CN102145464A - Locating and clamping device for machining bacterial type blade shroud - Google Patents

Locating and clamping device for machining bacterial type blade shroud Download PDF

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Publication number
CN102145464A
CN102145464A CN 201010551517 CN201010551517A CN102145464A CN 102145464 A CN102145464 A CN 102145464A CN 201010551517 CN201010551517 CN 201010551517 CN 201010551517 A CN201010551517 A CN 201010551517A CN 102145464 A CN102145464 A CN 102145464A
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China
Prior art keywords
blade shroud
blade
integral shroud
shroud
clamping device
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CN 201010551517
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Chinese (zh)
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CN102145464B (en
Inventor
庞韵华
刘永骏
邹维平
滕树新
张家军
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Wuxi Turbine Blade Co Ltd
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Wuxi Turbine Blade Co Ltd
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Priority to CN 201010551517 priority Critical patent/CN102145464B/en
Publication of CN102145464A publication Critical patent/CN102145464A/en
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  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

The invention provides a locating and clamping device for machining a bacterial type blade shroud, which can effectively reduce influence on the location degree of the blade shroud due to shaped wire deformation, ensure the machining quality of the blade shroud and increase the machining efficiency. The locating and clamping device comprises a clamping base plate, wherein one end part of the clamping base plate is provided with a blade root locating seat. The locating and clamping device is characterized in that the other end of the clamping base plate is provided with a blade shroud compression seat, the oblique extending end of the blade shroud compression seat is provided with a back arc compression block, and the vertical end of the blade shroud compression seat is provided with a blade shroud hinge pressing plate of which the inner side is provided with an inner arc compression block; the blade shroud hinge pressing plate is provided with a trailing edge compression screw; and the blade shroud compression seat is internally provided with a leading edge ejector block.

Description

The positioning and clamping device that is used for the processing of bacterial type blade shroud
Technical field
The present invention relates to blade processing frock technical field, be specially the positioning and clamping device that is used for the processing of bacterial type blade shroud.
Background technology
The processing of general bacterial type blade shroud mainly realizes by five revolution millings, when finishing the milling of steam passage molded lines, integral shroud is shaped together, therefore back of the body arc high conformity in this method working (machining) efficiency height, blade has obtained using very widely on processing of leaves.But, blade on the revolution lathe during clamping with the blade root location compress, integral shroud is with the centre bore location and hold out against, the steam passage of blade partly is a vacant state, and can produce certain machining deformation during with such state milling molded lines, the steam passage molded lines is thin more, and curvature is big more, and machining deformation is serious more, and when the steam passage molded lines near integral shroud has bigger distortion, can have a strong impact on the position dimension of each face of integral shroud.Require to be ± 0.05mm as the integral shroud sagittal plane position degree of certain type product, but position, actual processing back degree can only satisfy ± 0.15mm, and this size also can be elongated and worse and worse along with steam passage.Therefore added man-hour in order to obtain crudy preferably five revolutions in the past, can only be by reducing cutting output and tool feeding amount, perhaps revise the method for moulding, eliminate the influence that the distortion of blade brings to processing as far as possible, but this still can not reach the dimensional requirement of drawing fully, also has a strong impact on the milling efficiency of blade simultaneously.
Summary of the invention
At the problems referred to above, the invention provides the positioning and clamping device that is used for the processing of bacterial type blade shroud, it can effectively reduce because of molded lines is out of shape the influence that brings to integral shroud position degree, guarantees the crudy of integral shroud, improves working (machining) efficiency.
Its technical scheme is such, it comprises the clamping base plate, described clamping base plate one end is equipped with the blade root positioning seat, it is characterized in that: the described clamping base plate other end is equipped with the integral shroud pressed seat, the oblique external part of described integral shroud pressed seat is equipped with back of the body arc compact heap, the vertical end of described integral shroud pressed seat is equipped with integral shroud hinge pressing plate, and described integral shroud hinge pressing plate installed inside has the inner arc compact heap; On the described integral shroud hinge pressing plate lagging edge housing screw is installed; In the described integral shroud pressed seat leading edge withstanding tight block is installed.
It is further characterized in that: described inner arc compact heap cooperates with blade profile with back of the body arc compact heap profile.
A kind of positioning and clamping device that is used for the processing of bacterial type blade shroud of the present invention, it is held the integral shroud molded lines of blade tightly by the leading edge withstanding tight block on the integral shroud pressed seat, interior arc shaped surface compact heap, convex profile compact heap and trailing edge housing screw, thereby strengthened the rigidity of blade shroud, reduced in the blade milling process owing to molded lines is out of shape the influence of giving integral shroud position degree, improved the integral shroud crudy, also do not needed to eliminate blade by reducing cutting output and tool feeding amount.
Description of drawings
Fig. 1 is master's TV structure schematic diagram of the present invention (the integral shroud pressed seat among the figure in the structure of the present invention is expressed inside admission limit withstanding tight block structure emphatically);
Fig. 2 is that the Q of Fig. 1 is to structural representation;
Fig. 3 is that the P of Fig. 1 is to structural representation.
The specific embodiment
See Fig. 1, Fig. 2, Fig. 3, apparatus of the present invention comprise clamping base plate 7, clamping base plate 7 one ends are equipped with blade root positioning seat 1, clamping base plate 7 other ends are equipped with integral shroud pressed seat 2, the oblique external part of integral shroud pressed seat 2 is equipped with back of the body arc compact heap 4, the vertical end of integral shroud pressed seat 2 is equipped with integral shroud hinge pressing plate 3, and integral shroud hinge pressing plate 3 installed inside have inner arc compact heap 5; On the integral shroud hinge pressing plate 3 lagging edge housing screw 8 is installed; Leading edge withstanding tight block 6 is installed in the integral shroud pressed seat 2.Inner arc compact heap 5 cooperates with blade profile with the profile of back of the body arc compact heap 4.Among Fig. 1, Fig. 2 and Fig. 3,9 is blade.
Specifically describe the process of apparatus of the present invention clamping blade below: clamping base plate 7 is installed on lathe, the blade root of blade is fixed on the blade root positioning seat 1, regulate leading edge withstanding tight block 6 and locking then, regulate integral shroud hinge pressing plate 3 and itself and integral shroud pressed seat 2 is fixing again, regulate back of the body arc compact heap 4, inner arc compact heap 5 then, and it is pressed on the blade profile, note back of the body arc thrust in the control, the blade compressive strain promptly can not be finished screw lock the positioning and clamping of blade after compressing.

Claims (2)

1. the positioning and clamping device that is used for the processing of bacterial type blade shroud, it comprises the clamping base plate, described clamping base plate one end is equipped with the blade root positioning seat, it is characterized in that: the described clamping base plate other end is equipped with the integral shroud pressed seat, the oblique external part of described integral shroud pressed seat is equipped with back of the body arc compact heap, the vertical end of described integral shroud pressed seat is equipped with integral shroud hinge pressing plate, and described integral shroud hinge pressing plate installed inside has the inner arc compact heap; On the described integral shroud hinge pressing plate lagging edge housing screw is installed; In the described integral shroud pressed seat leading edge withstanding tight block is installed.
2. the positioning and clamping device that is used for the processing of bacterial type blade shroud according to claim 1 is characterized in that: described inner arc compact heap cooperates with blade profile with back of the body arc compact heap profile.
CN 201010551517 2010-11-20 2010-11-20 Locating and clamping device for machining bacterial type blade shroud Active CN102145464B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010551517 CN102145464B (en) 2010-11-20 2010-11-20 Locating and clamping device for machining bacterial type blade shroud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010551517 CN102145464B (en) 2010-11-20 2010-11-20 Locating and clamping device for machining bacterial type blade shroud

Publications (2)

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CN102145464A true CN102145464A (en) 2011-08-10
CN102145464B CN102145464B (en) 2013-01-23

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934769A (en) * 2014-04-25 2014-07-23 哈尔滨汽轮机厂有限责任公司 Arc clamp for machining crest of guide vane of steam turbine
CN106270859A (en) * 2016-08-29 2017-01-04 中航动力股份有限公司 A kind of guide vane listrium dustpan hole machined is quickly remodeled clamping device and method
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
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
CN107843174A (en) * 2017-12-04 2018-03-27 无锡透平叶片有限公司 The measuring tool of angle incline position is split for measuring the bacterial type blade root back of the body
CN108381234A (en) * 2018-05-08 2018-08-10 贵州工程应用技术学院 Jun type blade processing fixture and clamping processing method
CN113478262A (en) * 2021-07-20 2021-10-08 中国航发航空科技股份有限公司 Turbine blade sealing tooth machining clamp and clamping method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001015845A1 (en) * 1999-08-27 2001-03-08 Starrag Machine tool with clamping device
DE102007061542A1 (en) * 2007-12-20 2009-06-25 Werkzeugmaschinenfabrik Adolf Waldrich Coburg Gmbh & Co. Kg Kaplan turbine blade machining method for e.g. 3-4 axis gantry machine, involves machining blade pivot and blade hub in one machining step, and accommodating and centering blade at blade pivot in subsequent machining steps
CN201366623Y (en) * 2009-03-20 2009-12-23 无锡润和叶片制造有限公司 Clamp for horizontal machining center for machining small-margin die forging part with small vanes
CN101733657A (en) * 2009-12-17 2010-06-16 无锡透平叶片有限公司 Improved auxiliary jacking mechanism for five-axis rotary machining blade profiles
CN201871976U (en) * 2010-11-20 2011-06-22 无锡透平叶片有限公司 Positioning and clamping device for machining mushroom blade shroud

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001015845A1 (en) * 1999-08-27 2001-03-08 Starrag Machine tool with clamping device
DE102007061542A1 (en) * 2007-12-20 2009-06-25 Werkzeugmaschinenfabrik Adolf Waldrich Coburg Gmbh & Co. Kg Kaplan turbine blade machining method for e.g. 3-4 axis gantry machine, involves machining blade pivot and blade hub in one machining step, and accommodating and centering blade at blade pivot in subsequent machining steps
CN201366623Y (en) * 2009-03-20 2009-12-23 无锡润和叶片制造有限公司 Clamp for horizontal machining center for machining small-margin die forging part with small vanes
CN101733657A (en) * 2009-12-17 2010-06-16 无锡透平叶片有限公司 Improved auxiliary jacking mechanism for five-axis rotary machining blade profiles
CN201871976U (en) * 2010-11-20 2011-06-22 无锡透平叶片有限公司 Positioning and clamping device for machining mushroom blade shroud

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《机械工艺师》 19921031 翁玲等 叶片汽道背弧无靠模加工 16-17 1-2 , *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934769A (en) * 2014-04-25 2014-07-23 哈尔滨汽轮机厂有限责任公司 Arc clamp for machining crest of guide vane of steam turbine
CN103934769B (en) * 2014-04-25 2017-02-15 哈尔滨汽轮机厂有限责任公司 Method for machining crest of guide vane of steam turbine
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
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
CN106270859A (en) * 2016-08-29 2017-01-04 中航动力股份有限公司 A kind of guide vane listrium dustpan hole machined is quickly remodeled clamping device and method
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
CN107843174A (en) * 2017-12-04 2018-03-27 无锡透平叶片有限公司 The measuring tool of angle incline position is split for measuring the bacterial type blade root back of the body
CN108381234A (en) * 2018-05-08 2018-08-10 贵州工程应用技术学院 Jun type blade processing fixture and clamping processing method
CN108381234B (en) * 2018-05-08 2023-09-12 贵州工程应用技术学院 Blade processing clamp and clamping processing method
CN113478262A (en) * 2021-07-20 2021-10-08 中国航发航空科技股份有限公司 Turbine blade sealing tooth machining clamp and clamping method thereof

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Address after: 214174 Huishan Road, Huishan Economic Development Zone, Jiangsu, No. 1800, No.

Applicant after: Wuxi Turbine Blade Co., Ltd.

Address before: 214023 Jiangsu province Wuxi City Qingyang Road No. 305

Applicant before: Wuxi Turbine Blade Co., Ltd.

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