CN206153640U - Profile prosthetic devices in cellular embedding of engine piece - Google Patents
Profile prosthetic devices in cellular embedding of engine piece Download PDFInfo
- Publication number
- CN206153640U CN206153640U CN201621230719.5U CN201621230719U CN206153640U CN 206153640 U CN206153640 U CN 206153640U CN 201621230719 U CN201621230719 U CN 201621230719U CN 206153640 U CN206153640 U CN 206153640U
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- honeycomb
- embedded block
- stencil master
- pressing plate
- inner mold
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Abstract
The utility model relates to a profile prosthetic devices in cellular embedding of engine piece, including base, stencil master, fixture and stop gear, the base comprises bottom plate and two risers, and the bottom plate top is located in parallel to each other to two risers, and the stencil master is installed between two risers, and the stencil master extension that can follow the riser comes and goes the direction swing, fixture fixes at the top of stencil master, the cellular embedding of engine clamp in block on fixture, the both sides of base still are equipped with the stop gear that can restrict the stencil master amplitude of fluctuation respectively. The utility model has the advantages of: repair costs is low, and is efficient, can reduce cellular embedding piece and repair the disability rate, reduces intensity of labour, and the restoration precision is high.
Description
Technical field
The utility model is related to aircraft engine maintenance field, and particularly a kind of honeycomb of engine shape embedded block inner mold face is repaiied
Apparatus for coating.
Background technology
The stable densification device of aero-engine radial clearance, be by more than one piece annulus, with radial direction pin fix it is cellular embedding
Enter the loop component of the parts such as block, thermal insulation board composition.
Big state is carried out in aero-engine（The states such as maximum, reinforcing）During work, high-pressure turbine blade tip and turbine casing
Gas leakage between inwall can reduce the operating efficiency of high-pressure turbine.Using the aeroplane engine of the stable densification device of radial clearance
Machine, when big operation is carried out, the radial drawing under heat and centrifugal action of its high-pressure turbine disk and blade, and then make radially
Gap reduces, and air leakage reduces, and high-pressure turbine working efficiency is improved.When leaf elongation is with cellular embedded block brought into incidental contact,
Cellular embedded block is preferentially set to produce abrasion, it is to avoid vane tip is damaged.
Cellular embedded block is washed away in high temperature, high-speed fuel gas, high relative velocity is touched and worked in the pole harsh environments such as mill.Its master
Failure mode is wanted to have inner mold surface wear, thermal deformation, crackle, fall block etc..It is the main of cellular embedded block that inner mold surface wear is overproof
Scrap one of reason.Part inner mold face section physical characteristic, the geometric properties all same, external surface is honeycomb structure slot structure,
Inner mold face is circumferential multiple row equidistantly comb tooth projection, and shape is more complicated, recovers extremely difficult.At present conventional whole machine troubleshooting method is
Cellular embedded block is changed, but frequently changing cellular embedded block new product can greatly improve purchase cost, while can be purchased
Cycle influences postponement production progress.The restorative procedure for generally adopting in production at present, is by overproof cellular of inner mold surface wear
Embedded block collection it is neat it is complete after, be spliced into the domain, the inner mold face comb tooth milling for wearing and tearing overproof is removed, using extraordinary technique for overlaying pair
Inner mold face carries out spreading, then after the milling of built-up welding region is put down, processes inner mold face comb tooth, realizes the reparation of cellular embedded block.Adopt
With the mode of the splicing domain, the clamping tooling size of needs is larger, and the positioning mode and mode of operation of its frock is more complicated；Spelling
Need to collect part during connecing the domain complete, however the overproof degree of monolithic honeycomb shape embedded block and milling depth require to have with
Machine, being repaired using the complete mode of collection part can cause the wasting of resources；Simultaneously task quantity randomness is big, and the method flexibility is low,
There is a possibility that to drag slow manufacturing schedule, while improve the probability of the mixed platform of multiple stage part.
Cellular embedded block is the strength member of aero-engine, and its manufacturing process is complicated, high cost, and Service Environment is severe
Category is easily scrapped.Realize that embedded block inner mold face is recovered using specific aim device, be to reduce the effective way scrapped, while being also to improve
Efficiency is repaired, labour intensity effective measures are reduced.
Utility model content
The purpose of this utility model is the shortcoming for overcoming prior art, there is provided a kind of honeycomb of engine shape embedded block inner mold
Face prosthetic device, rehabilitation cost is low, efficiency high, can reduce cellular embedded block and repair scrappage, reduces labour intensity, repairs
High precision.
The purpose of this utility model is achieved through the following technical solutions：Repair in a kind of honeycomb of engine shape embedded block inner mold face
Apparatus for coating, including base, stencil master, clamping device and position-limit mechanism, the base is made up of base plate and two pieces of risers, two pieces
In parallel to each other located at base plate top, stencil master is arranged between two pieces of risers riser, and stencil master can be along riser
Extend travel directions to swing, the clamping device is fixed on the top of stencil master, and honeycomb of engine shape embedded block is clamped in folder
Hold in mechanism, the both sides of the base further respectively have the position-limit mechanism that can limit stencil master amplitude of fluctuation.
Bearing group is installed, the lower surface of the stencil master is provided with profiling cambered surface, bearing group between two pieces of risers
Outer peripheral surface it is tangent with profiling cambered surface, groove is offered on the stencil master, the lower surface of groove is provided with arc-shaped rack, institute
State and also sprocket drive spindle is installed by bearing between two pieces of risers, the gear parts of gear shaft are engaged with the arc-shaped rack, described
The end of gear shaft is also associated with the rocking arm of gear shaft rotation.
The axis of the arc-shaped rack and the dead in line of profiling cambered surface.
The bearing group is ball bearing group.
The clamping device includes pedestal, axial baffle, circumferential baffle plate, circumferential pressing plate and axial pressing plate, and axial baffle is solid
It is scheduled on the first side wall of pedestal, axial pressing plate is arranged in the second sidewall of pedestal, axial baffle sets in opposite directions with axial pressing plate
Put, the common axial movement for limiting honeycomb of engine shape embedded block, circumferential baffle plate is fixed on the 3rd side wall of pedestal, circumferential pressure
Plate is arranged on the 4th side wall of pedestal, and circumferential baffle plate is oppositely arranged with circumferential pressing plate, and the common honeycomb of engine shape that limits is embedded in
Block is circumferentially rotated.
Be provided with the blind hole vertical with circumferential pressing plate on 4th side wall of the pedestal, the blind hole built with stage clip, the week
Coordinate on pressing plate and adjusting screw is housed, front end and the pedestal of adjusting screw are connected by screw thread, screw adjusting screw, week
It is pressed on stage clip to pressing plate.
The position-limit mechanism includes postive stop baffle and stop screw, and the lower end of postive stop baffle is fixed on the side wall of base,
Upper end is provided with stop screw.
The utility model has advantages below：
1st, profile modeling is utilized, amplifies milling track, using the stencil master of cellular embedded block, standard is embedding according to amplifying
Enter block track carries out profile milling to embedded block inner mold face, and cost of manufacture is cheap, simple to operate.
2nd, drive cellular embedded block to do the motion of standard embedded block inner mold face by stencil master, improve control accuracy.
3rd, rotated by rocking arm gear shaft, so as to drive stencil master to swing, reduce operator's labour intensity,
Improve working (machining) efficiency
4th, using device of the present utility model cellular embedded block Precision Machining can be made to be no longer limited to splicing cyclization, is subtracted
Lack the wasting of resources caused due to milling depth difference, using the profile milling fixture of cellular embedded block, improve production
Efficiency, improves the stability of product quality, improves the flexibility of reply production task；Meanwhile, repair cellular embedded block
Multiple supportability is effectively lifted.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the assembling schematic diagram of stencil master and clamping device；
Fig. 3 is the structural representation of clamping device；
Fig. 4 is the first sectional view of the present utility model；
Fig. 5 is the second sectional view of the present utility model；
In figure：1- bases, 2- stencil masters, 3- clamping devices, 4- rocking arms, 5- postive stop baffles, 6- stop screws, 7- arcs
Tooth bar, 8- gear shafts, 9- profiling cambered surfaces, 10- bearing groups, 11- pedestals, 12- axial baffles, 13- circumference baffle plates, 14- is circumferentially pressed
Plate, 15- axial directions pressing plate, 17- stage clips, 18- adjusting screws.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings, but protection domain of the present utility model is not limited to
Described below.
The arbitrary dot thickness all same of honeycomb of engine shape embedded block, interior is the standard round that concentric, radius is fixed with outer mold surface
Segmental arc, part different cross section physical form, geometric properties are identical.
As shown in figure 1, a kind of honeycomb of engine shape embedded block inner mold face prosthetic device, including base 1, stencil master 2, folder
Mechanism 3 and position-limit mechanism are held, the base 1 is made up of base plate and two pieces of risers, two pieces of risers are located in parallel to each other on base plate
Side, stencil master 2 is arranged between two pieces of risers, and stencil master 2 can swing along the extension travel directions of riser, the folder
The top that mechanism 3 is fixed on stencil master 2 is held, honeycomb of engine shape embedded block 16 is clamped on clamping device 3, the base 1
Both sides further respectively have the position-limit mechanism that can limit the amplitude of fluctuation of stencil master 2.
As shown in Figure 2 and Figure 5, bearing group 10 is installed between two pieces of risers, the lower surface of the stencil master 2 sets
There is profiling cambered surface 9, the outer peripheral surface of bearing group 10 is tangent with profiling cambered surface 9, and on the stencil master 2 groove, groove are offered
Lower surface be provided with arc-shaped rack 7, between two pieces of risers also by bearing install sprocket drive spindle 8, the gear part of gear shaft 8
Divide and engaged with the arc-shaped rack 7, the end of the gear shaft 8 is also associated with the Rocker arm 4 of the rotation of gear shaft 8.
As preferred, the axis of the arc-shaped rack 7 and the dead in line of profiling cambered surface 9.
Used as preferred, the bearing group 10 is ball bearing group.
As shown in figure 3, the clamping device 3 includes pedestal 11, axial baffle 12, circumferential baffle plate 13, the circumferential and of pressing plate 14
Axial pressing plate 15, axial baffle 12 is fixed on the first side wall of pedestal 11, and axial pressing plate 15 is arranged on the second side of pedestal 11
On wall, axial baffle 12 is oppositely arranged with axial pressing plate 15, the common axial movement for limiting honeycomb of engine shape embedded block 16, week
It is fixed on the 3rd side wall of pedestal 11 to baffle plate 13, circumferential pressing plate 14 is arranged on the 4th side wall of pedestal 11, circumferential baffle plate
13 are oppositely arranged with circumferential pressing plate 14, common to limit circumferentially rotating for honeycomb of engine shape embedded block 16.
As shown in figure 4, being provided with the blind hole vertical with circumferential pressing plate 14 on the 4th side wall of the pedestal 11, the blind hole is built-in
There is stage clip 17, coordinate on the circumferential pressing plate 14 and adjusting screw 18 is housed, front end and the pedestal 11 of adjusting screw 18 pass through screw thread
It is connected, screws adjusting screw 18, circumferential pressing plate 14 is pressed on stage clip 17.
As illustrated in figure 1 or 4, the position-limit mechanism includes postive stop baffle 5 and stop screw 6, and the lower end of postive stop baffle 5 is consolidated
It is scheduled on the side wall of base 1, upper end is provided with stop screw 6.
Using a kind of restorative procedure of the inner mold face prosthetic device of honeycomb of engine shape embedded block 16, comprise the following steps：
S1, processing stencil master 2：Will according to the design size and precision of the engineering drawing of honeycomb of engine shape embedded block 16
Ask, using three-coordinates measuring machine micron order measurement is made to standard honeycomb embedded block, using profile modeling, standard is polished track
Jing profilings are amplified, and process the stencil master 2 of the reconditioning track of honeycomb of engine shape embedded block 16；
S2, assembling：Stencil master 2 is mounted on base 1 so that bearing group 10 is fitted in profiling cambered surface 9, gear shaft 8
Engage with arc-shaped rack 7, honeycomb of engine shape embedded block 16 is fixed on clamping device 3 so that honeycomb of engine shape is embedded in
The axis in the inner mold face of block 16 and the dead in line of profiling cambered surface 9；
S3, reconditioning：The prosthetic device is fixed on milling machine table, milling cutter is carried out after aim at tool operation, rotate rocking arm
4, gear shaft 8 is rotated, and drives a side oscillation of the stencil master 2 to base 1, and milling cutter is to honeycomb of engine shape embedded block 16
Inner mold face carries out reconditioning, when the side wall of stencil master 2 encounters the position-limit mechanism of the side of base 1, rotates backward Rocker arm 4, profiling
Template 2 until encountering the position-limit mechanism of the opposite side of base 1, rotates Rocker arm 4, until reconditioning repeatedly to another side oscillation of base 1
Reach requirement.
S4, dismounting：After the completion of reconditioning, control milling machine lifts milling cutter, and turn Rocker arm 4 makes clamping device 3 return in base 1
Heart position, unclamps respectively circumferential pressing plate 14, releases circumferential clamping, unclamps axial pressing plate 15, releases axially clamping, removes engine
Cellular embedded block 16.
