CN201645218U - Open blisk numerical-control machining positioning fixture - Google Patents
Open blisk numerical-control machining positioning fixture Download PDFInfo
- Publication number
- CN201645218U CN201645218U CN2010201418286U CN201020141828U CN201645218U CN 201645218 U CN201645218 U CN 201645218U CN 2010201418286 U CN2010201418286 U CN 2010201418286U CN 201020141828 U CN201020141828 U CN 201020141828U CN 201645218 U CN201645218 U CN 201645218U
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- China
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- blisk
- open type
- base plate
- leaf dish
- type integral
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Abstract
The utility model discloses an open blisk numerical-control machining positioning fixture, comprising a bottom plate, a cover plate and a core shaft, wherein the bottom plate is provided with a fixed mounting hole and is connected with a machine table by the fixed mounting hole; the cover plate and the bottom plate are respectively arranged at two sides of the axial direction of an open blisk and are connected by the core shaft to clamp the open blisk; and the core shaft is penetrated through the center hole of the open blisk to be installed with the bottom plate and the cover plate in the same center of rotation. The upper part of the bottom plate corresponding to a pilot hole on a web plate of the open blisk is provided with a locating pin. The open blisk numerical-control machining positioning fixture does not cause the overall deforming of the blisk, increases the overall stability in the blade machining process, also ensures the openness of part machining and can conduct one-step clamping. The open blisk numerical-control machining positioning fixture has the advantages of simple structure, convenient mounting, high positioning accuracy and can conduct multiple times of mounting and dismantling not to influence the positioning accuracy.
Description
Technical field
The utility model relates to aero-engine leaf dish processing technique field, especially relates to a kind of positioning fixture that is used for the digital control processing of open type integral leaf dish.
Background technology
At present, the fan of aero-engine and compressor generally adopt blisk version.Compare with the wheel disc assembly structure with traditional blade, blisk has saved tenon, tongue-and-groove and locking device, has avoided the tenon windage loss; Simultaneously, reduce number of spare parts in a large number, alleviate construction weight.The development trend of integrated impeller blade is that shape becomes increasingly complex, wall thickness is more and more thinner.Utilization thin-walled, ultra-thin blade technology, can solve the compressor air velocity and rise to problems such as the caused blade inlet edge shock wave of supersonic speed, blade tip flow separation from subsonic speed, thereby increase substantially compressor gas flow and single-stage pressure ratio, integrally-built aerodynamic arrangement of aero-engine and service efficiency are greatly improved.At blisk class labyrinth part, the technology difficulty of utilizing means such as hot investment casting or precision forging to produce is very big.In this case, can satisfy the high quality parts that modern designs requires, just need to adopt Machining Technology for Cutting in order to produce.
Open type integral leaf dish of the prior art adopts the 4-coordinate processing mode because of its open architecture more, and cutter is inserted along the leaf disc radial and milled processing; Blisk belongs to typical weak rigid thin wall's class part, existing anchor clamps are adding man-hour, owing to add the effect of the power of holding, be easy to cause the generation of flutter in the bulk deformation of part and the process, influenced stability, surface quality of workpieces and the precision of process.
Summary of the invention
Clamp easy deformation in order to overcome the prior art blade, the deficiency that the location is unstable, the utility model provides a kind of open type integral leaf dish digital control processing positioning fixture, by adopting the structure that fixes to clamp of two ends pretension, efficiently solves the problems of the prior art.
The technical scheme that the utility model is taked is: comprise base plate, cover plate and mandrel, base plate is provided with the fixed installation hole, and base plate links to each other with platen by the fixed installation hole; Cover plate and base plate are separately positioned on the axial both sides of open type integral leaf dish, link to each other by mandrel, clamp open type integral leaf dish; Mandrel passes the centre bore of open type integral leaf dish, installs with the centre of gyration with base plate and cover plate, i.e. the center of circle of the center of circle at mandrel two ends corresponding base plate of difference and cover plate; Pilot hole on the corresponding open type integral leaf dish web of base plate top is provided with alignment pin.
Described mandrel is fixedly linked by first screw and pin and base plate, and screw plays fastening effect, and pin plays the pre-determined bit effect.
Described mandrel axis is installed with second screw, by second screw cover plate is linked to each other with base plate, realizes the clamping to workpiece.
The external diameter of described mandrel equals the centre bore internal diameter of open type integral leaf dish.
The beneficial effects of the utility model are: described open type integral leaf dish digital control processing positioning fixture adopts the strategy of centralized positioning, and the radial location of leaf dish is to utilize centre bore to carry out centralized positioning; The angle location of leaf dish is to utilize the pilot hole on the leaf dish web to carry out two pin-and-holes location by alignment pin; The axial restraint of leaf dish be the thrust that screw produced by cover plate along wheel hub one all stepless actions on the wheel hub of leaf dish, thereby realize axial location.Owing to reserved process allowance in the inboard of leaf plate wheel hub, this thrust can in axial direction be directly delivered on the clamp base again, so this thrust vertical transmission can not cause the bulk deformation of leaf dish.In addition, owing to compress the position design on the wheel hub adjacent, improved the resistance to overturning of blade processing process leaf dish with blade.This jig Design has also ensured the opening character of part processing, can pass through a clamping, finishes all processing contents of blade.This clamp structure is simple, and is easy for installation, and the positioning accuracy height can repeatedly be installed and removed and do not influence positioning accuracy.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 removes the plan structure schematic diagram of cover plate for the utility model;
Fig. 2 adds the structure of cover plate cross-sectional schematic for Fig. 1 of the present utility model.
Among the figure: 1, base plate, 2, first screw, 3, mandrel, 4, second screw, 5, alignment pin, 6, cover plate, 7, pin, 8, open type integral leaf dish, 9, the fixed installation hole, 10, pilot hole.
The specific embodiment
As shown in Figure 1, described open type integral leaf dish digital control processing positioning fixture, comprise base plate 1, cover plate 6 and mandrel 3, base plate is provided with fixed installation hole 9, base plate 1 links to each other with platen by fixed installation hole 9, mandrel is fixedly linked with base plate 1 by first screw 2 and pin 7, the center of circle corresponding base plate 1 of difference at mandrel 3 two ends and the center of circle of cover plate 6, cover plate 6 corresponding open type integral leaf dishes are arranged on base plate 1 top, cover plate 6 links to each other with base plate 1 by second screw 4, second screw passes mandrel simultaneously, realizes the clamping to workpiece, and the pilot hole 10 on corresponding open type integral leaf dish 8 webs of base plate top is provided with alignment pin 5.
Described open type integral leaf dish digital control processing positioning fixture, it in use, base plate 1 links to each other with platen by fixed installation hole 9, then mandrel 3 is fixedly linked with base plate 1 by first screw 2 and pin 7, open type integral leaf dish 8 is being placed on the base plate 1, and is utilizing mandrel 3 cylindricals and alignment pin 5 to realize the location, putting cover plate 6 at last, and by the 4 realization clampings of second screw, thereby can implement processing.
Claims (4)
1. open type integral leaf dish digital control processing positioning fixture comprises base plate, cover plate and mandrel, it is characterized in that: base plate is provided with the fixed installation hole, and base plate links to each other with platen by the fixed installation hole; Cover plate and base plate are separately positioned on the axial both sides of open type integral leaf dish, link to each other by mandrel, clamp open type integral leaf dish; Mandrel passes the centre bore of open type integral leaf dish, installs with the centre of gyration with base plate and cover plate; Pilot hole on the corresponding open type integral leaf dish web of base plate top is provided with alignment pin.
2. open type integral leaf dish digital control processing positioning fixture according to claim 1 is characterized in that: described mandrel is fixedly linked by first screw and pin and base plate, and screw plays fastening effect, and pin plays the pre-determined bit effect.
3. open type integral leaf dish digital control processing positioning fixture according to claim 1, it is characterized in that: described mandrel axis is installed with second screw, by second screw cover plate is linked to each other with base plate, realizes the clamping to workpiece.
4. open type integral leaf dish digital control processing positioning fixture according to claim 1, it is characterized in that: the external diameter of described mandrel equals the centre bore internal diameter of open type integral leaf dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201418286U CN201645218U (en) | 2010-03-25 | 2010-03-25 | Open blisk numerical-control machining positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201418286U CN201645218U (en) | 2010-03-25 | 2010-03-25 | Open blisk numerical-control machining positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201645218U true CN201645218U (en) | 2010-11-24 |
Family
ID=43110425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201418286U Expired - Fee Related CN201645218U (en) | 2010-03-25 | 2010-03-25 | Open blisk numerical-control machining positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201645218U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615534A (en) * | 2012-04-10 | 2012-08-01 | 西北工业大学 | Hydraulic fixture used for machining precision forging blade tenon root |
| CN103128660A (en) * | 2013-03-04 | 2013-06-05 | 哈尔滨汽轮机厂有限责任公司 | Fixture for grinding gas-turbine wheel and grinding method |
| CN103192283A (en) * | 2013-05-02 | 2013-07-10 | 哈尔滨理工大学 | Special integral impeller five-axis side milling clamp capable of measuring milling force |
| CN107953020A (en) * | 2017-11-23 | 2018-04-24 | 中国航发航空科技股份有限公司 | A kind of fixture for being used for multistage blisk electron beam welding |
| CN110595714A (en) * | 2019-10-18 | 2019-12-20 | 长沙湖友工业技术有限公司 | Aero-engine blisk frequency measurement test fixture |
| CN110625411A (en) * | 2019-09-06 | 2019-12-31 | 北京星航机电装备有限公司 | Method for machining special-shaped low-rigidity superplastic control surface parts |
| CN110629013A (en) * | 2019-09-05 | 2019-12-31 | 江苏大学 | Intelligent clamp for improving laser impact precision of blisk |
| CN112276220A (en) * | 2020-10-28 | 2021-01-29 | 中国航发贵州黎阳航空动力有限公司 | A compress tightly frock for aeroengine low pressure turbine dish |
| CN113319341A (en) * | 2021-06-08 | 2021-08-31 | 清华大学 | Blade machining system and method on blisk |
-
2010
- 2010-03-25 CN CN2010201418286U patent/CN201645218U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615534A (en) * | 2012-04-10 | 2012-08-01 | 西北工业大学 | Hydraulic fixture used for machining precision forging blade tenon root |
| CN103128660A (en) * | 2013-03-04 | 2013-06-05 | 哈尔滨汽轮机厂有限责任公司 | Fixture for grinding gas-turbine wheel and grinding method |
| CN103192283A (en) * | 2013-05-02 | 2013-07-10 | 哈尔滨理工大学 | Special integral impeller five-axis side milling clamp capable of measuring milling force |
| CN103192283B (en) * | 2013-05-02 | 2015-07-22 | 哈尔滨理工大学 | Special integral impeller five-axis side milling clamp capable of measuring milling force |
| CN107953020A (en) * | 2017-11-23 | 2018-04-24 | 中国航发航空科技股份有限公司 | A kind of fixture for being used for multistage blisk electron beam welding |
| CN110629013A (en) * | 2019-09-05 | 2019-12-31 | 江苏大学 | Intelligent clamp for improving laser impact precision of blisk |
| CN110625411A (en) * | 2019-09-06 | 2019-12-31 | 北京星航机电装备有限公司 | Method for machining special-shaped low-rigidity superplastic control surface parts |
| CN110595714A (en) * | 2019-10-18 | 2019-12-20 | 长沙湖友工业技术有限公司 | Aero-engine blisk frequency measurement test fixture |
| CN112276220A (en) * | 2020-10-28 | 2021-01-29 | 中国航发贵州黎阳航空动力有限公司 | A compress tightly frock for aeroengine low pressure turbine dish |
| CN113319341A (en) * | 2021-06-08 | 2021-08-31 | 清华大学 | Blade machining system and method on blisk |
| CN113319341B (en) * | 2021-06-08 | 2022-05-03 | 清华大学 | Blade machining system and method on blisk |
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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: 20101124 Termination date: 20130325 |