CN209114034U - A kind of heat shield for single crystal furnace lifting device - Google Patents
A kind of heat shield for single crystal furnace lifting device Download PDFInfo
- Publication number
- CN209114034U CN209114034U CN201821627309.3U CN201821627309U CN209114034U CN 209114034 U CN209114034 U CN 209114034U CN 201821627309 U CN201821627309 U CN 201821627309U CN 209114034 U CN209114034 U CN 209114034U
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- single crystal
- lead screw
- heat shield
- supporting block
- lifting device
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Abstract
The utility model relates to single crystal growing furnace heat shielding lifting technology fields, disclose a kind of heat shield for single crystal furnace lifting device, it include: the lifting component of at least one transmission mechanism with the lower section that the transmission mechanism is set, wherein, the transmission mechanism includes retarder, lead screw, the supporting block of the movable nut being arranged on the lead screw and the upper surface that the nut is set, the lifting component is fixedly connected with the supporting block, the lower end of the lead screw and the output shaft of the retarder are coaxially connected, wherein, pass through circumferentially rotating for the output shaft of the retarder, the lead screw is driven to rotate synchronously therewith, promote the nut along the moved axially upward of the lead screw by the rotation of the lead screw, the supporting block is driven to move upwards by the movement of the nut axially upward, institute is driven by moving upwards for the supporting block Lifting component is stated to move upwards.The heat shield for single crystal furnace lifting device has the advantages that production capacity height and crystal pulling are high-efficient.
Description
Technical field
The utility model relates to single crystal growing furnace heat shielding lifting technology fields, go up and down and fill more particularly to a kind of heat shield for single crystal furnace
It sets.
Background technique
Single crystal growing furnace is the capital equipment for the preparation of solar battery mono-crystal silicon, in the process that solar monocrystalline silicon is drawn
In, the efficiency for how improving crystal pulling and the energy consumption for reducing equipment are always that the hot of monocrystalline silicon producer research is inscribed.Single crystal growing furnace saving
The main method of energy consumption is exactly the divergence loss for improving temperature field heat utilization rate, reducing heat.Wherein, reference heat shielding is exactly one
The highly effective energy-saving measure of kind, single crystal growing furnace need repeatedly to carry out into silica crucible during crystal is drawn
Feed supplement, however, to improve the efficiency of crystal pulling, it is also necessary to the number for increasing inventory, shortening feed supplement, since existing heat shielding is mostly
Fixed setting, that is, the bottom end of heat shielding is fixed in silica crucible, however, the heat shielding of this fixed set will necessarily be right
The injected volume of solid feed causes to limit, and causes the production capacity of single crystal growing furnace to reduce, crystal pulling efficiency reduces.Meanwhile it drawing and tying in crystal
Shu Hou, the heat preservation of heat shielding can slow down the cooling in temperature field instead, extend the entire production that blow-on takes the time of stick, makes single crystal growing furnace
Period is elongated, reduces the working efficiency of equipment.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of heat shield for single crystal furnace lifting devices, to solve heat shielding in the prior art
Bottom end be often fixedly disposed in silica crucible, limitation is be easy to cause to the injected volume of solid feed, so as to cause monocrystalline
The technical issues of production capacity of furnace reduces and crystal pulling efficiency reduces.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of heat shield for single crystal furnace lifting device, comprising: at least
One transmission mechanism and be arranged in the transmission mechanism lower section lifting component, wherein the transmission mechanism include retarder,
The supporting block of lead screw, the movable nut being arranged on the lead screw and the upper surface that the nut is set, the lifting
Component is fixedly connected with the supporting block, and the lower end of the lead screw and the output shaft of the retarder are coaxially connected, wherein pass through
The output shaft of the retarder circumferentially rotates, and the lead screw is driven to rotate synchronously therewith, is promoted by the rotation of the lead screw
The nut is moved axially upward along the lead screw, by nut movement axially upward drive the supporting block to
Upper movement drives the lifting component to move upwards by moving upwards for the supporting block.
Wherein, the heat shield for single crystal furnace lifting device further includes driving mechanism and flexible axle, wherein the transmission mechanism is
Two, the retarder in each transmission mechanism is set on the flexible axle and is fixedly connected with the flexible axle, the drive
Output shaft in motivation structure is fixedly connected with the input shaft of the retarder in transmission mechanism described in one of them.
Wherein, each transmission mechanism further include mounting base, the top that the mounting base is set and with the installation
Seat support base spaced apart, is configured with through-hole on the opposite surface of the mounting base and the support base, each described
Rolling bearing is mounted in through-hole, wherein the lead screw is mounted between the rolling bearing.
Wherein, the transmission mechanism further includes the backboard and side plate being arranged in the mounting base, wherein the backboard and
The side plate is located at the outside of the lead screw.
Wherein, linear guide is installed on the backboard, sliding block is installed in the linear guide, wherein is described
Sliding block is fixedly connected with the supporting block.
Wherein, the transmission mechanism further includes being set in the periphery of the lifting component and being located at the mounting base and described
Welding bellows between supporting block.
Wherein, seal member is respectively equipped in the upper and lower ends of the welding bellows.
Wherein, liquid cold runner is configured in the inside of the mounting base and the lifting component.
Wherein, scale is installed in the lateral surface of the side plate, is installed in the supporting block towards the surface of the scale
There is the indicate indicator that can indicate displacement.
Wherein, upper limit switch successively is equipped in compartment from top to bottom in the medial surface of the side plate and lower limit is opened
It closes, the upper limit switch and the lower limit can be touched by being equipped on the surface of the supporting block towards the medial surface of the side plate
The button of bit switch.
(3) beneficial effect
Heat shield for single crystal furnace lifting device provided by the utility model has the advantages that compared with prior art
By circumferentially rotating for the output shaft of the retarder, the lead screw is driven to rotate synchronously therewith, passes through turning for the lead screw
It is dynamic to promote the nut along the moved axially upward of the lead screw, drive the supporting block upward by the movement of the nut axially upward
Movement drives the lifting component to move upwards, in this case, passes through the lifting component by moving upwards for the supporting block
It moves upwards, the single crystal growing furnace heat shielding will be driven to be moved upwards, that is, so that the single crystal growing furnace heat shielding is with respect to crucible tongs towards separate
The direction of the crucible tongs is moved, in this way, constantly moving upwards with the single crystal growing furnace heat shielding, will make in crucible tongs
Space constantly increases, and further, also increases the inventory into crucible tongs, shortens feed supplement number, further, mention
The high efficiency of crystal pulling.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the heat shield for single crystal furnace lifting device of embodiments herein；
Fig. 2 is the inside overall structure diagram of the heat shield for single crystal furnace lifting device of embodiments herein；
Fig. 3 is hose, retarder and the triangular attachment structure schematic diagram of driving mechanism in Fig. 1.
In figure, 1: transmission mechanism；11: retarder；12: lead screw；13: nut；14: supporting block；15: mounting base；16: support
Seat；17: backboard；171: linear guide；172: sliding block；18: side plate；2: lifting component；3: driving mechanism；4: flexible axle；6: welding
Bellows；7: seal member；8: scale；9: indicate indicator；10: upper limit switch；20: lower position switch.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1:
As shown in Figure 1 to Figure 3, schematically show that the heat shield for single crystal furnace lifting device includes transmission mechanism 1 in figure
With lifting component 2.
In embodiments herein, which is arranged in the lower section of the transmission mechanism 1, wherein the transmission mechanism
1 includes retarder 11, lead screw 12, the movable nut 13 being arranged on the lead screw 12 and the upper surface that the nut 13 is arranged in
Supporting block 14, which is fixedly connected with the supporting block 14, the output shaft of the lower end of the lead screw 12 and the retarder 11
It is coaxially connected, wherein by circumferentially rotating for the output shaft of the retarder 11, to drive the lead screw 12 to rotate synchronously therewith, pass through
The rotation of the lead screw 12 promotes the nut 13 along the moved axially upward of the lead screw 12, passes through the fortune of nut 13 axially upward
It is dynamic that the supporting block 14 is driven to move upwards, drive the lifting component 2 to move upwards by moving upwards for the supporting block 14.It needs
Illustrate, the setting of the lifting component 2 primarily serves the effect promoted to single crystal growing furnace heat shielding.Specifically, subtracted by this
The output shaft of fast device 11 circumferentially rotates, and the lead screw 12 is driven to rotate synchronously therewith, promotes the spiral shell by the rotation of the lead screw 12
Mother 13 drives the supporting block 14 to transport upwards along the moved axially upward of the lead screw 12, by the movement of nut 13 axially upward
It is dynamic, it drives the lifting component 2 to move upwards by moving upwards for the supporting block 14, in this case, passes through the lifting component 2
Move upwards, the single crystal growing furnace heat shielding (not shown) will be driven to be moved upwards, that is, so that the single crystal growing furnace heat shielding phase
Crucible tongs (not shown) is moved towards far from the directions of the crucible tongs, in this way, continuous with the single crystal growing furnace heat shielding
It moves upwards, the space in crucible tongs will be made constantly to increase, further, also increase feeding intake into crucible tongs
It measures, shorten feed supplement number, further, improve the efficiency of crystal pulling.
It should be noted that the setting of the nut 13, primarily serves the effect of the support supporting block 14, that is, nut 13 exists
Along lead screw 12 it is moved axially upward during, can the support supporting block 14 together with respect to the progress axially upwards of the lead screw 12
Movement.
The lifting component 2 can be pull rod, lifting shaft or lifting plate etc..It is readily appreciated that, in order to play the role of lifting, at this
The bottom end of lifting component 2 can be equipped with the pulling part extending horizontally away towards outside, by making pulling part support carry the single crystal growing furnace
The outer side edges edge of the top of heat shielding can have the function that lift single crystal growing furnace heat shielding upwards.
As shown in Figure 1, Figure 2 and Figure 3, in one embodiment of the application, to advanced optimize in above-mentioned technical proposal
Heat shield for single crystal furnace lifting device, based on the above technical solution, the heat shield for single crystal furnace lifting device further include drive
Motivation structure 3 and flexible axle 4, wherein the transmission mechanism 1 is two, and it is soft that the retarder 11 in each transmission mechanism 1 is set in this
It is fixedly connected on axis 4 and with the flexible axle 4, the output shaft in the driving mechanism 3 and the deceleration in one of them transmission mechanism 1
The input shaft of device 11 is fixedly connected.It should be noted that flexible axle 4 refers to rigid very little, has elasticity and can be with free bend
The axis of transmission.The flexible axle 4 can be used for connecting not in same axis or not in same direction or two axis with relative motion, with
Rotary motion and torque are transmitted, meanwhile, which can also neatly pass to any position rotary motion and torque.
In a specific embodiment, which is preferably direct current generator.
As shown in Fig. 2, each transmission mechanism 1 further includes mounting base in another preferred embodiment of the application
15, the support base 16 that the top of the mounting base 15 is set and is spaced apart with the mounting base 15, in the mounting base 15 and the support
Seat is configured with through-hole on 16 opposite surfaces, is mounted on rolling bearing 19 in each through-hole, wherein the lead screw 12 peace
Between the rolling bearing 19.It should be noted that the setting of the mounting base 15, mainly play for installation retarder 11,
Lead screw 12, backboard 17 as described below and side plate 18 as described below provide the effect of installation space.
In addition, the structure of the mounting base 15 not merely is confined to situation shown in Fig. 2, it can also be according to actual
It needs correspondingly to be adjusted.
As shown in Fig. 2, advanced optimizing the transmission mechanism 1 in above-mentioned technical proposal, on the basis of above-mentioned technical proposal
On, which further includes the backboard 17 and side plate 18 being arranged in the mounting base 15, wherein the backboard 17 and the side plate
18 are located at the outside of the lead screw 12.It should be noted that the backboard 17 and side plate 18 are with mounting base 15 using detachable
The connection type of formula, for example, the backboard 17 and side plate 18 can be fixed at this by fasteners such as screw, rivet or bolts
In mounting base 15.
As shown in Fig. 2, one in the application is compared in more preferably technical solution, straight line is installed on the backboard 17 and is led
Rail 171 is equipped with sliding block 172 in the linear guide 171, wherein the sliding block 172 is fixedly connected with the supporting block 14.It needs
Illustrate, which can be fixed on the backboard 17 by fasteners such as screw or bolts, that is to say, that the back
The setting of plate 17 is mainly played the role of supporting and fixing the linear guide 171.In this case, which should also be as
With certain rigidity, avoid bending after adding linear guide 171 deformation the case where.
In addition, it should also be noted that, the setting of the linear guide 171, it can be ensured that lifting component 2 is longitudinally upward
What can be moved during movement is more steady, and will not there is a situation where moving off-lines.Further, it is ensured that promoted
When single crystal growing furnace heat shielding, single crystal growing furnace heat shielding is avoided to shake or bump to the edge of crucible tongs, so as to the side of crucible tongs
Along the case where damaging.
As shown in Fig. 2, the transmission mechanism 1 further includes being set in the periphery of the lifting component 2 and being located at 15 He of mounting base
Welding bellows 6 between the supporting block 14.It should be noted that the setting of the welding bellows 6, primarily serves vacuum sealing
Effect.
In another preferred embodiment of the application, sealing is respectively equipped in the upper and lower ends of the welding bellows 6
Component 7.It is readily appreciated that, the setting of the seal member 7 can further enhance sealing performance.
In a specific embodiment, which can be sealing ring, sealing strip or sealing block etc..It is easy reason
Solution, as long as the seal member 7 can play the role of sealing, for its specific structure and without limitation.
In one embodiment, liquid cold runner is configured with (in figure in the inside of the mounting base 15 and the lifting component 2
It is not shown).It should be noted that during crystal is drawn, it is ensured that lifting component 2 carries out normal work under high temperature environment
Make.
As shown in Fig. 2, one in the application is compared in more preferably technical solution, it is equipped in the lateral surface of the side plate 18
Scale 8 is equipped with the indicate indicator 9 that can indicate displacement on the surface of supporting block 14 towards the scale 8.It needs to illustrate
It is that the indicate indicator 9 is preferably pointer.Specifically, by adding the scale 8 on the side plate 18, and by the supporting block
The indicate indicator 9 is added on 14, meanwhile, enable the indicate indicator 9 accurately to indicate the corresponding scale on the scale 8,
In this way, can know the position of the lifting component 2, in real time and accurately it is possible to further accurately know the single crystal growing furnace
The current location that heat shielding rises according to the actual needs carries out in time the position where single crystal growing furnace heat shielding so as to convenient
Adjustment.
As shown in Figure 1, in the preferred technical solution of the application, the side plate 18 medial surface from top to bottom according to
It is secondary in compartment be equipped with upper limit switch 10 and lower position switch 20, the supporting block 14 towards the side plate 18 medial surface table
Face is equipped with the button (not shown) that can touch the upper limit switch 10 He the lower position switch 20.Specifically, work as lifting
When component 2 is raised or lowered to the position of the switch of upper limit switch 10 and lower position switch 20, touched by the button corresponding
After upper limit switch 10 or corresponding lower position switch 20, which just cannot be further continued for being transported in same direction
It is dynamic, that is, can only to be moved along with original contrary direction.The lifting component 2 movement has just been greatly improved as a result,
Flexibility, to efficiently avoid the lifting component 2, there is a situation where be moved through limit.
In conclusion passing through circumferentially rotating for the output shaft of the retarder 11, the lead screw 12 is driven to rotate synchronously therewith, led to
The rotation for crossing the lead screw 12 promotes the nut 13 along the moved axially upward of the lead screw 12, axially upward by the nut 13
Movement drives the supporting block 14 to move upwards, and drives the lifting component 2 to move upwards by moving upwards for the supporting block 14,
Under this situation, by moving upwards for the lifting component 2, the single crystal growing furnace heat shielding will be driven to be moved upwards, that is, so that should
Single crystal growing furnace heat shielding is moved with respect to crucible tongs towards far from the directions of the crucible tongs, in this way, continuous with the single crystal growing furnace heat shielding
It moves upwards, the space in crucible tongs will be made constantly to increase, further, also increase feeding intake into crucible tongs
It measures, shorten feed supplement number, further, improve the efficiency of crystal pulling.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of heat shield for single crystal furnace lifting device characterized by comprising
The lifting component of at least one transmission mechanism and the lower section that the transmission mechanism is set, wherein the transmission mechanism packet
Retarder, lead screw, the movable nut being arranged on the lead screw and the supporting block for the upper surface that the nut is set are included,
The lifting component is fixedly connected with the supporting block, and the lower end of the lead screw and the output shaft of the retarder are coaxially connected,
Wherein, circumferentially rotating by the output shaft of the retarder, drives the lead screw to rotate synchronously therewith, passes through the lead screw
Rotation promotes the nut along the moved axially upward of the lead screw, by described in the movement drive of the nut axially upward
Supporting block moves upwards, and drives the lifting component to move upwards by moving upwards for the supporting block.
2. heat shield for single crystal furnace lifting device according to claim 1, which is characterized in that the heat shield for single crystal furnace lifting
Device further includes driving mechanism and flexible axle, wherein the transmission mechanism is two, and the retarder in each transmission mechanism is equal
It is set on the flexible axle and is fixedly connected with the flexible axle, the output shaft in the driving mechanism and one of them described transmission
The input shaft of the retarder in mechanism is fixedly connected.
3. heat shield for single crystal furnace lifting device according to claim 1, which is characterized in that each transmission mechanism also wraps
The support base for including mounting base, the top of the mounting base being set and is spaced apart with the mounting base, in the mounting base and institute
It states and is configured with through-hole on the opposite surface of support base, be mounted on rolling bearing in each through-hole, wherein the silk
Thick stick is mounted between the rolling bearing.
4. heat shield for single crystal furnace lifting device according to claim 3, which is characterized in that the transmission mechanism further includes setting
Set backboard and side plate in the mounting base, wherein the backboard and the side plate are located at the outside of the lead screw.
5. heat shield for single crystal furnace lifting device according to claim 4, which is characterized in that be equipped on the backboard straight
Line guide rail is equipped with sliding block in the linear guide, wherein the sliding block is fixedly connected with the supporting block.
6. heat shield for single crystal furnace lifting device according to claim 5, which is characterized in that the transmission mechanism further includes set
It is located at the periphery of the lifting component and the welding bellows between the mounting base and the supporting block.
7. heat shield for single crystal furnace lifting device according to claim 6, which is characterized in that in the upper of the welding bellows
Lower both ends are respectively equipped with seal member.
8. heat shield for single crystal furnace lifting device according to claim 6, which is characterized in that in the mounting base and described mention
The inside of component is drawn to be configured with liquid cold runner.
9. heat shield for single crystal furnace lifting device according to claim 4, which is characterized in that pacify in the lateral surface of the side plate
Equipped with scale, the indicate indicator that can indicate displacement is installed on the surface of the supporting block towards the scale.
10. heat shield for single crystal furnace lifting device according to claim 4, which is characterized in that in the medial surface of the side plate
It successively is equipped with upper limit switch and lower position switch in compartment from top to bottom, in the supporting block towards the inside of the side plate
The surface in face is equipped with the button that can touch the upper limit switch and the lower position switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627309.3U CN209114034U (en) | 2018-10-08 | 2018-10-08 | A kind of heat shield for single crystal furnace lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627309.3U CN209114034U (en) | 2018-10-08 | 2018-10-08 | A kind of heat shield for single crystal furnace lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209114034U true CN209114034U (en) | 2019-07-16 |
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ID=67200364
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821627309.3U Active CN209114034U (en) | 2018-10-08 | 2018-10-08 | A kind of heat shield for single crystal furnace lifting device |
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| Country | Link |
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| CN (1) | CN209114034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301418A (en) * | 2019-07-31 | 2021-02-02 | 内蒙古中环光伏材料有限公司 | Thermal field structure suitable for increasing feeding amount of large-size single crystal |
-
2018
- 2018-10-08 CN CN201821627309.3U patent/CN209114034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301418A (en) * | 2019-07-31 | 2021-02-02 | 内蒙古中环光伏材料有限公司 | Thermal field structure suitable for increasing feeding amount of large-size single crystal |
| CN112301418B (en) * | 2019-07-31 | 2023-06-16 | 内蒙古中环光伏材料有限公司 | Thermal field structure suitable for large-size single crystal to increase feeding amount |
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