CN109530702A - A kind of amorphous alloy mobile phone center molding machine and its forming method - Google Patents
A kind of amorphous alloy mobile phone center molding machine and its forming method Download PDFInfo
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- CN109530702A CN109530702A CN201811365300.4A CN201811365300A CN109530702A CN 109530702 A CN109530702 A CN 109530702A CN 201811365300 A CN201811365300 A CN 201811365300A CN 109530702 A CN109530702 A CN 109530702A
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000465 moulding Methods 0.000 title claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 62
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 13
- 206010037660 Pyrexia Diseases 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 239000002196 Pyroceram Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 239000010949 copper Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to a kind of amorphous alloy mobile phone center molding machine and its forming methods, including cabinet, cylinder, feed mechanism and shaping mechanism, and cylinder is equipped at the top of the cabinet, and the feed mechanism is located in cabinet, and are driven and gone up and down by cylinder；The spray to cast connector connecting with spray to cast pressure system is provided in the side of the cabinet, the other side is provided with the vacuum connection port connecting with vacuum system, and the shaping mechanism is height-adjustable to be mounted in cabinet, and is located at the bottom of feed mechanism.The invention has the advantages that the stable amorphous alloy mobile phone center product of mass can be formed, and it is easy to operate, equipment cost is relatively low；Large scale amorphous product is obtained using copper mold spray to cast method and has been realized, industry progress is pushed.
Description
Technical field
The present invention relates to a kind of amorphous alloy mobile phone center molding machine and its forming methods, are applicable in amorphous alloy large scale
Formed product field.
Background technique
In the coming epoch in 5G epoch, traditional metal hand casing because of signal shielding problem, gradually by ceramics, glass,
Plastic composite etc. replaces mobile phone aerial signal without material is influenced.A trend of industry is at present: glass+metal hand
A kind of structure of machine center+(ceramics, glass, plastics), traditional aluminium alloy center and stainless steel center there are intensity low, easy mill
The disadvantages of damaging, be not corrosion-resistant.
Amorphous alloy have intensity height, hardness height, good toughness, wear-resisting, corrosion-resistant etc. performance, be develop in recent years it is fast
One of the new metallic material of speed.Therefore in 3C Product using upper more and more extensive.It can using amorphous alloy production mobile phone center
To obtain high-intensitive (being greater than 1800MPa), ultrahigh hardness (HV600 or more), scratch-resistant, more superior corrosion resistance (than passing
The steel of system wants high 5 magnitudes or more), traditional aluminium alloy and stainless steel material can be substituted well.
Amorphous alloy be by heating melting after, be exceedingly fast cooling rate (the general > 102-103 DEG C of cooling velocity/
Sec) be cooled to alloy solution the glass transition temperature of amorphous phase to obtain.Using traditional copper mold spray to cast method be by
Amorphous alloy quick spray to cast after being melted under vacuumizing or rushing protection gas shielded environment by electromagnetic induction heating in crucible
Amorphous alloy product is obtained to the intracavitary rapid cooling of copper mold type.Advantage is equipment, easy to operate, low manufacture cost.For amorphous
An important factor for alloy formation is exactly to be cooled to amorphous phase in the extremely short time；And product, which is full of, to be guaranteed for mold injection moulding
Entire type chamber will guarantee that material has enough flowing fillibilities (to guarantee that material is in molten as far as possible during filling
State, it is necessary to allow material to be in high temperature in the filling process as far as possible, cooling is slow)；It is exactly a contradiction state between the two.
So that traditional copper mold spray to cast is fine for small size or small-size product forming ability, but for large scale (such as mobile phone center)
Forming ability has the disadvantages that 1. fillings are discontented with regard to very poor at present；2. being easy to appear stomata or sand holes.
Summary of the invention
To overcome the shortcomings of existing technologies, the present invention provides a kind of amorphous alloy mobile phone center molding machine and its molding side
Method, the technical scheme is that
A kind of amorphous alloy mobile phone center molding machine, including cabinet, cylinder, feed mechanism and shaping mechanism, described
Cylinder is installed, the feed mechanism is located in cabinet, and drives and go up and down by cylinder at the top of cabinet；The one of the cabinet
Side is provided with the spray to cast connector connecting with spray to cast pressure system, and the other side is provided with the bonding in vacuum connecting with vacuum system
Mouthful, the shaping mechanism is height-adjustable to be mounted in cabinet, and is located at the bottom of feed mechanism.
The feed mechanism include crucible mounting rack, silica crucible, crucible clamp, induction coil and fever power supply,
Crucible mounting rack is installed on the piston rod of the cylinder, uniformly installed along the circumferential direction of crucible mounting rack by screw there are four
Crucible clamp is equipped with a silica crucible in each crucible clamp, in the silica crucible close to each silica crucible discharge outlet
Outer wall be wound with induction coil, be provided with the connector to link together with induction coil on the fever power supply；It is each
Silica crucible passes through a connection hose and is connected to spray to cast connector.
The first high-temperature seal ring and the second high-temperature seal ring are installed before the crucible clamp and silica crucible, it should
Second high-temperature seal ring is located at the lower part of the first high-temperature seal ring.
The shaping mechanism includes upper die and lower die and pedestal, and one end of adjusting screw rod is connect after penetrating cabinet with pedestal
Together, the adjusting screw rod is vertically arranged with pedestal, which carries out height adjustment by adjusting screw rod；In the pedestal
On be sequentially installed with upper die and lower die, demoulding mechanism is installed in the upper mold, the upper surface of the upper mold offers and stone
The one-to-one feed inlet of English crucible discharge port, the upper mold and the lower die place of docking formed air discharge duct and with four feed inlets
The middle frame-type chamber of connection, the external port of the air discharge duct are communicated with cabinet inside vacuum environment, and inner port and middle frame-type chamber connect
It is logical.
One layer of pyroceram fibre cloth of equal laying at each feed inlet, the pyroceram fibre cloth with it is upper
High-temperature resistant seal ring is installed between mould.
The demoulding mechanism be four, the periphery along upper mold is evenly arranged, each demoulding mechanism include demoulding sliding block,
Ejector spring and guide rod offer the groove for accommodating demoulding sliding block, the installation of the demoulding sliding block sliding in the upper mold
In groove, lower part is supported by lower die, while the demoulding sliding block is installed in the guiding of the guide rod in upper mold；The ejector spring set
On guide rod, one end is withstood on demoulding sliding block, and the other end is withstood on cope plate, the corresponding lock screw of each demoulding sliding block, institute
After the lock screw stated is penetrated from the outer wall of upper mold, with the dynamic cooperation of the demoulding sliding block.
A kind of amorphous alloy mobile phone center forming method, comprising the following steps:
S1, it raw material is divided into four points is respectively charged into four silica crucibles；
S2, upper die and lower die are placed on pedestal, the feed inlet on alignment silica crucible discharge port and upper mold passes through tune
It saves screw rod and adjusts height, start cylinder, cylinder decline, it is ensured that after silica crucible discharge port is aligned and seals with feed inlet, by gas
Cylinder rises；
S3, starting evacuation vacuumize, and reach 10 to vacuum values-4When MPa, starting fever power supply, by induction coil
Electrified regulation raw material, heating power are 30-40KW, frequency 50-100HZ；
S4, after raw material reach requirement temperature, starting spray to cast system carry out spray to cast, 4 points simultaneously spray to cast；Spray to cast pressure
For 0.5-0.8MP, gas is argon gas, and the spray to cast time is 1-2S, closes fever power supply after the completion and closes pumped vacuum systems；
S5, the airtight valve opened on cabinet introduce air into cabinet, after external and internal pressure is consistent, open the hatch door of cabinet,
Move out upper die and lower die；
S6, first the lock screw of upper mold unscrewed, makes to demould sliding block and carries out de- upper mold under the action of ejector spring, then taken
After lower upper mold, product is taken out.
The invention has the advantages that the stable amorphous alloy mobile phone center product of mass can be formed, and easy to operate,
Equipment cost is relatively low；Large scale amorphous product is obtained using copper mold spray to cast method and has been realized, industry progress is pushed.
Simultaneously: 1. using 4 points while spray to cast technique: since the formative factor and mold of amorphous alloy form packed factor
It is a conflicting process, therefore under the premise of guaranteeing to form amorphous characteristic, is sprayed simultaneously using 4 points (four crucibles)
Casting improves inlet amount, reduces spray to cast filling time.
2. using novel mould structure, the solution flow path intracavitary in type when reducing spray to cast improves mold-filling capacity, adopts
It is directly fed simultaneously with 4 points.
3. using spray to cast-suction casting while technique: during spray to cast, protective gas (argon gas) formation has been filled inside crucible
Positive pressure, while mold is in the subnormal ambient of vacuum, when crucible drops at feed inlet through ceramic fiber cloth (heat-insulated)+height
Warm sealing ring (sealing) is sealed, and forms pressure in crucible in spray to cast, the state that die venting mouth is inhaled, can be improved and fill type energy
Power, and it is bad to eliminate stomata, sand holes.
Detailed description of the invention
Fig. 1 is agent structure schematic diagram of the invention.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is the structural schematic diagram of demoulding mechanism in Fig. 1.
Fig. 4 is the cross-sectional view of Fig. 3.
Specific embodiment
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But examples are merely exemplary for these, and it is not intended to limit the scope of the present invention in any way.Those skilled in the art
Member it should be understood that without departing from the spirit and scope of the invention can details to technical solution of the present invention and form into
Row modifications or substitutions, but these modifications and replacement are fallen within the protection scope of the present invention.
Referring to Fig. 1 to Fig. 4, the present invention relates to a kind of amorphous alloy mobile phone center molding machine, including cabinet 1, cylinder 2,
Feed mechanism 3 and shaping mechanism 6 are equipped with cylinder 2 at the top of the cabinet 1, and the feed mechanism 3 is located in cabinet 1,
And pass through the driving lifting of cylinder 2；The spray to cast connector 4 connecting with spray to cast pressure system is provided in the side of the cabinet 1, it is another
Side is provided with the vacuum connection port 7 connecting with vacuum system, and the shaping mechanism 6 is height-adjustable to be mounted in cabinet 1,
And it is located at the bottom of feed mechanism 3.
The feed mechanism includes crucible mounting rack 31, silica crucible 32, crucible clamp 35, induction coil 5 and fever
Power supply is equipped with crucible mounting rack 31 on the piston rod of the cylinder 2, and the circumferential direction along crucible mounting rack 31 is uniform by screw
Installation there are four crucible clamp 35, a silica crucible 32 is installed in each crucible clamp 35, close to each silica crucible
The outer wall of the silica crucible 32 of discharge outlet is wound with induction coil 5 (four silica crucibles pass through an induction coil winding),
The connector to link together with induction coil 5 is provided on the fever power supply；Each silica crucible 32 connects by one
Hose is connect to be connected to spray to cast connector.
First high-temperature seal ring 33 and the second high-temperature seal ring are installed before the crucible clamp and silica crucible
34, which is located at the lower part of the first high-temperature seal ring.
The shaping mechanism includes upper mold 61, lower die 62 and pedestal 67, one end of adjusting screw rod 68 penetrate after cabinet 1 with
Pedestal 67 links together, and the adjusting screw rod 68 is vertically arranged with pedestal 67, which carries out height by adjusting screw rod 68
Degree is adjusted；It is sequentially installed with upper mold 61 and lower die 62 on the pedestal, demoulding mechanism is installed in the upper mold 61,
The upper surface of the upper mold 61 offers and the one-to-one feed inlet 63 of silica crucible discharge port, the upper mold 61 and lower die 62
The middle frame-type chamber for forming air discharge duct at docking and being connected to four feed inlets, the external port and cabinet inside of the air discharge duct
Vacuum environment communicates, and inner port is connected to middle frame-type chamber, and air discharge duct is for middle frame-type chamber and upper mold and lower die external environment
Connection keeps external and internal pressure consistent, and the air discharge duct is communicated with cabinet inside vacuum environment, the air discharge duct and middle frame-type
Chamber connection.
One layer of pyroceram fibre cloth 64 of equal laying at each feed inlet, the pyroceram fibre cloth with
High-temperature resistant seal ring 65 is installed between upper mold.
The demoulding mechanism is four, and the periphery along upper mold is evenly arranged, and each demoulding mechanism includes demoulding sliding block
69, ejector spring 9 and guide rod 8, the groove for accommodating demoulding sliding block 69 is offered in the upper mold 61, and the demoulding sliding block is sliding
Dynamic is mounted in groove, and lower part is supported by lower die 62, while the demoulding sliding block is installed in the guiding of the guide rod 8 in upper mold；Institute
9 sets of ejector spring are stated on guide rod, one end is withstood on demoulding sliding block 69, and the other end is withstood on cope plate 61, each demoulding sliding block
A 69 corresponding locking screws 8, after the lock screw 8 is penetrated from the outer wall of upper mold, with the dynamic cooperation of the demoulding sliding block 69.
