CN202507098U - Fixture for resin pressure curved surface numerical control machining of precisely-forged blade tenon root - Google Patents
Fixture for resin pressure curved surface numerical control machining of precisely-forged blade tenon root Download PDFInfo
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- CN202507098U CN202507098U CN2012201487158U CN201220148715U CN202507098U CN 202507098 U CN202507098 U CN 202507098U CN 2012201487158 U CN2012201487158 U CN 2012201487158U CN 201220148715 U CN201220148715 U CN 201220148715U CN 202507098 U CN202507098 U CN 202507098U
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- anchor clamps
- blade
- alignment pin
- fixture
- case lid
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Abstract
The utility model discloses a fixture for resin pressure curved surface numerical control machining of a precisely-forged blade tenon root. A fixture box cover is connected with a fixture box body through an eccentric pin roll. Parts of the fixture box body and the fixture box cover in contact with a blade back, a blade basin and a tenon root are respectively coated with a resin material layer, a blade is enabled to be capable of bearing impact and vibration caused by a cutting knife of a cutter during machining, the blade is enabled to be stably machined and be not apt to be deformed, and the positioning accuracy is improved. The fixture provided by the utility model has the advantages that not only can the machining efficiency of an aircraft engine blade be improved, but also the machining accuracy can be improved and the problem in clamping during the machining of the precisely-forged blade tenon root is solved; the structure of the fixture is simple, the fixture is convenient to install, the positioning accuracy is high and the fixture can be repetitively assembled and disassembled without causing any influence to the positioning accuracy; and the fixture not only is suitable for the machining of the tenon root of the aircraft engine blade, but also is suitable for the machining of tenon roots of thin-wall blades such as working blades and guide blades of gas turbines.
Description
Technical field
The utility model relates to the anchor clamps of a kind of curved surface location processing finish forge blade tenon root, specifically, relates to a kind of resin and compresses Surface NC Machining finish forge blade tenon root anchor clamps.Belong to the blade of aviation engine processing technique field.
Background technology
Blade of aviation engine is that typical high-freedom degree is complex-curved, the characteristics that the blade of thin wall type structure has is curved, turned round, plunderred shape, and the profile required precision is high, aeroperformance is good; The high-precision characteristics of blade make that its working (machining) efficiency is lower, and the frock clamp before the blade processing has also been proposed quite high requirement.In order to improve working (machining) efficiency, can adopt the high efficiency method of precision forging to process for some less relatively blades.Existing finish forge technology can satisfy the precision prescribed of blade blade, and the blade curved surface does not need to carry out digital control processing again, but the blade tenon root only is thick moulding, needs further digital control processing.And for the processing of finish forge blade tenon root, can only be to locate through in type blade free form surface, not only to guarantee the accuracy and the stability of locating, and must control the clamping distortion of the blade free form surface that causes by clamping.
Blade processing anchor clamps type of the prior art has a lot, normally used universal fixturing is arranged, can adjust anchor clamps, built-up jig; Be applicable to that generally traditional blade digital control processing is earlier the blade tenon root to be processed; Come blade is processed through the location of blade tenon root again; And, also do not have to guarantee the special fixture that better location and less clamping are out of shape for the technological requirement of digital control processing finish forge blade tenon root.
A kind of blade digital control processing precise positioning fixture is disclosed among the Chinese patent 201020020523.x; Positioning fixture adopts the structure that fixes to clamp of two ends pretensioned; Its blade tip end process area links to each other with positioning core axle; Through the setting of eccentric pin shaft, and utilize the self-locking of eccentric pin shaft to realize clamping, prevent the excessive problem of distortion in the blade processing process.But the pretightning force of these anchor clamps eccentric pin shaft generation in use can't accurately be controlled; Blade for different size can't reach the clamping of optimization location; Especially when the machining large thin wall vane, its vibration is apparent in view, can influence the crudy of large-scale blade.
A kind of thin wall vane digital control processing precision location clamp has been described in patent 201020608097.1; The fixed structure that this positioning fixture adopts tenon butt hydraulic clamp structure and blade tip workbench and apotting spindle casting to connect, the blade tip process area links to each other with positioning core axle, through hydraulic means; Utilize the pressure bearing pin to realize the clamping of blade; The machining deformation of blade in can reducing to process, but these anchor clamps position through the tenon root, do not solve the processing problems to the tenon root.
The utility model content
Be the deficiency of avoiding prior art to exist; The tenon root work in-process that overcomes its finish forge blade is big through the position error that blade curved surface location causes, stability is not enough, clamp the big problem of distortion, and the utility model proposes a kind of resin and compresses Surface NC Machining finish forge blade tenon root anchor clamps.Purpose is blade to be born because the shock and vibration that Tool in Cutting power produces make the stable and difficult generation distortion of processing of leaves in process, improves positioning accuracy; Anchor clamps not only can improve the working (machining) efficiency of blade of aviation engine, and can improve machining accuracy, solve the clamping problem that finish forge blade tenon root adds man-hour.
The utility model solves the technical scheme that its technical problem adopted: comprise rotary table, anchor clamps case lid, case lid top board, alignment pin three, eccentric pin shaft, anchor clamps casing, go up bolt, regulating block, positioning screw, pin for suppressing metal one, blade alignment pin one, following bolt, blade alignment pin two, metal tape one, metal tape two, metal tape three, metal tape four, roof box, alignment pin two, alignment pin one, pin for suppressing metal two
Said rotary table provides support for other each parts;
The anchor clamps casing that is fixed on the rotary table is connected through eccentric pin shaft with the anchor clamps case lid, and anchor clamps case lid and anchor clamps casing fasten the back through last bolt and following bolt locking; Anchor clamps cover wall and anchor clamps cabinet wall, the side that the case lid top board is relative with roof box have resinous coat, are fixed with metal tape facing each other, metal tape two, metal tape three, metal tape four on the resinous coat of anchor clamps cover wall and anchor clamps cabinet wall.
Said anchor clamps box inside bottom is provided with blade alignment pin one and blade alignment pin two; Inside upper part is provided with regulating block; Anchor clamps casing both sides are equipped with bolt and following bolt; Anchor clamps casing front end is fixed with roof box, and roof box is provided with alignment pin one and adjustable alignment pin two, and alignment pin two is regulated through pin for suppressing metal one;
Said anchor clamps case lid both sides are provided with stepped recesses and last bolt is connected with following bolt, and the front end of anchor clamps case lid is fixed with the case lid top board, and adjustable alignment pin three is arranged on the case lid top board, and pin for suppressing metal two adjustings are crossed in the alignment pin threeway.
Said regulating block is for falling concave character type, and there is screw at the groove top center, is installed on the anchor clamps casing through positioning screw, with the location of crossing of blade alignment pin one and blade alignment pin two realization blades.
Metal tape three in the said anchor clamps casing on the resinous coat and metal tape four vertical direction respectively are fixed on the top of blade alignment pin one and blade alignment pin two.
The utility model resin compresses Surface NC Machining finish forge blade tenon root anchor clamps, uses resin material can well coincide with blade as the coating of anchor clamps cover wall and anchor clamps cabinet wall, plays the auxiliary effect that clamps; Four strip metal bands vertically are embedded on the resin material coating respectively, and on anchor clamps case lid resinous coat and anchor clamps casing resinous coat, are symmetrically distributed, and realize location and the effect that clamps simultaneously.Through regulating eccentric pin shaft and last bolt, following bolt, make the anchor clamps case lid can well cooperate with the anchor clamps casing, guarantee the accurate location of metal tape on the anchor clamps case lid resin material layer, and realize location and the effect that clamps.
Beneficial effect
The utility model resin compresses Surface NC Machining finish forge blade tenon root anchor clamps, and the anchor clamps case lid is connected through eccentric pin shaft with the anchor clamps casing, and the self-locking of eccentric pin shaft capable of using realizes clamping.Its part that contacts with blade back leaf basin of anchor clamps casing and anchor clamps case lid and the part that contacts with the tenon root are resin material, blade can be born because the shock and vibration that Tool in Cutting power produces in process; Be fixed with alignment pin on the roof box and realize the blade location; Adjustable alignment pin is realized the location of crossing of blade, also plays the effect of clamping, can add the effect of playing supplemental support man-hour at the tenon root simultaneously; Make stable and difficult distortion, the raising positioning accuracy of producing of processing of leaves.Anchor clamps not only can improve the working (machining) efficiency of blade of aviation engine, and can improve machining accuracy, solve the clamping problem that finish forge blade tenon root adds man-hour.Clamp structure is simple, and is easy for installation, and positioning accuracy is high, can repeatedly install and remove and do not influence positioning accuracy.
Description of drawings
Below in conjunction with accompanying drawing and embodiment a kind of resin of the utility model being compressed Surface NC Machining finish forge blade tenon root anchor clamps describes in further detail.
Fig. 1 compresses Surface NC Machining finish forge blade tenon root anchor clamps sketch map for the utility model resin.
Fig. 2 is a positioning screw installation position sketch map.
Fig. 3 is an anchor clamps casing embedded metal band position sketch map.
Fig. 4 is the top board sketch map of the utility model.
Among the figure:
1. one 14. times bolts of bolt 8. regulating blocks, 9. positioning screw 10. pins for suppressing metal, one 11. blade 12. blade tenon roots, 13. blade alignment pins, 15. blade alignment pins, 2 16. metal tapes, one 17. metal tapes, 2 18. metal tapes, 3 19. metal tapes, 4 20. roof box, 21. alignment pins, 2 22. alignment pins, one 23. pins for suppressing metal two on the rotary table 2. anchor clamps case lids 3. case lid top boards 4. alignment pins 3 5. eccentric pin shafts 6. anchor clamps casings 7.
The specific embodiment
Present embodiment is that a kind of resin compresses Surface NC Machining finish forge blade tenon root anchor clamps.
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4; The utility model resin compresses Surface NC Machining finish forge blade tenon root anchor clamps, comprises rotary table 1, anchor clamps case lid 2, case lid top board 3, alignment pin 34, eccentric pin shaft 5, anchor clamps casing 6, goes up bolt 7, regulating block 8, positioning screw 9, pin for suppressing metal 1, blade 11, blade tenon root 12, blade alignment pin 1, following bolt 14, blade alignment pin 2 15, metal tape 1, metal tape 2 17, metal tape 3 18, metal tape 4 19, roof box 20, alignment pin 2 21, alignment pin 1, pin for suppressing metal 2 23;
Rotary table 1 is installed on the platen through bolt; The anchor clamps casing 6 that is fixed on the rotary table 1 is connected through eccentric pin shaft 5 with anchor clamps case lid 2, and anchor clamps case lid 2 covers the back through last bolt 7 and following bolt 14 fixing and lockings with anchor clamps casing 6; Last bolt 7 is reliably locked with 14 pairs of anchor clamps case lids of following bolt 2 and anchor clamps casing 6, promptly clamps blade, also can come the locking degree of alignment jig case lid 2 and anchor clamps casing 6 simultaneously through the upper and lower bolt of screwing, and is promptly adjustable to the clamping degree of blade 11.Eccentric pin shaft is the cylinder eccentric shaft, the clamping degree that can cooperate bolt 7 and following bolt 14 to come adjusting vane 11.Anchor clamps case lid 2 inwalls and anchor clamps casing 6 inwalls, case lid top board 3 and roof box 20 relative sides are provided with resinous coat; Be fixed with metal tape 1 facing each other and metal tape 2 18, metal tape 3 17 and metal tape 4 19 on the resinous coat of anchor clamps case lid 2 inwalls and anchor clamps casing 6 inwalls, also can realize the effect of locating and clamping.Through regulating eccentric pin shaft and last bolt, following bolt, the anchor clamps case lid that makes can well cooperate with the anchor clamps casing, guarantees the accurate location of metal tape on the anchor clamps case lid resin material layer.Realize location and the effect that clamps.
Anchor clamps casing 6 lower inside are provided with blade alignment pin 1 and blade alignment pin 2 15, and anchor clamps casing 6 inside upper part are provided with regulating block 8, and anchor clamps casing 6 both sides are equipped with bolt 7 and following bolt 14; Anchor clamps casing 6 front ends are fixed with roof box 20, and roof box 20 is provided with alignment pin 1 and adjustable alignment pin 2 21; Anchor clamps case lid both sides are provided with stepped recesses and last bolt 7 is connected with following bolt 14, and the front end of anchor clamps case lid 2 is fixed with case lid top board 3, and adjustable alignment pin 34 is arranged on the case lid top board 3, and alignment pin is regulated through pin for suppressing metal.
Referring to Fig. 4; Alignment pin 22 on the roof box 20 of anchor clamps casing 6 front ends is realized blade 11 location; Scalable alignment pin 4, alignment pin 21 are realized the location of crossing of blade 11, play the effect of clamping, can add the effect of playing supplemental support man-hour at blade tenon root 12 simultaneously.The adjusting that realizes scalable alignment pin 4, alignment pin 21 through pin for suppressing metal 1, pin for suppressing metal 2 23 respectively.
Fig. 2 shows it is the installation position of the positioning screw on the anchor clamps casing of the utility model, regulates regulating blocks 8 through positioning screw 9; Regulating block 8 is down concave character type, and there is screw at the groove top center, is fixedly mounted on the anchor clamps casing 6 through positioning screw 9, with the location of crossing of blade alignment pin 1 and blade alignment pin 2 15 realization blades.
As shown in Figure 3, the metal tape 3 18 in the anchor clamps casing 6 on the resinous coats and metal tape 4 19 vertical direction respectively are fixed on the top of blade alignment pin 1 and blade alignment pin 2 15.
The utility model resin compresses Surface NC Machining finish forge blade tenon root anchor clamps; In use; Rotary table 1 is installed on the platen; Blade 11 is seated in the location of accomplishing blade 11 through blade alignment pin 1, blade alignment pin 2 15 in the anchor clamps casing 6, regulates the location of crossing that regulating block 8 is realized blade 11 through positioning screw 9, plays the effect of clamping; Fasten anchor clamps case lid 2, through last bolt 7,14 pairs of anchor clamps case lids 2 of bolt and the 6 fastening lockings of anchor clamps casing down, promptly clamp blade, at this moment, but fit adjustment eccentric pin shaft 5 is regulated the clamping degree to blade 11.Fixing alignment pin 1 is realized blade 11 location on the roof box 20 of anchor clamps casing 6; Through regulating the location of crossing of pin for suppressing metal 1, pin for suppressing metal 2 23 realization blades 11; Play the effect of clamping, in the processing of blade tenon root 12, play the effect of supplemental support simultaneously; Accomplishing above work can process blade tenon root 12.
The utility model resin compresses Surface NC Machining finish forge blade tenon root anchor clamps; Use resin material can well be harmonious with blade as the coating of anchor clamps case lid 2 inwalls and anchor clamps casing 6 inwalls; Part that it contacts with blade back leaf basin and the part that contacts with the blade tenon root are the resin material coating; For blade 11 provides a flexible support, and resin material can allow certain blade profile error, the machining deformation that blade 11 produces in can reducing to process under the effect of cutting force; Blade 11 can be born because the shock and vibration that Tool in Cutting power produces make the processing of blade 11 become stable in process.Being connected of anchor clamps case lid 2 and anchor clamps casing 6 adopts eccentric pin shaft 5, the self-locking of eccentric pin shaft 5 also capable of using to realize clamping.
In process, the regulating block 8 of anchor clamps casing 6, the scalable alignment pin 4 on the case lid top board 3 and the scalable alignment pin 21 on the roof box 20 through the location of crossing to blade 11, improve positioning accuracy, reduce damping vibration.
The utility model not only is used for the processing of blade of aviation engine tenon root, but also can be used for thin-walled class blade tenon roots such as working-blade, the guide vane processing of combustion gas turbine.
Claims (3)
1. a resin compresses Surface NC Machining finish forge blade tenon root anchor clamps; It is characterized in that: comprise rotary table, anchor clamps case lid, case lid top board, alignment pin three, eccentric pin shaft, anchor clamps casing, go up bolt, regulating block, positioning screw, pin for suppressing metal one, blade alignment pin one, following bolt, blade alignment pin two, metal tape one, metal tape two, metal tape three, metal tape four, roof box, alignment pin two, alignment pin one, pin for suppressing metal two
Said rotary table provides support for other each parts;
The anchor clamps casing that is fixed on the rotary table is connected through eccentric pin shaft with the anchor clamps case lid, and anchor clamps case lid and anchor clamps casing fasten the back through last bolt and following bolt locking; Anchor clamps cover wall and anchor clamps cabinet wall, the side that the case lid top board is relative with roof box have resinous coat, are fixed with metal tape facing each other, metal tape two, metal tape three, metal tape four on the resinous coat of anchor clamps cover wall and anchor clamps cabinet wall;
Said anchor clamps box inside bottom is provided with blade alignment pin one and blade alignment pin two; Inside upper part is provided with regulating block; Anchor clamps casing both sides are equipped with bolt and following bolt; Anchor clamps casing front end is fixed with roof box, and roof box is provided with alignment pin one and adjustable alignment pin two, and alignment pin two is regulated through pin for suppressing metal one;
Said anchor clamps case lid both sides are provided with stepped recesses and last bolt is connected with following bolt, and the front end of anchor clamps case lid is fixed with the case lid top board, and adjustable alignment pin three is arranged on the case lid top board, and pin for suppressing metal two adjustings are crossed in the alignment pin threeway.
2. resin according to claim 1 compresses Surface NC Machining finish forge blade tenon root anchor clamps; It is characterized in that: said regulating block is for falling concave character type; There is screw at the groove top center; Be installed on the anchor clamps casing through positioning screw, with the location of crossing of blade alignment pin one and blade alignment pin two realization blades.
3. resin according to claim 1 compresses Surface NC Machining finish forge blade tenon root anchor clamps, it is characterized in that: the metal tape three in the said anchor clamps casing on the resinous coat and metal tape four vertical direction respectively are fixed on the top of blade alignment pin one and blade alignment pin two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201487158U CN202507098U (en) | 2012-04-10 | 2012-04-10 | Fixture for resin pressure curved surface numerical control machining of precisely-forged blade tenon root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201487158U CN202507098U (en) | 2012-04-10 | 2012-04-10 | Fixture for resin pressure curved surface numerical control machining of precisely-forged blade tenon root |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507098U true CN202507098U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201487158U Withdrawn - After Issue CN202507098U (en) | 2012-04-10 | 2012-04-10 | Fixture for resin pressure curved surface numerical control machining of precisely-forged blade tenon root |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507098U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632410A (en) * | 2012-04-10 | 2012-08-15 | 西北工业大学 | Resin pressing curved surface numerical control machining clamp for performing precision forging on blade tenon root |
| CN103465071A (en) * | 2013-09-27 | 2013-12-25 | 南通中能机械制造有限公司 | Four-axis mill movable and fixed blade positioning seat tool clamp |
| CN105312931A (en) * | 2015-12-01 | 2016-02-10 | 中国航空工业集团公司洛阳电光设备研究所 | Machining method of overhanging type part |
| CN109531196A (en) * | 2018-11-21 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Reference Transforming device for the processing of rotor blade tenon |
-
2012
- 2012-04-10 CN CN2012201487158U patent/CN202507098U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632410A (en) * | 2012-04-10 | 2012-08-15 | 西北工业大学 | Resin pressing curved surface numerical control machining clamp for performing precision forging on blade tenon root |
| CN102632410B (en) * | 2012-04-10 | 2014-03-12 | 西北工业大学 | Resin pressing curved surface numerical control machining clamp for performing precision forging on blade tenon root |
| CN103465071A (en) * | 2013-09-27 | 2013-12-25 | 南通中能机械制造有限公司 | Four-axis mill movable and fixed blade positioning seat tool clamp |
| CN103465071B (en) * | 2013-09-27 | 2016-04-13 | 南通中能机械制造有限公司 | Four axle millings dynamic and static leaf positioning seat frock clamp |
| CN105312931A (en) * | 2015-12-01 | 2016-02-10 | 中国航空工业集团公司洛阳电光设备研究所 | Machining method of overhanging type part |
| CN109531196A (en) * | 2018-11-21 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Reference Transforming device for the processing of rotor blade tenon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20140312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20140312 |