CN102398008A - Method for preparing aluminum alloy composite round ingot blank - Google Patents
Method for preparing aluminum alloy composite round ingot blank Download PDFInfo
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- CN102398008A CN102398008A CN2011103842741A CN201110384274A CN102398008A CN 102398008 A CN102398008 A CN 102398008A CN 2011103842741 A CN2011103842741 A CN 2011103842741A CN 201110384274 A CN201110384274 A CN 201110384274A CN 102398008 A CN102398008 A CN 102398008A
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Abstract
The invention provides a method for preparing an aluminum alloy composite round ingot blank, which comprises: melting and refining outer aluminum alloy, preheating a cylindrical core aluminum alloy rod blank in a heat treatment furnace to a temperature between room temperature and 600 DEG C, and keeping the temperature; taking out the preheated cylindrical core aluminum alloy rod blank, placing the preheated cylindrical core aluminum alloy rod blank on a base of dummy ingot equipment from a crystallizer, and aligning; allowing the molten aluminum at 700 to 800 DEG C to enter the crystallizer uniformly from a preheated runner and a split plate to cover the cylindrical core aluminum alloy rod blank in the crystallizer completely; and starting to casting continuously when the molten aluminum to be crystallized in a crystallizing area solidifies, and finally preparing the aluminum alloy composite round ingot blank. In the invention, the process is simple, the thickness distribution of the aluminum alloy on the outer layer of the aluminum alloy composite round ingot blank is uniformly, the outer aluminum alloy is tightly combined with inner alloy without any gap in between, the need of changing the conventional casting equipment is obviated, the steps for machine assembly are reduced, the problem of air residual between the inner and outer layers is solved, the production efficiency can be improved effectively, and production cost can be reduced effectively.
Description
Technical field
The present invention relates to a kind of preparation method of aluminium alloy compound billet base, belong to the aluminum alloy processing technology field.
Background technology
The compound ingot blank that is used at present make aluminum alloy composite pipe is generally through machinery assembling preparation; Promptly prepare earlier outer aluminium alloy pipe and core aluminium alloy bars base respectively; Again the core alloy bar is put into the outer layer alloys pipe, be fixed together outer layer alloys pipe and core alloy bar through heat expansion method or additive method.This method manufacturing procedure is many, cost is high, and the assembling of ectonexine aluminium alloy the time certainly existed the slit, and residual air can influence follow-up extruding of compound ingot blank and drawing quality in the slit.And the length of machining assembling ingot blank receives the machining equipment restriction, and production efficiency is lower.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of preparation method of aluminium alloy compound billet base is provided, overcome the problem of residual gas between the ectonexine alloy and ingot blank length limited system.
The object of the invention is realized through following technical scheme:
The preparation method of aluminium alloy compound billet base, characteristics are: outer aluminum alloy melt is coated on the cylindrical core material aluminium alloy bars base, prepares compound billet base through semi-continuous casting; Comprise following processing step:
1), and cylindrical core material aluminium alloy bars base is preheated to room temperature～600 ℃, insulation in heat-treatment furnace with outer aluminum alloy melting, refining;
2) the cylindrical core material aluminium alloy bars base that takes out preheating passes on the base that crystallizer is put in dummy ingot equipment, and centering; Chute and the shunting disk of 700 ~ 780 ℃ aluminium liquid through preheating got in the crystallizer uniformly, envelope the cylindrical core material aluminium alloy bars base in the crystallizer fully;
Begin semi-continuous casting when 3) district to be crystallized aluminium liquid solidifies, prepare aluminium alloy compound billet base at last.
Further, the preparation method of above-mentioned aluminium alloy compound billet base wherein, handles its cleaning surfaces before the preheating of said cylindrical core material aluminium alloy bars base.
Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:
Technology of the present invention is simple; The outer thickness of aluminum alloy of the aluminium alloy compound billet base of preparing is evenly distributed; And combine closely with inner alloy, tight exists, and need not to change existing Casting Equipment; Can reduce machinery and assemble operation of bringing and the problem that overcomes gas residue between the ectonexine, effectively enhance productivity and reduce production costs.And this technology is not limited by the alloy kind, prepares the compound billet base of various aluminium alloys combination, is prepared into the heat-exchanging part that is used for air-conditioning, refrigerator etc. behind the aluminum alloy composite pipe through operations such as follow-up extruding, drawings, and other applications.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1 is the generalized section of embodiment 1 compound billet base;
Fig. 2 is the generalized section of embodiment 2 compound billet bases.
The specific embodiment
The preparation method of aluminium alloy compound billet base of the present invention is coated on outer aluminum alloy melt on the cylindrical core material aluminium alloy bars base, prepares compound billet base through semi-continuous casting; Earlier with outer aluminum alloy melting, refining, and cylindrical core material aluminium alloy bars base is preheated to room temperature～600 ℃, insulation in heat-treatment furnace; The cylindrical core material aluminium alloy bars base that takes out preheating passes on the base that crystallizer is put in dummy ingot equipment, and centering; Chute and the shunting disk of 700 ~ 780 ℃ aluminium liquid through preheating got in the crystallizer uniformly, envelope the cylindrical core material aluminium alloy bars base in the crystallizer fully; District to be crystallized aluminium liquid begins semi-continuous casting when solidifying, and prepares aluminium alloy compound billet base at last.
Cylindrical core material aluminium alloy bars base can be the solid bar base, also can be the hollow bar base.The ectonexine alloy species is selected extensively, can be used for the soldering occasion in the time of can selecting the Al-Si alloy for use according to compound billet base, especially outer layer alloys that different occasions requirements are prepared into various aluminium alloys combinations.Clean need be carried out in cylindrical core material aluminium alloy bars surface, and Roughness Surface on Control is reasonable.
Embodiment 1:
In heat-treatment furnace, be preheated to 600 ℃ of insulation a period of times earlier with outer aluminum alloy melting, refining treatment, and with cylindrical core material aluminum alloy solid rod; The cylindrical core material aluminum alloy solid rod that takes out preheating passes on the base that crystallizer is put in dummy ingot equipment, and carries out centering control; Again 700 ℃ aluminium liquid chute and the shunting disk through preheating got in the crystallizer uniformly, envelope the cylindrical core material aluminum alloy solid rod in the crystallizer fully; District to be crystallized aluminium liquid begins semi-continuous casting when solidifying, and prepares aluminium alloy compound billet base at last.As shown in Figure 1, the aluminium alloy compound billet base of preparation comprises outer aluminium alloy 1 and cylindrical core material aluminium alloy 2, and cylindrical core material aluminium alloy 2 is the solid bar base.
Embodiment 2:
After outer aluminum alloy melting, refining treatment, earlier room temperature attitude core aluminium alloy hollow bar is passed on the base that crystallizer is put in dummy ingot equipment, and carry out centering control; Again 780 ℃ aluminium liquid chute and the shunting disk through preheating got in the crystallizer uniformly, envelope the core aluminium alloy hollow bar in the crystallizer fully; District to be crystallized aluminium liquid begins semi-continuous casting when solidifying, and prepares aluminium alloy compound billet base at last.As shown in Figure 2, aluminium alloy compound billet base comprises outer aluminium alloy 1 and cylindrical core material aluminium alloy 2, and cylindrical core material aluminium alloy 2 is the hollow bar base.
In sum; Preparation method's technology of the present invention is simple, and the outer thickness of aluminum alloy of the aluminium alloy compound billet base of preparing is evenly distributed, and combines closely with inner alloy; Tight exists; Need not to change existing Casting Equipment, can reduce machinery and assemble operation of bringing and the problem that overcomes gas residue between the ectonexine, effectively enhance productivity and reduce production costs.And this technology is not limited by the alloy kind, prepares the compound billet base of various aluminium alloys combination, is prepared into the heat-exchanging part that is used for air-conditioning, refrigerator etc. behind the aluminum alloy composite pipe through operations such as follow-up extruding, drawings, and other applications.
What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (2)
1. the preparation method of aluminium alloy compound billet base is characterized in that: outer aluminum alloy melt is coated on the cylindrical core material aluminium alloy bars base, prepares compound billet base through semi-continuous casting; Comprise following processing step:
1), and cylindrical core material aluminium alloy bars base is preheated to room temperature～600 ℃, insulation in heat-treatment furnace with outer aluminum alloy melting, refining;
2) the cylindrical core material aluminium alloy bars base that takes out preheating passes on the base that crystallizer is put in dummy ingot equipment, and centering; Chute and the shunting disk of 700 ~ 780 ℃ aluminium liquid through preheating got in the crystallizer uniformly, envelope the cylindrical core material aluminium alloy bars base in the crystallizer fully;
Begin semi-continuous casting when 3) district to be crystallized aluminium liquid solidifies, prepare aluminium alloy compound billet base at last.
2. the preparation method of aluminium alloy compound billet base according to claim 1 is characterized in that: before the preheating of said cylindrical core material aluminium alloy bars base its cleaning surfaces is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103842741A CN102398008A (en) | 2011-11-28 | 2011-11-28 | Method for preparing aluminum alloy composite round ingot blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103842741A CN102398008A (en) | 2011-11-28 | 2011-11-28 | Method for preparing aluminum alloy composite round ingot blank |
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| CN102398008A true CN102398008A (en) | 2012-04-04 |
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| CN2011103842741A Pending CN102398008A (en) | 2011-11-28 | 2011-11-28 | Method for preparing aluminum alloy composite round ingot blank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843298A (en) * | 2021-09-26 | 2021-12-28 | 武汉理工大学 | Preparation method of Kovar alloy wrapped Cu core composite bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032442A1 (en) * | 1980-01-10 | 1981-07-22 | Olin Corporation | Electromagnetic casting apparatus and process |
| CN1034688A (en) * | 1988-01-11 | 1989-08-16 | 兰克西敦技术公司 | Produce the method for metal-base composites |
| CN1396018A (en) * | 2002-08-20 | 2003-02-12 | 江苏兴荣高新科技股份有限公司 | Technology for conticasting pipe blank with expendable mandrel |
| CN1396017A (en) * | 2002-08-20 | 2003-02-12 | 江苏兴荣高新科技股份有限公司 | Technology for conticasting composite hollow pipe blank |
| CN1852783A (en) * | 2003-06-24 | 2006-10-25 | 诺维尔里斯公司 | Method for casting composite ingot |
-
2011
- 2011-11-28 CN CN2011103842741A patent/CN102398008A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032442A1 (en) * | 1980-01-10 | 1981-07-22 | Olin Corporation | Electromagnetic casting apparatus and process |
| CN1034688A (en) * | 1988-01-11 | 1989-08-16 | 兰克西敦技术公司 | Produce the method for metal-base composites |
| CN1396018A (en) * | 2002-08-20 | 2003-02-12 | 江苏兴荣高新科技股份有限公司 | Technology for conticasting pipe blank with expendable mandrel |
| CN1396017A (en) * | 2002-08-20 | 2003-02-12 | 江苏兴荣高新科技股份有限公司 | Technology for conticasting composite hollow pipe blank |
| CN1852783A (en) * | 2003-06-24 | 2006-10-25 | 诺维尔里斯公司 | Method for casting composite ingot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843298A (en) * | 2021-09-26 | 2021-12-28 | 武汉理工大学 | Preparation method of Kovar alloy wrapped Cu core composite bar |
| CN113843298B (en) * | 2021-09-26 | 2024-01-16 | 武汉理工大学 | Preparation method of Kovar alloy coated Cu core composite bar |
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Application publication date: 20120404 |