CN106475443A - A kind of precision corrector of aircraft engine casing - Google Patents
A kind of precision corrector of aircraft engine casing Download PDFInfo
- Publication number
- CN106475443A CN106475443A CN201610834658.1A CN201610834658A CN106475443A CN 106475443 A CN106475443 A CN 106475443A CN 201610834658 A CN201610834658 A CN 201610834658A CN 106475443 A CN106475443 A CN 106475443A
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- Prior art keywords
- casing
- forcing press
- corrector
- rubber
- lobe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of precision corrector of aircraft engine casing，Including forcing press upper beam、Guide pillar、The forcing press that forcing press underbeam connects into，Between forcing press upper beam and forcing press underbeam, corrector is extruded using polyurethane or rubber pocket hydraulic pressure corrector corrects shape to casing，Casing outer wall is fitted with multiple points of lobe inner membrance inwalls，Casing lower surface is fitted with segmental mandrel base plate，Multiple points of lobe inner membrances are connected on segmental mandrel base plate，Segmental mandrel base plate is arranged in the annular groove of forcing press underbeam，Casing upper surface is fitted with the inner chamber upper surface of point lobe adventitia，Fitted with the outer wall of point lobe inner membrance in the inner chamber side dividing lobe adventitia，Lobe adventitia is divided to be connected with segmental mandrel base plate by fastening bolt，The present invention extrudes corrector by valving die using polyurethane or rubber pocket hydraulic pressure corrector carries out the accurate school in local shape to casing，There is sizing precision high，High yield rate，The advantage of efficiency high.
Description
Technical field
The present invention relates to aircraft engine casing school shape technical field is and in particular to a kind of precision of aircraft engine casing
Corrector.
Technical background
Aircraft engine casing is that possess different structure by each several part and the molectron of functional requirement is welded, and is one
Plant typical thin walled welds part, in processing and welding process, casing all can be led to deform, affect casing precision.Solve at this stage
Certainly the major measure of casing deformation is after the completion of casing processing welding, taps casing deformation position, phase by hand by skilled industrial worker
Hope the deformation deviation reducing casing.This method relies primarily on the experience of skilled industrial worker, and efficiency is low, and yield rate is low.
Content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of essence of aircraft engine casing
Close corrector, it is possible to increase the yield rate of product, improves work efficiency.
In order to achieve the above object, the technical scheme that the present invention takes is：
A kind of precision corrector of aircraft engine casing, including forcing press upper beam 2, guide pillar 11, forcing press underbeam 12
The forcing press connecting into, adopts polyurethane extruding corrector or rubber cyst fluid between forcing press upper beam 2 and forcing press underbeam 12
Pressure corrector casing 9 is corrected shape, casing 9 outer wall fit with multiple points of lobe inner membrance 8 inwalls, casing 9 lower surface and divide a lobe
Baffle plate 10 is fitted, and multiple points of lobe inner membrances 8 are connected on segmental mandrel base plate 10, and segmental mandrel base plate 10 is arranged on forcing press underbeam 12
Annular groove in；Casing 9 upper surface is fitted with the inner chamber upper surface of point lobe adventitia 5, divides inner chamber side and point lobe of lobe adventitia 5
The outer wall laminating of inner membrance 8, a point lobe adventitia 5 is connected with segmental mandrel base plate 10 by fastening bolt 4.
Described polyurethane extruding corrector includes hydraulic cylinder 1 and lower hydraulic cylinder 13, upper hydraulic cylinder 1, lower hydraulic cylinder
13 be separately mounted to forcing press upper beam 2, on forcing press underbeam 13, the piston rod of upper hydraulic cylinder 1 connects upper mobile platform 3, lower liquid
The piston rod of cylinder pressure 13 connects lower mobile platform 7, places polyurethane 6, upper movement in the middle of upper mobile platform 3 and lower mobile platform 7
Platform 3, lower mobile platform 7 and polyurethane 6 are located in the inner chamber of casing 9.
Described rubber pocket hydraulic pressure corrector includes hydraulic cylinder 1, and the piston rod of upper hydraulic cylinder 1 is flat with rubber pocket work
Platform 14 connects, and rubber pocket work platformses 14 are located in the inner chamber of casing 9, and rubber pocket work platformses 14 are by mobile station 14-2, rubber
Inner tube of a tyre 14-5 and rubber cover tire 14-4 composition, installs the rubber inner tube of a tyre 14-5, rubber inner tube of a tyre 14- of annular in mobile station 14-2 groove
The rubber cover tire 14-4 of annular is installed in 5 outsides, and rubber cover tire 14-4 passes through L-shaped fixed plate 14-3 using being bolted to mobile station
On 14-2, rubber inner tube of a tyre 14-5 and mobile station 14-2 are passed through sealing ring 14-6 and are realized sealing, and mobile station 14-2 is machined with oil circuit
14-1.
Beneficial effects of the present invention are：Polyurethane is utilized to extrude corrector or rubber pocket hydraulic pressure school by valving die
Shape dress is put and casing is carried out with the accurate school in local shape, has sizing precision height, high yield rate, the advantage of efficiency high.
Brief description
Fig. 1 adopts polyurethane to extrude the sectional view of corrector for the present invention.
Fig. 2 is casing axonometric drawing.
Fig. 3 is segmental mandrel base plate axonometric drawing.
Fig. 4 is a point lobe inner membrance axonometric drawing.
Fig. 5 adopts the sectional view of rubber pocket hydraulic pressure corrector for the present invention.
The rubber pocket workbench sectional view of Fig. 6 present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in further detail.
Embodiment 1, with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of precision corrector of aircraft engine casing, including pressure
The forcing press that power machine upper beam 2, guide pillar 11, forcing press underbeam 12 connect into, adopts between forcing press upper beam 2 and forcing press underbeam 12
Polyurethane extruding corrector corrects shape to casing 9, and casing 9 outer wall is fitted with multiple points of lobe inner membrance 8 inwalls, casing 9 following table
Fitted with the locating slot 10-1 of segmental mandrel base plate 10 in face, the dovetail slideway 8-2 of multiple points of lobe inner membrances 8 passes through dovetail groove 10-2 even
It is connected on segmental mandrel base plate 10, segmental mandrel base plate 10 is arranged in the annular groove of forcing press underbeam 12；Casing 9 upper surface with point
The inner chamber upper surface laminating of lobe adventitia 5, fitted with the outer wall of point lobe inner membrance 8 in the inner chamber side of point lobe adventitia 5, point lobe adventitia 5 leads to
Cross fastening bolt 4 to be connected with segmental mandrel base plate 10；
Described polyurethane extruding corrector includes hydraulic cylinder 1 and lower hydraulic cylinder 13, upper hydraulic cylinder 1, lower hydraulic cylinder
13 forcing press upper beam 2 is separately mounted to by bolt, on forcing press underbeam 13, the piston rod of upper hydraulic cylinder 1 connects mobile flat
Platform 3, the piston rod of lower hydraulic cylinder 13 connects lower mobile platform 7, places polyurethane in the middle of upper mobile platform 3 and lower mobile platform 7
6, upper mobile platform 3, lower mobile platform 7 and polyurethane 6 are located in the inner chamber of casing 9.
Embodiment 2, referring to Fig. 5, Fig. 6, a kind of precision corrector of aircraft engine casing, including forcing press upper beam 2,
The forcing press that guide pillar 11, forcing press underbeam 12 connect into, adopts rubber pocket hydraulic pressure between forcing press upper beam 2 and forcing press underbeam 12
Corrector corrects shape to casing 9, and casing 9 outer wall is fitted with multiple points of lobe inner membrance 8 inwalls, casing 9 lower surface and segmental mandrel
The locating slot 10-1 laminating of base plate 10, the dovetail slideway 8-2 of multiple points of lobe inner membrances 8 is connected to segmental mandrel by dovetail groove 10-2
On base plate 10, segmental mandrel base plate 10 is arranged in the annular groove of forcing press underbeam 12；Casing 9 upper surface and point lobe adventitia 5
Inner chamber upper surface is fitted, and is fitted with the outer wall of point lobe inner membrance 8 in the inner chamber side of point lobe adventitia 5, and point lobe adventitia 5 passes through fastening bolt
4 are connected with segmental mandrel base plate 10.
Described rubber pocket hydraulic pressure corrector includes hydraulic cylinder 1, and the piston rod of upper hydraulic cylinder 1 is flat with rubber pocket work
Platform 14 connects, and rubber pocket work platformses 14 are located in the inner chamber of casing 9, and rubber pocket work platformses 14 are by mobile station 14-2, rubber
Inner tube of a tyre 14-5 and rubber cover tire 14-4 composition, installs the rubber inner tube of a tyre 14-5, rubber inner tube of a tyre 14- of annular in mobile station 14-2 groove
The rubber cover tire 14-4 of annular is installed in 5 outsides, and rubber cover tire 14-4 passes through L-shaped fixed plate 14-3 using being bolted to mobile station
On 14-2, rubber inner tube of a tyre 14-5 and mobile station 14-2 are passed through sealing ring 14-6 and are realized sealing, and mobile station 14-2 is machined with oil circuit
14-1.
