CN104174835B - A kind of method and device thereof improving fluid and mold hot exchange efficiency - Google Patents
A kind of method and device thereof improving fluid and mold hot exchange efficiency Download PDFInfo
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- CN104174835B CN104174835B CN201410290287.6A CN201410290287A CN104174835B CN 104174835 B CN104174835 B CN 104174835B CN 201410290287 A CN201410290287 A CN 201410290287A CN 104174835 B CN104174835 B CN 104174835B
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Abstract
The invention discloses a kind of method and the device thereof that improve fluid and mold hot exchange efficiency, first its method is, the fluid that will flow in the cooling/heating passage of mould is first incorporated in the ultrasonic container of band air bleeding valve; Secondly, control ultrasonic transducer by supersonic generator and ultrasonic wave is applied to the fluid in ultrasonic container, make the fluid in ultrasonic container produce ultrasonic wave and vibrate and be delivered in the cooling/heating passage of mould; Finally, fluid is concuss in cooling/heating passage, significantly improves the heat exchanger effectiveness between itself and mould, thus the quick cooling realized mould or heating.The present invention can significantly improve fluid and mold hot exchange efficiency, realizes quick cooling die or rapidly heating moulds, can shorten the production cycle of single products like this, enhance productivity.
Description
Technical field
The present invention relates to the technical field that mold temperature controls, refer in particular to a kind of method and the device thereof that improve fluid and mold hot exchange efficiency.
Background technology
Mould is instrument conventional in industrial production, needs to control well the temperature of mould in actual production process.The temperature of mould controls to comprise to mold heated and cooling, if wish that melt is fast curing-formed, this just needs to cool to its fast cooling, the cooling system of Here it is mould; And sometimes in order to give mould and die preheating, making mould remain on uniform temperature, just needing to mold heated.In die temperance control, pass to low temperature or high temperature fluid at mould internal channel and realize the cooling of mould or heating is conventional way.Such as, patent 200620015517.9, describes a kind of diecasting punching head of water-cooling type, and the aluminium liquid of high temperature conducts heat to mould, makes mold temperature continue to rise, and at this moment just needs to implement cooling to mould; Patent 200920207288.4 describes a kind of low-pressure casting mold oil-cooling temperature-reducing device.For the cooling of mould, what generally take is pass in cooling pipe by cooling medium, and cooling medium and mould ad-hoc location carry out heat exchange, and mold temperature is reduced.But, accelerate at present the method for mold cools down heat exchange main or by increasing entrance flow velocity, reduce channel internal diameter and realize, and increase the power that entrance velocity potential necessity increases water pump, and to reduce channel internal diameter role be also limited.Improve fluid thermal exchange capacity, except the fluid that searching has Rapid Thermal exchange capacity, can also be realized by methods such as mechanical agitation, vibration, insert flow-disturbings.Such as, patent 201320532431.3 describes a kind of employing and combines tie insert reinforced heat exchanger, core flow and boundary layer fluid can be replaced subregion by this insert, improve the mixed effect of core flow and boundary layer fluid, reach the object of enhanced heat exchange.But, although insert is conducive to enhanced heat exchange in pipeline, also bring certain pressure loss, and the fouling of insert reduces important factor that exchange capability of heat is also its use of restriction.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and shortcoming, a kind of effective, raising fluid and mold hot exchange efficiency reliably method and device thereof are provided.
For achieving the above object, its method improving fluid and mold hot exchange efficiency of technical scheme provided by the present invention is: first, and the fluid that will flow in the cooling/heating passage of mould is first incorporated in the ultrasonic container of band air bleeding valve; Secondly, control ultrasonic transducer by supersonic generator and ultrasonic wave is applied to the fluid in ultrasonic container, make the fluid in ultrasonic container produce ultrasonic wave and vibrate and be delivered in the cooling/heating passage of mould; Finally, fluid is concuss in cooling/heating passage, significantly improves the heat exchanger effectiveness between itself and mould, thus the quick cooling realized mould or heating.
When needing the heat exchanger effectiveness improving fluid and mould further, vibrating arm can be extended into the die cavity in mould, and the vibrating arm generation ultrasonic wave identical with the fluid frequency applying cooling/heating passage in flow through molds is vibrated, realize producing ultrasonic wave vibration to the material in mold cavity, final two ul-trasonic irradiations resonate on mould, improve the heat exchanger effectiveness of fluid and mould further.
When needing the heat exchanger effectiveness improving fluid and mould further, porous media can be inserted to the cooling/heating passage in mould, making the fluid flow through in cooling/heating passage produce turbulent flow, to improve fluid and mold hot exchange efficiency further.
Device of the present invention, include ultrasonic container, ultrasonic transducer, the supersonic generator of band air bleeding valve, wherein, described air bleeding valve is located at the extreme higher position of ultrasonic container, the fluid intake of described ultrasonic container passes through the tank of pipeline connecting band water pump or die heater; Its fluid issuing is by the cooling/heating passage in pipeline connecting mold; Described ultrasonic transducer is cemented in the outer surface of ultrasonic container, and is electrically connected with supersonic generator, is controlled to apply ultrasonic wave to the fluid entered in ultrasonic container by described supersonic generator.
Vibrating arm has been put in the die cavity of described mould, and described vibrating arm is consolidated with another ultrasonic transducer, described ultrasonic transducer is electrically connected with supersonic generator, controlled to apply ultrasonic wave to vibrating arm by described supersonic generator, and the vibrating arm generation ultrasonic wave identical with the fluid frequency applying cooling/heating passage in flow through molds is vibrated.
Cooling/heating passage in described mould is inserted with porous media, makes the fluid flow through in cooling/heating passage produce turbulent flow.
Described porous media is the foam copper identical with cooling/heating channel diameter.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, concuss in the cooling/heating passage of fluid in mould under ul-trasonic irradiation, fluid and mold hot exchange efficiency can be significantly improved, realize quick cooling die or rapidly heating moulds, the production cycle of single products can be shortened like this, enhance productivity;
2, the material that is formed in mold cavity can be made to cool fast, obtain rapid solidification structure, improve the mechanical property of formation of parts;
3, the heat exchange of fluid and mould is abundant, and the temperature difference on mould reduces, and the temperature of mould is comparatively even;
4, apply hyperacoustic structure to fluid simple, be easy to realize, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the present invention in embodiment 1.
Fig. 2 is the structural representation of device of the present invention in embodiment 2.
Fig. 3 is the structural representation of device of the present invention in embodiment 3.
Fig. 4 is the structural representation of device of the present invention in embodiment 4.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
Raising fluid described in the present embodiment and the method for mold hot exchange efficiency, its concrete condition is as follows:
First, the fluid that will flow in the cooling/heating passage of mould is first incorporated in the ultrasonic container of band air bleeding valve; Secondly, control ultrasonic transducer by supersonic generator and ultrasonic wave is applied to the fluid in ultrasonic container, make the fluid in ultrasonic container produce ultrasonic wave and vibrate and be delivered in the cooling/heating passage of mould; Finally, fluid is concuss in cooling/heating passage, significantly improves the heat exchanger effectiveness between itself and mould, thus the quick cooling realized mould or heating.
As shown in Figure 1, for the device of the present embodiment said method can be realized, it includes ultrasonic container 2, ultrasonic transducer 3, the supersonic generator 4 of band air bleeding valve 1, wherein, described air bleeding valve 1 is located at the extreme higher position of ultrasonic container 2, the fluid intake of described ultrasonic container 2 passes through the tank 6 of pipeline connecting band water pump 5, and is connected with filter 12 between described water pump 5 and ultrasonic container 2; Its fluid issuing is by the cooling/heating passage 8 in pipeline connecting mold; Described ultrasonic transducer 3 is cemented in the outer surface of ultrasonic container 2, and is electrically connected with supersonic generator 4, is controlled to apply ultrasonic wave to the fluid entered in ultrasonic container 2 by described supersonic generator 4.
In Foundry Production, the aluminium liquid of high temperature conducts heat to mould, makes mold temperature continue to rise, and at this moment just needs to implement cooling to mould.As shown in Figure 1, water pump 5 by temperature in tank 6 lower than in the water suction ultrasonic container 2 of mold temperature, after water enters ultrasonic container 2, gas can accumulate to air bleeding valve 1 place, open air bleeding valve 1, along with water constantly enters ultrasonic container 2, gas can be discharged from air bleeding valve 1, the complete rear closedown air bleeding valve 1 of air scavenge; Water afterwards in ultrasonic container 2 controls ultrasonic transducer 3 through supersonic generator 4 and works, and makes the fluid in ultrasonic container 2 produce ultrasonic wave and vibrates and be delivered in the cooling/heating passage 8 of mould; Cooling water concuss in the cooling/heating passage 8 of mould afterwards, significantly improve the heat exchanger effectiveness between water and mould, last water flows out from the delivery port of mould again, takes the heat discharged by moulding material in the die cavity 9 of mould out of, realizes the quick cooling to mould.
Embodiment 2
As shown in Figure 2, vibrating arm 10 has been put in the die cavity 9 of mould described in the present embodiment as different from Example 1, and described vibrating arm 10 is consolidated with another ultrasonic transducer 11, described ultrasonic transducer 11 is electrically connected with supersonic generator 4, controlled to apply ultrasonic wave to vibrating arm 10 by described supersonic generator 4, and the vibrating arm 10 generation ultrasonic wave identical with the fluid frequency applying cooling/heating passage 8 in flow through molds is vibrated, realize producing ultrasonic wave vibration to the material in mold cavity, final two ul-trasonic irradiations resonate on mould, the heat exchanger effectiveness of further raising fluid and mould.
Embodiment 3
As shown in Figure 3, the fluid intake of ultrasonic container 2 described in the present embodiment connects die heater 7 by pipeline as different from Example 1, be magnesium alloy by shaping material in the die cavity 9 of mould, heating mould during the cooling/heating passage 8 that die heater 7 makes temperature flow through in mould higher than the oil of mold temperature.
Embodiment 4
As shown in Figure 4, the fluid intake of ultrasonic container 2 described in the present embodiment connects die heater 7 by pipeline as different from Example 2, heating mould during the cooling/heating passage 8 that die heater 7 makes temperature flow through in mould higher than the oil of mold temperature.
Embodiment 5
Porous media is inserted with in cooling/heating passage 8 as different from Example 1 in mould described in the present embodiment, be specially the foam copper identical with cooling/heating passage 8 diameter, the fluid flow through in cooling/heating passage 8 is made to produce turbulent flow, to improve fluid and mold hot exchange efficiency further.
The examples of implementation of the above are only the preferred embodiment of the present invention, not limit practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are done, all should be encompassed in protection scope of the present invention.
Claims (5)
1. improve a method for fluid and mold hot exchange efficiency, it is characterized in that: first, the fluid that will flow in the cooling/heating passage of mould is first incorporated in the ultrasonic container of band air bleeding valve; Secondly, control ultrasonic transducer by supersonic generator and ultrasonic wave is applied to the fluid in ultrasonic container, make the fluid in ultrasonic container produce ultrasonic wave and vibrate and be delivered in the cooling/heating passage of mould; Finally, fluid is concuss in cooling/heating passage, significantly improves the heat exchanger effectiveness between itself and mould, thus the quick cooling realized mould or heating; When needing the heat exchanger effectiveness improving fluid and mould further, vibrating arm can be extended into the die cavity in mould, and the vibrating arm generation ultrasonic wave identical with the fluid frequency applying cooling/heating passage in flow through molds is vibrated, realize producing ultrasonic wave vibration to the material in mold cavity, final two ul-trasonic irradiations resonate on mould, improve the heat exchanger effectiveness of fluid and mould further.
2. a kind of method improving fluid and mold hot exchange efficiency according to claim 1, it is characterized in that: when needs improve the heat exchanger effectiveness of fluid and mould further, porous media can be inserted to the cooling/heating passage in mould, the fluid flow through in cooling/heating passage is made to produce turbulent flow, to improve fluid and mold hot exchange efficiency further.
3. one kind can realize the device of the method improving fluid and mold hot exchange efficiency described in claim 1, it is characterized in that: the ultrasonic container (2), ultrasonic transducer (3), the supersonic generator (4) that include band air bleeding valve (1), wherein, described air bleeding valve (1) is located at the extreme higher position of ultrasonic container (2), the fluid intake of described ultrasonic container (2) passes through the tank (6) of pipeline connecting band water pump (5) or die heater (7); Its fluid issuing is by the cooling/heating passage (8) in pipeline connecting mold; Described ultrasonic transducer (3) is cemented in the outer surface of ultrasonic container (2), and be electrically connected with supersonic generator (4), controlled to apply ultrasonic wave to the fluid entered in ultrasonic container (2) by described supersonic generator (4); Described mould has die cavity (9), vibrating arm (10) has been put in die cavity (9), and described vibrating arm (10) is consolidated with another ultrasonic transducer (11), described ultrasonic transducer (11) is electrically connected with supersonic generator (4), controlled to apply ultrasonic wave to vibrating arm (10) by described supersonic generator (4), and vibrating arm (10) the generation ultrasonic wave identical with the fluid frequency applying cooling/heating passage (8) in flow through molds is vibrated.
4. device according to claim 3, is characterized in that: the cooling/heating passage (8) in described mould is inserted with porous media, makes the fluid flow through in cooling/heating passage (8) produce turbulent flow.
5. device according to claim 4, is characterized in that: described porous media is the foam copper identical with cooling/heating passage (8) diameter.
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| CN104174835B true CN104174835B (en) | 2016-02-24 |
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| CN110064732A (en) * | 2019-05-14 | 2019-07-30 | 广东鸿特精密技术（台山）有限公司 | A kind of casting mould and its manufacturing method that Quick uniform is cooling |
| CN110033926B (en) * | 2019-05-21 | 2021-07-27 | 国网福建省电力有限公司邵武市供电公司 | Intelligent ultrasonic cooling method for main transformer of transformer substation |
| CN110033925B (en) * | 2019-05-21 | 2021-07-27 | 国网福建省电力有限公司邵武市供电公司 | Ultrasonic intelligent cooling device of main transformer |
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| CN102284448A (en) * | 2011-08-17 | 2011-12-21 | 玉溪玉杯金属制品有限公司 | Ultrasonic cleaning circulating system for galvanized steel wire |
| CN103552223A (en) * | 2013-11-08 | 2014-02-05 | 山东大学 | Rapid heating and cooling method and system of injection mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS58159958A (en) * | 1982-03-19 | 1983-09-22 | Nippon Kokan Kk <Nkk> | Continuous casting machine |
| CN1435309A (en) * | 2002-01-28 | 2003-08-13 | 金仁植 | Mold temp. controlling system |
| CN1797755A (en) * | 2004-12-30 | 2006-07-05 | 财团法人工业技术研究院 | Heat elimination / cooling set of ultrasonic spray |
| CN101839656A (en) * | 2009-03-17 | 2010-09-22 | 铜联商务咨询（上海）有限公司 | Sleeve-type efficient foam metal heat exchanger |
| CN101586924A (en) * | 2009-06-11 | 2009-11-25 | 绍兴文理学院 | Adopt the superturbulent flow heat exchanger and the heat-exchange method of ultrasonic wave cavitation reinforcement |
| CN102284448A (en) * | 2011-08-17 | 2011-12-21 | 玉溪玉杯金属制品有限公司 | Ultrasonic cleaning circulating system for galvanized steel wire |
| CN103552223A (en) * | 2013-11-08 | 2014-02-05 | 山东大学 | Rapid heating and cooling method and system of injection mould |
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Effective date of registration: 20181219 Address after: 526070 Factory No. 8 of Guangdong Hongte Precision Technology Co., Ltd. in North 10 District of Guicheng New Town, Dinghu District, Zhaoqing City, Guangdong Province Patentee after: Guangdong Hong te precision technology Zhaoqing Co., Ltd. Address before: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: South China University of Technology |
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