CN209669395U - A kind of KY method Sapphire Crystal Growth suspension type crucible cover and KY method Sapphire Crystal Growth device for adjusting height immediately - Google Patents

Abstract

The utility model discloses a kind of KY method Sapphire Crystal Growth devices, including at least crucible, suspension mechanism and crucible cover, it is characterized in that, the crucible cover includes lid, lid eaves and nut cap, lid is annular in shape, top surface is equipped with through-hole, the through-hole is hole for hoist, the cylindrical tubulose of lid eaves or tubaeform tubulose, one open end of the lid eaves and the outer circle of lid connect, the other end is free end and extends to crucible direction, nut cap is in horn-like, the connection of the inner circle of the biggish open end of nut cap and lid, the aperture of the other end is free end and extends to the opposite direction of crucible, that is lid eaves and the nut cap two sides that are respectively provided at plane where lid；The suspension mechanism can be connected on crucible cover, and crucible cover is suspended on to the top of crucible opening in working condition by suspension mechanism.

Description

A kind of KY method Sapphire Crystal Growth suspension type crucible cover for adjusting height immediately and KY method Sapphire Crystal Growth device

Technical field

The utility model belongs to sapphire crystal growth field, and in particular to a kind of KY method Sapphire Crystal Growth crucible.

Background technique

Domestic at present and foreign countries' growing large-size sapphire is mainly based on KY method and HEM (heat-exchanging method).By long-term Crystalline material quality verification and client use the verifying repeatedly at end, its is monocrystalline for the sapphire crystal that heat-exchanging method grows out And brightness is unable to reach customer requirement, the especially application at LED substrate material end.Therefore it is brilliant to become growing sapphire for KY method The main stream approach of body.

Sapphire crystal material melting point is high, and fusing point is 2050 DEG C, and growth cycle is long and process is more and complicated.Sapphire is long Brilliant process is mainly by being inoculated with --- shouldering --- control diameter --- isometrical --- mentioning de- --- annealing and etc. completion.Sapphire crystal Growth technique process it is various and complicated, each process of whole process belong to continuity movement, during which do not allow to interrupt, once its There is link to interrupt or fail to meet production requirements in as soon as, then entire long crystalline substance will fail, and longer crystal just belongs to underproof Product.

Therefore just need to provide excellent thermal insulation performance, reasonable in design and hot to obtain the sapphire crystal of high quality The stable long crystal thermal field in field.Usual thermal field structure is by mainly by thermal fields devices such as heat preservation side screen, upper and lower heat screen, crucible, crucible covers Part composition.

The quality problem of sapphire crystal material is mainly reflected in polycrystalline, cracking, envelope etc..Wherein polycrystalline and envelope etc. are asked It inscribes smaller to the value influence of product；And problem of Cracking is then more serious, and the accounting of problem of Cracking is also more, crystal is once Its value that cracks will be greatly reduced, and seriously affect the performance of enterprises.

Mention that de- technique and inoculation, shouldering gradient is improper is likely to that product is caused problem of Cracking occur.And it causes to mention de- Failure it is most important the reason is that existing crucible cover unreasonable structural design, after being embodied in the installation of existing crucible cover There is no enough spaces when spatial design causes crystal to mention de- to make crystal and crucible without departing from finally because of different materials stress Difference leads to crystal cleavage；Inoculation, shouldering failure be mainly crystal growth at this stage when because the design of crucible cover structure causes Material solution transverse gradients deficiency, shakiness in crucible crack after leading to the crystallization for growing too fast formation.

Summary of the invention

The technical problem to be solved by the utility model is to provide it is a kind of design it is reasonable, convenient to use, using effect is good, mention The crucible that the crucible cover and the crucible cover of high thermal field using effect use.

To achieve the above objectives, the present invention provides the following technical solutions:

The purpose of the utility model is to overcome the design problem of existing crucible cover, it can make to propose de- technique and more preferably complete, Keep the cooperation of crucible cover and crucible closer, energy loss is reduced, to propose a kind of KY method Sapphire Crystal Growth crucible On the suspension type novel crucible cover that uses.

The utility model discloses the crucible covers used on a kind of KY method Sapphire Crystal Growth crucible, i.e. Idiotype crucible Lid, which is characterized in that comprising lid (4-1), lid eaves (4-2) and nut cap (4-3), the lid (4-1) annularly, lid (4- 1) surface is equipped with through-hole, which is hole for hoist (4-5), the cylindrical tubulose of the lid eaves (4-2) or tubaeform tubulose, institute An open end for stating lid eaves (4-2) is connect with the outer circle of lid (4-1), and the other end is free end, and the nut cap (4-3) is in loudspeaker Shape, the biggish open end nut cap (4-3) are connect with the inner circle of lid (4-1), and the other end is free end, the lid eaves (4-2) The two sides of plane where being respectively provided at lid (4-1) with nut cap (4-3).

It is additionally provided with suspension mechanism, the suspension mechanism includes hanger bar A (1) and hanger bar B (3), hanger bar A (1) and is hanged Hanging rod B (3) is in the shape of a rod, and is mutually threadedly coupled, and one end of the hanger bar A (1) is connected to the fixing end of upper end, hanger bar One end of B (3) is connected on hole for hoist (4-5).

In actual use: hole for hoist (4-5) on lid (4-1) is equipped with 3~8, will be special different using suspension mechanism Type crucible cover (4) is suspended on above crucible (5), and the suspension mechanism includes multiple groups hanger bar, and every group of hanger bar is divided into two kinds not The round body of rod of same specification, i.e. hanger bar A (1) and hanger bar B (3), the hanger bar A (1) and hanger bar B (3) pass through screw thread It is connected with each other, hanger bar A (1) is equipped with internal screw thread, and hanger bar B (3) is equipped with external screw thread, the material of the hanger bar A and hanger bar B Matter selects tungsten or molybdenum, is made using technique is forged, can be adjusted according to the needs the group of hanger bar A (1) and hanger bar B (3) The group of hanger bar A (1) and hanger bar B (3) can be shortened when needing crucible cover (4) closer apart from crucible (5) by closing length Close length；When needing crucible cover (4) remote some apart from crucible (5), the group of hanger bar A (1) and hanger bar B (3) can be extended Close length.

The quantity of the suspension mechanism is consistent with hole for hoist (4-5) quantity, and hanger bar and hole for hoist (4-5) are corresponded in fact Now hang crucible cover (4).

Abnormal shape crucible cover (4) material uses molybdenum, and crucible cover (4) entirety spinning is made in conjunction with Sheet Metal Forming Technology, 8 holes for hoist (4-5) are made a call in a circumferential direction simultaneously, hole for hoist (4-5) is preferably opened in use state in the plane of horizontal plane.

Anisotropic crucible cover (4) integral workblank is first screwed out with spinning process by certain angle, then uses high temperature Sheet Metal Forming Technology pair The region of outer diameter one fixed width carries out punching press with Sheet Metal Forming Technology, and crucible cover outer diameter one fixed width part is made to form certain arc on one side Degree, another side form a step plane, and several, this interface perforated surfaces are also simultaneously hanger bar and the stationary plane for doing lid, earthenware Crucible lid finally opens hole at center, which is aperture (4-4).

Compared with prior art, above-mentioned crucible cover has the beneficial effect that:

1, in conjunction with Sheet Metal Forming Technology, spinning process not only ensure that the spinning that the crucible cover uses according to certain angle back-out The consistency of crucible cover idiosome ensure that the corresponding height space of crucible cover simultaneously.

2, carrying out punching press to crucible cover outer diameter width segments using Sheet Metal Forming Technology makes ragged edge form special angle, the design Mouth of pot and crucible top melt have been carried out good protection, ensured that the heat insulating ability of mouth of pot liquid level temperature, also really The stabilization of mouth of pot difference radial temperature is protected, therefore the upper lateral temperature gradient in crucible solution is also guaranteed.

3, special-shaped crucible cover is connected using hanger bar hangs in heat protection screen hanger bar simultaneously with fixation, crucible cover suspension Above crucible, thoroughly solves the problems, such as crucible cover and crucible adhesion, while hanging on crucible cover, completely may be used as needed To obtain the space being detached from after crystal growth with crucible, 100% may finally be reached by the de- technique completion rate that mentions of crystal growth.

The links such as inoculation, shouldering and Ti Tuo are most important several links, these links all can be relevant with crucible cover, The design of crucible cover structure is most important.

Crucible cover is that thermal field device when crystal and crystal growth is closest in entire thermal field structure other than crucible Part, so the structure design of crucible cover is one of most important link of thermal field.

A kind of KY method Sapphire Crystal Growth device includes at least crucible (5), suspension mechanism and crucible cover (4), feature Be, the crucible cover (4) includes lid (4-1), lid eaves (4-2) and nut cap (4-3), lid (4-1) annularly, lid (4- 1) surface is equipped with through-hole, which is hole for hoist (4-5), lid eaves (4-2) cylindrical tubulose or tubaeform tubulose, the lid One open end of eaves (4-2) is connect with the outer circle of lid (4-1), and the other end is free end and extends to crucible (5) direction, lid In horn-like, the biggish open end nut cap (4-3) connect cap (4-3) with the inner circle of lid (4-1), and the aperture of the other end is freedom It holds and extends to the opposite direction of crucible (5), i.e., lid eaves (4-2) and nut cap (4-3) are respectively provided at the two of lid (4-1) place plane Side；The suspension mechanism can be connected on crucible cover (4), and hang crucible cover (4) by suspension mechanism in working condition In the top of crucible (5) opening.

In actual use: crucible cover (4) are connected by suspension mechanism, crucible cover (4) is suspended on to the top of crucible (5), When working condition, crucible cover (4) is avoided to contact with crucible (5), it, can be bigger to be provided above crystal when proposing the techniques such as de- Space, and can be avoided crucible cover and stick on crucible.

As an improvement, being additionally provided with screen support chip (7), upper screen support chip (7) is located at the top of crucible (5) opening, crucible Lid (4) is located between crucible (5) and upper screen support chip (7), and the suspension mechanism includes hanger bar A (1) and hanger bar B (3), is hanged Hanging rod A (1) and hanger bar B (3) are in the shape of a rod, and are mutually threadedly coupled, and one end of the hanger bar A (1) is connected to screen branch In blade (7), one end of hanger bar B (3) is connected on hole for hoist (4-5).

In actual use: can according to need, adjust length after the combination of hanger bar A (1) and hanger bar B (3), pass through rotation Turn screw thread, realize the pattern length of hanger bar, by changing hanger bar pattern length, thus it is possible to vary crucible cover (4) is apart from crucible (5) distance being open, use that can be more flexible.

In order to preferably be attached crucible cover (4) with hanger bar, under type such as can be used and be attached:

1., hanger bar B (3) pass through hole for hoist (4-5), the two sides lid (4-1) are separately fixed at by bolt, consolidate It is fixed.

2., the connecting pin of hanger bar B (3) and lid (4-1) be equipped with block (3-1), the size of block (3-1) compares hole for hoist (4-5) greatly, when hanging lid (4-1), lid (4-1) is supported on block (3-1), prevents lid (4-1) from hanger bar B (3) Upper landing.

As further, in order to avoid hanger bar B (3) axial-rotation, gag lever post can be equipped on block (3-1) (3-2), the lid (4-1) are equipped with limit hole, when lid (4-1) is supported on block (3-1), gag lever post (3-2) energy Enough across limit hole, to prevent hanger bar B (3) from axially rotating.

As a further improvement, in actual use, there are also bell (8) and furnace body (6), bell (8) is equipped with hole, crucible (5) it is placed in furnace body (6), bell (8) can cover the opening in furnace body (6), and the suspension mechanism includes hanger bar B (3), hang One end of hanging rod B (3) can be connected on crucible cover (4), and the other end is pierced by from the hole of bell (8), and hanger bar B (3) One end on the outside of bell is placed in equipped with pressure cap (9), the size of pressure cap (9) is greater than the size perforated on bell (8), the suspension Sealing ring (10) are equipped at the hole of bar B (3) and bell (8), and is equipped with water-cooled copper (12) and cools down to sealing ring (10), it is described outstanding Hanging rod B (3) is able to drive crucible cover (4) up and down motion.

Equipped with cushion block, when hanger bar B (3) is moved upwards, cushion block is placed between pressure cap (9) and bell (8) and is displaced It is fixed.

In actual use: since hanger bar B (3) has stretched out bell (8), i.e., partial suspension bar B (3) is placed in furnace body (6) outside, Hanger bar B (3) can be lifted outward, to drive crucible cover (4) to move up, upwards after lifting, position is carried out by cushion block It is fixed.Adjusted before can not only realizing production, and the adjusting in production process may be implemented, more increase use it is flexible Property.

Further, it is also possible to which the adjusting in production process is accomplished by the following way: the hanger bar B (3) and bell (8) Between be connected through a screw thread, by rotation hanger bar B (3) drive crucible cover (4) move up and down.

The connecting pin of hanger bar B (3) and lid (4-1) are equipped with block (3-1), and the size of block (3-1) is than hole for hoist (4- 5) when greatly, hanging lid (4-1), lid (4-1) is supported on block (3-1), prevents lid (4-1) sliding from hanger bar B (3) It falls.

Compared with prior art, the utility model has the advantage that

Can facilitate and adjust height of the crucible cover apart from crucible, and can before manufacture be adjusted in production, mention High applicability.

Detailed description of the invention

Fig. 1 is 1 structural schematic diagram of the utility model embodiment.

Fig. 2 is crucible cover schematic cross-sectional view.

Fig. 3 is crucible cover overlooking structure diagram.

Fig. 4 is 2 structural schematic diagram of the utility model embodiment.

Fig. 5 is 3 structural schematic diagram of the utility model embodiment.

Fig. 6 is 4 structural schematic diagram of the utility model embodiment.

Fig. 7 is 5 structural schematic diagram of the utility model embodiment.

Fig. 8 is 7 structural schematic diagram of the utility model embodiment.

Fig. 9 is 8 structural schematic diagram of the utility model embodiment.

Figure 10 is 9 structural schematic diagram of the utility model embodiment.

As shown in the figure: 1 is hanger bar A, and 2 be heat protection screen, and 3 be hanger bar B, and 3-1 is block, and 3-2 is gag lever post, and 4 be earthenware Crucible lid, 4-1 are lids, and 4-2 is lid eaves, and 4-3 is nut cap, and 4-4 is aperture, and 4-5 is hole for hoist, and 5 be crucible, and 6 be furnace body, and 7 are Upper screen support chip, 7-1 are support chip apertures, and 8 be bell, and 9 be pressure cap, and 10 be sealing ring, and 11 be cushion block, and 12 be water-cooled copper.

Heat preservation side screen, electrode and heater in figure between crucible and furnace body are not illustrated in figure, this is conventional structure.

Specific embodiment

The following detailed description of preferred embodiments of the present invention.

Embodiment 1: being the structural schematic diagram of the utility model embodiment 1 referring to Fig.1~3, a kind of

The crucible cover used on KY method Sapphire Crystal Growth crucible, i.e. Idiotype crucible cover, including lid 4-1, lid eaves 4-2 and nut cap 4-3, the lid 4-1 is annular in shape, and the surface lid 4-1 is equipped with through-hole, which is hole for hoist 4-5, the lid One open end of eaves 4-2 cylindrical tubulose or tubaeform tubulose, the lid eaves 4-2 is connect with the outer circle of lid 4-1, separately One end is free end, and in horn-like, the biggish open end nut cap 4-3 is connect the nut cap 4-3 with the inner circle of lid 4-1, another End is free end, the two sides of plane where the lid eaves 4-2 and nut cap 4-3 are respectively provided at lid 4-1.

The lid 4-1, lid eaves 4-2 and nut cap 4-3 constitute special-shaped crucible cover, are a cover-shaped body, use when It waits, the opening closed in crucible can be covered.The small open end of the nut cap 4-3 is that aperture 4-4 facilitates decline bar when mentioning de- Shape body.

By the way that suspension mechanism, the spacing of adjustable crucible cover and crucible is arranged, the suspension mechanism includes hanger bar A1 It is in the shape of a rod with hanger bar B3, hanger bar A1 and hanger bar B3, and be mutually threadedly coupled, one end connection of the hanger bar A1 Fixing end in upper end, one end of hanger bar B3 are connected on hole for hoist 4-5.

In actual use: hole for hoist 4-5 on lid 4-1 is equipped with 3~8, using suspension mechanism by special special-shaped earthenware Crucible lid 4 is suspended on 5 top of crucible, and the suspension mechanism includes multiple groups hanger bar, and every group of hanger bar is divided into two kinds of different sizes The round body of rod, i.e. hanger bar A1 and hanger bar B3, the hanger bar A1 and hanger bar B3 are connected with each other by screw thread, hanger bar A1 Equipped with internal screw thread, hanger bar B3 is equipped with external screw thread, the material selection tungsten or molybdenum of the hanger bar A and hanger bar B, using forging Technique is made, and can be adjusted according to the needs the pattern length of hanger bar A1 and hanger bar B3, when need crucible cover 4 apart from earthenware When crucible 5 is closer, the pattern length of hanger bar A1 and hanger bar B3 can be shortened；When needing crucible cover 4 remote apart from crucible 5 When, the pattern length of hanger bar A1 and hanger bar B3 can be extended.

The quantity of the suspension mechanism is consistent with hole for hoist 4-5 quantity, and hanger bar and hole for hoist 4-5 correspond realization and hang Hang crucible cover 4.

Abnormal shape 4 material of crucible cover uses molybdenum, and the whole spinning of crucible cover 4 is made in conjunction with Sheet Metal Forming Technology, simultaneously 8 hole for hoist 4-5 are made a call in a circumferential direction, hole for hoist 4-5 is preferably opened in use state in the plane of horizontal plane.

Anisotropic 4 integral workblank of crucible cover is first screwed out with spinning process by certain angle, then external with high temperature Sheet Metal Forming Technology The region of diameter one fixed width carries out punching press with Sheet Metal Forming Technology, and crucible cover outer diameter one fixed width part is made to form certain radian on one side, Another side forms a step plane, and several, this interface perforated surfaces are also simultaneously hanger bar and the stationary plane for doing lid, crucible Lid finally opens hole at center, which is aperture 4-4.

Embodiment 2: being the structural schematic diagram of the utility model embodiment 2, compared with Example 1, this implementation referring to Fig. 4 The difference of example is: being attached between hanger bar B3 and lid 4-1 by bolt, the bolt uses tungsten or molybdenum material system At.

Hanger bar B3 passes through lid 4-1, fixing bolt is distinguished in the two sides lid 4-1, by the bolt of two sides to lid 4-1 Upper compression, has reached fixation.

Embodiment 3: being the structural schematic diagram of the utility model embodiment 3, compared with Example 1, this implementation referring to Fig. 5 The difference of example is: the connecting pin of hanger bar B3 and lid 4-1 is equipped with block 3-1, and actual working state, hanger bar B3 is in vertical Shape, under the effect of gravity, lid are fallen on block 3-1, and block 3-1 is supported lid 4-1, i.e., lid 4-1 is suspended on gear On block 3-1, the block is made of tungsten or molybdenum material.

Embodiment 4: being the structural schematic diagram of the utility model embodiment 4, compared with Example 3, this implementation referring to Fig. 6 The difference of example is: block 3-1 is equipped with gag lever post 3-2, and lid 4-1 is equipped with the limit hole that can pass through gag lever post 3-2, When lid 4-1 falls in block 3-1, gag lever post 3-2 can pass through limit hole, to prevent hanger bar B3 from axially rotating.

Embodiment 5: being the structural schematic diagram of the utility model embodiment 5, between hanger bar A and hanger bar B referring to Fig. 7 It is connected through a screw thread, by rotation, the pattern length for adjusting hanger bar A and hanger bar B can be facilitated.

Embodiment 6: being the structural schematic diagram of the utility model embodiment 6, present embodiment discloses a kind of KY referring to Fig.1 Method Sapphire Crystal Growth device, include at least crucible 5, suspension mechanism and crucible cover 4, the crucible cover 4 include lid 4-1, Lid eaves 4-2 and nut cap 4-3, lid 4-1 is annular in shape, and the surface lid 4-1 is equipped with through-hole, which is hole for hoist 4-5, lid eaves 4-2 One open end of cylindrical tubulose or tubaeform tubulose, the lid eaves 4-2 is connect with the outer circle of lid 4-1, the other end Extend for free end and to 5 direction of crucible, nut cap 4-3 is in horn-like, the inner circle of nut cap 4-3 biggish open end and lid 4-1 Connection, the aperture 4-4 of the other end are free end and extend to the opposite direction of crucible 5 that i.e. lid eaves 4-2 and nut cap 4-3 are respectively provided at The two sides of plane where lid 4-1；The suspension mechanism can be connected on crucible cover 4, and lead to crucible cover 4 in working condition The top that suspension mechanism is suspended on the opening of crucible 5 is crossed, and keeps crucible cover 4 and crucible for contactless state.

Be additionally provided with screen support chip 7, upper screen support chip 7 is located at the top of the opening of crucible 5, crucible cover 4 be located at crucible 5 with Between upper screen support chip 7, the suspension mechanism includes hanger bar A1 and hanger bar B3, and hanger bar A1 and hanger bar B3 are in bar Shape, and be mutually threadedly coupled, one end of the hanger bar A1 is connected on screen support chip 7, and one end of hanger bar B3 is connected to On hole for hoist 4-5.

In actual use: crucible cover 4 being connected by suspension mechanism, crucible cover 4 is suspended on to the top of crucible 5, work shape When state, crucible cover 4 is avoided to contact with crucible 5, when proposing the techniques such as de-, bigger space can be provided for crystal top, and It can be avoided crucible cover to stick on crucible.

At the same time it can also as needed, length after the combination of adjusting hanger bar A1 and hanger bar B3, by rotating screw thread, Realize hanger bar pattern length, pass through change hanger bar pattern length, thus it is possible to vary crucible cover 4 apart from crucible 5 be open away from From use that can be more flexible.

Embodiment 7: being the structural schematic diagram of the utility model embodiment 7, present embodiment discloses one referring to Fig. 8~10 Kind KY method Sapphire Crystal Growth device, including furnace body 6, crucible 5, suspension mechanism, upper screen support chip 7-1, crucible cover 4 and bell 8, furnace body top is equipped with opening, and bell can cover the opening closed in furnace body, and furnace body inner cavity is formed to the cavity of opposing seal, institute Crucible is stated to be placed in cavity, the upper screen support chip is located between crucible and bell, the crucible cover be located at screen support chip and Between crucible, upper screen support chip is equipped with through-hole, and the suspension mechanism is in the shape of a rod, strip or column, and the suspension mechanism can Across the through-hole of upper screen support chip, one end of which is fixed on crucible cover, the other end passes through bell and is placed in furnace body lumen outer, described Suspension mechanism is placed in one end outside furnace body equipped with blocking mechanism, can stop or prevent suspension mechanism from falling into furnace body Chamber, and by lifting suspension mechanism, crucible cover can be driven to move up and down, to change the distance between crucible cover and crucible, The crucible cover 4 includes lid 4-1, lid eaves 4-2 and nut cap 4-3, and lid 4-1 is annular in shape, and the surface lid 4-1 is equipped with through-hole, should Through-hole is hole for hoist 4-5, lid eaves 4-2 cylindrical tubulose or tubaeform tubulose, an open end and the lid of the lid eaves 4-2 The outer circle of body 4-1 connects, and the other end is free end and extends to 5 direction of crucible, and for nut cap 4-3 in horn-like, nut cap 4-3 is biggish Open end is connect with the inner circle of lid 4-1, and the aperture 4-4 of the other end is free end and extends to the opposite direction of crucible 5, i.e. lid eaves The two sides of plane where 4-2 and nut cap 4-3 is respectively provided at lid 4-1；The suspension mechanism can be connected on crucible cover 4, and Crucible cover 4 is suspended on the top that crucible 5 is open by suspension mechanism in working condition, and it is non-for keeping crucible cover 4 and crucible Contact condition.

Embodiment 8: compared with Example 7, the difference of the present embodiment is, the suspension mechanism being placed in outside furnace body is equipped with The size of pressure cap, pressure cap is beaten than the pore size on bell, and pressure cap can be stuck on the outside of bell, and between suspension mechanism and bell Equipped with sealing device, it is equipped with water-cooled copper on the outside of sealing device, is cooled down to sealing device.

When lifting suspension mechanism, in order to fix the position of suspension mechanism, cushion block can be set, the effect of cushion block is that pad is being pressed Between cap and bell, the distance between crucible cover and crucible can be changed immediately in process of production, use is more flexible.

Embodiment 9: compared with Example 7, the difference of the present embodiment is, is threadedly coupled between suspension mechanism and bell, And it is additionally provided with sealing device between suspension mechanism and bell, water-cooled copper is equipped on the outside of sealing device, cools down to sealing device.

When production, it can be used in production status by the distance between pivoting hitch mechanism realization crucible cover and crucible It is more flexible convenient.

Above-described is only the utility model/utility model preferred embodiment, it is noted that for this field For those of ordinary skill, without departing from the concept of the present invention, several changes and improvements can also be made, These are all within the protection scope of the present invention.

Claims (10)

1. a kind of KY method Sapphire Crystal Growth device includes at least crucible (5), suspension mechanism and crucible cover (4),

It is characterized in that, the crucible cover (4) includes lid (4-1), lid eaves (4-2) and nut cap (4-3),

Annularly, the lid surface (4-1) is equipped with through-hole to lid (4-1), which is hole for hoist (4-5),

Lid eaves (4-2) cylindrical tubulose or tubaeform tubulose, an open end and lid (4-1) of the lid eaves (4-2) Outer circle connection, the other end be free end and to crucible (5) direction extend,

Nut cap (4-3) is in horn-like, and the biggish open end nut cap (4-3) is connect with the inner circle of lid (4-1), the aperture of the other end (4-4) is free end and extends to the opposite direction of crucible (5),

That is lid eaves (4-2) and nut cap (4-3) two sides that are respectively provided at plane where lid (4-1)；

The suspension mechanism can be connected on crucible cover (4), and hang crucible cover (4) by suspension mechanism in working condition In the top of crucible (5) opening.

2. KY method Sapphire Crystal Growth device as described in claim 1, which is characterized in that screen support chip (7) are additionally provided with, Upper screen support chip (7) is located at the top of crucible (5) opening, and crucible cover (4) is located between crucible (5) and upper screen support chip (7),

The suspension mechanism includes hanger bar A (1) and hanger bar B (3), and hanger bar A (1) and hanger bar B (3) are in the shape of a rod, and It is mutually threadedly coupled, one end of the hanger bar A (1) is connected on screen support chip (7), and one end of hanger bar B (3) is connected to On hole for hoist (4-5).

3. KY method Sapphire Crystal Growth device as claimed in claim 2, which is characterized in that hanger bar B (3) passes through hole for hoist (4-5) is separately fixed at the two sides lid (4-1) by bolt, is fixed；

Alternatively, the connecting pin of hanger bar B (3) and lid (4-1) are equipped with block (3-1), the size of block (3-1) compares hole for hoist (4-5) greatly, when hanging lid (4-1), lid (4-1) is supported on block (3-1), prevents lid (4-1) from hanger bar B (3) Upper landing.

4. KY method Sapphire Crystal Growth device as claimed in claim 3, which is characterized in that block (3-1) is equipped with limit Bar (3-2), the lid (4-1) are equipped with limit hole, when lid (4-1) is supported on block (3-1), the gag lever post (3-2) Limit hole can be passed through, to prevent hanger bar B (3) from axially rotating.

5. KY method Sapphire Crystal Growth device as described in claim 1, which is characterized in that

It is additionally provided with bell (8) and furnace body (6), bell (8) is equipped with hole, and crucible (5) is placed in furnace body (6), and bell (8) can cover Opening in furnace body (6),

The suspension mechanism includes hanger bar B (3), and one end of hanger bar B (3) can be connected on crucible cover (4), the other end from It is pierced by the hole of bell (8), and hanger bar B (3) is placed in one end on the outside of bell equipped with pressure cap (9), the size of pressure cap (9) is big In the size perforated on bell (8), sealing ring (10) are equipped at the hole of the hanger bar B (3) and bell (8), and are equipped with water cooling Copper pipe (12) cools down to sealing ring (10), and the hanger bar B (3) is able to drive crucible cover (4) up and down motion.

6. KY method Sapphire Crystal Growth device as claimed in claim 5, which is characterized in that be equipped with cushion block, hanger bar B (3) When moving upwards, cushion block is placed between pressure cap (9) and bell (8) and carries out displacement fixation.

7. KY method Sapphire Crystal Growth device as claimed in claim 6, which is characterized in that the hanger bar B (3) and bell (8) it is connected through a screw thread between, drives crucible cover (4) to move up and down by rotation hanger bar B (3).

8. the KY method Sapphire Crystal Growth device as described in claim 5,6 or 7, which is characterized in that hanger bar B (3) and lid The connecting pin of body (4-1) be equipped with block (3-1), the size of block (3-1) greatly than hole for hoist (4-5), hang lid (4-1) when, Lid (4-1) is supported on block (3-1), prevents lid (4-1) from sliding from hanger bar B (3).

9. a kind of KY method Sapphire Crystal Growth suspension type crucible cover for adjusting height immediately, which is characterized in that

Comprising lid (4-1), lid eaves (4-2) and nut cap (4-3),

Annularly, the lid surface (4-1) is equipped with through-hole to the lid (4-1), which is hole for hoist (4-5),

The cylindrical tubulose of the lid eaves (4-2) or tubaeform tubulose, an open end of the lid eaves (4-2) and lid The outer circle of (4-1) connects, and the other end is free end,

The nut cap (4-3) is in horn-like, and the biggish open end nut cap (4-3) is connect with the inner circle of lid (4-1), and the other end is The two sides of plane where free end, the lid eaves (4-2) and nut cap (4-3) are respectively provided at lid (4-1).

10. the KY method Sapphire Crystal Growth as claimed in claim 9 suspension type crucible cover for adjusting height immediately, feature It is, be additionally provided with suspension mechanism, the suspension mechanism includes hanger bar A (1) and hanger bar B (3), hanger bar A (1) and hanger bar B (3) is in the shape of a rod, and is mutually threadedly coupled, and one end of the hanger bar A (1) is connected to the fixing end of upper end, hanger bar B (3) One end be connected on hole for hoist (4-5).