CN210341120U - Novel zone-melting seed crystal clamping device - Google Patents
Novel zone-melting seed crystal clamping device Download PDFInfo
- Publication number
- CN210341120U CN210341120U CN201920989223.3U CN201920989223U CN210341120U CN 210341120 U CN210341120 U CN 210341120U CN 201920989223 U CN201920989223 U CN 201920989223U CN 210341120 U CN210341120 U CN 210341120U
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- chuck
- clamping
- seed crystal
- main body
- melting
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- 239000013078 crystal Substances 0.000 title claims abstract description 52
- 238000004857 zone melting Methods 0.000 title claims abstract description 23
- 238000013467 fragmentation Methods 0.000 abstract description 3
- 238000006062 fragmentation reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
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Abstract
The utility model provides a novel zone-melting seed crystal clamping device, which comprises a chuck rotating cap and a chuck main body, wherein the chuck rotating cap is sleeved outside the top of the chuck main body, and the chuck rotating cap is in threaded connection with the chuck main body; the top of the chuck body is provided with 4 clamping jaws with the same structure, and a clamping opening is formed between the clamping jaws; the chuck cap comprises a clamping part and a connecting part, the connecting part is in threaded connection with the chuck body, the clamping part is located above the connecting part, and the clamping part is of a conical sleeve structure. The novel zone-melting seed crystal clamping device has the advantages that the four jaw clamping openings can effectively and uniformly disperse the clamping force applied to the seed crystal to the four jaw clamping openings, and the acting force of each clamping head on the seed crystal is reduced; meanwhile, the screw thread is fastened through the torsion bar, so that the risk of seed crystal fragmentation caused by fastening the chuck by using a clamp is avoided.
Description
Technical Field
The utility model belongs to the holder field especially relates to a novel zone-melting seed crystal centre gripping device.
Background
In the process of pulling the zone-melting single crystal, the neck and the shoulder of the seeding pulling are the first step of the zone-melting pulling out door, the stability and the firmness of the clamping of the zone-melting seed crystal have great influence on the success rate of the shoulder expanding out door, the seed crystal is often broken in the seed crystal chuck because of the overlarge installation force in the process of installing the seed crystal by the traditional seed crystal chuck, and the broken seed crystal is extremely difficult to find, so that the production accident that the single crystal is melted and even collapsed because of the breakage of the seed crystal in the shoulder expanding process is often caused, the production efficiency is reduced, and the economic loss is caused.
Disclosure of Invention
In view of this, the utility model aims at providing a novel zone-melting seed crystal clamping device to reduce the cracked probability of seed crystal, improve the success rate of going out effectively, improve production efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a novel zone-melting seed crystal clamping device comprises a chuck rotating cap and a chuck main body, wherein the chuck rotating cap is sleeved on the outer side of the top of the chuck main body and is in threaded connection with the chuck main body;
the top of the chuck body is provided with 4 clamping jaws with the same structure, and a clamping opening is formed between the clamping jaws;
the chuck cap comprises a clamping part and a connecting part, the connecting part is in threaded connection with the chuck body, the clamping part is located above the connecting part, and the clamping part is of a conical sleeve structure.
Furthermore, the clamping jaws are provided with clamping surfaces and stress surfaces, the clamping surfaces are positioned on the inner sides of the clamping jaws, the stress surfaces are positioned on the outer sides of the clamping jaws, and the stress surfaces are matched with the clamping parts of the chuck screw caps.
Furthermore, the clamping surface is of a cambered surface structure.
Furthermore, the chuck body is provided with an external thread, and the external thread is positioned below the clamping jaw.
Furthermore, an internal thread matched with the external thread is arranged in the connecting part of the chuck screw cap.
Furthermore, 2 first torsion bars are arranged on the connecting part of the chuck screwing cap, and the first torsion bars are respectively fixed on two sides of the chuck screwing cap.
Furthermore, the chuck body is provided with 2 second torsion bars which are respectively fixed on two sides of the chuck body.
Furthermore, the lower end of the chuck main body is also provided with a positioning hole, and the center line of the positioning hole is superposed with the center line of the chuck main body.
Furthermore, the positioning hole is a tapered hole.
Furthermore, the central line of the clamping opening is superposed with the central line of the chuck main body.
Compared with the prior art, the novel zone-melting seed crystal clamping device has the following advantages:
the novel zone-melting seed crystal clamping device has the advantages that the four jaw clamping openings can effectively and uniformly disperse the clamping force applied to the seed crystal to the four jaw clamping openings, and the acting force of each clamping head on the seed crystal is reduced; meanwhile, the screw thread is fastened through the torsion bar, so that the risk of seed crystal fragmentation caused by fastening the chuck through a clamp is avoided, the probability of seed crystal fragmentation is reduced on the premise of not influencing the seed crystal clamping stability, the success rate of seed crystal outgoing is effectively improved, and the production efficiency is improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a clamping device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a chuck cap according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a chuck body according to an embodiment of the present invention;
fig. 4 is a schematic structural view of another view angle of the chuck body according to the embodiment of the present invention;
FIG. 5 is a top view of a chuck body according to an embodiment of the present invention;
fig. 6 is a schematic view of a usage status of the clamping device according to an embodiment of the present invention.
Description of reference numerals:
1. a chuck cap is screwed; 11. a clamping portion; 12. a connecting portion; 121. an internal thread; 13. a first torsion bar; 2. a chuck body; 21. a clamping jaw; 211. a clamping surface; 212. a stress surface; 22. clamping the opening; 23. an external thread; 24. a second torsion bar; 25. positioning holes; 3. an inner shaft tip; 4. and (5) seed crystal.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-6, a novel zone-melting seed crystal clamping device comprises a chuck screw cap 1 and a chuck main body 2, wherein the chuck screw cap 1 is sleeved on the outer side of the top of the chuck main body 2, and the chuck screw cap 1 is in threaded connection with the chuck main body 2;
the top of the chuck body 2 is provided with 4 clamping jaws 21 with the same structure, and a clamping opening 22 is arranged between the clamping jaws 21; the four-jaw chuck 22 can effectively and uniformly disperse the clamping force borne by the seed crystal 4 to the four chucks 22, and the partial acting force of each chuck on the seed crystal 4 is reduced.
The chuck cap 1 comprises a clamping part 11 and a connecting part 12, the connecting part 12 is in threaded connection with the chuck body 2, the clamping part 11 is located above the connecting part 12, and the clamping part 11 is of a conical sleeve structure. The tapered clamping portion 11 is matched with the force bearing surface 212 of the clamping jaw 21, and the clamping portion 11 holds the four clamping jaws 21 tightly by tightening the screw thread, thereby stably clamping the seed crystal 4.
The clamping jaws 21 are respectively provided with a clamping surface 211 and a stress surface 212, the clamping surfaces 211 are positioned on the inner sides of the clamping jaws 21, the stress surfaces 212 are positioned on the outer sides of the clamping jaws 21, and the stress surfaces 212 are matched with the clamping part 11 of the chuck screw cap 1.
The clamping surface 211 is an arc surface structure. So that the holding device can use both cylindrical seed crystals and rectangular parallelepiped seed crystals.
The chuck body 2 is provided with an external thread 23, and the external thread 23 is positioned below the clamping jaw 21.
The connecting part 12 of the chuck screw cap 1 is internally provided with an internal thread 121 matched with the external thread 23.
The connecting part 12 of the chuck cap 1 is provided with 2 first torsion bars 13, and the first torsion bars 13 are respectively fixed on two sides of the chuck cap 1.
The chuck body 2 is provided with 2 second torsion bars 24, and the second torsion bars 24 are respectively fixed on two sides of the chuck body 2. The second torsion bar 24 is located below the external thread 23, and the thread is fastened through the torsion bar, so that the risk that the seed crystal 4 is cracked due to the fact that a clamp is used for fastening a chuck is avoided, the probability that the seed crystal 4 is cracked is further reduced on the premise that the clamping stability of the seed crystal 4 is not affected, the success rate of going out is effectively improved, and the production efficiency is improved.
The lower end of the chuck main body 2 is also provided with a positioning hole 25, and the center line of the positioning hole 25 is superposed with the center line of the chuck main body 2. The positioning hole 25 is used for connecting and positioning the clamping device with the inner shaft pivot 3.
The positioning hole 25 is a tapered hole. The tapered hole ensures that the shaft tip 3 of the inner shaft is inserted more and more tightly, and the two are matched more and more stably.
The central line of the clamping opening 22 is coincident with the central line of the chuck main body 2. And then make 4 clamping jaws 21 unanimous to the effort size of seed crystal 4, guarantee that seed crystal 4 atress is even.
When the chuck is used, the chuck screw cap 1 is screwed off, the seed crystal 4 is placed in the clamping opening 22, the chuck screw cap 1 is sleeved in from the four clamping jaws 21, the threads are screwed by the torsion bar, so that the chuck screw cap 1 holds the 4 clamping jaws 21 tightly, and the seed crystal 4 is stably clamped; the clamping device is then mounted on the inner spindle nose 3 through the positioning hole 25 in the lower part of the chuck body 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel zone-melting seed crystal centre gripping device which characterized in that: the chuck is sleeved outside the top of the chuck main body, and the chuck rotating cap is in threaded connection with the chuck main body;
the top of the chuck body is provided with 4 clamping jaws with the same structure, and a clamping opening is formed between the clamping jaws;
the chuck cap comprises a clamping part and a connecting part, the connecting part is in threaded connection with the chuck body, the clamping part is located above the connecting part, and the clamping part is of a conical sleeve structure.
2. The novel zone-melting seed crystal holding device as claimed in claim 1, wherein: the clamping jaw is provided with a clamping surface and a stress surface, the clamping surface is positioned on the inner side of the clamping jaw, the stress surface is positioned on the outer side of the clamping jaw, and the stress surface is matched with the clamping part of the chuck screw cap.
3. The novel zone-melting seed crystal holding device as claimed in claim 2, wherein: the clamping surface is of a cambered surface structure.
4. The novel zone-melting seed crystal holding device as claimed in claim 1, wherein: the chuck body is provided with an external thread, and the external thread is positioned below the clamping jaw.
5. The novel zone-melting seed crystal holding device as claimed in claim 4, wherein: the connecting part of the chuck screw cap is internally provided with an internal thread matched with the external thread.
6. The novel zone-melting seed crystal holding device as claimed in claim 1, wherein: the connecting part of the chuck screw cap is provided with 2 first torsion bars which are respectively fixed at two sides of the chuck screw cap.
7. The novel zone-melting seed crystal holding device as claimed in claim 6, wherein: the chuck body is provided with 2 second torsion bars which are respectively fixed on two sides of the chuck body.
8. The novel zone-melting seed crystal holding device as claimed in claim 1, wherein: the lower end of the chuck main body is also provided with a positioning hole, and the center line of the positioning hole is superposed with the center line of the chuck main body.
9. The novel zone-melting seed crystal holding device as claimed in claim 8, wherein: the positioning hole is a conical hole.
10. The novel zone-melting seed crystal holding device as claimed in claim 1, wherein: the central line of the clamping opening is superposed with the central line of the chuck main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989223.3U CN210341120U (en) | 2019-06-27 | 2019-06-27 | Novel zone-melting seed crystal clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989223.3U CN210341120U (en) | 2019-06-27 | 2019-06-27 | Novel zone-melting seed crystal clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210341120U true CN210341120U (en) | 2020-04-17 |
Family
ID=70191369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920989223.3U Active CN210341120U (en) | 2019-06-27 | 2019-06-27 | Novel zone-melting seed crystal clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210341120U (en) |
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2019
- 2019-06-27 CN CN201920989223.3U patent/CN210341120U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220425 Address after: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Park (outside the ring) Hai Tai Road 12 Patentee after: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Patentee after: Zhonghuan leading semiconductor materials Co.,Ltd. Address before: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Area (outside the ring) Hai Tai Road 12 inside. Patentee before: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Park (outside the ring) Hai Tai Road 12 Patentee after: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Country or region after: China Patentee after: Zhonghuan Leading Semiconductor Technology Co.,Ltd. Address before: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Park (outside the ring) Hai Tai Road 12 Patentee before: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: Zhonghuan leading semiconductor materials Co.,Ltd. |