closed
Chamber, die cavity are connected to by mold runner with barrel realization, and the end seal of the barrel is on cover half；It is opened up in die cavity and cover half
Cover half evacuation passageway be connected, the cover half evacuation passageway is connected by pipeline with vacuum line；Dynamic model and cover half it
Between pass through sealing ring realize sealing；
Vacuum system: the vacuum system is used to carry out vacuumize process to melting chamber and die cavity, passes through vacuum line
Access melting chamber；Gas cylinder is also connected by gas ducting on the vacuum line of the vacuum system, is arranged on gas ducting and fills
Air valve enables the casting and forming equipment to work under vacuum or inert atmosphere protection according to actual needs.
The equipment is additionally provided with coaxial electrical pole bar, and coaxial electrical pole bar is connected with heater, is fixed on together by motor driven
Rotating disk on axial electrode bar, angle needed for enabling heater that melting kettle is driven to rotate to casting, makes in melting kettle
Alloy melt enter in barrel via cast gate.
The heater is set on the outside of melting kettle using induction coil or resistance wire and is heated to it, the melting
Crucible is quartz, aluminum oxide, calcium oxide or boron nitride material.
It is additionally provided on the melting chamber and is closed for measuring the infrared radiation thermometer of aluminium alloy temperature and monitoring in melting kettle
The camera of golden molten state.
The equipment is additionally provided with control panel, for the folding control to dynamic model and cover half, and to the temperature of heater
The motion control of control and injection rod.
The technique for carrying out the forming of bulk amorphous alloy high vacuum die casting using the equipment, comprising the following steps:
(1) it is formed and is tightly connected by sealing ring between fixed half and moving half, cover half evacuation passageway passes through pipeline and vacuum
Pipeline is connected, and obtains closed die cavity；
(2) alloy material of required quality is sent in melting kettle by feeder；
(3) after former, which is realized, to be sealed, vacuum is extracted by vacuum system, so that die cavity, barrel and melting chamber
Vacuum degree needed for inside all obtaining；When needing to be worked under vacuum conditions, directly progress step (4), when needs are in inertia
When being worked under atmosphere protection, charge valve is opened, is inflated, is filled with the protective atmosphere of required pressure；
(4) by heater by melting kettle alloy material melt, using motor drive rotating disk, coaxial electrical pole bar,
Melting kettle and heater are overturn together, and the alloy melt in melting kettle is poured into barrel by cast gate, subsequent injection rod
Alloy melt is squeezed into die cavity by injection plunger with setting speed and loading force；
(5) alloy melt filled in die cavity type finish it is cooling after, be filled with by pipeline and vacuum line flat with ambient pressure
The gas of weighing apparatus, opens die cavity, and the casting and forming process of entire workpiece finishes；
(6) restart next process.
In the technique, when work under vacuum, vacuum degree 10-3Pa-10-2Pa。
In the technique, when work under inert atmosphere protection, protective gas pressure is 100Pa.
The technique is non-for Zr base noncrystal alloy, Ti base noncrystal alloy, Fe base noncrystal alloy, Ni base noncrystal alloy, Al base
The processing of the casting forming of peritectic alloy, Mg base noncrystal alloy or Cu base noncrystal alloy material and its component, is also applied for Al alloy, Mg
Alloy, Zn alloy, Cu alloy or the crystalline state die-casting material of Ti alloy and its casting forming of component are processed.
The principle of the invention is as follows:
Present invention is mainly used for the preparation of amorphous alloy components and product preparations, may be implemented in vacuum and inert atmosphere
Protection is lower to carry out amorphous alloy component casting and forming.The present invention carries out smelting electrode, melting chamber and vacuum system effective
It improves and combines, so that the structure of equipment greatly simplifies, heating system carries out the heating fusing of alloy, a side using coaxial electrode
Face effectively improves heating efficiency, and still further aspect and evacuation passageway organically combine, simplify cavity body structure, obtain high pumping
Vacuum efficiency obtains high vacuum degree, improves production efficiency, reduces production cost.
The invention has the following advantages that
1, the heating fusing for carrying out alloy in the present invention using coaxial electrode, improves heating efficiency.
2, cavity body structure is simplified, the extraction rate of vacuum is improved.
3, production energy consumption is reduced, production efficiency is improved, to reduce production cost.
4, the device structure is simple, and manufacture and maintenance cost are very low, can be realized continuous automatic production.
Detailed description of the invention
Fig. 1 is casting and forming device structure schematic diagram of the present invention.
Fig. 2 is coaxial electrode structure schematic top plan view.
Wherein: 1- die casting machine, 2- injection plunger, 3- injection rod, 4- injection mechanism, 5- vacuum pump set, 6- vacuum line, 7- give
It is true to expect that mechanism, 8- infrared radiation thermometer, 9- camera, 10- control panel, 11- cover half, 12- die cavity, 13- pipeline, 14- cover half are taken out
Empty channel, 15- sealing ring, 16- dynamic model, 17- molding die opening mechanism, 18- mold runner, 19- barrel, 20- heater, 21- are molten
Refine crucible, 22- cast gate, 23- melting chamber 24- gas ducting, 25- charge valve, 26- gas cylinder, 27- shut-off valve, 28- induced electricity
Source, 29- coaxial electrical pole bar, 30- rotating disk, 31- motor.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail it should be appreciated that protection scope of the present invention is not had
The limitation of body embodiment.
As shown in Figs. 1-2, casting and forming equipment of the present invention includes high vacuum pressure chamber, high vacuum induction heating system, Gao Zhen
Empty mold system and vacuum system, in which:
High vacuum pressure chamber: including barrel 19, injection mechanism 4 and injection rod 3；The upper opening of the barrel 19 is used for alloy
The entrance of melt, one end of barrel and injection rod 3 are tightly connected, and the other end of barrel protrudes into mold and is connected with membrane cavity.
Injection plunger 2 is installed on the top of the injection rod 3, and injection rod 3 is able to drive injection plunger 2 and moves along 19 inner wall direction of barrel, is pressed
It penetrates between bar 3 and barrel 19 and is sealed by a seal ring, make injection rod that can guarantee the vacuum of pressure chamber not during the motion
Leakage；The direction of motion and speed of injection rod 3 are controlled by the injection mechanism 4.
High vacuum induction heating system: for the melting and casting of alloy, including melting chamber 23 and heater 20；It is described
The bottom of melting chamber opens up cast gate 22, and cast gate 22 is connected with barrel 19 and is sealed by sealing ring (or bellows)
Connection；Melting kettle 21 is equipped with inside melting chamber 23, the heater 20 is melted for the fusing to alloy in melting kettle 21
The top for refining chamber 23 connects feeding mechanism 7.After alloy forms melt in crucible, pass through alloy melt by the overturning of crucible
Cast gate is poured into barrel, which is realized by coaxial electrical pole bar, rotating disk and heater etc.；As shown in Fig. 2, coaxial electrode
Bar is connected with heater 20, and rotating disk 30 is fixed in coaxial electrical pole bar 29, is fixed on coaxial electrical pole bar by the driving of motor 31
Rotating disk 30 on 29 rotates by a certain angle, further such that heater 20 drives melting kettle 21 that can rotate to needed for casting
Angle enters the alloy melt in melting kettle 21 in barrel via cast gate 22.
The heater 20 heats melting kettle 21 using induction coil or resistance wire and by induction power supply 28,
The melting kettle 21 is quartz, aluminum oxide, calcium oxide or boron nitride material, and the heater 20 is set to melting kettle
Outside 21.The infrared radiation thermometer 8 for measuring aluminium alloy temperature in melting kettle 21 and monitoring are additionally provided on the melting chamber 23
The camera 9 of alloy melting state.
High vacuum mold system: including cover half 11, sealing ring 15, dynamic model 16, die cavity 12, cover half evacuation passageway 14, mould
Have running channel 18 and molding die opening mechanism 17.Molding die opening mechanism 17 is used to control dynamic model 16 and the folding of cover half 11 (passes through control
The folding of dynamic model and cover half is realized in the movement of dynamic model), after dynamic model 16 and cover half 11 are closed, in form die cavity 12, die cavity 12 is logical
It crosses mold runner 18 and barrel 19 and realizes connection (membrane cavity while being also connected with melting chamber), die cavity 12 vacuumizes logical with cover half
Road 14 is connected, and cover half evacuation passageway 14 is connected by pipeline 13 with vacuum line 6；By close between dynamic model 16 and cover half 11
Sealing is realized in seal 15.
Vacuum system: the vacuum system is used to pass through vacuum line 6 to 12 vacuumize process of melting chamber 23 and die cavity
Melting chamber 23 is accessed, vacuum line 6 is equipped with shut-off valve 27；Also pass through gas tube on the vacuum line 6 of the vacuum system
Road 24 connects gas cylinder 26, and charge valve 25 is arranged on gas ducting 24, enable the casting and forming equipment according to actual needs
It works under vacuum or inert atmosphere protection.The vacuum system includes vacuum pump set 5, and vacuum pump set 5 includes machinery
The vacuum instruments such as pump, diffusion pump (or the high-vacuum installations such as molecular pump).True pipeline 6 divides for two-way in the system, connects all the way
Die cavity connects melting chamber all the way, in conjunction with the channel that melting chamber is connected and coaxial electrode structure, simplifies cavity body structure, increases
Big vacuum passage bore.It is connected between chamber and barrel by seal for pipe joints, realization vacuumizes barrel.
