CN204339601U - A kind of turbine abrasive grinding wheel - Google Patents
A kind of turbine abrasive grinding wheel Download PDFInfo
- Publication number
- CN204339601U CN204339601U CN201420802985.5U CN201420802985U CN204339601U CN 204339601 U CN204339601 U CN 204339601U CN 201420802985 U CN201420802985 U CN 201420802985U CN 204339601 U CN204339601 U CN 204339601U
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- China
- Prior art keywords
- arc
- turbine
- sections
- arc sections
- grinding wheel
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Abstract
A kind of turbine abrasive grinding wheel that the utility model provides, the utility model provides a kind of turbine abrasive grinding wheel, wherein, pole wheel connecting cylinder grinding part, cylinder grinding portion connects the first arc sections, first arc sections connects the second arc sections, second arc sections connects three-arc portion, three-arc portion connection header segmental arc, one end of the head segmental arc of this turbine abrasive grinding wheel is provided with notch cuttype hollow hole, the middle part of the second arc sections is provided with the little segmental arc of hump, and adopts tangent transition to be connected between the little segmental arc of hump and other segmental arc of the second arc sections.The utility model is according to the shape of each arc section of turbine root and relation, turbine abrasive grinding wheel is set to form by multiple different arc sections is integrated, emery wheel is set to hollow forge piece of step type structure, enable emery wheel enter each inner circle segmental arc of turbine root cleverly, achieve quick, the high-quality grinding to turbine root circular arc inner surface.
Description
Technical field
The utility model relates to a kind of abrasive grinding wheel structure, belongs to grinding technique field, particularly a kind of turbine abrasive grinding wheel.
Background technology
At present, turbine is when grinding, for the approximate ladder cylindrical structure of turbine root, common wheel grinding is very difficult, be difficult to reach required precision and grinding requirement, especially for each little Inner arc and transition arc of turbine root, be difficult to the wheel grinding that sampling is common, current emery wheel can interfere with turbine due to the structure of emery wheel, generally do not reach the segmental arc of required grinding circular arc at all, although also start the special abrasive grinding wheel of turbine having occurred that some are specifically designed to turbine at present, but, the structure of current existence is not unsatisfactory, be difficult to realize turbine, especially the high accuracy of each inner circle segmental arc of turbine root, high efficiency grinding.
For solving each above technical problem, a kind of turbine abrasive grinding wheel that the utility model provides, its structure is simple, easy to use, reliably, according to shape and the relation of each arc section of turbine root, turbine abrasive grinding wheel is set to form by multiple different arc sections is integrated, and, emery wheel is set to hollow forge piece of step type structure, emery wheel is enable to enter each inner circle segmental arc of turbine root cleverly, what achieve turbine root circular arc inner surface is quick, high-quality grinding, each arc sections adopts rounding off to coordinate by the utility model, effectively improve grinding accuracy and grinding quality, in addition, by being provided with the little segmental arc of hump at the middle part of the second arc sections, can realize each Inner arc surface of turbine root by the little segmental arc of hump, and effective grinding of each outer surface of turbine, effectively improve universal performance and the conformability of this turbine abrasive grinding wheel, reduce the design cost of turbine grinding, improve production efficiency.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model is just to provide a kind of turbine abrasive grinding wheel, and it comprises pole wheel, cylinder grinding portion, the first arc sections, the second arc sections, three-arc portion, head segmental arc, it is characterized in that, described pole wheel one end is connected to the one end in described cylinder grinding portion, the other end in described cylinder grinding portion is connected to one end of the first described arc sections, the other end of the first described arc sections is connected to one end of the second described arc sections, the other end of the second described arc sections is connected to the one end in described three-arc portion, the other end in described three-arc portion is connected to described head segmental arc, one end of the head segmental arc of described turbine abrasive grinding wheel is provided with notch cuttype hollow hole, the middle part of the second described arc sections is provided with the little segmental arc of hump, the arc angle of the little segmental arc of described hump is greater than 20 °, be less than 35 °, and adopt tangent transition to be connected between the little segmental arc of described hump and other segmental arc of described second arc sections.
Further, as preferentially, be provided with transition segmental arc one between the first described arc sections and the second described arc sections, described transition segmental arc one is contrary with the arcuate relief direction of described first arc sections.
Further, as preferentially, be provided with transition segmental arc two between the second described arc sections and described three-arc portion, described transition segmental arc two is contrary with the arcuate relief direction of described second arc sections.
Further, as preferentially, the external diameter of the first described arc sections is less than the external diameter of the second described arc sections.
Further, as preferentially, the external diameter of the second described arc sections is less than the external diameter in described three-arc portion.
Further, as preferentially, the external diameter in described three-arc portion is less than the external diameter of described head segmental arc.
Further, as preferentially, between described cylinder grinding portion and the first described arc sections, rounding is adopted to be connected.
The beneficial effects of the utility model: a kind of turbine abrasive grinding wheel that the utility model provides, its structure is simple, easy to use, reliably, according to shape and the relation of each arc section of turbine root, turbine abrasive grinding wheel is set to form by multiple different arc sections is integrated, and, emery wheel is set to hollow forge piece of step type structure, emery wheel is enable to enter each inner circle segmental arc of turbine root cleverly, what achieve turbine root circular arc inner surface is quick, high-quality grinding, each arc sections adopts rounding off to coordinate by the utility model, effectively improve grinding accuracy and grinding quality, in addition, by being provided with the little segmental arc of hump at the middle part of the second arc sections, can realize each Inner arc surface of turbine root by the little segmental arc of hump, and effective grinding of each outer surface of turbine, effectively improve universal performance and the conformability of this turbine abrasive grinding wheel, reduce the design cost of turbine grinding, improve production efficiency.
Accompanying drawing explanation
The structural representation of a kind of turbine abrasive grinding wheel that Fig. 1 provides for the utility model;
Wherein, 1, pole wheel; 2, cylinder grinding portion; 3, the first arc sections, the 4, second arc sections, 5, three-arc portion, 6, head segmental arc, 7, hollow hole, 8, transition segmental arc one, 9, transition segmental arc two, 10, the little segmental arc of hump.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model provides a kind of turbine abrasive grinding wheel, and it comprises pole wheel 1, cylinder grinding portion 2, first arc sections 3, second arc sections 4, three-arc portion 5, head segmental arc 6, pole wheel 1 one end is connected to the one end in cylinder grinding portion 2, the other end in cylinder grinding portion 2 is connected to one end of the first arc sections 3, the other end of the first arc sections 3 is connected to one end of the second arc sections 4, the other end of the second arc sections 4 is connected to the one end in three-arc portion 5, the other end in three-arc portion 5 is connected to head segmental arc 6, one end of the head segmental arc 6 of this turbine abrasive grinding wheel is provided with notch cuttype hollow hole 7, the middle part of the second arc sections 4 is provided with the little segmental arc 10 of hump, the arc angle of the little segmental arc 10 of hump is greater than 20 °, and be less than 35 °, and adopt tangent transition to be connected between the little segmental arc of hump 10 and other segmental arc of the second arc sections 4.
In the present embodiment, transition segmental arc 1 is provided with between first arc sections 3 and the second arc sections 4, transition segmental arc 1 is contrary with the arcuate relief direction of the first arc sections 3, transition segmental arc 29 is provided with between second arc sections 4 and described three-arc portion 5, transition segmental arc 29 is contrary with the arcuate relief direction of the second arc sections 4, the external diameter of the first arc sections 3 is less than the external diameter of the second arc sections 4, the external diameter of the second arc sections 4 is less than the external diameter in three-arc portion 5, and the external diameter in three-arc portion 5 is less than the external diameter of head segmental arc 6.Rounding is adopted to be connected between cylinder grinding portion 2 and the first arc sections 3.
The utility model is according to the shape of each arc section of turbine root and relation, turbine abrasive grinding wheel is set to form by multiple different arc sections is integrated, and, emery wheel is set to hollow forge piece of step type structure, emery wheel is enable to enter each inner circle segmental arc of turbine root cleverly, what achieve turbine root circular arc inner surface is quick, high-quality grinding, each arc sections adopts rounding off to coordinate by the utility model, effectively improve grinding accuracy and grinding quality, in addition, by being provided with the little segmental arc of hump at the middle part of the second arc sections, can realize each Inner arc surface of turbine root by the little segmental arc of hump, and effective grinding of each outer surface of turbine, effectively improve universal performance and the conformability of this turbine abrasive grinding wheel, reduce the design cost of turbine grinding, improve production efficiency.
Claims (7)
1. a turbine abrasive grinding wheel, it comprises pole wheel, cylinder grinding portion, the first arc sections, the second arc sections, three-arc portion, head segmental arc, it is characterized in that, described pole wheel one end is connected to the one end in described cylinder grinding portion, the other end in described cylinder grinding portion is connected to one end of the first described arc sections, the other end of the first described arc sections is connected to one end of the second described arc sections, the other end of the second described arc sections is connected to the one end in described three-arc portion, the other end in described three-arc portion is connected to described head segmental arc, one end of the head segmental arc of described turbine abrasive grinding wheel is provided with notch cuttype hollow hole, the middle part of the second described arc sections is provided with the little segmental arc of hump, the arc angle of the little segmental arc of described hump is greater than 20 °, be less than 35 °, and adopt tangent transition to be connected between the little segmental arc of described hump and other segmental arc of described second arc sections.
2. a kind of turbine abrasive grinding wheel according to claim 1, is characterized in that, is provided with transition segmental arc one between the first described arc sections and the second described arc sections, and described transition segmental arc one is contrary with the arcuate relief direction of described first arc sections.
3. a kind of turbine abrasive grinding wheel according to claim 1, is characterized in that, is provided with transition segmental arc two between the second described arc sections and described three-arc portion, and described transition segmental arc two is contrary with the arcuate relief direction of described second arc sections.
4. a kind of turbine abrasive grinding wheel according to claim 1, is characterized in that, the external diameter of the first described arc sections is less than the external diameter of the second described arc sections.
5. a kind of turbine abrasive grinding wheel according to claim 1, is characterized in that, the external diameter of the second described arc sections is less than the external diameter in described three-arc portion.
6. a kind of turbine abrasive grinding wheel according to claim 1, is characterized in that, the external diameter in described three-arc portion is less than the external diameter of described head segmental arc.
7. a kind of turbine abrasive grinding wheel according to any one of claim 1-6, is characterized in that, adopts rounding to be connected between described cylinder grinding portion and the first described arc sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802985.5U CN204339601U (en) | 2014-12-18 | 2014-12-18 | A kind of turbine abrasive grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802985.5U CN204339601U (en) | 2014-12-18 | 2014-12-18 | A kind of turbine abrasive grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204339601U true CN204339601U (en) | 2015-05-20 |
Family
ID=53222900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420802985.5U Expired - Fee Related CN204339601U (en) | 2014-12-18 | 2014-12-18 | A kind of turbine abrasive grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204339601U (en) |
-
2014
- 2014-12-18 CN CN201420802985.5U patent/CN204339601U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20161218 |