CN104209486A - Magnesium alloy round billet continuous casting device and process - Google Patents
Magnesium alloy round billet continuous casting device and process Download PDFInfo
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- CN104209486A CN104209486A CN201410327818.4A CN201410327818A CN104209486A CN 104209486 A CN104209486 A CN 104209486A CN 201410327818 A CN201410327818 A CN 201410327818A CN 104209486 A CN104209486 A CN 104209486A
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Abstract
The invention discloses a magnesium alloy round billet continuous casting device and process. A crystallizer vibration device is adopted to improve the demolding effect between the surface of a casting blank and the inner wall of a crystallizer; a casting blank pulling and feeding clamping machine is adopted, so that a dummy ingot can be fed into the crystallizer, and casting blanks can be continuously pulled out of the crystallizer; a casting blank cutting device is adopted, so that the casting blank can be separated from a continuous casting blank; a casting blank tilting and conveying machine is adopted, so that the casting blank which is separated from the continuous casting blank can be overturned to an elevating removing position; a casting blank elevating, receiving and feeding unit is adopted, so that the casting blank can be elevated to a blank discharging moving position on the horizontal plane, is received by the tilting and conveying machine, and can be conveyed to a subsequent casting blank moving roller way; the casting blank elevating, receiving and feeding unit is adopted, so that the casting blank can be elevated to the blank discharging moving position on the horizontal plane; the casting blank moving roller way is adopted, so that the casting blank can be conveyed to a casting blank blanking position, and a basis is laid for the blanking of the casting blank. By adopting the magnesium alloy round billet continuous casting device and process, magnesium alloy round billets of which the diameters are over 300 millimeters can be produced, continuous casting is realized, and the production efficiency is increased.
Description
Technical field
The present invention relates to metallurgy industry magnesium alloy cast technical field, be specifically related to a kind of magnesium alloy circle base continuous casting apparatus and technique.
Background technology
Adopt method cast magnesium alloy circle base that is semicontinuous or die casting at present both at home and abroad, the relative die casting of D.C.casting technology, although efficiency increases, but D.C.casting can not continuous seepage, use for reference aluminium alloy D.C.casting technology and derivative technology, that magnesium alloy liquation is injected the ingot mould closed, ingot mould height is generally between 110 ~ 250mm, after magnesium alloy liquation solidifies the thicker base shell of formation in ingot mould, rely on the dummy ingot pallet holder of shutoff below ingot mould magnesium alloy strand slowly to move down, move down speed generally at below 0.15m/min, after moving down into certain length, stop injecting liquation in mold, and remove mold, after the slab cooling be shaped to design temperature, strand is slowly raised to top by pallet, traveling crane is utilized to walk strand.Because casting process is interrupted to carry out, so be D.C.casting technology.In D.C.casting process, because magnesium metalline is active, require higher to gas barrier such as the oxygen contained in air, steam, in the reciprocating movement of mold, just bring much production dangerous.Mold heights is little, and magnesium alloy liquation cooling velocity in mold is restricted, and governs the raising of casting speed, and then affects the raising of magnesium alloy strand efficiency.
Taking which type of technique, promote the production efficiency of magnesium alloy circle base, is one of Main way of studying of insider.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of this invention is to provide a kind of magnesium alloy circle base continuous casting apparatus and technique, the magnesium alloy circle base of more than diameter 300mm can be produced, promote the production efficiency of magnesium alloy circle base.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of magnesium alloy circle base continuous casting apparatus, comprise magnesium alloy smelting and melt feed system and casting of magnesium alloy manufacturing system, described magnesium alloy smelting and melt feed system comprise magnesium alloy melting furnace 1, magnesium liquid carrier pipe 2, holding furnace 3, tundish 4, crystallizer protecting device 5, magnesium alloy melting furnace 1 is exported and is connected with holding furnace 3 entrance by magnesium liquid carrier pipe 2, holding furnace 3 outlet is connected with tundish 4 entrance, tundish 4 exports and crystallizer 6 connection suitable for reading, and crystallizer 6 is suitable for reading is also provided with crystallizer protecting device 5, described casting of magnesium alloy manufacturing system comprises crystallizer 6, mould vibration device 7, strand draws and send clamping machine 8, strand shearing device 9, strand is tumbled and conveyer 10, strand promotes and conveying unit 11, strand transfer roller-way 12, the bottom of crystallizer 6 is connected with mould vibration device 7, crystallizer 6 bottom inlet and strand draw and send clamping machine 8 to be connected, strand draws and send the side of clamping machine 8 to be provided with strand shearing device 9, strand draws and send the below of clamping machine 8 to be provided with strand to tumble and conveyer 10, strand is tumbled and to be connected with strand with the side of conveyer 10 and to promote and conveying unit 11, strand lifting is transferred roller-way 12 with conveying unit 11 and strand and is connected.
The continuous casting process of described device, comprises the following steps:
1) dummy bar is delivered to strand from strand transfer roller-way 12 promote and be on upper lifting roller-way in conveying unit 11;
2) dummy bar is moved down into strand promote and be on the next lifting roller-way in conveying unit 11;
3) dummy bar being sent into the strand being in horizontal feed billet state tumbles with conveyer 10;
4) strand is tumbled the position being tilted to clockwise with conveyer 10 and vertically carrying dummy bar;
5) strand is tumbled to draw with conveyer 10 and the strand below crystallizer 6 and is sent clamping machine to cooperate upwards to carry dummy bar, make dummy bar head stretch into crystallizer 6 end opening;
6) gap between shutoff dummy bar and crystallizer 6 inwall;
7) magnesium alloy liquation injects crystallizer 6;
8) inject magnesium alloy liquation liquid level when crystallizer 6 inside and reach specified altitude drawing spindle blade at present, initial throwing;
9) when the initial cleavage of strand arrival strand, start strand shearing device 9, cut off strand at cleavage;
10) dummy bar head moves down into shutoff bit position magnesium base the strand being in vertical transfer position and tumbles and conveyer 10;
11) strand is tumbled and is tilted to horizontal feed position counterclockwise with conveyer 10;
12) dummy bar is carried to promote with on the lifting roller-way of conveying unit 11 to waiting at the strand picking dummy bar;
13) strand promotes and promotes dummy bar to upper with conveying unit 11, and send and dummy bar is delivered to strand and transfers roller-way 12, carries out dummy bar collection;
14) strand is tumbled to be tilted to clockwise with conveyer 10 and is in strand and promotes with on the lifting roller-way of conveying unit 11 bottom, accepts cut-off strand;
15) strand promotes and to be in conveying unit 11 after the next lifting roller-way receives the strand be completely severed, and strand is tumbled the vertical transfer position that puts in place that to vert counterclockwise with conveyer 10;
16) strand promotes and carries on the lifting roller-way of unit 11 and carries position;
17) strand promotes and is rotated clockwise to vertical transfer position with conveying unit 11, continues to accept next cut-off strand;
18) strand promotes and moves down into bottom with the lifting roller-way of conveying unit 11;
19) strand transfer roller-way delivered to by strand, and clamp rolls off the production line;
20) 16 are repeated) to 19) operation of step, realize continuous seepage;
21), when stopping cast, first stop injecting magnesium alloy liquation to crystallizer, after strand breech face leaves crystallizer, stop mold oscillation, when the lifting of last root strand is under strand during line position, continuous casting end cycle.
The feature of present invention process has:
1. adopt mould vibration device 7, help the stripping result improved between casting billet surface and crystallizer 6 inwall, reduce the frictional force between them.
2. adopt strand to draw and send clamping machine 8, enable dummy ingot send into crystallizer 6, also can realize strand and pull straight crystallizer 6, assist continuous casting functional realiey.
3. adopt strand shearing device 9, enable being separated of strand and continuous billet casting, assist continuous casting functional realiey.
4. adopt strand to tumble and conveyer 10, enable the strand be separated with continuous billet casting turn to lifting outflow location, assist continuous casting functional realiey.
5. adopting strand promote and pick unit 11, enable strand be promoted to the ejection transmitting place of horizontal plane, realizing receiving strand from tumbling with conveyer 10, and follow-up strand transfer roller-way 12 can be delivered to, assist continuous casting functional realiey.
6. adopt strand promote and pick unit 11, enable strand be promoted to the ejection transmitting place of horizontal plane, assist continuous casting functional realiey.
7. adopt strand transfer roller-way 12, enable strand be transported to line position under strand, provide condition for strand rolls off the production line, assist continuous casting functional realiey.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is present invention process schematic flow sheet.
