CN204431041U - The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality - Google Patents
The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality Download PDFInfo
- Publication number
- CN204431041U CN204431041U CN201420701034.9U CN201420701034U CN204431041U CN 204431041 U CN204431041 U CN 204431041U CN 201420701034 U CN201420701034 U CN 201420701034U CN 204431041 U CN204431041 U CN 204431041U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- cover
- housing
- bearing holder
- polished rod
- 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 provides the positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality, comprises mandrel, band jam nut, screw rod; Described mandrel is divided into three sections, respectively is mandrel first polished rod, mandrel second polished rod, mandrel the 3rd polished rod; Described mandrel second polished rod locates end face and mandrel axes normal; Mandrel first polished rod is provided with screw rod; Described band jam nut coordinates with screw rod to be installed; The left side of mandrel is provided with left end centre bore, and the right side of mandrel is provided with right-hand member centre bore.The grinding of the utility model bearing holder (housing, cover) all outer surfaces is in same positioning and clamping and completes, and ensure that the axiality of each cylindrical; Convenient mounting and clamping, after a centering, other operations are without the need to repeating centering; Be suitable for the Coupling bearing cover of different length, the range of work is wider.
Description
Technical field
The utility model relates to the positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality, belongs to field of machining.
Background technology
The ledge surface of cylindrical grinder machining shaft bearing sleeve, prior art is that bearing holder (housing, cover) left end outer surface clamped by Grinder bench chuck, with top withstand bearing holder (housing, cover) endoporus after, carry out grinding, then other with same mounting means grinding damping trough again, finally clamp outer surface processing left end outer surface, the method weak point is: 1. processing outer surface and damping trough can not complete in same clamped one time, and axiality is easily overproof; 2. after clamping, need to take a long time centering, greatly add and process non-cutting time, affect processing progress.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is the location technology providing a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality, the specifically positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality, to ensure to improve product percent of pass, shorten and process non-cutting time, greatly improve Product Precision and speed of production.
The utility model is achieved by the following technical programs.
A kind of effective control bearing holder (housing, cover) outer surface that the utility model provides and the positioning core axle of Silencing groove axiality, comprise mandrel, band jam nut, screw rod; Described mandrel is divided into three sections, respectively is mandrel first polished rod, mandrel second polished rod, mandrel the 3rd polished rod; Described mandrel second polished rod locates end face and mandrel axes normal; Mandrel first polished rod is provided with screw rod; Described band jam nut coordinates with screw rod to be installed; The left side of mandrel is provided with left end centre bore, and the right side of mandrel is provided with right-hand member centre bore.
Described mandrel the 3rd polished rod has flat type.
Also comprise positioning sleeve, positioning sleeve be sleeved on screw rod outer surface, the left side of described band jam nut.
The matching thread of described band jam nut and screw rod is the regular screw threads that pitch is less than 3mm.
The beneficial effects of the utility model are:
1. the grinding of bearing holder (housing, cover) all outer surfaces is in same positioning and clamping and completes, and ensure that the axiality of each cylindrical;
2. convenient mounting and clamping, after a centering, other operations are without the need to repeating centering;
3. be suitable for the Coupling bearing cover of different length, the range of work is wider.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Structural representation when Fig. 2 is the utility model use;
In figure: 1-mandrel, 2-positioning sleeve, 3-is with jam nut, 4-right-hand member centre bore, 5-screw rod, 6-mandrel first polished rod, 7-locates end face, 8-mandrel second polished rod, 9-mandrel the 3rd polished rod, 10-flat type, 11-left end centre bore, 12-bearing holder (housing, cover) left end endoporus, the left Silencing groove of 13-bearing holder (housing, cover), 14-bearing holder (housing, cover) outer surface, the right Silencing groove of 15-bearing holder (housing, cover), 16-bearing holder (housing, cover) right-hand member outer surface, 17-bearing holder (housing, cover) right-hand member endoporus, 18-Grinder bench tailstock centre, 19-bearing holder (housing, cover) left end outer surface, 20-installs transmission ring, 21-holding screw, 22-Grinder bench spindle top, 23-grinding machine spindle drive link.
Detailed description of the invention
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
A kind of effective control bearing holder (housing, cover) outer surface as shown in Figure 1 and the positioning core axle of Silencing groove axiality, comprise mandrel 1, band jam nut 3, screw rod 5; Described mandrel 1 is divided into three sections, respectively is mandrel first polished rod 6, mandrel second polished rod 8, mandrel the 3rd polished rod 9; Described mandrel second polished rod 8 is located end face 7 and mandrel 1 axes normal; Mandrel first polished rod 6 is provided with screw rod 5; Described band jam nut 3 coordinates with screw rod 5 to be installed; The left side of mandrel 1 is provided with left end centre bore 11, and the right side of mandrel 1 is provided with right-hand member centre bore 4.The smooth realization that can ensure adjustable-length is set thus.
Described mandrel the 3rd polished rod 9 has flat type 10.Be arranged through spanner clamping thus and be with jam nut to twisting, can ensure that part to be processed is fixed.
Also comprise positioning sleeve 2, positioning sleeve 2 be sleeved on screw rod 5 outer surface, the left side of described band jam nut 3.
The matching thread of described band jam nut 3 and screw rod 5 is the regular screw threads that pitch is less than 3mm.Ensure the bearing holder (housing, cover) of adjustment different length thus.
As shown in Figure 2, when the utility model uses, bearing holder (housing, cover) left end outer surface 19 is sleeved on mandrel 1 from the right-hand member of mandrel 1, the end face of bearing holder (housing, cover) left end endoporus 12 is near the location end face 7 on mandrel second polished rod 8, gap is had between bearing holder (housing, cover) left end endoporus 12 and mandrel second polished rod 8, positioning sleeve 2 is close to the left side of bearing holder (housing, cover) right-hand member endoporus 17, gap is had between bearing holder (housing, cover) right-hand member endoporus 17 and positioning sleeve, screw up with a wrench band jam nut 3, mandrel 1 and bearing holder (housing, cover) fill in aggregates after, mandrel 1 is arranged between the Grinder bench tailstock centre 18 of cylindrical grinder and Grinder bench spindle top 22, centering bearing holder (housing, cover), utilize the flat type 10 on mandrel the 3rd polished rod 9 to be fixed on by mandrel 1 and install in transmission ring 20, starting grinding machine makes grinding machine spindle drive link 23 rotate, moving mandrel and bearing holder (housing, cover) is with to rotate by screw 21, grinding bearing holder (housing, cover) left end outer surface 19, bearing holder (housing, cover) outer surface 14, bearing holder (housing, cover) right-hand member outer surface 16, the left Silencing groove 13 of bearing holder (housing, cover).
Claims (4)
1. one kind effectively controls the positioning core axle of bearing holder (housing, cover) outer surface and Silencing groove axiality, comprise mandrel (1), band jam nut (3), screw rod (5), it is characterized in that: described mandrel (1) is divided into three sections, respectively be mandrel first polished rod (6), mandrel second polished rod (8), mandrel the 3rd polished rod (9); Described mandrel second polished rod (8) is located end face (7) and mandrel (1) axes normal; Mandrel first polished rod (6) is provided with screw rod (5); Described band jam nut (3) coordinates with screw rod (5) installs; The left side of mandrel (1) is provided with left end centre bore (11), and the right side of mandrel (1) is provided with right-hand member centre bore (4).
2. the positioning core axle effectively controlling bearing holder (housing, cover) outer surface and Silencing groove axiality as claimed in claim 1, is characterized in that: described mandrel the 3rd polished rod (9) has flat type (10).
3. the positioning core axle effectively controlling bearing holder (housing, cover) outer surface and Silencing groove axiality as claimed in claim 1, it is characterized in that: also comprise positioning sleeve (2), positioning sleeve (2) be sleeved on screw rod (5) outer surface, the left side of described band jam nut (3).
4. the positioning core axle effectively controlling bearing holder (housing, cover) outer surface and Silencing groove axiality as claimed in claim 1, is characterized in that: the matching thread of described band jam nut (3) and screw rod (5) is the regular screw threads that pitch is less than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420701034.9U CN204431041U (en) | 2014-11-20 | 2014-11-20 | The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420701034.9U CN204431041U (en) | 2014-11-20 | 2014-11-20 | The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431041U true CN204431041U (en) | 2015-07-01 |
Family
ID=53598959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420701034.9U Expired - Fee Related CN204431041U (en) | 2014-11-20 | 2014-11-20 | The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493708A (en) * | 2014-11-20 | 2015-04-08 | 贵州汇强科技有限公司 | Positioning mandrel for effectively controlling coaxiality of bearing bushings and using method of positioning mandrel |
| CN107598590A (en) * | 2017-11-02 | 2018-01-19 | 中国航天科技集团公司烽火机械厂 | A kind of accurate frock for processing valve pocket hole and a kind of valve pocket process equipment |
-
2014
- 2014-11-20 CN CN201420701034.9U patent/CN204431041U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493708A (en) * | 2014-11-20 | 2015-04-08 | 贵州汇强科技有限公司 | Positioning mandrel for effectively controlling coaxiality of bearing bushings and using method of positioning mandrel |
| CN107598590A (en) * | 2017-11-02 | 2018-01-19 | 中国航天科技集团公司烽火机械厂 | A kind of accurate frock for processing valve pocket hole and a kind of valve pocket process equipment |
| CN107598590B (en) * | 2017-11-02 | 2023-08-25 | 四川航天烽火伺服控制技术有限公司 | Precise tool for machining valve sleeve hole and valve sleeve machining equipment |
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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: 20150701 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |