CN204892869U - Fired mold is calcination device for precision casting - Google Patents
Fired mold is calcination device for precision casting Download PDFInfo
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- CN204892869U CN204892869U CN201520695930.3U CN201520695930U CN204892869U CN 204892869 U CN204892869 U CN 204892869U CN 201520695930 U CN201520695930 U CN 201520695930U CN 204892869 U CN204892869 U CN 204892869U
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- heater
- burner
- heat conductive
- precision
- furnace body
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Abstract
The utility model belongs to the technical field of the investment, a fired mold is calcination device for precision casting is disclosed for solve the inhomogeneous problem of heating that current calcination device exists. The utility model discloses a furnace body, the front and back end of furnace body is equipped with feeding furnace gate and ejection of compact furnace gate respectively, bottom in the furnace body is provided with the dolly that the is used for splendid attire molding shell guide rail at the furnace body internal motion, be connected with the burner tip on the lateral wall of furnace body, the top of furnace body is provided with the flue, evenly be provided with a plurality of left sides burner tip on the left side inner wall of furnace body, evenly be provided with a plurality of right sides burner tip on the right side inner wall of furnace body, the setting of left side burner tip and the slope of right side burner tip is on the inner wall of furnace body, and the slope opposite direction of left side burner tip and right side burner tip, the length that the left side burner tip stretched into in the furnace body reduces along the direction of feeding furnace gate to ejection of compact furnace gate gradually, and the length that the right side burner tip stretched into in the furnace body reduces along the direction of feeding furnace gate to ejection of compact furnace gate gradually.
Description
Technical field
The utility model belongs to fusible pattern manufacturing technology field, is specifically related to a kind of precision-investment casting calciner.
Background technology
Model casting is also known as " lost-wax casting ".Model casting typically refers to makes apperance at fusible material, makes shell at apperance Surface coating some layers of refractory material, then shell is discharged in apperance fusing, thus obtains the casting mold without die joint, gets final product the founding method of back-up sand cast after high-temperature roasting.Because apperance extensively adopts wax material to manufacture, therefore often model casting is called " lost-wax casting ".
Carrying out roasting to casting mold mostly adopts calciner to carry out roasting, in prior art, technical literature about calciner is also more, such as application number be 201120076878.5 utility model patent disclose a kind of high-temperature roasting device, comprise converter, the bottom of converter outer wall arranges the outer wall that resistance wire is positioned at the converter on resistance wire top and arranges heat-insulation layer.
Application number be 201220308172.1 utility model patent disclose a kind of spray roasting device, comprise roaster body, roaster body comprises furnace roof, shaft and furnace bottom, furnace roof is communicated with distributor, distributor is connected with a sprayer unit, be provided with stove in shaft, the side of shaft is provided with air outlet, and the discharging opening of furnace bottom is communicated with Blowing stopper; Sprayer unit offers charging aperture, distributor is provided with air inlet; Stove is made up of fiberglass, acid-proof ceramic tile, acid-resistant porcelain or hydrochloric acid corrosion resistant metal; Furnace bottom is that reverse taper is arranged; Distributor is scroll casing shape structure; Air outlet place is communicated with dust arrester, and dust arrester is communicated with separator.
Application number be 02241783.4 utility model patent disclose a kind of casting model powder calciner, by hot air apparatus, high-temperature roasting device and temperature measuring equipment three part form, hot air apparatus comprises heating furnace and furnace wall hot blast outlet, high-temperature roasting device is horizontal revolving cylinder, cylinder feed end and air inducing expansion chamber connect, feeding chute inserts in cylinder top board charging aperture, and cylinder blank end opens wide, and connects with heating furnace hot blast outlet and discharge port; Drum housing inwall has heat-insulation and heat-preservation and refractory lining layer successively, and cylinder cavity inner wall fixes dress can make material in cylinder rotate the scraper be suspended with cylinder; Horizontal revolving cylinder tilts to delivery end, cylinder two ends inwall has multiple spiral stock guide, scraper is between the multiple spiral stock guide in cylinder two ends, the horizontal material scraping plate of polylith for the distribution of inner wall of rotary drum even circumferential, the shape of material scraping plate, project along perpendicular to cylindrical shell cross-sectional direction, its outline line is the straight line favouring cylinder inboard wall; Or be inverted L-shaped broken line perpendicular to cylinder inboard wall; Material scraping plate subsection setup, adjacent segment offsets one from another.
Application number be 201120181276.6 utility model patent disclose a kind of model casting moulding shell calciner and improve, the roaster linked together and holding furnace composition, the middle refractory metal partition door by opening is separated; Roaster and holding furnace have included, body of heater, furnace lining; Body of heater includes furnace bottom, furnace roof and fire door; Roaster and holding furnace also include burner noz(zle); Fire door is positioned at the both sides of body of heater, and fire door is divided into charging fire door and discharging door, has form, can observe situation in stove on shell turnover stove fire door; Furnace bottom has track flat bogie, the base plate of dolly can be spelled and be beaten together, flat bogie has roasting case; Roasting case is stacked, and roasting case bearing frame is by high temperature resistant hard metal manufacture; Furnace roof is provided with flue, the gas of flue for producing after discharging roasting; Burner noz(zle) is arranged at the another both sides of the non-fire door of body of heater; Flat bogie directly can push body of heater from charging fire door also can pull out body of heater by discharging door; Body of heater every side burner noz(zle) divides three rows; The quantity of each row's nozzle according to the size of roaster and holding furnace between 3-5; Burner noz(zle) is connected by the same natural gas of Pressure control or flow control device, liquefied gas tank or gas-pipe line; Each nozzle has independent gating equipment, can adjust the unlatching quantity of nozzle as required.
But as the kind model casting moulding shell calciner told about above, the position due to burner arranges reasonable not, thus causes heating uneven.
Utility model content
The uneven problem of heating that the utility model exists to solve existing calciner, and a kind of precision-investment casting calciner is provided, there is the feature of homogeneous heating, the roasting quality of model casting moulding shell is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of precision-investment casting calciner, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door.
The inner left wall of described body of heater is provided with high temperature resistant flow guide bar, the right side inwall of described body of heater is provided with high temperature resistant flow guide bar.
On the inner left wall being arranged on body of heater under described high temperature resistant flow guide bar is tilted to and right side inwall.
Described high temperature resistant flow guide bar offers some through holes.
Arrange some heat conductive rods in described flue, adjacent heat conductive rod links together, and heat conductive rod is foremost connected with air exhauster through pipeline, and the heat conductive rod of rearmost end is connected with outside storage bellows through pipeline.
Described heat conductive rod comprises shell and inner casing, and the inside of described inner casing is provided with the runner for wind circulation, and the runner of adjacent heat conductive rod links together through pipeline; Described casing is located at the outside of inner casing and forms the vapor chamber of a vacuum, the inwall of described vapor chamber is provided with liquid-sucking core, is filled with hydraulic fluid in described vapor chamber.
Described hydraulic fluid is water, and described liquid-sucking core is copperly roll silk screen liquid-sucking core.
The pipeline that described heat conductive rod is connected with storage bellows is equipped with air compressor.
Compared with prior art, the utility model has following beneficial effect:
Precision-investment casting calciner of the present utility model, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door.In the process used, by burner is evenly distributed on the inwall of body of heater, improve the uniformity of heating in body of heater, the structural design of burner of the present utility model simultaneously, heat energy is made to form eddy current in body of heater, rotate in body of heater, thus improve the heating uniformity of calciner further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is schematic cross-section of the present utility model;
Fig. 3 is the connection diagram of heat conductive rod of the present utility model;
Fig. 4 is the structural representation of heat conductive rod of the present utility model;
Mark in figure: 1, body of heater, 2, charging fire door, 3, discharging door, 4, burner, 5, flue, 6, high temperature resistant flow guide bar, 7, heat conductive rod, 8, inner casing, 9, shell, 10, runner, 11, vapor chamber, 12, liquid-sucking core.
Detailed description of the invention
Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only the utility model part embodiment, is not whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection domain of the present utility model.
By reference to the accompanying drawings, precision-investment casting calciner of the present utility model, comprise body of heater 1, the front and back end of described body of heater 1 is respectively equipped with charging fire door 2 and discharging door 3, bottom in described body of heater 1 is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, be convenient to the turnover at moulding shell by dolly and track, improve practicality of the present utility model; The sidewall of described body of heater 1 is connected with burner 4, the top of described body of heater 1 is provided with flue 5, the inner left wall of described body of heater 1 is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, on the inwall being arranged on body of heater 1 that described left side burner and right side burner tilt, and left side burner is contrary with the incline direction of right side burner; Described left side burner stretches into the length in body of heater 1 and reduces gradually along the direction of charging fire door 2 to discharging door 3, and described right side burner stretches into the length in body of heater 1 and reduces gradually along the direction of charging fire door 2 to discharging door 3.The utility model is in the process used, by burner is evenly distributed on the inwall of body of heater, improve the uniformity of heating in body of heater, the structural design of burner of the present utility model simultaneously, heat energy is made to form eddy current in body of heater, rotate in body of heater, thus improve the heating uniformity of calciner further.
In order to improve the uniformity of thermal source distribution further, the inner left wall of described body of heater 1 being provided with high temperature resistant flow guide bar 6, the right side inwall of described body of heater 1 is provided with high temperature resistant flow guide bar 6.Be convenient to form eddy motion by high temperature resistant flow guide bar 6, make heat energy in body of heater, rotate formation shuttling movement, improve the uniformity of heating
Owing to can upwards rise at heat energy, therefore, in order to ensure the heating of bottom moulding shell, on the inner left wall being arranged on body of heater under described high temperature resistant flow guide bar 6 is tilted to and right side inwall.
Described high temperature resistant flow guide bar 6 offers some through holes, is convenient to the flowing of heat energy, the moulding shell on dolly is heated.
As a kind of preferred mode of the utility model, some heat conductive rods 7 are set in flue 5, adjacent heat conductive rod 7 links together, heat conductive rod 7 is foremost connected with air exhauster through pipeline, the heat conductive rod 7 of rearmost end is connected with outside storage bellows through pipeline, thus is carried out reclaiming and storing by the heat energy of flue gas, is convenient to the insulation of follow-up body of heater, improve the utilization rate of the utility model heat energy, economize on resources.
Heat conductive rod 7 of the present utility model comprises shell 9 and inner casing 8, and the inside of described inner casing 8 is provided with the runner 10 for wind circulation, and the runner of adjacent heat conductive rod 7 links together through pipeline 10; Described shell 9 is set in the outside of inner casing 8 and forms the vapor chamber 11 of a vacuum, the inwall of described vapor chamber 11 is provided with liquid-sucking core 12, is filled with hydraulic fluid in described vapor chamber 11.
As a kind of preferred mode of the utility model, described hydraulic fluid is water, and described liquid-sucking core 12 rolls silk screen liquid-sucking core for copper.
For the ease of the storage of hot blast, the pipeline that described heat conductive rod 7 is connected with storage bellows is equipped with air compressor.
It is high that heat conductive rod 7 of the present utility model has heat transference efficiency, the uniform feature of heat trnasfer, improves the efficiency that the remaining temperature of flue gas in flue reclaims, improve heat utilization rate further.
Embodiment one
The precision-investment casting calciner of the present embodiment, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door.
Embodiment two
The precision-investment casting calciner of the present embodiment, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, the inner left wall of described body of heater is provided with high temperature resistant flow guide bar, the right side inwall of described body of heater is provided with high temperature resistant flow guide bar.
Embodiment three
The precision-investment casting calciner of the present embodiment, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, the inner left wall of described body of heater is provided with high temperature resistant flow guide bar, the right side inwall of described body of heater is provided with high temperature resistant flow guide bar, on the inner left wall being arranged on body of heater under described high temperature resistant flow guide bar is tilted to and right side inwall.
Embodiment four
The precision-investment casting calciner of the present embodiment, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, the inner left wall of described body of heater is provided with high temperature resistant flow guide bar, the right side inwall of described body of heater is provided with high temperature resistant flow guide bar, on the inner left wall being arranged on body of heater under described high temperature resistant flow guide bar is tilted to and right side inwall, described high temperature resistant flow guide bar offers some through holes.
Embodiment five
On the basis of above-mentioned any embodiment, arrange some heat conductive rods in described flue, adjacent heat conductive rod links together, and heat conductive rod is foremost connected with air exhauster through pipeline, and the heat conductive rod of rearmost end is connected with outside storage bellows through pipeline.
Embodiment six
On the basis of embodiment five, described heat conductive rod comprises shell and inner casing, and the inside of described inner casing is provided with the runner for wind circulation, and the runner of adjacent heat conductive rod links together through pipeline; Described casing is located at the outside of inner casing and forms the vapor chamber of a vacuum, the inwall of described vapor chamber is provided with liquid-sucking core, is filled with hydraulic fluid in described vapor chamber.
Embodiment seven
On the basis of embodiment six, described hydraulic fluid is water, and described liquid-sucking core is copperly roll silk screen liquid-sucking core.
Embodiment eight
On the basis of embodiment seven, the pipeline that described heat conductive rod is connected with storage bellows is equipped with air compressor.
Claims (8)
1. a precision-investment casting calciner, comprise body of heater, the front and back end of described body of heater is respectively equipped with charging fire door and discharging door, bottom in described body of heater is provided with the guide rail that the dolly for splendid attire moulding shell moves in body of heater, the sidewall of described body of heater is connected with burner, the top of described body of heater is provided with flue, it is characterized in that, the inner left wall of described body of heater is evenly provided with multiple left sides burner, the right side inwall of described body of heater is evenly provided with multiple right sides burner, what described left side burner and right side burner tilted is arranged on the inwall of body of heater, and left side burner is contrary with the incline direction of right side burner, the length that described left side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door, and the length that described right side burner stretches in body of heater reduces gradually along charging fire door to the direction of discharging door.
2. precision-investment casting calciner according to claim 1, is characterized in that, the inner left wall of described body of heater is provided with high temperature resistant flow guide bar, and the right side inwall of described body of heater is provided with high temperature resistant flow guide bar.
3. precision-investment casting calciner according to claim 1, is characterized in that, on the inner left wall being arranged on body of heater under described high temperature resistant flow guide bar is tilted to and right side inwall.
4. precision-investment casting calciner according to claim 1, is characterized in that, described high temperature resistant flow guide bar offers some through holes.
5. according to the arbitrary described precision-investment casting calciner of claim 1-4, it is characterized in that, in described flue, some heat conductive rods are set, adjacent heat conductive rod links together, heat conductive rod is foremost connected with air exhauster through pipeline, and the heat conductive rod of rearmost end is connected with outside storage bellows through pipeline.
6. precision-investment casting calciner according to claim 5, is characterized in that, described heat conductive rod comprises shell and inner casing, and the inside of described inner casing is provided with the runner for wind circulation, and the runner of adjacent heat conductive rod links together through pipeline; Described casing is located at the outside of inner casing and forms the vapor chamber of a vacuum, the inwall of described vapor chamber is provided with liquid-sucking core, is filled with hydraulic fluid in described vapor chamber.
7. precision-investment casting calciner according to claim 6, is characterized in that, described hydraulic fluid is water, and described liquid-sucking core is copperly roll silk screen liquid-sucking core.
8. precision-investment casting calciner according to claim 7, is characterized in that, the pipeline that described heat conductive rod is connected with storage bellows is equipped with air compressor.
Priority Applications (1)
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CN201520695930.3U CN204892869U (en) | 2015-09-10 | 2015-09-10 | Fired mold is calcination device for precision casting |
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CN201520695930.3U CN204892869U (en) | 2015-09-10 | 2015-09-10 | Fired mold is calcination device for precision casting |
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CN201520695930.3U Expired - Fee Related CN204892869U (en) | 2015-09-10 | 2015-09-10 | Fired mold is calcination device for precision casting |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108127087A (en) * | 2017-12-20 | 2018-06-08 | 广州番禺职业技术学院 | A kind of method of roasting for promoting the removing of casting mold residual carbon |
CN112276007A (en) * | 2020-10-30 | 2021-01-29 | 嵊州市金霖机械制造有限公司 | Roasting device for plough by investment casting |
CN113000789A (en) * | 2021-02-23 | 2021-06-22 | 贵州安吉航空精密铸造有限责任公司 | Volute casting forming method |
-
2015
- 2015-09-10 CN CN201520695930.3U patent/CN204892869U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108127087A (en) * | 2017-12-20 | 2018-06-08 | 广州番禺职业技术学院 | A kind of method of roasting for promoting the removing of casting mold residual carbon |
CN112276007A (en) * | 2020-10-30 | 2021-01-29 | 嵊州市金霖机械制造有限公司 | Roasting device for plough by investment casting |
CN113000789A (en) * | 2021-02-23 | 2021-06-22 | 贵州安吉航空精密铸造有限责任公司 | Volute casting forming method |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180910 |
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CF01 | Termination of patent right due to non-payment of annual fee |