The invention further relates to a kind of amorphous alloy mobile phone center forming methods, comprising the following steps:
S1, it raw material is divided into four points is respectively charged into four silica crucibles；
S2, upper die and lower die are placed on pedestal, the feed inlet on alignment silica crucible discharge port and upper mold passes through tune
It saves screw rod and adjusts height, start cylinder, cylinder decline, it is ensured that after silica crucible discharge port is aligned and seals with feed inlet, by gas
Cylinder rises；
S3, starting evacuation vacuumize, and reach 10 to vacuum values-4When MPa, starting fever power supply, by induction coil
Electrified regulation raw material, heating power are 30-40KW, frequency 50-100HZ；
S4, after raw material reach requirement temperature, starting spray to cast system carry out spray to cast, 4 points simultaneously spray to cast；Spray to cast pressure
For 0.5-0.8MP, gas is argon gas, and the spray to cast time is 1-2S, closes fever power supply after the completion and closes pumped vacuum systems；
S5, the airtight valve opened on cabinet introduce air into cabinet, after external and internal pressure is consistent, open the hatch door of cabinet,
Move out upper die and lower die；
S6, first the lock screw of upper mold unscrewed, makes to demould sliding block and carries out de- upper mold under the action of ejector spring, then taken
After lower upper mold, product is taken out.
Embodiment 1:
According to aforesaid operations step spray to cast 100pcs, the zirconium-base amorphous alloy hand of length and width a height of 142*67*7mm, wall thickness 2mm
Machine center.Machined parameters: vacuum values 10-4MPa, heating power 30KW, power frequency 100HZ, spray to cast pressure are 0.6MP
(argon gas), spray to cast time are 1.5S.It is 99% according to the product qualification rate that the present embodiment technique obtains.
Embodiment 2:
According to the zirconium-base amorphous alloy hand of aforesaid operations step spray to cast 100pcs length and width a height of 140*65*6mm, wall thickness 3mm
Machine center.Machined parameters: vacuum values 10-4MPa, heating power 40KW, power frequency 50HZ, spray to cast pressure are 0.5MP
(argon gas), spray to cast time are 2S.
It is 97% according to the product qualification rate that the present embodiment technique obtains.
Embodiment 3:
According to aforesaid operations step spray to cast 100pcs, the zirconium-base amorphous conjunction of length and width a height of 144*68*6.5mm, wall thickness 1.8mm
Golden mobile phone center.Machined parameters: vacuum values 10-4MPa, heating power 35KW, power frequency 70HZ, spray to cast pressure are
0.8MP (argon gas), spray to cast time are 1S.It is 98% according to the product qualification rate that the present embodiment technique obtains.
Claims (7)
1. a kind of amorphous alloy mobile phone center molding machine, which is characterized in that including cabinet, cylinder, feed mechanism and molding machine
Structure is equipped with cylinder at the top of the cabinet, and the feed mechanism is located in cabinet, and is driven and gone up and down by cylinder；?
The side of the cabinet is provided with the spray to cast connector connecting with spray to cast pressure system, and the other side is provided with to be connect with vacuum system
Vacuum connection port, the shaping mechanism is height-adjustable to be mounted in cabinet, and is located at the bottom of feed mechanism.
2. a kind of amorphous alloy mobile phone center molding machine according to claim 1, which is characterized in that the feeder
Structure includes crucible mounting rack, silica crucible, crucible clamp, induction coil and fever power supply, is pacified on the piston rod of the cylinder
Equipped with crucible mounting rack, along crucible mounting rack circumferential direction by screw uniformly install there are four crucible clamp, each crucible tongs
One silica crucible is installed in tool, is wound with the line of induction in the outer wall of the silica crucible close to each silica crucible discharge outlet
It encloses, is provided with the connector to link together with induction coil on the fever power supply；Each silica crucible passes through a company
Hose is connect to be connected to spray to cast connector.
3. a kind of amorphous alloy mobile phone center molding machine according to claim 2, which is characterized in that in the crucible
The first high-temperature seal ring and the second high-temperature seal ring are installed before fixture and silica crucible, which is located at the
The lower part of one high-temperature seal ring.
4. a kind of amorphous alloy mobile phone center molding machine according to claim 1 or 2, which is characterized in that it is described at
Type mechanism includes upper die and lower die and pedestal, and one end of adjusting screw rod links together after penetrating cabinet with pedestal, the adjusting spiral shell
Bar is vertically arranged with pedestal, which carries out height adjustment by adjusting screw rod；Upper mold is sequentially installed on the pedestal
And lower die, demoulding mechanism is installed in the upper mold, the upper surface of the upper mold is offered with silica crucible discharge port one by one
The middle frame-type chamber for forming air discharge duct at corresponding feed inlet, the upper mold and lower die docking and being connected to four feed inlets,
The external port of the air discharge duct is communicated with cabinet inside vacuum environment, and inner port is connected to middle frame-type chamber.
5. a kind of amorphous alloy mobile phone center molding machine according to claim 4, which is characterized in that each described
It is close to be equipped with high temperature resistant between the pyroceram fibre cloth and upper mold for one layer of pyroceram fibre cloth of equal laying at feed inlet
Seal.
6. a kind of amorphous alloy mobile phone center molding machine according to claim 4, which is characterized in that the ingot stripper
Structure is four, and the periphery along upper mold is evenly arranged, and each demoulding mechanism includes demoulding sliding block, ejector spring and guide rod, described
Upper mold on offer the groove for accommodating demoulding sliding block, the demoulding sliding block is slidably mounted in groove, and lower part is by lower die
Support, while the demoulding sliding block is installed in the guiding of the guide rod in upper mold；The ejector spring covers on guide rod, and one end withstands on de-
On mode slider, the other end is withstood on cope plate, the corresponding lock screw of each demoulding sliding block, and the lock screw is from upper mold
After outer wall penetrates, with the dynamic cooperation of the demoulding sliding block.
7. a kind of amorphous alloy mobile phone center forming method, which comprises the following steps:
S1, it raw material is divided into four points is respectively charged into four silica crucibles；
S2, upper die and lower die are placed on pedestal, the feed inlet on alignment silica crucible discharge port and upper mold, by adjusting spiral shell
Bar adjusts height, starts cylinder, cylinder decline, it is ensured that, will be on cylinder after silica crucible discharge port is aligned and seals with feed inlet
It rises；
S3, starting evacuation vacuumize, and reach 10 to vacuum values-4When MPa, induction coil is powered by starting fever power supply
Heating raw materials, heating power are 30-40KW, frequency 50-100HZ；
S4, after raw material reach requirement temperature, starting spray to cast system carry out spray to cast, 4 points simultaneously spray to cast；Spray to cast pressure is
0.5-0.8MP, gas are argon gas, and the spray to cast time is 1-2S, close fever power supply after the completion and close pumped vacuum systems；
S5, the airtight valve opened on cabinet introduce air into cabinet, after external and internal pressure is consistent, opens the hatch door of cabinet, move out
Upper die and lower die；
S6, first the lock screw of upper mold unscrewed, makes to demould sliding block and carries out de- upper mold under the action of ejector spring, then removed
After mould, product is taken out.
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| CN201811365300.4A CN109530702B (en) | 2018-11-16 | 2018-11-16 | Amorphous alloy mobile phone middle frame forming device and forming method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811365300.4A CN109530702B (en) | 2018-11-16 | 2018-11-16 | Amorphous alloy mobile phone middle frame forming device and forming method thereof |
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| CN109530702B CN109530702B (en) | 2021-01-29 |
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| KR20050036081A (en) * | 2003-10-15 | 2005-04-20 | 고동근 | Goods making process and device of vertical vacuum squeeze casting machine |
| CN1541791A (en) * | 2003-11-07 | 2004-11-03 | 安泰科技股份有限公司 | Spray casting method and device for preparing bulk amorphous |
| CN101293277A (en) * | 2008-06-13 | 2008-10-29 | 清华大学 | A method and equipment for differential pressure injection molding of amorphous magnesium alloy |
| CN203109208U (en) * | 2013-03-12 | 2013-08-07 | 苏州广型模具有限公司 | Stripping mechanism of die-casting mould |
| CN203578719U (en) * | 2013-11-30 | 2014-05-07 | 中国科学院金属研究所 | Amorphous alloy element casting forming equipment |
| CN104668503A (en) * | 2013-11-30 | 2015-06-03 | 中国科学院金属研究所 | Amorphous alloy member cast forming device and process |
| CN105344964A (en) * | 2015-11-17 | 2016-02-24 | 刘南林 | Manufacturing technology and device for shell of amorphous alloy watch |
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