CN102407297A - Method for manufacturing aluminum alloy composite round billet - Google Patents
Method for manufacturing aluminum alloy composite round billet Download PDFInfo
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- CN102407297A CN102407297A CN2011103842277A CN201110384227A CN102407297A CN 102407297 A CN102407297 A CN 102407297A CN 2011103842277 A CN2011103842277 A CN 2011103842277A CN 201110384227 A CN201110384227 A CN 201110384227A CN 102407297 A CN102407297 A CN 102407297A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 239000000155 melt Substances 0.000 claims abstract description 4
- 238000007872 degassing Methods 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract description 13
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明涉及一种制造铝合金复合圆锭坯的方法，属于铝合金加工技术领域。 The invention relates to a method for manufacturing an aluminum alloy composite round billet, belonging to the technical field of aluminum alloy processing.
背景技术 Background technique
目前用于制造铝合金复合管的复合锭坯一般是通过机械装配制备的，即分别铸造出外层铝合金和芯材铝合金棒坯，再将外层铝合金棒坯挤压制备出管坯，通过热盈法或其他方法把芯材合金棒套入外层合金管坯制备出复合锭坯。该方法加工工序多、成本相对较高，并且内外层铝合金装配时必然存在有缝隙，缝隙中残留的空气会影响复合锭坯后续的挤压和拉拔质量。 At present, the composite ingots used to manufacture aluminum alloy composite pipes are generally prepared by mechanical assembly, that is, the outer aluminum alloy and the core aluminum alloy rods are respectively cast, and then the outer aluminum alloy rods are extruded to prepare the tube blanks. The composite ingot is prepared by inserting the core material alloy rod into the outer layer alloy tube blank by heat shrink method or other methods. This method has many processing steps and relatively high cost, and there must be gaps when the inner and outer aluminum alloys are assembled, and the residual air in the gaps will affect the subsequent extrusion and drawing quality of the composite ingot.
发明内容 Contents of the invention
本发明的目的是克服现有技术存在的不足，提供一种制造铝合金复合圆锭坯的方法，能减少内外层合金间残留气体。 The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a method for manufacturing an aluminum alloy composite round ingot, which can reduce the residual gas between the inner and outer layer alloys.
本发明的目的通过以下技术方案来实现： The purpose of the present invention is achieved through the following technical solutions:
制造铝合金复合圆锭坯的方法，包括以下步骤： A method for manufacturing an aluminum alloy composite round ingot, comprising the following steps:
1）将外层铝合金在熔化炉内熔化并经除气除渣处理后在690~740℃温度范围内保温静置； 1) Melt the outer layer of aluminum alloy in a melting furnace, and after degassing and slag removal, keep it in the temperature range of 690~740°C;
2）将芯材铝合金棒加热至200~610℃后放置于预热的模具内，并通过模具内底座进行对中控制； 2) Heat the core aluminum alloy rod to 200~610°C and place it in the preheated mold, and control the centering through the inner base of the mold;
3）将细化处理后的铝合金熔体通过导流装置注入模具内，待合金熔体均匀、完全包覆住芯材合金棒后停止浇注； 3) Inject the thinned aluminum alloy melt into the mold through the diversion device, and stop pouring after the alloy melt evenly and completely covers the core alloy rod;
4）等熔体完全凝固后打开模具取出铸锭，获得铝合金复合圆锭坯。 4) After the melt is completely solidified, open the mold and take out the ingot to obtain an aluminum alloy composite round ingot.
进一步地，上述的制造铝合金复合圆锭坯的方法，所述芯材铝合金棒是实心棒坯或空心棒坯。 Furthermore, in the above-mentioned method for manufacturing an aluminum alloy composite round billet, the aluminum alloy rod as the core material is a solid billet or a hollow billet.
本发明技术方案突出的实质性特点和显著的进步主要体现在： The outstanding substantive features and remarkable progress of the technical solution of the present invention are mainly reflected in:
本发明工艺制造的铝合金复合圆锭坯其内外层厚度分布均匀，结合紧密；而且可通过重复操作，连续批量的进行复合锭的制造。无需改动现有铸造设备或添加其他设备，并能减少机械装配带来的工序，克服内外层之间气体残留的问题，有效提高生产效率和降低生产成本。该技术不受合金品种限制，可制造出各种铝合金组合的复合圆锭坯，通过后续挤压、拉拔等工序制备成铝合金复合管后可用于汽车、空调、冰箱等的热交换部件。 The thickness of the inner and outer layers of the aluminum alloy composite round ingot produced by the process of the invention is evenly distributed and closely combined; and the composite ingot can be manufactured in batches continuously through repeated operations. There is no need to change the existing casting equipment or add other equipment, and can reduce the process brought by mechanical assembly, overcome the problem of gas residue between the inner and outer layers, effectively improve production efficiency and reduce production costs. This technology is not limited by the variety of alloys, and can produce composite round ingots of various aluminum alloy combinations, which can be used for heat exchange parts of automobiles, air conditioners, refrigerators, etc. after being prepared into aluminum alloy composite tubes through subsequent extrusion, drawing and other processes .
附图说明 Description of drawings
下面结合附图对本发明技术方案作进一步说明： Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:
图1为实施例1复合圆锭坯的剖面示意图；
Fig. 1 is the schematic sectional view of
图2为实施例2复合圆锭坯的剖面示意图。 Fig. 2 is a schematic cross-sectional view of the composite round ingot in Example 2.
具体实施方式 Detailed ways
本发明制造铝合金复合圆锭坯的具体工艺为： The concrete technology that the present invention manufactures aluminum alloy composite round billet is:
1）将外层铝合金按一定成分比例配好后在熔化炉内熔化并经除气除渣处理后在690~740℃温度范围内保温静置； 1) The outer aluminum alloy is prepared according to a certain composition ratio, melted in the melting furnace, degassed and slag-removed, and then kept at a temperature range of 690~740°C;
2）将芯材铝合金棒加热至200~610℃后通过人工或机械手放置于预热的模具内，并通过模具内底座和导流装置进行对中控制； 2) Heat the core aluminum alloy rod to 200~610°C and place it in the preheated mold manually or by a robot, and control the centering through the inner base of the mold and the flow guide device;
3）将细化处理后的铝合金熔体通过导流装置注入模具内，待合金熔体均匀、完全包覆住芯材合金棒后停止浇注； 3) Inject the thinned aluminum alloy melt into the mold through the diversion device, and stop pouring after the alloy melt evenly and completely covers the core alloy rod;
4）等熔体完全凝固后打开模具取出铸锭，获得铝合金复合圆锭坯。 4) After the melt is completely solidified, open the mold and take out the ingot to obtain an aluminum alloy composite round ingot.
芯材铝合金棒是实心棒坯或空心棒坯，内外层合金种类选择广泛，可根据不同场合要求制造成各种铝合金组合的复合圆锭坯。 The core aluminum alloy rod is a solid billet or a hollow billet. There are a wide range of alloys for the inner and outer layers. It can be manufactured into composite round ingots with various aluminum alloy combinations according to different occasions.
实施例1： Example 1:
先将外层铝合金熔化、精炼处理后在690℃静置保温，并将芯材铝合金实心棒在热处理炉内预热至200℃保温一段时间；取出预热的铝合金棒放于模具内的底座上，并做好对中控制，使棒坯与模具内壁留有15mm的均匀空隙；再将细化处理后的铝液通过预热的导流系统均匀的进入模具内，完全包覆在模具内的铝合金棒四周，直至铝液填满模具内的空隙；待模具内的铝液凝固后打开模具取出铸锭，铝合金复合圆锭坯制造完成。如图1所示，制备的铝合金复合圆锭坯，包括外层铝合金1和内层铝合金2，内层铝合金2为实心棒坯。
First melt and refine the outer layer of aluminum alloy and then keep it at 690°C for heat preservation, and preheat the core aluminum alloy solid rod to 200°C in a heat treatment furnace for a period of time; take out the preheated aluminum alloy rod and put it in the mold on the base, and do a good job of centering control, so that there is a uniform gap of 15mm between the billet and the inner wall of the mold; then the refined aluminum liquid enters the mold evenly through the preheated diversion system, and is completely covered in the mold. Around the aluminum alloy rod in the mold, until the aluminum liquid fills the gap in the mold; after the aluminum liquid in the mold solidifies, open the mold and take out the ingot, and the aluminum alloy composite round ingot is manufactured. As shown in FIG. 1 , the prepared aluminum alloy composite round billet includes an outer layer of
实施例2： Example 2:
将外层铝合金熔化、精炼处理后在740℃静置保温，并将芯材铝合金空心棒在热处理炉内预热至610℃保温一段时间；取出预热的棒坯放于模具内的底座上，并做好对中控制，使棒坯与模具内壁留有5mm的均匀空隙；再将细化处理后的铝液通过预热的导流系统均匀的进入模具内，完全包覆在铝合金棒四周，直至填满模具内的空隙；待模具内的铝液凝固后打开模具取出铸锭，铝合金复合圆锭坯制造完成。如图2所示，制备的铝合金复合圆锭坯，包括外层铝合金1和内层铝合金2，内层铝合金2为空心棒坯。
Melt and refine the outer layer of aluminum alloy and keep it at 740°C for heat preservation, and preheat the core aluminum alloy hollow rod to 610°C in a heat treatment furnace for a period of time; take out the preheated billet and place it on the base of the mold and do a good job of centering control, so that there is a uniform gap of 5mm between the billet and the inner wall of the mold; then the refined aluminum liquid enters the mold evenly through the preheated diversion system, and is completely coated on the aluminum alloy Around the rod, until the gap in the mold is filled; after the molten aluminum in the mold is solidified, the mold is opened to take out the ingot, and the aluminum alloy composite round ingot is manufactured. As shown in FIG. 2 , the prepared aluminum alloy composite round billet includes an outer layer of
综上所述，本发明工艺制造的铝合金复合圆锭坯其内外层厚度分布均匀，结合紧密；而且可通过重复操作，连续批量的进行复合锭的制造。无需改动现有铸造设备或添加其他设备，并能减少机械装配带来的工序，克服内外层之间气体残留的问题，有效提高生产效率和降低生产成本。该技术不受合金品种限制，可制造出各种铝合金组合的复合圆锭坯，通过后续挤压、拉拔等工序制备成铝合金复合管后可用于汽车、空调、冰箱等的热交换部件。 To sum up, the thickness of the inner and outer layers of the aluminum alloy composite round ingot manufactured by the process of the present invention is evenly distributed and tightly bonded; moreover, the composite ingot can be manufactured in batches continuously through repeated operations. There is no need to change the existing casting equipment or add other equipment, and can reduce the process brought by mechanical assembly, overcome the problem of gas residue between the inner and outer layers, effectively improve production efficiency and reduce production costs. This technology is not limited by the variety of alloys, and can produce composite round ingots of various aluminum alloy combinations, which can be used for heat exchange parts of automobiles, air conditioners, refrigerators, etc. after being prepared into aluminum alloy composite tubes through subsequent extrusion, drawing and other processes .
需要理解到的是：以上所述仅是本发明的优选实施方式，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。 It should be understood that: the above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the protection scope of the present invention.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464727A (en) * | 2013-09-18 | 2013-12-25 | 太原理工大学 | Preparation method of enhanced magnesium alloy block coated magnesium alloy rod |
| CN103706665A (en) * | 2013-12-09 | 2014-04-09 | 天津钢管集团股份有限公司 | Method for manufacturing bimetal composite pipe by cross piercing process |
| CN103769561A (en) * | 2014-01-22 | 2014-05-07 | 北京科技大学 | Titanium/aluminum solid-liquid composite casting forming method |
| CN104259433A (en) * | 2014-09-12 | 2015-01-07 | 北京科技大学 | Casting method for improving plasticity and toughness of titanium/aluminum solid-liquid composite interfaces |
| CN104353793A (en) * | 2014-11-26 | 2015-02-18 | 广东省工业技术研究院(广州有色金属研究院) | Liquid and solid phase casting method for laminar composite aluminum ingot |
| CN110779375A (en) * | 2019-11-01 | 2020-02-11 | 郑州机械研究所有限公司 | Aluminum alloy composite pipe for radiator manufacturing and preparation method thereof |
| CN111390141A (en) * | 2020-03-20 | 2020-07-10 | 辽宁科技大学 | Preparation method of double-layer or multi-layer metal composite pipe rod parison |
| CN113843381A (en) * | 2021-08-21 | 2021-12-28 | 南京理工大学 | A kind of heterogeneous aluminum-magnesium alloy bar and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464727A (en) * | 2013-09-18 | 2013-12-25 | 太原理工大学 | Preparation method of enhanced magnesium alloy block coated magnesium alloy rod |
| CN103706665A (en) * | 2013-12-09 | 2014-04-09 | 天津钢管集团股份有限公司 | Method for manufacturing bimetal composite pipe by cross piercing process |
| CN103769561A (en) * | 2014-01-22 | 2014-05-07 | 北京科技大学 | Titanium/aluminum solid-liquid composite casting forming method |
| CN103769561B (en) * | 2014-01-22 | 2017-01-04 | 北京科技大学 | A kind of titanium/aluminum solid-liquid compound casting molding method |
| CN104259433A (en) * | 2014-09-12 | 2015-01-07 | 北京科技大学 | Casting method for improving plasticity and toughness of titanium/aluminum solid-liquid composite interfaces |
| CN104353793A (en) * | 2014-11-26 | 2015-02-18 | 广东省工业技术研究院(广州有色金属研究院) | Liquid and solid phase casting method for laminar composite aluminum ingot |
| CN104353793B (en) * | 2014-11-26 | 2016-06-29 | 广东省工业技术研究院(广州有色金属研究院) | A kind of liquid-solid phase casting method of lamellar composite aluminium ingot |
| CN110779375A (en) * | 2019-11-01 | 2020-02-11 | 郑州机械研究所有限公司 | Aluminum alloy composite pipe for radiator manufacturing and preparation method thereof |
| CN111390141A (en) * | 2020-03-20 | 2020-07-10 | 辽宁科技大学 | Preparation method of double-layer or multi-layer metal composite pipe rod parison |
| CN113843381A (en) * | 2021-08-21 | 2021-12-28 | 南京理工大学 | A kind of heterogeneous aluminum-magnesium alloy bar and preparation method thereof |
| CN113843381B (en) * | 2021-08-21 | 2024-04-23 | 南京理工大学 | Heterogeneous aluminum magnesium alloy bar and preparation method thereof |
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Application publication date: 20120411 |