CN103433457A - Oxygenating die-casting die device - Google Patents
Oxygenating die-casting die device Download PDFInfo
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- CN103433457A CN103433457A CN2013103294642A CN201310329464A CN103433457A CN 103433457 A CN103433457 A CN 103433457A CN 2013103294642 A CN2013103294642 A CN 2013103294642A CN 201310329464 A CN201310329464 A CN 201310329464A CN 103433457 A CN103433457 A CN 103433457A
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Abstract
The invention discloses an oxygenating die-casting die device. The oxygenating die-casting die device comprises a die body, a pressure chamber, a puncher pin, an air pipe, an air inlet pipe, an oxygen source, a first valve, an air exhausting pipe and a second valve, wherein the die body is internally provided with a cavity; the first end of the pressure chamber is communicated with the cavity and a material pouring opening is formed in the peripheral wall of the pressure chamber; the puncher pin is movably arranged in the second end of the pressure chamber and is used for opening and closing the material pouring opening; the first end of the air pipe is communicated with the cavity; the first end of the air inlet pipe is communicated with the second end of the air pipe; the oxygen source is communicated with the second end of the air inlet valve; the first valve is arranged on the air inlet pipe; the first end of the air exhausting pipe is communicated with the second end of the air pipe and the second end of the air exhausting pipe is communicated with the outside world; and the second valve is arranged on the air exhausting pipe. The oxygenating die-casting die device provided by the embodiment of the invention is simple in structure and high in production efficiency.
Description
Technical field
The present invention relates to pore-free die casting die device technical field.
Background technology
Pore-free die casting is before high-pressure casting, in pressing chamber and die cavity, is filled with in advance oxygen, replaces air and other gas in die cavity.When molten metal filling die cavity, part of oxygen is discharged by exhaust duct, the oxygen that another part is not discharged in time produces the metal oxide microparticle with filling at a high speed the mobile molten metal of type and generation chemical reaction, and be scattered in foundry goods inside, thereby reduce the air content of foundry goods inside, can make foundry goods heat-treat and welding etc.Simultaneously, the fine oxide particle that disperse is distributed in foundry goods inside can improve casting strength and anti-wear performance.
With traditional casting die, compare, the advantage such as the pore-free die casting part has that yield rate is high, dense structure, good hot strength and fatigue performance, can meet the requirement of automotive safety part fully.The pore-free die casting technology abroad the automobile Typical Components as be applied on wheel hub, piston etc.
At present, usually adopt and press the chamber oxygen charging method to carry out oxygenation.Need need movable punching head before watering material pressing the chamber upside to open an oxygenation mouth while adopting the method, make the pouring slot sealing, oxygenation completes and retreats the head that backwashes, and is watered material, and in injection process, gas is discharged by the air discharge duct or the steam vent that are opened in die cavity top.The method need be transformed pressing chamber and die casting machine control system, can reduce the production efficiency of high-pressure casting simultaneously, has limited the extensive use of pore-free die casting technology.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of simple in structure, pore-free die casting die device that production efficiency is high.
Pore-free die casting die device according to the embodiment of the present invention comprises: die ontology has die cavity in described die ontology; Press chamber, the first end of described pressure chamber to be communicated with described die cavity and the periphery wall of described pressure chamber on there is pouring slot; Drift, described drift is located in the second end of described pressure chamber movably to open and to seal described pouring slot; Tracheae, the first end of described tracheae is communicated with described die cavity; Air inlet pipe, the first end of described air inlet pipe is communicated with the second end of described tracheae; Source of oxygen, described source of oxygen is communicated with the second end of described air inlet pipe; The first valve, described the first valve is located on described air inlet pipe; Blast pipe, the first end of described blast pipe is communicated with the second end of described tracheae and the second end of described blast pipe is in communication with the outside; And second valve, described second valve is located on described blast pipe.
According to the pore-free die casting die device of the embodiment of the present invention when carrying out die casting, at first open the first valve and close second valve, make oxygen be full of die cavity and press chamber to replace air, then water material at pouring slot, water after having expected and make drift to pressing chamber to carry out the low speed injection until the sealing pouring slot is now closed the first valve and opened second valve with emptying remaining oxygen.Thus, according to the pore-free die casting die device of the embodiment of the present invention, can directly apply on conventional die casting, need not be transformed die casting, simple in structure, production efficiency is high.
In addition, pore-free die casting die device according to the above embodiment of the present invention can also have following additional technical characterictic:
According to an example of the present invention, described pore-free die casting die device also comprises vacuum valve or exhaust block, and described vacuum valve or exhaust block are located between the first end of described die cavity and described tracheae.
According to an example of the present invention, described pore-free die casting die device also comprises throttle part, and described throttle part is located on described air inlet pipe and is positioned at the downstream of described the first valve.
According to an example of the present invention, described throttle part is choke valve.
According to an example of the present invention, described choke valve is electromagnetic throttle valve.
According to an example of the present invention, described the first valve and described second valve are magnetic valve.
According to an example of the present invention, described pore-free die casting die device also comprises threeway, and the first end of the second end of described tracheae, described air inlet pipe and the first end of described blast pipe are connected with described threeway respectively.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram of pore-free die casting die device according to an embodiment of the invention.
The specific embodiment
Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is less than Second Characteristic.
Describe the pore-free die casting die device according to the embodiment of the present invention in detail below with reference to accompanying drawing.
As shown in Figure 1, the pore-free die casting die device according to the embodiment of the present invention comprises: die ontology, press chamber 13, drift 14, tracheae 9, air inlet pipe 1, source of oxygen 4, the first valves 3, blast pipe 5 and second valve 6.
Specifically, there is die cavity 12 in described die ontology.Here it should be noted that, as shown in Figure 1, the die ontology of die casting can consist of dynamic model 10 and quiet mould 11, after dynamic model 10 is closed with quiet mould 11, forms die cavity 12.This is understandable to those skilled in the art.
Press the first end (pressing as shown in Figure 1 the left end of chamber 13) of chamber 13 to be communicated with die cavity 12 and press on the periphery wall of chamber 13 and there is pouring slot 15.That is, in press casting procedure, thereby molten metal enters die cavity 12 to be shaped by pouring slot 15 via pressure chamber 13.
Drift 14 is located in second end (pressing as shown in Figure 1 the right-hand member of chamber 13) of pressing chamber 13 movably to open and to seal pouring slot 15.That is, shown in Fig. 1, in press casting procedure, at first drift 14 is positioned at the right side of pouring slot 15, and after watering material, drift 14 is moved to the left, and starts the low speed injection, drift 14 sealing pouring slots 15.
The first end of tracheae 9 (the lower end of tracheae 9) as shown in Figure 1 is communicated with die cavity 12.
The second end of the first end of air inlet pipe 1 (the left end of air inlet pipe 1) as shown in Figure 1 and tracheae 9 (the upper end of tracheae 9) as shown in Figure 1 is communicated with.
Such as the second end of source of oxygen 4 with the air inlet pipe 1 of oxygen cylinder (the right-hand member of air inlet pipe 1) as shown in Figure 1, be communicated with.
The first valve 3 such as magnetic valve is located on air inlet pipe 1 to control the break-make of air inlet pipe 1.
The first end of blast pipe 5 (the right-hand member of blast pipe 5) as shown in Figure 1 is communicated with the second end of tracheae 9 and the second end of blast pipe 5 (the left end of blast pipe 5) as shown in Figure 1 is in communication with the outside.
According to the pore-free die casting die device of the embodiment of the present invention when carrying out die casting, at first open the first valve and close second valve, make oxygen be full of die cavity and press chamber to replace air, then water material at pouring slot, water after having expected and make drift to pressing chamber to carry out the low speed injection until the sealing pouring slot is now closed the first valve and opened second valve with emptying remaining oxygen.Thus, according to the pore-free die casting die device of the embodiment of the present invention, can directly apply on conventional die casting, need not be transformed die casting, simple in structure, production efficiency is high.
As shown in Figure 1, according to an example of the present invention, described pore-free die casting die device also comprises vacuum valve 8, and vacuum valve 8 is located between the first end of die cavity 12 and tracheae 9, so that tracheae 9 is communicated with die cavity 12 by vacuum valve 8.
Here it should be noted that, above-mentioned vacuum valve 8 also can be deflated piece and substitute.This is understandable to those skilled in the art.
According to an example of the present invention, described pore-free die casting die device also comprises throttle part 2, and throttle part 2 is located on air inlet pipe 1 and is positioned at the downstream of the first valve 3 (the left side of the first valve 3) as shown in Figure 1.Advantageously, throttle part 2 can be the choke valve such as electromagnetic throttle valve etc.
According to an example of the present invention, described pore-free die casting die device also comprises threeway 7, and the first end of the second end of tracheae 9, the first end of air inlet pipe 1 and blast pipe 5 is connected with threeway 7 respectively.Can simplify mounting structure thus.
Sketch the pore-free die casting die device course of work according to the embodiment of the present invention below in conjunction with accompanying drawing.
Pore-free die casting die device according to the embodiment of the present invention, oxygen is carried by air inlet pipe 1, throttle part 2 and the first valve 3 are installed on air inlet pipe 1, control respectively oxygen flow and switching situation in air inlet pipe 1, the oxygen of carrying provides by source of oxygen 4, and in press casting procedure, portion gas is discharged from blast pipe 5, and second valve 6 is installed on blast pipe 5, control the switching of blast pipe 5, air inlet pipe 1 is connected with the tracheae 9 at vacuum valve 8 tops by threeway 7 with blast pipe 5.
