CN207695572U - The sand mould structure of automobile driving system differential casing - Google Patents
The sand mould structure of automobile driving system differential casing Download PDFInfo
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- CN207695572U CN207695572U CN201721559892.4U CN201721559892U CN207695572U CN 207695572 U CN207695572 U CN 207695572U CN 201721559892 U CN201721559892 U CN 201721559892U CN 207695572 U CN207695572 U CN 207695572U
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Abstract
The utility model provides a kind of sand mould structure pour mass of automobile driving system differential casing, 12 casting cavities are provided on the sand mold ontology, 12 casting cavities are combined as four casting groups, each casting cavity is connected with two riser and two ingates respectively, three sand cores are placed between three casting cavities of every group of casting group, the main riser is connected to using bottom filling connection with ingate, cold riser is individually together with cavity at every group one, ingate is connected to a cross gate at wherein three, two filters are arranged with sprue transition position in cross gate, the sprue is connect with sprue cup, the utility model can meet the internal porosity requirement of casting under the premise of riser as few as possible, improve product yield；Riser is connect with ingate using bottom filling, and running channel buffers molten iron using thin slice overlapping mode, reduces sand washing risk, is reduced rejection rate, is improved production efficiency.
Description
Technical field
The utility model is related to auto parts casting field more particularly to a kind of reduction rejection rate, improve production efficiency
The sand mould structure running gate system of automobile driving system differential casing.
Background technology
Drive system differential casing is the product of a hardware and software platform, be can be applicable in more money vehicles, the demand of this product
Amount is very big, and so big yield and quality requirement make manufacturing enterprise be faced with stern challenge.
The similar product of traditional handicraft casting at present, using 3 riser techniques, yield rate is 33% or so, rejection rate 8%
Left and right.Cast-internal shrinkage porosite needs 100% flaw detection, not only often complains by client, simultaneously beyond Customer Standard requirement simultaneously
Also result in the significant wastage of company's productive labor cost；
It is therefore desirable to design it is a kind of it is new ensure product quality, improve product yield, reduction rejection rate, and can carry
The differential casing die casting system of high production capacity.
Utility model content
In view of various deficiencies of prior art described above, the technical problem to be solved by the present invention is to provide one kind
The sand mould structure pour mass of automobile driving system differential casing is not only met in product using the cold double riser techniques of a heat
Portion shrinkage porosite requires, and improves product yield, also reduces rejection rate, improves production efficiency.
Technical solution adopted by the utility model to solve its technical problems is：To achieve the above object and other related mesh
, the utility model provides a kind of sand mould structure of automobile driving system differential casing, the sand mould structure include sand mold ontology,
Casting cavity, hot riser, ingate, cold riser, main riser, cross gate, sprue and sand core are provided on the sand mold ontology
12 casting cavities；Every three casting cavities are one group and are combined into four groups of casting groups altogether；Two adjacent groups casting group
Between a hot riser is set, a cold riser is arranged in every group of casting group, and a master is arranged in every group of casting group
An ingate is arranged on the main riser for riser, three casting cavities in every group of casting group respectively with it is described
Main riser is connected, and the setting sand core, the main riser are connected to using bottom filling with the ingate in the casting cavity,
The ingate is connected to the cross gate, and two filters, institute is arranged in transition position between the cross gate and the sprue
It states sprue to connect with sprue cup, be connected using thin slice overlapping mode between each running channel.
Further：The main riser is connected to by riser neck structure with casting cavity.
Further：The modulus of the riser neck structure is 4mm.
Further：The ingate is connect with main riser bottom filling overlapping mode, and the choked flow sectional area of ingate is
294mm2。
Further：The choked flow sectional area for the cross gate being connect with the ingate is 794mm2。
Further：The choked flow sectional area of the sprue is 1943mm2。
Further：The filter is foam ceramic filter, the appearance and size of length × width x thickness of the foam ceramic filter
For 55mm × 55mm × 12.5mm, sprue diameter 48mm.
The utility model has the beneficial effects that the sand mold knot of automobile driving system differential casing provided by the utility model
Structure only has two riser on each sand mold ontology, the internal porosity of casting can be met under the premise of riser as few as possible, together
When also improve product yield to about 50%；Riser is connect with ingate using bottom filling, and running channel uses thin slice overlapping mode
Molten iron is buffered, sand washing risk is reduced and secondary filter can be carried out, reduces rejection rate to about 3%；Cost efficiency.
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 drive system differential casing；
Fig. 2 is the structural schematic diagram of sprue and sprue cup.
1 in figure, sand mold ontology, 2, casting cavity, 3, hot riser, 4, ingate, 5, cold riser, 6, main riser, 7, horizontal pour
Road, 8, sprue, 9, sprue cup, 10, sand core.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
Structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influencing this practicality
Under the effect of type can be generated and the purpose that can reach, it should all still fall and obtain and can contain in the revealed technology contents of the utility model
In the range of lid.
As depicted in figs. 1 and 2, the sand mould structure of the automobile driving system differential casing of the utility model, including sand mold
Ontology 1, casting cavity 2, hot riser 3, ingate 4, cold riser 5, main riser 6, cross gate 7, sprue 8, sprue cup 9, sand core
10；12 casting cavities 2 are placed on sand mold ontology 1, every three casting cavities 2 are one group and are combined into four groups of casting groups altogether,
One hot riser 3 is set between two adjacent groups casting group, and a cold riser 5, every group of casting is arranged in every group of casting group
Group one main riser 6 of setting, is arranged an ingate 4 on the main riser 6, described in three in every group of casting group
Casting cavity 2 is connected with the main riser 6 respectively, and the setting sand core 10 in the casting cavity 2, riser 6 uses rising pouring
Formula is connect with ingate, is 294mm according to the choked flow sectional area of every group of ingate 4 is calculated2.Ingate 4 and corresponding cross
Running channel 7 is connected to, and is 794mm according to the choked flow sectional area of cross gate 7 is calculated2.Cross gate 7 is connected to corresponding sprue 8,
It is 1943mm according to the choked flow sectional area of sprue 8 is calculated2, sprue 8 is connected to sprue cup 9.
Riser 6 is connected to by riser neck structure with cavity as a further improvement of the utility model, and casting modulus is
The modulus of 5mm (modulus=volume/surface area), feeder modulus 10mm, riser neck structure are 4mm, can meet the interior of casting
The requirement of portion shrinkage porosite, while improving product yield.
Use the sand mould structure of automobile driving system differential casing provided by the utility model, drive system differential carrier
Body casting can 12 casting of one-pass molding, since Feeder Design is reasonable, internal soundness (shrinkage porosite situation) is satisfied；Product
Product yield will be increased to 50% from original 38%, rejection rate is reduced to 3% by 8%, greatly increases the production efficiency,
Reduce production cost.
In conclusion there are one two, cold riser is shared on every group of sand mold ontology for sand mould structure provided by the utility model
Riser can meet the internal porosity requirement of casting under the premise of riser as few as possible；Riser is connected with ingate using bottom filling
It connects, reduces sand washing risk, cross gate is connect with ingate using thin slice bridging type, realizes secondary filter, reduces rejection rate；Institute
With 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 (7)
1. a kind of sand mould structure of automobile driving system differential casing, which includes sand mold ontology (1), casting cavity
(2), hot riser (3), ingate (4), cold riser (5), main riser (6), cross gate (7), sprue (8) and sand core (10),
It is characterized in that：12 casting cavities (2) are provided on the sand mold ontology (1)；Every three casting cavities (2) are
One group is combined into four groups of casting groups altogether；One hot riser (3), every group of casting group setting are set between two adjacent groups casting group
One cold riser (5), every group of casting group are arranged a main riser (6), are arranged described in one on the main riser (6)
Ingate (4), three casting cavities (2) in every group of casting group are connected with the main riser (6) respectively, the casting
The setting sand core (10), the main riser (6) are connected to using bottom filling with the ingate (4) in cavity (2), described interior to pour
Road (4) is connected to the cross gate (7), and two filterings are arranged in transition position between the cross gate (7) and the sprue (8)
Piece, the sprue (8) connect with sprue cup (9), are connected using thin slice overlapping mode between each running channel.
2. the sand mould structure of automobile driving system differential casing according to claim 1, which is characterized in that the master emits
Mouth (6) is connected to by riser neck structure with casting cavity (2).
3. the sand mould structure of automobile driving system differential casing according to claim 2, which is characterized in that the riser
The modulus of neck structure is 4mm.
4. the sand mould structure of automobile driving system differential casing according to claim 1, which is characterized in that poured in described
Road (4) is connect with main riser (6) bottom filling overlapping mode, and the choked flow sectional area of ingate (4) is 294mm2。
5. the sand mould structure of automobile driving system differential casing according to claim 1, which is characterized in that with it is described interior
The choked flow sectional area of the cross gate (7) of running channel connection is 794mm2。
6. the sand mould structure of automobile driving system differential casing according to claim 1, which is characterized in that described directly to pour
The choked flow sectional area in road (8) is 1943mm2。
7. the sand mould structure of automobile driving system differential casing according to claim 1, which is characterized in that the filtering
Piece is foam ceramic filter, and the appearance and size of length × width x thickness of the foam ceramic filter is 55mm × 55mm × 12.5mm, is directly poured
Road diameter 48mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559892.4U CN207695572U (en) | 2017-11-20 | 2017-11-20 | The sand mould structure of automobile driving system differential casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559892.4U CN207695572U (en) | 2017-11-20 | 2017-11-20 | The sand mould structure of automobile driving system differential casing |
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| Publication Number | Publication Date |
|---|---|
| CN207695572U true CN207695572U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721559892.4U Active CN207695572U (en) | 2017-11-20 | 2017-11-20 | The sand mould structure of automobile driving system differential casing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176818A (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 driving system differential casing |
| CN109128047A (en) * | 2018-10-29 | 2019-01-04 | 勤威(天津)工业有限公司 | A kind of the process modeling structure and application method of the casting system for caliper casting |
-
2017
- 2017-11-20 CN CN201721559892.4U patent/CN207695572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176818A (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 driving system differential casing |
| CN109128047A (en) * | 2018-10-29 | 2019-01-04 | 勤威(天津)工业有限公司 | A kind of the process modeling structure and application method of the casting system for caliper casting |
| CN109128047B (en) * | 2018-10-29 | 2023-10-31 | 勤威(天津)工业有限公司 | Process model structure of casting system for clamp casting and use method |
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