CN220881944U - Circular silicon core grinding cone machining clamp - Google Patents
Circular silicon core grinding cone machining clamp Download PDFInfo
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- CN220881944U CN220881944U CN202322602653.4U CN202322602653U CN220881944U CN 220881944 U CN220881944 U CN 220881944U CN 202322602653 U CN202322602653 U CN 202322602653U CN 220881944 U CN220881944 U CN 220881944U
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- silicon core
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000003754 machining Methods 0.000 title claims abstract description 24
- 210000000078 claw Anatomy 0.000 claims abstract description 16
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Mechanical Treatment Of Semiconductor (AREA)
Abstract
The utility model relates to the technical field of silicon core machining, in particular to a circular silicon core grinding cone machining clamp. The main technical scheme is as follows: a clamp for machining a round silicon core grinding cone comprises a main body; one end of the main body is provided with a claw groove; the jaw grooves are rectangular grooves which are bilaterally symmetrical; the other end of the main body is provided with a silicon core groove; the silicon core groove is of a semicircular groove structure; the center line of the silicon core groove is positioned on the symmetrical plane of the claw groove; the bottom of the silicon core groove is at a predetermined distance from the bottom of the jaw groove. The utility model can improve the reliability of the chuck jaws in positioning the round silicon core, improve the cone grinding effect on the round silicon core, further improve the product quality of the reduction furnace and reduce the loss.
Description
Technical Field
The utility model relates to the technical field of silicon core machining, in particular to a circular silicon core grinding cone machining clamp.
Background
In the production process of polysilicon, two grinding cones of a silicon core are generally required to be charged, one end of the grinding cones is connected with a graphite head of a reduction furnace, and the other end of the grinding cones is connected with a beam. In order to enable the silicon core to be in close contact with the graphite head, the electric conduction is convenient, the taper of the polished silicon core is required to be uniform, the length is consistent with the thickness, and the effect of the grinding cone directly influences the quality of products produced by the reduction furnace. The key of the cone grinding effect is the accuracy and the positioning reliability of the clamp. The existing grinding cone processing of the silicon core adopts chuck jaws for fixing, and the chuck jaws are in line contact with the silicon core, so that the action area is small, particularly, when a conical surface is ground, the silicon core is easy to slide backwards; if the silicon core is fastened by applying force, the phenomenon of pinch-off or pinch-off can occur, the qualification rate of processing the round silicon core is reduced, and the processing loss is increased.
Disclosure of utility model
In view of the above, the utility model provides a clamp for processing a circular silicon core grinding cone, which is mainly used for improving the reliability of chuck jaws in positioning the circular silicon core, improving the grinding cone effect on the circular silicon core, further improving the product quality of a reducing furnace and reducing the loss.
In order to achieve the above purpose, the present utility model mainly provides the following technical solutions:
the embodiment of the utility model provides a circular silicon core grinding cone machining clamp, which comprises a main body;
A claw groove is formed in one end of the main body; the claw grooves are rectangular grooves which are bilaterally symmetrical;
The other end of the main body is provided with a silicon core groove; the silicon core groove is of a semicircular groove structure; the center line of the silicon core groove is positioned on the symmetrical plane of the claw groove;
the bottom of the silicon core groove is a preset distance from the bottom of the clamping jaw groove.
Further, the main body is made of polypropylene.
Further, the main body is of a bilateral symmetry structure.
Further, the symmetry plane of the jaw groove coincides with the symmetry plane of the main body.
Further, the predetermined distance is 5 to 9mm.
Further, the diameter of the silicon core groove is larger than the width of the claw groove.
By means of the technical scheme, the circular silicon core grinding cone machining clamp has at least the following advantages:
The chuck jaw can improve the reliability of positioning the round silicon core, improve the cone grinding effect on the round silicon core, further improve the product quality of the reduction furnace and reduce the loss.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
Fig. 1 is a schematic front view of a circular silicon core grinding cone processing fixture according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a circular silicon core burr machining fixture according to an embodiment of the present utility model;
Fig. 3 is a schematic diagram of a circular silicon core grinding cone processing fixture in operation according to an embodiment of the present utility model.
The figure shows:
1 is the main body, 2 is the claw groove, 3 is the silicon core groove, 4 is the silicon core, and 5 is the claw.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
As shown in fig. 1 to 3, a circular silicon core burr machining jig according to an embodiment of the present utility model includes a main body 1; one end of the main body 1 is provided with a claw groove 2; the jaw groove 2 is used for being matched with a jaw 5 of the two-jaw chuck, and the jaw 5 of the two-jaw chuck is inserted into the jaw groove 2 to clamp the silicon core 4. The claw groove 2 is a rectangular groove which is symmetrical left and right so as to adapt to a destination claw structure; the other end of the main body 1 is provided with a silicon core groove 3; the silicon core groove 3 is of a semicircular groove structure; the diameter of the silicon core groove 3 can be selected according to the diameter of the silicon core 4 to be processed. The center line of the silicon core groove 3 is positioned on the symmetrical plane of the clamping jaw groove 2, so that the clamping pressure of the clamping jaw 5 on the silicon core 4 can act on the silicon core 4 through the silicon core groove 3; the bottom of the silicon core groove 3 is a preset distance from the bottom of the claw groove 2; the preferred predetermined distance is 5-9 mm to accommodate current chuck specifications.
According to the circular silicon core grinding cone machining clamp provided by the embodiment of the utility model, the circular silicon core grinding cone machining clamp is arranged on the clamping jaws 5 of the two-jaw chuck, the two clamps are respectively arranged on the two clamping jaws 5, and the position of the silicon core 4 is fixed through tightness of the chuck.
According to the clamp for machining the circular silicon core grinding cone, which is provided by the embodiment of the utility model, the reliability of the chuck jaws 5 for positioning the circular silicon core can be improved, the grinding cone effect on the circular silicon core is improved, the product quality of a reduction furnace is improved, and the loss is reduced.
Preferably, in the above embodiment, the main body 1 is made of polypropylene. The main body 1 is in direct contact with the silicon core 4, so that the silicon core 4 is not polluted, and the wear-resistant silicon core has the characteristic of wear resistance. The clamp belongs to a vulnerable part, and the polypropylene material has low cost and simple processing, so that the aim of reducing the cost of the vulnerable part can be fulfilled.
As a preferable example of the above embodiment, the main body 1 has a bilateral symmetry structure, so that the processing and the use are facilitated, and the distinction of the installation direction is not required. It is further preferable that the symmetry plane of the jaw groove 2 coincides with the symmetry plane of the main body 1, so as to facilitate processing and use.
As a preference to the above embodiment, the diameter of the silicon core slot 3 is larger than the width of the jaw slot 2 to achieve clamping of the large diameter silicon core 4.
According to the circular silicon core grinding cone machining clamp provided by the embodiment of the utility model, the silicon core groove 3 is fixed with the silicon core 4 through surface contact, so that the fastening degree of clamping is greatly improved through surface contact, and the phenomenon that the silicon core 4 slides backwards due to machining turning force when the silicon core 4 is machined, so that the machining taper is different in thickness is avoided; meanwhile, the chuck is fastened without special force, so that the silicon core 4 is prevented from being broken or damaged.
The circular silicon core grinding cone machining clamp provided by the embodiment of the utility model solves the problems of low taper qualification rate and high loss of a large-diameter silicon core 4, improves the productivity and improves the clean grade of products.
Further, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with these terms only being used to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, neither element nor element two is a sequence of elements only intended to distinguish one element from another element. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (6)
1. A clamp for machining a round silicon core grinding cone is characterized by comprising a main body;
A claw groove is formed in one end of the main body; the claw grooves are rectangular grooves which are bilaterally symmetrical;
The other end of the main body is provided with a silicon core groove; the silicon core groove is of a semicircular groove structure; the center line of the silicon core groove is positioned on the symmetrical plane of the claw groove;
the bottom of the silicon core groove is a preset distance from the bottom of the clamping jaw groove.
2. The circular silicon core burr machining jig of claim 1, wherein,
The main body is made of polypropylene.
3. The circular silicon core burr machining jig of claim 1, wherein,
The main body is of a bilateral symmetry structure.
4. A round silicon core burr machining jig according to claim 3, characterized in that,
The symmetry plane of the jaw groove coincides with the symmetry plane of the main body.
5. The circular silicon core burr machining jig of claim 1, wherein,
The predetermined distance is 5-9 mm.
6. The circular silicon core burr machining jig of claim 1, wherein,
The diameter of the silicon core groove is larger than the width of the claw groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322602653.4U CN220881944U (en) | 2023-09-25 | 2023-09-25 | Circular silicon core grinding cone machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322602653.4U CN220881944U (en) | 2023-09-25 | 2023-09-25 | Circular silicon core grinding cone machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220881944U true CN220881944U (en) | 2024-05-03 |
Family
ID=90878899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322602653.4U Active CN220881944U (en) | 2023-09-25 | 2023-09-25 | Circular silicon core grinding cone machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220881944U (en) |
-
2023
- 2023-09-25 CN CN202322602653.4U patent/CN220881944U/en active Active
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