CN204997463U - Emery wheel actuating mechanism for centerless grinder - Google Patents
Emery wheel actuating mechanism for centerless grinder Download PDFInfo
- Publication number
- CN204997463U CN204997463U CN201520717251.1U CN201520717251U CN204997463U CN 204997463 U CN204997463 U CN 204997463U CN 201520717251 U CN201520717251 U CN 201520717251U CN 204997463 U CN204997463 U CN 204997463U
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- wheel spindle
- grinding wheel
- oil
- oil pressure
- pressure bearing
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- Expired - Fee Related
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Abstract
The utility model discloses an emery wheel actuating mechanism for centerless grinder, including grinding wheel spindle, the last cover of grinding wheel spindle is equipped with the grinding wheel spindle seat to be provided with drive assembly and emery wheel respectively at this grinding wheel spindle's both ends, rotate in order to drive the emery wheel through grinding wheel spindle, be provided with two oil pressure bearings between grinding wheel spindle and the grinding wheel spindle seat, two oil pressure bearing settings in the both sides of grinding wheel spindle seat, and this grinding wheel spindle and grinding wheel spindle seat separate each other and set up lieing in two parts between the oil pressure bearing, wherein, seted up the oil inlet on every oil pressure bearing respectively, and one side that the grinding wheel spindle seat was being kept away from to every oil pressure bearing is provided with the end cover separately to seal lubricating oil, the oil -out has been seted up under the grinding wheel spindle orientation for derive lubricating oil. The utility model discloses a reasonable structure setting can be with the radial running accuracy of grinding wheel spindle's rigidity to and axial positioning accuracy control is at reasonable within range.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, is specifically related to a kind of centerless grinder emery wheel driving mechanism.
Background technology
Grinding machine utilizes grinding tool to carry out the lathe of grinding to surface of the work, and centerless grinder is the class grinding machine not needing to adopt the axle center of workpiece and implement grinding.It operationally to contact with workpiece the grinding operation realized workpiece by using the emery wheel of High Rotation Speed.Be appreciated that, grinding machine operationally, the machining accuracy of its emery wheel is exposed for the grinding wheel stand of fixed emery wheel, and the direct impact for driving emery wheel to carry out the grinding wheel spindle rotated, specifically grinding wheel spindle rigidity radial rotary precision, the grinding accuracy of centerless grinder can be affected with the control of axial location precision, and service life.
At present, existing centerless grinder emery wheel driving mechanism, its grinding wheel spindle makes grinding wheel spindle rigidity radial rotary precision be difficult to meet the requirement used for the driving of emery wheel, and then have impact on the grinding accuracy of centerless grinder to workpiece, reduces service life.
Utility model content
The purpose of this utility model is the centerless grinder emery wheel driving mechanism for solving the problems of the technologies described above.
Particularly, a kind of centerless grinder emery wheel driving mechanism, comprises grinding wheel spindle, described grinding wheel spindle is arranged with wheel spindle stock, and be respectively arranged with driven unit and emery wheel at the two ends of this grinding wheel spindle, to drive emery wheel to rotate by grinding wheel spindle; Be provided with two oil pressure bearings between described grinding wheel spindle and wheel spindle stock, two described oil pressure bearings are arranged on the both sides of wheel spindle stock, and this grinding wheel spindle and wheel spindle stock are in the spaced setting of the part between two oil pressure bearings; Wherein, each oil pressure bearing offers oil-in respectively, and each oil pressure bearing is provided with end cover separately in the side away from wheel spindle stock, to seal the lubricating oil be directed between this oil pressure bearing and grinding wheel spindle by oil-in on oil pressure bearing; Described wheel spindle stock offers oil-out downwards, for being derived by lubricating oil.
As preferred version of the present utility model, described emery wheel driving mechanism comprises oil pressure pump further, for by lubricating oil from the oil-out pump drainage of wheel spindle stock to the oil-in of oil pressure bearing, to form oil circulation.
As preferred version of the present utility model, its external diameter of part be in described grinding wheel spindle between two oil pressure bearings is greater than the segment outer radius being contained in oil pressure bearing.
As preferred version of the present utility model, between described end cover and oil pressure bearing, be provided with sealing ring.
As preferred version of the present utility model, described oil-in is opened in the middle part of described oil pressure bearing.
As preferred version of the present utility model, described oil-out is opened in the middle part of described wheel spindle stock.
As preferred version of the present utility model, described driven unit comprises belt pulley and end cap, described end cap is arranged on a side end of grinding wheel spindle, and the middle part of this end cap is fixedly connected with grinding wheel spindle by the first bolt, periphery is bolted on belt pulley with multiple second, to drive grinding wheel spindle to rotate by belt pulley.
As preferred version of the present utility model, between described end cap and belt pulley, circular array shows multiple second bolt.
Due to the application of technique scheme, the utility model has following beneficial effect:
Centerless grinder emery wheel driving mechanism of the present utility model, by rational vibrational power flow, make when driving emery wheel to rotate by grinding wheel spindle, take lubricating oil as medium, between grinding wheel spindle, oil pressure bearing and wheel spindle stock, form oil circuit, like this to the rigidity radial rotary precision of grinding wheel spindle, and axial location precision controlling is in rational scope, and then improve the centerless grinder grinding accuracy operationally of this driving mechanism of application, extend service life.
Accompanying drawing explanation
The structural representation of the centerless grinder emery wheel driving mechanism that Fig. 1 provides for the utility model preferred embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the centerless grinder emery wheel driving mechanism 100 that the utility model preferred embodiment provides, comprise grinding wheel spindle 10, be set on grinding wheel spindle 10 and have wheel spindle stock 20, and the two ends being arranged on this grinding wheel spindle 10 are respectively arranged with driven unit 30 and emery wheel 40.
Be appreciated that the present embodiment operationally, described driven unit 30 drives emery wheel 40 to rotate by grinding wheel spindle 10, to realize carrying out the grinding operation to workpiece with emery wheel 40 when centerless grinder works.Two oil pressure bearings 50 are provided with between the grinding wheel spindle 10 of the present embodiment and wheel spindle stock 20, be appreciated that, two described oil pressure bearings 50 are specifically arranged on grinding wheel spindle 10 and wheel spindle stock 20 and overlap the both sides of part, and this grinding wheel spindle 10 and wheel spindle stock 20 are in the spaced setting of the part between two oil pressure bearings 50.
Each oil pressure bearing 50 of the present embodiment offers oil-in 51 respectively, and described wheel spindle stock 20 offers oil-out 21 downwards, and its bore of oil-in 51 wherein offered on oil pressure bearing 50 is little, can realize the effect of throttling.Further, described oil-in 51 is opened in the middle part of described oil pressure bearing 50, and the lubricating oil that oil-in 51 imports from oil pressure bearing 50 is flowed to both sides, to improve the lubricating efficiency of lubricating oil.Described oil-out 21 is opened in the middle part of described wheel spindle stock 20, is discharged by the lubricating oil that the oil pressure bearing 50 by both sides imports respectively.The present embodiment also comprises an oil pressure pump (not shown), for by lubricating oil from oil-out 21 pump drainage of wheel spindle stock 20 to the oil-in 51 of oil pressure bearing 50, to form oil circulation.
Be appreciated that, the each oil pressure bearing 50 of the present embodiment is provided with end cover 52 separately in the side away from wheel spindle stock 20, to seal the lubricating oil be directed between this oil pressure bearing 50 and grinding wheel spindle 10 by oil-in 51 on oil pressure bearing 50, further, sealing ring 53 is provided with between described end cover 52 and oil pressure bearing 50.The lubricating oil introduced from oil pressure bearing 50 oil-in 51 like this will flow along the direction away from end cover 52, and then realizes the lubrication to grinding wheel spindle 10, oil pressure bearing 50 and wheel spindle stock 20.Rest on the time of grinding wheel spindle 10, oil pressure bearing 50 to improve profit oil, its its external diameter of part be between two oil pressure bearings 50 of the grinding wheel spindle 10 of the present embodiment is greater than the segment outer radius being contained in oil pressure bearing 50.
As from the foregoing, described driven unit 30 is applied in this emery wheel driving mechanism 100, rotate for driving grinding wheel spindle 10, it specifically comprises belt pulley 31 and end cap 32, wherein said end cap 32 is arranged on a side end of grinding wheel spindle 10, and the middle part of this end cap 32 is fixedly connected with grinding wheel spindle 10 by the first bolt 33, multiple second bolt 34 of periphery is fixed on belt pulley 31, to drive grinding wheel spindle 10 to rotate by belt pulley 31.Further, described second bolt 34 to be fixed with belt pulley 31 end cap 32 with the fixed form of annular array and to be connected.
In sum, centerless grinder emery wheel driving mechanism of the present utility model, by rational vibrational power flow, make when driving emery wheel to rotate by grinding wheel spindle, take lubricating oil as medium, at grinding wheel spindle, oil circuit is formed between oil pressure bearing and wheel spindle stock, like this to the rigidity radial rotary precision of grinding wheel spindle, and axial location precision controlling is in rational scope, specifically can by the rigidity radial rotary precision of grinding wheel spindle, and axial location precision controlling is in the scope of 0.002mm, and then improve the centerless grinder grinding accuracy operationally of this driving mechanism of application, extend service life.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a centerless grinder emery wheel driving mechanism, comprises grinding wheel spindle, and described grinding wheel spindle is arranged with wheel spindle stock, and is respectively arranged with driven unit and emery wheel at the two ends of this grinding wheel spindle, to drive emery wheel to rotate by grinding wheel spindle; It is characterized in that: between described grinding wheel spindle and wheel spindle stock, be provided with two oil pressure bearings, two described oil pressure bearings are arranged on the both sides of wheel spindle stock, and this grinding wheel spindle and wheel spindle stock are in the spaced setting of the part between two oil pressure bearings; Wherein, each oil pressure bearing offers oil-in respectively, and each oil pressure bearing is provided with end cover separately in the side away from wheel spindle stock, to seal the lubricating oil be directed between this oil pressure bearing and grinding wheel spindle by oil-in on oil pressure bearing; Described wheel spindle stock offers oil-out downwards, for being derived by lubricating oil.
2. centerless grinder emery wheel driving mechanism according to claim 1, it is characterized in that: described emery wheel driving mechanism comprises oil pressure pump further, for by lubricating oil from the oil-out pump drainage of wheel spindle stock to the oil-in of oil pressure bearing, to form oil circulation.
3. centerless grinder emery wheel driving mechanism according to claim 1, is characterized in that: its external diameter of part be in described grinding wheel spindle between two oil pressure bearings is greater than the segment outer radius being contained in oil pressure bearing.
4. centerless grinder emery wheel driving mechanism according to claim 1, is characterized in that: be provided with sealing ring between described end cover and oil pressure bearing.
5. centerless grinder emery wheel driving mechanism according to claim 1, is characterized in that: described oil-in is opened in the middle part of described oil pressure bearing.
6. centerless grinder emery wheel driving mechanism according to claim 1, is characterized in that: described oil-out is opened in the middle part of described wheel spindle stock.
7. centerless grinder emery wheel driving mechanism according to claim 1, it is characterized in that: described driven unit comprises belt pulley and end cap, described end cap is arranged on a side end of grinding wheel spindle, and the middle part of this end cap is fixedly connected with grinding wheel spindle by the first bolt, periphery is bolted on belt pulley with multiple second, to drive grinding wheel spindle to rotate by belt pulley.
8. centerless grinder emery wheel driving mechanism according to claim 7, is characterized in that: between described end cap and belt pulley, circular array shows multiple second bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717251.1U CN204997463U (en) | 2015-09-16 | 2015-09-16 | Emery wheel actuating mechanism for centerless grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717251.1U CN204997463U (en) | 2015-09-16 | 2015-09-16 | Emery wheel actuating mechanism for centerless grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204997463U true CN204997463U (en) | 2016-01-27 |
Family
ID=55154368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520717251.1U Expired - Fee Related CN204997463U (en) | 2015-09-16 | 2015-09-16 | Emery wheel actuating mechanism for centerless grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204997463U (en) |
-
2015
- 2015-09-16 CN CN201520717251.1U patent/CN204997463U/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: 20160127 Termination date: 20200916 |