CN203557137U - Double-drive frame clamp for profile machining of moving blade of gas compressor - Google Patents
Double-drive frame clamp for profile machining of moving blade of gas compressor Download PDFInfo
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- CN203557137U CN203557137U CN201320724096.7U CN201320724096U CN203557137U CN 203557137 U CN203557137 U CN 203557137U CN 201320724096 U CN201320724096 U CN 201320724096U CN 203557137 U CN203557137 U CN 203557137U
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- blade
- blade root
- integral shroud
- mounting groove
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- 238000003754 machining Methods 0.000 title abstract description 15
- 238000003825 pressing Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 14
- 210000004534 cecum Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a double-drive frame clamp for profile machining of a moving blade of a gas compressor, and belongs to the technical field of machining of matched workpieces. The double-drive frame clamp for profile machining of the moving blade of the gas compressor comprises a blade root frame clamp and a blade crown frame clamp, wherein the blade root frame clamp is provided with a locating installing portion, a blade root installing groove and a blade root fixing assembly, and the blade crown frame clamp is provided with a locating installing portion, a blade crown installing groove and a blade crown fixing assembly. The double-drive frame clamp for profile machining of the moving blade of the gas compressor is reasonable in design and reliable in clamping, a single-drive clamping scheme that according to traditional profile machining, a blade root is clamped and a blade crown is tightly pressed can be replaced, the problems that in the process of profile machining, a product is machined along with a gas channel to form a finished product which is thinned, and deformation happens are effectively solved, machining accuracy is improved, and the percent of pass of products is increased.
Description
Technical field
The utility model relates to a kind of blade processing fixture, particularly a kind ofly for the two of compressor blade and blade profile processing, drives framework fixture, belongs to the supporting workpiece technical field of machining.
Background technology
Gas turbine has the plurality of advantages such as the flexibility, the friendly to resource environment of stability, the use of high efficiency, the operation of using energy source.Gas turbine blades is compared with common blade, and gas turbine blades requires more strict, and compressor is as one of important composition parts of gas turbine, and the mach measure of precision of calming the anger, has great significance to the normal operation that guarantees gas turbine.
In compressor blade and blade air flue molded line finish-milling process, blade root working face is that inclined-plane and area are very little, the weight on air flue and leaf top is large, traditional fixture is by apply a pressure at blade root end face, fully fitted in blade root inclined working and fixture inclined-plane, ensure enough thrust whole blade is supported, but because blade root intermediate has certain tolerance, cannot guarantee that intermediate lower plane and fixture can fit; Therefore just on blade root intermediate, plane is given a thrust, makes blade root intermediate lower plane and fixture fit tightly and realize blade clamping firm.Although firm workpiece pressure, in order not make deformable blade, the thrust of blade root end face can not have too large like this, the thrust that at this moment blade root inclined-plane is subject to is less than intermediate pressure from the top down; Meanwhile, because blade root working face is a back taper shape, when power from top to bottom decomposes on inclined-plane, at the blade root end face of making a concerted effort to refer to of blade axial direction, to make blade move to blade root end face direction, and mobile amount cannot determine, cause the clamping of blade in extension position to be difficult to stablize.In addition, integral shroud end is selected top location and the clamping that holds out against centre hole and realize integral shroud; Due to compressor blade and blade air flue very thin thickness, pressure will cause too greatly blade in process along with air flue is worked into finished product (attenuation) and be out of shape; Pressure is too little can cause milling again time, and workpiece is trembled and digs cutter, causes workpiece to be scrapped.
Therefore the accumulated error that, the installation way of conventional brace, clamp precision and blade tolerance etc. produce cannot meet product processing request.
Summary of the invention
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of two framework fixtures that drive for compressor blade and blade profile processing are provided, change the one-sided clamping, the integral shroud that in traditional compressor moving vane profile processing, adopt and adopt the top processing mode holding out against, provide a kind of two framework fixture that drives to come from blade root and integral shroud clamping simultaneously, machining accuracy during with raising compressor blade and blade profile processing, meets blade production engineering specifications.
The technical solution adopted in the utility model is as follows:
For the two of compressor blade and blade profile processing, drive a framework fixture, by blade root framework fixture and integral shroud framework fixture, formed; Described blade root framework clamp base is provided with location and installation portion, and top is provided with the blade root mounting groove of installing for blade root, and described blade root mounting groove position is provided with the blade root fixation kit fixing for blade root clamping; Described integral shroud framework clamp base is provided with location and installation portion, and top is provided with the integral shroud mounting groove of installing for integral shroud, and described integral shroud mounting groove position is provided with the integral shroud fixation kit fixing for integral shroud clamping.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, the shape of described blade root mounting groove and blade root is suitable, and be provided with blade root side-locating face, intermediate locating surface and blade root end face locating surface, described blade root side-locating face is arranged at the cecum face of blade root mounting groove length direction, described intermediate locating surface is arranged at the bottom surface of blade root mounting groove, and described blade root end face locating surface is arranged at the side of blade root mounting groove.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, described integral shroud mounting groove is square groove structure, and be provided with locating surface under integral shroud side-locating face and integral shroud, described integral shroud side-locating face is arranged at a side of integral shroud mounting groove, and under described integral shroud, locating surface is arranged at the bottom surface of integral shroud mounting groove.
Further, described blade root side-locating face and integral shroud side-locating face are positioned at the same side.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, described blade root fixation kit comprises blade root pressing plate and blade root side pressing plate, described blade root pressing plate is arranged at blade root mounting groove top by adjusting nut, and described blade root side pressing plate is arranged at the open sides end of blade root mounting groove by adjusting nut.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, described integral shroud fixation kit comprises that integral shroud pressing plate and integral shroud side hold out against screw, described integral shroud pressing plate is arranged at integral shroud mounting groove top by adjusting nut, and described integral shroud side holds out against screw and be arranged at the integral shroud mounting groove sidewall of integral shroud side-locating face offside.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, described location and installation portion comprises the installation positioning boss that is arranged at blade root framework fixture and integral shroud framework clamp base, described installation positioning boss position be provided with for the mounting nuts of lathe assembling.
Owing to having adopted technique scheme, in compressor blade and blade profile processing, blade root is held with blade root end face, blade root air inlet side and the three-point fix of blade root intermediate inner plane, the mode clamping that blade root intermediate tool back plane compresses; Integral shroud end is take technique head air inlet side, inner plane as benchmark, the mode clamping that technique head tool back plane compresses.For guaranteeing the position degree required precision of air flue molded line, blade root intermediate and blade root end face length machining accuracy are made an adjustment to raising simultaneously, while having met postorder fine finishining leaf top overall length, benchmark is changed the accumulated error causing, so neither can increase difficulty of processing and the working (machining) efficiency of blade root, also for the conversion of benchmark provides guarantee.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: describedly for compressor blade and blade profile processing two, drive that framework jig Design is reasonable, clamping is reliable, can substitute the clamping scheme of singly driving that adopts blade root clamping, integral shroud to hold out against in traditional profile processing, effectively avoid the problem of being out of shape along with air flue is worked into finished product (attenuation) in profile processing process, improved machining accuracy and product percent of pass.
Accompanying drawing explanation
Fig. 1 is two front view of framework fixture and installment state thereof that drives of the present utility model;
Fig. 2 is the top view of the utility model Fig. 1.
Mark in figure: 1-lathe gyroaxis I, 2-blade root framework fixture, 3-install locating surface, 16-integral shroud pressing plate, 17-integral shroud side under positioning boss, 4-blade root mounting groove, 5-blade root side-locating face, 6-intermediate locating surface, 7-blade root end face locating surface, 8-blade root pressing plate, 9-adjusting nut, 10-blade root side pressing plate, 11-lathe gyroaxis II, 12-integral shroud framework fixture, 13-integral shroud mounting groove, 14-integral shroud side-locating face, 15-integral shroud and hold out against screw, 18-blade.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, comprise the blade root framework fixture 2 and the integral shroud framework fixture 12 that can be used on the gyroaxis that is arranged on lathe, Fig. 1 and Fig. 2 have illustrated two drive framework fixture and be installed to lathe gyroaxis I 1, lathe gyroaxis II 11 and clamping the state after blade 18, blade root framework fixture 2 is installed in lathe gyroaxis I 1 by the location and installation portion of its bottom, described location and installation portion comprise the installation positioning boss 3 of bottom and be positioned at install positioning boss 3 mounting nuts, although do not express in detail, positioning boss 3 is installed in Fig. 1, the concrete structure of mounting nuts and position relationship, but known and common technical scheme for those skilled in the art, can't cause the puzzlement in understanding to the utility model.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, described blade root framework fixture 2 tops are provided with the blade root mounting groove 4 of installing for blade root, described blade root mounting groove 4 is suitable with the shape of blade root, and be provided with blade root side-locating face 5, intermediate locating surface 6 and blade root end face locating surface 7, described blade root side-locating face 5 is arranged on blade root mounting groove 4 cecum face along its length, described intermediate locating surface 6 is arranged at the bottom surface of blade root mounting groove, described blade root end face locating surface 7 is arranged at the side of blade root mounting groove 4, described blade root mounting groove 4 positions are provided with the blade root fixation kit fixing for blade root clamping, described blade root fixation kit comprises blade root pressing plate 8 and blade root side pressing plate 10, described blade root pressing plate 8 is arranged at blade root mounting groove 4 tops by adjusting nut 9, described blade root side pressing plate 10 is arranged at the open sides end of blade root mounting groove 4 by adjusting nut 9, as depicted in figs. 1 and 2.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, the top of described integral shroud framework fixture 12 is provided with the integral shroud mounting groove 13 of installing for integral shroud, described integral shroud mounting groove 13 is square groove structure, and be provided with locating surface 15 under integral shroud side-locating face 14 and integral shroud, described integral shroud side-locating face 14 is arranged at a side of integral shroud mounting groove 13, under described integral shroud, locating surface 15 is arranged at the bottom surface of integral shroud mounting groove 13, described integral shroud mounting groove 13 positions are provided with the integral shroud fixation kit fixing for integral shroud clamping, described integral shroud fixation kit bag integral shroud pressing plate 16 and integral shroud side hold out against screw 17, described integral shroud pressing plate 16 is arranged at integral shroud mounting groove 13 tops by adjusting nut 9, described integral shroud side holds out against screw 17 and is arranged at integral shroud mounting groove 13 sidewalls of integral shroud side-locating face 14 offsides, as depicted in figs. 1 and 2.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, when described blade root framework fixture 2 and integral shroud framework fixture 12 are installed in lathe gyroaxis I 1 and lathe gyroaxis II 11, blade root side-locating face 5 and integral shroud side-locating face 14 are positioned at the same side, to guarantee the accuracy of clamping location.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, machining blade is when clamping, first open the blade root pressing plate 8 of blade root framework fixture 2, after the integral shroud pressing plate 16 of integral shroud framework fixture 12, put into blade 18, the blade root end face locating surface 7 of blade root end face and blade root framework fixture 2 is fitted with hand push blade, with the adjusting nut 9 of blade root side pressing plate 10, compress blade root side pressing plate 10 again, side and the blade root side-locating face 5 of blade root are fitted, tightening integral shroud side holds out against screw 17 side of integral shroud and integral shroud side-locating face 14 is fitted again, complete location work, finally with torque wrench, tighten respectively the adjusting nut 9 of blade root pressing plate 8 and integral shroud pressing plate 16, locating surface 15 under the middle inner plane body of blade root and intermediate locating surface 6, integral shroud inner plane and integral shroud is fitted, complete the clamping of blade 18, finally with clearance gauge, detect each locating surface, clearance gauge does not enter, and blade clamping is qualified.
Two framework fixtures that drive for compressor blade and blade profile processing of the present utility model, reasonable in design, convenient mounting and clamping is reliable, can substitute the clamping scheme of singly driving that adopts blade root clamping to coordinate integral shroud to hold out against in traditional profile processing, effectively avoid the problem of being out of shape along with air flue is worked into finished product (attenuation) in profile processing process, improved machining accuracy and product percent of pass.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. for the two of compressor blade and blade profile processing, drive a framework fixture, it is characterized in that: by blade root framework fixture (2) and integral shroud framework fixture (12), formed; Described blade root framework fixture (2) bottom is provided with location and installation portion, and top is provided with the blade root mounting groove (4) of installing for blade root, and described blade root mounting groove (4) position is provided with the blade root fixation kit fixing for blade root clamping; Described integral shroud framework fixture (12) bottom is provided with location and installation portion, and top is provided with the integral shroud mounting groove (13) of installing for integral shroud, and described integral shroud mounting groove (13) position is provided with the integral shroud fixation kit fixing for integral shroud clamping.
2. the two framework fixtures that drive for compressor blade and blade profile processing as claimed in claim 1, it is characterized in that: described blade root mounting groove (4) is suitable with the shape of blade root, and be provided with blade root side-locating face (5), intermediate locating surface (6) and blade root end face locating surface (7), described blade root side-locating face (5) is arranged at the cecum face of blade root mounting groove (4) length direction, described intermediate locating surface (6) is arranged at the bottom surface of blade root mounting groove (4), and described blade root end face locating surface (7) is arranged at the side of blade root mounting groove (4).
3. the two framework fixtures that drive for compressor blade and blade profile processing as claimed in claim 2, it is characterized in that: described integral shroud mounting groove (13) is square groove structure, and be provided with locating surface (15) under integral shroud side-locating face (14) and integral shroud, described integral shroud side-locating face (14) is arranged at a side of integral shroud mounting groove (13), and locating surface under described integral shroud (15) is arranged at the bottom surface of integral shroud mounting groove (13).
4. as claimed in claim 3ly for the two of compressor blade and blade profile processing, drive framework fixture, it is characterized in that: described blade root side-locating face (5) and integral shroud side-locating face (14) are positioned at the same side.
5. the two framework fixtures that drive for compressor blade and blade profile processing as claimed in claim 1, it is characterized in that: described blade root fixation kit comprises blade root pressing plate (8) and blade root side pressing plate (10), described blade root pressing plate (8) is arranged at blade root mounting groove (4) top by adjusting nut (9), and described blade root side pressing plate (10) is arranged at the open sides end of blade root mounting groove (4) by adjusting nut (9).
6. the two framework fixtures that drive for compressor blade and blade profile processing as claimed in claim 1, it is characterized in that: described integral shroud fixation kit comprises that integral shroud pressing plate (16) and integral shroud side hold out against screw (17), described integral shroud pressing plate (16) is arranged at integral shroud mounting groove (13) top by adjusting nut (9), and described integral shroud side holds out against screw (17) and be arranged at integral shroud mounting groove (13) sidewall of integral shroud side-locating face (14) offside.
7. the two framework fixtures that drive for compressor blade and blade profile processing as described in claim 1 to 6 any one, it is characterized in that: described location and installation portion comprises the installation positioning boss (3) that is arranged at blade root framework fixture (2) and integral shroud framework fixture (12) bottom, described installation positioning boss (3) position be provided with for the mounting nuts of lathe assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724096.7U CN203557137U (en) | 2013-11-18 | 2013-11-18 | Double-drive frame clamp for profile machining of moving blade of gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724096.7U CN203557137U (en) | 2013-11-18 | 2013-11-18 | Double-drive frame clamp for profile machining of moving blade of gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203557137U true CN203557137U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320724096.7U Expired - Fee Related CN203557137U (en) | 2013-11-18 | 2013-11-18 | Double-drive frame clamp for profile machining of moving blade of gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203557137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513801A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Clamp for rotation milling machining of gas compressor blade profile |
| CN109514449A (en) * | 2018-11-15 | 2019-03-26 | 中国航发航空科技股份有限公司 | Blade annular sector side entry machining is general to exempt from debugging tool and its application method |
| CN110238675A (en) * | 2019-07-01 | 2019-09-17 | 哈尔滨汽轮机厂有限责任公司 | A kind of clamping device and the turbine Blade Machining method based on the device |
-
2013
- 2013-11-18 CN CN201320724096.7U patent/CN203557137U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513801A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Clamp for rotation milling machining of gas compressor blade profile |
| CN109514449A (en) * | 2018-11-15 | 2019-03-26 | 中国航发航空科技股份有限公司 | Blade annular sector side entry machining is general to exempt from debugging tool and its application method |
| CN110238675A (en) * | 2019-07-01 | 2019-09-17 | 哈尔滨汽轮机厂有限责任公司 | A kind of clamping device and the turbine Blade Machining method based on the device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 |