CN202516531U - Pressure-equalizing diamond synthesizing device - Google Patents
Pressure-equalizing diamond synthesizing device Download PDFInfo
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- CN202516531U CN202516531U CN2012201664133U CN201220166413U CN202516531U CN 202516531 U CN202516531 U CN 202516531U CN 2012201664133 U CN2012201664133 U CN 2012201664133U CN 201220166413 U CN201220166413 U CN 201220166413U CN 202516531 U CN202516531 U CN 202516531U
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- pyrophillite
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Abstract
The utility model discloses a pressure-equalizing diamond synthesizing device. The pressure-equalizing diamond synthesizing device comprises a cubic apparatus; each holding-up hammer of the cubic apparatus is provided with an indent arc pressing surface; all the indent arc pressing surfaces form a spherical pressing cavity; each of a pair of opposite holding-up hammers is provided with an electric conduction electrode; the electric conduction electrodes are insulated from the corresponding holding-up hammers; the pressure-equalizing diamond synthesizing device also comprises a spherical raw material synthesizing block which is made of graphite and accelerant; the raw material synthesizing block is provided with a spherical pyrophyllite synthesizing bowl which is matched with the spherical pressing cavity; the spherical pyrophyllite synthesizing bowl is provided with an electric conduction communication device which corresponds to the electric conduction electrodes and the raw material synthesizing block; the raw material synthesizing block and the pyrophyllite synthesizing bowl have shapes of spheres which are matched with each other; the pressing surface of each holding-up hammer has a shape of an indent arc which is matched with that of the holding-up hammer; the holding-up hammers apply pressure to the raw material synthesizing block in six directions; pressure in the spherical pressing cavity is uniform, and any angle of the raw material synthesizing block can be uniformly extruded; meanwhile, the raw material synthesizing block is electrified to be heated quickly and uniformly and is high in resistance; and the synthesis efficiency of diamond is improved.
Description
Technical field
The utility model relates to a kind of diamond synthesizer.
Background technology
Diamond is the firmest a kind of carbon structure; Carbon atom is wherein arranged with the form of crystal structure; Each carbon atom and the other tight bonding of four carbon atom are three-dimensional positive tetrahedron structure between the diamond atom, are pyramid structure; Become the space network structure, formed finally that a kind of hardness is big, the solid of poor activity; Carbon atom lumps together with plane stratiform structural bond in the graphite, and bonding is relatively fragile between layer and the layer, therefore easy slip and being separated between layer and the layer.Under high-temperature high-pressure state; Can form covalent bond between the carbon atom between the graphite different layers; Reach certain time limit when this high-temperature high-pressure state duration; Form covalent bond between the carbon atom of a large amount of graphite different layers mutually, the layer structure of graphite gradates and is network structure, and graphite is converted into diamond.So,, under the effect of catalyst, can utilize the graphite diamond synthesis at high-temperature high-pressure state.
The capital equipment of diamond synthesis monocrystalline has two kinds now: the one, and external top, two sides; The 2nd, domestic cubic apparatus.Principle all is under HTHP, to make the graphite catalyst be transformed into diamond.
All be to adopt square pyrophillite piece (insulation, pressure transmission, heat insulation, insulation function), conducting steel ring (being commonly called as " plug "), synthetic post (producing adamantine catalyst post) at present.Through heat treated, be placed in the cubic apparatus then and synthesize after assembling.Because whole assembly all is square or planar rondure, this structure influence temperature equalization and the equilibrium of pressure of inside cavity, so some characteristics of diamond grit of producing, form, hardness or the like are unbalanced.Equally; Because traditional press top hammer is square, and the inside cavity of pyrophillite assembled block is a cylinder, thus the transmission of internal pressure and electric current move towards unbalanced; Therefore the temperature and pressure of the synthetic post of pyrophillite assembled block inside is also unbalanced, influences adamantine combined coefficient.
Summary of the invention
The utility model first technical problem to be solved provides a kind of raw material that can guarantee synthesizes the piece pressurized and is heated evenly, thereby improves the equal die mould diamond synthesizer of diamond combined coefficient.
For solving the problems of the technologies described above; The technical scheme of the utility model is: equal die mould diamond synthesizer; Comprise cubic apparatus, the top hammer of said cubic apparatus has indent arc roof pressure face, and said indent arc roof pressure face forms spherical roof pressure chamber; Be respectively equipped with conductive electrode on the wherein a pair of relative said top hammer, said conductive electrode with insulate between corresponding said top is hammered into shape;
Also comprise the synthetic piece of the spherical raw material of processing by graphite and catalyst; Be equipped with on the synthetic piece of said raw material and the synthetic alms bowl of the spherical pyrophillite of said spherical roof pressure chamber coupling, be equipped with on the synthetic alms bowl of said pyrophillite and said conductive electrode and the synthetic corresponding conductive communication device of piece of said raw material.
As a kind of optimized technical scheme, six said indent arc roof pressure face shapes are identical.
As a kind of optimized technical scheme, said conductive communication device comprises and said conductive electrode and the synthetic corresponding conductive cap of piece of said raw material, insulation between said conductive cap and all the said top hammers.
As a kind of optimized technical scheme, the synthetic alms bowl of said spherical pyrophillite comprises two synthetic alms bowls of hemispherical pyrophillite of coupling each other.
Owing to adopted technique scheme; Equal die mould diamond synthesizer; Comprise cubic apparatus; The top hammer of said cubic apparatus has indent arc roof pressure face; Said indent arc roof pressure face forms spherical roof pressure chamber; Be respectively equipped with conductive electrode on the wherein a pair of relative said top hammer, said conductive electrode with insulate between corresponding said top is hammered into shape; Also comprise the synthetic piece of the spherical raw material of making by graphite and catalyst; Be equipped with on the synthetic piece of said raw material and the synthetic alms bowl of the spherical pyrophillite of said spherical roof pressure chamber coupling, be equipped with on the synthetic alms bowl of said pyrophillite and said conductive electrode and the synthetic corresponding conductive communication device of piece of said raw material; Synthetic piece of raw material and the synthetic alms bowl of pyrophillite are the sphere of mating each other; The roof pressure face of top hammer is the indent arc that is complementary with it; The top hammer is exerted pressure to the synthetic piece of raw material from six direction, and spherical roof pressure cavity pressure is even, and any angle of the synthetic piece of raw material can both be subjected to even extruding; To the synthetic piece energising of raw material heating,, heat up rapidly evenly simultaneously because the synthetic piece resistance of raw material is higher; Improved adamantine combined coefficient.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein,
Fig. 1 is the utility model embodiment roof pressure view;
Fig. 2 is that the utility model embodiment treats the roof pressure view;
Fig. 3 is the assembled state sketch map of synthetic alms bowl of the spherical pyrophillite of the utility model embodiment and the synthetic piece of raw material;
Fig. 4 is synthetic alms bowl of the spherical pyrophillite of the utility model embodiment and the synthetic piece disassembled state sketch map of raw material;
Among the figure: 1-pushes up hammer; 11-indent arc roof pressure face; The spherical roof pressure of 2-chamber; The 3-conductive electrode; The 4-raw material synthesizes piece; The 5-pyrophillite synthesizes alms bowl; The 61-conductive cap; The 62-insulating barrier; The 63-electrode jack.
The specific embodiment
Describe exemplary embodiment with reference to the accompanying drawings in detail according to the utility model.Here, it should be noted that in the accompanying drawings, give structure and the essentially identical part of function, and, omitted about the redundancy of substantially the same part and described in order to make specification simpler and clearer with identical Reference numeral.
As depicted in figs. 1 and 2, all die mould diamond synthesizer comprises cubic apparatus, comprises six top hammers 1, only show among Fig. 1 and Fig. 2 up and down with about four top hammer 1 sections, it is 1 not shown that two tops of vertical section direction are hammered into shape; The top hammer 1 of said cubic apparatus has indent arc roof pressure face 11; Six said indent arc roof pressure face 11 shapes are identical; Said indent arc roof pressure face 11 forms spherical roof pressure chamber 2; Be respectively equipped with conductive electrode 3 on the wherein a pair of relative said top hammer, said conductive electrode 3 with insulate between corresponding said top hammers 1 into shape;
Like Fig. 3 and shown in Figure 4; Also comprise the synthetic piece 4 of the spherical raw material of processing by graphite and catalyst; Be equipped with on the synthetic piece 4 of said raw material and the synthetic alms bowl 5 of the spherical pyrophillite of said spherical roof pressure chamber 2 couplings, the synthetic alms bowl 5 of said spherical pyrophillite comprises two synthetic alms bowls 5 of hemispherical pyrophillite of coupling each other; The conductive communication device corresponding with the synthetic piece of said conductive electrode 3 and said raw material 4 is installed on the synthetic alms bowl 5 of the hemispherical pyrophillite of the synthetic alms bowl 5 of said pyrophillite; Said conductive communication device comprises the conductive cap 61 corresponding with the synthetic piece of said conductive electrode 3 and said raw material 4; Insulation between said conductive cap 61 and all the said top hammers 1; Said conductive cap 61 is provided with insulating barrier 62 towards the end face of adjacent said top hammer 1; Said insulating barrier 62 is provided with the electrode jack 63 corresponding with said conductive electrode 3, and the end of said conductive electrode 3 is inserted said electrode jack 63 and contacted with said conductive cap 61.The conductive electrode 3 that promptly is positioned at two relative top hammers 1 is communicated with through the synthetic piece 4 of corresponding conductive cap 61 and raw material.
The synthetic piece 4 of raw material is processed after being mixed by graphite powder and catalyst powder, and catalyst can adopt materials such as Co, Ni.
The synthetic piece 4 of raw material is spherical; The roof pressure face of top hammer 1 is the indent arc that is complementary with it; After starting cubic apparatus; Top hammer 1 is exerted pressure to the synthetic piece 4 of raw material from six direction; Spherical roof pressure chamber 2 internal pressures are even; The synthetic cavity pressure that the synthetic alms bowl 5 of pyrophillite surrounds is also even, and any angle of the synthetic piece 4 of raw material can both be subjected to even extruding; To be positioned at two conductive electrode 3 places in circuit that push up relatively on the hammer 1; The conductive cap 61 that electric current is answered through a conductive electrode 3, with this electrode pair, raw material synthetic piece 4, another electric cap and another conductive electrode 3; To the synthetic piece 4 energising heating of raw material; Because synthetic piece 4 resistances of raw material are higher; It is very many to produce heat, heats up rapidly evenly; The pressure of uniform balance and the temperature of uniform balance have improved adamantine combined coefficient.
A kind of diamond synthetic method based on equal die mould diamond synthesizer comprises the steps:
⑴ mix graphite powder and catalyst, is made into the synthetic piece 4 of spherical raw material;
⑵ make the synthetic alms bowl 5 of spherical pyrophillite, and the synthetic alms bowl 5 of said spherical pyrophillite comprises two synthetic alms bowls 5 of hemispherical pyrophillite of coupling each other; The synthetic alms bowl 5 of said spherical pyrophillite has the cavity that holds the synthetic piece 4 of said spherical raw material, and the synthetic piece 4 of said raw material is installed in the synthetic alms bowl 5 of said spherical pyrophillite; The conductive communication device corresponding with the synthetic piece of said conductive electrode 3 and said raw material 4 is installed on the synthetic alms bowl 5 of said pyrophillite; Said conductive communication device comprises the conductive cap 61 corresponding with the synthetic piece of said conductive electrode 3 and said raw material 4, and said conductive cap 61 insulate between hammering 1 into shape with all said tops;
⑶ be placed into the assembly of synthetic alms bowl 5 of pyrophillite and the synthetic piece 4 of raw material on the workbench of cubic apparatus then, and it is identical that the top of said cubic apparatus hammer 1 has 11, six said indent arc roof pressure face 11 shapes of indent arc roof pressure face; Said indent arc roof pressure face 11 forms spherical roof pressure chamber 2; The assembly of synthetic alms bowl 5 of said pyrophillite and the synthetic piece 4 of raw material is positioned at said spherical roof pressure chamber 2; Be respectively equipped with conductive electrode 3 on the wherein a pair of relative said top hammer 1, said conductive electrode 3 with insulate between corresponding said top hammers 1 into shape; Make the said conductive cap 61 on the synthetic alms bowl 5 of said pyrophillite corresponding with said conductive electrode 3;
⑷ start cubic apparatus, the synthetic alms bowl 5 of top hammer 1 extruding pyrophillite, and the pressure in the synthetic alms bowl 5 of pyrophillite raises; Treat that pressure is increased to 2.1～5.8Gpa, simultaneously with conductive electrode 3 and power connection, the synthetic piece 4 energising heating of raw material; Temperature is increased to 1100～1500 ℃, is incubated after 2～5 minutes, slowly cools to below 80 ℃; Slowly removal pressure is removed the synthetic alms bowl 5 of pyrophillite to normal pressure then, takes out at last and contains adamantine sintered body.
Because all die mould diamond synthesizer can guarantee that synthetic piece 4 pressurizeds of raw material are all even and is heated evenly, i.e. pressure conduction is balanced, and current trend is balanced; Pyrophillite synthesizes the inside cavity temperature equalization that alms bowl 5 surrounds, and not only can improve the efficient of diamond synthesis, and the grade of diamond synthesis is higher, form is more complete.
As stated, described the embodiment of the utility model in the above particularly, but the utility model is not limited thereto.It should be appreciated by those skilled in the art, can carry out various modifications, combination, son combination or replacement according to designing requirement or other factors, and they are in the scope of accompanying claims and equivalent thereof.
Claims (4)
1. equal die mould diamond synthesizer; It is characterized in that: comprise cubic apparatus; The top hammer of said cubic apparatus has indent arc roof pressure face; Said indent arc roof pressure face forms spherical roof pressure chamber, is respectively equipped with conductive electrode on the wherein a pair of relative said top hammer, said conductive electrode with insulate between corresponding said top is hammered into shape;
Also comprise the synthetic piece of the spherical raw material of processing by graphite and catalyst; Be equipped with on the synthetic piece of said raw material and the synthetic alms bowl of the spherical pyrophillite of said spherical roof pressure chamber coupling, be equipped with on the synthetic alms bowl of said pyrophillite and said conductive electrode and the synthetic corresponding conductive communication device of piece of said raw material.
2. equal die mould diamond synthesizer as claimed in claim 1 is characterized in that: six said indent arc roof pressure face shapes are identical.
3. equal die mould diamond synthesizer as claimed in claim 1 is characterized in that: said conductive communication device comprises and said conductive electrode and the synthetic corresponding conductive cap of piece of said raw material, insulation between said conductive cap and all the said top hammers.
4. like claim 1,2 or 3 described equal die mould diamond synthesizers, it is characterized in that: the synthetic alms bowl of said spherical pyrophillite comprises two synthetic alms bowls of hemispherical pyrophillite of coupling each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201664133U CN202516531U (en) | 2012-04-19 | 2012-04-19 | Pressure-equalizing diamond synthesizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201664133U CN202516531U (en) | 2012-04-19 | 2012-04-19 | Pressure-equalizing diamond synthesizing device |
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| CN202516531U true CN202516531U (en) | 2012-11-07 |
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| CN2012201664133U Withdrawn - After Issue CN202516531U (en) | 2012-04-19 | 2012-04-19 | Pressure-equalizing diamond synthesizing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658061A (en) * | 2012-04-19 | 2012-09-12 | 山东日能超硬材料有限公司 | Pressure-equalizing type diamond synthesis device and diamond synthesis method based on device |
| CN105056837A (en) * | 2015-07-24 | 2015-11-18 | 中南钻石有限公司 | Device and method for expanding single yield of diamond synthesis |
| CN106422983A (en) * | 2016-11-10 | 2017-02-22 | 郑州磨料磨具磨削研究所有限公司 | Ultrahigh-pressure pressurizing and heating device |
| CN113084172A (en) * | 2020-06-30 | 2021-07-09 | 郑州新亚复合超硬材料有限公司 | Method for preparing impregnated teeth by using ultrahigh temperature and high pressure and impregnated teeth thereof |
-
2012
- 2012-04-19 CN CN2012201664133U patent/CN202516531U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658061A (en) * | 2012-04-19 | 2012-09-12 | 山东日能超硬材料有限公司 | Pressure-equalizing type diamond synthesis device and diamond synthesis method based on device |
| CN105056837A (en) * | 2015-07-24 | 2015-11-18 | 中南钻石有限公司 | Device and method for expanding single yield of diamond synthesis |
| CN105056837B (en) * | 2015-07-24 | 2017-06-27 | 中南钻石有限公司 | A kind of device and method for expanding diamond synthesizing single yield |
| CN106422983A (en) * | 2016-11-10 | 2017-02-22 | 郑州磨料磨具磨削研究所有限公司 | Ultrahigh-pressure pressurizing and heating device |
| CN113084172A (en) * | 2020-06-30 | 2021-07-09 | 郑州新亚复合超硬材料有限公司 | Method for preparing impregnated teeth by using ultrahigh temperature and high pressure and impregnated teeth thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20140625 |
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| RGAV | Abandon patent right to avoid regrant |