CN107570819A - A kind of angular positioning alignment device for precision ECM processing blisk - Google Patents
A kind of angular positioning alignment device for precision ECM processing blisk Download PDFInfo
- Publication number
- CN107570819A CN107570819A CN201710900390.1A CN201710900390A CN107570819A CN 107570819 A CN107570819 A CN 107570819A CN 201710900390 A CN201710900390 A CN 201710900390A CN 107570819 A CN107570819 A CN 107570819A
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- angular positioning
- blisk
- portable plate
- key
- alignment device
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention discloses a kind of angular positioning alignment device for precision ECM processing blisk, including fixed plate, U-shaped portable plate and angular positioning key, U-shaped portable plate is connected by fixed plate with fixture, angular positioning key peace, which turns with the end face technology groove gap of blisk to coordinate in U-shaped portable plate rearward end, to play the role of positioning, when precision ECM processes blisk blade type face, on precision ECM special fixture, by the first blade type face reference point location of blisk, overlapped with precision ECM lathe dead-center position, realize that fast accurate positions centering, the device can meet the requirement of blisk machining accuracy, structure is novel, it is easy to operate.
Description
Technical field
The invention belongs to field of machining, is related to blisk of engine processing unit (plant), and in particular to one kind is used for essence
The angular positioning alignment device of close Electrolyzed Processing blisk.
Background technology
Blisk is that the blade of engine rotor and wheel disc are designed to an entirety, using integral processing method manufacture
Into.Blisk configuration is complicated, and blade type face difficulty of processing is big.In new machine development process, blisk blade type face is most
Using the processing method of numerical control milling, blisk wheel side surface is provided with technology groove, fraise jig is with datum hole and end face
Master positioning, angular positioning is done with technology groove, chuck body profile leaves centering face, and the angular centering of Milling Process is simple.
With the emergence of new technology, new technology, high-quality and efficient precision ECM process technology, applied to overall leaf
In disk manufacture.Due to the design feature of precision ECM machining tool, the form and numerical control of working properties and process tool (electrode)
Milling is entirely different, and process tool electrode is made up of spatial complex type face, can not realize the direct centering part to be processed of electrode,
Can only be by Electrolyzed Processing special fixture and the angular positioning alignment device of adapted therewith, by the first blade type face base of blisk
Position overlaps with precision ECM lathe dead-center position on schedule, realizes unifying datum, fast accurate positioning centering, is easy to follow-up precision
Electrolyzed Processing blisk blade type face, this angular positioning centering mode are simple to operate so that part processing efficiency carries significantly
It is high.
When precision ECM processes blisk blade type face, part positioning datum uses endoporus and end face master positioning, technique
Groove determines angular position, required when part is processed putting position be technology groove outwardly, working position is completely hanging and unobstructed, so
Very big difficulty just is brought to angular positioning centering, and the connection space of special fixture and precision ECM lathe is smaller, limitation
The structure of angular positioning alignment device.In the angular positioning alignment device of design, on the one hand to take into full account total with
The connected mode of special fixture, it is detachable in the confined space and be convenient to mount and dismount, on the other hand to take into full account in unloading process such as
What ensures angular positioning centering precision, meets blisk blade type face processing request, and this is that current positioning alignment device runs into
Problem.
The content of the invention
Present invention aims at provide a kind of structure novelty, the easy to operate angle for being used for precision ECM processing blisk
To positioning alignment device, the first blade type face reference point location of blisk can be overlapped with precision ECM lathe dead-center position
Realize that fast accurate positions centering, meet the requirement of blisk machining accuracy.
To reach above-mentioned purpose, the present invention, which adopts the following technical scheme that, to be achieved：
It is a kind of for precision ECM processing blisk angular positioning alignment device, including fixed plate, U-shaped portable plate and
Angular positioning key；
Fixed plate one end is connected with fixture, and the other end is connected with U-shaped movable front edge of board, and U-shaped portable plate rear end extends to whole
The outside of body leaf dish end face, angular positioning key peace turn in U-shaped portable plate rearward end, angular positioning key side and blisk
End face technology groove gap, which coordinates, to play the role of positioning.
Further, the angular positioning key side be long key, opposite side be short key, offered in U-shaped portable plate rearward end
Short groove, angular bond distance's key side and the end face technology groove gap of blisk of positioning coordinate, short key side and the short groove of U-shaped portable plate
Interference fit.
Further, the long key that fixed plate extends along a length thereof, long key and the locating slot on U-shaped portable plate of fixed plate slide
Coordinate, and the screw lock by being sunken in U-shaped portable plate.
Further, fixed plate and U-shaped portable plate fit clearance are not more than 0.01mm, and with three M8 screw locks.
Further, fixed plate offers two positioning holes and two screwed holes close to jockey one end, fixed by two
Position pin is realized with positioning hole interference fits to be positioned, and fixed plate is pressed on fixture by two screws.
Further, angularly positioning all parts of alignment device should be all made from stainless steel material.
Further, the connecting portion of angular positioning key offers the waist for adjusting its axial location on U-shaped portable plate
Type groove.
The angular positioning alignment device of the present invention, including fixed plate, U-shaped portable plate and angular positioning key, U-shaped portable plate lead to
Cross fixed plate to be connected with fixture, angular positioning key peace turns in U-shaped portable plate rearward end between the end face technology groove of blisk
Gap, which coordinates, to play the role of positioning,, will be whole on precision ECM special fixture when precision ECM processes blisk blade type face
The first blade type face reference point location of body leaf dish, is overlapped with precision ECM lathe dead-center position, realizes that fast accurate positions centering,
The device can meet the requirement of blisk machining accuracy, and structure is novel, easy to operate.Energy fast accurate of the invention is realized angular
Centering is positioned, it is simple and compact for structure, it is easy to use, improve the processing efficiency of part, and provided for solution same problems can
Experience for reference.
Further, ensure to be slidably matched with the U-shaped locating slot of portable plate 2, fit clearance is not more than 0.01mm, with three M8 spiral shells
Nail locking, convenient disassembly, and ensure that machining accuracy.
Further, angularly the material of positioning all parts of alignment device should all select stainless steel material, due to precision ECM
The particularity of processing work environment, prevent it from corroding and getting rusty.
Brief description of the drawings
Fig. 1 a angularly position alignment device upward view
Fig. 1 b angularly position alignment device front view
Fig. 1 c Fig. 1 b A-A is to sectional view
Fig. 2 a fixed plate structure front views
Fig. 2 b fixed plate structure top views
The U-shaped activity plate structure schematic diagrams of Fig. 3
The angular positioning key front views of Fig. 4 a
The angular positioning key side views of Fig. 4 b
In figure：1- fixed plates；2-U type portable plates；The angular positioning keys of 3-；4- screws；5- alignment pins；6- fixtures；7- is overall
Leaf dish.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Description, embodiment described herein is only the part of the embodiment of the present invention, and not all embodiment.Based on this hair
Embodiment in bright, the every other embodiment that those of ordinary skill in the art are obtained under the premise of no creative work,
Belong to the scope of the present invention.
As shown in Fig. 1 a, Fig. 1 b and Fig. 1 c, the present invention is used for the angular positioning centering dress of precision ECM processing blisk
Put, including be connected with special fixture 6 fixed plate 1, U-shaped portable plate 2, alignment pin 5, angular positioning key 3, screw 4 etc..
Slide fit gap between fixed plate 1 and U-shaped portable plate 2, it is the key position that the present apparatus ensures angular positioning precision.
As shown in Figure 2 a and 2 b, fixed plate 1 is the matrix of the present apparatus, and side is connected with precision ECM special fixture, is designed with two
The precision positioning holes of Φ 6 and two M8 screwed holes, positioned using two interference fits of Special purpose locating pin 5, two M8 screw in compressions, separately
Side is connected with U-shaped portable plate 2, is positioned using long key wide 10mm, for convenient disassembly and is ensured machining accuracy, with U-shaped work
The dynamic locating slot of plate 2 ensures to be slidably matched, and fit clearance is not more than 0.01mm, and with three M8 screw locks, it must have enough
Rigidity, thickness is about 15mm, is got rusty to prevent the corrosion of electrolyte, from stainless steel material.
