CN205183732U - Aluminum alloy injection mold - Google Patents

Aluminum alloy injection mold Download PDF

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Publication number
CN205183732U
CN205183732U CN201520951873.0U CN201520951873U CN205183732U CN 205183732 U CN205183732 U CN 205183732U CN 201520951873 U CN201520951873 U CN 201520951873U CN 205183732 U CN205183732 U CN 205183732U
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China
Prior art keywords
aluminium alloy
die
injection molding
alloy injection
moving platen
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Application number
CN201520951873.0U
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Chinese (zh)
Inventor
鲜小华
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Fortune Precision Machinery (shenzhen) Co Ltd
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Fortune Precision Machinery (shenzhen) Co Ltd
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Priority to CN201520951873.0U priority Critical patent/CN205183732U/en
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Abstract

The utility model discloses an aluminum alloy injection mold, include: cover half and movable mould, be equipped with the release unit that is used for ejecting work piece, the guide unit who ensures correct compound die between cover half and the movable mould, make that release the release link that the unit resets and be used for aluminum alloy solution to solidify fashioned forming unit and the forming unit is equipped with temperature control system. The utility model discloses an aluminum alloy injection mold's temperature control system can avoid mold temperature too high or low excessively to improve the mobility of aluminum alloy solution, solved the common gas pocket of aluminum alloy work piece, thermal fragment line and misrun scheduling problem.

Description

A kind of aluminium alloy injection molding
Technical field
The utility model relates to mould applications, particularly relates 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.
Utility model content
The utility model, in order to solve the above problems, provides a kind of aluminium alloy injection molding.
The aluminium alloy injection molding that the utility model proposes, 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 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.
The beneficial effects of the utility model are: 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, the utility model combines 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 utility model 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 the utility model one embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the aluminium alloy injection molding that the utility model 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 utility model 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 utility model is on die joint, offer several air discharge ducts.
Existing composition graphs 1 is described further specific works process of the present utility model.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 utility model, and those of ordinary skill in the art can make various deformation and change under design of the present utility model, and these distortion and change include within protection domain of the present utility model.

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, it is characterized in that, described 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 characterized in that, described aluminium alloy injection molding 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, it is characterized in that, described punch is fixed by the groove fit of flange and moving platen.
5. aluminium alloy injection molding as claimed in claim 1, it is characterized in that, described top clamping plate cast gate is provided with detachable sprue bush.
CN201520951873.0U 2015-11-25 2015-11-25 Aluminum alloy injection mold Active CN205183732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520951873.0U CN205183732U (en) 2015-11-25 2015-11-25 Aluminum alloy injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520951873.0U CN205183732U (en) 2015-11-25 2015-11-25 Aluminum alloy injection mold

Publications (1)

Publication Number Publication Date
CN205183732U true CN205183732U (en) 2016-04-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520951873.0U Active CN205183732U (en) 2015-11-25 2015-11-25 Aluminum alloy injection mold

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105268944A (en) * 2015-11-25 2016-01-27 深圳市华腾精密机械有限公司 Aluminum alloy injection mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105268944A (en) * 2015-11-25 2016-01-27 深圳市华腾精密机械有限公司 Aluminum alloy injection mold
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

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