CN105290332A - Spruing device and manufacturing method for cooling fin - Google Patents
Spruing device and manufacturing method for cooling fin Download PDFInfo
- Publication number
- CN105290332A CN105290332A CN201410339448.6A CN201410339448A CN105290332A CN 105290332 A CN105290332 A CN 105290332A CN 201410339448 A CN201410339448 A CN 201410339448A CN 105290332 A CN105290332 A CN 105290332A
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- China
- Prior art keywords
- cast gate
- sprue
- fin
- lobus
- sheet
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Abstract
The invention relates to a spruing device for a cooling fin. The spruing device comprises a pressing chamber and a left sprue connected with the pressing chamber. A first sprue opening, a second sprue opening and a left blade sprue opening are formed in the left sprue. The first sprue opening and the second sprue opening correspond to a base of a molded radiator. The left blade sprue opening corresponds to blades of the molded radiator. The spruing device is designed into two rows of sprue openings, a base of the cooling fin is filled with one row of sprue openings, and the blades are filled with the other row of sprue openings. Thin walls on the top ends of the blades can be filled fully by adjusting the sprue openings connected with the blades. According to a manufacturing method for the cooling fin, the step of pressurizing is needed after filling is conducted, a shrinking hole is filled with molten aluminum in casting section thickness and a whole mould wall, especially the tops of the blades at the same time under the function of added pressure, so that shrinkage blowholes do not occur in the casting section thickness, the whole mould wall and the tops of the blades, and therefore the filling effect is better and more compact. The invention further provides a manufacturing method for the radiator using the spruing device.
Description
Technical field
The present invention relates to a kind of gating apparatus of fin and use the manufacture method of this gating apparatus, in particular, relate to a kind of gating apparatus of fin of light-alloy and use the manufacture method of this gating apparatus.
Background technology
Fin in current electric elements mostly is tabular, sheet or multi-disc combination etc., and the material of employing is aluminium alloy.
But along with the raising required properties of product, the heat dissipation capacity of electronic component is also increasing, and common aluminum alloy heat sink can not reach demand.Conventional fin blade height is generally at about 50mm at present, more than top thickness 1.5mm.When blade height reaches more than 70mm, when gear piece thickness is less than 1mm, common molding mode can not meet the demands, and blade tip is filled and imperfectly caused misrun, the problem such as loose.
Given this, be necessary to provide a kind of gating apparatus of better fin and manufacture method to solve this technical problem.
Summary of the invention
The technical problem to be solved in the present invention is: the gating apparatus and the manufacture method thereof that provide the fin of the more complete densification of a kind of filling molding.
For achieving the above object, the invention provides following technical scheme: a kind of gating apparatus of fin, the left sprue comprising pressure chamber and be connected with pressure chamber, this left sprue is provided with the first cast gate, the second cast gate and lobus sinister sheet cast gate, wherein, first cast gate and the second cast gate are to the base being applied to molded heat sink, and this lobus sinister sheet cast gate is to the blade being applied to molded heat sink.
A manufacture method for fin, it comprises the steps:
Fill type step; Aluminium alloy liquid fills type by pressure chamber and left sprue and right sprue two-way;
Filling step; The aluminium alloy liquid entering left sprue arrives body by the first cast gate, the second cast gate and lobus sinister sheet cast gate, the aluminium alloy liquid entering right sprue arrives body by the 3rd cast gate, the 4th cast gate and lobus dexter sheet cast gate, first cast gate, the second cast gate, the 3rd cast gate, the 4th are with one voice for filling fin foundry goods base, and lobus sinister sheet cast gate and lobus dexter sheet cast gate are for filling blade;
Pressure increase step; Be the first cast gate, the second cast gate, the 3rd cast gate, the 4th cast gate, lobus sinister sheet cast gate and the supercharging of lobus dexter sheet cast gate by pressure chamber.
Gating apparatus of the present invention be designed to two row's cast gates, cooling fin fin base filled by row's cast gate, and blade filled by row's cast gate, by the adjustment connecting blade cast gate, blade tip thin-walled can be made to fill complete.The manufacture method of fin of the present invention also has the step of supercharging after filling, under the effect of pressurized energy, aluminium liquid is filled up simultaneously in the shrinkage cavity hole in casting section thickness with in whole mould wall, especially vane tip, makes it not produce sbrinkage blowhole, and filling effect better and finer and close.
Accompanying drawing explanation
Fig. 1 is the gating apparatus structure chart of fin of the present invention.
Detailed description of the invention
Refer to Fig. 1, below in conjunction with accompanying drawing, the gating apparatus of fin of the present invention and manufacture method are described in further details.
Gating apparatus of the present invention, for the manufacture of the fin of aluminium alloy, comprises pressure chamber 1, left sprue 2, right sprue 3, first cast gate 6, second cast gate 7, the 3rd cast gate 5 and the 4th cast gate 4.Wherein, pressure chamber 1 is connected with right sprue 3 respectively with left sprue 2.Left sprue 2 and right sprue 3 are " U " shape sprue, left sprue 2 are arranged the first cast gate 6, second cast gate 7 connecting body 10 seating plane and the lobus sinister sheet cast gate connecting the left half of blade of body 10.Described right sprue 3 is arranged the lobus dexter sheet cast gate of the 3rd cast gate 5, the 4th cast gate 4 and the right half of blade of connection body connecting body seating plane.On left sprue 2, first cast gate 6, second cast gate 7 staggers up and down with lobus sinister sheet cast gate, on left sprue 3,3rd cast gate 5, the 4th cast gate 4 stagger up and down with lobus dexter sheet cast gate, make the body seating plane of the corresponding molded heat sink of first, second, third, fourth cast gate, the blade of lobus sinister sheet cast gate and the corresponding molded heat sink of lobus dexter sheet cast gate.Certainly, the design of the U-shaped of left sprue 2, also can facilitate the first cast gate 6, second cast gate 7 of correspondence and lobus sinister sheet cast gate to stagger up and down, is also like this for the 3rd running channel 5 of right sprue 3, the 4th running channel 4 and lobus dexter sheet running channel.Lobus sinister sheet cast gate and lobus dexter sheet cast gate quantity can be arranged according to body blade quantity, make the corresponding blade of each cast gate.
The concrete grammar of manufacture is described for the fin manufacturing an aluminium alloy below, the weight of this aluminum alloy heat sink foundry goods is 4.26 kilograms, average wall thickness is 2.3 millimeters, length 400 millimeters, width 300 millimeters, radiation tooth height 70 millimeters is constant, tooth top < 1 millimeter, draft angle < 1 degree.
Processing method of the present invention is realized by following steps:
Step one: aluminium alloy liquid is quickly through pressure chamber 1; " U-shaped " the left sprue 2 adopting 2 sizes identical and right sprue 3 two-way fill type, and the shape of the two-way sprue of the left sprue of body 2 and right sprue 3 is fan-shaped.
Step 2: first via aluminium liquid first arrives body 10 by the first cast gate 6, second cast gate 7 and lobus sinister sheet cast gate through left sprue 2; Second road aluminium liquid first arrives by the 3rd cast gate 5, the 4th cast gate 4 and lobus dexter sheet cast gate the base that body 10, first, second, third, fourth cast gate correspondence fills fin foundry goods through right sprue 3, and left and right blade cast gate correspondence fills the blade of radiator.
Step 3: after having filled, in 0.1 millisecond, automatically open function of increasing pressure device on press and implement supercharging, the aluminium liquid simultaneously also will do not solidified in pressure chamber 1 and the first cast gate 6, second cast gate 7, the 3rd cast gate 5, the 4th cast gate 4 and lobus sinister sheet cast gate and lobus dexter sheet cast gate, under the effect of pressurized energy, aluminium liquid is filled up simultaneously in the shrinkage cavity hole in casting section thickness with in whole mould wall, especially vane tip, makes it not produce sbrinkage blowhole.First cast gate 6, second cast gate 7, the 3rd cast gate 5, the 4th cast gate 4 mainly fill blade seating plane, and left and right blade cast gate mainly fills blade, make Blade roughcast filling intact and fine and close.
The left sprue of fill system is designed to " U " shape running channel, can design two row's cast gates, and cooling fin fin base face filled by row's cast gate, blade filled by one row's cast gate, can the filling distance be shortened like this, delay aluminium liquid setting time, make the effective feeding of blade tip thin-walled place casting mold.Left and right running channel is symmetrical, the monolateral length of " U " shape running channel 150 millimeters, and thickness is 12 millimeters, wide 27 millimeters, total length 370 millimeters, shortens the filling distance, reduces the filling time.First cast gate 6, second cast gate 7, the 3rd cast gate 5, the 4th cast gate 4 width design are each 35 millimeters, and angle is 45 degree, and thickness is 2 millimeters, aluminium liquid is accelerated by the speed of cast gate, slow down the quick cooling of aluminium liquid, make it Fast Filling foundry goods.The cast gate the Wide-Band Design connecting body blade is each 14 millimeters, and angle is 35 degree, and thickness is 1 millimeter, aluminium liquid is accelerated and Fast Filling by the speed of cast gate, slow down the quick cooling of aluminium liquid, improve promptness, the integrality of foundry goods blade being filled to type.
The left sprue of gating apparatus of the present invention is designed to " U " shape running channel, is designed to two row's cast gates, and cooling fin fin base face filled by row's cast gate, and blade filled by row's cast gate, by the adjustment connecting blade cast gate, blade tip thin-walled can be made to fill complete.
Be appreciated that gating apparatus of the present invention also only can retain sprue and the cast gate of side, as retained left sprue, the first cast gate, the second cast gate and lobus sinister sheet cast gate, pressure chamber be arranged on edge, also can complete manufacture.
In sum, these are only preferred embodiment of the present invention, should not limit the scope of the invention with this.Namely every simple equivalence done according to claims of the present invention and description changes and modifies, and all should still remain within the scope of the patent.
Claims (8)
1. the gating apparatus of a fin, the left sprue comprising pressure chamber and be connected with pressure chamber, this left sprue is provided with the first cast gate, the second cast gate and lobus sinister sheet cast gate, wherein, first cast gate and the second cast gate are to the base being applied to molded heat sink, and this lobus sinister sheet cast gate is to the blade being applied to molded heat sink.
2. the gating apparatus of fin as claimed in claim 1, it is characterized in that: also comprise the right sprue be simultaneously connected with pressure chamber, this right sprue is provided with the 3rd cast gate, the 4th cast gate and lobus dexter sheet cast gate, wherein, 3rd cast gate and the 4th cast gate and the first cast gate are to the base being applied to molded heat sink together with the second cast gate, and this lobus dexter sheet cast gate and lobus sinister sheet cast gate are to the blade being applied to molded heat sink.
3. the gating apparatus of fin as claimed in claim 2, is characterized in that: this left sprue and right sprue are U-shaped.
4. the gating apparatus of fin as claimed in claim 3, is characterized in that: lobus sinister sheet cast gate is corresponding with the quantity of radiator blade with the quantity of lobus dexter sheet cast gate.
5. the gating apparatus of fin as claimed in claim 4, is characterized in that: the first cast gate of this left sprue, the second cast gate and lobus sinister sheet cast gate stagger up and down.
6. as the gating apparatus of fin in claim 5, it is characterized in that: the 3rd running channel of right sprue, the 4th running channel and lobus dexter sheet running channel stagger up and down.
7. adopt a manufacture method for the fin of the gating apparatus of fin according to claim 6, it comprises the steps:
Fill type step; Aluminium alloy liquid fills type by pressure chamber and left sprue and right sprue two-way;
Filling step; The aluminium alloy liquid entering left sprue arrives body by the first cast gate, the second cast gate and lobus sinister sheet cast gate, the aluminium alloy liquid entering right sprue arrives body by the 3rd cast gate, the 4th cast gate and lobus dexter sheet cast gate, first cast gate, the second cast gate, the 3rd cast gate, the 4th are with one voice for filling fin foundry goods base, and lobus sinister sheet cast gate and lobus dexter sheet cast gate are for filling blade;
Pressure increase step; Be the first cast gate, the second cast gate, the 3rd cast gate, the 4th cast gate, lobus sinister sheet cast gate and the supercharging of lobus dexter sheet cast gate by pressure chamber.
8. the manufacture method of the fin of the gating apparatus of fin as claimed in claim 7, is characterized in that: this pressure increase step starts in 0.1 millisecond after filling type step and completing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339448.6A CN105290332A (en) | 2014-07-16 | 2014-07-16 | Spruing device and manufacturing method for cooling fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339448.6A CN105290332A (en) | 2014-07-16 | 2014-07-16 | Spruing device and manufacturing method for cooling fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105290332A true CN105290332A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410339448.6A Pending CN105290332A (en) | 2014-07-16 | 2014-07-16 | Spruing device and manufacturing method for cooling fin |
Country Status (1)
| Country | Link |
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| CN (1) | CN105290332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077484A (en) * | 2016-08-16 | 2016-11-09 | 黄小虎 | A kind of multipurpose entirety temperature control panel and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201342476Y (en) * | 2009-01-23 | 2009-11-11 | 宁波埃利特模具制造有限公司 | Radiating fin aluminum alloy die-casting die |
| CN201613335U (en) * | 2010-03-04 | 2010-10-27 | 广东鸿特精密技术股份有限公司 | Die-casting mould for radiating fins with high walls and deep cavities |
| CN202239566U (en) * | 2011-09-19 | 2012-05-30 | 上海镁镁合金压铸有限公司 | Pouring gate device for magnesium alloy die-casting part of manual transmission casing in saloon |
| CN202343874U (en) * | 2011-12-01 | 2012-07-25 | 中国西电电气股份有限公司 | Casting die of large high-conductivity and pressure-resistant aluminum shell |
| CN203061836U (en) * | 2013-01-22 | 2013-07-17 | 宁海县赛跃金属制品有限公司 | Radiating fin casting mould |
| JP2016002551A (en) * | 2014-06-13 | 2016-01-12 | 日立金属株式会社 | Manufacturing method of casting |
-
2014
- 2014-07-16 CN CN201410339448.6A patent/CN105290332A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201342476Y (en) * | 2009-01-23 | 2009-11-11 | 宁波埃利特模具制造有限公司 | Radiating fin aluminum alloy die-casting die |
| CN201613335U (en) * | 2010-03-04 | 2010-10-27 | 广东鸿特精密技术股份有限公司 | Die-casting mould for radiating fins with high walls and deep cavities |
| CN202239566U (en) * | 2011-09-19 | 2012-05-30 | 上海镁镁合金压铸有限公司 | Pouring gate device for magnesium alloy die-casting part of manual transmission casing in saloon |
| CN202343874U (en) * | 2011-12-01 | 2012-07-25 | 中国西电电气股份有限公司 | Casting die of large high-conductivity and pressure-resistant aluminum shell |
| CN203061836U (en) * | 2013-01-22 | 2013-07-17 | 宁海县赛跃金属制品有限公司 | Radiating fin casting mould |
| JP2016002551A (en) * | 2014-06-13 | 2016-01-12 | 日立金属株式会社 | Manufacturing method of casting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077484A (en) * | 2016-08-16 | 2016-11-09 | 黄小虎 | A kind of multipurpose entirety temperature control panel and preparation method thereof |
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Application publication date: 20160203 |
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| WD01 | Invention patent application deemed withdrawn after publication |