CN109352269A - A kind of metal plate forming method of twin columns curved surface - Google Patents
A kind of metal plate forming method of twin columns curved surface Download PDFInfo
- Publication number
- CN109352269A CN109352269A CN201811254671.5A CN201811254671A CN109352269A CN 109352269 A CN109352269 A CN 109352269A CN 201811254671 A CN201811254671 A CN 201811254671A CN 109352269 A CN109352269 A CN 109352269A
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- China
- Prior art keywords
- plate
- curved surface
- box
- twin columns
- sheet metal
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- 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.)
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Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 4
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention provides a kind of metal plate forming methods of twin columns curved surface, and the three-dimensional sheet metal structural of Fragile cap shell is expanded into planar structure along bicylindrical intersection using Three-dimensional Design Software；According to planar structure, plate is cut using Numerical control cutting software control；The plate of well cutting is placed in the box of setting, plate four while it is corresponding be fixed on box four while in edge, plate positioning forming, the size on edge is identical as the bottom edge physical dimension of Fragile cap shell in the box；Plate is carried out to welded corner joint, symmetrical welding；Finally plate appearance is modified, forms rounding off.The present invention greatly reduces aluminium alloy twin columns curved surface sheet metal structural forming difficulty, solves aluminium alloy twin columns curved surface sheet metal structural Problems in forming.
Description
Technical field
The present invention relates to a kind of metal plate welding forming methods, belong to the advanced molding and technique skill in advanced manufacturing technology field
Art.
Background technique
In the design structure of box storage and transportation apparatus, Fragile cap shell is used for tank ends, has pressure-bearing and protects internal object
The effect of body.Since Fragile cap generally uses glass steel material to manufacture, shape is complex, in order to cooperate with it, Fragile cap
Shell is generally also designed to twin columns curved-surface structure.If yield is larger, mould punching form is can be used in the parts such as general Fragile cap shell,
But the manufacture of its mold and manufacturing cycle are long, unsuitable for the mode of small lot development and production.
Aluminium alloy have high specific strength, fracture toughness, fatigue strength and corrosion-resistant stability, and have it is good at
Shape craftsmanship and good weldability, therefore become most widely used one kind non-ferrous metal structural material in aerospace industry.
For example, the various Large Launch Vehicle wide selections aluminium alloy that China develops is as primary structural material.The storage of various kinds of equipment
It deposits case, crew module etc. and also all uses aluminium alloy as structural material.
In order to make full use of the advantage of aluminum alloy solder technology, the process of Fragile cap shell forming, Ke Yikao are advanced optimized
Consider and improved using the technical process of the expansion of model three-dimensional, CNC cutting, welding forming, that is, uses blanking, cutting and welding
Technical process, the forming of Fragile cap shell can be realized, substantially reduce manufacturing cost.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of metal plate forming method of twin columns curved surface, can reduce
The manufacturing cost of aluminium alloy twin columns curved surface sheet metal structural, so that aluminium alloy twin columns curved surface sheet metal structural forms.
The technical solution adopted by the present invention to solve the technical problems is the following steps are included: using Three-dimensional Design Software along double
The three-dimensional sheet metal structural of Fragile cap shell is expanded into planar structure by cylinder intersection；It is soft using Numerical control cutting according to planar structure
Part control cutting plate；The plate of well cutting is placed in the box of setting, plate four while it is corresponding be fixed on box four while in edge,
Plate positioning shapes, and the size on edge is identical as the bottom edge physical dimension of Fragile cap shell in the box；Plate is carried out to fillet welding
It connects, symmetrical welding；Finally plate appearance is modified, forms rounding off.
The beneficial effects of the present invention are: greatly reducing aluminium alloy twin columns curved surface sheet metal structural forming difficulty, solves aluminium
Alloy double curved surface of column sheet metal structural Problems in forming.
Compared with mold processes aluminium alloy twin columns curved surface sheet metal structural manufacturing process, mold processes aluminium alloy twin columns curved surface metal plate
Since mold processing needs to process the components such as upper die and lower die seat, blank holder, punch-pin, outer dimension in golden structure formation method
For 2000mm × 1900mm × 800mm, and weight then reaches about 11000kg.Meanwhile matching used press machine, master cylinder pressure
Power >=5000kN, press bench size are not less than 3150mm × 1900mm.The so high input cost of relative usage mold,
If production cost 80% can be reduced using model three-dimensional expansion of the invention, the technical process of CNC cutting, welding forming
More than.Because passing through three dimensional design and Numerical control cutting, it is ensured that the appearance forming of aluminium alloy twin columns curved surface sheet metal structural.Lead to again
It crosses box and forces the methods of conjunction and welding forming, operation, control are greatly improved using simplicity, precision and efficiency.
Detailed description of the invention
Fig. 1 is step schematic diagram of the invention；
Fig. 2 is Fragile cap shell structure schematic diagram figure；
Fig. 3 is the sheet-metal unfolding figure of Fragile cap shell.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
As shown in Figure 1, the forming process of aluminium alloy twin columns curved surface sheet metal structural provided by the invention include: firstly, using
Three-dimensional sheet metal structural is expanded into flat sheet along bicylindrical intersection by Three-dimensional Design Software and Numerical control cutting software；It is setting again
The plate of well cutting is positioned into forming in fixed box；Using argon arc welding welding method, carry out to welded corner joint, symmetrical welding；Most
Appearance is modified using the methods of mechanical grinding afterwards, forms rounding off.
Example 1
The forming of 1200 × 1190 aluminium alloy twin columns curved surface sheet metal structural of outer dimension.
In view of Fragile cap shell is Bicylindrical Surface intersecting shape structure, shape is as shown in Figure 2.It is soft using Pro/E three dimensional design
The sheet metal module of part has carried out sheet-metal unfolding, as shown in Figure 3.
In next step, plate is cut on numerical control plasma cutting machine using after the programming of FastCam numerical control software, essence
Ensure to demonstrate,prove and mutually pass through the round and smooth excessive of curve, this is the important guarantee that subsequent welding goes out qualified products.Blanking and then use numerical control
Bending machine bends the Fragile cap shell flange of appropriate height.
Furthermore a square frame is welded out using profile, inner cavity is dimensioned to 1200mm × 1190mm, thus may be used
Implement to weld in frame so that bow to be limited at the alloy plate material of cambered surface.Then it is welded using non-melting electrode argon arc welding machine
It connects.The NaOH of acetone and 6-10% is required to clean the region of interface and two sides 20mm at welding junction.Then use φ 0.15mm
Stainless steel wire brush cleaning, until exposing metallic luster.When welding, repositioned after each block of aluminium sheet of space split first
Weldering.In next step, welding Fragile cap shell.It is welded in welding section using diagonal sequence, symmetrical welding.
Finally, carrying out mechanical chipping to backing weld seam using angle grinder, the rounding off of intersection is formed.
Example 2
The forming of 1209 × 1168 aluminium alloy twin columns curved surface sheet metal structural of outer dimension.
In view of Fragile cap shell be Bicylindrical Surface intersecting shape structure, using Pro/E Three-dimensional Design Software sheet metal module into
Sheet-metal unfolding is gone.
In next step, plate is cut on numerical control plasma cutting machine using after the programming of FastCam numerical control software, essence
Ensure to demonstrate,prove and mutually pass through the round and smooth excessive of curve, this is the important guarantee that subsequent welding goes out qualified products.Blanking and then use numerical control
Bending machine bends the Fragile cap shell flange of appropriate height.
Furthermore a square frame is welded out using profile, inner cavity is dimensioned to 1209mm × 1168mm, thus may be used
Implement to weld in frame so that bow to be limited at the alloy plate material of cambered surface.Then it is welded using non-melting electrode argon arc welding machine
It connects.The NaOH of acetone and 6-10% is required to clean the region of interface and two sides 20mm at welding junction.Then use φ 0.15mm
Stainless steel wire brush cleaning, until exposing metallic luster.When welding, repositioned after each block of aluminium sheet of space split first
Weldering.In next step, welding Fragile cap shell.It is welded in welding section using diagonal sequence, symmetrical welding.
Finally, carrying out mechanical chipping to backing weld seam using angle grinder, the rounding off of intersection is formed.
Example 3
The forming of 1150 × 1268 aluminium alloy twin columns curved surface sheet metal structural of outer dimension.
In view of Fragile cap shell be Bicylindrical Surface intersecting shape structure, using Pro/E Three-dimensional Design Software sheet metal module into
Sheet-metal unfolding is gone.
In next step, plate is cut on numerical control plasma cutting machine using after the programming of FastCam numerical control software, essence
Ensure to demonstrate,prove and mutually pass through the round and smooth excessive of curve, this is the important guarantee that subsequent welding goes out qualified products.Blanking and then use numerical control
Bending machine bends the Fragile cap shell flange of appropriate height.
Furthermore a square frame is welded out using profile, inner cavity is dimensioned to 1150mm × 1268mm, thus may be used
Implement to weld in frame so that bow to be limited at the alloy plate material of cambered surface.Then it is welded using non-melting electrode argon arc welding machine
It connects.The NaOH of acetone and 6-10% is required to clean the region of interface and two sides 20mm at welding junction.Then use φ 0.15mm
Stainless steel wire brush cleaning, until exposing metallic luster.When welding, repositioned after each block of aluminium sheet of space split first
Weldering.In next step, welding Fragile cap shell.It is welded in welding section using diagonal sequence, symmetrical welding.
Finally, carrying out mechanical chipping to backing weld seam using angle grinder, the rounding off of intersection is formed.
Claims (1)
1. a kind of metal plate forming method of twin columns curved surface, it is characterised in that include the following steps: using Three-dimensional Design Software along double
The three-dimensional sheet metal structural of Fragile cap shell is expanded into planar structure by cylinder intersection；It is soft using Numerical control cutting according to planar structure
Part control cutting plate；The plate of well cutting is placed in the box of setting, plate four while it is corresponding be fixed on box four while in edge,
Plate positioning shapes, and the size on edge is identical as the bottom edge physical dimension of Fragile cap shell in the box；Plate is carried out to fillet welding
It connects, symmetrical welding；Finally plate appearance is modified, forms rounding off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254671.5A CN109352269A (en) | 2018-10-26 | 2018-10-26 | A kind of metal plate forming method of twin columns curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254671.5A CN109352269A (en) | 2018-10-26 | 2018-10-26 | A kind of metal plate forming method of twin columns curved surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109352269A true CN109352269A (en) | 2019-02-19 |
Family
ID=65346865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811254671.5A Pending CN109352269A (en) | 2018-10-26 | 2018-10-26 | A kind of metal plate forming method of twin columns curved surface |
Country Status (1)
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| CN (1) | CN109352269A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955043A (en) * | 2019-03-29 | 2019-07-02 | 北京卫星制造厂有限公司 | The manufacturing process of space curved surface protective plate with inside and outside two-way reinforcing rib |
| CN110625344A (en) * | 2019-11-21 | 2019-12-31 | 中国航空制造技术研究院 | Method for manufacturing curved surface component with unequal wall thickness |
| CN112453832A (en) * | 2020-11-15 | 2021-03-09 | 西安长峰机电研究所 | Forming method of rectangular aluminum alloy square box with large length-diameter ratio |
| CN113857781A (en) * | 2021-09-24 | 2021-12-31 | 贵州永红航空机械有限责任公司 | Gas-collecting hood and forming method thereof |
| CN116713618A (en) * | 2023-07-13 | 2023-09-08 | 北京新风航天装备有限公司 | Composite forming method for welding aluminum alloy L-shaped rectangular pipe metal plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955043A (en) * | 2019-03-29 | 2019-07-02 | 北京卫星制造厂有限公司 | The manufacturing process of space curved surface protective plate with inside and outside two-way reinforcing rib |
| CN110625344A (en) * | 2019-11-21 | 2019-12-31 | 中国航空制造技术研究院 | Method for manufacturing curved surface component with unequal wall thickness |
| CN110625344B (en) * | 2019-11-21 | 2020-03-17 | 中国航空制造技术研究院 | Method for manufacturing curved surface component with unequal wall thickness |
| CN112453832A (en) * | 2020-11-15 | 2021-03-09 | 西安长峰机电研究所 | Forming method of rectangular aluminum alloy square box with large length-diameter ratio |
| CN113857781A (en) * | 2021-09-24 | 2021-12-31 | 贵州永红航空机械有限责任公司 | Gas-collecting hood and forming method thereof |
| CN116713618A (en) * | 2023-07-13 | 2023-09-08 | 北京新风航天装备有限公司 | Composite forming method for welding aluminum alloy L-shaped rectangular pipe metal plate |
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Application publication date: 20190219 |