CN200984605Y - Special die having movable force plug for the hydraulic forming of outer housing - Google Patents
Special die having movable force plug for the hydraulic forming of outer housing Download PDFInfo
- Publication number
- CN200984605Y CN200984605Y CN 200620093986 CN200620093986U CN200984605Y CN 200984605 Y CN200984605 Y CN 200984605Y CN 200620093986 CN200620093986 CN 200620093986 CN 200620093986 U CN200620093986 U CN 200620093986U CN 200984605 Y CN200984605 Y CN 200984605Y
- Authority
- CN
- China
- Prior art keywords
- punch
- movable force
- force plug
- outer housing
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007787 solid Substances 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 229910000861 Mg alloy Inorganic materials 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract 2
- 206010020843 Hyperthermia Diseases 0.000 abstract 1
- 230000036031 hyperthermia Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model relates to alloy plate hydroforming technology, in particular to a special hydroforming die for the magnesium alloy digital camera shell having movable punch and similar products, which is mainly used for magnesium alloy plate hyperthermia hydraulic deep drawing and forming. The die comprises a hydraulic chamber, a concave die, a blank holder, a deep drawing punch and a heating element, wherein, the deep drawing punch adopts a blocked type composite structure and comprises a fixed punch and a movable punch capable of moving up and down along a slideway. The movable element in the composite deep drawing punch improves the deformation sequence and stress state of formed parts and increases the plate forming limit and yield. The utility model has the advantages of high material utilization ratio, good surface quality of products, strong rigidity, high shape and size precision, which can form digital camera shells and other plates with complicated shapes, and is especially suitable to form magnesium alloy plates and other plates which need to be heated and formed. The die is long in life-span, easy to be replaced and simple in process and installation.
Description
Technical field
The utility model relates to sheet alloy hydroforming technology, is specially a kind of magnesium alloy digital camera and similar products hydraulic forming of outer housing particular manufacturing craft with movable force plug, is mainly used in the warm hydro-drawing of magnesium alloy plate and is shaped.
Background technology
Magnesium metal and alloy thereof are the lightest structural metallic materials of using in engineering so far, with light weight, good rigidly, metallic luster is good, electromagnetic wave shielding is good and easy to be recycled be the magnesium alloy of characteristics, become the preferred material of industries such as Hyundai Motor, electronics, communication.Sheet material drawing and forming processing mode has significant advantage aspect raising parts quality, productivity ratio, the saving material, and can process the thin-walled parts that satisfies the electronic product requirement.For common metal and alloy thereof, drawing and forming has been mature technique very, but for magnesium alloy, the history of pull and stretch is also shorter.Mainly be because the close-packed hexagonal crystal structure of magnesium metal, cause the Plastic Forming at room temperature of most magnesium alloys very poor, elevated temperature, can improve its forming property effectively, usually need in 250-400 ℃ temperature range, shape, this will bring the drawback of mold system relative complex, the cost of product is also relatively more expensive simultaneously, and when heat time heating time is long, cause the inner crystal grain of sheet material thick easily, like this can the serious plastic deformation ability that reduces sheet material, this moment, blank was very crisp, during pull and stretch very easily in the place's drawing crack of drift fillet.
For typical housing of digital camera, its profile has box part and semi-cylindrical feature concurrently, bottom and seamed edge radius of corner are less, especially the transitional region local deformation from the square box to the cylinder is violent, adopt conventional deep-drawing technique to need two passage drawing and formings, need annealing between passage, and because of the cumulative effect of multiple operation processing, part quality is poor.Sheet material hydro-drawing forming technique, because its friction keeps effect and fluid lubrication effect, can effectively improve the molding condition of plate, and formation of parts has good dimensional accuracy, and the conventional process for stamping and forming that can be shaped is difficult to the complicated plate accessory of once-forming.
The utility model content
The purpose of this utility model is to provide a kind of hydraulic forming of outer housing particular manufacturing craft with movable force plug, solve the problem that local gross distortion causes part to be scrapped in the magnesium alloy housing of digital camera drawing and forming, it can reduce production costs, and improves the quality and the production efficiency of product.
The technical solution of the utility model is:
A kind of hydraulic forming of outer housing particular manufacturing craft with movable force plug has hydraulic pressure chamber, die, blank holder, pull and stretch punch, and the pull and stretch punch of this mould adopts sectional type combination pull and stretch punch, comprise solid punch, can be along the upper and lower mobile movable force plug of slideway.
Described solid punch can be connected with movable force plug by connector, is set with spring on the connector, and spring places between solid punch and the movable force plug, and solid punch working end and movable force plug working end join and be combined into the shell product shape.
Described slideway can be the wedge shape slideway.
Described connector can be connecting bolt.
Can be provided with limited block between described movable force plug and the solid punch.
Described shell product can be housing of digital camera, and solid punch working end shape is corresponding with the semi-cylindrical of housing of digital camera, and its sidewall is provided with the wedge shape slideway; Movable force plug working end shape is corresponding with the square box face of housing of digital camera, which is provided with wedge-shaped slot, and wedge shape slideway and wedge-shaped slot are slidingly matched.
Advantage of the present utility model is:
(1) stock utilization height, the sheet material forming limit improves, and products surface quality is good, and rigidity is strong, shape and size precision height, the complex-shaped parts such as housing of digital camera that can be shaped, the magnesium alloy plate that is particularly suited for being shaped etc. needs to heat the plate that is shaped.
(2) the utility model device is simple, and production cost is low, improves Mg alloy formed performance.
(3) the utility model adopts sectional type combination pull and stretch punch on mould structure, make die change simple, improve die life, and the moving element that makes up the pull and stretch punch has simultaneously improved the shaping order and the stress of drip molding, improve forming limit and yield rate, die life is long, replacing is simple.
(4) the utility model housing of digital camera material is a magnesium alloy, also comprises the sheet material that the heating of needs such as aluminium alloy is shaped.
(5) part of the utility model formed thereby comprises housing of digital camera, also comprises other shell plates of analogous shape structure.
Description of drawings
Fig. 1 is the utility model die structure dwg.
Fig. 2 is the section of structure of hydraulic pressure chamber.
Fig. 3 is the section of structure of die.
Fig. 4 is the section of structure of solid punch.
Fig. 5 is the section of structure of movable force plug.
Fig. 6 is the vertical view of Fig. 5.
Among the figure: 1, hydraulic pressure chamber; 2, bolt; 3, die; 4, punch retainer; 5, blank holder; 6, solid punch; 7, connecting bolt; 8, spring; 9, limited block; 10, movable force plug; 11, blank; 12, heating element heater; 13, upper bolster; 14, wedge-shaped slot; 15, hydraulic cavities; 16, bottoming hole; 17, wedge shape slideway.
The specific embodiment
As shown in Figure 1, magnesium alloy housing of digital camera hydroforming particular manufacturing craft with movable force plug comprises hydraulic pressure chamber 1, bolt 2, die 3, punch retainer 4, blank holder 5, solid punch 6, connecting bolt 7, spring 8, limited block 9, movable force plug 10, blank 11, heating element heater 12, upper bolster 13 etc., hydraulic pressure chamber 1 is connected with die 3 by bolt 2, by solid punch 6, connecting bolt 7, spring 8, limited block 9, movable force plug 10 is formed sectional type combination pull and stretch punch, solid punch 6 is fixed on the upper bolster 13 by punch retainer 4, movable force plug 10 is by connecting bolt 7 and be set in connecting bolt 7 upper springs 8 and be connected with solid punch 6, spring 8 places between solid punch 6 and the movable force plug 10, movable force plug 10 by the wedge-shaped slot 14 on it along on the wedge shape slideway 17 on the solid punch sidewall, move down, by being installed on movable force plug 10 upper limit position blocks 9 its positions of control, connecting bolt 7 can slide up and down along the hole on the solid punch 6.
As shown in Figure 2, hydraulic pressure chamber 1 is a column structure, has hydraulic cavities 15 in the middle of it.For different materials, the hydraulic medium difference, for the magnesium alloy hydroforming in this example, the hydraulic medium of use is a silicone oil.
As shown in Figure 3, die 3 is a cirque structure, has the bottoming hole 16 of placing heating element heater 12 on its lateral wall.
As shown in Figure 4, solid punch 6 lower ends (working end) shape is corresponding with the semi-cylindrical of housing of digital camera, which is provided with wedge shape slideway 17; Shown in Fig. 5-6, movable force plug 10 lower ends (working end) shape is corresponding with the square box face of housing of digital camera, has wedge-shaped slot 14 on it; Solid punch 6 working ends and movable force plug 10 working ends join and are combined into the housing of digital camera shape.
The utility model provides a kind of magnesium alloy housing of digital camera hydroforming method, and concrete warm forming step is as follows:
1) heating blank holder and die
Blank holder and die are heated to 180 ℃～200 ℃;
2) blank heating
Blank is put into mould, insulation 2～5min;
3) punch is preheated to 80～100 ℃;
4) hydro-drawing is shaped, and forming speed is 0.5～2mm/s, and fluid pressure is 5～10MPa.
Be shaped the starting stage, the lower surface minimum point that spring does not have movable force plug 10 and solid punch 6 under the compressive state keeps equal, combination pull and stretch punch moves downward under the hydraulic cylinder effect of hydraulic press, speed is controlled at 0.5～2mm/s, after blank deformation arrives to a certain degree, the descending while hydraulic pressure of combination pull and stretch punch begins to load, the movable force plug 10 that promotes in the combination pull and stretch punch moves upward along the wedge shape slideway, semi-cylindrical and square box face are shaped in succession, after hydro-drawing reaches the predetermined deformation amount, rise combination pull and stretch punch, spring 8 resets, and puts blank holder 5 and continues the next part of heating shaping.
Claims (6)
1, a kind of hydraulic forming of outer housing particular manufacturing craft with movable force plug, have hydraulic pressure chamber, die, blank holder, pull and stretch punch, it is characterized in that: the pull and stretch punch of this mould adopts sectional type combination pull and stretch punch, comprise solid punch (6), can be along the upper and lower mobile movable force plug of slideway (10).
2, according to the described hydraulic forming of outer housing particular manufacturing craft of claim 1, it is characterized in that: described solid punch (6) is connected with movable force plug (10) by connector, be set with spring (8) on the connector, spring (8) places between solid punch (6) and the movable force plug (10), and solid punch (6) working end and movable force plug (10) working end join and be combined into the shell product shape.
3, according to the described hydraulic forming of outer housing particular manufacturing craft of claim 1, it is characterized in that: described slideway is the wedge shape slideway.
4, according to the described hydraulic forming of outer housing particular manufacturing craft of claim 1, it is characterized in that: described connector is a connecting bolt.
5, according to the described hydraulic forming of outer housing particular manufacturing craft of claim 1, it is characterized in that: be provided with limited block (9) between described movable force plug (10) and the solid punch (6).
6, according to the described hydraulic forming of outer housing particular manufacturing craft of claim 1, it is characterized in that: described shell product is a housing of digital camera, solid punch (6) working end shape is corresponding with the semi-cylindrical of housing of digital camera, and its sidewall is provided with wedge shape slideway (17); Movable force plug (10) working end shape is corresponding with the square box face of housing of digital camera, which is provided with wedge-shaped slot (14), and wedge shape slideway (17) is slidingly matched with wedge-shaped slot (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620093986 CN200984605Y (en) | 2006-11-08 | 2006-11-08 | Special die having movable force plug for the hydraulic forming of outer housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620093986 CN200984605Y (en) | 2006-11-08 | 2006-11-08 | Special die having movable force plug for the hydraulic forming of outer housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200984605Y true CN200984605Y (en) | 2007-12-05 |
Family
ID=38914067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620093986 Expired - Fee Related CN200984605Y (en) | 2006-11-08 | 2006-11-08 | Special die having movable force plug for the hydraulic forming of outer housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200984605Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502860B (en) * | 2008-02-06 | 2013-01-09 | 日本斯频德制造株式会社 | Drawing apparatus and drawing method |
-
2006
- 2006-11-08 CN CN 200620093986 patent/CN200984605Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502860B (en) * | 2008-02-06 | 2013-01-09 | 日本斯频德制造株式会社 | Drawing apparatus and drawing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20091208 |