CN106826104B - Method for forming anti-sloshing plate of carrier rocket storage tank - Google Patents
Method for forming anti-sloshing plate of carrier rocket storage tank Download PDFInfo
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- CN106826104B CN106826104B CN201510884665.8A CN201510884665A CN106826104B CN 106826104 B CN106826104 B CN 106826104B CN 201510884665 A CN201510884665 A CN 201510884665A CN 106826104 B CN106826104 B CN 106826104B
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- carrier rocket
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- storage tank
- sloshing
- rocket storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
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- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Carbon And Carbon Compounds (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a carrier rocket storage tank anti-sloshing plate forming method, which comprises the steps of extending a margin area according to the area without reinforced flanging of the carrier rocket storage tank anti-sloshing plate part at the periphery in an annealing state, adding the shape cutting blanking of a developed blank after the reinforced flanging in the margin area, clamping a carrier rocket storage tank anti-sloshing plate between an upper die and a lower die of a knocking and bending die according to a preset position, knocking and bending the reinforced flanging to form, correcting the carrier rocket storage tank anti-sloshing plate after quenching, clamping the corrected carrier rocket storage tank anti-sloshing plate between the upper die and the lower die of the knocking and bending die, correcting the planeness of a large plane by utilizing hydraulic pressure, correcting the reinforced flanging which is not jointed with the upper die and the lower die of the knocking and bending die at the local part of the carrier rocket storage tank anti-sloshing plate, effectively improving the distortion and deformation of the part after quenching, and reducing the time of the shape correction of the part after quenching, the problems of serious quenching deformation and large shape correction workload after the carrier rocket anti-sloshing plate is formed are solved.
Description
Technical Field
The invention belongs to the field of metal forming, and particularly relates to a forming method of a carrier rocket storage tank anti-sloshing plate.
Background
The carrier rocket storage tank anti-sway plate is used as an important anti-sway device and is arranged in a carrier rocket fuel storage tank in a manner of being in screwed connection with the inner corner piece of the storage tank so as to control the sway of the propellant in the storage tank and ensure the stability of the attitude of the rocket during the flight and the normal work of an engine.
The anti-sway plate is made of an annealed (M-state) hard aluminum alloy such as L Y12, and the like, and is quenched and strengthened through heat treatment after forming, because the parts generally have the characteristics of thin wall (1.2 mm) and large size, the parts are seriously twisted and deformed after quenching treatment, the structural characteristics of the thin wall and the large size also make the shape correction of the parts difficult, and the surface quality of the parts after being largely corrected and hammered is poor.
The common forming method comprises the steps of forming the appearance of a part in an annealing state, and correcting the distortion and deformation of the part after quenching. Because the demand for the parts in the carrier rocket storage tank is large, taking a newly developed booster as an example, 200 anti-sloshing plate parts are needed only by a liquid oxygen tank, a large amount of shape correction work influences the production efficiency and the surface quality of products, and part of anti-sloshing ring parts cannot be corrected to the required shape of the parts due to large size and thin wall after quenching due to serious distortion deformation, so that a method for forming the anti-sloshing ring parts, which can effectively prevent the deformation after quenching and improve the shape correction efficiency after quenching, is urgently needed.
Disclosure of Invention
The invention aims to provide a forming method of an anti-sloshing plate of a carrier rocket storage tank, which can effectively prevent an anti-sloshing ring from deforming after quenching, improve the shaping efficiency after quenching, and solve the problems of low efficiency and low surface quality caused by the traditional shaping method of the anti-sloshing ring in an annealing state and shaping after quenching.
In order to solve the problems, the invention provides a method for forming a carrier rocket tank anti-sloshing plate, which comprises the following steps:
in an annealing state, extending a margin area according to the area of the carrier rocket storage tank anti-sloshing plate part without the reinforced flanging at the periphery, adding the appearance of the expanded blank after the reinforced flanging in the margin area, cutting and blanking, and removing burrs to form a carrier rocket storage tank anti-sloshing plate;
clamping the anti-sloshing plate flat plate of the carrier rocket storage tank between an upper die and a lower die of a bending die according to a preset position, and bending and forming the reinforced flanging in a gradual bending mode;
after quenching the anti-sloshing plate of the carrier rocket storage tank formed by clinching, quickly correcting the anti-sloshing plate of the carrier rocket storage tank by utilizing a manual reverse bending mode;
the corrected carrier rocket storage tank anti-sloshing plate is clamped between an upper die and a lower die of the bending die, and the planeness of the large plane of the carrier rocket storage tank anti-sloshing plate is corrected by utilizing hydraulic pressure for shape correction;
after hydraulic sizing, the reinforcing flanges which are not attached to the upper die and the lower die of the bending die are partially corrected, and finally the product appearance of the carrier rocket storage box anti-sloshing plate is cut, and burrs are removed.
Further, in the above method, the carrier rocket tank anti-sloshing plate member is a flat plate of 1/2 circle or arc, and the radius of the circle or arc is consistent with the radius of the inner side of the tank.
Further, in the above method, the reinforcing flange of the margin region is a short L-shaped structure 90 ° reinforcing flange.
Further, in the above method, the shaping force of the hydraulic shaping is not greater than a pressure that causes the launch vehicle tank slosh guard feature to produce a reduction of greater than 10%.
Further, in the above method, the margin region is shifted by 10mm to the outside from the outer shape of the carrier rocket tank slosh prevention panel part.
Further, in the above method, the height of the reinforcing flange of the margin area is equal to the height of the reinforcing flange of the anti-sloshing plate part of the carrier rocket tank.
Compared with the prior art, the invention extends a margin area in the area without the reinforced flanging at the periphery of the carrier rocket storage box anti-sloshing plate part 5 in an annealing state, adds the appearance cutting blanking of the expanded blank after the reinforced flanging in the margin area, clamps a carrier rocket storage box anti-sloshing plate between an upper die and a lower die of a bending die according to a preset position, bends and shapes the reinforced flanging in a gradual bending mode, quickly corrects the carrier rocket storage box anti-sloshing plate in a manual reverse bending mode after quenching the carrier rocket storage box anti-sloshing plate formed by bending and shaping, clamps the corrected carrier rocket storage box anti-sloshing plate between the upper die and the lower die of the bending die, corrects the planeness of the large plane of the carrier rocket storage box anti-sloshing plate by hydraulic correction, and corrects the local part of the carrier storage box anti-sloshing plate and the upper die, the lower die, the edge of the carrier rocket storage box anti-sloshing plate and the upper die, The lower die is not jointed with the reinforced flanging for correction, and finally the product appearance of the anti-shaking plate of the carrier rocket storage tank is cut, namely, the allowance area and the reinforced flanging are added on the sheet part, and the method of die pressure shape correction is adopted after quenching, so that the distortion and deformation of the part after quenching are effectively improved, the time for shape correction of the part after quenching is reduced, and the problems of serious quenching deformation and large shape correction workload of the anti-shaking plate of the carrier rocket after forming are solved.
Drawings
FIG. 1 is a flow chart of a method of forming a launch vehicle tank slosh guard in accordance with an embodiment of the present invention;
FIG. 2 is a structural view of a reinforced flange added to the margin of the anti-sloshing plate of the carrier rocket tank according to an embodiment of the present invention;
FIG. 3 is a schematic view of the carrier rocket tank slosh guard of one embodiment of the present invention clamped securely in the upper and lower dies of the clincher die;
FIG. 4 is a schematic view of a carrier rocket tank anti-sloshing plate shape-corrected by a hydraulic press according to an embodiment of the present invention;
wherein, 1 is an upper die of the bending knocking die, 2 is an unfolded blank, and 3 is a lower die of the bending knocking die.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1, the present invention provides a carrier rocket tank anti-sloshing plate comprising:
step S1, as shown in figure 2, in an annealing state, extending a margin area 4 according to the area of the carrier rocket tank anti-sloshing plate part 5 without the reinforced flanging on the periphery, adding the appearance cutting blanking of the unfolded blank 2 after the reinforced flanging on the margin area 4, and removing burrs to form a carrier rocket tank anti-sloshing plate flat plate; the anti-sway plate heat-treatable reinforced aluminum alloy utilizes the characteristics of good plasticity and easiness in forming in an annealing state, and is formed in the annealing state, the margin area 4 is added during the annealing state forming of the anti-sway plate, and the reinforcing flanging for increasing the rigidity of parts is used for restraining the plate, so that the deformation of the plate during quenching is effectively reduced, the hydraulic shape correction of a die is adopted after quenching, the shape correction efficiency is improved, and a large number of marks formed by hammering shape correction are avoided;
step S2, as shown in figure 3, clamping the anti-sloshing plate flat plate of the carrier rocket storage tank between the upper and lower dies 1 and 3 of the bending die according to a preset position, and bending and forming the reinforced flanging in a gradual bending mode;
step S3, after quenching the anti-sloshing plate of the carrier rocket storage tank formed by clinching, quickly correcting the anti-sloshing plate of the carrier rocket storage tank by utilizing a manual reverse bending mode; after the reinforced flanging part with the added allowance area is formed, quenching heat treatment is performed for reinforcement, and the deformation of the part is obviously reduced;
step S4, as shown in figure 4, clamping the corrected carrier rocket tank anti-sloshing plate between the upper and lower dies 1 and 3 of the bending die, and correcting the planeness of the large plane of the carrier rocket tank anti-sloshing plate by utilizing hydraulic correction; after quenching heat treatment of the anti-shaking plate, hydraulic correction is performed by using a die, so that the correction efficiency is improved, and a large number of marks formed by hammering correction are avoided;
s5, after hydraulic shaping, the local part of the anti-sway plate of the carrier rocket storage box is corrected with the reinforced flanging which is not jointed with the upper and lower dies 1 and 3 of the bending die, and finally the product appearance of the anti-sway plate of the carrier rocket storage box is cut and burrs are removed, wherein the anti-sway plate raw material is generally in an annealing state of heat treatment reinforced hard aluminum alloy such as L Y12, and the like, and the plastic shaping of the annealed plate is utilized.
Preferably, the carrier rocket tank anti-sloshing plate part is a flat plate of 1/2 circle or circular arc, and the radius of the circle or circular arc is consistent with the radius of the inner side of the tank.
Preferably, the reinforcing flange is a short L-shaped structure 90-degree reinforcing flange.
Preferably, as shown in FIG. 4, the hydroforming force F is not greater than a pressure that would cause the launch vehicle tank anti-slosh plate feature to produce a reduction of greater than 10%.
Preferably, the margin area is shifted by 10mm to the outside from the outer shape of the anti-sloshing plate part of the carrier rocket tank.
Preferably, the height of the reinforcing flange of the allowance area is equal to the height of the reinforcing flange of the anti-sloshing plate part of the carrier rocket storage tank.
In summary, in the invention, in an annealed state, a margin area is extended from a region without a reinforced flanging at the periphery of a carrier rocket storage tank anti-sloshing plate part 5, the margin area is added with the shape cutting and blanking of a developed blank after the reinforced flanging, a carrier rocket storage tank anti-sloshing plate is clamped between an upper die and a lower die of a knocking and bending die according to a preset position, the reinforced flanging is formed by knocking and bending gradually, the carrier rocket storage tank anti-sloshing plate formed by knocking and bending is quickly corrected by a manual reverse bending mode after being quenched, the corrected carrier rocket storage tank anti-sloshing plate is clamped between the upper die and the lower die of the knocking and bending die, the planeness of a large plane of the carrier rocket storage tank anti-sloshing plate is corrected by hydraulic correction, and after the hydraulic correction, the local part of the carrier rocket storage tank anti-sloshing plate and the upper die of the knocking and the bending die, The lower die is not jointed with the reinforced flanging for correction, and finally the product appearance of the anti-shaking plate of the carrier rocket storage tank is cut, namely, the allowance area and the reinforced flanging are added on the sheet part, and the method of die pressure shape correction is adopted after quenching, so that the distortion and deformation of the part after quenching are effectively improved, the time for shape correction of the part after quenching is reduced, and the problems of serious quenching deformation and large shape correction workload of the anti-shaking plate of the carrier rocket after forming are solved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A method for forming a carrier rocket tank anti-sloshing plate is characterized by comprising the following steps:
in an annealing state, extending a margin area in an area without a reinforced flanging of the anti-sloshing plate part of the carrier rocket storage tank, cutting and blanking the margin area according to the appearance of the unfolded blank after the reinforced flanging, and removing burrs to form an anti-sloshing plate of the carrier rocket storage tank;
clamping the anti-sloshing plate flat plate of the carrier rocket storage tank between an upper die and a lower die of a bending die according to a preset position, and bending the reinforced flanging added in the allowance area in a gradual bending mode to form the reinforced flanging;
after quenching the anti-sloshing plate of the carrier rocket storage tank formed by clinching, quickly correcting the anti-sloshing plate of the carrier rocket storage tank by utilizing a manual reverse bending mode;
the corrected carrier rocket storage tank anti-sloshing plate is clamped between an upper die and a lower die of the bending die, and the planeness of the large plane of the carrier rocket storage tank anti-sloshing plate is corrected by utilizing hydraulic pressure for shape correction;
and after hydraulic sizing, the local part of the anti-sloshing plate of the carrier rocket storage tank is corrected with the reinforced flanges which are not jointed with the upper die and the lower die of the bending die, and finally the product appearance of the anti-sloshing plate of the carrier rocket storage tank is cut and burrs are removed.
2. The method of forming a launch vehicle tank slosh guard of claim 1 wherein said launch vehicle tank slosh guard feature is a flat plate having an arc of a radius that is coincident with the tank inside radius.
3. The method of forming a launch vehicle tank slosh guard of claim 1 wherein said marginal zone reinforcing flange is a short L shaped structural 90 ° reinforcing flange.
4. The method of forming a launch vehicle tank anti-slosh plate of claim 1 wherein the hydroforming force is not greater than a pressure that would cause the launch vehicle tank anti-slosh plate part to produce a reduction of greater than 10%.
5. The method of forming a launch vehicle tank slosh guard of claim 1 wherein the margin is offset to the outside by 10mm from the contour of the launch vehicle tank slosh guard component.
6. The method of forming a launch vehicle tank anti-slosh plate in accordance with any one of claims 1 to 5 wherein the height of the reinforcement flange of the margin region is equal to the height of the reinforcement flange of the launch vehicle tank anti-slosh plate part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510884665.8A CN106826104B (en) | 2015-12-07 | 2015-12-07 | Method for forming anti-sloshing plate of carrier rocket storage tank |
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| CN201510884665.8A CN106826104B (en) | 2015-12-07 | 2015-12-07 | Method for forming anti-sloshing plate of carrier rocket storage tank |
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| CN106826104A CN106826104A (en) | 2017-06-13 |
| CN106826104B true CN106826104B (en) | 2020-07-10 |
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| CN112975296A (en) * | 2021-03-08 | 2021-06-18 | 哈尔滨汽轮机厂有限责任公司 | Manufacturing method of 300 MW-grade F-grade reburning combustion chamber transition section liner rear sealing ring |
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| US5473817A (en) * | 1993-12-21 | 1995-12-12 | United Technologies Corporation | Method of making cooled rocket combustion chamber construction |
| CN1095720C (en) * | 1997-10-30 | 2002-12-11 | 沃尔沃航空有限公司 | Method for producing rotational-symmetrical articles of sheet metal with double curved surface and varying thickness of material |
| CN104541597B (en) * | 2008-06-27 | 2015-04-22 | 上海航天精密机械研究所 | Rocket tank hydraulic environment strain detection testing device and preparation method thereof |
| CN101797682B (en) * | 2010-01-20 | 2011-09-14 | 西安鹏程机电设备有限公司 | Process and mould for manufacturing megavolt ultrahigh voltage transmission shell reducing cylinder |
| CN103753119A (en) * | 2013-12-09 | 2014-04-30 | 北京航星机器制造有限公司 | Lightweight wall panel superplastic forming production method |
| CN104648696B (en) * | 2014-12-11 | 2017-01-04 | 上海空间推进研究所 | Space metal propellant tank and manufacture method thereof |
| CN104612857B (en) * | 2014-12-11 | 2017-01-11 | 上海空间推进研究所 | Assembly method of propellant storage tank capable of being used repeatedly in gravity environment |
| CN104907375B (en) * | 2015-05-15 | 2016-09-21 | 中国南方航空工业(集团)有限公司 | A kind of spiral case plate forming method and mould thereof |
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