CN206732059U - Aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head - Google Patents
Aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head Download PDFInfo
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- CN206732059U CN206732059U CN201720529687.7U CN201720529687U CN206732059U CN 206732059 U CN206732059 U CN 206732059U CN 201720529687 U CN201720529687 U CN 201720529687U CN 206732059 U CN206732059 U CN 206732059U
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Abstract
The utility model discloses aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head, it is related to metal working technical area, and in particular to aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation dead head structure.Including aviation casing Mg alloy castings, aviation casing Mg alloy castings bottom connection running gate system, aviation casing Mg alloy castings top venthole；Spherical feeder is additionally provided with the top of aviation casing Mg alloy castings；It is that diameter of Spherical Volume, bottom have the round tube hole connected with aviation casing Mg alloy castings, top to have tubaeform perforate in the middle part of spherical feeder；Spherical feeder internal layer is titanium dioxide silica brick internal layer, has rock wool heat-preservation layer outside titanium dioxide silica brick internal layer.The utility model solves the aviation casing of magnesium alloy during fabrication, and the shape of insulated feeder typically uses V-arrangement, V-arrangement riser head heat-preserving poor performance and to accommodate raw material few, the problem of being unfavorable for the feeding of casting.
Description
Technical field
It the utility model is related to metal working technical area, and in particular to aviation casing Mg alloy castings are hindered with Superstrong heat-preserving
Fire insulated feeder structure.
Background technology
Magnesium alloy is adapted to apply in specific field, such as aviation field.Magnesium alloy high is subtracted with it than performance, protrusion
Suction of shaking is made an uproar ability, good forming processing performance and the features such as be easily recycled, and is described as the green knot of 21 century
Structure material.Magnesium alloy is prone to oxidizing fire in melting, liquid forming and heat treatment process, it is desirable to provide effective fire-retardant
Protection.At high temperature, fire-retardant especially under molten condition is for magnesium and its alloy：Using method physically or chemically, on its surface
Effective protection aquiclude is formed, on the one hand completely cuts off air, on the one hand prevents magnesium from evaporating, reach and slow down oxidation, fire-retardant purpose.
It can mitigate weight, the mobility for improving aerospace vehicle using the aviation casing of magnesium alloy, reduce oil consumption, band
Carry out considerable economic benefit.Magnesium alloy materials are low compared with other materials fusing point, in the aviation casing casting of magnesium alloy, Riser material
It can cool down too early, raw material, which flows downward, in rising head to have some setbacks, and cause sand hole.
The content of the invention
The utility model provides aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head, and the utility model solves
During fabrication, the shape of insulated feeder typically uses V-arrangement, V-arrangement riser head heat-preserving poor performance and receiving to the aviation casing of magnesium alloy
Raw material is few, the problem of being unfavorable for the feeding of casting.
To solve the above problems, the utility model adopts the following technical scheme that：Aviation casing Mg alloy castings are with superpower guarantor
Warm fire-retardant heat insulation rising head, including aviation casing Mg alloy castings, aviation casing Mg alloy castings bottom connection running gate system, boat
Venthole above empty casing Mg alloy castings；Spherical feeder is additionally provided with the top of aviation casing Mg alloy castings；Spherical feeder
Middle part is that diameter of Spherical Volume, bottom have the round tube hole connected with aviation casing Mg alloy castings, top to have tubaeform perforate；It is spherical
Rising head internal layer is titanium dioxide silica brick internal layer, has rock wool heat-preservation layer outside titanium dioxide silica brick internal layer.
The utility model advantage：Be designed with spherical feeder, rising head can accommodate more raw material, rising head upper opening compared with
Small, radiating is few, improves heat insulating ability.Using titanium dioxide silica brick internal layer and rock wool heat-preservation Rotating fields, extend raw material magnesium alloy in rising head
Cool time, it is ensured that the quality of aviation casing magnesium alloy cast part.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Symbol description in figure：Aviation casing Mg alloy castings 1, venthole 2, running gate system 3, rock wool heat-preservation layer 4, titanium dioxide
Silica brick internal layer 5, spherical feeder 6.
Embodiment
The utility model is described in detail with optimal embodiment below.
As shown in figure 1, aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head, including aviation casing magnesium alloy
Casting 1, the bottom of aviation casing Mg alloy castings 1 connection running gate system 3, the top venthole 2 of aviation casing Mg alloy castings 1；
Spherical feeder 6 is additionally provided with the top of aviation casing Mg alloy castings 1；The middle part of spherical feeder 6 is that diameter of Spherical Volume, bottom have and navigated
Tubaeform perforate is arranged at the round tube hole of the empty connection of casing Mg alloy castings 1, top；The internal layer of spherical feeder 6 is in titanium dioxide silica brick
There is rock wool heat-preservation layer 4 layer 5, the outside of titanium dioxide silica brick internal layer 5.
Insulated feeder inner upper is tubaeform, middle part is spherical, lower cylindrical, formed intermediate storage structure, raw material to
Lower flowing is smooth, and casting is not in sand holes.Rising head is formulated with part connecting portion diameter according to design requirement.The utility model
Insulated feeder be in casting mold for storage feeding a casting molten metal, for avoid casting occur defect be attached to above casting or
The supplementing structure of side.
Titanium dioxide silica brick internal layer rising head, it is to fire to form using earth silicon material, method for cooking and titanium dioxide silica brick system
It is identical to make method.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And the restriction not to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among the obvious changes or variations amplified out is still in the scope of protection of the utility model.
Claims (1)
1. aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head, it is characterised in that including aviation casing magnesium alloy
Casting, aviation casing Mg alloy castings bottom connection running gate system, aviation casing Mg alloy castings top venthole；In aviation
Spherical feeder is additionally provided with the top of casing Mg alloy castings；It is that diameter of Spherical Volume, bottom have and aviation casing magnesium in the middle part of spherical feeder
Tubaeform perforate is arranged at the round tube hole of alloy-steel casting connection, top；Spherical feeder internal layer is titanium dioxide silica brick internal layer, silica
There is rock wool heat-preservation layer outside brick internal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720529687.7U CN206732059U (en) | 2017-05-13 | 2017-05-13 | Aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720529687.7U CN206732059U (en) | 2017-05-13 | 2017-05-13 | Aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206732059U true CN206732059U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720529687.7U Active CN206732059U (en) | 2017-05-13 | 2017-05-13 | Aviation casing Mg alloy castings Superstrong heat-preserving fire-retardant heat insulation rising head |
Country Status (1)
| Country | Link |
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| CN (1) | CN206732059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237464A (en) * | 2023-03-20 | 2023-06-09 | 哈尔滨工业大学 | Flame-retardant forming structure of magnesium alloy U-shaped body and operation method |
-
2017
- 2017-05-13 CN CN201720529687.7U patent/CN206732059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237464A (en) * | 2023-03-20 | 2023-06-09 | 哈尔滨工业大学 | Flame-retardant forming structure of magnesium alloy U-shaped body and operation method |
| CN116237464B (en) * | 2023-03-20 | 2023-11-24 | 哈尔滨工业大学 | Flame-retardant forming structure of magnesium alloy U-shaped body and operation method |
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