CN203599908U - Machining clamp for turbine work blade - Google Patents
Machining clamp for turbine work blade Download PDFInfo
- Publication number
- CN203599908U CN203599908U CN201320744457.4U CN201320744457U CN203599908U CN 203599908 U CN203599908 U CN 203599908U CN 201320744457 U CN201320744457 U CN 201320744457U CN 203599908 U CN203599908 U CN 203599908U
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- turbine blade
- moving turbine
- plate
- machining
- clamp
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Abstract
The utility model discloses a machining clamp for a turbine work blade. The machining clamp for the turbine work blade comprises a bottom board and a vertical board fixed to the bottom board. A first clamping unit used for clamping the tenon tooth end of the turbine work blade, a second clamping unit used for clamping a blade disc in the middle of the turbine work blade and a supporting piece used for supporting the serrated end of the turbine work blade are arranged on the vertical board. The first clamping unit comprises a locating board fixed to the side face of the vertical board, a mortise with the size of an opening adjustable is formed in the locating board, and the shape of the mortise is matched with that of the tenon tooth end of the turbine work blade. The second clamping unit comprises a molding block matched with the blade disc in the middle of the turbine work blade and a locating device used for locating the molding block. The turbine work blade is located through three points and is clamped stably, a workpiece receives force evenly, and the machining quality of the workpiece can be guaranteed; meanwhile, clamping is simple and the operation difficulty of an operator is reduced.
Description
Technical field
The utility model relates to fixture, especially, relates to a kind of clamp for machining of moving turbine blade.
Background technology
Along with the development of aero engine technology, in modern aeroengine, the integral shroud of a lot of moving turbine blades is designed to zigzag; And very difficult assurance serrated face multi-angle requirement in the time of the serrated face of machining blade integral shroud.
At present, the processing of moving turbine blade serrated face multi-angle, the high operative employee of the experienced technical merit of main dependence, adopt traditional tenon tooth location, listrium to prop up by, the fixture that compresses tenon tooth, supplemental support and carry out the precessing saw flank of tooth, clamping workpiece is difficult to, and cannot guarantee the technical requirement of precessing saw flank of tooth multi-angle.In process, due to blade location, by, be pressed on tenon tooth position (leaf head), and there is certain distance in Working position (blade shroud position) on serrated face between tenon tooth and serrated face.In the time of the precessing saw flank of tooth, the grinding force of moment is subjected to displacement blade, serrated face produces shake line, and (distance between tenon tooth and serrated face is larger, phenomenon is more obvious), and existing fixture can not be eliminated serrated face at the shake line that is adding generation in man-hour, cause in blade processing process and easily produce displacement, affect blade processing precision.On the other hand, due to the defect of existing clamp structure design, serrated face crudy will lean on the operative employee that experienced technical merit is high to control, so people's level of skill is had relatively high expectations, easily produces processing " bottleneck " problem.Moreover higher product fraction defective, can cause the significant wastage of resource.
Utility model content
The utility model object is to provide a kind of clamp for machining of moving turbine blade, to solve moving turbine blade clamping difficulty in prior art, the technical problem that product fraction defective is high.
For achieving the above object, according to an aspect of the present utility model, a kind of clamp for machining of moving turbine blade is provided, comprise: base plate be fixed on the riser on base plate, on riser, be provided with to the tenon tooth end of moving turbine blade carried out the first clamping unit of clamping, the leaf basin of moving turbine blade middle part is carried out to the second clamping unit of clamping and supporting member that the sawtooth end of moving turbine blade is supported; The first clamping unit comprises the location-plate that is fixed on riser side, is provided with the adjustable tongue-and-groove of openings of sizes on location-plate, and the shape of the tenon tooth end of the shape of tongue-and-groove and moving turbine blade is suitable; The second clamping unit comprises the type piece suitable with the leaf basin of moving turbine blade middle part and the positioner that type piece is positioned.
Further, be positioned at the sawtooth end of moving turbine blade, the side of riser is provided with adjustable for height examination grinding attachment.
Further, examination grinding attachment comprises the screw and the adjusting device that regulates test portion plate height of test portion plate, fixing test portion plate; On test portion plate, offer kidney slot, the double-screw bolt end of screw is connected with riser sidewall through kidney slot, and adjusting device comprises the adjusting supporting and the adjusting nut being located in adjusting supporting that are arranged on test portion plate below.
Further, supporting member comprises and is arranged on the bulb support column supporting for the sawtooth end to moving turbine blade on riser.
Further, supporting member also comprises that being arranged on riser sidewall props up for the sawtooth end to moving turbine blade the backup plate leaning on.
Further, positioner comprises the second fixture of the flexible link belt of fixed piece and first fixture of fixing flexible connecting band one end and the fixing flexible connecting band other end.
Further, the first fixture is L-shaped mount pad, and mount pad is fixed on riser side, and one end and the mount pad of flexible link belt are hinged; The second fixture comprises pressing plate, and the below of pressing plate one end has been installed with straight pin, and the other end of flexible link belt is wound on straight pin fixing, and the other end of pressing plate is provided with pressing plate stopping means.
Further, pressing plate stopping means comprises limited screw and support screw; The double-screw bolt end of limited screw passes pressing plate and is fixed on riser, between pressing plate and riser, on limited screw, is being equipped with spring; Support screw is arranged on pressing plate below, and support screw one end contacts with the bottom surface of pressing plate, and the other end is fixed on base plate.
Further, the openings of sizes of the tongue-and-groove on location-plate regulates by set screw, and set screw is located in location-plate and through tongue-and-groove along the vertical direction of tongue-and-groove opening.
Further, location-plate end is provided with technological ball.
The utlity model has following beneficial effect:
The tenon tooth end of moving turbine blade is clamped by tongue-and-groove, and the leaf basin of middle part is provided with type piece location, and sawtooth end is provided with supporting members support, and moving turbine blade is subject to three-point fix, and clamping is firm, and workpiece is stressed evenly, can guarantee the crudy of workpiece; Meanwhile, the tenon tooth end of moving turbine blade directly clamps by tongue-and-groove, and the leaf basin of moving turbine blade middle part is tightened by type piece, and clamping is simple, reduces the operation easier of operator.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the clamp for machining preferred embodiment of the utility model moving turbine blade;
Fig. 2 is the structural representation after the clamp for machining preferred embodiment clamping workpiece of the utility model moving turbine blade; And
Fig. 3 is the cutaway view of A-A in Fig. 2.
Description of reference numerals:
101, base plate; 102, riser; 103, regulate supporting; 104, adjusting nut; 105, test portion plate; 106, screw; 107, bulb support column; 108, backup plate; 109, mount pad; 110, flexible link belt; 111, location-plate; 112, tongue-and-groove; 113, set screw; 114, technological ball; 115, type piece; 116, pressing plate; 117, limited screw; 118, spring; 119, support screw; 120, straight pin; 200, moving turbine blade.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Refer to Fig. 1 to Fig. 3, preferred embodiment of the present utility model provides a kind of clamp for machining of moving turbine blade, comprise: base plate 101 be fixed on the riser 102 on base plate 101, on riser 102, be provided with to the tenon tooth end of moving turbine blade 200 carried out the first clamping unit of clamping, the leaf basin of moving turbine blade 200 middle parts is carried out to the second clamping unit of clamping and the supporting member that the sawtooth end of moving turbine blade 200 is supported.The first clamping unit comprises the location-plate 111 that is fixed on riser 102 sides, is provided with the adjustable tongue-and-groove of openings of sizes 112 on location-plate 111, and the shape of the tenon tooth end of the shape of tongue-and-groove 112 and moving turbine blade 200 is suitable; The second clamping unit comprises the type piece 115 suitable with the leaf basin of moving turbine blade 200 middle parts and the positioner that type piece 115 is positioned.
When moving turbine blade 200 is carried out to clamping, the tenon tooth end of moving turbine blade 200 is placed in the tongue-and-groove 112 of location-plate 111, by reducing the opening size of tongue-and-groove 112, the tenon tooth end of moving turbine blade 200 is clamped by tongue-and-groove 112.The leaf basin of moving turbine blade 200 middle parts is circular-arc, in leaf basin, put into one with the suitable type piece 115 of its shape, reach the object that the leaf basin of moving turbine blade 200 middle parts is positioned by fixed piece 115.The sawtooth end of moving turbine blade 200 is machined surface, stressed larger, adopts supporting member to support it herein; Moving turbine blade 200 is subject to three-point fix thus, and clamping is firm, and workpiece is stressed evenly, can guarantee the crudy of workpiece; Meanwhile, the tenon tooth end of moving turbine blade 200 directly clamps by tongue-and-groove 112, and the leaf basin of moving turbine blade 200 middle parts is tightened by type piece 115, and clamping is simple, reduces the operation easier of operator.
The sawtooth end of moving turbine blade 200 is machined surface, stressed larger, for the sawtooth end that makes moving turbine blade 200 has the comparatively firm strong point.Preferably, supporting member comprises and is arranged on the bulb support column 107 supporting for the sawtooth end to moving turbine blade 200 on riser 102.Supporting member also comprises that being arranged on riser 102 sidewalls props up the backup plate 108 leaning on for the sawtooth end to moving turbine blade 200.Bulb support column 107 contacts with the bottom of moving turbine blade 200, the contacts side surfaces of backup plate 108 and moving turbine blade 200, and 2 stressed rear generation displacements of sawtooth end that support can prevent moving turbine blade 200, further improve the machining accuracy of workpiece.
Preferably, for simplifying the structure of fixture, the positioner that type piece 115 is positioned comprises the second fixture of the flexible link belt 110 of fixed piece 115 and first fixture of fixing flexible connecting band 110 one end and fixing flexible connecting band 110 other ends.The first fixture is L-shaped mount pad 109, and mount pad 109 is fixed on riser 102 sides, and one end of flexible link belt 110 and mount pad 109 are hinged; The second fixture comprises pressing plate 116, and the below of pressing plate 116 one end has been installed with straight pin 120, and the other end of flexible link belt 110 is wound on straight pin 120 fixing, and the other end of pressing plate 116 is provided with pressing plate stopping means.Pressing plate stopping means comprises limited screw 117 and support screw 119; The double-screw bolt end of limited screw 117 passes pressing plate 116 and is fixed on riser 102, is equipped with spring (118) on limited screw 7 between pressing plate 116 and riser 102; Support screw 119 is arranged on pressing plate 116 belows, and support screw 119 one end contact with the bottom surface of pressing plate 116, and the other end is fixed on base plate 101.Type piece 115 is put into after the leaf basin of moving turbine blade 200 middle parts, the end of flexible link belt 110 is wound on straight pin 120, coiling position adopts rivet to fix, and type piece 115 can not produce displacement being strapped in of flexible link belt 110, and then realize the object that the leaf basin of moving turbine blade 200 middle parts is positioned.
Preferably, for ease of operator, the openings of sizes of the tongue-and-groove 112 on location-plate 111 is regulated, the openings of sizes of the tongue-and-groove 112 on location-plate 111 regulates by set screw 113, and set screw 113 is located in location-plate 111 and through tongue-and-groove 112 along the vertical direction of tongue-and-groove 112 openings.
Preferably, for ease of operator, processed workpiece is measured, location-plate 111 ends are provided with technological ball 114.Technological ball is the measuring basis of workpiece, and for guaranteeing certainty of measurement, the roughness on technological ball 114 surfaces is generally designed to 0.4.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
The tenon tooth end of moving turbine blade 200 is clamped by tongue-and-groove 112, and the leaf basin of middle part is provided with type piece 115 and locates, and sawtooth end is provided with supporting members support, moving turbine blade 200 is subject to three-point fix, clamping is firm, and workpiece is stressed evenly, can guarantee the crudy of workpiece; Meanwhile, the tenon tooth end of moving turbine blade 200 directly clamps by tongue-and-groove 112, and the leaf basin of moving turbine blade 200 middle parts is tightened by type piece 115, and clamping is simple, reduces the operation easier of operator.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model; For a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a clamp for machining for moving turbine blade, is characterized in that, comprising:
Base plate (101) be fixed on the riser (102) on described base plate (101), on described riser (102), be provided with to the tenon tooth end of described moving turbine blade (200) carried out the first clamping unit of clamping, the leaf basin of described moving turbine blade (200) middle part is carried out to the second clamping unit of clamping and supporting member that the sawtooth end of described moving turbine blade (200) is supported;
Described the first clamping unit comprises the location-plate (111) that is fixed on described riser (102) side, on described location-plate (111), be provided with the adjustable tongue-and-groove of openings of sizes (112), the shape of the tenon tooth end of the shape of described tongue-and-groove (112) and described moving turbine blade (200) is suitable;
Described the second clamping unit comprises the type piece (115) suitable with the leaf basin of described moving turbine blade (200) middle part and the positioner that described type piece (115) is positioned.
2. the clamp for machining of moving turbine blade according to claim 1, is characterized in that:
Be positioned at the sawtooth end of described moving turbine blade (200), the side of described riser (102) is provided with adjustable for height examination grinding attachment.
3. the clamp for machining of moving turbine blade according to claim 2, is characterized in that:
Described examination grinding attachment comprises the screw (106) and the adjusting device that regulates described test portion plate (105) height of test portion plate (105), fixing described test portion plate (105); On described test portion plate (105), offer kidney slot, the double-screw bolt end of described screw (106) is connected with described riser (102) sidewall through described kidney slot, and described adjusting device comprises the adjusting supporting (103) and the adjusting nut (104) being located in described adjusting supporting (103) that are arranged on described test portion plate (105) below.
4. the clamp for machining of moving turbine blade according to claim 1, is characterized in that:
Described supporting member comprises that being arranged on described riser (102) goes up the bulb support column (107) for the sawtooth end of described moving turbine blade (200) is supported.
5. the clamp for machining of moving turbine blade according to claim 4, is characterized in that:
Described supporting member also comprises that being arranged on described riser (102) sidewall is used for the sawtooth end of described moving turbine blade (200) to prop up the backup plate (108) leaning on.
6. the clamp for machining of moving turbine blade according to claim 1, is characterized in that:
Described positioner comprises flexible link belt (110) and first fixture of fixing described flexible link belt (110) one end and second fixture of fixing described flexible link belt (110) other end of fixing described type piece (115).
7. the clamp for machining of moving turbine blade according to claim 6, is characterized in that:
Described the first fixture is L-shaped mount pad (109), described mount pad (109) is fixed on described riser (102) side, and one end of described flexible link belt (110) and described mount pad (109) are hinged; Described the second fixture comprises pressing plate (116), the below of described pressing plate (116) one end has been installed with straight pin (120), it is upper fixing that the other end of described flexible link belt (110) is wound on described straight pin (120), and the other end of described pressing plate (116) is provided with pressing plate stopping means.
8. the clamp for machining of moving turbine blade according to claim 7, is characterized in that:
Described pressing plate stopping means comprises limited screw (117) and support screw (119); The double-screw bolt end of described limited screw (117) is through described pressing plate (116) and be fixed on described riser (102) above, is positioned between described pressing plate (116) and described riser (102) and is equipped with spring (118) on described limited screw (117); Described support screw (119) is arranged on described pressing plate (116) below, described support screw (119) one end contacts with the bottom surface of described pressing plate (116), and the other end is fixed on described base plate (101).
9. the clamp for machining of moving turbine blade according to claim 1, is characterized in that:
The openings of sizes of the tongue-and-groove (112) on described location-plate (111) regulates by set screw (113), and described set screw (113) is located in described location-plate (111) and through described tongue-and-groove (112) along the vertical direction of described tongue-and-groove (112) opening.
10. the clamp for machining of moving turbine blade according to claim 1, is characterized in that:
Described location-plate (111) end is provided with technological ball (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744457.4U CN203599908U (en) | 2013-11-21 | 2013-11-21 | Machining clamp for turbine work blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744457.4U CN203599908U (en) | 2013-11-21 | 2013-11-21 | Machining clamp for turbine work blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203599908U true CN203599908U (en) | 2014-05-21 |
Family
ID=50712607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744457.4U Expired - Fee Related CN203599908U (en) | 2013-11-21 | 2013-11-21 | Machining clamp for turbine work blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203599908U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834839A (en) * | 2016-04-06 | 2016-08-10 | 中国南方航空工业(集团)有限公司 | Method for grinding double-angle tenon tooth meter aligning part |
| CN106737172A (en) * | 2016-12-21 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Grinding attachment |
| CN108372411A (en) * | 2016-12-20 | 2018-08-07 | 中国航空制造技术研究院 | A kind of blade air film hole machined flexible locking positioning device and localization method |
| CN110281124A (en) * | 2019-07-02 | 2019-09-27 | 东莞领杰金属精密制造科技有限公司 | A kind of serial combination type polishing jig and the burnishing device using it |
| CN110524069A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of processing inclined position guiding device |
| CN113182906A (en) * | 2021-06-16 | 2021-07-30 | 中国航发航空科技股份有限公司 | Aeroengine turbine blade machining clamp and clamping method thereof |
| CN113681322A (en) * | 2021-09-29 | 2021-11-23 | 中国航发动力股份有限公司 | Blade positioning key end face machining clamping device and method |
-
2013
- 2013-11-21 CN CN201320744457.4U patent/CN203599908U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834839A (en) * | 2016-04-06 | 2016-08-10 | 中国南方航空工业(集团)有限公司 | Method for grinding double-angle tenon tooth meter aligning part |
| CN105834839B (en) * | 2016-04-06 | 2018-03-02 | 中国南方航空工业(集团)有限公司 | Method of the double angle tenon tooths of grinding to table part |
| CN108372411A (en) * | 2016-12-20 | 2018-08-07 | 中国航空制造技术研究院 | A kind of blade air film hole machined flexible locking positioning device and localization method |
| CN106737172A (en) * | 2016-12-21 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Grinding attachment |
| CN110281124A (en) * | 2019-07-02 | 2019-09-27 | 东莞领杰金属精密制造科技有限公司 | A kind of serial combination type polishing jig and the burnishing device using it |
| CN110524069A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of processing inclined position guiding device |
| CN113182906A (en) * | 2021-06-16 | 2021-07-30 | 中国航发航空科技股份有限公司 | Aeroengine turbine blade machining clamp and clamping method thereof |
| CN113182906B (en) * | 2021-06-16 | 2022-12-09 | 中国航发航空科技股份有限公司 | Aeroengine turbine blade machining clamp and clamping method thereof |
| CN113681322A (en) * | 2021-09-29 | 2021-11-23 | 中国航发动力股份有限公司 | Blade positioning key end face machining clamping device and method |
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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: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20201121 |