CN207746718U - A kind of fixture for obturaging labyrinth processing for aero-engine - Google Patents
A kind of fixture for obturaging labyrinth processing for aero-engine Download PDFInfo
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- CN207746718U CN207746718U CN201721339087.0U CN201721339087U CN207746718U CN 207746718 U CN207746718 U CN 207746718U CN 201721339087 U CN201721339087 U CN 201721339087U CN 207746718 U CN207746718 U CN 207746718U
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- labyrinth
- fixture
- aero
- engine
- bottom board
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Abstract
The utility model provides a kind of fixture for obturaging labyrinth processing for aero-engine, and being difficult control labyrinth deformation when can solve the problem of using existing processing method processing labyrinth causes the size of labyrinth that can not ensure.It includes the first technique edges fixture, axially supports aero-engine to obturage labyrinth when being processed for lower disc and wheel hub and compresses its first technique edges；Second technique edges fixture, aero-engine described in support compression obturages the second technique edges of labyrinth when being processed for tooth of combing；With main mounting surface fixture, aero-engine described in support compression obturages the main datum clamp face of labyrinth when being processed for superradial.
Description
Technical field
The utility model is related to aero-engines to obturage labyrinth processing tool field, specially a kind of to be used for aeroplane engine
Machine obturages the fixture of labyrinth processing.
Background technology
Fig. 1 obturages sectional view of the labyrinth along radial direction for certain h type engine h comprising sets gradually from inside to outside
Wheel hub 41, lower disc 42, superradial 43 and comb tooth 44, the top of lower former 42 is main datum clamp face 45, the labyrinth
Outer diameter reaches 540mm, and the material of disc thinnest part only 2.7mm, labyrinth are powder metallurgy superalloys, and labyrinth deforms very in processing
Seriously.It is routinely the work that different structure mode is designed at labyrinth maximum outer circle to realize the purpose of labyrinth normal process
Then skill side, that is, boss of constructing carry out axial bearing to labyrinth blank first with fixture and compress, complete two end faces of labyrinth
All features processing, bearing compression finally carried out to the main datum clamp face of labyrinth using fixture, excision technique edges simultaneously plus
Work comb tooth.Since the technique edges removal surplus of labyrinth is larger, the bearing seal face of labyrinth（Main datum clamp face）Away from technique
The distance on side farther out, thus process comb tooth when labyrinth cutting deformation it is very big, simultaneously as labyrinth is complicated, lead
It causes cutting force to be unevenly distributed, control labyrinth deformation also is difficult to during all features for processing two end faces, is finally led
Cause the size of labyrinth that can not ensure.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of fixture for obturaging labyrinth processing for aero-engine,
It is difficult control labyrinth deformation when can solve using existing processing method processing labyrinth, causes the size of labyrinth that can not protect
The problem of card, thereby may be ensured that the processing quality of labyrinth.
Its technical solution is such：A kind of fixture for obturaging labyrinth processing for aero-engine, it is characterised in that：
It includes the first technique edges fixture, axially supports aero-engine to obturage labyrinth when being processed for lower disc and wheel hub and compresses
Its first technique edges；
Second technique edges fixture, aero-engine described in support compression obturages the second work of labyrinth when being processed for tooth of combing
Skill side；
With main mounting surface fixture, aero-engine described in support compression obturages the main peace of labyrinth when being processed for superradial
Fill reference plane.
It is further characterized by：
The first technique edges fixture includes the first clamp bottom board and hook-shaped pressing plate, and first clamp bottom board is discoid
The outer rim of structure, first clamp bottom board is circumferentially with boss along it, and described its circumferential direction of boss upper edge offers several peaces
Hole is filled, the inside top surface of the boss is circumferentially with circular orientation step along it, and the hook-shaped pressing plate, which corresponds, is mounted on institute
It states and obturages first technique edges of labyrinth in mounting hole and by the aero-engine and be pressed in the circular orientation step
On.
The first technique edges fixture further includes Auxiliary support circle and baffle, and the baffle is annular slab and is coaxially inserted into
On first clamp bottom board, the Auxiliary support circle setting is on the outside of the baffle and coaxially solid with first clamp bottom board
It connects, the Auxiliary support circle is enclosed the annular groove for pouring into a mould low-melting alloy, the annular groove with the baffle
The wheel hub position face of labyrinth is obturaged with the aero-engine.
The second technique edges fixture includes the second clamp bottom board, the first support, the first pressing plate and the first double threaded screw, institute
It is disc-shaped structure to state the second clamp bottom board, and the first coaxial threaded hole is offered on second clamp bottom board, described
One end of first double threaded screw is screwed in first threaded hole；First support is ring-shaped structure and is coaxially fixed in
On second clamp bottom board, the top surface of first support and lateral surface are respectively the first positioning surface and the second positioning surface；Institute
It states the first pressing plate and is bell-jar structure and is coaxially disposed with second clamp bottom board that first pressing plate passes through described first pair
Head screw rod the other end and by the first nut check, first pressing plate obturages the aero-engine described in labyrinth
Second technique edges are pressed in first positioning surface.
The main mounting surface fixture includes third clamp bottom board, the second support, the second pressing plate and the second double threaded screw, described
Third clamp bottom board is disc-shaped structure, offers the second coaxial threaded hole on the third clamp bottom board, described the
One end of two double threaded screws is screwed in second threaded hole；Second support is ring-shaped structure and is coaxially fixed in institute
It states on third clamp bottom board, the top surface of second support and lateral surface are respectively third positioning surface and the 4th positioning surface；It is described
Second pressing plate is bell-jar structure and is coaxially disposed with the third clamp bottom board that second pressing plate passes through second double end
The other end of screw rod and by the second nut check, the aero-engine is obturaged the master of labyrinth by second pressing plate
Datum clamp face is pressed in the third positioning surface.
The utility model has the beneficial effects that：
The fixture of the utility model includes three sleeve clamps, is the first technique edges fixture, the second technique edges fixture and master respectively
Mounting surface fixture is respectively used to clamping when aero-engine obturages the processing of labyrinth different parts, specifically, first with the
One technique edges fixture the first technique edges of clamping, only process lower disc and wheel hub, the second technique edges are not processed first, at this time the second technique
While playing the effect of enhancing labyrinth rigidity；Then second technique edges fixture the second technique edges of clamping are utilized, comb tooth is processed, due to
The second technique edges are nearest apart from working position at this time, therefore the rigidity of labyrinth is best；Finally utilize main mounting surface fixture clamping
Main datum clamp face processes superradial, since main datum clamp face is nearest apart from working position at this time, the rigidity of labyrinth
It is best；It is processed under labyrinth maximum rigidity to reach, effectively controls the cutting deformation of labyrinth, ensure that labyrinth most
Whole dimensional stability and consistency.
Description of the drawings
Fig. 1 obturages sectional view of the labyrinth along radial direction for available engine；
Fig. 2 is the sectional view of the first technique edges fixture along radial direction of the utility model；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the sectional view of the second technique edges fixture along radial direction of the utility model；
Fig. 5 is the vertical view of the second clamp bottom board；
Fig. 6 is the vertical view of the first support；
Fig. 7 is the vertical view of the first pressing plate；
Fig. 8 is the sectional view of the main mounting surface fixture along radial direction of the utility model；
Fig. 9 is the vertical view of third clamp bottom board；
Figure 10 is the vertical view of the second support；
Figure 11 is the vertical view of the second pressing plate.
Reference numeral：10- the first technique edges fixtures；The first clamp bottom boards of 11-；111- boss；112- mounting holes；113- rings
Shape positioning step；The hook-shaped pressing plates of 12-；13- Auxiliary support circles；14- baffles；15- annular grooves；20- the second technique edges fixtures；
The second clamp bottom boards of 21-；The first threaded holes of 211-；22- first is supported；The first positioning surfaces of 221-；The second positioning surfaces of 222-；23-
First pressing plate；The first double threaded screws of 24-；The first nuts of 25-；The main mounting surface fixtures of 30-；31- third clamp bottom boards；311- second
Threaded hole；32- second is supported；321- third positioning surfaces；The 4th positioning surfaces of 322-；The second pressing plates of 33-；The second double threaded screws of 34-；
The second nuts of 35-；40- aero-engines obturage labyrinth；41- wheel hubs；Disc under 42-；43- superradials；44- comb teeth；45- master
Datum clamp face；The first technique edges of 46-；The second technique edges of 47-.
