CN206598551U - It is a kind of easily to answer material frock gas operated device - Google Patents
It is a kind of easily to answer material frock gas operated device Download PDFInfo
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- CN206598551U CN206598551U CN201720132243.XU CN201720132243U CN206598551U CN 206598551 U CN206598551 U CN 206598551U CN 201720132243 U CN201720132243 U CN 201720132243U CN 206598551 U CN206598551 U CN 206598551U
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- frock
- material part
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- air slot
- vacuum
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Abstract
Material frock gas operated device is easily answered the utility model discloses a kind of, including the frock for supporting multiple material part, covering entirely answers material part and for sealed hermetic bag and the putty bar for being bonded the hermetic bag and frock, the air slot for exhaust is provided with the outward flange 80mm 120mm of the multiple material part of frock upper surface distance, the gas port of the frock is provided through in the air slot, the gas port is tightly connected with the valve installed in frock bottom, and the valve is connected by exhaust tube with vacuum plant.The utility model is more than the air slot of multiple material part outer rim by being set in frock, and the gas port being connected using the multiple and vacuum extractor being opened in air slot carries out vacuum drawn, solve the existing direct vacuum for setting bleeding point to carry out pumping presence in hermetic bag not up to standard, the problem of residual gas is more and the extraction time is long.
Description
Technical field
The utility model, which is related to, meets material processing unit (plant) field, more particularly to airborne vehicle composite processing device neck
Domain, specifically, be it is a kind of easily answer material frock gas operated device.
Background technology
Increasingly increase with the ratio of composite on existing airborne vehicle, because the quality for meeting material is high, intensity is good,
It is lightweight, in the case where meeting condition of work, aircraft weight can greatly be mitigated, therefore, composite is in aviation field
The utilization more next moon it is extensive.The existing processing for meeting material mainly uses following two methods：
The first is Resin transfer molding forming manufacturing method, is initially mainly used in aircraft time load-carrying construction part, such as hatch door
And inspection cover.The advantage of this method is environmental protection, the laminate performance formed is good and dual sided quality is good, in boat aerial applications not only
Can reduce amount of labour itself, and due to can molding large single piece, reduce assembly work amount.But resin passes through pressure
The part that power injection enters die cavity formation has that voids content is larger, fiber content is relatively low, resin in the fibre skewness,
The defect such as resin is insufficient to fiber impregnation, therefore the technology also has improvement potentiality.Because also there is disadvantage mentioned above in the technology, because
This future development is reduction frock cost, improves structural member performance, reduces percent defective.Therefore, developed again in the technical foundation
Vacuum assisted resin injection molded（VARI）Technology, assisted resin is absorbed by fabric, can not only reduce porosity, and preform is fine
Closer, the negative pressure being vacuum formed is tieed up, resin just flows along vacuum passage along each aspect of preform, so as to be sufficiently impregnated fibre
Dimension, and fiber/resin is evenly distributed.
Second of Resin impregnation techniques, RFI techniques are a kind of trees that a kind of Resin Film Infusion and fiber preform are combined
Fat dipping technique.Its forming process is, for resin film or thick shape resin mass, to be placed in the bottom of mould, its upper strata by resin-made
The fiber preform being made coated with methods such as suture or 3 D weavings.Then the main points according to vacuum forming process seal die cavity
Dress, in being aspirated resin from bottom to top using vacuum technique under thermal environment.Viscosity reduction after resin film is heated, along precast body by
Climb upwards down, so as to fill up whole precast body space, immediately according to curing process, composite product is made.The technology by
In being that can be achieved only with traditional vacuum bag moulding method.
But due to needing the auxiliary by vacuum technique, to improve the compactedness of resin, make resin distribution more uniform,
The composite of even intensity is obtained after hardening, reduces percent defective, is saved manufacturing cost, is seemed particularly heavy in vacuum
Will.
Composite material parts are mainly carried out closing suit by existing vacuum drawn using vacuum bag, and on vacuum bag
Set a pumping valve to be used to be evacuated, but often occur that air guide is uneven in pumping process, the place near apart from valve is very
Predetermined vacuum level is reached soon, but still there is substantial amounts of residual air in some areas, it is impossible to realize whole composite material parts
Region is in relatively stable vacuum environment, thus, directly result in the uneven distribution of resin.
Utility model content
The purpose of this utility model is that offer is a kind of and easily answers material frock gas operated device, for solving in the prior art
Easily cause that vacuum is high, uneven, residual gas is more, air guide in the vacuum sealing procedure to composite material parts existed
Efficiency is low, the problem of qualification rate for ultimately resulting in part declines.The utility model, will be multiple by offering air slot in frock
Air conduction around material part is excluded into air slot, solves the inequality of air guide in the prior art, there is gas residue
The problem of, meanwhile, the circulation of gas is accelerated, the efficiency for extracting vacuum process is added.
The utility model is achieved through the following technical solutions：
It is a kind of easily to answer material frock gas operated device, including for supporting the frock of multiple material part, material zero is entirely answered in covering
Part is simultaneously used for sealed hermetic bag and the putty bar for being bonded the hermetic bag and frock, in frock upper surface distance
It is provided with the outward flange 80mm-120mm of multiple material part in the air slot for exhaust, the air slot described in being provided through
The gas port of frock, the gas port is tightly connected with the valve installed in frock bottom, and the valve is by exhaust tube and very
Empty device connection.
The utility model is realized in order to further, increases air velocity, it is to avoid ventilation is not smooth caused by local deformation, leads
Cause vacuum it is not up to standard or extract the time it is long the problem of, especially using following scheme realize：Use is placed with the air slot
Increase the chain of air mass flow in dredging flow.The chain can pass through its shape design due to not possessing airtight construction
Avoid hermetic bag or piece surface from depositing, block at air slot or gas port, cause what gas can not exclude in time to ask
Topic.
The utility model is realized in order to further, increases air velocity, it is to avoid ventilation is not smooth caused by local deformation, takes out
The problem of taking the time long, is especially realized using following scheme：The quantity of the gas port is that multiple and each gas port leads to
Gastight conduit is crossed to be connected with valve.
The utility model is realized in order to further, strengthens the uniformity of air guide, it is to avoid the laminating of hermetic bag causes part
Gas deposits, it is impossible to the problem of excluding, described to be additionally provided with airfelt between material part and hermetic bag again.
It is convenient to answer material part fetching after solidification is completed in order to further realize the utility model, it is preferable that
Releasing agent is laid between multiple material part and frock.
In order to further realize the utility model, it is to avoid hermetic bag extract vacuum process in produce partial folds,
The phenomenon of alluvial is produced, it is preferable that the minimum air line distance between the putty bar and air slot is not less than 30 millimeters.That is putty
The closed loop shape that bar is surrounded is more than the closed loop shape that air slot is surrounded, and the closed loop shape that the air slot is surrounded is more than multiple material part
Maximum outer rim shape.
The utility model compared with prior art, with advantages below and beneficial effect：
（1）The utility model is more than the air slot of multiple material part outer rim by being set in frock, and is led using being opened in
Gas port that multiple and vacuum extractor in air drain is connected carries out vacuum drawn, solves and existing is directly set in hermetic bag
The vacuum for putting bleeding point progress pumping presence is not up to standard, the problem of residual gas is more and the extraction time is long.
（2）The utility model by being placed with chain in air slot, for support part caused by vacuum drawn it is true
The problem of empty bag deformation blocks gas port or air slot, it is to avoid vacuum drawn is underproof caused by the blocking of gas port asks
Topic.Placed chain effectively can be supported to hermetic bag, it is ensured that the rapid circulation of air.
Brief description of the drawings
Fig. 1 is broken section structural representation of the present utility model；
Fig. 2 be frock described in the utility model overlooking the structure diagram and figure in chain be local placement；
Wherein 1- frocks；The multiple material parts of 2-；3- airfelts；4- hermetic bags；5- air slots；6- chains；7- putty bars；8- gas
Mouth；9- exhaust tubes；10- gas ports.
Embodiment
The utility model is described in further detail with reference to preferred embodiment of the present utility model, but this practicality
New embodiment not limited to this.
Before embodiment explanation is carried out, it is emphasized that, because the utility model is to be directed to composite processing mistake
Cheng Zhong, the improvement of the gas operated device applied to when carrying out vacuum sealing to multiple material part is relatively easy in terms of operation principle, therefore
And explanation will be described in detail with single specific embodiment, and following embodiments are preferred embodiment.
Embodiment：
It is a kind of easily to answer material frock gas operated device with reference to shown in accompanying drawing 1-2, including for supporting the frock of multiple material part
1, covering entirely answers material part 2 and for sealed hermetic bag 4 and the putty bar for being bonded the hermetic bag 4 and frock 1,
The air slot 5 for exhaust, institute are provided with the outward flange 80mm-120mm of the multiple material part 2 of the upper surface of frock 1 distance
State the gas port 10 that the frock 1 is provided through in air slot 5, the gas port 10 and the valve 8 installed in the bottom of frock 1
It is tightly connected, the valve 8 is connected by exhaust tube 9 with vacuum plant.
The utility model is realized in order to further, increases air velocity, it is to avoid ventilation is not smooth caused by local deformation, leads
Cause vacuum it is not up to standard or extract the time it is long the problem of, especially using following scheme realize：Use is placed with the air slot 5
Increase the chain 6 of air mass flow in dredging flow.The chain can pass through its shape design due to not possessing airtight construction
Avoid hermetic bag or piece surface from depositing, block at air slot or gas port, cause what gas can not exclude in time to ask
Topic.
The utility model is realized in order to further, increases air velocity, it is to avoid ventilation is not smooth caused by local deformation, takes out
The problem of taking the time long, is especially realized using following scheme：The quantity of the gas port 10 is multiple and each gas port 10
It is connected by gastight conduit with valve 8.
The utility model is realized in order to further, strengthens the uniformity of air guide, it is to avoid the laminating of hermetic bag causes part
Gas is deposited, it is impossible to the problem of excluding, and airfelt 3 is additionally provided between the multiple material part 2 and hermetic bag 4.
It is convenient to answer the fetching after solidification is completed of material part 2 in order to further realize the utility model, preferably
Ground, releasing agent is laid between multiple material part 2 and frock.
In order to further realize the utility model, it is to avoid hermetic bag extract vacuum process in produce partial folds,
The phenomenon of alluvial is produced, it is preferable that the minimum air line distance between the putty bar and air slot 5 is not less than 30 millimeters.It is i.e. greasy
The closed loop shape that sub- bar 7 is surrounded is more than the closed loop shape that air slot 5 is surrounded, and the closed loop shape that the air slot encloses 5 one-tenth is more than again
The maximum outer rim shape of material part.
Operation principle and operating procedure：
The first step：Releasing agent is laid in the upper surface of frock 1, the multiple material part 2 for being not yet molded hardening is placed on frock 1
On, and check compactness each other；
Second step：Airfelt 3 is laid on multiple material part 2 and ensures that airfelt 3 will entirely answer all coverings of material part 2,
The outward flange of airfelt 3 should exceed the maximum outer rim of air slot 5, and the straight placement chain 6 in air slot 5；
3rd step：The upper surface of frock 1 coating putty bar 7, hermetic bag 4 is tiled on the outside of the maximum outward flange of airfelt 3
In airfelt 3, and hermetic bag 4 is be bonded with putty bar 7, it is ensured that airtight cavity is formed between hermetic bag 4, frock 1；
4th step：Vacuum extractor or vacuum drawn machine are opened, gas is rejected to outside frock by gas port 10, institute
The gas stated in cavity is constantly reduced, and vacuum is continued to increase；Hermetic bag 4 is constantly to air slot in the presence of atmospheric pressure
Fitted in 5, due to being placed with the chain 6 with supporting role in air slot 5, so hermetic bag 4 can not be completely by gas port 10
Block, gas still can be excluded smoothly, reach the quick, purpose of efficient decimation vacuum.Fundamentally solve using straight
Be connected on opened up in hermetic bag 4 air exhaust nozzle carry out pumping appearance local bonding, it is overlapping cause vacuum not high, local air is excluded
Not to the utmost the problem of.
5th step：The multiple material part 2 for having extracted vacuum is sent into thermoplastic curing process together with frock to be consolidated
Change is handled, homogeneous to obtain, satisfactory multiple material part 2.
What deserves to be explained is：Extract after vacuum, valve 8 can be automatically prevented from gas and be flowed into herein in gas port 10, gas
Mouth 8 has non-return valve function, only allows gas to discharge, it is impossible to reverse to enter, the structure of similar valve 8 have it is a variety of, and very
It is existing, routine techniques is belonged to those skilled in the art, therefore, is just no longer described in detail on valve 8 in the present embodiment
Concrete structure.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to technical spirit of the present utility model to above example, equivalent variations are each fallen within
Within protection domain of the present utility model.
Claims (4)
1. a kind of easily answer material frock gas operated device, including for supporting multiple material part（2）Frock（1）, cover whole multiple
Material part（2）And for sealed hermetic bag（4）And for being bonded the hermetic bag（4）With frock（1）Putty bar, it is special
Levy and be：In the frock（1）The multiple material part of upper surface distance（2）Outward flange 80mm-120mm at be provided with for exhaust
Air slot（5）, the air slot（5）Inside it is provided through the frock（1）Gas port（10）, the gas port（10）With peace
Mounted in frock（1）The valve of bottom（8）It is tightly connected, the valve（8）Pass through exhaust tube（9）It is connected with vacuum plant.
2. it is according to claim 1 it is a kind of easily answer material frock gas operated device, it is characterised in that：The air slot（5）
Inside it is placed with the chain for increasing air mass flow for dredging flow（6）.
3. it is according to claim 1 it is a kind of easily answer material frock gas operated device, it is characterised in that：The gas port（10）
Quantity be multiple and each gas port（10）Pass through gastight conduit and valve（8）Connection.
4. according to any one in claim 1-3 it is a kind of easily answer material frock gas operated device, it is characterised in that：Institute
State multiple material part（2）With hermetic bag（4）Between be additionally provided with airfelt（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132243.XU CN206598551U (en) | 2017-02-14 | 2017-02-14 | It is a kind of easily to answer material frock gas operated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132243.XU CN206598551U (en) | 2017-02-14 | 2017-02-14 | It is a kind of easily to answer material frock gas operated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206598551U true CN206598551U (en) | 2017-10-31 |
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| CN201720132243.XU Active CN206598551U (en) | 2017-02-14 | 2017-02-14 | It is a kind of easily to answer material frock gas operated device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682552A (en) * | 2018-11-22 | 2019-04-26 | 成都飞机工业（集团）有限责任公司 | A kind of multiple airtight detection method of material mold |
| CN113002016A (en) * | 2021-02-27 | 2021-06-22 | 中复连众（哈密）复合材料有限公司 | Suction pouring forming method for web plate of megawatt wind power generation blade |
-
2017
- 2017-02-14 CN CN201720132243.XU patent/CN206598551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682552A (en) * | 2018-11-22 | 2019-04-26 | 成都飞机工业（集团）有限责任公司 | A kind of multiple airtight detection method of material mold |
| CN113002016A (en) * | 2021-02-27 | 2021-06-22 | 中复连众（哈密）复合材料有限公司 | Suction pouring forming method for web plate of megawatt wind power generation blade |
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