CN115506020A - Single crystal furnace for preparing sapphire crystal - Google Patents
Single crystal furnace for preparing sapphire crystal Download PDFInfo
- Publication number
- CN115506020A CN115506020A CN202211365624.4A CN202211365624A CN115506020A CN 115506020 A CN115506020 A CN 115506020A CN 202211365624 A CN202211365624 A CN 202211365624A CN 115506020 A CN115506020 A CN 115506020A
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- Prior art keywords
- single crystal
- fixedly connected
- base
- plate
- furnace
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- 239000013078 crystal Substances 0.000 title claims abstract description 80
- 229910052594 sapphire Inorganic materials 0.000 title claims abstract description 26
- 239000010980 sapphire Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/20—Aluminium oxides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention discloses a single crystal furnace for preparing sapphire crystals, which comprises a base, wherein a single crystal furnace body is fixedly connected in the middle of the top of the base, a furnace cover is arranged at the top of the single crystal furnace body, a heater is fixedly connected to one side of the single crystal furnace body, a supporting plate is arranged on the left side of the top of the base, and an installation plate is fixedly connected to one side of the supporting plate. This single crystal growing furnace that sapphire crystal system was used is provided with first hydraulic stem, including a motor, an end cap, a controller, and a cover plate, the heat insulating board, the spiral groove, fixing bolt, sealing washer and seal groove, fixing bolt makes heat insulating board and bell link together, first hydraulic stem makes the bell move down and carries out the closing cap to the single crystal growing furnace body, the leakproofness between the sealing washer reinforcing bell of bell bottom and the single crystal growing furnace body, the sealing washer becomes the screw thread shape, carry out the closing cap and uncap to the single crystal growing furnace body under the drive of motor, do not need the manual work to carry out the closure to the bell, the security that has improved the single crystal growing furnace.
Description
Technical Field
The invention relates to the technical field of single crystal furnaces, in particular to a single crystal furnace for preparing sapphire crystals.
Background
The single crystal furnace is a device for melting polycrystalline materials such as polycrystalline silicon and the like by using a graphite heater in an inert gas environment and growing dislocation-free single crystals by using a Czochralski method, sapphire is an alumina single crystal containing a small amount of Fe & lt 2+ & gt and Ti & lt 4+ & gt, and compared with other minerals, the sapphire has good optical performance and mechanical performance, is stable in chemical property, high in strength, corrosion-resistant and high-temperature-resistant, has hardness second to diamond, has extremely wide application in many technical fields, and is usually used for preparing sapphire crystals when people produce the sapphire at present.
The patent document of the prior art publication No. CN212713833U provides an electrically-controlled integrated movable lower furnace chamber of a single crystal furnace, and the device is provided with rollers, so that the movement of a single crystal furnace body is facilitated, the labor force is saved, and the time is saved; by arranging the guide plate and the hydraulic cylinder, the feeding quantity can be effectively controlled under the action of the telescopic rod, the waste of materials is reduced, and the use cost is saved; through setting up control panel, baroceptor, siren and aspirator, can carry out real time monitoring to the inside gas of single crystal growing furnace body, when gas concentration is not enough, the siren takes place the alarm, control bread control aspirator work, work efficiency is greatly improved, however, this patent CN212713833U is firing the completion back in the technique, need open the bell and take out inside sapphire, however, the temperature on bell surface can make the staff scald, there is certain potential safety hazard, and the condition of skew takes place easily for the gyro wheel of bottom, it can cause the influence to the sapphire preparation in the stove to rock, therefore, we need the single crystal growing furnace that a sapphire crystal system was used.
Disclosure of Invention
Accordingly, the present invention is directed to a single crystal furnace for preparing sapphire crystals, so as to solve the problems that in the technology of CN212713833U, after firing, a furnace cover needs to be opened to take out the sapphire inside, but the temperature of the surface of the furnace cover may scald workers, which has certain safety hazards, and the sapphire preparation in the furnace is affected by shaking due to the fact that rollers at the bottom are easy to shift.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a single crystal growing furnace that sapphire crystal preparation was used, includes the base, the middle fixedly connected with single crystal growing furnace body at base top, and the top of single crystal growing furnace body is provided with the bell, one side fixedly connected with heater of single crystal growing furnace body, the left side at base top is provided with the backup pad, and one side fixedly connected with mounting panel of backup pad, the bottom of mounting panel is provided with the automatic subassembly that uncaps, the first hydraulic stem of bottom fixedly connected with of mounting panel, the bottom of base is provided with the removal subassembly.
Preferably, the automatic subassembly of uncapping includes first hydraulic stem, motor, connecting rod, heat insulating board, spiral shell groove, fixing bolt, sealing washer and seal groove, the bottom fixedly connected with motor of first hydraulic stem, and the output of motor can dismantle through the shaft coupling and be connected with the connecting rod to the bottom fixedly connected with heat insulating board of connecting rod, the motor passes through the connecting rod and constitutes revolution mechanic with the heat insulating board, and the connecting rod setting is between motor and heat insulating board.
Preferably, the top of the heat insulation plate is provided with a spiral groove, the inner wall of the spiral groove is in threaded connection with a fixing bolt, the shape and the size of the spiral groove are matched with those of the fixing bolt, and the bottom of the fixing bolt extends into the inner wall of the spiral groove to be connected with the furnace cover.
Preferably, the bottom of the furnace cover is fixedly connected with a sealing ring, the top of the single crystal furnace body is provided with a sealing groove, the shape and size of the sealing ring are matched with those of the sealing groove, and the bottom of the sealing ring extends into the inner wall of the sealing groove to be connected.
Preferably, the moving assembly comprises a top plate, a bottom plate, a spring, a damper, a roller, a second hydraulic rod and an anti-slip plate, the bottom of the base is fixedly connected with the top plate, the bottom of the top plate is connected with the bottom plate in a clamping mode, the base forms a clamping structure through the top plate and the bottom plate, and the bottom of the top plate is connected with the inner wall of the top of the bottom plate.
Preferably, the inner wall of the bottom plate is fixedly connected with a spring, the inner wall of the spring is sleeved with a damper, the top plate and the bottom plate form an elastic structure through the spring, and the spring is arranged between the top plate and the bottom plate.
Preferably, the bottom of the base is fixedly connected with a second hydraulic rod, the bottom of the second hydraulic rod is fixedly connected with an antiskid plate, the base and the antiskid plate form a lifting structure through the second hydraulic rod, and the second hydraulic rod is arranged between the base and the antiskid plate.
Compared with the prior art, the invention has the beneficial effects that: the single crystal furnace for preparing the sapphire crystal,
(1) The single crystal furnace is provided with a first hydraulic rod, a motor, a connecting rod, a heat insulation plate, a screw groove, a fixing bolt, a sealing ring and a sealing groove, wherein the fixing bolt enables the heat insulation plate to be connected with the furnace cover, the first hydraulic rod enables the furnace cover to move downwards to seal the single crystal furnace body, the sealing ring at the bottom of the furnace cover enhances the sealing property between the furnace cover and the single crystal furnace body, the sealing ring is in a thread shape, the single crystal furnace body is sealed and opened under the driving of the motor, the furnace cover does not need to be closed manually, and the safety of the single crystal furnace is improved;
(2) Be provided with roof, bottom plate, spring, attenuator, gyro wheel, second hydraulic stem and antiskid ribbed tile, through spring and attenuator on setting up the gyro wheel, can alleviate the vibrations that produce when the single crystal growing furnace removes, play the effect of buffering vibration sense, when removing needs position, second hydraulic stem makes antiskid ribbed tile downwards, and antiskid ribbed tile laminating ground increases frictional force to rocking appears in the gyro wheel, has improved stability.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is a schematic view of the motor and the lid of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the invention shown at A in FIG. 2.
In the figure: 1. a base; 2. a single crystal furnace body; 3. a furnace cover; 4. a heater; 5. a support plate; 6. mounting a plate; 7. an automatic uncap assembly; 701. a first hydraulic lever; 702. a motor; 703. a connecting rod; 704. a heat insulation plate; 705. a screw groove; 706. fixing the bolt; 707. a seal ring; 708. a sealing groove; 8. a moving assembly; 801. a top plate; 802. a base plate; 803. a spring; 804. a damper; 805. a roller; 806. a second hydraulic rod; 807. an antiskid plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a single crystal furnace for preparing sapphire crystals comprises a base 1, a single crystal furnace body 2 is fixedly connected in the middle of the top of the base 1, a furnace cover 3 is arranged at the top of the single crystal furnace body 2, a heater 4 is fixedly connected to one side of the single crystal furnace body 2, a supporting plate 5 is arranged on the left side of the top of the base 1, a mounting plate 6 is fixedly connected to one side of the supporting plate 5, an automatic cover opening assembly 7 is arranged at the bottom of the mounting plate 6, the automatic cover opening assembly 7 comprises a first hydraulic rod 701, a motor 702, a connecting rod 703, a heat insulation plate 704, a screw groove 705, a fixing bolt 706, a sealing ring 707 and a sealing groove 708, the bottom of the mounting plate 6 is fixedly connected with the first hydraulic rod 701, the bottom of the first hydraulic rod 701 is fixedly connected with the motor 702, the output end of the motor 702 is detachably connected with the connecting rod 703 through a coupler, and the bottom of the connecting rod 703 is fixedly connected with the heat insulation plate 704, the motor 702 and the heat insulation board 704 form a rotating structure through the connecting rod 703, and the connecting rod 703 is arranged between the motor 702 and the heat insulation board 704, so that the heat insulation board 704 can rotate while moving up and down under the action of the motor 702 and the first hydraulic rod 701, the top of the heat insulation board 704 is provided with a spiral groove 705, the inner wall of the spiral groove 705 is in threaded connection with a fixing bolt 706, the shape and the size of the spiral groove 705 are matched with those of the fixing bolt 706, the bottom of the fixing bolt 706 extends into the inner wall of the spiral groove 705 to be connected with the furnace cover 3, the heat insulation board 704 drives the furnace cover 3 to rotate while moving up and down, the furnace cover 3 is opened and closed, the bottom of the furnace cover 3 is fixedly connected with a sealing ring 707, the top of the single crystal furnace body 2 is provided with a sealing groove 708, the shape and the size of the sealing ring 707 is matched with those of the sealing groove 708, and the bottom of the sealing ring 707 extends into the inner wall of the sealing groove 708 to be connected, the sealing ring 707 is made to extend into the sealing groove 708 for sealing, the sealing ring 707 is made of flexible graphite, good high-temperature resistance effect is achieved, the sealing effect of the single crystal furnace is improved, the single crystal furnace body 2 is sealed and opened under the driving of the motor 702 and the first hydraulic rod 701, the furnace cover 3 does not need to be closed manually, and the safety of the single crystal furnace is improved.
Please refer to fig. 1, fig. 2 and fig. 4, a moving assembly 8 is disposed at the bottom of the base 1, the moving assembly 8 includes a top plate 801, a bottom plate 802, a spring 803, a damper 804, a roller 805, a second hydraulic rod 806 and an anti-slip plate 807, the bottom of the base 1 is fixedly connected with the top plate 801, the bottom of the top plate 801 is connected with the bottom plate 802 through the top plate 801, the bottom of the top plate 801 is connected with the inner wall of the top of the bottom plate 802, so as to facilitate the clamping between the top plate 801 and the bottom plate 802, and achieve the connection effect therebetween, the inner wall of the bottom plate 802 is fixedly connected with the spring 803, and the inner wall of the spring 803 is sleeved with the damper 804, the top plate 801 and the bottom plate 802 form an elastic structure through the spring 803, and the spring 803 is disposed between the top plate 801 and the bottom plate 802, so as to facilitate the combined action of the spring 803 and the damper 804, the shock 807 generated when the single crystal furnace moves, which can be alleviated the shock 807 when the single crystal furnace is moved, the shock absorption effect of buffering shock feeling is achieved, the bottom of the base 1 is fixedly connected with the second hydraulic rod 806, the anti-slip plate 807 is fixedly connected with the anti-slip plate 806, the base 1, the anti-slip plate 806 is further increased the anti-slip mechanism 806, and the anti-slip plate 806, and the anti-slip mechanism 806 are convenient for increasing the stability of the roller 806, and the anti-slip plate 806, and the anti-slip mechanism 806 are convenient for increasing the anti-slip mechanism 806, and the anti-slip mechanism 806 are not shake of the anti-slip mechanism 806 are convenient for increasing the anti-slip mechanism 806.
The working principle is as follows: when the single crystal furnace for preparing the sapphire crystal is used, firstly, when the position of the single crystal furnace needs to be moved, the roller 805 is used for pushing the whole device, the spring 803 and the damper 804 on the roller 805 can reduce vibration generated when the single crystal furnace moves, the effect of buffering vibration sense is achieved, when the single crystal furnace moves to a needed position, the second hydraulic rod 806 is started, the second hydraulic rod 806 enables the anti-slip plate 807 to be downward, the anti-slip plate 807 is attached to the ground to increase friction force, the roller 805 is prevented from shaking, stability is improved, when the single crystal furnace is opened, the first hydraulic rod 701 and the motor 702 are started simultaneously, the motor 702 is driven by the first hydraulic rod 701 to move upwards, the motor 702 drives the heat insulation plate 704 at the bottom of the connecting rod 703 to rotate and rise, the heat insulation plate 704 is fixed with the furnace cover 3 through the fixing bolt 706, the furnace cover 3 rotates and rises along with the heat insulation plate 704, opening work of the furnace cover 3 is achieved, manual work of closing the furnace cover 3 is not needed, safety of the single crystal furnace is improved, reverse operation can be achieved, a sealing groove 707 is achieved by a person skilled in the technical description, and the detailed technical description is provided.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A single crystal growing furnace for preparing sapphire crystal, comprising a base (1), characterized in that: the middle fixedly connected with single crystal growing furnace body (2) at base (1) top, and the top of single crystal growing furnace body (2) is provided with bell (3), one side fixedly connected with heater (4) of single crystal growing furnace body (2), the left side at base (1) top is provided with backup pad (5), and one side fixedly connected with mounting panel (6) of backup pad (5), the bottom of mounting panel (6) is provided with automatic subassembly (7) of uncapping, the first hydraulic stem (701) of bottom fixedly connected with of mounting panel (6), the bottom of base (1) is provided with removal subassembly (8).
2. A single crystal furnace for manufacturing a sapphire crystal according to claim 1, wherein: automatic subassembly (7) of uncapping includes first hydraulic stem (701), motor (702), connecting rod (703), heat insulating board (704), spiral groove (705), fixing bolt (706), sealing washer (707) and seal groove (708), the bottom fixedly connected with motor (702) of first hydraulic stem (701), and the output of motor (702) can dismantle through the shaft coupling and be connected with connecting rod (703) to the bottom fixedly connected with heat insulating board (704) of connecting rod (703), motor (702) constitutes revolution mechanic through connecting rod (703) and heat insulating board (704), and connecting rod (703) set up between motor (702) and heat insulating board (704).
3. A single crystal furnace for preparing a sapphire crystal according to claim 2, wherein: spiral groove (705) have been seted up at the top of heat insulating board (704), and the inner wall threaded connection of spiral groove (705) has fixing bolt (706), the shape size of spiral groove (705) and the shape size phase-match of fixing bolt (706), and the bottom of fixing bolt (706) stretches into the inner wall and the bell (3) of spiral groove (705) and is connected.
4. A single crystal furnace for manufacturing a sapphire crystal according to claim 2, wherein: the bottom of the furnace cover (3) is fixedly connected with a sealing ring (707), a sealing groove (708) is formed in the top of the single crystal furnace body (2), the shape and the size of the sealing ring (707) are matched with those of the sealing groove (708), and the bottom of the sealing ring (707) extends into the inner wall of the sealing groove (708) to be connected.
5. A single crystal furnace for preparing a sapphire crystal according to claim 1, wherein: the movable assembly (8) comprises a top plate (801), a bottom plate (802), a spring (803), a damper (804), a roller (805), a second hydraulic rod (806) and an anti-slip plate (807), wherein the bottom of the base (1) is fixedly connected with the top plate (801), the bottom of the top plate (801) is connected with the bottom plate (802) in a clamping mode, the base (1) forms a clamping structure with the bottom plate (802) through the top plate (801), and the bottom of the top plate (801) is connected with the inner wall of the top of the bottom plate (802).
6. A single crystal furnace for preparing a sapphire crystal according to claim 5, characterized in that: the inner wall of the bottom plate (802) is fixedly connected with a spring (803), the inner wall of the spring (803) is sleeved with a damper (804), the top plate (801) and the bottom plate (802) form an elastic structure through the spring (803), and the spring (803) is arranged between the top plate (801) and the bottom plate (802).
7. A single crystal furnace for manufacturing a sapphire crystal according to claim 5, characterized in that: the bottom fixedly connected with second hydraulic stem (806) of base (1), and the bottom fixedly connected with antiskid ribbed tile (807) of second hydraulic stem (806), base (1) constitutes elevation structure through second hydraulic stem (806) and antiskid ribbed tile (807), and second hydraulic stem (806) set up between base (1) and antiskid ribbed tile (807).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211365624.4A CN115506020A (en) | 2022-11-02 | 2022-11-02 | Single crystal furnace for preparing sapphire crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211365624.4A CN115506020A (en) | 2022-11-02 | 2022-11-02 | Single crystal furnace for preparing sapphire crystal |
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| CN115506020A true CN115506020A (en) | 2022-12-23 |
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| CN202211365624.4A Pending CN115506020A (en) | 2022-11-02 | 2022-11-02 | Single crystal furnace for preparing sapphire crystal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538809A (en) * | 2023-07-06 | 2023-08-04 | 常州市乐萌压力容器有限公司 | Gem furnace cover and processing technology thereof |
| CN116538809B (en) * | 2023-07-06 | 2023-09-15 | 常州市乐萌压力容器有限公司 | Gem furnace cover and processing technology thereof |
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