Specific implementation mode
See Fig. 2-Figure 11, a kind of fixture for obturaging labyrinth processing for aero-engine of the utility model comprising
First technique edges fixture 10 axially supports aero-engine to obturage labyrinth 40 and presses when being processed for lower disc 42 and wheel hub 41
Its tight first technique edges 46；Second technique edges fixture 20, support compression aero-engine obturages comb tooth when being processed for tooth 44 of combing
Second technique edges 47 of disk 40；With main mounting surface fixture 30, support compression aero-engine is obturaged when being processed for superradial 43
The main datum clamp face 45 of labyrinth 40.Wherein, the first technique edges correspond to the comb teeth portion position that aero-engine obturages labyrinth, the
Two technique edges correspond to the superradial position that aero-engine obturages labyrinth, and the first technique edges and the second technique edges all refer to as square
Shape structure, as shown in Figure 2.
See that Fig. 2 and Fig. 3, the first technique edges fixture 10 include the first clamp bottom board 11 and hook-shaped pressing plate 12, the first fixture bottom
Plate 11 is disc-shaped structure, and the outer rim of the first clamp bottom board 11 is circumferentially with boss 111 along it, its circumferential direction of 111 upper edge of boss is opened
Equipped with several mounting holes 112, the inside top surface of boss 111 is circumferentially with circular orientation step 113, hook-shaped pressing plate 12 1 along it
The first technique edges 46 that one correspondence obturages labyrinth 40 in mounting hole 112 and by aero-engine are pressed in circular orientation
On step 113.
See that Fig. 2 and Fig. 3, the first technique edges fixture 10 further include Auxiliary support circle 13 and baffle 14, baffle 14 is annular slab
And be coaxially inserted on the first clamp bottom board 11, the setting of Auxiliary support circle 13 is on the outside of baffle 14 and same with the first clamp bottom board 11
Axis is affixed, and Auxiliary support circle 13 is enclosed the annular groove 15 for pouring into a mould low-melting alloy, annular groove 15 with baffle 14
41 face of wheel hub of labyrinth 40 is obturaged with aero-engine.By pouring into a mould low-melting alloy, preferably aviation can be supported to send out
Motivation obturages labyrinth, reduces its machining deformation.
See that Fig. 4-Fig. 7, the second technique edges fixture 20 include that the second clamp bottom board 21, first supports 23 and of the 22, first pressing plate
First double threaded screw 24, the second clamp bottom board 21 are disc-shaped structure, and coaxial the is offered on the second clamp bottom board 21
One end of one threaded hole 211, the first double threaded screw 24 is screwed in the first threaded hole 211；First support 22 is ring-shaped structure
And be coaxially fixed on the second clamp bottom board 21, the top surface of the first support 22 and lateral surface are respectively the first positioning surface 221 and the
Two positioning surfaces 222；First pressing plate 23 is bell-jar structure and is coaxially disposed with the second clamp bottom board 21 that first pressing plate 23 passes through the
The other end of one double threaded screw 24 is simultaneously locked by the first nut 25, and aero-engine is obturaged labyrinth 40 by the first pressing plate 23
Second technique edges 47 are pressed in the first positioning surface 221, and the bottom surface of the first technique edges 46 is bonded with the second positioning surface 222.
See Fig. 8-Figure 11, main mounting surface fixture 30 includes that third clamp bottom board 31, second supports the 32, second pressing plate 33 and the
Two double threaded screws 34, third clamp bottom board 31 are disc-shaped structure, and coaxial second is offered on third clamp bottom board 31
One end of threaded hole 311, the second double threaded screw 34 is screwed in the second threaded hole 311；Second support 32 for ring-shaped structure simultaneously
It is coaxially fixed on third clamp bottom board 31, the top surface of the second support 32 and lateral surface are respectively third positioning surface 321 and the 4th
Positioning surface 322；Second pressing plate 33 is bell-jar structure and is coaxially disposed with third clamp bottom board 31 that second pressing plate 33 passes through second
The other end of double threaded screw 34 is simultaneously locked by the second nut 35, and aero-engine is obturaged the master of labyrinth 40 by the second pressing plate 33
Datum clamp face 45 is pressed in third positioning surface 321, and the bottom surface of the second technique edges 47 is bonded with the 4th positioning surface 322.
The method that brief description processes labyrinth using the utility model fixture：
Include the following steps：
Step 1, the position of the correspondence comb tooth of labyrinth blank is designed as the first technique edges, the position of corresponding superradial is set
The second technique edges are calculated as, as shown in Figure 2；
Step 2, as shown in Fig. 2, the first technique edges compression is positioned at annular with the hook pressure plate of the first technique edges fixture
On positioning step, low-melting alloy is poured into a mould in the annular groove that Auxiliary support circle and baffle surround to support labyrinth blank
Then wheel hub position processes the front in the front and wheel hub of lower disc, then labyrinth blank is overturn 180 °, as stated above plus
The reverse side of the reverse side of disc and wheel hub under work；
Step 3, as shown in figure 4, the second technique edges compression is positioned at first with the first pressing plate of the second technique edges fixture
In bearing, the front of comb tooth is processed, then labyrinth blank is overturn 180 °, process the reverse side of comb tooth as stated above；
Step 4, as shown in figure 8, main datum clamp face compression is positioned at second with the second pressing plate of main mounting surface fixture
In bearing, the front of superradial is processed, then labyrinth blank is overturn 180 °, process the reverse side of superradial as stated above, it is complete
At the processing of labyrinth.
Claims (5)
1. a kind of fixture for obturaging labyrinth processing for aero-engine, it is characterised in that：It includes the first technique edges fixture,
It axially supports aero-engine to obturage labyrinth when being processed for lower disc and wheel hub and compresses its first technique edges；
Second technique edges fixture, aero-engine described in support compression obturages the second technique of labyrinth when being processed for tooth of combing
Side；
With main mounting surface fixture, aero-engine described in support compression obturages the main installation base of labyrinth when being processed for superradial
Quasi- face.
2. a kind of fixture for obturaging labyrinth processing for aero-engine according to claim 1, it is characterised in that：Institute
It includes the first clamp bottom board and hook-shaped pressing plate to state the first technique edges fixture, and first clamp bottom board is disc-shaped structure, described
The outer rim of first clamp bottom board is circumferentially with boss along it, and described its circumferential direction of boss upper edge offers several mounting holes, described
The inside top surface of boss is circumferentially with circular orientation step along it, and the hook-shaped pressing plate, which corresponds, to be mounted in the mounting hole
And first technique edges that the aero-engine is obturaged to labyrinth are pressed on the circular orientation step.
3. a kind of fixture for obturaging labyrinth processing for aero-engine according to claim 2, it is characterised in that：Institute
It further includes Auxiliary support circle and baffle to state the first technique edges fixture, and the baffle is annular slab and is coaxially inserted into first folder
Have on bottom plate, the Auxiliary support circle setting is on the outside of the baffle and coaxially affixed with first clamp bottom board, described auxiliary
Bracing ring is helped to be enclosed the annular groove for pouring into a mould low-melting alloy, the annular groove and the aviation with the baffle
Engine obturages the wheel hub position face of labyrinth.
4. a kind of fixture for obturaging labyrinth processing for aero-engine according to any one of claim 1-3,
It is characterized in that：The second technique edges fixture includes the second clamp bottom board, the first support, the first pressing plate and the first double threaded screw,
Second clamp bottom board is disc-shaped structure, and the first coaxial threaded hole, institute are offered on second clamp bottom board
The one end for stating the first double threaded screw is screwed in first threaded hole；First support is that ring-shaped structure is simultaneously coaxial affixed
On second clamp bottom board, the top surface of first support and lateral surface are respectively the first positioning surface and the second positioning surface；
First pressing plate is bell-jar structure and is coaxially disposed with second clamp bottom board that first pressing plate passes through described first
The other end of double threaded screw and by the first nut check, the aero-engine is obturaged the institute of labyrinth by first pressing plate
It states the second technique edges and is pressed in first positioning surface.
5. a kind of fixture for obturaging labyrinth processing for aero-engine according to claim 4, it is characterised in that：Institute
It includes third clamp bottom board, the second support, the second pressing plate and the second double threaded screw, third fixture bottom to state main mounting surface fixture
Plate is disc-shaped structure, and the second coaxial threaded hole, second double threaded screw are offered on the third clamp bottom board
One end be screwed in second threaded hole；Second support is ring-shaped structure and is coaxially fixed in the third fixture
On bottom plate, the top surface of second support and lateral surface are respectively third positioning surface and the 4th positioning surface；Second pressing plate is
Bell-jar structure is simultaneously coaxially disposed with the third clamp bottom board, and second pressing plate passes through the another of second double threaded screw
It holds and by the second nut check, the aero-engine is obturaged the main datum clamp face of labyrinth by second pressing plate
It is pressed in the third positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339087.0U CN207746718U (en) | 2017-10-18 | 2017-10-18 | A kind of fixture for obturaging labyrinth processing for aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339087.0U CN207746718U (en) | 2017-10-18 | 2017-10-18 | A kind of fixture for obturaging labyrinth processing for aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207746718U true CN207746718U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721339087.0U Active CN207746718U (en) | 2017-10-18 | 2017-10-18 | A kind of fixture for obturaging labyrinth processing for aero-engine |
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| CN (1) | CN207746718U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570747A (en) * | 2020-11-11 | 2021-03-30 | 中国航发贵州黎阳航空动力有限公司 | Method for removing burrs of comb tooth grooves |
| CN113618337A (en) * | 2021-08-17 | 2021-11-09 | 中国航发沈阳黎明航空发动机有限责任公司 | Processing and positioning process method for casting high-temperature alloy ring block type parts |
| CN114054456A (en) * | 2021-11-15 | 2022-02-18 | 中国航发南方工业有限公司 | Protective fixture for removing coating of grate ring piece and repair process for coating on surface of grate ring piece |
| CN115431069A (en) * | 2022-10-10 | 2022-12-06 | 中国航发沈阳黎明航空发动机有限责任公司 | Precision machining tool and method for front and rear mounting planes of large weak-rigidity sealing disc |
-
2017
- 2017-10-18 CN CN201721339087.0U patent/CN207746718U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570747A (en) * | 2020-11-11 | 2021-03-30 | 中国航发贵州黎阳航空动力有限公司 | Method for removing burrs of comb tooth grooves |
| CN113618337A (en) * | 2021-08-17 | 2021-11-09 | 中国航发沈阳黎明航空发动机有限责任公司 | Processing and positioning process method for casting high-temperature alloy ring block type parts |
| CN114054456A (en) * | 2021-11-15 | 2022-02-18 | 中国航发南方工业有限公司 | Protective fixture for removing coating of grate ring piece and repair process for coating on surface of grate ring piece |
| CN114054456B (en) * | 2021-11-15 | 2022-10-18 | 中国航发南方工业有限公司 | Protective fixture for removing coating of grate ring piece and repair process for coating on surface of grate ring piece |
| CN115431069A (en) * | 2022-10-10 | 2022-12-06 | 中国航发沈阳黎明航空发动机有限责任公司 | Precision machining tool and method for front and rear mounting planes of large weak-rigidity sealing disc |
| CN115431069B (en) * | 2022-10-10 | 2024-01-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Precision machining tool and method for front and rear mounting planes of weak-rigidity large-scale sealing disc piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211210 Address after: 214000 35 Xin Dong'an Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: WUXI HYATECH TECHNOLOGY Co.,Ltd. Address before: 214000 35 Xin Dong'an Road, Xinwu District, Wuxi City, Jiangsu Province Patentee before: WUXI HANGYA DISC MANUFACTURING CO.,LTD. |
|
| TR01 | Transfer of patent right |