CN204353490U - A kind of high accuracy plain spindle structure - Google Patents
A kind of high accuracy plain spindle structure Download PDFInfo
- Publication number
- CN204353490U CN204353490U CN201420859602.8U CN201420859602U CN204353490U CN 204353490 U CN204353490 U CN 204353490U CN 201420859602 U CN201420859602 U CN 201420859602U CN 204353490 U CN204353490 U CN 204353490U
- Authority
- CN
- China
- Prior art keywords
- rack sleeve
- combination bearing
- main shaft
- left end
- hand member
- 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
Abstract
The utility model discloses a kind of high accuracy plain spindle structure, main contents are: described front combination bearing is arranged on main shaft right-hand member, its inner ring left end is locked by front locking nut, its outer ring is arranged in rack sleeve endoporus, forward flange dish is arranged on rack sleeve right-hand member and is fixedly mounted on rack sleeve right side by screw, front adjustment ring flange is enclosed within rack sleeve right-hand member and its radial direction is provided with front adjustment screw, rack sleeve is fixedly mounted in main spindle box endoporus by seccotine, rear combination bearing is arranged on main shaft left end, its inner ring left end is locked by rear locking nut, its outer ring is arranged in rack sleeve endoporus, rear stub is arranged on rack sleeve left end and is fixedly mounted on rack sleeve left side by screw, rear adjustment ring flange is enclosed within rack sleeve left end and its radial direction is provided with rear adjustment screw.The utility model cost is low, and structure is simple, and the high and applied range of precision, described main spindle box does not need Precision Machining.
Description
Technical field
The utility model relates to spindle technology field, particularly relates to a kind of high accuracy plain spindle structure.
Background technology
Current, Digit Control Machine Tool occupies a tiny space at machine industry with high efficiency, high accuracy, high automation, and its advantage has promoted the development of field of machining.Therefore, very high to the required precision of numerical control lathe tool spindle box and main shaft, the bearings mounted endoporus place of most of main spindle box needs high precision apparatus to process and ensures precision, needs several equipment collaborate just can complete the processing of main spindle box body, comparatively time-consuming; Meanwhile, main spindle box body quality is large, volume large, effort.
Utility model content
According to above deficiency, the utility model provides that a kind of cost is low, the high good and high accuracy plain spindle structure of applied range of precision.
For achieving the above object, the utility model high accuracy plain spindle structure, main contents are: comprise main spindle box, rack sleeve, main shaft, front combination bearing, front locking nut, forward flange dish, rear combination bearing, rear locking nut, rear stub, front adjustment ring flange, front adjustment screw, rear adjustment ring flange and rear adjustment screw, it is characterized in that, described front combination bearing is arranged on main shaft right-hand member and its inner ring right-hand member withstands on main shaft right-hand member step, described front combination bearing inner ring left end is locked by being arranged on locking nut before on main shaft, described front combination bearing outer ring is arranged in rack sleeve endoporus and its left end is located by the step on rack sleeve, described forward flange dish is arranged on rack sleeve right-hand member and its left side withstands on right side, front combination bearing outer ring, described forward flange dish is fixedly mounted on rack sleeve right side by screw, described front adjustment ring flange is enclosed within rack sleeve right-hand member and its left side withstands on main spindle box right side, adjustment screw before adjustment ring flange radial direction being provided with before described, described rack sleeve is fixedly mounted in main spindle box endoporus by seccotine, described rear combination bearing is arranged on main shaft left end and its inner ring right-hand member withstands on main shaft left end step, described rear combination bearing inner ring left end is locked by the rear locking nut be arranged on main shaft, described rear combination bearing outer ring is arranged in rack sleeve endoporus, described rear stub is arranged on rack sleeve left end and its right side withstands on left side, rear combination bearing outer ring, described rear stub is fixedly mounted on rack sleeve left side by screw, described rear adjustment ring flange is enclosed within rack sleeve left end and its right side withstands on main spindle box left side, described rear adjustment ring flange radial direction is provided with rear adjustment screw.
As preferably, the magnitude of interference joined by described front combination bearing inner ring and rear combination bearing inner ring and main shaft list is all 0.002 ~ 0.005mm.
As preferably, gap joined by front combination bearing outer ring and rear combination bearing outer ring and rack sleeve endoporus list is all 0.003 ~ 0.006mm.
As preferably, described rack sleeve right-hand member has a positioning step.
As preferably, described alignment of shafts position is processed with axial bore.
The utility model beneficial effect is: cost is low, and structure is simple, and the high and applied range of precision, described main spindle box does not need Precision Machining.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Description of reference numerals:
1-main spindle box, 2-rack sleeve, 3-main shaft, combination bearing before 4-, locking nut before 5-, 6-forward flange dish, combination bearing after 7-, locking nut after 8-, 9-rear stub, adjustment ring flange before 10-, before 11-, adjustment screw, adjusts ring flange after 12-, adjusts screw after 13-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model detailed description of the invention is described:
These system main contents are: comprise main spindle box 1, rack sleeve 2, main shaft 3, front combination bearing 4, front locking nut 5, forward flange dish 6, rear combination bearing 7, rear locking nut 8, rear stub 9, front adjustment ring flange 10, front adjustment screw 11, rear adjustment ring flange 12 and rear adjustment screw 13, it is characterized in that, described front combination bearing 4 is arranged on main shaft 3 right-hand member and its inner ring right-hand member withstands on main shaft 3 right-hand member step, described front combination bearing 4 inner ring left end is locked by being arranged on locking nut 5 before on main shaft 3, described front combination bearing 4 outer ring is arranged in rack sleeve 2 endoporus and its left end is located by the step on rack sleeve 2, described forward flange dish 6 is arranged on rack sleeve 2 right-hand member and its left side withstands on right side, front combination bearing 4 outer ring, described forward flange dish 6 is fixedly mounted on rack sleeve 2 right side by screw, described front adjustment ring flange 10 is enclosed within rack sleeve 2 right-hand member and its left side withstands on main spindle box 1 right side, adjustment screw 11 before adjustment ring flange 10 radial direction being provided with before described, described rack sleeve 2 is fixedly mounted in main spindle box 1 endoporus by seccotine, described rear combination bearing 7 is arranged on main shaft 3 left end and its inner ring right-hand member withstands on main shaft 3 left end step, described rear combination bearing 7 inner ring left end is locked by the rear locking nut 8 be arranged on main shaft 3, described rear combination bearing 7 outer ring is arranged in rack sleeve 2 endoporus, described rear stub 9 is arranged on rack sleeve 2 left end and its right side withstands on left side, rear combination bearing 7 outer ring, described rear stub 9 is fixedly mounted on rack sleeve 2 left side by screw, described rear adjustment ring flange 12 is enclosed within rack sleeve 2 left end and its right side withstands on main spindle box 1 left side, described rear adjustment ring flange 12 radial direction is provided with rear adjustment screw 13.
Described Standard process is: combination bearing 4 before being provided with between the front end of main shaft 3 and rack sleeve 2, front locking nut 5; Combination bearing 7 after being provided with between the rear end of main shaft 3 and rack sleeve 2, rear locking nut 8; At main shaft 3 and the front end of rack sleeve 2, forward flange dish 6 is installed; At main shaft 3 and the rear end of rack sleeve 2, rear stub 9 is installed; Forward flange dish 6 and rear stub 9 are enclosed within main shaft 3, are fixed by screws on rack sleeve 2; After installing, accuracy detection is carried out to main shaft; First by complete for the adjustment of main shaft precision, then rack sleeve 2 assembly is loaded main spindle box body 1 to precalculated position, main spindle box body 1 is provided with front adjustment ring flange 10, front adjustment screw 11, rear adjustment ring flange 12 and rear adjustment screw 13, precision adjustment is carried out to rack sleeve 2 assembly and main shaft 3, after to be adjusted, above main spindle box body 1, gum-injecting port injects powerful assembly adhesive, parch etc. powerful assembly adhesive and can take off front adjustment ring flange 10, front adjustment screw 11, rear adjustment ring flange 12, rear adjustment screw 13, now main spindle box installs.
By reference to the accompanying drawings the utility model preferred embodiment is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (5)
1. a high accuracy plain spindle structure, comprise main spindle box (1), rack sleeve (2), main shaft (3), front combination bearing (4), front locking nut (5), forward flange dish (6), rear combination bearing (7), rear locking nut (8), rear stub (9), front adjustment ring flange (10), front adjustment screw (11), rear adjustment ring flange (12) and rear adjustment screw (13), it is characterized in that, described front combination bearing (4) is arranged on main shaft (3) right-hand member and its inner ring right-hand member withstands on main shaft (3) right-hand member step, described front combination bearing (4) inner ring left end is locked by the front locking nut (5) be arranged on main shaft (3), described front combination bearing (4) outer ring is arranged in rack sleeve (2) endoporus and its left end is located by the step on rack sleeve (2), described forward flange dish (6) is arranged on rack sleeve (2) right-hand member and its left side withstands on front combination bearing (4) right side, outer ring, described forward flange dish (6) is fixedly mounted on rack sleeve (2) right side by screw, described front adjustment ring flange (10) is enclosed within rack sleeve (2) right-hand member and its left side withstands on main spindle box (1) right side, adjustment screw (11) before adjustment ring flange (10) radial direction being provided with before described, described rack sleeve (2) is fixedly mounted in main spindle box (1) endoporus by seccotine, described rear combination bearing (7) is arranged on main shaft (3) left end and its inner ring right-hand member withstands on main shaft (3) left end step, described rear combination bearing (7) inner ring left end is locked by the rear locking nut (8) be arranged on main shaft (3), described rear combination bearing (7) outer ring is arranged in rack sleeve (2) endoporus, described rear stub (9) is arranged on rack sleeve (2) left end and its right side withstands on rear combination bearing (7) left side, outer ring, described rear stub (9) is fixedly mounted on rack sleeve (2) left side by screw, described rear adjustment ring flange (12) is enclosed within rack sleeve (2) left end and its right side withstands on main spindle box (1) left side, described rear adjustment ring flange (12) radial direction is provided with rear adjustment screw (13).
2. high accuracy plain spindle structure as claimed in claim 1, is characterized in that: the magnitude of interference singly joined by described front combination bearing (4) inner ring and rear combination bearing (7) inner ring and main shaft (3) is all 0.002 ~ 0.005mm.
3. high accuracy plain spindle structure as claimed in claim 1, is characterized in that: gap joined by front combination bearing (4) outer ring and rear combination bearing (7) outer ring and rack sleeve (2) endoporus list is all 0.003 ~ 0.006mm.
4. high accuracy plain spindle structure as claimed in claim 1, is characterized in that: described rack sleeve (2) right-hand member has a positioning step.
5. high accuracy plain spindle structure as claimed in claim 1, is characterized in that: described main shaft (3) center is processed with axial bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859602.8U CN204353490U (en) | 2014-12-29 | 2014-12-29 | A kind of high accuracy plain spindle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859602.8U CN204353490U (en) | 2014-12-29 | 2014-12-29 | A kind of high accuracy plain spindle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204353490U true CN204353490U (en) | 2015-05-27 |
Family
ID=53254987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420859602.8U Expired - Fee Related CN204353490U (en) | 2014-12-29 | 2014-12-29 | A kind of high accuracy plain spindle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204353490U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270571A (en) * | 2016-08-29 | 2017-01-04 | 北京超同步伺服股份有限公司 | Bearing assembly method for electro spindle |
| CN106334999A (en) * | 2016-11-05 | 2017-01-18 | 无锡机床股份有限公司 | Mounting Structure of Workpiece Spindle of aBearing Grinder |
| CN114309678A (en) * | 2021-12-14 | 2022-04-12 | 大连沅泓机械有限公司 | High-precision position-adjustable and double-side-locking spindle structure |
| CN114472940A (en) * | 2022-03-24 | 2022-05-13 | 安徽新诺精工股份有限公司 | Mechanism for installing and supporting main shaft unit of numerical control vertical turning center |
| CN114769630A (en) * | 2022-03-08 | 2022-07-22 | 埃斯科特钢有限公司 | Spindle structure of centerless lathe sizing device |
-
2014
- 2014-12-29 CN CN201420859602.8U patent/CN204353490U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270571A (en) * | 2016-08-29 | 2017-01-04 | 北京超同步伺服股份有限公司 | Bearing assembly method for electro spindle |
| CN106334999A (en) * | 2016-11-05 | 2017-01-18 | 无锡机床股份有限公司 | Mounting Structure of Workpiece Spindle of aBearing Grinder |
| CN114309678A (en) * | 2021-12-14 | 2022-04-12 | 大连沅泓机械有限公司 | High-precision position-adjustable and double-side-locking spindle structure |
| CN114769630A (en) * | 2022-03-08 | 2022-07-22 | 埃斯科特钢有限公司 | Spindle structure of centerless lathe sizing device |
| CN114472940A (en) * | 2022-03-24 | 2022-05-13 | 安徽新诺精工股份有限公司 | Mechanism for installing and supporting main shaft unit of numerical control vertical turning center |
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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: 20150527 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |