CN105499530B - A kind of aluminium alloy injection (mo(u)lding) machine and injection molding technique - Google Patents
A kind of aluminium alloy injection (mo(u)lding) machine and injection molding technique Download PDFInfo
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- CN105499530B CN105499530B CN201510831833.7A CN201510831833A CN105499530B CN 105499530 B CN105499530 B CN 105499530B CN 201510831833 A CN201510831833 A CN 201510831833A CN 105499530 B CN105499530 B CN 105499530B
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- aluminium alloy
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- solid
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- 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
- B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
- B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
-
- 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
- B22D17/28—Melting pots
Abstract
The invention discloses a kind of aluminium alloy injection (mo(u)lding) machine and injection molding techniques, it include: clamping, ejecting mechanism, injection mechanism and electric control system, the injection mechanism includes: the barrel that both ends are equipped with opening, the heating device being coated on barrel, it is fixed on the nozzle of barrel inner end opening, it is fixed on the feed device being connected at the top of barrel outer end and with barrel, the injection rod being movably arranged at barrel outer end opening, the injection cylinder for pushing the injection rod to stretch in barrel, the diameter of the injection rod and the opening diameter clearance fit of barrel outer end, the heating device, injection cylinder is connect with electric control system.It the invention enables the preparation of liquid aluminium alloy, conveying and molding is completed in this device of injection (mo(u)lding) machine, has prevented air completely and entered in injection (mo(u)lding) machine, improve final product quality.
Description
Technical field
The present invention relates to Al-alloy products technical fields, more particularly to a kind of aluminium alloy injection (mo(u)lding) machine and note
Penetrate moulding process.
Background technique
Aluminium alloy molding is that raw material of aluminum alloy is reached to meet the skills such as shape, size, intensity by various process flows
The forming method for the finished product that art requires.There are aluminium alloy extruded molding, magnesium alloy injection moulding and die cast at present.
Extrusion molding is mainly used in shape material field, and finished product limitation is strong, and finished metal mobility direction is single, complicated
The deep changeable product of chamber can not achieve.
Magnesium alloy injection molding technique, finished product can only be magnesium alloys, and finished product is single, magnesium alloy injection molding technique be by
3mm-6mm or so magnesium alloy granular feedstock, at room temperature by feed device feeding barrel, driving and heating by screw rod,
It is finally injected in die cavity, then a kind of technique being cooled and shaped.Technique raw material itself must be magnesium alloy and be it is granular, must
It cannot must be prevented completely when proposing requirements at the higher level, and forming by screw drive and heating, intensity, corrosion resistance to screw rod
The granular feedstock not melted.
Compression molding process is aluminium alloy moulding process most widely used at present, by melting raw material of aluminum alloy, input
To ejecting device, then injection and forms the technique of finished product to die cavity again, and the technique is in order to enhance mobility, aluminium alloy former material
Expect that the content of silicon is very high, this intensity to product, mechanical property, heating conduction etc. is unfavorable.The process flow itself is by solid-state
It is transported to material injection device after aluminum alloy melting, is then formed after cooling by ejecting device injection to die cavity again, therefore at this
The preparation, conveying and molding of liquid aluminium alloy are completed in the same device in technical process, cannot prevent sky completely
The defects of gas enters in device, and manufactured finished product is loose in the presence of assembling, stomata, final product quality is not high.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of preparation of liquid aluminium alloy, conveying and be molded over the same dress
The aluminium alloy injection (mo(u)lding) machine and injection molding technique for setting middle completion, have prevented air completely and have entered in device, improve finished product
Quality.
The technical solution adopted by the present invention are as follows: propose a kind of aluminium alloy injection (mo(u)lding) machine, comprising: clamping, ejector
Structure, injection mechanism and electric control system, the injection mechanism include: that both ends are equipped with the barrel of opening, are coated on barrel
Heating device, the nozzle for being fixed on barrel inner end opening, be fixed on the feed device being connected at the top of barrel outer end and with barrel,
The injection cylinder for being movably arranged at the injection rod at barrel outer end opening, the injection rod being pushed to stretch in barrel, the injection
The diameter of bar and the opening diameter clearance fit of barrel outer end, the heating device, injection cylinder connect with electric control system
It connects.
The clamping includes: the top clamping plate set gradually, moving template, Bottom clamp plate and folding mould oil cylinder；
The folding mould oil cylinder is fixed on Bottom clamp plate, and opens and closes output shaft and the toggling device transmission company of mould oil cylinder
It connects, the folding mould oil cylinder is connect with electric control system.
The ejecting mechanism is set between Bottom clamp plate and moving template, and ejecting mechanism includes: can be in Bottom clamp plate and dynamic model
Push rod and release link that the push plate that moves back and forth between plate, one end are fixed in push plate can push push plate towards moving template
The movable end of ejection cylinder, the push rod stretches out moving template, and the movable end of the release link protrudes into moving template, release link activity
The end face at end is flushed with moving template, and the ejection cylinder is connect with electric control system.
The one side of the moving template towards Bottom clamp plate is equipped with guide plate, and the push rod and release link activity pass through guiding
Plate protrudes into moving template again.
The toggling device is by at least two groups hinge assembly being symmetricly set between Bottom clamp plate and moving template and connection
The positioning plate of each hinge assembly is constituted, and the hinge assembly includes the bent hand hinged with Bottom clamp plate and the hinged company of moving template
Bar, the transition connecting rod being hinged between Qu Shouyu connecting rod；The positioning plate is hinged with the transition connecting rod in each hinge assembly respectively,
The output shaft and positioning plate of the folding mould oil cylinder are sequentially connected.
The present invention also proposes a kind of aluminium alloy injection molding technique, which comprises the following steps:
A. feeding: at room temperature, solid-state aluminium alloy is sent into from barrel outer end opening from the feed device of injection (mo(u)lding) machine, note
It penetrates bar and is continuously pushed to solid-state aluminium alloy in barrel forward；
B. it melts: the barrel being heated to 607 DEG C -650 DEG C by the heating device on injection (mo(u)lding) machine, until the material
Solid-state aluminium alloy in cylinder is completely melt；
C. be injection moulded: injection rod injects liquid aluminium alloy in barrel in mould cavity through nozzle, and liquid aluminium alloy exists
It is opened after being cooled to 80 DEG C in die cavity.
The shape of the solid-state aluminium alloy is one of rodlike or sheet.
Before the solid-state aluminium alloy is sent into barrel, to the advanced row sofening treatment of the solid-state aluminium alloy.
During the solid-state aluminium alloy melts in barrel, by the control of melting temperature difference in ± 1 DEG C.
The solid-state aluminium alloy is 6063 rodss and bars of aluminium alloy.
Aluminium alloy injection (mo(u)lding) machine and injection molding technique proposed by the present invention are by the way that solid-state aluminium alloy feeding to be injected into
In the barrel of type machine, after being then completely melt in barrel, mould is injected through nozzle under the push of injection rod high-voltage high-speed
Have die cavity in, be finally cooled and shaped in die cavity, preparation, conveying and the molding of such liquid aluminium alloy be injection (mo(u)lding) machine this
It is completed in one device, has prevented air completely and entered in injection (mo(u)lding) machine, improve final product quality.
Detailed description of the invention
Fig. 1 is the structure chart of injection (mo(u)lding) machine of the present invention；
Fig. 2 is process flow chart of the invention.
Specific embodiment
As shown in Figure 1, aluminium alloy injection (mo(u)lding) machine proposed by the present invention, comprising: clamping, ejecting mechanism, injector
Structure and electric control system.
Injection mechanism includes: for accommodating the barrel 1 of solid-state aluminium alloy and aluminium alloy solution, being used to prepare transmission aluminium alloy
The nozzle 2 of solution, for 1 internal solid aluminium alloy of barrel to be transformed into the heating device 3 of aluminium alloy solution, is used to close solid aluminum
Feed device 4 that gold is added in barrel, is used to provide injection rod 5 at the injection rod 5 for solid-state aluminium alloy to be pushed into barrel
The injection cylinder 6 of power.
Wherein, 1 both ends of barrel are equipped with opening, and nozzle 2 is fixed on the opening of 1 inner end of barrel, and feed device 4 is fixed on material
The top of 1 outer end of cylinder, injection rod 5 is movably arranged at 1 outer end opening of barrel, and the opening of the diameter of injection rod 5 and 1 outer end of barrel
Diametric clearance cooperation, heating device 3 and injection cylinder 6 are connect with electric control system.When injection moulding, by bar or sheet material
Raw material of aluminum alloy be sent in barrel 1 by feed device 4, using injection rod 5 by the raw material of aluminum alloy of 1 outer end of barrel
It is pushed into barrel 1, while the aluminium alloy solution high speed injection that 1 inner end of barrel is melted completely is into clamping.
Barrel 1 is that aluminium alloy solution prepares transmission device, it is necessary to completely to turn aluminium alloy from solid phase in seeking time
Become to require the liquid phase of temperature, and be not allow for air, has sufficient intensity and resistance to corrosion of aluminium alloy ability under injection force effect,
The aluminium alloy injection (mo(u)lding) machine of different size has different barrels 1.
As shown in Figure 1, clamping includes: the top clamping plate 7 set gradually, moving template 8, Bottom clamp plate 9 and open mold
The quadrangle of oil cylinder 10, top clamping plate 7, moving template 8 and Bottom clamp plate 9 passes through four Gen Gelin columns 11, plays traction by brother woods column 11
The effect of positioning.The toggling device 12 of scalable movement is connected between moving template 8 and Bottom clamp plate 9, folding mould oil cylinder 10 is solid
It is scheduled on Bottom clamp plate 9, and opens and closes the output shaft of mould oil cylinder 10 and toggling device 12 is sequentially connected, folding mould oil cylinder 10 and electrical
Control system connection.
When in use, solid plate is mounted on top clamping plate 7 for aluminium alloy injection (mo(u)lding) machine, and formpiston is mounted on moving template
On 8, the one side of solid plate is equipped with the former cooperated with formpiston, and the another side of solid plate is equipped with matches across top clamping plate and nozzle 2
The sprue bush of conjunction, sprue bush are connected to former.When injection molding, moving template 8 and solid plate fitting, formpiston are located in former, penetrate
Mouth 2 injects aluminium alloy solution in sprue bush, is entered between former and formpiston by sprue bush, fills entire die cavity 14.
As shown in Figure 1, toggling device 12 is hinged by at least two groups being symmetricly set between Bottom clamp plate 9 and moving template 8
Component and the positioning plate for connecting each hinge assembly are constituted, and hinge assembly includes the bent hand hinged with Bottom clamp plate 9 and moving template 8
Hinged connecting rod, the transition connecting rod being hinged between Qu Shouyu connecting rod.Positioning plate respectively with the transition connecting rod in each hinge assembly
Hingedly, the output shaft and positioning plate for opening and closing mould oil cylinder 10 are sequentially connected.After the completion of injection molding, folding mould oil cylinder 10 passes through drawing
Dynamic positioning plate makes hinge assembly fold retraction, and moving template 8 drives formpiston to retreat, and product also follows formpiston to retreat.In injection molding
Before beginning, folding mould oil cylinder 10 is unfolded hinge assembly, moving template 8 is pushed to be bonded with solid plate by pushing positioning plate.
Ejecting mechanism is set between Bottom clamp plate 9 and moving template 8, and ejecting mechanism includes: can be in Bottom clamp plate 9 and moving template
Push rod and release link that the push plate that moves back and forth between 8, one end are fixed in push plate can push push plate towards moving template 8
Ejection cylinder 13.The movable end of push rod stretches out moving template 8, and when being equipped with formpiston on moving template 8, push rod protrudes into formpiston and end face
It is flushed with formpiston.The movable end of release link protrudes into moving template 8, and the end face of release link movable end is flushed with moving template 8, releases oil
Cylinder 13 is connect with electric control system.After the completion of injection molding, ejection cylinder 13 pushes push plate to move to moving template 8, push rod
Shaped article is ejected from formpiston and is fallen.
Electric control system controls the automatic movement of clamping, ejecting mechanism and injection mechanism, is controlled using PLC program
Technology realizes that each operating condition that product is made to raw material carries out accurate effectively control, to reach automatic management.
As depicted in figs. 1 and 2, the aluminium alloy injection molding technique that the present invention also proposes, comprising the following steps:
A. feeding: at room temperature, solid-state aluminium alloy 13 is sent into 1 outer end opening of barrel from the feed device 4 of injection (mo(u)lding) machine
Solid-state aluminium alloy is continuously pushed to forward in barrel 1 by place, injection rod 5；
B. it melts: the barrel 1 being heated to 607 DEG C -650 DEG C by the heating device 3 on injection (mo(u)lding) machine, until should
Solid-state aluminium alloy 13 in barrel 1 is completely melt；
C. be injection moulded: injection rod 5 injects liquid aluminium alloy in barrel 1 in mould cavity 14 through nozzle 2, and liquid aluminium closes
Gold is opened after being cooled to 80 DEG C in die cavity 14.
The shape of solid-state aluminium alloy of the invention is rodlike or sheet, so that solid-state aluminium alloy can melt completely in barrel
Change, the quality of solid-state aluminium alloy is more than or equal to final product quality.When being heated to barrel, temperature the consolidating according to feeding of heating
Depending on state aluminium alloy specification.In injection process, injection device injection force is greater than aluminium alloy yield deformation resistance, injection (mo(u)lding) machine
Mold clamping force is greater than liquid aluminium alloy swollen mould power in grinding tool, and such liquid aluminium alloy can be completely into die cavity, reaching system
Cause quality required for product.
In addition, before solid-state aluminium alloy is sent into barrel, to the advanced row sofening treatment of solid-state aluminium alloy, the temperature of sofening treatment
Lower than the melting temperature of the solid-state aluminium alloy, temperature is depending on solid aluminum alloy specifications.
During solid-state aluminium alloy melts in barrel, melting temperature difference is controlled in ± 1 DEG C, so that solid-state aluminium alloy
It can be completely melt.
Below with the detailed description of 6063 aluminium alloy pen container moulding process:
Now to make 60 Ф of finished product outer diameter, barrel thickness 5mm, cylinder base thickness 10mm, the cylinder of a length of 80mm.
0.2395 kilogram of the quality of finished product pen container is chosen solid aluminum and is closed according to needs such as the vent designs of finished form
Situations such as quality of gold is 0.25 kilogram, assesses its aluminium alloy injection (mo(u)lding) machine and injection pressure, selection diameter are Ф 60, length
For 6063 rodss and bars of aluminium alloy of 33mm.The rods and bars of aluminium alloy first 425 degree at a temperature of into cross sofening treatment, then in room temperature
Under, solid-state aluminium alloy 13 is sent into from 1 outer end opening of barrel from the feed device 4 of injection (mo(u)lding) machine, injection rod 5 closes solid aluminum
Gold 13 is pushed to forward in barrel 1；Heating device 3 heats barrel 1, and temperature is heated to 615 DEG C, until the barrel 1
In solid-state aluminium alloy be completely melt, next solid-state aluminium alloy is sent at the outer end opening of barrel 1 in the process；Note
Bar 5 is penetrated with injection rate as 0.693m3/ s, injection speed 300mm/s, injection force is 150KN and injection pressure is 100kgf/
cm3It pushes next solid-state aluminium alloy and injects liquid aluminium alloy in mould cavity 14 through nozzle 2, during this process clamping
Mold clamping force control liquid aluminium alloy first pressure maintaining 100ms in die cavity after the completion of 2000KH, injection, then gradually cool down 180ms,
Until mould-cavity temperature drops to 80 DEG C of die sinkings, product is completed.
Aluminium alloy injection molding technique of the invention is by different aluminium alloy specifications and different finished product structures and aluminium alloy note
Mould structure difference is penetrated, match different injection techniques.
Above specific embodiment is only to the design illustrated the present invention, and those skilled in the art are in this hair
Various deformation and variation can be made under bright design, these deformations and variation are included within protection scope of the present invention.
Claims (4)
1. a kind of aluminium alloy injection molding technique, which comprises the following steps:
A. feeding: at room temperature, solid-state aluminium alloy is sent into from barrel outer end opening from the feed device of injection (mo(u)lding) machine, injection rod
Solid-state aluminium alloy is continuously pushed in barrel forward；
B. it melts: the barrel being heated to 607 DEG C -650 DEG C by the heating device on injection (mo(u)lding) machine, until in the barrel
Solid-state aluminium alloy be completely melt that next solid-state aluminium alloy is sent to barrel during solid-state aluminium alloy is completely melt
Outer end opening at；
C. it is injection moulded: next solid-state aluminium alloy of barrel outer end being pushed into barrel using injection rod, while will be in barrel
The liquid aluminium alloy melted completely is held to inject in mould cavity through nozzle, liquid aluminium alloy is opened after being cooled to 80 DEG C in die cavity
Mould；
Before the solid-state aluminium alloy is sent into barrel, to the advanced row sofening treatment of the solid-state aluminium alloy；
In step c, injection rod is 0.693m with injection rate3/ s, injection speed 300mm/s, injection force are 150KN and note
Injection pressure is 100kgf/cm3Next solid-state aluminium alloy is pushed to penetrate the liquid aluminium alloy that barrel inner end melts completely through nozzle
Enter in mould cavity.
2. aluminium alloy injection molding technique according to claim 1, which is characterized in that the shape of the solid-state aluminium alloy is
One of rodlike or sheet.
3. aluminium alloy injection molding technique according to claim 1, which is characterized in that the solid-state aluminium alloy is in barrel
During fusing, by the control of melting temperature difference in ± 1 DEG C.
4. aluminium alloy injection molding technique according to claim 1, which is characterized in that the solid-state aluminium alloy is 6063 aluminium
Alloy bar material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831833.7A CN105499530B (en) | 2015-11-25 | 2015-11-25 | A kind of aluminium alloy injection (mo(u)lding) machine and injection molding technique |
| PCT/CN2016/084053 WO2017088424A1 (en) | 2015-11-25 | 2016-05-31 | Aluminium alloy injection moulding machine and injection moulding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831833.7A CN105499530B (en) | 2015-11-25 | 2015-11-25 | A kind of aluminium alloy injection (mo(u)lding) machine and injection molding technique |
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| CN105499530A CN105499530A (en) | 2016-04-20 |
| CN105499530B true CN105499530B (en) | 2019-03-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105499530B (en) * | 2015-11-25 | 2019-03-26 | 深圳市华腾精密机械有限公司 | A kind of aluminium alloy injection (mo(u)lding) machine and injection molding technique |
| CN105290363A (en) * | 2015-11-25 | 2016-02-03 | 深圳市华腾精密机械有限公司 | Aluminum alloy injection moulding machine |
| CN107790729B (en) * | 2017-11-23 | 2021-08-03 | 北京科技大学 | Method for preparing high-performance aluminum alloy by using powder injection molding technology |
| CN107755662A (en) * | 2017-11-30 | 2018-03-06 | 佛山市高明建强科技有限公司 | A kind of horizontal plunger die casting machine |
| CN113927839B (en) * | 2021-09-30 | 2023-08-15 | 重庆理工大学 | Barrel part injection mold with spiral groove |
| CN114515832A (en) * | 2022-02-09 | 2022-05-20 | 杭州科技职业技术学院 | Integrated equipment for metal powder injection molding production |
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Also Published As
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| CN105499530A (en) | 2016-04-20 |
| WO2017088424A1 (en) | 2017-06-01 |
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