CN207376140U - A kind of segmented heavy hammer structure for protecting flexible axle - Google Patents
A kind of segmented heavy hammer structure for protecting flexible axle Download PDFInfo
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- CN207376140U CN207376140U CN201721259040.3U CN201721259040U CN207376140U CN 207376140 U CN207376140 U CN 207376140U CN 201721259040 U CN201721259040 U CN 201721259040U CN 207376140 U CN207376140 U CN 207376140U
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- guide rod
- seed crystal
- steel wire
- weight
- axle center
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Abstract
The utility model is related to the ancillary equipments of straight pulling silicon single crystal furnace growth apparatus, it is desirable to provide a kind of segmented heavy hammer structure for protecting flexible axle.This kind can protect the segmented heavy hammer structure of flexible axle to include guide rod, weight, seed crystal chuck, for connecting steel wire ropes and seed crystal.The utility model can completely cut off at steel wire tetherball end inside the inner chamber body of weight guide rod part, it is avoided to be contacted directly with inert gas in stove and hot environment, extend the service life of steel wire rope, it effectively prevents dropping accident because steel rope abrasion skids off the silicon rod that weight brings, improves production security；It is simultaneously graphite by the material design of the top guide rod of weight, greatly reduces the cost of entire counterweight component.
Description
Technical field
The utility model is the ancillary equipment field on straight pulling silicon single crystal furnace growth apparatus, and more particularly to one kind can be protected
The segmented heavy hammer structure of flexible axle.
Background technology
Single crystal growing furnace is that polysilicon is changed into indispensable equipment in monocrystalline silicon technical process, and monocrystalline silicon is as modern
The main support material of information-intensive society is one of current monocrystal material most important in the world, while it is also development computer
With the major function material of integrated circuit, photovoltaic generation and Solar use.
Single crystal growing furnace is in the environment of inert gas, and using graphite resistance heater, silicon materials are melted, and using vertical pulling
The equipment that method grows dislocation-free monocrystalline.Wherein weight is the component for connecting steel wire ropes and seed crystal, is single crystal growing furnace critical component
One of, generally it is made of graphite piece part, molybdenum materials matter part and stainless steel part.
With reference to shown in Fig. 1, the coupling part of steel wire rope 1-1 and weight 1-3 is that the ball end cap of steel wire rope 1-1 is entered weight 1-
At 3 upper end openings and in opening sleeve 1-2, since opening sleeve 1-2 is in inverted T-shape, under gravity hang weight 1-3
On opening sleeve 1-2, the connection of steel wire rope 1-1 and weight 1-3 is realized.The weight of this structure, since steel wire tetherball end is direct
In inert gas and hot environment, after wearing and squeezing for a long time, steel wire rope can skid off opening sleeve, fall
Stick accident, silicon rod drops the graphite piece that can be smashed in thermal field when serious, it could even be possible to quartz crucible and graphite crucible can be smashed, causes
Generation silicon leakage accident.
Therefore, how to change the connection mode of steel wire rope and weight, steel wire rope is enable effectively to prolong the service life, prevent
Seed crystal drops, and improves security, is technical staff's major issue urgently to be resolved hurrily.
Utility model content
The main purpose of the utility model is that overcoming deficiency of the prior art, one kind is provided and can ensure that and steel wire rope company
The weight-driven of the security reliability connect.In order to solve the above technical problems, the solution of the utility model is：
A kind of segmented heavy hammer structure for protecting flexible axle is provided, for connecting steel wire ropes and seed crystal, one end of steel wire rope
For ball end, the segmented heavy hammer structure for protecting flexible axle includes guide rod, weight, seed crystal chuck；
The centre of the weight is equipped with two groups of ventholes, is radial and axial venthole (aperture 6mm) respectively；Weight
Upper and lower part be respectively equipped with axle center hole (axle center hole is the threaded hole of M32), and (upper and lower part) axle center hole and axis
To venthole ensure it is concentric；
The guide rod is provided with inner cavity (aperture of inner cavity is 17mm), and the top of guide rod is also provided with axle center hole (top axle center hole
Aperture 8mm), and inner cavity and axle center hole ensure with one heart, the ball end of steel wire rope can pass through the axle center hole at the top of guide rod enter inner cavity；It leads
The interior intracavitary of bar is equipped with sheath and opening sleeve, and sheath and opening sleeve are used to fix the ball end of steel wire rope, and with guide rod inner cavity top
The step of transition position forms matching relationship；Two panels semi-ring is additionally provided in axle center hole at the top of guide rod, for limiting steel wire rope
The abrasion at steel wire tetherball end is reduced in position；The bottom of guide rod is connected in the axle center hole at the top of weight；
It is fixed at the top of the seed crystal chuck in the axle center hole of weight bottom；It is provided at the axle center of seed crystal chuck from top
The circular hole tapered to bottom, circular hole is interior to be used to clamp seed crystal；The top of seed crystal is additionally provided with graphite compression leg in circular hole, for pressing
Fasten seed crystal.
As a further improvement, the sheath is the sheath for the cylindrical structure for being provided with endoporus, and endoporus is two sector holes
The different endoporus in footpath, the aperture of top endoporus can guarantee that the ball end of steel wire rope passes through, the aperture energy and opening sleeve of lower part endoporus
Outer diameter matched.
As a further improvement, the opening sleeve is the opening sleeve for the cylindrical structure for being provided with endoporus, and endoporus be from
The gradually perforate of top to bottm, endoporus is completely open in the one side of opening sleeve, ensures that opening width is more than the rope diameter of steel wire rope.
As a further improvement, circular hole tapered in the seed crystal chuck, is formed by upper and lower two layers of cylindrical hole, close
The cylindrical hole internal diameter of seed crystal chuck bottom is less than the cylindrical hole internal diameter at the top of seed crystal chuck, and upper and lower two layers cylindrical
The intermediate adjacent in hole uses conical transition, and compared with axial angle of inclination, no more than 45 °, (the both ends diameter of seed crystal has circular cone
Difference, intermediate with conical surface transition, the conical surface meets≤45 ° with axial angle).
As a further improvement, the bottom of the guide rod is threadedly attached in the axle center hole at the top of weight, seed crystal
It is threadedly secured at the top of chuck in the axle center hole of weight bottom, i.e., guide rod, weight and seed crystal chuck can be dismantled
And assembling.
As a further improvement, the guide rod uses the guide rod of graphite material.
Compared with prior art, the beneficial effects of the utility model are：
The utility model can by steel wire tetherball end completely cut off inside the inner chamber body of weight guide rod part, avoid its with it is lazy in stove
Property gas and hot environment contact directly, extend the service life of steel wire rope, effectively prevent because steel rope abrasion skid off weight
It hammers the silicon rod that brings into shape to drop accident, improves production security；It is simultaneously graphite by the material design of the top guide rod of weight, greatly
The cost of entire counterweight component is reduced greatly.
Description of the drawings
Fig. 1 is original heavy hammer structure schematic diagram.
Fig. 2 is the structure diagram of the utility model.
Reference numeral in figure is：1-1 steel wire ropes；1-2 opening sleeves；1-3 weights；2-1 steel wire ropes；2-2 semi-rings；2-3 is led
Bar；2-4 sheaths；2-5 opening sleeves；2-6 weights；2-7 graphite compression legs；2-8 seed crystal chucks；2-9 seed crystals.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
A kind of segmented heavy hammer structure for protecting flexible axle as shown in Figure 2 includes guide rod 2-3, weight 2-6, seed crystal chuck
2-8, using segmentation structure, i.e. guide rod 2-3, weight 2-6 and seed crystal chuck 2-8 can be dismantled each.The segmentation of flexible axle can be protected
For formula heavy hammer structure for connecting steel wire ropes 2-1 and seed crystal 2-9, one end of steel wire rope 2-1 is ball end.
Weight 2-6 is specially：Venthole among weight 2-6 is two groups of radial and axial through holes, aperture 6mm；On
The axle center hole of portion and lower part is the threaded hole of M32, and upper and lower axle center hole and axial venthole ensure concentric.Weight 2-6 parts
On venthole can ensure that pressure is consistent in the pressure and stove of its inner cavity, is avoided because of pressure after monocrystalline stove evacuation
Damage of the pressure that difference generates to steel wire rope 2-1 balls end, enhances production security.
The bottom of guide rod 2-3 is threadedly attached in the axle center hole at the top of weight 2-6, and guide rod 2-3 is provided with inner cavity, axle center
Hole is specially：The inner cavity aperture of guide rod 2-3 is 17mm, top axle center hole aperture 8mm, and lumen orifice and axle center hole ensure with one heart；Steel
The ball end of cord 2-1 can pass through the axle center hole at the top of guide rod 2-3 to enter inner cavity.The interior intracavitary of guide rod 2-3 is equipped with sheath 2-4 and opens
Muzzle 2-5, sheath 2-4 and opening sleeve 2-5 are used to fixing the ball end of steel wire rope 2-1, and with the step surface shape of guide rod 2-3 inner chamber bodies
Into mating connection.Sheath 2-4 is specially：One cylindrical structure, endoporus are the two different circular holes in sector hole footpath, and top aperture can
It can be to pass through lower part aperture is matched with opening sleeve 2-5 outer diameters with the bulb for ensureing steel wire rope 2-1.Opening sleeve 2-5 is specific
For：One cylindrical structure, inside are gradually perforate from top to bottom, and the one side of opening sleeve 2-5 endoporus is completely open, need to ensure open
Mouth width degree is more than the rope diameter of steel wire rope 2-1.Two panels semi-ring 2-2 is additionally provided in axle center hole at the top of guide rod 2-3, utilizes two panels
Semi-ring 2-2 embraces the steel wire rope 2-1 at the top of guide rod 2-3, can reduce the abrasion at steel wire rope 2-1 balls end, and play stabilized steel
The effect that cord 2-1 swings.
The both ends diameter of seed crystal 2-9 is variant, and centre is conical surface transition, and the conical surface meets≤45 ° with axial angle；Seed crystal
It is threadedly secured at the top of chuck 2-8 in the axle center hole of weight 2-6 bottoms.It is provided at the axle center of seed crystal chuck 2-8 from top
Portion is formed to the tapered circular hole in bottom, tapered circular hole by upper and lower two layers of cylindrical hole, the circle close to seed crystal chuck 2-8 bottoms
Cylindrical hole internal diameter is less than the cylindrical hole internal diameter at the top of seed crystal chuck 2-8, and the centre of upper and lower two layers of cylindrical hole is adjacent
Using conical transition, circular hole is interior to be used to clamp seed crystal 2-9 at place.The top of seed crystal 2-9 is additionally provided with graphite compression leg 2- in circular hole
7, for being fixed seed crystal 2-9.Not only concentric locating is accurate for such structure, and make seed crystal chuck 2-8 and seed crystal 2-9 it
Between uniform force, avoid fractureing for seed crystal 2-9.
This kind can protect the segmented heavy hammer structure of flexible axle, and guide rod part uses graphite material, and weight part uses molybdenum materials
Matter, seed crystal jacket portion use graphite material.
During use：Steel wire rope 2-1 is first passed through into the axle center hole of guide rod 2-3, is then passed through sheath 2-4, from the side of opening sleeve 2-5
Face opening fits inside, and opening sleeve 2-5 lower faces then are fixed at steel wire rope 2-1 bulbs end, then steel wire rope 2-1 is up carried makes
It obtains opening sleeve 2-5, sheath 2-4, guide rod 2-3 to link together, semi-ring 2-2 is then embraced into steel wire rope 2-1, is inserted into guide rod 2-
In 3 axle center hole, the top of such weight 2-6, which is fixed, completes；Then guide rod 2-3 and weight 2-6 is carried out screw thread to tighten, then
In the small 2-8 of loading seed crystal chuck upside down of seed crystal 2-9, graphite compression leg 2-7 is placed into, finally by seed crystal chuck 2-8 and weight
2-6 lower threads connect, and so a whole set of counterweight component completes assembling.When weight 2-6 is connected with steel wire rope 2-1, steel wire rope 2-1 balls
End is hidden in inside guide rod 2-3, is isolated with external environment.
Finally it should be noted that listed above is only specific embodiment of the utility model.Obviously, this practicality is new
Type is not limited to above example, can also there is many variations.Those of ordinary skill in the art can be from disclosed in the utility model
All deformations for directly exporting or associating in content, are considered as the scope of protection of the utility model.
Claims (6)
1. a kind of segmented heavy hammer structure for protecting flexible axle, for connecting steel wire ropes and seed crystal, one end of steel wire rope is ball end,
It is characterized in that, the segmented heavy hammer structure for protecting flexible axle includes guide rod, weight, seed crystal chuck；
The centre of the weight is equipped with two groups of ventholes, is radial and axial venthole respectively；The upper and lower part of weight point
Not She You axle center hole, and axle center hole and axial venthole ensure it is concentric；
The guide rod is provided with inner cavity, and the top of guide rod is also provided with axle center hole, and inner cavity and axle center hole ensure concentric, the ball of steel wire rope
End can pass through the axle center hole at the top of guide rod to enter inner cavity；The interior intracavitary of guide rod is equipped with sheath and opening sleeve, and sheath and opening are applied mechanically
Matching relationship is formed in the ball end of fixed steel wire rope, and with the step of guide rod inner cavity top transition position；Axle center hole at the top of guide rod
Two panels semi-ring is inside additionally provided with, for carrying out /V to steel wire rope, reduces the abrasion at steel wire tetherball end；The bottom of guide rod is connected to weight
In the axle center hole in peen portion；
It is fixed at the top of the seed crystal chuck in the axle center hole of weight bottom；It is provided at the axle center of seed crystal chuck from top the bottom of to
The tapered circular hole in portion, circular hole is interior to be used to clamp seed crystal；The top of seed crystal is additionally provided with graphite compression leg in circular hole, solid for compressing
Determine seed crystal.
2. a kind of segmented heavy hammer structure for protecting flexible axle according to claim 1, which is characterized in that the sheath is
The sheath of the cylindrical structure of endoporus is provided with, and endoporus is the two different endoporus in sector hole footpath, the aperture of top endoporus can guarantee
The ball end of steel wire rope passes through, and the aperture of lower part endoporus can be matched with the outer diameter of opening sleeve.
A kind of 3. segmented heavy hammer structure for protecting flexible axle according to claim 1, which is characterized in that the opening sleeve
It is the opening sleeve for the cylindrical structure for being provided with endoporus, and endoporus is gradually perforate from top to bottom, endoporus is complete in the one side of opening sleeve
Open ensures that opening width is more than the rope diameter of steel wire rope.
A kind of 4. segmented heavy hammer structure for protecting flexible axle according to claim 1, which is characterized in that the seed chuck
Tapered circular hole in set is formed by upper and lower two layers of cylindrical hole, and the cylindrical hole internal diameter close to seed crystal chuck bottom is less than close
Cylindrical hole internal diameter at the top of seed crystal chuck, and the intermediate adjacent of upper and lower two layers of cylindrical hole is using conical transition, circular cone phase
It is not more than 45 ° for axial angle of inclination.
5. a kind of segmented heavy hammer structure for protecting flexible axle according to claim 1, which is characterized in that the guide rod
Bottom is threadedly attached in the axle center hole at the top of weight, and the axis of weight bottom is threadedly secured at the top of seed crystal chuck
In heart hole, i.e., guide rod, weight and seed crystal chuck can carry out disassembly and assembly.
6. a kind of segmented heavy hammer structure for protecting flexible axle according to claim 1 to 5 any one, feature exist
In the guide rod uses the guide rod of graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259040.3U CN207376140U (en) | 2017-09-28 | 2017-09-28 | A kind of segmented heavy hammer structure for protecting flexible axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259040.3U CN207376140U (en) | 2017-09-28 | 2017-09-28 | A kind of segmented heavy hammer structure for protecting flexible axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207376140U true CN207376140U (en) | 2018-05-18 |
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ID=62338201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721259040.3U Active CN207376140U (en) | 2017-09-28 | 2017-09-28 | A kind of segmented heavy hammer structure for protecting flexible axle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059151A (en) * | 2021-11-18 | 2022-02-18 | 深圳市毫欧电子有限公司 | Crystal pulling device for preparing heating electronic component |
-
2017
- 2017-09-28 CN CN201721259040.3U patent/CN207376140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059151A (en) * | 2021-11-18 | 2022-02-18 | 深圳市毫欧电子有限公司 | Crystal pulling device for preparing heating electronic component |
| CN114059151B (en) * | 2021-11-18 | 2022-08-02 | 深圳市毫欧电子有限公司 | Crystal pulling device for preparing heating electronic component |
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