CN201753363U - Porous foam metal preparation device using molten metal aeration method - Google Patents
Porous foam metal preparation device using molten metal aeration method Download PDFInfo
- Publication number
- CN201753363U CN201753363U CN2010201920037U CN201020192003U CN201753363U CN 201753363 U CN201753363 U CN 201753363U CN 2010201920037 U CN2010201920037 U CN 2010201920037U CN 201020192003 U CN201020192003 U CN 201020192003U CN 201753363 U CN201753363 U CN 201753363U
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- metal
- porous foam
- high frequency
- frequency ultrasonic
- foams
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Abstract
The utility model discloses a porous foam metal preparation device using a molten metal aeration method, which comprises a molten metal tank, a foaming chamber, a fluid hole, an isolation wall, an air release valve and a metal crystallizer. A high-frequency ultrasonic vibrator mounted in the middle of the metal crystallizer is connected with a high-frequency ultrasonic power supply used for adjusting vibration frequency, amplitude and power of the high-frequency ultrasonic vibrator. The porous foam metal preparation device starts the high-frequency ultrasonic vibrator, leads foams to be smashed by ultrasonic vibration under the action of high-frequency ultrasonic vibration when molten metal containing the foams passes the metal crystallizer, one foam is smashed into a plurality of smaller foams, and the smashing degree and the sizes of the foams can be conformed to requirements by adjusting the vibration frequency and the amplitude of the high-frequency ultrasonic vibrator. The porous foam metal preparation device has the advantages of even sizes and distribution of the foams formed by the aid of high-frequency ultrasonic vibration, simple technique, low cost and suitability for popularization and application to large-scale production.
Description
Technical field
The utility model belongs to the metallic substance technology of preparing of mechanical engineering field, particularly a kind of equipment for preparing porous foam metal with the metal melt inflation process.
Background technology
Porous metal material with foamy structure is because its special structure formation, not only have weldability, can conduct electricity, general metal properties such as extending, and more demonstrate self characteristic at aspects such as energy-absorbing damping, high damping, noise elimination noise reduction, heat insulation heat exchange, electromagnetic shielding, air-and water-permeables, be widely used in fields such as industry, health care, building trade, environmental protection cause and high and new technology.State according to metal in the preparation process divides, and the preparation method of porous foam metal mainly contains liquid phase method, solid phase method and metal deposition.The foaming of the liquid metal method such as method that can reduce foaming by direct gas-blowing foaming method, metal hydride realizes; The foaming of solid metal can be passed through methods such as powder metallurgic method, powder foam method, metal hollow ball method and metal-powder fiber sintering method and realize; Metal deposition is to adopt the method for chemistry or physics to realize.But all there are some problems in these methods:
1, metal hydride reduces foaming method because the metal hydride decomposition course is restive, and there is the cost problem of higher in the bubble of its formation equally with direct air blast foaming; Because the existence of H forms hydrogen embrittlement easily, worsen the mechanical property of metal again, only be suitable for the foaming of Al, Mg metal, then inapplicable to Ti metal and alloy thereof.
2, the foaming of Al metal can only use direct inflation foaming to prepare foamed metal, but in preparation process, because gathering, the merging of bubble, the pore size in the Al foamed metal is restive, pore size is not of uniform size, thereby the performance of material is produced adverse influence.
Summary of the invention
Be to solve the problems referred to above that prior art exists, the purpose of this utility model be to propose a kind of preparation technology simple, with low cost, go for that multiple metal foaming and pore size can control prepare the equipment of porous foam metal with the metal melt inflation process.
To achieve these goals, the technical solution of the utility model is as follows: a kind of equipment for preparing porous foam metal with the metal melt inflation process, comprise the metal melt groove, foaming chamber, fluid bore, divider wall, snifting valve, the metallic crystal device, described metal melt groove separates with foaming chamber by the divider wall of band fluid bore, snifting valve is arranged at described foaming chamber top, the side links to each other with the metallic crystal device, the middle part of described metallic crystal device is equipped with the high frequency ultrasound vibrator, described high frequency ultrasound vibrator be used to regulate its vibrational frequency, the high frequency ultrasound power supply of amplitude and watt level connects.
Metallic crystal device described in the utility model adopts bolt to be connected with the high frequency ultrasound vibrator.
The experiment power of high frequency ultrasound vibrator described in the utility model is 400～500W, and vibrational frequency is 21.8kHz, and amplitude is 1.4～2.0 * 10
-5M, magnetzation current is 6～10A during experiment, screen current is 1～2A.
Compared with prior art, the utlity model has following beneficial effect:
1, because the utility model can adopt the high frequency ultrasound vibration that metal melt is carried out thermal vibration, make metal melt produce a large amount of bubbles, the gas that is dissolved in the liquid can be spread in the bubble; For direct air blast foaming, under the high frequency ultrasound vibration condition, bubble produces the fragmentation effect, is a large amount of small bubbles than the air pocket fragmentation.The bubble size that high frequency ultrasound vibration forms, be evenly distributed, this method technology is simple, and cost is low, and suitable scale operation is applied.
2, the utility model does not have strict restriction to the gas that is adopted, and adopts rare gas element Ar, He, N
2, CO
2Or the like, metal structure structure and mechanical property are had no adverse effects, overcome metal hydride and reduced foaming in the method H element to the detrimentally affect of metal structure structures such as Ti metal and alloy, iron and steel and mechanical property, applicable to the foaming of multiple metal.
3, the utility model is by adjusting frequency, the amplitude of high frequency ultrasound vibration, can adjust the reactive force of ultrasonic wave to bubble, the fragmentation degree and the bubble size of control bubble can change the aperture size size of part within a large range, are fit to large-scale industrial application.
Description of drawings
The utility model is 1 of drawings attached only, wherein:
Fig. 1 prepares the structural representation of the equipment of porous foam metal with the metal melt inflation process.
Among the figure, 1, the metal melt groove, 2, foaming chamber, 3, fluid bore, 4, divider wall, 5, snifting valve, 6, the metallic crystal device, 7, the high frequency ultrasound vibrator, 8, the high frequency ultrasound power supply, 9, metal melt, 10, tracheae, 11, bubble, 12, foam metal material.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further, as shown in Figure 1, a kind of equipment for preparing porous foam metal with the metal melt inflation process, comprise metal melt groove 1, foaming chamber 2, fluid bore 3, divider wall 4, snifting valve 5, metallic crystal device 6, described metal melt groove 1 separates with foaming chamber 2 by the divider wall 4 of band fluid bore 3, snifting valve 5 is arranged at described foaming chamber 2 tops, the side links to each other with metallic crystal device 6, the middle part of described metallic crystal device 6 is equipped with high frequency ultrasound vibrator 7, described high frequency ultrasound vibrator 7 be used to regulate its vibrational frequency, the high frequency ultrasound power supply 8 of amplitude and watt level connects.Described metallic crystal device 6 adopts bolt to be connected with high frequency ultrasound vibrator 7.The experiment power of described high frequency ultrasound vibrator 7 is 400～500W, and vibrational frequency is 21.8kHz, and amplitude is 1.4～2.0 * 10
-5M, magnetzation current is 6～10A during experiment, screen current is 1～2A.
Using method of the present utility model may further comprise the steps:
A, with the METAL HEATING PROCESS in the metal melt groove 1 to about 200-300 more than the fusing point ℃, form metal melt 9;
B, metal melt 9 is charged into air by tracheae 10;
C, startup high frequency ultrasound vibrator 7, when making the metal melt 9 that contains bubble 11 pass through metallic crystal device 6, under the high frequency ultrasound oscillating action, bubble 11 is by ultrasonic vibration generation fragmentation, and bubble 11 fragmentations are several more tiny bubbles 11; Adjust the vibrational frequency and the amplitude of high frequency ultrasound vibrator 7, the fragmentation degree and the bubble of bubble 11 are of the required size;
D, make the metal melt 9 that contains tiny pore afterbody solidification and crystallization, form porous foam metal material 12 at metallic crystal device 6.
Claims (3)
1. equipment for preparing porous foam metal with the metal melt inflation process, comprise metal melt groove (1), foaming chamber (2), fluid bore (3), divider wall (4), snifting valve (5), metallic crystal device (6), described metal melt groove (1) separates with foaming chamber (2) by the divider wall (4) of band fluid bore (3), snifting valve (5) is arranged at described foaming chamber (2) top, the side links to each other with metallic crystal device (6), it is characterized in that: the middle part of described metallic crystal device (6) is equipped with high frequency ultrasound vibrator (7), described high frequency ultrasound vibrator (7) be used to regulate its vibrational frequency, the high frequency ultrasound power supply (8) of amplitude and watt level connects.
2. according to claim 1ly a kind ofly prepare the equipment of porous foam metal with the metal melt inflation process, it is characterized in that: described metallic crystal device (6) adopts bolt to be connected with high frequency ultrasound vibrator (7).
3. according to claim 1ly a kind ofly prepare the equipment of porous foam metal with the metal melt inflation process, it is characterized in that: the experiment power of described high frequency ultrasound vibrator (7) is 400～500W, and vibrational frequency is 21.8kHz, and amplitude is 1.4～2.0 * 10
-5M, magnetzation current is 6～10A during experiment, screen current is 1～2A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201920037U CN201753363U (en) | 2010-05-14 | 2010-05-14 | Porous foam metal preparation device using molten metal aeration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201920037U CN201753363U (en) | 2010-05-14 | 2010-05-14 | Porous foam metal preparation device using molten metal aeration method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201753363U true CN201753363U (en) | 2011-03-02 |
Family
ID=43621095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201920037U Expired - Fee Related CN201753363U (en) | 2010-05-14 | 2010-05-14 | Porous foam metal preparation device using molten metal aeration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201753363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128105A (en) * | 2018-08-21 | 2019-01-04 | 安徽省鸣新材料科技有限公司 | Production method based on foam melt method batch micro operations foamed aluminium filling member |
-
2010
- 2010-05-14 CN CN2010201920037U patent/CN201753363U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128105A (en) * | 2018-08-21 | 2019-01-04 | 安徽省鸣新材料科技有限公司 | Production method based on foam melt method batch micro operations foamed aluminium filling member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20110514 |