CN206839061U - A kind of core chill mould for accelerating aluminium liquid solidification - Google Patents

A kind of core chill mould for accelerating aluminium liquid solidification Download PDF

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Publication number
CN206839061U
CN206839061U CN201720778051.6U CN201720778051U CN206839061U CN 206839061 U CN206839061 U CN 206839061U CN 201720778051 U CN201720778051 U CN 201720778051U CN 206839061 U CN206839061 U CN 206839061U
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China
Prior art keywords
chill
mould
core
aluminium liquid
sprue gate
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CN201720778051.6U
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Chinese (zh)
Inventor
孟宪睿
张宏杰
王延铸
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Laizhou New Anda Beijing Great Automotive Components Co Ltd
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Laizhou New Anda Beijing Great Automotive Components Co Ltd
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Abstract

The utility model discloses a kind of core chill mould for accelerating aluminium liquid solidification, including lower mould, upper mould;Upper mould is placed on lower mould, and chill forming cavity is internally formed between lower mould and upper mould;Chill sprue gate corresponding with chill forming cavity is provided with upper mould.The utility model can prepare chill, and chill can be gathered materials on the spot using aluminium chill, it is not necessary to and it is particularly customized, and also the chill damaged can melt down and cast again, reduce the cost of manufacture of chill.Cooling velocity is improved because the thermal conductivity factor of aluminium is larger, during for chill to be made, has the advantages that to cool down that depth is big, speed is fast, it is possible to increase cooling effectiveness, ensures Internal Quality of Cast, reduces shrinkage porosite incidence.After chill, the shrinkage porosite incidence at bolt hole position, it is reduced to by 80% less than 1%.

Description

A kind of core chill mould for accelerating aluminium liquid solidification
Technical field
A kind of mould is the utility model is related to, is especially a kind of core chill shaping mould for accelerating aluminium liquid solidification Tool.
Background technology
The aluminium alloy castings produced at present, in casting process, most common problem is shrinkage defect, i.e., aluminium alloy is by liquid When state is solidified as solid-state, volume contraction, if supplemented in time without aluminium liquid, shrinkage porosite will result in.
However, for the thicker position of casting, the problem of due to design of part, rising head can not be often set, thus Feeding can not be carried out to thicker position, shrinkage porosite certainly will be will also result in.
At present, the cooling of thicker position should be just to speed up to another method of shrinkage porosite makes it not need rising head to mend Contracting;But this mode just needs to increase cooling structure;Common chill is irony, produces in enormous quantities, it is necessary to customize, improves into This.
A kind of current thermostat housing part, it is bigger that bolt hole goes out wall thickness, up to 20mm thickness, housing wall thickness 5mm, wall thickness Difference is big, and outside cooling is insufficient to allow aluminium liquid quickly to cool down, therefore is also required to inside and also cools down.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provide herein a kind of core chill for accelerating aluminium liquid solidification into Pattern has.The utility model can prepare chill, and chill can be gathered materials on the spot using aluminium chill, it is not necessary to and it is particularly customized, and The chill of damage can melt down to be cast again, reduces the cost of manufacture of chill.
The utility model is accomplished by the following way, and constructs a kind of core chill mould for accelerating aluminium liquid solidification, bag Include lower mould, upper mould;Upper mould is placed on lower mould, and chill forming cavity is internally formed between lower mould and upper mould;Be provided with upper mould with it is cold Chill sprue gate corresponding to iron forming cavity.
As the improvement of above-mentioned technical proposal, a kind of core chill mould for accelerating aluminium liquid solidification, chill pours Geat includes chill sprue gate A and chill sprue gate B, through positioned at upper mould both sides.
As the improvement of above-mentioned technical proposal, a kind of core chill mould for accelerating aluminium liquid solidification, under upper mould Square Central Symmetry is provided with dowel hole.
As the improvement of above-mentioned technical proposal, a kind of core chill mould for accelerating aluminium liquid solidification, under upper mould Two dowel holes of Fang Kaiyou, it is provided with respectively positioned at chill sprue gate A and chill sprue gate B outside, the diagonal angle of lower mould The projection being engaged with described two dowel holes, make upper mould cover together on lower mould.
As the improvement of above-mentioned technical proposal, a kind of core chill mould for accelerating aluminium liquid solidification, upper mould Lower surface has male end, has inner groovy corresponding with the male end of upper mould in lower mould.
As the improvement of above-mentioned technical proposal, a kind of core chill mould for accelerating aluminium liquid solidification is described cold The cross sectional shape that iron sprue gate includes chill sprue gate A and chill sprue gate B is arc, and the direction at two sprue gates differs 180 Degree.
The utility model has the following advantages that:
1st, chill can be prepared by the utility model, chill can gather materials on the spot using aluminium chill, it is not necessary to especially fixed System, and the chill damaged can melt down and cast again, reduce the cost of manufacture of chill.
2nd, cooling velocity is improved because the thermal conductivity factor of aluminium is larger, during for chill to be made, has that cooling depth is big, speed Spend the advantages that fast, it is possible to increase cooling effectiveness, ensure Internal Quality of Cast, reduce shrinkage porosite incidence.After chill, spiral shell The shrinkage porosite incidence at keyhole position, is reduced to less than 1% by 80%.
Brief description of the drawings
Fig. 1 is chill mould combination diagram of the present utility model;
Fig. 2 is upper mould schematic diagram of the present utility model;
Fig. 3 is the dowel hole schematic diagram below upper mould of the present utility model;
Fig. 4 is lower mould schematic diagram of the present utility model;
Fig. 5 is chill cast schematic diagram of the present utility model.
Wherein:Lower mould 1, upper mould 2, upper mould upper surface 2a, chill sprue gate A3, chill sprue gate B4, alignment pin 5, chill Position 6, chill forming cavity 7, dowel hole 8, male end 9, inner groovy 10, projection 11.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing 1- Fig. 5, to the skill in the utility model embodiment Art scheme is clearly and completely described, it is clear that and described embodiment is only the utility model part of the embodiment, and The embodiment being not all of.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creativeness The every other embodiment obtained under the premise of work, belong to the scope of the utility model protection.
The utility model provides a kind of core chill mould for accelerating aluminium liquid to solidify herein by improving, as schemed institute Show, can be practiced as follows;Including lower mould 1 and upper mould 2;Upper mould 2 is placed on lower mould 1, lower mould 1 and upper mould 2 it Between be internally formed chill forming cavity 7;Chill sprue gate corresponding with chill forming cavity 7, chill position 6 are provided with upper mould 2 In in chill forming cavity 7.
A kind of core chill mould for accelerating aluminium liquid solidification described in the utility model, chill sprue gate is poured including chill Geat A3 and chill sprue gate B4;Through positioned at the upper upper surface 2a of mould 2, two sprue gates, the chamber of a mould two, 2 can be poured into a mould simultaneously, For the benefit of matched moulds, the direction difference 180 degree at two sprue gates.
As shown in figure 3, a kind of core chill mould for accelerating aluminium liquid solidification described in the utility model, the upper lower section of mould 2 Two dowel holes 8 are provided with diagonal, respectively positioned at chill sprue gate A3 and chill sprue gate B4 outside, pair of lower mould 1 The projection 11 being engaged with described two dowel holes 8 is provided with angle, mould 2 is covered on lower mould 1, the work of alignment pin 5 Be used for assemble running gate system.
A kind of core chill mould for accelerating aluminium liquid solidification described in the utility model, the lower surface of upper mould 2 is with outer Nose 9, lower mould 1 is interior to have inner groovy 10 corresponding with the male end 9 of upper mould 2, sets the effect of male end 9 and inner groovy 10 and is Guiding can be played a part of during matched moulds, be not so difficult the position for aligning alignment pin beneficial to matched moulds.
A kind of core chill mould for accelerating aluminium liquid solidification described in the utility model, the diagonal angle of lower mould 1 are provided with Projection 11, the assembling positioning action as upper and lower mould.Alignment pin 5 is used to assemble running gate system.Internal core is inconvenient to install Cooling structure, therefore gather materials on the spot, without using the chill of irony, it is mounted to using the chill of aluminum casting on core;Using Cheng Zhong, chill position 6 is reserved on core, the shape as mold cavity above, then casting chill is taken out, polishing It is encased in afterwards in the chill forming cavity 7 on core, chill is mounted on the core produced by another set of core mould, Reserved on core with an equal amount of locus of chill, core cavity shape is referring to die profile, chill forming cavity It is that solidification is slow when some thicker big position is due to casting according to product, easily causes shrinkage porosite casting flaw, is selected from thick big position Take out block space position inner chamber appropriate section in contact and make chill chamber shape, after chill is adhered on core so that What is contacted during cast with aluminium liquid is chill rather than core, in favor of quick solidification, avoids casting flaw, with adhesive by chill Specified each position is adhered to, after waiting adhesive cooling, chill is fastened on core, thus can directly be cast.So have Have the advantages that cooling depth is big, speed is fast, it is possible to increase cooling effectiveness, ensure Internal Quality of Cast, reduce shrinkage porosite incidence. After chill, the shrinkage porosite incidence at bolt hole position, it is reduced to by 80% less than 1%.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (6)

  1. A kind of 1. core chill mould for accelerating aluminium liquid solidification, it is characterised in that:Including lower mould(1), upper mould(2);Upper mould (2)It is placed in lower mould(1)On, lower mould(1)With upper mould(2)Between be internally formed chill forming cavity(7);Upper mould(2)On be provided with Chill forming cavity(7)Corresponding chill sprue gate.
  2. A kind of 2. core chill mould for accelerating aluminium liquid solidification according to claim 1, it is characterised in that:Chill is poured into a mould Mouth includes chill sprue gate A(3)With chill sprue gate B(4), through positioned at upper mould(2)Both sides.
  3. A kind of 3. core chill mould for accelerating aluminium liquid solidification according to claim 2, it is characterised in that:Upper mould(2) Lower central is symmetrically provided with dowel hole(8).
  4. A kind of 4. core chill mould for accelerating aluminium liquid solidification according to claim 1, it is characterised in that:Upper mould(2) Lower section is provided with two dowel holes(8), respectively positioned at chill sprue gate A(3)With chill sprue gate B(4)Outside, lower mould(1) Diagonal angle be provided with and described two dowel holes(8)The projection being engaged(11), make mould(2)It is covered on lower mould(1)On.
  5. A kind of 5. core chill mould for accelerating aluminium liquid solidification according to claim 1, it is characterised in that:Upper mould(2) Lower surface there is male end(9), lower mould(1)It is interior to have and upper mould(2)Male end(9)Corresponding inner groovy(10).
  6. A kind of 6. core chill mould for accelerating aluminium liquid solidification according to claim 5, it is characterised in that:The chill Sprue gate includes chill sprue gate A(3)With chill sprue gate B(4)Cross sectional shape be arc, the direction difference at two sprue gates 180 degree.
CN201720778051.6U 2017-06-30 2017-06-30 A kind of core chill mould for accelerating aluminium liquid solidification Active CN206839061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720778051.6U CN206839061U (en) 2017-06-30 2017-06-30 A kind of core chill mould for accelerating aluminium liquid solidification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720778051.6U CN206839061U (en) 2017-06-30 2017-06-30 A kind of core chill mould for accelerating aluminium liquid solidification

Publications (1)

Publication Number Publication Date
CN206839061U true CN206839061U (en) 2018-01-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108746534A (en) * 2018-06-23 2018-11-06 共享装备股份有限公司 Casting is with can combine chill
CN108971430A (en) * 2018-08-17 2018-12-11 襄汾县福康铸造有限责任公司 A kind of crankshaft iron die sand casting process and its swage device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108746534A (en) * 2018-06-23 2018-11-06 共享装备股份有限公司 Casting is with can combine chill
CN108971430A (en) * 2018-08-17 2018-12-11 襄汾县福康铸造有限责任公司 A kind of crankshaft iron die sand casting process and its swage device

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