CN106424635A - Vacuum die casting process for aluminum alloy manufacturing - Google Patents
Vacuum die casting process for aluminum alloy manufacturing Download PDFInfo
- Publication number
- CN106424635A CN106424635A CN201610746195.3A CN201610746195A CN106424635A CN 106424635 A CN106424635 A CN 106424635A CN 201610746195 A CN201610746195 A CN 201610746195A CN 106424635 A CN106424635 A CN 106424635A
- Authority
- CN
- China
- Prior art keywords
- die casting
- vacuum
- casting process
- aluminium
- liquid
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
Abstract
The invention relates to the technical field of a vacuum die casting method, in particular to a vacuum die casting process for aluminum alloy manufacturing. According to the die casting process, advanced high-pressure vacuum die casting is adopted, a quantitative furnace can be used for completely isolating the influence of the outside environment on molten aluminum, and therefore the solidification time of the molten aluminum is prolonged, the aluminum water density index generated after aluminum water refining is greatly reduced, and the quality and mechanical property of a product are guaranteed. A mold temperature controller and a die casting machine are additionally arranged to be used in cooperation, and therefore the density of parts can be guaranteed well, the percent of pass of a blank is increased to 99%, and meanwhile the tensile strength and yield strength of the product are improved.
Description
Technical field
The present invention relates to vacuum die-casting method technical field, the vacuum die casting process that especially a kind of aluminium alloy manufactures.
Background technology
With the development of auto industry, auto parts are gradually changing, and are made into aluminium matter part by original ferrous element,
Alleviating weight makes automobilism effect more preferable.Owing to having good elongation percentage by Novel aluminum alloy material, say, that one
Denier has an accident, and the vehicle body being made up of special material can absorb most kinetic energy, it is ensured that the safety of personnel, and body lightening
Being a development trend of future automobile industry, therefore the parts for aluminium alloy there will necessarily be great demand in the future.Aluminium closes
The parts of gold have high requirement for extrusion process, and it is not enough that current aluminium alloy compression casting equipment also exists control ability, produce
The qualification rate of product is relatively low, the quality of product and the defect such as mechanical property is relatively low.
Evacuated die-casting process device and method of operating have been widely used in field of metal casting technology.The method of evacuated die-casting process has many
Kind, the technological core of evacuated die-casting process is how sealed mold, improves the vacuum in mold cavity.Up-to-date achievement in research table
Bright, the vacuum in mold cavity is higher, and melted metal or plastic liquid are better in mold cavity internal mobility, metal casting
In pore rank lower.The principal element affecting the vacuum in mold cavity at present is：1. mould seals bad.With mould
Improving constantly of vacuum in tool die cavity, the air in the foundry goods thimble of die casting machine and the slight void of dynamic model is by mold cavity
In high vacuum attract the air-flow producing high speed to enter mold cavity, metal melted in air-flow direct Impact mould die cavity or mould
Feed liquid body, makes melted metal or plastic liquid generation turbulent flow generation pore in mold cavity, affects the quality of product, Er Qiejin
Enter the air-flow in mold cavity and metal casting and oxidation occurs under high temperature action, affect the quality of product.2. mould type
Chamber charging aperture lacks sealing device.During melted metal liquid injects mold cavity from charging aperture, the air outside mould
Also enter mold cavity therewith, make the vacuum in mold cavity reduce, do not reach far away the state of ultrahigh vacuum, affect vacuum
The effect of die casting.3. the vacuum orifice of mold cavity does not melt metal liquid or plastic liquid baffling device.Melted gold
Belong to liquid or plastic liquid under the effect of condition of high vacuum degree, it is easy to enter vacuum pipe stifled from the vacuum orifice of mold cavity
Plug vacuum pipe, causes production accident.
Therefore, the shortcomings and deficiencies for conventional art propose the vacuum die casting process that a kind of aluminium alloy manufactures.
Content of the invention
In order to overcome the existing deficiency adding technique, the invention provides the Vacuum Pressure foundry work that a kind of aluminium alloy manufactures
Skill.
The technical solution adopted for the present invention to solve the technical problems is：The vacuum die casting process that a kind of aluminium alloy manufactures,
Starter, injection punch head slides backward along injection chamber, and high-pressure vacuum pump absorbs the air within die cavity by vacuum tube；Very
When pneumatics power is reduced within 2000 Pa, under the effect of pressure differential, the aluminium liquid in aluminium liquid chamber enters in die cavity from stalk, aluminium
Liquid is lowered the temperature≤20 DEG C during stalk；When aluminium liquid is full of die cavity, dynamic model and cover half interlock and, injection punch head is forward
Sliding and blocking the outlet of stalk, die casting machine is started working；Pouring temperature is 680 DEG C-720 DEG C, and temperature monitoring 16 controls essence
Degree≤± 2 DEG C；Leve monitor 17 quantitative accuracy≤± 2%；Can be by regulating height and the rotation holding furnace 14 of hydraulic stem 12
Angle make stalk 10 can fully absorb the aluminium liquid in body of heater, temperature of aluminum liquid exceedes ± 5 DEG C make monitoring warning in time.
According to another embodiment of the invention, farther including, described hydraulic stem is kind of the hydraulic pressure that can stretch up and down
Bar, and the telescopic extensions of hydraulic stem is 0cm-50cm.
According to another embodiment of the invention, farther include, between described holding furnace and described rotating shaft, pass through spiral shell
Line connects, and holding furnace is 0 °-35 ° with the angle on base vertical direction.
According to another embodiment of the invention, farther including, described leve monitor is provided with two, and liquid level prison
Survey device and be separately fixed at top and the bottom of aluminium liquid chamber.
According to another embodiment of the invention, farther include, the thermal insulation medium aluminium liquid in described holding furnace.
The invention has the beneficial effects as follows, this extrusion process uses advanced high pressure vacuum die casting, uses quantitative holding furnace energy
Enough completely isolated external environment conditions are for the impact of aluminium liquid, thus extend the setting time of aluminium liquid, greatly reduce aluminium crystal refining
After aluminium water density index, it is ensured that the quality of product and mechanical property；Increasing has die heater to be used in conjunction with each other with die casting machine,
Can well ensure the consistency of part, the qualification rate of blank is more than 99%, improves tensile strength and the yield strength of product；
Being provided with temperature monitoring and leve monitor, when liquid level is above or below assigned position, temperature of aluminum liquid can when too high or too low
With electrical control cubicles linkage, can warning reminding operating personnel, improve the security performance of die casting equipment；Thermal insulation furnace body can up-down adjustment
Height and front and back regulation angle, so that stalk can fully absorb the aluminium liquid in body of heater；It is provided with touching display screen and control
Cabinet, it is possible to increase the friendly of user, whole technical process can pass through screen monitor, more during mold exchange, only need to input quantitatively weight
Amount and temperature of aluminum liquid.
Brief description
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
In figure the 1st, touch display screen, the 2nd, electrical control cubicles, the 3rd, dynamic model, the 4th, die cavity, the 5th, vacuum tube, the 6th, high-pressure vacuum pump, the 7th, cover half, the 8th, mould
Temperature machine, the 9th, die casting machine, the 10th, stalk, the 11st, rotating shaft, the 12nd, hydraulic stem, the 13rd, aluminium liquid chamber, the 14th, holding furnace, the 15th, base, the 16th, temperature
Monitor, the 17th, leve monitor, the 18th, injection punch head, the 19th, injection chamber.
Detailed description of the invention
If Fig. 1 is the structural representation of the present invention, the vacuum die casting process of a kind of aluminium alloy manufacture, starter, injection
Drift 18 slides backward along injection chamber 19, and high-pressure vacuum pump 6 absorbs the air within die cavity 4 by vacuum tube 5；Vacuum pressure
When being reduced within 2000 Pa, under the effect of pressure differential, the aluminium liquid in aluminium liquid chamber 13 enters in die cavity 4 from stalk 10, aluminium
Liquid is lowered the temperature≤20 DEG C during stalk 10；When aluminium liquid is full of die cavity 4, dynamic model 3 and cover half 7 interlock and, injection punching
18 forward slip block the outlet of stalk 10, and die casting machine 9 is started working；Pouring temperature is 680 DEG C-720 DEG C, and temperature is supervised
Survey device 16 control accuracy≤± 2 DEG C；Leve monitor 17 quantitative accuracy≤± 2%；Can by regulate hydraulic stem 12 height and
The angle rotating holding furnace 14 makes stalk 10 can fully absorb the aluminium liquid in body of heater, temperature of aluminum liquid exceedes ± 5 DEG C do in time
Go out monitoring warning.
According to another embodiment of the invention, farther including, described hydraulic stem 12 is kind of the liquid that can stretch up and down
Depression bar 12, and the telescopic extensions of hydraulic stem 12 is 0cm-50cm, in order to according to demand device height is adjusted.
According to another embodiment of the invention, farther include, logical between described holding furnace 14 and described rotating shaft 11
Cross threaded, and holding furnace 14 is 0 °-35 ° with the angle on base 15 vertical direction so that device is free to rotate, convenient
The process of operation.
According to another embodiment of the invention, farther including, described leve monitor 17 is provided with two, and liquid level
Monitor 17 is separately fixed at top and the bottom of aluminium liquid chamber 13, aluminium liquid measure can be monitored in real time.
According to another embodiment of the invention, farther include, the described thermal insulation medium aluminium in holding furnace 14
Liquid, stable performance, heat insulation effect is excellent.
It described above is merely exemplary for the purpose of the present invention, and nonrestrictive, and those of ordinary skill in the art understand,
In the case of the spirit and scope being limited without departing from claims, many modifications can be made, change or equivalence, but all
To fall within the scope of protection of the present invention.
Claims (5)
1. the vacuum die casting process that aluminium alloy manufactures, is characterized in that, starter, injection punch head（18）Along injection chamber
（19）Slide backward, high-pressure vacuum pump（6）Pass through vacuum tube（5）Absorb die cavity（4）Internal air；Vacuum pressure is reduced to
When within 2000 Pa, aluminium liquid chamber under the effect of pressure differential（13）Interior aluminium liquid is from stalk（10）Enter die cavity（4）In, aluminium
Liquid is through stalk（10）During cooling≤20 DEG C；When aluminium liquid is full of die cavity（4）When, dynamic model（3）With cover half（7）Interlock
With injection punch head（18）Forward slip blocks stalk（10）Outlet, die casting machine（9）Start working；Pouring temperature is 680
DEG C-720 DEG C, temperature monitoring 16 control accuracy≤± 2 DEG C；Leve monitor 17 quantitative accuracy≤± 2%；Can be by regulation liquid
The angle of the height of depression bar 12 and rotation holding furnace 14 makes stalk 10 can fully absorb the aluminium liquid in body of heater, and temperature of aluminum liquid surpasses
Cross ± 5 DEG C in time make monitoring warning.
2. the vacuum die casting process that aluminium alloy according to claim 1 manufactures, is characterized in that, described hydraulic stem（12）It is
Plant the hydraulic stem that can stretch up and down（12）, and hydraulic stem（12）Telescopic extensions be 0cm-50cm.
3. the vacuum die casting process that aluminium alloy according to claim 1 manufactures, is characterized in that, described holding furnace（14）With
Described rotating shaft（11）Between be threaded connection, and holding furnace（14）With base（15）Angle on vertical direction is 0 °-35 °.
4. the vacuum die casting process that aluminium alloy according to claim 1 manufactures, is characterized in that, described leve monitor
（17）It is provided with two, and leve monitor（17）It is separately fixed at aluminium liquid chamber（13）Top and bottom.
5. the vacuum die casting process that aluminium alloy according to claim 1 manufactures, is characterized in that, described holding furnace（14）In
Thermal insulation medium aluminium liquid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746195.3A CN106424635A (en) | 2016-08-29 | 2016-08-29 | Vacuum die casting process for aluminum alloy manufacturing |
| PCT/CN2017/087397 WO2018040654A1 (en) | 2016-08-29 | 2017-06-07 | Vacuum die-casting process for manufacturing aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746195.3A CN106424635A (en) | 2016-08-29 | 2016-08-29 | Vacuum die casting process for aluminum alloy manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424635A true CN106424635A (en) | 2017-02-22 |
Family
ID=58182458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610746195.3A Pending CN106424635A (en) | 2016-08-29 | 2016-08-29 | Vacuum die casting process for aluminum alloy manufacturing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106424635A (en) |
| WO (1) | WO2018040654A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040656A1 (en) * | 2016-08-29 | 2018-03-08 | 常州市蓝托金属制品有限公司 | Vacuum die casting apparatus for manufacturing aluminum alloy |
| WO2018040654A1 (en) * | 2016-08-29 | 2018-03-08 | 常州市蓝托金属制品有限公司 | Vacuum die-casting process for manufacturing aluminium alloy |
| CN108543939A (en) * | 2018-05-24 | 2018-09-18 | 广州现代康体设备有限公司 | A kind of production equipment intelligent mechanic control system |
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| JP2001079654A (en) * | 1999-08-30 | 2001-03-27 | Mueller Weingarten Ag | Method for controlling metal supplying quantity |
| JP2004058122A (en) * | 2002-07-31 | 2004-02-26 | Hitachi Metals Ltd | Vacuum die-casting apparatus |
| JP2008142735A (en) * | 2006-12-08 | 2008-06-26 | Nissan Motor Co Ltd | Casting device and method for feeding molten metal in the casting device |
| US20080257519A1 (en) * | 2004-09-01 | 2008-10-23 | John Francis Carrig | Alloy Casting Apparatus |
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| JP2011131265A (en) * | 2009-12-25 | 2011-07-07 | Hitachi Metals Ltd | Vacuum die casting apparatus and vacuum die casting method |
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| CN104259430A (en) * | 2014-10-21 | 2015-01-07 | 湖南航天诚远精密机械有限公司 | Metal and alloy vacuum die casting forming device and method |
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| CN104668504B (en) * | 2013-11-30 | 2017-06-16 | 中国科学院金属研究所 | Non-crystaline amorphous metal component casting equipment and technique |
| CN203817338U (en) * | 2014-01-23 | 2014-09-10 | 姚国志 | Intelligent alloy liquid extrusion-casting molding device |
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| CN106424636A (en) * | 2016-08-29 | 2017-02-22 | 常州市蓝托金属制品有限公司 | Vacuum die casting equipment for aluminum alloy manufacturing |
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- 2016-08-29 CN CN201610746195.3A patent/CN106424635A/en active Pending
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2017
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| JP2001079654A (en) * | 1999-08-30 | 2001-03-27 | Mueller Weingarten Ag | Method for controlling metal supplying quantity |
| JP2004058122A (en) * | 2002-07-31 | 2004-02-26 | Hitachi Metals Ltd | Vacuum die-casting apparatus |
| US20080257519A1 (en) * | 2004-09-01 | 2008-10-23 | John Francis Carrig | Alloy Casting Apparatus |
| JP2008142735A (en) * | 2006-12-08 | 2008-06-26 | Nissan Motor Co Ltd | Casting device and method for feeding molten metal in the casting device |
| CN201186348Y (en) * | 2008-04-15 | 2009-01-28 | 叶瑞文 | Vacuum upper suction casting equipment |
| JP2011131265A (en) * | 2009-12-25 | 2011-07-07 | Hitachi Metals Ltd | Vacuum die casting apparatus and vacuum die casting method |
| CN102728815A (en) * | 2012-07-25 | 2012-10-17 | 福安市广源机电有限公司 | Vacuum self-gravity pouring high-static pressure strong-pouring die-casting forming equipment and technique thereof |
| CN102836988A (en) * | 2012-09-21 | 2012-12-26 | 西北工业大学 | Aluminium alloy casting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040656A1 (en) * | 2016-08-29 | 2018-03-08 | 常州市蓝托金属制品有限公司 | Vacuum die casting apparatus for manufacturing aluminum alloy |
| WO2018040654A1 (en) * | 2016-08-29 | 2018-03-08 | 常州市蓝托金属制品有限公司 | Vacuum die-casting process for manufacturing aluminium alloy |
| CN108543939A (en) * | 2018-05-24 | 2018-09-18 | 广州现代康体设备有限公司 | A kind of production equipment intelligent mechanic control system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018040654A1 (en) | 2018-03-08 |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |