CN109750188A - Aluminum alloy doors and windows production method - Google Patents
Aluminum alloy doors and windows production method Download PDFInfo
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- CN109750188A CN109750188A CN201910216596.1A CN201910216596A CN109750188A CN 109750188 A CN109750188 A CN 109750188A CN 201910216596 A CN201910216596 A CN 201910216596A CN 109750188 A CN109750188 A CN 109750188A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 94
- 239000000956 alloy Substances 0.000 claims abstract description 94
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010936 titanium Substances 0.000 claims abstract description 28
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 28
- 238000002360 preparation method Methods 0.000 claims abstract description 26
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 24
- 239000004411 aluminium Substances 0.000 claims abstract description 23
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000006197 hydroboration reaction Methods 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 15
- 239000001257 hydrogen Substances 0.000 claims abstract description 15
- 229910033181 TiB2 Inorganic materials 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 229910000048 titanium hydride Inorganic materials 0.000 claims abstract description 12
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims description 37
- 230000008018 melting Effects 0.000 claims description 37
- 230000003028 elevating effect Effects 0.000 claims description 36
- 238000003786 synthesis reaction Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 13
- 241000883990 Flabellum Species 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 239000002966 varnish Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims 1
- 239000006025 fining agent Substances 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 10
- 238000013019 agitation Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of aluminum alloy doors and windows production methods.The method is during preparing aluminium alloy ingots, first by TiH2Powder, aluminium powder and hydroboration titanium valve are uniformly mixed and are pressed into the second alloy prefabricated section；Boron powder, titanium valve and aluminium powder are pressed into the first alloy prefabricated section, after the first alloy prefabricated section that ignites, the second alloy prefabricated section is heated TiH2Powder and hydroboration titanium valve decompose simultaneously further occurrence self-propagating reaction, and final second alloy prefabricated section is interior to form tiny TiB by self-propagating reaction2The formation moment of particle, hydrogeneous titanium aluminum melt and hydrogen, hydrogen generates high pressure, by TiB2Particle and hydrogeneous titanium aluminum melt drop are sprayed into melt melted in advance, form Al-5%Ti-xB intermediate alloy.TiB can be reduced2Particle size improves its disperse effect in intermediate alloy, while reducing the environmental pollution of fining agent preparation, and this improves the intensity of the aluminum alloy doors and windows of preparation, and reduce environmental pollution.
Description
Technical field
The present invention relates to the preparation method technical fields of aluminum alloy doors and windows.
Background technique
Aluminium alloy is widely used in the industrial circles such as Aeronautics and Astronautics, automobile, ship, door and window manufacture, tiny casting aluminium
Alloy structure can obtain excellent mechanical property, and usual casting alloy thinning method has addition fining agent, mechanical oscillation, ultrasound
Wave, electromagnetic agitation, rapid cooling etc., addition fining agent and rapid cooling are mainly by improving nucleation rate come refining aluminum alloy group
It knits, and mechanical oscillation, ultrasonic wave and electromagnetic agitation are mainly by the dendrite in broken aluminium alloy come thinning microstructure.
It is a kind of most important and most common alloy refinement method in aluminium alloy industrial production that aluminium alloy, which adds fining agent, often
It is rare earth element that the aluminium alloy fining agent seen, which has Al-Ti-B, Al-Ti-C, Al-Ti-B-C, Al-Ti-B-R(R) and Al-M-P (M
For metallic element) etc. intermediate alloys.Al-Ti-B is that fining agent is a kind of very important Master alloy refiners, is had good
Refinement effect, mainly pass through villiaumite reaction method, smelting process, electrolysis method, SHS process etc..Wherein villiaumite reaction method
It is most common method, but pollutes big, the TiB of formation2Particle is not easy to control.Smelting process and SHS process product
Quantity and the big feature of size Control difficulty.
Summary of the invention
The technical problem to be solved by the present invention is to how provide a kind of entirety of aluminum alloy doors and windows that preparation can be improved
Intensity, and the preparation method of the small aluminum alloy doors and windows of environmental pollution.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of aluminum alloy doors and windows production method,
It is characterized in that including the following steps:
Aluminium alloy ingots is prepared by aluminium alloy ingots preparation facilities；
Aluminium alloy ingots fusing is prepared into rods and bars of aluminium alloy；
After rods and bars of aluminium alloy is carried out ultrasonic cleaning, it is put into resistance furnace, makes its softening, can be extruded together machining；
Rods and bars of aluminium alloy after heating is put into the mold of single lead screw ex truding briquetting machine and carries out extrusion forming, obtains aluminum alloy base material；
Cooling Quenching is carried out to obtained aluminum alloy base material；
To the aluminum alloy base material after quenching treatment, using electrostatic spray, successively spraying protective layer, colored paint coating and varnish are applied
Layer, after the completion of each coating spraying, aluminum alloy base material is transferred in the baking oven of 170-200 DEG C of temperature, toasts 20 min-
30min is cooled to room temperature the preparation for completing aluminium alloy extrusions after drying；
According to the needs of aluminum alloy doors and windows size, the aluminium alloy extrusions of preparation is cut, uses the aluminium alloy type after cutting
Material prepares aluminum alloy doors and windows.
The method for preparing aluminium alloy ingots is as follows:
It weighs boron powder and is mixed uniformly and is dried with titanium valve, it is prefabricated that uniformly mixed powder is pressed into the first alloy
Block；
Weigh TiH2Powder, aluminium powder and hydroboration titanium valve are mixed uniformly and are dried, and uniformly mixed powder is pressed into
Second alloy prefabricated section；
First alloy prefabricated section is placed into furnace body in the upper cover of synthesising container, the second alloy prefabricated section is put into synthesising container
Lower cover in, and separated between the first alloy prefabricated section and the second alloy prefabricated section using heat conduction baffle；By synthesising container upper cover
It tightens together, is hung on the ignitor of the intracorporal synthesis elevating lever lower end of furnace, and make to draw with synthesising container lower cover
Combustion electrode is directly contacted with the first alloy prefabricated section；
Into the melting kettle of furnace body, it is put into fine aluminium block, starts the heater on the outside of melting kettle and is heated to fine aluminium block, keep it molten
Change；
Synthesising container is immersed in the melt in melting kettle by synthesizing elevating lever, utilizes the guarantor on synthesis elevating lever
Protecting cover covers melting kettle, while starting the electromagnetic pulse on the elevating lever, and electric pulse device ignites first by ignitor
Alloy prefabricated section, the first alloy prefabricated section transfer heat to the second alloy prefabricated section, and in the fast reaction stage, the first alloy is pre-
TiH inside clamp dog2Powder and hydroboration titanium valve decompose to give off rapidly hydrogen, form tiny nano titanium powder and boron powder, titanium valve and
Boron powder triggers self-propagating reaction at high temperature, forms tiny TiB2Particle and boron particles；
Simultaneously under the instantaneous pressure of hydrogen, titanium aluminum melt carries TiB2Particle and boron particles are sprayed from the jet port on the lower lid
It injects in the melt in the crucible melted in advance, while starting synthesis elevating lever rotation and carrying out stirring melt, make
Obtain TiB2Particle dispersion enters in melt；
It is vacuumized by the vacuum orifice on furnace body to furnace body, constantly rotating the elevating lever rotates the stirring flabellum, with
Convenient for the discharge of hydrogen and the floating of waste residue, to vacustat 10-5After Pa, stops synthesis elevating lever movement, will synthesize
Container lifts out melting kettle；
It is powered off to heater, so that melting kettle quickly solidifies, the Al-5%Ti-xB intermediate alloy ingot of preparation is taken out after to be solidified,
The dross for removing upper surface, can prepare Al-5%Ti-xB intermediate alloy ingot.
Preferred: the molar ratio of boron powder and titanium valve is 2:1-2 in the first alloy prefabricated section；In the second alloy prefabricated section
TiH2The molar ratio of powder and hydroboration titanium valve is 1-2:2, and it is 5%-30% that aluminium powder, which accounts for molar ratio,.
A further technical solution lies in: TiH2The drying temperature of the mixed-powder of powder, aluminium powder and hydroboration titanium valve is less than
200℃。
A further technical solution lies in: the smelting temperature of fine aluminium is 660 DEG C -1000 DEG C.
A further technical solution lies in: the aluminium alloy ingots preparation facilities includes furnace body, and the intracorporal lower part of furnace is set
It is equipped with melting kettle, aluminum feedstock is provided in the melting kettle, having heaters is arranged in the outside of the melting kettle, described to add
Hot device is provided with synthesis lifting for heating to the aluminum feedstock in melting kettle on the furnace body on the upside of the melting kettle
The upper end of bar, the synthesis elevating lever is located at outside the furnace body, and the lower end of the elevating lever is located in the furnace body, and the liter
The lower end of drop bar is provided with electric pulse device, and the lower end of the electric pulse device is provided with ignitor, and the synthesising container includes upper
Lid and lower cover, the upper cover are fixedly connected with lower cover, and heat conduction baffle are provided between the upper cover and the lower cover, it is thermally conductive every
The placement space of the first alloy prefabricated section is formed between plate and the upper cover, is set in the placement space of the first alloy prefabricated section
It is equipped with the first alloy prefabricated section, forms the placement space of the second alloy prefabricated section, institute between the heat conduction baffle and the lower cover
It states and is provided with the second alloy prefabricated section in the placement space of the second alloy prefabricated section, the lower end of the ignitor extends to first
It is contacted in alloy prefabricated section placement space and with the first alloy prefabricated section, several stirring fans is provided on the lower lid
Leaf, and jet port is provided on the lower lid of lower part, it is provided with protection cap on the synthesis elevating lever on the upside of the electric pulse device,
The protection cap is used to cover the upper cover of the melting kettle.
A further technical solution lies in: circumferentially shape is arranged on the periphery of the lower cover stirring flabellum.
A further technical solution lies in: exhaust outlet is provided on the furnace body.
A further technical solution lies in: vacuum orifice is provided on the furnace body.
A further technical solution lies in: the making material of the heat conduction baffle is tungsten, tantalum or graphite, is arranged thereon several
Aperture is for increasing thermal conductivity, and thickness is between 0.1mm-10mm.
A further technical solution lies in: it is provided with elevating lever driving device outside the furnace body, for driving the lifting
Bar carries out lifting and rotary motion.
The beneficial effects of adopting the technical scheme are that the method for the invention is in the mistake for preparing aluminium alloy ingots
Cheng Zhong, first by TiH2Powder, aluminium powder and hydroboration titanium valve are uniformly mixed and are pressed into the second alloy prefabricated section；By boron powder, titanium valve
And aluminium powder is pressed into the first alloy prefabricated section, and two kinds of blocks are placed or compressed together, ignite the first alloy prefabricated section
Afterwards, the heated TiH of the second alloy prefabricated section2Powder and hydroboration titanium valve decompose simultaneously further occurrence self-propagating reaction, and final second closes
Tiny TiB is formed by self-propagating reaction in golden prefabricated section2The formation moment of particle, hydrogeneous titanium aluminum melt and hydrogen, hydrogen produces
Raw high pressure, by TiB2Particle and hydrogeneous titanium aluminum melt drop are sprayed into melted melt in advance, by degassing processing,
After slagging-off, Al-5%Ti-xB intermediate alloy is formed.To sum up, the method is during preparing aluminium alloy ingots, it is possible to reduce
TiB2Particle size improves its disperse effect in intermediate alloy, while reducing the environmental pollution of fining agent preparation, Jin Erti
The high mechanical property of the aluminium alloy of preparation, this improves the intensity of the aluminum alloy doors and windows of preparation, and reduce environment dirt
Dye.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the flow chart of the method for the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of device described in the embodiment of the present invention；
Fig. 3 is schematic diagram of the device described in embodiment of the present invention during preparing aluminium alloy；
Wherein: 1: synthesis elevating lever；2: furnace body, 3: protection cap, 4: electric pulse device, 5: ignitor, 6: upper cover, 7: it is thermally conductive every
Plate, 8: lower cover；9: stirring flabellum, 10: jet port, 11: heater；12: melt, 13: melting kettle, 14: exhaust outlet,
15: vacuum orifice, 16: the first alloy prefabricated sections, 17: the first alloy prefabricated sections.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Figure 1, including the following steps: the embodiment of the invention discloses a kind of aluminum alloy doors and windows production method
Aluminium alloy ingots is prepared by aluminium alloy ingots preparation facilities；
Aluminium alloy ingots fusing is prepared into rods and bars of aluminium alloy；
After rods and bars of aluminium alloy is carried out ultrasonic cleaning, it is put into resistance furnace, makes its softening, can be extruded together machining；
Rods and bars of aluminium alloy after heating is put into the mold of single lead screw ex truding briquetting machine and carries out extrusion forming, obtains aluminum alloy base material；
Cooling Quenching is carried out to obtained aluminum alloy base material；
To the aluminum alloy base material after quenching treatment, using electrostatic spray, successively spraying protective layer, colored paint coating and varnish are applied
Layer, after the completion of each coating spraying, aluminum alloy base material is transferred in the baking oven of 170-200 DEG C of temperature, toasts 20 min-
30min is cooled to room temperature the preparation for completing aluminium alloy extrusions after drying；
According to the needs of aluminum alloy doors and windows size, the aluminium alloy extrusions of preparation is cut, uses the aluminium alloy type after cutting
Material prepares aluminum alloy doors and windows.
Further, the method for preparing aluminium alloy ingots is as follows:
It weighs boron powder and is mixed uniformly and is dried with titanium valve, uniformly mixed powder is pressed into the first alloy prefabricated section
16；
Weigh TiH2Powder, aluminium powder and hydroboration titanium valve are mixed uniformly and are dried, and uniformly mixed powder is pressed into
Second alloy prefabricated section 17；
First alloy prefabricated section 16 is placed into furnace body in the upper cover of synthesising container, the second alloy prefabricated section 17 is put into synthesis
In the lower cover 8 of container, and separated between the first alloy prefabricated section 16 and the second alloy prefabricated section 17 using heat conduction baffle 7；It will close
It tightens together at container upper cover 6 with synthesising container lower cover 8, is hung to igniting for synthesis 1 lower end of elevating lever in furnace body 2
On electrode, and contact ignitor directly with the first alloy prefabricated section；
Into the melting kettle 13 of furnace body, it is put into fine aluminium block, the heater 11 in 13 outside of starting melting kettle is heated to fine aluminium block,
Make its fusing；
Synthesising container is immersed in the melt 12 in melting kettle 13 by synthesizing elevating lever 1, as shown in figure 3, utilizing
Protection cap 3 on synthesis elevating lever covers melting kettle 13, while starting the electric pulse device 4 on the elevating lever, electric pulse device 4
It is ignited the first alloy prefabricated section 16 by ignitor 5, the first alloy prefabricated section 16 transfers heat to the second alloy prefabricated section
17, the TiH inside the fast reaction stage, the first alloy prefabricated section 172Powder and hydroboration titanium valve decompose to give off rapidly hydrogen, shape
At tiny nano titanium powder and boron powder, titanium valve and boron powder trigger self-propagating reaction at high temperature, form tiny TiB2Particle and
Boron particles；
Simultaneously under the instantaneous pressure of hydrogen, titanium aluminum melt carries TiB2Particle and boron particles are sprayed from the jet port on the lower lid
It injects in the melt in the crucible melted in advance, while starting the synthesis rotation of elevating lever 1 and carrying out stirring melt, make
Obtain TiB2Particle dispersion enters in melt；
It is vacuumized by the vacuum orifice 15 on furnace body to furnace body 2, constantly rotating the elevating lever revolves the stirring flabellum 9
Turn, in order to the discharge of hydrogen and the floating of waste residue, to vacustat 10-5After Pa, stops synthesis elevating lever 1 and moves,
Synthesising container is lifted into out melting kettle 13；
It is powered off to heater 11, so that melting kettle 13 quickly solidifies, takes out after to be solidified and closed among the Al-5%Ti-xB of preparation
Ingot removes the dross of upper surface, can prepare Al-5%Ti-xB intermediate alloy ingot.
Preferably, the molar ratio of boron powder and titanium valve is 2:1-2 in the first alloy prefabricated section；In the second alloy prefabricated section
TiH2The molar ratio of powder and hydroboration titanium valve is 1-2:2, and it is 5%-30% that aluminium powder, which accounts for molar ratio,.
As shown in Fig. 2, the aluminium alloy ingots preparation facilities includes furnace body 2, exhaust outlet 14 is provided on the furnace body 2, side
Being vented by exhaust outlet to outside furnace body just, it should be appreciated that be additionally provided with valve on the exhaust outlet；On the furnace body 2
It is provided with vacuum orifice 15, vacuum pumping is carried out to the furnace body by what the vacuum orifice can be convenient.The furnace body 2
Interior lower part is provided with melting kettle 13, and aluminum feedstock is provided in the melting kettle 13, and the outside of the melting kettle 13 is set
It is equipped with heater 11, the heater 11 is for heating the aluminum feedstock in melting kettle 13, on the melting kettle 13
Synthesis elevating lever 1 is provided on the furnace body 2 of side, the upper end of the synthesis elevating lever 1 is located at outside the furnace body 2, the elevating lever 1
Lower end be located in the furnace body 2, and the lower end of the elevating lever is provided with electric pulse device 4, is provided with lifting outside the furnace body 2
Rod driving device, for easily driving the elevating lever to carry out lifting and rotary motion as needed.
As shown in Fig. 2, the lower end of the electric pulse device 4 is provided with ignitor 5, the synthesising container includes 6 He of upper cover
Lower cover 8, the upper cover 6 is fixedly connected with lower cover 8, and heat conduction baffle 7 is provided between the upper cover 6 and the lower cover 8, thermally conductive
The placement space of the first alloy prefabricated section 16, the placement of the first alloy prefabricated section 16 are formed between partition 7 and the upper cover 6
The first alloy prefabricated section 16 is provided in space；The second alloy prefabricated section 17 is formed between the heat conduction baffle 7 and the lower cover 8
Placement space, be provided with the second alloy prefabricated section 17 in the placement space of the second alloy prefabricated section 17；The electricity that ignites
The lower end of pole 5 extends in the first alloy prefabricated section placement space and contacts with the first alloy prefabricated section 16, the lower cover 8
On be provided with several stirring flabellums 9, and jet port 10 is provided on the lower cover 8 of lower part, it is preferred that the stirring flabellum
9 circumferentially shape be arranged on the periphery of the lower cover 8；Protection cap is provided on the synthesis elevating lever 1 of 4 upside of electric pulse device
3, the protection cap 3 is used to cover the upper cover of the melting kettle 13.
Further, the making material of the heat conduction baffle 7 is tungsten, tantalum or graphite, and several apertures are arranged thereon for increasing
Add thermal conductivity, thickness is between 0.1mm-10mm.
The method of the invention is during preparing aluminium alloy ingots, first by TiH2Powder, aluminium powder and hydroboration titanium valve are mixed
It closes uniformly and is pressed into the second alloy prefabricated section；Boron powder, titanium valve and aluminium powder are pressed into the first alloy prefabricated section, and by two kinds of blocks
Body is placed or compressed together, and after the first alloy prefabricated section that ignites, the second alloy prefabricated section is heated TiH2Powder and hydroboration titanium
Powder decomposes and further occurrence self-propagating reaction, forms tiny TiB by self-propagating reaction in final second alloy prefabricated section2?
The formation moment of grain, hydrogeneous titanium aluminum melt and hydrogen, hydrogen generates high pressure, by TiB2Particle and the injection of hydrogeneous titanium aluminum melt drop
Into melt melted in advance, by degassing processing, after slagging-off, Al-5%Ti-xB intermediate alloy is formed.To sum up, described
Method is during preparing aluminium alloy ingots, it is possible to reduce TiB2Particle size improves its disperse effect in intermediate alloy,
The environmental pollution of fining agent preparation is reduced simultaneously, and then improves the mechanical property of the aluminium alloy of preparation, and this improves preparations
Aluminum alloy doors and windows intensity, and reduce environmental pollution.
Claims (10)
1. a kind of aluminum alloy doors and windows production method, it is characterised in that include the following steps:
Aluminium alloy ingots is prepared by aluminium alloy ingots preparation facilities；
Aluminium alloy ingots fusing is prepared into rods and bars of aluminium alloy；
After rods and bars of aluminium alloy is carried out ultrasonic cleaning, it is put into resistance furnace, makes its softening, can be extruded together machining；
Rods and bars of aluminium alloy after heating is put into the mold of single lead screw ex truding briquetting machine and carries out extrusion forming, obtains aluminum alloy base material；
Cooling Quenching is carried out to obtained aluminum alloy base material；
To the aluminum alloy base material after quenching treatment, using electrostatic spray, successively spraying protective layer, colored paint coating and varnish are applied
Layer, after the completion of each coating spraying, aluminum alloy base material is transferred in the baking oven of 170-200 DEG C of temperature, toasts 20 min-
30min is cooled to room temperature the preparation for completing aluminium alloy extrusions after drying；
According to the needs of aluminum alloy doors and windows size, the aluminium alloy extrusions of preparation is cut, uses the aluminium alloy type after cutting
Material prepares aluminum alloy doors and windows.
2. aluminum alloy doors and windows production method as described in claim 1, which is characterized in that the method for preparing aluminium alloy ingots is as follows:
It weighs boron powder and is mixed uniformly and is dried with titanium valve, uniformly mixed powder is pressed into the first alloy prefabricated section
(16)；
Weigh TiH2Powder, aluminium powder and hydroboration titanium valve are mixed uniformly and are dried, and uniformly mixed powder is pressed into the
Two alloy prefabricated sections (17)；
First alloy prefabricated section (16) is placed into furnace body in the upper cover of synthesising container, the second alloy prefabricated section (17) is put into
In the lower cover (8) of synthesising container, and heat conduction baffle is utilized between the first alloy prefabricated section (16) and the second alloy prefabricated section (17)
(7) it separates；Synthesising container upper cover (6) is tightened together with synthesising container lower cover (8), the conjunction being hung in furnace body (2)
On ignitor at elevating lever (1) lower end, and contact ignitor directly with the first alloy prefabricated section；
Into the melting kettle (13) of furnace body, it is put into fine aluminium block, the heater (11) on the outside of starting melting kettle (13) gives fine aluminium
Block heating, makes its fusing；
Synthesising container is immersed in the melt (12) in melting kettle (13) Nei by synthesizing elevating lever (1), utilizes synthesis
Protection cap (3) on elevating lever covers melting kettle (13), while starting the electric pulse device (4) on the elevating lever, electric pulse
Device (4) is ignited the first alloy prefabricated section (16) by ignitor (5), and the first alloy prefabricated section (16) transfers heat to second
Alloy prefabricated section (17), in the fast reaction stage, the internal TiH of the first alloy prefabricated section (17)2Powder and hydroboration titanium valve are rapid
Hydrogen is decomposed to give off, tiny nano titanium powder and boron powder are formed, titanium valve and boron powder trigger self-propagating reaction at high temperature, are formed thin
Small TiB2Particle and boron particles；
Simultaneously under the instantaneous pressure of hydrogen, titanium aluminum melt carries TiB2Particle and boron particles are sprayed from the jet port on the lower lid
It injects in the melt in the crucible melted in advance, while starting synthesis elevating lever (1) rotation and carrying out stirring melt,
So that TiB2Particle dispersion enters in melt；
It is vacuumized by the vacuum orifice (15) on furnace body to furnace body (2), constantly rotating the elevating lever makes the stirring flabellum
(9) it rotates, in order to the discharge of hydrogen and the floating of waste residue, to vacustat 10-5After Pa, stop synthesis elevating lever
(1) it moves, synthesising container is lifted into out melting kettle (13)；
It powers off to heater (11), so that melting kettle (13) quickly solidifies, is taken out in the Al-5%Ti-xB of preparation after to be solidified
Between alloy pig, remove the dross of upper surface, Al-5%Ti-xB intermediate alloy ingot can be prepared.
3. aluminum alloy doors and windows production method as claimed in claim 2, it is characterised in that: boron powder and titanium in the first alloy prefabricated section
The molar ratio of powder is 2:1-2；TiH in the second alloy prefabricated section2The molar ratio of powder and hydroboration titanium valve is 1-2:2, aluminium powder
Accounting for molar ratio is 5%-30%.
4. aluminum alloy doors and windows production method as claimed in claim 2, it is characterised in that: TiH2Powder, aluminium powder and hydroboration titanium valve
The drying temperature of mixed-powder is less than 200 DEG C.
5. aluminum alloy doors and windows production method as claimed in claim 2, it is characterised in that: the smelting temperature of fine aluminium be 660 DEG C-
1000℃。
6. aluminum alloy doors and windows production method as claimed in claim 2, it is characterised in that: the aluminium alloy ingots preparation facilities includes
Furnace body (2), the lower part in the furnace body (2) are provided with melting kettle (13), are provided with aluminum feedstock in the melting kettle (13),
Having heaters (11) are arranged in the outside of the melting kettle (13), and the heater (11) is used for the aluminium in melting kettle (13)
Raw material is heated, and synthesis elevating lever (1), the synthesis lifting are provided on the furnace body (2) on the upside of the melting kettle (13)
The upper end of bar (1) is located at the furnace body (2) outside, and the lower end of the elevating lever (1) is located in the furnace body (2), and the lifting
The lower end of bar is provided with electric pulse device (4), and the lower end of the electric pulse device (4) is provided with ignitor (5), the synthesising container
Including upper cover (6) and lower cover (8), the upper cover (6) is fixedly connected with lower cover (8), and the upper cover (6) and the lower cover (8)
Between be provided with heat conduction baffle (7), putting for first alloy prefabricated section (16) is formed between heat conduction baffle (7) and the upper cover (6)
Between emptying, be provided with the first alloy prefabricated section (16) in the placement space of the first alloy prefabricated section (16), it is described it is thermally conductive every
The placement space of the second alloy prefabricated section (17), the second alloy prefabricated section (17) are formed between plate (7) and the lower cover (8)
Placement space in be provided with the second alloy prefabricated section (17), it is prefabricated that the lower end of the ignitor (5) extends to the first alloy
It is contacted in block placement space and with the first alloy prefabricated section (16), several stirring flabellums is provided on the lower cover (8)
(9), it and on the lower cover (8) of lower part is provided with jet port (10), the synthesis elevating lever (1) on the upside of the electric pulse device (4)
On be provided with protection cap (3), the protection cap (3) is used to cover the upper covers of the melting kettle (13).
7. aluminum alloy doors and windows production method as claimed in claim 6, it is characterised in that: the stirring flabellum (9) circumferentially shape
It is arranged on the periphery of the lower cover (8).
8. aluminum alloy doors and windows production method as claimed in claim 6, it is characterised in that: be provided with exhaust on the furnace body (2)
Mouth (14)；Vacuum orifice (15) are provided on the furnace body (2).
9. aluminum alloy doors and windows production method as claimed in claim 6, it is characterised in that: the production material of the heat conduction baffle (7)
Material is tungsten, tantalum or graphite, several apertures is arranged thereon for increasing thermal conductivity, thickness is between 0.1mm-10mm.
10. aluminum alloy doors and windows production method as claimed in claim 6, it is characterised in that: be provided with lifting outside the furnace body (2)
Rod driving device, for driving the elevating lever to carry out lifting and rotary motion.
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