CN106181468A - A kind of finish forge blade tenon root and front and rear edge clamp for machining - Google Patents
A kind of finish forge blade tenon root and front and rear edge clamp for machining Download PDFInfo
- Publication number
- CN106181468A CN106181468A CN201610601361.0A CN201610601361A CN106181468A CN 106181468 A CN106181468 A CN 106181468A CN 201610601361 A CN201610601361 A CN 201610601361A CN 106181468 A CN106181468 A CN 106181468A
- Authority
- CN
- China
- Prior art keywords
- blade
- cast
- cassette holder
- rear edge
- support arm
- Prior art date
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Classifications
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- 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
Abstract
The invention discloses a kind of finish forge blade tenon root and front and rear edge clamp for machining, be made up of cast box, support arm, pressing plate, rotary table；By cast box and the assembling of blade, blade is positioned at cast box intracavity.Use low-melting alloy solidification clamping blade profile, it is to avoid fixture crushes blade profile；Use pressing plate to be fixed cast box, make thrust be evenly transferred to pour into a mould on box by pressing plate, it is achieved the compression of cast box, be not result in blade clamping deformation；The part to be processed of blade tenon root and front and rear edge is positioned at outside cast box, completes the digital control processing of blade tenon root and front and rear edge under clamped one time.Fixture, while reducing clamping error and frock quantity, optimizes the processing process of finish forge blade, improves machining accuracy and the working (machining) efficiency of finish forge blade.Fixture is applicable not only to efficient, the mass digital control processing of aero-engine finish forge blade, and can be used for tenon root and the front and rear edge processing of rolling vane and other precision form blade.
Description
Technical field
The present invention relates to blade of aviation engine Computerized Numerical Control processing technology field, specifically, relate to a kind of finish forge blade tenon
Root and front and rear edge clamp for machining.
Background technology
Blade is the key components and parts of aero-engine, and its crudy directly affects the performance of electromotor.Precision forging
As a kind of high efficiency, low cost process, it is widely used in a new generation's blade of aviation engine blank manufacture.Blade master
To be made up of blade profile, front and rear edge and tenon root.Finish forge blade blade profile quality is ensured by forging die, and formed precision is high, molding
Rear blade profile need not secondary operations；Being limited to current forging technology, the tenon root of blade and front and rear edge all cannot essences
Forging molding, needs to carry out digital control processing.During processing finish forge blade, the most first use the mode milling tenon of blade profile location clamping
Root, is then clamped by the location of tenon root, processes blade front and rear edge.This traditional processing mode needs two sleeve clamps to complete essence
The processing of forging blade, secondary clamping not only increases the clamping error that Reference Transforming brings, and reduces working (machining) efficiency, it is impossible to
Meet aero-engine finish forge blades efficient, precision machined demand.It is uniform that finish forge blade processing fixture does not require nothing more than applying power,
Avoid because clip clamp force causes the deformation of blade profile and crushes, and require easy for installation, accurate positioning, repeated clamping location
Precision is high, and this is particularly important in batch machining.Little for finish forge blade blade, blade is thin, profile is complicated, blank concordance is poor
Feature, it is necessary to design specialized fixture, complete tenon root and the front and rear edge batch machining of finish forge blade.
Patent 201210103222.7 discloses " a kind of finish forge blade tenon root working fluid pressure type fixture ", by fixture liquid
Pressure intracavity liquid pressure promotes grip gasket to clamp blade, and precession realizes clamping and the pine of blade with exiting pressurization adjusting rod
Open.But this clamp pad is little with the contact area of blade, under the effect of fluid pressure, blade profile is because of discontinuity
Easily cause deformable blade；And this fixture can only process blade tenon root, needing to change fixture during processing front and rear edge, secondary clamping holds
Easily bring bigger clamping error.
In patent 201210249365.9, disclose " a kind of finish forge blade profile positioning and clamping fixture ", utilize high accuracy
Location glue and glue spreading method, clamp block by leaf basin profile locating piece and blade back profile, and finish forge blade is implemented location clamping.But
This fixture uses hard installation way, and clamping force cannot be evenly transferred in blade profile, easily cause blade clamping deformation.
