CN206188667U - Preparation system of high refractive index vacuum sintering material - Google Patents
Preparation system of high refractive index vacuum sintering material Download PDFInfo
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- CN206188667U CN206188667U CN201621259544.0U CN201621259544U CN206188667U CN 206188667 U CN206188667 U CN 206188667U CN 201621259544 U CN201621259544 U CN 201621259544U CN 206188667 U CN206188667 U CN 206188667U
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- sintering
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- tantalum pentoxide
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Abstract
The utility model provides a preparation system of high refractive index vacuum sintering material, does include zirconium dioxide the specific ratio mixing arrangement of tantalum pentoxide, zirconium dioxide tantalum pentoxide sieving mechanism, grinder, suppression forming device, high temperature sintering device and vacuum sintering device, zirconium dioxide the tantalum pentoxide sieving mechanism includes 200 mesh sieves net and blendor, suppression forming device is the 20t tablet press, high temperature sintering device is 1300 DEG C of big gas -burning freezings of a furnace of elema high temperature, there is high temperature sintered molded utensil in the high temperature sintering device, the vacuum sintering device is the vacuum furnace, there is the vacuum sintering mould in the vacuum sintering device, its characterized in that: grinder includes ball -milling jar, 5 mesh sieves net and zirconia ball, high temperature sintered molded utensil with putting of vacuum sintering mould is put according to superimposed mode.
Description
Technical field
The utility model is related to a kind of preparation system of Coating Materials, and in particular to a kind of high index of refraction vacuum-sintering material
Preparation system, belong to metallurgical technology field.
Background technology
With the lifting and the popularization of electronic product of camera technique, video camera, digital camera, mobile phone, security monitoring video camera into
It is the necessity of people's life.And these requirement must all use pick-up lens, and these camera lenses are inevitably applied
To the coating technique of high and low refractive index Coating Materials.
In existing Coating Materials preparation process, grinding typically uses miniature batch mixer, can only allow compound particles
Evenly, but compound particles crystal grain can not be allowed more to refine, internal aggregate structure in mixture can not be removed.In addition,
In high temperature sintering and vacuum-sintering, often occur because internal nonuniform heating, causes the problem that refractive index is unstable.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of preparation side of high index of refraction vacuum-sintering material
Method, on the basis of existing technology, by the grinding of zirconia ball, solves and allows compound particles crystal grain more to refine, and can also go
Except internal aggregate structure in mixture, combination of the mixture in sintering process is not influenceed.Meanwhile, by the pendulum of sintering mold
Put, solve the problems, such as internal nonuniform heating, the problem of finished product refractive index is greatly improved.It is public by the utility model
The preparation method of a kind of high index of refraction vacuum-sintering material opened, it is possible to provide specific refractive index is burnt for the vacuum of 1.95-2.10
Knot material.
The technical solution of the utility model is as follows：
A kind of preparation system of high index of refraction vacuum-sintering material, including the specific proportioning of zirconium dioxide-tantalum pentoxide is mixed
Attach together put, zirconium dioxide-tantalum pentoxide screening plant, lapping device, compression molding device, high temp sintering device and vacuum are burnt
Knot device；Zirconium dioxide-tantalum pentoxide screening plant includes 200 eye mesh screens and batch mixer；The compression molding device is 20t
Tablet press machine；The high temp sintering device is 1300 DEG C of Elema high temperature atmosphere sintering furnaces, has high temperature in the high temp sintering device
Sintering mold, the preferential corundum plate of high temperature sintering mould；The vaccum sintering device is vacuum drying oven, the vaccum sintering device
Inside there are vacuum-sintering mould, the preferential high-strength graphite plate of vacuum-sintering mould, it is characterised in that：The lapping device includes ball
Grinding jar, 5 eye mesh screens and zirconia ball；The mode put according to superposition of the high temperature sintering mould and the vacuum-sintering mould
Put.Its concrete technology step is：
Step one, Zirconium dioxide powder：Purity more than 99.95, D50=0.5-3 μm, normal distribution；Tantalum pentoxide powder
End：Purity more than 99.99%, D50=3-8 μm, normal distribution.
Step 2, by zirconium dioxide：Tantalum pentoxide is 85 according to mass ratio：15%-95：5% mixing, after artificial stirring,
Mix sieving 5 times by 200 eye mesh screens, and by batch mixer batch mixing 8 hours.
Step 3, by the powder after sieving press 1：The mass ratio of 0.1-1 adds 8% polyvinyl alcohol water solution, after its mixing
Weight is referred to as material weight.
Step 4, the zirconia ball for the quality such as adding in the mixture that step 3 is made, the mass ratio of zirconia ball is
（25mm balls：18mm balls：12mm ball=1:1:1）, it is added in ball grinder, grind 6-12 hours, form compound particles crystal grain more
Refinement.
Step 5, crossed with 5mm screen clothes and sift out zirconia ball, obtain the solidliquid mixture with certain bonding force.
Step 6, solidliquid mixture is compressed into tablet form material by 20t tablet press machines, briquetting pressure 1-2Mpa can make solid
Liquid mixture is pressed into sheet gauge material, and after shaping, density of material need to be controlled in 3.5-3.7g/cm3。
Step 7, the flaky material for being pressed into step 6 are burnt by 1300 DEG C of Elema high temperature atmosphere sintering furnaces, high temperature
There is high temperature sintering mould in knot device, the preferential corundum plate of high temperature sintering mould puts down the flaky material that step 6 is pressed into successively
Be placed in high temperature sintering mould, it is ensured that in high-temperature sintering process can thermally equivalent, high temperature sintering die layout mode according to
The mode of superposition is put.
Sintering temperature curve is as follows：
0-850 DEG C, 1-3 DEG C of heating rate/min；
850-1000 DEG C, 1-2 DEG C of heating rate/min；
1000 DEG C, it is incubated 120min；
Come out of the stove below 100 DEG C of Temperature fall.
The sintered state zirconium tantalum semi-finished product of white plates are obtained after coming out of the stove.
Step 8, the sintered state zirconium tantalum semi-finished product of the white plates for being made step 7 are by vaccum sintering device, vacuum
There is vacuum-sintering mould in sintering equipment, the preferential high-strength graphite plate of vacuum-sintering mould, the white plates that step 7 is made
Sintered state zirconium tantalum semi-finished product lie in vacuum-sintering mould successively, it is ensured that during vacuum-sintering can thermally equivalent, very
Empty sintering mold disposing way is put according to the mode of superposition.
Vacuum-sintering temperature curve is as follows：
Vacuum：1×10-1Below pa；
1450-1550 DEG C, 2-15 DEG C of heating rate/min；
1450-1550 DEG C, it is incubated 2-5h；
Come out of the stove below 100 DEG C of Temperature fall.
Grey black sheet, density are obtained after coming out of the stove for 5.0-5.6g/cm3, refractive index be 1.95-2.10 zirconiums tantalum plate membrane material
Material.
The utility model has the advantages that：By the grinding of zirconia ball, solve and allow compound particles crystal grain
The problem for more refining, can also remove internal aggregate structure in mixture, and combination of the mixture in sintering process is not influenceed.Together
When, by putting for sintering mold, internal nonuniform heating being solved the problems, such as, the problem of finished product refractive index is greatly carried
It is high.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the preparation method of high index of refraction vacuum-sintering material of the utility model；
Fig. 2 is high temperature sintering mould or vacuum-sintering die layout mode.
Reference is expressed as in figure：
1- zirconium dioxides-tantalum pentoxide it is specific proportioning mixing arrangement, 2- zirconium dioxides-tantalum pentoxide screening plant,
21-200 eye mesh screens, 22- batch mixers, 3- lapping devices, 31- ball grinders, 32-5 eye mesh screens, 33- zirconia balls, 4- are compressing
Device, 41-20t tablet press machines, 5- high temp sintering devices, 51-1300 DEG C of Elema high temperature atmosphere sintering furnace, 52- high temperature sintering moulds
Tool, 6- vaccum sintering devices, 61- vacuum drying ovens, 62- vacuum-sintering moulds.
Specific embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of preparation system of high index of refraction vacuum-sintering material, including zirconium dioxide-tantalum pentoxide is special
Surely mixing arrangement 1, zirconium dioxide-tantalum pentoxide screening plant 2, lapping device 3, compression molding device 4, high temperature sintering are matched
Device 5 and vaccum sintering device 6；Zirconium dioxide-tantalum pentoxide screening plant 2 includes 200 eye mesh screens 21 and batch mixer 22；Institute
Compression molding device 4 is stated for 20t tablet press machines 41；The high temp sintering device 5 is 1300 DEG C of Elema high temperature atmosphere sintering furnaces 51,
There are high temperature sintering mould 52, the preferential corundum plate of high temperature sintering mould 52 in the high temp sintering device 5；The vacuum-sintering
Device 6 is have vacuum-sintering mould 62 in vacuum drying oven 61, the vaccum sintering device 6, and the vacuum-sintering mould 62 is preferential high
Strong graphite cake, the lapping device 3 includes the eye mesh screen 32 of ball grinder 31,5 and zirconia ball 33；The He of high temperature sintering mould 52
Putting for the vacuum-sintering mould 62 is put according to the mode of superposition.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (3)
1. a kind of specific proportioning mixing of preparation system of high index of refraction vacuum-sintering material, including zirconium dioxide-tantalum pentoxide
Device（1）, zirconium dioxide-tantalum pentoxide screening plant（2）, lapping device（3）, compression molding device（4）, high temperature sintering dress
Put（5）And vaccum sintering device（6）；Zirconium dioxide-tantalum pentoxide screening plant（2）Including 200 eye mesh screens（21）And batch mixing
Machine（22）；The compression molding device（4）It is 20t tablet press machines（41）；The high temp sintering device（5）For 1300 DEG C of Elemas are high
Warm air sintering furnace（51）, the high temp sintering device（5）Inside there is high temperature sintering mould（52）；The vaccum sintering device（6）
It is vacuum drying oven（61）, the vaccum sintering device（6）Inside there is vacuum-sintering mould（62）；It is characterized in that：The lapping device
（3）Including ball grinder（31）, 5 eye mesh screens（32）And zirconia ball（33）；The high temperature sintering mould（52）Burnt with the vacuum
Knot mould（62）Put according to superposition mode put.
2. the preparation system of a kind of high index of refraction vacuum-sintering material according to claim 1, it is characterised in that:The height
Warm sintering mold（52）It is corundum plate.
3. the preparation system of a kind of high index of refraction vacuum-sintering material according to claim 1, it is characterised in that:It is described true
Empty sintering mold（62）It is high-strength graphite plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259544.0U CN206188667U (en) | 2016-11-23 | 2016-11-23 | Preparation system of high refractive index vacuum sintering material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259544.0U CN206188667U (en) | 2016-11-23 | 2016-11-23 | Preparation system of high refractive index vacuum sintering material |
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| Publication Number | Publication Date |
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| CN206188667U true CN206188667U (en) | 2017-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195187A (en) * | 2021-12-15 | 2022-03-18 | 福建阿石创新材料股份有限公司 | Coating material and preparation method and application thereof |
-
2016
- 2016-11-23 CN CN201621259544.0U patent/CN206188667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195187A (en) * | 2021-12-15 | 2022-03-18 | 福建阿石创新材料股份有限公司 | Coating material and preparation method and application thereof |
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