CN205046226U - Single crystal silicon rod stone tongs - Google Patents
Single crystal silicon rod stone tongs Download PDFInfo
- Publication number
- CN205046226U CN205046226U CN201520756536.6U CN201520756536U CN205046226U CN 205046226 U CN205046226 U CN 205046226U CN 201520756536 U CN201520756536 U CN 201520756536U CN 205046226 U CN205046226 U CN 205046226U
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- Prior art keywords
- snap ring
- single crystal
- silicon single
- crystal rod
- pad
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Abstract
The utility model discloses a single crystal silicon rod stone tongs relates to vertical pulling monocrystalline silicon production technical field. The device includes clamping device, cyclic annular pad, hoist device, clamping device includes half circle ring left side snap ring and right snap ring, and left snap ring and right snap ring both ends are equipped with locking structure, the cyclic annular pad includes that fill up on a half circle ring left side and fill up on the right side, establishes respectively in left snap ring and right snap ring inboard, and hoist device includes left lug and right lug, establish respectively on left snap ring and right snap ring, and the two same diameter line that lies in clamping device. The utility model discloses a cyclic annular cooperation clamping device that fills up uses, avoids clamping device direct contact single crystal silicon rod, prevents that metallic element from polluting, can strengthen the stability of putting forward crystal -pulling silicon rod process, prevent that the single crystal silicon rod from coming off, reduce the accident rate, reduce the loss of single crystal silicon rod, reduction in production cost.
Description
Technical field
The utility model relates to pulling of silicon single crystal production technical field.
Background technology
Straight pull type single crystal furnace is the major equipment producing silicon single crystal used for solar batteries and unicircuit silicon single crystal.Along with the size of solar cell silicon materials increases, and unicircuit improves monocrystal material quality requirements, has higher requirement to the level of automation of monocrystalline silicon growing equipment and the stability of life-time service.In the process of monocrystalline growth with czochralski silicon, polycrystalline silicon material is needed to be molten into polysilicon liquation, seed crystal is fallen in polysilicon liquation by single crystal growing furnace top, and the temperature controlling liquid level makes the crystallization again around seed crystal of polycrystalline liquation, generates the silicon single crystal rod of marshalling.For reducing production cost, operator again feed in raw material to improve single stove charging capacity and production efficiency usually after polycrystalline silicon material fusing.
Along with charging capacity of single crystal furnace continues to increase, single crystal rod weight increases thereupon, in process of production or tear open in stove process and there will be monocrystalline pendant crucible accident, once monocrystalline pendant crucible, get in monocrystalline process pretty troublesome, and easily occur that secondary falls in the process of taking out, prior art adopts waste steel wire rope to be wound around as stone tongs, silicon single crystal rod is taken out by connecting sling cart, because metal stone tongs directly contacts with silicon single crystal rod, easily cause the metal pollution of silicon single crystal rod, and coming off or lightening restrictions on easily appears in wireline, uncontrollable binding single crystal rod stability in lifting process, easy generation is dropped and is collided with, single crystal rod loss is caused to use, increase production cost.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of silicon single crystal rod stone tongs is provided, avoid metal pollution, prevent silicon single crystal rod from coming off, strengthen the stability promoting silicon single crystal rod process, reduce casualty ratio of accidents, reduce silicon single crystal rod loss, reduce production cost.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of silicon single crystal rod stone tongs, it is characterized in that, comprise gripping unit, loop pads, hanging apparatus, described gripping unit comprises the left snap ring of semi-circular shape and right snap ring, left snap ring and right snap ring two ends are provided with locking mechanism, described loop pads comprises the left pad of semi-circular shape and right pad, be located at inside left snap ring and right snap ring respectively, hanging apparatus comprises left hanger and right hanger, be located on left snap ring and right snap ring respectively, and the two is positioned on the same diameter line of gripping unit.
Preferably, described loop pads is tetrafluoroethylene pad.
Preferably, described loop pads, the left pad of semi-circular shape and right pad are fixed on inside left snap ring and right snap ring with tackiness agent respectively.
Preferably, described gripping unit, hanging apparatus and locking mechanism are stainless steel.
Preferably, described gripping unit, the left snap ring of semi-circular shape and right snap ring external diameter 250mm, internal diameter 220mm, thickness 20mm.
Preferably, described gripping unit, is provided with groove inside the left snap ring of semi-circular shape and right snap ring, and recess width is 8mm, and the degree of depth is 5mm; Described loop pads, the left pad of semi-circular shape and right pad, it is along the diametric profile of semicircular ring in " convex " character form structure, and bossing deviates from the center of circle, width, thickness and matching grooves.
Preferably, described locking latches, the lock ear left snap ring and right snap ring two ends are provided with by securing bolt is locked.
Preferably, the same diameter line that described left hanger and right hanger are positioned at is vertical with the bonding surface of left snap ring and right snap ring.
The beneficial effect adopting technique scheme to produce is: the utility model adopts loop pads to coordinate gripping unit to use, gripping unit is avoided directly to contact silicon single crystal rod, prevent metal pollution, ring-type tetrafluoroethylene pad is high temperature resistant, effectively can prevent silicon single crystal rod in lift process from coming off, and strengthen the stability of pulling silicon single crystal rod motion, reduce casualty ratio of accidents, reduce silicon single crystal rod loss, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the sectional view of the utility model embodiment.
In figure: 1, gripping unit; 2, loop pads; 3, hanging apparatus; 4, locking latches; 11, left snap ring; 12, right snap ring; 21, left pad; 22, right pad; 31, left hanger; 32, right hanger.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1 and Fig. 2, a kind of novel silicon single crystal rod stone tongs, comprise gripping unit 1, tetrafluoroethylene pad 2, hanging apparatus 3, described gripping unit 1 comprises the left snap ring of semi-circular shape 11 and right snap ring 12, left snap ring 11 is provided with locking mechanism 4 with right snap ring 12 two ends, described tetrafluoroethylene pad 2 comprises the left pad of semi-circular shape 21 and right pad 22, tackiness agent is adopted to be fixed on inside left snap ring 11 and right snap ring 12 respectively, hanging apparatus 3 comprises left hanger 31 and right hanger 32, be located at the upper surface of left snap ring 11 and right snap ring 12 respectively, the straight line at left hanger 31 and right hanger 32 place is a diameter line of locking latches 1, and it is vertical with the bonding surface of right snap ring 12 with left snap ring 11.Left snap ring 11 and right snap ring 12 external diameter 250mm, internal diameter 220mm, thickness 20mm, and be provided with groove inside left snap ring 11 and right snap ring 12, recess width is 8mm, and the degree of depth is 5mm.The left pad of semi-circular shape 21 and right pad 22, it is along the diametric profile of semicircular ring in " convex " character form structure, and bossing deviates from the center of circle, width, thickness and matching grooves.Gripping unit 1, hanging apparatus 3 and locking latches 4 is stainless steel, and the lock ear locking that left snap ring and right snap ring two ends are provided with by securing bolt by locking latches 4.
The utility model when installing and using, by nested for the bossing of left for semi-circular shape pad 21 enter the left snap ring 11 of semi-circular shape groove in, and to be fixedly connected with tackiness agent, to assemble right pad 22 and right snap ring 12 by same operation.During pulling single crystal silicon rod, be placed in outside silicon single crystal rod by the left snap ring 11 and right snap ring 12 that are provided with tetrafluoroethylene pad, utilize the lock ear at the left snap ring of bolt-locking 11 and right snap ring 12 two ends, bonding crystalline silicon rod is pulling the stability in process.Adopt crane subsequently, lift by crane left hanger 31 and the right hanger 32 of this stone tongs, realize pulling of silicon single crystal rod.The bolt that locking mechanism 4 adopts, be STAINLESS STEEL HEX SOCKET CAP SCREWS, screw thread 60mm, being applicable to diameter is pulling of the silicon single crystal rod of 8 cun, 8.5 cun, 9 cun.
A kind of silicon single crystal rod stone tongs described in the present embodiment, adopts loop pads to coordinate gripping unit to use, avoids gripping unit directly to contact silicon single crystal rod, prevent metal pollution; Silicon single crystal rod is in the condition of high temperature in lift process, and ring-type tetrafluoroethylene pad is high temperature resistant, can effectively prevent silicon single crystal rod in lift process from coming off, and strengthens the stability of pulling silicon single crystal rod motion, reduces casualty ratio of accidents, reduces silicon single crystal rod loss, reduces production cost.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (8)
1. a silicon single crystal rod stone tongs, it is characterized in that, comprise gripping unit (1), loop pads (2), hanging apparatus (3), described gripping unit (1) comprises the left snap ring of semi-circular shape and right snap ring, left snap ring and right snap ring two ends are provided with locking mechanism (4), described loop pads (2) comprises the left pad of semi-circular shape and right pad, be located at inside left snap ring and right snap ring respectively, hanging apparatus (3) comprises left hanger and right hanger, be located at respectively on left snap ring and right snap ring, and the two is positioned on the same diameter line of gripping unit (1).
2. a kind of silicon single crystal rod stone tongs according to claim 1, is characterized in that, described loop pads (2) is tetrafluoroethylene pad.
3. a kind of silicon single crystal rod stone tongs according to claim 1, is characterized in that, described loop pads (2), and the left pad of semi-circular shape and right pad are fixed on inside left snap ring and right snap ring with tackiness agent respectively.
4. a kind of silicon single crystal rod stone tongs according to claim 1, is characterized in that, described gripping unit (1), hanging apparatus (3) and locking mechanism (4) are stainless steel.
5. a kind of silicon single crystal rod stone tongs according to claim 1, is characterized in that, described gripping unit (1), the left snap ring of semi-circular shape and right snap ring external diameter 250mm, internal diameter 220mm, thickness 20mm.
6. a kind of silicon single crystal rod stone tongs according to claim 5, is characterized in that, described gripping unit (1) is provided with groove inside the left snap ring of semi-circular shape and right snap ring, and recess width is 8mm, and the degree of depth is 5mm; Described loop pads (2), the left pad of semi-circular shape and right pad, it is along the diametric profile of semicircular ring in " convex " character form structure, and bossing deviates from the center of circle, width, thickness and matching grooves.
7. a kind of silicon single crystal rod stone tongs according to claim 1, is characterized in that, described locking latches (4), the lock ear locking left snap ring and right snap ring two ends are provided with by securing bolt.
8. a kind of silicon single crystal rod stone tongs according to claim 1, is characterized in that, the same diameter line that described left hanger and right hanger are positioned at, vertical with the bonding surface of left snap ring and right snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756536.6U CN205046226U (en) | 2015-09-28 | 2015-09-28 | Single crystal silicon rod stone tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756536.6U CN205046226U (en) | 2015-09-28 | 2015-09-28 | Single crystal silicon rod stone tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205046226U true CN205046226U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520756536.6U Expired - Fee Related CN205046226U (en) | 2015-09-28 | 2015-09-28 | Single crystal silicon rod stone tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205046226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231033A (en) * | 2018-11-28 | 2019-01-18 | 江苏晶成光学有限公司 | A kind of silicon single crystal rod automatically grabs elevator |
-
2015
- 2015-09-28 CN CN201520756536.6U patent/CN205046226U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231033A (en) * | 2018-11-28 | 2019-01-18 | 江苏晶成光学有限公司 | A kind of silicon single crystal rod automatically grabs elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160224 Termination date: 20180928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |