CN208644718U - It is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line - Google Patents
It is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line Download PDFInfo
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- CN208644718U CN208644718U CN201821148408.3U CN201821148408U CN208644718U CN 208644718 U CN208644718 U CN 208644718U CN 201821148408 U CN201821148408 U CN 201821148408U CN 208644718 U CN208644718 U CN 208644718U
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- terminal pad
- blade
- fixture
- head screw
- hexagon socket
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Abstract
It is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is related to a kind of turbine blade fixture, the utility model will solve in processing fir-tree root tined paddle, and different lathe different products need different fixtures to meet production requirement, cause fixture is various to increase manufacturing cost problem.The utility model terminal pad produces and processes numerically-controlled machine tool according to selecting, designs the length and height of the terminal pad of suitable dimension size.In connection, disk center designs connecting hole.It is connect by slotted cheese head screw with terminal pad according to the position size Design Orientation connecting mandrel size (the mandrel other end and terminal pad are cooperatively connected) and locating piece, that is, flat key, flat key of different lathe centers connecting hole.Finally design U-lag is fixedly connected by bolt and lathe.The utility model is applied to turbine Blade Machining field.
Description
Technical field
The utility model relates to a kind of turbine blade fixtures.
Background technique
In turbine blade, fir-tree root tined paddle is widely used.Fir-tree root tined paddle is short to
100mm, 200mm grow to 1400mm etc..It is processed to guarantee that the processing of matching requirements blade is clamped with fir-tree type tooth shape locating.
Workshop numerically-controlled machine tool type is different, and different lathe different products need different fixtures to meet production requirement.Lead to fixture
It is various to increase manufacturing cost.
Utility model content
The design of the utility model fixture improves, and solves in processing fir-tree root tined paddle, different lathe differences produce
Product need different fixtures to meet production requirement, cause fixture is various to increase manufacturing cost problem.
The utility model it is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it includes terminal pad, interior hexagonal
Fillister head screw one, clamping seats, mandrel, hexagon socket cap head screw two, positioning seat, hexagon socket cap head screw three, tooth form pressure
Tight block, hexagon socket cap head screw four, tooth shape locating block, straight pin, flat key, slotted cheese head screw, interior hexagonal cylindrical head spiral shell
Nail five, hexagon socket cap head screw six and handle；
The tooth shape locating block is installed in terminal pad by multiple hexagon socket cap head screws four and multiple straight pins
Surface；The threaded hole that multiple hexagon socket cap head screws five are opened up with the both ends of tooth shape locating block and tooth form compact heap respectively respectively
It is threadedly coupled, will both be connected to together, and formed turbine blade between tooth shape locating block and tooth form compact heap and put
Set region；
Clamping seats and positioning seat are respectively arranged at turbine blade two sides, and contact respectively with turbine blade；
Clamping seats are placed in the groove of terminal pad left end setting, and are fixed on terminal pad by hexagon socket cap head screw one
Upper surface, and hexagon socket cap head screw six is threadedly coupled with the threaded hole of clamping seats side；Positioning seat is placed in terminal pad
In the groove of right end setting, and terminal pad upper surface is fixed on by hexagon socket cap head screw three；
Connecting hole is opened among terminal pad, mandrel is placed in connecting hole, and passes through hexagon socket cap head screw two for core
Axis is fixed in terminal pad；
Plate edge is circumferentially arranged multiple U-lags for connection, and flat key is fixed on U-lag by slotted cheese head screw；
Handle is mounted on tooth form compact heap side wall.
The utility model fixture is positioned with carrying on the back tooth form and lagging edge, the mode of internal tooth form and leading edge clamping.Terminal pad is adopted
It can be located by connecting from different numerically-controlled machine tools with interchangeable positioning central spindle, realize fixture General design, greatly save manufacture
Cost.Fixture, which carries out positioning clamping with blade root tooth form, simultaneously ensure that clamping stability.
The design generalization of the utility model fixture is strong, can be attached with sizes numerically-controlled machine tool and (pass through change
Connecting mandrel size).Meet the processing save the cost of forward and reverse blade steam passage simultaneously.It is clamped, is increased with tooth shape locating simultaneously
The precision and chuck strength of fixture.It ensure that the processing quality of product, reduce rejection rate.
Detailed description of the invention
Fig. 1 is utility model device structural schematic diagram；
Fig. 2 is utility model device cross-sectional view；
Fig. 3 is utility model device side view.
Specific embodiment
Specific embodiment 1: illustrating present embodiment in conjunction with Fig. 1 to 3, one kind of present embodiment is for processing steamer
The fixture of machine blade steam passage, it includes terminal pad 1, hexagon socket cap head screw 1, clamping seats 3, mandrel 4, interior hexagonal circle
Chapiter screw 25, positioning seat 6, hexagon socket cap head screw 37, tooth form compact heap 8, hexagon socket cap head screw 49, tooth form
Locating piece 10, straight pin 11, flat key 12, slotted cheese head screw 13, hexagon socket cap head screw 5 14, interior hexagonal cylindrical head spiral shell
Follow closely 6 15 and handle 16；
The tooth shape locating block 10 is installed on connection by multiple hexagon socket cap head screws 49 and multiple straight pins 11
1 upper surface of disk；Multiple hexagon socket cap head screws 5 14 are opened with the both ends of tooth shape locating block 10 and tooth form compact heap 8 respectively respectively
If threaded hole be threadedly coupled, will both be connected to together, and formed between tooth shape locating block 10 and tooth form compact heap 8
18 placement region of turbine blade；
Clamping seats 3 and positioning seat 6 are respectively arranged at 18 two sides of turbine blade, and contact respectively with turbine blade 18；
Clamping seats 3 are placed in the groove of 1 left end of terminal pad setting, and are fixed on company by hexagon socket cap head screw 1
1 upper surface of disk is connect, and hexagon socket cap head screw 6 15 is threadedly coupled with the threaded hole of 3 side of clamping seats；Positioning seat 6 is set
In in the groove of 1 right end of terminal pad setting, and 1 upper surface of terminal pad is fixed on by hexagon socket cap head screw 37；
Connecting hole 19 is opened among terminal pad 1, mandrel 4 is placed in connecting hole 19, and passes through hexagon socket cap head screw
25 are fixed on mandrel 4 in terminal pad 1；
1 edge of terminal pad is circumferentially arranged multiple U-lags 17, and flat key 12 is fixed on U by slotted cheese head screw 13
On shape slot 17；
Handle 16 is mounted on 8 side wall of tooth form compact heap.
Specific embodiment 2: illustrating present embodiment in conjunction with Fig. 1 to 3, present embodiment and specific embodiment one are not
Be with point: terminal pad 1 is disc-shaped structure.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 3: illustrating present embodiment in conjunction with Fig. 1 to 3, present embodiment and specific embodiment one are not
Be with point: mandrel 4 is boss shape structure, and 4 upper end of mandrel is placed in connecting hole 19.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 4: illustrating present embodiment in conjunction with Fig. 1 to 3, present embodiment and specific embodiment one are not
Be with putting: turbine blade 18 is placed in tooth shape locating block 10, tooth form compact heap 8 and hexagon socket cap head screw 5 14 and is formed
Region in.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 5: illustrating present embodiment in conjunction with Fig. 1 to 3, present embodiment and specific embodiment one are not
Be with point: clamping seats 3 are placed in the rectangular recess of 1 left end of terminal pad setting.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 6: illustrating present embodiment in conjunction with Fig. 1 to 3, present embodiment and specific embodiment one are not
Be with point: positioning seat 6 is placed in the rectangular recess of 1 right end of terminal pad setting
Other compositions and connection type are same as the specific embodiment one.
The utility model fixture mentality of designing is as follows:
Terminal pad 1 is designed first, is produced and processed numerically-controlled machine tool according to selecting, is designed the length of the terminal pad of suitable dimension size
Degree and height.In connection, disk center designs connecting hole.It is connected according to the position size Design Orientation of different lathe centers connecting hole
4 size of mandrel (the mandrel other end and terminal pad are cooperatively connected) and locating piece, that is, flat key 12, flat key 12 pass through fluting cylinder
Head screw 13 is connect with terminal pad 1.Finally design U-lag 17 is fixedly connected by bolt and lathe.
The design of clamping blade-section
According to processing location requirement, fixture, which is taken, carries on the back radial tooth shape locating, radial teeth in blade root with root lagging edge and blade root
Shape and blade root leading edge clamping mode.It is specific as follows, it should ensure that the center of blade to be processed is consistent with the center of fixture first.
Its structure size is closed according to the corresponding design tooth profile locating piece 10 of the outer dimension size of blade root and tooth form compact heap 8
Reason, guarantees that 4 hexagon socket cap head screws 5 14 can connect in the case where not interfering；Simultaneously vapour is passed in and out for blade root
The positioning on side is clamped there are sufficient space positioning seat 6 and clamping seats 3, and tooth shape locating block 10 is positioned and passes through interior hexagonal cylindrical head spiral shell
Follow closely 49 and straight pin 11 connect with terminal pad 1 complete tooth shape locating design.It is fixed in corresponding position design leading edge according to simulation
Position seat 6.The design of positioning seat 6 considers universal performance, the Design Orientation rectangle groove on 1 corresponding position of terminal pad.Positioning seat 6
It is stuck in the design for connecting by hexagon socket cap head screw 37 with terminal pad 1 in groove and completing lagging edge positioning.
Clamping part design
Main clamping device be tooth form compact heap 8 by 4 hexagon socket cap head screws 5 14 and part tooth shape locating block 10 into
Row connection clamp, in order to convenient disassembly on tooth form compact heap 8 mounting knob 16.In order to increase stability in blade root leading edge side
It is made of to Design assistant clamping device clamping seats 3 and hexagon socket cap head screw 6 15.Consider universal performance in 1 phase of terminal pad
Answering Position Design rectangle groove, (note: groove size is consistent with 6 installation groove of positioning seat；Position and 6 groove relative axle of positioning seat
Line is symmetrical).Clamping seats 3 are stuck in groove to be set by hexagon socket cap head screw 1 and the completion auxiliary clamping device of terminal pad 1
Meter.
Embodiment 1
A kind of operating method for processing the fixture of gas passageway of blade of steam turbine molded line of the present embodiment is as follows:
Fixture is connected on selected numerically-controlled machine tool first, blade to be processed is attached with fixture, guarantees blade
Blade root back tooth fitted closely with tooth shape locating block 10, while guaranteeing that blade root lagging edge and positioning seat 6 positioning side are close to.Tooth form pressure
Tight block 8 is tightly attached clamping by 4 hexagon socket cap head screws 5 14 and part tooth shape locating block 10 and completes blade to be processed
Master positioning clamp, screw the hexagon socket cap head screw 5 15 on clamping seats 3.Complete auxiliary clamp.Certainly finally by lathe
Body thimble holds out against the clamping that blade and blade bizet centre hole completes entire workpiece.
Claims (6)
1. a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is characterised in that it includes terminal pad (1), interior hexagonal circle
Chapiter screw one (2), clamping seats (3), mandrel (4), hexagon socket cap head screw two (5), positioning seat (6), interior hexagonal cylindrical head
Screw three (7), tooth form compact heap (8), hexagon socket cap head screw four (9), tooth shape locating block (10), straight pin (11), flat key
(12), slotted cheese head screw (13), hexagon socket cap head screw five (14), hexagon socket cap head screw six (15) and handle
(16)；
The tooth shape locating block (10) passes through multiple hexagon socket cap head screws four (9) and multiple straight pins (11) company of being installed on
Connect disk (1) upper surface；Multiple hexagon socket cap head screws five (14) respectively with tooth shape locating block (10) and tooth form compact heap (8)
The threaded hole that both ends open up respectively is threadedly coupled, and will both be connected to together, and in tooth shape locating block (10) and tooth form pressure
Turbine blade (18) placement region is formed between tight block (8)；
Clamping seats (3) and positioning seat (6) are respectively arranged at turbine blade (18) two sides, and connect respectively with turbine blade (18)
Touching；
Clamping seats (3) are placed in the groove of terminal pad (1) left end setting, and are fixed on by hexagon socket cap head screw one (2)
Terminal pad (1) upper surface, and hexagon socket cap head screw six (15) is threadedly coupled with the threaded hole of clamping seats (3) side；
Positioning seat (6) is placed in the groove of terminal pad (1) right end setting, and is fixed on connection by hexagon socket cap head screw three (7)
Disk (1) upper surface；
It has been opened connecting hole (19) among terminal pad (1), mandrel (4) is placed in connecting hole (19), and passes through interior hexagonal cylindrical head
Mandrel (4) is fixed on terminal pad (1) by screw two (5)；
Terminal pad (1) edge is circumferentially arranged to be had multiple U-lags (17), and flat key (12) is fixed by slotted cheese head screw (13)
On U-lag (17)；
Handle (16) is mounted on tooth form compact heap (8) side wall.
2. according to claim 1 a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is characterised in that connection
Disk (1) is disc-shaped structure.
3. according to claim 1 a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is characterised in that mandrel
It (4) is boss shape structure, mandrel (4) upper end is placed in connecting hole (19).
4. according to claim 1 a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is characterised in that steamer
Machine blade (18) is placed in tooth shape locating block (10), tooth form compact heap (8) and hexagon socket cap head screw five (14) and is formed by area
In domain.
5. according to claim 1 a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is characterised in that clamp
Seat (3) is placed in the rectangular recess of terminal pad (1) left end setting.
6. according to claim 1 a kind of for processing the fixture of gas passageway of blade of steam turbine molded line, it is characterised in that positioning
Seat (6) is placed in the rectangular recess of terminal pad (1) right end setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821148408.3U CN208644718U (en) | 2018-07-19 | 2018-07-19 | It is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821148408.3U CN208644718U (en) | 2018-07-19 | 2018-07-19 | It is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208644718U true CN208644718U (en) | 2019-03-26 |
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ID=65785126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821148408.3U Active CN208644718U (en) | 2018-07-19 | 2018-07-19 | It is a kind of for processing the fixture of gas passageway of blade of steam turbine molded line |
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| Country | Link |
|---|---|
| CN (1) | CN208644718U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986158A (en) * | 2019-04-10 | 2019-07-09 | 哈尔滨汽轮机厂有限责任公司 | The fixture of positive pressure backward vane in steam turbine |
| CN110883564A (en) * | 2019-12-18 | 2020-03-17 | 无锡透平叶片有限公司 | Lug clamp for rotary milling of turbine blade |
| CN112743364A (en) * | 2020-12-30 | 2021-05-04 | 德阳六合能源材料有限公司 | Clamp for machining steam turbine blade steam passage profile |
| CN113579803A (en) * | 2021-08-18 | 2021-11-02 | 哈尔滨汽轮机厂有限责任公司 | Special blade milling steam passage clamp for five-axis numerical control machine tool and machining method |
-
2018
- 2018-07-19 CN CN201821148408.3U patent/CN208644718U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986158A (en) * | 2019-04-10 | 2019-07-09 | 哈尔滨汽轮机厂有限责任公司 | The fixture of positive pressure backward vane in steam turbine |
| CN110883564A (en) * | 2019-12-18 | 2020-03-17 | 无锡透平叶片有限公司 | Lug clamp for rotary milling of turbine blade |
| CN112743364A (en) * | 2020-12-30 | 2021-05-04 | 德阳六合能源材料有限公司 | Clamp for machining steam turbine blade steam passage profile |
| CN113579803A (en) * | 2021-08-18 | 2021-11-02 | 哈尔滨汽轮机厂有限责任公司 | Special blade milling steam passage clamp for five-axis numerical control machine tool and machining method |
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