CN204603266U - A kind of exhaust gear of die casting - Google Patents
A kind of exhaust gear of die casting Download PDFInfo
- Publication number
- CN204603266U CN204603266U CN201520164366.2U CN201520164366U CN204603266U CN 204603266 U CN204603266 U CN 204603266U CN 201520164366 U CN201520164366 U CN 201520164366U CN 204603266 U CN204603266 U CN 204603266U
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- CN
- China
- Prior art keywords
- die casting
- exhaust
- air
- exhaustion plate
- flow buffer
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Abstract
The utility model discloses a kind of exhaust gear of die casting, comprise, exhaust unit, comprise be located on mavable module core and be successively connected front end exhaust duct (1), decompression exhaust road (2) and rear end exhaust duct (3); Air-flow buffer unit, comprise the first exhaustion plate (4) of being located on solid plate (18) and be located at moving platen (17) upper and with second exhaustion plate (5) of the corresponding setting of described first exhaustion plate (4); Vacuum filtration unit, comprises fixed head (6), Connection Element (7) and vacuum filter (8).The exhaust gear of die casting described in this case, effectively can improve exhaust efficiency and the quality of mould by arranging exhaust unit, air-flow buffer unit and vacuum filtration unit.
Description
Technical field
The utility model relates to a kind of die casting, particularly a kind of exhaust gear of die casting.
Background technology
Compression casting is called for short die casting, is a kind of to pour in pressure chamber by molten metal liquid, with the die cavity of high speed filling steel die, and molten metal is solidified under stress and forms the casting method of foundry goods.Die-casting process generally adopts and fixed half and moving half matched moulds is formed workpiece cavity, is pressed in workpiece cavity by metallic solution under pressure, and the obtained shaping workpiece of cooling.
There is venting deficiencies in existing die casting, such as, due to metallic solution high-speed filling, cool fast, cause gas in die cavity to have little time the phenomenons such as discharge, and venting deficiencies can cause having pore and oxide inclusion to exist in die casting, thus quality of die casting is caused to decline.
Based on the above, in die casting, configure rational exhaust gear most important.
Utility model content
For the weak point existed in above-mentioned technology, the utility model provides a kind of exhaust gear of die casting, improves exhaust efficiency and the quality of mould by arranging exhaust unit, air-flow buffer unit and vacuum filtration unit.
An exhaust gear for die casting, comprises, exhaust unit, comprises and being located on mavable module core and the front end exhaust duct 1, decompression exhaust road 2 and the rear end exhaust duct 3 that are connected successively, air-flow buffer unit, comprise the first exhaustion plate 4 of being located on solid plate 18 and to be located on moving platen 17 and with the second exhaustion plate 5 of the corresponding setting of described first exhaustion plate 4, described second exhaustion plate 5 is provided with bleed air inlet 5.1, some air-flow buffers arranged in parallel protruding 1 and the air flue isolation strip 5.3 be vertical between described air-flow buffer protruding 1, the design of air flue isolation strip 5.3 causes mutual interference for preventing between each stock molten metal, the air-flow buffer protruding 2 4.1 that described first exhaustion plate 4 is provided with first row gas port 4.2 and matches with described air-flow buffer protruding 1, vacuum filtration unit, comprise and be provided with through hole and the fixed head 6 be fixed on described first exhaustion plate 4, the Connection Element 7 be connected through described through hole and with described first row gas port 4.2 and the vacuum filter 8 be connected on described Connection Element 7, there is pore steel wire filter assemblies vacuum filtration unit inside, is the protective barrier preventing molten metal splashing from providing last, wherein, described second exhaustion plate 5 is connected with described rear end exhaust duct 3 by described bleed air inlet 5.1.
Preferably, the exhaust gear of described die casting, wherein, described vacuum filter 8 is connected with the pumped vacuum systems being located at die casting outside.
Preferably, the exhaust gear of described die casting, wherein, the width of described front end exhaust duct 1 and described rear end exhaust duct 3 is all less than the width in described decompression exhaust road 2, the change of the exhaust duct degree of depth and width and the design in decompression exhaust road are all to slow down the speed that in mould, molten metal flows, make it cool fast, and form good nowed forming.
Preferably, the exhaust gear of described die casting, wherein, described air-flow buffer protruding 2 4.1 is identical with protruding one 5.2 orientations of described air-flow buffer, and when described first exhaustion plate 4 fastens with described second exhaustion plate 5, described air-flow buffer protruding 2 4.1 is staggered with described air-flow buffer protruding 1, and described air-flow buffer protruding 2 4.1 is parallel with described air-flow buffer projection 1 and the setting that matches can make air-flow evenly pass through smoothly.
Preferably, the exhaust gear of described die casting, wherein, described exhaust gear also comprises afflux unit, described afflux unit comprises the cross gate 9 be located on mavable module core, be divided into runner 10 and the runner dashpot 11 at described cross gate 9 two ends, the branch flow passage 12 be connected with described cross gate 9, the die cavity 13 be connected with described branch flow passage 12 by ingate 16 and the slag trap 15 be connected with described die cavity 13 by slag-drip opening 14, described front end exhaust duct 1 is connected with described slag trap 15, the flow velocity of molten metal and the flow velocity of air-flow when vacuumizing when effectively can slow down cast by the setting of above each runner, when vacuumizing, air-flow is successively by described afflux unit, described exhaust unit, described air-flow buffer unit, described vacuum filtration unit and described pumped vacuum systems.
Preferably, the exhaust gear of described die casting, wherein, described ingate 16 width is 1.8 ~ 2.2mm, effectively can slow down the flow velocity of molten metal during cast.
Preferably, the exhaust gear of described die casting, wherein, described slag-drip opening 14 width is 1.8 ~ 2.2mm, effectively can slow down the flow velocity of molten metal during cast.
Preferably, the exhaust gear of described die casting, wherein, described solid plate 18, described first exhaustion plate 4 and the fixed mold core be located on described solid plate 18, and described moving platen 17, be located at described second exhaustion plate 5 on described moving platen 17 and described mavable module core heatproof all more than 200 DEG C, ensure that each parts repeat lasting use under the high temperature conditions.
Preferably, the exhaust gear of described die casting, wherein, described die casting tightness is 100mbar.
The exhaust gear beneficial effect of die casting disclosed in the utility model: (1) is by arranging front end exhaust duct, decompression exhaust road and rear end exhaust duct, and by three channel width size variation designs, effectively slow down the flow velocity of the molten metal bath in the flowing of afflux unit, make it cool rapidly, stop flowing; (2) by arranging air-flow buffer projection and air flue isolation strip, the system that is evacuated making steady air current orderly is extracted out; (3) by arranging vacuum filtration unit, effectively exhaust quality is improved; (4) while ensureing area of bleeding as far as possible, the flow velocity of molten metal bath is slowed down by increasing flow process, change direction and cross section, make the contact area of mould and molten metal bath increase simultaneously, molten metal bath is cooled down rapidly, stop flowing, prevent the molten metal of melting from aspirating hole splash to the outside of mould, cause to produce and interrupt, even danger is caused to operator.
Accompanying drawing explanation
Fig. 1 is the afflux unit being positioned at dynamic model side and the vacuum filtration cell schematics of die casting exhaust gear described in the utility model;
Fig. 2 be die casting exhaust gear described in the utility model be positioned at dynamic model side exhaust unit schematic diagram;
Fig. 3 is the exhaust unit being positioned at dynamic model side and the air-flow buffer cell schematics of die casting exhaust gear described in the utility model;
Fig. 4 is the cover half side schematic diagram one of die casting exhaust gear described in the utility model;
Fig. 5 is the cover half side schematic diagram two of die casting exhaust gear described in the utility model;
Fig. 6 is the cover half side schematic diagram three of die casting exhaust gear described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
The exhaust gear of concrete elaboration die casting provided by the utility model, comprises following unit:
Exhaust unit, comprise and being located on mavable module core and the front end exhaust duct 1, decompression exhaust road 2 and the rear end exhaust duct 3 that are connected successively, the width of described front end exhaust duct 1 and described rear end exhaust duct 3 is all less than the width in described decompression exhaust road 2;
Air-flow buffer unit, comprise the first exhaustion plate 4 of being located on solid plate 18 and to be located on moving platen 17 and with the second exhaustion plate 5 of the corresponding setting of described first exhaustion plate 4, the air flue isolation strip 5.3 that described second exhaustion plate 5 is provided with bleed air inlet 5.1, some air-flow buffers arranged in parallel protruding 1 and is vertical between described air-flow buffer protruding 1, the air-flow buffer protruding 2 4.1 that described first exhaustion plate 4 is provided with first row gas port 4.2 and matches with described air-flow buffer protruding 1; Described air-flow buffer protruding 2 4.1 is identical with protruding one 5.2 orientations of described air-flow buffer, and when described first exhaustion plate 4 fastens with described second exhaustion plate 5, described air-flow buffer protruding 2 4.1 is staggered with described air-flow buffer protruding 1;
Vacuum filtration unit, comprises and is provided with through hole and the fixed head 6 be fixed on described first exhaustion plate 4, the Connection Element 7 be connected through described through hole and with described first row gas port 4.2 and the vacuum filter 8 be connected on described Connection Element 7;
Wherein, described second exhaustion plate 5 is connected with described rear end exhaust duct 3 by described bleed air inlet 5.1.
Described exhaust gear also comprises afflux unit, described afflux unit comprises the cross gate 9 be located on mavable module core, be divided into runner 10 and the runner dashpot 11 at described cross gate 9 two ends, the branch flow passage 12 be connected with described cross gate 9, the die cavity 13 be connected with described branch flow passage 12 by ingate 16 and the slag trap 15 be connected with described die cavity 13 by slag-drip opening 14, described front end exhaust duct 1 is connected with described slag trap 15, when vacuumizing, air-flow is successively by described afflux unit, described exhaust unit, described air-flow buffer unit, described vacuum filtration unit and described pumped vacuum systems.Described ingate 16 width is 1.8 ~ 2.2mm.Described slag-drip opening 14 width is 1.8 ~ 2.2mm.
Described vacuum filter 8 is connected with the pumped vacuum systems being located at described die casting outside.
Above-mentioned solid plate 18, moving platen 17, mavable module core, fixed mold core, the first exhaustion plate 4 and the second exhaustion plate 5 heatproof are all more than 200 DEG C.This die casting tightness is 100mbar.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. an exhaust gear for die casting, is characterized in that, comprises,
Exhaust unit, comprise be located on mavable module core and be successively connected front end exhaust duct (1), decompression exhaust road (2) and rear end exhaust duct (3);
Air-flow buffer unit, comprise the first exhaustion plate (4) of being located on solid plate (18) and be located at moving platen (17) upper and with second exhaustion plate (5) of the corresponding setting of described first exhaustion plate (4), described second exhaustion plate (5) is provided with bleed air inlet (5.1), some air-flow buffer projections one (5.2) arranged in parallel and the air flue isolation strip (5.3) be vertical between described air-flow buffer projection one (5.2), the air-flow buffer projection two (4.1) that described first exhaustion plate (4) is provided with first row gas port (4.2) and matches with described air-flow buffer projection one (5.2),
Vacuum filtration unit, comprise and be provided with through hole and the fixed head (6) be fixed on described first exhaustion plate (4), the Connection Element (7) be connected through described through hole and with described first row gas port (4.2) and the vacuum filter (8) be connected on described Connection Element (7);
Wherein, described second exhaustion plate (5) is connected with described rear end exhaust duct (3) by described bleed air inlet (5.1).
2. the exhaust gear of die casting as claimed in claim 1, it is characterized in that, described vacuum filter (8) is connected with the pumped vacuum systems being located at die casting outside.
3. the exhaust gear of die casting as claimed in claim 2, it is characterized in that, the width of described front end exhaust duct (1) and described rear end exhaust duct (3) is all less than the width of described decompression exhaust road (2).
4. the exhaust gear of die casting as claimed in claim 3, it is characterized in that, described air-flow buffer projection two (4.1) is identical with the orientation of described air-flow buffer projection one (5.2), and when described first exhaustion plate (4) fastens with described second exhaustion plate (5), described air-flow buffer projection two (4.1) is staggered with described air-flow buffer projection one (5.2).
5. the exhaust gear of die casting as claimed any one in claims 1 to 3, it is characterized in that, described exhaust gear also comprises afflux unit, described afflux unit comprises the cross gate (9) be located on mavable module core, be divided into runner (10) and the runner dashpot (11) at described cross gate (9) two ends, the branch flow passage (12) be connected with described cross gate (9), the die cavity (13) be connected with described branch flow passage (12) by ingate (16) and the slag trap (15) be connected with described die cavity (13) by slag-drip opening (14), described front end exhaust duct (1) is connected with described slag trap (15).
6. the exhaust gear of die casting as claimed in claim 5, it is characterized in that, described ingate (16) width is 1.8 ~ 2.2mm.
7. the exhaust gear of die casting as claimed in claim 6, it is characterized in that, described slag-drip opening (14) width is 1.8 ~ 2.2mm.
8. the exhaust gear of the die casting as described in claim 2,3,4,6 or 7, it is characterized in that, described solid plate (18), be located at described first exhaustion plate (4) on described solid plate (18) and fixed mold core, and described moving platen (17), be located at described second exhaustion plate (5) on described moving platen (17) and described mavable module core heatproof all more than 200 DEG C.
9. the exhaust gear of die casting as claimed in claim 8, it is characterized in that, described die casting tightness is 100mbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164366.2U CN204603266U (en) | 2015-03-20 | 2015-03-20 | A kind of exhaust gear of die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164366.2U CN204603266U (en) | 2015-03-20 | 2015-03-20 | A kind of exhaust gear of die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204603266U true CN204603266U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520164366.2U Expired - Fee Related CN204603266U (en) | 2015-03-20 | 2015-03-20 | A kind of exhaust gear of die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204603266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128081A (en) * | 2018-08-22 | 2019-01-04 | 苏州广型模具有限公司 | A kind of vacuumizing and exhausting buffer structure |
| CN109128083A (en) * | 2018-08-22 | 2019-01-04 | 苏州广型模具有限公司 | A kind of exhaustion plate structure of huge discharge |
| CN111790895A (en) * | 2020-06-17 | 2020-10-20 | 江阴市星海铸造有限公司 | Die for machining high-strength ratchet shaft and machining process of die |
-
2015
- 2015-03-20 CN CN201520164366.2U patent/CN204603266U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128081A (en) * | 2018-08-22 | 2019-01-04 | 苏州广型模具有限公司 | A kind of vacuumizing and exhausting buffer structure |
| CN109128083A (en) * | 2018-08-22 | 2019-01-04 | 苏州广型模具有限公司 | A kind of exhaustion plate structure of huge discharge |
| CN111790895A (en) * | 2020-06-17 | 2020-10-20 | 江阴市星海铸造有限公司 | Die for machining high-strength ratchet shaft and machining process of die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20210320 |