CN206706250U - Seedholder and crystal growth equipment - Google Patents
Seedholder and crystal growth equipment Download PDFInfo
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- CN206706250U CN206706250U CN201720234579.7U CN201720234579U CN206706250U CN 206706250 U CN206706250 U CN 206706250U CN 201720234579 U CN201720234579 U CN 201720234579U CN 206706250 U CN206706250 U CN 206706250U
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- Prior art keywords
- seed crystal
- attachment structure
- supporting rod
- seedholder
- fastener
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Abstract
The utility model provides a kind of seedholder and crystal growth equipment, it is related to kyropoulos and manufactures sapphire technical field, the seedholder includes seed crystal supporting rod and bindiny mechanism, seed crystal supporting rod is socketed with bindiny mechanism, and there is certain gap between seed crystal supporting rod and the inwall of bindiny mechanism, so that seed crystal supporting rod can be swung relative to bindiny mechanism, so as to discharge the cross force that crystal applies to seed crystal supporting rod, seed crystal is prevented to be broken or connect rod bending.
Description
Technical field
It the utility model is related to kyropoulos and manufacture sapphire technical field, more particularly, to a kind of seedholder and crystalline substance
Body growth apparatus.
Background technology
Sapphire crystal (being commonly called as corundum) has high optical transmittance, also with high mechanical properties, extremely low absorption system
Number, high temperature refractoriness, good chemical stability, is excellent laser host material, is various optical elements and infrared military affairs
Device, satellite spatial technology, the window material of high intensity laser beam.At present, sapphire growing method mainly has czochralski method, reverse mould
Method, kyropoulos, heat-exchanging method etc..Wherein kyropoulos growing system possesses the optimum temperature gradation of suitable sapphire product body growth.
During the growth or at the end of, crystal does not contact with crucible, greatly reduces its stress, can obtain the big crystalline substance of high quality
Body, it is the main stream approach of current sapphire crystal growth.
Sapphire is produced using kyropoulos, raw material is first melted to the molten soup of formation after crucible is heated to fusing point, recycles seed
After brilliant clamper fixes seed crystal, seed crystal is extend into crucible until touching molten soup surface, in seed crystal and solid-liquid circle of molten soup
Start the sapphire single-crystal of growth and seed crystal same crystal structure on face.
Only it is connected through a screw thread between connecting rod on seedholder and seeded growth equipment, when in crystal growing process
Crystal is shifted phenomenon, and crystal and seed crystal can be caused to misalign the phenomenon of the heart, so as to which seed crystal supporting rod can be by the horizontal stroke of crystal
Effect to power, it is easy to the abnormal conditions such as seed crystal fracture or connection rod bending occur, so as to cause production to fail, waste into
This.
Utility model content
The purpose of this utility model is to provide a kind of seedholder and crystal growth equipment, to solve existing seed chuck
After crystal and seed crystal misalign the heart, seed crystal supporting rod can be acted on holder by the cross force of crystal, it is easy to seed crystal occurs
The abnormal conditions such as fracture or connection rod bending, so as to cause production to fail, the technical problem of cost of idleness.
Seedholder provided by the utility model, including seed crystal supporting rod and bindiny mechanism, the seed crystal supporting rod bag
Linkage section is included, the end set of the linkage section has the first attachment structure, and the seed crystal supporting rod is along its length to described
The projection of first attachment structure falls in first attachment structure；
The bindiny mechanism includes the second attachment structure, and second attachment structure includes diameter from inside to outside and is gradually reduced
Hole slot, the linkage section of the seed crystal supporting rod is socketed with the hole slot, and the bar wall of the linkage section and the hole slot inwall
Between be provided with fastener, the fastener includes sleeve end and Taper Pipe end, and the end face at described sleeve pipe end is used to propping up described the
One attachment structure, the outer wall at the Taper Pipe end is in the conical surface, for being offseted with the inwall of the hole slot, and the maximum of the fastener
External diameter is more than the hole slot opening diameter, prevents the seed crystal supporting rod from departing from second attachment structure；
There is lateral clearance, the linkage section and the second attachment structure set between the outer wall and hole slot inwall at described sleeve pipe end
After connecing, the inner side of first attachment structure has vertical gap, and the lateral clearance and vertical gap are used for the seed crystal
Supporting rod provides swing space.
Further, the fastener includes the first clamping unit and the second clamping unit, first clamping unit and
Second clamping unit is used for the bar wall for being clamped in the seed crystal supporting rod linkage section.
Further, it is correspondingly arranged on the binding face of first clamping unit and the second clamping unit raised and recessed
Groove, after the projection combines with groove, ensure first clamping unit and the second clamping unit in the fastener length side
There is identical motion state upwards.
Further, along the fastener length direction, the oriented Taper Pipe end is set to open on the outer wall of the fastener
The fluting of mouth direction extension.
Further, the bindiny mechanism includes the 3rd attachment structure, and the 3rd attachment structure is used for and crystal growth
Connecting rod connection in equipment, sets finite place piece between the 3rd attachment structure and fastener, the locating part is used to hinder
Only the connecting rod on the crystal growth equipment is entered in the vertical gap.
Further, the locating part is the position-limiting tube with the socket of the first attachment structure.
Further, seed crystal supporting rod includes seed crystal neck, and first is correspondingly arranged in the seed crystal neck opposed inner walls
Fixed structure, the first fixed structure are used to tangle seed crystal.
Further, face of the first fixed structure inside the seed crystal supporting rod is inclined-plane, from the connection
To the seed crystal neck direction, the distance between two described inclined-planes are gradually reduced for mechanism.
Further, it is provided with winding slot on the outer wall of the seed crystal neck.
The crystal growth equipment that the utility model provides, including above-mentioned seedholder.
Seedholder provided by the utility model, including seed crystal supporting rod and bindiny mechanism, seed crystal supporting rod can lead to
The connecting rod for crossing bindiny mechanism and crystal growth equipment links together.The seed crystal supporting rod includes linkage section, the connection
The end set of section has the first attachment structure, the seed crystal supporting rod projection to first attachment structure along its length
Fall in first attachment structure, seed chuck can be made to hold bar and be stuck in by the first attachment structure in bindiny mechanism.The company
Connection mechanism includes the second attachment structure, and second attachment structure includes the hole slot that diameter is gradually reduced from inside to outside, the seed
The linkage section of brilliant supporting rod is socketed with the hole slot, and is provided with fastening between the bar wall of the linkage section and the hole slot inwall
Part, fastener are used to seed crystal supporting rod being fixed in hole slot.The fastener includes sleeve end and Taper Pipe end, described sleeve pipe end
End face be used for prop up first attachment structure, the outer wall at the Taper Pipe end is in the conical surface, for the inwall phase with the hole slot
Support, and the maximum outside diameter of the fastener is more than the hole slot opening diameter.Between the outer wall and hole slot inwall at described sleeve pipe end
With lateral clearance, after the linkage section and the socket of the second attachment structure, the inner side of first attachment structure have it is vertical between
Gap.When the seed crystal that the lower end of seed crystal supporting rod is hung starts growth, it may occur that crystal and seed crystal misalign heart phenomenon, make
Thrust into seed crystal supporting rod by horizontal direction.At this moment, linkage section drives bindiny mechanism to be slided obliquely in hole slot, can be with
Seed crystal supporting rod is swung within the specific limits, by the change of seed crystal supporting rod relative position, crystal is applied to seed
Cross force release on brilliant supporting rod, prevents seed crystal to be broken or connect rod bending.
The crystal growth equipment that the utility model provides, including above-mentioned seedholder.When under seed crystal supporting rod
When the seed crystal of end suspension starts growth, it may occur that crystal and seed crystal misalign heart phenomenon, cause seed crystal supporting rod by water
Square to thrust.At this moment, linkage section drives bindiny mechanism to be slided obliquely in hole slot, and seed chuck can be made to hold bar certain
In the range of swing, by the change of seed crystal supporting rod relative position, crystal is applied to the cross force on seed crystal supporting rod
Release, seed crystal is prevented to be broken or connect rod bending.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram for the seedholder that the utility model embodiment provides；
Fig. 2 is the quick-fried according to figure of the seedholder that the utility model embodiment provides；
Fig. 3 is the profile for the seedholder that the utility model embodiment provides；
Fig. 4 is the schematic diagram of the fastener for the seedholder that the utility model embodiment provides；
Fig. 5 is the schematic diagram of the first clamping unit of the seedholder that the utility model embodiment provides；
Fig. 6 is the profile for the seedholder another kind seed crystal neck that the utility model embodiment provides.
Icon：100- seed crystal supporting rods；The attachment structures of 110- first；200- bindiny mechanisms；300- fasteners；310- first
Clamping unit；The clamping units of 320- second；330- sleeve ends；340- Taper Pipes end；350- slots；400- lateral clearances；500- is erected
To gap；600- position-limiting tubes；700- seed crystal necks；710- first fixed structures；The fixed structures of 720- second.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
As Figure 1-3, seedholder provided by the utility model, including seed crystal supporting rod 100 and bindiny mechanism
200, seed crystal supporting rod 100 can be linked together by bindiny mechanism 200 and the connecting rod of crystal growth equipment.The seed crystal
Supporting rod 100 includes linkage section, and the end set of the linkage section has the first attachment structure 110, the edge of seed crystal supporting rod 100
Projection of its length direction to first attachment structure 110 falls in first attachment structure 110, can hold seed chuck
Bar 100 is stuck in bindiny mechanism 200 by the first attachment structure 110.The bindiny mechanism 200 includes the second attachment structure, institute
Stating the second attachment structure includes diameter is gradually reduced from inside to outside hole slot, the linkage section of the seed crystal supporting rod 100 with it is described
Hole slot is socketed, and fastener 300 is provided between the bar wall of the linkage section and the hole slot inwall, and fastener 300 is used for will
Seed crystal supporting rod 100 is fixed in hole slot.The fastener 300 includes sleeve end 330 and Taper Pipe end 340, described sleeve pipe end 330
End face be used for prop up first attachment structure 110, the outer wall at the Taper Pipe end 340 is in the conical surface, for the hole slot
Inwall offsets, and the maximum outside diameter of the fastener 300 is more than the hole slot opening diameter.The outer wall at described sleeve pipe end 330 with
After there is lateral clearance 400, the linkage section and the second attachment structure to be socketed between hole slot inwall, first attachment structure
110 inner side has vertical gap 500.When the seed crystal that the lower end of seed crystal supporting rod 100 is hung starts growth, the liquid of melting
The skew of (2045 degree of high temperature) cold heart, or when the reason such as other thermal fields causes the crystal growth to shift, in crystal and seed crystal
The heart may not cause thrust of the seed crystal supporting rod 100 by horizontal direction on a position.At this moment, linkage section, which drives, connects
Connection mechanism 200 is slided obliquely in hole slot, and seed chuck can be made to hold bar 100 and swung within the specific limits, pass through seed crystal
The change of the relative position of supporting rod 100, cross force crystal being applied on seed crystal supporting rod 100 discharge, and prevent seed crystal to be broken
Or connection rod bending.
Preferably, as shown in figure 4, the fastener 300 includes the first clamping unit 310 and the second clamping unit 320.Seed
Brilliant supporting rod 100 is detachably connected with bindiny mechanism 200, and the linkage section of seed crystal supporting rod 100 can be from the opening of hole slot
It extend into hole slot, then additionally stretches out a part of seed crystal supporting rod 100, in the other end of hole slot, by the He of the first clamping unit 310
Second clamping unit 320 is clamped on the bar wall of linkage section, pulls downward on seed crystal supporting rod 100, the first attachment structure 110 card master
The upper surface of fastener 300, fastener 300 is driven to enter in hole slot, connection is very convenient.
As shown in figure 5, it is correspondingly arranged on the binding face of the clamping unit 320 of the first clamping unit 310 and second convex
Rise and groove, after the first clamping unit 310 and the second clamping unit 320 are bonded, protrude out into groove, in fastener
On 300 length directions, the two has identical motion state, and the two together can enter hole slot with seed crystal supporting rod 100
It is interior, prevent after fastener 300 enters hole slot, the first clamping unit 310 and the vertical height of the second clamping unit 320 are not
Together.
Preferably, along the length direction of fastener 300, the oriented Taper Pipe is set on the outer wall of the fastener 300
The fluting 350 for holding 340 opening directions to extend.Because the growth of seed crystal is carried out at high temperature under high pressure, and in growth course
One attachment structure 110 is pressed down against fastener 300, by being provided with fluting 350 on fastener 300, can cause fastener
300 after by external force, and certain deformation can be produced in default scope, absorbs it at some by partial deformation
The external force being subject on point, prevent from causing structural break damaged because external force can not discharge.
The bindiny mechanism 200 includes the 3rd attachment structure, and the 3rd attachment structure is used for and crystal growth equipment
Connecting rod connection, the 3rd attachment structure can be threaded connection, be provided between the 3rd attachment structure and fastener 300
Locating part, when the connecting rod of attachment structure and crystal growth equipment is connected, if connecting rod is screwed into bindiny mechanism 200
Connection pole length it is long, it will occupy the vertical gap of part, so easily cause seed crystal supporting rod 100 first connection
Structure 110 is offseted with connecting rod, and seed crystal supporting rod 100 can not be made persistently to be moved in hole slot.
Preferably, the locating part is the position-limiting tube 600 with the socket of the first attachment structure 110.One end of position-limiting tube 600 is supported
On the end face of fastener 300, the length of position-limiting tube 600 is more than the height of the first attachment structure 110, so as to ensure that seed crystal clamps
Bar 100 can be realized in position-limiting tube 600 and moved up and down.
Preferably, seed crystal supporting rod 100 includes seed crystal neck 700, is correspondingly arranged in the opposed inner walls of seed crystal neck 700
There is first fixed structure 710, the first fixed structure 710 is used to tangle seed crystal.First fixed structure 710 can be relative sets
Two projections put, projection serve fixation to seed crystal.
As shown in fig. 6, face of the first fixed structure 710 inside the seed crystal supporting rod 100 can be inclined-plane,
From the bindiny mechanism 200 to the direction of seed crystal neck 700, the distance between two described inclined-planes are gradually reduced.In crystal
Growth course in, two inclined-planes serve main suspension effect to crystal.Compared with the plane of routine, inclined-plane increase is set
The contact area of seed crystal and first fixed structure 710, fixed effect are more preferable.
Multipair second fixed structure 720, the second fixed structure are also provided with the lower section of first fixed structure 710
720 can be boss, because in the growth course of crystal, two inclined-planes serve main suspension effect, the portion to crystal
The crystal divided and the maximum that influences each other of cercis neck diameter, so this part is easiest to fracture, and the second fixed knot
Structure 720 can play fixed effect, prevent crystal from dropping into crucible.
Winding slot is provided with the outer wall of the seed crystal neck 700, after seed crystal is placed on into seed crystal neck 700, uses tungsten filament
Line winds winding slot, by seed crystal bundled fixed in seed crystal neck 700, prevents seed crystal from dropping in crucible.
In the lateral opening of seed crystal neck 700, a plane is offered vertically, in order to increase contact of the tungsten filament with seed crystal
Area, so as to reach fixed seed crystal effect superior technique effect.
The quantity of the winding slot can be multiple, repeatedly wind so as to reach the purpose of increase fixed effect.
Along the axial direction of the seed crystal neck 700, the winding slot can be helical form.Can be by seed by tungsten filament line
Crystalline substance is fixed in seed crystal neck 700, eliminates repeatedly fixed trouble.
In summary, seedholder provided by the utility model, including seed crystal supporting rod 100 and bindiny mechanism 200, seed
Brilliant supporting rod 100 can be linked together by bindiny mechanism 200 and the connecting rod of crystal growth equipment.The seed crystal supporting rod
100 include linkage section, and the end set of the linkage section has the first attachment structure 110, and the seed crystal supporting rod 100 is along its length
Projection of the direction to first attachment structure 110 falls in first attachment structure 110, and seed chuck can be made to hold bar 100
It is stuck in by the first attachment structure 110 in bindiny mechanism 200.The bindiny mechanism 200 includes the second attachment structure, and described
Two attachment structures include the hole slot that diameter is gradually reduced from inside to outside, linkage section and the hole slot of the seed crystal supporting rod 100
Socket, and fastener 300 is provided between the bar wall of the linkage section and the hole slot inwall, fastener 300 is used for seed crystal
Supporting rod 100 is fixed in hole slot.The fastener 300 includes sleeve end 330 and Taper Pipe end 340, the end at described sleeve pipe end 330
Face is used to prop up first attachment structure 110, and the outer wall at the Taper Pipe end 340 is in the conical surface, for the inwall with the hole slot
Offset, and the maximum outside diameter of the fastener 300 is more than the hole slot opening diameter.The outer wall and hole slot at described sleeve pipe end 330
After there is lateral clearance 400, the linkage section and the second attachment structure to be socketed between inwall, first attachment structure 110
Inner side has vertical gap 500.When the seed crystal that the lower end of seed crystal supporting rod 100 is hung starts growth, the liquid (2045 of melting
The high temperature of degree) skew of the cold heart, or when the reason such as other thermal fields causes the crystal growth to shift, crystal and seed crystal center may
Thrust of the seed crystal supporting rod 100 by horizontal direction can be caused not on a position.At this moment, linkage section drives bindiny mechanism
200 are slided obliquely in hole slot, and seed chuck can be made to hold bar 100 and swung within the specific limits, pass through seed crystal supporting rod
The change of 100 relative positions, cross force crystal being applied on seed crystal supporting rod 100 discharge, and prevent seed crystal to be broken or connect
Extension bar is bent.
The crystal growth equipment that the utility model provides, including above-mentioned seedholder.When seed crystal supporting rod 100
Lower end suspension seed crystal start growth when, it may occur that crystal and seed crystal misalign heart phenomenon, cause seed crystal supporting rod 100 by
To the thrust of horizontal direction.At this moment, linkage section drives bindiny mechanism 200 to be slided obliquely in hole slot, can hold seed chuck
Bar 100 is swung within the specific limits, and by the change of the relative position of seed crystal supporting rod 100, crystal is applied into seed chuck
The cross force release on bar 100 is held, prevents seed crystal to be broken or connect rod bending.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of seedholder, it is characterised in that including seed crystal supporting rod and bindiny mechanism, the seed crystal supporting rod includes connecting
Section is connect, the end set of the linkage section has the first attachment structure, and the seed crystal supporting rod is along its length to described first
The projection of attachment structure falls in first attachment structure；
The bindiny mechanism includes the second attachment structure, and second attachment structure includes the hole that diameter is gradually reduced from inside to outside
Groove, linkage section and the hole slot of the seed crystal supporting rod are socketed, and between the bar wall of the linkage section and the hole slot inwall
Fastener is provided with, the fastener includes sleeve end and Taper Pipe end, and the end face at described sleeve pipe end is used to prop up first company
Binding structure, the outer wall at the Taper Pipe end is in the conical surface, for being offseted with the inwall of the hole slot, and the maximum outside diameter of the fastener
More than the hole slot opening diameter, prevent the seed crystal supporting rod from departing from second attachment structure；
There is lateral clearance, the linkage section and the second attachment structure are socketed between the outer wall and hole slot inwall at described sleeve pipe end
Afterwards, the inner side of first attachment structure has vertical gap, and the lateral clearance and vertical gap are used for the seed chuck
Hold bar and swing space is provided.
2. seedholder according to claim 1, it is characterised in that the fastener includes the first clamping unit and the
Two clamping units, first clamping unit and the second clamping unit are used for the bar wall for being clamped in the seed crystal supporting rod linkage section
On.
3. seedholder according to claim 2, it is characterised in that first clamping unit and the second clamping unit
Binding face on be correspondingly arranged on raised and groove, after projection combines with groove, guarantee first clamping unit and the
Two clamping units have identical motion state on the fastener length direction.
4. seedholder according to claim 2, it is characterised in that along the fastener length direction, the fastening
The fluting of the oriented Taper Pipe end opening direction extension is set on the outer wall of part.
5. seedholder according to claim 1, it is characterised in that the bindiny mechanism includes the 3rd attachment structure,
3rd attachment structure is used to be connected with the connecting rod on crystal growth equipment, between the 3rd attachment structure and fastener
Finite place piece is set, and the locating part is used to prevent the connecting rod on the crystal growth equipment from entering the vertical gap
It is interior.
6. seedholder according to claim 5, it is characterised in that the locating part is to be socketed with the first attachment structure
Position-limiting tube.
7. seedholder according to claim 1, it is characterised in that seed crystal supporting rod includes seed crystal neck, the seed
First fixed structure is correspondingly arranged in brilliant neck opposed inner walls, the first fixed structure is used to tangle seed crystal.
8. seedholder according to claim 7, it is characterised in that the first fixed structure is close to the seed chuck
It is inclined-plane to hold the face inside bar, from the bindiny mechanism to the seed crystal neck direction, the distance between two described inclined-planes by
It is decrescence small.
9. seedholder according to claim 7, it is characterised in that be provided with coiling on the outer wall of the seed crystal neck
Groove.
10. a kind of crystal growth equipment, it is characterised in that including the seedholder described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234579.7U CN206706250U (en) | 2017-03-09 | 2017-03-09 | Seedholder and crystal growth equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234579.7U CN206706250U (en) | 2017-03-09 | 2017-03-09 | Seedholder and crystal growth equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206706250U true CN206706250U (en) | 2017-12-05 |
Family
ID=60469841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720234579.7U Expired - Fee Related CN206706250U (en) | 2017-03-09 | 2017-03-09 | Seedholder and crystal growth equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206706250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122912A (en) * | 2021-04-25 | 2021-07-16 | 弘元新材料(包头)有限公司 | Large-size silicon single crystal furnace pressure-changing and shoulder-setting survival rate improving device |
-
2017
- 2017-03-09 CN CN201720234579.7U patent/CN206706250U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122912A (en) * | 2021-04-25 | 2021-07-16 | 弘元新材料(包头)有限公司 | Large-size silicon single crystal furnace pressure-changing and shoulder-setting survival rate improving device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |