CN205085606U - System for be used for separation of interference fit part - Google Patents
System for be used for separation of interference fit part Download PDFInfo
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- CN205085606U CN205085606U CN201520910849.2U CN201520910849U CN205085606U CN 205085606 U CN205085606 U CN 205085606U CN 201520910849 U CN201520910849 U CN 201520910849U CN 205085606 U CN205085606 U CN 205085606U
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- hole
- interference fit
- endoporus
- utility
- separated
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Abstract
The utility model provides a system for be used for separation of interference fit part for first part and the separation of second part with interference fit, the system includes first part has first hole, the second part has the second hole, the one end of second part assemble in in the first hole, the second part is kept away from the other end of first part is equipped with heat -resisting sealing adhesive tape, and is firmly sealed the open end of second hole, first part is placed in the heating cabinet, fill the liquid nitrogen in the second hole, make second part cooling to with first part autosegregation. Utilize the expend with heat and contract with cold principle, first part is at the heating cabinet internal heating, the size increase, and second hole intussuseption topping up nitrogen, liquid nitrogen make the shrinkage of second part, and then second part size diminishes, and the cooperation between first part and the second part becomes the clearance by the interference, and autosegregation makes the part alternate segregation through above -mentioned system, can not the part of damage, guarantee just to be applicable to the quality of part in the mass production.
Description
Technical field
The utility model relates to Machining Technology field, particularly relates to a kind ofly dividing the system of dissociating for interference fit part.
Background technology
In machining and manufacture process, interference fit belongs to conventional fit system, and especially aircraft engine parts needs the parts of elastic conjunction many and complicated.The method that the part of two conventional at present interference fit is separated from each other uses special tool(s) to be disassembled by part to beat part.This method needs design specialized fixture, also easily causes damage even to destroy to part, is unfavorable for mass production, has a strong impact on quality and the manufacturing schedule of part.
Therefore, be necessary to design a kind of system be separated for interference fit part, to solve the problem.
Utility model content
For prior art Problems existing, the utility model provides one to destroy part, ensures part quality, is suitable for the system be separated for interference fit part of mass production.
To achieve these goals, the utility model adopts following technical scheme:
A kind of system be separated for interference fit part, for the first part of interference fit is separated with the second part, described system comprises described first part and has the first endoporus, described second part has the second endoporus, one end of described second part is assemblied in described first endoporus, described second part is provided with temperature resistant encapsulation adhesive tape away from the other end of described first part, seal up the openend of described second endoporus, described first part is positioned in heating cabinet, liquid nitrogen is filled in described second endoporus, described second part is cooled to automatically be separated with described first part.
The beneficial effects of the utility model:
Utilize principle of expanding with heat and contracting with cold, by the openend of the second endoporus temperature resistant encapsulation rubber belt sealing, then the first part and the second part are placed in heating cabinet and heat, now the first accessory size increases, and liquid nitrogen is filled in the second endoporus, liquid nitrogen makes the second part shrinkage, then the second accessory size diminishes, cooperation between first part and the second part becomes gap from interference, until both are separated automatically, part is made to be separated from each other in this way, can not part of damage, ensure the quality of part, and be applicable in mass production.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model first part and the second part interference fit;
Fig. 2 is the structural representation that the utility model second part is separated with the first part;
In figure, the 1-the first part, the 2-the first endoporus, the 3-the second part, the 4-the second endoporus, 5-temperature resistant encapsulation adhesive tape, 6-liquid nitrogen.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directionality instruction (such as up, down, left, right, before and afters in the utility model embodiment ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, in the utility model, relate to the description of " first ", " second " etc. only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.
As Fig. 1 and Fig. 2, the utility model provides a kind of system be separated for interference fit part, for the first part 1 of interference fit is separated with the second part 3, first part 1 has the first endoporus 2, second part 3 has the second endoporus 4, the upper end of the second part 3 is assemblied in the first endoporus 2, the lower end of the second part 3 is provided with temperature resistant encapsulation adhesive tape 5, seal up the lower ending opening of the second endoporus 4, first part 1 is positioned in heating cabinet, fill liquid nitrogen 6 in second endoporus 4, the second part 3 is cooled to and is automatically separated with the first part 1.Utilize principle of expanding with heat and contracting with cold, heating in heating cabinet placed by first part 1 and the second part 3, and now the first part 1 size increases, and then in the second endoporus 4, fills liquid nitrogen 6, liquid nitrogen 6 makes the second part 3 shrinkage, then the second part 3 size diminishes, and the cooperation between the first part 1 and the second part 3 becomes gap from interference, until both are separated automatically, part is made to be separated from each other in this way, can not part of damage, ensure the quality of part, and be applicable in mass production.
The course of work of this system is: first the first part 1 of elastic conjunction and the second part 3 are put into heating cabinet jointly and be heated to 180 DEG C, be incubated 30 minutes, now the size of the first part 1 increases, and the bottom opening of the second endoporus 4 is blocked at the bottom temperature resistant encapsulation adhesive tape 5 of the second part 3, then the first part 1 is placed on support, second part 3 is positioned at the below of the first part 1, then in upper direction second endoporus 4 of the second part 3, liquid nitrogen 6 is injected, the cooling effect of liquid nitrogen 6 makes the second part 3 shrinkage, size diminishes, after about 10 minutes, second part 3 falls down automatically, be separated with the first part 1, note placing cushion in the below of the second part 3, avoid injuring part by a crashing object.
Above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those skilled in the art are to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in right of the present utility model.
Claims (1)
1. the system be separated for interference fit part, for the first part of interference fit is separated with the second part, it is characterized in that, comprise: described first part has the first endoporus, described second part has the second endoporus, one end of described second part is assemblied in described first endoporus, described second part is provided with temperature resistant encapsulation adhesive tape away from the other end of described first part, seal up the openend of described second endoporus, described first part is positioned in heating cabinet, liquid nitrogen is filled in described second endoporus, described second part is cooled to automatically be separated with described first part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910849.2U CN205085606U (en) | 2015-11-13 | 2015-11-13 | System for be used for separation of interference fit part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910849.2U CN205085606U (en) | 2015-11-13 | 2015-11-13 | System for be used for separation of interference fit part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205085606U true CN205085606U (en) | 2016-03-16 |
Family
ID=55476326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910849.2U Active CN205085606U (en) | 2015-11-13 | 2015-11-13 | System for be used for separation of interference fit part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205085606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539126A (en) * | 2019-08-15 | 2019-12-06 | 成都中车四方轨道车辆有限公司 | Novel process for disassembling coupling bond by liquid nitrogen |
| CN113977232A (en) * | 2021-11-25 | 2022-01-28 | 哈尔滨汽轮机厂有限责任公司 | Method for removing interference valve seat |
-
2015
- 2015-11-13 CN CN201520910849.2U patent/CN205085606U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539126A (en) * | 2019-08-15 | 2019-12-06 | 成都中车四方轨道车辆有限公司 | Novel process for disassembling coupling bond by liquid nitrogen |
| CN113977232A (en) * | 2021-11-25 | 2022-01-28 | 哈尔滨汽轮机厂有限责任公司 | Method for removing interference valve seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |