CN204450200U - A kind of bearing inner race centring means - Google Patents
A kind of bearing inner race centring means Download PDFInfo
- Publication number
- CN204450200U CN204450200U CN201520048932.3U CN201520048932U CN204450200U CN 204450200 U CN204450200 U CN 204450200U CN 201520048932 U CN201520048932 U CN 201520048932U CN 204450200 U CN204450200 U CN 204450200U
- Authority
- CN
- China
- Prior art keywords
- bearing
- workpiece
- centring
- inner race
- centring means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of bearing inner race centring means, described centring means comprises centration axis and centring sleeve, described centering the tip of the axis is provided with alignment bearing, and described centring sleeve is arranged on described alignment bearing, and the profile being formed and match with the endoporus of workpiece that stretches out; Described centration axis runs through and has for compressing holding down assembly of described workpiece end face.A kind of bearing inner race centring means of the present utility model adopts alignment bearing to add centring sleeve centering, and workpiece pressing end face, centring sleeve can rotate with workpiece, can not scratch inner hole of workpiece.
Description
Technical field
The utility model relates to Superfinishing machine technical field, particularly relates to a kind of bearing inner race centring means.
Background technology
At present, when superfinishing is carried out to bearing inner race raceway groove, need an axial force and compress bearing inner race end face, and adopt the inner ring of supporting mechanism spring bearing to realize end face location, to ensure that bear inner ring grooved railway obtains good axial location precision.
As depicted in figs. 1 and 2, bearing inner race centring means of the prior art adds at bearing inner race and generally adopts interior centering pressure side face structure man-hour, namely under regular situation, interior centering generally adopts ceramic support frame 200 to support the endoporus of workpiece 100, this supporting mechanism easily scratches the endoporus of workpiece 100, have impact on the quality of workpiece 100.
Therefore, be necessary to improve further the structure of existing bearing inner race centring means, to overcome above-mentioned technological deficiency.
Utility model content
The technical problem that one, will solve
The purpose of this utility model is for the problems referred to above existing for prior art, spy provides a kind of bearing inner race centring means, centring sleeve in this centring means can rotate with workpiece, can not inner hole of workpiece be scratched, and then effectively can overcome the defect that prior art middle (center) bearing inner ring centring means exists easily scuffing inner hole of workpiece.
Two, technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of bearing inner race centring means, described centring means comprises centration axis and centring sleeve, described centering the tip of the axis is provided with alignment bearing, described centring sleeve is arranged on described alignment bearing, and the profile being formed and match with the endoporus of workpiece that stretches out; Described centration axis runs through and has for compressing holding down assembly of described workpiece end face.
In above-mentioned bearing inner race centring means, described in hold down assembly and comprise two compression bearings and connecting axle, described connecting axle is connected with described two described compression bearings after running through described centration axis respectively, is formed and compresses bearing group.
In above-mentioned bearing inner race centring means, the distance between two described compression bearings is less than the diameter of bore of described workpiece.
In above-mentioned bearing inner race centring means, described centring sleeve is provided with the installation cavity of corresponding described alignment bearing, described alignment bearing is positioned at described installation cavity.
In above-mentioned bearing inner race centring means, described alignment bearing is arranged on the end of described centration axis by end cap and securing member.
In above-mentioned bearing inner race centring means, between described end cap and described alignment bearing, be provided with packing ring.
Three, the beneficial effects of the utility model
Compared with prior art, a kind of bearing inner race centring means of the present utility model comprises centration axis and centring sleeve, centring sleeve to be arranged on alignment bearing the profile being formed and match with the endoporus of workpiece and it stretches out by alignment bearing, centring sleeve can be rotated with workpiece, can not inner hole of workpiece be scratched.A kind of bearing inner race centring means of the present utility model adopts alignment bearing to add centring sleeve centering, and workpiece pressing end face, centring sleeve can rotate with workpiece, can not scratch inner hole of workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of bearing inner race centring means of the prior art;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of the bearing inner race centring means of the utility model embodiment;
Wherein:
1 is centration axis, and 2 is centring sleeve, and 3 is alignment bearing, and 4 for holding down assembly, and 5 for compressing bearing, and 6 is connecting axle, and 7 is installation cavity, and 8 is end cap, and 9 is securing member;
100 is workpiece, and 200 is ceramic support frame.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
The structure of the bearing inner race centring means in the utility model embodiment as shown in Figure 3, comprise centration axis 1 and centring sleeve 2, the end of centration axis 1 is provided with alignment bearing 3, centring sleeve 2 is arranged on alignment bearing 3, and the profile being formed and match with the endoporus of workpiece 100 that stretches out, centring sleeve 2 can be rotated with workpiece 100, the endoporus of workpiece 100 can not be scratched.Particularly, centring sleeve 2 is provided with the installation cavity 7 of corresponding alignment bearing 3, alignment bearing 3 is positioned at installation cavity 7 and is arranged on the end of centration axis 1 by end cap 8 and securing member 9, is provided with packing ring between end cap 8 and alignment bearing 3.
Centration axis 1 runs through have and hold down assembly 4 for what compress described workpiece 100 end face.This holds down assembly and 4 comprises two compression bearings 5 and connecting axle 6, and connecting axle 6 is connected with two compression bearings 5 after running through centration axis 1 respectively, and formed and compress bearing group, the distance between two compression bearings 5 is less than the diameter of bore of workpiece 100.When wanting the end face of workpiece pressing 100, by drive unit, compression bearing group being pushed to the end face of workpiece 100, being compressed the end face of workpiece 100 by two compression bearings 5.
Centring sleeve 2 in bearing inner race centring means of the present utility model can rotate with workpiece 100, can not scratch the endoporus of workpiece 100.
As mentioned above, a kind of bearing inner race centring means of the present utility model comprises centration axis and centring sleeve, centring sleeve to be arranged on alignment bearing the profile being formed and match with the endoporus of workpiece and it stretches out by alignment bearing, centring sleeve can be rotated with workpiece, can not inner hole of workpiece be scratched.
A kind of bearing inner race centring means of the present utility model adopts alignment bearing to add centring sleeve centering, and workpiece pressing end face, centring sleeve can rotate with workpiece, can not scratch inner hole of workpiece.
Below be only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a bearing inner race centring means, it is characterized in that, described centring means comprises centration axis (1) and centring sleeve (2), the end of described centration axis (1) is provided with alignment bearing (3), described centring sleeve (2) is arranged on described alignment bearing (3), and the profile being formed and match with the endoporus of workpiece (100) that stretches out; Described centration axis (1) runs through hold down assembly (4) had for compressing described workpiece (100) end face.
2. bearing inner race centring means according to claim 1, it is characterized in that, described hold down assembly (4) comprise two compression bearings (5) and connecting axle (6), described connecting axle (6) is connected with described two described compression bearings (5) after running through described centration axis (1) respectively, is formed and compresses bearing group.
3. bearing inner race centring means according to claim 2, is characterized in that, the distance between two described compression bearings (5) is less than the diameter of bore of described workpiece (100).
4. bearing inner race centring means according to claim 1, it is characterized in that, described centring sleeve (2) is provided with the installation cavity (7) of corresponding described alignment bearing (3), described alignment bearing (3) is positioned at described installation cavity (7).
5. bearing inner race centring means according to claim 4, is characterized in that, described alignment bearing (3) is arranged on the end of described centration axis (1) by end cap (8) and securing member (9).
6. bearing inner race centring means according to claim 5, is characterized in that, is provided with packing ring between described end cap (8) and described alignment bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048932.3U CN204450200U (en) | 2015-01-23 | 2015-01-23 | A kind of bearing inner race centring means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048932.3U CN204450200U (en) | 2015-01-23 | 2015-01-23 | A kind of bearing inner race centring means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204450200U true CN204450200U (en) | 2015-07-08 |
Family
ID=53657145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520048932.3U Expired - Fee Related CN204450200U (en) | 2015-01-23 | 2015-01-23 | A kind of bearing inner race centring means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204450200U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522472A (en) * | 2016-01-17 | 2016-04-27 | 浙江陀曼智造科技有限公司 | Superfinishing machine |
| CN105856054A (en) * | 2016-06-02 | 2016-08-17 | 浙江天马轴承有限公司 | Bearing ring superfinishing tool and centering sleeve |
| CN111069982A (en) * | 2019-12-30 | 2020-04-28 | 中国航发哈尔滨轴承有限公司 | Lapping method for inner ring of thin-wall wide-raceway bearing |
-
2015
- 2015-01-23 CN CN201520048932.3U patent/CN204450200U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522472A (en) * | 2016-01-17 | 2016-04-27 | 浙江陀曼智造科技有限公司 | Superfinishing machine |
| CN105856054A (en) * | 2016-06-02 | 2016-08-17 | 浙江天马轴承有限公司 | Bearing ring superfinishing tool and centering sleeve |
| CN111069982A (en) * | 2019-12-30 | 2020-04-28 | 中国航发哈尔滨轴承有限公司 | Lapping method for inner ring of thin-wall wide-raceway bearing |
| CN111069982B (en) * | 2019-12-30 | 2021-10-15 | 中国航发哈尔滨轴承有限公司 | Lapping method for inner ring of thin-wall wide-raceway bearing |
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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: 20150708 Termination date: 20220123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |