CN221085563U - Combined insulating layer for superhard material synthesis and novel assembly structure - Google Patents

Abstract

The utility model discloses a combined insulating layer for superhard material synthesis and a novel assembly structure, wherein the combined insulating layer for superhard material synthesis consists of a middle cylinder and cylinders with bottoms at two ends, wherein the two ends of the middle cylinder are open, and the open ends of the two cylinders with bottoms are in butt joint with the open ends of the corresponding middle cylinder to form a cylindrical space for installing a synthetic core column; the middle cylinder is made of insulating material; the cylinder with bottom is made of insulating material, conductive holes are distributed on the cylinder with bottom, and conductors are filled in the conductive holes. The insulating layer adopts a combined structure, wherein the conductive holes on the cylinder with the bottom are filled with conductors, which is beneficial to transmitting partial current to the inside of the synthesis cavity, reduces the area difference of the temperature in the synthesis cavity, enhances the uniformity and consistency of the temperature in the synthesis cavity, and is beneficial to synthesizing high-quality diamond.

Description

Combined insulating layer for superhard material synthesis and novel assembly structure

Technical Field

The utility model relates to the technical field of superhard material synthesis, in particular to a combined insulating layer for superhard material synthesis and a novel assembly structure.

Background

At present, the synthetic diamond is generally synthesized by adopting an ultra-high pressure high temperature powder catalyst synthesis method, and the heat acquisition mode required in the synthesis is generally an indirect heating mode. The indirect heating mode generally comprises a heating body arranged in a high-voltage cavity, wherein the synthetic core column and the heating body are separated by an insulating layer, so that heat generated by the heating body is transferred to the synthetic core column through the insulating layer between the synthetic core column and the heating body. The insulating layer with a single structure generally has the defects of large temperature difference in the synthetic cavity, low temperature at two ends of the core column, high temperature in the middle part and uneven synthetic quality.

Disclosure of utility model

The utility model provides a combined insulating layer for synthesizing superhard materials and a novel assembly structure for solving the problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The combined insulating layer for synthesizing the superhard material comprises an insulating layer, wherein the insulating layer consists of a middle cylinder and cylinders with bottoms at two ends, the two ends of the middle cylinder are open, and the open ends of the two cylinders with bottoms are in butt joint with the open ends of the corresponding middle cylinder to form a cylindrical space for installing a synthetic core column;

The middle cylinder is made of insulating material;

the cylinder with bottom is made of insulating material, conductive holes are distributed on the cylinder with bottom, and conductors are filled in the conductive holes.

Further, the middle cylinder and the two cylinders with bottoms are arranged with equal diameters.

Further, the conductor filled in the conductive hole is made of graphite material.

Further, the diameter of the conductive holes is 1 to 2 mm, and the hole spacing is 10 to 15 mm.

Further, the conductive holes are distributed on the wall and the bottom of the cylinder with the bottom.

The utility model also discloses a novel assembly structure for synthesizing the superhard material, which comprises the combined insulating layer for synthesizing the superhard material, a synthetic core column, a heating part, a heat preservation layer, pyrophyllite blocks and a conductive component;

The middle cylinder is sleeved at the center of the outer side of the synthetic core column, the cylinders with bottoms are symmetrically buckled at the two ends of the synthetic core column, the heating parts are clung to the outer walls of the cylinders with bottoms and the middle cylinder, the two ends of the heating parts are symmetrically clung to the conductive assembly in sequence, the outer walls of the heating parts are clung to the heat-insulating layer, and the heat-insulating layer and the outer walls of the conductive assembly are clung to the inner wall of the pyrophyllite block.

The utility model has the beneficial effects that:

The insulating layer adopts a combined structure, wherein the conductive holes on the cylinder with the bottom are filled with conductors, which is beneficial to transmitting partial current to the inside of the synthesis cavity, reduces the area difference of the temperature in the synthesis cavity, enhances the uniformity and consistency of the temperature in the synthesis cavity, and is beneficial to synthesizing high-quality diamond.

Drawings

FIG. 1 is a schematic view of an intermediate cylinder of the modular insulation blanket of the present utility model;

FIG. 2 is a schematic view of a bottomed cylinder of the combined insulating layer of the present utility model;

FIG. 3 is a bottom view of the bottomed cylinder of the combined insulating layer of the present utility model;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

Fig. 5 is a schematic view of an assembled structure of the present utility model.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment one:

As shown in fig. 1 to 4, the present embodiment provides a combined insulating layer for superhard material synthesis, which comprises an insulating layer, wherein the insulating layer is composed of an intermediate cylinder 5 with equal diameter and cylinders 6 with bottoms at two ends, the two ends of the intermediate cylinder 5 are open, and the open ends of the two cylinders 6 with bottoms are butted with the open ends of the corresponding intermediate cylinders 5 to form a cylindrical space for installing a synthetic core column.

The intermediate cylinder 5 is pressed from a single insulating material.

The cylinder 6 with the bottom is formed by pressing a single insulating material, conductive holes 8 are further distributed on the cylinder 6 with the bottom, and conductors are filled in the conductive holes 8.

In this embodiment, the conductor filled in the conductive hole 8 is made of graphite material, and may be a graphite block or a graphite sheet.

In this embodiment, the diameter of the conductive holes 8 is 1 to 2mm and the hole pitch is 10 to 15 mm. The conductive holes 8 are distributed on the wall and the bottom of the cylinder 6 with the bottom.

Embodiment two:

As shown in fig. 5, this embodiment provides a novel assembly structure for synthesizing superhard material, which comprises the composite insulating layer for synthesizing superhard material according to the first embodiment, and further comprises a synthetic stem 7, a heating component 4, an insulating layer 3, pyrophyllite blocks 2 and a conductive component 1.

The middle cylinder 5 is sleeved at the center of the outer side of the synthetic core column 7, the cylinder 6 with the bottom is symmetrically buckled at the two ends of the synthetic core column 7, the heating component 4 is tightly attached to the outer walls of the cylinder 6 with the bottom and the middle cylinder 5, the two ends of the heating component 4 are symmetrically and sequentially attached to the conductive component 1, the outer wall of the heating component 4 is tightly attached to the heat insulation layer 3, and the heat insulation layer 3 and the outer wall of the conductive component 1 are tightly attached to the inner wall of the pyrophyllite block 2.

The insulating layer adopts a combined structure, wherein the conductive holes 8 on the cylinder 6 with the bottom are filled with conductors, which is favorable for transmitting partial current to the inside of the synthesis cavity, reducing the area difference of the temperature in the synthesis cavity, enhancing the uniformity and consistency of the temperature in the synthesis cavity and being favorable for synthesizing high-quality diamond.

The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.

If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides a superhard materials synthesizes with combination formula insulating layer, includes insulating layer, its characterized in that: the insulating layer consists of a middle cylinder and cylinders with bottoms at two ends, the two ends of the middle cylinder are open, and the open ends of the two cylinders with bottoms are in butt joint with the open ends of the corresponding middle cylinder to form a cylindrical space for installing the composite core column;

The middle cylinder is made of insulating material;

the cylinder with bottom is made of insulating material, conductive holes are distributed on the cylinder with bottom, and conductors are filled in the conductive holes.

2. The composite insulating layer for superhard material synthesis according to claim 1, wherein: the middle cylinder and the two cylinders with bottoms are arranged in an equal diameter mode.

3. The composite insulating layer for superhard material synthesis according to claim 1, wherein: the conductors filled in the conductive holes are made of graphite materials.

4. A composite insulating layer for the synthesis of superhard materials according to any one of claims 1 to 3, wherein: the diameter of the conductive holes is 1 to 2 mm, and the hole spacing is 10 to 15mm.

5. The composite insulating layer for superhard material synthesis according to claim 4, wherein: the conductive holes are distributed on the wall and the bottom of the cylinder with the bottom.

6. The utility model provides a novel packaging structure is used in superhard materials synthesis which characterized in that: a composite insulating layer for the synthesis of superhard material according to any one of claims 1 to 5, further comprising a synthetic stem, a heating element, a thermal insulation layer, a pyrophyllite block and a conductive component;

The middle cylinder is sleeved at the center of the outer side of the synthetic core column, the cylinders with bottoms are symmetrically buckled at the two ends of the synthetic core column, the heating parts are clung to the outer walls of the cylinders with bottoms and the middle cylinder, the two ends of the heating parts are symmetrically clung to the conductive assembly in sequence, the outer walls of the heating parts are clung to the heat-insulating layer, and the heat-insulating layer and the outer walls of the conductive assembly are clung to the inner wall of the pyrophyllite block.