CN102425004B - Crystal growth monitoring device - Google Patents
Crystal growth monitoring device Download PDFInfo
- Publication number
- CN102425004B CN102425004B CN 201110445402 CN201110445402A CN102425004B CN 102425004 B CN102425004 B CN 102425004B CN 201110445402 CN201110445402 CN 201110445402 CN 201110445402 A CN201110445402 A CN 201110445402A CN 102425004 B CN102425004 B CN 102425004B
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- China
- Prior art keywords
- support
- pedestal
- lift shaft
- crystal
- drive sleeve
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Abstract
The invention discloses a crystal growth monitoring device able to monitor crystal quality change automatically. The device comprises a support, a lift shaft positioned inside the support, and a weighing sensor disposed at the top inside the support. The lower end of the weighing sensor is fixedly provided with a pedestal, inside which a driven hoisting instrument is rotatably installed. The upper end of the driven hoisting instrument is positioned inside the pedestal, while the lower end stretches out of the pedestal. The upper end of the lift shaft is fixedly mounted inside the lower end of the driven hoisting instrument. The lift shaft is sleeved with a driving sleeve, the upper end of which is located at the outside of the lower end of the driven hoisting instrument and is connected to the lower end of the driven hoisting instrument through elastic equipment. The lower end of the driving sleeve passes through the support and is in connection with a driving unit that is positioned outside the support and used for driving the driving sleeve to rotate. The crystal growth control device with the above structure can automatically monitor quality change during crystal growth, and the rotation as well as up and down movements of a crystal have no influence on the monitoring effect.
Description
Technical field
The present invention relates to a kind of crystal growth monitoring device.
Background technology
The application of crystal in our daily life is more and more extensive, and most of crystal all is synthetic.The making method of existing crystal mostly adopts crystal pulling method, quality in order to ensure crystal, need the various conditions of control crystal in process of growth, and the prerequisite of regulation and control crystal growth condition is exactly by checking that crystal variation of weight in process of growth judges whether to need to change crystal growth condition.Original method all is to judge the growing state of crystal by the vary in diameter of manual observation crystal, because the crystal in the crystal pulling method needs rotation and moves up and down simultaneously, this just requires very high to testing staff's eyesight, but crystal move up and down and the situation of rotating under, the testing staff still be difficult to judge the vary in diameter of crystal, and it is dizzy to be easy to be that the testing staff occurs.The crystal of producing so just is difficult to guarantee its quality.
Summary of the invention
Technical problem to be solved by this invention is: the crystal growth monitoring device that provides a kind of automatic monitoring crystal mass to change.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of crystal growth monitoring device, comprise support and be arranged on the interior lift shaft of support, the top is provided with LOAD CELLS in the support, the lower end of described LOAD CELLS is fixedly installed pedestal, rotate in the pedestal and be provided with driven hanging apparatus, the upper end of driven hanging apparatus is positioned at pedestal, pedestal is stretched out in its lower end, the upper end of lift shaft is fixedly installed in the driven hanging apparatus lower end, be arranged with drive sleeve on the lift shaft, and the upper end of drive sleeve is positioned at the outside, driven hanging apparatus lower end, and be connected by elastic device between the upper end of drive sleeve and the lower end of driven hanging apparatus, the lower end of drive sleeve passes from support and links to each other in the drive unit that the driving drive sleeve that is positioned at the support outside is rotated, and the lower end of lift shaft also passes in support.
Described elastic device is annular gasket.
On the described annular gasket along offering several roughly Y-shaped holes on its circumferential direction, three sections of this hole are all curved, and all concentric with annular gasket, away from the radian of the segmental arc in the hole in the center of circle greater than near excessively semicircle between the radian of the segmental arc in the hole in the center of circle and this two segmental arc.
On the described annular gasket along offering three roughly Y-shaped holes on its circumferential direction.
Described driven hanging apparatus comprises that rotating the weak point that the minor axis in the pedestal is set and links to each other with minor axis overlaps, and short cover is positioned at the pedestal downside.
The invention has the beneficial effects as follows: the crystal production control device of said structure can be monitored the crystal quality change in when growth automatically, and the rotation of crystal and do not move up and down and can affect its monitoring effect.
Description of drawings
Fig. 1 is the structural representation of a kind of crystal growth monitoring device of the present invention;
Fig. 2 is the structure iron of annular gasket among Fig. 1.
Among the figure: 1, support, 2, lift shaft, 3, LOAD CELLS, 4, pedestal, 5, minor axis, 6, short cover, 7, drive sleeve, 8, annular gasket, 9, the hole.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As shown in Figure 1, a kind of crystal growth monitoring device of the present invention, comprise that support 1 and the lift shaft 2, the support 1 interior top that are arranged in the support 1 are provided with LOAD CELLS 3, the lower end of described LOAD CELLS 3 is fixedly installed pedestal 4, and pedestal 4 interior rotations are provided with driven hanging apparatus.Driven hanging apparatus comprises that rotating the weak point that the minor axis 5 in the pedestal 4 is set and links to each other with minor axis by bearing overlaps 6, and short cover 6 is positioned at pedestal 4 downsides.When actual production, minor axis 5 also can be one-body molded with weak point cover 6.The upper end of lift shaft 2 is fixedly installed in the short cover 6.Be arranged with drive sleeve 7 on the lift shaft 2, and the upper end of drive sleeve 7 is positioned at short cover 6 outsides.Because crystal growth monitoring device of the present invention when mounted, drive sleeve 7 and short cover 6 have small skew in vertical direction, and installation dimension fixes, and are offset the impact that brings so link to each other to offset by elastic device between the upper end of drive sleeve 7 and the short cover 6.As shown in Figure 2, elastic device can be annular gasket 8.The preglabellar field of annular gasket 8 is fixedly connected with the outer wall of short cover 6, and the outward flange of annular gasket 8 is fixedly connected with the inwall of drive sleeve 7.On the described annular gasket 8 along offering several roughly Y-shaped holes 9 on its circumferential direction, three sections of this hole 9 are all curved, and all concentric with annular gasket 8, away from the radian of the segmental arc in the hole 9 in the center of circle greater than near excessively semicircle between the radian of the segmental arc in the hole 9 in the center of circle and this two segmental arc.When actual production, the quantity in hole 9 can be set according to actual requirement.The drive unit (because of prior art, not shown) that the lower end of drive sleeve 7 passes from support 1 and rotates in the driven drive sleeve 7 that is positioned at support 1 outside links to each other, and the lower end of lift shaft 2 also passes in support 1.
Working process of the present invention is: because in crystal pulling method and rotational method, crystal needs rotation and moves up and down in the process of crystallization, so utilizing drive unit to drive drive sleeve 7 rotates, drive sleeve 7 drives short cover 6 by annular gasket 8 and rotates, short cover 6 drives minor axis 5 again in pedestal 4 interior rotations, and LOAD CELLS 3 is not affected by the rotation of minor axis 5 when measuring crystal weight.Simultaneously, short cover 6 also drives lift shaft 2 and rotates, and along with the rotation of lift shaft 2, the crystal that hangs over lift shaft 2 lower ends also begins to rotate.Moving up and down then by moving up and down crystal growth monitoring device and drive unit is realized of crystal.In the above-mentioned working process, LOAD CELLS 3 is unaffected, can well monitor the changes in weight of crystal, thereby provides a good reference to crystallization condition.
Claims (1)
1. crystal growth monitoring device, comprise support and be arranged on the interior lift shaft of support, the top is provided with LOAD CELLS in the support, it is characterized in that: the lower end of described LOAD CELLS is fixedly installed pedestal, rotate in the pedestal and be provided with driven hanging apparatus, the upper end of driven hanging apparatus is positioned at pedestal, pedestal is stretched out in its lower end, the upper end of lift shaft is fixedly installed in the driven hanging apparatus lower end, be arranged with drive sleeve on the lift shaft, and the upper end of drive sleeve is positioned at the outside, driven hanging apparatus lower end, and be connected by elastic device between the upper end of drive sleeve and the lower end of driven hanging apparatus, the lower end of drive sleeve passes from support and links to each other in the drive unit that the driving drive sleeve that is positioned at the support outside is rotated, the lower end of lift shaft also passes in support, described elastic device is annular gasket, on the described annular gasket along offering three roughly Y-shaped holes on its circumferential direction, three sections of this hole are all curved, and all concentric with annular gasket, away from the radian of the segmental arc in the hole in the center of circle greater than near excessively semicircle between the radian of the segmental arc in the hole in the center of circle and this two segmental arc, described driven hanging apparatus comprises that rotating the weak point that the minor axis in the pedestal is set and links to each other with minor axis overlaps, and short cover is positioned at the pedestal downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110445402 CN102425004B (en) | 2011-12-28 | 2011-12-28 | Crystal growth monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110445402 CN102425004B (en) | 2011-12-28 | 2011-12-28 | Crystal growth monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102425004A CN102425004A (en) | 2012-04-25 |
| CN102425004B true CN102425004B (en) | 2013-02-13 |
Family
ID=45959030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110445402 Expired - Fee Related CN102425004B (en) | 2011-12-28 | 2011-12-28 | Crystal growth monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102425004B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202380129U (en) * | 2011-12-28 | 2012-08-15 | 苏州优晶光电科技有限公司 | Crystal growth monitoring device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121187A (en) * | 1982-12-28 | 1984-07-13 | Gakei Denki Seisakusho:Kk | Apparatus for pulling single crystal of compound semiconductor |
| FR2553793B1 (en) * | 1983-10-19 | 1986-02-14 | Crismatec | METHOD FOR CONTROLLING A SINGLE CRYSTAL DRAWING MACHINE |
| JPS62171987A (en) * | 1986-01-22 | 1987-07-28 | Komatsu Denshi Kinzoku Kk | Cz single crystal production apparatus and production method |
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2011
- 2011-12-28 CN CN 201110445402 patent/CN102425004B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202380129U (en) * | 2011-12-28 | 2012-08-15 | 苏州优晶光电科技有限公司 | Crystal growth monitoring device |
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| Publication number | Publication date |
|---|---|
| CN102425004A (en) | 2012-04-25 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20151228 |
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| EXPY | Termination of patent right or utility model |