CN214892380U - Drying device for preparing silicon nitride ceramics by air pressure sintering - Google Patents
Drying device for preparing silicon nitride ceramics by air pressure sintering Download PDFInfo
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- CN214892380U CN214892380U CN202120392437.XU CN202120392437U CN214892380U CN 214892380 U CN214892380 U CN 214892380U CN 202120392437 U CN202120392437 U CN 202120392437U CN 214892380 U CN214892380 U CN 214892380U
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Abstract
The utility model belongs to the technical field of ceramic manufacture equipment, especially, relate to a drying device is used in preparation of atmospheric pressure sintering silicon nitride pottery, including drying cabinet and air current circulating device, the drying cabinet internal rotation is connected with first rotation axis, first rotation axis middle part is equipped with the multilayer rack, first rotation axis bottom is stretched out the drying cabinet and is connected with first bevel gear, both sides all are equipped with U type support frame in the drying cabinet, U type support frame is close to the storage rack side and is equipped with a plurality of electric heating element, U type support frame middle part is kept away from the storage rack side and is connected with the back shaft, the back shaft is kept away from U type support frame end and is stretched out the drying cabinet to be connected with sixth bevel gear. The utility model discloses simple structure, convenient operation can multilayer ceramic rotate the drying, heats with electric heating element to air flow in the fan drying cabinet with higher speed makes the pottery be heated evenly, and drying rate is fast.
Description
Technical Field
The utility model belongs to the technical field of ceramic manufacture equipment, especially, drying device is used in preparation of atmospheric pressure sintering silicon nitride ceramic.
Background
Ceramics are a generic term for pottery and porcelain. The traditional ceramics are also called common ceramics, products which are sintered by taking clay and other natural silicates as main raw materials, and the modern ceramics are also called novel ceramics, fine ceramics or special ceramics. Ceramics have many advantages of excellent insulation, corrosion resistance, high temperature resistance, high hardness, low density, etc., and have been widely used in various fields. Various formed green bodies are still in a plastic state, the strength is very low, and the processing and transportation of subsequent processes are not facilitated, so that the ceramic product needs to dehydrate materials by means of heat energy, however, the drying efficiency is low and the drying is uneven in the existing ceramic blank drying process, and the final product quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drying device is used in preparation of atmospheric pressure sintering silicon nitride ceramic, simple structure, convenient operation can multilayer ceramic carry out rotatory drying, heats with electric heating element to air flow in the fan acceleration drying cabinet makes the pottery be heated evenly, and drying rate is fast.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a drying device for preparing silicon nitride ceramics by air pressure sintering comprises a drying box and an air flow circulating device, wherein a first rotating shaft is rotatably connected in the drying box, a multilayer placing frame is arranged in the middle of the first rotating shaft, the bottom end of the first rotating shaft extends out of the drying box and is connected with a first bevel gear, a motor is connected to the bottom of the first bevel gear in a transmission manner, second bevel gears meshed with the first bevel gears are arranged on two sides of the first bevel gear respectively, a second rotating shaft is arranged at the end, away from the first bevel gear, of each second rotating shaft, a third bevel gear is arranged at the end, away from the second bevel gear, of each second rotating shaft, a fourth bevel gear meshed with the third bevel gear is arranged at the upper end of each third bevel gear, a third rotating shaft is arranged at the top end of each fourth rotating shaft, a fifth bevel gear meshed with the fourth bevel gear is arranged at the top end of each third rotating shaft, U-shaped supporting frames are arranged on two sides in the drying box, the U type support frame is close to the side of placing the frame and is equipped with a plurality of electric heating element, and keeps away from in the middle part of the U type support frame and place the frame side and be connected with the back shaft, the back shaft is kept away from U type support frame end and is stretched out the drying cabinet to be connected with sixth bevel gear, and the back shaft rotates with the drying cabinet and be connected, sixth bevel gear meshes with fifth bevel gear mutually.
Preferably, the rack is provided with a plurality of vent holes, so that hot air can dry the ceramic through the vent holes conveniently.
Preferably, airflow circulation device includes the fan, the air inlet end of fan is connected with the top of drying cabinet through the pipeline, and the end of airing exhaust is connected with the exhaust pipe, the exhaust pipe is kept away from the fan end and is stretched into to the bottom in the drying cabinet to be connected with a plurality of air outlets, the fan passes through the pipeline and hot-blast in the drying cabinet of drying cabinet top extraction, gets into the drying cabinet bottom through the exhaust end of fan, and discharges through the air outlet, makes the gaseous circulation flow in the drying cabinet for ceramic drying rate.
Preferably, the lateral part of the front end of the drying box is hinged with a box door, so that ceramics can be conveniently taken and put.
The utility model discloses still including enabling this drying device for the preparation of atmospheric pressure sintering silicon nitride ceramic other subassemblies that normally use, be the conventional technological means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.
When the utility model is used, the door is opened, the ceramic is placed on the placing frame, the door is closed, the electric heating element, the fan and the motor are opened, the electric heating element heats the air in the drying box, the motor drives the first rotating shaft and the first bevel gear to rotate, the first rotating shaft drives the placing frame to rotate, the placing frame drives the ceramic to rotate, meanwhile, the first bevel gear drives the sixth bevel gear to rotate through the second bevel gear, the second rotating shaft, the third bevel gear, the fourth bevel gear, the third rotating shaft and the fifth bevel gear, the sixth bevel gear drives the U-shaped supporting frame to rotate through the supporting shaft, the U-shaped supporting frame drives the electric heating element to rotate, the placing frame and the U-shaped supporting frame are in cross rotation, the ceramic is heated more uniformly, the fan extracts the hot air in the drying box from the top end of the drying box and blows out the hot air from the air outlet at the bottom of the drying box to accelerate the air flow in the drying box, the drying speed of the ceramic is faster, and the working efficiency is improved.
The beneficial effects of the utility model are that, simple structure, convenient operation can multilayer ceramic carry out rotatory drying, heats with electric heating element to air flow in the fan drying cabinet with higher speed makes the pottery be heated evenly, and drying rate is fast.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Examples
As shown in fig. 1, a drying device for preparing silicon nitride ceramics by air pressure sintering comprises a drying box 1 and an air flow circulating device, wherein a first rotating shaft 8 is rotatably connected in the drying box 1, a multilayer rack 7 is arranged in the middle of the first rotating shaft 8, the bottom end of the first rotating shaft 8 extends out of the drying box 1 and is connected with a first bevel gear 16, the bottom of the first bevel gear 16 is in transmission connection with a motor 15, two sides of the first bevel gear 16 are respectively provided with a second bevel gear 14 engaged with the first bevel gear 16, the end of the second bevel gear 14 far away from the first bevel gear 16 is provided with a second rotating shaft 12, the end of the second rotating shaft 12 far away from the second bevel gear 14 is provided with a third bevel gear 11, the upper end of the third bevel gear 11 is provided with a fourth bevel gear 10 engaged with the third bevel gear 11, the top end of the fourth bevel gear 10 is provided with a third rotating shaft 9, the top end of the third rotating shaft 9 is provided with a fifth bevel gear 3 engaged with the fourth bevel gear 10, both sides all are equipped with U type support frame 2 in the drying cabinet 1, U type support frame 2 is close to rack 7 side and is equipped with a plurality of electric heating element 5, and 2 middle parts of U type support frame keep away from rack 7 side and be connected with the back shaft, the back shaft is kept away from U type support frame 2 and is held and stretch out drying cabinet 1 to be connected with sixth bevel gear 4, and the back shaft rotates with drying cabinet 1 to be connected, sixth bevel gear 4 meshes with fifth bevel gear 3 mutually.
Be equipped with a plurality of air vents on the rack 7, make things convenient for hot-blast through the air vent to carry out the drying to the pottery.
The air current circulating device comprises a fan 6, the air inlet end of the fan 6 is connected with the top end of the drying box 1 through a pipeline, the air exhaust end is connected with an exhaust pipe, the end, far away from the fan 6, of the exhaust pipe extends into the bottom of the drying box 1 and is connected with a plurality of air outlets 13, the fan extracts hot air from the top end of the drying box through the pipeline, the exhaust end of the fan enters the bottom of the drying box and is discharged through the air outlets, gas in the drying box flows in a circulating mode, and the drying speed of ceramic is accelerated.
The side part of the front end of the drying box 1 is hinged with a box door (not shown in the figure), so that ceramics can be conveniently taken and put.
When the utility model is used, the oven door is opened, the ceramic is placed on the placing frame 7, the oven door is closed, the electric heating element 5, the fan 6 and the motor 15 are opened, the electric heating element 5 heats the air in the drying oven 1, the motor 15 drives the first rotating shaft 8 and the first bevel gear 16 to rotate, the first rotating shaft 8 drives the placing frame 7 to rotate, the placing frame 7 drives the ceramic to rotate, meanwhile, the first bevel gear 16 drives the U-shaped support frame 2 to rotate through the second bevel gear 14, the second rotating shaft 12, the third bevel gear 11, the fourth bevel gear 10, the third rotating shaft 9 and the fifth bevel gear 3, the sixth bevel gear 4 drives the U-shaped support frame 2 to rotate through the support shaft, the U-shaped support frame 2 drives the electric heating element 5 to rotate, the placing frame 7 and the U-shaped support frame 2 are rotated in a crossed manner, the ceramic is heated more uniformly, the hot air in the drying oven 1 is pumped out from the top end of the drying oven 1 by the fan 6, and then the air is blown out 13 from an air outlet at the bottom of the drying box 1, so that the air flow in the drying box 1 is accelerated, the drying speed of the ceramic is higher, and the working efficiency is improved.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. The utility model provides a drying device is used in preparation of atmospheric pressure sintering silicon nitride ceramic, includes drying cabinet (1) and air current circulating device, its characterized in that: a first rotating shaft (8) is rotationally connected in the drying box (1), a multilayer placing rack (7) is arranged in the middle of the first rotating shaft (8), the bottom end of the first rotating shaft (8) extends out of the drying box (1) and is connected with a first bevel gear (16), a motor (15) is connected to the bottom of the first bevel gear (16) in a transmission manner, second bevel gears (14) meshed with the first bevel gear (16) are arranged on two sides of the first bevel gear (16), a second rotating shaft (12) is arranged at the ends, far away from the first bevel gear (16), of the second bevel gears (14) and a third bevel gear (11) is arranged at the ends, far away from the second bevel gears (14), of the second rotating shaft (12), a fourth bevel gear (10) meshed with the third bevel gear (11) is arranged at the upper end of the third bevel gear (11), and a third rotating shaft (9) is arranged at the top end of the fourth bevel gear (10), third rotation axis (9) top is equipped with fifth bevel gear (3) with fourth bevel gear (10) engaged with, both sides all are equipped with U type support frame (2) in drying cabinet (1), U type support frame (2) are close to rack (7) side and are equipped with a plurality of electric heating element (5), and keep away from rack (7) side in U type support frame (2) middle part and are connected with the back shaft, the back shaft is kept away from U type support frame (2) end and is stretched out drying cabinet (1) to be connected with sixth bevel gear (4), and the back shaft rotates with drying cabinet (1) and be connected, sixth bevel gear (4) mesh with fifth bevel gear (3).
2. The drying apparatus for gas pressure sintering silicon nitride ceramic production according to claim 1, characterized in that: the rack (7) is provided with a plurality of vent holes.
3. The drying apparatus for gas pressure sintering silicon nitride ceramic production according to claim 1, characterized in that: the air circulation device comprises a fan (6), the air inlet end of the fan (6) is connected with the top end of the drying box (1) through a pipeline, the air exhaust end is connected with an exhaust pipe, the end, far away from the fan (6), of the exhaust pipe extends into the inner bottom of the drying box (1) and is connected with a plurality of air outlets (13).
4. The drying apparatus for gas pressure sintering silicon nitride ceramic production according to claim 1, characterized in that: the side part of the front end of the drying box (1) is hinged with a box door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392437.XU CN214892380U (en) | 2021-02-22 | 2021-02-22 | Drying device for preparing silicon nitride ceramics by air pressure sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392437.XU CN214892380U (en) | 2021-02-22 | 2021-02-22 | Drying device for preparing silicon nitride ceramics by air pressure sintering |
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| CN214892380U true CN214892380U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120392437.XU Active CN214892380U (en) | 2021-02-22 | 2021-02-22 | Drying device for preparing silicon nitride ceramics by air pressure sintering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234632A (en) * | 2021-12-28 | 2022-03-25 | 郑州正仟新材料有限公司 | Mullite brick sintering device for hot air outlet |
| CN116086197A (en) * | 2023-01-29 | 2023-05-09 | 衡阳凯新特种材料科技有限公司 | Silicon nitride ceramic sintering system |
-
2021
- 2021-02-22 CN CN202120392437.XU patent/CN214892380U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234632A (en) * | 2021-12-28 | 2022-03-25 | 郑州正仟新材料有限公司 | Mullite brick sintering device for hot air outlet |
| CN116086197A (en) * | 2023-01-29 | 2023-05-09 | 衡阳凯新特种材料科技有限公司 | Silicon nitride ceramic sintering system |
| CN116086197B (en) * | 2023-01-29 | 2024-01-12 | 衡阳凯新特种材料科技有限公司 | Silicon nitride ceramic sintering system |
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