CN202668460U - Automatic centering device - Google Patents
Automatic centering device Download PDFInfo
- Publication number
- CN202668460U CN202668460U CN 201220308933 CN201220308933U CN202668460U CN 202668460 U CN202668460 U CN 202668460U CN 201220308933 CN201220308933 CN 201220308933 CN 201220308933 U CN201220308933 U CN 201220308933U CN 202668460 U CN202668460 U CN 202668460U
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- CN
- China
- Prior art keywords
- joint
- diameter
- valve jacket
- abutment sleeve
- hole
- 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 relates to an automatic centering device which comprises a locating sleeve and flexible supports, wherein the locating sleeve consists of an upper half part and a lower half part; the three flexible supports which are respectively distributed at an angle of 120 DEG with one another are fixedly arranged at the lower part of the locating sleeve; each of the flexible supports comprises a joint, a shell cover, a spring and a spherical support; the spherical support comprises a guide rod, a projecting edge and a spherical contact head; the joint consists of a guide part and a fixing part; the fixing part is sheathed in one end of the shell cover and fixed by the shell cover, and a sliding groove is arranged in the center position of the bottom of the fixing part; the guide rod and the projecting edge of the spherical support are arranged in the shell cover, the spherical contact head penetrates out from a hole at the other end of the shell cover, and the diameter of the projecting edge is bigger than the diameter of the hole; and part of the guide rod is inserted in the sliding groove of the fixing part on the joint, and the spring is sheathed on the guide rod. The problems of low accuracy and inconvenience in installation when workpieces of different diameters are coaxially assembled are effectively solved.
Description
Technical field
The utility model relates to a kind of centring means of assembling, particularly a kind of self-centering apparatus.
Background technology
The machinery assembling is the important process process of final decision mechanical product quality in the machine-building.Even whole qualified parts if assemble improperly, often can not form up-to-standard product.And in the assembly shop; require coaxial situation after often can running into several Assembly of the parts; traditional way usually is to adopt the plug location; if but run into the cylinder of different-diameter; then the requirement of the axiality of each section of plug will be very high, and need to make the coaxial assembling that a large amount of plugs adapts to various different-diameters.
The utility model content
The purpose of this utility model provides a kind of simple in structure, easily and effectively and can adapt to the self-centering apparatus of various different inner diameters workpiece assembling.
The technical scheme that realizes the utility model purpose is: the utility model comprises abutment sleeve and resiliency supported; Described abutment sleeve is comprised of the first half and the latter half; The lower part of described abutment sleeve is fixed with three resiliency supported that are separately 120 ° of distributions.
Above-mentioned resiliency supported comprises joint, valve jacket, spring and spherical support; Described spherical support comprises guide post, convex edge and sphere contact; Described joint is comprised of targeting part and standing part; Described standing part is inserted in valve jacket one end and fixing, and the bottom centre position of standing part is provided with sliding tray; Guide post and the convex edge of described spherical support are arranged in the valve jacket, and the sphere contact passes from the hole of the valve jacket other end, and the diameter of convex edge is greater than hole diameter; Described guide post has part to intert in the sliding tray of on joint standing part, and cover has spring on the guide post, and the diameter of spring is greater than the diameter of the sliding tray diameter less than the convex edge.
The diameter of the first half of above-mentioned abutment sleeve is less than the diameter of the latter half.
The fixing end of above-mentioned valve jacket and joint is provided with two holes that are relatively fixed, and correspondingly on the standing part of joint is provided with two fixing holes, passes fixing hole by screw valve jacket and joint are fixed together.
The latter half of above-mentioned abutment sleeve is provided with three connecting holes that are separately 120 ° of distributions; The joint of described resiliency supported is inserted in the connecting hole, and joint and connecting hole are interference fit.
The utlity model has positive effect: (1) the utility model is simple in structure, determine that according to 3 the principle of a circle can be applicable to the coaxial assembling of the workpiece of different-diameter; (2) the utility model is because the existence of flexible supporting, so that abutment sleeve can be positioned on two workpiece coaxial automatically, operate very simply, and efficient is very high, and the scope that is suitable for is also wider.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and the below is described in further detail the utility model, wherein according to specific embodiment also by reference to the accompanying drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of resiliency supported.
The specific embodiment
See Fig. 1 to Fig. 3, the utility model comprises abutment sleeve 1 and resiliency supported 2; Described abutment sleeve 1 is comprised of the first half 11 and the latter half 12; The diameter of the first half 11 of described abutment sleeve 1 is less than the diameter of the latter half 12; Described resiliency supported 2 comprises joint 21, valve jacket 22, spring 23 and spherical support 24; Described spherical support 24 comprises guide post 241, convex edge 242 and sphere contact 243; Described joint 21 is comprised of targeting part 211 and standing part 212; Described standing part 212 is inserted in valve jacket 22 1 ends and fixing, and the bottom centre position of standing part 212 is provided with sliding tray 213; Described valve jacket 22 and joint 21 fixing ends are provided with two holes that are relatively fixed, and correspondingly on the standing part 212 of joint 21 are provided with two fixing holes, pass fixing hole by screw 3 valve jacket 22 and joint 21 are fixed together; Guide post 241 and the convex edge 242 of described spherical support 24 are arranged in the valve jacket 22, and sphere contact 243 passes from the hole of valve jacket 22 other ends, and the diameter of convex edge 242 is greater than hole diameter; Described guide post 241 has part to intert in the sliding tray 213 of on joint 21 standing part 212, and cover has spring 23 on the guide post 241, and the diameter of spring 23 is greater than the diameter of sliding tray 213 diameter less than convex edge 242; The latter half 12 of described abutment sleeve 1 is provided with three connecting holes that are separately 120 ° of distributions; The joint 21 of described resiliency supported 2 is inserted in the connecting hole, and the connecting hole on joint 21 and the abutment sleeve 1 is interference fit.
During the coaxial assembling of different-diameter workpiece, workpiece A can be enclosed within the first half 11 of abutment sleeve 1, then workpiece B is enclosed within the latter half 12 of the abutment sleeve 1 that is connected with three resiliency supported 2, because the elastic force effect of three resiliency supported 2, so that three resiliency supported 2 keep in touch with the hole of workpiece B all the time, and for the some contact, according to 3 principles that determine a circle, realize self-centering, thereby realize that workpiece A and workpiece B are always coaxial state.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a self-centering apparatus comprises abutment sleeve (1) and resiliency supported (2); It is characterized in that: described abutment sleeve (1) is comprised of the first half (11) and the latter half (12); The lower part (12) of described abutment sleeve (1) is fixed with three resiliency supported (2) that are separately 120 ° of distributions.
2. a kind of self-centering apparatus according to claim 1, it is characterized in that: described resiliency supported (2) comprises joint (21), valve jacket (22), spring (23) and spherical support (24); Described spherical support (24) comprises guide post (241), convex edge (242) and sphere contact (243); Described joint (21) is comprised of targeting part (211) and standing part (212); Described standing part (212) is inserted in valve jacket (22) one ends and fixing, and the bottom centre position of standing part (212) is provided with sliding tray (213); Guide post (241) and convex edge (242) of described spherical support (24) are arranged in the valve jacket (22), and sphere contact (243) passes from the hole of valve jacket (22) other end, and the diameter of convex edge (242) is greater than hole diameter; Described guide post (241) has part to intert in the sliding tray (213) of the upper standing part (212) of joint (21), and the upper cover of guide post (241) has spring (23), and the diameter of spring (23) is greater than the diameter of sliding tray (213) diameter less than convex edge (242).
3. a kind of self-centering apparatus according to claim 2, it is characterized in that: the diameter of the first half (11) of described abutment sleeve (1) is less than the diameter of the latter half (12).
4. a kind of self-centering apparatus according to claim 3, it is characterized in that: described valve jacket (22) is provided with two holes that are relatively fixed with the end that joint (21) is fixed, and the standing part (212) of joint (21) is gone up corresponding two fixing holes that are provided with, and passes fixing hole by screw (3) valve jacket (22) and joint (21) are fixed together.
5. a kind of self-centering apparatus according to claim 4, it is characterized in that: the latter half (12) of described abutment sleeve (1) is provided with three connecting holes that are separately 120 ° of distributions; The joint (21) of described resiliency supported (2) is inserted in the connecting hole, and joint (21) is interference fit with connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308933 CN202668460U (en) | 2012-06-28 | 2012-06-28 | Automatic centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308933 CN202668460U (en) | 2012-06-28 | 2012-06-28 | Automatic centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202668460U true CN202668460U (en) | 2013-01-16 |
Family
ID=47489393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220308933 Expired - Fee Related CN202668460U (en) | 2012-06-28 | 2012-06-28 | Automatic centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202668460U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486144A (en) * | 2013-09-26 | 2014-01-01 | 太仓斯普宁精密机械有限公司 | Adjustable coupler |
| CN104552068A (en) * | 2014-12-29 | 2015-04-29 | 爱彼思（苏州）自动化科技有限公司 | Automatic locating mechanism for camera lens ring |
| CN110926302A (en) * | 2019-12-13 | 2020-03-27 | 四川大学 | Shaft diameter adjustable three-spring pressure sensing mechanical centering device and method |
| CN112677093A (en) * | 2020-12-30 | 2021-04-20 | 江苏核电有限公司 | Tool and method for disassembling pump seal assembly of reactor cooler |
| CN112809617A (en) * | 2020-12-30 | 2021-05-18 | 江苏核电有限公司 | Main pump mechanical seal assembly dismounting auxiliary tool and mechanical seal assembly dismounting method |
-
2012
- 2012-06-28 CN CN 201220308933 patent/CN202668460U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486144A (en) * | 2013-09-26 | 2014-01-01 | 太仓斯普宁精密机械有限公司 | Adjustable coupler |
| CN104552068A (en) * | 2014-12-29 | 2015-04-29 | 爱彼思（苏州）自动化科技有限公司 | Automatic locating mechanism for camera lens ring |
| CN110926302A (en) * | 2019-12-13 | 2020-03-27 | 四川大学 | Shaft diameter adjustable three-spring pressure sensing mechanical centering device and method |
| CN112677093A (en) * | 2020-12-30 | 2021-04-20 | 江苏核电有限公司 | Tool and method for disassembling pump seal assembly of reactor cooler |
| CN112809617A (en) * | 2020-12-30 | 2021-05-18 | 江苏核电有限公司 | Main pump mechanical seal assembly dismounting auxiliary tool and mechanical seal assembly dismounting method |
| CN112809617B (en) * | 2020-12-30 | 2024-04-09 | 江苏核电有限公司 | Main pump machine seal assembly disassembly and assembly auxiliary tool and machine seal assembly disassembly and assembly method |
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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: 20130116 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |