CN202411381U - Molding device of aluminum base silicon carbide particles, crystal whiskers or carbon fiber reinforced composite materials - Google Patents
Molding device of aluminum base silicon carbide particles, crystal whiskers or carbon fiber reinforced composite materials Download PDFInfo
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- CN202411381U CN202411381U CN2012200360624U CN201220036062U CN202411381U CN 202411381 U CN202411381 U CN 202411381U CN 2012200360624 U CN2012200360624 U CN 2012200360624U CN 201220036062 U CN201220036062 U CN 201220036062U CN 202411381 U CN202411381 U CN 202411381U
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Abstract
A molding device of aluminum base silicon carbide particles, crystal whiskers or carbon fiber reinforced composite materials belongs to the field of molding devices of aluminum base composite materials and aims at resolving the problem that the existing molding device has safety hazards and is low in production efficiency. The molding device comprises a vacuum cylinder, a cylinder cover, a recessed mould arranged in the vacuum cylinder and a crucible used for filling aluminum alloy liquid into the recessed mould. An induction coil is sleeved outside the crucible, and a recessed mould heating coil is sleeved outside the recessed mould. The recessed mould is provided with a cavity used for containing the silicon carbide, the crystal whiskers or the carbon fiber reinforced composite materials. A mould upper punch is arranged above the cavity, and a mould lower punch is arranged under the cavity. An air exhaust or aerating connector is arranged on the wall face of the vacuum cylinder. The molding device achieves molding of aluminum silicon carbide composite materials by mixing aluminum alloy into a silicone carbide framework. The device is simple to process, low in cost and high in production efficiency.
Description
Technical field
The utility model relates to the forming field of aluminum silicon carbide composite material, especially aluminium base silicon carbide particle reinfored composite material moulding, i.e. a kind of shaped device of carborundum skeleton or silicon carbide whisker skeleton or the aluminising of silicon carbide fibre skeleton.
Background technology
Aluminum matrix composite is current advanced person's a composite, and its application in high-tech sector is increasingly extensive.General at present employing vacuum pressure impregnation stove prepares aluminium base silicon carbide particle reinfored composite material, and the vacuum pressure impregnation stove divides goes up chamber and following chamber, and the aluminising mould is put in last chamber; The crucible of melting aluminum alloy is put in following chamber; Install chamber and following chamber heating system in the vacuum tank respectively, adopt the molybdenum filament heating, be afraid of oxidation; Filling nitrogen pressure is more than the 8MPa, the vacuum tank compression resistance is required high; The vacuum pressure impregnation stove only is fit to the little board-like material of the aluminium base silicon carbide particle reinfored composite material volume of preparation, and produces 1 stove needs more than 8 hours, and production efficiency is low.
The utility model content
There is the low deficiency of production efficiency in shaped device to existing aluminium base carborundum or whisker or carbon fibre reinforced composite, and the utility model aims to provide a kind of safe, efficient, easy to operate, the aluminium base silicon-carbide particle that cost is low or the shaped device (shaped device that is called for short aluminum silicon carbide composite material) of whisker or carbon fibre reinforced composite.
To achieve these goals; The technical scheme that the utility model adopted is: the shaped device of a kind of aluminium base silicon-carbide particle or whisker or carbon fibre reinforced composite; Comprise vacuum tank and cover; Its design feature is also to comprise die that is contained in the vacuum tank and the crucible that in die, injects aluminum alloy melt; Said crucible is set with induction coil outward, and said die is set with the die heater coil outward; Said die has the cavity that holds silicon-carbide particle or whisker or carbon fiber skeleton and aluminium liquid, and this cavity top is provided with on the mould and dashes, and this cavity below is provided with under the mould and dashes; Said vacuum tank wall is provided with bleeds or inflates interface.
Through bleeding or inflating interface, can vacuumize vacuum tank, then nitrogen injection in vacuum tank.
Further; The utility model also comprises hydraulic press, and said vacuum tank places on the hydraulic press workbench, dashes on the top shoe of said hydraulic press and the mould to be fixedly connected; Cylinder ejecting mechanism under the hydraulic press is housed on this hydraulic press workbench, is equipped with under the mould on the cylinder ejecting mechanism under the said hydraulic press and dashes.Said hydraulic press is four column hydraulic presses more preferably, and tonnage is looked the workpiece size and confirmed.
Further, said die is contained on the hydraulic press workbench through die frame.
Said crucible is contained on the vacuum tank through the induction coil action bars, is used to control crucible and in the cavity of die, injects aluminum alloy melt.
Dash on the said mould with die, mould and be preferably 1mm～2mm towards bilateral gap down, more preferably 1mm with die.
By said structure, the utility model comprises vacuum tank, induction coil, crucible, die, die heater coil, the Shang Chong of steel and Xia Chong, hydraulic press.It is characterized in that upward dashing of mould is installed on the upper cylinder half slide block of hydraulic press, down towards being connected with the following cylinder ejecting mechanism of hydraulic press; The Shang Chong of mould and the die cavity center that is punched in down mould, vacuum tank is installed on the workbench of hydraulic press, and its center line is not in the centre of hydraulic press work top; Induction coil suit crucible in the vacuum tank; Its installation site is in the oblique upper of mould, and when induction coil drove the crucible inclination liquid of falling the aluminium alloy, cast gate faced the die cavity of mould; The heater coil of mold cavity is installed in the central part of die cavity short transverse; Following the dashing of mould is in the die cavity of mould in advance, is connected with the following cylinder ejecting mechanism of hydraulic press; Carborundum skeleton or silicon carbide whisker skeleton or silicon carbide fibre skeleton and the aluminising passage spacer assembly of holding concurrently is intersected to fold and puts into mold cavity, and Al alloy block is put into crucible, the loam cake of the vacuum tank that closes; Vacuumize with the inflated with nitrogen interface and be connected with nitrogen cylinder, vacuumize or inflated with nitrogen through valve control with vavuum pump; After said cover is removed, dash on the mould and can enter in the mold cavity.Through the operation hydraulic press, can control sweep away move and under rush to and move.The utility model has been realized carborundum skeleton or silicon carbide whisker skeleton or silicon carbide fibre skeleton aluminising alloy and has been become aluminum silicon carbide composite material.
Said vacuum tank is the known method manufacturing, and vacuum tank has loam cake, and the vacuum meter that shows jar internal pressure is housed on the said vacuum tank, can when vacuum meter is indicated 0MPa, push loam cake open.
Said induction coil is the copper tube coil of known logical cooling water, and power supply is an intermediate frequency power supply, and heating-up temperature can reach 1500 ℃; Said induction coil can be through control in the vacuum tank outside, makes it can drive crucible and tilt and aluminium liquid is poured in the die in crucible.
Said crucible is at the oblique upper of mold cavity, when mouth of pot tilts, to the mold cavity liquid of falling aluminium.Described crucible is an alumina crucible, can 1 time more than the melting aluminum alloy 5kg.
Said die height is 3～5 times of workpiece height, is preferably 4 times.
Said die heater coil is siderochrome aluminium Cr13Al4 coiling, and heating-up temperature can reach 850 ℃.
Said die, Shang Chong and the shape of dashing down are unrestricted, confirm according to shape of product, and can be that circle also can be square or rectangle or annulus.All adopt steel material to process towards dashing down on the said mould, and be not limited to the high-temperature steel material, also available No. 45 steel with die, mould.
The utility model is invented in order to prepare aluminium base silicon carbide particle reinfored composite material, also is applicable to aluminium base silicon carbide whisker of preparation or silicon carbide fibre reinforced composite, also is applicable to the aluminium base alumina particle of preparation or whisker or fibre reinforced composites; Also be applicable to preparation copper base silicon carbide whisker or silicon carbide fibre reinforced composite.
Compared with prior art, the beneficial effect of the utility model is: the vacuum tank of the utility model design only need bear from negative pressure and increase to 0MPa, and is safe and reliable; Heating system adopts the Frequency Induction Heating system, and efficient is high, avoid the metal material oxidation, is involved in gas when also avoiding casting of molten metal effectively; Adopt the double solid aluminum liquid pressurization of hydraulic press and the demoulding, easy to operate, efficient is high.And this device processing is simple, and cost is low, and production efficiency is high.
Below in conjunction with accompanying drawing and embodiment the utility model is done further to set forth.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
In the drawings:
The 1-vacuum tank; The 2-cooling water; 3-induction coil action bars; The 4-induction coil;
The 5-crucible; The 6-aluminum alloy melt; The 7-cover; 8-vacuumizes or the inflated with nitrogen interface;
Dash on the 9-mould; The 10-die; 11-die heater coil; 12-carborundum skeleton and aluminum alloy melt;
Dash under the 13-mould; The 14-die frame; Cylinder ejecting mechanism under the 15-hydraulic press;
16-hydraulic press workbench; 17-hydraulic press top shoe.
The specific embodiment
The shaped device of a kind of aluminium base silicon-carbide particle or whisker or carbon fibre reinforced composite; As shown in Figure 1; Comprise vacuum tank 1, induction coil 4, crucible 5, steel die 10, die heater coil 11; Steel go up to dash 9 with dash 13 down, hydraulic press eight parts, wherein the cavity of die 10, upward dash 9 and dash down 13 be shaped as square.
Vacuum tank 1 is installed on the workbench 16 of hydraulic press, induction coil 4 is installed in the vacuum tank 1 suit crucible 5 in the induction coil 4 through connecting induction coil action bars 3; The centre of the central authorities of mold cavity 10 cylinder ejecting mechanism 15 under the hydraulic press; Mold cavity 10 is installed on the die frame 14; Die heater coil 11 is installed in the central part of mold cavity 10 short transverses; Dash 9 on the mould and be fixed on the hydraulic press top shoe 17, mould dash down 13 with hydraulic press under cylinder ejecting mechanism 15 be connected; Cover 7 was sealing vacuum tank 1 before aluminium alloy liquid is poured mold cavity 10 into; After aluminium alloy liquid is poured mold cavity 10 into,, can push cover 7 open through vacuumizing or inflated with nitrogen mouth 8 charges into after nitrogen to vacuum meter is designated as 0MPa; The operation hydraulic press makes on the mould and to dash 9 and move down into 10 pairs of semi-solid aluminium alloy liquid of mold cavity and the carborundum skeleton is exerted pressure; After finishing to exert pressure, operate hydraulic press again and make down the drive of cylinder ejecting mechanism on 13, move the demoulding down, accomplish the moulding of aluminum matrix composite.
Present embodiment is the aluminising alloy mould of 6 carborundum skeletons of 1 mould, 130 * 140 * 5mm.
Dash 9 on mold cavity 10, the mould, mould dashes 13 down, die frame 14 is No. 45 steels and makes; Its inner cavity size is long 142 * wide by 60 * high 520mm; Long 140 * wide by the 5 * high 130mm of 6 carborundum skeletons and 7 dividing plates intersect fold after; Can put into mold cavity 10, dash on the mould 9 with dash down 13 with the bilateral gap 1mm of die 10.
The content that the foregoing description is illustrated is to be understood that to these embodiment and only is used to be illustrated more clearly in the utility model; And be not used in the restriction the utility model scope; After having read the utility model, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the utility model.
Claims (8)
1. the shaped device of an aluminium base silicon-carbide particle or whisker or carbon fibre reinforced composite comprises vacuum tank (1) and cover (7), it is characterized in that, also comprises the die (10) that is contained in the vacuum tank (1) and the crucible (5) of injection aluminum alloy melt to die (10) in; The outer induction coil (4) that is set with of said crucible (5), the outer die heater coil (11) that is set with of said die (10); Said die (10) has the cavity that holds silicon-carbide particle or whisker or carbon fiber skeleton and aluminium liquid, and this cavity top is provided with and dashes (9) on the mould, and this cavity below is provided with and dashes (13) under the mould; Said vacuum tank (1) wall is provided with bleeds or inflates interface (8).
2. the shaped device of aluminium base silicon-carbide particle according to claim 1 or whisker or carbon fibre reinforced composite; It is characterized in that; Also comprise hydraulic press, said vacuum tank (1) places on the hydraulic press workbench (16), dashes (9) on the top shoe of said hydraulic press (17) and the mould and is fixedly connected; Cylinder ejecting mechanism (15) under the hydraulic press is housed on this hydraulic press workbench (16), is equipped with on the cylinder ejecting mechanism (15) under the said hydraulic press and dashes (13) under the mould.
3. the shaped device of aluminium base silicon-carbide particle according to claim 2 or whisker or carbon fibre reinforced composite is characterized in that, said die (10) is contained on the hydraulic press workbench (16) through die frame (14).
4. the shaped device of aluminium base silicon-carbide particle according to claim 1 or whisker or carbon fibre reinforced composite is characterized in that, said crucible (5) is contained on the vacuum tank (1) through induction coil action bars (4).
5. the shaped device of aluminium base silicon-carbide particle according to claim 1 or whisker or carbon fibre reinforced composite is characterized in that, the vacuum meter that shows jar internal pressure is housed on the said vacuum tank (1).
6. the shaped device of aluminium base silicon-carbide particle according to claim 1 or whisker or carbon fibre reinforced composite is characterized in that, dashing (9) on the said mould is 1mm～2mm with the gap that die (10), mould dash (13) and die (10) down.
7. the shaped device of aluminium base silicon-carbide particle according to claim 1 or whisker or carbon fibre reinforced composite is characterized in that, said die heater coil (11) is formed by siderochrome aluminium Cr13Al4 coiling.
8. the shaped device of aluminium base silicon-carbide particle according to claim 1 or whisker or carbon fibre reinforced composite is characterized in that, dashes under (9), the mould on said die (10), the mould and all adopts steel material to process towards (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200360624U CN202411381U (en) | 2012-02-06 | 2012-02-06 | Molding device of aluminum base silicon carbide particles, crystal whiskers or carbon fiber reinforced composite materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200360624U CN202411381U (en) | 2012-02-06 | 2012-02-06 | Molding device of aluminum base silicon carbide particles, crystal whiskers or carbon fiber reinforced composite materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411381U true CN202411381U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200360624U Expired - Fee Related CN202411381U (en) | 2012-02-06 | 2012-02-06 | Molding device of aluminum base silicon carbide particles, crystal whiskers or carbon fiber reinforced composite materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202411381U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143695A (en) * | 2013-03-13 | 2013-06-12 | 江苏时代华宜电子科技有限公司 | Technology and die-casting device for aluminium silicon carbide accurate die-casting forming |
| CN103240400A (en) * | 2013-04-26 | 2013-08-14 | 华南理工大学 | Method and device for manufacturing silicon carbide aluminum-base composite materials with medium to high volume fractions |
| CN103521738A (en) * | 2013-10-17 | 2014-01-22 | 湖南航天工业总公司 | Silicon carbide IGBT substrate framework vacuum hydraulic pressure fast alumetizing device and method |
| CN106893955A (en) * | 2017-03-20 | 2017-06-27 | 武汉理工大学 | A kind of electromagnetic forming device and the method that fiber-reinforced metal matrix composite is prepared using the device |
| CN111394715A (en) * | 2020-04-03 | 2020-07-10 | 湖南工程学院 | Silicon carbide particle and whisker mixture processing apparatus for aluminium base composite |
-
2012
- 2012-02-06 CN CN2012200360624U patent/CN202411381U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143695A (en) * | 2013-03-13 | 2013-06-12 | 江苏时代华宜电子科技有限公司 | Technology and die-casting device for aluminium silicon carbide accurate die-casting forming |
| CN103143695B (en) * | 2013-03-13 | 2014-11-26 | 江苏时代华宜电子科技有限公司 | Technology and die-casting device for aluminium silicon carbide accurate die-casting forming |
| CN103240400A (en) * | 2013-04-26 | 2013-08-14 | 华南理工大学 | Method and device for manufacturing silicon carbide aluminum-base composite materials with medium to high volume fractions |
| CN103240400B (en) * | 2013-04-26 | 2015-03-11 | 华南理工大学 | Method and device for manufacturing silicon carbide aluminum-base composite materials with medium to high volume fractions |
| CN103521738A (en) * | 2013-10-17 | 2014-01-22 | 湖南航天工业总公司 | Silicon carbide IGBT substrate framework vacuum hydraulic pressure fast alumetizing device and method |
| CN103521738B (en) * | 2013-10-17 | 2016-04-06 | 湖南航天工业总公司 | The quick aluminising device and method of silicon carbide IGBT substrate framework vacuum hydraulic pressure |
| CN106893955A (en) * | 2017-03-20 | 2017-06-27 | 武汉理工大学 | A kind of electromagnetic forming device and the method that fiber-reinforced metal matrix composite is prepared using the device |
| CN106893955B (en) * | 2017-03-20 | 2019-01-22 | 武汉理工大学 | A kind of electromagnetic forming device and the method for preparing fiber-reinforced metal matrix composite using the device |
| CN111394715A (en) * | 2020-04-03 | 2020-07-10 | 湖南工程学院 | Silicon carbide particle and whisker mixture processing apparatus for aluminium base composite |
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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: 20120905 Termination date: 20160206 |