CN103878608B - Clamp used for processing aviation thin-wall blade pitch - Google Patents

Clamp used for processing aviation thin-wall blade pitch Download PDF

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Publication number
CN103878608B
CN103878608B CN201410044262.8A CN201410044262A CN103878608B CN 103878608 B CN103878608 B CN 103878608B CN 201410044262 A CN201410044262 A CN 201410044262A CN 103878608 B CN103878608 B CN 103878608B
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China
Prior art keywords
blade
pressing plate
hold
seat
sagittal plane
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Application number
CN201410044262.8A
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Chinese (zh)
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CN103878608A (en
Inventor
柳章存
章宇洪
蒋清华
常鹏飞
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 CN201410044262.8A priority Critical patent/CN103878608B/en
Publication of CN103878608A publication Critical patent/CN103878608A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/065Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies

Abstract

The invention provides a clamp used for processing aviation thin-wall blade pitch. By the clamp, the problems of unstability in processing accuracy, long processing time, low efficiency and high cost in an existing method of watering prior to grinding or milling to process the blade pitch can be solved. The clamp is characterized by comprising a clamp baseplate, a blade body compressing mechanism is mounted in the middle of the clamp baseplate longitudinally, a blade inner ring face positioning mechanism and a blade outer ring face positioning mechanism are mounted on two transverse outer sides of the blade body compressing mechanism respectively, and a blade process boss compressing mechanism is mounted on the transverse outer side of each of the blade inner ring face positioning mechanism and the blade outer ring face positioning mechanism. An inner ring radial face and an outer ring radial face, which are already processed well, of a blade are positioned by the blade inner ring face positioning mechanism and the blade outer ring face positioning mechanism and compressed by the blade body compressing mechanism and the blade process boss compressing mechanism.

Description

For processing the fixture of aviation thin-wall blade pitch
Technical field
The present invention relates to the production frock field of aviation thin-wall blade, particularly for processing aviation thin-wall blade pitch Fixture.
Background technology
Aviation thin-wall blade is used mostly titanium alloy material, due to blade structure and material performance reason, causes blade to be cut Cut poor performance, processing is yielding.The inner and outer rings pitch of such blade is important fitted position, and its surface quality, machining accuracy will Ask all very high.Typically process such vanepiston and be used mostly the processing of " pouring square chest mill/milling " method, the method is because needing In square chest, blade is had good positioning, then pour into alloy, after the alloy cooled and solidified in square chest, then by square chest in grinding machine/milling Positioning clamping on bed workbench, then reprocesses pitch face.The method has three below drawback:(1)It is interior that cast alloy produces Stress, molten remove alloy after can Stress Release, make deformable blade, cause machining accuracy unstable.(2)Because blade needs first to pour into a mould Square chest, then waits alloy cooled and solidified in square chest, upper apparatus processing, and activity time is long.(3)Pour fusible alloy valency used by square chest Lattice are high, and have inevitable loss in use, cause high processing costs.
Content of the invention
For the problems referred to above, the invention provides for the fixture processing aviation thin-wall blade pitch, it can solve existing Process during such vanepiston using pour square chest regrind/machining accuracy that exists of the method for milling is unstable, process time is long-acting Rate is low, the problem of high cost.
Its technical scheme be such it is characterised in that:It includes clamp bottom board, and described clamp bottom board central authorities are along longitudinally peace Equipped with blade hold-down mechanism, described blade hold-down mechanism horizontal two outside be separately installed with blade inner ring surface detent mechanism and leaf Piece outer ring surface detent mechanism, described blade inner ring surface detent mechanism, the lateral outer side of blade outer ring surface detent mechanism are respectively mounted There is blade production boss hold-down mechanism, it passes through by described blade inner ring surface detent mechanism, blade outer ring surface detent mechanism positioning Blade manufactured internal ring sagittal plane, outer shroud sagittal plane, and by described blade hold-down mechanism, blade production boss hold-down mechanism Compression.
It is further characterized by:
Described blade hold-down mechanism includes hinge pressing plate, blade internal ring side type face pressure block, blade outer rim side type face pressure block, institute State hinge pressing plate and pass through hinge seat along longitudinally mounted on described clamp bottom board, the horizontal left and right sides of described hinge pressing plate is passed through Band shoulder gyroaxis is separately installed with described blade internal ring side type face pressure block and blade outer rim side type face pressure block, described blade internal ring side Type face pressure block, the bottom surface of blade outer rim side type face pressure block are respectively set to the locating surface mating with blade blade type face;
The longitudinally aft end of described hinge pressing plate is articulated and connected with described hinge seat;
Described band shoulder gyroaxis transversely right-to-left sequentially pass through described blade outer rim side type face pressure block, hinge pressing plate, Locked by locking nut located lateral after the type face pressure block of blade internal ring side;
Longitudinal front end of described hinge pressing plate has spill draw-in groove, and described clamp bottom board is provided with studs base, Studs is provided with described studs base, described studs snap in the spill draw-in groove of described hinge pressing plate and And by longitudinal front end of described hinge pressing plate being pressed on described studs base with shoulder nut;
Described blade inner ring surface detent mechanism, blade outer ring surface detent mechanism include being installed on described clamp bottom board respectively Blade internal ring sagittal plane positioning seat, blade outer shroud sagittal plane positioning seat, described blade internal ring sagittal plane positioning seat, blade outer shroud Sagittal plane positioning seat is located at the horizontal arranged on left and right sides of described hinge pressing plate respectively;
Described blade internal ring sagittal plane positioning seat, longitudinal front side end of blade outer shroud sagittal plane positioning seat also correspond to peace respectively Equipped with blade internal ring side positioning seat, blade outer shroud side positioning seat, described blade internal ring side positioning seat, blade outer shroud side Horizontal milled screw is fitted with positioning seat;
On the horizontal left surface of described blade outer shroud sagittal plane positioning seat, axially position seat, described axially position seat are installed On axially position pin is installed;
Described blade production boss hold-down mechanism includes pressed seat, mobile pressing plate and locking studs, described pressed seat It is fixedly installed on described clamp bottom board by attachment screw, described pressed seat is provided with cushion block, described mobile pressing plate horizontal Side pressure is on described cushion block, blade production boss is pressed on described pressed seat and by described locking studs the other end And locking belt shoulder nut check;
Described blade production boss hold-down mechanism is provided with three groups, and described three groups of blade production boss hold-down mechanisms include one Group internal ring side false boss hold-down mechanism and two groups of outer rim side false boss hold-down mechanisms;Described internal ring side false boss compacting machine Structure is convex positioned at the horizontal left side of described blade internal ring sagittal plane positioning seat, its mobile pressing plate compression two internal ring side technique of blade Platform;Described two groups of outer rim side false boss hold-down mechanisms be respectively positioned on described blade outer shroud sagittal plane positioning seat horizontal right side state, And the mobile pressing plate of two groups of outer rim side false boss hold-down mechanisms compresses two outer rim side false bosses of blade respectively.
The beneficial effects of the present invention is:Its using the manufactured sagittal plane of blade as main locating surface, by blade Blade is compressed blade blade and blade production boss by hold-down mechanism, blade production boss hold-down mechanism, and whole blade is subject to foot Enough and equally distributed thrust, thus effectively prevent the deformation of blade, and improve machining accuracy and stability;And its Structure is simple, simple operation, more traditional method pouring square chest positioning, can greatly shorten the time of blade Set and Positioning, thus Improve production efficiency.
Brief description
Fig. 1 is the perspective view using present clip positioning and clamping blade;
Fig. 2 is used for for the present invention processing the main structure diagram of the fixture of aviation thin-wall blade pitch;
Fig. 3 is used for for the present invention processing the overlooking the structure diagram of the fixture of aviation thin-wall blade pitch;
Fig. 4 is used for the knot of hinge pressing plate in blade hold-down mechanism in the fixture process aviation thin-wall blade pitch for the present invention Structure schematic diagram;
Fig. 5 is the overlooking the structure diagram of Fig. 4;
Fig. 6 is to be subject to thrust schematic diagram using blade during present clip positioning and clamping blade;
Fig. 7 is thin wall vane structural representation to be processed in the present invention.
Specific embodiment
See Fig. 1~Fig. 5, present clip it include clamp bottom board 1, clamp bottom board 1 central authorities are along being longitudinally provided with blade pressure Tight mechanism, blade hold-down mechanism horizontal two outside be separately installed with blade inner ring surface detent mechanism and blade outer ring surface localization machine Structure, blade inner ring surface detent mechanism, the lateral outer side of blade outer ring surface detent mechanism are separately installed with blade production boss compression Mechanism, its pass through blade inner ring surface detent mechanism, the manufactured internal ring sagittal plane of blade outer ring surface detent mechanism locating blades, Outer shroud sagittal plane, and by blade hold-down mechanism, blade production boss hold-down mechanism compression.
Blade hold-down mechanism includes hinge pressing plate 2, blade internal ring side type face pressure block 3, blade outer rim side type face pressure block 4, hinge Chain pressing plate 2 passes through hinge seat 5 along longitudinally mounted on clamp bottom board 1, and band shoulder revolution is passed through in the horizontal left and right sides of hinge pressing plate 3 Axle 6 is separately installed with blade internal ring side type face pressure block 3 and blade outer rim side type face pressure block 4, blade internal ring side type face pressure block 3, leaf The bottom surface of piece outer rim side type face pressure block 4 is respectively set to the locating surface mating with blade blade type face;After the longitudinal direction of hinge pressing plate 2 End is articulated and connected with hinge seat 5;Transversely right-to-left sequentially passes through blade outer rim side type face pressure block 4, hinge to band shoulder gyroaxis 6 Locked by locking nut 7 located lateral after pressing plate 2, blade internal ring side type face pressure block 3;Longitudinal front end of hinge pressing plate 2 has recessed Shape draw-in groove 8, clamp bottom board 1 is provided with studs base 9, and studs base 9 is provided with studs 10, double end spiral shell Post 10 snaps in the spill draw-in groove 8 of hinge pressing plate 2 and by being pressed in longitudinal front end of hinge pressing plate 2 with shoulder nut 11 On studs base 9;
Blade inner ring surface detent mechanism, blade outer ring surface detent mechanism include the blade being installed on clamp bottom board 1 respectively Internal ring sagittal plane positioning seat 12, blade outer shroud sagittal plane positioning seat 13, blade internal ring sagittal plane positioning seat 12, blade outer shroud are radially Face positioning seat 13 is located at the horizontal arranged on left and right sides of hinge pressing plate respectively;
Blade internal ring sagittal plane positioning seat 12, longitudinal front side end of blade outer shroud sagittal plane positioning seat 13 also correspond to peace respectively Equipped with blade internal ring side positioning seat 14, blade outer shroud side positioning seat 15;A horizontal left side for blade outer shroud sagittal plane positioning seat 13 Axially position seat 16 is provided with side, axially position seat 16 is provided with axially position pin 17;
Blade production boss hold-down mechanism includes pressed seat 18, mobile pressing plate 19 and locking studs 20, pressed seat 18 It is fixedly installed on clamp bottom board 1 by attachment screw 21, pressed seat 18 is provided with cushion block 22, the mobile horizontal side pressure of pressing plate 19 On cushion block 22, the other end blade production boss 23 is pressed on pressed seat 18 and by locking studs 20 and locking Band shoulder nut 24 is locked;Blade production boss hold-down mechanism is provided with three groups, and three groups of blade production boss hold-down mechanisms include one Group internal ring side false boss hold-down mechanism and two groups of outer rim side false boss hold-down mechanisms;Internal ring side false boss hold-down mechanism position Horizontal left side, its mobile pressing plate 191 compression two internal ring side false boss of blade in blade internal ring sagittal plane positioning seat;Two groups Outer rim side false boss hold-down mechanism is respectively positioned on laterally right side and two groups of outer rim side techniques of blade outer shroud sagittal plane positioning seat The mobile pressing plate 192,193 of boss hold-down mechanism compresses two outer rim side false bosses of blade respectively.
The detailed process of of the present invention clamping blade is detailed below:Blade is placed on fixture, has made blade The sagittal plane of processing is fitted, and is made blade-side with the internal ring sagittal plane positioning seat 12 of fixture, outer shroud sagittal plane positioning seat 13 respectively Fitted with blade internal ring side positioning seat 14, blade outer shroud side positioning seat 15 in face, blade is axially positioned with axially position pin 17; After blade positioning, put down hinge pressing plate 2, push down blade with blade internal ring side type face pressure block 3, blade outer rim side type face pressure block 4, so After screw band shoulder nut 11, more successively by corresponding for the mobile pressing plate 191,192,193 of three groups of blade production boss hold-down mechanisms peace Be loaded on locking studs 201,202,203 on, screw respectively on mobile pressing plate 191,192,193 locking belt shoulder nut 241, 242nd, 243 make them compress corresponding blade production boss respectively, wherein move pressing plate 191 compression blade internal ring side false boss 231 and 232, mobile pressing plate 192 compression blade outer rim side false boss 233, mobile pressing plate 193 compression blade outer rim side technique is convex Milled screw 251,252 on blade internal ring side positioning seat 14, blade outer rim side positioning seat 15 is finally twisted by platform 234 respectively Tightly, that is, complete blade clamping.
In Fig. 7,231,232 is blade internal ring side false boss, and 233,234 is blade outer rim side false boss, and 27 is leaf The blade portion of piece, the stressing conditions after blade clamping are shown in Fig. 6, and 28 is blade internal ring side type face pressure block 3 and blade outer rim side type Face pressure block 4 is illustrated to the force region of blade blade portion, 29 pressures blade production boss 23 being applied by mobile pressing plate 19 Power is illustrated.

Claims (6)

1. be used for process aviation thin-wall blade pitch fixture it is characterised in that:It includes clamp bottom board, in described clamp bottom board Centre along being longitudinally provided with blade hold-down mechanism, described blade hold-down mechanism horizontal two outside to be separately installed with blade inner ring surface fixed Position mechanism and blade outer ring surface detent mechanism, described blade inner ring surface detent mechanism, blade outer ring surface detent mechanism are lateral out Side is separately installed with blade production boss hold-down mechanism, and it passes through fixed by described blade inner ring surface detent mechanism, blade outer ring surface The manufactured internal ring sagittal plane of position mechanism locating blades, outer shroud sagittal plane, and convex by described blade hold-down mechanism, blade production Platform hold-down mechanism compresses;
Described blade hold-down mechanism includes hinge pressing plate, blade internal ring side type face pressure block, blade outer rim side type face pressure block, described hinge Chain pressing plate passes through hinge seat along longitudinally mounted on described clamp bottom board, and the horizontal left and right sides of described hinge pressing plate is takeed on by band Gyroaxis is separately installed with described blade internal ring side type face pressure block and blade outer rim side type face pressure block, described blade internal ring side type face Briquetting, the bottom surface of blade outer rim side type face pressure block are respectively set to the locating surface mating with blade blade type face;
The longitudinally aft end of described hinge pressing plate is articulated and connected with described hinge seat;
Longitudinal front end of described hinge pressing plate has spill draw-in groove, and described clamp bottom board is provided with studs base, described Studs is provided with studs base, described studs snaps in the spill draw-in groove of described hinge pressing plate and leads to Cross and with shoulder nut, longitudinal front end of described hinge pressing plate is pressed on described studs base.
2. the fixture for processing aviation thin-wall blade pitch according to claim 1 it is characterised in that:In described blade The blade internal ring sagittal plane that anchor ring detent mechanism, blade outer ring surface detent mechanism include being installed on described clamp bottom board respectively is fixed Position seat, blade outer shroud sagittal plane positioning seat, described blade internal ring sagittal plane positioning seat, blade outer shroud sagittal plane positioning seat position respectively Horizontal arranged on left and right sides in described hinge pressing plate.
3. the fixture for processing aviation thin-wall blade pitch according to claim 2 it is characterised in that:In described blade Ring sagittal plane positioning seat, longitudinal front side end of blade outer shroud sagittal plane positioning seat also correspond to respectively and are provided with blade internal ring side calmly Position seat, blade outer shroud side positioning seat, described blade internal ring side positioning seat, blade outer shroud side positioning seat are fitted with horizontal stroke To milled screw.
4. the fixture for processing aviation thin-wall blade pitch according to claim 3 it is characterised in that:Outside described blade Axially position seat is provided with the horizontal left surface of ring sagittal plane positioning seat, described axially position seat is provided with axially position Pin.
5. the fixture for processing aviation thin-wall blade pitch according to claim 4 it is characterised in that:Described blade work Skill boss hold-down mechanism includes pressed seat, mobile pressing plate and locking studs, and described pressed seat is fixedly mounted by attachment screw On described clamp bottom board, described pressed seat is provided with cushion block, the horizontal one end of described mobile pressing plate is pressed on described cushion block, another One end blade production boss is pressed on described pressed seat and by described locking studs and locking belt shoulder nut lock Tightly.
6. the fixture for processing aviation thin-wall blade pitch according to claim 5 it is characterised in that:Described blade work Skill boss hold-down mechanism is provided with three groups, and described three groups of blade production boss hold-down mechanisms include one group of internal ring side false boss pressure Tight mechanism and two groups of outer rim side false boss hold-down mechanisms;Described internal ring side false boss hold-down mechanism is located at described blade internal ring The horizontal left side of sagittal plane positioning seat, its mobile pressing plate compression two internal ring side false boss of blade;Described two groups of outer rim side works Skill boss hold-down mechanism is respectively positioned on the horizontal right side state of described blade outer shroud sagittal plane positioning seat and two groups of outer rim side techniques are convex The mobile pressing plate of platform hold-down mechanism compresses two outer rim side false bosses of blade respectively.
CN201410044262.8A 2014-01-30 2014-01-30 Clamp used for processing aviation thin-wall blade pitch Active CN103878608B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN103878608B true CN103878608B (en) 2017-02-15

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2145734A1 (en) * 2008-07-17 2010-01-20 Ansaldo Energia S.P.A. Vice for withholding a turbine blade
FR2976203A1 (en) * 2011-06-07 2012-12-14 Snecma Method for machining composite blade in aircraft industry, involves calculating difference between measured profile and predetermined theoretical profile, and machining faces of central portion of blade based on difference
CN103240617A (en) * 2013-04-25 2013-08-14 哈尔滨汽轮机厂有限责任公司 Guide blade positioning clamp
CN203918539U (en) * 2014-01-30 2014-11-05 无锡透平叶片有限公司 A kind of for processing the fixture of aviation thin wall vane pitch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2145734A1 (en) * 2008-07-17 2010-01-20 Ansaldo Energia S.P.A. Vice for withholding a turbine blade
FR2976203A1 (en) * 2011-06-07 2012-12-14 Snecma Method for machining composite blade in aircraft industry, involves calculating difference between measured profile and predetermined theoretical profile, and machining faces of central portion of blade based on difference
CN103240617A (en) * 2013-04-25 2013-08-14 哈尔滨汽轮机厂有限责任公司 Guide blade positioning clamp
CN203918539U (en) * 2014-01-30 2014-11-05 无锡透平叶片有限公司 A kind of for processing the fixture of aviation thin wall vane pitch

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