As shown in figure 3, U-shaped portable plate 2 is the main positioning element of the present apparatus, in order to meet the requirement of precision ECM processing,
Blade type face position need to be completely exposed, and must not have interferences, and U-shaped portable plate 2 must be designed to removable with the coupling part of fixed plate 1
Unload, width is that 10mm positioning trough is slidably matched with fixed plate 1, and width is that 8mm short groove is connected with angular positioning key 3.
The U-shape structure size of portable plate must get out of the way the radial and axial size of blisk.Because connection space is limited, in U-shaped work
The dynamic bottom of plate 2 is provided with width 18mm depths 10mm square groove, for three M8 attachment screws to be sunken within portable plate.
As shown in figures 4 a and 4b, the long key side of angular positioning key 3 and the end face technology groove gap of blisk coordinate
Play the role of positioning, short key side is interference fitted with U-shaped portable plate 2, in order to ensure the versatility of this device, in multistage blisk
It is all suitable for, the connecting portion of angular positioning key 3 opens up waist type groove, can adjust axial location.
The angular positioning alignment device should strictly control during fabrication angular positioning key 3 and with special fixture connecting portion
Relative position dimensional tolerance.It is angular to position all parts of alignment device due to the particularity of precision ECM processing work environment
Material should all select stainless steel material, prevent its corrode and get rusty.
In use, first by fixed plate 1 with two alignment pins 5 and mode connects for screw on special fixture, be loaded on overall leaf
Disk, the U-shaped portable plate 2 with angular positioning key 3 is then loaded on, the angular positioning key 3 of the device is put into blisk
In the technology groove of end face, realize that fast accurate centering positions, now processed the blade type face benchmark and precision ECM of blisk
Lathe zero point overlaps, and compresses blisk, finally disassembles U-shaped portable plate 2, ensures that electrode is without interference in Electrolyzed Processing.
Above example is merely to illustrate technical scheme rather than its limitations, although with reference to above-described embodiment pair
The present invention is described in detail, and those of ordinary skill in the art can still be carried out to specific embodiments of the present invention
Modification or equivalent substitution, and these are without departing from any modification of spirit and scope of the invention or equivalent substitution, it exists
Within the claims of the present invention.
Claims (7)
- A kind of 1. angular positioning alignment device for precision ECM processing blisk, it is characterised in that：Including fixed plate (1), U-shaped portable plate (2) and angular positioning key (3)；Fixed plate (1) one end is connected with fixture (6), and the other end is connected with U-shaped portable plate (2) front end, U-shaped portable plate (2) rear end The outside of blisk end face is extended to, angular positioning key (3) peace turns in U-shaped portable plate (2) rearward end, angular positioning key (3) side and the end face technology groove gap of blisk, which coordinate, plays the role of positioning.
- 2. a kind of angular positioning alignment device for precision ECM processing blisk according to claim 1, it is special Sign is：Described angular positioning key (3) side is long key, opposite side is short key, is offered in U-shaped portable plate (2) rearward end short The end face technology groove gap of groove, the long key side of angular positioning key (3) and blisk coordinates, short key side and U-shaped portable plate (2) Short groove interference fit.
- 3. a kind of angular positioning alignment device for precision ECM processing blisk according to claim 1 or 2, its It is characterised by：The long key that fixed plate (1) extends along a length thereof, long key and the locating slot on U-shaped portable plate (2) of fixed plate (1) It is slidably matched, and the screw lock by being sunken in U-shaped portable plate (2).
- 4. a kind of angular positioning alignment device for precision ECM processing blisk according to claim 3, it is special Sign is：Fixed plate (1) and U-shaped portable plate (2) fit clearance are not more than 0.01mm, and with three M8 screw locks.
- 5. a kind of angular positioning alignment device for precision ECM processing blisk according to claim 3, it is special Sign is：Fixed plate (1) offers two positioning holes and two screwed holes close to jockey one end, passes through two alignment pins (5) realize and position with positioning hole interference fits, fixed plate (1) is pressed on fixture (6) by two screws.
- 6. a kind of angular positioning alignment device for precision ECM processing blisk according to claim 3, it is special Sign is：Angular positioning all parts of alignment device should be all made from stainless steel material.
- 7. a kind of angular positioning alignment device for precision ECM processing blisk according to claim 3, it is special Sign is：The connecting portion of angular positioning key (3) offers the waist type for adjusting its axial location on U-shaped portable plate (2) Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900390.1A CN107570819A (en) | 2017-09-28 | 2017-09-28 | A kind of angular positioning alignment device for precision ECM processing blisk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900390.1A CN107570819A (en) | 2017-09-28 | 2017-09-28 | A kind of angular positioning alignment device for precision ECM processing blisk |
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| Publication Number | Publication Date |
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| CN107570819A true CN107570819A (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900390.1A Pending CN107570819A (en) | 2017-09-28 | 2017-09-28 | A kind of angular positioning alignment device for precision ECM processing blisk |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281080A (en) * | 2019-06-24 | 2019-09-27 | 中国航发动力股份有限公司 | A kind of groove angle is to automatic capturing method |
| CN110773830A (en) * | 2019-11-07 | 2020-02-11 | 中国航空制造技术研究院 | Accurate positioning device and method for thin-wall shell electrolytic forming |
| CN112658735A (en) * | 2020-12-31 | 2021-04-16 | 北京航空航天大学 | Clamp for linear cutting and forming grinding of turbine disc inclined tenon groove and mounting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201669572U (en) * | 2010-03-25 | 2010-12-15 | 西北工业大学 | Closed blisk numerical control processing positioning clamp |
| CN201815761U (en) * | 2010-08-31 | 2011-05-04 | 常州减速机总厂有限公司 | Linear cutting and tooth alignment clamp used for reduction gear |
| CN204135755U (en) * | 2014-10-24 | 2015-02-04 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of magic chuck for compressor disc tongue-and-groove angle location |
| CN106181477A (en) * | 2016-08-16 | 2016-12-07 | 中航湖南通用航空发动机有限公司 | The processing method of special-shaped groove between a kind of assembling clamp and stator blade |
-
2017
- 2017-09-28 CN CN201710900390.1A patent/CN107570819A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201669572U (en) * | 2010-03-25 | 2010-12-15 | 西北工业大学 | Closed blisk numerical control processing positioning clamp |
| CN201815761U (en) * | 2010-08-31 | 2011-05-04 | 常州减速机总厂有限公司 | Linear cutting and tooth alignment clamp used for reduction gear |
| CN204135755U (en) * | 2014-10-24 | 2015-02-04 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of magic chuck for compressor disc tongue-and-groove angle location |
| CN106181477A (en) * | 2016-08-16 | 2016-12-07 | 中航湖南通用航空发动机有限公司 | The processing method of special-shaped groove between a kind of assembling clamp and stator blade |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281080A (en) * | 2019-06-24 | 2019-09-27 | 中国航发动力股份有限公司 | A kind of groove angle is to automatic capturing method |
| CN110773830A (en) * | 2019-11-07 | 2020-02-11 | 中国航空制造技术研究院 | Accurate positioning device and method for thin-wall shell electrolytic forming |
| CN110773830B (en) * | 2019-11-07 | 2020-09-08 | 中国航空制造技术研究院 | Accurate positioning method for thin-wall shell electrolytic forming |
| CN112658735A (en) * | 2020-12-31 | 2021-04-16 | 北京航空航天大学 | Clamp for linear cutting and forming grinding of turbine disc inclined tenon groove and mounting method |
| CN112658735B (en) * | 2020-12-31 | 2022-04-29 | 北京航空航天大学 | Clamp for linear cutting and forming grinding of turbine disc inclined tenon groove and mounting method |
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Application publication date: 20180112 |
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