When milling cutter carries out aim at tool operation, calibrate through scale measurement, by milling cutter alignment honeycomb of engine shape embedded block 16
The minimum tangent position in type face, the milling amount and precision according to needed for processing, is carried out presetting to milling machine.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (7)
1. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device, it is characterised in that：Including base（1）, stencil master
（2）, clamping device（3）And position-limit mechanism, the base（1）It is made up of base plate and two pieces of risers, two pieces of risers are in parallel to each other
Located at base plate top, stencil master（2）Between two pieces of risers, and stencil master（2）Can come and go along the extension of riser
Direction swings, the clamping device（3）It is fixed on stencil master（2）Top, honeycomb of engine shape embedded block is clamped in clamping
Mechanism（3）On, the base（1）Both sides further respectively have and can limit stencil master（2）The position-limit mechanism of amplitude of fluctuation.
2. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device according to claim 1, it is characterised in that：Described two
Bearing group is installed between block riser（10）, the stencil master（2）Lower surface be provided with profiling cambered surface（9）, bearing group（10）
Outer peripheral surface and profiling cambered surface（9）It is tangent, the stencil master（2）On offer groove, the lower surface of groove is provided with arc
Tooth bar（7）, also sprocket drive spindle is installed by bearing between two pieces of risers（8）, gear shaft（8）Gear parts and the arc
Shape tooth bar（7）Engagement, the gear shaft（8）End be also associated with gear shaft（8）The rocking arm of rotation（4）.
3. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device according to claim 2, it is characterised in that：The arc
Shape tooth bar（7）Axis and profiling cambered surface（9）Dead in line.
4. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device according to claim 2, it is characterised in that：The axle
Hold group（10）For ball bearing group.
5. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device according to claim 1, it is characterised in that：The folder
Hold mechanism（3）Including pedestal（11）, axial baffle（12）, circumferential baffle plate（13）, circumferential pressing plate（14）With axial pressing plate（15）, axle
To baffle plate（12）It is fixed on pedestal（11）The first side wall on, axial pressing plate（15）Installed in pedestal（11）Second sidewall on,
Axial baffle（12）With axial pressing plate（15）It is oppositely arranged, the common axial movement for limiting honeycomb of engine shape embedded block is circumferential
Baffle plate（13）It is fixed on pedestal（11）The 3rd side wall on, circumferential pressing plate（14）Installed in pedestal（11）The 4th side wall on, week
To baffle plate（13）With circumferential pressing plate（14）It is oppositely arranged, it is common to limit circumferentially rotating for honeycomb of engine shape embedded block.
6. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device according to claim 5, it is characterised in that：The base
Seat（11）The 4th side wall on be provided with and circumferential pressing plate（14）Vertical blind hole, the blind hole is built with stage clip（17）, the circumference
Pressing plate（14）It is upper to coordinate equipped with adjusting screw（18）, adjusting screw（18）Front end and pedestal（11）It is connected by screw thread,
Screw adjusting screw（18）, circumferential pressing plate（14）It is pressed in stage clip（17）On.
7. a kind of honeycomb of engine shape embedded block inner mold face prosthetic device according to claim 1, it is characterised in that：The limit
Position mechanism includes postive stop baffle（5）And stop screw（6）, postive stop baffle（5）Lower end be fixed on base（1）Side wall on, on
End is provided with stop screw（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230719.5U CN206153640U (en) | 2016-11-16 | 2016-11-16 | Profile prosthetic devices in cellular embedding of engine piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230719.5U CN206153640U (en) | 2016-11-16 | 2016-11-16 | Profile prosthetic devices in cellular embedding of engine piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206153640U true CN206153640U (en) | 2017-05-10 |
Family
ID=58659986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621230719.5U Active CN206153640U (en) | 2016-11-16 | 2016-11-16 | Profile prosthetic devices in cellular embedding of engine piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206153640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392153A (en) * | 2016-11-16 | 2017-02-15 | 中国人民解放军第五七九工厂 | Engine honeycombed embedded block inner moulded surface repairing device and repairing method thereof |
-
2016
- 2016-11-16 CN CN201621230719.5U patent/CN206153640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392153A (en) * | 2016-11-16 | 2017-02-15 | 中国人民解放军第五七九工厂 | Engine honeycombed embedded block inner moulded surface repairing device and repairing method thereof |
| CN106392153B (en) * | 2016-11-16 | 2018-06-12 | 中国人民解放军第五七一九工厂 | A kind of honeycomb of engine shape embedded block inner mold face prosthetic device and its restorative procedure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 10 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee after: State-run West Sichuan machine factory Address before: No.10 Gaopeng Avenue, high tech Zone, Chengdu, Sichuan 610000 Patentee before: PLA NO.5719 FACTORY |
|
| CP03 | Change of name, title or address |