CN202725970U - Water-cooling fire hole resin sand cavity hot-air drying structure - Google Patents
Water-cooling fire hole resin sand cavity hot-air drying structure Download PDFInfo
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- CN202725970U CN202725970U CN201220454604.XU CN201220454604U CN202725970U CN 202725970 U CN202725970 U CN 202725970U CN 201220454604 U CN201220454604 U CN 201220454604U CN 202725970 U CN202725970 U CN 202725970U
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Abstract
The utility model relates to a water-cooling fire hole resin sand cavity hot-air drying structure. According to the drying structure, an upper sand box and a lower sand box are cast for mold assembling; a runner gate is formed at the bottom inside the lower sand box; a direct gate is communicated with the runner gate, penetrates through the upper sand box and penetrates out of the top of the upper sand box; a sprue cup is arranged at an outlet of the direct gate; a water-cooling fire hole cavity is obliquely formed between a recess of the lower sand box and an oblique boss of the upper sand box; the tail end of the bottom of the water-cooling fire hole cavity is provided with a flow gate which is communicated with the runner gate; the tail end of the top of the water-cooling fire hole cavity is provided with a water vapor outlet which penetrates through the upper sand box; one end of a hot-air lead-in pipe is inserted into the direct gate through the sprue cup; the other end of the hot-air lead-in pipe is connected with an air outlet of a furnace body; and an air inlet of the furnace body is connected with a fan through a hose outlet. According to the water-cooling fire hole resin sand cavity hot-air drying structure, moisture in the resin sand can be effectively dried, so that water-cooling fire hole air holes, slag inclusion and other defects in the product are reduced, and the water-cooling fire hole resin sand cavity hot-air drying structure has the characteristics of simplicity and feasibility.
Description
Technical field
The utility model belongs to metallurgical casting industry, particularly a kind of hot-air seasoning structure of furnace water-cooling mouth resin sand die cavity.
Background technology
At present, make die cavity with resin sand in a large number at casting field, the key component of resin sand is silica sand, furane resins (account for sand total amount 0.9%～1.2%), xylene monosulfonic acid (account for resin 40%～60%).In the resin sand production process, the existence of moisture is can hardly be avoided, and moisture can cause a series of quality problems to foundry goods.
Itself contain moisture in the resin sand raw material, roughing sand moisture＜0.2%, moisture is approximately about 2%～10% in the resin; Polycondensation reaction occurs in resin in hardening process, generate moisture; Resin sand adopts alcohol-base paint, coats the rear residual moisture that has.Although igniting is dryouied behind the first-class coating, still have part moisture in first-class coating igniting forward direction die cavity inner penetration in the coating, the diffusion and remain in mold cavity surface in the casting mold of part moisture is arranged after the igniting.
Total amount improves so that when cast gets angry in the existence of moisture, makes foundry goods produce easily the defectives such as pore, oxidizing slag.
Therefore, those skilled in the art is necessary to seek a kind of furnace water-cooling mouth resin sand die cavity hot-air seasoning structure, to improve the resin bonded sand mould cavity configuration.
Summary of the invention
Task of the present utility model provides a kind of furnace water-cooling mouth resin sand die cavity hot-air seasoning structure, it has solved the existing problem of above-mentioned prior art, improved hot-air seasoning structure can effectively be dried moisture in the resin sand, thereby reduce the defectives such as product water black furnace implication hole, slag inclusion, and have simple characteristics.
Technical solution of the present utility model is as follows:
A kind of furnace water-cooling mouth resin sand die cavity hot-air seasoning structure, it comprises drag box, cope, runner gate, ingate, furnace water-cooling mouth die cavity, moisture outlet, down gate, cup, hot blast inlet tube, body of heater and blower fan;
Described cope and drag box mould assembling and closing, described runner gate are arranged on the end in the drag box, and described down gate is communicated with runner gate and through cope and from the cope top exit, described cup is placed in the down gate exit;
Described furnace water-cooling mouth die cavity obliquely is arranged between the oblique recess of drag box and the cope inclined platform, and the bottom end of furnace water-cooling mouth die cavity is provided with the ingate of a connection runner gate, and the top end of furnace water-cooling mouth die cavity is provided with a moisture outlet through cope;
One end of described hot blast inlet tube is inserted in the down gate by cup, and the other end of hot blast inlet tube connects the air outlet of body of heater;
The air inlet of described body of heater is connected with blower fan by the flexible pipe outlet.
Described body of heater is equipped with the instrument operation panel.
Described body of heater is provided with cooling window.
Described body of heater is equipped with thermocouple.
Adopt furnace water-cooling mouth resin sand die cavity hot-air seasoning structure of the present utility model, can effectively dry moisture in the resin sand, thereby reduce the defectives such as product water black furnace implication hole, slag inclusion, and have simple characteristics.Air-heater with certain pressure in the die cavity to external heat, can make in the die cavity each several part mud core fully dry, keeps certain heat, it is unobstructed that die cavity is given vent to anger, and is conducive to pour into a mould exhaust, the elimination gas hole defect.
Description of drawings
Fig. 1 is the schematic diagram of a kind of furnace water-cooling mouth resin sand die cavity hot-air seasoning structure of the present utility model.
Reference numeral:
1 is drag box, and 2 is cope, and 3 is runner gate, 4 is ingate, and 5 is the furnace water-cooling mouth die cavity, and 6 is moisture outlet, 7 is down gate, and 8 is cup, and 9 is the hot blast inlet tube, 11 is blower fan, and 12 is air inlet, and 13 is the instrument operation panel, 14 is cooling window, and 15 is body of heater, and 16 is air outlet, 17 is thermocouple, and 18 is suspension ring, and 19 are the flexible pipe outlet.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Referring to Fig. 1, the utility model provides a kind of furnace water-cooling mouth resin sand die cavity hot-air seasoning structure, mainly is comprised of drag box 1, cope 2, runner gate 3, ingate 4, furnace water-cooling mouth die cavity 5, moisture outlet 6, down gate 7, cup 8, hot blast inlet tube 9, body of heater 15 and blower fan 10.
Cope 2 and drag box 1 mould assembling and closing, runner gate 3 is arranged on the 1 interior end of drag box, and down gate 7 is communicated with runner gate 3 and through cope 2 and from cope 2 top exits, cup 8 is placed in down gate 7 exits.
Furnace water-cooling mouth die cavity 5 obliquely is arranged between drag box 1 oblique recess and cope 2 inclined platforms, the bottom end of furnace water-cooling mouth die cavity 5 arranges the ingate 4 of a connection runner gate 3, and the top end of furnace water-cooling mouth die cavity 5 arranges a moisture outlet 6 through cope 2.
One end of hot blast inlet tube 9 is inserted in the down gate 7 by cup 8, and the other end of hot blast inlet tube 9 connects the air outlet 16 of body of heater 15.
The air inlet 12 of body of heater 15 is connected with blower fan 10 by flexible pipe outlet 19.Body of heater 15 is equipped with instrument operation panel 13, and body of heater 15 also is provided with cooling window 14.Thermocouple 17 is housed on the body of heater 15.Suspension ring 18 are equipped with in both sides, body of heater 15 top.
Adopt the production process of furnace water-cooling mouth resin sand die cavity hot-air seasoning structure of the present utility model as follows:
After cope 2 and drag box 1 mould assembling and closing, the discharge pipe of air-heater is good with connection by metal hose, and the other end of flexible pipe then connects with the air inlet of casting mold, heat air delivery then, and hot air flow is 1998～2212m
3/ h measures temperature at the die cavity air inlet, and the power of air-heater is elected 60～80KW as, and the die cavity venthole is opened wide, and air-heater blows out hot blast temperature and is controlled at 80 ℃～100 ℃, and air-heater continues heat air delivery 1～1.5 hour.
Elect the power of air-heater as 80～100KW, the die cavity venthole is built, temperature is controlled to be between 150 ℃～190 ℃, is conducive to the lifting of temperature in the die cavity, and air-heater continues heat air delivery 1～1.5 hour.
The power of air-heater is reverted to 60～80KW, and the die cavity venthole is built insulation 2～4 hours, so that fully dry in the die cavity.
Air-heater with certain pressure in the die cavity to external heat, can make in the die cavity each several part mud core fully dry, keeps certain heat, it is unobstructed that die cavity is given vent to anger, and is conducive to pour into a mould exhaust, the elimination gas hole defect.
In sum, adopt furnace water-cooling mouth resin sand die cavity hot-air seasoning structure of the present utility model, can effectively dry moisture in the resin sand, thereby reduce the defectives such as product water black furnace implication hole, slag inclusion, and have simple characteristics.
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment only is that the utility model is described, and be not with opposing restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim the variation of above-described embodiment, modification etc.
Claims (4)
1. furnace water-cooling mouth resin sand die cavity hot-air seasoning structure, it is characterized in that: it comprises drag box (1), cope (2), runner gate (3), ingate (4), furnace water-cooling mouth die cavity (5), moisture outlet (6), down gate (7), cup (8), hot blast inlet tube (9), body of heater (15) and blower fan (10);
Described cope (2) and drag box (1) mould assembling and closing, described runner gate (3) is arranged on the interior end of drag box (1), described down gate (7) is communicated with runner gate (3) and through cope (2) and from cope (2) top exit, described cup (8) is placed in down gate (7) exit;
Described furnace water-cooling mouth die cavity (5) obliquely is arranged between the oblique recess of drag box (1) and cope (2) inclined platform, the bottom end of furnace water-cooling mouth die cavity (5) is provided with the ingate (4) of a connection runner gate (3), and the top end of furnace water-cooling mouth die cavity (5) is provided with a moisture outlet through cope (2) (6);
One end of described hot blast inlet tube (9) is inserted in the down gate (7) by cup (8), and the other end of hot blast inlet tube (9) connects the air outlet (16) of body of heater (15);
The air inlet (12) of described body of heater (15) is connected with blower fan (10) by flexible pipe outlet (19).
2. furnace water-cooling mouth resin sand die cavity hot-air seasoning structure according to claim 1, it is characterized in that: described body of heater (15) is equipped with instrument operation panel (13).
3. furnace water-cooling mouth resin sand die cavity hot-air seasoning structure according to claim 1, it is characterized in that: described body of heater (15) is provided with cooling window (14).
4. furnace water-cooling mouth resin sand die cavity hot-air seasoning structure according to claim 1, it is characterized in that: described body of heater (15) is equipped with thermocouple (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220454604.XU CN202725970U (en) | 2012-09-07 | 2012-09-07 | Water-cooling fire hole resin sand cavity hot-air drying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220454604.XU CN202725970U (en) | 2012-09-07 | 2012-09-07 | Water-cooling fire hole resin sand cavity hot-air drying structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725970U true CN202725970U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220454604.XU Expired - Lifetime CN202725970U (en) | 2012-09-07 | 2012-09-07 | Water-cooling fire hole resin sand cavity hot-air drying structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN202725970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542953A (en) * | 2013-09-30 | 2014-01-29 | 上海交通大学 | Measuring method for sand mold temperature field in sand casting of magnesium-alloy slab |
| CN103949596A (en) * | 2014-04-22 | 2014-07-30 | 重庆长江造型材料（集团）股份有限公司 | Air heater |
| CN114309491A (en) * | 2021-12-29 | 2022-04-12 | 大连船用推进器有限公司 | Cavity structure and method convenient for observing drying state of large propeller blade |
-
2012
- 2012-09-07 CN CN201220454604.XU patent/CN202725970U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542953A (en) * | 2013-09-30 | 2014-01-29 | 上海交通大学 | Measuring method for sand mold temperature field in sand casting of magnesium-alloy slab |
| CN103542953B (en) * | 2013-09-30 | 2016-03-02 | 上海交通大学 | The measuring method in sand mold temperature field in dull and stereotyped magnesium alloy sand mold casting |
| CN103949596A (en) * | 2014-04-22 | 2014-07-30 | 重庆长江造型材料（集团）股份有限公司 | Air heater |
| CN114309491A (en) * | 2021-12-29 | 2022-04-12 | 大连船用推进器有限公司 | Cavity structure and method convenient for observing drying state of large propeller blade |
| CN114309491B (en) * | 2021-12-29 | 2023-11-14 | 大连船用推进器有限公司 | Cavity structure and method convenient for observing baking state of large-sized propeller blade |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |