CN205798336U - The vacuum water-cooled sandbox of dispellable mould casting - Google Patents
The vacuum water-cooled sandbox of dispellable mould casting Download PDFInfo
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- CN205798336U CN205798336U CN201620669289.0U CN201620669289U CN205798336U CN 205798336 U CN205798336 U CN 205798336U CN 201620669289 U CN201620669289 U CN 201620669289U CN 205798336 U CN205798336 U CN 205798336U
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- sandbox
- water
- cooled
- hollow pipe
- mould casting
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Abstract
This utility model provides the vacuum water-cooled sandbox of a kind of dispellable mould casting, including sandbox body, also including the water circulation cooling device being placed in sandbox body interior, water circulation cooling device includes hollow pipe, one end of hollow pipe is provided with water inlet, and the other end is provided with outlet.The vacuum water-cooled sandbox of the dispellable mould casting that this utility model provides can make foundry goods Forced water cooling in process of setting, increases the rate of cooling of foundry goods, refines casting crystalline grain, eliminates the precipitation of some brittlement phase, improves casting strength and toughness.Meanwhile, the hollow pipe in water circulation cooling device uses helical structure, and diameter is gradually increased from bottom to top, and bottom intakes, top water outlet, and beneficially foundry goods forms consecutive solidification from bottom to top, improves casting compactness, makes foundry goods combination property improve；And make Riser Dimensions reduce, improve casting process yield.
Description
Technical field
This utility model belongs to metal casting manufacturing technology field, is specifically related to the vacuum water-cooled of a kind of dispellable mould casting
Sandbox.
Background technology
Sandbox is any key component successfully casting system.During lost foam casting thick and large casting, vacuum to be guaranteed
All regions of molding sand can be reached, but also be necessary to ensure that the design of sandbox can regulate foundry goods solidification sequence in sandbox, have
It is beneficial to eliminate cast-internal texture of coarse crystal and shrinkage porosity defect of contraction cavity, therefore the design of sandbox is extremely important.Lost foam casting
Sandbox is not because having the extrusion of sand to vibrate, and sandbox simple in construction, it is not required that backing plate, therefore the weight of sandbox can subtract significantly
Gently；Meanwhile, lost foam casting dry sand and inner wall of sand box keep independent, and inner wall of sand box there is no need to want as self-hardening sand molding
Seek inner wall smooth.Lost foam casting vacuum negative-pressure flask has various structures, currently mainly uses side aspirator vacuum negative-pressure flask.
This sandbox generally uses double-walled Welding Structure, forms the air chamber of connection between double-walled, and there are vacuum interface, inner side in sandbox lateral wall
Wall is opened bleeding point and installs filter screen, to prevent sand from sucking vacuum pump.
Summary of the invention
For solving the problems referred to above, the utility model discloses the vacuum water-cooled sandbox of a kind of dispellable mould casting.
In order to reach object above, this utility model following technical scheme of offer:
The vacuum water-cooled sandbox of a kind of dispellable mould casting, including sandbox body, this is internal also to include being placed in described sandbox
The water circulation cooling device in portion, described water circulation cooling device includes that hollow pipe, one end of described hollow pipe are provided with water inlet, separately
One end is provided with outlet.
As preferably, described hollow pipe bends to helical form.
As preferably, described hollow pipe is made of metal.
As preferably, the diameter of described hollow pipe is bottom-up to be gradually increased.
As preferably, described hollow pipe is fixed on the sidewall of sandbox body by supporting screw.
As preferably, support cooling water pipe in sandbox body is stretched in described supporting screw one end, and the other end is solid by screw thread
On the sidewall of sandbox body.
As preferably, the inlet end of described hollow pipe is located in the lower end of described sandbox body one side box wall, described sky
The water outlet end of heart pipe is located in the upper end of described sandbox body and water inlet opposite side tank wall.
As preferably, described sandbox body uses double-walled construction, forms the air chamber of connection, described sandbox body between double-walled
Lateral wall be provided with vacuum interface, medial wall is provided with bleeding point, and described medial wall is also equipped with filter screen,
What this utility model obtained has the beneficial effect that
The vacuum water-cooled sandbox of the dispellable mould casting that this utility model provides, is to circulate cold at this internal water of setting up of sandbox
Radiator cooler forms.Vacuum water-cooled sandbox can make foundry goods Forced water cooling in process of setting, increases the rate of cooling of foundry goods, refinement casting
Part crystal grain, eliminates the precipitation of some brittlement phase, improves casting strength and toughness.Meanwhile, the hollow pipe in water circulation cooling device
Using helical structure, and diameter is gradually increased from bottom to top, bottom intakes, top water outlet, and beneficially foundry goods is formed from bottom to top
Consecutive solidification, improve casting compactness, make foundry goods combination property improve；And make Riser Dimensions reduce, improve casting process and go out
Product rate.
Accompanying drawing explanation
Fig. 1, structural representation of the present utility model；
Fig. 2, top view of the present utility model.
Reference numerals list:
1-sandbox body；2-hollow pipe；3-water inlet；4-outlet；5-supporting screw.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with this utility model, it should be understood that following specific embodiment party
Formula is merely to illustrate this utility model rather than limits scope of the present utility model.
The vacuum water-cooled sandbox of a kind of dispellable mould casting as shown in Figure 1 and Figure 2, including sandbox body 1, sandbox body 1
Using double-walled construction, form the air chamber of connection between double-walled, the lateral wall of sandbox body 1 is provided with vacuum interface, and medial wall is provided with
Bleeding point, medial wall is also equipped with filter screen, and sandbox body 1 is internal is provided with water circulation cooling device, and water circulating cooling fills
Putting and include that hollow pipe 2, one end of hollow pipe 2 are provided with water inlet 3, the other end is provided with outlet 4.
Hollow pipe 2 bends to helical form or similar helical form.Hollow pipe 2 is made of metal.The diameter of hollow pipe 2 from lower to
On be gradually increased.Hollow pipe 2 is fixed on the sidewall of sandbox body 1 by supporting screw 5.Sandbox is stretched in supporting screw 5 one end
Supporting cooling water pipe in body 1, the other end is threadably secured on the sidewall of sandbox body 1.Water inlet 3 end of hollow pipe 2
Being located in the lower end of sandbox body 1 one side box wall, it is relative with water inlet 3 that outlet 4 end of hollow pipe 2 is located in sandbox body 1
The upper end of one side box wall.
Technological means disclosed in this utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including the technical scheme being made up of above technical characteristic combination in any.It should be pointed out that, the ordinary skill for the art
For personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and profit
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. a vacuum water-cooled sandbox for dispellable mould casting, including sandbox body, it is characterised in that also include being placed in described sand
The water circulation cooling device of case body interior, described water circulation cooling device includes that hollow pipe, one end of described hollow pipe are provided with
Water inlet, the other end is provided with outlet.
2. the vacuum water-cooled sandbox of dispellable mould casting as claimed in claim 1, it is characterised in that described hollow pipe bends to
Helical form.
3. the vacuum water-cooled sandbox of dispellable mould casting as claimed in claim 2, it is characterised in that described hollow pipe is by metal
Make.
4. the vacuum water-cooled sandbox of dispellable mould casting as claimed in claim 2, it is characterised in that the diameter of described hollow pipe
Bottom-up it is gradually increased.
5. the vacuum water-cooled sandbox of the dispellable mould casting as described in claim 2 to 4 any one, it is characterised in that described
Hollow pipe is fixed on the sidewall of sandbox body by supporting screw.
6. the vacuum water-cooled sandbox of dispellable mould casting as claimed in claim 5, it is characterised in that described supporting screw one end
Stretching into support cooling water pipe in sandbox body, the other end is threadably secured on the sidewall of sandbox body.
7. the vacuum water-cooled sandbox of the dispellable mould casting as described in Claims 1-4 any one, it is characterised in that described
The inlet end of hollow pipe is located in the lower end of described sandbox body one side box wall, and the water outlet end of described hollow pipe is located in institute
State the upper end of sandbox body and water inlet opposite side tank wall.
8. the vacuum water-cooled sandbox of the dispellable mould casting as described in Claims 1-4 any one, it is characterised in that described
Sandbox body uses double-walled construction, forms the air chamber of connection between double-walled, and the lateral wall of described sandbox body is provided with vacuum interface,
Medial wall is provided with bleeding point, and described medial wall is also equipped with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620669289.0U CN205798336U (en) | 2016-06-30 | 2016-06-30 | The vacuum water-cooled sandbox of dispellable mould casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620669289.0U CN205798336U (en) | 2016-06-30 | 2016-06-30 | The vacuum water-cooled sandbox of dispellable mould casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205798336U true CN205798336U (en) | 2016-12-14 |
Family
ID=57512685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620669289.0U Active CN205798336U (en) | 2016-06-30 | 2016-06-30 | The vacuum water-cooled sandbox of dispellable mould casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205798336U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941468A (en) * | 2018-08-10 | 2018-12-07 | 陕西柴油机重工有限公司 | The sand mould casting method of elongated class cast iron bar |
| CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
| CN113600795A (en) * | 2021-06-30 | 2021-11-05 | 上海航天精密机械研究所 | Casting method for refining investment casting structure |
-
2016
- 2016-06-30 CN CN201620669289.0U patent/CN205798336U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941468A (en) * | 2018-08-10 | 2018-12-07 | 陕西柴油机重工有限公司 | The sand mould casting method of elongated class cast iron bar |
| CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
| CN113600795A (en) * | 2021-06-30 | 2021-11-05 | 上海航天精密机械研究所 | Casting method for refining investment casting structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |