CN103397216A - Closed-hole foamed aluminum component being easy to install and preparation method thereof - Google Patents
Closed-hole foamed aluminum component being easy to install and preparation method thereof Download PDFInfo
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- CN103397216A CN103397216A CN2013103085312A CN201310308531A CN103397216A CN 103397216 A CN103397216 A CN 103397216A CN 2013103085312 A CN2013103085312 A CN 2013103085312A CN 201310308531 A CN201310308531 A CN 201310308531A CN 103397216 A CN103397216 A CN 103397216A
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- closed
- bolt
- prefabricated component
- element mold
- mould
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Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 93
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 title claims description 14
- 238000005187 foaming Methods 0.000 claims abstract description 33
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000006260 foam Substances 0.000 claims description 40
- 239000011812 mixed powder Substances 0.000 claims description 36
- 239000004411 aluminium Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 35
- 239000000843 powder Substances 0.000 claims description 32
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000004381 surface treatment Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 238000002386 leaching Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- 235000010210 aluminium Nutrition 0.000 description 68
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000000048 melt cooling Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Coating By Spraying Or Casting (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a closed-hole foamed aluminum component being easy to install and a preparation method thereof. The closed-hole foamed aluminum component is that bolts for being in connection with other parts are pre-buried in a closed-cell aluminum component body, and aluminum solid bodies are arranged at the pre-buried bolts. The preparation method of the closed-cell foamed aluminum component being easy to install comprises the following steps of: preparing a soluble-scattered prefabticated member containing the bolts, assembling and preheating a closed-hole aluminum component mould, injecting a foaming melt in a component mould after preheating, dissolving and scattering the prefabticated member, injecting molten aluminum on the prefabticated member, cutting and removing a foam-free layer and the like. The closed-hole foamed aluminum component and the preparation method thereof provided by the invention have the advantages that the prepared closed-hole aluminum component can realize the connection with the other parts, a connecting part does not collapse as being subjected to an external force, in addition, the aluminum dosage at the connecting part is small, and thus the porous aluminum component with the light weight is obtained.
Description
Technical field
The present invention relates to a kind of closed-cell foam al member, particularly relate to a kind of closed-cell foam al member that can be used as the easy installation of the aspects such as motor-car beam, the invention still further relates to the preparation method of this closed-cell foam al member.
Background technology
The development need of Hyundai Motor technology has the good and lightweight of energy absorption performance, the good Anti-collision materials (being so-called collision bumper) of installing, and for this reason, many people have carried out a large amount of research.Patent (ZL99221233.2) discloses a kind of foam metal beam of high energy absorption type, this collision bumper is that the foamed aluminium of fritter energy absorbing is disperseed to be placed between helmet and car body, but the foamed aluminium in this patent collision bumper is difficult to effectively fixing, and extraneous collision can not effectively be kept out in the position of not placing foamed aluminium; In order to avoid the defect of ZL99221233.2 collision bumper that patent is announced, patent ZL200420069769.0 has announced a kind of vehicle bumper that consists of shell, foamed aluminium energy absorber and skeleton three parts, this collision bumper has outstanding impact energy absorption characteristic, but the porousness due to foamed aluminium, adopt the mode of self-tapping screw fixed foam aluminium may cause foamed aluminium fixing not firm in collision bumper described in patent, thereby affect the permanent life-span of using of such collision bumper.In addition, above described two patents all adopt the member of finished foam aluminium as collision bumper, and be all by the assembling rather than the once shaped collision bumper, will certainly cause like this collision bumper cost higher; Patent 201210115380.4 has been announced a kind of collision bumper that comprises ceramic particle, and the energy-absorbing effect of this collision bumper is excellent, but density is larger, and existing problems while installing.
Summary of the invention
First technical problem to be solved by this invention is to provide the closed-cell foam al member that a kind ofly collects lightweight, easily installs, contains the easy installation that decorative outer surfaces and energy absorption function be melted into a whole.
Second technical problem to be solved by this invention provides the preparation method of this closed-cell foam al member of easily installing.
In order to solve above-mentioned first technical problem, the closed-cell foam al member of easy installation provided by the invention, comprise the closed-cell foam al member, be embedded with in described closed-cell foam al member to realize with other parts the bolt that is connected, the position of pre-buried described bolt is the solid of aluminium.
In order to solve above-mentioned second technical problem, the method for the closed-cell foam al member that the preparation that provides of the present invention is easily installed, comprise the steps:
The first step, contain the preparation of the leached prefabricated component of bolt;
Second step, the assembling of closed-cell aluminum foam element mold and preheating thereof;
The 3rd step, the injection in the element mold of foaming aluminum melt after preheating;
The 4th step, the leaching of prefabricated component;
In the 5th step, aluminium liquid is in the injection of prefabricated component position;
The 6th step, the cutting of bubble-free layer in foundry goods;
In the 7th step, after the 6th step, the gained foundry goods carried out surface treatment, namely obtain easily installing the porous aluminum member;
The described the first step contains the preparation of the leached prefabricated component of bolt, refers to:
1. prepare to leach the prefabricated component preparation and use the mixed powder material: the composition of described mixed powder material comprises TiB
2Powder, FeO and Fe
2O
3In any ferriferous oxide powder, CaSO
40.5H
2O powder and MgSO
4And K
2SO
4In any soluble sulphate powder; The particle diameter that forms each component of mixed powder is situated between between 200～400 orders; In mixed powder, the mass percent of each composition is respectively TiB
240～50%, FeO or Fe
2O
3Be 20～30%, CaSO
40.5H
2O is 5～20%, MgSO
4Or K
2SO
4Be 15～30%; The preparation process of described mixed powder material (2001) is: load weighted each component is placed in three-dimensional material mixer mixed 2～4 hours, then to the moisture that sprays into powder quality 1～5% in powder;
2. partially mixed powder materials is placed in pressure mould, puts into pressure mould with being about to bolt, and in the surrounding of described bolt, add the mixed powder material, and under the pressure of 0.5～5MPa with the compacting of mixed powder material, obtain compression member;
3. offer first groove and the second groove that extends to the screw rod of described bolt at the nut top that extends to described bolt on compression member;
4. after slotting, compression member is placed in baking oven,, 120～150 ℃ of bakings 4～12 hours, namely obtains containing the leached prefabricated component of bolt;
The assembling of the closed pore al member mould described in described second step, refer to: at first can leach on the base plate that prefabricated component is assemblied in closed pore al member mould, then by the first bolt and the second bolt, the first shell of element mold and the first base plate linked together the assembling of element mold, and at the first shell and the first base plate connecting portion of element mold, the first graphite paper gasket be arranged; Or
At first can leach on the second base plate that prefabricated component is assemblied in closed pore al member mould, then internal mold is placed in the groove on the second base plate, the second housing of mould and the second base plate has been linked together the assembling of mould by the 3rd bolt and the 4th bolt finally; Second housing and the second base plate connecting portion at element mold have the second graphite paper gasket, the asbestos twine of dress through the water glass dipping in bottom plate groove;
The preheating of the closed pore al member mould described in described second step, refer to: the grinding tool that will assemble is placed in preheating oven, is incubated 2～4 hours at the temperature lower than 80～150 ℃ of aluminium fusing points;
Injection in the element mold of described the 3rd step foaming aluminum melt after preheating, refer to: the foaming aluminum melt is directly poured in the die entrance of the first shell; Perhaps realize in the following way:
At first pour molten aluminium into internal mold from the interior die orifice of internal mold, then whipping agent is added in the melt in internal mold, and stir with abundant foaming after, finally internal mold is hung out, makes in element mold full element mold in the foaming aluminum melt;
Leaching of the prefabricated component in described the 4th step, refer to: until the foaming aluminum melt in element mold after cooled and solidified, take element mold apart and take out foundry goods, then the prefabricated component position of foundry goods is immersed in the hot water that constantly flows, the leached composition in prefabricated component is entered in hot water;
The aluminium liquid in described the 5th step, in the injection of prefabricated component position, refers to: temperature is injected into higher than the molten aluminium of 150～200 ℃ of molten aluminium fusing points the first room or the second empty place that the prefabricated component position stays.
The cutting of bubble-free layer in the foundry goods in described the 6th step refers to: adopt conventional cutting means with the first bubble-free layer or the excision of the second bubble-free layer.
The surface treatment in described the 7th step refers to: adopt known technology to the foundry goods processing of spraying paint, thereby finally obtain easy installation closed pore porous aluminum member of the present invention.
Advantage of the present invention and positively effect:
(1) in closed-cell foam al member provided by the present invention, the content of entity aluminium that is used for fixing bolt is lower, and does not need other fitting surface, thereby, can realize the purpose that component quality is light;
(2) be used for the bolt that is connected with other member and member provided by the present invention and melt for one, thereby, be difficult the appearance to connect not old phenomenon in assembling, also guaranteed the life-span of member of the present invention;
(3) to prepare the method for Foamed aluminium component simple in the present invention, is easy to realize mass production.
This member can directly be used as motor-car beam or bumper for automotive vehicle.
Description of drawings
The schematic cross-section of Fig. 1 embodiment 1 and embodiment 2 gained closed-cell foam al members.
Fig. 2 can leach prefabricated component preparation flow figure.
The preparation flow figure of Fig. 3 embodiment 1 closed-cell foam al member.
The preparation flow figure of Fig. 4 embodiment 2 closed-cell foam al members.
Embodiment
The invention will be further described to embodiments of the invention below in conjunction with accompanying drawing, but the present invention is not so limited.
Referring to Fig. 1, the closed-cell foam al member of easily installing, comprise the closed-cell foam al member, is embedded with in closed-cell foam al member 100 to realize with other parts the bolt 201 that is connected, and the position of pre-buried described bolt 201 is the solid 202 of aluminium.
Embodiment 1:
The foaming aluminum melt is directly poured the closed-cell aluminum foam element mold into and is prepared the technique of easy installation Foamed aluminium component
The present embodiment adopts TiH
2, as whipping agent, adopt 102 alloys as aluminium alloy stock.Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, the present embodiment is described.
The first step, contain the preparation of the leached prefabricated component of bolt, and idiographic flow is referring to Fig. 2:
1. prepare to leach the prefabricated component preparation and use the mixed powder material, press TiB
240wt%, FeO20wt%, CaSO
40.5H
2O20wt% and MgSO
420wt% takes raw material powder, then these powder is mixed 2 hours in three-dimensional material mixer, and is last, and stir in the situation of powder on limit, and the water toward spraying into powder quality 5% in mixed powder, obtain mixed powder material 2001;
2. partially mixed powder materials 2001 is placed in pressure mould 2002, puts into pressure mould 2002 with being about to bolt 201, and in the surrounding of bolt 201, add mixed powder material 2001, and under the pressure of 0.5MPa with powder pressing, obtain compression member 2003;
3. offer first groove 2004 and the second groove 2005 that extends to the screw rod of bolt 201 at the nut top that extends to bolt 201 on compression member 2003;
4. after slotting, compression member 2003 is placed in baking oven,, 120 ℃ of bakings 12 hours, namely obtains containing the leached prefabricated component 2000 of bolt;
Second step, the assembling of closed-cell aluminum foam element mold and preheating thereof.
The assembling of closed-cell aluminum foam element mold, referring to Fig. 3:
At first can leach on the first base plate 3002 that prefabricated component 2000 is assemblied in closed pore al member mould, then by the first bolt 3003 and the second bolt 3004, the first shell 3001 of element mold and the first base plate 3002 linked together the assembling of element mold, at the first shell 3001 and first base plate 3002 connecting portions of element mold, the first graphite paper gasket 3012 be arranged;
Then, to the element mold that assembles 480 ℃ of preheatings 4 hours;
The 3rd step, the injection in the element mold of foaming aluminum melt after preheating;
Utilize known technology to prepare the foaming aluminum melt, then the foaming aluminum melt is directly poured in the die entrance 3000 of the first shell 3001, afterwards, the foaming aluminum melt cooling is solidified;
The 4th step, the leaching of prefabricated component;
Namely until the foaming aluminum melt in element mold after cooled and solidified, take element mold apart and take out foundry goods, then the prefabricated component of foundry goods 2000 positions are immersed in the hot water that constantly flows, the leached composition in prefabricated component 2000 is entered in hot water;
In the 5th step, aluminium liquid is in the injection of prefabricated component position;
Be about to temperature and be injected at 102 alloy melts of 780 ℃ 3101 places, the first room that prefabricated component 2000 positions stay, then make it cooled and solidified.
The 6th step, the cutting of bubble-free layer in foundry goods.
Namely adopt the conventional cutting means such as line cutting with the first bubble-free layer 3102 excisions.
The 7th step, surface treatment.
Namely by spraying technology, the 6th step is obtained foundry goods and carry out surface treatment, finally namely obtain easy installation closed pore porous aluminum member of the present invention (as shown in Figure 1).
Embodiment 2:
Pour internal mold → add whipping agent → hang out internal mold into by molten aluminium and prepare the technique of closed-cell foam al member
The present embodiment adopts TiH
2, as whipping agent, adopt 6063 alloys as aluminium alloy stock.Below in conjunction with Fig. 1, Fig. 2 and Fig. 4, the present embodiment is described.
The first step, contain the preparation of the leached prefabricated component of bolt, and idiographic flow is referring to Fig. 2.
1. prepare to leach prefabricated component preparation mixed powder material.Press 50wt%TiB
2, 20wt%Fe
2O
3, 5wt%CaSO
40.5H
2O and 25wt%K
2SO
4Take raw material powder, then these powder were mixed 4 hours in three-dimensional material mixer, last, stir in the situation of powder on limit, and the water toward spraying into powder quality 5% in mixed powder, obtain mixed powder material 2001.
2. partially mixed powder materials 2001 is placed in pressure mould 2002, puts into pressure mould 2002 with being about to bolt 201, and in the surrounding of bolt, add mixed powder material 2001, and under the pressure of 5MPa with powder pressing, obtain compression member 2003.
3. offer first groove 2004 and the second groove 2005 that extends to the screw rod of bolt 201 at the top that extends to bolt 201 on compression member 2003;
4. after slotting, compression member 2003 is placed in baking oven,, 150 ℃ of bakings 4 hours, namely obtains containing the leached prefabricated component 2000 of bolt;
Second step, the assembling of closed-cell aluminum foam element mold and preheating thereof;
The assembling of closed-cell aluminum foam element mold, referring to Fig. 4;
At first can leach on the second base plate 4002 that prefabricated component 2000 is assemblied in closed pore al member mould, then internal mold 4006 is placed in the groove 4003 on the second base plate 4002, mould second housing 4001 and the second base plate 4002 has been linked together the assembling of mould by the 3rd bolt 4004 and the 4th bolt 4005 finally.Second housing 4001 and the second base plate 4002 connecting portions at element mold have the second graphite paper gasket 4012, the asbestos twine 4026 of dress through the water glass dipping in bottom plate groove 4003.
Then, to the element mold that assembles 520 ℃ of preheatings 2 hours;
The 3rd step, the injection in the element mold of foaming melt after preheating;
At first pour 6063 molten aluminiums into internal mold 4006 from interior die orifice 4000, then whipping agent is added in the molten aluminium in internal mold 4006, and stir with abundant foaming after, finally internal mold 4006 is hung out, reaches in element mold the purpose of full element mold in the foaming aluminum melt;
The 4th step, the leaching of prefabricated component;
Namely until the foaming aluminum melt in element mold after cooled and solidified, take element mold apart and take out foundry goods, then the prefabricated component of foundry goods 2000 positions are immersed in the hot water that constantly flows, the leached composition in prefabricated component 2000 is entered in hot water.
In the 5th step, aluminium liquid is in the injection of prefabricated component position.
Be about to temperature and be injected at 6063 alloy melts of 800 ℃ 4101 places, the second room that prefabricated component 2000 positions stay, then make it cooled and solidified.
The 6th step, the cutting of bubble-free layer in foundry goods.
Namely adopt the conventional cutting means such as line cutting with the second bubble-free layer 4102 excisions.
The 7th step, surface treatment.
Namely by spraying technology, the 6th step is obtained foundry goods and carry out surface treatment, finally namely obtain easy installation closed pore porous aluminum member of the present invention.
Embodiment 3:
Pour internal mold → add whipping agent → hang out internal mold into by molten aluminium and prepare the technique of closed-cell foam al member
The present embodiment adopts TiH
2, as whipping agent, adopt 6063 alloys as aluminium alloy stock.Below in conjunction with Fig. 1, Fig. 2 and Fig. 4, the present embodiment is described.
The first step, contain the preparation of the leached prefabricated component of bolt, and idiographic flow is referring to Fig. 2.
1. prepare to leach the prefabricated component preparation and use the mixed powder material, press TiB
245wt%, FeO20wt%, CaSO
40.5H
2O20wt% and MgSO
415wt% takes raw material powder, then these powder is mixed 2 hours in three-dimensional material mixer, and is last, and stir in the situation of powder on limit, and the water toward spraying into powder quality 5% in mixed powder, obtain mixed powder material 2001;
2. partially mixed powder materials 2001 is placed in pressure mould 2002, puts into pressure mould 2002 with being about to bolt 201, and in the surrounding of bolt, add mixed powder material 2001, and under the pressure of 3MPa with powder pressing, obtain compression member 2003.
3. offer first groove 2004 and the second groove 2005 that extends to the screw rod of bolt 201 at the top that extends to bolt 201 on compression member 2003;
4. after slotting, compression member 2003 is placed in baking oven,, 150 ℃ of bakings 4 hours, namely obtains containing the leached prefabricated component 2000 of bolt;
Second step, the assembling of closed-cell aluminum foam element mold and preheating thereof;
The assembling of closed-cell aluminum foam element mold, referring to Fig. 4;
At first can leach on the second base plate 4002 that prefabricated component 2000 is assemblied in closed pore al member mould, then internal mold 4006 is placed in the groove 4003 on the second base plate 4002, mould second housing 4001 and the second base plate 4002 has been linked together the assembling of mould by the 3rd bolt 4004 and the 4th bolt 4005 finally.Second housing 4001 and the second base plate 4002 connecting portions at element mold have the second graphite paper gasket 4012, the asbestos twine 4026 of dress through the water glass dipping in bottom plate groove 4003.
Then, to the element mold that assembles 520 ℃ of preheatings 3 hours;
The 3rd step, the injection in the element mold of foaming melt after preheating;
At first pour 6063 molten aluminiums into internal mold 4006 from interior die orifice 4000, then whipping agent is added in the molten aluminium in internal mold 4006, and stir with abundant foaming after, finally internal mold 4006 is hung out, reaches in element mold the purpose of full element mold in the foaming aluminum melt;
The 4th step, the leaching of prefabricated component;
Namely until the foaming aluminum melt in element mold after cooled and solidified, take element mold apart and take out foundry goods, then the prefabricated component of foundry goods 2000 positions are immersed in the hot water that constantly flows, the leached composition in prefabricated component 2000 is entered in hot water.
In the 5th step, aluminium liquid is in the injection of prefabricated component position.
Be about to temperature and be injected at 6063 alloy melts of 800 ℃ 4101 places, the second room that prefabricated component 2000 positions stay, then make it cooled and solidified.
The 6th step, the cutting of bubble-free layer in foundry goods.
Namely adopt the conventional cutting means such as line cutting with the second bubble-free layer 4102 excisions.
The 7th step, surface treatment.
Namely by spraying technology, the 6th step is obtained foundry goods and carry out surface treatment, finally namely obtain easy installation closed pore porous aluminum member of the present invention.
Embodiment 4:
The foaming aluminum melt is directly poured the closed-cell aluminum foam element mold into and is prepared the technique of easy installation Foamed aluminium component
The present embodiment adopts TiH
2, as whipping agent, adopt 102 alloys as aluminium alloy stock.Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, the present embodiment is described.
The first step, contain the preparation of the leached prefabricated component of bolt, and idiographic flow is referring to Fig. 2:
1. prepare to leach prefabricated component preparation mixed powder material.Press 45wt%TiB
2, 20wt%Fe
2O
3, 5wt%CaSO
40.5H
2O and 30wt%K
2SO
4Take raw material powder, then these powder were mixed 4 hours in three-dimensional material mixer, last, stir in the situation of powder on limit, and the water toward spraying into powder quality 5% in mixed powder, obtain mixed powder material 2001.
2. partially mixed powder materials 2001 is placed in pressure mould 2002, puts into pressure mould 2002 with being about to bolt 201, and in the surrounding of bolt 201, add mixed powder material 2001, and under the pressure of 0.5MPa with powder pressing, obtain compression member 2003;
3. offer first groove 2004 and the second groove 2005 that extends to the screw rod of bolt 201 at the nut top that extends to bolt 201 on compression member 2003;
4. after slotting, compression member 2003 is placed in baking oven,, 120 ℃ of bakings 12 hours, namely obtains containing the leached prefabricated component 2000 of bolt;
Second step, the assembling of closed-cell aluminum foam element mold and preheating thereof.
The assembling of closed-cell aluminum foam element mold, referring to Fig. 3:
At first can leach on the first base plate 3002 that prefabricated component 2000 is assemblied in closed pore al member mould, then by the first bolt 3003 and the second bolt 3004, the first shell 3001 of element mold and the first base plate 3002 linked together the assembling of element mold, at the first shell 3001 and first base plate 3002 connecting portions of element mold, the first graphite paper gasket 3012 be arranged;
Then, to the element mold that assembles 480 ℃ of preheatings 4 hours;
The 3rd step, the injection in the element mold of foaming aluminum melt after preheating;
Utilize known technology to prepare the foaming aluminum melt, then the foaming aluminum melt is directly poured in the die entrance 3000 of the first shell 3001, afterwards, the foaming aluminum melt cooling is solidified;
The 4th step, the leaching of prefabricated component;
Namely until the foaming aluminum melt in element mold after cooled and solidified, take element mold apart and take out foundry goods, then the prefabricated component of foundry goods 2000 positions are immersed in the hot water that constantly flows, the leached composition in prefabricated component 2000 is entered in hot water;
In the 5th step, aluminium liquid is in the injection of prefabricated component position;
Be about to temperature and be injected at 102 alloy melts of 780 ℃ 3101 places, the first room that prefabricated component 2000 positions stay, then make it cooled and solidified.
The 6th step, the cutting of bubble-free layer in foundry goods.
Namely adopt the conventional cutting means such as line cutting with the first bubble-free layer 3102 excisions.
The 7th step, surface treatment.
Namely by spraying technology, the 6th step is obtained foundry goods and carry out surface treatment, finally namely obtain easy installation closed pore porous aluminum member of the present invention (as shown in Figure 1).
Claims (4)
1. closed-cell foam al member of easily installing, comprise closed-cell foam al member (100), it is characterized in that: be embedded with in described closed-cell foam al member (100) to realize with other parts the bolt (201) that is connected, the position of pre-buried described bolt (201) is the solid (202) of aluminium.
2. prepare the method for the closed-cell foam al member of easy installation claimed in claim 1, comprise the steps:
The first step, contain the preparation of the leached prefabricated component of bolt;
Second step, the assembling of closed-cell aluminum foam element mold and preheating thereof;
The 3rd step, the injection in the element mold of foaming aluminum melt after preheating;
The 4th step, the leaching of prefabricated component;
In the 5th step, aluminium liquid is in the injection of prefabricated component position;
The 6th step, the cutting of bubble-free layer in foundry goods;
In the 7th step, after the 6th step, the gained foundry goods carried out surface treatment, namely obtain easily installing the porous aluminum member;
It is characterized in that: the described the first step contains the preparation of the leached prefabricated component of bolt, refers to:
1. prepare to leach the prefabricated component preparation and use the mixed powder material: the composition of described mixed powder material (2001) comprises TiB
2Powder, FeO and Fe
2O
3In any ferriferous oxide powder, CaSO
40.5H
2O powder and MgSO
4And K
2SO
4In any soluble sulphate powder; The particle diameter that forms each component of mixed powder is situated between between 200～400 orders; In mixed powder, the mass percent of each composition is respectively TiB
240～50%, FeO or Fe
2O
3Be 20～30%, CaSO
40.5H
2O is 5～20%, MgSO
4Or K
2SO
4Be 15～30%; The preparation process of described mixed powder material (2001) is: load weighted each component is placed in three-dimensional material mixer mixed 2～4 hours, then to the moisture that sprays into powder quality 1～5% in powder;
2. partially mixed powder materials (2001) is placed in pressure mould (2002), put into pressure mould (2002) with being about to bolt (201), and in the surrounding of described bolt (201), add mixed powder material (2001), and under the pressure of 0.5～5MPa with mixed powder material (2001) compacting, obtain compression member (2003);
3. offer first groove (2004) at the nut top that extends to described bolt (201) and extend to second groove (2005) of the screw rod of described bolt (201) on compression member (2003);
4. after slotting, compression member (2003) is placed in baking oven,, 120～150 ℃ of bakings 4～12 hours, namely obtains containing the leached prefabricated component (2000) of bolt (201);
The assembling of the closed pore al member mould described in described second step, refer to: at first can leach prefabricated component (2000) be assemblied in the base plate (3002) of closed pore al member mould upper, then by the first bolt (3003) and the second bolt (3004), first shell (3001) of element mold and the first base plate (3002) have been linked together the assembling of element mold, at the first shell (3001) and the first base plate (3002) connecting portion of element mold, the first graphite paper gasket (3012) is arranged; Or
At first can leach on the second base plate (4002) that prefabricated component (2000) is assemblied in closed pore al member mould, then internal mold (4006) is placed in the groove (4003) on the second base plate (4002), the second housing of mould (4001) and the second base plate (4002) has been linked together the assembling of mould by the 3rd bolt (4004) and the 4th bolt (4005) finally; Second housing (4001) at element mold has the second graphite paper gasket (4012) with the second base plate (4002) connecting portion, the asbestos twine (4026) of dress through the water glass dipping in bottom plate groove (4003);
The preheating of the closed pore al member mould described in described second step, refer to: the grinding tool that will assemble is placed in preheating oven, is incubated 2～4 hours at the temperature lower than 80～150 ℃ of aluminium fusing points;
Injection in the element mold of described the 3rd step foaming aluminum melt after preheating, refer to: the foaming aluminum melt is directly poured in the die entrance (3000) of the first shell (3001); Perhaps realize in the following way:
At first pour molten aluminium into internal mold (4006) from the interior die orifice (4000) of internal mold (4006), then whipping agent is added in the melt in internal mold (4006), and stir with abundant foaming after, finally internal mold (4006) is hung out, makes in element mold full element mold in the foaming aluminum melt;
Leaching of the prefabricated component in described the 4th step, refer to: until the foaming aluminum melt in element mold after cooled and solidified, take element mold apart and take out foundry goods, then the prefabricated component of foundry goods (2000) position is immersed in the hot water that constantly flows, the leached composition in prefabricated component (2000) is entered in hot water;
The aluminium liquid in described the 5th step, in the injection of prefabricated component position, refers to: temperature is injected into higher than the molten aluminium of 150～200 ℃ of molten aluminium fusing points the room (4101) that prefabricated component (2000) position stays locates.
3. the method for closed-cell foam al member is easily installed in preparation according to claim 2, it is characterized in that: the cutting of bubble-free layer in the foundry goods in described the 6th step refers to: adopt conventional cutting means with the first bubble-free layer (3102) or the second bubble-free layer (4102) excision.
4. according to claim 2 or 3 described preparations method that the closed-cell foam al member easily is installed, it is characterized in that: the surface treatment in described the 7th step, refer to: adopt known technology to the foundry goods processing of spraying paint, thereby finally obtain easy installation closed pore porous aluminum member of the present invention.
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| CN201310308531.2A CN103397216B (en) | 2013-07-22 | 2013-07-22 | Closed-hole foamed aluminum component being easy to install and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040079198A1 (en) * | 2002-05-16 | 2004-04-29 | Bryant J Daniel | Method for producing foamed aluminum products |
| CN100563874C (en) * | 2007-10-26 | 2009-12-02 | 东南大学 | Be used to prepare the method for bubble aluminum alloy special-shaped member with even pore structure |
| CN102002607A (en) * | 2010-12-14 | 2011-04-06 | 东莞理工学院 | Method for preparing foamed aluminum by foaming melt |
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2013
- 2013-07-22 CN CN201310308531.2A patent/CN103397216B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040079198A1 (en) * | 2002-05-16 | 2004-04-29 | Bryant J Daniel | Method for producing foamed aluminum products |
| CN100563874C (en) * | 2007-10-26 | 2009-12-02 | 东南大学 | Be used to prepare the method for bubble aluminum alloy special-shaped member with even pore structure |
| CN102002607A (en) * | 2010-12-14 | 2011-04-06 | 东莞理工学院 | Method for preparing foamed aluminum by foaming melt |
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Effective date of registration: 20150608 Address after: 115004 in Liaoning province in the West District of Yingkou city coastal industrial base Xinlian No. 1 East Street Patentee after: LIAONING RONTEC NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. Address before: 115004 in Liaoning province in the West District of Yingkou city coastal industrial base Xinlian No. 1 East Street Patentee before: Zhu Delin |
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