The operation principle of the present invention is：
Assembling process：First multiple points of lobe inner membrances 8 are passed through dovetail slideway 8-2 to pass through respectively on segmental mandrel base plate 10
Multiple dovetail groove 10-2 are tentatively arranged on segmental mandrel base plate 10, then the lower surface of casing 9 are arranged on segmental mandrel base plate 10
Locating slot 10-1 in, adjustment casing 9 the position in locating slot 10-1 make boss 9-1 on casing 9 respectively with a point lobe inner membrance 8
Groove 8-1 cooperation；A point lobe adventitia 5 is installed, lobe adventitia 5 will be divided to be connected with segmental mandrel base plate 10 by multiple fastening bolts 4, complete
Become the assembling of school shape mould；During using polyurethane extruding corrector, first lower mobile platform 7 is arranged on the work of lower hydraulic cylinder 13
On stopper rod, polyurethane 6 is placed on mobile platform 7, then high-ranking officers' shape mould installion is in the annular groove of forcing press underbeam 12
In, finally upper mobile platform 3 is arranged on the piston rod of upper hydraulic cylinder 1, polyurethane extruding corrector is completed；Use
During rubber pocket hydraulic pressure corrector, high-ranking officers' shape mould installion first, in the annular groove of forcing press underbeam 12, then installs rubber
Leather bag work platformses 14, rubber pocket hydraulic pressure corrector is completed.
School shape process：During using polyurethane extruding corrector, first with simultaneously mobile upper mobile platform 3 He of identical speed
Lower mobile platform 7, so that polyurethane 6 middle part is located at the surface of casing 9, then moves down mobile platform 3, extrudes polyurethane
6, polyurethane 6 deforms under pressure, and the deformation position of extruding casing 9 is so as to be close to a point lobe inner membrance 8, the change of casing 9
There is plastic deformation in shape position；After maintaining the pressure a bit of time, move down lower mobile platform 7, so that polyurethane 6 is recovered, so
Move down mobile platform 3 afterwards again, extrude polyurethane 6 again；Repeat aforesaid operations, until completing the school shape to casing 9.
During using rubber pocket hydraulic pressure corrector, move rubber pocket workbench 14 first, make to be located at casing 9 in the middle part of rubber cover tire 14-4
Upper flange portion, then passes through oil circuit 14-1 and injects hydraulic oil to rubber inner tube of a tyre 14-5, rubber inner tube of a tyre 14-5 acts in pressure and sends out
Change shape, extrudes rubber cover tire 14-5, and then extrudes the deformation position of casing 9 so as to be close to a point lobe inner membrance 8, the deformation of casing 9
There is plastic deformation in position；After maintaining the pressure a bit of time, reduce the pressure in rubber inner tube of a tyre 14-5, make rubber inner tube of a tyre 14-5
Recover, then move down rubber pocket workbench 14 again, inject hydraulic oil to the rubber inner tube of a tyre again, repeat aforesaid operations, directly
To completing the school shape to casing 9.
Claims (3)
1. a kind of precision corrector of aircraft engine casing, including forcing press upper beam (2), guide pillar (11), forcing press underbeam
(12) forcing press that connects into it is characterised in that：Polyurethane is adopted to extrude between forcing press upper beam (2) and forcing press underbeam (12)
Corrector or rubber pocket hydraulic pressure corrector correct shape to casing (9), and casing (9) outer wall is interior with multiple points of lobe inner membrances (8)
Wall is fitted, and casing (9) lower surface is fitted with segmental mandrel base plate (10), and multiple points of lobe inner membrances (8) are connected to segmental mandrel base plate (10)
On, segmental mandrel base plate (10) is arranged in the annular groove of forcing press underbeam (12)；Casing (9) upper surface and a point lobe adventitia (5)
The laminating of inner chamber upper surface, being fitted with the outer wall of point lobe inner membrance (8) in the inner chamber side of point lobe adventitia (5), divides a lobe adventitia (5) to pass through
Fastening bolt (4) is connected with segmental mandrel base plate (10).
2. a kind of aircraft engine casing according to claim 1 precision corrector it is characterised in that：Described is poly-
Urethane extruding corrector includes hydraulic cylinder (1) and lower hydraulic cylinder (13), and upper hydraulic cylinder (1), lower hydraulic cylinder (13) are pacified respectively
Be contained in forcing press upper beam (2), on forcing press underbeam (13), the piston rod of upper hydraulic cylinder (1) connects upper mobile platform (3), lower liquid
The piston rod of cylinder pressure (13) connects lower mobile platform (7), places polyurethane in the middle of upper mobile platform (3) and lower mobile platform (7)
(6), upper mobile platform (3), lower mobile platform (7) and polyurethane (6) are located in the inner chamber of casing (9).
3. a kind of aircraft engine casing according to claim 1 precision corrector it is characterised in that：Described rubber
Leather bag hydraulic corrector includes hydraulic cylinder (1), and the piston rod of upper hydraulic cylinder (1) is connected with rubber pocket work platformses (14),
Rubber pocket work platformses (14) are located in the inner chamber of casing (9), and rubber pocket work platformses (14) are by mobile station (14-2), rubber
Tire (14-5) and rubber cover tire (14-4) composition, install the rubber inner tube of a tyre (14-5) of annular, rubber in mobile station (14-2) groove
The rubber cover tire (14-4) of annular is installed outside the inner tube of a tyre (14-5), rubber cover tire (14-4) passes through L-shaped fixed plate (14-3) and utilizes
It is bolted in mobile station (14-2), the rubber inner tube of a tyre (14-5) and mobile station (14-2) are realized close by sealing ring (14-6)
Envelope, mobile station (14-2) is machined with oil circuit (14-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834658.1A CN106475443B (en) | 2016-09-20 | 2016-09-20 | A kind of precision corrector of aircraft engine casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834658.1A CN106475443B (en) | 2016-09-20 | 2016-09-20 | A kind of precision corrector of aircraft engine casing |
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| Publication Number | Publication Date |
|---|---|
| CN106475443A true CN106475443A (en) | 2017-03-08 |
| CN106475443B CN106475443B (en) | 2018-07-03 |
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ID=58267496
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610834658.1A Active CN106475443B (en) | 2016-09-20 | 2016-09-20 | A kind of precision corrector of aircraft engine casing |
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| Country | Link |
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| CN (1) | CN106475443B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530495A (en) * | 2018-12-29 | 2019-03-29 | 无锡市振华亿美嘉科技有限公司 | Lock support oral area shaping mould |
| CN110355985A (en) * | 2019-07-17 | 2019-10-22 | 西安交通大学 | A kind of rubber pocket precision corrector of large scale circular piece |
| CN112371776A (en) * | 2020-10-22 | 2021-02-19 | 中国航发贵州黎阳航空动力有限公司 | Vacuum thermal sizing die and method for engine support case |
| CN113579130A (en) * | 2021-07-29 | 2021-11-02 | 武汉理工大学 | Rolling method of special-shaped thin-wall casing ring forging with external island boss |
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| SU1057140A1 (en) * | 1981-09-03 | 1983-11-30 | Новосибирский Инструментальный Завод | Automated die for straightening and gauging billets with elongated axis |
| CN2242742Y (en) * | 1996-02-14 | 1996-12-18 | 朱思泉 | Cut-to-length flat-steel shaping machine |
| CN102069109A (en) * | 2010-11-04 | 2011-05-25 | 西安航空动力股份有限公司 | Correction device and correction method for inner ring of engine crankcase |
| JP2014200795A (en) * | 2013-04-01 | 2014-10-27 | カルソニックカンセイ株式会社 | Fin height correction apparatus |
| CN204208926U (en) * | 2014-10-29 | 2015-03-18 | 上海瑞源印刷设备有限公司 | Aluminium flake printing distortion leveling apparatus |
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2016
- 2016-09-20 CN CN201610834658.1A patent/CN106475443B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1057140A1 (en) * | 1981-09-03 | 1983-11-30 | Новосибирский Инструментальный Завод | Automated die for straightening and gauging billets with elongated axis |
| CN2242742Y (en) * | 1996-02-14 | 1996-12-18 | 朱思泉 | Cut-to-length flat-steel shaping machine |
| CN102069109A (en) * | 2010-11-04 | 2011-05-25 | 西安航空动力股份有限公司 | Correction device and correction method for inner ring of engine crankcase |
| JP2014200795A (en) * | 2013-04-01 | 2014-10-27 | カルソニックカンセイ株式会社 | Fin height correction apparatus |
| CN204208926U (en) * | 2014-10-29 | 2015-03-18 | 上海瑞源印刷设备有限公司 | Aluminium flake printing distortion leveling apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530495A (en) * | 2018-12-29 | 2019-03-29 | 无锡市振华亿美嘉科技有限公司 | Lock support oral area shaping mould |
| CN110355985A (en) * | 2019-07-17 | 2019-10-22 | 西安交通大学 | A kind of rubber pocket precision corrector of large scale circular piece |
| CN112371776A (en) * | 2020-10-22 | 2021-02-19 | 中国航发贵州黎阳航空动力有限公司 | Vacuum thermal sizing die and method for engine support case |
| CN112371776B (en) * | 2020-10-22 | 2023-03-24 | 中国航发贵州黎阳航空动力有限公司 | Vacuum thermal sizing die and method for engine support case |
| CN113579130A (en) * | 2021-07-29 | 2021-11-02 | 武汉理工大学 | Rolling method of special-shaped thin-wall casing ring forging with external island boss |
| CN113579130B (en) * | 2021-07-29 | 2022-07-22 | 武汉理工大学 | Rolling method for special-shaped thin-wall casing ring forging with external island bosses |
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| Publication number | Publication date |
|---|---|
| CN106475443B (en) | 2018-07-03 |
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