CN2153558Y - Ultra-high pressure device - Google Patents

Abstract

The utility model discloses an ultra-high pressure device with three top surfaces and three bottom surfaces driven a single pressure source inclined plane; three top hammers are arranged on both the top and bottom; under the action of the single pressure source, V-shaped main sliding inclined planes on the top and bottom moulds separately drive the six top hammers to centroidal compress a positive cube pressure transmitting medium blocks simultaneously along three orthogonal axial lines to bring about superhigh pressure. Meanwhile, the consistency of the elastic displacement and speed of the six top hammers is ensured when loaded or unloaded. The water cooling system of the utility model can realize thermal equilibrium of heating pressure and radiating of the large current for a long time. So the top hammers of the utility model has long service life, good pressure maintaining performance, and small pressure gradient, and the utility model applies to the industrial production of artificial diamond fritted by coarse-grain high-grade monocrystal and high-hard thin-grain polycrystal under ultra-high pressure.

Description

Ultra-high pressure device

The utility model is in high-pressure physics and the field of high-voltage technology, is applicable to synthetic diamond single crystal's bulk-growth and aggregate agglomerating industrial production, and a kind of static ultra-high pressure device in the work of high-pressure physics experimental study.

At present, the kind of static ultra-high pressure device is a lot, mostly be to be used for the work of high-pressure physics experimental study, and under superhigh-pressure high-temp in the artificial adamantine industrial production, general commonly used have two kinds of year wheeled two sides ejection device and hinge formula six-plane piercer, a small amount of cubic apparatus device that uses 45 ° of inclined-planes of single potential source to drive, external many with a year wheeled two sides ejection device, this device high pressure volume is big, single synthesizes the output height, but high pressure chest internal pressure gradient is bigger, and is unfavorable to the per unit area yield ratio that improves coarsness high strength single crystal, and particularly the top hammer is subjected to the influence of rigidity of frame, inconsistent with the elastic displacement and the speed of cylinder pressure, reduced the work-ing life of top hammer and cylinder pressure, increased cost, influence is produced normally.China's man-made diamond industrial production is used hinge formula six-plane piercer more, has improved and has waited the static(al) contractive condition, operate also easily, and still, the hinge open frame upper support of this press six oil cylinder potential sources, pressurize, in relatively poor with net synchronization capability.45 ° of cubic apparatus devices that the inclined-plane drives, what use is single potential source oil press, pressure maintaining performance is better, the centering and the net synchronization capability of six top hammers, rigidity and manufacturing accuracy by frame and die body guarantee, have greatly improved, but the influence that is subjected to rigidity of frame are hammered on two tops into shape up and down, and four of levels top hammer is subjected to up and down that the die body inflexible influences, and is difficult to solve the consistency problems of six top hammer elastic displacements and speed.Operation is also inconvenient, so seldom use in the industrial production.

The purpose of this utility model is to provide a kind of, the last three times three cubic apparatus ultra-high pressure devices that novel single potential source inclined-plane drives.It can realize six high-precision compression regular cube transmission media to neutralizing synchronous of top hammer, hyperpressure takes place, guarantee six consistence of pushing up hammer elastic displacement and speed when load or unload simultaneously, and repeatability is stable, pressure-stabilisation, and have less pressure gradient, be applicable to that the growth of volume particle size higher-grade single crystal under the superhigh-pressure high-temp and high hard fine granularity aggregate agglomerating artificial diamond industrial produce.

The purpose of this utility model is achieved in that this device respectively has the top hammer of three square end faces up and down, forms a square pressurizing chamber, and its diagonal angle axis is consistent with single potential source compression aspect.Each top hammer press fit in the protection steel loop; adjust the screw that top hammer axis centering is used with four; be fixed on the bearing of master slider; when pressurizeing backing plate under the effect of single potential source pressure; six secondary sliding bevels that start piece; start the master slider of reserving initial position with block respectively simultaneously, by the driving of V-type master's sliding bevel of six self-centerings that are coated with the apposition composite lubricating film on the die body up and down, make six top hammers along with diagonal angle, regular cube pressurizing chamber axis angle φ.Three orthogonal axis directions of=54 ° 44 ', the solid transmission medium piece in the synchronous compression square pressurizing chamber of centering.And the generation hyperpressure.In order to overcome the frictional force on the main sliding bevel, main sliding bevel declination angle 〉=φ.＜60 °, but do not change the direction of three orthogonals top hammer axis, therefore, it is parallel to each other that the end face of master slider upper bracket and top hammer square end faces will be revised for=54 ° 44 ' and φ.Relational expression is satisfied at the secondary slideway inclination angle that starts on the piece: γ=54 ° 44 '-arctg 1/(1.4142-tg δ) ］.Wherein: δ=φ-54 ° of 44 ' the utility model energising copper coin is connected with bearing, electricity is directly delivered to the top hammer into shape, and make generation high temperature in the ultra-high voltage chamber in the transmission medium.

The utility model is because use single potential source pressurization, and pressure maintaining performance is good.Moving fully by the rigidity and the manufacturing accuracy thereof of die body up and down of six top hammers just protected, and be irrelevant with the rigidity of frame.And the rigidity of die body master sliding bevel is consistent up and down, and manufacturing accuracy is guaranteed by special mould clamp.So when load or unload, can make the compression regular cube transmission medium piece of six top high-precision realizations of hammer to neutralizing synchronous.Protect the consistence of positive six top hammer elastic displacements and speed simultaneously, and repeatability is stable, and pressure maintaining performance is good, and pressure gradient is little, this is in the ultra-high voltage chamber in the transmission medium piece, and the sintering of high-intensity single crystal of growth macrobead and high hard fine granularity aggregate is very favourable.The utility model all carries out water cooling to the protection steel loop and the master slider of top hammer, realizes that easily big electric current send the thermal equilibrium of temperature with heat radiation for a long time, to satisfy the needs that the man-made diamond continuous industry is produced.Because last three times three or six top hammers separate at horizontal plane, so it is very convenient to take the transmission medium piece, adjust the sealing seamed edge of four screw axis of top hammer axis, so very directly perceived during the thickness of adjustment gasket perpendicular to transmission medium.Therefore, the utility model is not only applicable to the high-pressure physics cut-and-try work, and is applicable under superhigh-pressure high-temp, the continuous industry production of high-grade artificial diamond single crystal body and aggregate.

Fig. 1 is a kind of structure example of the present utility model

The utility model respectively has the top hammer (1) of three square end faces up and down to the top; form a square pressurizing chamber (10); this diagonal angle, chamber axis is consistent with single potential source compression aspect; each top hammer (1) press fit over water and chews in the protection steel loop (3) of (4);, be fixed on the bearing (7) that is connected to energising copper coin (5) and upward be connected with adjusting four screws (14) that top hammer axis centering is used by small cushion block (6) with master slider (8).When pressurizeing backing plate (9) under the effect of single potential source pressure p, die body (2) is by retaining pad (12) localized six master sliders of preset (8) up and down, started by six secondary sliding bevels that start piece (11) simultaneously, slide along the V-type master's sliding bevel that is coated with lubricious film (13), make six top hammers (1) along with three orthogonal axis directions of the diagonal angle axis angle φ of square high pressure (10)=54 ° 44 ', solid transmission medium piece in the synchronous compression square pressurizing chamber (10) of centering, and hyperpressure takes place.Master slider after the release (8) resets to place, block (12) preset location, realizes by spring (15).

Claims (5)

1, last three times three cubic apparatus ultra-high pressure devices, it is characterized in that: the top hammer (1) that three square end faces are respectively arranged up and down is to the top, form a regular cube pressurizing chamber (10), this diagonal angle, chamber axis is consistent with single potential source compression aspect, when pressurizeing backing plate (9) under the effect of single potential source pressure p, six master sliders (8) in the die body (2) up and down, V-type master's sliding bevel and six secondary sliding bevels that start pieces (11) by the lubricated book film (13) of coating drive respectively, make six top hammers (1) along with the diagonal angle axis angle Φ of square pressurizing chamber (10) _o=54 ° 44 ' 3 orthogonal axis directions, the compression solid transmission medium piece of centering, and hyperpressure takes place, the centering of each top hammer axis is adjusted by screw (14), and release master slider (8) resets on the starting position of block (12) preset, realizes by spring (15), its structure comprises: top hammer (1), steel loop (3), small cushion block (6), bearing (7), master slider (8), start piece (11), lubricated book film (13), spring (15) respectively has six; Die body (2) connects electrolytic copper plate (5) pressurization backing plate (9) 2 up and down; Water is chewed (4), and screw (14) respectively has 24; Regular cube pressurizing chamber (10) has 1; Block (12) has 12.

2, last three times three cubic apparatus ultra-high pressure devices according to claim 1, it is characterized in that＜60 ° of declination angle 〉=54 ° 44 ' of V-type master sliding bevel and φ, start the secondary sliding bevel inclination angle on the piece (11): γ=54 ° 44 '-arctg ［ 1/(1.4142-tg δ) ］, in the formula: δ=φ-54 ° 44 '.

3, last three times three cubic apparatus ultra-high pressure devices according to claim 1, when it is characterized in that V-type master sliding bevel declination angle 〉=54 ° 44 ', the square end faces with top hammer (1) that the end face of bearing (6) will be revised is parallel to each other.

4, last three times three cubic apparatus ultra-high pressure devices according to claim 1 is characterized in that on steel loop (3) and the master slider (8) water flowing refrigerative water being installed all chews (4).

5, last three times three cubic apparatus ultra-high pressure devices according to claim 1 is characterized in that the seamed edge of the axis direction of screw (14) and square pressurizing chamber (10) is orthogonal.

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