CN105268944A - Aluminum alloy injection mold - Google Patents
Aluminum alloy injection mold Download PDFInfo
- Publication number
- CN105268944A CN105268944A CN201510831834.1A CN201510831834A CN105268944A CN 105268944 A CN105268944 A CN 105268944A CN 201510831834 A CN201510831834 A CN 201510831834A CN 105268944 A CN105268944 A CN 105268944A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- die
- injection molding
- moving platen
- punch
- 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
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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
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an aluminum alloy injection mold which comprises a fixed mold body and a moving mold body. A push-out unit, a guide unit, a reset rod and a forming unit are arranged between the fixed mold body and the moving mold body, wherein the push-out unit is used for ejecting out a workpiece, the guide unit is used for ensuring accurate mold assembly, the reset rod is used for enabling the push-out unit to be reset, and the forming unit is used for consolidation forming of an aluminum alloy solution, and provided with a temperature adjusting system. The temperature of the mold can be prevented from being too high or too low through the temperature adjusting system of the aluminum alloy injection mold, and therefore the liquidity of the aluminum alloy solution is improved, and the problems of common pores, hot cracks, short run and the like of an aluminum alloy workpiece are solved.
Description
Technical field
The present invention relates to mould applications, particularly relate to a kind of aluminium alloy injection molding.
Background technology
At present, the manufacture method of domestic and international alloy product is mainly divided into forging and casting two large classes.For the wrought aluminium alloy that Forging Technology is produced, because its Forge Heating temperature is very close to the eutectic melting temperature of aluminium alloy, easily burning occurs, in addition, because the moulding of aluminium alloy and mobility are poor, wrought aluminium alloy is easy to crack; For the Birmasil that casting technique is produced, because mold temperature is difficult to control, the preparation of aluminium alloy solution is transmitted not in same environment, easy generation bubble, therefore cause shaping after the quality stability of Al alloy parts not good enough, often face the problems such as pore, cold shut and misrun.
Summary of the invention
The present invention, in order to solve the above problems, provides a kind of aluminium alloy injection molding.
The aluminium alloy injection molding that the present invention proposes, comprising: fixed half and moving half, described cover half is made up of top clamping plate and die fixed thereon; Described dynamic model comprises moving platen and punch fixed thereon, and described die and punch form injection cavity; Successively by guide plate, cushion block and Bottom clamp plate that screw rod is connected with moving platen; Be arranged on push rod on Bottom clamp plate and release link by push pedal and fixed head, described push rod runs through guide plate and punch successively, and described release link runs through guide plate and moving platen successively; The guide pillar through moving platen and die is provided with between described guide plate and top clamping plate; Described top clamping plate is provided with and the cast gate injected cavity and be communicated with, and described die is provided with humidity control system.
Humidity control system is made up of the cooling water channel be arranged in described die and Resistant heating device.
Aluminium alloy injection molding is also provided with and the exhaust passage of injecting cavity and being communicated with.
Punch is fixed by the groove fit of flange and moving platen.
Top clamping plate cast gate is provided with detachable sprue bush.
Beneficial effect of the present invention is: aluminium alloy injection molding raw material of aluminum alloy (bar sheet) is prepared into liquid phase from solid phase at same closed environment by aluminium alloy injection (mo(u)lding) machine and is injected in a kind of mould shaping mould cavity, present invention incorporates the feature of plastic injection mould and metal die-casting mold, the process of injection molding of aluminium alloy injection molding is airtight, gas can not be infiltrated, the most important thing is that the humidity control system of aluminium alloy Injection Mould Design of the present invention can avoid mold temperature too high or too low, improve the mobility of aluminium alloy solution, solve the pore of long-standing problem aluminium alloy industry, the problem such as fire check and misrun.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, the aluminium alloy injection molding that the present invention proposes comprises: fixed half and moving half, and described cover half is made up of top clamping plate 1 and die 2 fixed thereon; Described dynamic model comprises moving platen 3 and punch 4 fixed thereon, and described die and punch form injection cavity; Pass through guide plate 6, cushion block 7 and Bottom clamp plate 8 that screw rod 5 is connected with moving platen 3 successively; Be arranged on push rod 11 on Bottom clamp plate and release link 12 by push pedal 9 and fixed head 10, described push rod 11 runs through guide plate 6 and punch 4 successively, and described release link 12 runs through guide plate 6 and moving platen 3 successively; The guide pillar 13 through moving platen and die is provided with between described guide plate 6 and top clamping plate 1; Described top clamping plate 1 is provided with and the cast gate 14 injected cavity and be communicated with, and described die is provided with humidity control system.
Humidity control system comprises: be provided with the heating system of resistance wire 15 and offer the cooling system of cooling-water duct 16; Aluminium alloy injection molding is also provided with and the exhaust passage of injecting cavity and being communicated with; Cast gate 14 is provided with detachable sprue bush.
Aluminium alloy injection molding is made up of dynamic model and cover half two parts, and wherein cover half part is arranged on the fixed form of aluminium alloy injection (mo(u)lding) machine, and dynamic model part is arranged on aluminium alloy injection (mo(u)lding) machine moving die plate.In process of injection molding, dynamic model part is moved together along with the clamping in aluminium alloy injection moulding; injection running gate system die cavity is closed into by moving platen 3, punch 4 and die 2; aluminium alloy solution enters die cavity from aluminium alloy injection (mo(u)lding) machine nozzle through cast gate 14; after cooling die sinking; dynamic model part is separated with cover half part, and push pedal 9 promotes push rod and ejected from die cavity by aluminum component.As shown in Figure 1, different according to each several part role on mould, injection molding can be divided into following components to aluminium alloy injection molding general structure:
(1) parts are supported:
Be used for fixing or support forming parts and aforementioned each several part mechanism parts are installed.Support parts and fit together the basic framework that can form injection molding, the top clamping plate 1 as shown in the figure, Bottom clamp plate 8 and cushion block 7.
(2) running gate system:
The passage that molten aluminium alloy enters mold cavity institute flow path from injection machine injection nozzle claims running gate system.Running gate system is by sprue, and runner, cast gate and cold slug well four part form.As shown in Figure 1, the cast gate 14 on top clamping plate 1 forms running gate system passage of the present invention with die 2.
(3) forming unit:
Moulding section is made up of moving platen 3, punch 4 and die 2.Punch 4 forms the inner surface configuration of alloy product.Die 2 forms the outer surface form of alloy product.
(4) pilot unit:
Correct matched moulds for guaranteeing to move, between cover half, and alloy product dimensional accuracy.Pilot unit is provided with between dynamic, cover half.Guide pillar 13 one end of pilot unit is arranged on moving platen 3, and remainder can move along die locating hole 17, thus is folding mould guiding; Pilot unit also comprises guide plate 6, and guide plate 6 can ensure ejecting mechanism stable movement.
(5) ejector unit:
The device released from mould by alloy product after ejector unit refers to mould somatotype, as shown in Figure 1, ejector unit comprises: the ejector pin retaining plate 10 on the right side of push pedal 9, push pedal and the push rod 11 be fixed on ejector pin retaining plate.
(6) humidity control system:
For meeting the requirement of injection technique to mold temperature, ensure to control the mobility that aluminium alloy solution keeps best in running gate system to mold temperature.So mould is provided with humidity control system.Humidity control system comprises: be provided with the heating system of resistive heater 15 and offer the cooling system of cooling-water duct 16.
(7) gas extraction system:
At aluminium alloy process of injection molding in order to be discharged outside die cavity by the gas in die cavity, and design gas extraction system.Gas extraction system of the present invention is on die joint, offer several air discharge ducts.
Existing composition graphs 1 is described further specific works process of the present invention.During matched moulds, under the guiding and positioning action of guide pillar 13 and locating hole 17, the Clamping System of injector drives dynamic model part to move forward, and mould is closed, and provides enough clamp force locking dies.Under the effect of hydraulic injection cylinder, aluminium alloy solution enters die cavity by nozzle of injector through die casting system, is full of die cavity and die sinking after pressurize, feeding and cooling and shaping until aluminium alloy solution; During die sinking, injector Clamping System drives moving platen 3 and punch 4 to move backward, and mould separates from the die joint of punch 4 and die 2, and Al-alloy parts wraps on punch 4 and moves with after dynamic model, and opening stroke terminates; Ejector unit is started working, and Al-alloy parts is released from punch 4 by push rod 11, so far completes an aluminium alloy process of injection molding.During matched moulds, die 2 promotes release link 12 makes ejecting mechanism reset, and mould prepares to inject next time.The humidity control system that is made up of resistance wire 15 and cooling water channel 16 due to Design of Dies, make mold temperature controlled, aluminium alloy solution can keep good mobility, avoid the defect that Al-alloy parts is common, in addition, the running gate system runner between top clamping plate 1 from die 2 can adjust accordingly according to alloy product mould temperature curve is different, such as the aluminium alloy that the trade mark is less, its fine aluminium content is higher, and mobility is better, and usual runner slope design is larger; And for the larger aluminium alloy of the trade mark, its fine aluminium content is lower, poor fluidity, and runner designs comparatively mild usually.
Above specific embodiment is only in order to illustrate design of the present invention, and those of ordinary skill in the art can make various deformation and change under design of the present invention, and these distortion and change include within protection scope of the present invention.
Claims (5)
1. an aluminium alloy injection molding, comprising: fixed half and moving half, and described cover half is made up of top clamping plate and die fixed thereon; Described dynamic model comprises moving platen and punch fixed thereon, and described die and punch form injection cavity; Successively by guide plate, cushion block and Bottom clamp plate that screw rod is connected with moving platen; Be arranged on push rod on Bottom clamp plate and release link by push pedal and fixed head, described push rod runs through guide plate and punch successively, and described release link runs through guide plate and moving platen successively; The guide pillar through moving platen and die is provided with between described guide plate and top clamping plate; Described top clamping plate is provided with and the cast gate injected cavity and be communicated with, and it is characterized in that, described die is provided with humidity control system.
2. aluminium alloy injection molding as claimed in claim 1, wherein humidity control system is made up of the cooling water channel be arranged in described die and Resistant heating device.
3. aluminium alloy injection molding as claimed in claim 1, is also provided with and the exhaust passage of injecting cavity and being communicated with.
4. aluminium alloy injection molding as claimed in claim 1, wherein said punch is fixed by the groove fit of flange and moving platen.
5. aluminium alloy injection molding as claimed in claim 1, wherein said top clamping plate cast gate is provided with detachable sprue bush.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831834.1A CN105268944A (en) | 2015-11-25 | 2015-11-25 | Aluminum alloy injection mold |
| PCT/CN2016/084046 WO2017088422A1 (en) | 2015-11-25 | 2016-05-31 | Aluminium alloy injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831834.1A CN105268944A (en) | 2015-11-25 | 2015-11-25 | Aluminum alloy injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105268944A true CN105268944A (en) | 2016-01-27 |
Family
ID=55139275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510831834.1A Pending CN105268944A (en) | 2015-11-25 | 2015-11-25 | Aluminum alloy injection mold |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105268944A (en) |
| WO (1) | WO2017088422A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363133A (en) * | 2016-11-08 | 2017-02-01 | 中北大学 | Liquid forming device for light alloy |
| WO2017088422A1 (en) * | 2015-11-25 | 2017-06-01 | 深圳市华腾精密机械有限公司 | Aluminium alloy injection mould |
| CN106903288A (en) * | 2017-03-15 | 2017-06-30 | 守塑科技（滁州）有限公司 | A kind of phone housing extrusion casint device |
| CN110076314A (en) * | 2019-05-17 | 2019-08-02 | 宁波图冠精密模具有限公司 | A kind of engine cylinder body die casting being quickly cooled down |
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| CN107415166B (en) * | 2017-09-05 | 2023-09-19 | 温州瑞都特殊钢有限公司 | Die carrier convenient to change mould benevolence |
| CN110216241B (en) * | 2019-06-04 | 2024-03-19 | 雒应学 | High-efficient golden die casting mould |
| CN113600782B (en) * | 2021-07-14 | 2023-12-15 | 重庆美利信科技股份有限公司 | Deep cavity vacuum slag collection and exhaust system of die |
| CN113399649B (en) * | 2021-08-20 | 2022-12-23 | 宁波喆瑞模具有限公司 | Aluminum die-casting die for processing insert |
| CN114042892A (en) * | 2021-11-16 | 2022-02-15 | 武义嘉新金属制品有限公司 | Die casting die of pot under coffee pot |
| CN114407288A (en) * | 2022-01-11 | 2022-04-29 | 邢刚 | Multi-station temperature control injection molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106363133A (en) * | 2016-11-08 | 2017-02-01 | 中北大学 | Liquid forming device for light alloy |
| CN106363133B (en) * | 2016-11-08 | 2018-06-19 | 中北大学 | A kind of liquid condition shaping device of light-alloy |
| CN106903288A (en) * | 2017-03-15 | 2017-06-30 | 守塑科技（滁州）有限公司 | A kind of phone housing extrusion casint device |
| CN110076314A (en) * | 2019-05-17 | 2019-08-02 | 宁波图冠精密模具有限公司 | A kind of engine cylinder body die casting being quickly cooled down |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017088422A1 (en) | 2017-06-01 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |