CN110239122A - A kind of preparation process of aircraft soft tank - Google Patents
A kind of preparation process of aircraft soft tank Download PDFInfo
- Publication number
- CN110239122A CN110239122A CN201910521857.0A CN201910521857A CN110239122A CN 110239122 A CN110239122 A CN 110239122A CN 201910521857 A CN201910521857 A CN 201910521857A CN 110239122 A CN110239122 A CN 110239122A
- Authority
- CN
- China
- Prior art keywords
- soft tank
- tank
- soft
- polyvinyl chloride
- preparation process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 24
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 23
- 239000002828 fuel tank Substances 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 239000005060 rubber Substances 0.000 claims abstract description 13
- 238000009941 weaving Methods 0.000 claims abstract description 12
- 239000004677 Nylon Substances 0.000 claims abstract description 11
- 229920001778 nylon Polymers 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 230000002950 deficient Effects 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- 238000005360 mashing Methods 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 238000013138 pruning Methods 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000010257 thawing Methods 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract 2
- 239000004753 textile Substances 0.000 abstract 2
- 239000000446 fuel Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
- B64D37/06—Constructional adaptations thereof
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of preparation processes of aircraft soft tank, comprising the following steps: the nylon for being used to prepare soft tank A, is modified processing；B, inspection prepares the weaving material of soft tank；C, the polyvinyl chloride working process of soft tank will be used to prepare；D, raw rubber is plasticated；E, the metal parts being compressed in soft tank are checked；F, preliminary molding soft tank mould tire is checked；G, soft tank after molding is subjected to process, finally packed the soft tank handled well, in the entire preparation process of the preparation process of soft tank, it needs to the nylon for processing, textile fabric, polyvinyl chloride and raw rubber are processed, by nylon, textile fabric, the preliminary molding mould tire that polyvinyl chloride and raw rubber are formed is checked that finally process to molding non-defective unit mould tire, fuel tank preparation process meter of the invention is reasonable, process flow is perfect, high yield rate.
Description
Technical field
The present invention relates to the manufacture technology field of aircraft rubber soft tank, specially a kind of preparation work of aircraft soft tank
Skill.
Background technique
In early stage, synthetic rubber soft tank is used in many aircraft wing wing box, until today, many fighter planes for
Shellproof purpose uses such fuel tank still in fuselage in fistfight.
It, should be without damage or leakage when metal integral tank passes through 3.51bf/in2 inner pressure test.In addition, flight must can be born
In the effect of oscillating load, inertial load and fuel flow and structural loads that is likely encountered, without damaging.
Transporter fuselage fuel cell must be able to withstand the effect of spray property load when airplane emergency lands without damaging, and protect
Card fuel oil does not overflow.The inertia force of all directions provides as follows: downward 4.59, upward 2.0g, forward 9.0g, and lateral 1.59.
These fuel tanks must be placed in shielded position, be unlikely to directly to rub with ground when landing in an emergency.
In order to guarantee safety, reliability and the durability of fuel tank, to the installation of fuel tanker there are many special regulation,
The support (the separate metal fuel tank in aircraft wing box structure) of fuel tank must make fuel oil load not concentrate on a certain of Oiltank structure
Point on.Between fuel tank and bracket must be equipped with inductility liner, in order to avoid between fuel tank and bracket rubs mutually and wear.By
Toroidal membrane made of synthetic rubber or flexible tank pad must be fixedly arranged in structure, they just do not have to undertake fuel oil in this way
Load.Under various flight conditions (including the dangerous situations such as the low-speed operations being likely encountered when normal flight and quick sinking),
It must assure that certain normal pressure in all soft tanks.The pressure is kept by a snorkel in fuel tank.Pipe
Open end can continuously obtain punching press to airflow direction in this way.
Summary of the invention
The purpose of the present invention is to provide a kind of process flow is perfect, the preparation work of the aircraft soft tank of high yield rate
Skill, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of preparation process of aircraft soft tank, special
Sign is: the following steps are included:
A, the nylon for being used to prepare soft tank is modified processing；
B, inspection prepares the weaving material of soft tank；
C, the polyvinyl chloride working process of soft tank will be used to prepare；
D, raw rubber is plasticated；
E, the metal parts being compressed in soft tank are checked；
F, preliminary molding soft tank mould tire is checked；
G, soft tank after molding is subjected to process, finally packs the soft tank handled well.
Preferably, it is described according to step A by after modified nylon, and configure grease proofing diffusion layer, include three in grease proofing diffusion layer
First copolymer nylon, formaldehyde, 65 DEG C at a temperature of be stirred to react 6 hours, then reactant is cleaned in clear water, be precipitated white
Terpolyamide is placed in 50 DEG C of drying box after cleaning 3-5 times and is dried under natural conditions to constant weight by sediment.
Preferably, the weaving material that soft tank is prepared according to step B inspection, by the weaving material of qualified soft tank
Weaving is dried in 50-55 DEG C of drying box.
Preferably, described to be melted polyvinyl chloride by 180-200 DEG C of high temperature according to step C, by what is plasticated
Raw rubber and the polyvinyl chloride after melting carry out Hybrid Heating, polyvinyl chloride and raw rubber are carried out mixed refining, after mixed refining
Feed back in material fries batter in a thin layer, and the material after a part of mixed refining is mixed with beating with solvent, by the mixture by mashing
The surface of material is brushed using grease proofing diffusion layer, adhesive plaster inspection is carried out to polyvinyl chloride mashing mixed material, by extra object
Material or waste material are cut.
Preferably, described to be checked metal parts according to step E, by the metal parts of non-defective unit be put into containing
Derusting is cleaned in 10% sulfuric acid solution, using clear water cleaning filtering, by the surface sand-blasting process of the metal parts after embathing,
It is cleaned again after blasting treatment, the surface of the part after cleaning is sprayed into adhesive, spray returning polyvinyl chloride after adhesive
Material carries out molding processing with metal parts, and the part appearance after molding is carried out trimming grinding process, and to treated metal
Part is checked.
Preferably, described to be checked preliminary molding soft tank mould tire according to step F, in preliminary molding soft tank
The surface of mould tire is coated with interleaving agent, coats and is put into 45 DEG C of baking oven drying after interleaving agent.
Preferably, it is described according to step G by treated, metal parts is put into pruning modes that good polyvinyl chloride is beaten
Pulp mixture material carries out forming processes, integrally vulcanizes after molding to fuel tank, demoulds, by the soft tank after vulcanization demoulding
It carries out the examination and test of products and studies for a second time courses one has flunked processing, the air-tightness of soft tank is checked after the completion of studying for a second time courses one has flunked, above-mentioned detection is all qualified
Soft tank saves storage.
Compared with prior art, the beneficial effects of the present invention are:
(1) metal parts being compressed in soft tank are checked, guarantee is using the metal parts on soft tank
It is qualified
Fuel tank preparation process meter of the invention is reasonable, and process flow is perfect, high yield rate.
Detailed description of the invention
Fig. 1 is soft tank preparation process flow schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of preparation process of aircraft soft tank: including following
Step:
A, the nylon for being used to prepare soft tank is modified processing；
B, inspection prepares the weaving material of soft tank；
C, the polyvinyl chloride working process of soft tank will be used to prepare；
D, raw rubber is plasticated；
E, the metal parts being compressed in soft tank are checked；
F, preliminary molding soft tank mould tire is checked；
G, soft tank after molding is subjected to process, finally packs the soft tank handled well.
After modified nylon, and grease proofing diffusion layer is configured, includes terpolyamide, formaldehyde, 65 in grease proofing diffusion layer
It is stirred to react at a temperature of DEG C 6 hours, then cleans reactant in clear water, white depositions are precipitated, it will after cleaning 3-5 times
Terpolyamide, which is placed in 50 DEG C of drying box, to be dried under natural conditions to constant weight.
Inspection prepares the weaving material of soft tank, the drying by the weaving material weaving of qualified soft tank at 50-55 DEG C
It is dried in case, by dried material and polyvinyl chloride hybrid process, and the surface after mixing carries out gluing.
Polyvinyl chloride is melted by 180-200 DEG C of high temperature, by the polychlorostyrene second after the raw rubber plasticated and thawing
Alkene carries out Hybrid Heating, and polyvinyl chloride and raw rubber are carried out mixed refining, and the feed back in material after mixed refining fries batter in a thin layer,
The feed back laminated is cut simultaneously, the material after a part of mixed refining is mixed with beating with solvent, will be by mashing
The surface of mixed material brushed using grease proofing diffusion layer, adhesive plaster inspection is carried out to polyvinyl chloride mashing mixed material, will
Extra material or waste material is cut.
Metal parts are checked, the metal parts of non-defective unit are put into cleaning in the sulfuric acid solution containing 10% and are removed
Rust, by the surface sand-blasting process of the metal parts after embathing, is cleaned again using clear water cleaning filtering after blasting treatment, will
The surface of part after cleaning sprays adhesive, carries out the feed back of polyvinyl chloride and metal parts at molding after spraying adhesive
Reason, carries out trimming grinding process for the part appearance after molding, and metal parts checks to treated.
Preliminary molding soft tank mould tire is checked, is coated with isolation on the surface of preliminary molding soft tank mould tire
Agent coats and is put into 45 DEG C of baking oven drying after interleaving agent.
To treated, metal parts is put into the good polyvinyl chloride mashing mixed material progress forming processes of pruning modes,
Fuel tank is integrally vulcanized after molding, is demoulded, the soft tank after vulcanization demoulding is subjected to the examination and test of products and studies for a second time courses one has flunked processing,
The air-tightness of soft tank is checked after the completion of studying for a second time courses one has flunked, all qualified soft tank of above-mentioned detection is saved storage.
Fuel tank preparation process meter of the invention is reasonable, and process flow is perfect, high yield rate.
The beneficial effects of the present invention are:
The fuel tank preparation process meter that the present invention is set is reasonable, and process flow is perfect, high yield rate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of preparation process of aircraft soft tank, it is characterised in that: the following steps are included:
A, the nylon for being used to prepare soft tank is modified processing；
B, inspection prepares the weaving material of soft tank；
C, the polyvinyl chloride working process of soft tank will be used to prepare；
D, raw rubber is plasticated；
E, the metal parts being compressed in soft tank are checked；
F, preliminary molding soft tank mould tire is checked；
G, soft tank after molding is subjected to process, finally packs the soft tank handled well.
2. a kind of preparation process of aircraft soft tank according to claim 1, it is characterised in that: it is described according to step A
After modified nylon, and grease proofing diffusion layer is configured, includes terpolyamide, formaldehyde, in 65 DEG C of temperature in grease proofing diffusion layer
Under be stirred to react 6 hours, reactant is cleaned in clear water then, is precipitated white depositions, by ternary polymerization after cleaning 3-5 times
Nylon, which is placed in 50 DEG C of drying box, to be dried under natural conditions to constant weight.
3. a kind of preparation process of aircraft soft tank according to claim 1, it is characterised in that: it is described according to step B
Inspection prepares the weaving material of soft tank, and the weaving material of qualified soft tank is weaved and is dried in 50-55 DEG C of drying box.
4. a kind of preparation process of aircraft soft tank according to claim 1, it is characterised in that: it is described according to step C
Polyvinyl chloride is melted by 180-200 DEG C of high temperature, the polyvinyl chloride after the raw rubber plasticated and thawing is mixed
Heating is closed, polyvinyl chloride and raw rubber are subjected to mixed refining, the feed back in material after mixed refining fries batter in a thin layer, and a part is mixed
Material after closing refining is mixed with beating with solvent, and the surface of the mixed material by mashing is applied using grease proofing diffusion layer
Brush carries out adhesive plaster inspection to polyvinyl chloride mashing mixed material, extra material or waste material is cut.
5. a kind of preparation process of aircraft soft tank according to claim 1, it is characterised in that: it is described according to step E
Metal parts are checked, the metal parts of non-defective unit are put into clean in the sulfuric acid solution containing 10% and are derusted, are made
Filtering is cleaned with clear water, the surface sand-blasting process of the metal parts after embathing is cleaned again after blasting treatment, after cleaning
The surface of part sprays adhesive, sprays and the feed back of polyvinyl chloride and metal parts are carried out molding processing after adhesive, by mould
Part appearance after pressure carries out trimming grinding process, and metal parts checks to treated.
6. a kind of preparation process of aircraft soft tank according to claim 1, it is characterised in that: it is described according to step F
Preliminary molding soft tank mould tire is checked, is coated with interleaving agent on the surface of preliminary molding soft tank mould tire, coat every
It is dried from the baking oven for being put into 45 DEG C after agent.
7. a kind of preparation process of aircraft soft tank according to claim 1, it is characterised in that: it is described according to step G
By to treated, metal parts is put into that the good polyvinyl chloride mashing mixed material of pruning modes carries out forming processes, form
Fuel tank is integrally vulcanized after finishing, is demoulded, the soft tank after vulcanization demoulding is subjected to the examination and test of products and studies for a second time courses one has flunked processing, has been studied for a second time courses one has flunked
It is checked at the rear air-tightness to soft tank, all qualified soft tank of above-mentioned detection is saved storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521857.0A CN110239122A (en) | 2019-06-17 | 2019-06-17 | A kind of preparation process of aircraft soft tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521857.0A CN110239122A (en) | 2019-06-17 | 2019-06-17 | A kind of preparation process of aircraft soft tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110239122A true CN110239122A (en) | 2019-09-17 |
Family
ID=67887658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521857.0A Pending CN110239122A (en) | 2019-06-17 | 2019-06-17 | A kind of preparation process of aircraft soft tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110239122A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116855068A (en) * | 2023-08-22 | 2023-10-10 | 南通通易航天科技股份有限公司 | Light nonmetallic material for aircraft flexible fuel tank and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507767B (en) * | 2007-11-30 | 2011-11-23 | 成都飞机工业（集团）有限责任公司 | Unmanned plane soft tank |
| US20150231966A1 (en) * | 2014-02-19 | 2015-08-20 | Floats and Fuel Cells, Inc. | Hydrocarbon storage vessels |
| CN106183791A (en) * | 2016-08-02 | 2016-12-07 | 李勇成 | A kind of self sealing fuel tank |
| CN107082902A (en) * | 2017-05-22 | 2017-08-22 | 南通通易航天科技股份有限公司 | The grease proofing diffusion layer of fuel tank |
| DE202016004261U1 (en) * | 2016-07-11 | 2017-10-12 | Fenotec Protec Gmbh | Multi-layer fuel tank |
-
2019
- 2019-06-17 CN CN201910521857.0A patent/CN110239122A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507767B (en) * | 2007-11-30 | 2011-11-23 | 成都飞机工业（集团）有限责任公司 | Unmanned plane soft tank |
| US20150231966A1 (en) * | 2014-02-19 | 2015-08-20 | Floats and Fuel Cells, Inc. | Hydrocarbon storage vessels |
| DE202016004261U1 (en) * | 2016-07-11 | 2017-10-12 | Fenotec Protec Gmbh | Multi-layer fuel tank |
| CN106183791A (en) * | 2016-08-02 | 2016-12-07 | 李勇成 | A kind of self sealing fuel tank |
| CN107082902A (en) * | 2017-05-22 | 2017-08-22 | 南通通易航天科技股份有限公司 | The grease proofing diffusion layer of fuel tank |
Non-Patent Citations (3)
| Title |
|---|
| 《工程材料实用手册》编辑委员会编: "《工程材料实用手册 第8卷 橡胶 密封剂》", 31 July 2002, 中国标准出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116855068A (en) * | 2023-08-22 | 2023-10-10 | 南通通易航天科技股份有限公司 | Light nonmetallic material for aircraft flexible fuel tank and preparation method thereof |
| CN116855068B (en) * | 2023-08-22 | 2024-02-23 | 南通通易航天科技股份有限公司 | Light nonmetallic material for aircraft flexible fuel tank and preparation method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
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