CN207840720U - A kind of auxiliary mould for Thin-Wall Outer Casing processing - Google Patents
A kind of auxiliary mould for Thin-Wall Outer Casing processing Download PDFInfo
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- CN207840720U CN207840720U CN201820257259.8U CN201820257259U CN207840720U CN 207840720 U CN207840720 U CN 207840720U CN 201820257259 U CN201820257259 U CN 201820257259U CN 207840720 U CN207840720 U CN 207840720U
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- casing
- cover board
- pedestal
- thin
- wall outer
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Abstract
The utility model is related to a kind of auxiliary moulds for Thin-Wall Outer Casing processing, it is characterised in that：Include the taper shank of the adjustable use level for fixing the pedestal of casing, connecting positioned at the casing inner cavity and lower end and the base engagement, positioned at the casing inner cavity and the cover board coordinated with the middle part of the taper shank, the granular elastic filler between the pedestal and cover board.It can enhance rigidity when casing processing, reduce the deflection of casing in process；Can mitigate occur in process allow knife, shake knife phenomena such as, ensure the processing quality of casing, improve machining accuracy and efficiency；The skewness that can prevent cover board from occurring when squeezing elastic filler, it is quick and easy for installation, while self-locking function can be realized to cover board, prevent cover board because of elastic filler rebounds upward play；Good location and limit can be carried out to casing, prevent casing from loosening and rotating in process.
Description
Technical field
The utility model is related to aero-engines, and in particular to a kind of auxiliary mould for Thin-Wall Outer Casing processing.
Background technology
Aero-engine casing is typical thin-walled parts, and appearance and size is generally large, have it is complicated, wall is thin,
Poor rigidity and unmanageable feature.General casing is up-small and down-big tubular structure, and both ends are equipped with installation side, due to wall
It is thick relatively thin, yielding and rebound when processing, will appear in process it is serious allow knife, shake knife phenomena such as, it is difficult to ensure part
Processing quality, and processing efficiency is very low.Therefore, need to design it is a kind of can enhance part processing when rigidity, reduce part become
Shape, the auxiliary mould for Thin-Wall Outer Casing processing for improving machining accuracy and efficiency.
Invention content
The purpose of this utility model is to provide a kind of auxiliary mould for Thin-Wall Outer Casing processing, can enhance casing and add
The rigidity in working hour reduces the deflection of casing in process；Can mitigate occur in process make knife, the knife that shakes etc. existing
As ensureing the processing quality of casing, improving machining accuracy and efficiency；It can prevent cover board from occurring when squeezing elastic filler
Skewness, it is quick and easy for installation, at the same can to cover board realize self-locking function, prevent cover board due to elastic filler rebounds
Upward play；Good location and limit can be carried out to casing, prevent casing from loosening and rotating in process.
A kind of auxiliary mould for Thin-Wall Outer Casing processing described in the utility model, it is characterised in that：It is solid including being used for
Determine the pedestal of casing, the adjustable use level being connect with the base engagement positioned at the casing inner cavity and lower end taper shank, be located at
The casing inner cavity and with the middle part of the taper shank cooperation cover board, the granular elasticity between the pedestal and cover board
Filler.
Further, the lower part of the taper shank is equipped with external screw thread；The middle part of the cover board is equipped with bores with the middle part of the taper shank
The compatible through-hole in face；The middle part of the pedestal is equipped with threaded hole, and the lower part of taper shank passes through through-hole and institute in the middle part of the cover board
The threaded hole for stating the middle of the base is connected.
Further, the cover board is made of polylith fanning strip, and the edge of one straight line of the fanning strip is in First
The edge of ladder-like, another straight line of the downward two level of terrace is ladder-like and described in the two level that second step faces upward
It is equipped with tapped through hole on First terrace and second step face on fanning strip；The First terrace of one fanning strip with
The second step face of the adjacent fanning strip of left part correspond to be close to and be connected by screw, second step face fanning strip adjacent with right part
First step face, which corresponds to, to be close to and is connected by screw.
Further, the middle part of the cover board is equipped with boss, and through-hole compatible with the middle part conical surface of the taper shank is located at this
The middle part of boss.
Further, the upper surface of the pedestal is equipped with positioning spigot, the lower end inner cavity of the positioning spigot and the casing
It is adapted.
Further, pressing plate is connected with by screw rod on the pedestal, which is used to compress the installation side of the casing.
Further, the elastic filler is polyurethane material.
Further, the pedestal is equipped with weight loss groove.
The beneficial technique effect of the utility model：
It is placed on pedestal due to devising pedestal, elastic obturator, cover board and taper shank, casing, taper shank is placed in casing inner cavity
In and the middle part threaded bore portion of its underpart and pedestal coordinate, cover board is placed in the cooperation of the middle part in casing inner cavity and with taper shank, elasticity
Filler overregulates the use level of taper shank and pedestal between pedestal and cover board, can to the deflection of elastic filler into
Row is adjusted, so that elastic filler carries out support appropriate to casing, is improved the rigidity of casing, is reduced casing and adding
Deflection during work；Simultaneously alleviate occur in process allow knife, shake knife phenomena such as, ensure that the processing matter of casing
Amount, improves machining accuracy and efficiency.Since elastic obturator is designed to that graininess, deck design at polylith fanning strip, make
It is easy to assembly quick, use manpower and material resources sparingly and cost.Due to designing boss at the middle part of cover board, design taper is logical in the middle part of boss
Hole increases the cooperation area of cover board and taper shank, both cover board was prevented to occur the phenomenon that deflection when squeezing elastic filler,
Self-locking function is realized to cover board further through the taper through-hole in the middle part of cover board, it is therefore prevented that cover board is because that elastic filler rebounds is upward
Play.The Design Orientation seam allowance on pedestal facilitates installation of the casing on pedestal；Due to being connected with by screw rod on pedestal
Pressing plate so that casing is fastened on pedestal, it is therefore prevented that casing is loosened and rotated in process.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of cover board；
Fig. 3 is the structural schematic diagram of fanning strip.
In figure：1- casings, 2- pedestals, 3- elastic fillers, 4- cover boards, 5- taper shanks, 6- pressing plates, 7- screw rods；
11- installs side；
21- positioning spigots, 22- weight loss grooves；
41- fanning strips, 42- First terraces, 43- second steps face, 44- tapped through holes, 45- boss.
Specific implementation mode
It elaborates to the utility model below in conjunction with drawings and examples.
Referring to a kind of Fig. 1 to auxiliary mould for Thin-Wall Outer Casing processing shown in Fig. 3, it is characterised in that：Including being used for
The taper shank of the pedestal 2 of fixed casing 1, the adjustable use level being connected with the pedestal 2 positioned at 1 inner cavity of the casing and lower end
5, positioned at 1 inner cavity of the casing and with the middle part of the taper shank 5 cooperation cover board 4, between the pedestal 2 and cover board 4
Granular elastic filler 3.Elastic filler 3 is in particle, and the oral area on the top from casing 1 can be facilitated to be directly loadable into, made
Casing before processing easier for installation quick.By adjusting the use level of taper shank 5 and pedestal 2, elasticity can be adjusted
The deflection of filler 3, to improve the rigidity of casing, subtracts so that elastic filler 3 carries out support appropriate to casing 1
The deflection of small casing in process；Simultaneously can mitigate occur in process allow knife, shake knife phenomena such as, ensure machine
The processing quality of casket improves machining accuracy and efficiency.
The lower part of the taper shank 5 is equipped with external screw thread；The middle part of the cover board 4 is equipped with the middle part conical surface phase with the taper shank 5
The through-hole of adaptation；The middle part of the pedestal 2 is equipped with threaded hole, the lower part of taper shank 5 pass through the through-hole at 4 middle part of the cover board with it is described
The threaded hole at 2 middle part of pedestal is connected.
The cover board 4 is made of polylith fanning strip 41, and the edge of 41 1 straight line of the fanning strip is in first step
The edge of ladder-like, another straight line of the downward two level in face 42 is ladder-like in the upward two level in second step face 43, and institute
It states and is equipped with tapped through hole 44 on First terrace 42 and second step face 43 on fanning strip 41；One fanning strip 41
The second step face 43 of fanning strip adjacent with left part of First terrace 42 is corresponding to be close to and is connected by screw, second step face 43
The First terrace 42 of fanning strip adjacent with right part is corresponding to be close to and is connected by screw.Cover board 4 is made of polylith fanning strip 41,
Fanning strip can be two pieces, three pieces, four pieces etc., and what is selected in the present embodiment is three pieces.Due to being initially charged with taper shank, it is reloaded into particle
The elastic filler of shape, last capping plate, taper shank are up big and down small structure, and deck design is easily installed at multi-blocked structure.
The middle part of the cover board 4 is equipped with boss 45, and through-hole compatible with the middle part conical surface of the taper shank 5 is located at the boss
45 middle part.Boss 45 is designed at 4 middle part of cover board, and compatible with the middle part conical surface of taper shank 5 in the design of the middle part of boss 45
Tapered through-hole can increase the area of bellmouth, to increase the cooperation area of cover board 4 and taper shank 5, prevent cover board 4 from occurring partially
Oblique phenomenon is conducive to preferably compress elastic filler 3, while can be to cover board reality by the taper through-hole of cover board 4
Existing self-locking function prevents cover board because of elastic filler rebounds upward play.
The upper surface of the pedestal 2 is equipped with positioning spigot 21, the lower end inner cavity phase of the positioning spigot 21 and the casing 1
Adaptation；Positioning spigot 21 facilitates casing 1 to be positioned when coordinating with pedestal 2.The pedestal 2 is equipped with weight loss groove 22；For mitigating
The weight of pedestal 2, it is cost-effective.
Pressing plate 6 is connected with by screw rod 7 on the pedestal 2, which is used to compress the installation side 11 of the casing 1.It is logical
The installation side 11 that pressing plate 6 presses casing 1 is crossed, casing 1 rotation and bounce upwards in processing can be prevented.
The elastic filler 3 is polyurethane material.Polyurethane has higher resilience, excellent shock-absorbing performance, fits
Answering property is extensive, and moderate, is highly suitable as packing material.Elastic obturator can also be the elastic materials such as rubber.
Since the upper inner diameter of casing 1 is less than its underpart internal diameter, when assembly, first casing 1 is stopped by the positioning on pedestal 2
Mouth 21 positions, then by adjusting screw rod 7 so that pressing plate 6 is pressed on the installation side 11 of casing 1；Casing 1 is stretched into the lower part of taper shank 5
Inner cavity and coordinate with the threaded bore portion at the middle part of pedestal 2, i.e., taper shank 5 and the use level of pedestal 2 are smaller at this time；From the top of casing 1
Portion is put into granular elastic filler 3, is then placed in fanning strip 41, and the splicing of polylith fanning strip is connected to form cover board；Finally
The intrusion of cover board 4 is adjusted by adjusting screw-in amount of the taper shank 5 in pedestal 2, to adjust the deformation of elastic obturator 3
Amount.So that elastic obturator 3 plays good supporting role to casing 1, the rigidity of casing can be increased, reduce casing and processing
Deflection in the process；Simultaneously can mitigate occur in process allow knife, shake knife phenomena such as, ensure the processing matter of casing
Amount improves machining accuracy and efficiency.If elastic filler 3 is designed to integral forming structure identical with 1 cavity shape of casing,
It when mounted, be first by the filler of global formation from the inner cavity that the lower section of casing 1 is fitted into casing 1, then by casing and filling
What object was formed is integrally attached on pedestal, and since casing quality is larger, installation is more difficult.Granulated elastomeric obturator it is opposite
For the elastic filler of global formation, evenly to the support effect of casing inner wall, when installation, is more convenient, saves
Human and material resources and cost.
Claims (8)
1. a kind of auxiliary mould for Thin-Wall Outer Casing processing, it is characterised in that：Including being used to fix casing（1）Pedestal（2）、
Positioned at the casing（1）Inner cavity and lower end and the pedestal（2）The taper shank for the adjustable use level being connected（5）, be located at it is described
Casing（1）Inner cavity and with the taper shank（5）Middle part cooperation cover board（4）, be located at the pedestal（2）With cover board（4）Between
Granular elastic filler（3）.
2. the auxiliary mould according to claim 1 for Thin-Wall Outer Casing processing, it is characterized in that：The taper shank（5）Under
Portion is equipped with external screw thread；The cover board（4）Middle part be equipped with and the taper shank（5）The compatible through-hole of the middle part conical surface；The bottom
Seat（2）Middle part be equipped with threaded hole, taper shank（5）Lower part pass through the cover board（4）The through-hole at middle part and the pedestal（2）Middle part
Threaded hole be connected.
3. the auxiliary mould according to claim 2 for Thin-Wall Outer Casing processing, it is characterized in that：The cover board（4）By more
Block fanning strip（41）Composition, the fanning strip（41）The edge of one straight line is in First terrace（42）Downward two level rank
Scalariform, another straight line edge be in second step face（43）Upward two level is ladder-like, and the fanning strip（41）On
First terrace（42）With second step face（43）On be equipped with tapped through hole（44）；One fanning strip（41）First
Step surface（42）The second step face of fanning strip adjacent with left part（43）It is corresponding be close to and be connected by screw, second step face
（43）The First terrace of fanning strip adjacent with right part（42）Correspondence is close to and is connected by screw.
4. the auxiliary mould according to claim 2 for Thin-Wall Outer Casing processing, it is characterized in that：The cover board（4）In
Portion is equipped with boss（45）, with the taper shank（5）The compatible through-hole of the middle part conical surface be located at the boss（45）Middle part.
5. the auxiliary mould according to any one of claims 1 to 4, for Thin-Wall Outer Casing processing, it is characterized in that：It is described
Pedestal（2）Upper surface be equipped with positioning spigot（21）, the positioning spigot（21）With the casing（1）Lower end inner cavity mutually fit
Match.
6. the auxiliary mould according to claim 5 for Thin-Wall Outer Casing processing, it is characterized in that：The pedestal（2）It is upper logical
Cross screw rod（7）It is connected with pressing plate（6）, the pressing plate（6）For compressing the casing（1）Installation side（11）.
7. the auxiliary mould according to claim 1 for Thin-Wall Outer Casing processing, it is characterized in that：The elastic filler
（3）For polyurethane material.
8. the auxiliary mould according to claim 6 for Thin-Wall Outer Casing processing, it is characterized in that：The pedestal（2）On set
There is weight loss groove（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820257259.8U CN207840720U (en) | 2018-02-13 | 2018-02-13 | A kind of auxiliary mould for Thin-Wall Outer Casing processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820257259.8U CN207840720U (en) | 2018-02-13 | 2018-02-13 | A kind of auxiliary mould for Thin-Wall Outer Casing processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207840720U true CN207840720U (en) | 2018-09-11 |
Family
ID=63408832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820257259.8U Active CN207840720U (en) | 2018-02-13 | 2018-02-13 | A kind of auxiliary mould for Thin-Wall Outer Casing processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207840720U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128904A (en) * | 2018-09-13 | 2019-01-04 | 杭州富阳富宝仪表机床厂 | A kind of Thin-Wall Outer Casing class machine parts'precise hole machined equipment |
| CN109202502A (en) * | 2018-10-25 | 2019-01-15 | 西安航天发动机有限公司 | A kind of engine expansion segment slotting attachment and application method |
| CN110421368A (en) * | 2019-07-24 | 2019-11-08 | 上海航天设备制造总厂有限公司 | A kind of turning tool and method of large thin-wall circular cone Al-alloy parts |
| CN110732691A (en) * | 2019-11-18 | 2020-01-31 | 中国航发贵州黎阳航空动力有限公司 | Method for machining vibration-proof cutter for thin-wall large-disc parts |
| CN111993112A (en) * | 2020-08-20 | 2020-11-27 | 杭州天扬机械有限公司 | Fixture for machining annular casing of aircraft engine |
-
2018
- 2018-02-13 CN CN201820257259.8U patent/CN207840720U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128904A (en) * | 2018-09-13 | 2019-01-04 | 杭州富阳富宝仪表机床厂 | A kind of Thin-Wall Outer Casing class machine parts'precise hole machined equipment |
| CN109202502A (en) * | 2018-10-25 | 2019-01-15 | 西安航天发动机有限公司 | A kind of engine expansion segment slotting attachment and application method |
| CN110421368A (en) * | 2019-07-24 | 2019-11-08 | 上海航天设备制造总厂有限公司 | A kind of turning tool and method of large thin-wall circular cone Al-alloy parts |
| CN110732691A (en) * | 2019-11-18 | 2020-01-31 | 中国航发贵州黎阳航空动力有限公司 | Method for machining vibration-proof cutter for thin-wall large-disc parts |
| CN111993112A (en) * | 2020-08-20 | 2020-11-27 | 杭州天扬机械有限公司 | Fixture for machining annular casing of aircraft engine |
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| GR01 | Patent grant | ||
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Effective date of registration: 20200416 Granted publication date: 20180911 |