CN103921146B - A kind of fixture for the processing of finish forge blade tenon root - Google Patents
A kind of fixture for the processing of finish forge blade tenon root Download PDFInfo
- Publication number
- CN103921146B CN103921146B CN201410136834.5A CN201410136834A CN103921146B CN 103921146 B CN103921146 B CN 103921146B CN 201410136834 A CN201410136834 A CN 201410136834A CN 103921146 B CN103921146 B CN 103921146B
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- clamp body
- bulb
- blade
- compact heap
- substrate
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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)
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Abstract
The invention discloses a kind of fixture for the processing of finish forge blade tenon root, comprise substrate, clamp body, base three part, irregular curved surface location, by substrate and finish forge blade blade alignment by union, in the non-working position clamping of tenon root, and is converted to the plane positioning of rule by fixture.Fixture adopts clamp body and the detachable method that is located by connecting of base, after the complete blade tenon root one side of milling, blade tenon root is directly overturn 180 ° together with clamp body to be fixed on base, blade tenon root location can be ensured preferably and add the uniformity of benchmark in man-hour, make a numerical control programming complete the two-sided processing of tenon root; Improve machining accuracy, reduce Datum transfer, and due to dismounting, manpower spent by clamping and time.Clamp structure is simple, to blade clamping and positioning action convenience, can not cause damage, distortion when locating to blade surface.This fixture also can be used in the finish forge blade tenon root processing of other type, as steam turbine finish forge blade.
Description
Technical field
The invention belongs to blade of aviation engine processing technique field, specifically, relate to a kind of fixture for the processing of finish forge blade tenon root.
Background technology
Blade is as one of the vital part of aero-engine, and occupying critical role on the engine, have vital impact to the performance of aero-engine, is aero-engine " heart ".Blade is again use maximum class parts in aero-engine, and an aero-engine has thousands of blades, and wherein forging blade accounts for more than 80%; The output of blade forging is considerable in forging industry.
The mode of a new generation's blade of aviation engine many employings precision forging, wherein blade profile is ensured by die forging, and formed precision is high, no longer needs to carry out machining.And the tenon root of finish forge blade and intake and exhaust limit, be limited to FMT problem, wherein, because blade intake and exhaust edge changes greatly, allowance skewness and sensitivity is had to aerodynamic configuration, die forging is only slightly shaping, leaves machine-finish allowance, also needs to process further according in type blade profile.In the processing of tenon root, not only to ensure the stability of accuracy and the clamping of locating, also need the distortion controlling the blade blade profile caused in clamping and the processing of tenon root.Blade of aviation engine belongs to thin-wall part, easily deforms time stressed, and blade profile belongs to Space Free-Form Surface, and this brings difficulty all to the clamping of the frock clamp of processing tenon root and location.
In actual production, the traditional processing mode of blade tenon root is the mode adopting low-temperature alloy to contain clamp tool.This mode registration, uniform force, clamping is stable; But low-temperature alloy used is toxic, and fixture fabrication cycle is long, and working (machining) efficiency is low, and production cost is high, seriously constrains blade and carries out producing in enormous quantities, efficiently.The fixture that a kind of resin compresses Surface NC Machining finish forge blade tenon root is disclosed in patent of invention 201210102689.X.This fixture adopts blade location and clamping, and processing tenon Gen Shiyi makes blade be out of shape; And adopt two bonding jumpers when locating, cause location on the one hand, and need preprocessing to meet the bonding jumper of shape on the other hand.A kind of turbine hollow blade tenon root locating and machining clamping means and fixture is disclosed in patent of invention 200810232442.3.The method and fixture are when anchor point is selected, adopt and close criterion based on differential geometric clamp precision theory, location point-type, choose six anchor points on blade, but deposit problem both ways: one, for the such free form surface of blade profile, there is location in six independent positioning methods; Its two, need twice clamping for tenon root machined surface, twice blade profile six point location, resetting uniformity is poor.
Summary of the invention
In order to avoid prior art exist deficiency, overcome blade tenon root add exists man-hour locate and machined surface need twice clamping, the problem that resetting uniformity is poor; The present invention proposes a kind of fixture for the processing of finish forge blade tenon root, this fixture is by upper surface of base plate and finish forge blade blade alignment by union, in the non-working position place clamping of tenon root, and irregular curved surface location is converted to the plane positioning of rule, make a numerical control programming complete the two-sided processing of tenon root.
The technical solution adopted for the present invention to solve the technical problems is: comprise substrate, clamp body, base, pressing plate, pretension block, clam member, the first bend pipe alignment pin, the first bulb compact heap, the second bulb compact heap, finish forge blade, the 3rd bulb compact heap, the 4th bulb compact heap, the second bend pipe alignment pin, the 5th bulb compact heap, the first bulb alignment pin, the second bulb alignment pin, the 3rd bulb alignment pin, the first brace, the second brace, the 3rd brace, base is fixedly mounted on platen; Clamp body is positioned at the rectangular recess of base, groove both ends open, clamp body side and base groove medial surface interference fit; Substrate is positioned at above clamp body, and substrate and clamp body are connected by bolt and three braces, and the first brace and the second brace lay respectively on substrate both sides and clamp body two side frame boss, and the 3rd brace is positioned on substrate one end and clamp body one end frame boss; Pressing plate is positioned at above substrate, and two ends are connected by bolt and base, realizes whole clamp body and compresses with fixing;
Five bulb alignment pins are separately fixed at the another side of substrate, 3rd bulb alignment pin is positioned on substrate axis, first bulb alignment pin and the second bulb alignment pin are equidistant with the 3rd bulb alignment pin is respectively fixed on both sides, substrate axis, and the first bend pipe alignment pin and the second bend pipe alignment pin are fixed on substrate one end;
Five bulb compact heaps are connected on clamp body by screw thread, first bulb compact heap and the 5th bulb compact heap lay respectively on the frame of clamp body both sides, in same vertical plane height arranged in dislocation, second bulb compact heap and the 4th bulb compact heap lay respectively on the frame of clamp body both sides, near clamp body one end frame, second bulb compact heap and the 4th bulb compact heap are in same vertical plane height arranged in dislocation, 3rd bulb compact heap is arranged on clamp body one end frame, pretension block and clam member one end are connected, the clam member other end is fixed on clamp body one side frame,
Described clamp body and base are detachable being located by connecting, after milling complete finish forge blade tenon root one side,
Clamp body is directly overturn 180 ° together with the black box of finish forge blade to be fixed on base, is located at base by clamp body, makes the two sides processing that one time numerical control programming completes tenon root.
The axis of substrate, clamp body, base is on same vertical plane.
Beneficial effect
A kind of fixture for the processing of finish forge blade tenon root that the present invention proposes, this fixture is by upper surface of base plate and finish forge blade blade alignment by union, in the non-working position place clamping of tenon root, and irregular curved surface location is converted to the plane positioning of rule, make the two sides processing that one time numerical control programming completes tenon root.Meanwhile, need to carry out Milling Process to tenon root process area before carrying out clamping to blade, what mill out when technique facet ensures clamping is stable and reliable.
Fixture of the present invention adopts clamp body and the detachable method that is located by connecting of base, after the complete blade tenon root one side of milling, blade tenon root is directly overturn 180 ° together with clamp body to be arranged on base, its uniformity of benchmark that can ensure finish forge blade tenon root location preferably and add man-hour, improve machining accuracy, reduce Datum transfer, and due to the expense of dismounting, time spent by clamping, man power and material.Owing to ensure that the position of tenon root type face and blade profile and the uniformity of shape after blade location and clamping, and two machined surfaces of tenon root can be made to share a nc program.Clamp structure is simple, to blade clamping and positioning action convenience, can not cause damage, distortion when locating to blade surface.
The finish forge blade tenon root clamp for machining that the present invention proposes, not only can be applicable to the processing of the finish forge blade tenon root of aero-engine, also can be used in the finish forge blade tenon root processing of other type, such as steam turbine finish forge blade.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, a kind of fixture for the processing of finish forge blade tenon root of the present invention is described in further detail.
Fig. 1 is the fixture schematic diagram that the present invention processes for finish forge blade tenon root.
Fig. 2 is the schematic diagram after fixture of the present invention upset.
Fig. 3 is finish forge blade location and clamping position schematic diagram.
Fig. 4 is the schematic diagram after the conversion of finish forge blade location.
Fig. 5 is clamp body schematic diagram of the present invention.
Fig. 6 is understructure schematic diagram of the present invention.
In figure:
1. substrate 2. clamp body 3. base 4. dial gauge 5. hex nut 6. pressing plate 7. pretension block 8. clam member 9. first bend pipe alignment pin 10. first bulb compact heap 11. second bulb compact heap 12. finish forge blade 13. the 3rd bulb compact heap 14. the 4th bulb compact heap 15. second bend pipe alignment pin 16. the 5th bulb compact heap 17. first bulb alignment pin 18. second bulb alignment pin 19. the 3rd bulb alignment pin 20. first brace 21. second brace 22. the 3rd brace
Detailed description of the invention
The present embodiment is a kind of fixture for the processing of finish forge blade tenon root.
Consult Fig. 1 ~ Fig. 6, the present embodiment is used for the fixture of finish forge blade tenon root processing, by substrate 1, clamp body 2, base 3, hex nut 5, pressing plate 6, pretension block 7, clam member 8, first bend pipe alignment pin 9, first bulb compact heap 10, second bulb compact heap 11, 3rd bulb compact heap 13, 4th bulb compact heap 14, second bend pipe alignment pin 15, 5th bulb compact heap 16, first bulb alignment pin 17, second bulb alignment pin 18, 3rd bulb alignment pin 19, first brace 20, second brace 21, 3rd brace 22 and finish forge blade 12, dial gauge 4 forms, needed to carry out milling to tenon root process area before carrying out clamping to finish forge blade, mill out reliability during technique facet guarantee clamping.The base 3 of fixture is mounted by means of bolts on platen; Clamp body 2 is fixed on base 3 above in rectangular recess, groove both ends open, and it is that the rule of two planes is located that clamp body 2 contacts with base 3, clamp body 2 side and base 3 groove medial surface interference fit.Substrate 1 is arranged on above clamp body 2, substrate 1 is fixedly connected with three braces by bolt with clamp body 2, first brace 20 and the second brace 21 are arranged on substrate 1 both sides and clamp body 2 liang of side frame boss respectively by bolt, and the 3rd brace 22 is fixed on substrate 1 one end and clamp body 2 one end frame boss; Pressing plate 6 is arranged on above substrate 1, and the 3 liang of side frames in pressing plate 6 two ends and base to be coordinated with hex nut 5 by bolt and are fixedly connected with, and realize whole clamp body 2 and compress with fixing.Substrate 1 is fixed with five bulb alignment pins above respectively, wherein, 3rd bulb alignment pin 19 is positioned on substrate 1 axis, realize to the location first bulb alignment pin 17 of finish forge blade tip and the second bulb alignment pin 18 respectively with the 3rd equidistant both sides being fixed on axis of bulb alignment pin 19, realize the location to finish forge blade blade; First bend pipe alignment pin 9 and second fixing one end on substrate 1 of bend pipe alignment pin 15, realizes the location to finish forge blades installation plate.
Five bulb compact heaps are fixed on clamp body 2 by screw thread, first bulb compact heap 10 and the 5th bulb compact heap 16 are arranged on the frame of clamp body 2 both sides respectively, and the first bulb compact heap 10 and the 5th bulb compact heap 16 are in same vertical plane height arranged in dislocation; Second bulb compact heap 11 and the 4th bulb compact heap 14 lay respectively on the frame of clamp body 2 both sides, and near clamp body 2 one end frame, the second bulb compact heap 11 and the 4th bulb compact heap 14 are in same vertical plane height arranged in dislocation; 3rd bulb compact heap 13 is fixedly mounted on clamp body 2 one end frame, pretension block 7 is connected on clamp body by clam member 8, pretension block 7 and clam member 8 one end are connected, clam member 8 other end is arranged on clamp body 2 one side frame by bolt, and during to ensure clamping, the relative position of finish forge blade 12 in clamp body 2 does not change.Dial gauge 4 is fixed on dismountable fastening little pressing plate one end, and the fastening little pressing plate other end is arranged on clamp body 2 one side frame by bolt, by dial gauge 4 measure finish forge blade 12 clamp before and after situation of change, what judge finish forge blade 12 is positioned with without the changing of the relative positions; If the amount of jumping exceeds variance thresholds, need again to place finish forge blade 12 and clamp, to ensure its positioning precision, dismounting dial gauge 4 after finish forge blade 12 position fixes.
After the one side Milling Process of finish forge blade 12 tenon root completes, unclamp the hex nut 5 on connecting bolt, dismounting pressing plate 6, finish forge blade 12 and clamp body 2 integrated overturn 180 ° are fixedly mounted on the base 3, dress increased pressure board 6 is fixed by bolt and hex nut 5 cooperation, realize location to finish forge blade 12, ensure finish forge blade tenon root location and add the uniformity of benchmark in man-hour.Locate due to finish forge blade 12 and ensure that the position of tenon root type face and blade profile and the uniformity of shape after clamping, making two machined surfaces of tenon root share a nc program.
The present invention is used for the fixture of finish forge blade tenon root processing, not only can be applicable to the finish forge blade tenon root Milling Process of aero-engine, also can be used in the finish forge blade tenon root processing of other type, as steam turbine finish forge blade.
Claims (2)
1. the fixture for the processing of finish forge blade tenon root, it is characterized in that: comprise substrate, clamp body, base, pressing plate, pretension block, clam member, the first bend pipe alignment pin, the first bulb compact heap, the second bulb compact heap, the 3rd bulb compact heap, the 4th bulb compact heap, the second bend pipe alignment pin, the 5th bulb compact heap, the first bulb alignment pin, the second bulb alignment pin, the 3rd bulb alignment pin, the first brace, the second brace, the 3rd brace, base is fixedly mounted on platen; Clamp body is positioned at the rectangular recess of base, groove both ends open, clamp body side and base groove medial surface interference fit; Substrate is positioned at above clamp body, and substrate and clamp body are connected by bolt and three braces, and the first brace and the second brace lay respectively on substrate both sides and clamp body two side frame boss, and the 3rd brace is positioned on substrate one end and clamp body one end frame boss; Pressing plate is positioned at above substrate, and two ends are connected by bolt and base, realizes whole clamp body and compresses with fixing;
Five bulb alignment pins are separately fixed at the another side of substrate, 3rd bulb alignment pin is positioned on substrate axis, first bulb alignment pin and the second bulb alignment pin are equidistant with the 3rd bulb alignment pin is respectively fixed on both sides, substrate axis, and the first bend pipe alignment pin and the second bend pipe alignment pin are fixed on substrate one end;
Five bulb compact heaps are connected on clamp body by screw thread, first bulb compact heap and the 5th bulb compact heap lay respectively on the frame of clamp body both sides, in same vertical plane height arranged in dislocation, second bulb compact heap and the 4th bulb compact heap lay respectively on the frame of clamp body both sides, near clamp body one end frame, second bulb compact heap and the 4th bulb compact heap are in same vertical plane height arranged in dislocation, 3rd bulb compact heap is arranged on clamp body one end frame, pretension block and clam member one end are connected, the clam member other end is fixed on clamp body one side frame,
Described clamp body and base are detachable being located by connecting, after milling complete finish forge blade tenon root one side, clamp body is directly overturn 180 ° together with the black box of finish forge blade to be fixed on base, is located at base by clamp body, makes the two sides processing that one time numerical control programming completes tenon root.
2. the fixture for the processing of finish forge blade tenon root according to claim 1, is characterized in that: the axis of substrate, clamp body, base is on same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136834.5A CN103921146B (en) | 2014-04-04 | 2014-04-04 | A kind of fixture for the processing of finish forge blade tenon root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136834.5A CN103921146B (en) | 2014-04-04 | 2014-04-04 | A kind of fixture for the processing of finish forge blade tenon root |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103921146A CN103921146A (en) | 2014-07-16 |
| CN103921146B true CN103921146B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410136834.5A Expired - Fee Related CN103921146B (en) | 2014-04-04 | 2014-04-04 | A kind of fixture for the processing of finish forge blade tenon root |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149054B (en) * | 2014-08-08 | 2016-09-21 | 明泰信科精密仪器科技（苏州）有限公司 | A kind of fixing device based on Internal hole positioning and application thereof |
| CN105345512B (en) * | 2015-09-29 | 2017-09-22 | 广东长盈精密技术有限公司 | Fixture |
| CN107790793B (en) * | 2017-09-28 | 2019-07-12 | 中国航发动力股份有限公司 | A kind of aviation precision forged blade self-adapting type milling method |
| CN107553173B (en) * | 2017-10-20 | 2019-06-21 | 西北工业大学 | A kind of special fixture for the processing of blade of aviation engine tenon root |
| CN109014354A (en) * | 2018-07-25 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A method of processing rivet heads of turbine blades on milling machine |
| CN109623413A (en) * | 2018-12-21 | 2019-04-16 | 合肥南方汽车零部件有限公司 | A kind of combination drilling tool and equipment applied to air chamber support |
| CN110315359B (en) * | 2019-06-21 | 2020-06-23 | 西安朋邦工贸有限公司 | Low-pressure turbine guide blade tool structure and adjusting method |
| CN110936201B (en) * | 2019-12-17 | 2021-02-19 | 中国航发动力股份有限公司 | Tool for machining precision-forged blade and using method thereof |
| CN110977533B (en) * | 2019-12-18 | 2024-07-16 | 中国长江动力集团有限公司 | Turbine moving blade root circular arc adds clamping apparatus |
| CN114227534B (en) * | 2021-09-29 | 2023-04-25 | 中国航发动力股份有限公司 | Positioning device for grinding and use method |
| CN115570395B (en) * | 2022-11-11 | 2023-03-14 | 山东豪迈机械制造有限公司 | Single-tenon blade machining device and machining method |
| CN116604374B (en) * | 2023-07-20 | 2023-09-15 | 沈阳强航时代精密科技有限公司 | Clamp for positioning and compacting turbine guide blade of aero-engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2458738A (en) * | 2008-04-04 | 2009-10-07 | Heller Machine Tools Ltd | Holding device for non planar work piece |
| 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 |
| DE102009048913A1 (en) * | 2009-10-10 | 2011-04-14 | Mtu Aero Engines Gmbh | Receiving device for receiving gas turbine blade, has base body provided with laying elements, and strain gauges assigned to laying elements, where gas turbine component is arranged on laying elements |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2459878B (en) * | 2008-05-09 | 2010-12-29 | Rolls Royce Plc | Clamping system |
-
2014
- 2014-04-04 CN CN201410136834.5A patent/CN103921146B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2458738A (en) * | 2008-04-04 | 2009-10-07 | Heller Machine Tools Ltd | Holding device for non planar work piece |
| DE102009048913A1 (en) * | 2009-10-10 | 2011-04-14 | Mtu Aero Engines Gmbh | Receiving device for receiving gas turbine blade, has base body provided with laying elements, and strain gauges assigned to laying elements, where gas turbine component is arranged on laying elements |
| 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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| CN103921146A (en) | 2014-07-16 |
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