CN201791950U - Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump - Google Patents
Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump Download PDFInfo
- Publication number
- CN201791950U CN201791950U CN2010205193703U CN201020519370U CN201791950U CN 201791950 U CN201791950 U CN 201791950U CN 2010205193703 U CN2010205193703 U CN 2010205193703U CN 201020519370 U CN201020519370 U CN 201020519370U CN 201791950 U CN201791950 U CN 201791950U
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- electromagnetic pump
- heat
- high pressure
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a low-pressure filling and high-pressure solidifying molding system for a magnesium alloy hub electromagnetic pump, which comprises a magnesium alloy electromagnetic pump heat-insulating furnace, wherein a cylindrical melting crucible with a feed port at the top end of the front part is assembled in the inner chamber of the heat-insulating furnace, and a furnace lid and a gas protecting device are assembled at the feed port; the cylindrical drum body of the melting crucible is sleeved by a power frequency induction heating component through a first heat-insulating cotton layer, and a magnesium alloy electromagnetic pump is assembled at the rear end of the melting crucible through a horizontal tube and is used for steadily filling magnesium alloy liquid; the magnesium alloy electromagnetic pump is communicated with a hub low-pressure casting machine used for high-pressure solidifying casting mold through a discharging tube; and a first heating insulating structure is assembled on the peripheral wall inside the heat-insulating furnace, and second heating insulating structures are assembled in the horizontal tube, the magnesium alloy electromagnetic pump and the discharging tube. The molding system adopts the electromagnetic pump for filling, dispenses with the sealing of the furnace lid and achieves convenient feeding; and the discharge port of the electromagnetic pump and a liquid rising tube are filled with liquid metal all the while, so as to avoid the clogging of the liquid rising tube, and meet the requirement for long-time continuous production.
Description
Technical field
The utility model relates to a kind of magnesium alloy hub high-pressure molding device, relate in particular to magnesium alloy hub and when filling type and solidifying, adopt different pressure patterns to reach the fine and close completely and high performance of magnesium alloy hub, and can avoid magnesium alloy hub to be easy to generate the magnesium alloy hub high-pressure molding device of misrun under the low pressure or easy hot tearing.Specifically magnesium alloy hub electromagnetic pump low pressure is filled type high pressure coagulation forming system.
Background technology
At present; magnesium alloy hub does not also have the moulding process that a cover is fit to fully both at home and abroad; what generally the low-pressure casting process of Cai Yonging was continued to use is conventional aluminum alloy process for low pressure casting and forming, mainly being configured to of this technology and equipment: main frame and be generally the composition such as operating platform, clasp mould mechanism, hydraulic control system, mold cooling system, low pressure holding furnace, electrical apparatus control system, Liquid Level Pressure device of four-column type.Operating procedure is: molten metal liquid is poured into by charge door in the holding furnace that can seal, the holding furnace seal cover is closed.When beginning to produce mould is shared by clasp mould mechanism; the Liquid Level Pressure system pressurizes to metal bath surface by using dry gas; molten metal enters mold cavity by stalk according to technological requirement, thereby and under≤0.1Mpa pressure solidification and crystallization obtain complete wheel hub casts.This kind technology is owing to need pressurize to holding furnace inner metal liquid body, so holding furnace must seal, therefore, production can not be carried out continuously.Especially to the material of this easy oxidation of magnesium alloy, protect more difficult.Production is relatively to be suitable for to aluminium alloy wheel hub, but concerning magnesium alloy hub is produced, because each reinforced oxidation that all is easy to generate molten metal be mingled with thereby form in alloy, and the cleaning of holding furnace is also very difficult.So this technology is unaccommodated to producing magnesium alloy hub in batches.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, provide a kind of mold filling process of casting steadily and can precisely control, compactness was good after wheel hub solidified, bell need not sealing, and reinforced convenient, can avoid the oxidation of molten metal and the magnesium alloy hub electromagnetic pump low pressure of line clogging to fill type high pressure coagulation forming system.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: magnesium alloy hub electromagnetic pump low pressure is filled type high pressure coagulation forming system; comprise magnesium alloy electromagnetic pump holding furnace in order to fusing and supply magnesium alloy molten metal; wherein: be fitted with the cylindrical fusion crucible that an anterior top is shaped on charge door in the inner chamber of holding furnace; and charge door is equipped with bell and gas shield device; the cylindrical stack shell of described fusion crucible is set with the line-frequency induction heating component through the first heat-preservation cotton layer; and the rear end of fusion crucible is fitted with in order to the magnesium alloy molten metal is steadily filled the magnesium alloy electromagnetic pump of type through horizontal tube; described magnesium alloy electromagnetic pump is communicated with by discharge nozzle and is used for the wheel hub air injection machine that high pressure solidifies casting mold; described holding furnace internal perisporium is equipped with the first heat tracing structure, and horizontal tube; magnesium alloy electromagnetic pump and discharge nozzle all are equipped with the second heat tracing structure.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned wheel hub air injection machine comprises stake body and is fitted in dynamic model mechanism, counterdie platform, the left and right sides side form in the stake body and is fitted in stalk on the counterdie platform; Described stalk is connected with the magnesium alloy electromagnetic pump discharge nozzle, and the stalk bottom is equipped with wheel hub and solidifies quick pressurization system.
Above-mentioned line-frequency induction heating component comprises line-frequency induction coil and yoke; Described yoke be provided in the line-frequency induction coil the left and right side and above.
Above-mentioned fusion crucible is fitted with two groups of line-frequency induction heating components, and is provided with dividing plate between two groups.
The first above-mentioned heat tracing structure comprises the adiabator layer and first calandria, and the first heat tracing structure is provided in the holding furnace internal perisporium of fusion crucible front end, and described first calandria is installed in the interior week of adiabator layer.
The second above-mentioned heat tracing structure comprises second calandria and the second heat-preservation cotton layer; Described second calandria is installed in the interior week of the second heat-preservation cotton layer.
Above-mentioned horizontal tube is fitted in the fusion crucible rear end, highly locates apart from fusion crucible bottom 1/3rd.
Above-mentioned holding furnace level is installed on the base of furnace body, and the base of furnace body rear portion is equipped with the support of paying that is used to support magnesium alloy electromagnetic pump.
Compared with prior art; be fitted with an anterior top in the inner chamber of holding furnace of the present utility model and be shaped on the cylindrical fusion crucible of charge door; and charge door is equipped with bell and gas shield device; the cylindrical stack shell of described fusion crucible is set with the line-frequency induction heating component through the first heat-preservation cotton layer; and the rear end of fusion crucible is fitted with in order to the magnesium alloy molten metal is steadily filled the magnesium alloy electromagnetic pump of type through horizontal tube; described magnesium alloy electromagnetic pump is communicated with by discharge nozzle and is used for the wheel hub air injection machine that high pressure solidifies casting mold; described holding furnace internal perisporium is equipped with the first heat tracing structure, and horizontal tube; magnesium alloy electromagnetic pump and discharge nozzle all are equipped with the second heat tracing structure.The utility model adopts magnesium alloy electromagnetic pump to combine with the magnesium alloy holding furnace; and match with the low pressure casting framework platform; fill type by magnesium alloy electromagnetic pump; cavity filling process is steady and avoided holding furnace to need the problem of airtight pressurization at every turn, has realized the reinforced continuity and the gas shield of magnesium alloy liquation.Adopt hydraulic pressure high pressure quick pressurization system during casting solidification, guaranteed the compactness after magnesium alloy hub solidifies.Magnesium alloy electromagnetic pump can guarantee to remain in the stalk magnesium molten metal and be full of state, has avoided owing to the liquid enrichment of the stalk sidewall magnesium alloy oxide inclusion that causes of fluctuating up and down, thereby has caused stopping up stalk.This utility model has satisfied the quantity-produced requirement of magnesium alloy hub fully, and can produce the magnesium alloy hub foundry goods of complete densification.
Description of drawings
Fig. 1 is the utility model embodiment overall structure assembling cross-sectional schematic;
Fig. 2 is the structural representation of wheel hub air injection machine among Fig. 1;
Fig. 3 is the assembling cross-sectional schematic of magnesium alloy holding furnace among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Figure 1 shows that structural representation of the present utility model.
