CN204383070U - With the hub cast of chill structure - Google Patents
With the hub cast of chill structure Download PDFInfo
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- CN204383070U CN204383070U CN201520030576.2U CN201520030576U CN204383070U CN 204383070 U CN204383070 U CN 204383070U CN 201520030576 U CN201520030576 U CN 201520030576U CN 204383070 U CN204383070 U CN 204383070U
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- densener
- spoke
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- barrels
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Abstract
The utility model discloses a kind of hub cast with chill structure, described wheel hub is five spoke barrels, comprise center hub, spoke portion, the casting blank of described five spoke barrels comprises densener and external chill, described densener and external chill are overall monolithic structure, and described densener is embedded in five spoke tops lists of spoke portion end.The process program that the utility model adopts outer densener to combine, thus reduce the densener quality of chill structure, impel densener and foundry goods ontology fusion well, ensure foundry goods mechanical characteristics, eliminate the foundry defect that five spoke barrel foundry goods isolate thermal center place, guarantee that Shrinkage cavity defect does not appear in foundry goods.
Description
Technical field
The utility model relates to technical field of automobile parts, and more particularly, it relates to a kind of crude green body structure of five spoke barrels with chill structure.
Background technology
Five spoke barrels are thin-wall castings, and have isolated thermal center, therefore, and the shaping process program often adopting external chill or densener of foundry goods of existing five spoke barrels.In general, chill is divided into densener and external chill.Densener: metal chills thing is inserted the position needing Quench in foundry goods die cavity, make alloy Quench and fuse into one with foundry goods.External chill: metal chills thing is placed inside sandbox, makes this region first cool, thus avoids this region shrinkage porosite.
But, for five spoke barrels, if only adopt external chill, can not reach chill effect when chill is too small, chill is excessive may be produced carbide metal and the foundry defect such as even to crack, and, when static pressure molding line is produced five spoke barrels, when only only having external chill, chill contrast locating is more difficult.If only adopt densener, chill is too small can not reach chill effect equally, and chill is excessive, and foundry goods body does not merge, and may cause the defects such as cold shut.At present, the Quench Method compare of five spoke barrel Chills is single, and effect is not ideal enough, if increasing chill size just simply, has and easily causes the defects such as casting crack.
Utility model content
The purpose of this utility model is to provide a kind of hub cast adopting the band chill structure of two-in-one Chill, the advantage of comprehensive application external chill and densener, the wall thickness position of five spoke barrel Casting Partss is cooled rapidly, improve cast casting quality, to overcome deficiency existing in prior art.
The technical scheme in the invention for solving the technical problem is: the hub cast of band chill structure, described wheel hub is five spoke barrels, comprise center hub, spoke portion, the casting blank of described five spoke barrels comprises densener and external chill, described densener and external chill are overall monolithic structure, and described densener is embedded in five spoke tops lists of spoke portion end.
The material of described five spoke barrels is spheroidal graphite iron, and described densener and external chill are obtained by carbon steel.
Described densener is cylinder, and its diameter is 8 ~ 10mm, and length is 25 ~ 32mm.
Described external chill is cylinder, and its diameter is 20 ~ 25mm, and length is 20 ~ 30mm.
The beneficial effects of the utility model are:
The process program that the utility model adopts outer densener to combine, thus reduce the densener quality of chill structure, impel densener and foundry goods ontology fusion well, ensure foundry goods mechanical characteristics, eliminate the foundry defect that five spoke barrel foundry goods isolate thermal center place, guarantee that Shrinkage cavity defect does not appear in foundry goods.
Accompanying drawing explanation
Fig. 1 is five spoke barrel structural representations of band chill structure of the present utility model.
Fig. 2 is the lateral plan of five spoke barrels.
Fig. 3 is chill structural representation of the present utility model.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
The utility model provides a kind of five spoke barrels with chill structure, wherein, five spoke barrel castings, comprise center hub 4, spoke portion 1, the casting blank of described five spoke barrels comprises densener 3 and external chill 2, and described densener 3 and external chill 2 are overall monolithic structure, and described densener 3 is embedded in the five spoke tops single 5 of spoke portion 1 end.
The casting blank of five spoke barrels comprises densener and external chill, densener and external chill are overall monolithic structure, form T-shaped structure, densener is embedded at five spoke barrels, and external chill is then outer is exposed at hub surface, during casting, external chill is embedded in sandbox, densener is then inserted in casting mold cavity, and after molten iron casting cooling, interior external chill and five spoke barrels are combined as a whole.Densener is positioned at the isolated heat energy-saving position of wheel hub.
External chill and densener are combined into " T " word structure.Wherein the diameter D1 of external chill meets 20mm≤D1≤25mm, preferred 24mm; The length L1 of external chill meets 20mm≤L1≤30mm, preferred 25mm; The diameter D2 of densener meets 8mm≤D2≤10mm, preferred 10mm; The length L2 of external chill meets 25mm≤L2≤32mm, preferred 30mm.The material of five spoke barrels is spheroidal graphite iron, and the material of chill is carbon steel.Need processing boring in the isolated thermal center position of five spoke barrels, nominal diameter is 19.05mm, hole depth 33mm, and after machinework, densener will be eliminated.
All the other structures are all known according to other formations of five spoke barrels of band chill structure of the present utility model and operation to those skilled in the art, are not described in detail here.
Although illustrate and described embodiment of the present utility model; those of ordinary skill in the art is to be understood that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim; scope of the present utility model limited by claim and equivalent replacement thereof; in the improvement etc. done without creative work, all should be included within protection domain of the present utility model.
Claims (4)
1. be with the hub cast of chill structure, described wheel hub is five spoke barrels, comprise center hub, spoke portion, it is characterized in that: the casting blank of described five spoke barrels comprises densener and external chill, described densener and external chill are overall monolithic structure, and described densener is embedded in five spoke tops lists of spoke portion end.
2. the hub cast of band chill structure according to claim 1, is characterized in that: the material of five spoke barrels is spheroidal graphite iron, and described densener and external chill are obtained by carbon steel.
3. the hub cast of band chill structure according to claim 2, is characterized in that: described densener is cylinder, and its diameter is 8 ~ 10mm, and length is 25 ~ 32mm.
4. the hub cast of band chill structure according to claim 2, is characterized in that: described external chill is cylinder, and its diameter is 20 ~ 25mm, and length is 20 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520030576.2U CN204383070U (en) | 2015-01-16 | 2015-01-16 | With the hub cast of chill structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520030576.2U CN204383070U (en) | 2015-01-16 | 2015-01-16 | With the hub cast of chill structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204383070U true CN204383070U (en) | 2015-06-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520030576.2U Active CN204383070U (en) | 2015-01-16 | 2015-01-16 | With the hub cast of chill structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204383070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530630A (en) * | 2018-12-26 | 2019-03-29 | 广东富华铸锻有限公司 | Five spoke barrel casting molds of one kind and five spoke barrel manufacturing methods |
| CN111515367A (en) * | 2020-05-06 | 2020-08-11 | 芜湖泓鹄材料技术有限公司 | Control method for through hole shrinkage of spring top pin of full-mold casting ductile iron drawing die casting |
-
2015
- 2015-01-16 CN CN201520030576.2U patent/CN204383070U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530630A (en) * | 2018-12-26 | 2019-03-29 | 广东富华铸锻有限公司 | Five spoke barrel casting molds of one kind and five spoke barrel manufacturing methods |
| CN111515367A (en) * | 2020-05-06 | 2020-08-11 | 芜湖泓鹄材料技术有限公司 | Control method for through hole shrinkage of spring top pin of full-mold casting ductile iron drawing die casting |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |