CN201744716U - Clamp dedicated for fine milling of radial inclined planes of blade basin - Google Patents
Clamp dedicated for fine milling of radial inclined planes of blade basin Download PDFInfo
- Publication number
- CN201744716U CN201744716U CN201020289347XU CN201020289347U CN201744716U CN 201744716 U CN201744716 U CN 201744716U CN 201020289347X U CN201020289347X U CN 201020289347XU CN 201020289347 U CN201020289347 U CN 201020289347U CN 201744716 U CN201744716 U CN 201744716U
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- base plate
- blade
- blade root
- integral shroud
- taper liner
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- Expired - Lifetime
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- 238000003801 milling Methods 0.000 title claims abstract description 20
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a clamp dedicated for fine milling of radial inclined planes of a blade basin, which is characterized by comprising a bottom plate, a tailstock center module provided with a cross center, a blade root positioning and clamping module is also arranged on the bottom plate and comprises a stop pin and an inclined cushion block, the inclined cushion block is positioned between the stop pin and the tailstock center module and provided with two positioning surfaces, and the inclined cushion block is provided with two adjustable screws relative to the two positioning surfaces. The clamp can realize milling of radial inclined planes of the blade basin on a plain milling machine, and has the advantages of simple structure, high processing precision and low processing cost and convenient operation.
Description
Affiliated technical field
The utility model relates to and belongs to lathe worker packing technique field, relate in particular to a kind of on milling machine the special fixture of processing vapor turbine blade basin radial.
Background technology
As shown in Figure 1, the overall structure of Steam Turbine Through IP Admission I grade standard moving vane 100 ' is complicated unusually, it is by adding that with irregular prismatic integral shroud 1 ' and irregular prismatic blade root 2 ' 3 ' three parts of cambered surface blade of distortion constitute, blade root 2 ' goes up the arc tenon tooth that has symmetry, and the cambered surface blade 3 ' of distortion divides basin cambered surface 31 ' and convex surface 32 ' again.There is windup-degree in integral shroud 1 ' with blade root 2 ', and what integral shroud 1 ' and blade root 2 ' occurred on the basin sagittal plane simultaneously is the dihedral angle inclined-plane, space that reverses mutually, and their neither one common plane are as machining benchmark on whole blade.What unique energy relied on is blade profile coordinate x, y and blade central axis.That is to say integral shroud 1 ' exist with blade root 2 ' turn round mutually, mutually under the wrong situation, also there is an inclination angle in the basin sagittal plane, has constituted the inclined-plane of integral shroud with the different dihedral angles of blade root respectively.To realize the processing of blade basin radial 10 ' for this reason and guarantee dimension precision requirement, an accurate in locating must be arranged during clamping.
Summary of the invention
The utility model provides a kind of special fixture of finish-milling blade basin radial, and its purpose is to provide a kind of special fixture that can realize the Milling Process of the turbine blade basin radial that do not have the common plane benchmark.
The utility model technical scheme that adopts of dealing with problems is:
A kind of special fixture of finish-milling blade basin radial is characterized in that: have a base plate; Base plate is provided with has laterally top tailstock center assembly; Also be provided with blade root location clamp assembly on the base plate, blade root location clamp assembly comprises backing pin and taper liner piece, the taper liner piece is between backing pin and tailstock center assembly, and the taper liner piece has two locating surfaces, and the taper liner piece is respectively arranged with two expansion screws in the position with respect to two locating surfaces.
Above-mentioned base plate is provided with the T type groove that radially extends, and the bottom of tailstock center assembly is located in the T type groove.
Be installed with integral shroud on the base plate between tailstock center assembly and the taper liner piece and support clamp assembly, integral shroud supports two integral shroud support plates that clamp assembly comprises the position correspondence that install the pillar that protrudes upward installed on the base plate and base plate both sides, is provided with expansion screw accordingly on two integral shroud support plates.
Be installed with shelf and blade root support plate on the taper liner piece, two expansion screws are located at respectively on shelf and the blade root support plate.
Usefulness of the present utility model is: the utility model anchor clamps can apply to realize do not have the processing of the turbine blade basin radial of common plane benchmark.Promptly change integral shroud and blade root benchmark separately, and be that the axle center rotates rearmounted integral shroud transverse on the horizontal line position with the blade centreline, put blade root on the inclined-plane cushion block, again the blade root end is raised then, form an axial angle, blade basin sagittal plane is horizontal fully, utilizes Milling Process can finish the processing of blade basin radial.Can on plain-milling machine, realize blade basin radial Milling Process by this grip device, simple in structure, operating aspect, the machining accuracy height, processing charges is low.
Description of drawings
Fig. 1 is the blade construction schematic diagram;
Fig. 2 is the utility model clamp structure schematic diagram;
Fig. 3 is the schematic diagram of the utility model clamp structure other direction;
Fig. 4 is the utility model clamping view.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
See Fig. 1, part to be processed is to press 1 grade of moving vane 100 ' in the steam turbine turbine, and the dimensional accuracy of its blade basin radial 10 ' is ± 0.03, and angle tolerance is ± 0.018 °.Integral shroud 1 ' has centre bore 101 '.
As Fig. 2, shown in Figure 3, the utility model comprises that base plate 1, base plate 1 are provided with the T type groove 13 that radially extends, and the bottom of tailstock center assembly 11 is that T type and cooperation are embedded in the T type groove 13, and the bottom of tailstock center assembly 11 is fixing after T type groove 13 can be adjusted.Tailstock center assembly 11 has horizontal top 110.
Also be provided with blade root location clamp assembly on the base plate 1, blade root location clamp assembly comprises backing pin 7 and taper liner piece 5, taper liner piece 5 is between backing pin 7 and tailstock center assembly 11, the taper liner piece has two locating surfaces 51,52, be installed with shelf 8 on the taper liner piece 5, the position of shelf 8 is corresponding with the position of locating surface 51, corresponding locating surface 51 is provided with expansion screw 9 on the shelf 8, also be provided with blade root support plate 6 on the taper liner piece 5, the position of blade root support plate 6 is corresponding with locating surface 52, and corresponding locating surface 52 is provided with expansion screw 10 on the blade root support plate 6.
Be installed with integral shroud on the base plate between tailstock center assembly 11 and the taper liner piece 5 and support clamp assembly, integral shroud supports clamp assembly and comprises the pillar that protrudes upward 2 that is located at base plate 1, the bottom of pillar 2 is screw thread and is arranged in the screw on the base plate 1, thereby pillar 2 can be adjusted height up and down, the integral shroud supporting component comprises that also two integral shroud support plate A3 of the position correspondence that install base plate 1 both sides are preced with support plate B4 with page or leaf, and two integral shroud support plate A3 are preced with on the support plate B4 with page or leaf and are provided with expansion screw 31 and expansion screw 41 accordingly.
During use, above-mentioned blade root location clamp assembly is used for blade root 2 ' location and clamps.Above-mentioned integral shroud supports clamp assembly, is used to realize that integral shroud 1 ' supports and clamps.Above-mentioned tailstock center assembly is used to realize integral shroud 1 ' centralized positioning and axially holds out against.Have U-lag on the base plate 1, be used for being connected with milling machine table.
Add man-hour, as shown in Figure 4, earlier anchor clamps are installed on the milling machine table by inclined-plane base plate 1; Then blade root 2 ' is positioned on the inclined-plane cushion block 5, also be blade root 2 ' between shelf 8 and the locating surface 51 and blade root 2 ' between blade root support plate 6 and locating surface 51.Blade root 2 ' head also is close to backing pin 7, and tailstock centre 110 holds out against the axial location that integral shroud 1 ' centre bore 101 ' is finished blade.Rotation expansion screw 9, expansion screw 10, thus blade root location clamp assembly clamps blade root 2 '.Thereby the expansion screw 31 on adjustable fixing 2, the integral shroud support plate A3, expansion screw 32 integral shrouds on the integral shroud support plate B4 support clamp assembly and clamp integral shroud 1 ', finally finish stepping up of blade.
The utility model is arranged in the T type groove 13 at base plate 1 center and accurately adjusts the length distance by tailstock center assembly 11, laterally top 110 be locked on the high position, the center of standard.It is to influence machining accuracy in order to eliminate the many unavoidable error of bringing behind the conversion benchmark that integral shroud 1 ' centre bore 101 ' is withstood in employing horizontal top 110, the more important thing is that eliminate two multiaspect locatees mutual interference situation as far as possible, has also simplified manufacture difficulty.The axial symmetrical plane of taper liner piece 5, the position of blade centreline are identical with the center for standard height, and promptly blade centreline overlaps fully with the center line position of anchor clamps behind clamping.Specific for this reason foundation serves as the location benchmark with blade root taper liner piece 5 single heads, and integral shroud 1 ' makes two ends control to unified centre-height with the top location of centre bore.Two locating surfaces 51,52 of taper liner piece 5 and backing pin 7 are combined into main alignment restrictions and have lived six-freedom degree, and by laterally top 110 holding out against, expansion screw 9,10 compresses finishes main body vane stability clamping then.Pillar 2 is made auxiliary adjustable supports, and both sides expansion screw 31,41 is done auxiliary compressing makes it more stable in processing cutting loading process.All parts all are installed on the base plate 1, and the axial symmetrical plane of the center line of T type groove 13 and horizontal top 110 centers and taper liner piece 5 coexists on the same vertical guide fully.Behind the blade clamping, its center line also is in this face, base plate 1 two ends have high low head to form an angle, form this angle inclination angle of blade basin sagittal plane 10 ' just, when anchor clamps are loaded on the milling machine table, the blade of packing into, the plane after its blade milling is the blade basin radial 10 ' of designing requirement just.
Claims (4)
1. the special fixture of a finish-milling blade basin radial is characterized in that: have a base plate; Base plate is provided with has laterally top tailstock center assembly; Also be provided with blade root location clamp assembly on the base plate, blade root location clamp assembly comprises backing pin and taper liner piece, the taper liner piece is between backing pin and tailstock center assembly, and the taper liner piece has two locating surfaces, and the taper liner piece is respectively arranged with two expansion screws in the position with respect to two locating surfaces.
2. the special fixture of finish-milling blade basin radial as claimed in claim 1 is characterized in that: base plate is provided with the T type groove that radially extends, and the bottom of tailstock center assembly is located in the T type groove.
3. the special fixture of finish-milling blade basin radial as claimed in claim 1, it is characterized in that: be installed with integral shroud on the base plate between tailstock center assembly and the taper liner piece and support clamp assembly, integral shroud supports two integral shroud support plates that clamp assembly comprises the position correspondence that install the pillar that protrudes upward installed on the base plate and base plate both sides, is provided with expansion screw accordingly on two integral shroud support plates.
4. the special fixture of finish-milling blade basin radial as claimed in claim 1 is characterized in that: be installed with shelf and blade root support plate on the taper liner piece, two expansion screws are located at respectively on shelf and the blade root support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020289347XU CN201744716U (en) | 2010-08-12 | 2010-08-12 | Clamp dedicated for fine milling of radial inclined planes of blade basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020289347XU CN201744716U (en) | 2010-08-12 | 2010-08-12 | Clamp dedicated for fine milling of radial inclined planes of blade basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201744716U true CN201744716U (en) | 2011-02-16 |
Family
ID=43579386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020289347XU Expired - Lifetime CN201744716U (en) | 2010-08-12 | 2010-08-12 | Clamp dedicated for fine milling of radial inclined planes of blade basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201744716U (en) |
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| CN102179552A (en) * | 2011-04-07 | 2011-09-14 | 无锡透平叶片有限公司 | Method and special fixture for improving processed surface toughness of poppet root |
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| CN102632416A (en) * | 2012-05-04 | 2012-08-15 | 苏州市达圣机械有限公司 | Clamp for drilling inclined hole |
| CN102989991A (en) * | 2012-12-06 | 2013-03-27 | 无锡透平叶片有限公司 | Positioning device for washed cutting of flashes of blade forgings |
| CN103071837A (en) * | 2012-12-29 | 2013-05-01 | 天津台荣精密机械工业有限公司 | Device for conveniently processing specially-shaped workpieces and operating method thereof |
| CN103170860A (en) * | 2013-03-28 | 2013-06-26 | 西北工业大学 | Hollow turbine blade wax mould cantilever-type clamp |
| CN103350358A (en) * | 2013-07-29 | 2013-10-16 | 四川省自贡市海川实业有限公司 | Blade tenon tooth milling clamp |
| CN103471539A (en) * | 2013-09-26 | 2013-12-25 | 海克斯康测量技术(青岛)有限公司 | Coordinate measuring machine blade clamping unit and modular measuring clamp |
| CN103921146A (en) * | 2014-04-04 | 2014-07-16 | 西北工业大学 | Fixture for processing of precisely-forged blade tenon root |
| CN104191264A (en) * | 2014-08-06 | 2014-12-10 | 哈尔滨汽轮机厂有限责任公司 | Clamping and positioning device for machining gas turbine power turbine guide vane datum face |
| CN104289934A (en) * | 2014-08-25 | 2015-01-21 | 哈尔滨汽轮机厂有限责任公司 | Blade locating device for machining milling dowel of compression ignition guide blade of milling machine |
| CN104369020A (en) * | 2014-11-13 | 2015-02-25 | 四川成发航空科技股份有限公司 | Fixture for machining of high-temperature alloy precision casting blade |
| CN105415020A (en) * | 2016-01-22 | 2016-03-23 | 沈阳黎明航空发动机(集团)有限责任公司 | Vane clamp with detachable positioning face |
| CN105415028A (en) * | 2015-12-09 | 2016-03-23 | 四川成发航空科技股份有限公司 | Improved type universal fixture for machining blade profile |
| CN106271734A (en) * | 2016-08-29 | 2017-01-04 | 中航动力股份有限公司 | A kind of line cutting positioning fixture |
| CN106392694A (en) * | 2016-08-30 | 2017-02-15 | 南通中能机械制造有限公司 | Four-axis milling machine fixture with dual blade roots and blades |
| CN106514356A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Universal clamp device for total-length finish milling of turbine blades |
| CN106625337A (en) * | 2016-12-28 | 2017-05-10 | 无锡透平叶片有限公司 | Root positioning mechanism for T root blade profile detection of steam turbine |
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| CN106736718A (en) * | 2017-03-24 | 2017-05-31 | 无锡飞而康精铸工程有限公司 | A kind of fixture for high temperature alloy precision castings blade processing |
| CN107322334A (en) * | 2017-07-14 | 2017-11-07 | 哈尔滨汽轮机厂有限责任公司 | A kind of milling integral shroud molded line special fixture |
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-
2010
- 2010-08-12 CN CN201020289347XU patent/CN201744716U/en not_active Expired - Lifetime
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| CN102179552B (en) * | 2011-04-07 | 2013-05-15 | 无锡透平叶片有限公司 | Method and special fixture for improving processed surface toughness of poppet root |
| CN102179552A (en) * | 2011-04-07 | 2011-09-14 | 无锡透平叶片有限公司 | Method and special fixture for improving processed surface toughness of poppet root |
| CN102357813A (en) * | 2011-09-09 | 2012-02-22 | 山东大学 | Fixture for processing and detecting blade of aircraft engine |
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| CN106625337A (en) * | 2016-12-28 | 2017-05-10 | 无锡透平叶片有限公司 | Root positioning mechanism for T root blade profile detection of steam turbine |
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| CN107322334A (en) * | 2017-07-14 | 2017-11-07 | 哈尔滨汽轮机厂有限责任公司 | A kind of milling integral shroud molded line special fixture |
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| CN107838719B (en) * | 2017-12-04 | 2023-04-28 | 无锡透平叶片有限公司 | Clamp for machining dovetail-shaped blade root of compressor blade |
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| CN109968066A (en) * | 2019-04-29 | 2019-07-05 | 哈尔滨汽轮机厂有限责任公司 | A kind of clamping device and method for processing steam turbine special vane and integral shroud |
| CN109968066B (en) * | 2019-04-29 | 2023-10-10 | 哈尔滨汽轮机厂有限责任公司 | Clamping device and method for machining special blade and blade crown of steam turbine |
| CN110142624A (en) * | 2019-06-10 | 2019-08-20 | 哈尔滨汽轮机厂有限责任公司 | The Combined machining fixture and processing method in a kind of steam turbine bacterial type blade root class blade radial face |
| CN110480380A (en) * | 2019-09-03 | 2019-11-22 | 南通中能机械制造有限公司 | A kind of pincer blade root special milling fixture |
| CN110640507A (en) * | 2019-11-07 | 2020-01-03 | 河海大学常州校区 | Blade positioning device |
| CN111957464A (en) * | 2020-06-30 | 2020-11-20 | 中国航发南方工业有限公司 | Blade shroud spraying protection clamp and method for turbine blade |
| CN113787223A (en) * | 2021-09-29 | 2021-12-14 | 中国航发航空科技股份有限公司 | Blade circumferential arc hammer foot-shaped tenon machining device and machining method thereof |
| CN114227462A (en) * | 2021-12-15 | 2022-03-25 | 贵阳航发精密铸造有限公司 | Turbine blade dihedral angle chord width machining device and machining method |
| CN114227462B (en) * | 2021-12-15 | 2024-04-09 | 贵阳航发精密铸造有限公司 | Device and method for machining dihedral angle chord width of turbine blade |
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Address after: 643020 Zigong City, Sichuan Province town of salt soil Gongjing District Road West Section of No. 1351 Patentee after: Sichuan Province Zigong City Haichuan Industrial Co., Ltd. Address before: 643000 Zigong City, Sichuan province gongjingou argyi Street No. 178 Patentee before: Sichuan Province Zigong City Haichuan Industrial Co., Ltd. |
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Denomination of utility model: Clamp dedicated for fine milling of radial inclined planes of blade basin Effective date of registration: 20180228 Granted publication date: 20110216 Pledgee: Zigong industrial and Credit Enterprise Investment Co., Ltd. Pledgor: Sichuan Province Zigong City Haichuan Industrial Co., Ltd. Registration number: 2018510000026 |
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