CN105252292A - Fixture for numerical control milling machining of blade profiles - Google Patents
Fixture for numerical control milling machining of blade profiles Download PDFInfo
- Publication number
- CN105252292A CN105252292A CN201510765217.6A CN201510765217A CN105252292A CN 105252292 A CN105252292 A CN 105252292A CN 201510765217 A CN201510765217 A CN 201510765217A CN 105252292 A CN105252292 A CN 105252292A
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- CN
- China
- Prior art keywords
- blade
- blade profile
- milling machining
- machining fixture
- locating shaft
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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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a fixture for numerical control milling machining of blade profiles. The fixture comprises two connecting discs that are arranged in parallel and oppositely and fixed on a numerical control milling machine tool, and two positioning shaft that are fixed on the two connecting discs at an interval in an axial direction, respectively, and are coaxial with each other with a clamping region formed therebetween; the end portions, far away from the corresponding connecting discs, of the two positioning shafts are elastic clamping portions, which are both provided with locking pieces for controlling elastic deformations thereof; an angular orientation block for angular orientation of a blade to be machined is arranged on at least one positioning shaft. The special clamping fixture is designed to position the blade to be machined on the numerical control milling machine tool so that the profile of the blade can be milled, and therefore, the problems of complex operations of manual polishing by an operator and high requirements on the skill level of the operator are reduced; additionally, the fixture is compact and reasonable in structure; the machining quality of the process is guaranteed and the production efficiency is also improved; furthermore, the problems of low yield and heavy resource waste due to traditional manual machining are avoided, and the production cost is saved.
Description
Technical field
The present invention relates to blade processing field, especially, relate to jig Design needed for aero-engine field entry guide vane assembly or compressor stator blade number Milling Machining blade profile.
Background technology
Entry guide vane assembly or compressor stator blade, in modern aeroengine production field, occupy very large ratio, and the profile of its blade also must be processed according to the parameter coordinate of specifying.
Existing blade profile processing is general adopts the rear hand-polished processing mode of first casting, and it exists following shortcoming:
(1), traditional processing technology adopt first made allowance to cast after the hand-polished mode of operator, because the surplus of casting is uncontrollable in foundry, therefore processing technology needs a point Simulation Based On Multi-step allow operator repeatedly go surplus by hand, makes operation numerous and diverse;
(2), the crudy of existing blade profile depends on experienced completely, and the polishing operation person that technical merit is high, requires very high to the level of skill of people, easily produce processing " bottleneck " problem;
(3), part quantity of demand in engine assembly is many, correspondingly needs a large amount of polishing operation persons, but in practical operation, and each operator can not 100% ensure process qualified parts.The strategy of current employing " quantity defeats quality ", causes the significant wastage of rapidoprint and resource.
Summary of the invention
The invention provides a kind of blade profile number Milling Machining fixture, process the technical problems such as the operation caused is numerous and diverse, manual manipulative techniques's level requirement is high and product qualified rate is low, operation resource waste is serious, working (machining) efficiency is low to solve existing blade profile.
The technical solution used in the present invention is as follows:
A kind of blade profile number Milling Machining fixture, for treating machining blade location with milling blade profile on several milling machine tool, this blade profile number Milling Machining fixture comprises:
Two terminal pads, two terminal pads are parallel to be oppositely arranged and to be fixed on several milling machine tool;
Two locating shafts, interval is individually fixed on two terminal pads vertically, and the coaxial and region between two locating shafts of two locating shafts forms the clamping zone of blade to be processed;
Two locating shafts are resilient clamp portion along the end away from the terminal pad of its correspondence and are equipped with the locking member for controlling its elastic deformation;
At least one locating shaft is provided with the angle block carrying out angle location for treating machining blade.
Further, angle block comprises the location division be connected with the periphery wall of locating shaft, location division connects the axially extended connecting portion along locating shaft, the end of connecting portion is provided with along perpendicular to locating shaft axially and the convex arc protuberance to locating shaft, and angle location is carried out in the end that arc protuberance treats machining blade.
Further, location division is connected on locating shaft through alignment pin and housing screw.
Further, resilient clamp portion is the structure of end circumferentially uniform openings.
Further, locating shaft adopts 9SiCr steel to make, and resilient clamp portion is heat-treated to metal skin hardness reaches HRC40 ~ 45.
Further, locking member is mounting nuts, and mounting nuts employing 40CrNiMoA conjunction knot steel is made and is heat-treated to metal skin hardness and reaches HRC40 ~ 45.
Further, two locating shafts locate to ensure axiality through axle and corresponding terminal pad.
Further, the floral disc that two terminal pads carry through securing member and several milling machine tool is respectively connected.
Further, blade to be processed is aero-engine entry guide vane assembly or compressor stator blade.
The present invention has following beneficial effect:
Blade profile number Milling Machining fixture of the present invention, treat machining blade and locate on several milling machine tool by designing distinctive clamping tooling with milling blade profile, reduce complex operation and the problems high to operator's level of skill such as the manual polishings of operator, and clamp structure compact and reasonable, both ensure that processes quality, turn improve production efficiency, and avoid the problem that traditional-handwork processes the low and serious waste of resources of the yield rate caused, save production cost.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of preferred embodiment of the present invention blade profile number Milling Machining fixture;
Fig. 2 is the cross-sectional schematic of Fig. 1.
Description of reference numerals:
10, terminal pad;
20, locating shaft; 21, resilient clamp portion;
30, blade to be processed;
40, locking member;
50, angle block; 51, location division; 52, connecting portion; 53, arc protuberance;
60, screw;
70, housing screw;
80, alignment pin.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The preferred embodiments of the present invention provide a kind of blade profile number Milling Machining fixture, locate with milling blade profile for treating machining blade 30 on several milling machine tool, and with reference to Fig. 1 and Fig. 2, the present embodiment blade profile number Milling Machining fixture comprises:
Two terminal pads, 10, two terminal pads 10 are parallel to be oppositely arranged and to be fixed on several milling machine tool;
Two locating shafts 20, interval is individually fixed on two terminal pads 10 vertically, and the coaxial and region between two locating shafts 20 of two locating shafts 20 forms the clamping zone of blade 30 to be processed;
Two locating shafts 20 are resilient clamp portion 21 along the end of the terminal pad 10 away from its correspondence and are equipped with the locking member 40 for controlling its elastic deformation;
At least one locating shaft 20 is provided with the angle block 50 carrying out angle location for treating machining blade 30.
Particularly, with reference to Fig. 2, two terminal pads 10 of the present embodiment are distributed in the two ends of fixture, distribute to be connected with the floral disc that several milling machine tool carries by four equally distributed screws 60, to ensure the reliability of locating in process.Two locating shaft 20 one end connect to ensure axiality with corresponding terminal pad 10 through axle respectively, thus guarantee the displacement accuracy of the several millings adding man-hour, and the other end of two locating shafts 20 is positioned at the axle journal place, two of blade 30 to be processed.The present embodiment in the end of locating shaft 20 circumferentially uniform openings to form resilient clamp portion 21, and the elastic deformation of locating shaft 20 is controlled by the locking member 40 coordinated, to guarantee the machining accuracy of blade profile, and adopt the resilient clamp portion 21 of circumferential uniform openings, when making to clamp blade 30 to be processed, clamping force is even, the mismachining tolerance avoiding the displacement of blade 30 to be processed to bring, reduces the disqualification rate of finished product.More preferably, have enough resilient clamping force in order to ensure between two locating shafts 20 when clamping blade 30 to be processed, in the present embodiment, locating shaft 20 adopts 9SiCr steel to make, and resilient clamp portion 21 is heat-treated to metal skin hardness reaches HRC40 ~ 45.Preferably, the present embodiment locking member 40 is mounting nuts, mounting nuts employing 40CrNiMoA conjunction knot steel is made and is heat-treated to metal skin hardness and reaches HRC40 ~ 45, thus ensure that the screw thread of mounting nuts and resilient clamp portion 21 coordinate security, avoid the mismachining tolerance that thread failure causes.
Preferably, in the present embodiment, in order to improve the working (machining) efficiency of different batches part, the size according to blade 30 two to be processed necked part can by the grip dimensions seriation of locating shaft 20.As long as locating shaft 20 is changed in part processing similar after being like this, enhance the versatility of fixture.
With reference to Fig. 2, the present embodiment angle block 50 comprises the location division 51 be connected with the periphery wall of locating shaft 20, location division 51 connects the axially extended connecting portion 52 along locating shaft 20, the end of connecting portion 52 is provided with along perpendicular to locating shaft 20 axially and the convex arc protuberance 53 to locating shaft 20, and angle location is carried out in the end that arc protuberance 53 treats machining blade 30.The present embodiment is alignd by the angular position of arc protuberance 53 with blade 30 to be processed, to further increase the positioning precision of blade 30 to be processed in milling process, ensure that crudy.Preferably, the location division 51 of angle block 50 is connected on locating shaft 20 through alignment pin 80 and housing screw 70.With reference to Fig. 1 and 2, location division 51 to coordinate with locating shaft 20 through two alignment pins 80 and is secured on locating shaft 20 through housing screw 70, by designing two pin one bolt structures, angle block 50 can be allowed to treat machining blade 30 and to carry out angle location, also the handling of blade 30 to be processed are facilitated, as, after removing housing screw 70, easily angle block 50 can be carried out displacement through two alignment pins 80, thus be convenient to blade 30 to be processed and install or dismantle, and be secured on locating shaft 20 through housing screw 70 again after angle block 50 resets, operation is convenient, greatly simplifie the installation operation link of several Milling Machining, improve production efficiency.
Preferably, the present embodiment blade 30 to be processed is aero-engine entry guide vane assembly or compressor stator blade, the logarithm milling machine tool that is processed by of this blade programs to process according to the parameter coordinate of specifying, thus obtains qualified entry guide vane assembly or compressor stator blade.
Can learn from above description, the present embodiment is treated machining blade by the distinctive clamping tooling of design and is located on several milling machine tool with milling blade profile, reduce complex operation and the problems high to operator's level of skill such as the manual polishings of operator, and clamp structure compact and reasonable, both ensure that processes quality, turn improve production efficiency, and avoid the problem that traditional-handwork processes the low and serious waste of resources of the yield rate caused, save production cost.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a blade profile number Milling Machining fixture, for treating machining blade (30) location with milling blade profile on several milling machine tool, it is characterized in that, described blade profile number Milling Machining fixture comprises:
Two terminal pads (10), described two terminal pads (10) are parallel to be oppositely arranged and to be fixed on described several milling machine tool;
Two locating shafts (20), interval is individually fixed on two described terminal pads (10) vertically, and the coaxial and region between two described locating shafts (20) of described two locating shafts (20) forms the clamping zone of described blade to be processed (30);
Described two locating shafts (20) are resilient clamp portion (21) along the end away from the terminal pad (10) of its correspondence and are equipped with the locking member (40) for controlling its elastic deformation;
Locating shaft described at least one (20) is provided with the angle block (50) for carrying out angle location to described blade to be processed (30).
2. blade profile number Milling Machining fixture according to claim 1, is characterized in that,
Described angle block (50) comprises the location division (51) be connected with the periphery wall of described locating shaft (20), described location division (51) connects the axially extended connecting portion (52) along described locating shaft (20), the end of described connecting portion (52) is provided with along perpendicular to described locating shaft (20) axially and the convex arc protuberance (53) to described locating shaft (20), and angle location is carried out in the described end of arc protuberance (53) to described blade to be processed (30).
3. blade profile number Milling Machining fixture according to claim 2, is characterized in that,
Described location division (51) is connected on described locating shaft (20) through alignment pin (80) and housing screw (70).
4. blade profile number Milling Machining fixture according to claim 1, is characterized in that,
Described resilient clamp portion (21) is the structure of end circumferentially uniform openings.
5. blade profile number Milling Machining fixture according to claim 4, is characterized in that,
Described locating shaft (20) adopts 9SiCr steel to make, and described resilient clamp portion (21) is heat-treated to metal skin hardness reaches HRC40 ~ 45.
6. blade profile number Milling Machining fixture according to claim 5, is characterized in that,
Described locking member (40) is mounting nuts, and described mounting nuts employing 40CrNiMoA conjunction knot steel is made and is heat-treated to metal skin hardness and reaches HRC40 ~ 45.
7. blade profile number Milling Machining fixture according to claim 1, is characterized in that,
Described two locating shafts (20) locate to ensure axiality through axle with corresponding terminal pad (10).
8. blade profile number Milling Machining fixture according to claim 7, is characterized in that,
The floral disc that described two terminal pads (10) carry through securing member and several milling machine tool is respectively connected.
9., according to the arbitrary described blade profile number Milling Machining fixture of claim 1 to 8, it is characterized in that,
Described blade to be processed (30) is aero-engine entry guide vane assembly or compressor stator blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765217.6A CN105252292B (en) | 2015-11-11 | 2015-11-11 | Blade profile number Milling Machining fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765217.6A CN105252292B (en) | 2015-11-11 | 2015-11-11 | Blade profile number Milling Machining fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105252292A true CN105252292A (en) | 2016-01-20 |
| CN105252292B CN105252292B (en) | 2018-06-22 |
Family
ID=55092382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510765217.6A Active CN105252292B (en) | 2015-11-11 | 2015-11-11 | Blade profile number Milling Machining fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105252292B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729344A (en) * | 2016-04-12 | 2016-07-06 | 株洲中航动力精密铸造有限公司 | Locating clamp and fixing method used for aero-engine unshrouded vane dimension measurement |
| CN106392695A (en) * | 2016-09-14 | 2017-02-15 | 何世华 | Fixing method for machining engine blade |
| CN109738468A (en) * | 2019-01-04 | 2019-05-10 | 中南大学 | A kind of universal probe clamping device for Sample location in neutron diffraction measurement |
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| CN103737401A (en) * | 2014-01-07 | 2014-04-23 | 南通环球转向器制造有限公司 | Clamp for processing emergency pump camshaft and method for processing camshaft by using clamp |
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| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| CN202097563U (en) * | 2010-11-19 | 2012-01-04 | 无锡曙光模具有限公司 | Fixture structure for processing large-size thin-wall annular parts |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729344A (en) * | 2016-04-12 | 2016-07-06 | 株洲中航动力精密铸造有限公司 | Locating clamp and fixing method used for aero-engine unshrouded vane dimension measurement |
| CN105729344B (en) * | 2016-04-12 | 2017-08-04 | 株洲中航动力精密铸造有限公司 | For aero-engine without shroud blade dimensional measurement positioning fixture and fixing means |
| CN106392695A (en) * | 2016-09-14 | 2017-02-15 | 何世华 | Fixing method for machining engine blade |
| CN109738468A (en) * | 2019-01-04 | 2019-05-10 | 中南大学 | A kind of universal probe clamping device for Sample location in neutron diffraction measurement |
| CN109738468B (en) * | 2019-01-04 | 2020-07-10 | 中南大学 | Universal probe clamping device for positioning sample in neutron diffraction measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105252292B (en) | 2018-06-22 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |