CN201116314Y - Polysilicon directional solidification down-drawing crystal growth barycenter driving transmission mechanism - Google Patents
Polysilicon directional solidification down-drawing crystal growth barycenter driving transmission mechanism Download PDFInfo
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- CN201116314Y CN201116314Y CNU2007200766656U CN200720076665U CN201116314Y CN 201116314 Y CN201116314 Y CN 201116314Y CN U2007200766656 U CNU2007200766656 U CN U2007200766656U CN 200720076665 U CN200720076665 U CN 200720076665U CN 201116314 Y CN201116314 Y CN 201116314Y
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Abstract
The utility model relates to a solar energy level polycrystalline silicon ingot furnace, in particular to a transmission mechanism for realizing the technical requirement of the growth of the directional frozen pull-down crystal of the polycrystalline silicon in a solar energy level polycrystalline silicon ingot furnace. The structure of the utility model mainly comprises the technical requirement that the crystal growth and pull-down is realized through the revolution of the main parts such as a special type precision speed reducer, a precision ball screw, etc. Inlet and outlet cooling crystal of the cooling water is composed of a sealing ring and a part hollow cavity, etc., and the requirement of the directional frozen of the crystal growth is realized; the revolution requirement for the crystal growth is realized through the revolution of the main parts such as a bearing seat, a bearing, a V belt wheel, coupling flange, etc. The solar energy level polycrystalline silicon ingot furnace of the utility model has the advantages of economy, reliability, stabilization and easy mass production.
Description
Technical field
The utility model relates to a kind of solar-grade polysilicon ingot furnace, is specifically related to realize in a kind of solar-grade polysilicon ingot furnace the transmission rig of the drop-down crystal technique requirement of polysilicon directional freezing.
Background technology
As everyone knows, the now positive fast development of photovoltaic industry, and its starting material crystalline silicon serious in short supply become present significant problem, in order to reduce raw-material cost, the mass production solar grade polycrystalline silicon material becomes present important working direction.The domestic serious hysteresis of the preparation equipment of solar-grade polysilicon, the above polycrystalline silicon ingot or purifying furnace of its nucleus equipment 100Kg is abroad monopolized basically, charge amount is very little in practice for the domestic polycrystalline silicon ingot or purifying furnace of succeeding in developing, and does not have producer to use basically, is in small-sized advanced development.The technological breakthrough of solar-grade polysilicon ingot furnace becomes the key subjects that the present urgent need of China is captured.
Based on the state of the art present situation of present China, fail to realize at maximization (be the extension production of charge amount, abroad generally reach more than the 400Kg) aspect of solar-grade polysilicon ingot furnace in this field always.In known patent documentation and the actual solar-grade polysilicon ingot furnace that uses, all adopt non-center of gravity drives structure, cause that structural stability is poor, the realization of maximization has very big difficulty,, not too be fit to the present national conditions of China and carry out big area and promote even it is also high to implement cost.
The utility model content
Technical problem to be solved in the utility model provides the center of gravity drive transmission device of the drop-down crystal growth of a kind of polysilicon directional freezing, to overcome above-mentioned defective of the prior art.The utility model has solved the technical requirements that crystal orientation solidifies drop-down growth in the solar-grade polysilicon ingot furnace well, has realized the requirement of maximizing well, and use has obtained good result of use on certain novel stove of development.
In order to solve the problems of the technologies described above, the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing that the utility model proposes has following structure: the precision ball screw center of band key is erect and is installed on the precision speed reduction device, the nut flange of precision ball screw is anchored on the leading screw seat, adds rotary motor and is connected in precision speed reduction device; Leading screw seat, the effluent seat that has the water-feeding base of water-in and have a water outlet are fastenedly connected and form the turnover water route; Effluent seat, bearing support are fastenedly connected with joint flange respectively; Joint flange is provided with screw hole, is connected with the guide runner that adds by this; The V belt wheel of band key is fixed on the hermetically sealed case, and the additionaling power belt is connected on the V belt wheel.
As optimal technical scheme, the center of gravity drive transmission device of the drop-down crystal growth of the above-mentioned polysilicon directional freezing of the utility model preferably further comprises lower O-shape ring and upper O-shape ring, forms the watertight construction in turnover water route; But the structure of preferably forming the hermetically sealed case turning motion together by the little back-up ring, joint flange, bearing support and the hermetically sealed case that block bearing; Preferably lower end and the upper end that is enclosed within hermetically sealed case respectively by small sealing ring and large sealing packing ring forms watertight construction; Preferably be fastenedly connected, and form water-lute together, preferably be provided with screw hole on the sealing cover with big O shape circle by hermetically sealed case and sealing cover; The V belt wheel of band key preferably is fixed on the hermetically sealed case and is blocked by big back-up ring.
Advantage of the present utility model is as follows: (1) with low cost, delicate structure; (2) center of gravity drives reliability height, long service life; (3) part manufacturing, assembling and dismounting maintenance are easily; (4) water-lute and water cooling effect are fine; (5) be easy to large-scale production; (6) appearance looks elegant; (7) automatization control is easy to realize.(8) the utility model mechanism also can apply on the body of heater of other crystal growths, and versatility is fine.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Wherein: 1 is the special precision speed reduction unit, and 2 is precision ball screw, and 3 is the leading screw seat, 4 is lower O-shape ring, and 5 is water-feeding base, and 6 is upper O-shape ring, 7 is small sealing ring, and 8 is joint flange, and 9 is bearing support, 10 is bearing, and 11 is big back-up ring, and 12 is hermetically sealed case, 13 is sealing cover, and 14 is big O shape circle, and 15 is the V belt wheel, 16 is little back-up ring, and 17 is large sealing packing ring, and 18 is effluent seat.
Embodiment
Further describe the utility model below in conjunction with drawings and Examples.
It shown in Fig. 1-2 the structural representation of the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing that proposes of the utility model one preferred embodiment.Shown in Fig. 1-2, precision ball screw 2 centers of band key are erect and are installed on the special precision speed reduction unit 1, the nut flange of precision ball screw 2 is anchored on the leading screw seat 3 with screw, add rotary motor and be connected in special precision speed reduction unit 1, energising makes 1 revolution of special precision speed reduction unit when enabling, thereby drive precision ball screw 2 revolutions, the nut that drives precision ball screw 2 is thus realized up-and-down movement.Drive thus with screw connected top one-piece construction lifting.Leading screw seat 3, effluent seat 18 3 parts that have the water-feeding base 5 of water-in and have a water outlet are fastenedly connected by screw and form the turnover water route, and have lower O-shape ring 4 and upper O-shape ring 6 to form watertight construction.Effluent seat 18 is fastening with joint flange 8 usefulness screws.Bearing support 9 is connected with joint flange 8 usefulness screws.Be reserved with screw hole on the joint flange 8, be convenient to it and be connected with the slide block that adds guide rail.But the little back-up ring 16, joint flange 8, bearing support 9 and the hermetically sealed case 12 that block bearing 10 are formed the structure of hermetically sealed case 12 turning motions together.Lower end and upper end that small sealing ring 7 and large sealing packing ring 17 are enclosed within hermetically sealed case 12 respectively form watertight construction.The V belt wheel 15 of band key is fixed on the hermetically sealed case 12 and is blocked by big back-up ring 11, and the additionaling power belt is connected on the V belt wheel 15, drives hermetically sealed case 12 and realizes turning motion.Hermetically sealed case 12 is fastening with sealing cover 13 usefulness screws, adds big O shape and encloses 14 and form water-lute together, is reserved with screw hole on the sealing cover 13, is convenient to be connected with the crystal growth pallet that adds etc.
Specify course of action of the present utility model below in conjunction with accompanying drawing.
Shown in Fig. 1-2, the motor that adds that is connected in special precision speed reduction unit 1 is switched on when enabling, and special precision speed reduction unit 1 drives precision ball screw 2 revolutions, and the revolution of precision ball screw 2 makes its nut carry out the oscilaltion campaign; Drive the top one-piece construction that is connected on the nut of precision ball screw 2 with screw thus and carry out up-and-down movement, realize the drop-down growth requirement of crystalline.The V belt wheel 15 of band key makes the inner ring turning motion together of connected sealing cover 13, hermetically sealed case 12 and bearing 10 under the driving that adds power belt, finish the requirement of crystal turning motion thus.Form feeding water quench sealing cover 13 in the water-lute path by leading screw seat 3, lower O-shape ring 4, water-feeding base 5, upper O-shape ring 6, small sealing ring 7, hermetically sealed case 12, sealing cover 13, big O shape circle 14, large sealing packing ring 17 and effluent seat 18, and then realizing the technical requirements of crystal growth directional freeze.By regulating the flow and the pressure of water coolant, can well regulate the temperature parameter requirement of crystalline solidification growth.This transmission rig has well been realized the technical requirements of solar-grade polysilicon growth, under the cooperation of other parameters, has grown qualified solar-grade polysilicon in practice, realizes smoothly maximizing.
Claims (6)
1, the center of gravity drive transmission device of the drop-down crystal growth of a kind of polysilicon directional freezing, it is characterized in that, the precision ball screw center of band key is erect and is installed on the precision speed reduction device, and the nut flange of precision ball screw is anchored on the leading screw seat, adds rotary motor and is connected in precision speed reduction device; Leading screw seat, the effluent seat that has the water-feeding base of water-in and have a water outlet are fastenedly connected and form the turnover water route; Effluent seat, bearing support are fastenedly connected with joint flange respectively; Joint flange is provided with screw hole, is connected with the guide runner that adds by this; The V belt wheel of band key is fixed on the hermetically sealed case, and the additionaling power belt is connected on the V belt wheel.
2, the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing according to claim 1 is characterized in that, further comprises lower O-shape ring and upper O-shape ring, forms the watertight construction in turnover water route.
3, the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing according to claim 1 is characterized in that, but the little back-up ring, joint flange, bearing support and the hermetically sealed case that block bearing are formed the structure of hermetically sealed case turning motion together.
4, the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing according to claim 1 is characterized in that, lower end and upper end that small sealing ring and large sealing packing ring are enclosed within hermetically sealed case respectively form watertight construction.
5, the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing according to claim 1 is characterized in that, hermetically sealed case and sealing cover are fastenedly connected and big O shape circle forms water-lute together, and sealing cover is provided with screw hole.
6, the center of gravity drive transmission device of the drop-down crystal growth of polysilicon directional freezing according to claim 1 is characterized in that, the V belt wheel of band key is fixed on the hermetically sealed case and is blocked by big back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200766656U CN201116314Y (en) | 2007-10-25 | 2007-10-25 | Polysilicon directional solidification down-drawing crystal growth barycenter driving transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200766656U CN201116314Y (en) | 2007-10-25 | 2007-10-25 | Polysilicon directional solidification down-drawing crystal growth barycenter driving transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201116314Y true CN201116314Y (en) | 2008-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200766656U Expired - Fee Related CN201116314Y (en) | 2007-10-25 | 2007-10-25 | Polysilicon directional solidification down-drawing crystal growth barycenter driving transmission mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN201116314Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337203A (en) * | 2016-09-23 | 2017-01-18 | 沈阳大学 | Water-cooling mechanical moving device for test piece in high-vacuum single-crystal growth furnace |
-
2007
- 2007-10-25 CN CNU2007200766656U patent/CN201116314Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337203A (en) * | 2016-09-23 | 2017-01-18 | 沈阳大学 | Water-cooling mechanical moving device for test piece in high-vacuum single-crystal growth furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20131025 |