CN201659438U - Milling tooling of blade root grooves of turbine blades - Google Patents
Milling tooling of blade root grooves of turbine blades Download PDFInfo
- Publication number
- CN201659438U CN201659438U CN2009202660068U CN200920266006U CN201659438U CN 201659438 U CN201659438 U CN 201659438U CN 2009202660068 U CN2009202660068 U CN 2009202660068U CN 200920266006 U CN200920266006 U CN 200920266006U CN 201659438 U CN201659438 U CN 201659438U
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- CN
- China
- Prior art keywords
- milling
- blade root
- blades
- latch segment
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a milling tooling of blade root grooves of turbine blades. A main body is a frame-shaped bracket. The milling tooling of the blade root grooves of the turbine blades is characterized in that a lower frame of the bracket is fixed with a padding block; and an upper frame is provided with a plurality of pressing mechanisms which are distributed at equal distance. When in milling, the plurality of blades are placed on the padding block of the bracket; one surfaces to be milled of the blades are upward, pressed by the above pressing mechanisms, and placed on an operating platform, and the milling of the blade root grooves at one surface of the blade can be finished by one-step cutting of a milling cutter; then the operating platform of the milling tool is lifted till the milling cutter is positioned below the blades; and then the milling of the blade root grooves of the other surfaces of the blades can be finished by one-step cutting of the milling cutter. Therefore, the two-step cutting of the milling cutter can finish the processing of the blade root grooves of the plurality of blades, the speed is fast and the efficiency is high.
Description
Technical field
The utility model relates to a kind of frock, but the frock of a plurality of turbine blade blade root slots of particularly a kind of once milling.
Background technology
Turbine blade is interior conversion of air-flow function and the strength member that changes airflow direction realized of the gas channel of turbine, and it forms leaf grating with annular arrangement in gas channel.Blade need mill blade root slot in process, traditional processing method adopts blade is clamped on the workbench of milling machine, mills out the wherein groove of one side of blade root, turns to clamp again and mills another side, adopts the speed of this method processing slow, and production efficiency is low.
The utility model content
The technical problems to be solved in the utility model provides a kind of turbine blade blade root milling tool, can once mill out the blade root slot of a plurality of blades, the efficient height.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of turbine blade blade root slot milling tool, main body is a frame type support, it is characterized in that: be fixed with cushion block on the underframe of described support, upper frame is provided with several hold-down mechanisms that equidistantly distributes.
Further, described hold-down mechanism is made up of clamping screw, latch segment, locking nut, spring, guide pillar and briquetting, clamping screw is fixed on the upper frame surface, the latch segment that the center has through hole is enclosed within on the clamping screw, locking nut and spring are separately positioned on the clamping screw of latch segment upper and lower sides, briquetting is located at the below of upper frame, and the guide pillar by two ends is connected with latch segment.
Advantage of the present utility model is: during milling, the multi-disc blade is placed on the cushion block of support, treat that one of milling faces up, after hold-down mechanism by the top compresses, be placed on the workbench of milling machine, can finish the blade root slot milling of blade one side by the one-pass of milling cutter, the milling machine table that rises again is in the below of blade until milling cutter, can finish the blade root slot milling of blade another side then by the one-pass of milling cutter, like this, twice feed of milling cutter can be finished the processing of multi-disc blade root groove, and speed is fast, the efficient height.
Description of drawings
Accompanying drawing is the structural representation of turbine blade blade root slot milling tool of the present utility model.
The specific embodiment
As shown in the figure, the utility model relates to a kind of milling tool of turbine blade blade root slot, comprises support 1, cushion block 9, hold-down mechanism 2, and hold-down mechanism 2 comprises clamping screw 3, latch segment 4, locking nut 5, spring 6, guide pillar 7 and briquetting 8.
Above-mentioned support 1 is a frame-type, line is cut into after adopting integral cast, on the underframe of support 1, be fixed with rectangle cushion block 9, upper frame is provided with several hold-down mechanisms 2 that is used to compress blade, this hold-down mechanism 2 is and equidistantly distributes, it is by clamping screw 3, latch segment 4, locking nut 5, spring 6, guide pillar 7 and briquetting 8 are formed, concrete structure is: clamping screw 3 is fixed on the upper frame surface of support 1, the latch segment 4 that the center has through hole is enclosed within on the clamping screw 3, briquetting 8 is located under the upper frame, its guide pillar 7 that passes upper frame by two ends is fixedlyed connected with latch segment 4, on clamping screw 3, be connected with the locking nut 5 that compresses latch segment 4, be with spring 6 on the clamping screw 3 between latch segment 4 and the upper frame.
During use, the multi-disc blade is placed on the cushion block 9, rotates the locking nut 5 of each hold-down mechanism 2 respectively, make latch segment 4 descend, drive the briquetting 8 that is connected with latch segment 4 and descend, thereby compress blade.When needs unclamped briquetting 8, counter-rotating locking nut 5, the latch segment 4 thereunder effect of spring 6 rose down, drove briquetting 8 risings and unclamped.
Claims (2)
1. turbine blade blade root slot milling tool, main body is a frame type support, it is characterized in that: be fixed with cushion block on the underframe of described support, upper frame is provided with several hold-down mechanisms that equidistantly distributes.
2. turbine blade blade root slot milling tool according to claim 1, it is characterized in that: described hold-down mechanism is made up of clamping screw, latch segment, locking nut, spring, guide pillar and briquetting, clamping screw is fixed on the upper frame surface, the latch segment that the center has through hole is enclosed within on the clamping screw, locking nut and spring are separately positioned on the clamping screw of latch segment upper and lower sides, briquetting is located at the below of upper frame, and the guide pillar by two ends is connected with latch segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202660068U CN201659438U (en) | 2009-11-03 | 2009-11-03 | Milling tooling of blade root grooves of turbine blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202660068U CN201659438U (en) | 2009-11-03 | 2009-11-03 | Milling tooling of blade root grooves of turbine blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659438U true CN201659438U (en) | 2010-12-01 |
Family
ID=43229849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202660068U Expired - Fee Related CN201659438U (en) | 2009-11-03 | 2009-11-03 | Milling tooling of blade root grooves of turbine blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659438U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179552A (en) * | 2011-04-07 | 2011-09-14 | 无锡透平叶片有限公司 | Method and special fixture for improving processed surface toughness of poppet root |
| CN103802021A (en) * | 2013-11-29 | 2014-05-21 | 贵州西南工具(集团)有限公司 | Method for clamping and fixing swing type blade and fixing device of swing type blade |
| CN104615081A (en) * | 2014-12-25 | 2015-05-13 | 哈尔滨汽轮机厂有限责任公司 | Twice centering alignment method for combustion press unit wheel disc blade root grooves |
-
2009
- 2009-11-03 CN CN2009202660068U patent/CN201659438U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179552A (en) * | 2011-04-07 | 2011-09-14 | 无锡透平叶片有限公司 | Method and special fixture for improving processed surface toughness of poppet root |
| CN102179552B (en) * | 2011-04-07 | 2013-05-15 | 无锡透平叶片有限公司 | Method and special fixture for improving processed surface toughness of poppet root |
| CN103802021A (en) * | 2013-11-29 | 2014-05-21 | 贵州西南工具(集团)有限公司 | Method for clamping and fixing swing type blade and fixing device of swing type blade |
| CN103802021B (en) * | 2013-11-29 | 2017-06-20 | 贵州西南工具(集团)有限公司 | Method and its fixing device that a kind of oscillating blade clamping is fixed |
| CN104615081A (en) * | 2014-12-25 | 2015-05-13 | 哈尔滨汽轮机厂有限责任公司 | Twice centering alignment method for combustion press unit wheel disc blade root grooves |
| CN104615081B (en) * | 2014-12-25 | 2017-05-17 | 哈尔滨汽轮机厂有限责任公司 | Twice centering alignment method for combustion press unit wheel disc blade root grooves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20111103 |