CN114179392A - Method for forming large-size end socket heat insulation layer - Google Patents
Method for forming large-size end socket heat insulation layer Download PDFInfo
- Publication number
- CN114179392A CN114179392A CN202111313053.5A CN202111313053A CN114179392A CN 114179392 A CN114179392 A CN 114179392A CN 202111313053 A CN202111313053 A CN 202111313053A CN 114179392 A CN114179392 A CN 114179392A
- Authority
- CN
- China
- Prior art keywords
- heat
- insulating layer
- air bag
- insulation layer
- heat insulation
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 37
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 238000000748 compression moulding Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004073 vulcanization Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000007723 die pressing method Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a method for forming a large-size end socket heat insulation layer, which comprises the steps of firstly forming a part with thicker heat insulation layer around a metal joint in a mould pressing mode, then placing the part with thicker heat insulation layer into an air bag forming tool, and carrying out pressure forming by adopting an air bag after mounting, so that the tool cost can be reduced, equipment investment is not needed, and the production cost is greatly reduced. In addition, the air bag forming tool is composed of a lower die and a cover plate, is connected with an air source to inflate after being assembled with the air bag, then is heated by the oven as a whole, and meanwhile realizes pressurization.
Description
Technical Field
The invention belongs to the technical field of forming of fiber winding engine shell heat insulation structures, and particularly relates to a forming method of a large-size end socket heat insulation layer.
Background
The end socket heat insulating layer is an important part of the fiber winding engine shell heat insulating layer and mainly consists of a metal joint and a heat insulating layer. At present, the heat insulation layers of the front and the rear end sockets are mostly molded integrally, the tool is composed of an upper die and a lower die, a press platform is placed in the tool after the die is filled with the paster, and the pressing forming is carried out by means of external heating. Along with the increase of the diameter of the composite material shell, the cost of the die pressing tool is greatly increased, the size of a platform of die pressing equipment (a press) is also increased, and the input cost of the equipment is also greatly increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for forming a large-size end socket heat insulation layer, which reduces tools and production cost.
In order to achieve the purpose, the invention provides a method for forming a heat insulating layer of a large-size end socket, wherein the end socket comprises a metal joint and the heat insulating layer, and the method for forming the heat insulating layer comprises the following steps:
1) compression molding heat insulating layer of metal joint
1a) Coating primer on the inner and outer surfaces of the metal joint, then drying the metal joint in the air, coating surface glue on the surface of the primer, drying the metal joint in the air, and simultaneously coating surface glue on the inner and outer surfaces of the molded heat insulation layer rubber and drying the metal joint in the air;
1b) sticking the mould pressing heat insulation layer rubber sheets on the inner surface and the outer surface of the metal joint until the thickness of the mould pressing heat insulation layer rubber sheets on the outer surface of the metal joint is consistent with the thickness of the outer layer of the heat insulation layer of the end socket, and the thickness of the mould pressing heat insulation layer rubber sheets on the inner surface of the metal joint is half of the thickness of the inner layer of the heat insulation layer of the end socket;
after the sticking is finished, putting the metal connector into a mould pressing tool, and continuously sticking a mould pressing heat insulation layer rubber sheet according to the thickness of the inner layer of the end socket heat insulation layer until the thickness of the mould pressing heat insulation layer rubber sheet on the inner surface of the metal connector is consistent with the thickness of the inner layer of the end socket heat insulation layer;
1c) after the surface mounting is finished, closing the die, and putting the die pressing tool on a flat vulcanizing machine for vulcanization;
1d) cooling the mould pressing tool along with the equipment, opening the mould pressing tool, demolding the bottom layer, and cleaning the flash to obtain a compression-molded heat insulation layer;
2) air bag pressure forming heat insulating layer
2a) Polishing the bonding surface of the heat-insulating layer subjected to compression molding until fluffing, brushing an adhesive on the bonding surface of the heat-insulating layer subjected to compression molding, and drying;
2b) assembling an air bag forming tool with a metal joint which is compression-molded with a heat insulating layer;
2c) coating an adhesive on the airbag heat-insulating layer adhesive sheet adhered to the heat-insulating layer adhesive surface subjected to compression molding, drying in the air, adhering the airbag heat-insulating layer adhesive sheet to the heat-insulating layer adhesive surface subjected to compression molding, and finally adhering the airbag heat-insulating layer adhesive sheet according to the molded surface of the end enclosure;
2d) after the surface mounting is finished, performing vacuum bag making prepressing treatment, polishing and flattening the uneven positions on the surface of the preformed heat insulation layer, and performing contrast inspection by using a profile template;
2e) assembling the air bag and an air bag forming tool, and then integrally placing the air bag and the air bag forming tool into an oven and connecting a nitrogen source to carry out air bag inflation forming;
2f) and (4) deflating the air bag after cooling, opening the air bag forming tool, demolding and cleaning the flash.
Further, in the step 1c), the specific vulcanization process is as follows: starting a vulcanizing machine, performing cold pressing for 2-4 times at a gauge pressure of 3-4 MPa; heating the mould to 80-100 ℃, then preserving heat for 40-60 min, pressurizing to 3-5 MPa after heat preservation is finished, exhausting for 2-4 times, and finally pressurizing to 3-5 MPa; continuously heating to 110-130 ℃, and exhausting for 2-4 times; then heating to 140-160 ℃, pressurizing to 5-7 MPa, and keeping the temperature for 60-90 min; and cutting off the power and reducing the temperature after the heat preservation is finished.
Further, in the step 1d), the mould pressing tool is opened when the temperature of the mould pressing tool is reduced to below 60 ℃ along with the equipment.
Further, in the step 2b), the air bag forming tool comprises a lower die and a cover plate, and a metal joint with a heat insulation layer in a compression molding mode is arranged between the lower die and the cover plate.
Furthermore, in the step 2c), a groove is formed at the lap joint part of the air bag heat insulation layer rubber sheet and the air bag heat layer rubber sheet.
Further, in the step 2d), the pre-pressing treatment specifically comprises the following steps: and sequentially laying polytetrafluoroethylene glass fiber demolding cloth, the breathable felt and the vacuum bag film on the surface of the heat insulation layer film, finally sealing the edge of the vacuum bag film with a sealing rubber strip for an air bag forming tool, ensuring that the vacuumizing pipe is connected with a vacuum pump to vacuumize after air leakage does not occur, and keeping the vacuumizing pipe in a vacuum state for 20-40 min.
Further, in the step 2e), the specific process of the inflation molding of the airbag is as follows: adjusting the inflation pressure to 0.6-0.8 MPa to slowly inflate the air bag, disconnecting the air source after the inflation is finished, starting the oven to heat, preserving the heat for 3-5 h when the temperature is raised to 140-160 ℃, and cutting off the power and reducing the temperature after the heat preservation is finished.
Compared with the prior art, the invention has the following advantages: according to the method for forming the heat insulating layer of the large-size end socket, the part (generally, the area with the heat insulating layer thickness exceeding 20 mm) with the thicker heat insulating layer around the metal joint is formed in a mould pressing mode, then the part with the thicker heat insulating layer is placed into an air bag forming tool, and the air bag is used for pressure forming after the part is pasted, so that the tool cost can be reduced, equipment investment is not needed, and the production cost is greatly reduced. In addition, the air bag forming tool is composed of a lower die and a cover plate, is connected with an air source to inflate after being assembled with the air bag, then is heated by the oven as a whole, and meanwhile realizes pressurization.
Drawings
Fig. 1 is a schematic structural diagram of the insulation layer of the end socket.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
A method for forming a large-size end socket heat insulation layer comprises the following steps of:
1) the insulating layer 2 of the metal joint is formed by compression molding (the region with the thickness of the insulating layer exceeding 20mm is formed by compression molding)
1a) Cleaning the inner surface and the outer surface of the metal joint by ethyl acetate, then airing, coating primer on the inner surface and the outer surface of the metal joint, then airing, coating face glue on the surface of the primer, and simultaneously coating face glue on the inner surface and the outer surface of the molded heat insulation layer film, and airing;
1b) sticking the mould pressing heat insulation layer rubber sheets on the inner surface and the outer surface of the metal joint until the thickness of the mould pressing heat insulation layer rubber sheets on the outer surface of the metal joint is consistent with the thickness of the outer layer of the heat insulation layer of the end socket, and the thickness of the mould pressing heat insulation layer rubber sheets on the inner surface of the metal joint is half of the thickness of the inner layer of the heat insulation layer of the end socket;
after the sticking is finished, putting the metal connector into a mould pressing tool, and continuously sticking a mould pressing heat insulation layer rubber sheet according to the thickness of the inner layer of the end socket heat insulation layer until the thickness of the mould pressing heat insulation layer rubber sheet on the inner surface of the metal connector is consistent with the thickness of the inner layer of the end socket heat insulation layer;
1c) after the surface mounting is finished, closing the die, and putting the die pressing tool on a flat vulcanizing machine for vulcanization;
the specific vulcanization process is as follows: starting a vulcanizing machine, performing cold pressing for 2-4 times at a gauge pressure of 3-4 MPa; heating the mould to 80-100 ℃, then preserving heat for 40-60 min, pressurizing to 3-5 MPa after heat preservation is finished, exhausting for 2-4 times, and finally pressurizing to 3-5 MPa; continuously heating to 110-130 ℃, and exhausting for 2-4 times; then heating to 140-160 ℃, pressurizing to 5-7 MPa, and keeping the temperature for 60-90 min; cutting off the power and reducing the temperature after the heat preservation is finished;
1d) the mould pressing tool is opened when the temperature of the mould pressing tool is reduced to below 60 ℃ along with the equipment, the bottom layer is demoulded, and the flash is cleaned to obtain a compression-molded heat insulation layer;
2) air bag pressure forming heat insulating layer 4
2a) Polishing the bonding surface 3 of the heat insulating layer 2 formed by compression molding until fluffing, carrying out light inspection without reflection, and then cleaning and drying by using reagents such as alcohol, acetone or ethyl acetate; finally brushing an adhesive on the bonding surface of the heat-insulating layer subjected to compression molding and drying;
2b) assembling an air bag forming tool with a metal joint which is compression-molded and provided with a heat insulating layer, wherein the air bag forming tool comprises a lower die and a cover plate, and the metal joint which is compression-molded and provided with the heat insulating layer is arranged between the lower die and the cover plate;
2c) coating an adhesive on the air bag heat insulating layer film bonded with the compression-molded heat insulating layer bonding surface, drying in the air, bonding the air bag heat insulating layer film on the compression-molded heat insulating layer bonding surface, finally performing air bag heat insulating layer film pasting according to the molding surface of the end enclosure, and performing groove treatment on the lap joint part of the air bag heat insulating layer film and the air bag heat insulating layer film;
2d) after the mounting is finished, performing vacuum bag making prepressing treatment, sequentially laying polytetrafluoroethylene glass fiber demolding cloth, an air-permeable felt and a vacuum bag film on the surface of the heat insulation layer film, finally sealing the edge of the vacuum bag film with a sealing rubber strip for an air bag forming tool, ensuring that the air is not leaked, connecting a vacuum-pumping pipe with a vacuum pump for vacuum pumping, and keeping the vacuum state for 20-40 min;
2e) taking down the vacuum tube, removing the sealant, the vacuum bag film, the air felt and the polytetrafluoroethylene glass fiber demoulding cloth, polishing the uneven position on the surface of the preformed heat insulation layer to be flat, and performing comparison inspection by using a profile sample plate to ensure that the profile meets the requirements;
2f) assembling an air bag and an air bag forming tool, then integrally placing the air bag and the air bag forming tool into an oven and connecting a nitrogen source, adjusting the inflation pressure to be 0.6-0.8 MPa to slowly inflate the air bag, disconnecting the air source after inflation is finished, starting the oven to heat, preserving the heat for 3-5 h when the temperature is raised to 140-160 ℃, and reducing the temperature after heat preservation is finished;
2g) and cooling to below 40 ℃, deflating the air bag, opening the air bag forming tool, demolding and cleaning the flash.
According to the method for forming the heat insulating layer of the large-size end socket, the part (generally, the area with the heat insulating layer thickness exceeding 20 mm) with the thicker heat insulating layer around the metal joint is formed in a mould pressing mode, then the part with the thicker heat insulating layer is placed into an air bag forming tool, and the air bag is used for pressure forming after the part is pasted, so that the tool cost can be reduced, equipment investment is not needed, and the production cost is greatly reduced. In addition, the air bag forming tool is composed of a lower die and a cover plate, is connected with an air source to inflate after being assembled with the air bag, then is heated by the oven as a whole, and meanwhile realizes pressurization.
Claims (7)
1. A method for forming a heat insulating layer of a large-size end socket comprises a metal connector and the heat insulating layer, and is characterized in that: the heat insulation layer forming method specifically comprises the following steps:
1) compression molding heat insulating layer of metal joint
1a) Coating primer on the inner and outer surfaces of the metal joint, then drying the metal joint in the air, coating surface glue on the surface of the primer, drying the metal joint in the air, and simultaneously coating surface glue on the inner and outer surfaces of the molded heat insulation layer rubber and drying the metal joint in the air;
1b) sticking the mould pressing heat insulation layer rubber sheets on the inner surface and the outer surface of the metal joint until the thickness of the mould pressing heat insulation layer rubber sheets on the outer surface of the metal joint is consistent with the thickness of the outer layer of the heat insulation layer of the end socket, and the thickness of the mould pressing heat insulation layer rubber sheets on the inner surface of the metal joint is half of the thickness of the inner layer of the heat insulation layer of the end socket;
after the sticking is finished, putting the metal connector into a mould pressing tool, and continuously sticking a mould pressing heat insulation layer rubber sheet according to the thickness of the inner layer of the end socket heat insulation layer until the thickness of the mould pressing heat insulation layer rubber sheet on the inner surface of the metal connector is consistent with the thickness of the inner layer of the end socket heat insulation layer;
1c) after the surface mounting is finished, closing the die, and putting the die pressing tool on a flat vulcanizing machine for vulcanization;
1d) cooling the mould pressing tool along with the equipment, opening the mould pressing tool, demolding the bottom layer, and cleaning the flash to obtain a compression-molded heat insulation layer;
2) air bag pressure forming heat insulating layer
2a) Polishing the bonding surface of the heat-insulating layer subjected to compression molding until fluffing, brushing an adhesive on the bonding surface of the heat-insulating layer subjected to compression molding, and drying;
2b) assembling an air bag forming tool with a metal joint which is compression-molded with a heat insulating layer;
2c) coating an adhesive on the airbag heat-insulating layer adhesive sheet adhered to the heat-insulating layer adhesive surface subjected to compression molding, drying in the air, adhering the airbag heat-insulating layer adhesive sheet to the heat-insulating layer adhesive surface subjected to compression molding, and finally adhering the airbag heat-insulating layer adhesive sheet according to the molded surface of the end enclosure;
2d) after the surface mounting is finished, performing vacuum bag making prepressing treatment, polishing and flattening the uneven positions on the surface of the preformed heat insulation layer, and performing contrast inspection by using a profile template;
2e) assembling the air bag and an air bag forming tool, and then integrally placing the air bag and the air bag forming tool into an oven and connecting a nitrogen source to carry out air bag inflation forming;
2f) and (4) deflating the air bag after cooling, opening the air bag forming tool, demolding and cleaning the flash.
2. The method for forming a heat insulating layer of a large-size end socket according to claim 1, wherein: in the step 1c), the specific vulcanization process is as follows: starting a vulcanizing machine, performing cold pressing for 2-4 times at a gauge pressure of 3-4 MPa; heating the mould to 80-100 ℃, then preserving heat for 40-60 min, pressurizing to 3-5 MPa after heat preservation is finished, exhausting for 2-4 times, and finally pressurizing to 3-5 MPa; continuously heating to 110-130 ℃, and exhausting for 2-4 times; then heating to 140-160 ℃, pressurizing to 5-7 MPa, and keeping the temperature for 60-90 min; and cutting off the power and reducing the temperature after the heat preservation is finished.
3. The method for forming a heat insulating layer of a large-size end socket according to claim 1, wherein: in the step 1d), the mould pressing tool is opened when the temperature of the mould pressing tool is reduced to below 60 ℃ along with the equipment.
4. The method for forming a heat insulating layer of a large-size end socket according to claim 1, wherein: in the step 2b), the air bag forming tool comprises a lower die and a cover plate, and a metal joint in which a heat insulating layer is formed in a compression molding mode is arranged between the lower die and the cover plate.
5. The method for forming a heat insulating layer of a large-size end socket according to claim 1, wherein: in the step 2c), a groove is formed at the lap joint part of the air bag heat insulation layer rubber sheet and the air bag heat layer rubber sheet.
6. The method for forming a heat insulating layer of a large-size end socket according to claim 1, wherein: in the step 2d), the pre-pressing treatment specifically comprises the following steps: and sequentially laying polytetrafluoroethylene glass fiber demolding cloth, the breathable felt and the vacuum bag film on the surface of the heat insulation layer film, finally sealing the edge of the vacuum bag film with a sealing rubber strip for an air bag forming tool, ensuring that the vacuumizing pipe is connected with a vacuum pump to vacuumize after air leakage does not occur, and keeping the vacuumizing pipe in a vacuum state for 20-40 min.
7. The method for forming a heat insulating layer of a large-size end socket according to claim 1, wherein: in the step 2e), the specific process of the air bag inflation molding is as follows: adjusting the inflation pressure to 0.6-0.8 MPa to slowly inflate the air bag, disconnecting the air source after the inflation is finished, starting the oven to heat, preserving the heat for 3-5 h when the temperature is raised to 140-160 ℃, and cutting off the power and reducing the temperature after the heat preservation is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313053.5A CN114179392B (en) | 2021-11-08 | 2021-11-08 | Forming method of large-size seal head heat insulation layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313053.5A CN114179392B (en) | 2021-11-08 | 2021-11-08 | Forming method of large-size seal head heat insulation layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114179392A true CN114179392A (en) | 2022-03-15 |
| CN114179392B CN114179392B (en) | 2024-05-07 |
Family
ID=80601950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111313053.5A Active CN114179392B (en) | 2021-11-08 | 2021-11-08 | Forming method of large-size seal head heat insulation layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114179392B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701187A (en) * | 2022-04-01 | 2022-07-05 | 湖北三江航天江北机械工程有限公司 | Adiabatic head gasbag forming device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120111132A (en) * | 2011-03-31 | 2012-10-10 | 박찬희 | Curing process of pressure or vacuum for pressure vessel of wet filament winding |
| CN105437521A (en) * | 2015-12-04 | 2016-03-30 | 湖北三江航天江北机械工程有限公司 | Seal head heat insulating layer forming method and mold of filament winding engine heat insulating structure |
| CN107584771A (en) * | 2016-11-03 | 2018-01-16 | 湖北航天化学技术研究所 | Solid propellant rocket internal insulation forming method |
| CN109838321A (en) * | 2017-11-27 | 2019-06-04 | 湖北航天化学技术研究所 | A kind of solid propellant rocket rear head insulating structure and forming method |
| CN111516196A (en) * | 2020-04-10 | 2020-08-11 | 北京玻钢院复合材料有限公司 | Composite material solid rocket engine heat insulation layer structure and preparation method thereof |
| CN112192862A (en) * | 2020-10-19 | 2021-01-08 | 北京蓝科盈晟航空科技有限公司 | Preparation method of composite material rocket engine shell |
| CN112497587A (en) * | 2020-10-27 | 2021-03-16 | 湖北三江航天江北机械工程有限公司 | Method for forming heat insulating layer of fiber-wound engine end socket |
| CN113147055A (en) * | 2021-04-28 | 2021-07-23 | 湖北航天技术研究院总体设计所 | Preparation method of composite material shell of solid rocket engine |
-
2021
- 2021-11-08 CN CN202111313053.5A patent/CN114179392B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120111132A (en) * | 2011-03-31 | 2012-10-10 | 박찬희 | Curing process of pressure or vacuum for pressure vessel of wet filament winding |
| CN105437521A (en) * | 2015-12-04 | 2016-03-30 | 湖北三江航天江北机械工程有限公司 | Seal head heat insulating layer forming method and mold of filament winding engine heat insulating structure |
| CN107584771A (en) * | 2016-11-03 | 2018-01-16 | 湖北航天化学技术研究所 | Solid propellant rocket internal insulation forming method |
| CN109838321A (en) * | 2017-11-27 | 2019-06-04 | 湖北航天化学技术研究所 | A kind of solid propellant rocket rear head insulating structure and forming method |
| CN111516196A (en) * | 2020-04-10 | 2020-08-11 | 北京玻钢院复合材料有限公司 | Composite material solid rocket engine heat insulation layer structure and preparation method thereof |
| CN112192862A (en) * | 2020-10-19 | 2021-01-08 | 北京蓝科盈晟航空科技有限公司 | Preparation method of composite material rocket engine shell |
| CN112497587A (en) * | 2020-10-27 | 2021-03-16 | 湖北三江航天江北机械工程有限公司 | Method for forming heat insulating layer of fiber-wound engine end socket |
| CN113147055A (en) * | 2021-04-28 | 2021-07-23 | 湖北航天技术研究院总体设计所 | Preparation method of composite material shell of solid rocket engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701187A (en) * | 2022-04-01 | 2022-07-05 | 湖北三江航天江北机械工程有限公司 | Adiabatic head gasbag forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114179392B (en) | 2024-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112497587B (en) | Method for forming heat insulating layer of fiber-wound engine end socket | |
| US9364992B2 (en) | Thermoforming device and thermoforming method using hot plate heating | |
| CN108973162B (en) | Groove structure process cover plate and preparation method | |
| CN114179392A (en) | Method for forming large-size end socket heat insulation layer | |
| CN111907091B (en) | Method for pressurizing T-shaped and/or I-shaped long girders of composite material reinforced wallboard | |
| CN110091521B (en) | Forming method of composite material component and composite material component | |
| CN216636802U (en) | Hat type stringer wallboard, preforming frock structure and co-curing packaging structure | |
| CN110884168B (en) | Non-autoclave liquid forming device | |
| US3249479A (en) | Pressing glass-plastic sandwiches | |
| CN112477192A (en) | Forming method of high-rigidity conical-structure carbon fiber composite material pipe | |
| CN112606380B (en) | Method for forming thermal protection layer of spray pipe | |
| CN112936909A (en) | Forming process of thickened V-shaped composite material part at bottom of trainer | |
| CN110667138A (en) | Reinforcing rib-containing carbon fiber antenna surface co-curing forming method | |
| CN215242964U (en) | Vacuum bonding solidification forming device | |
| CN105140326A (en) | Structural member having photovoltaic assembly and preparation method thereof | |
| CN115071167A (en) | Rapid repairing method for epoxy glass fiber reinforced plastic product | |
| CN115534356A (en) | Method for forming heat insulation layer of fiber-wound engine end socket | |
| CN113021944A (en) | Forming method and die for wing | |
| CN108407328B (en) | Hot press molding method of composite material product | |
| CN110919937A (en) | Pure rubber water-gas dual-purpose pressure structure for vulcanizing machine and manufacturing process | |
| CN112140590A (en) | Preparation process of composite material cabin plate | |
| CN114179393B (en) | Forming method of filament wound engine seal head autoclave | |
| CN109016559A (en) | One kind being used for the molding method of the U-shaped beam of composite material | |
| CN114619681A (en) | Method for preparing cavity type carbon fiber parts through integral forming | |
| CN210132846U (en) | Bonding tool with heating function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |