CN102794431B - The chill vent of compression mod - Google Patents
The chill vent of compression mod Download PDFInfo
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- CN102794431B CN102794431B CN201210286120.3A CN201210286120A CN102794431B CN 102794431 B CN102794431 B CN 102794431B CN 201210286120 A CN201210286120 A CN 201210286120A CN 102794431 B CN102794431 B CN 102794431B
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- chill
- movable piece
- metal derby
- fixture
- vent
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Abstract
Even if the invention discloses a kind of construction is very simple expands the compression mod chill vent that aerofluxuss sectional area also can solidify motlten metal.The compression mod of the present invention chill fixture of chill vent（1）With chill movable piece（2）In opposite face, there is continuously undulatory exhaust channel（3）, described chill fixture（1）With chill movable piece（2）Inside be at least embedded with the high metal derby of pyroconductivity respectively（4）、（5）, become and make exhaust channel（3）Temperature reduce construction.And, metal derby is being installed（4）、（5）When, chill fixture（1）With chill movable piece（2）Outer surface（11）、（21）Concave configuration, and gap can be provided with periphery（6）Metal derby is installed on ground（4）、（5）Not contact chill fixture（1）With cold movable piece（2）.
Description
Technical field
The present invention relates to the chill vent of compression mod, it is effective that motlten metal can be entered gas produced by die cavity by it
Ground is discharged.
Background technology
Usually when carrying out die-cast, if the air of mould inside remaining or the height being produced due to mould release etc.
Temperature, the gas of high pressure are rolled into molten metal, then by defects such as gassings.When this casting piece of machining, by
Leakage can be produced in air-tightness is bad, and pore etc. is easily produced on cutting face.In order to solve these shortcomings it is necessary to make
Use chill vent.This chill vent is connected with the die cavity of mould, and the air in the die cavity in molding or gas are cold by this
But air vent is discharged to the outside of mould, and before flowing into the motlten metals such as the aluminum in die cavity and flowing out to mold exterior, should
Chill vent makes aluminum etc. solidify.Thereby, it is possible to obtain described air or gas substantially all discharge and do not have leachy excellent
Good products formed.
In addition, commercially available existing chill vent is the opposite in the chiller being made up of fixture and movable piece
On, a continuously wavy exhaust channel is set, and the gap of this exhaust channel is less than 0.6mm mostly.
Therefore, in order to when motlten metal enters die cavity produced gas efficiently release it is proposed that expanding to outside
The method in the gap of exhaust channel of big chill vent.For example inventor proposes in Japanese Patent Application 2009-014930
The exhaust channel entrance side of chevron shape and outlet side configure by pressure valve and locking-valve and there is blocking device and opening fills
Putting and also have to " the compression mod exhaust apparatus " of device of air；And, in Japanese Utility Model Registration Section No. 3127031
In propose " chill vent " that the cross sectional shape to exhaust channel is designed.But, in above-mentioned chill vent,
Employ by pressure valve, locking-valve, blocking device, vacuum equipment etc., and special chevron shape, there is complex structure, price
High and be difficult to the defects such as fabrication and processing.
In addition, the additive method in the gap as the exhaust channel expanding chill vent, also Japanese Unexamined Patent Publication 2011-
212693 " exhaust structure of device for injection moulding ".This construction internally has the cooling chamber that cooling water can circulate, and
Chill vent is by the box-shaped enclosure of one side open（Chill vent block）Be provided with the surface in this box-shaped enclosure, surface
And the back side has the coldplate composition of waveform shape.Described cooling is arranged in the way of the spaced surface specified gap of coldplate by it
The opposite closing of QI KOU, thus constitute exhaust channel.
But, in Japanese Unexamined Patent Publication 2011-212693, when motlten metal flows in the gap of coldplate, will be by rapidly
Ground high-temperature heating, and the cooled water quick cooling of coldplate.Acted on by expansive force in the inner side of coldplate, outer in coldplate
Side is acted on by contractility, and therefore generally speaking coldplate is acted on by cutting off stress, and at coldplate and its periphery
In the state repeatedly expanding and shrink, particularly easily produce cracking in weld.As a result, cooling water from coldplate or its
Periphery spills, and the water spilling can enter in die cavity, produces at molding deficiency or the defect such as current mark.It is additionally, since this aerofluxuss
Outlet structure is complicated, and parts are many, and goods cost is high.
Content of the invention
The technical problem to be solved in the present invention be to provide a kind of structure very simple, when motlten metal flows through internal stress
The air vent of less compression mod, even and if the increase of aerofluxuss sectional area also can make motlten metal be solidified.
For solving above-mentioned technical problem, the present invention adopts following technical proposals.
A kind of chill vent of compression mod, has continuous ripple on the opposite face of chill fixture and chill movable piece
The exhaust channel of stricture of vagina shape is it is characterised in that the inside of at least described chill fixture or described chill movable piece is embedded with gold
Belong to block, to reduce the temperature of described exhaust channel.
In technique scheme, chill fixture and chill movable piece can be the ingredients of dynamic model and cover half, also may be used
To be independent component.The chill fixture of chill vent and chill movable piece have continuously undulatory on opposite sides
Exhaust channel, in the inside of described chill fixture and chill movable piece, is at least embedded with the high metal derby of pyroconductivity respectively.
Thus, because the heat of exhaust channel can be absorbed by the metal derby high with pyroconductivity to outside heat release, so improve aerofluxuss
The cooling effectiveness of path, promotes the solidification of the motlten metal of the aluminum flowing in chill vent etc..Although it is very simple
Construction, but motlten metal can be made to solidify, the gap of exhaust channel can be expanded further, aerofluxuss effect can be improved further
Really.
In the chill vent of this compression mod of the present invention, in described chill fixture and described chill movable piece
Outer surface forms depression to configure described metal derby.
In the chill vent of this compression mod of the present invention, the outer surface of chill fixture and chill movable piece recessed
Sunken internal face forms gap with the side face of metal derby.
In the chill vent of this compression mod of the present invention, the close institute of the metal derby within described chill fixture
The side stating air vent is contacted with described chill fixture, and the side away from described air vent is formed with described chill fixture
Gap.
In the chill vent of this compression mod of the present invention, the close institute of the metal derby within described chill movable piece
The side stating air vent is contacted with described chill movable piece, and the side away from described air vent is formed with described chill movable piece
Gap.
Preferably, while the outer surface setting sunk structure of chill fixture and chill movable piece, metal derby periphery
It is provided with and with gap metal derby is installed on chill fixture and chill movable piece.Thus, the exhaust channel of chill vent
Temperature can be from the outer surface of metal derby and side face effectively to outside heat release, and because the periphery of metal derby is provided with gap
And be in heat-insulated state, so the heat of mould will not be absorbed.
In the chill vent of this compression mod of the present invention, described metal derby is equipped with cooling channel.
Wear cooling channel in metal derby, therefore, it is possible to further efficiently to outside heat release, therefore, it is possible to expand
The gap of big exhaust channel.The heat that the high metal derby of pyroconductivity absorbs from exhaust channel is in the air heat release, and remains in gold
The heat belonging in block efficiently will be cooled down by the cooling water of circulation in cooling channel.
In the chill vent of this compression mod of the present invention, the conduction of heat of described metal derby is more than 100W/mK.
Brief description
Fig. 1 is the major part schematic diagram of the preferred embodiment for the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the side schematic view of the metal derby of embodiments of the present invention；
Fig. 4 is the schematic top plan view of the metal derby of embodiments of the present invention；
Fig. 5 is the major part schematic diagram of present invention another kind preferred implementation；
Part description of reference numerals：Chill fixture 1, outer surface 11, chill movable piece 2, outer surface 21, exhaust channel 3,
Metal derby 4, metal derby 5, gap 6, cooling channel 7.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further described.
The present invention be in view of above-mentioned present situation and make, i.e. the chill fixture of chill vent and chill movable piece exist
Continuously undulatory exhaust channel is had on opposite face, in the inside of described chill fixture and chill movable piece, at least divides
It is not embedded with the high metal derby of pyroconductivity, become the construction of the temperature drop making exhaust channel.And, metal derby is being installed
When, while the outer surface depressions of preferably chill fixture and chill movable piece configure, in order to not contact chill fixture and cold
Hard movable piece, is provided with Embedded installation metal derby with gap in periphery.And, " the high metal of pyroconductivity " described in the present invention is
Refer to the metal in more than 100W/mK for its pyroconductivity, such as pyrite, zinc, aluminum, copper, silver or their alloy etc..
Fig. 1 shows embodiments of the present invention view.1 is the chill solid of the instrument steel making of compression mod SKD61 etc.
Determine part, 2 is the chill movable piece of the instrument steel making of SKD61 etc..Described chill fixture 1 and chill movable piece 2 are formed
The recess for installing metal derby 4,5 described later, the outer surface 11,21 of described recess and right flank is had to open.And, described
Installing hole for fixing metal derby 4,5 is equipped with chill fixture 1 and chill movable piece 2.And, described metal derby 4,5
The shape in the face being close to can be corrugated surface shown in the plane shown in Fig. 1 or Fig. 5.And, described in the present invention " outer surface 11,
21 ", in the state of Fig. 1, outer surface 11 refers to upper face, and outer surface 21 refers to lower surface, and they refer both to outward
The face of portion's contact.3 is the opposite face continuously undulatory exhaust channel in chill fixture 1 and chill movable piece 2, this aerofluxus
Path 3 is connected with die cavity.
4th, 5 is embedded made of copper rectangular-shaped metal derby in chill fixture 1 and the inside of chill movable piece 2, institute
State metal derby 4,5 for reducing the temperature of exhaust channel 3.As described metal derby 4,5, in addition to copper, can also be yellow
Copper or aluminum etc..And, the side of metal derby 4,5 be also equipped with described chill fixture 1 and chill movable piece 2 on wear
The corresponding installing hole of installing hole.And the face being close to chill fixture 1 and chill movable piece 2 of described metal derby 4,5, and cold
Hard fixture 1 and chill movable piece 2 are consistent, can be plane as shown in Figure 1 or waveform shape as shown in Figure 5.And institute
The upper surface stating metal derby 4,5 can make waveform shape as shown in Figure 5, thus for the surface area increasing heat release.In addition, institute
The shape stating metal derby 4,5 determines according to the shape of chill fixture 1 and chill movable piece 2, described metal derby 5 can be with institute
State metal derby 4 similar shape and thickness is slightly thinner.
In addition although also there being consideration, that described chill fixture 1 and chill movable piece 2 entirety are changed to pyroconductivity is high
Cu alloy material etc., but in the case of being somebody's turn to do, Cu alloy material etc. is compared to common cooling air bleeding valve material（SKD61 tool steel）Valency
Lattice are high and hardness is weak, therefore easily fusing defect or deformation, and because meeting occurs the crackle life-span shorter, so exhaust capacity
Reduce, need periodically to stop producing and be exhausted the repairing of path 3, reprocessing, productivity reduces, cost increase, existing skill
Do not popularize in art.
6 when being that metal derby 4,5 is installed on chill fixture 1 and chill movable piece 2, from chill fixture 1 and chill
The gap that the side face of the internal face of depression of outer surface 11,21 of movable piece 2 and metal derby 4,5 is formed.This gap 6 defines
Air layer, therefore, it is possible to obtain effect of heat insulation, serves the heat not absorbing mould.7 is that the cooling wearing on metal derby 4,5 is led to
Road, this cooling channel 7 can have and the existing path identical wearing construction.
Hereinafter the mechanism of the present invention is illustrated.First, when originally starting casting, motlten metal is injected into
Die cavity (not shown), motlten metal filling die cavity, and the gas producing pass through exhaust channel 3.Meanwhile, motlten metal from
The entrance side of chill fixture 1 enters.Now, metal derby 4 buries the cold of the present invention with the state of outer surface and perimetered open
On hard fixture 1, metal derby 5 is buried on chill movable piece 2 with the state of outer surface and perimetered open.Then, the row of entering into
The motlten metal of gas path 3 according to before the blank arrowhead direction shown in Fig. 1 so that flow to outlet, by the temperature of this exhaust channel 3
Just rise, but its heat efficiently transmitted by the high metal derby of pyroconductivity 4,5 and to outside heat release.Now, due to gold
Belonging to block 4,5 only has one side to be close to exhaust channel 3, and this is the construction of the heat of a kind of absorption exhaust channel 3, so exothermal effect
Good.And, if being pre-formed cooling channel 7 on metal derby 4,5, exhaust channel 3 can indirectly be cooled down by cooling water,
The gap of so exhaust channel 3 can expand, and improves further and good cast product therefore, it is possible to obtain exhaust effect.And
And, due to being formed with gap around described metal derby 4,5, form air layer, so described metal derby 4,5 can be from aerofluxuss
The heat that path 3 absorbs, will not absorb the heat of mould from chill fixture 1 and chill movable piece 2.
After motlten metal solidification, open mould, and open chill movable piece 2 together, take out die casting product.Then, close mould
Tool, and close chill movable piece 2, as above can similarly inject motlten metal filling die cavity, casting manipulations repeatedly.And, casting
When making, with existing cooling air bleeding valve（Width 50mm, length 130mm）60 DEG C of surface temperature compare, the embodiment party of the present invention
The surface temperature of the cooling air bleeding valve of formula is identified and is reduced to 40 DEG C, can promote the solidification of motlten metal further.
And, compare the cooling air bleeding valve of prior art and the exhaust channel 3 of the cooling air bleeding valve of the present invention, result is,
It is 0.6mm compared to the gap of such as prior art, the present invention carries out the die-cast of aluminum motlten metal with gap for 0.8mm.
And, the present invention uses metal derby 4,5 made of copper, using the structure being formed with cooling channel 7.And, the product of prior art
Tool steel using SKD61.Motlten metal is occurred to flow out with respect to the chill vent of prior art（Blow I）, system of the present invention
Have no in product that motlten metal flows out.And, in the chill vent of prior art product, during casting, solid in exhaust channel 3
The aluminum changed easily snaps off or broken, causes to produce stopping and cleaning fractures or broken aluminum.Compare and this, in inventive article
Have no in exhaust channel 3 solidification aluminum fracture in casting way or broken.
So, with respect in existing product, less than 0.6mm, the gap of exhaust channel 3 of the present invention is identified can will arrange
It is 0.7～1.0mm that gas sectional area increases to gap.Therefore, the exhaust effect of product of the present invention, can compared with prior art product
Improve 40～200 times about, and the temperature of exhaust channel 3 can be reduced, so promoting the solidification of motlten metal and solid
The aluminum etc. changed is thickening and be difficult to fracture or broken, the metal being cast into is easily release, improves productivity.
Claims (3)
1. a kind of chill vent of compression mod, has continuous ripple on the opposite face of chill fixture and chill movable piece
The exhaust channel of shape it is characterised in that the inside of at least described chill fixture and described chill movable piece is embedded with metal derby,
To reduce the temperature of described exhaust channel；Form depression in the outer surface of described chill fixture and described chill movable piece to join
Put described metal derby；Between the side face of the internal face of the depression of the outer surface of chill fixture and chill movable piece and metal derby is formed
Gap；Described metal derby upper surface is corrugated surface.
2. compression mod according to claim 1 chill vent it is characterised in that described metal derby to be equipped with cooling logical
Road.
3. compression mod according to claim 1 chill vent it is characterised in that：The conduction of heat of described metal derby is more than
100W/m K.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-029201 | 2012-02-14 | ||
| JP2012029201A JP2013166154A (en) | 2012-02-14 | 2012-02-14 | Die casting chill vent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102794431A CN102794431A (en) | 2012-11-28 |
| CN102794431B true CN102794431B (en) | 2017-03-01 |
Family
ID=47193877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210286120.3A Active CN102794431B (en) | 2012-02-14 | 2012-08-13 | The chill vent of compression mod |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013166154A (en) |
| CN (1) | CN102794431B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143693A (en) * | 2013-02-07 | 2013-06-12 | 中信戴卡股份有限公司 | Improved exhaust mode and device for pressure casting die |
| CN104399898B (en) * | 2014-12-08 | 2016-06-29 | 广西玉柴机器股份有限公司 | The fixed point cooling exhaust structure of casting mould |
| DE102017123470A1 (en) * | 2017-10-10 | 2019-04-11 | Raskopf GmbH Sauerländer Werkzeugfabrik | Apparatus for producing castings of metal |
| CN108580837B (en) * | 2018-07-05 | 2020-05-19 | 苏州广型模具有限公司 | Cooling type vacuum pumping head for high-pressure casting die |
| CN110538967A (en) * | 2019-09-11 | 2019-12-06 | 浙江今飞摩轮有限公司 | Sprue spreader and casting mold |
| CN114309532B (en) * | 2021-11-26 | 2024-04-26 | 芜湖禾田汽车工业有限公司 | Die casting die for aluminum alloy damping tower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220925A (en) * | 1997-11-20 | 1999-06-30 | 日本碍子株式会社 | Chill vent |
| CN1638895A (en) * | 2001-05-24 | 2005-07-13 | 株式会社丰田自动织机 | Die cast mold |
| JP2008114235A (en) * | 2006-11-01 | 2008-05-22 | Aru Work Kk | Die casting apparatus, sleeve, chill vent, and die casting method |
| CN101456071A (en) * | 2009-01-07 | 2009-06-17 | 中信戴卡轮毂制造股份有限公司 | Bottom die thermal shield |
| JP2010172898A (en) * | 2009-01-27 | 2010-08-12 | Japan Mold Trade:Kk | Venting device of chill vent for die casting |
| JP2011212693A (en) * | 2010-03-31 | 2011-10-27 | Jatco Ltd | Venting structure of injection molding apparatus |
-
2012
- 2012-02-14 JP JP2012029201A patent/JP2013166154A/en active Pending
- 2012-08-13 CN CN201210286120.3A patent/CN102794431B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220925A (en) * | 1997-11-20 | 1999-06-30 | 日本碍子株式会社 | Chill vent |
| CN1638895A (en) * | 2001-05-24 | 2005-07-13 | 株式会社丰田自动织机 | Die cast mold |
| JP2008114235A (en) * | 2006-11-01 | 2008-05-22 | Aru Work Kk | Die casting apparatus, sleeve, chill vent, and die casting method |
| CN101456071A (en) * | 2009-01-07 | 2009-06-17 | 中信戴卡轮毂制造股份有限公司 | Bottom die thermal shield |
| JP2010172898A (en) * | 2009-01-27 | 2010-08-12 | Japan Mold Trade:Kk | Venting device of chill vent for die casting |
| JP2011212693A (en) * | 2010-03-31 | 2011-10-27 | Jatco Ltd | Venting structure of injection molding apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102794431A (en) | 2012-11-28 |
| JP2013166154A (en) | 2013-08-29 |
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