Summary of the invention
In order to solve the dress that finish forge blade blade is little, blade is thin, profile is complicated, the construction features of blank concordance difference is brought
Folder location difficulty, the problem that blade is yielding, machining accuracy is poor, the present invention proposes a kind of finish forge blade tenon root and front and rear edge processing
Fixture；Clip clamp force is applied to pour into a mould on box, and blade is fixed by the low-melting alloy solidified, blade profile uniform force, no
Blade clamping deformation can be caused and crush；The part to be processed of blade tenon root and front and rear edge is positioned at outside cast box, at clamped one time
In the case of complete finish forge blade tenon root and the digital control processing of front and rear edge.
The technical solution adopted for the present invention to solve the technical problems is: include pour into a mould lid, cast cassette holder, rotary table,
Support arm, depression bar, pressing plate, the first rotating shaft, the second rotating shaft, hold-down bolt, bolt, fastening bolt, the first alignment pin, the second location
Pin, the 3rd alignment pin, described rotary table is connected with machine tool rotary axle, and rotary table is used for supporting other parts；Described cast lid
Being half cavity body structure, there are contact surface and mounting plane, contact surface and blade blade back curved surface corresponding part shape in half cavity edge
Shape is identical, and mounting plane has two holes, location and two screwed holes；Described cast cassette holder is half cavity body structure, half cavity edge
Having contact surface and mounting plane, contact surface is identical with the corresponding partial shape in blade and blade pelvic curvature face, and mounting plane has two
Blind locating holes and two tapped blind holes, cast cassette holder outer bottom is provided with two Blind locating holes；Cast cassette holder is fixed by two the 3rd
Position finger setting is arranged on rotary table, and blade is positioned on cast cassette holder, and cast lid fastens with cast cassette holder and installs, and pours into a mould lid
Contact surface and blade blade back curved surface, blade and blade pelvic curvature face and cast cassette holder contact surface are harmonious location, and cast lid is installed and put down
Face coordinates with cast cassette holder mounting plane, and is locked by the second alignment pin location and fastening bolt, cast lid, cast cassette holder
And forming cast chamber between blade listrium, cast chamber opening is positioned at blade tip, from cast chamber opening cast molten state eutectic
Point alloy, blade is fixed by the low-melting alloy of solidification, pours into a mould lid, cast cassette holder and the integral pouring piece of blade-shaped, real
Now the location of blade is clamped；
Having two Blind locating holes and tapped blind hole bottom described support arm, support arm is fixed on by two the first alignment pins
On rotary table, and locked by two bolts, it is achieved support arm location on rotary table and fastening；
Described depression bar both ends have circular shaft hole respectively, and depression bar is perpendicular to axis direction has screwed hole, depression bar to be positioned at support
Above arm, depression bar one end is connected by the first rotating shaft with two coaxial apertures on support arm, and depression bar rotates around the axis, and depression bar is another
One end is connected by the second rotating shaft with two coaxial apertures on pressing plate, and pressing plate is around the second axis of rotation；Depression bar coordinates with support arm
It is connected with rotary table by hold-down bolt.
Two dowel hole off(-)center 9O degree on cast lid, cast cassette holder.
Beneficial effect
A kind of finish forge blade tenon root of present invention proposition and front and rear edge clamp for machining, fit by changing the cast box in fixture
Answering tenon root and the front and rear edge processing of different model finish forge blade, clip clamp force is applied to pour into a mould on box；Use low-melting alloy
The mode of solidification clamping blade profile, clamping force is uniform, it is to avoid fixture crushes blade profile；The mode using pressing plate to compress is fixed
Cast box, is not result in blade clamping deformation；The part to be processed of blade tenon root and front and rear edge is positioned at outside cast box, is once filling
Finish forge blade tenon root and the digital control processing of front and rear edge is completed in the case of folder.Fixture is reducing the same of clamping error and frock quantity
Time, optimize the processing process of finish forge blade, improve machining accuracy and the working (machining) efficiency of finish forge blade；Clamp structure letter
Single, easy accessibility, meets efficient, accurate, the mass digital control processing of aero-engine finish forge blade.
Finish forge blade tenon root of the present invention and front and rear edge clamp for machining, be applicable not only to aeroplane engine finish forge blade tenon root and
Front and rear edge is processed, but also can be used for tenon root and the front and rear edge processing of rolling vane and other precision form blade.For difference
The blade of model, only need to change and pour into a mould box accordingly, can quickly realize Set and Positioning and the batch machining of blade.
Accompanying drawing explanation
With embodiment, one finish forge blade tenon root of the present invention and front and rear edge clamp for machining are made into one below in conjunction with the accompanying drawings
Step describes in detail.
