CN203426393U - Aluminium alloy semi-continuous casting crystallizer - Google Patents
Aluminium alloy semi-continuous casting crystallizer Download PDFInfo
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- CN203426393U CN203426393U CN201320464520.9U CN201320464520U CN203426393U CN 203426393 U CN203426393 U CN 203426393U CN 201320464520 U CN201320464520 U CN 201320464520U CN 203426393 U CN203426393 U CN 203426393U
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Abstract
The utility model provides an aluminium alloy semi-continuous casting crystallizer which comprises a crystallizer body, a lower sealing plate and a water jacket, wherein the crystallizer body is provided with a casting cavity; the lower sealing plate is connected with the bottom end of the crystallizer body; the water jacket is respectively connected with the crystallizer body and the lower sealing plate and forms a cooling cavity; the lower sealing plate is provided with cooling water holes. According to the aluminium alloy semi-continuous casting crystallizer provided by the utility model, the cooling water holes are formed in the lower sealing plate, so that when aluminium alloy ingots with different cooling requirements need to be cast and the cooling water holes of the crystallizer are totally unsuitable, the suitable cooling water holes can be selected only by replacing the lower sealing plate; compared with the prior art of replacing the integral crystallizer, cost of replacing the lower sealing plate is lower and casting cost of the aluminium alloy ingots is reduced; meanwhile, the lower sealing plate is simple to install and disassemble and has a higher replacement speed and influence on production efficiency of the aluminium alloy ingots is reduced; the cooling water holes are more convenient and simpler to process in the lower sealing plate and processing cost is reduced.
Description
Technical field
The utility model relates to aluminum alloy semi-continuous casting technical field, more particularly, relates to a kind of crystallizer for semi-continuous casting of aluminum alloy.
Background technology
Semicontinuous casting technique is the common production method of aluminium alloy cast ingot.The method of aluminum alloy semi-continuous casting is: within a period of time, with certain poring rate, molten metal is continuously poured in crystallizer, and continuously with certain speed, ingot casting is pulled out, form aluminium alloy cast ingot.
Crystallizer is the visual plant of semi-continuous casting, and as depicted in figs. 1 and 2, this crystallizer mainly comprises: the crystallizer body 12 that forms casting cavity 121; The lower shrouding 13 being connected with the bottom of crystallizer body 12; Be connected with lower shrouding 13 with crystallizer body 12 respectively and form the water jacket 11 of cooling chamber 111; Wherein, the bottom of crystallizer body 12 is provided with cooling water hole 122.
When producing aluminium alloy cast ingot, need base 14 and crystallizer to be used in conjunction with, wherein, base 14 can move along the axial reciprocating of casting cavity 121, for traction and support ingot casting 15.The production method of aluminium alloy cast ingot is: need to be first at the interior injection cooling water of cooling chamber 111, and the top of base 14 is stretched in casting cavity 121, and as the false bottom of casting cavity 121, and crystallizer body 12 plays shaping effect jointly; By molten metal inject casting cavity 121 interior after, heat conducts to cooling water by the sidewall of crystallizer body 12, is called water-cooled one time, and cooling water is directly sprayed onto on ingot casting 15 by the cooling water hole 122 of crystallizer body 12 bottoms, take away the amount of heat of ingot casting 15, be called secondary water-cooled.In semi-continuous casting process, the transmission mechanism of casting machine is constantly pulled out casting cavity 121 by base 14 by ingot casting 15, as shown in Figure 2.
When casting the aluminium alloy cast ingot of different cultivars, different for the requirement of secondary water-cooled, different for the requirement of cooling water hole 122, the angle of inclination of cooling water hole 122 for example, the pore size of cooling water hole 122, the number of cooling water hole 122, the pitch of holes of cooling water hole 122 etc.But, when cooling water hole 122 is arranged on crystallizer body 12, cooling water hole 122 can not change again, the versatility of this crystallizer is very restricted, particularly for large specification, the aluminium alloy cast ingot that cast form is poor, crystallizer can only meet the casting technique of part aluminium alloy cast ingot, in the time need to casting the aluminium alloy cast ingot that cooling requirement differs widely, if existing crystallizer cooling water hole is completely inadaptable, need to change whole crystallizer, cause the production cost of aluminium alloy cast ingot higher, especially large specification, the experimental manufacturing cost of the aluminium alloy cast ingot that cast form is poor is higher.
In addition, change whole crystallizer, mount and dismount more loaded down with trivial detailsly, affect the production efficiency of aluminium alloy cast ingot.
In sum, how reducing the production cost of aluminium alloy cast ingot, especially reduce the experimental manufacturing cost of the poor aluminium alloy cast ingot of large specification, cast form, is current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of crystallizer for semi-continuous casting of aluminum alloy, reduces the production cost of aluminium alloy cast ingot, especially reduces the experimental manufacturing cost of the poor aluminium alloy cast ingot of large specification, cast form.
To achieve these goals, the utility model provides following technical scheme:
, comprising: the crystallizer body that forms casting cavity; The lower shrouding being connected with the bottom of described crystallizer body; Be connected with described lower shrouding with described crystallizer body respectively and form the water jacket of cooling chamber; Wherein, on described lower shrouding, be provided with cooling water hole.
Preferably, in above-mentioned crystallizer for semi-continuous casting of aluminum alloy, the angle of the center line of described cooling water hole and the center line of described casting cavity is 20-45 °.
Preferably, in above-mentioned crystallizer for semi-continuous casting of aluminum alloy, described lower shrouding is aluminium sheet.
Preferably, in above-mentioned crystallizer for semi-continuous casting of aluminum alloy, the thickness of described lower shrouding is 25-30mm.
Preferably, in above-mentioned crystallizer for semi-continuous casting of aluminum alloy, described lower shrouding is connected by screw with described crystallizer body, and the joint face of described lower shrouding and described crystallizer body is provided with sealing joint strip.
Preferably, in above-mentioned crystallizer for semi-continuous casting of aluminum alloy, the screwed hole of described crystallizer body and described lower shrouding have anode oxide film.
Preferably, in above-mentioned crystallizer for semi-continuous casting of aluminum alloy, described lower shrouding is connected by screw with described water jacket, and the joint face of described lower shrouding and described water jacket is provided with sealing joint strip.
Preferably, above-mentioned crystallizer for semi-continuous casting of aluminum alloy, also comprises: the pressing plate being connected with described lower shrouding with described water jacket respectively.
The crystallizer for semi-continuous casting of aluminum alloy that the utility model provides, cooling water hole is arranged on lower shrouding, when casting the cooling different aluminium alloy cast ingot that requires, and when the cooling water hole of this crystallizer is not suitable with completely, only need to change lower shrouding, can select suitable cooling water hole, changing whole crystallizer with prior art compares, obviously, the cost of changing lower shrouding is less, thereby reduced the production cost of aluminium alloy cast ingot, especially reduced the experimental manufacturing cost of the poor aluminium alloy cast ingot of large specification, cast form.
Simultaneously, the crystallizer for semi-continuous casting of aluminum alloy that the utility model provides, is arranged on cooling water hole on lower shrouding, when casting the cooling different aluminium alloy cast ingot that requires, and when the cooling water hole of this crystallizer is not suitable with completely, only need to change lower shrouding, can select suitable cooling water hole, change whole crystallizer with prior art to compare, obviously, the installation and removal of lower shrouding are simpler, change speed, thereby reduced the impact of aluminium alloy cast ingot production efficiency; On lower shrouding, deep hole drilling machine processing is also more convenient, simpler simultaneously, has reduced processing cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Use schematic diagram when the crystallizer for semi-continuous casting of aluminum alloy casting that Fig. 1 provides for prior art starts;
Use schematic diagram when the crystallizer for semi-continuous casting of aluminum alloy casting that Fig. 2 provides for prior art is stablized;
Use schematic diagram when the crystallizer for semi-continuous casting of aluminum alloy casting that Fig. 3 provides for the utility model embodiment starts.
In upper Fig. 1-Fig. 3:
Water jacket is 11, cooling chamber is 111, crystallizer body is 12, casting cavity is 121, cooling water hole is 122, lower shrouding is 13, base is 14, ingot casting is 15, water jacket is 21, cooling chamber is 211, crystallizer body is 22, casting cavity is 221, lower shrouding is 23, cooling water hole is 231, base is 24, ingot casting is 25.
The specific embodiment
The utility model embodiment provides a kind of crystallizer for semi-continuous casting of aluminum alloy, has reduced the production cost of aluminium alloy cast ingot, has especially reduced the experimental manufacturing cost of the poor aluminium alloy cast ingot of large specification, cast form.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The crystallizer for semi-continuous casting of aluminum alloy that the utility model embodiment provides, comprising: the crystallizer body 22 that forms casting cavity 221; The lower shrouding 23 being connected with the bottom of crystallizer body 22; Be connected with lower shrouding 23 with crystallizer body 22 respectively and form the water jacket 21 of cooling chamber 211; Wherein, on lower shrouding 23, be provided with cooling water hole 231.
The crystallizer for semi-continuous casting of aluminum alloy that the utility model embodiment provides, cooling water hole 231 is arranged on lower shrouding 23, when casting the cooling different aluminium alloy cast ingot that requires, and when the cooling water hole of this crystallizer is not suitable with completely, only need to change lower shrouding 23, can select suitable cooling water hole 231, changing whole crystallizer with prior art compares, obviously, the cost of changing lower shrouding 23 is less, thereby reduced the production cost of aluminium alloy cast ingot, especially reduced the experimental manufacturing cost of the poor aluminium alloy cast ingot of large specification, cast form.
Simultaneously, the crystallizer for semi-continuous casting of aluminum alloy that the utility model embodiment provides, cooling water hole 231 is arranged on lower shrouding 23, when casting the cooling different aluminium alloy cast ingot that requires, and when the cooling water hole of this crystallizer is not suitable with completely, only need to change lower shrouding 23, can select suitable cooling water hole 231, changing whole crystallizer with prior art compares, obviously, the installation and removal of lower shrouding 23 are simpler, change speed, thereby reduced the impact of aluminium alloy cast ingot production efficiency; On lower shrouding 23, deep hole drilling machine processing 231 is also more convenient, simpler simultaneously, has reduced processing cost.
It should be noted that, aluminium alloy is probably divided into hard alloy series and mild alloy series.Hard alloy series (2 be, 7 be) relatively mild alloy series easily ftractures in casting process, therefore need less cooling water flow, more equally distributed cooling water jet, to reduce casting process tearing tendency, for obtaining less cooling water flow, more equally distributed cooling water jet, just requires the aperture of cooling water hole 231 less, pitch of holes is less, and angle of inclination (angle of the center line of the center line of cooling water hole 231 and casting cavity 221) is less; Little for mild alloy series (1 be, 6 be etc.) tearing tendency in casting process, for obtaining better internal soundness, need larger cooling water flow, for to cut down finished cost, to reduce the probability that cooling water hole 231 is blocked by impurity, require relatively large aperture, relatively large pitch of holes, relatively large angle of inclination simultaneously.In actual application, according to the aluminium alloy cast ingot kind of casting, select suitable cooling water hole 231, the utility model embodiment does not do this particularly and limits.
The crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, need to coordinate base 24 jointly to use, wherein, and the base 24 that base 24 runs through lower shrouding 23 and can move along the axial reciprocating of casting cavity 221.
Preferably, in the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, the center line of the center line of cooling water hole 231 and casting cavity 221 tilts, and like this, is convenient to water quench ingot casting 25.Concrete, the angle of the center line of the center line of cooling water hole 231 and casting cavity 221 is 20-45 °.Certainly, can adopt other angles yet, can select according to the aluminium alloy cast ingot kind of casting, the utility model embodiment does not do this particularly and limits.
At present, lower shrouding 23 is generally aluminium sheet or steel plate, in order to reduce, get rusty, in the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, under preferential selection, shrouding 23 is aluminium sheet, can effectively reduce the probability that cooling water hole 231 is blocked by foreign matter, to improving the yield rate of the poor aluminium alloy cast ingot of large specification, casting formability.
In order to guarantee the support strength of lower shrouding 23, in the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, the thickness of lower shrouding 23 is 25-30mm.Like this, by increasing thickness, increase the intensity of lower shrouding 23, thereby reduce the probability of lower shrouding 23 buckling deformations.Certainly, the thickness of lower shrouding 23 also can be other values, and the utility model embodiment does not do this particularly and limits, as long as can meet technological requirement.
Preferably, in the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, lower shrouding 23 is connected by screw with crystallizer body 22, and lower shrouding 23 is provided with sealing joint strip with the joint face of crystallizer body 22.By screw be connected can be excellent effect guarantee the bonding strength of lower shrouding 23 and crystallizer body 22, the joint face at the two arranges sealing joint strip simultaneously, guarantees being tightly connected of lower shrouding 23 and crystallizer body 22, prevents that cooling water from revealing.Certainly, lower shrouding 23 also can be connected by other means with crystallizer body 22, and the utility model embodiment does not do this particularly and limits.
In order further to optimize technique scheme, in the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, the screwed hole of crystallizer body 22 and lower shrouding 23 have anode oxide film.Like this, by the screwed hole of crystallizer body 22 and lower shrouding 23 are carried out to anodized, make screwed hole and the lower shrouding 23 of crystallizer body 22 there is anode oxide film, like this, can guarantee screwed hole and the lower shrouding 23 and not perishable of crystallizer body 22, fouling is also difficult for being damaged in installation and removal process.
Preferably, in the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, lower shrouding 23 is connected by screw with water jacket 21, and lower shrouding 23 is provided with sealing joint strip with the joint face of water jacket 21.By screw be connected can be excellent effect guarantee the bonding strength of lower shrouding 23 and water jacket 21, the joint face at the two arranges sealing joint strip simultaneously, guarantees being tightly connected of lower shrouding 23 and water jacket 21, prevents that cooling water from revealing.Certainly, lower shrouding 23 also can be connected by other means with water jacket 21, and the utility model embodiment does not do this particularly and limits.
The inefficacy that is tightly connected for fear of lower shrouding 23 with water jacket 21, the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, also comprises: the pressing plate being connected with lower shrouding 23 with water jacket 21 respectively.Wherein, one end of pressing plate is connected with water jacket 21, and the other end of pressing plate is pressed on lower shrouding 23, and after water jacket 21 and being tightly connected of lower shrouding 23 were lost efficacy, because pressing plate connects respectively water jacket 21 and lower shrouding 23, whole crystallizer can also use.Preferably, pressing plate is connected by screw with water jacket 21, pressing plate be directly pressed in lower shrouding 23 on.Concrete, pressing plate is across on lower shrouding 23 and water jacket 21, below cooling chamber 211.
The using method of the crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides is: need first at the interior injection cooling water of cooling chamber 211, the top of base 24 is stretched in casting cavity 221, as the false bottom of casting cavity 221, and crystallizer body 22 plays shaping effect jointly; By molten metal inject casting cavity 221 interior after, heat conducts to cooling water by the sidewall of crystallizer body 22, is called water-cooled one time, and cooling water is directly sprayed onto on ingot casting 25 by the cooling water hole 231 on lower shrouding 23, take away the amount of heat of ingot casting 25, be called secondary water-cooled.In semi-continuous casting process, the transmission mechanism of casting machine is constantly pulled out casting cavity 221 by base 24 by ingot casting 25.
The crystallizer for semi-continuous casting of aluminum alloy that above-described embodiment provides, also comprise for the standby lower shrouding of changing, the aperture of the cooling water hole of standby lower shrouding is greater than or less than the aperture of the cooling water hole of lower shrouding 23, or the cooling water hole number of standby lower shrouding is greater than or less than the cooling water hole number of lower shrouding 23.Like this, strengthened the versatility of this crystallizer.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment as herein described, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a crystallizer for semi-continuous casting of aluminum alloy, comprising: the crystallizer body (22) that forms casting cavity (221); The lower shrouding (23) being connected with the bottom of described crystallizer body (22); Be connected with described lower shrouding (23) with described crystallizer body (22) respectively and form the water jacket (21) of cooling chamber (211); It is characterized in that, on described lower shrouding (23), be provided with cooling water hole (231).
2. crystallizer for semi-continuous casting of aluminum alloy according to claim 1, is characterized in that, the angle of the center line of the center line of described cooling water hole (231) and described casting cavity (221) is 20-45 °.
3. crystallizer for semi-continuous casting of aluminum alloy according to claim 1, is characterized in that, described lower shrouding (23) is aluminium sheet.
4. crystallizer for semi-continuous casting of aluminum alloy according to claim 3, is characterized in that, the thickness of described lower shrouding (23) is 25-30mm.
5. crystallizer for semi-continuous casting of aluminum alloy according to claim 3, it is characterized in that, described lower shrouding (23) is connected by screw with described crystallizer body (22), and described lower shrouding (23) is provided with sealing joint strip with the joint face of described crystallizer body (22).
6. crystallizer for semi-continuous casting of aluminum alloy according to claim 5, is characterized in that, the screwed hole of described crystallizer body (22) and described lower shrouding (23) have anode oxide film.
7. crystallizer for semi-continuous casting of aluminum alloy according to claim 1, it is characterized in that, described lower shrouding (23) is connected by screw with described water jacket (21), and described lower shrouding (23) is provided with sealing joint strip with the joint face of described water jacket (21).
8. according to the crystallizer for semi-continuous casting of aluminum alloy described in any one in claim 1-7, it is characterized in that, also comprise: the pressing plate being connected with described lower shrouding (23) with described water jacket (21) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320464520.9U CN203426393U (en) | 2013-07-31 | 2013-07-31 | Aluminium alloy semi-continuous casting crystallizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320464520.9U CN203426393U (en) | 2013-07-31 | 2013-07-31 | Aluminium alloy semi-continuous casting crystallizer |
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| CN203426393U true CN203426393U (en) | 2014-02-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894565A (en) * | 2014-04-17 | 2014-07-02 | 铜陵有色兴铜机电制造有限公司 | Crystallizer with improved cooling channels |
| CN106513603A (en) * | 2016-12-29 | 2017-03-22 | 西南铝业（集团）有限责任公司 | Crystallizer |
-
2013
- 2013-07-31 CN CN201320464520.9U patent/CN203426393U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894565A (en) * | 2014-04-17 | 2014-07-02 | 铜陵有色兴铜机电制造有限公司 | Crystallizer with improved cooling channels |
| CN106513603A (en) * | 2016-12-29 | 2017-03-22 | 西南铝业（集团）有限责任公司 | Crystallizer |
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Granted publication date: 20140212 |
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