CN219547151U - Furnace body structure of artificial diamond crystal growth equipment - Google Patents
Furnace body structure of artificial diamond crystal growth equipment Download PDFInfo
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- CN219547151U CN219547151U CN202320860226.3U CN202320860226U CN219547151U CN 219547151 U CN219547151 U CN 219547151U CN 202320860226 U CN202320860226 U CN 202320860226U CN 219547151 U CN219547151 U CN 219547151U
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Abstract
The utility model discloses a furnace body structure of artificial diamond crystal growth equipment, which comprises: the crystal furnace consists of an outer furnace body and an inner furnace body which are mutually nested, the bottoms of one side of the outer furnace body and one side of the inner furnace body are provided with an inlet and an outlet, a microwave generator is arranged at the middle position of the top of the crystal furnace, and a bottom microwave emission port of the microwave generator is positioned in the inner furnace body. This artificial diamond crystal growth equipment's furnace body structure through being provided with movable carrier, and movable carrier can remove outside the crystal furnace under the lead screw transmission effect for diamond crystal seed is put neatly, need not handheld diamond carrier plate, places in stretching into the crystal furnace with the hand, has avoided diamond crystal seed to take place the offset in the transfer process, and when making crystal growth, the position of diamond carrier plate is more accurate, is difficult for taking place the skew, and the crystal growth condition is better.
Description
Technical Field
The utility model relates to the technical field of artificial diamond, in particular to a furnace body structure of artificial diamond crystal growth equipment.
Background
The artificial diamond is a polycrystalline diamond formed by crystallizing and polymerizing diamond with a diameter of 10 to 30 nanometers, the molecular structure of the artificial diamond is not a complete octahedral structure of natural diamond but a complex structure, so that phosphorescence phenomenon can be generated, the artificial diamond is generated by two methods, namely a high-temperature high-pressure synthesis method and a chemical vapor deposition synthesis method, wherein the chemical vapor deposition synthesis method is to heat natural gas and nitrogen gas, then form a carbon plasma in a pressure chamber, and the carbon plasma is continuously deposited on a carbon bottom layer at the bottom of the pressure chamber, gradually accumulates and hardens to form diamond flakes, and then is cut into a precious stone shape.
The radiation protection performance of the existing artificial diamond crystal growth equipment furnace body is insufficient, a microwave generator is needed to ensure the stability of a plasma state in the diamond crystal growth process, the microwave generator can generate radiation, if microwave leakage can bring potential safety hazards to surrounding operators, in addition, the traditional device is helpful for manually holding a diamond carrier plate, hands extend into a crystal furnace to place the diamond carrier plate, and in the transfer process, the diamond crystal seeds are shifted in a translocation position, so that the crystal growth condition is poor.
Disclosure of Invention
The utility model aims to provide a furnace body structure of artificial diamond crystal growth equipment, which solves at least one technical problem existing in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a furnace structure of an artificial diamond crystal growing apparatus, comprising:
the crystal furnace consists of an outer furnace body and an inner furnace body which are mutually nested, the bottoms of one side of the outer furnace body and one side of the inner furnace body are respectively provided with an inlet and an outlet, a microwave generator is arranged in the middle of the top of the crystal furnace, and a microwave emission port at the bottom of the microwave generator is positioned in the inner furnace body;
the lifting seat is positioned at one side of the crystal furnace far away from the door body, a lifting groove is formed in the middle position inside the lifting seat, a second screw rod is installed in the lifting groove, a second screw rod sleeve matched with the second screw rod is sleeved on the second screw rod, a second servo motor is installed in the middle position of the top end inside the lifting seat, and the output end of the second servo motor is connected with the second screw rod through a rotating shaft;
the crystal furnace comprises a base, wherein the base is positioned at the bottom of the crystal furnace, a first servo motor is arranged at the middle position of one side, close to a lifting seat, of the inside of the base, a driving bin is arranged at the middle position of the inside of the base, a first screw rod is arranged in the driving bin, the output end of the first servo motor is connected with the first screw rod through a rotating shaft, a first screw rod sleeve matched with the first screw rod is sleeved on the first screw rod, and a control panel is arranged on one side of the base;
the movable carrying platform is positioned at the bottom end of the inner part of the inner furnace body, the bottom of the movable carrying platform is connected with the first screw rod sleeve, the diamond carrying plate is arranged at the top of the movable carrying platform, and the balls are uniformly arranged at the edge position of the bottom of the movable carrying platform.
Preferably, the middle position of the inner furnace body is horizontally provided with a baffle, the middle position of the inner furnace body is provided with a quartz window, cameras are mounted on two sides of the bottom of the baffle, and guide posts are fixed on two sides of the top of the baffle.
Preferably, a vacuum pump is arranged at the bottom end of one side, far away from the crystal furnace, of the lifting seat, air inlet control valves are uniformly arranged on the lifting seat above the vacuum pump, and the vacuum pump and the air inlet control valves are communicated with the inner furnace body.
Preferably, a limit flange is arranged at the edge position of the diamond carrier plate, a mounting groove which is identical to the limit flange in shape is formed in the top of the movable carrier table, and seed crystal grooves are uniformly formed in the upper surface of the diamond carrier plate.
Preferably, a mounting frame is arranged between the guide posts, a focusing mirror is mounted in the mounting frame, guide sleeves matched with the outer diameters of the guide posts are arranged on two sides of the mounting frame, a second screw rod sleeve is connected with one of the guide sleeves, and central axes of the microwave generator, the focusing mirror and the quartz window are coincident.
Preferably, the door bodies are hinged at the inlet and the outlet, the opening and closing directions of the two door bodies are opposite, sealing rubber strips are arranged at the connection positions of the door bodies and the inlet and the outlet, and the width of the inlet and the outlet is larger than the outer diameter of the movable carrying platform.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the radiation protection performance of the device is greatly improved by the crystal furnace with the double-layer structure design, and the radiation leakage can be avoided to a greater extent by the double-door body design, so that the use safety of the device is higher;
2. according to the utility model, the movable carrier is arranged, and can move outside the crystal furnace under the action of the screw rod transmission, so that the diamond crystal seeds are conveniently placed, the diamond crystal seeds are placed more orderly, the diamond carrier is not required to be held by hand, the hands are stretched into the crystal furnace for placement, the position deviation of the diamond crystal seeds in the transferring process is avoided, the position of the diamond carrier is more accurate when the crystal grows, the deflection is not easy to occur, and the crystal growth condition is better.
3. The utility model can focus the microwave generated by the microwave generator by arranging the focusing mirror, the focused microwave can excite the plasma ball more easily and more uniformly, and when the focusing position of the microwave is disturbed and deviates, the focusing mirror can move up and down along the guide post under the transmission action of the screw rod, thereby changing the distance between the focusing mirror and the microwave generator, correcting the focusing position of the microwave, and enabling the microwave to be continuously concentrated in the focusing area of the diamond carrier plate, thereby enabling the periphery of the diamond crystal seed to stably form the plasma ball so as to improve the growth efficiency of the artificial diamond crystal.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic top view of a diamond carrier according to the present utility model;
FIG. 4 is a schematic view of a movable stage according to the present utility model;
fig. 5 is a schematic diagram of the front view structure of the focusing lens of the present utility model.
In the figure: 1. a lifting seat; 101. a lifting groove; 2. a crystal furnace; 201. an outer furnace body; 202. an inner furnace body; 3. a base; 301. a driving bin; 4. a microwave generator; 5. a door body; 6. a control panel; 7. a first screw rod; 8. a movable stage; 801. a mounting groove; 802. a first screw sleeve; 9. a ball; 10. a diamond carrier plate; 1001. a limit flange; 1002. a seed tank; 11. a first servo motor; 12. a vacuum pump; 13. an intake control valve; 14. a camera; 15. a second screw sleeve; 16. a second screw rod; 17. a second servo motor; 18. a guide post; 19. a quartz window; 20. a partition plate; 21. an inlet and an outlet; 22. a focusing mirror; 23. guide sleeve; 24. and (5) mounting a frame.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be 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.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided:
a furnace structure of an artificial diamond crystal growing apparatus, comprising: the crystal furnace 2, the crystal furnace 2 is composed of an outer furnace body 201 and an inner furnace body 202 which are nested with each other, the bottoms of one side of the outer furnace body 201 and one side of the inner furnace body 202 are provided with an inlet and an outlet 21, a microwave generator 4 is arranged in the middle of the top of the crystal furnace 2, and a bottom microwave emission port of the microwave generator 4 is positioned in the inner furnace body 202;
the lifting seat 1 is positioned on one side of the crystal furnace 2 far away from the door body 5, a lifting groove 101 is formed in the middle position inside the lifting seat 1, a second screw rod 16 is installed in the lifting groove 101, a second screw rod sleeve 15 matched with the second screw rod 16 is sleeved on the second screw rod 16, a second servo motor 17 is installed in the middle position of the top end inside the lifting seat 1, and the output end of the second servo motor 17 is connected with the second screw rod 16 through a rotating shaft;
the crystal furnace comprises a base 3, wherein the base 3 is positioned at the bottom of the crystal furnace 2, a first servo motor 11 is arranged at the middle position of one side, close to a lifting seat 1, of the inside of the base 3, a driving bin 301 is arranged at the middle position of the inside of the base 3, a first screw rod 7 is arranged in the driving bin 301, the output end of the first servo motor 11 is connected with the first screw rod 7 through a rotating shaft, a first screw rod sleeve 802 matched with the first screw rod 7 is sleeved on the first screw rod 7, and a control panel 6 is arranged on one side of the base 3;
the movable carrying platform 8, the movable carrying platform 8 is located the inside bottom of interior furnace body 202, and the bottom and the first screw sleeve 802 of movable carrying platform 8 are connected, diamond carrier plate 10 is installed at the top of movable carrying platform 8, and the border position department of movable carrying platform 8 bottom evenly is provided with ball 9, vacuum pump 12 is installed to the bottom that crystal furnace 2 one side was kept away from to elevating socket 1, and evenly be provided with air inlet control valve 13 on elevating socket 1 of vacuum pump 12 top, vacuum pump 12 and air inlet control valve 13 all are linked together with interior furnace body 202, vacuum pump 12 and air inlet control valve 13 work, can follow accurate control to the gas composition in the interior furnace body 202, and the design is more reasonable.
In one embodiment, the middle position inside the inner furnace 202 is horizontally provided with the partition board 20, the middle position inside the partition board 20 is provided with the quartz window 19, the two sides of the bottom of the partition board 20 are provided with the cameras 14, the two sides of the top of the partition board 20 are both fixed with the guide posts 18, and the cameras 14 can be connected with an external display device through a 5G network, so that a worker can remotely watch the actual situation of the artificial diamond in the reaction furnace without checking on site at any time, and convenience and practicability are improved.
In one preferred embodiment, a limit flange 1001 is disposed at the edge of the diamond carrier 10, a mounting groove 801 matching the shape of the limit flange 1001 is formed at the top of the movable carrier 8, seed grooves 1002 are uniformly formed on the upper surface of the diamond carrier 10, prepared seed crystals are placed in the seed grooves 1002 of the diamond carrier 10 one by one, then the diamond carrier 10 is placed on the movable carrier 8, the limit flange 1001 is embedded in the mounting groove 801, and deviation of the placement position of the diamond carrier 10 can be avoided, so that the crystal growth efficiency is affected.
In one embodiment, a mounting frame 24 is disposed between the guide posts 18, a focusing lens 22 is mounted in the mounting frame 24, guide sleeves 23 matching with the outer diameter of the guide posts 18 are disposed on two sides of the mounting frame 24, and a second screw sleeve 15 is connected with one of the guide sleeves 23, the central axes of the microwave generator 4, the focusing lens 22 and the quartz window 19 coincide, when the focusing position of the microwave is offset due to interference of gas, the focusing lens 22 can move up and down along the guide posts 18 under the action of screw rod transmission, so that the distance between the focusing lens and the microwave generator 4 is changed, the focusing position of the microwave is corrected, and then plasma balls can be stably formed around the diamond seed crystal, so that the growth efficiency of the artificial diamond crystal is improved.
In one preferred embodiment, the door bodies 5 are hinged at the inlet and outlet 21, the opening and closing directions of the two door bodies 5 are opposite, sealing rubber strips are arranged at the joint of the door bodies 5 and the inlet and outlet 21, the width of the inlet and outlet 21 is larger than the outer diameter of the movable carrying platform 8, the opening and closing directions are opposite, the double door bodies 5 can avoid radiation leakage to a greater extent, the safety of the device is higher, the width is larger than the outer diameter of the movable carrying platform 8, the movable carrying platform 8 can conveniently enter and exit, namely, a diamond carrying plate 10 is not needed to be held, hands are stretched into the crystal furnace 2 for placement, and the position deviation of diamond seeds in the transferring process is avoided.
The working principle of the utility model is as follows: when the microwave oven is used, the two door bodies 5 are firstly turned on, the first servo motor 11 is controlled to work through the control panel 6, the first screw rod 7 is driven to rotate, namely, the first screw rod sleeve 802 moves left in the driving bin 301, namely, the movable carrying platform 8 is driven to extend out from the inlet and outlet 21, prepared seed crystals are placed into the seed crystal grooves 1002 of the diamond carrying plate 10 one by one, then the diamond carrying plate 10 is placed on the movable carrying platform 8, the limit flange 1001 is embedded into the mounting groove 801, then the first servo motor 11 inverts the movable carrying platform 8 to reset, then the door bodies 5 are turned off, the starting device is started, the microwave generator 4 generates microwaves into the inner oven body 202, the microwaves are continuously concentrated into the focusing area of the diamond carrying plate 10 through the quartz window 19 after being focused by the focusing lens 22, the vacuum pump 12 and the air inlet control valve 13 work, and the focusing lens 22 can move up and down along the guide post 18 under the action of the guide post 18 when the focusing position of the microwaves is interfered by the air and deviates during crystal production, so that the distance between the focusing position of the microwaves and the microwave generator 4 is changed.
The foregoing is merely exemplary of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A furnace structure of an artificial diamond crystal growing apparatus, comprising:
the crystal furnace (2) is composed of an outer furnace body (201) and an inner furnace body (202) which are mutually nested, the bottoms of one side of the outer furnace body (201) and one side of the inner furnace body (202) are respectively provided with an inlet and an outlet (21), a microwave generator (4) is arranged at the middle position of the top of the crystal furnace (2), and a bottom microwave emission port of the microwave generator (4) is positioned in the inner furnace body (202);
the lifting seat (1), the lifting seat (1) is located at one side of the crystal furnace (2) far away from the door body (5), a lifting groove (101) is formed in the middle position inside the lifting seat (1), a second screw rod (16) is installed in the lifting groove (101), a second screw rod sleeve (15) matched with the second screw rod is sleeved on the second screw rod (16), a second servo motor (17) is installed in the middle position of the top end inside the lifting seat (1), and the output end of the second servo motor (17) is connected with the second screw rod (16) through a rotating shaft;
the crystal furnace comprises a base (3), wherein the base (3) is positioned at the bottom of a crystal furnace (2), a first servo motor (11) is installed at the middle position of one side, close to a lifting seat (1), of the inside of the base (3), a driving bin (301) is arranged at the middle position of the inside of the base (3), a first screw rod (7) is arranged in the driving bin (301), the output end of the first servo motor (11) is connected with the first screw rod (7) through a rotating shaft, a first screw rod sleeve (802) matched with the first screw rod is sleeved on the first screw rod (7), and a control panel (6) is installed at one side of the base (3);
the movable carrying platform (8), movable carrying platform (8) are located the inside bottom of interior furnace body (202), and the bottom of movable carrying platform (8) is connected with first screw rod cover (802), diamond carrier plate (10) are installed at the top of movable carrying platform (8), and the border position department of movable carrying platform (8) bottom evenly is provided with ball (9).
2. The furnace structure of an artificial diamond crystal growing apparatus according to claim 1, wherein: the middle position inside the inner furnace body (202) is horizontally provided with a baffle plate (20), the middle position inside the baffle plate (20) is provided with a quartz window (19), cameras (14) are respectively installed on two sides of the bottom of the baffle plate (20), and guide posts (18) are respectively fixed on two sides of the top of the baffle plate (20).
3. The furnace structure of an artificial diamond crystal growing apparatus according to claim 1, wherein: the bottom of one side of the lifting seat (1) far away from the crystal furnace (2) is provided with a vacuum pump (12), the lifting seat (1) above the vacuum pump (12) is uniformly provided with an air inlet control valve (13), and the vacuum pump (12) and the air inlet control valve (13) are communicated with the inner furnace body (202).
4. The furnace structure of an artificial diamond crystal growing apparatus according to claim 1, wherein: the edge position department of diamond carrier plate (10) is provided with limit flange (1001), and mounting groove (801) identical with limit flange (1001) shape are seted up at the top of movable carrier plate (8), seed crystal groove (1002) have evenly been seted up to the upper surface of diamond carrier plate (10).
5. The furnace structure of an artificial diamond crystal growing apparatus according to claim 2, wherein: the microwave oven is characterized in that a mounting frame (24) is arranged between the guide posts (18), a focusing mirror (22) is mounted in the mounting frame (24), guide sleeves (23) which are matched with the outer diameters of the guide posts (18) are arranged on two sides of the mounting frame (24), the second screw rod sleeve (15) is connected with one of the guide sleeves (23), and central axes of the microwave oven (4), the focusing mirror (22) and the quartz window (19) coincide.
6. The furnace structure of an artificial diamond crystal growing apparatus according to claim 1, wherein: the door bodies (5) are hinged at the positions of the inlet and the outlet (21), the opening and closing directions of the two door bodies (5) are opposite, sealing rubber strips are arranged at the connecting positions of the door bodies (5) and the inlet and the outlet (21), and the width of the inlet and the outlet (21) is larger than the outer diameter of the movable carrying platform (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320860226.3U CN219547151U (en) | 2023-04-18 | 2023-04-18 | Furnace body structure of artificial diamond crystal growth equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320860226.3U CN219547151U (en) | 2023-04-18 | 2023-04-18 | Furnace body structure of artificial diamond crystal growth equipment |
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| Publication Number | Publication Date |
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| CN219547151U true CN219547151U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320860226.3U Active CN219547151U (en) | 2023-04-18 | 2023-04-18 | Furnace body structure of artificial diamond crystal growth equipment |
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| CN (1) | CN219547151U (en) |
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- 2023-04-18 CN CN202320860226.3U patent/CN219547151U/en active Active
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