CN113368783A

CN113368783A - High-temperature and high-pressure equipment for diamond synthesis

Info

Publication number: CN113368783A
Application number: CN202110678491.5A
Authority: CN
Inventors: 曹晓君
Original assignee: Shaoyang Dongsheng Superhard Material Co ltd
Current assignee: Shaoyang Dongsheng Superhard Material Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-09-10
Anticipated expiration: 2041-06-18
Also published as: CN113368783B

Abstract

The invention relates to a high-temperature and high-pressure device for diamond synthesis, which comprises top hammers arranged on six surfaces, wherein the rear ends of the top hammers are provided with small cushion blocks and large cushion blocks in a matching way, the outer ends of the top hammers of the six surfaces are provided with a pressure stabilizing device, the pressure stabilizing device comprises two semicircular rings which are symmetrically arranged, one ends of the two semicircular rings are connected through a driving assembly, the inner walls of the two semicircular rings are provided with two reaction blocks, the corresponding upper ends or lower ends of the two semicircular rings are provided with rotating assemblies, the output ends of the rotating assemblies are provided with the reaction blocks, the outer ends of the top hammers are wrapped with copper-aluminum alloy rings, heating assemblies are arranged in the copper-aluminum alloy rings, the reaction blocks on the two semicircular rings and the reaction blocks at the upper ends and the lower ends are respectively driven by the rotating assemblies of the driving assemblies, then the heating assemblies are used for heating the inside of the copper-aluminum alloy rings, and heat energy is transmitted to the corresponding top hammers, so that high pressure and high temperature can be directly and simultaneously heat the top hammers, effectively preventing heat loss, thereby effectively improving the synthesis quality of the diamond.

Description

High-temperature and high-pressure equipment for diamond synthesis

Technical Field

The invention relates to the technical field of diamond synthesis, in particular to high-temperature and high-pressure equipment for diamond synthesis.

Background

According to the structure size of a diamond cubic press and the requirement of a diamond synthesis process, before diamond raw material blocks are conveyed to the cubic press for top pressing, the raw material blocks need to be heated and insulated on special heating equipment, and the heated raw material blocks are long in distance in the transfer and conveying process, so that the contact time of media such as air is prolonged, the temperature of the material is influenced, and the synthesis quality of diamond is further influenced. In addition, cubic press includes the anvil, the steel ring, little cushion, big cushion, former feed block is after putting into cubic press, still need heat the pressurization operation, generally carry out indirect heating through the big cushion that generates heat, can produce the phenomenon that the heating is postponed like this or heat the phenomenon of extravagant heat energy in advance, in addition, among the prior art, when former feed block placed on the lower part anvil or the synthetic diamond after accomplishing takes off, also place through manual operation or through spare part, it is inconvenient to place and the diamond takes out like this to former feed block.

Disclosure of Invention

The invention aims to provide high-temperature and high-pressure equipment for diamond synthesis, which has the characteristics that the high pressure can be stabilized by arranging a pressurizing assembly at the end of a top hammer, the heating temperature can be directly and simultaneously heated for the top hammer by directly arranging a heating assembly on a steel ring, and the heat loss is effectively prevented.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the utility model provides a synthetic high temperature high pressure equipment of using of diamond, is equipped with little cushion and big cushion including setting up in the top hammer of six faces, top hammer rear end cooperation, and the top hammer outer end of six faces is equipped with voltage regulator device, voltage regulator device includes the semicircular ring that the bisymmetry set up, and the one end of two halves circular ring is passed through drive assembly and is connected, and the inner wall of two halves circular ring all is equipped with two and forms the reaction piece in high temperature high pressure reaction chamber with big cushion rear end cooperation, the upper end or the lower extreme that two halves circular ring correspond all are equipped with rotating assembly, and rotating assembly's output is equipped with the reaction piece, top hammer outer end cladding has copper-aluminum alloy ring, be equipped with heating element in the copper-aluminum alloy ring.

Further preferably, the heating assembly comprises heating grooves symmetrically formed in the copper-aluminum alloy ring, the two heating grooves are arranged in a crossed mode, graphite heating pipes are inserted into the heating grooves, and two ends of each graphite heating pipe are connected with copper braided wires through bolts.

Preferably, the driving assembly comprises connecting rings arranged at the rear ends of the two semicircular rings, positive and negative rotating motors penetrate through the two connecting rings, and supporting connecting sheets connected with the two connecting rings are arranged on output shafts of the positive and negative rotating motors respectively.

Preferably, the reaction block is conical, talc is adopted as the reaction block, a conical hole is formed in the rear end of the large cushion block, and the reaction block is arranged in the conical hole in an openable mode.

Further preferably, the rotating assembly comprises a rotating motor arranged at the upper end of the semicircular ring, the output end of the rotating motor is connected with a connecting rod, the lower end of the connecting rod is provided with a lifting cylinder, and a piston rod of the lifting cylinder is connected with the reaction block.

The invention has the beneficial effects that: the invention comprises top hammers arranged on six surfaces, wherein the rear ends of the top hammers are matched with small cushion blocks and large cushion blocks, the outer ends of the top hammers of the six surfaces are provided with pressure stabilizing devices, each pressure stabilizing device comprises two semicircular rings which are symmetrically arranged, one ends of the two semicircular rings are connected through a driving assembly, the inner walls of the two semicircular rings are respectively provided with two reaction blocks which are matched with the rear ends of the large cushion blocks to form a high-temperature and high-pressure reaction cavity, the upper ends or the lower ends of the two semicircular rings are respectively provided with a rotating assembly, the output ends of the rotating assemblies are provided with the reaction blocks, the outer ends of the top hammers are coated with copper-aluminum alloy rings, and heating assemblies are arranged in the copper-aluminum alloy rings The heating temperature directly heats the anvil at the same time, so that the heat loss is effectively prevented, and the synthesis quality of the diamond is effectively improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is another schematic structural diagram of the present invention.

Reference numerals

1. Top hammer, 2, small cushion block, 3, big cushion block, 4, semicircular ring, 5 and reaction block

6. Copper-aluminum alloy ring, 7, graphite heating pipe, 8, copper braided wire, 9, connecting ring,

10. positive and negative rotation motor, 11, rotation motor, 12, connecting rod, 13, lift cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in figures 1 and 2, the invention relates to a high-temperature and high-pressure device for diamond synthesis, which comprises a top hammer 1 arranged on six surfaces, wherein the rear end of the top hammer 1 is provided with a small cushion block 2 and a large cushion block 3 in a matching way, the outer end of the top hammer 1 on the six surfaces is provided with a pressure stabilizing device, the pressure stabilizing device comprises two semicircular rings 4 which are symmetrically arranged, one ends of the two semicircular rings 4 are connected through a driving component, the inner walls of the two semicircular rings 4 are respectively provided with two reaction blocks 5 which are matched with the rear end of the large cushion block 3 to form a high-temperature and high-pressure reaction cavity, the corresponding upper ends or lower ends of the two semicircular rings 4 are respectively provided with a rotating component, the output end of the rotating component is provided with the reaction blocks 5, the outer end of the top hammer 1 is coated with a copper-aluminum alloy ring 6, a heating component is arranged in the copper-aluminum alloy ring 6, and then the heating assembly is used for heating the inside of the copper-aluminum alloy ring 6 and transferring heat energy to the corresponding anvil 1, so that the anvil 1 can be directly heated at the same time with stable high pressure and stable heating temperature, the heat loss is effectively prevented, and the synthesis quality of the diamond is effectively improved.

In this embodiment, heating element sets up including the symmetry copper-aluminum alloy ring 6's heating bath, two heating baths cross arrangement, the heating bath interpolation is equipped with graphite heating pipe 7, and two graphite heating pipe 7's both ends all have copper braided wire 8 through bolted connection, two graphite heating pipe 7 are the arc, can wear to establish respectively in the heating bath, are graphite heating pipe 7 power supply heating simultaneously as wire and power connection through copper braided wire 8, because the cross arrangement of the slope of two heating baths symmetry, the whole copper-aluminum alloy ring 6 of complete even cover of heat energy ability that two graphite heating pipes 7 can produce can guarantee the even high temperature heating diamond original paper of constant temperature like this.

In this embodiment, the driving assembly includes a connection ring 9 disposed at the rear end of the two semicircular rings 4, a forward and reverse rotation motor 10 is inserted into the two connection rings 9, support connection pieces connected to the two connection rings 9 are respectively disposed on the output shafts of the forward and reverse rotation motor 10, the reaction block 5 is conical, talc is used as the reaction block 5, a conical hole is disposed at the rear end of the large cushion block 3, the reaction block 5 is disposed in the conical hole in an openable manner, the rotating assembly includes a rotation motor 11 disposed at the upper end of the semicircular rings 4, the output end of the rotation motor 11 is connected with a connection rod 12, a lifting cylinder 13 is disposed at the lower end of the connection rod 12, a piston rod of the lifting cylinder 13 is connected with the reaction block 5, the support connection pieces are controlled by forward and reverse rotation of the forward and reverse rotation motor 10 to control reverse rotation of the two connection rings 9, so as to realize opening and closing between the two semicircular rings 4 and the reaction block 5 and the large cushion block 3, in addition, the rotating motor 11 drives the connecting rod 12 to rotate to the upper end and the lower end of the upper anvil 1 and the lower anvil 1, and then the lifting cylinder 13 is controlled to control the reaction block 5 to move up and down, so that the opening and closing between the upper reaction block 5 and the lower reaction block 5 and the upper big cushion block 3 and the lower big cushion block 3 are realized, a reaction cavity is formed between the reaction block 5 and the big cushion block 3, and after the reaction cavity is electrified, stable high temperature and high pressure are generated, so that the time and the quality of diamond synthesis can be effectively improved.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a synthetic high temperature high pressure equipment of using of diamond, is equipped with little cushion and big cushion, its characterized in that including setting up in the top hammer of six faces, the cooperation of top hammer rear end: the holding-up hammer outer end of six faces is equipped with voltage regulator device, voltage regulator device includes the semicircular ring that the bisymmetry set up, and the one end of two halves of circular ring is passed through drive assembly and is connected, and the inner wall of two halves of circular ring all is equipped with two and forms the reaction piece of high temperature high pressure reaction chamber with big cushion rear end cooperation, the upper end or the lower extreme that two halves of circular ring correspond all are equipped with runner assembly, and runner assembly's output is equipped with the reaction piece, the cladding of holding-up hammer outer end has copper aluminum alloy ring, be equipped with heating element in the copper aluminum alloy ring.

2. The high temperature and high pressure apparatus for diamond synthesis according to claim 1, wherein: the heating assembly comprises heating grooves symmetrically arranged on the copper-aluminum alloy ring, the two heating grooves are arranged in a crossed mode, graphite heating pipes are inserted into the heating grooves, and two ends of each graphite heating pipe are connected with copper braided wires through bolts.

3. The high temperature and high pressure apparatus for diamond synthesis according to claim 1, wherein: the driving assembly comprises connecting rings arranged at the rear ends of the two semicircular rings, positive and negative rotating motors penetrate through the two connecting rings, and supporting connecting sheets connected with the two connecting rings are arranged on output shafts of the positive and negative rotating motors respectively.

4. The high temperature and high pressure apparatus for diamond synthesis according to claim 1, wherein: the reaction block is conical, talc is adopted as the reaction block, a conical hole is formed in the rear end of the large cushion block, and the reaction block is arranged in the conical hole in an openable mode.

5. The high temperature and high pressure apparatus for diamond synthesis according to claim 1, wherein: the rotating assembly comprises a rotating motor arranged at the upper end of the semicircular ring, the output end of the rotating motor is connected with a connecting rod, the lower end of the connecting rod is provided with a lifting cylinder, and a piston rod of the lifting cylinder is connected with the reaction block.