The casting and forming equipment is additionally provided with control panel 10, for dynamic model 16 and cover half 11 folding control, to adding
The motion control of the temperature control and injection rod 3 of hot device 20.
Amorphous alloy component cast shaping process is carried out using above equipment, comprising the following steps:
(1) it is formed and is tightly connected by sealing ring 15 between cover half 11 and dynamic model 16, cover half evacuation passageway 14 passes through pipe
Road 13 is connected with vacuum line 6, obtains closed die cavity 12；
(2) alloy material of certain mass is sent to melting kettle 21 by feeder 7；
(3) after mold, which is realized, to be sealed, vacuum is extracted by vacuum pump set 5 and vacuum line 6, so that die cavity 12, barrel
19 and melting chamber 23 in all obtain needed for vacuum degree；When needing to be worked under vacuum conditions, step is directly carried out
(4), when needing to be worked under inert atmosphere (one kind or mixed gas of argon gas, nitrogen) protection, charge valve is opened
25, it is inflated, is filled with the protective atmosphere of required pressure；
(4) alloy material in melting kettle 21 is melted by heater 20, using the drive rotating disk 30 of motor 31 and together
Axial electrode bar 29 acts, and overturns melting kettle 21 and heater 20 together, by the alloy melt in melting kettle 21 by pouring
Mouth 22 pours into barrel 19, and subsequent injection rod 3 passes through injection plunger 2 with certain speed and loading force to the left and alloy melt is squeezed into mould
In chamber 12.
(5) alloy melt filled in die cavity 12 type finish it is cooling after, be filled with by pipeline 13 and vacuum line 6 and pressed with extraneous
The gas of dynamic balance, opens die cavity, and the casting and forming process of entire workpiece finishes；
(6) restart next process.
Wherein, the sequence of step 1) and step 2) can exchange.
In above-mentioned cast shaping process, when work under vacuum, vacuum degree 10-2Pa。
In above-mentioned cast shaping process, when work under inert atmosphere protection, protective gas pressure is between the left side 100Pa
It is right.
Claims (8)
1. a kind of bulk amorphous alloy high vacuum die casting former, it is characterised in that: the equipment includes high vacuum pressure chamber, height
Vacuum induction heating system, high vacuum mold system and vacuum system；Wherein:
High vacuum pressure chamber: including barrel (19), injection mechanism (4) and injection rod (3), the injection rod (3) can be along barrel
(19) inner wall direction moves, and passes through the direction of motion and speed of the injection mechanism (4) control injection rod (3), the injection rod
(3) it is sealed by a seal ring between barrel (19)；
High vacuum induction heating system: for the melting and casting of alloy, including melting chamber (23) and heater (20)；It is described
The bottom of melting chamber opens up cast gate (22), and cast gate (22) is connected with barrel (19) and is carried out by sealing ring or bellows close
Envelope connection；Melting kettle (21) are equipped with inside the melting chamber (23), the heater (20) is used for melting kettle (21)
The top of the fusing of interior alloy, the melting chamber (23) connects feeder (7)；
High vacuum mold system: including cover half (11), sealing ring (15), dynamic model (16), die cavity (12), cover half evacuation passageway
(14), mold runner (18) and molding die opening mechanism (17)；Molding die opening mechanism (17) is for controlling dynamic model (16) and cover half
(11) after folding, dynamic model (16) and cover half (11) closure, interior to form die cavity (12), die cavity (12) passes through mold runner (18)
It realizes and is connected to barrel (19), the end seal of the barrel (19) is on cover half (11)；It is opened in die cavity (12) and cover half (11)
If cover half evacuation passageway (14) be connected, the cover half evacuation passageway (14) passes through pipeline (13) and vacuum line (6)
It is connected；Sealing is realized by sealing ring (15) between dynamic model (16) and cover half (11)；
Vacuum system: the vacuum system is used to carry out vacuumize process to melting chamber (23) and die cavity (12), passes through vacuum
Pipeline (6) accesses melting chamber (23)；Gas cylinder also is connected by gas ducting (24) on the vacuum line (6) of the vacuum system
(26), charge valve (25) are set on gas ducting (24), enable the casting forming equipment according to actual needs in vacuum
Or it works under inert atmosphere protection；
The equipment is additionally provided with coaxial electrical pole bar, and coaxial electrical pole bar is connected with heater (20), is driven and is fixed by motor (31)
In the rotating disk (30) on coaxial electrical pole bar (29), so that heater (20) drives melting kettle (21) can rotate to casting institute
Angle is needed, enters the alloy melt in melting kettle (21) in barrel via cast gate (22)；Vacuum in the vacuum system
Pipeline (6) is divided into two-way, connects die cavity all the way, connects melting chamber, the channel being connected with melting chamber and coaxial electrode all the way
Bar combines, and simplifies cavity body structure, increases vacuum passage bore.
