CN201283421Y - Liquid forging and pressing device of magnesium and aluminium alloy - Google Patents
Liquid forging and pressing device of magnesium and aluminium alloy Download PDFInfo
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- CN201283421Y CN201283421Y CNU2008201390122U CN200820139012U CN201283421Y CN 201283421 Y CN201283421 Y CN 201283421Y CN U2008201390122 U CNU2008201390122 U CN U2008201390122U CN 200820139012 U CN200820139012 U CN 200820139012U CN 201283421 Y CN201283421 Y CN 201283421Y
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Abstract
The utility model provides a liquid forging and stamping device of aluminum-magnesium alloy, which comprises a die casting machine (1), a die (2), a material cup (3), alloy liquid (32) and a hammerhead (4). The device adopts the technical proposal of a cold-chamber horizontal machine body which is obliquely arranged, the material cup for heating, and the semi-solid alloy liquid level for integral ascending large aperture low-speed filling type, and the boosting pressure which can control the upper exhausting and the impulse, the device overcomes the defects of the imperfect exhausting, the cold lap, the lack of casting, the loosen tissue, the low-degree of the mechanical property, non-welding and no heat treatment processing, high defective index, flash, low precision of dimension, secondary processing energy, man-hour wasting and the like, the liquid forging and stamping device of aluminum-magnesium alloy prevents the defects of the cold lap and the lack of casting of aluminum-magnesium alloy liquid state formed parts, realizes the primary net size forming with the effect of the property of precise forging parts, realizes the aim of improving the quality of products, the yield and the manufacturing efficiency, and reducing the manufacturing cost and energy consumption.
Description
Technical field
The utility model relates to the liquid forging press of alloy, specifically is meant the liquid forging press of a kind of magnesium, aluminium alloy.
Background technology
The magnesium of prior art, the liquid moulding process of aluminium alloy are divided into: high pressure casting, low pressure casting method (containing gravitational casting) and casting forging method, consult Fig. 4, Fig. 5.
High pressure casting is the moulding of with high-voltage high-speed cooling and shaping in the magnesium of red-hot liquid state, the die cavity that mould is gone in the aluminium alloy injection being finished goods by die casting machine, this technology has the fast characteristics of filling velocity, be applicable to thin-wall complicated production, but it is bad often to occur exhaust in the injection process, alloy liquid is easily rolled up together die casting progressive die tool of gas, makes foundry goods organize gassiness, also with cold shut, owe defectives such as casting, cause the mechanical performance of goods to reduce, and can not heat-treat.
Low pressure casting method (containing gravitational casting) is the moulding of with low pressure low speed cooling and shaping in the magnesium of red-hot liquid state, the die cavity that mould is gone in the aluminium alloy injection being finished goods by die casting machine, this technology filling velocity is slow, die venting is more abundant in time, the air content of goods is than the obvious minimizing of high-pressure process, but goods are because of insufficient pressure suffered in the cooled and solidified process, though the back not gassiness of cooling is tissue looseness but, crystal grain is thick, mechanical performance is lower, needs to strengthen by the heat treatment or the forging and pressing of postorder.
The casting forging method is to adopt modes such as low pressure or gravitational casting to produce spray earlier, again extrusion forging is carried out by mould in spray heating back, this technology exists the not high forming defect of forging squeeze crack, forge crack, overlap, dimensional accuracy, and deficiency such as energy of secondary operations, waste in man-hour.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the utility model technology takes the large aperture to fill type at a slow speed, close die die cavity after the simultaneously abundant exhaust, in alloy cooling time,, the technical scheme with pulse pressure-charging made semi-solid alloy constantly be subjected to the forging force moulding, make alloy liquid oneself outside to inside gradually moulding become forge piece.This system adopts the tilting horizontal fuselage in cold house, has the tup of guiding, expects the pressure charging system of cup heating, pulse and the mould facility of exhaust control, be intended to make the liquid condition shaping spare of magnesium, aluminium alloy not have cold shut, owe to cast defective, realization has the disposable dead size moulding of net-size forging quality effect, reach improve the quality of products, yield rate, production efficiency, reduce production costs, the purpose of energy consumption.
The purpose of this utility model is achieved in that the liquid forging press of a kind of magnesium, aluminium alloy, the tup, the heating of material cup, the pressure charging system of pulse and the mould of exhaust control that comprise the horizontal fuselage in tilting cold house, have guiding, wherein: the fuselage of described die casting machine is set to a fixed inclination along axis, allow the material cup be in the bottom, can not flow into mould after making alloy liquid water the pan feeding cup, pressure head has that controlled high pressure at a slow speed advances, pulse pressure-charging, and the cold-chamber die casting machine that returns of quick low voltage; Described mould inside meets the goods die cavity, and the mold cavity peak is provided with by exhaust outlet, hydraulic cylinder, seals the controlled exhaust apparatus that cutter constitutes, and the shape of workpiece is formed jointly by mold cavity and tup; Described material cup is a steel, hollow heavy wall cylindrical tube, the cylinder upper back is provided with cast gate, and plug in the material road of front end and mold cavity, and the bottom is provided with the injection-tube of insulation electric heater; Described tup has the shape of part workpiece, places in the material cup tube chamber, and slidably in the material road of material cup and mould, connecting rod is by the guide rail guiding parallel with the material cup axis, and follower head links to each other with the pressure head of die casting machine, promotes traction by pressure head.
Technical process and principle:
Die casting machine is obliquely installed, and mould is also tilted, and the controlled exhaust apparatus of mould is in the front upper part of die cavity, and the material road is in the rear lower of die cavity with expecting cup; During work, quantitative alloy liquid is stored in bottom, material cup back after cast gate pours into the material cup, do not flow into the die cavity of mould because of the gravity effect, the pressure head of die casting machine advances in high pressure mode at a slow speed, the reach of promotion tup, tup promotes alloy liquid, alloy liquid is pressed in the mode that rises overally in the die cavity of mould and fills type, in the whole cavity filling process of high pressure at a slow speed, air in the die cavity is in the top of alloy liquid liquid level all the time, and go out row from the exhaust outlet of the controlled exhaust apparatus that is positioned at the die cavity front upper part, when alloy liquid liquid level rise to the die cavity volume 80～90% the time, the hydraulic cylinder controlled starting of controlled exhaust apparatus, cutter sealing exhaust outlet is sealed in promotion, surplus air is discharged by the die joint gap of mould in the die cavity, and simultaneously, the pressure head of die casting machine starts the gap pulse pressure-charging, under the prerequisite that keeps injection power, tup is imposed the hammer pulsation supercharging of space-number millisecond, and forging force is greater than 100Mpa, until the total condensation moulding; Technical process such as all the other die sinkings, the demoulding, pickup and cold chamber die casting technology with, this paper is omitted.
Principle of domination:
Being obliquely installed of die casting machine, mould is also tilted, alloy liquid is able to fill type in the die cavity that mode that whole liquid level rises is pressed into mould under the promotion of pressure head, tup, the rising of alloy liquid whole liquid level in die cavity, contact temperature equalization with the chamber wall at each position of die cavity, foundry goods is difficult for volume gas and produces cold shut, owes to cast defective;
The setting of the controlled exhaust apparatus of mould makes alloy liquid fill the type initial stage being pressed into die cavity, and exhaust is smooth and easy;
The supercharging mode that adopts droped beat to dash, stamping press is greater than 100Mpa, as forging hammer constantly forges, foundry goods forges and presses compacted under constantly, foundry goods constantly obtains feeding and grain refinement in the ecto-entad consecutive solidification, alloy external refrigeration, pressure did not reach inside, shrinkage cavity occurs when the supercharging mode of employing pulse was avoided static pressure, made product reach desirable forging effect, and can also weld and heat treatment process;
Adopt the alloy liquid of lower temperature fusion, cost is low;
It is for before making alloy liquid enter mold cavity that employing is provided with the insulation electric heater in material cup bottom, keeps good semi-solid flow, makes the material handle little.
In sum, the utility model takes the large aperture to fill type at a slow speed, close die die cavity after the exhaust simultaneously fully, the technical scheme with pulse pressure-charging in the time of the alloy cooling makes semi-solid alloy constantly be subjected to the forging force moulding, make alloy liquid oneself outside to inside gradually moulding become forge piece.This system adopts the tilting horizontal fuselage in cold house, tup with guiding, the heating of material cup, the mould facility of the pressure charging system of pulse and exhaust control, above-mentioned technical scheme, the exhaust that has overcome the prior art existence is bad, cold shut, owe casting, tissue looseness, mechanical performance is low, can not weld and heat treatment process, the percent defective height, overlap, dimensional accuracy is not high, the secondary operations energy, deficiencies such as waste in man-hour, a kind of magnesium that is provided, the liquid forging press of aluminium alloy, make magnesium, the liquid condition shaping spare of aluminium alloy does not have cold shut, owe to cast defective, realization has the disposable dead size moulding of net-size forging quality effect, reached and improved the quality of products, yield rate, production efficiency reduces production costs, the purpose of energy consumption.
Description of drawings
Fig. 1 be behind the matched moulds of liquid forging press of a kind of magnesium of the present utility model, aluminium alloy before the injection tense schematic diagram and part draw enlarged drawing;
Fig. 2 closes exhaust tense schematic diagram when being the injection of liquid forging press of a kind of magnesium of the present utility model, aluminium alloy and enlarged drawing is drawn in the part;
Fig. 3 is that enlarged drawing is drawn in the gap pulse pressure-charging tense schematic diagram and the part of the liquid forging press of a kind of magnesium of the present utility model, aluminium alloy;
Fig. 4 is a tense schematic diagram before the injection behind the matched moulds of prior art;
Fig. 5 is an injection back tense schematic diagram behind the matched moulds of prior art.
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
Among the figure: die casting machine 1, pressure head 11, mould 2, exhaust outlet 21, hydraulic cylinder 22, seal cutter 23, die cavity 24, material road 25, material cup 3, cast gate 31, alloy liquid 32, heater 33, tup 4, guide rail 41.
The specific embodiment
Consult Fig. 1～Fig. 3, the liquid forging press of a kind of magnesium of the present utility model, aluminium alloy, comprise die casting machine 1, mould 2, material cup 3, alloy liquid 32, tup 4, wherein: the fuselage of described die casting machine 1 is set to the back along axis and high and ground forms a fixed inclination before low, pressure head 11 has that controlled high pressure at a slow speed advances, the gap pulse pressure-charging, and the cold-chamber die casting machine that returns of quick low voltage; Described mould 2 is a steel, symbol is closed in inside goods die cavity 24, die joint is by low preceding high setting the in back, front upper part is provided with and communicates with die cavity 24, by exhaust outlet 21, hydraulic cylinder 22, seal the controlled exhaust apparatus that cutter 23 constitutes, bottom, die cavity 24 back is provided with a material road 25 and material cup 3 cold chamber die casting moulds of plugging into; Described material cup 3 is a steel, hollow heavy wall cylindrical tube, the cylinder upper back is provided with cast gate 31, and plug in the material road 25 of front end and mould 2 die cavities 24, and the bottom is provided with the injection-tube of insulation electric heater 33; Described alloy liquid 32 is to obtain the semi-solid magnesium alloy or the aluminium alloy liquid of red-hot fusion after stirring exhaust from stirring melting furnace; Described tup 4 is a steel, thin cylinder step connecting rod injection ram in the middle of two ends are thick, cylinder front end end face is provided with mould 2 die cavity wall profiles, place in material cup 3 tube chambers, slidably in the material road 25 of material cup 3 and mould 2, connecting rod is by guide rail 41 guiding parallel with material cup 3 axis, and follower head links to each other with the pressure head 11 of die casting machine 1, promotes traction by pressure head 11.
Technical process and principle:
Die casting machine 1 is obliquely installed, and mould 2 is also tilted, and the controlled exhaust apparatus of mould 2 is in the front upper part of die cavity 24, and material road 25 is in the rear lower of die cavity 24 with expecting cup 3; During work, quantitative alloy liquid 32 is stored in bottom, material cup 3 back after cast gate 31 pours into material cup 3, do not flow into the die cavity 24 of mould 2 because of the gravity effect, the pressure head 11 of die casting machine 1 advances in high pressure mode at a slow speed, promote tup 4 reaches, tup 4 promotes alloy liquid 32, alloy liquid 32 is pressed in the mode that rises overally in the die cavity 24 of mould 2 and fills type, in the whole cavity filling process of high pressure at a slow speed, air in the die cavity 24 is in the top of alloy liquid 32 liquid levels all the time, and go out row from the exhaust outlet 21 of the controlled exhaust apparatus that is positioned at die cavity 24 front upper parts, when alloy liquid 32 liquid levels rise to die cavity 24 volumes 80～90% the time, hydraulic cylinder 22 controlled startings of controlled exhaust apparatus, cutter 23 sealing exhaust outlets 21 are sealed in promotion, surplus air goes out row by the die joint gap of mould 2 in the die cavity 24, and simultaneously, the pressure head 11 of die casting machine 1 starts the gap pulse pressure-charging, under the prerequisite that keeps injection power, tup 4 is imposed the hammer pulsation punching press of space-number millisecond, and stamping press is greater than 100Mpa, until the total condensation moulding; Technical process such as surplus die sinking, the demoulding, pickup and cold chamber die casting technology with.
Principle of domination:
Being obliquely installed of die casting machine 1, mould 2 is also tilted, alloy liquid 32 is able to fill type in the die cavity 24 that mode that whole liquid level rises is pressed into mould 2 under the promotion of pressure head 11, tup 4, the rising of alloy liquid 32 whole liquid level in die cavity 24, contact temperature equalization with the chamber wall at die cavity 24 each position, foundry goods is difficult for volume gas and produces cold shut, owes to cast defective;
The setting of mould 2 controlled exhaust apparatus makes alloy liquid 32 fill the type initial stage being pressed into die cavity 24, and exhaust is smooth and easy, fills the type later stage, is achieved the pulse forging and pressing;
The supercharging mode that adopts droped beat to dash, stamping press is greater than 100Mpa, as forging hammer constantly forges, foundry goods forges and presses compacted under constantly, foundry goods constantly obtains feeding and grain refinement in the ecto-entad consecutive solidification, make product reach desirable forging effect, and can also weld and heat treatment process;
The semi-solid alloy liquid 32 of employing red-hot fusion after stirring exhaust makes that gas is able to discharge in the alloy liquid lattice in stirring, it is more fine and close that the product crystalline phase of moulding is organized, and mechanical performance is more good;
It is for before making alloy liquid 32 enter mould 2 die cavities 24 that employing is provided with insulation electric heater 33 in material cup 3 bottoms, keeps good semi-solid flow.
Claims (1)
1, the liquid forging press of a kind of magnesium, aluminium alloy, comprise die casting machine (1), mould (2), material cup (3), alloy liquid (32), tup (4), it is characterized in that: the fuselage of described die casting machine (1) is set to the back along axis and high and ground forms a fixed inclination before low, pressure head (11) has that controlled high pressure at a slow speed advances, the gap pulse pressure-charging, and the cold-chamber die casting machine that returns of quick low voltage; Described mould (2) is a steel, symbol is closed in inside goods die cavity (24), die joint is by low preceding high setting the in back, front upper part is provided with and communicates with die cavity (24), by exhaust outlet (21), hydraulic cylinder (22), seal the controlled exhaust apparatus that cutter (23) constitutes, bottom, die cavity (24) back is provided with the cold chamber die casting mould that material road (25) and material cup (3) are plugged into; Described material cup (3) is a steel, hollow heavy wall cylindrical tube, the cylinder upper back is provided with cast gate (31), and plug in the material road (25) of front end and mould (2) die cavity (24), and the bottom is provided with the injection-tube of insulation electric heater (33); Described alloy liquid (32) is to obtain the semi-solid magnesium alloy or the aluminium alloy liquid of red-hot fusion after stirring exhaust from stirring melting furnace; Described tup (4) is a steel, thin cylinder step connecting rod injection ram in the middle of two ends are thick, cylinder front end end face is provided with mould (2) die cavity wall profile, place in material cup (3) tube chamber, slidably in the material road (25) of material cup (3) and mould (2), connecting rod is by guide rail (41) guiding parallel with material cup (3) axis, and follower head links to each other with the pressure head (11) of die casting machine (1), promotes traction by pressure head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201390122U CN201283421Y (en) | 2008-10-05 | 2008-10-05 | Liquid forging and pressing device of magnesium and aluminium alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201390122U CN201283421Y (en) | 2008-10-05 | 2008-10-05 | Liquid forging and pressing device of magnesium and aluminium alloy |
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| CN201283421Y true CN201283421Y (en) | 2009-08-05 |
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| CNU2008201390122U Expired - Fee Related CN201283421Y (en) | 2008-10-05 | 2008-10-05 | Liquid forging and pressing device of magnesium and aluminium alloy |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934336A (en) * | 2010-09-14 | 2011-01-05 | 华中科技大学 | Method and device for semi-solid precision rheo-casting of light alloys |
| CN101704088B (en) * | 2009-11-10 | 2011-10-05 | 姚国志 | Alloy liquid extrusion casting forming device and process method thereof |
| CN102689162A (en) * | 2012-06-18 | 2012-09-26 | 西南大学 | Liquid die forging and rolling compound formation method for 7050 aluminum alloy irregular-section large ring piece |
| CN103100662A (en) * | 2012-12-12 | 2013-05-15 | 镇江汇通金属成型有限公司 | Casting method of zinc alloy massive plate |
| CN103182498A (en) * | 2012-12-24 | 2013-07-03 | 陈火生 | Die-casting method and die-casting machine adopting same |
| CN103978180A (en) * | 2014-06-04 | 2014-08-13 | 宁波中桥精密机械有限公司 | Air entrainment prevention aluminum alloy cold chamber die casting machine |
| CN103978182A (en) * | 2014-06-04 | 2014-08-13 | 宁波中桥精密机械有限公司 | Air entrapment prevention leak-proof material tube assembly of cold chamber die-casting machine |
| CN104690245A (en) * | 2015-03-18 | 2015-06-10 | 东莞台一盈拓科技股份有限公司 | Horizontal die casting machine for amorphous alloy |
| CN108436060A (en) * | 2017-02-16 | 2018-08-24 | 江苏华威线路设备集团有限公司 | A kind of manufacturing method of contact net rotation ears |
| CN110842171A (en) * | 2019-12-04 | 2020-02-28 | 薛金磊 | Horizontal die casting machine that can incline |
| CN111570754A (en) * | 2020-07-02 | 2020-08-25 | 黑龙江工业学院 | Magnesium-aluminum alloy die-casting device and magnesium-aluminum alloy die-casting is with component that deflects |
| CN111745139A (en) * | 2020-07-02 | 2020-10-09 | 黑龙江工业学院 | Magnesium-aluminum alloy casting method and magnesium-aluminum alloy casting position adjusting method |
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2008
- 2008-10-05 CN CNU2008201390122U patent/CN201283421Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704088B (en) * | 2009-11-10 | 2011-10-05 | 姚国志 | Alloy liquid extrusion casting forming device and process method thereof |
| CN101934336B (en) * | 2010-09-14 | 2012-07-04 | 华中科技大学 | Method and device for semi-solid precision rheo-casting of light alloys |
| CN101934336A (en) * | 2010-09-14 | 2011-01-05 | 华中科技大学 | Method and device for semi-solid precision rheo-casting of light alloys |
| CN102689162B (en) * | 2012-06-18 | 2014-11-26 | 西南大学 | Liquid die forging and rolling compound formation method for 7050 aluminum alloy irregular-section large ring piece |
| CN102689162A (en) * | 2012-06-18 | 2012-09-26 | 西南大学 | Liquid die forging and rolling compound formation method for 7050 aluminum alloy irregular-section large ring piece |
| CN103100662A (en) * | 2012-12-12 | 2013-05-15 | 镇江汇通金属成型有限公司 | Casting method of zinc alloy massive plate |
| CN103182498A (en) * | 2012-12-24 | 2013-07-03 | 陈火生 | Die-casting method and die-casting machine adopting same |
| CN103182498B (en) * | 2012-12-24 | 2015-03-25 | 陈火生 | Die-casting method and die-casting machine adopting same |
| CN103978180A (en) * | 2014-06-04 | 2014-08-13 | 宁波中桥精密机械有限公司 | Air entrainment prevention aluminum alloy cold chamber die casting machine |
| CN103978182A (en) * | 2014-06-04 | 2014-08-13 | 宁波中桥精密机械有限公司 | Air entrapment prevention leak-proof material tube assembly of cold chamber die-casting machine |
| CN104690245A (en) * | 2015-03-18 | 2015-06-10 | 东莞台一盈拓科技股份有限公司 | Horizontal die casting machine for amorphous alloy |
| CN108436060A (en) * | 2017-02-16 | 2018-08-24 | 江苏华威线路设备集团有限公司 | A kind of manufacturing method of contact net rotation ears |
| CN110842171A (en) * | 2019-12-04 | 2020-02-28 | 薛金磊 | Horizontal die casting machine that can incline |
| CN111570754A (en) * | 2020-07-02 | 2020-08-25 | 黑龙江工业学院 | Magnesium-aluminum alloy die-casting device and magnesium-aluminum alloy die-casting is with component that deflects |
| CN111745139A (en) * | 2020-07-02 | 2020-10-09 | 黑龙江工业学院 | Magnesium-aluminum alloy casting method and magnesium-aluminum alloy casting position adjusting method |
| CN111570754B (en) * | 2020-07-02 | 2021-06-01 | 黑龙江工业学院 | Magnesium-aluminum alloy die-casting device and magnesium-aluminum alloy die-casting is with component that deflects |
| CN111745139B (en) * | 2020-07-02 | 2021-06-29 | 黑龙江工业学院 | Magnesium-aluminum alloy casting method and magnesium-aluminum alloy casting position adjusting method |
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Granted publication date: 20090805 Termination date: 20161005 |