CN204935412U - For the emery wheel of machining crankshafts - Google Patents
For the emery wheel of machining crankshafts Download PDFInfo
- Publication number
- CN204935412U CN204935412U CN201520683653.4U CN201520683653U CN204935412U CN 204935412 U CN204935412 U CN 204935412U CN 201520683653 U CN201520683653 U CN 201520683653U CN 204935412 U CN204935412 U CN 204935412U
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- China
- Prior art keywords
- abrading block
- installation portion
- bifurcated
- base body
- emery wheel
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Abstract
The utility model discloses a kind of emery wheel for machining crankshafts, comprise grinding wheel base body and shaft hole, grinding wheel base body is the disk that cermet is made, the middle part of grinding wheel base body is provided with the cavity of annular, grinding wheel base body is divided into abrading block installation portion and the rotating shaft installation portion of ring-type by cavity, connected by radiating vane between abrading block installation portion and rotating shaft installation portion, in the middle part of rotating shaft installation portion, be provided with the shaft hole of band keyway; Abrading block installation portion is outside equipped with abrading block adhesive portion, and the cross section of abrading block adhesive portion is V-shaped, and abrading block adhesive portion is provided with the first bifurcated and the second bifurcated, and the first crotch is bonded with the first abrading block, and the second bifurcated outer end is provided with the second abrading block.This new structural design is reasonable, has good heat dispersion, excellent strength and stiffness, lightweight; Do not need to change the grinding that emery wheel can carry out crankshaft-flywheel and crankshaft flange continuously; Structure is simple, and cost is low, and grinding accuracy is high.
Description
Technical field
The utility model relates to a kind of emery wheel technical field, specifically a kind of emery wheel for machining crankshafts.
Background technology
In recent years, develop rapidly along with China's automobile, electronics, instrument etc. are manufacturing, high-speed and high-efficiency accurate grinding technology is greatly developed and is applied, a lot of manufacturer introduces high speed and super precision numerically control grinder from external one after another, and plain wheel cannot adapt to the instructions for use of this type of grinding machine due to its performance limitation.Bent axle has certain complexity due to its structure; each position all needs the emery wheel of corresponding requirements to go processing; therefore processing a bent axle will use multiple emery wheel to carry out processing just completing in batches, needs to shut down more when changing emery wheel, and frequent emery wheel of changing has had a strong impact on the working (machining) efficiency of bent axle.
In addition, when grinding bent axle, because each axle journal is with R angle, bent axle manufacturing firm is very strict to the required precision at R angle, requirement adds that precision is high, shape retention good, often kind of abrasive material has different purposes and characteristic, adopts the abrasive material of single material then not can solve the grinding accuracy problem at crankshaft journal and bent axle R angle.
Utility model content
The purpose of this utility model is to provide a kind of emery wheel for machining crankshafts, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of emery wheel for machining crankshafts, comprise grinding wheel base body and shaft hole, described grinding wheel base body is the disk that cermet is made, the middle part of described grinding wheel base body is provided with the cavity of annular, grinding wheel base body is divided into abrading block installation portion and the rotating shaft installation portion of ring-type by described cavity, connected by radiating vane between described abrading block installation portion and rotating shaft installation portion, in the middle part of described rotating shaft installation portion, be provided with the shaft hole of band keyway; Described abrading block installation portion is outside equipped with abrading block adhesive portion, the cross section of described abrading block adhesive portion is V-shaped, described abrading block adhesive portion is provided with the first bifurcated and the second bifurcated, described first crotch is bonded with the first abrading block, described first abrading block is Z-shaped, the lateral part on its top is bonded in the outer end of the first bifurcated, and the oblique part adhesive in the middle part of it is in the upside of the first bifurcated, and the lateral part bottom it is bonded in the end of the first bifurcated; Second bifurcated outer end is provided with the second abrading block.
As further program of the utility model: described abrading block installation portion is provided with multiple lightening hole, described lightening hole is 3-6.
As the utility model further scheme: described first abrading block is cube boron-nitride grinding-block.
As the utility model further scheme: the angle between the first bifurcated and the second bifurcated is 90 °.
As the utility model further scheme: described second abrading block is divided into three layers, middle level is white fused alumina abrasive material, and both sides, middle level are rose grain layer.
As the utility model further scheme: the thickness of described rose grain layer is the half of white fused alumina abrasive material.
Compared with prior art, the beneficial effects of the utility model are: described grinding wheel base body is that cermet is made, and metal-ceramic matrix has good heat dispersion, and excellent strength and stiffness, improve the durability of grinding wheel base body and the stability of processing dimension; Cavity and lightening hole are set, play loss of weight; Radiating vane is set, further improving radiating effect; Arrange the first abrading block and the second abrading block, the second abrading block is used for flywheel side and the boss of machining crankshafts, and the first abrading block machined crankshaft flange cylindrical, side and boss respectively; Described second abrading block is divided into three layers, middle level is white fused alumina abrasive material, both sides, middle level are rose grain layer, utilize the characteristic of the abrasive material of different levels to solve the grinding accuracy problem at crankshaft journal and bent axle R angle, have the advantage that structure is simple, cost is low, grinding accuracy is high.
In sum, this new structural design is reasonable, has good heat dispersion, and excellent strength and stiffness are lightweight; Do not need to change the grinding that emery wheel can carry out crankshaft-flywheel and crankshaft flange continuously; Structure is simple, and cost is low, and grinding accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the emery wheel for machining crankshafts.
Fig. 2 is the sectional view of the emery wheel for machining crankshafts.
Fig. 3 is the partial enlarged drawing at the emery wheel A place for machining crankshafts.
In figure: 1-first abrading block, 2-second abrading block, 21-white fused alumina abrasive material, 22-rose grain layer, 3-abrading block adhesive portion, 31-first bifurcated, 32-second bifurcated, 4-abrading block installation portion, 5-lightening hole, 6-rotating shaft installation portion, 7-shaft hole, 71-keyway, 8-cavity, 9-radiating vane.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-3, a kind of emery wheel for machining crankshafts, comprise grinding wheel base body and shaft hole 7, described grinding wheel base body is the disk that cermet is made, the middle part of described grinding wheel base body is provided with the cavity 8 of annular, grinding wheel base body is divided into abrading block installation portion 4 and the rotating shaft installation portion 6 of ring-type by described cavity 8, is connected between described abrading block installation portion 4 and rotating shaft installation portion 6 by radiating vane 9, is provided with the shaft hole 7 of band keyway 71 in the middle part of described rotating shaft installation portion 6; Described abrading block installation portion 4 is outside equipped with abrading block adhesive portion 3, the cross section of described abrading block adhesive portion 3 is V-shaped, described abrading block adhesive portion 3 is provided with the first bifurcated 31 and the second bifurcated 32, described first bifurcated 31 place is bonded with the first abrading block 1, described first abrading block 1 is in Z-shaped, the lateral part on its top is bonded in the outer end of the first bifurcated 1, and the oblique part adhesive in the middle part of it is in the upside of the first bifurcated 1, and the lateral part bottom it is bonded in the end of the first bifurcated 1; Second bifurcated 32 outer end is provided with the second abrading block 2.
Operation principle of the present utility model is: described grinding wheel base body is that cermet is made, and metal-ceramic matrix has good heat dispersion, and excellent strength and stiffness, improve the durability of grinding wheel base body and the stability of processing dimension; Cavity 8 and lightening hole 5 are set, play loss of weight; Radiating vane 9 is set, further improving radiating effect; Arrange the first abrading block 1 and the second abrading block 2, second abrading block 2 for the flywheel side of machining crankshafts and boss, the first abrading block 1 machined crankshaft flange cylindrical, side and boss respectively; Described second abrading block 2 is divided into three layers, middle level is white fused alumina abrasive material 21, both sides, middle level are rose grain layer 22, utilize the characteristic of the abrasive material of different levels to solve the grinding accuracy problem at crankshaft journal and bent axle R angle, have the advantage that structure is simple, cost is low, grinding accuracy is high.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. the emery wheel for machining crankshafts, comprise grinding wheel base body and shaft hole, it is characterized in that, described grinding wheel base body is the disk that cermet is made, the middle part of described grinding wheel base body is provided with the cavity of annular, grinding wheel base body is divided into abrading block installation portion and the rotating shaft installation portion of ring-type by described cavity, is connected between described abrading block installation portion and rotating shaft installation portion by radiating vane, is provided with the shaft hole of band keyway in the middle part of described rotating shaft installation portion; Described abrading block installation portion is outside equipped with abrading block adhesive portion, the cross section of described abrading block adhesive portion is V-shaped, described abrading block adhesive portion is provided with the first bifurcated and the second bifurcated, described first crotch is bonded with the first abrading block, described first abrading block is Z-shaped, the lateral part on its top is bonded in the outer end of the first bifurcated, and the oblique part adhesive in the middle part of it is in the upside of the first bifurcated, and the lateral part bottom it is bonded in the end of the first bifurcated; Second bifurcated outer end is provided with the second abrading block.
2. the emery wheel for machining crankshafts according to claim 1, is characterized in that, described abrading block installation portion is provided with multiple lightening hole, and described lightening hole is 3-6.
3. the emery wheel for machining crankshafts according to claim 1, is characterized in that, described first abrading block is cube boron-nitride grinding-block.
4. the emery wheel for machining crankshafts according to claim 1, is characterized in that, the angle between the first bifurcated and the second bifurcated is 90 °.
5. the emery wheel for machining crankshafts according to claim 1, is characterized in that, described second abrading block is divided into three layers, and middle level is white fused alumina abrasive material, and both sides, middle level are rose grain layer.
6. the emery wheel for machining crankshafts according to claim 5, is characterized in that, the thickness of described rose grain layer is the half of white fused alumina abrasive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683653.4U CN204935412U (en) | 2015-09-06 | 2015-09-06 | For the emery wheel of machining crankshafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683653.4U CN204935412U (en) | 2015-09-06 | 2015-09-06 | For the emery wheel of machining crankshafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204935412U true CN204935412U (en) | 2016-01-06 |
Family
ID=55002867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520683653.4U Expired - Fee Related CN204935412U (en) | 2015-09-06 | 2015-09-06 | For the emery wheel of machining crankshafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204935412U (en) |
-
2015
- 2015-09-06 CN CN201520683653.4U patent/CN204935412U/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 |
Granted publication date: 20160106 Termination date: 20160906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |