CN207521649U - The sand mould structure of automobile dynamic system bent axle - Google Patents
The sand mould structure of automobile dynamic system bent axle Download PDFInfo
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- CN207521649U CN207521649U CN201721561291.7U CN201721561291U CN207521649U CN 207521649 U CN207521649 U CN 207521649U CN 201721561291 U CN201721561291 U CN 201721561291U CN 207521649 U CN207521649 U CN 207521649U
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- riser
- bent axle
- sprue
- dynamic system
- cross gate
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Abstract
The utility model provides a kind of sand mould structure of automobile dynamic system bent axle, including sand mold ontology, there are five casting cavities on the sand mold ontology, the flange end of each casting cavity is respectively communicated with a riser, and the riser is connected using intermediate pouring-in connection with ingate, and ingate connects in pairs with a cross gate, cross gate sets two filters with sprue transition position, the sprue is connect with sprue cup, and all running channels buffer molten iron using overlapping mode, reach steady flow result.The utility model places product cavity as much as possible on limited template face, improves product yield；Riser and ingate increase resistance of the molten metal in flow process using intermediate pouring-in connection, running channel using multistage cross gate overlapping mode, and it is steady to be allowed to fill type, reduces sand washing risk, rate of reducing the number of rejects and seconds improves production efficiency.
Description
Technical field
The utility model is related to auto parts casting field more particularly to a kind of raising yield rate, rate of reducing the number of rejects and seconds improves
The sand mould structure stable flow type running gate system of the automobile dynamic system bent axle of production efficiency.
Background technology
Bent axle is one of key components and parts of automobile dynamic system, and performance quality directly affects the performance of engine
And service life.Bent axle needs to bear moment of flexure, torque and the impact of larger load when working, and common failure mode is tired to be bent
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 increasingly higher demands.
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, its performance has the performance and service life of engine
Significant impact.So big yield, high quality requires so that the production capacity of manufacturing enterprise is faced with stern challenge.
The similar product of our company traditional handicraft casting at present, using four process layouts of a mould, product yield 45%.It pours
Road plane figure, there is sand washing phenomenon, and ingate keeps away slag effect unobvious, rejection rate 10% or so.Cast-internal sand holes surpass simultaneously
Go out Customer Standard requirement, processing rejection rate remains high, not only often complains by client, while also results in company's production labor
The significant wastage of dynamic cost.
It is therefore desirable to design a kind of new i.e. guarantee product quality, rate of reducing the number of rejects and seconds, and it can utmostly utilize type
Product yield is improved in plate space, improves the die crank running gate system of production capacity.
Utility model content
The technical problems to be solved in the utility model is：In view of various deficiencies of prior art described above, this practicality is new
Type technical problems to be solved are to provide a kind of sand mould structure pour mass of automobile dynamic system bent axle, using five works of a mould
Skill is laid out, and using overlap joint stable flow type running gate system, improves product yield, rate of reducing the number of rejects and seconds improves production efficiency.
Technical solution is used by the utility model solves its technical problem：To achieve the above object and other related mesh
, the utility model provides a kind of sand mould structure pour mass of automobile dynamic system bent axle, which includes sand mold ontology, casting
Part cavity, riser, ingate, two level cross gate, level-one cross gate, sprue, sprue cup；Five are provided on the sand mold ontology
A casting cavity, five casting cavity combination of two are three groups of casting groups, each casting cavity respectively with a riser phase
Connection, the riser are connected using intermediate pouring-in connection with ingate, and every group of ingate is used with two level cross gate and overlapped
Mode connects, and level-one cross gate sets two filters with sprue transition position, and the sprue is connect with sprue cup, each running channel
Between using thin slice overlapping mode connection buffering molten iron.
Preferably, the riser is connected by riser neck structure with casting cavity.
Preferably, using intermediate pouring-in connection, the choked flow sectional area of ingate is 294mm for the ingate and riser2。
Preferably, the ingate is connected with two level cross gate using overlapping mode, two connect with single group ingate
The choked flow sectional area of grade cross gate is 550mm2。
Preferably, the choked flow sectional area of the level-one cross gate being connect with two level cross gate is 616mm2。
Preferably, the choked flow sectional area of the sprue is 1925mm2。
Preferably, the filter is foam ceramic filter, and the appearance and size of length × width x thickness of the foam ceramic filter is
66mm × 66mm × 12.5mm, sprue diameter 50mm.
The beneficial effects of the utility model are the sand mould structure cast of automobile dynamic system bent axle provided by the utility model
There are five casting cavities on each sand mold ontology for body, improve product yield to about 52%；During riser is used with ingate
Between pouring-in connection, running channel increases resistance of the molten metal in flow process using multistage cross gate overlapping mode, is allowed to fill type
Steadily, sand washing risk, rate of reducing the number of rejects and seconds to about 6% are reduced；And processing rejection rate drops to 2% hereinafter, reduction production cost, carries
High client quality performance.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the sand mould structure injection system structure schematic diagram of the utility model automobile dynamic system bent axle；
Fig. 2 is the structure diagram of sprue and sprue cup.
1 in figure, sand mold ontology, 2, casting cavity, 3, riser, 4, ingate, 5, two level cross gate, 6, level-one cross gate,
7th, sprue, 8, sprue cup.
Specific embodiment
Illustrate the embodiment of the utility model 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 utility model easily.
It please refers to Fig.1.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating
The revealed content of 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 influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model institute
The technology contents of announcement are obtained in the range of covering.
As shown in Figure 1, the sand mould structure pour mass of the automobile dynamic system bent axle of the utility model, including sand mold ontology 1,
Casting cavity 2, riser 3, ingate 4, two level cross gate 5, level-one cross gate 6, sprue 7, sprue cup 8；It is put on sand mold ontology 1
It puts there are five casting cavity 2, five 2 combination of two of casting cavity are three groups.Each casting cavity 2 is respectively communicated with a riser 3,
Riser 3 using it is intermediate it is pouring-in is connect with ingate 4, be 294mm according to the choked flow sectional area of every group of ingate 4 is calculated2。
Ingate 4 is connected with corresponding two level cross gate 5 using joint form, according to the choked flow section that two level cross gate 5 is calculated
Product is 550mm2.Two level cross gate 5 is connected with level-one cross gate 6, is according to the choked flow sectional area for being calculated level-one cross gate 6
616mm2.Level-one cross gate 6 is connected with corresponding sprue 7, is according to the choked flow sectional area for being calculated sprue 7
1962mm2.Sprue 7 is connected with sprue cup 8.
As further improvement of the utility model, riser 3 is connected by riser neck structure with cavity, and casting modulus is
8.8mm (modulus=volume/surface area), feeder modulus 9.5mm, the modulus of riser neck structure is 6mm, can meet casting
The requirement of internal porosity, while improve product yield.
Using the sand mould structure pour mass of automobile dynamic system bent axle provided by the utility model, automobile dynamic system is poured into a mould
During automatic modeling crankshaft casting can five casting of one-pass molding, since Feeder Design is reasonable, internal soundness (shrinkage porosite situation) is satisfied；Production
The product yield of product will be increased to 52% from original 45%, and rejection rate is reduced to 6% by 10%, greatly improve production effect
Rate reduces production cost.
In conclusion there are one riser on each sand mold cavity for sand mould structure provided by the utility model, can to the greatest extent may be used
Meet the internal porosity requirement of casting under the premise of riser that can be few；Using intermediate pouring-in connection, running channel is adopted for riser and ingate
Increase resistance of the molten metal in flow process with multistage cross gate overlapping mode, it is steady to be allowed to fill type, reduces sand washing risk, drop
Low rejection rate；So the utility model effectively overcomes original technologic insufficient and has high industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. a kind of sand mould structure of automobile dynamic system bent axle, it is characterised in that：Including sand mold ontology (1), casting cavity (2),
Riser (3), ingate (4), two level cross gate (5), level-one cross gate (6), sprue (7) and sprue cup (8)；The sand mold sheet
Setting is three groups of casting groups there are five casting cavity (2), five casting cavity (2) combination of two on body (1), each described
Casting cavity (2) is connected respectively with a riser (3), and the riser (3) is connected using intermediate pouring-in connection with ingate (4)
Logical, all ingates (4) are connected with two level cross gate (5) using upper and lower bridging type, and all two level cross gates (5) are horizontal with level-one
Running channel (6) is connected, and level-one cross gate (6) sets two filters with sprue (7) transition position, and the sprue (7) is with pouring
Cup (8) connects, and is connected between each running channel using thin slice overlapping mode.
2. the sand mould structure of automobile dynamic system bent axle according to claim 1, which is characterized in that the riser (3) is logical
Riser neck structure is crossed to connect with casting cavity (2).
3. the sand mould structure of automobile dynamic system bent axle according to claim 2, which is characterized in that the riser neck structure
Modulus be 6mm.
4. the sand mould structure of automobile dynamic system bent axle according to claim 1, which is characterized in that the ingate (4)
It is connect with riser (3) bottom filling overlapping mode, the choked flow sectional area of ingate (4) is 294mm2。
5. the sand mould structure of automobile dynamic system bent axle according to claim 1, which is characterized in that described with being poured in single group
The choked flow sectional area of the two level cross gate (5) of road connection is 550mm2。
6. the sand mould structure of automobile dynamic system bent axle according to claim 1, which is characterized in that it is described with two level is horizontal pours
The choked flow sectional area of the level-one cross gate (6) of road (5) connection is 616mm2。
7. the sand mould structure of automobile dynamic system bent axle according to claim 1, which is characterized in that the sprue (7)
Choked flow sectional area be 1962mm2。
8. the sand mould structure of automobile dynamic system bent axle according to claim 1, which is characterized in that the filter is pottery
Porcelain filter screen, the appearance and size of length × width x thickness of the foam ceramic filter are 66mm × 66mm × 12.5mm, the sprue
(7) diameter 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561291.7U CN207521649U (en) | 2017-11-20 | 2017-11-20 | The sand mould structure of automobile dynamic system bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561291.7U CN207521649U (en) | 2017-11-20 | 2017-11-20 | The sand mould structure of automobile dynamic system bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207521649U true CN207521649U (en) | 2018-06-22 |
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ID=62583119
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721561291.7U Active CN207521649U (en) | 2017-11-20 | 2017-11-20 | The sand mould structure of automobile dynamic system bent axle |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176822A (en) * | 2017-11-20 | 2018-06-19 | 上海圣德曼铸造海安有限公司 | The sand mould structure of automobile dynamic system bent axle |
| CN108723294A (en) * | 2018-07-10 | 2018-11-02 | 上海圣德曼铸造海安有限公司 | The sand mould structure of automobile engine system bearing cap |
| CN110653345A (en) * | 2018-06-29 | 2020-01-07 | 丹佛斯（天津）有限公司 | Sand core assembly and method for forming sand core assembly through 3D printing |
| CN111687376A (en) * | 2020-06-29 | 2020-09-22 | 肥城市宇通机械有限公司 | Bottom pouring cap structure |
-
2017
- 2017-11-20 CN CN201721561291.7U patent/CN207521649U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176822A (en) * | 2017-11-20 | 2018-06-19 | 上海圣德曼铸造海安有限公司 | The sand mould structure of automobile dynamic system bent axle |
| CN110653345A (en) * | 2018-06-29 | 2020-01-07 | 丹佛斯（天津）有限公司 | Sand core assembly and method for forming sand core assembly through 3D printing |
| CN110653345B (en) * | 2018-06-29 | 2024-05-31 | 丹佛斯（天津）有限公司 | Sand core assembly and method for forming sand core assembly through 3D printing |
| CN108723294A (en) * | 2018-07-10 | 2018-11-02 | 上海圣德曼铸造海安有限公司 | The sand mould structure of automobile engine system bearing cap |
| CN111687376A (en) * | 2020-06-29 | 2020-09-22 | 肥城市宇通机械有限公司 | Bottom pouring cap structure |
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