CN207103754U - The sand mould structure pour mass of automobile dynamic system bent axle shell mould - Google Patents
The sand mould structure pour mass of automobile dynamic system bent axle shell mould Download PDFInfo
- Publication number
- CN207103754U CN207103754U CN201721052294.8U CN201721052294U CN207103754U CN 207103754 U CN207103754 U CN 207103754U CN 201721052294 U CN201721052294 U CN 201721052294U CN 207103754 U CN207103754 U CN 207103754U
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- sand
- casting die
- sprue
- bent axle
- die cavity
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Abstract
The utility model provides a kind of sand mould structure pour mass of automobile dynamic system bent axle shell mould, including sand mold body, casting die cavity, rising head, ingate, cross gate, sprue, sprue cup, chill, two casting die cavities are symmetrically shown on the sand mold body, a rising head is respectively communicated with above each casting die cavity, place chill in the overheat position of each casting die cavity, the casting die cavity is connected using bottom filling connection with ingate, all ingates are connected with a cross gate, the cross gate is connected with sprue, the sprue is connected with sprue cup.The utility model replaces green-sand technique productions bent axle using device for sand coated iron mould technology generations, the critical product characteristic such as product material, size, dynamic balancing is effectively ensured, while improve product appearance, improve product quality, grinding process workload is reduced, rate of reducing the number of rejects and seconds, achieves significant economic benefit.
Description
Technical field
It the utility model is related to auto parts casting field, more particularly to a kind of optimization automobile dynamic system Production of Crankshaft mistake
Journey, improve Internal Quality of Cast, improve product appearance automobile dynamic system bent axle shell mould sand mould structure pour mass.
Background technology
Bent axle is one of key components and parts of automobile dynamic system, and its performance quality directly affects the performance of engine
And service life.Bent axle needs to bear moment of flexure, moment of torsion and the impact of larger load when working, and common failure mode is tired to bend
Labor is broken and journal wear.Therefore it is required that bent axle material has higher rigidity and fatigue strength and good wear resistance
Energy.Particularly turbocharged engine recent years application increases, to bent axle inherent quality and semifinished product precision and black skin
Roughness proposes higher and higher requirement.
Automobile dynamic system bent axle is the product of a hardware and software platform, be can be applicable in more money vehicles, the demand of this product
It is very big.Bent axle is also one of important parts on engine, and its performance has to the performance and service life of engine
Significant impact.So big yield, high quality require to cause the production capacity of manufacturing enterprise to be faced with stern challenge.
The like product of traditional handicraft casting at present, using clay green-sand technique, crankshaft surface is coarse, and sand holes waste product is inclined
Height, internal defect defect can not solve, and material can not obtain effective guarantee.Not only product quality is difficult to improve, and economic effect
It is beneficial low, waste company's productive labor cost；
It is therefore desirable to design a kind of new i.e. guarantee product quality, improve product yield, rate of reducing the number of rejects and seconds, can carry again
The housing mould running gate system of high production capacity.
Utility model content
Technical problem：A variety of deficiencies of prior art, the technical problems to be solved in the utility model exist in view of the above
In providing a kind of sand mould structure pour mass of automobile dynamic system bent axle shell mould, ensureing critical product characteristic, rate of reducing the number of rejects and seconds
While improve production efficiency.
Technical scheme：In order to achieve the above objects and other related objects, the utility model provides a kind of automobile dynamic system
The sand mould structure pour mass of bent axle shell mould, in including sand mold body, casting die cavity, rising head, ingate, cross gate, sprue, pour
Cup, chill, two casting die cavities are symmetrically shown on the sand mold body, one is respectively communicated with above each casting die cavity
Chill is placed in individual rising head, the overheat position of each casting die cavity, and the casting die cavity is connected using bottom filling and ingate
Connection, all ingates are connected with a cross gate, and the cross gate is connected with sprue, the sprue and sprue cup
Connection.
Preferably, the sand mold body 1 uses precoated sand material, is heating and curing technique using shell mould.
Preferably, the rising head 3 is connected by rising head neck structure with casting die cavity 2.
Preferably, chill 8 is placed in the overheat position of each casting die cavity 2, respectively in four connecting rod necks
At side and the 3rd trunnion.
Preferably, the choked flow sectional area of the ingate 4 is：FIt is interior=314mm2。
Preferably, the choked flow sectional area of the cross gate 5 is：FIt is horizontal=700mm2。
Preferably, the choked flow sectional area of the sprue 6 is：FDirectly=490mm2。
Beneficial effect：By above technical scheme, the utility model has following technique effect compared to prior art：
The utility model provides the sand mould structure pour mass of automobile dynamic system bent axle shell mould, uses coated sand technology system
Shell, mould surface quality optimization can be made, sand mold intensity improves, and ensures product appearance and size progress, rate of reducing the number of rejects and seconds；Each sand
There is 1 rising head on type body, the internal porosity of casting can be met under the premise of rising head as few as possible, while also improve technique
Yield rate；Chill is placed in the overheat position of each casting die cavity, improves iron liquid solidification sequence, and it is loose scarce to solve interiors of products
Fall into, improve product performance.
The utility model uses overlay film sand molding process, and combines bottom filling technique, not only meets internal porosity requirement,
The critical product characteristic such as product material, size, dynamic balancing is effectively ensured, while improves product appearance, improves product quality, reduces
Grinding process workload, rate of reducing the number of rejects and seconds, achieve significant economic benefit.
Brief description of the drawings
Fig. 1 is shown as the structural representation of the utility model preferred embodiment.
Have in figure：Sand mold body 1, casting die cavity 2, rising head 3, ingate 4, cross gate 5, sprue 6, sprue cup 7, chill
8。
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
Refer to Fig. 1.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating
Content disclosed in specification, so that those skilled in the art understands and reads, being not limited to the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influenceing the effect of the utility model can be generated and the purpose that can reach, all should still fall in the utility model institute
The technology contents of announcement are obtained in the range of covering.Meanwhile in this specification it is cited as " on ", " under ", "left", "right",
The term of " centre " and " one " etc., understanding for narration is merely convenient to, and is not used to limit the enforceable scope of the utility model,
Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in figure 1, the sand mould structure pour mass of automobile dynamic system bent axle shell mould of the present utility model, including sand mold sheet
Body 1, casting die cavity 2, rising head 3, ingate 4, cross gate 5, sprue 6, sprue cup 7, chill 8, symmetrically show on sand mold body 1
Two casting die cavities 2, two casting die cavities 2 connect two ingates 4 respectively.The upper end of each casting die cavity 2 is respectively communicated with one
Individual rising head 3, it is according to the choked flow sectional area for being calculated ingate 4：FIt is interior=314mm2.By the ingate 4 of bottom with it is corresponding
Cross gate 5 connect, be according to the choked flow sectional area for being calculated cross gate 5：FIt is horizontal=700mm2.Cross gate 5 with it is corresponding straight
Running channel 6 connects, and is according to the choked flow sectional area for being calculated sprue 6：FDirectly=490mm2.Sprue 6 connects with sprue cup 7.
As further improvement of the utility model, rising head 3 is by rising head neck structure and die cavity UNICOM, the volume of rising head
476cm3, the requirement of the internal porosity of casting can be met, while improve product yield.
, can be once when pouring into a mould dynamical system automatic modeling crankshaft casting using device for sand coated iron mould technique productions application provided by the utility model
2 casting are molded, because Feeder Design is reasonable, internal soundness (shrinkage porosite situation) is met；The product yield of product will
50% is brought up to from original 45%, percent defective is reduced to 3% by 6%；Greatly improve production efficiency.Overlay film sand mold thermal diffusivity
Can be good, iron liquid cooling velocity is fast, and interiors of products tissue is excellent；Its structural strength is high, and fine size, product appearance is smooth, and sand holes lack
Sag drop, percent defective declines, and reduces production cost.
In summary, sand mould structure provided by the utility model has 1 rising head on each sand mold body, can be as far as possible
Meet the internal porosity requirement of casting under the premise of few rising head；Casting die cavity is connected with ingate using bottom filling, reduces sand washing
Risk, rate of reducing the number of rejects and seconds；So the utility model effectively overcomes original technologic deficiency and has high industrial exploitation value
Value.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (7)
1. a kind of sand mould structure pour mass of automobile dynamic system bent axle shell mould, it is characterised in that including sand mold body（1）, casting
Die cavity（2）, rising head（3）, ingate（4）, cross gate（5）, sprue（6）, sprue cup（7）, chill（8）, the sand mold body
（1）In with sprue（6）Two casting die cavities are provided with for formed symmetrical（2）, each casting die cavity（2）Top be respectively communicated with one
Individual rising head（3）, each casting die cavity（2）Overheat position place chill（8）, the casting die cavity（2）Using bottom filling
Connection and ingate（4）Connection, all ingates（4）With a cross gate（5）It is connected, the cross gate（5）With sprue
（6）It is connected, sprue（6）Upper end and sprue cup（7）Connection.
2. the sand mould structure pour mass of automobile dynamic system bent axle shell mould according to claim 1, it is characterised in that described
Sand mold body（1）Using precoated sand material, it is heating and curing using shell mould.
3. the sand mould structure pour mass of automobile dynamic system bent axle shell mould according to claim 1, it is characterised in that described
Rising head（3）Pass through rising head neck structure and casting die cavity（2）Connection.
4. the sand mould structure pour mass of automobile dynamic system bent axle shell mould according to claim 1, it is characterised in that described
Each casting die cavity（2）Overheat position place chill（8）, respectively positioned at four connecting rod necks inner sides and the 3rd trunnion
Place.
5. the sand mould structure pour mass of automobile dynamic system bent axle shell mould according to claim 1, it is characterised in that described
Ingate（4）Choked flow sectional area be：FIt is interior=314mm2。
6. the sand mould structure pour mass of automobile dynamic system bent axle shell mould according to claim 1, it is characterised in that described
Cross gate（5）Choked flow sectional area be：FIt is horizontal=700mm2 。
7. the sand mould structure pour mass of automobile dynamic system bent axle shell mould according to claim 1, it is characterised in that described
Sprue（6）Choked flow sectional area be：FDirectly=490mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052294.8U CN207103754U (en) | 2017-08-21 | 2017-08-21 | The sand mould structure pour mass of automobile dynamic system bent axle shell mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052294.8U CN207103754U (en) | 2017-08-21 | 2017-08-21 | The sand mould structure pour mass of automobile dynamic system bent axle shell mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207103754U true CN207103754U (en) | 2018-03-16 |
Family
ID=61570308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721052294.8U Expired - Fee Related CN207103754U (en) | 2017-08-21 | 2017-08-21 | The sand mould structure pour mass of automobile dynamic system bent axle shell mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207103754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309399A (en) * | 2017-08-21 | 2017-11-03 | 上海圣德曼铸造海安有限公司 | The sand mould structure pour mass of automobile dynamic system bent axle shell mould |
| CN108856654A (en) * | 2018-06-26 | 2018-11-23 | 康诺精工有限公司 | A kind of water-cooling middle extremely casting technique |
-
2017
- 2017-08-21 CN CN201721052294.8U patent/CN207103754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309399A (en) * | 2017-08-21 | 2017-11-03 | 上海圣德曼铸造海安有限公司 | The sand mould structure pour mass of automobile dynamic system bent axle shell mould |
| CN108856654A (en) * | 2018-06-26 | 2018-11-23 | 康诺精工有限公司 | A kind of water-cooling middle extremely casting technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |