CN101905308A - High pressure water cooling method and device applied to low pressure casting technology - Google Patents
High pressure water cooling method and device applied to low pressure casting technology Download PDFInfo
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- CN101905308A CN101905308A CN 201010251058 CN201010251058A CN101905308A CN 101905308 A CN101905308 A CN 101905308A CN 201010251058 CN201010251058 CN 201010251058 CN 201010251058 A CN201010251058 A CN 201010251058A CN 101905308 A CN101905308 A CN 101905308A
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Abstract
The invention relates to a high pressure water cooling method and a high pressure water cooling device applied to low pressure casting technology. The method comprises the following steps of: fixedly arranging the high pressure water cooling device which mainly comprises a top die water cooling tray and a bottom die cooling tray in a wheel hub casting mould, particularly on parts inside a top die and a bottom die of the casting mould corresponding to PCD parts of a wheel hub, and introducing high pressure cooling water in both the top die water cooling tray and the bottom die water cooling tray during the casting so as to fulfill the aim of quickly cooling a cast. The device mainly comprises the top die water cooling tray and the bottom die cooling tray which are fixedly arranged at the parts inside the top die and the bottom die of the casting mould corresponding to the PCD parts of the wheel hub. The high pressure water cooling method of the invention has the advantages of reducing the using amount of a casting material while the mechanical performance of the wheel hub is improved, effectively prolonging the service life of the casting mould and reducing the production cost, along with high cooling speed, high cooling efficiency, energy conservation and environmental protection; and meanwhile, the high pressure water cooling device has the advantages of simple structure, easy manufacturing and convenient assembling and maintenance and can be widely applied to the casting technology of automobile aluminum alloy wheel hubs or other metal casts.
Description
Technical field
The present invention relates to cooling means and equipment in the low-pressure casting process, relate in particular to a kind of water under high pressure cooling method and device that is applied in the low-pressure casting process.
Background technology
Along with the develop rapidly of auto industry, the version of wheel hub is maked rapid progress, and this performance and manufacturing to wheel hub proposes more and more higher requirement.Because of no matter the low pressure casting technology is operability in technology, or methods such as the performances of product, cost, all have ultra-traditional foundry engieering far away a bit, so become the development trend that present wheel hub is made.
The general employing is provided with air cooling system and carries out time control and cool off in the existing aluminium alloy wheel hub low-pressure casting process in the mold of mainly being made up of patrix 1 ' and counterdie 2 ', as shown in Figure 1, patrix rib airduct 3, patrix PCD airduct 4 and patrix that this air cooling system generally comprises towards the mold inner chamber are shunted sub-airduct 5 and counterdie airduct 6, in the casting process of aluminium alloy wheel hub, ventilate in mold by above-mentioned air cooling system, thereby make the wheel hub cooling forming.Existing this wind cooling method cooling velocity is slow, cooling effect is not good enough, it is huge to consume energy, easily cause the wheel hub local temperature too high, and to sting mould serious on the wheel rim surface of wheel hub, this has not only influenced the qualification rate of product, strengthened the workload of following process, and cause production efficiency low, and can seriously reduce the service life of casting mould, significantly improve the production cost of manufacturer.
Summary of the invention
The objective of the invention is to propose a kind of water under high pressure cooling method and device that is applied in the low-pressure casting process, it can realize the quick cooling to wheel hub, effectively improve product yield, performance and production efficiency, reduce production costs, thereby overcome deficiency of the prior art.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of water under high pressure cooling method that is applied in the low-pressure casting process is characterized in that this method is:
The water under high pressure device for cooling is set in the wheel hub mold, this water under high pressure device for cooling comprises the patrix aqueous cold plate and the counterdie aqueous cold plate of fixedlying connected with upper die and lower die respectively, and described patrix aqueous cold plate and counterdie aqueous cold plate are communicated with peripheral hardware chilled(cooling) water supply (CWS) equipment and cooling water reclaimer;
In casting process, all pass to cooling water in patrix aqueous cold plate and the counterdie aqueous cold plate, and pressure, flow and the duration of input cooling water decide on the cast hub specification.
Say that further described patrix aqueous cold plate and counterdie aqueous cold plate are fixedly set in the inboard corresponding wheel hub PCD of upper die and lower die position respectively.
Described patrix aqueous cold plate and counterdie aqueous cold plate are the disc-shaped component with hollow cavity, and at least two cooling water input ports that are communicated with hollow cavity arranged in a crossed manner and cooling water delivery outlet on the disc-shaped component.
Also be provided with the sub-cooling-water duct of shunting corresponding to wheel hub mold cast gate position on the described patrix aqueous cold plate, in casting process, this is shunted in the sub-cooling-water duct and is connected with cooling water.
Also be provided with air cooling equipment in the described wheel hub mold, and in casting process by this air cooling equipment wheel hub rib position is cooled off.
A kind of water under high pressure device for cooling that is applied in the low-pressure casting process, it is characterized in that: this water under high pressure device for cooling comprises the patrix aqueous cold plate and the counterdie aqueous cold plate of fixedlying connected with upper die and lower die respectively, and described patrix aqueous cold plate and counterdie aqueous cold plate are communicated with peripheral hardware chilled(cooling) water supply (CWS) equipment and cooling water reclaimer.
Particularly: described patrix aqueous cold plate and counterdie aqueous cold plate are fixedly set in the inboard corresponding wheel hub PCD of upper die and lower die position respectively.
Described patrix aqueous cold plate and counterdie aqueous cold plate are the disc-shaped component with hollow cavity, and at least two cooling water input ports that are communicated with hollow cavity arranged in a crossed manner and cooling water delivery outlet on the disc-shaped component; In addition, also be provided with the sub-cooling-water duct of shunting corresponding to wheel hub mold cast gate position on the described patrix aqueous cold plate.
Also be provided with air cooling equipment in the described wheel hub mold, and in casting process by this air cooling equipment wheel hub rib position is cooled off.
Described chilled(cooling) water supply (CWS) equipment and cooling water reclaimer are interconnected or are wholely set, and form the recirculated cooling water supply system.
This case inventor is at the deficiency of wind cooling method and device in the existing low-pressure casting process, through studying for a long period of time and putting into practice, water under high pressure cooling method of the present invention and device are proposed, it is by on composition wheel hub mold, on the counterdie, especially go up, the counterdie inboard is provided with aqueous cold plate corresponding to wheel hub PCD position, and look the cast hub specification and in aqueous cold plate, pass to cooling water, cast hub can be cooled off fast, the cooling effectiveness height, the wheel hub wheel rim of producing does not have the mould of stinging phenomenon, and the wheel hub mechanical performance is promoted, can prolong simultaneously the service life of mold, reduce energy resource consumption, reduce production cost, also can reach the effect of energy-saving and emission-reduction.
Make aqueous cold plate and foundry goods can realize rapidly heat exchange effect fully for reaching, upper and lower mould aqueous cold plate adopts the inner hollow design, and a plurality of cooling water inlets arranged in a crossed manner and outlet on each aqueous cold plate, and the cooling water system of input is the current of pressurized treatments.Simultaneously, consider that mold cast gate place temperature is higher than other position, on the patrix cooler pan, also be provided with the sub-cooling-water duct of shunting, so that this position is further cooled off fast.
Postscript is for the less wheel hub rib position of thickness, because of it is easy to cooling, so in casting process, can cool off it with air cooling equipment in addition, can reduce change amplitude like this, also make each position cooling velocity cooling comparatively uniformly of wheel hub simultaneously original cooling system.
Compared with prior art, beneficial effect of the present invention is: this is applied to, and water under high pressure cooling method cooling velocity in the low-pressure casting process is fast, cooling effectiveness is high, energy-conserving and environment-protective, can be in the mechanical performance that promotes wheel hub, reduce the founding materials consumption, and can effectively prolong mold service life, reduce production costs; Simultaneously, this water under high pressure device for cooling that is applied in the low-pressure casting process is simple in structure, is easy to make, and is convenient to assembling and safeguards.The present invention can be widely used in the casting technique of aluminium alloy wheel hub of vehicle or other metal castings.
Description of drawings
Fig. 1 is the structural representation that is applied to the air cooling system in the aluminium alloy wheel hub low-pressure casting process in the prior art;
Fig. 2 is the metallographic structure photo of the aluminium alloy wheel hub made of available technology adopting wind cooling method;
Fig. 3 is a kind of structural representation that is applied to the water under high pressure device for cooling in the low-pressure casting process in the specific embodiment of the invention;
Fig. 4 is the cross-sectional view of the aqueous cold plate of patrix shown in Fig. 3;
Fig. 5 is the metallographic structure photo of the aluminium alloy wheel hub that employing water under high pressure cooling method is made in the specific embodiment of the invention.