While using pore-free die casting die device provided by the invention to carry out pore-free die casting, the first valve 3 and second valve 6 are initially in closed condition, open the first valve 3 after dynamic model 10 and cover half 11 closures and carry out oxygen supply, control oxygen flow by adjusting joint stream unit 2, before material is watered in assurance, die cavity 12 is fully replaced by oxygen with pressure chamber 13 Airs, after watering material, drift 14 is moved to the left, start the low speed injection, after drift 14 sealing pouring slots 15, close the first valve 3, oxygen feeding stop, open second valve 6 simultaneously, blast pipe 5 is opened, the oxygen do not reacted with molten metal in injection process is discharged by blast pipe 5.
According to the pore-free die casting die device of the embodiment of the present invention, can directly apply on conventional die casting or vacuum die-casting mould, need not be transformed die casting, the die casting operation is identical with conventional die casting, simple in structure, production efficiency is high.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can be changed above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (7)
1. a pore-free die casting die device, is characterized in that, comprising:
Die ontology, have die cavity in described die ontology;
Press chamber, the first end of described pressure chamber to be communicated with described die cavity and the periphery wall of described pressure chamber on there is pouring slot;
Drift, described drift is located in the second end of described pressure chamber movably to open and to seal described pouring slot;
Tracheae, the first end of described tracheae is communicated with described die cavity;
Air inlet pipe, the first end of described air inlet pipe is communicated with the second end of described tracheae;
Source of oxygen, described source of oxygen is communicated with the second end of described air inlet pipe;
The first valve, described the first valve is located on described air inlet pipe;
Blast pipe, the first end of described blast pipe is communicated with the second end of described tracheae and the second end of described blast pipe is in communication with the outside; With
Second valve, described second valve is located on described blast pipe.
2. pore-free die casting die device according to claim 1, is characterized in that, also comprises vacuum valve or exhaust block, and described vacuum valve or exhaust block are located between the first end of described die cavity and described tracheae.
3. pore-free die casting die device according to claim 2, is characterized in that, also comprises throttle part, and described throttle part is located on described air inlet pipe and is positioned at the downstream of described the first valve.
4. pore-free die casting die device according to claim 3, is characterized in that, described throttle part is choke valve.
5. pore-free die casting die device according to claim 4, is characterized in that, described choke valve is electromagnetic throttle valve.
6. according to the described pore-free die casting die device of any one in claim 1-5, it is characterized in that, described the first valve and described second valve are magnetic valve.
7. pore-free die casting die device according to claim 1, is characterized in that, also comprises threeway, and the first end of the second end of described tracheae, described air inlet pipe and the first end of described blast pipe are connected with described threeway respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329464.2A CN103433457B (en) | 2013-07-31 | 2013-07-31 | Pore-free die casting die device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329464.2A CN103433457B (en) | 2013-07-31 | 2013-07-31 | Pore-free die casting die device |
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| CN103433457A true CN103433457A (en) | 2013-12-11 |
| CN103433457B CN103433457B (en) | 2016-02-24 |
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| CN201310329464.2A Active CN103433457B (en) | 2013-07-31 | 2013-07-31 | Pore-free die casting die device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934428A (en) * | 2014-03-31 | 2014-07-23 | 清华大学 | Oxygenating-vacuum die casting die device and oxygenating-vacuum die casting process |
| CN104550826A (en) * | 2015-01-07 | 2015-04-29 | 陈贵有 | Die-casting technique of horizontal cold chamber die casting machine |
| CN105081264A (en) * | 2015-08-25 | 2015-11-25 | 无锡贺邦金属制品有限公司 | Die casting process of horizontal die casting machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004249334A (en) * | 2003-02-21 | 2004-09-09 | Suzuki Motor Corp | High vacuum die-casting method using oxygen shield |
| CN1701878A (en) * | 2004-04-20 | 2005-11-30 | 东芝机械株式会社 | Die-casting device and vacuum process |
| CN201275611Y (en) * | 2008-08-18 | 2009-07-22 | 林伟鸿 | Extrusion casting device |
-
2013
- 2013-07-31 CN CN201310329464.2A patent/CN103433457B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004249334A (en) * | 2003-02-21 | 2004-09-09 | Suzuki Motor Corp | High vacuum die-casting method using oxygen shield |
| CN1701878A (en) * | 2004-04-20 | 2005-11-30 | 东芝机械株式会社 | Die-casting device and vacuum process |
| CN201275611Y (en) * | 2008-08-18 | 2009-07-22 | 林伟鸿 | Extrusion casting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934428A (en) * | 2014-03-31 | 2014-07-23 | 清华大学 | Oxygenating-vacuum die casting die device and oxygenating-vacuum die casting process |
| CN103934428B (en) * | 2014-03-31 | 2016-04-20 | 清华大学 | Oxygenation-vacuum die-casting mould device and oxygenation-vacuum die casting process |
| CN104550826A (en) * | 2015-01-07 | 2015-04-29 | 陈贵有 | Die-casting technique of horizontal cold chamber die casting machine |
| CN105081264A (en) * | 2015-08-25 | 2015-11-25 | 无锡贺邦金属制品有限公司 | Die casting process of horizontal die casting machine |
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| Publication number | Publication date |
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| CN103433457B (en) | 2016-02-24 |
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