CN214920268U - Drainage device for investment casting process - Google Patents
Drainage device for investment casting process Download PDFInfo
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- CN214920268U CN214920268U CN202121491965.7U CN202121491965U CN214920268U CN 214920268 U CN214920268 U CN 214920268U CN 202121491965 U CN202121491965 U CN 202121491965U CN 214920268 U CN214920268 U CN 214920268U
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Abstract
The utility model provides a drainage device for investment casting process, including the drainage cup, press the pipe from melting sealing tape and upper and lower hollow, the drainage cup is used for the pouring to smelt the alloy material for liquid state, drainage cup upper end is as pouring entrance, drainage cup lower extreme is as pouring exit, presses the pipe to shelve in the drainage cup and makes from melting sealing tape laminating in pouring exit inner wall and press between the pipe through pressing the gravity of pipe self, simultaneously from melting sealing tape with pouring exit cover seal completely, from melting sealing tape's preparation raw materials and alloy material in contain an at least element the same. Adopt the technical scheme of the utility model, make the alloy material that gets into the drainage cup at first pause flow and pile up in the pouring exit, treat that the self-fluxing banding melts the back, in alloy material downward injection type shell under its self action of gravity simultaneously again, the alloy material flow that falls down from the pouring exit can remain even stable, avoids alloy material to appear cutoff in the pouring in-process, has promoted foundry goods shaping quality.
Description
Technical Field
The utility model relates to a casting process technical field especially indicates a drainage device for investment casting process.
Background
In the investment casting process, firstly, a corresponding wax mould is prepared according to the shape and the characteristics of a casting to be cast, then, coating is applied on the outer surface of the wax mould, finally, the wax mould is melted by a roasting process and removed to prepare a shell, finally, an alloy material melted into a liquid state is poured into the shell through a drainage device, and the casting is prepared after the alloy material is condensed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a drainage device for investment casting process.
The utility model discloses a following technical scheme can realize.
The utility model provides a drainage device for investment casting process, press the pipe including drainage cup, from melting the sealing tape and upper and lower hollow, the drainage cup is used for the pouring to smelt the alloy material for liquid state, drainage cup upper end is as pouring entrance, drainage cup lower extreme is as pouring outlet, press the pipe to shelve in the drainage cup and pass through press the gravity of pipe self to make from melting the sealing tape laminate in pouring outlet inner wall with press between the pipe, simultaneously from melting the sealing tape will pouring outlet covers completely, from melting the preparation raw materials in sealing tape with at least an element that contains is the same in the alloy material.
The alloy material is aluminum alloy, and the preparation raw material of the self-sealing strip is aluminum foil paper.
The thickness of the self-melting sealing belt is 0.2 mm.
The height of the pressing pipe is not less than 50 mm.
When the self-melting sealing belt is attached between the inner wall of the pouring outlet and the pressing pipe through the gravity of the pressing pipe, the relative height between the upper end of the self-melting sealing belt and the pouring outlet is not less than 50 mm.
The aperture of the pouring inlet is larger than that of the pouring outlet.
And the pouring outlet is also connected with a drainage tube.
The alloy material is smelted into a liquid state by adopting a crucible.
The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, through from melting sealing strip closing cap pouring outlet, make the alloy material who gets into the drainage cup at first pause flow, pile up in the pouring outlet, after carrying out the heat exchange between the alloy material of self-melting sealing strip and high temperature, make from melting sealing strip melt the back, alloy material is in its self action of gravity downwards simultaneously again in the injection type shell, compared with the prior art, although liquid form alloy material is different by the process of pouring into the drainage cup of crucible tilt-in, nevertheless because all flow in pouring outlet pause, alloy material flow that falls down from the pouring outlet can remain even stable, avoid alloy material to appear cutting off in the pouring process, prevent that the foundry goods of final formation from producing the package sediment, defects such as cold shut, foundry goods shaping quality has been promoted.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention at point i in fig. 1.
In the figure: 1-drainage cup, 2-self-melting sealing belt, 3-pressure tube and 4-drainage tube.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, fig. 2, the utility model provides a drainage device for investment casting process, including drainage cup 1, press pipe 3 from melting sealing tape 2 and upper and lower hollow, drainage cup 1 is used for the pouring to smelt the alloy material for liquid state, drainage cup 1 upper end is as pouring entrance, drainage cup 1 lower extreme is as pouring the export, press pipe 3 to shelve in drainage cup 1 and make from melting sealing tape 2 laminate in pouring the export inner wall and press between pipe 3 through pressing the gravity of pipe 3 self, from melting sealing tape 2 with pouring the export complete capping simultaneously, at least one element that contains in preparation raw materials and the alloy material from melting sealing tape 2 is the same.
Further, the alloy material is aluminum alloy, and the preparation raw material of the self-sealing strip 2 is aluminum foil paper. The thickness of the self-sealing tape 2 is preferably 0.2 mm. The height of the pressing pipe 3 is not less than 50 mm. When the self-melting sealing belt 2 is attached between the inner wall of the pouring outlet and the pressing pipe 3 through the gravity of the pressing pipe 3, the relative height between the upper end of the self-melting sealing belt 2 and the pouring outlet is not less than 50 mm.
In addition, the aperture of the pouring inlet is larger than that of the pouring outlet. The pouring outlet is also connected with a drainage tube 4. The alloy material is smelted into a liquid state by adopting a crucible.
Adopt the technical scheme of the utility model, through from melting sealing strip closing cap pouring outlet, make the alloy material who gets into the drainage cup at first pause flow, pile up in the pouring outlet, after carrying out the heat exchange between the alloy material of self-melting sealing strip and high temperature, make from melting sealing strip melt the back, alloy material is in its self action of gravity downwards simultaneously again in the injection type shell, compared with the prior art, although liquid form alloy material is different by the process of pouring into the drainage cup of crucible tilt-in, nevertheless because all flow in pouring outlet pause, alloy material flow that falls down from the pouring outlet can remain even stable, avoid alloy material to appear cutting off in the pouring process, prevent that the foundry goods of final formation from producing the package sediment, defects such as cold shut, foundry goods shaping quality has been promoted.
Claims (8)
1. A drainage device for an investment casting process is characterized in that: the self-melting sealing device comprises a drainage cup (1), a self-melting sealing belt (2) and an upper and lower hollow pressing pipe (3), wherein the drainage cup (1) is used for pouring and melting alloy materials in a liquid state, the upper end of the drainage cup (1) is used as a pouring inlet, the lower end of the drainage cup (1) is used as a pouring outlet, the pressing pipe (3) is placed in the drainage cup (1) and enables the self-melting sealing belt (2) to be attached between the inner wall of the pouring outlet and the pressing pipe (3) through the gravity of the pressing pipe (3), meanwhile, the pouring outlet is completely covered and sealed by the self-melting sealing belt (2), and preparation raw materials of the self-melting sealing belt (2) are the same as at least one element contained in the alloy materials.
2. The draft system for an investment casting process according to claim 1 wherein: the alloy material is aluminum alloy, and the preparation raw material of the self-sealing strip (2) is aluminum-foil paper.
3. The draft system for an investment casting process according to claim 1 wherein: the thickness of the self-melting sealing belt (2) is 0.2 mm.
4. The draft system for an investment casting process according to claim 1 wherein: the height of the pressing pipe (3) is not less than 50 mm.
5. The draft system for an investment casting process according to claim 1 wherein: when the self-melting sealing belt (2) is attached between the inner wall of the pouring outlet and the pressing pipe (3) through the gravity of the pressing pipe (3), the relative height between the upper end of the self-melting sealing belt (2) and the pouring outlet is not less than 50 mm.
6. The draft system for an investment casting process according to claim 1 wherein: the aperture of the pouring inlet is larger than that of the pouring outlet.
7. The draft system for an investment casting process according to claim 1 wherein: and the pouring outlet is also connected with a drainage tube (4).
8. The draft system for an investment casting process according to claim 1 wherein: the alloy material is smelted into a liquid state by adopting a crucible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121491965.7U CN214920268U (en) | 2021-07-01 | 2021-07-01 | Drainage device for investment casting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121491965.7U CN214920268U (en) | 2021-07-01 | 2021-07-01 | Drainage device for investment casting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214920268U true CN214920268U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121491965.7U Active CN214920268U (en) | 2021-07-01 | 2021-07-01 | Drainage device for investment casting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214920268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2625346A (en) * | 2022-12-14 | 2024-06-19 | Investment Casting Systems Ltd | Improvements relating to investment casting |
-
2021
- 2021-07-01 CN CN202121491965.7U patent/CN214920268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2625346A (en) * | 2022-12-14 | 2024-06-19 | Investment Casting Systems Ltd | Improvements relating to investment casting |
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