CN208787482U - A kind of evacuated die-casting process vacuum gas discharge valve - Google Patents
A kind of evacuated die-casting process vacuum gas discharge valve Download PDFInfo
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- CN208787482U CN208787482U CN201821432742.1U CN201821432742U CN208787482U CN 208787482 U CN208787482 U CN 208787482U CN 201821432742 U CN201821432742 U CN 201821432742U CN 208787482 U CN208787482 U CN 208787482U
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Abstract
The utility model discloses a kind of evacuated die-casting process vacuum gas discharge valves of die casting machine technical field, including die ontology and vacuum exhaust chamber, and the top of die ontology is arranged in vacuum exhaust chamber, cavity body of mould is offered in the middle part of the outer wall of the die ontology, vacuum gas discharge valve is inlaid in the middle part of the outer wall of the vacuum exhaust chamber, and vacuum gas discharge valve is connected to cavity body of mould, the outer wall top bilateral symmetry of the vacuum exhaust chamber offers vaccum exhaust outlet, and vaccum exhaust outlet is connect with vacuum gas discharge valve, the utility model increases exhaust valve surface area, reduce channel cross-sectional area, improve vacuum evacuation efficiency, before product filling, cmpletely the air in die cavity is discharged in the extremely short time, improve product yield, vacuum gas discharge valve ripple glaze can be adjusted according to mold size, product is easy demoulding, improve production efficiency, it reduces and produces Product fraction defective and cost of labor.
Description
Technical field
The utility model relates to die casting machine technical field, specially a kind of evacuated die-casting process vacuum gas discharge valve.
Background technique
Die casting machine is exactly the machine for compression casting, including hot pressing room and two kinds of cold pressing chamber, after be all divided into again it is straight and
Horizontal two types, die casting machine are cooled and shaped molten metal bath injection into mold under pressure, can obtain after die sinking
To solid metal casting, be used primarily for die casting font, with science and technology and industrial progress, especially with automobile,
The industrial expansions such as motorcycle and household electrical appliance, die-casting technique have obtained extremely rapid development.
During die casting machine injection, the process of injection is extremely short, and the product that produce high-quality must be extremely short
Mould chamber air is completely exhausted out in the time of (1-2S), will form stomata, finished product if beyond time rating interiors of products
Fraction defective also will increase, and only simple when traditional ordinary vent valve designs to consider to increase surface sections product, strength is slowed down, and brake prevents
The direct pipeline of aluminium alloy gas, the increase of sectional area also indirectly increase and vacuumize power-assisted, to be difficult in the extremely short time by mould
Chamber air discharge is difficult.And some dirts can be remained when product stripping, time length be easy to cause blocking, is based on this, this reality
With a kind of evacuated die-casting process vacuum gas discharge valve of new design, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of evacuated die-casting process vacuum gas discharge valves, to solve in above-mentioned background technique
Only simple when traditional ordinary vent valve design of proposition to consider to increase surface sections product, strength is slowed down, and brake prevents aluminium alloy gas
Direct pipeline, the increase of sectional area, also indirectly increases and vacuumizes power-assisted, to be difficult in the extremely short time by mould chamber air
Discharge is difficult.And some dirts can be remained when product stripping, time long the problem of be easy to causeing blocking.
To achieve the above object, the utility model provides the following technical solutions: a kind of evacuated die-casting process vacuum gas discharge valve, packet
Die ontology and vacuum exhaust chamber are included, and vacuum exhaust chamber is arranged in the top of die ontology, in the outer wall of the die ontology
Portion offers cavity body of mould, is inlaid with vacuum gas discharge valve, and vacuum gas discharge valve and mold in the middle part of the outer wall of the vacuum exhaust chamber
The outer wall top bilateral symmetry of cavity connection, the vacuum exhaust chamber offers vaccum exhaust outlet, and vaccum exhaust outlet and vacuum
Exhaust valve connection, the top or so of the vacuum exhaust chamber is symmetrically installed with vacuum pipe, and the bottom end of vacuum pipe and vacuum
The outer end of exhaust outlet, the vacuum pipe is connected to vacuum pump.
It preferably, is an entirety between the die ontology and vacuum exhaust chamber, and die ontology and vacuum exhaust chamber
Between be integrated welding fabrication.
Preferably, the inner cavity of the vacuum exhaust chamber offers the exhaust passage matched with vacuum gas discharge valve, and is vented
It is interference fit between channel and vacuum gas discharge valve.
Preferably, the vacuum gas discharge valve is increased the contact area of vacuum gas discharge valve, is subtracted by triangle cone-plate spicing forming type
The sectional area of few exhaust passage.
Preferably, the junction of the vacuum pipe and vaccum exhaust outlet and vacuum pump is mounted on rubber gasket.
Compared with prior art, the utility model has the beneficial effects that the utility model increases exhaust valve surface area, reduce
Channel cross-sectional area improves vacuum evacuation efficiency and cmpletely arranges the air in die cavity in the extremely short time before product filling
Out, product yield is improved, vacuum gas discharge valve ripple glaze can be adjusted according to mold size, and product is easy demoulding, be improved
Production efficiency reduces product defect rate and cost of labor.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is traditional ordinary vent valve structural schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1- die ontology, 2- cavity body of mould, 3- vacuum exhaust chamber, 4- vacuum gas discharge valve, 5- vaccum exhaust outlet, 6- vacuum tube
Road.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of evacuated die-casting process vacuum gas discharge valve, including
Die ontology 1 and vacuum exhaust chamber 3, and the top of die ontology 1, the outer wall middle part of die ontology 1 is arranged in vacuum exhaust chamber 3
Cavity body of mould 2 is offered, is inlaid with vacuum gas discharge valve 4, and vacuum gas discharge valve 4 and mold cavity in the middle part of the outer wall of vacuum exhaust chamber 3
Body 2 is connected to, and the outer wall top bilateral symmetry of vacuum exhaust chamber 3 offers vaccum exhaust outlet 5, and vaccum exhaust outlet 5 and vacuum are arranged
Air valve 4 connects, and the top or so of vacuum exhaust chamber 3 is symmetrically installed with vacuum pipe 6, and the bottom end of vacuum pipe 6 and vacuum are arranged
Port 5 is connected to, and the outer end of vacuum pipe 6 is connected to vacuum pump.
Wherein, be an entirety between die ontology 1 and vacuum exhaust chamber 3, and die ontology 1 and vacuum exhaust chamber 3 it
Between be integrated welding fabrication, guarantee the structural strength between die ontology 1 and vacuum exhaust chamber 3, the inner cavity of vacuum exhaust chamber 3
The exhaust passage matched with vacuum gas discharge valve 4 is offered, and is interference fit between exhaust passage and vacuum gas discharge valve 4, is protected
Demonstrate,prove stability and leakproofness of the vacuum gas discharge valve 4 in vacuum exhaust chamber 3, vacuum gas discharge valve 4 by triangle cone-plate spicing forming type,
The contact area for increasing vacuum gas discharge valve 4 reduces the sectional area of exhaust passage, and vacuum gas discharge valve 4 increases wave-shape board length, increases
Gap between wave increases vaccum exhaust outlet 5, and gas is easier to be sucked by vacuum equipment, vacuum pipe 6 and vaccum exhaust outlet
5 and the junction of vacuum pump be mounted on rubber gasket, improve the leakproofness of vacuum pipe 6, reduce the leakage of gas.
One concrete application of the present embodiment are as follows: when die casting machine is opened, vacuum gas discharge valve 4 is opened, by mold in 1-2S
Gas in cavity 2 is completely exhausted out, and waits aluminium alloy to rapidly enter in cavity body of mould 2, aluminium alloy will rapidly enter vacuum at this time
Exhaust valve 4, due to 4 surface area of vacuum gas discharge valve increases, aluminium alloy is flowed at 4 wave-shape board of vacuum gas discharge valve, aluminium alloy temperature
Degree decline, the design of self-cooled structure, aluminium alloy are quickly cooled down, and molding, aluminium alloy fluid stops flowing, and end gas is arranged by vacuum
Port 5 is discharged, and drains into vacuum pump end by the sucking of vacuum pipe 6, since vacuum gas discharge valve 4 designs self-cooled heat dissipation effect, more holds
The rapid cooling efficiency for easily improving aluminium alloy, reduces the problems such as flying material and sizing.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of evacuated die-casting process vacuum gas discharge valve, including die ontology (1) and vacuum exhaust chamber (3), and vacuum exhaust chamber (3)
Top in die ontology (1) is set, it is characterised in that: offers cavity body of mould in the middle part of the outer wall of the die ontology (1)
(2), it is inlaid with vacuum gas discharge valve (4) in the middle part of the outer wall of the vacuum exhaust chamber (3), and vacuum gas discharge valve (4) and cavity body of mould
(2) it is connected to, the outer wall top bilateral symmetry of the vacuum exhaust chamber (3) offers vaccum exhaust outlet (5), and vaccum exhaust outlet
(5) it is connect with vacuum gas discharge valve (4), the top or so of the vacuum exhaust chamber (3) is symmetrically installed with vacuum pipe (6), and true
The bottom end of vacant duct (6) is connected to vaccum exhaust outlet (5), and the outer end of the vacuum pipe (6) is connected to vacuum pump.
2. a kind of evacuated die-casting process vacuum gas discharge valve according to claim 1, it is characterised in that: the die ontology (1)
It is an entirety between vacuum exhaust chamber (3), and is integrated be welded between die ontology (1) and vacuum exhaust chamber (3)
Type.
3. a kind of evacuated die-casting process vacuum gas discharge valve according to claim 1, it is characterised in that: the vacuum exhaust chamber
(3) inner cavity offers the exhaust passage matched with vacuum gas discharge valve (4), and between exhaust passage and vacuum gas discharge valve (4)
For interference fit.
4. a kind of evacuated die-casting process vacuum gas discharge valve according to claim 3, it is characterised in that: the vacuum gas discharge valve
(4) by triangle cone-plate spicing forming type, increase the contact area of vacuum gas discharge valve (4), reduce the sectional area of exhaust passage.
5. a kind of evacuated die-casting process vacuum gas discharge valve according to claim 1, it is characterised in that: the vacuum pipe (6)
Rubber gasket is mounted on the junction of vaccum exhaust outlet (5) and vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821432742.1U CN208787482U (en) | 2018-09-03 | 2018-09-03 | A kind of evacuated die-casting process vacuum gas discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821432742.1U CN208787482U (en) | 2018-09-03 | 2018-09-03 | A kind of evacuated die-casting process vacuum gas discharge valve |
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| Publication Number | Publication Date |
|---|---|
| CN208787482U true CN208787482U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821432742.1U Active CN208787482U (en) | 2018-09-03 | 2018-09-03 | A kind of evacuated die-casting process vacuum gas discharge valve |
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| CN (1) | CN208787482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355269A (en) * | 2020-11-03 | 2021-02-12 | 雒贵平 | Die-casting forming equipment convenient for exhausting and used for machining thin-walled parts |
-
2018
- 2018-09-03 CN CN201821432742.1U patent/CN208787482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355269A (en) * | 2020-11-03 | 2021-02-12 | 雒贵平 | Die-casting forming equipment convenient for exhausting and used for machining thin-walled parts |
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