CN106514356B - Universal clamp device for the processing of turbine blade overall length finish-milling - Google Patents
Universal clamp device for the processing of turbine blade overall length finish-milling Download PDFInfo
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- CN106514356B CN106514356B CN201611239692.0A CN201611239692A CN106514356B CN 106514356 B CN106514356 B CN 106514356B CN 201611239692 A CN201611239692 A CN 201611239692A CN 106514356 B CN106514356 B CN 106514356B
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- bottom plate
- overall length
- blade root
- seat
- positioning
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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
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention provides the Universal clamp device processed for turbine blade overall length finish-milling, it can solve the problems, such as that poor universality, frock cost existing for traditional overall length finish-milling fixture are big.It includes bottom plate, and lateral one end on bottom plate is fixed with integral shroud positioning compression component, the other end is equipped with blade root tooth shape locating component and blade root tooth form holds down assembly, it is characterised in that：A common bottom plate is fixed on bottom plate, offered on common bottom plate transversely, it is longitudinally perpendicular staggeredly and the keyway to distribute as net shape that connects, blade root tooth shape locating component and blade root tooth form hold down assembly through the keyway assembly connection on positioning key and common bottom plate, and by adjusting positioning key, position adapts to the positioning and clamping of the turbine blade of different airway lengths in keyway on common bottom plate.
Description
Technical field
The present invention relates to the frock clamp fields of blade processing, particularly for the logical of turbine blade overall length finish-milling processing
Use grip device.
Background technology
As the turbine blade of power station generator group core component, in working condition under the action of high temperature and high pressure steam
High speed rotation, turbine blade are assembled in assembly essentially by fir tree blade root and rotor, integral shroud overall length position and size
Using fir tree blade root as in-process measurement benchmark.
See Fig. 1, tooth shape locating mechanism 71 and integral shroud locating piece mechanism 72 are to pass through cylinder in the total lazy-tongs of traditional finish-milling
Pin and screw are directly anchored on large-scale bottom plate 80, once assembly be completed, if wanting to reuse bottom plate or certain part, dismounting
Difficulty is big, and the repetition of tooling assembles low precision, therefore each plants the different turbine blade of dimensional structure, is required for design one
The similarly sized total lazy-tongs of different finish-millings of nested structure.But it since turbine blade has the characteristics that multi items, small batch, therefore passes
Part has no versatility between the finish-milling overall length clamp fixture of system, and frock cost waste is serious.
Invention content
In view of the above-mentioned problems, the present invention provides the Universal clamp device processed for turbine blade overall length finish-milling,
It can solve the problems, such as that poor universality, frock cost existing for traditional overall length finish-milling fixture are big.
Its technical solution is the Universal clamp device for the processing of turbine blade overall length finish-milling comprising bottom plate, it is described
Lateral one end on bottom plate is fixed with integral shroud positioning compression component, the other end is equipped with blade root tooth shape locating component and blade root tooth form
It holds down assembly, it is characterised in that：A common bottom plate is fixed on the bottom plate, offered on the common bottom plate transversely, it is vertical
To vertical interlaced and the keyway of connection to distribute as net shape, the blade root tooth shape locating component and blade root tooth form hold down assembly
By the keyway assembly connection on positioning key and the common bottom plate, by adjusting positioning key key on the common bottom plate
Position adapts to the positioning and clamping of the turbine blade of different airway lengths in slot.
Further, the blade root tooth shape locating component includes tooth block seat, and it is described fixed that the tooth block seat passes through
Keyway assembly connection on position key and the common bottom plate has been replaceably mounted on the longitudinal medial face of the tooth block seat
Upper tooth shape locating block, lower toothed locating piece.
Further, the blade root tooth form holds down assembly including compressing limit base and blade root tenon tooth compact heap, the compression
The swivel plate rotatably adjusted is provided on the one side of limit base, the blade root tenon tooth compact heap is solid by star housing screw
It is connected on the swivel plate.
Further, the swivel plate is equipped with fulcrum bearing, and the star housing screw is with the fulcrum bearing through simultaneously spiral shell
Line connects, and the upper and lower both sides of the fulcrum bearing symmetrically offer arc waist hole, and there are two lock for setting on the compressions limit base
Positioning bolt, described two locking positioning bolts are each passed through two arc waist holes and by locking nut locking positionings.
