CN1759977A - Method for producing rocking-turn disk of motorcar air conditioner through technique of liquid forging - Google Patents
Method for producing rocking-turn disk of motorcar air conditioner through technique of liquid forging Download PDFInfo
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- CN1759977A CN1759977A CN 200510010475 CN200510010475A CN1759977A CN 1759977 A CN1759977 A CN 1759977A CN 200510010475 CN200510010475 CN 200510010475 CN 200510010475 A CN200510010475 A CN 200510010475A CN 1759977 A CN1759977 A CN 1759977A
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- air conditioner
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- shaking tray
- motorcar air
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Abstract
A technology for manufacturing the shaking disk of air conditioner for car by liquid-state die forging method includes such steps as designing and manufacturing die, smelting Al alloy, liquid-state die forging and solution ageing. Its advantages are no need of cutting, fine structure and high mechanical performance.
Description
Technical field
The present invention relates to the processing method of motorcar air conditioner shaking tray.
Background technology
At present, the production of motorcar air conditioner shaking tray is to adopt metal mold gravity casting or stress metal casting, and this method causes the poor mechanical property of motorcar air conditioner shaking tray, does not satisfy the requirement of working environment; And produce the motorcar air conditioner shaking tray with the ordinary hot die forging, and its machining complex procedures can't be simplified mould structure, and the production cycle of product is long.
Summary of the invention
The present invention is in order to solve the long problem of production cycle of existing motorcar air conditioner shaking tray poor mechanical property, the requirement of not satisfying working environment and manufacturing procedure complexity, mould structure complexity, product, proposed a kind of method that adopts liquid forging process to produce the motorcar air conditioner shaking tray, the concrete technical scheme that addresses this problem is as follows:
The present invention adopts the method step of liquid forging process production motorcar air conditioner shaking tray as follows:
According to motorcar air conditioner shaking tray structure, shape, size and performance requirement, carry out the design of punch 3, die 6, punch cage plate 2, die cage plate 5, cope match-plate pattern 1 and the liquid-state forging die that lower bolster 8 is formed of motorcar air conditioner shaking tray;
(1) before crucible uses, handle, be coated with then and coat it;
(2) aluminum alloy surface is cleaned out, put in the crucible and heat; Adding aluminum alloy blank when crucible is heated to 500～800 ℃ melts;
(3) behind the aluminum alloy melting, remove the scum silica frost on the liquid level;
(1) the air-conditioner swaying tray mould is installed on the hydraulic press, mould is debugged;
(2) during mold heated to 100～150 ℃, in mold cavity, spray lubricant;
(3) during mold heated to 220～280 ℃, will pour in the die cavity through the aluminium alloy liquid of step 2 fusing by the volume of die cavity; Temperature during the aluminum alloy melt cast is 740～790 ℃;
(4) after aluminium alloy liquid poured into mould, punch was with the speed of 18～20mm/s pressurization, 2～7s, and when pressure reaches 120～160MPa, it is 30～80s that pressure is held time;
(5) cooling in the sand heap is put in taking-up rapidly through the motorcar air conditioner shaking tray of liquid forging and forging part;
To quench and tempering through the motorcar air conditioner shaking tray of the liquid forging of step 3, promptly make the aluminium alloy automobile air-conditioner swaying tray.
The present invention adopts liquid forging process to produce the method for motorcar air conditioner shaking tray, can realize not having machining, simplify mould structure, shorten the production cycle, and have defectives such as the shrinkage cavity of reducing or eliminating, shrinkage porosite, cold shut, pore and crackle, alleviate segregation, advantages such as refinement and improvement tissue and mechanical property.
Description of drawings
Fig. 1 is the overall structure cut-away view that liquid forging process is produced motorcar air conditioner shaking tray shaped device, the structural representation of Fig. 2 resistance heater 15.
1 is cope match-plate pattern among the figure, the 2nd, and punch cage plate, the 3rd, punch, the 4th, warming plate, the 5th, die cage plate, the 6th, die, the 7th, push rod, the 8th, lower bolster, the 9th, bolt, the 10th, alignment pin, the 11st, motorcar air conditioner shaking tray, the 12nd, resistance wire, the 13rd, internal layer high frequency porcelain tube, the 14th, outer high frequency porcelain tube, the 15th, resistance heater.
The specific embodiment
The specific embodiment one: present embodiment adopts the process step of liquid forging production motorcar air conditioner shaking tray as follows:
According to motorcar air conditioner shaking tray structure, shape, size and performance requirement, carry out the design of motorcar air conditioner shaking tray punch and die liquid-state forging die.The design of the punch 3 of motorcar air conditioner shaking tray and die 6 liquid-state forging dies will take into full account mold materials, gap, draw taper, exhaust influence, five shrinkage pools of motorcar air conditioner shaking tray are the transfer motion power surface, allowance amplifies 1.0mm, and draw taper is amplified 3 °; Centre bore amplifies allowance 1.0mm because of the needs of mount, and shaking tray designs by aluminum alloy heat amount of contraction 1.5%; Punch 3 and die 6 are selected 3Cr2W8V for use, behind 1130～1150 ℃ of oil quenchings, again through 550～600 ℃ of tempering 1～2 hour; Punch cage plate 2, die cage plate 5, cope match-plate pattern 1 and lower bolster 8 are selected steel for use No. 45, behind 820～840 ℃ of oil quenchings, again through 500～540 ℃ of tempering 1～2 hour;
(1) before crucible uses, remove fouls such as sticking to surperficial iron rust, oxidizing slag, old dope layer, coat coating material then;
(2) be that 4A11 (LD11) removing surface is clean with the aluminium alloy model, put in the crucible and heat; Crucible is placed on when being heated to 500～800 ℃ in the resistance furnace and adds aluminum alloy blank and melt;
(3) behind the aluminum alloy melting, No. 2 refining fluxs are sprinkling upon on the aluminum alloy melt surface equably, stir, refining flux is added in the aluminium alloy liquid goes, leave standstill 5～15 minutes after, remove the scum silica frost on the liquid level;
(1) motorcar air conditioner shaking tray mould is installed on hydraulic press or the die casting machine through transforming; Along with the rising of mold temperature, bolt 9 may produce loosening, causes the skew of die location, and easy mold damage die cavity is so will debug mould;
(2) mould adds thermal recovery resistance heater 15, consider the insulation between resistance wire 12 and the mould, adopt the outer high frequency porcelain tube 14 of 4 Φ 40mm and internal layer high frequency porcelain tube 13 per two (see figure 2)s that partner of 4 Φ 32mm, resistance wire 12 curls are wrapped on the internal layer high frequency porcelain tube 13 of Φ 32mm, the internal layer high frequency porcelain tube 13 of Φ 32mm is fixed on the centre of the outer high frequency porcelain tube 14 of Φ 40mm, resistance wire 12 is selected the Cr20Ni80 material for use, diameter is 1.5mm, helical pitch is 4mm, pitch diameter is that 36mm forms resistance heater 15, series connection is on the voltage of 220V between every pair, power is controlled at 3～4kW, take this heater preheating speed fast, be easy to control; During mould and die preheating to 100～150 ℃, adopt lubricant spraying mold cavity (lubricant adds 95% machine oil by 5% 200～300 purpose graphite powders, stirs, and makes the machine oil graphitic lubricant), keep spraying during sprayed coating evenly;
When (3) continuing to be heated to 220～280 ℃ after the mould spraying, will pour in the die cavity through the aluminium alloy liquid of step 2 fusing by the volume of die cavity; Should reduce the aluminum alloy melt fluid level as far as possible near the mould mouth during cast, avoid aluminium alloy liquid to splash, the temperature of containing aluminium alloy liquid container should be close with the temperature of aluminium alloy liquid, and the temperature the during cast of aluminium alloy liquid is 740～790 ℃;
(4) after aluminium alloy liquid poured into mould, punch 3 was with the speed of 18～20mm/s pressurization, 2～7s, and when pressure reaches 120～160MPa, it is 30～80s that pressure is held time;
(5) taking-up is also put into cooling in the sand heap rapidly through the motorcar air conditioner shaking tray 11 of liquid forging;
The liquid forging motorcar air conditioner shaking tray 11 that obtains through step 3 is incubated 2.5～3.5 hours down at 535 ± 5 ℃ quenches,, promptly make aluminium alloy automobile air-conditioner swaying tray 11 175 ± 5 ℃ of insulation tempering in 5～7 hours down.
The motorcar air conditioner shaking tray that adopts present embodiment to produce, its mechanical performance index reaches: σ
b〉=280Mpa; δ 〉=10%; HV
0.1Be 100～120.This shaking tray carries out 1500 hours amorphism change in size of bench test under 100 ℃ condition, defectives such as shaking tray surface and inner no cold shut, pore, shrinkage cavity, crackle.
The specific embodiment two: the difference of the present embodiment and the specific embodiment one is that the pouring temperature of aluminium alloy liquid in the step 3 is 740 ℃, and the temperature of mold heated is 280 ℃, and applied pressure is 120Mpa, and pressure is held time and is 80s.Other step is identical with the specific embodiment one.
The specific embodiment three: the difference of the present embodiment and the specific embodiment one and the specific embodiment two is that the pouring temperature of aluminium alloy liquid in the step 3 is 760 ℃, the temperature of mold heated is 250 ℃, applied pressure is 140MPa, and pressurization is held time and is 60s.Other step is identical with the specific embodiment one.
The specific embodiment four: the difference of the present embodiment and the specific embodiment one, two, three is that the pouring temperature of aluminium alloy liquid in the step 3 is 790 ℃, and the temperature of mold heated is 220 ℃, and applied pressure is 160Mpa, and pressure is held time and is 30s.Other step is identical with the specific embodiment one.
Claims (8)
1, adopt liquid forging process to produce the method for motorcar air conditioner shaking tray, it is characterized in that the step of this method is as follows:
Step 1, Mould design:
According to motorcar air conditioner shaking tray structure, shape, size and performance requirement, carry out the design of punch (3), die (6), punch cage plate (2), die cage plate (5), cope match-plate pattern (1) and the liquid-state forging die that lower bolster (8) is formed of motorcar air conditioner shaking tray;
Step 2, aluminium alloy smelting:
(1) before crucible uses, handle, be coated with then and coat it;
(2) aluminum alloy surface is cleaned out, put in the crucible and heat; Adding aluminum alloy blank when crucible is heated to 500～800 ℃ melts;
(3) behind the aluminum alloy melting, remove the scum silica frost on the liquid level;
Step 3, liquid forging process:
(1) the air-conditioner swaying tray mould is installed on the hydraulic press, mould is debugged;
(2) during mold heated to 100～150 ℃, in mold cavity, spray lubricant;
(3) during mold heated to 220～280 ℃, will pour in the die cavity through the aluminium alloy liquid of step 2 fusing by the volume of die cavity; Temperature during the aluminum alloy melt cast is 740～790 ℃;
(4) after aluminium alloy liquid poured into mould, punch was with the speed of 18～20mm/s pressurization, 2～7s, and when pressure reaches 120～160MPa, it is 30～80s that pressure is held time;
(5) cooling in the sand heap is put in taking-up rapidly through the motorcar air conditioner shaking tray of liquid forging and forging part;
Step 4, solid solution aging are handled:
To quench and tempering through the motorcar air conditioner shaking tray of the liquid forging of step 3, promptly make the aluminium alloy automobile air-conditioner swaying tray.
2, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, allowance amplifies 1.0mm when it is characterized in that the design of the punch (3) of motorcar air conditioner shaking tray and die (6) liquid-state forging die, and draw taper is amplified 3 °; Centre bore amplifies allowance 1.0mm, and shaking tray designs by 1.5% of aluminum alloy heat amount of contraction.
3, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, it is characterized in that punch (3) and die (6) behind 1130～1150 ℃ of oil quenchings, again through 550～600 ℃ of tempering 1～2 hour; Punch cage plate (2), die cage plate (5), cope match-plate pattern (1) and lower bolster (8) are behind 820～840 ℃ of oil quenchings, again through 500～540 ℃ of tempering 1～2 hour.
4, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, it is characterized in that the crucible in the step 2 adds the heating of thermal recovery resistance furnace.
5, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, it is characterized in that the mold heated in the step 3 adopts resistance heater (15), resistance heater (15) is made up of internal layer high frequency porcelain tube (13), outer high frequency porcelain tube (14), resistance wire (12), resistance wire (12) curl is wrapped on the outer round surface of internal layer high frequency porcelain tube (13), and internal layer high frequency porcelain tube (13) is fixed on the centre of outer high frequency porcelain tube (14).
6, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, the pouring temperature that it is characterized in that aluminium alloy liquid in the step 3 is 740 ℃, the temperature of mold heated is 280 ℃, and applied pressure is 120Mpa, and pressure is held time and is 80s.
7, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, the pouring temperature that it is characterized in that aluminium alloy liquid in the step 3 is 760 ℃, the temperature of mold heated is 250 ℃, and applied pressure is 140MPa, and pressurization is held time and is 60s.
8, employing liquid forging process according to claim 1 is produced the method for motorcar air conditioner shaking tray, the pouring temperature that it is characterized in that aluminium alloy liquid in the step 3 is 790 ℃, the temperature of mold heated is 220 ℃, and applied pressure is 160Mpa, and pressure is held time and is 30s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510010475XA CN100431777C (en) | 2005-10-25 | 2005-10-25 | Method for producing rocking-turn disk of motorcar air conditioner through technique of liquid forging |
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| CNB200510010475XA CN100431777C (en) | 2005-10-25 | 2005-10-25 | Method for producing rocking-turn disk of motorcar air conditioner through technique of liquid forging |
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| CN1759977A true CN1759977A (en) | 2006-04-19 |
| CN100431777C CN100431777C (en) | 2008-11-12 |
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Cited By (9)
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| CN101758194B (en) * | 2009-12-17 | 2011-09-28 | 中国兵器工业第五二研究所 | Indirect extruding and casting method of wrought aluminum alloy casting |
| CN102251158A (en) * | 2011-07-09 | 2011-11-23 | 浙江巨科铝业有限公司 | Aluminium alloy for vehicle hub and preparation method thereof |
| CN102319889A (en) * | 2011-10-24 | 2012-01-18 | 烟台海德汽车零部件有限责任公司 | Process for forging automotive power steering pump cover by using liquid model |
| CN102861904A (en) * | 2012-09-19 | 2013-01-09 | 江苏华威线路设备集团有限公司 | Special molding machining method of positioning support body |
| CN102873300A (en) * | 2012-11-01 | 2013-01-16 | 江苏华威线路设备集团有限公司 | Forming processing method for double rotating lugs |
| CN102909344A (en) * | 2012-11-01 | 2013-02-06 | 江苏华威线路设备集团有限公司 | Forming method of single lug of sleeve |
| CN103128269A (en) * | 2013-03-19 | 2013-06-05 | 四川制动科技股份有限公司 | Method for manufacturing braking products of rail wagons |
| CN108080600A (en) * | 2017-11-17 | 2018-05-29 | 中国兵器科学研究院宁波分院 | A kind of method that airport runway center line lamp upper cover blank prepares lamp upper cover blank with squeeze casting mould and its using the mold |
| CN113102671A (en) * | 2021-04-06 | 2021-07-13 | 无锡透平叶片有限公司 | Die forging method for superhard aluminum alloy forging of cone-barrel-shaped revolving body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60244456A (en) * | 1984-05-19 | 1985-12-04 | Minoru Suzuki | Production of metallic product |
| GB2243620B (en) * | 1990-03-27 | 1994-06-29 | Atsugi Unisia Corp | Improvements in and relating to forming aluminium-silicon alloy |
| CN1039103C (en) * | 1992-08-02 | 1998-07-15 | 中国兵器工业第五二研究所宁波分所 | Method and apparatus for extruding and casting aluminium alloy vehicle wheel |
| US5730205A (en) * | 1996-07-15 | 1998-03-24 | Thomas; Robert Anthony | Die assembly for squeeze casting |
| CN1093447C (en) * | 2000-09-27 | 2002-10-30 | 张有明 | Processing art and mould for nonmetal type liquid forging or extruding casting formation |
| CN1110387C (en) * | 2001-02-28 | 2003-06-04 | 王新 | Aluminium alloy extrusion casting method |
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2005
- 2005-10-25 CN CNB200510010475XA patent/CN100431777C/en not_active Expired - Fee Related
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| CN101758194B (en) * | 2009-12-17 | 2011-09-28 | 中国兵器工业第五二研究所 | Indirect extruding and casting method of wrought aluminum alloy casting |
| CN102251158A (en) * | 2011-07-09 | 2011-11-23 | 浙江巨科铝业有限公司 | Aluminium alloy for vehicle hub and preparation method thereof |
| CN102319889A (en) * | 2011-10-24 | 2012-01-18 | 烟台海德汽车零部件有限责任公司 | Process for forging automotive power steering pump cover by using liquid model |
| CN102861904A (en) * | 2012-09-19 | 2013-01-09 | 江苏华威线路设备集团有限公司 | Special molding machining method of positioning support body |
| CN102873300A (en) * | 2012-11-01 | 2013-01-16 | 江苏华威线路设备集团有限公司 | Forming processing method for double rotating lugs |
| CN102909344A (en) * | 2012-11-01 | 2013-02-06 | 江苏华威线路设备集团有限公司 | Forming method of single lug of sleeve |
| CN103128269A (en) * | 2013-03-19 | 2013-06-05 | 四川制动科技股份有限公司 | Method for manufacturing braking products of rail wagons |
| CN108080600A (en) * | 2017-11-17 | 2018-05-29 | 中国兵器科学研究院宁波分院 | A kind of method that airport runway center line lamp upper cover blank prepares lamp upper cover blank with squeeze casting mould and its using the mold |
| CN108080600B (en) * | 2017-11-17 | 2019-09-27 | 中国兵器科学研究院宁波分院 | A method of airport runway center line lamp upper cover blank is prepared with squeeze casting mould |
| CN113102671A (en) * | 2021-04-06 | 2021-07-13 | 无锡透平叶片有限公司 | Die forging method for superhard aluminum alloy forging of cone-barrel-shaped revolving body |
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| CN100431777C (en) | 2008-11-12 |
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