Reference numeral wherein is: holding furnace 1, base of furnace body 11, pair support 12, adiabator layer 21, first calandria 22, the second heat-preservation cotton layer 31, second calandria 32, line-frequency induction coil 41, yoke 42, dividing plate 43, the first heat-preservation cotton layer 44, fusion crucible 5, bell 51, horizontal tube 52, magnesium alloy electromagnetic pump 6, discharge nozzle 61, quick pressurization system 7, stalk 8, stake body 91, dynamic model mechanism 92, counterdie platform 93, left and right sides side form 94.
As shown in Figure 1 to Figure 3, magnesium alloy hub electromagnetic pump low pressure of the present utility model is filled type high pressure coagulation forming system, comprise magnesium alloy electromagnetic pump holding furnace 1 in order to fusing and supply magnesium alloy molten metal, wherein: be fitted with the cylindrical fusion crucible 5 that an anterior top is shaped on charge door in the inner chamber of holding furnace 1, and charge door is equipped with bell 51 and gas shield device, the cylindrical stack shell of fusion crucible is set with the line-frequency induction heating component through the first heat-preservation cotton layer 44, and the rear end of fusion crucible 5 is fitted with in order to the magnesium alloy molten metal is steadily filled the magnesium alloy electromagnetic pump 6 of type through horizontal tube 52, and described magnesium alloy electromagnetic pump 6 is communicated with by discharge nozzle 61 and is used for the wheel hub air injection machine that high pressure solidifies casting mold; Described holding furnace internal perisporium is equipped with the first heat tracing structure, and horizontal tube 52, magnesium alloy electromagnetic pump 6 and discharge nozzle 61 all are equipped with the second heat tracing structure.Fusion crucible 5 is shaped on single charge door, the heating surface (area) (HS of its cylindrical stack shell increases relatively, the line-frequency induction heating component is installed also succinct more, convenient, has desirable heat tracing effect, adopt magnesium alloy electromagnetic pump 6 can control the discharge of magnesium alloy melt easily, thereby can realize that the magnesium alloy molten metal steadily fills type.Reaching holding furnace 1 by magnesium alloy electromagnetic pump 6 joins with the direct connection of wheel hub air injection machine; not only make holding furnace 1 not need to seal again; the reinforced continuity and the gas shield of magnesium alloy liquation have been realized; and realize the protection of magnesium alloy liquid and the removing that is mingled with easily; can when the magnesium metal liquid enters the wheel hub air injection machine, not produce and excessively wash away and turbulent flow, cause the defective that the molten metal oxidation is serious and the inner bits content of foundry goods increases.Magnesium alloy electromagnetic pump 6 can guarantee to remain in the pipeline molten metal and be full of state, therefore can not cause the accumulation of burning cortex, and cause the obstruction of pipeline.
Among the embodiment, the wheel hub air injection machine comprises stake body 91 and is fitted in dynamic model mechanism 92, counterdie platform 93, the left and right sides side form 94 in the stake body and is fitted in stalk 8 on the counterdie platform; Stalk 8 is connected with magnesium alloy electromagnetic pump discharge nozzle 61, and stalk 8 bottoms are equipped with wheel hub and solidify quick pressurization system 7.When adopting quick pressurization system 7 casting solidifications, can guarantee the compactness after magnesium alloy hub solidifies.
The line-frequency induction heating component comprises line-frequency induction coil 41 and yoke 42; The and arranged on left and right sides face that yoke 42 is provided in line-frequency induction coil 41 with and top.Line-frequency induction coil 41 and yoke 42 and fusion crucible 5 match, and will add magnesium ingot fusing in the fusion crucible 5.Line-frequency induction heating component of the present utility model is shaped on two groups, and is provided with dividing plate 43 between two groups.
Among the embodiment, the first heat tracing structure comprises the adiabator layer 21 and first calandria 22, and the first heat tracing structure is provided in the holding furnace internal perisporium of fusion crucible front end, and first calandria 22 is installed in the interior week of adiabator layer 21.The described second heat tracing structure comprises second calandria 32 and the second heat-preservation cotton layer 31; Described second calandria 32 is installed in the interior week of the second heat-preservation cotton layer 31.
The equipped position of the best of horizontal tube 52 of the present utility model is mounted in fusion crucible 5 rear ends, highly locates apart from fusion crucible 5 bottoms 1/3rd.
Among the embodiment, holding furnace 1 level is installed on the base of furnace body 11, and the base of furnace body rear portion is equipped with pair support 12 that is used to support magnesium alloy electromagnetic pump 6.
The utility model is behind the counterdie platform 93 and the mould matched moulds on dynamic model mechanism 92 and the side form 94 that are contained on the wheel hub air injection machine; liquid metal magnesium enters air injection machine stalk 8 under electromagnetic pump 6 drives; and under programme-control, be full of die cavity; at this moment quick pressurization system 7 starts; give the pressurization of stalk 8 inner metal liquids; make magnesium alloy hub solidification and crystallization under high pressure; after solidifying fully on foundry goods; mould on the air injection machine is opened; foundry goods upwards rises with patrix; ejecting mechanism will be taken turns hub casts and be ejected during to certain altitude, finish a casting process.Because molten metal drives lower charging type at electromagnetic pump 6, filling velocity can require steadily to fill type according to foundry goods, can not cause foundry goods volume gas.Simultaneously, after casting process finished, magnesium metal liquid can not flow back in the holding furnace under electromagnetic pump drives, and the liquid magnesium alloy that has guaranteed the stalk inwall can oxidation and cause stalk to stop up.Wheel hub has avoided magnesium alloy hub to be easy to generate the problem of hot tearing owing under high pressure solidify.
The utility model operation principle is: after 41 energisings of line-frequency induction coil, line-frequency induction coil 41 produces induced-current heat fused crucible 5 in fusion crucible 5, and simultaneously, first calandria 22 of energising also will heat in the fusion crucible 5 one end furnace chambers.Meanwhile, second calandria 32 of energising is with discharge nozzle 61, horizontal tube 52 heating.When temperature reaches the magnesium alloy fusion temperature, size of current by control magnesium alloy electromagnetic pump 6 just can be controlled magnesium alloy melt pressure size, thereby reach the purpose of steadily filling type, the magnesium alloy melt enters in the mold cavity through air injection machine stalk 8, be installed in pressure charging system 7 pressurization and magnesium alloy hub charging aperture places fast on the stalk simultaneously, make wheel hub solidification and crystallization under high pressure.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (8)
1. magnesium alloy hub electromagnetic pump low pressure is filled type high pressure coagulation forming system; comprise magnesium alloy electromagnetic pump holding furnace (1) in order to fusing and supply magnesium alloy molten metal; it is characterized in that: be fitted with the cylindrical fusion crucible (5) that an anterior top is shaped on charge door in the inner chamber of described holding furnace (1); and charge door is equipped with bell (51) and gas shield device; the cylindrical stack shell of described fusion crucible is set with the line-frequency induction heating component through the first heat-preservation cotton layer (44); and the rear end of fusion crucible is fitted with in order to the magnesium alloy molten metal is steadily filled the magnesium alloy electromagnetic pump (6) of type through horizontal tube (52); described magnesium alloy electromagnetic pump (6) is communicated with by discharge nozzle (61) and is used for the wheel hub air injection machine that high pressure solidifies casting mold; described holding furnace internal perisporium is equipped with the first heat tracing structure, and horizontal tube (52); magnesium alloy electromagnetic pump (6) and discharge nozzle (61) all are equipped with the second heat tracing structure.
2. magnesium alloy hub electromagnetic pump low pressure according to claim 1 is filled type high pressure coagulation forming system, it is characterized in that: described wheel hub air injection machine comprises stake body (91) and is fitted in dynamic model mechanism (92), counterdie platform (93), the left and right sides side form (94) in the stake body and is fitted in stalk (8) on the counterdie platform; Described stalk (8) is connected with magnesium alloy electromagnetic pump discharge nozzle (61), and stalk (8) bottom is equipped with wheel hub and solidifies quick pressurization system (7).
3. magnesium alloy hub electromagnetic pump low pressure according to claim 2 is filled type high pressure coagulation forming system, it is characterized in that: described line-frequency induction heating component comprises line-frequency induction coil (41) and yoke (42); Described yoke (42) be provided in line-frequency induction coil (41) the left and right side and above.
4. magnesium alloy hub electromagnetic pump low pressure according to claim 3 is filled type high pressure coagulation forming system, it is characterized in that: described fusion crucible is fitted with two groups of line-frequency induction heating components, and is provided with dividing plate (43) between two groups.
5. magnesium alloy hub electromagnetic pump low pressure according to claim 4 is filled type high pressure coagulation forming system, it is characterized in that: the described first heat tracing structure comprises adiabator layer (21) and first calandria (22), and the first heat tracing structure is provided in the holding furnace internal perisporium of fusion crucible front end, and described first calandria (22) is installed in the interior week of adiabator layer (21).
6. magnesium alloy hub electromagnetic pump low pressure according to claim 5 is filled type high pressure coagulation forming system, it is characterized in that: the described second heat tracing structure comprises second calandria (32) and the second heat-preservation cotton layer (31); Described second calandria (32) is installed in the interior week of the second heat-preservation cotton layer (31).
7. magnesium alloy hub electromagnetic pump low pressure according to claim 6 is filled type high pressure coagulation forming system, it is characterized in that: described horizontal tube (52) is fitted in fusion crucible (5) rear end, highly locates apart from fusion crucible (5) bottom 1/3rd.
8. magnesium alloy hub electromagnetic pump low pressure according to claim 7 is filled type high pressure coagulation forming system, it is characterized in that: described holding furnace (1) level is installed on the base of furnace body (11), and the base of furnace body rear portion is equipped with pair support (12) that is used to support magnesium alloy electromagnetic pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205193703U CN201791950U (en) | 2010-09-02 | 2010-09-02 | Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205193703U CN201791950U (en) | 2010-09-02 | 2010-09-02 | Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201791950U true CN201791950U (en) | 2011-04-13 |
Family
ID=43846873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205193703U Expired - Lifetime CN201791950U (en) | 2010-09-02 | 2010-09-02 | Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201791950U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934363A (en) * | 2010-09-02 | 2011-01-05 | 许小忠 | Lower-pressure casting type high-pressure solidification molding system by using magnesium alloy hub electromagnetic pump |
| CN102601347A (en) * | 2012-04-27 | 2012-07-25 | 重庆大学 | Casting device and method of coated magnesium alloy casting by using in-mould spraying method |
| CN102601346A (en) * | 2012-04-25 | 2012-07-25 | 重庆大学 | Casting device and casting method of coated foam magnesium alloy casting |
| CN102601345A (en) * | 2012-04-11 | 2012-07-25 | 重庆大学 | Device and method for casting coated magnesium alloy castings |
| CN107737875A (en) * | 2017-09-22 | 2018-02-27 | 芜湖市鸿坤汽车零部件有限公司 | A kind of wheel hub casting device |
| CN109202040A (en) * | 2018-07-20 | 2019-01-15 | 福建浦汇科技发展有限公司 | A kind of method of casting aluminum rotor |
| CN109877296A (en) * | 2019-04-12 | 2019-06-14 | 天津海特智能装备有限公司 | Electromagnetic drive low pressure casting forms heat balance device |
| CN111889651A (en) * | 2020-07-02 | 2020-11-06 | 蚌埠正峰电子科技有限公司 | High-low pressure fixing and forming system of electromagnetic pump |
| CN114769552A (en) * | 2022-05-09 | 2022-07-22 | 天津海特智能装备有限公司 | Antigravity casting apparatus using electromagnetic pump |
-
2010
- 2010-09-02 CN CN2010205193703U patent/CN201791950U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934363A (en) * | 2010-09-02 | 2011-01-05 | 许小忠 | Lower-pressure casting type high-pressure solidification molding system by using magnesium alloy hub electromagnetic pump |
| CN101934363B (en) * | 2010-09-02 | 2012-11-21 | 许小忠 | Lower-pressure casting type high-pressure solidification molding system by using magnesium alloy hub electromagnetic pump |
| CN102601345A (en) * | 2012-04-11 | 2012-07-25 | 重庆大学 | Device and method for casting coated magnesium alloy castings |
| CN102601346A (en) * | 2012-04-25 | 2012-07-25 | 重庆大学 | Casting device and casting method of coated foam magnesium alloy casting |
| CN102601347A (en) * | 2012-04-27 | 2012-07-25 | 重庆大学 | Casting device and method of coated magnesium alloy casting by using in-mould spraying method |
| CN102601347B (en) * | 2012-04-27 | 2014-04-23 | 重庆大学 | Casting device and method of coated magnesium alloy casting by using in-mould spraying method |
| CN107737875A (en) * | 2017-09-22 | 2018-02-27 | 芜湖市鸿坤汽车零部件有限公司 | A kind of wheel hub casting device |
| CN107737875B (en) * | 2017-09-22 | 2019-10-15 | 芜湖市鸿坤汽车零部件有限公司 | A kind of wheel hub casting device |
| CN109202040A (en) * | 2018-07-20 | 2019-01-15 | 福建浦汇科技发展有限公司 | A kind of method of casting aluminum rotor |
| CN109202040B (en) * | 2018-07-20 | 2020-06-09 | 福建浦汇科技发展有限公司 | Method for casting aluminum on rotor |
| CN109877296A (en) * | 2019-04-12 | 2019-06-14 | 天津海特智能装备有限公司 | Electromagnetic drive low pressure casting forms heat balance device |
| CN111889651A (en) * | 2020-07-02 | 2020-11-06 | 蚌埠正峰电子科技有限公司 | High-low pressure fixing and forming system of electromagnetic pump |
| CN114769552A (en) * | 2022-05-09 | 2022-07-22 | 天津海特智能装备有限公司 | Antigravity casting apparatus using electromagnetic pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201791950U (en) | Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump | |
| CN101934363B (en) | Lower-pressure casting type high-pressure solidification molding system by using magnesium alloy hub electromagnetic pump | |
| CN104985128B (en) | One kind casting multi-laminate pours running gate system and technique | |
| EP3012045B1 (en) | Cast article manufacturing method | |
| CN103978183A (en) | Differential pressure casting machine and casting method | |
| CN104259448A (en) | Casting method and device of magnesium alloy | |
| CN110976814B (en) | Semi-continuous antigravity pouring method for aluminum alloy automobile frame | |
| CN106077494A (en) | A kind of pouring procedure casting VHP main beating cap | |
| CN101618429A (en) | Method for casting hub casts of aerogenerators | |
| CN102166632B (en) | Casting method of large-scale steel ingot | |
| CN104741574A (en) | Low-pressure casting process of aluminum alloy steering joint | |
| JP2905939B2 (en) | Molds and casting and cooling zones in continuous casting plants | |
| CN105436472A (en) | Molten pool type heat preservation casting equipment | |
| CN202224635U (en) | Low-pressure casting device | |
| CN102259164A (en) | System and method for pouring flywheel of automobile | |
| CN202951845U (en) | Hub feeding gating system | |
| CN102248150B (en) | Forming process for embedding aluminum die-casting die into sand-core die | |
| JP2012106277A (en) | Low-pressure casting apparatus and low-pressure casting method | |
| CN103223469A (en) | Gap type pouring system for casting aluminum alloy metal type cylinder cover | |
| CN201267869Y (en) | Unidirectional solidification device of super-thick plate blank | |
| CN105014035A (en) | Device for simulating initial solidification of liquid steel in crystallizer | |
| CN201807706U (en) | Dual-section type crystallizer for hollow cast ingot | |
| CN102133628A (en) | Casting method of aluminum alloy rod parts and casting equipment for realizing same | |
| CN203900407U (en) | Assembling die for casting steel ingots | |
| CN205767348U (en) | A kind of injection mold with function of temperature control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110413 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |