CN202555846U - Rotary centre rest - Google Patents
Rotary centre rest Download PDFInfo
- Publication number
- CN202555846U CN202555846U CN2012201996590U CN201220199659U CN202555846U CN 202555846 U CN202555846 U CN 202555846U CN 2012201996590 U CN2012201996590 U CN 2012201996590U CN 201220199659 U CN201220199659 U CN 201220199659U CN 202555846 U CN202555846 U CN 202555846U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- clamping head
- rotary centre
- centre rest
- bearing sleeve
- 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
Links
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model provides a rotary centre rest which comprises a lathe box body, a cone bearing sleeve, a clamping head shaft sleeve and a clamping head and is characterized in that a needle bearing is arranged between the cone bearing sleeve and the clamping head shaft sleeve, so that direct abrasion between the cone bearing sleeve and the clamping head shaft sleeve can be avoided. Even the rotary centre rest reaches to the service life, a bearing only needs replacing, and the replacement is convenient and fast. The rotary centre rest has the advantages of simple structure, long service life, high precision and the like.
Description
Technical field
The utility model relates to a kind of lathe, relates in particular to the Rotation Center Rest that uses on a kind of lathe.
Background technology
Rip cutting is fixed from the centre frame standard configuration of the original employing of motor-car, when eccentric material of needs turning or garland material, at this moment must use Rotation Center Rest; Rotation Center Rest comprises the lathe casing, cone axis bearing sleeve, chuck axle sleeve and chuck at present; Be connected for smooth axial plane between said chuck axle sleeve and the cone axis bearing sleeve, though this structure precision is fine, cost is very high; And easy abrasion between chuck axle sleeve and the cone axis bearing sleeve, one of them can cause integral body to scrap after damaging.
The utility model content
The purpose of the utility model is exactly to above-mentioned situation, provides a kind of cost low, long service life, the Rotation Center Rest that precision is good.The purpose of the utility model can realize through following scheme: a kind of Rotation Center Rest; Comprise the lathe casing; The cone axis bearing sleeve; Chuck axle sleeve and chuck is characterized in that between cone axis bearing sleeve and chuck axle sleeve, being provided with needle bearing, can avoid the direct wearing and tearing between cone axis bearing sleeve and the chuck axle sleeve like this.Even when reaching service life, only need to change bearing, convenient and swift.
The utlity model has simple in structure, long service life, characteristics such as precision is good.
Description of drawings
Fig. 1, the utility model working state structure sketch map.
The specific embodiment
Map 1 can be known, a kind of Rotation Center Rest comprises lathe casing 1, cone axis bearing sleeve 2, and chuck axle sleeve 3 and chuck 4 is characterized in that between cone axis bearing sleeve 2 and chuck axle sleeve 3, being provided with needle bearing 5.
Claims (1)
1. a Rotation Center Rest comprises lathe casing (1), cone axis bearing sleeve (2), and chuck axle sleeve (3) and chuck (4) is characterized in that between cone axis bearing sleeve (2) and chuck axle sleeve (3), being provided with needle bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201996590U CN202555846U (en) | 2012-05-07 | 2012-05-07 | Rotary centre rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201996590U CN202555846U (en) | 2012-05-07 | 2012-05-07 | Rotary centre rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202555846U true CN202555846U (en) | 2012-11-28 |
Family
ID=47205548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201996590U Expired - Fee Related CN202555846U (en) | 2012-05-07 | 2012-05-07 | Rotary centre rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202555846U (en) |
-
2012
- 2012-05-07 CN CN2012201996590U patent/CN202555846U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20140507 |