CN106676437A - Aluminum-alloy tank melon petal punching device and punching method - Google Patents
Aluminum-alloy tank melon petal punching device and punching method Download PDFInfo
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- CN106676437A CN106676437A CN201510762667.XA CN201510762667A CN106676437A CN 106676437 A CN106676437 A CN 106676437A CN 201510762667 A CN201510762667 A CN 201510762667A CN 106676437 A CN106676437 A CN 106676437A
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- China
- Prior art keywords
- female die
- forming
- coil
- pressing block
- melon lobe
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention belongs to aerospace design and manufacturing technologies, and particularly discloses an aluminum-alloy tank melon petal punching device and punching method. The punching device comprises an upper pressing block, a molding female die, an insulating padding plate and a lower pressing block, wherein the upper pressing block, the molding female die, the insulating padding plate and the lower pressing block are coaxially installed, the molding female die is arranged on the upper portion of the insulating padding plate which is provided with an installing groove, an inductor coil is arranged in the installing groove, the upper pressing block is arranged on the molding female die, and the lower pressing block is arranged on the lower portion of the insulating padding plate. The punching method comprises the steps that plates are subjected to deep-drawing deformation, punching machining is conducted by means of a magnetic pulse technology, the restrictive use process of secondary solid solution treatment is eliminated, the risk that parts are prone to overburning due to multiple times of solid solution treatment is avoided, and meanwhile tensile strength and yield strength of the parts are improved.
Description
Technical field
The invention belongs to aerospace design manufacturing technology, and in particular to one kind is applied to 2219 aluminium alloys at solid solution
The projecting apertures apparatus and method of the carrier rocket tank melon lobe after reason under Jing deep-drawing deformations state.
Background technology
Carrier rocket store-vessel bottom is made up of melon lobe and top cover welding, and on some melon lobes flanging bore is devised.
Using the forming technology flow process with flanging bore melon lobe and top cover of LD10 aluminum alloy materials.With Project R＆D
Development, designs the requirement more and more higher to product mechanical property, and to the reliability of product higher wanting is proposed
Ask.Certain aluminum alloy materials of new model store-vessel bottom first Application 2219 production, raw material condition of heat treatment is O
State.And 2219 aluminum alloy materials melon lobes and top cover be using existing process flow process when being produced, tensile strength and surrender
Intensity index does not reach design requirement, tensile strength 420MPa, yield strength 320MPa.Additionally, repeatedly
Solution treatment is easily caused part burning.
2219 aluminium alloys belong to heat-treatable strengthened deformation aluminium alloy, carry out again after fixation rates
Certain deformation, the Mechanical Properties of Aluminum Alloys of Jing Ageing Treatments will be largely increased.Research shows, 2219
Comprehensive mechanical property is optimal when aluminum alloy part condition of heat treatment is T87.The state of so-called aluminum alloy T 87 is referred to
Aluminum alloy plate materials are through+7% or so cold deformations of solution heat treatment+artificial aging.
Electromagnetic pulse forming technology is advanced high energy rate forming technology, it is adaptable to aluminum alloy plate materials flanging bore into
Shape, with energy consumption is low, efficiency high, high precision, simple mould the characteristics of, only use topical dye, you can complete
Shape into common projecting apertures.
Magnetic pulse forming techniques are to convert electrical energy into electromagnetic force, and act on the good metal material of electric conductivity
Material brings it about a kind of manufacturing technology of deformation, with high speed, big, pollution-free energy, little resilience, energy-conservation,
Environmentally friendly the advantages of.
The content of the invention
It is an object of the invention to provide a kind of Aluminum alloys tank melon lobe projecting apertures device and projecting apertures method, are used for
The system of the projecting apertures of carrier rocket tank melon lobe of 2219 aluminium alloys after solution treatment under Jing deep-drawing deformations state
It is standby.
Technical scheme is as follows：
A kind of Aluminum alloys tank melon lobe projecting apertures device, including coaxial mounted upper holder block, female die for forming, insulation
Backing plate and lower lock block, described female die for forming is located at the top of insulating pad, and the insulating pad is provided with
Mounting groove, is provided with inductor coil in groove, the upper holder block is located on female die for forming, and the lower lock block is located at
Insulating pad lower section.
In a kind of above-mentioned Aluminum alloys tank melon lobe projecting apertures device：Described being co-axially mounted is referred to, by upper pressure
Block, female die for forming, insulating pad and lower lock block are co-axially mounted using screw rod and clamp nut.
In a kind of above-mentioned Aluminum alloys tank melon lobe projecting apertures device：Also include the coaxial peace being located on upper holder block
The upper gasket of dress.
A kind of Aluminum alloys tank melon lobe projecting apertures method, the method comprises the steps：
1) solution treatment
2219-T87 aluminum alloy plate materials are heated to into 500～550 degrees Celsius in heat-treatment furnace, insulation 50～70
Minute, moving on in 10～20 seconds in tank, water temperature is taken out in 20-30 degree after being completely immersed in 4～6 minutes；
2) to store-vessel bottom melon lobe drawing and forming；
3) pre-manufactured hole is processed on melon lobe；
4) coil
Using 6～20 squares of multiply copper conductors or copper bar, coil turn is 5～20, and internal coil diameter size is than prefabricated
The little 10-15mm of bore dia；
5) part 4 is placed between female die for forming 3 and inductor coil 5；
6) electric discharge shaping
Inductor coil 5 and magnetic field impulse equipment are connected, discharge 5-30kJ；
7) part 4 is taken out between female die for forming 3 and inductor coil 5；
8) surface of part 4 is cleared up；
9) Ageing Treatment
Part 4 is carried out into Ageing Treatment, 140～160 degrees Celsius of temperature, insulation is taken out after 16～20 hours.
The present invention remarkable result be：Sheet material is carried out first after deep-drawing deformation, magnetic pulse technology is being applied
Projecting apertures processing is carried out, eliminate Limited use technique Secondary Solid Solution Treatment, it is to avoid part is because of multiple solid solution
Process is susceptible to the risk of burning, while improve the tensile strength and yield strength of part；Projecting apertures device
Using magnetic induction coil, inductor system and magnetic field impulse equipment are connected, adjusting device discharge energy, electric discharge
, by checking that part is fitted situation with mould tire, multiple discharge shapes, and formation of parts intensity is higher, essence
Degree is higher, and simple using mould, with low cost.
In addition, using disposable inductor, manufacturing cost is relatively low, it is adapted to small batch production.
Selected by the adjustment to discharge parameter, inductor coil parameter, different shape, size can be suitable for
Projecting apertures, use range is extensive.
Using 2219-T87 aluminum alloy plate materials, the tensile strength, surrender Jing after solution treatment-stretcher strain is strong
The mechanical property such as degree and elongation percentage strengthens, and product reliability is higher.
Description of the drawings
Fig. 1 is Aluminum alloys tank melon lobe projecting apertures schematic device；
In figure：1. upper gasket；2. upper holder block；3. female die for forming；4. part；5. inductor coil；6. felt pad
Plate；7. lower lock block；8. screw rod；9. clamp nut.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in figure 1, the device include coaxial mounted upper holder block 2, female die for forming 3, insulating pad 6 with
And lower lock block 7.
Female die for forming 3 is arranged on the top of insulating pad 6, and in the upper surface of insulating pad 6 mounting groove is processed,
Place inductor coil 5.The part 4 for needing processing is placed between female die for forming 3 and inductor coil 5.On
Briquetting 2 is arranged on female die for forming 3, is played a part of to position and is compressed.Lower lock block 7 is located at insulating pad 6
Lower section.
Described being co-axially mounted is referred to, by upper holder block 2, female die for forming 3, insulating pad 6 and lower lock block 7
It is co-axially mounted using screw rod 8 and clamp nut 9.
Plus man-hour part 4 is located between female die for forming 3 and inductor coil 5, and it is placed on insulating pad 6
On.
Also coaxial installation upper gasket 1 on upper holder block 2, screw rod 8 is passed through after upper gasket 1, then by tight
Gu nut 9 further compresses upper gasket 1, while upper holder block 2 and lower lock block 7 are by screw rod 8 and fastening
Whole device is connected and is compressed by nut 9.
The Aluminum alloys tank melon lobe projecting apertures method completed using said apparatus is specifically described below.
1) solution treatment
2219-T87 aluminum alloy plate materials are heated to into 530 degree in heat-treatment furnace, 60 minutes are incubated, 15
Move on in tank in second, water temperature is taken out in 20-30 degree after being completely immersed in 5 minutes.
2) to store-vessel bottom melon lobe drawing and forming
The type face of store-vessel bottom melon lobe is ellipsoid, is inhomogeneous deformation, and it is entered using hydraulic press and mould
Row drawing and forming；
3) pre-manufactured hole is processed on melon lobe
According to the size of projecting apertures diameter on melon lobe, projecting apertures height, according to area principle of invariance, is calculated pre-
The size of drilling.If 100mm projecting apertures pre-manufactured hole is 87mm；120mm projecting apertures pre-manufactured hole is 107mm；
The like.
4) coil
Using 6～20 squares of multiply copper conductors or copper bar, coil turn is 5～20, and internal coil diameter size is than prefabricated
The little 10-15mm of bore dia.
5) install
Part 4 is placed between female die for forming 3 and inductor coil 5.
6) electric discharge shaping
Inductor coil 5 and magnetic field impulse equipment are connected, adjusting device discharge energy, electric discharge, electric discharge
Energy is typically in 5-30kJ；Magnetic field impulse equipment discharge energy be 1-50kJ, frequency 33.3kv.
7) part is taken out
Part 4 is taken out between female die for forming 3 and inductor coil 5.
8) part is cleared up
Manual emery cloth clears up the excess surface thing of part 4.
9) Ageing Treatment
Part 4 is placed in heat-treatment furnace carries out Ageing Treatment, 160 degree of temperature, and insulation is taken out after 18 hours.
Claims (4)
1. a kind of Aluminum alloys tank melon lobe projecting apertures device, including coaxial mounted upper holder block (2), female die for forming
(3), insulating pad (6) and lower lock block (7), it is characterised in that：Described female die for forming (3) sets
In the top of insulating pad (6), the insulating pad (6) is provided with mounting groove, inductor is provided with groove
Coil (5), the upper holder block (2) is located on female die for forming (3), and the lower lock block (7) is located at insulation
Backing plate (6) lower section.
2. a kind of Aluminum alloys tank melon lobe projecting apertures device as claimed in claim 1, it is characterised in that：It is described
Be co-axially mounted and refer to, by upper holder block (2), female die for forming (3), insulating pad (6) and lower lock block (7)
It is co-axially mounted using screw rod (8) and clamp nut (9).
3. a kind of Aluminum alloys tank melon lobe projecting apertures device as claimed in claim 1, it is characterised in that：Also wrap
Include the coaxial mounted upper gasket (1) on upper holder block (2).
4. a kind of Aluminum alloys tank melon lobe projecting apertures method, it is characterised in that the method comprises the steps：
1) solution treatment
2219-T87 aluminum alloy plate materials are heated to into 500～550 degrees Celsius in heat-treatment furnace, insulation 50～70
Minute, moving on in 10～20 seconds in tank, water temperature is taken out in 20-30 degree after being completely immersed in 4～6 minutes；
2) to store-vessel bottom melon lobe drawing and forming；
3) pre-manufactured hole is processed on melon lobe；
4) coil
Using 6～20 squares of multiply copper conductors or copper bar, coil turn is 5～20, and internal coil diameter size is than prefabricated
The little 10-15mm of bore dia；
5) part (4) is placed between female die for forming (3) and inductor coil (5)；
6) electric discharge shaping
Inductor coil (5) and magnetic field impulse equipment are connected, discharge 5-30kJ；
7) part (4) is taken out between female die for forming (3) and inductor coil (5)；
8) part (4) surface is cleared up；
9) Ageing Treatment
Part (4) is carried out into Ageing Treatment, 140～160 degrees Celsius of temperature, insulation is taken out after 16～20 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762667.XA CN106676437A (en) | 2015-11-10 | 2015-11-10 | Aluminum-alloy tank melon petal punching device and punching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762667.XA CN106676437A (en) | 2015-11-10 | 2015-11-10 | Aluminum-alloy tank melon petal punching device and punching method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106676437A true CN106676437A (en) | 2017-05-17 |
Family
ID=58864707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510762667.XA Pending CN106676437A (en) | 2015-11-10 | 2015-11-10 | Aluminum-alloy tank melon petal punching device and punching method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695156A (en) * | 2017-10-13 | 2018-02-16 | 天津航天长征火箭制造有限公司 | A kind of Ф 3350mm ellipsoids melon valve normal direction hole projecting apertures mould and technique |
| CN107952860A (en) * | 2017-11-03 | 2018-04-24 | 首都航天机械公司 | It is a kind of to prevent the fracture of magnetic field impulse projecting apertures fillet and thinned method |
| CN109590373A (en) * | 2018-11-16 | 2019-04-09 | 首都航天机械有限公司 | Carrier rocket tank sinker thin-wall stainless steel cone-shaped component integral forming method |
| CN110791719A (en) * | 2019-10-28 | 2020-02-14 | 华中科技大学 | Aluminum alloy electromagnetic forming composite heat treatment method and product |
| CN112247484A (en) * | 2020-09-28 | 2021-01-22 | 天津航天长征火箭制造有限公司 | Heating convex hole forming method for melon petal at bottom of 2219 aluminum alloy storage box |
| CN112846665A (en) * | 2021-01-06 | 2021-05-28 | 王志刚 | Production method of axial metal sealing ring |
| CN113290353A (en) * | 2021-06-07 | 2021-08-24 | 四川航天长征装备制造有限公司 | Method for forming small-aperture flanging convex hole of aluminum alloy top cover |
| CN114770132A (en) * | 2022-06-21 | 2022-07-22 | 四川航天长征装备制造有限公司 | High-strength aluminum alloy melon petal side hole electromagnetic flanging device and method |
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| US6458423B1 (en) * | 1999-08-03 | 2002-10-01 | David M. Goodson | Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof |
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Patent Citations (4)
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| US6458423B1 (en) * | 1999-08-03 | 2002-10-01 | David M. Goodson | Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof |
| CN200945554Y (en) * | 2006-09-19 | 2007-09-12 | 上海航天设备制造总厂 | Tank welding turning combination fixture |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695156A (en) * | 2017-10-13 | 2018-02-16 | 天津航天长征火箭制造有限公司 | A kind of Ф 3350mm ellipsoids melon valve normal direction hole projecting apertures mould and technique |
| CN107695156B (en) * | 2017-10-13 | 2024-04-19 | 天津航天长征火箭制造有限公司 | Normal Kong Tukong die and process for phi 3350mm ellipsoidal melon petals |
| CN107952860A (en) * | 2017-11-03 | 2018-04-24 | 首都航天机械公司 | It is a kind of to prevent the fracture of magnetic field impulse projecting apertures fillet and thinned method |
| CN109590373A (en) * | 2018-11-16 | 2019-04-09 | 首都航天机械有限公司 | Carrier rocket tank sinker thin-wall stainless steel cone-shaped component integral forming method |
| CN110791719A (en) * | 2019-10-28 | 2020-02-14 | 华中科技大学 | Aluminum alloy electromagnetic forming composite heat treatment method and product |
| CN110791719B (en) * | 2019-10-28 | 2021-06-29 | 华中科技大学 | Aluminum alloy electromagnetic forming composite heat treatment method and product |
| CN112247484A (en) * | 2020-09-28 | 2021-01-22 | 天津航天长征火箭制造有限公司 | Heating convex hole forming method for melon petal at bottom of 2219 aluminum alloy storage box |
| CN112846665A (en) * | 2021-01-06 | 2021-05-28 | 王志刚 | Production method of axial metal sealing ring |
| CN113290353A (en) * | 2021-06-07 | 2021-08-24 | 四川航天长征装备制造有限公司 | Method for forming small-aperture flanging convex hole of aluminum alloy top cover |
| CN114770132A (en) * | 2022-06-21 | 2022-07-22 | 四川航天长征装备制造有限公司 | High-strength aluminum alloy melon petal side hole electromagnetic flanging device and method |
| WO2023245954A1 (en) * | 2022-06-21 | 2023-12-28 | 四川航天长征装备制造有限公司 | Device and method for electromagnetic edge turning of side hole in high-strength aluminum alloy ellipsoidal thin-wall member |
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Application publication date: 20170517 |