CN105415038A - Fixture for overall length linear cutting of steam turbine stator blades - Google Patents

Fixture for overall length linear cutting of steam turbine stator blades Download PDF

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Publication number
CN105415038A
CN105415038A CN201511014971.2A CN201511014971A CN105415038A CN 105415038 A CN105415038 A CN 105415038A CN 201511014971 A CN201511014971 A CN 201511014971A CN 105415038 A CN105415038 A CN 105415038A
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CN
China
Prior art keywords
blade
plate
major part
microcephaly
location
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201511014971.2A
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Chinese (zh)
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CN105415038B (en
Inventor
王成富
魏立峰
姜龙网
董欣欣
丁栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Turbine Blade Co Ltd
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Wuxi Turbine Blade Co Ltd
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Priority to CN201511014971.2A priority Critical patent/CN105415038B/en
Publication of CN105415038A publication Critical patent/CN105415038A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

The invention provides a fixture for overall length linear cutting of steam turbine stator blades. The fixture is capable of solving the problems of poor universality, high manufacturing and maintenance costs and long stator blade production period of an existing fixture for overall length linear cutting of steam turbine stator blades. The fixture comprises a fixture baseplate assembly, a blade profile positioning assembly, a measuring plate assembly and a blade center device; the blade profile positioning assembly comprises a blade small-end positioning plate and a blade big-end positioning plate; the blade small-end positioning plate and the blade big-end positioning plate are provided with positioning profiles matched with convex profiles of blades, respectively; the measuring plate assembly comprises a blade small-end measuring plate and a blade big-end measuring plate, the two of which are mounted on two transverse side surfaces of the fixture baseplate assembly, respectively; the blade small-end positioning plate and the blade big-end positioning plate are symmetrically mounted on the fixture baseplate assembly; the blade center device is mounted on the fixture baseplate assembly, and a center of the blade center device tightly props against a concave profile of a blade.

Description

For the fixture of steam turbine stator blade overall length Linear cut
Technical field
The present invention relates to the frock clamp field of steam turbine stator blade processing, be specially the fixture for steam turbine stator blade overall length Linear cut.
Background technology
The two ends processing of steam turbine stator blade normally adopts the mode machine-shaping of Linear cut, general linear cutting clamp is located with blade profile, when carrying out Linear cut by the measurement plate at fixture two ends to line and measurement, and the blade profile location structure on linear cutting clamp, the measurement plate of both sides is all overall structure with jig main body, and due to the kind of steam turbine stator blade very many, so carry out Linear cut clamping for the stator blade of different cultivars all need the special fixture that design is supporting separately, therefore existing special fixture poor universality, result in enterprise frock clamp stock huge, the frock manufacture of enterprise, maintenance cost is high, result also in the problem of the production cycle length of stator blade.
Summary of the invention
For the problems referred to above, the invention provides the fixture for steam turbine stator blade overall length Linear cut, it can solve the existing fixture poor universality for steam turbine stator blade overall length Linear cut, frock manufacture and maintenance cost is high, problem that the stator blade production cycle is long.
For the fixture of steam turbine stator blade overall length Linear cut, it is characterized in that: it comprises clamp bottom board assembly, blade profile positioning component, measure board component and blade tips device, described blade profile positioning component comprises blade microcephaly location-plate, blade major part location-plate, described blade microcephaly location-plate, blade major part location-plate is respectively equipped with the location profile matched with blade convexity profile, described measurement board component comprises blade microcephaly and measures plate, blade major part measures plate, described blade microcephaly measures plate, blade major part measures the both lateral sides face that plate is installed on described clamp bottom board assembly respectively, described blade microcephaly location-plate, blade major part location-plate is installed on described clamp bottom board assembly symmetrically, described blade tips device is installed on described clamp bottom board assembly, the top of described blade tips device holds out against blade concavity profile.
Further, described clamp bottom board assembly comprises clamp bottom board, described clamp bottom board is symmetrically installed with blade microcephaly positioning plate seat and blade major part positioning plate seat, described blade microcephaly location-plate, blade major part location-plate are installed in described blade microcephaly positioning plate seat, in blade major part positioning plate seat respectively.
Further, described blade microcephaly measure plate, blade major part measure plate be installed on lateral outer side on described clamp bottom board respectively by screw and the horizontal medial extremity that described blade microcephaly measures plate, blade major part measures plate respectively with described blade microcephaly location-plate, blade major part location-plate against.
Further, described clamp bottom board lays respectively at described blade microcephaly measures plate, blade major part measures plate longitudinal both side ends is all provided with and measures plate locating piece and measure plate scotch.
Further, described blade microcephaly positioning plate seat, blade major part positioning plate seat are and have L shape groove, the L shape groove of described blade microcephaly positioning plate seat, blade major part positioning plate seat is arranged dorsad, described blade microcephaly location-plate, blade major part location-plate are installed in the L shape groove of described blade microcephaly positioning plate seat, blade major part positioning plate seat respectively, and are all fixed by screw, nut and described blade microcephaly positioning plate seat, blade major part positioning plate seat.
Further, described clamp bottom board lays respectively at described blade microcephaly positioning plate seat, longitudinal both side ends of blade major part positioning plate seat is all provided with location-plate locating piece and location-plate scotch.
Further, described blade tips device comprises dead head and described top, described dead head vertically has the top installing hole of a row, describedly toply selects to be installed in arbitrary described top installing hole according to leaf position.
Beneficial effect of the present invention is: existing monoblock type fixture formal transformation is the fixture form of modular assembly formula by it, require to make corresponding blade positioning component, Blade measuring board component to line according to the moulding surface structure of dissimilar stator blade, size dimension and two ends Linear cut, thus for the clamping of the two ends Linear cut of the dissimilar stator blade blade positioning component that only needs to change the outfit corresponding as requested, Blade measuring board component to meet fixture versatility requirement; Specifically, as long as blade microcephaly location-plate, blade major part location-plate that its configuration adapts with each stator blade, blade microcephaly measures plate, blade major part measures plate, can meet the location of dissimilar stator blade and Linear cut to line requirement, therefore substantially increase the versatility of fixture, and effectively reduce frock manufacture and maintenance cost high, also just shorten the stator blade production cycle, raise labour productivity.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention for the fixture of steam turbine stator blade overall length Linear cut;
Fig. 2 is the left TV structure schematic diagram of Fig. 1;
Fig. 3 is the plan structure schematic diagram of Fig. 1;
Fig. 4 is the plan structure schematic diagram of the present invention for clamp bottom board assembly in the fixture of steam turbine stator blade overall length Linear cut.
Reference numeral: 11-clamp bottom board; 12-blade microcephaly positioning plate seat; 13-blade major part positioning plate seat; 14-L shape groove; 15-screw; 16-nut; 17-screw; 181-measures plate locating piece, 182-location-plate locating piece, 191-measurement plate scotch, 192-location-plate scotch; 21-blade microcephaly location-plate, 22-blade major part location-plate, 31-blade microcephaly measure plate, 32-blade major part measures plate, 41-dead head, 42-are top, the top installing hole of 43-; 50-blade.
Detailed description of the invention
See Fig. 1 ~ Fig. 4, for the fixture of steam turbine stator blade overall length Linear cut, it comprises clamp bottom board assembly, blade profile positioning component, measure board component and blade tips device, clamp bottom board assembly comprises clamp bottom board 11, blade profile positioning component comprises blade microcephaly location-plate 21, blade major part location-plate 22, blade microcephaly location-plate 21, blade major part location-plate 22 is respectively equipped with the location profile A matched with blade convexity profile, B, clamp bottom board is symmetrically installed with blade microcephaly positioning plate seat 12 and blade major part positioning plate seat 13, blade microcephaly positioning plate seat 12 and blade major part positioning plate seat 13 are and have L shape groove 14, blade microcephaly positioning plate seat 12, the L shape groove of blade major part positioning plate seat 13 is arranged dorsad, blade microcephaly location-plate 21, blade major part location-plate 22 is installed on blade microcephaly positioning plate seat 12 respectively, in the L shape groove 14 of blade major part positioning plate seat 13, and all by screw 15, nut 16 and blade microcephaly positioning plate seat 12, blade major part positioning plate seat 13 is fixed, clamp bottom board 11 lays respectively at blade microcephaly positioning plate seat 12, longitudinal both side ends of blade major part positioning plate seat 13 is all provided with location-plate locating piece 182 and location-plate scotch 192, for determining plate 21 to blade microcephaly, blade major part location-plate 22 carries out longitudinal location and compression, measure board component and comprise that blade microcephaly measures plate 31, blade major part measures plate 32, blade microcephaly measures plate 31, blade major part measure plate 32 be installed on lateral outer side on clamp bottom board 11 respectively by screw 17 and the horizontal medial extremity that blade microcephaly measures plate 31, blade major part measures plate 32 locate with blade microcephaly location-plate 21, blade major part respectively 22 plates against, clamp bottom board 11 lays respectively at blade microcephaly measures plate 31, blade major part measures plate 32 longitudinal both side ends is all provided with and measures plate locating piece 181 and measure plate scotch 191, and for measuring plate 31 to blade microcephaly, blade major part measures plate 32 and carry out longitudinal location and compression, blade tips device comprises dead head 41 and top 42, dead head 41 vertically has the top installing hole 43 of a row, and top 42 select to be installed in arbitrary top installing hole 43 according to leaf position, and top 42 hold out against blade concavity profile.

Claims (7)

1. for the fixture of steam turbine stator blade overall length Linear cut, it is characterized in that: it comprises clamp bottom board assembly, blade profile positioning component, measure board component and blade tips device, described blade profile positioning component comprises blade microcephaly location-plate, blade major part location-plate, described blade microcephaly location-plate, blade major part location-plate is respectively equipped with the location profile matched with blade convexity profile, described measurement board component comprises blade microcephaly and measures plate, blade major part measures plate, described blade microcephaly measures plate, blade major part measures the both lateral sides face that plate is installed on described clamp bottom board assembly respectively, described blade microcephaly location-plate, blade major part location-plate is installed on described clamp bottom board assembly symmetrically, described blade tips device is installed on described clamp bottom board assembly, the top of described blade tips device holds out against blade concavity profile.
2. the fixture for steam turbine stator blade overall length Linear cut according to claim 1, it is characterized in that: described clamp bottom board assembly comprises clamp bottom board, described clamp bottom board is symmetrically installed with blade microcephaly positioning plate seat and blade major part positioning plate seat, described blade microcephaly location-plate, blade major part location-plate are installed in described blade microcephaly positioning plate seat, in blade major part positioning plate seat respectively.
3. the fixture for steam turbine stator blade overall length Linear cut according to claim 2, is characterized in that: described blade microcephaly measures plate, blade major part measure plate be installed on lateral outer side on described clamp bottom board respectively by screw and the horizontal medial extremity that described blade microcephaly measures plate, blade major part measures plate respectively with described blade microcephaly location-plate, blade major part location-plate against.
4. the fixture for steam turbine stator blade overall length Linear cut according to claim 3, is characterized in that: described clamp bottom board lays respectively at described blade microcephaly measures plate, blade major part measures plate longitudinal both side ends is all provided with and measures plate locating piece and measure plate scotch.
5. the fixture for steam turbine stator blade overall length Linear cut according to claim 4, it is characterized in that: described blade microcephaly positioning plate seat, blade major part positioning plate seat are and have L shape groove, the L shape groove of described blade microcephaly positioning plate seat, blade major part positioning plate seat is arranged dorsad, described blade microcephaly location-plate, blade major part location-plate are installed in the L shape groove of described blade microcephaly positioning plate seat, blade major part positioning plate seat respectively, and are all fixed by screw, nut and described blade microcephaly positioning plate seat, blade major part positioning plate seat.
6. the fixture for steam turbine stator blade overall length Linear cut according to claim 5, is characterized in that: described clamp bottom board lays respectively at described blade microcephaly positioning plate seat, longitudinal both side ends of blade major part positioning plate seat is all provided with location-plate locating piece and location-plate scotch.
7. the fixture for steam turbine stator blade overall length Linear cut according to claim 6, it is characterized in that: described blade tips device comprises dead head and described top, described dead head vertically has the top installing hole of a row, described top according to leaf position select be installed in arbitrary described top installing hole.
CN201511014971.2A 2015-12-31 2015-12-31 Fixture for steam turbine stator blade overall length wire cutting Active CN105415038B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511014971.2A CN105415038B (en) 2015-12-31 2015-12-31 Fixture for steam turbine stator blade overall length wire cutting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511014971.2A CN105415038B (en) 2015-12-31 2015-12-31 Fixture for steam turbine stator blade overall length wire cutting

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CN105415038B CN105415038B (en) 2018-08-24

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002619A (en) * 2016-06-23 2016-10-12 重庆江增船舶重工有限公司 Turbine blade tenon tooth machining blade positioning device
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
CN106524865A (en) * 2016-12-28 2017-03-22 无锡透平叶片有限公司 Universal type steam turbine diaphragm stator blade total length measuring device
CN107378542A (en) * 2016-05-17 2017-11-24 劳斯莱斯有限公司 For keeping the fixator of complicated shape part during machine operations
CN107838561A (en) * 2017-11-29 2018-03-27 无锡透平叶片有限公司 A kind of large hollow blade processing device and processing method
CN110360910A (en) * 2019-07-29 2019-10-22 无锡市艾尔福叶片有限公司 Medium-and-large-sized stator blade overall length measuring tool and its measurement method
CN110370045A (en) * 2019-07-29 2019-10-25 无锡市艾尔福叶片有限公司 Fixture for stator blade milling overall length processing
CN110497338A (en) * 2019-08-16 2019-11-26 成都和鸿科技有限公司 A kind of heavy duty gas turbine stator blade obturages grooving apparatus and its processing method
CN112247613A (en) * 2020-09-14 2021-01-22 江苏大学 Clamping tool for machining arc of end face of stationary blade of steam turbine and using method of clamping tool
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

Citations (5)

* Cited by examiner, † Cited by third party
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US20070119041A1 (en) * 2004-04-22 2007-05-31 General Electric Company Apparatus and method for centering a workpiece on a machine tool
EP2002926A1 (en) * 2007-06-15 2008-12-17 Ansaldo Energia S.P.A. Turbine blade blocking device and method
CN202894527U (en) * 2012-10-17 2013-04-24 无锡润和叶片制造有限公司 Gas turbine rectification blade overall length wire-electrode cutting clamp
CN103611995A (en) * 2013-11-19 2014-03-05 沈阳黎明航空发动机(集团)有限责任公司 Rapid precise positioning device and method of blade
CN205342529U (en) * 2015-12-31 2016-06-29 无锡透平叶片有限公司 A anchor clamps that is used for steam turbine stator blade overall length wire -electrode cutting

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070119041A1 (en) * 2004-04-22 2007-05-31 General Electric Company Apparatus and method for centering a workpiece on a machine tool
EP2002926A1 (en) * 2007-06-15 2008-12-17 Ansaldo Energia S.P.A. Turbine blade blocking device and method
CN202894527U (en) * 2012-10-17 2013-04-24 无锡润和叶片制造有限公司 Gas turbine rectification blade overall length wire-electrode cutting clamp
CN103611995A (en) * 2013-11-19 2014-03-05 沈阳黎明航空发动机(集团)有限责任公司 Rapid precise positioning device and method of blade
CN205342529U (en) * 2015-12-31 2016-06-29 无锡透平叶片有限公司 A anchor clamps that is used for steam turbine stator blade overall length wire -electrode cutting

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107378542B (en) * 2016-05-17 2021-03-16 劳斯莱斯有限公司 Holder for holding complex-shaped parts during machining operations
CN107378542A (en) * 2016-05-17 2017-11-24 劳斯莱斯有限公司 For keeping the fixator of complicated shape part during machine operations
CN106002619A (en) * 2016-06-23 2016-10-12 重庆江增船舶重工有限公司 Turbine blade tenon tooth machining blade positioning device
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
CN106271734B (en) * 2016-08-29 2019-06-18 中航动力股份有限公司 A kind of wire cutting positioning fixture
CN106524865A (en) * 2016-12-28 2017-03-22 无锡透平叶片有限公司 Universal type steam turbine diaphragm stator blade total length measuring device
CN107838561A (en) * 2017-11-29 2018-03-27 无锡透平叶片有限公司 A kind of large hollow blade processing device and processing method
CN110360910A (en) * 2019-07-29 2019-10-22 无锡市艾尔福叶片有限公司 Medium-and-large-sized stator blade overall length measuring tool and its measurement method
CN110370045A (en) * 2019-07-29 2019-10-25 无锡市艾尔福叶片有限公司 Fixture for stator blade milling overall length processing
CN110360910B (en) * 2019-07-29 2024-05-10 无锡市艾尔福叶片有限公司 Medium-and-large-sized stator blade total length measuring tool and measuring method thereof
CN110497338A (en) * 2019-08-16 2019-11-26 成都和鸿科技有限公司 A kind of heavy duty gas turbine stator blade obturages grooving apparatus and its processing method
CN112247613A (en) * 2020-09-14 2021-01-22 江苏大学 Clamping tool for machining arc of end face of stationary blade of steam turbine and using method of clamping tool
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

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