CN204281895U - A kind of lifting device preventing the breakdown of silicon core - Google Patents
A kind of lifting device preventing the breakdown of silicon core Download PDFInfo
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- CN204281895U CN204281895U CN201420744432.9U CN201420744432U CN204281895U CN 204281895 U CN204281895 U CN 204281895U CN 201420744432 U CN201420744432 U CN 201420744432U CN 204281895 U CN204281895 U CN 204281895U
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- silicon core
- screw rod
- pallet
- hoisting appliance
- lifting device
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Abstract
The utility model provides a kind of lifting device preventing the breakdown of silicon core, it comprises the driving mechanism, gear mechanism, hoisting appliance and the pallet that are connected successively, tray support is on hoisting appliance, gear mechanism rotates under the driving of driving mechanism, rotary motion in gear drive can be converted to translational motion by hoisting appliance, does up-and-down movement to make pallet under the drive of hoisting appliance.The structure of this lifting device is simple, and easy to use, cost of manufacture is low and can not affect the normal production of silicon core when using.
Description
Technical field
The utility model belongs to silicon core preparing technical field, is specifically related to a kind of lifting device preventing the breakdown of silicon core.
Background technology
In recent years, due to the diversification that silicon core is produced, the preparation of silicon core adopts zone melting method usually.Because silicon is semiconductor material, there is temperature higher, the negative resistance effect that resistance is lower.The silicon core that zone melting method draws is used for production of polysilicon carrier, to be applicable in reduction furnace after heating or growing polycrystalline silicon after high-voltage breakdown.The production technique of silicon core is from the heat technique once drawing one the earliest, develop into a present heat and can draw more than ten, production efficiency improves greatly, but higher to operational requirement when zone melting method produces silicon core, and it is more difficult that many silicon core drawing process realize Automated condtrol completely.And the diameter range of silicon core is 7-10mm, there is the problem that operator's labour intensity is large at present, and after drawing completes, cut in the process of system from upper furnace chamber, cause the bulk temperature of silicon core still higher due to time reason, silicon core is again a kind of easily broken, friable product simultaneously, its length is between 2500-2800mm, therefore often there is silicon core drop event, cause finished silicon core breakdown rate high, cause the waste of cost.
Mainly adopt lifting device to avoid silicon core to drop at present, with hope, silicon core breakdown loss is dropped to minimum.Mainly there is following problem in existing lifting device:
The first, lifting device realizes controlling by hydrostatic transmission.But hydraulic transmission mode needs to utilize hydraulic efficiency oil, but in silicon core furnace chamber, usually can not there is the material of oils, the silicon core drawn out will be made like this to occur underproof phenomenon, thus improve the cost of silicon core, make cost high.
The second, existing lifting device structure is complicated, and not easy to operate, the more important thing is, well can not protect the silicon core be drawn into.
The number of the silicon core breakdown caused because silicon core drops is very serious, the annual loss enormous amount caused because of the breakdown of silicon core, in production of polysilicon enterprise, enterprise close to 80% also at employing silicon core when carrier produces polysilicon, be therefore can not be unheeded concerning the breakdown rate after silicon core finished product whole industry.Therefore, need a kind of lifting device badly, to solve the problems of the technologies described above.
Utility model content
Technical problem to be solved in the utility model is for above shortcomings in prior art, provides one not need to adopt hydraulic efficiency oil, and structure is simple, the lifting device preventing the breakdown of silicon core of convenient operation.
The technical scheme that solution the utility model technical problem adopts is that this prevents the lifting device of silicon core breakdown from comprising the driving mechanism, gear mechanism, hoisting appliance and the pallet that are connected successively, tray support is on hoisting appliance, gear mechanism rotates under the driving of driving mechanism, rotary motion in gear drive can be converted to translational motion by hoisting appliance, does up-and-down movement to make pallet under the drive of hoisting appliance.
Preferably, described hoisting appliance comprises rifled tube, screw rod and anti-rotational pipe, described rifled tube is connected with the output terminal of gear mechanism, described screw rod is located at rifled tube inside and is threaded with rifled tube, the lower end of screw rod is prism structure, described anti-rotational pipe box is located on the prism structure of screw rod lower end, cannot rotate to make screw rod with rifled tube.
Preferably, the prism structure of described screw rod lower end is six prisms, and correspondingly, anti-rotational pipe adopts six angle pipes.
Preferably, the bevel pinion that described gear mechanism comprises bevel gear wheel and engages with bevel gear wheel, the input terminus of described bevel gear wheel is connected with driving mechanism, and bevel pinion is connected with rifled tube.
Preferably, the number of teeth of described bevel gear wheel is greater than the number of teeth of bevel pinion.
Preferably, described driving mechanism adopts Manual drive mechanism, and this Manual drive mechanism comprises rotating shaft and handle, and bevel gear wheel is installed in rotating shaft, and handle is connected with one end of rotating shaft.
Preferably, the shape of described pallet and the interior shape of silicon core stove suitable.
Preferably, this device also comprises buffering panel, and buffering panel is arranged on pallet, and buffering panel adopts anti-scald, resilient material to make.
Preferably, described buffering panel adopts high temperature glass wool felt or sponge to make.
The beneficial effect of the utility model lifting device is: because this lifting device does not need to adopt hydraulic efficiency oil, but lubricate with silicone grease, can not furnace chamber be polluted and reach the requirement of high-purity health, namely can solve the hygienic issues in silicon core stove, avoid the appearance of unacceptable product; This lifting device manually driving mechanism realizes the height of manual regulation pallet, thus the problem that the height because of dissimilar silicon core stove differs can be solved, also the phenomenon that cannot use because of the supporting bracket insufficient height of silicon core furnace interior can be avoided, thus to be applicable in a series of silicon core drawing device such as a core stove, three core stoves, five core stoves, six core stoves, seven core stoves that existing silicon core produces (can the height of appropriate adjustment means according to size), and the intact of coil and silicon core can be protected well, make the breakdown rate of silicon core drop to minimum; By settling buffering panel on pallet, silicon core, in dropping process, forms soft collision with buffering panel, forms the effect of buffering, thus can protect silicon core, to avoid silicon core generation breakdown.
The structure of this lifting device is simple, and easy to use, cost of manufacture is low and can not affect the normal production of silicon core when using.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lifting device preventing the breakdown of silicon core in the utility model embodiment 1;
Fig. 2 is the stereographic map of the lifting device preventing the breakdown of silicon core in the utility model embodiment 1;
Fig. 3 prevents the lifting device of silicon core breakdown at the installation site figure of silicon core furnace interior in the utility model embodiment 1.
In figure: 1-pallet; 2-rifled tube; 3-bearing; 4-bevel pinion; 5-bevel gear wheel; 6-handle; 7-rotating shaft; 8-bearing; 9-nut; 10-bolt; 11-cabinet; 12-mount pad; The anti-rotational pipe of 13-; 14-screw rod; 15-support; 16-base; 17-silicon core stove; 18-cushions panel.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, carry out clear, complete description to the technical scheme in the utility model, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
The utility model prevents the lifting device of silicon core breakdown from comprising the driving mechanism, gear mechanism, hoisting appliance and the pallet that are connected successively, tray support is on hoisting appliance, gear mechanism rotates under the driving of driving mechanism, rotary motion in gear drive can be converted to translational motion by hoisting appliance, does up-and-down movement to make pallet under the drive of hoisting appliance.
Below in conjunction with embodiment, the utility model is described in detail.
Embodiment 1:
As shown in Figure 1, 2, in the present embodiment, this prevents the lifting device of silicon core breakdown from comprising support, also comprise driving mechanism, gear mechanism, hoisting appliance and the pallet 1 be connected successively, tray support is on hoisting appliance, gear mechanism rotates under the driving of driving mechanism, and the rotary motion in gear drive can be converted to translational motion by hoisting appliance, does up-and-down movement to make pallet 1 under the drive of hoisting appliance.
Wherein, support comprises base 16, support 15 and cabinet 11.Described gear mechanism is located in cabinet 11.In the present embodiment, particularly, base 16 is cup dolly, and support 15 comprises three support bars, and three support bars are all located on base 16, and cabinet 11 is arranged on mount pad 12, and mount pad 12 is arranged on the upper end of three support bars.
In the present embodiment, three support bars in support can play well firm effect according to present three-point fix principle, and dismounting and install all very convenient.
Preferably, in the present embodiment, described hoisting appliance comprises rifled tube 2, screw rod 14 and anti-rotational pipe 13, the top of screw rod 14 is provided with outside screw, and the bottom of screw rod is six prism structures, and the top of screw rod is arranged in rifled tube and is also threaded with between rifled tube 2, anti-rotational pipe 13 is six angle pipes, anti-rotational pipe 13 is set on six prism structures of screw rod bottom, for constraint screw rod 14, screw rod 14 cannot be rotated with the rotation of rifled tube 2.
Preferably, described gear mechanism comprises bevel gear wheel 5 and bevel pinion 4, and described driving mechanism adopts Manual drive mechanism, and this Manual drive mechanism comprises rotating shaft 7 and handle 6.Wherein, bevel gear wheel 5 engages with bevel pinion 4, and one end of rotating shaft is stretched in cabinet 11, and bevel gear wheel 5 is set in rotating shaft 7 and stretches on one end of cabinet, and handle 6 is arranged on the other end of rotating shaft 7, and bevel pinion 4 is connected with rifled tube 2.
In the present embodiment, the number of teeth of bevel gear wheel and the gear ratio of bevel pinion are 5:3.
As shown in Figure 1, the top of cabinet 11 is provided with perforate, and the upper end of rifled tube 2 passes from this perforate, and the top of screw rod 14 is stretched out and is fixedly connected with the bottom of pallet 1 from rifled tube 2.
In the present embodiment, pallet 1 plays a supportive role to the silicon core dropped.Preferably, as shown in Figure 2, the shape of preferred trays 1 is half elliptic.In actual use, the shape of pallet 1 and the interior shape suitable (as shown in Figure 3) of silicon core stove 17.
By adjusting the angle of pallet 1, thus suitably can regulate the orientation of whole lifting device.
In the present embodiment, the thickness of pallet 1 is 3-5mm, and its length and width are determined because of the interior dimensions of Different Silicon core stove.
Preferably, this lifting device also comprises buffering panel, and described buffering panel is arranged on pallet 1.
By settling a buffering panel above pallet, contacting with pallet when falling to avoid silicon core and form hard collision and cause the breakdown of silicon core, like this, after silicon core drops, silicon core directly forms damp impacts with buffering panel, plays good buffering, avoid its direct breakdown to silicon core.
The material selection principle of buffering panel is: made of soft, and anti-scald, high resilience, high temperature resistant (heat resisting temperature is 50 ~ 100 degree) and there is certain toughness, can not deformation be there is in life-time service.The object of the material selection principle of above-mentioned setting buffering panel is; when just having drawn silicon core in silicon core stove; because overall stove room temp is too high; so require that in the selection of cushioning material buffering panel has high temperature resistant; good springiness; and good shock absorption can be played when silicon core drops; like this under very large deformation occurs buffering panel; just can there is the release of very large self-energy in silicon core; therefore cushion panel can effectively protect silicon core, avoid the generation breakdown of silicon core and cause cost waste.
Preferred buffering panel adopts high temperature glass wool felt or sponge to make; The thickness of preferred buffering panel is 20 ~ 30mm.
During the work of this lifting device, bevel gear wheel 5 is driven to rotate by turning handle 6, because bevel gear wheel 5 engages with bevel pinion 4, bevel pinion 4 is also rotated thereupon, and bevel pinion 4 is fixedly connected with rifled tube 2, rifled tube 2 is hinged with bearing 3, so the rotation of bevel pinion 4 can drive rifled tube 2 to rotate in bearing 3, again because the top of rifled tube 2 with screw rod 14 is threaded connection, and the bottom of screw rod 14 is six prism structures, and the lower end of screw rod 14 is arranged in anti-rotational pipe 13, like this, screw rod 14 only can produce relative to anti-rotational pipe 13 and move up and down, i.e. up-and-down movement, and can not relatively rotate, because rifled tube 2 is be threaded with screw rod 14, so when rifled tube 2 rotates, screw rod 14 only can do up-and-down movement, thus drive pallet 1 to make lifting moving, reach the object regulating height.
Lifting device in the present embodiment manually can meet the requirement of Different Silicon core stove by lifting tray; avoid the phenomenon that cannot use because of insufficient height; and regulate lifting device to meet the height of supporting bracket by handle; by pallet to the silicon core dropped the supporting role that rises; realize silicon core drop after the release of power; simultaneously by the elasticity of the buffering panel on pallet, thus silicon core can be protected well, prevent it from breakdown occurring.
In the present embodiment, the structure of lifting device is simple and easy to use, and can apply in a series of silicon core drawing devices such as a present core stove, three core stoves, five core stoves, six core stoves, seven core stoves, for convenience detach, in utilization process, also can not have influence on the drawing of silicon core, and silicon core can well be protected to cut the serviceability rate in process processed; Meanwhile, because this lifting device does not need to adopt hydraulic efficiency oil, therefore also can solve the problem of high-purity health in silicon core stove, avoid the appearance of unacceptable product.
Specifically, the lifting device in the present embodiment has the following advantages:
1, compact construction, takes up room little, has certain carry load ability;
2, drive bevel pinion to rotate by bevel gear wheel, such manual rotation handle 1 encloses, and screw rod just can multi-turn rotation, and the efficiency of lifting is high;
3, adopt anti-rotational pipe to retrain the prism structure of screw rod lower end, this restraining structure, screw rod can not be made to produce and relatively rotate, and structure is simple, be easy to realize, and larger impact can not be produced in moving process;
4, adopt worm drive, make device self have auto-lock function, do not need additionally to arrange self-locking mechanism;
5, the support in support plays good stabilization according to present three-point fix, and convenient disassembly is easily got, and also easily installs.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (9)
1. one kind prevents the lifting device of silicon core breakdown, it is characterized in that, comprise the driving mechanism, gear mechanism, hoisting appliance and the pallet that are connected successively, tray support is on hoisting appliance, gear mechanism rotates under the driving of driving mechanism, rotary motion in gear drive can be converted to translational motion by hoisting appliance, does up-and-down movement to make pallet under the drive of hoisting appliance.
2. device as claimed in claim 1, it is characterized in that, described hoisting appliance comprises rifled tube, screw rod and anti-rotational pipe, described rifled tube is connected with the output terminal of gear mechanism, described screw rod is located at rifled tube inside and is threaded with rifled tube, the lower end of screw rod is prism structure, and described anti-rotational pipe box is located on the prism structure of screw rod lower end, cannot rotate to make screw rod with rifled tube.
3. device as claimed in claim 2, it is characterized in that, the prism structure of described screw rod lower end is six prisms, and correspondingly, anti-rotational pipe adopts six angle pipes.
4. device as claimed in claim 2, it is characterized in that, the bevel pinion that described gear mechanism comprises bevel gear wheel and engages with bevel gear wheel, the input terminus of described bevel gear wheel is connected with driving mechanism, and bevel pinion is connected with rifled tube.
5. device as claimed in claim 4, it is characterized in that, the number of teeth of described bevel gear wheel is greater than the number of teeth of bevel pinion.
6. device as claimed in claim 4, is characterized in that, described driving mechanism adopts Manual drive mechanism, and this Manual drive mechanism comprises rotating shaft and handle, and bevel gear wheel is installed in rotating shaft, and handle is connected with one end of rotating shaft.
7. the device as described in any one of claim 1-6, is characterized in that, the shape of described pallet and the interior shape of silicon core stove suitable.
8. the device as described in any one of claim 1-6, is characterized in that, this device also comprises buffering panel, and buffering panel is arranged on pallet, and buffering panel adopts anti-scald, resilient material to make.
9. device as claimed in claim 8, is characterized in that, described buffering panel adopts high temperature glass wool felt or sponge to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744432.9U CN204281895U (en) | 2014-12-01 | 2014-12-01 | A kind of lifting device preventing the breakdown of silicon core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744432.9U CN204281895U (en) | 2014-12-01 | 2014-12-01 | A kind of lifting device preventing the breakdown of silicon core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204281895U true CN204281895U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420744432.9U Expired - Fee Related CN204281895U (en) | 2014-12-01 | 2014-12-01 | A kind of lifting device preventing the breakdown of silicon core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204281895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396584A (en) * | 2018-04-24 | 2019-11-01 | 佛山市嘉懿行农业科技有限公司 | A kind of program-controlled tempering furnace furnace body of high-precision atmosphere protection |
-
2014
- 2014-12-01 CN CN201420744432.9U patent/CN204281895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396584A (en) * | 2018-04-24 | 2019-11-01 | 佛山市嘉懿行农业科技有限公司 | A kind of program-controlled tempering furnace furnace body of high-precision atmosphere protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20181201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |