A synthetic cavity for diamond

CN224641020UActive Publication Date: 2026-08-18XIUWU XINRUI SUPERHARD MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521578571.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-25
Publication Date
2026-08-18
Estimated Expiration
2035-07-25

AI Technical Summary

Technical Problem

[0006]为了解决上述中存在的金刚石合成腔内部的温度受热部的温度难以均匀,容易影响金刚石的合成效率和金刚石合成腔内部的压力难以均匀,容易影响金刚石合成的稳定性的问题,提出了本实用新型

Benefits of technology

[0017]该种用于金刚石的合成腔体,通过石墨柱圆周外壁套接的石墨块的结构设计,便于配合导电堵头和导电内腔相互配合对腔体进行加热,由此有利于子啊石墨块和石墨层的传递下,使得腔体内部受热均匀,减少因温度不够或受热不均而影响金刚石的合成效果的情况,同时由于物料均存于管体的内部,由此便于减少物料被污染的风险,较好的提高了合成金刚石的质量;

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224641020U_ABST
    Figure CN224641020U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of synthesis cavities for diamond, it includes cavity and pipe body, the circumference inner wall of the pipe body is fixed with beryl collar, the number of beryl collar has multiple and is symmetrically distributed form, the electrically conductive inner cavity is formed between beryl collar and the cavity, the circumference inner wall of beryl collar is sleeved with electrically conductive plug, the surface of electrically conductive plug is equipped with heat conduction sheet, the circumference inner wall bottom of heat conduction sheet is equipped with fixed block, the surface of fixed block is fixed with graphite column, the circumference outer wall of graphite column is sleeved with catalyst, the top of catalyst is equipped with graphite layer, this kind of synthesis cavities for diamond, through the structural design of graphite block of graphite column circumference outer wall sleeve, the quality of synthesized diamond is preferably improved, secondly, through the structural design of booster block fixed in recess, thus it is convenient to better maintain the stability in diamond synthesis process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of diamond production technology, specifically to a synthetic cavity for diamond production. Background Technology

[0002] Because of its high hardness and good wear resistance, diamond is widely used in industrial production such as cutting, grinding and drilling. However, the cost of using naturally mined diamonds is high and production is limited. Therefore, diamonds used in industrial production are now obtained through industrial synthesis, which requires a synthetic cavity for diamonds.

[0003] Although existing technologies for diamond synthesis chambers offer many advantages, the following problems still exist: In traditional production processes, pyrophyllite synthesis blocks often need to be kept under stable pressure and temperature conditions to ensure the quality of diamond synthesis. However, the temperature conditions in existing technologies need to be further stabilized. Secondly, during operation, the pressure inside the diamond synthesis chamber is difficult to be uniform, thus requiring further stabilization of the diamond synthesis process. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] 1. Technical problems to be solved:

[0006] To address the aforementioned problems of uneven temperature distribution in the heated portion of the diamond synthesis cavity, which can negatively impact diamond synthesis efficiency, and uneven pressure distribution within the diamond synthesis cavity, which can negatively affect the stability of diamond synthesis, this invention is proposed.

[0007] Therefore, the purpose of this invention is to provide a diamond synthesis chamber, which aims to solve the problem of uneven temperature distribution in the heated part inside the diamond synthesis chamber, which easily affects the diamond synthesis efficiency, and to achieve better stability in diamond synthesis.

[0008] 2. Technical Solution:

[0009] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0010] A synthetic cavity for diamond production includes a cavity and a tube. A pyrophyllite ring is fixed to the inner circumference of the tube. Multiple pyrophyllite rings are symmetrically distributed, forming a conductive inner cavity between the pyrophyllite rings and the cavity. A conductive plug is fitted onto the inner circumference of the pyrophyllite ring. A heat-conducting plate is provided on the surface of the conductive plug. A fixing block is provided at the bottom of the inner circumference of the heat-conducting plate. A graphite column is fixed to the surface of the fixing block. A graphite block is fitted onto the outer circumference of the graphite column. A catalyst is fitted onto the outer circumference of the graphite column. A graphite layer is provided above the catalyst. This structural design of the graphite column and graphite layer facilitates heating even inside the cavity, resulting in a more uniform heating temperature within the cavity.

[0011] As a preferred embodiment of the present invention, a synthetic cavity for diamond is provided, wherein a groove is provided on the outer circumferential wall of the cavity, and a pressure-boosting block is fixed on the inner wall of the groove.

[0012] As a preferred embodiment of the synthetic cavity for diamond according to the present invention, there are multiple fixing blocks, and the fixing blocks are symmetrically distributed.

[0013] As a preferred embodiment of the synthetic cavity for diamond according to this utility model, there are multiple catalysts and graphite layers, which are linearly and equidistantly distributed. The linear distribution of the catalysts and graphite layers facilitates a better increase in the contact between the graphite layers and the tube body, which is beneficial for increasing the heating area.

[0014] As a preferred embodiment of the synthetic cavity for diamond according to this utility model, the thickness of the catalyst and the graphite layer does not exceed 1mm, and the thickness of the cavity is greater than 6mm. The structural design of the cavity being thicker than 6mm facilitates the use of a pressure booster block to achieve better uniform pressure inside the device.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This type of diamond synthesis chamber, through the structural design of graphite blocks sleeved on the outer circumference of graphite pillars, facilitates the interaction between conductive plugs and conductive inner cavities to heat the chamber. This is beneficial for the transfer of heat between the graphite blocks and graphite layers, resulting in uniform heating inside the chamber and reducing the impact of insufficient or uneven heating on the diamond synthesis effect. At the same time, since the materials are all stored inside the tube, the risk of material contamination is reduced, thus significantly improving the quality of the synthesized diamond.

[0018] This type of diamond synthesis chamber, through the structural design of the pressure-boosting block fixed inside the groove, facilitates uniform pressure inside the synthesis chamber, thereby better maintaining stability during the diamond synthesis process. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0020] Figure 1 This is a schematic diagram of the overall structure of a synthetic cavity for diamond according to the present invention;

[0021] Figure 2 This is a schematic cross-sectional view of the overall structure of a synthetic cavity for diamond according to the present invention.

[0022] Figure 3 This is a cross-sectional axonometric schematic diagram of the overall structure of a synthetic cavity for diamond according to the present invention;

[0023] Figure 4 This utility model relates to a synthetic cavity for diamond. Figure 2 A schematic diagram of the structure of section A in the middle;

[0024] Figure 5 This is a schematic cross-sectional view of a graphite column structure for a synthetic cavity used in diamond according to the present invention.

[0025] The following are the labels in the diagram: 1. Cavity; 2. Tube; 3. Graphite column; 4. Fixing block; 5. Heat-conducting plate; 6. Graphite layer; 7. Catalyst; 8. Conductive inner cavity; 9. Conductive plug; 10. Pyrophyllite collar; 11. Groove; 12. Pressure boosting block; 13. Graphite block. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] This utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not be construed as limiting the scope of protection of this utility model. In actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0028] The orientation or positional relationship indicated in the terminology is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0029] The term "connection method" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] The embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0031] This utility model provides an overall structural schematic diagram of an embodiment of a synthetic cavity for diamond, including:

[0032] Please see Figures 1-5 This utility model provides a technical solution:

[0033] A synthetic cavity 1 for diamond processing includes a cavity 1 and a tube 2. A pyrophyllite collar 10 is fixedly mounted on the inner circumference of the tube 2. Multiple pyrophyllite collars 10 are symmetrically distributed, forming a conductive inner cavity 8 between the pyrophyllite collars 10 and the cavity 1. A conductive plug 9 is fitted onto the inner circumference of the pyrophyllite collar 10. A heat-conducting plate 5 is provided on the surface of the conductive plug 9. A fixing block 4 is provided at the bottom of the inner circumference of the heat-conducting plate 5. A graphite column 3 is fixedly mounted on the surface of the fixing block 4. A graphite block 13 is fitted onto the outer circumference of the graphite column 3. A catalyst 7 is sleeved on the outer wall of the tube 2, and a graphite layer 6 is provided above the catalyst 7. The structural design of the graphite block 13 sleeved on the outer wall of the graphite column 3 facilitates the interaction between the conductive plug 9 and the conductive inner cavity 8 to heat the cavity 1. This facilitates the transfer of heat between the graphite block 13 and the graphite layer 6, making the cavity 1 heat evenly and reducing the impact of insufficient temperature or uneven heating on the diamond synthesis effect. At the same time, since the materials are all stored inside the tube 2, the risk of material contamination is reduced, which improves the quality of the synthesized diamond.

[0034] The heat-conducting sheet 5 is made of aluminum alloy, which is existing technology and will not be discussed in detail here.

[0035] It is worth noting that, in order to make the pressure inside the synthesis chamber 1 uniform, a groove 11 is provided on the outer circumference of the chamber 1, and a pressure boosting block 12 is fixed on the inner wall of the groove 11. Through the structural design of the pressure boosting block 12 fixed inside the groove 11, it is easy to make the pressure inside the synthesis chamber 1 uniform.

[0036] The booster block 12 is made of hard conductive alloy, which is existing technology and will not be elaborated on here.

[0037] Next, in order to make the heating temperature inside the cavity 1 uniform, there are multiple fixing blocks 4, which are symmetrically distributed. The symmetrically distributed fixing blocks 4 facilitate the better fixing of the graphite column 3, thereby facilitating heating inside the tube 2 and making the heating temperature inside the cavity 1 uniform.

[0038] Meanwhile, in order to improve the diamond formation rate, there are multiple catalysts 7 and graphite layers 6, which are linearly and equidistantly distributed. The structural design of the equidistantly distributed catalysts 7 and graphite layers 6 facilitates the improvement of the diamond formation rate.

[0039] Finally, in order to improve the diamond synthesis rate, specifically, the thickness of both the catalyst 7 and the graphite layer 6 does not exceed 1 mm, and the thickness of the cavity 1 is greater than 6 mm. The structural design that the thickness of both the catalyst 7 and the graphite layer 6 does not exceed 1 mm facilitates the improvement of the diamond synthesis rate.

[0040] In addition, the circuits, electronic components and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the internal structure and method.

[0041] Combination Figures 1-5 The specific usage process of a synthetic cavity for diamond in this embodiment is as follows:

[0042] 1: When using this type of diamond synthesis chamber 1, the operator moves the chamber 1 to a suitable position and loads the material into the tube 2. At this time, the conductive plug 9 is energized, which allows the conductive plug 9 to transmit electricity into the conductive inner cavity 8 and the heat-conducting plate 5. This facilitates the heat dissipation of the graphite column 3 and the graphite layer 6. The structural design of the pyrophyllite collar 10 ensures a good sealing effect and reduces heat loss. At the same time, the structural design of the pressure boosting block 12 fixed inside the groove 11 facilitates uniform pressure inside the synthesis chamber 1.

[0043] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A synthetic cavity (1) for diamond, characterized in that, The device includes a cavity (1) and a tube (2). A pyrophyllite collar (10) is fixedly provided on the inner circumference of the tube (2). There are multiple pyrophyllite collars (10) and they are symmetrically distributed. A conductive inner cavity (8) is formed between the pyrophyllite collar (10) and the cavity (1). A conductive plug (9) is sleeved on the inner circumference of the pyrophyllite collar (10). A heat-conducting plate (5) is provided on the surface of the conductive plug (9). A fixing block (4) is provided at the bottom of the inner circumference of the heat-conducting plate (5). A graphite column (3) is fixedly provided on the surface of the fixing block (4). A graphite block (13) is sleeved on the outer circumference of the graphite column (3). A catalyst (7) is sleeved on the outer circumference of the graphite column (3). A graphite layer (6) is provided above the catalyst (7).

2. The synthetic cavity (1) for diamond according to claim 1, characterized in that, The outer circumferential wall of the cavity (1) is provided with a groove (11), and a pressure-boosting block (12) is fixedly provided on the inner wall of the groove (11).

3. The synthetic cavity (1) for diamond according to claim 1, characterized in that, There are multiple fixed blocks (4), and the fixed blocks (4) are symmetrically distributed.

4. The synthetic cavity (1) for diamond according to claim 1, characterized in that, There are multiple catalysts (7) and graphite layers (6), and the catalysts (7) and graphite layers (6) are distributed in a linear equidistant manner.

5. The synthetic cavity (1) for diamond according to claim 1, characterized in that, The thickness of the catalyst (7) and the graphite layer (6) is no more than 1 mm, and the thickness of the cavity (1) is greater than 6 mm.