Super high pressure mould of six top surfaced diamond synthesis pressure equipment

A diamond and six-sided top technology, applied in the field of ultra-high pressure molds, can solve the problems of difficult process control, high cost, and high cost of ultra-high pressure molds

Active Publication Date: 2008-12-10
河南立方格新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with the six-sided top press, the equipment and ultra-high pressure molds are expensive, the process control is difficult, and the processing of the press cylinder is difficult and expensive.

Method used

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  • Super high pressure mould of six top surfaced diamond synthesis pressure equipment
  • Super high pressure mould of six top surfaced diamond synthesis pressure equipment
  • Super high pressure mould of six top surfaced diamond synthesis pressure equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1, as figure 1 As shown, the ultra-high pressure mold of the six-sided top press machine is composed of four non-heated anvils 1 in the horizontal direction and two heated anvils 2 in the vertical direction. The linear dimension ratio A:B is 1:1.3, the hammer surface of the non-heated anvil 1 is a ridge-shaped surface that protrudes from both sides of the hammer surface along the heating direction to the center of the hammer surface at δ=4°, and it is the same as that of the heated anvil 2 The matching sealing surface angle of the sealing surface is α=20° and transitions with the 4° surface arc of the hammer surface. The sealing surface angle between the non-heating anvil 1 still adopts the sealing angle of the original six-sided anvil or adopts The sealing angle is more sluggish than the original six-sided top hammer pressure transmission. When the sealing surfaces between the four non-heating top hammers 1 press the sealing edge of the composite block 3, th...

Embodiment 2

[0015] Embodiment 2, as figure 2 As shown, the ultra-high pressure mold of the six-sided top press machine is composed of four non-heated anvils 1 in the horizontal direction and two heated anvils 2 in the vertical direction. The linear size ratio A:B is 1:1.1, the hammer surface of the non-heated anvil 1 is a plane (δ=0°), and the sealing surface angle α matching the sealing surface of the heated anvil 2 is 30°. The angle β of the sealing cone surface of the heating anvil 2 is 30°, which is parallel to the corresponding sealing surface of the non-heating anvil 1. There is also a square cone-shaped sealing gasket 4 between the sealing surfaces of the heated top hammer 2 and the non-heated top hammer 1 of the ultra-high pressure chamber. Since the angle of the sealing surface of the heating anvil 2 is equal to the angle of the sealing surface of the non-heating anvil 1 matched with it, it is a matching sealing form. In this embodiment, the sealing surface angle of the heatin...

Embodiment 3

[0016] Embodiment 3, as image 3 As shown, the ultra-high pressure mold of the six-sided top press machine is composed of four non-heated anvils 1 in the horizontal direction and two heated anvils 2 in the vertical direction. The linear dimension ratio A:B is 1:0.9, and the hammer surface of the non-heated top hammer 1 is a cone formed by cutting off the ridge top from the ridge surface raised from both sides of the hammer surface along the heating direction to the center of the hammer surface at δ=3° The middle part of the table top and hammer surface is a plane with length = C, and the sealing surface matched with the sealing surface of the heating anvil 2 is an arc surface with a radius of curvature of R3. The angle β of the sealing surface of the heating anvil 2 is 35°, and there is an arc transition between the large slope and the radius of the arc is R2. R2 is greater than R3, and the sealing surface of the heated top hammer 2 and the sealing arc surface of the non-heat...

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Abstract

An ultra-high pressure die for a six-sided top diamond synthetic press, consisting of four non-heated top hammers and two heated top hammers, the angle of the sealing slope of the heated top hammer is between 20-47°, and the hammer surface of the non-heated top hammer is heated The linear size ratio between the direction and the non-heating direction is 1:0.8-1:1.3, and the hammer surface of the non-heating anvil is a ridge-shaped surface or a chamfered surface that protrudes 0-5° from both sides of the hammer surface along the heating direction to the center of the hammer surface. The conical table surface of the ridged top, the sealing surface of the non-heated anvil and the heated anvil cooperate to form a sealing angle of -0.5-7°. The non-heated anvil is heated to the sealing surface and the non-heated anvil has a circular arc transition. The matching sealing surface of non-heated anvil and heated anvil is arc surface. A square cone-shaped sealing gasket consisting of two layers of non-metallic sealing bowls sandwiching a layer of metal sealing bowls is arranged between the sealing surfaces of the heated anvil and the non-heated anvil in the ultra-high pressure chamber. Because the heated anvil reduces the cone angle of the pressure, increases the compression stroke, prolongs the synthesis time, and can achieve the synthesis effect of the double-sided pressing machine.

Description

technical field [0001] The invention belongs to the technical field of superhard material production, and in particular relates to an ultra-high pressure mold for a six-sided top press machine for diamond synthesis. Background technique [0002] The production of artificial diamond in my country's superhard material industry mainly adopts the hinged six-sided top diamond press. The ultra-high pressure mold is a multi-axis structure without a cylinder, and is surrounded by six anvils perpendicular to each other on the three-dimensional axis. The two top hammers also have the function of electrification to electrically heat the composite block. The six top hammers have the same shape and size and are made of hard alloy. The lower part of the top hammer is a cone with a large upper part and the lower part is a square Hammer surface, each side of the hammer surface is crowned by a sealing surface, a large inclined surface and a cone, and the width of the four sealing surfaces on e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/06
Inventor 张甜蔡棽
Owner 河南立方格新材料科技有限公司
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