CN206445543U - A kind of grip device for turbine blade root bottom surface Milling Process - Google Patents
A kind of grip device for turbine blade root bottom surface Milling Process Download PDFInfo
- Publication number
- CN206445543U CN206445543U CN201621465568.1U CN201621465568U CN206445543U CN 206445543 U CN206445543 U CN 206445543U CN 201621465568 U CN201621465568 U CN 201621465568U CN 206445543 U CN206445543 U CN 206445543U
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- Prior art keywords
- tooth shape
- blade root
- positioning
- shape locating
- locating
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- Withdrawn - After Issue
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Abstract
The utility model provides a kind of grip device for turbine blade root bottom surface Milling Process, it can solve the problem of existing turbine blade root bottom surface processing and loading clamp is unstable, positioning precision is not high, while solving the problem of its poor universality, frock cost are high, the manufacturing cycle is long.A laterally side on bottom plate, which is provided with, to be provided with blade root tooth shape locating on molded line positioning component, laterally another side and holds down assembly；Molded line positioning component includes the model seat being installed on the horizontal one end of the bottom plate, model seat is provided with L-shaped locating slot, positioning templet has been replaceably mounted in the L-shaped locating slot of model seat, positioning templet is provided with the molded line locating surface matched with blade concavity type face, model locating piece and support jacking block are fixed with longitudinal two sides of model seat respectively, the top surface of model locating piece and support jacking block is higher than the groove bottom of L-shaped locating slot, and longitudinal two side ends of positioning templet are held out against by model locating piece and support jacking block longitudinal register respectively.
Description
Technical field
The utility model is related to the frock clamp field of turbine Blade Machining, is specially that one kind is used for turbine blade leaf
The grip device of foundation face Milling Process.
Background technology
Influenceed by Steam Turbine overall market situation, the competition between vane manufacturing enterprise grows in intensity, client couple
The crudy and manufacturing cost of blade propose more harsh requirement.The frock that depends primarily on of the crudy of blade is pressed from both sides
A critically important part depends on generally applicable property and the manufacturing cycle of frock in precision, the stability of tool, the manufacturing cost of blade.
The frock clamp processed for turbine blade root bottom surface, in the industry generally using the main positioning of blade root, the knot of type face auxiliary positioning
There is following drawback in structure, the structure：1）2~3 stud float supports are commonly used in type face auxiliary positioning part, see Fig. 1, are needed during clamping
The height of each float support of workman's manual setting is determined with fit type face as far as possible, this supporting way that can freely adjust
The reproducibility and stability extreme difference of fixture clamping；2）Simultaneously contacted in the way of point location between stud and type face, this
Plant mode positioning precision and stability extreme difference；3）The characteristics of there are multi items, small batch due to the processing of turbine blade, for
Different cultivars, the turbine blade of different model generally require each product and respectively manufacture a set of milling blade root bottom surface fixture, thus should
The versatility extreme difference of fixture, frock cost is high, and the manufacturing cycle is long；In summary, existing clamping can not meet current blade
High-quality and inexpensive requirement.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of fixture for turbine blade root bottom surface Milling Process
Device, it can solve the problem of existing turbine blade root bottom surface processing and loading clamp is unstable, positioning precision is not high, solve simultaneously
The problem of its poor universality, frock cost are high, the manufacturing cycle is long.
Its technical scheme is, a kind of grip device for turbine blade root bottom surface Milling Process, and it includes bottom plate,
A laterally side on the bottom plate is provided with the molded line positioning component for locating blades type face, laterally another side and installed
Have and held down assembly for the blade root tooth shape locating of positioning compression blade root tooth form, it is characterised in that：The molded line positioning component
Including the model seat being installed on the horizontal one end of the bottom plate, the model seat is provided with L-shaped locating slot, the L of the model seat
Positioning templet is replaceably mounted in shape locating slot, the positioning templet is provided with the molded line matched with blade concavity type face
Model locating piece and support jacking block, the model locating piece are fixed with respectively on locating surface, longitudinal two sides of the model seat
It is higher than the groove bottom of the L-shaped locating slot with the top surface of support jacking block, longitudinal two side ends of the positioning templet are respectively by described
Model locating piece and support jacking block longitudinal register are held out against.
Further, the side bottom surface of the positioning templet towards the support jacking block offers locking groove, Top fastening screw
Longitudinally held out against with the positioning templet longitudinally through being stretched into after the support jacking block in the locking groove.
Further, the bottom surface of the model seat and the bottom plate are by positioning pin connection, and model seat bottom surface
Fastened with the bottom plate holding screw, be respectively used to be connected the dowel hole of positioning, tightening with model seat on the bottom plate
Screw hole is horizontally arranged with two groups along the bottom plate.
Further, the blade root tooth shape locating holds down assembly including tooth shape locating part and support compression part, described
Tooth shape locating part includes steam admission side tooth shape locating portion and steam output side tooth shape locating portion, the steam admission side tooth shape locating portion, goes out vapour
Side tooth shape locating part is located at longitudinal both sides of the horizontal side of the bottom plate, and the support compression part includes steam admission side and supported
Compressed part and steam output side support compression portion, the steam admission side support compression portion, steam output side support compression portion are correspondingly arranged in respectively
The steam admission side tooth shape locating portion and the laterally inboard in steam output side tooth shape locating portion.
Further, the steam admission side tooth shape locating portion, steam output side tooth shape locating portion include tooth shape locating block, the tooth
Positioning toothed surface is equipped with shape locating surface, the tooth shape locating block is installed on the bottom plate, the steam admission side tooth shape locating
Portion, the longitudinally outboard end face of the tooth shape locating block in steam output side tooth shape locating portion be separately installed with blade root steam admission side locating piece,
Blade root steam output side compact heap.
Further, the longitudinally outboard face of the tooth shape locating block be provided with locating slot, the blade root steam admission side locating piece,
It is respectively equipped with blade root steam output side compact heap on positioning boss, the blade root steam admission side locating piece, blade root steam output side compact heap
Positioning positioning boss is assemblied in the locating slot of the corresponding tooth shape locating block respectively.
Further, the steam admission side tooth shape locating portion, the tooth shape locating block in steam output side tooth shape locating portion pass through positioning
Key and the keyway assembly connection on the bottom plate.
Further, the steam admission side support compression portion and steam output side support compression portion include pressing plate seat and tooth form is compressed
Block, the pressing plate seat is rotatably adjustably mounted on the seat board, and the pressing plate seat top surface passes through stud bolt an nut, tune
Section support is provided with pressing plate, and the tooth form compact heap is contacted provided with toothed surface, the compression toothed surface is compressed with blade root toothed surface,
The bottom seal face of the pressing plate contacts compression with the tooth form compact heap top surface.
Further, a side of the pressing plate bottom surface offers support slot, and the bottom of the regulation support is fixed in institute
State that pressing plate seat is upper, the other end stretch into the pressing plate is supported in the support slot it is spacing；The pressing plate center is opened up
Have at the top of waist type groove, the studs through the waist type groove and the nut check.
Further, the bottom plate is longitudinally asymmetric provided with circular arc mounting hole, described pressing plate seat bottom surface one end provided with two
Positioning, the other end are connected by positioning screw between the bottom plate circular arc mounting hole is passed through by hexagon socket cap head screw
It can adjust and be connected with the bottom plate afterwards.
The beneficial effects of the utility model are：
（1）It is by the molded line locating surface on positioning templet come fixed to blade carry out type face auxiliary positioning, especially molded line
Contacted between plane and blade profile for face, therefore the molded line locating surface of positioning templet can reliably fit between blade profile,
So as to which positioning precision is high, stability is good；Positioning templet is integrally fixed on positioning sample panel seat simultaneously, and it is once installed in place fixed
Without manually adjusting again during the clamping blade of position, therefore the positioning that can evade traditional-handwork adjustment positioning belt from source is unreliable
And destabilizing factor；
（2）Bottom plate, which is provided with, can adjust the circular arc mounting hole of pressing plate seat angle, so as to realize steam admission side branch bulging
Tight portion and steam output side support compression portion can carry out angle accommodation with the virtual condition of blade；And be respectively used on bottom plate with
The dowel hole of model seat connection positioning, set screw hole are horizontally arranged with two groups along bottom plate so that tooth shape locating part can
With vane type line height unrestricted choice position location；Therefore the universal performance of fixture can be effectively improved, greatly reduce frock
Manufacture and design cycle and frock cost.
Brief description of the drawings
Fig. 1 illustrates for a kind of main view of grip device for turbine blade root bottom surface Milling Process of the utility model
Figure；
Fig. 2 is Fig. 1 schematic top plan view；
Fig. 3 is Fig. 1 left view schematic diagram；
Fig. 4 is the structural representation of model seat in the utility model grip device；
Fig. 5 is the structural representation of positioning templet in the utility model grip device；
Fig. 6 is the structural representation of tooth shape locating block in the utility model grip device；
Fig. 7 is Fig. 6 schematic side view；
Fig. 8 is the structural representation of blade root steam admission side locating piece in the utility model grip device；
Fig. 9 is the structural representation of blade root steam output side compact heap in the utility model grip device；
Figure 10 is the structural representation of the utility model grip device center platen；
Figure 11 is the structural representation of bottom plate in the utility model grip device；
Figure 12 is the structural representation of the utility model grip device clamping blade.
Reference：10- bottom plates；11- dowel holes；12- set screw holes；13- keyways；14- circular arc mounting holes；20-
Molded line positioning component；21- models seat；211-L shape locating slots；2111- groove bottoms；22- positioning templets；221- molded line locating surfaces；
222- locking grooves；23- model locating pieces；24- supports jacking block；30- blade root tooth shape locatings hold down assembly；31- tooth shape locatings part；
310- tooth shape locating blocks；3101- positions toothed surface；3102- locating slots；311- steam admission side tooth shape locatings portion；3111- blade roots enter vapour
Side locating piece；31111- positioning boss；312- steam output side tooth shape locatings portion；3121- blade root steam output side compact heaps；31211- is positioned
Boss；32- support compressions part；321- steam admission side support compressions portion；322- steam output side support compressions portion；3201- pressing plates seat；
3202- tooth form compact heaps；32021- compresses toothed surface；3203- studs；3204- regulation supports；3205- pressing plates；
32051- bottoms seal face；32052- support slots；32053- kidney slots；3206- nuts；40- blades.
Embodiment
See Fig. 1, Fig. 2 and Fig. 3, the laterally side that the utility model grip device is included on bottom plate 10, bottom plate 10 is installed
Have and be provided with the molded line positioning component 20 for locating blades type face, laterally another side for positioning compression blade and blade rooted tooth
The blade root tooth shape locating of shape holds down assembly 30；Molded line positioning component 20 includes the model seat being installed on the horizontal one end of bottom plate 10
21, see Fig. 4, model seat 21 is provided with L-shaped locating slot 211, the L-shaped locating slot 211 of model seat and has been replaceably mounted positioning
Model 22, positioning templet 22 is provided with the molded line locating surface 221 that matches with blade concavity type face, sees Fig. 5, model seat 21 it is vertical
The top surface height of model locating piece 23 and support jacking block 24, model locating piece 23 and support jacking block 24 is fixed with to two sides respectively
In the groove bottom 2111 of the L-shaped locating slot 211, longitudinal two side ends of positioning templet 22 are respectively by model locating piece 23 and support
The longitudinal register of jacking block 24 is held out against；The side bottom surface of positioning templet 22 towards support jacking block 24 offers locking groove 222, Top fastening screw
Longitudinally through being stretched into after support jacking block 24, locking groove 222 is interior to be held out against with the longitudinal direction of positioning templet 22；The bottom surface of model seat 21 and bottom plate
10 by positioning pin connection, and 21 bottom surfaces of model seat are fastened with bottom plate 10 by holding screw, be respectively used on bottom plate 10 and
The dowel hole 11 of the connection positioning of model seat 21, set screw hole 12 are horizontally arranged with two groups along bottom plate 10.
Blade root tooth shape locating hold down assembly 30 include tooth shape locating part 31 and support compression part 32, tooth shape locating part
31 include steam admission side tooth shape locating portion 311 and steam output side tooth shape locating portion 312, steam admission side tooth shape locating portion 311, steam output side tooth form
Location division 312 is divided into longitudinal both sides of the horizontal side of bottom plate 10, and support compression part 32 includes steam admission side support compression portion
321 and steam output side support compression portion 322, steam admission side support compression portion 321, steam output side support compression portion 322 are correspondingly arranged respectively
Laterally inboard in steam admission side tooth shape locating portion 311 and steam output side tooth shape locating portion 312.
Steam admission side tooth shape locating portion 311, steam output side tooth shape locating portion 312 include tooth shape locating block 310, tooth shape locating block
Positioning toothed surface 3101 is equipped with 310, tooth shape locating block 310 is installed on bottom plate 10, steam admission side tooth shape locating portion 311, gone out
The longitudinally outboard end face of the tooth shape locating block 310 in vapour side tooth shape locating portion 312 be separately installed with blade root steam admission side locating piece 3111,
Blade root steam output side compact heap 3121；The longitudinally outboard face of tooth shape locating block 310 is provided with locating slot 3102, the positioning of blade root steam admission side
Positioning boss 31111,31211, blade root steam admission side locating piece are respectively equipped with block 3111, blade root steam output side compact heap 3121
3111st, the positioning boss 31111,31211 on blade root steam output side compact heap 3121 is assemblied in corresponding tooth shape locating block 310 respectively
Locating slot 3102 in；Steam admission side tooth shape locating portion 311, the tooth shape locating block 310 in steam output side tooth shape locating portion 312 are by fixed
Position key and the assembly connection of keyway 13 on bottom plate.
Steam admission side support compression portion 321 and steam output side support compression portion 322 include pressing plate seat 3201 and tooth form compact heap
3202, pressing plate seat 3201 is rotatably adjustably mounted on seat board 10, and pressing plate 3201 top surfaces of seat pass through studs 3203 and spiral shell
Mother 3206, regulation support 3204 are provided with pressing plate 3205, and tooth form compact heap 3202 compresses tooth form provided with toothed surface 32021 is compressed
Face 32021 is contacted with blade root toothed surface, and the bottom seal face 32051 of pressing plate 3205 contacts pressure with the top surface of tooth form compact heap 3202
Tightly；One side of the bottom surface of pressing plate 3205 offers support slot 32052, and the bottom of regulation support 3204 is fixed in pressing plate seat 3201
The upper, other end stretch into pressing plate 3205 is supported in support slot 32052 it is spacing；The center of pressing plate 3205 offers waist type groove
32053, the top of studs 3203 is locked through waist type groove 32053 with nut 3206, so that pressing plate 3205 can be in waist type groove
Movement is adjusted in the range of 32053, to adapt to the compression to different sized blades blade roots；Bottom plate 10 is longitudinally asymmetric provided with two
Provided with circular arc mounting hole 14, between pressing plate 3201 bottom surface one end of seat and 10 bottom plates by positioning screw connection positioning, the other end by
Hexagon socket cap head screw is passed through to can adjust with bottom plate 10 after circular arc mounting hole 14 and is connected.
During the utility model grip device clamping turbine blade, by the inner arc tooth form of blade root and tooth shape locating block
310 tooth shape locating face 3101 is fitted, and two tooth form compact heaps 3202 is positioned in the back of the body arc toothed surface of blade root and caused
The back of the body arc toothed surface of blade root is fitted with the compression toothed surface 32021 of tooth form compact heap, then by blade concavity type face and molded line
Locating surface 221 is fitted, and nut 3206 and studs 3203 are tightened to the bottom seal face 32051 and tooth form for causing pressing plate 3205
The top surface contact of compact heap 3202 is so as to tight by the back of the body curved tooth shape face pressure of tooth form compact heap 3202 and blade root.
Claims (10)
1. a kind of grip device for turbine blade root bottom surface Milling Process, it includes bottom plate（10）, the bottom plate
（10）On a laterally side molded line positioning component for locating blades type face is installed（20）, laterally install on another side
Have and held down assembly for the blade root tooth shape locating of positioning compression blade root tooth form（30）, it is characterised in that：The molded line positioning
Component（20）Including the model seat being installed on the horizontal one end of the bottom plate（21）, the model seat（21）Provided with L-shaped positioning
Groove（211）, the L-shaped locating slot of the model seat（211）Inside it has been replaceably mounted positioning templet（22）, the positioning templet
（22）Provided with the molded line locating surface matched with blade concavity type face（221）, the model seat（21）Longitudinal two sides on
Model locating piece is fixed with respectively（23）With support jacking block（24）, the model locating piece（23）With support jacking block（24）Top surface
Higher than the groove bottom of the L-shaped locating slot（2111）, the positioning templet（22）Longitudinal two side ends determined respectively by the model
Position block（23）With support jacking block（24）Longitudinal register is held out against.
2. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 1, its feature
It is：The positioning templet（22）Locking groove is offered towards the side bottom surface of the support jacking block（222）, Top fastening screw longitudinal direction
After the support jacking block（24）Stretch into the locking groove（222）The interior and positioning templet（22）Longitudinal direction is held out against.
3. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 2, its feature
It is：The model seat（21）Bottom surface and the bottom plate（10）By positioning pin connection, and model seat（21）Bottom surface
With the bottom plate（10）Fastened by holding screw, the bottom plate（10）On be respectively used to and the model seat（21）Connection positioning
Dowel hole（11）, holding screw（12）Hole is horizontally arranged with two groups along the bottom plate.
4. filled according to any described a kind of fixture for turbine blade root bottom surface Milling Process in claims 1 to 3
Put, it is characterised in that：The blade root tooth shape locating holds down assembly including tooth shape locating part（31）With support compression part（32）,
The tooth shape locating part（31）Including steam admission side tooth shape locating portion（311）With steam output side tooth shape locating portion（312）, it is described enter vapour
Side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）It is divided into the bottom plate（10）The longitudinal direction two of a horizontal side
Side, the support compression part（32）Including steam admission side support compression portion（321）With steam output side support compression portion（322）, it is described
Steam admission side support compression portion（321）, steam output side support compression portion（322）The steam admission side tooth shape locating portion is correspondingly arranged in respectively
（311）With steam output side tooth shape locating portion（312）Laterally inboard.
5. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 4, its feature
It is：The steam admission side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）Include tooth shape locating block（310）, institute
State tooth shape locating block（310）On be equipped with positioning toothed surface（3101）, the tooth shape locating block（3101）It is installed in the bottom plate
（10）On, the steam admission side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）The tooth shape locating block（310）'s
Longitudinally outboard end face is separately installed with blade root steam admission side locating piece（3111）, blade root steam output side compact heap（3121）.
6. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 5, its feature
It is：The tooth shape locating block（310）Longitudinally outboard face be provided with locating slot（3102）, the blade root steam admission side locating piece
（3111）, blade root steam output side compact heap（3121）On be respectively equipped with positioning boss（31111、31211）, the blade root steam admission side determine
Position block（3111）, blade root steam output side compact heap（3121）On positioning boss（31111、31211）Corresponding institute is assemblied in respectively
State tooth shape locating block（310）Locating slot（3102）It is interior.
7. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 5 or 6, it is special
Levy and be：The steam admission side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）Tooth shape locating block（310）Pass through
Positioning key and the bottom plate（10）On keyway（13）Assembly connection.
8. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 4, its feature
It is：The steam admission side support compression portion（321）With steam output side support compression portion（322）Include pressing plate seat（3201）And tooth form
Compact heap（3202）, the pressing plate seat（3201）Rotatably it is adjustably mounted to the seat board（10）On, the pressing plate seat
（3201）Top surface passes through studs（3203）And nut（3206）, regulation support（3204）Pressing plate is installed（3205）, it is described
Tooth form compact heap（3202）Provided with compression toothed surface（32021）, the compression toothed surface（32021）Contacted with blade root toothed surface,
The pressing plate（3205）Bottom seal face（32051）With the tooth form compact heap（3202）Top surface contact is compressed.
9. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 8, its feature
It is：The pressing plate（3205）One side of bottom surface offers support slot（32052）, the regulation support（3204）Bottom consolidate
It is connected to the pressing plate seat（3201）The upper, other end stretches into the support slot（32052）It is interior to the pressing plate（3201）It is supported
It is spacing；The pressing plate（3205）Center offers waist type groove（32053）, the studs（3203）Top is described in
Waist type groove（32053）With the nut（3206）Locking.
10. a kind of grip device for turbine blade root bottom surface Milling Process according to claim 9, its feature
It is：The bottom plate（10）It is longitudinally asymmetric provided with circular arc mounting hole provided with two（14）, the pressing plate seat（3201）Bottom surface one
End and the bottom plate（10）Between by positioning screw connection positioning, the other end by hexagon socket cap head screw pass through the circular arc
Mounting hole（14）Afterwards with the bottom plate（10）Adjustable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465568.1U CN206445543U (en) | 2016-12-29 | 2016-12-29 | A kind of grip device for turbine blade root bottom surface Milling Process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465568.1U CN206445543U (en) | 2016-12-29 | 2016-12-29 | A kind of grip device for turbine blade root bottom surface Milling Process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206445543U true CN206445543U (en) | 2017-08-29 |
Family
ID=59674169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465568.1U Withdrawn - After Issue CN206445543U (en) | 2016-12-29 | 2016-12-29 | A kind of grip device for turbine blade root bottom surface Milling Process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206445543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736700A (en) * | 2016-12-29 | 2017-05-31 | 无锡透平叶片有限公司 | For the grip device of turbine blade root bottom surface Milling Process |
| CN110315358A (en) * | 2019-06-21 | 2019-10-11 | 西安朋邦工贸有限公司 | A kind of low-pressure turbine guide vane clamping mechanism and clamping method |
-
2016
- 2016-12-29 CN CN201621465568.1U patent/CN206445543U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736700A (en) * | 2016-12-29 | 2017-05-31 | 无锡透平叶片有限公司 | For the grip device of turbine blade root bottom surface Milling Process |
| CN106736700B (en) * | 2016-12-29 | 2018-12-11 | 无锡透平叶片有限公司 | Grip device for turbine blade root bottom surface Milling Process |
| CN110315358A (en) * | 2019-06-21 | 2019-10-11 | 西安朋邦工贸有限公司 | A kind of low-pressure turbine guide vane clamping mechanism and clamping method |
| CN110315358B (en) * | 2019-06-21 | 2020-06-23 | 西安朋邦工贸有限公司 | Low-pressure turbine guide blade clamping mechanism and clamping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170829 Effective date of abandoning: 20181211 |
|
| AV01 | Patent right actively abandoned |