Fig. 1 is finish forge blade tenon root of the present invention and front and rear edge clamp for machining schematic diagram.
Fig. 2 is front view after present clip assembling finish forge blade.
Fig. 3 is upward view after present clip assembling finish forge blade.
Fig. 4 is the cast lid schematic diagram of the present invention.
Fig. 5 is the cast cassette holder schematic diagram of the present invention.
Fig. 6 is the cast lid of the present invention, cast cassette holder and blade assembling schematic diagram.
Fig. 7 is the Section A-A sectional view of Fig. 6.
In figure:
1. cast lid 2. pours into a mould cassette holder 3. rotary table 4. support arm 5. depression bar 6. pressing plate 7. first rotating shaft 8. the
Two rotating shaft 9. hold-down bolt 10. bolt 11. fastening bolt 12. first alignment pin 13. second alignment pin 14. the 3rd location
Pin
Detailed description of the invention
The present embodiment is a kind of finish forge blade tenon root and front and rear edge clamp for machining.
Refering to Fig. 1～Fig. 7, the present embodiment finish forge blade tenon root and front and rear edge clamp for machining, by cast lid 1, cast box
Seat 2, rotary table 3, support arm 4, depression bar 5, pressing plate the 6, first rotating shaft the 7, second rotating shaft 8, hold-down bolt 9, bolt 10, fastening bolt
11, first alignment pin the 12, second alignment pin the 13, the 3rd alignment pin 14, rotary table 3 is connected with machine tool rotary axle, and rotary table 3 is used for
Support other parts.Support arm 4 is located at turn around on platform 3, and two lugs with axis hole are arranged at support arm 4 top, bottom support arm 4
Being provided with two Blind locating holes and two tapped blind holes, the corresponding position of rotary table 3 is provided with two holes, location and two countersunk heads lead to
Hole, support arm 4 is arranged on rotary table 3, and two the first alignment pins 12 are inserted back into successively the location of turntable 3 from rotary table bottom surface
In the Blind locating holes of hole and support arm 4, two bolts 10 are stretched into the countersunk head through hole of rotary table bottom surface, screw in bolt 10 and with
The tapped blind hole of brace 4 coordinates, and support arm is fixed on rotary table by two the first alignment pins 12, and by two bolts 10
Locking, it is achieved the support arm 4 location on rotary table 3 and fastening.Depression bar is positioned at above support arm 4, and depression bar 5 both ends are respectively
Having circular shaft hole, depression bar 5 is perpendicular to axis direction a screwed hole, and depression bar 5 one end and two coaxial apertures on support arm 4 are by the
One rotating shaft 7 connects, and depression bar 57 rotates around the shaft, and depression bar 5 other end is with two coaxial apertures on pressing plate 6 by the second rotating shaft 8 even
Connecing, pressing plate 6 rotates around the second rotating shaft 8；Depression bar 5 fits through hold-down bolt 9 with support arm 4 and is connected with rotary table 3.
In the present embodiment, cast box is formed with cast cassette holder 2 two parts by pouring into a mould lid 1, and cast lid 1 is half cavity knot
Structure, there are contact surface and mounting plane in half cavity edge, and contact surface is identical with blade blade back curved surface corresponding part shape, installs
Plane is provided with two holes, location and two screwed holes；Cast cassette holder 2 is similar half cavity body structure of shape with pouring into a mould lid 1,
There are contact surface and mounting plane in half cavity edge, and contact surface is identical with the corresponding partial shape in blade and blade pelvic curvature face, installs flat
Two alignment pin blind holes and two tapped blind holes, cast cassette holder outer bottom are had to be provided with two Blind locating holes on face；Cast cassette holder 2 leads to
Crossing two the 3rd alignment pin 14 location and installation on rotary table 3, blade is positioned on cast cassette holder 2, cast lid 1 and cast cassette holder
2 fasten installation, and cast lid 1 contact surface is harmonious with cast cassette holder 2 contact surface with blade blade back curved surface, blade and blade pelvic curvature face
Location, cast lid 1 mounting plane coordinates with cast cassette holder 2 mounting plane, by two the second alignment pins 13 from cast lid 1
Insert in the hole, location of cast lid 1 and the Blind locating holes of cast cassette holder 2 mounting plane, it is achieved cast lid 1 and cast cassette holder 2
Location；Two location hole off(-)center 9O degree processing on cast lid 1, cast cassette holder 2.Two fastening bolts 11 are stretched into
The countersunk head through hole of cast lid 1, screws in fastening bolt 11 and the tapped blind hole with cast cassette holder 2 coordinates, it is achieved cast lid 1 He
The clamping of cast cassette holder 2.
Pour into a mould lid 1, between cast cassette holder 2 and blade listrium, form the to be processed of cast chamber, blade tenon root and front and rear edge
Part is positioned at outside cast chamber, and cast chamber opening is positioned at blade tip, from cast chamber opening cast molten state low-melting alloy, treats
After low-melting alloy cooled and solidified, cast lid 1, cast cassette holder 2 and the integral pouring piece of blade-shaped, it is achieved blade burns in entirety
Location in cast parts and without deformation clamping.Being placed on rotary table 3 by integrated poured part, integrated poured part placed by rotary table 3
Hole, two location is set on position, from rotary table 3 bottom surface, two the 3rd alignment pins 14 are inserted back into hole, location and the cast of turntable 3
In the Blind locating holes of cassette holder 2 outer bottom, it is achieved integrated poured part location on rotary table 3.
Being threaded hole on depression bar 5, support arm 4 bottom surface correspondence position is provided with through hole, and rotary table 3 is arranged with correspondence position
One screwed hole；Hold-down bolt 9 is inserted the countersunk head through hole on depression bar 5, and through the through hole on support arm 4 bottom surface, screws in back
Screwed hole on turntable 3, screws hold-down bolt 9 with torque wrench, and thrust is passed to entirety watered by depression bar 5 and pressing plate 6
Cast parts, it is achieved integrated poured part fixing on rotary table 3；Correspondingly, by screwing out hold-down bolt 9, can be easily by whole
Body pouring piece takes out from rotary table 3.
Rotary table 3 bottom center arranges Quick changing head restraint, by install the rotary table 3 of integrated poured part by Quick changing head restraint with
Air spider on machine tool rotary axle connects, it is achieved finish forge blade location on lathe and clamping, completes in clamped one time
Finish forge blade tenon root and the processing of front and rear edge.
The present embodiment, in the course of processing, can measure the blade mould surface portion being positioned at outside integrated poured part, theoretical with blade
Model registrates, it is achieved being accurately positioned of finish forge blade tenon root and front and rear edge.And, can also be for the blade of different model,
Only need to change and pour into a mould box accordingly, can quickly realize Set and Positioning and the batch machining of blade.
Claims (2)
1. a finish forge blade tenon root and front and rear edge clamp for machining, it is characterised in that: include pouring into a mould lid, cast cassette holder, revolution
Platform, support arm, depression bar, pressing plate, the first rotating shaft, the second rotating shaft, hold-down bolt, bolt, fastening bolt, the first alignment pin, second
Alignment pin, the 3rd alignment pin, described rotary table is connected with machine tool rotary axle, and rotary table is used for supporting other parts；Described cast
Lid is half cavity body structure, and there are contact surface and mounting plane, contact surface and the corresponding portion of blade blade back curved surface in half cavity edge
Fractal shape is identical, and mounting plane has two holes, location and two screwed holes；Described cast cassette holder is half cavity body structure, half cavity
There are contact surface and mounting plane in edge, and contact surface is identical with the corresponding partial shape in blade and blade pelvic curvature face, and mounting plane has
Two Blind locating holes and two tapped blind holes, cast cassette holder outer bottom is provided with two Blind locating holes；Cast cassette holder is by two the
Three alignment pin location and installation are on rotary table, and blade is positioned on cast cassette holder, and cast lid fastens with cast cassette holder and installs, cast
Lid contact surface and blade blade back curved surface, blade and blade pelvic curvature face and cast cassette holder contact surface are harmonious location, and cast lid is pacified
Dress plane coordinates with cast cassette holder mounting plane, and is locked by the second alignment pin location and fastening bolt, pours into a mould lid, cast
Forming cast chamber between cassette holder and blade listrium, cast chamber opening is positioned at blade tip, from cast chamber opening cast molten state
Low-melting alloy, blade is fixed by the low-melting alloy of solidification, pours into a mould lid, cast cassette holder and the integral cast of blade-shaped
Part, it is achieved the location of blade is clamped；
Having two Blind locating holes and tapped blind hole bottom described support arm, support arm is fixed on revolution by two the first alignment pins
On platform, and locked by two bolts, it is achieved support arm location on rotary table and fastening；
Described depression bar both ends have circular shaft hole respectively, and depression bar is perpendicular to axis direction has screwed hole, depression bar to be positioned at support arm
Above, depression bar one end is connected by the first rotating shaft with two coaxial apertures on support arm, and depression bar rotates around the axis, the depression bar other end
Being connected by the second rotating shaft with two coaxial apertures on pressing plate, pressing plate is around the second axis of rotation；Depression bar fits through with support arm
Hold-down bolt is connected with rotary table.
Finish forge blade tenon root the most according to claim 1 and front and rear edge clamp for machining, it is characterised in that: pour into a mould lid, water
Two dowel hole off(-)center 9O degree on note cassette holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601361.0A CN106181468B (en) | 2016-07-27 | 2016-07-27 | A kind of precision forged blade tenon root and front and rear edge clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601361.0A CN106181468B (en) | 2016-07-27 | 2016-07-27 | A kind of precision forged blade tenon root and front and rear edge clamp for machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181468A true CN106181468A (en) | 2016-12-07 |
| CN106181468B CN106181468B (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601361.0A Active CN106181468B (en) | 2016-07-27 | 2016-07-27 | A kind of precision forged blade tenon root and front and rear edge clamp for machining |
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| CN (1) | CN106181468B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553173A (en) * | 2017-10-20 | 2018-01-09 | 西北工业大学 | A kind of special fixture for the processing of blade of aviation engine tenon root |
| CN107790793A (en) * | 2017-09-28 | 2018-03-13 | 中国航发动力股份有限公司 | A kind of aviation finish forge blade self-adapting type milling method |
| CN111750809A (en) * | 2020-06-30 | 2020-10-09 | 中国航发动力股份有限公司 | Tool device and method for measuring thickness of casting |
| CN112247630A (en) * | 2020-09-30 | 2021-01-22 | 西安三航动力科技有限公司 | Low-melting-point alloy casting fixture and method for thin-wall blade tip machining |
| CN112496469A (en) * | 2020-11-19 | 2021-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp mechanism for slowly feeding and grinding tenon tooth of turbine blade |
| CN113579806A (en) * | 2021-07-20 | 2021-11-02 | 贵州安吉华元科技发展有限公司 | Special part fixture for intelligently manufacturing and machining blades |
| CN115365852A (en) * | 2022-10-24 | 2022-11-22 | 成都和鸿科技股份有限公司 | Stator blade machining method and clamping tool |
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| CN105057992A (en) * | 2015-08-21 | 2015-11-18 | 江南大学 | Low-rigidity turbine blade milling clamp and use method thereof |
| CN105397533A (en) * | 2015-12-27 | 2016-03-16 | 无锡透平叶片有限公司 | Square box structure for processing turbine blade |
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| GB2181374A (en) * | 1985-10-08 | 1987-04-23 | Koerber Ag | Support fixture for turbine blades |
| CN201511102U (en) * | 2009-10-21 | 2010-06-23 | 株洲南方燃气轮机成套制造安装有限公司 | Blade casting mould |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790793A (en) * | 2017-09-28 | 2018-03-13 | 中国航发动力股份有限公司 | A kind of aviation finish forge blade self-adapting type milling method |
| CN107553173A (en) * | 2017-10-20 | 2018-01-09 | 西北工业大学 | A kind of special fixture for the processing of blade of aviation engine tenon root |
| CN111750809A (en) * | 2020-06-30 | 2020-10-09 | 中国航发动力股份有限公司 | Tool device and method for measuring thickness of casting |
| CN111750809B (en) * | 2020-06-30 | 2022-04-01 | 中国航发动力股份有限公司 | Tool device and method for measuring thickness of casting |
| CN112247630A (en) * | 2020-09-30 | 2021-01-22 | 西安三航动力科技有限公司 | Low-melting-point alloy casting fixture and method for thin-wall blade tip machining |
| CN112496469A (en) * | 2020-11-19 | 2021-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp mechanism for slowly feeding and grinding tenon tooth of turbine blade |
| CN113579806A (en) * | 2021-07-20 | 2021-11-02 | 贵州安吉华元科技发展有限公司 | Special part fixture for intelligently manufacturing and machining blades |
| CN115365852A (en) * | 2022-10-24 | 2022-11-22 | 成都和鸿科技股份有限公司 | Stator blade machining method and clamping tool |
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