The specific embodiment
Below in conjunction with an accompanying drawing and a preferred embodiment of the present invention technical scheme of the present invention is elaborated.
Present embodiment relates to the low-pressure casting process of aluminium alloy automobile hub, adopts the water under high pressure cooling method that foundry goods (that is, aluminium alloy automobile hub) is cooled off in this technology, and this water under high pressure cooling method is that mat one water under high pressure device for cooling is realized.As Fig. 3～4, this water under high pressure device for cooling comprises the patrix 1 that is fixedly set in mold respectively and the upper and lower mould aqueous cold plate 7,8 at counterdie 2 inboard corresponding wheel hub PCD positions, this patrix aqueous cold plate 7 and counterdie aqueous cold plate 8 are the disc-shaped component with hollow cavity, and the symmetrical chiasma setting is communicated with hollow cavity on the disc-shaped component two cooling water input ports and two cooling water delivery outlets.The cooling water input port 71,72 of patrix aqueous cold plate 7 is connected (cooling water flow is to shown in arrow among the figure) with patrix PCD water inlet pipe 9 with patrix PCD outlet pipe respectively with cooling water delivery outlet 71 ', 72 '; Same, the cooling water input port of counterdie aqueous cold plate 8 is connected with counterdie PCD outlet pipe with counterdie PCD water inlet pipe respectively with the cooling water delivery outlet.
Simultaneously, also be provided with the sub-cooling-water duct 10 of shunting corresponding to wheel hub mold cast gate position on the described patrix aqueous cold plate, this is shunted sub-cooling-water duct and patrix and shunts sub-cooling water inlet pipe 11 and shunt sub-cooling water outlet pipe (not shown) with patrix and be connected.In addition, also be provided with air cooling equipment in the described mold, it is connected with airduct inlet on being arranged on patrix by patrix rib airduct 4, in order in casting process wheel hub rib position is cooled off, simultaneously, also be provided with the wind tube outlet (not shown) on the patrix.
Above-mentioned upper and lower mould PCD water inlet pipe, upper and lower mould PCD outlet pipe and patrix are shunted sub-cooling water pipe and are communicated with the chilled(cooling) water supply (CWS) equipment and the cooling water reclaimer of peripheral hardware respectively, preferably, chilled(cooling) water supply (CWS) equipment and cooling water reclaimer can adopt the structure that is wholely set or communicates with each other, thereby form the recirculated cooling water supply system, to reduce externally discharged waste water, economize on resources.
The process that present embodiment water under high pressure cooling method carries out is:
At first the upper die and lower die combination is mold, and aluminium soup is injected in beginning in mold, simultaneously, utilize the water purification supply equipment through last, counterdie PCD water inlet pipe and patrix are shunted sub-cooling water pipe upwards, feed cooling water in the counterdie aqueous cold plate, the pressure of cooling water, flow and duration decide on the cast hub specification, cooling water is last, in the counterdie aqueous cold plate with the abundant heat exchange of foundry goods after, again through last, counterdie PCD outlet pipe enters in the cooling water reclaimer, in the cooling water reclaimer after purified treatment, import once more in the water purification supply equipment, so that recycle, so, reach casting hub, especially to the cooling rapidly and efficiently at its PCD position;
In this water-cooled process, also accompany by air-cooled equipment of mat and patrix rib airduct and wheel hub rib position is carried out air-cooled, same, the wind speed of cooling blast, flow and duration also should decide on the regulation of wheel hub.
Various cooling water pipes in the present embodiment can adopt iron pipe etc., so that it had than the long life, reduce consumption, and produce better heat exchange property.
The pure water (pH value be 3-5) of the cooling water that adopts in the present embodiment for making through water purification machine, cooling water after repeatedly recycling can enter in the casting tank through the circulatory system and cool off foundry goods, thereby reduce energy consumption, the conserve water resource reaches the purpose of environmental emission reduction.
Find that through practical application than traditional wind cooling method, mat method of the present invention and device can produce following good effect:
(1) foundry goods shortens more than 20% piece rate, and foundry goods do not have the mould of stinging phenomenon, and the casting scrappage reduces more than 16%;
(2) foundry goods single-piece water consumption reduces more than 41%, the electric consumption reduces more than 25.7%, and gas consumption reduces more than 7.4%;
(3) the foundry goods casting heavily alleviates rate more than 5%, embryo heavily alleviates rate more than 6%, and as shown in Figure 5, the foundry goods tissue is the Eutectic Silicon in Al-Si Cast Alloys nodularization, than air-cooled foundry goods (as shown in Figure 2, the foundry goods tissue, present the needle-like Eutectic Silicon in Al-Si Cast Alloys), tissue crystals (DAS) molecule is more even, its tensile strength 〉=250Mpa, percentage elongation 〉=5%, impact strength promotes more than 20%;
(4) the mold life-span can prolong more than 8.9%.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. water under high pressure cooling method that is applied in the low-pressure casting process is characterized in that this method is:
The water under high pressure device for cooling is set in the wheel hub mold, this water under high pressure device for cooling comprises the patrix aqueous cold plate and the counterdie aqueous cold plate of fixedlying connected with upper die and lower die respectively, and described patrix aqueous cold plate and counterdie aqueous cold plate are communicated with peripheral hardware chilled(cooling) water supply (CWS) equipment and cooling water reclaimer;
In casting process, all pass to cooling water in patrix aqueous cold plate and the counterdie aqueous cold plate, and pressure, flow and the duration of input cooling water decide on the cast hub specification.
2. the water under high pressure cooling method that is applied in the low-pressure casting process according to claim 1 is characterized in that: described patrix aqueous cold plate and counterdie aqueous cold plate are fixedly set in the inboard corresponding wheel hub PCD of upper die and lower die position respectively.
3. the water under high pressure cooling method that is applied in the low-pressure casting process according to claim 1 and 2, it is characterized in that: described patrix aqueous cold plate and counterdie aqueous cold plate are the disc-shaped component with hollow cavity, and at least two cooling water input ports that are communicated with hollow cavity arranged in a crossed manner and cooling water delivery outlet on the disc-shaped component.
4. the water under high pressure cooling method that is applied in the low-pressure casting process according to claim 1 and 2, it is characterized in that: also be provided with the sub-cooling-water duct of shunting corresponding to wheel hub mold cast gate position on the described patrix aqueous cold plate, in casting process, this is shunted in the sub-cooling-water duct and is connected with cooling water.
5. the water under high pressure cooling method that is applied in the low-pressure casting process according to claim 1 is characterized in that: also be provided with air cooling equipment in the described wheel hub mold, and in casting process by this air cooling equipment wheel hub rib position is cooled off.
6. water under high pressure device for cooling that is applied in the low-pressure casting process, it is characterized in that: this water under high pressure device for cooling comprises the patrix aqueous cold plate and the counterdie aqueous cold plate of fixedlying connected with upper die and lower die respectively, and described patrix aqueous cold plate and counterdie aqueous cold plate are communicated with peripheral hardware chilled(cooling) water supply (CWS) equipment and cooling water reclaimer.
7. the water under high pressure device for cooling that is applied in the low-pressure casting process according to claim 1 is characterized in that: described patrix aqueous cold plate and counterdie aqueous cold plate are fixedly set in the inboard corresponding wheel hub PCD of upper die and lower die position respectively.
8. according to claim 6 or the 7 described water under high pressure device for cooling that are applied in the low-pressure casting process, it is characterized in that: described patrix aqueous cold plate and counterdie aqueous cold plate are the disc-shaped component with hollow cavity, and at least two cooling water input ports that are communicated with hollow cavity arranged in a crossed manner and cooling water delivery outlet on the disc-shaped component; In addition, also be provided with the sub-cooling-water duct of shunting corresponding to wheel hub mold cast gate position on the described patrix aqueous cold plate.
9. the water under high pressure device for cooling that is applied in the low-pressure casting process according to claim 6 is characterized in that: described chilled(cooling) water supply (CWS) equipment and cooling water reclaimer are interconnected or are wholely set, and form the recirculated cooling water supply system.
10. the water under high pressure device for cooling that is applied in the low-pressure casting process according to claim 6 is characterized in that: also be provided with air cooling equipment in the described wheel hub mold, and in casting process by this air cooling equipment wheel hub rib position is cooled off.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010251058 CN101905308A (en) | 2010-08-12 | 2010-08-12 | High pressure water cooling method and device applied to low pressure casting technology |
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| CN 201010251058 CN101905308A (en) | 2010-08-12 | 2010-08-12 | High pressure water cooling method and device applied to low pressure casting technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357850A (en) * | 2012-03-30 | 2013-10-23 | 天津戴卡轮毂制造有限公司 | Automobile wheel hub low-pressure casting vacuum water cooling mold system |
| CN104353809A (en) * | 2014-12-05 | 2015-02-18 | 重庆戴卡捷力轮毂制造有限公司 | Water-cooled die-casting die for manufacturing aluminium alloy hubs |
| CN104439164A (en) * | 2014-12-25 | 2015-03-25 | 中信戴卡股份有限公司 | Bottom die water spot cooling device used for hub casting and method for cooling bottom die |
| CN104439162A (en) * | 2014-12-19 | 2015-03-25 | 天津立中车轮有限公司 | Quick assembly and disassembly method for low-pressure casting aluminum alloy wheel dies |
| CN104550846A (en) * | 2015-01-22 | 2015-04-29 | 昆山众异特机械工业有限公司 | Mold air and water combined cooling system and low-pressure wheel hub mold with same |
| CN112756582A (en) * | 2020-12-23 | 2021-05-07 | 岳西县恒意机械有限公司 | Aluminum alloy low-pressure casting forming device and system thereof |
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| JPH07178531A (en) * | 1993-12-22 | 1995-07-18 | Nissan Motor Co Ltd | Method for casting disk blank for forging in road wheel and its casting device |
| CN1309003A (en) * | 2000-02-16 | 2001-08-22 | 宋修民 | Method for improving die casting technology of aluminium hub |
| CN101530903A (en) * | 2009-04-21 | 2009-09-16 | 中信戴卡轮毂制造股份有限公司 | A water-cooling apparatus for casting hub mold |
| CN201735767U (en) * | 2010-08-12 | 2011-02-09 | 苏州源成铝制品制造有限公司 | High-pressure water-cooling device applied in low-pressure casting process |
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| US5314001A (en) * | 1991-02-27 | 1994-05-24 | Honda Giken Kabushiki Kaisha | Method of casting vehicle wheel |
| JPH07178531A (en) * | 1993-12-22 | 1995-07-18 | Nissan Motor Co Ltd | Method for casting disk blank for forging in road wheel and its casting device |
| CN1309003A (en) * | 2000-02-16 | 2001-08-22 | 宋修民 | Method for improving die casting technology of aluminium hub |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357850A (en) * | 2012-03-30 | 2013-10-23 | 天津戴卡轮毂制造有限公司 | Automobile wheel hub low-pressure casting vacuum water cooling mold system |
| CN103357850B (en) * | 2012-03-30 | 2015-08-05 | 天津戴卡轮毂制造有限公司 | Automobile Wheel in Low Pressure Casting vacuum water-cooled mold system |
| CN104353809A (en) * | 2014-12-05 | 2015-02-18 | 重庆戴卡捷力轮毂制造有限公司 | Water-cooled die-casting die for manufacturing aluminium alloy hubs |
| CN104439162A (en) * | 2014-12-19 | 2015-03-25 | 天津立中车轮有限公司 | Quick assembly and disassembly method for low-pressure casting aluminum alloy wheel dies |
| CN104439162B (en) * | 2014-12-19 | 2016-08-24 | 天津立中车轮有限公司 | A kind of pressure cast aluminum-alloy wheel mould quick despatch method |
| CN104439164A (en) * | 2014-12-25 | 2015-03-25 | 中信戴卡股份有限公司 | Bottom die water spot cooling device used for hub casting and method for cooling bottom die |
| CN104439164B (en) * | 2014-12-25 | 2017-01-18 | 中信戴卡股份有限公司 | Bottom die water spot cooling device used for hub casting and method for cooling bottom die |
| CN104550846A (en) * | 2015-01-22 | 2015-04-29 | 昆山众异特机械工业有限公司 | Mold air and water combined cooling system and low-pressure wheel hub mold with same |
| CN112756582A (en) * | 2020-12-23 | 2021-05-07 | 岳西县恒意机械有限公司 | Aluminum alloy low-pressure casting forming device and system thereof |
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Application publication date: 20101208 |