CN110394393A - A kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method - Google Patents
A kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method Download PDFInfo
- Publication number
- CN110394393A CN110394393A CN201910658479.0A CN201910658479A CN110394393A CN 110394393 A CN110394393 A CN 110394393A CN 201910658479 A CN201910658479 A CN 201910658479A CN 110394393 A CN110394393 A CN 110394393A
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- lithium alloy
- aluminium lithium
- alloy plate
- cavity
- high speed
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Links
- 229910001148 Al-Li alloy Inorganic materials 0.000 title claims abstract description 66
- FCVHBUFELUXTLR-UHFFFAOYSA-N [Li].[AlH3] Chemical compound [Li].[AlH3] FCVHBUFELUXTLR-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000001989 lithium alloy Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission 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
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
- B21D26/025—Means for controlling the clamping or opening of the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
- B21D26/029—Closing or sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
- B21D26/031—Mould construction
Abstract
The present invention relates to metal sheet forming technical fields, provide a kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method, the device includes stamping device and sheet material forming device, stamping device includes cope plate, upper mold, casing, guide post, spring, lower mold and lower template, spring pocket is equipped with outside guide post, guide post is inserted in casing, coaxial to move up and down；Sheet material forming device includes L-type pipe, left control valve, upper cavity, lower mode cavity, right control valve, pressure gauge and liquid container, upper cavity and lower mode cavity are connected by screw bolts, junction is equipped with sealing ring, and two aluminium lithium alloy plates are located at upper cavity and lower mode cavity, are supported by flexible seal ring.Its manufacturing process mainly comprises the following steps fluid injection, sealing, die closing, forming.Apparatus of the present invention structure is simple, and method is simple and easy, effectively shortens the working procedures of aluminium lithium alloy sheet material forming, improves stock utilization and safety.
Description
Technical field
The present invention relates to metal sheet forming technical fields, and in particular to a kind of aluminium lithium alloy plate high speed impact it is hydraulic at
Shape device and method.
Background technique
Aluminium lithium alloy has the excellent comprehensive performances such as low-density, higher specific stiffness and specific strength, corrosion resistance, wide
It is general to be applied to aerospace field.Aviation is poor with high quality cotton plate plasticity, and corrugation and cracking are easy in forming process.I
The hamming forming technology of the former Soviet Union follows always in state, and hamming forming need to be suppressed by mold and be combined with artificial, by hammering, padding rubber
The modes such as glue carry out multi-pass compacting and human assistance shapes, and are wrinkled and with eliminating by manually process control material
Flowing is to prevent rupture, it is desirable that operator has processing experience abundant and technique and skill.Hamming forming is due to being rigidity
The defects of contour forming, formation of parts has scratch, yield rate is not high, and element precision and consistency are poor, and stock utilization is low, mold
Service life is lower, and working condition and safety are poor.
Recently, Metal Inst., Chinese Academy of Sciences's plastic processing advanced technology seminar rushes in aluminum alloy plate materials high strain-rate
It hits Hydroforming and equipment aspect obtains serial progress, by by filling liquid stretch forming technology and high speed impact forming technique
It combines, proposes a kind of novel impact Hydroforming.This technology is obtained using liquid as transmission medium using high speed molding
Highly pressurised liquid makes plate bulging obtain the Plastic Forming new technology for it is expected bulging part.But its develop equipment is huge and expense compared with
Height is not suitable for the forming of small-sized a small amount of aluminium lithium alloy plate.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention proposes the present invention relates to metal sheet forming technical field, tools
Body is related to a kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method.Apparatus of the present invention only need external pressure machine to provide
Impact force does not need special hydraulic forming equipment, and structure is simple, at low cost, and device inside cavity can put the conjunction of aluminium lithium up and down
Golden plate material, one-shot hydroforming can produce two plates, and high production efficiency is not influenced by external environmental condition, production
It is convenient.
The following technical solution is employed by the present invention:
A kind of aluminium lithium alloy plate high speed impact hydroforming equipment, including stamping device and sheet material forming device, it is described
Stamping device includes cope plate, upper mold, casing, guide post, spring, lower mold and lower template；Upper mold, lower mold are fixed respectively
On cope plate and the inner surface of lower template；Casing and guide post are arranged in pairs in the both sides of stamping device, and casing is fixed on upper mold
On plate, one end of guide post is fixed in lower template, and spring is set in outside guide post, and the other end of guide post is inserted in casing, same with it
Axis moves up and down；
The sheet material forming device includes die cavity, L-type pipe, left control valve, right control valve and liquid container；The die cavity packet
The lower mode cavity for including upper cavity and being detachably connected with upper cavity is equipped with sealing ring between upper cavity and lower mode cavity, upper cavity is under
The inner circumferential of die cavity be respectively provided with support aluminium lithium alloy plate flexible seal ring, in use state above and below two panels aluminium lithium close
Golden plate material forms with upper cavity and lower mode cavity be tightly connected respectively；L-type pipe on the left of left control valve and die cavity by communicating, liquid
Container on the right side of right control valve and die cavity by communicating.
In above-mentioned technical proposal, mold can be replaced, for producing aluminium lithium alloy plate of different shapes, mold and template
It is connected using screw, mold easy to disassemble.
Further, sealing ring is polyurethane rings.Flexible seal ring can be compressed, and good airproof performance, not have liquid
It penetrates into.
Further, the upper end level of L-type pipe is higher than the tip height of die cavity.To ensure when liquid overflows in L-type pipe,
Entire die cavity fills with liquid.
Further, the upper mold, lower mold are to be fixed by screws on the inner surface of cope plate and lower template.
Further, described sleeve pipe is by being fixedly welded on cope plate.
Further, one end of the guide post is by being fixedly welded in lower template.
It further, is to be connected between the upper cavity and lower mode cavity by bolts and nuts.
Further, further include connecting pipe II and two section connecting pipe I, the connecting pipe II be located at liquid container with
Between right control valve；Two sections of connecting pipes I are located between left control valve, right control valve and die cavity.
Further, the connecting pipe I between the right control valve and die cavity is equipped with pressure gauge.
A kind of aluminium lithium alloy plate high speed impact hydraulic forming method, comprising the following steps:
(1) fluid injection: two panels aluminium lithium alloy plate is individually positioned on upper cavity and the flexible seal ring of lower mode cavity inner circumferential,
Flexible seal ring support aluminium lithium alloy plate makes it be respectively formed sealed connection with upper cavity and lower mode cavity；Open left control valve and
Right control valve makes the liquid in liquid container flow into die cavity by pipeline；
(2) it seals: when liquid is overflowed from L-type pipe, closing left control valve and right control valve；
(3) die closing: starting the press machine of stamping device, it is made to apply impact force to the cope plate of stamping device, lower template,
Cope plate, lower template drive upper mold and lower mold to move toward one another respectively, and fluid pressure increases rapidly in die cavity；
(4) shape: the liquid of mold cavity resists compression, and aluminium lithium alloy plate is made to be outwardly directed to upper mold and lower die respectively
The inner surface of tool forms the shape in mold, closes press machine, takes out aluminium lithium alloy plate, completes aluminium lithium alloy plate high speed
Impact hydroforming.
Further, the liquid is hydraulic oil.
Further, it is equipped with pressure gauge between right control valve and die cavity, in the forming process of step (4), completes aluminium lithium alloy
The time of plate high speed impact hydroforming by pressure list deciding, when pressure gauge reaches expected pressure, closes press machine.
Further, the pressure reached in pressure gauge is pressure when aluminium lithium alloy plate most preferably shapes, and is equipped with electric signal,
It can be fed back by electric signal to press machine after reaching expected pressure, press machine is automatically closed.
The invention has the advantages that:
The invention proposes a kind of aluminium lithium alloy high speed impact hydroforming equipments, and structure is simple, at low cost, are suitble to small
The forming of type aluminium lithium alloy plate has aluminium lithium alloy plate in upper and lower die cavity, and one-shot can shape two, mention significantly
High production efficiency.
The invention proposes a kind of aluminium lithium alloy plate high speed impact hydroforming new processes, effectively shorten the conjunction of aluminium lithium
The working procedures of golden sheet material forming improve stock utilization and safety, and mold is by press machine high speed impact, at heat
The plasticity of material at room temperature can be improved in reason.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of aluminium lithium alloy plate high speed impact hydroforming equipment；
Fig. 2 is the structural schematic diagram of stamping device；
Fig. 3 is die cavity left side view；
Fig. 4 is forming technology flow chart.
In figure: 1, L-type pipe；2, left control valve；3, bolt；4, upper cavity；5, flexible seal ring；6, nut；7, lower mode cavity；
8, cope plate；9, upper mold；10, casing；11, plate；12, lower template；13, lower mold；14, guide post；15, spring；16, it connects
Pipeline I；17, pressure gauge；18, right control valve；19, liquid container；20, connecting pipe II；21, sealing ring.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing:
Refering to fig. 1 to Fig. 3, a kind of aluminium lithium alloy plate high speed impact hydroforming equipment, including stamping device and plate
Forming device, the stamping device include cope plate 8, upper mold 9, casing 10, guide post 14, spring 15, lower mold 13 and lower die
Plate 12；Upper mold 9, lower mold 13 are separately fixed on cope plate 8 and the inner surface of lower template 12；Casing 10 and guide post 14 are pairs of
The both sides of stamping device are set to, casing 10 is fixed on cope plate 8, and one end of guide post 14 is fixed in lower template 12, spring
15 are set in outside guide post 14, and the other end of guide post 14 is inserted in casing 10, coaxially move up and down；
The sheet material forming device includes die cavity, L-type pipe 1, left control valve 2, right control valve 18 and liquid container 19；It is described
Die cavity includes upper cavity 4 and the lower mode cavity being detachably connected with upper cavity 47, and sealing ring is equipped between upper cavity 4 and lower mode cavity 7
21, the inner circumferential of upper cavity 4 and lower mode cavity 7 is respectively provided with the flexible seal ring 5 of support aluminium lithium alloy plate 11, is using shape
Two panels aluminium lithium alloy plate 11 forms sealed connection with upper cavity 4 and lower mode cavity 7 respectively up and down when state；L-type pipe 1 passes through left control
It is communicated on the left of valve 2 and die cavity, liquid container 19 on the right side of right control valve 18 and die cavity by communicating.
As one of embodiment, in the present embodiment, sealing ring 21 is polyurethane rings；Flexible seal ring 5 can be by
Compression, and good airproof performance do not have liquid infiltration.
As one of embodiment, in the present embodiment, the upper end of L-type pipe 1 is higher than entire die cavity.To ensure to work as L-type
When liquid overflows in pipe 1, entire die cavity fills with liquid.
As one of embodiment, in the present embodiment, the upper mold 9, lower mold 13 are to be fixed by screw
On cope plate 8 and the inner surface of lower template 12.
As one of embodiment, in the present embodiment, described sleeve pipe 10 is by being fixedly welded on cope plate 8.
As one of embodiment, in the present embodiment, one end of the guide post 14 is by being fixedly welded on lower die
On plate 12.
As one of embodiment, in the present embodiment, between the upper cavity 4 and lower mode cavity 7 for by bolt 3 with
Nut 6 is connected.
It further include connecting pipe II 20 and two sections of connecting pipes I 16 in the present embodiment as one of embodiment,
The connecting pipe II 20 is between liquid container 19 and right control valve 18；Two sections of connecting pipes I 16 are located at a left side
Between control valve 2, right control valve 18 and die cavity.
As one of embodiment, in the present embodiment, the connecting pipe I 16 between the right control valve 18 and die cavity
It is equipped with pressure gauge 17.
Refering to Fig. 4, a kind of method of aluminium lithium alloy plate high speed impact hydroforming, comprising the following steps:
(1) two panels aluminium lithium alloy plate 11 fluid injection: is individually positioned in the flexible sealing of 7 inner circumferential of upper cavity 4 and lower mode cavity
On circle 5, flexible seal ring 5 supports aluminium lithium alloy plate 11 that it is made to be respectively formed sealed connection with upper cavity 4 and lower mode cavity 7；It beats
Left control valve 2 and right control valve 18 are opened, so that the liquid in liquid container 19 is flowed into die cavity by pipeline, at this time the pressure in die cavity
For atmospheric pressure；
(2) it seals: when liquid is overflowed from L-type pipe 1, it is meant that entire mold cavity is filled with liquid, closes at this time left
Control valve 2 and right control valve 18；
(3) die closing: starting the press machine of stamping device, it is made to apply impact to the cope plate 8 of stamping device, lower template 12
Power, cope plate 8, lower template 12 drive upper mold 9, lower mold 13 by 14 uplink and downlink of casing 10 and guide post respectively, make upper mold 9
It is gradually closed with lower mold 13, fluid pressure increases rapidly in die cavity；
(4) shape: the liquid of mold cavity resists compression, and aluminium lithium alloy plate 11 is made to be outwardly directed to 9 He of upper mold respectively
The inner surface of lower mold 13 is formed in mold until aluminium lithium alloy plate 11 is respectively completely close to upper mold 9 and lower mold 13
Shape, pressure gauge 17 reaches expected pressure at this time, and press machine is closed, and aluminium lithium alloy plate 11 is taken out, and completes aluminium lithium alloy plate
11 high speed impact hydroformings.
It should be noted that can not only carry out the high-speed punching of two aluminium lithium alloy plate 11 simultaneously during die closing
Hydroforming is hit, lower template 12 or the cope plate 8 that can also set stamping device are fixed, and forming is only to an aluminium lithium every time
Sheet alloy 11 is formed.
When only carrying out high speed impact hydroforming to aluminium lithium alloy plate 11, when lower template 12 is fixed: starting pressure
Machine makes it apply impact force to stamping device cope plate 8, and cope plate 8 drives upper mold 9 to pass through 14 downlink of casing 10 and guide post,
It is closed upper mold 9 and lower mold 13 gradually, fluid pressure increases rapidly in die cavity.
Since the liquid of mold cavity resists compression, aluminium lithium alloy plate 11 is set to be outwardly directed to the inner surface of upper mold 9, directly
To plate 11 completely close to upper mold 9, the shape in mold is formed, pressure gauge 17 reaches expected pressure at this time, and press machine is closed,
Take out aluminium lithium alloy plate 11.
As one of embodiment, in the present embodiment, the liquid is hydraulic oil.
As one of embodiment, in the present embodiment, the pressure reached in pressure gauge is that aluminium lithium alloy plate is best
Pressure when forming, while it being equipped with electric signal, it can be fed back by electric signal to press machine after reaching expected pressure, make press machine
It is automatically closed.
The present invention provides a kind of new process for aluminium lithium alloy sheet material forming, this is simple for process, effectively shortens
The working procedures of aluminium lithium alloy sheet material forming improve stock utilization and safety, and forming device structure is simple, at low cost,
Production efficiency is substantially increased, the forming of small-sized aluminium lithium alloy plate is suitble to.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (10)
1. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment, which is characterized in that including stamping device and sheet material forming
Device, the stamping device include cope plate (8), upper mold (9), casing (10), guide post (14), spring (15), lower mold
(13) and lower template (12)；Upper mold (9), lower mold (13) are separately fixed at the inner surface of cope plate (8) and lower template (12)
On；Casing (10) and guide post (14) are arranged in pairs in the both sides of stamping device, and casing (10) is fixed on cope plate (8), guide post
(14) one end is fixed on lower template (12), and spring (15) is set in guide post (14) outside, and the other end of guide post (14) is inserted in set
It manages in (10), coaxially moves up and down；
The sheet material forming device includes die cavity, L-type pipe (1), left control valve (2), right control valve (18) and liquid container (19)；
The die cavity includes upper cavity (4) and the lower mode cavity (7) being detachably connected with upper cavity (4), upper cavity (4) and lower mode cavity (7)
Between be equipped with sealing ring (21), the inner circumferential of upper cavity (4) and lower mode cavity (7), which is respectively provided with, supports aluminium lithium alloy plate (11)
Flexible seal ring (5), in use state above and below two panels aluminium lithium alloy plate (11) respectively with upper cavity (4) and lower mode cavity
(7) it is formed and is tightly connected；For L-type pipe (1) by communicating on the left of left control valve (2) and die cavity, liquid container (19) passes through right control
It is communicated on the right side of valve (18) processed and die cavity.
2. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment according to claim 1, which is characterized in that described
The upper end level of L-type pipe (1) is higher than the tip height of die cavity.
3. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment according to claim 1, which is characterized in that described
Upper mold (9), lower mold (13) are to be fixed by screws on cope plate (8) and the inner surface of lower template (12).
4. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment according to claim 1, which is characterized in that described
Casing (10) is by being fixedly welded on cope plate (8)；One end of the guide post (14) is by being fixedly welded on lower template
(12) on.
5. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment according to claim 1, which is characterized in that described
It is to be connected by bolt (3) with nut (6) between upper cavity (4) and lower mode cavity (7).
6. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment according to claim 1, which is characterized in that also wrap
Connecting pipe II (20) and two sections of connecting pipes I (16) are included, the connecting pipe II (20) is located at liquid container (19) and right control
Between valve (18) processed；Two sections of connecting pipes I (16) are located between left control valve (2), right control valve (18) and die cavity.
7. a kind of aluminium lithium alloy plate high speed impact hydroforming equipment according to claim 6, which is characterized in that described
Connecting pipe I (16) between right control valve (18) and die cavity is equipped with pressure gauge (17).
8. a kind of aluminium lithium alloy plate high speed impact hydraulic forming method, which is characterized in that any described based on claim 1-6
Aluminium lithium alloy plate high speed impact hydroforming equipment implement, comprising the following steps:
(1) fluid injection: the flexibility that two panels aluminium lithium alloy plate (11) is individually positioned in upper cavity (4) and lower mode cavity (7) inner circumferential is close
In seal (5), flexible seal ring (5) support aluminium lithium alloy plate (11) is respectively formed it with upper cavity (4) and lower mode cavity (7)
It is tightly connected；Left control valve (2) and right control valve (18) are opened, the liquid in liquid container (19) is made to flow into mould by pipeline
Chamber；
(2) it seals: when liquid is overflowed from L-type pipe (1), closing left control valve (2) and right control valve (18)；
(3) die closing: starting the press machine of stamping device, it is made to apply impact to the cope plate (8) of stamping device, lower template (12)
Power, cope plate (8), lower template (12) drive upper mold (9) and lower mold (13) to move toward one another respectively, and fluid pressure is fast in die cavity
Speed increases；
(4) shape: the liquid of mold cavity resists compression, make aluminium lithium alloy plate (11) be outwardly directed to respectively upper mold (9) and
The inner surface of lower mold (13) forms the shape in mold, closes press machine, takes out aluminium lithium alloy plate (11), completes aluminium lithium
Sheet alloy (11) high speed impact hydroforming.
9. a kind of aluminium lithium alloy plate high speed impact hydraulic forming method according to claim 8, which is characterized in that right control
Pressure gauge (17) are equipped between valve (18) processed and die cavity, in the forming process of step (4), complete aluminium lithium alloy plate (11) high-speed punching
The time for hitting hydroforming is determined by pressure gauge (17), when pressure gauge (17) reaches expected pressure, closes press machine.
10. a kind of aluminium lithium alloy plate high speed impact hydraulic forming method according to claim 8, which is characterized in that institute
Stating liquid is hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658479.0A CN110394393A (en) | 2019-07-22 | 2019-07-22 | A kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658479.0A CN110394393A (en) | 2019-07-22 | 2019-07-22 | A kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394393A true CN110394393A (en) | 2019-11-01 |
Family
ID=68324800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910658479.0A Pending CN110394393A (en) | 2019-07-22 | 2019-07-22 | A kind of aluminium lithium alloy plate high speed impact hydroforming equipment and method |
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| Country | Link |
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| CN (1) | CN110394393A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984468A (en) * | 2023-09-26 | 2023-11-03 | 合肥工业大学 | Ultra-thin metal polar plate ultrasonic auxiliary accurate forming device |
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| CN2683275Y (en) * | 2004-03-02 | 2005-03-09 | 广东工业大学 | Metal plate coupled hydraulic-forming die apparatus |
| JP2005270998A (en) * | 2004-03-23 | 2005-10-06 | Nissan Motor Co Ltd | Bearing surface forming apparatus and bearing surface forming method |
| CN102873165A (en) * | 2012-09-03 | 2013-01-16 | 北京航空航天大学 | Shock hydraulic composite forming process for small feature part of complex part |
| CN103736810A (en) * | 2013-12-25 | 2014-04-23 | 桂林电子科技大学 | Impact hydraulic expansion device for metal thin-wall tube and using method thereof |
| CN106048478A (en) * | 2016-06-06 | 2016-10-26 | 中国商用飞机有限责任公司 | Forming and strengthening method for aluminum lithium alloy plate, strengthened aluminum lithium alloy component and die |
-
2019
- 2019-07-22 CN CN201910658479.0A patent/CN110394393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683275Y (en) * | 2004-03-02 | 2005-03-09 | 广东工业大学 | Metal plate coupled hydraulic-forming die apparatus |
| JP2005270998A (en) * | 2004-03-23 | 2005-10-06 | Nissan Motor Co Ltd | Bearing surface forming apparatus and bearing surface forming method |
| CN102873165A (en) * | 2012-09-03 | 2013-01-16 | 北京航空航天大学 | Shock hydraulic composite forming process for small feature part of complex part |
| CN103736810A (en) * | 2013-12-25 | 2014-04-23 | 桂林电子科技大学 | Impact hydraulic expansion device for metal thin-wall tube and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984468A (en) * | 2023-09-26 | 2023-11-03 | 合肥工业大学 | Ultra-thin metal polar plate ultrasonic auxiliary accurate forming device |
| CN116984468B (en) * | 2023-09-26 | 2023-12-15 | 合肥工业大学 | Ultra-thin metal polar plate ultrasonic auxiliary accurate forming device |
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Application publication date: 20191101 |
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