2. bulk amorphous alloy high vacuum die casting former according to claim 1, it is characterised in that: the heating
Device (20) is set on the outside of melting kettle (21) using induction coil or resistance wire and is heated to it, the melting kettle (21)
For quartz, aluminum oxide, calcium oxide or boron nitride material.
3. bulk amorphous alloy high vacuum die casting former according to claim 1, it is characterised in that: the melting
The infrared radiation thermometer (8) and monitoring alloy melting for measuring aluminium alloy temperature in melting kettle (21) are additionally provided on chamber (23)
The camera (9) of state.
4. bulk amorphous alloy high vacuum die casting former according to claim 1, it is characterised in that: the equipment
Control panel (10) are additionally provided with, for the folding control to dynamic model (16) and cover half (11), and the temperature to heater (20)
The motion control of control and injection rod (3).
5. the technique for carrying out the forming of bulk amorphous alloy high vacuum die casting using equipment described in claim 1, it is characterised in that:
The technique the following steps are included:
(1) it is formed and is tightly connected by sealing ring (15) between cover half (11) and dynamic model (16), cover half evacuation passageway (14) is logical
Piping (13) is connected with vacuum line (6), obtains closed die cavity (12)；
(2) alloy material of required quality is sent in melting kettle (21) by feeder (7)；
(3) after former, which is realized, to be sealed, vacuum is extracted by vacuum system, so that die cavity (12), barrel (19) and melting
Vacuum degree needed for all being obtained in chamber (23)；When needing to be worked under vacuum conditions, directly progress step (4), when need
When being worked under inert atmosphere protection, opens charge valve (25), be inflated, be filled with the protective atmosphere of required pressure；
(4) by heater (20) by melting kettle (21) alloy material melt, using motor (31) drive rotating disk (30),
Coaxial electrical pole bar (29), melting kettle (21) and heater (20) are overturn together, and the alloy melt in melting kettle (21) is logical
It crosses cast gate (22) to pour into barrel (19), subsequent injection rod (3) is melted alloy by injection plunger (2) with setting speed and loading force
Body is squeezed into die cavity (12)；
(5) alloy melt filled in die cavity (12) type finish it is cooling after, be filled with and the external world by pipeline (13) and vacuum line (6)
Pressure balanced gas, opens die cavity, and the casting and forming process of entire workpiece finishes；
(6) restart next process.
6. the technique of bulk amorphous alloy high vacuum die casting forming according to claim 5, it is characterised in that: the technique
In, when work under vacuum, vacuum degree 10-3Pa-10-2Pa。
7. the technique of bulk amorphous alloy high vacuum die casting forming according to claim 5, it is characterised in that: the technique
In, when work under inert atmosphere protection, protective gas pressure is 100Pa.
8. the technique of bulk amorphous alloy high vacuum die casting forming according to claim 5, it is characterised in that: the technique
For Zr base noncrystal alloy, Ti base noncrystal alloy, Fe base noncrystal alloy, Ni base noncrystal alloy, Al base noncrystal alloy, Mg base amorphous
The processing of the casting forming of alloy or Cu base noncrystal alloy material and its component, is also applied for Al alloy, Mg alloy, Zn alloy, Cu
The casting forming of the crystalline state die-casting material and its component of alloy or Ti alloy is processed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004006.1A CN106424637B (en) | 2016-11-15 | 2016-11-15 | A kind of bulk amorphous alloy high vacuum die casting former and technique |
| PCT/CN2017/108544 WO2018090819A1 (en) | 2016-11-15 | 2017-10-31 | Equipment and process for bulk amorphous alloy high-vacuum die-casting and forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004006.1A CN106424637B (en) | 2016-11-15 | 2016-11-15 | A kind of bulk amorphous alloy high vacuum die casting former and technique |
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| Publication Number | Publication Date |
|---|---|
| CN106424637A CN106424637A (en) | 2017-02-22 |
| CN106424637B true CN106424637B (en) | 2019-03-05 |
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| WO (1) | WO2018090819A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106424637B (en) * | 2016-11-15 | 2019-03-05 | 中国科学院金属研究所 | A kind of bulk amorphous alloy high vacuum die casting former and technique |
| CN108097910B (en) * | 2018-01-31 | 2024-03-15 | 宁波海天金属成型设备有限公司 | Vacuum supply device of die casting machine |
| CN108311658A (en) * | 2018-02-08 | 2018-07-24 | 山东弗泽瑞金属科技有限公司 | Vacuum low speed pressure casting method |
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