CN213944784U - Roasting device of high-thickness formwork for precision casting - Google Patents
Roasting device of high-thickness formwork for precision casting Download PDFInfo
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- CN213944784U CN213944784U CN202022827540.0U CN202022827540U CN213944784U CN 213944784 U CN213944784 U CN 213944784U CN 202022827540 U CN202022827540 U CN 202022827540U CN 213944784 U CN213944784 U CN 213944784U
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Abstract
The utility model discloses a roasting device of high thickness mould shell for precision casting, including roasting furnace one and roasting furnace two, set up the cooling chamber between roasting furnace one and roasting furnace two, roasting furnace one, cooling chamber, two coaxial lines of roasting furnace set up and the bottom is equipped with the track of intercommunication, sliding connection has the platform truck on the track, the up end fixed connection stove bottom plate of platform truck, place the mould shell on the stove bottom plate, the both sides limit of cooling chamber is equipped with the heat transfer chamber, set up the heat transfer board between heat transfer chamber and the cooling chamber, be equipped with the temperature monitoring meter in the cooling chamber; the utility model discloses a bake burning furnace first, cooling chamber and bake burning furnace second team's mould shell and carry out high temperature calcination, cooling, high temperature calcination once more in proper order, through twice calcination for the mould shell calcination is thorough, and experiences twice intensification and once cools down, and the inside more microcrack that produces of shell has increased the gas permeability of shell, has effectively solved thick super large foundry goods gas pocket problem.
Description
Technical Field
The utility model relates to a precision casting technical field, in particular to roasting device of high thickness mould shell for precision casting.
Background
The roasting mode of the existing precision casting mould shell is as follows: placing the dewaxed mould shell with a pouring gate facing downwards on a trolley provided with a furnace bottom plate, conveying the trolley into a roasting furnace cavity from an inlet of a box type gas roasting furnace for high-temperature roasting, and taking out the mould shell from an outlet furnace door for casting after roasting. The method has no problem for medium and large parts, but the thickness of the precision casting extra-large part formwork is over 25mm, the extra-large part formwork with a slightly complex structure is a solid body after being manufactured, the length of the roasting furnace is fixed, the stay time of the formwork in a high-temperature area is limited, the formwork cannot be completely roasted, the air permeability of the formwork is poor, the air holes of the cast are serious after casting, and the cast is scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a roasting device of high thickness mould shell for precision casting can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the roasting device for the high-thickness formwork for precision casting comprises a roasting furnace I and a roasting furnace II, wherein a cooling chamber is arranged between the roasting furnace I and the roasting furnace II, the roasting furnace I, the cooling chamber and the roasting furnace II are coaxially arranged, communicated rails are arranged at the bottoms of the roasting furnace I and the roasting furnace II, trolleys are connected onto the rails in a sliding mode, the upper end face of each trolley is fixedly connected with a furnace bottom plate, a formwork is placed on the furnace bottom plate, heat exchange chambers are arranged on two side edges of each cooling chamber, heat exchange plates are arranged between the heat exchange chambers and the cooling chamber, and a temperature monitoring meter is arranged in each cooling chamber.
Preferably, an operation platform is arranged between the first roasting furnace and the temperature reduction chamber.
Preferably, an impurity removing table is arranged between the second roasting furnace and the cooling chamber, and a sand sucking pipe is installed on the impurity removing table.
Preferably, the temperature in the cooling chamber is kept between 60 and 150 ℃.
Preferably, the upper end of the cooling chamber is communicated with a cold air inlet pipe, and the cold air inlet pipe is provided with an electromagnetic valve.
Preferably, the inlet and the outlet of the two ends of the roasting furnace I and the roasting furnace II are respectively provided with a furnace door connected by a lifting rod.
Compared with the prior art, the utility model discloses the beneficial effect who produces is: the utility model discloses a bake burning furnace first, cooling chamber and bake burning furnace second team's mould shell and carry out high temperature calcination, cooling, high temperature calcination once more in proper order, through twice calcination for the mould shell calcination is thorough, and experiences twice intensification and once cools down, and the inside more microcrack that produces of shell has increased the gas permeability of shell, has effectively solved thick super large foundry goods gas pocket problem.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the cooling chamber and the heat exchange chamber of the present invention;
FIG. 3 is a schematic view of the connection between the mold shell and the sand suction pipe of the present invention.
In the figure: 1. roasting the furnace I; 2. roasting furnace II; 3. a cooling chamber; 4. a track; 5. a trolley; 6. a furnace floor; 7. a heat exchange chamber; 8. a heat exchange plate; 9. a temperature monitor; 10. operating the platform; 11. an impurity removing table; 12. a sand suction pipe; 13. a cold air inlet pipe; 14. an electromagnetic valve; 15. lifting the rod; 16. a furnace door; 17. a mold shell.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a roasting device for a high-thickness formwork for precision casting includes a first roasting furnace 1 and a second roasting furnace 2, a cooling chamber 3 is arranged between the first roasting furnace 1 and the second roasting furnace 2, the first roasting furnace 1, the cooling chamber 3 and the second roasting furnace 2 are coaxially arranged, a communicated rail 4 is arranged at the bottom of the first roasting furnace 1, the cooling chamber 3 and the second roasting furnace 2, a trolley 5 is slidably connected onto the rail 4, the upper end surface of the trolley 5 is fixedly connected with a furnace bottom plate 6, a formwork 17 is placed on the furnace bottom plate 6, heat exchange chambers 7 are arranged on two side edges of the cooling chamber 3, a heat exchange plate 8 is arranged between the heat exchange chambers 7 and the cooling chamber 3, and a temperature monitor 9 is arranged in the cooling chamber 3.
In this embodiment, an operation platform 10 is disposed between the roasting furnace 1 and the cooling chamber 3, the furnace bottom plate 6 is covered with heat insulation cotton through the operation platform 10, the heat insulation cotton is disposed outside the mold shell 17, and the mold shell 17 is slowly cooled by the heat insulation cotton.
In this embodiment, an impurity removing table 11 is arranged between the second roasting furnace 2 and the temperature reduction chamber 3, a sand suction pipe 12 is installed on the impurity removing table 11, and impurities remaining in an inner cavity of the mold shell 17 are cleaned by the sand suction pipe 12.
In this embodiment, the temperature in the temperature-reducing chamber 3 is maintained at 60 to 150 ℃.
In this embodiment, the upper end of the cooling chamber 3 is communicated with a cold air inlet pipe 13, and the cold air inlet pipe 13 is provided with an electromagnetic valve 14 for adjusting the temperature in the cooling chamber 3.
In this embodiment, the inlets and the outlets of the two ends of the first roasting furnace 1 and the second roasting furnace 2 are respectively provided with a furnace door 16 connected by a lifting rod 15.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides a roasting device of high thickness mould shell for precision casting, includes roaster furnace one and roaster furnace two, its characterized in that: the furnace comprises a roasting furnace I and a roasting furnace II, and is characterized in that a cooling chamber is arranged between the roasting furnace I and the roasting furnace II, the roasting furnace I, the cooling chamber and the roasting furnace II are coaxially arranged, communicated rails are arranged at the bottoms of the first roasting furnace, the cooling chamber and the second roasting furnace, a trolley is slidably connected onto the rails, the upper end face of the trolley is fixedly connected with a furnace bottom plate, a formwork is placed on the furnace bottom plate, heat exchange chambers are arranged on two side edges of the cooling chamber, a heat exchange plate is arranged between the heat exchange chambers and the cooling.
2. The apparatus of claim 1, wherein the apparatus comprises: an operation platform is arranged between the first roasting furnace and the cooling chamber.
3. The apparatus of claim 1, wherein the apparatus comprises: and an impurity removing table is arranged between the second roasting furnace and the cooling chamber, and a sand sucking pipe is installed on the impurity removing table.
4. The apparatus of claim 1, wherein the apparatus comprises: the temperature in the cooling chamber is kept between 60 and 150 ℃.
5. The apparatus of claim 4, wherein the means for calcining a high thickness mold shell for precision casting comprises: the upper end of the cooling chamber is communicated with a cold air inlet pipe, and the cold air inlet pipe is provided with an electromagnetic valve.
6. The apparatus of claim 1, wherein the apparatus comprises: and the inlet and the outlet at the two ends of the roasting furnace I and the roasting furnace II are respectively provided with a furnace door connected by a lifting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827540.0U CN213944784U (en) | 2020-11-30 | 2020-11-30 | Roasting device of high-thickness formwork for precision casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827540.0U CN213944784U (en) | 2020-11-30 | 2020-11-30 | Roasting device of high-thickness formwork for precision casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213944784U true CN213944784U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827540.0U Active CN213944784U (en) | 2020-11-30 | 2020-11-30 | Roasting device of high-thickness formwork for precision casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700465A (en) * | 2022-03-02 | 2022-07-05 | 中国电建集团郑州泵业有限公司 | Roasting method for final-stage guide vane investment casting formwork of double-casing pump |
-
2020
- 2020-11-30 CN CN202022827540.0U patent/CN213944784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700465A (en) * | 2022-03-02 | 2022-07-05 | 中国电建集团郑州泵业有限公司 | Roasting method for final-stage guide vane investment casting formwork of double-casing pump |
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