Further, on the bottom plate longitudinal medial of the tooth block seat and the compression limit base, are located at
Longitudinal medial blade root side locating piece is equipped with by support plate respectively.
Further, the integral shroud positioning compression component includes the integral shroud positioning for being installed in the lateral side end of the bottom plate
Part, integral shroud pressing section is equipped in the integral shroud position portion, and the integral shroud position portion includes being installed in the bottom plate
The laterally L-type horizontal positioning sample panel seat of a side has been replaceably mounted overall length locating piece in the horizontal positioning plate seat of L-shaped,
The integral shroud pressing section includes pressing plate seat, and longitudinal both ends of the laterally inboard of the horizontal positioning sample panel seat of L-shaped are symmetrically installed
There are support base, the both ends of the pressing plate seat to be respectively and fixedly connected in the top of two support bases, the bottom of the pressing plate seat can be more
Overall length compact heap is installed with changing, the overall length compact heap is arranged with overall length locating piece face.
Further, the horizontal positioning sample panel seat of the L-type is equipped with L-shaped groove, the L-shaped groove of the horizontal positioning sample panel seat of L-type
Two sides be fixed with scotch and locating piece respectively, the overall length locating piece cooperation safety is in the L-shaped groove and described
Overall length locating piece both sides are limited by the scotch, locating piece respectively.
Further, pressing plate seat both ends are installed in by stud on the corresponding support base respectively, described
The both ends bottom of pressing plate seat is respectively equipped with replaceable keel, the longitudinally outboard end of the laterally inboard of two support bases
Top is equipped with cross spacing block, is located at the top of the laterally inboard end of the leading flank of the support base of longitudinal front side equipped with vertical
To limited block, the limited block is bonded limit with the cross spacing block, longitudinal spacing block respectively.
The beneficial effects of the present invention are：Its blade root tooth shape locating component and blade root tooth form hold down assembly and are mounted on out
Equipped with transversely, it is longitudinally perpendicular staggeredly and on the common bottom plate of the keyway to distribute as net shape that connects, to which blade root tooth form is fixed
Hyte part and blade root tooth form hold down assembly can carry out the adjusting of installation site according to blade airway length on common bottom plate, with
The positioning and clamping for adapting to different sized blades effectively improves fixture versatility, reduces frock cost；And blade root tooth form holds down assembly
The adjustment of the different angle different height of blade root tenon tooth compact heap can be realized by the rotation of swivel plate, further adapted to different
The positioning compression requirement of sized blades, it is versatile；And upper tooth shape locating block, lower toothed positioning for positioning compression blade
Block, blade root tenon tooth compact heap, overall length locating piece, overall length compact heap are all made of replaceable design, for the difference of different leaves
The blade root in structural type face, integral shroud, it is only necessary to assemble corresponding above-mentioned part, therefore frock cost can be substantially reduced.
Description of the drawings
Fig. 1 is existing traditional finish-milling overall length clamp structure schematic diagram；
Fig. 2 is structural schematic diagram of the present invention for the Universal clamp device of turbine blade overall length finish-milling processing；
Fig. 3 is that middle period rooted tooth shape positioning component of the invention is assemblied in the structural schematic diagram on common bottom plate；
Fig. 4 is that middle period rooted tooth shape of the invention holds down assembly the structural schematic diagram being assemblied on common bottom plate；
Fig. 5 is the structural schematic diagram of integral shroud pressing section in integral shroud positioning compression component in the present invention；
Fig. 6 is that integral shroud position portion is assemblied in the structural schematic diagram on bottom plate in integral shroud positioning compression component in the present invention；
Fig. 7 is the schematic diagram of Universal clamp device clamping blade of the present invention.
Reference numeral：10- bottom plates；20- integral shroud positioning compression components；21- integral shroud position portions；The horizontal positioning of 211-L types
Model seat；2111-L shape slots；212- overall length locating pieces；213- scotch；214- locating pieces；22- integral shroud pressing sections； 221-
Pressing plate seat；222a- support bases；222b- support bases；223- overall length compact heaps；224- studs；225- keels；226- is horizontal
To limited block；227- longitudinal spacing blocks；30- blade root tooth shape locating components；31- tooth block seats；The upper tooth shape locatings of 32-
Block；33- lower toothed locating pieces；34- support plates；35- blade roots side locating piece；36- screws；37- screws；40- blade root tooth form pressures
Tight component；41- compresses limit base；42- blade root tenon tooth compact heaps；43- swivel plates；431- fulcrum bearings；432- arc waist holes；44-
Star housing screw；45- positioning bolts；50- common bottom plates；51- keyways；52- keyways；60- blades；71- tooth shape locatings mechanism；
72- integral shroud locating pieces mechanism；80- large size bottom plates.
Specific implementation mode
See that Fig. 2, the present invention are used for the Universal clamp device of turbine blade overall length finish-milling processing comprising bottom plate 10, bottom
Lateral one end on plate 10 is fixed with integral shroud positioning compression component 20, the other end is equipped with blade root tooth shape locating component 30 and blade root
Tooth form holds down assembly 40；A common bottom plate 50 is fixed on bottom plate 10, offered on common bottom plate 50 transversely, longitudinally perpendicular friendship
The keyway 51,52 to distribute as net shape that is wrong and connecting, wherein keyway 51 are transversely to open up, and keyway 52 opens up along longitudinal direction, leaf
Rooted tooth shape positioning component 30 and blade root tooth form hold down assembly 40 by the assembly of keyway 51,52 on positioning key and common bottom plate 50
Connection, by adjusting positioning key, position adapts to the turbine blade of different airway lengths in keyway 51 on common bottom plate 50
Positioning and clamping.
Wherein, see that Fig. 3, blade root tooth shape locating component 30 include tooth block seat 31, tooth block seat 31 passes through positioning key
It is replaceable by screw 36,37 on the longitudinal medial face of tooth block seat 31 with 51 assembly connection of keyway on common bottom plate 50
Ground is equipped with tooth shape locating block 32, lower toothed locating piece 33.
See that Fig. 4, blade root tooth form hold down assembly 40 including compressing limit base 41 and blade root tenon tooth compact heap 42, compress limit base
The swivel plate 43 rotatably adjusted is provided on 41 one side, blade root tenon tooth compact heap 42 is affixed by star housing screw 44
In on swivel plate 43；Swivel plate 43 is equipped with fulcrum bearing 431, and star housing screw 44 runs through and is threadedly coupled with fulcrum bearing 431,
Arc waist hole 432 is symmetrically offered positioned at the upper and lower both sides of fulcrum bearing 431 on swivel plate 43, compresses and is provided on limit base 41
Two locking positioning bolts 45, two locking positioning bolts 45 are each passed through two arc waist holes 432 and are locked by locking nut
Tightening position, to which swivel plate 43 can.
See Fig. 3 and Fig. 4, on bottom plate 10, is located at the longitudinal medial of tooth block seat 31 and compresses the vertical of limit base 41
Blade root side locating piece 35 is equipped with by support plate 34 respectively inwardly.
See that Fig. 5 and Fig. 6, integral shroud positioning compression component 20 include the integral shroud positioning region for being installed in the lateral side end of bottom plate 10
Divide 21, integral shroud pressing section 22 is installed in integral shroud position portion 21, integral shroud position portion 21 includes being installed in bottom plate 10 laterally
The L-type horizontal positioning sample panel seat 211 of one side has been replaceably mounted overall length locating piece 212 in the horizontal positioning plate seat of L-shaped 211,
Integral shroud pressing section 22 includes pressing plate seat 221, and longitudinal both ends of the laterally inboard of the horizontal positioning sample panel seat of L-shaped 211 are equipped with pair
The both ends of support base 222a, 222b of title, pressing plate seat 221 are respectively and fixedly connected in the top of two support bases 222a, 222b, pressing plate seat
221 bottom has been replaceably mounted overall length compact heap 223, and overall length compact heap 223 is arranged with 212 face of overall length locating piece；
The horizontal positioning sample panel seat 211 of L-type is equipped with L-shaped groove 2111, the both sides of the L-shaped groove 2111 of the horizontal positioning sample panel seat of L-type
Face is fixed with scotch 213 and locating piece 214 respectively, and overall length locating piece 212 coordinates safety in L-shaped groove 2111 and overall length is fixed
Position 212 both sides of block are limited by scotch 213, locating piece 214 respectively；
221 both ends of pressing plate seat are installed in by stud 224 on corresponding support base 222a, 222b respectively, pressing plate seat
221 both ends bottom is respectively equipped with replaceable keel 225, and the longitudinal direction of the laterally inboard of two support bases 222a, 222b is outer
It is equipped with cross spacing block 226 at the top of side, is located at the laterally inboard end of the leading flank of the support base 222a of longitudinal front side
Top is equipped with longitudinal spacing block 227, and two keels 225 are pasted with cross spacing block 226, longitudinal spacing block 227 respectively
Close limit；Pressing plate seat 221 carries out the positioning of vertical position by the keel 225 of bottom two, and pressing plate seat 221 is installed on two
When on support base 222a, 222b, the keel 225 and the cross spacing on support base 222a that are located at the longitudinal front side of pressing plate seat 221
Block 226, longitudinal spacing block 227 are bonded, then will be positioned at the keel 225 and support base 222b of the longitudinal rear side of pressing plate seat 221
Cross spacing block 226 be bonded, can ensure pressing plate seat 221 transverse direction, lengthwise position it is constant, it is ensured that pressing plate seat 221
The overall length compact heap 223 of bottom can keep face, the final reliable positioning ensured to blade shroud to press with overall length locating piece 212
Tightly.
Universal fixturing of the present invention in clamping blade, by the upper tooth shape locating block 32 that is connected on tooth block seat 31,
Lower toothed locating piece 33 compresses blade root tooth form by blade root tenon tooth compact heap 42, passes through integral shroud to blade tooth shape locating
Overall length locating piece 212, the overall length compact heap 223 of positioning compression component 20 to carry out positioning compression to integral shroud overall length, so that it is determined that
The relativeness of integral shroud and blade root ensures machining accuracy.
Universal clamp device of the present invention, for the clamping of different model sized blades, it is only necessary to adjust blade root tooth shape locating
In component 30 and blade root tooth form hold down assembly 40 position on common bottom plate 50 come regulation blade clamping length, adjust blade root tooth
Hold down assembly 40 position of swivel plate 43 of shape adjusts the height and angle of blade root tenon tooth compact heap 42, while assembling and blade
Blade root tooth form accordingly upper tooth shape locating block 32, lower toothed locating piece 33, blade root tenon tooth compact heap 42 and with integral shroud type face phase
Corresponding overall length locating piece 212, overall length compact heap 223 and keel 225 can carry out reliable clamping to blade；According to not
With the blade of gauge size, it is only necessary to design corresponding upper tooth shape locating block 32, lower toothed locating piece 33, blade root tenon tooth compact heap
42, overall length locating piece 212, overall length compact heap 223 and keel 225, therefore the design processing capacity of grip device is greatly reduced, subtract
Use and the tooling manufacturing cost of clamp material are lacked, have shortened the Fixture Design period, effectively improve Operational preparation efficiency.
Claims (7)
1. the Universal clamp device for the processing of turbine blade overall length finish-milling comprising bottom plate（10）, the bottom plate（10）On
Lateral one end be fixed with integral shroud positioning compression component（20）, the other end be equipped with blade root tooth shape locating component（30）With blade root tooth
Shape holds down assembly（40）, it is characterised in that：The bottom plate（10）On be fixed with a common bottom plate（50）, the common bottom plate（50）
On offer transversely, it is longitudinally perpendicular staggeredly and the keyway to distribute as net shape that connects（51、52）, the blade root tooth shape locating
Component（30）It holds down assembly with blade root tooth form（40）Pass through positioning key and the common bottom plate（50）On keyway（51、52）Dress
With connection, by adjusting positioning key keyway on the common bottom plate（51、52）Interior position adapts to different airway lengths
Turbine blade positioning and clamping；The blade root tooth shape locating component（30）Including tooth block seat（31）, the tooth form sample
Panel seat（31）Pass through the keyway on the positioning key and the common bottom plate（51、52）Assembly connection, the tooth block seat
（31）Longitudinal medial face on be replaceably mounted tooth shape locating block（32）, lower toothed locating piece（33）.
2. the Universal clamp device according to claim 1 for the processing of turbine blade overall length finish-milling, it is characterised in that：
The blade root tooth form holds down assembly（40）Including compressing limit base（41）With blade root tenon tooth compact heap（42）, the compression limit base
（41）One side on be provided with the swivel plate rotatably adjusted（43）, the blade root tenon tooth compact heap（42）It is compressed by star
Screw（44）It is fixed in the swivel plate（43）On.
3. the Universal clamp device according to claim 2 for the processing of turbine blade overall length finish-milling, it is characterised in that：
The swivel plate（43）It is equipped with fulcrum bearing（431）, the star housing screw（44）With the fulcrum bearing（431）Through simultaneously spiral shell
Line connects, the swivel plate（43）It is upper to be located at the fulcrum bearing（431）Upper and lower both sides symmetrically offer arc waist hole（432）,
The compression limit base（41）There are two locking positioning bolts for upper setting（45）, described two locking positioning bolts（45）It wears respectively
Cross two arc waist holes（432）And pass through locking nut locking positioning.
4. the Universal clamp device according to claim 2 or 3 for the processing of turbine blade overall length finish-milling, feature exists
In：The bottom plate（10）Above, it is located at the tooth block seat（31）Longitudinal medial and the compression limit base（41）'s
Longitudinal medial passes through support plate respectively（34）Blade root side locating piece is installed（35）.
5. the Universal clamp device according to claim 1 for the processing of turbine blade overall length finish-milling, it is characterised in that：
The integral shroud positioning compression component（20）Integral shroud position portion including being installed in the lateral side end of the bottom plate（21）, described
Integral shroud position portion（21）On integral shroud pressing section is installed（22）, the integral shroud position portion（21）Including being installed in the bottom
The horizontal positioning sample panel seat of L-type of the lateral side of plate（211）, the horizontal positioning plate seat of L-type（211）On be replaceably mounted
Overall length locating piece（212）, the integral shroud pressing section（22）Including pressing plate seat（221）, the horizontal positioning sample panel seat of L-type
（211）Longitudinal both ends of laterally inboard be symmetrically installed with support base（222a、222b）, the pressing plate seat（221）Both ends point
It is not fixed in two support bases（222a、222b）Top, the pressing plate seat（221）Bottom be replaceably mounted always
Long compact heap（223）, the overall length compact heap（223）With overall length locating piece（212）Face is arranged.
6. the Universal clamp device according to claim 5 for the processing of turbine blade overall length finish-milling, it is characterised in that：
The horizontal positioning sample panel seat of L-type（211）Equipped with L-shaped groove（2111）, the L-shaped groove of the horizontal positioning sample panel seat of L-type（2111）
Two sides be fixed with scotch respectively（213）And locating piece（214）, the overall length locating piece（212）Cooperation safety is in the L
Shape slot（2111）The interior and described overall length locating piece（212）Both sides are respectively by the scotch（213）, locating piece（214）Limit.
7. the Universal clamp device according to claim 5 for the processing of turbine blade overall length finish-milling, it is characterised in that：
The pressing plate seat（221）Both ends pass through stud respectively（224）It is installed in the corresponding support base（222a、222b）On,
The pressing plate seat（221）Both ends bottom be respectively equipped with replaceable keel（225）, two support bases（222a、
222b）Laterally inboard longitudinally outboard end at the top of be equipped with cross spacing block（226）, it is located at the branch of longitudinal front side
Support seat（222a）Leading flank laterally inboard end at the top of be equipped with longitudinal spacing block（227）, the keel（225）Respectively with
The cross spacing block（226）, longitudinal spacing block（227）Fitting limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239692.0A CN106514356B (en) | 2016-12-28 | 2016-12-28 | Universal clamp device for the processing of turbine blade overall length finish-milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239692.0A CN106514356B (en) | 2016-12-28 | 2016-12-28 | Universal clamp device for the processing of turbine blade overall length finish-milling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106514356A CN106514356A (en) | 2017-03-22 |
| CN106514356B true CN106514356B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611239692.0A Active CN106514356B (en) | 2016-12-28 | 2016-12-28 | Universal clamp device for the processing of turbine blade overall length finish-milling |
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| CN (1) | CN106514356B (en) |
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| CN201744716U (en) * | 2010-08-12 | 2011-02-16 | 四川省自贡市海川实业有限公司 | Clamp dedicated for fine milling of radial inclined planes of blade basin |
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| GB201406921D0 (en) * | 2014-04-17 | 2014-06-04 | Advanced Mfg Sheffield Ltd | Apparatus and method for vibration mitigation |
| US10105804B2 (en) * | 2014-10-15 | 2018-10-23 | United Technologies Corporation | Fixture system and method for securing an airfoil during material removal operations |
| CN206356943U (en) * | 2016-12-28 | 2017-07-28 | 无锡透平叶片有限公司 | A kind of Universal clamp device processed for turbine blade overall length finish-milling |
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2016
- 2016-12-28 CN CN201611239692.0A patent/CN106514356B/en active Active
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| CN106514356A (en) | 2017-03-22 |
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