Detailed description of the invention
Below in conjunction with accompanying drawing, technique is described in detail.
With reference to Fig. 1, a kind of magnesium alloy circle base continuous casting apparatus, comprise magnesium alloy smelting and melt feed system and casting of magnesium alloy manufacturing system, described magnesium alloy smelting and melt feed system comprise magnesium alloy melting furnace 1, magnesium liquid carrier pipe 2, holding furnace 3, tundish 4, crystallizer protecting device 5, magnesium alloy melting furnace 1 is exported and is connected with holding furnace 3 entrance by magnesium liquid carrier pipe 2, holding furnace 3 outlet is connected with tundish 4 entrance, tundish 4 exports and crystallizer 6 connection suitable for reading, and crystallizer 6 is suitable for reading is also provided with crystallizer protecting device 5, described casting of magnesium alloy manufacturing system comprises crystallizer 6, mould vibration device 7, strand draws and send clamping machine 8, strand shearing device 9, strand is tumbled and conveyer 10, strand promotes and conveying unit 11, strand transfer roller-way 12, the bottom of crystallizer 6 is connected with mould vibration device 7, crystallizer 6 bottom inlet and strand draw and send clamping machine 8 to be connected, strand draws and send the side of clamping machine 8 to be provided with strand shearing device 9, strand draws and send the below of clamping machine 8 to be provided with strand to tumble and conveyer 10, strand is tumbled and to be connected with strand with the side of conveyer 10 and to promote and conveying unit 11, strand lifting is transferred roller-way 12 with conveying unit 11 and strand and is connected.
With reference to Fig. 2, the continuous casting process of described device, comprises the following steps:
1) dummy bar is delivered to strand from strand transfer roller-way 12 promote and be on upper lifting roller-way in conveying unit 11;
2) dummy bar is moved down into strand promote and be on the next lifting roller-way in conveying unit 11;
3) dummy bar being sent into the strand being in horizontal feed billet state tumbles with conveyer 10;
4) strand is tumbled the position being tilted to clockwise with conveyer 10 and vertically carrying dummy bar;
5) strand is tumbled to draw with conveyer 10 and the strand below crystallizer 6 and is sent clamping machine to cooperate upwards to carry dummy bar, make dummy bar head stretch into crystallizer 6 end opening;
6) gap between shutoff dummy bar and crystallizer 6 inwall;
7) magnesium alloy liquation injects crystallizer 6;
8) inject magnesium alloy liquation liquid level when crystallizer 6 inside and reach specified altitude drawing spindle blade at present, initial throwing;
9) when the initial cleavage of strand arrival strand, start strand shearing device 9, cut off strand at cleavage;
10) dummy bar head moves down into shutoff bit position magnesium base the strand being in vertical transfer position and tumbles and conveyer 10;
11) strand is tumbled and is tilted to horizontal feed position counterclockwise with conveyer 10;
12) dummy bar is carried to promote with on the lifting roller-way of conveying unit 11 to waiting at the strand picking dummy bar;
13) strand promotes and promotes dummy bar to upper with conveying unit 11, and send and dummy bar is delivered to strand and transfers roller-way 12, carries out dummy bar collection;
14) strand is tumbled to be tilted to clockwise with conveyer 10 and is in strand and promotes with on the lifting roller-way of conveying unit 11 bottom, accepts cut-off strand;
15) strand promotes and to be in conveying unit 11 after the next lifting roller-way receives the strand be completely severed, and strand is tumbled the vertical transfer position that puts in place that to vert counterclockwise with conveyer 10;
16) strand promotes and carries on the lifting roller-way of unit 11 and carries position;
17) strand promotes and is rotated clockwise to vertical transfer position with conveying unit 11, continues to accept next cut-off strand;
18) strand promotes and moves down into bottom with the lifting roller-way of conveying unit 11;
19) strand transfer roller-way delivered to by strand, and clamp rolls off the production line;
20) repeat (16) to the operation of (19) step, realize continuous seepage;
21), when stopping cast, first stop injecting magnesium alloy liquation to crystallizer, after strand breech face leaves crystallizer, stop mold oscillation, when the lifting of last root strand is under strand during line position, continuous casting end cycle.
Claims (2)
1. a magnesium alloy circle base continuous casting apparatus, comprise magnesium alloy smelting and melt feed system and casting of magnesium alloy manufacturing system, it is characterized in that: described magnesium alloy smelting and melt feed system comprise magnesium alloy melting furnace (1), magnesium liquid carrier pipe (2), holding furnace (3), tundish (4), crystallizer protecting device (5), magnesium alloy melting furnace (1) outlet is connected with holding furnace (3) entrance by magnesium liquid carrier pipe (2), holding furnace (3) outlet is connected with tundish (4) entrance, tundish (4) outlet and crystallizer (6) connection suitable for reading, crystallizer (6) is suitable for reading is also provided with crystallizer protecting device (5), described casting of magnesium alloy manufacturing system comprises crystallizer (6), mould vibration device (7), strand draws and send clamping machine (8), strand shearing device (9), strand is tumbled and conveyer (10), strand promotes and conveying unit (11), strand transfer roller-way (12), the bottom of crystallizer (6) is connected with mould vibration device (7), crystallizer (6) bottom inlet and strand draw and send clamping machine (8) to be connected, strand draws and send the side of clamping machine (8) to be provided with strand shearing device (9), strand draws and send the below of clamping machine (8) to be provided with strand to tumble and conveyer (10), strand is tumbled and to be connected with strand with the side of conveyer (10) and to promote and conveying unit (11), strand lifting is transferred roller-way (12) with conveying unit (11) and strand and is connected.
2. the continuous casting process of device according to claim 1, comprises the following steps:
1) by dummy bar from strand transfer roller-way (12) deliver to strand promote with conveying unit (11) in be on upper lifting roller-way;
2) dummy bar is moved down into strand to promote and be in conveying unit (11) on the next lifting roller-way;
3) dummy bar being sent into the strand being in horizontal feed billet state tumbles with conveyer (10);
4) strand is tumbled the position being tilted to clockwise with conveyer (10) and vertically carrying dummy bar;
5) strand is tumbled to draw with the strand of conveyer (10) and crystallizer (6) below and is sent clamping machine to cooperate upwards to carry dummy bar, make dummy bar head stretch into crystallizer (6) end opening;
6) gap between shutoff dummy bar and crystallizer (6) inwall;
7) magnesium alloy liquation injects crystallizer (6);
8) inject magnesium alloy liquation liquid level when crystallizer (6) inside and reach specified altitude drawing spindle blade at present, initial throwing;
9) when the initial cleavage of strand arrival strand, start strand shearing device (9), cut off strand at cleavage;
10) dummy bar head moves down into shutoff bit position magnesium base the strand being in vertical transfer position and tumbles and conveyer (10);
11) strand is tumbled and is tilted to horizontal feed position counterclockwise with conveyer (10);
12) dummy bar is carried to promote with on the lifting roller-way of conveying unit (11) to waiting at the strand picking dummy bar;
13) strand promotes and promotes dummy bar to upper with conveying unit (11), and send and dummy bar is delivered to strand and transfers roller-way (12), carries out dummy bar collection;
14) strand is tumbled to be tilted to clockwise with conveyer (10) and is in strand and promotes on the lifting roller-way the next with conveying unit (11), accepts cut-off strand;
15) strand promotes and to be in conveying unit (11) after the next lifting roller-way receives the strand be completely severed, and strand is tumbled the vertical transfer position that puts in place that to vert counterclockwise with conveyer (10);
16) strand promotes and carries on the lifting roller-way of unit (11) and carries position;
17) strand promotes and is rotated clockwise to vertical transfer position with conveying unit (11), continues to accept next cut-off strand;
18) strand promotes and moves down into bottom with the lifting roller-way of conveying unit (11);
19) strand transfer roller-way delivered to by strand, and clamp rolls off the production line;
20) 16 are repeated) to 19) operation of step, realize continuous seepage;
21), when stopping cast, first stop injecting magnesium alloy liquation to crystallizer, after strand breech face leaves crystallizer, stop mold oscillation, when the lifting of last root strand is under strand during line position, continuous casting end cycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410327818.4A CN104209486B (en) | 2014-07-10 | 2014-07-10 | A kind of magnesium alloy circle base continuous casting apparatus and technique |
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| CN201410327818.4A CN104209486B (en) | 2014-07-10 | 2014-07-10 | A kind of magnesium alloy circle base continuous casting apparatus and technique |
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| CN104209486A true CN104209486A (en) | 2014-12-17 |
| CN104209486B CN104209486B (en) | 2016-04-20 |
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Cited By (10)
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| CN105598399A (en) * | 2016-01-26 | 2016-05-25 | 中国重型机械研究院股份公司 | Production method of ultra-thickness casting blank |
| CN105689662A (en) * | 2016-04-06 | 2016-06-22 | 中国重型机械研究院股份公司 | Hydraulic horizontal moving device for ingot rod and ingot blank |
| CN105710344A (en) * | 2016-04-14 | 2016-06-29 | 北京北冶功能材料有限公司 | Vacuum casting device for high-temperature alloy base materials and application method |
| CN106180601A (en) * | 2016-08-30 | 2016-12-07 | 中国重型机械研究院股份公司 | Coloured light metal plate ingot continuous casting apparatus and casting technique thereof |
| CN106180615A (en) * | 2016-08-29 | 2016-12-07 | 中国重型机械研究院股份公司 | A kind of magnesium alloy strand continuous casting billet is tumbled transfer device |
| CN107127310A (en) * | 2017-07-12 | 2017-09-05 | 河南维可托镁合金科技有限公司 | The semicontinuous casting technique of magnesium base alloy |
| CN107855362A (en) * | 2017-12-15 | 2018-03-30 | 王振云 | A kind of full-automatic continuous casting even pricks preforming press |
| CN108262454A (en) * | 2016-12-30 | 2018-07-10 | 天津镁特威科技有限公司 | A kind of useless magnesium retracting device |
| CN110216250A (en) * | 2019-07-19 | 2019-09-10 | 东北大学 | The ultrasonic magnesium alloy semi-continuous casting device of a kind of group of frequency and method |
| CN113751682A (en) * | 2021-08-12 | 2021-12-07 | 西安鼎鑫科技新材料有限公司 | Casting process and equipment for casting ultrahigh-strength aluminum alloy hub material for vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105598399A (en) * | 2016-01-26 | 2016-05-25 | 中国重型机械研究院股份公司 | Production method of ultra-thickness casting blank |
| CN105689662A (en) * | 2016-04-06 | 2016-06-22 | 中国重型机械研究院股份公司 | Hydraulic horizontal moving device for ingot rod and ingot blank |
| CN105710344A (en) * | 2016-04-14 | 2016-06-29 | 北京北冶功能材料有限公司 | Vacuum casting device for high-temperature alloy base materials and application method |
| CN105710344B (en) * | 2016-04-14 | 2019-02-22 | 北京北冶功能材料有限公司 | A kind of high temperature alloy base material vacuum casting device and application method |
| CN106180615B (en) * | 2016-08-29 | 2018-06-26 | 中国重型机械研究院股份公司 | A kind of magnesium alloy strand continuous casting billet is tumbled transfer device |
| CN106180615A (en) * | 2016-08-29 | 2016-12-07 | 中国重型机械研究院股份公司 | A kind of magnesium alloy strand continuous casting billet is tumbled transfer device |
| CN106180601A (en) * | 2016-08-30 | 2016-12-07 | 中国重型机械研究院股份公司 | Coloured light metal plate ingot continuous casting apparatus and casting technique thereof |
| CN108262454A (en) * | 2016-12-30 | 2018-07-10 | 天津镁特威科技有限公司 | A kind of useless magnesium retracting device |
| CN108262454B (en) * | 2016-12-30 | 2019-10-11 | 天津镁特威科技有限公司 | A kind of useless magnesium recyclable device |
| CN107127310A (en) * | 2017-07-12 | 2017-09-05 | 河南维可托镁合金科技有限公司 | The semicontinuous casting technique of magnesium base alloy |
| CN107855362A (en) * | 2017-12-15 | 2018-03-30 | 王振云 | A kind of full-automatic continuous casting even pricks preforming press |
| CN110216250A (en) * | 2019-07-19 | 2019-09-10 | 东北大学 | The ultrasonic magnesium alloy semi-continuous casting device of a kind of group of frequency and method |
| CN110216250B (en) * | 2019-07-19 | 2021-02-26 | 东北大学 | Frequency-combination ultrasonic magnesium alloy semi-continuous casting device and method |
| CN113751682A (en) * | 2021-08-12 | 2021-12-07 | 西安鼎鑫科技新材料有限公司 | Casting process and equipment for casting ultrahigh-strength aluminum alloy hub material for vehicle |
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