CN201147810Y - Self-heating type superplastic gas bulging forming die for alloy sheet - Google Patents
Self-heating type superplastic gas bulging forming die for alloy sheet Download PDFInfo
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- CN201147810Y CN201147810Y CNU2007201178651U CN200720117865U CN201147810Y CN 201147810 Y CN201147810 Y CN 201147810Y CN U2007201178651 U CNU2007201178651 U CN U2007201178651U CN 200720117865 U CN200720117865 U CN 200720117865U CN 201147810 Y CN201147810 Y CN 201147810Y
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Abstract
The utility model relates to a self-heating alloy sheet super-plastic expansion shaping mould. The prior magnesium alloy sheet super-plastic expansion shaping has the defects of high shaping temperature, strong equipment dependency, large equipment size and high cost. The self-heating alloy sheet super-plastic expansion shaping mould includes a mould (1); the mould includes a heating cavity (2) with a flange; the heating cavity is subsequently connected with a seat board (3) with a flange and a plurality of circles of sealing grooves, a super-plastic alloy sheet, a shaping mould (4) with a chamfer angle and a changeable profile cavity, and a cushion block (5) with adjustable thickness; asbestos heat insulation layers (6) are connected around and above the mould; the heating cavity is provided with a heating resistance wire (7); the heating resistance wire is fixed on a metal guide wire (8); the metal guide wire is inlaid in the asbestos block (9) of the heating cavity; the seat board is provided with an expansion hole (10); the expansion hole is connected with an air inlet pipe (11); the shaping mould is connected with a thermoelectric couple (12). The product is used for the expansion shaping of super-plastic alloy sheets.
Description
Technical field:
The utility model relates to a kind of self-heating type superplastic gas bulging forming die for alloy sheet.
Background technology:
Magnesium alloy is the lightest structural metallic materials of density during present engineering is used, and also is 21 century one of the most promising metal, obtains extensive concern with its good performance.At present magnesium alloy sheet super to mould the gas Bulging Technology be a relatively more novel and still immature technology.The super gas bulging of moulding of magnesium alloy sheet has advantages such as the intensity and toughness performance is good, forming property is good, precision is high, operation is simple, easy to operate, but because the forming temperature that the magnesium alloy plate superplastic gas-bulging is shaped is higher, device dependence is strong, add that equipment volume is huge and involve great expense, thereby limited people greatly to the experimental study that the magnesium alloy plate superplastic gas-bulging is shaped, cause the research that at present the magnesium alloy plate superplastic gas-bulging is shaped to be difficult to experimental analysis mostly by means of numerical simulation analysis.
Summary of the invention:
The purpose of this utility model provides a kind of self-heating type superplastic gas bulging forming die for alloy sheet, adopts built-in high-temperature heating element that latten and mould are heated, and efficiency of heating surface height is safe in utilization.
Above-mentioned purpose realizes by following technical scheme:
Self-heating type superplastic gas bulging forming die for alloy sheet, its composition comprises: mould, described mould comprises the heating cavity with flange, connect seat board on the described heating cavity successively with flange and multi-turn seal groove, the super plastic alloy plate, has the variable shaping dies of chamfering and die cavity, the cushion block that thickness is adjustable, described mould is connected the asbestos heat insulation layer all around with the top, resistive heater is equipped with in described heating cavity inside, described resistive heater is fixed on the plain conductor, described plain conductor embeds in the rockwool blocks in the described heating cavity, described seat board has the bulging hole, described bulging hole connects air inlet pipe, and described shaping dies connects thermocouple.
Described self-heating type superplastic gas bulging forming die for alloy sheet is equipped with asbestos seal ring in the described seat board seal groove, and described shaping dies chamfered end connects the super plastic alloy plate.
The beneficial effects of the utility model:
1. this mould adopts built-in high-temperature heating element that alloy sheets and mould are heated, and guarantee the reliability and the reasonability of experiment with unique multi-turn hermetically-sealed construction and hole shape air intake structure, simultaneously, adopt silicate asbestos heat-barrier material in mold periphery, guaranteed the efficient of heating, one side of mould is equipped with thermocouple, has made things convenient in experimentation the monitoring to temperature.The flange of seat board and heating cavity can play positioning action when placing mould.
2. mould small volume and less weight, cost is low, and the flexibility height is convenient and safe.
3. efficiency of heating surface height, heated perimeter is big, can be widely used in various super plastic alloy sheet materials.
4. mould structure is simple, and the shape of mold cavity can be adjusted according to actual needs, reaches multi-efficiencies such as Forming Workpiece, bulging experiment and material properties test.
5. workable, be equipped with temperature control device and pressure control equipment and can realize complicated temperature control demand and shaping pressurization demand.
6. air admission hole is positioned on the seat board, and it distributes and quantity can be adjusted with concrete needs.
Description of drawings:
Accompanying drawing 1 is the structural representation of this product.Arrow is depicted as the press ram direction among the figure.
Accompanying drawing 2 is schematic diagrames of shaping dies chamfered end.
The specific embodiment:
Embodiment 1:
Self-heating type superplastic gas bulging forming die for alloy sheet, its composition comprises: mould 1, described mould comprises the heating cavity 2 with flange, connect seat board 3 on the described heating cavity successively with flange and multi-turn seal groove, the super plastic alloy plate, has the variable shaping dies of chamfering and die cavity 4, the cushion block 5 that thickness is adjustable, described mould is connected asbestos heat insulation layer 6 all around with the top, resistive heater 7 is equipped with in described heating cavity inside, described resistive heater is fixed on the plain conductor 8, described plain conductor embeds in the rockwool blocks 9 in the described heating cavity, described seat board has bulging hole 10, described bulging hole connects air inlet pipe 11, and described shaping dies connects thermocouple 12.
Embodiment 2:
Self-heating type superplastic gas bulging forming die for alloy sheet, its composition comprises: mould 1, described mould comprises the heating cavity 2 with flange, connect seat board 3 on the described heating cavity successively with flange and multi-turn seal groove, the super plastic alloy plate, has the variable shaping dies of chamfering and die cavity 4, the cushion block 5 that thickness is adjustable, described mould is connected asbestos heat insulation layer 6 all around with the top, resistive heater 7 is equipped with in described heating cavity inside, described resistive heater is fixed on the plain conductor 8, described plain conductor embeds in the rockwool blocks 9 in the described heating cavity, described seat board has bulging hole 10, described bulging hole connects air inlet pipe 11, and described shaping dies connects thermocouple 12.
Described self-heating type superplastic gas bulging forming die for alloy sheet is equipped with asbestos seal ring 13 in the described seat board seal groove, and described shaping dies chamfered end connects the super plastic alloy plate.
Used encapsulant is an asbestos seal ring in flanging, the hermetically-sealed construction, resistive heater is equipped with in heating cavity inside, resistance wire adopts parallel way to be fixed on the plain conductor with certain intensity, plain conductor is embedded into and is placed in the rockwool blocks simultaneously, by rockwool blocks lead and electric resistance silk is fixed in the heating cavity.
Mould and magnesium alloy plate are heated to 300-320 ℃ together, are incubated 20-30 minute, open gas cylinder valve, adjusting initial gas pressure simultaneously is 0.1Mpa, the pressuring curve rule is pressurizeed in accordance with regulations, and gas pressure is increased to 1Mpa gradually, and sample does not have and destroyed then pressurize 15 minutes.
Deenergization, and the bottle valve of holding one's breath take out thermocouple, open mould asbestos layer ring set on every side and make mold cools down, take out drip molding then.
Bulging gas is nitrogen or inert gas, the gas gas cylinder splendid attire that has barometer and safety valve.
Claims (2)
1. self-heating type superplastic gas bulging forming die for alloy sheet, its composition comprises: mould, it is characterized in that: described mould comprises the heating cavity with flange, connect seat board on the described heating cavity successively with flange and multi-turn seal groove, the super plastic alloy plate, has the variable shaping dies of chamfering and die cavity, the cushion block that thickness is adjustable, described mould is connected the asbestos heat insulation layer all around with the top, resistive heater is equipped with in described heating cavity inside, described resistive heater is fixed on the plain conductor, described plain conductor embeds in the rockwool blocks in the described heating cavity, described seat board has the bulging hole, described bulging hole connects air inlet pipe, and described shaping dies connects thermocouple.
2. self-heating type superplastic gas bulging forming die for alloy sheet according to claim 1 is characterized in that: in the described seat board seal groove asbestos seal ring is housed, described shaping dies chamfered end connects the super plastic alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201178651U CN201147810Y (en) | 2007-12-30 | 2007-12-30 | Self-heating type superplastic gas bulging forming die for alloy sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201178651U CN201147810Y (en) | 2007-12-30 | 2007-12-30 | Self-heating type superplastic gas bulging forming die for alloy sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201147810Y true CN201147810Y (en) | 2008-11-12 |
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ID=40115578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201178651U Expired - Fee Related CN201147810Y (en) | 2007-12-30 | 2007-12-30 | Self-heating type superplastic gas bulging forming die for alloy sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201147810Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912919A (en) * | 2010-07-16 | 2010-12-15 | 沈阳黎明航空发动机(集团)有限责任公司 | Composite forming method of gas bulging forming and thermal forming and device used by same |
| CN101468373B (en) * | 2007-12-30 | 2011-11-23 | 哈尔滨理工大学 | Self-heating type superplastic gas bulging forming die for alloy sheet |
| CN104624799A (en) * | 2015-01-06 | 2015-05-20 | 哈尔滨工业大学 | Device for high temperature solid power medium assisting titanium alloy plate superplasticity drawing and bulging integration and method thereof |
| CN110038949A (en) * | 2019-05-17 | 2019-07-23 | 长沙理工大学 | A kind of complex-curved molding machine of sheet metal |
-
2007
- 2007-12-30 CN CNU2007201178651U patent/CN201147810Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468373B (en) * | 2007-12-30 | 2011-11-23 | 哈尔滨理工大学 | Self-heating type superplastic gas bulging forming die for alloy sheet |
| CN101912919A (en) * | 2010-07-16 | 2010-12-15 | 沈阳黎明航空发动机(集团)有限责任公司 | Composite forming method of gas bulging forming and thermal forming and device used by same |
| CN101912919B (en) * | 2010-07-16 | 2012-04-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Composite forming method of gas bulging forming and thermal forming and device used by same |
| CN104624799A (en) * | 2015-01-06 | 2015-05-20 | 哈尔滨工业大学 | Device for high temperature solid power medium assisting titanium alloy plate superplasticity drawing and bulging integration and method thereof |
| CN104624799B (en) * | 2015-01-06 | 2016-07-06 | 哈尔滨工业大学 | A kind of method of high-temp solid powder medium assisted titanium sheet alloy superplasticity drawing and bulging integration |
| CN110038949A (en) * | 2019-05-17 | 2019-07-23 | 长沙理工大学 | A kind of complex-curved molding machine of sheet metal |
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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: 20081112 Termination date: 20101230 |