CN207534417U - A kind of fixture for compressor blade dove-tail form blade root machining - Google Patents
A kind of fixture for compressor blade dove-tail form blade root machining Download PDFInfo
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- CN207534417U CN207534417U CN201721663919.4U CN201721663919U CN207534417U CN 207534417 U CN207534417 U CN 207534417U CN 201721663919 U CN201721663919 U CN 201721663919U CN 207534417 U CN207534417 U CN 207534417U
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- blade root
- pressing plate
- integral shroud
- blade
- positioning
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Abstract
The utility model provides a kind of fixture for compressor blade dove-tail form blade root machining, can solve the problem of that existing dove-tail form blade root machining needs to pour square chest and off-square case increases life cycle of the product and cost.It includes pedestal, blade root positioning compression mechanism and integral shroud positioning compression mechanism have been mounted side by side on pedestal, the located space being projecting axially into for compressor blade is respectively equipped in blade root positioning compression mechanism and integral shroud positioning compression mechanism, blade root positioning compression mechanism is used to position and compress the position of the close blade root of compressor blade, and integral shroud positioning compression mechanism is used to position and compress the integral shroud position of compressor blade;The lower inside of located space and right side are respectively equipped with the support element of fixed installation, are respectively used to the lagging edge and convex profile of support compressor blade;The inner upper of located space and left side are respectively equipped with holding down assembly for activity installation, are respectively used to compress the leading edge of compressor blade and interior arc shaped surface.
Description
Technical field
The utility model is related to blade processing field of fixtures, specially a kind of to add for compressor blade dove-tail form blade root
The fixture of work.
Background technology
Fig. 1 show a kind of compressor blade 50, with dove-tail form blade root 51.When usually processing dove-tail form blade root, need
It will be to blade(Blade at this time is not yet worked into final size)The finish-milling processing of blade root, blade root could be carried out after square chest by pour
Off-square case is also needed to after the completion of finish-milling, although using such processing method blade root machining dimensionally stable, is the increase in and pours square chest
With off-square case two procedures, life cycle of the product and cost are increased.
Invention content
In view of the above-mentioned problems, the utility model provides a kind of fixture for compressor blade dove-tail form blade root machining,
It can solve the problem of that existing dove-tail form blade root machining needs to pour square chest and off-square case increases life cycle of the product and cost.
Its technical solution is such:A kind of fixture for compressor blade dove-tail form blade root machining, it is characterised in that:
It includes pedestal, and blade root positioning compression mechanism and integral shroud positioning compression mechanism have been mounted side by side on the pedestal, and the blade root is determined
The located space being projecting axially into for compressor blade, institute are respectively equipped in position hold-down mechanism and the integral shroud positioning compression mechanism
Blade root positioning compression mechanism is stated for positioning and compressing the position of the close blade root of the compressor blade, the integral shroud positioning pressure
Tight mechanism is used to position and compress the integral shroud position of the compressor blade;The lower inside of the located space and right side difference
Support element equipped with fixed installation is respectively used to support the lagging edge and convex profile of the compressor blade;The positioning is empty
Between inner upper and left side be respectively equipped with holding down assembly for activity installation, be respectively used to compress the compressor blade into vapour
Side and interior arc shaped surface.
It is further characterized by:
In the blade root positioning compression mechanism, the quantity of the support element on the right side of the located space for two and
Upper and lower face, the quantity to hold down assembly described on the left of the located space are two and upper and lower face;The integral shroud is determined
In the hold-down mechanism of position, the quantity of the support element on the right side of the located space is one, positioned at a located space left side
The quantity to hold down assembly of side is one.
The blade root positioning compression mechanism includes blade root positioning seat, blade root pressed seat, the first pressing plate and hook-shaped pressing plate, described
Blade root positioning seat is oppositely arranged and is separately fixed on the pedestal with the blade root pressed seat;The top of the blade root positioning seat
Hook-shaped pressing plate mounting groove is offered, the middle part of the hook-shaped pressing plate is rotatably installed in the hook-shaped pressing plate mounting groove by trunnion axis
It is interior, compressed spring is equipped between the side wall of the lower end of the hook-shaped pressing plate and the hook-shaped pressing plate mounting groove;First pressing plate
The top of the blade root positioning seat and blade root pressed seat is arranged on, the blade root pressed seat is equipped with bearing, first pressing plate
One end be rotatably installed on the bearing by trunnion axis, the other end of first pressing plate can be by the hook-shaped pressing plate pressure
Tightly;The located space, the branch are enclosed between the blade root positioning seat, the blade root pressed seat and first pressing plate
Support member is respectively and fixedly installed on the blade root positioning seat, it is described hold down assembly be movably arranged on respectively the blade root pressed seat and
On first pressing plate.
The integral shroud positioning compression mechanism includes integral shroud positioning seat, integral shroud pressed seat and the second pressing plate, the integral shroud positioning
Seat and the integral shroud pressed seat are oppositely arranged and are separately fixed on the pedestal;Second pressing plate, which is arranged on the integral shroud, to be determined
The top of position seat and the integral shroud pressed seat, and its both ends is affixed with the integral shroud positioning seat and the integral shroud pressed seat respectively,
The located space, the support are enclosed between the integral shroud positioning seat, the integral shroud pressed seat and second pressing plate
Part is respectively and fixedly installed on the integral shroud positioning seat, and described hold down assembly is movably arranged on the integral shroud pressed seat and institute respectively
It states on the second pressing plate.
It is described to hold down assembly including Type B hexagonal housing screw, cover board, sliding block and trend steel ball positioning screw, the blade root
It offers on pressed seat, the integral shroud pressed seat, first pressing plate and second pressing plate and connects with the located space respectively
Logical sliding channel, the cover board are fixedly mounted on the outside of the sliding channel, and the Type B hexagonal housing screw passes through described
Cover board and the two thread fitting, the space of slider are fitted in the sliding channel, and one end of the sliding block offers T
Type groove, the end of the Type B hexagonal housing screw are mounted in the T-slot, the other end of the sliding block and the trend steel
One end of pearl positioning screw is affixed, and the trend steel ball positioning screw is coaxially disposed with the Type B hexagonal housing screw and its head
Portion is used to compress the compressor blade.
The sliding channel is rectangular channel, and the sliding block is rectangular shaped slider.
The support element is positioning pin or support nail.
The beneficial effects of the utility model are:
The fixture of the utility model is equipped with blade root positioning compression mechanism and integral shroud positioning compression mechanism, blade root positioning compression machine
Structure is for the position of close blade root that is circumferentially positioned and compressing compressor blade, and integral shroud positioning compression mechanism is for circumferentially fixed
Position and the integral shroud position for compressing compressor blade, it is achieved thereby that the stabilization clamping of compressor blade blade, ensure that blade root
The dimensional stability of finish-milling processing, by using the fixture of the utility model, may replace it is existing pour square chest to process blade root, save
It has saved and has poured square chest and off-square case process, and then life cycle of the product can be shortened, reduced processing cost.
Description of the drawings
Fig. 1 is the structure diagram of the compressor blade with dove-tail form blade root;
Fig. 2 is the front view of the utility model fixture;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the sectional view of the line A-A along Fig. 3;
Fig. 5 is the overall structure diagram of the utility model fixture;
Fig. 6 is the structure diagram of blade to be processed;
Fig. 7 is the front and rear overturning view of Fig. 6;
Fig. 8 is the overall structure diagram using the fixture clamping blade of the utility model.
Reference numeral:
10- pedestals;
20- blade root positioning compressions mechanism;21- blade root positioning seats;The hook-shaped pressing plate mounting grooves of 211-;22- blade root pressed seats;
The first pressing plates of 23-;The hook-shaped pressing plates of 24-;25- first level axis;26- compressed springs;27- bearings;The second trunnion axis of 28-;29- branch
Bracer;
30- integral shroud positioning compressions mechanism;31- integral shroud positioning seats;32- integral shroud pressed seats;The second pressing plates of 33-;
40- located spaces;
50- compressor blades;51- dove-tail form blade roots;
60- support elements;The first support elements of 60a-;The second support elements of 60b-;60c- third support elements;60d- the 4th is supported
Part;
70- holds down assembly;70a- first holds down assembly;70b- second holds down assembly;70c- thirds hold down assembly;70d-
Four hold down assembly;71-B type hexagonal housing screws;72- cover boards;73- sliding blocks;74- trend steel ball positioning screws;
80- slides channel;
Leading edge seal faces of the 91a- at blade root;Lagging edge seal faces of the 92a- at blade root;93a- is close to leaf
Inner arc seal face at root;Back of the body arc seal faces of the 94a- at blade root;Leading edge seal face at 91b- integral shrouds;92b- integral shrouds
The lagging edge seal face at place;Inner arc seal face at 93b- integral shrouds;Back of the body arc seal face at 94b- integral shrouds.
Specific embodiment
See Fig. 2 to Fig. 8, a kind of fixture for compressor blade dove-tail form blade root machining of the utility model, including
Blade root positioning compression mechanism 20 and integral shroud positioning compression mechanism 30, blade root positioning compression has been mounted side by side on pedestal 10 in pedestal 10
The located space 40 being projecting axially into for compressor blade 50, blade root are respectively equipped in mechanism 20 and integral shroud positioning compression mechanism 30
Positioning compression mechanism 20 is used to position and compress the position of the close blade root of compressor blade 50, and integral shroud positioning compression mechanism 40 uses
In the integral shroud position for positioning and compressing compressor blade 50;The lower inside of located space 40 and right side are respectively equipped with fixed installation
Support element 60, be respectively used to support compressor blade 50 lagging edge and convex profile;The inner upper of located space 40 and
What left side was respectively equipped with activity installation holds down assembly 70, is respectively used to compress the leading edge of compressor blade 50 and interior arc shaped surface.
See Fig. 2 and Fig. 3, blade root positioning compression mechanism 20 includes blade root positioning seat 21, blade root pressed seat 22, the first pressing plate 23
With hook-shaped pressing plate 24, blade root pressed seat 22 is oppositely arranged and is separately fixed on pedestal 10 in left and right with blade root positioning seat 21;Leaf
The upper right of root positioning seat 21 offers hook-shaped pressing plate mounting groove 211, and the middle part of hook-shaped pressing plate 24 passes through first level axis 25
It is rotatably installed in hook-shaped pressing plate mounting groove 211, the lower end left side of hook-shaped pressing plate 24 and the right side of hook-shaped pressing plate mounting groove 211
Compressed spring 26 is equipped between wall, for compressed spring 26 in being horizontally disposed with, one end of compressed spring 26 is resisted against hook-shaped pressing plate installation
In spring jack on 211 right side wall of slot, the other end is resisted against on the lower end left side of hook-shaped pressing plate 24;First pressing plate 23 is set
In the top of blade root positioning seat 21 and blade root pressed seat 22, blade root pressed seat 22 is equipped with bearing 27, one end of the first pressing plate 23
It is rotatably installed on bearing 27 by the second trunnion axis 28, the other end of the first pressing plate 23 can be compressed by hook-shaped pressing plate 24;Blade root
Located space 40, the lower inside of located space 40 are enclosed between positioning seat 21,22 and first pressing plate 23 of blade root pressed seat
Equipped with the first vertically arranged support element 60a, it is fixedly mounted on blade root positioning seat 21 by a supporting block 29, for propping up
Support the lagging edge of compressor blade 50;The right side of located space 40 is equipped with horizontally disposed second support element 60b, and quantity is two
And upper and lower face, it is respectively and fixedly installed on blade root positioning seat 21, is used to support the convex profile of compressor blade 50;Positioning is empty
Between 40 inner upper hold down assembly 70a equipped with first, be movably arranged on the first pressing plate 23, for stretching into located space 40
Compress the leading edge of compressor blade 50;The left side of located space 40 holds down assembly 70b equipped with horizontally disposed second, and quantity is
Two and upper and lower face, are movably arranged on respectively on blade root pressed seat 22, for compressing the interior arc shaped surface of compressor blade 50, the
Two support element 60b and second hold down assembly 70b faces one by one.
See Fig. 4, integral shroud positioning compression mechanism 30 includes integral shroud positioning seat 31,32 and second pressing plate 33 of integral shroud pressed seat, leaf
Hat pressed seat 32 and integral shroud positioning seat 31 are oppositely arranged and are separately fixed on pedestal 10 in left and right;Second pressing plate 33 is arranged on leaf
The top of positioning seat 31 and integral shroud pressed seat 32 is preced with, and its both ends is affixed with integral shroud positioning seat 31 and integral shroud pressed seat 32 respectively,
Located space 40, the inside of located space 40 are enclosed between integral shroud positioning seat 31,32 and second pressing plate 33 of integral shroud pressed seat
Lower section is equipped with the third support element 60c being obliquely installed, and is fixedly mounted on integral shroud positioning seat 31, is used to support compressor blade
50 lagging edge;The right side of located space 40 is equipped with horizontally disposed 4th support element 60d, and quantity is one, is fixedly mounted on
On integral shroud positioning seat 31, it is used to support the convex profile of compressor blade 50;The inner upper of located space 40 is equipped with third pressure
Tight component 70c, is movably arranged on the second pressing plate 33, for stretch into located space 40 compress compressor blade 50 into vapour
Side;The left side of located space 40 holds down assembly 70d equipped with the horizontally disposed 4th, and quantity is one, is movably arranged on integral shroud pressure
On tight seat 32, for compressing the interior arc shaped surface of compressor blade 50, the 4th support element 60d and the 4th holds down assembly 70d faces.
The two second 70d formation triangular arrangements that hold down assembly that hold down assembly 70b and one the 4th, so as to fulfill to calming the anger
Stablizing for machine blade profile part compresses.
See Fig. 2 and Fig. 4, hold down assembly and 70 determine including Type B hexagonal housing screw 71, cover board 72, sliding block 73 and trend steel ball
Position screw rod 74 offers on blade root pressed seat 22, integral shroud pressed seat 32, the first pressing plate 23 and the second pressing plate 33 empty with positioning respectively
Between 40 connections sliding channels 80, slide 80 preferably rectangular channel of channel, cover board 72 is fixedly mounted on the outer of sliding channel 80
Side, Type B hexagonal housing screw 71 pass through cover board 72 and the two thread fitting, and 73 clearance fit of sliding block is mounted on sliding channel 80
Interior, one end of sliding block 73 offers T-slot, and the end of Type B hexagonal housing screw 71 is mounted in T-slot, sliding block 73 it is another
End is affixed with one end of trend steel ball positioning screw 74, and trend steel ball positioning screw 74 is coaxially set with Type B hexagonal housing screw 71
It puts and its head is used to compress compressor blade 50.
By twisting Type B hexagonal housing screw 71, Type B hexagonal housing screw 71 can rotate in the T-slot of sliding block 73, simultaneously
Sliding block 73 is pushed or pull on to move in sliding channel 80, and then trend steel ball positioning screw 74 is driven to compress or unclamp blade,
Rectangle is designed as by the way that channel 80 will be slid, can make sliding block 73 that can only move linearly in sliding channel, ensure that repetition compresses
Position it is constant.When twisting Type B hexagonal housing screw 71, it is preferred to use torque spanner, by setting fixed torsion, it is ensured that no
It tightens that power is consistent with personnel, ensures each clamping state all.
Different according to the length demand of support element 60, positioning pin or support nail can be selected in support element 60.See Fig. 2, first
What support member 60a was selected is step positioning pin, and the setting of supporting block 29 is to ensure that the height of the step positioning pin can support
Back edge;Support nail or positioning pin can be selected in second support element 60b.See that support nail can be selected in Fig. 4, third support element 60c
Or positioning pin, the 4th support element 60d select step positioning pin.
The lower process using the utility model fixture clamping blade is detailed below:Before clamping blade, need treating
It processes the integral shroud of compressor blade 50 and mills out corresponding positioning compression face respectively on the type face at blade root, see Fig. 6 and figure
7,1 leading edge seal face 91a, 1 lagging edge seal face 92a, 2 inner arcs that positioning compression face is included at blade root compress
Face 93a and 2 the back of the body arc seal face 94a and integral shroud at 1 leading edge seal face 91b, 1 lagging edge seal face 92b, 1
Inner arc seal face 93b and 1 back of the body arc seal face 94b, the position in positioning compression face 90 are opposite with the position of the compression point on fixture
It should.
Specific clamping step is as follows:
Step 1, it is compressor blade 50 to be processed is positioned axially on fixture, it is ensured that the first support element 60a is with going out
Seal face 92a fittings in vapour side are seamless, and third support element 60c is bonded seamless with lagging edge seal face 92b;
Step 2, torque spanner is set fixed torsion by blade root clamping, the Type B six for the 70b that holds down assembly by stubborn second
Angle housing screw 71 pushes sliding block 73, trend steel ball positioning screw 74 is made to compress close to inner arc seal face 93a, while carry on the back arc voltage
Tight face 94a is abutted against on the second support element 60b;The first Type B hexagonal housing screw 71 for holding down assembly 70a is screwed by hand again
Sliding block 73 is pushed, trend steel ball positioning screw 74 is made to compress leading edge seal face 91a;
Step 3, torque spanner is set fixed torsion by integral shroud clamping, the Type B six for the 70d that holds down assembly by the stubborn 4th
Angle housing screw 71 pushes sliding block 73, trend steel ball positioning screw 74 is made to compress inner arc seal face 93b, while carry on the back arc seal face
94b is abutted against on the 4th support element 60d;The hold down assembly Type B hexagonal housing screw 71 of 70c of third is screwed by hand again to push away
Movable slider 73 makes trend steel ball positioning screw 74 compress leading edge seal face 91b, completes clamping.
Claims (7)
1. a kind of fixture for compressor blade dove-tail form blade root machining, it is characterised in that:It includes pedestal, on the pedestal
Blade root positioning compression mechanism and integral shroud positioning compression mechanism is mounted side by side, the blade root positioning compression mechanism and the integral shroud are determined
The located space being projecting axially into for compressor blade is respectively equipped on the hold-down mechanism of position, the blade root positioning compression mechanism is used for
The position of the close blade root of the compressor blade is positioned and compresses, the integral shroud positioning compression mechanism is used to positioning and compressing institute
State the integral shroud position of compressor blade;The lower inside of the located space and right side are respectively equipped with the support element of fixed installation,
It is respectively used to support the lagging edge and convex profile of the compressor blade;The inner upper of the located space and left side difference
Equipped with holding down assembly for activity installation, it is respectively used to compress the leading edge of the compressor blade and interior arc shaped surface.
2. a kind of fixture for compressor blade dove-tail form blade root machining according to claim 1, it is characterised in that:Institute
It states in blade root positioning compression mechanism, the quantity of the support element on the right side of the located space is two and upper and lower face,
The quantity to hold down assembly described on the left of the located space is two and upper and lower face;The integral shroud positioning compression mechanism
In, the quantity of the support element on the right side of the located space is one, the pressure on the left of the located space
The quantity of tight component is one.
3. a kind of fixture for compressor blade dove-tail form blade root machining according to claim 1 or 2, feature exist
In:The blade root positioning compression mechanism includes blade root positioning seat, blade root pressed seat, the first pressing plate and hook-shaped pressing plate, the blade root
Positioning seat is oppositely arranged and is separately fixed on the pedestal with the blade root pressed seat;It is opened up above the blade root positioning seat
There is hook-shaped pressing plate mounting groove, the middle part of the hook-shaped pressing plate is rotatably installed in by trunnion axis in the hook-shaped pressing plate mounting groove,
Compressed spring is equipped between the side wall of the lower end of the hook-shaped pressing plate and the hook-shaped pressing plate mounting groove;The first pressing plate setting
In the top of the blade root positioning seat and blade root pressed seat, the blade root pressed seat be equipped with bearing, the one of first pressing plate
End is rotatably installed in by trunnion axis on the bearing, and the other end of first pressing plate can be compressed by the hook-shaped pressing plate;Institute
It states and is enclosed the located space, the support element between blade root positioning seat, the blade root pressed seat and first pressing plate
It is respectively and fixedly installed on the blade root positioning seat, described hold down assembly is movably arranged on the blade root pressed seat and described respectively
On first pressing plate.
4. a kind of fixture for compressor blade dove-tail form blade root machining according to claim 3, it is characterised in that:Institute
It states integral shroud positioning compression mechanism and includes integral shroud positioning seat, integral shroud pressed seat and the second pressing plate, the integral shroud positioning seat and the leaf
Hat pressed seat is oppositely arranged and is separately fixed on the pedestal;Second pressing plate is arranged on the integral shroud positioning seat and described
The top of integral shroud pressed seat, and its both ends is affixed with the integral shroud positioning seat and the integral shroud pressed seat respectively, the integral shroud is determined
The located space is enclosed between position seat, the integral shroud pressed seat and second pressing plate, the support element is fixed respectively
On the integral shroud positioning seat, described hold down assembly is movably arranged on the integral shroud pressed seat and second pressing plate respectively
On.
5. a kind of fixture for compressor blade dove-tail form blade root machining according to claim 4, it is characterised in that:Institute
It states and holds down assembly including Type B hexagonal housing screw, cover board, sliding block and trend steel ball positioning screw, it is the blade root pressed seat, described
The sliding connected with the located space is offered respectively on integral shroud pressed seat, first pressing plate and second pressing plate to lead to
Road, the cover board are fixedly mounted on the outside of the sliding channel, and the Type B hexagonal housing screw passes through the cover board and the two
Thread fitting, the space of slider are fitted in the sliding channel, and one end of the sliding block offers T-slot, the B
The end of type hexagonal housing screw is mounted in the T-slot, the other end of the sliding block and the trend steel ball positioning screw
One end it is affixed, the trend steel ball positioning screw is coaxially disposed with the Type B hexagonal housing screw and its head is for compressing
The compressor blade.
6. a kind of fixture for compressor blade dove-tail form blade root machining according to claim 5, it is characterised in that:Institute
It is rectangular channel to state sliding channel, and the sliding block is rectangular shaped slider.
7. a kind of fixture for compressor blade dove-tail form blade root machining according to claim 1 or 2, feature exist
In:The support element is positioning pin or support nail.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721663919.4U CN207534417U (en) | 2017-12-04 | 2017-12-04 | A kind of fixture for compressor blade dove-tail form blade root machining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721663919.4U CN207534417U (en) | 2017-12-04 | 2017-12-04 | A kind of fixture for compressor blade dove-tail form blade root machining |
Publications (1)
Publication Number | Publication Date |
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CN207534417U true CN207534417U (en) | 2018-06-26 |
Family
ID=62616768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721663919.4U Active CN207534417U (en) | 2017-12-04 | 2017-12-04 | A kind of fixture for compressor blade dove-tail form blade root machining |
Country Status (1)
Country | Link |
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CN (1) | CN207534417U (en) |
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2017
- 2017-12-04 CN CN201721663919.4U patent/CN207534417U/en active Active
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